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| 128 | ········Built·using | 128 | ········Built·using |
| 129 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 129 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 130 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 130 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 131 | ······</p> | 131 | ······</p> |
| 132 | <p>Copyright·©·1996-202 | 132 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 133 | ····</footer> | 133 | ····</footer> |
| 134 | ··</div> | 134 | ··</div> |
| 135 | </main> | 135 | </main> |
| 136 | </div> | 136 | </div> |
| 137 | <script> | 137 | <script> |
| 138 | ··function·mermaidLoaded()·{ | 138 | ··function·mermaidLoaded()·{ |
| 139 | ····mermaid.initialize({ | 139 | ····mermaid.initialize({ |
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| 468 | ········Built·using | 468 | ········Built·using |
| 469 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 469 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 470 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 470 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 471 | ······</p> | 471 | ······</p> |
| 472 | <p>Copyright·©·1996-202 | 472 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 473 | ····</footer> | 473 | ····</footer> |
| 474 | ··</div> | 474 | ··</div> |
| 475 | </main> | 475 | </main> |
| 476 | </div> | 476 | </div> |
| 477 | <script> | 477 | <script> |
| 478 | ··function·mermaidLoaded()·{ | 478 | ··function·mermaidLoaded()·{ |
| 479 | ····mermaid.initialize({ | 479 | ····mermaid.initialize({ |
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| 158 | ······<p·class="built-using"> | 158 | ······<p·class="built-using"> |
| 159 | ········Built·using | 159 | ········Built·using |
| 160 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 160 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 161 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 161 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 162 | ······</p> | 162 | ······</p> |
| 163 | <p>Copyright·©·1996-202 | 163 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 164 | ····</footer> | 164 | ····</footer> |
| 165 | ··</div> | 165 | ··</div> |
| 166 | </main> | 166 | </main> |
| 167 | </div> | 167 | </div> |
| 168 | <script> | 168 | <script> |
| 169 | ··function·mermaidLoaded()·{ | 169 | ··function·mermaidLoaded()·{ |
| 170 | ····mermaid.initialize({ | 170 | ····mermaid.initialize({ |
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| 151 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 151 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 152 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 152 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 153 | ······</p> | 153 | ······</p> |
| 154 | <p>Copyright·©·1996-202 | 154 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 155 | ····</footer> | 155 | ····</footer> |
| 156 | ··</div> | 156 | ··</div> |
| 157 | </main> | 157 | </main> |
| 158 | </div> | 158 | </div> |
| 159 | <script> | 159 | <script> |
| 160 | ··function·mermaidLoaded()·{ | 160 | ··function·mermaidLoaded()·{ |
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| 390 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 390 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 391 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 391 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 392 | ······</p> | 392 | ······</p> |
| 393 | <p>Copyright·©·1996-202 | 393 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 394 | ····</footer> | 394 | ····</footer> |
| 395 | ··</div> | 395 | ··</div> |
| 396 | </main> | 396 | </main> |
| 397 | </div> | 397 | </div> |
| 398 | <script> | 398 | <script> |
| 399 | ··function·mermaidLoaded()·{ | 399 | ··function·mermaidLoaded()·{ |
| 400 | ····mermaid.initialize({ | 400 | ····mermaid.initialize({ |
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| 214 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 214 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 215 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 215 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 216 | ······</p> | 216 | ······</p> |
| 217 | <p>Copyright·©·1996-202 | 217 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 218 | ····</footer> | 218 | ····</footer> |
| 219 | ··</div> | 219 | ··</div> |
| 220 | </main> | 220 | </main> |
| 221 | </div> | 221 | </div> |
| 222 | <script> | 222 | <script> |
| 223 | ··function·mermaidLoaded()·{ | 223 | ··function·mermaidLoaded()·{ |
| 224 | ····mermaid.initialize({ | 224 | ····mermaid.initialize({ |
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| 129 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 129 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 130 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 130 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 131 | ······</p> | 131 | ······</p> |
| 132 | <p>Copyright·©·1996-202 | 132 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 133 | ····</footer> | 133 | ····</footer> |
| 134 | ··</div> | 134 | ··</div> |
| 135 | </main> | 135 | </main> |
| 136 | </div> | 136 | </div> |
| 137 | <script> | 137 | <script> |
| 138 | ··function·mermaidLoaded()·{ | 138 | ··function·mermaidLoaded()·{ |
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| 133 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 133 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 134 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 134 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 135 | ······</p> | 135 | ······</p> |
| 136 | <p>Copyright·©·1996-202 | 136 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 137 | ····</footer> | 137 | ····</footer> |
| 138 | ··</div> | 138 | ··</div> |
| 139 | </main> | 139 | </main> |
| 140 | </div> | 140 | </div> |
| 141 | <script> | 141 | <script> |
| 142 | ··function·mermaidLoaded()·{ | 142 | ··function·mermaidLoaded()·{ |
| 143 | ····mermaid.initialize({ | 143 | ····mermaid.initialize({ |
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| 135 | <a·href="applications.html#app_dir">directory·structure</a>.</p><p><a·href=""·id="callback_module"></a></p><h2·id="application-callback-module"·class="section-heading"> | 135 | <a·href="applications.html#app_dir">directory·structure</a>.</p><p><a·href=""·id="callback_module"></a></p><h2·id="application-callback-module"·class="section-heading"> |
| 136 | ··<a·href="#application-callback-module"·class="hover-link"> | 136 | ··<a·href="#application-callback-module"·class="hover-link"> |
| 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 138 | ··</a> | 138 | ··</a> |
| 139 | ··<span·class="text">Application·Callback·Module</span> | 139 | ··<span·class="text">Application·Callback·Module</span> |
| 140 | </h2> | 140 | </h2> |
| 141 | <p>How·to·start·and·stop·the·code·for·the·application,·including·its·supervision | 141 | <p>How·to·start·and·stop·the·code·for·the·application,·including·its·supervision |
| 142 | tree,·is·described·by·two·callback·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start</span><span·class="p"·data-group-id="2065124632-1">(</span><span·class="n">StartType</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StartArgs</span><span·class="p"·data-group-id="2065124632-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="2065124632-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="2065124632-2">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2065124632-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="2065124632-3">}</span><span·class="w"> | ||
| 143 | 142 | tree,·is·described·by·two·callback·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start</span><span·class="p"·data-group-id="0071547269-1">(</span><span·class="n">StartType</span><span·class="p">,</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·740,·SHA:·7660dc4efbc2dbbc253de1661070fb445c7ca6f0dafd771b2bc1e57ede2c6497·...·] | |
| 143 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="0071547269-4">(</span><span·class="n">State</span><span·class="p"·data-group-id="0071547269-4">)</span></code></pre><ul><li><code·class="inline">start/2</code>·is·called·when·starting·the·application·and·is·to·create·the | ||
| 144 | supervision·tree·by·starting·the·top·supervisor.·It·is·expected·to·return·the | 144 | supervision·tree·by·starting·the·top·supervisor.·It·is·expected·to·return·the |
| 145 | pid·of·the·top·supervisor·and·an·optional·term,·<code·class="inline">State</code>,·which·defaults·to | 145 | pid·of·the·top·supervisor·and·an·optional·term,·<code·class="inline">State</code>,·which·defaults·to |
| 146 | <code·class="inline">[]</code>.·This·term·is·passed·as·is·to·<code·class="inline">stop/1</code>.</li><li><code·class="inline">StartType</code>·is·usually·the·atom·<code·class="inline">normal</code>.·It·has·other·values·only·in·the·case | 146 | <code·class="inline">[]</code>.·This·term·is·passed·as·is·to·<code·class="inline">stop/1</code>.</li><li><code·class="inline">StartType</code>·is·usually·the·atom·<code·class="inline">normal</code>.·It·has·other·values·only·in·the·case |
| 147 | of·a·takeover·or·failover;·see | 147 | of·a·takeover·or·failover;·see |
| 148 | <a·href="distributed_applications.html">Distributed·Applications</a>.</li><li><code·class="inline">StartArgs</code>·is·defined·by·the·key·<code·class="inline">mod</code>·in·the | 148 | <a·href="distributed_applications.html">Distributed·Applications</a>.</li><li><code·class="inline">StartArgs</code>·is·defined·by·the·key·<code·class="inline">mod</code>·in·the |
| 149 | <a·href="applications.html#appl_res_file">application·resource·file</a>.</li><li><code·class="inline">stop/1</code>·is·called·<em>after</em>·the·application·has·been·stopped·and·is·to·do·any | 149 | <a·href="applications.html#appl_res_file">application·resource·file</a>.</li><li><code·class="inline">stop/1</code>·is·called·<em>after</em>·the·application·has·been·stopped·and·is·to·do·any |
| 150 | necessary·cleaning·up.·The·actual·stopping·of·the·application,·that·is, | 150 | necessary·cleaning·up.·The·actual·stopping·of·the·application,·that·is, |
| 151 | shutting·down·the·supervision·tree,·is·handled·automatically·as·described·in | 151 | shutting·down·the·supervision·tree,·is·handled·automatically·as·described·in |
| 152 | <a·href="applications.html#stopping">Starting·and·Stopping·Applications</a>.</li></ul><p><a·href=""·id="ch_app"></a></p><p>Example·of·an·application·callback·module·for·packaging·the·supervision·tree | 152 | <a·href="applications.html#stopping">Starting·and·Stopping·Applications</a>.</li></ul><p><a·href=""·id="ch_app"></a></p><p>Example·of·an·application·callback·module·for·packaging·the·supervision·tree |
| 153 | from·<a·href="sup_princ.html#ex">Supervisor·Behaviour</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="8 | 153 | from·<a·href="sup_princ.html#ex">Supervisor·Behaviour</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="9814217194-1">(</span><span·class="ss">ch_app</span><span·class="p"·data-group-id="9814217194-1">)</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="8 | 154 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="9814217194-2">(</span><span·class="ss">application</span><span·class="p"·data-group-id="9814217194-2">)</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="w"> | 155 | </span><span·class="w"> |
| 156 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8 | 156 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="9814217194-3">(</span><span·class="p"·data-group-id="9814217194-4">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·115,·SHA:·500f6759bf4a4aebab704826f683708bc298eb4a357181f835b84b27724d5826·...·]4-3">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="nf">start</span><span·class="p"·data-group-id="8 | 157 | </span><span·class="nf">start</span><span·class="p"·data-group-id="9814217194-5">(</span><span·class="p">_</span><span·class="n">Type</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Args</span><span·class="p"·data-group-id="9814217194-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ····</span><span·class="nc">ch_sup</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="8 | 158 | ····</span><span·class="nc">ch_sup</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="9814217194-6">(</span><span·class="p"·data-group-id="9814217194-6">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="8 | 159 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="9814217194-7">(</span><span·class="p">_</span><span·class="n">State</span><span·class="p"·data-group-id="9814217194-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 160 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>A·library·application·that·cannot·be·started·or·stopped·does·not·need·any | 160 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>A·library·application·that·cannot·be·started·or·stopped·does·not·need·any |
| 161 | application·callback·module.</p><p><a·href=""·id="appl_res_file"></a></p><h2·id="application-resource-file"·class="section-heading"> | 161 | application·callback·module.</p><p><a·href=""·id="appl_res_file"></a></p><h2·id="application-resource-file"·class="section-heading"> |
| 162 | ··<a·href="#application-resource-file"·class="hover-link"> | 162 | ··<a·href="#application-resource-file"·class="hover-link"> |
| 163 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 163 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 164 | ··</a> | 164 | ··</a> |
| 165 | ··<span·class="text">Application·Resource·File</span> | 165 | ··<span·class="text">Application·Resource·File</span> |
| 166 | </h2> | 166 | </h2> |
| Offset 173, 22 lines modified | Offset 173, 22 lines modified | ||
| 173 | keys.</li></ul><p>The·contents·of·a·minimal·<code·class="inline">.app</code>·file·for·a·library·application·<code·class="inline">libapp</code>·looks | 173 | keys.</li></ul><p>The·contents·of·a·minimal·<code·class="inline">.app</code>·file·for·a·library·application·<code·class="inline">libapp</code>·looks |
| 174 | as·follows:</p><pre><code·class="text">{application,·libapp,·[]}.</code></pre><p>The·contents·of·a·minimal·<code·class="inline">.app</code>·file·<code·class="inline">ch_app.app</code>·for·a·supervision·tree | 174 | as·follows:</p><pre><code·class="text">{application,·libapp,·[]}.</code></pre><p>The·contents·of·a·minimal·<code·class="inline">.app</code>·file·<code·class="inline">ch_app.app</code>·for·a·supervision·tree |
| 175 | application·like·<code·class="inline">ch_app</code>·looks·as·follows:</p><pre><code·class="text">{application,·ch_app, | 175 | application·like·<code·class="inline">ch_app</code>·looks·as·follows:</p><pre><code·class="text">{application,·ch_app, |
| 176 | ·[{mod,·{ch_app,[]}}]}.</code></pre><p>The·key·<code·class="inline">mod</code>·defines·the·callback·module·and·start·argument·of·the·application, | 176 | ·[{mod,·{ch_app,[]}}]}.</code></pre><p>The·key·<code·class="inline">mod</code>·defines·the·callback·module·and·start·argument·of·the·application, |
| 177 | in·this·case·<code·class="inline">ch_app</code>·and·<code·class="inline">[]</code>,·respectively.·This·means·that·the·following·is | 177 | in·this·case·<code·class="inline">ch_app</code>·and·<code·class="inline">[]</code>,·respectively.·This·means·that·the·following·is |
| 178 | called·when·the·application·is·to·be·started:</p><pre><code·class="text">ch_app:start(normal,·[])</code></pre><p>The·following·is·called·when·the·application·is·stopped:</p><pre><code·class="text">ch_app:stop([])</code></pre><p>When·using·<a·href="../../lib/sasl-4.2.2/doc/html/systools.html"><code·class="inline">systools</code></a>,·the·Erlang/OTP·tools·for·packaging·code·(see·Section | 178 | called·when·the·application·is·to·be·started:</p><pre><code·class="text">ch_app:start(normal,·[])</code></pre><p>The·following·is·called·when·the·application·is·stopped:</p><pre><code·class="text">ch_app:stop([])</code></pre><p>When·using·<a·href="../../lib/sasl-4.2.2/doc/html/systools.html"><code·class="inline">systools</code></a>,·the·Erlang/OTP·tools·for·packaging·code·(see·Section |
| 179 | <a·href="release_structure.html">Releases</a>),·the·keys·<code·class="inline">description</code>,·<code·class="inline">vsn</code>,·<code·class="inline">modules</code>, | 179 | <a·href="release_structure.html">Releases</a>),·the·keys·<code·class="inline">description</code>,·<code·class="inline">vsn</code>,·<code·class="inline">modules</code>, |
| 180 | <code·class="inline">registered</code>,·and·<code·class="inline">applications</code>·are·also·to·be·specified:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1 | 180 | <code·class="inline">registered</code>,·and·<code·class="inline">applications</code>·are·also·to·be·specified:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1296102874-1">{</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w"> |
| 181 | ·</span><span·class="p"·data-group-id="1 | 181 | ·</span><span·class="p"·data-group-id="1296102874-2">[</span><span·class="p"·data-group-id="1296102874-3">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Channel·allocator"</span><span·class="p"·data-group-id="1296102874-3">}</span><span·class="p">,</span><span·class="w"> |
| 182 | ··</span><span·class="p"·data-group-id="1 | 182 | ··</span><span·class="p"·data-group-id="1296102874-4">{</span><span·class="ss">vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"1"</span><span·class="p"·data-group-id="1296102874-4">}</span><span·class="p">,</span><span·class="w"> |
| 183 | ··</span><span·class="p"·data-group-id="1 | 183 | ··</span><span·class="p"·data-group-id="1296102874-5">{</span><span·class="ss">modules</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1296102874-6">[</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch_sup</[·...·truncated·by·diffoscope;·len:·174,·SHA:·8673aeac5bb52a84c6d26984508bbd36ff95b810efaebbce0ac8cf7607ed7aba·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 184 | ··</span><span·class="p"·data-group-id="1 | 184 | ··</span><span·class="p"·data-group-id="1296102874-7">{</span><span·class="ss">registered</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1296102874-8">[</span><span·class="ss">ch3</span><span·class="p"·data-group-id="1296102874-8">]</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·8aba0a6d2e0571cf6d6af8f6328282186f9c65db0d1b67066eec01ef719668c3·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 185 | ··</span><span·class="p"·data-group-id="1 | 185 | ··</span><span·class="p"·data-group-id="1296102874-9">{</span><span·class="ss">applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1296102874-10">[</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">st[·...·truncated·by·diffoscope;·len:·182,·SHA:·d93cafe99d6c92eea68a93ace432cb1d4cf378663556800176db7b3454767cdd·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 186 | ··</span><span·class="p"·data-group-id="1 | 186 | ··</span><span·class="p"·data-group-id="1296102874-11">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1296102874-12">{</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="p"·data-group-id="1296102874-13">[</sp[·...·truncated·by·diffoscope;·len:·152,·SHA:·6adddbbdcbe84c473cadf1825700b7eafcbe699f2599a8c6777ff885013159f3·...·]-11">}</span><span·class="w"> |
| 187 | ·</span><span·class="p"·data-group-id="1 | 187 | ·</span><span·class="p"·data-group-id="1296102874-2">]</span><span·class="p"·data-group-id="1296102874-1">}</span><span·class="p">.</span></code></pre><ul><li><code·class="inline">description</code>·-·A·short·description,·a·string.·Defaults·to·<code·class="inline">""</code>.</li><li><code·class="inline">vsn</code>·-·Version·number,·a·string.·Defaults·to·<code·class="inline">""</code>.</li><li><code·class="inline">modules</code>·-·All·modules·<em>introduced</em>·by·this·application.·<a·href="../../lib/sasl-4.2.2/doc/html/systools.html"><code·class="inline">systools</code></a>·uses |
| 188 | this·list·when·generating·boot·scripts·and·tar·files.·A·module·must·only | 188 | this·list·when·generating·boot·scripts·and·tar·files.·A·module·must·only |
| 189 | be·included·in·one·application.·Defaults·to·<code·class="inline">[]</code>.</li><li><code·class="inline">registered</code>·-·All·names·of·registered·processes·in·the·application. | 189 | be·included·in·one·application.·Defaults·to·<code·class="inline">[]</code>.</li><li><code·class="inline">registered</code>·-·All·names·of·registered·processes·in·the·application. |
| 190 | <a·href="../../lib/sasl-4.2.2/doc/html/systools.html"><code·class="inline">systools</code></a>·uses·this·list·to·detect·name·clashes·between·applications. | 190 | <a·href="../../lib/sasl-4.2.2/doc/html/systools.html"><code·class="inline">systools</code></a>·uses·this·list·to·detect·name·clashes·between·applications. |
| 191 | Defaults·to·<code·class="inline">[]</code>.</li><li><code·class="inline">applications</code>·-·All·applications·that·must·be·started·before·this | 191 | Defaults·to·<code·class="inline">[]</code>.</li><li><code·class="inline">applications</code>·-·All·applications·that·must·be·started·before·this |
| 192 | application·is·started.·<a·href="../../lib/sasl-4.2.2/doc/html/systools.html"><code·class="inline">systools</code></a>·uses·this·list·to·generate·correct·boot | 192 | application·is·started.·<a·href="../../lib/sasl-4.2.2/doc/html/systools.html"><code·class="inline">systools</code></a>·uses·this·list·to·generate·correct·boot |
| 193 | scripts.·Defaults·to·<code·class="inline">[]</code>.·Notice·that·all·applications·have·dependencies·to | 193 | scripts.·Defaults·to·<code·class="inline">[]</code>.·Notice·that·all·applications·have·dependencies·to |
| 194 | at·least·Kernel·and·STDLIB.</li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>For·details·about·the·syntax·and·contents·of·the·application·resource·file, | 194 | at·least·Kernel·and·STDLIB.</li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>For·details·about·the·syntax·and·contents·of·the·application·resource·file, |
| Offset 300, 38 lines modified | Offset 300, 38 lines modified | ||
| 300 | stop·applications.</p><h2·id="loading-and-unloading-applications"·class="section-heading"> | 300 | stop·applications.</p><h2·id="loading-and-unloading-applications"·class="section-heading"> |
| 301 | ··<a·href="#loading-and-unloading-applications"·class="hover-link"> | 301 | ··<a·href="#loading-and-unloading-applications"·class="hover-link"> |
| 302 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 302 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 303 | ··</a> | 303 | ··</a> |
| 304 | ··<span·class="text">Loading·and·Unloading·Applications</span> | 304 | ··<span·class="text">Loading·and·Unloading·Applications</span> |
| 305 | </h2> | 305 | </h2> |
| 306 | <p>Before·an·application·can·be·started,·it·must·be·<em>loaded</em>.·The·application | 306 | <p>Before·an·application·can·be·started,·it·must·be·<em>loaded</em>.·The·application |
| 307 | controller·reads·and·stores·the·information·from·the·<code·class="inline">.app</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">load</span><span·class="p"·data-group-id=" | 307 | controller·reads·and·stores·the·information·from·the·<code·class="inline">.app</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">load</span><span·class="p"·data-group-id="6794556166-1">(</span><span·class="ss">ch_app</span><span·class="p"·data-group-id="6794556166-1">)</span><span·class="p">.</span><span·class="w"> |
| 308 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 308 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 309 | 2>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">loaded_applications</span><span·class="p"·data-group-id=" | 309 | 2>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">loaded_applications</span><span·class="p"·data-group-id="6794556166-2">(</span><span·class="p"·data-group-id="6794556166-2">)</span><span·class="p">.</span><span·class="w"> |
| 310 | </span><span·class="p"·data-group-id=" | 310 | </span><span·class="p"·data-group-id="6794556166-3">[</span><span·class="p"·data-group-id="6794556166-4">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="s">"ERTS··CXC·138·10"</span><span·class="p">,</span><span·class="s">"2.8.1.3"</span><span·clas[·...·truncated·by·diffoscope;·len:·31,·SHA:·be1529d50890cc80ee756d6364b65c50e0125dff85e2ef146e4504a2c2c71dd9·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 311 | ·</span><span·class="p"·data-group-id=" | 311 | ·</span><span·class="p"·data-group-id="6794556166-5">{</span><span·class="ss">stdlib</span><span·class="p">,</span><span·class="s">"ERTS··CXC·138·10"</span><span·class="p">,</span><span·class="s">"1.11.4.3"</span><span·class="p"·data-group-id="6794556166-5">}</span><span·class="p">,</span><span·class="w"> |
| 312 | ·</span><span·class="p"·data-group-id=" | 312 | ·</span><span·class="p"·data-group-id="6794556166-6">{</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="s">"Channel·allocator"</span><span·class="p">,</span><span·class="s">"1"</span><span·class="p"·data-group-id="6794556166-6">}</span><span·class="p"[·...·truncated·by·diffoscope;·len:·26,·SHA:·0bdebd2972a06989ba1614ba84f7216f58b2f636bdf857de6c7e80945b8b50f5·...·]-3">]</span></code></pre><p>An·application·that·has·been·stopped,·or·has·never·been·started,·can·be |
| 313 | unloaded.·The·information·about·the·application·is·erased·from·the·internal | 313 | unloaded.·The·information·about·the·application·is·erased·from·the·internal |
| 314 | database·of·the·application·controller.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">unload</span><span·class="p"·data-group-id="7 | 314 | database·of·the·application·controller.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">unload</span><span·class="p"·data-group-id="7994564451-1">(</span><span·class="ss">ch_app</span><span·class="p"·data-group-id="7994564451-1">)</span><span·class="p">.</span><span·class="w"> |
| 315 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 315 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 316 | 4>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">loaded_applications</span><span·class="p"·data-group-id="7 | 316 | 4>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">loaded_applications</span><span·class="p"·data-group-id="7994564451-2">(</span><span·class="p"·data-group-id="7994564451-2">)</span><span·class="p">.</span><span·class="w"> |
| 317 | </span><span·class="p"·data-group-id="7 | 317 | </span><span·class="p"·data-group-id="7994564451-3">[</span><span·class="p"·data-group-id="7994564451-4">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="s">"ERTS··CXC·138·10"</span><span·class="p">,</span><span·class="s">"2.8.1.3"</span><span·class[·...·truncated·by·diffoscope;·len:·30,·SHA:·cecbef1c92f8fd4fba3d41280bb66259fbeeffa0133116d6abe74164d200ad35·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 318 | ·</span><span·class="p"·data-group-id="7 | 318 | ·</span><span·class="p"·data-group-id="7994564451-5">{</span><span·class="ss">stdlib</span><span·class="p">,</span><span·class="s">"ERTS··CXC·138·10"</span><span·class="p">,</span><span·class="s">"1.11.4.3"</span><span·class="p"·data-group-id="7994564451-5">}</span><span·clas[·...·truncated·by·diffoscope;·len:·31,·SHA:·dddb89193fbb3fcbfa7588db947d63e2e291d77b9f2ad07a70adf894365c976f·...·]-3">]</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Loading/unloading·an·application·does·not·load/unload·the·code·used·by·the |
| 319 | application.·Code·loading·is·handled·in·the·usual·way·by·the·code·server.</p></section><p><a·href=""·id="stopping"></a></p><h2·id="starting-and-stopping-applications"·class="section-heading"> | 319 | application.·Code·loading·is·handled·in·the·usual·way·by·the·code·server.</p></section><p><a·href=""·id="stopping"></a></p><h2·id="starting-and-stopping-applications"·class="section-heading"> |
| 320 | ··<a·href="#starting-and-stopping-applications"·class="hover-link"> | 320 | ··<a·href="#starting-and-stopping-applications"·class="hover-link"> |
| 321 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 321 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 322 | ··</a> | 322 | ··</a> |
| 323 | ··<span·class="text">Starting·and·Stopping·Applications</span> | 323 | ··<span·class="text">Starting·and·Stopping·Applications</span> |
| 324 | </h2> | 324 | </h2> |
| 325 | <p>An·application·is·started·by·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 325 | <p>An·application·is·started·by·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="3543593062-1">(</span><span·class="ss">ch_app</span><span·class="p"·data-group-id="3543593062-1">)</span><span·class="p">.</span><span·class="w"> |
| 326 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 326 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 327 | 6>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">which_applications</span><span·class="p"·data-group-id=" | 327 | 6>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">which_applications</span><span·class="p"·data-group-id="3543593062-2">(</span><span·class="p"·data-group-id="3543593062-2">)</span><span·class="p">.</span><span·class="w"> |
| 328 | </span><span·class="p"·data-group-id=" | 328 | </span><span·class="p"·data-group-id="3543593062-3">[</span><span·class="p"·data-group-id="3543593062-4">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="s">"ERTS··CXC·138·10"</span><span·class="p">,</span><span·class="s">"2.8.1.3"</span><span·clas[·...·truncated·by·diffoscope;·len:·31,·SHA:·13ab08c34a50a517519b14131fc5ad105cf21157d6b1e02a4268369d53ad4576·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 329 | ·</span><span·class="p"·data-group-id=" | 329 | ·</span><span·class="p"·data-group-id="3543593062-5">{</span><span·class="ss">stdlib</span><span·class="p">,</span><span·class="s">"ERTS··CXC·138·10"</span><span·class="p">,</span><span·class="s">"1.11.4.3"</span><span·class="p"·data-group-id="3543593062-5">}</span><span·class="p">,</span><span·class="w"> |
| 330 | ·</span><span·class="p"·data-group-id=" | 330 | ·</span><span·class="p"·data-group-id="3543593062-6">{</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="s">"Channel·allocator"</span><span·class="p">,</span><span·class="s">"1"</span><span·class="p"·data-group-id="3543593062-6">}</span><span·class="p"[·...·truncated·by·diffoscope;·len:·26,·SHA:·75a807a827cf681adbf9c6c30940ec0adcf1dc07b0dd5aaad1665e7b21233f00·...·]-3">]</span></code></pre><p>If·the·application·is·not·already·loaded,·the·application·controller·first·loads |
| 331 | it·using·<a·href="../../lib/kernel-10.2.3/doc/html/application.html#load/1"><code·class="inline">application:load/1</code></a>.·It·checks·the·value·of·the·<code·class="inline">applications</code>·key·to | 331 | it·using·<a·href="../../lib/kernel-10.2.3/doc/html/application.html#load/1"><code·class="inline">application:load/1</code></a>.·It·checks·the·value·of·the·<code·class="inline">applications</code>·key·to |
| 332 | ensure·that·all·applications·that·are·to·be·started·before·this·application·are | 332 | ensure·that·all·applications·that·are·to·be·started·before·this·application·are |
| 333 | running.</p><p><a·href=""·id="application_master"></a></p><p>Following·that,·the·application·controller·creates·an·<em>application·master</em>·for | 333 | running.</p><p><a·href=""·id="application_master"></a></p><p>Following·that,·the·application·controller·creates·an·<em>application·master</em>·for |
| 334 | the·application.</p><p>The·application·master·establishes·itself·as·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#group_leader/0">group | 334 | the·application.</p><p>The·application·master·establishes·itself·as·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#group_leader/0">group |
| 335 | leader</a>·of·all·processes·in·the·application | 335 | leader</a>·of·all·processes·in·the·application |
| 336 | and·will·forward·I/O·to·the·previous·group·leader.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·purpose·of·the·application·master·being·the·group·leader·is·to·easily | 336 | and·will·forward·I/O·to·the·previous·group·leader.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·purpose·of·the·application·master·being·the·group·leader·is·to·easily |
| 337 | keep·track·of·which·processes·that·belong·to·the·application.·That·is·needed | 337 | keep·track·of·which·processes·that·belong·to·the·application.·That·is·needed |
| Offset 347, 55 lines modified | Offset 347, 55 lines modified | ||
| 347 | defined·by·the·<code·class="inline">mod</code>·key.</p><h2·id="configuring-an-application"·class="section-heading"> | 347 | defined·by·the·<code·class="inline">mod</code>·key.</p><h2·id="configuring-an-application"·class="section-heading"> |
| 348 | ··<a·href="#configuring-an-application"·class="hover-link"> | 348 | ··<a·href="#configuring-an-application"·class="hover-link"> |
| 349 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 349 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 350 | ··</a> | 350 | ··</a> |
| 351 | ··<span·class="text">Configuring·an·Application</span> | 351 | ··<span·class="text">Configuring·an·Application</span> |
| 352 | </h2> | 352 | </h2> |
| 353 | <p>An·application·can·be·configured·using·<em>configuration·parameters</em>.·These·are·a | 353 | <p>An·application·can·be·configured·using·<em>configuration·parameters</em>.·These·are·a |
| 354 | list·of·<code·class="inline">{Par,Val}</code>·tuples·specified·by·a·key·<code·class="inline">env</code>·in·the·<code·class="inline">.app</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 354 | list·of·<code·class="inline">{Par,Val}</code>·tuples·specified·by·a·key·<code·class="inline">env</code>·in·the·<code·class="inline">.app</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0189393910-1">{</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w"> |
| 355 | ·</span><span·class="p"·data-group-id=" | 355 | ·</span><span·class="p"·data-group-id="0189393910-2">[</span><span·class="p"·data-group-id="0189393910-3">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Channel·allocator"</span><span·class="p"·data-group-id="0189393910-3">}</span><span·class="p">,</span><span·class="w"> |
| 356 | ··</span><span·class="p"·data-group-id=" | 356 | ··</span><span·class="p"·data-group-id="0189393910-4">{</span><span·class="ss">vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"1"</span><span·class="p"·data-group-id="0189393910-4">}</span><span·class="p">,</span><span·class="w"> |
| 357 | ··</span><span·class="p"·data-group-id=" | 357 | ··</span><span·class="p"·data-group-id="0189393910-5">{</span><span·class="ss">modules</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0189393910-6">[</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch_sup<[·...·truncated·by·diffoscope;·len:·175,·SHA:·8111bc06b12725f6ea7e20cea579863941f7bf45866f8cfb2505603196360f55·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 358 | ··</span><span·class="p"·data-group-id=" | 358 | ··</span><span·class="p"·data-group-id="0189393910-7">{</span><span·class="ss">registered</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0189393910-8">[</span><span·class="ss">ch3</span><span·class="p"·data-group-id="0189393910-8">]</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·a5e8f8950103d5b74513b11336868bfaa1b88d7d64e444e3ed33b73114672d58·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 359 | ··</span><span·class="p"·data-group-id=" | 359 | ··</span><span·class="p"·data-group-id="0189393910-9">{</span><span·class="ss">applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0189393910-10">[</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">s[·...·truncated·by·diffoscope;·len:·183,·SHA:·4e8a9b809597d6100427572d19dc4005af43c89fcc04ebc2ec33d3070b4fba7b·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 360 | ··</span><span·class="p"·data-group-id=" | 360 | ··</span><span·class="p"·data-group-id="0189393910-11">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0189393910-12">{</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="p"·data-group-id="0189393910-13">[</s[·...·truncated·by·diffoscope;·len:·153,·SHA:·816a567f78235f80e00ebefeb1f95837a79f03d83f63aff5982ce551a8aa43da·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 361 | ··</span><span·class="p"·data-group-id=" | 361 | ··</span><span·class="p"·data-group-id="0189393910-14">{</span><span·class="ss">env</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0189393910-15">[</span><span·class="p"·data-group-id="0189393910-16">{</span><span·class="ss">file</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·224,·SHA:·9d17a5e7ec99d94a68ddc540261f8ce6286ae8974eb924448790951918a06679·...·]-14">}</span><span·class="w"> |
| 362 | ·</span><span·class="p"·data-group-id=" | 362 | ·</span><span·class="p"·data-group-id="0189393910-2">]</span><span·class="p"·data-group-id="0189393910-1">}</span><span·class="p">.</span></code></pre><p><code·class="inline">Par</code>·is·to·be·an·atom.·<code·class="inline">Val</code>·is·any·term.·The·application·can·retrieve·the |
| 363 | value·of·a·configuration·parameter·by·calling·<code·class="inline">application:get_env(App,·Par)</code>·or | 363 | value·of·a·configuration·parameter·by·calling·<code·class="inline">application:get_env(App,·Par)</code>·or |
| 364 | a·number·of·similar·functions.·For·more·information,·see·module·<a·href="../../lib/kernel-10.2.3/doc/html/application.html"><code·class="inline">application</code></a> | 364 | a·number·of·similar·functions.·For·more·information,·see·module·<a·href="../../lib/kernel-10.2.3/doc/html/application.html"><code·class="inline">application</code></a> |
| 365 | in·Kernel.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl</span><span·class="w"> | 365 | in·Kernel.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl</span><span·class="w"> |
| 366 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="p"·data-group-id=" | 366 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="p"·data-group-id="2058630132-1">(</span><span·class="n">BEAM</span><span·class="p"·data-group-id="2058630132-1">)</span><span·class="w">·</span><span·class="ss">emulator</span><span·class="w">·</span><span·class="ss">version</span><span·class="w">·</span><span·class="mf">5.[·...·truncated·by·diffoscope;·len:·415,·SHA:·764540770be2ed46d498d3e34356161c9531194048cbc44738484d4525579b4d·...·]-3">]</span><span·class="w"> |
| 367 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">2.3</span><span·class="p">.</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id=" | 367 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">2.3</span><span·class="p">.</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id="2058630132-4">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="2058630132-4">)</span><span·class="gp·unselectable"> |
| 368 | 1>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 368 | 1>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="2058630132-5">(</span><span·class="ss">ch_app</span><span·class="p"·data-group-id="2058630132-5">)</span><span·class="p">.</span><span·class="w"> |
| 369 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 369 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 370 | 2>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">get_env</span><span·class="p"·data-group-id=" | 370 | 2>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">get_env</span><span·class="p"·data-group-id="2058630132-6">(</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">file</span><span·class="p"·data-group-id="2058630132-6">)</span><span·class="p">.</span><span·class="w"> |
| 371 | </span><span·class="p"·data-group-id=" | 371 | </span><span·class="p"·data-group-id="2058630132-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="s">"/usr/local/log"</span><span·class="p"·data-group-id="2058630132-7">}</span></code></pre><p>The·values·in·the·<code·class="inline">.app</code>·file·can·be·overridden·by·values·in·a·<em>system |
| 372 | configuration·file</em>.·This·is·a·file·that·contains·configuration·parameters·for | 372 | configuration·file</em>.·This·is·a·file·that·contains·configuration·parameters·for |
| 373 | relevant·applications:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4 | 373 | relevant·applications:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7463290834-1">[</span><span·class="p"·data-group-id="7463290834-2">{</span><span·class="n">Application1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7463290834-3">[</span><span·class="p"·data-group-id="7463290834-4">[·...·truncated·by·diffoscope;·len:·331,·SHA:·c280157c248a2edabab1d9b684457cfb9110bc1e630084f6e70da9bcadd052e3·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 374 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w"> | 374 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w"> |
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| 120 | ··<a·href="#changing-a-functional-module"·class="hover-link"> | 120 | ··<a·href="#changing-a-functional-module"·class="hover-link"> |
| 121 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 121 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 122 | ··</a> | 122 | ··</a> |
| 123 | ··<span·class="text">Changing·a·Functional·Module</span> | 123 | ··<span·class="text">Changing·a·Functional·Module</span> |
| 124 | </h2> | 124 | </h2> |
| 125 | <p>When·a·functional·module·has·been·changed,·for·example,·if·a·new·function·has | 125 | <p>When·a·functional·module·has·been·changed,·for·example,·if·a·new·function·has |
| 126 | been·added·or·a·bug·has·been·corrected,·simple·code·replacement·is·sufficient, | 126 | been·added·or·a·bug·has·been·corrected,·simple·code·replacement·is·sufficient, |
| 127 | for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 127 | for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5092712512-1">{</span><span·class="s">"2"</span><span·class="p">,</span><span·class="w"> |
| 128 | ·</span><span·class="p"·data-group-id=" | 128 | ·</span><span·class="p"·data-group-id="5092712512-2">[</span><span·class="p"·data-group-id="5092712512-3">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5092712512-4">[</span><span·class="p"·data-group-id="5092712512-5"[·...·truncated·by·diffoscope;·len:·317,·SHA:·40cebf8e01764f287770b36b9a3e479b4252ab197f95e2821c23df25758c2749·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 129 | ·</span><span·class="p"·data-group-id=" | 129 | ·</span><span·class="p"·data-group-id="5092712512-6">[</span><span·class="p"·data-group-id="5092712512-7">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5092712512-8">[</span><span·class="p"·data-group-id="5092712512-9"[·...·truncated·by·diffoscope;·len:·317,·SHA:·1320d70bde5e95130ccfe16622d370ac407f9f9e2e37266990a7cad82d6ad74b·...·]-6">]</span><span·class="w"> |
| 130 | </span><span·class="p"·data-group-id=" | 130 | </span><span·class="p"·data-group-id="5092712512-1">}</span><span·class="p">.</span></code></pre><h2·id="changing-a-residence-module"·class="section-heading"> |
| 131 | ··<a·href="#changing-a-residence-module"·class="hover-link"> | 131 | ··<a·href="#changing-a-residence-module"·class="hover-link"> |
| 132 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 132 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 133 | ··</a> | 133 | ··</a> |
| 134 | ··<span·class="text">Changing·a·Residence·Module</span> | 134 | ··<span·class="text">Changing·a·Residence·Module</span> |
| 135 | </h2> | 135 | </h2> |
| 136 | <p>In·a·system·implemented·according·to·the·OTP·design·principles,·all·processes, | 136 | <p>In·a·system·implemented·according·to·the·OTP·design·principles,·all·processes, |
| 137 | except·system·processes·and·special·processes,·reside·in·one·of·the·behaviours | 137 | except·system·processes·and·special·processes,·reside·in·one·of·the·behaviours |
| Offset 142, 46 lines modified | Offset 142, 46 lines modified | ||
| 142 | ··<a·href="#changing-a-callback-module"·class="hover-link"> | 142 | ··<a·href="#changing-a-callback-module"·class="hover-link"> |
| 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 144 | ··</a> | 144 | ··</a> |
| 145 | ··<span·class="text">Changing·a·Callback·Module</span> | 145 | ··<span·class="text">Changing·a·Callback·Module</span> |
| 146 | </h2> | 146 | </h2> |
| 147 | <p>A·callback·module·is·a·functional·module,·and·for·code·extensions·simple·code | 147 | <p>A·callback·module·is·a·functional·module,·and·for·code·extensions·simple·code |
| 148 | replacement·is·sufficient.</p><p><em>Example</em></p><p>When·adding·a·function·to·<code·class="inline">ch3</code>,·as·described·in·the·example·in | 148 | replacement·is·sufficient.</p><p><em>Example</em></p><p>When·adding·a·function·to·<code·class="inline">ch3</code>,·as·described·in·the·example·in |
| 149 | <a·href="release_handling.html#appup">Release·Handling</a>,·<code·class="inline">ch_app.appup</code>·looks·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 149 | <a·href="release_handling.html#appup">Release·Handling</a>,·<code·class="inline">ch_app.appup</code>·looks·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9438318616-1">{</span><span·class="s">"2"</span><span·class="p">,</span><span·class="w"> |
| 150 | ·</span><span·class="p"·data-group-id=" | 150 | ·</span><span·class="p"·data-group-id="9438318616-2">[</span><span·class="p"·data-group-id="9438318616-3">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9438318616-4">[</span><span·class="p"·data-group-id="9438318616-5"[·...·truncated·by·diffoscope;·len:·319,·SHA:·a0b37491741072a7e7b38c48db7d654fd9d28865d555bdb0a05aa1523cb3bb8f·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 151 | ·</span><span·class="p"·data-group-id=" | 151 | ·</span><span·class="p"·data-group-id="9438318616-6">[</span><span·class="p"·data-group-id="9438318616-7">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9438318616-8">[</span><span·class="p"·data-group-id="9438318616-9"[·...·truncated·by·diffoscope;·len:·319,·SHA:·37a3b999502b2bade13c23f3fa90af173f970cfecbb1b62e756b18149e01dafe·...·]-6">]</span><span·class="w"> |
| 152 | </span><span·class="p"·data-group-id=" | 152 | </span><span·class="p"·data-group-id="9438318616-1">}</span><span·class="p">.</span></code></pre><p>OTP·also·supports·changing·the·internal·state·of·behaviour·processes;·see |
| 153 | <a·href="appup_cookbook.html#int_state">Changing·Internal·State</a>.</p><p><a·href=""·id="int_state"></a></p><h2·id="changing-internal-state"·class="section-heading"> | 153 | <a·href="appup_cookbook.html#int_state">Changing·Internal·State</a>.</p><p><a·href=""·id="int_state"></a></p><h2·id="changing-internal-state"·class="section-heading"> |
| 154 | ··<a·href="#changing-internal-state"·class="hover-link"> | 154 | ··<a·href="#changing-internal-state"·class="hover-link"> |
| 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 156 | ··</a> | 156 | ··</a> |
| 157 | ··<span·class="text">Changing·Internal·State</span> | 157 | ··<span·class="text">Changing·Internal·State</span> |
| 158 | </h2> | 158 | </h2> |
| 159 | <p>In·this·case,·simple·code·replacement·is·not·sufficient.·The·process·must | 159 | <p>In·this·case,·simple·code·replacement·is·not·sufficient.·The·process·must |
| 160 | explicitly·transform·its·state·using·the·callback·function·<code·class="inline">code_change/3</code>·before | 160 | explicitly·transform·its·state·using·the·callback·function·<code·class="inline">code_change/3</code>·before |
| 161 | switching·to·the·new·version·of·the·callback·module.·Thus,·synchronized·code | 161 | switching·to·the·new·version·of·the·callback·module.·Thus,·synchronized·code |
| 162 | replacement·is·used.</p><p><em>Example</em></p><p>Consider·the·<code·class="inline">ch3</code>·module·from | 162 | replacement·is·used.</p><p><em>Example</em></p><p>Consider·the·<code·class="inline">ch3</code>·module·from |
| 163 | <a·href="gen_server_concepts.html#ex">gen_server·Behaviour</a>.·The·internal·state·is·a·term | 163 | <a·href="gen_server_concepts.html#ex">gen_server·Behaviour</a>.·The·internal·state·is·a·term |
| 164 | <code·class="inline">Chs</code>·representing·the·available·channels.·Assume·you·want·to·add·a·counter·<code·class="inline">N</code>, | 164 | <code·class="inline">Chs</code>·representing·the·available·channels.·Assume·you·want·to·add·a·counter·<code·class="inline">N</code>, |
| 165 | which·keeps·track·of·the·number·of·<code·class="inline">alloc</code>·requests·so·far.·This·means·that·the | 165 | which·keeps·track·of·the·number·of·<code·class="inline">alloc</code>·requests·so·far.·This·means·that·the |
| 166 | format·must·be·changed·to·<code·class="inline">{Chs,N}</code>.</p><p>The·<code·class="inline">.appup</code>·file·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 166 | format·must·be·changed·to·<code·class="inline">{Chs,N}</code>.</p><p>The·<code·class="inline">.appup</code>·file·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8843654450-1">{</span><span·class="s">"2"</span><span·class="p">,</span><span·class="w"> |
| 167 | ·</span><span·class="p"·data-group-id="2661914899-2">[</span><span·class="p"·data-group-id="2661914899-3">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2661914899-4">[</span><span·class="p"·data-group-id="2661914899-5">{</span><span·class="ss">update</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2661914899-6">{</span><span·class="ss">advanced</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2661914899-7">[</span><span·class="p"·data-group-id="2661914899-7">]</span><span·class="p"·data-group-id="2661914899-6">}</span><span·class="p"·data-group-id="2661914899-5">}</span><span·class="p"·data-group-id="2661914899-4">]</span><span·class="p"·data-group-id="2661914899-3">}</span><span·class="p"·data-group-id="2661914899-2">]</span><span·class="p">,</span><span·class="w"> | ||
| 168 | ·</span><span·class="p"·data-group-id=" | 167 | ·</span><span·class="p"·data-group-id="8843654450-2">[</span><span·class="p"·data-group-id="8843654450-3">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8843654450-4">[</span><span·class="p"·data-group-id="8843654450-5"[·...·truncated·by·diffoscope;·len:·683,·SHA:·2f7c46394886069d50ea7ce22c9d49c1697a7f14b052e707a11db2d988890519·...·]</span><span·class="w"> |
| 168 | ·</span><span·class="p"·data-group-id="8843654450-8">[</span><span·class="p"·data-group-id="8843654450-9">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8843654450-10">[</span><span·class="p"·data-group-id="8843654450-11">{</span><span·class="ss">update</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8843654450-12">{</span><span·class="ss">advanced</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8843654450-13">[</span><span·class="p"·data-group-id="8843654450-13">]</span><span·class="p"·data-group-id="8843654450-12">}</span><span·class="p"·data-group-id="8843654450-11">}</span><span·class="p"·data-group-id="8843654450-10">]</span><span·class="p"·data-group-id="8843654450-9">}</span><span·class="p"·data-group-id="8843654450-8">]</span><span·class="w"> | ||
| 169 | </span><span·class="p"·data-group-id=" | 169 | </span><span·class="p"·data-group-id="8843654450-1">}</span><span·class="p">.</span></code></pre><p>The·third·element·of·the·<code·class="inline">update</code>·instruction·is·a·tuple·<code·class="inline">{advanced,Extra}</code>, |
| 170 | which·says·that·the·affected·processes·are·to·do·a·state·transformation·before | 170 | which·says·that·the·affected·processes·are·to·do·a·state·transformation·before |
| 171 | loading·the·new·version·of·the·module.·This·is·done·by·the·processes·calling·the | 171 | loading·the·new·version·of·the·module.·This·is·done·by·the·processes·calling·the |
| 172 | callback·function·<code·class="inline">code_change/3</code>·(see·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html"><code·class="inline">gen_server</code></a>·in·STDLIB). | 172 | callback·function·<code·class="inline">code_change/3</code>·(see·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html"><code·class="inline">gen_server</code></a>·in·STDLIB). |
| 173 | The·term·<code·class="inline">Extra</code>,·in·this·case·<code·class="inline">[]</code>,·is·passed·as·is·to·the·function:</p><p><a·href=""·id="code_change"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 173 | The·term·<code·class="inline">Extra</code>,·in·this·case·<code·class="inline">[]</code>,·is·passed·as·is·to·the·function:</p><p><a·href=""·id="code_change"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="6991414758-1">(</span><span·class="ss">ch3</span><span·class="p"·data-group-id="6991414758-1">)</span><span·class="p">.</span><span·class="w"> |
| 174 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 174 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 175 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6991414758-2">(</span><span·class="p"·data-group-id="6991414758-3">[</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi">3</span><span·class="p"·data-group-id="6991414758-3">]</span><span·class="p"·data-group-id="6991414758-2">)</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 176 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 177 | </span><span·class="nf">code_change</span><span·class="p"·data-group-id=" | 177 | </span><span·class="nf">code_change</span><span·class="p"·data-group-id="6991414758-4">(</span><span·class="p"·data-group-id="6991414758-5">{</span><span·class="ss">down</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Vsn</span><span·class="p"·data-group-id="6991414758-5">}</span><s[·...·truncated·by·diffoscope;·len:·391,·SHA:·5b379cd6635532c7ed1a275423d0d914728596fa440bdf95a2790e44da1ea4f9·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 178 | ····</span><span·class="p"·data-group-id=" | 178 | ····</span><span·class="p"·data-group-id="6991414758-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="6991414758-7">}</span><span·class="p">;</span><span·class="w"> |
| 179 | </span><span·class="nf">code_change</span><span·class="p"·data-group-id=" | 179 | </span><span·class="nf">code_change</span><span·class="p"·data-group-id="6991414758-8">(</span><span·class="p">_</span><span·class="n">Vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Extra</span><span·clas[·...·truncated·by·diffoscope;·len:·31,·SHA:·414bac93b5c71d77bbe8f1d207bb550e86e36834380c2fa004caac339b585d68·...·]-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 180 | ····</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="p"·data-group-id="6991414758-9">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6991414758-10">{</span><span·class="n">Chs</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·c[·...·truncated·by·diffoscope;·len:·88,·SHA:·450fcd5bd11c3d34fa440fa86001a64ef6442ca83a581b68041495bfd8660392·...·]-9">}</span><span·class="p">.</span></code></pre><p>The·first·argument·is·<code·class="inline">{down,Vsn}</code>·if·there·is·a·downgrade,·or·<code·class="inline">Vsn</code>·if·there·is |
| 181 | a·upgrade.·The·term·<code·class="inline">Vsn</code>·is·fetched·from·the·'original'·version·of·the·module, | 181 | a·upgrade.·The·term·<code·class="inline">Vsn</code>·is·fetched·from·the·'original'·version·of·the·module, |
| 182 | that·is,·the·version·you·are·upgrading·from,·or·downgrading·to.</p><p>The·version·is·defined·by·the·module·attribute·<code·class="inline">vsn</code>,·if·any.·There·is·no·such | 182 | that·is,·the·version·you·are·upgrading·from,·or·downgrading·to.</p><p>The·version·is·defined·by·the·module·attribute·<code·class="inline">vsn</code>,·if·any.·There·is·no·such |
| 183 | attribute·in·<code·class="inline">ch3</code>,·so·in·this·case·the·version·is·the·checksum·(a·huge·integer) | 183 | attribute·in·<code·class="inline">ch3</code>,·so·in·this·case·the·version·is·the·checksum·(a·huge·integer) |
| 184 | of·the·beam·file,·an·uninteresting·value,·which·is·ignored.</p><p>The·other·callback·functions·of·<code·class="inline">ch3</code>·must·also·be·modified·and·perhaps·a·new | 184 | of·the·beam·file,·an·uninteresting·value,·which·is·ignored.</p><p>The·other·callback·functions·of·<code·class="inline">ch3</code>·must·also·be·modified·and·perhaps·a·new |
| 185 | interface·function·must·be·added,·but·this·is·not·shown·here.</p><h2·id="module-dependencies"·class="section-heading"> | 185 | interface·function·must·be·added,·but·this·is·not·shown·here.</p><h2·id="module-dependencies"·class="section-heading"> |
| 186 | ··<a·href="#module-dependencies"·class="hover-link"> | 186 | ··<a·href="#module-dependencies"·class="hover-link"> |
| 187 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 187 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 190, 67 lines modified | Offset 190, 67 lines modified | ||
| 190 | </h2> | 190 | </h2> |
| 191 | <p>Assume·that·a·module·is·extended·by·adding·an·interface·function,·as·in·the | 191 | <p>Assume·that·a·module·is·extended·by·adding·an·interface·function,·as·in·the |
| 192 | example·in·<a·href="release_handling.html#appup">Release·Handling</a>,·where·a·function | 192 | example·in·<a·href="release_handling.html#appup">Release·Handling</a>,·where·a·function |
| 193 | <code·class="inline">available/0</code>·is·added·to·<code·class="inline">ch3</code>.</p><p>If·a·call·is·added·to·this·function,·say·in·module·<code·class="inline">m1</code>,·a·runtime·error·could | 193 | <code·class="inline">available/0</code>·is·added·to·<code·class="inline">ch3</code>.</p><p>If·a·call·is·added·to·this·function,·say·in·module·<code·class="inline">m1</code>,·a·runtime·error·could |
| 194 | can·occur·during·release·upgrade·if·the·new·version·of·<code·class="inline">m1</code>·is·loaded·first·and | 194 | can·occur·during·release·upgrade·if·the·new·version·of·<code·class="inline">m1</code>·is·loaded·first·and |
| 195 | calls·<code·class="inline">ch3:available/0</code>·before·the·new·version·of·<code·class="inline">ch3</code>·is·loaded.</p><p>Thus,·<code·class="inline">ch3</code>·must·be·loaded·before·<code·class="inline">m1</code>,·in·the·upgrade·case,·and·conversely·in | 195 | calls·<code·class="inline">ch3:available/0</code>·before·the·new·version·of·<code·class="inline">ch3</code>·is·loaded.</p><p>Thus,·<code·class="inline">ch3</code>·must·be·loaded·before·<code·class="inline">m1</code>,·in·the·upgrade·case,·and·conversely·in |
| 196 | the·downgrade·case.·<code·class="inline">m1</code>·is·said·to·be·<em>dependent·on</em>·<code·class="inline">ch3</code>.·In·a·release | 196 | the·downgrade·case.·<code·class="inline">m1</code>·is·said·to·be·<em>dependent·on</em>·<code·class="inline">ch3</code>.·In·a·release |
| 197 | handling·instruction,·this·is·expressed·by·the·<code·class="inline">DepMods</code>·element:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2 | 197 | handling·instruction,·this·is·expressed·by·the·<code·class="inline">DepMods</code>·element:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2419952287-1">{</span><span·class="nb">load_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">DepMods</span><span·class="p"·data-group-id="2419952287-1">}</span><span·class="w"> |
| 198 | </span><span·class="p"·data-group-id="2 | 198 | </span><span·class="p"·data-group-id="2419952287-2">{</span><span·class="ss">update</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2419952287-3">{</span><span·class="ss">advanced</[·...·truncated·by·diffoscope;·len:·253,·SHA:·e4fda6918b5d71950ed1ca298af4613aecde926cf585a1b9faaf0c2fd325844f·...·]-2">}</span></code></pre><p><code·class="inline">DepMods</code>·is·a·list·of·modules,·on·which·<code·class="inline">Module</code>·is·dependent.</p><p><em>Example</em></p><p>The·module·<code·class="inline">m1</code>·in·application·<code·class="inline">myapp</code>·is·dependent·on·<code·class="inline">ch3</code>·when |
| 199 | upgrading·from·"1"·to·"2",·or·downgrading·from·"2"·to·"1":</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">myapp</span><span·class="p">.</span><span·class="nc">appup</span><span·class="p">:</span><span·class="w"> | 199 | upgrading·from·"1"·to·"2",·or·downgrading·from·"2"·to·"1":</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">myapp</span><span·class="p">.</span><span·class="nc">appup</span><span·class="p">:</span><span·class="w"> |
| 200 | </span><span·class="p"·data-group-id=" | 200 | </span><span·class="p"·data-group-id="1480718760-1">{</span><span·class="s">"2"</span><span·class="p">,</span><span·class="w"> |
| 201 | ·</span><span·class="p"·data-group-id=" | 201 | ·</span><span·class="p"·data-group-id="1480718760-2">[</span><span·class="p"·data-group-id="1480718760-3">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1480718760-4">[</span><span·class="p"·data-group-id="1480718760-5"[·...·truncated·by·diffoscope;·len:·499,·SHA:·ac73714937690559b25cec983381dc9a9c04b7e2d76cc220361be5eb2c43d46a·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 202 | ·</span><span·class="p"·data-group-id=" | 202 | ·</span><span·class="p"·data-group-id="1480718760-7">[</span><span·class="p"·data-group-id="1480718760-8">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1480718760-9">[</span><span·class="p"·data-group-id="1480718760-10[·...·truncated·by·diffoscope;·len:·503,·SHA:·7ed8bedeabff45b6f2def604324dbfce65b403d984ccf37b8488ce589fe48318·...·]-7">]</span><span·class="w"> |
| 203 | </span><span·class="p"·data-group-id=" | 203 | </span><span·class="p"·data-group-id="1480718760-1">}</span><span·class="p">.</span><span·class="w"> |
| 204 | </span><span·class="ss">ch_app</span><span·class="p">.</span><span·class="nc">appup</span><span·class="p">:</span><span·class="w"> | 204 | </span><span·class="ss">ch_app</span><span·class="p">.</span><span·class="nc">appup</span><span·class="p">:</span><span·class="w"> |
| 205 | </span><span·class="p"·data-group-id=" | 205 | </span><span·class="p"·data-group-id="1480718760-12">{</span><span·class="s">"2"</span><span·class="p">,</span><span·class="w"> |
| 206 | ·</span><span·class="p"·data-group-id=" | 206 | ·</span><span·class="p"·data-group-id="1480718760-13">[</span><span·class="p"·data-group-id="1480718760-14">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1480718760-15">[</span><span·class="p"·data-group-id="1480718760[·...·truncated·by·diffoscope;·len:·326,·SHA:·3f703ed50e4e7112ef96871fabbd8c89e7ff1067e2eda034107cf9ff599853d0·...·]-13">]</span><span·class="p">,</span><span·class="w"> |
| 207 | ·</span><span·class="p"·data-group-id=" | 207 | ·</span><span·class="p"·data-group-id="1480718760-17">[</span><span·class="p"·data-group-id="1480718760-18">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1480718760-19">[</span><span·class="p"·data-group-id="1480718760[·...·truncated·by·diffoscope;·len:·326,·SHA:·25ef2dbdfa72f08d26654f2001ff383a99bee58a73f6e57c7dce4a52e969f907·...·]-17">]</span><span·class="w"> |
| 208 | </span><span·class="p"·data-group-id=" | 208 | </span><span·class="p"·data-group-id="1480718760-12">}</span><span·class="p">.</span></code></pre><p>If·instead·<code·class="inline">m1</code>·and·<code·class="inline">ch3</code>·belong·to·the·same·application,·the·<code·class="inline">.appup</code>·file·can |
| 209 | look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 209 | look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8953485661-1">{</span><span·class="s">"2"</span><span·class="p">,</span><span·class="w"> |
| 210 | ·</span><span·class="p"·data-group-id=" | 210 | ·</span><span·class="p"·data-group-id="8953485661-2">[</span><span·class="p"·data-group-id="8953485661-3">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w"> |
| 211 | ···</span><span·class="p"·data-group-id=" | 211 | ···</span><span·class="p"·data-group-id="8953485661-4">[</span><span·class="p"·data-group-id="8953485661-5">{</span><span·class="nb">load_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p"·data-group-id="8953485661-5">}</span><span·class="p">,</span><span·class="w"> |
| 212 | ····</span><span·class="p"·data-group-id=" | 212 | ····</span><span·class="p"·data-group-id="8953485661-6">{</span><span·class="nb">load_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">m1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8953485661-7">[</span><span·class="ss">ch3</sp[·...·truncated·by·diffoscope;·len:·256,·SHA:·c5fcf50edb99a6f5a992ea6a56dd0bb8a473a017b98d7818cbd6d35f35c2cb38·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 213 | ·</span><span·class="p"·data-group-id=" | 213 | ·</span><span·class="p"·data-group-id="8953485661-8">[</span><span·class="p"·data-group-id="8953485661-9">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w"> |
| 214 | ···</span><span·class="p"·data-group-id=" | 214 | ···</span><span·class="p"·data-group-id="8953485661-10">[</span><span·class="p"·data-group-id="8953485661-11">{</span><span·class="nb">load_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p"·data-group-id="8953485661-11">}</span><span·class="p">,</span><span·class="w"> |
| 215 | ····</span><span·class="p"·data-group-id=" | 215 | ····</span><span·class="p"·data-group-id="8953485661-12">{</span><span·class="nb">load_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">m1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8953485661-13">[</span><span·class="ss">ch3</[·...·truncated·by·diffoscope;·len:·261,·SHA:·508e569d0d5b725676f4934162315d7d9d42bb972b5da7f77a2a4966079e4ce0·...·]-8">]</span><span·class="w"> |
| 216 | </span><span·class="p"·data-group-id=" | 216 | </span><span·class="p"·data-group-id="8953485661-1">}</span><span·class="p">.</span></code></pre><p><code·class="inline">m1</code>·is·dependent·on·<code·class="inline">ch3</code>·also·when·downgrading.·<code·class="inline">systools</code>·knows·the |
| 217 | difference·between·up-·and·downgrading·and·generates·a·correct·<code·class="inline">relup</code>,·where | 217 | difference·between·up-·and·downgrading·and·generates·a·correct·<code·class="inline">relup</code>,·where |
| 218 | <code·class="inline">ch3</code>·is·loaded·before·<code·class="inline">m1</code>·when·upgrading,·but·<code·class="inline">m1</code>·is·loaded·before·<code·class="inline">ch3</code>·when | 218 | <code·class="inline">ch3</code>·is·loaded·before·<code·class="inline">m1</code>·when·upgrading,·but·<code·class="inline">m1</code>·is·loaded·before·<code·class="inline">ch3</code>·when |
| 219 | downgrading.</p><p><a·href=""·id="spec"></a></p><h2·id="changing-code-for-a-special-process"·class="section-heading"> | 219 | downgrading.</p><p><a·href=""·id="spec"></a></p><h2·id="changing-code-for-a-special-process"·class="section-heading"> |
| 220 | ··<a·href="#changing-code-for-a-special-process"·class="hover-link"> | 220 | ··<a·href="#changing-code-for-a-special-process"·class="hover-link"> |
| 221 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 221 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 222 | ··</a> | 222 | ··</a> |
| 223 | ··<span·class="text">Changing·Code·for·a·Special·Process</span> | 223 | ··<span·class="text">Changing·Code·for·a·Special·Process</span> |
| 224 | </h2> | 224 | </h2> |
| 225 | <p>In·this·case,·simple·code·replacement·is·not·sufficient.·When·a·new·version·of·a | 225 | <p>In·this·case,·simple·code·replacement·is·not·sufficient.·When·a·new·version·of·a |
| 226 | residence·module·for·a·special·process·is·loaded,·the·process·must·make·a·fully | 226 | residence·module·for·a·special·process·is·loaded,·the·process·must·make·a·fully |
| 227 | qualified·call·to·its·loop·function·to·switch·to·the·new·code.·Thus, | 227 | qualified·call·to·its·loop·function·to·switch·to·the·new·code.·Thus, |
| 228 | synchronized·code·replacement·must·be·used.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·name(s)·of·the·user-defined·residence·module(s)·must·be·listed·in·the | 228 | synchronized·code·replacement·must·be·used.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·name(s)·of·the·user-defined·residence·module(s)·must·be·listed·in·the |
| 229 | <code·class="inline">Modules</code>·part·of·the·child·specification·for·the·special·process.·Otherwise | 229 | <code·class="inline">Modules</code>·part·of·the·child·specification·for·the·special·process.·Otherwise |
| 230 | the·release·handler·cannot·find·the·process.</p></section><p><em>Example</em></p><p>Consider·the·example·<code·class="inline">ch4</code>·in·<a·href="spec_proc.html#ex">sys·and·proc_lib</a>. | 230 | the·release·handler·cannot·find·the·process.</p></section><p><em>Example</em></p><p>Consider·the·example·<code·class="inline">ch4</code>·in·<a·href="spec_proc.html#ex">sys·and·proc_lib</a>. |
| 231 | When·started·by·a·supervisor,·the·child·specification·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5 | 231 | When·started·by·a·supervisor,·the·child·specification·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5934244471-1">{</span><span·class="ss">ch4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5934244471-2">{</span><span·class="ss">ch4</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start_link</spa[·...·truncated·by·diffoscope;·len:·197,·SHA:·bc2e7c48983dd4d0222c9547d291fbabc1e603f2554a34acd19b10a2bf8b69c8·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 232 | ·</span><span·class="ss">permanent</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">brutal_kill</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">worker</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5 | 232 | ·</span><span·class="ss">permanent</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">brutal_kill</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">worker</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5934244471-4">[</span><span·class="ss">ch4</span><span·class="p"·data-group-id="5934244471-4">]</span><span·class="p"·data-group-id="5934244471-1">}</span></code></pre><p>If·<code·class="inline">ch4</code>·is·part·of·the·application·<code·class="inline">sp_app</code>·and·a·new·version·of·the·module·is |
| 233 | to·be·loaded·when·upgrading·from·version·"1"·to·"2"·of·this·application, | 233 | to·be·loaded·when·upgrading·from·version·"1"·to·"2"·of·this·application, |
| 234 | <code·class="inline">sp_app.appup</code>·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 234 | <code·class="inline">sp_app.appup</code>·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8960233893-1">{</span><span·class="s">"2"</span><span·class="p">,</span><span·class="w"> |
| 235 | ·</span><span·class="p"·data-group-id=" | 235 | ·</span><span·class="p"·data-group-id="8960233893-2">[</span><span·class="p"·data-group-id="8960233893-3">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8960233893-4">[</span><span·class="p"·data-group-id="8960233893-5"[·...·truncated·by·diffoscope;·len:·654,·SHA:·53295ede3604292c46bcba8415103c1f8b4e70da8093ed112bf2a4c35d0588c0·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 236 | ·</span><span·class="p"·data-group-id=" | 236 | ·</span><span·class="p"·data-group-id="8960233893-8">[</span><span·class="p"·data-group-id="8960233893-9">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8960233893-10">[</span><span·class="p"·data-group-id="8960233893-1[·...·truncated·by·diffoscope;·len:·662,·SHA:·c1d34ed2b807271ef91ec9dfb8cbce3332508957128c9bf7a73edfdb664d8dc1·...·]-8">]</span><span·class="w"> |
| 237 | </span><span·class="p"·data-group-id=" | 237 | </span><span·class="p"·data-group-id="8960233893-1">}</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">update</code>·instruction·must·contain·the·tuple·<code·class="inline">{advanced,Extra}</code>.·The |
| 238 | instruction·makes·the·special·process·call·the·callback·function | 238 | instruction·makes·the·special·process·call·the·callback·function |
| 239 | <code·class="inline">system_code_change/4</code>,·a·function·the·user·must·implement.·The·term·<code·class="inline">Extra</code>,·in | 239 | <code·class="inline">system_code_change/4</code>,·a·function·the·user·must·implement.·The·term·<code·class="inline">Extra</code>,·in |
| 240 | this·case·<code·class="inline">[]</code>,·is·passed·as·is·to·<code·class="inline">system_code_change/4</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 240 | this·case·<code·class="inline">[]</code>,·is·passed·as·is·to·<code·class="inline">system_code_change/4</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="0146156678-1">(</span><span·class="ss">ch4</span><span·class="p"·data-group-id="0146156678-1">)</span><span·class="p">.</span><span·class="w"> |
| 241 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 241 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 242 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 242 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0146156678-2">(</span><span·class="p"·data-group-id="0146156678-3">[</span><span·class="ss">system_code_change</span><span·class="p">/</span><span·class="mi">4</span><span·class="p"·data-group-id="0146156678-3">]</span><span·class="p"·data-group-id="014615[·...·truncated·by·diffoscope;·len:·3,·SHA:·8b5551ea922dd24625c45051c64adb50fdff91fecdf5327a02c7b0be3933965e·...·]8-2">)</span><span·class="p">.</span><span·class="w"> |
| 243 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 243 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 244 | </span><span·class="nf">system_code_change</span><span·class="p"·data-group-id=" | 244 | </span><span·class="nf">system_code_change</span><span·class="p"·data-group-id="0146156678-4">(</span><span·class="n">Chs</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">OldVsn</span><span·[·...·truncated·by·diffoscope;·len:·134,·SHA:·087dad3919566dc8951f60883cfdc6aa960dae784ce805e3fd31012e38fa844b·...·]8-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 245 | ····</span><span·class="p"·data-group-id=" | 245 | ····</span><span·class="p"·data-group-id="0146156678-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="0146156678-5">}</span><span·class="p">.</span></code></pre><ul><li>The·first·argument·is·the·internal·state·<code·class="inline">State</code>,·passed·from |
| Max diff block lines reached; 102363/153146 bytes (66.84%) of diff not shown. | |||
| Offset 144, 16 lines modified | Offset 144, 16 lines modified | ||
| 144 | fast·as·possible,·what·can·we·do?·One·way·could·be·to·generate·more | 144 | fast·as·possible,·what·can·we·do?·One·way·could·be·to·generate·more |
| 145 | than·two·bytes·at·the·time.</p><pre><code·class="text">%·erlperf·'rand:bytes(100).'·'crypto:strong_rand_bytes(100).' | 145 | than·two·bytes·at·the·time.</p><pre><code·class="text">%·erlperf·'rand:bytes(100).'·'crypto:strong_rand_bytes(100).' |
| 146 | Code···································||········QPS·······Time···Rel | 146 | Code···································||········QPS·······Time···Rel |
| 147 | rand:bytes(100).························1····2124·Ki·····470·ns··100% | 147 | rand:bytes(100).························1····2124·Ki·····470·ns··100% |
| 148 | crypto:strong_rand_bytes(100).··········1····1915·Ki·····522·ns···90%</code></pre><p><a·href="../../lib/stdlib-6.2.1/doc/html/rand.html#bytes/1"><code·class="inline">rand:bytes/1</code></a>·is·still·faster·when·we·generate·100·bytes·at·the·time, | 148 | crypto:strong_rand_bytes(100).··········1····1915·Ki·····522·ns···90%</code></pre><p><a·href="../../lib/stdlib-6.2.1/doc/html/rand.html#bytes/1"><code·class="inline">rand:bytes/1</code></a>·is·still·faster·when·we·generate·100·bytes·at·the·time, |
| 149 | but·the·relative·difference·is·smaller.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erlperf·'rand:bytes(1000).'·'crypto:strong_rand_bytes(1000).'</span><span·class="w"> | 149 | but·the·relative·difference·is·smaller.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erlperf·'rand:bytes(1000).'·'crypto:strong_rand_bytes(1000).'</span><span·class="w"> |
| 150 | </span><span·class="n">Code</span><span·class="w">····································</span><span·class="p">||</span><span·class="w">········</span><span·class="n">QPS</span><span·class="w">·······</span><span·class="n">Time</span><span·class="w">···</span><span·class="n">Rel</span><span·class="w"> | 150 | </span><span·class="n">Code</span><span·class="w">····································</span><span·class="p">||</span><span·class="w">········</span><span·class="n">QPS</span><span·class="w">·······</span><span·class="n">Time</span><span·class="w">···</span><span·class="n">Rel</span><span·class="w"> |
| 151 | </span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">strong_rand_bytes</span><span·class="p"·data-group-id=" | 151 | </span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">strong_rand_bytes</span><span·class="p"·data-group-id="4151271455-1">(</span><span·class="mi">1000</span><span·class="p"·data-group-id="4151271455-1">)</span><span·class="p">.</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">····</span><span·class="mi">1518</span><span·class="w">·</span><span·class="n">Ki</span><span·class="w">·····</span><span·class="mi">658</span><span·class="w">·</span><span·class="ss">ns</span><span·class="w">··</span><span·class="mi">100</span><span·class="c1">%</span><span·class="w"> |
| 152 | </span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">bytes</span><span·class="p"·data-group-id=" | 152 | </span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">bytes</span><span·class="p"·data-group-id="4151271455-2">(</span><span·class="mi">1000</span><span·class="p"·data-group-id="4151271455-2">)</span><span·class="p">.</span><span·class="w">························</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">284</span><span·class="w">·</span><span·class="n">Ki</span><span·class="w">····</span><span·class="mi">3521</span><span·class="w">·</span><span·class="ss">ns</span><span·class="w">···</span><span·class="mi">19</span><span·class="c1">%</span></code></pre><p>When·we·generate·1000·bytes·at·the·time,·<a·href="../../lib/crypto-5.5.3/doc/html/crypto.html#strong_rand_bytes/1"><code·class="inline">crypto:strong_rand_bytes/1</code></a>·is |
| 153 | now·the·fastest.</p><h2·id="benchmarking-using-erlang-otp-functionality"·class="section-heading"> | 153 | now·the·fastest.</p><h2·id="benchmarking-using-erlang-otp-functionality"·class="section-heading"> |
| 154 | ··<a·href="#benchmarking-using-erlang-otp-functionality"·class="hover-link"> | 154 | ··<a·href="#benchmarking-using-erlang-otp-functionality"·class="hover-link"> |
| 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 156 | ··</a> | 156 | ··</a> |
| 157 | ··<span·class="text">Benchmarking·using·Erlang/OTP·functionality</span> | 157 | ··<span·class="text">Benchmarking·using·Erlang/OTP·functionality</span> |
| 158 | </h2> | 158 | </h2> |
| 159 | <p>Benchmarks·can·measure·wall-clock·time·or·CPU·time.</p><ul><li><p><a·href="../../lib/stdlib-6.2.1/doc/html/timer.html#tc/3"><code·class="inline">timer:tc/3</code></a>·measures·wall-clock·time.·The·advantage·with·wall-clock·time·is | 159 | <p>Benchmarks·can·measure·wall-clock·time·or·CPU·time.</p><ul><li><p><a·href="../../lib/stdlib-6.2.1/doc/html/timer.html#tc/3"><code·class="inline">timer:tc/3</code></a>·measures·wall-clock·time.·The·advantage·with·wall-clock·time·is |
| Offset 219, 15 lines modified | Offset 219, 15 lines modified | ||
| 219 | ······<p·class="built-using"> | 219 | ······<p·class="built-using"> |
| 220 | ········Built·using | 220 | ········Built·using |
| 221 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 221 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 222 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 222 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 223 | ······</p> | 223 | ······</p> |
| 224 | <p>Copyright·©·1996-202 | 224 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 225 | ····</footer> | 225 | ····</footer> |
| 226 | ··</div> | 226 | ··</div> |
| 227 | </main> | 227 | </main> |
| 228 | </div> | 228 | </div> |
| 229 | <script> | 229 | <script> |
| 230 | ··function·mermaidLoaded()·{ | 230 | ··function·mermaidLoaded()·{ |
| 231 | ····mermaid.initialize({ | 231 | ····mermaid.initialize({ |
| Offset 114, 43 lines modified | Offset 114, 43 lines modified | ||
| 114 | ····<span>Constructing·and·Matching·Binaries</span> | 114 | ····<span>Constructing·and·Matching·Binaries</span> |
| 115 | ··</h1> | 115 | ··</h1> |
| 116 | <p>This·section·gives·a·few·examples·on·how·to·handle·binaries·in·an·efficient·way. | 116 | <p>This·section·gives·a·few·examples·on·how·to·handle·binaries·in·an·efficient·way. |
| 117 | The·sections·that·follow·take·an·in-depth·look·at·how·binaries·are·implemented | 117 | The·sections·that·follow·take·an·in-depth·look·at·how·binaries·are·implemented |
| 118 | and·how·to·best·take·advantages·of·the·optimizations·done·by·the·compiler·and | 118 | and·how·to·best·take·advantages·of·the·optimizations·done·by·the·compiler·and |
| 119 | runtime·system.</p><p>Binaries·can·be·efficiently·<em>built</em>·in·the·following·way:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id=" | 119 | runtime·system.</p><p>Binaries·can·be·efficiently·<em>built</em>·in·the·following·way:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id="1728061136-1">(</span><span·class="n">List</span><span·class="p"·data-group-id="1728061136-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 120 | ····</span><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id=" | 120 | ····</span><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id="1728061136-2">(</span><span·class="n">List</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1728061136-3"><<</span><span·class="p"·data-group-id="1728061136-3">>></span><span·class="p"·data-group-id="17280611[·...·truncated·by·diffoscope;·len:·2,·SHA:·76a50887d8f1c2e9301755428990ad81479ee21c25b43215cf524541e0503269·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 121 | </span><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id=" | 121 | </span><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id="1728061136-4">(</span><span·class="p"·data-group-id="1728061136-5">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="1728061136-5">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·59,·SHA:·527b454bd63bf1338ad6990a122ea4be65971c4a541402bf1426cbacbaf43bfc·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 122 | ····</span><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id=" | 122 | ····</span><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id="1728061136-6">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1728061136-7"><<</span><span·class="n">Acc</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·127,·SHA:·45acd1a6a182f4a560cd1420a87a4cadf0d8951f411097d7fd6f6f52dfe83d15·...·]-6">)</span><span·class="p">;</span><span·class="w"> |
| 123 | </span><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id=" | 123 | </span><span·class="nf">my_list_to_binary</span><span·class="p"·data-group-id="1728061136-8">(</span><span·class="p"·data-group-id="1728061136-9">[</span><span·class="p"·data-group-id="1728061136-9">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="1728061136-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 124 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>Appending·data·to·a·binary·as·in·the·example·is·efficient·because·it·is | 124 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>Appending·data·to·a·binary·as·in·the·example·is·efficient·because·it·is |
| 125 | specially·optimized·by·the·runtime·system·to·avoid·copying·the·<code·class="inline">Acc</code>·binary | 125 | specially·optimized·by·the·runtime·system·to·avoid·copying·the·<code·class="inline">Acc</code>·binary |
| 126 | every·time.</p><p>Prepending·data·to·a·binary·in·a·loop·is·not·efficient:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 126 | every·time.</p><p>Prepending·data·to·a·binary·in·a·loop·is·not·efficient:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="8062968014-1">(</span><span·class="n">List</span><span·class="p"·data-group-id="8062968014-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 127 | ····</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 127 | ····</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="8062968014-2">(</span><span·class="n">List</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8062968014-3"><<</span><span·class="p"·data-group-id="8062968014-3">>></span><span·class="p"·data-group-id="80629680[·...·truncated·by·diffoscope;·len:·2,·SHA:·8527a891e224136950ff32ca212b45bc93f69fbb801c3b1ebedac52775f99e61·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 128 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 128 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="8062968014-4">(</span><span·class="p"·data-group-id="8062968014-5">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="8062968014-5">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·59,·SHA:·26ce03a8f14958fed6fe5e6bb82d9b55cbc011448946e0dbda4b0f668a7eaf33·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 129 | ····</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 129 | ····</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="8062968014-6">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8062968014-7"><<</span><span·class="n">H</span><span·class="p">,</span><span·class="n">Acc</span><span·class="o">/</span><spa[·...·truncated·by·diffoscope;·len:·127,·SHA:·b8b6d9aaa10bf63c31070679c7a67660836a854077836b23da7c102c4ec46263·...·]-6">)</span><span·class="p">;</span><span·class="w"> |
| 130 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 130 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="8062968014-8">(</span><span·class="p"·data-group-id="8062968014-9">[</span><span·class="p"·data-group-id="8062968014-9">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="8062968014-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 131 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>This·is·not·efficient·for·long·lists·because·the·<code·class="inline">Acc</code>·binary·is·copied·every | 131 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>This·is·not·efficient·for·long·lists·because·the·<code·class="inline">Acc</code>·binary·is·copied·every |
| 132 | time.·One·way·to·make·the·function·more·efficient·is·like·this:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 132 | time.·One·way·to·make·the·function·more·efficient·is·like·this:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="0958739451-1">(</span><span·class="n">List</span><span·class="p"·data-group-id="0958739451-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 133 | ····</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 133 | ····</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="0958739451-2">(</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id="0958739451-3">(</span><span·class="n">List</span><span·class="p"·data-group-id="0958739451-3">)</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·192,·SHA:·b135f504a9697a8d18ba6803a6e9b57b96812af3a8b6a7ac377ac0b641445104·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 134 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="0958739451-5">(</span><span·class="p"·data-group-id="0958739451-6">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="0958739451-6">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·59,·SHA:·5805aa4dc47b058ecb2bfe1ccbc00e61de52a61a8cf03f2d25388fd9f3b18bdf·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 135 | ····</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 135 | ····</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="0958739451-7">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0958739451-8"><<</span><span·class="n">Acc</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·127,·SHA:·b1c49c4b92f4bae4cbe11128a38fb6996303532dec13b0c2f0cb3d90e747bd98·...·]-7">)</span><span·class="p">;</span><span·class="w"> |
| 136 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 136 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="0958739451-9">(</span><span·class="p"·data-group-id="0958739451-10">[</span><span·class="p"·data-group-id="0958739451-10">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="0958739451-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 137 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>Another·way·to·avoid·copying·the·binary·each·time·is·like·this:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 137 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>Another·way·to·avoid·copying·the·binary·each·time·is·like·this:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="9705304059-1">(</span><span·class="p"·data-group-id="9705304059-2">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="9705304059-2">]</span><span·class="p"·data-group-id="9705304059-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 138 | ····</span><span·class="n">RevTail</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id=" | 138 | ····</span><span·class="n">RevTail</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="9705304059-3">(</span><span·class="n">T</span><span·class="p"·data-group-id="9705304059-3">)</span><span·class="p">,</span><span·class="w"> |
| 139 | ····</span><span·class="p"·data-group-id=" | 139 | ····</span><span·class="p"·data-group-id="9705304059-4"><<</span><span·class="n">RevTail</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="n">H</span><span·class="p"·data-group-id="9705304059-4">>></span><span·class="p">;</span><span·class="w"> |
| 140 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="7445772246-5">(</span><span·class="p"·data-group-id="7445772246-6">[</span><span·class="p"·data-group-id="7445772246-6">]</span><span·class="p"·data-group-id="7445772246-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 141 | · | 140 | </span><span·class="nf">rev_list_to_binary</span><span·class="p"·data-group-id="9705304059-5">(</span><span·class="p"·data-group-id="9705304059-6">[</span><span·class="p"·data-group-id="9705304059-6">]</span><span·class="p"·data-group-id="9705304059-5">)</[·...·truncated·by·diffoscope;·len:·73,·SHA:·621e88e8c85b8c8ae926ada234cc8410560f2afe2a1d43185b41e518e5686898·...·] |
| 141 | ····</span><span·class="p"·data-group-id="9705304059-7"><<</span><span·class="p"·data-group-id="9705304059-7">>></span><span·class="p">.</span></code></pre><p>Note·that·in·each·of·the·<strong>DO</strong>·examples,·the·binary·to·be·appended·to·is·always | ||
| 142 | given·as·the·first·segment.</p><p>Binaries·can·be·efficiently·<em>matched</em>·in·the·following·way:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_binary_to_list</span><span·class="p"·data-group-id=" | 142 | given·as·the·first·segment.</p><p>Binaries·can·be·efficiently·<em>matched</em>·in·the·following·way:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_binary_to_list</span><span·class="p"·data-group-id="2052411208-1">(</span><span·class="p"·data-group-id="2052411208-2"><<</span><span·class="n">H</span><span·class="p">,</span><span·class="n">T</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p"·data-group-id="2052411208-2">>[·...·truncated·by·diffoscope;·len:·53,·SHA:·ad43610a1338426bda405b3df8fbd39f5fb2e6279a0fe9ddc328e4f5433258fc·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 143 | ····</span><span·class="p"·data-group-id=" | 143 | ····</span><span·class="p"·data-group-id="2052411208-3">[</span><span·class="n">H</span><span·class="p">|</span><span·class="nf">my_binary_to_list</span><span·class="p"·data-group-id="2052411208-4">(</span><span·class="n">T</span><span·class="p"·data-group-id="2052411208-4">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·26,·SHA:·3dcb8e9e5c83f5f6a24e562474cc1c2c064c495fae4259798d1b4206facc06de·...·]-3">]</span><span·class="p">;</span><span·class="w"> |
| 144 | </span><span·class="nf">my_binary_to_list</span><span·class="p"·data-group-id=" | 144 | </span><span·class="nf">my_binary_to_list</span><span·class="p"·data-group-id="2052411208-5">(</span><span·class="p"·data-group-id="2052411208-6"><<</span><span·class="p"·data-group-id="2052411208-6">>></span><span·class="p"·data-group-id="2052411208-5">)</span><span·class="w">·</span><span·class="p">-></span><span·cla[·...·truncated·by·diffoscope;·len:·109,·SHA:·942601a2e5ceaab39f5bd6dba8018c2dac3afc5a6fb7d665bcbe6b9da9689a4e·...·]-7">]</span><span·class="p">.</span></code></pre><h2·id="how-binaries-are-implemented"·class="section-heading"> |
| 145 | ··<a·href="#how-binaries-are-implemented"·class="hover-link"> | 145 | ··<a·href="#how-binaries-are-implemented"·class="hover-link"> |
| 146 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 146 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 147 | ··</a> | 147 | ··</a> |
| 148 | ··<span·class="text">How·Binaries·are·Implemented</span> | 148 | ··<span·class="text">How·Binaries·are·Implemented</span> |
| 149 | </h2> | 149 | </h2> |
| 150 | <p>Internally,·binaries·and·bitstrings·are·implemented·in·the·same·way.·In·this | 150 | <p>Internally,·binaries·and·bitstrings·are·implemented·in·the·same·way.·In·this |
| 151 | section,·they·are·called·<em>binaries</em>·because·that·is·what·they·are·called·in·the | 151 | section,·they·are·called·<em>binaries</em>·because·that·is·what·they·are·called·in·the |
| Offset 205, 29 lines modified | Offset 205, 29 lines modified | ||
| 205 | called·referential·transparency)·of·Erlang·would·break.</p><h2·id="constructing-binaries"·class="section-heading"> | 205 | called·referential·transparency)·of·Erlang·would·break.</p><h2·id="constructing-binaries"·class="section-heading"> |
| 206 | ··<a·href="#constructing-binaries"·class="hover-link"> | 206 | ··<a·href="#constructing-binaries"·class="hover-link"> |
| 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 208 | ··</a> | 208 | ··</a> |
| 209 | ··<span·class="text">Constructing·Binaries</span> | 209 | ··<span·class="text">Constructing·Binaries</span> |
| 210 | </h2> | 210 | </h2> |
| 211 | <p>Appending·to·a·binary·or·bitstring·in·the·following·way·is·specially·optimized | 211 | <p>Appending·to·a·binary·or·bitstring·in·the·following·way·is·specially·optimized |
| 212 | to·avoid·copying·the·binary:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 212 | to·avoid·copying·the·binary:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6296139766-1"><<</span><span·class="n">Binary</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·17,·SHA:·3efc6f6a81174ab3f64a71ac797fd1a1ebd48057bd83f212d0b0a9cc94e18433·...·]-1">>></span><span·class="w"> |
| 213 | </span><span·class="c1">%%·-·OR·-</span><span·class="w"> | 213 | </span><span·class="c1">%%·-·OR·-</span><span·class="w"> |
| 214 | </span><span·class="p"·data-group-id=" | 214 | </span><span·class="p"·data-group-id="6296139766-2"><<</span><span·class="n">Binary</span><span·class="o">/</span><span·class="ss">bitstring</span><span·class="p">,</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·97541e678cbe5dc4630776e7cc1df5100f894156d8f7ced54766bbd57181e681·...·]-2">>></span></code></pre><p>This·optimization·is·applied·by·the·runtime·system·in·a·way·that·makes·it |
| 215 | effective·in·most·circumstances·(for·exceptions,·see | 215 | effective·in·most·circumstances·(for·exceptions,·see |
| 216 | <a·href="binaryhandling.html#forced_copying">Circumstances·That·Force·Copying</a>).·The | 216 | <a·href="binaryhandling.html#forced_copying">Circumstances·That·Force·Copying</a>).·The |
| 217 | optimization·in·its·basic·form·does·not·need·any·help·from·the·compiler. | 217 | optimization·in·its·basic·form·does·not·need·any·help·from·the·compiler. |
| 218 | However,·the·compiler·add·hints·to·the·runtime·system·when·it·is·safe·to·apply | 218 | However,·the·compiler·add·hints·to·the·runtime·system·when·it·is·safe·to·apply |
| 219 | the·optimization·in·a·more·efficient·way.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>The·compiler·support·for·making·the·optimization·more·efficient·was·added·in | 219 | the·optimization·in·a·more·efficient·way.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>The·compiler·support·for·making·the·optimization·more·efficient·was·added·in |
| 220 | Erlang/OTP·26.</p></section><p>To·explain·how·the·basic·optimization·works,·let·us·examine·the·following·code | 220 | Erlang/OTP·26.</p></section><p>To·explain·how·the·basic·optimization·works,·let·us·examine·the·following·code |
| 221 | line·by·line:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 221 | line·by·line:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6283047010-1"><<</span><span·class="mi">0</span><span·class="p"·data-group-id="6283047010-1">>></span><span·class="p">,</span><span·class="w">····················</span><span·class="c1">%%·1</span><span·class="w"> |
| 222 | </span><span·class="n">Bin1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 222 | </span><span·class="n">Bin1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6283047010-2"><<</span><span·class="n">Bin0</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·546cd96842d0bf477221d7df4894daa3941b7d3c88ebe7efb12092fc8abc30d5·...·]-2">>></span><span·class="p">,</span><span·class="w">····</span><span·class="c1">%%·2</span><span·class="w"> |
| 223 | </span><span·class="n">Bin2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 223 | </span><span·class="n">Bin2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6283047010-3"><<</span><span·class="n">Bin1</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">6</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·546cd96842d0bf477221d7df4894daa3941b7d3c88ebe7efb12092fc8abc30d5·...·]-3">>></span><span·class="p">,</span><span·class="w">····</span><span·class="c1">%%·3</span><span·class="w"> |
| 224 | </span><span·class="n">Bin3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 224 | </span><span·class="n">Bin3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6283047010-4"><<</span><span·class="n">Bin2</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="mi">7</span><span·class="p">,</span><span·class="mi">8</span><span·class="p">,</span><span·class="mi">9</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·546cd96842d0bf477221d7df4894daa3941b7d3c88ebe7efb12092fc8abc30d5·...·]-4">>></span><span·class="p">,</span><span·class="w">····</span><span·class="c1">%%·4</span><span·class="w"> |
| 225 | </span><span·class="n">Bin4</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 225 | </span><span·class="n">Bin4</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6283047010-5"><<</span><span·class="n">Bin1</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="mi">17</span><span·class="p"·data-group-id="6283047010-5">>></span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%%·5·!!!</span><span·class="w"> |
| 226 | </span><span·class="p"·data-group-id=" | 226 | </span><span·class="p"·data-group-id="6283047010-6">{</span><span·class="n">Bin4</span><span·class="p">,</span><span·class="n">Bin3</span><span·class="p"·data-group-id="6283047010-6">}</span><span·class="w">······················</span><span·class="c1">%%·6</span></code></pre><ul><li><p>Line·1·(marked·with·the·<code·class="inline">%%·1</code>·comment),·assigns·a |
| 227 | <a·href="binaryhandling.html#heap_binary">heap·binary</a>·to·the·<code·class="inline">Bin0</code>·variable.</p></li><li><p>Line·2·is·an·append·operation.·As·<code·class="inline">Bin0</code>·has·not·been·involved·in·an·append | 227 | <a·href="binaryhandling.html#heap_binary">heap·binary</a>·to·the·<code·class="inline">Bin0</code>·variable.</p></li><li><p>Line·2·is·an·append·operation.·As·<code·class="inline">Bin0</code>·has·not·been·involved·in·an·append |
| 228 | operation,·a·new·<a·href="binaryhandling.html#refc_binary">refc·binary</a>·is·created·and | 228 | operation,·a·new·<a·href="binaryhandling.html#refc_binary">refc·binary</a>·is·created·and |
| 229 | the·contents·of·<code·class="inline">Bin0</code>·is·copied·into·it.·The·<em>ProcBin</em>·part·of·the·refc | 229 | the·contents·of·<code·class="inline">Bin0</code>·is·copied·into·it.·The·<em>ProcBin</em>·part·of·the·refc |
| 230 | binary·has·its·size·set·to·the·size·of·the·data·stored·in·the·binary,·while | 230 | binary·has·its·size·set·to·the·size·of·the·data·stored·in·the·binary,·while |
| 231 | the·binary·object·has·extra·space·allocated.·The·size·of·the·binary·object·is | 231 | the·binary·object·has·extra·space·allocated.·The·size·of·the·binary·object·is |
| 232 | either·twice·the·size·of·<code·class="inline">Bin1</code>·or·256,·whichever·is·larger.·In·this·case·it | 232 | either·twice·the·size·of·<code·class="inline">Bin1</code>·or·256,·whichever·is·larger.·In·this·case·it |
| 233 | is·256.</p></li><li><p>Line·3·is·more·interesting.·<code·class="inline">Bin1</code>·<em>has</em>·been·used·in·an·append·operation,·and | 233 | is·256.</p></li><li><p>Line·3·is·more·interesting.·<code·class="inline">Bin1</code>·<em>has</em>·been·used·in·an·append·operation,·and |
| Offset 253, 23 lines modified | Offset 253, 23 lines modified | ||
| 253 | handle·an·append·operation·to·a·heap·binary·by·copying·it·to·a·refc·binary·(line | 253 | handle·an·append·operation·to·a·heap·binary·by·copying·it·to·a·refc·binary·(line |
| 254 | 2),·and·also·handle·an·append·operation·to·a·previous·version·of·the·binary·by | 254 | 2),·and·also·handle·an·append·operation·to·a·previous·version·of·the·binary·by |
| 255 | copying·it·(line·5).·The·support·for·doing·that·does·not·come·for·free.·For | 255 | copying·it·(line·5).·The·support·for·doing·that·does·not·come·for·free.·For |
| 256 | example,·to·make·it·possible·to·know·when·it·is·necessary·to·copy·the·binary, | 256 | example,·to·make·it·possible·to·know·when·it·is·necessary·to·copy·the·binary, |
| 257 | for·every·append·operation,·the·runtime·system·must·create·a·sub·binary.</p><p>When·the·compiler·can·determine·that·none·of·those·situations·need·to·be·handled | 257 | for·every·append·operation,·the·runtime·system·must·create·a·sub·binary.</p><p>When·the·compiler·can·determine·that·none·of·those·situations·need·to·be·handled |
| 258 | and·that·the·append·operation·cannot·possibly·fail,·the·compiler·generates·code | 258 | and·that·the·append·operation·cannot·possibly·fail,·the·compiler·generates·code |
| 259 | that·causes·the·runtime·system·to·apply·a·more·efficient·variant·of·the | 259 | that·causes·the·runtime·system·to·apply·a·more·efficient·variant·of·the |
| 260 | optimization.</p><p><strong>Example:</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="9342854362-1">(</span><span·class="ss">repack</span><span·class="p"·data-group-id="9342854362-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 261 | </ | 260 | optimization.</p><p><strong>Example:</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7459706538-1">(</span><span·class="ss">repack</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·21,·SHA:·fe4b8ff7cf7fd88cdbc5623235e1186605903fb5a11609bbab1bf5b3e0382500·...·]">)</span><span·class="p">.</span><span·class="w"> |
| 261 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7459706538-2">(</span><span·class="p"·data-group-id="7459706538-3">[</span><span·class="ss">repack</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="7459706538-3">]</span><span·class="p"·data-group-id="7459706538-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 262 | </span><span·class="nf">repack</span><span·class="p"·data-group-id=" | 262 | </span><span·class="nf">repack</span><span·class="p"·data-group-id="7459706538-4">(</span><span·class="n">Bin</span><span·class="p"·data-group-id="7459706538-4">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_binary</span><span·class="p"·data-group-id="7459706538-5">(<[·...·truncated·by·diffoscope;·len:·73,·SHA:·e1c89e9aa275694b0e109124df91431f7b5cf9bae391f1ab47455b640c8d9d11·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 263 | ····</span><span·class="nf">repack</span><span·class="p"·data-group-id=" | 263 | ····</span><span·class="nf">repack</span><span·class="p"·data-group-id="7459706538-6">(</span><span·class="n">Bin</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7459706538-7"><<</span><span·class="p"·data-group-id="7459706538-7">>></span><span·class="p"·data-group-id="745970653[·...·truncated·by·diffoscope;·len:·1,·SHA:·2c624232cdd221771294dfbb310aca000a0df6ac8b66b696d90ef06fdefb64a3·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 264 | </span><span·class="nf">repack</span><span·class="p"·data-group-id=" | 264 | </span><span·class="nf">repack</span><span·class="p"·data-group-id="7459706538-8">(</span><span·class="p"·data-group-id="7459706538-9"><<</span><span·class="n">C</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="n">T</span><span·class="o">/</span><span·class="ss">binary</span[·...·truncated·by·diffoscope;·len:·179,·SHA:·3eeb41c5008cf01438a56ad2a7b460b9d251eabb98f5222c84b8f0932001333c·...·]-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 265 | ····</span><span·class="nf">repack</span><span·class="p"·data-group-id=" | 265 | ····</span><span·class="nf">repack</span><span·class="p"·data-group-id="7459706538-10">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7459706538-11"><<</span><span·class="n">Result</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·183,·SHA:·9c88dc985b392f7d040a456522cf18c5a89b6adda77d826d04486f263e08157b·...·]-10">)</span><span·class="p">;</span><span·class="w"> |
| 266 | </span><span·class="nf">repack</span><span·class="p"·data-group-id=" | 266 | </span><span·class="nf">repack</span><span·class="p"·data-group-id="7459706538-12">(</span><span·class="p"·data-group-id="7459706538-13"><<</span><span·class="p"·data-group-id="7459706538-13">>></span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</span><span·class="p"·data-group-id="745[·...·truncated·by·diffoscope;·len:·7,·SHA:·49b04144f599ee71e282677c014fa97cfc7b638e32e4c9afb439b58d5bdb739e·...·]-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 267 | ····</span><span·class="n">Result</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">repack/2</code>·function·only·keeps·a·single·version·of·the·binary,·so·there·is | 267 | ····</span><span·class="n">Result</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">repack/2</code>·function·only·keeps·a·single·version·of·the·binary,·so·there·is |
| 268 | never·any·need·to·copy·the·binary.·The·compiler·rewrites·the·creation·of·the | 268 | never·any·need·to·copy·the·binary.·The·compiler·rewrites·the·creation·of·the |
| 269 | empty·binary·in·<code·class="inline">repack/1</code>·to·instead·create·a·refc·binary·with·256·bytes | 269 | empty·binary·in·<code·class="inline">repack/1</code>·to·instead·create·a·refc·binary·with·256·bytes |
| 270 | already·reserved;·thus,·the·append·operation·in·<code·class="inline">repack/2</code>·never·needs·to·handle | 270 | already·reserved;·thus,·the·append·operation·in·<code·class="inline">repack/2</code>·never·needs·to·handle |
| 271 | a·binary·not·prepared·for·appending.</p><p><a·href=""·id="forced_copying"></a></p><h3·id="circumstances-that-force-copying"·class="section-heading"> | 271 | a·binary·not·prepared·for·appending.</p><p><a·href=""·id="forced_copying"></a></p><h3·id="circumstances-that-force-copying"·class="section-heading"> |
| 272 | ··<a·href="#circumstances-that-force-copying"·class="hover-link"> | 272 | ··<a·href="#circumstances-that-force-copying"·class="hover-link"> |
| 273 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 273 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 281 | reason·is·that·the·binary·object·can·be·moved·(reallocated)·during·an·append | 281 | reason·is·that·the·binary·object·can·be·moved·(reallocated)·during·an·append |
| 282 | operation,·and·when·that·happens,·the·pointer·in·the·ProcBin·must·be·updated.·If | 282 | operation,·and·when·that·happens,·the·pointer·in·the·ProcBin·must·be·updated.·If |
| 283 | there·would·be·more·than·one·ProcBin·pointing·to·the·binary·object,·it·would·not | 283 | there·would·be·more·than·one·ProcBin·pointing·to·the·binary·object,·it·would·not |
| 284 | be·possible·to·find·and·update·all·of·them.</p><p>Therefore,·certain·operations·on·a·binary·mark·it·so·that·any·future·append | 284 | be·possible·to·find·and·update·all·of·them.</p><p>Therefore,·certain·operations·on·a·binary·mark·it·so·that·any·future·append |
| 285 | operation·will·be·forced·to·copy·the·binary.·In·most·cases,·the·binary·object | 285 | operation·will·be·forced·to·copy·the·binary.·In·most·cases,·the·binary·object |
| 286 | will·be·shrunk·at·the·same·time·to·reclaim·the·extra·space·allocated·for | 286 | will·be·shrunk·at·the·same·time·to·reclaim·the·extra·space·allocated·for |
| 287 | growing.</p><p>When·appending·to·a·binary·as·follows,·only·the·binary·returned·from·the·latest | 287 | growing.</p><p>When·appending·to·a·binary·as·follows,·only·the·binary·returned·from·the·latest |
| 288 | append·operation·will·support·further·cheap·append·operations:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4 | 288 | append·operation·will·support·further·cheap·append·operations:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4851581119-1"><<</span><span·class="n">Bin0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="4851581119-1">>></span></code></pre><p>In·the·code·fragment·in·the·beginning·of·this·section,·appending·to·<code·class="inline">Bin</code>·will |
| 289 | be·cheap,·while·appending·to·<code·class="inline">Bin0</code>·will·force·the·creation·of·a·new·binary·and | 289 | be·cheap,·while·appending·to·<code·class="inline">Bin0</code>·will·force·the·creation·of·a·new·binary·and |
| 290 | copying·of·the·contents·of·<code·class="inline">Bin0</code>.</p><p>If·a·binary·is·sent·as·a·message·to·a·process·or·port,·the·binary·will·be·shrunk | 290 | copying·of·the·contents·of·<code·class="inline">Bin0</code>.</p><p>If·a·binary·is·sent·as·a·message·to·a·process·or·port,·the·binary·will·be·shrunk |
| 291 | and·any·further·append·operation·will·copy·the·binary·data·into·a·new·binary. | 291 | and·any·further·append·operation·will·copy·the·binary·data·into·a·new·binary. |
| 292 | For·example,·in·the·following·code·fragment·<code·class="inline">Bin1</code>·will·be·copied·in·the·third | 292 | For·example,·in·the·following·code·fragment·<code·class="inline">Bin1</code>·will·be·copied·in·the·third |
| 293 | line:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 293 | line:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9835091101-1"><<</span><span·class="n">Bin0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="9835091101-1">>></span><span·class="p">,</span><span·class="w"> |
| 294 | </span><span·class="n">PortOrPid</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="n">Bin1</span><span·class="p">,</span><span·class="w"> | 294 | </span><span·class="n">PortOrPid</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="n">Bin1</span><span·class="p">,</span><span·class="w"> |
| 295 | </span><span·class="n">Bin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 295 | </span><span·class="n">Bin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9835091101-2"><<</span><span·class="n">Bin1</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="9835091101-2">>></span><span·class="w">··</span><span·class="c1">%%·Bin1·will·be·COPIED</span></code></pre><p>The·same·happens·if·you·insert·a·binary·into·an·Ets·table,·send·it·to·a·port |
| 296 | using·<a·href="../../erts-15.2.3/doc/html/erlang.html#port_command/2"><code·class="inline">erlang:port_command/2</code></a>,·or·pass·it·to | 296 | using·<a·href="../../erts-15.2.3/doc/html/erlang.html#port_command/2"><code·class="inline">erlang:port_command/2</code></a>,·or·pass·it·to |
| 297 | <a·href="../../erts-15.2.3/doc/html/erl_nif.html#enif_inspect_binary">enif_inspect_binary</a>·in·a·NIF.</p><p>Matching·a·binary·will·also·cause·it·to·shrink·and·the·next·append·operation | 297 | <a·href="../../erts-15.2.3/doc/html/erl_nif.html#enif_inspect_binary">enif_inspect_binary</a>·in·a·NIF.</p><p>Matching·a·binary·will·also·cause·it·to·shrink·and·the·next·append·operation |
| 298 | will·copy·the·binary·data:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 298 | will·copy·the·binary·data:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5637981138-1"><<</span><span·class="n">Bin0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="5637981138-1">>></span><span·class="p">,</span><span·class="w"> |
| 299 | </span><span·class="p"·data-group-id=" | 299 | </span><span·class="p"·data-group-id="5637981138-2"><<</span><span·class="n">X</span><span·class="p">,</span><span·class="n">Y</span><span·class="p">,</span><span·class="n">Z</span><span·class="p">,</span><span·class="n">T</span><span·class="o">/</span><span·class="ss">binary</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·807fdc649b9efdc45de28e8cf96775390d656d5caafbd829f0e95c6654c271f2·...·]-2">>></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Bin1</span><span·class="p">,</span><span·class="w"> |
| 300 | </span><span·class="n">Bin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 300 | </span><span·class="n">Bin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5637981138-3"><<</span><span·class="n">Bin1</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="5637981138-3">>></span><span·class="w">··</span><span·class="c1">%%·Bin1·will·be·COPIED</span></code></pre><p>The·reason·is·that·a·<a·href="binaryhandling.html#match_context">match·context</a>·contains·a |
| 301 | direct·pointer·to·the·binary·data.</p><p>If·a·process·simply·keeps·binaries·(either·in·"loop·data"·or·in·the·process | 301 | direct·pointer·to·the·binary·data.</p><p>If·a·process·simply·keeps·binaries·(either·in·"loop·data"·or·in·the·process |
| 302 | dictionary),·the·garbage·collector·can·eventually·shrink·the·binaries.·If·only | 302 | dictionary),·the·garbage·collector·can·eventually·shrink·the·binaries.·If·only |
| 303 | one·such·binary·is·kept,·it·will·not·be·shrunk.·If·the·process·later·appends·to | 303 | one·such·binary·is·kept,·it·will·not·be·shrunk.·If·the·process·later·appends·to |
| 304 | a·binary·that·has·been·shrunk,·the·binary·object·will·be·reallocated·to·make | 304 | a·binary·that·has·been·shrunk,·the·binary·object·will·be·reallocated·to·make |
| 305 | place·for·the·data·to·be·appended.</p><h2·id="matching-binaries"·class="section-heading"> | 305 | place·for·the·data·to·be·appended.</p><h2·id="matching-binaries"·class="section-heading"> |
| 306 | ··<a·href="#matching-binaries"·class="hover-link"> | 306 | ··<a·href="#matching-binaries"·class="hover-link"> |
| 307 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 307 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 119 | ··<a·href="#introduction"·class="hover-link"> | 119 | ··<a·href="#introduction"·class="hover-link"> |
| 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 121 | ··</a> | 121 | ··</a> |
| 122 | ··<span·class="text">Introduction</span> | 122 | ··<span·class="text">Introduction</span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>The·complete·specification·for·the·bit·syntax·appears·in·the | 124 | <p>The·complete·specification·for·the·bit·syntax·appears·in·the |
| 125 | <a·href="../../doc/system/expressions.html#bit-syntax-expressions">Reference·Manual</a>.</p><p>In·Erlang,·a·Bin·is·used·for·constructing·binaries·and·matching·binary·patterns. | 125 | <a·href="../../doc/system/expressions.html#bit-syntax-expressions">Reference·Manual</a>.</p><p>In·Erlang,·a·Bin·is·used·for·constructing·binaries·and·matching·binary·patterns. |
| 126 | A·Bin·is·written·with·the·following·syntax:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 126 | A·Bin·is·written·with·the·following·syntax:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0254367912-1"><<</span><span·class="n">E1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E2</span><span·class="p">,</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·cla[·...·truncated·by·diffoscope;·len:·81,·SHA:·a17b22aa3df0f044e73f374509c37cb591e71ad02c336b44421ea1c7169ee82d·...·]-1">>></span></code></pre><p>A·Bin·is·a·low-level·sequence·of·bits·or·bytes.·The·purpose·of·a·Bin·is·to |
| 127 | enable·construction·of·binaries:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0 | 127 | enable·construction·of·binaries:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1011386151-1"><<</span><span·class="n">E1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E2</span><span·class="p">,</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·cla[·...·truncated·by·diffoscope;·len:·582,·SHA:·19b04a0a5ca5c2334b5a2a93bf562c389d6100294ceb080434dc05cb377d479b·...·]-1">>></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Bin</span></code></pre><p>Here,·<code·class="inline">Bin</code>·is·bound·and·the·elements·are·bound·or·unbound,·as·in·any·match.</p><p>A·Bin·does·not·need·to·consist·of·a·whole·number·of·bytes.</p><p>A·<em>bitstring</em>·is·a·sequence·of·zero·or·more·bits,·where·the·number·of·bits·does |
| 128 | not·need·to·be·divisible·by·8.·If·the·number·of·bits·is·divisible·by·8,·the | 128 | not·need·to·be·divisible·by·8.·If·the·number·of·bits·is·divisible·by·8,·the |
| 129 | bitstring·is·also·a·binary.</p><p>Each·element·specifies·a·certain·<em>segment</em>·of·the·bitstring.·A·segment·is·a·set | 129 | bitstring·is·also·a·binary.</p><p>Each·element·specifies·a·certain·<em>segment</em>·of·the·bitstring.·A·segment·is·a·set |
| 130 | of·contiguous·bits·of·the·binary·(not·necessarily·on·a·byte·boundary).·The·first | 130 | of·contiguous·bits·of·the·binary·(not·necessarily·on·a·byte·boundary).·The·first |
| 131 | element·specifies·the·initial·segment,·the·second·element·specifies·the | 131 | element·specifies·the·initial·segment,·the·second·element·specifies·the |
| 132 | following·segment,·and·so·on.</p><p>The·following·examples·illustrate·how·binaries·are·constructed,·or·matched,·and | 132 | following·segment,·and·so·on.</p><p>The·following·examples·illustrate·how·binaries·are·constructed,·or·matched,·and |
| 133 | how·elements·and·tails·are·specified.</p><h3·id="examples"·class="section-heading"> | 133 | how·elements·and·tails·are·specified.</p><h3·id="examples"·class="section-heading"> |
| 134 | ··<a·href="#examples"·class="hover-link"> | 134 | ··<a·href="#examples"·class="hover-link"> |
| 135 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 135 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 136 | ··</a> | 136 | ··</a> |
| 137 | ··<span·class="text">Examples</span> | 137 | ··<span·class="text">Examples</span> |
| 138 | </h3> | 138 | </h3> |
| 139 | <p><em>Example·1:</em>·A·binary·can·be·constructed·from·a·set·of·constants·or·a·string | 139 | <p><em>Example·1:</em>·A·binary·can·be·constructed·from·a·set·of·constants·or·a·string |
| 140 | literal:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin11</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 140 | literal:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bin11</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1804467038-1"><<</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">17</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">42</span><span·class="p"·data-group-id="1804467038-1">>></span><span·class="p">,</span><span·class="w"> |
| 141 | </span><span·class="n">Bin12</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 141 | </span><span·class="n">Bin12</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1804467038-2"><<</span><span·class="s">"abc"</span><span·class="p"·data-group-id="1804467038-2">>></span></code></pre><p>This·gives·two·binaries·of·size·3,·with·the·following·evaluations:</p><ul><li><a·href="../../erts-15.2.3/doc/html/erlang.html#binary_to_list/1"><code·class="inline">binary_to_list(Bin11)</code></a>·evaluates·to·<code·class="inline">[1,·17,·42]</code>.</li><li><a·href="../../erts-15.2.3/doc/html/erlang.html#binary_to_list/1"><code·class="inline">binary_to_list(Bin12)</code></a>·evaluates·to·<code·class="inline">[97,·98,·99]</code>.</li></ul><p><em>Example·2:</em>Similarly,·a·binary·can·be·constructed·from·a·set·of·bound |
| 142 | variables:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">B</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">17</span><span·class="p">,</span><span·class="w">·</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="p">,</span><span·class="w"> | 142 | variables:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">B</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">17</span><span·class="p">,</span><span·class="w">·</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="p">,</span><span·class="w"> |
| 143 | </span><span·class="n">Bin2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9 | 143 | </span><span·class="n">Bin2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9348817648-1"><<</span><span·class="n">A</span><span·class="p">,</span><span·class="w">·</span><span·class="n">B</span><span·class="p">,</span><span·class="w">·</span><span·class="n">C</span><span·class="p">:</span><span·class="mi">16</span><span·clas[·...·truncated·by·diffoscope;·len:·31,·SHA:·9460fdf8aea0efe98e48520d31debba33fcad707443faf75b0bdc39c2e3e1390·...·]-1">>></span></code></pre><p>This·gives·a·binary·of·size·4.·Here,·a·<em>size·expression</em>·is·used·for·the |
| 144 | variable·<code·class="inline">C</code>·to·specify·a·16-bits·segment·of·<code·class="inline">Bin2</code>.</p><p><a·href="../../erts-15.2.3/doc/html/erlang.html#binary_to_list/1"><code·class="inline">binary_to_list(Bin2)</code></a>·evaluates·to·<code·class="inline">[1,·17,·00,·42]</code>.</p><p><em>Example·3:</em>·A·Bin·can·also·be·used·for·matching.·<code·class="inline">D</code>,·<code·class="inline">E</code>,·and·<code·class="inline">F</code>·are·unbound | 144 | variable·<code·class="inline">C</code>·to·specify·a·16-bits·segment·of·<code·class="inline">Bin2</code>.</p><p><a·href="../../erts-15.2.3/doc/html/erlang.html#binary_to_list/1"><code·class="inline">binary_to_list(Bin2)</code></a>·evaluates·to·<code·class="inline">[1,·17,·00,·42]</code>.</p><p><em>Example·3:</em>·A·Bin·can·also·be·used·for·matching.·<code·class="inline">D</code>,·<code·class="inline">E</code>,·and·<code·class="inline">F</code>·are·unbound |
| 145 | variables,·and·<code·class="inline">Bin2</code>·is·bound,·as·in·Example·2:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 145 | variables,·and·<code·class="inline">Bin2</code>·is·bound,·as·in·Example·2:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6725769355-1"><<</span><span·class="n">D</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="p">,</span><span·class="w">·</span><span·class="n">F</span><span·cla[·...·truncated·by·diffoscope;·len:·86,·SHA:·9d79da6ca465a72f846d073dc828cc5c08f8fd93fc2fb4192dc36693dc10dee3·...·]-1">>></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Bin2</span></code></pre><p>This·gives·<code·class="inline">D·=·273</code>,·<code·class="inline">E·=·00</code>,·and·F·binds·to·a·binary·of·size·1: |
| 146 | <code·class="inline">binary_to_list(F)·=·[42]</code>.</p><p><em>Example·4:</em>·The·following·is·a·more·elaborate·example·of·matching.·Here, | 146 | <code·class="inline">binary_to_list(F)·=·[42]</code>.</p><p><em>Example·4:</em>·The·following·is·a·more·elaborate·example·of·matching.·Here, |
| 147 | <code·class="inline">Dgram</code>·is·bound·to·the·consecutive·bytes·of·an·IP·datagram·of·IP·protocol | 147 | <code·class="inline">Dgram</code>·is·bound·to·the·consecutive·bytes·of·an·IP·datagram·of·IP·protocol |
| 148 | version·4.·The·ambition·is·to·extract·the·header·and·the·data·of·the·datagram:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 148 | version·4.·The·ambition·is·to·extract·the·header·and·the·data·of·the·datagram:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="4982527168-1">(</span><span·class="n">IP_VERSION</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">4</span><span·class="p"·data-group-id="4982527168-1">)</span><span·class="p">.</span><span·class="w"> |
| 149 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 149 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="4982527168-2">(</span><span·class="n">IP_MIN_HDR_LEN</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">5</span><span·class="p"·data-group-id="4982527168-2">)</span><span·class="p">.</span><span·class="w"> |
| 150 | </span><span·class="n">DgramSize</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">byte_size</span><span·class="p"·data-group-id=" | 150 | </span><span·class="n">DgramSize</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">byte_size</span><span·class="p"·data-group-id="4982527168-3">(</span><span·class="n">Dgram</span><span·class="p"·data-group-id="4982527168-3">)</span><span·class="p">,</span><span·class="w"> |
| 151 | </span><span·class="k">case</span><span·class="w">·</span><span·class="n">Dgram</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 151 | </span><span·class="k">case</span><span·class="w">·</span><span·class="n">Dgram</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 152 | ····</span><span·class="p"·data-group-id=" | 152 | ····</span><span·class="p"·data-group-id="4982527168-4"><<</span><span·class="o">?</span><span·class="n">IP_VERSION</span><span·class="p">:</span><span·class="mi">4</span><span·class="p">,</span><span·class="w">·</span><span·class="n">HLen</span><span·class="p">:</span><span·class="mi">4</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SrvcType</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TotLen</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">,</span><span·class="w"> |
| 153 | ······</span><span·class="n">ID</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Flgs</span><span·class="p">:</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">FragOff</span><span·class="p">:</span><span·class="mi">13</span><span·class="p">,</span><span·class="w"> | 153 | ······</span><span·class="n">ID</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Flgs</span><span·class="p">:</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">FragOff</span><span·class="p">:</span><span·class="mi">13</span><span·class="p">,</span><span·class="w"> |
| 154 | ······</span><span·class="n">TTL</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Proto</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="w">·</span><span·class="n">HdrChkSum</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">,</span><span·class="w"> | 154 | ······</span><span·class="n">TTL</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Proto</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="w">·</span><span·class="n">HdrChkSum</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">,</span><span·class="w"> |
| 155 | ······</span><span·class="n">SrcIP</span><span·class="p">:</span><span·class="mi">32</span><span·class="p">,</span><span·class="w"> | 155 | ······</span><span·class="n">SrcIP</span><span·class="p">:</span><span·class="mi">32</span><span·class="p">,</span><span·class="w"> |
| 156 | ······</span><span·class="n">DestIP</span><span·class="p">:</span><span·class="mi">32</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RestDgram</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p"·data-group-id=" | 156 | ······</span><span·class="n">DestIP</span><span·class="p">:</span><span·class="mi">32</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RestDgram</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p"·data-group-id="4982527168-4">>></span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">HLen</span><span·class="o">>=</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">4</span><span·class="o">*</span><span·class="n">HLen</span><span·class="o">=<</span><span·class="n">DgramSize</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 157 | ········</span><span·class="n">OptsLen</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">4</span><span·class="o">*</span><span·class="p"·data-group-id=" | 157 | ········</span><span·class="n">OptsLen</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">4</span><span·class="o">*</span><span·class="p"·data-group-id="4982527168-5">(</span><span·class="n">HLen</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">?</span><span·class="n">IP_MIN_HDR_LEN</span><span·class="p"·data-group-id="4982527168-5">)</span><span·class="p">,</span><span·class="w"> |
| 158 | ········</span><span·class="p"·data-group-id=" | 158 | ········</span><span·class="p"·data-group-id="4982527168-6"><<</span><span·class="n">Opts</span><span·class="p">:</span><span·class="n">OptsLen</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="n">Data</span><span·class="o">/</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·54,·SHA:·351dfa9e9d53a01e1e91cadcb3f73324d7e2477aaa3385bceca4f9cb61abdee1·...·]-6">>></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">RestDgram</span><span·class="p">,</span><span·class="w"> |
| 159 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 159 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 160 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Here,·the·segment·corresponding·to·the·<code·class="inline">Opts</code>·variable·has·a·<em>type·modifier</em>, | 160 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Here,·the·segment·corresponding·to·the·<code·class="inline">Opts</code>·variable·has·a·<em>type·modifier</em>, |
| 161 | specifying·that·<code·class="inline">Opts</code>·is·to·bind·to·a·binary.·All·other·variables·have·the | 161 | specifying·that·<code·class="inline">Opts</code>·is·to·bind·to·a·binary.·All·other·variables·have·the |
| 162 | default·type·equal·to·unsigned·integer.</p><p>An·IP·datagram·header·is·of·variable·length.·This·length·is·measured·in·the | 162 | default·type·equal·to·unsigned·integer.</p><p>An·IP·datagram·header·is·of·variable·length.·This·length·is·measured·in·the |
| 163 | number·of·32-bit·words·and·is·given·in·the·segment·corresponding·to·<code·class="inline">HLen</code>.·The | 163 | number·of·32-bit·words·and·is·given·in·the·segment·corresponding·to·<code·class="inline">HLen</code>.·The |
| 164 | minimum·value·of·<code·class="inline">HLen</code>·is·5.·It·is·the·segment·corresponding·to·<code·class="inline">Opts</code>·that·is | 164 | minimum·value·of·<code·class="inline">HLen</code>·is·5.·It·is·the·segment·corresponding·to·<code·class="inline">Opts</code>·that·is |
| 165 | variable,·so·if·<code·class="inline">HLen</code>·is·equal·to·5,·<code·class="inline">Opts</code>·becomes·an·empty·binary.</p><p>The·tail·variables·<code·class="inline">RestDgram</code>·and·<code·class="inline">Data</code>·bind·to·binaries,·as·all·tail | 165 | variable,·so·if·<code·class="inline">HLen</code>·is·equal·to·5,·<code·class="inline">Opts</code>·becomes·an·empty·binary.</p><p>The·tail·variables·<code·class="inline">RestDgram</code>·and·<code·class="inline">Data</code>·bind·to·binaries,·as·all·tail |
| Offset 218, 80 lines modified | Offset 218, 80 lines modified | ||
| 218 | <p>This·section·describes·the·rules·for·constructing·binaries·using·the·bit·syntax. | 218 | <p>This·section·describes·the·rules·for·constructing·binaries·using·the·bit·syntax. |
| 219 | Unlike·when·constructing·lists·or·tuples,·the·construction·of·a·binary·can·fail | 219 | Unlike·when·constructing·lists·or·tuples,·the·construction·of·a·binary·can·fail |
| 220 | with·a·<code·class="inline">badarg</code>·exception.</p><p>There·can·be·zero·or·more·segments·in·a·binary·to·be·constructed.·The·expression | 220 | with·a·<code·class="inline">badarg</code>·exception.</p><p>There·can·be·zero·or·more·segments·in·a·binary·to·be·constructed.·The·expression |
| 221 | <code·class="inline"><<>></code>·constructs·a·zero·length·binary.</p><p>Each·segment·in·a·binary·can·consist·of·zero·or·more·bits.·There·are·no | 221 | <code·class="inline"><<>></code>·constructs·a·zero·length·binary.</p><p>Each·segment·in·a·binary·can·consist·of·zero·or·more·bits.·There·are·no |
| 222 | alignment·rules·for·individual·segments·of·type·<code·class="inline">integer</code>·and·<code·class="inline">float</code>.·For | 222 | alignment·rules·for·individual·segments·of·type·<code·class="inline">integer</code>·and·<code·class="inline">float</code>.·For |
| 223 | binaries·and·bitstrings·without·size,·the·unit·specifies·the·alignment.·Since | 223 | binaries·and·bitstrings·without·size,·the·unit·specifies·the·alignment.·Since |
| 224 | the·default·alignment·for·the·<code·class="inline">binary</code>·type·is·8,·the·size·of·a·binary·segment | 224 | the·default·alignment·for·the·<code·class="inline">binary</code>·type·is·8,·the·size·of·a·binary·segment |
| 225 | must·be·a·multiple·of·8·bits,·that·is,·only·whole·bytes.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 225 | must·be·a·multiple·of·8·bits,·that·is,·only·whole·bytes.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0903092302-1"><<</span><span·class="n">Bin</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="n">Bitstring</span><span·class="o">/</span><span·class="ss">bitstring</span><span·class="p"·data-group-id="090[·...·truncated·by·diffoscope;·len:·7,·SHA:·ccc29979e2ef2b19160cc6bc4ae9318ddd76cd528814e22f3d8bd61b650bed72·...·]-1">>></span></code></pre><p>The·variable·<code·class="inline">Bin</code>·must·contain·a·whole·number·of·bytes,·because·the·<code·class="inline">binary</code> |
| 226 | type·defaults·to·<code·class="inline">unit:8</code>.·A·<code·class="inline">badarg</code>·exception·is·generated·if·<code·class="inline">Bin</code>·consist | 226 | type·defaults·to·<code·class="inline">unit:8</code>.·A·<code·class="inline">badarg</code>·exception·is·generated·if·<code·class="inline">Bin</code>·consist |
| 227 | of,·for·example,·17·bits.</p><p>The·<code·class="inline">Bitstring</code>·variable·can·consist·of·any·number·of·bits,·for·example,·0,·1, | 227 | of,·for·example,·17·bits.</p><p>The·<code·class="inline">Bitstring</code>·variable·can·consist·of·any·number·of·bits,·for·example,·0,·1, |
| 228 | 8,·11,·17,·42,·and·so·on.·This·is·because·the·default·<code·class="inline">unit</code>·for·bitstrings | 228 | 8,·11,·17,·42,·and·so·on.·This·is·because·the·default·<code·class="inline">unit</code>·for·bitstrings |
| 229 | is·1.</p><p>For·clarity,·it·is·recommended·not·to·change·the·unit·size·for·binaries. | 229 | is·1.</p><p>For·clarity,·it·is·recommended·not·to·change·the·unit·size·for·binaries. |
| 230 | Instead,·use·<code·class="inline">binary</code>·when·you·need·byte·alignment·and·<code·class="inline">bitstring</code>·when·you·need | 230 | Instead,·use·<code·class="inline">binary</code>·when·you·need·byte·alignment·and·<code·class="inline">bitstring</code>·when·you·need |
| 231 | bit·alignment.</p><p>The·following·example·successfully·constructs·a·bitstring·of·7·bits,·provided | 231 | bit·alignment.</p><p>The·following·example·successfully·constructs·a·bitstring·of·7·bits,·provided |
| 232 | that·all·of·X·and·Y·are·integers:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 232 | that·all·of·X·and·Y·are·integers:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1520746236-1"><<</span><span·class="n">X</span><span·class="p">:</span><span·class="mi">1</span><span·class="p">,</span><span·class="n">Y</span><span·class="p">:</span><span·class="mi">6</span><span·class="p"·data-group-id="1520746236-1">>></span></code></pre><p>As·mentioned·earlier,·segments·have·the·following·general·syntax:</p><p><code·class="inline">Value:Size/TypeSpecifierList</code></p><p>When·constructing·binaries,·<code·class="inline">Value</code>·and·<code·class="inline">Size</code>·can·be·any·Erlang·expression. |
| 233 | However,·for·syntactical·reasons,·both·<code·class="inline">Value</code>·and·<code·class="inline">Size</code>·must·be·enclosed·in | 233 | However,·for·syntactical·reasons,·both·<code·class="inline">Value</code>·and·<code·class="inline">Size</code>·must·be·enclosed·in |
| 234 | parenthesis·if·the·expression·consists·of·anything·more·than·a·single·literal·or | 234 | parenthesis·if·the·expression·consists·of·anything·more·than·a·single·literal·or |
| 235 | a·variable.·The·following·gives·a·compiler·syntax·error:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 235 | a·variable.·The·following·gives·a·compiler·syntax·error:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1439091765-1"><<</span><span·class="n">X</span><span·class="o">+</span><span·class="mi">1</span><span·class="p">:</span><span·class="mi">8</span><span·class="p"·data-group-id="1439091765-1">>></span></code></pre><p>This·expression·must·be·rewritten·into·the·following,·to·be·accepted·by·the |
| 236 | compiler:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 236 | compiler:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8328762995-1"><<</span><span·class="p"·data-group-id="8328762995-2">(</span><span·class="n">X</span><span·class="o">+</span><span·class="mi">1</span><span·class="p"·data-group-id="8328762995-2">)</span><span·class="p">:</span><span·class="mi">8</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·adf94fe026179ec2e3ee7aeb2a8d6f4e918555c41bebd1b9597b1f7c67045202·...·]-1">>></span></code></pre><h3·id="including-literal-strings"·class="section-heading"> |
| 237 | ··<a·href="#including-literal-strings"·class="hover-link"> | 237 | ··<a·href="#including-literal-strings"·class="hover-link"> |
| 238 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 238 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 239 | ··</a> | 239 | ··</a> |
| 240 | ··<span·class="text">Including·Literal·Strings</span> | 240 | ··<span·class="text">Including·Literal·Strings</span> |
| 241 | </h3> | 241 | </h3> |
| 242 | <p>A·literal·string·can·be·written·instead·of·an·element:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 242 | <p>A·literal·string·can·be·written·instead·of·an·element:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9304268485-1"><<</span><span·class="s">"hello"</span><span·class="p"·data-group-id="9304268485-1">>></span></code></pre><p>This·is·syntactic·sugar·for·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·d[·...·truncated·by·diffoscope;·len:·310,·SHA:·d80b5d9395fda403e904450a138318f57691c2e9e7de86989a0fcc11fb410e9d·...·]-1">>></span></code></pre><h2·id="matching-binaries"·class="section-heading"> |
| 243 | ··<a·href="#matching-binaries"·class="hover-link"> | 243 | ··<a·href="#matching-binaries"·class="hover-link"> |
| 244 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 244 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 245 | ··</a> | 245 | ··</a> |
| 246 | ··<span·class="text">Matching·Binaries</span> | 246 | ··<span·class="text">Matching·Binaries</span> |
| 247 | </h2> | 247 | </h2> |
| 248 | <p>This·section·describes·the·rules·for·matching·binaries,·using·the·bit·syntax.</p><p>There·can·be·zero·or·more·segments·in·a·binary·pattern.·A·binary·pattern·can | 248 | <p>This·section·describes·the·rules·for·matching·binaries,·using·the·bit·syntax.</p><p>There·can·be·zero·or·more·segments·in·a·binary·pattern.·A·binary·pattern·can |
| 249 | occur·wherever·patterns·are·allowed,·including·inside·other·patterns.·Binary | 249 | occur·wherever·patterns·are·allowed,·including·inside·other·patterns.·Binary |
| 250 | patterns·cannot·be·nested.·The·pattern·<code·class="inline"><<>></code>·matches·a·zero·length·binary.</p><p>Each·segment·in·a·binary·can·consist·of·zero·or·more·bits.·A·segment·of·type | 250 | patterns·cannot·be·nested.·The·pattern·<code·class="inline"><<>></code>·matches·a·zero·length·binary.</p><p>Each·segment·in·a·binary·can·consist·of·zero·or·more·bits.·A·segment·of·type |
| 251 | <code·class="inline">binary</code>·must·have·a·size·evenly·divisible·by·8·(or·divisible·by·the·unit·size, | 251 | <code·class="inline">binary</code>·must·have·a·size·evenly·divisible·by·8·(or·divisible·by·the·unit·size, |
| 252 | if·the·unit·size·has·been·changed).·A·segment·of·type·<code·class="inline">bitstring</code>·has·no | 252 | if·the·unit·size·has·been·changed).·A·segment·of·type·<code·class="inline">bitstring</code>·has·no |
| 253 | restrictions·on·the·size.·A·segment·of·type·<code·class="inline">float</code>·must·have·size·64·or·32.</p><p>As·mentioned·earlier,·segments·have·the·following·general·syntax:</p><p><code·class="inline">Value:Size/TypeSpecifierList</code></p><p>When·matching·<code·class="inline">Value</code>,·value·must·be·either·a·variable·or·an·integer,·or·a | 253 | restrictions·on·the·size.·A·segment·of·type·<code·class="inline">float</code>·must·have·size·64·or·32.</p><p>As·mentioned·earlier,·segments·have·the·following·general·syntax:</p><p><code·class="inline">Value:Size/TypeSpecifierList</code></p><p>When·matching·<code·class="inline">Value</code>,·value·must·be·either·a·variable·or·an·integer,·or·a |
| 254 | floating·point·literal.·Expressions·are·not·allowed.</p><p><code·class="inline">Size</code>·must·be·a | 254 | floating·point·literal.·Expressions·are·not·allowed.</p><p><code·class="inline">Size</code>·must·be·a |
| 255 | <a·href="../../doc/system/expressions.html#guard-expressions">guard·expression</a>,·which·can·use | 255 | <a·href="../../doc/system/expressions.html#guard-expressions">guard·expression</a>,·which·can·use |
| 256 | literals·and·previously·bound·variables.·The·following·is·not·allowed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="6 | 256 | literals·and·previously·bound·variables.·The·following·is·not·allowed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="6372122815-1">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6372122815-2"><<</span><span·class="n">X</span><span·class="p">:</span><span·class="n">N</span><span·class="p">,</span><span·c[·...·truncated·by·diffoscope;·len:·172,·SHA:·ec6bef6bb0921929ad962f0fd15848ee97a351ab38e1ba1147105eeaa8ed25d3·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 257 | ···</span><span·class="p"·data-group-id="6123876199-3">{</span><span·class="n">X</span><span·class="p">,</span><span·class="n">T</span><span·class="p"·data-group-id="6123876199-3">}</span><span·class="p">.</span></code></pre><p>The·two·occurrences·of·<code·class="inline">N</code>·are·not·related.·The·compiler·will·complain·that·the | ||
| 258 | 257 | ···</span><span·class="p"·data-group-id="6372122815-3">{</span><span·class="n">X</span><span·class="p">,</span><span·class="n">T</span><span·class="p"·data-group-id="6372122815-3">}</span><span·class="p">.</span></code></pre><p>The·two·occurrences·of·<code[·...·truncated·by·diffoscope;·len:·77,·SHA:·b79cd7a1b3a5d65635c58ed8a311bdfe1e6d3c335245d3f0a149a77a129ced39·...·] | |
| 258 | <code·class="inline">N</code>·in·the·size·field·is·unbound.</p><p>The·correct·way·to·write·this·example·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="4702295474-1">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bin</span><span·class="p"·data-group-id="4702295474-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 259 | ···</span><span·class="p"·data-group-id=" | 259 | ···</span><span·class="p"·data-group-id="4702295474-2"><<</span><span·class="n">X</span><span·class="p">:</span><span·class="n">N</span><span·class="p">,</span><span·class="n">T</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p"·data-group-id="4702295474-2">>></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Bin</span><span·class="p">,</span><span·class="w"> |
| 260 | ···</span><span·class="p"·data-group-id=" | 260 | ···</span><span·class="p"·data-group-id="4702295474-3">{</span><span·class="n">X</span><span·class="p">,</span><span·class="n">T</span><span·class="p"·data-group-id="4702295474-3">}</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Before·OTP·23,·<code·class="inline">Size</code>·was·restricted·to·be·an·integer·or·a·variable·bound·to |
| 261 | an·integer.</p></section><h3·id="binding-and-using-a-size-variable"·class="section-heading"> | 261 | an·integer.</p></section><h3·id="binding-and-using-a-size-variable"·class="section-heading"> |
| 262 | ··<a·href="#binding-and-using-a-size-variable"·class="hover-link"> | 262 | ··<a·href="#binding-and-using-a-size-variable"·class="hover-link"> |
| 263 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 263 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 264 | ··</a> | 264 | ··</a> |
| 265 | ··<span·class="text">Binding·and·Using·a·Size·Variable</span> | 265 | ··<span·class="text">Binding·and·Using·a·Size·Variable</span> |
| 266 | </h3> | 266 | </h3> |
| 267 | <p>There·is·one·exception·to·the·rule·that·a·variable·that·is·used·as·size·must·be | 267 | <p>There·is·one·exception·to·the·rule·that·a·variable·that·is·used·as·size·must·be |
| 268 | previously·bound.·It·is·possible·to·match·and·bind·a·variable,·and·use·it·as·a | 268 | previously·bound.·It·is·possible·to·match·and·bind·a·variable,·and·use·it·as·a |
| 269 | size·within·the·same·binary·pattern.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bar</span><span·class="p"·data-group-id=" | 269 | size·within·the·same·binary·pattern.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bar</span><span·class="p"·data-group-id="2273006809-1">(</span><span·class="p"·data-group-id="2273006809-2"><<</span><span·class="n">Sz</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="n">Payload</span><span·class="p">:</span><span·class="n">Sz</sp[·...·truncated·by·diffoscope;·len:·364,·SHA:·89322e0418233991e87bf1d4955be9023eabb148f63fce08c117a98bf7bf12d5·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 270 | ···</span><span·class="p"·data-group-id="0846708891-3">{</span><span·class="n">Payload</span><span·class="p">,</span><span·class="n">Rest</span><span·class="p"·data-group-id="0846708891-3">}</span><span·class="p">.</span></code></pre><p>Here·<code·class="inline">Sz</code>·is·bound·to·the·value·in·the·first·byte·of·the·binary.·<code·class="inline">Sz</code>·is·then | ||
| 271 | used·at·the·number·of·bytes·to·match·out·as·a·binary.</p><p>Starting·in·OTP·23,·the·size·can·be·a·guard·expression:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bar</span><span·class="p"·data-group-id="0122702251-1">(</span><span·class="p"·data-group-id="0122702251-2"><<</span><span·class="n">Sz</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="n">Payload</span><span·class="p">:</span><span·class="p"·data-group-id="0122702251-3">(</span><span·class="p"·data-group-id="0122702251-4">(</span><span·class="n">Sz</span><span·class="o">-</span><span·class="mi">1</span><span·class="p"·data-group-id="0122702251-4">)</span><span·class="o">*</span><span·class="mi">8</span><span·class="p"·data-group-id="0122702251-3">)</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="n">Rest</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p"·data-group-id="0122702251-2">>></span><span·class="p"·data-group-id="0122702251-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 272 | ···</span><span·class="p"·data-group-id=" | 270 | ···</span><span·class="p"·data-group-id="2273006809-3">{</span><span·class="n">Payload</span><span·class="p">,</span><span·class="n">Rest</span><span·class="p"·data-group-id="2273006809-3">}</span><span·class="p">.</span></code></pre><p>Here·<code·class="inline">Sz</code>·is·bound·to·the·value·in[·...·truncated·by·diffoscope;·len:·69,·SHA:·1083f3582748578c46c3ce7c90260d1ad254ccef243b474a07b0e4eba11c7f49·...·] |
| 271 | used·at·the·number·of·bytes·to·match·out·as·a·binary.</p><p>Starting·in·OTP·23,·the·size·can·be·a·guard·expression:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bar</span><span·class="p"·data-group-id="9941774073-1">(</span><span·class="p"·data-group-id="9941774073-2"><<</span><span·class="n">Sz</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="n">Payload</span><span·class="p">:</span><span·class="p"·data-group-id="9941774073-3">(</span><span·class="p"·data-group-id="9941774073-4">(</span><span·class="n">Sz</span><span·class="o">-</span><span·class="mi">1</span><span·class="p"·data-group-id="9941774073-4">)</span><span·class="o">*</span><span·class="mi">8</span><span·class="p"·data-group-id="9941774073-3">)</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="n">Rest</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p"·data-group-id="9941774073-2">>></span><span·class="p"·data-group-id="9941774073-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 272 | ···</span><span·class="p"·data-group-id="9941774073-5">{</span><span·class="n">Payload</span><span·class="p">,</span><span·class="n">Rest</span><span·class="p"·data-group-id="9941774073-5">}</span><span·class="p">.</span></code></pre><p>Here·<code·class="inline">Sz</code>·is·the·combined·size·of·the·header·and·the·payload,·so·we·will·need·to | ||
| 273 | subtract·one·byte·to·get·the·size·of·the·payload.</p><h3·id="getting-the-rest-of-the-binary-or-bitstring"·class="section-heading"> | 273 | subtract·one·byte·to·get·the·size·of·the·payload.</p><h3·id="getting-the-rest-of-the-binary-or-bitstring"·class="section-heading"> |
| 274 | ··<a·href="#getting-the-rest-of-the-binary-or-bitstring"·class="hover-link"> | 274 | ··<a·href="#getting-the-rest-of-the-binary-or-bitstring"·class="hover-link"> |
| 275 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 275 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 276 | ··</a> | 276 | ··</a> |
| 277 | ··<span·class="text">Getting·the·Rest·of·the·Binary·or·Bitstring</span> | 277 | ··<span·class="text">Getting·the·Rest·of·the·Binary·or·Bitstring</span> |
| 278 | </h3> | 278 | </h3> |
| 279 | <p>To·match·out·the·rest·of·a·binary,·specify·a·binary·field·without·size:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id=" | 279 | <p>To·match·out·the·rest·of·a·binary,·specify·a·binary·field·without·size:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="1099559626-1">(</span><span·class="p"·data-group-id="1099559626-2"><<</span><span·class="n">A</span><span·class="p">:</span><span·class="mi">8</span><span·class="p">,</span><span·class="n">Rest</span><span·class="o">/</span><span·class="ss">binary</s[·...·truncated·by·diffoscope;·len:·784,·SHA:·d2ba3e32c87db4552451cb1ab1b5e49943663efe4988a07b9dc1849b26ea0340·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span></code></pre><p>There·are·no·restrictions·on·the·number·of·bits·in·the·tail.</p><h2·id="appending-to-a-binary"·class="section-heading"> |
| 280 | ··<a·href="#appending-to-a-binary"·class="hover-link"> | 280 | ··<a·href="#appending-to-a-binary"·class="hover-link"> |
| 281 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 281 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 282 | ··</a> | 282 | ··</a> |
| 283 | ··<span·class="text">Appending·to·a·Binary</span> | 283 | ··<span·class="text">Appending·to·a·Binary</span> |
| 284 | </h2> | 284 | </h2> |
| 285 | <p>Appending·to·a·binary·in·an·efficient·way·can·be·done·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id=" | 285 | <p>Appending·to·a·binary·in·an·efficient·way·can·be·done·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id="5870379739-1">(</span><span·class="n">T</span><span·class="p"·data-group-id="5870379739-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 286 | ····</span><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id=" | 286 | ····</span><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id="5870379739-2">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5870379739-3"><<</span><span·class="p"·data-group-id="5870379739-3">>></span><span·class="p"·data-group-id="5870379739-2">)</span><span·class="p">.</span><span·class="w"> |
| 287 | </span><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id=" | 287 | </span><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id="5870379739-4">(</span><span·class="p"·data-group-id="5870379739-5">[</span><span·class="p"·data-group-id="5870379739-6">{</span><span·class="n">X</span><span·class="p">,</span><span·class="n">Y</span><span·class="p">,</span><span·class="n">Z</span><span·cl[·...·truncated·by·diffoscope;·len:·308,·SHA:·c4936a993ffc021fe926838ee6fc2a2f58f3ef31b5ff477c52e7aac5ed20954a·...·]9-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 288 | ····</span><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id=" | 288 | ····</span><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id="5870379739-7">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5870379739-8"><<</span><span·class="n">Acc</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·372,·SHA:·e7d6d6302a4e8f4a967b1b16dc6b8b070c6f21837d7d67eee48f04b9c00b3f8c·...·]9-7">)</span><span·class="p">;</span><span·class="w"> |
| 289 | </span><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id=" | 289 | </span><span·class="nf">triples_to_bin</span><span·class="p"·data-group-id="5870379739-9">(</span><span·class="p"·data-group-id="5870379739-10">[</span><span·class="p"·data-group-id="5870379739-10">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="5870379739-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 290 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre> | 290 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre> |
| 291 | </div> | 291 | </div> |
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| 148 | external·program,·if·it·is·written·properly).</p><p>The·port·is·created·using·the·BIF·<a·href="../../erts-15.2.3/doc/html/erlang.html#open_port/2"><code·class="inline">open_port/2</code></a>·with | 148 | external·program,·if·it·is·written·properly).</p><p>The·port·is·created·using·the·BIF·<a·href="../../erts-15.2.3/doc/html/erlang.html#open_port/2"><code·class="inline">open_port/2</code></a>·with |
| 149 | <code·class="inline">{spawn,ExtPrg}</code>·as·the·first·argument.·The·string·<code·class="inline">ExtPrg</code>·is·the·name·of·the | 149 | <code·class="inline">{spawn,ExtPrg}</code>·as·the·first·argument.·The·string·<code·class="inline">ExtPrg</code>·is·the·name·of·the |
| 150 | external·program,·including·any·command·line·arguments.·The·second·argument·is·a | 150 | external·program,·including·any·command·line·arguments.·The·second·argument·is·a |
| 151 | list·of·options,·in·this·case·only·<code·class="inline">{packet,2}</code>.·This·option·says·that·a·2·byte | 151 | list·of·options,·in·this·case·only·<code·class="inline">{packet,2}</code>.·This·option·says·that·a·2·byte |
| 152 | length·indicator·is·to·be·used·to·simplify·the·communication·between·C·and | 152 | length·indicator·is·to·be·used·to·simplify·the·communication·between·C·and |
| 153 | Erlang.·The·Erlang·port·automatically·adds·the·length·indicator,·but·this·must | 153 | Erlang.·The·Erlang·port·automatically·adds·the·length·indicator,·but·this·must |
| 154 | be·done·explicitly·in·the·external·C·program.</p><p>The·process·is·also·set·to·trap·exits,·which·enables·detection·of·failure·of·the | 154 | be·done·explicitly·in·the·external·C·program.</p><p>The·process·is·also·set·to·trap·exits,·which·enables·detection·of·failure·of·the |
| 155 | external·program:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="0 | 155 | external·program:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="0079321346-1">(</span><span·class="ss">complex1</span><span·class="p"·data-group-id="0079321346-1">)</span><span·class="p">.</span><span·class="w"> |
| 156 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0 | 156 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0079321346-2">(</span><span·class="p"·data-group-id="0079321346-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">/</span><spa[·...·truncated·by·diffoscope;·len:·115,·SHA:·97462331a9faf446e425950180b86dcefcf1c3081e8c3e49c8553806a205a20d·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="nf">start</span><span·class="p"·data-group-id="0 | 157 | </span><span·class="nf">start</span><span·class="p"·data-group-id="0079321346-4">(</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="0079321346-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ··</span><span·class="nf">spawn</span><span·class="p"·data-group-id="0 | 158 | ··</span><span·class="nf">spawn</span><span·class="p"·data-group-id="0079321346-5">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0079321346-6">[</span><span[·...·truncated·by·diffoscope;·len:·118,·SHA:·04c00bb33bd632023258721c723e6cc186d6fa33530abdc4e6433fa101472eb9·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="nf">init</span><span·class="p"·data-group-id="0 | 159 | </span><span·class="nf">init</span><span·class="p"·data-group-id="0079321346-7">(</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="0079321346-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 160 | ··</span><span·class="nf">register</span><span·class="p"·data-group-id="0 | 160 | ··</span><span·class="nf">register</span><span·class="p"·data-group-id="0079321346-8">(</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="0079321346-9">(</span><span·class="p"·data-group-id="0079321346-9">)</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·4b2e7e78fc82eec3af5a5b684e416a7728f07f9ec9a1142b7d586acc07b287d8·...·]-8">)</span><span·class="p">,</span><span·class="w"> |
| 161 | ··</span><span·class="nf">process_flag</span><span·class="p"·data-group-id="0 | 161 | ··</span><span·class="nf">process_flag</span><span·class="p"·data-group-id="0079321346-10">(</span><span·class="ss">trap_exit</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="0079321346-10">)</span><span·class="p">,</span><span·class="w"> |
| 162 | ··</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="0 | 162 | ··</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="0079321346-11">(</span><span·class="p"·data-group-id="0079321346-12">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="0079321346-12">}</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·388,·SHA:·e7365de748dd55d66f2ec9f28401f0ce5d889906a13244f7ee2a622d2d33506e·...·]-11">)</span><span·class="p">,</span><span·class="w"> |
| 163 | ··</span><span·class="nf">loop</span><span·class="p"·data-group-id="0 | 163 | ··</span><span·class="nf">loop</span><span·class="p"·data-group-id="0079321346-15">(</span><span·class="n">Port</span><span·class="p"·data-group-id="0079321346-15">)</span><span·class="p">.</span></code></pre><p>Now·<code·class="inline">complex1:foo/1</code>·and·<code·class="inline">complex1:bar/1</code>·can·be·implemented.·Both·send·a |
| 164 | message·to·the·<code·class="inline">complex</code>·process·and·receive·the·following·replies:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="8 | 164 | message·to·the·<code·class="inline">complex</code>·process·and·receive·the·following·replies:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="2850495994-1">(</span><span·class="n">X</span><span·class="p"·data-group-id="2850495994-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 165 | ··</span><span·class="nf">call_port</span><span·class="p"·data-group-id="8 | 165 | ··</span><span·class="nf">call_port</span><span·class="p"·data-group-id="2850495994-2">(</span><span·class="p"·data-group-id="2850495994-3">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="2850495994-3">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·b3d8ee8ca52e903b598cfa351a7ac04874826a6356b2a5060337252702896912·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 166 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="8 | 166 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="2850495994-4">(</span><span·class="n">Y</span><span·class="p"·data-group-id="2850495994-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 167 | ··</span><span·class="nf">call_port</span><span·class="p"·data-group-id="8 | 167 | ··</span><span·class="nf">call_port</span><span·class="p"·data-group-id="2850495994-5">(</span><span·class="p"·data-group-id="2850495994-6">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="2850495994-6">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·b3d8ee8ca52e903b598cfa351a7ac04874826a6356b2a5060337252702896912·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 168 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id="8 | 168 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id="2850495994-7">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="2850495994-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 169 | ··</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="8 | 169 | ··</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="2850495994-8">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="2850495994-9">(</span><span·class="p"·data-group-id="2850495994-9">)</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·91,·SHA:·e11256b7f3e0020d09c245d54c3d72542372071616be710091fd05f486f35c3b·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 170 | ··</span><span·class="k">receive</span><span·class="w"> | 170 | ··</span><span·class="k">receive</span><span·class="w"> |
| 171 | ····</span><span·class="p"·data-group-id="8 | 171 | ····</span><span·class="p"·data-group-id="2850495994-10">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</span><span·class="p"·data-group-id="2850495994-10">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 172 | ······</span><span·class="n">Result</span><span·class="w"> | 172 | ······</span><span·class="n">Result</span><span·class="w"> |
| 173 | ··</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">complex</code>·process·does·the·following:</p><ul><li>Encodes·the·message·into·a·sequence·of·bytes.</li><li>Sends·it·to·the·port.</li><li>Waits·for·a·reply.</li><li>Decodes·the·reply.</li><li>Sends·it·back·to·the·caller:</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id=" | 173 | ··</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">complex</code>·process·does·the·following:</p><ul><li>Encodes·the·message·into·a·sequence·of·bytes.</li><li>Sends·it·to·the·port.</li><li>Waits·for·a·reply.</li><li>Decodes·the·reply.</li><li>Sends·it·back·to·the·caller:</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id="2355816159-1">(</span><span·class="n">Port</span><span·class="p"·data-group-id="2355816159-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | ··</span><span·class="k">receive</span><span·class="w"> | 174 | ··</span><span·class="k">receive</span><span·class="w"> |
| 175 | ····</span><span·class="p"·data-group-id=" | 175 | ····</span><span·class="p"·data-group-id="2355816159-2">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Caller</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="2355816159-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 176 | ······</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 176 | ······</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="2355816159-3">{</span><span·class="nf">self</span><span·class="p"·data-group-id="2355816159-4">(</span><span·class="p"·data-group-id="2355816159-4">)</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2355816159-5">{</span[·...·truncated·by·diffoscope;·len:·336,·SHA:·44709856f2882925bbc1098232cdc523a3d9f26bd3f577a9af9f9097effc9160·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 177 | ······</span><span·class="k">receive</span><span·class="w"> | 177 | ······</span><span·class="k">receive</span><span·class="w"> |
| 178 | ········</span><span·class="p"·data-group-id=" | 178 | ········</span><span·class="p"·data-group-id="2355816159-7">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2355816159-8">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><sp[·...·truncated·by·diffoscope;·len:·91,·SHA:·818397181fb4e73bc4d0bdf802da8f9f394f8620e54d405f3886dca6ab7f480a·...·]-7">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | ··········</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 179 | ··········</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="2355816159-9">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">decode</span><span·class="p"·data-group-id="2355816159-10">(</span><span·class="n">Data</span><span·class="p"·data-group-id="2355816159-10[·...·truncated·by·diffoscope;·len:·51,·SHA:·c306a7da5f3edd6714d51359f0e68576d871e962bf68e14167f345df2c16d540·...·]-9">}</span><span·class="w"> |
| 180 | ······</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 180 | ······</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 181 | ······</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 181 | ······</span><span·class="nf">loop</span><span·class="p"·data-group-id="2355816159-11">(</span><span·class="n">Port</span><span·class="p"·data-group-id="2355816159-11">)</span><span·class="w"> |
| 182 | ··</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Assuming·that·both·the·arguments·and·the·results·from·the·C·functions·are·less | 182 | ··</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Assuming·that·both·the·arguments·and·the·results·from·the·C·functions·are·less |
| 183 | than·256,·a·simple·encoding/decoding·scheme·is·employed.·In·this·scheme,·<code·class="inline">foo</code> | 183 | than·256,·a·simple·encoding/decoding·scheme·is·employed.·In·this·scheme,·<code·class="inline">foo</code> |
| 184 | is·represented·by·byte·1,·<code·class="inline">bar</code>·is·represented·by·2,·and·the·argument/result·is | 184 | is·represented·by·byte·1,·<code·class="inline">bar</code>·is·represented·by·2,·and·the·argument/result·is |
| 185 | represented·by·a·single·byte·as·well:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">encode</span><span·class="p"·data-group-id=" | 185 | represented·by·a·single·byte·as·well:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">encode</span><span·class="p"·data-group-id="0155606850-1">(</span><span·class="p"·data-group-id="0155606850-2">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="0155606850-2">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·291,·SHA:·6df192181f6b42a8e1a5e604aec592b0b85c58f459c94576f84d9a8ff8efdc5b·...·]-3">]</span><span·class="p">;</span><span·class="w"> |
| 186 | </span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 186 | </span><span·class="nf">encode</span><span·class="p"·data-group-id="0155606850-4">(</span><span·class="p"·data-group-id="0155606850-5">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="0155606850-5">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·291,·SHA:·1b5ef8ace88d59f95879306aef72044526529eed4da1726bd4029c096be885d7·...·]-6">]</span><span·class="p">.</span><span·class="w"> |
| 187 | </span><span·class="nf">decode</span><span·class="p"·data-group-id="6381161427-7">(</span><span·class="p"·data-group-id="6381161427-8">[</span><span·class="n">Int</span><span·class="p"·data-group-id="6381161427-8">]</span><span·class="p"·data-group-id="6381161427-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Int</span><span·class="p">.</span></code></pre><p>The·resulting·Erlang·program,·including·functionality·for·stopping·the·port·and | ||
| 188 | 187 | </span><span·class="nf">decode</span><span·class="p"·data-group-id="0155606850-7">(</span><span·class="p"·data-group-id="0155606850-8">[</span><span·class="n">Int</span><span·class="p"·data-group-id="0155606850-8">]</span><span·class="p"·data-group-id="015[·...·truncated·by·diffoscope;·len:·240,·SHA:·ee4b758afa506cde26c1b5801f231cc0076b3cc5be817f6cf80adce0696c1b95·...·] | |
| 188 | detecting·port·failures,·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="3502109872-1">(</span><span·class="ss">complex1</span><span·class="p"·data-group-id="3502109872-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 189 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 189 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="3502109872-2">(</span><span·class="p"·data-group-id="3502109872-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·241,·SHA:·d8a67091d92e6d300c1bf565c7ff73350623783afe405a900df4378edaa4594d·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 190 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 190 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="3502109872-4">(</span><span·class="p"·data-group-id="3502109872-5">[</span><span·class="ss">foo</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bar</span><span·class="p">/</span><span·[·...·truncated·by·diffoscope;·len:·113,·SHA:·773ff5cfc6f960d1c00c5d27bf964cf4f0acc11370e7111cf5453ff584e700c2·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 191 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 191 | </span><span·class="nf">start</span><span·class="p"·data-group-id="3502109872-6">(</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="3502109872-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 192 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 192 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="3502109872-7">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3502109872-8">[</span><spa[·...·truncated·by·diffoscope;·len:·119,·SHA:·d50ad859236fbdd847316e840687ab17001d19af81623dcc4a8c0e042db604f1·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 193 | </span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 193 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="3502109872-9">(</span><span·class="p"·data-group-id="3502109872-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 194 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">.</span><span·class="w"> | 194 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">.</span><span·class="w"> |
| 195 | </span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 195 | </span><span·class="nf">foo</span><span·class="p"·data-group-id="3502109872-10">(</span><span·class="n">X</span><span·class="p"·data-group-id="3502109872-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 196 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 196 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="3502109872-11">(</span><span·class="p"·data-group-id="3502109872-12">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="3502109872-12">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·295a39971734d9e4fa4c26510f94b3aa1b5250705cda22c0e7e4c52bb42c01bc·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 197 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 197 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="3502109872-13">(</span><span·class="n">Y</span><span·class="p"·data-group-id="3502109872-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 198 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 198 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="3502109872-14">(</span><span·class="p"·data-group-id="3502109872-15">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="3502109872-15">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·295a39971734d9e4fa4c26510f94b3aa1b5250705cda22c0e7e4c52bb42c01bc·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 199 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 199 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id="3502109872-16">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="3502109872-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 200 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 200 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="3502109872-17">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="3502109872-18">(</span><span·class="p"·data-group-id="3502109872-18">)</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·94,·SHA:·c444d43c6c1d985c0d97f875fba7dac1794b37898cede1c7210db79a4e5f3181·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 201 | ····</span><span·class="k">receive</span><span·class="w"> | 201 | ····</span><span·class="k">receive</span><span·class="w"> |
| 202 | » </span><span·class="p"·data-group-id=" | 202 | » </span><span·class="p"·data-group-id="3502109872-19">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</span><span·class="p"·data-group-id="3502109872-19">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 203 | » ····</span><span·class="n">Result</span><span·class="w"> | 203 | » ····</span><span·class="n">Result</span><span·class="w"> |
| 204 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 204 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 205 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 205 | </span><span·class="nf">init</span><span·class="p"·data-group-id="3502109872-20">(</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="3502109872-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 206 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 206 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id="3502109872-21">(</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="3502109872-22">(</span><span·class="p"·data-group-id="3502109872-22">)</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·49428b427ae9758663b90b2c936c97a00ae1c36d5f2f7f5db104a2bceaaca1d1·...·]-21">)</span><span·class="p">,</span><span·class="w"> |
| 207 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id=" | 207 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id="3502109872-23">(</span><span·class="ss">trap_exit</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="3502109872-23">)</span><span·class="p">,</span><span·class="w"> |
| 208 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id=" | 208 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="3502109872-24">(</span><span·class="p"·data-group-id="3502109872-25">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="3502109872-25">}</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·389,·SHA:·d045549ca0750ec14dd29d28a368114f2fe778ba0209844188662fe6360c880a·...·]-24">)</span><span·class="p">,</span><span·class="w"> |
| 209 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 209 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="3502109872-28">(</span><span·class="n">Port</span><span·class="p"·data-group-id="3502109872-28">)</span><span·class="p">.</span><span·class="w"> |
| 210 | </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 210 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="3502109872-29">(</span><span·class="n">Port</span><span·class="p"·data-group-id="3502109872-29">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 211 | ····</span><span·class="k">receive</span><span·class="w"> | 211 | ····</span><span·class="k">receive</span><span·class="w"> |
| 212 | » </span><span·class="p"·data-group-id=" | 212 | » </span><span·class="p"·data-group-id="3502109872-30">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Caller</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="3502109872-30">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 213 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 213 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="3502109872-31">{</span><span·class="nf">self</span><span·class="p"·data-group-id="3502109872-32">(</span><span·class="p"·data-group-id="3502109872-32">)</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3502109872-33">{</[·...·truncated·by·diffoscope;·len:·343,·SHA:·c4484e4da1f9d4f442448ec9407574e5e04b51411887d4a0f39e6939321c9534·...·]-31">}</span><span·class="p">,</span><span·class="w"> |
| 214 | » ····</span><span·class="k">receive</span><span·class="w"> | 214 | » ····</span><span·class="k">receive</span><span·class="w"> |
| 215 | » » </span><span·class="p"·data-group-id=" | 215 | » » </span><span·class="p"·data-group-id="3502109872-35">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3502109872-36">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><[·...·truncated·by·diffoscope;·len:·94,·SHA:·2cc0883e1958f5b29a37987fa161ab6d0c739b8656fc203be00195d0e5d5dcd2·...·]-35">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 216 | » » ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 216 | » » ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="3502109872-37">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">decode</span><span·class="p"·data-group-id="3502109872-38">(</span><span·class="n">Data</span><span·class="p"·data-group-id="3502109872-3[·...·truncated·by·diffoscope;·len:·52,·SHA:·fa789944b11e78f1518ce57680dc237440a63067b86695e7f51ab123dd503b5e·...·]-37">}</span><span·class="w"> |
| 217 | » ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 217 | » ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 218 | » ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 218 | » ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="3502109872-39">(</span><span·class="n">Port</span><span·class="p"·data-group-id="3502109872-39">)</span><span·class="p">;</span><span·class="w"> |
| 219 | » </span><span·class="ss">stop</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 219 | » </span><span·class="ss">stop</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 220 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="3502109872-40">{</span><span·class="nf">self</span><span·class="p"·data-group-id="3502109872-41">(</span><span·class="p"·data-group-id="3502109872-41">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">close</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·f1c5fdc1d136102c598119db04de77041dcb269e704de662e69e5f055d222c19·...·]-40">}</span><span·class="p">,</span><span·class="w"> |
| 221 | » ····</span><span·class="k">receive</span><span·class="w"> | 221 | » ····</span><span·class="k">receive</span><span·class="w"> |
| 222 | » » </span><span·class="p"·data-group-id=" | 222 | » » </span><span·class="p"·data-group-id="3502109872-42">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">closed</span><span·class="p"·data-group-id="3502109872-42">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 223 | » » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 223 | » » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id="3502109872-43">(</span><span·class="ss">normal</span><span·class="p"·data-group-id="3502109872-43">)</span><span·class="w"> |
| 224 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 224 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 225 | » </span><span·class="p"·data-group-id=" | 225 | » </span><span·class="p"·data-group-id="3502109872-44">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="3502109872-44">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 226 | » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 226 | » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id="3502109872-45">(</span><span·class="ss">port_terminated</span><span·class="p"·data-group-id="3502109872-45">)</span><span·class="w"> |
| 227 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 227 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 228 | </span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 228 | </span><span·class="nf">encode</span><span·class="p"·data-group-id="3502109872-46">(</span><span·class="p"·data-group-id="3502109872-47">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="3502109872-47">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·296,·SHA:·5b67f1f7cd75b53f7e9471b55842f2ee559f7c7d4020477d2ace682626e94e1c·...·]-48">]</span><span·class="p">;</span><span·class="w"> |
| 229 | </span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 229 | </span><span·class="nf">encode</span><span·class="p"·data-group-id="3502109872-49">(</span><span·class="p"·data-group-id="3502109872-50">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="3502109872-50">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·296,·SHA:·861985d66943297897fa69b584c69aae20cf1b932699401aee505cb7a821b0a9·...·]-51">]</span><span·class="p">.</span><span·class="w"> |
| 230 | </span><span·class="nf">decode</span><span·class="p"·data-group-id=" | 230 | </span><span·class="nf">decode</span><span·class="p"·data-group-id="3502109872-52">(</span><span·class="p"·data-group-id="3502109872-53">[</span><span·class="n">Int</span><span·class="p"·data-group-id="3502109872-53">]</span><span·class="p"·data-group-id="3502109872-52">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Int</span><span·class="p">.</span></code></pre><h2·id="c-program"·class="section-heading"> |
| 231 | ··<a·href="#c-program"·class="hover-link"> | 231 | ··<a·href="#c-program"·class="hover-link"> |
| 232 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 232 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 233 | ··</a> | 233 | ··</a> |
| 234 | ··<span·class="text">C·Program</span> | 234 | ··<span·class="text">C·Program</span> |
| 235 | </h2> | 235 | </h2> |
| 236 | <p>On·the·C·side,·it·is·necessary·to·write·functions·for·receiving·and·sending·data | 236 | <p>On·the·C·side,·it·is·necessary·to·write·functions·for·receiving·and·sending·data |
| 237 | with·2·byte·length·indicators·from/to·Erlang.·By·default,·the·C·program·is·to | 237 | with·2·byte·length·indicators·from/to·Erlang.·By·default,·the·C·program·is·to |
| Offset 333, 25 lines modified | Offset 333, 25 lines modified | ||
| 333 | and·terminates.</p><h2·id="running-the-example"·class="section-heading"> | 333 | and·terminates.</p><h2·id="running-the-example"·class="section-heading"> |
| 334 | ··<a·href="#running-the-example"·class="hover-link"> | 334 | ··<a·href="#running-the-example"·class="hover-link"> |
| 335 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 335 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 336 | ··</a> | 336 | ··</a> |
| 337 | ··<span·class="text">Running·the·Example</span> | 337 | ··<span·class="text">Running·the·Example</span> |
| 338 | </h2> | 338 | </h2> |
| 339 | <p><em>Step·1.</em>·Compile·the·C·code:</p><pre><code·class="text">$·gcc·-o·extprg·complex.c·erl_comm.c·port.c</code></pre><p><em>Step·2.</em>·Start·Erlang·and·compile·the·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w"> | 339 | <p><em>Step·1.</em>·Compile·the·C·code:</p><pre><code·class="text">$·gcc·-o·extprg·complex.c·erl_comm.c·port.c</code></pre><p><em>Step·2.</em>·Start·Erlang·and·compile·the·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w"> |
| 340 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">26</span><span·class="w">·</span><span·class="p"·data-group-id=" | 340 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">26</span><span·class="w">·</span><span·class="p"·data-group-id="5925934028-1">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">14.2</span><span·class="p"·data-group-id="5925934028-1">]</span><span·class="w">·</span><span·class="p"·data-group-id="5925934028-2">[</span><span·class="ss">source<[·...·truncated·by·diffoscope;·len:·1283,·SHA:·519e5c32d6736e693adc2046064ebf0690170a2b5b998bf3aee9a61988c26fa1·...·]-7">]</span><span·class="w"> |
| 341 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V14</span><span·class="p">.</span><span·class="mi">2</span><span·class="w">·</span><span·class="p"·data-group-id=" | 341 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V14</span><span·class="p">.</span><span·class="mi">2</span><span·class="w">·</span><span·class="p"·data-group-id="5925934028-8">(</span><span·class="ss">press</span><span·class="w">·</span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">G</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">abort</span><sp[·...·truncated·by·diffoscope;·len:·399,·SHA:·03f40a784e760c5d3b5e7a6dea55a15554db7f9782b98f449ffd2963249ad5f7·...·]-8">)</span><span·class="gp·unselectable"> |
| 342 | 1>·</span><span·class="nf">c</span><span·class="p"·data-group-id=" | 342 | 1>·</span><span·class="nf">c</span><span·class="p"·data-group-id="5925934028-10">(</span><span·class="ss">complex1</span><span·class="p"·data-group-id="5925934028-10">)</span><span·class="p">.</span><span·class="w"> |
| 343 | </span><span·class="p"·data-group-id=" | 343 | </span><span·class="p"·data-group-id="5925934028-11">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">complex1</span><span·class="p"·data-group-id="5925934028-11">}</span></code></pre><p><em>Step·3.</em>·Run·the·example:</p><pre><code·class="makeup·erlang"·translate="[·...·truncated·by·diffoscope;·len:·268,·SHA:·fb3db9dc7c15019bfddacb1a0504d666cd40b8048e19e9618ab2e7703b1fc554·...·]5-1">)</span><span·class="p">.</span><span·class="w"> |
| 344 | </span><span·class="o"><</span><span·class="mf">0.34</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> | 344 | </span><span·class="o"><</span><span·class="mf">0.34</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> |
| 345 | 3>·</span><span·class="nc">complex1</span><span·class="p">:</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 345 | 3>·</span><span·class="nc">complex1</span><span·class="p">:</span><span·class="nf">foo</span><span·class="p"·data-group-id="3773382875-2">(</span><span·class="mi">3</span><span·class="p"·data-group-id="3773382875-2">)</span><span·class="p">.</span><span·class="w"> |
| 346 | </span><span·class="mi">4</span><span·class="gp·unselectable"> | 346 | </span><span·class="mi">4</span><span·class="gp·unselectable"> |
| 347 | 4>·</span><span·class="nc">complex1</span><span·class="p">:</span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 347 | 4>·</span><span·class="nc">complex1</span><span·class="p">:</span><span·class="nf">bar</span><span·class="p"·data-group-id="3773382875-3">(</span><span·class="mi">5</span><span·class="p"·data-group-id="3773382875-3">)</span><span·class="p">.</span><span·class="w"> |
| 348 | </span><span·class="mi">10</span><span·class="gp·unselectable"> | 348 | </span><span·class="mi">10</span><span·class="gp·unselectable"> |
| 349 | 5>·</span><span·class="nc">complex1</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 349 | 5>·</span><span·class="nc">complex1</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="3773382875-4">(</span><span·class="p"·data-group-id="3773382875-4">)</span><span·class="p">.</span><span·class="w"> |
| 350 | </span><span·class="ss">stop</span></code></pre> | 350 | </span><span·class="ss">stop</span></code></pre> |
| 351 | </div> | 351 | </div> |
| 352 | <div·class="bottom-actions"·id="bottom-actions"> | 352 | <div·class="bottom-actions"·id="bottom-actions"> |
| 353 | ··<div·class="bottom-actions-item"> | 353 | ··<div·class="bottom-actions-item"> |
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| 151 | <p>Like·a·port·program,·the·port·communicates·with·an·Erlang·process.·All | 151 | <p>Like·a·port·program,·the·port·communicates·with·an·Erlang·process.·All |
| 152 | communication·goes·through·one·Erlang·process·that·is·the·<em>connected·process</em>·of | 152 | communication·goes·through·one·Erlang·process·that·is·the·<em>connected·process</em>·of |
| 153 | the·port·driver.·Terminating·this·process·closes·the·port·driver.</p><p>Before·the·port·is·created,·the·driver·must·be·loaded.·This·is·done·with·the | 153 | the·port·driver.·Terminating·this·process·closes·the·port·driver.</p><p>Before·the·port·is·created,·the·driver·must·be·loaded.·This·is·done·with·the |
| 154 | function·<a·href="../../lib/kernel-10.2.3/doc/html/erl_ddll.html#load_driver/2"><code·class="inline">erl_ddll:load_driver/2</code></a>,·with·the·name·of·the·shared·library·as | 154 | function·<a·href="../../lib/kernel-10.2.3/doc/html/erl_ddll.html#load_driver/2"><code·class="inline">erl_ddll:load_driver/2</code></a>,·with·the·name·of·the·shared·library·as |
| 155 | argument.</p><p>The·port·is·then·created·using·the·BIF·<a·href="../../erts-15.2.3/doc/html/erlang.html#open_port/2"><code·class="inline">open_port/2</code></a>,·with·the | 155 | argument.</p><p>The·port·is·then·created·using·the·BIF·<a·href="../../erts-15.2.3/doc/html/erlang.html#open_port/2"><code·class="inline">open_port/2</code></a>,·with·the |
| 156 | tuple·<code·class="inline">{spawn,·DriverName}</code>·as·the·first·argument.·The·string·<code·class="inline">SharedLib</code>·is·the | 156 | tuple·<code·class="inline">{spawn,·DriverName}</code>·as·the·first·argument.·The·string·<code·class="inline">SharedLib</code>·is·the |
| 157 | name·of·the·port·driver.·The·second·argument·is·a·list·of·options,·none·in·this | 157 | name·of·the·port·driver.·The·second·argument·is·a·list·of·options,·none·in·this |
| 158 | case:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 158 | case:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="3330492288-1">(</span><span·class="ss">complex5</span><span·class="p"·data-group-id="3330492288-1">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 159 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="3330492288-2">(</span><span·class="p"·data-group-id="3330492288-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·116,·SHA:·b8f4e0fc67d4c4add42f7de1e3fdaedc85bb48e55bbc273cc30a341bf8af4353·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 160 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 160 | </span><span·class="nf">start</span><span·class="p"·data-group-id="3330492288-4">(</span><span·class="n">SharedLib</span><span·class="p"·data-group-id="3330492288-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 161 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id=" | 161 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id="3330492288-5">(</span><span·class="s">"."</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SharedLib</span><span·class="p"·data-group-id="3330492288-5">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 162 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 162 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 163 | ········</span><span·class="p"·data-group-id=" | 163 | ········</span><span·class="p"·data-group-id="3330492288-6">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">already_loaded</span><span·class="p"·data-group-id="3330492288-6">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 164 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 164 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id="3330492288-7">(</span><span·class="p"·data-group-id="3330492288-8">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">could_not_load_driver</span><span·class="p"·data-group-id="3330492288-8">}</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·2c9a49b607b2b109376335217e1a1f6db1659134c7c772e9480959b1faeb3e89·...·]-7">)</span><span·class="w"> |
| 165 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 165 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 166 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 166 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="3330492288-9">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3330492288-10">[</span><sp[·...·truncated·by·diffoscope;·len:·124,·SHA:·ed492dbef4d762b0d12aae9fe338aab725bc54c63590c061f6b55d0a5da8b45b·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 167 | </span><span·class="nf">init</span><span·class="p"·data-group-id="3330492288-11">(</span><span·class="n">SharedLib</span><span·class="p"·data-group-id="3330492288-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 168 | ··</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 168 | ··</span><span·class="nf">register</span><span·class="p"·data-group-id="3330492288-12">(</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="3330492288-13">(</span><span·class="p"·data-group-id="3330492288-13">)</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·4203d31247595740d76683bddd6888a66840d89106b61d5c9630e3ac1ce668c0·...·]-12">)</span><span·class="p">,</span><span·class="w"> |
| 169 | ··</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id=" | 169 | ··</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="3330492288-14">(</span><span·class="p"·data-group-id="3330492288-15">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SharedLib</span><span·class="p"·data-group-id="3330492288-15">}</span><span·class="p">[·...·truncated·by·diffoscope;·len:·181,·SHA:·85550318cca4f4fdcfd9dd8c6c6166227f4013709b24905d544d0e553b0910a3·...·]-14">)</span><span·class="p">,</span><span·class="w"> |
| 170 | ··</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 170 | ··</span><span·class="nf">loop</span><span·class="p"·data-group-id="3330492288-17">(</span><span·class="n">Port</span><span·class="p"·data-group-id="3330492288-17">)</span><span·class="p">.</span></code></pre><p>Now·<code·class="inline">complex5:foo/1</code>·and·<code·class="inline">complex5:bar/1</code>·can·be·implemented.·Both·send·a |
| 171 | message·to·the·<code·class="inline">complex</code>·process·and·receive·the·following·reply:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id=" | 171 | message·to·the·<code·class="inline">complex</code>·process·and·receive·the·following·reply:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="2685648428-1">(</span><span·class="n">X</span><span·class="p"·data-group-id="2685648428-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 172 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 172 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="2685648428-2">(</span><span·class="p"·data-group-id="2685648428-3">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="2685648428-3">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·8df35d14a6a666d5e0f5de61649c4bcd22e2cfcd5d8cd02f457538b85e5db5ce·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 173 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="2685648428-4">(</span><span·class="n">Y</span><span·class="p"·data-group-id="2685648428-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 174 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="2685648428-5">(</span><span·class="p"·data-group-id="2685648428-6">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="2685648428-6">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·8df35d14a6a666d5e0f5de61649c4bcd22e2cfcd5d8cd02f457538b85e5db5ce·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 175 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id="2685648428-7">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="2685648428-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 176 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 176 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="2685648428-8">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="2685648428-9">(</span><span·class="p"·data-group-id="2685648428-9">)</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·91,·SHA:·0e8591aa9bd959c12b0cbf36bb4f3be4ee37af6dbd8cd8f00b329bc3fd16ec87·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 177 | ····</span><span·class="k">receive</span><span·class="w"> | 177 | ····</span><span·class="k">receive</span><span·class="w"> |
| 178 | ········</span><span·class="p"·data-group-id=" | 178 | ········</span><span·class="p"·data-group-id="2685648428-10">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</span><span·class="p"·data-group-id="2685648428-10">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | ············</span><span·class="n">Result</span><span·class="w"> | 179 | ············</span><span·class="n">Result</span><span·class="w"> |
| 180 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">complex</code>·process·performs·the·following:</p><ul><li>Encodes·the·message·into·a·sequence·of·bytes.</li><li>Sends·it·to·the·port.</li><li>Waits·for·a·reply.</li><li>Decodes·the·reply.</li><li>Sends·it·back·to·the·caller:</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">complex</code>·process·performs·the·following:</p><ul><li>Encodes·the·message·into·a·sequence·of·bytes.</li><li>Sends·it·to·the·port.</li><li>Waits·for·a·reply.</li><li>Decodes·the·reply.</li><li>Sends·it·back·to·the·caller:</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id="6975269013-1">(</span><span·class="n">Port</span><span·class="p"·data-group-id="6975269013-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 181 | ····</span><span·class="k">receive</span><span·class="w"> | 181 | ····</span><span·class="k">receive</span><span·class="w"> |
| 182 | ········</span><span·class="p"·data-group-id=" | 182 | ········</span><span·class="p"·data-group-id="6975269013-2">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Caller</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="6975269013-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 183 | ············</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 183 | ············</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="6975269013-3">{</span><span·class="nf">self</span><span·class="p"·data-group-id="6975269013-4">(</span><span·class="p"·data-group-id="6975269013-4">)</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6975269013-5">{</span[·...·truncated·by·diffoscope;·len:·336,·SHA:·7407f839ad8417bf25731c96bfb99e0dbb27d32ce9e750f5d79c480a94e73c42·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 184 | ············</span><span·class="k">receive</span><span·class="w"> | 184 | ············</span><span·class="k">receive</span><span·class="w"> |
| 185 | ················</span><span·class="p"·data-group-id=" | 185 | ················</span><span·class="p"·data-group-id="6975269013-7">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6975269013-8">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><sp[·...·truncated·by·diffoscope;·len:·91,·SHA:·7659c17a5c349969474344f3aba63f2a12a4be6faf95d4b0ecb07db5b3165f34·...·]-7">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 186 | ····················</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 186 | ····················</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="6975269013-9">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">decode</span><span·class="p"·data-group-id="6975269013-10">(</span><span·class="n">Data</span><span·class="p"·data-group-id="6975269013-10[·...·truncated·by·diffoscope;·len:·51,·SHA:·4999f6b82bd5f6fdba2b2f1d7b3485aea0e31c8559afbbc3e1ba04b65abe448a·...·]-9">}</span><span·class="w"> |
| 187 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 187 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 188 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 188 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="6975269013-11">(</span><span·class="n">Port</span><span·class="p"·data-group-id="6975269013-11">)</span><span·class="w"> |
| 189 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Assuming·that·both·the·arguments·and·the·results·from·the·C·functions·are·less | 189 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Assuming·that·both·the·arguments·and·the·results·from·the·C·functions·are·less |
| 190 | than·256,·a·simple·encoding/decoding·scheme·is·employed.·In·this·scheme,·<code·class="inline">foo</code> | 190 | than·256,·a·simple·encoding/decoding·scheme·is·employed.·In·this·scheme,·<code·class="inline">foo</code> |
| 191 | is·represented·by·byte·1,·<code·class="inline">bar</code>·is·represented·by·2,·and·the·argument/result·is | 191 | is·represented·by·byte·1,·<code·class="inline">bar</code>·is·represented·by·2,·and·the·argument/result·is |
| 192 | represented·by·a·single·byte·as·well:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">encode</span><span·class="p"·data-group-id=" | 192 | represented·by·a·single·byte·as·well:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">encode</span><span·class="p"·data-group-id="3956965090-1">(</span><span·class="p"·data-group-id="3956965090-2">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="3956965090-2">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·291,·SHA:·a352ae5777a6e97bda6d618d7fd7f08777a1362573487b2b540608be525d2b35·...·]-3">]</span><span·class="p">;</span><span·class="w"> |
| 193 | </span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 193 | </span><span·class="nf">encode</span><span·class="p"·data-group-id="3956965090-4">(</span><span·class="p"·data-group-id="3956965090-5">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="3956965090-5">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·291,·SHA:·0d5824458dfdd3113cb500ae1d2e19e4e2eecacd4459daa5692cd29383ddd2d1·...·]-6">]</span><span·class="p">.</span><span·class="w"> |
| 194 | </span><span·class="nf">decode</span><span·class="p"·data-group-id=" | 194 | </span><span·class="nf">decode</span><span·class="p"·data-group-id="3956965090-7">(</span><span·class="p"·data-group-id="3956965090-8">[</span><span·class="n">Int</span><span·class="p"·data-group-id="3956965090-8">]</span><span·class="p"·data-group-id="3956965090-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Int</span><span·class="p">.</span></code></pre><p>The·resulting·Erlang·program,·including·functions·for·stopping·the·port·and |
| 195 | detecting·port·failures,·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> | 195 | detecting·port·failures,·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 196 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 196 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7157081482-1">(</span><span·class="ss">complex5</span><span·class="p"·data-group-id="7157081482-1">)</span><span·class="p">.</span><span·class="w"> |
| 197 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 197 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7157081482-2">(</span><span·class="p"·data-group-id="7157081482-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·241,·SHA:·cfd37856519778b981f6a4b27e07cdfb60a283936d228bde02dff09846cfca3f·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 198 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 198 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7157081482-4">(</span><span·class="p"·data-group-id="7157081482-5">[</span><span·class="ss">foo</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bar</span><span·class="p">/</span><span·[·...·truncated·by·diffoscope;·len:·113,·SHA:·a002a94aa909258e0416d6ad3303f73df5bb204bcd40ab4db88aff795ac148d3·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 199 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 199 | </span><span·class="nf">start</span><span·class="p"·data-group-id="7157081482-6">(</span><span·class="n">SharedLib</span><span·class="p"·data-group-id="7157081482-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 200 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id=" | 200 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id="7157081482-7">(</span><span·class="s">"."</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SharedLib</span><span·class="p"·data-group-id="7157081482-7">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 201 | » </span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 201 | » </span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 202 | » </span><span·class="p"·data-group-id=" | 202 | » </span><span·class="p"·data-group-id="7157081482-8">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">already_loaded</span><span·class="p"·data-group-id="7157081482-8">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 203 | » </span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 203 | » </span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id="7157081482-9">(</span><span·class="p"·data-group-id="7157081482-10">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">could_not_load_driver</span><span·class="p"·data-group-id="7157081482-10">}</span><spa[·...·truncated·by·diffoscope;·len:·37,·SHA:·ea71c0430f6d65a3c4e82336e6888a8d3ad2226cd5861725e532330d9beda21b·...·]-9">)</span><span·class="w"> |
| 204 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 204 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 205 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="7157081482-11">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7157081482-12">[</span><s[·...·truncated·by·diffoscope;·len:·125,·SHA:·9af8e5b6c374ff927cbd2b18f01711c0105e6f582a516d9ee3d0561e2c24cdb2·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 206 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 206 | </span><span·class="nf">init</span><span·class="p"·data-group-id="7157081482-13">(</span><span·class="n">SharedLib</span><span·class="p"·data-group-id="7157081482-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 207 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 207 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id="7157081482-14">(</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="7157081482-15">(</span><span·class="p"·data-group-id="7157081482-15">)</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·f2c7507187a36638ceb8434cf3f58449bddac898a26b566e400114b949dd38fa·...·]-14">)</span><span·class="p">,</span><span·class="w"> |
| 208 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id=" | 208 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="7157081482-16">(</span><span·class="p"·data-group-id="7157081482-17">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SharedLib</span><span·class="p"·data-group-id="7157081482-17">}</span><span·class="p">[·...·truncated·by·diffoscope;·len:·181,·SHA:·017a8ea827df2dd11785cf8bd4419bdd9689495d85775997e2c80ea245b9c87f·...·]-16">)</span><span·class="p">,</span><span·class="w"> |
| 209 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 209 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="7157081482-19">(</span><span·class="n">Port</span><span·class="p"·data-group-id="7157081482-19">)</span><span·class="p">.</span><span·class="w"> |
| 210 | </span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 210 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="7157081482-20">(</span><span·class="p"·data-group-id="7157081482-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 211 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">.</span><span·class="w"> | 211 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">.</span><span·class="w"> |
| 212 | </span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 212 | </span><span·class="nf">foo</span><span·class="p"·data-group-id="7157081482-21">(</span><span·class="n">X</span><span·class="p"·data-group-id="7157081482-21">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 213 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 213 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="7157081482-22">(</span><span·class="p"·data-group-id="7157081482-23">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="7157081482-23">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·2768b561c504f253f3e6aaf4b05148ed40da9afeac2936e7ca943a94b206475b·...·]-22">)</span><span·class="p">.</span><span·class="w"> |
| 214 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 214 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="7157081482-24">(</span><span·class="n">Y</span><span·class="p"·data-group-id="7157081482-24">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 215 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 215 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="7157081482-25">(</span><span·class="p"·data-group-id="7157081482-26">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="7157081482-26">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·2768b561c504f253f3e6aaf4b05148ed40da9afeac2936e7ca943a94b206475b·...·]-25">)</span><span·class="p">.</span><span·class="w"> |
| 216 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 216 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id="7157081482-27">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="7157081482-27">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 217 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 217 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="7157081482-28">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="7157081482-29">(</span><span·class="p"·data-group-id="7157081482-29">)</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·94,·SHA:·2b5fc39dcc8abf97ffdcf3b5dae327e3e17998d6834751fc035eef3143134937·...·]-28">}</span><span·class="p">,</span><span·class="w"> |
| 218 | ····</span><span·class="k">receive</span><span·class="w"> | 218 | ····</span><span·class="k">receive</span><span·class="w"> |
| 219 | » </span><span·class="p"·data-group-id=" | 219 | » </span><span·class="p"·data-group-id="7157081482-30">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</span><span·class="p"·data-group-id="7157081482-30">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | » ····</span><span·class="n">Result</span><span·class="w"> | 220 | » ····</span><span·class="n">Result</span><span·class="w"> |
| 221 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 221 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 222 | </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 222 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="7157081482-31">(</span><span·class="n">Port</span><span·class="p"·data-group-id="7157081482-31">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 223 | ····</span><span·class="k">receive</span><span·class="w"> | 223 | ····</span><span·class="k">receive</span><span·class="w"> |
| 224 | » </span><span·class="p"·data-group-id=" | 224 | » </span><span·class="p"·data-group-id="7157081482-32">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Caller</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="7157081482-32">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 225 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 225 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="7157081482-33">{</span><span·class="nf">self</span><span·class="p"·data-group-id="7157081482-34">(</span><span·class="p"·data-group-id="7157081482-34">)</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7157081482-35">{</[·...·truncated·by·diffoscope;·len:·343,·SHA:·ef51cb83ad407c20c93a3c18d9bf92691529860f7b7a6e19bc35a4b68b062f76·...·]-33">}</span><span·class="p">,</span><span·class="w"> |
| 226 | » ····</span><span·class="k">receive</span><span·class="w"> | 226 | » ····</span><span·class="k">receive</span><span·class="w"> |
| 227 | » » </span><span·class="p"·data-group-id=" | 227 | » » </span><span·class="p"·data-group-id="7157081482-37">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7157081482-38">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><[·...·truncated·by·diffoscope;·len:·94,·SHA:·6d85aa9bf79b2ba7fc250ef240eb72ec6fae3590b3b360bebc20f8da360f67a9·...·]-37">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 228 | » » ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 228 | » » ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="7157081482-39">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">decode</span><span·class="p"·data-group-id="7157081482-40">(</span><span·class="n">Data</span><span·class="p"·data-group-id="7157081482-4[·...·truncated·by·diffoscope;·len:·52,·SHA:·f2669f9d1b757e6320e6a7764b292a3b47cf9a9bd64a25c4622da9fbfb4c9c3a·...·]-39">}</span><span·class="w"> |
| 229 | » ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 229 | » ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 230 | » ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 230 | » ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="7157081482-41">(</span><span·class="n">Port</span><span·class="p"·data-group-id="7157081482-41">)</span><span·class="p">;</span><span·class="w"> |
| 231 | » </span><span·class="ss">stop</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 231 | » </span><span·class="ss">stop</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 232 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="7157081482-42">{</span><span·class="nf">self</span><span·class="p"·data-group-id="7157081482-43">(</span><span·class="p"·data-group-id="7157081482-43">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">close</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·575b185cf8bba3852264ca0f627a68bfa56491ace5478dcd1065de9dfce4cb56·...·]-42">}</span><span·class="p">,</span><span·class="w"> |
| 233 | » ····</span><span·class="k">receive</span><span·class="w"> | 233 | » ····</span><span·class="k">receive</span><span·class="w"> |
| 234 | » » </span><span·class="p"·data-group-id=" | 234 | » » </span><span·class="p"·data-group-id="7157081482-44">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">closed</span><span·class="p"·data-group-id="7157081482-44">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 235 | » » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 235 | » » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id="7157081482-45">(</span><span·class="ss">normal</span><span·class="p"·data-group-id="7157081482-45">)</span><span·class="w"> |
| 236 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 236 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 237 | » </span><span·class="p"·data-group-id=" | 237 | » </span><span·class="p"·data-group-id="7157081482-46">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="7157081482-46">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 238 | » ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 238 | » ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="7157081482-47">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">·</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7157081482-48">[</sp[·...·truncated·by·diffoscope;·len:·127,·SHA:·e8845ed610bef147f6fc22daba0ad46c2005eed3b2debe305fc29cee03035842·...·]-47">)</span><span·class="p">,</span><span·class="w"> |
| 239 | » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 239 | » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id="7157081482-49">(</span><span·class="ss">port_terminated</span><span·class="p"·data-group-id="7157081482-49">)</span><span·class="w"> |
| 240 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 240 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 241 | </span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 241 | </span><span·class="nf">encode</span><span·class="p"·data-group-id="7157081482-50">(</span><span·class="p"·data-group-id="7157081482-51">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="7157081482-51">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·296,·SHA:·12e98ea3b800712eb0515010b0c8ae142eb26da60302a43eb3d7b5e203b09504·...·]-52">]</span><span·class="p">;</span><span·class="w"> |
| 242 | </span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 242 | </span><span·class="nf">encode</span><span·class="p"·data-group-id="7157081482-53">(</span><span·class="p"·data-group-id="7157081482-54">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="7157081482-54">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·296,·SHA:·7d782074d2ed2c9df2ccc0d4268804fa827d1bf4f9ae91e01506d65e12bf8879·...·]-55">]</span><span·class="p">.</span><span·class="w"> |
| 243 | </span><span·class="nf">decode</span><span·class="p"·data-group-id=" | 243 | </span><span·class="nf">decode</span><span·class="p"·data-group-id="7157081482-56">(</span><span·class="p"·data-group-id="7157081482-57">[</span><span·class="n">Int</span><span·class="p"·data-group-id="7157081482-57">]</span><span·class="p"·data-group-id="7157081482-56">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Int</span><span·class="p">.</span></code></pre><h2·id="c-driver"·class="section-heading"> |
| 244 | ··<a·href="#c-driver"·class="hover-link"> | 244 | ··<a·href="#c-driver"·class="hover-link"> |
| 245 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 245 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 246 | ··</a> | 246 | ··</a> |
| 247 | ··<span·class="text">C·Driver</span> | 247 | ··<span·class="text">C·Driver</span> |
| 248 | </h2> | 248 | </h2> |
| 249 | <p>The·C·driver·is·a·module·that·is·compiled·and·linked·into·a·shared·library.·It | 249 | <p>The·C·driver·is·a·module·that·is·compiled·and·linked·into·a·shared·library.·It |
| 250 | uses·a·driver·structure·and·includes·the·header·file·<code·class="inline">erl_driver.h</code>.</p><p>The·driver·structure·is·filled·with·the·driver·name·and·function·pointers.·It·is | 250 | uses·a·driver·structure·and·includes·the·header·file·<code·class="inline">erl_driver.h</code>.</p><p>The·driver·structure·is·filled·with·the·driver·name·and·function·pointers.·It·is |
| Offset 347, 25 lines modified | Offset 347, 25 lines modified | ||
| 347 | ··<a·href="#running-the-example"·class="hover-link"> | 347 | ··<a·href="#running-the-example"·class="hover-link"> |
| 348 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 348 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 349 | ··</a> | 349 | ··</a> |
| 350 | ··<span·class="text">Running·the·Example</span> | 350 | ··<span·class="text">Running·the·Example</span> |
| 351 | </h2> | 351 | </h2> |
| 352 | <p><em>Step·1.</em>·Compile·the·C·code:</p><pre><code·class="text">unix>·gcc·-o·example_drv.so·-fpic·-shared·complex.c·port_driver.c | 352 | <p><em>Step·1.</em>·Compile·the·C·code:</p><pre><code·class="text">unix>·gcc·-o·example_drv.so·-fpic·-shared·complex.c·port_driver.c |
| 353 | windows>·cl·-LD·-MD·-Fe·example_drv.dll·complex.c·port_driver.c</code></pre><p><em>Step·2.</em>·Start·Erlang·and·compile·the·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="ss">erl</span><span·class="w"> | 353 | windows>·cl·-LD·-MD·-Fe·example_drv.dll·complex.c·port_driver.c</code></pre><p><em>Step·2.</em>·Start·Erlang·and·compile·the·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="ss">erl</span><span·class="w"> |
| 354 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">26</span><span·class="w">·</span><span·class="p"·data-group-id=" | 354 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">26</span><span·class="w">·</span><span·class="p"·data-group-id="5203595187-1">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">14.2</span><span·class="p"·data-group-id="5203595187-1">]</span><span·class="w">·</span><span·class="p"·data-group-id="5203595187-2">[</span><span·class="ss">source<[·...·truncated·by·diffoscope;·len:·1282,·SHA:·bd21fccb1f68b9eefa275f958db9fe5a833a7372ac18158a10f546b13373cbc2·...·]7-7">]</span><span·class="w"> |
| 355 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V14</span><span·class="p">.</span><span·class="mi">2</span><span·class="w">·</span><span·class="p"·data-group-id=" | 355 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V14</span><span·class="p">.</span><span·class="mi">2</span><span·class="w">·</span><span·class="p"·data-group-id="5203595187-8">(</span><span·class="ss">press</span><span·class="w">·</span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">G</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">abort</span><sp[·...·truncated·by·diffoscope;·len:·398,·SHA:·d13824eb3a1ff2618738156af7b68fdda324ab194fff44c9d8fa2e4e43f2213e·...·]7-8">)</span><span·class="gp·unselectable"> |
| 356 | 1>·</span><span·class="nf">c</span><span·class="p"·data-group-id=" | 356 | 1>·</span><span·class="nf">c</span><span·class="p"·data-group-id="5203595187-10">(</span><span·class="ss">complex5</span><span·class="p"·data-group-id="5203595187-10">)</span><span·class="p">.</span><span·class="w"> |
| 357 | </span><span·class="p"·data-group-id=" | 357 | </span><span·class="p"·data-group-id="5203595187-11">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">complex5</span><span·class="p"·data-group-id="5203595187-11">}</span></code></pre><p><em>Step·3.</em>·Run·the·example:</p><pre><code·class="makeup·erlang"·translate="[·...·truncated·by·diffoscope;·len:·272,·SHA:·f582514b65357f3e33c5890439800f1dfd2291caa0a5324723ef72b1c4627240·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 358 | </span><span·class="o"><</span><span·class="mf">0.34</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> | 358 | </span><span·class="o"><</span><span·class="mf">0.34</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> |
| 359 | 3>·</span><span·class="nc">complex5</span><span·class="p">:</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 359 | 3>·</span><span·class="nc">complex5</span><span·class="p">:</span><span·class="nf">foo</span><span·class="p"·data-group-id="8606880291-2">(</span><span·class="mi">3</span><span·class="p"·data-group-id="8606880291-2">)</span><span·class="p">.</span><span·class="w"> |
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| Offset 186, 15 lines modified | Offset 186, 15 lines modified | ||
| 186 | ······<p·class="built-using"> | 186 | ······<p·class="built-using"> |
| 187 | ········Built·using | 187 | ········Built·using |
| 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 190 | ······</p> | 190 | ······</p> |
| 191 | <p>Copyright·©·1996-202 | 191 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 192 | ····</footer> | 192 | ····</footer> |
| 193 | ··</div> | 193 | ··</div> |
| 194 | </main> | 194 | </main> |
| 195 | </div> | 195 | </div> |
| 196 | <script> | 196 | <script> |
| 197 | ··function·mermaidLoaded()·{ | 197 | ··function·mermaidLoaded()·{ |
| 198 | ····mermaid.initialize({ | 198 | ····mermaid.initialize({ |
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| 164 | ······<p·class="built-using"> | 164 | ······<p·class="built-using"> |
| 165 | ········Built·using | 165 | ········Built·using |
| 166 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 166 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 167 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 167 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 168 | ······</p> | 168 | ······</p> |
| 169 | <p>Copyright·©·1996-202 | 169 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 170 | ····</footer> | 170 | ····</footer> |
| 171 | ··</div> | 171 | ··</div> |
| 172 | </main> | 172 | </main> |
| 173 | </div> | 173 | </div> |
| 174 | <script> | 174 | <script> |
| 175 | ··function·mermaidLoaded()·{ | 175 | ··function·mermaidLoaded()·{ |
| 176 | ····mermaid.initialize({ | 176 | ····mermaid.initialize({ |
| Offset 122, 16 lines modified | Offset 122, 16 lines modified | ||
| 122 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 122 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 123 | ··</a> | 123 | ··</a> |
| 124 | ··<span·class="text">Compilation</span> | 124 | ··<span·class="text">Compilation</span> |
| 125 | </h2> | 125 | </h2> |
| 126 | <p>Erlang·programs·must·be·<em>compiled</em>·to·object·code.·The·compiler·can·generate·a | 126 | <p>Erlang·programs·must·be·<em>compiled</em>·to·object·code.·The·compiler·can·generate·a |
| 127 | new·file·that·contains·the·object·code.·The·current·abstract·machine,·which·runs | 127 | new·file·that·contains·the·object·code.·The·current·abstract·machine,·which·runs |
| 128 | the·object·code,·is·called·BEAM,·therefore·the·object·files·get·the·suffix | 128 | the·object·code,·is·called·BEAM,·therefore·the·object·files·get·the·suffix |
| 129 | <code·class="inline">.beam</code>.·The·compiler·can·also·generate·a·binary·which·can·be·loaded·directly.</p><p>The·compiler·is·located·in·the·module·<a·href="../../lib/compiler-8.6/doc/html/compile.html"><code·class="inline">compile</code></a>·in·Compiler.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">compile</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id=" | 129 | <code·class="inline">.beam</code>.·The·compiler·can·also·generate·a·binary·which·can·be·loaded·directly.</p><p>The·compiler·is·located·in·the·module·<a·href="../../lib/compiler-8.6/doc/html/compile.html"><code·class="inline">compile</code></a>·in·Compiler.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">compile</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id="0146719109-1">(</span><span·class="n">Module</span><span·class="p"·data-group-id="0146719109-1">)</span><span·class="w"> |
| 130 | </span><span·class="nc">compile</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id=" | 130 | </span><span·class="nc">compile</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id="0146719109-2">(</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Options</span><span·class="p"·data-group-id="0146719109-2">)</span></code></pre><p>The·Erlang·shell·understands·the·command·<code·class="inline">c(Module)</code>,·which·both·compiles·and |
| 131 | loads·<code·class="inline">Module</code>.</p><p>There·is·also·a·module·<code·class="inline">make</code>,·which·provides·a·set·of·functions·similar·to·the | 131 | loads·<code·class="inline">Module</code>.</p><p>There·is·also·a·module·<code·class="inline">make</code>,·which·provides·a·set·of·functions·similar·to·the |
| 132 | UNIX·type·Make·functions,·see·module·<a·href="../../lib/tools-4.1.1/doc/html/make.html"><code·class="inline">make</code></a>·in·Tools.</p><p>The·compiler·can·also·be·accessed·from·the·OS·prompt·using·the | 132 | UNIX·type·Make·functions,·see·module·<a·href="../../lib/tools-4.1.1/doc/html/make.html"><code·class="inline">make</code></a>·in·Tools.</p><p>The·compiler·can·also·be·accessed·from·the·OS·prompt·using·the |
| 133 | <a·href="../../erts-15.2.3/doc/html/erl_cmd.html">erl</a>·executable·in·ERTS.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-compile·Module1...ModuleN</span><span·class="w"> | 133 | <a·href="../../erts-15.2.3/doc/html/erl_cmd.html">erl</a>·executable·in·ERTS.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-compile·Module1...ModuleN</span><span·class="w"> |
| 134 | </span><span·class="c1">%·erl·-make</span></code></pre><p>The·<code·class="inline">erlc</code>·program·provides·way·to·compile·modules·from·the·OS | 134 | </span><span·class="c1">%·erl·-make</span></code></pre><p>The·<code·class="inline">erlc</code>·program·provides·way·to·compile·modules·from·the·OS |
| 135 | shell,·see·the·<a·href="../../erts-15.2.3/doc/html/erlc_cmd.html">erlc</a>·executable·in·ERTS.·It | 135 | shell,·see·the·<a·href="../../erts-15.2.3/doc/html/erlc_cmd.html">erlc</a>·executable·in·ERTS.·It |
| 136 | understands·a·number·of·flags·that·can·be·used·to·define·macros,·add·search | 136 | understands·a·number·of·flags·that·can·be·used·to·define·macros,·add·search |
| 137 | paths·for·include·files,·and·more.</p><pre><code·class="text">%·erlc·<flags>·File1.erl...FileN.erl</code></pre><p><a·href=""·id="loading"></a></p><h2·id="code-loading"·class="section-heading"> | 137 | paths·for·include·files,·and·more.</p><pre><code·class="text">%·erlc·<flags>·File1.erl...FileN.erl</code></pre><p><a·href=""·id="loading"></a></p><h2·id="code-loading"·class="section-heading"> |
| Offset 156, 54 lines modified | Offset 156, 54 lines modified | ||
| 156 | When·a·module·is·loaded·into·the·system·for·the·first·time,·the·code·becomes | 156 | When·a·module·is·loaded·into·the·system·for·the·first·time,·the·code·becomes |
| 157 | 'current'.·If·then·a·new·instance·of·the·module·is·loaded,·the·code·of·the | 157 | 'current'.·If·then·a·new·instance·of·the·module·is·loaded,·the·code·of·the |
| 158 | previous·instance·becomes·'old'·and·the·new·instance·becomes·'current'.</p><p>Both·old·and·current·code·is·valid,·and·can·be·evaluated·concurrently.·Fully | 158 | previous·instance·becomes·'old'·and·the·new·instance·becomes·'current'.</p><p>Both·old·and·current·code·is·valid,·and·can·be·evaluated·concurrently.·Fully |
| 159 | qualified·function·calls·always·refer·to·current·code.·Old·code·can·still·be | 159 | qualified·function·calls·always·refer·to·current·code.·Old·code·can·still·be |
| 160 | evaluated·because·of·processes·lingering·in·the·old·code.</p><p>If·a·third·instance·of·the·module·is·loaded,·the·code·server·removes·(purges) | 160 | evaluated·because·of·processes·lingering·in·the·old·code.</p><p>If·a·third·instance·of·the·module·is·loaded,·the·code·server·removes·(purges) |
| 161 | the·old·code·and·any·processes·lingering·in·it·is·terminated.·Then·the·third | 161 | the·old·code·and·any·processes·lingering·in·it·is·terminated.·Then·the·third |
| 162 | instance·becomes·'current'·and·the·previously·current·code·becomes·'old'.</p><p>To·change·from·old·code·to·current·code,·a·process·must·make·a·fully·qualified | 162 | instance·becomes·'current'·and·the·previously·current·code·becomes·'old'.</p><p>To·change·from·old·code·to·current·code,·a·process·must·make·a·fully·qualified |
| 163 | function·call.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="6984295436-1">(</span><span·class="ss">m</span><span·class="p"·data-group-id="6984295436-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 164 | </ | 163 | function·call.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2875891516-1">(</span><span·class="ss">m</span><span·class="p"·data-group-id="287[·...·truncated·by·diffoscope;·len:·9,·SHA:·27852dd203ffda3c6e423ea5d661ffcc49a1ebd71ab1216cd7f29e3398df90b8·...·]">)</span><span·class="p">.</span><span·class="w"> |
| 164 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2875891516-2">(</span><span·class="p"·data-group-id="2875891516-3">[</span><span·class="ss">loop</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="2875891516-3">]</span><span·class="p"·data-group-id="2875891516-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 165 | </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 165 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="2875891516-4">(</span><span·class="p"·data-group-id="2875891516-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 166 | ····</span><span·class="k">receive</span><span·class="w"> | 166 | ····</span><span·class="k">receive</span><span·class="w"> |
| 167 | ········</span><span·class="ss">code_switch</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 167 | ········</span><span·class="ss">code_switch</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 168 | ············</span><span·class="nc">m</span><span·class="p">:</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 168 | ············</span><span·class="nc">m</span><span·class="p">:</span><span·class="nf">loop</span><span·class="p"·data-group-id="2875891516-5">(</span><span·class="p"·data-group-id="2875891516-5">)</span><span·class="p">;</span><span·class="w"> |
| 169 | ········</span><span·class="n">Msg</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 169 | ········</span><span·class="n">Msg</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 170 | ············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 170 | ············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 171 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 171 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="2875891516-6">(</span><span·class="p"·data-group-id="2875891516-6">)</span><span·class="w"> |
| 172 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>To·make·the·process·change·code,·send·the·message·<code·class="inline">code_switch</code>·to·it.·The | 172 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>To·make·the·process·change·code,·send·the·message·<code·class="inline">code_switch</code>·to·it.·The |
| 173 | process·then·makes·a·fully·qualified·call·to·<code·class="inline">m:loop()</code>·and·changes·to·current | 173 | process·then·makes·a·fully·qualified·call·to·<code·class="inline">m:loop()</code>·and·changes·to·current |
| 174 | code.·Notice·that·<code·class="inline">m:loop/0</code>·must·be·exported.</p><p>For·code·replacement·of·funs·to·work,·use·the·syntax | 174 | code.·Notice·that·<code·class="inline">m:loop/0</code>·must·be·exported.</p><p>For·code·replacement·of·funs·to·work,·use·the·syntax |
| 175 | <code·class="inline">fun·Module:FunctionName/Arity</code>.</p><p><a·href=""·id="on_load"></a></p><h2·id="running-a-function-when-a-module-is-loaded"·class="section-heading"> | 175 | <code·class="inline">fun·Module:FunctionName/Arity</code>.</p><p><a·href=""·id="on_load"></a></p><h2·id="running-a-function-when-a-module-is-loaded"·class="section-heading"> |
| 176 | ··<a·href="#running-a-function-when-a-module-is-loaded"·class="hover-link"> | 176 | ··<a·href="#running-a-function-when-a-module-is-loaded"·class="hover-link"> |
| 177 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 177 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 178 | ··</a> | 178 | ··</a> |
| 179 | ··<span·class="text">Running·a·Function·When·a·Module·is·Loaded</span> | 179 | ··<span·class="text">Running·a·Function·When·a·Module·is·Loaded</span> |
| 180 | </h2> | 180 | </h2> |
| 181 | <p>The·<code·class="inline">-on_load()</code>·directive·names·a·function·that·is·to·be·run·automatically·when | 181 | <p>The·<code·class="inline">-on_load()</code>·directive·names·a·function·that·is·to·be·run·automatically·when |
| 182 | a·module·is·loaded.</p><p>Its·syntax·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">on_load</span><span·class="p"·data-group-id="2 | 182 | a·module·is·loaded.</p><p>Its·syntax·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">on_load</span><span·class="p"·data-group-id="2923326577-1">(</span><span·class="n">Name</span><span·class="o">/</span><span·class="mi">0</span><span·class="p"·data-group-id="2923326577-1">)</span><span·class="p">.</span></code></pre><p>It·is·not·necessary·to·export·the·function.·It·is·called·in·a·freshly·spawned |
| 183 | process·(which·terminates·as·soon·as·the·function·returns).</p><p>The·function·must·return·<code·class="inline">ok</code>·if·the·module·is·to·become·the·new·current·code | 183 | process·(which·terminates·as·soon·as·the·function·returns).</p><p>The·function·must·return·<code·class="inline">ok</code>·if·the·module·is·to·become·the·new·current·code |
| 184 | for·the·module·and·become·callable.</p><p>Returning·any·other·value·or·generating·an·exception·causes·the·new·code·to·be | 184 | for·the·module·and·become·callable.</p><p>Returning·any·other·value·or·generating·an·exception·causes·the·new·code·to·be |
| 185 | unloaded.·If·the·return·value·is·not·an·atom,·a·warning·error·report·is·sent·to | 185 | unloaded.·If·the·return·value·is·not·an·atom,·a·warning·error·report·is·sent·to |
| 186 | the·error·logger.</p><p>If·there·already·is·current·code·for·the·module,·that·code·will·remain·current | 186 | the·error·logger.</p><p>If·there·already·is·current·code·for·the·module,·that·code·will·remain·current |
| 187 | and·can·be·called·until·the·<code·class="inline">on_load</code>·function·has·returned.·If·the·<code·class="inline">on_load</code> | 187 | and·can·be·called·until·the·<code·class="inline">on_load</code>·function·has·returned.·If·the·<code·class="inline">on_load</code> |
| 188 | function·fails,·the·current·code·(if·any)·will·remain·current.·If·there·is·no | 188 | function·fails,·the·current·code·(if·any)·will·remain·current.·If·there·is·no |
| 189 | current·code·for·a·module,·any·process·that·makes·an·external·call·to·the·module | 189 | current·code·for·a·module,·any·process·that·makes·an·external·call·to·the·module |
| 190 | before·the·<code·class="inline">on_load</code>·function·has·finished·will·be·suspended·until·the·<code·class="inline">on_load</code> | 190 | before·the·<code·class="inline">on_load</code>·function·has·finished·will·be·suspended·until·the·<code·class="inline">on_load</code> |
| 191 | function·have·finished.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·Erlang/OTP·19,·if·the·<code·class="inline">on_load</code>·function·failed,·any·previously·current | 191 | function·have·finished.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·Erlang/OTP·19,·if·the·<code·class="inline">on_load</code>·function·failed,·any·previously·current |
| 192 | code·would·become·old,·essentially·leaving·the·system·without·any·working·and | 192 | code·would·become·old,·essentially·leaving·the·system·without·any·working·and |
| 193 | reachable·instance·of·the·module.</p></section><p>In·embedded·mode,·first·all·modules·are·loaded.·Then·all·<code·class="inline">on_load</code>·functions·are | 193 | reachable·instance·of·the·module.</p></section><p>In·embedded·mode,·first·all·modules·are·loaded.·Then·all·<code·class="inline">on_load</code>·functions·are |
| 194 | called.·The·system·is·terminated·unless·all·of·the·<code·class="inline">on_load</code>·functions·return | 194 | called.·The·system·is·terminated·unless·all·of·the·<code·class="inline">on_load</code>·functions·return |
| 195 | <code·class="inline">ok</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 195 | <code·class="inline">ok</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="8947690926-1">(</span><span·class="ss">m</span><span·class="p"·data-group-id="8947690926-1">)</span><span·class="p">.</span><span·class="w"> |
| 196 | </span><span·class="p">-</span><span·class="na">on_load</span><span·class="p"·data-group-id=" | 196 | </span><span·class="p">-</span><span·class="na">on_load</span><span·class="p"·data-group-id="8947690926-2">(</span><span·class="ss">load_my_nifs</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="8947690926-2">)</span><span·class="p">.</span><span·class="w"> |
| 197 | </span><span·class="nf">load_my_nifs</span><span·class="p"·data-group-id=" | 197 | </span><span·class="nf">load_my_nifs</span><span·class="p"·data-group-id="8947690926-3">(</span><span·class="p"·data-group-id="8947690926-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 198 | ····</span><span·class="n">NifPath</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w">····</span><span·class="c1">%Set·up·the·path·to·the·NIF·library.</span><span·class="w"> | 198 | ····</span><span·class="n">NifPath</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w">····</span><span·class="c1">%Set·up·the·path·to·the·NIF·library.</span><span·class="w"> |
| 199 | ····</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%Initialize·the·Info·term</span><span·class="w"> | 199 | ····</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%Initialize·the·Info·term</span><span·class="w"> |
| 200 | ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">load_nif</span><span·class="p"·data-group-id=" | 200 | ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">load_nif</span><span·class="p"·data-group-id="8947690926-4">(</span><span·class="n">NifPath</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Info</span><span·class="p"·data-group-id="8947690926-4">)</span><span·class="p">.</span></code></pre><p>If·the·call·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#load_nif/2"><code·class="inline">erlang:load_nif/2</code></a>·fails,·the·module·is·unloaded·and·a·warning |
| 201 | report·is·sent·to·the·error·loader.</p> | 201 | report·is·sent·to·the·error·loader.</p> |
| 202 | </div> | 202 | </div> |
| 203 | <div·class="bottom-actions"·id="bottom-actions"> | 203 | <div·class="bottom-actions"·id="bottom-actions"> |
| 204 | ··<div·class="bottom-actions-item"> | 204 | ··<div·class="bottom-actions-item"> |
| 205 | ······<a·href="distributed.html"·class="bottom-actions-button"·rel="prev"> | 205 | ······<a·href="distributed.html"·class="bottom-actions-button"·rel="prev"> |
| Offset 247, 15 lines modified | Offset 247, 15 lines modified | ||
| 247 | ······<p·class="built-using"> | 247 | ······<p·class="built-using"> |
| 248 | ········Built·using | 248 | ········Built·using |
| 249 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 249 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 250 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 250 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 251 | ······</p> | 251 | ······</p> |
| 252 | <p>Copyright·©·1996-202 | 252 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 253 | ····</footer> | 253 | ····</footer> |
| 254 | ··</div> | 254 | ··</div> |
| 255 | </main> | 255 | </main> |
| 256 | </div> | 256 | </div> |
| 257 | <script> | 257 | <script> |
| 258 | ··function·mermaidLoaded()·{ | 258 | ··function·mermaidLoaded()·{ |
| 259 | ····mermaid.initialize({ | 259 | ····mermaid.initialize({ |
| Offset 118, 31 lines modified | Offset 118, 31 lines modified | ||
| 118 | <p>This·section·lists·a·few·constructs·to·watch·out·for.</p><h2·id="operator"·class="section-heading"> | 118 | <p>This·section·lists·a·few·constructs·to·watch·out·for.</p><h2·id="operator"·class="section-heading"> |
| 119 | ··<a·href="#operator"·class="hover-link"> | 119 | ··<a·href="#operator"·class="hover-link"> |
| 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 121 | ··</a> | 121 | ··</a> |
| 122 | ··<span·class="text">Operator·<code·class="inline">++</code></span> | 122 | ··<span·class="text">Operator·<code·class="inline">++</code></span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>The·<code·class="inline">++</code>·operator·copies·its·left-hand·side·operand.·That·is·clearly | 124 | <p>The·<code·class="inline">++</code>·operator·copies·its·left-hand·side·operand.·That·is·clearly |
| 125 | seen·if·we·do·our·own·implementation·in·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_plus_plus</span><span·class="p"·data-group-id=" | 125 | seen·if·we·do·our·own·implementation·in·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_plus_plus</span><span·class="p"·data-group-id="6644775971-1">(</span><span·class="p"·data-group-id="6644775971-2">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="6644775971-2">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·60,·SHA:·51d8543bb70dca79bd4d1921ddda349e862e6bbfae1c8632aadcf7f557d82d21·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 126 | ····</span><span·class="p"·data-group-id=" | 126 | ····</span><span·class="p"·data-group-id="6644775971-3">[</span><span·class="n">H</span><span·class="p">|</span><span·class="nf">my_plus_plus</span><span·class="p"·data-group-id="6644775971-4">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tail</spa[·...·truncated·by·diffoscope;·len:·96,·SHA:·d0a1ba5f6cc39ad812b200466f61ee6c114871ad41abe94b7ef47a44a920cd64·...·]-3">]</span><span·class="p">;</span><span·class="w"> |
| 127 | </span><span·class="nf">my_plus_plus</span><span·class="p"·data-group-id=" | 127 | </span><span·class="nf">my_plus_plus</span><span·class="p"·data-group-id="6644775971-5">(</span><span·class="p"·data-group-id="6644775971-6">[</span><span·class="p"·data-group-id="6644775971-6">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tail</span><span·class="p"·data-group-id="6644775971-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 128 | ····</span><span·class="n">Tail</span><span·class="p">.</span></code></pre><p>We·must·be·careful·how·we·use·<code·class="inline">++</code>·in·a·loop.·First·is·how·not·to·use·it:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">naive_reverse</span><span·class="p"·data-group-id=" | 128 | ····</span><span·class="n">Tail</span><span·class="p">.</span></code></pre><p>We·must·be·careful·how·we·use·<code·class="inline">++</code>·in·a·loop.·First·is·how·not·to·use·it:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">naive_reverse</span><span·class="p"·data-group-id="3434362589-1">(</span><span·class="p"·data-group-id="3434362589-2">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="3434362589-2">]</span><span·class="p"·data-group-id="3434362589-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 129 | ····</span><span·class="nf">naive_reverse</span><span·class="p"·data-group-id=" | 129 | ····</span><span·class="nf">naive_reverse</span><span·class="p"·data-group-id="3434362589-3">(</span><span·class="n">T</span><span·class="p"·data-group-id="3434362589-3">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="p"·data-group-id="3434362589-4">[</span><span·class="n">H</span><span·c[·...·truncated·by·diffoscope;·len:·34,·SHA:·1efb0d0eefe812a14f002a7b3399f09051636c76ed9768fdf44352b473a3d624·...·]-4">]</span><span·class="p">;</span><span·class="w"> |
| 130 | </span><span·class="nf">naive_reverse</span><span·class="p"·data-group-id=" | 130 | </span><span·class="nf">naive_reverse</span><span·class="p"·data-group-id="3434362589-5">(</span><span·class="p"·data-group-id="3434362589-6">[</span><span·class="p"·data-group-id="3434362589-6">]</span><span·class="p"·data-group-id="3434362589-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 131 | ····</span><span·class="p"·data-group-id=" | 131 | ····</span><span·class="p"·data-group-id="3434362589-7">[</span><span·class="p"·data-group-id="3434362589-7">]</span><span·class="p">.</span></code></pre><p>As·the·<code·class="inline">++</code>·operator·copies·its·left-hand·side·operand,·the·growing |
| 132 | result·is·copied·repeatedly,·leading·to·quadratic·complexity.</p><p>On·the·other·hand,·using·<code·class="inline">++</code>·in·loop·like·this·is·perfectly·fine:</p><p><strong>OK</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id=" | 132 | result·is·copied·repeatedly,·leading·to·quadratic·complexity.</p><p>On·the·other·hand,·using·<code·class="inline">++</code>·in·loop·like·this·is·perfectly·fine:</p><p><strong>OK</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id="6248711694-1">(</span><span·class="n">List</span><span·class="p"·data-group-id="6248711694-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 133 | ····</span><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id=" | 133 | ····</span><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id="6248711694-2">(</span><span·class="n">List</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6248711694-3">[</span><span·class="p"·data-group-id="6248711694-3">]</span><span·class="p"·data-group-id="6248711694-2">)</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id=" | 134 | </span><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id="6248711694-4">(</span><span·class="p"·data-group-id="6248711694-5">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="6248711694-5">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·59,·SHA:·fa5c9739fcdf62ab9feca8437cd06eced5bc5a762b12ff03d150665a87eb1ce0·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 135 | ····</span><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id=" | 135 | ····</span><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id="6248711694-6">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6248711694-7">[</span><span·class="n">H</span><span·class="p"·data-group-id="6248711694-7">]</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·108,·SHA:·1e052d27d40eed7c58514c7632266af072c4959b47ff2ec91b5dffd74d5d0c19·...·]-6">)</span><span·class="p">;</span><span·class="w"> |
| 136 | </span><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id=" | 136 | </span><span·class="nf">naive_but_ok_reverse</span><span·class="p"·data-group-id="6248711694-8">(</span><span·class="p"·data-group-id="6248711694-9">[</span><span·class="p"·data-group-id="6248711694-9">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="6248711694-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 137 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>Each·list·element·is·copied·only·once.·The·growing·result·<code·class="inline">Acc</code>·is·the·right-hand | 137 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>Each·list·element·is·copied·only·once.·The·growing·result·<code·class="inline">Acc</code>·is·the·right-hand |
| 138 | side·operand,·which·it·is·<em>not</em>·copied.</p><p>Experienced·Erlang·programmers·would·probably·write·as·follows:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">vanilla_reverse</span><span·class="p"·data-group-id=" | 138 | side·operand,·which·it·is·<em>not</em>·copied.</p><p>Experienced·Erlang·programmers·would·probably·write·as·follows:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">vanilla_reverse</span><span·class="p"·data-group-id="0045968656-1">(</span><span·class="p"·data-group-id="0045968656-2">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="0045968656-2">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·59,·SHA:·7cbc42b099893c3f60ac075ac0fceecd401436164fe49015d1dde181e7ae968e·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 139 | ····</span><span·class="nf">vanilla_reverse</span><span·class="p"·data-group-id=" | 139 | ····</span><span·class="nf">vanilla_reverse</span><span·class="p"·data-group-id="0045968656-3">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0045968656-4">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">Acc</span><span·class="p"·data-group-id="0045[·...·truncated·by·diffoscope;·len:·59,·SHA:·d83e4c353c8c74ea51d7600b3832f0fe06cc7aa02bbcf66885aa0937012783cd·...·]-3">)</span><span·class="p">;</span><span·class="w"> |
| 140 | </span><span·class="nf">vanilla_reverse</span><span·class="p"·data-group-id=" | 140 | </span><span·class="nf">vanilla_reverse</span><span·class="p"·data-group-id="0045968656-5">(</span><span·class="p"·data-group-id="0045968656-6">[</span><span·class="p"·data-group-id="0045968656-6">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="0045968656-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 141 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>In·principle,·this·is·slightly·more·efficient·because·the·list·element·<code·class="inline">[H]</code> | 141 | ····</span><span·class="n">Acc</span><span·class="p">.</span></code></pre><p>In·principle,·this·is·slightly·more·efficient·because·the·list·element·<code·class="inline">[H]</code> |
| 142 | is·not·built·before·being·copied·and·discarded.·In·practice,·the·compiler | 142 | is·not·built·before·being·copied·and·discarded.·In·practice,·the·compiler |
| 143 | rewrites·<code·class="inline">[H]·++·Acc</code>·to·<code·class="inline">[H|Acc]</code>.</p><h2·id="timer-module"·class="section-heading"> | 143 | rewrites·<code·class="inline">[H]·++·Acc</code>·to·<code·class="inline">[H|Acc]</code>.</p><h2·id="timer-module"·class="section-heading"> |
| 144 | ··<a·href="#timer-module"·class="hover-link"> | 144 | ··<a·href="#timer-module"·class="hover-link"> |
| 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 146 | ··</a> | 146 | ··</a> |
| 147 | ··<span·class="text">Timer·Module</span> | 147 | ··<span·class="text">Timer·Module</span> |
| Offset 160, 77 lines modified | Offset 160, 77 lines modified | ||
| 160 | therefore·harmless.</p><h2·id="accidental-copying-and-loss-of-sharing"·class="section-heading"> | 160 | therefore·harmless.</p><h2·id="accidental-copying-and-loss-of-sharing"·class="section-heading"> |
| 161 | ··<a·href="#accidental-copying-and-loss-of-sharing"·class="hover-link"> | 161 | ··<a·href="#accidental-copying-and-loss-of-sharing"·class="hover-link"> |
| 162 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 162 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 163 | ··</a> | 163 | ··</a> |
| 164 | ··<span·class="text">Accidental·Copying·and·Loss·of·Sharing</span> | 164 | ··<span·class="text">Accidental·Copying·and·Loss·of·Sharing</span> |
| 165 | </h2> | 165 | </h2> |
| 166 | <p>When·spawning·a·new·process·using·a·fun,·one·can·accidentally·copy·more·data·to | 166 | <p>When·spawning·a·new·process·using·a·fun,·one·can·accidentally·copy·more·data·to |
| 167 | the·process·than·intended.·For·example:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">accidental1</span><span·class="p"·data-group-id="6 | 167 | the·process·than·intended.·For·example:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">accidental1</span><span·class="p"·data-group-id="9632380674-1">(</span><span·class="n">State</span><span·class="p"·data-group-id="9632380674-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 168 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="6 | 168 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="9632380674-2">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="9632380674-3">(</span><span·class="p"·data-group-id="9632380674-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 169 | ··················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6 | 169 | ··················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="9632380674-4">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">\n"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9632380674-5">[</span><span·class="n">State</span><span·class="o">#</[·...·truncated·by·diffoscope;·len:·180,·SHA:·0a4fdec2c06577cd785f2447f06e86199fe74d3d9407f75305642895cfebb3c4·...·]-4">)</span><span·class="w"> |
| 170 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id="6 | 170 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id="9632380674-2">)</span><span·class="p">.</span></code></pre><p>The·code·in·the·fun·will·extract·one·element·from·the·record·and·print·it.·The |
| 171 | rest·of·the·<code·class="inline">state</code>·record·is·not·used.·However,·when·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#spawn/1"><code·class="inline">spawn/1</code></a> | 171 | rest·of·the·<code·class="inline">state</code>·record·is·not·used.·However,·when·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#spawn/1"><code·class="inline">spawn/1</code></a> |
| 172 | function·is·executed,·the·entire·record·is·copied·to·the·newly·created·process.</p><p>The·same·kind·of·problem·can·happen·with·a·map:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">accidental2</span><span·class="p"·data-group-id=" | 172 | function·is·executed,·the·entire·record·is·copied·to·the·newly·created·process.</p><p>The·same·kind·of·problem·can·happen·with·a·map:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">accidental2</span><span·class="p"·data-group-id="6178925389-1">(</span><span·class="n">State</span><span·class="p"·data-group-id="6178925389-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 173 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 173 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="6178925389-2">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="6178925389-3">(</span><span·class="p"·data-group-id="6178925389-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | ··················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 174 | ··················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6178925389-4">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">\n"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6178925389-5">[</span><span·class="nf">map_get</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·288,·SHA:·a069295d78fdd6dd02208cf7bd8774d28113efecef748cee18e601b541dad57b·...·]-4">)</span><span·class="w"> |
| 175 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id=" | 175 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id="6178925389-2">)</span><span·class="p">.</span></code></pre><p>In·the·following·example·(part·of·a·module·implementing·the·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html"><code·class="inline">gen_server</code></a> |
| 176 | behavior)·the·created·fun·is·sent·to·another·process:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 176 | behavior)·the·created·fun·is·sent·to·another·process:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_call</span><span·class="p"·data-group-id="9556179560-1">(</span><span·class="ss">give_me_a_fun</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·8f8535415789b6688c0b35ec04d2b72e25517d509d3635c55dde0611ec65d984·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ····</span><span·class="n">Fun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 177 | ····</span><span·class="n">Fun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="9556179560-2">(</span><span·class="p"·data-group-id="9556179560-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="nb">size</span><span·class="w">·</span><span·class="o">=:=</span><span·class="w">·</span><span·class="mi">42</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 178 | ····</span><span·class="p"·data-group-id=" | 178 | ····</span><span·class="p"·data-group-id="9556179560-3">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="9556179560-3">}</span><span·class="p">.</span></code></pre><p>How·bad·that·unnecessary·copy·is·depends·on·the·contents·of·the·record·or·the |
| 179 | map.</p><p>For·example,·if·the·<code·class="inline">state</code>·record·is·initialized·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init1</span><span·class="p"·data-group-id=" | 179 | map.</p><p>For·example,·if·the·<code·class="inline">state</code>·record·is·initialized·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init1</span><span·class="p"·data-group-id="8472547310-1">(</span><span·class="p"·data-group-id="8472547310-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 180 | ····</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id="8472547310-2">{</span><span·class="ss">data</span><span·class="o">=</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="8472547310-3">(</span><span·class="mi">1</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·147,·SHA:·0d90e1ad5654374577a5061725ebc44580065185dc295dff94b927d4d5acc0b6·...·]-2">}</span><span·class="p">.</span></code></pre><p>a·list·with·10000·elements·(or·about·20000·heap·words)·will·be·copied·to·the |
| 181 | newly·created·process.</p><p>An·unnecessary·copy·of·10000·element·list·can·be·bad·enough,·but·it·can·get·even | 181 | newly·created·process.</p><p>An·unnecessary·copy·of·10000·element·list·can·be·bad·enough,·but·it·can·get·even |
| 182 | worse·if·the·<code·class="inline">state</code>·record·contains·<em>shared·subterms</em>.·Here·is·a·simple·example | 182 | worse·if·the·<code·class="inline">state</code>·record·contains·<em>shared·subterms</em>.·Here·is·a·simple·example |
| 183 | of·a·term·with·a·shared·subterm:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 183 | of·a·term·with·a·shared·subterm:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0095674419-1">{</span><span·class="n">SubTerm</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SubTerm</span><span·class="p"·data-group-id="0095674419-1">}</span></code></pre><p>When·a·term·is·copied·to·another·process,·sharing·of·subterms·will·be·lost·and |
| 184 | the·copied·term·can·be·many·times·larger·than·the·original·term.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init2</span><span·class="p"·data-group-id="1 | 184 | the·copied·term·can·be·many·times·larger·than·the·original·term.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init2</span><span·class="p"·data-group-id="1133423100-1">(</span><span·class="p"·data-group-id="1133423100-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 185 | ····</span><span·class="n">SharedSubTerms</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="1 | 185 | ····</span><span·class="n">SharedSubTerms</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="1133423100-2">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="1133423100-3">(</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">A</span><span·class="p"·data-group-id="1133423100-3">)</span><span·[·...·truncated·by·diffoscope;·len:·851,·SHA:·01fd5825ae3cec6710f2632c8f4741ffbf04b416c12677d34192ea3f67bbb536·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 186 | ····</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id="1 | 186 | ····</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id="1133423100-7">{</span><span·class="ss">data</span><span·class="o">=</span><span·class="n">Shared</span><span·class="p"·data-group-id="1133423100-7">}</span><span·class="p">.</span></code></pre><p>In·the·process·that·calls·<code·class="inline">init2/0</code>,·the·size·of·the·<code·class="inline">data</code>·field·in·the·<code·class="inline">state</code> |
| 187 | record·will·be·32·heap·words.·When·the·record·is·copied·to·the·newly·created | 187 | record·will·be·32·heap·words.·When·the·record·is·copied·to·the·newly·created |
| 188 | process,·sharing·will·be·lost·and·the·size·of·the·copied·<code·class="inline">data</code>·field·will·be | 188 | process,·sharing·will·be·lost·and·the·size·of·the·copied·<code·class="inline">data</code>·field·will·be |
| 189 | 131070·heap·words.·More·details·about | 189 | 131070·heap·words.·More·details·about |
| 190 | <a·href="eff_guide_processes.html#loss-of-sharing">loss·off·sharing</a>·are·found·in·a·later | 190 | <a·href="eff_guide_processes.html#loss-of-sharing">loss·off·sharing</a>·are·found·in·a·later |
| 191 | section.</p><p>To·avoid·the·problem,·outside·of·the·fun·extract·only·the·fields·of·the·record | 191 | section.</p><p>To·avoid·the·problem,·outside·of·the·fun·extract·only·the·fields·of·the·record |
| 192 | that·are·actually·used:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fixed_accidental1</span><span·class="p"·data-group-id=" | 192 | that·are·actually·used:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fixed_accidental1</span><span·class="p"·data-group-id="6325999949-1">(</span><span·class="n">State</span><span·class="p"·data-group-id="6325999949-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 193 | ····</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">info</span><span·class="p">,</span><span·class="w"> | 193 | ····</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">info</span><span·class="p">,</span><span·class="w"> |
| 194 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 194 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="6325999949-2">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="6325999949-3">(</span><span·class="p"·data-group-id="6325999949-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 195 | ··················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 195 | ··················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6325999949-4">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">\n"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6325999949-5">[</span><span·class="n">Info</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·74,·SHA:·cc601789570dbf9654c13861f03bec6fe4a42e730189bfd76b5bb95a4191bd6f·...·]-4">)</span><span·class="w"> |
| 196 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id=" | 196 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id="6325999949-2">)</span><span·class="p">.</span></code></pre><p>Similarly,·outside·of·the·fun·extract·only·the·map·elements·that·are·actually |
| 197 | used:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fixed_accidental2</span><span·class="p"·data-group-id=" | 197 | used:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fixed_accidental2</span><span·class="p"·data-group-id="9631675983-1">(</span><span·class="n">State</span><span·class="p"·data-group-id="9631675983-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 198 | ····</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">map_get</span><span·class="p"·data-group-id=" | 198 | ····</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">map_get</span><span·class="p"·data-group-id="9631675983-2">(</span><span·class="ss">info</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="9631675983-2">)</span><span·class="p">,</span><span·class="w"> |
| 199 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="9631675983-3">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="9631675983-4">(</span><span·class="p"·data-group-id="9631675983-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 200 | ··················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 200 | ··················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="9631675983-5">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">\n"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9631675983-6">[</span><span·class="n">Info</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·74,·SHA:·eb97ad99a634a684bf8688e52988ce1c88d080999dc1afd7cbcc84f560f09d41·...·]-5">)</span><span·class="w"> |
| 201 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id=" | 201 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id="9631675983-3">)</span><span·class="p">.</span></code></pre><h2·id="list_to_atom-1"·class="section-heading"> |
| 202 | ··<a·href="#list_to_atom-1"·class="hover-link"> | 202 | ··<a·href="#list_to_atom-1"·class="hover-link"> |
| 203 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 203 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 204 | ··</a> | 204 | ··</a> |
| 205 | ··<span·class="text">list_to_atom/1</span> | 205 | ··<span·class="text">list_to_atom/1</span> |
| 206 | </h2> | 206 | </h2> |
| 207 | <p>Atoms·are·not·garbage-collected.·Once·an·atom·is·created,·it·is·never·removed. | 207 | <p>Atoms·are·not·garbage-collected.·Once·an·atom·is·created,·it·is·never·removed. |
| 208 | The·emulator·terminates·if·the·limit·for·the·number·of·atoms·(1,048,576·by | 208 | The·emulator·terminates·if·the·limit·for·the·number·of·atoms·(1,048,576·by |
| 209 | default)·is·reached.</p><p>Therefore,·converting·arbitrary·input·strings·to·atoms·can·be·dangerous·in·a | 209 | default)·is·reached.</p><p>Therefore,·converting·arbitrary·input·strings·to·atoms·can·be·dangerous·in·a |
| 210 | system·that·runs·continuously.·If·only·certain·well-defined·atoms·are·allowed·as | 210 | system·that·runs·continuously.·If·only·certain·well-defined·atoms·are·allowed·as |
| 211 | input,·<a·href="../../erts-15.2.3/doc/html/erlang.html#list_to_existing_atom/1"><code·class="inline">list_to_existing_atom/1</code></a>·or | 211 | input,·<a·href="../../erts-15.2.3/doc/html/erlang.html#list_to_existing_atom/1"><code·class="inline">list_to_existing_atom/1</code></a>·or |
| 212 | <a·href="../../erts-15.2.3/doc/html/erlang.html#binary_to_existing_atom/1"><code·class="inline">binary_to_existing_atom/1</code></a>·can·be·used | 212 | <a·href="../../erts-15.2.3/doc/html/erlang.html#binary_to_existing_atom/1"><code·class="inline">binary_to_existing_atom/1</code></a>·can·be·used |
| 213 | to·guard·against·a·denial-of-service·attack.·(All·atoms·that·are·allowed·must | 213 | to·guard·against·a·denial-of-service·attack.·(All·atoms·that·are·allowed·must |
| 214 | have·been·created·earlier,·for·example,·by·using·all·of·them·in·a·module | 214 | have·been·created·earlier,·for·example,·by·using·all·of·them·in·a·module |
| 215 | and·loading·that·module.)</p><p>Using·<a·href="../../erts-15.2.3/doc/html/erlang.html#list_to_atom/1"><code·class="inline">list_to_atom/1</code></a>·to·construct·an·atom·that | 215 | and·loading·that·module.)</p><p>Using·<a·href="../../erts-15.2.3/doc/html/erlang.html#list_to_atom/1"><code·class="inline">list_to_atom/1</code></a>·to·construct·an·atom·that |
| 216 | is·passed·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply/3</code></a>·is·quite·expensive.</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">apply</span><span·class="p"·data-group-id=" | 216 | is·passed·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply/3</code></a>·is·quite·expensive.</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">apply</span><span·class="p"·data-group-id="6881201759-1">(</span><span·class="nf">list_to_atom</span><span·class="p"·data-group-id="6881201759-2">(</span><span·class="s">"some_prefix"</span><span·class="o">++</span><span·class="n">Var</span><span·class="p"·data-group-id="6881201759-2">)</[·...·truncated·by·diffoscope;·len:·196,·SHA:·8700fcde413573014e6b278fe37dd60d2e724aa0ec7079bdb8100058e85d4be1·...·]-1">)</span></code></pre><h2·id="length-1"·class="section-heading"> |
| 217 | ··<a·href="#length-1"·class="hover-link"> | 217 | ··<a·href="#length-1"·class="hover-link"> |
| 218 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 218 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 219 | ··</a> | 219 | ··</a> |
| 220 | ··<span·class="text">length/1</span> | 220 | ··<span·class="text">length/1</span> |
| 221 | </h2> | 221 | </h2> |
| 222 | <p>The·time·for·calculating·the·length·of·a·list·is·proportional·to·the·length·of | 222 | <p>The·time·for·calculating·the·length·of·a·list·is·proportional·to·the·length·of |
| 223 | the·list,·as·opposed·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#tuple_size/1"><code·class="inline">tuple_size/1</code></a>, | 223 | the·list,·as·opposed·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#tuple_size/1"><code·class="inline">tuple_size/1</code></a>, |
| 224 | <a·href="../../erts-15.2.3/doc/html/erlang.html#byte_size/1"><code·class="inline">byte_size/1</code></a>,·and·<a·href="../../erts-15.2.3/doc/html/erlang.html#bit_size/1"><code·class="inline">bit_size/1</code></a>,·which·all | 224 | <a·href="../../erts-15.2.3/doc/html/erlang.html#byte_size/1"><code·class="inline">byte_size/1</code></a>,·and·<a·href="../../erts-15.2.3/doc/html/erlang.html#bit_size/1"><code·class="inline">bit_size/1</code></a>,·which·all |
| 225 | execute·in·constant·time.</p><p>Normally,·there·is·no·need·to·worry·about·the·speed·of·<a·href="../../erts-15.2.3/doc/html/erlang.html#length/1"><code·class="inline">length/1</code></a>, | 225 | execute·in·constant·time.</p><p>Normally,·there·is·no·need·to·worry·about·the·speed·of·<a·href="../../erts-15.2.3/doc/html/erlang.html#length/1"><code·class="inline">length/1</code></a>, |
| 226 | because·it·is·efficiently·implemented·in·C.·In·time-critical·code,·you·might | 226 | because·it·is·efficiently·implemented·in·C.·In·time-critical·code,·you·might |
| 227 | want·to·avoid·it·if·the·input·list·could·potentially·be·very·long.</p><p>Some·uses·of·<a·href="../../erts-15.2.3/doc/html/erlang.html#length/1"><code·class="inline">length/1</code></a>·can·be·replaced·by·matching.·For·example, | 227 | want·to·avoid·it·if·the·input·list·could·potentially·be·very·long.</p><p>Some·uses·of·<a·href="../../erts-15.2.3/doc/html/erlang.html#length/1"><code·class="inline">length/1</code></a>·can·be·replaced·by·matching.·For·example, |
| 228 | the·following·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="4633486504-1">(</span><span·class="n">L</span><span·class="p"·data-group-id="4633486504-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">length</span><span·class="p"·data-group-id="4633486504-2">(</span><span·class="n">L</span><span·class="p"·data-group-id="4633486504-2">)</span><span·class="w">·</span><span·class="o">>=</span><span·class="w">·</span><span·class="mi">3</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 229 | 228 | the·following·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="0227095685-1">(</span><span·class="n">L</span><span·class="p"·data-group-id="0227095685-1">)</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·301,·SHA:·04674e17f41822a6df337f3d431fba0040e421423e67b2e9a553d34b17bd0216·...·]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | |
| 229 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>can·be·rewritten·to:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="3009975652-1">(</span><span·class="p"·data-group-id="3009975652-2">[</span><span·class="p">_</span><span·class="p">,</span><span·class="p">_</span><span·class="p">,</span><span·class="p">_</span><span·class="p">|</span><span·class="p">_</span><span·class="p"·data-group-id="3009975652-2">]</span><span·class="o">=</span><span·class="n">L</span><span·class="p"·data-group-id="3009975652-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 230 | ···</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>One·slight·difference·is·that·<a·href="../../erts-15.2.3/doc/html/erlang.html#length/1"><code·class="inline">length(L)</code></a>·fails·if·<code·class="inline">L</code>·is·an | 230 | ···</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>One·slight·difference·is·that·<a·href="../../erts-15.2.3/doc/html/erlang.html#length/1"><code·class="inline">length(L)</code></a>·fails·if·<code·class="inline">L</code>·is·an |
| 231 | improper·list,·while·the·pattern·in·the·second·code·fragment·accepts·an·improper | 231 | improper·list,·while·the·pattern·in·the·second·code·fragment·accepts·an·improper |
| 232 | list.</p><h2·id="setelement-3"·class="section-heading"> | 232 | list.</p><h2·id="setelement-3"·class="section-heading"> |
| 233 | ··<a·href="#setelement-3"·class="hover-link"> | 233 | ··<a·href="#setelement-3"·class="hover-link"> |
| 234 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 234 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 235 | ··</a> | 235 | ··</a> |
| 236 | ··<span·class="text">setelement/3</span> | 236 | ··<span·class="text">setelement/3</span> |
| Offset 238, 18 lines modified | Offset 238, 18 lines modified | ||
| 238 | <p><a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·copies·the·tuple·it·modifies.·Therefore, | 238 | <p><a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·copies·the·tuple·it·modifies.·Therefore, |
| 239 | updating·a·tuple·in·a·loop·using·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·creates·a·new | 239 | updating·a·tuple·in·a·loop·using·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·creates·a·new |
| 240 | copy·of·the·tuple·every·time.</p><p>There·is·one·exception·to·the·rule·that·the·tuple·is·copied.·If·the·compiler | 240 | copy·of·the·tuple·every·time.</p><p>There·is·one·exception·to·the·rule·that·the·tuple·is·copied.·If·the·compiler |
| 241 | clearly·can·see·that·destructively·updating·the·tuple·would·give·the·same·result | 241 | clearly·can·see·that·destructively·updating·the·tuple·would·give·the·same·result |
| 242 | as·if·the·tuple·was·copied,·the·call·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·is | 242 | as·if·the·tuple·was·copied,·the·call·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·is |
| 243 | replaced·with·a·special·destructive·<code·class="inline">setelement</code>·instruction.·In·the·following | 243 | replaced·with·a·special·destructive·<code·class="inline">setelement</code>·instruction.·In·the·following |
| 244 | code·sequence,·the·first·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·call·copies·the·tuple | 244 | code·sequence,·the·first·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·call·copies·the·tuple |
| 245 | and·modifies·the·ninth·element:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">multiple_setelement</span><span·class="p"·data-group-id=" | 245 | and·modifies·the·ninth·element:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">multiple_setelement</span><span·class="p"·data-group-id="5975032147-1">(</span><span·class="n">T0</span><span·class="p"·data-group-id="5975032147-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">tuple_size</span><span·class="p"·data-group-id="5975032147-2">(<[·...·truncated·by·diffoscope;·len:·72,·SHA:·9a89f3b49bec1bf730a51402072806f97ed686326740dbecb65a392900142cc9·...·]-2">)</span><span·class="w">·</span><span·class="o">=:=</span><span·class="w">·</span><span·class="mi">9</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 246 | ····</span><span·class="n">T1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">setelement</span><span·class="p"·data-group-id=" | 246 | ····</span><span·class="n">T1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">setelement</span><span·class="p"·data-group-id="5975032147-3">(</span><span·class="mi">9</span><span·class="p">,</span><span·class="w">·</span><span·class="n">T0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bar</span><span·class="p"·data-group-id="5975032147-3">)</span><span·class="p">,</span><span·class="w"> |
| 247 | ····</span><span·class="n">T2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">setelement</span><span·class="p"·data-group-id=" | 247 | ····</span><span·class="n">T2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">setelement</span><span·class="p"·data-group-id="5975032147-4">(</span><span·class="mi">7</span><span·class="p">,</span><span·class="w">·</span><span·class="n">T1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foobar</span><span·class="p"·data-group-id="5975032147-4">)</span><span·class="p">,</span><span·class="w"> |
| 248 | ····</span><span·class="nf">setelement</span><span·class="p"·data-group-id=" | 248 | ····</span><span·class="nf">setelement</span><span·class="p"·data-group-id="5975032147-5">(</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="n">T2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">new_value</span><span·class="p"·data-group-id="5975032147-5">)</span><span·class="p">.</span></code></pre><p>The·two·following·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·calls·modify·the·tuple·in |
| 249 | place.</p><p>For·the·optimization·to·be·applied,·<em>all</em>·the·following·conditions·must·be·true:</p><ul><li>The·tuple·argument·must·be·known·to·be·a·tuple·of·a·known·size.</li><li>The·indices·must·be·integer·literals,·not·variables·or·expressions.</li><li>The·indices·must·be·given·in·descending·order.</li><li>There·must·be·no·calls·to·another·function·in·between·the·calls·to | 249 | place.</p><p>For·the·optimization·to·be·applied,·<em>all</em>·the·following·conditions·must·be·true:</p><ul><li>The·tuple·argument·must·be·known·to·be·a·tuple·of·a·known·size.</li><li>The·indices·must·be·integer·literals,·not·variables·or·expressions.</li><li>The·indices·must·be·given·in·descending·order.</li><li>There·must·be·no·calls·to·another·function·in·between·the·calls·to |
| 250 | <a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>.</li><li>The·tuple·returned·from·one·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·call·must·only·be | 250 | <a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>.</li><li>The·tuple·returned·from·one·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>·call·must·only·be |
| 251 | used·in·the·subsequent·call·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>.</li></ul><p>If·the·code·cannot·be·structured·as·in·the·<code·class="inline">multiple_setelement/1</code>·example,·the | 251 | used·in·the·subsequent·call·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#setelement/3"><code·class="inline">setelement/3</code></a>.</li></ul><p>If·the·code·cannot·be·structured·as·in·the·<code·class="inline">multiple_setelement/1</code>·example,·the |
| 252 | best·way·to·modify·multiple·elements·in·a·large·tuple·is·to·convert·the·tuple·to | 252 | best·way·to·modify·multiple·elements·in·a·large·tuple·is·to·convert·the·tuple·to |
| 253 | a·list,·modify·the·list,·and·convert·it·back·to·a·tuple.</p><h2·id="size-1"·class="section-heading"> | 253 | a·list,·modify·the·list,·and·convert·it·back·to·a·tuple.</p><h2·id="size-1"·class="section-heading"> |
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| 192 | ··</a> | 192 | ··</a> |
| 193 | ··<span·class="text">Representation·of·Floating·Point·Numbers</span> | 193 | ··<span·class="text">Representation·of·Floating·Point·Numbers</span> |
| 194 | </h3> | 194 | </h3> |
| 195 | <p>When·working·with·floats·you·may·not·see·what·you·expect·when·printing·or·doing | 195 | <p>When·working·with·floats·you·may·not·see·what·you·expect·when·printing·or·doing |
| 196 | arithmetic·operations.·This·is·because·floats·are·represented·by·a·fixed·number | 196 | arithmetic·operations.·This·is·because·floats·are·represented·by·a·fixed·number |
| 197 | of·bits·in·a·base-2·system·while·printed·floats·are·represented·with·a·base-10 | 197 | of·bits·in·a·base-2·system·while·printed·floats·are·represented·with·a·base-10 |
| 198 | system.·Erlang·uses·64-bit·floats.·Here·are·examples·of·this·phenomenon:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="mf">0.1</span><span·class="o">+</span><span·class="mf">0.2</span><span·class="p">.</span><span·class="w"> | 198 | system.·Erlang·uses·64-bit·floats.·Here·are·examples·of·this·phenomenon:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="mf">0.1</span><span·class="o">+</span><span·class="mf">0.2</span><span·class="p">.</span><span·class="w"> |
| 199 | </span><span·class="mf">0.30000000000000004</span></code></pre><p>The·real·numbers·<code·class="inline">0.1</code>·and·<code·class="inline">0.2</code>·cannot·be·represented·exactly·as·floats.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id=" | 199 | </span><span·class="mf">0.30000000000000004</span></code></pre><p>The·real·numbers·<code·class="inline">0.1</code>·and·<code·class="inline">0.2</code>·cannot·be·represented·exactly·as·floats.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id="9108326882-1">{</span><span·class="mf">36028797018963968.0</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">36028797018963968</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="mf">36028797018963968.0</span><span·class="p">,</span><span·class="w"> |
| 200 | ··</span><span·class="mf">36028797018963970.0</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">36028797018963970</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="mf">36028797018963970.0</span><span·class="p"·data-group-id=" | 200 | ··</span><span·class="mf">36028797018963970.0</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">36028797018963970</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="mf">36028797018963970.0</span><span·class="p"·data-group-id="9108326882-1">}</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="p"·data-group-id=" | 201 | </span><span·class="p"·data-group-id="9108326882-2">{</span><span·class="mf">3.602879701896397e16</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p">,</span><span·class="w"> |
| 202 | ·</span><span·class="mf">3.602879701896397e16</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id=" | 202 | ·</span><span·class="mf">3.602879701896397e16</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="9108326882-2">}</span><span·class="p">.</span></code></pre><p>The·value·<code·class="inline">36028797018963968</code>·can·be·represented·exactly·as·a·float·value·but |
| 203 | Erlang's·pretty·printer·rounds·<code·class="inline">36028797018963968.0</code>·to·<code·class="inline">3.602879701896397e16</code> | 203 | Erlang's·pretty·printer·rounds·<code·class="inline">36028797018963968.0</code>·to·<code·class="inline">3.602879701896397e16</code> |
| 204 | (<code·class="inline">=36028797018963970.0</code>)·as·all·values·in·the·range | 204 | (<code·class="inline">=36028797018963970.0</code>)·as·all·values·in·the·range |
| 205 | <code·class="inline">[36028797018963966.0,·36028797018963972.0]</code>·are·represented·by | 205 | <code·class="inline">[36028797018963966.0,·36028797018963972.0]</code>·are·represented·by |
| 206 | <code·class="inline">36028797018963968.0</code>.</p><p>For·more·information·about·floats·and·issues·with·them·see:</p><ul><li><a·href="https://floating-point-gui.de/">What·Every·Programmer·Should·Know·About·Floating-Point·Arithmetic</a></li><li><a·href="https://0.30000000000000004.com/">0.30000000000000004.com/</a></li><li><a·href="https://docs.python.org/3/tutorial/floatingpoint.html">Floating·Point·Arithmetic:·Issues·and·Limitations</a></li></ul><p>If·you·need·to·work·with·exact·decimal·fractions,·for·instance·to·represent | 206 | <code·class="inline">36028797018963968.0</code>.</p><p>For·more·information·about·floats·and·issues·with·them·see:</p><ul><li><a·href="https://floating-point-gui.de/">What·Every·Programmer·Should·Know·About·Floating-Point·Arithmetic</a></li><li><a·href="https://0.30000000000000004.com/">0.30000000000000004.com/</a></li><li><a·href="https://docs.python.org/3/tutorial/floatingpoint.html">Floating·Point·Arithmetic:·Issues·and·Limitations</a></li></ul><p>If·you·need·to·work·with·exact·decimal·fractions,·for·instance·to·represent |
| 207 | money,·it·is·recommended·to·use·a·library·that·handles·that,·or·work·in | 207 | money,·it·is·recommended·to·use·a·library·that·handles·that,·or·work·in |
| 208 | cents·instead·of·dollars·or·euros·so·that·decimal·fractions·are·not·needed.</p><p>Also·note·that·Erlang's·floats·do·not·exactly·match·IEEE·754·floats, | 208 | cents·instead·of·dollars·or·euros·so·that·decimal·fractions·are·not·needed.</p><p>Also·note·that·Erlang's·floats·do·not·exactly·match·IEEE·754·floats, |
| 209 | in·that·neither·<em>Inf</em>·nor·<em>NaN</em>·are·supported·in·Erlang.·Any | 209 | in·that·neither·<em>Inf</em>·nor·<em>NaN</em>·are·supported·in·Erlang.·Any |
| Offset 237, 52 lines modified | Offset 237, 52 lines modified | ||
| 237 | by·eight·are·called·<em>binaries</em>.</p><p><em>Examples:</em></p><pre><code·class="text">1>·<<10,20>>. | 237 | by·eight·are·called·<em>binaries</em>.</p><p><em>Examples:</em></p><pre><code·class="text">1>·<<10,20>>. |
| 238 | <<10,20>> | 238 | <<10,20>> |
| 239 | 2>·<<"ABC">>. | 239 | 2>·<<"ABC">>. |
| 240 | <<"ABC">> | 240 | <<"ABC">> |
| 241 | 3>·<<1:1,0:1>>. | 241 | 3>·<<1:1,0:1>>. |
| 242 | <<2:2>></code></pre><p>The·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_bitstring/1"><code·class="inline">is_bitstring/1</code></a>·BIF·tests·whether·a | 242 | <<2:2>></code></pre><p>The·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_bitstring/1"><code·class="inline">is_bitstring/1</code></a>·BIF·tests·whether·a |
| 243 | term·is·a·bit·string,·and·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_binary/1"><code·class="inline">is_binary/1</code></a> | 243 | term·is·a·bit·string,·and·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_binary/1"><code·class="inline">is_binary/1</code></a> |
| 244 | BIF·tests·whether·a·term·is·a·binary.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">is_bitstring</span><span·class="p"·data-group-id="1 | 244 | BIF·tests·whether·a·term·is·a·binary.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">is_bitstring</span><span·class="p"·data-group-id="1828451276-1">(</span><span·class="p"·data-group-id="1828451276-2"><<</span><span·class="mi">1</span><span·class="p">:</span><span·class="mi">1</span><span·class="p"·data-group-id="1828451276-2">>></span><span·class="p"·data-group-id="1828451276-1">)</span><span·class="p">.</span><span·class="w"> |
| 245 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 245 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 246 | 2>·</span><span·class="nf">is_binary</span><span·class="p"·data-group-id="1 | 246 | 2>·</span><span·class="nf">is_binary</span><span·class="p"·data-group-id="1828451276-3">(</span><span·class="p"·data-group-id="1828451276-4"><<</span><span·class="mi">1</span><span·class="p">:</span><span·class="mi">1</span><span·class="p"·data-group-id="1828451276-4">>></span><span·class="p"·data-group-id="1828451276-3">)</span><span·class="p">.</span><span·class="w"> |
| 247 | </span><span·class="ss">false</span><span·class="gp·unselectable"> | 247 | </span><span·class="ss">false</span><span·class="gp·unselectable"> |
| 248 | 3>·</span><span·class="nf">is_binary</span><span·class="p"·data-group-id="1 | 248 | 3>·</span><span·class="nf">is_binary</span><span·class="p"·data-group-id="1828451276-5">(</span><span·class="p"·data-group-id="1828451276-6"><<</span><span·class="mi">42</span><span·class="p"·data-group-id="1828451276-6">>></span><span·class="p"·data-group-id="1828451276-5">)</span><span·class="p">.</span><span·class="w"> |
| 249 | </span><span·class="ss">true</span><span·class="w"> | 249 | </span><span·class="ss">true</span><span·class="w"> |
| 250 | </span></code></pre><p>For·more·examples,·see·<a·href="../../doc/system/bit_syntax.html">Programming·Examples</a>.</p><h2·id="reference"·class="section-heading"> | 250 | </span></code></pre><p>For·more·examples,·see·<a·href="../../doc/system/bit_syntax.html">Programming·Examples</a>.</p><h2·id="reference"·class="section-heading"> |
| 251 | ··<a·href="#reference"·class="hover-link"> | 251 | ··<a·href="#reference"·class="hover-link"> |
| 252 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 252 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 253 | ··</a> | 253 | ··</a> |
| 254 | ··<span·class="text">Reference</span> | 254 | ··<span·class="text">Reference</span> |
| 255 | </h2> | 255 | </h2> |
| 256 | <p>A·term·that·is·<a·href="../../doc/system/system_limits.html#unique_references">unique</a> | 256 | <p>A·term·that·is·<a·href="../../doc/system/system_limits.html#unique_references">unique</a> |
| 257 | among·connected·nodes.·A·reference·is·created·by·calling·the | 257 | among·connected·nodes.·A·reference·is·created·by·calling·the |
| 258 | <a·href="../../erts-15.2.3/doc/html/erlang.html#make_ref/0"><code·class="inline">make_ref/0</code></a>·BIF.·The | 258 | <a·href="../../erts-15.2.3/doc/html/erlang.html#make_ref/0"><code·class="inline">make_ref/0</code></a>·BIF.·The |
| 259 | <a·href="../../erts-15.2.3/doc/html/erlang.html#is_reference/1"><code·class="inline">is_reference/1</code></a>·BIF·tests·whether·a·term | 259 | <a·href="../../erts-15.2.3/doc/html/erlang.html#is_reference/1"><code·class="inline">is_reference/1</code></a>·BIF·tests·whether·a·term |
| 260 | is·a·reference.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">make_ref</span><span·class="p"·data-group-id=" | 260 | is·a·reference.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">make_ref</span><span·class="p"·data-group-id="1011140444-1">(</span><span·class="p"·data-group-id="1011140444-1">)</span><span·class="p">.</span><span·class="w"> |
| 261 | </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.76482849</span><span·class="p">.</span><span·class="mf">3801088007.198204</span><span·class="o">></span><span·class="gp·unselectable"> | 261 | </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.76482849</span><span·class="p">.</span><span·class="mf">3801088007.198204</span><span·class="o">></span><span·class="gp·unselectable"> |
| 262 | 2>·</span><span·class="nf">is_reference</span><span·class="p"·data-group-id=" | 262 | 2>·</span><span·class="nf">is_reference</span><span·class="p"·data-group-id="1011140444-2">(</span><span·class="n">Ref</span><span·class="p"·data-group-id="1011140444-2">)</span><span·class="p">.</span><span·class="w"> |
| 263 | </span><span·class="ss">true</span></code></pre><h2·id="fun"·class="section-heading"> | 263 | </span><span·class="ss">true</span></code></pre><h2·id="fun"·class="section-heading"> |
| 264 | ··<a·href="#fun"·class="hover-link"> | 264 | ··<a·href="#fun"·class="hover-link"> |
| 265 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 265 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 266 | ··</a> | 266 | ··</a> |
| 267 | ··<span·class="text">Fun</span> | 267 | ··<span·class="text">Fun</span> |
| 268 | </h2> | 268 | </h2> |
| 269 | <p>A·fun·is·a·functional·object.·Funs·make·it·possible·to·create·an·anonymous | 269 | <p>A·fun·is·a·functional·object.·Funs·make·it·possible·to·create·an·anonymous |
| 270 | function·and·pass·the·function·itself·—·not·its·name·—·as·argument·to·other | 270 | function·and·pass·the·function·itself·—·not·its·name·—·as·argument·to·other |
| 271 | functions.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Fun1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id=" | 271 | functions.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Fun1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="1185248685-1">(</span><span·class="n">X</span><span·class="p"·data-group-id="1185248685-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">X</span><span·class="o">+</span><span·class="mi">1</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 272 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="p">.</span><span·class="mf">6.39074546</span><span·class="o">></span><span·class="gp·unselectable"> | 272 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="p">.</span><span·class="mf">6.39074546</span><span·class="o">></span><span·class="gp·unselectable"> |
| 273 | 2>·</span><span·class="n">Fun1</span><span·class="p"·data-group-id=" | 273 | 2>·</span><span·class="n">Fun1</span><span·class="p"·data-group-id="1185248685-2">(</span><span·class="mi">2</span><span·class="p"·data-group-id="1185248685-2">)</span><span·class="p">.</span><span·class="w"> |
| 274 | </span><span·class="mi">3</span></code></pre><p>The·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_function/1"><code·class="inline">is_function/1</code></a>·and·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_function/2"><code·class="inline">is_function/2</code></a> | 274 | </span><span·class="mi">3</span></code></pre><p>The·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_function/1"><code·class="inline">is_function/1</code></a>·and·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_function/2"><code·class="inline">is_function/2</code></a> |
| 275 | BIFs·tests·whether·a·term·is·a·fun.</p><p><em>Examples</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 275 | BIFs·tests·whether·a·term·is·a·fun.</p><p><em>Examples</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="5179727423-1">(</span><span·class="p"·data-group-id="5179727423-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 276 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="p">.</span><span·class="mf">43.105768164</span><span·class="o">></span><span·class="gp·unselectable"> | 276 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="p">.</span><span·class="mf">43.105768164</span><span·class="o">></span><span·class="gp·unselectable"> |
| 277 | 2>·</span><span·class="nf">is_function</span><span·class="p"·data-group-id=" | 277 | 2>·</span><span·class="nf">is_function</span><span·class="p"·data-group-id="5179727423-2">(</span><span·class="n">F</span><span·class="p"·data-group-id="5179727423-2">)</span><span·class="p">.</span><span·class="w"> |
| 278 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 278 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 279 | 3>·</span><span·class="nf">is_function</span><span·class="p"·data-group-id=" | 279 | 3>·</span><span·class="nf">is_function</span><span·class="p"·data-group-id="5179727423-3">(</span><span·class="n">F</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="5179727423-3">)</span><span·class="p">.</span><span·class="w"> |
| 280 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 280 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 281 | 4>·</span><span·class="nf">is_function</span><span·class="p"·data-group-id=" | 281 | 4>·</span><span·class="nf">is_function</span><span·class="p"·data-group-id="5179727423-4">(</span><span·class="n">F</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="5179727423-4">)</span><span·class="p">.</span><span·class="w"> |
| 282 | </span><span·class="ss">false</span></code></pre><p>Read·more·about·funs·in·<a·href="expressions.html#fun-expressions">Fun·Expressions</a>.·For·more | 282 | </span><span·class="ss">false</span></code></pre><p>Read·more·about·funs·in·<a·href="expressions.html#fun-expressions">Fun·Expressions</a>.·For·more |
| 283 | examples,·see·<a·href="../../doc/system/funs.html">Programming·Examples</a>.</p><h2·id="port-identifier"·class="section-heading"> | 283 | examples,·see·<a·href="../../doc/system/funs.html">Programming·Examples</a>.</p><h2·id="port-identifier"·class="section-heading"> |
| 284 | ··<a·href="#port-identifier"·class="hover-link"> | 284 | ··<a·href="#port-identifier"·class="hover-link"> |
| 285 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 285 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 286 | ··</a> | 286 | ··</a> |
| 287 | ··<span·class="text">Port·Identifier</span> | 287 | ··<span·class="text">Port·Identifier</span> |
| 288 | </h2> | 288 | </h2> |
| Offset 300, 94 lines modified | Offset 300, 94 lines modified | ||
| 300 | for·a·new·process·after·a·while.</p><p>The·BIF·<a·href="../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>·returns·the·Pid·of·the·calling·process.·When | 300 | for·a·new·process·after·a·while.</p><p>The·BIF·<a·href="../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>·returns·the·Pid·of·the·calling·process.·When |
| 301 | <a·href="ref_man_processes.html#process-creation">creating·a·new·process</a>,·the·parent | 301 | <a·href="ref_man_processes.html#process-creation">creating·a·new·process</a>,·the·parent |
| 302 | process·will·be·able·to·get·the·Pid·of·the·child·process·either·via·the·return | 302 | process·will·be·able·to·get·the·Pid·of·the·child·process·either·via·the·return |
| 303 | value,·as·is·the·case·when·calling·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#spawn/3"><code·class="inline">spawn/3</code></a>·BIF,·or·via | 303 | value,·as·is·the·case·when·calling·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#spawn/3"><code·class="inline">spawn/3</code></a>·BIF,·or·via |
| 304 | a·message,·which·is·the·case·when·calling·the | 304 | a·message,·which·is·the·case·when·calling·the |
| 305 | <a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_request/5"><code·class="inline">spawn_request/5</code></a>·BIF.·A·Pid·is·typically·used·when | 305 | <a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_request/5"><code·class="inline">spawn_request/5</code></a>·BIF.·A·Pid·is·typically·used·when |
| 306 | when·sending·a·process·a·<a·href="ref_man_processes.html#signals">signal</a>.·The | 306 | when·sending·a·process·a·<a·href="ref_man_processes.html#signals">signal</a>.·The |
| 307 | <a·href="../../erts-15.2.3/doc/html/erlang.html#is_pid/1"><code·class="inline">is_pid/1</code></a>·BIF·tests·whether·a·term·is·a·Pid.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 307 | <a·href="../../erts-15.2.3/doc/html/erlang.html#is_pid/1"><code·class="inline">is_pid/1</code></a>·BIF·tests·whether·a·term·is·a·Pid.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7925901080-1">(</span><span·class="ss">m</span><span·class="p"·data-group-id="7925901080-1">)</span><span·class="p">.</span><span·class="w"> |
| 308 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 308 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7925901080-2">(</span><span·class="p"·data-group-id="7925901080-3">[</span><span·class="ss">loop</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="7925901080-3">]</span><span·class="p"·data-group-id="7925901080-2">)</span><span·class="p">.</span><span·class="w"> |
| 309 | </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 309 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="7925901080-4">(</span><span·class="p"·data-group-id="7925901080-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 310 | ····</span><span·class="k">receive</span><span·class="w"> | 310 | ····</span><span·class="k">receive</span><span·class="w"> |
| 311 | ········</span><span·class="ss">who_are_you</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 311 | ········</span><span·class="ss">who_are_you</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 312 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 312 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="7925901080-5">(</span><span·class="s">"I·am·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7925901080-6">[</span><span·class="nf">s[·...·truncated·by·diffoscope;·len:·210,·SHA:·705259622edd0965730a755e32dd583141f6afd92a8c2fb2ac00c1f0ff671bdb·...·]-5">)</span><span·class="p">,</span><span·class="w"> |
| 313 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 313 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="7925901080-8">(</span><span·class="p"·data-group-id="7925901080-8">)</span><span·class="w"> |
| 314 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 314 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 315 | </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 315 | </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="7925901080-9">(</span><span·class="ss">m</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">loop</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7925901080-10">[</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·64,·SHA:·49367a0b5218822cde2687569d39e2084139120448c1a1d3a8b4f8c1e28df4e3·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 316 | </span><span·class="o"><</span><span·class="mf">0.58</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> | 316 | </span><span·class="o"><</span><span·class="mf">0.58</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> |
| 317 | 2>·</span><span·class="n">P</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">who_are_you</span><span·class="p">.</span><span·class="w"> | 317 | 2>·</span><span·class="n">P</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">who_are_you</span><span·class="p">.</span><span·class="w"> |
| 318 | </span><span·class="n">I</span><span·class="w">·</span><span·class="ss">am</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.58</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w"> | 318 | </span><span·class="n">I</span><span·class="w">·</span><span·class="ss">am</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.58</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w"> |
| 319 | </span><span·class="ss">who_are_you</span></code></pre><p>Read·more·about·processes·in·<a·href="ref_man_processes.html">Processes</a>.</p><h2·id="tuple"·class="section-heading"> | 319 | </span><span·class="ss">who_are_you</span></code></pre><p>Read·more·about·processes·in·<a·href="ref_man_processes.html">Processes</a>.</p><h2·id="tuple"·class="section-heading"> |
| 320 | ··<a·href="#tuple"·class="hover-link"> | 320 | ··<a·href="#tuple"·class="hover-link"> |
| 321 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 321 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 322 | ··</a> | 322 | ··</a> |
| 323 | ··<span·class="text">Tuple</span> | 323 | ··<span·class="text">Tuple</span> |
| 324 | </h2> | 324 | </h2> |
| 325 | <p>A·tuple·is·a·compound·data·type·with·a·fixed·number·of·terms:</p><pre><code·class="text">{Term1,...,TermN}</code></pre><p>Each·term·<code·class="inline">Term</code>·in·the·tuple·is·called·an·<em>element</em>.·The·number·of·elements·is | 325 | <p>A·tuple·is·a·compound·data·type·with·a·fixed·number·of·terms:</p><pre><code·class="text">{Term1,...,TermN}</code></pre><p>Each·term·<code·class="inline">Term</code>·in·the·tuple·is·called·an·<em>element</em>.·The·number·of·elements·is |
| 326 | said·to·be·the·<em>size</em>·of·the·tuple.</p><p>There·exists·a·number·of·BIFs·to·manipulate·tuples.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 326 | said·to·be·the·<em>size</em>·of·the·tuple.</p><p>There·exists·a·number·of·BIFs·to·manipulate·tuples.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6304413881-1">{</span><span·class="ss">adam</span><span·class="p">,</span><span·class="mi">24</span><span·class="p">,</span><span·class="p"·data-group-id="6304413881-2">{</span><span·class="ss">july</span><span·class="p">,</span><span·class="mi">29</span><s[·...·truncated·by·diffoscope;·len:·92,·SHA:·c5ab0d1df9ee8a11fa3e3a5d69b85a7d4c4b86a8cebd2af010cbe03994b1a25c·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 327 | </span><span·class="p"·data-group-id="6 | 327 | </span><span·class="p"·data-group-id="6304413881-3">{</span><span·class="ss">adam</span><span·class="p">,</span><span·class="mi">24</span><span·class="p">,</span><span·class="p"·data-group-id="6304413881-4">{</span><span·class="ss">july</span><span·class="p">,</span><span·class="mi">29</span><s[·...·truncated·by·diffoscope;·len:·92,·SHA:·4c7dedad992b33cba000facc037cdb672ed0933f38ce3e3dc3b3008e17fcf96f·...·]-3">}</span><span·class="gp·unselectable"> |
| 328 | 2>·</span><span·class="nf">element</span><span·class="p"·data-group-id="6 | 328 | 2>·</span><span·class="nf">element</span><span·class="p"·data-group-id="6304413881-5">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="n">P</span><span·class="p"·data-group-id="6304413881-5">)</span><span·class="p">.</span><span·class="w"> |
| 329 | </span><span·class="ss">adam</span><span·class="gp·unselectable"> | 329 | </span><span·class="ss">adam</span><span·class="gp·unselectable"> |
| 330 | 3>·</span><span·class="nf">element</span><span·class="p"·data-group-id="6 | 330 | 3>·</span><span·class="nf">element</span><span·class="p"·data-group-id="6304413881-6">(</span><span·class="mi">3</span><span·class="p">,</span><span·class="n">P</span><span·class="p"·data-group-id="6304413881-6">)</span><span·class="p">.</span><span·class="w"> |
| 331 | </span><span·class="p"·data-group-id="6 | 331 | </span><span·class="p"·data-group-id="6304413881-7">{</span><span·class="ss">july</span><span·class="p">,</span><span·class="mi">29</span><span·class="p"·data-group-id="6304413881-7">}</span><span·class="gp·unselectable"> |
| 332 | 4>·</span><span·class="n">P2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">setelement</span><span·class="p"·data-group-id="6 | 332 | 4>·</span><span·class="n">P2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">setelement</span><span·class="p"·data-group-id="6304413881-8">(</span><span·class="mi">2</span><span·class="p">,</span><span·class="n">P</span><span·class="p">,</span><span·class="mi">25</span><span·class="p"·data-group-id="6304413881-8">)</span><span·class="p">.</span><span·class="w"> |
| 333 | </span><span·class="p"·data-group-id="6 | 333 | </span><span·class="p"·data-group-id="6304413881-9">{</span><span·class="ss">adam</span><span·class="p">,</span><span·class="mi">25</span><span·class="p">,</span><span·class="p"·data-group-id="6304413881-10">{</span><span·class="ss">july</span><span·class="p">,</span><span·class="mi">29</span><[·...·truncated·by·diffoscope;·len:·94,·SHA:·fd1414329d6747ff31f523e6de5fc2ff26f0371550e212dc20f47869aa083e7b·...·]-9">}</span><span·class="gp·unselectable"> |
| 334 | 5>·</span><span·class="nf">tuple_size</span><span·class="p"·data-group-id="6 | 334 | 5>·</span><span·class="nf">tuple_size</span><span·class="p"·data-group-id="6304413881-11">(</span><span·class="n">P</span><span·class="p"·data-group-id="6304413881-11">)</span><span·class="p">.</span><span·class="w"> |
| 335 | </span><span·class="mi">3</span><span·class="gp·unselectable"> | 335 | </span><span·class="mi">3</span><span·class="gp·unselectable"> |
| 336 | 6>·</span><span·class="nf">tuple_size</span><span·class="p"·data-group-id="6 | 336 | 6>·</span><span·class="nf">tuple_size</span><span·class="p"·data-group-id="6304413881-12">(</span><span·class="p"·data-group-id="6304413881-13">{</span><span·class="p"·data-group-id="6304413881-13">}</span><span·class="p"·data-group-id="6304413881-12">)</span><span·class="p">.</span><span·class="w"> |
| 337 | </span><span·class="mi">0</span><span·class="gp·unselectable"> | 337 | </span><span·class="mi">0</span><span·class="gp·unselectable"> |
| 338 | 7>·</span><span·class="nf">is_tuple</span><span·class="p"·data-group-id="6 | 338 | 7>·</span><span·class="nf">is_tuple</span><span·class="p"·data-group-id="6304413881-14">(</span><span·class="p"·data-group-id="6304413881-15">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="6304413881-15">}</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·9c5daef3274d3c2a7edacfda97a57f32f7a9eb9d3bd8bb11baaf830bc5c65a85·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 339 | </span><span·class="ss">true</span></code></pre><h2·id="map"·class="section-heading"> | 339 | </span><span·class="ss">true</span></code></pre><h2·id="map"·class="section-heading"> |
| 340 | ··<a·href="#map"·class="hover-link"> | 340 | ··<a·href="#map"·class="hover-link"> |
| 341 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 341 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 342 | ··</a> | 342 | ··</a> |
| 343 | ··<span·class="text">Map</span> | 343 | ··<span·class="text">Map</span> |
| 344 | </h2> | 344 | </h2> |
| 345 | <p>A·map·is·a·compound·data·type·with·a·variable·number·of·key-value·associations:</p><pre><code·class="text">#{Key1·=>·Value1,·...,·KeyN·=>·ValueN}</code></pre><p>Each·key-value·association·in·the·map·is·called·an·<em>association·pair</em>.·The·key | 345 | <p>A·map·is·a·compound·data·type·with·a·variable·number·of·key-value·associations:</p><pre><code·class="text">#{Key1·=>·Value1,·...,·KeyN·=>·ValueN}</code></pre><p>Each·key-value·association·in·the·map·is·called·an·<em>association·pair</em>.·The·key |
| 346 | and·value·parts·of·the·pair·are·called·<em>elements</em>.·The·number·of·association | 346 | and·value·parts·of·the·pair·are·called·<em>elements</em>.·The·number·of·association |
| 347 | pairs·is·said·to·be·the·<em>size</em>·of·the·map.</p><p>There·exists·a·number·of·BIFs·to·manipulate·maps.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">M1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 347 | pairs·is·said·to·be·the·<em>size</em>·of·the·map.</p><p>There·exists·a·number·of·BIFs·to·manipulate·maps.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">M1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4320858544-1">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">adam</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">age</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·453,·SHA:·696e125ff2b136960c2d52eff02b2209d420da1d9cd3529e1302f2593edde883·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 348 | </span><span·class="p"·data-group-id=" | 348 | </span><span·class="p"·data-group-id="4320858544-3">#{</span><span·class="ss">age</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">24</span><span·class="p">,</span><span·class="ss">date</span><span·class="w">·</span><span·class="p">=></span>[·...·truncated·by·diffoscope;·len:·405,·SHA:·6b3025c13505d89c873d70086c82595bcd09dd41c4392d1fc93843ecfcc5f759·...·]-3">}</span><span·class="gp·unselectable"> |
| 349 | 2>·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">get</span><span·class="p"·data-group-id=" | 349 | 2>·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">get</span><span·class="p"·data-group-id="4320858544-5">(</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M1</span><span·class="p"·data-group-id="4320858544-5">)</span><span·class="p">.</span><span·class="w"> |
| 350 | </span><span·class="ss">adam</span><span·class="gp·unselectable"> | 350 | </span><span·class="ss">adam</span><span·class="gp·unselectable"> |
| 351 | 3>·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">get</span><span·class="p"·data-group-id=" | 351 | 3>·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">get</span><span·class="p"·data-group-id="4320858544-6">(</span><span·class="ss">date</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M1</span><span·class="p"·data-group-id="4320858544-6">)</span><span·class="p">.</span><span·class="w"> |
| 352 | </span><span·class="p"·data-group-id=" | 352 | </span><span·class="p"·data-group-id="4320858544-7">{</span><span·class="ss">july</span><span·class="p">,</span><span·class="mi">29</span><span·class="p"·data-group-id="4320858544-7">}</span><span·class="gp·unselectable"> |
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| 331 | ······<p·class="built-using"> | 331 | ······<p·class="built-using"> |
| 332 | ········Built·using | 332 | ········Built·using |
| 333 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 333 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 334 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 334 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 335 | ······</p> | 335 | ······</p> |
| 336 | <p>Copyright·©·1996-202 | 336 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 337 | ····</footer> | 337 | ····</footer> |
| 338 | ··</div> | 338 | ··</div> |
| 339 | </main> | 339 | </main> |
| 340 | </div> | 340 | </div> |
| 341 | <script> | 341 | <script> |
| 342 | ··function·mermaidLoaded()·{ | 342 | ··function·mermaidLoaded()·{ |
| 343 | ····mermaid.initialize({ | 343 | ····mermaid.initialize({ |
| Offset 152, 135 lines modified | Offset 152, 135 lines modified | ||
| 152 | the·code·for·a·process·in·a·generic·part·(a·behaviour·module)·and·a·specific | 152 | the·code·for·a·process·in·a·generic·part·(a·behaviour·module)·and·a·specific |
| 153 | part·(a·<em>callback·module</em>).</p><p>The·behaviour·module·is·part·of·Erlang/OTP.·To·implement·a·process·such·as·a | 153 | part·(a·<em>callback·module</em>).</p><p>The·behaviour·module·is·part·of·Erlang/OTP.·To·implement·a·process·such·as·a |
| 154 | supervisor,·the·user·only·needs·to·implement·the·callback·module,·which·is·to | 154 | supervisor,·the·user·only·needs·to·implement·the·callback·module,·which·is·to |
| 155 | export·a·pre-defined·set·of·functions,·the·<em>callback·functions</em>.</p><p>The·following·example·illustrate·how·code·can·be·divided·into·a·generic·and·a | 155 | export·a·pre-defined·set·of·functions,·the·<em>callback·functions</em>.</p><p>The·following·example·illustrate·how·code·can·be·divided·into·a·generic·and·a |
| 156 | specific·part.·Consider·the·following·code·(written·in·plain·Erlang)·for·a | 156 | specific·part.·Consider·the·following·code·(written·in·plain·Erlang)·for·a |
| 157 | simple·server,·which·keeps·track·of·a·number·of·"channels".·Other·processes·can | 157 | simple·server,·which·keeps·track·of·a·number·of·"channels".·Other·processes·can |
| 158 | allocate·and·free·the·channels·by·calling·the·functions·<code·class="inline">alloc/0</code>·and·<code·class="inline">free/1</code>, | 158 | allocate·and·free·the·channels·by·calling·the·functions·<code·class="inline">alloc/0</code>·and·<code·class="inline">free/1</code>, |
| 159 | respectively.</p><p><a·href=""·id="ch1"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="3479511156-1">(</span><span·class="ss">ch1</span><span·class="p"·data-group-id="3479511156-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 160 | 159 | respectively.</p><p><a·href=""·id="ch1"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="8635209111-1">(</span><span·class="ss">ch1</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·17,·SHA:·0bb822d0b9aeb8307bfe074847cba50fdd32ae0f227fc60c889c973f1c5ea124·...·]">)</span><span·class="p">.</span><span·class="w"> | |
| 160 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8635209111-2">(</span><span·class="p"·data-group-id="8635209111-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="8635209111-3">]</span><span·class="p"·data-group-id="8635209111-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 161 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="3 | 161 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8635209111-4">(</span><span·class="p"·data-group-id="8635209111-5">[</span><span·class="ss">alloc</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">free</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·116,·SHA:·9077a34c8d3956dd8d7e8ff2c99fd5693b4795a08c55dff517d67366f1b57e77·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="3 | 162 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8635209111-6">(</span><span·class="p"·data-group-id="8635209111-7">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="8635209111-7">]</span><span·class="p"·data-group-id="8635209111-6">)</span><span·class="p">.</span><span·class="w"> |
| 163 | </span><span·class="nf">start</span><span·class="p"·data-group-id="3 | 163 | </span><span·class="nf">start</span><span·class="p"·data-group-id="8635209111-8">(</span><span·class="p"·data-group-id="8635209111-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 164 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="3 | 164 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="8635209111-9">(</span><span·class="ss">ch1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8635209111-10">[</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·66,·SHA:·d529dafbaecb2c1104b96603ed274e260e1b5c833c10d638e98f41e112b4ade0·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id="3 | 165 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id="8635209111-11">(</span><span·class="p"·data-group-id="8635209111-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 166 | ····</span><span·class="ss">ch1</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="3 | 166 | ····</span><span·class="ss">ch1</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="8635209111-12">{</span><span·class="nf">self</span><span·class="p"·data-group-id="8635209111-13">(</span><span·class="p"·data-group-id="8635209111-13">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">alloc</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·5ab267f462b5a3d74152972f49e3dbc67c4077a7caf62cbfda89d870e45c5329·...·]-12">}</span><span·class="p">,</span><span·class="w"> |
| 167 | ····</span><span·class="k">receive</span><span·class="w"> | 167 | ····</span><span·class="k">receive</span><span·class="w"> |
| 168 | ········</span><span·class="p"·data-group-id="3 | 168 | ········</span><span·class="p"·data-group-id="8635209111-14">{</span><span·class="ss">ch1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Res</span><span·class="p"·data-group-id="8635209111-14">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 169 | ············</span><span·class="n">Res</span><span·class="w"> | 169 | ············</span><span·class="n">Res</span><span·class="w"> |
| 170 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 170 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="nf">free</span><span·class="p"·data-group-id="3 | 171 | </span><span·class="nf">free</span><span·class="p"·data-group-id="8635209111-15">(</span><span·class="n">Ch</span><span·class="p"·data-group-id="8635209111-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 172 | ····</span><span·class="ss">ch1</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="3 | 172 | ····</span><span·class="ss">ch1</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="8635209111-16">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p"·data-group-id="8635209111-16">}</span><span·class="p">,</span><span·class="w"> |
| 173 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 173 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 174 | </span><span·class="nf">init</span><span·class="p"·data-group-id="3 | 174 | </span><span·class="nf">init</span><span·class="p"·data-group-id="8635209111-17">(</span><span·class="p"·data-group-id="8635209111-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 175 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id="3 | 175 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id="8635209111-18">(</span><span·class="ss">ch1</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="8635209111-19">(</span><span·class="p"·data-group-id="8635209111-19">)</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·ae1d00f9ef92c0e8d068a9e4cf2bb21f7ea94c0c35cfcdc1c6f52d44c82c94be·...·]-18">)</span><span·class="p">,</span><span·class="w"> |
| 176 | ····</span><span·class="n">Chs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">channels</span><span·class="p"·data-group-id="3 | 176 | ····</span><span·class="n">Chs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">channels</span><span·class="p"·data-group-id="8635209111-20">(</span><span·class="p"·data-group-id="8635209111-20">)</span><span·class="p">,</span><span·class="w"> |
| 177 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="3 | 177 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="8635209111-21">(</span><span·class="n">Chs</span><span·class="p"·data-group-id="8635209111-21">)</span><span·class="p">.</span><span·class="w"> |
| 178 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="3 | 178 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="8635209111-22">(</span><span·class="n">Chs</span><span·class="p"·data-group-id="8635209111-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | ····</span><span·class="k">receive</span><span·class="w"> | 179 | ····</span><span·class="k">receive</span><span·class="w"> |
| 180 | ········</span><span·class="p"·data-group-id="3 | 180 | ········</span><span·class="p"·data-group-id="8635209111-23">{</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">alloc</span><span·class="p"·data-group-id="8635209111-23">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 181 | ············</span><span·class="p"·data-group-id="3 | 181 | ············</span><span·class="p"·data-group-id="8635209111-24">{</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="8635209111-24">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·143,·SHA:·61e09d00d3c0c01d41735fa79a7865b9b86a7acd599b24aff3a749a81284c125·...·]-25">)</span><span·class="p">,</span><span·class="w"> |
| 182 | ············</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="3 | 182 | ············</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="8635209111-26">{</span><span·class="ss">ch1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p"·data-group-id="8635209111-26">}</span><span·class="p">,</span><span·class="w"> |
| 183 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="3 | 183 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="8635209111-27">(</span><span·class="n">Chs2</span><span·class="p"·data-group-id="8635209111-27">)</span><span·class="p">;</span><span·class="w"> |
| 184 | ········</span><span·class="p"·data-group-id="3 | 184 | ········</span><span·class="p"·data-group-id="8635209111-28">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p"·data-group-id="8635209111-28">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 185 | ············</span><span·class="n">Chs2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id="3 | 185 | ············</span><span·class="n">Chs2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id="8635209111-29">(</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="8635209111-29">)</span><span·class="p">,</span><span·class="w"> |
| 186 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="3 | 186 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="8635209111-30">(</span><span·class="n">Chs2</span><span·class="p"·data-group-id="8635209111-30">)</span><span·class="w"> |
| 187 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·code·for·the·server·can·be·rewritten·into·a·generic·part·<code·class="inline">server.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 187 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·code·for·the·server·can·be·rewritten·into·a·generic·part·<code·class="inline">server.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="8278372368-1">(</span><span·class="ss">server</span><span·class="p"·data-group-id="8278372368-1">)</span><span·class="p">.</span><span·class="w"> |
| 188 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 188 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8278372368-2">(</span><span·class="p"·data-group-id="8278372368-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="8278372368-3">]</span><span·class="p"·data-group-id="8278372368-2">)</span><span·class="p">.</span><span·class="w"> |
| 189 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 189 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8278372368-4">(</span><span·class="p"·data-group-id="8278372368-5">[</span><span·class="ss">call</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">cast</span><span·class="p">/</span><spa[·...·truncated·by·diffoscope;·len:·115,·SHA:·f5ae7bf18cbbc0e55b98cd4a15270a0d2adeaa43f294d1142957865af4d47c26·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 190 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 190 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8278372368-6">(</span><span·class="p"·data-group-id="8278372368-7">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="8278372368-7">]</span><span·class="p"·data-group-id="8278372368-6">)</span><span·class="p">.</span><span·class="w"> |
| 191 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 191 | </span><span·class="nf">start</span><span·class="p"·data-group-id="8278372368-8">(</span><span·class="n">Mod</span><span·class="p"·data-group-id="8278372368-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 192 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 192 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="8278372368-9">(</span><span·class="ss">server</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8278372368-10">[</span><span·class="n">Mod</span>[·...·truncated·by·diffoscope;·len:·95,·SHA:·807106a139270ed2a4f89f0110567df8619fa29283c2aaf2b2a8709668d4dccb·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 193 | </span><span·class="nf">call</span><span·class="p"·data-group-id=" | 193 | </span><span·class="nf">call</span><span·class="p"·data-group-id="8278372368-11">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Req</span><span·class="p"·data-group-id="8278372368-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 194 | ····</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 194 | ····</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="8278372368-12">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="8278372368-13">(</span><span·class="p"·data-group-id="8278372368-13">)</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·94,·SHA:·8c78688866b22215966e48089dd91345ef28f57737bec41aef7d18151924cfd7·...·]-12">}</span><span·class="p">,</span><span·class="w"> |
| 195 | ····</span><span·class="k">receive</span><span·class="w"> | 195 | ····</span><span·class="k">receive</span><span·class="w"> |
| 196 | ········</span><span·class="p"·data-group-id=" | 196 | ········</span><span·class="p"·data-group-id="8278372368-14">{</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Res</span><span·class="p"·data-group-id="8278372368-14">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 197 | ············</span><span·class="n">Res</span><span·class="w"> | 197 | ············</span><span·class="n">Res</span><span·class="w"> |
| 198 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 198 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 199 | </span><span·class="nf">cast</span><span·class="p"·data-group-id=" | 199 | </span><span·class="nf">cast</span><span·class="p"·data-group-id="8278372368-15">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Req</span><span·class="p"·data-group-id="8278372368-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 200 | ····</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 200 | ····</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="8278372368-16">{</span><span·class="ss">cast</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Req</span><span·class="p"·data-group-id="8278372368-16">}</span><span·class="p">,</span><span·class="w"> |
| 201 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 201 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 202 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 202 | </span><span·class="nf">init</span><span·class="p"·data-group-id="8278372368-17">(</span><span·class="n">Mod</span><span·class="p"·data-group-id="8278372368-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 203 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 203 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id="8278372368-18">(</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="8278372368-19">(</span><span·class="p"·data-group-id="8278372368-19">)</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·18,·SHA:·7eb436d621bd53e281d038f27f957cd4e79cc9153f93e8c5d491c3e88790d9a9·...·]-18">)</span><span·class="p">,</span><span·class="w"> |
| 204 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">:</span><span·class="nf">init</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">:</span><span·class="nf">init</span><span·class="p"·data-group-id="8278372368-20">(</span><span·class="p"·data-group-id="8278372368-20">)</span><span·class="p">,</span><span·class="w"> |
| 205 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="8278372368-21">(</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="8278372368-21">)</span><span·class="p">.</span><span·class="w"> |
| 206 | </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 206 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="8278372368-22">(</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="8278372368-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 207 | ····</span><span·class="k">receive</span><span·class="w"> | 207 | ····</span><span·class="k">receive</span><span·class="w"> |
| 208 | ········</span><span·class="p"·data-group-id=" | 208 | ········</span><span·class="p"·data-group-id="8278372368-23">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Req</span><span·class="p"·data-group-id="8278372368-23">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 209 | ············</span><span·class="p"·data-group-id=" | 209 | ············</span><span·class="p"·data-group-id="8278372368-24">{</span><span·class="n">Res</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State2</span><span·class="p"·data-group-id="8278372368-24">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·278,·SHA:·94688d9c9b7b08f0ab515261026f491c0efb635ce6403d58c32ab1240792bd07·...·]-25">)</span><span·class="p">,</span><span·class="w"> |
| 210 | ············</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 210 | ············</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="8278372368-26">{</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Res</span><span·class="p"·data-group-id="8278372368-26">}</span><span·class="p">,</span><span·class="w"> |
| 211 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 211 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="8278372368-27">(</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State2</span><span·class="p"·data-group-id="8278372368-27">)</span><span·class="p">;</span><span·class="w"> |
| 212 | ········</span><span·class="p"·data-group-id=" | 212 | ········</span><span·class="p"·data-group-id="8278372368-28">{</span><span·class="ss">cast</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Req</span><span·class="p"·data-group-id="8278372368-28">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 213 | ············</span><span·class="n">State2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">:</span><span·class="nf">handle_cast</span><span·class="p"·data-group-id=" | 213 | ············</span><span·class="n">State2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">:</span><span·class="nf">handle_cast</span><span·class="p"·data-group-id="8278372368-29">(</span><span·class="n">Req</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="8278372368-29">)</span><span·class="p">,</span><span·class="w"> |
| 214 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 214 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="8278372368-30">(</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State2</span><span·class="p"·data-group-id="8278372368-30">)</span><span·class="w"> |
| 215 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>And·a·callback·module·<code·class="inline">ch2.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 215 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>And·a·callback·module·<code·class="inline">ch2.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2264244618-1">(</span><span·class="ss">ch2</span><span·class="p"·data-group-id="2264244618-1">)</span><span·class="p">.</span><span·class="w"> |
| 216 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 216 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2264244618-2">(</span><span·class="p"·data-group-id="2264244618-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="2264244618-3">]</span><span·class="p"·data-group-id="2264244618-2">)</span><span·class="p">.</span><span·class="w"> |
| 217 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 217 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2264244618-4">(</span><span·class="p"·data-group-id="2264244618-5">[</span><span·class="ss">alloc</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">free</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·116,·SHA:·313b784f89f58646efc45b8339725b68754460c0793b2fe61d9b5421fb3b5785·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 218 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 218 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2264244618-6">(</span><span·class="p"·data-group-id="2264244618-7">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">handle_call</span><span·class="p">/</sp[·...·truncated·by·diffoscope;·len:·254,·SHA:·4937884966f536934c0360f3eadf8084fb3e64e968417aca11662deb8e0cd079·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 219 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 219 | </span><span·class="nf">start</span><span·class="p"·data-group-id="2264244618-8">(</span><span·class="p"·data-group-id="2264244618-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 220 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="2264244618-9">(</span><span·class="ss">ch2</span><span·class="p"·data-group-id="2264244618-9">)</span><span·class="p">.</span><span·class="w"> |
| 221 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id=" | 221 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id="2264244618-10">(</span><span·class="p"·data-group-id="2264244618-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 222 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 222 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="2264244618-11">(</span><span·class="ss">ch2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">alloc</span><span·class="p"·data-group-id="2264244618-11">)</span><span·class="p">.</span><span·class="w"> |
| 223 | </span><span·class="nf">free</span><span·class="p"·data-group-id=" | 223 | </span><span·class="nf">free</span><span·class="p"·data-group-id="2264244618-12">(</span><span·class="n">Ch</span><span·class="p"·data-group-id="2264244618-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 224 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id=" | 224 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id="2264244618-13">(</span><span·class="ss">ch2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2264244618-14">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><sp[·...·truncated·by·diffoscope;·len:·92,·SHA:·275d6d4522f01179d783333eba1a878ac84b38751e3d4b818d63519cb32a2888·...·]-13">)</span><span·class="p">.</span><span·class="w"> |
| 225 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 225 | </span><span·class="nf">init</span><span·class="p"·data-group-id="2264244618-15">(</span><span·class="p"·data-group-id="2264244618-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 226 | ····</span><span·class="nf">channels</span><span·class="p"·data-group-id=" | 226 | ····</span><span·class="nf">channels</span><span·class="p"·data-group-id="2264244618-16">(</span><span·class="p"·data-group-id="2264244618-16">)</span><span·class="p">.</span><span·class="w"> |
| 227 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 227 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id="2264244618-17">(</span><span·class="ss">alloc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="2264244618-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 228 | ····</span><span·class="nf">alloc</span><span·class="p"·data-group-id=" | 228 | ····</span><span·class="nf">alloc</span><span·class="p"·data-group-id="2264244618-18">(</span><span·class="n">Chs</span><span·class="p"·data-group-id="2264244618-18">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·=>·{Ch,Chs2}</span><span·class="w"> |
| 229 | </span><span·class="nf">handle_cast</span><span·class="p"·data-group-id=" | 229 | </span><span·class="nf">handle_cast</span><span·class="p"·data-group-id="2264244618-19">(</span><span·class="p"·data-group-id="2264244618-20">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p"·data-group-id="2264244618-20">}</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·91,·SHA:·3cfc91a48ef43929d0cf03fc304a5d88b8dbf7994c17efae9a2df5e1ec76a73c·...·]-19">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 230 | ····</span><span·class="nf">free</span><span·class="p"·data-group-id=" | 230 | ····</span><span·class="nf">free</span><span·class="p"·data-group-id="2264244618-21">(</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="2264244618-21">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·=>·Chs2</span></code></pre><p>Notice·the·following:</p><ul><li>The·code·in·<code·class="inline">server</code>·can·be·reused·to·build·many·different·servers.</li><li>The·server·name,·in·this·example·the·atom·<code·class="inline">ch2</code>,·is·hidden·from·the·users·of |
| 231 | the·client·functions.·This·means·that·the·name·can·be·changed·without | 231 | the·client·functions.·This·means·that·the·name·can·be·changed·without |
| 232 | affecting·them.</li><li>The·protocol·(messages·sent·to·and·received·from·the·server)·is·also·hidden. | 232 | affecting·them.</li><li>The·protocol·(messages·sent·to·and·received·from·the·server)·is·also·hidden. |
| 233 | This·is·good·programming·practice·and·allows·one·to·change·the·protocol | 233 | This·is·good·programming·practice·and·allows·one·to·change·the·protocol |
| 234 | without·changing·the·code·using·the·interface·functions.</li><li>The·functionality·of·<code·class="inline">server</code>·can·be·extended·without·having·to·change·<code·class="inline">ch2</code> | 234 | without·changing·the·code·using·the·interface·functions.</li><li>The·functionality·of·<code·class="inline">server</code>·can·be·extended·without·having·to·change·<code·class="inline">ch2</code> |
| 235 | or·any·other·callback·module.</li></ul><p>In·<code·class="inline">ch1.erl</code>·and·<code·class="inline">ch2.erl</code>·above,·the·implementation·of·<code·class="inline">channels/0</code>,·<code·class="inline">alloc/1</code>, | 235 | or·any·other·callback·module.</li></ul><p>In·<code·class="inline">ch1.erl</code>·and·<code·class="inline">ch2.erl</code>·above,·the·implementation·of·<code·class="inline">channels/0</code>,·<code·class="inline">alloc/1</code>, |
| 236 | and·<code·class="inline">free/2</code>·has·been·intentionally·left·out,·as·it·is·not·relevant·to·the | 236 | and·<code·class="inline">free/2</code>·has·been·intentionally·left·out,·as·it·is·not·relevant·to·the |
| 237 | example.·For·completeness,·one·way·to·write·these·functions·is·given·below.·This | 237 | example.·For·completeness,·one·way·to·write·these·functions·is·given·below.·This |
| 238 | is·an·example·only,·a·realistic·implementation·must·be·able·to·handle·situations | 238 | is·an·example·only,·a·realistic·implementation·must·be·able·to·handle·situations |
| 239 | like·running·out·of·channels·to·allocate,·and·so·on.</p><p><a·href=""·id="channels-implementation"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">channels</span><span·class="p"·data-group-id=" | 239 | like·running·out·of·channels·to·allocate,·and·so·on.</p><p><a·href=""·id="channels-implementation"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">channels</span><span·class="p"·data-group-id="8079197303-1">(</span><span·class="p"·data-group-id="8079197303-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 240 | ···</span><span·class="p"·data-group-id=" | 240 | ···</span><span·class="p"·data-group-id="8079197303-2">{</span><span·class="p">_</span><span·class="n">Allocated</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8079197303-3">[</span><span·class="p"·data-group-id="8079197303-3">]</span>[·...·truncated·by·diffoscope;·len:·498,·SHA:·07663a4816cd7f7b539ba917c09f09a0e8ea4ff49f1867e980fcb9fe4e1f3dca·...·]-2">}</span><span·class="p">.</span><span·class="w"> |
| 241 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id=" | 241 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id="8079197303-5">(</span><span·class="p"·data-group-id="8079197303-6">{</span><span·class="n">Allocated</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8079197303-7">[</span><span·class="n">H</span><span·class="p">|</span>[·...·truncated·by·diffoscope;·len:·294,·SHA:·b2d9bfde2db3539ffda73aaaa74e8cce2e3ceb35c3b0f95c958c664849b9c0d9·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 242 | ···</span><span·class="p"·data-group-id=" | 242 | ···</span><span·class="p"·data-group-id="8079197303-8">{</span><span·class="n">H</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8079197303-9">{</span><span·class="p"·data-group-id="8079197303-10">[</span><span·class="n">H</span><span·class="p">|</span><span·c[·...·truncated·by·diffoscope;·len:·245,·SHA:·8270f54b8c6ecb90d3b32a3a5631a40ffcc584d2a86ae925dabe5d2645816e46·...·]-8">}</span><span·class="p">.</span><span·class="w"> |
| 243 | </span><span·class="nf">free</span><span·class="p"·data-group-id=" | 243 | </span><span·class="nf">free</span><span·class="p"·data-group-id="8079197303-11">(</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8079197303-12">{</span><span·class="n">Alloc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Free</span><sp[·...·truncated·by·diffoscope;·len:·195,·SHA:·f254f86bedb5c3b601bf0375d2588ca4e6c6c23c8cc1fe910cb3ff88418f56db·...·]-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 244 | ···</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id=" | 244 | ···</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id="8079197303-13">(</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Alloc</span><span·class="p"·data-group-id="8079197303-13">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 245 | ······</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 245 | ······</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 246 | ·········</span><span·class="p"·data-group-id=" | 246 | ·········</span><span·class="p"·data-group-id="8079197303-14">{</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id="8079197303-15">(</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Alloc</[·...·truncated·by·diffoscope;·len:·332,·SHA:·98dc0b0518049c6a9405f80c2f961f58cfc2c3cef5aa8a12a8e1efcb754e3b53·...·]-14">}</span><span·class="p">;</span><span·class="w"> |
| 247 | ······</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 247 | ······</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 248 | ·········</span><span·class="n">Channels</span><span·class="w"> | 248 | ·········</span><span·class="n">Channels</span><span·class="w"> |
| 249 | ···</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Code·written·without·using·behaviours·can·be·more·efficient,·but·the·increased | 249 | ···</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Code·written·without·using·behaviours·can·be·more·efficient,·but·the·increased |
| 250 | efficiency·is·at·the·expense·of·generality.·The·ability·to·manage·all | 250 | efficiency·is·at·the·expense·of·generality.·The·ability·to·manage·all |
| 251 | applications·in·the·system·in·a·consistent·manner·is·important.</p><p>Using·behaviours·also·makes·it·easier·to·read·and·understand·code·written·by | 251 | applications·in·the·system·in·a·consistent·manner·is·important.</p><p>Using·behaviours·also·makes·it·easier·to·read·and·understand·code·written·by |
| 252 | other·programmers.·Improvised·programming·structures,·while·possibly·more | 252 | other·programmers.·Improvised·programming·structures,·while·possibly·more |
| 253 | efficient,·are·always·more·difficult·to·understand.</p><p>The·<code·class="inline">server</code>·module·corresponds,·greatly·simplified,·to·the·Erlang/OTP·behaviour | 253 | efficient,·are·always·more·difficult·to·understand.</p><p>The·<code·class="inline">server</code>·module·corresponds,·greatly·simplified,·to·the·Erlang/OTP·behaviour |
| 254 | <code·class="inline">gen_server</code>.</p><p>The·standard·Erlang/OTP·behaviours·are:</p><ul><li><p><a·href="gen_server_concepts.html">gen_server</a></p><p>For·implementing·the·server·of·a·client-server·relation</p></li><li><p><a·href="statem.html">gen_statem</a></p><p>For·implementing·state·machines</p></li><li><p><a·href="events.html">gen_event</a></p><p>For·implementing·event·handling·functionality</p></li><li><p><a·href="sup_princ.html">supervisor</a></p><p>For·implementing·a·supervisor·in·a·supervision·tree</p></li></ul><p>The·compiler·understands·the·module·attribute·<code·class="inline">-behaviour(Behaviour)</code>·and·issues | 254 | <code·class="inline">gen_server</code>.</p><p>The·standard·Erlang/OTP·behaviours·are:</p><ul><li><p><a·href="gen_server_concepts.html">gen_server</a></p><p>For·implementing·the·server·of·a·client-server·relation</p></li><li><p><a·href="statem.html">gen_statem</a></p><p>For·implementing·state·machines</p></li><li><p><a·href="events.html">gen_event</a></p><p>For·implementing·event·handling·functionality</p></li><li><p><a·href="sup_princ.html">supervisor</a></p><p>For·implementing·a·supervisor·in·a·supervision·tree</p></li></ul><p>The·compiler·understands·the·module·attribute·<code·class="inline">-behaviour(Behaviour)</code>·and·issues |
| 255 | warnings·about·missing·callback·functions,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="90 | 255 | warnings·about·missing·callback·functions,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="9870862320-1">(</span><span·class="ss">chs3</span><span·class="p"·data-group-id="9870862320-1">)</span><span·class="p">.</span><span·class="w"> |
| 256 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="90 | 256 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="9870862320-2">(</span><span·class="ss">gen_server</span><span·class="p"·data-group-id="9870862320-2">)</span><span·class="p">.</span><span·class="w"> |
| 257 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 257 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 258 | </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nf">c</span><span·class="p"·data-group-id="90 | 258 | </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nf">c</span><span·class="p"·data-group-id="9870862320-3">(</span><span·class="ss">chs3</span><span·class="p"·data-group-id="9870862320-3">)</span><span·class="p">.</span><span·class="w"> |
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| 142 | </h2> | 142 | </h2> |
| 143 | <p>A·<em>node</em>·is·an·executing·Erlang·runtime·system·that·has·been·given·a·name,·using | 143 | <p>A·<em>node</em>·is·an·executing·Erlang·runtime·system·that·has·been·given·a·name,·using |
| 144 | the·command-line·flag·<a·href="../../erts-15.2.3/doc/html/erl_cmd.html#name"><code·class="inline">-name</code></a>·(long·names)·or | 144 | the·command-line·flag·<a·href="../../erts-15.2.3/doc/html/erl_cmd.html#name"><code·class="inline">-name</code></a>·(long·names)·or |
| 145 | <a·href="../../erts-15.2.3/doc/html/erl_cmd.html#sname"><code·class="inline">-sname</code></a>·(short·names).</p><p>The·format·of·the·node·name·is·an·atom·<code·class="inline">name@host</code>.·<code·class="inline">name</code>·is·the·name·given·by | 145 | <a·href="../../erts-15.2.3/doc/html/erl_cmd.html#sname"><code·class="inline">-sname</code></a>·(short·names).</p><p>The·format·of·the·node·name·is·an·atom·<code·class="inline">name@host</code>.·<code·class="inline">name</code>·is·the·name·given·by |
| 146 | the·user.·<code·class="inline">host</code>·is·the·full·host·name·if·long·names·are·used,·or·the·first·part | 146 | the·user.·<code·class="inline">host</code>·is·the·full·host·name·if·long·names·are·used,·or·the·first·part |
| 147 | of·the·host·name·if·short·names·are·used.·Function·<a·href="../../erts-15.2.3/doc/html/erlang.html#node/0"><code·class="inline">node()</code></a> | 147 | of·the·host·name·if·short·names·are·used.·Function·<a·href="../../erts-15.2.3/doc/html/erlang.html#node/0"><code·class="inline">node()</code></a> |
| 148 | returns·the·name·of·the·node.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-name·dilbert</span><span·class="w"> | 148 | returns·the·name·of·the·node.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-name·dilbert</span><span·class="w"> |
| 149 | </span><span·class="p"·data-group-id=" | 149 | </span><span·class="p"·data-group-id="8262158541-1">(</span><span·class="ss">dilbert@uab</span><span·class="p">.</span><span·class="ss">ericsson</span><span·class="p">.</span><span·class="ss">se</span><span·class="p"·data-group-id="8262158541-1">)</span><span·class="mi">1</span><span·class="o"[·...·truncated·by·diffoscope;·len:·157,·SHA:·0c5ad3e90e2b944251c388308fc7efab89e1398aaa4e17d9252bfa8a26c854ee·...·]1-2">)</span><span·class="p">.</span><span·class="w"> |
| 150 | </span><span·class="ss">'dilbert@uab.ericsson.se'</span><span·class="w"> | 150 | </span><span·class="ss">'dilbert@uab.ericsson.se'</span><span·class="w"> |
| 151 | </span><span·class="c1">%·erl·-sname·dilbert</span><span·class="gp·unselectable"> | 151 | </span><span·class="c1">%·erl·-sname·dilbert</span><span·class="gp·unselectable"> |
| 152 | (dilbert@uab)1>·</span><span·class="nf">node</span><span·class="p"·data-group-id=" | 152 | (dilbert@uab)1>·</span><span·class="nf">node</span><span·class="p"·data-group-id="8262158541-3">(</span><span·class="p"·data-group-id="8262158541-3">)</span><span·class="p">.</span><span·class="w"> |
| 153 | </span><span·class="ss">dilbert@uab</span></code></pre><p>The·node·name·can·also·be·given·in·runtime·by·calling·<a·href="../../lib/kernel-10.2.3/doc/html/net_kernel.html#start/1"><code·class="inline">net_kernel:start/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl</span><span·class="gp·unselectable"> | 153 | </span><span·class="ss">dilbert@uab</span></code></pre><p>The·node·name·can·also·be·given·in·runtime·by·calling·<a·href="../../lib/kernel-10.2.3/doc/html/net_kernel.html#start/1"><code·class="inline">net_kernel:start/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl</span><span·class="gp·unselectable"> |
| 154 | 1>·</span><span·class="nf">node</span><span·class="p"·data-group-id=" | 154 | 1>·</span><span·class="nf">node</span><span·class="p"·data-group-id="5854988764-1">(</span><span·class="p"·data-group-id="5854988764-1">)</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="ss">nonode@nohost</span><span·class="gp·unselectable"> | 155 | </span><span·class="ss">nonode@nohost</span><span·class="gp·unselectable"> |
| 156 | 2>·</span><span·class="nc">net_kernel</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 156 | 2>·</span><span·class="nc">net_kernel</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="5854988764-2">(</span><span·class="p"·data-group-id="5854988764-3">[</span><span·class="ss">dilbert</span><span·class="p">,</span><span·class="ss">shortnames</span><span·class="p"·data-group-id="5854988764-3">]</span><span·class="p"·data-group-id="58549887[·...·truncated·by·diffoscope;·len:·2,·SHA:·a68b412c4282555f15546cf6e1fc42893b7e07f271557ceb021821098dd66c1b·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="p"·data-group-id=" | 157 | </span><span·class="p"·data-group-id="5854988764-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.102</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="5854988764-4">}</span><span·class="gp·unselectable"> |
| 158 | (dilbert@uab)3>·</span><span·class="nf">node</span><span·class="p"·data-group-id=" | 158 | (dilbert@uab)3>·</span><span·class="nf">node</span><span·class="p"·data-group-id="5854988764-5">(</span><span·class="p"·data-group-id="5854988764-5">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="ss">dilbert@uab</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>A·node·with·a·long·node·name·cannot·communicate·with·a·node·with·a·short·node | 159 | </span><span·class="ss">dilbert@uab</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>A·node·with·a·long·node·name·cannot·communicate·with·a·node·with·a·short·node |
| 160 | name.</p></section><h2·id="node-connections"·class="section-heading"> | 160 | name.</p></section><h2·id="node-connections"·class="section-heading"> |
| 161 | ··<a·href="#node-connections"·class="hover-link"> | 161 | ··<a·href="#node-connections"·class="hover-link"> |
| 162 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 162 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 163 | ··</a> | 163 | ··</a> |
| 164 | ··<span·class="text">Node·Connections</span> | 164 | ··<span·class="text">Node·Connections</span> |
| 165 | </h2> | 165 | </h2> |
| Offset 356, 15 lines modified | Offset 356, 15 lines modified | ||
| 356 | ······<p·class="built-using"> | 356 | ······<p·class="built-using"> |
| 357 | ········Built·using | 357 | ········Built·using |
| 358 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 358 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 359 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 359 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 360 | ······</p> | 360 | ······</p> |
| 361 | <p>Copyright·©·1996-202 | 361 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 362 | ····</footer> | 362 | ····</footer> |
| 363 | ··</div> | 363 | ··</div> |
| 364 | </main> | 364 | </main> |
| 365 | </div> | 365 | </div> |
| 366 | <script> | 366 | <script> |
| 367 | ··function·mermaidLoaded()·{ | 367 | ··function·mermaidLoaded()·{ |
| 368 | ····mermaid.initialize({ | 368 | ····mermaid.initialize({ |
| Offset 150, 36 lines modified | Offset 150, 36 lines modified | ||
| 150 | (within·the·time-out·specified·by·<code·class="inline">sync_nodes_timeout</code>).</li><li><p><code·class="inline">sync_nodes_timeout·=·integer()·|·infinity</code>·-·Specifies·how·many·milliseconds | 150 | (within·the·time-out·specified·by·<code·class="inline">sync_nodes_timeout</code>).</li><li><p><code·class="inline">sync_nodes_timeout·=·integer()·|·infinity</code>·-·Specifies·how·many·milliseconds |
| 151 | to·wait·for·the·other·nodes·to·start.</p></li></ul><p>When·started,·the·node·waits·for·all·nodes·specified·by·<code·class="inline">sync_nodes_mandatory</code> | 151 | to·wait·for·the·other·nodes·to·start.</p></li></ul><p>When·started,·the·node·waits·for·all·nodes·specified·by·<code·class="inline">sync_nodes_mandatory</code> |
| 152 | and·<code·class="inline">sync_nodes_optional</code>·to·come·up.·When·all·nodes·are·up,·or·when·all | 152 | and·<code·class="inline">sync_nodes_optional</code>·to·come·up.·When·all·nodes·are·up,·or·when·all |
| 153 | mandatory·nodes·are·up·and·the·time·specified·by·<code·class="inline">sync_nodes_timeout</code>·has | 153 | mandatory·nodes·are·up·and·the·time·specified·by·<code·class="inline">sync_nodes_timeout</code>·has |
| 154 | elapsed,·all·applications·start.·If·not·all·mandatory·nodes·are·up,·the·node | 154 | elapsed,·all·applications·start.·If·not·all·mandatory·nodes·are·up,·the·node |
| 155 | terminates.</p><p><em>Example:</em></p><p>An·application·<code·class="inline">myapp</code>·is·to·run·at·the·node·<code·class="inline">cp1@cave</code>.·If·this·node·goes·down, | 155 | terminates.</p><p><em>Example:</em></p><p>An·application·<code·class="inline">myapp</code>·is·to·run·at·the·node·<code·class="inline">cp1@cave</code>.·If·this·node·goes·down, |
| 156 | <code·class="inline">myapp</code>·is·to·be·restarted·at·<code·class="inline">cp2@cave</code>·or·<code·class="inline">cp3@cave</code>.·A·system·configuration | 156 | <code·class="inline">myapp</code>·is·to·be·restarted·at·<code·class="inline">cp2@cave</code>·or·<code·class="inline">cp3@cave</code>.·A·system·configuration |
| 157 | file·<code·class="inline">cp1.config</code>·for·<code·class="inline">cp1@cave</code>·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="24 | 157 | file·<code·class="inline">cp1.config</code>·for·<code·class="inline">cp1@cave</code>·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2743940466-1">[</span><span·class="p"·data-group-id="2743940466-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 158 | ··</span><span·class="p"·data-group-id="24 | 158 | ··</span><span·class="p"·data-group-id="2743940466-3">[</span><span·class="p"·data-group-id="2743940466-4">{</span><span·class="ss">distributed</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2743940466-5">[</span><span·class="p"·data-group-id="2743940466-6">{[·...·truncated·by·diffoscope;·len:·711,·SHA:·994cde71592e6859528b93f752012e9a8900fba9836ba282335a680ed5d1f4f4·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 159 | ···</span><span·class="p"·data-group-id="24 | 159 | ···</span><span·class="p"·data-group-id="2743940466-9">{</span><span·class="ss">sync_nodes_mandatory</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2743940466-10">[</span><span·class="ss">cp2@cave</span><span·class="p">,</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·118,·SHA:·8c69134b34aa944077c9835fa9ee03369ebf307bdd035d5cce2097b10542abf6·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 160 | ···</span><span·class="p"·data-group-id="24 | 160 | ···</span><span·class="p"·data-group-id="2743940466-11">{</span><span·class="ss">sync_nodes_timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">5000</span><span·class="p"·data-group-id="2743940466-11">}</span><span·class="w"> |
| 161 | ··</span><span·class="p"·data-group-id="24 | 161 | ··</span><span·class="p"·data-group-id="2743940466-3">]</span><span·class="w"> |
| 162 | ·</span><span·class="p"·data-group-id="24 | 162 | ·</span><span·class="p"·data-group-id="2743940466-2">}</span><span·class="w"> |
| 163 | </span><span·class="p"·data-group-id="24 | 163 | </span><span·class="p"·data-group-id="2743940466-1">]</span><span·class="p">.</span></code></pre><p>The·system·configuration·files·for·<code·class="inline">cp2@cave</code>·and·<code·class="inline">cp3@cave</code>·are·identical, |
| 164 | except·for·the·list·of·mandatory·nodes,·which·is·to·be·<code·class="inline">[cp1@cave,·cp3@cave]</code> | 164 | except·for·the·list·of·mandatory·nodes,·which·is·to·be·<code·class="inline">[cp1@cave,·cp3@cave]</code> |
| 165 | for·<code·class="inline">cp2@cave</code>·and·<code·class="inline">[cp1@cave,·cp2@cave]</code>·for·<code·class="inline">cp3@cave</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>All·involved·nodes·must·have·the·same·value·for·<code·class="inline">distributed</code>·and | 165 | for·<code·class="inline">cp2@cave</code>·and·<code·class="inline">[cp1@cave,·cp2@cave]</code>·for·<code·class="inline">cp3@cave</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>All·involved·nodes·must·have·the·same·value·for·<code·class="inline">distributed</code>·and |
| 166 | <code·class="inline">sync_nodes_timeout</code>.·Otherwise·the·system·behavior·is·undefined.</p></section><h2·id="starting-and-stopping-distributed-applications"·class="section-heading"> | 166 | <code·class="inline">sync_nodes_timeout</code>.·Otherwise·the·system·behavior·is·undefined.</p></section><h2·id="starting-and-stopping-distributed-applications"·class="section-heading"> |
| 167 | ··<a·href="#starting-and-stopping-distributed-applications"·class="hover-link"> | 167 | ··<a·href="#starting-and-stopping-distributed-applications"·class="hover-link"> |
| 168 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 168 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 169 | ··</a> | 169 | ··</a> |
| 170 | ··<span·class="text">Starting·and·Stopping·Distributed·Applications</span> | 170 | ··<span·class="text">Starting·and·Stopping·Distributed·Applications</span> |
| 171 | </h2> | 171 | </h2> |
| 172 | <p>When·all·involved·(mandatory)·nodes·have·been·started,·the·distributed | 172 | <p>When·all·involved·(mandatory)·nodes·have·been·started,·the·distributed |
| 173 | application·can·be·started·by·calling·<code·class="inline">application:start(Application)</code>·at·<em>all | 173 | application·can·be·started·by·calling·<code·class="inline">application:start(Application)</code>·at·<em>all |
| 174 | of·these·nodes.</em></p><p>A·boot·script·(see·<a·href="release_structure.html">Releases</a>)·can·be·used·that | 174 | of·these·nodes.</em></p><p>A·boot·script·(see·<a·href="release_structure.html">Releases</a>)·can·be·used·that |
| 175 | automatically·starts·the·application.</p><p>The·application·is·started·at·the·first·operational·node·that·is·listed·in·the | 175 | automatically·starts·the·application.</p><p>The·application·is·started·at·the·first·operational·node·that·is·listed·in·the |
| 176 | list·of·nodes·in·the·<code·class="inline">distributed</code>·configuration·parameter.·The·application·is | 176 | list·of·nodes·in·the·<code·class="inline">distributed</code>·configuration·parameter.·The·application·is |
| 177 | started·as·usual.·That·is,·an·application·master·is·created·and·calls·the | 177 | started·as·usual.·That·is,·an·application·master·is·created·and·calls·the |
| 178 | application·callback·function:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Module</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 178 | application·callback·function:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Module</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="0273084663-1">(</span><span·class="ss">normal</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StartArgs</span><span·class="p"·data-group-id="0273084663-1">)</span></code></pre><p>Example:</p><p>Continuing·the·example·from·the·previous·section,·the·three·nodes·are·started, |
| 179 | specifying·the·system·configuration·file:</p><pre><code·class="text">>·erl·-sname·cp1·-config·cp1 | 179 | specifying·the·system·configuration·file:</p><pre><code·class="text">>·erl·-sname·cp1·-config·cp1 |
| 180 | >·erl·-sname·cp2·-config·cp2 | 180 | >·erl·-sname·cp2·-config·cp2 |
| 181 | >·erl·-sname·cp3·-config·cp3</code></pre><p>When·all·nodes·are·operational,·<code·class="inline">myapp</code>·can·be·started.·This·is·achieved·by | 181 | >·erl·-sname·cp3·-config·cp3</code></pre><p>When·all·nodes·are·operational,·<code·class="inline">myapp</code>·can·be·started.·This·is·achieved·by |
| 182 | calling·<code·class="inline">application:start(myapp)</code>·at·all·three·nodes.·It·is·then·started·at | 182 | calling·<code·class="inline">application:start(myapp)</code>·at·all·three·nodes.·It·is·then·started·at |
| 183 | <code·class="inline">cp1</code>,·as·shown·in·the·following·figure:</p><p><a·href=""·id="dist1"></a></p><p><img·src="assets/dist1.gif"·alt="Application·myapp·-·Situation·1"·title="Application·myapp·-·Situation·1"/></p><p>Similarly,·the·application·must·be·stopped·by·calling | 183 | <code·class="inline">cp1</code>,·as·shown·in·the·following·figure:</p><p><a·href=""·id="dist1"></a></p><p><img·src="assets/dist1.gif"·alt="Application·myapp·-·Situation·1"·title="Application·myapp·-·Situation·1"/></p><p>Similarly,·the·application·must·be·stopped·by·calling |
| 184 | <code·class="inline">application:stop(Application)</code>·at·all·involved·nodes.</p><h2·id="failover"·class="section-heading"> | 184 | <code·class="inline">application:stop(Application)</code>·at·all·involved·nodes.</p><h2·id="failover"·class="section-heading"> |
| 185 | ··<a·href="#failover"·class="hover-link"> | 185 | ··<a·href="#failover"·class="hover-link"> |
| Offset 187, 30 lines modified | Offset 187, 30 lines modified | ||
| 187 | ··</a> | 187 | ··</a> |
| 188 | ··<span·class="text">Failover</span> | 188 | ··<span·class="text">Failover</span> |
| 189 | </h2> | 189 | </h2> |
| 190 | <p>If·the·node·where·the·application·is·running·goes·down,·the·application·is | 190 | <p>If·the·node·where·the·application·is·running·goes·down,·the·application·is |
| 191 | restarted·(after·the·specified·time-out)·at·the·first·operational·node·that·is | 191 | restarted·(after·the·specified·time-out)·at·the·first·operational·node·that·is |
| 192 | listed·in·the·list·of·nodes·in·the·<code·class="inline">distributed</code>·configuration·parameter.·This | 192 | listed·in·the·list·of·nodes·in·the·<code·class="inline">distributed</code>·configuration·parameter.·This |
| 193 | is·called·a·<em>failover</em>.</p><p>The·application·is·started·the·normal·way·at·the·new·node,·that·is,·by·the | 193 | is·called·a·<em>failover</em>.</p><p>The·application·is·started·the·normal·way·at·the·new·node,·that·is,·by·the |
| 194 | application·master·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Module</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 194 | application·master·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Module</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="5647061352-1">(</span><span·class="ss">normal</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StartArgs</span><span·class="p"·data-group-id="5647061352-1">)</span></code></pre><p>An·exception·is·if·the·application·has·the·<code·class="inline">start_phases</code>·key·defined·(see |
| 195 | <a·href="included_applications.html">Included·Applications</a>).·The·application·is·then | 195 | <a·href="included_applications.html">Included·Applications</a>).·The·application·is·then |
| 196 | instead·started·by·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Module</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 196 | instead·started·by·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Module</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="1403851951-1">(</span><span·class="p"·data-group-id="1403851951-2">{</span><span·class="ss">failover</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node</span><span·class="p"·data-group-id="1403851951-2">}</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·100,·SHA:·7a2af4bbdf709b1ee52dc4ff5ecd451418112d5afa7d56d8e4f857ce9d181b5d·...·]-1">)</span></code></pre><p>Here·<code·class="inline">Node</code>·is·the·terminated·node.</p><p><em>Example:</em></p><p>If·<code·class="inline">cp1</code>·goes·down,·the·system·checks·which·one·of·the·other·nodes,·<code·class="inline">cp2</code>·or |
| 197 | <code·class="inline">cp3</code>,·has·the·least·number·of·running·applications,·but·waits·for·5·seconds·for | 197 | <code·class="inline">cp3</code>,·has·the·least·number·of·running·applications,·but·waits·for·5·seconds·for |
| 198 | <code·class="inline">cp1</code>·to·restart.·If·<code·class="inline">cp1</code>·does·not·restart·and·<code·class="inline">cp2</code>·runs·fewer·applications | 198 | <code·class="inline">cp1</code>·to·restart.·If·<code·class="inline">cp1</code>·does·not·restart·and·<code·class="inline">cp2</code>·runs·fewer·applications |
| 199 | than·<code·class="inline">cp3</code>,·<code·class="inline">myapp</code>·is·restarted·on·<code·class="inline">cp2</code>.</p><p><a·href=""·id="dist2"></a></p><p><img·src="assets/dist2.gif"·alt="Application·myapp·-·Situation·2"·title="Application·myapp·-·Situation·2"/></p><p>Suppose·now·that·<code·class="inline">cp2</code>·goes·also·down·and·does·not·restart·within·5·seconds. | 199 | than·<code·class="inline">cp3</code>,·<code·class="inline">myapp</code>·is·restarted·on·<code·class="inline">cp2</code>.</p><p><a·href=""·id="dist2"></a></p><p><img·src="assets/dist2.gif"·alt="Application·myapp·-·Situation·2"·title="Application·myapp·-·Situation·2"/></p><p>Suppose·now·that·<code·class="inline">cp2</code>·goes·also·down·and·does·not·restart·within·5·seconds. |
| 200 | <code·class="inline">myapp</code>·is·now·restarted·on·<code·class="inline">cp3</code>.</p><p><a·href=""·id="dist3"></a></p><p><img·src="assets/dist3.gif"·alt="Application·myapp·-·Situation·3"·title="Application·myapp·-·Situation·3"/></p><h2·id="takeover"·class="section-heading"> | 200 | <code·class="inline">myapp</code>·is·now·restarted·on·<code·class="inline">cp3</code>.</p><p><a·href=""·id="dist3"></a></p><p><img·src="assets/dist3.gif"·alt="Application·myapp·-·Situation·3"·title="Application·myapp·-·Situation·3"/></p><h2·id="takeover"·class="section-heading"> |
| 201 | ··<a·href="#takeover"·class="hover-link"> | 201 | ··<a·href="#takeover"·class="hover-link"> |
| 202 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 202 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 203 | ··</a> | 203 | ··</a> |
| 204 | ··<span·class="text">Takeover</span> | 204 | ··<span·class="text">Takeover</span> |
| 205 | </h2> | 205 | </h2> |
| 206 | <p>If·a·node·is·started,·which·has·higher·priority·according·to·<code·class="inline">distributed</code>·than | 206 | <p>If·a·node·is·started,·which·has·higher·priority·according·to·<code·class="inline">distributed</code>·than |
| 207 | the·node·where·a·distributed·application·is·running,·the·application·is | 207 | the·node·where·a·distributed·application·is·running,·the·application·is |
| 208 | restarted·at·the·new·node·and·stopped·at·the·old·node.·This·is·called·a | 208 | restarted·at·the·new·node·and·stopped·at·the·old·node.·This·is·called·a |
| 209 | <em>takeover</em>.</p><p>The·application·is·started·by·the·application·master·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Module</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 209 | <em>takeover</em>.</p><p>The·application·is·started·by·the·application·master·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Module</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="8832259888-1">(</span><span·class="p"·data-group-id="8832259888-2">{</span><span·class="ss">takeover</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node</span><span·class="p"·data-group-id="8832259888-2">}</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·100,·SHA:·39ea48208c472b3e8a06288235620cf78587ba448f00b12c3b9092c8b7b7542e·...·]-1">)</span></code></pre><p>Here·<code·class="inline">Node</code>·is·the·old·node.</p><p><em>Example:</em></p><p>If·<code·class="inline">myapp</code>·is·running·at·<code·class="inline">cp3</code>,·and·if·<code·class="inline">cp2</code>·now·restarts,·it·does·not·restart |
| 210 | <code·class="inline">myapp</code>,·as·the·order·between·the·<code·class="inline">cp2</code>·and·<code·class="inline">cp3</code>·nodes·is·undefined.</p><p><a·href=""·id="dist4"></a></p><p><img·src="assets/dist4.gif"·alt="Application·myapp·-·Situation·4"·title="Application·myapp·-·Situation·4"/></p><p>However,·if·<code·class="inline">cp1</code>·also·restarts,·the·function·<a·href="../../lib/kernel-10.2.3/doc/html/application.html#takeover/2"><code·class="inline">application:takeover/2</code></a>·moves | 210 | <code·class="inline">myapp</code>,·as·the·order·between·the·<code·class="inline">cp2</code>·and·<code·class="inline">cp3</code>·nodes·is·undefined.</p><p><a·href=""·id="dist4"></a></p><p><img·src="assets/dist4.gif"·alt="Application·myapp·-·Situation·4"·title="Application·myapp·-·Situation·4"/></p><p>However,·if·<code·class="inline">cp1</code>·also·restarts,·the·function·<a·href="../../lib/kernel-10.2.3/doc/html/application.html#takeover/2"><code·class="inline">application:takeover/2</code></a>·moves |
| 211 | <code·class="inline">myapp</code>·to·<code·class="inline">cp1</code>,·as·<code·class="inline">cp1</code>·has·a·higher·priority·than·<code·class="inline">cp3</code>·for·this | 211 | <code·class="inline">myapp</code>·to·<code·class="inline">cp1</code>,·as·<code·class="inline">cp1</code>·has·a·higher·priority·than·<code·class="inline">cp3</code>·for·this |
| 212 | application.·In·this·case,·<code·class="inline">Module:start({takeover,·cp3@cave},·StartArgs)</code>·is | 212 | application.·In·this·case,·<code·class="inline">Module:start({takeover,·cp3@cave},·StartArgs)</code>·is |
| 213 | executed·at·<code·class="inline">cp1</code>·to·start·the·application.</p><p><a·href=""·id="dist5"></a></p><p><img·src="assets/dist5.gif"·alt="Application·myapp·-·Situation·5"·title="Application·myapp·-·Situation·5"/></p> | 213 | executed·at·<code·class="inline">cp1</code>·to·start·the·application.</p><p><a·href=""·id="dist5"></a></p><p><img·src="assets/dist5.gif"·alt="Application·myapp·-·Situation·5"·title="Application·myapp·-·Situation·5"/></p> |
| 214 | </div> | 214 | </div> |
| 215 | <div·class="bottom-actions"·id="bottom-actions"> | 215 | <div·class="bottom-actions"·id="bottom-actions"> |
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| 257 | ······<p·class="built-using"> | 257 | ······<p·class="built-using"> |
| 258 | ········Built·using | 258 | ········Built·using |
| 259 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 259 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 260 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 260 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 261 | ······</p> | 261 | ······</p> |
| 262 | <p>Copyright·©·1996-202 | 262 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 263 | ····</footer> | 263 | ····</footer> |
| 264 | ··</div> | 264 | ··</div> |
| 265 | </main> | 265 | </main> |
| 266 | </div> | 266 | </div> |
| 267 | <script> | 267 | <script> |
| 268 | ··function·mermaidLoaded()·{ | 268 | ··function·mermaidLoaded()·{ |
| 269 | ····mermaid.initialize({ | 269 | ····mermaid.initialize({ |
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| 112 | ······</a> | 112 | ······</a> |
| 113 | ····<span>Documentation</span> | 113 | ····<span>Documentation</span> |
| 114 | ··</h1> | 114 | ··</h1> |
| 115 | <p>Documentation·in·Erlang·is·done·through·the·<code·class="inline">-moduledoc</code>·and·<code·class="inline">-doc</code> | 115 | <p>Documentation·in·Erlang·is·done·through·the·<code·class="inline">-moduledoc</code>·and·<code·class="inline">-doc</code> |
| 116 | <a·href="modules.html#module-attributes">attributes</a>.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 116 | <a·href="modules.html#module-attributes">attributes</a>.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7282524556-1">(</span><span·class="ss">arith</span><span·class="p"·data-group-id="7282524556-1">)</span><span·class="p">.</span><span·class="w"> |
| 117 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="s">""" | 117 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="s">""" |
| 118 | A·module·for·basic·arithmetic. | 118 | A·module·for·basic·arithmetic. |
| 119 | """</span><span·class="p">.</span><span·class="w"> | 119 | """</span><span·class="p">.</span><span·class="w"> |
| 120 | </span><span·class="w"> | 120 | </span><span·class="w"> |
| 121 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 121 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7282524556-2">(</span><span·class="p"·data-group-id="7282524556-3">[</span><span·class="ss">add</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id="7282524556-3">]</span><span·class="p"·data-group-id="7282524556-2">)</span><span·class="p">.</span><span·class="w"> |
| 122 | </span><span·class="w"> | 122 | </span><span·class="w"> |
| 123 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">"Adds·two·numbers."</span><span·class="p">.</span><span·class="w"> | 123 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">"Adds·two·numbers."</span><span·class="p">.</span><span·class="w"> |
| 124 | </span><span·class="nf">add</span><span·class="p"·data-group-id=" | 124 | </span><span·class="nf">add</span><span·class="p"·data-group-id="7282524556-4">(</span><span·class="n">One</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Two</span><span·class="p"·data-group-id="7282524556-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">One</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Two</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">-moduledoc</code>·attribute·has·to·be·located·before·the·first·<code·class="inline">-doc</code>·attribute |
| 125 | or·function·declaration.·It·documents·the·overall·purpose·of·the·module.</p><p>The·<code·class="inline">-doc</code>·attribute·always·precedes·the·<a·href="ref_man_functions.html">function</a>·or | 125 | or·function·declaration.·It·documents·the·overall·purpose·of·the·module.</p><p>The·<code·class="inline">-doc</code>·attribute·always·precedes·the·<a·href="ref_man_functions.html">function</a>·or |
| 126 | <a·href="modules.html#module-attributes">attribute</a>·it·documents.·The | 126 | <a·href="modules.html#module-attributes">attribute</a>·it·documents.·The |
| 127 | attributes·that·can·be·documented·are | 127 | attributes·that·can·be·documented·are |
| 128 | <a·href="typespec.html#type-declarations-of-user-defined-types">user-defined·types</a> | 128 | <a·href="typespec.html#type-declarations-of-user-defined-types">user-defined·types</a> |
| 129 | (<code·class="inline">-type</code>·and·<code·class="inline">-opaque</code>)·and | 129 | (<code·class="inline">-type</code>·and·<code·class="inline">-opaque</code>)·and |
| 130 | <a·href="modules.html#behaviour-module-attribute">behaviour·module·attributes</a> | 130 | <a·href="modules.html#behaviour-module-attribute">behaviour·module·attributes</a> |
| 131 | (<code·class="inline">-callback</code>).</p><p>By·default·the·format·used·for·documentation·attributes·is | 131 | (<code·class="inline">-callback</code>).</p><p>By·default·the·format·used·for·documentation·attributes·is |
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| 140 | <a·href="modules.html#documentation-attributes">Documentation·Attributes</a>.</p><p><code·class="inline">-doc</code>·attributes·have·been·available·since·Erlang/OTP·27.</p><h2·id="documentation-metadata"·class="section-heading"> | 140 | <a·href="modules.html#documentation-attributes">Documentation·Attributes</a>.</p><p><code·class="inline">-doc</code>·attributes·have·been·available·since·Erlang/OTP·27.</p><h2·id="documentation-metadata"·class="section-heading"> |
| 141 | ··<a·href="#documentation-metadata"·class="hover-link"> | 141 | ··<a·href="#documentation-metadata"·class="hover-link"> |
| 142 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 142 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 143 | ··</a> | 143 | ··</a> |
| 144 | ··<span·class="text">Documentation·metadata</span> | 144 | ··<span·class="text">Documentation·metadata</span> |
| 145 | </h2> | 145 | </h2> |
| 146 | <p>It·is·possible·to·add·metadata·to·the·documentation·entry.·You·do·this·by·adding | 146 | <p>It·is·possible·to·add·metadata·to·the·documentation·entry.·You·do·this·by·adding |
| 147 | a·<code·class="inline">-moduledoc</code>·or·<code·class="inline">-doc</code>·attribute·with·a·map·as·argument.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 147 | a·<code·class="inline">-moduledoc</code>·or·<code·class="inline">-doc</code>·attribute·with·a·map·as·argument.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7612442567-1">(</span><span·class="ss">arith</span><span·class="p"·data-group-id="7612442567-1">)</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="s">""" | 148 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="s">""" |
| 149 | A·module·for·basic·arithmetic. | 149 | A·module·for·basic·arithmetic. |
| 150 | """</span><span·class="p">.</span><span·class="w"> | 150 | """</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="p"·data-group-id=" | 151 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="p"·data-group-id="7612442567-2">#{</span><span·class="ss">since</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"1.0"</span><span·class="p"·data-group-id="7612442567-2">}</span><span·class="p">.</span><span·class="w"> |
| 152 | </span><span·class="w"> | 152 | </span><span·class="w"> |
| 153 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 153 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7612442567-3">(</span><span·class="p"·data-group-id="7612442567-4">[</span><span·class="ss">add</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id="7612442567-4">]</span><span·class="p"·data-group-id="7612442567-3">)</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="w"> | 154 | </span><span·class="w"> |
| 155 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">"Adds·two·numbers."</span><span·class="p">.</span><span·class="w"> | 155 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">"Adds·two·numbers."</span><span·class="p">.</span><span·class="w"> |
| 156 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id=" | 156 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id="7612442567-5">(</span><span·class="p"·data-group-id="7612442567-6">#{</span><span·class="ss">since</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"1.0"</span><span·class="p"·data-group-id="761244[·...·truncated·by·diffoscope;·len:·57,·SHA:·db334d6000770473020b8ff2ef01f19bda90c72ff0c5ab258f48fd3996e5bcc3·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="nf">add</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nf">add</span><span·class="p"·data-group-id="7612442567-7">(</span><span·class="n">One</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Two</span><span·class="p"·data-group-id="7612442567-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">One</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Two</span><span·class="p">.</span></code></pre><p>The·metadata·is·used·by·documentation·tools·to·provide·extra·information·to·the |
| 158 | user.·There·can·be·multiple·metadata·documentation·entries,·in·which·case·the | 158 | user.·There·can·be·multiple·metadata·documentation·entries,·in·which·case·the |
| 159 | maps·will·be·merged·with·the·latest·taking·precedence·if·there·are·duplicate | 159 | maps·will·be·merged·with·the·latest·taking·precedence·if·there·are·duplicate |
| 160 | keys.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">"Adds·two·numbers."</span><span·class="p">.</span><span·class="w"> | 160 | keys.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">"Adds·two·numbers."</span><span·class="p">.</span><span·class="w"> |
| 161 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="p"·data-group-id=" | 161 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="p"·data-group-id="8031995205-1">#{</span><span·class="ss">since</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"1.0"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">author</span><span·class=[·...·truncated·by·diffoscope;·len:·143,·SHA:·6b8ae65961be8941cbf1323b0a0fbd42fa87fd63cc3a553c6958ef2d8f7dc500·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="p"·data-group-id=" | 162 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="p"·data-group-id="8031995205-2">#{</span><span·class="ss">since</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"2.0"</span><span·class="p"·data-group-id="8031995205-2">}</span><span·class="p">.</span><span·class="w"> |
| 163 | </span><span·class="nf">add</span><span·class="p"·data-group-id=" | 163 | </span><span·class="nf">add</span><span·class="p"·data-group-id="8031995205-3">(</span><span·class="n">One</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Two</span><span·class="p"·data-group-id="8031995205-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">One</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Two</span><span·class="p">.</span></code></pre><p>This·will·result·in·a·metadata·entry·of·<code·class="inline">#{since·=>·"2.0",·author·=>·"Joe"}</code>.</p><p>The·keys·and·values·in·the·metadata·map·can·be·any·type,·but·it·is·recommended |
| 164 | that·only·<a·href="data_types.html#atom">atoms</a>·are·used·for·keys·and | 164 | that·only·<a·href="data_types.html#atom">atoms</a>·are·used·for·keys·and |
| 165 | <a·href="data_types.html#string">strings</a>·for·the·values.</p><h2·id="external-documentation-files"·class="section-heading"> | 165 | <a·href="data_types.html#string">strings</a>·for·the·values.</p><h2·id="external-documentation-files"·class="section-heading"> |
| 166 | ··<a·href="#external-documentation-files"·class="hover-link"> | 166 | ··<a·href="#external-documentation-files"·class="hover-link"> |
| 167 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 167 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 168 | ··</a> | 168 | ··</a> |
| 169 | ··<span·class="text">External·documentation·files</span> | 169 | ··<span·class="text">External·documentation·files</span> |
| 170 | </h2> | 170 | </h2> |
| 171 | <p>The·<code·class="inline">-moduledoc</code>·and·<code·class="inline">-doc</code>·can·also·be·placed·in·external·files.·To·do·so·use | 171 | <p>The·<code·class="inline">-moduledoc</code>·and·<code·class="inline">-doc</code>·can·also·be·placed·in·external·files.·To·do·so·use |
| 172 | <code·class="inline">-doc·{file,·"path/to/doc.md"}</code>·to·point·to·the·documentation.·The·path·used·is | 172 | <code·class="inline">-doc·{file,·"path/to/doc.md"}</code>·to·point·to·the·documentation.·The·path·used·is |
| 173 | relative·to·the·file·where·the·<code·class="inline">-doc</code>·attribute·is·located.·For·example:</p><pre><code·class="markdown">%%·doc/add.md | 173 | relative·to·the·file·where·the·<code·class="inline">-doc</code>·attribute·is·located.·For·example:</p><pre><code·class="markdown">%%·doc/add.md |
| 174 | Adds·two·numbers.</code></pre><p>and</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·src/arith.erl</span><span·class="w"> | 174 | Adds·two·numbers.</code></pre><p>and</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·src/arith.erl</span><span·class="w"> |
| 175 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id=" | 175 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id="4530725677-1">(</span><span·class="p"·data-group-id="4530725677-2">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"../doc/add.md"</span><span·class="p"·data-group-id="4530725677-2">}</span><spa[·...·truncated·by·diffoscope;·len:·37,·SHA:·c593d4a40679fb9b71317f74156563e868e4d2c5bdcd5389e853d39342aa4c93·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="nf">add</span><span·class="p"·data-group-id=" | 176 | </span><span·class="nf">add</span><span·class="p"·data-group-id="4530725677-3">(</span><span·class="n">One</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Two</span><span·class="p"·data-group-id="4530725677-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">One</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Two</span><span·class="p">.</span></code></pre><h2·id="documenting-a-module"·class="section-heading"> |
| 177 | ··<a·href="#documenting-a-module"·class="hover-link"> | 177 | ··<a·href="#documenting-a-module"·class="hover-link"> |
| 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 179 | ··</a> | 179 | ··</a> |
| 180 | ··<span·class="text">Documenting·a·module</span> | 180 | ··<span·class="text">Documenting·a·module</span> |
| 181 | </h2> | 181 | </h2> |
| 182 | <p>The·module·description·should·include·details·on·how·to·use·the·API·and·examples | 182 | <p>The·module·description·should·include·details·on·how·to·use·the·API·and·examples |
| 183 | of·the·different·functions·working·together.·Here·is·a·good·place·to·use·images | 183 | of·the·different·functions·working·together.·Here·is·a·good·place·to·use·images |
| 184 | and·other·diagrams·to·better·show·the·usage·of·the·module.·Instead·of·writing·a | 184 | and·other·diagrams·to·better·show·the·usage·of·the·module.·Instead·of·writing·a |
| 185 | long·text·in·the·<code·class="inline">moduledoc</code>·attribute,·it·could·be·better·to·break·it·out·into | 185 | long·text·in·the·<code·class="inline">moduledoc</code>·attribute,·it·could·be·better·to·break·it·out·into |
| 186 | an·external·page.</p><p>The·<code·class="inline">moduledoc</code>·attribute·should·start·with·a·short·paragraph·describing·the | 186 | an·external·page.</p><p>The·<code·class="inline">moduledoc</code>·attribute·should·start·with·a·short·paragraph·describing·the |
| 187 | module·and·then·go·into·greater·details.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 187 | module·and·then·go·into·greater·details.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="3607593522-1">(</span><span·class="ss">arith</span><span·class="p"·data-group-id="3607593522-1">)</span><span·class="p">.</span><span·class="w"> |
| 188 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="s">""</span><span·class="s">" | 188 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="s">""</span><span·class="s">" |
| 189 | ···A·module·for·basic·arithmetic. | 189 | ···A·module·for·basic·arithmetic. |
| 190 | ···This·module·can·be·used·to·add·and·subtract·values.·For·example: | 190 | ···This·module·can·be·used·to·add·and·subtract·values.·For·example: |
| 191 | ···```erlang | 191 | ···```erlang |
| 192 | ···1>·arith:substract(arith:add(2,·3),·1). | 192 | ···1>·arith:substract(arith:add(2,·3),·1). |
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| 203 | <p>There·are·three·reserved·metadata·keys·for·<code·class="inline">-moduledoc</code>:</p><ul><li><code·class="inline">since</code>·-·Shows·in·which·version·of·the·application·the·module·was·added. | 203 | <p>There·are·three·reserved·metadata·keys·for·<code·class="inline">-moduledoc</code>:</p><ul><li><code·class="inline">since</code>·-·Shows·in·which·version·of·the·application·the·module·was·added. |
| 204 | If·this·is·added,·all·functions,·types,·and·callbacks·within·will·also·receive | 204 | If·this·is·added,·all·functions,·types,·and·callbacks·within·will·also·receive |
| 205 | the·same·<code·class="inline">since</code>·value·unless·specified·in·the·metadata·of·the·function,·type | 205 | the·same·<code·class="inline">since</code>·value·unless·specified·in·the·metadata·of·the·function,·type |
| 206 | or·callback.</li><li><code·class="inline">deprecated</code>·-·Shows·a·text·in·the·documentation·explaining·that·it·is | 206 | or·callback.</li><li><code·class="inline">deprecated</code>·-·Shows·a·text·in·the·documentation·explaining·that·it·is |
| 207 | deprecated·and·what·to·use·instead.</li><li><code·class="inline">format</code>·-·The·format·to·use·for·all·documentation·in·this·module.·The | 207 | deprecated·and·what·to·use·instead.</li><li><code·class="inline">format</code>·-·The·format·to·use·for·all·documentation·in·this·module.·The |
| 208 | default·is·<code·class="inline">text/markdown</code>.·It·should·be·written·using·the | 208 | default·is·<code·class="inline">text/markdown</code>.·It·should·be·written·using·the |
| 209 | <a·href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types">mime·type</a> | 209 | <a·href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types">mime·type</a> |
| 210 | of·the·format.</li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="p"·data-group-id=" | 210 | of·the·format.</li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="p"·data-group-id="9285012097-1">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"../doc/arith.asciidoc"</span><span·class="p"·data-group-id="9285012097-1">}</span><span·class="p">.</span><span·class="w"> |
| 211 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="p"·data-group-id=" | 211 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="p"·data-group-id="9285012097-2">#{</span><span·class="ss">since</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"0.1"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">format</span><span·class=[·...·truncated·by·diffoscope;·len:·153,·SHA:·a37442b7fc6abbe489d9c5b3462a3130706b1288262c3edf58b30c020aa201a6·...·]-2">}</span><span·class="p">.</span><span·class="w"> |
| 212 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="p"·data-group-id=" | 212 | </span><span·class="p">-</span><span·class="na">moduledoc</span><span·class="w">·</span><span·class="p"·data-group-id="9285012097-3">#{</span><span·class="ss">deprecated</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"Use·the·Erlang·arithmetic·operators·instead."</span><span·class="p"·data-group-id="9285012097-3">}</span><span·class="p">.</span></code></pre><h2·id="documenting-functions-user-defined-types-and-callbacks"·class="section-heading"> |
| 213 | ··<a·href="#documenting-functions-user-defined-types-and-callbacks"·class="hover-link"> | 213 | ··<a·href="#documenting-functions-user-defined-types-and-callbacks"·class="hover-link"> |
| 214 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 214 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 215 | ··</a> | 215 | ··</a> |
| 216 | ··<span·class="text">Documenting·functions,·user-defined·types,·and·callbacks</span> | 216 | ··<span·class="text">Documenting·functions,·user-defined·types,·and·callbacks</span> |
| 217 | </h2> | 217 | </h2> |
| 218 | <p>Functions,·types,·and·callbacks·can·be·documented·using·the·<code·class="inline">-doc</code>·attribute. | 218 | <p>Functions,·types,·and·callbacks·can·be·documented·using·the·<code·class="inline">-doc</code>·attribute. |
| 219 | Each·entry·should·start·with·a·short·paragraph·describing·the·purpose·of·entity, | 219 | Each·entry·should·start·with·a·short·paragraph·describing·the·purpose·of·entity, |
| 220 | and·then·go·into·greater·detail·in·needed.</p><p>It·is·not·recommended·to·include·images·or·diagrams·in·this·documentation·as·it | 220 | and·then·go·into·greater·detail·in·needed.</p><p>It·is·not·recommended·to·include·images·or·diagrams·in·this·documentation·as·it |
| 221 | is·used·by·IDEs·and·<a·href="../../lib/stdlib-6.2.1/doc/html/c.html#h/1"><code·class="inline">c:h/1</code></a>·to·show·the·documentation·to·the·user.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">""" | 221 | is·used·by·IDEs·and·<a·href="../../lib/stdlib-6.2.1/doc/html/c.html#h/1"><code·class="inline">c:h/1</code></a>·to·show·the·documentation·to·the·user.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">""" |
| 222 | A·number·that·can·be·used·by·the·arith·module. | 222 | A·number·that·can·be·used·by·the·arith·module. |
| 223 | We·use·a·special·number·here·so·that·we·know | 223 | We·use·a·special·number·here·so·that·we·know |
| 224 | that·this·number·comes·from·this·module. | 224 | that·this·number·comes·from·this·module. |
| 225 | """</span><span·class="p">.</span><span·class="w"> | 225 | """</span><span·class="p">.</span><span·class="w"> |
| 226 | </span><span·class="p">-</span><span·class="na">opaque</span><span·class="w">·</span><span·class="nf">number</span><span·class="p"·data-group-id=" | 226 | </span><span·class="p">-</span><span·class="na">opaque</span><span·class="w">·</span><span·class="nf">number</span><span·class="p"·data-group-id="1567341712-1">(</span><span·class="p"·data-group-id="1567341712-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="1567341712-2">{</span><span·class="ss">arith</span><sp[·...·truncated·by·diffoscope;·len:·275,·SHA:·134b6f515cdb666544f7fd526e5507ae4995d1c4034dd490ab4236110265872a·...·]2-2">}</span><span·class="p">.</span><span·class="w"> |
| 227 | </span><span·class="w"> | 227 | </span><span·class="w"> |
| 228 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">""" | 228 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">""" |
| 229 | Adds·two·numbers. | 229 | Adds·two·numbers. |
| 230 | ###·Example: | 230 | ###·Example: |
| 231 | ``` | 231 | ``` |
| 232 | 1>·arith:add(arith:number(1),·arith:number(2)).·{number,·3} | 232 | 1>·arith:add(arith:number(1),·arith:number(2)).·{number,·3} |
| 233 | ``` | 233 | ``` |
| 234 | """</span><span·class="p">.</span><span·class="w"> | 234 | """</span><span·class="p">.</span><span·class="w"> |
| 235 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">add</span><span·class="p"·data-group-id=" | 235 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">add</span><span·class="p"·data-group-id="1567341712-4">(</span><span·class="nf">number</span><span·class="p"·data-group-id="1567341712-5">(</span><span·class="p"·data-group-id="1567341712-5">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">number</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·338,·SHA:·f886eab129f4158c6da2585a107bd8dd18f0a346d475a66d0685bbc8e881aad7·...·]2-7">)</span><span·class="p">.</span><span·class="w"> |
| 236 | </span><span·class="nf">add</span><span·class="p"·data-group-id=" | 236 | </span><span·class="nf">add</span><span·class="p"·data-group-id="1567341712-8">(</span><span·class="p"·data-group-id="1567341712-9">{</span><span·class="ss">number</span><span·class="p">,</span><span·class="w">·</span><span·class="n">One</span><span·class="p"·data-group-id="1567341712-9">}</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·661,·SHA:·0db80aee98899075cc053f3ae7efab027c639e691ce111fb1a61fb05d077290a·...·]2-11">}</span><span·class="p">.</span></code></pre><h3·id="doc-metadata"·class="section-heading"> |
| 237 | ··<a·href="#doc-metadata"·class="hover-link"> | 237 | ··<a·href="#doc-metadata"·class="hover-link"> |
| 238 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 238 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 239 | ··</a> | 239 | ··</a> |
| 240 | ··<span·class="text">Doc·metadata</span> | 240 | ··<span·class="text">Doc·metadata</span> |
| 241 | </h3> | 241 | </h3> |
| 242 | <p>There·are·four·reserved·metadata·keys·for·<code·class="inline">-doc</code>:</p><ul><li><p><code·class="inline">since·=>·unicode:chardata()</code>·-·Shows·which·version·of·the·application·the | 242 | <p>There·are·four·reserved·metadata·keys·for·<code·class="inline">-doc</code>:</p><ul><li><p><code·class="inline">since·=>·unicode:chardata()</code>·-·Shows·which·version·of·the·application·the |
| 243 | module·was·added.</p></li><li><p><code·class="inline">deprecated·=>·unicode:chardata()</code>·-·Shows·a·text·in·the·documentation | 243 | module·was·added.</p></li><li><p><code·class="inline">deprecated·=>·unicode:chardata()</code>·-·Shows·a·text·in·the·documentation |
| 244 | explaining·that·it·is·deprecated·and·what·to·use·instead.·The·compiler·will | 244 | explaining·that·it·is·deprecated·and·what·to·use·instead.·The·compiler·will |
| 245 | automatically·insert·this·key·if·there·is·a·<code·class="inline">-deprecated</code>·attribute·marking·a | 245 | automatically·insert·this·key·if·there·is·a·<code·class="inline">-deprecated</code>·attribute·marking·a |
| 246 | function·as·deprecated.</p></li><li><p><code·class="inline">equiv·=>·unicode:chardata()·|·F/A·|·F(...)</code>·-·Notes·that·this·function·is·equivalent·to | 246 | function·as·deprecated.</p></li><li><p><code·class="inline">equiv·=>·unicode:chardata()·|·F/A·|·F(...)</code>·-·Notes·that·this·function·is·equivalent·to |
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| 122 | ··<span·class="text">Drivers·and·Concurrency</span> | 122 | ··<span·class="text">Drivers·and·Concurrency</span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>The·runtime·system·always·takes·a·lock·before·running·any·code·in·a·driver.</p><p>By·default,·that·lock·is·at·the·driver·level,·that·is,·if·several·ports·have | 124 | <p>The·runtime·system·always·takes·a·lock·before·running·any·code·in·a·driver.</p><p>By·default,·that·lock·is·at·the·driver·level,·that·is,·if·several·ports·have |
| 125 | been·opened·to·the·same·driver,·only·code·for·one·port·at·the·same·time·can·be | 125 | been·opened·to·the·same·driver,·only·code·for·one·port·at·the·same·time·can·be |
| 126 | running.</p><p>A·driver·can·be·configured·to·have·one·lock·for·each·port·instead.</p><p>If·a·driver·is·used·in·a·functional·way·(that·is,·holds·no·state,·but·only·does | 126 | running.</p><p>A·driver·can·be·configured·to·have·one·lock·for·each·port·instead.</p><p>If·a·driver·is·used·in·a·functional·way·(that·is,·holds·no·state,·but·only·does |
| 127 | some·heavy·calculation·and·returns·a·result),·several·ports·with·registered | 127 | some·heavy·calculation·and·returns·a·result),·several·ports·with·registered |
| 128 | names·can·be·opened·beforehand,·and·the·port·to·be·used·can·be·chosen·based·on | 128 | names·can·be·opened·beforehand,·and·the·port·to·be·used·can·be·chosen·based·on |
| 129 | the·scheduler·ID·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 129 | the·scheduler·ID·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="6098527146-1">(</span><span·class="n">PORT_NAMES</span><span·class="p"·data-group-id="6098527146-2">(</span><span·class="p"·data-group-id="6098527146-2">)</span><span·class="p">,</span><span·class="w"> |
| 130 | » </span><span·class="p"·data-group-id=" | 130 | » </span><span·class="p"·data-group-id="6098527146-3">{</span><span·class="ss">some_driver_01</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_02</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_03</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_04</span><span·class="p">,</span><span·class="w"> |
| 131 | » ·</span><span·class="ss">some_driver_05</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_06</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_07</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_08</span><span·class="p">,</span><span·class="w"> | 131 | » ·</span><span·class="ss">some_driver_05</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_06</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_07</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_08</span><span·class="p">,</span><span·class="w"> |
| 132 | » ·</span><span·class="ss">some_driver_09</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_10</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_11</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_12</span><span·class="p">,</span><span·class="w"> | 132 | » ·</span><span·class="ss">some_driver_09</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_10</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_11</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_12</span><span·class="p">,</span><span·class="w"> |
| 133 | » ·</span><span·class="ss">some_driver_13</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_14</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_15</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_16</span><span·class="p"·data-group-id=" | 133 | » ·</span><span·class="ss">some_driver_13</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_14</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_15</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">some_driver_16</span><span·class="p"·data-group-id="6098527146-3">}</span><span·class="p"·data-group-id="6098527146-1">)</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="nf">client_port</span><span·class="p"·data-group-id=" | 134 | </span><span·class="nf">client_port</span><span·class="p"·data-group-id="6098527146-4">(</span><span·class="p"·data-group-id="6098527146-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 135 | ····</span><span·class="nf">element</span><span·class="p"·data-group-id="4356667726-5">(</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="4356667726-6">(</span><span·class="ss">scheduler_id</span><span·class="p"·data-group-id="4356667726-6">)</span><span·class="w">·</span><span·class="ow">rem</span><span·class="w">·</span><span·class="nf">tuple_size</span><span·class="p"·data-group-id="4356667726-7">(</span><span·class="o">?</span><span·class="n">PORT_NAMES</span><span·class="p"·data-group-id="4356667726-8">(</span><span·class="p"·data-group-id="4356667726-8">)</span><span·class="p"·data-group-id="4356667726-7">)</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | ||
| 136 | 135 | ····</span><span·class="nf">element</span><span·class="p"·data-group-id="6098527146-5">(</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="6098527146-6">(</span><span·class="ss">sc[·...·truncated·by·diffoscope;·len:·585,·SHA:·580a4aadbc01b086510e57e045f98a69ed5342a1c775816a51376b888dda300b·...·] | |
| 136 | » ····</span><span·class="o">?</span><span·class="n">PORT_NAMES</span><span·class="p"·data-group-id="6098527146-9">(</span><span·class="p"·data-group-id="6098527146-9">)</span><span·class="p"·data-group-id="6098527146-5">)</span><span·class="p">.</span></code></pre><p>As·long·as·there·are·no·more·than·16·schedulers,·there·will·never·be·any·lock | ||
| 137 | contention·on·the·port·lock·for·the·driver.</p><h2·id="avoiding-copying-binaries-when-calling-a-driver"·class="section-heading"> | 137 | contention·on·the·port·lock·for·the·driver.</p><h2·id="avoiding-copying-binaries-when-calling-a-driver"·class="section-heading"> |
| 138 | ··<a·href="#avoiding-copying-binaries-when-calling-a-driver"·class="hover-link"> | 138 | ··<a·href="#avoiding-copying-binaries-when-calling-a-driver"·class="hover-link"> |
| 139 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 139 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 140 | ··</a> | 140 | ··</a> |
| 141 | ··<span·class="text">Avoiding·Copying·Binaries·When·Calling·a·Driver</span> | 141 | ··<span·class="text">Avoiding·Copying·Binaries·When·Calling·a·Driver</span> |
| 142 | </h2> | 142 | </h2> |
| 143 | <p>There·are·basically·two·ways·to·avoid·copying·a·binary·that·is·sent·to·a·driver:</p><ul><li><p>If·the·<code·class="inline">Data</code>·argument·for·<a·href="../../erts-15.2.3/doc/html/erlang.html#port_control/3"><code·class="inline">port_control/3</code></a>·is·a | 143 | <p>There·are·basically·two·ways·to·avoid·copying·a·binary·that·is·sent·to·a·driver:</p><ul><li><p>If·the·<code·class="inline">Data</code>·argument·for·<a·href="../../erts-15.2.3/doc/html/erlang.html#port_control/3"><code·class="inline">port_control/3</code></a>·is·a |
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| 225 | ······<p·class="built-using"> | 225 | ······<p·class="built-using"> |
| 226 | ········Built·using | 226 | ········Built·using |
| 227 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 227 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 228 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 228 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 229 | ······</p> | 229 | ······</p> |
| 230 | <p>Copyright·©·1996-202 | 230 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 231 | ····</footer> | 231 | ····</footer> |
| 232 | ··</div> | 232 | ··</div> |
| 233 | </main> | 233 | </main> |
| 234 | </div> | 234 | </div> |
| 235 | <script> | 235 | <script> |
| 236 | ··function·mermaidLoaded()·{ | 236 | ··function·mermaidLoaded()·{ |
| 237 | ····mermaid.initialize({ | 237 | ····mermaid.initialize({ |
| Offset 122, 67 lines modified | Offset 122, 67 lines modified | ||
| 122 | ··<span·class="text">Pattern·Matching</span> | 122 | ··<span·class="text">Pattern·Matching</span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>Pattern·matching·in·function·head·as·well·as·in·<code·class="inline">case</code>·and·<code·class="inline">receive</code>·clauses·are | 124 | <p>Pattern·matching·in·function·head·as·well·as·in·<code·class="inline">case</code>·and·<code·class="inline">receive</code>·clauses·are |
| 125 | optimized·by·the·compiler.·With·a·few·exceptions,·there·is·nothing·to·gain·by | 125 | optimized·by·the·compiler.·With·a·few·exceptions,·there·is·nothing·to·gain·by |
| 126 | rearranging·clauses.</p><p>One·exception·is·pattern·matching·of·binaries.·The·compiler·does·not·rearrange | 126 | rearranging·clauses.</p><p>One·exception·is·pattern·matching·of·binaries.·The·compiler·does·not·rearrange |
| 127 | clauses·that·match·binaries.·Placing·the·clause·that·matches·against·the·empty | 127 | clauses·that·match·binaries.·Placing·the·clause·that·matches·against·the·empty |
| 128 | binary·<em>last</em>·is·usually·slightly·faster·than·placing·it·<em>first</em>.</p><p>The·following·is·a·rather·unnatural·example·to·show·another·exception·where | 128 | binary·<em>last</em>·is·usually·slightly·faster·than·placing·it·<em>first</em>.</p><p>The·following·is·a·rather·unnatural·example·to·show·another·exception·where |
| 129 | rearranging·clauses·is·beneficial:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">atom_map1</span><span·class="p"·data-group-id=" | 129 | rearranging·clauses·is·beneficial:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">atom_map1</span><span·class="p"·data-group-id="5994832360-1">(</span><span·class="ss">one</span><span·class="p"·data-group-id="5994832360-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">1</span><span·class="p">;</span><span·class="w"> |
| 130 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id=" | 130 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id="5994832360-2">(</span><span·class="ss">two</span><span·class="p"·data-group-id="5994832360-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">2</span><span·class="p">;</span><span·class="w"> |
| 131 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id=" | 131 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id="5994832360-3">(</span><span·class="ss">three</span><span·class="p"·data-group-id="5994832360-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">3</span><span·class="p">;</span><span·class="w"> |
| 132 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id=" | 132 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id="5994832360-4">(</span><span·class="n">Int</span><span·class="p"·data-group-id="5994832360-4">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id="5994832360-5">([·...·truncated·by·diffoscope;·len:·74,·SHA:·e37c7f56f2fc96382d4f006a111f816bac201751e946a98d5625e1b7184cbd66·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Int</span><span·class="p">;</span><span·class="w"> |
| 133 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id=" | 133 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id="5994832360-6">(</span><span·class="ss">four</span><span·class="p"·data-group-id="5994832360-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">4</span><span·class="p">;</span><span·class="w"> |
| 134 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id=" | 134 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id="5994832360-7">(</span><span·class="ss">five</span><span·class="p"·data-group-id="5994832360-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">5</span><span·class="p">;</span><span·class="w"> |
| 135 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id=" | 135 | </span><span·class="nf">atom_map1</span><span·class="p"·data-group-id="5994832360-8">(</span><span·class="ss">six</span><span·class="p"·data-group-id="5994832360-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">6</span><span·class="p">.</span></code></pre><p>The·problem·is·the·clause·with·the·variable·<code·class="inline">Int</code>.·As·a·variable·can·match |
| 136 | anything,·including·the·atoms·<code·class="inline">four</code>,·<code·class="inline">five</code>,·and·<code·class="inline">six</code>,·which·the·following | 136 | anything,·including·the·atoms·<code·class="inline">four</code>,·<code·class="inline">five</code>,·and·<code·class="inline">six</code>,·which·the·following |
| 137 | clauses·also·match,·the·compiler·must·generate·suboptimal·code·that·executes·as | 137 | clauses·also·match,·the·compiler·must·generate·suboptimal·code·that·executes·as |
| 138 | follows:</p><ul><li>First,·the·input·value·is·compared·to·<code·class="inline">one</code>,·<code·class="inline">two</code>,·and·<code·class="inline">three</code>·(using·a | 138 | follows:</p><ul><li>First,·the·input·value·is·compared·to·<code·class="inline">one</code>,·<code·class="inline">two</code>,·and·<code·class="inline">three</code>·(using·a |
| 139 | single·instruction·that·does·a·binary·search;·thus,·quite·efficient·even·if | 139 | single·instruction·that·does·a·binary·search;·thus,·quite·efficient·even·if |
| 140 | there·are·many·values)·to·select·which·one·of·the·first·three·clauses·to | 140 | there·are·many·values)·to·select·which·one·of·the·first·three·clauses·to |
| 141 | execute·(if·any).</li><li>If·none·of·the·first·three·clauses·match,·the·fourth·clause·match·as·a | 141 | execute·(if·any).</li><li>If·none·of·the·first·three·clauses·match,·the·fourth·clause·match·as·a |
| 142 | variable·always·matches.</li><li>If·the·guard·test·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_integer/1"><code·class="inline">is_integer(Int)</code></a>·succeeds,·the·fourth | 142 | variable·always·matches.</li><li>If·the·guard·test·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_integer/1"><code·class="inline">is_integer(Int)</code></a>·succeeds,·the·fourth |
| 143 | clause·is·executed.</li><li>If·the·guard·test·fails,·the·input·value·is·compared·to·<code·class="inline">four</code>,·<code·class="inline">five</code>,·and | 143 | clause·is·executed.</li><li>If·the·guard·test·fails,·the·input·value·is·compared·to·<code·class="inline">four</code>,·<code·class="inline">five</code>,·and |
| 144 | <code·class="inline">six</code>,·and·the·appropriate·clause·is·selected.·(There·is·a·<code·class="inline">function_clause</code> | 144 | <code·class="inline">six</code>,·and·the·appropriate·clause·is·selected.·(There·is·a·<code·class="inline">function_clause</code> |
| 145 | exception·if·none·of·the·values·matched.)</li></ul><p>Rewriting·to·either:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">atom_map2</span><span·class="p"·data-group-id=" | 145 | exception·if·none·of·the·values·matched.)</li></ul><p>Rewriting·to·either:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">atom_map2</span><span·class="p"·data-group-id="0069559639-1">(</span><span·class="ss">one</span><span·class="p"·data-group-id="0069559639-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">1</span><span·class="p">;</span><span·class="w"> |
| 146 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id=" | 146 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id="0069559639-2">(</span><span·class="ss">two</span><span·class="p"·data-group-id="0069559639-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">2</span><span·class="p">;</span><span·class="w"> |
| 147 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id=" | 147 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id="0069559639-3">(</span><span·class="ss">three</span><span·class="p"·data-group-id="0069559639-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">3</span><span·class="p">;</span><span·class="w"> |
| 148 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id=" | 148 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id="0069559639-4">(</span><span·class="ss">four</span><span·class="p"·data-group-id="0069559639-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">4</span><span·class="p">;</span><span·class="w"> |
| 149 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id=" | 149 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id="0069559639-5">(</span><span·class="ss">five</span><span·class="p"·data-group-id="0069559639-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">5</span><span·class="p">;</span><span·class="w"> |
| 150 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id=" | 150 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id="0069559639-6">(</span><span·class="ss">six</span><span·class="p"·data-group-id="0069559639-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">6</span><span·class="p">;</span><span·class="w"> |
| 151 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id=" | 151 | </span><span·class="nf">atom_map2</span><span·class="p"·data-group-id="0069559639-7">(</span><span·class="n">Int</span><span·class="p"·data-group-id="0069559639-7">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id="0069559639-8">([·...·truncated·by·diffoscope;·len:·703,·SHA:·f9ad9aa090708ed196dd8fb8cd70213844a601118bbe1afaf862a1ad249c40dd·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Int</span><span·class="p">;</span><span·class="w"> |
| 152 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="3 | 152 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="8306668001-3">(</span><span·class="ss">one</span><span·class="p"·data-group-id="8306668001-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">1</span><span·class="p">;</span><span·class="w"> |
| 153 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="3 | 153 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="8306668001-4">(</span><span·class="ss">two</span><span·class="p"·data-group-id="8306668001-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">2</span><span·class="p">;</span><span·class="w"> |
| 154 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="3 | 154 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="8306668001-5">(</span><span·class="ss">three</span><span·class="p"·data-group-id="8306668001-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">3</span><span·class="p">;</span><span·class="w"> |
| 155 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="3 | 155 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="8306668001-6">(</span><span·class="ss">four</span><span·class="p"·data-group-id="8306668001-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">4</span><span·class="p">;</span><span·class="w"> |
| 156 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="3 | 156 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="8306668001-7">(</span><span·class="ss">five</span><span·class="p"·data-group-id="8306668001-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">5</span><span·class="p">;</span><span·class="w"> |
| 157 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="3 | 157 | </span><span·class="nf">atom_map3</span><span·class="p"·data-group-id="8306668001-8">(</span><span·class="ss">six</span><span·class="p"·data-group-id="8306668001-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">6</span><span·class="p">.</span></code></pre><p>gives·slightl[·...·truncated·by·diffoscope;·len:·541,·SHA:·9b896a4712694f63bdea837f559cf0e44d6623eab6e0807c8f36d40dbbd35695·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ····</span><span·class="n">Ys</span><span·class="p">;</span><span·class="w"> | 158 | ····</span><span·class="n">Ys</span><span·class="p">;</span><span·class="w"> |
| 159 | </span><span·class="nf">map_pairs1</span><span·class="p"·data-group-id=" | 159 | </span><span·class="nf">map_pairs1</span><span·class="p"·data-group-id="1897215976-3">(</span><span·class="p">_</span><span·class="n">Map</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Xs</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1897215976-4">[</span><span·clas[·...·truncated·by·diffoscope;·len:·84,·SHA:·ddf8a2bafde1f28a769bf124cb4fcdc4ae1f94f5c259e525f2bb2b2cf93e07d5·...·]-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 160 | ····</span><span·class="n">Xs</span><span·class="p">;</span><span·class="w"> | 160 | ····</span><span·class="n">Xs</span><span·class="p">;</span><span·class="w"> |
| 161 | </span><span·class="nf">map_pairs1</span><span·class="p"·data-group-id=" | 161 | </span><span·class="nf">map_pairs1</span><span·class="p"·data-group-id="1897215976-5">(</span><span·class="n">Map</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1897215976-6">[</span><span·class="n">X</span><span·class="p">|</span><span·class="n">Xs</span><span·class="p"·data-group-id="189[·...·truncated·by·diffoscope;·len:·287,·SHA:·8c3b06c63c6e4b630639888c99a74f6cd95483f3378beceb1ac005eedd910437·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 162 | ····</span><span·class="p"·data-group-id=" | 162 | ····</span><span·class="p"·data-group-id="1897215976-8">[</span><span·class="n">Map</span><span·class="p"·data-group-id="1897215976-9">(</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="1897215976-9">)</span><span·[·...·truncated·by·diffoscope;·len:·373,·SHA:·eb4cdd08ece83d5ee23031b8824e6f9c807ee19d3c56de644a5a3b4568528130·...·]-8">]</span><span·class="p">.</span></code></pre><p>The·first·argument·is·<em>not</em>·a·problem.·It·is·variable,·but·it·is·a·variable·in |
| 163 | all·clauses.·The·problem·is·the·variable·in·the·second·argument,·<code·class="inline">Xs</code>,·in·the | 163 | all·clauses.·The·problem·is·the·variable·in·the·second·argument,·<code·class="inline">Xs</code>,·in·the |
| 164 | middle·clause.·Because·the·variable·can·match·anything,·the·compiler·is·not | 164 | middle·clause.·Because·the·variable·can·match·anything,·the·compiler·is·not |
| 165 | allowed·to·rearrange·the·clauses,·but·must·generate·code·that·matches·them·in | 165 | allowed·to·rearrange·the·clauses,·but·must·generate·code·that·matches·them·in |
| 166 | the·order·written.</p><p>If·the·function·is·rewritten·as·follows,·the·compiler·is·free·to·rearrange·the | 166 | the·order·written.</p><p>If·the·function·is·rewritten·as·follows,·the·compiler·is·free·to·rearrange·the |
| 167 | clauses:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">map_pairs2</span><span·class="p"·data-group-id=" | 167 | clauses:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">map_pairs2</span><span·class="p"·data-group-id="2471276525-1">(</span><span·class="p">_</span><span·class="n">Map</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2471276525-2">[</span><span·class="p"·data-group-id="2471276525-2">]</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·84,·SHA:·f8363acaf8b34ed5146eb8cda1ffe5d41255fa96d332f9af45f5147bb425a5ff·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 168 | ····</span><span·class="n">Ys</span><span·class="p">;</span><span·class="w"> | 168 | ····</span><span·class="n">Ys</span><span·class="p">;</span><span·class="w"> |
| 169 | </span><span·class="nf">map_pairs2</span><span·class="p"·data-group-id=" | 169 | </span><span·class="nf">map_pairs2</span><span·class="p"·data-group-id="2471276525-3">(</span><span·class="p">_</span><span·class="n">Map</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2471276525-4">[</span><span·class="p">_</span><span·class="p">|</span><span·class="p">_</span><span·class[·...·truncated·by·diffoscope;·len:·310,·SHA:·2dfae325e2ea0f8602bb7e33c9bf7f24c9ce3119c23af718063fdf62822c1d1f·...·]-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 170 | ····</span><span·class="n">Xs</span><span·class="p">;</span><span·class="w"> | 170 | ····</span><span·class="n">Xs</span><span·class="p">;</span><span·class="w"> |
| 171 | </span><span·class="nf">map_pairs2</span><span·class="p"·data-group-id=" | 171 | </span><span·class="nf">map_pairs2</span><span·class="p"·data-group-id="2471276525-6">(</span><span·class="n">Map</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2471276525-7">[</span><span·class="n">X</span><span·class="p">|</span><span·class="n">Xs</span><span·class="p"·data-group-id="247[·...·truncated·by·diffoscope;·len:·287,·SHA:·59ee4cb69e7ed11752c894ea21465fef196a351bf76e5d853b4b1aee7e2f85fa·...·]-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 172 | ····</span><span·class="p"·data-group-id=" | 172 | ····</span><span·class="p"·data-group-id="2471276525-9">[</span><span·class="n">Map</span><span·class="p"·data-group-id="2471276525-10">(</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="2471276525-10">)</span><spa[·...·truncated·by·diffoscope;·len:·897,·SHA:·1a321104dda1ca96a286c05e17749a7ee84c2b94b3cddf5c067f94dd165a1cbc·...·]2-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 173 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Xs0</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 173 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Xs0</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 174 | » </span><span·class="p"·data-group-id=" | 174 | » </span><span·class="p"·data-group-id="7239140712-2">[</span><span·class="n">X</span><span·class="p">|</span><span·class="n">Xs</span><span·class="p"·data-group-id="7239140712-2">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 175 | » ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Ys0</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 175 | » ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Ys0</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 176 | » » </span><span·class="p"·data-group-id=" | 176 | » » </span><span·class="p"·data-group-id="7239140712-3">[</span><span·class="n">Y</span><span·class="p">|</span><span·class="n">Ys</span><span·class="p"·data-group-id="7239140712-3">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | » » ····</span><span·class="p"·data-group-id=" | 177 | » » ····</span><span·class="p"·data-group-id="7239140712-4">[</span><span·class="n">Map</span><span·class="p"·data-group-id="7239140712-5">(</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="7239140712-5">)</span><span·[·...·truncated·by·diffoscope;·len:·378,·SHA:·02842bec5d9a36044000cfa772f65e47adc5ac73e2f7dafc0eae7e5fe56c6965·...·]2-4">]</span><span·class="p">;</span><span·class="w"> |
| 178 | » » </span><span·class="p"·data-group-id=" | 178 | » » </span><span·class="p"·data-group-id="7239140712-7">[</span><span·class="p"·data-group-id="7239140712-7">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | » » ····</span><span·class="n">Xs0</span><span·class="w"> | 179 | » » ····</span><span·class="n">Xs0</span><span·class="w"> |
| 180 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 180 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 181 | » </span><span·class="p"·data-group-id=" | 181 | » </span><span·class="p"·data-group-id="7239140712-8">[</span><span·class="p"·data-group-id="7239140712-8">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 182 | » ····</span><span·class="n">Ys0</span><span·class="w"> | 182 | » ····</span><span·class="n">Ys0</span><span·class="w"> |
| 183 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>This·is·slightly·faster·for·probably·the·most·common·case·that·the·input·lists | 183 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>This·is·slightly·faster·for·probably·the·most·common·case·that·the·input·lists |
| 184 | are·not·empty·or·very·short.·(Another·advantage·is·that·Dialyzer·can·deduce·a | 184 | are·not·empty·or·very·short.·(Another·advantage·is·that·Dialyzer·can·deduce·a |
| 185 | better·type·for·the·<code·class="inline">Xs</code>·variable.)</p><h2·id="function-calls"·class="section-heading"> | 185 | better·type·for·the·<code·class="inline">Xs</code>·variable.)</p><h2·id="function-calls"·class="section-heading"> |
| 186 | ··<a·href="#function-calls"·class="hover-link"> | 186 | ··<a·href="#function-calls"·class="hover-link"> |
| 187 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 187 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 188 | ··</a> | 188 | ··</a> |
| Offset 250, 15 lines modified | Offset 250, 15 lines modified | ||
| 250 | ······<p·class="built-using"> | 250 | ······<p·class="built-using"> |
| 251 | ········Built·using | 251 | ········Built·using |
| 252 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 252 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 253 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 253 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 254 | ······</p> | 254 | ······</p> |
| 255 | <p>Copyright·©·1996-202 | 255 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 256 | ····</footer> | 256 | ····</footer> |
| 257 | ··</div> | 257 | ··</div> |
| 258 | </main> | 258 | </main> |
| 259 | </div> | 259 | </div> |
| 260 | <script> | 260 | <script> |
| 261 | ··function·mermaidLoaded()·{ | 261 | ··function·mermaidLoaded()·{ |
| 262 | ····mermaid.initialize({ | 262 | ····mermaid.initialize({ |
| Offset 119, 45 lines modified | Offset 119, 45 lines modified | ||
| 119 | ··<a·href="#creating-an-erlang-process"·class="hover-link"> | 119 | ··<a·href="#creating-an-erlang-process"·class="hover-link"> |
| 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 121 | ··</a> | 121 | ··</a> |
| 122 | ··<span·class="text">Creating·an·Erlang·Process</span> | 122 | ··<span·class="text">Creating·an·Erlang·Process</span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>An·Erlang·process·is·lightweight·compared·to·threads·and·processes·in·operating | 124 | <p>An·Erlang·process·is·lightweight·compared·to·threads·and·processes·in·operating |
| 125 | systems.</p><p>A·newly·spawned·Erlang·process·uses·327·words·of·memory.·The·size·can·be·found | 125 | systems.</p><p>A·newly·spawned·Erlang·process·uses·327·words·of·memory.·The·size·can·be·found |
| 126 | as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id=" | 126 | as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id="2271013172-1">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">14.2</span><span·class="p">.</span><span·class="mi">3</span><span·class="p"·data-group-id="2271013172-1">]</span><span·class="w">·</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·1122,·SHA:·b8d0b672915df39ba0dceb10be2f99be48a569f1d72113aaa6df9ab771bdc17c·...·]-6">]</span><span·class="w"> |
| 127 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V14</span><span·class="p">.</span><span·class="mf">2.3</span><span·class="w">·</span><span·class="p"·data-group-id=" | 127 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V14</span><span·class="p">.</span><span·class="mf">2.3</span><span·class="w">·</span><span·class="p"·data-group-id="2271013172-7">(</span><span·class="ss">press</span><span·class="w">·</span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">G</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">abort</span><sp[·...·truncated·by·diffoscope;·len:·399,·SHA:·55be07c55a74c11b224c1caeb8bd2cd8ea257ba4ebbf0257c530486834968a8c·...·]-7">)</span><span·class="gp·unselectable"> |
| 128 | 1>·</span><span·class="n">Fun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 128 | 1>·</span><span·class="n">Fun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="2271013172-9">(</span><span·class="p"·data-group-id="2271013172-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="k">receive</span><span·class="w">·</span><span·class="k">after</span><span·class="w">·</span><span·class="ss">infinity</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="k">end</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 129 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="p">.</span><span·class="mf">43.39164016</span><span·class="o">></span><span·class="gp·unselectable"> | 129 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="p">.</span><span·class="mf">43.39164016</span><span·class="o">></span><span·class="gp·unselectable"> |
| 130 | 2>·</span><span·class="p"·data-group-id=" | 130 | 2>·</span><span·class="p"·data-group-id="2271013172-10">{</span><span·class="p">_</span><span·class="p">,</span><span·class="n">Bytes</span><span·class="p"·data-group-id="2271013172-10">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">process_info</[·...·truncated·by·diffoscope;·len:·341,·SHA:·f3b4e591cf68dc2a26a1f8539d2ad75dd00c8d8521d1e8edfe4ad9675f244066·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 131 | </span><span·class="p"·data-group-id=" | 131 | </span><span·class="p"·data-group-id="2271013172-13">{</span><span·class="nb">memory</span><span·class="p">,</span><span·class="mi">2616</span><span·class="p"·data-group-id="2271013172-13">}</span><span·class="gp·unselectable"> |
| 132 | 3>·</span><span·class="n">Bytes</span><span·class="w">·</span><span·class="ow">div</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id=" | 132 | 3>·</span><span·class="n">Bytes</span><span·class="w">·</span><span·class="ow">div</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="2271013172-14">(</span><span·class="ss">wordsize</span><span·class="p"·data-group-id="2271013172-14">)</span><span·class="p">.</span><span·class="w"> |
| 133 | </span><span·class="mi">327</span></code></pre><p>The·size·includes·233·words·for·the·heap·area·(which·includes·the·stack).·The | 133 | </span><span·class="mi">327</span></code></pre><p>The·size·includes·233·words·for·the·heap·area·(which·includes·the·stack).·The |
| 134 | garbage·collector·increases·the·heap·as·needed.</p><p>The·main·(outer)·loop·for·a·process·<em>must</em>·be·tail-recursive.·Otherwise,·the | 134 | garbage·collector·increases·the·heap·as·needed.</p><p>The·main·(outer)·loop·for·a·process·<em>must</em>·be·tail-recursive.·Otherwise,·the |
| 135 | stack·grows·until·the·process·terminates.</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id="4 | 135 | stack·grows·until·the·process·terminates.</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id="6410365317-1">(</span><span·class="p"·data-group-id="6410365317-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 136 | ··</span><span·class="k">receive</span><span·class="w"> | 136 | ··</span><span·class="k">receive</span><span·class="w"> |
| 137 | ·····</span><span·class="p"·data-group-id="4 | 137 | ·····</span><span·class="p"·data-group-id="6410365317-2">{</span><span·class="ss">sys</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="6410365317-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 138 | ·········</span><span·class="nf">handle_sys_msg</span><span·class="p"·data-group-id="4 | 138 | ·········</span><span·class="nf">handle_sys_msg</span><span·class="p"·data-group-id="6410365317-3">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="6410365317-3">)</span><span·class="p">,</span><span·class="w"> |
| 139 | ·········</span><span·class="nf">loop</span><span·class="p"·data-group-id="4 | 139 | ·········</span><span·class="nf">loop</span><span·class="p"·data-group-id="6410365317-4">(</span><span·class="p"·data-group-id="6410365317-4">)</span><span·class="p">;</span><span·class="w"> |
| 140 | ·····</span><span·class="p"·data-group-id="4 | 140 | ·····</span><span·class="p"·data-group-id="6410365317-5">{</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="6410365317-5">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 141 | ··········</span><span·class="n">Reply</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">handle_msg</span><span·class="p"·data-group-id="4 | 141 | ··········</span><span·class="n">Reply</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">handle_msg</span><span·class="p"·data-group-id="6410365317-6">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="6410365317-6">)</span><span·class="p">,</span><span·class="w"> |
| 142 | ··········</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="n">Reply</span><span·class="p">,</span><span·class="w"> | 142 | ··········</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="n">Reply</span><span·class="p">,</span><span·class="w"> |
| 143 | ··········</span><span·class="nf">loop</span><span·class="p"·data-group-id="4 | 143 | ··········</span><span·class="nf">loop</span><span·class="p"·data-group-id="6410365317-7">(</span><span·class="p"·data-group-id="6410365317-7">)</span><span·class="w"> |
| 144 | ··</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 144 | ··</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 145 | ··</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="4 | 145 | ··</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6410365317-8">(</span><span·class="s">"Message·is·processed</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6410365317-9">[</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·65,·SHA:·bdfdabeef962a81caa9e94dcafe65a3fa42a9ce8c0a0a029b93c4b38e744ee45·...·]-8">)</span><span·class="p">.</span></code></pre><p>The·call·to·<a·href="../../lib/stdlib-6.2.1/doc/html/io.html#format/2"><code·class="inline">io:format/2</code></a>·will·never·be·executed,·but·a·return·address·will |
| 146 | still·be·pushed·to·the·stack·each·time·<code·class="inline">loop/0</code>·is·called·recursively.·The | 146 | still·be·pushed·to·the·stack·each·time·<code·class="inline">loop/0</code>·is·called·recursively.·The |
| 147 | correct·tail-recursive·version·of·the·function·looks·as·follows:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id=" | 147 | correct·tail-recursive·version·of·the·function·looks·as·follows:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id="7519353301-1">(</span><span·class="p"·data-group-id="7519353301-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 148 | ···</span><span·class="k">receive</span><span·class="w"> | 148 | ···</span><span·class="k">receive</span><span·class="w"> |
| 149 | ······</span><span·class="p"·data-group-id=" | 149 | ······</span><span·class="p"·data-group-id="7519353301-2">{</span><span·class="ss">sys</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="7519353301-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 150 | ·········</span><span·class="nf">handle_sys_msg</span><span·class="p"·data-group-id=" | 150 | ·········</span><span·class="nf">handle_sys_msg</span><span·class="p"·data-group-id="7519353301-3">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="7519353301-3">)</span><span·class="p">,</span><span·class="w"> |
| 151 | ·········</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 151 | ·········</span><span·class="nf">loop</span><span·class="p"·data-group-id="7519353301-4">(</span><span·class="p"·data-group-id="7519353301-4">)</span><span·class="p">;</span><span·class="w"> |
| 152 | ······</span><span·class="p"·data-group-id=" | 152 | ······</span><span·class="p"·data-group-id="7519353301-5">{</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="7519353301-5">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 153 | ·········</span><span·class="n">Reply</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">handle_msg</span><span·class="p"·data-group-id=" | 153 | ·········</span><span·class="n">Reply</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">handle_msg</span><span·class="p"·data-group-id="7519353301-6">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="7519353301-6">)</span><span·class="p">,</span><span·class="w"> |
| 154 | ·········</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="n">Reply</span><span·class="p">,</span><span·class="w"> | 154 | ·········</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="n">Reply</span><span·class="p">,</span><span·class="w"> |
| 155 | ·········</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 155 | ·········</span><span·class="nf">loop</span><span·class="p"·data-group-id="7519353301-7">(</span><span·class="p"·data-group-id="7519353301-7">)</span><span·class="w"> |
| 156 | ·</span><span·class="k">end</span><span·class="p">.</span></code></pre><h3·id="initial-heap-size"·class="section-heading"> | 156 | ·</span><span·class="k">end</span><span·class="p">.</span></code></pre><h3·id="initial-heap-size"·class="section-heading"> |
| 157 | ··<a·href="#initial-heap-size"·class="hover-link"> | 157 | ··<a·href="#initial-heap-size"·class="hover-link"> |
| 158 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 158 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 159 | ··</a> | 159 | ··</a> |
| 160 | ··<span·class="text">Initial·Heap·Size</span> | 160 | ··<span·class="text">Initial·Heap·Size</span> |
| 161 | </h3> | 161 | </h3> |
| 162 | <p>The·default·initial·heap·size·of·233·words·is·quite·conservative·to·support | 162 | <p>The·default·initial·heap·size·of·233·words·is·quite·conservative·to·support |
| Offset 189, 30 lines modified | Offset 189, 30 lines modified | ||
| 189 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 189 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 190 | ··</a> | 190 | ··</a> |
| 191 | ··<span·class="text">Receiving·messages</span> | 191 | ··<span·class="text">Receiving·messages</span> |
| 192 | </h2> | 192 | </h2> |
| 193 | <p>The·cost·of·receiving·messages·depends·on·how·complicated·the·<code·class="inline">receive</code> | 193 | <p>The·cost·of·receiving·messages·depends·on·how·complicated·the·<code·class="inline">receive</code> |
| 194 | expression·is.·A·simple·expression·that·matches·any·message·is·very·cheap | 194 | expression·is.·A·simple·expression·that·matches·any·message·is·very·cheap |
| 195 | because·it·retrieves·the·first·message·in·the·message·queue:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">receive</span><span·class="w"> | 195 | because·it·retrieves·the·first·message·in·the·message·queue:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">receive</span><span·class="w"> |
| 196 | ····</span><span·class="n">Message</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">handle_msg</span><span·class="p"·data-group-id=" | 196 | ····</span><span·class="n">Message</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">handle_msg</span><span·class="p"·data-group-id="1591988728-1">(</span><span·class="n">Message</span><span·class="p"·data-group-id="1591988728-1">)</span><span·class="w"> |
| 197 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>However,·this·is·not·always·convenient:·we·can·receive·a·message·that·we·do·not | 197 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>However,·this·is·not·always·convenient:·we·can·receive·a·message·that·we·do·not |
| 198 | know·how·to·handle·at·this·point,·so·it·is·common·to·only·match·the·messages·we | 198 | know·how·to·handle·at·this·point,·so·it·is·common·to·only·match·the·messages·we |
| 199 | expect:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">receive</span><span·class="w"> | 199 | expect:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">receive</span><span·class="w"> |
| 200 | ····</span><span·class="p"·data-group-id=" | 200 | ····</span><span·class="p"·data-group-id="6761107687-1">{</span><span·class="n">Tag</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Message</span><span·class="p"·data-group-id="6761107687-1">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·157,·SHA:·a484ef0e9c15696513b419288006c971a0102413d7fd17f920d5411ec241ea5f·...·]-2">)</span><span·class="w"> |
| 201 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>While·this·is·convenient·it·means·that·the·entire·message·queue·must·be·searched | 201 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>While·this·is·convenient·it·means·that·the·entire·message·queue·must·be·searched |
| 202 | until·it·finds·a·matching·message.·This·is·very·expensive·for·processes·with | 202 | until·it·finds·a·matching·message.·This·is·very·expensive·for·processes·with |
| 203 | long·message·queues,·so·there·is·an·optimization·for·the·common·case·of | 203 | long·message·queues,·so·there·is·an·optimization·for·the·common·case·of |
| 204 | sending·a·request·and·waiting·for·a·response·shortly·after:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">MRef</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">monitor</span><span·class="p"·data-group-id=" | 204 | sending·a·request·and·waiting·for·a·response·shortly·after:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">MRef</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">monitor</span><span·class="p"·data-group-id="0425226628-1">(</span><span·class="ss">process</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Process</span><span·class="p"·data-group-id="0425226628-1">)</span><span·class="p">,</span><span·class="w"> |
| 205 | </span><span·class="n">Process</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 205 | </span><span·class="n">Process</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="0425226628-2">{</span><span·class="nf">self</span><span·class="p"·data-group-id="0425226628-3">(</span><span·class="p"·data-group-id="0425226628-3">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MRef</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·94,·SHA:·7371a8e0be25c5aa26d0fd4a6532d61858fc95787e2b9de4b3adbf96c6b45cd5·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 206 | </span><span·class="k">receive</span><span·class="w"> | 206 | </span><span·class="k">receive</span><span·class="w"> |
| 207 | ····</span><span·class="p"·data-group-id=" | 207 | ····</span><span·class="p"·data-group-id="0425226628-4">{</span><span·class="n">MRef</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reply</span><span·class="p"·data-group-id="0425226628-4">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 208 | ········</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id=" | 208 | ········</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id="0425226628-5">(</span><span·class="n">MRef</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0425226628-6">[</span><span·class="ss">flush</span><span·class="p"·data-group-id="0425226628-6">]</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·17,·SHA:·c98cce4bc4432baf26128221ffefe94cb942d29d0a134da93a77803a14047da7·...·]-5">)</span><span·class="p">,</span><span·class="w"> |
| 209 | ········</span><span·class="nf">handle_reply</span><span·class="p"·data-group-id=" | 209 | ········</span><span·class="nf">handle_reply</span><span·class="p"·data-group-id="0425226628-7">(</span><span·class="n">Reply</span><span·class="p"·data-group-id="0425226628-7">)</span><span·class="p">;</span><span·class="w"> |
| 210 | ····</span><span·class="p"·data-group-id=" | 210 | ····</span><span·class="p"·data-group-id="0425226628-8">{</span><span·class="ss">'DOWN'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MRef</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·141,·SHA:·0497b11118259a8037de25c63277a790486205e1a8906683599aa587baebc6c8·...·]-8">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 211 | ········</span><span·class="nf">handle_error</span><span·class="p"·data-group-id=" | 211 | ········</span><span·class="nf">handle_error</span><span·class="p"·data-group-id="0425226628-9">(</span><span·class="n">Reason</span><span·class="p"·data-group-id="0425226628-9">)</span><span·class="w"> |
| 212 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Since·the·compiler·knows·that·the·reference·created·by | 212 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Since·the·compiler·knows·that·the·reference·created·by |
| 213 | <a·href="../../erts-15.2.3/doc/html/erlang.html#monitor/2"><code·class="inline">monitor/2</code></a>·cannot·exist·before·the·call·(since·it·is·a·globally | 213 | <a·href="../../erts-15.2.3/doc/html/erlang.html#monitor/2"><code·class="inline">monitor/2</code></a>·cannot·exist·before·the·call·(since·it·is·a·globally |
| 214 | unique·identifier),·and·that·the·<code·class="inline">receive</code>·only·matches·messages·that·contain | 214 | unique·identifier),·and·that·the·<code·class="inline">receive</code>·only·matches·messages·that·contain |
| 215 | said·reference,·it·will·tell·the·emulator·to·search·only·the·messages·that | 215 | said·reference,·it·will·tell·the·emulator·to·search·only·the·messages·that |
| 216 | arrived·after·the·call·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#monitor/2"><code·class="inline">monitor/2</code></a>.</p><p>The·above·is·a·simple·example·where·one·is·but·guaranteed·that·the·optimization | 216 | arrived·after·the·call·to·<a·href="../../erts-15.2.3/doc/html/erlang.html#monitor/2"><code·class="inline">monitor/2</code></a>.</p><p>The·above·is·a·simple·example·where·one·is·but·guaranteed·that·the·optimization |
| 217 | will·take,·but·what·about·more·complicated·code?</p><p><a·href=""·id="recv_opt_info"></a></p><h3·id="option-recv_opt_info"·class="section-heading"> | 217 | will·take,·but·what·about·more·complicated·code?</p><p><a·href=""·id="recv_opt_info"></a></p><h3·id="option-recv_opt_info"·class="section-heading"> |
| 218 | ··<a·href="#option-recv_opt_info"·class="hover-link"> | 218 | ··<a·href="#option-recv_opt_info"·class="hover-link"> |
| Offset 228, 101 lines modified | Offset 228, 101 lines modified | ||
| 228 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">200</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">NOT</span><span·class="w">·</span><span·class="n">OPTIMIZED</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">all</span><span·class="w">·</span><span·class="ss">clauses</span><span·class="w">·</span><span·class="ss">do</span><span·class="w">·</span><span·class="ow">not</span><span·class="w">·</span><span·class="ss">match</span><span·class="w">·</span><span·class="ss">a</span><span·class="w">·</span><span·class="ss">suitable</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w"> | 228 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">200</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">NOT</span><span·class="w">·</span><span·class="n">OPTIMIZED</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">all</span><span·class="w">·</span><span·class="ss">clauses</span><span·class="w">·</span><span·class="ss">do</span><span·class="w">·</span><span·class="ow">not</span><span·class="w">·</span><span·class="ss">match</span><span·class="w">·</span><span·class="ss">a</span><span·class="w">·</span><span·class="ss">suitable</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w"> |
| 229 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">206</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">OPTIMIZED</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w">·</span><span·class="ss">used</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">mark</span><span·class="w">·</span><span·class="ss">a</span><span·class="w">·</span><span·class="ss">message</span><span·class="w">·</span><span·class="ss">queue</span><span·class="w">·</span><span·class="ss">position</span><span·class="w"> | 229 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">206</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">OPTIMIZED</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w">·</span><span·class="ss">used</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">mark</span><span·class="w">·</span><span·class="ss">a</span><span·class="w">·</span><span·class="ss">message</span><span·class="w">·</span><span·class="ss">queue</span><span·class="w">·</span><span·class="ss">position</span><span·class="w"> |
| 230 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">208</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">OPTIMIZED</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">all</span><span·class="w">·</span><span·class="ss">clauses</span><span·class="w">·</span><span·class="ss">match</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w">·</span><span·class="ss">created</span><span·class="w">·</span><span·class="ss">by</span><span·class="w">·</span><span·class="nb">monitor</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·</span><span·class="ss">at</span><span·class="w">·</span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">206</span><span·class="w"> | 230 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">208</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">OPTIMIZED</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">all</span><span·class="w">·</span><span·class="ss">clauses</span><span·class="w">·</span><span·class="ss">match</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w">·</span><span·class="ss">created</span><span·class="w">·</span><span·class="ss">by</span><span·class="w">·</span><span·class="nb">monitor</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·</span><span·class="ss">at</span><span·class="w">·</span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">206</span><span·class="w"> |
| 231 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">219</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">INFO</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">passing</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w">·</span><span·class="ss">created</span><span·class="w">·</span><span·class="ss">by</span><span·class="w">·</span><span·class="ss">make_ref</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">at</span><span·class="w">·</span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">218</span><span·class="w"> | 231 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">219</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">INFO</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">passing</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w">·</span><span·class="ss">created</span><span·class="w">·</span><span·class="ss">by</span><span·class="w">·</span><span·class="ss">make_ref</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">at</span><span·class="w">·</span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">218</span><span·class="w"> |
| 232 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">222</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">OPTIMIZED</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">all</span><span·class="w">·</span><span·class="ss">clauses</span><span·class="w">·</span><span·class="ss">match</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="ss">parameter</span><span·class="w">·</span><span·class="mi">1</span></code></pre><p>To·make·it·clearer·exactly·what·code·the·warnings·refer·to,·the·warnings·in·the | 232 | </span><span·class="ss">efficiency_guide</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">222</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="n">OPTIMIZED</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">all</span><span·class="w">·</span><span·class="ss">clauses</span><span·class="w">·</span><span·class="ss">match</span><span·class="w">·</span><span·class="ss">reference</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="ss">parameter</span><span·class="w">·</span><span·class="mi">1</span></code></pre><p>To·make·it·clearer·exactly·what·code·the·warnings·refer·to,·the·warnings·in·the |
| 233 | following·examples·are·inserted·as·comments·after·the·clause·they·refer·to,·for | 233 | following·examples·are·inserted·as·comments·after·the·clause·they·refer·to,·for |
| 234 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·DO</span><span·class="w"> | 234 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·DO</span><span·class="w"> |
| 235 | </span><span·class="nf">simple_receive</span><span·class="p"·data-group-id=" | 235 | </span><span·class="nf">simple_receive</span><span·class="p"·data-group-id="1334612568-1">(</span><span·class="p"·data-group-id="1334612568-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 236 | </span><span·class="c1">%%·efficiency_guide.erl:194:·Warning:·INFO:·not·a·selective·receive,·this·is·always·fast</span><span·class="w"> | 236 | </span><span·class="c1">%%·efficiency_guide.erl:194:·Warning:·INFO:·not·a·selective·receive,·this·is·always·fast</span><span·class="w"> |
| 237 | </span><span·class="k">receive</span><span·class="w"> | 237 | </span><span·class="k">receive</span><span·class="w"> |
| 238 | ····</span><span·class="n">Message</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">handle_msg</span><span·class="p"·data-group-id=" | 238 | ····</span><span·class="n">Message</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">handle_msg</span><span·class="p"·data-group-id="1334612568-2">(</span><span·class="n">Message</span><span·class="p"·data-group-id="1334612568-2">)</span><span·class="w"> |
| 239 | </span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 239 | </span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 240 | </span><span·class="c1">%%·DO·NOT,·unless·Tag·is·known·to·be·a·suitable·reference:·see</span><span·class="w"> | 240 | </span><span·class="c1">%%·DO·NOT,·unless·Tag·is·known·to·be·a·suitable·reference:·see</span><span·class="w"> |
| 241 | </span><span·class="c1">%%·cross_function_receive/0·further·down.</span><span·class="w"> | 241 | </span><span·class="c1">%%·cross_function_receive/0·further·down.</span><span·class="w"> |
| 242 | </span><span·class="nf">selective_receive</span><span·class="p"·data-group-id=" | 242 | </span><span·class="nf">selective_receive</span><span·class="p"·data-group-id="1334612568-3">(</span><span·class="n">Tag</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Message</span><span·class="p"·data-group-id="1334612568-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 243 | </span><span·class="c1">%%·efficiency_guide.erl:200:·Warning:·NOT·OPTIMIZED:·all·clauses·do·not·match·a·suitable·reference</span><span·class="w"> | 243 | </span><span·class="c1">%%·efficiency_guide.erl:200:·Warning:·NOT·OPTIMIZED:·all·clauses·do·not·match·a·suitable·reference</span><span·class="w"> |
| 244 | </span><span·class="k">receive</span><span·class="w"> | 244 | </span><span·class="k">receive</span><span·class="w"> |
| 245 | ····</span><span·class="p"·data-group-id=" | 245 | ····</span><span·class="p"·data-group-id="1334612568-4">{</span><span·class="n">Tag</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Message</span><span·class="p"·data-group-id="1334612568-4">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·156,·SHA:·9bfbf3833e25f7cd04c0179edd5b942da1a24de6e982a0031a6d921c3835ce56·...·]8-5">)</span><span·class="w"> |
| 246 | </span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 246 | </span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 247 | </span><span·class="c1">%%·DO</span><span·class="w"> | 247 | </span><span·class="c1">%%·DO</span><span·class="w"> |
| 248 | </span><span·class="nf">optimized_receive</span><span·class="p"·data-group-id=" | 248 | </span><span·class="nf">optimized_receive</span><span·class="p"·data-group-id="1334612568-6">(</span><span·class="n">Process</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Request</span><span·class="p"·data-group-id="1334612568-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 249 | </span><span·class="c1">%%·efficiency_guide.erl:206:·Warning:·OPTIMIZED:·reference·used·to·mark·a·message·queue·position</span><span·class="w"> | 249 | </span><span·class="c1">%%·efficiency_guide.erl:206:·Warning:·OPTIMIZED:·reference·used·to·mark·a·message·queue·position</span><span·class="w"> |
| 250 | ····</span><span·class="n">MRef</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">monitor</span><span·class="p"·data-group-id=" | 250 | ····</span><span·class="n">MRef</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">monitor</span><span·class="p"·data-group-id="1334612568-7">(</span><span·class="ss">process</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Process</span><span·class="p"·data-group-id="1334612568-7">)</span><span·class="p">,</span><span·class="w"> |
| 251 | ····</span><span·class="n">Process</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 251 | ····</span><span·class="n">Process</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="1334612568-8">{</span><span·class="nf">self</span><span·class="p"·data-group-id="1334612568-9">(</span><span·class="p"·data-group-id="1334612568-9">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MRef</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·93,·SHA:·3e7949e06ff7c0f1c60750418692ede3558e216bd52a3e743fb3b42570387d9c·...·]8-8">}</span><span·class="p">,</span><span·class="w"> |
| 252 | ····</span><span·class="c1">%%·efficiency_guide.erl:208:·Warning:·OPTIMIZED:·matches·reference·created·by·monitor/2·at·efficiency_guide.erl:206</span><span·class="w"> | 252 | ····</span><span·class="c1">%%·efficiency_guide.erl:208:·Warning:·OPTIMIZED:·matches·reference·created·by·monitor/2·at·efficiency_guide.erl:206</span><span·class="w"> |
| 253 | ····</span><span·class="k">receive</span><span·class="w"> | 253 | ····</span><span·class="k">receive</span><span·class="w"> |
| 254 | ········</span><span·class="p"·data-group-id=" | 254 | ········</span><span·class="p"·data-group-id="1334612568-10">{</span><span·class="n">MRef</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reply</span><span·class="p"·data-group-id="1334612568-10">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 255 | ········</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id=" | 255 | ········</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id="1334612568-11">(</span><span·class="n">MRef</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1334612568-12">[</span><span·class="ss">flush</span><span·class="p"·data-group-id="1334612568-12">]</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·19,·SHA:·71f91e4e808e24514ab4c4cee6f10c1db16bb3044d94920300815fb9e7f2b664·...·]8-11">)</span><span·class="p">,</span><span·class="w"> |
| 256 | ········</span><span·class="nf">handle_reply</span><span·class="p"·data-group-id=" | 256 | ········</span><span·class="nf">handle_reply</span><span·class="p"·data-group-id="1334612568-13">(</span><span·class="n">Reply</span><span·class="p"·data-group-id="1334612568-13">)</span><span·class="p">;</span><span·class="w"> |
| 257 | ····</span><span·class="p"·data-group-id=" | 257 | ····</span><span·class="p"·data-group-id="1334612568-14">{</span><span·class="ss">'DOWN'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MRef</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·141,·SHA:·c9762638c70d5b51f42ece49059a9840c2d3d4ab2fad3a86e8a8f30a9e60ed0b·...·]8-14">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 258 | ····</span><span·class="nf">handle_error</span><span·class="p"·data-group-id=" | 258 | ····</span><span·class="nf">handle_error</span><span·class="p"·data-group-id="1334612568-15">(</span><span·class="n">Reason</span><span·class="p"·data-group-id="1334612568-15">)</span><span·class="w"> |
| 259 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 259 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 260 | </span><span·class="c1">%%·DO</span><span·class="w"> | 260 | </span><span·class="c1">%%·DO</span><span·class="w"> |
| 261 | </span><span·class="nf">cross_function_receive</span><span·class="p"·data-group-id=" | 261 | </span><span·class="nf">cross_function_receive</span><span·class="p"·data-group-id="1334612568-16">(</span><span·class="p"·data-group-id="1334612568-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 262 | ····</span><span·class="c1">%%·efficiency_guide.erl:218:·Warning:·OPTIMIZED:·reference·used·to·mark·a·message·queue·position</span><span·class="w"> | 262 | ····</span><span·class="c1">%%·efficiency_guide.erl:218:·Warning:·OPTIMIZED:·reference·used·to·mark·a·message·queue·position</span><span·class="w"> |
| 263 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">make_ref</span><span·class="p"·data-group-id=" | 263 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">make_ref</span><span·class="p"·data-group-id="1334612568-17">(</span><span·class="p"·data-group-id="1334612568-17">)</span><span·class="p">,</span><span·class="w"> |
| 264 | ····</span><span·class="c1">%%·efficiency_guide.erl:219:·Warning:·INFO:·passing·reference·created·by·make_ref/0·at·efficiency_guide.erl:218</span><span·class="w"> | 264 | ····</span><span·class="c1">%%·efficiency_guide.erl:219:·Warning:·INFO:·passing·reference·created·by·make_ref/0·at·efficiency_guide.erl:218</span><span·class="w"> |
| 265 | ····</span><span·class="nf">cross_function_receive</span><span·class="p"·data-group-id=" | 265 | ····</span><span·class="nf">cross_function_receive</span><span·class="p"·data-group-id="1334612568-18">(</span><span·class="n">Ref</span><span·class="p"·data-group-id="1334612568-18">)</span><span·class="p">.</span><span·class="w"> |
| 266 | </span><span·class="nf">cross_function_receive</span><span·class="p"·data-group-id=" | 266 | </span><span·class="nf">cross_function_receive</span><span·class="p"·data-group-id="1334612568-19">(</span><span·class="n">Ref</span><span·class="p"·data-group-id="1334612568-19">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 267 | ····</span><span·class="c1">%%·efficiency_guide.erl:222:·Warning:·OPTIMIZED:·all·clauses·match·reference·in·function·parameter·1</span><span·class="w"> | 267 | ····</span><span·class="c1">%%·efficiency_guide.erl:222:·Warning:·OPTIMIZED:·all·clauses·match·reference·in·function·parameter·1</span><span·class="w"> |
| 268 | ····</span><span·class="k">receive</span><span·class="w"> | 268 | ····</span><span·class="k">receive</span><span·class="w"> |
| 269 | ········</span><span·class="p"·data-group-id=" | 269 | ········</span><span·class="p"·data-group-id="1334612568-20">{</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Message</span><span·class="p"·data-group-id="1334612568-20">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·159,·SHA:·31b4882995c0d1f2d5c5b9273783c2d2e2f332d86d34fc2276fd383395c887a8·...·]8-21">)</span><span·class="w"> |
| 270 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><h2·id="literal-pool"·class="section-heading"> | 270 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><h2·id="literal-pool"·class="section-heading"> |
| 271 | ··<a·href="#literal-pool"·class="hover-link"> | 271 | ··<a·href="#literal-pool"·class="hover-link"> |
| 272 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 272 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 273 | ··</a> | 273 | ··</a> |
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| Offset 185, 15 lines modified | Offset 185, 15 lines modified | ||
| 185 | ······<p·class="built-using"> | 185 | ······<p·class="built-using"> |
| 186 | ········Built·using | 186 | ········Built·using |
| 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 189 | ······</p> | 189 | ······</p> |
| 190 | <p>Copyright·©·1996-202 | 190 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 191 | ····</footer> | 191 | ····</footer> |
| 192 | ··</div> | 192 | ··</div> |
| 193 | </main> | 193 | </main> |
| 194 | </div> | 194 | </div> |
| 195 | <script> | 195 | <script> |
| 196 | ··function·mermaidLoaded()·{ | 196 | ··function·mermaidLoaded()·{ |
| 197 | ····mermaid.initialize({ | 197 | ····mermaid.initialize({ |
| Offset 398, 15 lines modified | Offset 398, 15 lines modified | ||
| 398 | ······<p·class="built-using"> | 398 | ······<p·class="built-using"> |
| 399 | ········Built·using | 399 | ········Built·using |
| 400 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 400 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 401 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 401 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 402 | ······</p> | 402 | ······</p> |
| 403 | <p>Copyright·©·1996-202 | 403 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 404 | ····</footer> | 404 | ····</footer> |
| 405 | ··</div> | 405 | ··</div> |
| 406 | </main> | 406 | </main> |
| 407 | </div> | 407 | </div> |
| 408 | <script> | 408 | <script> |
| 409 | ··function·mermaidLoaded()·{ | 409 | ··function·mermaidLoaded()·{ |
| 410 | ····mermaid.initialize({ | 410 | ····mermaid.initialize({ |
| Offset 120, 119 lines modified | Offset 120, 119 lines modified | ||
| 120 | to·read·the·port·example·in·<a·href="c_port.html">Ports</a>·before·reading·this·section.</p><h2·id="erlang-program"·class="section-heading"> | 120 | to·read·the·port·example·in·<a·href="c_port.html">Ports</a>·before·reading·this·section.</p><h2·id="erlang-program"·class="section-heading"> |
| 121 | ··<a·href="#erlang-program"·class="hover-link"> | 121 | ··<a·href="#erlang-program"·class="hover-link"> |
| 122 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 122 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 123 | ··</a> | 123 | ··</a> |
| 124 | ··<span·class="text">Erlang·Program</span> | 124 | ··<span·class="text">Erlang·Program</span> |
| 125 | </h2> | 125 | </h2> |
| 126 | <p>The·following·example·shows·an·Erlang·program·communicating·with·a·C·program | 126 | <p>The·following·example·shows·an·Erlang·program·communicating·with·a·C·program |
| 127 | over·a·plain·port·with·home·made·encoding:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 127 | over·a·plain·port·with·home·made·encoding:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="9093882874-1">(</span><span·class="ss">complex1</span><span·class="p"·data-group-id="9093882874-1">)</span><span·class="p">.</span><span·class="w"> |
| 128 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 128 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="9093882874-2">(</span><span·class="p"·data-group-id="9093882874-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·241,·SHA:·3e5610a386b18d448d4a9fd7da748cdc07642a253cfb42261937f28ccea39095·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 129 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 129 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="9093882874-4">(</span><span·class="p"·data-group-id="9093882874-5">[</span><span·class="ss">foo</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bar</span><span·class="p">/</span><span·[·...·truncated·by·diffoscope;·len:·113,·SHA:·1907ed47957d7b45e5c94d50433bea0ac57bf147446dabc79aa908d0b18b6430·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 130 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 130 | </span><span·class="nf">start</span><span·class="p"·data-group-id="9093882874-6">(</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="9093882874-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 131 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 131 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="9093882874-7">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9093882874-8">[</span><spa[·...·truncated·by·diffoscope;·len:·119,·SHA:·317f9196c3d44c54ed7739100445a12229e8ceb85d050e13b33180205dee94f2·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 132 | </span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 132 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="9093882874-9">(</span><span·class="p"·data-group-id="9093882874-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 133 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">.</span><span·class="w"> | 133 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 134 | </span><span·class="nf">foo</span><span·class="p"·data-group-id="9093882874-10">(</span><span·class="n">X</span><span·class="p"·data-group-id="9093882874-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 135 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 135 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="9093882874-11">(</span><span·class="p"·data-group-id="9093882874-12">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="9093882874-12">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·a8ae2c29ae62859b27f479b2eb481e47b1423c553ece9a864f26de4023ade611·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 136 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 136 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="9093882874-13">(</span><span·class="n">Y</span><span·class="p"·data-group-id="9093882874-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 137 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 137 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="9093882874-14">(</span><span·class="p"·data-group-id="9093882874-15">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="9093882874-15">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·a8ae2c29ae62859b27f479b2eb481e47b1423c553ece9a864f26de4023ade611·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 138 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 138 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id="9093882874-16">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="9093882874-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 139 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 139 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="9093882874-17">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="9093882874-18">(</span><span·class="p"·data-group-id="9093882874-18">)</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·94,·SHA:·b91660f8f8a8db822d54e593e2b3b1cd1b8023b8786c48974153a22c889eb811·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 140 | ····</span><span·class="k">receive</span><span·class="w"> | 140 | ····</span><span·class="k">receive</span><span·class="w"> |
| 141 | » </span><span·class="p"·data-group-id=" | 141 | » </span><span·class="p"·data-group-id="9093882874-19">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</span><span·class="p"·data-group-id="9093882874-19">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 142 | » ····</span><span·class="n">Result</span><span·class="w"> | 142 | » ····</span><span·class="n">Result</span><span·class="w"> |
| 143 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 143 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 144 | </span><span·class="nf">init</span><span·class="p"·data-group-id="9093882874-20">(</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="9093882874-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 145 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 145 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id="9093882874-21">(</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="9093882874-22">(</span><span·class="p"·data-group-id="9093882874-22">)</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·e0a253eb4b0d079b60435eb0207f98b2c7447d86b0ebb7a037bd1f8b47e4a78e·...·]-21">)</span><span·class="p">,</span><span·class="w"> |
| 146 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id=" | 146 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id="9093882874-23">(</span><span·class="ss">trap_exit</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="9093882874-23">)</span><span·class="p">,</span><span·class="w"> |
| 147 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id=" | 147 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="9093882874-24">(</span><span·class="p"·data-group-id="9093882874-25">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="9093882874-25">}</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·389,·SHA:·a158b05938800b788a906323198f0cb7f7c7967cd65d792ee7fdb3e1856acef4·...·]-24">)</span><span·class="p">,</span><span·class="w"> |
| 148 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 148 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="9093882874-28">(</span><span·class="n">Port</span><span·class="p"·data-group-id="9093882874-28">)</span><span·class="p">.</span><span·class="w"> |
| 149 | </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 149 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="9093882874-29">(</span><span·class="n">Port</span><span·class="p"·data-group-id="9093882874-29">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 150 | ····</span><span·class="k">receive</span><span·class="w"> | 150 | ····</span><span·class="k">receive</span><span·class="w"> |
| 151 | » </span><span·class="p"·data-group-id=" | 151 | » </span><span·class="p"·data-group-id="9093882874-30">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Caller</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="9093882874-30">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 152 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 152 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="9093882874-31">{</span><span·class="nf">self</span><span·class="p"·data-group-id="9093882874-32">(</span><span·class="p"·data-group-id="9093882874-32">)</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9093882874-33">{</[·...·truncated·by·diffoscope;·len:·343,·SHA:·a88c5ccb3943fc030da4261004369a9c724a87a73650e4e45e32c56b24145c96·...·]-31">}</span><span·class="p">,</span><span·class="w"> |
| 153 | » ····</span><span·class="k">receive</span><span·class="w"> | 153 | » ····</span><span·class="k">receive</span><span·class="w"> |
| 154 | » » </span><span·class="p"·data-group-id=" | 154 | » » </span><span·class="p"·data-group-id="9093882874-35">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9093882874-36">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><[·...·truncated·by·diffoscope;·len:·94,·SHA:·b7eb218ca9c45313ed774a8f894996d324a32aacfff92df5c9556cfdbf831979·...·]-35">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 155 | » » ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 155 | » » ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="9093882874-37">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">decode</span><span·class="p"·data-group-id="9093882874-38">(</span><span·class="n">Data</span><span·class="p"·data-group-id="9093882874-3[·...·truncated·by·diffoscope;·len:·52,·SHA:·f4198dd118778d8b8d58740668649038963d9b9b99a030bf3c51f70e4ccb0753·...·]-37">}</span><span·class="w"> |
| 156 | » ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 156 | » ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 157 | » ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 157 | » ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="9093882874-39">(</span><span·class="n">Port</span><span·class="p"·data-group-id="9093882874-39">)</span><span·class="p">;</span><span·class="w"> |
| 158 | » </span><span·class="ss">stop</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 158 | » </span><span·class="ss">stop</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 159 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 159 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="9093882874-40">{</span><span·class="nf">self</span><span·class="p"·data-group-id="9093882874-41">(</span><span·class="p"·data-group-id="9093882874-41">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">close</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·f91e45d4723be2910d389b4666d66c0baefdb09cb0435719935c99be71b81907·...·]-40">}</span><span·class="p">,</span><span·class="w"> |
| 160 | » ····</span><span·class="k">receive</span><span·class="w"> | 160 | » ····</span><span·class="k">receive</span><span·class="w"> |
| 161 | » » </span><span·class="p"·data-group-id=" | 161 | » » </span><span·class="p"·data-group-id="9093882874-42">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">closed</span><span·class="p"·data-group-id="9093882874-42">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 162 | » » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 162 | » » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id="9093882874-43">(</span><span·class="ss">normal</span><span·class="p"·data-group-id="9093882874-43">)</span><span·class="w"> |
| 163 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 163 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 164 | » </span><span·class="p"·data-group-id=" | 164 | » </span><span·class="p"·data-group-id="9093882874-44">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="9093882874-44">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 165 | » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 165 | » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id="9093882874-45">(</span><span·class="ss">port_terminated</span><span·class="p"·data-group-id="9093882874-45">)</span><span·class="w"> |
| 166 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 166 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 167 | </span><span·class="nf">encode</span><span·class="p"·data-group-id="9093882874-46">(</span><span·class="p"·data-group-id="9093882874-47">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="9093882874-47">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·296,·SHA:·a9825dca641aed72c907bb1363aefc72e7c0c28768cfb29b93ec010139e27a2d·...·]-48">]</span><span·class="p">;</span><span·class="w"> |
| 168 | </span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 168 | </span><span·class="nf">encode</span><span·class="p"·data-group-id="9093882874-49">(</span><span·class="p"·data-group-id="9093882874-50">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="9093882874-50">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·296,·SHA:·f3c6cfcc7bb1f5a7456c45758ee37562dfe6b713b78f3d53e913361f9a9a1d7d·...·]-51">]</span><span·class="p">.</span><span·class="w"> |
| 169 | </span><span·class="nf">decode</span><span·class="p"·data-group-id=" | 169 | </span><span·class="nf">decode</span><span·class="p"·data-group-id="9093882874-52">(</span><span·class="p"·data-group-id="9093882874-53">[</span><span·class="n">Int</span><span·class="p"·data-group-id="9093882874-53">]</span><span·class="p"·data-group-id="9093882874-52">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Int</span><span·class="p">.</span></code></pre><p>There·are·two·differences·when·using·Erl_Interface·on·the·C·side·compared·to·the |
| 170 | example·in·<a·href="c_port.html">Ports</a>,·using·only·the·plain·port:</p><ul><li>As·Erl_Interface·operates·on·the·Erlang·external·term·format,·the·port·must·be | 170 | example·in·<a·href="c_port.html">Ports</a>,·using·only·the·plain·port:</p><ul><li>As·Erl_Interface·operates·on·the·Erlang·external·term·format,·the·port·must·be |
| 171 | set·to·use·binaries.</li><li>Instead·of·inventing·an·encoding/decoding·scheme,·the | 171 | set·to·use·binaries.</li><li>Instead·of·inventing·an·encoding/decoding·scheme,·the |
| 172 | <a·href="../../erts-15.2.3/doc/html/erlang.html#term_to_binary/1"><code·class="inline">term_to_binary/1</code></a>·and | 172 | <a·href="../../erts-15.2.3/doc/html/erlang.html#term_to_binary/1"><code·class="inline">term_to_binary/1</code></a>·and |
| 173 | <a·href="../../erts-15.2.3/doc/html/erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a>·BIFs·are·to·be·used.</li></ul><p>That·is:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">open_port</span><span·class="p"·data-group-id="93 | 173 | <a·href="../../erts-15.2.3/doc/html/erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a>·BIFs·are·to·be·used.</li></ul><p>That·is:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">open_port</span><span·class="p"·data-group-id="7293234577-1">(</span><span·class="p"·data-group-id="7293234577-2">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="7293234577-2">}</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·2065,·SHA:·e062fa31596080160139f7a8ed604254f4a20816e519e5ed9eacd3b980bd9332·...·]-1">}</span><span·class="p">,</span><span·class="w"> |
| 174 | </span><span·class="k">receive</span><span·class="w"> | 174 | </span><span·class="k">receive</span><span·class="w"> |
| 175 | ··</span><span·class="p"·data-group-id=" | 175 | ··</span><span·class="p"·data-group-id="0397410474-5">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0397410474-6">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><sp[·...·truncated·by·diffoscope;·len:·91,·SHA:·6eedf657446003debd4f0f8f65f3f3dfef13e855aee89a5e1d50198f2f138bda·...·]-5">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 176 | ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 176 | ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="0397410474-7">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">decode</span><span·class="p"·data-group-id="0397410474-8">(</span><span·class="n">Data</span><span·class="p"·data-group-id="0397410474-8">[·...·truncated·by·diffoscope;·len:·49,·SHA:·6238a108b2a9a380da078b07db4b3ed5a377ed3b22301e93f6d79779c892a33e·...·]-7">}</span><span·class="w"> |
| 177 | </span><span·class="k">end</span></code></pre><p>is·replaced·with:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 177 | </span><span·class="k">end</span></code></pre><p>is·replaced·with:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="1060905842-1">{</span><span·class="nf">self</span><span·class="p"·data-group-id="1060905842-2">(</span><span·class="p"·data-group-id="1060905842-2">)</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1060905842-3">{</span[·...·truncated·by·diffoscope;·len:·344,·SHA:·fa5eb075ecc36fa916c779a65f7afbc2c1824c368b5fa9cf70acd018ab8a783a·...·]-1">}</span><span·class="p">,</span><span·class="w"> |
| 178 | </span><span·class="k">receive</span><span·class="w"> | 178 | </span><span·class="k">receive</span><span·class="w"> |
| 179 | ··</span><span·class="p"·data-group-id=" | 179 | ··</span><span·class="p"·data-group-id="1060905842-5">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1060905842-6">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><sp[·...·truncated·by·diffoscope;·len:·91,·SHA:·757182e75860be4744ab39fd087231ab1cdf0b845566a0aa87b8c74d1e21c45b·...·]-5">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 180 | ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="1060905842-7">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id="1060905842-8">(</span><span·class="n">Data</span><span·class="p"·data-group-id="106090[·...·truncated·by·diffoscope;·len:·57,·SHA:·8e50d3946c2741c0675e6339b4e1e89d8ae3a1145d005466172b74a98483f34e·...·]-7">}</span><span·class="w"> |
| 181 | </span><span·class="k">end</span></code></pre><p>The·resulting·Erlang·program·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 181 | </span><span·class="k">end</span></code></pre><p>The·resulting·Erlang·program·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="5647286282-1">(</span><span·class="ss">complex2</span><span·class="p"·data-group-id="5647286282-1">)</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 182 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5647286282-2">(</span><span·class="p"·data-group-id="5647286282-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·241,·SHA:·080fbb4cdb9e07f7098479ebe18df1cf966fcd09a517807b0f8ae5e239019119·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 183 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 183 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5647286282-4">(</span><span·class="p"·data-group-id="5647286282-5">[</span><span·class="ss">foo</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bar</span><span·class="p">/</span><span·[·...·truncated·by·diffoscope;·len:·113,·SHA:·bbb9144643dca485849f7edaceaace236d97a569bcede8fbfb2a7fc8cc0a7c5b·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 184 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 184 | </span><span·class="nf">start</span><span·class="p"·data-group-id="5647286282-6">(</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="5647286282-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 185 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 185 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="5647286282-7">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5647286282-8">[</span><spa[·...·truncated·by·diffoscope;·len:·119,·SHA:·f39d55f8fea1c199e965564f31710d26ab154d45ccd36e5a7ffed7c9ea295e6c·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 186 | </span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 186 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="5647286282-9">(</span><span·class="p"·data-group-id="5647286282-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 187 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">.</span><span·class="w"> | 187 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p">.</span><span·class="w"> |
| 188 | </span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 188 | </span><span·class="nf">foo</span><span·class="p"·data-group-id="5647286282-10">(</span><span·class="n">X</span><span·class="p"·data-group-id="5647286282-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 189 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 189 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="5647286282-11">(</span><span·class="p"·data-group-id="5647286282-12">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="5647286282-12">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·6d33c78e5e30b03ebb4180fe9c02132a8a4c9382e45c4c449260c2cd18760cb4·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 190 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 190 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="5647286282-13">(</span><span·class="n">Y</span><span·class="p"·data-group-id="5647286282-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 191 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 191 | ····</span><span·class="nf">call_port</span><span·class="p"·data-group-id="5647286282-14">(</span><span·class="p"·data-group-id="5647286282-15">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="5647286282-15">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·6d33c78e5e30b03ebb4180fe9c02132a8a4c9382e45c4c449260c2cd18760cb4·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 192 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id=" | 192 | </span><span·class="nf">call_port</span><span·class="p"·data-group-id="5647286282-16">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="5647286282-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 193 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 193 | ····</span><span·class="ss">complex</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="5647286282-17">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="5647286282-18">(</span><span·class="p"·data-group-id="5647286282-18">)</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·94,·SHA:·677f9039459e8490ce3766d12373af181258ac397059b7a14043494a54d8fb8e·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 194 | ····</span><span·class="k">receive</span><span·class="w"> | 194 | ····</span><span·class="k">receive</span><span·class="w"> |
| 195 | » </span><span·class="p"·data-group-id=" | 195 | » </span><span·class="p"·data-group-id="5647286282-19">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</span><span·class="p"·data-group-id="5647286282-19">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 196 | » ····</span><span·class="n">Result</span><span·class="w"> | 196 | » ····</span><span·class="n">Result</span><span·class="w"> |
| 197 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 197 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 198 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 198 | </span><span·class="nf">init</span><span·class="p"·data-group-id="5647286282-20">(</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="5647286282-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 199 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id="5647286282-21">(</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="5647286282-22">(</span><span·class="p"·data-group-id="5647286282-22">)</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·713d8f3717cf714559e1e905077ac06db730918be2eeca4cf73293d31e40a899·...·]-21">)</span><span·class="p">,</span><span·class="w"> |
| 200 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id=" | 200 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id="5647286282-23">(</span><span·class="ss">trap_exit</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="5647286282-23">)</span><span·class="p">,</span><span·class="w"> |
| 201 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id=" | 201 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="5647286282-24">(</span><span·class="p"·data-group-id="5647286282-25">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ExtPrg</span><span·class="p"·data-group-id="5647286282-25">}</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·467,·SHA:·857861c93fac5ab99c0a7d6d96c0d5feb2b42fcd48971360fa91afa2d46cba09·...·]-24">)</span><span·class="p">,</span><span·class="w"> |
| 202 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 202 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="5647286282-28">(</span><span·class="n">Port</span><span·class="p"·data-group-id="5647286282-28">)</span><span·class="p">.</span><span·class="w"> |
| 203 | </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 203 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="5647286282-29">(</span><span·class="n">Port</span><span·class="p"·data-group-id="5647286282-29">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 204 | ····</span><span·class="k">receive</span><span·class="w"> | 204 | ····</span><span·class="k">receive</span><span·class="w"> |
| 205 | » </span><span·class="p"·data-group-id=" | 205 | » </span><span·class="p"·data-group-id="5647286282-30">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Caller</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="5647286282-30">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 206 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 206 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="5647286282-31">{</span><span·class="nf">self</span><span·class="p"·data-group-id="5647286282-32">(</span><span·class="p"·data-group-id="5647286282-32">)</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5647286282-33">{</[·...·truncated·by·diffoscope;·len:·351,·SHA:·d0bc539f8aca6b4707ed9e93a384992d42e888b410f246fe59101d5e126ebb74·...·]-31">}</span><span·class="p">,</span><span·class="w"> |
| 207 | » ····</span><span·class="k">receive</span><span·class="w"> | 207 | » ····</span><span·class="k">receive</span><span·class="w"> |
| 208 | » » </span><span·class="p"·data-group-id=" | 208 | » » </span><span·class="p"·data-group-id="5647286282-35">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5647286282-36">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><[·...·truncated·by·diffoscope;·len:·94,·SHA:·ef0ca62e4142f62b1f3fd65cd3406e0fd92916b4f7edc3e66d8c2ed3f5c88b38·...·]-35">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 209 | » » ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 209 | » » ····</span><span·class="n">Caller</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="5647286282-37">{</span><span·class="ss">complex</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id="5647286282-38">(</span><span·class="n">Data</span><span·class="p"·data-group-id="5647[·...·truncated·by·diffoscope;·len:·60,·SHA:·13e29e1d0a00164fea6270a28cfe269b1618f4b659944c1d6eaa1ec5b5ef0285·...·]-37">}</span><span·class="w"> |
| 210 | » ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 210 | » ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 211 | » ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 211 | » ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="5647286282-39">(</span><span·class="n">Port</span><span·class="p"·data-group-id="5647286282-39">)</span><span·class="p">;</span><span·class="w"> |
| 212 | » </span><span·class="ss">stop</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 212 | » </span><span·class="ss">stop</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 213 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 213 | » ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="5647286282-40">{</span><span·class="nf">self</span><span·class="p"·data-group-id="5647286282-41">(</span><span·class="p"·data-group-id="5647286282-41">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">close</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·2f9ae295116e30d61a9c20951937924c6c5c29e028d49a243521d2caed30c1fd·...·]-40">}</span><span·class="p">,</span><span·class="w"> |
| 214 | » ····</span><span·class="k">receive</span><span·class="w"> | 214 | » ····</span><span·class="k">receive</span><span·class="w"> |
| 215 | » » </span><span·class="p"·data-group-id=" | 215 | » » </span><span·class="p"·data-group-id="5647286282-42">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">closed</span><span·class="p"·data-group-id="5647286282-42">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 216 | » » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 216 | » » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id="5647286282-43">(</span><span·class="ss">normal</span><span·class="p"·data-group-id="5647286282-43">)</span><span·class="w"> |
| 217 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 217 | » ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 218 | » </span><span·class="p"·data-group-id=" | 218 | » </span><span·class="p"·data-group-id="5647286282-44">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="5647286282-44">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 219 | » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 219 | » ····</span><span·class="nf">exit</span><span·class="p"·data-group-id="5647286282-45">(</span><span·class="ss">port_terminated</span><span·class="p"·data-group-id="5647286282-45">)</span><span·class="w"> |
| 220 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Notice·that·calling·<code·class="inline">complex2:foo/1</code>·and·<code·class="inline">complex2:bar/1</code>·results·in·the·tuple | 220 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Notice·that·calling·<code·class="inline">complex2:foo/1</code>·and·<code·class="inline">complex2:bar/1</code>·results·in·the·tuple |
| 221 | <code·class="inline">{foo,X}</code>·or·<code·class="inline">{bar,Y}</code>·being·sent·to·the·<code·class="inline">complex</code>·process,·which·codes·them·as | 221 | <code·class="inline">{foo,X}</code>·or·<code·class="inline">{bar,Y}</code>·being·sent·to·the·<code·class="inline">complex</code>·process,·which·codes·them·as |
| 222 | binaries·and·sends·them·to·the·port.·This·means·that·the·C·program·must·be·able | 222 | binaries·and·sends·them·to·the·port.·This·means·that·the·C·program·must·be·able |
| 223 | to·handle·these·two·tuples.</p><h2·id="c-program"·class="section-heading"> | 223 | to·handle·these·two·tuples.</p><h2·id="c-program"·class="section-heading"> |
| 224 | ··<a·href="#c-program"·class="hover-link"> | 224 | ··<a·href="#c-program"·class="hover-link"> |
| 225 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 225 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 226 | ··</a> | 226 | ··</a> |
| Offset 362, 27 lines modified | Offset 362, 27 lines modified | ||
| 362 | ····-L/usr/local/otp/lib/erl_interface-3.9.2/lib·\ | 362 | ····-L/usr/local/otp/lib/erl_interface-3.9.2/lib·\ |
| 363 | ····complex.c·erl_comm.c·ei.c·-lei·-lpthread</code></pre><p>In·Erlang/OTP·R5B·and·later·versions·of·OTP,·the·<code·class="inline">include</code>·and·<code·class="inline">lib</code>·directories | 363 | ····complex.c·erl_comm.c·ei.c·-lei·-lpthread</code></pre><p>In·Erlang/OTP·R5B·and·later·versions·of·OTP,·the·<code·class="inline">include</code>·and·<code·class="inline">lib</code>·directories |
| 364 | are·situated·under·<code·class="inline">$OTPROOT/lib/erl_interface-VSN</code>,·where·<code·class="inline">$OTPROOT</code>·is·the | 364 | are·situated·under·<code·class="inline">$OTPROOT/lib/erl_interface-VSN</code>,·where·<code·class="inline">$OTPROOT</code>·is·the |
| 365 | root·directory·of·the·OTP·installation·(<code·class="inline">/usr/local/otp</code>·in·the·recent·example) | 365 | root·directory·of·the·OTP·installation·(<code·class="inline">/usr/local/otp</code>·in·the·recent·example) |
| 366 | and·<code·class="inline">VSN</code>·is·the·version·of·the·Erl_interface·application·(3.2.1·in·the·recent | 366 | and·<code·class="inline">VSN</code>·is·the·version·of·the·Erl_interface·application·(3.2.1·in·the·recent |
| 367 | example).</p><p>In·R4B·and·earlier·versions·of·OTP,·<code·class="inline">include</code>·and·<code·class="inline">lib</code>·are·situated·under | 367 | example).</p><p>In·R4B·and·earlier·versions·of·OTP,·<code·class="inline">include</code>·and·<code·class="inline">lib</code>·are·situated·under |
| 368 | <code·class="inline">$OTPROOT/usr</code>.</p><p><em>Step·2.</em>·Start·Erlang·and·compile·the·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w"> | 368 | <code·class="inline">$OTPROOT/usr</code>.</p><p><em>Step·2.</em>·Start·Erlang·and·compile·the·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w"> |
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| 143 | reports·and·other·error·and·information·reports·are·by·default·logged·through | 143 | reports·and·other·error·and·information·reports·are·by·default·logged·through |
| 144 | the·log·handler·which·is·set·up·when·the·Kernel·application·is·started.</p><p>Prior·to·Erlang/OTP·21.0,·supervisor,·crash,·and·progress·reports·were·only | 144 | the·log·handler·which·is·set·up·when·the·Kernel·application·is·started.</p><p>Prior·to·Erlang/OTP·21.0,·supervisor,·crash,·and·progress·reports·were·only |
| 145 | logged·when·the·SASL·application·was·running.·This·behaviour·can,·for·backwards | 145 | logged·when·the·SASL·application·was·running.·This·behaviour·can,·for·backwards |
| 146 | compatibility,·be·enabled·by·setting·the·Kernel·configuration·parameter | 146 | compatibility,·be·enabled·by·setting·the·Kernel·configuration·parameter |
| 147 | <a·href="../../lib/kernel-10.2.3/doc/html/kernel_app.html#logger_sasl_compatible"><code·class="inline">logger_sasl_compatible</code></a>·to | 147 | <a·href="../../lib/kernel-10.2.3/doc/html/kernel_app.html#logger_sasl_compatible"><code·class="inline">logger_sasl_compatible</code></a>·to |
| 148 | <code·class="inline">true</code>.·For·more·information,·see | 148 | <code·class="inline">true</code>.·For·more·information,·see |
| 149 | <a·href="../../lib/sasl-4.2.2/doc/html/error_logging.html">SASL·Error·Logging</a>·in·the·SASL·User's·Guide.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-kernel·logger_level·info</span><span·class="w"> | 149 | <a·href="../../lib/sasl-4.2.2/doc/html/error_logging.html">SASL·Error·Logging</a>·in·the·SASL·User's·Guide.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-kernel·logger_level·info</span><span·class="w"> |
| 150 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">21</span><span·class="w">·</span><span·class="p"·data-group-id=" | 150 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">21</span><span·class="w">·</span><span·class="p"·data-group-id="7102576794-1">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">10.0</span><span·class="p"·data-group-id="7102576794-1">]</span><span·class="w">·</span><span·class="p"·data-group-id="7102576794-2">[</span><span·class="ss">source<[·...·truncated·by·diffoscope;·len:·1311,·SHA:·d2543f3a9c435a4ebb2ad2bd5c102af6c882dd9bb69511583f4f9d30aa129c69·...·]94-7">]</span><span·class="w"> |
| 151 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">8</span><span·class="o">-</span><span·class="n">Jun</span><span·class="o">-</span><span·class="mi">2018</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">54</span><span·class="p">:</span><span·class="mf">19.916404</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> | 151 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">8</span><span·class="o">-</span><span·class="n">Jun</span><span·class="o">-</span><span·class="mi">2018</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">54</span><span·class="p">:</span><span·class="mf">19.916404</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> |
| 152 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">kernel</span><span·class="w"> | 152 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">kernel</span><span·class="w"> |
| 153 | ····</span><span·class="nc">started_at</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nonode@nohost</span><span·class="w"> | 153 | ····</span><span·class="nc">started_at</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nonode@nohost</span><span·class="w"> |
| 154 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">8</span><span·class="o">-</span><span·class="n">Jun</span><span·class="o">-</span><span·class="mi">2018</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">54</span><span·class="p">:</span><span·class="mf">19.922908</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> | 154 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">8</span><span·class="o">-</span><span·class="n">Jun</span><span·class="o">-</span><span·class="mi">2018</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">54</span><span·class="p">:</span><span·class="mf">19.922908</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> |
| 155 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">stdlib</span><span·class="w"> | 155 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">stdlib</span><span·class="w"> |
| 156 | ····</span><span·class="nc">started_at</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nonode@nohost</span><span·class="w"> | 156 | ····</span><span·class="nc">started_at</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nonode@nohost</span><span·class="w"> |
| 157 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">8</span><span·class="o">-</span><span·class="n">Jun</span><span·class="o">-</span><span·class="mi">2018</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">54</span><span·class="p">:</span><span·class="mf">19.925755</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> | 157 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">8</span><span·class="o">-</span><span·class="n">Jun</span><span·class="o">-</span><span·class="mi">2018</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">54</span><span·class="p">:</span><span·class="mf">19.925755</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> |
| 158 | ····</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="7102576794-8">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="ss">kernel_safe_sup</span><span·class="p"·data-group-id="7102576794-8">}</span><span·class="w"> |
| 159 | ····</span><span·class="nc">started</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 159 | ····</span><span·class="nc">started</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="7102576794-9">[</span><span·class="p"·data-group-id="7102576794-10">{</span><span·class="ss">pid</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.74</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></spa[·...·truncated·by·diffoscope;·len:·41,·SHA:·399df64cf2ac1f6579c095de8d8a74d3e5dec7a1c0d220e6ec2db3f35e29c351·...·]94-10">}</span><span·class="p">,</span><span·class="w"> |
| 160 | ··············</span><span·class="p"·data-group-id=" | 160 | ··············</span><span·class="p"·data-group-id="7102576794-11">{</span><span·class="ss">id</span><span·class="p">,</span><span·class="ss">disk_log_sup</span><span·class="p"·data-group-id="7102576794-11">}</span><span·class="p">,</span><span·class="w"> |
| 161 | ··············</span><span·class="p"·data-group-id=" | 161 | ··············</span><span·class="p"·data-group-id="7102576794-12">{</span><span·class="ss">mfargs</span><span·class="p">,</span><span·class="p"·data-group-id="7102576794-13">{</span><span·class="ss">disk_log_sup</span><span·class="p">,</span><span·class="ss">start_link</span><span·class="p">,</span><span·c[·...·truncated·by·diffoscope;·len:·194,·SHA:·7fe86cb0df42cfaf77aa2d13bd3acae784fcd858ad70a6644113383c08314ab5·...·]94-12">}</span><span·class="p">,</span><span·class="w"> |
| 162 | ··············</span><span·class="p"·data-group-id=" | 162 | ··············</span><span·class="p"·data-group-id="7102576794-15">{</span><span·class="ss">restart_type</span><span·class="p">,</span><span·class="ss">permanent</span><span·class="p"·data-group-id="7102576794-15">}</span><span·class="p">,</span><span·class="w"> |
| 163 | ··············</span><span·class="p"·data-group-id=" | 163 | ··············</span><span·class="p"·data-group-id="7102576794-16">{</span><span·class="ss">shutdown</span><span·class="p">,</span><span·class="mi">1000</span><span·class="p"·data-group-id="7102576794-16">}</span><span·class="p">,</span><span·class="w"> |
| 164 | ··············</span><span·class="p"·data-group-id=" | 164 | ··············</span><span·class="p"·data-group-id="7102576794-17">{</span><span·class="ss">child_type</span><span·class="p">,</span><span·class="ss">supervisor</span><span·class="p"·data-group-id="7102576794-17">}</span><span·class="p"·data-group-id="7102576794-9">]</span><span·class="w"> |
| 165 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">8</span><span·class="o">-</span><span·class="n">Jun</span><span·class="o">-</span><span·class="mi">2018</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">54</span><span·class="p">:</span><span·class="mf">19.926056</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> | 165 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">8</span><span·class="o">-</span><span·class="n">Jun</span><span·class="o">-</span><span·class="mi">2018</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">54</span><span·class="p">:</span><span·class="mf">19.926056</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> |
| 166 | ····</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 166 | ····</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="7102576794-18">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="ss">kernel_safe_sup</span><span·class="p"·data-group-id="7102576794-18">}</span><span·class="w"> |
| 167 | ····</span><span·class="nc">started</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 167 | ····</span><span·class="nc">started</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="7102576794-19">[</span><span·class="p"·data-group-id="7102576794-20">{</span><span·class="ss">pid</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.75</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></sp[·...·truncated·by·diffoscope;·len:·42,·SHA:·cd7927e6b38ddf1cd576ff90770f85dcc4abea1514a7c34d6471681bdf7a85ea·...·]94-20">}</span><span·class="p">,</span><span·class="w"> |
| 168 | ··············</span><span·class="p"·data-group-id=" | 168 | ··············</span><span·class="p"·data-group-id="7102576794-21">{</span><span·class="ss">id</span><span·class="p">,</span><span·class="ss">disk_log_server</span><span·class="p"·data-group-id="7102576794-21">}</span><span·class="p">,</span><span·class="w"> |
| 169 | ··············</span><span·class="p"·data-group-id=" | 169 | ··············</span><span·class="p"·data-group-id="7102576794-22">{</span><span·class="ss">mfargs</span><span·class="p">,</span><span·class="p"·data-group-id="7102576794-23">{</span><span·class="ss">disk_log_server</span><span·class="p">,</span><span·class="ss">start_link</span><span·class="p">,</span><spa[·...·truncated·by·diffoscope;·len:·197,·SHA:·b556c54d528c6d9c7584d68d35a1deb9f12b968761c1fe96db032282c073785c·...·]94-22">}</span><span·class="p">,</span><span·class="w"> |
| 170 | ··············</span><span·class="p"·data-group-id=" | 170 | ··············</span><span·class="p"·data-group-id="7102576794-25">{</span><span·class="ss">restart_type</span><span·class="p">,</span><span·class="ss">permanent</span><span·class="p"·data-group-id="7102576794-25">}</span><span·class="p">,</span><span·class="w"> |
| 171 | ··············</span><span·class="p"·data-group-id=" | 171 | ··············</span><span·class="p"·data-group-id="7102576794-26">{</span><span·class="ss">shutdown</span><span·class="p">,</span><span·class="mi">2000</span><span·class="p"·data-group-id="7102576794-26">}</span><span·class="p">,</span><span·class="w"> |
| 172 | ··············</span><span·class="p"·data-group-id=" | 172 | ··············</span><span·class="p"·data-group-id="7102576794-27">{</span><span·class="ss">child_type</span><span·class="p">,</span><span·class="ss">worker</span><span·class="p"·data-group-id="7102576794-27">}</span><span·class="p"·data-group-id="7102576794-19">]</span><span·class="w"> |
| 173 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mi">0</span><span·class="w">··</span><span·class="p"·data-group-id=" | 173 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mi">0</span><span·class="w">··</span><span·class="p"·data-group-id="7102576794-28">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="7102576794-28">)</span><span·class="w"> |
| 174 | </span><span·class="mi">1</span><span·class="o">></span></code></pre> | 174 | </span><span·class="mi">1</span><span·class="o">></span></code></pre> |
| 175 | </div> | 175 | </div> |
| 176 | <div·class="bottom-actions"·id="bottom-actions"> | 176 | <div·class="bottom-actions"·id="bottom-actions"> |
| 177 | ··<div·class="bottom-actions-item"> | 177 | ··<div·class="bottom-actions-item"> |
| 178 | ······<a·href="system_principles.html"·class="bottom-actions-button"·rel="prev"> | 178 | ······<a·href="system_principles.html"·class="bottom-actions-button"·rel="prev"> |
| Offset 219, 15 lines modified | Offset 219, 15 lines modified | ||
| 219 | ······<p·class="built-using"> | 219 | ······<p·class="built-using"> |
| 220 | ········Built·using | 220 | ········Built·using |
| 221 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 221 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 222 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 222 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 223 | ······</p> | 223 | ······</p> |
| 224 | <p>Copyright·©·1996-202 | 224 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 225 | ····</footer> | 225 | ····</footer> |
| 226 | ··</div> | 226 | ··</div> |
| 227 | </main> | 227 | </main> |
| 228 | </div> | 228 | </div> |
| 229 | <script> | 229 | <script> |
| 230 | ··function·mermaidLoaded()·{ | 230 | ··function·mermaidLoaded()·{ |
| 231 | ····mermaid.initialize({ | 231 | ····mermaid.initialize({ |
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| 151 | classes,·with·different·origins.·The·<a·href="expressions.html#try">try</a>·expression·can | 151 | classes,·with·different·origins.·The·<a·href="expressions.html#try">try</a>·expression·can |
| 152 | distinguish·between·the·different·classes,·whereas·the | 152 | distinguish·between·the·different·classes,·whereas·the |
| 153 | <a·href="expressions.html#catch-and-throw">catch</a>·expression·cannot.·<code·class="inline">try</code>·and·<code·class="inline">catch</code>·are·described | 153 | <a·href="expressions.html#catch-and-throw">catch</a>·expression·cannot.·<code·class="inline">try</code>·and·<code·class="inline">catch</code>·are·described |
| 154 | in·<a·href="expressions.html">Expressions</a>.</p><table><thead><tr><th·style="text-align:·left;"><em>Class</em></th><th·style="text-align:·left;"><em>Origin</em></th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">error</code></td><td·style="text-align:·left;">Run-time·error,·for·example,·<code·class="inline">1+a</code>,·or·the·process·called·<a·href="../../erts-15.2.3/doc/html/erlang.html#error/1"><code·class="inline">error/1</code></a></td></tr><tr><td·style="text-align:·left;"><code·class="inline">exit</code></td><td·style="text-align:·left;">The·process·called·<a·href="../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit/1</code></a></td></tr><tr><td·style="text-align:·left;"><code·class="inline">throw</code></td><td·style="text-align:·left;">The·process·called·<a·href="../../erts-15.2.3/doc/html/erlang.html#throw/1"><code·class="inline">throw/1</code></a></td></tr></tbody></table><p><em>Table:·Exception·Classes.</em></p><p>All·of·the·above·exceptions·can·also·be·generated·by·calling·<a·href="../../erts-15.2.3/doc/html/erlang.html#raise/3"><code·class="inline">erlang:raise/3</code></a>.</p><p>An·exception·consists·of·its·class,·an·exit·reason·(see | 154 | in·<a·href="expressions.html">Expressions</a>.</p><table><thead><tr><th·style="text-align:·left;"><em>Class</em></th><th·style="text-align:·left;"><em>Origin</em></th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">error</code></td><td·style="text-align:·left;">Run-time·error,·for·example,·<code·class="inline">1+a</code>,·or·the·process·called·<a·href="../../erts-15.2.3/doc/html/erlang.html#error/1"><code·class="inline">error/1</code></a></td></tr><tr><td·style="text-align:·left;"><code·class="inline">exit</code></td><td·style="text-align:·left;">The·process·called·<a·href="../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit/1</code></a></td></tr><tr><td·style="text-align:·left;"><code·class="inline">throw</code></td><td·style="text-align:·left;">The·process·called·<a·href="../../erts-15.2.3/doc/html/erlang.html#throw/1"><code·class="inline">throw/1</code></a></td></tr></tbody></table><p><em>Table:·Exception·Classes.</em></p><p>All·of·the·above·exceptions·can·also·be·generated·by·calling·<a·href="../../erts-15.2.3/doc/html/erlang.html#raise/3"><code·class="inline">erlang:raise/3</code></a>.</p><p>An·exception·consists·of·its·class,·an·exit·reason·(see |
| 155 | <a·href="errors.html#exit_reasons">Exit·Reason</a>),·and·a·stack·trace·(which·aids·in·finding | 155 | <a·href="errors.html#exit_reasons">Exit·Reason</a>),·and·a·stack·trace·(which·aids·in·finding |
| 156 | the·code·location·of·the·exception).</p><p>The·stack·trace·can·be·bound·to·a·variable·from·within·a·<code·class="inline">try</code>·expression·for | 156 | the·code·location·of·the·exception).</p><p>The·stack·trace·can·be·bound·to·a·variable·from·within·a·<code·class="inline">try</code>·expression·for |
| 157 | any·exception·class,·or·as·part·of·the·exit·reason·when·a·run-time·error·is | 157 | any·exception·class,·or·as·part·of·the·exit·reason·when·a·run-time·error·is |
| 158 | caught·by·a·<code·class="inline">catch</code>.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id=" | 158 | caught·by·a·<code·class="inline">catch</code>.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="3931153424-1">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="p"·data-group-id="3931153424-2">{</span><span·class="ss">test</span><span·class="p">,</span><span·class="n">Stacktrace</span><span·class="p"·data-group-id="393[·...·truncated·by·diffoscope;·len:·453,·SHA:·5f1c50b292bd1d37d79ca8a1f3dfdc7e982ac377cc25a55bd9d6b6e24aedce27·...·]-3">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Stacktrace</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="p"·data-group-id=" | 159 | </span><span·class="p"·data-group-id="3931153424-5">[</span><span·class="p"·data-group-id="3931153424-6">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">apply_fun</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·125,·SHA:·9a4e9f5a3ae564193681a3caab8d042788cb17074a2d27dd8285ac309410ffc4·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 160 | ·</span><span·class="p"·data-group-id=" | 160 | ·</span><span·class="p"·data-group-id="3931153424-8">{</span><span·class="ss">erl_eval</span><span·class="p">,</span><span·class="ss">do_apply</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="p"·data-group-id="3931153424-9">[</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·74,·SHA:·bffd12a312de54ccd66d0706eec943854bb1ea05d400fb554e44bf52d4e6264b·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 161 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 161 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3931153424-5">]</span><span·class="gp·unselectable"> |
| 162 | >·</span><span·class="k">try</span><span·class="w">·</span><span·class="nf">throw</span><span·class="p"·data-group-id=" | 162 | >·</span><span·class="k">try</span><span·class="w">·</span><span·class="nf">throw</span><span·class="p"·data-group-id="3931153424-10">(</span><span·class="ss">test</span><span·class="p"·data-group-id="3931153424-10">)</span><span·class="w">·</span><span·class="k">catch</span><span·class="w">·</span><span·class="n">Class</span><span·class="p">:</span><span·class="n">Reason</span><span·class="p">:</span><span·class="n">Stacktrace</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Stacktrace</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 163 | </span><span·class="p"·data-group-id=" | 163 | </span><span·class="p"·data-group-id="3931153424-11">[</span><span·class="p"·data-group-id="3931153424-12">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">apply_fun</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·129,·SHA:·8b326c176748e1ed1aa504dbd59efa537a8a1015a49491fea9ac28072a083080·...·]-12">}</span><span·class="p">,</span><span·class="w"> |
| 164 | ·</span><span·class="p"·data-group-id=" | 164 | ·</span><span·class="p"·data-group-id="3931153424-14">{</span><span·class="ss">erl_eval</span><span·class="p">,</span><span·class="ss">do_apply</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="p"·data-group-id="3931153424-15">[</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·77,·SHA:·220fb775cb4a856af1361443c5ca90cc8f90e24ef42545b0b2a842d271398a7e·...·]-14">}</span><span·class="p">,</span><span·class="w"> |
| 165 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 165 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3931153424-11">]</span></code></pre><p><a·href=""·id="stacktrace"></a></p><h3·id="the-call-stack-back-trace-stacktrace"·class="section-heading"> |
| 166 | ··<a·href="#the-call-stack-back-trace-stacktrace"·class="hover-link"> | 166 | ··<a·href="#the-call-stack-back-trace-stacktrace"·class="hover-link"> |
| 167 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 167 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 168 | ··</a> | 168 | ··</a> |
| 169 | ··<span·class="text">The·call-stack·back·trace·(stacktrace)</span> | 169 | ··<span·class="text">The·call-stack·back·trace·(stacktrace)</span> |
| 170 | </h3> | 170 | </h3> |
| 171 | <p>The·stack·back-trace·(<a·href="../../erts-15.2.3/doc/html/erlang.html#t:stacktrace/0"><em>stacktrace</em></a>)·is·a·list·that | 171 | <p>The·stack·back-trace·(<a·href="../../erts-15.2.3/doc/html/erlang.html#t:stacktrace/0"><em>stacktrace</em></a>)·is·a·list·that |
| 172 | contains·<code·class="inline">{Module,·Function,·Arity,·ExtraInfo}</code>·and/or·<code·class="inline">{Fun,·Arity,·ExtraInfo}</code> | 172 | contains·<code·class="inline">{Module,·Function,·Arity,·ExtraInfo}</code>·and/or·<code·class="inline">{Fun,·Arity,·ExtraInfo}</code> |
| Offset 283, 15 lines modified | Offset 283, 15 lines modified | ||
| 283 | ······<p·class="built-using"> | 283 | ······<p·class="built-using"> |
| 284 | ········Built·using | 284 | ········Built·using |
| 285 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 285 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 286 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 286 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 287 | ······</p> | 287 | ······</p> |
| 288 | <p>Copyright·©·1996-202 | 288 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 289 | ····</footer> | 289 | ····</footer> |
| 290 | ··</div> | 290 | ··</div> |
| 291 | </main> | 291 | </main> |
| 292 | </div> | 292 | </div> |
| 293 | <script> | 293 | <script> |
| 294 | ··function·mermaidLoaded()·{ | 294 | ··function·mermaidLoaded()·{ |
| 295 | ····mermaid.initialize({ | 295 | ····mermaid.initialize({ |
| Offset 135, 43 lines modified | Offset 135, 43 lines modified | ||
| 135 | event·handler.</p><h2·id="example"·class="section-heading"> | 135 | event·handler.</p><h2·id="example"·class="section-heading"> |
| 136 | ··<a·href="#example"·class="hover-link"> | 136 | ··<a·href="#example"·class="hover-link"> |
| 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 138 | ··</a> | 138 | ··</a> |
| 139 | ··<span·class="text">Example</span> | 139 | ··<span·class="text">Example</span> |
| 140 | </h2> | 140 | </h2> |
| 141 | <p>The·callback·module·for·the·event·handler·writing·error·messages·to·the·terminal | 141 | <p>The·callback·module·for·the·event·handler·writing·error·messages·to·the·terminal |
| 142 | can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 142 | can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="5614578131-1">(</span><span·class="ss">terminal_logger</span><span·class="p"·data-group-id="5614578131-1">)</span><span·class="p">.</span><span·class="w"> |
| 143 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 143 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="5614578131-2">(</span><span·class="ss">gen_event</span><span·class="p"·data-group-id="5614578131-2">)</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="w"> | 144 | </span><span·class="w"> |
| 145 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 145 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5614578131-3">(</span><span·class="p"·data-group-id="5614578131-4">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">handle_event</span><span·class="p">/</s[·...·truncated·by·diffoscope;·len:·253,·SHA:·60f9e752761b816f020d69f59a2fbcc9037c1110459bef847d5b09f8dd47b697·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 146 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 146 | </span><span·class="nf">init</span><span·class="p"·data-group-id="5614578131-5">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p"·data-group-id="5614578131-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 147 | ····</span><span·class="p"·data-group-id=" | 147 | ····</span><span·class="p"·data-group-id="5614578131-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5614578131-7">[</span><span·class="p"·data-group-id="5614578131-7">]</span><span·class="p"·data-group-id="5614578131-6">}</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 148 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id="5614578131-8">(</span><span·class="n">ErrorMsg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="5614578131-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 149 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 149 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5614578131-9">(</span><span·class="s">"***Error***·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5614578131-10">[</span><span·clas[·...·truncated·by·diffoscope;·len:·116,·SHA:·c1930431a88cd34bc4aa68f31cf75d31977708ddf848b493fefc520374537de6·...·]-9">)</span><span·class="p">,</span><span·class="w"> |
| 150 | ····</span><span·class="p"·data-group-id=" | 150 | ····</span><span·class="p"·data-group-id="5614578131-11">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="5614578131-11">}</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id=" | 151 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id="5614578131-12">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">State</span><span·class="p"·data-group-id="5614578131-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 152 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>The·callback·module·for·the·event·handler·writing·error·messages·to·a·file·can | 152 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>The·callback·module·for·the·event·handler·writing·error·messages·to·a·file·can |
| 153 | look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 153 | look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="8821725993-1">(</span><span·class="ss">file_logger</span><span·class="p"·data-group-id="8821725993-1">)</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 154 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="8821725993-2">(</span><span·class="ss">gen_event</span><span·class="p"·data-group-id="8821725993-2">)</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="w"> | 155 | </span><span·class="w"> |
| 156 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 156 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8821725993-3">(</span><span·class="p"·data-group-id="8821725993-4">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">handle_event</span><span·class="p">/</s[·...·truncated·by·diffoscope;·len:·253,·SHA:·c77a032af4e3bdec648ef22cdd9ac8f80c34dcdf6c041483f2fac9bc820b9865·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nf">init</span><span·class="p"·data-group-id="8821725993-5">(</span><span·class="n">File</span><span·class="p"·data-group-id="8821725993-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ····</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="p"·data-group-id="8821725993-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="8821725993-6">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·267,·SHA:·5a1eab2fad1b195b514b2124d3b6ba822664875cc44a54005f8f2b8ad4ab4640·...·]-7">)</span><span·class="p">,</span><span·class="w"> |
| 159 | ····</span><span·class="p"·data-group-id=" | 159 | ····</span><span·class="p"·data-group-id="8821725993-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="8821725993-8">}</span><span·class="p">.</span><span·class="w"> |
| 160 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 160 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id="8821725993-9">(</span><span·class="n">ErrorMsg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="8821725993-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 161 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 161 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="8821725993-10">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"***Error***·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w[·...·truncated·by·diffoscope;·len:·190,·SHA:·04e23ac0466a1c4f88914732ccf9620bfaabb274ea59c98ec4b1c70b58844bec·...·]-10">)</span><span·class="p">,</span><span·class="w"> |
| 162 | ····</span><span·class="p"·data-group-id=" | 162 | ····</span><span·class="p"·data-group-id="8821725993-12">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="8821725993-12">}</span><span·class="p">.</span><span·class="w"> |
| 163 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id=" | 163 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id="8821725993-13">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="8821725993-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 164 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 164 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="8821725993-14">(</span><span·class="n">Fd</span><span·class="p"·data-group-id="8821725993-14">)</span><span·class="p">.</span></code></pre><p>The·code·is·explained·in·the·next·sections.</p><p><a·href=""·id="mgr"></a></p><h2·id="starting-an-event-manager"·class="section-heading"> |
| 165 | ··<a·href="#starting-an-event-manager"·class="hover-link"> | 165 | ··<a·href="#starting-an-event-manager"·class="hover-link"> |
| 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 167 | ··</a> | 167 | ··</a> |
| 168 | ··<span·class="text">Starting·an·Event·Manager</span> | 168 | ··<span·class="text">Starting·an·Event·Manager</span> |
| 169 | </h2> | 169 | </h2> |
| 170 | <p>To·start·an·event·manager·for·handling·errors,·as·described·in·the·previous | 170 | <p>To·start·an·event·manager·for·handling·errors,·as·described·in·the·previous |
| 171 | example,·call·the·following·function:</p><pre><code·class="text">gen_event:start_link({local,·error_man})</code></pre><p><a·href="../../lib/stdlib-6.2.1/doc/html/gen_event.html#start_link/1"><code·class="inline">gen_event:start_link/1</code></a>·spawns·and·links·to·a·new·event·manager·process.</p><p>The·argument,·<code·class="inline">{local,·error_man}</code>,·specifies·the·name·under·which·the | 171 | example,·call·the·following·function:</p><pre><code·class="text">gen_event:start_link({local,·error_man})</code></pre><p><a·href="../../lib/stdlib-6.2.1/doc/html/gen_event.html#start_link/1"><code·class="inline">gen_event:start_link/1</code></a>·spawns·and·links·to·a·new·event·manager·process.</p><p>The·argument,·<code·class="inline">{local,·error_man}</code>,·specifies·the·name·under·which·the |
| Offset 184, 57 lines modified | Offset 184, 57 lines modified | ||
| 184 | manager·that·is·not·part·of·a·supervision·tree.</p><h2·id="adding-an-event-handler"·class="section-heading"> | 184 | manager·that·is·not·part·of·a·supervision·tree.</p><h2·id="adding-an-event-handler"·class="section-heading"> |
| 185 | ··<a·href="#adding-an-event-handler"·class="hover-link"> | 185 | ··<a·href="#adding-an-event-handler"·class="hover-link"> |
| 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 187 | ··</a> | 187 | ··</a> |
| 188 | ··<span·class="text">Adding·an·Event·Handler</span> | 188 | ··<span·class="text">Adding·an·Event·Handler</span> |
| 189 | </h2> | 189 | </h2> |
| 190 | <p>The·following·example·shows·how·to·start·an·event·manager·and·add·an·event | 190 | <p>The·following·example·shows·how·to·start·an·event·manager·and·add·an·event |
| 191 | handler·to·it·by·using·the·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 191 | handler·to·it·by·using·the·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="8767991644-1">(</span><span·class="p"·data-group-id="8767991644-2">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">error_man</span><span·class="p"·data-group-id="8767991644-2">}</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·83e4179239aa286118fab59f80864103525e12699ce266ac2a6d51f1f8241163·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 192 | </span><span·class="p"·data-group-id=" | 192 | </span><span·class="p"·data-group-id="8767991644-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.31</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="8767991644-3">}</span><span·class="gp·unselectable"> |
| 193 | 2>·</span><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id=" | 193 | 2>·</span><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id="8767991644-4">(</span><span·class="ss">error_man</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">terminal_logger</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8767991644-5">[</span><span·class="[·...·truncated·by·diffoscope;·len:·81,·SHA:·c6e20b5dd82de930e6235e7371fdc5ee81a3c0df00060c80ceb54e894e3caa22·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 194 | </span><span·class="ss">ok</span></code></pre><p>This·function·sends·a·message·to·the·event·manager·registered·as·<code·class="inline">error_man</code>, | 194 | </span><span·class="ss">ok</span></code></pre><p>This·function·sends·a·message·to·the·event·manager·registered·as·<code·class="inline">error_man</code>, |
| 195 | telling·it·to·add·the·event·handler·<code·class="inline">terminal_logger</code>.·The·event·manager·calls | 195 | telling·it·to·add·the·event·handler·<code·class="inline">terminal_logger</code>.·The·event·manager·calls |
| 196 | the·callback·function·<code·class="inline">terminal_logger:init([])</code>,·where·the·argument·<code·class="inline">[]</code>·is·the | 196 | the·callback·function·<code·class="inline">terminal_logger:init([])</code>,·where·the·argument·<code·class="inline">[]</code>·is·the |
| 197 | third·argument·to·<code·class="inline">add_handler</code>.·<code·class="inline">init/1</code>·is·expected·to·return·<code·class="inline">{ok,·State}</code>, | 197 | third·argument·to·<code·class="inline">add_handler</code>.·<code·class="inline">init/1</code>·is·expected·to·return·<code·class="inline">{ok,·State}</code>, |
| 198 | where·<code·class="inline">State</code>·is·the·internal·state·of·the·event·handler.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id=" | 198 | where·<code·class="inline">State</code>·is·the·internal·state·of·the·event·handler.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id="0785936969-1">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p"·data-group-id="0785936969-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 199 | ····</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="p"·data-group-id="0785936969-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0785936969-3">[</span><span·class="p"·data-group-id="0785936969-3">]</span><span·class="p"·data-group-id="0785936969-2">}</span><span·class="p">.</span></code></pre><p>Here,·<code·class="inline">init/1</code>·does·not·need·any·input·data·and·ignores·its·argument.·For |
| 200 | <code·class="inline">terminal_logger</code>,·the·internal·state·is·not·used.·For·<code·class="inline">file_logger</code>,·the | 200 | <code·class="inline">terminal_logger</code>,·the·internal·state·is·not·used.·For·<code·class="inline">file_logger</code>,·the |
| 201 | internal·state·is·used·to·save·the·open·file·descriptor.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id=" | 201 | internal·state·is·used·to·save·the·open·file·descriptor.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id="2009866034-1">(</span><span·class="n">File</span><span·class="p"·data-group-id="2009866034-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 202 | ····</span><span·class="p"·data-group-id=" | 202 | ····</span><span·class="p"·data-group-id="2009866034-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="2009866034-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·267,·SHA:·ea9b31e61156db9e36ac32407895551c695550651b355c91ece49f38948aff5e·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 203 | ····</span><span·class="p"·data-group-id=" | 203 | ····</span><span·class="p"·data-group-id="2009866034-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="2009866034-4">}</span><span·class="p">.</span></code></pre><h2·id="notifying-about-events"·class="section-heading"> |
| 204 | ··<a·href="#notifying-about-events"·class="hover-link"> | 204 | ··<a·href="#notifying-about-events"·class="hover-link"> |
| 205 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 205 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 206 | ··</a> | 206 | ··</a> |
| 207 | ··<span·class="text">Notifying·about·Events</span> | 207 | ··<span·class="text">Notifying·about·Events</span> |
| 208 | </h2> | 208 | </h2> |
| 209 | <pre><code·class="text">3>·gen_event:notify(error_man,·no_reply). | 209 | <pre><code·class="text">3>·gen_event:notify(error_man,·no_reply). |
| 210 | ***Error***·no_reply | 210 | ***Error***·no_reply |
| 211 | ok</code></pre><p><code·class="inline">error_man</code>·is·the·name·of·the·event·manager·and·<code·class="inline">no_reply</code>·is·the·event.</p><p>The·event·is·made·into·a·message·and·sent·to·the·event·manager.·When·the·event | 211 | ok</code></pre><p><code·class="inline">error_man</code>·is·the·name·of·the·event·manager·and·<code·class="inline">no_reply</code>·is·the·event.</p><p>The·event·is·made·into·a·message·and·sent·to·the·event·manager.·When·the·event |
| 212 | is·received,·the·event·manager·calls·<code·class="inline">handle_event(Event,·State)</code>·for·each | 212 | is·received,·the·event·manager·calls·<code·class="inline">handle_event(Event,·State)</code>·for·each |
| 213 | installed·event·handler,·in·the·same·order·as·they·were·added.·The·function·is | 213 | installed·event·handler,·in·the·same·order·as·they·were·added.·The·function·is |
| 214 | expected·to·return·a·tuple·<code·class="inline">{ok,State1}</code>,·where·<code·class="inline">State1</code>·is·a·new·value·for·the | 214 | expected·to·return·a·tuple·<code·class="inline">{ok,State1}</code>,·where·<code·class="inline">State1</code>·is·a·new·value·for·the |
| 215 | state·of·the·event·handler.</p><p>In·<code·class="inline">terminal_logger</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_event</span><span·class="p"·data-group-id="7241781407-1">(</span><span·class="n">ErrorMsg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="7241781407-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 216 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="7241781407-2">(</span><span·class="s">"***Error***·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7241781407-3">[</span><span·class="n">ErrorMsg</span><span·class="p"·data-group-id="7241781407-3">]</span><span·class="p"·data-group-id="7241781407-2">)</span><span·class="p">,</span><span·class="w"> | ||
| 217 | ····</ | 215 | state·of·the·event·handler.</p><p>In·<code·class="inline">terminal_logger</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_event</span><span·class="p"·data-group-id="8764303502-1">(</span><span·class="n">ErrorMsg</span><sp[·...·truncated·by·diffoscope;·len:·114,·SHA:·9d04faaf0f36f53aa430cde5913b7826dfddec66d67b1f3cd65151c9c1599428·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 216 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="8764303502-2">(</span><span·class="s">"***Error***·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8764303502-3">[</span><span·class="n">ErrorMsg</span><span·class="p"·data-group-id="8764303502-3">]</span><span·class="p"·data-group-id="8764303502-2">)</span><span·class="p">,</span><span·class="w"> | ||
| 217 | ····</span><span·class="p"·data-group-id="8764303502-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="8764303502-4">}</span><span·class="p">.</span></code></pre><p>In·<code·class="inline">file_logger</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_event</span><span·class="p"·data-group-id="0963762036-1">(</span><span·class="n">ErrorMsg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="0963762036-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 218 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 218 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0963762036-2">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"***Error***·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w"[·...·truncated·by·diffoscope;·len:·187,·SHA:·18324cd02855e6a9ae88dd1bfec76cada32f5bd5782f582697af539326988ef7·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 219 | ····</span><span·class="p"·data-group-id=" | 219 | ····</span><span·class="p"·data-group-id="0963762036-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="0963762036-4">}</span><span·class="p">.</span></code></pre><h2·id="deleting-an-event-handler"·class="section-heading"> |
| 220 | ··<a·href="#deleting-an-event-handler"·class="hover-link"> | 220 | ··<a·href="#deleting-an-event-handler"·class="hover-link"> |
| 221 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 221 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 222 | ··</a> | 222 | ··</a> |
| 223 | ··<span·class="text">Deleting·an·Event·Handler</span> | 223 | ··<span·class="text">Deleting·an·Event·Handler</span> |
| 224 | </h2> | 224 | </h2> |
| 225 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">delete_handler</span><span·class="p"·data-group-id=" | 225 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">delete_handler</span><span·class="p"·data-group-id="3285425584-1">(</span><span·class="ss">error_man</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">terminal_logger</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3285425584-2">[</span><span·class="[·...·truncated·by·diffoscope;·len:·80,·SHA:·ebffdb659321511d2aeeae0322df5747383c49f67004e9950396aba46daa7726·...·]4-1">)</span><span·class="p">.</span><span·class="w"> |
| 226 | </span><span·class="ss">ok</span></code></pre><p>This·function·sends·a·message·to·the·event·manager·registered·as·<code·class="inline">error_man</code>, | 226 | </span><span·class="ss">ok</span></code></pre><p>This·function·sends·a·message·to·the·event·manager·registered·as·<code·class="inline">error_man</code>, |
| 227 | telling·it·to·delete·the·event·handler·<code·class="inline">terminal_logger</code>.·The·event·manager | 227 | telling·it·to·delete·the·event·handler·<code·class="inline">terminal_logger</code>.·The·event·manager |
| 228 | calls·the·callback·function·<code·class="inline">terminal_logger:terminate([],·State)</code>,·where·the | 228 | calls·the·callback·function·<code·class="inline">terminal_logger:terminate([],·State)</code>,·where·the |
| 229 | argument·<code·class="inline">[]</code>·is·the·third·argument·to·<code·class="inline">delete_handler</code>.·<code·class="inline">terminate/2</code>·is·to·be | 229 | argument·<code·class="inline">[]</code>·is·the·third·argument·to·<code·class="inline">delete_handler</code>.·<code·class="inline">terminate/2</code>·is·to·be |
| 230 | the·opposite·of·<code·class="inline">init/1</code>·and·do·any·necessary·cleaning·up.·Its·return·value·is | 230 | the·opposite·of·<code·class="inline">init/1</code>·and·do·any·necessary·cleaning·up.·Its·return·value·is |
| 231 | ignored.</p><p>For·<code·class="inline">terminal_logger</code>,·no·cleaning·up·is·necessary:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">terminate</span><span·class="p"·data-group-id=" | 231 | ignored.</p><p>For·<code·class="inline">terminal_logger</code>,·no·cleaning·up·is·necessary:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">terminate</span><span·class="p"·data-group-id="0109524351-1">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">State</span><span·class="p"·data-group-id="0109524351-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>For·<code·class="inline">file_logger</code>,·the·file·descriptor·opened·in·<code·class="inline">init</code>·must·be·closed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">terminate</span><span·class="p"·data-group-id=" | 232 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>For·<code·class="inline">file_logger</code>,·the·file·descriptor·opened·in·<code·class="inline">init</code>·must·be·closed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">terminate</span><span·class="p"·data-group-id="5121091020-1">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="5121091020-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 233 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 233 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="5121091020-2">(</span><span·class="n">Fd</span><span·class="p"·data-group-id="5121091020-2">)</span><span·class="p">.</span></code></pre><h2·id="stopping"·class="section-heading"> |
| 234 | ··<a·href="#stopping"·class="hover-link"> | 234 | ··<a·href="#stopping"·class="hover-link"> |
| 235 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 235 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 236 | ··</a> | 236 | ··</a> |
| 237 | ··<span·class="text">Stopping</span> | 237 | ··<span·class="text">Stopping</span> |
| 238 | </h2> | 238 | </h2> |
| 239 | <p>When·an·event·manager·is·stopped,·it·gives·each·of·the·installed·event·handlers | 239 | <p>When·an·event·manager·is·stopped,·it·gives·each·of·the·installed·event·handlers |
| 240 | the·chance·to·clean·up·by·calling·<code·class="inline">terminate/2</code>,·the·same·way·as·when·deleting·a | 240 | the·chance·to·clean·up·by·calling·<code·class="inline">terminate/2</code>,·the·same·way·as·when·deleting·a |
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| 249 | this·is·done·is·defined·by·a·<a·href="sup_princ.html#shutdown">shutdown·strategy</a>·set·in | 249 | this·is·done·is·defined·by·a·<a·href="sup_princ.html#shutdown">shutdown·strategy</a>·set·in |
| 250 | the·supervisor.</p><h3·id="standalone-event-managers"·class="section-heading"> | 250 | the·supervisor.</p><h3·id="standalone-event-managers"·class="section-heading"> |
| 251 | ··<a·href="#standalone-event-managers"·class="hover-link"> | 251 | ··<a·href="#standalone-event-managers"·class="hover-link"> |
| 252 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 252 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 253 | ··</a> | 253 | ··</a> |
| 254 | ··<span·class="text">Standalone·Event·Managers</span> | 254 | ··<span·class="text">Standalone·Event·Managers</span> |
| 255 | </h3> | 255 | </h3> |
| 256 | <p>An·event·manager·can·also·be·stopped·by·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 256 | <p>An·event·manager·can·also·be·stopped·by·calling:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="4730515679-1">(</span><span·class="ss">error_man</span><span·class="p"·data-group-id="4730515679-1">)</span><span·class="p">.</span><span·class="w"> |
| 257 | </span><span·class="ss">ok</span></code></pre><h2·id="handling-other-messages"·class="section-heading"> | 257 | </span><span·class="ss">ok</span></code></pre><h2·id="handling-other-messages"·class="section-heading"> |
| 258 | ··<a·href="#handling-other-messages"·class="hover-link"> | 258 | ··<a·href="#handling-other-messages"·class="hover-link"> |
| 259 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 259 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 260 | ··</a> | 260 | ··</a> |
| 261 | ··<span·class="text">Handling·Other·Messages</span> | 261 | ··<span·class="text">Handling·Other·Messages</span> |
| 262 | </h2> | 262 | </h2> |
| 263 | <p>If·the·<code·class="inline">gen_event</code>·process·is·to·be·able·to·receive·other·messages | 263 | <p>If·the·<code·class="inline">gen_event</code>·process·is·to·be·able·to·receive·other·messages |
| 264 | than·events,·the·callback·function·<code·class="inline">handle_info(Info,·State)</code>·must·be | 264 | than·events,·the·callback·function·<code·class="inline">handle_info(Info,·State)</code>·must·be |
| 265 | implemented·to·handle·them.·Examples·of·other·messages·are·exit | 265 | implemented·to·handle·them.·Examples·of·other·messages·are·exit |
| 266 | messages·if·the·event·manager·is·linked·to·other·processes·than·the | 266 | messages·if·the·event·manager·is·linked·to·other·processes·than·the |
| 267 | supervisor·(for·example·via·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_event.html#add_sup_handler/3"><code·class="inline">gen_event:add_sup_handler/3</code></a>)·and·is | 267 | supervisor·(for·example·via·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_event.html#add_sup_handler/3"><code·class="inline">gen_event:add_sup_handler/3</code></a>)·and·is |
| 268 | trapping·exit·signals.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_info</span><span·class="p"·data-group-id=" | 268 | trapping·exit·signals.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_info</span><span·class="p"·data-group-id="2949107987-1">(</span><span·class="p"·data-group-id="2949107987-2">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reaso[·...·truncated·by·diffoscope;·len:·178,·SHA:·367850b1b33c4b99182fe16d3646a8b0ece8ca04f1b76bad341c1e655db097e6·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 269 | ····</span><span·class="c1">%%·Code·to·handle·exits·here.</span><span·class="w"> | 269 | ····</span><span·class="c1">%%·Code·to·handle·exits·here.</span><span·class="w"> |
| 270 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 270 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 271 | ····</span><span·class="p"·data-group-id=" | 271 | ····</span><span·class="p"·data-group-id="2949107987-3">{</span><span·class="ss">noreply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State1</span><span·class="p"·data-group-id="2949107987-3">}</span><span·class="p">.</span></code></pre><p>The·final·function·to·implement·i[·...·truncated·by·diffoscope;·len:·406,·SHA:·73d17360d5f73f3abafd74bc796a26d1225fc3d847718b8ec43d50215bb2e8fc·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
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| 131 | int·bar(int·y)·{ | 131 | int·bar(int·y)·{ |
| 132 | ··return·y*2; | 132 | ··return·y*2; |
| 133 | }</code></pre><p>The·functions·are·deliberately·kept·as·simple·as·possible,·for·readability | 133 | }</code></pre><p>The·functions·are·deliberately·kept·as·simple·as·possible,·for·readability |
| 134 | reasons.</p><p>From·an·Erlang·perspective,·it·is·preferable·to·be·able·to·call·<code·class="inline">foo</code>·and·<code·class="inline">bar</code> | 134 | reasons.</p><p>From·an·Erlang·perspective,·it·is·preferable·to·be·able·to·call·<code·class="inline">foo</code>·and·<code·class="inline">bar</code> |
| 135 | without·having·to·bother·about·that·they·are·C·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·Erlang·code</span><span·class="w"> | 135 | without·having·to·bother·about·that·they·are·C·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·Erlang·code</span><span·class="w"> |
| 136 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 136 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 137 | </span><span·class="n">Res</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">complex</span><span·class="p">:</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 137 | </span><span·class="n">Res</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">complex</span><span·class="p">:</span><span·class="nf">foo</span><span·class="p"·data-group-id="3811056995-1">(</span><span·class="n">X</span><span·class="p"·data-group-id="3811056995-1">)</span><span·class="p">,</span><span·class="w"> |
| 138 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Here,·the·communication·with·C·is·hidden·in·the·implementation·of·<code·class="inline">complex.erl</code>. | 138 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Here,·the·communication·with·C·is·hidden·in·the·implementation·of·<code·class="inline">complex.erl</code>. |
| 139 | In·the·following·sections,·it·is·shown·how·this·module·can·be·implemented·using | 139 | In·the·following·sections,·it·is·shown·how·this·module·can·be·implemented·using |
| 140 | the·different·interoperability·mechanisms.</p> | 140 | the·different·interoperability·mechanisms.</p> |
| 141 | </div> | 141 | </div> |
| 142 | <div·class="bottom-actions"·id="bottom-actions"> | 142 | <div·class="bottom-actions"·id="bottom-actions"> |
| 143 | ··<div·class="bottom-actions-item"> | 143 | ··<div·class="bottom-actions-item"> |
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| 185 | ······<p·class="built-using"> | 185 | ······<p·class="built-using"> |
| 186 | ········Built·using | 186 | ········Built·using |
| 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 189 | ······</p> | 189 | ······</p> |
| 190 | <p>Copyright·©·1996-202 | 190 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 191 | ····</footer> | 191 | ····</footer> |
| 192 | ··</div> | 192 | ··</div> |
| 193 | </main> | 193 | </main> |
| 194 | </div> | 194 | </div> |
| 195 | <script> | 195 | <script> |
| 196 | ··function·mermaidLoaded()·{ | 196 | ··function·mermaidLoaded()·{ |
| 197 | ····mermaid.initialize({ | 197 | ····mermaid.initialize({ |
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| 235 | ······<p·class="built-using"> | 235 | ······<p·class="built-using"> |
| 236 | ········Built·using | 236 | ········Built·using |
| 237 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 237 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 238 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 238 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 239 | ······</p> | 239 | ······</p> |
| 240 | <p>Copyright·©·1996-202 | 240 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 241 | ····</footer> | 241 | ····</footer> |
| 242 | ··</div> | 242 | ··</div> |
| 243 | </main> | 243 | </main> |
| 244 | </div> | 244 | </div> |
| 245 | <script> | 245 | <script> |
| 246 | ··function·mermaidLoaded()·{ | 246 | ··function·mermaidLoaded()·{ |
| 247 | ····mermaid.initialize({ | 247 | ····mermaid.initialize({ |
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| 157 | ··<a·href="#example"·class="hover-link"> | 157 | ··<a·href="#example"·class="hover-link"> |
| 158 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 158 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 159 | ··</a> | 159 | ··</a> |
| 160 | ··<span·class="text">Example</span> | 160 | ··<span·class="text">Example</span> |
| 161 | </h2> | 161 | </h2> |
| 162 | <p>An·example·of·a·simple·server·written·in·plain·Erlang·is·provided·in | 162 | <p>An·example·of·a·simple·server·written·in·plain·Erlang·is·provided·in |
| 163 | <a·href="design_principles.html#ch1">Overview</a>.·The·server·can·be·reimplemented·using | 163 | <a·href="design_principles.html#ch1">Overview</a>.·The·server·can·be·reimplemented·using |
| 164 | <code·class="inline">gen_server</code>,·resulting·in·this·callback·module:</p><p><a·href=""·id="ex"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 164 | <code·class="inline">gen_server</code>,·resulting·in·this·callback·module:</p><p><a·href=""·id="ex"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="0063696620-1">(</span><span·class="ss">ch3</span><span·class="p"·data-group-id="0063696620-1">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 165 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="0063696620-2">(</span><span·class="ss">gen_server</span><span·class="p"·data-group-id="0063696620-2">)</span><span·class="p">.</span><span·class="w"> |
| 166 | </span><span·class="w"> | 166 | </span><span·class="w"> |
| 167 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 167 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0063696620-3">(</span><span·class="p"·data-group-id="0063696620-4">[</span><span·class="ss">start_link</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="0063696620-4">]</span><span·class="p"·data-group-id="0063696620-3">)</span><span·class="p">.</span><span·class="w"> |
| 168 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 168 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0063696620-5">(</span><span·class="p"·data-group-id="0063696620-6">[</span><span·class="ss">alloc</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">free</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·116,·SHA:·59c17a1ac48365fde4d2672e616da896a75c9791dd5847a68303359e60b308d5·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 169 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 169 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0063696620-7">(</span><span·class="p"·data-group-id="0063696620-8">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">handle_call</span><span·class="p">/</sp[·...·truncated·by·diffoscope;·len:·254,·SHA:·ea0df201603623bc0d4956213d64b5ee1c117ccf10f21880dc072c7c77eb03f9·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 170 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 170 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id="0063696620-9">(</span><span·class="p"·data-group-id="0063696620-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 171 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 171 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="0063696620-10">(</span><span·class="p"·data-group-id="0063696620-11">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p"·data-group-id="0063696620-11">}</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·407,·SHA:·4a3626e2f7ff57e51dbb7ef4b47a67850231de74b9a813006c751f37c47ab2c6·...·]-10">)</span><span·class="p">.</span><span·class="w"> |
| 172 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id=" | 172 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id="0063696620-14">(</span><span·class="p"·data-group-id="0063696620-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 173 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 173 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="0063696620-15">(</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">alloc</span><span·class="p"·data-group-id="0063696620-15">)</span><span·class="p">.</span><span·class="w"> |
| 174 | </span><span·class="nf">free</span><span·class="p"·data-group-id=" | 174 | </span><span·class="nf">free</span><span·class="p"·data-group-id="0063696620-16">(</span><span·class="n">Ch</span><span·class="p"·data-group-id="0063696620-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 175 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id=" | 175 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id="0063696620-17">(</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0063696620-18">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><sp[·...·truncated·by·diffoscope;·len:·92,·SHA:·095904eb888487f863551a66d798b3d6fc04cc0dad68b31932e301ef6e00089f·...·]-17">)</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 176 | </span><span·class="nf">init</span><span·class="p"·data-group-id="0063696620-19">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p"·data-group-id="0063696620-19">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ····</span><span·class="p"·data-group-id=" | 177 | ····</span><span·class="p"·data-group-id="0063696620-20">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">channels</span><span·class="p"·data-group-id="0063696620-21">(</span><span·class="p"·data-group-id="0063696620-21">)</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·77a53cd75a03d4bd597ce60533202d28d730728079047720df136636480274aa·...·]-20">}</span><span·class="p">.</span><span·class="w"> |
| 178 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 178 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id="0063696620-22">(</span><span·class="ss">alloc</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·10,·SHA:·2da1b232ebf9b71f7a03534fbc996cb5f1eb9406dcdc119363ebfe7010ee23ea·...·]-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | ····</span><span·class="p"·data-group-id=" | 179 | ····</span><span·class="p"·data-group-id="0063696620-23">{</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="0063696620-23">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·143,·SHA:·a1d0cbe34b2fc581bdbe6294d226246ae0e3578c5d2f16a4fddca706b1689954·...·]-24">)</span><span·class="p">,</span><span·class="w"> |
| 180 | ····</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="p"·data-group-id="0063696620-25">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="0063696620-25">}</span><span·class="p">.</span><span·class="w"> |
| 181 | </span><span·class="nf">handle_cast</span><span·class="p"·data-group-id=" | 181 | </span><span·class="nf">handle_cast</span><span·class="p"·data-group-id="0063696620-26">(</span><span·class="p"·data-group-id="0063696620-27">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p"·data-group-id="0063696620-27">}</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·91,·SHA:·ee5e3a558f2a10ccffe306c804303bd40b8ceb6a5f8ae2dedb2ba76196a3e370·...·]-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 182 | ····</span><span·class="n">Chs2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id=" | 182 | ····</span><span·class="n">Chs2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id="0063696620-28">(</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="0063696620-28">)</span><span·class="p">,</span><span·class="w"> |
| 183 | ····</span><span·class="p"·data-group-id=" | 183 | ····</span><span·class="p"·data-group-id="0063696620-29">{</span><span·class="ss">noreply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="0063696620-29">}</span><span·class="p">.</span></code></pre><p>The·code·is·explained·in·the·next·sections.</p><h2·id="starting-a-gen_server"·class="section-heading"> |
| 184 | ··<a·href="#starting-a-gen_server"·class="hover-link"> | 184 | ··<a·href="#starting-a-gen_server"·class="hover-link"> |
| 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 186 | ··</a> | 186 | ··</a> |
| 187 | ··<span·class="text">Starting·a·Gen_Server</span> | 187 | ··<span·class="text">Starting·a·Gen_Server</span> |
| 188 | </h2> | 188 | </h2> |
| 189 | <p>In·the·example·in·the·previous·section,·<code·class="inline">gen_server</code>·is·started·by·calling | 189 | <p>In·the·example·in·the·previous·section,·<code·class="inline">gen_server</code>·is·started·by·calling |
| 190 | <code·class="inline">ch3:start_link()</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 190 | <code·class="inline">ch3:start_link()</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start_link</span><span·class="p"·data-group-id="5819184584-1">(</span><span·class="p"·data-group-id="5819184584-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 191 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 191 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="5819184584-2">(</span><span·class="p"·data-group-id="5819184584-3">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p"·data-group-id="5819184584-3">}</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·682,·SHA:·dee295ff21bf2722f494a57cd3bbbd5ee26ca60fad7d10a601b8d41fa9ca03d5·...·]-6">}</span></code></pre><p><code·class="inline">start_link/0</code>·calls·function·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#start_link/4"><code·class="inline">gen_server:start_link/4</code></a>.··This·function |
| 192 | spawns·and·links·to·a·new·process,·a·<code·class="inline">gen_server</code>.</p><ul><li><p>The·first·argument,·<code·class="inline">{local,·ch3}</code>,·specifies·the·name. | 192 | spawns·and·links·to·a·new·process,·a·<code·class="inline">gen_server</code>.</p><ul><li><p>The·first·argument,·<code·class="inline">{local,·ch3}</code>,·specifies·the·name. |
| 193 | The·gen_server·is·then·locally·registered·as·<code·class="inline">ch3</code>.</p><p>If·the·name·is·omitted,·the·<code·class="inline">gen_server</code>·is·not·registered.·Instead·its·pid | 193 | The·gen_server·is·then·locally·registered·as·<code·class="inline">ch3</code>.</p><p>If·the·name·is·omitted,·the·<code·class="inline">gen_server</code>·is·not·registered.·Instead·its·pid |
| 194 | must·be·used.·The·name·can·also·be·given·as·<code·class="inline">{global,·Name}</code>,·in·which·case | 194 | must·be·used.·The·name·can·also·be·given·as·<code·class="inline">{global,·Name}</code>,·in·which·case |
| 195 | the·<code·class="inline">gen_server</code>·is·registered·using·<a·href="../../lib/kernel-10.2.3/doc/html/global.html#register_name/2"><code·class="inline">global:register_name/2</code></a>.</p></li><li><p>The·second·argument,·<code·class="inline">ch3</code>,·is·the·name·of·the·callback·module,·which·is | 195 | the·<code·class="inline">gen_server</code>·is·registered·using·<a·href="../../lib/kernel-10.2.3/doc/html/global.html#register_name/2"><code·class="inline">global:register_name/2</code></a>.</p></li><li><p>The·second·argument,·<code·class="inline">ch3</code>,·is·the·name·of·the·callback·module,·which·is |
| 196 | the·module·where·the·callback·functions·are·located.</p><p>The·interface·functions·(<code·class="inline">start_link/0</code>,·<code·class="inline">alloc/0</code>,·and·<code·class="inline">free/1</code>)·are·located | 196 | the·module·where·the·callback·functions·are·located.</p><p>The·interface·functions·(<code·class="inline">start_link/0</code>,·<code·class="inline">alloc/0</code>,·and·<code·class="inline">free/1</code>)·are·located |
| 197 | in·the·same·module·as·the·callback·functions·(<code·class="inline">init/1</code>,·<code·class="inline">handle_call/3</code>,·and | 197 | in·the·same·module·as·the·callback·functions·(<code·class="inline">init/1</code>,·<code·class="inline">handle_call/3</code>,·and |
| 198 | <code·class="inline">handle_cast/2</code>).·It·is·usually·good·programming·practice·to·have·the·code | 198 | <code·class="inline">handle_cast/2</code>).·It·is·usually·good·programming·practice·to·have·the·code |
| 199 | corresponding·to·one·process·contained·in·a·single·module.</p></li><li><p>The·third·argument,·<code·class="inline">[]</code>,·is·a·term·that·is·passed·as·is·to·the·callback | 199 | corresponding·to·one·process·contained·in·a·single·module.</p></li><li><p>The·third·argument,·<code·class="inline">[]</code>,·is·a·term·that·is·passed·as·is·to·the·callback |
| 200 | function·<code·class="inline">init</code>.·Here,·<code·class="inline">init</code>·does·not·need·any·indata·and·ignores·the | 200 | function·<code·class="inline">init</code>.·Here,·<code·class="inline">init</code>·does·not·need·any·indata·and·ignores·the |
| 201 | argument.</p></li><li><p>The·fourth·argument,·<code·class="inline">[]</code>,·is·a·list·of·options.·See·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html"><code·class="inline">gen_server</code></a> | 201 | argument.</p></li><li><p>The·fourth·argument,·<code·class="inline">[]</code>,·is·a·list·of·options.·See·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html"><code·class="inline">gen_server</code></a> |
| 202 | for·the·available·options.</p></li></ul><p>If·name·registration·succeeds,·the·new·<code·class="inline">gen_server</code>·process·calls·the·callback | 202 | for·the·available·options.</p></li></ul><p>If·name·registration·succeeds,·the·new·<code·class="inline">gen_server</code>·process·calls·the·callback |
| 203 | function·<code·class="inline">ch3:init([])</code>.·<code·class="inline">init</code>·is·expected·to·return·<code·class="inline">{ok,·State}</code>,·where | 203 | function·<code·class="inline">ch3:init([])</code>.·<code·class="inline">init</code>·is·expected·to·return·<code·class="inline">{ok,·State}</code>,·where |
| 204 | <code·class="inline">State</code>·is·the·internal·state·of·the·<code·class="inline">gen_server</code>.·In·this·case,·the·state·is | 204 | <code·class="inline">State</code>·is·the·internal·state·of·the·<code·class="inline">gen_server</code>.·In·this·case,·the·state·is |
| 205 | the·available·channels.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id="0 | 205 | the·available·channels.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id="0261006644-1">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p"·data-group-id="0261006644-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 206 | ····</span><span·class="p"·data-group-id="0 | 206 | ····</span><span·class="p"·data-group-id="0261006644-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">channels</span><span·class="p"·data-group-id="0261006644-3">(</span><span·class="p"·data-group-id="0261006644-3">)</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·18,·SHA:·f7207ca257ba0e5346b7deae7454e19ade468e473081e73b07f79b5c4337a597·...·]-2">}</span><span·class="p">.</span></code></pre><p><a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#start_link/4"><code·class="inline">gen_server:start_link/4</code></a>·is·synchronous.·It·does·not·return·until·the |
| 207 | <code·class="inline">gen_server</code>·has·been·initialized·and·is·ready·to·receive·requests.</p><p><a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#start_link/4"><code·class="inline">gen_server:start_link/4</code></a>·must·be·used·if·the·<code·class="inline">gen_server</code>·is·part·of | 207 | <code·class="inline">gen_server</code>·has·been·initialized·and·is·ready·to·receive·requests.</p><p><a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#start_link/4"><code·class="inline">gen_server:start_link/4</code></a>·must·be·used·if·the·<code·class="inline">gen_server</code>·is·part·of |
| 208 | a·supervision·tree,·meaning·that·it·was·started·by·a·supervisor.·There | 208 | a·supervision·tree,·meaning·that·it·was·started·by·a·supervisor.·There |
| 209 | is·another·function,·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#start/4"><code·class="inline">gen_server:start/4</code></a>,·to·start·a·standalone | 209 | is·another·function,·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#start/4"><code·class="inline">gen_server:start/4</code></a>,·to·start·a·standalone |
| 210 | <code·class="inline">gen_server</code>·that·is·not·part·of·a·supervision·tree.</p><h2·id="synchronous-requests-call"·class="section-heading"> | 210 | <code·class="inline">gen_server</code>·that·is·not·part·of·a·supervision·tree.</p><h2·id="synchronous-requests-call"·class="section-heading"> |
| 211 | ··<a·href="#synchronous-requests-call"·class="hover-link"> | 211 | ··<a·href="#synchronous-requests-call"·class="hover-link"> |
| 212 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 212 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 213 | ··</a> | 213 | ··</a> |
| Offset 221, 32 lines modified | Offset 221, 32 lines modified | ||
| 221 | </h2> | 221 | </h2> |
| 222 | <p>The·synchronous·request·<code·class="inline">alloc()</code>·is·implemented·using·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#call/2"><code·class="inline">gen_server:call/2</code></a>:</p><pre><code·class="text">alloc()·-> | 222 | <p>The·synchronous·request·<code·class="inline">alloc()</code>·is·implemented·using·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#call/2"><code·class="inline">gen_server:call/2</code></a>:</p><pre><code·class="text">alloc()·-> |
| 223 | ····gen_server:call(ch3,·alloc).</code></pre><p><code·class="inline">ch3</code>·is·the·name·of·the·<code·class="inline">gen_server</code>·and·must·agree·with·the·name | 223 | ····gen_server:call(ch3,·alloc).</code></pre><p><code·class="inline">ch3</code>·is·the·name·of·the·<code·class="inline">gen_server</code>·and·must·agree·with·the·name |
| 224 | used·to·start·it.·<code·class="inline">alloc</code>·is·the·actual·request.</p><p>The·request·is·made·into·a·message·and·sent·to·the·<code·class="inline">gen_server</code>. | 224 | used·to·start·it.·<code·class="inline">alloc</code>·is·the·actual·request.</p><p>The·request·is·made·into·a·message·and·sent·to·the·<code·class="inline">gen_server</code>. |
| 225 | When·the·request·is·received,·the·<code·class="inline">gen_server</code>·calls | 225 | When·the·request·is·received,·the·<code·class="inline">gen_server</code>·calls |
| 226 | <code·class="inline">handle_call(Request,·From,·State)</code>,·which·is·expected·to·return | 226 | <code·class="inline">handle_call(Request,·From,·State)</code>,·which·is·expected·to·return |
| 227 | a·tuple·<code·class="inline">{reply,Reply,State1}</code>.·<code·class="inline">Reply</code>·is·the·reply·that·is·to·be·sent·back | 227 | a·tuple·<code·class="inline">{reply,Reply,State1}</code>.·<code·class="inline">Reply</code>·is·the·reply·that·is·to·be·sent·back |
| 228 | to·the·client,·and·<code·class="inline">State1</code>·is·a·new·value·for·the·state·of·the·<code·class="inline">gen_server</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 228 | to·the·client,·and·<code·class="inline">State1</code>·is·a·new·value·for·the·state·of·the·<code·class="inline">gen_server</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_call</span><span·class="p"·data-group-id="6467331806-1">(</span><span·class="ss">alloc</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="6[·...·truncated·by·diffoscope;·len:·9,·SHA:·ec89a874104d1dae0e67c8304ebb70ac0b6b2a3514479848b8229c25a69ccde0·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 229 | ····</span><span·class="p"·data-group-id=" | 229 | ····</span><span·class="p"·data-group-id="6467331806-2">{</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="6467331806-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·140,·SHA:·0106b0951c94651ddf109b8e1d9377f5e69455376abf0b4d157049b6862985fa·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 230 | ····</span><span·class="p"·data-group-id=" | 230 | ····</span><span·class="p"·data-group-id="6467331806-4">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="6467331806-4">}</span><span·class="p">.</span></code></pre><p>In·this·case,·the·reply·is·the·allocated·channel·<code·class="inline">Ch</code>·and·the·new·state·is·the |
| 231 | set·of·remaining·available·channels·<code·class="inline">Chs2</code>.</p><p>Thus,·the·call·<code·class="inline">ch3:alloc()</code>·returns·the·allocated·channel·<code·class="inline">Ch</code>·and·the | 231 | set·of·remaining·available·channels·<code·class="inline">Chs2</code>.</p><p>Thus,·the·call·<code·class="inline">ch3:alloc()</code>·returns·the·allocated·channel·<code·class="inline">Ch</code>·and·the |
| 232 | <code·class="inline">gen_server</code>·then·waits·for·new·requests,·now·with·an·updated·list·of | 232 | <code·class="inline">gen_server</code>·then·waits·for·new·requests,·now·with·an·updated·list·of |
| 233 | available·channels.</p><h2·id="asynchronous-requests-cast"·class="section-heading"> | 233 | available·channels.</p><h2·id="asynchronous-requests-cast"·class="section-heading"> |
| 234 | ··<a·href="#asynchronous-requests-cast"·class="hover-link"> | 234 | ··<a·href="#asynchronous-requests-cast"·class="hover-link"> |
| 235 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 235 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 236 | ··</a> | 236 | ··</a> |
| 237 | ··<span·class="text">Asynchronous·Requests·-·Cast</span> | 237 | ··<span·class="text">Asynchronous·Requests·-·Cast</span> |
| 238 | </h2> | 238 | </h2> |
| 239 | <p>The·asynchronous·request·<code·class="inline">free(Ch)</code>·is·implemented·using·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#cast/2"><code·class="inline">gen_server:cast/2</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">free</span><span·class="p"·data-group-id=" | 239 | <p>The·asynchronous·request·<code·class="inline">free(Ch)</code>·is·implemented·using·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#cast/2"><code·class="inline">gen_server:cast/2</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">free</span><span·class="p"·data-group-id="1084225556-1">(</span><span·class="n">Ch</span><span·class="p"·data-group-id="1084225556-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 240 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id=" | 240 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id="1084225556-2">(</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1084225556-3">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span[·...·truncated·by·diffoscope;·len:·89,·SHA:·e06861e824e7a886dc265aa808e03ac20cbfb1cf4ae31da5ca56323d5b2368c0·...·]-2">)</span><span·class="p">.</span></code></pre><p><code·class="inline">ch3</code>·is·the·name·of·the·<code·class="inline">gen_server</code>.·<code·class="inline">{free,·Ch}</code>·is·the·actual·request.</p><p>The·request·is·made·into·a·message·and·sent·to·the·<code·class="inline">gen_server</code>. |
| 241 | <code·class="inline">cast</code>,·and·thus·<code·class="inline">free</code>,·then·returns·<code·class="inline">ok</code>.</p><p>When·the·request·is·received,·the·<code·class="inline">gen_server</code>·calls | 241 | <code·class="inline">cast</code>,·and·thus·<code·class="inline">free</code>,·then·returns·<code·class="inline">ok</code>.</p><p>When·the·request·is·received,·the·<code·class="inline">gen_server</code>·calls |
| 242 | <code·class="inline">handle_cast(Request,·State)</code>,·which·is·expected·to·return·a·tuple | 242 | <code·class="inline">handle_cast(Request,·State)</code>,·which·is·expected·to·return·a·tuple |
| 243 | <code·class="inline">{noreply,State1}</code>.·<code·class="inline">State1</code>·is·a·new·value·for·the·state·of·the·<code·class="inline">gen_server</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_cast</span><span·class="p"·data-group-id=" | 243 | <code·class="inline">{noreply,State1}</code>.·<code·class="inline">State1</code>·is·a·new·value·for·the·state·of·the·<code·class="inline">gen_server</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_cast</span><span·class="p"·data-group-id="5857344893-1">(</span><span·class="p"·data-group-id="5857344893-2">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p"·data-group-id="5857344893-2">}</span><span·class="p">,</span><sp[·...·truncated·by·diffoscope;·len:·88,·SHA:·a36a2ebee7817d6f59e6800b362dd455ada7cbba07543fdf690d3cc3d5498b43·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 244 | ····</span><span·class="n">Chs2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id=" | 244 | ····</span><span·class="n">Chs2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id="5857344893-3">(</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="5857344893-3">)</span><span·class="p">,</span><span·class="w"> |
| 245 | ····</span><span·class="p"·data-group-id=" | 245 | ····</span><span·class="p"·data-group-id="5857344893-4">{</span><span·class="ss">noreply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="5857344893-4">}</span><span·class="p">.</span></code></pre><p>In·this·case,·the·new·state·is·the·updated·list·of·available·channels·<code·class="inline">Chs2</code>. |
| 246 | The·<code·class="inline">gen_server</code>·is·now·ready·for·new·requests.</p><h2·id="stopping"·class="section-heading"> | 246 | The·<code·class="inline">gen_server</code>·is·now·ready·for·new·requests.</p><h2·id="stopping"·class="section-heading"> |
| 247 | ··<a·href="#stopping"·class="hover-link"> | 247 | ··<a·href="#stopping"·class="hover-link"> |
| 248 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 248 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 249 | ··</a> | 249 | ··</a> |
| 250 | ··<span·class="text">Stopping</span> | 250 | ··<span·class="text">Stopping</span> |
| 251 | </h2> | 251 | </h2> |
| 252 | <h3·id="in-a-supervision-tree"·class="section-heading"> | 252 | <h3·id="in-a-supervision-tree"·class="section-heading"> |
| Offset 257, 69 lines modified | Offset 257, 69 lines modified | ||
| 257 | </h3> | 257 | </h3> |
| 258 | <p>If·the·<code·class="inline">gen_server</code>·is·part·of·a·supervision·tree,·no·stop·function·is·needed. | 258 | <p>If·the·<code·class="inline">gen_server</code>·is·part·of·a·supervision·tree,·no·stop·function·is·needed. |
| 259 | The·<code·class="inline">gen_server</code>·is·automatically·terminated·by·its·supervisor.··Exactly·how | 259 | The·<code·class="inline">gen_server</code>·is·automatically·terminated·by·its·supervisor.··Exactly·how |
| 260 | this·is·done·is·defined·by·a·<a·href="sup_princ.html#shutdown">shutdown·strategy</a> | 260 | this·is·done·is·defined·by·a·<a·href="sup_princ.html#shutdown">shutdown·strategy</a> |
| 261 | set·in·the·supervisor.</p><p>If·it·is·necessary·to·clean·up·before·termination,·the·shutdown·strategy | 261 | set·in·the·supervisor.</p><p>If·it·is·necessary·to·clean·up·before·termination,·the·shutdown·strategy |
| 262 | must·be·a·time-out·value·and·the·<code·class="inline">gen_server</code>·must·be·set·to·trap·exit·signals | 262 | must·be·a·time-out·value·and·the·<code·class="inline">gen_server</code>·must·be·set·to·trap·exit·signals |
| 263 | in·function·<code·class="inline">init</code>.·When·ordered·to·shutdown,·the·<code·class="inline">gen_server</code>·then·calls | 263 | in·function·<code·class="inline">init</code>.·When·ordered·to·shutdown,·the·<code·class="inline">gen_server</code>·then·calls |
| 264 | the·callback·function·<code·class="inline">terminate(shutdown,·State)</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id="9 | 264 | the·callback·function·<code·class="inline">terminate(shutdown,·State)</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id="9323543581-1">(</span><span·class="n">Args</span><span·class="p"·data-group-id="9323543581-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 265 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w"> | 265 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w"> |
| 266 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id="9 | 266 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id="9323543581-2">(</span><span·class="ss">trap_exit</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="9323543581-2">)</span><span·class="p">,</span><span·class="w"> |
| 267 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w"> | 267 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w"> |
| 268 | ····</span><span·class="p"·data-group-id="9 | 268 | ····</span><span·class="p"·data-group-id="9323543581-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="9323543581-3">}</span><span·class="p">.</span><span·class="w"> |
| 269 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 269 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 270 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id="9 | 270 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id="9323543581-4">(</span><span·class="ss">shutdown</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="9323543581-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 271 | ····</span><span·class="c1">%%·Code·for·cleaning·up·here</span><span·class="w"> | 271 | ····</span><span·class="c1">%%·Code·for·cleaning·up·here</span><span·class="w"> |
| 272 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 272 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 273 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><h3·id="standalone-gen_servers"·class="section-heading"> | 273 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><h3·id="standalone-gen_servers"·class="section-heading"> |
| 274 | ··<a·href="#standalone-gen_servers"·class="hover-link"> | 274 | ··<a·href="#standalone-gen_servers"·class="hover-link"> |
| 275 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 275 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 276 | ··</a> | 276 | ··</a> |
| 277 | ··<span·class="text">Standalone·Gen_Servers</span> | 277 | ··<span·class="text">Standalone·Gen_Servers</span> |
| 278 | </h3> | 278 | </h3> |
| 279 | <p>If·the·<code·class="inline">gen_server</code>·is·not·part·of·a·supervision·tree,·a·stop·function | 279 | <p>If·the·<code·class="inline">gen_server</code>·is·not·part·of·a·supervision·tree,·a·stop·function |
| 280 | can·be·useful,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 280 | can·be·useful,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 281 | </span><span·class="nf">export</span><span·class="p"·data-group-id="0 | 281 | </span><span·class="nf">export</span><span·class="p"·data-group-id="0534925951-1">(</span><span·class="p"·data-group-id="0534925951-2">[</span><span·class="ss">stop</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="0534925951-2">]</span><span·class="p"·data-group-id="0534925951-1">)</span><span·class="p">.</span><span·class="w"> |
| 282 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 282 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 283 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="0 | 283 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="0534925951-3">(</span><span·class="p"·data-group-id="0534925951-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
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| 181 | ······<p·class="built-using"> | 181 | ······<p·class="built-using"> |
| 182 | ········Built·using | 182 | ········Built·using |
| 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 185 | ······</p> | 185 | ······</p> |
| 186 | <p>Copyright·©·1996-202 | 186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 187 | ····</footer> | 187 | ····</footer> |
| 188 | ··</div> | 188 | ··</div> |
| 189 | </main> | 189 | </main> |
| 190 | </div> | 190 | </div> |
| 191 | <script> | 191 | <script> |
| 192 | ··function·mermaidLoaded()·{ | 192 | ··function·mermaidLoaded()·{ |
| 193 | ····mermaid.initialize({ | 193 | ····mermaid.initialize({ |
| Offset 161, 75 lines modified | Offset 161, 75 lines modified | ||
| 161 | belonging·to·the·primary·application.</p><h2·id="specifying-included-applications"·class="section-heading"> | 161 | belonging·to·the·primary·application.</p><h2·id="specifying-included-applications"·class="section-heading"> |
| 162 | ··<a·href="#specifying-included-applications"·class="hover-link"> | 162 | ··<a·href="#specifying-included-applications"·class="hover-link"> |
| 163 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 163 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 164 | ··</a> | 164 | ··</a> |
| 165 | ··<span·class="text">Specifying·Included·Applications</span> | 165 | ··<span·class="text">Specifying·Included·Applications</span> |
| 166 | </h2> | 166 | </h2> |
| 167 | <p>Which·applications·to·include·is·defined·by·the·<code·class="inline">included_applications</code>·key·in | 167 | <p>Which·applications·to·include·is·defined·by·the·<code·class="inline">included_applications</code>·key·in |
| 168 | the·<code·class="inline">.app</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 168 | the·<code·class="inline">.app</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0727847689-1">{</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">prim_app</span><span·class="p">,</span><span·class="w"> |
| 169 | ·</span><span·class="p"·data-group-id=" | 169 | ·</span><span·class="p"·data-group-id="0727847689-2">[</span><span·class="p"·data-group-id="0727847689-3">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Tree·application"</span><span·class="p"·data-group-id="0727847689-3">}</span><span·class="p">,</span><span·class="w"> |
| 170 | ··</span><span·class="p"·data-group-id=" | 170 | ··</span><span·class="p"·data-group-id="0727847689-4">{</span><span·class="ss">vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"1"</span><span·class="p"·data-group-id="0727847689-4">}</span><span·class="p">,</span><span·class="w"> |
| 171 | ··</span><span·class="p"·data-group-id=" | 171 | ··</span><span·class="p"·data-group-id="0727847689-5">{</span><span·class="ss">modules</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0727847689-6">[</span><span·class="ss">prim_app_cb</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">pr[·...·truncated·by·diffoscope;·len:·198,·SHA:·a5ffb877ef3fc657cf40dd42b016e1103575d5a5c9efb5db41a087661e50ac31·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 172 | ··</span><span·class="p"·data-group-id=" | 172 | ··</span><span·class="p"·data-group-id="0727847689-7">{</span><span·class="ss">registered</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0727847689-8">[</span><span·class="ss">prim_app_server</span><span·class="p"·data-group-id="0727847689-8">]</span><span·c[·...·truncated·by·diffoscope;·len:·34,·SHA:·0e4ba475c599c887b269bbd44285a031936a49511d7e20b08587963fcd08e29b·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 173 | ··</span><span·class="p"·data-group-id=" | 173 | ··</span><span·class="p"·data-group-id="0727847689-9">{</span><span·class="ss">included_applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0727847689-10">[</span><span·class="ss">incl_app</span><span·class="p"·data-group-id="0727847689-10">]</span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·08a0d413dec17109f39e738d5cf4479f8d5eff03755335a2c038f0d8ae3650d3·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 174 | ··</span><span·class="p"·data-group-id=" | 174 | ··</span><span·class="p"·data-group-id="0727847689-11">{</span><span·class="ss">applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0727847689-12">[</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·184,·SHA:·9fdf76a802188be96d9ca13a5a9ba53ab2f8390e73c1f1c969f8a617de3f4c64·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 175 | ··</span><span·class="p"·data-group-id="7685302315-13">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7685302315-14">{</span><span·class="ss">prim_app_cb</span><span·class="p">,</span><span·class="p"·data-group-id="7685302315-15">[</span><span·class="p"·data-group-id="7685302315-15">]</span><span·class="p"·data-group-id="7685302315-14">}</span><span·class="p"·data-group-id="7685302315-13">}</span><span·class="p">,</span><span·class="w"> | ||
| 176 | ··</span><span·class="p"·data-group-id="7685302315-16">{</span><span·class="ss">env</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7685302315-17">[</span><span·class="p"·data-group-id="7685302315-18">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/usr/local/log"</span><span·class="p"·data-group-id="7685302315-18">}</span><span·class="p"·data-group-id="7685302315-17">]</span><span·class="p"·data-group-id="7685302315-16">}</span><span·class="w"> | ||
| 177 | ·</span><span·class="p"·data-group-id="768 | 175 | ··</span><span·class="p"·data-group-id="0727847689-13">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0727847689-14">{</span><span·class="ss">prim_app_cb</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·248,·SHA:·763c054244783892d0d82dfcb800683bb91a579109eb270e26510c64f49f8256·...·]"> |
| 176 | ··</span><span·class="p"·data-group-id="0727847689-16">{</span><span·class="ss">env</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0727847689-17">[</span><span·class="p"·data-group-id="0727847689-18">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/usr/local/log"</span><span·class="p"·data-group-id="0727847689-18">}</span><span·class="p"·data-group-id="0727847689-17">]</span><span·class="p"·data-group-id="0727847689-16">}</span><span·class="w"> | ||
| 177 | ·</span><span·class="p"·data-group-id="0727847689-2">]</span><span·class="p"·data-group-id="0727847689-1">}</span><span·class="p">.</span></code></pre><h2·id="synchronizing-processes-during-startup"·class="section-heading"> | ||
| 178 | ··<a·href="#synchronizing-processes-during-startup"·class="hover-link"> | 178 | ··<a·href="#synchronizing-processes-during-startup"·class="hover-link"> |
| 179 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 179 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 180 | ··</a> | 180 | ··</a> |
| 181 | ··<span·class="text">Synchronizing·Processes·during·Startup</span> | 181 | ··<span·class="text">Synchronizing·Processes·during·Startup</span> |
| 182 | </h2> | 182 | </h2> |
| 183 | <p>The·supervisor·tree·of·an·included·application·is·started·as·part·of·the | 183 | <p>The·supervisor·tree·of·an·included·application·is·started·as·part·of·the |
| 184 | supervisor·tree·of·the·including·application.·If·there·is·a·need·for | 184 | supervisor·tree·of·the·including·application.·If·there·is·a·need·for |
| 185 | synchronization·between·processes·in·the·including·and·included·applications, | 185 | synchronization·between·processes·in·the·including·and·included·applications, |
| 186 | this·can·be·achieved·by·using·<em>start·phases</em>.</p><p>Start·phases·are·defined·by·the·<code·class="inline">start_phases</code>·key·in·the·<code·class="inline">.app</code>·file·as·a·list | 186 | this·can·be·achieved·by·using·<em>start·phases</em>.</p><p>Start·phases·are·defined·by·the·<code·class="inline">start_phases</code>·key·in·the·<code·class="inline">.app</code>·file·as·a·list |
| 187 | of·tuples·<code·class="inline">{Phase,PhaseArgs}</code>,·where·<code·class="inline">Phase</code>·is·an·atom·and·<code·class="inline">PhaseArgs</code>·is·a | 187 | of·tuples·<code·class="inline">{Phase,PhaseArgs}</code>,·where·<code·class="inline">Phase</code>·is·an·atom·and·<code·class="inline">PhaseArgs</code>·is·a |
| 188 | term.</p><p>The·value·of·the·<code·class="inline">mod</code>·key·of·the·including·application·must·be·set·to | 188 | term.</p><p>The·value·of·the·<code·class="inline">mod</code>·key·of·the·including·application·must·be·set·to |
| 189 | <code·class="inline">{application_starter,[Module,StartArgs]}</code>,·where·<code·class="inline">Module</code>·as·usual·is·the | 189 | <code·class="inline">{application_starter,[Module,StartArgs]}</code>,·where·<code·class="inline">Module</code>·as·usual·is·the |
| 190 | application·callback·module.·<code·class="inline">StartArgs</code>·is·a·term·provided·as·argument·to·the | 190 | application·callback·module.·<code·class="inline">StartArgs</code>·is·a·term·provided·as·argument·to·the |
| 191 | callback·function·<code·class="inline">Module:start/2</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 191 | callback·function·<code·class="inline">Module:start/2</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2749493331-1">{</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">prim_app</span><span·class="p">,</span><span·class="w"> |
| 192 | ·</span><span·class="p"·data-group-id=" | 192 | ·</span><span·class="p"·data-group-id="2749493331-2">[</span><span·class="p"·data-group-id="2749493331-3">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Tree·application"</span><span·class="p"·data-group-id="2749493331-3">}</span><span·class="p">,</span><span·class="w"> |
| 193 | ··</span><span·class="p"·data-group-id=" | 193 | ··</span><span·class="p"·data-group-id="2749493331-4">{</span><span·class="ss">vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"1"</span><span·class="p"·data-group-id="2749493331-4">}</span><span·class="p">,</span><span·class="w"> |
| 194 | ··</span><span·class="p"·data-group-id=" | 194 | ··</span><span·class="p"·data-group-id="2749493331-5">{</span><span·class="ss">modules</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-6">[</span><span·class="ss">prim_app_cb</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">pr[·...·truncated·by·diffoscope;·len:·198,·SHA:·f8f677ea1f94c1805ddcab0dbda680ec577977cf1a3e7db8629ec78ddd8cb364·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 195 | ··</span><span·class="p"·data-group-id=" | 195 | ··</span><span·class="p"·data-group-id="2749493331-7">{</span><span·class="ss">registered</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-8">[</span><span·class="ss">prim_app_server</span><span·class="p"·data-group-id="2749493331-8">]</span><span·c[·...·truncated·by·diffoscope;·len:·34,·SHA:·f8f9ca0ac85c49e48d9c97d70a8b26781c5a13cc5d9a6d91370af487fc2fb1db·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 196 | ··</span><span·class="p"·data-group-id=" | 196 | ··</span><span·class="p"·data-group-id="2749493331-9">{</span><span·class="ss">included_applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-10">[</span><span·class="ss">incl_app</span><span·class="p"·data-group-id="2749493331-10">]</span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·5d7e4f2a5947fb0e168b5303b8a3663ea233b3acf87c0c50cab46afd1bd21494·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 197 | ··</span><span·class="p"·data-group-id=" | 197 | ··</span><span·class="p"·data-group-id="2749493331-11">{</span><span·class="ss">start_phases</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-12">[</span><span·class="p"·data-group-id="2749493331-13">{</span><span·class="ss">init</span><span·class="[·...·truncated·by·diffoscope;·len:·582,·SHA:·e03c0739dae9bba4746044cf001ff1138539a3875d90fb2ad9addcd4fe933f78·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 198 | ··</span><span·class="p"·data-group-id=" | 198 | ··</span><span·class="p"·data-group-id="2749493331-17">{</span><span·class="ss">applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-18">[</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·184,·SHA:·0e923fc8cfbeef59d8e9e9cd879e3f60ba658a9bec9c40c1304b899e9bca9610·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 199 | ··</span><span·class="p"·data-group-id="0773796294-19">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0773796294-20">{</span><span·class="ss">application_starter</span><span·class="p">,</span><span·class="p"·data-group-id="0773796294-21">[</span><span·class="ss">prim_app_cb</span><span·class="p">,</span><span·class="p"·data-group-id="0773796294-22">[</span><span·class="p"·data-group-id="0773796294-22">]</span><span·class="p"·data-group-id="0773796294-21">]</span><span·class="p"·data-group-id="0773796294-20">}</span><span·class="p"·data-group-id="0773796294-19">}</span><span·class="p">,</span><span·class="w"> | ||
| 200 | ··</span><span·class="p"·data-group-id=" | 199 | ··</span><span·class="p"·data-group-id="2749493331-19">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-20">{</span><span·class="ss">application_starter</span><span·class="p">,</span><span·class="p"·data-group-id="274949[·...·truncated·by·diffoscope;·len:·363,·SHA:·fb40a033bf54af2b8bd5f89afbde2417cc80ed247d1ec26b85234ec64160768b·...·]</span><span·class="w"> |
| 200 | ··</span><span·class="p"·data-group-id="2749493331-23">{</span><span·class="ss">env</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-24">[</span><span·class="p"·data-group-id="2749493331-25">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/usr/local/log"</span><span·class="p"·data-group-id="2749493331-25">}</span><span·class="p"·data-group-id="2749493331-24">]</span><span·class="p"·data-group-id="2749493331-23">}</span><span·class="w"> | ||
| 201 | ·</span><span·class="p"·data-group-id=" | 201 | ·</span><span·class="p"·data-group-id="2749493331-2">]</span><span·class="p"·data-group-id="2749493331-1">}</span><span·class="p">.</span><span·class="w"> |
| 202 | </span><span·class="p"·data-group-id=" | 202 | </span><span·class="p"·data-group-id="2749493331-26">{</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">incl_app</span><span·class="p">,</span><span·class="w"> |
| 203 | ·</span><span·class="p"·data-group-id=" | 203 | ·</span><span·class="p"·data-group-id="2749493331-27">[</span><span·class="p"·data-group-id="2749493331-28">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Included·application"</span><span·class="p"·data-group-id="2749493331-28">}</span><span·class="p">,</span><span·class="w"> |
| 204 | ··</span><span·class="p"·data-group-id=" | 204 | ··</span><span·class="p"·data-group-id="2749493331-29">{</span><span·class="ss">vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"1"</span><span·class="p"·data-group-id="2749493331-29">}</span><span·class="p">,</span><span·class="w"> |
| 205 | ··</span><span·class="p"·data-group-id=" | 205 | ··</span><span·class="p"·data-group-id="2749493331-30">{</span><span·class="ss">modules</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-31">[</span><span·class="ss">incl_app_cb</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·201,·SHA:·4e415ec58b48cecd171745b52a23ba7ff04561060ffe6703e659e3e64025f25c·...·]-30">}</span><span·class="p">,</span><span·class="w"> |
| 206 | ··</span><span·class="p"·data-group-id=" | 206 | ··</span><span·class="p"·data-group-id="2749493331-32">{</span><span·class="ss">registered</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-33">[</span><span·class="p"·data-group-id="2749493331-33">]</span><span·class="p"·data-group-id="2749493331-32">}</span><span·class="p">,</span><span·class="w"> |
| 207 | ··</span><span·class="p"·data-group-id=" | 207 | ··</span><span·class="p"·data-group-id="2749493331-34">{</span><span·class="ss">start_phases</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-35">[</span><span·class="p"·data-group-id="2749493331-36">{</span><span·class="ss">go</span><span·class="p"[·...·truncated·by·diffoscope;·len:·266,·SHA:·d1ce9bd352d604c9260cafed2c5f5c35660acee73fa591817146d3e1ede28a53·...·]-34">}</span><span·class="p">,</span><span·class="w"> |
| 208 | ··</span><span·class="p"·data-group-id=" | 208 | ··</span><span·class="p"·data-group-id="2749493331-38">{</span><span·class="ss">applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-39">[</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·184,·SHA:·d5eb3b875d79303da99ed01e42a6e9e2164a51f5c6a3b37d21d1716f0082d955·...·]-38">}</span><span·class="p">,</span><span·class="w"> |
| 209 | ··</span><span·class="p"·data-group-id="0773796294-40">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0773796294-41">{</span><span·class="ss">incl_app_cb</span><span·class="p">,</span><span·class="p"·data-group-id="0773796294-42">[</span><span·class="p"·data-group-id="0773796294-42">]</span><span·class="p"·data-group-id="0773796294-41">}</span><span·class="p"·data-group-id="0773796294-40">}</span><span·class="w"> | ||
| 210 | ·</span><span·class="p"·data-group-id=" | 209 | ··</span><span·class="p"·data-group-id="2749493331-40">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2749493331-41">{</span><span·class="ss">incl_app_cb</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·226,·SHA:·44f5aba741be8a006ef8ef544ab35be1c5ad6963f17396bb7d02035d92e9d9e8·...·] |
| 210 | ·</span><span·class="p"·data-group-id="2749493331-27">]</span><span·class="p"·data-group-id="2749493331-26">}</span><span·class="p">.</span></code></pre><p>When·starting·a·primary·application·with·included·applications,·the·primary | ||
| 211 | application·is·started·the·normal·way,·that·is:</p><ul><li>The·application·controller·creates·an·application·master·for·the·application</li><li>The·application·master·calls·<code·class="inline">Module:start(normal,·StartArgs)</code>·to·start·the | 211 | application·is·started·the·normal·way,·that·is:</p><ul><li>The·application·controller·creates·an·application·master·for·the·application</li><li>The·application·master·calls·<code·class="inline">Module:start(normal,·StartArgs)</code>·to·start·the |
| 212 | top·supervisor.</li></ul><p>Then,·for·the·primary·application·and·each·included·application·in·top-down, | 212 | top·supervisor.</li></ul><p>Then,·for·the·primary·application·and·each·included·application·in·top-down, |
| 213 | left-to-right·order,·the·application·master·calls | 213 | left-to-right·order,·the·application·master·calls |
| 214 | <code·class="inline">Module:start_phase(Phase,·Type,·PhaseArgs)</code>·for·each·phase·defined·for·the | 214 | <code·class="inline">Module:start_phase(Phase,·Type,·PhaseArgs)</code>·for·each·phase·defined·for·the |
| 215 | primary·application,·in·that·order.·If·a·phase·is·not·defined·for·an·included | 215 | primary·application,·in·that·order.·If·a·phase·is·not·defined·for·an·included |
| 216 | application,·the·function·is·not·called·for·this·phase·and·application.</p><p>The·following·requirements·apply·to·the·<code·class="inline">.app</code>·file·for·an·included·application:</p><ul><li>The·<code·class="inline">{mod,·{Module,StartArgs}}</code>·option·must·be·included.·This·option·is·used | 216 | application,·the·function·is·not·called·for·this·phase·and·application.</p><p>The·following·requirements·apply·to·the·<code·class="inline">.app</code>·file·for·an·included·application:</p><ul><li>The·<code·class="inline">{mod,·{Module,StartArgs}}</code>·option·must·be·included.·This·option·is·used |
| 217 | to·find·the·callback·module·<code·class="inline">Module</code>·of·the·application.·<code·class="inline">StartArgs</code>·is | 217 | to·find·the·callback·module·<code·class="inline">Module</code>·of·the·application.·<code·class="inline">StartArgs</code>·is |
| 218 | ignored,·as·<code·class="inline">Module:start/2</code>·is·called·only·for·the·primary·application.</li><li>If·the·included·application·itself·contains·included·applications,·instead·the | 218 | ignored,·as·<code·class="inline">Module:start/2</code>·is·called·only·for·the·primary·application.</li><li>If·the·included·application·itself·contains·included·applications,·instead·the |
| 219 | <code·class="inline">{mod,·{application_starter,·[Module,StartArgs]}}</code>·option·must·be·included.</li><li>The·<code·class="inline">{start_phases,·[{Phase,PhaseArgs}]}</code>·option·must·be·included,·and·the·set | 219 | <code·class="inline">{mod,·{application_starter,·[Module,StartArgs]}}</code>·option·must·be·included.</li><li>The·<code·class="inline">{start_phases,·[{Phase,PhaseArgs}]}</code>·option·must·be·included,·and·the·set |
| 220 | of·specified·phases·must·be·a·subset·of·the·set·of·phases·specified·for·the | 220 | of·specified·phases·must·be·a·subset·of·the·set·of·phases·specified·for·the |
| 221 | primary·application.</li></ul><p>When·starting·<code·class="inline">prim_app</code>·as·defined·above,·the·application·controller·calls·the | 221 | primary·application.</li></ul><p>When·starting·<code·class="inline">prim_app</code>·as·defined·above,·the·application·controller·calls·the |
| 222 | following·callback·functions·before·<code·class="inline">application:start(prim_app)</code>·returns·a | 222 | following·callback·functions·before·<code·class="inline">application:start(prim_app)</code>·returns·a |
| 223 | value:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">application</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="59 | 223 | value:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">application</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="5179294672-1">(</span><span·class="ss">prim_app</span><span·class="p"·data-group-id="5179294672-1">)</span><span·class="w"> |
| 224 | ·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">prim_app_cb</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="59 | 224 | ·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">prim_app_cb</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="5179294672-2">(</span><span·class="ss">normal</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5179294672-3">[</span><span·class="p"·data-group-id="5179294672-3">]</span><span·class="p"·data-group-id="5179294672-2">)</span><span·class="w"> |
| 225 | ·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">prim_app_cb</span><span·class="p">:</span><span·class="nf">start_phase</span><span·class="p"·data-group-id="59 | 225 | ·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">prim_app_cb</span><span·class="p">:</span><span·class="nf">start_phase</span><span·class="p"·data-group-id="5179294672-4">(</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">normal</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5179294672-5">[</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·66,·SHA:·0c7bc3e11e8434cf13d7b7647dcaf576c63733838ef69af972841eed18de8aff·...·]-4">)</span><span·class="w"> |
| 226 | ·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">prim_app_cb</span><span·class="p">:</span><span·class="nf">start_phase</span><span·class="p"·data-group-id="59 | 226 | ·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">prim_app_cb</span><span·class="p">:</span><span·class="nf">start_phase</span><span·class="p"·data-group-id="5179294672-6">(</span><span·class="ss">go</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">normal</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5179294672-7">[</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·64,·SHA:·9d818bc9e2ff1438dfadc5183b4c8d331b9405a4e8e82c0375f46b940f39b2a5·...·]-6">)</span><span·class="w"> |
| 227 | ·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">incl_app_cb</span><span·class="p">:</span><span·class="nf">start_phase</span><span·class="p"·data-group-id="59 | 227 | ·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">incl_app_cb</span><span·class="p">:</span><span·class="nf">start_phase</span><span·class="p"·data-group-id="5179294672-8">(</span><span·class="ss">go</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">normal</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5179294672-9">[</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·64,·SHA:·29335fb538800be883bd527631473b8955e02671a25c025bf114e45e5c7c84e8·...·]-8">)</span><span·class="w"> |
| 228 | </span><span·class="ss">ok</span></code></pre> | 228 | </span><span·class="ss">ok</span></code></pre> |
| 229 | </div> | 229 | </div> |
| 230 | <div·class="bottom-actions"·id="bottom-actions"> | 230 | <div·class="bottom-actions"·id="bottom-actions"> |
| 231 | ··<div·class="bottom-actions-item"> | 231 | ··<div·class="bottom-actions-item"> |
| 232 | ······<a·href="applications.html"·class="bottom-actions-button"·rel="prev"> | 232 | ······<a·href="applications.html"·class="bottom-actions-button"·rel="prev"> |
| Offset 273, 15 lines modified | Offset 273, 15 lines modified | ||
| 273 | ······<p·class="built-using"> | 273 | ······<p·class="built-using"> |
| 274 | ········Built·using | 274 | ········Built·using |
| 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 277 | ······</p> | 277 | ······</p> |
| 278 | <p>Copyright·©·1996-202 | 278 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 279 | ····</footer> | 279 | ····</footer> |
| 280 | ··</div> | 280 | ··</div> |
| 281 | </main> | 281 | </main> |
| 282 | </div> | 282 | </div> |
| 283 | <script> | 283 | <script> |
| 284 | ··function·mermaidLoaded()·{ | 284 | ··function·mermaidLoaded()·{ |
| 285 | ····mermaid.initialize({ | 285 | ····mermaid.initialize({ |
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| 484 | ······<p·class="built-using"> | 484 | ······<p·class="built-using"> |
| 485 | ········Built·using | 485 | ········Built·using |
| 486 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 486 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 487 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 487 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 488 | ······</p> | 488 | ······</p> |
| 489 | <p>Copyright·©·1996-202 | 489 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 490 | ····</footer> | 490 | ····</footer> |
| 491 | ··</div> | 491 | ··</div> |
| 492 | </main> | 492 | </main> |
| 493 | </div> | 493 | </div> |
| 494 | <script> | 494 | <script> |
| 495 | ··function·mermaidLoaded()·{ | 495 | ··function·mermaidLoaded()·{ |
| 496 | ····mermaid.initialize({ | 496 | ····mermaid.initialize({ |
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| 295 | </span><span·class="gp·unselectable">$·</span><span·class="">cd·erts/emulator | 295 | </span><span·class="gp·unselectable">$·</span><span·class="">cd·erts/emulator |
| 296 | </span><span·class="gp·unselectable">$·</span><span·class="">make·debug | 296 | </span><span·class="gp·unselectable">$·</span><span·class="">make·debug |
| 297 | </span><span·class="gp·unselectable">$·</span><span·class="">cd·../etc | 297 | </span><span·class="gp·unselectable">$·</span><span·class="">cd·../etc |
| 298 | </span><span·class="gp·unselectable">$·</span><span·class="">make·debug | 298 | </span><span·class="gp·unselectable">$·</span><span·class="">make·debug |
| 299 | </span></code></pre><p>and·sometimes</p><pre><code·class="makeup·shell"·translate="no"><span·class="gp·unselectable">$·</span><span·class="">cd·$ERL_TOP | 299 | </span></code></pre><p>and·sometimes</p><pre><code·class="makeup·shell"·translate="no"><span·class="gp·unselectable">$·</span><span·class="">cd·$ERL_TOP |
| 300 | </span><span·class="gp·unselectable">$·</span><span·class="">make·local_setup | 300 | </span><span·class="gp·unselectable">$·</span><span·class="">make·local_setup |
| 301 | </span></code></pre><p>So·now·when·you·run·<code·class="inline">$ERL_TOP/erl.exe</code>,·you·should·have·a·debug·compiled | 301 | </span></code></pre><p>So·now·when·you·run·<code·class="inline">$ERL_TOP/erl.exe</code>,·you·should·have·a·debug·compiled |
| 302 | emulator,·which·you·will·see·if·you·do·a:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="2 | 302 | emulator,·which·you·will·see·if·you·do·a:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="2780699629-1">(</span><span·class="ss">system_version</span><span·class="p"·data-group-id="2780699629-1">)</span><span·class="p">.</span></code></pre><p>in·the·erlang·shell.·If·the·returned·string·contains·<code·class="inline">[debug]</code>,·you |
| 303 | got·a·debug·compiled·emulator.</p><p>To·hack·the·erlang·libraries,·you·simply·do·a·<code·class="inline">make·opt</code>·in·the | 303 | got·a·debug·compiled·emulator.</p><p>To·hack·the·erlang·libraries,·you·simply·do·a·<code·class="inline">make·opt</code>·in·the |
| 304 | specific·"applications"·directory,·like:</p><pre><code·class="makeup·shell"·translate="no"><span·class="gp·unselectable">$·</span><span·class="">cd·$ERL_TOP/lib/stdlib | 304 | specific·"applications"·directory,·like:</p><pre><code·class="makeup·shell"·translate="no"><span·class="gp·unselectable">$·</span><span·class="">cd·$ERL_TOP/lib/stdlib |
| 305 | </span><span·class="gp·unselectable">$·</span><span·class="">make·opt | 305 | </span><span·class="gp·unselectable">$·</span><span·class="">make·opt |
| 306 | </span></code></pre><p>or·even·in·the·source·directory...</p><pre><code·class="makeup·shell"·translate="no"><span·class="gp·unselectable">$·</span><span·class="">cd·$ERL_TOP/lib/stdlib/src | 306 | </span></code></pre><p>or·even·in·the·source·directory...</p><pre><code·class="makeup·shell"·translate="no"><span·class="gp·unselectable">$·</span><span·class="">cd·$ERL_TOP/lib/stdlib/src |
| 307 | </span><span·class="gp·unselectable">$·</span><span·class="">make·opt | 307 | </span><span·class="gp·unselectable">$·</span><span·class="">make·opt |
| 308 | </span></code></pre><p>Note·that·you're·expected·to·have·a·fresh·Erlang·in·your·path·when | 308 | </span></code></pre><p>Note·that·you're·expected·to·have·a·fresh·Erlang·in·your·path·when |
| 309 | doing·this,·preferably·the·plain·27·you·have·built·in·the·previous | 309 | doing·this,·preferably·the·plain·27·you·have·built·in·the·previous |
| Offset 318, 19 lines modified | Offset 318, 19 lines modified | ||
| 318 | </span><span·class="">:$ERL_TOP/erts/etc/win32/wsl_tools:$ERL_TOP/bootstrap/bin:$PATH | 318 | </span><span·class="">:$ERL_TOP/erts/etc/win32/wsl_tools:$ERL_TOP/bootstrap/bin:$PATH |
| 319 | </span></code></pre><p>That·should·make·it·possible·to·rebuild·any·library·without·hassle...</p><p>If·you·want·to·copy·a·library·(an·application)·newly·built,·to·a | 319 | </span></code></pre><p>That·should·make·it·possible·to·rebuild·any·library·without·hassle...</p><p>If·you·want·to·copy·a·library·(an·application)·newly·built,·to·a |
| 320 | release·area,·you·do·like·with·the·emulator:</p><pre><code·class="makeup·shell"·translate="no"><span·class="gp·unselectable">$·</span><span·class="">cd·$ERL_TOP/lib/stdlib | 320 | release·area,·you·do·like·with·the·emulator:</p><pre><code·class="makeup·shell"·translate="no"><span·class="gp·unselectable">$·</span><span·class="">cd·$ERL_TOP/lib/stdlib |
| 321 | </span><span·class="gp·unselectable">$·</span><span·class="">make·TESTROOT=/tmp/erlang_release·release | 321 | </span><span·class="gp·unselectable">$·</span><span·class="">make·TESTROOT=/tmp/erlang_release·release |
| 322 | </span></code></pre><p>Remember·that:</p><ul><li><p>··Windows·specific·C-code·goes·in·the·<code·class="inline">$ERL_TOP/erts/emulator/sys/win32</code>, | 322 | </span></code></pre><p>Remember·that:</p><ul><li><p>··Windows·specific·C-code·goes·in·the·<code·class="inline">$ERL_TOP/erts/emulator/sys/win32</code>, |
| 323 | <code·class="inline">$ERL_TOP/erts/emulator/drivers/win32</code>·or·<code·class="inline">$ERL_TOP/erts/etc/win32</code>.</p></li><li><p>··Windows·specific·erlang·code·should·be·used·conditionally·and·the | 323 | <code·class="inline">$ERL_TOP/erts/emulator/drivers/win32</code>·or·<code·class="inline">$ERL_TOP/erts/etc/win32</code>.</p></li><li><p>··Windows·specific·erlang·code·should·be·used·conditionally·and·the |
| 324 | host·OS·tested·in·<em>runtime</em>,·the·exactly·same·beam·files·should·be | 324 | host·OS·tested·in·<em>runtime</em>,·the·exactly·same·beam·files·should·be |
| 325 | distributed·for·every·platform!·So·write·code·like:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">type</span><span·class="p"·data-group-id=" | 325 | distributed·for·every·platform!·So·write·code·like:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">type</span><span·class="p"·data-group-id="4996956056-1">(</span><span·class="p"·data-group-id="4996956056-1">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 326 | ····</span><span·class="p"·data-group-id=" | 326 | ····</span><span·class="p"·data-group-id="4996956056-2">{</span><span·class="ss">win32</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id="4996956056-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 327 | ········</span><span·class="nf">do_windows_specific</span><span·class="p"·data-group-id=" | 327 | ········</span><span·class="nf">do_windows_specific</span><span·class="p"·data-group-id="4996956056-3">(</span><span·class="p"·data-group-id="4996956056-3">)</span><span·class="p">;</span><span·class="w"> |
| 328 | ····</span><span·class="n">Other</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 328 | ····</span><span·class="n">Other</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 329 | ········</span><span·class="nf">do_fallback_or_exit</span><span·class="p"·data-group-id=" | 329 | ········</span><span·class="nf">do_fallback_or_exit</span><span·class="p"·data-group-id="4996956056-4">(</span><span·class="p"·data-group-id="4996956056-4">)</span><span·class="w"> |
| 330 | </span><span·class="k">end</span><span·class="p">,</span></code></pre></li></ul><p>That's·basically·all·you·need·to·get·going.</p><h2·id="frequently-asked-questions"·class="section-heading"> | 330 | </span><span·class="k">end</span><span·class="p">,</span></code></pre></li></ul><p>That's·basically·all·you·need·to·get·going.</p><h2·id="frequently-asked-questions"·class="section-heading"> |
| 331 | ··<a·href="#frequently-asked-questions"·class="hover-link"> | 331 | ··<a·href="#frequently-asked-questions"·class="hover-link"> |
| 332 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 332 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 333 | ··</a> | 333 | ··</a> |
| 334 | ··<span·class="text">Frequently·Asked·Questions</span> | 334 | ··<span·class="text">Frequently·Asked·Questions</span> |
| 335 | </h2> | 335 | </h2> |
| 336 | <ul><li><p>··Q:·So,·now·I·can·build·Erlang·using·GCC·on·Windows?</p><p>A:·No,·unfortunately·not.·You'll·need·Microsoft's·Visual·C++ | 336 | <ul><li><p>··Q:·So,·now·I·can·build·Erlang·using·GCC·on·Windows?</p><p>A:·No,·unfortunately·not.·You'll·need·Microsoft's·Visual·C++ |
| Offset 431, 15 lines modified | Offset 431, 15 lines modified | ||
| 431 | ······<p·class="built-using"> | 431 | ······<p·class="built-using"> |
| 432 | ········Built·using | 432 | ········Built·using |
| 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 435 | ······</p> | 435 | ······</p> |
| 436 | <p>Copyright·©·1996-202 | 436 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 437 | ····</footer> | 437 | ····</footer> |
| 438 | ··</div> | 438 | ··</div> |
| 439 | </main> | 439 | </main> |
| 440 | </div> | 440 | </div> |
| 441 | <script> | 441 | <script> |
| 442 | ··function·mermaidLoaded()·{ | 442 | ··function·mermaidLoaded()·{ |
| 443 | ····mermaid.initialize({ | 443 | ····mermaid.initialize({ |
| Offset 658, 15 lines modified | Offset 658, 15 lines modified | ||
| 658 | ······<p·class="built-using"> | 658 | ······<p·class="built-using"> |
| 659 | ········Built·using | 659 | ········Built·using |
| 660 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 660 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 661 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 661 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 662 | ······</p> | 662 | ······</p> |
| 663 | <p>Copyright·©·1996-202 | 663 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 664 | ····</footer> | 664 | ····</footer> |
| 665 | ··</div> | 665 | ··</div> |
| 666 | </main> | 666 | </main> |
| 667 | </div> | 667 | </div> |
| 668 | <script> | 668 | <script> |
| 669 | ··function·mermaidLoaded()·{ | 669 | ··function·mermaidLoaded()·{ |
| 670 | ····mermaid.initialize({ | 670 | ····mermaid.initialize({ |
| Offset 171, 15 lines modified | Offset 171, 15 lines modified | ||
| 171 | ······<p·class="built-using"> | 171 | ······<p·class="built-using"> |
| 172 | ········Built·using | 172 | ········Built·using |
| 173 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 173 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 174 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 174 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 175 | ······</p> | 175 | ······</p> |
| 176 | <p>Copyright·©·1996-202 | 176 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 177 | ····</footer> | 177 | ····</footer> |
| 178 | ··</div> | 178 | ··</div> |
| 179 | </main> | 179 | </main> |
| 180 | </div> | 180 | </div> |
| 181 | <script> | 181 | <script> |
| 182 | ··function·mermaidLoaded()·{ | 182 | ··function·mermaidLoaded()·{ |
| 183 | ····mermaid.initialize({ | 183 | ····mermaid.initialize({ |
| Offset 117, 33 lines modified | Offset 117, 33 lines modified | ||
| 117 | <h2·id="simple-examples"·class="section-heading"> | 117 | <h2·id="simple-examples"·class="section-heading"> |
| 118 | ··<a·href="#simple-examples"·class="hover-link"> | 118 | ··<a·href="#simple-examples"·class="hover-link"> |
| 119 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 119 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 120 | ··</a> | 120 | ··</a> |
| 121 | ··<span·class="text">Simple·Examples</span> | 121 | ··<span·class="text">Simple·Examples</span> |
| 122 | </h2> | 122 | </h2> |
| 123 | <p>This·section·starts·with·a·simple·example,·showing·a·generator·and·a·filter:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id=" | 123 | <p>This·section·starts·with·a·simple·example,·showing·a·generator·and·a·filter:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="0378791041-1">[</span><span·class="n">X</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="p"·data-group-id="037879[·...·truncated·by·diffoscope;·len:·650,·SHA:·8041fc631454d79dd87e5552f68b2094b69396e70e9db45b973fdd7b263d196f·...·]-1">]</span><span·class="p">.</span><span·class="w"> |
| 124 | </span><span·class="p"·data-group-id=" | 124 | </span><span·class="p"·data-group-id="0378791041-3">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">6</span><span·class="[·...·truncated·by·diffoscope;·len:·28,·SHA:·0a8e0ed858f9176d5b334ee21565d296b25bddd21c1b50fa54a52a1bbcdce978·...·]-3">]</span></code></pre><p>This·is·read·as·follows:·The·list·of·X·such·that·X·is·taken·from·the·list |
| 125 | <code·class="inline">[1,2,a,...]</code>·and·X·is·greater·than·3.</p><p>The·notation·<code·class="inline">X·<-·[1,2,a,...]</code>·is·a·generator·and·the·expression·<code·class="inline">X·>·3</code>·is·a | 125 | <code·class="inline">[1,2,a,...]</code>·and·X·is·greater·than·3.</p><p>The·notation·<code·class="inline">X·<-·[1,2,a,...]</code>·is·a·generator·and·the·expression·<code·class="inline">X·>·3</code>·is·a |
| 126 | filter.</p><p>An·additional·filter,·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_integer/1"><code·class="inline">is_integer(X)</code></a>,·can·be·added·to | 126 | filter.</p><p>An·additional·filter,·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_integer/1"><code·class="inline">is_integer(X)</code></a>,·can·be·added·to |
| 127 | restrict·the·result·to·integers:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id=" | 127 | restrict·the·result·to·integers:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="4547147118-1">[</span><span·class="n">X</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="p"·data-group-id="454714[·...·truncated·by·diffoscope;·len:·862,·SHA:·bf3b1f20d557d46bfecf6fe9fed066a9505ad93905f5454af7149935e59746c5·...·]-1">]</span><span·class="p">.</span><span·class="w"> |
| 128 | </span><span·class="p"·data-group-id=" | 128 | </span><span·class="p"·data-group-id="4547147118-4">[</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="4547147118-4">]</span></code></pre><p>Generators·can·be·combined.·For·example,·the·Cartesian·product·of·two·lists·can |
| 129 | be·written·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id=" | 129 | be·written·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="9752248336-1">[</span><span·class="p"·data-group-id="9752248336-2">{</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="9752248336-2">}</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·739,·SHA:·b164bd4a3e9879e6b4c13824b00ebc497b9cf33febc1e58536c1879b5ab02da8·...·]-1">]</span><span·class="p">.</span><span·class="w"> |
| 130 | </span><span·class="p"·data-group-id=" | 130 | </span><span·class="p"·data-group-id="9752248336-5">[</span><span·class="p"·data-group-id="9752248336-6">{</span><span·class="mi">1</span><span·class="p">,</span><span·class="ss">a</span><span·class="p"·data-group-id="9752248336-6">}</span><span·class="p">,</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·1011,·SHA:·c8b93a223a4fdf6a899f72398429567338997d4d33ab711f796c62f73369ff65·...·]-5">]</span></code></pre><h2·id="quick-sort"·class="section-heading"> |
| 131 | ··<a·href="#quick-sort"·class="hover-link"> | 131 | ··<a·href="#quick-sort"·class="hover-link"> |
| 132 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 132 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 133 | ··</a> | 133 | ··</a> |
| 134 | ··<span·class="text">Quick·Sort</span> | 134 | ··<span·class="text">Quick·Sort</span> |
| 135 | </h2> | 135 | </h2> |
| 136 | <p>The·well-known·quick·sort·routine·can·be·written·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">sort</span><span·class="p"·data-group-id=" | 136 | <p>The·well-known·quick·sort·routine·can·be·written·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">sort</span><span·class="p"·data-group-id="7882956891-1">(</span><span·class="p"·data-group-id="7882956891-2">[</span><span·class="p"·data-group-id="7882956891-2">]</span><span·class="p"·data-group-id="7882956891-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·95,·SHA:·bb93ed704f11a409829ec6602cadbb3c0d3397bbb440cba460e82771734f015a·...·]-3">]</span><span·class="p">;</span><span·class="w"> |
| 137 | </span><span·class="nf">sort</span><span·class="p"·data-group-id=" | 137 | </span><span·class="nf">sort</span><span·class="p"·data-group-id="7882956891-4">(</span><span·class="p"·data-group-id="7882956891-5">[</span><span·class="p">_</span><span·class="p"·data-group-id="7882956891-5">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L</span><span·cl[·...·truncated·by·diffoscope;·len:·33,·SHA:·5bbd04d79d6c5cc40e34d86f5af4f7529e6f6ace6b05549435f8ba598a0a0867·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">L</span><span·class="p">;</span><span·class="w"> |
| 138 | </span><span·class="nf">sort</span><span·class="p"·data-group-id=" | 138 | </span><span·class="nf">sort</span><span·class="p"·data-group-id="7882956891-6">(</span><span·class="p"·data-group-id="7882956891-7">[</span><span·class="n">Pivot</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="7882956891-7">]</span><span·class="p"·data-group-id="7882956891-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 139 | ····</span><span·class="nf">sort</span><span·class="p"·data-group-id=" | 139 | ····</span><span·class="nf">sort</span><span·class="p"·data-group-id="7882956891-8">(</span><span·class="p"·data-group-id="7882956891-9">[</span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class=[·...·truncated·by·diffoscope;·len:·333,·SHA:·5be2e7bc8e2fe815065b2758212985b31ed9adeb2e7fe100ec84c87e04a6d939·...·]-8">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w"> |
| 140 | ····</span><span·class="p"·data-group-id=" | 140 | ····</span><span·class="p"·data-group-id="7882956891-10">[</span><span·class="n">Pivot</span><span·class="p"·data-group-id="7882956891-10">]</span><span·class="w">·</span><span·class="o">++</span><span·class="w"> |
| 141 | ····</span><span·class="nf">sort</span><span·class="p"·data-group-id=" | 141 | ····</span><span·class="nf">sort</span><span·class="p"·data-group-id="7882956891-11">(</span><span·class="p"·data-group-id="7882956891-12">[</span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·337,·SHA:·2fe5053fe4547a06f1a224cfa3632f6a484d06c80f3b3c86ef86922dccc6c90d·...·]-11">)</span><span·class="p">.</span></code></pre><p>The·expression·<code·class="inline">[X·||·X·<-·T,·X·<·Pivot]</code>·is·the·list·of·all·elements·in·<code·class="inline">T</code> |
| 142 | that·are·less·than·<code·class="inline">Pivot</code>.</p><p><code·class="inline">[X·||·X·<-·T,·X·>=·Pivot]</code>·is·the·list·of·all·elements·in·<code·class="inline">T</code>·that·are·greater | 142 | that·are·less·than·<code·class="inline">Pivot</code>.</p><p><code·class="inline">[X·||·X·<-·T,·X·>=·Pivot]</code>·is·the·list·of·all·elements·in·<code·class="inline">T</code>·that·are·greater |
| 143 | than·or·equal·to·<code·class="inline">Pivot</code>.</p><p>With·the·algorithm·above,·a·list·is·sorted·as·follows:</p><ul><li>A·list·with·zero·or·one·element·is·trivially·sorted.</li><li>For·lists·with·more·than·one·element:<ol><li>The·first·element·in·the·list·is·isolated·as·the·pivot·element.</li><li>The·remaining·list·is·partitioned·into·two·sublists,·such·that:</li></ol><ul><li>The·first·sublist·contains·all·elements·that·are·smaller·than·the·pivot | 143 | than·or·equal·to·<code·class="inline">Pivot</code>.</p><p>With·the·algorithm·above,·a·list·is·sorted·as·follows:</p><ul><li>A·list·with·zero·or·one·element·is·trivially·sorted.</li><li>For·lists·with·more·than·one·element:<ol><li>The·first·element·in·the·list·is·isolated·as·the·pivot·element.</li><li>The·remaining·list·is·partitioned·into·two·sublists,·such·that:</li></ol><ul><li>The·first·sublist·contains·all·elements·that·are·smaller·than·the·pivot |
| 144 | element.</li><li>The·second·sublist·contains·all·elements·that·are·greater·than·or·equal·to | 144 | element.</li><li>The·second·sublist·contains·all·elements·that·are·greater·than·or·equal·to |
| 145 | the·pivot·element.</li></ul><ol><li>The·sublists·are·recursively·sorted·by·the·same·algorithm·and·the·results | 145 | the·pivot·element.</li></ul><ol><li>The·sublists·are·recursively·sorted·by·the·same·algorithm·and·the·results |
| 146 | are·combined,·resulting·in·a·list·consisting·of:</li></ol><ul><li>All·elements·from·the·first·sublist,·that·is·all·elements·smaller·than·the | 146 | are·combined,·resulting·in·a·list·consisting·of:</li></ol><ul><li>All·elements·from·the·first·sublist,·that·is·all·elements·smaller·than·the |
| 147 | pivot·element,·in·sorted·order.</li><li>The·pivot·element.</li><li>All·elements·from·the·second·sublist,·that·is·all·elements·greater·than·or | 147 | pivot·element,·in·sorted·order.</li><li>The·pivot·element.</li><li>All·elements·from·the·second·sublist,·that·is·all·elements·greater·than·or |
| 148 | equal·to·the·pivot·element,·in·sorted·order.</li></ul></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>While·the·sorting·algorithm·as·shown·above·serves·as·a·nice·example·to | 148 | equal·to·the·pivot·element,·in·sorted·order.</li></ul></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>While·the·sorting·algorithm·as·shown·above·serves·as·a·nice·example·to |
| Offset 151, 93 lines modified | Offset 151, 93 lines modified | ||
| 151 | <a·href="../../lib/stdlib-6.2.1/doc/html/lists.html"><code·class="inline">lists</code></a>·module·contains·sorting·functions·that·are·implemented·in·a·more | 151 | <a·href="../../lib/stdlib-6.2.1/doc/html/lists.html"><code·class="inline">lists</code></a>·module·contains·sorting·functions·that·are·implemented·in·a·more |
| 152 | efficient·way.</p></section><h2·id="permutations"·class="section-heading"> | 152 | efficient·way.</p></section><h2·id="permutations"·class="section-heading"> |
| 153 | ··<a·href="#permutations"·class="hover-link"> | 153 | ··<a·href="#permutations"·class="hover-link"> |
| 154 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 154 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 155 | ··</a> | 155 | ··</a> |
| 156 | ··<span·class="text">Permutations</span> | 156 | ··<span·class="text">Permutations</span> |
| 157 | </h2> | 157 | </h2> |
| 158 | <p>The·following·example·generates·all·permutations·of·the·elements·in·a·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">perms</span><span·class="p"·data-group-id=" | 158 | <p>The·following·example·generates·all·permutations·of·the·elements·in·a·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">perms</span><span·class="p"·data-group-id="2131838126-1">(</span><span·class="p"·data-group-id="2131838126-2">[</span><span·class="p"·data-group-id="2131838126-2">]</span><span·class="p"·data-group-id="2131838126-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·201,·SHA:·ee61231d697da602d2e2138345706c4823ebfd5dfec756a5dc51b053030f289f·...·]-3">]</span><span·class="p">;</span><span·class="w"> |
| 159 | </span><span·class="nf">perms</span><span·class="p"·data-group-id=" | 159 | </span><span·class="nf">perms</span><span·class="p"·data-group-id="2131838126-5">(</span><span·class="n">L</span><span·class="p"·data-group-id="2131838126-5">)</span><span·class="w">··</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="2131838126-6">[</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·851,·SHA:·b9d5fd9d9cf0ddb51447f566097618f0f783654995612f83a649d16b07b93fd1·...·]-6">]</span><span·class="p">.</span></code></pre><p>This·takes·<code·class="inline">H</code>·from·<code·class="inline">L</code>·in·all·possible·ways.·The·result·is·the·set·of·all·lists |
| 160 | <code·class="inline">[H|T]</code>,·where·<code·class="inline">T</code>·is·the·set·of·all·possible·permutations·of·<code·class="inline">L</code>,·with·<code·class="inline">H</code> | 160 | <code·class="inline">[H|T]</code>,·where·<code·class="inline">T</code>·is·the·set·of·all·possible·permutations·of·<code·class="inline">L</code>,·with·<code·class="inline">H</code> |
| 161 | removed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">perms</span><span·class="p"·data-group-id=" | 161 | removed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">perms</span><span·class="p"·data-group-id="7870308743-1">(</span><span·class="p"·data-group-id="7870308743-2">[</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">u</span><span·class="p">,</span><span·class="ss">g</span><span·class="p"·data-group-id="7870308743-2">]</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·d8d154c6f1220c3a2b630d8a085c39ea4800ee5ff192b21f7e5bf41665e3e7ff·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="p"·data-group-id=" | 162 | </span><span·class="p"·data-group-id="7870308743-3">[</span><span·class="p"·data-group-id="7870308743-4">[</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">u</span><span·class="p">,</span><span·class="ss">g</span><span·class="p"·data-group-id="7870308743-4">]</span><span[·...·truncated·by·diffoscope;·len:·1301,·SHA:·7758499e5e5c77a0059d184ef8b0fd1484038ae58b32eaf359c39e01f74c36e2·...·]-3">]</span></code></pre><h2·id="pythagorean-triplets"·class="section-heading"> |
| 163 | ··<a·href="#pythagorean-triplets"·class="hover-link"> | 163 | ··<a·href="#pythagorean-triplets"·class="hover-link"> |
| 164 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 164 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 165 | ··</a> | 165 | ··</a> |
| 166 | ··<span·class="text">Pythagorean·Triplets</span> | 166 | ··<span·class="text">Pythagorean·Triplets</span> |
| 167 | </h2> | 167 | </h2> |
| 168 | <p>Pythagorean·triplets·are·sets·of·integers·<code·class="inline">{A,B,C}</code>·such·that | 168 | <p>Pythagorean·triplets·are·sets·of·integers·<code·class="inline">{A,B,C}</code>·such·that |
| 169 | <code·class="inline">A**2·+·B**2·=·C**2</code>.</p><p>The·function·<code·class="inline">pyth(N)</code>·generates·a·list·of·all·integers·<code·class="inline">{A,B,C}</code>·such·that | 169 | <code·class="inline">A**2·+·B**2·=·C**2</code>.</p><p>The·function·<code·class="inline">pyth(N)</code>·generates·a·list·of·all·integers·<code·class="inline">{A,B,C}</code>·such·that |
| 170 | <code·class="inline">A**2·+·B**2·=·C**2</code>·and·where·the·sum·of·the·sides·is·equal·to,·or·less·than, | 170 | <code·class="inline">A**2·+·B**2·=·C**2</code>·and·where·the·sum·of·the·sides·is·equal·to,·or·less·than, |
| 171 | <code·class="inline">N</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">pyth</span><span·class="p"·data-group-id="30 | 171 | <code·class="inline">N</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">pyth</span><span·class="p"·data-group-id="1304437569-1">(</span><span·class="n">N</span><span·class="p"·data-group-id="1304437569-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 172 | ····</span><span·class="p"·data-group-id="30 | 172 | ····</span><span·class="p"·data-group-id="1304437569-2">[</span><span·class="w">·</span><span·class="p"·data-group-id="1304437569-3">{</span><span·class="n">A</span><span·class="p">,</span><span·class="n">B</span><span·class="p">,</span><span·class="n">C</span><span·class="p"·data-group-id="130443[·...·truncated·by·diffoscope;·len:·4,·SHA:·1f854d9f8fc80e6d3aa3d0f57aebcab3acf618da2f9d449600d707e977ef238f·...·]-3">}</span><span·class="w">·</span><span·class="p">||</span><span·class="w"> |
| 173 | ········</span><span·class="n">A</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="30 | 173 | ········</span><span·class="n">A</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="1304437569-4">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id="1304437569-4">)</span><span·class="p">,</span><span·class="w"> |
| 174 | ········</span><span·class="n">B</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="30 | 174 | ········</span><span·class="n">B</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="1304437569-5">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id="1304437569-5">)</span><span·class="p">,</span><span·class="w"> |
| 175 | ········</span><span·class="n">C</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="30 | 175 | ········</span><span·class="n">C</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="1304437569-6">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id="1304437569-6">)</span><span·class="p">,</span><span·class="w"> |
| 176 | ········</span><span·class="n">A</span><span·class="o">+</span><span·class="n">B</span><span·class="o">+</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=<</span><span·class="w">·</span><span·class="n">N</span><span·class="p">,</span><span·class="w"> | 176 | ········</span><span·class="n">A</span><span·class="o">+</span><span·class="n">B</span><span·class="o">+</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=<</span><span·class="w">·</span><span·class="n">N</span><span·class="p">,</span><span·class="w"> |
| 177 | ········</span><span·class="n">A</span><span·class="o">*</span><span·class="n">A</span><span·class="o">+</span><span·class="n">B</span><span·class="o">*</span><span·class="n">B</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="n">C</span><span·class="o">*</span><span·class="n">C</span><span·class="w"> | 177 | ········</span><span·class="n">A</span><span·class="o">*</span><span·class="n">A</span><span·class="o">+</span><span·class="n">B</span><span·class="o">*</span><span·class="n">B</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="n">C</span><span·class="o">*</span><span·class="n">C</span><span·class="w"> |
| 178 | ····</span><span·class="p"·data-group-id="30 | 178 | ····</span><span·class="p"·data-group-id="1304437569-2">]</span><span·class="p">.</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">pyth</span><span·class="p"·data-group-id="4670060668-1">(</span><span·class="mi">3</span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·64b8c6388f2804670f3f011a375059b96ead4c069beabcfb349275ac64484ef8·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 179 | </span><span·class="p"·data-group-id="4 | 179 | </span><span·class="p"·data-group-id="4670060668-2">[</span><span·class="p"·data-group-id="4670060668-2">]</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 180 | >·</span><span·class="nf">pyth</span><span·class="p"·data-group-id="4 | 180 | >·</span><span·class="nf">pyth</span><span·class="p"·data-group-id="4670060668-3">(</span><span·class="mi">11</span><span·class="p"·data-group-id="4670060668-3">)</span><span·class="p">.</span><span·class="w"> |
| 181 | </span><span·class="p"·data-group-id="4 | 181 | </span><span·class="p"·data-group-id="4670060668-4">[</span><span·class="p"·data-group-id="4670060668-4">]</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 182 | >·</span><span·class="nf">pyth</span><span·class="p"·data-group-id="4 | 182 | >·</span><span·class="nf">pyth</span><span·class="p"·data-group-id="4670060668-5">(</span><span·class="mi">12</span><span·class="p"·data-group-id="4670060668-5">)</span><span·class="p">.</span><span·class="w"> |
| 183 | </span><span·class="p"·data-group-id="4 | 183 | </span><span·class="p"·data-group-id="4670060668-6">[</span><span·class="p"·data-group-id="4670060668-7">{</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="4670060668-7">}</span><span·[·...·truncated·by·diffoscope;·len:·288,·SHA:·7130db0119380cfb71e1059373320fae8ffa55718585cae2085506f6c639e5f5·...·]-6">]</span><span·class="gp·unselectable"> |
| 184 | >·</span><span·class="nf">pyth</span><span·class="p"·data-group-id="4 | 184 | >·</span><span·class="nf">pyth</span><span·class="p"·data-group-id="4670060668-9">(</span><span·class="mi">50</span><span·class="p"·data-group-id="4670060668-9">)</span><span·class="p">.</span><span·class="w"> |
| 185 | </span><span·class="p"·data-group-id="4 | 185 | </span><span·class="p"·data-group-id="4670060668-10">[</span><span·class="p"·data-group-id="4670060668-11">{</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="4670060668-11">}</span><span·class="p">,</span><span·class="w"> |
| 186 | ·</span><span·class="p"·data-group-id="4 | 186 | ·</span><span·class="p"·data-group-id="4670060668-12">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="4670060668-12">}</span><span·class="p">,</span><span·class="w"> |
| 187 | ·</span><span·class="p"·data-group-id="4 | 187 | ·</span><span·class="p"·data-group-id="4670060668-13">{</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">12</span><span·class="p">,</span><span·class="mi">13</span><span·class="p"·data-group-id="4670060668-13">}</span><span·class="p">,</span><span·class="w"> |
| 188 | ·</span><span·class="p"·data-group-id="4 | 188 | ·</span><span·class="p"·data-group-id="4670060668-14">{</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">8</span><span·class="p">,</span><span·class="mi">10</span><span·class="p"·data-group-id="4670060668-14">}</span><span·class="p">,</span><span·class="w"> |
| 189 | ·</span><span·class="p"·data-group-id="4 | 189 | ·</span><span·class="p"·data-group-id="4670060668-15">{</span><span·class="mi">8</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">10</span><span·class="p"·data-group-id="4670060668-15">}</span><span·class="p">,</span><span·class="w"> |
| 190 | ·</span><span·class="p"·data-group-id="4 | 190 | ·</span><span·class="p"·data-group-id="4670060668-16">{</span><span·class="mi">8</span><span·class="p">,</span><span·class="mi">15</span><span·class="p">,</span><span·class="mi">17</span><span·class="p"·data-group-id="4670060668-16">}</span><span·class="p">,</span><span·class="w"> |
| 191 | ·</span><span·class="p"·data-group-id="4 | 191 | ·</span><span·class="p"·data-group-id="4670060668-17">{</span><span·class="mi">9</span><span·class="p">,</span><span·class="mi">12</span><span·class="p">,</span><span·class="mi">15</span><span·class="p"·data-group-id="4670060668-17">}</span><span·class="p">,</span><span·class="w"> |
| 192 | ·</span><span·class="p"·data-group-id="4 | 192 | ·</span><span·class="p"·data-group-id="4670060668-18">{</span><span·class="mi">12</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">13</span><span·class="p"·data-group-id="4670060668-18">}</span><span·class="p">,</span><span·class="w"> |
| 193 | ·</span><span·class="p"·data-group-id="4 | 193 | ·</span><span·class="p"·data-group-id="4670060668-19">{</span><span·class="mi">12</span><span·class="p">,</span><span·class="mi">9</span><span·class="p">,</span><span·class="mi">15</span><span·class="p"·data-group-id="4670060668-19">}</span><span·class="p">,</span><span·class="w"> |
| 194 | ·</span><span·class="p"·data-group-id="4 | 194 | ·</span><span·class="p"·data-group-id="4670060668-20">{</span><span·class="mi">12</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">20</span><span·class="p"·data-group-id="4670060668-20">}</span><span·class="p">,</span><span·class="w"> |
| 195 | ·</span><span·class="p"·data-group-id="4 | 195 | ·</span><span·class="p"·data-group-id="4670060668-21">{</span><span·class="mi">15</span><span·class="p">,</span><span·class="mi">8</span><span·class="p">,</span><span·class="mi">17</span><span·class="p"·data-group-id="4670060668-21">}</span><span·class="p">,</span><span·class="w"> |
| 196 | ·</span><span·class="p"·data-group-id="4 | 196 | ·</span><span·class="p"·data-group-id="4670060668-22">{</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">12</span><span·class="p">,</span><span·class="mi">20</span><span·class="p"·data-group-id="4670060668-22">}</span><span·class="p"·data-group-id="4670060668-10">]</span>[·...·truncated·by·diffoscope;·len:·280,·SHA:·c941baca115bf25ae4b4678cb0dac8e6994c45726b199f05346686c648e7c511·...·]9-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 197 | ···</span><span·class="p"·data-group-id=" | 197 | ···</span><span·class="p"·data-group-id="3822540979-2">[</span><span·class="p"·data-group-id="3822540979-3">{</span><span·class="n">A</span><span·class="p">,</span><span·class="n">B</span><span·class="p">,</span><span·class="n">C</span><span·class="p"·data-group-id="3822540979-3">}</span><span·class="w">·</span><span·class="p">||</span><span·class="w"> |
| 198 | ·······</span><span·class="n">A</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id=" | 198 | ·······</span><span·class="n">A</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="3822540979-4">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="n">N</span><span·class="o">-</span><span·class="mi">2</span><span·class="p"·data-group-id="3822540979-4">)</span><span·class="p">,</span><span·class="w"> |
| 199 | ·······</span><span·class="n">B</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id=" | 199 | ·······</span><span·class="n">B</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="3822540979-5">(</span><span·class="n">A</span><span·class="o">+</span><span·class="mi">1</span><span·class="p">,</span><span·class="n">N</span><span·class="o">-</span><span·class="mi">1</span><span·class="p"·data-group-id="3822540979-5">)</span><span·class="p">,</span><span·class="w"> |
| 200 | ·······</span><span·class="n">C</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id=" | 200 | ·······</span><span·class="n">C</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="3822540979-6">(</span><span·class="n">B</span><span·class="o">+</span><span·class="mi">1</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id="3822540979-6">)</span><span·class="p">,</span><span·class="w"> |
| 201 | ·······</span><span·class="n">A</span><span·class="o">+</span><span·class="n">B</span><span·class="o">+</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=<</span><span·class="w">·</span><span·class="n">N</span><span·class="p">,</span><span·class="w"> | 201 | ·······</span><span·class="n">A</span><span·class="o">+</span><span·class="n">B</span><span·class="o">+</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=<</span><span·class="w">·</span><span·class="n">N</span><span·class="p">,</span><span·class="w"> |
| 202 | ·······</span><span·class="n">A</span><span·class="o">*</span><span·class="n">A</span><span·class="o">+</span><span·class="n">B</span><span·class="o">*</span><span·class="n">B</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="n">C</span><span·class="o">*</span><span·class="n">C</span><span·class="w">·</span><span·class="p"·data-group-id=" | 202 | ·······</span><span·class="n">A</span><span·class="o">*</span><span·class="n">A</span><span·class="o">+</span><span·class="n">B</span><span·class="o">*</span><span·class="n">B</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="n">C</span><span·class="o">*</span><span·class="n">C</span><span·class="w">·</span><span·class="p"·data-group-id="3822540979-2">]</span><span·class="p">.</span></code></pre><h2·id="simplifications-with-list-comprehensions"·class="section-heading"> |
| 203 | ··<a·href="#simplifications-with-list-comprehensions"·class="hover-link"> | 203 | ··<a·href="#simplifications-with-list-comprehensions"·class="hover-link"> |
| 204 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 204 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 205 | ··</a> | 205 | ··</a> |
| 206 | ··<span·class="text">Simplifications·With·List·Comprehensions</span> | 206 | ··<span·class="text">Simplifications·With·List·Comprehensions</span> |
| 207 | </h2> | 207 | </h2> |
| 208 | <p>As·an·example,·list·comprehensions·can·be·used·to·simplify·some·of·the·functions | 208 | <p>As·an·example,·list·comprehensions·can·be·used·to·simplify·some·of·the·functions |
| 209 | in·<code·class="inline">lists.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">append</span><span·class="p"·data-group-id=" | 209 | in·<code·class="inline">lists.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">append</span><span·class="p"·data-group-id="7781042123-1">(</span><span·class="n">L</span><span·class="p"·data-group-id="7781042123-1">)</span><span·class="w">···</span><span·class="p">-></span><span·class="w">··</span><span·class="p"·data-group-id="7781042123-2">[</span><span·class="n">X</span><[·...·truncated·by·diffoscope;·len:·411,·SHA:·c7588005e29d358594d46db5584706c637d0536011aaa2aff6fd00a164a29501·...·]-2">]</span><span·class="p">.</span><span·class="w"> |
| 210 | </span><span·class="nf">map</span><span·class="p"·data-group-id=" | 210 | </span><span·class="nf">map</span><span·class="p"·data-group-id="7781042123-3">(</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><span·class="n">L</span><span·class="p"·data-group-id="7781042123-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·440,·SHA:·83a423209a3e1e54b822ee659149ea5666ab3e97198f00130f9775667ab525c4·...·]-4">]</span><span·class="p">.</span><span·class="w"> |
| 211 | </span><span·class="nf">filter</span><span·class="p"·data-group-id=" | 211 | </span><span·class="nf">filter</span><span·class="p"·data-group-id="7781042123-6">(</span><span·class="n">Pred</span><span·class="p">,</span><span·class="w">·</span><span·class="n">L</span><span·class="p"·data-group-id="7781042123-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·514,·SHA:·65aa74f76b911bb09ae9bf8bf5344eb3d71a24453f69fdf0291bf8fe3dbe22da·...·]-7">]</span><span·class="p">.</span></code></pre><h2·id="variable-bindings-in-list-comprehensions"·class="section-heading"> |
| 212 | ··<a·href="#variable-bindings-in-list-comprehensions"·class="hover-link"> | 212 | ··<a·href="#variable-bindings-in-list-comprehensions"·class="hover-link"> |
| 213 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 213 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 214 | ··</a> | 214 | ··</a> |
| 215 | ··<span·class="text">Variable·Bindings·in·List·Comprehensions</span> | 215 | ··<span·class="text">Variable·Bindings·in·List·Comprehensions</span> |
| 216 | </h2> | 216 | </h2> |
| 217 | <p>The·scope·rules·for·variables·that·occur·in·list·comprehensions·are·as·follows:</p><ul><li>All·variables·that·occur·in·a·generator·pattern·are·assumed·to·be·"fresh" | 217 | <p>The·scope·rules·for·variables·that·occur·in·list·comprehensions·are·as·follows:</p><ul><li>All·variables·that·occur·in·a·generator·pattern·are·assumed·to·be·"fresh" |
| 218 | variables.</li><li>Any·variables·that·are·defined·before·the·list·comprehension,·and·that·are | 218 | variables.</li><li>Any·variables·that·are·defined·before·the·list·comprehension,·and·that·are |
| 219 | used·in·filters,·have·the·values·they·had·before·the·list·comprehension.</li><li>Variables·cannot·be·exported·from·a·list·comprehension.</li></ul><p>As·an·example·of·these·rules,·suppose·you·want·to·write·the·function·<code·class="inline">select</code>, | 219 | used·in·filters,·have·the·values·they·had·before·the·list·comprehension.</li><li>Variables·cannot·be·exported·from·a·list·comprehension.</li></ul><p>As·an·example·of·these·rules,·suppose·you·want·to·write·the·function·<code·class="inline">select</code>, |
| 220 | which·selects·certain·elements·from·a·list·of·tuples.·Suppose·you·write | 220 | which·selects·certain·elements·from·a·list·of·tuples.·Suppose·you·write |
| 221 | <code·class="inline">select(X,·L)·->·[Y·||·{X,·Y}·<-·L].</code>·with·the·intention·of·extracting·all | 221 | <code·class="inline">select(X,·L)·->·[Y·||·{X,·Y}·<-·L].</code>·with·the·intention·of·extracting·all |
| 222 | tuples·from·<code·class="inline">L</code>,·where·the·first·item·is·<code·class="inline">X</code>.</p><p>Compiling·this·gives·the·following·diagnostic:</p><pre><code·class="text">./FileName.erl:Line:·Warning:·variable·'X'·shadowed·in·generate</code></pre><p>This·diagnostic·warns·that·the·variable·<code·class="inline">X</code>·in·the·pattern·is·not·the·same·as | 222 | tuples·from·<code·class="inline">L</code>,·where·the·first·item·is·<code·class="inline">X</code>.</p><p>Compiling·this·gives·the·following·diagnostic:</p><pre><code·class="text">./FileName.erl:Line:·Warning:·variable·'X'·shadowed·in·generate</code></pre><p>This·diagnostic·warns·that·the·variable·<code·class="inline">X</code>·in·the·pattern·is·not·the·same·as |
| 223 | the·variable·<code·class="inline">X</code>·that·occurs·in·the·function·head.</p><p>Evaluating·<code·class="inline">select</code>·gives·the·following·result:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 223 | the·variable·<code·class="inline">X</code>·that·occurs·in·the·function·head.</p><p>Evaluating·<code·class="inline">select</code>·gives·the·following·result:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">select</span><span·class="p"·data-group-id="7414147111-1">(</span><span·class="ss">b</span><span·class="p">,</span><span·class="p"·data-group-id="7414147111-2">[</span><span·class="p"·data-group-id="7414147111-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="mi">1</span><span[·...·truncated·by·diffoscope;·len:·754,·SHA:·95aece34325934aaa55a0f13d6157241ed68294f37b22cb32939b80d6f82d55f·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 224 | </span><span·class="p"·data-group-id=" | 224 | </span><span·class="p"·data-group-id="7414147111-7">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">7</span><span·class="p"·data-group-id="7414147111-7">]</span></code></pre><p>This·is·not·the·wanted·result.·To·achieve·the·desired·effect,·<code·class="inline">select</code>·must·be |
| 225 | written·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">select</span><span·class="p"·data-group-id="10 | 225 | written·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">select</span><span·class="p"·data-group-id="1032552407-1">(</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">L</span><span·class="p"·data-group-id="1032552407-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">··</span><span·clas[·...·truncated·by·diffoscope;·len:·654,·SHA:·bd8e34a02c6fe7147908a6052f3d777f74875fd65d9aaf64829dfd095b99cab4·...·]-2">]</span><span·class="p">.</span></code></pre><p>The·generator·now·contains·unbound·variables·and·the·test·has·been·moved·into |
| 226 | the·filter.</p><p>This·now·works·as·expected:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">select</span><span·class="p"·data-group-id="5319342805-1">(</span><span·class="ss">b</span><span·class="p">,</span><span·class="p"·data-group-id="5319342805-2">[</span><span·class="p"·data-group-id="5319342805-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="5319342805-3">}</span><span·class="p">,</span><span·class="p"·data-group-id="5319342805-4">{</span><span·class="ss">b</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5319342805-4">}</span><span·class="p">,</span><span·class="p"·data-group-id="5319342805-5">{</span><span·class="ss">c</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="5319342805-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="5319342805-6">{</span><span·class="ss">b</span><span·class="p">,</span><span·class="mi">7</span><span·class="p"·data-group-id="5319342805-6">}</span><span·class="p"·data-group-id="5319342805-2">]</span><span·class="p"·data-group-id="5319342805-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 227 | 226 | the·filter.</p><p>This·now·works·as·expected:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">select</span><span·class="p"·data-group-id="1596440572-1">(</span><span·class="ss">b</span><span·cla[·...·truncated·by·diffoscope;·len:·1006,·SHA:·e3df794a3b9174d5b944c0d2b6498ebafa2d00467266d59c5b0b93123f222ed5·...·] | |
| 227 | </span><span·class="p"·data-group-id="1596440572-7">[</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">7</span><span·class="p"·data-group-id="1596440572-7">]</span></code></pre><p>Also·note·that·a·variable·in·a·generator·pattern·will·shadow·a·variable·with·the | ||
| 228 | same·name·bound·in·a·previous·generator·pattern.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id=" | 228 | same·name·bound·in·a·previous·generator·pattern.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="8410013037-1">[</span><span·class="p"·data-group-id="8410013037-2">{</span><span·class="n">X</span><span·class="p">,</span><span·class="n">Y</span><span·class="p"·data-group-id="8410013037-2">}</span><span·class="w">·</span><span·class="p">||</span><span·c[·...·truncated·by·diffoscope;·len:·811,·SHA:·50844a54971b91d4c3a3fe18bc06826f6ad9ce1c0a4a975669f964c48b93a1dd·...·]7-1">]</span><span·class="p">.</span><span·class="w"> |
| 229 | </span><span·class="p"·data-group-id=" | 229 | </span><span·class="p"·data-group-id="8410013037-5">[</span><span·class="p"·data-group-id="8410013037-6">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">a</span><span·class="p"·data-group-id="8410013037-6">}</span><span·class="p">,</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·1628,·SHA:·956e1bd5a7ff6b3e1aefc5d529ff0220e8d1e98e5a984bd363854559d2415f49·...·]7-5">]</span></code></pre><p>A·consequence·of·the·rules·for·importing·variables·into·a·list·comprehensions·is |
| 230 | that·certain·pattern·matching·operations·must·be·moved·into·the·filters·and | 230 | that·certain·pattern·matching·operations·must·be·moved·into·the·filters·and |
| 231 | cannot·be·written·directly·in·the·generators.</p><p>To·illustrate·this,·do·<em>not</em>·write·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id=" | 231 | cannot·be·written·directly·in·the·generators.</p><p>To·illustrate·this,·do·<em>not</em>·write·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id="0394516037-1">(</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="0394516037-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ····</span><span·class="n">Y</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 232 | ····</span><span·class="n">Y</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 233 | ····</span><span·class="p"·data-group-id=" | 233 | ····</span><span·class="p"·data-group-id="0394516037-2">[</span><span·class="w">·</span><span·class="n">Expression</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><span·class="n">PatternInvolving</span><span·class="w">·</span><span·class="n">Y</span><span·class="w">·[·...·truncated·by·diffoscope;·len:·248,·SHA:·c6d1dfe321766d6d0d8dbdcec659892ce9d0d937bcf6588d030dfed2cbfbbdff·...·]-2">]</span><span·class="w"> |
| 234 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Instead,·write·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id=" | 234 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Instead,·write·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id="9266585859-1">(</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="9266585859-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 235 | ····</span><span·class="n">Y</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 235 | ····</span><span·class="n">Y</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 236 | ····</span><span·class="p"·data-group-id=" | 236 | ····</span><span·class="p"·data-group-id="9266585859-2">[</span><span·class="w">·</span><span·class="n">Expression</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><span·class="n">PatternInvolving</span><span·class="w">·</span><span·class="n">Y1</span><span·class="w">[·...·truncated·by·diffoscope;·len:·419,·SHA:·b890a1124d92a7e71384981f4a48a3aac9a25253514c94f10fb0872de9f1f2ff·...·]-2">]</span><span·class="w"> |
| 237 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre> | 237 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre> |
| 238 | </div> | 238 | </div> |
| 239 | <div·class="bottom-actions"·id="bottom-actions"> | 239 | <div·class="bottom-actions"·id="bottom-actions"> |
| 240 | ··<div·class="bottom-actions-item"> | 240 | ··<div·class="bottom-actions-item"> |
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| 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 121 | ··</a> | 121 | ··</a> |
| 122 | ··<span·class="text">Creating·a·List</span> | 122 | ··<span·class="text">Creating·a·List</span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>Lists·can·only·be·built·starting·from·the·end·and·attaching·list·elements·at·the | 124 | <p>Lists·can·only·be·built·starting·from·the·end·and·attaching·list·elements·at·the |
| 125 | beginning.·If·you·use·the·<code·class="inline">++</code>·operator·as·follows,·a·new·list·is·created·that | 125 | beginning.·If·you·use·the·<code·class="inline">++</code>·operator·as·follows,·a·new·list·is·created·that |
| 126 | is·a·copy·of·the·elements·in·<code·class="inline">List1</code>,·followed·by·<code·class="inline">List2</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">List1</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">List2</span></code></pre><p>Looking·at·how·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#append/2"><code·class="inline">lists:append/2</code></a>·or·<code·class="inline">++</code>·would·be·implemented·in·plain·Erlang, | 126 | is·a·copy·of·the·elements·in·<code·class="inline">List1</code>,·followed·by·<code·class="inline">List2</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">List1</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">List2</span></code></pre><p>Looking·at·how·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#append/2"><code·class="inline">lists:append/2</code></a>·or·<code·class="inline">++</code>·would·be·implemented·in·plain·Erlang, |
| 127 | clearly·the·first·list·is·copied:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">append</span><span·class="p"·data-group-id=" | 127 | clearly·the·first·list·is·copied:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">append</span><span·class="p"·data-group-id="1299959587-1">(</span><span·class="p"·data-group-id="1299959587-2">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="1299959587-2">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·60,·SHA:·3e75d3ff8ce7a68cd236ee88f3258ba5949bd40352bfebbfbaf17f4636a439f8·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 128 | ····</span><span·class="p"·data-group-id=" | 128 | ····</span><span·class="p"·data-group-id="1299959587-3">[</span><span·class="n">H</span><span·class="p">|</span><span·class="nf">append</span><span·class="p"·data-group-id="1299959587-4">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tail</span><spa[·...·truncated·by·diffoscope;·len:·90,·SHA:·6655647f711b9ab07e2d8e7a1794bea2c7a699d1b30420d6ebc4d99327ba3c6f·...·]-3">]</span><span·class="p">;</span><span·class="w"> |
| 129 | </span><span·class="nf">append</span><span·class="p"·data-group-id=" | 129 | </span><span·class="nf">append</span><span·class="p"·data-group-id="1299959587-5">(</span><span·class="p"·data-group-id="1299959587-6">[</span><span·class="p"·data-group-id="1299959587-6">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tail</span><span·class="p"·data-group-id="1299959587-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 130 | ····</span><span·class="n">Tail</span><span·class="p">.</span></code></pre><p>When·recursing·and·building·a·list,·it·is·important·to·ensure·that·you·attach | 130 | ····</span><span·class="n">Tail</span><span·class="p">.</span></code></pre><p>When·recursing·and·building·a·list,·it·is·important·to·ensure·that·you·attach |
| 131 | the·new·elements·to·the·beginning·of·the·list.·In·this·way,·you·will·build·<em>one</em> | 131 | the·new·elements·to·the·beginning·of·the·list.·In·this·way,·you·will·build·<em>one</em> |
| 132 | list,·not·hundreds·or·thousands·of·copies·of·the·growing·result·list.</p><p>Let·us·first·see·how·it·is·not·to·be·done:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bad_fib</span><span·class="p"·data-group-id=" | 132 | list,·not·hundreds·or·thousands·of·copies·of·the·growing·result·list.</p><p>Let·us·first·see·how·it·is·not·to·be·done:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bad_fib</span><span·class="p"·data-group-id="3121308181-1">(</span><span·class="n">N</span><span·class="p"·data-group-id="3121308181-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 133 | ····</span><span·class="nf">bad_fib</span><span·class="p"·data-group-id=" | 133 | ····</span><span·class="nf">bad_fib</span><span·class="p"·data-group-id="3121308181-2">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·131,·SHA:·e2942e54b45cfe334adf10ac847b331caaef9ca7e9795edb271fe3717bdc40e9·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="nf">bad_fib</span><span·class="p"·data-group-id=" | 134 | </span><span·class="nf">bad_fib</span><span·class="p"·data-group-id="3121308181-4">(</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Current</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Next</span><span·cl[·...·truncated·by·diffoscope;·len:·108,·SHA:·28e4628fca44736cb9562a9e534d5b49733b8d2c21fc39e66318a19e346449a1·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 135 | ····</span><span·class="n">Fibs</span><span·class="p">;</span><span·class="w"> | 135 | ····</span><span·class="n">Fibs</span><span·class="p">;</span><span·class="w"> |
| 136 | </span><span·class="nf">bad_fib</span><span·class="p"·data-group-id=" | 136 | </span><span·class="nf">bad_fib</span><span·class="p"·data-group-id="3121308181-5">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Current</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Next</span><span·class="p">,</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·59,·SHA:·56fecb3e9578c3b61bd883209e62ff1ed24f652f1a33fcb2bd0d976853a66555·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 137 | ····</span><span·class="nf">bad_fib</span><span·class="p"·data-group-id=" | 137 | ····</span><span·class="nf">bad_fib</span><span·class="p"·data-group-id="3121308181-6">(</span><span·class="n">N</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Next</span><span·class="p">,</span><span·class="w[·...·truncated·by·diffoscope;·len:·464,·SHA:·12126a4c49bb6982731cd6daea6edf4017ff6937c7cee463b0e93ffeed9c3d15·...·]-6">)</span><span·class="p">.</span></code></pre><p>Here·more·than·one·list·is·built.·In·each·iteration·step·a·new·list·is·created |
| 138 | that·is·one·element·longer·than·the·new·previous·list.</p><p>To·avoid·copying·the·result·in·each·iteration,·build·the·list·in·reverse·order | 138 | that·is·one·element·longer·than·the·new·previous·list.</p><p>To·avoid·copying·the·result·in·each·iteration,·build·the·list·in·reverse·order |
| 139 | and·reverse·the·list·when·you·are·done:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id=" | 139 | and·reverse·the·list·when·you·are·done:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id="5995233589-1">(</span><span·class="n">N</span><span·class="p"·data-group-id="5995233589-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 140 | ····</span><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id=" | 140 | ····</span><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id="5995233589-2">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·131,·SHA:·dd101abebda8dacff24ec3be051ad5c0a76ec71492e08a2f1d951e3ca3e50877·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 141 | </span><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id=" | 141 | </span><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id="5995233589-4">(</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Current</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Next</span><span·cl[·...·truncated·by·diffoscope;·len:·108,·SHA:·9d7a2c619e5ec41425b75810387074fcd1ecd0503f2dc449c786598cf02b9366·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 142 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id=" | 142 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id="5995233589-5">(</span><span·class="n">Fibs</span><span·class="p"·data-group-id="5995233589-5">)</span><span·class="p">;</span><span·class="w"> |
| 143 | </span><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id=" | 143 | </span><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id="5995233589-6">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Current</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Next</span><span·class="p">,</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·59,·SHA:·939f31ae806576e6ec218caf33e1b73637452be4a9df130038391cbad7dcbc8d·...·]-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 144 | ····</span><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id=" | 144 | ····</span><span·class="nf">tail_recursive_fib</span><span·class="p"·data-group-id="5995233589-7">(</span><span·class="n">N</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Next</span><span·class="p">,</span><span·class="w[·...·truncated·by·diffoscope;·len:·415,·SHA:·d21b995440cb5746377fdc108f6671fa182d936cdf230b86a34775d567665195·...·]-7">)</span><span·class="p">.</span></code></pre><h2·id="list-comprehensions"·class="section-heading"> |
| 145 | ··<a·href="#list-comprehensions"·class="hover-link"> | 145 | ··<a·href="#list-comprehensions"·class="hover-link"> |
| 146 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 146 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 147 | ··</a> | 147 | ··</a> |
| 148 | ··<span·class="text">List·Comprehensions</span> | 148 | ··<span·class="text">List·Comprehensions</span> |
| 149 | </h2> | 149 | </h2> |
| 150 | <p>A·list·comprehension:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 150 | <p>A·list·comprehension:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0759474624-1">[</span><span·class="n">Expr</span><span·class="p"·data-group-id="0759474624-2">(</span><span·class="n">E</span><span·class="p"·data-group-id="0759474624-2">)</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·675,·SHA:·f16b2fd283d2c79305a5f20a368490dedbd9ad0ef27a082c857e4b07da36f9b9·...·]7-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 151 | ····</span><span·class="p"·data-group-id=" | 151 | ····</span><span·class="p"·data-group-id="6234390317-3">[</span><span·class="n">Expr</span><span·class="p"·data-group-id="6234390317-4">(</span><span·class="n">E</span><span·class="p"·data-group-id="6234390317-4">)</span><span·class="p">|</span><span·class="nf">'lc^0'</span><span·class="p"[·...·truncated·by·diffoscope;·len:·233,·SHA:·c693d1c37955691fbcf5fa11624fd331aba7aeb8fa1fe23a8769cbd1363de1a5·...·]7-3">]</span><span·class="p">;</span><span·class="w"> |
| 152 | </span><span·class="nf">'lc^0'</span><span·class="p"·data-group-id="1468348127-6">(</span><span·class="p"·data-group-id="1468348127-7">[</span><span·class="p"·data-group-id="1468348127-7">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Expr</span><span·class="p"·data-group-id="1468348127-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="1468348127-8">[</span><span·class="p"·data-group-id="1468348127-8">]</span><span·class="p">.</span></code></pre><p>If·the·result·of·the·list·comprehension·will·<em>obviously</em>·not·be·used,·a·list | ||
| 153 | 152 | </span><span·class="nf">'lc^0'</span><span·class="p"·data-group-id="6234390317-6">(</span><span·class="p"·data-group-id="6234390317-7">[</span><span·class="p"·data-group-id="6234390317-7">]</span><span·class="p">,</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·405,·SHA:·b341b576172a2a0d37cac33d37b70fcfbe46dd3d393ef97d2bb32b0615a62cf5·...·] | |
| 153 | will·not·be·constructed.·For·example,·in·this·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9612766427-1">[</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">put_chars</span><span·class="p"·data-group-id="9612766427-2">(</span><span·class="n">E</span><span·class="p"·data-group-id="9612766427-2">)</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><span·class="n">E</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="n">List</span><span·class="p"·data-group-id="9612766427-1">]</span><span·class="p">,</span><span·class="w"> | ||
| 154 | </span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>or·in·this·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="n">Var</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 154 | </span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>or·in·this·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="n">Var</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 155 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 155 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 156 | ········</span><span·class="p"·data-group-id=" | 156 | ········</span><span·class="p"·data-group-id="2207915617-1">[</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">put_chars</span><span·class="p"·data-group-id="2207915617-2">(</span><span·class="n">E</span><span·class="p"·data-group-id="2207915617-2">)</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·220,·SHA:·b60975cb707ad23a0fdb36464cfe897973979e632ddc377b45fd54e3e6e2d555·...·]-1">]</span><span·class="p">;</span><span·class="w"> |
| 157 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 157 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | </span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 158 | </span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 159 | </span><span·class="nf">some_function</span><span·class="p"·data-group-id=" | 159 | </span><span·class="nf">some_function</span><span·class="p"·data-group-id="2207915617-3">(</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="2207915617-3">)</span><span·class="p">,</span></code></pre><p>the·value·is·not·assigned·to·a·variable,·not·passed·to·another·function,·and·not |
| 160 | returned.·This·means·that·there·is·no·need·to·construct·a·list·and·the·compiler | 160 | returned.·This·means·that·there·is·no·need·to·construct·a·list·and·the·compiler |
| 161 | will·simplify·the·code·for·the·list·comprehension·to:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">'lc^0'</span><span·class="p"·data-group-id=" | 161 | will·simplify·the·code·for·the·list·comprehension·to:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">'lc^0'</span><span·class="p"·data-group-id="3698514958-1">(</span><span·class="p"·data-group-id="3698514958-2">[</span><span·class="n">E</span><span·class="p">|</span><span·class="n">Tail</span><span·class="p"·data-group-id="3698514958-2">]</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·62,·SHA:·6477ccec53bd10b68564ba65a68246a90c96e939007945692f2b2bbb2ba9b254·...·]8-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 162 | ····</span><span·class="n">Expr</span><span·class="p"·data-group-id=" | 162 | ····</span><span·class="n">Expr</span><span·class="p"·data-group-id="3698514958-3">(</span><span·class="n">E</span><span·class="p"·data-group-id="3698514958-3">)</span><span·class="p">,</span><span·class="w"> |
| 163 | ····</span><span·class="nf">'lc^0'</span><span·class="p"·data-group-id=" | 163 | ····</span><span·class="nf">'lc^0'</span><span·class="p"·data-group-id="3698514958-4">(</span><span·class="n">Tail</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Expr</span><span·class="p"·data-group-id="3698514958-4">)</span><span·class="p">;</span><span·class="w"> |
| 164 | </span><span·class="nf">'lc^0'</span><span·class="p"·data-group-id=" | 164 | </span><span·class="nf">'lc^0'</span><span·class="p"·data-group-id="3698514958-5">(</span><span·class="p"·data-group-id="3698514958-6">[</span><span·class="p"·data-group-id="3698514958-6">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Expr</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·193,·SHA:·a10abd1fb31644cb95424088f0ad78fbc91632f4d6fb0bbac1a3bdae5fa20759·...·]8-7">]</span><span·class="p">.</span></code></pre><p>The·compiler·also·understands·that·assigning·to·<code·class="inline">_</code>·means·that·the·value·will |
| 165 | not·be·used.·Therefore,·the·code·in·the·following·example·will·also·be·optimized:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 165 | not·be·used.·Therefore,·the·code·in·the·following·example·will·also·be·optimized:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4693081329-1">[</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">put_chars</span><span·class="p"·data-group-id="4693081329-2">(</span><span·class="n">E</span><span·class="p"·data-group-id="4693081329-2">)</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·220,·SHA:·b0606522bc2ca802779c8958e325de06e9e6d0e455aac135c2968d814557f1db·...·]-1">]</span><span·class="p">,</span><span·class="w"> |
| 166 | </span><span·class="ss">ok</span><span·class="p">.</span></code></pre><h2·id="deep-and-flat-lists"·class="section-heading"> | 166 | </span><span·class="ss">ok</span><span·class="p">.</span></code></pre><h2·id="deep-and-flat-lists"·class="section-heading"> |
| 167 | ··<a·href="#deep-and-flat-lists"·class="hover-link"> | 167 | ··<a·href="#deep-and-flat-lists"·class="hover-link"> |
| 168 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 168 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 169 | ··</a> | 169 | ··</a> |
| 170 | ··<span·class="text">Deep·and·Flat·Lists</span> | 170 | ··<span·class="text">Deep·and·Flat·Lists</span> |
| 171 | </h2> | 171 | </h2> |
| 172 | <p><a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#flatten/1"><code·class="inline">lists:flatten/1</code></a>·builds·an·entirely·new·list.·It·is·therefore·expensive,·and | 172 | <p><a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#flatten/1"><code·class="inline">lists:flatten/1</code></a>·builds·an·entirely·new·list.·It·is·therefore·expensive,·and |
| 173 | even·<em>more</em>·expensive·than·the·<code·class="inline">++</code>·operator·(which·copies·its·left·argument, | 173 | even·<em>more</em>·expensive·than·the·<code·class="inline">++</code>·operator·(which·copies·its·left·argument, |
| 174 | but·not·its·right·argument).</p><p>In·the·following·situations·it·is·unnecessary·to·call·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#flatten/1"><code·class="inline">lists:flatten/1</code></a>:</p><ul><li>When·sending·data·to·a·port.·Ports·understand·deep·lists·so·there·is·no·reason | 174 | but·not·its·right·argument).</p><p>In·the·following·situations·it·is·unnecessary·to·call·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#flatten/1"><code·class="inline">lists:flatten/1</code></a>:</p><ul><li>When·sending·data·to·a·port.·Ports·understand·deep·lists·so·there·is·no·reason |
| 175 | to·flatten·the·list·before·sending·it·to·the·port.</li><li>When·calling·BIFs·that·accept·deep·lists,·such·as | 175 | to·flatten·the·list·before·sending·it·to·the·port.</li><li>When·calling·BIFs·that·accept·deep·lists,·such·as |
| 176 | <a·href="../../erts-15.2.3/doc/html/erlang.html#list_to_binary/1"><code·class="inline">list_to_binary/1</code></a>·or | 176 | <a·href="../../erts-15.2.3/doc/html/erlang.html#list_to_binary/1"><code·class="inline">list_to_binary/1</code></a>·or |
| 177 | <a·href="../../erts-15.2.3/doc/html/erlang.html#iolist_to_binary/1"><code·class="inline">iolist_to_binary/1</code></a>.</li><li>When·you·know·that·your·list·is·only·one·level·deep.·Use·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#append/1"><code·class="inline">lists:append/1</code></a> | 177 | <a·href="../../erts-15.2.3/doc/html/erlang.html#iolist_to_binary/1"><code·class="inline">iolist_to_binary/1</code></a>.</li><li>When·you·know·that·your·list·is·only·one·level·deep.·Use·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#append/1"><code·class="inline">lists:append/1</code></a> |
| 178 | instead.</li></ul><p><em>Examples:</em></p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">port_command</span><span·class="p"·data-group-id="8904291796-1">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">DeepList</span><span·class="p"·data-group-id="8904291796-1">)</span></code></pre><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">port_command</span><span·class="p"·data-group-id="0293614281-1">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="0293614281-2">(</span><span·class="n">DeepList</span><span·class="p"·data-group-id="0293614281-2">)</span><span·class="p"·data-group-id="0293614281-1">)</span></code></pre><p>A·common·way·to·send·a·zero-terminated·string·to·a·port·is·the·following:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">TerminatedStr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">String</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="p"·data-group-id="5544584221-1">[</span><span·class="mi">0</span><span·class="p"·data-group-id="5544584221-1">]</span><span·class="p">,</span><span·class="w"> | ||
| 179 | </span><span·class="nf">port_command</span><span·class="p"·data-group-id="5544584221-2">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TerminatedStr</span><span·class="p"·data-group-id="5544584221-2">)</span></code></pre><p>Instead:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">TerminatedStr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7127073989-1">[</span><span·class="n">String</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="7127073989-1">]</span><span·class="p">,</span><span·class="w"> | ||
| 180 | </span><span·class="nf">port_command</span><span·class="p"·data-group-id="7127073989-2">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TerminatedStr</span><span·class="p"·data-group-id="7127073989-2">)</span></code></pre><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="2700827938-1">(</span><span·class="p"·data-group-id="2700827938-2">[</span><span·class="p"·data-group-id="2700827938-3">[</span><span·class="mi">1</span><span·class="p"·data-group-id="2700827938-3">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2700827938-4">[</span><span·class="mi">2</span><span·class="p"·data-group-id="2700827938-4">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2700827938-5">[</span><span·class="mi">3</span><span·class="p"·data-group-id="2700827938-5">]</span><span·class="p"·data-group-id="2700827938-2">]</span><span·class="p"·data-group-id="2700827938-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 181 | </span><span·class="p"·data-group-id="2700827938-6">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="2700827938-6">]</span></code></pre><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="0774438357-1">(</span><span·class="p"·data-group-id="0774438357-2">[</span><span·class="p"·data-group-id="0774438357-3">[</span><span·class="mi">1</span><span·class="p"·data-group-id="0774438357-3">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0774438357-4">[</span><span·class="mi">2</span><span·class="p"·data-group-id="0774438357-4">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0774438357-5">[</span><span·class="mi">3</span><span·class="p"·data-group-id="0774438357-5">]</span><span·class="p"·data-group-id="0774438357-2">]</span><span·class="p"·data-group-id="0774438357-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 182 | 178 | instead.</li></ul><p><em>Examples:</em></p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">port_command</span><span·class="p"·data-group-id="9383773318-1">(</span><span·class="n">Port</span><span·class="p">,</span[·...·truncated·by·diffoscope;·len:·1188,·SHA:·c3827b40cc6bbcc9f8e9e75bb5c5e158c6a55b3e063f0bee334304940675e64b·...·]"> | |
| 179 | </span><span·class="nf">port_command</span><span·class="p"·data-group-id="0386033933-2">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TerminatedStr</span><span·class="p"·data-group-id="0386033933-2">)</span></code></pre><p>Instead:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">TerminatedStr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4858494992-1">[</span><span·class="n">String</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="4858494992-1">]</span><span·class="p">,</span><span·class="w"> | ||
| 180 | </span><span·class="nf">port_command</span><span·class="p"·data-group-id="4858494992-2">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TerminatedStr</span><span·class="p"·data-group-id="4858494992-2">)</span></code></pre><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="9257060507-1">(</span><span·class="p"·data-group-id="9257060507-2">[</span><span·class="p"·data-group-id="9257060507-3">[</span><span·class="mi">1</span><span·class="p"·data-group-id="9257060507-3">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9257060507-4">[</span><span·class="mi">2</span><span·class="p"·data-group-id="9257060507-4">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9257060507-5">[</span><span·class="mi">3</span><span·class="p"·data-group-id="9257060507-5">]</span><span·class="p"·data-group-id="9257060507-2">]</span><span·class="p"·data-group-id="9257060507-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 181 | </span><span·class="p"·data-group-id="9257060507-6">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="9257060507-6">]</span></code></pre><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="5815839274-1">(</span><span·class="p"·data-group-id="5815839274-2">[</span><span·class="p"·data-group-id="5815839274-3">[</span><span·class="mi">1</span><span·class="p"·data-group-id="5815839274-3">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5815839274-4">[</span><span·class="mi">2</span><span·class="p"·data-group-id="5815839274-4">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5815839274-5">[</span><span·class="mi">3</span><span·class="p"·data-group-id="5815839274-5">]</span><span·class="p"·data-group-id="5815839274-2">]</span><span·class="p"·data-group-id="5815839274-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 182 | </span><span·class="p"·data-group-id="5815839274-6">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="5815839274-6">]</span></code></pre><h2·id="recursive-list-functions"·class="section-heading"> | ||
| 183 | ··<a·href="#recursive-list-functions"·class="hover-link"> | 183 | ··<a·href="#recursive-list-functions"·class="hover-link"> |
| 184 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 184 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 185 | ··</a> | 185 | ··</a> |
| 186 | ··<span·class="text">Recursive·List·Functions</span> | 186 | ··<span·class="text">Recursive·List·Functions</span> |
| 187 | </h2> | 187 | </h2> |
| 188 | <p>There·are·two·basic·ways·to·write·a·function·that·traverses·a·list·and | 188 | <p>There·are·two·basic·ways·to·write·a·function·that·traverses·a·list·and |
| 189 | produces·a·new·list.</p><p>The·first·way·is·writing·a·<em>body-recursive</em>·function:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Add·42·to·each·integer·in·the·list.</span><span·class="w"> | 189 | produces·a·new·list.</p><p>The·first·way·is·writing·a·<em>body-recursive</em>·function:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Add·42·to·each·integer·in·the·list.</span><span·class="w"> |
| 190 | </span><span·class="nf">add_42_body</span><span·class="p"·data-group-id="3 | 190 | </span><span·class="nf">add_42_body</span><span·class="p"·data-group-id="3852556059-1">(</span><span·class="p"·data-group-id="3852556059-2">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="3852556059-2">]</span><span·class="p"·data-group-id="3852556059-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 191 | ····</span><span·class="p"·data-group-id="3 | 191 | ····</span><span·class="p"·data-group-id="3852556059-3">[</span><span·class="n">H</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">42</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">add_42_body</span><span·[·...·truncated·by·diffoscope;·len:·165,·SHA:·b01bc6b130e24036e568c37ca98a2ca35464d6e82cb9337b57102479f5a1664a·...·]-3">]</span><span·class="p">;</span><span·class="w"> |
| 192 | </span><span·class="nf">add_42_body</span><span·class="p"·data-group-id="3 | 192 | </span><span·class="nf">add_42_body</span><span·class="p"·data-group-id="3852556059-5">(</span><span·class="p"·data-group-id="3852556059-6">[</span><span·class="p"·data-group-id="3852556059-6">]</span><span·class="p"·data-group-id="3852556059-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 193 | ····</span><span·class="p"·data-group-id="3 | 193 | ····</span><span·class="p"·data-group-id="3852556059-7">[</span><span·class="p"·data-group-id="3852556059-7">]</span><span·class="p">.</span></code></pre><p>The·second·way·is·writing·a·<em>tail-recursive</em>·function:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Add·42·to·each·integer·in·the·list.</span><span·class="w"> |
| 194 | </span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id=" | 194 | </span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id="4011083821-1">(</span><span·class="n">List</span><span·class="p"·data-group-id="4011083821-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 195 | ····</span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id=" | 195 | ····</span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id="4011083821-2">(</span><span·class="n">List</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4011083821-3">[</span><span·class="p"·data-group-id="4011083821-3">]</span><span·class="p"·data-group-id="4011083821-2">)</span><span·class="p">.</span><span·class="w"> |
| 196 | </span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id=" | 196 | </span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id="4011083821-4">(</span><span·class="p"·data-group-id="4011083821-5">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="4011083821-5">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·59,·SHA:·2a6870cfe5c091d437093dfcf80b5091cc016c454e715a4379daa1a1b3e6efb4·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 197 | ····</span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id=" | 197 | ····</span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id="4011083821-6">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4011083821-7">[</span><span·class="n">H</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·205,·SHA:·de4d50a10088a0de86e1e8e623b4d54268acc64e3027f1b6c9c0ba04d39adb02·...·]-6">)</span><span·class="p">;</span><span·class="w"> |
| 198 | </span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id=" | 198 | </span><span·class="nf">add_42_tail</span><span·class="p"·data-group-id="4011083821-8">(</span><span·class="p"·data-group-id="4011083821-9">[</span><span·class="p"·data-group-id="4011083821-9">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="4011083821-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 199 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id="4011083821-10">(</span><span·class="n">Acc</span><span·class="p"·data-group-id="4011083821-10">)</span><span·class="p">.</span></code></pre><p>In·early·version·of·Erlang·the·tail-recursive·function·would·typically |
| 200 | be·more·efficient.·In·modern·versions·of·Erlang,·there·is·usually·not | 200 | be·more·efficient.·In·modern·versions·of·Erlang,·there·is·usually·not |
| 201 | much·difference·in·performance·between·a·body-recursive·list·function·and | 201 | much·difference·in·performance·between·a·body-recursive·list·function·and |
| 202 | tail-recursive·function·that·reverses·the·list·at·the·end.·Therefore, | 202 | tail-recursive·function·that·reverses·the·list·at·the·end.·Therefore, |
| 203 | concentrate·on·writing·beautiful·code·and·forget·about·the·performance | 203 | concentrate·on·writing·beautiful·code·and·forget·about·the·performance |
| 204 | of·your·list·functions.·In·the·time-critical·parts·of·your·code, | 204 | of·your·list·functions.·In·the·time-critical·parts·of·your·code, |
| 205 | <em>measure</em>·before·rewriting·your·code.</p><p>For·a·thorough·discussion·about·tail·and·body·recursion,·see | 205 | <em>measure</em>·before·rewriting·your·code.</p><p>For·a·thorough·discussion·about·tail·and·body·recursion,·see |
| 206 | <a·href="http://ferd.ca/erlang-s-tail-recursion-is-not-a-silver-bullet.html">Erlang's·Tail·Recursion·is·Not·a·Silver·Bullet</a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·section·is·about·list·functions·that·<em>construct</em>·lists.·A·tail-recursive | 206 | <a·href="http://ferd.ca/erlang-s-tail-recursion-is-not-a-silver-bullet.html">Erlang's·Tail·Recursion·is·Not·a·Silver·Bullet</a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·section·is·about·list·functions·that·<em>construct</em>·lists.·A·tail-recursive |
| 207 | function·that·does·not·construct·a·list·runs·in·constant·space,·while·the | 207 | function·that·does·not·construct·a·list·runs·in·constant·space,·while·the |
| 208 | corresponding·body-recursive·function·uses·stack·space·proportional·to·the | 208 | corresponding·body-recursive·function·uses·stack·space·proportional·to·the |
| 209 | length·of·the·list.</p></section><p>For·example,·a·function·that·sums·a·list·of·integers,·is·<em>not</em>·to·be·written·as | 209 | length·of·the·list.</p></section><p>For·example,·a·function·that·sums·a·list·of·integers,·is·<em>not</em>·to·be·written·as |
| 210 | follows:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">recursive_sum</span><span·class="p"·data-group-id="3090606175-1">(</span><span·class="p"·data-group-id="3090606175-2">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="3090606175-2">]</span><span·class="p"·data-group-id="3090606175-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">H</span><span·class="o">+</span><span·class="nf">recursive_sum</span><span·class="p"·data-group-id="3090606175-3">(</span><span·class="n">T</span><span·class="p"·data-group-id="3090606175-3">)</span><span·class="p">;</span><span·class="w"> | ||
| 211 | </ | 210 | follows:</p><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">recursive_sum</span><span·class="p"·data-group-id="5552889253-1">(</span><span·class="p"·data-group-id="5552889253-2">[</span><span·class="n">H</span[·...·truncated·by·diffoscope;·len:·463,·SHA:·c53546eaae722aad731dd9644f5e5d0906f96d45d6ab5504fd7d2b3c4bf2fe89·...·]</span><span·class="w"> |
| 211 | </span><span·class="nf">recursive_sum</span><span·class="p"·data-group-id="5552889253-4">(</span><span·class="p"·data-group-id="5552889253-5">[</span><span·class="p"·data-group-id="5552889253-5">]</span><span·class="p"·data-group-id="5552889253-4">)</span><span·class="w">····</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span></code></pre><p>Instead:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">sum</span><span·class="p"·data-group-id="1764142049-1">(</span><span·class="n">L</span><span·class="p"·data-group-id="1764142049-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">sum</span><span·class="p"·data-group-id="1764142049-2">(</span><span·class="n">L</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="1764142049-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 212 | </span><span·class="nf">sum</span><span·class="p"·data-group-id=" | 212 | </span><span·class="nf">sum</span><span·class="p"·data-group-id="1764142049-3">(</span><span·class="p"·data-group-id="1764142049-4">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="1764142049-4">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·462,·SHA:·53d6253c3cc99299b45123ee6ec7ef8311dc8bc8d780561ca2e00d5e98bf7d31·...·]-5">)</span><span·class="p">;</span><span·class="w"> |
| 213 | </span><span·class="nf">sum</span><span·class="p"·data-group-id=" | 213 | </span><span·class="nf">sum</span><span·class="p"·data-group-id="1764142049-6">(</span><span·class="p"·data-group-id="1764142049-7">[</span><span·class="p"·data-group-id="1764142049-7">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Sum</span><span·class="p"·data-group-id="1764142049-6">)</span><span·class="w">····</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Sum</span><span·class="p">.</span></code></pre> |
| 214 | </div> | 214 | </div> |
| 215 | <div·class="bottom-actions"·id="bottom-actions"> | 215 | <div·class="bottom-actions"·id="bottom-actions"> |
| 216 | ··<div·class="bottom-actions-item"> | 216 | ··<div·class="bottom-actions-item"> |
| 217 | ······<a·href="maps.html"·class="bottom-actions-button"·rel="prev"> | 217 | ······<a·href="maps.html"·class="bottom-actions-button"·rel="prev"> |
| 218 | ········<span·class="subheader"> | 218 | ········<span·class="subheader"> |
| Offset 261, 15 lines modified | Offset 261, 15 lines modified | ||
| 261 | ······<p·class="built-using"> | 261 | ······<p·class="built-using"> |
| 262 | ········Built·using | 262 | ········Built·using |
| 263 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 263 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 264 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 264 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 265 | ······</p> | 265 | ······</p> |
| 266 | <p>Copyright·©·1996-202 | 266 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 267 | ····</footer> | 267 | ····</footer> |
| 268 | ··</div> | 268 | ··</div> |
| 269 | </main> | 269 | </main> |
| 270 | </div> | 270 | </div> |
| 271 | <script> | 271 | <script> |
| 272 | ··function·mermaidLoaded()·{ | 272 | ··function·mermaidLoaded()·{ |
| 273 | ····mermaid.initialize({ | 273 | ····mermaid.initialize({ |
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| 117 | <h2·id="file-inclusion"·class="section-heading"> | 117 | <h2·id="file-inclusion"·class="section-heading"> |
| 118 | ··<a·href="#file-inclusion"·class="hover-link"> | 118 | ··<a·href="#file-inclusion"·class="hover-link"> |
| 119 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 119 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 120 | ··</a> | 120 | ··</a> |
| 121 | ··<span·class="text">File·Inclusion</span> | 121 | ··<span·class="text">File·Inclusion</span> |
| 122 | </h2> | 122 | </h2> |
| 123 | <p>A·file·can·be·included·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 123 | <p>A·file·can·be·included·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="5544626316-1">(</span><span·class="n">File</span><span·class="p"·data-group-id="5544626316-1">)</span><span·class="p">.</span><span·class="w"> |
| 124 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 124 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="5544626316-2">(</span><span·class="n">File</span><span·class="p"·data-group-id="5544626316-2">)</span><span·class="p">.</span></code></pre><p><code·class="inline">File</code>,·a·string,·is·to·point·out·a·file.·The·contents·of·this·file·are·included |
| 125 | as·is,·at·the·position·of·the·directive.</p><p>Include·files·are·typically·used·for·record·and·macro·definitions·that·are | 125 | as·is,·at·the·position·of·the·directive.</p><p>Include·files·are·typically·used·for·record·and·macro·definitions·that·are |
| 126 | shared·by·several·modules.·It·is·recommended·to·use·the·file·name·extension | 126 | shared·by·several·modules.·It·is·recommended·to·use·the·file·name·extension |
| 127 | <code·class="inline">.hrl</code>·for·include·files.</p><p><code·class="inline">File</code>·can·start·with·a·path·component·<code·class="inline">$VAR</code>,·for·some·string·<code·class="inline">VAR</code>.·If·that·is | 127 | <code·class="inline">.hrl</code>·for·include·files.</p><p><code·class="inline">File</code>·can·start·with·a·path·component·<code·class="inline">$VAR</code>,·for·some·string·<code·class="inline">VAR</code>.·If·that·is |
| 128 | the·case,·the·value·of·the·environment·variable·<code·class="inline">VAR</code>·as·returned·by | 128 | the·case,·the·value·of·the·environment·variable·<code·class="inline">VAR</code>·as·returned·by |
| 129 | <code·class="inline">os:getenv(VAR)</code>·is·substituted·for·<code·class="inline">$VAR</code>.·If·<code·class="inline">os:getenv(VAR)</code>·returns·<code·class="inline">false</code>, | 129 | <code·class="inline">os:getenv(VAR)</code>·is·substituted·for·<code·class="inline">$VAR</code>.·If·<code·class="inline">os:getenv(VAR)</code>·returns·<code·class="inline">false</code>, |
| 130 | <code·class="inline">$VAR</code>·is·left·as·is.</p><p>If·the·filename·<code·class="inline">File</code>·is·absolute·(possibly·after·variable·substitution),·the | 130 | <code·class="inline">$VAR</code>·is·left·as·is.</p><p>If·the·filename·<code·class="inline">File</code>·is·absolute·(possibly·after·variable·substitution),·the |
| 131 | include·file·with·that·name·is·included.·Otherwise,·the·specified·file·is | 131 | include·file·with·that·name·is·included.·Otherwise,·the·specified·file·is |
| 132 | searched·for·in·the·following·directories,·and·in·this·order:</p><ol><li>The·current·working·directory</li><li>The·directory·where·the·module·is·being·compiled</li><li>The·directories·given·by·the·<code·class="inline">include</code>·option</li></ol><p>For·details,·see·<a·href="../../erts-15.2.3/doc/html/erlc_cmd.html">erlc</a>·in·ERTS·and | 132 | searched·for·in·the·following·directories,·and·in·this·order:</p><ol><li>The·current·working·directory</li><li>The·directory·where·the·module·is·being·compiled</li><li>The·directories·given·by·the·<code·class="inline">include</code>·option</li></ol><p>For·details,·see·<a·href="../../erts-15.2.3/doc/html/erlc_cmd.html">erlc</a>·in·ERTS·and |
| 133 | <a·href="../../lib/compiler-8.6/doc/html/compile.html"><code·class="inline">compile</code></a>·in·Compiler.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 133 | <a·href="../../lib/compiler-8.6/doc/html/compile.html"><code·class="inline">compile</code></a>·in·Compiler.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="0491860749-1">(</span><span·class="s">"my_records.hrl"</span><span·class="p"·data-group-id="0491860749-1">)</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 134 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="0491860749-2">(</span><span·class="s">"incdir/my_records.hrl"</span><span·class="p"·data-group-id="0491860749-2">)</span><span·class="p">.</span><span·class="w"> |
| 135 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 135 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="0491860749-3">(</span><span·class="s">"/home/user/proj/my_records.hrl"</span><span·class="p"·data-group-id="0491860749-3">)</span><span·class="p">.</span><span·class="w"> |
| 136 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 136 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="0491860749-4">(</span><span·class="s">"$PROJ_ROOT/my_records.hrl"</span><span·class="p"·data-group-id="0491860749-4">)</span><span·class="p">.</span></code></pre><p><code·class="inline">include_lib</code>·is·similar·to·<code·class="inline">include</code>,·but·is·not·to·point·out·an·absolute·file. |
| 137 | Instead,·the·first·path·component·(possibly·after·variable·substitution)·is | 137 | Instead,·the·first·path·component·(possibly·after·variable·substitution)·is |
| 138 | assumed·to·be·the·name·of·an·application.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="8 | 138 | assumed·to·be·the·name·of·an·application.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="8019034163-1">(</span><span·class="s">"kernel/include/file.hrl"</span><span·class="p"·data-group-id="8019034163-1">)</span><span·class="p">.</span></code></pre><p>The·code·server·uses·<code·class="inline">code:lib_dir(kernel)</code>·to·find·the·directory·of·the·current |
| 139 | (latest)·version·of·Kernel,·and·then·the·subdirectory·<code·class="inline">include</code>·is·searched·for | 139 | (latest)·version·of·Kernel,·and·then·the·subdirectory·<code·class="inline">include</code>·is·searched·for |
| 140 | the·file·<code·class="inline">file.hrl</code>.</p><h2·id="defining-and-using-macros"·class="section-heading"> | 140 | the·file·<code·class="inline">file.hrl</code>.</p><h2·id="defining-and-using-macros"·class="section-heading"> |
| 141 | ··<a·href="#defining-and-using-macros"·class="hover-link"> | 141 | ··<a·href="#defining-and-using-macros"·class="hover-link"> |
| 142 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 142 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 143 | ··</a> | 143 | ··</a> |
| 144 | ··<span·class="text">Defining·and·Using·Macros</span> | 144 | ··<span·class="text">Defining·and·Using·Macros</span> |
| 145 | </h2> | 145 | </h2> |
| 146 | <p>A·macro·is·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2001837975-1">(</span><span·class="n">Const</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Replacement</span><span·class="p"·data-group-id="2001837975-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 147 | < | 146 | <p>A·macro·is·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="6564629809-1">(</span><span·class="n">Const</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·138,·SHA:·68cdc1497951f336f3797002a74ac310517e4993b2f5c11510fc240a4a0002e2·...·] |
| 147 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="6564629809-2">(</span><span·class="n">Func</span><span·class="p"·data-group-id="6564629809-3">(</span><span·class="n">Var1</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="n">VarN</span><span·class="p"·data-group-id="6564629809-3">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Replacement</span><span·class="p"·data-group-id="6564629809-2">)</span><span·class="p">.</span></code></pre><p>A·macro·definition·can·be·placed·anywhere·among·the·attributes·and·function | ||
| 148 | declarations·of·a·module,·but·the·definition·must·come·before·any·usage·of·the | 148 | declarations·of·a·module,·but·the·definition·must·come·before·any·usage·of·the |
| 149 | macro.</p><p>If·a·macro·is·used·in·several·modules,·it·is·recommended·that·the·macro | 149 | macro.</p><p>If·a·macro·is·used·in·several·modules,·it·is·recommended·that·the·macro |
| 150 | definition·is·placed·in·an·include·file.</p><p>A·macro·is·used·as·follows:</p><pre><code·class="text">?Const | 150 | definition·is·placed·in·an·include·file.</p><p>A·macro·is·used·as·follows:</p><pre><code·class="text">?Const |
| 151 | ?Func(Arg1,...,ArgN)</code></pre><p>Macros·are·expanded·during·compilation.·A·simple·macro·<code·class="inline">?Const</code>·is·replaced·with | 151 | ?Func(Arg1,...,ArgN)</code></pre><p>Macros·are·expanded·during·compilation.·A·simple·macro·<code·class="inline">?Const</code>·is·replaced·with |
| 152 | <code·class="inline">Replacement</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2 | 152 | <code·class="inline">Replacement</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="9124064107-1">(</span><span·class="n">TIMEOUT</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">200</span><span·class="p"·data-group-id="9124064107-1">)</span><span·class="p">.</span><span·class="w"> |
| 153 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 153 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="nf">call</span><span·class="p"·data-group-id="2 | 154 | </span><span·class="nf">call</span><span·class="p"·data-group-id="9124064107-2">(</span><span·class="n">Request</span><span·class="p"·data-group-id="9124064107-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 155 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="2 | 155 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="9124064107-3">(</span><span·class="ss">refserver</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Request</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">TIMEOUT</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·296,·SHA:·a3ff49f5545a98d296beae635ae038ea33e888b92f52c7c0d097c93cec4a5636·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 156 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 156 | ····</span><span·class="nc">server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="9008170765-2">(</span><span·class="ss">refserver</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Request</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">200</span><span·class="p"·data-group-id="9008170765-2">)</span><span·class="p">.</span></code></pre><p>A·macro·<code·class="inline">?Func(Arg1,...,ArgN)</code>·is·replaced·with·<code·class="inline">Replacement</code>,·where·all |
| 157 | occurrences·of·a·variable·<code·class="inline">Var</code>·from·the·macro·definition·are·replaced·with·the | 157 | occurrences·of·a·variable·<code·class="inline">Var</code>·from·the·macro·definition·are·replaced·with·the |
| 158 | corresponding·argument·<code·class="inline">Arg</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 158 | corresponding·argument·<code·class="inline">Arg</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="8602722294-1">(</span><span·class="n">MACRO1</span><span·class="p"·data-group-id="8602722294-2">(</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="8602722294-2">)</span><sp[·...·truncated·by·diffoscope;·len:·434,·SHA:·8601771eb8878b6e3211dcc35fbb3ac679b59234b73fddf7cbde7ff27be5cb7b·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 159 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 160 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 160 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="8602722294-4">(</span><span·class="n">X</span><span·class="p"·data-group-id="8602722294-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 161 | ····</span><span·class="o">?</span><span·class="n">MACRO1</span><span·class="p"·data-group-id=" | 161 | ····</span><span·class="o">?</span><span·class="n">MACRO1</span><span·class="p"·data-group-id="8602722294-5">(</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b</span><span·class="p"·data-group-id="8602722294-5">)</span><span·class="p">,</span><span·class="w"> |
| 162 | ····</span><span·class="o">?</span><span·class="n">MACRO1</span><span·class="p"·data-group-id=" | 162 | ····</span><span·class="o">?</span><span·class="n">MACRO1</span><span·class="p"·data-group-id="8602722294-6">(</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">123</span><span·class="p"·data-group-id="8602722294-6">)</span></code></pre><p>This·is·expanded·to:</p><pre><code·class="makeup·erlang"·translate[·...·truncated·by·diffoscope;·len:·151,·SHA:·98d07a7901c279fe04dea22f10be1d45bd235017cf9295e3e9a18f2a06ca8012·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 163 | ····</span><span·class="p"·data-group-id=" | 163 | ····</span><span·class="p"·data-group-id="0950373599-2">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">b</span><span·class="p"·data-group-id="0950373599-2">}</span><span·class="p">,</span><span·class="w"> |
| 164 | ····</span><span·class="p"·data-group-id=" | 164 | ····</span><span·class="p"·data-group-id="0950373599-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="n">X</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="mi">123</span><span·class="p"·data-group-id="0950373599-3">}</span><span·class="p">.</span></code></pre><p>It·is·good·programming·practice,·but·not·mandatory,·to·ensure·that·a·macro |
| 165 | definition·is·a·valid·Erlang·syntactic·form.</p><p>To·view·the·result·of·macro·expansion,·a·module·can·be·compiled·with·the·<code·class="inline">'P'</code> | 165 | definition·is·a·valid·Erlang·syntactic·form.</p><p>To·view·the·result·of·macro·expansion,·a·module·can·be·compiled·with·the·<code·class="inline">'P'</code> |
| 166 | option.·<code·class="inline">compile:file(File,·['P'])</code>.·This·produces·a·listing·of·the·parsed·code | 166 | option.·<code·class="inline">compile:file(File,·['P'])</code>.·This·produces·a·listing·of·the·parsed·code |
| 167 | after·preprocessing·and·parse·transforms,·in·the·file·<code·class="inline">File.P</code>.</p><h2·id="predefined-macros"·class="section-heading"> | 167 | after·preprocessing·and·parse·transforms,·in·the·file·<code·class="inline">File.P</code>.</p><h2·id="predefined-macros"·class="section-heading"> |
| 168 | ··<a·href="#predefined-macros"·class="hover-link"> | 168 | ··<a·href="#predefined-macros"·class="hover-link"> |
| 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 170 | ··</a> | 170 | ··</a> |
| 171 | ··<span·class="text">Predefined·Macros</span> | 171 | ··<span·class="text">Predefined·Macros</span> |
| Offset 185, 29 lines modified | Offset 185, 29 lines modified | ||
| 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 186 | ··</a> | 186 | ··</a> |
| 187 | ··<span·class="text">Macros·Overloading</span> | 187 | ··<span·class="text">Macros·Overloading</span> |
| 188 | </h2> | 188 | </h2> |
| 189 | <p>It·is·possible·to·overload·macros,·except·for·predefined·macros.·An·overloaded | 189 | <p>It·is·possible·to·overload·macros,·except·for·predefined·macros.·An·overloaded |
| 190 | macro·has·more·than·one·definition,·each·with·a·different·number·of·arguments.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Support·for·overloading·of·macros·was·added·in·Erlang·5.7.5/OTP·R13B04.</p></section><p>A·macro·<code·class="inline">?Func(Arg1,...,ArgN)</code>·with·a·(possibly·empty)·list·of·arguments·results | 190 | macro·has·more·than·one·definition,·each·with·a·different·number·of·arguments.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Support·for·overloading·of·macros·was·added·in·Erlang·5.7.5/OTP·R13B04.</p></section><p>A·macro·<code·class="inline">?Func(Arg1,...,ArgN)</code>·with·a·(possibly·empty)·list·of·arguments·results |
| 191 | in·an·error·message·if·there·is·at·least·one·definition·of·<code·class="inline">Func</code>·with | 191 | in·an·error·message·if·there·is·at·least·one·definition·of·<code·class="inline">Func</code>·with |
| 192 | arguments,·but·none·with·N·arguments.</p><p>Assuming·these·definitions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2 | 192 | arguments,·but·none·with·N·arguments.</p><p>Assuming·these·definitions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2098636610-1">(</span><span·class="n">F0</span><span·class="p"·data-group-id="2098636610-2">(</span><span·class="p"·data-group-id="2098636610-2">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">c</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·10,·SHA:·fa96c28eb25a8c5a54214172496490a43ed69dd190b9059c74376287969d63e8·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 193 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2 | 193 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2098636610-3">(</span><span·class="n">F1</span><span·class="p"·data-group-id="2098636610-4">(</span><span·class="n">A</span><span·class="p"·data-group-id="2098636610-4">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">A</span><span·cl[·...·truncated·by·diffoscope;·len:·33,·SHA:·3870150e2f025e0c4911257535d50c2d8c548d205d188e8b1ea93da6c59334a3·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 194 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2 | 194 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2098636610-5">(</span><span·class="n">C</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">m</span><span·class="p">:</span><span·class="ss">f</span><span·class="p"·data-group-id="2098636610-5">)</span><span·class="p">.</span></code></pre[·...·truncated·by·diffoscope;·len:·204,·SHA:·750cf02d5c0a04de6ad540e809170d9556b6d15af326ee17f266425f10b99656·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 195 | ····</span><span·class="o">?</span><span·class="n">F0</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·No,·an·empty·list·of·arguments·expected.</span><span·class="w"> | 195 | ····</span><span·class="o">?</span><span·class="n">F0</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·No,·an·empty·list·of·arguments·expected.</span><span·class="w"> |
| 196 | </span><span·class="nf">f1</span><span·class="p"·data-group-id=" | 196 | </span><span·class="nf">f1</span><span·class="p"·data-group-id="8423352023-2">(</span><span·class="n">A</span><span·class="p"·data-group-id="8423352023-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 197 | ····</span><span·class="o">?</span><span·class="n">F1</span><span·class="p"·data-group-id=" | 197 | ····</span><span·class="o">?</span><span·class="n">F1</span><span·class="p"·data-group-id="8423352023-3">(</span><span·class="n">A</span><span·class="p">,</span><span·class="w">·</span><span·class="n">A</span><span·class="p"·data-group-id="8423352023-3">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·No,·exactly·one·argument·expected.</span></code></pre><p>On·the·other·hand,</p><pre><code·class="text">f()·-> |
| 198 | ····?C().</code></pre><p>is·expanded·to</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id=" | 198 | ····?C().</code></pre><p>is·expanded·to</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id="2997372256-1">(</span><span·class="p"·data-group-id="2997372256-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 199 | ····</span><span·class="nc">m</span><span·class="p">:</span><span·class="nf">f</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="nc">m</span><span·class="p">:</span><span·class="nf">f</span><span·class="p"·data-group-id="2997372256-2">(</span><span·class="p"·data-group-id="2997372256-2">)</span><span·class="p">.</span></code></pre><h2·id="removing-a-macro-definition"·class="section-heading"> |
| 200 | ··<a·href="#removing-a-macro-definition"·class="hover-link"> | 200 | ··<a·href="#removing-a-macro-definition"·class="hover-link"> |
| 201 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 201 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 202 | ··</a> | 202 | ··</a> |
| 203 | ··<span·class="text">Removing·a·macro·definition</span> | 203 | ··<span·class="text">Removing·a·macro·definition</span> |
| 204 | </h2> | 204 | </h2> |
| 205 | <p>A·definition·of·macro·can·be·removed·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">undef</span><span·class="p"·data-group-id=" | 205 | <p>A·definition·of·macro·can·be·removed·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">undef</span><span·class="p"·data-group-id="8720091801-1">(</span><span·class="n">Macro</span><span·class="p"·data-group-id="8720091801-1">)</span><span·class="p">.</span></code></pre><h2·id="conditional-compilation"·class="section-heading"> |
| 206 | ··<a·href="#conditional-compilation"·class="hover-link"> | 206 | ··<a·href="#conditional-compilation"·class="hover-link"> |
| 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 208 | ··</a> | 208 | ··</a> |
| 209 | ··<span·class="text">Conditional·Compilation</span> | 209 | ··<span·class="text">Conditional·Compilation</span> |
| 210 | </h2> | 210 | </h2> |
| 211 | <p>The·following·macro·directives·support·conditional·compilation:</p><ul><li><p><strong><code·class="inline">-ifdef(Macro).</code></strong>·-·Evaluate·the·following·lines·only·if·<code·class="inline">Macro</code>·is | 211 | <p>The·following·macro·directives·support·conditional·compilation:</p><ul><li><p><strong><code·class="inline">-ifdef(Macro).</code></strong>·-·Evaluate·the·following·lines·only·if·<code·class="inline">Macro</code>·is |
| 212 | defined.</p></li><li><p><strong><code·class="inline">-ifndef(Macro).</code></strong>·-·Evaluate·the·following·lines·only·if·<code·class="inline">Macro</code>·is·not | 212 | defined.</p></li><li><p><strong><code·class="inline">-ifndef(Macro).</code></strong>·-·Evaluate·the·following·lines·only·if·<code·class="inline">Macro</code>·is·not |
| Offset 219, 43 lines modified | Offset 219, 43 lines modified | ||
| 219 | true,·and·the·<code·class="inline">Condition</code>·evaluates·to·true,·the·lines·following·the·<code·class="inline">elif</code> | 219 | true,·and·the·<code·class="inline">Condition</code>·evaluates·to·true,·the·lines·following·the·<code·class="inline">elif</code> |
| 220 | are·evaluated·instead.</p></li><li><p><strong><code·class="inline">-endif.</code></strong>·-·Specifies·the·end·of·a·series·of·control·flow·directives.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Macro·directives·cannot·be·used·inside·functions.</p></section><p>Syntactically,·the·<code·class="inline">Condition</code>·in·<code·class="inline">if</code>·and·<code·class="inline">elif</code>·must·be·a | 220 | are·evaluated·instead.</p></li><li><p><strong><code·class="inline">-endif.</code></strong>·-·Specifies·the·end·of·a·series·of·control·flow·directives.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Macro·directives·cannot·be·used·inside·functions.</p></section><p>Syntactically,·the·<code·class="inline">Condition</code>·in·<code·class="inline">if</code>·and·<code·class="inline">elif</code>·must·be·a |
| 221 | <a·href="expressions.html#guard-expressions">guard·expression</a>.·Other·constructs·(such·as | 221 | <a·href="expressions.html#guard-expressions">guard·expression</a>.·Other·constructs·(such·as |
| 222 | a·<code·class="inline">case</code>·expression)·result·in·a·compilation·error.</p><p>As·opposed·to·the·standard·guard·expressions,·an·expression·in·an·<code·class="inline">if</code>·and | 222 | a·<code·class="inline">case</code>·expression)·result·in·a·compilation·error.</p><p>As·opposed·to·the·standard·guard·expressions,·an·expression·in·an·<code·class="inline">if</code>·and |
| 223 | <code·class="inline">elif</code>·also·supports·calling·the·psuedo-function·<code·class="inline">defined(Name)</code>,·which·tests | 223 | <code·class="inline">elif</code>·also·supports·calling·the·psuedo-function·<code·class="inline">defined(Name)</code>,·which·tests |
| 224 | whether·the·<code·class="inline">Name</code>·argument·is·the·name·of·a·previously·defined·macro. | 224 | whether·the·<code·class="inline">Name</code>·argument·is·the·name·of·a·previously·defined·macro. |
| 225 | <code·class="inline">defined(Name)</code>·evaluates·to·<code·class="inline">true</code>·if·the·macro·is·defined·and·<code·class="inline">false</code> | 225 | <code·class="inline">defined(Name)</code>·evaluates·to·<code·class="inline">true</code>·if·the·macro·is·defined·and·<code·class="inline">false</code> |
| 226 | otherwise.·An·attempt·to·call·other·functions·results·in·a·compilation·error.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1 | 226 | otherwise.·An·attempt·to·call·other·functions·results·in·a·compilation·error.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4190378130-1">(</span><span·class="ss">m</span><span·class="p"·data-group-id="4190378130-1">)</span><span·class="p">.</span><span·class="w"> |
| 227 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 227 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 228 | </span><span·class="w"> | 228 | </span><span·class="w"> |
| 229 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1 | 229 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="4190378130-2">(</span><span·class="ss">debug</span><span·class="p"·data-group-id="4190378130-2">)</span><span·class="p">.</span><span·class="w"> |
| 230 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1 | 230 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="4190378130-3">(</span><span·class="n">LOG</span><span·class="p"·data-group-id="4190378130-4">(</span><span·class="n">X</span><span·class="p"·data-group-id="4190378130-4">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">io</span><spa[·...·truncated·by·diffoscope;·len:·739,·SHA:·518918460916a5df4f057642494a58f1bd069fc3e1e4620b5f3b41398b2e42f8·...·]0-3">)</span><span·class="p">.</span><span·class="w"> |
| 231 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 231 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 232 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1 | 232 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="4190378130-7">(</span><span·class="n">LOG</span><span·class="p"·data-group-id="4190378130-8">(</span><span·class="n">X</span><span·class="p"·data-group-id="4190378130-8">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><s[·...·truncated·by·diffoscope;·len:·38,·SHA:·e19ec18f027733e10ef963d21fa8cdfb7907006eb8360ad768603df72b065c64·...·]0-7">)</span><span·class="p">.</span><span·class="w"> |
| 233 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 233 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 234 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>When·trace·output·is·desired,·<code·class="inline">debug</code>·is·to·be·defined·when·the·module·<code·class="inline">m</code>·is | 234 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>When·trace·output·is·desired,·<code·class="inline">debug</code>·is·to·be·defined·when·the·module·<code·class="inline">m</code>·is |
| 235 | compiled:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erlc·-Ddebug·m.erl</span><span·class="w"> | 235 | compiled:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erlc·-Ddebug·m.erl</span><span·class="w"> |
| 236 | </span><span·class="ow">or</span><span·class="w"> | 236 | </span><span·class="ow">or</span><span·class="w"> |
| 237 | </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nf">c</span><span·class="p"·data-group-id="0 | 237 | </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nf">c</span><span·class="p"·data-group-id="0556968867-1">(</span><span·class="ss">m</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0556968867-2">{</span><span·class="ss">d</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">debug</span><span·c[·...·truncated·by·diffoscope;·len:·87,·SHA:·b6666a276bd9b71194a7bdb0068b3ad80ebf17f04b6c8e62e161adab98cf2973·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 238 | </span><span·class="p"·data-group-id="0973509376-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">m</span><span·class="p"·data-group-id="0973509376-3">}</span></code></pre><p><code·class="inline">?LOG(Arg)</code>·is·then·expanded·to·a·call·to·<a·href="../../lib/stdlib-6.2.1/doc/html/io.html#format/2"><code·class="inline">io:format/2</code></a>·and·provide·the·user | ||
| 239 | 238 | </span><span·class="p"·data-group-id="0556968867-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">m</span><span·class="p"·data-group-id="0556968867-3">}</span></code></pre><p><code·class="inline">?LOG(Arg)</code>·is·then·expand[·...·truncated·by·diffoscope;·len:·139,·SHA:·81aa4b261fc35763d1e49648e33c9024420c1981646c06768de9da41fd3bd87b·...·] | |
| 239 | with·some·simple·trace·output.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2013082042-1">(</span><span·class="ss">m</span><span·class="p"·data-group-id="2013082042-1">)</span><span·class="w"> | ||
| 240 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 240 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 241 | </span><span·class="p">-</span><span·class="na">if</span><span·class="p"·data-group-id="0 | 241 | </span><span·class="p">-</span><span·class="na">if</span><span·class="p"·data-group-id="2013082042-2">(</span><span·class="o">?</span><span·class="n">OTP_RELEASE</span><span·class="w">·</span><span·class="o">>=</span><span·class="w">·</span><span·class="mi">25</span><span·class="p"·data-group-id="2013082042-2">)</span><span·class="p">.</span><span·class="w"> |
| 242 | </span><span·class="c1">%%·Code·that·will·work·in·OTP·25·or·higher</span><span·class="w"> | 242 | </span><span·class="c1">%%·Code·that·will·work·in·OTP·25·or·higher</span><span·class="w"> |
| 243 | </span><span·class="p">-</span><span·class="na">elif</span><span·class="p"·data-group-id="0 | 243 | </span><span·class="p">-</span><span·class="na">elif</span><span·class="p"·data-group-id="2013082042-3">(</span><span·class="o">?</span><span·class="n">OTP_RELEASE</span><span·class="w">·</span><span·class="o">>=</span><span·class="w">·</span><span·class="mi">26</span><span·class="p"·data-group-id="2013082042-3">)</span><span·class="p">.</span><span·class="w"> |
| 244 | </span><span·class="c1">%%·Code·that·will·work·in·OTP·26·or·higher</span><span·class="w"> | 244 | </span><span·class="c1">%%·Code·that·will·work·in·OTP·26·or·higher</span><span·class="w"> |
| 245 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 245 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 246 | </span><span·class="c1">%%·Code·that·will·work·in·OTP·24·or·lower.</span><span·class="w"> | 246 | </span><span·class="c1">%%·Code·that·will·work·in·OTP·24·or·lower.</span><span·class="w"> |
| 247 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 247 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 248 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>This·code·uses·the·<code·class="inline">OTP_RELEASE</code>·macro·to·conditionally·select·code·depending·on | 248 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>This·code·uses·the·<code·class="inline">OTP_RELEASE</code>·macro·to·conditionally·select·code·depending·on |
| 249 | release.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 249 | release.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="3274088907-1">(</span><span·class="ss">m</span><span·class="p"·data-group-id="3274088907-1">)</span><span·class="w"> |
| 250 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 250 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 251 | </span><span·class="p">-</span><span·class="na">if</span><span·class="p"·data-group-id=" | 251 | </span><span·class="p">-</span><span·class="na">if</span><span·class="p"·data-group-id="3274088907-2">(</span><span·class="o">?</span><span·class="n">OTP_RELEASE</span><span·class="w">·</span><span·class="o">>=</span><span·class="w">·</span><span·class="mi">26</span><span·class="w">·</span><span·class="ow">andalso</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·212,·SHA:·5233f3550554f7095d57238ae0a2dbbdf89e97e448e05dcc4780226f9e2e3163·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 252 | </span><span·class="c1">%%·Debugging·code·that·requires·OTP·26·or·later.</span><span·class="w"> | 252 | </span><span·class="c1">%%·Debugging·code·that·requires·OTP·26·or·later.</span><span·class="w"> |
| 253 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 253 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
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| 148 | single·function·that·constructs·the·map·using·the·map·syntax·and·always·use | 148 | single·function·that·constructs·the·map·using·the·map·syntax·and·always·use |
| 149 | it.</p></li><li><p>Always·update·the·map·using·the·<code·class="inline">:=</code>·operator·(that·is,·requiring·that·an | 149 | it.</p></li><li><p>Always·update·the·map·using·the·<code·class="inline">:=</code>·operator·(that·is,·requiring·that·an |
| 150 | element·with·that·key·already·exists).·The·<code·class="inline">:=</code>·operator·is·slightly·more | 150 | element·with·that·key·already·exists).·The·<code·class="inline">:=</code>·operator·is·slightly·more |
| 151 | efficient,·and·it·helps·catching·mispellings·of·keys.</p></li><li><p>Whenever·possible,·match·multiple·map·elements·at·once.</p></li><li><p>Whenever·possible,·update·multiple·map·elements·at·once.</p></li><li><p>Avoid·default·values·and·the·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a>·function.·If·there·are·default | 151 | efficient,·and·it·helps·catching·mispellings·of·keys.</p></li><li><p>Whenever·possible,·match·multiple·map·elements·at·once.</p></li><li><p>Whenever·possible,·update·multiple·map·elements·at·once.</p></li><li><p>Avoid·default·values·and·the·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a>·function.·If·there·are·default |
| 152 | values,·sharing·of·keys·between·different·instances·of·the·map·will·be·less | 152 | values,·sharing·of·keys·between·different·instances·of·the·map·will·be·less |
| 153 | effective,·and·it·is·not·possible·to·match·multiple·elements·having·default | 153 | effective,·and·it·is·not·possible·to·match·multiple·elements·having·default |
| 154 | values·in·one·go.</p></li><li><p>To·avoid·having·to·deal·with·a·map·that·may·lack·some·keys,·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#merge/2"><code·class="inline">maps:merge/2</code></a>·can | 154 | values·in·one·go.</p></li><li><p>To·avoid·having·to·deal·with·a·map·that·may·lack·some·keys,·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#merge/2"><code·class="inline">maps:merge/2</code></a>·can |
| 155 | efficiently·add·multiple·default·values.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">DefaultMap</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 155 | efficiently·add·multiple·default·values.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">DefaultMap</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2646168527-1">#{</span><span·class="ss">shoe_size</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">42</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">editor</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·126,·SHA:·c0528c5e4a26020fe6dda571ce5ff3ab0ca126b2e2af8b971916603414c7c7eb·...·]-1">}</span><span·class="p">,</span><span·class="w"> |
| 156 | </span><span·class="n">MapWithDefaultsApplied</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">merge</span><span·class="p"·data-group-id=" | 156 | </span><span·class="n">MapWithDefaultsApplied</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">merge</span><span·class="p"·data-group-id="2646168527-2">(</span><span·class="n">DefaultMap</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OtherMap</span><span·class="p"·data-group-id="2646168527-2">)</span></code></pre></li></ul><h2·id="using-maps-as-dictionaries"·class="section-heading"> |
| 157 | ··<a·href="#using-maps-as-dictionaries"·class="hover-link"> | 157 | ··<a·href="#using-maps-as-dictionaries"·class="hover-link"> |
| 158 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 158 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 159 | ··</a> | 159 | ··</a> |
| 160 | ··<span·class="text">Using·Maps·as·Dictionaries</span> | 160 | ··<span·class="text">Using·Maps·as·Dictionaries</span> |
| 161 | </h2> | 161 | </h2> |
| 162 | <p>Using·a·map·as·a·dictionary·implies·the·following·usage·pattern:</p><ul><li>Keys·are·usually·variables·not·known·at·compile-time.</li><li>There·can·be·any·number·of·elements·in·the·map.</li><li>Usually,·no·more·than·one·element·is·looked·up·or·updated·at·once.</li></ul><p>Given·that·usage·pattern,·the·difference·in·performance·between·using·the·map | 162 | <p>Using·a·map·as·a·dictionary·implies·the·following·usage·pattern:</p><ul><li>Keys·are·usually·variables·not·known·at·compile-time.</li><li>There·can·be·any·number·of·elements·in·the·map.</li><li>Usually,·no·more·than·one·element·is·looked·up·or·updated·at·once.</li></ul><p>Given·that·usage·pattern,·the·difference·in·performance·between·using·the·map |
| 163 | syntax·and·the·maps·module·is·usually·small.·Therefore,·which·one·to·use·is | 163 | syntax·and·the·maps·module·is·usually·small.·Therefore,·which·one·to·use·is |
| Offset 167, 18 lines modified | Offset 167, 18 lines modified | ||
| 167 | choice.</li></ul><h2·id="using-maps-as-sets"·class="section-heading"> | 167 | choice.</li></ul><h2·id="using-maps-as-sets"·class="section-heading"> |
| 168 | ··<a·href="#using-maps-as-sets"·class="hover-link"> | 168 | ··<a·href="#using-maps-as-sets"·class="hover-link"> |
| 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 170 | ··</a> | 170 | ··</a> |
| 171 | ··<span·class="text">Using·Maps·as·Sets</span> | 171 | ··<span·class="text">Using·Maps·as·Sets</span> |
| 172 | </h2> | 172 | </h2> |
| 173 | <p>Starting·in·OTP·24,·the·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html"><code·class="inline">sets</code></a>·module·has·an·option·to·represent·sets·as·maps. | 173 | <p>Starting·in·OTP·24,·the·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html"><code·class="inline">sets</code></a>·module·has·an·option·to·represent·sets·as·maps. |
| 174 | Examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">sets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 174 | Examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">sets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="3111753060-1">(</span><span·class="p"·data-group-id="3111753060-2">[</span><span·class="p"·data-group-id="3111753060-3">{</span><span·class="ss">version</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="3111753060-3">}</[·...·truncated·by·diffoscope;·len:·99,·SHA:·ff33c841339ef8b7f288bd09e33641881aeb824e3daef3d331a64d2400e01398·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="p"·data-group-id=" | 175 | </span><span·class="p"·data-group-id="3111753060-4">#{</span><span·class="p"·data-group-id="3111753060-4">}</span><span·class="gp·unselectable"> |
| 176 | 2>·</span><span·class="nc">sets</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 176 | 2>·</span><span·class="nc">sets</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="3111753060-5">(</span><span·class="p"·data-group-id="3111753060-6">[</span><span·class="ss">x</span><span·class="p">,</span><span·class="ss">y</span><span·class="p">,</span><span·class="ss">z</span><span·class="p"·data-group-id="3111753060-6">]</span><span[·...·truncated·by·diffoscope;·len:·376,·SHA:·69220245032cc5b6959c70591aa7551052750ee8117f8791818b7689254b6b75·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 177 | </span><span·class="p"·data-group-id=" | 177 | </span><span·class="p"·data-group-id="3111753060-9">#{</span><span·class="ss">x</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="3111753060-10">[</span><span·class="p"·data-group-id="3111753060-10">]</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·483,·SHA:·546380cf3d69c6a5c03d97a861d42e2a8bda3ec140df2ad206426233273731af·...·]-9">}</span></code></pre><p><code·class="inline">sets</code>·backed·by·maps·is·generally·the·most·efficient·set·representation,·with·a |
| 178 | few·possible·exceptions:</p><ul><li><a·href="../../lib/stdlib-6.2.1/doc/html/ordsets.html#intersection/2"><code·class="inline">ordsets:intersection/2</code></a>·can·be·more·efficient·than·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#intersection/2"><code·class="inline">sets:intersection/2</code></a>.·If | 178 | few·possible·exceptions:</p><ul><li><a·href="../../lib/stdlib-6.2.1/doc/html/ordsets.html#intersection/2"><code·class="inline">ordsets:intersection/2</code></a>·can·be·more·efficient·than·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#intersection/2"><code·class="inline">sets:intersection/2</code></a>.·If |
| 179 | the·intersection·operation·is·frequently·used·and·operations·that·operate·on·a | 179 | the·intersection·operation·is·frequently·used·and·operations·that·operate·on·a |
| 180 | single·element·in·a·set·(such·as·<code·class="inline">is_element/2</code>)·are·avoided,·<a·href="../../lib/stdlib-6.2.1/doc/html/ordsets.html"><code·class="inline">ordsets</code></a>·can | 180 | single·element·in·a·set·(such·as·<code·class="inline">is_element/2</code>)·are·avoided,·<a·href="../../lib/stdlib-6.2.1/doc/html/ordsets.html"><code·class="inline">ordsets</code></a>·can |
| 181 | be·a·better·choice·than·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html"><code·class="inline">sets</code></a>.</li><li>If·the·intersection·operation·is·frequently·used·and·operations·that·operate | 181 | be·a·better·choice·than·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html"><code·class="inline">sets</code></a>.</li><li>If·the·intersection·operation·is·frequently·used·and·operations·that·operate |
| 182 | on·a·single·element·in·a·set·(such·as·<code·class="inline">is_element/2</code>)·must·also·be·efficient, | 182 | on·a·single·element·in·a·set·(such·as·<code·class="inline">is_element/2</code>)·must·also·be·efficient, |
| 183 | <a·href="../../lib/stdlib-6.2.1/doc/html/gb_sets.html"><code·class="inline">gb_sets</code></a>·can·potentially·be·a·better·choice·than·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html"><code·class="inline">sets</code></a>.</li><li>If·the·elements·of·the·set·are·integers·in·a·fairly·compact·range,·the·set·can | 183 | <a·href="../../lib/stdlib-6.2.1/doc/html/gb_sets.html"><code·class="inline">gb_sets</code></a>·can·potentially·be·a·better·choice·than·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html"><code·class="inline">sets</code></a>.</li><li>If·the·elements·of·the·set·are·integers·in·a·fairly·compact·range,·the·set·can |
| 184 | be·represented·as·an·integer·where·each·bit·represents·an·element·in·the·set. | 184 | be·represented·as·an·integer·where·each·bit·represents·an·element·in·the·set. |
| Offset 203, 18 lines modified | Offset 203, 18 lines modified | ||
| 203 | for·the·runtime·system).</p></li><li><p><strong>N</strong>·-·The·number·of·elements·in·the·map.</p></li><li><p><strong>Keys</strong>·-·A·tuple·with·keys·of·the·map:·<code·class="inline">{Key1,...,KeyN}</code>.·The·keys·are | 203 | for·the·runtime·system).</p></li><li><p><strong>N</strong>·-·The·number·of·elements·in·the·map.</p></li><li><p><strong>Keys</strong>·-·A·tuple·with·keys·of·the·map:·<code·class="inline">{Key1,...,KeyN}</code>.·The·keys·are |
| 204 | sorted.</p></li><li><p><strong>Value1</strong>·-·The·value·corresponding·to·the·first·key·in·the·key·tuple.</p></li><li><p><strong>ValueN</strong>·-·The·value·corresponding·to·the·last·key·in·the·key·tuple.</p></li></ul><p>As·an·example,·let·us·look·at·how·the·map·<code·class="inline">#{a·=>·foo,·z·=>·bar}</code>·is | 204 | sorted.</p></li><li><p><strong>Value1</strong>·-·The·value·corresponding·to·the·first·key·in·the·key·tuple.</p></li><li><p><strong>ValueN</strong>·-·The·value·corresponding·to·the·last·key·in·the·key·tuple.</p></li></ul><p>As·an·example,·let·us·look·at·how·the·map·<code·class="inline">#{a·=>·foo,·z·=>·bar}</code>·is |
| 205 | represented:</p><table><thead><tr><th·style="text-align:·center;">0</th><th·style="text-align:·left;">1</th><th·style="text-align:·center;">2</th><th·style="text-align:·center;">3</th><th·style="text-align:·left;">4</th></tr></thead><tbody><tr><td·style="text-align:·center;"><strong>FLATMAP</strong></td><td·style="text-align:·left;"><em>2</em></td><td·style="text-align:·center;"><code·class="inline">{a,z}</code></td><td·style="text-align:·center;"><code·class="inline">foo</code></td><td·style="text-align:·left;"><code·class="inline">bar</code></td></tr></tbody></table><p><em>Table:·#{a·=>·foo,·z·=>·bar}</em></p><p>Let·us·update·the·map:·<code·class="inline">M#{q·=>·baz}</code>.·The·map·now·looks·like·this:</p><table><thead><tr><th·style="text-align:·center;">0</th><th·style="text-align:·left;">1</th><th·style="text-align:·center;">2</th><th·style="text-align:·center;">3</th><th·style="text-align:·center;">4</th><th·style="text-align:·center;">5</th></tr></thead><tbody><tr><td·style="text-align:·center;"><strong>FLATMAP</strong></td><td·style="text-align:·left;"><em>3</em></td><td·style="text-align:·center;"><code·class="inline">{a,q,z}</code></td><td·style="text-align:·center;"><code·class="inline">foo</code></td><td·style="text-align:·center;"><code·class="inline">baz</code></td><td·style="text-align:·center;"><code·class="inline">bar</code></td></tr></tbody></table><p><em>Table:·#{a·=>·foo,·q·=>·baz,·z·=>·bar}</em></p><p>Finally,·change·the·value·of·one·element:·<code·class="inline">M#{z·:=·bird}</code>.·The·map·now·looks | 205 | represented:</p><table><thead><tr><th·style="text-align:·center;">0</th><th·style="text-align:·left;">1</th><th·style="text-align:·center;">2</th><th·style="text-align:·center;">3</th><th·style="text-align:·left;">4</th></tr></thead><tbody><tr><td·style="text-align:·center;"><strong>FLATMAP</strong></td><td·style="text-align:·left;"><em>2</em></td><td·style="text-align:·center;"><code·class="inline">{a,z}</code></td><td·style="text-align:·center;"><code·class="inline">foo</code></td><td·style="text-align:·left;"><code·class="inline">bar</code></td></tr></tbody></table><p><em>Table:·#{a·=>·foo,·z·=>·bar}</em></p><p>Let·us·update·the·map:·<code·class="inline">M#{q·=>·baz}</code>.·The·map·now·looks·like·this:</p><table><thead><tr><th·style="text-align:·center;">0</th><th·style="text-align:·left;">1</th><th·style="text-align:·center;">2</th><th·style="text-align:·center;">3</th><th·style="text-align:·center;">4</th><th·style="text-align:·center;">5</th></tr></thead><tbody><tr><td·style="text-align:·center;"><strong>FLATMAP</strong></td><td·style="text-align:·left;"><em>3</em></td><td·style="text-align:·center;"><code·class="inline">{a,q,z}</code></td><td·style="text-align:·center;"><code·class="inline">foo</code></td><td·style="text-align:·center;"><code·class="inline">baz</code></td><td·style="text-align:·center;"><code·class="inline">bar</code></td></tr></tbody></table><p><em>Table:·#{a·=>·foo,·q·=>·baz,·z·=>·bar}</em></p><p>Finally,·change·the·value·of·one·element:·<code·class="inline">M#{z·:=·bird}</code>.·The·map·now·looks |
| 206 | like·this:</p><table><thead><tr><th·style="text-align:·center;">0</th><th·style="text-align:·left;">1</th><th·style="text-align:·center;">2</th><th·style="text-align:·center;">3</th><th·style="text-align:·center;">4</th><th·style="text-align:·center;">5</th></tr></thead><tbody><tr><td·style="text-align:·center;"><strong>FLATMAP</strong></td><td·style="text-align:·left;"><em>3</em></td><td·style="text-align:·center;"><code·class="inline">{a,q,z}</code></td><td·style="text-align:·center;"><code·class="inline">foo</code></td><td·style="text-align:·center;"><code·class="inline">baz</code></td><td·style="text-align:·center;"><code·class="inline">bird</code></td></tr></tbody></table><p><em>Table:·#{a·=>·foo,·q·=>·baz,·z·=>·bird}</em></p><p>When·the·value·for·an·existing·key·is·updated,·the·key·tuple·is·not·updated, | 206 | like·this:</p><table><thead><tr><th·style="text-align:·center;">0</th><th·style="text-align:·left;">1</th><th·style="text-align:·center;">2</th><th·style="text-align:·center;">3</th><th·style="text-align:·center;">4</th><th·style="text-align:·center;">5</th></tr></thead><tbody><tr><td·style="text-align:·center;"><strong>FLATMAP</strong></td><td·style="text-align:·left;"><em>3</em></td><td·style="text-align:·center;"><code·class="inline">{a,q,z}</code></td><td·style="text-align:·center;"><code·class="inline">foo</code></td><td·style="text-align:·center;"><code·class="inline">baz</code></td><td·style="text-align:·center;"><code·class="inline">bird</code></td></tr></tbody></table><p><em>Table:·#{a·=>·foo,·q·=>·baz,·z·=>·bird}</em></p><p>When·the·value·for·an·existing·key·is·updated,·the·key·tuple·is·not·updated, |
| 207 | allowing·the·key·tuple·to·be·shared·with·other·instances·of·the·map·that·have | 207 | allowing·the·key·tuple·to·be·shared·with·other·instances·of·the·map·that·have |
| 208 | the·same·keys.·In·fact,·the·key·tuple·can·be·shared·between·all·maps·with·the | 208 | the·same·keys.·In·fact,·the·key·tuple·can·be·shared·between·all·maps·with·the |
| 209 | same·keys·with·some·care.·To·arrange·that,·define·a·function·that·returns·a·map. | 209 | same·keys·with·some·care.·To·arrange·that,·define·a·function·that·returns·a·map. |
| 210 | For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">new</span><span·class="p"·data-group-id=" | 210 | For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">new</span><span·class="p"·data-group-id="3821708925-1">(</span><span·class="p"·data-group-id="3821708925-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 211 | ····</span><span·class="p"·data-group-id=" | 211 | ····</span><span·class="p"·data-group-id="3821708925-2">#{</span><span·class="ss">a</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·300,·SHA:·7e406a0c84659c18e0245d7cde99f864b78d0c8c6b57f76d100731dbc9e78986·...·]-2">}</span><span·class="p">.</span></code></pre><p>Defined·like·this,·the·key·tuple·<code·class="inline">{a,b,c}</code>·will·be·a·global·literal.·To·ensure |
| 212 | that·the·key·tuple·is·shared·when·creating·an·instance·of·the·map,·always·call | 212 | that·the·key·tuple·is·shared·when·creating·an·instance·of·the·map,·always·call |
| 213 | <code·class="inline">new()</code>·and·modify·the·returned·map:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="p"·data-group-id=" | 213 | <code·class="inline">new()</code>·and·modify·the·returned·map:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="p"·data-group-id="0417752835-1">(</span><span·class="n">SOME_MODULE</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="0417752835-2">(</span><span·class="p"·data-group-id="0417752835-2">)</span><span·class="p"·data-group-id="0417752835-1[·...·truncated·by·diffoscope;·len:·229,·SHA:·e07d48b796968f775ce2dd4a2c7bed1155e5fe8a42de0ff8e2c02aaafec45010·...·]-3">}</span><span·class="p">.</span></code></pre><p>Using·the·map·syntax·with·small·maps·is·particularly·efficient.·As·long·as·the |
| 214 | keys·are·known·at·compile-time,·the·map·is·updated·in·one·go,·making·the·time·to | 214 | keys·are·known·at·compile-time,·the·map·is·updated·in·one·go,·making·the·time·to |
| 215 | update·a·map·essentially·constant·regardless·of·the·number·of·keys·updated.·The | 215 | update·a·map·essentially·constant·regardless·of·the·number·of·keys·updated.·The |
| 216 | same·goes·for·matching.·(When·the·keys·are·variables,·one·or·more·of·the·keys | 216 | same·goes·for·matching.·(When·the·keys·are·variables,·one·or·more·of·the·keys |
| 217 | could·be·identical,·so·the·operations·need·to·be·performed·sequentially·from | 217 | could·be·identical,·so·the·operations·need·to·be·performed·sequentially·from |
| 218 | left·to·right.)</p><p>The·memory·size·for·a·small·map·is·the·size·of·all·keys·and·values·plus·5·words. | 218 | left·to·right.)</p><p>The·memory·size·for·a·small·map·is·the·size·of·all·keys·and·values·plus·5·words. |
| 219 | See·<a·href="memory.html">Memory</a>·for·more·information·about·memory·sizes.</p><h3·id="how-large-maps-are-implemented"·class="section-heading"> | 219 | See·<a·href="memory.html">Memory</a>·for·more·information·about·memory·sizes.</p><h3·id="how-large-maps-are-implemented"·class="section-heading"> |
| 220 | ··<a·href="#how-large-maps-are-implemented"·class="hover-link"> | 220 | ··<a·href="#how-large-maps-are-implemented"·class="hover-link"> |
| Offset 241, 21 lines modified | Offset 241, 21 lines modified | ||
| 241 | ··<a·href="#using-the-map-syntax"·class="hover-link"> | 241 | ··<a·href="#using-the-map-syntax"·class="hover-link"> |
| 242 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 242 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 243 | ··</a> | 243 | ··</a> |
| 244 | ··<span·class="text">Using·the·Map·Syntax</span> | 244 | ··<span·class="text">Using·the·Map·Syntax</span> |
| 245 | </h2> | 245 | </h2> |
| 246 | <p>Using·the·map·syntax·is·usually·slightly·more·efficient·than·using·the | 246 | <p>Using·the·map·syntax·is·usually·slightly·more·efficient·than·using·the |
| 247 | corresponding·function·in·the·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html"><code·class="inline">maps</code></a>·module.</p><p>The·gain·in·efficiency·for·the·map·syntax·is·more·noticeable·for·the·following | 247 | corresponding·function·in·the·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html"><code·class="inline">maps</code></a>·module.</p><p>The·gain·in·efficiency·for·the·map·syntax·is·more·noticeable·for·the·following |
| 248 | operations·that·can·only·be·achieved·using·the·map·syntax:</p><ul><li>Matching·multiple·literal·keys</li><li>Updating·multiple·literal·keys</li><li>Adding·multiple·literal·keys·to·a·map</li></ul><p>For·example:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Map</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map1</span><span·class="p"·data-group-id=" | 248 | operations·that·can·only·be·achieved·using·the·map·syntax:</p><ul><li>Matching·multiple·literal·keys</li><li>Updating·multiple·literal·keys</li><li>Adding·multiple·literal·keys·to·a·map</li></ul><p>For·example:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Map</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map1</span><span·class="p"·data-group-id="3560402156-1">#{</span><span·class="ss">x</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">y</span><span·class="w">·</span><span·class="p[·...·truncated·by·diffoscope;·len:·820,·SHA:·b8ab794184a687a4b3cabb54a417d7aec4f7bf511fb885fe723bc1100feca4c9·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 249 | </span><span·class="n">Map3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">update</span><span·class="p"·data-group-id=" | 249 | </span><span·class="n">Map3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">update</span><span·class="p"·data-group-id="8767896537-2">(</span><span·class="ss">y</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Map2</span><span·class="p"·data-group-id="8767896537-2">)</span><span·class="p">,</span><span·class="w"> |
| 250 | </span><span·class="n">Map</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">update</span><span·class="p"·data-group-id=" | 250 | </span><span·class="n">Map</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">update</span><span·class="p"·data-group-id="8767896537-3">(</span><span·class="ss">z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Map3</span><span·class="p"·data-group-id="8767896537-3">)</span></code></pre><p>If·the·map·is·a·small·map,·the·first·example·runs·roughly·three·times·as·fast.</p><p>Note·that·for·variable·keys,·the·elements·are·updated·sequentially·from·left·to |
| 251 | right.·For·example,·given·the·following·update·with·variable·keys:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Map</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map1</span><span·class="p"·data-group-id="5 | 251 | right.·For·example,·given·the·following·update·with·variable·keys:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Map</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map1</span><span·class="p"·data-group-id="2519191333-1">#{</span><span·class="n">Key1</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key2</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·276,·SHA:·83fd98d0d21520e51fb03a4d2d85dbd62afc9d3dd36c2c87a84c8bde1806bdfd·...·]-1">}</span></code></pre><p>the·compiler·rewrites·it·like·this·to·ensure·that·the·updates·are·applied·from |
| 252 | left·to·right:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Map2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map1</span><span·class="p"·data-group-id=" | 252 | left·to·right:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Map2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map1</span><span·class="p"·data-group-id="6843962462-1">#{</span><span·class="n">Key1</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="6843962462-1">}</span><span·class="p">,</span><span·class="w"> |
| 253 | </span><span·class="n">Map3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map2</span><span·class="p"·data-group-id=" | 253 | </span><span·class="n">Map3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map2</span><span·class="p"·data-group-id="6843962462-2">#{</span><span·class="n">Key2</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="6843962462-2">}</span><span·class="p">,</span><span·class="w"> |
| 254 | </span><span·class="n">Map</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map3</span><span·class="p"·data-group-id=" | 254 | </span><span·class="n">Map</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Map3</span><span·class="p"·data-group-id="6843962462-3">#{</span><span·class="n">Key3</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">Z</span><span·class="p"·data-group-id="6843962462-3">}</span></code></pre><p>If·a·key·is·known·to·exist·in·a·map,·using·the·<code·class="inline">:=</code>·operator·is·slightly·more |
| 255 | efficient·than·using·the·<code·class="inline">=></code>·operator·for·a·small·map.</p><h2·id="using-the-functions-in-the-maps-module"·class="section-heading"> | 255 | efficient·than·using·the·<code·class="inline">=></code>·operator·for·a·small·map.</p><h2·id="using-the-functions-in-the-maps-module"·class="section-heading"> |
| 256 | ··<a·href="#using-the-functions-in-the-maps-module"·class="hover-link"> | 256 | ··<a·href="#using-the-functions-in-the-maps-module"·class="hover-link"> |
| 257 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 257 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 258 | ··</a> | 258 | ··</a> |
| 259 | ··<span·class="text">Using·the·Functions·in·the·maps·Module</span> | 259 | ··<span·class="text">Using·the·Functions·in·the·maps·Module</span> |
| 260 | </h2> | 260 | </h2> |
| 261 | <p>Here·follows·some·notes·about·most·of·the·functions·in·the·<code·class="inline">maps</code>·module.·For | 261 | <p>Here·follows·some·notes·about·most·of·the·functions·in·the·<code·class="inline">maps</code>·module.·For |
| Offset 306, 23 lines modified | Offset 306, 23 lines modified | ||
| 306 | ··<a·href="#maps-get-3"·class="hover-link"> | 306 | ··<a·href="#maps-get-3"·class="hover-link"> |
| 307 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 307 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 308 | ··</a> | 308 | ··</a> |
| 309 | ··<span·class="text">maps:get/3</span> | 309 | ··<span·class="text">maps:get/3</span> |
| 310 | </h3> | 310 | </h3> |
| 311 | <p>As·an·optimization,·the·compiler·will·rewrite·a·call·to·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a>·to·Erlang | 311 | <p>As·an·optimization,·the·compiler·will·rewrite·a·call·to·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a>·to·Erlang |
| 312 | code·similar·to·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Result</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Map</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 312 | code·similar·to·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Result</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Map</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 313 | ·············</span><span·class="p"·data-group-id=" | 313 | ·············</span><span·class="p"·data-group-id="0665435540-1">#{</span><span·class="n">Key</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">Value</span><span·class="p"·data-group-id="0665435540-1">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Value</span><span·class="p">;</span><span·class="w"> |
| 314 | ·············</span><span·class="p"·data-group-id=" | 314 | ·············</span><span·class="p"·data-group-id="0665435540-2">#{</span><span·class="p"·data-group-id="0665435540-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Default</span><span·class="w"> |
| 315 | ·········</span><span·class="k">end</span></code></pre><p>This·is·reasonably·efficient,·but·if·a·small·map·is·used·as·an·alternative·to | 315 | ·········</span><span·class="k">end</span></code></pre><p>This·is·reasonably·efficient,·but·if·a·small·map·is·used·as·an·alternative·to |
| 316 | using·a·record·it·is·often·better·not·to·rely·on·default·values·as·it·prevents | 316 | using·a·record·it·is·often·better·not·to·rely·on·default·values·as·it·prevents |
| 317 | sharing·of·keys,·which·may·in·the·end·use·more·memory·than·what·you·save·from | 317 | sharing·of·keys,·which·may·in·the·end·use·more·memory·than·what·you·save·from |
| 318 | not·storing·default·values·in·the·map.</p><p>If·default·values·are·nevertheless·required,·instead·of·calling·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a> | 318 | not·storing·default·values·in·the·map.</p><p>If·default·values·are·nevertheless·required,·instead·of·calling·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a> |
| 319 | multiple·times,·consider·putting·the·default·values·in·a·map·and·merging·that | 319 | multiple·times,·consider·putting·the·default·values·in·a·map·and·merging·that |
| 320 | map·with·the·other·map:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">DefaultMap</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 320 | map·with·the·other·map:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">DefaultMap</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5459091692-1">#{</span><span·class="n">Key1</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Value2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key2</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·420,·SHA:·9d32c0085bd1fdb7e9f2ecaf27f7c0590d93a3852e0b351c2a1305c2840299f3·...·]-1">}</span><span·class="p">,</span><span·class="w"> |
| 321 | </span><span·class="n">MapWithDefaultsApplied</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">merge</span><span·class="p"·data-group-id=" | 321 | </span><span·class="n">MapWithDefaultsApplied</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">merge</span><span·class="p"·data-group-id="5459091692-2">(</span><span·class="n">DefaultMap</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OtherMap</span><span·class="p"·data-group-id="5459091692-2">)</span></code></pre><p>This·helps·share·keys·between·the·default·map·and·the·one·you·applied·defaults |
| 322 | to,·as·long·as·the·default·map·contains·<em>all</em>·the·keys·that·will·ever·be·used | 322 | to,·as·long·as·the·default·map·contains·<em>all</em>·the·keys·that·will·ever·be·used |
| 323 | and·not·just·the·ones·with·default·values.·Whether·this·is·faster·than·calling | 323 | and·not·just·the·ones·with·default·values.·Whether·this·is·faster·than·calling |
| 324 | <a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a>·multiple·times·depends·on·the·size·of·the·map·and·the·number·of | 324 | <a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a>·multiple·times·depends·on·the·size·of·the·map·and·the·number·of |
| 325 | default·values.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·OTP·26.0·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a>·was·implemented·by·calling·the·function·instead | 325 | default·values.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·OTP·26.0·<a·href="../../lib/stdlib-6.2.1/doc/html/maps.html#get/3"><code·class="inline">maps:get/3</code></a>·was·implemented·by·calling·the·function·instead |
| 326 | of·rewriting·it·as·an·Erlang·expression.·It·is·now·slightly·faster·but·can·no | 326 | of·rewriting·it·as·an·Erlang·expression.·It·is·now·slightly·faster·but·can·no |
| 327 | longer·be·traced.</p></section><h3·id="maps-intersect-2-maps-intersect_with-3"·class="section-heading"> | 327 | longer·be·traced.</p></section><h3·id="maps-intersect-2-maps-intersect_with-3"·class="section-heading"> |
| 328 | ··<a·href="#maps-intersect-2-maps-intersect_with-3"·class="hover-link"> | 328 | ··<a·href="#maps-intersect-2-maps-intersect_with-3"·class="hover-link"> |
| Offset 519, 15 lines modified | Offset 519, 15 lines modified | ||
| 519 | ······<p·class="built-using"> | 519 | ······<p·class="built-using"> |
| 520 | ········Built·using | 520 | ········Built·using |
| 521 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 521 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 522 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 522 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 523 | ······</p> | 523 | ······</p> |
| 524 | <p>Copyright·©·1996-202 | 524 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 525 | ····</footer> | 525 | ····</footer> |
| 526 | ··</div> | 526 | ··</div> |
| 527 | </main> | 527 | </main> |
| 528 | </div> | 528 | </div> |
| 529 | <script> | 529 | <script> |
| 530 | ··function·mermaidLoaded()·{ | 530 | ··function·mermaidLoaded()·{ |
| 531 | ····mermaid.initialize({ | 531 | ····mermaid.initialize({ |
| Offset 218, 15 lines modified | Offset 218, 15 lines modified | ||
| 218 | ······<p·class="built-using"> | 218 | ······<p·class="built-using"> |
| 219 | ········Built·using | 219 | ········Built·using |
| 220 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 220 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 221 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 221 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 222 | ······</p> | 222 | ······</p> |
| 223 | <p>Copyright·©·1996-202 | 223 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 224 | ····</footer> | 224 | ····</footer> |
| 225 | ··</div> | 225 | ··</div> |
| 226 | </main> | 226 | </main> |
| 227 | </div> | 227 | </div> |
| 228 | <script> | 228 | <script> |
| 229 | ··function·mermaidLoaded()·{ | 229 | ··function·mermaidLoaded()·{ |
| 230 | ····mermaid.initialize({ | 230 | ····mermaid.initialize({ |
| Offset 237, 15 lines modified | Offset 237, 15 lines modified | ||
| 237 | ······<p·class="built-using"> | 237 | ······<p·class="built-using"> |
| 238 | ········Built·using | 238 | ········Built·using |
| 239 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 239 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 240 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 240 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 241 | ······</p> | 241 | ······</p> |
| 242 | <p>Copyright·©·1996-202 | 242 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 243 | ····</footer> | 243 | ····</footer> |
| 244 | ··</div> | 244 | ··</div> |
| 245 | </main> | 245 | </main> |
| 246 | </div> | 246 | </div> |
| 247 | <script> | 247 | <script> |
| 248 | ··function·mermaidLoaded()·{ | 248 | ··function·mermaidLoaded()·{ |
| 249 | ····mermaid.initialize({ | 249 | ····mermaid.initialize({ |
| Offset 118, 20 lines modified | Offset 118, 20 lines modified | ||
| 118 | <h2·id="module-syntax"·class="section-heading"> | 118 | <h2·id="module-syntax"·class="section-heading"> |
| 119 | ··<a·href="#module-syntax"·class="hover-link"> | 119 | ··<a·href="#module-syntax"·class="hover-link"> |
| 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 121 | ··</a> | 121 | ··</a> |
| 122 | ··<span·class="text">Module·Syntax</span> | 122 | ··<span·class="text">Module·Syntax</span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>Erlang·code·is·divided·into·<em>modules</em>.·A·module·consists·of·a·sequence·of | 124 | <p>Erlang·code·is·divided·into·<em>modules</em>.·A·module·consists·of·a·sequence·of |
| 125 | attributes·and·function·declarations,·each·terminated·by·a·period·(<code·class="inline">.</code>).</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="3321641380-1">(</span><span·class="ss">m</span><span·class="p"·data-group-id="3321641380-1">)</span><span·class="p">.</span><span·class="w">··········</span><span·class="c1">%·module·attribute</span><span·class="w"> | ||
| 126 | 125 | attributes·and·function·declarations,·each·terminated·by·a·period·(<code·class="inline">.</code>).</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·150,·SHA:·c28b7210e881484689b134a3fde3acfad719543c662872c2ee5e9ee543a5a4bc·...·]···</span><span·class="c1">%·module·attribute</span><span·class="w"> | |
| 126 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1904773795-2">(</span><span·class="p"·data-group-id="1904773795-3">[</span><span·class="ss">fact</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="1904773795-3">]</span><span·class="p"·data-group-id="1904773795-2">)</span><span·class="p">.</span><span·class="w">···</span><span·class="c1">%·module·attribute</span><span·class="w"> | ||
| 127 | </span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 127 | </span><span·class="nf">fact</span><span·class="p"·data-group-id="1904773795-4">(</span><span·class="n">N</span><span·class="p"·data-group-id="1904773795-4">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">N</span><span·class="o">></span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w">··</span><span·class="c1">%·beginning·of·function·declaration</span><span·class="w"> |
| 128 | ····</span><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 128 | ····</span><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id="1904773795-5">(</span><span·class="n">N</span><span·class="o">-</span><span·class="mi">1</span><span·class="p"·data-group-id="1904773795-5">)</span><span·class="p">;</span><span·class="w">···</span><span·class="c1">%··|</span><span·class="w"> |
| 129 | </span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 129 | </span><span·class="nf">fact</span><span·class="p"·data-group-id="1904773795-6">(</span><span·class="mi">0</span><span·class="p"·data-group-id="1904773795-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">···········</span><span·class="c1">%··|</span><span·class="w"> |
| 130 | ····</span><span·class="mi">1</span><span·class="p">.</span><span·class="w">···············</span><span·class="c1">%·end·of·function·declaration</span></code></pre><p>For·a·description·of·function·declarations,·see | 130 | ····</span><span·class="mi">1</span><span·class="p">.</span><span·class="w">···············</span><span·class="c1">%·end·of·function·declaration</span></code></pre><p>For·a·description·of·function·declarations,·see |
| 131 | <a·href="ref_man_functions.html">Function·Declaration·Syntax</a>.</p><h2·id="module-attributes"·class="section-heading"> | 131 | <a·href="ref_man_functions.html">Function·Declaration·Syntax</a>.</p><h2·id="module-attributes"·class="section-heading"> |
| 132 | ··<a·href="#module-attributes"·class="hover-link"> | 132 | ··<a·href="#module-attributes"·class="hover-link"> |
| 133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 134 | ··</a> | 134 | ··</a> |
| 135 | ··<span·class="text">Module·Attributes</span> | 135 | ··<span·class="text">Module·Attributes</span> |
| 136 | </h2> | 136 | </h2> |
| Offset 176, 71 lines modified | Offset 176, 71 lines modified | ||
| 176 | meaning.</p></section></li></ul><h3·id="behaviour-module-attribute"·class="section-heading"> | 176 | meaning.</p></section></li></ul><h3·id="behaviour-module-attribute"·class="section-heading"> |
| 177 | ··<a·href="#behaviour-module-attribute"·class="hover-link"> | 177 | ··<a·href="#behaviour-module-attribute"·class="hover-link"> |
| 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 179 | ··</a> | 179 | ··</a> |
| 180 | ··<span·class="text">Behaviour·Module·Attribute</span> | 180 | ··<span·class="text">Behaviour·Module·Attribute</span> |
| 181 | </h3> | 181 | </h3> |
| 182 | <p>It·is·possible·to·specify·that·the·module·is·the·callback·module·for·a | 182 | <p>It·is·possible·to·specify·that·the·module·is·the·callback·module·for·a |
| 183 | <em>behaviour</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 183 | <em>behaviour</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="1328044410-1">(</span><span·class="n">Behaviour</span><span·class="p"·data-group-id="1328044410-1">)</span><span·class="p">.</span></code></pre><p>The·atom·<code·class="inline">Behaviour</code>·gives·the·name·of·the·behaviour,·which·can·be·a |
| 184 | user-defined·behaviour·or·one·of·the·following·OTP·standard·behaviours:</p><ul><li><code·class="inline">gen_server</code></li><li><code·class="inline">gen_statem</code></li><li><code·class="inline">gen_event</code></li><li><code·class="inline">supervisor</code></li></ul><p>The·spelling·<code·class="inline">behavior</code>·is·also·accepted.</p><p>The·callback·functions·of·the·module·can·be·specified·either·directly·by·the | 184 | user-defined·behaviour·or·one·of·the·following·OTP·standard·behaviours:</p><ul><li><code·class="inline">gen_server</code></li><li><code·class="inline">gen_statem</code></li><li><code·class="inline">gen_event</code></li><li><code·class="inline">supervisor</code></li></ul><p>The·spelling·<code·class="inline">behavior</code>·is·also·accepted.</p><p>The·callback·functions·of·the·module·can·be·specified·either·directly·by·the |
| 185 | exported·function·<code·class="inline">behaviour_info/1</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">behaviour_info</span><span·class="p"·data-group-id=" | 185 | exported·function·<code·class="inline">behaviour_info/1</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">behaviour_info</span><span·class="p"·data-group-id="2650375908-1">(</span><span·class="ss">callbacks</span><span·class="p"·data-group-id="2650375908-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Callbacks</span><span·class="p">.</span></code></pre><p>[·...·truncated·by·diffoscope;·len:·367,·SHA:·61ff710bd4def2a1273f9276fa8f10af2f0982e7d56017ed48013f4f188a5a9f·...·]7-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Result</span><span·class="p">.</span></code></pre><p>Here,·<code·class="inline">Arguments</code>·is·a·list·of·zero·or·more·arguments.·The·<code·class="inline">-callback</code>·attribute |
| 186 | is·to·be·preferred·since·the·extra·type·information·can·be·used·by·tools·to | 186 | is·to·be·preferred·since·the·extra·type·information·can·be·used·by·tools·to |
| 187 | produce·documentation·or·find·discrepancies.</p><p>Read·more·about·behaviours·and·callback·modules·in | 187 | produce·documentation·or·find·discrepancies.</p><p>Read·more·about·behaviours·and·callback·modules·in |
| 188 | <a·href="../../doc/system/spec_proc.html#behaviours">OTP·Design·Principles</a>.</p><h3·id="record-definitions"·class="section-heading"> | 188 | <a·href="../../doc/system/spec_proc.html#behaviours">OTP·Design·Principles</a>.</p><h3·id="record-definitions"·class="section-heading"> |
| 189 | ··<a·href="#record-definitions"·class="hover-link"> | 189 | ··<a·href="#record-definitions"·class="hover-link"> |
| 190 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 190 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 191 | ··</a> | 191 | ··</a> |
| 192 | ··<span·class="text">Record·Definitions</span> | 192 | ··<span·class="text">Record·Definitions</span> |
| 193 | </h3> | 193 | </h3> |
| 194 | <p>The·same·syntax·as·for·module·attributes·is·used·for·record·definitions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 194 | <p>The·same·syntax·as·for·module·attributes·is·used·for·record·definitions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6235354849-1">(</span><span·class="n">Record</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fields</span><span·class="p"·data-group-id="6235354849-1">)</span><span·class="p">.</span></code></pre><p>Record·definitions·are·allowed·anywhere·in·a·module,·also·among·the·function |
| 195 | declarations.·Read·more·in·<a·href="ref_man_records.html">Records</a>.</p><h3·id="preprocessor"·class="section-heading"> | 195 | declarations.·Read·more·in·<a·href="ref_man_records.html">Records</a>.</p><h3·id="preprocessor"·class="section-heading"> |
| 196 | ··<a·href="#preprocessor"·class="hover-link"> | 196 | ··<a·href="#preprocessor"·class="hover-link"> |
| 197 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 197 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 198 | ··</a> | 198 | ··</a> |
| 199 | ··<span·class="text">Preprocessor</span> | 199 | ··<span·class="text">Preprocessor</span> |
| 200 | </h3> | 200 | </h3> |
| 201 | <p>The·same·syntax·as·for·module·attributes·is·used·by·the·preprocessor,·which | 201 | <p>The·same·syntax·as·for·module·attributes·is·used·by·the·preprocessor,·which |
| 202 | supports·file·inclusion,·macros,·and·conditional·compilation:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 202 | supports·file·inclusion,·macros,·and·conditional·compilation:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="0661136852-1">(</span><span·class="s">"SomeFile.hrl"</span><span·class="p"·data-group-id="0661136852-1">)</span><span·class="p">.</span><span·class="w"> |
| 203 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 203 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="0661136852-2">(</span><span·class="n">Macro</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Replacement</span><span·class="p"·data-group-id="0661136852-2">)</span><span·class="p">.</span></code></pre><p>Read·more·in·<a·href="macros.html">Preprocessor</a>.</p><h3·id="setting-file-and-line"·class="section-heading"> |
| 204 | ··<a·href="#setting-file-and-line"·class="hover-link"> | 204 | ··<a·href="#setting-file-and-line"·class="hover-link"> |
| 205 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 205 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 206 | ··</a> | 206 | ··</a> |
| 207 | ··<span·class="text">Setting·File·and·Line</span> | 207 | ··<span·class="text">Setting·File·and·Line</span> |
| 208 | </h3> | 208 | </h3> |
| 209 | <p>The·same·syntax·as·for·module·attributes·is·used·for·changing·the·pre-defined | 209 | <p>The·same·syntax·as·for·module·attributes·is·used·for·changing·the·pre-defined |
| 210 | macros·<code·class="inline">?FILE</code>·and·<code·class="inline">?LINE</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">file</span><span·class="p"·data-group-id=" | 210 | macros·<code·class="inline">?FILE</code>·and·<code·class="inline">?LINE</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">file</span><span·class="p"·data-group-id="2474901095-1">(</span><span·class="n">File</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Line</span><span·class="p"·data-group-id="2474901095-1">)</span><span·class="p">.</span></code></pre><p>This·attribute·is·used·by·tools,·such·as·Yecc,·to·inform·the·compiler·that·the |
| 211 | source·program·is·generated·by·another·tool.·It·also·indicates·the | 211 | source·program·is·generated·by·another·tool.·It·also·indicates·the |
| 212 | correspondence·of·source·files·to·lines·of·the·original·user-written·file,·from | 212 | correspondence·of·source·files·to·lines·of·the·original·user-written·file,·from |
| 213 | which·the·source·program·is·produced.</p><h3·id="types-and-function-specifications"·class="section-heading"> | 213 | which·the·source·program·is·produced.</p><h3·id="types-and-function-specifications"·class="section-heading"> |
| 214 | ··<a·href="#types-and-function-specifications"·class="hover-link"> | 214 | ··<a·href="#types-and-function-specifications"·class="hover-link"> |
| 215 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 215 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 216 | ··</a> | 216 | ··</a> |
| 217 | ··<span·class="text">Types·and·function·specifications</span> | 217 | ··<span·class="text">Types·and·function·specifications</span> |
| 218 | </h3> | 218 | </h3> |
| 219 | <p>A·similar·syntax·as·for·module·attributes·is·used·for·specifying·types·and | 219 | <p>A·similar·syntax·as·for·module·attributes·is·used·for·specifying·types·and |
| 220 | function·specifications:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">my_type</span><span·class="p"·data-group-id="7514456918-1">(</span><span·class="p"·data-group-id="7514456918-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="7514456918-2">(</span><span·class="p"·data-group-id="7514456918-2">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="7514456918-3">(</span><span·class="p"·data-group-id="7514456918-3">)</span><span·class="p">.</span><span·class="w"> | ||
| 221 | 220 | function·specifications:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">my_type</span><span·class="p"·data-group-id="8428136585-1">(</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·512,·SHA:·9482b8d42cd5ec360d72a4f954b7a1f23f4fbe1329f68a7948dabe0f2e12d7a3·...·] | |
| 221 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">my_function</span><span·class="p"·data-group-id="8428136585-4">(</span><span·class="nf">integer</span><span·class="p"·data-group-id="8428136585-5">(</span><span·class="p"·data-group-id="8428136585-5">)</span><span·class="p"·data-group-id="8428136585-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="8428136585-6">(</span><span·class="p"·data-group-id="8428136585-6">)</span><span·class="p">.</span></code></pre><p>Read·more·in·<a·href="typespec.html">Types·and·Function·specifications</a>.</p><p>The·description·is·based·on | ||
| 222 | <a·href="http://www.erlang.org/eeps/eep-0008.html">EEP8·-·Types·and·function·specifications</a>, | 222 | <a·href="http://www.erlang.org/eeps/eep-0008.html">EEP8·-·Types·and·function·specifications</a>, |
| 223 | which·is·not·to·be·further·updated.</p><h3·id="documentation-attributes"·class="section-heading"> | 223 | which·is·not·to·be·further·updated.</p><h3·id="documentation-attributes"·class="section-heading"> |
| 224 | ··<a·href="#documentation-attributes"·class="hover-link"> | 224 | ··<a·href="#documentation-attributes"·class="hover-link"> |
| 225 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 225 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 226 | ··</a> | 226 | ··</a> |
| 227 | ··<span·class="text">Documentation·attributes</span> | 227 | ··<span·class="text">Documentation·attributes</span> |
| 228 | </h3> | 228 | </h3> |
| 229 | <p>The·module·attribute·<code·class="inline">-doc(Documentation)</code>·is·used·to·provide·user·documentation | 229 | <p>The·module·attribute·<code·class="inline">-doc(Documentation)</code>·is·used·to·provide·user·documentation |
| 230 | for·a·function/type/callback:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id=" | 230 | for·a·function/type/callback:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id="0920061252-1">(</span><span·class="s">"Example·documentation"</span><span·class="p"·data-group-id="0920061252-1">)</span><span·class="p">.</span><span·class="w"> |
| 231 | </span><span·class="nf">example</span><span·class="p"·data-group-id=" | 231 | </span><span·class="nf">example</span><span·class="p"·data-group-id="0920061252-2">(</span><span·class="p"·data-group-id="0920061252-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>The·attribute·should·be·placed·just·before·the·entity·it·documents.The |
| 232 | parenthesis·are·optional·around·<code·class="inline">Documentation</code>.·The·allowed·values·for | 232 | parenthesis·are·optional·around·<code·class="inline">Documentation</code>.·The·allowed·values·for |
| 233 | <code·class="inline">Documentation</code>·are:</p><ul><li><p><strong><a·href="data_types.html#string">literal·string</a>·or | 233 | <code·class="inline">Documentation</code>·are:</p><ul><li><p><strong><a·href="data_types.html#string">literal·string</a>·or |
| 234 | <a·href="expressions.html#unicode-segments">utf-8·encoded·binary·string</a></strong>·-·The·string | 234 | <a·href="expressions.html#unicode-segments">utf-8·encoded·binary·string</a></strong>·-·The·string |
| 235 | documenting·the·entity.·Any·literal·string·is·allowed,·so·both | 235 | documenting·the·entity.·Any·literal·string·is·allowed,·so·both |
| 236 | <a·href="data_types.html#tqstring">triple·quoted·strings</a>·and | 236 | <a·href="data_types.html#tqstring">triple·quoted·strings</a>·and |
| 237 | <a·href="data_types.html#sigil">sigils</a>·that·translate·to·literal·strings·can·be·used. | 237 | <a·href="data_types.html#sigil">sigils</a>·that·translate·to·literal·strings·can·be·used. |
| 238 | The·following·examples·are·equivalent:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id=" | 238 | The·following·examples·are·equivalent:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id="8012758779-1">(</span><span·class="s">"Example·\"docs\""</span><span·class="p"·data-group-id="8012758779-1">)</span><span·class="p">.</span><span·class="w"> |
| 239 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id=" | 239 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="p"·data-group-id="8012758779-2">(</span><span·class="p"·data-group-id="8012758779-3"><<</span><span·class="s">"Example·\"docs\""</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="8012758779-3">>></span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·ba901db927ce19c6f95d5843ac7b8d2b4c5dda4b11bd1c66e0a5375f99dca352·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 240 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">~S/Example·"docs"/</span><span·class="p">.</span><span·class="w"> | 240 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">~S/Example·"docs"/</span><span·class="p">.</span><span·class="w"> |
| 241 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">""</span><span·class="s">" | 241 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">""</span><span·class="s">" |
| 242 | ···Example·"</span><span·class="ss">docs</span><span·class="s">" | 242 | ···Example·"</span><span·class="ss">docs</span><span·class="s">" |
| 243 | ···"</span><span·class="s">""</span><span·class="w"> | 243 | ···"</span><span·class="s">""</span><span·class="w"> |
| 244 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">~B|Example·"docs"|</span><span·class="p">.</span></code></pre><p>For·clarity·it·is·recommended·to·use·either·normal·<code·class="inline">"strings"</code>·or·triple | 244 | </span><span·class="p">-</span><span·class="na">doc</span><span·class="w">·</span><span·class="s">~B|Example·"docs"|</span><span·class="p">.</span></code></pre><p>For·clarity·it·is·recommended·to·use·either·normal·<code·class="inline">"strings"</code>·or·triple |
| 245 | quoted·strings·for·documentation·attributes.</p></li><li><p><strong><code·class="inline">{file,</code>·<a·href="../../lib/kernel-10.2.3/doc/html/file.html#t:name/0"><code·class="inline">file:name/0</code></a>·<code·class="inline">}</code></strong>·-·Read·the·contents·of·filename·and·use | 245 | quoted·strings·for·documentation·attributes.</p></li><li><p><strong><code·class="inline">{file,</code>·<a·href="../../lib/kernel-10.2.3/doc/html/file.html#t:name/0"><code·class="inline">file:name/0</code></a>·<code·class="inline">}</code></strong>·-·Read·the·contents·of·filename·and·use |
| 246 | that·as·the·documentation·string.</p></li><li><p><strong><code·class="inline">false</code></strong>·-·Set·the·current·entity·as·hidden,·that·is,·it·should·not·be | 246 | that·as·the·documentation·string.</p></li><li><p><strong><code·class="inline">false</code></strong>·-·Set·the·current·entity·as·hidden,·that·is,·it·should·not·be |
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| 253 | ··<a·href="#the-feature-directive"·class="hover-link"> | 253 | ··<a·href="#the-feature-directive"·class="hover-link"> |
| 254 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 254 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 255 | ··</a> | 255 | ··</a> |
| 256 | ··<span·class="text">The·feature·directive</span> | 256 | ··<span·class="text">The·feature·directive</span> |
| 257 | </h2> | 257 | </h2> |
| 258 | <p>While·not·a·module·attribute,·but·rather·a·directive·(since·it·might·affect | 258 | <p>While·not·a·module·attribute,·but·rather·a·directive·(since·it·might·affect |
| 259 | syntax),·there·is·the·<code·class="inline">-feature(..)</code>·directive·used·for·enabling·and·disabling | 259 | syntax),·there·is·the·<code·class="inline">-feature(..)</code>·directive·used·for·enabling·and·disabling |
| 260 | <a·href="../../doc/system/features.html#features">features</a>.</p><p>The·syntax·is·similar·to·that·of·an·attribute,·but·has·two·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">feature</span><span·class="p"·data-group-id=" | 260 | <a·href="../../doc/system/features.html#features">features</a>.</p><p>The·syntax·is·similar·to·that·of·an·attribute,·but·has·two·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">feature</span><span·class="p"·data-group-id="4491386390-1">(</span><span·class="n">FeatureName</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">enable</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">disable</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·21,·SHA:·3824e18a23659ce5d0cc3289702c418c9718f03a328c77211b83a06d63a6488d·...·]0-1">)</span><span·class="p">.</span></code></pre><p>Note·that·the·<a·href="macros.html#feature-directive">feature·directive</a>·can·only·appear |
| 261 | in·a·prefix·of·the·module.</p><h2·id="comments"·class="section-heading"> | 261 | in·a·prefix·of·the·module.</p><h2·id="comments"·class="section-heading"> |
| 262 | ··<a·href="#comments"·class="hover-link"> | 262 | ··<a·href="#comments"·class="hover-link"> |
| 263 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 263 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 264 | ··</a> | 264 | ··</a> |
| 265 | ··<span·class="text">Comments</span> | 265 | ··<span·class="text">Comments</span> |
| 266 | </h2> | 266 | </h2> |
| 267 | <p>Comments·can·be·placed·anywhere·in·a·module·except·within·strings·and | 267 | <p>Comments·can·be·placed·anywhere·in·a·module·except·within·strings·and |
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| 347 | ······<p·class="built-using"> | 347 | ······<p·class="built-using"> |
| 348 | ········Built·using | 348 | ········Built·using |
| 349 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 349 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 350 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 350 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 351 | ······</p> | 351 | ······</p> |
| 352 | <p>Copyright·©·1996-202 | 352 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 353 | ····</footer> | 353 | ····</footer> |
| 354 | ··</div> | 354 | ··</div> |
| 355 | </main> | 355 | </main> |
| 356 | </div> | 356 | </div> |
| 357 | <script> | 357 | <script> |
| 358 | ··function·mermaidLoaded()·{ | 358 | ··function·mermaidLoaded()·{ |
| 359 | ····mermaid.initialize({ | 359 | ····mermaid.initialize({ |
| Offset 133, 26 lines modified | Offset 133, 26 lines modified | ||
| 133 | ··<span·class="text">Erlang·Program</span> | 133 | ··<span·class="text">Erlang·Program</span> |
| 134 | </h2> | 134 | </h2> |
| 135 | <p>Even·if·all·functions·of·a·module·are·NIFs,·an·Erlang·module·is·still·needed·for | 135 | <p>Even·if·all·functions·of·a·module·are·NIFs,·an·Erlang·module·is·still·needed·for |
| 136 | two·reasons:</p><ul><li>The·NIF·library·must·be·explicitly·loaded·by·Erlang·code·in·the·same·module.</li><li>All·NIFs·of·a·module·must·have·an·Erlang·implementation·as·well.</li></ul><p>Normally·these·are·minimal·stub·implementations·that·throw·an·exception.·But | 136 | two·reasons:</p><ul><li>The·NIF·library·must·be·explicitly·loaded·by·Erlang·code·in·the·same·module.</li><li>All·NIFs·of·a·module·must·have·an·Erlang·implementation·as·well.</li></ul><p>Normally·these·are·minimal·stub·implementations·that·throw·an·exception.·But |
| 137 | they·can·also·be·used·as·fallback·implementations·for·functions·that·do·not·have | 137 | they·can·also·be·used·as·fallback·implementations·for·functions·that·do·not·have |
| 138 | native·implementations·on·some·architectures.</p><p>NIF·libraries·are·loaded·by·calling·<a·href="../../erts-15.2.3/doc/html/erlang.html#load_nif/2"><code·class="inline">erlang:load_nif/2</code></a>,·with·the·name·of·the | 138 | native·implementations·on·some·architectures.</p><p>NIF·libraries·are·loaded·by·calling·<a·href="../../erts-15.2.3/doc/html/erlang.html#load_nif/2"><code·class="inline">erlang:load_nif/2</code></a>,·with·the·name·of·the |
| 139 | shared·library·as·argument.·The·second·argument·can·be·any·term·that·will·be | 139 | shared·library·as·argument.·The·second·argument·can·be·any·term·that·will·be |
| 140 | passed·on·to·the·library·and·used·for·initialization:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 140 | passed·on·to·the·library·and·used·for·initialization:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="3747220457-1">(</span><span·class="ss">complex6</span><span·class="p"·data-group-id="3747220457-1">)</span><span·class="p">.</span><span·class="w"> |
| 141 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 141 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="3747220457-2">(</span><span·class="p"·data-group-id="3747220457-3">[</span><span·class="ss">foo</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bar</span><span·class="p">/</span><span·[·...·truncated·by·diffoscope;·len:·112,·SHA:·28697c16f6e2fb655638990fcedcef1c90a9aae38ba02dbad2595100cd67a9e7·...·]7-2">)</span><span·class="p">.</span><span·class="w"> |
| 142 | </span><span·class="p">-</span><span·class="na">nifs</span><span·class="p"·data-group-id=" | 142 | </span><span·class="p">-</span><span·class="na">nifs</span><span·class="p"·data-group-id="3747220457-4">(</span><span·class="p"·data-group-id="3747220457-5">[</span><span·class="ss">foo</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bar</span><span·class="p">/</span><span·[·...·truncated·by·diffoscope;·len:·112,·SHA:·3b480aaaabdd0e1ea22a394d3c02c3de1b3951d40e128bf366c8ab61773c6460·...·]7-4">)</span><span·class="p">.</span><span·class="w"> |
| 143 | </span><span·class="p">-</span><span·class="na">on_load</span><span·class="p"·data-group-id=" | 143 | </span><span·class="p">-</span><span·class="na">on_load</span><span·class="p"·data-group-id="3747220457-6">(</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="3747220457-6">)</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 144 | </span><span·class="nf">init</span><span·class="p"·data-group-id="3747220457-7">(</span><span·class="p"·data-group-id="3747220457-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 145 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">load_nif</span><span·class="p"·data-group-id=" | 145 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">load_nif</span><span·class="p"·data-group-id="3747220457-8">(</span><span·class="s">"./complex6_nif"</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="3747220457-8">)</span><span·class="p">.</span><span·class="w"> |
| 146 | </span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 146 | </span><span·class="nf">foo</span><span·class="p"·data-group-id="3747220457-9">(</span><span·class="p">_</span><span·class="n">X</span><span·class="p"·data-group-id="3747220457-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 147 | ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">nif_error</span><span·class="p"·data-group-id=" | 147 | ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">nif_error</span><span·class="p"·data-group-id="3747220457-10">(</span><span·class="ss">nif_library_not_loaded</span><span·class="p"·data-group-id="3747220457-10">)</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 148 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="3747220457-11">(</span><span·class="p">_</span><span·class="n">Y</span><span·class="p"·data-group-id="3747220457-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 149 | ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">nif_error</span><span·class="p"·data-group-id=" | 149 | ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">nif_error</span><span·class="p"·data-group-id="3747220457-12">(</span><span·class="ss">nif_library_not_loaded</span><span·class="p"·data-group-id="3747220457-12">)</span><span·class="p">.</span></code></pre><p>Here,·the·directive·<code·class="inline">on_load</code>·is·used·to·get·function·<code·class="inline">init</code>·to·be·automatically |
| 150 | called·when·the·module·is·loaded.·If·<code·class="inline">init</code>·returns·anything·other·than·<code·class="inline">ok</code>, | 150 | called·when·the·module·is·loaded.·If·<code·class="inline">init</code>·returns·anything·other·than·<code·class="inline">ok</code>, |
| 151 | such·when·the·loading·of·the·NIF·library·fails·in·this·example,·the·module·is | 151 | such·when·the·loading·of·the·NIF·library·fails·in·this·example,·the·module·is |
| 152 | unloaded·and·calls·to·functions·within·it,·fail.</p><p>Loading·the·NIF·library·overrides·the·stub·implementations·and·cause·calls·to | 152 | unloaded·and·calls·to·functions·within·it,·fail.</p><p>Loading·the·NIF·library·overrides·the·stub·implementations·and·cause·calls·to |
| 153 | <code·class="inline">foo</code>·and·<code·class="inline">bar</code>·to·be·dispatched·to·the·NIF·implementations·instead.</p><h2·id="nif-library-code"·class="section-heading"> | 153 | <code·class="inline">foo</code>·and·<code·class="inline">bar</code>·to·be·dispatched·to·the·NIF·implementations·instead.</p><h2·id="nif-library-code"·class="section-heading"> |
| 154 | ··<a·href="#nif-library-code"·class="hover-link"> | 154 | ··<a·href="#nif-library-code"·class="hover-link"> |
| 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 156 | ··</a> | 156 | ··</a> |
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| 209 | ··<a·href="#running-the-example"·class="hover-link"> | 209 | ··<a·href="#running-the-example"·class="hover-link"> |
| 210 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 210 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 211 | ··</a> | 211 | ··</a> |
| 212 | ··<span·class="text">Running·the·Example</span> | 212 | ··<span·class="text">Running·the·Example</span> |
| 213 | </h2> | 213 | </h2> |
| 214 | <p><em>Step·1.</em>·Compile·the·C·code:</p><pre><code·class="text">unix>·gcc·-o·complex6_nif.so·-fpic·-shared·complex.c·complex6_nif.c | 214 | <p><em>Step·1.</em>·Compile·the·C·code:</p><pre><code·class="text">unix>·gcc·-o·complex6_nif.so·-fpic·-shared·complex.c·complex6_nif.c |
| 215 | windows>·cl·-LD·-MD·-Fe·complex6_nif.dll·complex.c·complex6_nif.c</code></pre><p><em>Step·2:</em>·Start·Erlang·and·compile·the·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="ss">erl</span><span·class="w"> | 215 | windows>·cl·-LD·-MD·-Fe·complex6_nif.dll·complex.c·complex6_nif.c</code></pre><p><em>Step·2:</em>·Start·Erlang·and·compile·the·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="ss">erl</span><span·class="w"> |
| 216 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R13B04</span><span·class="w">·</span><span·class="p"·data-group-id="1 | 216 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R13B04</span><span·class="w">·</span><span·class="p"·data-group-id="1705115434-1">(</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">5.7</span><span·class="p">.</span><span·class="mi">5</span><span·class="p"·data-group-id="1705115434-1">)</span><span·class="w">·</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·1129,·SHA:·f80afbd6cedb3201cb1af761f1ca7e16e05578e2ec3f096c47eb95a9a2184a9a·...·]-6">]</span><span·class="w"> |
| 217 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">7.5</span><span·class="w">··</span><span·class="p"·data-group-id="1 | 217 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">7.5</span><span·class="w">··</span><span·class="p"·data-group-id="1705115434-7">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="1705115434-7">)</span><span·class="gp·unselectable"> |
| 218 | 1>·</span><span·class="nf">c</span><span·class="p"·data-group-id="1 | 218 | 1>·</span><span·class="nf">c</span><span·class="p"·data-group-id="1705115434-8">(</span><span·class="ss">complex6</span><span·class="p"·data-group-id="1705115434-8">)</span><span·class="p">.</span><span·class="w"> |
| 219 | </span><span·class="p"·data-group-id="1 | 219 | </span><span·class="p"·data-group-id="1705115434-9">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">complex6</span><span·class="p"·data-group-id="1705115434-9">}</span></code></pre><p><em>Step·3:</em>·Run·the·example:</p><pre><code·class="makeup·erlang"·translate="no"[·...·truncated·by·diffoscope;·len:·246,·SHA:·9e4c5986bc73eb5f62ff6d7d284f8b9e24bc7f4061829d3443c91b9175d9e417·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 220 | </span><span·class="mi">4</span><span·class="gp·unselectable"> | 220 | </span><span·class="mi">4</span><span·class="gp·unselectable"> |
| 221 | 4>·</span><span·class="nc">complex6</span><span·class="p">:</span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 221 | 4>·</span><span·class="nc">complex6</span><span·class="p">:</span><span·class="nf">bar</span><span·class="p"·data-group-id="0176065803-2">(</span><span·class="mi">5</span><span·class="p"·data-group-id="0176065803-2">)</span><span·class="p">.</span><span·class="w"> |
| 222 | </span><span·class="mi">10</span><span·class="gp·unselectable"> | 222 | </span><span·class="mi">10</span><span·class="gp·unselectable"> |
| 223 | 5>·</span><span·class="nc">complex6</span><span·class="p">:</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 223 | 5>·</span><span·class="nc">complex6</span><span·class="p">:</span><span·class="nf">foo</span><span·class="p"·data-group-id="0176065803-3">(</span><span·class="s">"not·an·integer"</span><span·class="p"·data-group-id="0176065803-3">)</span><span·class="p">.</span><span·class="w"> |
| 224 | </span><span·class="gt">**·exception·error:·bad·argument | 224 | </span><span·class="gt">**·exception·error:·bad·argument |
| 225 | ·····in·function··complex6:foo/1 | 225 | ·····in·function··complex6:foo/1 |
| 226 | ········called·as·comlpex6:foo("not·an·integer")</span></code></pre> | 226 | ········called·as·comlpex6:foo("not·an·integer")</span></code></pre> |
| 227 | </div> | 227 | </div> |
| 228 | <div·class="bottom-actions"·id="bottom-actions"> | 228 | <div·class="bottom-actions"·id="bottom-actions"> |
| 229 | ··<div·class="bottom-actions-item"> | 229 | ··<div·class="bottom-actions-item"> |
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| 271 | ······<p·class="built-using"> | 271 | ······<p·class="built-using"> |
| 272 | ········Built·using | 272 | ········Built·using |
| 273 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 273 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 274 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 274 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 275 | ······</p> | 275 | ······</p> |
| 276 | <p>Copyright·©·1996-202 | 276 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 277 | ····</footer> | 277 | ····</footer> |
| 278 | ··</div> | 278 | ··</div> |
| 279 | </main> | 279 | </main> |
| 280 | </div> | 280 | </div> |
| 281 | <script> | 281 | <script> |
| 282 | ··function·mermaidLoaded()·{ | 282 | ··function·mermaidLoaded()·{ |
| 283 | ····mermaid.initialize({ | 283 | ····mermaid.initialize({ |
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| 122 | ··<span·class="text">Opaque·Type·Aliases</span> | 122 | ··<span·class="text">Opaque·Type·Aliases</span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>The·main·use·case·for·opacity·in·Erlang·is·to·hide·the·implementation·of·a·data | 124 | <p>The·main·use·case·for·opacity·in·Erlang·is·to·hide·the·implementation·of·a·data |
| 125 | type,·enabling·evolving·the·API·while·minimizing·the·risk·of·breaking·consumers. | 125 | type,·enabling·evolving·the·API·while·minimizing·the·risk·of·breaking·consumers. |
| 126 | The·runtime·does·not·check·opacity.·Dialyzer·provides·some·opacity-checking,·but | 126 | The·runtime·does·not·check·opacity.·Dialyzer·provides·some·opacity-checking,·but |
| 127 | the·rest·is·up·to·convention.</p><p>This·document·explains·what·Erlang·opacity·is·(and·the·trade-offs·involved)·via | 127 | the·rest·is·up·to·convention.</p><p>This·document·explains·what·Erlang·opacity·is·(and·the·trade-offs·involved)·via |
| 128 | the·example·of·the·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#t:set/0"><code·class="inline">sets:set()</code></a>·data·type.·This·type·<em>was</em> | 128 | the·example·of·the·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#t:set/0"><code·class="inline">sets:set()</code></a>·data·type.·This·type·<em>was</em> |
| 129 | defined·in·the·<code·class="inline">sets</code>·module·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">opaque</span><span·class="w">·</span><span·class="nf">set</span><span·class="p"·data-group-id="3929427725-1">(</span><span·class="n">Element</span><span·class="p"·data-group-id="3929427725-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">set</span><span·class="p"·data-group-id="3929427725-2">{</span><span·class="ss">segs</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">segs</span><span·class="p"·data-group-id="3929427725-3">(</span><span·class="n">Element</span><span·class="p"·data-group-id="3929427725-3">)</span><span·class="p"·data-group-id="3929427725-2">}</span><span·class="p">.</span></code></pre><p>OTP·24·changed·the·definition·to·the·following·in | ||
| 130 | 129 | defined·in·the·<code·class="inline">sets</code>·module·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">opaque</span><span·class="w">·</span><span·class="nf">set</span><span·class="p"·data-group-id="093[·...·truncated·by·diffoscope;·len:·732,·SHA:·6d8207ffa822c54c6002026c4cf73d17d98525739abe9116f4372dec878777ea·...·] | |
| 130 | <a·href="https://github.com/erlang/otp/commit/e66941e8d7c47b973dff94c0308ea85a6be1958e">this·commit</a>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">opaque</span><span·class="w">·</span><span·class="nf">set</span><span·class="p"·data-group-id="7119189581-1">(</span><span·class="n">Element</span><span·class="p"·data-group-id="7119189581-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">set</span><span·class="p"·data-group-id="7119189581-2">{</span><span·class="ss">segs</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">segs</span><span·class="p"·data-group-id="7119189581-3">(</span><span·class="n">Element</span><span·class="p"·data-group-id="7119189581-3">)</span><span·class="p"·data-group-id="7119189581-2">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="7119189581-4">#{</span><span·class="n">Element</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="o">?</span><span·class="n">VALUE</span><span·class="p"·data-group-id="7119189581-4">}</span><span·class="p">.</span></code></pre><p>And·this·change·was·safer·and·more·backwards-compatible·than·if·the·type·had | ||
| 131 | been·defined·with·<code·class="inline">-type</code>·instead·of·<code·class="inline">-opaque</code>.·Here·is·why:·when·a·module | 131 | been·defined·with·<code·class="inline">-type</code>·instead·of·<code·class="inline">-opaque</code>.·Here·is·why:·when·a·module |
| 132 | defines·an·<code·class="inline">-opaque</code>,·the·contract·is·that·only·the·defining·module·should·rely | 132 | defines·an·<code·class="inline">-opaque</code>,·the·contract·is·that·only·the·defining·module·should·rely |
| 133 | on·the·definition·of·the·type:·no·other·modules·should·rely·on·the·definition.</p><p>This·means·that·code·that·pattern-matched·on·<code·class="inline">set</code>·as·a·record/tuple·technically | 133 | on·the·definition·of·the·type:·no·other·modules·should·rely·on·the·definition.</p><p>This·means·that·code·that·pattern-matched·on·<code·class="inline">set</code>·as·a·record/tuple·technically |
| 134 | broke·the·contract,·and·opted·in·to·being·potentially·broken·when·the·definition | 134 | broke·the·contract,·and·opted·in·to·being·potentially·broken·when·the·definition |
| 135 | of·<code·class="inline">set()</code>·changed.·Before·OTP·24,·this·code·printed·<code·class="inline">ok</code>.·In·OTP·24·it·may | 135 | of·<code·class="inline">set()</code>·changed.·Before·OTP·24,·this·code·printed·<code·class="inline">ok</code>.·In·OTP·24·it·may |
| 136 | error:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="nc">sets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 136 | error:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="nc">sets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="3494455311-1">(</span><span·class="p"·data-group-id="3494455311-1">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 137 | ····</span><span·class="n">Set</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_tuple</span><span·class="p"·data-group-id=" | 137 | ····</span><span·class="n">Set</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_tuple</span><span·class="p"·data-group-id="3494455311-2">(</span><span·class="n">Set</span><span·class="p"·data-group-id="3494455311-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 138 | ········</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 138 | ········</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3494455311-3">(</span><span·class="s">"ok"</span><span·class="p"·data-group-id="3494455311-3">)</span><span·class="w"> |
| 139 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p><strong>When·working·with·an·opaque·defined·in·another·module,·here·are·some | 139 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p><strong>When·working·with·an·opaque·defined·in·another·module,·here·are·some |
| 140 | recommendations:</strong></p><ul><li>Don't·examine·the·underlying·type·using·pattern-matching,·guards,·or·functions | 140 | recommendations:</strong></p><ul><li>Don't·examine·the·underlying·type·using·pattern-matching,·guards,·or·functions |
| 141 | that·reveal·the·type,·such·as·<a·href="../../erts-15.2.3/doc/html/erlang.html#tuple_size/1"><code·class="inline">tuple_size/1</code></a>·.</li><li>Instead,·use·functions·provided·by·the·module·for·working·with·the·type.·For | 141 | that·reveal·the·type,·such·as·<a·href="../../erts-15.2.3/doc/html/erlang.html#tuple_size/1"><code·class="inline">tuple_size/1</code></a>·.</li><li>Instead,·use·functions·provided·by·the·module·for·working·with·the·type.·For |
| 142 | example,·<code·class="inline">sets</code>·module·provides·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#new/0"><code·class="inline">sets:new/0</code></a>,·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#add_element/2"><code·class="inline">sets:add_element/2</code></a>, | 142 | example,·<code·class="inline">sets</code>·module·provides·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#new/0"><code·class="inline">sets:new/0</code></a>,·<a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#add_element/2"><code·class="inline">sets:add_element/2</code></a>, |
| 143 | <a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#is_element/2"><code·class="inline">sets:is_element/2</code></a>,·and·so·on.</li><li><p><a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#t:set/1"><code·class="inline">sets:set(a)</code></a>·is·a·subtype·of·<code·class="inline">sets:set(a·|·b)</code>·and·not·the | 143 | <a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#is_element/2"><code·class="inline">sets:is_element/2</code></a>,·and·so·on.</li><li><p><a·href="../../lib/stdlib-6.2.1/doc/html/sets.html#t:set/1"><code·class="inline">sets:set(a)</code></a>·is·a·subtype·of·<code·class="inline">sets:set(a·|·b)</code>·and·not·the |
| 144 | other·way·around.·Generally,·you·can·rely·on·the·property·that·<code·class="inline">the_opaque(T)</code> | 144 | other·way·around.·Generally,·you·can·rely·on·the·property·that·<code·class="inline">the_opaque(T)</code> |
| 145 | is·a·subtype·of·<code·class="inline">the_opaque(U)</code>·when·T·is·a·subtype·of·U.</p></li></ul><p><strong>When·defining·your·own·opaques,·here·are·some·recommendations:</strong></p><ul><li>Since·consumers·are·expected·to·not·rely·on·the·definition·of·the·opaque·type, | 145 | is·a·subtype·of·<code·class="inline">the_opaque(U)</code>·when·T·is·a·subtype·of·U.</p></li></ul><p><strong>When·defining·your·own·opaques,·here·are·some·recommendations:</strong></p><ul><li>Since·consumers·are·expected·to·not·rely·on·the·definition·of·the·opaque·type, |
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| 205 | ······<p·class="built-using"> | 205 | ······<p·class="built-using"> |
| 206 | ········Built·using | 206 | ········Built·using |
| 207 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 207 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 208 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 208 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 209 | ······</p> | 209 | ······</p> |
| 210 | <p>Copyright·©·1996-202 | 210 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 211 | ····</footer> | 211 | ····</footer> |
| 212 | ··</div> | 212 | ··</div> |
| 213 | </main> | 213 | </main> |
| 214 | </div> | 214 | </div> |
| 215 | <script> | 215 | <script> |
| 216 | ··function·mermaidLoaded()·{ | 216 | ··function·mermaidLoaded()·{ |
| 217 | ····mermaid.initialize({ | 217 | ····mermaid.initialize({ |
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| 201 | ··</a> | 201 | ··</a> |
| 202 | ··<span·class="text">Sanity·check</span> | 202 | ··<span·class="text">Sanity·check</span> |
| 203 | </h2> | 203 | </h2> |
| 204 | <p>The·application·dependencies·can·be·checked·using·the·Erlang·shell. | 204 | <p>The·application·dependencies·can·be·checked·using·the·Erlang·shell. |
| 205 | Application·dependencies·are·verified·among·installed·applications·by | 205 | Application·dependencies·are·verified·among·installed·applications·by |
| 206 | <code·class="inline">otp_patch_apply</code>,·but·these·are·not·necessarily·those·actually·loaded. | 206 | <code·class="inline">otp_patch_apply</code>,·but·these·are·not·necessarily·those·actually·loaded. |
| 207 | By·calling·<code·class="inline">system_information:sanity_check()</code>·one·can·validate | 207 | By·calling·<code·class="inline">system_information:sanity_check()</code>·one·can·validate |
| 208 | dependencies·among·applications·actually·loaded.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">system_information</span><span·class="p">:</span><span·class="nf">sanity_check</span><span·class="p"·data-group-id=" | 208 | dependencies·among·applications·actually·loaded.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">system_information</span><span·class="p">:</span><span·class="nf">sanity_check</span><span·class="p"·data-group-id="9360318576-1">(</span><span·class="p"·data-group-id="9360318576-1">)</span><span·class="p">.</span><span·class="w"> |
| 209 | </span><span·class="ss">ok</span></code></pre><p>Please·take·a·look·at·the·reference·of·<a·href="../../lib/runtime_tools-2.1.1/doc/html/system_information.html#sanity_check/0"·title="">sanity_check()</a>·for·more | 209 | </span><span·class="ss">ok</span></code></pre><p>Please·take·a·look·at·the·reference·of·<a·href="../../lib/runtime_tools-2.1.1/doc/html/system_information.html#sanity_check/0"·title="">sanity_check()</a>·for·more |
| 210 | information.</p> | 210 | information.</p> |
| 211 | </div> | 211 | </div> |
| 212 | <div·class="bottom-actions"·id="bottom-actions"> | 212 | <div·class="bottom-actions"·id="bottom-actions"> |
| 213 | ··<div·class="bottom-actions-item"> | 213 | ··<div·class="bottom-actions-item"> |
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| 254 | ······<p·class="built-using"> | 254 | ······<p·class="built-using"> |
| 255 | ········Built·using | 255 | ········Built·using |
| 256 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 256 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 257 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 257 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 258 | ······</p> | 258 | ······</p> |
| 259 | <p>Copyright·©·1996-202 | 259 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 260 | ····</footer> | 260 | ····</footer> |
| 261 | ··</div> | 261 | ··</div> |
| 262 | </main> | 262 | </main> |
| 263 | </div> | 263 | </div> |
| 264 | <script> | 264 | <script> |
| 265 | ··function·mermaidLoaded()·{ | 265 | ··function·mermaidLoaded()·{ |
| 266 | ····mermaid.initialize({ | 266 | ····mermaid.initialize({ |
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| 307 | ······<p·class="built-using"> | 307 | ······<p·class="built-using"> |
| 308 | ········Built·using | 308 | ········Built·using |
| 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 311 | ······</p> | 311 | ······</p> |
| 312 | <p>Copyright·©·1996-202 | 312 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 313 | ····</footer> | 313 | ····</footer> |
| 314 | ··</div> | 314 | ··</div> |
| 315 | </main> | 315 | </main> |
| 316 | </div> | 316 | </div> |
| 317 | <script> | 317 | <script> |
| 318 | ··function·mermaidLoaded()·{ | 318 | ··function·mermaidLoaded()·{ |
| 319 | ····mermaid.initialize({ | 319 | ····mermaid.initialize({ |
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| 128 | succeeds,·any·unbound·variables·in·the·pattern·become·bound.·If·the·matching | 128 | succeeds,·any·unbound·variables·in·the·pattern·become·bound.·If·the·matching |
| 129 | fails,·an·exception·is·raised.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">X</span><span·class="p">.</span><span·class="w"> | 129 | fails,·an·exception·is·raised.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">X</span><span·class="p">.</span><span·class="w"> |
| 130 | </span><span·class="gt">**·1:1:·variable·'X'·is·unbound·**</span><span·class="gp·unselectable"> | 130 | </span><span·class="gt">**·1:1:·variable·'X'·is·unbound·**</span><span·class="gp·unselectable"> |
| 131 | 2>·</span><span·class="n">X</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">2</span><span·class="p">.</span><span·class="w"> | 131 | 2>·</span><span·class="n">X</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">2</span><span·class="p">.</span><span·class="w"> |
| 132 | </span><span·class="mi">2</span><span·class="gp·unselectable"> | 132 | </span><span·class="mi">2</span><span·class="gp·unselectable"> |
| 133 | 3>·</span><span·class="n">X</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> | 133 | 3>·</span><span·class="n">X</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="mi">3</span><span·class="gp·unselectable"> | 134 | </span><span·class="mi">3</span><span·class="gp·unselectable"> |
| 135 | 4>·</span><span·class="p"·data-group-id="2 | 135 | 4>·</span><span·class="p"·data-group-id="8258957936-1">{</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="8258957936-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·179,·SHA:·c335830930bacc1563f55627be678bebc39f826dd12f83bb22ba732a31f9997d·...·]-2">}</span><span·class="p">.</span><span·class="w"> |
| 136 | </span><span·class="gt">**·exception·error:·no·match·of·right·hand·side·value·{1,2}</span><span·class="gp·unselectable"> | 136 | </span><span·class="gt">**·exception·error:·no·match·of·right·hand·side·value·{1,2}</span><span·class="gp·unselectable"> |
| 137 | 5>·</span><span·class="p"·data-group-id="2 | 137 | 5>·</span><span·class="p"·data-group-id="8258957936-3">{</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="8258957936-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·179,·SHA:·2ee6c5e27059b25eec88a9571f02a84bbab9b6321262876a622fd4b163285ce7·...·]-4">}</span><span·class="p">.</span><span·class="w"> |
| 138 | </span><span·class="p"·data-group-id="2 | 138 | </span><span·class="p"·data-group-id="8258957936-5">{</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="8258957936-5">}</span><span·class="gp·unselectable"> |
| 139 | 6>·</span><span·class="n">Y</span><span·class="p">.</span><span·class="w"> | 139 | 6>·</span><span·class="n">Y</span><span·class="p">.</span><span·class="w"> |
| 140 | </span><span·class="mi">3</span></code></pre> | 140 | </span><span·class="mi">3</span></code></pre> |
| 141 | </div> | 141 | </div> |
| 142 | <div·class="bottom-actions"·id="bottom-actions"> | 142 | <div·class="bottom-actions"·id="bottom-actions"> |
| 143 | ··<div·class="bottom-actions-item"> | 143 | ··<div·class="bottom-actions-item"> |
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| 184 | ······<p·class="built-using"> | 184 | ······<p·class="built-using"> |
| 185 | ········Built·using | 185 | ········Built·using |
| 186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 188 | ······</p> | 188 | ······</p> |
| 189 | <p>Copyright·©·1996-202 | 189 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 190 | ····</footer> | 190 | ····</footer> |
| 191 | ··</div> | 191 | ··</div> |
| 192 | </main> | 192 | </main> |
| 193 | </div> | 193 | </div> |
| 194 | <script> | 194 | <script> |
| 195 | ··function·mermaidLoaded()·{ | 195 | ··function·mermaidLoaded()·{ |
| 196 | ····mermaid.initialize({ | 196 | ····mermaid.initialize({ |
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| 225 | ······<p·class="built-using"> | 225 | ······<p·class="built-using"> |
| 226 | ········Built·using | 226 | ········Built·using |
| 227 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 227 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 228 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 228 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 229 | ······</p> | 229 | ······</p> |
| 230 | <p>Copyright·©·1996-202 | 230 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 231 | ····</footer> | 231 | ····</footer> |
| 232 | ··</div> | 232 | ··</div> |
| 233 | </main> | 233 | </main> |
| 234 | </div> | 234 | </div> |
| 235 | <script> | 235 | <script> |
| 236 | ··function·mermaidLoaded()·{ | 236 | ··function·mermaidLoaded()·{ |
| 237 | ····mermaid.initialize({ | 237 | ····mermaid.initialize({ |
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| 311 | ······<p·class="built-using"> | 311 | ······<p·class="built-using"> |
| 312 | ········Built·using | 312 | ········Built·using |
| 313 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 313 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 314 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 314 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 315 | ······</p> | 315 | ······</p> |
| 316 | <p>Copyright·©·1996-202 | 316 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 317 | ····</footer> | 317 | ····</footer> |
| 318 | ··</div> | 318 | ··</div> |
| 319 | </main> | 319 | </main> |
| 320 | </div> | 320 | </div> |
| 321 | <script> | 321 | <script> |
| 322 | ··function·mermaidLoaded()·{ | 322 | ··function·mermaidLoaded()·{ |
| 323 | ····mermaid.initialize({ | 323 | ····mermaid.initialize({ |
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| 122 | ··<span·class="text">Records·and·Tuples</span> | 122 | ··<span·class="text">Records·and·Tuples</span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>The·main·advantage·of·using·records·rather·than·tuples·is·that·fields·in·a | 124 | <p>The·main·advantage·of·using·records·rather·than·tuples·is·that·fields·in·a |
| 125 | record·are·accessed·by·name,·whereas·fields·in·a·tuple·are·accessed·by·position. | 125 | record·are·accessed·by·name,·whereas·fields·in·a·tuple·are·accessed·by·position. |
| 126 | To·illustrate·these·differences,·suppose·that·you·want·to·represent·a·person | 126 | To·illustrate·these·differences,·suppose·that·you·want·to·represent·a·person |
| 127 | with·the·tuple·<code·class="inline">{Name,·Address,·Phone}</code>.</p><p>To·write·functions·that·manipulate·this·data,·remember·the·following:</p><ul><li>The·<code·class="inline">Name</code>·field·is·the·first·element·of·the·tuple.</li><li>The·<code·class="inline">Address</code>·field·is·the·second·element.</li><li>The·<code·class="inline">Phone</code>·field·is·the·third·element.</li></ul><p>For·example,·to·extract·data·from·a·variable·<code·class="inline">P</code>·that·contains·such·a·tuple,·you | 127 | with·the·tuple·<code·class="inline">{Name,·Address,·Phone}</code>.</p><p>To·write·functions·that·manipulate·this·data,·remember·the·following:</p><ul><li>The·<code·class="inline">Name</code>·field·is·the·first·element·of·the·tuple.</li><li>The·<code·class="inline">Address</code>·field·is·the·second·element.</li><li>The·<code·class="inline">Phone</code>·field·is·the·third·element.</li></ul><p>For·example,·to·extract·data·from·a·variable·<code·class="inline">P</code>·that·contains·such·a·tuple,·you |
| 128 | can·write·the·following·code·and·then·use·pattern·matching·to·extract·the | 128 | can·write·the·following·code·and·then·use·pattern·matching·to·extract·the |
| 129 | relevant·fields:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 129 | relevant·fields:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id="3490045392-1">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">P</span><span·class="p"·data-group-id="3490045392-1">)</span><span·class="p">,</span><span·class="w"> |
| 130 | </span><span·class="n">Address</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 130 | </span><span·class="n">Address</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id="3490045392-2">(</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">P</span><span·class="p"·data-group-id="3490045392-2">)</span><span·class="p">,</span><span·class="w"> |
| 131 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Such·code·is·difficult·to·read·and·understand,·and·errors·occur·if·the·numbering | 131 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Such·code·is·difficult·to·read·and·understand,·and·errors·occur·if·the·numbering |
| 132 | of·the·elements·in·the·tuple·is·wrong.·If·the·data·representation·of·the·fields | 132 | of·the·elements·in·the·tuple·is·wrong.·If·the·data·representation·of·the·fields |
| 133 | is·changed,·by·re-ordering,·adding,·or·removing·fields,·all·references·to·the | 133 | is·changed,·by·re-ordering,·adding,·or·removing·fields,·all·references·to·the |
| 134 | person·tuple·must·be·checked·and·possibly·modified.</p><p>Records·allow·references·to·the·fields·by·name,·instead·of·by·position.·In·the | 134 | person·tuple·must·be·checked·and·possibly·modified.</p><p>Records·allow·references·to·the·fields·by·name,·instead·of·by·position.·In·the |
| 135 | following·example,·a·record·instead·of·a·tuple·is·used·to·store·the·data:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 135 | following·example,·a·record·instead·of·a·tuple·is·used·to·store·the·data:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="5180625638-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5180625638-2">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">phone</spa[·...·truncated·by·diffoscope;·len:·175,·SHA:·249ab8de2d7f2e6bfb0c09d06bdca687b8958e1cb7499ebfb46ba3c5ba94e975·...·]-1">)</span><span·class="p">.</span></code></pre><p>This·enables·references·to·the·fields·of·the·record·by·name.·For·example,·if·<code·class="inline">P</code> |
| 136 | is·a·variable·whose·value·is·a·<code·class="inline">person</code>·record,·the·following·code·access·the | 136 | is·a·variable·whose·value·is·a·<code·class="inline">person</code>·record,·the·following·code·access·the |
| 137 | name·and·address·fields·of·the·records:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">name</span><span·class="p">,</span><span·class="w"> | 137 | name·and·address·fields·of·the·records:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">name</span><span·class="p">,</span><span·class="w"> |
| 138 | </span><span·class="n">Address</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">address</span><span·class="p">,</span><span·class="w"> | 138 | </span><span·class="n">Address</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">address</span><span·class="p">,</span><span·class="w"> |
| 139 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Internally,·records·are·represented·using·tagged·tuples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 139 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Internally,·records·are·represented·using·tagged·tuples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9227589105-1">{</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Phone</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·66,·SHA:·08e8a4dd97893b503b57aa51610696fd0be5c820d3c6047e5ca0a79105aa3be5·...·]-1">}</span></code></pre><h2·id="defining-a-record"·class="section-heading"> |
| 140 | ··<a·href="#defining-a-record"·class="hover-link"> | 140 | ··<a·href="#defining-a-record"·class="hover-link"> |
| 141 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 141 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 142 | ··</a> | 142 | ··</a> |
| 143 | ··<span·class="text">Defining·a·Record</span> | 143 | ··<span·class="text">Defining·a·Record</span> |
| 144 | </h2> | 144 | </h2> |
| 145 | <p>This·following·definition·of·a·<code·class="inline">person</code>·is·used·in·several·examples·in·this | 145 | <p>This·following·definition·of·a·<code·class="inline">person</code>·is·used·in·several·examples·in·this |
| 146 | section.·Three·fields·are·included,·<code·class="inline">name</code>,·<code·class="inline">phone</code>,·and·<code·class="inline">address</code>.·The·default | 146 | section.·Three·fields·are·included,·<code·class="inline">name</code>,·<code·class="inline">phone</code>,·and·<code·class="inline">address</code>.·The·default |
| 147 | values·for·<code·class="inline">name</code>·and·<code·class="inline">phone</code>·is·""·and·[],·respectively.·The·default·value·for | 147 | values·for·<code·class="inline">name</code>·and·<code·class="inline">phone</code>·is·""·and·[],·respectively.·The·default·value·for |
| 148 | <code·class="inline">address</code>·is·the·atom·<code·class="inline">undefined</code>,·since·no·default·value·is·supplied·for·this | 148 | <code·class="inline">address</code>·is·the·atom·<code·class="inline">undefined</code>,·since·no·default·value·is·supplied·for·this |
| 149 | field:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 149 | field:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="0723940443-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0723940443-2">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·460,·SHA:·a1a32e1b12f685df7077b5b76027bb7af4f21f3b863a38cafca88163247c0ab3·...·]-1">)</span><span·class="p">.</span></code></pre><p>The·record·must·be·defined·in·the·shell·to·enable·use·of·the·record·syntax·in |
| 150 | the·examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">rd</span><span·class="p"·data-group-id=" | 150 | the·examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">rd</span><span·class="p"·data-group-id="7408300518-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7408300518-2">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·460,·SHA:·e751f5cb7aedc78c769d8462185ecfa93184dfa38aee10efc847d1c1119dafa2·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="ss">person</span></code></pre><p>This·is·because·record·definitions·are·only·available·at·compile·time,·not·at | 151 | </span><span·class="ss">person</span></code></pre><p>This·is·because·record·definitions·are·only·available·at·compile·time,·not·at |
| 152 | runtime.·For·details·on·records·in·the·shell,·see·the·<a·href="../../lib/stdlib-6.2.1/doc/html/shell.html"><code·class="inline">shell</code></a>·manual·page·in | 152 | runtime.·For·details·on·records·in·the·shell,·see·the·<a·href="../../lib/stdlib-6.2.1/doc/html/shell.html"><code·class="inline">shell</code></a>·manual·page·in |
| 153 | STDLIB.</p><h2·id="creating-a-record"·class="section-heading"> | 153 | STDLIB.</p><h2·id="creating-a-record"·class="section-heading"> |
| 154 | ··<a·href="#creating-a-record"·class="hover-link"> | 154 | ··<a·href="#creating-a-record"·class="hover-link"> |
| 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 156 | ··</a> | 156 | ··</a> |
| 157 | ··<span·class="text">Creating·a·Record</span> | 157 | ··<span·class="text">Creating·a·Record</span> |
| 158 | </h2> | 158 | </h2> |
| 159 | <p>A·new·<code·class="inline">person</code>·record·is·created·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 159 | <p>A·new·<code·class="inline">person</code>·record·is·created·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="9716002282-1">{</span><span·class="ss">phone</span><span·class="o">=</span><span·class="p"·data-group-id="9716002282-2">[</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">8</span><span·class="p">,</span><span·class="mi">2</span><span[·...·truncated·by·diffoscope;·len:·475,·SHA:·04cf95326ccb76ebc5c2a82480c61b0fe8d1be5709827e255a23de16b4c85e81·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 160 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 160 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="9716002282-3">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Robert"</span><span·class="p">,</span><span·class="ss">phone</span><span·class="w">·</span><span·class="o">[·...·truncated·by·diffoscope;·len:·707,·SHA:·1dd461702b0b1c375ba513cea7c5dfd49f0bcbd021d0010a654a0672e0b1a4d2·...·]-3">}</span></code></pre><p>As·the·<code·class="inline">address</code>·field·was·omitted,·its·default·value·is·used.</p><p>From·Erlang·5.1/OTP·R8B,·a·value·to·all·fields·in·a·record·can·be·set·with·the |
| 161 | special·field·<code·class="inline">_</code>.·<code·class="inline">_</code>·means·"all·fields·not·explicitly·specified".</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="2 | 161 | special·field·<code·class="inline">_</code>.·<code·class="inline">_</code>·means·"all·fields·not·explicitly·specified".</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="2510669153-1">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Jakob"</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·125,·SHA:·0ac2709d9e9bc7388a2759ae6e957917b7100f8593bcf37798dea8daeed5b44a·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="2 | 162 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="2510669153-2">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Jakob"</span><span·class="p">,</span><span·class="ss">phone</span><span·class="w">·</span><span·class="o">=<[·...·truncated·by·diffoscope;·len:·268,·SHA:·a567bab042df631e1382413d16266628ebc1e9081770446db1be873c71365699·...·]-2">}</span></code></pre><p>It·is·primarily·intended·to·be·used·in·<a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#match/2"><code·class="inline">ets:match/2</code></a>·and |
| 163 | <a·href="../../lib/mnesia-4.23.4/doc/html/mnesia.html#match_object/3"><code·class="inline">mnesia:match_object/3</code></a>,·to·set·record·fields·to·the·atom·<code·class="inline">'_'</code>.·(This·is·a | 163 | <a·href="../../lib/mnesia-4.23.4/doc/html/mnesia.html#match_object/3"><code·class="inline">mnesia:match_object/3</code></a>,·to·set·record·fields·to·the·atom·<code·class="inline">'_'</code>.·(This·is·a |
| 164 | wildcard·in·<a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#match/2"><code·class="inline">ets:match/2</code></a>.)</p><h2·id="accessing-a-record-field"·class="section-heading"> | 164 | wildcard·in·<a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#match/2"><code·class="inline">ets:match/2</code></a>.)</p><h2·id="accessing-a-record-field"·class="section-heading"> |
| 165 | ··<a·href="#accessing-a-record-field"·class="hover-link"> | 165 | ··<a·href="#accessing-a-record-field"·class="hover-link"> |
| 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 167 | ··</a> | 167 | ··</a> |
| 168 | ··<span·class="text">Accessing·a·Record·Field</span> | 168 | ··<span·class="text">Accessing·a·Record·Field</span> |
| 169 | </h2> | 169 | </h2> |
| 170 | <p>The·following·example·shows·how·to·access·a·record·field:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 170 | <p>The·following·example·shows·how·to·access·a·record·field:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="1911919672-1">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Joe"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">phone</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·568,·SHA:·12e24a685fc78615dac4c9e47b9bf21881c6c1c742caa3845554329efea7ac26·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 171 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="1911919672-3">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Joe"</span><span·class="p">,</span><span·class="ss">phone</span><span·class="w">·</span><span·class="o">=</[·...·truncated·by·diffoscope;·len:·704,·SHA:·daa593ee88ad3b18258225cd40dcb496049a8c9dbf3aaf4fd354c6a6db2718f5·...·]-3">}</span><span·class="gp·unselectable"> |
| 172 | >·</span><span·class="n">P</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">name</span><span·class="p">.</span><span·class="w"> | 172 | >·</span><span·class="n">P</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">name</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="s">"Joe"</span></code></pre><h2·id="updating-a-record"·class="section-heading"> | 173 | </span><span·class="s">"Joe"</span></code></pre><h2·id="updating-a-record"·class="section-heading"> |
| 174 | ··<a·href="#updating-a-record"·class="hover-link"> | 174 | ··<a·href="#updating-a-record"·class="hover-link"> |
| 175 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 175 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 176 | ··</a> | 176 | ··</a> |
| 177 | ··<span·class="text">Updating·a·Record</span> | 177 | ··<span·class="text">Updating·a·Record</span> |
| 178 | </h2> | 178 | </h2> |
| 179 | <p>The·following·example·shows·how·to·update·a·record:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">P1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 179 | <p>The·following·example·shows·how·to·update·a·record:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">P1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="3211872067-1">{</span><span·class="ss">name</span><span·class="o">=</span><span·class="s">"Joe"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">phone</span><span·class="o">=</span><span·class="p"·data-group-id="3211872067-2[·...·truncated·by·diffoscope;·len:·373,·SHA:·87ec37dbe8d5e900b2f79eb5cfaa8273159bd6c7360a65b4a454ca6af103d4ed·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 180 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 180 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="3211872067-3">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Joe"</span><span·class="p">,</span><span·class="ss">phone</span><span·class="w">·</span><span·class="o">=</[·...·truncated·by·diffoscope;·len:·469,·SHA:·e6b970d7c8624a4fcdf83f99acf79af9c112a559da19bebdefc1ffdc5cc655d7·...·]-3">}</span><span·class="gp·unselectable"> |
| 181 | >·</span><span·class="n">P2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P1</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 181 | >·</span><span·class="n">P2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P1</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="3211872067-5">{</span><span·class="ss">name</span><span·class="o">=</span><span·class="s">"Robert"</span><span·class="p"·data-group-id="3211872067-5">}</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 182 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="3211872067-6">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Robert"</span><span·class="p">,</span><span·class="ss">phone</span><span·class="w">·</span><span·class="o">[·...·truncated·by·diffoscope;·len:·472,·SHA:·5f328e7f60b99de4b6da6415d7fd4eb91b2208691fc2d8a1cb391b6a9ff2753c·...·]-6">}</span></code></pre><h2·id="type-testing"·class="section-heading"> |
| 183 | ··<a·href="#type-testing"·class="hover-link"> | 183 | ··<a·href="#type-testing"·class="hover-link"> |
| 184 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 184 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 185 | ··</a> | 185 | ··</a> |
| 186 | ··<span·class="text">Type·Testing</span> | 186 | ··<span·class="text">Type·Testing</span> |
| 187 | </h2> | 187 | </h2> |
| 188 | <p>The·following·example·shows·that·the·guard·succeeds·if·<code·class="inline">P</code>·is·record·of·type | 188 | <p>The·following·example·shows·that·the·guard·succeeds·if·<code·class="inline">P</code>·is·record·of·type |
| 189 | <code·class="inline">person</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id=" | 189 | <code·class="inline">person</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="1428774141-1">(</span><span·class="n">P</span><span·class="p"·data-group-id="1428774141-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_record</span><span·class="p"·data-group-id="1428774141-2">(</s[·...·truncated·by·diffoscope;·len:·147,·SHA:·da325fff134ed76e4a928f27499647b00509d0591d23b6378a8da6f35c700d00·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">a_person</span><span·class="p">;</span><span·class="w"> |
| 190 | </span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 190 | </span><span·class="nf">foo</span><span·class="p"·data-group-id="1428774141-3">(</span><span·class="p">_</span><span·class="p"·data-group-id="1428774141-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">not_a_person</span><span·class="p">.</span></code></pre><h2·id="pattern-matching"·class="section-heading"> |
| 191 | ··<a·href="#pattern-matching"·class="hover-link"> | 191 | ··<a·href="#pattern-matching"·class="hover-link"> |
| 192 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 192 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 193 | ··</a> | 193 | ··</a> |
| 194 | ··<span·class="text">Pattern·Matching</span> | 194 | ··<span·class="text">Pattern·Matching</span> |
| 195 | </h2> | 195 | </h2> |
| 196 | <p>Matching·can·be·used·in·combination·with·records,·as·shown·in·the·following | 196 | <p>Matching·can·be·used·in·combination·with·records,·as·shown·in·the·following |
| 197 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">P3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 197 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">P3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="2456143677-1">{</span><span·class="ss">name</span><span·class="o">=</span><span·class="s">"Joe"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">phone</span><span·class="o">=</span><span·class="p"·data-group-id="2456143677-2[·...·truncated·by·diffoscope;·len:·373,·SHA:·df9e8e5525e525e807ae0f36cbb0f1df492076741905ee7c1b01bf10f5772731·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 198 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 198 | </span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="2456143677-3">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Joe"</span><span·class="p">,</span><span·class="ss">phone</span><span·class="w">·</span><span·class="o">=</[·...·truncated·by·diffoscope;·len:·469,·SHA:·336b50291129a5518c2d3446e8d40d3ec85f0e881fd99d1428970e4db0ba8fc0·...·]-3">}</span><span·class="gp·unselectable"> |
| 199 | >·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 199 | >·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="2456143677-5">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Name</span><span·class="p"·data-group-id="2456143677-5">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="s">"Joe"</span></code></pre><p>The·following·function·takes·a·list·of·<code·class="inline">person</code>·records·and·searches·for·the | 200 | </span><span·class="s">"Joe"</span></code></pre><p>The·following·function·takes·a·list·of·<code·class="inline">person</code>·records·and·searches·for·the |
| 201 | phone·number·of·a·person·with·a·particular·name:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">find_phone</span><span·class="p"·data-group-id="5 | 201 | phone·number·of·a·person·with·a·particular·name:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">find_phone</span><span·class="p"·data-group-id="6552959791-1">(</span><span·class="p"·data-group-id="6552959791-2">[</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="6552959791-3">{</span><span·class="ss">name</span><span·class="o">=</span><span·class="n">Name</[·...·truncated·by·diffoscope;·len:·452,·SHA:·0a183f7c0aa1e1b66e157d49e64a5bb379fae0e905250206ead4e30fb20f6594·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 202 | ····</span><span·class="p"·data-group-id="5 | 202 | ····</span><span·class="p"·data-group-id="6552959791-4">{</span><span·class="ss">found</span><span·class="p">,</span><span·class="w">··</span><span·class="n">Phone</span><span·class="p"·data-group-id="6552959791-4">}</span><span·class="p">;</span><span·class="w"> |
| 203 | </span><span·class="nf">find_phone</span><span·class="p"·data-group-id="5 | 203 | </span><span·class="nf">find_phone</span><span·class="p"·data-group-id="6552959791-5">(</span><span·class="p"·data-group-id="6552959791-6">[</span><span·class="p">_</span><span·class="p">|</span><span·class="w">·</span><span·class="n">T</span><span·class="p"·data-group-id="6552959791-6">]</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·84,·SHA:·99e497917acd6ec15f184135641b3d91bc3dfd654aa81b7e40495f2fee85d213·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 204 | ····</span><span·class="nf">find_phone</span><span·class="p"·data-group-id="5 | 204 | ····</span><span·class="nf">find_phone</span><span·class="p"·data-group-id="6552959791-7">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p"·data-group-id="6552959791-7">)</span><span·class="p">;</span><span·class="w"> |
| 205 | </span><span·class="nf">find_phone</span><span·class="p"·data-group-id="5 | 205 | </span><span·class="nf">find_phone</span><span·class="p"·data-group-id="6552959791-8">(</span><span·class="p"·data-group-id="6552959791-9">[</span><span·class="p"·data-group-id="6552959791-9">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p"·data-group-id="6552959791-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 206 | ····</span><span·class="ss">not_found</span><span·class="p">.</span></code></pre><p>The·fields·referred·to·in·the·pattern·can·be·given·in·any·order.</p><h2·id="nested-records"·class="section-heading"> | 206 | ····</span><span·class="ss">not_found</span><span·class="p">.</span></code></pre><p>The·fields·referred·to·in·the·pattern·can·be·given·in·any·order.</p><h2·id="nested-records"·class="section-heading"> |
| 207 | ··<a·href="#nested-records"·class="hover-link"> | 207 | ··<a·href="#nested-records"·class="hover-link"> |
| 208 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 208 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 209 | ··</a> | 209 | ··</a> |
| 210 | ··<span·class="text">Nested·Records</span> | 210 | ··<span·class="text">Nested·Records</span> |
| 211 | </h2> | 211 | </h2> |
| 212 | <p>The·value·of·a·field·in·a·record·can·be·an·instance·of·a·record.·Retrieval·of | 212 | <p>The·value·of·a·field·in·a·record·can·be·an·instance·of·a·record.·Retrieval·of |
| 213 | nested·data·can·be·done·stepwise,·or·in·a·single·step,·as·shown·in·the·following | 213 | nested·data·can·be·done·stepwise,·or·in·a·single·step,·as·shown·in·the·following |
| 214 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="7912135615-1">(</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7912135615-2">{</span><span·class="ss">first</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Robert"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">last</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Ericsson"</span><span·class="p"·data-group-id="7912135615-2">}</span><span·class="p"·data-group-id="7912135615-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 215 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 214 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="5780870979-1">(</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·469,·SHA:·f218ffb4d8be8127d27842dead2cefdcbec8bde471bb60a88703079edce61165·...·]">)</span><span·class="p">.</span><span·class="w"> |
| 215 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="5780870979-3">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5780870979-4">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">name</span><span·class="p"·data-group-id="5780870979-5">{</span><span·class="p"·data-group-id="5780870979-5">}</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">phone</span><span·class="p"·data-group-id="5780870979-4">}</span><span·class="p"·data-group-id="5780870979-3">)</span><span·class="p">.</span><span·class="w"> | ||
| 216 | </span><span·class="nf">demo</span><span·class="p"·data-group-id=" | 216 | </span><span·class="nf">demo</span><span·class="p"·data-group-id="5780870979-6">(</span><span·class="p"·data-group-id="5780870979-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 217 | ··</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 217 | ··</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="5780870979-7">{</span><span·class="ss">name</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">name</span><span·class="p"·data-group-id="5780870979-8">{</span><span·class="ss">first</span><span·class="o">=</span>[·...·truncated·by·diffoscope;·len:·381,·SHA:·163da584c3e7c478ba1360c3cbc75e7ac5e6f36465b0ab4335ea53e397491840·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 218 | ··</span><span·class="n">First</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 218 | ··</span><span·class="n">First</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5780870979-9">(</span><span·class="n">P</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">name</span><span·class="p"·data-group-id="5780870979-9">)</span><span·class="o">#</span><span·class="ss">name</span><span·class="p">.</span><span·class="ss">first</span><span·class="p">.</span></code></pre><p>Here,·<code·class="inline">demo()</code>·evaluates·to·<code·class="inline">"Robert"</code>.</p><h2·id="a-longer-example"·class="section-heading"> |
| 219 | ··<a·href="#a-longer-example"·class="hover-link"> | 219 | ··<a·href="#a-longer-example"·class="hover-link"> |
| 220 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 220 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 221 | ··</a> | 221 | ··</a> |
| 222 | ··<span·class="text">A·Longer·Example</span> | 222 | ··<span·class="text">A·Longer·Example</span> |
| 223 | </h2> | 223 | </h2> |
| 224 | <p>Comments·are·embedded·in·the·following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·File:·person.hrl</span><span·class="w"> | 224 | <p>Comments·are·embedded·in·the·following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·File:·person.hrl</span><span·class="w"> |
| Offset 230, 48 lines modified | Offset 230, 48 lines modified | ||
| 230 | </span><span·class="c1">%%····name:··A·string·(default·is·undefined).</span><span·class="w"> | 230 | </span><span·class="c1">%%····name:··A·string·(default·is·undefined).</span><span·class="w"> |
| 231 | </span><span·class="c1">%%····age:···An·integer·(default·is·undefined).</span><span·class="w"> | 231 | </span><span·class="c1">%%····age:···An·integer·(default·is·undefined).</span><span·class="w"> |
| 232 | </span><span·class="c1">%%····phone:·A·list·of·integers·(default·is·[]).</span><span·class="w"> | 232 | </span><span·class="c1">%%····phone:·A·list·of·integers·(default·is·[]).</span><span·class="w"> |
| 233 | </span><span·class="c1">%%····dict:··A·dictionary·containing·various·information</span><span·class="w"> | 233 | </span><span·class="c1">%%····dict:··A·dictionary·containing·various·information</span><span·class="w"> |
| 234 | </span><span·class="c1">%%···········about·the·person.</span><span·class="w"> | 234 | </span><span·class="c1">%%···········about·the·person.</span><span·class="w"> |
| 235 | </span><span·class="c1">%%···········A·{Key,·Value}·list·(default·is·the·empty·list).</span><span·class="w"> | 235 | </span><span·class="c1">%%···········A·{Key,·Value}·list·(default·is·the·empty·list).</span><span·class="w"> |
| 236 | </span><span·class="c1">%%------------------------------------------------------------</span><span·class="w"> | 236 | </span><span·class="c1">%%------------------------------------------------------------</span><span·class="w"> |
| 237 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="75 | 237 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="4758159806-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4758159806-2">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">age</span>[·...·truncated·by·diffoscope;·len:·878,·SHA:·28fb66ce9199b17d2f28a0b0ded5d8837431400f53fa56146a10a612af80ee2c·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 238 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 238 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="3372764340-2">(</span><span·class="s">"person.hrl"</span><span·class="p"·data-group-id="3372764340-2">)</span><span·class="p">.</span><span·class="w"> |
| 239 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 239 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="3372764340-3">(</span><span·class="ss">export_all</span><span·class="p"·data-group-id="3372764340-3">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·For·test·purposes·only.</span><span·class="w"> |
| 240 | </span><span·class="c1">%%·This·creates·an·instance·of·a·person.</span><span·class="w"> | 240 | </span><span·class="c1">%%·This·creates·an·instance·of·a·person.</span><span·class="w"> |
| 241 | </span><span·class="c1">%%···Note:·The·phone·number·is·not·supplied·so·the</span><span·class="w"> | 241 | </span><span·class="c1">%%···Note:·The·phone·number·is·not·supplied·so·the</span><span·class="w"> |
| 242 | </span><span·class="c1">%%·········default·value·[]·will·be·used.</span><span·class="w"> | 242 | </span><span·class="c1">%%·········default·value·[]·will·be·used.</span><span·class="w"> |
| 243 | </span><span·class="nf">make_hacker_without_phone</span><span·class="p"·data-group-id=" | 243 | </span><span·class="nf">make_hacker_without_phone</span><span·class="p"·data-group-id="3372764340-4">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Age</span><span·class="p"·data-group-id="3372764340-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 244 | ···</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 244 | ···</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="3372764340-5">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">age</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Age</span><span·class="p">,</span><span·class="w"> |
| 245 | ···········</span><span·class="ss">dict</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 245 | ···········</span><span·class="ss">dict</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3372764340-6">[</span><span·class="p"·data-group-id="3372764340-7">{</span><span·class="ss">computer_knowledge</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">excellent</span><span·class="p"·data-group-id="3372764340-7">}</span><span·class="p">,</span><span·class="w"> |
| 246 | ···················</span><span·class="p"·data-group-id=" | 246 | ···················</span><span·class="p"·data-group-id="3372764340-8">{</span><span·class="ss">drinks</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">coke</span><span·class="p"·data-group-id="3372764340-8">}</span><span·class="p"·data-group-id="3372764340-6">]</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·5f55380122110ee8b2d57f02c191871d73f40db390ff92c2a228f044c8a190ed·...·]-5">}</span><span·class="p">.</span><span·class="w"> |
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| 163 | ······<p·class="built-using"> | 163 | ······<p·class="built-using"> |
| 164 | ········Built·using | 164 | ········Built·using |
| 165 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 165 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 166 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 166 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 167 | ······</p> | 167 | ······</p> |
| 168 | <p>Copyright·©·1996-202 | 168 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 169 | ····</footer> | 169 | ····</footer> |
| 170 | ··</div> | 170 | ··</div> |
| 171 | </main> | 171 | </main> |
| 172 | </div> | 172 | </div> |
| 173 | <script> | 173 | <script> |
| 174 | ··function·mermaidLoaded()·{ | 174 | ··function·mermaidLoaded()·{ |
| 175 | ····mermaid.initialize({ | 175 | ····mermaid.initialize({ |
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| 165 | ······<p·class="built-using"> | 165 | ······<p·class="built-using"> |
| 166 | ········Built·using | 166 | ········Built·using |
| 167 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 167 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 168 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 168 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 169 | ······</p> | 169 | ······</p> |
| 170 | <p>Copyright·©·1996-202 | 170 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 171 | ····</footer> | 171 | ····</footer> |
| 172 | ··</div> | 172 | ··</div> |
| 173 | </main> | 173 | </main> |
| 174 | </div> | 174 | </div> |
| 175 | <script> | 175 | <script> |
| 176 | ··function·mermaidLoaded()·{ | 176 | ··function·mermaidLoaded()·{ |
| 177 | ····mermaid.initialize({ | 177 | ····mermaid.initialize({ |
| Offset 124, 40 lines modified | Offset 124, 40 lines modified | ||
| 124 | </h2> | 124 | </h2> |
| 125 | <p>To·illustrate·this,·the·messenger·example·from·the·previous·section·is·divided | 125 | <p>To·illustrate·this,·the·messenger·example·from·the·previous·section·is·divided |
| 126 | into·the·following·five·files:</p><ul><li><p><code·class="inline">mess_config.hrl</code></p><p>Header·file·for·configuration·data</p></li><li><p><code·class="inline">mess_interface.hrl</code></p><p>Interface·definitions·between·the·client·and·the·messenger</p></li><li><p><code·class="inline">user_interface.erl</code></p><p>Functions·for·the·user·interface</p></li><li><p><code·class="inline">mess_client.erl</code></p><p>Functions·for·the·client·side·of·the·messenger</p></li><li><p><code·class="inline">mess_server.erl</code></p><p>Functions·for·the·server·side·of·the·messenger</p></li></ul><p>While·doing·this,·the·message·passing·interface·between·the·shell,·the·client, | 126 | into·the·following·five·files:</p><ul><li><p><code·class="inline">mess_config.hrl</code></p><p>Header·file·for·configuration·data</p></li><li><p><code·class="inline">mess_interface.hrl</code></p><p>Interface·definitions·between·the·client·and·the·messenger</p></li><li><p><code·class="inline">user_interface.erl</code></p><p>Functions·for·the·user·interface</p></li><li><p><code·class="inline">mess_client.erl</code></p><p>Functions·for·the·client·side·of·the·messenger</p></li><li><p><code·class="inline">mess_server.erl</code></p><p>Functions·for·the·server·side·of·the·messenger</p></li></ul><p>While·doing·this,·the·message·passing·interface·between·the·shell,·the·client, |
| 127 | and·the·server·is·cleaned·up·and·is·defined·using·<em>records</em>.·Also,·<em>macros</em>·are | 127 | and·the·server·is·cleaned·up·and·is·defined·using·<em>records</em>.·Also,·<em>macros</em>·are |
| 128 | introduced:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·mess_config.hrl----</span><span·class="w"> | 128 | introduced:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·mess_config.hrl----</span><span·class="w"> |
| 129 | </span><span·class="c1">%%%·Configure·the·location·of·the·server·node,</span><span·class="w"> | 129 | </span><span·class="c1">%%%·Configure·the·location·of·the·server·node,</span><span·class="w"> |
| 130 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 130 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="7102036632-1">(</span><span·class="ss">server_node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">messenger@super</span><span·class="p"·data-group-id="7102036632-1">)</span><span·class="p">.</span><span·class="w"> |
| 131 | </span><span·class="c1">%%%----END·FILE----</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·mess_interface.hrl----</span><span·class="w"> | 131 | </span><span·class="c1">%%%----END·FILE----</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·mess_interface.hrl----</span><span·class="w"> |
| 132 | </span><span·class="c1">%%%·Message·interface·between·client·and·server·and·client·shell·for</span><span·class="w"> | 132 | </span><span·class="c1">%%%·Message·interface·between·client·and·server·and·client·shell·for</span><span·class="w"> |
| 133 | </span><span·class="c1">%%%·messenger·program</span><span·class="w"> | 133 | </span><span·class="c1">%%%·messenger·program</span><span·class="w"> |
| 134 | </span><span·class="c1">%%%Messages·from·Client·to·server·received·in·server/1·function.</span><span·class="w"> | 134 | </span><span·class="c1">%%%Messages·from·Client·to·server·received·in·server/1·function.</span><span·class="w"> |
| 135 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 135 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="1962441282-1">(</span><span·class="ss">logon</span><span·class="p">,</span><span·class="p"·data-group-id="1962441282-2">{</span><span·class="ss">client_pid</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">username</span><span·class="p[·...·truncated·by·diffoscope;·len:·80,·SHA:·68830eb5f55f7e29ba26734e9df34ceffc4949e3c66feeeb0de1c0c843bd916b·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 136 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 136 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="1962441282-3">(</span><span·class="ss">message</span><span·class="p">,</span><span·class="p"·data-group-id="1962441282-4">{</span><span·class="ss">client_pid</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">to_name</span><span·class="[·...·truncated·by·diffoscope;·len:·160,·SHA:·3b17e3dc16c051b15cdffc549ddbf79abbf638b0271c0d524c0884dd5e3243ae·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 137 | </span><span·class="c1">%%%·{'EXIT',·ClientPid,·Reason}··(client·terminated·or·unreachable.</span><span·class="w"> | 137 | </span><span·class="c1">%%%·{'EXIT',·ClientPid,·Reason}··(client·terminated·or·unreachable.</span><span·class="w"> |
| 138 | </span><span·class="c1">%%%·Messages·from·Server·to·Client,·received·in·await_result/0·function</span><span·class="w"> | 138 | </span><span·class="c1">%%%·Messages·from·Server·to·Client,·received·in·await_result/0·function</span><span·class="w"> |
| 139 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 139 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="1962441282-5">(</span><span·class="ss">abort_client</span><span·class="p">,</span><span·class="p"·data-group-id="1962441282-6">{</span><span·class="ss">message</span><span·class="p"·data-group-id="1962441282-6">}</span><span·class="p"·data-group-id="196244[·...·truncated·by·diffoscope;·len:·4,·SHA:·3ac84a052226066874f36ca9dfddd1639db06447d2096a119ed31515dbd67505·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 140 | </span><span·class="c1">%%%·Messages·are:·user_exists_at_other_node,</span><span·class="w"> | 140 | </span><span·class="c1">%%%·Messages·are:·user_exists_at_other_node,</span><span·class="w"> |
| 141 | </span><span·class="c1">%%%···············you_are_not_logged_on</span><span·class="w"> | 141 | </span><span·class="c1">%%%···············you_are_not_logged_on</span><span·class="w"> |
| 142 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 142 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="1962441282-7">(</span><span·class="ss">server_reply</span><span·class="p">,</span><span·class="p"·data-group-id="1962441282-8">{</span><span·class="ss">message</span><span·class="p"·data-group-id="1962441282-8">}</span><span·class="p"·data-group-id="196244[·...·truncated·by·diffoscope;·len:·4,·SHA:·3ac84a052226066874f36ca9dfddd1639db06447d2096a119ed31515dbd67505·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 143 | </span><span·class="c1">%%%·Messages·are:·logged_on</span><span·class="w"> | 143 | </span><span·class="c1">%%%·Messages·are:·logged_on</span><span·class="w"> |
| 144 | </span><span·class="c1">%%%···············receiver_not_found</span><span·class="w"> | 144 | </span><span·class="c1">%%%···············receiver_not_found</span><span·class="w"> |
| 145 | </span><span·class="c1">%%%···············sent··(Message·has·been·sent·(no·guarantee)</span><span·class="w"> | 145 | </span><span·class="c1">%%%···············sent··(Message·has·been·sent·(no·guarantee)</span><span·class="w"> |
| 146 | </span><span·class="c1">%%%·Messages·from·Server·to·Client·received·in·client/1·function</span><span·class="w"> | 146 | </span><span·class="c1">%%%·Messages·from·Server·to·Client·received·in·client/1·function</span><span·class="w"> |
| 147 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 147 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="1962441282-9">(</span><span·class="ss">message_from</span><span·class="p">,</span><span·class="p"·data-group-id="1962441282-10">{</span><span·class="ss">from_name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">message</span><span·cl[·...·truncated·by·diffoscope;·len:·87,·SHA:·26d78f869e9ecbf5d7241c03e597c709d6539304e302b41ae722a253878dc43e·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="c1">%%%·Messages·from·shell·to·Client·received·in·client/1·function</span><span·class="w"> | 148 | </span><span·class="c1">%%%·Messages·from·shell·to·Client·received·in·client/1·function</span><span·class="w"> |
| 149 | </span><span·class="c1">%%%·spawn(mess_client,·client,·[server_node(),·Name])</span><span·class="w"> | 149 | </span><span·class="c1">%%%·spawn(mess_client,·client,·[server_node(),·Name])</span><span·class="w"> |
| 150 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 150 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="1962441282-11">(</span><span·class="ss">message_to</span><span·class="p">,</span><span·class="p"·data-group-id="1962441282-12">{</span><span·class="ss">to_name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">message</span><span·class[·...·truncated·by·diffoscope;·len:·84,·SHA:·8c63d0ccf57ab3ef34858be45f9954618658d902f4dc50444ade3267225eac5a·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="c1">%%%·logoff</span><span·class="w"> | 151 | </span><span·class="c1">%%%·logoff</span><span·class="w"> |
| 152 | </span><span·class="c1">%%%----END·FILE----</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·user_interface.erl----</span><span·class="w"> | 152 | </span><span·class="c1">%%%----END·FILE----</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·user_interface.erl----</span><span·class="w"> |
| 153 | </span><span·class="c1">%%%·User·interface·to·the·messenger·program</span><span·class="w"> | 153 | </span><span·class="c1">%%%·User·interface·to·the·messenger·program</span><span·class="w"> |
| 154 | </span><span·class="c1">%%%·login(Name)</span><span·class="w"> | 154 | </span><span·class="c1">%%%·login(Name)</span><span·class="w"> |
| 155 | </span><span·class="c1">%%%·····One·user·at·a·time·can·log·in·from·each·Erlang·node·in·the</span><span·class="w"> | 155 | </span><span·class="c1">%%%·····One·user·at·a·time·can·log·in·from·each·Erlang·node·in·the</span><span·class="w"> |
| Offset 170, 177 lines modified | Offset 170, 177 lines modified | ||
| 170 | </span><span·class="c1">%%%·····Logs·off·anybody·at·that·node</span><span·class="w"> | 170 | </span><span·class="c1">%%%·····Logs·off·anybody·at·that·node</span><span·class="w"> |
| 171 | </span><span·class="c1">%%%·message(ToName,·Message)</span><span·class="w"> | 171 | </span><span·class="c1">%%%·message(ToName,·Message)</span><span·class="w"> |
| 172 | </span><span·class="c1">%%%·····sends·Message·to·ToName.·Error·messages·if·the·user·of·this</span><span·class="w"> | 172 | </span><span·class="c1">%%%·····sends·Message·to·ToName.·Error·messages·if·the·user·of·this</span><span·class="w"> |
| 173 | </span><span·class="c1">%%%·····function·is·not·logged·on·or·if·ToName·is·not·logged·on·at</span><span·class="w"> | 173 | </span><span·class="c1">%%%·····function·is·not·logged·on·or·if·ToName·is·not·logged·on·at</span><span·class="w"> |
| 174 | </span><span·class="c1">%%%·····any·node.</span><span·class="w"> | 174 | </span><span·class="c1">%%%·····any·node.</span><span·class="w"> |
| 175 | </span><span·class="w"> | 175 | </span><span·class="w"> |
| 176 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 176 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="9740079608-1">(</span><span·class="ss">user_interface</span><span·class="p"·data-group-id="9740079608-1">)</span><span·class="p">.</span><span·class="w"> |
| 177 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 177 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="9740079608-2">(</span><span·class="p"·data-group-id="9740079608-3">[</span><span·class="ss">logon</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logoff</span><span·class="p">/</span><[·...·truncated·by·diffoscope;·len:·246,·SHA:·3941df4ff49b2b23191e3bbf564fce8d85a8c7fbc3b6e730b130997d067f2df9·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 178 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 178 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="9740079608-4">(</span><span·class="s">"mess_interface.hrl"</span><span·class="p"·data-group-id="9740079608-4">)</span><span·class="p">.</span><span·class="w"> |
| 179 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 179 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="9740079608-5">(</span><span·class="s">"mess_config.hrl"</span><span·class="p"·data-group-id="9740079608-5">)</span><span·class="p">.</span><span·class="w"> |
| 180 | </span><span·class="nf">logon</span><span·class="p"·data-group-id=" | 180 | </span><span·class="nf">logon</span><span·class="p"·data-group-id="9740079608-6">(</span><span·class="n">Name</span><span·class="p"·data-group-id="9740079608-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 181 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">whereis</span><span·class="p"·data-group-id=" | 181 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">whereis</span><span·class="p"·data-group-id="9740079608-7">(</span><span·class="ss">mess_client</span><span·class="p"·data-group-id="9740079608-7">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 182 | ········</span><span·class="ss">undefined</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 182 | ········</span><span·class="ss">undefined</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 183 | ············</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 183 | ············</span><span·class="nf">register</span><span·class="p"·data-group-id="9740079608-8">(</span><span·class="ss">mess_client</span><span·class="p">,</span><span·class="w"> |
| 184 | ·····················</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 184 | ·····················</span><span·class="nf">spawn</span><span·class="p"·data-group-id="9740079608-9">(</span><span·class="ss">mess_client</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">client</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9740079608-10">[</span><span·class="o">?</[·...·truncated·by·diffoscope;·len:·263,·SHA:·26552bde83e938dfe28656ef7bcded6264ccf14c05700f05d9db3026c7a6887b·...·]-8">)</span><span·class="p">;</span><span·class="w"> |
| 185 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">already_logged_on</span><span·class="w"> | 185 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">already_logged_on</span><span·class="w"> |
| 186 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 186 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 187 | </span><span·class="nf">logoff</span><span·class="p"·data-group-id=" | 187 | </span><span·class="nf">logoff</span><span·class="p"·data-group-id="9740079608-11">(</span><span·class="p"·data-group-id="9740079608-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 188 | ····</span><span·class="ss">mess_client</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">logoff</span><span·class="p">.</span><span·class="w"> | 188 | ····</span><span·class="ss">mess_client</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">logoff</span><span·class="p">.</span><span·class="w"> |
| 189 | </span><span·class="nf">message</span><span·class="p"·data-group-id=" | 189 | </span><span·class="nf">message</span><span·class="p"·data-group-id="9740079608-12">(</span><span·class="n">ToName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Message</span><span·class="p"·data-group-id="9740079608-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 190 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">whereis</span><span·class="p"·data-group-id=" | 190 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">whereis</span><span·class="p"·data-group-id="9740079608-13">(</span><span·class="ss">mess_client</span><span·class="p"·data-group-id="9740079608-13">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="c1">%·Test·if·the·client·is·running</span><span·class="w"> |
| 191 | ········</span><span·class="ss">undefined</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 191 | ········</span><span·class="ss">undefined</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 192 | ············</span><span·class="ss">not_logged_on</span><span·class="p">;</span><span·class="w"> | 192 | ············</span><span·class="ss">not_logged_on</span><span·class="p">;</span><span·class="w"> |
| 193 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">mess_client</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">message_to</span><span·class="p"·data-group-id=" | 193 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">mess_client</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">message_to</span><span·class="p"·data-group-id="9740079608-14">{</span><span·class="ss">to_name</span><span·class="o">=</span><span·class="n">ToName</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">message</span><span·class="o">=</span><span·class="n">Message</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·25,·SHA:·96aeda73eba5e62871fcce5a093c647fb51fdd2b63e6a1cdc3ea0251300e5899·...·]-14">}</span><span·class="p">,</span><span·class="w"> |
| 194 | ·············</span><span·class="ss">ok</span><span·class="w"> | 194 | ·············</span><span·class="ss">ok</span><span·class="w"> |
| 195 | </span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 195 | </span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 196 | </span><span·class="c1">%%%----END·FILE----</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·mess_client.erl----</span><span·class="w"> | 196 | </span><span·class="c1">%%%----END·FILE----</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·mess_client.erl----</span><span·class="w"> |
| 197 | </span><span·class="c1">%%%·The·client·process·which·runs·on·each·user·node</span><span·class="w"> | 197 | </span><span·class="c1">%%%·The·client·process·which·runs·on·each·user·node</span><span·class="w"> |
| 198 | </span><span·class="w"> | 198 | </span><span·class="w"> |
| 199 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 199 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="5111921786-1">(</span><span·class="ss">mess_client</span><span·class="p"·data-group-id="5111921786-1">)</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 200 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5111921786-2">(</span><span·class="p"·data-group-id="5111921786-3">[</span><span·class="ss">client</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id="5111921786-3">]</span><span·class="p"·data-group-id="5111921786-2">)</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 201 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="5111921786-4">(</span><span·class="s">"mess_interface.hrl"</span><span·class="p"·data-group-id="5111921786-4">)</span><span·class="p">.</span><span·class="w"> |
| 202 | </span><span·class="nf">client</span><span·class="p"·data-group-id=" | 202 | </span><span·class="nf">client</span><span·class="p"·data-group-id="5111921786-5">(</span><span·class="n">Server_Node</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p"·data-group-id="5111921786-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 203 | ····</span><span·class="p"·data-group-id=" | 203 | ····</span><span·class="p"·data-group-id="5111921786-6">{</span><span·class="ss">messenger</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Server_Node</span><span·class="p"·data-group-id="5111921786-6">}</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·476,·SHA:·65fc2198279c3596982047501727961860e36c5a729ab6d2874d1a6e8ed73a40·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 204 | ····</span><span·class="nf">await_result</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="nf">await_result</span><span·class="p"·data-group-id="5111921786-9">(</span><span·class="p"·data-group-id="5111921786-9">)</span><span·class="p">,</span><span·class="w"> |
| 205 | ····</span><span·class="nf">client</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="nf">client</span><span·class="p"·data-group-id="5111921786-10">(</span><span·class="n">Server_Node</span><span·class="p"·data-group-id="5111921786-10">)</span><span·class="p">.</span><span·class="w"> |
| 206 | </span><span·class="nf">client</span><span·class="p"·data-group-id=" | 206 | </span><span·class="nf">client</span><span·class="p"·data-group-id="5111921786-11">(</span><span·class="n">Server_Node</span><span·class="p"·data-group-id="5111921786-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 207 | ····</span><span·class="k">receive</span><span·class="w"> | 207 | ····</span><span·class="k">receive</span><span·class="w"> |
| 208 | ········</span><span·class="ss">logoff</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 208 | ········</span><span·class="ss">logoff</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 209 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 209 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id="5111921786-12">(</span><span·class="ss">normal</span><span·class="p"·data-group-id="5111921786-12">)</span><span·class="p">;</span><span·class="w"> |
| 210 | ········</span><span·class="o">#</span><span·class="ss">message_to</span><span·class="p"·data-group-id=" | 210 | ········</span><span·class="o">#</span><span·class="ss">message_to</span><span·class="p"·data-group-id="5111921786-13">{</span><span·class="ss">to_name</span><span·class="o">=</span><span·class="n">ToName</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">message</span><span·class="o">=</span><span·class="n">Message</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·25,·SHA:·1c87fdd7ded275a268c62449488be31c6a04587fc5bc698f35dc072e1c77f9e9·...·]-13">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 211 | ············</span><span·class="p"·data-group-id=" | 211 | ············</span><span·class="p"·data-group-id="5111921786-14">{</span><span·class="ss">messenger</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Server_Node</span><span·class="p"·data-group-id="5111921786-14">}</span><span·class="w">·</span><span·class="o">!</span><span·class="w"> |
| 212 | ················</span><span·class="o">#</span><span·class="ss">message</span><span·class="p"·data-group-id=" | 212 | ················</span><span·class="o">#</span><span·class="ss">message</span><span·class="p"·data-group-id="5111921786-15">{</span><span·class="ss">client_pid</span><span·class="o">=</span><span·class="nf">self</span><span·class="p"·data-group-id="5111921786-16">(</span><span·class="p"·data-group-id="5111921786-16">)</span><span·class="p">,</span><span·class="w"[·...·truncated·by·diffoscope;·len:·267,·SHA:·fb0e25fb537c91319c6b01c04acde9708b40e0c17f2f289367a552d99bf510cc·...·]-15">}</span><span·class="p">,</span><span·class="w"> |
| 213 | ············</span><span·class="nf">await_result</span><span·class="p"·data-group-id=" | 213 | ············</span><span·class="nf">await_result</span><span·class="p"·data-group-id="5111921786-17">(</span><span·class="p"·data-group-id="5111921786-17">)</span><span·class="p">;</span><span·class="w"> |
| 214 | ········</span><span·class="p"·data-group-id=" | 214 | ········</span><span·class="p"·data-group-id="5111921786-18">{</span><span·class="ss">message_from</span><span·class="p">,</span><span·class="w">·</span><span·class="n">FromName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Message</span><span·class="p"·data-group-id="511192178[·...·truncated·by·diffoscope;·len:·1,·SHA:·e7f6c011776e8db7cd330b54174fd76f7d0216b612387a5ffcfb81e6f0919683·...·]-18">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 215 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 215 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5111921786-19">(</span><span·class="s">"Message·from·</span><span·class="si">~p</span><span·class="s">:·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·247,·SHA:·fe7b04542209b49fadc087e1e7aa5954599bd600018691155326c541223a89fa·...·]-19">)</span><span·class="w"> |
| 216 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 216 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 217 | ····</span><span·class="nf">client</span><span·class="p"·data-group-id=" | 217 | ····</span><span·class="nf">client</span><span·class="p"·data-group-id="5111921786-21">(</span><span·class="n">Server_Node</span><span·class="p"·data-group-id="5111921786-21">)</span><span·class="p">.</span><span·class="w"> |
| 218 | </span><span·class="c1">%%%·wait·for·a·response·from·the·server</span><span·class="w"> | 218 | </span><span·class="c1">%%%·wait·for·a·response·from·the·server</span><span·class="w"> |
| 219 | </span><span·class="nf">await_result</span><span·class="p"·data-group-id=" | 219 | </span><span·class="nf">await_result</span><span·class="p"·data-group-id="5111921786-22">(</span><span·class="p"·data-group-id="5111921786-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | ····</span><span·class="k">receive</span><span·class="w"> | 220 | ····</span><span·class="k">receive</span><span·class="w"> |
| 221 | ········</span><span·class="o">#</span><span·class="ss">abort_client</span><span·class="p"·data-group-id=" | 221 | ········</span><span·class="o">#</span><span·class="ss">abort_client</span><span·class="p"·data-group-id="5111921786-23">{</span><span·class="ss">message</span><span·class="o">=</span><span·class="n">Why</span><span·class="p"·data-group-id="5111921786-23">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 222 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 222 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5111921786-24">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5111921786-25">[</span><span·class="n">Why</[·...·truncated·by·diffoscope;·len:·100,·SHA:·48409120741ede8d85a0fcd98d9d5f6667179289eccd524a58c0c92bed167ef1·...·]-24">)</span><span·class="p">,</span><span·class="w"> |
| 223 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 223 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id="5111921786-26">(</span><span·class="ss">normal</span><span·class="p"·data-group-id="5111921786-26">)</span><span·class="p">;</span><span·class="w"> |
| 224 | ········</span><span·class="o">#</span><span·class="ss">server_reply</span><span·class="p"·data-group-id=" | 224 | ········</span><span·class="o">#</span><span·class="ss">server_reply</span><span·class="p"·data-group-id="5111921786-27">{</span><span·class="ss">message</span><span·class="o">=</span><span·class="n">What</span><span·class="p"·data-group-id="5111921786-27">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 225 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 225 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5111921786-28">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5111921786-29">[</span><span·class="n">What<[·...·truncated·by·diffoscope;·len:·101,·SHA:·e26778d7bcf661f7e80b7687bd897185afadf49081951f9155eff54e71fbe6ee·...·]-28">)</span><span·class="w"> |
| 226 | ····</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 226 | ····</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 227 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 227 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5111921786-30">(</span><span·class="s">"No·response·from·server</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5111921786-31">[</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·71,·SHA:·d120f217583dfd27a339f264664dc66c43f00c7f410e5fb9ae50389dceadb086·...·]-30">)</span><span·class="p">,</span><span·class="w"> |
| 228 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 228 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id="5111921786-32">(</span><span·class="ss">timeout</span><span·class="p"·data-group-id="5111921786-32">)</span><span·class="w"> |
| 229 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 229 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 230 | </span><span·class="c1">%%%----END·FILE---</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·mess_server.erl----</span><span·class="w"> | 230 | </span><span·class="c1">%%%----END·FILE---</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%----FILE·mess_server.erl----</span><span·class="w"> |
| 231 | </span><span·class="c1">%%%·This·is·the·server·process·of·the·messenger·service</span><span·class="w"> | 231 | </span><span·class="c1">%%%·This·is·the·server·process·of·the·messenger·service</span><span·class="w"> |
| 232 | </span><span·class="w"> | 232 | </span><span·class="w"> |
| 233 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 233 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1662915189-1">(</span><span·class="ss">mess_server</span><span·class="p"·data-group-id="1662915189-1">)</span><span·class="p">.</span><span·class="w"> |
| 234 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 234 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1662915189-2">(</span><span·class="p"·data-group-id="1662915189-3">[</span><span·class="ss">start_server</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">server</span><span·class="p">/<[·...·truncated·by·diffoscope;·len:·125,·SHA:·b076b802c3855e17010ab7250912c21501996decc47490cf07b601d5c93908ea·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 235 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 235 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="1662915189-4">(</span><span·class="s">"mess_interface.hrl"</span><span·class="p"·data-group-id="1662915189-4">)</span><span·class="p">.</span><span·class="w"> |
| 236 | </span><span·class="nf">server</span><span·class="p"·data-group-id=" | 236 | </span><span·class="nf">server</span><span·class="p"·data-group-id="1662915189-5">(</span><span·class="p"·data-group-id="1662915189-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 237 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id=" | 237 | ····</span><span·class="nf">process_flag</span><span·class="p"·data-group-id="1662915189-6">(</span><span·class="ss">trap_exit</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="1662915189-6">)</span><span·class="p">,</span><span·class="w"> |
| 238 | ····</span><span·class="nf">server</span><span·class="p"·data-group-id=" | 238 | ····</span><span·class="nf">server</span><span·class="p"·data-group-id="1662915189-7">(</span><span·class="p"·data-group-id="1662915189-8">[</span><span·class="p"·data-group-id="1662915189-8">]</span><span·class="p"·data-group-id="1662915189-7">)</span><span·class="p">.</span><span·class="w"> |
| 239 | </span><span·class="c1">%%%·the·user·list·has·the·format·[{ClientPid1,·Name1},{ClientPid22,·Name2},...]</span><span·class="w"> | 239 | </span><span·class="c1">%%%·the·user·list·has·the·format·[{ClientPid1,·Name1},{ClientPid22,·Name2},...]</span><span·class="w"> |
| 240 | </span><span·class="nf">server</span><span·class="p"·data-group-id=" | 240 | </span><span·class="nf">server</span><span·class="p"·data-group-id="1662915189-9">(</span><span·class="n">User_List</span><span·class="p"·data-group-id="1662915189-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 241 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 241 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="1662915189-10">(</span><span·class="s">"User·list·=·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1662915189-11">[</span><span·cla[·...·truncated·by·diffoscope;·len:·118,·SHA:·b9bdc8797740fc24cedb8514f8e0a006b43011d2896fa032bb3ee0041bda3cfa·...·]-10">)</span><span·class="p">,</span><span·class="w"> |
| 242 | ····</span><span·class="k">receive</span><span·class="w"> | 242 | ····</span><span·class="k">receive</span><span·class="w"> |
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| 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 120 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 121 | ··</a> | 121 | ··</a> |
| 122 | ··<span·class="text">Function·Declaration·Syntax</span> | 122 | ··<span·class="text">Function·Declaration·Syntax</span> |
| 123 | </h2> | 123 | </h2> |
| 124 | <p>A·<em>function·declaration</em>·is·a·sequence·of·function·clauses·separated·by | 124 | <p>A·<em>function·declaration</em>·is·a·sequence·of·function·clauses·separated·by |
| 125 | semicolons,·and·terminated·by·a·period·(<code·class="inline">.</code>).</p><p>A·<em>function·clause</em>·consists·of·a·<em>clause·head</em>·and·a·<em>clause·body</em>,·separated·by | 125 | semicolons,·and·terminated·by·a·period·(<code·class="inline">.</code>).</p><p>A·<em>function·clause</em>·consists·of·a·<em>clause·head</em>·and·a·<em>clause·body</em>,·separated·by |
| 126 | <code·class="inline">-></code>.</p><p>A·clause·<em>head</em>·consists·of·the·function·name,·an·argument·list,·and·an·optional | 126 | <code·class="inline">-></code>.</p><p>A·clause·<em>head</em>·consists·of·the·function·name,·an·argument·list,·and·an·optional |
| 127 | guard·sequence·beginning·with·the·keyword·<code·class="inline">when</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Name</span><span·class="p"·data-group-id=" | 127 | guard·sequence·beginning·with·the·keyword·<code·class="inline">when</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Name</span><span·class="p"·data-group-id="1486793038-1">(</span><span·class="n">Pattern11</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="n">Pattern1N</span><span·class="p"·data-group-id="1486793038-1">)</sp[·...·truncated·by·diffoscope;·len:·203,·SHA:·3ec70810171996c4b3d9a49654ed46fba0ea21e9e47e16c77a2e5042332906e9·...·]8-2">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 128 | ····</span><span·class="n">Body1</span><span·class="p">;</span><span·class="w"> | 128 | ····</span><span·class="n">Body1</span><span·class="p">;</span><span·class="w"> |
| 129 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">;</span><span·class="w"> | 129 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">;</span><span·class="w"> |
| 130 | </span><span·class="n">Name</span><span·class="p"·data-group-id=" | 130 | </span><span·class="n">Name</span><span·class="p"·data-group-id="1486793038-3">(</span><span·class="n">PatternK1</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="n">PatternKN</span><span·class="p"·data-group-id="1486793038-3">)</sp[·...·truncated·by·diffoscope;·len:·203,·SHA:·41f7a872af43a8ac3af9b3bbf5d4eb42c235a858d7823b79a06d45dc0b0ed844·...·]8-4">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 131 | ····</span><span·class="n">BodyK</span><span·class="p">.</span></code></pre><p>The·function·name·is·an·atom.·Each·argument·is·a·pattern.</p><p>The·number·of·arguments·<code·class="inline">N</code>·is·the·<em>arity</em>·of·the·function.·A·function·is | 131 | ····</span><span·class="n">BodyK</span><span·class="p">.</span></code></pre><p>The·function·name·is·an·atom.·Each·argument·is·a·pattern.</p><p>The·number·of·arguments·<code·class="inline">N</code>·is·the·<em>arity</em>·of·the·function.·A·function·is |
| 132 | uniquely·defined·by·the·module·name,·function·name,·and·arity.·That·is,·two | 132 | uniquely·defined·by·the·module·name,·function·name,·and·arity.·That·is,·two |
| 133 | functions·with·the·same·name·and·in·the·same·module,·but·with·different·arities | 133 | functions·with·the·same·name·and·in·the·same·module,·but·with·different·arities |
| 134 | are·two·different·functions.</p><p>A·function·named·<code·class="inline">f</code>·in·module·<code·class="inline">mod</code>·and·with·arity·<code·class="inline">N</code>·is·often·denoted·as | 134 | are·two·different·functions.</p><p>A·function·named·<code·class="inline">f</code>·in·module·<code·class="inline">mod</code>·and·with·arity·<code·class="inline">N</code>·is·often·denoted·as |
| 135 | <code·class="inline">mod:f/N</code>.</p><p>A·clause·<em>body</em>·consists·of·a·sequence·of·expressions·separated·by·comma·(<code·class="inline">,</code>):</p><pre><code·class="text">Expr1, | 135 | <code·class="inline">mod:f/N</code>.</p><p>A·clause·<em>body</em>·consists·of·a·sequence·of·expressions·separated·by·comma·(<code·class="inline">,</code>):</p><pre><code·class="text">Expr1, |
| 136 | ..., | 136 | ..., |
| 137 | ExprN</code></pre><p>Valid·Erlang·expressions·and·guard·sequences·are·described·in | 137 | ExprN</code></pre><p>Valid·Erlang·expressions·and·guard·sequences·are·described·in |
| 138 | <a·href="expressions.html">Expressions</a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fact</span><span·class="p"·data-group-id=" | 138 | <a·href="expressions.html">Expressions</a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fact</span><span·class="p"·data-group-id="7633932149-1">(</span><span·class="n">N</span><span·class="p"·data-group-id="7633932149-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w">··</span><span·class="c1">%·first·clause·head</span><span·class="w"> |
| 139 | ····</span><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 139 | ····</span><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id="7633932149-2">(</span><span·class="n">N</span><span·class="o">-</span><span·class="mi">1</span><span·class="p"·data-group-id="7633932149-2">)</span><span·class="p">;</span><span·class="w">·····</span><span·class="c1">%·first·clause·body</span><span·class="w"> |
| 140 | </span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 140 | </span><span·class="nf">fact</span><span·class="p"·data-group-id="7633932149-3">(</span><span·class="mi">0</span><span·class="p"·data-group-id="7633932149-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·············</span><span·class="c1">%·second·clause·head</span><span·class="w"> |
| 141 | ····</span><span·class="mi">1</span><span·class="p">.</span><span·class="w">·················</span><span·class="c1">%·second·clause·body</span></code></pre><p><a·href=""·id="eval"></a></p><h2·id="function-evaluation"·class="section-heading"> | 141 | ····</span><span·class="mi">1</span><span·class="p">.</span><span·class="w">·················</span><span·class="c1">%·second·clause·body</span></code></pre><p><a·href=""·id="eval"></a></p><h2·id="function-evaluation"·class="section-heading"> |
| 142 | ··<a·href="#function-evaluation"·class="hover-link"> | 142 | ··<a·href="#function-evaluation"·class="hover-link"> |
| 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 144 | ··</a> | 144 | ··</a> |
| 145 | ··<span·class="text">Function·Evaluation</span> | 145 | ··<span·class="text">Function·Evaluation</span> |
| 146 | </h2> | 146 | </h2> |
| 147 | <p>When·a·function·<code·class="inline">M:F/N</code>·is·called,·first·the·code·for·the·function·is·located. | 147 | <p>When·a·function·<code·class="inline">M:F/N</code>·is·called,·first·the·code·for·the·function·is·located. |
| 148 | If·the·function·cannot·be·found,·an·<code·class="inline">undef</code>·runtime·error·occurs.·Notice·that | 148 | If·the·function·cannot·be·found,·an·<code·class="inline">undef</code>·runtime·error·occurs.·Notice·that |
| 149 | the·function·must·be·exported·to·be·visible·outside·the·module·it·is·defined·in.</p><p>If·the·function·is·found,·the·function·clauses·are·scanned·sequentially·until·a | 149 | the·function·must·be·exported·to·be·visible·outside·the·module·it·is·defined·in.</p><p>If·the·function·is·found,·the·function·clauses·are·scanned·sequentially·until·a |
| 150 | clause·is·found·that·fulfills·both·of·the·following·two·conditions:</p><ol><li>The·patterns·in·the·clause·head·can·be·successfully·matched·against·the·given | 150 | clause·is·found·that·fulfills·both·of·the·following·two·conditions:</p><ol><li>The·patterns·in·the·clause·head·can·be·successfully·matched·against·the·given |
| 151 | arguments.</li><li>The·guard·sequence,·if·any,·is·true.</li></ol><p>If·such·a·clause·cannot·be·found,·a·<code·class="inline">function_clause</code>·runtime·error·occurs.</p><p>If·such·a·clause·is·found,·the·corresponding·clause·body·is·evaluated.·That·is, | 151 | arguments.</li><li>The·guard·sequence,·if·any,·is·true.</li></ol><p>If·such·a·clause·cannot·be·found,·a·<code·class="inline">function_clause</code>·runtime·error·occurs.</p><p>If·such·a·clause·is·found,·the·corresponding·clause·body·is·evaluated.·That·is, |
| 152 | the·expressions·in·the·body·are·evaluated·sequentially·and·the·value·of·the·last | 152 | the·expressions·in·the·body·are·evaluated·sequentially·and·the·value·of·the·last |
| 153 | expression·is·returned.</p><p>Consider·the·function·<code·class="inline">fact</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 153 | expression·is·returned.</p><p>Consider·the·function·<code·class="inline">fact</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="3374612113-1">(</span><span·class="ss">mod</span><span·class="p"·data-group-id="3374612113-1">)</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 154 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="3374612113-2">(</span><span·class="p"·data-group-id="3374612113-3">[</span><span·class="ss">fact</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="3374612113-3">]</span><span·class="p"·data-group-id="3374612113-2">)</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 155 | </span><span·class="nf">fact</span><span·class="p"·data-group-id="3374612113-4">(</span><span·class="n">N</span><span·class="p"·data-group-id="3374612113-4">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 156 | ····</span><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 156 | ····</span><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id="3374612113-5">(</span><span·class="n">N</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="3374612113-5">)</span><span·class="p">;</span><span·class="w"> |
| 157 | </span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nf">fact</span><span·class="p"·data-group-id="3374612113-6">(</span><span·class="mi">0</span><span·class="p"·data-group-id="3374612113-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ····</span><span·class="mi">1</span><span·class="p">.</span></code></pre><p>Assume·that·you·want·to·calculate·the·factorial·for·1:</p><pre><code·class="text">1>·mod:fact(1).</code></pre><p>Evaluation·starts·at·the·first·clause.·The·pattern·<code·class="inline">N</code>·is·matched·against | 158 | ····</span><span·class="mi">1</span><span·class="p">.</span></code></pre><p>Assume·that·you·want·to·calculate·the·factorial·for·1:</p><pre><code·class="text">1>·mod:fact(1).</code></pre><p>Evaluation·starts·at·the·first·clause.·The·pattern·<code·class="inline">N</code>·is·matched·against |
| 159 | argument·1.·The·matching·succeeds·and·the·guard·(<code·class="inline">N·>·0</code>)·is·true,·thus·<code·class="inline">N</code>·is | 159 | argument·1.·The·matching·succeeds·and·the·guard·(<code·class="inline">N·>·0</code>)·is·true,·thus·<code·class="inline">N</code>·is |
| 160 | bound·to·1,·and·the·corresponding·body·is·evaluated:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 160 | bound·to·1,·and·the·corresponding·body·is·evaluated:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id="9182701498-1">(</span><span·class="n">N</span><span·class="o">-</span><span·class="mi">1</span><span·class="p"·data-group-id="9182701498-1">)</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="9[·...·truncated·by·diffoscope;·len:·288,·SHA:·6c0d74a21e0b032cd86103dfa06d20595be5dde466c3a9354230f35acb3fbed5·...·]-2">)</span><span·class="w"> |
| 161 | </span><span·class="mi">1</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id=" | 161 | </span><span·class="mi">1</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fact</span><span·class="p"·data-group-id="9182701498-3">(</span><span·class="mi">0</span><span·class="p"·data-group-id="9182701498-3">)</span></code></pre><p>Now,·<code·class="inline">fact(0)</code>·is·called,·and·the·function·clauses·are·scanned |
| 162 | sequentially·again.·First,·the·pattern·<code·class="inline">N</code>·is·matched·against·0.·The | 162 | sequentially·again.·First,·the·pattern·<code·class="inline">N</code>·is·matched·against·0.·The |
| 163 | matching·succeeds,·but·the·guard·(<code·class="inline">N·>·0</code>)·is·false.·Second,·the | 163 | matching·succeeds,·but·the·guard·(<code·class="inline">N·>·0</code>)·is·false.·Second,·the |
| 164 | pattern·<code·class="inline">0</code>·is·matched·against·the·argument·<code·class="inline">0</code>.·The·matching·succeeds | 164 | pattern·<code·class="inline">0</code>·is·matched·against·the·argument·<code·class="inline">0</code>.·The·matching·succeeds |
| 165 | and·the·body·is·evaluated:</p><pre><code·class="text">1·*·fact(0)·=> | 165 | and·the·body·is·evaluated:</p><pre><code·class="text">1·*·fact(0)·=> |
| 166 | 1·*·1·=> | 166 | 1·*·1·=> |
| 167 | 1</code></pre><p>Evaluation·has·succeed·and·<code·class="inline">mod:fact(1)</code>·returns·1.</p><p>If·<code·class="inline">mod:fact/1</code>·is·called·with·a·negative·number·as·argument,·no·clause·head | 167 | 1</code></pre><p>Evaluation·has·succeed·and·<code·class="inline">mod:fact(1)</code>·returns·1.</p><p>If·<code·class="inline">mod:fact/1</code>·is·called·with·a·negative·number·as·argument,·no·clause·head |
| 168 | matches.·A·<code·class="inline">function_clause</code>·runtime·error·occurs.</p><h2·id="tail-recursion"·class="section-heading"> | 168 | matches.·A·<code·class="inline">function_clause</code>·runtime·error·occurs.</p><h2·id="tail-recursion"·class="section-heading"> |
| Offset 173, 17 lines modified | Offset 173, 17 lines modified | ||
| 173 | ··</a> | 173 | ··</a> |
| 174 | ··<span·class="text">Tail·recursion</span> | 174 | ··<span·class="text">Tail·recursion</span> |
| 175 | </h2> | 175 | </h2> |
| 176 | <p>If·the·last·expression·of·a·function·body·is·a·function·call,·a | 176 | <p>If·the·last·expression·of·a·function·body·is·a·function·call,·a |
| 177 | <em>tail-recursive·call</em>·is·done.·This·is·to·ensure·that·no·system | 177 | <em>tail-recursive·call</em>·is·done.·This·is·to·ensure·that·no·system |
| 178 | resources,·for·example,·call·stack,·are·consumed.·This·means·that·an | 178 | resources,·for·example,·call·stack,·are·consumed.·This·means·that·an |
| 179 | infinite·loop·using·tail-recursive·calls·will·not·exhaust·the·call | 179 | infinite·loop·using·tail-recursive·calls·will·not·exhaust·the·call |
| 180 | stack·and·can·(in·principle)·run·forever.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id=" | 180 | stack·and·can·(in·principle)·run·forever.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id="3261365214-1">(</span><span·class="n">N</span><span·class="p"·data-group-id="3261365214-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 181 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 181 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3261365214-2">(</span><span·class="s">"</span><span·class="si">~w</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3261365214-3">[</span><span·class="n">N</span[·...·truncated·by·diffoscope;·len:·93,·SHA:·58e62455ab94ab11d4209a27b7a24d99498f991c50f9e8b05e067f5d4f2a88d2·...·]14-2">)</span><span·class="p">,</span><span·class="w"> |
| 182 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 182 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="3261365214-4">(</span><span·class="n">N</span><span·class="o">+</span><span·class="mi">1</span><span·class="p"·data-group-id="3261365214-4">)</span><span·class="p">.</span></code></pre><p>The·earlier·factorial·example·is·a·counter-example.·It·is·not |
| 183 | tail-recursive,·since·a·multiplication·is·done·on·the·result·of·the·recursive | 183 | tail-recursive,·since·a·multiplication·is·done·on·the·result·of·the·recursive |
| 184 | call·to·<code·class="inline">fact(N-1)</code>.</p><h2·id="built-in-functions-bifs"·class="section-heading"> | 184 | call·to·<code·class="inline">fact(N-1)</code>.</p><h2·id="built-in-functions-bifs"·class="section-heading"> |
| 185 | ··<a·href="#built-in-functions-bifs"·class="hover-link"> | 185 | ··<a·href="#built-in-functions-bifs"·class="hover-link"> |
| 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 187 | ··</a> | 187 | ··</a> |
| 188 | ··<span·class="text">Built-In·Functions·(BIFs)</span> | 188 | ··<span·class="text">Built-In·Functions·(BIFs)</span> |
| 189 | </h2> | 189 | </h2> |
| Offset 191, 17 lines modified | Offset 191, 17 lines modified | ||
| 191 | system.·BIFs·do·things·that·are·difficult·or·impossible·to·implement | 191 | system.·BIFs·do·things·that·are·difficult·or·impossible·to·implement |
| 192 | in·Erlang.·Most·of·the·BIFs·belong·to·module·<a·href="../../erts-15.2.3/doc/html/erlang.html"><code·class="inline">erlang</code></a>,·but·there | 192 | in·Erlang.·Most·of·the·BIFs·belong·to·module·<a·href="../../erts-15.2.3/doc/html/erlang.html"><code·class="inline">erlang</code></a>,·but·there |
| 193 | are·also·BIFs·belonging·to·a·few·other·modules,·for·example·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html"><code·class="inline">lists</code></a> | 193 | are·also·BIFs·belonging·to·a·few·other·modules,·for·example·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html"><code·class="inline">lists</code></a> |
| 194 | and·<a·href="../../lib/stdlib-6.2.1/doc/html/ets.html"><code·class="inline">ets</code></a>.</p><p>The·most·commonly·used·BIFs·belonging·to·<a·href="../../erts-15.2.3/doc/html/erlang.html"><code·class="inline">erlang</code></a>·are·<em>auto-imported</em>.·They·do | 194 | and·<a·href="../../lib/stdlib-6.2.1/doc/html/ets.html"><code·class="inline">ets</code></a>.</p><p>The·most·commonly·used·BIFs·belonging·to·<a·href="../../erts-15.2.3/doc/html/erlang.html"><code·class="inline">erlang</code></a>·are·<em>auto-imported</em>.·They·do |
| 195 | not·need·to·be·prefixed·with·the·module·name.·Which·BIFs·that·are·auto-imported | 195 | not·need·to·be·prefixed·with·the·module·name.·Which·BIFs·that·are·auto-imported |
| 196 | is·specified·in·the·<a·href="../../erts-15.2.3/doc/html/erlang.html"><code·class="inline">erlang</code></a>·module·in·ERTS.·For·example,·standard-type | 196 | is·specified·in·the·<a·href="../../erts-15.2.3/doc/html/erlang.html"><code·class="inline">erlang</code></a>·module·in·ERTS.·For·example,·standard-type |
| 197 | conversion·BIFs·like·<code·class="inline">atom_to_list</code>·and·BIFs·allowed·in·guards·can·be·called | 197 | conversion·BIFs·like·<code·class="inline">atom_to_list</code>·and·BIFs·allowed·in·guards·can·be·called |
| 198 | without·specifying·the·module·name.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">tuple_size</span><span·class="p"·data-group-id="1 | 198 | without·specifying·the·module·name.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">tuple_size</span><span·class="p"·data-group-id="1641427961-1">(</span><span·class="p"·data-group-id="1641427961-2">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="1641427961-2">}</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·c560cfa27e3f7cb572b5d62be36c4fe21f4ce497fd8f50b85823f033da4877b4·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 199 | </span><span·class="mi">3</span><span·class="gp·unselectable"> | 199 | </span><span·class="mi">3</span><span·class="gp·unselectable"> |
| 200 | 2>·</span><span·class="nf">atom_to_list</span><span·class="p"·data-group-id="1 | 200 | 2>·</span><span·class="nf">atom_to_list</span><span·class="p"·data-group-id="1641427961-3">(</span><span·class="ss">'Erlang'</span><span·class="p"·data-group-id="1641427961-3">)</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="s">"Erlang"</span></code></pre> | 201 | </span><span·class="s">"Erlang"</span></code></pre> |
| 202 | </div> | 202 | </div> |
| 203 | <div·class="bottom-actions"·id="bottom-actions"> | 203 | <div·class="bottom-actions"·id="bottom-actions"> |
| 204 | ··<div·class="bottom-actions-item"> | 204 | ··<div·class="bottom-actions-item"> |
| 205 | ······<a·href="documentation.html"·class="bottom-actions-button"·rel="prev"> | 205 | ······<a·href="documentation.html"·class="bottom-actions-button"·rel="prev"> |
| Offset 245, 15 lines modified | Offset 245, 15 lines modified | ||
| 245 | ······<p·class="built-using"> | 245 | ······<p·class="built-using"> |
| 246 | ········Built·using | 246 | ········Built·using |
| 247 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 247 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 248 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 248 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 249 | ······</p> | 249 | ······</p> |
| 250 | <p>Copyright·©·1996-202 | 250 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 251 | ····</footer> | 251 | ····</footer> |
| 252 | ··</div> | 252 | ··</div> |
| 253 | </main> | 253 | </main> |
| 254 | </div> | 254 | </div> |
| 255 | <script> | 255 | <script> |
| 256 | ··function·mermaidLoaded()·{ | 256 | ··function·mermaidLoaded()·{ |
| 257 | ····mermaid.initialize({ | 257 | ····mermaid.initialize({ |
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| 125 | (grow·and·shrink·dynamically)·with·small·memory·footprint,·fast·to·create·and | 125 | (grow·and·shrink·dynamically)·with·small·memory·footprint,·fast·to·create·and |
| 126 | terminate,·and·the·scheduling·overhead·is·low.</p><h2·id="process-creation"·class="section-heading"> | 126 | terminate,·and·the·scheduling·overhead·is·low.</p><h2·id="process-creation"·class="section-heading"> |
| 127 | ··<a·href="#process-creation"·class="hover-link"> | 127 | ··<a·href="#process-creation"·class="hover-link"> |
| 128 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 128 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 129 | ··</a> | 129 | ··</a> |
| 130 | ··<span·class="text">Process·Creation</span> | 130 | ··<span·class="text">Process·Creation</span> |
| 131 | </h2> | 131 | </h2> |
| 132 | <p>A·process·is·created·by·calling·<a·href="../../erts-15.2.3/doc/html/erlang.html#spawn/3"><code·class="inline">spawn()</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 132 | <p>A·process·is·created·by·calling·<a·href="../../erts-15.2.3/doc/html/erlang.html#spawn/3"><code·class="inline">spawn()</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">spawn</span><span·class="p"·data-group-id="4780472569-1">(</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Args</span><span·class="p"·data-group-id="4780472569-1">)</span><s[·...·truncated·by·diffoscope;·len:·195,·SHA:·a5df27fdcf0eabbd3ed080c94c150e5e739f6120c4eae03fbe81f45784b37ecb·...·]-2">)</span><span·class="w"> |
| 133 | ··</span><span·class="n">Module</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 133 | ··</span><span·class="n">Module</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="4780472569-3">(</span><span·class="p"·data-group-id="4780472569-3">)</span><span·class="w"> |
| 134 | ··</span><span·class="n">Args</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 134 | ··</span><span·class="n">Args</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4780472569-4">[</span><span·class="n">Arg1</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="n">ArgN</span><span·class="p"·data-group-id="4780472569-4">]</span><span·class="w"> |
| 135 | ····</span><span·class="n">ArgI</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 135 | ····</span><span·class="n">ArgI</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="4780472569-5">(</span><span·class="p"·data-group-id="4780472569-5">)</span></code></pre><p><code·class="inline">spawn()</code>·creates·a·new·process·and·returns·the·pid.</p><p>The·new·process·starts·executing·in·<code·class="inline">Module:Name(Arg1,...,ArgN)</code>·where·the |
| 136 | arguments·are·the·elements·of·the·(possible·empty)·<code·class="inline">Args</code>·argument·list.</p><p>There·exist·a·number·of·different·<code·class="inline">spawn</code>·BIFs:</p><ul><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn/4"><code·class="inline">spawn/1,2,3,4</code></a></li><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_link/4"><code·class="inline">spawn_link/1,2,3,4</code></a></li><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_monitor/4"><code·class="inline">spawn_monitor/1,2,3,4</code></a></li><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_opt/5"><code·class="inline">spawn_opt/2,3,4,5</code></a></li><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_request/5"><code·class="inline">spawn_request/1,2,3,4,5</code></a></li></ul><h2·id="registered-processes"·class="section-heading"> | 136 | arguments·are·the·elements·of·the·(possible·empty)·<code·class="inline">Args</code>·argument·list.</p><p>There·exist·a·number·of·different·<code·class="inline">spawn</code>·BIFs:</p><ul><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn/4"><code·class="inline">spawn/1,2,3,4</code></a></li><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_link/4"><code·class="inline">spawn_link/1,2,3,4</code></a></li><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_monitor/4"><code·class="inline">spawn_monitor/1,2,3,4</code></a></li><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_opt/5"><code·class="inline">spawn_opt/2,3,4,5</code></a></li><li><a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_request/5"><code·class="inline">spawn_request/1,2,3,4,5</code></a></li></ul><h2·id="registered-processes"·class="section-heading"> |
| 137 | ··<a·href="#registered-processes"·class="hover-link"> | 137 | ··<a·href="#registered-processes"·class="hover-link"> |
| 138 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 138 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 139 | ··</a> | 139 | ··</a> |
| 140 | ··<span·class="text">Registered·Processes</span> | 140 | ··<span·class="text">Registered·Processes</span> |
| 141 | </h2> | 141 | </h2> |
| 142 | <p>Besides·addressing·a·process·by·using·its·pid,·there·are·also·BIFs·for | 142 | <p>Besides·addressing·a·process·by·using·its·pid,·there·are·also·BIFs·for |
| Offset 583, 15 lines modified | Offset 583, 15 lines modified | ||
| 583 | ······<p·class="built-using"> | 583 | ······<p·class="built-using"> |
| 584 | ········Built·using | 584 | ········Built·using |
| 585 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 585 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 586 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 586 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 587 | ······</p> | 587 | ······</p> |
| 588 | <p>Copyright·©·1996-202 | 588 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 589 | ····</footer> | 589 | ····</footer> |
| 590 | ··</div> | 590 | ··</div> |
| 591 | </main> | 591 | </main> |
| 592 | </div> | 592 | </div> |
| 593 | <script> | 593 | <script> |
| 594 | ··function·mermaidLoaded()·{ | 594 | ··function·mermaidLoaded()·{ |
| 595 | ····mermaid.initialize({ | 595 | ····mermaid.initialize({ |
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| 123 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 123 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 124 | ··</a> | 124 | ··</a> |
| 125 | ··<span·class="text">Defining·Records</span> | 125 | ··<span·class="text">Defining·Records</span> |
| 126 | </h2> | 126 | </h2> |
| 127 | <p>A·record·definition·consists·of·the·name·of·the·record,·followed·by·the·field | 127 | <p>A·record·definition·consists·of·the·name·of·the·record,·followed·by·the·field |
| 128 | names·of·the·record.·Record·and·field·names·must·be·atoms.·Each·field·can·be | 128 | names·of·the·record.·Record·and·field·names·must·be·atoms.·Each·field·can·be |
| 129 | given·an·optional·default·value.·If·no·default·value·is·supplied,·<code·class="inline">undefined</code>·is | 129 | given·an·optional·default·value.·If·no·default·value·is·supplied,·<code·class="inline">undefined</code>·is |
| 130 | used.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="998 | 130 | used.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="9898763563-1">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9898763563-2">{</span><span·class="n">Field1</span><span·class="w">·</span><span·class="p"·data-group-id="9898763563-3">[</span><[·...·truncated·by·diffoscope;·len:·116,·SHA:·c7252075f9ce1b859757e83cb80595ac565e9b54b26d3e01bbdb6184ec3a5a28·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 131 | ···············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 131 | ···············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 132 | ···············</span><span·class="n">FieldN</span><span·class="w">·</span><span·class="p"·data-group-id="998 | 132 | ···············</span><span·class="n">FieldN</span><span·class="w">·</span><span·class="p"·data-group-id="9898763563-4">[</span><span·class="o">=</span><span·class="w">·</span><span·class="n">ExprN</span><span·class="p"·data-group-id="9898763563-4">]</span><span·class="p"·data-group-id="9898763563-2">}</span><span·class="p"·data-group-id="9898763563-1">)</span><span·class="p">.</span></code></pre><p>The·default·value·for·a·field·is·an·arbitrary·expression,·except·that·it·must |
| 133 | not·use·any·variables.</p><p>A·record·definition·can·be·placed·anywhere·among·the·attributes·and·function | 133 | not·use·any·variables.</p><p>A·record·definition·can·be·placed·anywhere·among·the·attributes·and·function |
| 134 | declarations·of·a·module,·but·the·definition·must·come·before·any·usage·of·the | 134 | declarations·of·a·module,·but·the·definition·must·come·before·any·usage·of·the |
| 135 | record.</p><p>If·a·record·is·used·in·several·modules,·it·is·recommended·that·the·record | 135 | record.</p><p>If·a·record·is·used·in·several·modules,·it·is·recommended·that·the·record |
| 136 | definition·is·placed·in·an·include·file.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Starting·from·Erlang/OTP·26,·records·can·be·defined·in·the·Erlang·shell | 136 | definition·is·placed·in·an·include·file.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Starting·from·Erlang/OTP·26,·records·can·be·defined·in·the·Erlang·shell |
| 137 | using·the·syntax·described·in·this·section.·In·earlier·releases,·it·was | 137 | using·the·syntax·described·in·this·section.·In·earlier·releases,·it·was |
| 138 | necessary·to·use·the·<a·href="../../lib/stdlib-6.2.1/doc/html/shell.html"><code·class="inline">shell</code></a>·built-in·function·<code·class="inline">rd/2</code>.</p></section><h2·id="creating-records"·class="section-heading"> | 138 | necessary·to·use·the·<a·href="../../lib/stdlib-6.2.1/doc/html/shell.html"><code·class="inline">shell</code></a>·built-in·function·<code·class="inline">rd/2</code>.</p></section><h2·id="creating-records"·class="section-heading"> |
| 139 | ··<a·href="#creating-records"·class="hover-link"> | 139 | ··<a·href="#creating-records"·class="hover-link"> |
| Offset 143, 32 lines modified | Offset 143, 32 lines modified | ||
| 143 | </h2> | 143 | </h2> |
| 144 | <p>The·following·expression·creates·a·new·<code·class="inline">Name</code>·record·where·the·value·of·each | 144 | <p>The·following·expression·creates·a·new·<code·class="inline">Name</code>·record·where·the·value·of·each |
| 145 | field·<code·class="inline">FieldI</code>·is·the·value·of·evaluating·the·corresponding·expression·<code·class="inline">ExprI</code>:</p><pre><code·class="text">#Name{Field1=Expr1,·...,·FieldK=ExprK}</code></pre><p>The·fields·can·be·in·any·order,·not·necessarily·the·same·order·as·in·the·record | 145 | field·<code·class="inline">FieldI</code>·is·the·value·of·evaluating·the·corresponding·expression·<code·class="inline">ExprI</code>:</p><pre><code·class="text">#Name{Field1=Expr1,·...,·FieldK=ExprK}</code></pre><p>The·fields·can·be·in·any·order,·not·necessarily·the·same·order·as·in·the·record |
| 146 | definition,·and·fields·can·be·omitted.·Omitted·fields·get·their·respective | 146 | definition,·and·fields·can·be·omitted.·Omitted·fields·get·their·respective |
| 147 | default·value·instead.</p><p>If·several·fields·are·to·be·assigned·the·same·value,·the·following·construction | 147 | default·value·instead.</p><p>If·several·fields·are·to·be·assigned·the·same·value,·the·following·construction |
| 148 | can·be·used:</p><pre><code·class="text">#Name{Field1=Expr1,·...,·FieldK=ExprK,·_=ExprL}</code></pre><p>Omitted·fields·then·get·the·value·of·evaluating·<code·class="inline">ExprL</code>·instead·of·their·default | 148 | can·be·used:</p><pre><code·class="text">#Name{Field1=Expr1,·...,·FieldK=ExprK,·_=ExprL}</code></pre><p>Omitted·fields·then·get·the·value·of·evaluating·<code·class="inline">ExprL</code>·instead·of·their·default |
| 149 | values.·This·feature·is·primarily·intended·to·be·used·to·create·patterns·for·ETS | 149 | values.·This·feature·is·primarily·intended·to·be·used·to·create·patterns·for·ETS |
| 150 | and·Mnesia·match·functions.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 150 | and·Mnesia·match·functions.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="2363946972-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2363946972-2">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">phone</spa[·...·truncated·by·diffoscope;·len:·175,·SHA:·dba987605a4ab7b390bb8c5d69ce0a993555e82dd4f859378970e53b773f9917·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="nf">lookup</span><span·class="p"·data-group-id=" | 151 | </span><span·class="nf">lookup</span><span·class="p"·data-group-id="2363946972-3">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p"·data-group-id="2363946972-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 152 | ····</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_object</span><span·class="p"·data-group-id=" | 152 | ····</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_object</span><span·class="p"·data-group-id="2363946972-4">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="2363946972-5">{</span><span·class="ss">name</span><span·class="o">=</span><[·...·truncated·by·diffoscope;·len:·251,·SHA:·ad65f1495fd7492afee8d8843d744d84c9cc4d442946c04adf4e80064b9b2b5a·...·]-4">)</span><span·class="p">.</span></code></pre><h2·id="accessing-record-fields"·class="section-heading"> |
| 153 | ··<a·href="#accessing-record-fields"·class="hover-link"> | 153 | ··<a·href="#accessing-record-fields"·class="hover-link"> |
| 154 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 154 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 155 | ··</a> | 155 | ··</a> |
| 156 | ··<span·class="text">Accessing·Record·Fields</span> | 156 | ··<span·class="text">Accessing·Record·Fields</span> |
| 157 | </h2> | 157 | </h2> |
| 158 | <pre><code·class="text">Expr#Name.Field</code></pre><p>Returns·the·value·of·the·specified·field.·<code·class="inline">Expr</code>·is·to·evaluate·to·a·<code·class="inline">Name</code> | 158 | <pre><code·class="text">Expr#Name.Field</code></pre><p>Returns·the·value·of·the·specified·field.·<code·class="inline">Expr</code>·is·to·evaluate·to·a·<code·class="inline">Name</code> |
| 159 | record.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 159 | record.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="8811141108-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8811141108-2">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">phone</spa[·...·truncated·by·diffoscope;·len:·175,·SHA:·221529029810ae13578ff313f0101af64719276456703588a7c6289a4d6f075c·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 160 | </span><span·class="nf">get_person_name</span><span·class="p"·data-group-id=" | 160 | </span><span·class="nf">get_person_name</span><span·class="p"·data-group-id="8811141108-3">(</span><span·class="n">Person</span><span·class="p"·data-group-id="8811141108-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 161 | ····</span><span·class="n">Person</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">name</span><span·class="p">.</span></code></pre><p>The·following·expression·returns·the·position·of·the·specified·field·in·the | 161 | ····</span><span·class="n">Person</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">name</span><span·class="p">.</span></code></pre><p>The·following·expression·returns·the·position·of·the·specified·field·in·the |
| 162 | tuple·representation·of·the·record:</p><pre><code·class="text">#Name.Field</code></pre><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 162 | tuple·representation·of·the·record:</p><pre><code·class="text">#Name.Field</code></pre><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="1387271790-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1387271790-2">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">phone</spa[·...·truncated·by·diffoscope;·len:·175,·SHA:·95353e35399fc947aa7b5cde61ae991b7a52539267ba58e0a6ab7be84d518517·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 163 | </span><span·class="nf">lookup</span><span·class="p"·data-group-id=" | 163 | </span><span·class="nf">lookup</span><span·class="p"·data-group-id="1387271790-3">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">List</span><span·class="p"·data-group-id="1387271790-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 164 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">keyfind</span><span·class="p"·data-group-id=" | 164 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">keyfind</span><span·class="p"·data-group-id="1387271790-4">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·63,·SHA:·adef75cad6796a39469d1c541035215cb9e6b59dd4a1e277018ae269579756c3·...·]-4">)</span><span·class="p">.</span></code></pre><h2·id="updating-records"·class="section-heading"> |
| 165 | ··<a·href="#updating-records"·class="hover-link"> | 165 | ··<a·href="#updating-records"·class="hover-link"> |
| 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 167 | ··</a> | 167 | ··</a> |
| 168 | ··<span·class="text">Updating·Records</span> | 168 | ··<span·class="text">Updating·Records</span> |
| 169 | </h2> | 169 | </h2> |
| 170 | <pre><code·class="text">Expr#Name{Field1=Expr1,·...,·FieldK=ExprK}</code></pre><p><code·class="inline">Expr</code>·is·to·evaluate·to·a·<code·class="inline">Name</code>·record.·A·copy·of·this·record·is·returned, | 170 | <pre><code·class="text">Expr#Name{Field1=Expr1,·...,·FieldK=ExprK}</code></pre><p><code·class="inline">Expr</code>·is·to·evaluate·to·a·<code·class="inline">Name</code>·record.·A·copy·of·this·record·is·returned, |
| 171 | with·the·value·of·each·specified·field·<code·class="inline">FieldI</code>·changed·to·the·value·of | 171 | with·the·value·of·each·specified·field·<code·class="inline">FieldI</code>·changed·to·the·value·of |
| Offset 178, 51 lines modified | Offset 178, 51 lines modified | ||
| 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 179 | ··</a> | 179 | ··</a> |
| 180 | ··<span·class="text">Records·in·Guards</span> | 180 | ··<span·class="text">Records·in·Guards</span> |
| 181 | </h2> | 181 | </h2> |
| 182 | <p>Since·record·expressions·are·expanded·to·tuple·expressions,·creating | 182 | <p>Since·record·expressions·are·expanded·to·tuple·expressions,·creating |
| 183 | records·and·accessing·record·fields·are·allowed·in·guards.·However, | 183 | records·and·accessing·record·fields·are·allowed·in·guards.·However, |
| 184 | all·subexpressions·(for·initializing·fields),·must·be·valid·guard | 184 | all·subexpressions·(for·initializing·fields),·must·be·valid·guard |
| 185 | expressions·as·well.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle</span><span·class="p"·data-group-id=" | 185 | expressions·as·well.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle</span><span·class="p"·data-group-id="8214049510-1">(</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="8214049510-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·442,·SHA:·09a6a8eb49cb5fd4b3eab5830c371f86eff593059687c32f1c5f11b03136dbdf·...·]-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 186 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 186 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 187 | </span><span·class="nf">handle</span><span·class="p"·data-group-id=" | 187 | </span><span·class="nf">handle</span><span·class="p"·data-group-id="8214049510-3">(</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="8214049510-3">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">running</span><span·class="w">·</span><span·class="o">=:=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 188 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>There·is·also·a·type·test·BIF·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_record/2"><code·class="inline">is_record(Term,·RecordTag)</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">is_person</span><span·class="p"·data-group-id=" | 188 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>There·is·also·a·type·test·BIF·<a·href="../../erts-15.2.3/doc/html/erlang.html#is_record/2"><code·class="inline">is_record(Term,·RecordTag)</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">is_person</span><span·class="p"·data-group-id="0420194864-1">(</span><span·class="n">P</span><span·class="p"·data-group-id="0420194864-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_record</span><span·class="p"·data-group-id="0420194864-2">(</s[·...·truncated·by·diffoscope;·len:·147,·SHA:·5e1433369cc28524f6f0c86ce4006797b965919cb955757394688d89452ef846·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 189 | ····</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 189 | ····</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 190 | </span><span·class="nf">is_person</span><span·class="p"·data-group-id=" | 190 | </span><span·class="nf">is_person</span><span·class="p"·data-group-id="0420194864-3">(</span><span·class="p">_</span><span·class="n">P</span><span·class="p"·data-group-id="0420194864-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 191 | ····</span><span·class="ss">false</span><span·class="p">.</span></code></pre><h2·id="records-in-patterns"·class="section-heading"> | 191 | ····</span><span·class="ss">false</span><span·class="p">.</span></code></pre><h2·id="records-in-patterns"·class="section-heading"> |
| 192 | ··<a·href="#records-in-patterns"·class="hover-link"> | 192 | ··<a·href="#records-in-patterns"·class="hover-link"> |
| 193 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 193 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 194 | ··</a> | 194 | ··</a> |
| 195 | ··<span·class="text">Records·in·Patterns</span> | 195 | ··<span·class="text">Records·in·Patterns</span> |
| 196 | </h2> | 196 | </h2> |
| 197 | <p>A·pattern·that·matches·a·certain·record·is·created·in·the·same·way·as·a·record | 197 | <p>A·pattern·that·matches·a·certain·record·is·created·in·the·same·way·as·a·record |
| 198 | is·created:</p><pre><code·class="text">#Name{Field1=Expr1,·...,·FieldK=ExprK}</code></pre><p>In·this·case,·one·or·more·of·<code·class="inline">Expr1</code>·...·<code·class="inline">ExprK</code>·can·be·unbound·variables.</p><h2·id="nested-records"·class="section-heading"> | 198 | is·created:</p><pre><code·class="text">#Name{Field1=Expr1,·...,·FieldK=ExprK}</code></pre><p>In·this·case,·one·or·more·of·<code·class="inline">Expr1</code>·...·<code·class="inline">ExprK</code>·can·be·unbound·variables.</p><h2·id="nested-records"·class="section-heading"> |
| 199 | ··<a·href="#nested-records"·class="hover-link"> | 199 | ··<a·href="#nested-records"·class="hover-link"> |
| 200 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 200 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 201 | ··</a> | 201 | ··</a> |
| 202 | ··<span·class="text">Nested·Records</span> | 202 | ··<span·class="text">Nested·Records</span> |
| 203 | </h2> | 203 | </h2> |
| 204 | <p>Assume·the·following·record·definitions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="4020955710-1">(</span><span·class="ss">nrec0</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4020955710-2">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"nested0"</span><span·class="p"·data-group-id="4020955710-2">}</span><span·class="p"·data-group-id="4020955710-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 205 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="4020955710-3">(</span><span·class="ss">nrec1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4020955710-4">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"nested1"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">nrec0</span><span·class="o">=</span><span·class="o">#</span><span·class="ss">nrec0</span><span·class="p"·data-group-id="4020955710-5">{</span><span·class="p"·data-group-id="4020955710-5">}</span><span·class="p"·data-group-id="4020955710-4">}</span><span·class="p"·data-group-id="4020955710-3">)</span><span·class="p">.</span><span·class="w"> | ||
| 206 | < | 204 | <p>Assume·the·following·record·definitions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="3345683219-1">(</span><span·class="ss">nrec0</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·313,·SHA:·dc32bd534eb06ca4fb991a886083e08d9430cc4128ada663fb9fac53e049679d·...·]">)</span><span·class="p">.</span><span·class="w"> |
| 205 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="3345683219-3">(</span><span·class="ss">nrec1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3345683219-4">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"nested1"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">nrec0</span><span·class="o">=</span><span·class="o">#</span><span·class="ss">nrec0</span><span·class="p"·data-group-id="3345683219-5">{</span><span·class="p"·data-group-id="3345683219-5">}</span><span·class="p"·data-group-id="3345683219-4">}</span><span·class="p"·data-group-id="3345683219-3">)</span><span·class="p">.</span><span·class="w"> | ||
| 206 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="3345683219-6">(</span><span·class="ss">nrec2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3345683219-7">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"nested2"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">nrec1</span><span·class="o">=</span><span·class="o">#</span><span·class="ss">nrec1</span><span·class="p"·data-group-id="3345683219-8">{</span><span·class="p"·data-group-id="3345683219-8">}</span><span·class="p"·data-group-id="3345683219-7">}</span><span·class="p"·data-group-id="3345683219-6">)</span><span·class="p">.</span><span·class="w"> | ||
| 207 | </span><span·class="n">N2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">nrec2</span><span·class="p"·data-group-id=" | 207 | </span><span·class="n">N2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">nrec2</span><span·class="p"·data-group-id="3345683219-9">{</span><span·class="p"·data-group-id="3345683219-9">}</span><span·class="p">,</span></code></pre><p>Accessing·or·updating·nested·records·can·be·written·without·parentheses:</p><pre><code·class="text">"nested0"·=·N2#nrec2.nrec1#nrec1.nrec0#nrec0.name, |
| 208 | ····N0n·=·N2#nrec2.nrec1#nrec1.nrec0#nrec0{name·=·"nested0a"},</code></pre><p>which·is·equivalent·to:</p><pre><code·class="text">"nested0"·=·((N2#nrec2.nrec1)#nrec1.nrec0)#nrec0.name, | 208 | ····N0n·=·N2#nrec2.nrec1#nrec1.nrec0#nrec0{name·=·"nested0a"},</code></pre><p>which·is·equivalent·to:</p><pre><code·class="text">"nested0"·=·((N2#nrec2.nrec1)#nrec1.nrec0)#nrec0.name, |
| 209 | N0n·=·((N2#nrec2.nrec1)#nrec1.nrec0)#nrec0{name·=·"nested0a"},</code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·Erlang/OTP·R14,·parentheses·were·necessary·when·accessing·or·updating | 209 | N0n·=·((N2#nrec2.nrec1)#nrec1.nrec0)#nrec0{name·=·"nested0a"},</code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·Erlang/OTP·R14,·parentheses·were·necessary·when·accessing·or·updating |
| 210 | nested·records.</p></section><h2·id="internal-representation-of-records"·class="section-heading"> | 210 | nested·records.</p></section><h2·id="internal-representation-of-records"·class="section-heading"> |
| 211 | ··<a·href="#internal-representation-of-records"·class="hover-link"> | 211 | ··<a·href="#internal-representation-of-records"·class="hover-link"> |
| 212 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 212 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 213 | ··</a> | 213 | ··</a> |
| 214 | ··<span·class="text">Internal·Representation·of·Records</span> | 214 | ··<span·class="text">Internal·Representation·of·Records</span> |
| 215 | </h2> | 215 | </h2> |
| 216 | <p>Record·expressions·are·translated·to·tuple·expressions·during·compilation.·A | 216 | <p>Record·expressions·are·translated·to·tuple·expressions·during·compilation.·A |
| 217 | record·defined·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 217 | record·defined·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="5692131868-1">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5692131868-2">{</span><span·class="n">Field1</span><span·class="p">,</span><span·class="w">·</span><span·class="p">.</span><span[·...·truncated·by·diffoscope;·len:·214,·SHA:·97873d374abb5c80c78c1b4278603734f694d218cc3c394fdd88b6ccf7eada01·...·]-1">)</span><span·class="p">.</span></code></pre><p>is·internally·represented·by·the·tuple:</p><pre><code·class="text">{Name,·Value1,·...,·ValueN}</code></pre><p>Here·each·<code·class="inline">ValueI</code>·is·the·default·value·for·<code·class="inline">FieldI</code>.</p><p>To·each·module·using·records,·a·pseudo·function·is·added·during·compilation·to |
| 218 | obtain·information·about·records:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">record_info</span><span·class="p"·data-group-id=" | 218 | obtain·information·about·records:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">record_info</span><span·class="p"·data-group-id="8630944830-1">(</span><span·class="ss">fields</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Record</span><span·class="p"·data-group-id="8630944830-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·124,·SHA:·6e48805755021f190f50becb20a4738b5168373377fb494f2a1915ae0e7ee2e3·...·]-2">]</span><span·class="w"> |
| 219 | </span><span·class="nf">record_info</span><span·class="p"·data-group-id=" | 219 | </span><span·class="nf">record_info</span><span·class="p"·data-group-id="8630944830-3">(</span><span·class="nb">size</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Record</span><span·class="p"·data-group-id="8630944830-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Size</span></code></pre><p><code·class="inline">Size</code>·is·the·size·of·the·tuple·representation,·that·is,·one·more·than·the |
| 220 | number·of·fields.</p> | 220 | number·of·fields.</p> |
| 221 | </div> | 221 | </div> |
| 222 | <div·class="bottom-actions"·id="bottom-actions"> | 222 | <div·class="bottom-actions"·id="bottom-actions"> |
| 223 | ··<div·class="bottom-actions-item"> | 223 | ··<div·class="bottom-actions-item"> |
| 224 | ······<a·href="macros.html"·class="bottom-actions-button"·rel="prev"> | 224 | ······<a·href="macros.html"·class="bottom-actions-button"·rel="prev"> |
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| 266 | ······<p·class="built-using"> | 266 | ······<p·class="built-using"> |
| 267 | ········Built·using | 267 | ········Built·using |
| 268 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 268 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 269 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 269 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 270 | ······</p> | 270 | ······</p> |
| 271 | <p>Copyright·©·1996-202 | 271 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 272 | ····</footer> | 272 | ····</footer> |
| 273 | ··</div> | 273 | ··</div> |
| 274 | </main> | 274 | </main> |
| 275 | </div> | 275 | </div> |
| 276 | <script> | 276 | <script> |
| 277 | ··function·mermaidLoaded()·{ | 277 | ··function·mermaidLoaded()·{ |
| 278 | ····mermaid.initialize({ | 278 | ····mermaid.initialize({ |
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| 209 | ······<p·class="built-using"> | 209 | ······<p·class="built-using"> |
| 210 | ········Built·using | 210 | ········Built·using |
| 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 213 | ······</p> | 213 | ······</p> |
| 214 | <p>Copyright·©·1996-202 | 214 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 215 | ····</footer> | 215 | ····</footer> |
| 216 | ··</div> | 216 | ··</div> |
| 217 | </main> | 217 | </main> |
| 218 | </div> | 218 | </div> |
| 219 | <script> | 219 | <script> |
| 220 | ··function·mermaidLoaded()·{ | 220 | ··function·mermaidLoaded()·{ |
| 221 | ····mermaid.initialize({ | 221 | ····mermaid.initialize({ |
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| 223 | ··<span·class="text">update</span> | 223 | ··<span·class="text">update</span> |
| 224 | </h3> | 224 | </h3> |
| 225 | <p>If·a·more·complex·change·has·been·made,·for·example,·a·change·to·the·format·of | 225 | <p>If·a·more·complex·change·has·been·made,·for·example,·a·change·to·the·format·of |
| 226 | the·internal·state·of·a·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html"><code·class="inline">gen_server</code></a>,·simple·code·replacement·is·not·sufficient. | 226 | the·internal·state·of·a·<a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html"><code·class="inline">gen_server</code></a>,·simple·code·replacement·is·not·sufficient. |
| 227 | Instead,·it·is·necessary·to:</p><ul><li>Suspend·the·processes·using·the·module·(to·avoid·that·they·try·to·handle·any | 227 | Instead,·it·is·necessary·to:</p><ul><li>Suspend·the·processes·using·the·module·(to·avoid·that·they·try·to·handle·any |
| 228 | requests·before·the·code·replacement·is·completed).</li><li>Ask·them·to·transform·the·internal·state·format·and·switch·to·the·new·version | 228 | requests·before·the·code·replacement·is·completed).</li><li>Ask·them·to·transform·the·internal·state·format·and·switch·to·the·new·version |
| 229 | of·the·module.</li><li>Remove·the·old·version.</li><li>Resume·the·processes.</li></ul><p>This·is·called·<em>synchronized·code·replacement</em>·and·for·this·the·following | 229 | of·the·module.</li><li>Remove·the·old·version.</li><li>Resume·the·processes.</li></ul><p>This·is·called·<em>synchronized·code·replacement</em>·and·for·this·the·following |
| 230 | instructions·are·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8248812082-1">{</span><span·class="ss">update</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8248812082-2">{</span><span·class="ss">advanced</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Extra</span><span·class="p"·data-group-id="8248812082-2">}</span><span·class="p"·data-group-id="8248812082-1">}</span><span·class="w"> | ||
| 231 | 230 | instructions·are·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8470741443-1">{</span><span·class="ss">update</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·309,·SHA:·c8ddc7ae164a0baf6e37551cb4eb9a2e339a9f312b0eb3977c1170d7d02b7049·...·] | |
| 231 | </span><span·class="p"·data-group-id="8470741443-3">{</span><span·class="ss">update</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">supervisor</span><span·class="p"·data-group-id="8470741443-3">}</span></code></pre><p><code·class="inline">update</code>·with·argument·<code·class="inline">{advanced,Extra}</code>·is·used·when·changing·the·internal | ||
| 232 | state·of·a·behaviour·as·described·above.·It·causes·behaviour·processes·to·call | 232 | state·of·a·behaviour·as·described·above.·It·causes·behaviour·processes·to·call |
| 233 | the·callback·function·<code·class="inline">code_change/3</code>,·passing·the·term·<code·class="inline">Extra</code>·and·some·other | 233 | the·callback·function·<code·class="inline">code_change/3</code>,·passing·the·term·<code·class="inline">Extra</code>·and·some·other |
| 234 | information·as·arguments.·See·the·manual·pages·for·the·respective·behaviours·and | 234 | information·as·arguments.·See·the·manual·pages·for·the·respective·behaviours·and |
| 235 | <a·href="appup_cookbook.html#int_state">Appup·Cookbook</a>.</p><p><code·class="inline">update</code>·with·argument·<code·class="inline">supervisor</code>·is·used·when·changing·the·start | 235 | <a·href="appup_cookbook.html#int_state">Appup·Cookbook</a>.</p><p><code·class="inline">update</code>·with·argument·<code·class="inline">supervisor</code>·is·used·when·changing·the·start |
| 236 | specification·of·a·supervisor.·See·<a·href="appup_cookbook.html#sup">Appup·Cookbook</a>.</p><p>When·a·module·is·to·be·updated,·the·release·handler·finds·which·processes·that | 236 | specification·of·a·supervisor.·See·<a·href="appup_cookbook.html#sup">Appup·Cookbook</a>.</p><p>When·a·module·is·to·be·updated,·the·release·handler·finds·which·processes·that |
| 237 | are·<em>using</em>·the·module·by·traversing·the·supervision·tree·of·each·running | 237 | are·<em>using</em>·the·module·by·traversing·the·supervision·tree·of·each·running |
| 238 | application·and·checking·all·the·child·specifications:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3 | 238 | application·and·checking·all·the·child·specifications:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3482900576-1">{</span><span·class="n">Id</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StartFunc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Restart</span><span·class="p">,</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·221,·SHA:·d2a77742c82528afdddca7bce397eb1c4078996cf290fe2fb6d0c7869b3d62ce·...·]-1">}</span></code></pre><p>A·process·uses·a·module·if·the·name·is·listed·in·<code·class="inline">Modules</code>·in·the·child |
| 239 | specification·for·the·process.</p><p>If·<code·class="inline">Modules=dynamic</code>,·which·is·the·case·for·event·managers,·the·event·manager | 239 | specification·for·the·process.</p><p>If·<code·class="inline">Modules=dynamic</code>,·which·is·the·case·for·event·managers,·the·event·manager |
| 240 | process·informs·the·release·handler·about·the·list·of·currently·installed·event | 240 | process·informs·the·release·handler·about·the·list·of·currently·installed·event |
| 241 | handlers·(<code·class="inline">gen_event</code>),·and·it·is·checked·if·the·module·name·is·in·this·list | 241 | handlers·(<code·class="inline">gen_event</code>),·and·it·is·checked·if·the·module·name·is·in·this·list |
| 242 | instead.</p><p>The·release·handler·suspends,·asks·for·code·change,·and·resumes·processes·by | 242 | instead.</p><p>The·release·handler·suspends,·asks·for·code·change,·and·resumes·processes·by |
| 243 | calling·the·functions·<code·class="inline">sys:suspend/1,2</code>,·<code·class="inline">sys:change_code/4,5</code>,·and | 243 | calling·the·functions·<code·class="inline">sys:suspend/1,2</code>,·<code·class="inline">sys:change_code/4,5</code>,·and |
| 244 | <code·class="inline">sys:resume/1,2</code>,·respectively.</p><h3·id="add_module-and-delete_module"·class="section-heading"> | 244 | <code·class="inline">sys:resume/1,2</code>,·respectively.</p><h3·id="add_module-and-delete_module"·class="section-heading"> |
| 245 | ··<a·href="#add_module-and-delete_module"·class="hover-link"> | 245 | ··<a·href="#add_module-and-delete_module"·class="hover-link"> |
| 246 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 246 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 247 | ··</a> | 247 | ··</a> |
| 248 | ··<span·class="text">add_module·and·delete_module</span> | 248 | ··<span·class="text">add_module·and·delete_module</span> |
| 249 | </h3> | 249 | </h3> |
| 250 | <p>If·a·new·module·is·introduced,·the·following·instruction·is·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2 | 250 | <p>If·a·new·module·is·introduced,·the·following·instruction·is·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2368646347-1">{</span><span·class="ss">add_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p"·data-group-id="2368646347-1">}</span></code></pre><p>This·instruction·loads·module·<code·class="inline">Module</code>.·When·running·Erlang·in |
| 251 | embedded·mode·it·is·necessary·to·use·this·this·instruction.·It·is·not | 251 | embedded·mode·it·is·necessary·to·use·this·this·instruction.·It·is·not |
| 252 | strictly·required·when·running·Erlang·in·interactive·mode,·since·the | 252 | strictly·required·when·running·Erlang·in·interactive·mode,·since·the |
| 253 | code·server·automatically·searches·for·and·loads·unloaded·modules.</p><p>The·opposite·of·<code·class="inline">add_module</code>·is·<code·class="inline">delete_module</code>,·which·unloads·a·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 253 | code·server·automatically·searches·for·and·loads·unloaded·modules.</p><p>The·opposite·of·<code·class="inline">add_module</code>·is·<code·class="inline">delete_module</code>,·which·unloads·a·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0124610777-1">{</span><span·class="nb">delete_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p"·data-group-id="0124610777-1">}</span></code></pre><p>Any·process,·in·any·application,·with·<code·class="inline">Module</code>·as·residence·module,·is |
| 254 | killed·when·the·instruction·is·evaluated.·Therefore,·the·user·must | 254 | killed·when·the·instruction·is·evaluated.·Therefore,·the·user·must |
| 255 | ensure·that·all·such·processes·are·terminated·before·deleting·module | 255 | ensure·that·all·such·processes·are·terminated·before·deleting·module |
| 256 | <code·class="inline">Module</code>·to·avoid·a·situation·with·failing·supervisor·restarts.</p><h3·id="application-instructions"·class="section-heading"> | 256 | <code·class="inline">Module</code>·to·avoid·a·situation·with·failing·supervisor·restarts.</p><h3·id="application-instructions"·class="section-heading"> |
| 257 | ··<a·href="#application-instructions"·class="hover-link"> | 257 | ··<a·href="#application-instructions"·class="hover-link"> |
| 258 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 258 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 259 | ··</a> | 259 | ··</a> |
| 260 | ··<span·class="text">Application·Instructions</span> | 260 | ··<span·class="text">Application·Instructions</span> |
| Offset 341, 60 lines modified | Offset 341, 60 lines modified | ||
| 341 | <code·class="inline">.app</code>·file.</li><li>Each·<code·class="inline">UpFromVsn</code>·is·a·previous·version·of·the·application·to·upgrade·from.</li><li>Each·<code·class="inline">DownToVsn</code>·is·a·previous·version·of·the·application·to·downgrade·to.</li><li>Each·<code·class="inline">Instructions</code>·is·a·list·of·release·handling·instructions.</li></ul><p><code·class="inline">UpFromVsn</code>·and·<code·class="inline">DownToVsn</code>·can·also·be·specified·as·regular·expressions.·For | 341 | <code·class="inline">.app</code>·file.</li><li>Each·<code·class="inline">UpFromVsn</code>·is·a·previous·version·of·the·application·to·upgrade·from.</li><li>Each·<code·class="inline">DownToVsn</code>·is·a·previous·version·of·the·application·to·downgrade·to.</li><li>Each·<code·class="inline">Instructions</code>·is·a·list·of·release·handling·instructions.</li></ul><p><code·class="inline">UpFromVsn</code>·and·<code·class="inline">DownToVsn</code>·can·also·be·specified·as·regular·expressions.·For |
| 342 | more·information·about·the·syntax·and·contents·of·the·<code·class="inline">.appup</code>·file,·see | 342 | more·information·about·the·syntax·and·contents·of·the·<code·class="inline">.appup</code>·file,·see |
| 343 | <a·href="../../lib/sasl-4.2.2/doc/html/appup.html"><code·class="inline">appup</code></a>·in·SASL.</p><p><a·href="appup_cookbook.html">Appup·Cookbook</a>·includes·examples·of·<code·class="inline">.appup</code>·files·for | 343 | <a·href="../../lib/sasl-4.2.2/doc/html/appup.html"><code·class="inline">appup</code></a>·in·SASL.</p><p><a·href="appup_cookbook.html">Appup·Cookbook</a>·includes·examples·of·<code·class="inline">.appup</code>·files·for |
| 344 | typical·upgrade/downgrade·cases.</p><p><em>Example:</em>·Consider·the·release·<code·class="inline">ch_rel-1</code>·from | 344 | typical·upgrade/downgrade·cases.</p><p><em>Example:</em>·Consider·the·release·<code·class="inline">ch_rel-1</code>·from |
| 345 | <a·href="release_structure.html#ch_rel">Releases</a>.·Assume·you·want·to·add·a·function | 345 | <a·href="release_structure.html#ch_rel">Releases</a>.·Assume·you·want·to·add·a·function |
| 346 | <code·class="inline">available/0</code>·to·server·<code·class="inline">ch3</code>,·which·returns·the·number·of·available·channels | 346 | <code·class="inline">available/0</code>·to·server·<code·class="inline">ch3</code>,·which·returns·the·number·of·available·channels |
| 347 | (when·trying·out·the·example,·make·the·change·in·a·copy·of·the·original | 347 | (when·trying·out·the·example,·make·the·change·in·a·copy·of·the·original |
| 348 | directory,·to·ensure·that·the·first·version·is·still·available):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 348 | directory,·to·ensure·that·the·first·version·is·still·available):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="5982429369-1">(</span><span·class="ss">ch3</span><span·class="p"·data-group-id="5982429369-1">)</span><span·class="p">.</span><span·class="w"> |
| 349 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 349 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="5982429369-2">(</span><span·class="ss">gen_server</span><span·class="p"·data-group-id="5982429369-2">)</span><span·class="p">.</span><span·class="w"> |
| 350 | </span><span·class="w"> | 350 | </span><span·class="w"> |
| 351 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 351 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5982429369-3">(</span><span·class="p"·data-group-id="5982429369-4">[</span><span·class="ss">start_link</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="5982429369-4">]</span><span·class="p"·data-group-id="5982429369-3">)</span><span·class="p">.</span><span·class="w"> |
| 352 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 352 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5982429369-5">(</span><span·class="p"·data-group-id="5982429369-6">[</span><span·class="ss">alloc</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">free</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·116,·SHA:·3fb9c7e4787361710c72919aa78f87f179b3f0480adae12d633d8e72ffe0b5e6·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 353 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 353 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5982429369-7">(</span><span·class="p"·data-group-id="5982429369-8">[</span><span·class="ss">available</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="5982429369-8">]</span><span·class="p"·data-group-id="5982429369-7">)</span><span·class="p">.</span><span·class="w"> |
| 354 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 354 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5982429369-9">(</span><span·class="p"·data-group-id="5982429369-10">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">handle_call</span><span·class="p">/</s[·...·truncated·by·diffoscope;·len:·256,·SHA:·dd8d30d19e7ec2d9cbd184e4607e9fe76209b802e734adb513482d1760954db3·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 355 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 355 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id="5982429369-11">(</span><span·class="p"·data-group-id="5982429369-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 356 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 356 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="5982429369-12">(</span><span·class="p"·data-group-id="5982429369-13">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p"·data-group-id="5982429369-13">}</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·407,·SHA:·a5d8ffd47ddc9b59b47f1ae9a25de907f7185c737992808d3a9c28542009f0dd·...·]-12">)</span><span·class="p">.</span><span·class="w"> |
| 357 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id=" | 357 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id="5982429369-16">(</span><span·class="p"·data-group-id="5982429369-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 358 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 358 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="5982429369-17">(</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">alloc</span><span·class="p"·data-group-id="5982429369-17">)</span><span·class="p">.</span><span·class="w"> |
| 359 | </span><span·class="nf">free</span><span·class="p"·data-group-id=" | 359 | </span><span·class="nf">free</span><span·class="p"·data-group-id="5982429369-18">(</span><span·class="n">Ch</span><span·class="p"·data-group-id="5982429369-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 360 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id=" | 360 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id="5982429369-19">(</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5982429369-20">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><sp[·...·truncated·by·diffoscope;·len:·92,·SHA:·b860846e5c569412ef6d7f905c8d5816a09ca06531ef4450cd5ec487eb0ccadc·...·]-19">)</span><span·class="p">.</span><span·class="w"> |
| 361 | </span><span·class="nf">available</span><span·class="p"·data-group-id=" | 361 | </span><span·class="nf">available</span><span·class="p"·data-group-id="5982429369-21">(</span><span·class="p"·data-group-id="5982429369-21">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 362 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 362 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="5982429369-22">(</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">available</span><span·class="p"·data-group-id="5982429369-22">)</span><span·class="p">.</span><span·class="w"> |
| 363 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 363 | </span><span·class="nf">init</span><span·class="p"·data-group-id="5982429369-23">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p"·data-group-id="5982429369-23">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 364 | ····</span><span·class="p"·data-group-id=" | 364 | ····</span><span·class="p"·data-group-id="5982429369-24">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">channels</span><span·class="p"·data-group-id="5982429369-25">(</span><span·class="p"·data-group-id="5982429369-25">)</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·c68b11f9da760772f77c7ae62f2e08f1aab5edde73db18aa1b1049c697d24b97·...·]-24">}</span><span·class="p">.</span><span·class="w"> |
| 365 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 365 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id="5982429369-26">(</span><span·class="ss">alloc</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·10,·SHA:·4f7630a2ed68b17364917c7dc9fca0530635fe2ba07b11d33db82649f27967ec·...·]-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 366 | ····</span><span·class="p"·data-group-id=" | 366 | ····</span><span·class="p"·data-group-id="5982429369-27">{</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="5982429369-27">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·143,·SHA:·dfb0c2517c30c23dfdc64d34759885de206690a7f2e651562d0fe68f24dcdef8·...·]-28">)</span><span·class="p">,</span><span·class="w"> |
| 367 | ····</span><span·class="p"·data-group-id=" | 367 | ····</span><span·class="p"·data-group-id="5982429369-29">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="5982429369-29">}</span><span·class="p">;</span><span·class="w"> |
| 368 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 368 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id="5982429369-30">(</span><span·class="ss">available</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·14,·SHA:·c8a5ad4fddad186cdb7839b7a306c0eb9102996f3bf23f4ae3f303531df0d100·...·]-30">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 369 | ····</span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">available</span><span·class="p"·data-group-id=" | 369 | ····</span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">available</span><span·class="p"·data-group-id="5982429369-31">(</span><span·class="n">Chs</span><span·class="p"·data-group-id="5982429369-31">)</span><span·class="p">,</span><span·class="w"> |
| 370 | ····</span><span·class="p"·data-group-id=" | 370 | ····</span><span·class="p"·data-group-id="5982429369-32">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="5982429369-32">}</span><span·class="p">.</span><span·class="w"> |
| 371 | </span><span·class="nf">handle_cast</span><span·class="p"·data-group-id=" | 371 | </span><span·class="nf">handle_cast</span><span·class="p"·data-group-id="5982429369-33">(</span><span·class="p"·data-group-id="5982429369-34">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ch</span><span·class="p"·data-group-id="5982429369-34">}</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·91,·SHA:·fc0ba3d71ccc75cbe044ca60ea477def28630c3c30da34d25d18e1ab0f892211·...·]-33">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 372 | ····</span><span·class="n">Chs2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id=" | 372 | ····</span><span·class="n">Chs2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id="5982429369-35">(</span><span·class="n">Ch</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs</span><span·class="p"·data-group-id="5982429369-35">)</span><span·class="p">,</span><span·class="w"> |
| 373 | ····</span><span·class="p"·data-group-id=" | 373 | ····</span><span·class="p"·data-group-id="5982429369-36">{</span><span·class="ss">noreply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Chs2</span><span·class="p"·data-group-id="5982429369-36">}</span><span·class="p">.</span></code></pre><p>A·new·version·of·the·<code·class="inline">ch_app.app</code>·file·must·now·be·created,·where·the·version·is |
| 374 | updated:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 374 | updated:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0828983837-1">{</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w"> |
| 375 | ·</span><span·class="p"·data-group-id=" | 375 | ·</span><span·class="p"·data-group-id="0828983837-2">[</span><span·class="p"·data-group-id="0828983837-3">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Channel·allocator"</span><span·class="p"·data-group-id="0828983837-3">}</span><span·class="p">,</span><span·class="w"> |
| 376 | ··</span><span·class="p"·data-group-id=" | 376 | ··</span><span·class="p"·data-group-id="0828983837-4">{</span><span·class="ss">vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"2"</span><span·class="p"·data-group-id="0828983837-4">}</span><span·class="p">,</span><span·class="w"> |
| 377 | ··</span><span·class="p"·data-group-id=" | 377 | ··</span><span·class="p"·data-group-id="0828983837-5">{</span><span·class="ss">modules</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0828983837-6">[</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch_sup<[·...·truncated·by·diffoscope;·len:·175,·SHA:·902f3dd33c2b09498711c7642f3cf4166dff1f683438727904fbd29f50cb7819·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 378 | ··</span><span·class="p"·data-group-id=" | 378 | ··</span><span·class="p"·data-group-id="0828983837-7">{</span><span·class="ss">registered</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0828983837-8">[</span><span·class="ss">ch3</span><span·class="p"·data-group-id="0828983837-8">]</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·424639380df1f7a068c48d08198ca5b1b82c434d725f86ce389f68074ec31f7e·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 379 | ··</span><span·class="p"·data-group-id=" | 379 | ··</span><span·class="p"·data-group-id="0828983837-9">{</span><span·class="ss">applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0828983837-10">[</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">s[·...·truncated·by·diffoscope;·len:·183,·SHA:·ac633d7e4c2e406d0af4a8c8e7a3a0a01561560b250c96cadc934285383e7ca6·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 380 | ··</span><span·class="p"·data-group-id=" | 380 | ··</span><span·class="p"·data-group-id="0828983837-11">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0828983837-12">{</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="p"·data-group-id="0828983837-13">[</s[·...·truncated·by·diffoscope;·len:·153,·SHA:·e058e7551d4be50577550b82eea2dd2a2d248de7ef288ef526613c93e9948ed6·...·]-11">}</span><span·class="w"> |
| 381 | ·</span><span·class="p"·data-group-id=" | 381 | ·</span><span·class="p"·data-group-id="0828983837-2">]</span><span·class="p"·data-group-id="0828983837-1">}</span><span·class="p">.</span></code></pre><p>To·upgrade·<code·class="inline">ch_app</code>·from·<code·class="inline">"1"</code>·to·<code·class="inline">"2"</code>·(and·to·downgrade·from·<code·class="inline">"2"</code>·to·<code·class="inline">"1"</code>), |
| 382 | you·only·need·to·load·the·new·(old)·version·of·the·<code·class="inline">ch3</code>·callback·module.·Create | 382 | you·only·need·to·load·the·new·(old)·version·of·the·<code·class="inline">ch3</code>·callback·module.·Create |
| 383 | the·application·upgrade·file·<code·class="inline">ch_app.appup</code>·in·the·<code·class="inline">ebin</code>·directory:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 383 | the·application·upgrade·file·<code·class="inline">ch_app.appup</code>·in·the·<code·class="inline">ebin</code>·directory:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9140351105-1">{</span><span·class="s">"2"</span><span·class="p">,</span><span·class="w"> |
| 384 | ·</span><span·class="p"·data-group-id=" | 384 | ·</span><span·class="p"·data-group-id="9140351105-2">[</span><span·class="p"·data-group-id="9140351105-3">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9140351105-4">[</span><span·class="p"·data-group-id="9140351105-5"[·...·truncated·by·diffoscope;·len:·319,·SHA:·848996c77e8d3b4d730cba9e761a193b665dd01881375179eea1c700e1b29ddd·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 385 | ·</span><span·class="p"·data-group-id=" | 385 | ·</span><span·class="p"·data-group-id="9140351105-6">[</span><span·class="p"·data-group-id="9140351105-7">{</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9140351105-8">[</span><span·class="p"·data-group-id="9140351105-9"[·...·truncated·by·diffoscope;·len:·319,·SHA:·db3bd95d53de11dbca02434a307b226ffc60c024f2af423b800e62b308ab5adb·...·]-6">]</span><span·class="w"> |
| 386 | </span><span·class="p"·data-group-id=" | 386 | </span><span·class="p"·data-group-id="9140351105-1">}</span><span·class="p">.</span></code></pre><p><a·href=""·id="relup"></a></p><h2·id="release-upgrade-file"·class="section-heading"> |
| 387 | ··<a·href="#release-upgrade-file"·class="hover-link"> | 387 | ··<a·href="#release-upgrade-file"·class="hover-link"> |
| 388 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 388 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 389 | ··</a> | 389 | ··</a> |
| 390 | ··<span·class="text">Release·Upgrade·File</span> | 390 | ··<span·class="text">Release·Upgrade·File</span> |
| 391 | </h2> | 391 | </h2> |
| 392 | <p>To·define·how·to·upgrade/downgrade·between·the·new·version·and·previous·versions | 392 | <p>To·define·how·to·upgrade/downgrade·between·the·new·version·and·previous·versions |
| 393 | of·a·release,·a·<em>release·upgrade·file</em>,·or·in·short·<code·class="inline">.relup</code>·file,·is·to·be | 393 | of·a·release,·a·<em>release·upgrade·file</em>,·or·in·short·<code·class="inline">.relup</code>·file,·is·to·be |
| Offset 405, 22 lines modified | Offset 405, 22 lines modified | ||
| 405 | are·to·be·added·and·deleted,·and·which·applications·that·must·be·upgraded·and/or | 405 | are·to·be·added·and·deleted,·and·which·applications·that·must·be·upgraded·and/or |
| 406 | downgraded.·The·instructions·for·this·are·fetched·from·the·<code·class="inline">.appup</code>·files·and | 406 | downgraded.·The·instructions·for·this·are·fetched·from·the·<code·class="inline">.appup</code>·files·and |
| 407 | transformed·into·a·single·list·of·low-level·instructions·in·the·right·order.</p><p>If·the·<code·class="inline">relup</code>·file·is·relatively·simple,·it·can·be·created·manually.·It·is·only | 407 | transformed·into·a·single·list·of·low-level·instructions·in·the·right·order.</p><p>If·the·<code·class="inline">relup</code>·file·is·relatively·simple,·it·can·be·created·manually.·It·is·only |
| 408 | to·contain·low-level·instructions.</p><p>For·details·about·the·syntax·and·contents·of·the·release·upgrade·file,·see | 408 | to·contain·low-level·instructions.</p><p>For·details·about·the·syntax·and·contents·of·the·release·upgrade·file,·see |
| 409 | <a·href="../../lib/sasl-4.2.2/doc/html/relup.html"><code·class="inline">relup</code></a>·in·SASL.</p><p><em>Example,·continued·from·the·previous·section:</em>·You·have·a·new·version·"2"·of | 409 | <a·href="../../lib/sasl-4.2.2/doc/html/relup.html"><code·class="inline">relup</code></a>·in·SASL.</p><p><em>Example,·continued·from·the·previous·section:</em>·You·have·a·new·version·"2"·of |
| 410 | <code·class="inline">ch_app</code>·and·an·<code·class="inline">.appup</code>·file.·A·new·version·of·the·<code·class="inline">.rel</code>·file·is·also·needed. | 410 | <code·class="inline">ch_app</code>·and·an·<code·class="inline">.appup</code>·file.·A·new·version·of·the·<code·class="inline">.rel</code>·file·is·also·needed. |
| 411 | This·time·the·file·is·called·<code·class="inline">ch_rel-2.rel</code>·and·the·release·version·string·is | 411 | This·time·the·file·is·called·<code·class="inline">ch_rel-2.rel</code>·and·the·release·version·string·is |
| 412 | changed·from·"A"·to·"B":</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 412 | changed·from·"A"·to·"B":</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5848256147-1">{</span><span·class="ss">release</span><span·class="p">,</span><span·class="w"> |
| 413 | ·</span><span·class="p"·data-group-id=" | 413 | ·</span><span·class="p"·data-group-id="5848256147-2">{</span><span·class="s">"ch_rel"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"B"</span><span·class="p"·data-group-id="5848256147-2">}</span><span·class="p">,</span><span·class="w"> |
| 414 | ·</span><span·class="p"·data-group-id=" | 414 | ·</span><span·class="p"·data-group-id="5848256147-3">{</span><span·class="ss">erts</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"14.2.5"</span><span·class="p"·data-group-id="5848256147-3">}</span><span·class="p">,</span><span·class="w"> |
| 415 | ·</span><span·class="p"·data-group-id=" | 415 | ·</span><span·class="p"·data-group-id="5848256147-4">[</span><span·class="p"·data-group-id="5848256147-5">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"9.2.4"</span><span·class="p"·data-group-id="5848256147-5">}</span><span·class="p">,</span><span·class="w"> |
| 416 | ··</span><span·class="p"·data-group-id=" | 416 | ··</span><span·class="p"·data-group-id="5848256147-6">{</span><span·class="ss">stdlib</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"5.2.3"</span><span·class="p"·data-group-id="5848256147-6">}</span><span·class="p">,</span><span·class="w"> |
| 417 | ··</span><span·class="p"·data-group-id=" | 417 | ··</span><span·class="p"·data-group-id="5848256147-7">{</span><span·class="ss">sasl</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"4.2.1"</span><span·class="p"·data-group-id="5848256147-7">}</span><span·class="p">,</span><span·class="w"> |
| 418 | ··</span><span·class="p"·data-group-id=" | 418 | ··</span><span·class="p"·data-group-id="5848256147-8">{</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"2"</span><span·class="p"·data-group-id="5848256147-8">}</span><span·class="p"·data-group-id="5848256147-4">]</span><span·class="w"> |
| 419 | </span><span·class="p"·data-group-id=" | 419 | </span><span·class="p"·data-group-id="5848256147-1">}</span><span·class="p">.</span></code></pre><p>Now·the·<code·class="inline">relup</code>·file·can·be·generated:</p><pre><code·class="text">1>·systools:make_relup("ch_rel-2",·["ch_rel-1"],·["ch_rel-1"]). |
| 420 | ok</code></pre><p>This·generates·a·<code·class="inline">relup</code>·file·with·instructions·for·how·to·upgrade·from·version | 420 | ok</code></pre><p>This·generates·a·<code·class="inline">relup</code>·file·with·instructions·for·how·to·upgrade·from·version |
| 421 | "A"·("ch_rel-1")·to·version·"B"·("ch_rel-2")·and·how·to·downgrade·from·version | 421 | "A"·("ch_rel-1")·to·version·"B"·("ch_rel-2")·and·how·to·downgrade·from·version |
| 422 | "B"·to·version·"A".</p><p>Both·the·old·and·new·versions·of·the·<code·class="inline">.app</code>·and·<code·class="inline">.rel</code>·files·must·be·in·the·code | 422 | "B"·to·version·"A".</p><p>Both·the·old·and·new·versions·of·the·<code·class="inline">.app</code>·and·<code·class="inline">.rel</code>·files·must·be·in·the·code |
| 423 | path,·as·well·as·the·<code·class="inline">.appup</code>·and·(new)·<code·class="inline">.beam</code>·files.·The·code·path·can·be | 423 | path,·as·well·as·the·<code·class="inline">.appup</code>·and·(new)·<code·class="inline">.beam</code>·files.·The·code·path·can·be |
| 424 | extended·by·using·the·option·<code·class="inline">path</code>:</p><pre><code·class="text">1>·systools:make_relup("ch_rel-2",·["ch_rel-1"],·["ch_rel-1"], | 424 | extended·by·using·the·option·<code·class="inline">path</code>:</p><pre><code·class="text">1>·systools:make_relup("ch_rel-2",·["ch_rel-1"],·["ch_rel-1"], |
| 425 | [{path,["../ch_rel-1", | 425 | [{path,["../ch_rel-1", |
| 426 | "../ch_rel-1/lib/ch_app-1/ebin"]}]). | 426 | "../ch_rel-1/lib/ch_app-1/ebin"]}]). |
| Offset 433, 25 lines modified | Offset 433, 25 lines modified | ||
| 433 | <p>When·you·have·made·a·new·version·of·a·release,·a·release·package·can·be·created | 433 | <p>When·you·have·made·a·new·version·of·a·release,·a·release·package·can·be·created |
| 434 | with·this·new·version·and·transferred·to·the·target·environment.</p><p>To·install·the·new·version·of·the·release·in·runtime,·the·<em>release | 434 | with·this·new·version·and·transferred·to·the·target·environment.</p><p>To·install·the·new·version·of·the·release·in·runtime,·the·<em>release |
| 435 | handler</em>·is·used.·This·is·a·process·belonging·to·the·SASL·application, | 435 | handler</em>·is·used.·This·is·a·process·belonging·to·the·SASL·application, |
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| 136 | ··<a·href="#release-resource-file"·class="hover-link"> | 136 | ··<a·href="#release-resource-file"·class="hover-link"> |
| 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 138 | ··</a> | 138 | ··</a> |
| 139 | ··<span·class="text">Release·Resource·File</span> | 139 | ··<span·class="text">Release·Resource·File</span> |
| 140 | </h2> | 140 | </h2> |
| 141 | <p>To·define·a·release,·create·a·<em>release·resource·file</em>,·or·in·short·a·<code·class="inline">.rel</code> | 141 | <p>To·define·a·release,·create·a·<em>release·resource·file</em>,·or·in·short·a·<code·class="inline">.rel</code> |
| 142 | file.·In·the·file,·specify·the·name·and·version·of·the·release,·which·ERTS | 142 | file.·In·the·file,·specify·the·name·and·version·of·the·release,·which·ERTS |
| 143 | version·it·is·based·on,·and·which·applications·it·consists·of:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 143 | version·it·is·based·on,·and·which·applications·it·consists·of:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5566232946-1">{</span><span·class="ss">release</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5566232946-2">{</span><span·class="n">Name</span><span·class="p">,</span><span·class="n">Vsn</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·273,·SHA:·2f5c72877d462e828d4f9acbe872ab339cba50d8ee5fc1483938b7f38f8bdbf9·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 144 | ·</span><span·class="p"·data-group-id=" | 144 | ·</span><span·class="p"·data-group-id="5566232946-4">[</span><span·class="p"·data-group-id="5566232946-5">{</span><span·class="n">Application1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">AppVsn1</span><span·class="p"·data-group-id="5566232946-5">}</span><span·class="p">,</span><span·class="w"> |
| 145 | ···</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 145 | ···</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 146 | ··</span><span·class="p"·data-group-id=" | 146 | ··</span><span·class="p"·data-group-id="5566232946-6">{</span><span·class="n">ApplicationN</span><span·class="p">,</span><span·class="w">·</span><span·class="n">AppVsnN</span><span·class="p"·data-group-id="5566232946-6">}</span><span·class="p"·data-group-id="5566232946-4">]</span><span·class="p"[·...·truncated·by·diffoscope;·len:·26,·SHA:·b4c3bbb64cd1ef71a159b773c684956f5e8294c1b44898f2a659d2dee4420bc1·...·]-1">}</span><span·class="p">.</span></code></pre><p><code·class="inline">Name</code>,·<code·class="inline">Vsn</code>,·<code·class="inline">EVsn</code>,·and·<code·class="inline">AppVsn</code>·are·strings.</p><p>The·file·must·be·named·<code·class="inline">Rel.rel</code>,·where·<code·class="inline">Rel</code>·is·a·unique·name.</p><p>Each·<code·class="inline">Application</code>·(atom)·and·<code·class="inline">AppVsn</code>·is·the·name·and·version·of·an·application |
| 147 | included·in·the·release.·The·minimal·release·based·on·Erlang/OTP·consists·of·the | 147 | included·in·the·release.·The·minimal·release·based·on·Erlang/OTP·consists·of·the |
| 148 | Kernel·and·STDLIB·applications,·so·these·applications·must·be·included·in·the | 148 | Kernel·and·STDLIB·applications,·so·these·applications·must·be·included·in·the |
| 149 | list.</p><p>If·the·release·is·to·be·upgraded,·it·must·also·include·the·SASL·application.</p><p><a·href=""·id="ch_rel"></a></p><p>Here·is·an·example·showing·the·<code·class="inline">.app</code>·file·for·a·release·of·<code·class="inline">ch_app</code>·from | 149 | list.</p><p>If·the·release·is·to·be·upgraded,·it·must·also·include·the·SASL·application.</p><p><a·href=""·id="ch_rel"></a></p><p>Here·is·an·example·showing·the·<code·class="inline">.app</code>·file·for·a·release·of·<code·class="inline">ch_app</code>·from |
| 150 | the·<a·href="applications.html#ch_app">Applications</a>·section:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 150 | the·<a·href="applications.html#ch_app">Applications</a>·section:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1083534127-1">{</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w"> |
| 151 | ·</span><span·class="p"·data-group-id=" | 151 | ·</span><span·class="p"·data-group-id="1083534127-2">[</span><span·class="p"·data-group-id="1083534127-3">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Channel·allocator"</span><span·class="p"·data-group-id="1083534127-3">}</span><span·class="p">,</span><span·class="w"> |
| 152 | ··</span><span·class="p"·data-group-id=" | 152 | ··</span><span·class="p"·data-group-id="1083534127-4">{</span><span·class="ss">vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"1"</span><span·class="p"·data-group-id="1083534127-4">}</span><span·class="p">,</span><span·class="w"> |
| 153 | ··</span><span·class="p"·data-group-id=" | 153 | ··</span><span·class="p"·data-group-id="1083534127-5">{</span><span·class="ss">modules</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1083534127-6">[</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ch_sup<[·...·truncated·by·diffoscope;·len:·175,·SHA:·80a69349344b4dcac588c4963a73d70e2beea6fdff456847c8b2e17fd94b1187·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 154 | ··</span><span·class="p"·data-group-id=" | 154 | ··</span><span·class="p"·data-group-id="1083534127-7">{</span><span·class="ss">registered</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1083534127-8">[</span><span·class="ss">ch3</span><span·class="p"·data-group-id="1083534127-8">]</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·efe2659d6ee92f0c6efb60337adb3e7fc496f6eaf7249b6182ad79c22e96b078·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 155 | ··</span><span·class="p"·data-group-id=" | 155 | ··</span><span·class="p"·data-group-id="1083534127-9">{</span><span·class="ss">applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1083534127-10">[</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">s[·...·truncated·by·diffoscope;·len:·183,·SHA:·6acaa75b39354ba61dc0b9235151c34e4883e0a7ca1d504bfc2bd3d8fac37cf4·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 156 | ··</span><span·class="p"·data-group-id=" | 156 | ··</span><span·class="p"·data-group-id="1083534127-11">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1083534127-12">{</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="p"·data-group-id="1083534127-13">[</s[·...·truncated·by·diffoscope;·len:·153,·SHA:·910ef5ebcb3517718c0759b7f3dcae9eaa501f77ff81bb7a9cab34f9e9b39448·...·]-11">}</span><span·class="w"> |
| 157 | ·</span><span·class="p"·data-group-id=" | 157 | ·</span><span·class="p"·data-group-id="1083534127-2">]</span><span·class="p"·data-group-id="1083534127-1">}</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">.rel</code>·file·must·also·contain·<code·class="inline">kernel</code>,·<code·class="inline">stdlib</code>,·and·<code·class="inline">sasl</code>,·as·these |
| 158 | applications·are·required·by·<code·class="inline">ch_app</code>.·The·file·is·called·<code·class="inline">ch_rel-1.rel</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 158 | applications·are·required·by·<code·class="inline">ch_app</code>.·The·file·is·called·<code·class="inline">ch_rel-1.rel</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1095606340-1">{</span><span·class="ss">release</span><span·class="p">,</span><span·class="w"> |
| 159 | ·</span><span·class="p"·data-group-id=" | 159 | ·</span><span·class="p"·data-group-id="1095606340-2">{</span><span·class="s">"ch_rel"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"A"</span><span·class="p"·data-group-id="1095606340-2">}</span><span·class="p">,</span><span·class="w"> |
| 160 | ·</span><span·class="p"·data-group-id=" | 160 | ·</span><span·class="p"·data-group-id="1095606340-3">{</span><span·class="ss">erts</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"14.2.5"</span><span·class="p"·data-group-id="1095606340-3">}</span><span·class="p">,</span><span·class="w"> |
| 161 | ·</span><span·class="p"·data-group-id=" | 161 | ·</span><span·class="p"·data-group-id="1095606340-4">[</span><span·class="p"·data-group-id="1095606340-5">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"9.2.4"</span><span·class="p"·data-group-id="1095606340-5">}</span><span·class="p">,</span><span·class="w"> |
| 162 | ··</span><span·class="p"·data-group-id=" | 162 | ··</span><span·class="p"·data-group-id="1095606340-6">{</span><span·class="ss">stdlib</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"5.2.3"</span><span·class="p"·data-group-id="1095606340-6">}</span><span·class="p">,</span><span·class="w"> |
| 163 | ··</span><span·class="p"·data-group-id=" | 163 | ··</span><span·class="p"·data-group-id="1095606340-7">{</span><span·class="ss">sasl</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"4.2.1"</span><span·class="p"·data-group-id="1095606340-7">}</span><span·class="p">,</span><span·class="w"> |
| 164 | ··</span><span·class="p"·data-group-id=" | 164 | ··</span><span·class="p"·data-group-id="1095606340-8">{</span><span·class="ss">ch_app</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"1"</span><span·class="p"·data-group-id="1095606340-8">}</span><span·class="p"·data-group-id="1095606340-4">]</span><span·class="w"> |
| 165 | </span><span·class="p"·data-group-id=" | 165 | </span><span·class="p"·data-group-id="1095606340-1">}</span><span·class="p">.</span></code></pre><p><a·href=""·id="boot"></a></p><h2·id="generating-boot-scripts"·class="section-heading"> |
| 166 | ··<a·href="#generating-boot-scripts"·class="hover-link"> | 166 | ··<a·href="#generating-boot-scripts"·class="hover-link"> |
| 167 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 167 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 168 | ··</a> | 168 | ··</a> |
| 169 | ··<span·class="text">Generating·Boot·Scripts</span> | 169 | ··<span·class="text">Generating·Boot·Scripts</span> |
| 170 | </h2> | 170 | </h2> |
| 171 | <p><a·href="../../lib/sasl-4.2.2/doc/html/systools.html"><code·class="inline">systools</code></a>·in·the·SASL·application·includes·tools·to·build·and·check | 171 | <p><a·href="../../lib/sasl-4.2.2/doc/html/systools.html"><code·class="inline">systools</code></a>·in·the·SASL·application·includes·tools·to·build·and·check |
| 172 | releases.·The·functions·read·the·<code·class="inline">.rel</code>·and·<code·class="inline">.app</code>·files·and·perform | 172 | releases.·The·functions·read·the·<code·class="inline">.rel</code>·and·<code·class="inline">.app</code>·files·and·perform |
| Offset 190, 17 lines modified | Offset 190, 17 lines modified | ||
| 190 | ··<a·href="#creating-a-release-package"·class="hover-link"> | 190 | ··<a·href="#creating-a-release-package"·class="hover-link"> |
| 191 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 191 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 192 | ··</a> | 192 | ··</a> |
| 193 | ··<span·class="text">Creating·a·Release·Package</span> | 193 | ··<span·class="text">Creating·a·Release·Package</span> |
| 194 | </h2> | 194 | </h2> |
| 195 | <p>The·<a·href="../../lib/sasl-4.2.2/doc/html/systools.html#make_tar/2"><code·class="inline">systools:make_tar/1,2</code></a>·function·takes·a | 195 | <p>The·<a·href="../../lib/sasl-4.2.2/doc/html/systools.html#make_tar/2"><code·class="inline">systools:make_tar/1,2</code></a>·function·takes·a |
| 196 | <code·class="inline">.rel</code>·file·as·input·and·creates·a·zipped·tar·file·with·the·code·for | 196 | <code·class="inline">.rel</code>·file·as·input·and·creates·a·zipped·tar·file·with·the·code·for |
| 197 | the·specified·applications,·a·<em>release·package</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">systools</span><span·class="p">:</span><span·class="nf">make_script</span><span·class="p"·data-group-id=" | 197 | the·specified·applications,·a·<em>release·package</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">systools</span><span·class="p">:</span><span·class="nf">make_script</span><span·class="p"·data-group-id="6848091033-1">(</span><span·class="s">"ch_rel-1"</span><span·class="p"·data-group-id="6848091033-1">)</span><span·class="p">.</span><span·class="w"> |
| 198 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 198 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 199 | 2>·</span><span·class="nc">systools</span><span·class="p">:</span><span·class="nf">make_tar</span><span·class="p"·data-group-id=" | 199 | 2>·</span><span·class="nc">systools</span><span·class="p">:</span><span·class="nf">make_tar</span><span·class="p"·data-group-id="6848091033-2">(</span><span·class="s">"ch_rel-1"</span><span·class="p"·data-group-id="6848091033-2">)</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="ss">ok</span></code></pre><p>The·release·package·by·default·contains:</p><ul><li>The·<code·class="inline">.app</code>·files</li><li>The·<code·class="inline">.rel</code>·file</li><li>The·object·code·for·all·applications,·structured·according·to·the | 200 | </span><span·class="ss">ok</span></code></pre><p>The·release·package·by·default·contains:</p><ul><li>The·<code·class="inline">.app</code>·files</li><li>The·<code·class="inline">.rel</code>·file</li><li>The·object·code·for·all·applications,·structured·according·to·the |
| 201 | <a·href="applications.html#app_dir">application·directory·structure</a></li><li>The·binary·boot·script·renamed·to·<code·class="inline">start.boot</code></li></ul><pre><code·class="text">%·tar·tf·ch_rel-1.tar | 201 | <a·href="applications.html#app_dir">application·directory·structure</a></li><li>The·binary·boot·script·renamed·to·<code·class="inline">start.boot</code></li></ul><pre><code·class="text">%·tar·tf·ch_rel-1.tar |
| 202 | lib/kernel-9.2.4/ebin/kernel.app | 202 | lib/kernel-9.2.4/ebin/kernel.app |
| 203 | lib/kernel-9.2.4/ebin/application.beam | 203 | lib/kernel-9.2.4/ebin/application.beam |
| 204 | ... | 204 | ... |
| 205 | lib/stdlib-5.2.3/ebin/stdlib.app | 205 | lib/stdlib-5.2.3/ebin/stdlib.app |
| 206 | lib/stdlib-5.2.3/ebin/argparse.beam | 206 | lib/stdlib-5.2.3/ebin/argparse.beam |
| Offset 351, 15 lines modified | Offset 351, 15 lines modified | ||
| 351 | ······<p·class="built-using"> | 351 | ······<p·class="built-using"> |
| 352 | ········Built·using | 352 | ········Built·using |
| 353 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 353 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 354 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 354 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 355 | ······</p> | 355 | ······</p> |
| 356 | <p>Copyright·©·1996-202 | 356 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 357 | ····</footer> | 357 | ····</footer> |
| 358 | ··</div> | 358 | ··</div> |
| 359 | </main> | 359 | </main> |
| 360 | </div> | 360 | </div> |
| 361 | <script> | 361 | <script> |
| 362 | ··function·mermaidLoaded()·{ | 362 | ··function·mermaidLoaded()·{ |
| 363 | ····mermaid.initialize({ | 363 | ····mermaid.initialize({ |
| Offset 128, 68 lines modified | Offset 128, 68 lines modified | ||
| 128 | </h2> | 128 | </h2> |
| 129 | <p>Before·improving·the·messenger·program,·let·us·look·at·some·general·principles, | 129 | <p>Before·improving·the·messenger·program,·let·us·look·at·some·general·principles, |
| 130 | using·the·ping·pong·program·as·an·example.·Recall·that·when·"ping"·finishes,·it | 130 | using·the·ping·pong·program·as·an·example.·Recall·that·when·"ping"·finishes,·it |
| 131 | tells·"pong"·that·it·has·done·so·by·sending·the·atom·<code·class="inline">finished</code>·as·a·message·to | 131 | tells·"pong"·that·it·has·done·so·by·sending·the·atom·<code·class="inline">finished</code>·as·a·message·to |
| 132 | "pong"·so·that·"pong"·can·also·finish.·Another·way·to·let·"pong"·finish·is·to | 132 | "pong"·so·that·"pong"·can·also·finish.·Another·way·to·let·"pong"·finish·is·to |
| 133 | make·"pong"·exit·if·it·does·not·receive·a·message·from·ping·within·a·certain | 133 | make·"pong"·exit·if·it·does·not·receive·a·message·from·ping·within·a·certain |
| 134 | time.·This·can·be·done·by·adding·a·<em>time-out</em>·to·<code·class="inline">pong</code>·as·shown·in·the | 134 | time.·This·can·be·done·by·adding·a·<em>time-out</em>·to·<code·class="inline">pong</code>·as·shown·in·the |
| 135 | following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 135 | following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="5114810619-1">(</span><span·class="ss">tut19</span><span·class="p"·data-group-id="5114810619-1">)</span><span·class="p">.</span><span·class="w"> |
| 136 | </span><span·class="w"> | 136 | </span><span·class="w"> |
| 137 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 137 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5114810619-2">(</span><span·class="p"·data-group-id="5114810619-3">[</span><span·class="ss">start_ping</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start_pong</span><span·class="p">[·...·truncated·by·diffoscope;·len:·377,·SHA:·ded4f117f01d6999a14a8012da1096d5fdd770027ba7985a05ff93af026697ef·...·]9-2">)</span><span·class="p">.</span><span·class="w"> |
| 138 | </span><span·class="nf">ping</span><span·class="p"·data-group-id=" | 138 | </span><span·class="nf">ping</span><span·class="p"·data-group-id="5114810619-4">(</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pong_Node</span><span·class="p"·data-group-id="5114810619-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 139 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 139 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5114810619-5">(</span><span·class="s">"ping·finished</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5114810619-6">[</span><span·class="p"·data-group-id="51148[·...·truncated·by·diffoscope;·len:·57,·SHA:·df96009c14fcb482df6d97e848ec7b75331fe52d3230d06c633302b52b058999·...·]9-5">)</span><span·class="p">;</span><span·class="w"> |
| 140 | </span><span·class="nf">ping</span><span·class="p"·data-group-id=" | 140 | </span><span·class="nf">ping</span><span·class="p"·data-group-id="5114810619-7">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pong_Node</span><span·class="p"·data-group-id="5114810619-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 141 | ····</span><span·class="p"·data-group-id=" | 141 | ····</span><span·class="p"·data-group-id="5114810619-8">{</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pong_Node</span><span·class="p"·data-group-id="5114810619-8">}</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·304,·SHA:·9d180cf33379d4e307b1497b160d133d4360b273a4b080b11e968ed458a3057b·...·]9-9">}</span><span·class="p">,</span><span·class="w"> |
| 142 | ····</span><span·class="k">receive</span><span·class="w"> | 142 | ····</span><span·class="k">receive</span><span·class="w"> |
| 143 | ········</span><span·class="ss">pong</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 143 | ········</span><span·class="ss">pong</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 144 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 144 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5114810619-11">(</span><span·class="s">"Ping·received·pong</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5114810619-12">[</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·65,·SHA:·55e4615f1990a63ea15c503aada76ed670463a0f54f05b211e1fae6993438c0a·...·]9-11">)</span><span·class="w"> |
| 145 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 145 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 146 | ····</span><span·class="nf">ping</span><span·class="p"·data-group-id=" | 146 | ····</span><span·class="nf">ping</span><span·class="p"·data-group-id="5114810619-13">(</span><span·class="n">N</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pong_Node</span><span·class="p"·data-group-id="5[·...·truncated·by·diffoscope;·len:·8,·SHA:·37a21aad7c3375e343fa5fbfab1e5823c1b707de4990744556beeda671aff77b·...·]9-13">)</span><span·class="p">.</span><span·class="w"> |
| 147 | </span><span·class="nf">pong</span><span·class="p"·data-group-id=" | 147 | </span><span·class="nf">pong</span><span·class="p"·data-group-id="5114810619-14">(</span><span·class="p"·data-group-id="5114810619-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 148 | ····</span><span·class="k">receive</span><span·class="w"> | 148 | ····</span><span·class="k">receive</span><span·class="w"> |
| 149 | ········</span><span·class="p"·data-group-id=" | 149 | ········</span><span·class="p"·data-group-id="5114810619-15">{</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ping_PID</span><span·class="p"·data-group-id="5114810619-15">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 150 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 150 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5114810619-16">(</span><span·class="s">"Pong·received·ping</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5114810619-17">[</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·65,·SHA:·6177308df9c5e2e2d36ff7f8a896e31b7fbb252de9ac17d18925337772337ae6·...·]9-16">)</span><span·class="p">,</span><span·class="w"> |
| 151 | ············</span><span·class="n">Ping_PID</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w"> | 151 | ············</span><span·class="n">Ping_PID</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w"> |
| 152 | ············</span><span·class="nf">pong</span><span·class="p"·data-group-id=" | 152 | ············</span><span·class="nf">pong</span><span·class="p"·data-group-id="5114810619-18">(</span><span·class="p"·data-group-id="5114810619-18">)</span><span·class="w"> |
| 153 | ····</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 153 | ····</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 154 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 154 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5114810619-19">(</span><span·class="s">"Pong·timed·out</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5114810619-20">[</span><span·class="p"·data-group-id="51[·...·truncated·by·diffoscope;·len:·61,·SHA:·9e5865abe47d16fce62436f35b382bd1d3e69ce2c688b3abd93ab90fb8926b4e·...·]9-19">)</span><span·class="w"> |
| 155 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 155 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 156 | </span><span·class="nf">start_pong</span><span·class="p"·data-group-id=" | 156 | </span><span·class="nf">start_pong</span><span·class="p"·data-group-id="5114810619-21">(</span><span·class="p"·data-group-id="5114810619-21">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 157 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 157 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id="5114810619-22">(</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="5114810619-23">(</span><span·class="ss">tut19</span><span·class="p">,</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·281,·SHA:·c3e06e6354cf7a3fcb7b038011fcb94402724e91e3418aaf55f6c066075c74b3·...·]9-22">)</span><span·class="p">.</span><span·class="w"> |
| 158 | </span><span·class="nf">start_ping</span><span·class="p"·data-group-id=" | 158 | </span><span·class="nf">start_ping</span><span·class="p"·data-group-id="5114810619-25">(</span><span·class="n">Pong_Node</span><span·class="p"·data-group-id="5114810619-25">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 159 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 159 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="5114810619-26">(</span><span·class="ss">tut19</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5114810619-27">[</span><span·class="mi">3</span><[·...·truncated·by·diffoscope;·len:·173,·SHA:·6fc6f662ada43d0945f6653eea38534c72641eb3506a320da69c83cc3ca12c43·...·]9-26">)</span><span·class="p">.</span></code></pre><p>After·this·is·compiled·and·the·file·<code·class="inline">tut19.beam</code>·is·copied·to·the·necessary |
| 160 | directories,·the·following·is·seen·on·(pong@kosken):</p><pre><code·class="text">(pong@kosken)1>·tut19:start_pong(). | 160 | directories,·the·following·is·seen·on·(pong@kosken):</p><pre><code·class="text">(pong@kosken)1>·tut19:start_pong(). |
| 161 | true | 161 | true |
| 162 | Pong·received·ping | 162 | Pong·received·ping |
| 163 | Pong·received·ping | 163 | Pong·received·ping |
| 164 | Pong·received·ping | 164 | Pong·received·ping |
| 165 | Pong·timed·out</code></pre><p>And·the·following·is·seen·on·(ping@gollum):</p><pre><code·class="text">(ping@gollum)1>·tut19:start_ping(pong@kosken). | 165 | Pong·timed·out</code></pre><p>And·the·following·is·seen·on·(ping@gollum):</p><pre><code·class="text">(ping@gollum)1>·tut19:start_ping(pong@kosken). |
| 166 | <0.36.0> | 166 | <0.36.0> |
| 167 | Ping·received·pong | 167 | Ping·received·pong |
| 168 | Ping·received·pong | 168 | Ping·received·pong |
| 169 | Ping·received·pong | 169 | Ping·received·pong |
| 170 | ping·finished</code></pre><p>The·time-out·is·set·in:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">pong</span><span·class="p"·data-group-id="3 | 170 | ping·finished</code></pre><p>The·time-out·is·set·in:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">pong</span><span·class="p"·data-group-id="3161868340-1">(</span><span·class="p"·data-group-id="3161868340-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 171 | ····</span><span·class="k">receive</span><span·class="w"> | 171 | ····</span><span·class="k">receive</span><span·class="w"> |
| 172 | ········</span><span·class="p"·data-group-id="3 | 172 | ········</span><span·class="p"·data-group-id="3161868340-2">{</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ping_PID</span><span·class="p"·data-group-id="3161868340-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 173 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3 | 173 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3161868340-3">(</span><span·class="s">"Pong·received·ping</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3161868340-4">[</span><span·class="p"·data-group-id="3[·...·truncated·by·diffoscope;·len:·62,·SHA:·9ba5efb61ee974c194c0b831166b0400664028e0db5d791745392c2bfc1c7cd8·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 174 | ············</span><span·class="n">Ping_PID</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w"> | 174 | ············</span><span·class="n">Ping_PID</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w"> |
| 175 | ············</span><span·class="nf">pong</span><span·class="p"·data-group-id="3 | 175 | ············</span><span·class="nf">pong</span><span·class="p"·data-group-id="3161868340-5">(</span><span·class="p"·data-group-id="3161868340-5">)</span><span·class="w"> |
| 176 | ····</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 176 | ····</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3 | 177 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3161868340-6">(</span><span·class="s">"Pong·timed·out</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3161868340-7">[</span><span·class="p"·data-group-id="31618[·...·truncated·by·diffoscope;·len:·58,·SHA:·5223e3308400712f7b327cf322424de18746c98a0cdd3e2ed216f452c509802c·...·]-6">)</span><span·class="w"> |
| 178 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·time-out·(<code·class="inline">after·5000</code>)·is·started·when·<code·class="inline">receive</code>·is·entered.·The·time-out | 178 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·time-out·(<code·class="inline">after·5000</code>)·is·started·when·<code·class="inline">receive</code>·is·entered.·The·time-out |
| 179 | is·canceled·if·<code·class="inline">{ping,Ping_PID}</code>·is·received.·If·<code·class="inline">{ping,Ping_PID}</code>·is·not | 179 | is·canceled·if·<code·class="inline">{ping,Ping_PID}</code>·is·received.·If·<code·class="inline">{ping,Ping_PID}</code>·is·not |
| 180 | received,·the·actions·following·the·time-out·are·done·after·5000·milliseconds. | 180 | received,·the·actions·following·the·time-out·are·done·after·5000·milliseconds. |
| 181 | <code·class="inline">after</code>·must·be·last·in·the·<code·class="inline">receive</code>,·that·is,·preceded·by·all·other·message | 181 | <code·class="inline">after</code>·must·be·last·in·the·<code·class="inline">receive</code>,·that·is,·preceded·by·all·other·message |
| 182 | reception·specifications·in·the·<code·class="inline">receive</code>.·It·is·also·possible·to·call·a | 182 | reception·specifications·in·the·<code·class="inline">receive</code>.·It·is·also·possible·to·call·a |
| 183 | function·that·returned·an·integer·for·the·time-out:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">after</span><span·class="w">·</span><span·class="nf">pong_timeout</span><span·class="p"·data-group-id=" | 183 | function·that·returned·an·integer·for·the·time-out:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">after</span><span·class="w">·</span><span·class="nf">pong_timeout</span><span·class="p"·data-group-id="9226285603-1">(</span><span·class="p"·data-group-id="9226285603-1">)</span><span·class="w">·</span><span·class="p">-></span></code></pre><p>In·general,·there·are·better·ways·than·using·time-outs·to·supervise·parts·of·a |
| 184 | distributed·Erlang·system.·Time-outs·are·usually·appropriate·to·supervise | 184 | distributed·Erlang·system.·Time-outs·are·usually·appropriate·to·supervise |
| 185 | external·events,·for·example,·if·you·have·expected·a·message·from·some·external | 185 | external·events,·for·example,·if·you·have·expected·a·message·from·some·external |
| 186 | system·within·a·specified·time.·For·example,·a·time-out·can·be·used·to·log·a | 186 | system·within·a·specified·time.·For·example,·a·time-out·can·be·used·to·log·a |
| 187 | user·out·of·the·messenger·system·if·they·have·not·accessed·it·for,·say,·ten | 187 | user·out·of·the·messenger·system·if·they·have·not·accessed·it·for,·say,·ten |
| 188 | minutes.</p><h2·id="error-handling"·class="section-heading"> | 188 | minutes.</p><h2·id="error-handling"·class="section-heading"> |
| 189 | ··<a·href="#error-handling"·class="hover-link"> | 189 | ··<a·href="#error-handling"·class="hover-link"> |
| 190 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 190 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 209, 96 lines modified | Offset 209, 96 lines modified | ||
| 209 | something·called·a·<em>signal</em>·to·all·the·processes·it·has·links·to.</p><p>The·signal·carries·information·about·the·pid·it·was·sent·from·and·the·exit | 209 | something·called·a·<em>signal</em>·to·all·the·processes·it·has·links·to.</p><p>The·signal·carries·information·about·the·pid·it·was·sent·from·and·the·exit |
| 210 | reason.</p><p>The·default·behaviour·of·a·process·that·receives·a·normal·exit·is·to·ignore·the | 210 | reason.</p><p>The·default·behaviour·of·a·process·that·receives·a·normal·exit·is·to·ignore·the |
| 211 | signal.</p><p>The·default·behaviour·in·the·two·other·cases·(that·is,·abnormal·exit)·above·is | 211 | signal.</p><p>The·default·behaviour·in·the·two·other·cases·(that·is,·abnormal·exit)·above·is |
| 212 | to:</p><ul><li>Bypass·all·messages·to·the·receiving·process.</li><li>Kill·the·receiving·process.</li><li>Propagate·the·same·error·signal·to·the·links·of·the·killed·process.</li></ul><p>In·this·way·you·can·connect·all·processes·in·a·transaction·together·using·links. | 212 | to:</p><ul><li>Bypass·all·messages·to·the·receiving·process.</li><li>Kill·the·receiving·process.</li><li>Propagate·the·same·error·signal·to·the·links·of·the·killed·process.</li></ul><p>In·this·way·you·can·connect·all·processes·in·a·transaction·together·using·links. |
| 213 | If·one·of·the·processes·exits·abnormally,·all·the·processes·in·the·transaction | 213 | If·one·of·the·processes·exits·abnormally,·all·the·processes·in·the·transaction |
| 214 | are·killed.·As·it·is·often·wanted·to·create·a·process·and·link·to·it·at·the·same | 214 | are·killed.·As·it·is·often·wanted·to·create·a·process·and·link·to·it·at·the·same |
| 215 | time,·there·is·a·special·BIF,·<a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_link/1">spawn_link</a>·that·does·the | 215 | time,·there·is·a·special·BIF,·<a·href="../../erts-15.2.3/doc/html/erlang.html#spawn_link/1">spawn_link</a>·that·does·the |
| 216 | same·as·<code·class="inline">spawn</code>,·but·also·creates·a·link·to·the·spawned·process.</p><p>Now·an·example·of·the·ping·pong·example·using·links·to·terminate·"pong":</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 216 | same·as·<code·class="inline">spawn</code>,·but·also·creates·a·link·to·the·spawned·process.</p><p>Now·an·example·of·the·ping·pong·example·using·links·to·terminate·"pong":</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="6195058906-1">(</span><span·class="ss">tut20</span><span·class="p"·data-group-id="6195058906-1">)</span><span·class="p">.</span><span·class="w"> |
| 217 | </span><span·class="w"> | 217 | </span><span·class="w"> |
| 218 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 218 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6195058906-2">(</span><span·class="p"·data-group-id="6195058906-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">··</span><span·class="ss">ping</span><span·class="p">/</span><s[·...·truncated·by·diffoscope;·len:·242,·SHA:·44dcc53691c7a036c638bc428464698dafbd0a522e0ff523c666a9031df3628b·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 219 | </span><span·class="nf">ping</span><span·class="p"·data-group-id=" | 219 | </span><span·class="nf">ping</span><span·class="p"·data-group-id="6195058906-4">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pong_Pid</span><span·class="p"·data-group-id="6195058906-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | ····</span><span·class="nf">link</span><span·class="p"·data-group-id=" | 220 | ····</span><span·class="nf">link</span><span·class="p"·data-group-id="6195058906-5">(</span><span·class="n">Pong_Pid</span><span·class="p"·data-group-id="6195058906-5">)</span><span·class="p">,</span><span·class="w"> |
| 221 | ····</span><span·class="nf">ping1</span><span·class="p"·data-group-id=" | 221 | ····</span><span·class="nf">ping1</span><span·class="p"·data-group-id="6195058906-6">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pong_Pid</span><span·class="p"·data-group-id="6195058906-6">)</span><span·class="p">.</span><span·class="w"> |
| 222 | </span><span·class="nf">ping1</span><span·class="p"·data-group-id=" | 222 | </span><span·class="nf">ping1</span><span·class="p"·data-group-id="6195058906-7">(</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p"·data-group-id="6195058906-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 223 | ····</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 223 | ····</span><span·class="nf">exit</span><span·class="p"·data-group-id="6195058906-8">(</span><span·class="ss">ping</span><span·class="p"·data-group-id="6195058906-8">)</span><span·class="p">;</span><span·class="w"> |
| 224 | </span><span·class="nf">ping1</span><span·class="p"·data-group-id=" | 224 | </span><span·class="nf">ping1</span><span·class="p"·data-group-id="6195058906-9">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pong_Pid</span><span·class="p"·data-group-id="6195058906-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 225 | ····</span><span·class="n">Pong_Pid</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 225 | ····</span><span·class="n">Pong_Pid</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="6195058906-10">{</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="6195058906-11">(</span><span·class="p"·data-group-id="6195058906-11">)</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·409bd8353dde3e44d0e810e760b0207abe0af19d62da074745f32a3078167a5e·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 226 | ····</span><span·class="k">receive</span><span·class="w"> | 226 | ····</span><span·class="k">receive</span><span·class="w"> |
| 227 | ········</span><span·class="ss">pong</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 227 | ········</span><span·class="ss">pong</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 228 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 228 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6195058906-12">(</span><span·class="s">"Ping·received·pong</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6195058906-13">[</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·66,·SHA:·d160cb467f8d589db8df5c39f62e9c11bf6edda17d6e80dda5708fc91ae7b928·...·]-12">)</span><span·class="w"> |
| 229 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 229 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 230 | ····</span><span·class="nf">ping1</span><span·class="p"·data-group-id=" | 230 | ····</span><span·class="nf">ping1</span><span·class="p"·data-group-id="6195058906-14">(</span><span·class="n">N</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pong_Pid</span><span·class="p"·data-group-id="61[·...·truncated·by·diffoscope;·len:·8,·SHA:·0fc6ca1b876212da9f6ee7be54e851ae8ec35ebb7c21a0088ca7480fed9ffc43·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 231 | </span><span·class="nf">pong</span><span·class="p"·data-group-id=" | 231 | </span><span·class="nf">pong</span><span·class="p"·data-group-id="6195058906-15">(</span><span·class="p"·data-group-id="6195058906-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ····</span><span·class="k">receive</span><span·class="w"> | 232 | ····</span><span·class="k">receive</span><span·class="w"> |
| 233 | ········</span><span·class="p"·data-group-id=" | 233 | ········</span><span·class="p"·data-group-id="6195058906-16">{</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ping_PID</span><span·class="p"·data-group-id="6195058906-16">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 234 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 234 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6195058906-17">(</span><span·class="s">"Pong·received·ping</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6195058906-18">[</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·66,·SHA:·c9eb4ca6700ef3db3339824d2e31d6a91e199ee101178c3a72cf50b90ef0e1dc·...·]-17">)</span><span·class="p">,</span><span·class="w"> |
| 235 | ············</span><span·class="n">Ping_PID</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w"> | 235 | ············</span><span·class="n">Ping_PID</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w"> |
| 236 | ············</span><span·class="nf">pong</span><span·class="p"·data-group-id=" | 236 | ············</span><span·class="nf">pong</span><span·class="p"·data-group-id="6195058906-19">(</span><span·class="p"·data-group-id="6195058906-19">)</span><span·class="w"> |
| 237 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 237 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 238 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 238 | </span><span·class="nf">start</span><span·class="p"·data-group-id="6195058906-20">(</span><span·class="n">Ping_Node</span><span·class="p"·data-group-id="6195058906-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 239 | ····</span><span·class="n">PongPID</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 239 | ····</span><span·class="n">PongPID</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="6195058906-21">(</span><span·class="ss">tut20</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6195058906-22">[</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·69,·SHA:·9188279e923f43a0184a647548050e9a8dbeaeecc77cce75e755bc3c35dfa963·...·]-21">)</span><span·class="p">,</span><span·class="w"> |
| 240 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 240 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="6195058906-23">(</span><span·class="n">Ping_Node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tut20</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·252,·SHA:·232600681e964b33a385d512af0f9a7b23b04c8bcefcf92081dcd249bed17e3c·...·]-23">)</span><span·class="p">.</span></code></pre><pre><code·class="text">(s1@bill)3>·tut20:start(s2@kosken). |
| 241 | Pong·received·ping | 241 | Pong·received·ping |
| 242 | <3820.41.0> | 242 | <3820.41.0> |
| 243 | Ping·received·pong | 243 | Ping·received·pong |
| 244 | Pong·received·ping | 244 | Pong·received·ping |
| 245 | Ping·received·pong | 245 | Ping·received·pong |
| 246 | Pong·received·ping | 246 | Pong·received·ping |
| 247 | Ping·received·pong</code></pre><p>This·is·a·slight·modification·of·the·ping·pong·program·where·both·processes·are | 247 | Ping·received·pong</code></pre><p>This·is·a·slight·modification·of·the·ping·pong·program·where·both·processes·are |
| 248 | spawned·from·the·same·<code·class="inline">start/1</code>·function,·and·the·"ping"·process·can·be·spawned | 248 | spawned·from·the·same·<code·class="inline">start/1</code>·function,·and·the·"ping"·process·can·be·spawned |
| 249 | on·a·separate·node.·Notice·the·use·of·the·<code·class="inline">link</code>·BIF.·"Ping"·calls | 249 | on·a·separate·node.·Notice·the·use·of·the·<code·class="inline">link</code>·BIF.·"Ping"·calls |
| 250 | <a·href="../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit(ping)</code></a>·when·it·finishes·and·this·causes·an·exit·signal·to·be | 250 | <a·href="../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit(ping)</code></a>·when·it·finishes·and·this·causes·an·exit·signal·to·be |
| 251 | sent·to·"pong",·which·also·terminates.</p><p>It·is·possible·to·modify·the·default·behaviour·of·a·process·so·that·it·does·not | 251 | sent·to·"pong",·which·also·terminates.</p><p>It·is·possible·to·modify·the·default·behaviour·of·a·process·so·that·it·does·not |
| 252 | get·killed·when·it·receives·abnormal·exit·signals.·Instead,·all·signals·are | 252 | get·killed·when·it·receives·abnormal·exit·signals.·Instead,·all·signals·are |
| 253 | turned·into·normal·messages·on·the·format·<code·class="inline">{'EXIT',FromPID,Reason}</code>·and·added·to | 253 | turned·into·normal·messages·on·the·format·<code·class="inline">{'EXIT',FromPID,Reason}</code>·and·added·to |
| 254 | the·end·of·the·receiving·process'·message·queue.·This·behaviour·is·set·by:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">process_flag</span><span·class="p"·data-group-id=" | 254 | the·end·of·the·receiving·process'·message·queue.·This·behaviour·is·set·by:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">process_flag</span><span·class="p"·data-group-id="6961849252-1">(</span><span·class="ss">trap_exit</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="6961849252-1">)</span></code></pre><p>There·are·several·other·process·flags,·see·<a·href="../../erts-15.2.3/doc/html/erlang.html#process_flag/2">erlang(3)</a>. |
| 255 | Changing·the·default·behaviour·of·a·process·in·this·way·is·usually·not·done·in | 255 | Changing·the·default·behaviour·of·a·process·in·this·way·is·usually·not·done·in |
| 256 | standard·user·programs,·but·is·left·to·the·supervisory·programs·in·OTP.·However, | 256 | standard·user·programs,·but·is·left·to·the·supervisory·programs·in·OTP.·However, |
| 257 | the·ping·pong·program·is·modified·to·illustrate·exit·trapping.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 257 | the·ping·pong·program·is·modified·to·illustrate·exit·trapping.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4057552496-1">(</span><span·class="ss">tut21</span><span·class="p"·data-group-id="4057552496-1">)</span><span·class="p">.</span><span·class="w"> |
| 258 | </span><span·class="w"> | 258 | </span><span·class="w"> |
| 259 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 259 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="4057552496-2">(</span><span·class="p"·data-group-id="4057552496-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">··</span><span·class="ss">ping</span><span·class="p">/</span><s[·...·truncated·by·diffoscope;·len:·242,·SHA:·cad3f06fc270b303629beba0830781d14e56cb35196bfb9b00b90e013c5e4a4b·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 260 | </span><span·class="nf">ping</span><span·class="p"·data-group-id=" | 260 | </span><span·class="nf">ping</span><span·class="p"·data-group-id="4057552496-4">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pong_Pid</span><span·class="p"·data-group-id="4057552496-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
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| 131 | ······<p·class="built-using"> | 131 | ······<p·class="built-using"> |
| 132 | ········Built·using | 132 | ········Built·using |
| 133 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 133 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 134 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 134 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 135 | ······</p> | 135 | ······</p> |
| 136 | <p>Copyright·©·1996-202 | 136 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 137 | ····</footer> | 137 | ····</footer> |
| 138 | ··</div> | 138 | ··</div> |
| 139 | </main> | 139 | </main> |
| 140 | </div> | 140 | </div> |
| 141 | <script> | 141 | <script> |
| 142 | ··function·mermaidLoaded()·{ | 142 | ··function·mermaidLoaded()·{ |
| 143 | ····mermaid.initialize({ | 143 | ····mermaid.initialize({ |
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| 128 | the·order·specified·by·this·list,·and·are·terminated·in·the·reverse·order.</p><h2·id="example"·class="section-heading"> | 128 | the·order·specified·by·this·list,·and·are·terminated·in·the·reverse·order.</p><h2·id="example"·class="section-heading"> |
| 129 | ··<a·href="#example"·class="hover-link"> | 129 | ··<a·href="#example"·class="hover-link"> |
| 130 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 130 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 131 | ··</a> | 131 | ··</a> |
| 132 | ··<span·class="text">Example</span> | 132 | ··<span·class="text">Example</span> |
| 133 | </h2> | 133 | </h2> |
| 134 | <p>The·callback·module·for·a·supervisor·starting·the·server·from | 134 | <p>The·callback·module·for·a·supervisor·starting·the·server·from |
| 135 | <a·href="gen_server_concepts.html#ex">gen_server·Behaviour</a>·can·look·as·follows:</p><p><a·href=""·id="ex"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 135 | <a·href="gen_server_concepts.html#ex">gen_server·Behaviour</a>·can·look·as·follows:</p><p><a·href=""·id="ex"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="5055172464-1">(</span><span·class="ss">ch_sup</span><span·class="p"·data-group-id="5055172464-1">)</span><span·class="p">.</span><span·class="w"> |
| 136 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 136 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="5055172464-2">(</span><span·class="ss">supervisor</span><span·class="p"·data-group-id="5055172464-2">)</span><span·class="p">.</span><span·class="w"> |
| 137 | </span><span·class="w"> | 137 | </span><span·class="w"> |
| 138 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="9547736621-3">(</span><span·class="p"·data-group-id="9547736621-4">[</span><span·class="ss">start_link</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="9547736621-4">]</span><span·class="p"·data-group-id="9547736621-3">)</span><span·class="p">.</span><span·class="w"> | ||
| 139 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 138 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5055172464-3">(</span><span·class="p"·data-group-id="5055172464-4">[</span><span·class="ss">start_link</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="5055172464-4">]</span><span·class="p"·data-group-id="5055172464-3">)</span><span·class="p">.</span><span·class="w"> |
| 139 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="5055172464-5">(</span><span·class="p"·data-group-id="5055172464-6">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="5055172464-6">]</span><span·class="p"·data-group-id="5055172464-5">)</span><span·class="p">.</span><span·class="w"> | ||
| 140 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 140 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id="5055172464-7">(</span><span·class="p"·data-group-id="5055172464-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 141 | ····</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 141 | ····</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="5055172464-8">(</span><span·class="ss">ch_sup</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5055172464-9">[</span><span·class="p"·data-group-id="5055172464-9">]</span><span·class="p"·data-group-id="5055172464-8">)</span><span·class="p">.</span><span·class="w"> |
| 142 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 142 | </span><span·class="nf">init</span><span·class="p"·data-group-id="5055172464-10">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p"·data-group-id="5055172464-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 143 | ····</span><span·class="n">SupFlags</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 143 | ····</span><span·class="n">SupFlags</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5055172464-11">#{</span><span·class="ss">strategy</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">one_for_one</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">intensity</span><span·cl[·...·truncated·by·diffoscope;·len:·313,·SHA:·d9acf7810ae8a8e8f3024eebd06abee281631c36e24fed91abf63d2c7ca01c7d·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 144 | ····</span><span·class="n">ChildSpecs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 144 | ····</span><span·class="n">ChildSpecs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5055172464-12">[</span><span·class="p"·data-group-id="5055172464-13">#{</span><span·class="ss">id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w"> |
| 145 | ····················</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 145 | ····················</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="5055172464-14">{</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start_link</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5055172464-15">[</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·73,·SHA:·720e41383a551c6e8c61db9be5a91fa978d628d9f10d2134036648332f0a66d3·...·]-14">}</span><span·class="p">,</span><span·class="w"> |
| 146 | ····················</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">permanent</span><span·class="p">,</span><span·class="w"> | 146 | ····················</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">permanent</span><span·class="p">,</span><span·class="w"> |
| 147 | ····················</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">brutal_kill</span><span·class="p">,</span><span·class="w"> | 147 | ····················</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">brutal_kill</span><span·class="p">,</span><span·class="w"> |
| 148 | ····················</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">worker</span><span·class="p">,</span><span·class="w"> | 148 | ····················</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">worker</span><span·class="p">,</span><span·class="w"> |
| 149 | ····················</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 149 | ····················</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="5055172464-16">[</span><span·class="ss">ch3</span><span·class="p"·data-group-id="5055172464-16">]</span><span·class="p"·data-group-id="5055172464-13">}</span><span·class="p"·data-group-id="5055172464-12">]</span><span·class="p">,</span><span·class="w"> |
| 150 | ····</span><span·class="p"·data-group-id=" | 150 | ····</span><span·class="p"·data-group-id="5055172464-17">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5055172464-18">{</span><span·class="n">SupFlags</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ChildSpecs[·...·truncated·by·diffoscope;·len:·102,·SHA:·9c45c0860964ab8553f067a24847b6ccd9520059d223851b0a5f447b47e7153a·...·]-17">}</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">SupFlags</code>·variable·in·the·return·value·from·<code·class="inline">init/1</code>·represents·the |
| 151 | <a·href="sup_princ.html#flags">supervisor·flags</a>.</p><p>The·<code·class="inline">ChildSpecs</code>·variable·in·the·return·value·from·<code·class="inline">init/1</code>·is·a·list·of | 151 | <a·href="sup_princ.html#flags">supervisor·flags</a>.</p><p>The·<code·class="inline">ChildSpecs</code>·variable·in·the·return·value·from·<code·class="inline">init/1</code>·is·a·list·of |
| 152 | <a·href="sup_princ.html#spec">child·specifications</a>.</p><p><a·href=""·id="flags"></a></p><h2·id="supervisor-flags"·class="section-heading"> | 152 | <a·href="sup_princ.html#spec">child·specifications</a>.</p><p><a·href=""·id="flags"></a></p><h2·id="supervisor-flags"·class="section-heading"> |
| 153 | ··<a·href="#supervisor-flags"·class="hover-link"> | 153 | ··<a·href="#supervisor-flags"·class="hover-link"> |
| 154 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 154 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 155 | ··</a> | 155 | ··</a> |
| 156 | ··<span·class="text">Supervisor·Flags</span> | 156 | ··<span·class="text">Supervisor·Flags</span> |
| 157 | </h2> | 157 | </h2> |
| 158 | <p>This·is·the·type·definition·for·the·supervisor·flags:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">sup_flags</span><span·class="p"·data-group-id="0802407117-1">(</span><span·class="p"·data-group-id="0802407117-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0802407117-2">#{</span><span·class="ss">strategy</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">strategy</span><span·class="p"·data-group-id="0802407117-3">(</span><span·class="p"·data-group-id="0802407117-3">)</span><span·class="p">,</span><span·class="w">···········</span><span·class="c1">%·optional</span><span·class="w"> | ||
| 159 | ················</span><span·class="ss">intensity</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">non_neg_integer</span><span·class="p"·data-group-id="0802407117-4">(</span><span·class="p"·data-group-id="0802407117-4">)</span><span·class="p">,</span><span·class="w">···</span><span·class="c1">%·optional</span><span·class="w"> | ||
| 160 | 158 | <p>This·is·the·type·definition·for·the·supervisor·flags:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">sup_flags</span><span·class="p"·data-group-id="8258375927-1">(</span><span·class="p"·data-group-id="8258375927-1">)</span><span·cla[·...·truncated·by·diffoscope;·len:·404,·SHA:·5663306abd3467c86013ae3335f413f7d5266b9d9c21f1e8e81733b4ee62632e·...·]··········</span><span·class="c1">%·optional</span><span·class="w"> | |
| 159 | ················</span><span·class="ss">intensity</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">non_neg_integer</span><span·class="p"·data-group-id="8258375927-4">(</span><span·class="p"·data-group-id="8258375927-4">)</span><span·class="p">,</span><span·class="w">···</span><span·class="c1">%·optional</span><span·class="w"> | ||
| 160 | ················</span><span·class="ss">period</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">pos_integer</span><span·class="p"·data-group-id="8258375927-5">(</span><span·class="p"·data-group-id="8258375927-5">)</span><span·class="p">,</span><span·class="w">··········</span><span·class="c1">%·optional</span><span·class="w"> | ||
| 161 | ················</span><span·class="ss">auto_shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">auto_shutdown</span><span·class="p"·data-group-id=" | 161 | ················</span><span·class="ss">auto_shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">auto_shutdown</span><span·class="p"·data-group-id="8258375927-6">(</span><span·class="p"·data-group-id="8258375927-6">)</span><span·class="p"·data-group-id="8258375927-2">}</span><span·class="w">·</span><span·class="c1">%·optional</span><span·class="w"> |
| 162 | ····</span><span·class="nf">strategy</span><span·class="p"·data-group-id=" | 162 | ····</span><span·class="nf">strategy</span><span·class="p"·data-group-id="8258375927-7">(</span><span·class="p"·data-group-id="8258375927-7">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">one_for_all</span><span·class="w"> |
| 163 | ···············</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">one_for_one</span><span·class="w"> | 163 | ···············</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">one_for_one</span><span·class="w"> |
| 164 | ···············</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">rest_for_one</span><span·class="w"> | 164 | ···············</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">rest_for_one</span><span·class="w"> |
| 165 | ···············</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">simple_one_for_one</span><span·class="w"> | 165 | ···············</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">simple_one_for_one</span><span·class="w"> |
| 166 | ····</span><span·class="nf">auto_shutdown</span><span·class="p"·data-group-id=" | 166 | ····</span><span·class="nf">auto_shutdown</span><span·class="p"·data-group-id="8258375927-8">(</span><span·class="p"·data-group-id="8258375927-8">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">never</span><span·class="w"> |
| 167 | ····················</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">any_significant</span><span·class="w"> | 167 | ····················</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">any_significant</span><span·class="w"> |
| 168 | ····················</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">all_significant</span></code></pre><ul><li><code·class="inline">strategy</code>·specifies·the·<a·href="sup_princ.html#strategy">restart·strategy</a>.</li><li><code·class="inline">intensity</code>·and·<code·class="inline">period</code>·specify·the | 168 | ····················</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">all_significant</span></code></pre><ul><li><code·class="inline">strategy</code>·specifies·the·<a·href="sup_princ.html#strategy">restart·strategy</a>.</li><li><code·class="inline">intensity</code>·and·<code·class="inline">period</code>·specify·the |
| 169 | <a·href="sup_princ.html#max_intensity">maximum·restart·intensity</a>.</li><li><code·class="inline">auto_shutdown</code>·specifies·whether·and·when·a·supervisor·should | 169 | <a·href="sup_princ.html#max_intensity">maximum·restart·intensity</a>.</li><li><code·class="inline">auto_shutdown</code>·specifies·whether·and·when·a·supervisor·should |
| 170 | <a·href="sup_princ.html#automatic-shutdown">automatically·shut·itself·down</a>.</li></ul><p><a·href=""·id="strategy"></a></p><h2·id="restart-strategy"·class="section-heading"> | 170 | <a·href="sup_princ.html#automatic-shutdown">automatically·shut·itself·down</a>.</li></ul><p><a·href=""·id="strategy"></a></p><h2·id="restart-strategy"·class="section-heading"> |
| 171 | ··<a·href="#restart-strategy"·class="hover-link"> | 171 | ··<a·href="#restart-strategy"·class="hover-link"> |
| 172 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 172 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 173 | ··</a> | 173 | ··</a> |
| Offset 408, 28 lines modified | Offset 408, 28 lines modified | ||
| 408 | exhaust·the·<a·href="sup_princ.html#max_intensity">Maximum·Restart·Intensity</a>·of·the | 408 | exhaust·the·<a·href="sup_princ.html#max_intensity">Maximum·Restart·Intensity</a>·of·the |
| 409 | parent·supervisor.</p></section><p><a·href=""·id="spec"></a></p><h2·id="child-specification"·class="section-heading"> | 409 | parent·supervisor.</p></section><p><a·href=""·id="spec"></a></p><h2·id="child-specification"·class="section-heading"> |
| 410 | ··<a·href="#child-specification"·class="hover-link"> | 410 | ··<a·href="#child-specification"·class="hover-link"> |
| 411 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 411 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 412 | ··</a> | 412 | ··</a> |
| 413 | ··<span·class="text">Child·Specification</span> | 413 | ··<span·class="text">Child·Specification</span> |
| 414 | </h2> | 414 | </h2> |
| 415 | <p>The·type·definition·for·a·child·specification·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">child_spec</span><span·class="p"·data-group-id=" | 415 | <p>The·type·definition·for·a·child·specification·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">child_spec</span><span·class="p"·data-group-id="7794336209-1">(</span><span·class="p"·data-group-id="7794336209-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7794336209-2">#{</span><span·class="ss">id</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·173,·SHA:·dbd238c273d347b5ab891814fce1e430decbf406efa9a6dc858785e3fec8a831·...·]-3">)</span><span·class="p">,</span><span·class="w">·············</span><span·class="c1">%·mandatory</span><span·class="w"> |
| 416 | ·················</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">mfargs</span><span·class="p"·data-group-id=" | 416 | ·················</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">mfargs</span><span·class="p"·data-group-id="7794336209-4">(</span><span·class="p"·data-group-id="7794336209-4">)</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·mandatory</span><span·class="w"> |
| 417 | ·················</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">restart</span><span·class="p"·data-group-id=" | 417 | ·················</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">restart</span><span·class="p"·data-group-id="7794336209-5">(</span><span·class="p"·data-group-id="7794336209-5">)</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·optional</span><span·class="w"> |
| 418 | ·················</span><span·class="ss">significant</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">significant</span><span·class="p"·data-group-id=" | 418 | ·················</span><span·class="ss">significant</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">significant</span><span·class="p"·data-group-id="7794336209-6">(</span><span·class="p"·data-group-id="7794336209-6">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·optional</span><span·class="w"> |
| 419 | ·················</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">shutdown</span><span·class="p"·data-group-id=" | 419 | ·················</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">shutdown</span><span·class="p"·data-group-id="7794336209-7">(</span><span·class="p"·data-group-id="7794336209-7">)</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%·optional</span><span·class="w"> |
| 420 | ·················</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">worker</span><span·class="p"·data-group-id=" | 420 | ·················</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">worker</span><span·class="p"·data-group-id="7794336209-8">(</span><span·class="p"·data-group-id="7794336209-8">)</span><span·class="p">,</span><span·class="w">·············</span><span·class="c1">%·optional</span><span·class="w"> |
| 421 | ·················</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">modules</span><span·class="p"·data-group-id=" | 421 | ·················</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">modules</span><span·class="p"·data-group-id="7794336209-9">(</span><span·class="p"·data-group-id="7794336209-9">)</span><span·class="p"·data-group-id="7794336209-2">}</span><span·class="w">·········</span><span·class="c1">%·optional</span><span·class="w"> |
| 422 | ····</span><span·class="nf">child_id</span><span·class="p"·data-group-id=" | 422 | ····</span><span·class="nf">child_id</span><span·class="p"·data-group-id="7794336209-10">(</span><span·class="p"·data-group-id="7794336209-10">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="7794336209-11">(</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·cc3f3a140da3e57feba5d91233ba74b64b60dc9d33e247c3f7b27b3c9f860414·...·]-11">)</span><span·class="w"> |
| 423 | ····</span><span·class="nf">mfargs</span><span·class="p"·data-group-id=" | 423 | ····</span><span·class="nf">mfargs</span><span·class="p"·data-group-id="7794336209-12">(</span><span·class="p"·data-group-id="7794336209-12">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7794336209-13">{</span><span·class="n">M</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·962,·SHA:·ca833a11061acfc3baefb668adb1432c84992facf26955173915dc087da78599·...·]-13">}</span><span·class="w"> |
| 424 | ····</span><span·class="nf">modules</span><span·class="p"·data-group-id=" | 424 | ····</span><span·class="nf">modules</span><span·class="p"·data-group-id="7794336209-18">(</span><span·class="p"·data-group-id="7794336209-18">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7794336209-19">[</span><span·class="nf">module</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·126,·SHA:·9b9c7266afb12c19090a4c48bd6bfd65c1888c0b72f6743790084f90093d75e7·...·]-19">]</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">dynamic</span><span·class="w"> |
| 425 | ····</span><span·class="nf">restart</span><span·class="p"·data-group-id=" | 425 | ····</span><span·class="nf">restart</span><span·class="p"·data-group-id="7794336209-21">(</span><span·class="p"·data-group-id="7794336209-21">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">permanent</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">transient</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">temporary</span><span·class="w"> |
| 426 | ····</span><span·class="nf">significant</span><span·class="p"·data-group-id=" | 426 | ····</span><span·class="nf">significant</span><span·class="p"·data-group-id="7794336209-22">(</span><span·class="p"·data-group-id="7794336209-22">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">boolean</span><span·class="p"·data-group-id="7794336209-23">(</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·92cca8c880ec5fbe55a0b8e22400515fdef64be6654554aab8ee275ce7b14bbc·...·]-23">)</span><span·class="w"> |
| 427 | ····</span><span·class="nf">shutdown</span><span·class="p"·data-group-id=" | 427 | ····</span><span·class="nf">shutdown</span><span·class="p"·data-group-id="7794336209-24">(</span><span·class="p"·data-group-id="7794336209-24">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">brutal_kill</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·126,·SHA:·99d39fcaf6214cfe8f08db4a494b890e9343a7ca49343bec5ef3fd871a4ee91a·...·]-25">)</span><span·class="w"> |
| 428 | ····</span><span·class="nf">worker</span><span·class="p"·data-group-id=" | 428 | ····</span><span·class="nf">worker</span><span·class="p"·data-group-id="7794336209-26">(</span><span·class="p"·data-group-id="7794336209-26">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">worker</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">supervisor</span></code></pre><ul><li><p><code·class="inline">id</code>·is·used·to·identify·the·child·specification·internally·by·the·supervisor.</p><p>The·<code·class="inline">id</code>·key·is·mandatory.</p><p>Note·that·this·identifier·occasionally·has·been·called·"name".·As·far·as |
| 429 | possible,·the·terms·"identifier"·or·"id"·are·now·used·but·in·order·to·keep | 429 | possible,·the·terms·"identifier"·or·"id"·are·now·used·but·in·order·to·keep |
| 430 | backwards·compatibility,·some·occurrences·of·"name"·can·still·be·found,·for | 430 | backwards·compatibility,·some·occurrences·of·"name"·can·still·be·found,·for |
| 431 | example·in·error·messages.</p></li><li><p><code·class="inline">start</code>·defines·the·function·call·used·to·start·the·child·process.·It·is·a | 431 | example·in·error·messages.</p></li><li><p><code·class="inline">start</code>·defines·the·function·call·used·to·start·the·child·process.·It·is·a |
| 432 | module-function-arguments·tuple·used·as·<a·href="../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(M,·F,·A)</code></a>.</p><p>It·is·to·be·(or·result·in)·a·call·to·any·of·the·following:</p><ul><li><a·href="../../lib/stdlib-6.2.1/doc/html/supervisor.html#start_link/3"><code·class="inline">supervisor:start_link/2,3</code></a></li><li><a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#start_link/4"><code·class="inline">gen_server:start_link/3,4</code></a></li><li><a·href="../../lib/stdlib-6.2.1/doc/html/gen_statem.html#start_link/4"><code·class="inline">gen_statem:start_link/3,4</code></a></li><li><a·href="../../lib/stdlib-6.2.1/doc/html/gen_event.html#start_link/2"><code·class="inline">gen_event:start_link/0,1,2</code></a></li><li>A·function·compliant·with·these·functions.·For·details,·see | 432 | module-function-arguments·tuple·used·as·<a·href="../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(M,·F,·A)</code></a>.</p><p>It·is·to·be·(or·result·in)·a·call·to·any·of·the·following:</p><ul><li><a·href="../../lib/stdlib-6.2.1/doc/html/supervisor.html#start_link/3"><code·class="inline">supervisor:start_link/2,3</code></a></li><li><a·href="../../lib/stdlib-6.2.1/doc/html/gen_server.html#start_link/4"><code·class="inline">gen_server:start_link/3,4</code></a></li><li><a·href="../../lib/stdlib-6.2.1/doc/html/gen_statem.html#start_link/4"><code·class="inline">gen_statem:start_link/3,4</code></a></li><li><a·href="../../lib/stdlib-6.2.1/doc/html/gen_event.html#start_link/2"><code·class="inline">gen_event:start_link/0,1,2</code></a></li><li>A·function·compliant·with·these·functions.·For·details,·see |
| 433 | <a·href="../../lib/stdlib-6.2.1/doc/html/supervisor.html"><code·class="inline">supervisor</code></a>.</li></ul><p>The·<code·class="inline">start</code>·key·is·mandatory.</p></li><li><p><a·href=""·id="restart"></a>·<code·class="inline">restart</code>·defines·when·a·terminated·child·process·is·to·be | 433 | <a·href="../../lib/stdlib-6.2.1/doc/html/supervisor.html"><code·class="inline">supervisor</code></a>.</li></ul><p>The·<code·class="inline">start</code>·key·is·mandatory.</p></li><li><p><a·href=""·id="restart"></a>·<code·class="inline">restart</code>·defines·when·a·terminated·child·process·is·to·be |
| 434 | restarted.</p><ul><li>A·<code·class="inline">permanent</code>·child·process·is·always·restarted.</li><li>A·<code·class="inline">temporary</code>·child·process·is·never·restarted·(not·even·when·the·supervisor | 434 | restarted.</p><ul><li>A·<code·class="inline">permanent</code>·child·process·is·always·restarted.</li><li>A·<code·class="inline">temporary</code>·child·process·is·never·restarted·(not·even·when·the·supervisor |
| 435 | restart·strategy·is·<code·class="inline">rest_for_one</code>·or·<code·class="inline">one_for_all</code>·and·a·sibling·death | 435 | restart·strategy·is·<code·class="inline">rest_for_one</code>·or·<code·class="inline">one_for_all</code>·and·a·sibling·death |
| Offset 457, 53 lines modified | Offset 457, 53 lines modified | ||
| 457 | <code·class="inline">supervisor</code>,·the·default·value·<code·class="inline">infinity</code>·will·be·used.</p></li><li><p><code·class="inline">type</code>·specifies·whether·the·child·process·is·a·supervisor·or·a·worker.</p><p>The·<code·class="inline">type</code>·key·is·optional.·If·it·is·not·given,·the·default·value·<code·class="inline">worker</code> | 457 | <code·class="inline">supervisor</code>,·the·default·value·<code·class="inline">infinity</code>·will·be·used.</p></li><li><p><code·class="inline">type</code>·specifies·whether·the·child·process·is·a·supervisor·or·a·worker.</p><p>The·<code·class="inline">type</code>·key·is·optional.·If·it·is·not·given,·the·default·value·<code·class="inline">worker</code> |
| 458 | will·be·used.</p></li><li><p><code·class="inline">modules</code>·has·to·be·a·list·consisting·of·a·single·element.·The·value | 458 | will·be·used.</p></li><li><p><code·class="inline">modules</code>·has·to·be·a·list·consisting·of·a·single·element.·The·value |
| 459 | of·that·element·depends·on·the·behaviour·of·the·process:</p><ul><li>If·the·child·process·is·a·<code·class="inline">gen_event</code>,·the·element·has·to·be·the·atom | 459 | of·that·element·depends·on·the·behaviour·of·the·process:</p><ul><li>If·the·child·process·is·a·<code·class="inline">gen_event</code>,·the·element·has·to·be·the·atom |
| 460 | <code·class="inline">dynamic</code>.</li><li>Otherwise,·the·element·should·be·<code·class="inline">Module</code>,·where·<code·class="inline">Module</code>·is·the | 460 | <code·class="inline">dynamic</code>.</li><li>Otherwise,·the·element·should·be·<code·class="inline">Module</code>,·where·<code·class="inline">Module</code>·is·the |
| 461 | name·of·the·callback·module.</li></ul><p>This·information·is·used·by·the·release·handler·during·upgrades·and | 461 | name·of·the·callback·module.</li></ul><p>This·information·is·used·by·the·release·handler·during·upgrades·and |
| 462 | downgrades;·see·<a·href="release_handling.html">Release·Handling</a>.</p><p>The·<code·class="inline">modules</code>·key·is·optional.·If·it·is·not·given,·it·defaults·to·<code·class="inline">[M]</code>,·where | 462 | downgrades;·see·<a·href="release_handling.html">Release·Handling</a>.</p><p>The·<code·class="inline">modules</code>·key·is·optional.·If·it·is·not·given,·it·defaults·to·<code·class="inline">[M]</code>,·where |
| 463 | <code·class="inline">M</code>·comes·from·the·child's·start·<code·class="inline">{M,F,A}</code>.</p></li></ul><p><em>Example:</em>·The·child·specification·to·start·the·server·<code·class="inline">ch3</code>·in·the·previous | 463 | <code·class="inline">M</code>·comes·from·the·child's·start·<code·class="inline">{M,F,A}</code>.</p></li></ul><p><em>Example:</em>·The·child·specification·to·start·the·server·<code·class="inline">ch3</code>·in·the·previous |
| 464 | example·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 464 | example·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1934520143-1">#{</span><span·class="ss">id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w"> |
| 465 | ··</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 465 | ··</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="1934520143-2">{</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start_link</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1934520143-3">[</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·70,·SHA:·35bf3369e2b6b0b96140ccf486126e422127fbbe66f85529c2d5020cacd21abc·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 466 | ··</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">permanent</span><span·class="p">,</span><span·class="w"> | 466 | ··</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">permanent</span><span·class="p">,</span><span·class="w"> |
| 467 | ··</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">brutal_kill</span><span·class="p">,</span><span·class="w"> | 467 | ··</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">brutal_kill</span><span·class="p">,</span><span·class="w"> |
| 468 | ··</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">worker</span><span·class="p">,</span><span·class="w"> | 468 | ··</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">worker</span><span·class="p">,</span><span·class="w"> |
| 469 | ··</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 469 | ··</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="1934520143-4">[</span><span·class="ss">ch3</span><span·class="p"·data-group-id="1934520143-4">]</span><span·class="p"·data-group-id="1934520143-1">}</span></code></pre><p>or·simplified,·relying·on·the·default·values:</p><pre><code·class="text">#{id·=>·ch3, |
| 470 | ··start·=>·{ch3,·start_link,·[]}, | 470 | ··start·=>·{ch3,·start_link,·[]}, |
| 471 | ··shutdown·=>·brutal_kill}</code></pre><p>Example:·A·child·specification·to·start·the·event·manager·from·the·chapter·about | 471 | ··shutdown·=>·brutal_kill}</code></pre><p>Example:·A·child·specification·to·start·the·event·manager·from·the·chapter·about |
| 472 | <a·href="events.html#mgr">gen_event</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 472 | <a·href="events.html#mgr">gen_event</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9547535936-1">#{</span><span·class="ss">id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">error_man</span><span·class="p">,</span><span·class="w"> |
| 473 | ··</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 473 | ··</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="9547535936-2">{</span><span·class="ss">gen_event</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start_link</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9547535936-3">[</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·292,·SHA:·f654ebd7ac00533b47b55d02acd67f4acb6c26f6b42fa2b579fa57d5053960ea·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 474 | ··</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">dynamic</span><span·class="p"·data-group-id=" | 474 | ··</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">dynamic</span><span·class="p"·data-group-id="9547535936-1">}</span></code></pre><p>Both·server·and·event·manager·are·registered·processes·which·can·be·expected·to |
| 475 | be·always·accessible.·Thus·they·are·specified·to·be·<code·class="inline">permanent</code>.</p><p><code·class="inline">ch3</code>·does·not·need·to·do·any·cleaning·up·before·termination.·Thus,·no·shutdown | 475 | be·always·accessible.·Thus·they·are·specified·to·be·<code·class="inline">permanent</code>.</p><p><code·class="inline">ch3</code>·does·not·need·to·do·any·cleaning·up·before·termination.·Thus,·no·shutdown |
| 476 | time·is·needed,·but·<code·class="inline">brutal_kill</code>·is·sufficient.·<code·class="inline">error_man</code>·can·need·some·time | 476 | time·is·needed,·but·<code·class="inline">brutal_kill</code>·is·sufficient.·<code·class="inline">error_man</code>·can·need·some·time |
| 477 | for·the·event·handlers·to·clean·up,·thus·the·shutdown·time·is·set·to·5000·ms | 477 | for·the·event·handlers·to·clean·up,·thus·the·shutdown·time·is·set·to·5000·ms |
| 478 | (which·is·the·default·value).</p><p>Example:·A·child·specification·to·start·another·supervisor:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 478 | (which·is·the·default·value).</p><p>Example:·A·child·specification·to·start·another·supervisor:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2535016412-1">#{</span><span·class="ss">id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">sup</span><span·class="p">,</span><span·class="w"> |
| 479 | ··</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 479 | ··</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2535016412-2">{</span><span·class="ss">sup</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start_link</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2535016412-3">[</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·70,·SHA:·30e9ce1d02ce5483505869ce8516c2b42fe46faa38fe1485b7fc7b58e039d290·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 480 | ··</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">transient</span><span·class="p">,</span><span·class="w"> | 480 | ··</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">transient</span><span·class="p">,</span><span·class="w"> |
| 481 | ··</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">supervisor</span><span·class="p"·data-group-id=" | 481 | ··</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">supervisor</span><span·class="p"·data-group-id="2535016412-1">}</span><span·class="w">·</span><span·class="c1">%·will·cause·default·shutdown=>infinity</span></code></pre><p><a·href=""·id="super_tree"></a></p><h2·id="starting-a-supervisor"·class="section-heading"> |
| 482 | ··<a·href="#starting-a-supervisor"·class="hover-link"> | 482 | ··<a·href="#starting-a-supervisor"·class="hover-link"> |
| 483 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 483 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 484 | ··</a> | 484 | ··</a> |
| 485 | ··<span·class="text">Starting·a·Supervisor</span> | 485 | ··<span·class="text">Starting·a·Supervisor</span> |
| 486 | </h2> | 486 | </h2> |
| 487 | <p>In·the·previous·example,·the·supervisor·is·started·by·calling | 487 | <p>In·the·previous·example,·the·supervisor·is·started·by·calling |
| 488 | <code·class="inline">ch_sup:start_link()</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 488 | <code·class="inline">ch_sup:start_link()</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start_link</span><span·class="p"·data-group-id="4935509202-1">(</span><span·class="p"·data-group-id="4935509202-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 489 | ····</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 489 | ····</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="4935509202-2">(</span><span·class="ss">ch_sup</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4935509202-3">[</span><span·class="p"·data-group-id="4935509202-3">]</span><span·class="p"·data-group-id="4935509202-2">)</span><span·class="p">.</span></code></pre><p><code·class="inline">ch_sup:start_link</code>·calls·function·<a·href="../../lib/stdlib-6.2.1/doc/html/supervisor.html#start_link/2"><code·class="inline">supervisor:start_link/2</code></a>,·which·spawns·and |
| 490 | links·to·a·new·process,·a·supervisor.</p><ul><li>The·first·argument,·<code·class="inline">ch_sup</code>,·is·the·name·of·the·callback·module,·that·is,·the | 490 | links·to·a·new·process,·a·supervisor.</p><ul><li>The·first·argument,·<code·class="inline">ch_sup</code>,·is·the·name·of·the·callback·module,·that·is,·the |
| 491 | module·where·the·<code·class="inline">init</code>·callback·function·is·located.</li><li>The·second·argument,·<code·class="inline">[]</code>,·is·a·term·that·is·passed·as·is·to·the·callback | 491 | module·where·the·<code·class="inline">init</code>·callback·function·is·located.</li><li>The·second·argument,·<code·class="inline">[]</code>,·is·a·term·that·is·passed·as·is·to·the·callback |
| 492 | function·<code·class="inline">init</code>.·Here,·<code·class="inline">init</code>·does·not·need·any·data·and·ignores·the·argument.</li></ul><p>In·this·case,·the·supervisor·is·not·registered.·Instead·its·pid·must·be·used.·A | 492 | function·<code·class="inline">init</code>.·Here,·<code·class="inline">init</code>·does·not·need·any·data·and·ignores·the·argument.</li></ul><p>In·this·case,·the·supervisor·is·not·registered.·Instead·its·pid·must·be·used.·A |
| 493 | name·can·be·specified·by·calling | 493 | name·can·be·specified·by·calling |
| 494 | <a·href="../../lib/stdlib-6.2.1/doc/html/supervisor.html#start_link/3"><code·class="inline">supervisor:start_link({local,·Name},·Module,·Args)</code></a> | 494 | <a·href="../../lib/stdlib-6.2.1/doc/html/supervisor.html#start_link/3"><code·class="inline">supervisor:start_link({local,·Name},·Module,·Args)</code></a> |
| 495 | or | 495 | or |
| 496 | <a·href="../../lib/stdlib-6.2.1/doc/html/supervisor.html#start_link/3"><code·class="inline">supervisor:start_link({global,·Name},·Module,·Args)</code></a>.</p><p>The·new·supervisor·process·calls·the·callback·function·<code·class="inline">ch_sup:init([])</code>.·<code·class="inline">init</code> | 496 | <a·href="../../lib/stdlib-6.2.1/doc/html/supervisor.html#start_link/3"><code·class="inline">supervisor:start_link({global,·Name},·Module,·Args)</code></a>.</p><p>The·new·supervisor·process·calls·the·callback·function·<code·class="inline">ch_sup:init([])</code>.·<code·class="inline">init</code> |
| 497 | has·to·return·<code·class="inline">{ok,·{SupFlags,·ChildSpecs}}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id=" | 497 | has·to·return·<code·class="inline">{ok,·{SupFlags,·ChildSpecs}}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init</span><span·class="p"·data-group-id="1784379002-1">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p"·data-group-id="1784379002-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 498 | ····</span><span·class="n">SupFlags</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 498 | ····</span><span·class="n">SupFlags</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1784379002-2">#{</span><span·class="p"·data-group-id="1784379002-2">}</span><span·class="p">,</span><span·class="w"> |
| 499 | ····</span><span·class="n">ChildSpecs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 499 | ····</span><span·class="n">ChildSpecs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1784379002-3">[</span><span·class="p"·data-group-id="1784379002-4">#{</span><span·class="ss">id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w"> |
| 500 | ····················</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 500 | ····················</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="1784379002-5">{</span><span·class="ss">ch3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start_link</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1784379002-6">[</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·70,·SHA:·875824bc6337406143bb2155540d17ca2f1d3ea5a7ea5c879e9f8676e56ef016·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 501 | ····················</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">brutal_kill</span><span·class="p"·data-group-id=" | 501 | ····················</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">brutal_kill</span><span·class="p"·data-group-id="1784379002-4">}</span><span·class="p"·data-group-id="1784379002-3">]</span><span·class="p">,</span><span·class="w"> |
| 502 | ····</span><span·class="p"·data-group-id=" | 502 | ····</span><span·class="p"·data-group-id="1784379002-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1784379002-8">{</span><span·class="n">SupFlags</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ChildSpecs</[·...·truncated·by·diffoscope;·len:·99,·SHA:·b35857ab45cd483b70a560e9844dd963018288d2cbad7c97548b4ca236c4b574·...·]-7">}</span><span·class="p">.</span></code></pre><p>Subsequently,·the·supervisor·starts·its·child·processes·according·to·the·child |
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| 216 | ······<p·class="built-using"> | 216 | ······<p·class="built-using"> |
| 217 | ········Built·using | 217 | ········Built·using |
| 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 220 | ······</p> | 220 | ······</p> |
| 221 | <p>Copyright·©·1996-202 | 221 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 222 | ····</footer> | 222 | ····</footer> |
| 223 | ··</div> | 223 | ··</div> |
| 224 | </main> | 224 | </main> |
| 225 | </div> | 225 | </div> |
| 226 | <script> | 226 | <script> |
| 227 | ··function·mermaidLoaded()·{ | 227 | ··function·mermaidLoaded()·{ |
| 228 | ····mermaid.initialize({ | 228 | ····mermaid.initialize({ |
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| 266 | ······<p·class="built-using"> | 266 | ······<p·class="built-using"> |
| 267 | ········Built·using | 267 | ········Built·using |
| 268 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 268 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 269 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 269 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 270 | ······</p> | 270 | ······</p> |
| 271 | <p>Copyright·©·1996-202 | 271 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 272 | ····</footer> | 272 | ····</footer> |
| 273 | ··</div> | 273 | ··</div> |
| 274 | </main> | 274 | </main> |
| 275 | </div> | 275 | </div> |
| 276 | <script> | 276 | <script> |
| 277 | ··function·mermaidLoaded()·{ | 277 | ··function·mermaidLoaded()·{ |
| 278 | ····mermaid.initialize({ | 278 | ····mermaid.initialize({ |
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| 146 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 146 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 147 | ··</a> | 147 | ··</a> |
| 148 | ··<span·class="text">Deleting·an·Element</span> | 148 | ··<span·class="text">Deleting·an·Element</span> |
| 149 | </h3> | 149 | </h3> |
| 150 | <p>The·<code·class="inline">delete</code>·operation·is·considered·successful·if·the·element·was·not·present | 150 | <p>The·<code·class="inline">delete</code>·operation·is·considered·successful·if·the·element·was·not·present |
| 151 | in·the·table.·Hence·all·attempts·to·check·that·the·element·is·present·in·the | 151 | in·the·table.·Hence·all·attempts·to·check·that·the·element·is·present·in·the |
| 152 | Ets/Mnesia·table·before·deletion·are·unnecessary.·Here·follows·an·example·for | 152 | Ets/Mnesia·table·before·deletion·are·unnecessary.·Here·follows·an·example·for |
| 153 | Ets·tables:</p><p><strong>DO</strong></p><pre><code·class="text">ets:delete(Tab,·Key),</code></pre><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id="4 | 153 | Ets·tables:</p><p><strong>DO</strong></p><pre><code·class="text">ets:delete(Tab,·Key),</code></pre><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id="5489592129-1">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="5489592129-1">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 154 | ····</span><span·class="p"·data-group-id="4 | 154 | ····</span><span·class="p"·data-group-id="5489592129-2">[</span><span·class="p"·data-group-id="5489592129-2">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 155 | ········</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 155 | ········</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 156 | ····</span><span·class="p"·data-group-id="4 | 156 | ····</span><span·class="p"·data-group-id="5489592129-3">[</span><span·class="p">_</span><span·class="p">|</span><span·class="p">_</span><span·class="p"·data-group-id="5489592129-3">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 157 | ········</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id="4 | 157 | ········</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id="5489592129-4">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="5489592129-4">)</span><span·class="w"> |
| 158 | </span><span·class="k">end</span><span·class="p">,</span></code></pre><h3·id="fetching-data"·class="section-heading"> | 158 | </span><span·class="k">end</span><span·class="p">,</span></code></pre><h3·id="fetching-data"·class="section-heading"> |
| 159 | ··<a·href="#fetching-data"·class="hover-link"> | 159 | ··<a·href="#fetching-data"·class="hover-link"> |
| 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 161 | ··</a> | 161 | ··</a> |
| 162 | ··<span·class="text">Fetching·Data</span> | 162 | ··<span·class="text">Fetching·Data</span> |
| 163 | </h3> | 163 | </h3> |
| 164 | <p>Do·not·fetch·data·that·you·already·have.</p><p>Consider·that·you·have·a·module·that·handles·the·abstract·data·type·<code·class="inline">Person</code>. | 164 | <p>Do·not·fetch·data·that·you·already·have.</p><p>Consider·that·you·have·a·module·that·handles·the·abstract·data·type·<code·class="inline">Person</code>. |
| 165 | You·export·the·interface·function·<code·class="inline">print_person/1</code>,·which·uses·the·internal | 165 | You·export·the·interface·function·<code·class="inline">print_person/1</code>,·which·uses·the·internal |
| 166 | functions·<code·class="inline">print_name/1</code>,·<code·class="inline">print_age/1</code>,·and·<code·class="inline">print_occupation/1</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>If·the·function·<code·class="inline">print_name/1</code>,·and·so·on,·had·been·interface·functions,·the | 166 | functions·<code·class="inline">print_name/1</code>,·<code·class="inline">print_age/1</code>,·and·<code·class="inline">print_occupation/1</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>If·the·function·<code·class="inline">print_name/1</code>,·and·so·on,·had·been·interface·functions,·the |
| 167 | situation·would·have·been·different,·as·you·do·not·want·the·user·of·the | 167 | situation·would·have·been·different,·as·you·do·not·want·the·user·of·the |
| 168 | interface·to·know·about·the·internal·data·representation.</p></section><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%·Interface·function</span><span·class="w"> | 168 | interface·to·know·about·the·internal·data·representation.</p></section><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%·Interface·function</span><span·class="w"> |
| 169 | </span><span·class="nf">print_person</span><span·class="p"·data-group-id=" | 169 | </span><span·class="nf">print_person</span><span·class="p"·data-group-id="0958565729-1">(</span><span·class="n">PersonId</span><span·class="p"·data-group-id="0958565729-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 170 | ····</span><span·class="c1">%%·Look·up·the·person·in·the·named·table·person,</span><span·class="w"> | 170 | ····</span><span·class="c1">%%·Look·up·the·person·in·the·named·table·person,</span><span·class="w"> |
| 171 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id=" | 171 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id="0958565729-2">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="n">PersonId</span><span·class="p"·data-group-id="0958565729-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 172 | ········</span><span·class="p"·data-group-id=" | 172 | ········</span><span·class="p"·data-group-id="0958565729-3">[</span><span·class="n">Person</span><span·class="p"·data-group-id="0958565729-3">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 173 | ············</span><span·class="nf">print_name</span><span·class="p"·data-group-id=" | 173 | ············</span><span·class="nf">print_name</span><span·class="p"·data-group-id="0958565729-4">(</span><span·class="n">Person</span><span·class="p"·data-group-id="0958565729-4">)</span><span·class="p">,</span><span·class="w"> |
| 174 | ············</span><span·class="nf">print_age</span><span·class="p"·data-group-id=" | 174 | ············</span><span·class="nf">print_age</span><span·class="p"·data-group-id="0958565729-5">(</span><span·class="n">Person</span><span·class="p"·data-group-id="0958565729-5">)</span><span·class="p">,</span><span·class="w"> |
| 175 | ············</span><span·class="nf">print_occupation</span><span·class="p"·data-group-id=" | 175 | ············</span><span·class="nf">print_occupation</span><span·class="p"·data-group-id="0958565729-6">(</span><span·class="n">Person</span><span·class="p"·data-group-id="0958565729-6">)</span><span·class="p">;</span><span·class="w"> |
| 176 | ········</span><span·class="p"·data-group-id=" | 176 | ········</span><span·class="p"·data-group-id="0958565729-7">[</span><span·class="p"·data-group-id="0958565729-7">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 177 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0958565729-8">(</span><span·class="s">"No·person·with·ID·=·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0958565729-9">[</span><sp[·...·truncated·by·diffoscope;·len:·122,·SHA:·0d7fd995bc9149347181a96f2c97e107cc442aaa7b54d66510d40ad315ea3eab·...·]-8">)</span><span·class="w"> |
| 178 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 178 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 179 | </span><span·class="c1">%%%·Internal·functions</span><span·class="w"> | 179 | </span><span·class="c1">%%%·Internal·functions</span><span·class="w"> |
| 180 | </span><span·class="nf">print_name</span><span·class="p"·data-group-id=" | 180 | </span><span·class="nf">print_name</span><span·class="p"·data-group-id="0958565729-10">(</span><span·class="n">Person</span><span·class="p"·data-group-id="0958565729-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 181 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 181 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0958565729-11">(</span><span·class="s">"No·person·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0958565729-12">[</span><span·class[·...·truncated·by·diffoscope;·len:·219,·SHA:·0b143dc7b282641990791f3856af1c7be168f147fe50ea40d664b8d8365a484f·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="nf">print_age</span><span·class="p"·data-group-id=" | 182 | </span><span·class="nf">print_age</span><span·class="p"·data-group-id="0958565729-13">(</span><span·class="n">Person</span><span·class="p"·data-group-id="0958565729-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 183 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 183 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0958565729-14">(</span><span·class="s">"No·person·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0958565729-15">[</span><span·class[·...·truncated·by·diffoscope;·len:·218,·SHA:·5ef30e19f156e24228d0994a2388570501145e0006370a7cb2c082068cb2b871·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 184 | </span><span·class="nf">print_occupation</span><span·class="p"·data-group-id=" | 184 | </span><span·class="nf">print_occupation</span><span·class="p"·data-group-id="0958565729-16">(</span><span·class="n">Person</span><span·class="p"·data-group-id="0958565729-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 185 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 185 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0958565729-17">(</span><span·class="s">"No·person·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0958565729-18">[</span><span·class[·...·truncated·by·diffoscope;·len:·225,·SHA:·0d137d4084d265bd14ed60d42dfa7043fffdd3d434f4f96f06c69f746e9e74f1·...·]-17">)</span><span·class="p">.</span></code></pre><p><strong>DO·NOT</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%·Interface·function</span><span·class="w"> |
| 186 | </span><span·class="nf">print_person</span><span·class="p"·data-group-id=" | 186 | </span><span·class="nf">print_person</span><span·class="p"·data-group-id="0967118996-1">(</span><span·class="n">PersonId</span><span·class="p"·data-group-id="0967118996-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 187 | ····</span><span·class="c1">%%·Look·up·the·person·in·the·named·table·person,</span><span·class="w"> | 187 | ····</span><span·class="c1">%%·Look·up·the·person·in·the·named·table·person,</span><span·class="w"> |
| 188 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id=" | 188 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id="0967118996-2">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="n">PersonId</span><span·class="p"·data-group-id="0967118996-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 189 | ········</span><span·class="p"·data-group-id=" | 189 | ········</span><span·class="p"·data-group-id="0967118996-3">[</span><span·class="n">Person</span><span·class="p"·data-group-id="0967118996-3">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 190 | ············</span><span·class="nf">print_name</span><span·class="p"·data-group-id=" | 190 | ············</span><span·class="nf">print_name</span><span·class="p"·data-group-id="0967118996-4">(</span><span·class="n">PersonID</span><span·class="p"·data-group-id="0967118996-4">)</span><span·class="p">,</span><span·class="w"> |
| 191 | ············</span><span·class="nf">print_age</span><span·class="p"·data-group-id=" | 191 | ············</span><span·class="nf">print_age</span><span·class="p"·data-group-id="0967118996-5">(</span><span·class="n">PersonID</span><span·class="p"·data-group-id="0967118996-5">)</span><span·class="p">,</span><span·class="w"> |
| 192 | ············</span><span·class="nf">print_occupation</span><span·class="p"·data-group-id=" | 192 | ············</span><span·class="nf">print_occupation</span><span·class="p"·data-group-id="0967118996-6">(</span><span·class="n">PersonID</span><span·class="p"·data-group-id="0967118996-6">)</span><span·class="p">;</span><span·class="w"> |
| 193 | ········</span><span·class="p"·data-group-id=" | 193 | ········</span><span·class="p"·data-group-id="0967118996-7">[</span><span·class="p"·data-group-id="0967118996-7">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 194 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 194 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0967118996-8">(</span><span·class="s">"No·person·with·ID·=·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0967118996-9">[</span><sp[·...·truncated·by·diffoscope;·len:·120,·SHA:·0df150a4125d3edef5ff5ec780f6eadac3c9f9db5ff62539c49f0d6c08b53be7·...·]96-8">)</span><span·class="w"> |
| 195 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 195 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 196 | </span><span·class="c1">%%%·Internal·functions</span><span·class="w"> | 196 | </span><span·class="c1">%%%·Internal·functions</span><span·class="w"> |
| 197 | </span><span·class="nf">print_name</span><span·class="p"·data-group-id=" | 197 | </span><span·class="nf">print_name</span><span·class="p"·data-group-id="0967118996-10">(</span><span·class="n">PersonID</span><span·class="p"·data-group-id="0967118996-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 198 | ····</span><span·class="p"·data-group-id=" | 198 | ····</span><span·class="p"·data-group-id="0967118996-11">[</span><span·class="n">Person</span><span·class="p"·data-group-id="0967118996-11">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</sp[·...·truncated·by·diffoscope;·len:·205,·SHA:·e8dfab4cf37377a19a69f12e8ce0bc05469aac0e9af200cf3b14ad7f96282379·...·]96-12">)</span><span·class="p">,</span><span·class="w"> |
| 199 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0967118996-13">(</span><span·class="s">"No·person·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0967118996-14">[</span><span·class[·...·truncated·by·diffoscope;·len:·217,·SHA:·8c6f2ac4962feb9632bcdd879b6f0c6ca1027734465f7b34cd311f2eb59d47c6·...·]96-13">)</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="nf">print_age</span><span·class="p"·data-group-id=" | 200 | </span><span·class="nf">print_age</span><span·class="p"·data-group-id="0967118996-15">(</span><span·class="n">PersonID</span><span·class="p"·data-group-id="0967118996-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 201 | ····</span><span·class="p"·data-group-id=" | 201 | ····</span><span·class="p"·data-group-id="0967118996-16">[</span><span·class="n">Person</span><span·class="p"·data-group-id="0967118996-16">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</sp[·...·truncated·by·diffoscope;·len:·205,·SHA:·c576dc09f20152db1c5de16a44ec866586ddd5a45a87e763f935b6441d94b627·...·]96-17">)</span><span·class="p">,</span><span·class="w"> |
| 202 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 202 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0967118996-18">(</span><span·class="s">"No·person·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0967118996-19">[</span><span·class[·...·truncated·by·diffoscope;·len:·216,·SHA:·12d0ccae036d08b6cdbf8982ccbf580a7d700fd24b98f06b952bd71d99468149·...·]96-18">)</span><span·class="p">.</span><span·class="w"> |
| 203 | </span><span·class="nf">print_occupation</span><span·class="p"·data-group-id=" | 203 | </span><span·class="nf">print_occupation</span><span·class="p"·data-group-id="0967118996-20">(</span><span·class="n">PersonID</span><span·class="p"·data-group-id="0967118996-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 204 | ····</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="p"·data-group-id="0967118996-21">[</span><span·class="n">Person</span><span·class="p"·data-group-id="0967118996-21">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</sp[·...·truncated·by·diffoscope;·len:·205,·SHA:·652cc848341abc1d7c7c5012d3b8bbd0f840bbbdeae1588b1c0a9b5aa684eafc·...·]96-22">)</span><span·class="p">,</span><span·class="w"> |
| 205 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0967118996-23">(</span><span·class="s">"No·person·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0967118996-24">[</span><span·class[·...·truncated·by·diffoscope;·len:·223,·SHA:·4015b86c9747a35d29e94c377bf83f1b13bd48c3e35daeca6b11b34261eab7f1·...·]96-23">)</span><span·class="p">.</span></code></pre><h3·id="non-persistent-database-storage"·class="section-heading"> |
| 206 | ··<a·href="#non-persistent-database-storage"·class="hover-link"> | 206 | ··<a·href="#non-persistent-database-storage"·class="hover-link"> |
| 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 208 | ··</a> | 208 | ··</a> |
| 209 | ··<span·class="text">Non-Persistent·Database·Storage</span> | 209 | ··<span·class="text">Non-Persistent·Database·Storage</span> |
| 210 | </h3> | 210 | </h3> |
| 211 | <p>For·non-persistent·database·storage,·prefer·Ets·tables·over·Mnesia | 211 | <p>For·non-persistent·database·storage,·prefer·Ets·tables·over·Mnesia |
| 212 | <code·class="inline">local_content</code>·tables.·Even·the·Mnesia·<code·class="inline">dirty_write</code>·operations·carry·a·fixed | 212 | <code·class="inline">local_content</code>·tables.·Even·the·Mnesia·<code·class="inline">dirty_write</code>·operations·carry·a·fixed |
| Offset 226, 38 lines modified | Offset 226, 38 lines modified | ||
| 226 | </h3> | 226 | </h3> |
| 227 | <p>Assuming·an·Ets·table·that·uses·<code·class="inline">idno</code>·as·key·and·contains·the·following:</p><pre><code·class="text">[#person{idno·=·1,·name·=·"Adam",··age·=·31,·occupation·=·"mailman"}, | 227 | <p>Assuming·an·Ets·table·that·uses·<code·class="inline">idno</code>·as·key·and·contains·the·following:</p><pre><code·class="text">[#person{idno·=·1,·name·=·"Adam",··age·=·31,·occupation·=·"mailman"}, |
| 228 | ·#person{idno·=·2,·name·=·"Bryan",·age·=·31,·occupation·=·"cashier"}, | 228 | ·#person{idno·=·2,·name·=·"Bryan",·age·=·31,·occupation·=·"cashier"}, |
| 229 | ·#person{idno·=·3,·name·=·"Bryan",·age·=·35,·occupation·=·"banker"}, | 229 | ·#person{idno·=·3,·name·=·"Bryan",·age·=·35,·occupation·=·"banker"}, |
| 230 | ·#person{idno·=·4,·name·=·"Carl",··age·=·25,·occupation·=·"mailman"}]</code></pre><p>If·you·<em>must</em>·return·all·data·stored·in·the·Ets·table,·you·can·use | 230 | ·#person{idno·=·4,·name·=·"Carl",··age·=·25,·occupation·=·"mailman"}]</code></pre><p>If·you·<em>must</em>·return·all·data·stored·in·the·Ets·table,·you·can·use |
| 231 | <a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#tab2list/1"><code·class="inline">ets:tab2list/1</code></a>.·However,·usually·you·are·only·interested·in·a·subset·of·the | 231 | <a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#tab2list/1"><code·class="inline">ets:tab2list/1</code></a>.·However,·usually·you·are·only·interested·in·a·subset·of·the |
| 232 | information·in·which·case·<a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#tab2list/1"><code·class="inline">ets:tab2list/1</code></a>·is·expensive.·If·you·only·want·to | 232 | information·in·which·case·<a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#tab2list/1"><code·class="inline">ets:tab2list/1</code></a>·is·expensive.·If·you·only·want·to |
| 233 | extract·one·field·from·each·record,·for·example,·the·age·of·every·person,·then:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 233 | extract·one·field·from·each·record,·for·example,·the·age·of·every·person,·then:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="7385017275-1">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7385017275-2">[</span><span·class="p"·data-group-id="7385017275-3">{</span><span·class="o">#</span><span·class="ss">person</span>[·...·truncated·by·diffoscope;·len:·41,·SHA:·fad3b636a0813c2a4473ee24c16d700d714f51060ddf25bc92d7e0a6aa11d8ce·...·]-4">{</span><span·class="ss">idno</span><span·class="o">=</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> |
| 234 | ··························</span><span·class="ss">name</span><span·class="o">=</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> | 234 | ··························</span><span·class="ss">name</span><span·class="o">=</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> |
| 235 | ··························</span><span·class="ss">age</span><span·class="o">=</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> | 235 | ··························</span><span·class="ss">age</span><span·class="o">=</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> |
| 236 | ··························</span><span·class="ss">occupation</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id=" | 236 | ··························</span><span·class="ss">occupation</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id="7385017275-4">}</span><span·class="p">,</span><span·class="w"> |
| 237 | ················</span><span·class="p"·data-group-id=" | 237 | ················</span><span·class="p"·data-group-id="7385017275-5">[</span><span·class="p"·data-group-id="7385017275-5">]</span><span·class="p">,</span><span·class="w"> |
| 238 | ················</span><span·class="p"·data-group-id=" | 238 | ················</span><span·class="p"·data-group-id="7385017275-6">[</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="7385017275-6">]</span><span·class="p"·data-group-id="7385017275-3">}</span><span·class="p"·data-group-id="7385017275-2">]</span><span·class="p"·data-group-id="73850172[·...·truncated·by·diffoscope;·len:·434,·SHA:·08ee602e961d5ade4b29ac86f73caf850dfb80d034b72542502698972c01557e·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 239 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="5 | 239 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="1534851159-2">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="1534851159-3">(</span><span·class="n">X</span><span·class="p"·data-group-id="1534851159-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·919,·SHA:·116300bbea449e9c90f8fddb909b9d24562cca08783f895b8e395e8d698c67a7·...·]-4">{</span><span·class="ss">idno</span><span·class="o">=</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> |
| 240 | ··························</span><span·class="ss">name</span><span·class="o">=</span><span·class="s">"Bryan"</span><span·class="p">,</span><span·class="w"> | 240 | ··························</span><span·class="ss">name</span><span·class="o">=</span><span·class="s">"Bryan"</span><span·class="p">,</span><span·class="w"> |
| 241 | ··························</span><span·class="ss">age</span><span·class="o">=</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> | 241 | ··························</span><span·class="ss">age</span><span·class="o">=</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> |
| 242 | ··························</span><span·class="ss">occupation</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id=" | 242 | ··························</span><span·class="ss">occupation</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id="7079021912-4">}</span><span·class="p">,</span><span·class="w"> |
| 243 | ················</span><span·class="p"·data-group-id=" | 243 | ················</span><span·class="p"·data-group-id="7079021912-5">[</span><span·class="p"·data-group-id="7079021912-5">]</span><span·class="p">,</span><span·class="w"> |
| 244 | ················</span><span·class="p"·data-group-id=" | 244 | ················</span><span·class="p"·data-group-id="7079021912-6">[</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="7079021912-6">]</span><span·class="p"·data-group-id="7079021912-3">}</span><span·class="p"·data-group-id="7079021912-2">]</span><span·class="p"·data-group-id="70790219[·...·truncated·by·diffoscope;·len:·409,·SHA:·e2f844566320cb5f1396cb40d17b65df779e4ae4c2ef04ab36c69949f6974442·...·]8-1">)</span><span·class="p">,</span><span·class="w"> |
| 245 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id=" | 245 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="2230392988-2">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="2230392988-3">(</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="2230392988-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="k">case</span><span·class="w">·</span><span·class="n">X</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">name</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 246 | ································</span><span·class="s">"Bryan"</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 246 | ································</span><span·class="s">"Bryan"</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 247 | ····································</span><span·class="p"·data-group-id=" | 247 | ····································</span><span·class="p"·data-group-id="2230392988-4">[</span><span·class="n">X</span><span·class="o">#</span><span·class="ss">person</span><span·class="p">.</span><span·class="ss">age</span><span·class="p">|</span><span·class="n">Acc</span><span·class="p"·data-group-id="2230392988-4">]</span><span·class="p">;</span><span·class="w"> |
| 248 | ·································</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 248 | ·································</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 249 | ·····································</span><span·class="n">Acc</span><span·class="w"> | 249 | ·····································</span><span·class="n">Acc</span><span·class="w"> |
| 250 | ···························</span><span·class="k">end</span><span·class="w"> | 250 | ···························</span><span·class="k">end</span><span·class="w"> |
| 251 | ·············</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id=" | 251 | ·············</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2230392988-5">[</span><span·class="p"·data-group-id="2230392988-5">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TabList</span><span·class="p"·data-group-id="2230392988-2">)</span></code></pre><p>If·you·need·all·information·stored·in·the·Ets·table·about·persons·named·"Bryan", |
| 252 | then:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 252 | then:</p><p><strong>DO</strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="6179491341-1">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6179491341-2">[</span><span·class="p"·data-group-id="6179491341-3">{</span><span·class="o">#</span><span·class="ss">person</span>[·...·truncated·by·diffoscope;·len:·41,·SHA:·a69a795da0a4bb6284dbf38a921573078470b1fb4e388849616b90fdead2af2c·...·]-4">{</span><span·class="ss">idno</span><span·class="o">=</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> |
| 253 | ··························</span><span·class="ss">name</span><span·class="o">=</span><span·class="s">"Bryan"</span><span·class="p">,</span><span·class="w"> | 253 | ··························</span><span·class="ss">name</span><span·class="o">=</span><span·class="s">"Bryan"</span><span·class="p">,</span><span·class="w"> |
| 254 | ··························</span><span·class="ss">age</span><span·class="o">=</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> | 254 | ··························</span><span·class="ss">age</span><span·class="o">=</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> |
| 255 | ··························</span><span·class="ss">occupation</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id=" | 255 | ··························</span><span·class="ss">occupation</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id="6179491341-4">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6179491341-5">[</span><span·class="p"·data-group-id="6179491341-5">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6[·...·truncated·by·diffoscope;·len:·689,·SHA:·918ada4bc41ff80e7421ec691cfb8c1b2361058f7a8f5a11c1605eb82659db23·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 256 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">filter</span><span·class="p"·data-group-id=" | 256 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">filter</span><span·class="p"·data-group-id="4074341445-2">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="4074341445-3">(</span><span·class="n">X</span><span·class="p"·data-group-id="4074341445-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·411,·SHA:·afb003f5418615718aea4c3bca2903ac0785d9e5618027c2f38ea8f362eadfd3·...·]-2">)</span><span·class="p">,</span></code></pre><h3·id="ordered_set-tables"·class="section-heading"> |
| 257 | ··<a·href="#ordered_set-tables"·class="hover-link"> | 257 | ··<a·href="#ordered_set-tables"·class="hover-link"> |
| 258 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 258 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 259 | ··</a> | 259 | ··</a> |
| 260 | ··<span·class="text"><code·class="inline">ordered_set</code>·Tables</span> | 260 | ··<span·class="text"><code·class="inline">ordered_set</code>·Tables</span> |
| 261 | </h3> | 261 | </h3> |
| 262 | <p>If·the·data·in·the·table·is·to·be·accessed·so·that·the·order·of·the·keys·in·the | 262 | <p>If·the·data·in·the·table·is·to·be·accessed·so·that·the·order·of·the·keys·in·the |
| 263 | table·is·significant,·the·table·type·<code·class="inline">ordered_set</code>·can·be·used·instead·of·the | 263 | table·is·significant,·the·table·type·<code·class="inline">ordered_set</code>·can·be·used·instead·of·the |
| Offset 293, 20 lines modified | Offset 293, 20 lines modified | ||
| 293 | Clearly,·the·second·table·would·have·to·be·kept·consistent·with·the·master | 293 | Clearly,·the·second·table·would·have·to·be·kept·consistent·with·the·master |
| 294 | table.·Mnesia·can·do·this·for·you,·but·a·home-brew·index·table·can·be·very | 294 | table.·Mnesia·can·do·this·for·you,·but·a·home-brew·index·table·can·be·very |
| 295 | efficient·compared·to·the·overhead·involved·in·using·Mnesia.</p><p>An·index·table·for·the·table·in·the·previous·examples·would·have·to·be·a·bag·(as | 295 | efficient·compared·to·the·overhead·involved·in·using·Mnesia.</p><p>An·index·table·for·the·table·in·the·previous·examples·would·have·to·be·a·bag·(as |
| 296 | keys·would·appear·more·than·once)·and·can·have·the·following·contents:</p><pre><code·class="text">[#index_entry{name="Adam",·idno=1}, | 296 | keys·would·appear·more·than·once)·and·can·have·the·following·contents:</p><pre><code·class="text">[#index_entry{name="Adam",·idno=1}, |
| 297 | ·#index_entry{name="Bryan",·idno=2}, | 297 | ·#index_entry{name="Bryan",·idno=2}, |
| 298 | ·#index_entry{name="Bryan",·idno=3}, | 298 | ·#index_entry{name="Bryan",·idno=3}, |
| 299 | ·#index_entry{name="Carl",·idno=4}]</code></pre><p>Given·this·index·table,·a·lookup·of·the·<code·class="inline">age</code>·fields·for·all·persons·named | 299 | ·#index_entry{name="Carl",·idno=4}]</code></pre><p>Given·this·index·table,·a·lookup·of·the·<code·class="inline">age</code>·fields·for·all·persons·named |
| 300 | "Bryan"·can·be·done·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">MatchingIDs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id=" | 300 | "Bryan"·can·be·done·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">MatchingIDs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id="3546609998-1">(</span><span·class="n">IndexTable</span><span·class="p">,</span><span·class="s">"Bryan"</span><span·class="p"·data-group-id="3546609998-1">)</span><span·class="p">,</span><span·class="w"> |
| 301 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 301 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="3546609998-2">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="3546609998-3">(</span><span·class="o">#</span><span·class="ss">index_entry</span><span·class="p"·data-group-id="3546609998-4">{</span><span·class="ss">idno</span><span·class="w[·...·truncated·by·diffoscope;·len:·177,·SHA:·605f9c1ac6c5f6bd8c791e47bf9e6772a2cc4496c94364ba961efdcf445e572b·...·]-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 302 | ·················</span><span·class="p"·data-group-id=" | 302 | ·················</span><span·class="p"·data-group-id="3546609998-5">[</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="3546609998-6">{</span><span·class="ss">age</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Age</span><s[·...·truncated·by·diffoscope;·len:·458,·SHA:·8693c091749cd42eece2ac45ecacf8cfcbbbade028b604731efc46af48b67250·...·]-7">)</span><span·class="p">,</span><span·class="w"> |
| 303 | ·················</span><span·class="n">Age</span><span·class="w"> | 303 | ·················</span><span·class="n">Age</span><span·class="w"> |
| 304 | ··········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 304 | ··········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 305 | ··········</span><span·class="n">MatchingIDs</span><span·class="p"·data-group-id=" | 305 | ··········</span><span·class="n">MatchingIDs</span><span·class="p"·data-group-id="3546609998-2">)</span><span·class="p">,</span></code></pre><p>Notice·that·this·code·does·not·use·<a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#match/2"><code·class="inline">ets:match/2</code></a>,·but·instead·uses·the |
| 306 | <a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#lookup/2"><code·class="inline">ets:lookup/2</code></a>·call.·The·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#map/2"><code·class="inline">lists:map/2</code></a>·call·is·only·used·to·traverse·the·<code·class="inline">idno</code>s | 306 | <a·href="../../lib/stdlib-6.2.1/doc/html/ets.html#lookup/2"><code·class="inline">ets:lookup/2</code></a>·call.·The·<a·href="../../lib/stdlib-6.2.1/doc/html/lists.html#map/2"><code·class="inline">lists:map/2</code></a>·call·is·only·used·to·traverse·the·<code·class="inline">idno</code>s |
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| 184 | ······<p·class="built-using"> | 184 | ······<p·class="built-using"> |
| 185 | ········Built·using | 185 | ········Built·using |
| 186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 188 | ······</p> | 188 | ······</p> |
| 189 | <p>Copyright·©·1996-202 | 189 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 190 | ····</footer> | 190 | ····</footer> |
| 191 | ··</div> | 191 | ··</div> |
| 192 | </main> | 192 | </main> |
| 193 | </div> | 193 | </div> |
| 194 | <script> | 194 | <script> |
| 195 | ··function·mermaidLoaded()·{ | 195 | ··function·mermaidLoaded()·{ |
| 196 | ····mermaid.initialize({ | 196 | ····mermaid.initialize({ |
| Offset 238, 124 lines modified | Offset 238, 124 lines modified | ||
| 238 | and·optional·<code·class="inline">(=>)</code>·association·types.·If·an·association·type·is·mandatory,·an | 238 | and·optional·<code·class="inline">(=>)</code>·association·types.·If·an·association·type·is·mandatory,·an |
| 239 | association·with·that·type·needs·to·be·present.·In·the·case·of·an·optional | 239 | association·with·that·type·needs·to·be·present.·In·the·case·of·an·optional |
| 240 | association·type·it·is·not·required·for·the·key·type·to·be·present.</p><p>The·notation·<code·class="inline">#{}</code>·specifies·the·singleton·type·for·the·empty·map.·Note·that | 240 | association·type·it·is·not·required·for·the·key·type·to·be·present.</p><p>The·notation·<code·class="inline">#{}</code>·specifies·the·singleton·type·for·the·empty·map.·Note·that |
| 241 | this·notation·is·not·a·shorthand·for·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#t:map/0"><code·class="inline">map/0</code></a>·type.</p><p>For·convenience,·the·following·types·are·also·built-in.·They·can·be·thought·as | 241 | this·notation·is·not·a·shorthand·for·the·<a·href="../../erts-15.2.3/doc/html/erlang.html#t:map/0"><code·class="inline">map/0</code></a>·type.</p><p>For·convenience,·the·following·types·are·also·built-in.·They·can·be·thought·as |
| 242 | predefined·aliases·for·the·type·unions·also·shown·in·the·table.</p><p><a·href=""·id="builtin_types"></a></p><table><thead><tr><th·style="text-align:·left;"><em>Built-in·type</em></th><th·style="text-align:·left;"><em>Defined·as</em></th></tr></thead><tbody><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:term/0"><code·class="inline">term/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:any/0"><code·class="inline">any/0</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:binary/0"><code·class="inline">binary/0</code></a></td><td·style="text-align:·left;"><code·class="inline"><<_:_*8>></code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_binary/0"><code·class="inline">nonempty_binary/0</code></a></td><td·style="text-align:·left;"><code·class="inline"><<_:8,·_:_*8>></code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:bitstring/0"><code·class="inline">bitstring/0</code></a></td><td·style="text-align:·left;"><code·class="inline"><<_:_*1>></code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_bitstring/0"><code·class="inline">nonempty_bitstring/0</code></a></td><td·style="text-align:·left;"><code·class="inline"><<_:1,·_:_*1>></code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:boolean/0"><code·class="inline">boolean/0</code></a></td><td·style="text-align:·left;"><code·class="inline">'false'</code>·|·<code·class="inline">'true'</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:byte/0"><code·class="inline">byte/0</code></a></td><td·style="text-align:·left;"><code·class="inline">0..255</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:char/0"><code·class="inline">char/0</code></a></td><td·style="text-align:·left;"><code·class="inline">0..16#10ffff</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nil/0"><code·class="inline">nil/0</code></a></td><td·style="text-align:·left;"><code·class="inline">[]</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:number/0"><code·class="inline">number/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>·|·<a·href="../../erts-15.2.3/doc/html/erlang.html#t:float/0"><code·class="inline">float/0</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:list/0"><code·class="inline">list/0</code></a></td><td·style="text-align:·left;"><code·class="inline">[any()]</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:maybe_improper_list/0"><code·class="inline">maybe_improper_list/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:maybe_improper_list/2"><code·class="inline">maybe_improper_list(any(),·any())</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_list/0"><code·class="inline">nonempty_list/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_list/1"><code·class="inline">nonempty_list(any())</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:string/0"><code·class="inline">string/0</code></a></td><td·style="text-align:·left;"><code·class="inline">[char()]</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_string/0"><code·class="inline">nonempty_string/0</code></a></td><td·style="text-align:·left;"><code·class="inline">[char(),...]</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:iodata/0"><code·class="inline">iodata/0</code></a></td><td·style="text-align:·left;"><code·class="inline">iolist()</code>·|·<code·class="inline">binary()</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:iolist/0"><code·class="inline">iolist/0</code></a></td><td·style="text-align:·left;"><code·class="inline">maybe_improper_list(byte()</code>·|·<code·class="inline">binary()</code>·|·<code·class="inline">iolist(),·binary()</code>·|·<code·class="inline">[])</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:map/0"><code·class="inline">map/0</code></a></td><td·style="text-align:·left;"><code·class="inline">#{any()·=>·any()}</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:function/0"><code·class="inline">function/0</code></a></td><td·style="text-align:·left;"><code·class="inline">fun()</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:module/0"><code·class="inline">module/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:atom/0"><code·class="inline">atom/0</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:mfa/0"><code·class="inline">mfa/0</code></a></td><td·style="text-align:·left;"><code·class="inline">{module(),atom(),arity()}</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:arity/0"><code·class="inline">arity/0</code></a></td><td·style="text-align:·left;"><code·class="inline">0..255</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:identifier/0"><code·class="inline">identifier/0</code></a></td><td·style="text-align:·left;"><code·class="inline">pid()</code>·|·<code·class="inline">port()</code>·|·<code·class="inline">reference()</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#node/0"><code·class="inline">node/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:atom/0"><code·class="inline">atom/0</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:timeout/0"><code·class="inline">timeout/0</code></a></td><td·style="text-align:·left;"><code·class="inline">'infinity'</code>·|·<code·class="inline">non_neg_integer()</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:no_return/0"><code·class="inline">no_return/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:none/0"><code·class="inline">none/0</code></a></td></tr></tbody></table><p><em>Table:·Built-in·types,·predefined·aliases</em></p><p>In·addition,·the·following·three·built-in·types·exist·and·can·be·thought·as | 242 | predefined·aliases·for·the·type·unions·also·shown·in·the·table.</p><p><a·href=""·id="builtin_types"></a></p><table><thead><tr><th·style="text-align:·left;"><em>Built-in·type</em></th><th·style="text-align:·left;"><em>Defined·as</em></th></tr></thead><tbody><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:term/0"><code·class="inline">term/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:any/0"><code·class="inline">any/0</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:binary/0"><code·class="inline">binary/0</code></a></td><td·style="text-align:·left;"><code·class="inline"><<_:_*8>></code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_binary/0"><code·class="inline">nonempty_binary/0</code></a></td><td·style="text-align:·left;"><code·class="inline"><<_:8,·_:_*8>></code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:bitstring/0"><code·class="inline">bitstring/0</code></a></td><td·style="text-align:·left;"><code·class="inline"><<_:_*1>></code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_bitstring/0"><code·class="inline">nonempty_bitstring/0</code></a></td><td·style="text-align:·left;"><code·class="inline"><<_:1,·_:_*1>></code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:boolean/0"><code·class="inline">boolean/0</code></a></td><td·style="text-align:·left;"><code·class="inline">'false'</code>·|·<code·class="inline">'true'</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:byte/0"><code·class="inline">byte/0</code></a></td><td·style="text-align:·left;"><code·class="inline">0..255</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:char/0"><code·class="inline">char/0</code></a></td><td·style="text-align:·left;"><code·class="inline">0..16#10ffff</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nil/0"><code·class="inline">nil/0</code></a></td><td·style="text-align:·left;"><code·class="inline">[]</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:number/0"><code·class="inline">number/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>·|·<a·href="../../erts-15.2.3/doc/html/erlang.html#t:float/0"><code·class="inline">float/0</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:list/0"><code·class="inline">list/0</code></a></td><td·style="text-align:·left;"><code·class="inline">[any()]</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:maybe_improper_list/0"><code·class="inline">maybe_improper_list/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:maybe_improper_list/2"><code·class="inline">maybe_improper_list(any(),·any())</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_list/0"><code·class="inline">nonempty_list/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_list/1"><code·class="inline">nonempty_list(any())</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:string/0"><code·class="inline">string/0</code></a></td><td·style="text-align:·left;"><code·class="inline">[char()]</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:nonempty_string/0"><code·class="inline">nonempty_string/0</code></a></td><td·style="text-align:·left;"><code·class="inline">[char(),...]</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:iodata/0"><code·class="inline">iodata/0</code></a></td><td·style="text-align:·left;"><code·class="inline">iolist()</code>·|·<code·class="inline">binary()</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:iolist/0"><code·class="inline">iolist/0</code></a></td><td·style="text-align:·left;"><code·class="inline">maybe_improper_list(byte()</code>·|·<code·class="inline">binary()</code>·|·<code·class="inline">iolist(),·binary()</code>·|·<code·class="inline">[])</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:map/0"><code·class="inline">map/0</code></a></td><td·style="text-align:·left;"><code·class="inline">#{any()·=>·any()}</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:function/0"><code·class="inline">function/0</code></a></td><td·style="text-align:·left;"><code·class="inline">fun()</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:module/0"><code·class="inline">module/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:atom/0"><code·class="inline">atom/0</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:mfa/0"><code·class="inline">mfa/0</code></a></td><td·style="text-align:·left;"><code·class="inline">{module(),atom(),arity()}</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:arity/0"><code·class="inline">arity/0</code></a></td><td·style="text-align:·left;"><code·class="inline">0..255</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:identifier/0"><code·class="inline">identifier/0</code></a></td><td·style="text-align:·left;"><code·class="inline">pid()</code>·|·<code·class="inline">port()</code>·|·<code·class="inline">reference()</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#node/0"><code·class="inline">node/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:atom/0"><code·class="inline">atom/0</code></a></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:timeout/0"><code·class="inline">timeout/0</code></a></td><td·style="text-align:·left;"><code·class="inline">'infinity'</code>·|·<code·class="inline">non_neg_integer()</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:no_return/0"><code·class="inline">no_return/0</code></a></td><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:none/0"><code·class="inline">none/0</code></a></td></tr></tbody></table><p><em>Table:·Built-in·types,·predefined·aliases</em></p><p>In·addition,·the·following·three·built-in·types·exist·and·can·be·thought·as |
| 243 | defined·below,·though·strictly·their·"type·definition"·is·not·valid·syntax | 243 | defined·below,·though·strictly·their·"type·definition"·is·not·valid·syntax |
| 244 | according·to·the·type·language·defined·above.</p><table><thead><tr><th·style="text-align:·left;"><em>Built-in·type</em></th><th·style="text-align:·left;"><em>Can·be·thought·defined·by·the·syntax</em></th></tr></thead><tbody><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></td><td·style="text-align:·left;"><code·class="inline">0..</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:pos_integer/0"><code·class="inline">pos_integer/0</code></a></td><td·style="text-align:·left;"><code·class="inline">1..</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:neg_integer/0"><code·class="inline">neg_integer/0</code></a></td><td·style="text-align:·left;"><code·class="inline">..-1</code></td></tr></tbody></table><p><em>Table:·Additional·built-in·types</em></p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·following·built-in·list·types·also·exist,·but·they·are·expected·to·be | 244 | according·to·the·type·language·defined·above.</p><table><thead><tr><th·style="text-align:·left;"><em>Built-in·type</em></th><th·style="text-align:·left;"><em>Can·be·thought·defined·by·the·syntax</em></th></tr></thead><tbody><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></td><td·style="text-align:·left;"><code·class="inline">0..</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:pos_integer/0"><code·class="inline">pos_integer/0</code></a></td><td·style="text-align:·left;"><code·class="inline">1..</code></td></tr><tr><td·style="text-align:·left;"><a·href="../../erts-15.2.3/doc/html/erlang.html#t:neg_integer/0"><code·class="inline">neg_integer/0</code></a></td><td·style="text-align:·left;"><code·class="inline">..-1</code></td></tr></tbody></table><p><em>Table:·Additional·built-in·types</em></p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·following·built-in·list·types·also·exist,·but·they·are·expected·to·be |
| 245 | rarely·used.·Hence,·they·have·long·names:</p></section><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">nonempty_maybe_improper_list</span><span·class="p"·data-group-id=" | 245 | rarely·used.·Hence,·they·have·long·names:</p></section><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">nonempty_maybe_improper_list</span><span·class="p"·data-group-id="3785347136-1">(</span><span·class="p"·data-group-id="3785347136-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">nonempty_maybe_improper_list</span><span·class="p"·data-group-id="37[·...·truncated·by·diffoscope;·len:·375,·SHA:·6e2c122b9b01f626970633a2764d0a16d69788778293f419969ab36660e8f3d5·...·]-2">)</span><span·class="w"> |
| 246 | </span><span·class="nf">nonempty_improper_list</span><span·class="p"·data-group-id=" | 246 | </span><span·class="nf">nonempty_improper_list</span><span·class="p"·data-group-id="3785347136-5">(</span><span·class="n">Type1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Type2</span><span·class="p"·data-group-id="3785347136-5">)</span><span·class="w"> |
| 247 | </span><span·class="nf">nonempty_maybe_improper_list</span><span·class="p"·data-group-id=" | 247 | </span><span·class="nf">nonempty_maybe_improper_list</span><span·class="p"·data-group-id="3785347136-6">(</span><span·class="n">Type1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Type2</span><span·class="p"·data-group-id="3785347136-6">)</span></code></pre><p>where·the·last·two·types·define·the·set·of·Erlang·terms·one·would·expect.</p><p>Also·for·convenience,·record·notation·is·allowed·to·be·used.·Records·are |
| 248 | shorthands·for·the·corresponding·tuples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Record</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p">#</span><span·class="n">Erlang_Atom</span><span·class="p"·data-group-id="1 | 248 | shorthands·for·the·corresponding·tuples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Record</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p">#</span><span·class="n">Erlang_Atom</span><span·class="p"·data-group-id="1306649186-1">{</span><span·class="p"·data-group-id="1306649186-1">}</span><span·class="w"> |
| 249 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p">#</span><span·class="n">Erlang_Atom</span><span·class="p"·data-group-id="1 | 249 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p">#</span><span·class="n">Erlang_Atom</span><span·class="p"·data-group-id="1306649186-2">{</span><span·class="n">Fields</span><span·class="p"·data-group-id="1306649186-2">}</span></code></pre><p>Records·are·extended·to·possibly·contain·type·information.·This·is·described·in |
| 250 | <a·href="typespec.html#typeinrecords">Type·Information·in·Record·Declarations</a>.</p><h3·id="redefining-built-in-types"·class="section-heading"> | 250 | <a·href="typespec.html#typeinrecords">Type·Information·in·Record·Declarations</a>.</p><h3·id="redefining-built-in-types"·class="section-heading"> |
| 251 | ··<a·href="#redefining-built-in-types"·class="hover-link"> | 251 | ··<a·href="#redefining-built-in-types"·class="hover-link"> |
| 252 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 252 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 253 | ··</a> | 253 | ··</a> |
| 254 | ··<span·class="text">Redefining·built-in·types</span> | 254 | ··<span·class="text">Redefining·built-in·types</span> |
| 255 | </h3> | 255 | </h3> |
| 256 | <section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Starting·from·Erlang/OTP·26,·it·is·permitted·to·define·a·type·having·the·same | 256 | <section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Starting·from·Erlang/OTP·26,·it·is·permitted·to·define·a·type·having·the·same |
| 257 | name·as·a·built-in·type.</p></section><p>It·is·recommended·to·avoid·deliberately·reusing·built-in·names·because·it·can·be | 257 | name·as·a·built-in·type.</p></section><p>It·is·recommended·to·avoid·deliberately·reusing·built-in·names·because·it·can·be |
| 258 | confusing.·However,·when·an·Erlang/OTP·release·introduces·a·new·type,·code·that | 258 | confusing.·However,·when·an·Erlang/OTP·release·introduces·a·new·type,·code·that |
| 259 | happened·to·define·its·own·type·having·the·same·name·will·continue·to·work.</p><p>As·an·example,·imagine·that·the·Erlang/OTP·42·release·introduces·a·new·type | 259 | happened·to·define·its·own·type·having·the·same·name·will·continue·to·work.</p><p>As·an·example,·imagine·that·the·Erlang/OTP·42·release·introduces·a·new·type |
| 260 | <code·class="inline">gadget()</code>·defined·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">gadget</span><span·class="p"·data-group-id=" | 260 | <code·class="inline">gadget()</code>·defined·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">gadget</span><span·class="p"·data-group-id="3140130919-1">(</span><span·class="p"·data-group-id="3140130919-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="3140130919-2">{</span><span·class="ss">'gadget'[·...·truncated·by·diffoscope;·len:·236,·SHA:·1b611bdb44d35ec7209da22f491c74c2eee40b01e0ef2e137f3e61aac7bc1f6b·...·]-2">}</span><span·class="p">.</span></code></pre><p>Further·imagine·that·some·code·has·its·own·(different)·definition·of·<code·class="inline">gadget()</code>, |
| 261 | for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">gadget</span><span·class="p"·data-group-id="8 | 261 | for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">gadget</span><span·class="p"·data-group-id="8011703428-1">(</span><span·class="p"·data-group-id="8011703428-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="8011703428-2">#{</span><span·class="p"·data-group-id="8[·...·truncated·by·diffoscope;·len:·9,·SHA:·2689ebcc095b9639e905a46dbbaef41e72558f11534d4e157b644a2022bd3d7c·...·]-2">}</span><span·class="p">.</span></code></pre><p>Since·redefinitions·are·allowed,·the·code·will·still·compile·(but·with·a |
| 262 | warning),·and·Dialyzer·will·not·emit·any·additional·warnings.</p><h2·id="type-declarations-of-user-defined-types"·class="section-heading"> | 262 | warning),·and·Dialyzer·will·not·emit·any·additional·warnings.</p><h2·id="type-declarations-of-user-defined-types"·class="section-heading"> |
| 263 | ··<a·href="#type-declarations-of-user-defined-types"·class="hover-link"> | 263 | ··<a·href="#type-declarations-of-user-defined-types"·class="hover-link"> |
| 264 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 264 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 265 | ··</a> | 265 | ··</a> |
| 266 | ··<span·class="text">Type·Declarations·of·User-Defined·Types</span> | 266 | ··<span·class="text">Type·Declarations·of·User-Defined·Types</span> |
| 267 | </h2> | 267 | </h2> |
| 268 | <p>As·seen,·the·basic·syntax·of·a·type·is·an·atom·followed·by·closed·parentheses. | 268 | <p>As·seen,·the·basic·syntax·of·a·type·is·an·atom·followed·by·closed·parentheses. |
| 269 | New·types·are·declared·using·<code·class="inline">-type</code>·and·<code·class="inline">-opaque</code>·attributes·as·in·the | 269 | New·types·are·declared·using·<code·class="inline">-type</code>·and·<code·class="inline">-opaque</code>·attributes·as·in·the |
| 270 | following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">my_struct_type</span><span·class="p"·data-group-id=" | 270 | following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">my_struct_type</span><span·class="p"·data-group-id="8616305950-1">(</span><span·class="p"·data-group-id="8616305950-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Type</span><span·class="p">.</span><span·class="w"> |
| 271 | </span><span·class="p">-</span><span·class="na">opaque</span><span·class="w">·</span><span·class="nf">my_opaq_type</span><span·class="p"·data-group-id=" | 271 | </span><span·class="p">-</span><span·class="na">opaque</span><span·class="w">·</span><span·class="nf">my_opaq_type</span><span·class="p"·data-group-id="8616305950-2">(</span><span·class="p"·data-group-id="8616305950-2">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Type</span><span·class="p">.</span></code></pre><p>The·type·name·is·the·atom·<code·class="inline">my_struct_type</code>,·followed·by·parentheses.·<code·class="inline">Type</code>·is·a |
| 272 | type·as·defined·in·the·previous·section.·A·current·restriction·is·that·<code·class="inline">Type</code> | 272 | type·as·defined·in·the·previous·section.·A·current·restriction·is·that·<code·class="inline">Type</code> |
| 273 | can·contain·only·predefined·types,·or·user-defined·types·which·are·either·of·the | 273 | can·contain·only·predefined·types,·or·user-defined·types·which·are·either·of·the |
| 274 | following:</p><ul><li>Module-local·type,·that·is,·with·a·definition·that·is·present·in·the·code·of | 274 | following:</p><ul><li>Module-local·type,·that·is,·with·a·definition·that·is·present·in·the·code·of |
| 275 | the·module</li><li>Remote·type,·that·is,·type·defined·in,·and·exported·by,·other·modules;·more | 275 | the·module</li><li>Remote·type,·that·is,·type·defined·in,·and·exported·by,·other·modules;·more |
| 276 | about·this·soon.</li></ul><p>For·module-local·types,·the·restriction·that·their·definition·exists·in·the | 276 | about·this·soon.</li></ul><p>For·module-local·types,·the·restriction·that·their·definition·exists·in·the |
| 277 | module·is·enforced·by·the·compiler·and·results·in·a·compilation·error.·(A | 277 | module·is·enforced·by·the·compiler·and·results·in·a·compilation·error.·(A |
| 278 | similar·restriction·currently·exists·for·records.)</p><p>Type·declarations·can·also·be·parameterized·by·including·type·variables·between | 278 | similar·restriction·currently·exists·for·records.)</p><p>Type·declarations·can·also·be·parameterized·by·including·type·variables·between |
| 279 | the·parentheses.·The·syntax·of·type·variables·is·the·same·as·Erlang·variables, | 279 | the·parentheses.·The·syntax·of·type·variables·is·the·same·as·Erlang·variables, |
| 280 | that·is,·starts·with·an·upper-case·letter.·These·variables·is·to | 280 | that·is,·starts·with·an·upper-case·letter.·These·variables·is·to |
| 281 | appear·on·the·RHS·of·the·definition.·A·concrete·example·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">orddict</span><span·class="p"·data-group-id="4766205398-1">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Val</span><span·class="p"·data-group-id="4766205398-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="4766205398-2">[</span><span·class="p"·data-group-id="4766205398-3">{</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Val</span><span·class="p"·data-group-id="4766205398-3">}</span><span·class="p"·data-group-id="4766205398-2">]</span><span·class="p">.</span></code></pre><p>A·module·can·export·some·types·to·declare·that·other·modules·are·allowed·to | ||
| 282 | 281 | appear·on·the·RHS·of·the·definition.·A·concrete·example·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">orddict</span><span·class="p"·data-group-id="55[·...·truncated·by·diffoscope;·len:·693,·SHA:·3b77ead456c328a616cee0facc2d6e8ce332d4675e24fac3d5b17ede727b5ab5·...·]·to | |
| 282 | refer·to·them·as·<em>remote·types</em>.·This·declaration·has·the·following·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">export_type</span><span·class="p"·data-group-id="2775025257-1">(</span><span·class="p"·data-group-id="2775025257-2">[</span><span·class="n">T1</span><span·class="o">/</span><span·class="n">A1</span><span·class="p">,</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tk</span><span·class="o">/</span><span·class="n">Ak</span><span·class="p"·data-group-id="2775025257-2">]</span><span·class="p"·data-group-id="2775025257-1">)</span><span·class="p">.</span></code></pre><p>Here·the·<code·class="inline">Ti</code>s·are·atoms·(the·name·of·the·type)·and·the·<code·class="inline">Ai</code>s·are·their·arguments.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">export_type</span><span·class="p"·data-group-id="2713651684-1">(</span><span·class="p"·data-group-id="2713651684-2">[</span><span·class="ss">my_struct_type</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">orddict</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id="2713651684-2">]</span><span·class="p"·data-group-id="2713651684-1">)</span><span·class="p">.</span></code></pre><p>Assuming·that·these·types·are·exported·from·module·<code·class="inline">'mod'</code>,·you·can·refer·to | ||
| 283 | them·from·other·modules·using·remote·type·expressions·like·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mod</span><span·class="p">:</span><span·class="nf">my_struct_type</span><span·class="p"·data-group-id=" | 283 | them·from·other·modules·using·remote·type·expressions·like·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mod</span><span·class="p">:</span><span·class="nf">my_struct_type</span><span·class="p"·data-group-id="6058006244-1">(</span><span·class="p"·data-group-id="6058006244-1">)</span><span·class="w"> |
| 284 | </span><span·class="nc">mod</span><span·class="p">:</span><span·class="nf">orddict</span><span·class="p"·data-group-id=" | 284 | </span><span·class="nc">mod</span><span·class="p">:</span><span·class="nf">orddict</span><span·class="p"·data-group-id="6058006244-2">(</span><span·class="nf">atom</span><span·class="p"·data-group-id="6058006244-3">(</span><span·class="p"·data-group-id="6058006244-3">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·123,·SHA:·83f048512cfe23988579b722380708a72a6f1407cdd058b9f1123101e50d044f·...·]-2">)</span></code></pre><p>It·is·not·allowed·to·refer·to·types·that·are·not·declared·as·exported.</p><p>Types·declared·as·<code·class="inline">opaque</code>·represent·sets·of·terms·whose·structure·is·not |
| 285 | supposed·to·be·visible·from·outside·of·their·defining·module.·That·is,·only·the | 285 | supposed·to·be·visible·from·outside·of·their·defining·module.·That·is,·only·the |
| 286 | module·defining·them·is·allowed·to·depend·on·their·term·structure.·Consequently, | 286 | module·defining·them·is·allowed·to·depend·on·their·term·structure.·Consequently, |
| 287 | such·types·do·not·make·much·sense·as·module·local·-·module·local·types·are·not | 287 | such·types·do·not·make·much·sense·as·module·local·-·module·local·types·are·not |
| 288 | accessible·by·other·modules·anyway·-·and·is·always·to·be·exported.</p><p>Read·more·on·<a·href="opaques.html">Opaques</a></p><p><a·href=""·id="typeinrecords"></a></p><h2·id="type-information-in-record-declarations"·class="section-heading"> | 288 | accessible·by·other·modules·anyway·-·and·is·always·to·be·exported.</p><p>Read·more·on·<a·href="opaques.html">Opaques</a></p><p><a·href=""·id="typeinrecords"></a></p><h2·id="type-information-in-record-declarations"·class="section-heading"> |
| 289 | ··<a·href="#type-information-in-record-declarations"·class="hover-link"> | 289 | ··<a·href="#type-information-in-record-declarations"·class="hover-link"> |
| 290 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 290 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 291 | ··</a> | 291 | ··</a> |
| 292 | ··<span·class="text">Type·Information·in·Record·Declarations</span> | 292 | ··<span·class="text">Type·Information·in·Record·Declarations</span> |
| 293 | </h2> | 293 | </h2> |
| 294 | <p>The·types·of·record·fields·can·be·specified·in·the·declaration·of·the·record. | 294 | <p>The·types·of·record·fields·can·be·specified·in·the·declaration·of·the·record. |
| 295 | The·syntax·for·this·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 295 | The·syntax·for·this·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="8931740506-1">(</span><span·class="ss">rec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8931740506-2">{</span><span·class="ss">field1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><spa[·...·truncated·by·diffoscope;·len:·422,·SHA:·b06cdd8c314a038fc860b701829bacf310e313854312adcec308d9f240b3e202·...·]-1">)</span><span·class="p">.</span></code></pre><p>For·fields·without·type·annotations,·their·type·defaults·to·<code·class="inline">any()</code>.·That·is,·the |
| 296 | previous·example·is·a·shorthand·for·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 296 | previous·example·is·a·shorthand·for·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="3789411322-1">(</span><span·class="ss">rec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3789411322-2">{</span><span·class="ss">field1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><spa[·...·truncated·by·diffoscope;·len:·651,·SHA:·0078091e6051b561fd39dd07cbb93e95e33167fd17110938241848905eb4ff74·...·]-1">)</span><span·class="p">.</span></code></pre><p>In·the·presence·of·initial·values·for·fields,·the·type·must·be·declared·after |
| 297 | the·initialization,·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 297 | the·initialization,·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="7373411263-1">(</span><span·class="ss">rec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7373411263-2">{</span><span·class="ss">field1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·698,·SHA:·dcbc238724b10996848127992d019cd7192c436c093c9a073847b28f76f679fa·...·]-1">)</span><span·class="p">.</span></code></pre><p>The·initial·values·for·fields·are·to·be·compatible·with·(that·is,·a·member·of) |
| 298 | the·corresponding·types.·This·is·checked·by·the·compiler·and·results·in·a | 298 | the·corresponding·types.·This·is·checked·by·the·compiler·and·results·in·a |
| 299 | compilation·error·if·a·violation·is·detected.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·Erlang/OTP·19,·for·fields·without·initial·values,·the·singleton·type | 299 | compilation·error·if·a·violation·is·detected.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·Erlang/OTP·19,·for·fields·without·initial·values,·the·singleton·type |
| 300 | <code·class="inline">'undefined'</code>·was·added·to·all·declared·types.·In·other·words,·the·following | 300 | <code·class="inline">'undefined'</code>·was·added·to·all·declared·types.·In·other·words,·the·following |
| 301 | two·record·declarations·had·identical·effects:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 301 | two·record·declarations·had·identical·effects:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="5498437306-1">(</span><span·class="ss">rec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5498437306-2">{</span><span·class="ss">f1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·239,·SHA:·9d09df6dd3a8b8efc2c76ccf21fd370b62f6a68abbd37f873c02b43a7ac36916·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 302 | ·············</span><span·class="ss">f2</span><span·class="w">······</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">float</span><span·class="p"·data-group-id=" | 302 | ·············</span><span·class="ss">f2</span><span·class="w">······</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">float</span><span·class="p"·data-group-id="5498437306-4">(</span><span·class="p"·data-group-id="5498437306-4">)</span><span·class="p">,</span><span·class="w"> |
| 303 | ·············</span><span·class="ss">f3</span><span·class="w">······</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'a'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'b'</span><span·class="p"·data-group-id=" | 303 | ·············</span><span·class="ss">f3</span><span·class="w">······</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'a'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'b'</span><span·class="p"·data-group-id="5498437306-2">}</span><span·class="p"·data-group-id="5498437306-1">)</span><span·class="p">.</span><span·class="w"> |
| 304 | </span><span·class="w"> | 304 | </span><span·class="w"> |
| 305 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 305 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="5498437306-5">(</span><span·class="ss">rec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5498437306-6">{</span><span·class="ss">f1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·239,·SHA:·7e9c49c1623b07e8b24d809dfd7b8640c0ef6ab2363abc92e2eaa71ff2fc6883·...·]-7">)</span><span·class="p">,</span><span·class="w"> |
| 306 | ··············</span><span·class="ss">f2</span><span·class="w">······</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'undefined'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">float</span><span·class="p"·data-group-id=" | 306 | ··············</span><span·class="ss">f2</span><span·class="w">······</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'undefined'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">float</span><span·class="p"·data-group-id="5498437306-8">(</span><span·class="p"·data-group-id="5498437306-8">)</span><span·class="p">,</span><span·class="w"> |
| 307 | ··············</span><span·class="ss">f3</span><span·class="w">······</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'undefined'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'a'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'b'</span><span·class="p"·data-group-id=" | 307 | ··············</span><span·class="ss">f3</span><span·class="w">······</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'undefined'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'a'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'b'</span><span·class="p"·data-group-id="5498437306-6">}</span><span·class="p"·data-group-id="5498437306-5">)</span><span·class="p">.</span></code></pre><p>This·is·no·longer·the·case.·If·you·require·<code·class="inline">'undefined'</code>·in·your·record·field |
| 308 | type,·you·must·explicitly·add·it·to·the·typespec,·as·in·the·2nd·example.</p></section><p>Any·record,·containing·type·information·or·not,·once·defined,·can·be·used·as·a | 308 | type,·you·must·explicitly·add·it·to·the·typespec,·as·in·the·2nd·example.</p></section><p>Any·record,·containing·type·information·or·not,·once·defined,·can·be·used·as·a |
| 309 | type·using·the·following·syntax:</p><pre><code·class="text">#rec{}</code></pre><p>In·addition,·the·record·fields·can·be·further·specified·when·using·a·record·type | 309 | type·using·the·following·syntax:</p><pre><code·class="text">#rec{}</code></pre><p>In·addition,·the·record·fields·can·be·further·specified·when·using·a·record·type |
| 310 | by·adding·type·information·about·the·field·as·follows:</p><pre><code·class="text">#rec{some_field·::·Type}</code></pre><p>Any·unspecified·fields·are·assumed·to·have·the·type·in·the·original·record | 310 | by·adding·type·information·about·the·field·as·follows:</p><pre><code·class="text">#rec{some_field·::·Type}</code></pre><p>Any·unspecified·fields·are·assumed·to·have·the·type·in·the·original·record |
| 311 | declaration.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>When·records·are·used·to·create·patterns·for·ETS·and·Mnesia·match·functions, | 311 | declaration.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>When·records·are·used·to·create·patterns·for·ETS·and·Mnesia·match·functions, |
| 312 | Dialyzer·may·need·some·help·not·to·emit·bad·warnings.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">height</span><span·class="p"·data-group-id=" | 312 | Dialyzer·may·need·some·help·not·to·emit·bad·warnings.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">height</span><span·class="p"·data-group-id="6241713280-1">(</span><span·class="p"·data-group-id="6241713280-1">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">pos_integer</span><span·class="p"·data-group-id="6241713280-2">(</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·b1c2f6498cd31e92b3ebb4b78550db45b3de275070b54c336995c6cde34c8257·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 313 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 313 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6241713280-3">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6241713280-4">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><sp[·...·truncated·by·diffoscope;·len:·561,·SHA:·5760339b6e93ea5611f0a12afeeab81ab940d962bc7d57d04c53f5ca6e356cca·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 314 | </span><span·class="nf">lookup</span><span·class="p"·data-group-id=" | 314 | </span><span·class="nf">lookup</span><span·class="p"·data-group-id="6241713280-7">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p"·data-group-id="6241713280-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 315 | ····</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_object</span><span·class="p"·data-group-id=" | 315 | ····</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_object</span><span·class="p"·data-group-id="6241713280-8">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="6241713280-9">{</span><span·class="ss">name</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·347,·SHA:·8994de414e41ab2c1b98d9151d7b9c52118b88fd287f4b55e25915727ca82571·...·]-8">)</span><span·class="p">.</span></code></pre><p>Dialyzer·will·emit·a·warning·since·<code·class="inline">'_'</code>·is·not·in·the·type·of·record·field |
| 316 | <code·class="inline">height</code>.</p><p>The·recommended·way·of·dealing·with·this·is·to·declare·the·smallest·record | 316 | <code·class="inline">height</code>.</p><p>The·recommended·way·of·dealing·with·this·is·to·declare·the·smallest·record |
| 317 | field·types·to·accommodate·all·your·needs,·and·then·create·refinements·as | 317 | field·types·to·accommodate·all·your·needs,·and·then·create·refinements·as |
| 318 | needed.·The·modified·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 318 | needed.·The·modified·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="9587998039-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9587998039-2">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><sp[·...·truncated·by·diffoscope;·len:·668,·SHA:·138b1df31f3995865aa73e0aed74ea84fe7f94a5f976c2c0e3dc500ba3590419·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 319 | </span><span·class="w"> | 319 | </span><span·class="w"> |
| 320 | </span><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">person</span><span·class="p"·data-group-id=" | 320 | </span><span·class="p">-</span><span·class="na">type</span><span·class="w">·</span><span·class="nf">person</span><span·class="p"·data-group-id="9587998039-5">(</span><span·class="p"·data-group-id="9587998039-5">)</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·325,·SHA:·1902fc72865818975661597a0cc98303671aba13ea66073380136643a0126ec6·...·]-6">}</span><span·class="p">.</span></code></pre><p>In·specifications·and·type·declarations·the·type·<code·class="inline">person()</code>·is·to·be·preferred |
| 321 | before·<code·class="inline">#person{}</code>.</p></section><h2·id="specifications-for-functions"·class="section-heading"> | 321 | before·<code·class="inline">#person{}</code>.</p></section><h2·id="specifications-for-functions"·class="section-heading"> |
| 322 | ··<a·href="#specifications-for-functions"·class="hover-link"> | 322 | ··<a·href="#specifications-for-functions"·class="hover-link"> |
| 323 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 323 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 324 | ··</a> | 324 | ··</a> |
| 325 | ··<span·class="text">Specifications·for·Functions</span> | 325 | ··<span·class="text">Specifications·for·Functions</span> |
| 326 | </h2> | 326 | </h2> |
| 327 | <p>A·specification·(or·contract)·for·a·function·is·given·using·the·<code·class="inline">-spec</code> | 327 | <p>A·specification·(or·contract)·for·a·function·is·given·using·the·<code·class="inline">-spec</code> |
| 328 | attribute.·The·general·format·is·as·follows:</p><pre><code·class="text">-spec·Function(ArgType1,·...,·ArgTypeN)·->·ReturnType.</code></pre><p>An·implementation·of·the·function·with·the·same·name·<code·class="inline">Function</code>·must·exist·in | 328 | attribute.·The·general·format·is·as·follows:</p><pre><code·class="text">-spec·Function(ArgType1,·...,·ArgTypeN)·->·ReturnType.</code></pre><p>An·implementation·of·the·function·with·the·same·name·<code·class="inline">Function</code>·must·exist·in |
| 329 | the·current·module,·and·the·arity·of·the·function·must·match·the·number·of | 329 | the·current·module,·and·the·arity·of·the·function·must·match·the·number·of |
| 330 | arguments,·otherwise·the·compilation·fails.</p><p>The·following·longer·format·with·module·name·is·also·valid·as·long·as·<code·class="inline">Module</code> | 330 | arguments,·otherwise·the·compilation·fails.</p><p>The·following·longer·format·with·module·name·is·also·valid·as·long·as·<code·class="inline">Module</code> |
| 331 | is·the·name·of·the·current·module.·This·can·be·useful·for·documentation | 331 | is·the·name·of·the·current·module.·This·can·be·useful·for·documentation |
| 332 | purposes.</p><pre><code·class="text">-spec·Module:Function(ArgType1,·...,·ArgTypeN)·->·ReturnType.</code></pre><p>Also,·for·documentation·purposes,·argument·names·can·be·given:</p><pre><code·class="text">-spec·Function(ArgName1·::·Type1,·...,·ArgNameN·::·TypeN)·->·RT.</code></pre><p>A·function·specification·can·be·overloaded.·That·is,·it·can·have·several·types, | 332 | purposes.</p><pre><code·class="text">-spec·Module:Function(ArgType1,·...,·ArgTypeN)·->·ReturnType.</code></pre><p>Also,·for·documentation·purposes,·argument·names·can·be·given:</p><pre><code·class="text">-spec·Function(ArgName1·::·Type1,·...,·ArgNameN·::·TypeN)·->·RT.</code></pre><p>A·function·specification·can·be·overloaded.·That·is,·it·can·have·several·types, |
| 333 | separated·by·a·semicolon·(<code·class="inline">;</code>).·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="7 | 333 | separated·by·a·semicolon·(<code·class="inline">;</code>).·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="7102972673-1">(</span><span·class="n">T1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">T2</span><span·class="p"·data-group-id="7102972673-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">T3</span><span·class="p">;</span><span·class="w"> |
| 334 | ·········</span><span·class="p"·data-group-id="7 | 334 | ·········</span><span·class="p"·data-group-id="7102972673-2">(</span><span·class="n">T4</span><span·class="p">,</span><span·class="w">·</span><span·class="n">T5</span><span·class="p"·data-group-id="7102972673-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">T6</span><span·class="p">.</span></code></pre><p>A·current·restriction,·which·currently·results·in·a·warning·by·Dialyzer,·is·that |
| 335 | the·domains·of·the·argument·types·cannot·overlap.·For·example,·the·following | 335 | the·domains·of·the·argument·types·cannot·overlap.·For·example,·the·following |
| 336 | specification·results·in·a·warning:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 336 | specification·results·in·a·warning:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="1855298530-1">(</span><span·class="nf">pos_integer</span><span·class="p"·data-group-id="1855298530-2">(</span><span·class="p"·data-group-id="1855298530-2">)</span><span·class="p"·data-group-id="1855298530-1">)</span><span·class="w">·</span><span·class="p">[·...·truncated·by·diffoscope;·len:·165,·SHA:·922b78a06271dbe00bffa6d2fd10948ed3c079574f4fe8fcc5166db3a12111f4·...·]-3">)</span><span·class="p">;</span><span·class="w"> |
| 337 | ·········</span><span·class="p"·data-group-id=" | 337 | ·········</span><span·class="p"·data-group-id="1855298530-4">(</span><span·class="nf">integer</span><span·class="p"·data-group-id="1855298530-5">(</span><span·class="p"·data-group-id="1855298530-5">)</span><span·class="p"·data-group-id="1855298530-4">)</span><span·class="w">·</span><span·class="p">->[·...·truncated·by·diffoscope;·len:·157,·SHA:·a261d6c741ecef56001857ab06f11b0d49a6b30c317ec249fd96bfd58069d60d·...·]-6">)</span><span·class="p">.</span></code></pre><p>Type·variables·can·be·used·in·specifications·to·specify·relations·for·the·input |
| 338 | and·output·arguments·of·a·function.·For·example,·the·following·specification | 338 | and·output·arguments·of·a·function.·For·example,·the·following·specification |
| 339 | defines·the·type·of·a·polymorphic·identity·function:</p><pre><code·class="text">-spec·id(X)·->·X.</code></pre><p>Notice·that·the·above·specification·does·not·restrict·the·input·and·output·type | 339 | defines·the·type·of·a·polymorphic·identity·function:</p><pre><code·class="text">-spec·id(X)·->·X.</code></pre><p>Notice·that·the·above·specification·does·not·restrict·the·input·and·output·type |
| 340 | in·any·way.·These·types·can·be·constrained·by·guard-like·subtype·constraints·and | 340 | in·any·way.·These·types·can·be·constrained·by·guard-like·subtype·constraints·and |
| 341 | provide·bounded·quantification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">id</span><span·class="p"·data-group-id=" | 341 | provide·bounded·quantification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">id</span><span·class="p"·data-group-id="2415641354-1">(</span><span·class="n">X</span><span·class="p"·data-group-id="2415641354-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class="k">when</span><span·[·...·truncated·by·diffoscope;·len:·261,·SHA:·d9a9fbb78b28f593cc5f07f7102f3a583ec88217cf12a849fa351e50ea900de3·...·]-2">)</span><span·class="p">.</span></code></pre><p>Currently,·the·<code·class="inline">::</code>·constraint·(read·as·"is·a·subtype·of")·is·the·only·guard |
| 342 | constraint·that·can·be·used·in·the·<code·class="inline">when</code>·part·of·a·<code·class="inline">-spec</code>·attribute.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·above·function·specification·uses·multiple·occurrences·of·the·same·type | 342 | constraint·that·can·be·used·in·the·<code·class="inline">when</code>·part·of·a·<code·class="inline">-spec</code>·attribute.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·above·function·specification·uses·multiple·occurrences·of·the·same·type |
| 343 | variable.·That·provides·more·type·information·than·the·following·function | 343 | variable.·That·provides·more·type·information·than·the·following·function |
| 344 | specification,·where·the·type·variables·are·missing:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">id</span><span·class="p"·data-group-id=" | 344 | specification,·where·the·type·variables·are·missing:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">id</span><span·class="p"·data-group-id="0919440864-1">(</span><span·class="nf">tuple</span><span·class="p"·data-group-id="0919440864-2">(</span><span·class="p"·data-group-id="0919440864-2">)</span><span·class="p"·data-group-id="0919440864-1">)</span><span·class="w">·</span><span·class="p">-><[·...·truncated·by·diffoscope;·len:·153,·SHA:·84df30dbd54a46bce5ecb5b47071cb714e8e4e03e265e4a328027424be8f6089·...·]-3">)</span><span·class="p">.</span></code></pre><p>The·latter·specification·says·that·the·function·takes·some·tuple·and·returns |
| 345 | some·tuple.·The·specification·with·the·<code·class="inline">X</code>·type·variable·specifies·that·the | 345 | some·tuple.·The·specification·with·the·<code·class="inline">X</code>·type·variable·specifies·that·the |
| 346 | function·takes·a·tuple·and·returns·<em>the·same</em>·tuple.</p><p>However,·it·is·up·to·the·tools·that·process·the·specifications·to·choose | 346 | function·takes·a·tuple·and·returns·<em>the·same</em>·tuple.</p><p>However,·it·is·up·to·the·tools·that·process·the·specifications·to·choose |
| 347 | whether·to·take·this·extra·information·into·account·or·not.</p></section><p>The·scope·of·a·<code·class="inline">::</code>·constraint·is·the·<code·class="inline">(...)·->·RetType</code>·specification·after | 347 | whether·to·take·this·extra·information·into·account·or·not.</p></section><p>The·scope·of·a·<code·class="inline">::</code>·constraint·is·the·<code·class="inline">(...)·->·RetType</code>·specification·after |
| 348 | which·it·appears.·To·avoid·confusion,·it·is·suggested·that·different·variables | 348 | which·it·appears.·To·avoid·confusion,·it·is·suggested·that·different·variables |
| 349 | are·used·in·different·constituents·of·an·overloaded·contract,·as·shown·in·the | 349 | are·used·in·different·constituents·of·an·overloaded·contract,·as·shown·in·the |
| 350 | following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="0897065811-1">(</span><span·class="p"·data-group-id="0897065811-2">{</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="0897065811-3">(</span><span·class="p"·data-group-id="0897065811-3">)</span><span·class="p"·data-group-id="0897065811-2">}</span><span·class="p"·data-group-id="0897065811-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="0897065811-4">(</span><span·class="p"·data-group-id="0897065811-4">)</span><span·class="p">;</span><span·class="w"> | ||
| 351 | · | 350 | following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="0542268918-1">(</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·807,·SHA:·5d5ae6a404f8678ef4b91075bb4663dfeaae6852f1ade19944bff57a8ea4ae54·...·] |
| 351 | ·········</span><span·class="p"·data-group-id="0542268918-5">(</span><span·class="p"·data-group-id="0542268918-6">[</span><span·class="n">Y</span><span·class="p"·data-group-id="0542268918-6">]</span><span·class="p"·data-group-id="0542268918-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Y</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Y</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">number</span><span·class="p"·data-group-id="0542268918-7">(</span><span·class="p"·data-group-id="0542268918-7">)</span><span·class="p">.</span></code></pre><p>Some·functions·in·Erlang·are·not·meant·to·return;·either·because·they·define | ||
| 352 | servers·or·because·they·are·used·to·throw·exceptions,·as·in·the·following | 352 | servers·or·because·they·are·used·to·throw·exceptions,·as·in·the·following |
| 353 | function:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_error</span><span·class="p"·data-group-id=" | 353 | function:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_error</span><span·class="p"·data-group-id="8462709206-1">(</span><span·class="n">Err</span><span·class="p"·data-group-id="8462709206-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">throw</span><span·class="p"·data-group-id="8462709206-2">(</sp[·...·truncated·by·diffoscope;·len:·253,·SHA:·51ff5d9ccb1ff4448676dc4c93a69563e5449dcff7928c2afa500029bc3d153d·...·]-2">)</span><span·class="p">.</span></code></pre><p>For·such·functions,·it·is·recommended·to·use·the·special·<a·href="../../erts-15.2.3/doc/html/erlang.html#t:no_return/0"><code·class="inline">no_return/0</code></a>·type |
| 354 | for·their·"return",·through·a·contract·of·the·following·form:</p><pre><code·class="text">-spec·my_error(term())·->·no_return().</code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Erlang·uses·the·shorthand·version·<code·class="inline">_</code>·as·an·anonymous·type·variable·equivalent | 354 | for·their·"return",·through·a·contract·of·the·following·form:</p><pre><code·class="text">-spec·my_error(term())·->·no_return().</code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Erlang·uses·the·shorthand·version·<code·class="inline">_</code>·as·an·anonymous·type·variable·equivalent |
| 355 | to·<a·href="../../erts-15.2.3/doc/html/erlang.html#t:term/0"><code·class="inline">term/0</code></a>·or·<a·href="../../erts-15.2.3/doc/html/erlang.html#t:any/0"><code·class="inline">any/0</code></a>.·For·example,·the·following·function</p><pre><code·class="text">-spec·Function(string(),·_)·->·string().</code></pre><p>is·equivalent·to:</p><pre><code·class="text">-spec·Function(string(),·any())·->·string().</code></pre></section> | 355 | to·<a·href="../../erts-15.2.3/doc/html/erlang.html#t:term/0"><code·class="inline">term/0</code></a>·or·<a·href="../../erts-15.2.3/doc/html/erlang.html#t:any/0"><code·class="inline">any/0</code></a>.·For·example,·the·following·function</p><pre><code·class="text">-spec·Function(string(),·_)·->·string().</code></pre><p>is·equivalent·to:</p><pre><code·class="text">-spec·Function(string(),·any())·->·string().</code></pre></section> |
| 356 | </div> | 356 | </div> |
| 357 | <div·class="bottom-actions"·id="bottom-actions"> | 357 | <div·class="bottom-actions"·id="bottom-actions"> |
| 358 | ··<div·class="bottom-actions-item"> | 358 | ··<div·class="bottom-actions-item"> |
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| 215 | ······<p·class="built-using"> | 215 | ······<p·class="built-using"> |
| 216 | ········Built·using | 216 | ········Built·using |
| 217 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 217 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 218 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 218 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 219 | ······</p> | 219 | ······</p> |
| 220 | <p>Copyright·©·1996-202 | 220 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 221 | ····</footer> | 221 | ····</footer> |
| 222 | ··</div> | 222 | ··</div> |
| 223 | </main> | 223 | </main> |
| 224 | </div> | 224 | </div> |
| 225 | <script> | 225 | <script> |
| 226 | ··function·mermaidLoaded()·{ | 226 | ··function·mermaidLoaded()·{ |
| 227 | ····mermaid.initialize({ | 227 | ····mermaid.initialize({ |
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| 329 | ······<p·class="built-using"> | 329 | ······<p·class="built-using"> |
| 330 | ········Built·using | 330 | ········Built·using |
| 331 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 331 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 332 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 332 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 333 | ······</p> | 333 | ······</p> |
| 334 | <p>Copyright·©·1996-202 | 334 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 335 | ····</footer> | 335 | ····</footer> |
| 336 | ··</div> | 336 | ··</div> |
| 337 | </main> | 337 | </main> |
| 338 | </div> | 338 | </div> |
| 339 | <script> | 339 | <script> |
| 340 | ··function·mermaidLoaded()·{ | 340 | ··function·mermaidLoaded()·{ |
| 341 | ····mermaid.initialize({ | 341 | ····mermaid.initialize({ |
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| 149 | occurrences·of·<code·class="inline">maybe</code>·without·quotes.</p><p><a·href=""·id="float_matching"></a></p><h3·id="0-0-and-0-0-will-no-longer-be-exactly-equal"·class="section-heading"> | 149 | occurrences·of·<code·class="inline">maybe</code>·without·quotes.</p><p><a·href=""·id="float_matching"></a></p><h3·id="0-0-and-0-0-will-no-longer-be-exactly-equal"·class="section-heading"> |
| 150 | ··<a·href="#0-0-and-0-0-will-no-longer-be-exactly-equal"·class="hover-link"> | 150 | ··<a·href="#0-0-and-0-0-will-no-longer-be-exactly-equal"·class="hover-link"> |
| 151 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 151 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 152 | ··</a> | 152 | ··</a> |
| 153 | ··<span·class="text">0.0·and·-0.0·will·no·longer·be·exactly·equal</span> | 153 | ··<span·class="text">0.0·and·-0.0·will·no·longer·be·exactly·equal</span> |
| 154 | </h3> | 154 | </h3> |
| 155 | <p>Currently,·the·floating·point·numbers·<code·class="inline">0.0</code>·and·<code·class="inline">-0.0</code>·have·distinct·internal | 155 | <p>Currently,·the·floating·point·numbers·<code·class="inline">0.0</code>·and·<code·class="inline">-0.0</code>·have·distinct·internal |
| 156 | representations.·That·can·be·seen·if·they·are·converted·to·binaries:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id=" | 156 | representations.·That·can·be·seen·if·they·are·converted·to·binaries:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id="9346322633-1"><<</span><span·class="mf">0.0</span><span·class="o">/</span><span·class="nb">float</span><span·class="p"·data-group-id="9346322633-1">>></span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="p"·data-group-id=" | 157 | </span><span·class="p"·data-group-id="9346322633-2"><<</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·[·...·truncated·by·diffoscope;·len:·182,·SHA:·52064733ce5255a3b3259a64fe266a3f9e7c26e9f28f6cfc87734c7eb04a74f5·...·]-2">>></span><span·class="gp·unselectable"> |
| 158 | 2>·</span><span·class="p"·data-group-id=" | 158 | 2>·</span><span·class="p"·data-group-id="9346322633-3"><<</span><span·class="o">-</span><span·class="mf">0.0</span><span·class="o">/</span><span·class="nb">float</span><span·class="p"·data-group-id="9346322633-3">>></span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="p"·data-group-id=" | 159 | </span><span·class="p"·data-group-id="9346322633-4"><<</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><spa[·...·truncated·by·diffoscope;·len:·184,·SHA:·8ebb08181a01891214371ca881401799bf7338f141f606feffaa9a441a82f2b6·...·]-4">>></span></code></pre><p>However,·when·they·are·matched·against·each·other·or·compared·using·the·<code·class="inline">=:=</code> |
| 160 | operator,·they·are·considered·to·be·equal.·Thus,·<code·class="inline">0.0·=:=·-0.0</code>·currently | 160 | operator,·they·are·considered·to·be·equal.·Thus,·<code·class="inline">0.0·=:=·-0.0</code>·currently |
| 161 | returns·<code·class="inline">true</code>.</p><p>In·Erlang/OTP·27,·<code·class="inline">0.0·=:=·-0.0</code>·will·return·<code·class="inline">false</code>,·and·matching·<code·class="inline">0.0</code>·against | 161 | returns·<code·class="inline">true</code>.</p><p>In·Erlang/OTP·27,·<code·class="inline">0.0·=:=·-0.0</code>·will·return·<code·class="inline">false</code>,·and·matching·<code·class="inline">0.0</code>·against |
| 162 | <code·class="inline">-0.0</code>·will·fail.·When·used·as·map·keys,·<code·class="inline">0.0</code>·and·<code·class="inline">-0.0</code>·will·be·considered·to | 162 | <code·class="inline">-0.0</code>·will·fail.·When·used·as·map·keys,·<code·class="inline">0.0</code>·and·<code·class="inline">-0.0</code>·will·be·considered·to |
| 163 | be·distinct.</p><p>The·<code·class="inline">==</code>·operator·will·continue·to·return·<code·class="inline">true</code>·for·<code·class="inline">0.0·==·-0.0</code>.</p><p>To·help·to·find·code·that·might·need·to·be·revised,·in·OTP·27·there·will·be·a | 163 | be·distinct.</p><p>The·<code·class="inline">==</code>·operator·will·continue·to·return·<code·class="inline">true</code>·for·<code·class="inline">0.0·==·-0.0</code>.</p><p>To·help·to·find·code·that·might·need·to·be·revised,·in·OTP·27·there·will·be·a |
| 164 | new·compiler·warning·when·matching·against·<code·class="inline">0.0</code>·or·comparing·to·that·value | 164 | new·compiler·warning·when·matching·against·<code·class="inline">0.0</code>·or·comparing·to·that·value |
| 165 | using·the·<code·class="inline">=:=</code>·operator.·The·warning·can·be·suppressed·by·matching·against | 165 | using·the·<code·class="inline">=:=</code>·operator.·The·warning·can·be·suppressed·by·matching·against |
| 166 | <code·class="inline">+0.0</code>·instead·of·<code·class="inline">0.0</code>.</p><p>We·plan·to·introduce·the·same·warning·in·OTP·26.1,·but·by·default·it·will·be | 166 | <code·class="inline">+0.0</code>·instead·of·<code·class="inline">0.0</code>.</p><p>We·plan·to·introduce·the·same·warning·in·OTP·26.1,·but·by·default·it·will·be |
| 167 | disabled.</p><p><a·href=""·id="singleton_typevars"></a></p><h3·id="singleton-type-variables-will-become-a-compile-time-error"·class="section-heading"> | 167 | disabled.</p><p><a·href=""·id="singleton_typevars"></a></p><h3·id="singleton-type-variables-will-become-a-compile-time-error"·class="section-heading"> |
| 168 | ··<a·href="#singleton-type-variables-will-become-a-compile-time-error"·class="hover-link"> | 168 | ··<a·href="#singleton-type-variables-will-become-a-compile-time-error"·class="hover-link"> |
| 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 170 | ··</a> | 170 | ··</a> |
| 171 | ··<span·class="text">Singleton·type·variables·will·become·a·compile-time·error</span> | 171 | ··<span·class="text">Singleton·type·variables·will·become·a·compile-time·error</span> |
| 172 | </h3> | 172 | </h3> |
| 173 | <p>Before·Erlang/OTP·26,·the·compiler·would·silenty·accept·the·following·spec:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">f</span><span·class="p"·data-group-id="8 | 173 | <p>Before·Erlang/OTP·26,·the·compiler·would·silenty·accept·the·following·spec:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">f</span><span·class="p"·data-group-id="8189002439-1">(</span><span·class="n">Opts</span><span·class="p"·data-group-id="8189002439-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="8189002439-2">(</spa[·...·truncated·by·diffoscope;·len:·43,·SHA:·ce5c3cb57510a5aba6093469321a6ef1c9c0743a709c38368bcb1dad4b351a8b·...·]-2">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w"> |
| 174 | ····</span><span·class="n">Opts</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="8 | 174 | ····</span><span·class="n">Opts</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="8189002439-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Unknown</span><span·class="p"·data-group-id="8189002439-3">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·195,·SHA:·80dc876c58db96e63823a93a4a082422e69b21bcdea182dd7423904af73eb8ae·...·]-4">}</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="nf">f</span><span·class="p"·data-group-id="8 | 175 | </span><span·class="nf">f</span><span·class="p"·data-group-id="8189002439-5">(</span><span·class="p">_</span><span·class="p"·data-group-id="8189002439-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">error</span><span·class="p">.</span></code></pre><p>In·OTP·26,·the·compiler·emits·a·warning·pointing·out·that·the·type·variable |
| 176 | <code·class="inline">Unknown</code>·is·unbound:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">t</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">6</span><span·class="p">:</span><span·class="mi">18</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">type</span><span·class="w">·</span><span·class="ss">variable</span><span·class="w">·</span><span·class="ss">'Unknown'</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">only</span><span·class="w">·</span><span·class="ss">used</span><span·class="w">·</span><span·class="nf">once</span><span·class="w">·</span><span·class="p"·data-group-id=" | 176 | <code·class="inline">Unknown</code>·is·unbound:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">t</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">6</span><span·class="p">:</span><span·class="mi">18</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">type</span><span·class="w">·</span><span·class="ss">variable</span><span·class="w">·</span><span·class="ss">'Unknown'</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">only</span><span·class="w">·</span><span·class="ss">used</span><span·class="w">·</span><span·class="nf">once</span><span·class="w">·</span><span·class="p"·data-group-id="9642242140-1">(</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">unbound</span><span·class="p"·data-group-id="9642242140-1">)</span><span·class="w"> |
| 177 | </span><span·class="c1">%····6|·····Opts·::·{ok,·Unknown}·|·{error,·Unknown}.</span><span·class="w"> | 177 | </span><span·class="c1">%····6|·····Opts·::·{ok,·Unknown}·|·{error,·Unknown}.</span><span·class="w"> |
| 178 | </span><span·class="c1">%·····|··················^</span></code></pre><p>In·OTP·27,·that·warning·will·become·an·error.</p><p><a·href=""·id="escripts_will_be_compiled"></a></p><h3·id="escripts-will-be-compiled-by-default"·class="section-heading"> | 178 | </span><span·class="c1">%·····|··················^</span></code></pre><p>In·OTP·27,·that·warning·will·become·an·error.</p><p><a·href=""·id="escripts_will_be_compiled"></a></p><h3·id="escripts-will-be-compiled-by-default"·class="section-heading"> |
| 179 | ··<a·href="#escripts-will-be-compiled-by-default"·class="hover-link"> | 179 | ··<a·href="#escripts-will-be-compiled-by-default"·class="hover-link"> |
| 180 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 180 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 181 | ··</a> | 181 | ··</a> |
| 182 | ··<span·class="text">Escripts·will·be·compiled·by·default</span> | 182 | ··<span·class="text">Escripts·will·be·compiled·by·default</span> |
| 183 | </h3> | 183 | </h3> |
| 184 | <p>Escripts·will·be·compiled·by·default·instead·of·interpreted.·That·means·that·the | 184 | <p>Escripts·will·be·compiled·by·default·instead·of·interpreted.·That·means·that·the |
| 185 | <code·class="inline">compiler</code>·application·must·be·available.</p><p>The·old·behavior·of·interpreting·escripts·can·be·restored·by·adding·the | 185 | <code·class="inline">compiler</code>·application·must·be·available.</p><p>The·old·behavior·of·interpreting·escripts·can·be·restored·by·adding·the |
| 186 | following·line·to·the·script·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">mode</span><span·class="p"·data-group-id="91 | 186 | following·line·to·the·script·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">mode</span><span·class="p"·data-group-id="9140307101-1">(</span><span·class="ss">interpret</span><span·class="p"·data-group-id="9140307101-1">)</span><span·class="p">.</span></code></pre><p>In·OTP·28,·support·for·interpreting·an·escript·will·be·removed.</p><h3·id="code_path_choice-will-default-to-strict"·class="section-heading"> |
| 187 | ··<a·href="#code_path_choice-will-default-to-strict"·class="hover-link"> | 187 | ··<a·href="#code_path_choice-will-default-to-strict"·class="hover-link"> |
| 188 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 188 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 189 | ··</a> | 189 | ··</a> |
| 190 | ··<span·class="text">-code_path_choice·will·default·to·strict</span> | 190 | ··<span·class="text">-code_path_choice·will·default·to·strict</span> |
| 191 | </h3> | 191 | </h3> |
| 192 | <p>This·command·line·option·controls·if·paths·given·in·the·command·line,·boot | 192 | <p>This·command·line·option·controls·if·paths·given·in·the·command·line,·boot |
| 193 | scripts,·and·the·code·server·should·be·interpreted·as·is·strict·or·relaxed.</p><p>OTP·26·and·earlier·defaults·to·<code·class="inline">relaxed</code>,·which·means·<code·class="inline">-pa·myapp/ebin</code>·would | 193 | scripts,·and·the·code·server·should·be·interpreted·as·is·strict·or·relaxed.</p><p>OTP·26·and·earlier·defaults·to·<code·class="inline">relaxed</code>,·which·means·<code·class="inline">-pa·myapp/ebin</code>·would |
| Offset 231, 18 lines modified | Offset 231, 18 lines modified | ||
| 231 | " | 231 | " |
| 232 | String·Content | 232 | String·Content |
| 233 | " | 233 | " |
| 234 | %% | 234 | %% |
| 235 | %%·In·OTP·27·it·is·instead·interpreted·as·a | 235 | %%·In·OTP·27·it·is·instead·interpreted·as·a |
| 236 | %%·Triple-Quoted·String·equivalent·to | 236 | %%·Triple-Quoted·String·equivalent·to |
| 237 | "String·Content"</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="s">""</span><span·class="s">""</span><span·class="w"> | 237 | "String·Content"</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="s">""</span><span·class="s">""</span><span·class="w"> |
| 238 | </span><span·class="o">++</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 238 | </span><span·class="o">++</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="8082243167-1">(</span><span·class="p"·data-group-id="8082243167-1">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w"> |
| 239 | </span><span·class="s">""</span><span·class="s">""</span><span·class="w"> | 239 | </span><span·class="s">""</span><span·class="s">""</span><span·class="w"> |
| 240 | </span><span·class="c1">%%·Became</span><span·class="w"> | 240 | </span><span·class="c1">%%·Became</span><span·class="w"> |
| 241 | </span><span·class="s">""</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 241 | </span><span·class="s">""</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="8082243167-2">(</span><span·class="p"·data-group-id="8082243167-2">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">""</span><span·class="w"> |
| 242 | </span><span·class="c1">%%</span><span·class="w"> | 242 | </span><span·class="c1">%%</span><span·class="w"> |
| 243 | </span><span·class="c1">%%·In·OTP·27·it·is·instead·interpreted·as·a</span><span·class="w"> | 243 | </span><span·class="c1">%%·In·OTP·27·it·is·instead·interpreted·as·a</span><span·class="w"> |
| 244 | </span><span·class="c1">%%·Triple-Quoted·String·(triple-or-more)·equivalent·to</span><span·class="w"> | 244 | </span><span·class="c1">%%·Triple-Quoted·String·(triple-or-more)·equivalent·to</span><span·class="w"> |
| 245 | </span><span·class="s">"++·foo()·++"</span></code></pre><p>From·Erlang/OTP·26.1·up·to·27.0·the·compiler·issues·a·warning·for·a·sequence·of | 245 | </span><span·class="s">"++·foo()·++"</span></code></pre><p>From·Erlang/OTP·26.1·up·to·27.0·the·compiler·issues·a·warning·for·a·sequence·of |
| 246 | 3·or·more·double-quote·characters·since·that·is·almost·certainly·a·mistake·or | 246 | 3·or·more·double-quote·characters·since·that·is·almost·certainly·a·mistake·or |
| 247 | something·like·a·result·of·bad·automatic·code·generation.·If·a·users·gets·that | 247 | something·like·a·result·of·bad·automatic·code·generation.·If·a·users·gets·that |
| 248 | warning,·the·code·should·be·corrected·for·example·by·inserting·appropriate | 248 | warning,·the·code·should·be·corrected·for·example·by·inserting·appropriate |
| Offset 358, 15 lines modified | Offset 358, 15 lines modified | ||
| 358 | ······<p·class="built-using"> | 358 | ······<p·class="built-using"> |
| 359 | ········Built·using | 359 | ········Built·using |
| 360 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 360 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 361 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 361 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 362 | ······</p> | 362 | ······</p> |
| 363 | <p>Copyright·©·1996-202 | 363 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 364 | ····</footer> | 364 | ····</footer> |
| 365 | ··</div> | 365 | ··</div> |
| 366 | </main> | 366 | </main> |
| 367 | </div> | 367 | </div> |
| 368 | <script> | 368 | <script> |
| 369 | ··function·mermaidLoaded()·{ | 369 | ··function·mermaidLoaded()·{ |
| 370 | ····mermaid.initialize({ | 370 | ····mermaid.initialize({ |
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| 139 | ······<p·class="built-using"> | 139 | ······<p·class="built-using"> |
| 140 | ········Built·using | 140 | ········Built·using |
| 141 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 141 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 142 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 142 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 143 | ······</p> | 143 | ······</p> |
| 144 | <p>Copyright·©·1996-202 | 144 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 145 | ····</footer> | 145 | ····</footer> |
| 146 | ··</div> | 146 | ··</div> |
| 147 | </main> | 147 | </main> |
| 148 | </div> | 148 | </div> |
| 149 | <script> | 149 | <script> |
| 150 | ··function·mermaidLoaded()·{ | 150 | ··function·mermaidLoaded()·{ |
| 151 | ····mermaid.initialize({ | 151 | ····mermaid.initialize({ |
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| 512 | ······<p·class="built-using"> | 512 | ······<p·class="built-using"> |
| 513 | ········Built·using | 513 | ········Built·using |
| 514 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 514 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 515 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 515 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 516 | ······</p> | 516 | ······</p> |
| 517 | <p>Copyright·©·1996-202 | 517 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 518 | ····</footer> | 518 | ····</footer> |
| 519 | ··</div> | 519 | ··</div> |
| 520 | </main> | 520 | </main> |
| 521 | </div> | 521 | </div> |
| 522 | <script> | 522 | <script> |
| 523 | ··function·mermaidLoaded()·{ | 523 | ··function·mermaidLoaded()·{ |
| 524 | ····mermaid.initialize({ | 524 | ····mermaid.initialize({ |
| Offset 202, 15 lines modified | Offset 202, 15 lines modified | ||
| 202 | ······<p·class="built-using"> | 202 | ······<p·class="built-using"> |
| 203 | ········Built·using | 203 | ········Built·using |
| 204 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 204 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 205 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 205 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 206 | ······</p> | 206 | ······</p> |
| 207 | <p>Copyright·©·1996-202 | 207 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 208 | ····</footer> | 208 | ····</footer> |
| 209 | ··</div> | 209 | ··</div> |
| 210 | </main> | 210 | </main> |
| 211 | </div> | 211 | </div> |
| 212 | <script> | 212 | <script> |
| 213 | ··function·mermaidLoaded()·{ | 213 | ··function·mermaidLoaded()·{ |
| 214 | ····mermaid.initialize({ | 214 | ····mermaid.initialize({ |
| Offset 237, 50 lines modified | Offset 237, 50 lines modified | ||
| 237 | <code·class="inline">uds_dist</code>·example·using·a·port·driver·written·in·C,·<code·class="inline">erl_uds_dist</code>·is·written | 237 | <code·class="inline">uds_dist</code>·example·using·a·port·driver·written·in·C,·<code·class="inline">erl_uds_dist</code>·is·written |
| 238 | entirely·in·Erlang.</p><h3·id="exported-callback-functions"·class="section-heading"> | 238 | entirely·in·Erlang.</p><h3·id="exported-callback-functions"·class="section-heading"> |
| 239 | ··<a·href="#exported-callback-functions"·class="hover-link"> | 239 | ··<a·href="#exported-callback-functions"·class="hover-link"> |
| 240 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 240 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 241 | ··</a> | 241 | ··</a> |
| 242 | ··<span·class="text">Exported·Callback·Functions</span> | 242 | ··<span·class="text">Exported·Callback·Functions</span> |
| 243 | </h3> | 243 | </h3> |
| 244 | <p>The·following·functions·are·mandatory:</p><ul><li><pre·id="listen"><code·class="makeup·erlang"·translate="no"><span·class="nf">listen</span><span·class="p"·data-group-id="8552471562-1">(</span><span·class="n">Name</span><span·class="p"·data-group-id="8552471562-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 245 | < | 244 | <p>The·following·functions·are·mandatory:</p><ul><li><pre·id="listen"><code·class="makeup·erlang"·translate="no"><span·class="nf">listen</span><span·class="p"·data-group-id="4544082269-1">(</span><span·class="n">Name</span><span·class="p"·data-group-id="454[·...·truncated·by·diffoscope;·len:·64,·SHA:·e8ea8a76bf600c31e46c32a230775c62fa565cf4b1fd3be8b04fd6eb9921b7ae·...·]</span><span·class="w"> |
| 245 | </span><span·class="err"> </span><span·class="err"> </span><span·class="p"·data-group-id="4544082269-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4544082269-3">{</span><span·class="n">Listen</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Address</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Creation</span><span·class="p"·data-group-id="4544082269-3">}</span><span·class="p"·data-group-id="4544082269-2">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="4544082269-4">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Error</span><span·class="p"·data-group-id="4544082269-4">}</span><span·class="w"> | ||
| 246 | </span><span·class="nf">listen</span><span·class="p"·data-group-id=" | 246 | </span><span·class="nf">listen</span><span·class="p"·data-group-id="4544082269-5">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="n">Host</span><span·class="p"·data-group-id="4544082269-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 247 | </span><span·class="err"> </span><span·class="err"> </span><span·class="p"·data-group-id=" | 247 | </span><span·class="err"> </span><span·class="err"> </span><span·class="p"·data-group-id="4544082269-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4544082269-7">{</span><span·class="n">Listen</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Address</span>[·...·truncated·by·diffoscope;·len:·456,·SHA:·d060ac7a57bfcb55b6c3aa9c89d6fd0afeb729073ef20703f692f7d24525fcc1·...·]-8">}</span></code></pre><p><code·class="inline">listen/2</code>·is·called·once·in·order·to·listen·for·incoming·connection·requests. |
| 248 | The·call·is·made·when·the·distribution·is·brought·up.·The·argument·<code·class="inline">Name</code>·is | 248 | The·call·is·made·when·the·distribution·is·brought·up.·The·argument·<code·class="inline">Name</code>·is |
| 249 | the·part·of·the·node·name·before·the·<code·class="inline">@</code>·sign·in·the·full·node·name.·It·can·be | 249 | the·part·of·the·node·name·before·the·<code·class="inline">@</code>·sign·in·the·full·node·name.·It·can·be |
| 250 | either·an·atom·or·a·string.·The·argument·<code·class="inline">Host</code>·is·the·part·of·the·node·name | 250 | either·an·atom·or·a·string.·The·argument·<code·class="inline">Host</code>·is·the·part·of·the·node·name |
| 251 | after·the·<code·class="inline">@</code>·sign·in·the·full·node·name.·It·is·always·a·string.</p><p>The·return·value·consists·of·a·<code·class="inline">Listen</code>·handle·(which·is·later·passed·to·the | 251 | after·the·<code·class="inline">@</code>·sign·in·the·full·node·name.·It·is·always·a·string.</p><p>The·return·value·consists·of·a·<code·class="inline">Listen</code>·handle·(which·is·later·passed·to·the |
| 252 | <a·href="alt_dist.html#accept"><code·class="inline">accept/1</code></a>·callback),·<code·class="inline">Address</code>·which·is·a | 252 | <a·href="alt_dist.html#accept"><code·class="inline">accept/1</code></a>·callback),·<code·class="inline">Address</code>·which·is·a |
| 253 | <code·class="inline">#net_address{}</code>·record·with·information·about·the·address·for·the·node·(the | 253 | <code·class="inline">#net_address{}</code>·record·with·information·about·the·address·for·the·node·(the |
| 254 | <code·class="inline">#net_address{}</code>·record·is·defined·in·<code·class="inline">kernel/include/net_address.hrl</code>),·and | 254 | <code·class="inline">#net_address{}</code>·record·is·defined·in·<code·class="inline">kernel/include/net_address.hrl</code>),·and |
| 255 | <code·class="inline">Creation</code>·which·(currently)·is·an·integer·<code·class="inline">1</code>,·<code·class="inline">2</code>,·or·<code·class="inline">3</code>.</p><p>If·<a·href="epmd_cmd.html"><code·class="inline">epmd</code></a>·is·to·be·used·for·node·discovery,·you·typically·want | 255 | <code·class="inline">Creation</code>·which·(currently)·is·an·integer·<code·class="inline">1</code>,·<code·class="inline">2</code>,·or·<code·class="inline">3</code>.</p><p>If·<a·href="epmd_cmd.html"><code·class="inline">epmd</code></a>·is·to·be·used·for·node·discovery,·you·typically·want |
| 256 | to·use·the·<code·class="inline">erl_epmd</code>·module·(part·of·the·<code·class="inline">kernel</code>·application)·in·order·to | 256 | to·use·the·<code·class="inline">erl_epmd</code>·module·(part·of·the·<code·class="inline">kernel</code>·application)·in·order·to |
| 257 | register·the·listen·port·with·<code·class="inline">epmd</code>·and·retrieve·<code·class="inline">Creation</code>·to·use.</p></li><li><pre·id="address"><code·class="makeup·erlang"·translate="no"><span·class="nf">address</span><span·class="p"·data-group-id=" | 257 | register·the·listen·port·with·<code·class="inline">epmd</code>·and·retrieve·<code·class="inline">Creation</code>·to·use.</p></li><li><pre·id="address"><code·class="makeup·erlang"·translate="no"><span·class="nf">address</span><span·class="p"·data-group-id="2225279022-1">(</span><span·class="p"·data-group-id="2225279022-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 258 | </span><span·class="err"> </span><span·class="err"> </span><span·class="n">Address</span></code></pre><p><code·class="inline">address/0</code>·is·called·in·order·to·get·the·<code·class="inline">Address</code>·part·of·the | 258 | </span><span·class="err"> </span><span·class="err"> </span><span·class="n">Address</span></code></pre><p><code·class="inline">address/0</code>·is·called·in·order·to·get·the·<code·class="inline">Address</code>·part·of·the |
| 259 | <a·href="alt_dist.html#listen"><code·class="inline">listen/2</code></a>·function·without·creating·a·listen·socket. | 259 | <a·href="alt_dist.html#listen"><code·class="inline">listen/2</code></a>·function·without·creating·a·listen·socket. |
| 260 | All·fields·except·<code·class="inline">address</code>·have·to·be·set·in·the·returned·record</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">address</span><span·class="p"·data-group-id=" | 260 | All·fields·except·<code·class="inline">address</code>·have·to·be·set·in·the·returned·record</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">address</span><span·class="p"·data-group-id="0292918776-1">(</span><span·class="p"·data-group-id="0292918776-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 261 | ····</span><span·class="p"·data-group-id=" | 261 | ····</span><span·class="p"·data-group-id="0292918776-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Host</span><span·class="p"·data-group-id="0292918776-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·173,·SHA:·385035a6879a05e511205f636967d921c31808ab72670401a897e3df5e21cd8e·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 262 | ····</span><span·class="o">#</span><span·class="ss">net_address</span><span·class="p"·data-group-id=" | 262 | ····</span><span·class="o">#</span><span·class="ss">net_address</span><span·class="p"·data-group-id="0292918776-4">{</span><span·class="w">·</span><span·class="ss">host</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Host</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">protocol</span><sp[·...·truncated·by·diffoscope;·len:·611,·SHA:·4527ae610c504e1442e1309c377039ef78c45dbfe2c4f5266aacdb7ee7a0a771·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 263 | </span><span·class="err"> </span><span·class="err"> </span><span·class="n">AcceptorPid</span></code></pre><p><code·class="inline">accept/1</code>·should·spawn·a·process·that·accepts·connections.·This·process | 263 | </span><span·class="err"> </span><span·class="err"> </span><span·class="n">AcceptorPid</span></code></pre><p><code·class="inline">accept/1</code>·should·spawn·a·process·that·accepts·connections.·This·process |
| 264 | should·preferably·execute·on·<code·class="inline">max</code>·priority.·The·process·identifier·of·this | 264 | should·preferably·execute·on·<code·class="inline">max</code>·priority.·The·process·identifier·of·this |
| 265 | process·should·be·returned.</p><p>The·<code·class="inline">Listen</code>·argument·will·be·the·same·as·the·<code·class="inline">Listen</code>·handle·part·of·the | 265 | process·should·be·returned.</p><p>The·<code·class="inline">Listen</code>·argument·will·be·the·same·as·the·<code·class="inline">Listen</code>·handle·part·of·the |
| 266 | return·value·of·the·<a·href="alt_dist.html#listen"><code·class="inline">listen/1</code></a>·callback·above. | 266 | return·value·of·the·<a·href="alt_dist.html#listen"><code·class="inline">listen/1</code></a>·callback·above. |
| 267 | <code·class="inline">accept/1</code>·is·called·only·once·when·the·distribution·protocol·is·started.</p><p>The·caller·of·this·function·is·a·representative·for·<code·class="inline">net_kernel</code>·(this·may·or | 267 | <code·class="inline">accept/1</code>·is·called·only·once·when·the·distribution·protocol·is·started.</p><p>The·caller·of·this·function·is·a·representative·for·<code·class="inline">net_kernel</code>·(this·may·or |
| 268 | may·not·be·the·process·registered·as·<code·class="inline">net_kernel</code>)·and·is·in·this·document | 268 | may·not·be·the·process·registered·as·<code·class="inline">net_kernel</code>)·and·is·in·this·document |
| 269 | identified·as·<code·class="inline">Kernel</code>.·When·a·connection·has·been·accepted·by·the·acceptor | 269 | identified·as·<code·class="inline">Kernel</code>.·When·a·connection·has·been·accepted·by·the·acceptor |
| 270 | process,·it·needs·to·inform·<code·class="inline">Kernel</code>·about·the·accepted·connection.·This·is | 270 | process,·it·needs·to·inform·<code·class="inline">Kernel</code>·about·the·accepted·connection.·This·is |
| 271 | done·by·passing·a·message·on·the·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Kernel</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 271 | done·by·passing·a·message·on·the·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Kernel</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="1999611973-1">{</span><span·class="ss">accept</span><span·class="p">,</span><span·class="w">·</span><span·class="n">AcceptorPid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">DistController</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·157,·SHA:·a5bde90be2cca664a1ff9457e789cdae9e30374578019176745a73dd4e990e75·...·]-1">}</span></code></pre><p><code·class="inline">DistController</code>·is·either·the·process·or·port·identifier·of·the·distribution |
| 272 | controller·for·the·connection.·The·distribution·controller·should·be·created | 272 | controller·for·the·connection.·The·distribution·controller·should·be·created |
| 273 | by·the·acceptor·processes·when·a·new·connection·is·accepted.·Its·job·is·to | 273 | by·the·acceptor·processes·when·a·new·connection·is·accepted.·Its·job·is·to |
| 274 | dispatch·traffic·on·the·connection.</p><p><code·class="inline">Kernel</code>·responds·with·one·of·the·following·messages:</p><ul><li><p><strong><code·class="inline">{Kernel,·controller,·SupervisorPid}</code></strong>·-·The·request·was·accepted·and | 274 | dispatch·traffic·on·the·connection.</p><p><code·class="inline">Kernel</code>·responds·with·one·of·the·following·messages:</p><ul><li><p><strong><code·class="inline">{Kernel,·controller,·SupervisorPid}</code></strong>·-·The·request·was·accepted·and |
| 275 | <code·class="inline">SupervisorPid</code>·is·the·process·identifier·of·the·connection·supervisor | 275 | <code·class="inline">SupervisorPid</code>·is·the·process·identifier·of·the·connection·supervisor |
| 276 | process·(which·is·created·in·the | 276 | process·(which·is·created·in·the |
| 277 | <a·href="alt_dist.html#accept_connection"><code·class="inline">accept_connection/5</code></a>·callback).</p></li><li><p><strong><code·class="inline">{Kernel,·unsupported_protocol}</code></strong>·-·The·request·was·rejected.·This·is·a | 277 | <a·href="alt_dist.html#accept_connection"><code·class="inline">accept_connection/5</code></a>·callback).</p></li><li><p><strong><code·class="inline">{Kernel,·unsupported_protocol}</code></strong>·-·The·request·was·rejected.·This·is·a |
| 278 | fatal·error.·The·acceptor·process·should·terminate.</p></li></ul><p>When·an·accept·sequence·has·been·completed·the·acceptor·process·is·expected·to | 278 | fatal·error.·The·acceptor·process·should·terminate.</p></li></ul><p>When·an·accept·sequence·has·been·completed·the·acceptor·process·is·expected·to |
| 279 | continue·accepting·further·requests.</p></li><li><pre·id="accept_connection"><code·class="makeup·erlang"·translate="no"><span·class="nf">accept_connection</span><span·class="p"·data-group-id=" | 279 | continue·accepting·further·requests.</p></li><li><pre·id="accept_connection"><code·class="makeup·erlang"·translate="no"><span·class="nf">accept_connection</span><span·class="p"·data-group-id="6180354841-1">(</span><span·class="n">AcceptorPid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">DistCtrl</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MyNode</span><span·class="p">,</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·155,·SHA:·7dac0addf2e4914964778e13438df53355138c82572a7142d04af782e8853949·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 280 | </span><span·class="err"> </span><span·class="err"> </span><span·class="n">ConnectionSupervisorPid</span></code></pre><p><code·class="inline">accept_connection/5</code>·should·spawn·a·process·that·will·perform·the·Erlang | 280 | </span><span·class="err"> </span><span·class="err"> </span><span·class="n">ConnectionSupervisorPid</span></code></pre><p><code·class="inline">accept_connection/5</code>·should·spawn·a·process·that·will·perform·the·Erlang |
| 281 | distribution·handshake·for·the·connection.·If·the·handshake·successfully | 281 | distribution·handshake·for·the·connection.·If·the·handshake·successfully |
| 282 | completes·it·should·continue·to·function·as·a·connection·supervisor.·This | 282 | completes·it·should·continue·to·function·as·a·connection·supervisor.·This |
| 283 | process·should·preferably·execute·on·<code·class="inline">max</code>·priority·and·should·be·linked·to | 283 | process·should·preferably·execute·on·<code·class="inline">max</code>·priority·and·should·be·linked·to |
| 284 | the·caller.·The·<code·class="inline">dist_util:net_ticker_spawn_options()</code>·function·can·be·called | 284 | the·caller.·The·<code·class="inline">dist_util:net_ticker_spawn_options()</code>·function·can·be·called |
| 285 | to·get·spawn·options·suitable·for·this·process·which·can·be·passed·directly·to | 285 | to·get·spawn·options·suitable·for·this·process·which·can·be·passed·directly·to |
| 286 | <a·href="erlang.html#spawn_opt/4"><code·class="inline">erlang:spawn_opt/4</code></a>.·<code·class="inline">dist_util:net_ticker_spawn_options()</code>·will·by·default | 286 | <a·href="erlang.html#spawn_opt/4"><code·class="inline">erlang:spawn_opt/4</code></a>.·<code·class="inline">dist_util:net_ticker_spawn_options()</code>·will·by·default |
| Offset 294, 15 lines modified | Offset 294, 15 lines modified | ||
| 294 | <code·class="inline">dist_util:handshake_other_started(HsData)</code>.</p></li><li><p><strong><code·class="inline">Allowed</code></strong>·-·To·be·passed·along·to | 294 | <code·class="inline">dist_util:handshake_other_started(HsData)</code>.</p></li><li><p><strong><code·class="inline">Allowed</code></strong>·-·To·be·passed·along·to |
| 295 | <code·class="inline">dist_util:handshake_other_started(HsData)</code>.</p></li><li><p><strong><code·class="inline">SetupTime</code></strong>·-·Time·used·for·creating·a·setup·timer·by·a·call·to | 295 | <code·class="inline">dist_util:handshake_other_started(HsData)</code>.</p></li><li><p><strong><code·class="inline">SetupTime</code></strong>·-·Time·used·for·creating·a·setup·timer·by·a·call·to |
| 296 | <code·class="inline">dist_util:start_timer(SetupTime)</code>.·The·timer·should·be·passed·along·to | 296 | <code·class="inline">dist_util:start_timer(SetupTime)</code>.·The·timer·should·be·passed·along·to |
| 297 | <code·class="inline">dist_util:handshake_other_started(HsData)</code>.</p></li></ul><p>The·created·process·should·provide·callbacks·and·other·information·needed·for | 297 | <code·class="inline">dist_util:handshake_other_started(HsData)</code>.</p></li></ul><p>The·created·process·should·provide·callbacks·and·other·information·needed·for |
| 298 | the·handshake·in·a·<a·href="alt_dist.html#hs_data_record"><code·class="inline">#hs_data{}</code></a>·record·and·call | 298 | the·handshake·in·a·<a·href="alt_dist.html#hs_data_record"><code·class="inline">#hs_data{}</code></a>·record·and·call |
| 299 | <code·class="inline">dist_util:handshake_other_started(HsData)</code>·with·this·record.</p><p><code·class="inline">dist_util:handshake_other_started(HsData)</code>·will·perform·the·handshake·and·if | 299 | <code·class="inline">dist_util:handshake_other_started(HsData)</code>·with·this·record.</p><p><code·class="inline">dist_util:handshake_other_started(HsData)</code>·will·perform·the·handshake·and·if |
| 300 | the·handshake·successfully·completes·this·process·will·then·continue·in·a | 300 | the·handshake·successfully·completes·this·process·will·then·continue·in·a |
| 301 | connection·supervisor·loop·as·long·as·the·connection·is·up.</p></li><li><pre·id="setup"><code·class="makeup·erlang"·translate="no"><span·class="nf">setup</span><span·class="p"·data-group-id=" | 301 | connection·supervisor·loop·as·long·as·the·connection·is·up.</p></li><li><pre·id="setup"><code·class="makeup·erlang"·translate="no"><span·class="nf">setup</span><span·class="p"·data-group-id="0558166098-1">(</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Type</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MyNode</span><span·class="p">,</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·153,·SHA:·74acdbc0b504d1c3a9d48aa5fbf21cb04d5bc0e53990025d8da251f087f9c5b8·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 302 | </span><span·class="err"> </span><span·class="err"> </span><span·class="n">ConnectionSupervisorPid</span></code></pre><p><code·class="inline">setup/5</code>·should·spawn·a·process·that·connects·to·<code·class="inline">Node</code>.·When·connection·has | 302 | </span><span·class="err"> </span><span·class="err"> </span><span·class="n">ConnectionSupervisorPid</span></code></pre><p><code·class="inline">setup/5</code>·should·spawn·a·process·that·connects·to·<code·class="inline">Node</code>.·When·connection·has |
| 303 | been·established·it·should·perform·the·Erlang·distribution·handshake·for·the | 303 | been·established·it·should·perform·the·Erlang·distribution·handshake·for·the |
| 304 | connection.·If·the·handshake·successfully·completes·it·should·continue·to | 304 | connection.·If·the·handshake·successfully·completes·it·should·continue·to |
| 305 | function·as·a·connection·supervisor.·This·process·should·preferably·execute·on | 305 | function·as·a·connection·supervisor.·This·process·should·preferably·execute·on |
| 306 | <code·class="inline">max</code>·priority·and·should·be·linked·to·the·caller.·The | 306 | <code·class="inline">max</code>·priority·and·should·be·linked·to·the·caller.·The |
| 307 | <code·class="inline">dist_util:net_ticker_spawn_options()</code>·function·can·be·called·to·get·spawn | 307 | <code·class="inline">dist_util:net_ticker_spawn_options()</code>·function·can·be·called·to·get·spawn |
| 308 | options·suitable·for·this·process·which·can·be·passed·directly·to | 308 | options·suitable·for·this·process·which·can·be·passed·directly·to |
| Offset 320, 23 lines modified | Offset 320, 23 lines modified | ||
| 320 | may·not·be·the·process·registered·as·<code·class="inline">net_kernel</code>)·and·is·in·this·document | 320 | may·not·be·the·process·registered·as·<code·class="inline">net_kernel</code>)·and·is·in·this·document |
| 321 | identified·as·<code·class="inline">Kernel</code>.</p><p>This·function·should,·besides·spawning·the·connection·supervisor,·also·create | 321 | identified·as·<code·class="inline">Kernel</code>.</p><p>This·function·should,·besides·spawning·the·connection·supervisor,·also·create |
| 322 | a·distribution·controller.·The·distribution·controller·is·either·a·process·or | 322 | a·distribution·controller.·The·distribution·controller·is·either·a·process·or |
| 323 | a·port·which·is·responsible·for·dispatching·traffic.</p><p>The·created·process·should·provide·callbacks·and·other·information·needed·for | 323 | a·port·which·is·responsible·for·dispatching·traffic.</p><p>The·created·process·should·provide·callbacks·and·other·information·needed·for |
| 324 | the·handshake·in·a·<a·href="alt_dist.html#hs_data_record"><code·class="inline">#hs_data{}</code></a>·record·and·call | 324 | the·handshake·in·a·<a·href="alt_dist.html#hs_data_record"><code·class="inline">#hs_data{}</code></a>·record·and·call |
| 325 | <code·class="inline">dist_util:handshake_we_started(HsData)</code>·with·this·record.</p><p><code·class="inline">dist_util:handshake_we_started(HsData)</code>·will·perform·the·handshake·and·the | 325 | <code·class="inline">dist_util:handshake_we_started(HsData)</code>·with·this·record.</p><p><code·class="inline">dist_util:handshake_we_started(HsData)</code>·will·perform·the·handshake·and·the |
| 326 | handshake·successfully·completes·this·process·will·then·continue·in·a | 326 | handshake·successfully·completes·this·process·will·then·continue·in·a |
| 327 | connection·supervisor·loop·as·long·as·the·connection·is·up.</p></li><li><pre·id="close"><code·class="makeup·erlang"·translate="no"><span·class="nf">close</span><span·class="p"·data-group-id=" | 327 | connection·supervisor·loop·as·long·as·the·connection·is·up.</p></li><li><pre·id="close"><code·class="makeup·erlang"·translate="no"><span·class="nf">close</span><span·class="p"·data-group-id="4155615605-1">(</span><span·class="n">Listen</span><span·class="p"·data-group-id="4155615605-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 328 | </span><span·class="err"> </span><span·class="err"> </span><span·class="nf">void</span><span·class="p"·data-group-id=" | 328 | </span><span·class="err"> </span><span·class="err"> </span><span·class="nf">void</span><span·class="p"·data-group-id="4155615605-2">(</span><span·class="p"·data-group-id="4155615605-2">)</span></code></pre><p>Called·in·order·to·close·the·<code·class="inline">Listen</code>·handle·that·originally·was·passed·from |
| 329 | the·<a·href="alt_dist.html#listen"><code·class="inline">listen/1</code></a>·callback.</p></li><li><pre·id="select"><code·class="makeup·erlang"·translate="no"><span·class="nf">select</span><span·class="p"·data-group-id=" | 329 | the·<a·href="alt_dist.html#listen"><code·class="inline">listen/1</code></a>·callback.</p></li><li><pre·id="select"><code·class="makeup·erlang"·translate="no"><span·class="nf">select</span><span·class="p"·data-group-id="3252577300-1">(</span><span·class="n">NodeName</span><span·class="p"·data-group-id="3252577300-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 330 | </span><span·class="err"> </span><span·class="err"> </span><span·class="nf">boolean</span><span·class="p"·data-group-id=" | 330 | </span><span·class="err"> </span><span·class="err"> </span><span·class="nf">boolean</span><span·class="p"·data-group-id="3252577300-2">(</span><span·class="p"·data-group-id="3252577300-2">)</span></code></pre><p>Return·<code·class="inline">true</code>·if·the·host·name·part·of·the·<code·class="inline">NodeName</code>·is·valid·for·use·with |
| 331 | this·protocol;·otherwise,·<code·class="inline">false</code>.</p></li></ul><p>There·are·also·two·optional·functions·that·may·be·exported:</p><ul><li><pre·id="setopts"><code·class="makeup·erlang"·translate="no"><span·class="nf">setopts</span><span·class="p"·data-group-id=" | 331 | this·protocol;·otherwise,·<code·class="inline">false</code>.</p></li></ul><p>There·are·also·two·optional·functions·that·may·be·exported:</p><ul><li><pre·id="setopts"><code·class="makeup·erlang"·translate="no"><span·class="nf">setopts</span><span·class="p"·data-group-id="3633952247-1">(</span><span·class="n">Listen</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opts</span><span·class="p"·data-group-id="3633952247-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 332 | </span><span·class="err"> </span><span·class="err"> </span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 332 | </span><span·class="err"> </span><span·class="err"> </span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="3633952247-2">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Error</span><span·class="p"·data-group-id="3633952247-2">}</span></code></pre><p>The·argument·<code·class="inline">Listen</code>·is·the·handle·originally·passed·from·the |
| 333 | <a·href="alt_dist.html#listen"><code·class="inline">listen/1</code></a>·callback.·The·argument·<code·class="inline">Opts</code>·is·a·list·of | 333 | <a·href="alt_dist.html#listen"><code·class="inline">listen/1</code></a>·callback.·The·argument·<code·class="inline">Opts</code>·is·a·list·of |
| 334 | options·to·set·on·future·connections.</p></li><li><pre·id="getopts"><code·class="makeup·erlang"·translate="no"><span·class="nf">getopts</span><span·class="p"·data-group-id="1436173635-1">(</span><span·class="n">Listen</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opts</span><span·class="p"·data-group-id="1436173635-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 335 | 334 | options·to·set·on·future·connections.</p></li><li><pre·id="getopts"><code·class="makeup·erlang"·translate="no"><span·class="nf">getopts</span><span·class="p"·data-group-id="8707972495-1">(</span><span·class="n">Listen</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·164,·SHA:·9ce0d6d0c8b434394b660377b2f2c263bd02d2023d22ec7ceca9bebe09dbee8f·...·] | |
| 335 | </span><span·class="err"> </span><span·class="err"> </span><span·class="p"·data-group-id="8707972495-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OptionValues</span><span·class="p"·data-group-id="8707972495-2">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="8707972495-3">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Error</span><span·class="p"·data-group-id="8707972495-3">}</span></code></pre><p>The·argument·<code·class="inline">Listen</code>·is·the·handle·originally·passed·from·the | ||
| 336 | <a·href="alt_dist.html#listen"><code·class="inline">listen/1</code></a>·callback.·The·argument·<code·class="inline">Opts</code>·is·a·list·of | 336 | <a·href="alt_dist.html#listen"><code·class="inline">listen/1</code></a>·callback.·The·argument·<code·class="inline">Opts</code>·is·a·list·of |
| 337 | options·to·read·for·future·connections.</p></li></ul><p><a·href=""·id="hs_data_record"></a></p><h3·id="the-hs_data-record"·class="section-heading"> | 337 | options·to·read·for·future·connections.</p></li></ul><p><a·href=""·id="hs_data_record"></a></p><h3·id="the-hs_data-record"·class="section-heading"> |
| 338 | ··<a·href="#the-hs_data-record"·class="hover-link"> | 338 | ··<a·href="#the-hs_data-record"·class="hover-link"> |
| 339 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 339 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 340 | ··</a> | 340 | ··</a> |
| 341 | ··<span·class="text">The·#hs_data{}·Record</span> | 341 | ··<span·class="text">The·#hs_data{}·Record</span> |
| 342 | </h3> | 342 | </h3> |
| Offset 350, 44 lines modified | Offset 350, 44 lines modified | ||
| 350 | <a·href="alt_dist.html#accept_connection"><code·class="inline">accept_connection/5</code></a>.</p></li><li><p><strong><code·class="inline"·id="hs_data_other_node">other_node</code></strong>·-·Name·of·the·other·node.·This·field | 350 | <a·href="alt_dist.html#accept_connection"><code·class="inline">accept_connection/5</code></a>.</p></li><li><p><strong><code·class="inline"·id="hs_data_other_node">other_node</code></strong>·-·Name·of·the·other·node.·This·field |
| 351 | is·only·mandatory·when·this·node·initiates·the·connection.·That·is,·when | 351 | is·only·mandatory·when·this·node·initiates·the·connection.·That·is,·when |
| 352 | connection·is·set·up·via·<a·href="alt_dist.html#setup"><code·class="inline">setup/5</code></a>.</p></li><li><p><strong><code·class="inline"·id="hs_data_this_node">this_node</code></strong>·-·The·node·name·of·this·node.</p></li><li><p><strong><code·class="inline"·id="hs_data_socket">socket</code></strong>·-·The·identifier·of·the·distribution | 352 | connection·is·set·up·via·<a·href="alt_dist.html#setup"><code·class="inline">setup/5</code></a>.</p></li><li><p><strong><code·class="inline"·id="hs_data_this_node">this_node</code></strong>·-·The·node·name·of·this·node.</p></li><li><p><strong><code·class="inline"·id="hs_data_socket">socket</code></strong>·-·The·identifier·of·the·distribution |
| 353 | controller.</p></li><li><p><strong><code·class="inline"·id="hs_data_timer">timer</code></strong>·-·The·timer·created·using | 353 | controller.</p></li><li><p><strong><code·class="inline"·id="hs_data_timer">timer</code></strong>·-·The·timer·created·using |
| 354 | <code·class="inline">dist_util:start_timer/1</code>.</p></li><li><p><strong><code·class="inline"·id="hs_data_allowed">allowed</code></strong>·-·Information·passed·as·<code·class="inline">Allowed</code>·to | 354 | <code·class="inline">dist_util:start_timer/1</code>.</p></li><li><p><strong><code·class="inline"·id="hs_data_allowed">allowed</code></strong>·-·Information·passed·as·<code·class="inline">Allowed</code>·to |
| 355 | <code·class="inline">accept_connection/5</code>.·This·field·is·only·mandatory·when·the·remote·node | 355 | <code·class="inline">accept_connection/5</code>.·This·field·is·only·mandatory·when·the·remote·node |
| 356 | initiated·the·connection.·That·is,·when·the·connection·is·set·up·via | 356 | initiated·the·connection.·That·is,·when·the·connection·is·set·up·via |
| 357 | <a·href="alt_dist.html#accept_connection"><code·class="inline">accept_connection/5</code></a>.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_send">f_send</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id=" | 357 | <a·href="alt_dist.html#accept_connection"><code·class="inline">accept_connection/5</code></a>.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_send">f_send</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="3886731578-1">(</span><span·class="n">DistCtrlr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="3886731578-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·299,·SHA:·85f225bf5d59bd71603fab3f707eef0432f3117b1871b6bda96da62e759be501·...·]-2">}</span></code></pre><p>where·<code·class="inline">DistCtrlr</code>·is·the·identifier·of·the·distribution·controller·and·<code·class="inline">Data</code> |
| 358 | is·io·data·to·pass·to·the·other·side.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_recv">f_recv</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="2 | 358 | is·io·data·to·pass·to·the·other·side.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_recv">f_recv</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="2267839010-1">(</span><span·class="n">DistCtrlr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Length</span><span·class="p"·data-group-id="2267839010-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·484,·SHA:·0f7e423bc4002a101d51fdc9fa6886cdf79f660d40fb94b7fcc90f86b439d9ee·...·]-3">}</span></code></pre><p>where·<code·class="inline">DistCtrlr</code>·is·the·identifier·of·the·distribution·controller.·If |
| 359 | <code·class="inline">Length</code>·is·<code·class="inline">0</code>,·all·available·bytes·should·be·returned.·If·<code·class="inline">Length·>·0</code>, | 359 | <code·class="inline">Length</code>·is·<code·class="inline">0</code>,·all·available·bytes·should·be·returned.·If·<code·class="inline">Length·>·0</code>, |
| 360 | exactly·<code·class="inline">Length</code>·bytes·should·be·returned,·or·an·error;·possibly·discarding | 360 | exactly·<code·class="inline">Length</code>·bytes·should·be·returned,·or·an·error;·possibly·discarding |
| 361 | less·than·<code·class="inline">Length</code>·bytes·of·data·when·the·connection·is·closed·from·the·other | 361 | less·than·<code·class="inline">Length</code>·bytes·of·data·when·the·connection·is·closed·from·the·other |
| 362 | side.·It·is·used·for·passive·receive·of·data·from·the·other·end.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_setopts_pre_nodeup">f_setopts_pre_nodeup</code></strong>·-·A·fun·with·the | 362 | side.·It·is·used·for·passive·receive·of·data·from·the·other·end.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_setopts_pre_nodeup">f_setopts_pre_nodeup</code></strong>·-·A·fun·with·the |
| 363 | following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id=" | 363 | following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="8782955578-1">(</span><span·class="n">DistCtrlr</span><span·class="p"·data-group-id="8782955578-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">|</span[·...·truncated·by·diffoscope;·len:·224,·SHA:·2876b00306f4a49d943c9d0d9572ec433a013fed8ce08c5e4d15b6cf052b53da·...·]-2">}</span></code></pre><p>where·<code·class="inline">DistCtrlr</code>·is·the·identifier·of·the·distribution·controller.·Called |
| 364 | just·before·the·distribution·channel·is·taken·up·for·normal·traffic.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_setopts_post_nodeup">f_setopts_post_nodeup</code></strong>·-·A·fun·with | 364 | just·before·the·distribution·channel·is·taken·up·for·normal·traffic.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_setopts_post_nodeup">f_setopts_post_nodeup</code></strong>·-·A·fun·with |
| 365 | the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id=" | 365 | the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="9356643665-1">(</span><span·class="n">DistCtrlr</span><span·class="p"·data-group-id="9356643665-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">|</span[·...·truncated·by·diffoscope;·len:·224,·SHA:·0ae063bd32e401362e119ad1199556e0d10fdd0bc2b784343fea5b0e1dc996a3·...·]-2">}</span></code></pre><p>where·<code·class="inline">DistCtrlr</code>·is·the·identifier·of·the·distribution·controller.·Called |
| 366 | just·after·distribution·channel·has·been·taken·up·for·normal·traffic.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_getll">f_getll</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id=" | 366 | just·after·distribution·channel·has·been·taken·up·for·normal·traffic.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_getll">f_getll</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="3609768923-1">(</span><span·class="n">DistCtrlr</span><span·class="p"·data-group-id="3609768923-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">ID</span></code></pre><p>where·<code·class="inline">DistCtrlr</code>·is·the·identifier·of·the·distribution·controller·and·<code·class="inline">ID</code>·is |
| 367 | the·identifier·of·the·low·level·entity·that·handles·the·connection·(often | 367 | the·identifier·of·the·low·level·entity·that·handles·the·connection·(often |
| 368 | <code·class="inline">DistCtrlr</code>·itself).</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_address">f_address</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id=" | 368 | <code·class="inline">DistCtrlr</code>·itself).</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_f_address">f_address</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="3134804509-1">(</span><span·class="n">DistCtrlr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node</span><span·class="p"·data-group-id="3134804509-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">NetAddress</span></code></pre><p>where·<code·class="inline">DistCtrlr</code>·is·the·identifier·of·the·distribution·controller,·<code·class="inline">Node</code>·is |
| 369 | the·node·name·of·the·node·on·the·other·end,·and·<code·class="inline">NetAddress</code>·is·a | 369 | the·node·name·of·the·node·on·the·other·end,·and·<code·class="inline">NetAddress</code>·is·a |
| 370 | <code·class="inline">#net_address{}</code>·record·with·information·about·the·address·for·the·<code·class="inline">Node</code>·on | 370 | <code·class="inline">#net_address{}</code>·record·with·information·about·the·address·for·the·<code·class="inline">Node</code>·on |
| 371 | the·other·end·of·the·connection.·The·<code·class="inline">#net_address{}</code>·record·is·defined·in | 371 | the·other·end·of·the·connection.·The·<code·class="inline">#net_address{}</code>·record·is·defined·in |
| 372 | <code·class="inline">kernel/include/net_address.hrl</code>.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_mf_tick">mf_tick</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id=" | 372 | <code·class="inline">kernel/include/net_address.hrl</code>.</p><p>Only·used·during·handshake·phase.</p></li><li><p><strong><code·class="inline"·id="hs_data_mf_tick">mf_tick</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="6793905031-1">(</span><span·class="n">DistCtrlr</span><span·class="p"·data-group-id="6793905031-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">void</span><span·class="p"·data-group-id="6793905031-2">[·...·truncated·by·diffoscope;·len:·49,·SHA:·59979ce3cee947b72f4fa50b986bae62734900232df62329cd019725a6cb64a1·...·]-2">)</span></code></pre><p>where·<code·class="inline">DistCtrlr</code>·is·the·identifier·of·the·distribution·controller.·This |
| 373 | function·should·send·information·over·the·connection·that·is·not·interpreted | 373 | function·should·send·information·over·the·connection·that·is·not·interpreted |
| 374 | by·the·other·end·while·increasing·the·statistics·of·received·packets·on·the | 374 | by·the·other·end·while·increasing·the·statistics·of·received·packets·on·the |
| 375 | other·end.·This·is·usually·implemented·by·sending·an·empty·packet.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>It·is·of·vital·importance·that·this·operation·does·not·block·the·caller·for | 375 | other·end.·This·is·usually·implemented·by·sending·an·empty·packet.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>It·is·of·vital·importance·that·this·operation·does·not·block·the·caller·for |
| 376 | a·long·time.·This·since·it·is·called·from·the·connection·supervisor.</p></section><p>Used·when·connection·is·up.</p></li><li><p><strong><code·class="inline"·id="hs_data_mf_getstat">mf_getstat</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="0 | 376 | a·long·time.·This·since·it·is·called·from·the·connection·supervisor.</p></section><p>Used·when·connection·is·up.</p></li><li><p><strong><code·class="inline"·id="hs_data_mf_getstat">mf_getstat</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="0228794300-1">(</span><span·class="n">DistCtrlr</span><span·class="p"·data-group-id="0228794300-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="0228794300-2">{</span><span·class="ss">ok</[·...·truncated·by·diffoscope;·len:·279,·SHA:·026e5717756dedf469f0f3d509dfb41275f27968f867560aa9c4878394371f97·...·]-2">}</span></code></pre><p>where·<code·class="inline">DistCtrlr</code>·is·the·identifier·of·the·distribution·controller,·<code·class="inline">Received</code> |
| 377 | is·received·packets,·<code·class="inline">Sent</code>·is·sent·packets,·and·<code·class="inline">PendSend</code>·is·amount·of·data | 377 | is·received·packets,·<code·class="inline">Sent</code>·is·sent·packets,·and·<code·class="inline">PendSend</code>·is·amount·of·data |
| 378 | in·queue·to·be·sent·(typically·in·bytes,·but·<code·class="inline">dist_util</code>·only·checks·whether | 378 | in·queue·to·be·sent·(typically·in·bytes,·but·<code·class="inline">dist_util</code>·only·checks·whether |
| 379 | the·value·is·non-zero·to·know·there·is·data·in·queue)·or·a·<a·href="erlang.html#t:boolean/0"><code·class="inline">boolean/0</code></a> | 379 | the·value·is·non-zero·to·know·there·is·data·in·queue)·or·a·<a·href="erlang.html#t:boolean/0"><code·class="inline">boolean/0</code></a> |
| 380 | indicating·whether·there·are·packets·in·queue·to·be·sent.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>It·is·of·vital·importance·that·this·operation·does·not·block·the·caller·for | 380 | indicating·whether·there·are·packets·in·queue·to·be·sent.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>It·is·of·vital·importance·that·this·operation·does·not·block·the·caller·for |
| 381 | a·long·time.·This·since·it·is·called·from·the·connection·supervisor.</p></section><p>Used·when·connection·is·up.</p></li><li><p><strong><code·class="inline"·id="hs_data_request_type">request_type</code></strong>·-·The·request·<code·class="inline">Type</code>·as·passed·to | 381 | a·long·time.·This·since·it·is·called·from·the·connection·supervisor.</p></section><p>Used·when·connection·is·up.</p></li><li><p><strong><code·class="inline"·id="hs_data_request_type">request_type</code></strong>·-·The·request·<code·class="inline">Type</code>·as·passed·to |
| 382 | <a·href="alt_dist.html#setup"><code·class="inline">setup/5</code></a>.·This·is·only·mandatory·when·the·connection·has | 382 | <a·href="alt_dist.html#setup"><code·class="inline">setup/5</code></a>.·This·is·only·mandatory·when·the·connection·has |
| 383 | been·initiated·by·this·node.·That·is,·the·connection·is·set·up·via·<code·class="inline">setup/5</code>.</p></li><li><p><strong><code·class="inline"·id="hs_data_mf_setopts">mf_setopts</code></strong>·-·A·fun·with·the·following·signature:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="1486372175-1">(</span><span·class="n">DistCtrl</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opts</span><span·class="p"·data-group-id="1486372175-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="1486372175-2">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Error</span><span·class="p"·data-group-id="1486372175-2">}</span></code></pre><p>where·<code·class="inline">DistCtrlr</code>·is·the·identifier·of·the·distribution·controller·and·<code·class="inline">Opts</code> | ||
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| 241 | ······<p·class="built-using"> | 241 | ······<p·class="built-using"> |
| 242 | ········Built·using | 242 | ········Built·using |
| 243 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 243 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 244 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 244 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 245 | ······</p> | 245 | ······</p> |
| 246 | <p>Copyright·©·1996-202 | 246 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 247 | ····</footer> | 247 | ····</footer> |
| 248 | ··</div> | 248 | ··</div> |
| 249 | </main> | 249 | </main> |
| 250 | </div> | 250 | </div> |
| 251 | <script> | 251 | <script> |
| 252 | ··function·mermaidLoaded()·{ | 252 | ··function·mermaidLoaded()·{ |
| 253 | ····mermaid.initialize({ | 253 | ····mermaid.initialize({ |
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| 641 | ······<p·class="built-using"> | 641 | ······<p·class="built-using"> |
| 642 | ········Built·using | 642 | ········Built·using |
| 643 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 643 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 644 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 644 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 645 | ······</p> | 645 | ······</p> |
| 646 | <p>Copyright·©·1996-202 | 646 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 647 | ····</footer> | 647 | ····</footer> |
| 648 | ··</div> | 648 | ··</div> |
| 649 | </main> | 649 | </main> |
| 650 | </div> | 650 | </div> |
| 651 | <script> | 651 | <script> |
| 652 | ··function·mermaidLoaded()·{ | 652 | ··function·mermaidLoaded()·{ |
| 653 | ····mermaid.initialize({ | 653 | ····mermaid.initialize({ |
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| 209 | they·have·to·follow·certain·restrictions.·The·convention·for·making | 209 | they·have·to·follow·certain·restrictions.·The·convention·for·making |
| 210 | this·clear·is·to·have·a·comment·above·the·function·that·explains·that | 210 | this·clear·is·to·have·a·comment·above·the·function·that·explains·that |
| 211 | the·function·is·transformed·by·YCF·(see·<code·class="inline">maps_values_1_helper</code>·in | 211 | the·function·is·transformed·by·YCF·(see·<code·class="inline">maps_values_1_helper</code>·in |
| 212 | <code·class="inline">erl_map.c</code>·for·an·example).·If·only·the·transformed·version·of·the | 212 | <code·class="inline">erl_map.c</code>·for·an·example).·If·only·the·transformed·version·of·the |
| 213 | function·is·used,·the·convention·is·to·"comment·out"·the·source·for·the | 213 | function·is·used,·the·convention·is·to·"comment·out"·the·source·for·the |
| 214 | function·by·surrounding·it·with·the·following·<code·class="inline">#ifdef</code>·(this·way,·one | 214 | function·by·surrounding·it·with·the·following·<code·class="inline">#ifdef</code>·(this·way,·one |
| 215 | will·not·get·warnings·about·unused·functions):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">#</span><span·class="ss">ifdef</span><span·class="w">·</span><span·class="n">INCLUDE_YCF_TRANSFORMED_ONLY_FUNCTIONS</span><span·class="w"> | 215 | will·not·get·warnings·about·unused·functions):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">#</span><span·class="ss">ifdef</span><span·class="w">·</span><span·class="n">INCLUDE_YCF_TRANSFORMED_ONLY_FUNCTIONS</span><span·class="w"> |
| 216 | </span><span·class="ss">void</span><span·class="w">·</span><span·class="nf">my_fun</span><span·class="p"·data-group-id=" | 216 | </span><span·class="ss">void</span><span·class="w">·</span><span·class="nf">my_fun</span><span·class="p"·data-group-id="7875964363-1">(</span><span·class="p"·data-group-id="7875964363-1">)</span><span·class="w">·</span><span·class="p"·data-group-id="7875964363-2">{</span><span·class="w"> |
| 217 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 217 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 218 | </span><span·class="p"·data-group-id=" | 218 | </span><span·class="p"·data-group-id="7875964363-2">}</span><span·class="w"> |
| 219 | </span><span·class="p">#</span><span·class="ss">endif</span><span·class="w">·</span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">INCLUDE_YCF_TRANSFORMED_ONLY_FUNCTIONS</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span></code></pre><p>While·editing·the·function·one·can·define | 219 | </span><span·class="p">#</span><span·class="ss">endif</span><span·class="w">·</span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">INCLUDE_YCF_TRANSFORMED_ONLY_FUNCTIONS</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span></code></pre><p>While·editing·the·function·one·can·define |
| 220 | <code·class="inline">INCLUDE_YCF_TRANSFORMED_ONLY_FUNCTIONS</code>·so·that·one·can·see·errors | 220 | <code·class="inline">INCLUDE_YCF_TRANSFORMED_ONLY_FUNCTIONS</code>·so·that·one·can·see·errors |
| 221 | and·warnings·in·the·non-transformed·source.</p><h3·id="where-to-place-ycf-transformed-functions"·class="section-heading"> | 221 | and·warnings·in·the·non-transformed·source.</p><h3·id="where-to-place-ycf-transformed-functions"·class="section-heading"> |
| 222 | ··<a·href="#where-to-place-ycf-transformed-functions"·class="hover-link"> | 222 | ··<a·href="#where-to-place-ycf-transformed-functions"·class="hover-link"> |
| 223 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 223 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 224 | ··</a> | 224 | ··</a> |
| 225 | ··<span·class="text">Where·to·Place·YCF·Transformed·Functions</span> | 225 | ··<span·class="text">Where·to·Place·YCF·Transformed·Functions</span> |
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| 365 | ······<p·class="built-using"> | 365 | ······<p·class="built-using"> |
| 366 | ········Built·using | 366 | ········Built·using |
| 367 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 367 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 368 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 368 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 369 | ······</p> | 369 | ······</p> |
| 370 | <p>Copyright·©·1996-202 | 370 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 371 | ····</footer> | 371 | ····</footer> |
| 372 | ··</div> | 372 | ··</div> |
| 373 | </main> | 373 | </main> |
| 374 | </div> | 374 | </div> |
| 375 | <script> | 375 | <script> |
| 376 | ··function·mermaidLoaded()·{ | 376 | ··function·mermaidLoaded()·{ |
| 377 | ····mermaid.initialize({ | 377 | ····mermaid.initialize({ |
| Offset 145, 26 lines modified | Offset 145, 26 lines modified | ||
| 145 | </h2> | 145 | </h2> |
| 146 | <p>The·code·is·loaded·very·similarly·to·how·it·is·loaded·for·the·interpreter.·Each·beam | 146 | <p>The·code·is·loaded·very·similarly·to·how·it·is·loaded·for·the·interpreter.·Each·beam |
| 147 | file·is·parsed·and·then·optimized·through·the·transformations·described·in | 147 | file·is·parsed·and·then·optimized·through·the·transformations·described·in |
| 148 | <a·href="beam_makeops.html#defining-transformation-rules">beam_makeops</a>.·The·transformations | 148 | <a·href="beam_makeops.html#defining-transformation-rules">beam_makeops</a>.·The·transformations |
| 149 | used·in·BeamAsm·are·much·simpler·than·the·interpreter's,·as·most·of·the | 149 | used·in·BeamAsm·are·much·simpler·than·the·interpreter's,·as·most·of·the |
| 150 | transformations·for·the·interpreter·are·done·only·to·eliminate·the·instruction | 150 | transformations·for·the·interpreter·are·done·only·to·eliminate·the·instruction |
| 151 | dispatch·overhead.</p><p>Then·each·instruction·is·encoded·using·the·C++·functions·in·the | 151 | dispatch·overhead.</p><p>Then·each·instruction·is·encoded·using·the·C++·functions·in·the |
| 152 | <code·class="inline">jit/$ARCH/instr_*.cpp</code>·files.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">void</span><span·class="w">·</span><span·class="n">BeamModuleAssembler</span><span·class="p">:</span><span·class="p">:</span><span·class="nf">emit_is_nonempty_list</span><span·class="p"·data-group-id=" | 152 | <code·class="inline">jit/$ARCH/instr_*.cpp</code>·files.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">void</span><span·class="w">·</span><span·class="n">BeamModuleAssembler</span><span·class="p">:</span><span·class="p">:</span><span·class="nf">emit_is_nonempty_list</span><span·class="p"·data-group-id="7526249625-1">(</span><span·class="ss">const</span><span·class="w">·</span><span·class="n">ArgVal</span><span·class="w">·</span><span·class="err">&</span><span·class="n">Fail</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">const<[·...·truncated·by·diffoscope;·len:·257,·SHA:·2dc07f34f291b84bb7a1bbf57397ed81ddd85b75283ec1577eb32d8b20752666·...·]-2">{</span><span·class="w"> |
| 153 | ··</span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">test</span><span·class="p"·data-group-id=" | 153 | ··</span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">test</span><span·class="p"·data-group-id="7526249625-3">(</span><span·class="nf">getArgRef</span><span·class="p"·data-group-id="7526249625-4">(</span><span·class="n">Src</span><span·class="p"·data-group-id="7526249625-4">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">imm<[·...·truncated·by·diffoscope;·len:·327,·SHA:·5e4099d91fe53318ea83c2001e1ec018051cbf52fe37e877c406413f634c456b·...·]-3">)</span><span·class="p">;</span><span·class="w"> |
| 154 | ··</span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">jne</span><span·class="p"·data-group-id=" | 154 | ··</span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">jne</span><span·class="p"·data-group-id="7526249625-6">(</span><span·class="ss">labels</span><span·class="p"·data-group-id="7526249625-7">[</span><span·class="n">Fail</span><span·class="p">.</span><span·class="nf">getLabel</span><span·class="p"·data-group-id="7526249625-8">(</span><span·class="p"[·...·truncated·by·diffoscope;·len:·132,·SHA:·5a51acb197640d6022b675be61d989852c44d02f0bdf0b1efb62ca96188834b6·...·]-6">)</span><span·class="p">;</span><span·class="w"> |
| 155 | </span><span·class="p"·data-group-id=" | 155 | </span><span·class="p"·data-group-id="7526249625-2">}</span></code></pre><p><a·href="https://github.com/asmjit/asmjit">asmjit</a>·provides·a·fairly·straightforward |
| 156 | mapping·from·a·C++·function·call·to·the·x86·assembly·instruction.·The·above | 156 | mapping·from·a·C++·function·call·to·the·x86·assembly·instruction.·The·above |
| 157 | instruction·tests·if·the·value·in·the·<code·class="inline">Src</code>·register·is·a·non-empty·list·and·if | 157 | instruction·tests·if·the·value·in·the·<code·class="inline">Src</code>·register·is·a·non-empty·list·and·if |
| 158 | it·is·not·then·it·jumps·to·the·fail·label.</p><p>For·comparison,·the·interpreter·has·8·combinations·and·specializations·of | 158 | it·is·not·then·it·jumps·to·the·fail·label.</p><p>For·comparison,·the·interpreter·has·8·combinations·and·specializations·of |
| 159 | this·implementation·to·minimize·the·instruction·dispatch·overhead·for | 159 | this·implementation·to·minimize·the·instruction·dispatch·overhead·for |
| 160 | common·patterns.</p><p>The·original·register·allocation·done·by·the·Erlang·compiler·is·used·to·manage·the | 160 | common·patterns.</p><p>The·original·register·allocation·done·by·the·Erlang·compiler·is·used·to·manage·the |
| 161 | liveness·of·values·and·the·physical·registers·are·statically·allocated·to·keep | 161 | liveness·of·values·and·the·physical·registers·are·statically·allocated·to·keep |
| 162 | the·necessary·process·state.·At·the·moment·this·is·the·static·register | 162 | the·necessary·process·state.·At·the·moment·this·is·the·static·register |
| 163 | allocation·on·x86-64:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">rbx</span><span·class="p">:</span><span·class="w">·</span><span·class="n">ErtsSchedulerRegisters</span><span·class="w">·</span><span·class="nf">struct</span><span·class="w">·</span><span·class="p"·data-group-id=" | 163 | allocation·on·x86-64:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">rbx</span><span·class="p">:</span><span·class="w">·</span><span·class="n">ErtsSchedulerRegisters</span><span·class="w">·</span><span·class="nf">struct</span><span·class="w">·</span><span·class="p"·data-group-id="8323922754-1">(</span><span·class="ss">contains</span><span·class="w">·</span><span·class="ss">x</span><span·class="o">/</span><span·class="nb">float</span><span·class="w">·</span><span·class="ss">registers</span><span·class="w">·</span><span·class="ow">an[·...·truncated·by·diffoscope;·len:·157,·SHA:·85c9e90cf181f0f6f777fe5d8a10008ccb8b46615385c68a0abc1ca3c5e11939·...·]-1">)</span><span·class="w"> |
| 164 | </span><span·class="nc">rbp</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Current</span><span·class="w">·</span><span·class="ss">frame</span><span·class="w">·</span><span·class="ss">pointer</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="err">`</span><span·class="ss">perf</span><span·class="err">`</span><span·class="w">·</span><span·class="ss">support</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">enabled</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">otherwise</span><span·class="w">·</span><span·class="ss">this</span><span·class="w"> | 164 | </span><span·class="nc">rbp</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Current</span><span·class="w">·</span><span·class="ss">frame</span><span·class="w">·</span><span·class="ss">pointer</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="err">`</span><span·class="ss">perf</span><span·class="err">`</span><span·class="w">·</span><span·class="ss">support</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">enabled</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">otherwise</span><span·class="w">·</span><span·class="ss">this</span><span·class="w"> |
| 165 | ·····</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">an</span><span·class="w">·</span><span·class="ss">optional</span><span·class="w">·</span><span·class="ss">save</span><span·class="w">·</span><span·class="ss">slot</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">Erlang</span><span·class="w">·</span><span·class="ss">stack</span><span·class="w">·</span><span·class="ss">pointer</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="ss">executing</span><span·class="w">·</span><span·class="n">C</span><span·class="w"> | 165 | ·····</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">an</span><span·class="w">·</span><span·class="ss">optional</span><span·class="w">·</span><span·class="ss">save</span><span·class="w">·</span><span·class="ss">slot</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">Erlang</span><span·class="w">·</span><span·class="ss">stack</span><span·class="w">·</span><span·class="ss">pointer</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="ss">executing</span><span·class="w">·</span><span·class="n">C</span><span·class="w"> |
| 166 | ·····</span><span·class="ss">code</span><span·class="p">.</span><span·class="w"> | 166 | ·····</span><span·class="ss">code</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="nc">r12</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Active</span><span·class="w">·</span><span·class="ss">code</span><span·class="w">·</span><span·class="ss">index</span><span·class="w"> | 167 | </span><span·class="nc">r12</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Active</span><span·class="w">·</span><span·class="ss">code</span><span·class="w">·</span><span·class="ss">index</span><span·class="w"> |
| 168 | </span><span·class="nc">r13</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Current</span><span·class="w">·</span><span·class="ss">running</span><span·class="w">·</span><span·class="ss">process</span><span·class="w"> | 168 | </span><span·class="nc">r13</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Current</span><span·class="w">·</span><span·class="ss">running</span><span·class="w">·</span><span·class="ss">process</span><span·class="w"> |
| 169 | </span><span·class="nc">r14</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Remaining</span><span·class="w">·</span><span·class="ss">reductions</span><span·class="w"> | 169 | </span><span·class="nc">r14</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Remaining</span><span·class="w">·</span><span·class="ss">reductions</span><span·class="w"> |
| 170 | </span><span·class="nc">r15</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Erlang</span><span·class="w">·</span><span·class="ss">heap</span><span·class="w">·</span><span·class="ss">pointer</span></code></pre><p>Note·that·all·of·these·are·callee·save·registers·under·the·System·V·and·Windows | 170 | </span><span·class="nc">r15</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Erlang</span><span·class="w">·</span><span·class="ss">heap</span><span·class="w">·</span><span·class="ss">pointer</span></code></pre><p>Note·that·all·of·these·are·callee·save·registers·under·the·System·V·and·Windows |
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| 183 | shared·and·only·the·arguments·to·the·instructions·vary.·Using·as·little·memory·as | 183 | shared·and·only·the·arguments·to·the·instructions·vary.·Using·as·little·memory·as |
| 184 | possible·has·many·advantages;·less·memory·is·used,·loading·time·decreases, | 184 | possible·has·many·advantages;·less·memory·is·used,·loading·time·decreases, |
| 185 | higher·cache·hit-rate.</p><p>In·BeamAsm·we·need·to·achieve·something·similar·since·the·load-time·of·a·module | 185 | higher·cache·hit-rate.</p><p>In·BeamAsm·we·need·to·achieve·something·similar·since·the·load-time·of·a·module |
| 186 | scales·almost·linearly·with·the·amount·of·memory·it·uses.·Early·BeamAsm·prototypes | 186 | scales·almost·linearly·with·the·amount·of·memory·it·uses.·Early·BeamAsm·prototypes |
| 187 | used·about·double·the·amount·of·memory·for·code·as·the·interpreter,·while·current | 187 | used·about·double·the·amount·of·memory·for·code·as·the·interpreter,·while·current |
| 188 | versions·use·about·10%·more.·How·was·this·achieved?</p><p>In·BeamAsm·we·heavily·use·shared·code·fragments·to·try·to·emit·as·much·code·as | 188 | versions·use·about·10%·more.·How·was·this·achieved?</p><p>In·BeamAsm·we·heavily·use·shared·code·fragments·to·try·to·emit·as·much·code·as |
| 189 | possible·as·global·shared·fragments·instead·of·duplicating·the·code·unnecessarily. | 189 | possible·as·global·shared·fragments·instead·of·duplicating·the·code·unnecessarily. |
| 190 | For·instance,·the·return·instruction·looks·something·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Label</span><span·class="w">·</span><span·class="ss">yield</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">newLabel</span><span·class="p"·data-group-id=" | 190 | For·instance,·the·return·instruction·looks·something·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Label</span><span·class="w">·</span><span·class="ss">yield</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">newLabel</span><span·class="p"·data-group-id="3892259679-1">(</span><span·class="p"·data-group-id="3892259679-1">)</span><span·class="p">;</span><span·class="w"> |
| 191 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Decrement</span><span·class="w">·</span><span·class="ss">reduction</span><span·class="w">·</span><span·class="ss">counter</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> | 191 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Decrement</span><span·class="w">·</span><span·class="ss">reduction</span><span·class="w">·</span><span·class="ss">counter</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> |
| 192 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">dec</span><span·class="p"·data-group-id=" | 192 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">dec</span><span·class="p"·data-group-id="3892259679-2">(</span><span·class="n">FCALLS</span><span·class="p"·data-group-id="3892259679-2">)</span><span·class="p">;</span><span·class="w"> |
| 193 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">If</span><span·class="w">·</span><span·class="n">FCALLS</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">jump</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">yield</span><span·class="o">-</span><span·class="ss">on</span><span·class="o">-</span><span·class="ss">return</span><span·class="w">·</span><span·class="ss">fragment</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> | 193 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">If</span><span·class="w">·</span><span·class="n">FCALLS</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">jump</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">yield</span><span·class="o">-</span><span·class="ss">on</span><span·class="o">-</span><span·class="ss">return</span><span·class="w">·</span><span·class="ss">fragment</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> |
| 194 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">jl</span><span·class="p"·data-group-id=" | 194 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">jl</span><span·class="p"·data-group-id="3892259679-3">(</span><span·class="nf">resolve_fragment</span><span·class="p"·data-group-id="3892259679-4">(</span><span·class="ss">ga</span><span·class="p">-></span><span·class="nf">get_dispatch_return</span><span·class="p"·data-group-id="3892259679-5"[·...·truncated·by·diffoscope;·len:·156,·SHA:·960cc260afe5ce772dfde1a7c2dcfe5ff923c2005bc5e741895b74b3460b92df·...·]-3">)</span><span·class="p">;</span><span·class="w"> |
| 195 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">ret</span><span·class="p"·data-group-id=" | 195 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">ret</span><span·class="p"·data-group-id="3892259679-6">(</span><span·class="p"·data-group-id="3892259679-6">)</span><span·class="p">;</span></code></pre><p>The·code·above·is·not·exactly·what·is·emitted,·but·close·enough.·The·thing·to·note |
| 196 | is·that·the·code·for·doing·the·context·switch·is·never·emitted.·Instead,·we·jump | 196 | is·that·the·code·for·doing·the·context·switch·is·never·emitted.·Instead,·we·jump |
| 197 | to·a·global·fragment·that·all·return·instructions·share.·This·greatly·reduces | 197 | to·a·global·fragment·that·all·return·instructions·share.·This·greatly·reduces |
| 198 | the·amount·of·code·that·has·to·be·emitted·for·each·module.</p><h2·id="running-erlang-code"·class="section-heading"> | 198 | the·amount·of·code·that·has·to·be·emitted·for·each·module.</p><h2·id="running-erlang-code"·class="section-heading"> |
| 199 | ··<a·href="#running-erlang-code"·class="hover-link"> | 199 | ··<a·href="#running-erlang-code"·class="hover-link"> |
| 200 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 200 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 201 | ··</a> | 201 | ··</a> |
| 202 | ··<span·class="text">Running·Erlang·code</span> | 202 | ··<span·class="text">Running·Erlang·code</span> |
| Offset 239, 43 lines modified | Offset 239, 43 lines modified | ||
| 239 | ··<a·href="#running-c-code"·class="hover-link"> | 239 | ··<a·href="#running-c-code"·class="hover-link"> |
| 240 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 240 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 241 | ··</a> | 241 | ··</a> |
| 242 | ··<span·class="text">Running·C·code</span> | 242 | ··<span·class="text">Running·C·code</span> |
| 243 | </h2> | 243 | </h2> |
| 244 | <p>As·Erlang·stacks·can·be·very·small,·we·have·to·switch·over·to·a·different·stack | 244 | <p>As·Erlang·stacks·can·be·very·small,·we·have·to·switch·over·to·a·different·stack |
| 245 | when·we·need·to·execute·C·code·(which·may·expect·a·much·larger·stack).·This·is | 245 | when·we·need·to·execute·C·code·(which·may·expect·a·much·larger·stack).·This·is |
| 246 | done·through·<code·class="inline">emit_enter_runtime</code>·and·<code·class="inline">emit_leave_runtime</code>,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">mov_arg</span><span·class="p"·data-group-id=" | 246 | done·through·<code·class="inline">emit_enter_runtime</code>·and·<code·class="inline">emit_leave_runtime</code>,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">mov_arg</span><span·class="p"·data-group-id="3218127882-1">(</span><span·class="n">ARG4</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NumFree</span><span·class="p"·data-group-id="3218127882-1">)</span><span·class="p">;</span><span·class="w"> |
| 247 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Move</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">C</span><span·class="w">·</span><span·class="ss">stack</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="ss">swap</span><span·class="w">·</span><span·class="ss">out</span><span·class="w">·</span><span·class="ss">our</span><span·class="w">·</span><span·class="ss">current</span><span·class="w">·</span><span·class="ss">reductions</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stack</span><span·class="o">-</span><span·class="p">,</span><span·class="w">·</span><span·class="ow">and</span><span·class="w"> | 247 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Move</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">C</span><span·class="w">·</span><span·class="ss">stack</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="ss">swap</span><span·class="w">·</span><span·class="ss">out</span><span·class="w">·</span><span·class="ss">our</span><span·class="w">·</span><span·class="ss">current</span><span·class="w">·</span><span·class="ss">reductions</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stack</span><span·class="o">-</span><span·class="p">,</span><span·class="w">·</span><span·class="ow">and</span><span·class="w"> |
| 248 | ·</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">heap</span><span·class="w">·</span><span·class="ss">pointer</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">process</span><span·class="w">·</span><span·class="ss">structure</span><span·class="p">.</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> | 248 | ·</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">heap</span><span·class="w">·</span><span·class="ss">pointer</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">process</span><span·class="w">·</span><span·class="ss">structure</span><span·class="p">.</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> |
| 249 | </span><span·class="ss">emit_enter_runtime</span><span·class="o"><</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eReductions</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eStack</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eHeap</span><span·class="o">></span><span·class="p"·data-group-id=" | 249 | </span><span·class="ss">emit_enter_runtime</span><span·class="o"><</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eReductions</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eStack</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eHeap</span><span·class="o">></span><span·class="p"·data-group-id="3218127882-2">(</span><span·class="p"·data-group-id="3218127882-2">)</span><span·class="p">;</span><span·class="w"> |
| 250 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">mov</span><span·class="p"·data-group-id=" | 250 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">mov</span><span·class="p"·data-group-id="3218127882-3">(</span><span·class="n">ARG1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">c_p</span><span·class="p"·data-group-id="3218127882-3">)</span><span·class="p">;</span><span·class="w"> |
| 251 | </span><span·class="nf">load_x_reg_array</span><span·class="p"·data-group-id=" | 251 | </span><span·class="nf">load_x_reg_array</span><span·class="p"·data-group-id="3218127882-4">(</span><span·class="n">ARG2</span><span·class="p"·data-group-id="3218127882-4">)</span><span·class="p">;</span><span·class="w"> |
| 252 | </span><span·class="nf">make_move_patch</span><span·class="p"·data-group-id=" | 252 | </span><span·class="nf">make_move_patch</span><span·class="p"·data-group-id="3218127882-5">(</span><span·class="n">ARG3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">lambdas</span><span·class="p"·data-group-id="3218127882-6">[</span><span·class="n">Fun</span><span·class="p">.</span><span·class="nf">getValue[·...·truncated·by·diffoscope;·len:·262,·SHA:·4f26e0630e5fd3b1f08d21dc7dee807279cc719ebf0880a80fded6ecebf5a0e4·...·]-5">)</span><span·class="p">;</span><span·class="w"> |
| 253 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Call</span><span·class="w">·</span><span·class="err">`</span><span·class="ss">new_fun</span><span·class="err">`</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">asserting</span><span·class="w">·</span><span·class="ss">that</span><span·class="w">·</span><span·class="ss">we</span><span·class="err">'</span><span·class="ss">re</span><span·class="w">·</span><span·class="ss">on</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">C</span><span·class="w">·</span><span·class="ss">stack</span><span·class="p">.</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> | 253 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Call</span><span·class="w">·</span><span·class="err">`</span><span·class="ss">new_fun</span><span·class="err">`</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">asserting</span><span·class="w">·</span><span·class="ss">that</span><span·class="w">·</span><span·class="ss">we</span><span·class="err">'</span><span·class="ss">re</span><span·class="w">·</span><span·class="ss">on</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">C</span><span·class="w">·</span><span·class="ss">stack</span><span·class="p">.</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> |
| 254 | </span><span·class="ss">runtime_call</span><span·class="o"><</span><span·class="mi">4</span><span·class="o">></span><span·class="p"·data-group-id=" | 254 | </span><span·class="ss">runtime_call</span><span·class="o"><</span><span·class="mi">4</span><span·class="o">></span><span·class="p"·data-group-id="3218127882-8">(</span><span·class="ss">new_fun</span><span·class="p"·data-group-id="3218127882-8">)</span><span·class="p">;</span><span·class="w"> |
| 255 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Move</span><span·class="w">·</span><span·class="ss">back</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">C</span><span·class="w">·</span><span·class="ss">stack</span><span·class="p">,</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="ss">read</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">updated</span><span·class="w">·</span><span·class="ss">values</span><span·class="w">·</span><span·class="ss">from</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">process</span><span·class="w"> | 255 | </span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Move</span><span·class="w">·</span><span·class="ss">back</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">C</span><span·class="w">·</span><span·class="ss">stack</span><span·class="p">,</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="ss">read</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">updated</span><span·class="w">·</span><span·class="ss">values</span><span·class="w">·</span><span·class="ss">from</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">process</span><span·class="w"> |
| 256 | ·</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">structure</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> | 256 | ·</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">structure</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> |
| 257 | </span><span·class="ss">emit_leave_runtime</span><span·class="o"><</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eReductions</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eStack</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eHeap</span><span·class="o">></span><span·class="p"·data-group-id=" | 257 | </span><span·class="ss">emit_leave_runtime</span><span·class="o"><</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eReductions</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eStack</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Update</span><span·class="p">:</span><span·class="p">:</span><span·class="ss">eHeap</span><span·class="o">></span><span·class="p"·data-group-id="3218127882-9">(</span><span·class="p"·data-group-id="3218127882-9">)</span><span·class="p">;</span><span·class="w"> |
| 258 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">mov</span><span·class="p"·data-group-id=" | 258 | </span><span·class="ss">a</span><span·class="p">.</span><span·class="nf">mov</span><span·class="p"·data-group-id="3218127882-10">(</span><span·class="nf">getXRef</span><span·class="p"·data-group-id="3218127882-11">(</span><span·class="mi">0</span><span·class="p"·data-group-id="3218127882-11">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RET</[·...·truncated·by·diffoscope;·len:·46,·SHA:·a81844f03a465fbb103af1daee12a3685275220170640355a937018ef50f1f35·...·]-10">)</span><span·class="p">;</span></code></pre><p>All·combinations·of·the·<code·class="inline">Update</code>·constants·are·legal,·but·the·ones·given·to |
| 259 | <code·class="inline">emit_leave_runtime</code>·<em>must</em>·be·the·same·as·those·given·to·<code·class="inline">emit_enter_runtime</code>.</p><h2·id="tracing-and-nif-loading"·class="section-heading"> | 259 | <code·class="inline">emit_leave_runtime</code>·<em>must</em>·be·the·same·as·those·given·to·<code·class="inline">emit_enter_runtime</code>.</p><h2·id="tracing-and-nif-loading"·class="section-heading"> |
| 260 | ··<a·href="#tracing-and-nif-loading"·class="hover-link"> | 260 | ··<a·href="#tracing-and-nif-loading"·class="hover-link"> |
| 261 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 261 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 262 | ··</a> | 262 | ··</a> |
| 263 | ··<span·class="text">Tracing·and·NIF·Loading</span> | 263 | ··<span·class="text">Tracing·and·NIF·Loading</span> |
| 264 | </h2> | 264 | </h2> |
| 265 | <p>To·make·tracing·and·NIF·loading·work·there·needs·to·be·a·way·to·intercept | 265 | <p>To·make·tracing·and·NIF·loading·work·there·needs·to·be·a·way·to·intercept |
| 266 | any·function·call.·In·the·interpreter,·this·is·done·by·rewriting·the·loaded | 266 | any·function·call.·In·the·interpreter,·this·is·done·by·rewriting·the·loaded |
| 267 | BEAM·code,·but·this·is·more·complicated·in·BeamAsm·as·we·want·to·have·a·fast | 267 | BEAM·code,·but·this·is·more·complicated·in·BeamAsm·as·we·want·to·have·a·fast |
| 268 | and·compact·way·to·do·this.·This·is·solved·by·emitting·the·code·below·at·the | 268 | and·compact·way·to·do·this.·This·is·solved·by·emitting·the·code·below·at·the |
| 269 | start·of·each·function·(x86·variant·below):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="mi">0</span><span·class="nc">x0</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">short</span><span·class="w">·</span><span·class="ss">jmp</span><span·class="w">·</span><span·class="mi">6</span><span·class="w">·</span><span·class="p"·data-group-id=" | 269 | start·of·each·function·(x86·variant·below):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="mi">0</span><span·class="nc">x0</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">short</span><span·class="w">·</span><span·class="ss">jmp</span><span·class="w">·</span><span·class="mi">6</span><span·class="w">·</span><span·class="p"·data-group-id="2333587957-1">(</span><span·class="ss">address</span><span·class="w">·</span><span·class="mi">0</span><span·class="ss">x8</span><span·class="p"·data-group-id="2333587957-1">)</span><span·class="w"> |
| 270 | ··</span><span·class="mi">0</span><span·class="nc">x2</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nop</span><span·class="w"> | 270 | ··</span><span·class="mi">0</span><span·class="nc">x2</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nop</span><span·class="w"> |
| 271 | ··</span><span·class="mi">0</span><span·class="nc">x3</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">relative</span><span·class="w">·</span><span·class="ss">near</span><span·class="w">·</span><span·class="ss">call</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">shared</span><span·class="w">·</span><span·class="ss">breakpoint</span><span·class="w">·</span><span·class="ss">fragment</span><span·class="w"> | 271 | ··</span><span·class="mi">0</span><span·class="nc">x3</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">relative</span><span·class="w">·</span><span·class="ss">near</span><span·class="w">·</span><span·class="ss">call</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">shared</span><span·class="w">·</span><span·class="ss">breakpoint</span><span·class="w">·</span><span·class="ss">fragment</span><span·class="w"> |
| 272 | ··</span><span·class="mi">0</span><span·class="nc">x8</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">actual</span><span·class="w">·</span><span·class="ss">code</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">function</span></code></pre><p>When·code·starts·to·execute·it·will·simply·see·the·<code·class="inline">short·jmp·6</code>·instruction | 272 | ··</span><span·class="mi">0</span><span·class="nc">x8</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">actual</span><span·class="w">·</span><span·class="ss">code</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">function</span></code></pre><p>When·code·starts·to·execute·it·will·simply·see·the·<code·class="inline">short·jmp·6</code>·instruction |
| 273 | which·skips·the·prologue·and·starts·to·execute·the·code·directly.</p><p>When·we·want·to·enable·a·certain·breakpoint·we·set·the·jmp·target·to·be·1, | 273 | which·skips·the·prologue·and·starts·to·execute·the·code·directly.</p><p>When·we·want·to·enable·a·certain·breakpoint·we·set·the·jmp·target·to·be·1, |
| 274 | which·means·it·will·land·on·the·call·to·the·shared·breakpoint·fragment.·This | 274 | which·means·it·will·land·on·the·call·to·the·shared·breakpoint·fragment.·This |
| 275 | fragment·checks·the·current·<code·class="inline">breakpoint_flag</code>·stored·in·the·ErtsCodeInfo·of | 275 | fragment·checks·the·current·<code·class="inline">breakpoint_flag</code>·stored·in·the·ErtsCodeInfo·of |
| 276 | this·function,·and·then·calls·<code·class="inline">erts_call_nif_early</code>·and | 276 | this·function,·and·then·calls·<code·class="inline">erts_call_nif_early</code>·and |
| Offset 289, 31 lines modified | Offset 289, 31 lines modified | ||
| 289 | ··<span·class="text">Updating·code</span> | 289 | ··<span·class="text">Updating·code</span> |
| 290 | </h3> | 290 | </h3> |
| 291 | <p>Because·many·environments·enforce·<a·href="https://en.wikipedia.org/wiki/W%5EX"·title="">W^X</a>·it's·not·always·possible·to·write | 291 | <p>Because·many·environments·enforce·<a·href="https://en.wikipedia.org/wiki/W%5EX"·title="">W^X</a>·it's·not·always·possible·to·write |
| 292 | directly·to·the·code·pages.·Because·of·this·we·map·code·twice:·once·with·an | 292 | directly·to·the·code·pages.·Because·of·this·we·map·code·twice:·once·with·an |
| 293 | executable·page·and·once·with·a·writable·page.·Since·they're·backed·by·the | 293 | executable·page·and·once·with·a·writable·page.·Since·they're·backed·by·the |
| 294 | same·memory,·writes·to·the·writable·page·appear·magically·in·the·executable | 294 | same·memory,·writes·to·the·writable·page·appear·magically·in·the·executable |
| 295 | one.</p><p>The·<code·class="inline">erts_writable_code_ptr</code>·function·can·be·used·to·get·writable·pointers | 295 | one.</p><p>The·<code·class="inline">erts_writable_code_ptr</code>·function·can·be·used·to·get·writable·pointers |
| 296 | given·a·module·instance,·provided·that·it·has·been·unsealed·first:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">for</span><span·class="w">·</span><span·class="p"·data-group-id=" | 296 | given·a·module·instance,·provided·that·it·has·been·unsealed·first:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">for</span><span·class="w">·</span><span·class="p"·data-group-id="5316558703-1">(</span><span·class="ss">i</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">;</span><span·class="w">·</span><span·class="ss">i</span><span·class="w">·</span><span·class="o"[·...·truncated·by·diffoscope;·len:·277,·SHA:·f00b15b1edf6d19bb7de7c80efc614698c4e491e4f09f0b1e7ef20d0c4f69444·...·]-2">{</span><span·class="w"> |
| 297 | ····</span><span·class="ss">const</span><span·class="w">·</span><span·class="n">ErtsCodeInfo</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">ci_exec</span><span·class="p">;</span><span·class="w"> | 297 | ····</span><span·class="ss">const</span><span·class="w">·</span><span·class="n">ErtsCodeInfo</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">ci_exec</span><span·class="p">;</span><span·class="w"> |
| 298 | ····</span><span·class="n">ErtsCodeInfo</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">ci_rw</span><span·class="p">;</span><span·class="w"> | 298 | ····</span><span·class="n">ErtsCodeInfo</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">ci_rw</span><span·class="p">;</span><span·class="w"> |
| 299 | ····</span><span·class="ss">void</span><span·class="w">·</span><span·class="o">*</span><span·class="ss">w_ptr</span><span·class="p">;</span><span·class="w"> | 299 | ····</span><span·class="ss">void</span><span·class="w">·</span><span·class="o">*</span><span·class="ss">w_ptr</span><span·class="p">;</span><span·class="w"> |
| 300 | ····</span><span·class="nf">erts_unseal_module</span><span·class="p"·data-group-id=" | 300 | ····</span><span·class="nf">erts_unseal_module</span><span·class="p"·data-group-id="5316558703-3">(</span><span·class="err">&</span><span·class="ss">modp</span><span·class="p">-></span><span·class="ss">curr</span><span·class="p"·data-group-id="5316558703-3">)</span><span·class="p">;</span><span·class="w"> |
| 301 | ····</span><span·class="ss">ci_exec</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">code_hdr</span><span·class="p">-></span><span·class="ss">functions</span><span·class="p"·data-group-id=" | 301 | ····</span><span·class="ss">ci_exec</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">code_hdr</span><span·class="p">-></span><span·class="ss">functions</span><span·class="p"·data-group-id="5316558703-4">[</span><span·class="ss">i</span><span·class="p"·data-group-id="5316558703-4">]</span><span·class="p">;</span><span·class="w"> |
| 302 | ····</span><span·class="ss">w_ptr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">erts_writable_code_ptr</span><span·class="p"·data-group-id=" | 302 | ····</span><span·class="ss">w_ptr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">erts_writable_code_ptr</span><span·class="p"·data-group-id="5316558703-5">(</span><span·class="err">&</span><span·class="ss">modp</span><span·class="p">-></span><span·class="ss">curr</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ci_exec</span><span·class="p"·data-group-id="5316558703-5">)</span><span·class="p">;</span><span·class="w"> |
| 303 | ····</span><span·class="ss">ci_rw</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 303 | ····</span><span·class="ss">ci_rw</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5316558703-6">(</span><span·class="n">ErtsCodeInfo</span><span·class="o">*</span><span·class="p"·data-group-id="5316558703-6">)</span><span·class="ss">w_ptr</span><span·class="p">;</span><span·class="w"> |
| 304 | ····</span><span·class="nf">uninstall_breakpoint</span><span·class="p"·data-group-id=" | 304 | ····</span><span·class="nf">uninstall_breakpoint</span><span·class="p"·data-group-id="5316558703-7">(</span><span·class="ss">ci_rw</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ci_exec</span><span·class="p"·data-group-id="5316558703-7">)</span><span·class="p">;</span><span·class="w"> |
| 305 | ····</span><span·class="nf">consolidate_bp_data</span><span·class="p"·data-group-id=" | 305 | ····</span><span·class="nf">consolidate_bp_data</span><span·class="p"·data-group-id="5316558703-8">(</span><span·class="ss">modp</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ci_rw</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="5316558703-8">)</span><span·class="p">;</span><span·class="w"> |
| 306 | ····</span><span·class="n">ASSERT</span><span·class="p"·data-group-id=" | 306 | ····</span><span·class="n">ASSERT</span><span·class="p"·data-group-id="5316558703-9">(</span><span·class="ss">ci_rw</span><span·class="p">-></span><span·class="ss">gen_bp</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="n">NULL</span><span·class="p"·data-group-id="5316558703-9">)</span><span·class="p">;</span><span·class="w"> |
| 307 | ····</span><span·class="nf">erts_seal_module</span><span·class="p"·data-group-id=" | 307 | ····</span><span·class="nf">erts_seal_module</span><span·class="p"·data-group-id="5316558703-10">(</span><span·class="err">&</span><span·class="ss">modp</span><span·class="p">-></span><span·class="ss">curr</span><span·class="p"·data-group-id="5316558703-10">)</span><span·class="p">;</span><span·class="w"> |
| 308 | </span><span·class="p"·data-group-id=" | 308 | </span><span·class="p"·data-group-id="5316558703-2">}</span></code></pre><p>Without·the·module·instance·there's·no·reliable·way·to·figure·out·the·writable |
| 309 | address·of·a·code·page,·and·we·rely·on·<em>address·space·layout·randomization</em> | 309 | address·of·a·code·page,·and·we·rely·on·<em>address·space·layout·randomization</em> |
| 310 | (ASLR)·to·make·it·difficult·to·guess.·On·some·platforms,·security·is·further | 310 | (ASLR)·to·make·it·difficult·to·guess.·On·some·platforms,·security·is·further |
| 311 | enhanced·by·protecting·the·writable·area·from·writes·until·the·module·has·been | 311 | enhanced·by·protecting·the·writable·area·from·writes·until·the·module·has·been |
| 312 | unsealed·by·<code·class="inline">erts_unseal_module</code>.</p><h3·id="export-tracing"·class="section-heading"> | 312 | unsealed·by·<code·class="inline">erts_unseal_module</code>.</p><h3·id="export-tracing"·class="section-heading"> |
| 313 | ··<a·href="#export-tracing"·class="hover-link"> | 313 | ··<a·href="#export-tracing"·class="hover-link"> |
| 314 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 314 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 315 | ··</a> | 315 | ··</a> |
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| 393 | </span><span·class="ss">perf</span><span·class="w">·</span><span·class="ss">script</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="ss">out</span><span·class="p">.</span><span·class="ss">perf</span><span·class="w"> | 393 | </span><span·class="ss">perf</span><span·class="w">·</span><span·class="ss">script</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="ss">out</span><span·class="p">.</span><span·class="ss">perf</span><span·class="w"> |
| 394 | </span><span·class="p">#</span><span·class="p">#</span><span·class="w">·</span><span·class="ss">run</span><span·class="w">·</span><span·class="ss">stackcollapse</span><span·class="w"> | 394 | </span><span·class="p">#</span><span·class="p">#</span><span·class="w">·</span><span·class="ss">run</span><span·class="w">·</span><span·class="ss">stackcollapse</span><span·class="w"> |
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| 403 | ······<p·class="built-using"> | 403 | ······<p·class="built-using"> |
| 404 | ········Built·using | 404 | ········Built·using |
| 405 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 405 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 406 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 406 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 407 | ······</p> | 407 | ······</p> |
| 408 | <p>Copyright·©·1996-202 | 408 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 409 | ····</footer> | 409 | ····</footer> |
| 410 | ··</div> | 410 | ··</div> |
| 411 | </main> | 411 | </main> |
| 412 | </div> | 412 | </div> |
| 413 | <script> | 413 | <script> |
| 414 | ··function·mermaidLoaded()·{ | 414 | ··function·mermaidLoaded()·{ |
| 415 | ····mermaid.initialize({ | 415 | ····mermaid.initialize({ |
| Offset 163, 16 lines modified | Offset 163, 16 lines modified | ||
| 163 | only·be·done·by·one·loader·process·at·a·time.·A·second·loader·process | 163 | only·be·done·by·one·loader·process·at·a·time.·A·second·loader·process |
| 164 | trying·to·enter·finishing·phase·will·be·suspended·until·the·first | 164 | trying·to·enter·finishing·phase·will·be·suspended·until·the·first |
| 165 | loader·is·done.·This·will·only·block·the·process,·the·scheduler·is | 165 | loader·is·done.·This·will·only·block·the·process,·the·scheduler·is |
| 166 | free·to·schedule·other·work·while·the·second·loader·is·waiting.·(See | 166 | free·to·schedule·other·work·while·the·second·loader·is·waiting.·(See |
| 167 | <code·class="inline">erts_try_seize_code_load_permission</code>·and | 167 | <code·class="inline">erts_try_seize_code_load_permission</code>·and |
| 168 | <code·class="inline">erts_release_code_load_permission</code>).</p><p>The·ability·to·prepare·several·modules·in·parallel·is·not·currently | 168 | <code·class="inline">erts_release_code_load_permission</code>).</p><p>The·ability·to·prepare·several·modules·in·parallel·is·not·currently |
| 169 | used·as·almost·all·code·loading·is·serialized·by·the·code_server | 169 | used·as·almost·all·code·loading·is·serialized·by·the·code_server |
| 170 | process.·The·BIF·interface·is·however·prepared·for·this.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">prepare_loading</span><span·class="p"·data-group-id=" | 170 | process.·The·BIF·interface·is·however·prepared·for·this.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">prepare_loading</span><span·class="p"·data-group-id="8919575389-1">(</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Code</span><span·class="p"·data-group-id="8919575389-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">LoaderState</span><span·class="w"> |
| 171 | ··</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">finish_loading</span><span·class="p"·data-group-id=" | 171 | ··</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">finish_loading</span><span·class="p"·data-group-id="8919575389-2">(</span><span·class="p"·data-group-id="8919575389-3">[</span><span·class="n">LoaderState</span><span·class="p"·data-group-id="8919575389-3">]</span><span·class="p"·data-group-id="8919575389-2">)</span></code></pre><p>The·idea·is·that·<code·class="inline">prepare_loading</code>·could·be·called·in·parallel·for |
| 172 | different·modules·and·returns·a·"magic·binary"·containing·the·internal | 172 | different·modules·and·returns·a·"magic·binary"·containing·the·internal |
| 173 | state·of·each·prepared·module.·Function·<code·class="inline">finish_loading</code>·could·take·a | 173 | state·of·each·prepared·module.·Function·<code·class="inline">finish_loading</code>·could·take·a |
| 174 | list·of·such·states·and·do·the·finishing·of·all·of·them·in·one·go.</p><p>Currently·we·use·the·legacy·BIF·<code·class="inline">erlang:load_module</code>·which·is·now | 174 | list·of·such·states·and·do·the·finishing·of·all·of·them·in·one·go.</p><p>Currently·we·use·the·legacy·BIF·<code·class="inline">erlang:load_module</code>·which·is·now |
| 175 | implemented·in·Erlang·by·calling·the·above·two·functions·in | 175 | implemented·in·Erlang·by·calling·the·above·two·functions·in |
| 176 | sequence.·Function·<code·class="inline">finish_loading</code>·is·limited·to·only·accepts·a·list | 176 | sequence.·Function·<code·class="inline">finish_loading</code>·is·limited·to·only·accepts·a·list |
| 177 | with·one·module·state·as·we·do·not·yet·use·the·multi·module·loading | 177 | with·one·module·state·as·we·do·not·yet·use·the·multi·module·loading |
| 178 | feature.</p><h2·id="the-finishing-sequence"·class="section-heading"> | 178 | feature.</p><h2·id="the-finishing-sequence"·class="section-heading"> |
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| 315 | ······<p·class="built-using"> | 315 | ······<p·class="built-using"> |
| 316 | ········Built·using | 316 | ········Built·using |
| 317 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 317 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 318 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 318 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 319 | ······</p> | 319 | ······</p> |
| 320 | <p>Copyright·©·1996-202 | 320 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 321 | ····</footer> | 321 | ····</footer> |
| 322 | ··</div> | 322 | ··</div> |
| 323 | </main> | 323 | </main> |
| 324 | </div> | 324 | </div> |
| 325 | <script> | 325 | <script> |
| 326 | ··function·mermaidLoaded()·{ | 326 | ··function·mermaidLoaded()·{ |
| 327 | ····mermaid.initialize({ | 327 | ····mermaid.initialize({ |
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| 198 | ······<p·class="built-using"> | 198 | ······<p·class="built-using"> |
| 199 | ········Built·using | 199 | ········Built·using |
| 200 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 200 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 201 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 201 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 202 | ······</p> | 202 | ······</p> |
| 203 | <p>Copyright·©·1996-202 | 203 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 204 | ····</footer> | 204 | ····</footer> |
| 205 | ··</div> | 205 | ··</div> |
| 206 | </main> | 206 | </main> |
| 207 | </div> | 207 | </div> |
| 208 | <script> | 208 | <script> |
| 209 | ··function·mermaidLoaded()·{ | 209 | ··function·mermaidLoaded()·{ |
| 210 | ····mermaid.initialize({ | 210 | ····mermaid.initialize({ |
| Offset 495, 15 lines modified | Offset 495, 15 lines modified | ||
| 495 | ······<p·class="built-using"> | 495 | ······<p·class="built-using"> |
| 496 | ········Built·using | 496 | ········Built·using |
| 497 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 497 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 498 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 498 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 499 | ······</p> | 499 | ······</p> |
| 500 | <p>Copyright·©·1996-202 | 500 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 501 | ····</footer> | 501 | ····</footer> |
| 502 | ··</div> | 502 | ··</div> |
| 503 | </main> | 503 | </main> |
| 504 | </div> | 504 | </div> |
| 505 | <script> | 505 | <script> |
| 506 | ··function·mermaidLoaded()·{ | 506 | ··function·mermaidLoaded()·{ |
| 507 | ····mermaid.initialize({ | 507 | ····mermaid.initialize({ |
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| 216 | ······<p·class="built-using"> | 216 | ······<p·class="built-using"> |
| 217 | ········Built·using | 217 | ········Built·using |
| 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 220 | ······</p> | 220 | ······</p> |
| 221 | <p>Copyright·©·1996-202 | 221 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 222 | ····</footer> | 222 | ····</footer> |
| 223 | ··</div> | 223 | ··</div> |
| 224 | </main> | 224 | </main> |
| 225 | </div> | 225 | </div> |
| 226 | <script> | 226 | <script> |
| 227 | ··function·mermaidLoaded()·{ | 227 | ··function·mermaidLoaded()·{ |
| 228 | ····mermaid.initialize({ | 228 | ····mermaid.initialize({ |
| Offset 401, 21 lines modified | Offset 401, 21 lines modified | ||
| 401 | <a·href="erlang.html#put/2"><code·class="inline">put/2</code></a>·and·<a·href="erlang.html#get/1"><code·class="inline">get/1</code></a>·thing)·is·non-empty.</p><p>The·raw·memory·information·can·be·decoded·by·the·Crashdump·Viewer·tool.·You·can | 401 | <a·href="erlang.html#put/2"><code·class="inline">put/2</code></a>·and·<a·href="erlang.html#get/1"><code·class="inline">get/1</code></a>·thing)·is·non-empty.</p><p>The·raw·memory·information·can·be·decoded·by·the·Crashdump·Viewer·tool.·You·can |
| 402 | then·see·the·stack·dump,·the·message·queue·(if·any),·and·the·dictionary·(if | 402 | then·see·the·stack·dump,·the·message·queue·(if·any),·and·the·dictionary·(if |
| 403 | any).</p><p>The·stack·dump·is·a·dump·of·the·Erlang·process·stack.·Most·of·the·live·data | 403 | any).</p><p>The·stack·dump·is·a·dump·of·the·Erlang·process·stack.·Most·of·the·live·data |
| 404 | (that·is,·variables·currently·in·use)·are·placed·on·the·stack;·thus·this·can·be | 404 | (that·is,·variables·currently·in·use)·are·placed·on·the·stack;·thus·this·can·be |
| 405 | interesting.·One·has·to·"guess"·what·is·what,·but·as·the·information·is | 405 | interesting.·One·has·to·"guess"·what·is·what,·but·as·the·information·is |
| 406 | symbolic,·thorough·reading·of·this·information·can·be·useful.·As·an·example,·we | 406 | symbolic,·thorough·reading·of·this·information·can·be·useful.·As·an·example,·we |
| 407 | can·find·the·state·variable·of·the·Erlang·primitive·loader·online·<code·class="inline">(5)</code>·and | 407 | can·find·the·state·variable·of·the·Erlang·primitive·loader·online·<code·class="inline">(5)</code>·and |
| 408 | <code·class="inline">(6)</code>·in·the·following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 408 | <code·class="inline">(6)</code>·in·the·following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1732582837-1">(</span><span·class="mi">1</span><span·class="p"·data-group-id="1732582837-1">)</span><span·class="w">··</span><span·class="mi">3</span><span·class="ss">cac44</span><span·class="w">···</span><span·class="n">Return</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·425,·SHA:·3a63861552acbfc6fc73dc0e5b3facb591b4d66b4175bb235e7c90fb095edf17·...·]7-2">)</span><span·class="w"> |
| 409 | </span><span·class="p"·data-group-id=" | 409 | </span><span·class="p"·data-group-id="1732582837-3">(</span><span·class="mi">2</span><span·class="p"·data-group-id="1732582837-3">)</span><span·class="w">··</span><span·class="nf">y</span><span·class="p"·data-group-id="1732582837-4">(</span><span·class="mi">0</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·93,·SHA:·d26d5cd52191c00c67b96170f48c23c64502ca19a7b7f7555edd39c100a38cc4·...·]7-5">[</span><span·class="s">"/view/siri_r10_dev/clearcase/otp/erts/lib/kernel/ebin"</span><span·class="p">,</span><span·class="w"> |
| 410 | </span><span·class="p"·data-group-id=" | 410 | </span><span·class="p"·data-group-id="1732582837-6">(</span><span·class="mi">3</span><span·class="p"·data-group-id="1732582837-6">)</span><span·class="w">············</span><span·class="s">"/view/siri_r10_dev/clearcase/otp/erts/lib/stdlib/ebin"</span><span·class="p"·data-group-id="17[·...·truncated·by·diffoscope;·len:·7,·SHA:·37d6886800103e6a5f7203996c864be3ea94a0c95773f06d1eb6a29d0d649e9f·...·]7-5">]</span><span·class="w"> |
| 411 | </span><span·class="p"·data-group-id=" | 411 | </span><span·class="p"·data-group-id="1732582837-7">(</span><span·class="mi">4</span><span·class="p"·data-group-id="1732582837-7">)</span><span·class="w">··</span><span·class="nf">y</span><span·class="p"·data-group-id="1732582837-8">(</span><span·class="mi">1</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·12,·SHA:·b8a67b95d00ce739a554552c717e5f17ee4e65358d8d73f1125b5af09fe7fe24·...·]7-8">)</span><span·class="w">·····</span><span·class="o"><</span><span·class="mf">0.1</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w"> |
| 412 | </span><span·class="p"·data-group-id=" | 412 | </span><span·class="p"·data-group-id="1732582837-9">(</span><span·class="mi">5</span><span·class="p"·data-group-id="1732582837-9">)</span><span·class="w">··</span><span·class="nf">y</span><span·class="p"·data-group-id="1732582837-10">(</span><span·class="mi">2</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·256,·SHA:·bcdc89940de8eb238b55cdebf900d22feb62d71fcbfa21e8881510ea4a22f655·...·]7-12">]</span><span·class="p">,</span><span·class="ss">none</span><span·class="p">,</span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_prim_loader</span><span·class="p">.</span><span·class="mf">6.7085890</span><span·class="o">></span><span·class="p">,</span><span·class="ss">undefined</span><span·class="p">,</span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_prim_loader</span><span·class="p">.</span><span·class="mf">7.9000327</span><span·class="o">></span><span·class="p">,</span><span·class="w"> |
| 413 | </span><span·class="p"·data-group-id=" | 413 | </span><span·class="p"·data-group-id="1732582837-13">(</span><span·class="mi">6</span><span·class="p"·data-group-id="1732582837-13">)</span><span·class="w">············</span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_prim_loader</span><sp[·...·truncated·by·diffoscope;·len:·560,·SHA:·b6acea81497e68311f2dd012ce0b58566f4c3164355611ad36b9f81303e244fa·...·]7-11">}</span><span·class="w"> |
| 414 | </span><span·class="p"·data-group-id=" | 414 | </span><span·class="p"·data-group-id="1732582837-14">(</span><span·class="mi">7</span><span·class="p"·data-group-id="1732582837-14">)</span><span·class="w">··</span><span·class="nf">y</span><span·class="p"·data-group-id="1732582837-15">(</span><span·class="mi">3</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·15,·SHA:·74dfccc3c72358efc420da3bceae79c5cc3ea87b2be7fad74369b44cd2c89a66·...·]7-15">)</span><span·class="w">·····</span><span·class="ss">infinity</span></code></pre><p>When·interpreting·the·data·for·a·process,·it·is·helpful·to·know·that·anonymous |
| 415 | function·objects·(funs)·are·given·the·following:</p><ul><li>A·name·constructed·from·the·name·of·the·function·in·which·they·are·created</li><li>A·number·(starting·with·0)·indicating·the·number·of·that·fun·within·that | 415 | function·objects·(funs)·are·given·the·following:</p><ul><li>A·name·constructed·from·the·name·of·the·function·in·which·they·are·created</li><li>A·number·(starting·with·0)·indicating·the·number·of·that·fun·within·that |
| 416 | function</li></ul><h2·id="atoms"·class="section-heading"> | 416 | function</li></ul><h2·id="atoms"·class="section-heading"> |
| 417 | ··<a·href="#atoms"·class="hover-link"> | 417 | ··<a·href="#atoms"·class="hover-link"> |
| 418 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 418 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 419 | ··</a> | 419 | ··</a> |
| 420 | ··<span·class="text">Atoms</span> | 420 | ··<span·class="text">Atoms</span> |
| 421 | </h2> | 421 | </h2> |
| Offset 473, 15 lines modified | Offset 473, 15 lines modified | ||
| 473 | ······<p·class="built-using"> | 473 | ······<p·class="built-using"> |
| 474 | ········Built·using | 474 | ········Built·using |
| 475 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 475 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 476 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 476 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 477 | ······</p> | 477 | ······</p> |
| 478 | <p>Copyright·©·1996-202 | 478 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 479 | ····</footer> | 479 | ····</footer> |
| 480 | ··</div> | 480 | ··</div> |
| 481 | </main> | 481 | </main> |
| 482 | </div> | 482 | </div> |
| 483 | <script> | 483 | <script> |
| 484 | ··function·mermaidLoaded()·{ | 484 | ··function·mermaidLoaded()·{ |
| 485 | ····mermaid.initialize({ | 485 | ····mermaid.initialize({ |
| Offset 338, 15 lines modified | Offset 338, 15 lines modified | ||
| 338 | ······<p·class="built-using"> | 338 | ······<p·class="built-using"> |
| 339 | ········Built·using | 339 | ········Built·using |
| 340 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 340 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 341 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 341 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 342 | ······</p> | 342 | ······</p> |
| 343 | <p>Copyright·©·1996-202 | 343 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 344 | ····</footer> | 344 | ····</footer> |
| 345 | ··</div> | 345 | ··</div> |
| 346 | </main> | 346 | </main> |
| 347 | </div> | 347 | </div> |
| 348 | <script> | 348 | <script> |
| 349 | ··function·mermaidLoaded()·{ | 349 | ··function·mermaidLoaded()·{ |
| 350 | ····mermaid.initialize({ | 350 | ····mermaid.initialize({ |
| Offset 364, 41 lines modified | Offset 364, 41 lines modified | ||
| 364 | <p>Before·a·driver·can·be·called·from·Erlang,·it·must·be·loaded·and·opened.·Loading | 364 | <p>Before·a·driver·can·be·called·from·Erlang,·it·must·be·loaded·and·opened.·Loading |
| 365 | is·done·using·the·<a·href="../../../lib/kernel-10.2.3/doc/html/erl_ddll.html"><code·class="inline">erl_ddll</code></a>·module·(the·<a·href="../../../lib/kernel-10.2.3/doc/html/erl_ddll.html"><code·class="inline">erl_ddll</code></a>·driver·that·loads·dynamic | 365 | is·done·using·the·<a·href="../../../lib/kernel-10.2.3/doc/html/erl_ddll.html"><code·class="inline">erl_ddll</code></a>·module·(the·<a·href="../../../lib/kernel-10.2.3/doc/html/erl_ddll.html"><code·class="inline">erl_ddll</code></a>·driver·that·loads·dynamic |
| 366 | driver·is·actually·a·driver·itself).·If·loading·is·successful,·the·port·can·be | 366 | driver·is·actually·a·driver·itself).·If·loading·is·successful,·the·port·can·be |
| 367 | opened·with·<a·href="erlang.html#open_port/2"><code·class="inline">open_port/2</code></a>.·The·port·name·must·match·the·name·of | 367 | opened·with·<a·href="erlang.html#open_port/2"><code·class="inline">open_port/2</code></a>.·The·port·name·must·match·the·name·of |
| 368 | the·shared·library·and·the·name·in·the·driver·entry·structure.</p><p>When·the·port·has·been·opened,·the·driver·can·be·called.·In·the·<code·class="inline">pg_sync</code> | 368 | the·shared·library·and·the·name·in·the·driver·entry·structure.</p><p>When·the·port·has·been·opened,·the·driver·can·be·called.·In·the·<code·class="inline">pg_sync</code> |
| 369 | example,·we·do·not·have·any·data·from·the·port,·only·the·return·value·from·the | 369 | example,·we·do·not·have·any·data·from·the·port,·only·the·return·value·from·the |
| 370 | <a·href="erlang.html#port_control/3"><code·class="inline">port_control/3</code></a>.</p><p>The·following·code·is·the·Erlang·part·of·the·synchronous·postgres·driver, | 370 | <a·href="erlang.html#port_control/3"><code·class="inline">port_control/3</code></a>.</p><p>The·following·code·is·the·Erlang·part·of·the·synchronous·postgres·driver, |
| 371 | <code·class="inline">pg_sync.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 371 | <code·class="inline">pg_sync.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2872222191-1">(</span><span·class="ss">pg_sync</span><span·class="p"·data-group-id="2872222191-1">)</span><span·class="p">.</span><span·class="w"> |
| 372 | </span><span·class="w"> | 372 | </span><span·class="w"> |
| 373 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 373 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2872222191-2">(</span><span·class="n">DRV_CONNECT</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="2872222191-2">)</span><span·class="p">.</span><span·class="w"> |
| 374 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 374 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2872222191-3">(</span><span·class="n">DRV_DISCONNECT</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p"·data-group-id="2872222191-3">)</span><span·class="p">.</span><span·class="w"> |
| 375 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 375 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="2872222191-4">(</span><span·class="n">DRV_SELECT</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">3</span><span·class="p"·data-group-id="2872222191-4">)</span><span·class="p">.</span><span·class="w"> |
| 376 | </span><span·class="w"> | 376 | </span><span·class="w"> |
| 377 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 377 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2872222191-5">(</span><span·class="p"·data-group-id="2872222191-6">[</span><span·class="ss">connect</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">disconnect</span><span·class="p">/</[·...·truncated·by·diffoscope;·len:·251,·SHA:·b7c5e8d79177df2900471576c81fff744b51038641786afffb7e2e02f3f43c23·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 378 | </span><span·class="nf">connect</span><span·class="p"·data-group-id=" | 378 | </span><span·class="nf">connect</span><span·class="p"·data-group-id="2872222191-7">(</span><span·class="n">ConnectStr</span><span·class="p"·data-group-id="2872222191-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 379 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id=" | 379 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id="2872222191-8">(</span><span·class="s">"."</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"pg_sync"</span><span·class="p"·data-group-id="2872222191-8">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 380 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 380 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 381 | ········</span><span·class="p"·data-group-id=" | 381 | ········</span><span·class="p"·data-group-id="2872222191-9">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">already_loaded</span><span·class="p"·data-group-id="2872222191-9">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 382 | ········</span><span·class="n">E</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 382 | ········</span><span·class="n">E</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id="2872222191-10">(</span><span·class="p"·data-group-id="2872222191-11">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="p"·data-group-id="2872222191-11">}</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·17,·SHA:·273f7919c297f64a341a977888db21c8045d3fa3f713027de46798daddbd7af0·...·]-10">)</span><span·class="w"> |
| 383 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 383 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 384 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="1077942732-12">(</span><span·class="p"·data-group-id="1077942732-13">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p"·data-group-id="1077942732-13">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1077942732-14">[</span><span·class="p"·data-group-id="1077942732-14">]</span><span·class="p"·data-group-id="1077942732-12">)</span><span·class="p">,</span><span·class="w"> | ||
| 385 | ····</span><span·class=" | 384 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="2872222191-12">(</span><span·class="p"·data-group-id="2872222191-13">{</span><span·class="nb">spawn</span>[·...·truncated·by·diffoscope;·len:·382,·SHA:·4f767b2d99b2602ba3e88646d35c5ffe35da4287931ce60ed8c202b09b1ee49e·...·]</span><span·class="w"> |
| 385 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id="2872222191-15">(</span><span·class="nf">port_control</span><span·class="p"·data-group-id="2872222191-16">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">DRV_CONNECT</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ConnectStr</span><span·class="p"·data-group-id="2872222191-16">)</span><span·class="p"·data-group-id="2872222191-15">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | ||
| 386 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id=" | 386 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="2872222191-17">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="2872222191-17">}</span><span·class="p">;</span><span·class="w"> |
| 387 | ········</span><span·class="n">Error</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Error</span><span·class="w"> | 387 | ········</span><span·class="n">Error</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Error</span><span·class="w"> |
| 388 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 388 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 389 | </span><span·class="nf">disconnect</span><span·class="p"·data-group-id=" | 389 | </span><span·class="nf">disconnect</span><span·class="p"·data-group-id="2872222191-18">(</span><span·class="n">Port</span><span·class="p"·data-group-id="2872222191-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 390 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id=" | 390 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id="2872222191-19">(</span><span·class="nf">port_control</span><span·class="p"·data-group-id="2872222191-20">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">DRV_DISCONNECT</span><span·c[·...·truncated·by·diffoscope;·len:·171,·SHA:·1c676d527bc87a909b2bae8ae1604eb05d0ae1d5c68d6b565bc502399d39e904·...·]-19">)</span><span·class="p">,</span><span·class="w"> |
| 391 | ····</span><span·class="nf">port_close</span><span·class="p"·data-group-id=" | 391 | ····</span><span·class="nf">port_close</span><span·class="p"·data-group-id="2872222191-21">(</span><span·class="n">Port</span><span·class="p"·data-group-id="2872222191-21">)</span><span·class="p">,</span><span·class="w"> |
| 392 | ····</span><span·class="n">R</span><span·class="p">.</span><span·class="w"> | 392 | ····</span><span·class="n">R</span><span·class="p">.</span><span·class="w"> |
| 393 | </span><span·class="nf">select</span><span·class="p"·data-group-id=" | 393 | </span><span·class="nf">select</span><span·class="p"·data-group-id="2872222191-22">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Query</span><span·class="p"·data-group-id="2872222191-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 394 | ····</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id=" | 394 | ····</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id="2872222191-23">(</span><span·class="nf">port_control</span><span·class="p"·data-group-id="2872222191-24">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">DRV_SELECT</span><span·class[·...·truncated·by·diffoscope;·len:·160,·SHA:·7562ccce48a2bba7abc33d4ff8f8b01a76590fbd3c0a347b318fd60adf7ea4fd·...·]-23">)</span><span·class="p">.</span></code></pre><p>The·API·is·simple:</p><ul><li><code·class="inline">connect/1</code>·loads·the·driver,·opens·it,·and·logs·on·to·the·database,·returning |
| 395 | the·Erlang·port·if·successful.</li><li><code·class="inline">select/2</code>·sends·a·query·to·the·driver·and·returns·the·result.</li><li><code·class="inline">disconnect/1</code>·closes·the·database·connection·and·the·driver.·(However,·it | 395 | the·Erlang·port·if·successful.</li><li><code·class="inline">select/2</code>·sends·a·query·to·the·driver·and·returns·the·result.</li><li><code·class="inline">disconnect/1</code>·closes·the·database·connection·and·the·driver.·(However,·it |
| 396 | does·not·unload·it.)</li></ul><p>The·connection·string·is·to·be·a·connection·string·for·postgres.</p><p>The·driver·is·loaded·with·<a·href="../../../lib/kernel-10.2.3/doc/html/erl_ddll.html#load_driver/2"><code·class="inline">erl_ddll:load_driver/2</code></a>.·If·this·is·successful,·or·if | 396 | does·not·unload·it.)</li></ul><p>The·connection·string·is·to·be·a·connection·string·for·postgres.</p><p>The·driver·is·loaded·with·<a·href="../../../lib/kernel-10.2.3/doc/html/erl_ddll.html#load_driver/2"><code·class="inline">erl_ddll:load_driver/2</code></a>.·If·this·is·successful,·or·if |
| 397 | it·is·already·loaded,·it·is·opened.·This·will·call·the·<code·class="inline">start</code>·function·in·the | 397 | it·is·already·loaded,·it·is·opened.·This·will·call·the·<code·class="inline">start</code>·function·in·the |
| 398 | driver.</p><p>We·use·the·<a·href="erlang.html#port_control/3"><code·class="inline">port_control/3</code></a>·function·for·all·calls·into·the | 398 | driver.</p><p>We·use·the·<a·href="erlang.html#port_control/3"><code·class="inline">port_control/3</code></a>·function·for·all·calls·into·the |
| 399 | driver.·The·result·from·the·driver·is·returned·immediately·and·converted·to | 399 | driver.·The·result·from·the·driver·is·returned·immediately·and·converted·to |
| 400 | terms·by·calling·<a·href="erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a>.·(We·trust·that·the | 400 | terms·by·calling·<a·href="erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a>.·(We·trust·that·the |
| 401 | terms·returned·from·the·driver·are·well-formed,·otherwise·the·<a·href="erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a> | 401 | terms·returned·from·the·driver·are·well-formed,·otherwise·the·<a·href="erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a> |
| Offset 536, 51 lines modified | Offset 536, 51 lines modified | ||
| 536 | successful,·or·error·if·it·is·not.·If·the·connection·is·not·yet·established,·we | 536 | successful,·or·error·if·it·is·not.·If·the·connection·is·not·yet·established,·we |
| 537 | simply·return;·<code·class="inline">ready_io</code>·is·called·again.</p><p>If·we·have·a·result·from·a·connect,·indicated·by·having·data·in·the·<code·class="inline">x</code>·buffer, | 537 | simply·return;·<code·class="inline">ready_io</code>·is·called·again.</p><p>If·we·have·a·result·from·a·connect,·indicated·by·having·data·in·the·<code·class="inline">x</code>·buffer, |
| 538 | we·no·longer·need·to·select·on·output·(<a·href="../../../erts-15.2.3/doc/html/driver_entry.html#ready_output"·title=""><code·class="inline">ready_output</code></a>),·so·we·remove·this·by | 538 | we·no·longer·need·to·select·on·output·(<a·href="../../../erts-15.2.3/doc/html/driver_entry.html#ready_output"·title=""><code·class="inline">ready_output</code></a>),·so·we·remove·this·by |
| 539 | calling·<a·href="../../../erts-15.2.3/doc/html/erl_driver.html#driver_select"·title=""><code·class="inline">driver_select</code></a>.</p><p>If·we·are·not·connecting,·we·wait·for·results·from·a·<code·class="inline">PQsendQuery</code>,·so·we·get | 539 | calling·<a·href="../../../erts-15.2.3/doc/html/erl_driver.html#driver_select"·title=""><code·class="inline">driver_select</code></a>.</p><p>If·we·are·not·connecting,·we·wait·for·results·from·a·<code·class="inline">PQsendQuery</code>,·so·we·get |
| 540 | the·result·and·return·it.·The·encoding·is·done·with·the·same·functions·as·in·the | 540 | the·result·and·return·it.·The·encoding·is·done·with·the·same·functions·as·in·the |
| 541 | earlier·example.</p><p>Error·handling·is·to·be·added·here,·for·example,·checking·that·the·socket·is | 541 | earlier·example.</p><p>Error·handling·is·to·be·added·here,·for·example,·checking·that·the·socket·is |
| 542 | still·open,·but·this·is·only·a·simple·example.</p><p>The·Erlang·part·of·the·asynchronous·driver·consists·of·the·sample·file | 542 | still·open,·but·this·is·only·a·simple·example.</p><p>The·Erlang·part·of·the·asynchronous·driver·consists·of·the·sample·file |
| 543 | <code·class="inline">pg_async.erl</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 543 | <code·class="inline">pg_async.erl</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1525788680-1">(</span><span·class="ss">pg_async</span><span·class="p"·data-group-id="1525788680-1">)</span><span·class="p">.</span><span·class="w"> |
| 544 | </span><span·class="w"> | 544 | </span><span·class="w"> |
| 545 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 545 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1525788680-2">(</span><span·class="n">DRV_CONNECT</span><span·class="p">,</span><span·class="w">·</span><span·class="sc">$C</span><span·class="p"·data-group-id="1525788680-2">)</span><span·class="p">.</span><span·class="w"> |
| 546 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 546 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1525788680-3">(</span><span·class="n">DRV_DISCONNECT</span><span·class="p">,</span><span·class="w">·</span><span·class="sc">$D</span><span·class="p"·data-group-id="1525788680-3">)</span><span·class="p">.</span><span·class="w"> |
| 547 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 547 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1525788680-4">(</span><span·class="n">DRV_SELECT</span><span·class="p">,</span><span·class="w">·</span><span·class="sc">$S</span><span·class="p"·data-group-id="1525788680-4">)</span><span·class="p">.</span><span·class="w"> |
| 548 | </span><span·class="w"> | 548 | </span><span·class="w"> |
| 549 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 549 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1525788680-5">(</span><span·class="p"·data-group-id="1525788680-6">[</span><span·class="ss">connect</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">disconnect</span><span·class="p">/</[·...·truncated·by·diffoscope;·len:·251,·SHA:·a9ef8ea5674b564fd6f6a77dc860c9213a70765df09a3c56bded6e0a9c2ad4b8·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 550 | </span><span·class="nf">connect</span><span·class="p"·data-group-id=" | 550 | </span><span·class="nf">connect</span><span·class="p"·data-group-id="1525788680-7">(</span><span·class="n">ConnectStr</span><span·class="p"·data-group-id="1525788680-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 551 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id=" | 551 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id="1525788680-8">(</span><span·class="s">"."</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"pg_async"</span><span·class="p"·data-group-id="1525788680-8">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 552 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 552 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 553 | ········</span><span·class="p"·data-group-id=" | 553 | ········</span><span·class="p"·data-group-id="1525788680-9">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">already_loaded</span><span·class="p"·data-group-id="1525788680-9">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 554 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 554 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id="1525788680-10">(</span><span·class="p"·data-group-id="1525788680-11">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">could_not_load_driver</span><span·class="p"·data-group-id="1525788680-11">}</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·56febd2382e4e9255422ff82228ad44d0aff8a1f88858f16f0680611f5b02fe6·...·]-10">)</span><span·class="w"> |
| 555 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 555 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 556 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id=" | 556 | ····</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="1525788680-12">(</span><span·class="p"·data-group-id="1525788680-13">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p"·data-group-id="1525788680-13">}</[·...·truncated·by·diffoscope;·len:·232,·SHA:·3c1223f59d7ef5ca24e87ef6574f19810c8108b24c38b5a3d321d7ce19439253·...·]-12">)</span><span·class="p">,</span><span·class="w"> |
| 557 | ····</span><span·class="nf">port_control</span><span·class="p"·data-group-id=" | 557 | ····</span><span·class="nf">port_control</span><span·class="p"·data-group-id="1525788680-15">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">DRV_CONNECT</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ConnectStr</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·914c9a5bd7ca020c8baccea6059d7f77e8b3b5c6572b12021aabe793940f9127·...·]-15">)</span><span·class="p">,</span><span·class="w"> |
| 558 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">return_port_data</span><span·class="p"·data-group-id=" | 558 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">return_port_data</span><span·class="p"·data-group-id="1525788680-16">(</span><span·class="n">Port</span><span·class="p"·data-group-id="1525788680-16">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 559 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 559 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 560 | ············</span><span·class="p"·data-group-id=" | 560 | ············</span><span·class="p"·data-group-id="1525788680-17">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="1525788680-17">}</span><span·class="p">;</span><span·class="w"> |
| 561 | ········</span><span·class="n">Error</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 561 | ········</span><span·class="n">Error</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 562 | ············</span><span·class="n">Error</span><span·class="w"> | 562 | ············</span><span·class="n">Error</span><span·class="w"> |
| 563 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 563 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 564 | </span><span·class="nf">disconnect</span><span·class="p"·data-group-id=" | 564 | </span><span·class="nf">disconnect</span><span·class="p"·data-group-id="1525788680-18">(</span><span·class="n">Port</span><span·class="p"·data-group-id="1525788680-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 565 | ····</span><span·class="nf">port_control</span><span·class="p"·data-group-id=" | 565 | ····</span><span·class="nf">port_control</span><span·class="p"·data-group-id="1525788680-19">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">DRV_DISCONNECT</span><span·class="p">,</span><span·class="w">·</span><span·class="s">""</span><span·class="p[·...·truncated·by·diffoscope;·len:·27,·SHA:·fe7f6dc7aa01904cf3c80e4242b2102be375526a45b52d1034b8726237d2e436·...·]-19">)</span><span·class="p">,</span><span·class="w"> |
| 566 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">return_port_data</span><span·class="p"·data-group-id=" | 566 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">return_port_data</span><span·class="p"·data-group-id="1525788680-20">(</span><span·class="n">Port</span><span·class="p"·data-group-id="1525788680-20">)</span><span·class="p">,</span><span·class="w"> |
| 567 | ····</span><span·class="nf">port_close</span><span·class="p"·data-group-id=" | 567 | ····</span><span·class="nf">port_close</span><span·class="p"·data-group-id="1525788680-21">(</span><span·class="n">Port</span><span·class="p"·data-group-id="1525788680-21">)</span><span·class="p">,</span><span·class="w"> |
| 568 | ····</span><span·class="n">R</span><span·class="p">.</span><span·class="w"> | 568 | ····</span><span·class="n">R</span><span·class="p">.</span><span·class="w"> |
| 569 | </span><span·class="nf">select</span><span·class="p"·data-group-id=" | 569 | </span><span·class="nf">select</span><span·class="p"·data-group-id="1525788680-22">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Query</span><span·class="p"·data-group-id="1525788680-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 570 | ····</span><span·class="nf">port_control</span><span·class="p"·data-group-id=" | 570 | ····</span><span·class="nf">port_control</span><span·class="p"·data-group-id="1525788680-23">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">DRV_SELECT</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Query</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·b11e0782f09ebfc8c7fa64583ecd94effcb4c3c11735476edb2dd9f4d35d0c54·...·]-23">)</span><span·class="p">,</span><span·class="w"> |
| 571 | ····</span><span·class="nf">return_port_data</span><span·class="p"·data-group-id=" | 571 | ····</span><span·class="nf">return_port_data</span><span·class="p"·data-group-id="1525788680-24">(</span><span·class="n">Port</span><span·class="p"·data-group-id="1525788680-24">)</span><span·class="p">.</span><span·class="w"> |
| 572 | </span><span·class="nf">return_port_data</span><span·class="p"·data-group-id=" | 572 | </span><span·class="nf">return_port_data</span><span·class="p"·data-group-id="1525788680-25">(</span><span·class="n">Port</span><span·class="p"·data-group-id="1525788680-25">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 573 | ····</span><span·class="k">receive</span><span·class="w"> | 573 | ····</span><span·class="k">receive</span><span·class="w"> |
| 574 | ········</span><span·class="p"·data-group-id=" | 574 | ········</span><span·class="p"·data-group-id="1525788680-26">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1525788680-27">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><[·...·truncated·by·diffoscope;·len:·94,·SHA:·0dc7955e812dfcc5125363c67ea94aebffbbe9338449b5f193f35699e34dcbe2·...·]-26">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 575 | ············</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id=" | 575 | ············</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id="1525788680-28">(</span><span·class="n">Data</span><span·class="p"·data-group-id="1525788680-28">)</span><span·class="w"> |
| 576 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·Erlang·code·is·slightly·different,·as·we·do·not·return·the·result | 576 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·Erlang·code·is·slightly·different,·as·we·do·not·return·the·result |
| 577 | synchronously·from·<a·href="erlang.html#port_control/3"><code·class="inline">port_control/3</code></a>,·instead·we·get·it·from·<a·href="../../../erts-15.2.3/doc/html/erl_driver.html#driver_output"·title=""><code·class="inline">driver_output</code></a>·as | 577 | synchronously·from·<a·href="erlang.html#port_control/3"><code·class="inline">port_control/3</code></a>,·instead·we·get·it·from·<a·href="../../../erts-15.2.3/doc/html/erl_driver.html#driver_output"·title=""><code·class="inline">driver_output</code></a>·as |
| 578 | data·in·the·message·queue.·The·function·<code·class="inline">return_port_data</code>·above·receives·data | 578 | data·in·the·message·queue.·The·function·<code·class="inline">return_port_data</code>·above·receives·data |
| 579 | from·the·port.·As·the·data·is·in·binary·format,·we·use | 579 | from·the·port.·As·the·data·is·in·binary·format,·we·use |
| 580 | <a·href="erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a>·to·convert·it·to·an·Erlang·term.·Notice | 580 | <a·href="erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a>·to·convert·it·to·an·Erlang·term.·Notice |
| 581 | that·the·driver·is·opened·in·binary·mode·(<a·href="erlang.html#open_port/2"><code·class="inline">open_port/2</code></a>·is | 581 | that·the·driver·is·opened·in·binary·mode·(<a·href="erlang.html#open_port/2"><code·class="inline">open_port/2</code></a>·is |
| 582 | called·with·option·<code·class="inline">[binary]</code>).·This·means·that·data·sent·from·the·driver·to·the | 582 | called·with·option·<code·class="inline">[binary]</code>).·This·means·that·data·sent·from·the·driver·to·the |
| Offset 677, 59 lines modified | Offset 677, 59 lines modified | ||
| 677 | ····*rp++·=·ERL_DRV_LIST; | 677 | ····*rp++·=·ERL_DRV_LIST; |
| 678 | ····*rp++·=·n+1; | 678 | ····*rp++·=·n+1; |
| 679 | ····driver_output_term(port,·result,·result_n); | 679 | ····driver_output_term(port,·result,·result_n); |
| 680 | ····delete[]·result; | 680 | ····delete[]·result; |
| 681 | ····delete·d; | 681 | ····delete·d; |
| 682 | }</code></pre><p>This·driver·is·called·like·the·others·from·Erlang.·However,·as·we·use | 682 | }</code></pre><p>This·driver·is·called·like·the·others·from·Erlang.·However,·as·we·use |
| 683 | <a·href="../../../erts-15.2.3/doc/html/erl_driver.html#driver_output_term"·title=""><code·class="inline">driver_output_term</code></a>,·there·is·no·need·to·call·<a·href="erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a>.·The·Erlang·code | 683 | <a·href="../../../erts-15.2.3/doc/html/erl_driver.html#driver_output_term"·title=""><code·class="inline">driver_output_term</code></a>,·there·is·no·need·to·call·<a·href="erlang.html#binary_to_term/1"><code·class="inline">binary_to_term/1</code></a>.·The·Erlang·code |
| 684 | is·in·the·sample·file·<code·class="inline">next_perm.erl</code>.</p><p>The·input·is·changed·into·a·list·of·integers·and·sent·to·the·driver.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 684 | is·in·the·sample·file·<code·class="inline">next_perm.erl</code>.</p><p>The·input·is·changed·into·a·list·of·integers·and·sent·to·the·driver.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="8187069342-1">(</span><span·class="ss">next_perm</span><span·class="p"·data-group-id="8187069342-1">)</span><span·class="p">.</span><span·class="w"> |
| 685 | </span><span·class="w"> | 685 | </span><span·class="w"> |
| 686 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 686 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8187069342-2">(</span><span·class="p"·data-group-id="8187069342-3">[</span><span·class="ss">next_perm</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">prev_perm</span><span·class="p">/<[·...·truncated·by·diffoscope;·len:·379,·SHA:·39d2231ac7a3ec126328865ebe5d2d17e176701d88941526d89a6504093b3c99·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 687 | </span><span·class="nf">load</span><span·class="p"·data-group-id=" | 687 | </span><span·class="nf">load</span><span·class="p"·data-group-id="8187069342-4">(</span><span·class="p"·data-group-id="8187069342-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 688 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">whereis</span><span·class="p"·data-group-id=" | 688 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">whereis</span><span·class="p"·data-group-id="8187069342-5">(</span><span·class="ss">next_perm</span><span·class="p"·data-group-id="8187069342-5">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 689 | ········</span><span·class="ss">undefined</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 689 | ········</span><span·class="ss">undefined</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 690 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id=" | 690 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">erl_ddll</span><span·class="p">:</span><span·class="nf">load_driver</span><span·class="p"·data-group-id="8187069342-6">(</span><span·class="s">"."</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"next_perm"</span><span·class="p"·data-group-id="8187069342-6">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 691 | ················</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 691 | ················</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 692 | ················</span><span·class="p"·data-group-id=" | 692 | ················</span><span·class="p"·data-group-id="8187069342-7">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">already_loaded</span><span·class="p"·data-group-id="8187069342-7">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 693 | ················</span><span·class="n">E</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 693 | ················</span><span·class="n">E</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">exit</span><span·class="p"·data-group-id="8187069342-8">(</span><span·class="n">E</span><span·class="p"·data-group-id="8187069342-8">)</span><span·class="w"> |
| 694 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 694 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 695 | ············</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id=" | 695 | ············</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">open_port</span><span·class="p"·data-group-id="8187069342-9">(</span><span·class="p"·data-group-id="8187069342-10">{</span><span·class="nb">spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"next_perm"</span><span·class="p"·data-group-id="8187069342-10">}</span><span[·...·truncated·by·diffoscope;·len:·192,·SHA:·8826a9e837dc9333ba875268f7d91bb1777e7283ecdb3fedd056ffd3438bd621·...·]-9">)</span><span·class="p">,</span><span·class="w"> |
| 696 | ············</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 696 | ············</span><span·class="nf">register</span><span·class="p"·data-group-id="8187069342-12">(</span><span·class="ss">next_perm</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="8187069342-12">)</span><span·class="p">;</span><span·class="w"> |
| 697 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 697 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 698 | ············</span><span·class="ss">ok</span><span·class="w"> | 698 | ············</span><span·class="ss">ok</span><span·class="w"> |
| 699 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 699 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 700 | </span><span·class="nf">list_to_integer_binaries</span><span·class="p"·data-group-id=" | 700 | </span><span·class="nf">list_to_integer_binaries</span><span·class="p"·data-group-id="8187069342-13">(</span><span·class="n">L</span><span·class="p"·data-group-id="8187069342-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 701 | ····</span><span·class="p"·data-group-id=" | 701 | ····</span><span·class="p"·data-group-id="8187069342-14">[</span><span·class="p"·data-group-id="8187069342-15"><<</span><span·class="n">I</span><span·class="p">:</span><span·class="mi">32</span><span·class="o">/</span><span·class="ss">integer</span><span·class="o">-</span><span·class="ss">na[·...·truncated·by·diffoscope;·len:·310,·SHA:·0d8cf88d6c48429524b087c8a1a8fd6d6c3662eacd90dd11e34410902477a00f·...·]-14">]</span><span·class="p">.</span><span·class="w"> |
| 702 | </span><span·class="nf">next_perm</span><span·class="p"·data-group-id=" | 702 | </span><span·class="nf">next_perm</span><span·class="p"·data-group-id="8187069342-16">(</span><span·class="n">L</span><span·class="p"·data-group-id="8187069342-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 703 | ····</span><span·class="nf">next_perm</span><span·class="p"·data-group-id=" | 703 | ····</span><span·class="nf">next_perm</span><span·class="p"·data-group-id="8187069342-17">(</span><span·class="n">L</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="8187069342-17">)</span><span·class="p">.</span><span·class="w"> |
| 704 | </span><span·class="nf">prev_perm</span><span·class="p"·data-group-id=" | 704 | </span><span·class="nf">prev_perm</span><span·class="p"·data-group-id="8187069342-18">(</span><span·class="n">L</span><span·class="p"·data-group-id="8187069342-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
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| Offset 417, 15 lines modified | Offset 417, 15 lines modified | ||
| 417 | ······<p·class="built-using"> | 417 | ······<p·class="built-using"> |
| 418 | ········Built·using | 418 | ········Built·using |
| 419 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 419 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 420 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 420 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 421 | ······</p> | 421 | ······</p> |
| 422 | <p>Copyright·©·1996-202 | 422 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 423 | ····</footer> | 423 | ····</footer> |
| 424 | ··</div> | 424 | ··</div> |
| 425 | </main> | 425 | </main> |
| 426 | </div> | 426 | </div> |
| 427 | <script> | 427 | <script> |
| 428 | ··function·mermaidLoaded()·{ | 428 | ··function·mermaidLoaded()·{ |
| 429 | ····mermaid.initialize({ | 429 | ····mermaid.initialize({ |
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| 301 | ······<p·class="built-using"> | 301 | ······<p·class="built-using"> |
| 302 | ········Built·using | 302 | ········Built·using |
| 303 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 303 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 304 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 304 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 305 | ······</p> | 305 | ······</p> |
| 306 | <p>Copyright·©·1996-202 | 306 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 307 | ····</footer> | 307 | ····</footer> |
| 308 | ··</div> | 308 | ··</div> |
| 309 | </main> | 309 | </main> |
| 310 | </div> | 310 | </div> |
| 311 | <script> | 311 | <script> |
| 312 | ··function·mermaidLoaded()·{ | 312 | ··function·mermaidLoaded()·{ |
| 313 | ····mermaid.initialize({ | 313 | ····mermaid.initialize({ |
| Offset 149, 26 lines modified | Offset 149, 26 lines modified | ||
| 149 | runtime·system,·more·specifically·to·the·<code·class="inline">init</code>·system·process,·see·<a·href="init.html"><code·class="inline">init</code></a>.</p><p>The·<code·class="inline">init</code>·process·itself·interprets·some·of·these·flags,·the·<em>init·flags</em>.·It | 149 | runtime·system,·more·specifically·to·the·<code·class="inline">init</code>·system·process,·see·<a·href="init.html"><code·class="inline">init</code></a>.</p><p>The·<code·class="inline">init</code>·process·itself·interprets·some·of·these·flags,·the·<em>init·flags</em>.·It |
| 150 | also·stores·any·remaining·flags,·the·<em>user·flags</em>.·The·latter·can·be·retrieved | 150 | also·stores·any·remaining·flags,·the·<em>user·flags</em>.·The·latter·can·be·retrieved |
| 151 | by·calling·<a·href="init.html#get_argument/1"><code·class="inline">init:get_argument/1</code></a>.</p><p>A·small·number·of·"-"·flags·exist,·which·now·actually·are·emulator·flags,·see | 151 | by·calling·<a·href="init.html#get_argument/1"><code·class="inline">init:get_argument/1</code></a>.</p><p>A·small·number·of·"-"·flags·exist,·which·now·actually·are·emulator·flags,·see |
| 152 | the·description·below.</p></li><li><p>Plain·arguments·are·not·interpreted·in·any·way.·They·are·also·stored·by·the | 152 | the·description·below.</p></li><li><p>Plain·arguments·are·not·interpreted·in·any·way.·They·are·also·stored·by·the |
| 153 | <code·class="inline">init</code>·process·and·can·be·retrieved·by·calling·<a·href="init.html#get_plain_arguments/0"><code·class="inline">init:get_plain_arguments/0</code></a>. | 153 | <code·class="inline">init</code>·process·and·can·be·retrieved·by·calling·<a·href="init.html#get_plain_arguments/0"><code·class="inline">init:get_plain_arguments/0</code></a>. |
| 154 | Plain·arguments·can·occur·before·the·first·flag,·or·after·a·<code·class="inline">--</code>·flag.·Also, | 154 | Plain·arguments·can·occur·before·the·first·flag,·or·after·a·<code·class="inline">--</code>·flag.·Also, |
| 155 | the·<code·class="inline">-extra</code>·flag·causes·everything·that·follows·to·become·plain·arguments.</p></li></ul><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·+W·w·-sname·arnie·+R·9·-s·my_init·-extra·+bertie</span><span·class="gp·unselectable"> | 155 | the·<code·class="inline">-extra</code>·flag·causes·everything·that·follows·to·become·plain·arguments.</p></li></ul><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·+W·w·-sname·arnie·+R·9·-s·my_init·-extra·+bertie</span><span·class="gp·unselectable"> |
| 156 | (arnie@host)1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id=" | 156 | (arnie@host)1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id="8880543918-1">(</span><span·class="ss">sname</span><span·class="p"·data-group-id="8880543918-1">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="p"·data-group-id=" | 157 | </span><span·class="p"·data-group-id="8880543918-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="8880543918-3">[</span><span·class="p"·data-group-id="8880543918-4">[</span><span·class="s">"arnie"</span><span·class="p"·data-group-id="8880543[·...·truncated·by·diffoscope;·len:·109,·SHA:·9490286fe6959fbf0e46eefbc1962f920f16dafd8fc2f6a02d40c3de1dfe691f·...·]-2">}</span><span·class="gp·unselectable"> |
| 158 | (arnie@host)2>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_plain_arguments</span><span·class="p"·data-group-id=" | 158 | (arnie@host)2>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_plain_arguments</span><span·class="p"·data-group-id="8880543918-5">(</span><span·class="p"·data-group-id="8880543918-5">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="p"·data-group-id=" | 159 | </span><span·class="p"·data-group-id="8880543918-6">[</span><span·class="s">"+bertie"</span><span·class="p"·data-group-id="8880543918-6">]</span></code></pre><p>Here·<code·class="inline">+W·w</code>·and·<code·class="inline">+R·9</code>·are·emulator·flags.·<code·class="inline">-s·my_init</code>·is·an·init·flag, |
| 160 | interpreted·by·<code·class="inline">init</code>.·<code·class="inline">-sname·arnie</code>·is·a·user·flag,·stored·by·<code·class="inline">init</code>.·It·is | 160 | interpreted·by·<code·class="inline">init</code>.·<code·class="inline">-sname·arnie</code>·is·a·user·flag,·stored·by·<code·class="inline">init</code>.·It·is |
| 161 | read·by·Kernel·and·causes·the·Erlang·runtime·system·to·become·distributed. | 161 | read·by·Kernel·and·causes·the·Erlang·runtime·system·to·become·distributed. |
| 162 | Finally,·everything·after·<code·class="inline">-extra</code>·(that·is,·<code·class="inline">+bertie</code>)·is·considered·as·plain | 162 | Finally,·everything·after·<code·class="inline">-extra</code>·(that·is,·<code·class="inline">+bertie</code>)·is·considered·as·plain |
| 163 | arguments.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-myflag·1</span><span·class="gp·unselectable"> | 163 | arguments.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-myflag·1</span><span·class="gp·unselectable"> |
| 164 | 1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id=" | 164 | 1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id="1126279300-1">(</span><span·class="ss">myflag</span><span·class="p"·data-group-id="1126279300-1">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="p"·data-group-id=" | 165 | </span><span·class="p"·data-group-id="1126279300-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="1126279300-3">[</span><span·class="p"·data-group-id="1126279300-4">[</span><span·class="s">"1"</span><span·class="p"·data-group-id="1126279300-[·...·truncated·by·diffoscope;·len:·104,·SHA:·ec9ac7b1e63e947e652526c5735177a788e53af4d15fdfffec52588c4dde1b4b·...·]0-2">}</span><span·class="gp·unselectable"> |
| 166 | 2>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_plain_arguments</span><span·class="p"·data-group-id=" | 166 | 2>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_plain_arguments</span><span·class="p"·data-group-id="1126279300-5">(</span><span·class="p"·data-group-id="1126279300-5">)</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="p"·data-group-id=" | 167 | </span><span·class="p"·data-group-id="1126279300-6">[</span><span·class="p"·data-group-id="1126279300-6">]</span></code></pre><p>Here·the·user·flag·<code·class="inline">-myflag·1</code>·is·passed·to·and·stored·by·the·<code·class="inline">init</code>·process.·It |
| 168 | is·a·user-defined·flag,·presumably·used·by·some·user-defined·application.</p><h2·id="flags"·class="section-heading"> | 168 | is·a·user-defined·flag,·presumably·used·by·some·user-defined·application.</p><h2·id="flags"·class="section-heading"> |
| 169 | ··<a·href="#flags"·class="hover-link"> | 169 | ··<a·href="#flags"·class="hover-link"> |
| 170 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 170 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 171 | ··</a> | 171 | ··</a> |
| 172 | ··<span·class="text">Flags</span> | 172 | ··<span·class="text">Flags</span> |
| 173 | </h2> | 173 | </h2> |
| 174 | <p>In·the·following·list,·init·flags·are·marked·"(init·flag)".·Unless·otherwise | 174 | <p>In·the·following·list,·init·flags·are·marked·"(init·flag)".·Unless·otherwise |
| Offset 700, 15 lines modified | Offset 700, 15 lines modified | ||
| 700 | processes)·into·a·smaller·set·of·schedulers·when·schedulers·frequently·run | 700 | processes)·into·a·smaller·set·of·schedulers·when·schedulers·frequently·run |
| 701 | out·of·work.·When·disabled,·the·frequency·with·which·schedulers·run·out·of | 701 | out·of·work.·When·disabled,·the·frequency·with·which·schedulers·run·out·of |
| 702 | work·is·not·taken·into·account·by·the·load·balancing·logic.</p><p><code·class="inline">+scl·false</code>·is·similar·to·<a·href="#%2Bsub"><code·class="inline">+sub·true</code></a>,·but·<code·class="inline">+sub·true</code> | 702 | work·is·not·taken·into·account·by·the·load·balancing·logic.</p><p><code·class="inline">+scl·false</code>·is·similar·to·<a·href="#%2Bsub"><code·class="inline">+sub·true</code></a>,·but·<code·class="inline">+sub·true</code> |
| 703 | also·balances·scheduler·utilization·between·schedulers.</p></li><li><p><strong><code·class="inline"·id="+sct">+sct·CpuTopology</code></strong>·-·Sets·a·user-defined·CPU·topology. | 703 | also·balances·scheduler·utilization·between·schedulers.</p></li><li><p><strong><code·class="inline"·id="+sct">+sct·CpuTopology</code></strong>·-·Sets·a·user-defined·CPU·topology. |
| 704 | The·user-defined·CPU·topology·overrides | 704 | The·user-defined·CPU·topology·overrides |
| 705 | any·automatically·detected·CPU·topology.·The·CPU·topology·is·used·when | 705 | any·automatically·detected·CPU·topology.·The·CPU·topology·is·used·when |
| 706 | <a·href="#%2Bsbt">binding·schedulers·to·logical·processors</a>.·This·option·must·be·before | 706 | <a·href="#%2Bsbt">binding·schedulers·to·logical·processors</a>.·This·option·must·be·before |
| 707 | <a·href="#%2Bsbt"><code·class="inline">+sbt</code></a>·on·the·command-line.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="n">Id</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 707 | <a·href="#%2Bsbt"><code·class="inline">+sbt</code></a>·on·the·command-line.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="n">Id</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="4439970219-1">(</span><span·class="p"·data-group-id="4439970219-1">)</span><span·class="p">;</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="o">=<</span><span·class="w">·</span><span·class="o"><</span><span·class="n">Id</span><span·class="o">></span><span·class="w">·</span><span·class="o">=<</span><span·class="w">·</span><span·class="mi">65535</span><span·class="w"> |
| 708 | </span><span·class="o"><</span><span·class="n">IdRange</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o"><</span><span·class="n">Id</span><span·class="o">></span><span·class="o">-</span><span·class="o"><</span><span·class="n">Id</span><span·class="o">></span><span·class="w"> | 708 | </span><span·class="o"><</span><span·class="n">IdRange</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o"><</span><span·class="n">Id</span><span·class="o">></span><span·class="o">-</span><span·class="o"><</span><span·class="n">Id</span><span·class="o">></span><span·class="w"> |
| 709 | </span><span·class="o"><</span><span·class="n">IdOrIdRange</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o"><</span><span·class="n">Id</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="o"><</span><span·class="n">IdRange</span><span·class="o">></span><span·class="w"> | 709 | </span><span·class="o"><</span><span·class="n">IdOrIdRange</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o"><</span><span·class="n">Id</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="o"><</span><span·class="n">IdRange</span><span·class="o">></span><span·class="w"> |
| 710 | </span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o"><</span><span·class="n">IdOrIdRange</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</span><span·class="n">IdOrIdRange</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="o"><</span><span·class="n">IdOrIdRange</span><span·class="o">></span><span·class="w"> | 710 | </span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o"><</span><span·class="n">IdOrIdRange</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</span><span·class="n">IdOrIdRange</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="o"><</span><span·class="n">IdOrIdRange</span><span·class="o">></span><span·class="w"> |
| 711 | </span><span·class="o"><</span><span·class="n">LogicalIds</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w"> | 711 | </span><span·class="o"><</span><span·class="n">LogicalIds</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w"> |
| 712 | </span><span·class="o"><</span><span·class="n">ThreadIds</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">T</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">t</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w"> | 712 | </span><span·class="o"><</span><span·class="n">ThreadIds</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">T</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">t</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w"> |
| 713 | </span><span·class="o"><</span><span·class="n">CoreIds</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">C</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">c</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w"> | 713 | </span><span·class="o"><</span><span·class="n">CoreIds</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">C</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">c</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w"> |
| 714 | </span><span·class="o"><</span><span·class="n">ProcessorIds</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">p</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w"> | 714 | </span><span·class="o"><</span><span·class="n">ProcessorIds</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">p</span><span·class="o"><</span><span·class="n">IdList</span><span·class="o">></span><span·class="w"> |
| Offset 733, 30 lines modified | Offset 733, 30 lines modified | ||
| 733 | node.</li><li><code·class="inline"><LogicalIds><ThreadIds><CoreIds><NodeIds><ProcessorIds></code>,·that·is,·thread | 733 | node.</li><li><code·class="inline"><LogicalIds><ThreadIds><CoreIds><NodeIds><ProcessorIds></code>,·that·is,·thread |
| 734 | is·part·of·a·core·that·is·part·of·a·NUMA·node,·which·is·part·of·a | 734 | is·part·of·a·core·that·is·part·of·a·NUMA·node,·which·is·part·of·a |
| 735 | processor.</li></ul><p>A·CPU·topology·can·consist·of·both·processor·external,·and·processor | 735 | processor.</li></ul><p>A·CPU·topology·can·consist·of·both·processor·external,·and·processor |
| 736 | internal·NUMA·nodes·as·long·as·each·logical·processor·belongs·to·only·one | 736 | internal·NUMA·nodes·as·long·as·each·logical·processor·belongs·to·only·one |
| 737 | NUMA·node.·If·<code·class="inline"><ProcessorIds></code>·is·omitted,·its·default·position·is·before | 737 | NUMA·node.·If·<code·class="inline"><ProcessorIds></code>·is·omitted,·its·default·position·is·before |
| 738 | <code·class="inline"><NodeIds></code>.·That·is,·the·default·is·processor·external·NUMA·nodes.</p><p>If·a·list·of·identifiers·is·used·in·an·<code·class="inline"><IdDefs></code>:</p><ul><li><code·class="inline"><LogicalIds></code>·must·be·a·list·of·identifiers.</li><li>At·least·one·other·identifier·type·besides·<code·class="inline"><LogicalIds></code>·must·also·have·a | 738 | <code·class="inline"><NodeIds></code>.·That·is,·the·default·is·processor·external·NUMA·nodes.</p><p>If·a·list·of·identifiers·is·used·in·an·<code·class="inline"><IdDefs></code>:</p><ul><li><code·class="inline"><LogicalIds></code>·must·be·a·list·of·identifiers.</li><li>At·least·one·other·identifier·type·besides·<code·class="inline"><LogicalIds></code>·must·also·have·a |
| 739 | list·of·identifiers.</li><li>All·lists·of·identifiers·must·produce·the·same·number·of·identifiers.</li></ul><p>A·simple·example.·A·single·quad·core·processor·can·be·described·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·+sct·L0-3c0-3</span><span·class="gp·unselectable"> | 739 | list·of·identifiers.</li><li>All·lists·of·identifiers·must·produce·the·same·number·of·identifiers.</li></ul><p>A·simple·example.·A·single·quad·core·processor·can·be·described·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·+sct·L0-3c0-3</span><span·class="gp·unselectable"> |
| 740 | 1>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id=" | 740 | 1>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="4075670210-1">(</span><span·class="ss">cpu_topology</span><span·class="p"·data-group-id="4075670210-1">)</span><span·class="p">.</span><span·class="w"> |
| 741 | </span><span·class="p"·data-group-id=" | 741 | </span><span·class="p"·data-group-id="4075670210-2">[</span><span·class="p"·data-group-id="4075670210-3">{</span><span·class="ss">processor</span><span·class="p">,</span><span·class="p"·data-group-id="4075670210-4">[</span><span·class="p"·data-group-id="4075670210-5">{</span><span·class="ss">c[·...·truncated·by·diffoscope;·len:·261,·SHA:·d23dfc5436546b9490b6af6c71a862c3cbf4aa21996f47ea398d3e8355c327c4·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 742 | ·············</span><span·class="p"·data-group-id=" | 742 | ·············</span><span·class="p"·data-group-id="4075670210-7">{</span><span·class="ss">core</span><span·class="p">,</span><span·class="p"·data-group-id="4075670210-8">{</span><span·class="ss">logical</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="4075670210-8">}</s[·...·truncated·by·diffoscope;·len:·45,·SHA:·fe818075fbaea305d2aba5dbda7cba6f751474967b5f14e371ba8b861d18ce72·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 743 | ·············</span><span·class="p"·data-group-id=" | 743 | ·············</span><span·class="p"·data-group-id="4075670210-9">{</span><span·class="ss">core</span><span·class="p">,</span><span·class="p"·data-group-id="4075670210-10">{</span><span·class="ss">logical</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="4075670210-10">}<[·...·truncated·by·diffoscope;·len:·47,·SHA:·61c5df195466fb51a69e6954da8e7bb731566eccf655cdd71711dd7f92a448a6·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 744 | ·············</span><span·class="p"·data-group-id=" | 744 | ·············</span><span·class="p"·data-group-id="4075670210-11">{</span><span·class="ss">core</span><span·class="p">,</span><span·class="p"·data-group-id="4075670210-12">{</span><span·class="ss">logical</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="4075670210-12">}[·...·truncated·by·diffoscope;·len:·208,·SHA:·5ca4693d27c9676a335cdb85945e713265c7d2f84eacac790969e328f536c80d·...·]-2">]</span></code></pre><p>A·more·complicated·example·with·two·quad·core·processors,·each·processor·in |
| 745 | its·own·NUMA·node.·The·ordering·of·logical·processors·is·a·bit·weird.·This | 745 | its·own·NUMA·node.·The·ordering·of·logical·processors·is·a·bit·weird.·This |
| 746 | to·give·a·better·example·of·identifier·lists:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·+sct·L0-1,3-2c0-3p0N0:L7,4,6-5c0-3p1N1</span><span·class="gp·unselectable"> | 746 | to·give·a·better·example·of·identifier·lists:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·+sct·L0-1,3-2c0-3p0N0:L7,4,6-5c0-3p1N1</span><span·class="gp·unselectable"> |
| 747 | 1>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id=" | 747 | 1>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="8324402746-1">(</span><span·class="ss">cpu_topology</span><span·class="p"·data-group-id="8324402746-1">)</span><span·class="p">.</span><span·class="w"> |
| 748 | </span><span·class="p"·data-group-id=" | 748 | </span><span·class="p"·data-group-id="8324402746-2">[</span><span·class="p"·data-group-id="8324402746-3">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="p"·data-group-id="8324402746-4">[</span><span·class="p"·data-group-id="8324402746-5">{</span><span·class="ss">proces[·...·truncated·by·diffoscope;·len:·419,·SHA:·d8ad7c3d28e286eed32642d76693e1e82dead9d932fe17cca9904e675c51e529·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 749 | ····················</span><span·class="p"·data-group-id=" | 749 | ····················</span><span·class="p"·data-group-id="8324402746-9">{</span><span·class="ss">core</span><span·class="p">,</span><span·class="p"·data-group-id="8324402746-10">{</span><span·class="ss">logical</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8324402746-10">}<[·...·truncated·by·diffoscope;·len:·47,·SHA:·c4d4124bc19e720583c40c8390d8cba9113c931501b2a67f43e50dd396cb754c·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 750 | ····················</span><span·class="p"·data-group-id=" | 750 | ····················</span><span·class="p"·data-group-id="8324402746-11">{</span><span·class="ss">core</span><span·class="p">,</span><span·class="p"·data-group-id="8324402746-12">{</span><span·class="ss">logical</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="8324402746-12">}[·...·truncated·by·diffoscope;·len:·48,·SHA:·dfd40ab8d6a7e9c79defe05c691bc74dc0521ddca5d9e3641227a35414f85e98·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 751 | ····················</span><span·class="p"·data-group-id=" | 751 | ····················</span><span·class="p"·data-group-id="8324402746-13">{</span><span·class="ss">core</span><span·class="p">,</span><span·class="p"·data-group-id="8324402746-14">{</span><span·class="ss">logical</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8324402746-14">}[·...·truncated·by·diffoscope;·len:·261,·SHA:·d90c5998fbe9e0fca0df48e240d302153963e0be7ebb297a34194243264c2e46·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 752 | ·</span><span·class="p"·data-group-id=" | 752 | ·</span><span·class="p"·data-group-id="8324402746-15">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="p"·data-group-id="8324402746-16">[</span><span·class="p"·data-group-id="8324402746-17">{</span><span·class="ss">processor</span><span·class="p">,</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·373,·SHA:·f80d4b34db1c38aeb5d8a5573e545aca1d8ae6240e5c46befb0bf9a120c6e500·...·]-19">}</span><span·class="p">,</span><span·class="w"> |
| 753 | ····················</span><span·class="p"·data-group-id=" | 753 | ····················</span><span·class="p"·data-group-id="8324402746-21">{</span><span·class="ss">core</span><span·class="p">,</span><span·class="p"·data-group-id="8324402746-22">{</span><span·class="ss">logical</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="8324402746-22">}[·...·truncated·by·diffoscope;·len:·48,·SHA:·dfd40ab8d6a7e9c79defe05c691bc74dc0521ddca5d9e3641227a35414f85e98·...·]-21">}</span><span·class="p">,</span><span·class="w"> |
| 754 | ····················</span><span·class="p"·data-group-id=" | 754 | ····················</span><span·class="p"·data-group-id="8324402746-23">{</span><span·class="ss">core</span><span·class="p">,</span><span·class="p"·data-group-id="8324402746-24">{</span><span·class="ss">logical</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8324402746-24">}[·...·truncated·by·diffoscope;·len:·48,·SHA:·dfd40ab8d6a7e9c79defe05c691bc74dc0521ddca5d9e3641227a35414f85e98·...·]-23">}</span><span·class="p">,</span><span·class="w"> |
| 755 | ····················</span><span·class="p"·data-group-id=" | 755 | ····················</span><span·class="p"·data-group-id="8324402746-25">{</span><span·class="ss">core</span><span·class="p">,</span><span·class="p"·data-group-id="8324402746-26">{</span><span·class="ss">logical</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="8324402746-26">}[·...·truncated·by·diffoscope;·len:·318,·SHA:·ed9aafa912af37904e8595ceb3ba8a5057843b3d1ade906d2556d14a318006cb·...·]-2">]</span></code></pre><p>As·long·as·real·identifiers·are·correct,·it·is·OK·to·pass·a·CPU·topology |
| 756 | that·is·not·a·correct·description·of·the·CPU·topology.·When·used·with·care | 756 | that·is·not·a·correct·description·of·the·CPU·topology.·When·used·with·care |
| 757 | this·can·be·very·useful.·This·to·trick·the·emulator·to·bind·its·schedulers | 757 | this·can·be·very·useful.·This·to·trick·the·emulator·to·bind·its·schedulers |
| 758 | as·you·want.·For·example,·if·you·want·to·run·multiple·Erlang·runtime·systems | 758 | as·you·want.·For·example,·if·you·want·to·run·multiple·Erlang·runtime·systems |
| 759 | on·the·same·machine,·you·want·to·reduce·the·number·of·schedulers·used·and | 759 | on·the·same·machine,·you·want·to·reduce·the·number·of·schedulers·used·and |
| 760 | manipulate·the·CPU·topology·so·that·they·bind·to·different·logical·CPUs.·An | 760 | manipulate·the·CPU·topology·so·that·they·bind·to·different·logical·CPUs.·An |
| 761 | example,·with·two·Erlang·runtime·systems·on·a·quad·core·machine:</p><pre><code·class="text">%·erl·+sct·L0-3c0-3·+sbt·db·+S3:2·-detached·-noinput·-noshell·-sname·one | 761 | example,·with·two·Erlang·runtime·systems·on·a·quad·core·machine:</p><pre><code·class="text">%·erl·+sct·L0-3c0-3·+sbt·db·+S3:2·-detached·-noinput·-noshell·-sname·one |
| 762 | %·erl·+sct·L3-0c0-3·+sbt·db·+S3:2·-detached·-noinput·-noshell·-sname·two</code></pre><p>In·this·example,·each·runtime·system·have·two·schedulers·each·online,·and | 762 | %·erl·+sct·L3-0c0-3·+sbt·db·+S3:2·-detached·-noinput·-noshell·-sname·two</code></pre><p>In·this·example,·each·runtime·system·have·two·schedulers·each·online,·and |
| Offset 923, 18 lines modified | Offset 923, 18 lines modified | ||
| 923 | </h2> | 923 | </h2> |
| 924 | <p>The·standard·Erlang/OTP·system·can·be·reconfigured·to·change·the·default | 924 | <p>The·standard·Erlang/OTP·system·can·be·reconfigured·to·change·the·default |
| 925 | behavior·on·startup.</p><ul><li><p><strong>The·<code·class="inline">.erlang</code>·startup·file</strong>·-·When·Erlang/OTP·is·started,·the·system | 925 | behavior·on·startup.</p><ul><li><p><strong>The·<code·class="inline">.erlang</code>·startup·file</strong>·-·When·Erlang/OTP·is·started,·the·system |
| 926 | searches·for·a·file·named·<code·class="inline">.erlang</code>·in·the | 926 | searches·for·a·file·named·<code·class="inline">.erlang</code>·in·the |
| 927 | <a·href="init.html#home">user's·home·directory</a>·and·then | 927 | <a·href="init.html#home">user's·home·directory</a>·and·then |
| 928 | <a·href="../../../lib/stdlib-6.2.1/doc/html/filename.html#user_config"><code·class="inline">filename:basedir(user_config,·"erlang")</code></a>.</p><p>If·an·<code·class="inline">.erlang</code>·file·is·found,·it·is·assumed·to·contain·valid·Erlang | 928 | <a·href="../../../lib/stdlib-6.2.1/doc/html/filename.html#user_config"><code·class="inline">filename:basedir(user_config,·"erlang")</code></a>.</p><p>If·an·<code·class="inline">.erlang</code>·file·is·found,·it·is·assumed·to·contain·valid·Erlang |
| 929 | expressions.·These·expressions·are·evaluated·as·if·they·were·input·to·the | 929 | expressions.·These·expressions·are·evaluated·as·if·they·were·input·to·the |
| 930 | shell.</p><p>A·typical·<code·class="inline">.erlang</code>·file·contains·a·set·of·search·paths,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 930 | shell.</p><p>A·typical·<code·class="inline">.erlang</code>·file·contains·a·set·of·search·paths,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="7679614207-1">(</span><span·class="s">"executing·user·profile·in·$HOME/.erlang\n"</span><span·class="p">,</span><span·class="p"·data-group-id="7679614207-2">[</span><span·class="p"·data-group-id="7679614207-2">]</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·13,·SHA:·134f71ea176282177f212cb43d16e6cabbfb2776f0f590326837e0a7c6b9f4f7·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 931 | </span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">add_path</span><span·class="p"·data-group-id=" | 931 | </span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">add_path</span><span·class="p"·data-group-id="7679614207-3">(</span><span·class="s">"/home/calvin/test/ebin"</span><span·class="p"·data-group-id="7679614207-3">)</span><span·class="p">.</span><span·class="w"> |
| 932 | </span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">add_path</span><span·class="p"·data-group-id=" | 932 | </span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">add_path</span><span·class="p"·data-group-id="7679614207-4">(</span><span·class="s">"/home/hobbes/bigappl-1.2/ebin"</span><span·class="p"·data-group-id="7679614207-4">)</span><span·class="p">.</span><span·class="w"> |
| 933 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 933 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="7679614207-5">(</span><span·class="s">".erlang·rc·finished\n"</span><span·class="p">,</span><span·class="p"·data-group-id="7679614207-6">[</span><span·class="p"·data-group-id="7679614207-6">]</span><span·class="p"·data-group-id="7679614207-5">)</span><span·class="p">.</span></code></pre></li><li><p><strong>user_default</strong>·and·<strong>shell_default</strong>·-·Functions·in·the·shell·that·are·not |
| 934 | prefixed·by·a·module·name·are·assumed·to·be·functional·objects·(funs), | 934 | prefixed·by·a·module·name·are·assumed·to·be·functional·objects·(funs), |
| 935 | built-in·functions·(BIFs),·or·belong·to·the·module·<code·class="inline">user_default</code>·or | 935 | built-in·functions·(BIFs),·or·belong·to·the·module·<code·class="inline">user_default</code>·or |
| 936 | <code·class="inline">shell_default</code>.</p><p>To·include·private·shell·commands,·define·them·in·a·module·<code·class="inline">user_default</code>·and | 936 | <code·class="inline">shell_default</code>.</p><p>To·include·private·shell·commands,·define·them·in·a·module·<code·class="inline">user_default</code>·and |
| 937 | add·the·following·argument·as·the·first·line·in·the·<code·class="inline">.erlang</code>·file:</p><pre><code·class="text">code:load_abs("..../user_default").</code></pre></li><li><p><strong>erl</strong>·-·If·the·contents·of·<code·class="inline">.erlang</code>·are·changed·and·a·private·version·of | 937 | add·the·following·argument·as·the·first·line·in·the·<code·class="inline">.erlang</code>·file:</p><pre><code·class="text">code:load_abs("..../user_default").</code></pre></li><li><p><strong>erl</strong>·-·If·the·contents·of·<code·class="inline">.erlang</code>·are·changed·and·a·private·version·of |
| 938 | <code·class="inline">user_default</code>·is·defined,·the·Erlang/OTP·environment·can·be·customized.·More | 938 | <code·class="inline">user_default</code>·is·defined,·the·Erlang/OTP·environment·can·be·customized.·More |
| 939 | powerful·changes·can·be·made·by·supplying·command-line·arguments·in·the | 939 | powerful·changes·can·be·made·by·supplying·command-line·arguments·in·the |
| 940 | startup·script·<code·class="inline">erl</code>.·For·more·information,·see·<a·href="init.html"><code·class="inline">init</code></a>.</p></li></ul><h2·id="see-also"·class="section-heading"> | 940 | startup·script·<code·class="inline">erl</code>.·For·more·information,·see·<a·href="init.html"><code·class="inline">init</code></a>.</p></li></ul><h2·id="see-also"·class="section-heading"> |
| Offset 988, 15 lines modified | Offset 988, 15 lines modified | ||
| 988 | ······<p·class="built-using"> | 988 | ······<p·class="built-using"> |
| 989 | ········Built·using | 989 | ········Built·using |
| 990 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 990 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 991 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 991 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 992 | ······</p> | 992 | ······</p> |
| 993 | <p>Copyright·©·1996-202 | 993 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 994 | ····</footer> | 994 | ····</footer> |
| 995 | ··</div> | 995 | ··</div> |
| 996 | </main> | 996 | </main> |
| 997 | </div> | 997 | </div> |
| 998 | <script> | 998 | <script> |
| 999 | ··function·mermaidLoaded()·{ | 999 | ··function·mermaidLoaded()·{ |
| 1000 | ····mermaid.initialize({ | 1000 | ····mermaid.initialize({ |
| Offset 252, 32 lines modified | Offset 252, 32 lines modified | ||
| 252 | --- | 252 | --- |
| 253 | sequenceDiagram | 253 | sequenceDiagram |
| 254 | ····participant·client·as·Client·(or·Node) | 254 | ····participant·client·as·Client·(or·Node) |
| 255 | ····participant·EPMD | 255 | ····participant·EPMD |
| 256 | ···· | 256 | ···· |
| 257 | ····client·->>·EPMD:·NAMES_REQ | 257 | ····client·->>·EPMD:·NAMES_REQ |
| 258 | ····EPMD·-->>·client:·NAMES_RESP</code></pre><table><thead><tr><th·style="text-align:·left;">1</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">110</code></td></tr></tbody></table><p><em>Table:·NAMES_REQ·(110)</em></p><p>The·response·for·a·<code·class="inline">NAMES_REQ</code>·is·as·follows:</p><table><thead><tr><th·style="text-align:·left;">4</th><th·style="text-align:·left;"></th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">EPMDPortNo</code></td><td·style="text-align:·left;"><code·class="inline">NodeInfo*</code></td></tr></tbody></table><p><em>Table:·NAMES_RESP</em></p><p><code·class="inline">NodeInfo</code>·is·a·string·written·for·each·active·node.·When·all·<code·class="inline">NodeInfo</code>·has | 258 | ····EPMD·-->>·client:·NAMES_RESP</code></pre><table><thead><tr><th·style="text-align:·left;">1</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">110</code></td></tr></tbody></table><p><em>Table:·NAMES_REQ·(110)</em></p><p>The·response·for·a·<code·class="inline">NAMES_REQ</code>·is·as·follows:</p><table><thead><tr><th·style="text-align:·left;">4</th><th·style="text-align:·left;"></th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">EPMDPortNo</code></td><td·style="text-align:·left;"><code·class="inline">NodeInfo*</code></td></tr></tbody></table><p><em>Table:·NAMES_RESP</em></p><p><code·class="inline">NodeInfo</code>·is·a·string·written·for·each·active·node.·When·all·<code·class="inline">NodeInfo</code>·has |
| 259 | been·written·the·connection·is·closed·by·the·EPMD.</p><p><code·class="inline">NodeInfo</code>·is,·as·expressed·in·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 259 | been·written·the·connection·is·closed·by·the·EPMD.</p><p><code·class="inline">NodeInfo</code>·is,·as·expressed·in·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="0100150232-1">(</span><span·class="s">"name·~ts·at·port·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0100150232-2">[</span><span·[·...·truncated·by·diffoscope;·len:·194,·SHA:·fe9e550082d1b0d214eb01a49a95def60282da87f5c27b08d66b7820bafa1057·...·]-1">)</span><span·class="p">.</span></code></pre><h3·id="dump-all-data-from-epmd"·class="section-heading"> |
| 260 | ··<a·href="#dump-all-data-from-epmd"·class="hover-link"> | 260 | ··<a·href="#dump-all-data-from-epmd"·class="hover-link"> |
| 261 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 261 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 262 | ··</a> | 262 | ··</a> |
| 263 | ··<span·class="text">Dump·All·Data·from·EPMD</span> | 263 | ··<span·class="text">Dump·All·Data·from·EPMD</span> |
| 264 | </h3> | 264 | </h3> |
| 265 | <p>This·request·is·not·really·used,·it·is·to·be·regarded·as·a·debug·feature.</p><pre><code·class="mermaid">--- | 265 | <p>This·request·is·not·really·used,·it·is·to·be·regarded·as·a·debug·feature.</p><pre><code·class="mermaid">--- |
| 266 | title:·Dump·All·Data·from·EPMD | 266 | title:·Dump·All·Data·from·EPMD |
| 267 | --- | 267 | --- |
| 268 | sequenceDiagram | 268 | sequenceDiagram |
| 269 | ····participant·client·as·Client·(or·Node) | 269 | ····participant·client·as·Client·(or·Node) |
| 270 | ····participant·EPMD | 270 | ····participant·EPMD |
| 271 | ···· | 271 | ···· |
| 272 | ····client·->>·EPMD:·DUMP_REQ | 272 | ····client·->>·EPMD:·DUMP_REQ |
| 273 | ····EPMD·-->>·client:·DUMP_RESP</code></pre><table><thead><tr><th·style="text-align:·left;">1</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">100</code></td></tr></tbody></table><p><em>Table:·DUMP_REQ</em></p><p>The·response·for·a·<code·class="inline">DUMP_REQ</code>·is·as·follows:</p><table><thead><tr><th·style="text-align:·left;">4</th><th·style="text-align:·left;"></th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">EPMDPortNo</code></td><td·style="text-align:·left;"><code·class="inline">NodeInfo*</code></td></tr></tbody></table><p><em>Table:·DUMP_RESP</em></p><p><code·class="inline">NodeInfo</code>·is·a·string·written·for·each·node·kept·in·the·EPMD.·When·all | 273 | ····EPMD·-->>·client:·DUMP_RESP</code></pre><table><thead><tr><th·style="text-align:·left;">1</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">100</code></td></tr></tbody></table><p><em>Table:·DUMP_REQ</em></p><p>The·response·for·a·<code·class="inline">DUMP_REQ</code>·is·as·follows:</p><table><thead><tr><th·style="text-align:·left;">4</th><th·style="text-align:·left;"></th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">EPMDPortNo</code></td><td·style="text-align:·left;"><code·class="inline">NodeInfo*</code></td></tr></tbody></table><p><em>Table:·DUMP_RESP</em></p><p><code·class="inline">NodeInfo</code>·is·a·string·written·for·each·node·kept·in·the·EPMD.·When·all |
| 274 | <code·class="inline">NodeInfo</code>·has·been·written·the·connection·is·closed·by·the·EPMD.</p><p><code·class="inline">NodeInfo</code>·is,·as·expressed·in·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 274 | <code·class="inline">NodeInfo</code>·has·been·written·the·connection·is·closed·by·the·EPMD.</p><p><code·class="inline">NodeInfo</code>·is,·as·expressed·in·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="2743766754-1">(</span><span·class="s">"active·name·····~ts·at·port·</span><span·class="si">~p</span><span·class="s">,·fd·=·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w"> |
| 275 | ··········</span><span·class="p"·data-group-id=" | 275 | ··········</span><span·class="p"·data-group-id="2743766754-2">[</span><span·class="n">NodeName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="2743766754-2">]</span><s[·...·truncated·by·diffoscope;·len:·266,·SHA:·584fe249efc2f9d68ddfcb276a495058e10bb2ffc5e4a75064a140b6ef2e7434·...·]-1">(</span><span·class="s">"old/unused·name·~ts·at·port·</span><span·class="si">~p</span><span·class="s">,·fd·=·</span><span·class="si">~p</span><span·class="s">·</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w"> |
| 276 | ··········</span><span·class="p"·data-group-id=" | 276 | ··········</span><span·class="p"·data-group-id="4378466581-2">[</span><span·class="n">NodeName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="4378466581-2">]</span><s[·...·truncated·by·diffoscope;·len:·39,·SHA:·0db2b05b318fbc821c52d63fc4142b8a1fe38cfc0da434f0b47af725f9b9dd80·...·]-1">)</span><span·class="p">.</span></code></pre><h3·id="kill-epmd"·class="section-heading"> |
| 277 | ··<a·href="#kill-epmd"·class="hover-link"> | 277 | ··<a·href="#kill-epmd"·class="hover-link"> |
| 278 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 278 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 279 | ··</a> | 279 | ··</a> |
| 280 | ··<span·class="text">Kill·EPMD</span> | 280 | ··<span·class="text">Kill·EPMD</span> |
| 281 | </h3> | 281 | </h3> |
| 282 | <p>This·request·kills·the·running·EPMD.·It·is·almost·never·used.</p><pre><code·class="mermaid">--- | 282 | <p>This·request·kills·the·running·EPMD.·It·is·almost·never·used.</p><pre><code·class="mermaid">--- |
| 283 | title:·Kill·EPMD | 283 | title:·Kill·EPMD |
| Offset 407, 54 lines modified | Offset 407, 54 lines modified | ||
| 407 | received·from·<code·class="inline">A</code>·is·correct·and·generates·a·digest·from·the·challenge | 407 | received·from·<code·class="inline">A</code>·is·correct·and·generates·a·digest·from·the·challenge |
| 408 | received·from·<code·class="inline">A</code>.·The·digest·is·then·sent·to·<code·class="inline">A</code>.·The·message·is·as·follows:</p><table><thead><tr><th·style="text-align:·left;">1</th><th·style="text-align:·left;">16</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">'a'</code></td><td·style="text-align:·left;"><code·class="inline">Digest</code></td></tr></tbody></table><p><em>Table:·The·challenge_ack·message</em></p><p><code·class="inline">Digest</code>·is·the·digest·calculated·by·<code·class="inline">B</code>·for·<code·class="inline">A</code>'s·challenge.</p></li><li><p><strong>7)·check</strong>·-·<code·class="inline">A</code>·checks·the·digest·from·<code·class="inline">B</code>·and·the·connection·is·up.</p></li></ul><h3·id="semigraphic-view"·class="section-heading"> | 408 | received·from·<code·class="inline">A</code>.·The·digest·is·then·sent·to·<code·class="inline">A</code>.·The·message·is·as·follows:</p><table><thead><tr><th·style="text-align:·left;">1</th><th·style="text-align:·left;">16</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">'a'</code></td><td·style="text-align:·left;"><code·class="inline">Digest</code></td></tr></tbody></table><p><em>Table:·The·challenge_ack·message</em></p><p><code·class="inline">Digest</code>·is·the·digest·calculated·by·<code·class="inline">B</code>·for·<code·class="inline">A</code>'s·challenge.</p></li><li><p><strong>7)·check</strong>·-·<code·class="inline">A</code>·checks·the·digest·from·<code·class="inline">B</code>·and·the·connection·is·up.</p></li></ul><h3·id="semigraphic-view"·class="section-heading"> |
| 409 | ··<a·href="#semigraphic-view"·class="hover-link"> | 409 | ··<a·href="#semigraphic-view"·class="hover-link"> |
| 410 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 410 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 411 | ··</a> | 411 | ··</a> |
| 412 | ··<span·class="text">Semigraphic·View</span> | 412 | ··<span·class="text">Semigraphic·View</span> |
| 413 | </h3> | 413 | </h3> |
| 414 | <pre><code·class="makeup·erlang"·translate="no"><span·class="n">A</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 414 | <pre><code·class="makeup·erlang"·translate="no"><span·class="n">A</span><span·class="w">·</span><span·class="p"·data-group-id="3623020492-1">(</span><span·class="ss">initiator</span><span·class="p"·data-group-id="3623020492-1">)</span><span·class="w">······································</span><span·class="n">B</span><span·class="w">·</span><span·class="p"·data-group-id="36230204[·...·truncated·by·diffoscope;·len:·85,·SHA:·f8e0970d6752aae227a5a4fa8fa8bf5bd50fbd5907cd0a2d5946396039c7a718·...·]92-2">)</span><span·class="w"> |
| 415 | </span><span·class="n">TCP</span><span·class="w">·</span><span·class="ss">connect</span><span·class="w">·</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">></span><span·class="w"> | 415 | </span><span·class="n">TCP</span><span·class="w">·</span><span·class="ss">connect</span><span·class="w">·</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">></span><span·class="w"> |
| 416 | ···················································</span><span·class="n">TCP</span><span·class="w">·</span><span·class="ss">accept</span><span·class="w"> | 416 | ···················································</span><span·class="n">TCP</span><span·class="w">·</span><span·class="ss">accept</span><span·class="w"> |
| 417 | </span><span·class="ss">send_name</span><span·class="w">·</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">></span><span·class="w"> | 417 | </span><span·class="ss">send_name</span><span·class="w">·</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">></span><span·class="w"> |
| 418 | ···················································</span><span·class="ss">recv_name</span><span·class="w"> | 418 | ···················································</span><span·class="ss">recv_name</span><span·class="w"> |
| 419 | ··</span><span·class="o"><-</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w">·</span><span·class="ss">send_status</span><span·class="w"> | 419 | ··</span><span·class="o"><-</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w">·</span><span·class="ss">send_status</span><span·class="w"> |
| 420 | </span><span·class="nf">recv_status</span><span·class="w"> | 420 | </span><span·class="nf">recv_status</span><span·class="w"> |
| 421 | </span><span·class="p"·data-group-id="6 | 421 | </span><span·class="p"·data-group-id="3623020492-3">(</span><span·class="k">if</span><span·class="w">·</span><span·class="ss">status</span><span·class="w">·</span><span·class="ss">was</span><span·class="w">·</span><span·class="ss">'alive'</span><span·class="w"> |
| 422 | ·</span><span·class="ss">send_status</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 422 | ·</span><span·class="ss">send_status</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 423 | ···················································</span><span·class="ss">recv_status</span><span·class="p"·data-group-id="6 | 423 | ···················································</span><span·class="ss">recv_status</span><span·class="p"·data-group-id="3623020492-3">)</span><span·class="w"> |
| 424 | ··························</span><span·class="p"·data-group-id="6 | 424 | ··························</span><span·class="p"·data-group-id="3623020492-4">(</span><span·class="n">ChB</span><span·class="p"·data-group-id="3623020492-4">)</span><span·class="w">······················</span><span·class="n">ChB</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class=[·...·truncated·by·diffoscope;·len:·117,·SHA:·385e26269920952a6e9b2f10a096ea856c471d82c8b8ff81fe3ace38cb126d8d·...·]92-5">)</span><span·class="w"> |
| 425 | ··</span><span·class="o"><-</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w">·</span><span·class="ss">send_challenge</span><span·class="w"> | 425 | ··</span><span·class="o"><-</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w">·</span><span·class="ss">send_challenge</span><span·class="w"> |
| 426 | </span><span·class="nf">recv_challenge</span><span·class="w"> | 426 | </span><span·class="nf">recv_challenge</span><span·class="w"> |
| 427 | </span><span·class="p"·data-group-id="6 | 427 | </span><span·class="p"·data-group-id="3623020492-6">(</span><span·class="k">if</span><span·class="w">·</span><span·class="ss">old</span><span·class="w">·</span><span·class="ss">send_name</span><span·class="w"> |
| 428 | ·</span><span·class="ss">send_complement</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 428 | ·</span><span·class="ss">send_complement</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 429 | ···················································</span><span·class="ss">recv_complement</span><span·class="p"·data-group-id="6 | 429 | ···················································</span><span·class="ss">recv_complement</span><span·class="p"·data-group-id="3623020492-6">)</span><span·class="w"> |
| 430 | </span><span·class="n">ChA</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">gen_challenge</span><span·class="p"·data-group-id="6 | 430 | </span><span·class="n">ChA</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">gen_challenge</span><span·class="p"·data-group-id="3623020492-7">(</span><span·class="p"·data-group-id="3623020492-7">)</span><span·class="p">,</span><span·class="w"> |
| 431 | </span><span·class="n">OCA</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">out_cookie</span><span·class="p"·data-group-id="6 | 431 | </span><span·class="n">OCA</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">out_cookie</span><span·class="p"·data-group-id="3623020492-8">(</span><span·class="n">B</span><span·class="p"·data-group-id="3623020492-8">)</span><span·class="p">,</span><span·class="w"> |
| 432 | </span><span·class="n">DiA</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">gen_digest</span><span·class="p"·data-group-id="6 | 432 | </span><span·class="n">DiA</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">gen_digest</span><span·class="p"·data-group-id="3623020492-9">(</span><span·class="n">ChB</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OCA</span><span·class="p"·data-group-id="3623020492-9">)</span><span·class="w"> |
| 433 | ··························</span><span·class="p"·data-group-id="6 | 433 | ··························</span><span·class="p"·data-group-id="3623020492-10">(</span><span·class="n">ChA</span><span·class="p">,</span><span·class="w">·</span><span·class="n">DiA</span><span·class="p"·data-group-id="3623020492-10">)</span><span·class="w"> |
| 434 | </span><span·class="ss">send_challenge_reply</span><span·class="w">·</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="p">-></span><span·class="w"> | 434 | </span><span·class="ss">send_challenge_reply</span><span·class="w">·</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="p">-></span><span·class="w"> |
| 435 | ···················································</span><span·class="ss">recv_challenge_reply</span><span·class="w"> | 435 | ···················································</span><span·class="ss">recv_challenge_reply</span><span·class="w"> |
| 436 | ···················································</span><span·class="n">ICB</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">in_cookie</span><span·class="p"·data-group-id="6 | 436 | ···················································</span><span·class="n">ICB</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">in_cookie</span><span·class="p"·data-group-id="3623020492-11">(</span><span·class="n">A</span><span·class="p"·data-group-id="3623020492-11">)</span><span·class="p">,</span><span·class="w"> |
| 437 | ···················································</span><span·class="nc">check</span><span·class="p">:</span><span·class="w"> | 437 | ···················································</span><span·class="nc">check</span><span·class="p">:</span><span·class="w"> |
| 438 | ···················································</span><span·class="n">DiA</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="nf">gen_digest</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 438 | ···················································</span><span·class="n">DiA</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="nf">gen_digest</span><span·class="w">·</span><span·class="p"·data-group-id="3623020492-12">(</span><span·class="n">ChB</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ICB</span><span·class="p"·data-group-id="3623020492-12">)</span><span·class="o">?</span><span·class="w"> |
| 439 | </span><span·class="w">···················································</span><span·class="p">-</span><span·class="w">·</span><span·class="na">if</span><span·class="w">·</span><span·class="n">OK</span><span·class="p">:</span><span·class="w"> | 439 | </span><span·class="w">···················································</span><span·class="p">-</span><span·class="w">·</span><span·class="na">if</span><span·class="w">·</span><span·class="n">OK</span><span·class="p">:</span><span·class="w"> |
| 440 | ····················································</span><span·class="n">OCB</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">out_cookie</span><span·class="p"·data-group-id="6 | 440 | ····················································</span><span·class="n">OCB</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">out_cookie</span><span·class="p"·data-group-id="3623020492-13">(</span><span·class="n">A</span><span·class="p"·data-group-id="3623020492-13">)</span><span·class="p">,</span><span·class="w"> |
| 441 | ····················································</span><span·class="n">DiB</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">gen_digest</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 441 | ····················································</span><span·class="n">DiB</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">gen_digest</span><span·class="w">·</span><span·class="p"·data-group-id="3623020492-14">(</span><span·class="n">ChA</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OCB</span><span·class="p"·data-group-id="3623020492-14">)</span><span·class="w"> |
| 442 | ··························</span><span·class="p"·data-group-id="6 | 442 | ··························</span><span·class="p"·data-group-id="3623020492-15">(</span><span·class="n">DiB</span><span·class="p"·data-group-id="3623020492-15">)</span><span·class="w"> |
| 443 | ··</span><span·class="o"><-</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="w">·</span><span·class="ss">send_challenge_ack</span><span·class="w"> | 443 | ··</span><span·class="o"><-</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="w">·</span><span·class="ss">send_challenge_ack</span><span·class="w"> |
| 444 | </span><span·class="ss">recv_challenge_ack</span><span·class="w">··································</span><span·class="n">DONE</span><span·class="w"> | 444 | </span><span·class="ss">recv_challenge_ack</span><span·class="w">··································</span><span·class="n">DONE</span><span·class="w"> |
| 445 | </span><span·class="n">ICA</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">in_cookie</span><span·class="p"·data-group-id="6 | 445 | </span><span·class="n">ICA</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">in_cookie</span><span·class="p"·data-group-id="3623020492-16">(</span><span·class="n">B</span><span·class="p"·data-group-id="3623020492-16">)</span><span·class="p">,</span><span·class="w">································</span><span·class="o">-</span><span·class="w">·</span><span·class="nc">else</span><span·class="p">:</span><span·class="w"> |
| 446 | </span><span·class="nc">check</span><span·class="p">:</span><span·class="w">··············································</span><span·class="n">CLOSE</span><span·class="w"> | 446 | </span><span·class="nc">check</span><span·class="p">:</span><span·class="w">··············································</span><span·class="n">CLOSE</span><span·class="w"> |
| 447 | </span><span·class="n">DiB</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="nf">gen_digest</span><span·class="p"·data-group-id="6 | 447 | </span><span·class="n">DiB</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="nf">gen_digest</span><span·class="p"·data-group-id="3623020492-17">(</span><span·class="n">ChA</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ICA</span><span·class="p"·data-group-id="3623020492-17">)</span><span·class="o">?</span><span·class="w"> |
| 448 | </span><span·class="p">-</span><span·class="w">·</span><span·class="na">if</span><span·class="w">·</span><span·class="n">OK</span><span·class="p">:</span><span·class="w"> | 448 | </span><span·class="p">-</span><span·class="w">·</span><span·class="na">if</span><span·class="w">·</span><span·class="n">OK</span><span·class="p">:</span><span·class="w"> |
| 449 | ·</span><span·class="n">DONE</span><span·class="w"> | 449 | ·</span><span·class="n">DONE</span><span·class="w"> |
| 450 | </span><span·class="p">-</span><span·class="w">·</span><span·class="na">else</span><span·class="p">:</span><span·class="w"> | 450 | </span><span·class="p">-</span><span·class="w">·</span><span·class="na">else</span><span·class="p">:</span><span·class="w"> |
| 451 | ·</span><span·class="n">CLOSE</span></code></pre><p><a·href=""·id="dflags"></a></p><h3·id="distribution-flags"·class="section-heading"> | 451 | ·</span><span·class="n">CLOSE</span></code></pre><p><a·href=""·id="dflags"></a></p><h3·id="distribution-flags"·class="section-heading"> |
| 452 | ··<a·href="#distribution-flags"·class="hover-link"> | 452 | ··<a·href="#distribution-flags"·class="hover-link"> |
| 453 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 453 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 454 | ··</a> | 454 | ··</a> |
| Offset 762, 15 lines modified | Offset 762, 15 lines modified | ||
| 762 | ······<p·class="built-using"> | 762 | ······<p·class="built-using"> |
| 763 | ········Built·using | 763 | ········Built·using |
| 764 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 764 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 765 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 765 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 766 | ······</p> | 766 | ······</p> |
| 767 | <p>Copyright·©·1996-202 | 767 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 768 | ····</footer> | 768 | ····</footer> |
| 769 | ··</div> | 769 | ··</div> |
| 770 | </main> | 770 | </main> |
| 771 | </div> | 771 | </div> |
| 772 | <script> | 772 | <script> |
| 773 | ··function·mermaidLoaded()·{ | 773 | ··function·mermaidLoaded()·{ |
| 774 | ····mermaid.initialize({ | 774 | ····mermaid.initialize({ |
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| 1773 | ······<p·class="built-using"> | 1773 | ······<p·class="built-using"> |
| 1774 | ········Built·using | 1774 | ········Built·using |
| 1775 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1775 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1776 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1776 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1777 | ······</p> | 1777 | ······</p> |
| 1778 | <p>Copyright·©·1996-202 | 1778 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1779 | ····</footer> | 1779 | ····</footer> |
| 1780 | ··</div> | 1780 | ··</div> |
| 1781 | </main> | 1781 | </main> |
| 1782 | </div> | 1782 | </div> |
| 1783 | <script> | 1783 | <script> |
| 1784 | ··function·mermaidLoaded()·{ | 1784 | ··function·mermaidLoaded()·{ |
| 1785 | ····mermaid.initialize({ | 1785 | ····mermaid.initialize({ |
| Offset 436, 15 lines modified | Offset 436, 15 lines modified | ||
| 436 | ··</a> | 436 | ··</a> |
| 437 | ··<span·class="text">SMALL_BIG_EXT</span> | 437 | ··<span·class="text">SMALL_BIG_EXT</span> |
| 438 | </h2> | 438 | </h2> |
| 439 | <table><thead><tr><th·style="text-align:·left;">1</th><th·style="text-align:·left;">1</th><th·style="text-align:·left;">1</th><th·style="text-align:·left;">n</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">110</code></td><td·style="text-align:·left;"><code·class="inline">n</code></td><td·style="text-align:·left;"><code·class="inline">Sign</code></td><td·style="text-align:·left;"><code·class="inline">d(0)</code>·...·<code·class="inline">d(n-1)</code></td></tr></tbody></table><p>Bignums·are·stored·in·unary·form·with·a·<code·class="inline">Sign</code>·byte,·that·is,·0·if·the·bignum·is | 439 | <table><thead><tr><th·style="text-align:·left;">1</th><th·style="text-align:·left;">1</th><th·style="text-align:·left;">1</th><th·style="text-align:·left;">n</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">110</code></td><td·style="text-align:·left;"><code·class="inline">n</code></td><td·style="text-align:·left;"><code·class="inline">Sign</code></td><td·style="text-align:·left;"><code·class="inline">d(0)</code>·...·<code·class="inline">d(n-1)</code></td></tr></tbody></table><p>Bignums·are·stored·in·unary·form·with·a·<code·class="inline">Sign</code>·byte,·that·is,·0·if·the·bignum·is |
| 440 | positive·and·1·if·it·is·negative.·The·digits·are·stored·with·the·least | 440 | positive·and·1·if·it·is·negative.·The·digits·are·stored·with·the·least |
| 441 | significant·byte·stored·first.·To·calculate·the·integer,·the·following·formula | 441 | significant·byte·stored·first.·To·calculate·the·integer,·the·following·formula |
| 442 | can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">B</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">256</span><span·class="w"> | 442 | can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">B</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">256</span><span·class="w"> |
| 443 | </span><span·class="p"·data-group-id=" | 443 | </span><span·class="p"·data-group-id="5847025937-1">(</span><span·class="ss">d0</span><span·class="o">*</span><span·class="n">B</span><span·class="err">^</span><span·class="mi">0</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="ss">d1</span><span·class[·...·truncated·by·diffoscope;·len:·952,·SHA:·a79eb291e22350405f2e3d0b9adcd4492ad9bf8d86f5cde9bbe88230ee33dcca·...·]-1">)</span></code></pre><h2·id="large_big_ext"·class="section-heading"> |
| 444 | ··<a·href="#large_big_ext"·class="hover-link"> | 444 | ··<a·href="#large_big_ext"·class="hover-link"> |
| 445 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 445 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 446 | ··</a> | 446 | ··</a> |
| 447 | ··<span·class="text">LARGE_BIG_EXT</span> | 447 | ··<span·class="text">LARGE_BIG_EXT</span> |
| 448 | </h2> | 448 | </h2> |
| 449 | <table><thead><tr><th·style="text-align:·left;">1</th><th·style="text-align:·left;">4</th><th·style="text-align:·left;">1</th><th·style="text-align:·left;">n</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">111</code></td><td·style="text-align:·left;"><code·class="inline">n</code></td><td·style="text-align:·left;"><code·class="inline">Sign</code></td><td·style="text-align:·left;"><code·class="inline">d(0)</code>·...·<code·class="inline">d(n-1)</code></td></tr></tbody></table><p>Same·as·<a·href="erl_ext_dist.html#small_big_ext"><code·class="inline">SMALL_BIG_EXT</code></a>·except·that·the·length | 449 | <table><thead><tr><th·style="text-align:·left;">1</th><th·style="text-align:·left;">4</th><th·style="text-align:·left;">1</th><th·style="text-align:·left;">n</th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">111</code></td><td·style="text-align:·left;"><code·class="inline">n</code></td><td·style="text-align:·left;"><code·class="inline">Sign</code></td><td·style="text-align:·left;"><code·class="inline">d(0)</code>·...·<code·class="inline">d(n-1)</code></td></tr></tbody></table><p>Same·as·<a·href="erl_ext_dist.html#small_big_ext"><code·class="inline">SMALL_BIG_EXT</code></a>·except·that·the·length |
| 450 | field·is·an·unsigned·4·byte·integer.</p><h2·id="reference_ext-deprecated"·class="section-heading"> | 450 | field·is·an·unsigned·4·byte·integer.</p><h2·id="reference_ext-deprecated"·class="section-heading"> |
| Offset 621, 15 lines modified | Offset 621, 15 lines modified | ||
| 621 | ······<p·class="built-using"> | 621 | ······<p·class="built-using"> |
| 622 | ········Built·using | 622 | ········Built·using |
| 623 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 623 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 624 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 624 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 625 | ······</p> | 625 | ······</p> |
| 626 | <p>Copyright·©·1996-202 | 626 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 627 | ····</footer> | 627 | ····</footer> |
| 628 | ··</div> | 628 | ··</div> |
| 629 | </main> | 629 | </main> |
| 630 | </div> | 630 | </div> |
| 631 | <script> | 631 | <script> |
| 632 | ··function·mermaidLoaded()·{ | 632 | ··function·mermaidLoaded()·{ |
| 633 | ····mermaid.initialize({ | 633 | ····mermaid.initialize({ |
| Offset 161, 27 lines modified | Offset 161, 27 lines modified | ||
| 161 | } | 161 | } |
| 162 | static·ErlNifFunc·nif_funcs[]·= | 162 | static·ErlNifFunc·nif_funcs[]·= |
| 163 | { | 163 | { |
| 164 | ····{"hello",·0,·hello} | 164 | ····{"hello",·0,·hello} |
| 165 | }; | 165 | }; |
| 166 | ERL_NIF_INIT(niftest,nif_funcs,NULL,NULL,NULL,NULL)</code></pre><p>The·Erlang·module·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 166 | ERL_NIF_INIT(niftest,nif_funcs,NULL,NULL,NULL,NULL)</code></pre><p>The·Erlang·module·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7009883347-1">(</span><span·class="ss">niftest</span><span·class="p"·data-group-id="7009883347-1">)</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="w"> | 167 | </span><span·class="w"> |
| 168 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 168 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7009883347-2">(</span><span·class="p"·data-group-id="7009883347-3">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">hello</span><span·class="p">/</span><sp[·...·truncated·by·diffoscope;·len:·116,·SHA:·5abbbfbc98ab55502f66d507b993fde9ebfdf03d64f6d0005640bc06661e5b14·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 169 | </span><span·class="w"> | 169 | </span><span·class="w"> |
| 170 | </span><span·class="p">-</span><span·class="na">nifs</span><span·class="p"·data-group-id=" | 170 | </span><span·class="p">-</span><span·class="na">nifs</span><span·class="p"·data-group-id="7009883347-4">(</span><span·class="p"·data-group-id="7009883347-5">[</span><span·class="ss">hello</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="7009883347-5">]</span><span·class="p"·data-group-id="7009883347-4">)</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="w"> | 171 | </span><span·class="w"> |
| 172 | </span><span·class="p">-</span><span·class="na">on_load</span><span·class="p"·data-group-id=" | 172 | </span><span·class="p">-</span><span·class="na">on_load</span><span·class="p"·data-group-id="7009883347-6">(</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="7009883347-6">)</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 173 | </span><span·class="nf">init</span><span·class="p"·data-group-id="7009883347-7">(</span><span·class="p"·data-group-id="7009883347-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | ······</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">load_nif</span><span·class="p"·data-group-id=" | 174 | ······</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">load_nif</span><span·class="p"·data-group-id="7009883347-8">(</span><span·class="s">"./niftest"</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="7009883347-8">)</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="nf">hello</span><span·class="p"·data-group-id=" | 175 | </span><span·class="nf">hello</span><span·class="p"·data-group-id="7009883347-9">(</span><span·class="p"·data-group-id="7009883347-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 176 | ······</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">nif_error</span><span·class="p"·data-group-id=" | 176 | ······</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">nif_error</span><span·class="p"·data-group-id="7009883347-10">(</span><span·class="s">"NIF·library·not·loaded"</span><span·class="p"·data-group-id="7009883347-10">)</span><span·class="p">.</span></code></pre><p>Compile·and·test·can·look·as·follows·(on·Linux):</p><pre><code·class="text">$>·gcc·-fPIC·-shared·-o·niftest.so·niftest.c·-I·$ERL_ROOT/usr/include/ |
| 177 | $>·erl | 177 | $>·erl |
| 178 | 1>·c(niftest). | 178 | 1>·c(niftest). |
| 179 | {ok,niftest} | 179 | {ok,niftest} |
| 180 | 2>·niftest:hello(). | 180 | 2>·niftest:hello(). |
| 181 | "Hello·world!"</code></pre><p>In·the·example·above·the·<a·href="../../../doc/system/code_loading.html#on_load"><em><code·class="inline">on_load</code></em></a> | 181 | "Hello·world!"</code></pre><p>In·the·example·above·the·<a·href="../../../doc/system/code_loading.html#on_load"><em><code·class="inline">on_load</code></em></a> |
| 182 | directive·is·used·get·function·<code·class="inline">init</code>·called·automatically·when·the·module·is | 182 | directive·is·used·get·function·<code·class="inline">init</code>·called·automatically·when·the·module·is |
| Offset 2873, 15 lines modified | Offset 2873, 15 lines modified | ||
| 2873 | ······<p·class="built-using"> | 2873 | ······<p·class="built-using"> |
| 2874 | ········Built·using | 2874 | ········Built·using |
| 2875 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2875 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2876 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2876 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2877 | ······</p> | 2877 | ······</p> |
| 2878 | <p>Copyright·©·1996-202 | 2878 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2879 | ····</footer> | 2879 | ····</footer> |
| 2880 | ··</div> | 2880 | ··</div> |
| 2881 | </main> | 2881 | </main> |
| 2882 | </div> | 2882 | </div> |
| 2883 | <script> | 2883 | <script> |
| 2884 | ··function·mermaidLoaded()·{ | 2884 | ··function·mermaidLoaded()·{ |
| 2885 | ····mermaid.initialize({ | 2885 | ····mermaid.initialize({ |
| Offset 398, 15 lines modified | Offset 398, 15 lines modified | ||
| 398 | ························when·Filename·::·<a·href="erlang.html#t:string/0">string</a>(),·FileInfo·::·<a·href="../../../lib/kernel-10.2.3/doc/html/file.html#t:file_info/0">file:file_info</a>().</pre> | 398 | ························when·Filename·::·<a·href="erlang.html#t:string/0">string</a>(),·FileInfo·::·<a·href="../../../lib/kernel-10.2.3/doc/html/file.html#t:file_info/0">file:file_info</a>().</pre> |
| 399 | ······</div> | 399 | ······</div> |
| 400 | <p>Retrieves·information·about·a·file.</p><p>Returns·<code·class="inline">{ok,·FileInfo}</code>·if·successful,·otherwise·<code·class="inline">error</code>.·<code·class="inline">FileInfo</code>·is·a | 400 | <p>Retrieves·information·about·a·file.</p><p>Returns·<code·class="inline">{ok,·FileInfo}</code>·if·successful,·otherwise·<code·class="inline">error</code>.·<code·class="inline">FileInfo</code>·is·a |
| 401 | record·<a·href="../../../lib/kernel-10.2.3/doc/html/file.html#t:file_info/0"><code·class="inline">file_info</code></a>,·defined·in·the·Kernel·include·file | 401 | record·<a·href="../../../lib/kernel-10.2.3/doc/html/file.html#t:file_info/0"><code·class="inline">file_info</code></a>,·defined·in·the·Kernel·include·file |
| 402 | ·<code·class="inline">file.hrl</code>.·Include·the·following·directive·in·the·module·from·which·the | 402 | ·<code·class="inline">file.hrl</code>.·Include·the·following·directive·in·the·module·from·which·the |
| 403 | function·is·called:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 403 | function·is·called:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="6287550567-1">(</span><span·class="s">"kernel/include/file.hrl"</span><span·class="p"·data-group-id="6287550567-1">)</span><span·class="p">.</span></code></pre><p>For·more·information·about·the·record·see·<a·href="../../../lib/kernel-10.2.3/doc/html/file.html#read_file_info/2"><code·class="inline">file:read_file_info/2</code></a>.</p><p><code·class="inline">Filename</code>·can·also·be·a·file·in·an·archive,·for·example, |
| 404 | <code·class="inline">$OTPROOT/lib/mnesia-4.4.7.ez/mnesia-4.4.7/ebin/mnesia</code>.·For·information | 404 | <code·class="inline">$OTPROOT/lib/mnesia-4.4.7.ez/mnesia-4.4.7/ebin/mnesia</code>.·For·information |
| 405 | about·archive·files,·see·<a·href="../../../lib/kernel-10.2.3/doc/html/code.html"><code·class="inline">code</code></a>.</p> | 405 | about·archive·files,·see·<a·href="../../../lib/kernel-10.2.3/doc/html/code.html"><code·class="inline">code</code></a>.</p> |
| 406 | ··</section> | 406 | ··</section> |
| 407 | </section> | 407 | </section> |
| 408 | <section·class="detail"·id="read_link_info/1"> | 408 | <section·class="detail"·id="read_link_info/1"> |
| 409 | ··<div·class="detail-header"> | 409 | ··<div·class="detail-header"> |
| Offset 486, 15 lines modified | Offset 486, 15 lines modified | ||
| 486 | ······<p·class="built-using"> | 486 | ······<p·class="built-using"> |
| 487 | ········Built·using | 487 | ········Built·using |
| 488 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 488 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 489 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 489 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 490 | ······</p> | 490 | ······</p> |
| 491 | <p>Copyright·©·1996-202 | 491 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 492 | ····</footer> | 492 | ····</footer> |
| 493 | ··</div> | 493 | ··</div> |
| 494 | </main> | 494 | </main> |
| 495 | </div> | 495 | </div> |
| 496 | <script> | 496 | <script> |
| 497 | ··function·mermaidLoaded()·{ | 497 | ··function·mermaidLoaded()·{ |
| 498 | ····mermaid.initialize({ | 498 | ····mermaid.initialize({ |
| Offset 145, 44 lines modified | Offset 145, 44 lines modified | ||
| 145 | ··<span·class="text">Erl·Tracer·Module·Example</span> | 145 | ··<span·class="text">Erl·Tracer·Module·Example</span> |
| 146 | </h2> | 146 | </h2> |
| 147 | <p>In·this·example,·a·tracer·module·with·a·NIF·back·end·sends·a·message·for·each | 147 | <p>In·this·example,·a·tracer·module·with·a·NIF·back·end·sends·a·message·for·each |
| 148 | <code·class="inline">send</code>·trace·tag·containing·only·the·sender·and·receiver.·Using·this·tracer | 148 | <code·class="inline">send</code>·trace·tag·containing·only·the·sender·and·receiver.·Using·this·tracer |
| 149 | module,·a·much·more·lightweight·message·tracer·is·used,·which·only·records·who | 149 | module,·a·much·more·lightweight·message·tracer·is·used,·which·only·records·who |
| 150 | sent·messages·to·who.</p><p>The·following·is·an·example·session·using·it·on·Linux:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">gcc</span><span·class="w">·</span><span·class="o">-</span><span·class="n">I</span><span·class="w">·</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">8.0</span><span·class="o">/</span><span·class="ss">include</span><span·class="o">/</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">fPIC</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">shared</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">o</span><span·class="w">·</span><span·class="ss">erl_msg_tracer</span><span·class="p">.</span><span·class="ss">so</span><span·class="w">·</span><span·class="ss">erl_msg_tracer</span><span·class="p">.</span><span·class="ss">c</span><span·class="w"> | 150 | sent·messages·to·who.</p><p>The·following·is·an·example·session·using·it·on·Linux:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">gcc</span><span·class="w">·</span><span·class="o">-</span><span·class="n">I</span><span·class="w">·</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">8.0</span><span·class="o">/</span><span·class="ss">include</span><span·class="o">/</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">fPIC</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">shared</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">o</span><span·class="w">·</span><span·class="ss">erl_msg_tracer</span><span·class="p">.</span><span·class="ss">so</span><span·class="w">·</span><span·class="ss">erl_msg_tracer</span><span·class="p">.</span><span·class="ss">c</span><span·class="w"> |
| 151 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w"> | 151 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w"> |
| 152 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">19</span><span·class="w">·</span><span·class="p"·data-group-id=" | 152 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">19</span><span·class="w">·</span><span·class="p"·data-group-id="5025070106-1">[</span><span·class="n">DEVELOPMENT</span><span·class="p"·data-group-id="5025070106-1">]</span><span·class="w">·</span><span·class="p"·data-group-id="5025070106-2">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">8[·...·truncated·by·diffoscope;·len:·1414,·SHA:·835e0b279a9d0c493108f2cedc617d60b92a9702900364342f229c2fe0bdb2c9·...·]-8">]</span><span·class="w"> |
| 153 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V8</span><span·class="p">.</span><span·class="mi">0</span><span·class="w">··</span><span·class="p"·data-group-id=" | 153 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V8</span><span·class="p">.</span><span·class="mi">0</span><span·class="w">··</span><span·class="p"·data-group-id="5025070106-9">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="5025070106-9">)</span><span·class="gp·unselectable"> |
| 154 | 1>·</span><span·class="nf">c</span><span·class="p"·data-group-id=" | 154 | 1>·</span><span·class="nf">c</span><span·class="p"·data-group-id="5025070106-10">(</span><span·class="ss">erl_msg_tracer</span><span·class="p"·data-group-id="5025070106-10">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">erl_msg_tracer</span><span·class="p">:</span><span·class="nf">load</span><sp[·...·truncated·by·diffoscope;·len:·92,·SHA:·aa455eb1e9527acda94ce170da96d9b0ca1538adda765b5073c66063d85eb0cd·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 155 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 156 | 2>·</span><span·class="n">Tracer</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 156 | 2>·</span><span·class="n">Tracer</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="5025070106-12">(</span><span·class="k">fun</span><span·class="w">·</span><span·class="n">F</span><span·class="p"·data-group-id="5025070106-13">(</span><span·class="p"·data-group-id="5025070106-13">)</span><span·class="w">·</span><span·class="p">-></span[·...·truncated·by·diffoscope;·len:·954,·SHA:·7970a93581b0366eb32c245bdf8c55997d463d0b55b1f65bc4d1adbf82f4f74d·...·]-12">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="o"><</span><span·class="mf">0.37</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> | 157 | </span><span·class="o"><</span><span·class="mf">0.37</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> |
| 158 | 3>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">trace</span><span·class="p"·data-group-id=" | 158 | 3>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">trace</span><span·class="p"·data-group-id="5025070106-17">(</span><span·class="ss">new</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5025070106-18">[</span><span·class="nb">send</span>[·...·truncated·by·diffoscope;·len:·420,·SHA:·b3812d49888846abd00554c49b803d89cc17b8d2d90b3fee8ef86810b56be94c·...·]-17">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="mi">0</span><span·class="w"> | 159 | </span><span·class="mi">0</span><span·class="w"> |
| 160 | </span><span·class="p"·data-group-id=" | 160 | </span><span·class="p"·data-group-id="5025070106-20">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.39</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</spa[·...·truncated·by·diffoscope;·len:·147,·SHA:·ed2137f3acbdd76840f6bb92981abe23c3feb92b82424fa02eae92a232b1388a·...·]-20">}</span><span·class="gp·unselectable"> |
| 161 | 4>·</span><span·class="p"·data-group-id=" | 161 | 4>·</span><span·class="p"·data-group-id="5025070106-21">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D</span><span·class="p"·data-group-id="5025070106-21">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·375,·SHA:·293dc47b2144e6e6a505b7ebb0b1550163b2030b56a22791096e975d8406645b·...·]-22">)</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="p"·data-group-id=" | 162 | </span><span·class="p"·data-group-id="5025070106-24">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="p">#</span><span·class="n">Port</span><span·class="o"><</span><span·class="mf">0.486</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</[·...·truncated·by·diffoscope;·len:·150,·SHA:·caac88f82a6a67366ab5ca2a9ec3d5c071eb54336f54bb54f7b40c2d00dd379a·...·]-24">}</span><span·class="w"> |
| 163 | </span><span·class="p"·data-group-id=" | 163 | </span><span·class="p"·data-group-id="5025070106-25">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.40</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</spa[·...·truncated·by·diffoscope;·len:·147,·SHA:·c8e0f93eb8c8913f017f2ce6cebcb4005e7f29da447d6d516074526ebb17c605·...·]-25">}</span><span·class="w"> |
| 164 | </span><span·class="p"·data-group-id=" | 164 | </span><span·class="p"·data-group-id="5025070106-26">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="p">#</span><span·class="n">Port</span><span·class="o"><</span><span·class="mf">0.487</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</[·...·truncated·by·diffoscope;·len:·149,·SHA:·46c60b32aeb4d6204091b9fd60ff9f5518534a477549cb323e5b9119c5571ae0·...·]-26">}</span><span·class="w"> |
| 165 | </span><span·class="p"·data-group-id=" | 165 | </span><span·class="p"·data-group-id="5025070106-27">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="p">#</span><span·class="n">Port</span><span·class="o"><</span><span·class="mf">0.488</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</[·...·truncated·by·diffoscope;·len:·149,·SHA:·46c60b32aeb4d6204091b9fd60ff9f5518534a477549cb323e5b9119c5571ae0·...·]-27">}</span><span·class="w"> |
| 166 | </span><span·class="p"·data-group-id=" | 166 | </span><span·class="p"·data-group-id="5025070106-28">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="p">#</span><span·class="n">Port</span><span·class="o"><</span><span·class="mf">0.489</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</[·...·truncated·by·diffoscope;·len:·149,·SHA:·46c60b32aeb4d6204091b9fd60ff9f5518534a477549cb323e5b9119c5571ae0·...·]-28">}</span><span·class="w"> |
| 167 | </span><span·class="p"·data-group-id=" | 167 | </span><span·class="p"·data-group-id="5025070106-29">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="p">#</span><span·class="n">Port</span><span·class="o"><</span><span·class="mf">0.490</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</[·...·truncated·by·diffoscope;·len:·149,·SHA:·46c60b32aeb4d6204091b9fd60ff9f5518534a477549cb323e5b9119c5571ae0·...·]-29">}</span><span·class="w"> |
| 168 | </span><span·class="p"·data-group-id=" | 168 | </span><span·class="p"·data-group-id="5025070106-30">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.40</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="5025070106-30">}</span><span·class="w"> |
| 169 | </span><span·class="p"·data-group-id=" | 169 | </span><span·class="p"·data-group-id="5025070106-31">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.41</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</spa[·...·truncated·by·diffoscope;·len:·147,·SHA:·ed2137f3acbdd76840f6bb92981abe23c3feb92b82424fa02eae92a232b1388a·...·]-31">}</span><span·class="w"> |
| 170 | </span><span·class="mi">5</span><span·class="o">></span></code></pre><p><code·class="inline">erl_msg_tracer.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 170 | </span><span·class="mi">5</span><span·class="o">></span></code></pre><p><code·class="inline">erl_msg_tracer.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2652417461-1">(</span><span·class="ss">erl_msg_tracer</span><span·class="p"·data-group-id="2652417461-1">)</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="w"> | 171 | </span><span·class="w"> |
| 172 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 172 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2652417461-2">(</span><span·class="p"·data-group-id="2652417461-3">[</span><span·class="ss">enabled</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="nb">trace</span><span·class="p">/</span>[·...·truncated·by·diffoscope;·len:·244,·SHA:·471a4649de7c2bb184f9bf43d662f40e1d015831a4d40c85cc7b8a3d1f0251ea·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="nf">load</span><span·class="p"·data-group-id=" | 173 | </span><span·class="nf">load</span><span·class="p"·data-group-id="2652417461-4">(</span><span·class="p"·data-group-id="2652417461-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">load_nif</span><span·class="p"·data-group-id=" | 174 | ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">load_nif</span><span·class="p"·data-group-id="2652417461-5">(</span><span·class="s">"erl_msg_tracer"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2652417461-6">[</span><span·class="p"·data-group-id="2652417461-6">]</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·10,·SHA:·c9af70e829016153c172cc18d3ec9a4a6e60e54f35517460c5e7e67d35121c54·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="nf">enabled</span><span·class="p"·data-group-id=" | 175 | </span><span·class="nf">enabled</span><span·class="p"·data-group-id="2652417461-7">(</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p"·data-group-id="2652417461-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 176 | ····</span><span·class="ss">error</span><span·class="p">.</span><span·class="w"> | 176 | ····</span><span·class="ss">error</span><span·class="p">.</span><span·class="w"> |
| 177 | </span><span·class="nf">trace</span><span·class="p"·data-group-id=" | 177 | </span><span·class="nf">trace</span><span·class="p"·data-group-id="2652417461-8">(</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_<[·...·truncated·by·diffoscope;·len:·119,·SHA:·063afab3bf1c788faf7c41b9903b34829333036768105c199118bed25db1895a·...·]-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 178 | ····</span><span·class="ss">error</span><span·class="p">.</span></code></pre><p><code·class="inline">erl_msg_tracer.c</code>:</p><pre><code·class="c">#include·<erl_nif.h> | 178 | ····</span><span·class="ss">error</span><span·class="p">.</span></code></pre><p><code·class="inline">erl_msg_tracer.c</code>:</p><pre><code·class="c">#include·<erl_nif.h> |
| 179 | /*·NIF·interface·declarations·*/ | 179 | /*·NIF·interface·declarations·*/ |
| 180 | static·int·load(ErlNifEnv*·env,·void**·priv_data,·ERL_NIF_TERM·load_info); | 180 | static·int·load(ErlNifEnv*·env,·void**·priv_data,·ERL_NIF_TERM·load_info); |
| 181 | static·int·upgrade(ErlNifEnv*·env,·void**·priv_data,·void**·old_priv_data,·ERL_NIF_TERM·load_info); | 181 | static·int·upgrade(ErlNifEnv*·env,·void**·priv_data,·void**·old_priv_data,·ERL_NIF_TERM·load_info); |
| 182 | static·void·unload(ErlNifEnv*·env,·void*·priv_data); | 182 | static·void·unload(ErlNifEnv*·env,·void*·priv_data); |
| Offset 1657, 15 lines modified | Offset 1657, 15 lines modified | ||
| 1657 | ······<p·class="built-using"> | 1657 | ······<p·class="built-using"> |
| 1658 | ········Built·using | 1658 | ········Built·using |
| 1659 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1659 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1660 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1660 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1661 | ······</p> | 1661 | ······</p> |
| 1662 | <p>Copyright·©·1996-202 | 1662 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1663 | ····</footer> | 1663 | ····</footer> |
| 1664 | ··</div> | 1664 | ··</div> |
| 1665 | </main> | 1665 | </main> |
| 1666 | </div> | 1666 | </div> |
| 1667 | <script> | 1667 | <script> |
| 1668 | ··function·mermaidLoaded()·{ | 1668 | ··function·mermaidLoaded()·{ |
| 1669 | ····mermaid.initialize({ | 1669 | ····mermaid.initialize({ |
| Offset 295, 15 lines modified | Offset 295, 15 lines modified | ||
| 295 | ······<p·class="built-using"> | 295 | ······<p·class="built-using"> |
| 296 | ········Built·using | 296 | ········Built·using |
| 297 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 297 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 298 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 298 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 299 | ······</p> | 299 | ······</p> |
| 300 | <p>Copyright·©·1996-202 | 300 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 301 | ····</footer> | 301 | ····</footer> |
| 302 | ··</div> | 302 | ··</div> |
| 303 | </main> | 303 | </main> |
| 304 | </div> | 304 | </div> |
| 305 | <script> | 305 | <script> |
| 306 | ··function·mermaidLoaded()·{ | 306 | ··function·mermaidLoaded()·{ |
| 307 | ····mermaid.initialize({ | 307 | ····mermaid.initialize({ |
| Offset 401, 15 lines modified | Offset 401, 15 lines modified | ||
| 401 | ······<p·class="built-using"> | 401 | ······<p·class="built-using"> |
| 402 | ········Built·using | 402 | ········Built·using |
| 403 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 403 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 404 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 404 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 405 | ······</p> | 405 | ······</p> |
| 406 | <p>Copyright·©·1996-202 | 406 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 407 | ····</footer> | 407 | ····</footer> |
| 408 | ··</div> | 408 | ··</div> |
| 409 | </main> | 409 | </main> |
| 410 | </div> | 410 | </div> |
| 411 | <script> | 411 | <script> |
| 412 | ··function·mermaidLoaded()·{ | 412 | ··function·mermaidLoaded()·{ |
| 413 | ····mermaid.initialize({ | 413 | ····mermaid.initialize({ |
| Offset 534, 15 lines modified | Offset 534, 15 lines modified | ||
| 534 | ······<p·class="built-using"> | 534 | ······<p·class="built-using"> |
| 535 | ········Built·using | 535 | ········Built·using |
| 536 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 536 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 537 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 537 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 538 | ······</p> | 538 | ······</p> |
| 539 | <p>Copyright·©·1996-202 | 539 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 540 | ····</footer> | 540 | ····</footer> |
| 541 | ··</div> | 541 | ··</div> |
| 542 | </main> | 542 | </main> |
| 543 | </div> | 543 | </div> |
| 544 | <script> | 544 | <script> |
| 545 | ··function·mermaidLoaded()·{ | 545 | ··function·mermaidLoaded()·{ |
| 546 | ····mermaid.initialize({ | 546 | ····mermaid.initialize({ |
| Offset 127, 57 lines modified | Offset 127, 57 lines modified | ||
| 127 | <p>Run·a·script·written·in·Erlang.</p><h2·id="synopsis"·class="section-heading"> | 127 | <p>Run·a·script·written·in·Erlang.</p><h2·id="synopsis"·class="section-heading"> |
| 128 | ··<a·href="#synopsis"·class="hover-link"> | 128 | ··<a·href="#synopsis"·class="hover-link"> |
| 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 130 | ··</a> | 130 | ··</a> |
| 131 | ··<span·class="text">Synopsis</span> | 131 | ··<span·class="text">Synopsis</span> |
| 132 | </h2> | 132 | </h2> |
| 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="ss">script</span><span·class="o">-</span><span·class="ss">name</span><span·class="w">·</span><span·class="p"·data-group-id=" | 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="ss">script</span><span·class="o">-</span><span·class="ss">name</span><span·class="w">·</span><span·class="p"·data-group-id="5702584861-1">[</span><span·class="ss">arg1</span><span·class="w">·</span><span·class="ss">arg2</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="5702584861-1">]</span></code></pre><h2·id="description"·class="section-heading"> |
| 134 | ··<a·href="#description"·class="hover-link"> | 134 | ··<a·href="#description"·class="hover-link"> |
| 135 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 135 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 136 | ··</a> | 136 | ··</a> |
| 137 | ··<span·class="text">Description</span> | 137 | ··<span·class="text">Description</span> |
| 138 | </h2> | 138 | </h2> |
| 139 | <p><code·class="inline">escript</code>·provides·support·for·running·short·Erlang·programs·without·having·to | 139 | <p><code·class="inline">escript</code>·provides·support·for·running·short·Erlang·programs·without·having·to |
| 140 | compile·them·first,·and·an·easy·way·to·retrieve·the·command-line·arguments. | 140 | compile·them·first,·and·an·easy·way·to·retrieve·the·command-line·arguments. |
| 141 | <code·class="inline">escript</code>s·are·created·by·either·writing·them·by·hand·or·using·<a·href="../../../lib/stdlib-6.2.1/doc/html/escript.html#create/2"><code·class="inline">escript:create/2</code></a>.</p><p>escripts·are·run·by·directly·invoking·them·(does·not·work·on·Windows):</p><pre><code·class="text">script-name·[arg1·arg2...]</code></pre><p>or·by·calling·the·<code·class="inline">escript</code>·program·(works·on·all·platforms):</p><pre><code·class="text">escript·[escript-flags]·script-name.escript·[arg1·arg2...]</code></pre><p>For·example:</p><pre><code·class="text">$·chmod·u+x·factorial | 141 | <code·class="inline">escript</code>s·are·created·by·either·writing·them·by·hand·or·using·<a·href="../../../lib/stdlib-6.2.1/doc/html/escript.html#create/2"><code·class="inline">escript:create/2</code></a>.</p><p>escripts·are·run·by·directly·invoking·them·(does·not·work·on·Windows):</p><pre><code·class="text">script-name·[arg1·arg2...]</code></pre><p>or·by·calling·the·<code·class="inline">escript</code>·program·(works·on·all·platforms):</p><pre><code·class="text">escript·[escript-flags]·script-name.escript·[arg1·arg2...]</code></pre><p>For·example:</p><pre><code·class="text">$·chmod·u+x·factorial |
| 142 | $·cat·factorial</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="ch">#!/usr/bin/env·escript | 142 | $·cat·factorial</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="ch">#!/usr/bin/env·escript |
| 143 | </span><span·class="c1">%%·-*-·erlang·-*-</span><span·class="w"> | 143 | </span><span·class="c1">%%·-*-·erlang·-*-</span><span·class="w"> |
| 144 | </span><span·class="c1">%%!·-sname·factorial·-mnesia·debug·verbose</span><span·class="w"> | 144 | </span><span·class="c1">%%!·-sname·factorial·-mnesia·debug·verbose</span><span·class="w"> |
| 145 | </span><span·class="nf">main</span><span·class="p"·data-group-id=" | 145 | </span><span·class="nf">main</span><span·class="p"·data-group-id="3950124269-1">(</span><span·class="p"·data-group-id="3950124269-2">[</span><span·class="n">String</span><span·class="p"·data-group-id="3950124269-2">]</span><span·class="p"·data-group-id="3950124269-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 146 | ····</span><span·class="k">try</span><span·class="w"> | 146 | ····</span><span·class="k">try</span><span·class="w"> |
| 147 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">list_to_integer</span><span·class="p"·data-group-id=" | 147 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">list_to_integer</span><span·class="p"·data-group-id="3950124269-3">(</span><span·class="n">String</span><span·class="p"·data-group-id="3950124269-3">)</span><span·class="p">,</span><span·class="w"> |
| 148 | ········</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fac</span><span·class="p"·data-group-id=" | 148 | ········</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fac</span><span·class="p"·data-group-id="3950124269-4">(</span><span·class="n">N</span><span·class="p"·data-group-id="3950124269-4">)</span><span·class="p">,</span><span·class="w"> |
| 149 | ········</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 149 | ········</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3950124269-5">(</span><span·class="s">"factorial·</span><span·class="si">~w</span><span·class="s">·=·</span><span·class="si">~w</span><span·class="s">\n"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3950124[·...·truncated·by·diffoscope;·len:·181,·SHA:·01fdf773827e2cc21ad7d247357b46494d0ffbe4ab9ef4f851d785970df266dc·...·]-5">)</span><span·class="w"> |
| 150 | ····</span><span·class="k">catch</span><span·class="w"> | 150 | ····</span><span·class="k">catch</span><span·class="w"> |
| 151 | ········</span><span·class="p">_</span><span·class="p">:</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 151 | ········</span><span·class="p">_</span><span·class="p">:</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 152 | ············</span><span·class="nf">usage</span><span·class="p"·data-group-id=" | 152 | ············</span><span·class="nf">usage</span><span·class="p"·data-group-id="3950124269-7">(</span><span·class="p"·data-group-id="3950124269-7">)</span><span·class="w"> |
| 153 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 153 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 154 | </span><span·class="nf">main</span><span·class="p"·data-group-id=" | 154 | </span><span·class="nf">main</span><span·class="p"·data-group-id="3950124269-8">(</span><span·class="p">_</span><span·class="p"·data-group-id="3950124269-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 155 | ····</span><span·class="nf">usage</span><span·class="p"·data-group-id=" | 155 | ····</span><span·class="nf">usage</span><span·class="p"·data-group-id="3950124269-9">(</span><span·class="p"·data-group-id="3950124269-9">)</span><span·class="p">.</span><span·class="w"> |
| 156 | </span><span·class="nf">usage</span><span·class="p"·data-group-id=" | 156 | </span><span·class="nf">usage</span><span·class="p"·data-group-id="3950124269-10">(</span><span·class="p"·data-group-id="3950124269-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 157 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 157 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3950124269-11">(</span><span·class="s">"usage:·factorial·integer\n"</span><span·class="p"·data-group-id="3950124269-11">)</span><span·class="p">,</span><span·class="w"> |
| 158 | ····</span><span·class="nf">halt</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="nf">halt</span><span·class="p"·data-group-id="3950124269-12">(</span><span·class="mi">1</span><span·class="p"·data-group-id="3950124269-12">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="nf">fac</span><span·class="p"·data-group-id=" | 159 | </span><span·class="nf">fac</span><span·class="p"·data-group-id="3950124269-13">(</span><span·class="mi">0</span><span·class="p"·data-group-id="3950124269-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">1</span><span·class="p">;</span><span·class="w"> |
| 160 | </span><span·class="nf">fac</span><span·class="p"·data-group-id=" | 160 | </span><span·class="nf">fac</span><span·class="p"·data-group-id="3950124269-14">(</span><span·class="n">N</span><span·class="p"·data-group-id="3950124269-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·c[·...·truncated·by·diffoscope;·len:·212,·SHA:·9456461a07f4152b784c3cc2e0a14482fdebbb4e10dd3e32d69218685f7f8c8e·...·]-15">)</span><span·class="p">.</span></code></pre><pre><code·class="text">$·./factorial·5 |
| 161 | factorial·5·=·120 | 161 | factorial·5·=·120 |
| 162 | $·./factorial | 162 | $·./factorial |
| 163 | usage:·factorial·integer | 163 | usage:·factorial·integer |
| 164 | $·./factorial·five | 164 | $·./factorial·five |
| 165 | usage:·factorial·integer</code></pre><p>The·header·of·the·Erlang·script·in·the·example·differs·from·a·normal·Erlang | 165 | usage:·factorial·integer</code></pre><p>The·header·of·the·Erlang·script·in·the·example·differs·from·a·normal·Erlang |
| 166 | module.·The·first·line·is·intended·to·be·the·interpreter·line,·which·invokes | 166 | module.·The·first·line·is·intended·to·be·the·interpreter·line,·which·invokes |
| 167 | <code·class="inline">escript</code>.</p><p>However,·if·you·invoke·the·<code·class="inline">escript</code>·as·follows,·the·contents·of·the·first·line | 167 | <code·class="inline">escript</code>.</p><p>However,·if·you·invoke·the·<code·class="inline">escript</code>·as·follows,·the·contents·of·the·first·line |
| 168 | do·not·matter,·but·it·cannot·contain·Erlang·code·as·it·will·be·ignored:</p><pre><code·class="text">$·escript·factorial·5</code></pre><p>The·second·line·in·the·example·contains·an·optional·directive·to·the·<code·class="inline">Emacs</code> | 168 | do·not·matter,·but·it·cannot·contain·Erlang·code·as·it·will·be·ignored:</p><pre><code·class="text">$·escript·factorial·5</code></pre><p>The·second·line·in·the·example·contains·an·optional·directive·to·the·<code·class="inline">Emacs</code> |
| 169 | editor,·which·causes·it·to·enter·the·major·mode·for·editing·Erlang·source·files. | 169 | editor,·which·causes·it·to·enter·the·major·mode·for·editing·Erlang·source·files. |
| 170 | If·the·directive·is·present,·it·must·be·located·on·the·second·line.</p><p>If·a·comment·selecting·the·<a·href="../../../lib/stdlib-6.2.1/doc/html/epp.html#encoding">encoding</a>·exists,·it·can·be | 170 | If·the·directive·is·present,·it·must·be·located·on·the·second·line.</p><p>If·a·comment·selecting·the·<a·href="../../../lib/stdlib-6.2.1/doc/html/epp.html#encoding">encoding</a>·exists,·it·can·be |
| 171 | located·on·the·second·line.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·encoding·specified·by·the·above·mentioned·comment·applies·to·the·script | 171 | located·on·the·second·line.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·encoding·specified·by·the·above·mentioned·comment·applies·to·the·script |
| 172 | itself.·The·encoding·of·the·I/O-server,·however,·must·be·set·explicitly·as | 172 | itself.·The·encoding·of·the·I/O-server,·however,·must·be·set·explicitly·as |
| 173 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">setopts</span><span·class="p"·data-group-id=" | 173 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">setopts</span><span·class="p"·data-group-id="4646991217-1">(</span><span·class="p"·data-group-id="4646991217-2">[</span><span·class="p"·data-group-id="4646991217-3">{</span><span·class="ss">encoding</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">latin1</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·129,·SHA:·f9ff641537f51cbb2ac0c6a9041c67d9e9a8946010474981b88cc7079afda95a·...·]-1">)</span></code></pre><p>The·default·encoding·of·the·I/O-server·for |
| 174 | <a·href="../../../lib/stdlib-6.2.1/doc/html/io.html#t:standard_io/0"><code·class="inline">standard_io</code></a>·is·<code·class="inline">unicode</code>·if·its·supported.·(see | 174 | <a·href="../../../lib/stdlib-6.2.1/doc/html/io.html#t:standard_io/0"><code·class="inline">standard_io</code></a>·is·<code·class="inline">unicode</code>·if·its·supported.·(see |
| 175 | section | 175 | section |
| 176 | <a·href="../../../lib/stdlib-6.2.1/doc/html/unicode_usage.html#unicode_options_summary">Summary·of·Options</a>)·in | 176 | <a·href="../../../lib/stdlib-6.2.1/doc/html/unicode_usage.html#unicode_options_summary">Summary·of·Options</a>)·in |
| 177 | the·STDLIB·User's·Guide.</p></section><p>On·the·third·line·(or·second·line·depending·on·the·presence·of·the·Emacs | 177 | the·STDLIB·User's·Guide.</p></section><p>On·the·third·line·(or·second·line·depending·on·the·presence·of·the·Emacs |
| 178 | directive),·arguments·can·be·specified·to·the·emulator,·for·example:</p><pre><code·class="text">%%!·-sname·factorial·-mnesia·debug·verbose</code></pre><p>Such·an·argument·line·must·start·with·<code·class="inline">%%!</code>·and·the·remaining·line·is | 178 | directive),·arguments·can·be·specified·to·the·emulator,·for·example:</p><pre><code·class="text">%%!·-sname·factorial·-mnesia·debug·verbose</code></pre><p>Such·an·argument·line·must·start·with·<code·class="inline">%%!</code>·and·the·remaining·line·is |
| 179 | interpreted·as·arguments·to·the·emulator.</p><p>If·you·know·the·location·of·the·<code·class="inline">escript</code>·executable,·the·first·line·can | 179 | interpreted·as·arguments·to·the·emulator.</p><p>If·you·know·the·location·of·the·<code·class="inline">escript</code>·executable,·the·first·line·can |
| 180 | directly·give·the·path·to·<code·class="inline">escript</code>,·for·example:</p><pre><code·class="text">#!/usr/local/bin/escript</code></pre><p>As·any·other·type·of·scripts,·Erlang·scripts·do·not·work·on·Unix·platforms·if | 180 | directly·give·the·path·to·<code·class="inline">escript</code>,·for·example:</p><pre><code·class="text">#!/usr/local/bin/escript</code></pre><p>As·any·other·type·of·scripts,·Erlang·scripts·do·not·work·on·Unix·platforms·if |
| Offset 188, 23 lines modified | Offset 188, 23 lines modified | ||
| 188 | arguments·specified·to·the·script·(not·changed·or·interpreted·in·any·way).</p><p>If·the·<code·class="inline">main/1</code>·function·in·the·script·returns·successfully,·the·exit·status·for | 188 | arguments·specified·to·the·script·(not·changed·or·interpreted·in·any·way).</p><p>If·the·<code·class="inline">main/1</code>·function·in·the·script·returns·successfully,·the·exit·status·for |
| 189 | the·script·is·<code·class="inline">0</code>.·If·an·exception·is·generated·during·execution,·a·short | 189 | the·script·is·<code·class="inline">0</code>.·If·an·exception·is·generated·during·execution,·a·short |
| 190 | message·is·printed·and·the·script·terminates·with·exit·status·<code·class="inline">127</code>.</p><p>To·return·your·own·non-zero·exit·code,·call·<a·href="erlang.html#halt/1"><code·class="inline">halt(ExitCode)</code></a>,·for | 190 | message·is·printed·and·the·script·terminates·with·exit·status·<code·class="inline">127</code>.</p><p>To·return·your·own·non-zero·exit·code,·call·<a·href="erlang.html#halt/1"><code·class="inline">halt(ExitCode)</code></a>,·for |
| 191 | example:</p><pre><code·class="text">halt(1).</code></pre><p>To·retrieve·the·pathname·of·the·script,·call·<a·href="../../../lib/stdlib-6.2.1/doc/html/escript.html#script_name/0"><code·class="inline">escript:script_name/0</code></a>·from·your | 191 | example:</p><pre><code·class="text">halt(1).</code></pre><p>To·retrieve·the·pathname·of·the·script,·call·<a·href="../../../lib/stdlib-6.2.1/doc/html/escript.html#script_name/0"><code·class="inline">escript:script_name/0</code></a>·from·your |
| 192 | script·(the·pathname·is·usually,·but·not·always,·absolute).</p><p>If·the·file·contains·source·code·(as·in·the·example·above),·it·is·processed·by | 192 | script·(the·pathname·is·usually,·but·not·always,·absolute).</p><p>If·the·file·contains·source·code·(as·in·the·example·above),·it·is·processed·by |
| 193 | the·<a·href="../../../lib/stdlib-6.2.1/doc/html/epp.html"><code·class="inline">epp</code></a>·preprocessor.·This·means·that·you,·for·example,·can·use·predefined | 193 | the·<a·href="../../../lib/stdlib-6.2.1/doc/html/epp.html"><code·class="inline">epp</code></a>·preprocessor.·This·means·that·you,·for·example,·can·use·predefined |
| 194 | macros·(such·as·<code·class="inline">?MODULE</code>)·and·include·directives·like·the·<code·class="inline">-include_lib</code> | 194 | macros·(such·as·<code·class="inline">?MODULE</code>)·and·include·directives·like·the·<code·class="inline">-include_lib</code> |
| 195 | directive.·For·example,·use</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="5 | 195 | directive.·For·example,·use</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="5420238164-1">(</span><span·class="s">"kernel/include/file.hrl"</span><span·class="p"·data-group-id="5420238164-1">)</span><span·class="p">.</span></code></pre><p>to·include·the·record·definitions·for·the·records·used·by·function |
| 196 | <a·href="../../../lib/kernel-10.2.3/doc/html/file.html#read_link_info/1"><code·class="inline">file:read_link_info/1</code></a>.·You·can·also·select·encoding·by·including·an·encoding | 196 | <a·href="../../../lib/kernel-10.2.3/doc/html/file.html#read_link_info/1"><code·class="inline">file:read_link_info/1</code></a>.·You·can·also·select·encoding·by·including·an·encoding |
| 197 | comment·here,·but·if·a·valid·encoding·comment·exists·on·the·second·line,·it | 197 | comment·here,·but·if·a·valid·encoding·comment·exists·on·the·second·line,·it |
| 198 | takes·precedence.</p><p>The·script·is·checked·for·syntactic·and·semantic·correctness·before·it·is·run. | 198 | takes·precedence.</p><p>The·script·is·checked·for·syntactic·and·semantic·correctness·before·it·is·run. |
| 199 | If·there·are·warnings·(such·as·unused·variables),·they·are·printed·and·the | 199 | If·there·are·warnings·(such·as·unused·variables),·they·are·printed·and·the |
| 200 | script·will·still·be·run.·If·there·are·errors,·they·are·printed·and·the·script | 200 | script·will·still·be·run.·If·there·are·errors,·they·are·printed·and·the·script |
| 201 | will·not·be·run·and·its·exit·status·is·<code·class="inline">127</code>.</p><p>Both·the·module·declaration·and·the·export·declaration·of·the·<code·class="inline">main/1</code>·function | 201 | will·not·be·run·and·its·exit·status·is·<code·class="inline">127</code>.</p><p>Both·the·module·declaration·and·the·export·declaration·of·the·<code·class="inline">main/1</code>·function |
| 202 | are·optional.</p><p>By·default,·the·script·will·be·compiled·by·the·Erlang·compiler.</p><p>It·is·possible·to·force·it·to·be·interpreted·by·including·the·following·line | 202 | are·optional.</p><p>By·default,·the·script·will·be·compiled·by·the·Erlang·compiler.</p><p>It·is·possible·to·force·it·to·be·interpreted·by·including·the·following·line |
| 203 | somewhere·in·the·script·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">mode</span><span·class="p"·data-group-id=" | 203 | somewhere·in·the·script·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">mode</span><span·class="p"·data-group-id="7471142229-1">(</span><span·class="ss">interpret</span><span·class="p"·data-group-id="7471142229-1">)</span><span·class="p">.</span></code></pre><p>Execution·of·interpreted·code·is·slower·than·compiled·code,·and·some·language |
| 204 | constructs·will·not·work,·but·there·is·no·requirement·for·the·Erlang·compiler | 204 | constructs·will·not·work,·but·there·is·no·requirement·for·the·Erlang·compiler |
| 205 | application·to·be·available.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·Erlang/OTP·27·the·script·would·be·interpreted·by·default.</p></section><h2·id="precompiled-escripts"·class="section-heading"> | 205 | application·to·be·available.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>Before·Erlang/OTP·27·the·script·would·be·interpreted·by·default.</p></section><h2·id="precompiled-escripts"·class="section-heading"> |
| 206 | ··<a·href="#precompiled-escripts"·class="hover-link"> | 206 | ··<a·href="#precompiled-escripts"·class="hover-link"> |
| 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 208 | ··</a> | 208 | ··</a> |
| 209 | ··<span·class="text">Precompiled·escripts</span> | 209 | ··<span·class="text">Precompiled·escripts</span> |
| 210 | </h2> | 210 | </h2> |
| Offset 309, 15 lines modified | Offset 309, 15 lines modified | ||
| 309 | ······<p·class="built-using"> | 309 | ······<p·class="built-using"> |
| 310 | ········Built·using | 310 | ········Built·using |
| 311 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 311 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 312 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 312 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 313 | ······</p> | 313 | ······</p> |
| 314 | <p>Copyright·©·1996-202 | 314 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 315 | ····</footer> | 315 | ····</footer> |
| 316 | ··</div> | 316 | ··</div> |
| 317 | </main> | 317 | </main> |
| 318 | </div> | 318 | </div> |
| 319 | <script> | 319 | <script> |
| 320 | ··function·mermaidLoaded()·{ | 320 | ··function·mermaidLoaded()·{ |
| 321 | ····mermaid.initialize({ | 321 | ····mermaid.initialize({ |
| Offset 133, 33 lines modified | Offset 133, 33 lines modified | ||
| 133 | </h2> | 133 | </h2> |
| 134 | <p>Each·Erlang·process·has·its·own·stack·and·heap·which·are·allocated·in·the·same·memory·block·and·grow·towards·each·other.·When·the·stack·and·the·heap·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/beam_emu.c#L387">meet</a>,·the·garbage·collector·is·triggered·and·memory·is·reclaimed.·If·not·enough·memory·was·reclaimed,·the·heap·will·grow.</p><h3·id="creating-data"·class="section-heading"> | 134 | <p>Each·Erlang·process·has·its·own·stack·and·heap·which·are·allocated·in·the·same·memory·block·and·grow·towards·each·other.·When·the·stack·and·the·heap·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/beam_emu.c#L387">meet</a>,·the·garbage·collector·is·triggered·and·memory·is·reclaimed.·If·not·enough·memory·was·reclaimed,·the·heap·will·grow.</p><h3·id="creating-data"·class="section-heading"> |
| 135 | ··<a·href="#creating-data"·class="hover-link"> | 135 | ··<a·href="#creating-data"·class="hover-link"> |
| 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 137 | ··</a> | 137 | ··</a> |
| 138 | ··<span·class="text">Creating·Data</span> | 138 | ··<span·class="text">Creating·Data</span> |
| 139 | </h3> | 139 | </h3> |
| 140 | <p>Terms·are·created·on·the·heap·by·evaluating·expressions.·There·are·two·major·types·of·terms:·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_term.h#L88-L97">immediate·terms</a>·which·require·no·heap·space·(small·integers,·atoms,·pids,·port·ids·etc)·and·cons·or·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_term.h#L106-L120">boxed·terms</a>·(tuple,·big·num,·binaries·etc)·that·do·require·heap·space.·Immediate·terms·do·not·need·any·heap·space·because·they·are·embedded·into·the·containing·structure.</p><p>Let's·look·at·an·example·that·returns·a·tuple·with·the·newly·created·data.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">data</span><span·class="p"·data-group-id=" | 140 | <p>Terms·are·created·on·the·heap·by·evaluating·expressions.·There·are·two·major·types·of·terms:·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_term.h#L88-L97">immediate·terms</a>·which·require·no·heap·space·(small·integers,·atoms,·pids,·port·ids·etc)·and·cons·or·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_term.h#L106-L120">boxed·terms</a>·(tuple,·big·num,·binaries·etc)·that·do·require·heap·space.·Immediate·terms·do·not·need·any·heap·space·because·they·are·embedded·into·the·containing·structure.</p><p>Let's·look·at·an·example·that·returns·a·tuple·with·the·newly·created·data.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">data</span><span·class="p"·data-group-id="4898140175-1">(</span><span·class="n">Foo</span><span·class="p"·data-group-id="4898140175-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 141 | ···</span><span·class="n">Cons</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 141 | ···</span><span·class="n">Cons</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4898140175-2">[</span><span·class="mi">42</span><span·class="p">|</span><span·class="n">Foo</span><span·class="p"·data-group-id="4898140175-2">]</span><span·class="p">,</span><span·class="w"> |
| 142 | ···</span><span·class="n">Literal</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 142 | ···</span><span·class="n">Literal</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4898140175-3">{</span><span·class="ss">text</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"hello·world!"</span><span·class="p"·data-group-id="4898140175-3">}</span><span·class="p">,</span><span·class="w"> |
| 143 | ···</span><span·class="p"·data-group-id=" | 143 | ···</span><span·class="p"·data-group-id="4898140175-4">{</span><span·class="ss">tag</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cons</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Literal</span><span·class="p"·data-group-id="4898140175-4">}</span><span·class="p">.</span></code></pre><p>In·this·example·we·first·create·a·new·cons·cell·with·an·integer·and·a·tuple·with·some·text.·Then·a·tuple·of·size·three·wrapping·the·other·values·with·an·atom·tag·is·created·and·returned.</p><p>On·the·heap·tuples·require·a·word·size·for·each·of·its·elements·as·well·as·for·the·header.·Cons·cells·always·require·two·words.·Adding·these·things·together,·we·get·seven·words·for·the·tuples·and·26·words·for·the·cons·cells.·The·string·<code·class="inline">"hello·world!"</code>·is·a·list·of·cons·cells·and·thus·requires·24·words.·The·atom·<code·class="inline">tag</code>·and·the·integer·<code·class="inline">42</code>·do·not·require·any·additional·heap·memory·since·it·is·an·<em>immediate</em>.·Adding·all·the·terms·together,·the·heap·space·required·in·this·example·should·be·33·words.</p><p>Compiling·this·code·to·beam·assembly·(<code·class="inline">erlc·-S</code>)·shows·exactly·what·is·happening.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="p"·data-group-id=" | 144 | </span><span·class="p"·data-group-id="9355096767-1">{</span><span·class="ss">test_heap</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="9355096767-1">}</span><span·class="p">.</span><span·class="w"> |
| 145 | </span><span·class="p"·data-group-id=" | 145 | </span><span·class="p"·data-group-id="9355096767-2">{</span><span·class="ss">put_list</span><span·class="p">,</span><span·class="p"·data-group-id="9355096767-3">{</span><span·class="ss">integer</span><span·class="p">,</span><span·class="mi">42</span><span·class="p"·data-group-id="9355096767-3"[·...·truncated·by·diffoscope;·len:·458,·SHA:·42337decc7108ec28261be9e9194a9a226b6c6cc858a9a7565f1a8df9b1ef0bb·...·]-2">}</span><span·class="p">.</span><span·class="w"> |
| 146 | </span><span·class="p"·data-group-id=" | 146 | </span><span·class="p"·data-group-id="9355096767-6">{</span><span·class="ss">put_tuple</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="p"·data-group-id="9355096767-7">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="mi">0</span><[·...·truncated·by·diffoscope;·len:·93,·SHA:·79a98b97555940e04bb39528dd4611a362308234a302b0ad74c32ec243c0ad0e·...·]-6">}</span><span·class="p">.</span><span·class="w"> |
| 147 | </span><span·class="p"·data-group-id=" | 147 | </span><span·class="p"·data-group-id="9355096767-8">{</span><span·class="nb">put</span><span·class="p">,</span><span·class="p"·data-group-id="9355096767-9">{</span><span·class="ss">atom</span><span·class="p">,</span><span·class="ss">tag</span><span·class="p"·data-group-id="9355096767-9">}</spa[·...·truncated·by·diffoscope;·len:·43,·SHA:·cadc9c3e27a25bea11b944adbc01de5420ad676b86102d5a8fa1e3f464b40a04·...·]-8">}</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="p"·data-group-id=" | 148 | </span><span·class="p"·data-group-id="9355096767-10">{</span><span·class="nb">put</span><span·class="p">,</span><span·class="p"·data-group-id="9355096767-11">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="9355096767-11">}</span>[·...·truncated·by·diffoscope;·len:·41,·SHA:·8d69de6ecaa1110f486abbc1e1215b8cf85200bc82a8f138bcc14c12916dbaba·...·]-10">}</span><span·class="p">.</span><span·class="w"> |
| 149 | </span><span·class="p"·data-group-id=" | 149 | </span><span·class="p"·data-group-id="9355096767-12">{</span><span·class="nb">put</span><span·class="p">,</span><span·class="p"·data-group-id="9355096767-13">{</span><span·class="ss">literal</span><span·class="p">,</span><span·class="p"·data-group-id="9355096767-14">{</span><span·class="ss">te[·...·truncated·by·diffoscope;·len:·229,·SHA:·33d516bdaec7ee55fe77ff5700f7060d691738b5579eacd8c542d1a6bd0d589f·...·]-12">}</span><span·class="p">.</span><span·class="w"> |
| 150 | </span><span·class="ss">return</span><span·class="p">.</span></code></pre><p>Looking·at·the·assembler·code·we·can·see·three·things:·The·heap·requirement·in·this·function·turns·out·to·be·only·six·words,·as·seen·by·the·<code·class="inline">{test_heap,6,1}</code>·instruction.·All·the·allocations·are·combined·to·a·single·instruction.·The·bulk·of·the·data·<code·class="inline">{text,·"hello·world!"}</code>·is·a·<em>literal</em>.·Literals,·sometimes·referred·to·as·constants,·are·not·allocated·in·the·function·since·they·are·a·part·of·the·module·and·allocated·at·load·time.</p><p>If·there·is·not·enough·space·available·on·the·heap·to·satisfy·the·<code·class="inline">test_heap</code>·instructions·request·for·memory,·then·a·garbage·collection·is·initiated.·It·may·happen·immediately·in·the·<code·class="inline">test_heap</code>·instruction,·or·it·can·be·delayed·until·a·later·time·depending·on·what·state·the·process·is·in.·If·the·garbage·collection·is·delayed,·any·memory·needed·will·be·allocated·in·heap·fragments.·Heap·fragments·are·extra·memory·blocks·that·are·a·part·of·the·young·heap,·but·are·not·allocated·in·the·contiguous·area·where·terms·normally·reside.·See·<a·href="#the-young-heap">The·young·heap</a>·for·more·details.</p><h3·id="the-collector"·class="section-heading"> | 150 | </span><span·class="ss">return</span><span·class="p">.</span></code></pre><p>Looking·at·the·assembler·code·we·can·see·three·things:·The·heap·requirement·in·this·function·turns·out·to·be·only·six·words,·as·seen·by·the·<code·class="inline">{test_heap,6,1}</code>·instruction.·All·the·allocations·are·combined·to·a·single·instruction.·The·bulk·of·the·data·<code·class="inline">{text,·"hello·world!"}</code>·is·a·<em>literal</em>.·Literals,·sometimes·referred·to·as·constants,·are·not·allocated·in·the·function·since·they·are·a·part·of·the·module·and·allocated·at·load·time.</p><p>If·there·is·not·enough·space·available·on·the·heap·to·satisfy·the·<code·class="inline">test_heap</code>·instructions·request·for·memory,·then·a·garbage·collection·is·initiated.·It·may·happen·immediately·in·the·<code·class="inline">test_heap</code>·instruction,·or·it·can·be·delayed·until·a·later·time·depending·on·what·state·the·process·is·in.·If·the·garbage·collection·is·delayed,·any·memory·needed·will·be·allocated·in·heap·fragments.·Heap·fragments·are·extra·memory·blocks·that·are·a·part·of·the·young·heap,·but·are·not·allocated·in·the·contiguous·area·where·terms·normally·reside.·See·<a·href="#the-young-heap">The·young·heap</a>·for·more·details.</p><h3·id="the-collector"·class="section-heading"> |
| 151 | ··<a·href="#the-collector"·class="hover-link"> | 151 | ··<a·href="#the-collector"·class="hover-link"> |
| 152 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 152 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 153 | ··</a> | 153 | ··</a> |
| 154 | ··<span·class="text">The·collector</span> | 154 | ··<span·class="text">The·collector</span> |
| 155 | </h3> | 155 | </h3> |
| 156 | <p>Erlang·has·a·copying·semi-space·garbage·collector.·This·means·that·when·doing·a·garbage·collection,·the·terms·are·copied·from·one·distinct·area,·called·the·<em>from·space</em>,·to·a·new·clean·area,·called·the·<em>to·space</em>.·The·collector·starts·by·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L1980">scanning·the·root-set</a>·(stack,·registers,·etc).</p><p><img·src="assets/gc-start.png"·alt="Garbage·collection:·initial·values"/></p><p>It·follows·all·the·pointers·from·the·root-set·to·the·heap·and·copies·each·term·word·by·word·to·the·<em>to·space</em>.</p><p>After·the·header·word·has·been·copied·a·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.h#L45-L46"><em>move·marker</em></a>·is·destructively·placed·in·it·pointing·to·the·term·in·the·<em>to·space</em>.·Any·other·term·that·points·to·the·already·moved·term·will·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L1125">see·this·move·marker</a>·and·copy·the·referring·pointer·instead.·For·example,·if·the·have·the·following·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="7 | 156 | <p>Erlang·has·a·copying·semi-space·garbage·collector.·This·means·that·when·doing·a·garbage·collection,·the·terms·are·copied·from·one·distinct·area,·called·the·<em>from·space</em>,·to·a·new·clean·area,·called·the·<em>to·space</em>.·The·collector·starts·by·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L1980">scanning·the·root-set</a>·(stack,·registers,·etc).</p><p><img·src="assets/gc-start.png"·alt="Garbage·collection:·initial·values"/></p><p>It·follows·all·the·pointers·from·the·root-set·to·the·heap·and·copies·each·term·word·by·word·to·the·<em>to·space</em>.</p><p>After·the·header·word·has·been·copied·a·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.h#L45-L46"><em>move·marker</em></a>·is·destructively·placed·in·it·pointing·to·the·term·in·the·<em>to·space</em>.·Any·other·term·that·points·to·the·already·moved·term·will·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L1125">see·this·move·marker</a>·and·copy·the·referring·pointer·instead.·For·example,·if·the·have·the·following·Erlang·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="8707254645-1">(</span><span·class="n">Arg</span><span·class="p"·data-group-id="8707254645-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 157 | ····</span><span·class="n">T</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7 | 157 | ····</span><span·class="n">T</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8707254645-2">{</span><span·class="ss">test</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Arg</span><span·class="p"·data-group-id="8707254645-2">}</span><span·class="p">,</span><span·class="w"> |
| 158 | ····</span><span·class="p"·data-group-id="7 | 158 | ····</span><span·class="p"·data-group-id="8707254645-3">{</span><span·class="ss">wrapper</span><span·class="p">,</span><span·class="w">·</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·54,·SHA:·ecefcaec914c31e05bbfce86134bbcdb21d00d1995b92636842d74a21a3f83ef·...·]-3">}</span><span·class="p">.</span></code></pre><p>Only·one·copy·of·T·exists·on·the·heap·and·during·the·garbage·collection·only·the·first·time·T·is·encountered·will·it·be·copied.</p><p><img·src="assets/gc-rootset-scan.png"·alt="Garbage·collection:·root·set·scan"/></p><p>After·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L1089">all·terms</a>·referenced·by·the·root-set·have·been·copied,·the·collector·scans·the·<em>to·space</em>·and·copies·all·terms·that·these·terms·reference.·When·scanning,·the·collector·steps·through·each·term·on·the·<em>to·space</em>·and·any·term·still·referencing·the·<em>from·space</em>·is·copied·over·to·the·<em>to·space</em>.·Some·terms·contain·non-term·data·(the·payload·of·a·on·heap·binary·for·instance).·When·encountered·by·the·collector,·these·values·are·simply·skipped.</p><p><img·src="assets/gc-heap-scan1.png"·alt="Garbage·collection:·heap·scan"/></p><p>Every·term·object·we·can·reach·is·copied·to·the·<em>to·space</em>·and·stored·on·top·off·the·<em>scan·stop</em>·line,·and·then·the·scan·stop·is·moved·to·the·end·of·the·last·object.</p><p><img·src="assets/gc-heap-stop.png"·alt="Garbage·collection:·heap·scan"/></p><p>When·<em>scan·stop</em>·marker·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L1103">catches·up</a>·to·the·<em>scan·start</em>·marker,·the·garbage·collection·is·done.·At·this·point·we·can·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L1206">deallocate</a>·the·entire·<em>from·space</em>·and·therefore·reclaim·the·entire·young·heap.</p><h2·id="generational-garbage-collection"·class="section-heading"> |
| 159 | ··<a·href="#generational-garbage-collection"·class="hover-link"> | 159 | ··<a·href="#generational-garbage-collection"·class="hover-link"> |
| 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 161 | ··</a> | 161 | ··</a> |
| 162 | ··<span·class="text">Generational·Garbage·Collection</span> | 162 | ··<span·class="text">Generational·Garbage·Collection</span> |
| 163 | </h2> | 163 | </h2> |
| 164 | <p>In·addition·to·the·collection·algorithm·described·above,·the·Erlang·garbage·collector·also·provides·generational·garbage·collection.·An·additional·heap,·called·the·old·heap,·is·used·where·the·long·lived·data·is·stored.·The·original·heap·is·called·the·young·heap,·or·sometimes·the·allocation·heap.</p><p>With·this·in·mind·we·can·look·at·the·Erlang's·garbage·collection·again.·During·the·copy·stage·anything·that·should·be·copied·to·the·young·<em>to·space</em>·is·instead·copied·to·the·old·<em>to·space</em>·<em>if</em>·it·is·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L1127">below·the·<em>high-watermark</em></a>.</p><p><img·src="assets/gc-watermark.png"·alt="Garbage·collection:·heap·scan"/></p><p>The·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_process.h#L1021"><em>high-watermark</em></a>·is·placed·where·the·previous·garbage·collection·(described·in·<a·href="#overview">Overview</a>)·ended·and·we·have·introduced·a·new·area·called·the·old·heap.·When·doing·the·normal·garbage·collection·pass,·any·term·that·is·located·below·the·high-watermark·is·copied·to·the·old·<em>to·space</em>·instead·of·the·young.</p><p><img·src="assets/gc-watermark-2.png"·alt="Garbage·collection:·heap·scan"/></p><p>In·the·next·garbage·collection,·any·pointers·to·the·old·heap·will·be·ignored·and·not·scanned.·This·way·the·garbage·collector·does·not·have·to·scan·the·long-lived·terms.</p><p>Generational·garbage·collection·aims·to·increase·performance·at·the·expense·of·memory.·This·is·achieved·because·only·the·young,·smaller,·heap·is·considered·in·most·garbage·collections.</p><p>The·generational·hypothesis·predicts·that·most·terms·tend·to·die·young·(see·D.·Ungar·in·<a·href="#references">References</a>),·and·for·an·immutable·language·such·as·Erlang,·young·terms·die·even·faster·than·in·other·languages.·So·for·most·usage·patterns·the·data·in·the·new·heap·will·die·very·soon·after·it·is·allocated.·This·is·good·because·it·limits·the·amount·of·data·copied·to·the·old·heap·and·also·because·the·garbage·collection·algorithm·used·is·proportional·to·the·amount·of·live·data·on·the·heap.</p><p>One·critical·issue·to·note·here·is·that·any·term·on·the·young·heap·can·reference·terms·on·the·old·heap·but·<em>no</em>·term·on·the·old·heap·may·refer·to·a·term·on·the·young·heap.·This·is·due·to·the·nature·of·the·copy·algorithm.·Anything·referenced·by·an·old·heap·term·is·not·included·in·the·reference·tree,·root-set·and·its·followers,·and·hence·is·not·copied.·If·it·was,·the·data·would·be·lost,·fire·and·brimstone·would·rise·to·cover·the·earth.·Fortunately,·this·comes·naturally·for·Erlang·because·the·terms·are·immutable·and·thus·there·can·be·no·pointers·modified·on·the·old·heap·to·point·to·the·young·heap.</p><p>To·reclaim·data·from·the·old·heap,·both·young·and·old·heaps·are·included·during·the·collection·and·copied·to·a·common·<em>to·space</em>.·Both·the·<em>from·space</em>·of·the·young·and·old·heap·are·then·deallocated·and·the·procedure·will·start·over·from·the·beginning.·This·type·of·garbage·collection·is·called·a·full·sweep·and·is·triggered·when·the·size·of·the·area·under·the·high-watermark·is·larger·than·the·size·of·the·free·area·of·the·old·heap.·It·can·also·be·triggered·by·doing·a·manual·call·to·<a·href="http://erlang.org/doc/man/erlang.html#garbage_collect-0">erlang:garbage_collect()</a>,·or·by·running·into·the·young·garbage·collection·limit·set·by·[spawn_opt(fun(),<a·href="http://erlang.org/doc/man/erlang.html#spawn_opt-4">{fullsweep_after,·N}])</a>·where·N·is·the·number·of·young·garbage·collections·to·do·before·forcing·a·garbage·collection·of·both·young·and·old·heap.</p><h2·id="the-young-heap"·class="section-heading"> | 164 | <p>In·addition·to·the·collection·algorithm·described·above,·the·Erlang·garbage·collector·also·provides·generational·garbage·collection.·An·additional·heap,·called·the·old·heap,·is·used·where·the·long·lived·data·is·stored.·The·original·heap·is·called·the·young·heap,·or·sometimes·the·allocation·heap.</p><p>With·this·in·mind·we·can·look·at·the·Erlang's·garbage·collection·again.·During·the·copy·stage·anything·that·should·be·copied·to·the·young·<em>to·space</em>·is·instead·copied·to·the·old·<em>to·space</em>·<em>if</em>·it·is·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L1127">below·the·<em>high-watermark</em></a>.</p><p><img·src="assets/gc-watermark.png"·alt="Garbage·collection:·heap·scan"/></p><p>The·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_process.h#L1021"><em>high-watermark</em></a>·is·placed·where·the·previous·garbage·collection·(described·in·<a·href="#overview">Overview</a>)·ended·and·we·have·introduced·a·new·area·called·the·old·heap.·When·doing·the·normal·garbage·collection·pass,·any·term·that·is·located·below·the·high-watermark·is·copied·to·the·old·<em>to·space</em>·instead·of·the·young.</p><p><img·src="assets/gc-watermark-2.png"·alt="Garbage·collection:·heap·scan"/></p><p>In·the·next·garbage·collection,·any·pointers·to·the·old·heap·will·be·ignored·and·not·scanned.·This·way·the·garbage·collector·does·not·have·to·scan·the·long-lived·terms.</p><p>Generational·garbage·collection·aims·to·increase·performance·at·the·expense·of·memory.·This·is·achieved·because·only·the·young,·smaller,·heap·is·considered·in·most·garbage·collections.</p><p>The·generational·hypothesis·predicts·that·most·terms·tend·to·die·young·(see·D.·Ungar·in·<a·href="#references">References</a>),·and·for·an·immutable·language·such·as·Erlang,·young·terms·die·even·faster·than·in·other·languages.·So·for·most·usage·patterns·the·data·in·the·new·heap·will·die·very·soon·after·it·is·allocated.·This·is·good·because·it·limits·the·amount·of·data·copied·to·the·old·heap·and·also·because·the·garbage·collection·algorithm·used·is·proportional·to·the·amount·of·live·data·on·the·heap.</p><p>One·critical·issue·to·note·here·is·that·any·term·on·the·young·heap·can·reference·terms·on·the·old·heap·but·<em>no</em>·term·on·the·old·heap·may·refer·to·a·term·on·the·young·heap.·This·is·due·to·the·nature·of·the·copy·algorithm.·Anything·referenced·by·an·old·heap·term·is·not·included·in·the·reference·tree,·root-set·and·its·followers,·and·hence·is·not·copied.·If·it·was,·the·data·would·be·lost,·fire·and·brimstone·would·rise·to·cover·the·earth.·Fortunately,·this·comes·naturally·for·Erlang·because·the·terms·are·immutable·and·thus·there·can·be·no·pointers·modified·on·the·old·heap·to·point·to·the·young·heap.</p><p>To·reclaim·data·from·the·old·heap,·both·young·and·old·heaps·are·included·during·the·collection·and·copied·to·a·common·<em>to·space</em>.·Both·the·<em>from·space</em>·of·the·young·and·old·heap·are·then·deallocated·and·the·procedure·will·start·over·from·the·beginning.·This·type·of·garbage·collection·is·called·a·full·sweep·and·is·triggered·when·the·size·of·the·area·under·the·high-watermark·is·larger·than·the·size·of·the·free·area·of·the·old·heap.·It·can·also·be·triggered·by·doing·a·manual·call·to·<a·href="http://erlang.org/doc/man/erlang.html#garbage_collect-0">erlang:garbage_collect()</a>,·or·by·running·into·the·young·garbage·collection·limit·set·by·[spawn_opt(fun(),<a·href="http://erlang.org/doc/man/erlang.html#spawn_opt-4">{fullsweep_after,·N}])</a>·where·N·is·the·number·of·young·garbage·collections·to·do·before·forcing·a·garbage·collection·of·both·young·and·old·heap.</p><h2·id="the-young-heap"·class="section-heading"> |
| 165 | ··<a·href="#the-young-heap"·class="hover-link"> | 165 | ··<a·href="#the-young-heap"·class="hover-link"> |
| Offset 175, 19 lines modified | Offset 175, 19 lines modified | ||
| 175 | </h2> | 175 | </h2> |
| 176 | <p>As·mentioned·in·the·Overview·the·size·of·the·heap·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L247">grows</a>·to·accommodate·more·data.·Heaps·grow·in·two·stages,·first·a·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L199-L208">variation·of·the·Fibonacci·sequence</a>·is·used·starting·at·233·words.·Then·at·about·1·mega·words·the·heap·only·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L215-L227">grows·in·20%·increments</a>.</p><p>There·are·two·occasions·when·the·young·heap·grows:</p><ul><li>if·the·total·size·of·the·heap·+·message·and·heap·fragments·exceeds·the·current·heap·size.</li><li>if·after·a·fullsweep,·the·total·amount·of·live·objects·is·greater·than·75%.</li></ul><p>There·are·two·occasions·when·the·young·heap·is·shrunk:</p><ul><li>if·after·a·young·collection,·the·total·amount·of·live·objects·is·less·than·25%·of·the·heap·and·the·young·heap·is·"big"</li><li>if·after·a·fullsweep,·the·total·amount·of·live·objects·is·less·than·25%·of·the·heap.</li></ul><p>The·old·heap·is·always·one·step·ahead·in·the·heap·growth·stages·than·the·young·heap.</p><h2·id="literals"·class="section-heading"> | 176 | <p>As·mentioned·in·the·Overview·the·size·of·the·heap·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L247">grows</a>·to·accommodate·more·data.·Heaps·grow·in·two·stages,·first·a·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L199-L208">variation·of·the·Fibonacci·sequence</a>·is·used·starting·at·233·words.·Then·at·about·1·mega·words·the·heap·only·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L215-L227">grows·in·20%·increments</a>.</p><p>There·are·two·occasions·when·the·young·heap·grows:</p><ul><li>if·the·total·size·of·the·heap·+·message·and·heap·fragments·exceeds·the·current·heap·size.</li><li>if·after·a·fullsweep,·the·total·amount·of·live·objects·is·greater·than·75%.</li></ul><p>There·are·two·occasions·when·the·young·heap·is·shrunk:</p><ul><li>if·after·a·young·collection,·the·total·amount·of·live·objects·is·less·than·25%·of·the·heap·and·the·young·heap·is·"big"</li><li>if·after·a·fullsweep,·the·total·amount·of·live·objects·is·less·than·25%·of·the·heap.</li></ul><p>The·old·heap·is·always·one·step·ahead·in·the·heap·growth·stages·than·the·young·heap.</p><h2·id="literals"·class="section-heading"> |
| 177 | ··<a·href="#literals"·class="hover-link"> | 177 | ··<a·href="#literals"·class="hover-link"> |
| 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 179 | ··</a> | 179 | ··</a> |
| 180 | ··<span·class="text">Literals</span> | 180 | ··<span·class="text">Literals</span> |
| 181 | </h2> | 181 | </h2> |
| 182 | <p>When·garbage·collecting·a·heap·(young·or·old)·all·literals·are·left·in·place·and·not·copied.·To·figure·out·if·a·term·should·be·copied·or·not·when·doing·a·garbage·collection·the·following·pseudo·code·is·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">if</span><span·class="w">·</span><span·class="p"·data-group-id=" | 182 | <p>When·garbage·collecting·a·heap·(young·or·old)·all·literals·are·left·in·place·and·not·copied.·To·figure·out·if·a·term·should·be·copied·or·not·when·doing·a·garbage·collection·the·following·pseudo·code·is·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">if</span><span·class="w">·</span><span·class="p"·data-group-id="7154743466-1">(</span><span·class="nf">erts_is_literal</span><span·class="p"·data-group-id="7154743466-2">(</span><span·class="ss">ptr</span><span·class="p"·data-group-id="7154743466-2">)</span><span·class="w">·</span><span·class="p">||</span><span·class="[·...·truncated·by·diffoscope;·len:·540,·SHA:·1c9fe7e27229b9738802b542fcfb4c85c232bf74fdc2111678c44c1748060667·...·]6-5">{</span><span·class="w"> |
| 183 | ··</span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">literal</span><span·class="w">·</span><span·class="ow">or</span><span·class="w">·</span><span·class="ss">non</span><span·class="w">·</span><span·class="ss">fullsweep</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="ss">do</span><span·class="w">·</span><span·class="ow">not</span><span·class="w">·</span><span·class="ss">copy</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> | 183 | ··</span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">literal</span><span·class="w">·</span><span·class="ow">or</span><span·class="w">·</span><span·class="ss">non</span><span·class="w">·</span><span·class="ss">fullsweep</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="ss">do</span><span·class="w">·</span><span·class="ow">not</span><span·class="w">·</span><span·class="ss">copy</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> |
| 184 | </span><span·class="p"·data-group-id=" | 184 | </span><span·class="p"·data-group-id="7154743466-5">}</span><span·class="w">·</span><span·class="k">else</span><span·class="w">·</span><span·class="p"·data-group-id="7154743466-6">{</span><span·class="w"> |
| 185 | ··</span><span·class="nf">copy</span><span·class="p"·data-group-id=" | 185 | ··</span><span·class="nf">copy</span><span·class="p"·data-group-id="7154743466-7">(</span><span·class="ss">ptr</span><span·class="p"·data-group-id="7154743466-7">)</span><span·class="p">;</span><span·class="w"> |
| 186 | </span><span·class="p"·data-group-id=" | 186 | </span><span·class="p"·data-group-id="7154743466-6">}</span></code></pre><p>The·<a·href="https://github.com/erlang/otp/blob/OTP-19.0/erts/emulator/beam/global.h#L1452-L1465"><code·class="inline">erts_is_literal</code></a>·check·works·differently·on·different·architectures·and·operating·systems.</p><p>On·64·bit·systems·that·allow·mapping·of·unreserved·virtual·memory·areas·(most·operating·systems·except·Windows),·an·area·of·size·1·GB·(by·default)·is·mapped·and·then·all·literals·are·placed·within·that·area.·Then·all·that·has·to·be·done·to·determine·if·something·is·a·literal·or·not·is·<a·href="https://github.com/erlang/otp/blob/OTP-19.0/erts/emulator/beam/erl_alloc.h#L322-L324">two·quick·pointer·checks</a>.·This·system·relies·on·the·fact·that·a·memory·page·that·has·not·been·touched·yet·does·not·take·any·actual·space.·So·even·if·1·GB·of·virtual·memory·is·mapped,·only·the·memory·which·is·actually·needed·for·literals·is·allocated·in·ram.·The·size·of·the·literal·area·is·configurable·through·the·+MIscs·erts_alloc·option.</p><p>On·32·bit·systems,·there·is·not·enough·virtual·memory·space·to·allocate·1·GB·for·just·literals,·so·instead·small·256·KB·sized·literal·regions·are·created·on·demand·and·a·card·mark·bit-array·of·the·entire·32·bit·memory·space·is·then·used·to·determine·if·a·term·is·a·literal·or·not.·Since·the·total·memory·space·is·only·32·bits,·the·card·mark·bit-array·is·only·256·words·large.·On·a·64·bit·system·the·same·bit-array·would·have·to·be·1·tera·words·large,·so·this·technique·is·only·viable·on·32·bit·systems.·Doing·<a·href="https://github.com/erlang/otp/blob/OTP-19.0/erts/emulator/beam/erl_alloc.h#L316-L319">lookups·in·the·array</a>·is·a·little·more·expensive·then·just·doing·the·pointer·checks·that·can·be·done·in·64·bit·systems,·but·not·extremely·so.</p><p>On·64·bit·windows,·on·which·erts_alloc·cannot·do·unreserved·virtual·memory·mappings,·a·<a·href="https://github.com/erlang/otp/blob/OTP-19.0/erts/emulator/beam/erl_term.h#L59">special·tag</a>·within·the·Erlang·term·object·is·used·to·determine·if·something·<a·href="https://github.com/erlang/otp/blob/OTP-19.0/erts/emulator/beam/erl_term.h#L248-L252">is·a·literal·or·not</a>.·This·is·very·cheap,·however,·the·tag·is·only·available·on·64·bit·machines,·and·it·is·possible·to·do·a·great·deal·of·other·nice·optimizations·with·this·tag·in·the·future·(like·for·instance·a·more·compact·list·implementation)·so·it·is·not·used·on·operating·systems·where·it·is·not·needed.</p><p>This·behaviour·is·different·from·how·it·worked·prior·to·Erlang/OTP·19.0.·Before·19.0·the·literal·check·was·done·by·checking·if·the·pointer·pointed·to·the·young·or·old·heap·block.·If·it·did·not,·then·it·was·considered·a·literal.·This·lead·to·considerable·overhead·and·strange·memory·usage·scenarios,·so·it·was·removed·in·19.0.</p><h2·id="binary-heap"·class="section-heading"> |
| 187 | ··<a·href="#binary-heap"·class="hover-link"> | 187 | ··<a·href="#binary-heap"·class="hover-link"> |
| 188 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 188 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 189 | ··</a> | 189 | ··</a> |
| 190 | ··<span·class="text">Binary·heap</span> | 190 | ··<span·class="text">Binary·heap</span> |
| 191 | </h2> | 191 | </h2> |
| 192 | <p>The·binary·heap·works·as·a·large·object·space·for·binary·terms·that·are·greater·than·64·bytes·(from·now·on·called·off-heap·binaries).·The·binary·heap·is·<a·href="https://en.wikipedia.org/wiki/Reference_counting">reference·counted</a>·and·a·pointer·to·the·off-heap·binary·is·stored·on·the·process·heap.·To·keep·track·of·when·to·decrement·the·reference·counter·of·the·off-heap·binary,·a·linked·list·(the·MSO·-·mark·and·sweep·object·list)·containing·funs·and·externals·as·well·as·off-heap·binaries·is·woven·through·the·heap.·After·a·garbage·collection·is·done,·the·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L2299">MSO·list·is·swept</a>·and·any·off-heap·binary·that·does·not·have·a·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L2325">move·marker</a>·written·into·the·header·words·has·its·reference·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L2344-L2367">decremented·and·is·potentially·freed</a>.</p><p>All·items·in·the·MSO·list·are·ordered·by·the·time·they·were·added·to·the·process·heap,·so·when·doing·a·minor·garbage·collection,·the·MSO·sweeper·only·has·to·sweep·until·it·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L2369">encounters·an·off-heap·binary·that·is·on·the·old·heap</a>.</p><h3·id="virtual-binary-heap"·class="section-heading"> | 192 | <p>The·binary·heap·works·as·a·large·object·space·for·binary·terms·that·are·greater·than·64·bytes·(from·now·on·called·off-heap·binaries).·The·binary·heap·is·<a·href="https://en.wikipedia.org/wiki/Reference_counting">reference·counted</a>·and·a·pointer·to·the·off-heap·binary·is·stored·on·the·process·heap.·To·keep·track·of·when·to·decrement·the·reference·counter·of·the·off-heap·binary,·a·linked·list·(the·MSO·-·mark·and·sweep·object·list)·containing·funs·and·externals·as·well·as·off-heap·binaries·is·woven·through·the·heap.·After·a·garbage·collection·is·done,·the·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L2299">MSO·list·is·swept</a>·and·any·off-heap·binary·that·does·not·have·a·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L2325">move·marker</a>·written·into·the·header·words·has·its·reference·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L2344-L2367">decremented·and·is·potentially·freed</a>.</p><p>All·items·in·the·MSO·list·are·ordered·by·the·time·they·were·added·to·the·process·heap,·so·when·doing·a·minor·garbage·collection,·the·MSO·sweeper·only·has·to·sweep·until·it·<a·href="https://github.com/erlang/otp/blob/OTP-18.0/erts/emulator/beam/erl_gc.c#L2369">encounters·an·off-heap·binary·that·is·on·the·old·heap</a>.</p><h3·id="virtual-binary-heap"·class="section-heading"> |
| 193 | ··<a·href="#virtual-binary-heap"·class="hover-link"> | 193 | ··<a·href="#virtual-binary-heap"·class="hover-link"> |
| Offset 262, 15 lines modified | Offset 262, 15 lines modified | ||
| 262 | ······<p·class="built-using"> | 262 | ······<p·class="built-using"> |
| 263 | ········Built·using | 263 | ········Built·using |
| 264 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 264 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 265 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 265 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 266 | ······</p> | 266 | ······</p> |
| 267 | <p>Copyright·©·1996-202 | 267 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 268 | ····</footer> | 268 | ····</footer> |
| 269 | ··</div> | 269 | ··</div> |
| 270 | </main> | 270 | </main> |
| 271 | </div> | 271 | </div> |
| 272 | <script> | 272 | <script> |
| 273 | ··function·mermaidLoaded()·{ | 273 | ··function·mermaidLoaded()·{ |
| 274 | ····mermaid.initialize({ | 274 | ····mermaid.initialize({ |
| Offset 161, 108 lines modified | Offset 161, 108 lines modified | ||
| 161 | configuration·files·(or·system·registry):</p><ul><li>Hostnames·and·host·addresses</li><li>Domain·name</li><li>Nameservers</li><li>Search·domains</li><li>Lookup·method</li></ul><p>This·data·can·also·be·specified·explicitly·in·the·user·configuration·file.·This | 161 | configuration·files·(or·system·registry):</p><ul><li>Hostnames·and·host·addresses</li><li>Domain·name</li><li>Nameservers</li><li>Search·domains</li><li>Lookup·method</li></ul><p>This·data·can·also·be·specified·explicitly·in·the·user·configuration·file.·This |
| 162 | file·is·to·contain·lines·of·configuration·parameters·(each·terminated·with·a | 162 | file·is·to·contain·lines·of·configuration·parameters·(each·terminated·with·a |
| 163 | full·stop).·Some·parameters·add·data·to·the·configuration·(such·as·host·and | 163 | full·stop).·Some·parameters·add·data·to·the·configuration·(such·as·host·and |
| 164 | nameserver),·others·overwrite·any·previous·settings·(such·as·domain·and·lookup). | 164 | nameserver),·others·overwrite·any·previous·settings·(such·as·domain·and·lookup). |
| 165 | The·user·configuration·file·is·always·examined·last·in·the·configuration | 165 | The·user·configuration·file·is·always·examined·last·in·the·configuration |
| 166 | process,·making·it·possible·for·the·user·to·override·any·default·values·or | 166 | process,·making·it·possible·for·the·user·to·override·any·default·values·or |
| 167 | previously·made·settings.·Call·<code·class="inline">inet:get_rc()</code>·to·view·the·state·of·the·<code·class="inline">inet</code> | 167 | previously·made·settings.·Call·<code·class="inline">inet:get_rc()</code>·to·view·the·state·of·the·<code·class="inline">inet</code> |
| 168 | configuration·database.</p><p>The·valid·configuration·parameters·are·as·follows:</p><ul><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 168 | configuration·database.</p><p>The·valid·configuration·parameters·are·as·follows:</p><ul><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1533078056-1">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Format</span><span·class="p">,</span><span·class="w">·</span><span·class="n">File</span><span·class="p"·data-group-id="1533078056-1">}</span><span·class="p">.</span><span·class="w"> |
| 169 | ··</span><span·class="n">Format</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 169 | ··</span><span·class="n">Format</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="1533078056-2">(</span><span·class="p"·data-group-id="1533078056-2">)</span><span·class="w"> |
| 170 | ··</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 170 | ··</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="1533078056-3">(</span><span·class="p"·data-group-id="1533078056-3">)</span></code></pre><p>Specify·a·system·file·that·Erlang·is·to·read·configuration·data·from.·<code·class="inline">Format</code> |
| 171 | tells·the·parser·how·the·file·is·to·be·interpreted:</p><ul><li><code·class="inline">resolv</code>·(Unix·resolv.conf)</li><li><code·class="inline">host_conf_freebsd</code>·(FreeBSD·host.conf)</li><li><code·class="inline">host_conf_bsdos</code>·(BSDOS·host.conf)</li><li><code·class="inline">host_conf_linux</code>·(Linux·host.conf)</li><li><code·class="inline">nsswitch_conf</code>·(Unix·nsswitch.conf)</li><li><code·class="inline">hosts</code>·(Unix·hosts)</li></ul><p><code·class="inline">File</code>·is·to·specify·the·filename·with·full·path.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 171 | tells·the·parser·how·the·file·is·to·be·interpreted:</p><ul><li><code·class="inline">resolv</code>·(Unix·resolv.conf)</li><li><code·class="inline">host_conf_freebsd</code>·(FreeBSD·host.conf)</li><li><code·class="inline">host_conf_bsdos</code>·(BSDOS·host.conf)</li><li><code·class="inline">host_conf_linux</code>·(Linux·host.conf)</li><li><code·class="inline">nsswitch_conf</code>·(Unix·nsswitch.conf)</li><li><code·class="inline">hosts</code>·(Unix·hosts)</li></ul><p><code·class="inline">File</code>·is·to·specify·the·filename·with·full·path.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6846838233-1">{</span><span·class="ss">resolv_conf</span><span·class="p">,</span><span·class="w">·</span><span·class="n">File</span><span·class="p"·data-group-id="6846838233-1">}</span><span·class="p">.</span><span·class="w"> |
| 172 | ··</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 172 | ··</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="6846838233-2">(</span><span·class="p"·data-group-id="6846838233-2">)</span></code></pre><p>Specify·a·system·file·that·Erlang·is·to·read·resolver·configuration·from·for |
| 173 | the·internal·DNS·client·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>,·and·monitor·for·changes,·even·if·it·does | 173 | the·internal·DNS·client·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>,·and·monitor·for·changes,·even·if·it·does |
| 174 | not·exist.·The·path·must·be·absolute.</p><p>This·can·override·the·configuration·parameters·<code·class="inline">nameserver</code>·and·<code·class="inline">search</code> | 174 | not·exist.·The·path·must·be·absolute.</p><p>This·can·override·the·configuration·parameters·<code·class="inline">nameserver</code>·and·<code·class="inline">search</code> |
| 175 | depending·on·the·contents·of·the·specified·file.·They·can·also·change·any·time | 175 | depending·on·the·contents·of·the·specified·file.·They·can·also·change·any·time |
| 176 | in·the·future·reflecting·the·file·contents.</p><p>If·the·file·is·specified·as·an·empty·string·<code·class="inline">""</code>,·no·file·is·read·or·monitored | 176 | in·the·future·reflecting·the·file·contents.</p><p>If·the·file·is·specified·as·an·empty·string·<code·class="inline">""</code>,·no·file·is·read·or·monitored |
| 177 | in·the·future.·This·emulates·the·old·behavior·of·not·configuring·the·DNS | 177 | in·the·future.·This·emulates·the·old·behavior·of·not·configuring·the·DNS |
| 178 | client·when·the·node·is·started·in·short·name·distributed·mode.</p><p>If·this·parameter·is·not·specified,·it·defaults·to·<code·class="inline">/etc/resolv.conf</code>·unless | 178 | client·when·the·node·is·started·in·short·name·distributed·mode.</p><p>If·this·parameter·is·not·specified,·it·defaults·to·<code·class="inline">/etc/resolv.conf</code>·unless |
| 179 | environment·variable·<code·class="inline">ERL_INET_ETC_DIR</code>·is·set,·which·defines·the·directory | 179 | environment·variable·<code·class="inline">ERL_INET_ETC_DIR</code>·is·set,·which·defines·the·directory |
| 180 | for·this·file·to·some·maybe·other·than·<code·class="inline">/etc</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 180 | for·this·file·to·some·maybe·other·than·<code·class="inline">/etc</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8352639659-1">{</span><span·class="ss">hosts_file</span><span·class="p">,</span><span·class="w">·</span><span·class="n">File</span><span·class="p"·data-group-id="8352639659-1">}</span><span·class="p">.</span><span·class="w"> |
| 181 | ··</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 181 | ··</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="8352639659-2">(</span><span·class="p"·data-group-id="8352639659-2">)</span></code></pre><p>Specify·a·system·file·that·Erlang·is·to·read·resolver·configuration·from·for |
| 182 | the·internal·hosts·file·resolver,·and·monitor·for·changes,·even·if·it·does·not | 182 | the·internal·hosts·file·resolver,·and·monitor·for·changes,·even·if·it·does·not |
| 183 | exist.·The·path·must·be·absolute.</p><p>These·host·entries·are·searched·after·all·added·with·<code·class="inline">{file,·hosts,·File}</code> | 183 | exist.·The·path·must·be·absolute.</p><p>These·host·entries·are·searched·after·all·added·with·<code·class="inline">{file,·hosts,·File}</code> |
| 184 | above·or·<code·class="inline">{host,·IP,·Aliases}</code>·below·when·lookup·option·<code·class="inline">file</code>·is·used.</p><p>If·the·file·is·specified·as·an·empty·string·<code·class="inline">""</code>,·no·file·is·read·or·monitored | 184 | above·or·<code·class="inline">{host,·IP,·Aliases}</code>·below·when·lookup·option·<code·class="inline">file</code>·is·used.</p><p>If·the·file·is·specified·as·an·empty·string·<code·class="inline">""</code>,·no·file·is·read·or·monitored |
| 185 | in·the·future.·This·emulates·the·old·behavior·of·not·configuring·the·DNS | 185 | in·the·future.·This·emulates·the·old·behavior·of·not·configuring·the·DNS |
| 186 | client·when·the·node·is·started·in·short·name·distributed·mode.</p><p>If·this·parameter·is·not·specified,·it·defaults·to·<code·class="inline">/etc/hosts</code>·unless | 186 | client·when·the·node·is·started·in·short·name·distributed·mode.</p><p>If·this·parameter·is·not·specified,·it·defaults·to·<code·class="inline">/etc/hosts</code>·unless |
| 187 | environment·variable·<code·class="inline">ERL_INET_ETC_DIR</code>·is·set,·which·defines·the·directory | 187 | environment·variable·<code·class="inline">ERL_INET_ETC_DIR</code>·is·set,·which·defines·the·directory |
| 188 | for·this·file·to·some·maybe·other·than·<code·class="inline">/etc</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 188 | for·this·file·to·some·maybe·other·than·<code·class="inline">/etc</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6805951981-1">{</span><span·class="ss">registry</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Type</span><span·class="p"·data-group-id="6805951981-1">}</span><span·class="p">.</span><span·class="w"> |
| 189 | ··</span><span·class="n">Type</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 189 | ··</span><span·class="n">Type</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="6805951981-2">(</span><span·class="p"·data-group-id="6805951981-2">)</span></code></pre><p>Specify·a·system·registry·that·Erlang·is·to·read·configuration·data·from. |
| 190 | <code·class="inline">win32</code>·is·the·only·valid·option.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0 | 190 | <code·class="inline">win32</code>·is·the·only·valid·option.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0504419557-1">{</span><span·class="ss">host</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IP</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Aliases</span><span·class="p"·data-group-id="0504419557-1">}</span><span·class="p">.</span><span·class="w"> |
| 191 | ··</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">tuple</span><span·class="p"·data-group-id="0285305059-2">(</span><span·class="p"·data-group-id="0285305059-2">)</span></code></pre><p><code·class="inline">Aliases·=·[string()]</code></p><p>Add·host·entry·to·the·hosts·table.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1895743176-1">{</span><span·class="ss">domain</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Domain</span><span·class="p"·data-group-id="1895743176-1">}</span><span·class="p">.</span><span·class="w"> | ||
| 192 | ··</span><span·class="n"> | 191 | ··</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">tuple</span><span·class="p"·data-group-id="0504419557-2">(</span><span·class="p"·data-group-id="0504419557-2">)</span></code></pre><p><code·class="inline">Ali[·...·truncated·by·diffoscope;·len:·327,·SHA:·ab431f29e6af5698495433e1bc046f6f7fa0374de02b198a8afd351d9cc329f7·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 192 | ··</span><span·class="n">Domain</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="9816995507-2">(</span><span·class="p"·data-group-id="9816995507-2">)</span></code></pre><p>Set·domain·name.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5184167128-1">{</span><span·class="ss">nameserver</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IP</span><span·class="w">·</span><span·class="p"·data-group-id="5184167128-2">[</span><span·class="p">,</span><span·class="n">Port</span><span·class="p"·data-group-id="5184167128-2">]</span><span·class="p"·data-group-id="5184167128-1">}</span><span·class="p">.</span><span·class="w"> | ||
| 193 | ··</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">tuple</span><span·class="p"·data-group-id="5184167128-3">(</span><span·class="p"·data-group-id="5184167128-3">)</span><span·class="w"> | ||
| 194 | ··</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5184167128-4">(</span><span·class="p"·data-group-id="5184167128-4">)</span></code></pre><p>Add·address·(and·port,·if·other·than·default)·of·the·primary·nameserver·to·use | ||
| 195 | for·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5498737763-1">{</span><span·class="ss">alt_nameserver</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IP</span><span·class="w">·</span><span·class="p"·data-group-id="5498737763-2">[</span><span·class="p">,</span><span·class="n">Port</span><span·class="p"·data-group-id="5498737763-2">]</span><span·class="p"·data-group-id="5498737763-1">}</span><span·class="p">.</span><span·class="w"> | ||
| 193 | ··</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">tuple</span><span·class="p"·data-group-id=" | 196 | ··</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">tuple</span><span·class="p"·data-group-id="5498737763-3">(</span><span·class="p"·data-group-id="5498737763-3">)</span><span·class="w"> |
| 197 | ··</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5498737763-4">(</span><span·class="p"·data-group-id="5498737763-4">)</span></code></pre><p>Add·address·(and·port,·if·other·than·default)·of·the·secondary·nameserver·for | ||
| 198 | <a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0150326628-1">{</span><span·class="ss">search</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Domains</span><span·class="p"·data-group-id="0150326628-1">}</span><span·class="p">.</span><span·class="w"> | ||
| 194 | ··</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="1879296102-4">(</span><span·class="p"·data-group-id="1879296102-4">)</span></code></pre><p>Add·address·(and·port,·if·other·than·default)·of·the·primary·nameserver·to·use | ||
| 195 | for·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4208965120-1">{</span><span·class="ss">alt_nameserver</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IP</span><span·class="w">·</span><span·class="p"·data-group-id="4208965120-2">[</span><span·class="p">,</span><span·class="n">Port</span><span·class="p"·data-group-id="4208965120-2">]</span><span·class="p"·data-group-id="4208965120-1">}</span><span·class="p">.</span><span·class="w"> | ||
| 196 | ··</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">tuple</span><span·class="p"·data-group-id="4208965120-3">(</span><span·class="p"·data-group-id="4208965120-3">)</span><span·class="w"> | ||
| 197 | ··</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="4208965120-4">(</span><span·class="p"·data-group-id="4208965120-4">)</span></code></pre><p>Add·address·(and·port,·if·other·than·default)·of·the·secondary·nameserver·for | ||
| 198 | <a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3246268661-1">{</span><span·class="ss">search</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Domains</span><span·class="p"·data-group-id="3246268661-1">}</span><span·class="p">.</span><span·class="w"> | ||
| 199 | ··</span><span·class="n">Domains</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 199 | ··</span><span·class="n">Domains</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0150326628-2">[</span><span·class="nf">string</span><span·class="p"·data-group-id="0150326628-3">(</span><span·class="p"·data-group-id="0150326628-3">)</span><span·class="p"·data-group-id="0150326628-2">]</span></code></pre><p>Add·search·domains·for·<a·hre[·...·truncated·by·diffoscope;·len:·358,·SHA:·4deab72776136079d1be8498e5f56ce9b591f474a443761d86285aea709d0918·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 200 | ··</span><span·class="n">Methods</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 200 | ··</span><span·class="n">Methods</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8603611599-2">[</span><span·class="nf">atom</span><span·class="p"·data-group-id="8603611599-3">(</span><span·class="p"·data-group-id="8603611599-3">)</span><span·class="p"·data-group-id="8603611599-2">]</span></code></pre><p>Specify·lookup·methods·and·in·which·order·to·try·them.·The·valid·methods·are |
| 201 | as·follows:</p><ul><li><code·class="inline">native</code>·(use·system·calls)</li><li><code·class="inline">file</code>·(use·host·data·retrieved·from·system·configuration·files·and/or·the | 201 | as·follows:</p><ul><li><code·class="inline">native</code>·(use·system·calls)</li><li><code·class="inline">file</code>·(use·host·data·retrieved·from·system·configuration·files·and/or·the |
| 202 | user·configuration·file)</li><li><code·class="inline">dns</code>·(use·the·Erlang·DNS·client·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·for·nameserver·queries)</li></ul><p>The·lookup·method·<code·class="inline">string</code>·tries·to·parse·the·hostname·as·an·IPv4·or·IPv6 | 202 | user·configuration·file)</li><li><code·class="inline">dns</code>·(use·the·Erlang·DNS·client·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·for·nameserver·queries)</li></ul><p>The·lookup·method·<code·class="inline">string</code>·tries·to·parse·the·hostname·as·an·IPv4·or·IPv6 |
| 203 | string·and·return·the·resulting·IP·address.·It·is·automatically·tried·first | 203 | string·and·return·the·resulting·IP·address.·It·is·automatically·tried·first |
| 204 | when·<code·class="inline">native</code>·is·<em>not</em>·in·the·<code·class="inline">Methods</code>·list.·To·skip·it·in·this·case,·the | 204 | when·<code·class="inline">native</code>·is·<em>not</em>·in·the·<code·class="inline">Methods</code>·list.·To·skip·it·in·this·case,·the |
| 205 | pseudo·lookup·method·<code·class="inline">nostring</code>·can·be·inserted·anywhere·in·the·<code·class="inline">Methods</code> | 205 | pseudo·lookup·method·<code·class="inline">nostring</code>·can·be·inserted·anywhere·in·the·<code·class="inline">Methods</code> |
| 206 | list.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 206 | list.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5117006514-1">{</span><span·class="ss">cache_size</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Size</span><span·class="p"·data-group-id="5117006514-1">}</span><span·class="p">.</span><span·class="w"> |
| 207 | ··</span><span·class="n">Size</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 207 | ··</span><span·class="n">Size</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5117006514-2">(</span><span·class="p"·data-group-id="5117006514-2">)</span></code></pre><p>Set·the·resolver·cache·size·for·<code·class="inline">dns</code>·lookups.·<code·class="inline">native</code>·lookups·are·not |
| 208 | cached.·Defaults·to·100·DNS·records.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 208 | cached.·Defaults·to·100·DNS·records.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8775266800-1">{</span><span·class="ss">cache_refresh</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Time</span><span·class="p"·data-group-id="8775266800-1">}</span><span·class="p">.</span><span·class="w"> |
| 209 | ··</span><span·class="n">Time</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 209 | ··</span><span·class="n">Time</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="8775266800-2">(</span><span·class="p"·data-group-id="8775266800-2">)</span></code></pre><p>Set·how·often·(in·milliseconds)·the·resolver·cache·for·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·is |
| 210 | refreshed·(that·is,·expired·DNS·records·are·deleted).·Defaults·to·1·hour.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 210 | refreshed·(that·is,·expired·DNS·records·are·deleted).·Defaults·to·1·hour.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4567916360-1">{</span><span·class="ss">timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Time</span><span·class="p"·data-group-id="4567916360-1">}</span><span·class="p">.</span><span·class="w"> |
| 211 | ··</span><span·class="n">Time</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 211 | ··</span><span·class="n">Time</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="4567916360-2">(</span><span·class="p"·data-group-id="4567916360-2">)</span></code></pre><p>Set·the·time·to·wait·until·retry·(in·milliseconds)·for·DNS·queries·made·by |
| 212 | <a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>.·Defaults·to·2·seconds.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 212 | <a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>.·Defaults·to·2·seconds.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0063163850-1">{</span><span·class="ss">retry</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p"·data-group-id="0063163850-1">}</span><span·class="p">.</span><span·class="w"> |
| 213 | ··</span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 213 | ··</span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="0063163850-2">(</span><span·class="p"·data-group-id="0063163850-2">)</span></code></pre><p>Set·the·number·of·DNS·queries·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·will·try·before·giving·up.·Defaults |
| 214 | to·3.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 214 | to·3.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0390156783-1">{</span><span·class="ss">servfail_retry_timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Time</span><span·class="p"·data-group-id="0390156783-1">}</span><span·class="p">.</span><span·class="w"> |
| 215 | ··</span><span·class="n">Time</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">non_neg_integer</span><span·class="p"·data-group-id=" | 215 | ··</span><span·class="n">Time</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">non_neg_integer</span><span·class="p"·data-group-id="0390156783-2">(</span><span·class="p"·data-group-id="0390156783-2">)</span></code></pre><p>After·all·name·servers·have·been·tried,·there·is·a·timeout·before·the·name |
| 216 | servers·are·tried·again.·This·is·to·prevent·the·server·from·answering·the | 216 | servers·are·tried·again.·This·is·to·prevent·the·server·from·answering·the |
| 217 | query·with·what's·in·the·servfail·cache, | 217 | query·with·what's·in·the·servfail·cache, |
| 218 | <a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html#servfail_retry_timeout"><code·class="inline">inet_res</code></a>.·Defaults·to·1500·milli | 218 | <a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html#servfail_retry_timeout"><code·class="inline">inet_res</code></a>.·Defaults·to·1500·milli |
| 219 | seconds·.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 219 | seconds·.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7457648321-1">{</span><span·class="ss">inet6</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bool</span><span·class="p"·data-group-id="7457648321-1">}</span><span·class="p">.</span><span·class="w"> |
| 220 | ··</span><span·class="n">Bool</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span></code></pre><p>Tells·the·DNS·client·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·to·look·up·IPv6·addresses.·Defaults·to | 220 | ··</span><span·class="n">Bool</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span></code></pre><p>Tells·the·DNS·client·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·to·look·up·IPv6·addresses.·Defaults·to |
| 221 | <code·class="inline">false</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 221 | <code·class="inline">false</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0453243128-1">{</span><span·class="ss">usevc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bool</span><span·class="p"·data-group-id="0453243128-1">}</span><span·class="p">.</span><span·class="w"> |
| 222 | ··</span><span·class="n">Bool</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span></code></pre><p>Tells·the·DNS·client·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·to·use·TCP·(Virtual·Circuit)·instead·of·UDP. | 222 | ··</span><span·class="n">Bool</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span></code></pre><p>Tells·the·DNS·client·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·to·use·TCP·(Virtual·Circuit)·instead·of·UDP. |
| 223 | Defaults·to·<code·class="inline">false</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="81 | 223 | Defaults·to·<code·class="inline">false</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8912284968-1">{</span><span·class="ss">edns</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Version</span><span·class="p"·data-group-id="8912284968-1">}</span><span·class="p">.</span><span·class="w"> |
| 224 | ··</span><span·class="n">Version</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="mi">0</span></code></pre><p>Sets·the·EDNS·version·that·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·will·use.·The·only·allowed·version·is | 224 | ··</span><span·class="n">Version</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="mi">0</span></code></pre><p>Sets·the·EDNS·version·that·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·will·use.·The·only·allowed·version·is |
| 225 | zero.·Defaults·to·<code·class="inline">false</code>,·which·means·not·to·use·EDNS.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 225 | zero.·Defaults·to·<code·class="inline">false</code>,·which·means·not·to·use·EDNS.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6653884369-1">{</span><span·class="ss">udp_payload_size</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Size</span><span·class="p"·data-group-id="6653884369-1">}</span><span·class="p">.</span><span·class="w"> |
| 226 | ··</span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 226 | ··</span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="6653884369-2">(</span><span·class="p"·data-group-id="6653884369-2">)</span></code></pre><p>Sets·the·allowed·UDP·payload·size·<a·href="../../../lib/kernel-10.2.3/doc/html/inet_res.html"><code·class="inline">inet_res</code></a>·will·advertise·in·EDNS·queries. |
| 227 | Also·sets·the·limit·when·the·DNS·query·will·be·deemed·too·large·for·UDP | 227 | Also·sets·the·limit·when·the·DNS·query·will·be·deemed·too·large·for·UDP |
| 228 | forcing·a·TCP·query·instead;·this·is·not·entirely·correct,·as·the·advertised | 228 | forcing·a·TCP·query·instead;·this·is·not·entirely·correct,·as·the·advertised |
| 229 | UDP·payload·size·of·the·individual·nameserver·is·what·is·to·be·used,·but·this | 229 | UDP·payload·size·of·the·individual·nameserver·is·what·is·to·be·used,·but·this |
| 230 | simple·strategy·will·do·until·a·more·intelligent·(probing,·caching)·algorithm | 230 | simple·strategy·will·do·until·a·more·intelligent·(probing,·caching)·algorithm |
| 231 | needs·to·be·implemented.·Default·to·1280,·which·stems·from·the·standard | 231 | needs·to·be·implemented.·Default·to·1280,·which·stems·from·the·standard |
| 232 | Ethernet·MTU·size.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 232 | Ethernet·MTU·size.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1702580368-1">{</span><span·class="ss">udp</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p"·data-group-id="1702580368-1">}</span><span·class="p">.</span><span·class="w"> |
| 233 | ··</span><span·class="n">Module</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 233 | ··</span><span·class="n">Module</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="1702580368-2">(</span><span·class="p"·data-group-id="1702580368-2">)</span></code></pre><p>Tell·Erlang·to·use·another·primitive·UDP·module·than·<code·class="inline">inet_udp</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="p[·...·truncated·by·diffoscope;·len:·184,·SHA:·3809ded61efb4b04710ab60d147c0b21eb427c05a38594e22ad5af06d4ccdd40·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 234 | ··</span><span·class="n">Module</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 234 | ··</span><span·class="n">Module</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="8010188919-2">(</span><span·class="p"·data-group-id="8010188919-2">)</span></code></pre><p>Tell·Erlang·to·use·another·primitive·TCP·module·than·<code·class="inline">inet_tcp</code>.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">clear_hosts</span><span·class="p">.</span></code></pre><p>Clear·the·hosts·table.</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">clear_ns</span><span·class="p">.</span></code></pre><p>Clear·the·list·of·recorded·nameservers·(primary·and·secondary).</p></li><li><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">clear_search</span><span·class="p">.</span></code></pre><p>Clear·the·list·of·search·domains.</p></li></ul><h2·id="user-configuration-example"·class="section-heading"> |
| 235 | ··<a·href="#user-configuration-example"·class="hover-link"> | 235 | ··<a·href="#user-configuration-example"·class="hover-link"> |
| 236 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 236 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 237 | ··</a> | 237 | ··</a> |
| 238 | ··<span·class="text">User·Configuration·Example</span> | 238 | ··<span·class="text">User·Configuration·Example</span> |
| 239 | </h2> | 239 | </h2> |
| 240 | <p>Assume·that·a·user·does·not·want·Erlang·to·use·the·native·lookup·method,·but | 240 | <p>Assume·that·a·user·does·not·want·Erlang·to·use·the·native·lookup·method,·but |
| 241 | wants·Erlang·to·read·all·information·necessary·from·start·and·use·that·for | 241 | wants·Erlang·to·read·all·information·necessary·from·start·and·use·that·for |
| 242 | resolving·names·and·addresses.·If·lookup·fails,·Erlang·is·to·request·the·data | 242 | resolving·names·and·addresses.·If·lookup·fails,·Erlang·is·to·request·the·data |
| 243 | from·a·nameserver·(using·the·Erlang·DNS·client,·set·to·use·EDNS·allowing·larger | 243 | from·a·nameserver·(using·the·Erlang·DNS·client,·set·to·use·EDNS·allowing·larger |
| 244 | responses).·The·resolver·configuration·is·updated·when·its·configuration·file | 244 | responses).·The·resolver·configuration·is·updated·when·its·configuration·file |
| 245 | changes.·Also,·DNS·records·are·never·to·be·cached.·The·user·configuration·file | 245 | changes.·Also,·DNS·records·are·never·to·be·cached.·The·user·configuration·file |
| 246 | (in·this·example·named·<code·class="inline">erl_inetrc</code>,·stored·in·directory·<code·class="inline">./cfg_files</code>)·can·then | 246 | (in·this·example·named·<code·class="inline">erl_inetrc</code>,·stored·in·directory·<code·class="inline">./cfg_files</code>)·can·then |
| 247 | look·as·follows·(Unix):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·--·ERLANG·INET·CONFIGURATION·FILE·--</span><span·class="w"> | 247 | look·as·follows·(Unix):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·--·ERLANG·INET·CONFIGURATION·FILE·--</span><span·class="w"> |
| 248 | </span><span·class="c1">%%·read·the·hosts·file</span><span·class="w"> | 248 | </span><span·class="c1">%%·read·the·hosts·file</span><span·class="w"> |
| 249 | </span><span·class="p"·data-group-id=" | 249 | </span><span·class="p"·data-group-id="5578479071-1">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">hosts</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/etc/hosts"</span><span·class="p"·data-group-id="55784[·...·truncated·by·diffoscope;·len:·5,·SHA:·f12511e445b69c714216ab807bc671ef15c103fe6bc5ec85923b9eb22d1a689e·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 250 | </span><span·class="c1">%%·add·a·particular·host</span><span·class="w"> | 250 | </span><span·class="c1">%%·add·a·particular·host</span><span·class="w"> |
| 251 | </span><span·class="p"·data-group-id=" | 251 | </span><span·class="p"·data-group-id="5578479071-2">{</span><span·class="ss">host</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5578479071-3">{</span><span·class="mi">134</span><span·class="p">,</span><span·class="mi">138</span><span·class="p">,</span><sp[·...·truncated·by·diffoscope;·len:·363,·SHA:·3311871f0dd00b858cbe6f14e749dbc785f2130302ae5dda376a387cf384582d·...·]-2">}</span><span·class="p">.</span><span·class="w"> |
| 252 | </span><span·class="c1">%%·do·not·monitor·the·hosts·file</span><span·class="w"> | 252 | </span><span·class="c1">%%·do·not·monitor·the·hosts·file</span><span·class="w"> |
| 253 | </span><span·class="p"·data-group-id=" | 253 | </span><span·class="p"·data-group-id="5578479071-5">{</span><span·class="ss">hosts_file</span><span·class="p">,</span><span·class="w">·</span><span·class="s">""</span><span·class="p"·data-group-id="5578479071-5">}</span><span·class="p">.</span><span·class="w"> |
| 254 | </span><span·class="c1">%%·read·and·monitor·nameserver·config·from·here</span><span·class="w"> | 254 | </span><span·class="c1">%%·read·and·monitor·nameserver·config·from·here</span><span·class="w"> |
| 255 | </span><span·class="p"·data-group-id=" | 255 | </span><span·class="p"·data-group-id="5578479071-6">{</span><span·class="ss">resolv_conf</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/usr/local/etc/resolv.conf"</span><span·class="p"·data-group-id="5578479071-6">}</span><span·class="p">.</span><span·class="w"> |
| 256 | </span><span·class="c1">%%·enable·EDNS</span><span·class="w"> | 256 | </span><span·class="c1">%%·enable·EDNS</span><span·class="w"> |
| 257 | </span><span·class="p"·data-group-id=" | 257 | </span><span·class="p"·data-group-id="5578479071-7">{</span><span·class="ss">edns</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="5578479071-7">}</span><span·class="p">.</span><span·class="w"> |
| 258 | </span><span·class="c1">%%·disable·caching</span><span·class="w"> | 258 | </span><span·class="c1">%%·disable·caching</span><span·class="w"> |
| 259 | </span><span·class="p"·data-group-id=" | 259 | </span><span·class="p"·data-group-id="5578479071-8">{</span><span·class="ss">cache_size</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="5578479071-8">}</span><span·class="p">.</span><span·class="w"> |
| 260 | </span><span·class="c1">%%·specify·lookup·method</span><span·class="w"> | 260 | </span><span·class="c1">%%·specify·lookup·method</span><span·class="w"> |
| 261 | </span><span·class="p"·data-group-id=" | 261 | </span><span·class="p"·data-group-id="5578479071-9">{</span><span·class="ss">lookup</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5578479071-10">[</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">dns</span[·...·truncated·by·diffoscope;·len:·96,·SHA:·90b332e70567bde2c02318691b9995c54f2d4a1bbdd00d1ef081be889c8b9070·...·]-9">}</span><span·class="p">.</span></code></pre><p>And·Erlang·can,·for·example,·be·started·as·follows:</p><pre><code·class="text">%·erl·-sname·my_node·-kernel·inetrc·'"./cfg_files/erl_inetrc"'</code></pre> |
| 262 | </div> | 262 | </div> |
| 263 | <div·class="bottom-actions"·id="bottom-actions"> | 263 | <div·class="bottom-actions"·id="bottom-actions"> |
| 264 | ··<div·class="bottom-actions-item"> | 264 | ··<div·class="bottom-actions-item"> |
| 265 | ······<a·href="driver.html"·class="bottom-actions-button"·rel="prev"> | 265 | ······<a·href="driver.html"·class="bottom-actions-button"·rel="prev"> |
| 266 | ········<span·class="subheader"> | 266 | ········<span·class="subheader"> |
| Offset 301, 15 lines modified | Offset 301, 15 lines modified | ||
| 301 | ······<p·class="built-using"> | 301 | ······<p·class="built-using"> |
| 302 | ········Built·using | 302 | ········Built·using |
| 303 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 303 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 304 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 304 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 305 | ······</p> | 305 | ······</p> |
| 306 | <p>Copyright·©·1996-202 | 306 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 307 | ····</footer> | 307 | ····</footer> |
| 308 | ··</div> | 308 | ··</div> |
| 309 | </main> | 309 | </main> |
| 310 | </div> | 310 | </div> |
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| 157 | BF</code></pre><p>If·multiple·<code·class="inline">-eval</code>·expressions·are·specified,·they·are·evaluated·sequentially | 157 | BF</code></pre><p>If·multiple·<code·class="inline">-eval</code>·expressions·are·specified,·they·are·evaluated·sequentially |
| 158 | in·the·order·specified.·<code·class="inline">-eval</code>·expressions·are·evaluated·sequentially·with | 158 | in·the·order·specified.·<code·class="inline">-eval</code>·expressions·are·evaluated·sequentially·with |
| 159 | <code·class="inline">-s</code>·and·<code·class="inline">-run</code>·function·calls·(this·also·in·the·order·specified).·As·with | 159 | <code·class="inline">-s</code>·and·<code·class="inline">-run</code>·function·calls·(this·also·in·the·order·specified).·As·with |
| 160 | <code·class="inline">-s</code>·and·<code·class="inline">-run</code>,·an·evaluation·that·does·not·terminate·blocks·the·system | 160 | <code·class="inline">-s</code>·and·<code·class="inline">-run</code>,·an·evaluation·that·does·not·terminate·blocks·the·system |
| 161 | initialization·process.</p></li><li><p><strong><code·class="inline">-extra</code></strong>·-·Everything·following·<code·class="inline">-extra</code>·is·considered·plain·arguments·and | 161 | initialization·process.</p></li><li><p><strong><code·class="inline">-extra</code></strong>·-·Everything·following·<code·class="inline">-extra</code>·is·considered·plain·arguments·and |
| 162 | can·be·retrieved·using·<a·href="#get_plain_arguments/0"><code·class="inline">get_plain_arguments/0</code></a>.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-extra·+A·1·--</span><span·class="w"> | 162 | can·be·retrieved·using·<a·href="#get_plain_arguments/0"><code·class="inline">get_plain_arguments/0</code></a>.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-extra·+A·1·--</span><span·class="w"> |
| 163 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> | 163 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 164 | 1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_plain_arguments</span><span·class="p"·data-group-id=" | 164 | 1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_plain_arguments</span><span·class="p"·data-group-id="9797199928-1">(</span><span·class="p"·data-group-id="9797199928-1">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="p"·data-group-id=" | 165 | </span><span·class="p"·data-group-id="9797199928-2">[</span><span·class="s">"+A"</span><span·class="p">,</span><span·class="s">"1"</span><span·class="p">,</span><span·class="s">"--"</span><span·class="p"·data-group-id="9797199928-2">]</span></code></pre><p>The·<code·class="inline">-extra</code>·flag·can·be·passed·on·the·command·line,·through·<code·class="inline">ERL_*FLAGS</code>·or |
| 166 | <code·class="inline">-args_file</code>.·It·only·effects·the·remaining·command-line·flags·in·the·entity | 166 | <code·class="inline">-args_file</code>.·It·only·effects·the·remaining·command-line·flags·in·the·entity |
| 167 | in·which·it·is·passed.·If·multiple·<code·class="inline">-extra</code>·flags·are·passed·they·are | 167 | in·which·it·is·passed.·If·multiple·<code·class="inline">-extra</code>·flags·are·passed·they·are |
| 168 | concatenated·using·the·same·order·rules·as·<code·class="inline">ERL_*FLAGS</code>·or·<code·class="inline">-args_file</code>·in | 168 | concatenated·using·the·same·order·rules·as·<code·class="inline">ERL_*FLAGS</code>·or·<code·class="inline">-args_file</code>·in |
| 169 | which·they·are·given.</p><p>Example:</p><pre><code·class="text">%·ERL_AFLAGS="-extra·a"·ERL_ZFLAGS="-extra·d"·erl·-extra·b·-extra·c | 169 | which·they·are·given.</p><p>Example:</p><pre><code·class="text">%·ERL_AFLAGS="-extra·a"·ERL_ZFLAGS="-extra·d"·erl·-extra·b·-extra·c |
| 170 | ... | 170 | ... |
| 171 | 1>·init:get_plain_arguments(). | 171 | 1>·init:get_plain_arguments(). |
| 172 | ["a","b","-extra","c","d"]</code></pre></li><li><p><strong><code·class="inline">-S·Mod·[Func·[Arg1,·Arg2,·...]]</code></strong>·-·Evaluates·the·specified·function·call | 172 | ["a","b","-extra","c","d"]</code></pre></li><li><p><strong><code·class="inline">-S·Mod·[Func·[Arg1,·Arg2,·...]]</code></strong>·-·Evaluates·the·specified·function·call |
| Offset 212, 21 lines modified | Offset 212, 21 lines modified | ||
| 212 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 212 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 213 | ··</a> | 213 | ··</a> |
| 214 | ··<span·class="text">Example</span> | 214 | ··<span·class="text">Example</span> |
| 215 | </h2> | 215 | </h2> |
| 216 | <pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·--·a·b·-children·thomas·claire·-ages·7·3·--·x·y</span><span·class="w"> | 216 | <pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·--·a·b·-children·thomas·claire·-ages·7·3·--·x·y</span><span·class="w"> |
| 217 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 217 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 218 | </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_plain_arguments</span><span·class="p"·data-group-id=" | 218 | </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_plain_arguments</span><span·class="p"·data-group-id="6741169362-1">(</span><span·class="p"·data-group-id="6741169362-1">)</span><span·class="p">.</span><span·class="w"> |
| 219 | </span><span·class="p"·data-group-id=" | 219 | </span><span·class="p"·data-group-id="6741169362-2">[</span><span·class="s">"a"</span><span·class="p">,</span><span·class="s">"b"</span><span·class="p">,</span><span·class="s">"x"</span><span·class="p">,</span><span·class="s">"y"</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·6c8aac92915efa3b1f4fdd4c6aee4a28901d709dc8628f0e1d8c4560b6797830·...·]-2">]</span><span·class="gp·unselectable"> |
| 220 | 2>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id=" | 220 | 2>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id="6741169362-3">(</span><span·class="ss">children</span><span·class="p"·data-group-id="6741169362-3">)</span><span·class="p">.</span><span·class="w"> |
| 221 | </span><span·class="p"·data-group-id=" | 221 | </span><span·class="p"·data-group-id="6741169362-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="6741169362-5">[</span><span·class="p"·data-group-id="6741169362-6">[</span><span·class="s">"thomas"</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·175,·SHA:·a368acb94076bb8f1f5571166f87a472675adba73c1798373192aa12f6f71a7e·...·]-4">}</span><span·class="gp·unselectable"> |
| 222 | 3>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id=" | 222 | 3>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id="6741169362-7">(</span><span·class="ss">ages</span><span·class="p"·data-group-id="6741169362-7">)</span><span·class="p">.</span><span·class="w"> |
| 223 | </span><span·class="p"·data-group-id=" | 223 | </span><span·class="p"·data-group-id="6741169362-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6741169362-9">[</span><span·class="p"·data-group-id="6741169362-10">[</span><span·class="s">"7"</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·191,·SHA:·6628c472b080180d84def912ec4022c41402e648a87fba0c0c56fe67a6a8e6d1·...·]-8">}</span><span·class="gp·unselectable"> |
| 224 | 4>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id=" | 224 | 4>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id="6741169362-11">(</span><span·class="ss">silly</span><span·class="p"·data-group-id="6741169362-11">)</span><span·class="p">.</span><span·class="w"> |
| 225 | </span><span·class="ss">error</span></code></pre><h2·id="module-see-also"·class="section-heading"> | 225 | </span><span·class="ss">error</span></code></pre><h2·id="module-see-also"·class="section-heading"> |
| 226 | ··<a·href="#module-see-also"·class="hover-link"> | 226 | ··<a·href="#module-see-also"·class="hover-link"> |
| 227 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 227 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 228 | ··</a> | 228 | ··</a> |
| 229 | ··<span·class="text">See·Also</span> | 229 | ··<span·class="text">See·Also</span> |
| 230 | </h2> | 230 | </h2> |
| 231 | <p><a·href="erl_prim_loader.html"><code·class="inline">erl_prim_loader</code></a>,·<a·href="../../../lib/kernel-10.2.3/doc/html/heart.html"><code·class="inline">heart</code></a></p> | 231 | <p><a·href="erl_prim_loader.html"><code·class="inline">erl_prim_loader</code></a>,·<a·href="../../../lib/kernel-10.2.3/doc/html/heart.html"><code·class="inline">heart</code></a></p> |
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| 512 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_argument(Flag)·->·{ok,·Arg}·|·error·when·Flag·::·<a·href="erlang.html#t:atom/0">atom</a>(),·Arg·::·[Values·::·[<a·href="erlang.html#t:string/0">string</a>()]].</pre> | 512 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_argument(Flag)·->·{ok,·Arg}·|·error·when·Flag·::·<a·href="erlang.html#t:atom/0">atom</a>(),·Arg·::·[Values·::·[<a·href="erlang.html#t:string/0">string</a>()]].</pre> |
| 513 | ······</div> | 513 | ······</div> |
| 514 | <p>Returns·all·values·associated·with·the·command-line·user·flag·<code·class="inline">Flag</code>.</p><p>If·<code·class="inline">Flag</code>·is·provided·several·times,·each·<code·class="inline">Values</code>·is·returned·in·preserved·order. | 514 | <p>Returns·all·values·associated·with·the·command-line·user·flag·<code·class="inline">Flag</code>.</p><p>If·<code·class="inline">Flag</code>·is·provided·several·times,·each·<code·class="inline">Values</code>·is·returned·in·preserved·order. |
| 515 | Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-a·b·c·-a·d</span><span·class="w"> | 515 | Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-a·b·c·-a·d</span><span·class="w"> |
| 516 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> | 516 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 517 | 1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id=" | 517 | 1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id="2147685227-1">(</span><span·class="ss">a</span><span·class="p"·data-group-id="2147685227-1">)</span><span·class="p">.</span><span·class="w"> |
| 518 | </span><span·class="p"·data-group-id=" | 518 | </span><span·class="p"·data-group-id="2147685227-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="2147685227-3">[</span><span·class="p"·data-group-id="2147685227-4">[</span><span·class="s">"b"</span><span·class="p">,</span><span·class="s">&q[·...·truncated·by·diffoscope;·len:·331,·SHA:·4ccf369b11b66a995f8aab30f65300be6f56066430f6280c8feb74ef1e1123ae·...·]-2">}</span></code></pre><p>The·following·flags·are·defined·automatically·and·can·be·retrieved·using·this |
| 519 | function:</p><ul><li><p><strong><code·class="inline">root</code></strong>·-·The·installation·directory·of·Erlang/OTP,·<code·class="inline">$ROOT</code>:</p><pre><code·class="text">2>·init:get_argument(root). | 519 | function:</p><ul><li><p><strong><code·class="inline">root</code></strong>·-·The·installation·directory·of·Erlang/OTP,·<code·class="inline">$ROOT</code>:</p><pre><code·class="text">2>·init:get_argument(root). |
| 520 | {ok,[["/usr/local/otp/releases/otp_beam_solaris8_r10b_patched"]]}</code></pre></li><li><p><strong><code·class="inline">progname</code></strong>·-·The·name·of·the·program·which·started·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id=" | 520 | {ok,[["/usr/local/otp/releases/otp_beam_solaris8_r10b_patched"]]}</code></pre></li><li><p><strong><code·class="inline">progname</code></strong>·-·The·name·of·the·program·which·started·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_argument</span><span·class="p"·data-group-id="9920188551-1">(</span><span·class="ss">progname</span><span·class="p"·data-group-id="9920188551-1">)</span><span·class="p">.</span><span·class="w"> |
| 521 | </span><span·class="p"·data-group-id=" | 521 | </span><span·class="p"·data-group-id="9920188551-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="9920188551-3">[</span><span·class="p"·data-group-id="9920188551-4">[</span><span·class="s">"erl"</span><span·class="p"·data-group-id="992018855[·...·truncated·by·diffoscope;·len:·559,·SHA:·e1ff365d9512dc86553238838377ef5e2bfd60d5017b44bfc0b8ceb8a24a692b·...·]8-1">)</span><span·class="p">.</span><span·class="w"> |
| 522 | </span><span·class="p"·data-group-id=" | 522 | </span><span·class="p"·data-group-id="7447295028-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="7447295028-3">[</span><span·class="p"·data-group-id="7447295028-4">[</span><span·class="s">"/home/harry"</span><span·class="p"·data-group-id="7[·...·truncated·by·diffoscope;·len:·114,·SHA:·8db464eaf5284071b3a052e6b3b3f36b6da731f72f36db8efd241ff098d853ad·...·]8-2">}</span></code></pre></li></ul><p>Returns·<code·class="inline">error</code>·if·no·value·is·associated·with·<code·class="inline">Flag</code>.</p> |
| 523 | ··</section> | 523 | ··</section> |
| 524 | </section> | 524 | </section> |
| 525 | <section·class="detail"·id="get_arguments/0"> | 525 | <section·class="detail"·id="get_arguments/0"> |
| 526 | ··<div·class="detail-header"> | 526 | ··<div·class="detail-header"> |
| 527 | ····<a·href="#get_arguments/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 527 | ····<a·href="#get_arguments/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 528 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 528 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 797 | ······<p·class="built-using"> | 797 | ······<p·class="built-using"> |
| 798 | ········Built·using | 798 | ········Built·using |
| 799 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 799 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 800 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 800 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 801 | ······</p> | 801 | ······</p> |
| 802 | <p>Copyright·©·1996-202 | 802 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 803 | ····</footer> | 803 | ····</footer> |
| 804 | ··</div> | 804 | ··</div> |
| 805 | </main> | 805 | </main> |
| 806 | </div> | 806 | </div> |
| 807 | <script> | 807 | <script> |
| 808 | ··function·mermaidLoaded()·{ | 808 | ··function·mermaidLoaded()·{ |
| 809 | ····mermaid.initialize({ | 809 | ····mermaid.initialize({ |
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| 184 | ······<p·class="built-using"> | 184 | ······<p·class="built-using"> |
| 185 | ········Built·using | 185 | ········Built·using |
| 186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 188 | ······</p> | 188 | ······</p> |
| 189 | <p>Copyright·©·1996-202 | 189 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 190 | ····</footer> | 190 | ····</footer> |
| 191 | ··</div> | 191 | ··</div> |
| 192 | </main> | 192 | </main> |
| 193 | </div> | 193 | </div> |
| 194 | <script> | 194 | <script> |
| 195 | ··function·mermaidLoaded()·{ | 195 | ··function·mermaidLoaded()·{ |
| 196 | ····mermaid.initialize({ | 196 | ····mermaid.initialize({ |
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| 367 | language,·that·is,·for·their·side·effects.·Functions·with·side·effects·are·also | 367 | language,·that·is,·for·their·side·effects.·Functions·with·side·effects·are·also |
| 368 | allowed·when·tracing.</p><h2·id="tracing-examples"·class="section-heading"> | 368 | allowed·when·tracing.</p><h2·id="tracing-examples"·class="section-heading"> |
| 369 | ··<a·href="#tracing-examples"·class="hover-link"> | 369 | ··<a·href="#tracing-examples"·class="hover-link"> |
| 370 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 370 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 371 | ··</a> | 371 | ··</a> |
| 372 | ··<span·class="text">Tracing·Examples</span> | 372 | ··<span·class="text">Tracing·Examples</span> |
| 373 | </h2> | 373 | </h2> |
| 374 | <p>Match·an·argument·list·of·three,·where·the·first·and·third·arguments·are·equal:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 374 | <p>Match·an·argument·list·of·three,·where·the·first·and·third·arguments·are·equal:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9649867866-1">[</span><span·class="p"·data-group-id="9649867866-2">{</span><span·class="p"·data-group-id="9649867866-3">[</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'_'</span><span·cla[·...·truncated·by·diffoscope;·len:·116,·SHA:·4295abbfb1f100e7862303dbf606117f6a82096d6860d3d8eda8d7eb1964a582·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 375 | ··</span><span·class="p"·data-group-id=" | 375 | ··</span><span·class="p"·data-group-id="9649867866-4">[</span><span·class="p"·data-group-id="9649867866-4">]</span><span·class="p">,</span><span·class="w"> |
| 376 | ··</span><span·class="p"·data-group-id=" | 376 | ··</span><span·class="p"·data-group-id="9649867866-5">[</span><span·class="p"·data-group-id="9649867866-5">]</span><span·class="p"·data-group-id="9649867866-2">}</span><span·class="p"·data-group-id="9649867866-1">]</span></code></pre><p>Match·an·argument·list·of·three,·where·the·second·argument·[·...·truncated·by·diffoscope;·len:·473,·SHA:·a030c2321f187efa4d61f1d6c4e39508a5d34124697e53ae12703791f5c5f605·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 377 | ··</span><span·class="p"·data-group-id=" | 377 | ··</span><span·class="p"·data-group-id="5897983053-4">[</span><span·class="p"·data-group-id="5897983053-5">{</span><span·class="w">·</span><span·class="ss">'>'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class[·...·truncated·by·diffoscope;·len:·132,·SHA:·e63fcc39ad78913578e9fbbe3b6cad314f13c218d1d415e1f8ab36a814c985bf·...·]-4">]</span><span·class="p">,</span><span·class="w"> |
| 378 | ··</span><span·class="p"·data-group-id=" | 378 | ··</span><span·class="p"·data-group-id="5897983053-6">[</span><span·class="p"·data-group-id="5897983053-6">]</span><span·class="p"·data-group-id="5897983053-2">}</span><span·class="p"·data-group-id="5897983053-1">]</span></code></pre><p>Match·an·argument·list·of·three,·where·the·third·argument·is·either·a·tuple |
| 379 | containing·argument·one·and·two,·<em>or</em>·a·list·beginning·with·argument·one·and·two | 379 | containing·argument·one·and·two,·<em>or</em>·a·list·beginning·with·argument·one·and·two |
| 380 | (that·is,·<code·class="inline">[a,b,[a,b,c]]</code>·or·<code·class="inline">[a,b,{a,b}]</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 380 | (that·is,·<code·class="inline">[a,b,[a,b,c]]</code>·or·<code·class="inline">[a,b,{a,b}]</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5164293398-1">[</span><span·class="p"·data-group-id="5164293398-2">{</span><span·class="p"·data-group-id="5164293398-3">[</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$2'</span><span·cl[·...·truncated·by·diffoscope;·len:·117,·SHA:·b3990a4b5a3da367577d5c5d96d8ab347e53271980a8bd435242c6184e481adf·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 381 | ··</span><span·class="p"·data-group-id=" | 381 | ··</span><span·class="p"·data-group-id="5164293398-4">[</span><span·class="p"·data-group-id="5164293398-5">{</span><span·class="ss">'orelse'</span><span·class="p">,</span><span·class="w"> |
| 382 | ······</span><span·class="p"·data-group-id=" | 382 | ······</span><span·class="p"·data-group-id="5164293398-6">{</span><span·class="ss">'=:='</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$3'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5164293398-7">{</span><span·class=[·...·truncated·by·diffoscope;·len:·284,·SHA:·e17cfd22511dc7887f555055b5ecc8f2a22eeca0e065b53a07d05e8fe2bfb7a4·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 383 | ······</span><span·class="p"·data-group-id=" | 383 | ······</span><span·class="p"·data-group-id="5164293398-9">{</span><span·class="ss">'and'</span><span·class="p">,</span><span·class="w"> |
| 384 | ········</span><span·class="p"·data-group-id=" | 384 | ········</span><span·class="p"·data-group-id="5164293398-10">{</span><span·class="ss">'=:='</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5164293398-11">{</span><span·clas[·...·truncated·by·diffoscope;·len:·195,·SHA:·64f79154a7a080205e54af44c359830ec2075b0a7b0a7b4c44e5a24f266d5781·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 385 | ········</span><span·class="p"·data-group-id=" | 385 | ········</span><span·class="p"·data-group-id="5164293398-12">{</span><span·class="ss">'=:='</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$2'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5164293398-13">{</span><span·clas[·...·truncated·by·diffoscope;·len:·537,·SHA:·4c138f5ae2d6615d0fcd8292586429e5193c288e2a67d492e531487286987420·...·]-4">]</span><span·class="p">,</span><span·class="w"> |
| 386 | ··</span><span·class="p"·data-group-id=" | 386 | ··</span><span·class="p"·data-group-id="5164293398-15">[</span><span·class="p"·data-group-id="5164293398-15">]</span><span·class="p"·data-group-id="5164293398-2">}</span><span·class="p"·data-group-id="5164293398-1">]</span></code></pre><p>The·above·problem·can·also·be·solved·as·follows:</p><pre>[·...·truncated·by·diffoscope;·len:·411,·SHA:·f3afdce9e8edc48e6ee829c1451e36380938f0056b1ef7cf5bf3e45c56d87a32·...·]-4">{</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$2}],·[],·[]}, |
| 387 | ·{['</span><span·class="sc">$1</span><span·class="ss">',·'</span><span·class="sc">$2</span><span·class="ss">',·['</span><span·class="sc">$1</span><span·class="ss">',·'</span><span·class="sc">$2</span><span·class="ss">'·|·'</span><span·class="p">_</span><span·class="err">'</span><span·class="p">]</span><span·class="p">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 387 | ·{['</span><span·class="sc">$1</span><span·class="ss">',·'</span><span·class="sc">$2</span><span·class="ss">',·['</span><span·class="sc">$1</span><span·class="ss">',·'</span><span·class="sc">$2</span><span·class="ss">'·|·'</span><span·class="p">_</span><span·class="err">'</span><span·class="p">]</span><span·class="p">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6582503647-5">[</span><span·class="p"·data-group-id="6582503647-5">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6582503647-6">[</span><span·class="p"·data-group-id="6582503647-6">]</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·66,·SHA:·b08d3a867c0efc1a558cf9d4b751cb56f2c4d6300f44b735a34a4b92aba9eb2c·...·]-3">]</span></code></pre><p>Match·two·arguments,·where·the·first·is·a·tuple·beginning·with·a·list·that·in |
| 388 | turn·begins·with·the·second·argument·times·two·(that·is,·<code·class="inline">[{[4,x],y},2]</code>·or | 388 | turn·begins·with·the·second·argument·times·two·(that·is,·<code·class="inline">[{[4,x],y},2]</code>·or |
| 389 | <code·class="inline">[{[8],·y,·z},4])</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 389 | <code·class="inline">[{[8],·y,·z},4])</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4963950401-1">[</span><span·class="p"·data-group-id="4963950401-2">{</span><span·class="p"·data-group-id="4963950401-3">[</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$2'</span><span·cl[·...·truncated·by·diffoscope;·len:·1174,·SHA:·d0fee18d0152bb361953be39c671c9b2742aab6f51cfb95883e388d792e7eda7·...·]-4">]</span><span·class="p">,</span><span·class="w"> |
| 390 | ··</span><span·class="p"·data-group-id=" | 390 | ··</span><span·class="p"·data-group-id="4963950401-9">[</span><span·class="p"·data-group-id="4963950401-9">]</span><span·class="p"·data-group-id="4963950401-2">}</span><span·class="p"·data-group-id="4963950401-1">]</span></code></pre><p>Match·three·arguments.·When·all·three·are·equal·and·are·numbers,·append·the |
| 391 | process·dump·to·the·trace·message,·otherwise·let·the·trace·message·be·"as·is", | 391 | process·dump·to·the·trace·message,·otherwise·let·the·trace·message·be·"as·is", |
| 392 | but·set·the·sequential·trace·token·label·to·4711:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1 | 392 | but·set·the·sequential·trace·token·label·to·4711:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2014649172-1">[</span><span·class="p"·data-group-id="2014649172-2">{</span><span·class="p"·data-group-id="2014649172-3">[</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$1'</span><span·cl[·...·truncated·by·diffoscope;·len:·117,·SHA:·5c0aaae33491a4bf98e2e5cb1db9d2db588bd57c8cc3574e1215aa9e97833b29·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 393 | ··</span><span·class="p"·data-group-id="1804017010-4">[</span><span·class="p"·data-group-id="1804017010-5">{</span><span·class="nb">is_number</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="1804017010-5">}</span><span·class="p"·data-group-id="1804017010-4">]</span><span·class="p">,</span><span·class="w"> | ||
| 394 | ··</span><span·class="p"·data-group-id="1 | 393 | ··</span><span·class="p"·data-group-id="2014649172-4">[</span><span·class="p"·data-group-id="2014649172-5">{</span><span·class="nb">is_number</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="2014649172-5">}</span><span·class[·...·truncated·by·diffoscope;·len:·35,·SHA:·459b9f9343b3049f1eac2f0f3de25ef743e72eb1e602ad8318736f31ef772531·...·]</span><span·class="p">,</span><span·class="w"> |
| 394 | ··</span><span·class="p"·data-group-id="2014649172-6">[</span><span·class="p"·data-group-id="2014649172-7">{</span><span·class="ss">message</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2014649172-8">{</span><span·class="ss">process_dump</span><span·class="p"·data-group-id="2014649172-8">}</span><span·class="p"·data-group-id="2014649172-7">}</span><span·class="p"·data-group-id="2014649172-6">]</span><span·class="p"·data-group-id="2014649172-2">}</span><span·class="p">,</span><span·class="w"> | ||
| 395 | ·</span><span·class="p"·data-group-id="1 | 395 | ·</span><span·class="p"·data-group-id="2014649172-9">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2014649172-10">[</span><span·class="p"·data-group-id="2014649172-10">]</span><span·class="p">,</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·505,·SHA:·af3a2d3985918da81cf393c7d908e934b1a419cf4d6520e136732a6bdf875bd7·...·]-1">]</span></code></pre><p>As·can·be·noted·above,·the·parameter·list·can·be·matched·against·a·single |
| 396 | <code·class="inline">MatchVariable</code>·or·an·<code·class="inline">'_'</code>.·To·replace·the·whole·parameter·list·with·a·single | 396 | <code·class="inline">MatchVariable</code>·or·an·<code·class="inline">'_'</code>.·To·replace·the·whole·parameter·list·with·a·single |
| 397 | variable·is·a·special·case.·In·all·other·cases·the·<code·class="inline">MatchHead</code>·must·be·a | 397 | variable·is·a·special·case.·In·all·other·cases·the·<code·class="inline">MatchHead</code>·must·be·a |
| 398 | <em>proper</em>·list.</p><p>Generate·a·trace·message·only·if·the·trace·control·word·is·set·to·1:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 398 | <em>proper</em>·list.</p><p>Generate·a·trace·message·only·if·the·trace·control·word·is·set·to·1:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8057675537-1">[</span><span·class="p"·data-group-id="8057675537-2">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> |
| 399 | ··</span><span·class="p"·data-group-id="1079281590-3">[</span><span·class="p"·data-group-id="1079281590-4">{</span><span·class="ss">'=='</span><span·class="p">,</span><span·class="p"·data-group-id="1079281590-5">{</span><span·class="ss">get_tcw</span><span·class="p"·data-group-id="1079281590-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="1079281590-6">{</span><span·class="ss">const</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="1079281590-6">}</span><span·class="p"·data-group-id="1079281590-4">}</span><span·class="p"·data-group-id="1079281590-3">]</span><span·class="p">,</span><span·class="w"> | ||
| 400 | ··</span><span·class="p"·data-group-id="1079281590-7">[</span><span·class="p"·data-group-id="1079281590-7">]</span><span·class="p"·data-group-id="1079281590-2">}</span><span·class="p"·data-group-id="1079281590-1">]</span></code></pre><p>Generate·a·trace·message·only·if·there·is·a·<code·class="inline">seq_trace</code>·token:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0624330941-1">[</span><span·class="p"·data-group-id="0624330941-2">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> | ||
| 401 | ··</span><span·class="p"·data-group-id="0624330941-3">[</span><span·class="p"·data-group-id="0624330941-4">{</span><span·class="ss">'=='</span><span·class="p">,</span><span·class="p"·data-group-id="0624330941-5">{</span><span·class="ss">is_seq_trace</span><span·class="p"·data-group-id="0624330941-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="0624330941-6">{</span><span·class="ss">const</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="0624330941-6">}</span><span·class="p"·data-group-id="0624330941-4">}</span><span·class="p"·data-group-id="0624330941-3">]</span><span·class="p">,</span><span·class="w"> | ||
| 402 | ··</span><span·class="p"·data-group-id=" | 399 | ··</span><span·class="p"·data-group-id="8057675537-3">[</span><span·class="p"·data-group-id="8057675537-4">{</span><span·class="ss">'=='</span><span·class="p">,</span><span·class="p"·data-group-id="8057675537-5">{</span><span·class="ss">get_tcw</span><span·class="p"·data-group-id="805767[·...·truncated·by·diffoscope;·len:·394,·SHA:·a7c52414b501fc0d07f78d084d94c5c066eacbb897cc0f8b719d1c5e94c0fe43·...·] |
| 400 | ··</span><span·class="p"·data-group-id="8057675537-7">[</span><span·class="p"·data-group-id="8057675537-7">]</span><span·class="p"·data-group-id="8057675537-2">}</span><span·class="p"·data-group-id="8057675537-1">]</span></code></pre><p>Generate·a·trace·message·only·if·there·is·a·<code·class="inline">seq_trace</code>·token:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6445408662-1">[</span><span·class="p"·data-group-id="6445408662-2">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w"> | ||
| 401 | ··</span><span·class="p"·data-group-id="6445408662-3">[</span><span·class="p"·data-group-id="6445408662-4">{</span><span·class="ss">'=='</span><span·class="p">,</span><span·class="p"·data-group-id="6445408662-5">{</span><span·class="ss">is_seq_trace</span><span·class="p"·data-group-id="6445408662-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="6445408662-6">{</span><span·class="ss">const</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="6445408662-6">}</span><span·class="p"·data-group-id="6445408662-4">}</span><span·class="p"·data-group-id="6445408662-3">]</span><span·class="p">,</span><span·class="w"> | ||
| 402 | ··</span><span·class="p"·data-group-id="6445408662-7">[</span><span·class="p"·data-group-id="6445408662-7">]</span><span·class="p"·data-group-id="6445408662-2">}</span><span·class="p"·data-group-id="6445408662-1">]</span></code></pre><p>Remove·the·<code·class="inline">'silent'</code>·trace·flag·when·the·first·argument·is·<code·class="inline">'verbose'</code>,·and·add | ||
| 403 | it·when·it·is·<code·class="inline">'silent':</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 403 | it·when·it·is·<code·class="inline">'silent':</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9741880296-1">[</span><span·class="p"·data-group-id="9741880296-2">{</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> |
| 404 | ··</span><span·class="p"·data-group-id=" | 404 | ··</span><span·class="p"·data-group-id="9741880296-3">[</span><span·class="p"·data-group-id="9741880296-4">{</span><span·class="ss">'=='</span><span·class="p">,</span><span·class="p"·data-group-id="9741880296-5">{</span><span·class="nb">hd</span><span·class="p">,</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·244,·SHA:·063e1e22cfffbb1f268edead29a8c25ab18934e583834c1590261d389809f0d2·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 405 | ··</span><span·class="p"·data-group-id=" | 405 | ··</span><span·class="p"·data-group-id="9741880296-6">[</span><span·class="p"·data-group-id="9741880296-7">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9741880296-8">[</span><span·class="ss">silent</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·309,·SHA:·18d61ff07448dc6070287924f401967b517769c627fd5b7df9ac30db0e3e5785·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 406 | ·</span><span·class="p"·data-group-id=" | 406 | ·</span><span·class="p"·data-group-id="9741880296-10">{</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> |
| 407 | ··</span><span·class="p"·data-group-id=" | 407 | ··</span><span·class="p"·data-group-id="9741880296-11">[</span><span·class="p"·data-group-id="9741880296-12">{</span><span·class="ss">'=='</span><span·class="p">,</span><span·class="p"·data-group-id="9741880296-13">{</span><span·class="nb">hd</span><span·class="p">,</span><span·class="w"[·...·truncated·by·diffoscope;·len:·248,·SHA:·d1303a09d9a94a7de1ce07b3d7475fd74cde05bfc35dbdd7dbf1c38c5d6bcd13·...·]-11">]</span><span·class="p">,</span><span·class="w"> |
| 408 | ··</span><span·class="p"·data-group-id=" | 408 | ··</span><span·class="p"·data-group-id="9741880296-14">[</span><span·class="p"·data-group-id="9741880296-15">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9741880296-16">[</span><span·class="p"·data-group-id="9741880296-16">]<[·...·truncated·by·diffoscope;·len:·630,·SHA:·20ace5fb3a23d63926cdeddf1ad9d12df10635830953ec4130df0f8dcd95c43b·...·]-2">{</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> |
| 409 | ··</span><span·class="p"·data-group-id="0 | 409 | ··</span><span·class="p"·data-group-id="2003106387-3">[</span><span·class="p"·data-group-id="2003106387-4">{</span><span·class="ss">'=='</span><span·class="p">,</span><span·class="p"·data-group-id="2003106387-5">{</span><span·class="nb">length</span><span·class="p">,</span><span·class="w[·...·truncated·by·diffoscope;·len:·242,·SHA:·7daef44996195ac757cd76850988a44239d8b68fd25049c7679789d94b418ca4·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 410 | ··</span><span·class="p"·data-group-id="0 | 410 | ··</span><span·class="p"·data-group-id="2003106387-6">[</span><span·class="p"·data-group-id="2003106387-7">{</span><span·class="ss">return_trace</span><span·class="p"·data-group-id="2003106387-7">}</span><span·class="p"·data-group-id="2003106387-6">]</span><span·class="p"·data-group-id="20031063[·...·truncated·by·diffoscope;·len:·2,·SHA:·bdd2d3af3a5a1213497d4f1f7bfcda898274fe9cb5401bbc0190885664708fc2·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 411 | ·</span><span·class="p"·data-group-id="0 | 411 | ·</span><span·class="p"·data-group-id="2003106387-8">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="p"·data-group-id="2003106387-9">[</span><span·class="p"·data-group-id="2003106387-9">]</span><span·class="p">,</span><span·class="p"·data-group-id="2003106387-10"[·...·truncated·by·diffoscope;·len:·157,·SHA:·358127f7ea23a5a9f4cf43c72e5aed04abe4c95f60b5085331d7e4431297552a·...·]-1">]</span></code></pre><p>Generate·a·trace·message·only·if·the·function·is·of·arity·3·and·the·first |
| 412 | argument·is·<code·class="inline">'trace'</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 412 | argument·is·<code·class="inline">'trace'</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6108377859-1">[</span><span·class="p"·data-group-id="6108377859-2">{</span><span·class="p"·data-group-id="6108377859-3">[</span><span·class="ss">'trace'</span><span·class="p">,</span><span·class="ss">'$2'</span><span·class="p">,</span><span[·...·truncated·by·diffoscope;·len:·70,·SHA:·cf1f7bc97b7513374dc6db4c69f09c5fcd2d6b4d95b068ae8da90f315b70e2d4·...·]59-3">]</span><span·class="p">,</span><span·class="w"> |
| 413 | ··</span><span·class="p"·data-group-id=" | 413 | ··</span><span·class="p"·data-group-id="6108377859-4">[</span><span·class="p"·data-group-id="6108377859-4">]</span><span·class="p">,</span><span·class="w"> |
| 414 | ··</span><span·class="p"·data-group-id=" | 414 | ··</span><span·class="p"·data-group-id="6108377859-5">[</span><span·class="p"·data-group-id="6108377859-5">]</span><span·class="p"·data-group-id="6108377859-2">}</span><span·class="p">,</span><span·class="w"> |
| 415 | ·</span><span·class="p"·data-group-id=" | 415 | ·</span><span·class="p"·data-group-id="6108377859-6">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="p"·data-group-id="6108377859-7">[</span><span·class="p"·data-group-id="6108377859-7">]</span><span·class="p">,</span><span·class="p"·data-group-id="6108377859-8">[·...·truncated·by·diffoscope;·len:·153,·SHA:·5d32f5d018913b97235cd02aa8bc52f055b5d8b0dbb1f65b988c264b18bd6c21·...·]59-1">]</span></code></pre><h2·id="ets-examples"·class="section-heading"> |
| 416 | ··<a·href="#ets-examples"·class="hover-link"> | 416 | ··<a·href="#ets-examples"·class="hover-link"> |
| 417 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 417 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 418 | ··</a> | 418 | ··</a> |
| 419 | ··<span·class="text">ETS·Examples</span> | 419 | ··<span·class="text">ETS·Examples</span> |
| 420 | </h2> | 420 | </h2> |
| 421 | <p>Match·all·objects·in·an·ETS·table,·where·the·first·element·is·the·atom | 421 | <p>Match·all·objects·in·an·ETS·table,·where·the·first·element·is·the·atom |
| 422 | <code·class="inline">'strider'</code>·and·the·tuple·arity·is·3,·and·return·the·whole·object:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3 | 422 | <code·class="inline">'strider'</code>·and·the·tuple·arity·is·3,·and·return·the·whole·object:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3556275586-1">[</span><span·class="p"·data-group-id="3556275586-2">{</span><span·class="p"·data-group-id="3556275586-3">{</span><span·class="ss">strider</span><span·class="p">,</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="ss[·...·truncated·by·diffoscope;·len:·61,·SHA:·e916bdafec0939e7012439875f4511ce40a76197348a1ffa4343972fc1cc5280·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 423 | ··</span><span·class="p"·data-group-id="3 | 423 | ··</span><span·class="p"·data-group-id="3556275586-4">[</span><span·class="p"·data-group-id="3556275586-4">]</span><span·class="p">,</span><span·class="w"> |
| 424 | ··</span><span·class="p"·data-group-id="3 | 424 | ··</span><span·class="p"·data-group-id="3556275586-5">[</span><span·class="ss">'$_'</span><span·class="p"·data-group-id="3556275586-5">]</span><span·class="p"·data-group-id="3556275586-2">}</span><span·class="p"·data-group-id="3556275586-1">]</span></code></pre><p>Match·all·objects·in·an·ETS·table·with·arity·>·1·and·the·first·element·is |
| 425 | 'gandalf',·and·return·element·2:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1 | 425 | 'gandalf',·and·return·element·2:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1314581066-1">[</span><span·class="p"·data-group-id="1314581066-2">{</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> |
| 426 | ··</span><span·class="p"·data-group-id="1 | 426 | ··</span><span·class="p"·data-group-id="1314581066-3">[</span><span·class="p"·data-group-id="1314581066-4">{</span><span·class="ss">'=='</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">gandalf</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·829,·SHA:·93ce05bda1d7c34588e0f2679759a65f0cf4bebf8712271018ff4631fc70ea3b·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 427 | ··</span><span·class="p"·data-group-id="1 | 427 | ··</span><span·class="p"·data-group-id="1314581066-8">[</span><span·class="p"·data-group-id="1314581066-9">{</span><span·class="nb">element</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="1314581066-[·...·truncated·by·diffoscope;·len:·158,·SHA:·5e2f750cb98c36faae00df4d64cb6a8a60070fbdd2b6e6f31de03f9ce0a8b52e·...·]-1">]</span></code></pre><p>In·this·example,·if·the·first·element·had·been·the·key,·it·is·much·more |
| 428 | efficient·to·match·that·key·in·the·<code·class="inline">MatchHead</code>·part·than·in·the | 428 | efficient·to·match·that·key·in·the·<code·class="inline">MatchHead</code>·part·than·in·the |
| 429 | <code·class="inline">MatchConditions</code>·part.·The·search·space·of·the·tables·is·restricted·with | 429 | <code·class="inline">MatchConditions</code>·part.·The·search·space·of·the·tables·is·restricted·with |
| 430 | regards·to·the·<code·class="inline">MatchHead</code>·so·that·only·objects·with·the·matching·key·are | 430 | regards·to·the·<code·class="inline">MatchHead</code>·so·that·only·objects·with·the·matching·key·are |
| 431 | searched.</p><p>Match·tuples·of·three·elements,·where·the·second·element·is·either·<code·class="inline">'merry'</code>·or | 431 | searched.</p><p>Match·tuples·of·three·elements,·where·the·second·element·is·either·<code·class="inline">'merry'</code>·or |
| 432 | <code·class="inline">'pippin'</code>,·and·return·the·whole·objects:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 432 | <code·class="inline">'pippin'</code>,·and·return·the·whole·objects:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4055992719-1">[</span><span·class="p"·data-group-id="4055992719-2">{</span><span·class="p"·data-group-id="4055992719-3">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="ss">merry</span><span·class="p">,</span><span·class="ss"[·...·truncated·by·diffoscope;·len:·60,·SHA:·e8d76ea0bdad3afe4c7a1d9d57325e1cd91db26c439d4a09caa00c4102aba3dd·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 433 | ··</span><span·class="p"·data-group-id=" | 433 | ··</span><span·class="p"·data-group-id="4055992719-4">[</span><span·class="p"·data-group-id="4055992719-4">]</span><span·class="p">,</span><span·class="w"> |
| 434 | ··</span><span·class="p"·data-group-id=" | 434 | ··</span><span·class="p"·data-group-id="4055992719-5">[</span><span·class="ss">'$_'</span><span·class="p"·data-group-id="4055992719-5">]</span><span·class="p"·data-group-id="4055992719-2">}</span><span·class="p">,</span><span·class="w"> |
| 435 | ·</span><span·class="p"·data-group-id=" | 435 | ·</span><span·class="p"·data-group-id="4055992719-6">{</span><span·class="p"·data-group-id="4055992719-7">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="ss">pippin</span><span·class="p">,</span><span·class="ss">'_'</span><span·class="p"·data-group-id="40[·...·truncated·by·diffoscope;·len:·8,·SHA:·220256b92ac6d42a0db392cc55c9b6ec26be508e7d8f664d03e7a98b73d4ed59·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 436 | ··</span><span·class="p"·data-group-id=" | 436 | ··</span><span·class="p"·data-group-id="4055992719-8">[</span><span·class="p"·data-group-id="4055992719-8">]</span><span·class="p">,</span><span·class="w"> |
| 437 | ··</span><span·class="p"·data-group-id=" | 437 | ··</span><span·class="p"·data-group-id="4055992719-9">[</span><span·class="ss">'$_'</span><span·class="p"·data-group-id="4055992719-9">]</span><span·class="p"·data-group-id="4055992719-6">}</span><span·class="p"·data-group-id="4055992719-1">]</span></code></pre><p>Function·<a·href="../../../lib/stdlib-6.2.1/doc/html/ets.html#test_ms/2"><code·class="inline">ets:test_ms/2</code></a>·can·be·useful·for·testing·complicated·ETS·matches.</p> |
| 438 | </div> | 438 | </div> |
| 439 | <div·class="bottom-actions"·id="bottom-actions"> | 439 | <div·class="bottom-actions"·id="bottom-actions"> |
| 440 | ··<div·class="bottom-actions-item"> | 440 | ··<div·class="bottom-actions-item"> |
| 441 | ······<a·href="time_correction.html"·class="bottom-actions-button"·rel="prev"> | 441 | ······<a·href="time_correction.html"·class="bottom-actions-button"·rel="prev"> |
| 442 | ········<span·class="subheader"> | 442 | ········<span·class="subheader"> |
| Offset 477, 15 lines modified | Offset 477, 15 lines modified | ||
| 477 | ······<p·class="built-using"> | 477 | ······<p·class="built-using"> |
| 478 | ········Built·using | 478 | ········Built·using |
| 479 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 479 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 480 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 480 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 481 | ······</p> | 481 | ······</p> |
| 482 | <p>Copyright·©·1996-202 | 482 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 483 | ····</footer> | 483 | ····</footer> |
| 484 | ··</div> | 484 | ··</div> |
| 485 | </main> | 485 | </main> |
| 486 | </div> | 486 | </div> |
| 487 | <script> | 487 | <script> |
| 488 | ··function·mermaidLoaded()·{ | 488 | ··function·mermaidLoaded()·{ |
| 489 | ····mermaid.initialize({ | 489 | ····mermaid.initialize({ |
| Offset 176, 15 lines modified | Offset 176, 15 lines modified | ||
| 176 | <ul><li><p><a·href="../../../lib/kernel-10.2.3/doc/html/gen_sctp.html#peeloff/2"><code·class="inline">gen_sctp:peeloff/2</code></a>·has·been·fixed·to·inherit·socket·options·to·the·peeled·off·socket·more·like·<a·href="../../../lib/kernel-10.2.3/doc/html/gen_tcp.html#accept/1"><code·class="inline">gen_tcp:accept/1</code></a>,·for·example·the·options·<code·class="inline">tos</code>·or·<code·class="inline">tclass</code>.</p><p>When·setting·SCTP·options·that·are·unsupported·on·the·platform,·some·should·be·silently·ignored,·but·a·bug·caused·the·option·parsing·to·derail·so·the·options·after·could·bail·out·and·cause·an·error·instead.··This·has·been·fixed.</p><p>Own·Id:·OTP-19225·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8789"·title="">PR-8789</a></p></li><li><p>Fixed·a·bug·where·Erlang·would·corrupt·the·terminal·settings·if·stdin·was·a·TTY·but·stdout·was·not.</p><p>Own·Id:·OTP-19232·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8794"·title="">PR-8794</a>,·<a·href="https://github.com/erlang/otp/issues/8487"·title="">GH-8487</a></p></li><li><p>Fixed·a·bug·in·the·non-JIT·VM·when·loading·a·NIF·over·a·function·that·is·already·traced·by·more·than·one·session.·This·caused·a·VM·crash.·This·bug·has·existed·since·OTP-27.0,·where·multiple·trace·sessions·were·introduced.</p><p>Own·Id:·OTP-19248·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8856"·title="">PR-8856</a></p></li><li><p>Fixed·a·bug·where·the·loading·of·modules·with·extremely·large·binary·construction·instructions·crashed·the·emulator·on·AArch64.</p><p>Own·Id:·OTP-19261·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8815"·title="">GH-8815</a>,·<a·href="https://github.com/erlang/otp/pull/8816"·title="">PR-8816</a></p></li><li><p><a·href="../../../lib/kernel-10.2.3/doc/html/inet.html#getifaddrs/1"><code·class="inline">inet:getifaddrs/0,1</code></a>·is·improved·when·using | 176 | <ul><li><p><a·href="../../../lib/kernel-10.2.3/doc/html/gen_sctp.html#peeloff/2"><code·class="inline">gen_sctp:peeloff/2</code></a>·has·been·fixed·to·inherit·socket·options·to·the·peeled·off·socket·more·like·<a·href="../../../lib/kernel-10.2.3/doc/html/gen_tcp.html#accept/1"><code·class="inline">gen_tcp:accept/1</code></a>,·for·example·the·options·<code·class="inline">tos</code>·or·<code·class="inline">tclass</code>.</p><p>When·setting·SCTP·options·that·are·unsupported·on·the·platform,·some·should·be·silently·ignored,·but·a·bug·caused·the·option·parsing·to·derail·so·the·options·after·could·bail·out·and·cause·an·error·instead.··This·has·been·fixed.</p><p>Own·Id:·OTP-19225·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8789"·title="">PR-8789</a></p></li><li><p>Fixed·a·bug·where·Erlang·would·corrupt·the·terminal·settings·if·stdin·was·a·TTY·but·stdout·was·not.</p><p>Own·Id:·OTP-19232·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8794"·title="">PR-8794</a>,·<a·href="https://github.com/erlang/otp/issues/8487"·title="">GH-8487</a></p></li><li><p>Fixed·a·bug·in·the·non-JIT·VM·when·loading·a·NIF·over·a·function·that·is·already·traced·by·more·than·one·session.·This·caused·a·VM·crash.·This·bug·has·existed·since·OTP-27.0,·where·multiple·trace·sessions·were·introduced.</p><p>Own·Id:·OTP-19248·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8856"·title="">PR-8856</a></p></li><li><p>Fixed·a·bug·where·the·loading·of·modules·with·extremely·large·binary·construction·instructions·crashed·the·emulator·on·AArch64.</p><p>Own·Id:·OTP-19261·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8815"·title="">GH-8815</a>,·<a·href="https://github.com/erlang/otp/pull/8816"·title="">PR-8816</a></p></li><li><p><a·href="../../../lib/kernel-10.2.3/doc/html/inet.html#getifaddrs/1"><code·class="inline">inet:getifaddrs/0,1</code></a>·is·improved·when·using |
| 177 | inet_backend·=·socket.</p><p>Own·Id:·OTP-19264</p></li><li><p><a·href="../../../lib/stdlib-6.2.1/doc/html/win32reg.html#value/2"><code·class="inline">win32reg:value/2</code></a>·will·no·longer·crash·the·emulator·when·the·value·is·an·unterminated·REG_SZ·of·size·0.</p><p>Own·Id:·OTP-19283·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8903"·title="">GH-8903</a>,·<a·href="https://github.com/erlang/otp/pull/8912"·title="">PR-8912</a></p></li><li><p><code·class="inline">Makefile</code>·dependency·generation·on·Windows·in·WSL·2·has·been·corrected.</p><p>Own·Id:·OTP-19300·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8955"·title="">PR-8955</a></p></li><li><p>Fix·lock·order·violation·if·a·NIF·monitor·<code·class="inline">down</code>·callback·calls·<code·class="inline">enif_whereis_pid</code>.·Would·cause·debug·emulator·to·crash·but·could·potentially·lead·to·deadlocks·in·optimized·emulator.</p><p>Own·Id:·OTP-19330·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8983"·title="">GH-8983</a>,·<a·href="https://github.com/erlang/otp/pull/9008"·title="">PR-9008</a></p></li><li><p>Fixed·compilation·faults·when·compiling·using·<code·class="inline">--enable-vm-probes</code>.</p><p>Own·Id:·OTP-19333</p></li><li><p>Fixed·<code·class="inline">erl_nif.h</code>·on·Windows·to·compile·when·gcc·or·clang·is·used.</p><p>Own·Id:·OTP-19341·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9016"·title="">PR-9016</a></p></li><li><p>Fixed·a·minor·issue·in·the·JIT·debug·information·that·confused·tools·like·GDB·and·perf.</p><p>Own·Id:·OTP-19362·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9003"·title="">PR-9003</a></p></li></ul><h3·id="improvements-and-new-features"·class="section-heading"> | 177 | inet_backend·=·socket.</p><p>Own·Id:·OTP-19264</p></li><li><p><a·href="../../../lib/stdlib-6.2.1/doc/html/win32reg.html#value/2"><code·class="inline">win32reg:value/2</code></a>·will·no·longer·crash·the·emulator·when·the·value·is·an·unterminated·REG_SZ·of·size·0.</p><p>Own·Id:·OTP-19283·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8903"·title="">GH-8903</a>,·<a·href="https://github.com/erlang/otp/pull/8912"·title="">PR-8912</a></p></li><li><p><code·class="inline">Makefile</code>·dependency·generation·on·Windows·in·WSL·2·has·been·corrected.</p><p>Own·Id:·OTP-19300·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8955"·title="">PR-8955</a></p></li><li><p>Fix·lock·order·violation·if·a·NIF·monitor·<code·class="inline">down</code>·callback·calls·<code·class="inline">enif_whereis_pid</code>.·Would·cause·debug·emulator·to·crash·but·could·potentially·lead·to·deadlocks·in·optimized·emulator.</p><p>Own·Id:·OTP-19330·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8983"·title="">GH-8983</a>,·<a·href="https://github.com/erlang/otp/pull/9008"·title="">PR-9008</a></p></li><li><p>Fixed·compilation·faults·when·compiling·using·<code·class="inline">--enable-vm-probes</code>.</p><p>Own·Id:·OTP-19333</p></li><li><p>Fixed·<code·class="inline">erl_nif.h</code>·on·Windows·to·compile·when·gcc·or·clang·is·used.</p><p>Own·Id:·OTP-19341·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9016"·title="">PR-9016</a></p></li><li><p>Fixed·a·minor·issue·in·the·JIT·debug·information·that·confused·tools·like·GDB·and·perf.</p><p>Own·Id:·OTP-19362·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9003"·title="">PR-9003</a></p></li></ul><h3·id="improvements-and-new-features"·class="section-heading"> |
| 178 | ··<a·href="#improvements-and-new-features"·class="hover-link"> | 178 | ··<a·href="#improvements-and-new-features"·class="hover-link"> |
| 179 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 179 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 180 | ··</a> | 180 | ··</a> |
| 181 | ··<span·class="text">Improvements·and·New·Features</span> | 181 | ··<span·class="text">Improvements·and·New·Features</span> |
| 182 | </h3> | 182 | </h3> |
| 183 | <ul><li><p>Improved·documentation·of·<a·href="time_correction.html#timers">timers</a>.</p><p>Own·Id:·OTP-19360·Aux·Id:·ERIERL-1149,·<a·href="https://github.com/erlang/otp/pull/9062"·title="">PR-9062</a></p></li><li><p>The·label·for·a·process·can·now·be·retrieved·also·using·<code·class="inline">process_info(Pid,·label)</code>·in·addition·to·<a·href="../../../lib/stdlib-6.2.1/doc/html/proc_lib.html#get_label/1"><code·class="inline">proc_lib:get_label/1</code></a>.</p><p>This·new·option·is·useful·when·one·wants·to·retrieve·more·than·one·process·info·item.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">process_info</span><span·class="p"·data-group-id=" | 183 | <ul><li><p>Improved·documentation·of·<a·href="time_correction.html#timers">timers</a>.</p><p>Own·Id:·OTP-19360·Aux·Id:·ERIERL-1149,·<a·href="https://github.com/erlang/otp/pull/9062"·title="">PR-9062</a></p></li><li><p>The·label·for·a·process·can·now·be·retrieved·also·using·<code·class="inline">process_info(Pid,·label)</code>·in·addition·to·<a·href="../../../lib/stdlib-6.2.1/doc/html/proc_lib.html#get_label/1"><code·class="inline">proc_lib:get_label/1</code></a>.</p><p>This·new·option·is·useful·when·one·wants·to·retrieve·more·than·one·process·info·item.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">process_info</span><span·class="p"·data-group-id="1426453515-1">(</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1426453515-2">[</span><span·class="ss">label</span><span·class="p">,</span><span·class="ss">registered_name</span><span·class="p"[·...·truncated·by·diffoscope;·len:·79,·SHA:·d94a50bf55cb857d445de59de2fad3200258190724aebfc8995b1c37ab0b2f92·...·]-1">)</span></code></pre><p>Own·Id:·OTP-19373·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9108"·title="">PR-9108</a></p></li></ul><h2·id="erts-15-1-3"·class="section-heading"> |
| 184 | ··<a·href="#erts-15-1-3"·class="hover-link"> | 184 | ··<a·href="#erts-15-1-3"·class="hover-link"> |
| 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 186 | ··</a> | 186 | ··</a> |
| 187 | ··<span·class="text">Erts·15.1.3</span> | 187 | ··<span·class="text">Erts·15.1.3</span> |
| 188 | </h2> | 188 | </h2> |
| 189 | <h3·id="fixed-bugs-and-malfunctions-4"·class="section-heading"> | 189 | <h3·id="fixed-bugs-and-malfunctions-4"·class="section-heading"> |
| 190 | ··<a·href="#fixed-bugs-and-malfunctions-4"·class="hover-link"> | 190 | ··<a·href="#fixed-bugs-and-malfunctions-4"·class="hover-link"> |
| Offset 224, 16 lines modified | Offset 224, 16 lines modified | ||
| 224 | </h2> | 224 | </h2> |
| 225 | <h3·id="fixed-bugs-and-malfunctions-7"·class="section-heading"> | 225 | <h3·id="fixed-bugs-and-malfunctions-7"·class="section-heading"> |
| 226 | ··<a·href="#fixed-bugs-and-malfunctions-7"·class="hover-link"> | 226 | ··<a·href="#fixed-bugs-and-malfunctions-7"·class="hover-link"> |
| 227 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 227 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 228 | ··</a> | 228 | ··</a> |
| 229 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> | 229 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> |
| 230 | </h3> | 230 | </h3> |
| 231 | <ul><li><p>The·<code·class="inline">erl·-man·example</code>·has·been·corrected·to·not·consider·values·set·in·<code·class="inline">ERL_ZFLAGS</code>·and·stop·parsing·arguments·when·a·<code·class="inline">--</code>·is·encountered.</p><p>Own·Id:·OTP-19098·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8478"·title="">PR-8478</a>,·<a·href="https://github.com/erlang/otp/issues/8477"·title="">GH-8477</a></p></li><li><p>Compiler·warnings·for··Windows·I/O·back-end·have·been·silenced.</p><p>Own·Id:·OTP-19113</p></li><li><p>Bugs·related·to·<code·class="inline">return_to</code>·trace·have·been·fixed.·It·did·not·work·for·more·than·once·trace·session·and·it·did·sometimes·not·trigger·for·exceptions.</p><p>Own·Id:·OTP-19122</p></li><li><p>Potential·deadlocks·while·writing·a·crash·dump·have·been·eliminated.</p><p>Own·Id:·OTP-19133·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8521"·title="">PR-8521</a>,·<a·href="https://github.com/erlang/otp/issues/8498"·title="">GH-8498</a></p></li><li><p>When·loading·a·damaged·or·too·old·BEAM·file,·the·runtime·system·could·crash.</p><p>Own·Id:·OTP-19153·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8623"·title="">PR-8623</a></p></li><li><p>A·scheduler·thread·could·get·stuck·when·deleting·a·memory·allocator·carrier·when·adjacent·carriers·were·deleted·and/or·inserted·simultaneously·by·other·schedulers.·This·in·turn·could·cause·the·other·schedulers·to·get·stuck·as·well.</p><p>Own·Id:·OTP-19154·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8613"·title="">GH-8613</a>,·<a·href="https://github.com/erlang/otp/pull/8627"·title="">PR-8627</a></p></li><li><p>Statistics·for·number·of·carriers·in·a·shared·pool·after·calling·<code·class="inline">instrument:allocations</code>·or·<code·class="inline">instrument:carriers</code>·are·now·correct.·Also,·a·potential·bug·in·carrier·block·scanning·was·eliminated.</p><p>Own·Id:·OTP-19166·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8636"·title="">PR-8636</a></p></li><li><p>A·race·in·the·kTLS·flavour·of·SSL·distribution·has·been·fixed·so·that·<code·class="inline">inet_drv.c</code>·doesn't·read·ahead·too·much·data,·which·could·cause·the·kTLS·encryption·to·be·activated·too·late·when·some·encrypted·data·had·already·been·read·into·the·<code·class="inline">inet_drv.c</code>·buffer·as·unencrypted.</p><p>Own·Id:·OTP-19175·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8561"·title="">GH-8561</a>,·<a·href="https://github.com/erlang/otp/pull/8690"·title="">PR-8690</a></p></li><li><p>Fixed·an·emulator·crash·relating·to·compressed·ETS·tables.</p><p>Own·Id:·OTP-19176·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8683"·title="">PR-8683</a></p></li><li><p>A·function·(encode_sockaddr)·was·called·with·superfluous·argument,·on·Windows,·in·the·net·nif.</p><p>Own·Id:·OTP-19181</p></li><li><p>Fixed·a·crash·that·could·happen·on·reallocation·failure.</p><p>Own·Id:·OTP-19192</p></li><li><p>Man·pages·are·now·available·for·<code·class="inline">erl</code>,·<code·class="inline">erlc</code>,·<code·class="inline">dialyzer</code>,·and·all·other·programs·that·are·included·in·Erlang/OTP.</p><p>Own·Id:·OTP-19201·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8740"·title="">PR-8740</a></p></li><li><p>A·previous·correction·in·the·Erlang/OTP·27.0.1·emergency·patch·had·the·unfortunate·side·effect·of·sometimes·causing·an·unnecessary·fullsweep·(major)·garbage·collection·instead·of·a··generation·(minor)·garbage·collection.·This·has·been·corrected.</p><p>Own·Id:·OTP-19209·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8751"·title="">PR-8751</a>,·<a·href="https://github.com/erlang/otp/pull/8539"·title="">PR-8539</a></p></li><li><p>Fixed·trace·matchspec·functions·<code·class="inline">trace</code>·and·<code·class="inline">enable_trace</code>·to·use·the·session·tracer·when·enabling·trace·flags·on·untraced·processes.</p><p>Own·Id:·OTP-19211·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8657"·title="">GH-8657</a></p></li><li><p>Fixed·a·typo·in·the·type·spec·for·<a·href="erlang.html#t:garbage_collection_defaults/0"><code·class="inline">erlang:garbage_collection_defaults/0</code></a>.</p><p>Own·Id:·OTP-19215·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8757"·title="">PR-8757</a></p></li><li><p>Corrected·socket:ioctl·for·genaddr·(SIOCGENADDR).</p><p>Own·Id:·OTP-19216</p></li><li><p>The·support·for·Transparent·Huge·Pages·has·been·disabled·on·non-amd64·Linux·systems.</p><p>Own·Id:·OTP-19219·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8702"·title="">PR-8702</a></p></li><li><p>Fixed·a·race·condition·on·Windows·when·upgrading·from·<code·class="inline">-noshell</code>·to·a·shell·that·would·cause·Erlang·to·crash·with·the·error:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 231 | <ul><li><p>The·<code·class="inline">erl·-man·example</code>·has·been·corrected·to·not·consider·values·set·in·<code·class="inline">ERL_ZFLAGS</code>·and·stop·parsing·arguments·when·a·<code·class="inline">--</code>·is·encountered.</p><p>Own·Id:·OTP-19098·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8478"·title="">PR-8478</a>,·<a·href="https://github.com/erlang/otp/issues/8477"·title="">GH-8477</a></p></li><li><p>Compiler·warnings·for··Windows·I/O·back-end·have·been·silenced.</p><p>Own·Id:·OTP-19113</p></li><li><p>Bugs·related·to·<code·class="inline">return_to</code>·trace·have·been·fixed.·It·did·not·work·for·more·than·once·trace·session·and·it·did·sometimes·not·trigger·for·exceptions.</p><p>Own·Id:·OTP-19122</p></li><li><p>Potential·deadlocks·while·writing·a·crash·dump·have·been·eliminated.</p><p>Own·Id:·OTP-19133·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8521"·title="">PR-8521</a>,·<a·href="https://github.com/erlang/otp/issues/8498"·title="">GH-8498</a></p></li><li><p>When·loading·a·damaged·or·too·old·BEAM·file,·the·runtime·system·could·crash.</p><p>Own·Id:·OTP-19153·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8623"·title="">PR-8623</a></p></li><li><p>A·scheduler·thread·could·get·stuck·when·deleting·a·memory·allocator·carrier·when·adjacent·carriers·were·deleted·and/or·inserted·simultaneously·by·other·schedulers.·This·in·turn·could·cause·the·other·schedulers·to·get·stuck·as·well.</p><p>Own·Id:·OTP-19154·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8613"·title="">GH-8613</a>,·<a·href="https://github.com/erlang/otp/pull/8627"·title="">PR-8627</a></p></li><li><p>Statistics·for·number·of·carriers·in·a·shared·pool·after·calling·<code·class="inline">instrument:allocations</code>·or·<code·class="inline">instrument:carriers</code>·are·now·correct.·Also,·a·potential·bug·in·carrier·block·scanning·was·eliminated.</p><p>Own·Id:·OTP-19166·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8636"·title="">PR-8636</a></p></li><li><p>A·race·in·the·kTLS·flavour·of·SSL·distribution·has·been·fixed·so·that·<code·class="inline">inet_drv.c</code>·doesn't·read·ahead·too·much·data,·which·could·cause·the·kTLS·encryption·to·be·activated·too·late·when·some·encrypted·data·had·already·been·read·into·the·<code·class="inline">inet_drv.c</code>·buffer·as·unencrypted.</p><p>Own·Id:·OTP-19175·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8561"·title="">GH-8561</a>,·<a·href="https://github.com/erlang/otp/pull/8690"·title="">PR-8690</a></p></li><li><p>Fixed·an·emulator·crash·relating·to·compressed·ETS·tables.</p><p>Own·Id:·OTP-19176·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8683"·title="">PR-8683</a></p></li><li><p>A·function·(encode_sockaddr)·was·called·with·superfluous·argument,·on·Windows,·in·the·net·nif.</p><p>Own·Id:·OTP-19181</p></li><li><p>Fixed·a·crash·that·could·happen·on·reallocation·failure.</p><p>Own·Id:·OTP-19192</p></li><li><p>Man·pages·are·now·available·for·<code·class="inline">erl</code>,·<code·class="inline">erlc</code>,·<code·class="inline">dialyzer</code>,·and·all·other·programs·that·are·included·in·Erlang/OTP.</p><p>Own·Id:·OTP-19201·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8740"·title="">PR-8740</a></p></li><li><p>A·previous·correction·in·the·Erlang/OTP·27.0.1·emergency·patch·had·the·unfortunate·side·effect·of·sometimes·causing·an·unnecessary·fullsweep·(major)·garbage·collection·instead·of·a··generation·(minor)·garbage·collection.·This·has·been·corrected.</p><p>Own·Id:·OTP-19209·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8751"·title="">PR-8751</a>,·<a·href="https://github.com/erlang/otp/pull/8539"·title="">PR-8539</a></p></li><li><p>Fixed·trace·matchspec·functions·<code·class="inline">trace</code>·and·<code·class="inline">enable_trace</code>·to·use·the·session·tracer·when·enabling·trace·flags·on·untraced·processes.</p><p>Own·Id:·OTP-19211·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8657"·title="">GH-8657</a></p></li><li><p>Fixed·a·typo·in·the·type·spec·for·<a·href="erlang.html#t:garbage_collection_defaults/0"><code·class="inline">erlang:garbage_collection_defaults/0</code></a>.</p><p>Own·Id:·OTP-19215·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8757"·title="">PR-8757</a></p></li><li><p>Corrected·socket:ioctl·for·genaddr·(SIOCGENADDR).</p><p>Own·Id:·OTP-19216</p></li><li><p>The·support·for·Transparent·Huge·Pages·has·been·disabled·on·non-amd64·Linux·systems.</p><p>Own·Id:·OTP-19219·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8702"·title="">PR-8702</a></p></li><li><p>Fixed·a·race·condition·on·Windows·when·upgrading·from·<code·class="inline">-noshell</code>·to·a·shell·that·would·cause·Erlang·to·crash·with·the·error:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9873507171-1">{</span><span·class="ss">'GetOverlappedResult'</span><span·class="p">,</span><span·class="w"> |
| 232 | ··</span><span·class="ss">'The·I/O·operation·has·been·aborted·because·of·either·a·thread·exit·or·an·application·request.'</span><span·class="p"·data-group-id=" | 232 | ··</span><span·class="ss">'The·I/O·operation·has·been·aborted·because·of·either·a·thread·exit·or·an·application·request.'</span><span·class="p"·data-group-id="9873507171-1">}</span><span·class="p">.</span></code></pre><p>Own·Id:·OTP-19220·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8774"·title="">PR-8774</a>,·<a·href="https://github.com/erlang/otp/issues/7621"·title="">GH-7621</a></p></li></ul><h3·id="improvements-and-new-features-1"·class="section-heading"> |
| 233 | ··<a·href="#improvements-and-new-features-1"·class="hover-link"> | 233 | ··<a·href="#improvements-and-new-features-1"·class="hover-link"> |
| 234 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 234 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 235 | ··</a> | 235 | ··</a> |
| 236 | ··<span·class="text">Improvements·and·New·Features</span> | 236 | ··<span·class="text">Improvements·and·New·Features</span> |
| 237 | </h3> | 237 | </h3> |
| 238 | <ul><li><p>Added·functions·<code·class="inline">getservbyname</code>·and·<code·class="inline">getservbyport</code>·to·the·<code·class="inline">net</code>·module.</p><p>Own·Id:·OTP-19101·Aux·Id:·OTP-18835</p></li><li><p>Introduced·enet·|·esock·variants·of·<a·href="../../../lib/kernel-10.2.3/doc/html/inet.html"><code·class="inline">inet</code></a>·functions,·either·when·called·with·sockets, | 238 | <ul><li><p>Added·functions·<code·class="inline">getservbyname</code>·and·<code·class="inline">getservbyport</code>·to·the·<code·class="inline">net</code>·module.</p><p>Own·Id:·OTP-19101·Aux·Id:·OTP-18835</p></li><li><p>Introduced·enet·|·esock·variants·of·<a·href="../../../lib/kernel-10.2.3/doc/html/inet.html"><code·class="inline">inet</code></a>·functions,·either·when·called·with·sockets, |
| 239 | with·explicit·inet_backend·config·or·with·the·e·inet_backend·kernel·config·option.</p><p>Own·Id:·OTP-19132·Aux·Id:·OTP-19101</p></li><li><p>Optimize·process·and·port·creation·when·such·tracing·is·not·enabled·by·any·trace·session.</p><p>Own·Id:·OTP-19167·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8655"·title="">PR-8655</a></p></li><li><p>Compiler·warnings·for·some·removed·functions·have·been·corrected·to·point·out·the·correct·replacement·functions.</p><p>Own·Id:·OTP-19186·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8709"·title="">PR-8709</a></p></li><li><p>A·boolean·option·<code·class="inline">read_ahead</code>·has·been·implemented·for·<code·class="inline">gen_tcp</code>,·default·<code·class="inline">true</code>,·to·facilitate·not·reading·past·(caching·data)·the·end·of·a·packet.··In·particular,·for·kTLS,·caching·data·could·read·in·data·that·was·supposed·to·be·decrypted·by·the·platform's·network·stack,·before·crypto·parameters·could·be·activated.</p><p>Own·Id:·OTP-19199·Aux·Id:·OTP-19175,·<a·href="https://github.com/erlang/otp/issues/8561"·title="">GH-8561</a>,·<a·href="https://github.com/erlang/otp/issues/8690"·title="">GH-8690</a>,·<a·href="https://github.com/erlang/otp/issues/8785"·title="">GH-8785</a></p></li><li><p>The·<a·href="../../../lib/stdlib-6.2.1/doc/html/zip.html"><code·class="inline">zip</code></a>·module·has·been·updated·with·support·for:</p><ul><li>zip64·archives·-·Archives·larger·than·4GB·or·with·more·than·2^32·entries.</li><li>extended·timestamps·-·Higher·resolution·and·in·UTC.</li><li>UID/GID·-·Save·and·extract·the·original·UID/GID.</li><li>Fixes·so·that·permission·mode·attributes·are·correctly·read·and·set·for·files·in·archives.</li><li><a·href="../../../lib/stdlib-6.2.1/doc/html/zip.html#list_dir/2"><code·class="inline">zip:list_dir/2</code></a>·now·also·returns·directories,·not·only·files.·(You·can·disable·this·behaviour·by·using·the·option·<code·class="inline">skip_directories</code>).</li></ul><p>Various·bugs·in·the·original·implementation·have·also·been·fixed,·such·as:</p><ul><li>Correctly·encode·and·decode·the·DOS·timestamps·for·entries·within·an·archive·(that·is·the·non-extended·timestamp).</li><li>Fix·DOS·timestamps·to·be·set·to·localtime·instead·of·UTC·(use·extended·timestamps·for·UTC·timestamps).</li><li>Use·the·unix·file·attributes·read·from·disk·when·creating·archives·instead·of·setting·everything·to·644.</li></ul><p>Own·Id:·OTP-19214·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8765"·title="">PR-8765</a></p></li></ul><h2·id="erts-15-0-1"·class="section-heading"> | 239 | with·explicit·inet_backend·config·or·with·the·e·inet_backend·kernel·config·option.</p><p>Own·Id:·OTP-19132·Aux·Id:·OTP-19101</p></li><li><p>Optimize·process·and·port·creation·when·such·tracing·is·not·enabled·by·any·trace·session.</p><p>Own·Id:·OTP-19167·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8655"·title="">PR-8655</a></p></li><li><p>Compiler·warnings·for·some·removed·functions·have·been·corrected·to·point·out·the·correct·replacement·functions.</p><p>Own·Id:·OTP-19186·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8709"·title="">PR-8709</a></p></li><li><p>A·boolean·option·<code·class="inline">read_ahead</code>·has·been·implemented·for·<code·class="inline">gen_tcp</code>,·default·<code·class="inline">true</code>,·to·facilitate·not·reading·past·(caching·data)·the·end·of·a·packet.··In·particular,·for·kTLS,·caching·data·could·read·in·data·that·was·supposed·to·be·decrypted·by·the·platform's·network·stack,·before·crypto·parameters·could·be·activated.</p><p>Own·Id:·OTP-19199·Aux·Id:·OTP-19175,·<a·href="https://github.com/erlang/otp/issues/8561"·title="">GH-8561</a>,·<a·href="https://github.com/erlang/otp/issues/8690"·title="">GH-8690</a>,·<a·href="https://github.com/erlang/otp/issues/8785"·title="">GH-8785</a></p></li><li><p>The·<a·href="../../../lib/stdlib-6.2.1/doc/html/zip.html"><code·class="inline">zip</code></a>·module·has·been·updated·with·support·for:</p><ul><li>zip64·archives·-·Archives·larger·than·4GB·or·with·more·than·2^32·entries.</li><li>extended·timestamps·-·Higher·resolution·and·in·UTC.</li><li>UID/GID·-·Save·and·extract·the·original·UID/GID.</li><li>Fixes·so·that·permission·mode·attributes·are·correctly·read·and·set·for·files·in·archives.</li><li><a·href="../../../lib/stdlib-6.2.1/doc/html/zip.html#list_dir/2"><code·class="inline">zip:list_dir/2</code></a>·now·also·returns·directories,·not·only·files.·(You·can·disable·this·behaviour·by·using·the·option·<code·class="inline">skip_directories</code>).</li></ul><p>Various·bugs·in·the·original·implementation·have·also·been·fixed,·such·as:</p><ul><li>Correctly·encode·and·decode·the·DOS·timestamps·for·entries·within·an·archive·(that·is·the·non-extended·timestamp).</li><li>Fix·DOS·timestamps·to·be·set·to·localtime·instead·of·UTC·(use·extended·timestamps·for·UTC·timestamps).</li><li>Use·the·unix·file·attributes·read·from·disk·when·creating·archives·instead·of·setting·everything·to·644.</li></ul><p>Own·Id:·OTP-19214·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8765"·title="">PR-8765</a></p></li></ul><h2·id="erts-15-0-1"·class="section-heading"> |
| Offset 262, 25 lines modified | Offset 262, 25 lines modified | ||
| 262 | </h3> | 262 | </h3> |
| 263 | <ul><li><p>Bugs·in·how·<code·class="inline">erl·-extra</code>·interacts·with·passing·flags·via·ERL_*FLAGS·or·<code·class="inline">-args_file</code>·have·been·fixed.</p><p>Own·Id:·OTP-18766·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7639"·title="">PR-7639</a></p></li><li><p>Fixed·a·bug·that·prevented·the·emulator·from·building·on·recent·versions·of·Yocto·Linux.</p><p>Own·Id:·OTP-18918·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7952"·title="">PR-7952</a></p></li><li><p>Fixed·spectre·mitigation·configure·test·to·work·with·GCC·patches·to·always·add·<code·class="inline">-fcf-protection=full</code>.</p><p>Own·Id:·OTP-18928·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8006"·title="">PR-8006</a></p></li><li><p>A··call·to·<code·class="inline">socket:[recv|recvfrom|recvmsg]/*</code>·with·Timeout·=·0·on·Windows·could·cause·a·(case·clause)·crash·if·data·is·immediately·available.</p><p>Own·Id:·OTP-19063·Aux·Id:·OTP-18835</p></li><li><p>Fix·bug·on·Windows·where·<code·class="inline">exit_status</code>·would·not·be·sent·when·a·port·exits·after·the·stdin/stdout·handles·have·been·closed.</p><p>Own·Id:·OTP-19077·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8324"·title="">PR-8324</a></p></li></ul><h3·id="improvements-and-new-features-2"·class="section-heading"> | 263 | <ul><li><p>Bugs·in·how·<code·class="inline">erl·-extra</code>·interacts·with·passing·flags·via·ERL_*FLAGS·or·<code·class="inline">-args_file</code>·have·been·fixed.</p><p>Own·Id:·OTP-18766·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7639"·title="">PR-7639</a></p></li><li><p>Fixed·a·bug·that·prevented·the·emulator·from·building·on·recent·versions·of·Yocto·Linux.</p><p>Own·Id:·OTP-18918·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7952"·title="">PR-7952</a></p></li><li><p>Fixed·spectre·mitigation·configure·test·to·work·with·GCC·patches·to·always·add·<code·class="inline">-fcf-protection=full</code>.</p><p>Own·Id:·OTP-18928·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8006"·title="">PR-8006</a></p></li><li><p>A··call·to·<code·class="inline">socket:[recv|recvfrom|recvmsg]/*</code>·with·Timeout·=·0·on·Windows·could·cause·a·(case·clause)·crash·if·data·is·immediately·available.</p><p>Own·Id:·OTP-19063·Aux·Id:·OTP-18835</p></li><li><p>Fix·bug·on·Windows·where·<code·class="inline">exit_status</code>·would·not·be·sent·when·a·port·exits·after·the·stdin/stdout·handles·have·been·closed.</p><p>Own·Id:·OTP-19077·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8324"·title="">PR-8324</a></p></li></ul><h3·id="improvements-and-new-features-2"·class="section-heading"> |
| 264 | ··<a·href="#improvements-and-new-features-2"·class="hover-link"> | 264 | ··<a·href="#improvements-and-new-features-2"·class="hover-link"> |
| 265 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 265 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 266 | ··</a> | 266 | ··</a> |
| 267 | ··<span·class="text">Improvements·and·New·Features</span> | 267 | ··<span·class="text">Improvements·and·New·Features</span> |
| 268 | </h3> | 268 | </h3> |
| 269 | <ul><li><p>Refactored·how·the·JIT·handles·POSIX·signals·and·how·they·affect·thread·stacks,·allowing·us·to·use·the·native·stack·register·for·Erlang·stacks·on·more·platforms.</p><p>Notably,·containers·built·on·64-bit·x86·Alpine·Linux·images·will·now·perform·much·better·in·sequential·code.·As·an·example,·running·<code·class="inline">dialyzer</code>·over·the·OTP·code·base·finishes·about·15%·quicker.</p><p>Own·Id:·OTP-18568·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7174"·title="">PR-7174</a></p></li><li><p>The·<a·href="../../../lib/runtime_tools-2.1.1/doc/html/instrument.html"><code·class="inline">instrument</code></a>·module·can·now·track·allocations·on·a·per-process·or·per-port·basis.</p><p>Own·Id:·OTP-18577·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7236"·title="">PR-7236</a></p></li><li><p>The·<code·class="inline">pid</code>·field·returned·from·<a·href="erlang.html#fun_info/2"><code·class="inline">erlang:fun_info/1,2</code></a>·is·now·always·the·pid·for·the·<code·class="inline">init</code>·process·of·the·local·node,·not·the·pid·for·the·actual·process·that·created·the·fun.</p><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-18594·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7274"·title="">PR-7274</a></p></li><li><p>By·default,·escripts·will·now·be·compiled·instead·of·interpreted.·That·means·that·the·<code·class="inline">compiler</code>·application·must·be·installed.</p><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-18639·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7348"·title="">PR-7348</a></p></li><li><p>A·binary·returned·from·the·<a·href="../../../lib/kernel-10.2.3/doc/html/socket.html"><code·class="inline">socket</code></a>·receive·functions·is·no·longer·created·as·a·sub·binary·of·an·often·large·receive·buffer·binary·(socket·option·<code·class="inline">{otp,rcvbuf}</code>).··This·avoids·space·waste,·trusting·the·allocators·to·implement·reallocation·efficiently.</p><p>Own·Id:·OTP-18642·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/6152"·title="">GH-6152</a>,·<a·href="https://github.com/erlang/otp/pull/7465"·title="">PR-7465</a></p></li><li><p>The·default·process·limit·has·been·raised·to·<code·class="inline">1048576</code>·processes.</p><p>Own·Id:·OTP-18699·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7388"·title="">PR-7388</a></p></li><li><p>The·<a·href="erlang.html#system_monitor/2"><code·class="inline">erlang:system_monitor/2</code></a>·functionality·is·now·able·to·monitor·long·message·queues·in·the·system.</p><p>Own·Id:·OTP-18709·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7651"·title="">PR-7651</a></p></li><li><p>The·<code·class="inline">erl</code>·command·now·supports·the·<code·class="inline">-S</code>·flag,·which·is·similar·to·the·<code·class="inline">-run</code>·flag,·except·that·it·will·pass·all·arguments·up·to·end·of·the·command·line·to·the·called·function.·(The·<code·class="inline">-run</code>·flag·will·not·pass·arguments·beginning·with·a·hyphen.)·Another·difference·is·that·<code·class="inline">-S</code>·will·always·call·a·function·with·one·argument,·passing·an·empty·list·if·no·arguments·were·given.</p><p>Own·Id:·OTP-18744·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7470"·title="">PR-7470</a></p></li><li><p>When·implementing·an·alternative·carrier·for·the·Erlang·distribution,·a·separate·input·handler·process·may·now·be·registered,·using·<a·href="erlang.html#dist_ctrl_input_handler/2"><code·class="inline">erlang:dist_ctrl_input_handler/2</code></a>,·also·in·the·case·when·the·distribution·controller·is·a·port.</p><p>Own·Id:·OTP-18774·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7110"·title="">PR-7110</a></p></li><li><p>The·call·stack·trace·has·now·been·added·to·the·error·reported·by·<a·href="erlang.html#process_flag/2"><code·class="inline">erlang:process_flag/2</code></a>·when·<code·class="inline">max_heap_size</code>·limit·has·been·exceeded.</p><p>Own·Id:·OTP-18779·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7592"·title="">PR-7592</a></p></li><li><p><code·class="inline">-callback</code>·attributes·have·been·added·to·<a·href="erl_tracer.html"><code·class="inline">erl_tracer</code></a>.</p><p>Own·Id:·OTP-18794·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7703"·title="">PR-7703</a></p></li><li><p>For·<code·class="inline">inet_backend·=·socket</code>,·setting·the·<code·class="inline">active</code>·socket·option·alone,·to·<code·class="inline">once</code>,·<code·class="inline">true</code>·or·<code·class="inline">N</code>·has·been·optimized,·as·well·as·the·corresponding·data·delivery.</p><p>Own·Id:·OTP-18835</p></li><li><p>New·functions·<code·class="inline">socket:sendv/*</code>·for·sending·I/O·vectors·have·been·added.</p><p>Own·Id:·OTP-18845</p></li><li><p>Socket·options·that·take·string·now·also·accept·binaries.</p><p>Own·Id:·OTP-18849·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/6510"·title="">PR-6510</a></p></li><li><p>Native·coverage·support·has·been·implemented·in·the·JIT.·It·will··automatically·be·used·by·the·<a·href="../../../lib/tools-4.1.1/doc/html/cover.html"><code·class="inline">cover</code></a>·tool·to·reduce·the·execution·overhead·when·running·cover-compiled·code.</p><p>There·are·also·new·APIs·to·support·native·coverage·without·using·the·<code·class="inline">cover</code>·tool.</p><p>To·instrument·code·for·native·coverage·it·must·be·compiled·with·the·<a·href="../../../lib/compiler-8.6/doc/html/compile.html#line_coverage"><code·class="inline">line_coverage</code></a>·option.</p><p>To·enable·native·coverage·in·the·runtime·system,·start·it·like·so:</p><pre><code·class="text">$·erl·+JPcover·true</code></pre><p>There·are·also·the·following·new·functions·for·supporting·native·coverage:</p><ul><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#coverage_support/0"><code·class="inline">code:coverage_support/0</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage/2"><code·class="inline">code:get_coverage/2</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#reset_coverage/1"><code·class="inline">code:reset_coverage/1</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/0"><code·class="inline">code:get_coverage_mode/0</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/1"><code·class="inline">code:get_coverage_mode/1</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#set_coverage_mode/1"><code·class="inline">code:set_coverage_mode/1</code></a></li></ul><p>Own·Id:·OTP-18856·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7856"·title="">PR-7856</a></p></li><li><p>Changed·the·default·value·of·the·command·line·flag·<code·class="inline">-code_path_choice</code>·to·<code·class="inline">strict</code>.·</p><p>Note·that·for·application·systems·using·archives,·it·is·necessary·to·add·the·<code·class="inline">code_path_choice·relaxed</code>·to·the·command·line·that·invokes·<code·class="inline">erl</code>.</p><p>Own·Id:·OTP-18894·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7243"·title="">PR-7243</a></p></li><li><p>Added·module·loading·to·<code·class="inline">erl·-init_debug</code>·printouts.</p><p>Own·Id:·OTP-18929·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8004"·title="">PR-8004</a></p></li><li><p>When·the·runtime·system·halts,·it·performs·various·flush·operations·before·terminating.·By·default·there·is·no·limit·on·how·much·time·the·flush·operations·are·allowed·to·take.·A·new·<em>halt·flush·timeout</em>·functionality·has·been·introduced·which·can·be·used·for·limiting·the·amount·of·time·that·the·flushing·operations·are·allowed·to·take.·For·more·information·see·the·documentation·of·the·<a·href="erlang.html#halt_flush_timeout"><code·class="inline">flush_timeout</code></a>·option·of·the·<a·href="erlang.html#halt/2"><code·class="inline">erlang:halt/2</code></a>·BIF·and·the·documentation·of·the·<code·class="inline">erl</code>·<a·href="erl_cmd.html#+zhft"><code·class="inline">+zhft·<Timeout></code></a>·command·line·flag.</p><p>Own·Id:·OTP-18938·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8035"·title="">PR-8035</a>,·<a·href="https://github.com/erlang/otp/issues/7438"·title="">GH-7438</a></p></li><li><p>Optimized·code·loading·by·moving·certain·operations·from·the·code·server·to·the·caller.</p><p>Own·Id:·OTP-18941·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7981"·title="">PR-7981</a></p></li><li><p>Updated·asmjit·to·version·a465fe71ab3d0e224b2b4bd0fac69ae68ab9239d</p><p>Own·Id:·OTP-18942</p></li><li><p>The·deprecated·functions·in·<a·href="zlib.html"><code·class="inline">zlib</code></a>·have·been·removed.·That·includes·<code·class="inline">inflateChunk/{1,2}</code>,·<code·class="inline">getBufSize/1</code>,·<code·class="inline">setBufSize/2</code>,·the·CRC32·functions,·and·the·Adler·checksum·functions.</p><p>Own·Id:·OTP-18950</p></li><li><p>The·documentation·has·been·migrated·to·use·Markdown·and·ExDoc.</p><p>Own·Id:·OTP-18955·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8026"·title="">PR-8026</a></p></li><li><p>Safe·destructive·update·of·tuples·has·been·implemented·in·the·compiler·and·runtime·system.·This·allows·the·VM·to·update·tuples·in-place·when·it·is·safe·to·do·so,·thus·improving·performance·by·doing·less·copying·but·also·by·producing·less·garbage.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 269 | <ul><li><p>Refactored·how·the·JIT·handles·POSIX·signals·and·how·they·affect·thread·stacks,·allowing·us·to·use·the·native·stack·register·for·Erlang·stacks·on·more·platforms.</p><p>Notably,·containers·built·on·64-bit·x86·Alpine·Linux·images·will·now·perform·much·better·in·sequential·code.·As·an·example,·running·<code·class="inline">dialyzer</code>·over·the·OTP·code·base·finishes·about·15%·quicker.</p><p>Own·Id:·OTP-18568·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7174"·title="">PR-7174</a></p></li><li><p>The·<a·href="../../../lib/runtime_tools-2.1.1/doc/html/instrument.html"><code·class="inline">instrument</code></a>·module·can·now·track·allocations·on·a·per-process·or·per-port·basis.</p><p>Own·Id:·OTP-18577·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7236"·title="">PR-7236</a></p></li><li><p>The·<code·class="inline">pid</code>·field·returned·from·<a·href="erlang.html#fun_info/2"><code·class="inline">erlang:fun_info/1,2</code></a>·is·now·always·the·pid·for·the·<code·class="inline">init</code>·process·of·the·local·node,·not·the·pid·for·the·actual·process·that·created·the·fun.</p><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-18594·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7274"·title="">PR-7274</a></p></li><li><p>By·default,·escripts·will·now·be·compiled·instead·of·interpreted.·That·means·that·the·<code·class="inline">compiler</code>·application·must·be·installed.</p><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-18639·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7348"·title="">PR-7348</a></p></li><li><p>A·binary·returned·from·the·<a·href="../../../lib/kernel-10.2.3/doc/html/socket.html"><code·class="inline">socket</code></a>·receive·functions·is·no·longer·created·as·a·sub·binary·of·an·often·large·receive·buffer·binary·(socket·option·<code·class="inline">{otp,rcvbuf}</code>).··This·avoids·space·waste,·trusting·the·allocators·to·implement·reallocation·efficiently.</p><p>Own·Id:·OTP-18642·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/6152"·title="">GH-6152</a>,·<a·href="https://github.com/erlang/otp/pull/7465"·title="">PR-7465</a></p></li><li><p>The·default·process·limit·has·been·raised·to·<code·class="inline">1048576</code>·processes.</p><p>Own·Id:·OTP-18699·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7388"·title="">PR-7388</a></p></li><li><p>The·<a·href="erlang.html#system_monitor/2"><code·class="inline">erlang:system_monitor/2</code></a>·functionality·is·now·able·to·monitor·long·message·queues·in·the·system.</p><p>Own·Id:·OTP-18709·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7651"·title="">PR-7651</a></p></li><li><p>The·<code·class="inline">erl</code>·command·now·supports·the·<code·class="inline">-S</code>·flag,·which·is·similar·to·the·<code·class="inline">-run</code>·flag,·except·that·it·will·pass·all·arguments·up·to·end·of·the·command·line·to·the·called·function.·(The·<code·class="inline">-run</code>·flag·will·not·pass·arguments·beginning·with·a·hyphen.)·Another·difference·is·that·<code·class="inline">-S</code>·will·always·call·a·function·with·one·argument,·passing·an·empty·list·if·no·arguments·were·given.</p><p>Own·Id:·OTP-18744·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7470"·title="">PR-7470</a></p></li><li><p>When·implementing·an·alternative·carrier·for·the·Erlang·distribution,·a·separate·input·handler·process·may·now·be·registered,·using·<a·href="erlang.html#dist_ctrl_input_handler/2"><code·class="inline">erlang:dist_ctrl_input_handler/2</code></a>,·also·in·the·case·when·the·distribution·controller·is·a·port.</p><p>Own·Id:·OTP-18774·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7110"·title="">PR-7110</a></p></li><li><p>The·call·stack·trace·has·now·been·added·to·the·error·reported·by·<a·href="erlang.html#process_flag/2"><code·class="inline">erlang:process_flag/2</code></a>·when·<code·class="inline">max_heap_size</code>·limit·has·been·exceeded.</p><p>Own·Id:·OTP-18779·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7592"·title="">PR-7592</a></p></li><li><p><code·class="inline">-callback</code>·attributes·have·been·added·to·<a·href="erl_tracer.html"><code·class="inline">erl_tracer</code></a>.</p><p>Own·Id:·OTP-18794·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7703"·title="">PR-7703</a></p></li><li><p>For·<code·class="inline">inet_backend·=·socket</code>,·setting·the·<code·class="inline">active</code>·socket·option·alone,·to·<code·class="inline">once</code>,·<code·class="inline">true</code>·or·<code·class="inline">N</code>·has·been·optimized,·as·well·as·the·corresponding·data·delivery.</p><p>Own·Id:·OTP-18835</p></li><li><p>New·functions·<code·class="inline">socket:sendv/*</code>·for·sending·I/O·vectors·have·been·added.</p><p>Own·Id:·OTP-18845</p></li><li><p>Socket·options·that·take·string·now·also·accept·binaries.</p><p>Own·Id:·OTP-18849·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/6510"·title="">PR-6510</a></p></li><li><p>Native·coverage·support·has·been·implemented·in·the·JIT.·It·will··automatically·be·used·by·the·<a·href="../../../lib/tools-4.1.1/doc/html/cover.html"><code·class="inline">cover</code></a>·tool·to·reduce·the·execution·overhead·when·running·cover-compiled·code.</p><p>There·are·also·new·APIs·to·support·native·coverage·without·using·the·<code·class="inline">cover</code>·tool.</p><p>To·instrument·code·for·native·coverage·it·must·be·compiled·with·the·<a·href="../../../lib/compiler-8.6/doc/html/compile.html#line_coverage"><code·class="inline">line_coverage</code></a>·option.</p><p>To·enable·native·coverage·in·the·runtime·system,·start·it·like·so:</p><pre><code·class="text">$·erl·+JPcover·true</code></pre><p>There·are·also·the·following·new·functions·for·supporting·native·coverage:</p><ul><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#coverage_support/0"><code·class="inline">code:coverage_support/0</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage/2"><code·class="inline">code:get_coverage/2</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#reset_coverage/1"><code·class="inline">code:reset_coverage/1</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/0"><code·class="inline">code:get_coverage_mode/0</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/1"><code·class="inline">code:get_coverage_mode/1</code></a></li><li><a·href="../../../lib/kernel-10.2.3/doc/html/code.html#set_coverage_mode/1"><code·class="inline">code:set_coverage_mode/1</code></a></li></ul><p>Own·Id:·OTP-18856·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7856"·title="">PR-7856</a></p></li><li><p>Changed·the·default·value·of·the·command·line·flag·<code·class="inline">-code_path_choice</code>·to·<code·class="inline">strict</code>.·</p><p>Note·that·for·application·systems·using·archives,·it·is·necessary·to·add·the·<code·class="inline">code_path_choice·relaxed</code>·to·the·command·line·that·invokes·<code·class="inline">erl</code>.</p><p>Own·Id:·OTP-18894·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7243"·title="">PR-7243</a></p></li><li><p>Added·module·loading·to·<code·class="inline">erl·-init_debug</code>·printouts.</p><p>Own·Id:·OTP-18929·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8004"·title="">PR-8004</a></p></li><li><p>When·the·runtime·system·halts,·it·performs·various·flush·operations·before·terminating.·By·default·there·is·no·limit·on·how·much·time·the·flush·operations·are·allowed·to·take.·A·new·<em>halt·flush·timeout</em>·functionality·has·been·introduced·which·can·be·used·for·limiting·the·amount·of·time·that·the·flushing·operations·are·allowed·to·take.·For·more·information·see·the·documentation·of·the·<a·href="erlang.html#halt_flush_timeout"><code·class="inline">flush_timeout</code></a>·option·of·the·<a·href="erlang.html#halt/2"><code·class="inline">erlang:halt/2</code></a>·BIF·and·the·documentation·of·the·<code·class="inline">erl</code>·<a·href="erl_cmd.html#+zhft"><code·class="inline">+zhft·<Timeout></code></a>·command·line·flag.</p><p>Own·Id:·OTP-18938·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8035"·title="">PR-8035</a>,·<a·href="https://github.com/erlang/otp/issues/7438"·title="">GH-7438</a></p></li><li><p>Optimized·code·loading·by·moving·certain·operations·from·the·code·server·to·the·caller.</p><p>Own·Id:·OTP-18941·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7981"·title="">PR-7981</a></p></li><li><p>Updated·asmjit·to·version·a465fe71ab3d0e224b2b4bd0fac69ae68ab9239d</p><p>Own·Id:·OTP-18942</p></li><li><p>The·deprecated·functions·in·<a·href="zlib.html"><code·class="inline">zlib</code></a>·have·been·removed.·That·includes·<code·class="inline">inflateChunk/{1,2}</code>,·<code·class="inline">getBufSize/1</code>,·<code·class="inline">setBufSize/2</code>,·the·CRC32·functions,·and·the·Adler·checksum·functions.</p><p>Own·Id:·OTP-18950</p></li><li><p>The·documentation·has·been·migrated·to·use·Markdown·and·ExDoc.</p><p>Own·Id:·OTP-18955·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8026"·title="">PR-8026</a></p></li><li><p>Safe·destructive·update·of·tuples·has·been·implemented·in·the·compiler·and·runtime·system.·This·allows·the·VM·to·update·tuples·in-place·when·it·is·safe·to·do·so,·thus·improving·performance·by·doing·less·copying·but·also·by·producing·less·garbage.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="3026430122-1">(</span><span·class="ss">rec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3026430122-2">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·110,·SHA:·9a290b7d960744a0ca79837c345526cc8f412e09787e8f1deab91383010a3df7·...·]2-1">)</span><span·class="p">.</span><span·class="w"> |
| 270 | </span><span·class="nf">update</span><span·class="p"·data-group-id=" | 270 | </span><span·class="nf">update</span><span·class="p"·data-group-id="3026430122-3">(</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="3026430122-4">{</span><span·class="ss">a</span><span·class="o">=</span><span·class="ss">needs_update</span><span·class="p">,</span><span·class="ss">b</s[·...·truncated·by·diffoscope;·len:·194,·SHA:·b6c83568cccbb7f6eb860489c4cd2daac37ef074f340e5d2e54407e9d76ea5ac·...·]2-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 271 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">R0</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 271 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">R0</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="3026430122-5">{</span><span·class="ss">a</span><span·class="o">=</span><span·class="ss">up_to_date</span><span·class="p"·data-group-id="3026430122-5">}</span><span·class="p">,</span><span·class="w"> |
| 272 | ····</span><span·class="k">if</span><span·class="w"> | 272 | ····</span><span·class="k">if</span><span·class="w"> |
| 273 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 273 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 274 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 274 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="3026430122-6">{</span><span·class="ss">c</span><span·class="o">=</span><span·class="ss">negative</span><span·class="p"·data-group-id="3026430122-6">}</span><span·class="p">;</span><span·class="w"> |
| 275 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 275 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 276 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 276 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="3026430122-7">{</span><span·class="ss">c</span><span·class="o">=</span><span·class="ss">zero</span><span·class="p"·data-group-id="3026430122-7">}</span><span·class="p">;</span><span·class="w"> |
| 277 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 277 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 278 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 278 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="3026430122-8">{</span><span·class="ss">c</span><span·class="o">=</span><span·class="ss">positive</span><span·class="p"·data-group-id="3026430122-8">}</span><span·class="w"> |
| 279 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·record·updates·in·each·of·the·three·clauses·of·the·<code·class="inline">if</code>·can·safely·be·done·in-place,·because·variable·<code·class="inline">R</code>·is·not·used·again.</p><p>Own·Id:·OTP-18972·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8090"·title="">PR-8090</a></p></li><li><p>The·obsolete·and·undocumented·support·for·opening·a·port·to·an·external | 279 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·record·updates·in·each·of·the·three·clauses·of·the·<code·class="inline">if</code>·can·safely·be·done·in-place,·because·variable·<code·class="inline">R</code>·is·not·used·again.</p><p>Own·Id:·OTP-18972·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8090"·title="">PR-8090</a></p></li><li><p>The·obsolete·and·undocumented·support·for·opening·a·port·to·an·external |
| 280 | resource·by·passing·an·atom·(or·a·string)·as·first·argument·to | 280 | resource·by·passing·an·atom·(or·a·string)·as·first·argument·to |
| 281 | <a·href="erlang.html#open_port/2"><code·class="inline">open_port()</code></a>,·implemented·by·the·vanilla·driver, | 281 | <a·href="erlang.html#open_port/2"><code·class="inline">open_port()</code></a>,·implemented·by·the·vanilla·driver, |
| 282 | has·been·removed.·This·feature·has·been·scheduled·for·removal·in·OTP·27 | 282 | has·been·removed.·This·feature·has·been·scheduled·for·removal·in·OTP·27 |
| 283 | since·the·release·of·OTP·26.</p><p>Own·Id:·OTP-18976·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7125"·title="">PR-7125</a></p></li><li><p>An·optional·NIF·callback·<code·class="inline">ERL_NIF_OPT_ON_UNLOAD_THREAD</code>·to·be·called·by·all·scheduler·threads·when·a·NIF·library·is·unloaded.·Used·for·releasing·thread·specific·data.·Can·be·set·with·function·<code·class="inline">enif_set_option</code>.</p><p>Own·Id:·OTP-18977·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7809"·title="">PR-7809</a></p></li><li><p>There·is·a·new·module·<a·href="../../../lib/kernel-10.2.3/doc/html/trace.html"><code·class="inline">trace</code></a>·in·Kernel·providing·the·same·trace·functionality·as·<a·href="erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·and·<a·href="erlang.html#trace_pattern/3"><code·class="inline">erlang:trace_pattern/3</code></a>,·but·with·the·addition·of·<strong>dynamic·isolated·trace·sessions</strong>.</p><p>Own·Id:·OTP-18980</p></li><li><p>Added·the·<code·class="inline">+MMlp·on|off</code>·emulator·option·to·let·the·<code·class="inline">mseg</code>·allocator·use·"large·pages"·(sometimes·known·as·"huge·pages"·or·"super·pages").·This·currently·only·affects·super-carrier·allocations,·but·may·be·extended·in·the·future.</p><p>Own·Id:·OTP-18984·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7977"·title="">PR-7977</a></p></li><li><p><code·class="inline">inet_backend·=·socket</code>·has·been·optimized·and·reworked·to·be·more·compatible·with·the·original·<code·class="inline">inet_backend·=·inet</code>.</p><p>Own·Id:·OTP-19004·Aux·Id:·OTP-18835</p></li><li><p>The·<code·class="inline">socket</code>·documentation·has·been·reworked,·and·due·to | 283 | since·the·release·of·OTP·26.</p><p>Own·Id:·OTP-18976·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7125"·title="">PR-7125</a></p></li><li><p>An·optional·NIF·callback·<code·class="inline">ERL_NIF_OPT_ON_UNLOAD_THREAD</code>·to·be·called·by·all·scheduler·threads·when·a·NIF·library·is·unloaded.·Used·for·releasing·thread·specific·data.·Can·be·set·with·function·<code·class="inline">enif_set_option</code>.</p><p>Own·Id:·OTP-18977·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7809"·title="">PR-7809</a></p></li><li><p>There·is·a·new·module·<a·href="../../../lib/kernel-10.2.3/doc/html/trace.html"><code·class="inline">trace</code></a>·in·Kernel·providing·the·same·trace·functionality·as·<a·href="erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·and·<a·href="erlang.html#trace_pattern/3"><code·class="inline">erlang:trace_pattern/3</code></a>,·but·with·the·addition·of·<strong>dynamic·isolated·trace·sessions</strong>.</p><p>Own·Id:·OTP-18980</p></li><li><p>Added·the·<code·class="inline">+MMlp·on|off</code>·emulator·option·to·let·the·<code·class="inline">mseg</code>·allocator·use·"large·pages"·(sometimes·known·as·"huge·pages"·or·"super·pages").·This·currently·only·affects·super-carrier·allocations,·but·may·be·extended·in·the·future.</p><p>Own·Id:·OTP-18984·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7977"·title="">PR-7977</a></p></li><li><p><code·class="inline">inet_backend·=·socket</code>·has·been·optimized·and·reworked·to·be·more·compatible·with·the·original·<code·class="inline">inet_backend·=·inet</code>.</p><p>Own·Id:·OTP-19004·Aux·Id:·OTP-18835</p></li><li><p>The·<code·class="inline">socket</code>·documentation·has·been·reworked,·and·due·to |
| 284 | that·a·few·details·were·fixed:</p><ul><li><a·href="../../../lib/kernel-10.2.3/doc/html/socket.html#is_supported/1"><code·class="inline">socket:is_supported/1</code></a>·now·returns·<code·class="inline">true</code>·for·example·for·<code·class="inline">protocols</code> | 284 | that·a·few·details·were·fixed:</p><ul><li><a·href="../../../lib/kernel-10.2.3/doc/html/socket.html#is_supported/1"><code·class="inline">socket:is_supported/1</code></a>·now·returns·<code·class="inline">true</code>·for·example·for·<code·class="inline">protocols</code> |
| 285 | that·is·a·"category",·not·an·item.</li><li><a·href="../../../lib/kernel-10.2.3/doc/html/socket.html#cancel_monitor/1"><code·class="inline">socket:cancel_monitor/1</code></a>·no·longer·badargs·for·a·monitor·that·was·set·by | 285 | that·is·a·"category",·not·an·item.</li><li><a·href="../../../lib/kernel-10.2.3/doc/html/socket.html#cancel_monitor/1"><code·class="inline">socket:cancel_monitor/1</code></a>·no·longer·badargs·for·a·monitor·that·was·set·by |
| Offset 3218, 17 lines modified | Offset 3218, 17 lines modified | ||
| 3218 | markedly·so·when·the·maximum·number·of·file·descriptors·has·been·tuned·to·a | 3218 | markedly·so·when·the·maximum·number·of·file·descriptors·has·been·tuned·to·a |
| 3219 | large·number.</p><p>Instead,·in·erl_child_setup,·walk·the·open·descriptors·under·<code·class="inline">/dev/fd</code>·and | 3219 | large·number.</p><p>Instead,·in·erl_child_setup,·walk·the·open·descriptors·under·<code·class="inline">/dev/fd</code>·and |
| 3220 | close·only·those·which·are·open.</p><p>This·optimization·affects·the·CPU·usage·of·starting·a·new·Erlang·instance.</p><p>Own·Id:·OTP-16270</p></li><li><p>Optimized·<a·href="../../../lib/stdlib-6.2.1/doc/html/maps.html#merge/2"><code·class="inline">maps:merge/2</code></a>·for·trivial·cases·of·an·empty·map(s)·or·same·map.</p><p>Own·Id:·OTP-16283·Aux·Id:·PR-2441</p></li><li><p>The·new·experimental·<code·class="inline">socket</code>·module·has·been·moved·to·the·Kernel·application.</p><p>Own·Id:·OTP-16312</p></li><li><p>Improved·the·presentation·of·allocations·and·carriers·in·the·<code·class="inline">instrument</code> | 3220 | close·only·those·which·are·open.</p><p>This·optimization·affects·the·CPU·usage·of·starting·a·new·Erlang·instance.</p><p>Own·Id:·OTP-16270</p></li><li><p>Optimized·<a·href="../../../lib/stdlib-6.2.1/doc/html/maps.html#merge/2"><code·class="inline">maps:merge/2</code></a>·for·trivial·cases·of·an·empty·map(s)·or·same·map.</p><p>Own·Id:·OTP-16283·Aux·Id:·PR-2441</p></li><li><p>The·new·experimental·<code·class="inline">socket</code>·module·has·been·moved·to·the·Kernel·application.</p><p>Own·Id:·OTP-16312</p></li><li><p>Improved·the·presentation·of·allocations·and·carriers·in·the·<code·class="inline">instrument</code> |
| 3221 | module.</p><p>Own·Id:·OTP-16327</p></li><li><p>As·announced·in·OTP·22.0,·the·previously·existing·limited·support·for·VxWorks | 3221 | module.</p><p>Own·Id:·OTP-16327</p></li><li><p>As·announced·in·OTP·22.0,·the·previously·existing·limited·support·for·VxWorks |
| 3222 | has·now·been·removed.</p><p>*<strong>·POTENTIAL·INCOMPATIBILITY·*</strong></p><p>Own·Id:·OTP-16329·Aux·Id:·OTP-15621</p></li><li><p>The·return·value·when·using·the·<code·class="inline">httph</code>·and·<code·class="inline">httph_bin</code>·option·to | 3222 | has·now·been·removed.</p><p>*<strong>·POTENTIAL·INCOMPATIBILITY·*</strong></p><p>Own·Id:·OTP-16329·Aux·Id:·OTP-15621</p></li><li><p>The·return·value·when·using·the·<code·class="inline">httph</code>·and·<code·class="inline">httph_bin</code>·option·to |
| 3223 | <a·href="erlang.html#decode_packet/3"><code·class="inline">erlang:decode_packet/3</code></a>·and·<a·href="../../../lib/kernel-10.2.3/doc/html/inet.html#setopts/2"><code·class="inline">inet:setopts/2</code></a>·has·been·changed·to·also·include | 3223 | <a·href="erlang.html#decode_packet/3"><code·class="inline">erlang:decode_packet/3</code></a>·and·<a·href="../../../lib/kernel-10.2.3/doc/html/inet.html#setopts/2"><code·class="inline">inet:setopts/2</code></a>·has·been·changed·to·also·include |
| 3224 | the·original·header·unmodified.·See·<a·href="erlang.html#decode_packet/3"><code·class="inline">erlang:decode_packet/3</code></a>.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="o">></span><span·class="w"> | 3224 | the·original·header·unmodified.·See·<a·href="erlang.html#decode_packet/3"><code·class="inline">erlang:decode_packet/3</code></a>.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="o">></span><span·class="w"> |
| 3225 | ······</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">decode_packet</span><span·class="p"·data-group-id=" | 3225 | ······</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">decode_packet</span><span·class="p"·data-group-id="7402998839-1">(</span><span·class="ss">httph_bin</span><span·class="p">,</span><span·class="p"·data-group-id="7402998839-2"><<</span><span·class="s">"HELLO: |
| 3226 | ······hi\r\n\r\n"</span><span·class="p"·data-group-id="9779285592-2">>></span><span·class="p">,</span><span·class="p"·data-group-id="9779285592-3">[</span><span·class="p"·data-group-id="9779285592-3">]</span><span·class="p"·data-group-id="9779285592-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 3227 | ······</span><span·class="p"·data-group-id=" | 3226 | ······hi\r\n\r\n"</span><span·class="p"·data-group-id="7402998839-2">>></span><span·class="p">,</span><span·class="p"·data-group-id="7402998839-3">[</span><span·class="p"·data-group-id="7402998839-3">]</span><span·class="p"·data-group-id="7402998839-1[·...·truncated·by·diffoscope;·len:·50,·SHA:·7c76ffcbdd2b9b0809992215d4bc03869c03819d4f2872424fd7856db727c221·...·] |
| 3227 | ······</span><span·class="p"·data-group-id="7402998839-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="7402998839-5">{</span><span·class="ss">http_header</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p"·data-group-id="7402998839-6"><<</span><span·class="s">"Hello"</span><span·class="p"·data-group-id="7402998839-6">>></span><span·class="p">,</span><span·class="p"·data-group-id="7402998839-7"><<</span><span·class="s">"HELLO"</span><span·class="p"·data-group-id="7402998839-7">>></span><span·class="p">,</span><span·class="p"·data-group-id="7402998839-8"><<</span><span·class="s">"hi"</span><span·class="p"·data-group-id="7402998839-8">>></span><span·class="p"·data-group-id="7402998839-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="7402998839-9"><<</span><span·class="s">"\r\n"</span><span·class="p"·data-group-id="7402998839-9">>></span><span·class="p"·data-group-id="7402998839-4">}</span></code></pre><p>Own·Id:·OTP-16347·Aux·Id:·PR-2466</p></li><li><p>Ensure·<a·href="../../../lib/kernel-10.2.3/doc/html/net_kernel.html#monitor_nodes/1"><code·class="inline">net_kernel:monitor_nodes/1</code></a>·sends·<code·class="inline">nodedown</code>·messages·of·a·failed | ||
| 3228 | connection·before·<code·class="inline">nodeup</code>·messages·of·a·reestablished·connection·toward·the | 3228 | connection·before·<code·class="inline">nodeup</code>·messages·of·a·reestablished·connection·toward·the |
| 3229 | same·node.</p><p>Own·Id:·OTP-16362</p></li><li><p>Update·of·<a·href="../../../lib/kernel-10.2.3/doc/html/seq_trace.html#whatis">sequential·tracing</a>·to·also·support·other | 3229 | same·node.</p><p>Own·Id:·OTP-16362</p></li><li><p>Update·of·<a·href="../../../lib/kernel-10.2.3/doc/html/seq_trace.html#whatis">sequential·tracing</a>·to·also·support·other |
| 3230 | information·transfers·than·message·passing.</p><p>Own·Id:·OTP-16370·Aux·Id:·OTP-15251,·OTP-15232</p></li><li><p>socket:·It·is·now·possible·to·create·a·socket·from·an·already·existing·file | 3230 | information·transfers·than·message·passing.</p><p>Own·Id:·OTP-16370·Aux·Id:·OTP-15251,·OTP-15232</p></li><li><p>socket:·It·is·now·possible·to·create·a·socket·from·an·already·existing·file |
| 3231 | descriptor.</p><p>Own·Id:·OTP-16398·Aux·Id:·ERL-1154</p></li><li><p>socket:·The·socket:supports/1·function·now·also·report·if·netns·is·supported | 3231 | descriptor.</p><p>Own·Id:·OTP-16398·Aux·Id:·ERL-1154</p></li><li><p>socket:·The·socket:supports/1·function·now·also·report·if·netns·is·supported |
| 3232 | or·not.</p><p>Own·Id:·OTP-16432</p></li><li><p><code·class="inline">=:=</code>·has·been·optimized·to·return·<code·class="inline">false</code>·immediately·when·comparing·two·maps | 3232 | or·not.</p><p>Own·Id:·OTP-16432</p></li><li><p><code·class="inline">=:=</code>·has·been·optimized·to·return·<code·class="inline">false</code>·immediately·when·comparing·two·maps |
| 3233 | of·different·sizes.</p><p>Own·Id:·OTP-16454</p></li><li><p>Changed·the·behaviour·of·passing·the·<code·class="inline">erl</code>·command·line·argument | 3233 | of·different·sizes.</p><p>Own·Id:·OTP-16454</p></li><li><p>Changed·the·behaviour·of·passing·the·<code·class="inline">erl</code>·command·line·argument |
| 3234 | <a·href="erl_cmd.html#async_thread_pool_size"><code·class="inline">+A·0</code></a>·to·silently·imply·<code·class="inline">+A·1</code>.·That·is, | 3234 | <a·href="erl_cmd.html#async_thread_pool_size"><code·class="inline">+A·0</code></a>·to·silently·imply·<code·class="inline">+A·1</code>.·That·is, |
| Offset 10935, 20 lines modified | Offset 10935, 20 lines modified | ||
| 10935 | <ul><li><p>Previously·<a·href="erlang.html#unlink/1"><code·class="inline">unlink/1</code></a>·and·<a·href="erlang.html#demonitor/2"><code·class="inline">erlang:demonitor/2</code></a>·behaved | 10935 | <ul><li><p>Previously·<a·href="erlang.html#unlink/1"><code·class="inline">unlink/1</code></a>·and·<a·href="erlang.html#demonitor/2"><code·class="inline">erlang:demonitor/2</code></a>·behaved |
| 10936 | completely·asynchronous.·This·had·one·undesirable·effect,·though.·You·could | 10936 | completely·asynchronous.·This·had·one·undesirable·effect,·though.·You·could |
| 10937 | never·know·when·you·were·guaranteed·<em>not</em>·to·be·affected·by·a·link·that·you | 10937 | never·know·when·you·were·guaranteed·<em>not</em>·to·be·affected·by·a·link·that·you |
| 10938 | had·unlinked·or·a·monitor·that·you·had·demonitored.</p><p>The·new·behavior·of·<a·href="erlang.html#unlink/1"><code·class="inline">unlink/1</code></a>·and·<a·href="erlang.html#demonitor/2"><code·class="inline">erlang:demonitor/2</code></a>·can·be | 10938 | had·unlinked·or·a·monitor·that·you·had·demonitored.</p><p>The·new·behavior·of·<a·href="erlang.html#unlink/1"><code·class="inline">unlink/1</code></a>·and·<a·href="erlang.html#demonitor/2"><code·class="inline">erlang:demonitor/2</code></a>·can·be |
| 10939 | viewed·as·two·operations·performed·atomically.·Asynchronously·send·an·unlink | 10939 | viewed·as·two·operations·performed·atomically.·Asynchronously·send·an·unlink |
| 10940 | signal·or·a·demonitor·signal,·and·ignore·any·future·results·of·the·link·or | 10940 | signal·or·a·demonitor·signal,·and·ignore·any·future·results·of·the·link·or |
| 10941 | monitor.</p><p><em>NOTE</em>:·This·change·can·cause·some·obscure·code·to·fail·which·previously·did | 10941 | monitor.</p><p><em>NOTE</em>:·This·change·can·cause·some·obscure·code·to·fail·which·previously·did |
| 10942 | not.·For·example,·the·following·code·might·hang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">············</span><span·class="n">Mon</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monitor</span><span·class="p"·data-group-id="21 | 10942 | not.·For·example,·the·following·code·might·hang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">············</span><span·class="n">Mon</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monitor</span><span·class="p"·data-group-id="8244146698-1">(</span><span·class="ss">process</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="8244146698-1">)</span><span·class="p">,</span><span·class="w"> |
| 10943 | ············</span><span·class="c1">%%·...</span><span·class="w"> | 10943 | ············</span><span·class="c1">%%·...</span><span·class="w"> |
| 10944 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id="21 | 10944 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id="8244146698-2">(</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bang</span><span·class="p"·data-group-id="8244146698-2">)</span><span·class="p">,</span><span·class="w"> |
| 10945 | ············</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id="21 | 10945 | ············</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id="8244146698-3">(</span><span·class="n">Mon</span><span·class="p"·data-group-id="8244146698-3">)</span><span·class="p">,</span><span·class="w"> |
| 10946 | ············</span><span·class="k">receive</span><span·class="w"> | 10946 | ············</span><span·class="k">receive</span><span·class="w"> |
| 10947 | ················</span><span·class="p"·data-group-id="21 | 10947 | ················</span><span·class="p"·data-group-id="8244146698-4">{</span><span·class="ss">'DOWN'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mon</span><span·class="w">·</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">process</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·168,·SHA:·e75084da803f77dedd0961a67977b7534bd2319fa2cfdbcd9b4eaa175f642086·...·]-4">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w"> |
| 10948 | ············</span><span·class="c1">%%·We·were·previously·guaranteed·to·get·a·down·message</span><span·class="w"> | 10948 | ············</span><span·class="c1">%%·We·were·previously·guaranteed·to·get·a·down·message</span><span·class="w"> |
| 10949 | ············</span><span·class="c1">%%·(since·we·exited·the·process·ourself),·so·we·could</span><span·class="w"> | 10949 | ············</span><span·class="c1">%%·(since·we·exited·the·process·ourself),·so·we·could</span><span·class="w"> |
| 10950 | ············</span><span·class="c1">%%·in·this·case·leave·out:</span><span·class="w"> | 10950 | ············</span><span·class="c1">%%·in·this·case·leave·out:</span><span·class="w"> |
| 10951 | ············</span><span·class="c1">%%·after·0·->·ok</span><span·class="w"> | 10951 | ············</span><span·class="c1">%%·after·0·->·ok</span><span·class="w"> |
| 10952 | ············</span><span·class="k">end</span><span·class="p">,</span></code></pre><p>*<strong>·POTENTIAL·INCOMPATIBILITY·*</strong></p><p>Own·Id:·OTP-5772</p></li><li><p>Two·bugs·fixed:·If·the·environment·variable·<code·class="inline">ERL_FLAGS</code>·was·set,·its·contents | 10952 | ············</span><span·class="k">end</span><span·class="p">,</span></code></pre><p>*<strong>·POTENTIAL·INCOMPATIBILITY·*</strong></p><p>Own·Id:·OTP-5772</p></li><li><p>Two·bugs·fixed:·If·the·environment·variable·<code·class="inline">ERL_FLAGS</code>·was·set,·its·contents |
| 10953 | would·be·appended·to·the·end·of·the·command·line·even·if·the·command·line·had | 10953 | would·be·appended·to·the·end·of·the·command·line·even·if·the·command·line·had |
| 10954 | an·<code·class="inline">-extra</code>·options.·Changed·to·place·the·options·from·<code·class="inline">ERL_FLAGS</code>·just·before | 10954 | an·<code·class="inline">-extra</code>·options.·Changed·to·place·the·options·from·<code·class="inline">ERL_FLAGS</code>·just·before |
| Offset 11494, 15 lines modified | Offset 11494, 15 lines modified | ||
| 11494 | ······<p·class="built-using"> | 11494 | ······<p·class="built-using"> |
| 11495 | ········Built·using | 11495 | ········Built·using |
| 11496 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 11496 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 11497 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 11497 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 11498 | ······</p> | 11498 | ······</p> |
| 11499 | <p>Copyright·©·1996-202 | 11499 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 11500 | ····</footer> | 11500 | ····</footer> |
| 11501 | ··</div> | 11501 | ··</div> |
| 11502 | </main> | 11502 | </main> |
| 11503 | </div> | 11503 | </div> |
| 11504 | <script> | 11504 | <script> |
| 11505 | ··function·mermaidLoaded()·{ | 11505 | ··function·mermaidLoaded()·{ |
| 11506 | ····mermaid.initialize({ | 11506 | ····mermaid.initialize({ |
| Offset 196, 17 lines modified | Offset 196, 17 lines modified | ||
| 196 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 196 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 197 | ··</a> | 197 | ··</a> |
| 198 | ··<span·class="text">Example</span> | 198 | ··<span·class="text">Example</span> |
| 199 | </h2> | 199 | </h2> |
| 200 | <p>The·following·example·shows·how·lock·contention·for·ETS·tables·can·be·minimized | 200 | <p>The·following·example·shows·how·lock·contention·for·ETS·tables·can·be·minimized |
| 201 | by·having·one·ETS·table·for·each·scheduler.·The·table·identifiers·for·the·ETS | 201 | by·having·one·ETS·table·for·each·scheduler.·The·table·identifiers·for·the·ETS |
| 202 | tables·are·stored·as·a·single·persistent·term:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="c1">%%·There·is·one·ETS·table·for·each·scheduler.</span><span·class="w"> | 202 | tables·are·stored·as·a·single·persistent·term:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="c1">%%·There·is·one·ETS·table·for·each·scheduler.</span><span·class="w"> |
| 203 | ····</span><span·class="n">Sid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id=" | 203 | ····</span><span·class="n">Sid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="7947935694-1">(</span><span·class="ss">scheduler_id</span><span·class="p"·data-group-id="7947935694-1">)</span><span·class="p">,</span><span·class="w"> |
| 204 | ····</span><span·class="n">Tid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="n">Tid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id="7947935694-2">(</span><span·class="n">Sid</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">persistent_term</span><span·class="p">:</span><span·class="nf">get</span><span·class="p"·data-group-id="7947935694-3">(</span><span·class="o">?[·...·truncated·by·diffoscope;·len:·130,·SHA:·2d58b831a074be3a236e0de4a1503a8c0e16c26e6cc4f4b3ecd8839ee517b663·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 205 | ····</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">update_counter</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">update_counter</span><span·class="p"·data-group-id="7947935694-4">(</span><span·class="n">Tid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="7947935694-4">)</span><span·class="p">.</span></code></pre> |
| 206 | ····</section> | 206 | ····</section> |
| 207 | </div> | 207 | </div> |
| 208 | ··<section·id="summary"·class="details-list"> | 208 | ··<section·id="summary"·class="details-list"> |
| 209 | ····<h1·class="section-heading"> | 209 | ····<h1·class="section-heading"> |
| 210 | ······<a·class="hover-link"·href="#summary"> | 210 | ······<a·class="hover-link"·href="#summary"> |
| Offset 593, 15 lines modified | Offset 593, 15 lines modified | ||
| 593 | ······<p·class="built-using"> | 593 | ······<p·class="built-using"> |
| 594 | ········Built·using | 594 | ········Built·using |
| 595 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 595 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 596 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 596 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 597 | ······</p> | 597 | ······</p> |
| 598 | <p>Copyright·©·1996-202 | 598 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 599 | ····</footer> | 599 | ····</footer> |
| 600 | ··</div> | 600 | ··</div> |
| 601 | </main> | 601 | </main> |
| 602 | </div> | 602 | </div> |
| 603 | <script> | 603 | <script> |
| 604 | ··function·mermaidLoaded()·{ | 604 | ··function·mermaidLoaded()·{ |
| 605 | ····mermaid.initialize({ | 605 | ····mermaid.initialize({ |
| Offset 399, 15 lines modified | Offset 399, 15 lines modified | ||
| 399 | ······<p·class="built-using"> | 399 | ······<p·class="built-using"> |
| 400 | ········Built·using | 400 | ········Built·using |
| 401 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 401 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 402 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 402 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 403 | ······</p> | 403 | ······</p> |
| 404 | <p>Copyright·©·1996-202 | 404 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 405 | ····</footer> | 405 | ····</footer> |
| 406 | ··</div> | 406 | ··</div> |
| 407 | </main> | 407 | </main> |
| 408 | </div> | 408 | </div> |
| 409 | <script> | 409 | <script> |
| 410 | ··function·mermaidLoaded()·{ | 410 | ··function·mermaidLoaded()·{ |
| 411 | ····mermaid.initialize({ | 411 | ····mermaid.initialize({ |
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| 320 | ······<p·class="built-using"> | 320 | ······<p·class="built-using"> |
| 321 | ········Built·using | 321 | ········Built·using |
| 322 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 322 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 323 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 323 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 324 | ······</p> | 324 | ······</p> |
| 325 | <p>Copyright·©·1996-202 | 325 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 326 | ····</footer> | 326 | ····</footer> |
| 327 | ··</div> | 327 | ··</div> |
| 328 | </main> | 328 | </main> |
| 329 | </div> | 329 | </div> |
| 330 | <script> | 330 | <script> |
| 331 | ··function·mermaidLoaded()·{ | 331 | ··function·mermaidLoaded()·{ |
| 332 | ····mermaid.initialize({ | 332 | ····mermaid.initialize({ |
| Offset 456, 15 lines modified | Offset 456, 15 lines modified | ||
| 456 | ······<p·class="built-using"> | 456 | ······<p·class="built-using"> |
| 457 | ········Built·using | 457 | ········Built·using |
| 458 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 458 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 459 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 459 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 460 | ······</p> | 460 | ······</p> |
| 461 | <p>Copyright·©·1996-202 | 461 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 462 | ····</footer> | 462 | ····</footer> |
| 463 | ··</div> | 463 | ··</div> |
| 464 | </main> | 464 | </main> |
| 465 | </div> | 465 | </div> |
| 466 | <script> | 466 | <script> |
| 467 | ··function·mermaidLoaded()·{ | 467 | ··function·mermaidLoaded()·{ |
| 468 | ····mermaid.initialize({ | 468 | ····mermaid.initialize({ |
| Offset 247, 15 lines modified | Offset 247, 15 lines modified | ||
| 247 | ······<p·class="built-using"> | 247 | ······<p·class="built-using"> |
| 248 | ········Built·using | 248 | ········Built·using |
| 249 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 249 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 250 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 250 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 251 | ······</p> | 251 | ······</p> |
| 252 | <p>Copyright·©·1996-202 | 252 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 253 | ····</footer> | 253 | ····</footer> |
| 254 | ··</div> | 254 | ··</div> |
| 255 | </main> | 255 | </main> |
| 256 | </div> | 256 | </div> |
| 257 | <script> | 257 | <script> |
| 258 | ··function·mermaidLoaded()·{ | 258 | ··function·mermaidLoaded()·{ |
| 259 | ····mermaid.initialize({ | 259 | ····mermaid.initialize({ |
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| 137 | ······<p·class="built-using"> | 137 | ······<p·class="built-using"> |
| 138 | ········Built·using | 138 | ········Built·using |
| 139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 141 | ······</p> | 141 | ······</p> |
| 142 | <p>Copyright·©·1996-202 | 142 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 143 | ····</footer> | 143 | ····</footer> |
| 144 | ··</div> | 144 | ··</div> |
| 145 | </main> | 145 | </main> |
| 146 | </div> | 146 | </div> |
| 147 | <script> | 147 | <script> |
| 148 | ··function·mermaidLoaded()·{ | 148 | ··function·mermaidLoaded()·{ |
| 149 | ····mermaid.initialize({ | 149 | ····mermaid.initialize({ |
| Offset 184, 15 lines modified | Offset 184, 15 lines modified | ||
| 184 | ······<p·class="built-using"> | 184 | ······<p·class="built-using"> |
| 185 | ········Built·using | 185 | ········Built·using |
| 186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 188 | ······</p> | 188 | ······</p> |
| 189 | <p>Copyright·©·1996-202 | 189 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 190 | ····</footer> | 190 | ····</footer> |
| 191 | ··</div> | 191 | ··</div> |
| 192 | </main> | 192 | </main> |
| 193 | </div> | 193 | </div> |
| 194 | <script> | 194 | <script> |
| 195 | ··function·mermaidLoaded()·{ | 195 | ··function·mermaidLoaded()·{ |
| 196 | ····mermaid.initialize({ | 196 | ····mermaid.initialize({ |
| Offset 230, 15 lines modified | Offset 230, 15 lines modified | ||
| 230 | ······<p·class="built-using"> | 230 | ······<p·class="built-using"> |
| 231 | ········Built·using | 231 | ········Built·using |
| 232 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 232 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 233 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 233 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 234 | ······</p> | 234 | ······</p> |
| 235 | <p>Copyright·©·1996-202 | 235 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 236 | ····</footer> | 236 | ····</footer> |
| 237 | ··</div> | 237 | ··</div> |
| 238 | </main> | 238 | </main> |
| 239 | </div> | 239 | </div> |
| 240 | <script> | 240 | <script> |
| 241 | ··function·mermaidLoaded()·{ | 241 | ··function·mermaidLoaded()·{ |
| 242 | ····mermaid.initialize({ | 242 | ····mermaid.initialize({ |
| Offset 225, 20 lines modified | Offset 225, 20 lines modified | ||
| 225 | (alloc_util·and·the·different·strategies).·However,·that·would·not·be | 225 | (alloc_util·and·the·different·strategies).·However,·that·would·not·be |
| 226 | as·straight·forward·as·one·can·think·and·can·also·waste·quite·a·lot·of | 226 | as·straight·forward·as·one·can·think·and·can·also·waste·quite·a·lot·of |
| 227 | memory·as·it·uses·prepended·block·headers.·The·granularity·of·the | 227 | memory·as·it·uses·prepended·block·headers.·The·granularity·of·the |
| 228 | super·carrier·is·one·memory·page·(usually·4kb).·We·want·to·allocate | 228 | super·carrier·is·one·memory·page·(usually·4kb).·We·want·to·allocate |
| 229 | and·free·entire·pages·and·we·don't·want·to·waste·an·entire·page·just | 229 | and·free·entire·pages·and·we·don't·want·to·waste·an·entire·page·just |
| 230 | to·hold·the·block·header·of·the·following·pages.</p><p>Instead·we·store·the·meta·information·about·all·the·free·segments·in·a | 230 | to·hold·the·block·header·of·the·following·pages.</p><p>Instead·we·store·the·meta·information·about·all·the·free·segments·in·a |
| 231 | dedicated·area·apart·from·the·<code·class="inline">sa</code>·and·<code·class="inline">sua</code>·areas.·Every·free·segment·is | 231 | dedicated·area·apart·from·the·<code·class="inline">sa</code>·and·<code·class="inline">sua</code>·areas.·Every·free·segment·is |
| 232 | represented·by·a·descriptor·struct·(<code·class="inline">ErtsFreeSegDesc</code>).</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">typedef</span><span·class="w">·</span><span·class="ss">struct</span><span·class="w">·</span><span·class="p"·data-group-id=" | 232 | represented·by·a·descriptor·struct·(<code·class="inline">ErtsFreeSegDesc</code>).</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">typedef</span><span·class="w">·</span><span·class="ss">struct</span><span·class="w">·</span><span·class="p"·data-group-id="0783827747-1">{</span><span·class="w"> |
| 233 | ····</span><span·class="n">RBTNode</span><span·class="w">·</span><span·class="ss">snode</span><span·class="p">;</span><span·class="w">······</span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="nb">node</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">'stree'</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> | 233 | ····</span><span·class="n">RBTNode</span><span·class="w">·</span><span·class="ss">snode</span><span·class="p">;</span><span·class="w">······</span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="nb">node</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">'stree'</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> |
| 234 | ····</span><span·class="n">RBTNode</span><span·class="w">·</span><span·class="ss">anode</span><span·class="p">;</span><span·class="w">······</span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="nb">node</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">'atree'</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> | 234 | ····</span><span·class="n">RBTNode</span><span·class="w">·</span><span·class="ss">anode</span><span·class="p">;</span><span·class="w">······</span><span·class="o">/</span><span·class="o">*</span><span·class="w">·</span><span·class="nb">node</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">'atree'</span><span·class="w">·</span><span·class="o">*</span><span·class="o">/</span><span·class="w"> |
| 235 | ····</span><span·class="ss">char</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">start</span><span·class="p">;</span><span·class="w"> | 235 | ····</span><span·class="ss">char</span><span·class="o">*</span><span·class="w">·</span><span·class="ss">start</span><span·class="p">;</span><span·class="w"> |
| 236 | ····</span><span·class="ss">char</span><span·class="o">*</span><span·class="w">·</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 236 | ····</span><span·class="ss">char</span><span·class="o">*</span><span·class="w">·</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 237 | </span><span·class="p"·data-group-id=" | 237 | </span><span·class="p"·data-group-id="0783827747-1">}</span><span·class="n">ErtsFreeSegDesc</span><span·class="p">;</span></code></pre><p>To·find·the·smallest·free·segment·that·will·satisfy·a·carrier·allocation |
| 238 | (best·fit),·the·free·segments·are·organized·in·a·tree·sorted·by | 238 | (best·fit),·the·free·segments·are·organized·in·a·tree·sorted·by |
| 239 | size·(<code·class="inline">stree</code>).·We·search·in·this·tree·at·allocation.·If·no·free·segment·of | 239 | size·(<code·class="inline">stree</code>).·We·search·in·this·tree·at·allocation.·If·no·free·segment·of |
| 240 | sufficient·size·was·found,·the·area·(<code·class="inline">sa</code>·or·<code·class="inline">sua</code>)·is·instead·expanded. | 240 | sufficient·size·was·found,·the·area·(<code·class="inline">sa</code>·or·<code·class="inline">sua</code>)·is·instead·expanded. |
| 241 | If·two·or·more·free·segments·with·equal·size·exist,·the·one·at·lowest | 241 | If·two·or·more·free·segments·with·equal·size·exist,·the·one·at·lowest |
| 242 | address·is·chosen·for·<code·class="inline">sa</code>·and·highest·address·for·<code·class="inline">sua</code>.</p><p>At·carrier·deallocation,·we·want·to·coalesce·with·any·adjacent·free | 242 | address·is·chosen·for·<code·class="inline">sa</code>·and·highest·address·for·<code·class="inline">sua</code>.</p><p>At·carrier·deallocation,·we·want·to·coalesce·with·any·adjacent·free |
| 243 | segments,·to·form·one·large·free·segment.·To·do·that,·all·free | 243 | segments,·to·form·one·large·free·segment.·To·do·that,·all·free |
| 244 | segments·are·also·organized·in·a·tree·sorted·in·address·order·(<code·class="inline">atree</code>).</p><p>So,·in·total·we·keep·four·trees·of·free·descriptors·for·the·super | 244 | segments·are·also·organized·in·a·tree·sorted·in·address·order·(<code·class="inline">atree</code>).</p><p>So,·in·total·we·keep·four·trees·of·free·descriptors·for·the·super |
| Offset 317, 15 lines modified | Offset 317, 15 lines modified | ||
| 317 | ······<p·class="built-using"> | 317 | ······<p·class="built-using"> |
| 318 | ········Built·using | 318 | ········Built·using |
| 319 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 319 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 320 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 320 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 321 | ······</p> | 321 | ······</p> |
| 322 | <p>Copyright·©·1996-202 | 322 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 323 | ····</footer> | 323 | ····</footer> |
| 324 | ··</div> | 324 | ··</div> |
| 325 | </main> | 325 | </main> |
| 326 | </div> | 326 | </div> |
| 327 | <script> | 327 | <script> |
| 328 | ··function·mermaidLoaded()·{ | 328 | ··function·mermaidLoaded()·{ |
| 329 | ····mermaid.initialize({ | 329 | ····mermaid.initialize({ |
| Offset 422, 15 lines modified | Offset 422, 15 lines modified | ||
| 422 | ······<p·class="built-using"> | 422 | ······<p·class="built-using"> |
| 423 | ········Built·using | 423 | ········Built·using |
| 424 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 424 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 425 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 425 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 426 | ······</p> | 426 | ······</p> |
| 427 | <p>Copyright·©·1996-202 | 427 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 428 | ····</footer> | 428 | ····</footer> |
| 429 | ··</div> | 429 | ··</div> |
| 430 | </main> | 430 | </main> |
| 431 | </div> | 431 | </div> |
| 432 | <script> | 432 | <script> |
| 433 | ··function·mermaidLoaded()·{ | 433 | ··function·mermaidLoaded()·{ |
| 434 | ····mermaid.initialize({ | 434 | ····mermaid.initialize({ |
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| 560 | the·event·occurs.</p></section><section·role="note"·class="admonition·tip"><h4·class="admonition-title·tip">Do</h4><p>Determine·the·order·of·events·by·saving·the·integer·returned·by | 560 | the·event·occurs.</p></section><section·role="note"·class="admonition·tip"><h4·class="admonition-title·tip">Do</h4><p>Determine·the·order·of·events·by·saving·the·integer·returned·by |
| 561 | <a·href="erlang.html#unique_integer/1"><code·class="inline">erlang:unique_integer([monotonic])</code></a>·when·the | 561 | <a·href="erlang.html#unique_integer/1"><code·class="inline">erlang:unique_integer([monotonic])</code></a>·when·the |
| 562 | event·occurs.·These·integers·are·strictly·monotonically·ordered·on·current | 562 | event·occurs.·These·integers·are·strictly·monotonically·ordered·on·current |
| 563 | runtime·system·instance·corresponding·to·creation·time.</p></section><h4>Determine·Order·of·Events·with·Time·of·the·Event</h4><section·role="note"·class="admonition·error"><h4·class="admonition-title·error">Dont</h4><p>Determine·the·order·of·events·by·saving·a·time·stamp·with·<a·href="erlang.html#now/0"><code·class="inline">erlang:now/0</code></a>·when | 563 | runtime·system·instance·corresponding·to·creation·time.</p></section><h4>Determine·Order·of·Events·with·Time·of·the·Event</h4><section·role="note"·class="admonition·error"><h4·class="admonition-title·error">Dont</h4><p>Determine·the·order·of·events·by·saving·a·time·stamp·with·<a·href="erlang.html#now/0"><code·class="inline">erlang:now/0</code></a>·when |
| 564 | the·event·occurs.</p></section><section·role="note"·class="admonition·tip"><h4·class="admonition-title·tip">Do</h4><p>Determine·the·order·of·events·by·saving·a·tuple·containing | 564 | the·event·occurs.</p></section><section·role="note"·class="admonition·tip"><h4·class="admonition-title·tip">Do</h4><p>Determine·the·order·of·events·by·saving·a·tuple·containing |
| 565 | <a·href="erlang.html#monotonic_time/0">monotonic·time</a>·and·a | 565 | <a·href="erlang.html#monotonic_time/0">monotonic·time</a>·and·a |
| 566 | <a·href="erlang.html#unique_integer/1">strictly·monotonically·increasing·integer</a>·as | 566 | <a·href="erlang.html#unique_integer/1">strictly·monotonically·increasing·integer</a>·as |
| 567 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Time</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monotonic_time</span><span·class="p"·data-group-id=" | 567 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Time</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monotonic_time</span><span·class="p"·data-group-id="5787339064-1">(</span><span·class="p"·data-group-id="5787339064-1">)</span><span·class="p">,</span><span·class="w"> |
| 568 | </span><span·class="n">UMI</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">unique_integer</span><span·class="p"·data-group-id=" | 568 | </span><span·class="n">UMI</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">unique_integer</span><span·class="p"·data-group-id="5787339064-2">(</span><span·class="p"·data-group-id="5787339064-3">[</span><span·class="ss">monotonic</span><span·class="p"·data-group-id="5787339064-3">]</span><span·class="p"·data-group-id="5787339064-2">)</span><span·class="p">,</span><span·class="w"> |
| 569 | </span><span·class="n">EventTag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 569 | </span><span·class="n">EventTag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5787339064-4">{</span><span·class="n">Time</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UMI</span><span·class="p"·data-group-id="5787339064-4">}</span></code></pre><p>These·tuples·are·strictly·monotonically·ordered·on·the·current·runtime·system |
| 570 | instance·according·to·creation·time.·It·is·important·that·the·monotonic·time | 570 | instance·according·to·creation·time.·It·is·important·that·the·monotonic·time |
| 571 | is·in·the·first·element·(the·most·significant·element·when·comparing | 571 | is·in·the·first·element·(the·most·significant·element·when·comparing |
| 572 | two-tuples).·Using·the·monotonic·time·in·the·tuples,·you·can·calculate·time | 572 | two-tuples).·Using·the·monotonic·time·in·the·tuples,·you·can·calculate·time |
| 573 | between·events.</p><p>If·you·are·interested·in·Erlang·system·time·at·the·time·when·the·event | 573 | between·events.</p><p>If·you·are·interested·in·Erlang·system·time·at·the·time·when·the·event |
| 574 | occurred,·you·can·also·save·the·time·offset·before·or·after·saving·the·events | 574 | occurred,·you·can·also·save·the·time·offset·before·or·after·saving·the·events |
| 575 | using·<a·href="erlang.html#time_offset/0"><code·class="inline">erlang:time_offset/0</code></a>.·Erlang·monotonic·time·added·with·the·time·offset | 575 | using·<a·href="erlang.html#time_offset/0"><code·class="inline">erlang:time_offset/0</code></a>.·Erlang·monotonic·time·added·with·the·time·offset |
| 576 | corresponds·to·Erlang·system·time.</p><p>If·you·are·executing·in·a·mode·where·time·offset·can·change,·and·you·want·to | 576 | corresponds·to·Erlang·system·time.</p><p>If·you·are·executing·in·a·mode·where·time·offset·can·change,·and·you·want·to |
| Offset 641, 15 lines modified | Offset 641, 15 lines modified | ||
| 641 | ······<p·class="built-using"> | 641 | ······<p·class="built-using"> |
| 642 | ········Built·using | 642 | ········Built·using |
| 643 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 643 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 644 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 644 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 645 | ······</p> | 645 | ······</p> |
| 646 | <p>Copyright·©·1996-202 | 646 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 647 | ····</footer> | 647 | ····</footer> |
| 648 | ··</div> | 648 | ··</div> |
| 649 | </main> | 649 | </main> |
| 650 | </div> | 650 | </div> |
| 651 | <script> | 651 | <script> |
| 652 | ··function·mermaidLoaded()·{ | 652 | ··function·mermaidLoaded()·{ |
| 653 | ····mermaid.initialize({ | 653 | ····mermaid.initialize({ |
| Offset 145, 31 lines modified | Offset 145, 31 lines modified | ||
| 145 | on·functions·that·never·return,·as·each·call·pushes·a·frame·that·will | 145 | on·functions·that·never·return,·as·each·call·pushes·a·frame·that·will |
| 146 | never·be·removed.</p><p>Another·limitation·is·that·since·the·breakpoint·is·in·the·<em>callee</em>·and·not | 146 | never·be·removed.</p><p>Another·limitation·is·that·since·the·breakpoint·is·in·the·<em>callee</em>·and·not |
| 147 | the·<em>caller</em>,·we're·limited·to·the·information·we·have·on·function·ingress. | 147 | the·<em>caller</em>,·we're·limited·to·the·information·we·have·on·function·ingress. |
| 148 | This·means·that·we·can't·actually·tell·who·called·us:·since·we're·limited | 148 | This·means·that·we·can't·actually·tell·who·called·us:·since·we're·limited |
| 149 | to·inspecting·the·stack·we·can·only·say·where·we're·<em>going·to·return·to</em>, | 149 | to·inspecting·the·stack·we·can·only·say·where·we're·<em>going·to·return·to</em>, |
| 150 | which·is·not·quite·the·same·thing.</p><p>As·an·illustration,·when·the·<code·class="inline">caller</code>·option·is·enabled·all·trace·messages | 150 | which·is·not·quite·the·same·thing.</p><p>As·an·illustration,·when·the·<code·class="inline">caller</code>·option·is·enabled·all·trace·messages |
| 151 | from·<code·class="inline">bar/1</code>··will·say·that·they·were·called·from·<code·class="inline">foo/0</code>,·even·though·it | 151 | from·<code·class="inline">bar/1</code>··will·say·that·they·were·called·from·<code·class="inline">foo/0</code>,·even·though·it |
| 152 | went·through·a·bunch·of·other·functions·on·the·way:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id=" | 152 | went·through·a·bunch·of·other·functions·on·the·way:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="3531167040-1">(</span><span·class="p"·data-group-id="3531167040-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 153 | ····</span><span·class="nf">lots</span><span·class="p"·data-group-id=" | 153 | ····</span><span·class="nf">lots</span><span·class="p"·data-group-id="3531167040-2">(</span><span·class="p"·data-group-id="3531167040-2">)</span><span·class="p">,</span><span·class="w"> |
| 154 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 154 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="nf">lots</span><span·class="p"·data-group-id=" | 155 | </span><span·class="nf">lots</span><span·class="p"·data-group-id="3531167040-3">(</span><span·class="p"·data-group-id="3531167040-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 156 | ····</span><span·class="nf">'of'</span><span·class="p"·data-group-id=" | 156 | ····</span><span·class="nf">'of'</span><span·class="p"·data-group-id="3531167040-4">(</span><span·class="p"·data-group-id="3531167040-4">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="nf">'of'</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nf">'of'</span><span·class="p"·data-group-id="3531167040-5">(</span><span·class="p"·data-group-id="3531167040-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ····</span><span·class="nf">indirections</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="nf">indirections</span><span·class="p"·data-group-id="3531167040-6">(</span><span·class="p"·data-group-id="3531167040-6">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="nf">indirections</span><span·class="p"·data-group-id=" | 159 | </span><span·class="nf">indirections</span><span·class="p"·data-group-id="3531167040-7">(</span><span·class="p"·data-group-id="3531167040-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 160 | ····</span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 160 | ····</span><span·class="nf">bar</span><span·class="p"·data-group-id="3531167040-8">(</span><span·class="mi">10</span><span·class="p"·data-group-id="3531167040-8">)</span><span·class="p">.</span><span·class="w"> |
| 161 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 161 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="3531167040-9">(</span><span·class="mi">0</span><span·class="p"·data-group-id="3531167040-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 162 | ····</span><span·class="ss">done</span><span·class="p">;</span><span·class="w"> | 162 | ····</span><span·class="ss">done</span><span·class="p">;</span><span·class="w"> |
| 163 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 163 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="3531167040-10">(</span><span·class="n">N</span><span·class="p"·data-group-id="3531167040-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 164 | ····</span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 164 | ····</span><span·class="nf">bar</span><span·class="p"·data-group-id="3531167040-11">(</span><span·class="n">N</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="3531167040-11">)</span><span·class="p">.</span></code></pre><h3·id="export-tracing"·class="section-heading"> |
| 165 | ··<a·href="#export-tracing"·class="hover-link"> | 165 | ··<a·href="#export-tracing"·class="hover-link"> |
| 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 167 | ··</a> | 167 | ··</a> |
| 168 | ··<span·class="text">Export·tracing</span> | 168 | ··<span·class="text">Export·tracing</span> |
| 169 | </h3> | 169 | </h3> |
| 170 | <p>In·the·interpreter,·breakpoints·are·set·inside·the·code·trampoline·for | 170 | <p>In·the·interpreter,·breakpoints·are·set·inside·the·code·trampoline·for |
| 171 | export·entries,·and·their·address·vector·is·updated·to·point·to·them. | 171 | export·entries,·and·their·address·vector·is·updated·to·point·to·them. |
| Offset 386, 15 lines modified | Offset 386, 15 lines modified | ||
| 386 | ······<p·class="built-using"> | 386 | ······<p·class="built-using"> |
| 387 | ········Built·using | 387 | ········Built·using |
| 388 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 388 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 389 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 389 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 390 | ······</p> | 390 | ······</p> |
| 391 | <p>Copyright·©·1996-202 | 391 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 392 | ····</footer> | 392 | ····</footer> |
| 393 | ··</div> | 393 | ··</div> |
| 394 | </main> | 394 | </main> |
| 395 | </div> | 395 | </div> |
| 396 | <script> | 396 | <script> |
| 397 | ··function·mermaidLoaded()·{ | 397 | ··function·mermaidLoaded()·{ |
| 398 | ····mermaid.initialize({ | 398 | ····mermaid.initialize({ |
| Offset 191, 15 lines modified | Offset 191, 15 lines modified | ||
| 191 | ······<p·class="built-using"> | 191 | ······<p·class="built-using"> |
| 192 | ········Built·using | 192 | ········Built·using |
| 193 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 193 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 194 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 194 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 195 | ······</p> | 195 | ······</p> |
| 196 | <p>Copyright·©·1996-202 | 196 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 197 | ····</footer> | 197 | ····</footer> |
| 198 | ··</div> | 198 | ··</div> |
| 199 | </main> | 199 | </main> |
| 200 | </div> | 200 | </div> |
| 201 | <script> | 201 | <script> |
| 202 | ··function·mermaidLoaded()·{ | 202 | ··function·mermaidLoaded()·{ |
| 203 | ····mermaid.initialize({ | 203 | ····mermaid.initialize({ |
| Offset 196, 15 lines modified | Offset 196, 15 lines modified | ||
| 196 | ······<p·class="built-using"> | 196 | ······<p·class="built-using"> |
| 197 | ········Built·using | 197 | ········Built·using |
| 198 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 198 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 199 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 199 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 200 | ······</p> | 200 | ······</p> |
| 201 | <p>Copyright·©·1996-202 | 201 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 202 | ····</footer> | 202 | ····</footer> |
| 203 | ··</div> | 203 | ··</div> |
| 204 | </main> | 204 | </main> |
| 205 | </div> | 205 | </div> |
| 206 | <script> | 206 | <script> |
| 207 | ··function·mermaidLoaded()·{ | 207 | ··function·mermaidLoaded()·{ |
| 208 | ····mermaid.initialize({ | 208 | ····mermaid.initialize({ |
| Offset 129, 26 lines modified | Offset 129, 26 lines modified | ||
| 129 | ····<section·id="moduledoc"> | 129 | ····<section·id="moduledoc"> |
| 130 | <p>zlib·compression·interface.</p><p>This·module·provides·an·API·for·the·zlib·library | 130 | <p>zlib·compression·interface.</p><p>This·module·provides·an·API·for·the·zlib·library |
| 131 | (<a·href="http://www.zlib.net">www.zlib.net</a>).·It·is·used·to·compress·and·decompress | 131 | (<a·href="http://www.zlib.net">www.zlib.net</a>).·It·is·used·to·compress·and·decompress |
| 132 | data.·The·data·format·is·described·by | 132 | data.·The·data·format·is·described·by |
| 133 | <a·href="https://www.ietf.org/rfc/rfc1950.txt">RFC·1950</a>, | 133 | <a·href="https://www.ietf.org/rfc/rfc1950.txt">RFC·1950</a>, |
| 134 | <a·href="https://www.ietf.org/rfc/rfc1951.txt">RFC·1951</a>,·and | 134 | <a·href="https://www.ietf.org/rfc/rfc1951.txt">RFC·1951</a>,·and |
| 135 | <a·href="https://www.ietf.org/rfc/rfc1952.txt">RFC·1952</a>.</p><p>A·typical·(compress)·usage·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Z</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="7 | 135 | <a·href="https://www.ietf.org/rfc/rfc1952.txt">RFC·1952</a>.</p><p>A·typical·(compress)·usage·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Z</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="6734941681-1">(</span><span·class="p"·data-group-id="6734941681-1">)</span><span·class="p">,</span><span·class="w"> |
| 136 | </span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflateInit</span><span·class="p"·data-group-id="7 | 136 | </span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflateInit</span><span·class="p"·data-group-id="6734941681-2">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="ss">default</span><span·class="p"·data-group-id="6734941681-2">)</span><span·class="p">,</span><span·class="w"> |
| 137 | </span><span·class="n">Compress</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="7 | 137 | </span><span·class="n">Compress</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="6734941681-3">(</span><span·class="ss">end_of_data</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Cont</span><span·class="p"·data-group-id="6734941681-3">)</span><span·class="w">·</span><span·class="p">-></[·...·truncated·by·diffoscope;·len:·123,·SHA:·93c76c8dd33e2a1d7e977d200e52f32dc6baf78278cdccec2fc3bdd5327b71b9·...·]-4">]</span><span·class="p">;</span><span·class="w"> |
| 138 | ··············</span><span·class="p"·data-group-id="7 | 138 | ··············</span><span·class="p"·data-group-id="6734941681-5">(</span><span·class="n">Data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cont</span><span·class="p"·data-group-id="6734941681-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 139 | ·················</span><span·class="p"·data-group-id="7 | 139 | ·················</span><span·class="p"·data-group-id="6734941681-6">[</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflate</span><span·class="p"·data-group-id="6734941681-7">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span[·...·truncated·by·diffoscope;·len:·436,·SHA:·5ab930cda08d880ee70459eb91d8b3a20c4b4010e3d11ad3ec5f836797385d4c·...·]-6">]</span><span·class="w"> |
| 140 | ···········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 140 | ···········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 141 | </span><span·class="n">Compressed</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Compress</span><span·class="p"·data-group-id="7 | 141 | </span><span·class="n">Compressed</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Compress</span><span·class="p"·data-group-id="6734941681-10">(</span><span·class="n">Read</span><span·class="p"·data-group-id="6734941681-11">(</span><span·class="p"·data-group-id="6734941681-11">)</span><span·class="p">,</span><span·class="n">Compress</span><span·class="p"·data-group-id="6734941681-10">)</span><span·class="p">,</span><span·class="w"> |
| 142 | </span><span·class="n">Last</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflate</span><span·class="p"·data-group-id="7 | 142 | </span><span·class="n">Last</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflate</span><span·class="p"·data-group-id="6734941681-12">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6734941681-13">[</span><span·class="p"·data-group-id="6734941681-13">]</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·66,·SHA:·e560a4a0a3c43a70c977cc70ffade54fc2d340b6ef6892951b0d6e97628c8fe7·...·]-12">)</span><span·class="p">,</span><span·class="w"> |
| 143 | </span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflateEnd</span><span·class="p"·data-group-id="7 | 143 | </span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflateEnd</span><span·class="p"·data-group-id="6734941681-14">(</span><span·class="n">Z</span><span·class="p"·data-group-id="6734941681-14">)</span><span·class="p">,</span><span·class="w"> |
| 144 | </span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="7 | 144 | </span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="6734941681-15">(</span><span·class="n">Z</span><span·class="p"·data-group-id="6734941681-15">)</span><span·class="p">,</span><span·class="w"> |
| 145 | </span><span·class="nf">list_to_binary</span><span·class="p"·data-group-id="7 | 145 | </span><span·class="nf">list_to_binary</span><span·class="p"·data-group-id="6734941681-16">(</span><span·class="p"·data-group-id="6734941681-17">[</span><span·class="n">Compressed</span><span·class="p">|</span><span·class="n">Last</span><span·class="p"·data-group-id="6734941681-17">]</span><span·class="p"·data-group-id="6734941681-16">)</span></code></pre><p>In·all·functions·errors,·<code·class="inline">{'EXIT',{Reason,Backtrace}}</code>,·can·be·thrown,·where |
| 146 | <code·class="inline">Reason</code>·describes·the·error.</p><p>Typical·<code·class="inline">Reason</code>s:</p><ul><li><p><strong><code·class="inline">badarg</code></strong>·-·Bad·argument.</p></li><li><p><strong><code·class="inline">not_initialized</code></strong>·-·The·stream·hasn't·been·initialized,·eg.·if | 146 | <code·class="inline">Reason</code>·describes·the·error.</p><p>Typical·<code·class="inline">Reason</code>s:</p><ul><li><p><strong><code·class="inline">badarg</code></strong>·-·Bad·argument.</p></li><li><p><strong><code·class="inline">not_initialized</code></strong>·-·The·stream·hasn't·been·initialized,·eg.·if |
| 147 | <a·href="#inflateInit/1"><code·class="inline">inflateInit/1</code></a>·wasn't·called·prior·to·a·call·to·<a·href="#inflate/2"><code·class="inline">inflate/2</code></a>.</p></li><li><p><strong><code·class="inline">not_on_controlling_process</code></strong>·-·The·stream·was·used·by·a·process·that | 147 | <a·href="#inflateInit/1"><code·class="inline">inflateInit/1</code></a>·wasn't·called·prior·to·a·call·to·<a·href="#inflate/2"><code·class="inline">inflate/2</code></a>.</p></li><li><p><strong><code·class="inline">not_on_controlling_process</code></strong>·-·The·stream·was·used·by·a·process·that |
| 148 | doesn't·control·it.·Use·<a·href="#set_controlling_process/2"><code·class="inline">set_controlling_process/2</code></a>·if·you·need·to·transfer·a | 148 | doesn't·control·it.·Use·<a·href="#set_controlling_process/2"><code·class="inline">set_controlling_process/2</code></a>·if·you·need·to·transfer·a |
| 149 | stream·to·a·different·process.</p></li><li><p><strong><code·class="inline">data_error</code></strong>·-·The·data·contains·errors.</p></li><li><p><strong><code·class="inline">stream_error</code></strong>·-·Inconsistent·stream·state.</p></li><li><p><strong><code·class="inline">{need_dictionary,Adler32}</code></strong>·-·See·<a·href="#inflate/2"><code·class="inline">inflate/2</code></a>.</p></li></ul> | 149 | stream·to·a·different·process.</p></li><li><p><strong><code·class="inline">data_error</code></strong>·-·The·data·contains·errors.</p></li><li><p><strong><code·class="inline">stream_error</code></strong>·-·Inconsistent·stream·state.</p></li><li><p><strong><code·class="inline">{need_dictionary,Adler32}</code></strong>·-·See·<a·href="#inflate/2"><code·class="inline">inflate/2</code></a>.</p></li></ul> |
| 150 | ····</section> | 150 | ····</section> |
| 151 | </div> | 151 | </div> |
| Offset 827, 19 lines modified | Offset 827, 19 lines modified | ||
| 827 | all·input·data·available·so·far.·Flushing·can·degrade·compression·for·some | 827 | all·input·data·available·so·far.·Flushing·can·degrade·compression·for·some |
| 828 | compression·algorithms;·thus,·use·it·only·when·necessary.</p><p>If·<code·class="inline">Flush</code>·is·set·to·<code·class="inline">full</code>,·all·output·is·flushed·as·with·<code·class="inline">sync</code>,·and·the | 828 | compression·algorithms;·thus,·use·it·only·when·necessary.</p><p>If·<code·class="inline">Flush</code>·is·set·to·<code·class="inline">full</code>,·all·output·is·flushed·as·with·<code·class="inline">sync</code>,·and·the |
| 829 | compression·state·is·reset·so·that·decompression·can·restart·from·this·point·if | 829 | compression·state·is·reset·so·that·decompression·can·restart·from·this·point·if |
| 830 | previous·compressed·data·has·been·damaged·or·if·random·access·is·desired.·Using | 830 | previous·compressed·data·has·been·damaged·or·if·random·access·is·desired.·Using |
| 831 | <code·class="inline">full</code>·too·often·can·seriously·degrade·the·compression.</p><p>If·<code·class="inline">Flush</code>·is·set·to·<code·class="inline">finish</code>,·pending·input·is·processed,·pending·output·is | 831 | <code·class="inline">full</code>·too·often·can·seriously·degrade·the·compression.</p><p>If·<code·class="inline">Flush</code>·is·set·to·<code·class="inline">finish</code>,·pending·input·is·processed,·pending·output·is |
| 832 | flushed,·and·<a·href="#deflate/3"><code·class="inline">deflate/3</code></a>·returns.·Afterwards·the·only·possible | 832 | flushed,·and·<a·href="#deflate/3"><code·class="inline">deflate/3</code></a>·returns.·Afterwards·the·only·possible |
| 833 | operations·on·the·stream·are·<a·href="#deflateReset/1"><code·class="inline">deflateReset/1</code></a>·or·<a·href="#deflateEnd/1"><code·class="inline">deflateEnd/1</code></a>.</p><p><code·class="inline">Flush</code>·can·be·set·to·<code·class="inline">finish</code>·immediately·after | 833 | operations·on·the·stream·are·<a·href="#deflateReset/1"><code·class="inline">deflateReset/1</code></a>·or·<a·href="#deflateEnd/1"><code·class="inline">deflateEnd/1</code></a>.</p><p><code·class="inline">Flush</code>·can·be·set·to·<code·class="inline">finish</code>·immediately·after |
| 834 | <a·href="#deflateInit/1"><code·class="inline">deflateInit</code></a>·if·all·compression·is·to·be·done·in·one·step.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflateInit</span><span·class="p"·data-group-id=" | 834 | <a·href="#deflateInit/1"><code·class="inline">deflateInit</code></a>·if·all·compression·is·to·be·done·in·one·step.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflateInit</span><span·class="p"·data-group-id="6682444663-1">(</span><span·class="n">Z</span><span·class="p"·data-group-id="6682444663-1">)</span><span·class="p">,</span><span·class="w"> |
| 835 | </span><span·class="n">B1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflate</span><span·class="p"·data-group-id=" | 835 | </span><span·class="n">B1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflate</span><span·class="p"·data-group-id="6682444663-2">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="n">Data</span><span·class="p"·data-group-id="6682444663-2">)</span><span·class="p">,</span><span·class="w"> |
| 836 | </span><span·class="n">B2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflate</span><span·class="p"·data-group-id=" | 836 | </span><span·class="n">B2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflate</span><span·class="p"·data-group-id="6682444663-3">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="p"·data-group-id="6682444663-4"><<</span><span·class="w">·</span><span·class="p"·data-group-id="6682444663-4">>></span><span·class="p">,</span><span·class="ss">f[·...·truncated·by·diffoscope;·len:·52,·SHA:·274b2809276b1293143af8ed31cb5ebb83af5519d4dc732dd8b5bc35bc6881f8·...·]3-3">)</span><span·class="p">,</span><span·class="w"> |
| 837 | </span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflateEnd</span><span·class="p"·data-group-id=" | 837 | </span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">deflateEnd</span><span·class="p"·data-group-id="6682444663-5">(</span><span·class="n">Z</span><span·class="p"·data-group-id="6682444663-5">)</span><span·class="p">,</span><span·class="w"> |
| 838 | </span><span·class="nf">list_to_binary</span><span·class="p"·data-group-id=" | 838 | </span><span·class="nf">list_to_binary</span><span·class="p"·data-group-id="6682444663-6">(</span><span·class="p"·data-group-id="6682444663-7">[</span><span·class="n">B1</span><span·class="p">,</span><span·class="n">B2</span><span·class="p"·data-group-id="6682444663-7">]</span><span·class="p"·data-group-id="6682444663-6">)</span></code></pre> |
| 839 | ··</section> | 839 | ··</section> |
| 840 | </section> | 840 | </section> |
| 841 | <section·class="detail"·id="deflateEnd/1"> | 841 | <section·class="detail"·id="deflateEnd/1"> |
| 842 | ··<div·class="detail-header"> | 842 | ··<div·class="detail-header"> |
| 843 | ····<a·href="#deflateEnd/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 843 | ····<a·href="#deflateEnd/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 844 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 844 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1349, 28 lines modified | Offset 1349, 28 lines modified | ||
| 1349 | <p>Initializes·the·decompression·dictionary·from·the·specified·uncompressed·byte | 1349 | <p>Initializes·the·decompression·dictionary·from·the·specified·uncompressed·byte |
| 1350 | sequence.</p><p>This·function·must·be·called·as·a·response·to·an·inflate·operation | 1350 | sequence.</p><p>This·function·must·be·called·as·a·response·to·an·inflate·operation |
| 1351 | (eg.·<a·href="#safeInflate/2"><code·class="inline">safeInflate/2</code></a>)·returning·<code·class="inline">{need_dictionary,Adler,Output}</code>·or·in·the·case | 1351 | (eg.·<a·href="#safeInflate/2"><code·class="inline">safeInflate/2</code></a>)·returning·<code·class="inline">{need_dictionary,Adler,Output}</code>·or·in·the·case |
| 1352 | of·deprecated·functions,·throwing·an | 1352 | of·deprecated·functions,·throwing·an |
| 1353 | <code·class="inline">{'EXIT',{{need_dictionary,Adler},_StackTrace}}</code>·exception.</p><p>The·dictionary·chosen·by·the·compressor·can·be·determined·from·the·Adler·value | 1353 | <code·class="inline">{'EXIT',{{need_dictionary,Adler},_StackTrace}}</code>·exception.</p><p>The·dictionary·chosen·by·the·compressor·can·be·determined·from·the·Adler·value |
| 1354 | returned·or·thrown·by·the·call·to·the·inflate·function.·The·compressor·and | 1354 | returned·or·thrown·by·the·call·to·the·inflate·function.·The·compressor·and |
| 1355 | decompressor·must·use·the·same·dictionary·(See·<a·href="#deflateSetDictionary/2"><code·class="inline">deflateSetDictionary/2</code></a>).</p><p>After·setting·the·dictionary·the·inflate·operation·should·be·retried·without·new | 1355 | decompressor·must·use·the·same·dictionary·(See·<a·href="#deflateSetDictionary/2"><code·class="inline">deflateSetDictionary/2</code></a>).</p><p>After·setting·the·dictionary·the·inflate·operation·should·be·retried·without·new |
| 1356 | input.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">deprecated_unpack</span><span·class="p"·data-group-id=" | 1356 | input.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">deprecated_unpack</span><span·class="p"·data-group-id="6247742396-1">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Compressed</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dict</span><span·class="p"·data-group-id="6247742396-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1357 | ·····</span><span·class="k">case</span><span·class="w">·</span><span·class="k">catch</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflate</span><span·class="p"·data-group-id=" | 1357 | ·····</span><span·class="k">case</span><span·class="w">·</span><span·class="k">catch</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflate</span><span·class="p"·data-group-id="6247742396-2">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Compressed</span><span·class="p"·data-group-id="6247742396-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 1358 | ··········</span><span·class="p"·data-group-id=" | 1358 | ··········</span><span·class="p"·data-group-id="6247742396-3">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="p"·data-group-id="6247742396-4">{</span><span·class="p"·data-group-id="6247742396-5">{</span><span·class="ss">need_dictionary</span><span·class="p">,</span><sp[·...·truncated·by·diffoscope;·len:·245,·SHA:·1a44d097f391ae215653790ba690bdd74819805f91fe9a94c8ac068c8f08af34·...·]-3">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1359 | ·················</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflateSetDictionary</span><span·class="p"·data-group-id=" | 1359 | ·················</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflateSetDictionary</span><span·class="p"·data-group-id="6247742396-6">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dict</span><span·class="p"·data-group-id="6247742396-6">)</span><span·class="p">,</span><span·class="w"> |
| 1360 | ·················</span><span·class="n">Uncompressed</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflate</span><span·class="p"·data-group-id=" | 1360 | ·················</span><span·class="n">Uncompressed</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflate</span><span·class="p"·data-group-id="6247742396-7">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6247742396-8">[</span><span·class="p"·data-group-id="6247742396-8">]</span><span·class="p"·data-group-id="6247742396-7">)</span><span·class="p">;</span><span·class="w"> |
| 1361 | ··········</span><span·class="n">Uncompressed</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 1361 | ··········</span><span·class="n">Uncompressed</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1362 | ·················</span><span·class="n">Uncompressed</span><span·class="w"> | 1362 | ·················</span><span·class="n">Uncompressed</span><span·class="w"> |
| 1363 | ·····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 1363 | ·····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 1364 | </span><span·class="nf">new_unpack</span><span·class="p"·data-group-id=" | 1364 | </span><span·class="nf">new_unpack</span><span·class="p"·data-group-id="6247742396-9">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Compressed</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dict</span><span·class="p"·data-group-id="6247742396-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1365 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflate</span><span·class="p"·data-group-id=" | 1365 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflate</span><span·class="p"·data-group-id="6247742396-10">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Compressed</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6247742396-11">[</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·300,·SHA:·f95c60bc1f95369ea41ed13fdaed3bd19658fec5be8683d7f2f6ec1ebc98e853·...·]-10">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 1366 | ········</span><span·class="p"·data-group-id=" | 1366 | ········</span><span·class="p"·data-group-id="6247742396-13">{</span><span·class="ss">need_dictionary</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">DictId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Output</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·25,·SHA:·7f5459656fd4a1435f5caacf35d800027a2c9df03c1554b864991deb5ad037ef·...·]-13">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1367 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflateSetDictionary</span><span·class="p"·data-group-id=" | 1367 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflateSetDictionary</span><span·class="p"·data-group-id="6247742396-14">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dict</span><span·class="p"·data-group-id="6247742396-14">)</span><span·class="p">,</span><span·class="w"> |
| 1368 | ············</span><span·class="p"·data-group-id=" | 1368 | ············</span><span·class="p"·data-group-id="6247742396-15">[</span><span·class="n">Output</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflate</span><span·class="p"·data-group-id="6247742396-16">(</[·...·truncated·by·diffoscope;·len:·280,·SHA:·2c2dd81f67f8c14c7e64f3e653b54daf298edb0761668c8a97d85683db06c150·...·]-15">]</span><span·class="p">;</span><span·class="w"> |
| 1369 | ········</span><span·class="n">Uncompressed</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 1369 | ········</span><span·class="n">Uncompressed</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1370 | ············</span><span·class="n">Uncompressed</span><span·class="w"> | 1370 | ············</span><span·class="n">Uncompressed</span><span·class="w"> |
| 1371 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre> | 1371 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre> |
| 1372 | ··</section> | 1372 | ··</section> |
| 1373 | </section> | 1373 | </section> |
| 1374 | <section·class="detail"·id="open/0"> | 1374 | <section·class="detail"·id="open/0"> |
| Offset 1434, 26 lines modified | Offset 1434, 26 lines modified | ||
| 1434 | implementation-defined·threshold.·It's·useful·when·decompressing·untrusted·input | 1434 | implementation-defined·threshold.·It's·useful·when·decompressing·untrusted·input |
| 1435 | which·could·have·been·maliciously·crafted·to·expand·until·the·system·runs·out·of | 1435 | which·could·have·been·maliciously·crafted·to·expand·until·the·system·runs·out·of |
| 1436 | memory.</p><p>This·function·returns·<code·class="inline">{continue·|·finished,·Output}</code>,·where·Output·is·the·data | 1436 | memory.</p><p>This·function·returns·<code·class="inline">{continue·|·finished,·Output}</code>,·where·Output·is·the·data |
| 1437 | that·was·decompressed·in·this·call.·New·input·can·be·queued·up·on·each·call·if | 1437 | that·was·decompressed·in·this·call.·New·input·can·be·queued·up·on·each·call·if |
| 1438 | desired,·and·the·function·will·return·<code·class="inline">{finished,·Output}</code>·once·all·queued·data | 1438 | desired,·and·the·function·will·return·<code·class="inline">{finished,·Output}</code>·once·all·queued·data |
| 1439 | has·been·decompressed.</p><p>This·function·can·introduce·some·output·latency·(reading·input·without·producing | 1439 | has·been·decompressed.</p><p>This·function·can·introduce·some·output·latency·(reading·input·without·producing |
| 1440 | any·output).</p><p>If·a·preset·dictionary·is·required·for·further·decompression,·this·function | 1440 | any·output).</p><p>If·a·preset·dictionary·is·required·for·further·decompression,·this·function |
| 1441 | returns·a·<code·class="inline">need_dictionary</code>·tuple.·See·<a·href="#inflateSetDictionary/2"><code·class="inline">inflateSetDictionary/2</code></a>)·for·details.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">walk</span><span·class="p"·data-group-id="4 | 1441 | returns·a·<code·class="inline">need_dictionary</code>·tuple.·See·<a·href="#inflateSetDictionary/2"><code·class="inline">inflateSetDictionary/2</code></a>)·for·details.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">walk</span><span·class="p"·data-group-id="4909223808-1">(</span><span·class="n">Compressed</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Handler</span><span·class="p"·data-group-id="4909223808-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1442 | ····</span><span·class="n">Z</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="4 | 1442 | ····</span><span·class="n">Z</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="4909223808-2">(</span><span·class="p"·data-group-id="4909223808-2">)</span><span·class="p">,</span><span·class="w"> |
| 1443 | ····</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflateInit</span><span·class="p"·data-group-id="4 | 1443 | ····</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflateInit</span><span·class="p"·data-group-id="4909223808-3">(</span><span·class="n">Z</span><span·class="p"·data-group-id="4909223808-3">)</span><span·class="p">,</span><span·class="w"> |
| 1444 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="4 | 1444 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="4909223808-4">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Handler</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">safeInflate</spa[·...·truncated·by·diffoscope;·len:·254,·SHA:·875d17055ea332953c6a6635dba61e3fbab08b013de9ee7bd2a2b299cad643c7·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 1445 | ····</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflateEnd</span><span·class="p"·data-group-id="4 | 1445 | ····</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">inflateEnd</span><span·class="p"·data-group-id="4909223808-6">(</span><span·class="n">Z</span><span·class="p"·data-group-id="4909223808-6">)</span><span·class="p">,</span><span·class="w"> |
| 1446 | ····</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="4 | 1446 | ····</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="4909223808-7">(</span><span·class="n">Z</span><span·class="p"·data-group-id="4909223808-7">)</span><span·class="p">.</span><span·class="w"> |
| 1447 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="4 | 1447 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="4909223808-8">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Handler</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4909223808-9">{</span><span·class="ss">continue</span>[·...·truncated·by·diffoscope;·len:·171,·SHA:·86efda6ecee87fe8f7289c7e800fe609a1325e985018facf60538a6c70d5d93a·...·]-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1448 | ····</span><span·class="n">Handler</span><span·class="p"·data-group-id="4 | 1448 | ····</span><span·class="n">Handler</span><span·class="p"·data-group-id="4909223808-10">(</span><span·class="n">Output</span><span·class="p"·data-group-id="4909223808-10">)</span><span·class="p">,</span><span·class="w"> |
| 1449 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="4 | 1449 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="4909223808-11">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Handler</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">zlib</span><span·class="p">:</span><span·class="nf">safeInflate</sp[·...·truncated·by·diffoscope;·len:·332,·SHA:·fd7a6849802f24f722a3226d0d75e65f5e055e6e4ac5b739aa3f4f8b7522f9b4·...·]-11">)</span><span·class="p">;</span><span·class="w"> |
| 1450 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="4 | 1450 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="4909223808-14">(</span><span·class="n">Z</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Handler</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4909223808-15">{</span><span·class="ss">finished</spa[·...·truncated·by·diffoscope;·len:·174,·SHA:·67b85848c7bc87523a6f181ba8d7d055089af5a1f65dbf41d47216698665ffbf·...·]-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1451 | ····</span><span·class="n">Handler</span><span·class="p"·data-group-id="4 | 1451 | ····</span><span·class="n">Handler</span><span·class="p"·data-group-id="4909223808-16">(</span><span·class="n">Output</span><span·class="p"·data-group-id="4909223808-16">)</span><span·class="p">.</span></code></pre> |
| 1452 | ··</section> | 1452 | ··</section> |
| 1453 | </section> | 1453 | </section> |
| 1454 | <section·class="detail"·id="set_controlling_process/2"> | 1454 | <section·class="detail"·id="set_controlling_process/2"> |
| 1455 | ··<div·class="detail-header"> | 1455 | ··<div·class="detail-header"> |
| 1456 | ····<a·href="#set_controlling_process/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1456 | ····<a·href="#set_controlling_process/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1457 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1457 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1576, 15 lines modified | Offset 1576, 15 lines modified | ||
| 1576 | ······<p·class="built-using"> | 1576 | ······<p·class="built-using"> |
| 1577 | ········Built·using | 1577 | ········Built·using |
| 1578 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1578 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1579 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1579 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1580 | ······</p> | 1580 | ······</p> |
| 1581 | <p>Copyright·©·1996-202 | 1581 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1582 | ····</footer> | 1582 | ····</footer> |
| 1583 | ··</div> | 1583 | ··</div> |
| 1584 | </main> | 1584 | </main> |
| 1585 | </div> | 1585 | </div> |
| 1586 | <script> | 1586 | <script> |
| 1587 | ··function·mermaidLoaded()·{ | 1587 | ··function·mermaidLoaded()·{ |
| 1588 | ····mermaid.initialize({ | 1588 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 181 | ······<p·class="built-using"> | 181 | ······<p·class="built-using"> |
| 182 | ········Built·using | 182 | ········Built·using |
| 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 185 | ······</p> | 185 | ······</p> |
| 186 | <p>Copyright·©·1996-202 | 186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 187 | ····</footer> | 187 | ····</footer> |
| 188 | ··</div> | 188 | ··</div> |
| 189 | </main> | 189 | </main> |
| 190 | </div> | 190 | </div> |
| 191 | <script> | 191 | <script> |
| 192 | ··function·mermaidLoaded()·{ | 192 | ··function·mermaidLoaded()·{ |
| 193 | ····mermaid.initialize({ | 193 | ····mermaid.initialize({ |
| Offset 139, 45 lines modified | Offset 139, 45 lines modified | ||
| 139 | ····location·INTEGER·{home(0),field(1),roving(2)}, | 139 | ····location·INTEGER·{home(0),field(1),roving(2)}, |
| 140 | ····age·INTEGER·OPTIONAL | 140 | ····age·INTEGER·OPTIONAL |
| 141 | ··} | 141 | ··} |
| 142 | END</code></pre><p>This·file·must·be·compiled·before·it·can·be·used.·The·ASN.1·compiler·checks·that | 142 | END</code></pre><p>This·file·must·be·compiled·before·it·can·be·used.·The·ASN.1·compiler·checks·that |
| 143 | the·syntax·is·correct·and·that·the·text·represents·proper·ASN.1·code·before | 143 | the·syntax·is·correct·and·that·the·text·represents·proper·ASN.1·code·before |
| 144 | generating·an·abstract·syntax·tree.·The·code·generator·then·uses·the·abstract | 144 | generating·an·abstract·syntax·tree.·The·code·generator·then·uses·the·abstract |
| 145 | syntax·tree·to·generate·code.</p><p>The·generated·Erlang·files·are·placed·in·the·current·directory·or·in·the | 145 | syntax·tree·to·generate·code.</p><p>The·generated·Erlang·files·are·placed·in·the·current·directory·or·in·the |
| 146 | directory·specified·with·option·<code·class="inline">{outdir,Dir}</code>.</p><p>The·compiler·can·be·called·from·the·Erlang·shell·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">asn1ct</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id=" | 146 | directory·specified·with·option·<code·class="inline">{outdir,Dir}</code>.</p><p>The·compiler·can·be·called·from·the·Erlang·shell·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">asn1ct</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id="2359058130-1">(</span><span·class="s">"People"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2359058130-2">[</span><span·class="ss">ber</span><span·class="p"·data-group-id="2359058130-2">]</span><span·class=[·...·truncated·by·diffoscope;·len:·29,·SHA:·5471d081a01672778b9778b8088a207ebfdd672cf3ed35b8a2a9fe5e95ce79a6·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 147 | </span><span·class="ss">ok</span></code></pre><p>Option·<code·class="inline">verbose</code>·can·be·added·to·get·information·about·the·generated·files:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">asn1ct</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id=" | 147 | </span><span·class="ss">ok</span></code></pre><p>Option·<code·class="inline">verbose</code>·can·be·added·to·get·information·about·the·generated·files:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">asn1ct</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id="6865688379-1">(</span><span·class="s">"People"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6865688379-2">[</span><span·class="ss">ber</span><span·class="p">,</span><span·class="ss">verbose</span><span·clas[·...·truncated·by·diffoscope;·len:·84,·SHA:·3c0f6e218adcbdda2523dc0802e2a6bca2583251c750b961b3e385ce5121833a·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">ASN</span><span·class="p">.</span><span·class="mi">1</span><span·class="w">·</span><span·class="ss">compiling</span><span·class="w">·</span><span·class="s">"People.asn"</span><span·class="w"> | 148 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">ASN</span><span·class="p">.</span><span·class="mi">1</span><span·class="w">·</span><span·class="ss">compiling</span><span·class="w">·</span><span·class="s">"People.asn"</span><span·class="w"> |
| 149 | </span><span·class="o">--</span><span·class="p"·data-group-id=" | 149 | </span><span·class="o">--</span><span·class="p"·data-group-id="6865688379-3">{</span><span·class="ss">generated</span><span·class="p">,</span><span·class="s">"People.asn1db"</span><span·class="p"·data-group-id="6865688379-3">}</span><span·class="o">--</span><span·class="w"> |
| 150 | </span><span·class="o">--</span><span·class="p"·data-group-id=" | 150 | </span><span·class="o">--</span><span·class="p"·data-group-id="6865688379-4">{</span><span·class="ss">generated</span><span·class="p">,</span><span·class="s">"People.hrl"</span><span·class="p"·data-group-id="6865688379-4">}</span><span·class="o">--</span><span·class="w"> |
| 151 | </span><span·class="o">--</span><span·class="p"·data-group-id=" | 151 | </span><span·class="o">--</span><span·class="p"·data-group-id="6865688379-5">{</span><span·class="ss">generated</span><span·class="p">,</span><span·class="s">"People.erl"</span><span·class="p"·data-group-id="6865688379-5">}</span><span·class="o">--</span><span·class="w"> |
| 152 | </span><span·class="ss">ok</span></code></pre><p>ASN.1·module·<code·class="inline">People</code>·is·now·accepted·and·the·abstract·syntax·tree·is·saved·in | 152 | </span><span·class="ss">ok</span></code></pre><p>ASN.1·module·<code·class="inline">People</code>·is·now·accepted·and·the·abstract·syntax·tree·is·saved·in |
| 153 | file·<code·class="inline">People.asn1db</code>.·The·generated·Erlang·code·is·compiled·using·the·Erlang | 153 | file·<code·class="inline">People.asn1db</code>.·The·generated·Erlang·code·is·compiled·using·the·Erlang |
| 154 | compiler·and·loaded·into·the·Erlang·runtime·system.·There·is·now·an·API·for | 154 | compiler·and·loaded·into·the·Erlang·runtime·system.·There·is·now·an·API·for |
| 155 | <code·class="inline">encode/2</code>·and·<code·class="inline">decode/2</code>·in·module·<code·class="inline">People</code>,·which·is·called·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">'People'</span><span·class="p">:</span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 155 | <code·class="inline">encode/2</code>·and·<code·class="inline">decode/2</code>·in·module·<code·class="inline">People</code>,·which·is·called·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">'People'</span><span·class="p">:</span><span·class="nf">encode</span><span·class="p"·data-group-id="4127103606-1">(</span><span·class="o"><</span><span·class="n">Type</span><span·class="w">·</span><span·class="ss">name</span><span·class="o">></span><span·class="p">,</span><span·class="w">·</span><span·class="o"><</span><span·class="n">Value</spa[·...·truncated·by·diffoscope;·len:·604,·SHA:·66e710ce88baf5ed1c73a468a9c1094782de20162c04bdb8da409654384131cd·...·]-1">)</span></code></pre><p>Assume·that·there·is·a·network·application·that·receives·instances·of·the·ASN.1 |
| 156 | defined·type·<code·class="inline">Person</code>,·modifies,·and·sends·them·back·again:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">receive</span><span·class="w"> | 156 | defined·type·<code·class="inline">Person</code>,·modifies,·and·sends·them·back·again:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">receive</span><span·class="w"> |
| 157 | ···</span><span·class="p"·data-group-id=" | 157 | ···</span><span·class="p"·data-group-id="2549308897-1">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="p"·data-group-id="2549308897-2">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="n">Bytes</span><span·class="p"·data-group-id="2549308897-2">}</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·35fdd0737bdbf1349ed82d301b94d2f747325a0814850849d25e0800e42f1651·...·]-1">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ·······</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">'People'</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id=" | 158 | ·······</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">'People'</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="2549308897-3">(</span><span·class="ss">'Person'</span><span·class="p">,</span><span·class="n">Bytes</span><span·class="p"·data-group-id="2549308897-3">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 159 | ···········</span><span·class="p"·data-group-id=" | 159 | ···········</span><span·class="p"·data-group-id="2549308897-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">P</span><span·class="p"·data-group-id="2549308897-4">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 160 | ···············</span><span·class="p"·data-group-id=" | 160 | ···············</span><span·class="p"·data-group-id="2549308897-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Answer</span><span·class="p"·data-group-id="2549308897-5">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'People&#[·...·truncated·by·diffoscope;·len:·385,·SHA:·75908e6ed2da919f9763ed42d8720c57afb007eff832557b0f4eb738d065a4ae·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 161 | ···············</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 161 | ···············</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="2549308897-8">{</span><span·class="nf">self</span><span·class="p"·data-group-id="2549308897-9">(</span><span·class="p"·data-group-id="2549308897-9">)</span><span·class="p">,</span><span·class="p"·data-group-id="2549308897-10">{</span><span·class="ss">comma[·...·truncated·by·diffoscope;·len:·157,·SHA:·55871ab2f8bb37a3872bfa5ee4c11eb0288790f72e38d97b3fde777dce4e138a·...·]-8">}</span><span·class="p">;</span><span·class="w"> |
| 162 | ···········</span><span·class="p"·data-group-id=" | 162 | ···········</span><span·class="p"·data-group-id="2549308897-11">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="n">Reason</span><span·class="p"·data-group-id="2549308897-11">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 163 | ···············</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 163 | ···············</span><span·class="nf">exit</span><span·class="p"·data-group-id="2549308897-12">(</span><span·class="p"·data-group-id="2549308897-13">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="n">Reason</span><span·class="p"·data-group-id="2549308897-13">}</span><span·class="p"·data-group-id="2549308897-12">)</span><span·class="w"> |
| 164 | ·······</span><span·class="k">end</span><span·class="w"> | 164 | ·······</span><span·class="k">end</span><span·class="w"> |
| 165 | ····</span><span·class="k">end</span><span·class="p">,</span></code></pre><p>In·this·example,·a·series·of·bytes·is·received·from·an·external·source·and·the | 165 | ····</span><span·class="k">end</span><span·class="p">,</span></code></pre><p>In·this·example,·a·series·of·bytes·is·received·from·an·external·source·and·the |
| 166 | bytes·are·then·decoded·into·a·valid·Erlang·term.·This·was·achieved·with·the·call | 166 | bytes·are·then·decoded·into·a·valid·Erlang·term.·This·was·achieved·with·the·call |
| 167 | <code·class="inline">'People':decode('Person',Bytes)</code>,·which·returned·an·Erlang·value·of·the·ASN.1 | 167 | <code·class="inline">'People':decode('Person',Bytes)</code>,·which·returned·an·Erlang·value·of·the·ASN.1 |
| 168 | type·<code·class="inline">Person</code>.·Then·an·answer·was·constructed·and·encoded·using | 168 | type·<code·class="inline">Person</code>.·Then·an·answer·was·constructed·and·encoded·using |
| 169 | <code·class="inline">'People':encode('Person',Answer)</code>,·which·takes·an·instance·of·a·defined·ASN.1 | 169 | <code·class="inline">'People':encode('Person',Answer)</code>,·which·takes·an·instance·of·a·defined·ASN.1 |
| 170 | type·and·transforms·it·to·a·binary·according·to·the·BER·or·PER·encoding·rules.</p><p>The·encoder·and·decoder·can·also·be·run·from·the·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="n">Rockstar</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 170 | type·and·transforms·it·to·a·binary·according·to·the·BER·or·PER·encoding·rules.</p><p>The·encoder·and·decoder·can·also·be·run·from·the·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="n">Rockstar</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5067445135-1">{</span><span·class="ss">'Person'</span><span·class="p">,</span><span·class="s">"Some·Name"</span><span·class="p">,</span><span·class="ss">roving</span><span·class="p">,</span><span·class="mi">50</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·3126f585ec377c3565d0b686777415a0b557131c7ac75406f807944e7fa306d2·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="p"·data-group-id=" | 171 | </span><span·class="p"·data-group-id="5067445135-2">{</span><span·class="ss">'Person'</span><span·class="p">,</span><span·class="s">"Some·Name"</span><span·class="p">,</span><span·class="ss">roving</span><span·class="p">,</span><span·class="mi">50</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·3126f585ec377c3565d0b686777415a0b557131c7ac75406f807944e7fa306d2·...·]-2">}</span><span·class="gp·unselectable"> |
| 172 | 3>·</span><span·class="p"·data-group-id=" | 172 | 3>·</span><span·class="p"·data-group-id="5067445135-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Bin</span><span·class="p"·data-group-id="5067445135-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'People'[·...·truncated·by·diffoscope;·len:·250,·SHA:·dbdceeef31e0862eb4496ef6f1a166b0cbe7674dbcaa0a40956bd731444adfb7·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="p"·data-group-id=" | 173 | </span><span·class="p"·data-group-id="5067445135-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="5067445135-6"><<</span><span·class="mi">243</span><span·class="p">,</span><span·class="mi">17</span><span·class="p">,</span><span·class="mi">19</span><span·class="p">,</span><span·class="mi">9</span><span·class="p">,</span><span·class="mi">83</span><span·class="p">,</span><span·class="mi">111</span><span·class="p">,</span><span·class="mi">109</span><span·class="p">,</span><span·class="mi">101</span><span·class="p">,</span><span·class="mi">32</span><span·class="p">,</span><span·class="mi">78</span><span·class="p">,</span><span·class="mi">97</span><span·class="p">,</span><span·class="mi">109</span><span·class="p">,</span><span·class="mi">101</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 174 | ······</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">50</span><span·class="p"·data-group-id=" | 174 | ······</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">50</span><span·class="p"·data-group-id="5067445135-6">>></span><span·class="p"·data-group-id="5067445135-5">}</span><span·class="gp·unselectable"> |
| 175 | 4>·</span><span·class="p"·data-group-id=" | 175 | 4>·</span><span·class="p"·data-group-id="5067445135-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Person</span><span·class="p"·data-group-id="5067445135-7">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'People&#[·...·truncated·by·diffoscope;·len:·248,·SHA:·6a36f2dce492f43e8f77d1971e319ce5b42d1908429250a6b6b411c2ae60bc10·...·]-8">)</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="p"·data-group-id=" | 176 | </span><span·class="p"·data-group-id="5067445135-9">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="5067445135-10">{</span><span·class="ss">'Person'</span><span·class="p">,</span><span·class="s">"Some·Name"</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·177,·SHA:·ca0f9570311f207c2c2ad40432cd826b68931818432503590182bfe123ce9c8c·...·]-9">}</span></code></pre><h3·id="module-dependencies"·class="section-heading"> |
| 177 | ··<a·href="#module-dependencies"·class="hover-link"> | 177 | ··<a·href="#module-dependencies"·class="hover-link"> |
| 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 179 | ··</a> | 179 | ··</a> |
| 180 | ··<span·class="text">Module·Dependencies</span> | 180 | ··<span·class="text">Module·Dependencies</span> |
| 181 | </h3> | 181 | </h3> |
| 182 | <p>It·is·common·that·ASN.1·modules·import·defined·types,·values,·and·other·entities | 182 | <p>It·is·common·that·ASN.1·modules·import·defined·types,·values,·and·other·entities |
| 183 | from·another·ASN.1·module.</p><p>Earlier·versions·of·the·ASN.1·compiler·required·that·modules·that·were·imported | 183 | from·another·ASN.1·module.</p><p>Earlier·versions·of·the·ASN.1·compiler·required·that·modules·that·were·imported |
| Offset 267, 35 lines modified | Offset 267, 35 lines modified | ||
| 267 | ··</a> | 267 | ··</a> |
| 268 | ··<span·class="text">Note·about·tags</span> | 268 | ··<span·class="text">Note·about·tags</span> |
| 269 | </h2> | 269 | </h2> |
| 270 | <p>Tags·used·to·be·important·for·all·users·of·ASN.1,·because·it·was·necessary·to | 270 | <p>Tags·used·to·be·important·for·all·users·of·ASN.1,·because·it·was·necessary·to |
| 271 | to·manually·add·tags·to·certain·constructs·in·order·for·the·ASN.1·specification·to | 271 | to·manually·add·tags·to·certain·constructs·in·order·for·the·ASN.1·specification·to |
| 272 | be·valid.·Example·of·an·old-style·specification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Tags</span><span·class="w">·</span><span·class="n">DEFINITIONS</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w"> | 272 | be·valid.·Example·of·an·old-style·specification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Tags</span><span·class="w">·</span><span·class="n">DEFINITIONS</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w"> |
| 273 | </span><span·class="n">BEGIN</span><span·class="w"> | 273 | </span><span·class="n">BEGIN</span><span·class="w"> |
| 274 | ··</span><span·class="n">Afters</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">CHOICE</span><span·class="w">·</span><span·class="p"·data-group-id=" | 274 | ··</span><span·class="n">Afters</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">CHOICE</span><span·class="w">·</span><span·class="p"·data-group-id="7120732819-1">{</span><span·class="w">·</span><span·class="ss">cheese</span><span·class="w">·</span><span·class="p"·data-group-id="7120732819-2">[</span><span·class="mi">0</span><span·class="p"·data-group-id="7120732819-2">]</span><span·class="w">·</span><span·class="n">IA5String</span><span·class="p">,</span><span·class="w"> |
| 275 | ······················</span><span·class="ss">dessert</span><span·class="w">·</span><span·class="p"·data-group-id=" | 275 | ······················</span><span·class="ss">dessert</span><span·class="w">·</span><span·class="p"·data-group-id="7120732819-3">[</span><span·class="mi">1</span><span·class="p"·data-group-id="7120732819-3">]</span><span·class="w">·</span><span·class="n">IA5String</span><span·class="w">·</span><span·class="p"·data-group-id="7120732819-1">}</span><span·class="w"> |
| 276 | </span><span·class="n">END</span></code></pre><p>Without·the·tags·(the·numbers·in·square·brackets)·the·ASN.1·compiler·refused·to | 276 | </span><span·class="n">END</span></code></pre><p>Without·the·tags·(the·numbers·in·square·brackets)·the·ASN.1·compiler·refused·to |
| 277 | compile·the·file.</p><p>In·1994·the·global·tagging·mode·<code·class="inline">AUTOMATIC·TAGS</code>·was·introduced.·By·putting | 277 | compile·the·file.</p><p>In·1994·the·global·tagging·mode·<code·class="inline">AUTOMATIC·TAGS</code>·was·introduced.·By·putting |
| 278 | <code·class="inline">AUTOMATIC·TAGS</code>·in·the·module·header,·the·ASN.1·compiler·automatically·adds | 278 | <code·class="inline">AUTOMATIC·TAGS</code>·in·the·module·header,·the·ASN.1·compiler·automatically·adds |
| 279 | tags·when·needed.·The·following·is·the·same·specification·in·<code·class="inline">AUTOMATIC·TAGS</code> | 279 | tags·when·needed.·The·following·is·the·same·specification·in·<code·class="inline">AUTOMATIC·TAGS</code> |
| 280 | mode:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Tags</span><span·class="w">·</span><span·class="n">DEFINITIONS</span><span·class="w">·</span><span·class="n">AUTOMATIC</span><span·class="w">·</span><span·class="n">TAGS</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w"> | 280 | mode:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Tags</span><span·class="w">·</span><span·class="n">DEFINITIONS</span><span·class="w">·</span><span·class="n">AUTOMATIC</span><span·class="w">·</span><span·class="n">TAGS</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w"> |
| 281 | </span><span·class="n">BEGIN</span><span·class="w"> | 281 | </span><span·class="n">BEGIN</span><span·class="w"> |
| 282 | ··</span><span·class="n">Afters</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">CHOICE</span><span·class="w">·</span><span·class="p"·data-group-id=" | 282 | ··</span><span·class="n">Afters</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">CHOICE</span><span·class="w">·</span><span·class="p"·data-group-id="4683845795-1">{</span><span·class="w">·</span><span·class="ss">cheese</span><span·class="w">·</span><span·class="n">IA5String</span><span·class="p">,</span><span·class="w"> |
| 283 | ······················</span><span·class="ss">dessert</span><span·class="w">·</span><span·class="n">IA5String</span><span·class="w">·</span><span·class="p"·data-group-id=" | 283 | ······················</span><span·class="ss">dessert</span><span·class="w">·</span><span·class="n">IA5String</span><span·class="w">·</span><span·class="p"·data-group-id="4683845795-1">}</span><span·class="w"> |
| 284 | </span><span·class="n">END</span></code></pre><p><a·href=""·id="ASN1Types"></a></p><h2·id="asn-1-types"·class="section-heading"> | 284 | </span><span·class="n">END</span></code></pre><p><a·href=""·id="ASN1Types"></a></p><h2·id="asn-1-types"·class="section-heading"> |
| 285 | ··<a·href="#asn-1-types"·class="hover-link"> | 285 | ··<a·href="#asn-1-types"·class="hover-link"> |
| 286 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 286 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 287 | ··</a> | 287 | ··</a> |
| 288 | ··<span·class="text">ASN.1·Types</span> | 288 | ··<span·class="text">ASN.1·Types</span> |
| 289 | </h2> | 289 | </h2> |
| 290 | <p>This·section·describes·the·ASN.1·types·including·their·functionality,·purpose, | 290 | <p>This·section·describes·the·ASN.1·types·including·their·functionality,·purpose, |
| 291 | and·how·values·are·assigned·in·Erlang.</p><p>ASN.1·has·both·primitive·and·constructed·types:</p><table><thead><tr><th·style="text-align:·left;"><em>Primitive·Types</em></th><th·style="text-align:·left;"><em>Constructed·Types</em></th></tr></thead><tbody><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#boolean">BOOLEAN</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#sequence">SEQUENCE</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#integer">INTEGER</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#set">SET</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#real">REAL</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#choice">CHOICE</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#null">NULL</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#SOF">SET·OF·and·SEQUENCE·OF</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#enumerated">ENUMERATED</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#ANY">ANY</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#bit-string">BIT·STRING</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#ANY">ANY·DEFINED·BY</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#octet-string">OCTET·STRING</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#NegotiationTypes">EXTERNAL</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#character-strings">Character·Strings</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#NegotiationTypes">EMBEDDED·PDV</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#object-identifier">OBJECT·IDENTIFIER</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#NegotiationTypes">CHARACTER·STRING</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#object-descriptor">Object·Descriptor</a></td><td·style="text-align:·left;"></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#The-TIME-types">TIME·Types</a></td><td·style="text-align:·left;"></td></tr></tbody></table><p><em>Table:·Supported·ASN.1·Types</em></p><p><a·href=""·id="TypeNameValue"></a></p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·values·of·each·ASN.1·type·have·their·own·representation·in·Erlang,·as | 291 | and·how·values·are·assigned·in·Erlang.</p><p>ASN.1·has·both·primitive·and·constructed·types:</p><table><thead><tr><th·style="text-align:·left;"><em>Primitive·Types</em></th><th·style="text-align:·left;"><em>Constructed·Types</em></th></tr></thead><tbody><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#boolean">BOOLEAN</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#sequence">SEQUENCE</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#integer">INTEGER</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#set">SET</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#real">REAL</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#choice">CHOICE</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#null">NULL</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#SOF">SET·OF·and·SEQUENCE·OF</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#enumerated">ENUMERATED</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#ANY">ANY</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#bit-string">BIT·STRING</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#ANY">ANY·DEFINED·BY</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#octet-string">OCTET·STRING</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#NegotiationTypes">EXTERNAL</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#character-strings">Character·Strings</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#NegotiationTypes">EMBEDDED·PDV</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#object-identifier">OBJECT·IDENTIFIER</a></td><td·style="text-align:·left;"><a·href="asn1_getting_started.html#NegotiationTypes">CHARACTER·STRING</a></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#object-descriptor">Object·Descriptor</a></td><td·style="text-align:·left;"></td></tr><tr><td·style="text-align:·left;"><a·href="asn1_getting_started.html#The-TIME-types">TIME·Types</a></td><td·style="text-align:·left;"></td></tr></tbody></table><p><em>Table:·Supported·ASN.1·Types</em></p><p><a·href=""·id="TypeNameValue"></a></p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·values·of·each·ASN.1·type·have·their·own·representation·in·Erlang,·as |
| 292 | described·in·the·following·sections.·Users·must·provide·these·values·for | 292 | described·in·the·following·sections.·Users·must·provide·these·values·for |
| 293 | encoding·according·to·the·representation,·as·shown·in·the·following·example:</p></section><pre><code·class="text">Operational·::=·BOOLEAN·--ASN.1·definition</code></pre><p>In·Erlang·code·it·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Val</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="p">,</span><span·class="w"> | 293 | encoding·according·to·the·representation,·as·shown·in·the·following·example:</p></section><pre><code·class="text">Operational·::=·BOOLEAN·--ASN.1·definition</code></pre><p>In·Erlang·code·it·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Val</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="p">,</span><span·class="w"> |
| 294 | </span><span·class="p"·data-group-id=" | 294 | </span><span·class="p"·data-group-id="5137946109-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Bytes</span><span·class="p"·data-group-id="5137946109-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">MyModule</span>[·...·truncated·by·diffoscope;·len:·267,·SHA:·d26cce266ac4898fb4cb125728f3bd96b387fc847b2c3237e4c37e0805b7fa0a·...·]-2">)</span><span·class="p">,</span></code></pre><h3·id="boolean"·class="section-heading"> |
| 295 | ··<a·href="#boolean"·class="hover-link"> | 295 | ··<a·href="#boolean"·class="hover-link"> |
| 296 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 296 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 297 | ··</a> | 297 | ··</a> |
| 298 | ··<span·class="text">BOOLEAN</span> | 298 | ··<span·class="text">BOOLEAN</span> |
| 299 | </h3> | 299 | </h3> |
| 300 | <p>Booleans·in·ASN.1·express·values·that·can·be·either·<code·class="inline">TRUE</code>·or·<code·class="inline">FALSE</code>.·The | 300 | <p>Booleans·in·ASN.1·express·values·that·can·be·either·<code·class="inline">TRUE</code>·or·<code·class="inline">FALSE</code>.·The |
| 301 | meanings·assigned·to·<code·class="inline">TRUE</code>·and·<code·class="inline">FALSE</code>·are·outside·the·scope·of·this·text.</p><p>In·ASN.1·it·is·possible·to·have:</p><pre><code·class="text">Operational·::=·BOOLEAN</code></pre><p>Assigning·a·value·to·type·<code·class="inline">Operational</code>·in·Erlang·is·possible·by·using·the | 301 | meanings·assigned·to·<code·class="inline">TRUE</code>·and·<code·class="inline">FALSE</code>·are·outside·the·scope·of·this·text.</p><p>In·ASN.1·it·is·possible·to·have:</p><pre><code·class="text">Operational·::=·BOOLEAN</code></pre><p>Assigning·a·value·to·type·<code·class="inline">Operational</code>·in·Erlang·is·possible·by·using·the |
| Offset 304, 19 lines modified | Offset 304, 19 lines modified | ||
| 304 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 304 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 305 | ··</a> | 305 | ··</a> |
| 306 | ··<span·class="text">INTEGER</span> | 306 | ··<span·class="text">INTEGER</span> |
| 307 | </h3> | 307 | </h3> |
| 308 | <p>An·ASN.1·INTEGER·is·represented·by·an·integer·in·Erlang.</p><p>The·concept·of·subtyping·can·be·applied·to·integers·and·to·other·ASN.1·types. | 308 | <p>An·ASN.1·INTEGER·is·represented·by·an·integer·in·Erlang.</p><p>The·concept·of·subtyping·can·be·applied·to·integers·and·to·other·ASN.1·types. |
| 309 | The·details·of·subtyping·are·not·explained·here;·for·more·information,·see | 309 | The·details·of·subtyping·are·not·explained·here;·for·more·information,·see |
| 310 | X.680.·Various·syntaxes·are·allowed·when·defining·a·type·as·an·integer:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">T1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w"> | 310 | X.680.·Various·syntaxes·are·allowed·when·defining·a·type·as·an·integer:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">T1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w"> |
| 311 | </span><span·class="n">T2</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id=" | 311 | </span><span·class="n">T2</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id="3860030253-1">(</span><span·class="o">-</span><span·class="mi">2</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">7</span><span·class="p"·data-group-id="3860030253-1">)</span><span·class="w"> |
| 312 | </span><span·class="n">T3</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id=" | 312 | </span><span·class="n">T3</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id="3860030253-2">(</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="n">MAX</span><span·class="p"·data-group-id="3860030253-2">)</span><span·class="w"> |
| 313 | </span><span·class="n">T4</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id=" | 313 | </span><span·class="n">T4</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id="3860030253-3">(</span><span·class="mi">0</span><span·class="o"><</span><span·class="p">.</span><span·class="p">.</span><span·class="n">MAX</span><span·class="p"·data-group-id="3860030253-3">)</span><span·class="w"> |
| 314 | </span><span·class="n">T5</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id=" | 314 | </span><span·class="n">T5</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id="3860030253-4">(</span><span·class="n">MIN</span><span·class="o"><</span><span·class="p">.</span><span·class="p">.</span><span·class="o">-</span><span·class="mi">99</span><span·class="p"·data-group-id="3860030253-4">)</span><span·class="w"> |
| 315 | </span><span·class="n">T6</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id=" | 315 | </span><span·class="n">T6</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">INTEGER</span><span·class="w">·</span><span·class="p"·data-group-id="3860030253-5">{</span><span·class="nf">red</span><span·class="p"·data-group-id="3860030253-6">(</span><span·class="mi">0</span><span·class="p"·data-group-id="3860030253-6">)</span><span·class="p">,</span><span·class="nf">blue</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·331,·SHA:·215fef6e9ec023d86cca8a0e8e1794836a87501107d5af14daf06adc0d2d4cf2·...·]3-5">}</span></code></pre><p>The·Erlang·representation·of·an·ASN.1·<code·class="inline">INTEGER</code>·is·an·integer·or·an·atom·if·a |
| 316 | <code·class="inline">Named·Number·List</code>·(see·<code·class="inline">T6</code>·in·the·previous·list)·is·specified.</p><p>The·following·is·an·example·of·Erlang·code·that·assigns·values·for·the·types·in | 316 | <code·class="inline">Named·Number·List</code>·(see·<code·class="inline">T6</code>·in·the·previous·list)·is·specified.</p><p>The·following·is·an·example·of·Erlang·code·that·assigns·values·for·the·types·in |
| 317 | the·previous·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">T1value</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> | 317 | the·previous·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">T1value</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 318 | </span><span·class="n">T2value</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">6</span><span·class="p">,</span><span·class="w"> | 318 | </span><span·class="n">T2value</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">6</span><span·class="p">,</span><span·class="w"> |
| 319 | </span><span·class="n">T6value1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">blue</span><span·class="p">,</span><span·class="w"> | 319 | </span><span·class="n">T6value1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">blue</span><span·class="p">,</span><span·class="w"> |
| 320 | </span><span·class="n">T6value2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> | 320 | </span><span·class="n">T6value2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 321 | </span><span·class="n">T6value3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">white</span></code></pre><p>These·Erlang·variables·are·now·bound·to·valid·instances·of·ASN.1·defined·types. | 321 | </span><span·class="n">T6value3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">white</span></code></pre><p>These·Erlang·variables·are·now·bound·to·valid·instances·of·ASN.1·defined·types. |
| 322 | This·style·of·value·can·be·passed·directly·to·the·encoder·for·transformation | 322 | This·style·of·value·can·be·passed·directly·to·the·encoder·for·transformation |
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| 357 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 357 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 358 | ··</a> | 358 | ··</a> |
| 359 | ··<span·class="text">BIT·STRING</span> | 359 | ··<span·class="text">BIT·STRING</span> |
| 360 | </h3> | 360 | </h3> |
| 361 | <p>The·type·<code·class="inline">BIT·STRING</code>·can·be·used·to·model·information·that·is·made·up·of | 361 | <p>The·type·<code·class="inline">BIT·STRING</code>·can·be·used·to·model·information·that·is·made·up·of |
| 362 | arbitrary·length·series·of·bits.·It·is·intended·to·be·used·for·selection·of | 362 | arbitrary·length·series·of·bits.·It·is·intended·to·be·used·for·selection·of |
| 363 | flags,·not·for·binary·files.</p><p>In·ASN.1,·<code·class="inline">BIT·STRING</code>·definitions·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bits1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">BIT</span><span·class="w">·</span><span·class="n">STRING</span><span·class="w"> | 363 | flags,·not·for·binary·files.</p><p>In·ASN.1,·<code·class="inline">BIT·STRING</code>·definitions·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bits1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">BIT</span><span·class="w">·</span><span·class="n">STRING</span><span·class="w"> |
| 364 | </span><span·class="n">Bits2</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">BIT</span><span·class="w">·</span><span·class="n">STRING</span><span·class="w">·</span><span·class="p"·data-group-id=" | 364 | </span><span·class="n">Bits2</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">BIT</span><span·class="w">·</span><span·class="n">STRING</span><span·class="w">·</span><span·class="p"·data-group-id="3181864559-1">{</span><span·class="nf">foo</span><span·class="p"·data-group-id="3181864559-2">(</span><span·class="mi">0</span><span·class="p"·data-group-id="3181864559-2">)</span><span·class="p">,</span><span·class="nf">bar</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·695,·SHA:·6b51571e8c5a897af8c5ba53ec1f40086cf1e698e8dd9cdde9156cd88116a1f0·...·]59-1">}</span></code></pre><p>The·following·two·notations·are·available·for·representation·of·<code·class="inline">BIT·STRING</code> |
| 365 | values·in·Erlang·and·as·input·to·the·encode·functions:</p><ol><li>A·bitstring.·By·default,·a·<code·class="inline">BIT·STRING</code>·with·no·symbolic·names·is·decoded·to | 365 | values·in·Erlang·and·as·input·to·the·encode·functions:</p><ol><li>A·bitstring.·By·default,·a·<code·class="inline">BIT·STRING</code>·with·no·symbolic·names·is·decoded·to |
| 366 | an·Erlang·bitstring.</li><li>A·list·of·atoms·corresponding·to·atoms·in·the·<code·class="inline">NamedBitList</code>·in·the | 366 | an·Erlang·bitstring.</li><li>A·list·of·atoms·corresponding·to·atoms·in·the·<code·class="inline">NamedBitList</code>·in·the |
| 367 | <code·class="inline">BIT·STRING</code>·definition.·A·<code·class="inline">BIT·STRING</code>·with·symbolic·names·is·always·decoded | 367 | <code·class="inline">BIT·STRING</code>·definition.·A·<code·class="inline">BIT·STRING</code>·with·symbolic·names·is·always·decoded |
| 368 | to·the·format·shown·in·the·following·example:</li></ol><pre><code·class="text">Bits1Val1·=·<<0:1,1:1,0:1,1:1,1:1>>, | 368 | to·the·format·shown·in·the·following·example:</li></ol><pre><code·class="text">Bits1Val1·=·<<0:1,1:1,0:1,1:1,1:1>>, |
| 369 | Bits2Val1·=·[gnu,punk], | 369 | Bits2Val1·=·[gnu,punk], |
| 370 | Bits2Val2·=·<<2#1110:4>>, | 370 | Bits2Val2·=·<<2#1110:4>>, |
| 371 | Bits2Val3·=·[bar,gnu,gnome],</code></pre><p><code·class="inline">Bits2Val2</code>·and·<code·class="inline">Bits2Val3</code>·denote·the·same·value.</p><p><code·class="inline">Bits2Val1</code>·is·assigned·symbolic·values.·The·assignment·means·that·the·bits | 371 | Bits2Val3·=·[bar,gnu,gnome],</code></pre><p><code·class="inline">Bits2Val2</code>·and·<code·class="inline">Bits2Val3</code>·denote·the·same·value.</p><p><code·class="inline">Bits2Val1</code>·is·assigned·symbolic·values.·The·assignment·means·that·the·bits |
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| 385 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 385 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 386 | ··</a> | 386 | ··</a> |
| 387 | ··<span·class="text">OCTET·STRING</span> | 387 | ··<span·class="text">OCTET·STRING</span> |
| 388 | </h3> | 388 | </h3> |
| 389 | <p><code·class="inline">OCTET·STRING</code>·is·the·simplest·of·all·ASN.1·types.·<code·class="inline">OCTET·STRING</code>·only·moves·or | 389 | <p><code·class="inline">OCTET·STRING</code>·is·the·simplest·of·all·ASN.1·types.·<code·class="inline">OCTET·STRING</code>·only·moves·or |
| 390 | transfers,·for·example,·binary·files·or·other·unstructured·information·complying | 390 | transfers,·for·example,·binary·files·or·other·unstructured·information·complying |
| 391 | with·two·rules:·the·bytes·consist·of·octets·and·encoding·is·not·required.</p><p>It·is·possible·to·have·the·following·ASN.1·type·definitions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">O1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">OCTET</span><span·class="w">·</span><span·class="n">STRING</span><span·class="w"> | 391 | with·two·rules:·the·bytes·consist·of·octets·and·encoding·is·not·required.</p><p>It·is·possible·to·have·the·following·ASN.1·type·definitions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">O1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">OCTET</span><span·class="w">·</span><span·class="n">STRING</span><span·class="w"> |
| 392 | </span><span·class="n">O2</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">OCTET</span><span·class="w">·</span><span·class="n">STRING</span><span·class="w">·</span><span·class="p"·data-group-id=" | 392 | </span><span·class="n">O2</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">OCTET</span><span·class="w">·</span><span·class="n">STRING</span><span·class="w">·</span><span·class="p"·data-group-id="2475505715-1">(</span><span·class="n">SIZE</span><span·class="p"·data-group-id="2475505715-2">(</span><span·class="mi">28</span><span·class="p"·data-group-id="2475505715-2">)</span><span·class="p"·data-group-id="2475505715-1">)</span></code></pre><p>With·the·following·example·assignments·in·Erlang:</p><pre><code·class="text">O1Val·=·<<17,13,19,20,0,0,255,254>>, |
| 393 | O2Val·=·<<"must·be·exactly·28·chars....">>,</code></pre><p>By·default,·an·<code·class="inline">OCTET·STRING</code>·is·always·represented·as·an·Erlang·binary.·If·the | 393 | O2Val·=·<<"must·be·exactly·28·chars....">>,</code></pre><p>By·default,·an·<code·class="inline">OCTET·STRING</code>·is·always·represented·as·an·Erlang·binary.·If·the |
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| 199 | ······<p·class="built-using"> | 199 | ······<p·class="built-using"> |
| 200 | ········Built·using | 200 | ········Built·using |
| 201 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 201 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 202 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 202 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 203 | ······</p> | 203 | ······</p> |
| 204 | <p>Copyright·©·1996-202 | 204 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 205 | ····</footer> | 205 | ····</footer> |
| 206 | ··</div> | 206 | ··</div> |
| 207 | </main> | 207 | </main> |
| 208 | </div> | 208 | </div> |
| 209 | <script> | 209 | <script> |
| 210 | ··function·mermaidLoaded()·{ | 210 | ··function·mermaidLoaded()·{ |
| 211 | ····mermaid.initialize({ | 211 | ····mermaid.initialize({ |
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| 186 | ······<p·class="built-using"> | 186 | ······<p·class="built-using"> |
| 187 | ········Built·using | 187 | ········Built·using |
| 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 190 | ······</p> | 190 | ······</p> |
| 191 | <p>Copyright·©·1996-202 | 191 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 192 | ····</footer> | 192 | ····</footer> |
| 193 | ··</div> | 193 | ··</div> |
| 194 | </main> | 194 | </main> |
| 195 | </div> | 195 | </div> |
| 196 | <script> | 196 | <script> |
| 197 | ··function·mermaidLoaded()·{ | 197 | ··function·mermaidLoaded()·{ |
| 198 | ····mermaid.initialize({ | 198 | ····mermaid.initialize({ |
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| 161 | </h3> | 161 | </h3> |
| 162 | <p>The·runtime·user·interface·for·exclusive·decode·comprises·the·following·two | 162 | <p>The·runtime·user·interface·for·exclusive·decode·comprises·the·following·two |
| 163 | functions:</p><ul><li>A·function·for·an·exclusive·decode,·whose·name·the·user·decides·in·the | 163 | functions:</p><ul><li>A·function·for·an·exclusive·decode,·whose·name·the·user·decides·in·the |
| 164 | configuration·file</li><li>A·<code·class="inline">decode_part/2</code>·function·generated·by·the·ASN.1·compiler·when | 164 | configuration·file</li><li>A·<code·class="inline">decode_part/2</code>·function·generated·by·the·ASN.1·compiler·when |
| 165 | exclusive·decode·is·enabled.·This·function·decodes·the·parts·that | 165 | exclusive·decode·is·enabled.·This·function·decodes·the·parts·that |
| 166 | were·left·undecoded·during·the·exclusive·decode.</li></ul><p>Both·functions·are·described·in·the·following.</p><p>If·the·exclusive·decode·function·has,·for·example,·the·name·<code·class="inline">decode_exclusive</code> | 166 | were·left·undecoded·during·the·exclusive·decode.</li></ul><p>Both·functions·are·described·in·the·following.</p><p>If·the·exclusive·decode·function·has,·for·example,·the·name·<code·class="inline">decode_exclusive</code> |
| 167 | and·an·ASN.1·encoded·message·<code·class="inline">Bin</code>·is·to·be·exclusive·decoded,·the·call·is·as | 167 | and·an·ASN.1·encoded·message·<code·class="inline">Bin</code>·is·to·be·exclusive·decoded,·the·call·is·as |
| 168 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 168 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1170336035-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">ExclMessage</span><span·class="p"·data-group-id="1170336035-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'MyM[·...·truncated·by·diffoscope;·len:·201,·SHA:·214cacf8276bddc2cca6a5d687114126d64f715aa2433e40748d7efcd12a467c·...·]-2">)</span></code></pre><p><a·href=""·id="UndecodedPart"></a>·The·result·<code·class="inline">ExclMessage</code>·has·the·same·structure·as·a |
| 169 | complete·decode·would·have,·except·for·the·parts·of·the·top·type·that·were·not | 169 | complete·decode·would·have,·except·for·the·parts·of·the·top·type·that·were·not |
| 170 | decoded.·The·undecoded·parts·are·on·their·places·in·the·structure·on·format | 170 | decoded.·The·undecoded·parts·are·on·their·places·in·the·structure·on·format |
| 171 | <code·class="inline">{TypeKey,UndecodedValue}</code>.</p><p>Each·undecoded·part·that·is·to·be·decoded·must·be·fed·into·function | 171 | <code·class="inline">{TypeKey,UndecodedValue}</code>.</p><p>Each·undecoded·part·that·is·to·be·decoded·must·be·fed·into·function |
| 172 | <code·class="inline">decode_part/2</code>·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 172 | <code·class="inline">decode_part/2</code>·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4730406225-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">PartMessage</span><span·class="p"·data-group-id="4730406225-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'MyM[·...·truncated·by·diffoscope;·len:·285,·SHA:·e31417ad96606ea40f5a4861864d90d898069c107eaeb29bdff3ff0fbeede41b·...·]-2">)</span></code></pre><p><a·href=""·id="Exclusive-Instruction"></a></p><h3·id="writing-an-exclusive-decode-instruction"·class="section-heading"> |
| 173 | ··<a·href="#writing-an-exclusive-decode-instruction"·class="hover-link"> | 173 | ··<a·href="#writing-an-exclusive-decode-instruction"·class="hover-link"> |
| 174 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 174 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 175 | ··</a> | 175 | ··</a> |
| 176 | ··<span·class="text">Writing·an·Exclusive·Decode·Instruction</span> | 176 | ··<span·class="text">Writing·an·Exclusive·Decode·Instruction</span> |
| 177 | </h3> | 177 | </h3> |
| 178 | <p>This·instruction·is·written·in·the·configuration·file·in·the·following·format:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ExclusiveDecodeInstruction</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 178 | <p>This·instruction·is·written·in·the·configuration·file·in·the·following·format:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ExclusiveDecodeInstruction</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2396104025-1">{</span><span·class="ss">exclusive_decode</span><span·class="p">,</span><span·class="p"·data-group-id="2396104025-2">{</span><span·class="n">ModuleName</span><span·class="p">,</span><span·class="n">DecodeInstructions</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·75,·SHA:·ff8ee72632fcd6e9d458533a6ae6131af803877e6552bc14ed2d036f6905e517·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 179 | </span><span·class="n">ModuleName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 179 | </span><span·class="n">ModuleName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="2396104025-3">(</span><span·class="p"·data-group-id="2396104025-3">)</span><span·class="w"> |
| 180 | </span><span·class="n">DecodeInstructions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 180 | </span><span·class="n">DecodeInstructions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2396104025-4">[</span><span·class="n">DecodeInstruction</span><span·class="p"·data-group-id="2396104025-4">]</span><span·class="o">+</span><span·class="w"> |
| 181 | </span><span·class="n">DecodeInstruction</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 181 | </span><span·class="n">DecodeInstruction</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2396104025-5">{</span><span·class="n">ExclusiveDecodeFunctionName</span><span·class="p">,</span><span·class="n">TypeList</span><span·class="p"·data-group-id="2396104025-5">}</span><span·class="w"> |
| 182 | </span><span·class="n">ExclusiveDecodeFunctionName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 182 | </span><span·class="n">ExclusiveDecodeFunctionName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="2396104025-6">(</span><span·class="p"·data-group-id="2396104025-6">)</span><span·class="w"> |
| 183 | </span><span·class="n">TypeList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 183 | </span><span·class="n">TypeList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2396104025-7">[</span><span·class="n">TopType</span><span·class="p">,</span><span·class="n">ElementList</span><span·class="p"·data-group-id="2396104025-7">]</span><span·class="w"> |
| 184 | </span><span·class="n">ElementList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 184 | </span><span·class="n">ElementList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2396104025-8">[</span><span·class="n">Element</span><span·class="p"·data-group-id="2396104025-8">]</span><span·class="o">+</span><span·class="w"> |
| 185 | </span><span·class="n">Element</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 185 | </span><span·class="n">Element</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2396104025-9">{</span><span·class="n">Name</span><span·class="p">,</span><span·class="ss">parts</span><span·class="p"·data-group-id="2396104025-9">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 186 | ··········</span><span·class="p"·data-group-id=" | 186 | ··········</span><span·class="p"·data-group-id="2396104025-10">{</span><span·class="n">Name</span><span·class="p">,</span><span·class="ss">undecoded</span><span·class="p"·data-group-id="2396104025-10">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 187 | ··········</span><span·class="p"·data-group-id=" | 187 | ··········</span><span·class="p"·data-group-id="2396104025-11">{</span><span·class="n">Name</span><span·class="p">,</span><span·class="n">ElementList</span><span·class="p"·data-group-id="2396104025-11">}</span><span·class="w"> |
| 188 | </span><span·class="n">TopType</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 188 | </span><span·class="n">TopType</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="2396104025-12">(</span><span·class="p"·data-group-id="2396104025-12">)</span><span·class="w"> |
| 189 | </span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 189 | </span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="2396104025-13">(</span><span·class="p"·data-group-id="2396104025-13">)</span></code></pre><p>The·instruction·must·be·a·valid·Erlang·term·terminated·by·a·dot.</p><p>In·<code·class="inline">TypeList</code>·the·path·from·the·top·type·to·each·undecoded·subcomponent·is |
| 190 | described.·<code·class="inline">TopType</code>·is·the·name·of·a·top-level·type·in·the·ASN.1·specification. | 190 | described.·<code·class="inline">TopType</code>·is·the·name·of·a·top-level·type·in·the·ASN.1·specification. |
| 191 | The·action·for·each·component·in·<code·class="inline">ElementList</code>·is·described·by·one·of:</p><ul><li><code·class="inline">{Name,parts}</code></li><li><code·class="inline">{Name,undecoded}</code></li><li><code·class="inline">{Name,ElementList}</code></li></ul><p>The·use·and·effect·of·the·actions·are·as·follows:</p><ul><li><p><strong><code·class="inline">{Name,undecoded}</code></strong>·-·Leaves·the·element·undecoded.·The·type·of·<code·class="inline">Name</code>·can | 191 | The·action·for·each·component·in·<code·class="inline">ElementList</code>·is·described·by·one·of:</p><ul><li><code·class="inline">{Name,parts}</code></li><li><code·class="inline">{Name,undecoded}</code></li><li><code·class="inline">{Name,ElementList}</code></li></ul><p>The·use·and·effect·of·the·actions·are·as·follows:</p><ul><li><p><strong><code·class="inline">{Name,undecoded}</code></strong>·-·Leaves·the·element·undecoded.·The·type·of·<code·class="inline">Name</code>·can |
| 192 | be·any·ASN.1·type.·The·value·of·element·<code·class="inline">Name</code>·is·returned·as·a·tuple·(as | 192 | be·any·ASN.1·type.·The·value·of·element·<code·class="inline">Name</code>·is·returned·as·a·tuple·(as |
| 193 | mentioned·in·the·previous·section)·in·the·value·structure·of·the·top·type.</p></li><li><p><strong><code·class="inline">{Name,parts}</code></strong>·-·The·type·of·<code·class="inline">Name</code>·must·be·either·<code·class="inline">SEQUENCE·OF</code>·or | 193 | mentioned·in·the·previous·section)·in·the·value·structure·of·the·top·type.</p></li><li><p><strong><code·class="inline">{Name,parts}</code></strong>·-·The·type·of·<code·class="inline">Name</code>·must·be·either·<code·class="inline">SEQUENCE·OF</code>·or |
| 194 | <code·class="inline">SET·OF</code>.·The·action·implies·that·the·different·components·of·<code·class="inline">Name</code>·are·left | 194 | <code·class="inline">SET·OF</code>.·The·action·implies·that·the·different·components·of·<code·class="inline">Name</code>·are·left |
| 195 | undecoded.·The·value·of·<code·class="inline">Name</code>·is·returned·as·a·tuple·(as·mentioned·in·the | 195 | undecoded.·The·value·of·<code·class="inline">Name</code>·is·returned·as·a·tuple·(as·mentioned·in·the |
| 196 | previous·section)·where·the·second·element·is·a·list·of·binaries.·This·is | 196 | previous·section)·where·the·second·element·is·a·list·of·binaries.·This·is |
| Offset 257, 86 lines modified | Offset 257, 86 lines modified | ||
| 257 | ·{'GUI', | 257 | ·{'GUI', |
| 258 | ··[{decode_Window_exclusive, | 258 | ··[{decode_Window_exclusive, |
| 259 | ····['Window',[{status,[{buttonList,parts},{actions,undecoded}]}]]}, | 259 | ····['Window',[{status,[{buttonList,parts},{actions,undecoded}]}]]}, |
| 260 | ···{decode_Button_exclusive, | 260 | ···{decode_Button_exclusive, |
| 261 | ····['Button',[{number,undecoded}]]}]}}.</code></pre><p>The·following·figure·shows·the·bytes·of·a·<code·class="inline">Window:status</code>·message.·The | 261 | ····['Button',[{number,undecoded}]]}]}}.</code></pre><p>The·following·figure·shows·the·bytes·of·a·<code·class="inline">Window:status</code>·message.·The |
| 262 | components·<code·class="inline">buttonList</code>·and·<code·class="inline">actions</code>·are·excluded·from·decode.·Only·<code·class="inline">state</code>·and | 262 | components·<code·class="inline">buttonList</code>·and·<code·class="inline">actions</code>·are·excluded·from·decode.·Only·<code·class="inline">state</code>·and |
| 263 | <code·class="inline">enabled</code>·are·decoded·when·<code·class="inline">decode__Window_exclusive</code>·is·called.</p><p><img·src="assets/exclusive_Win_But.gif"·alt="Bytes·of·a·Window:status·Message"·title="Bytes·of·a·Window:status·Message"/></p><p>Here·follows·an·example·of·how·the·module.·Note·that·option·<code·class="inline">no_ok_wrapper</code>·is | 263 | <code·class="inline">enabled</code>·are·decoded·when·<code·class="inline">decode__Window_exclusive</code>·is·called.</p><p><img·src="assets/exclusive_Win_But.gif"·alt="Bytes·of·a·Window:status·Message"·title="Bytes·of·a·Window:status·Message"/></p><p>Here·follows·an·example·of·how·the·module.·Note·that·option·<code·class="inline">no_ok_wrapper</code>·is |
| 264 | used·to·make·the·example·more·concise.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">asn1ct</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id="3 | 264 | used·to·make·the·example·more·concise.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">asn1ct</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id="8038973589-1">(</span><span·class="ss">'GUI'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8038973589-2">[</span><span·class="ss">ber</span><span·class="p">,</span><span·class="ss">asn1config</span><span·class[·...·truncated·by·diffoscope;·len:·144,·SHA:·f4fba03c2b34e73948e876ffceba80227d7a71c4e8a6f695eb7fd74f6ae350f9·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 265 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 265 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 266 | 2>·</span><span·class="nf">rr</span><span·class="p"·data-group-id="3 | 266 | 2>·</span><span·class="nf">rr</span><span·class="p"·data-group-id="8038973589-3">(</span><span·class="ss">'GUI'</span><span·class="p"·data-group-id="8038973589-3">)</span><span·class="p">.</span><span·class="w"> |
| 267 | </span><span·class="p"·data-group-id="3 | 267 | </span><span·class="p"·data-group-id="8038973589-4">[</span><span·class="ss">'Action'</span><span·class="p">,</span><span·class="ss">'Button'</span><span·class="p">,</span><span·class="ss">'Status'</span><span·class="p"·data-group-id="8038973589-4">]</span><span·class="gp·unselectable"> |
| 268 | 3>·</span><span·class="n">ButtonMsg</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 268 | 3>·</span><span·class="n">ButtonMsg</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-5">{</span><span·class="ss">number</span><span·class="o">=</span><span·class="mi">123</span><span·class="p">,</span><span·class="ss">on</span><span·class="o">=</span><span·class="ss">true</span><span·class="p"·data-group-id="8038973589-5">}</span><span·class="p">.</span><span·class="w"> |
| 269 | </span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 269 | </span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-6">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">123</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·c[·...·truncated·by·diffoscope;·len:·86,·SHA:·998582fdc0cc1f69e793ea467509e77a3a23f8e2888d20f09f708d7b7b0b11ce·...·]-6">}</span><span·class="gp·unselectable"> |
| 270 | 4>·</span><span·class="n">ButtonBytes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">encode</span><span·class="p"·data-group-id="3 | 270 | 4>·</span><span·class="n">ButtonBytes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">encode</span><span·class="p"·data-group-id="8038973589-7">(</span><span·class="ss">'Button'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ButtonMsg</span><span·class="p"·data-group-id="8038973589-7">)</span><span·class="p">.</span><span·class="w"> |
| 271 | </span><span·class="p"·data-group-id="3 | 271 | </span><span·class="p"·data-group-id="8038973589-8"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">123</span><[·...·truncated·by·diffoscope;·len:·191,·SHA:·f2b8f76837061622cd0cc9a9a35dbfc11cb0bc2239b64b0dc0010ca88e6d3c7b·...·]-8">>></span><span·class="gp·unselectable"> |
| 272 | 5>·</span><span·class="n">ExclusiveMsgButton</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_Button_exclusive</span><span·class="p"·data-group-id="3 | 272 | 5>·</span><span·class="n">ExclusiveMsgButton</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_Button_exclusive</span><span·class="p"·data-group-id="8038973589-9">(</span><span·class="n">ButtonBytes</span><span·class="p"·data-group-id="8038973589-9">)</span><span·class="p">.</span><span·class="w"> |
| 273 | </span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 273 | </span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-10">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8038973589-11">{</span><span·class="ss">'Button_number'</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·284,·SHA:·5a65367e3986ba0056594241db222ca04941f836156495a6d5a135d6a0ecc467·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 274 | ··········</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="3 | 274 | ··········</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="8038973589-10">}</span><span·class="gp·unselectable"> |
| 275 | 6>·</span><span·class="p"·data-group-id="3 | 275 | 6>·</span><span·class="p"·data-group-id="8038973589-13">{</span><span·class="n">UndecKey</span><span·class="p">,</span><span·class="n">UndecBytes</span><span·class="p"·data-group-id="8038973589-13">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">ExclusiveMsgButton</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p">.</span><span·class="ss">number</span><span·class="p">.</span><span·class="w"> |
| 276 | </span><span·class="p"·data-group-id="3 | 276 | </span><span·class="p"·data-group-id="8038973589-14">{</span><span·class="ss">'Button_number'</span><span·class="p">,</span><span·class="p"·data-group-id="8038973589-15"><<</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·128,·SHA:·c0a7abb9cd505765f3796bcd436a0929538da93179b50f9d12be4116b14b4a99·...·]-14">}</span><span·class="gp·unselectable"> |
| 277 | 7>·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_part</span><span·class="p"·data-group-id="3 | 277 | 7>·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_part</span><span·class="p"·data-group-id="8038973589-16">(</span><span·class="n">UndecKey</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UndecBytes</span><span·class="p"·data-group-id="8038973589-16">)</span><span·class="p">.</span><span·class="w"> |
| 278 | </span><span·class="mi">123</span><span·class="gp·unselectable"> | 278 | </span><span·class="mi">123</span><span·class="gp·unselectable"> |
| 279 | 8>·</span><span·class="n">WindowMsg</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 279 | 8>·</span><span·class="n">WindowMsg</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 280 | </span><span·class="p"·data-group-id="3 | 280 | </span><span·class="p"·data-group-id="8038973589-17">{</span><span·class="ss">status</span><span·class="p">,</span><span·class="p"·data-group-id="8038973589-18">{</span><span·class="ss">'Status'</span><span·class="p">,</span><span·class="mi">35</span><span·class="p">,</span><span·class="w"> |
| 281 | ···</span><span·class="p"·data-group-id="3 | 281 | ···</span><span·class="p"·data-group-id="8038973589-19">[</span><span·class="p"·data-group-id="8038973589-20">{</span><span·class="ss">'Button'</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="ss">true</span><span·class="p"·data-group-id="8038973[·...·truncated·by·diffoscope;·len:·3,·SHA:·fbe697429f16141bc71e3b91f3823641c8dd258dd58bf076241514754954cb8c·...·]-20">}</span><span·class="p">,</span><span·class="w"> |
| 282 | ····</span><span·class="p"·data-group-id="3 | 282 | ····</span><span·class="p"·data-group-id="8038973589-21">{</span><span·class="ss">'Button'</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">false</span><span·class="p"·data-group-id="8038973589-21">}</span><span·class="p">,</span><span·class="w"> |
| 283 | ····</span><span·class="p"·data-group-id="3 | 283 | ····</span><span·class="p"·data-group-id="8038973589-22">{</span><span·class="ss">'Button'</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="ss">true</span><span·class="p"·data-group-id="8038973589-22">}</span><span·class="p">,</span><span·class="w"> |
| 284 | ····</span><span·class="p"·data-group-id="3 | 284 | ····</span><span·class="p"·data-group-id="8038973589-23">{</span><span·class="ss">'Button'</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="ss">true</span><span·class="p"·data-group-id="8038973589-23">}</span><span·class="p">,</span><span·class="w"> |
| 285 | ····</span><span·class="p"·data-group-id="3 | 285 | ····</span><span·class="p"·data-group-id="8038973589-24">{</span><span·class="ss">'Button'</span><span·class="p">,</span><span·class="mi">7</span><span·class="p">,</span><span·class="ss">false</span><span·class="p"·data-group-id="8038973589-24">}</span><span·class="p"·data-group-id="803897[·...·truncated·by·diffoscope;·len:·4,·SHA:·eed67fb12c02e975f451409d05096f84703948b896945aac938eb172d56b74e4·...·]-19">]</span><span·class="p">,</span><span·class="w"> |
| 286 | ···</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 286 | ···</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 287 | ···</span><span·class="p"·data-group-id="3 | 287 | ···</span><span·class="p"·data-group-id="8038973589-25">{</span><span·class="ss">possibleActions</span><span·class="p">,</span><span·class="p"·data-group-id="8038973589-26">[</span><span·class="p"·data-group-id="8038973589-27">{</span><span·class="ss">'Action'</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·559,·SHA:·8e8581743c833e0bdcf27b37aeccb1b9e8074b1347601c848c844eef953d6086·...·]-17">}</span><span·class="p">.</span><span·class="w"> |
| 288 | </span><span·class="p"·data-group-id="3 | 288 | </span><span·class="p"·data-group-id="8038973589-29">{</span><span·class="ss">status</span><span·class="p">,</span><span·class="o">#</span><span·class="ss">'Status'</span><span·class="p"·data-group-id="8038973589-30">{</span><span·class="ss">state</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">35</span><span·class="p">,</span><span·class="w"> |
| 289 | ········</span><span·class="ss">buttonList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3 | 289 | ········</span><span·class="ss">buttonList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8038973589-31">[</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-32">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·203,·SHA:·0cd3b67bbed1a454236bbae000bf4a58603195d56fb8e8ae8bcc1f0fd90b4ccb·...·]-32">}</span><span·class="p">,</span><span·class="w"> |
| 290 | ······················</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 290 | ······················</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-33">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·86,·SHA:·0a070445a26953b0baf081b76347cf71fdbe6c4570129331c356ca9b51657ea9·...·]-33">}</span><span·class="p">,</span><span·class="w"> |
| 291 | ······················</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 291 | ······················</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-34">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">5</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·85,·SHA:·919c89e62c0062f28b8b25ca50a9db55c82826487656f7478a36b19a443aa6a3·...·]-34">}</span><span·class="p">,</span><span·class="w"> |
| 292 | ······················</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 292 | ······················</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-35">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">6</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·85,·SHA:·919c89e62c0062f28b8b25ca50a9db55c82826487656f7478a36b19a443aa6a3·...·]-35">}</span><span·class="p">,</span><span·class="w"> |
| 293 | ······················</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 293 | ······················</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-36">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">7</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·140,·SHA:·e8d5b52963ba2bc518c8317c8ce1d6baa419af9f5b212aa2a875e47769a0f3a0·...·]-31">]</span><span·class="p">,</span><span·class="w"> |
| 294 | ········</span><span·class="ss">enabled</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 294 | ········</span><span·class="ss">enabled</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 295 | ········</span><span·class="ss">actions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3 | 295 | ········</span><span·class="ss">actions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8038973589-37">{</span><span·class="ss">possibleActions</span><span·class="p">,</span><span·class="p"·data-group-id="8038973589-38">[</span><span·class="o">#</span><span·class="ss">'Action'</span><span·class="p"·data-group-id="8038973589-39">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">16</span><span·class="p">,</span><span·class="w"> |
| 296 | ··············································</span><span·class="ss">handle</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 296 | ··············································</span><span·class="ss">handle</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-40">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">17</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·c[·...·truncated·by·diffoscope;·len:·356,·SHA:·f3f065c58ee7cff94d84f5614a7978cc355a4a98d31cc7f4676f1c94e19a0128·...·]-29">}</span><span·class="gp·unselectable"> |
| 297 | 9>·</span><span·class="n">WindowBytes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">encode</span><span·class="p"·data-group-id="3 | 297 | 9>·</span><span·class="n">WindowBytes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">encode</span><span·class="p"·data-group-id="8038973589-41">(</span><span·class="ss">'Window'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">WindowMsg</span><span·class="p"·data-group-id="8038973589-41">)</span><span·class="p">.</span><span·class="w"> |
| 298 | </span><span·class="p"·data-group-id="3 | 298 | </span><span·class="p"·data-group-id="8038973589-42"><<</span><span·class="mi">161</span><span·class="p">,</span><span·class="mi">65</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">35</span><span·class="p">,</span><span·class="mi">161</span><span·class="p">,</span><span·class="mi">40</span><span·class="p">,</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="w"> |
| 299 | ··</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3 | 299 | ··</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="8038973589-42">>></span><span·class="gp·unselectable"> |
| 300 | 10>·</span><span·class="p"·data-group-id="3 | 300 | 10>·</span><span·class="p"·data-group-id="8038973589-43">{</span><span·class="ss">status</span><span·class="p">,</span><span·class="o">#</span><span·class="ss">'Status'</span><span·class="p"·data-group-id="8038973589-44">{</span><span·class="ss">buttonList</span><span·class="o">=</span><sp[·...·truncated·by·diffoscope;·len:·300,·SHA:·b687d078bf803fb6c3b7781a9d88308a04d36dd20f215640690f1de791de633a·...·]-43">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 301 | </span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_Window_exclusive</span><span·class="p"·data-group-id="3 | 301 | </span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_Window_exclusive</span><span·class="p"·data-group-id="8038973589-46">(</span><span·class="n">WindowBytes</span><span·class="p"·data-group-id="8038973589-46">)</span><span·class="p">.</span><span·class="w"> |
| 302 | </span><span·class="p"·data-group-id="3 | 302 | </span><span·class="p"·data-group-id="8038973589-47">{</span><span·class="ss">status</span><span·class="p">,</span><span·class="o">#</span><span·class="ss">'Status'</span><span·class="p"·data-group-id="8038973589-48">{</span><span·class="ss">state</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">35</span><span·class="p">,</span><span·class="w"> |
| 303 | ··················</span><span·class="ss">buttonList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3 | 303 | ··················</span><span·class="ss">buttonList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8038973589-49">{</span><span·class="ss">'Status_buttonList'</span><span·class="p">,</span><span·class="p"·data-group-id="8038973589-50">[</span><span·class="p"·data-group-id="8038973589-51"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 304 | ·······················································</span><span·class="mi">255</span><span·class="p"·data-group-id="3 | 304 | ·······················································</span><span·class="mi">255</span><span·class="p"·data-group-id="8038973589-51">>></span><span·class="p">,</span><span·class="w"> |
| 305 | ·····················································</span><span·class="p"·data-group-id="3 | 305 | ·····················································</span><span·class="p"·data-group-id="8038973589-52"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">4</span><s[·...·truncated·by·diffoscope;·len:·188,·SHA:·6d9daf1641ffd44acbb4de2508283740158cb4a699935e78d213fc545e3939af·...·]-52">>></span><span·class="p">,</span><span·class="w"> |
| 306 | ·····················································</span><span·class="p"·data-group-id="3 | 306 | ·····················································</span><span·class="p"·data-group-id="8038973589-53"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">5</span><s[·...·truncated·by·diffoscope;·len:·190,·SHA:·4d73ac4f710173a365d0d7cef11eac01319f7eabf399ee0655ab7960aa3c8fa3·...·]-53">>></span><span·class="p">,</span><span·class="w"> |
| 307 | ·····················································</span><span·class="p"·data-group-id="3 | 307 | ·····················································</span><span·class="p"·data-group-id="8038973589-54"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">6</span><s[·...·truncated·by·diffoscope;·len:·190,·SHA:·4d73ac4f710173a365d0d7cef11eac01319f7eabf399ee0655ab7960aa3c8fa3·...·]-54">>></span><span·class="p">,</span><span·class="w"> |
| 308 | ·····················································</span><span·class="p"·data-group-id="3 | 308 | ·····················································</span><span·class="p"·data-group-id="8038973589-55"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">7</span><s[·...·truncated·by·diffoscope;·len:·303,·SHA:·7be07b99d4c9bbc397c4fc5de47b75648d419c9f31b4a45f3f7cdad61594d87f·...·]-49">}</span><span·class="p">,</span><span·class="w"> |
| 309 | ··················</span><span·class="ss">enabled</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 309 | ··················</span><span·class="ss">enabled</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 310 | ··················</span><span·class="ss">actions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3 | 310 | ··················</span><span·class="ss">actions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8038973589-56">{</span><span·class="ss">'Status_actions'</span><span·class="p">,</span><span·class="p"·data-group-id="8038973589-57"><<</span><span·class="mi">163</span><span·class="p">,</span><span·class="mi">15</span><span·class="p">,</span><span·class="mi">160</span><span·class="p">,</span><span·class="mi">13</span><span·class="p">,</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">11</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="w"> |
| 311 | ················································</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">161</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">17</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="w"> | 311 | ················································</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">161</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">17</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="w"> |
| 312 | ················································</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">255</span><span·class="p"·data-group-id="3 | 312 | ················································</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">255</span><span·class="p"·data-group-id="8038973589-57">>></span><span·class="p"·data-group-id="8038973589-56">}</span><span·class="p"·data-group-id="8038973589-48">}</span><span·class="p"·data-group-id="8038973589-47">}</span><span·class="gp·unselectable"> |
| 313 | 11>·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_part</span><span·class="p"·data-group-id="3 | 313 | 11>·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_part</span><span·class="p"·data-group-id="8038973589-58">(</span><span·class="n">UndecWindowKey</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UndecWindowParts</span><span·class="p"·data-group-id="8038973589-58">)</span><span·class="p">.</span><span·class="w"> |
| 314 | </span><span·class="p"·data-group-id="3 | 314 | </span><span·class="p"·data-group-id="8038973589-59">[</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-60">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·203,·SHA:·0cd3b67bbed1a454236bbae000bf4a58603195d56fb8e8ae8bcc1f0fd90b4ccb·...·]-60">}</span><span·class="p">,</span><span·class="w"> |
| 315 | ·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 315 | ·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-61">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·86,·SHA:·0a070445a26953b0baf081b76347cf71fdbe6c4570129331c356ca9b51657ea9·...·]-61">}</span><span·class="p">,</span><span·class="w"> |
| 316 | ·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 316 | ·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-62">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">5</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·85,·SHA:·919c89e62c0062f28b8b25ca50a9db55c82826487656f7478a36b19a443aa6a3·...·]-62">}</span><span·class="p">,</span><span·class="w"> |
| 317 | ·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 317 | ·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-63">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">6</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·85,·SHA:·919c89e62c0062f28b8b25ca50a9db55c82826487656f7478a36b19a443aa6a3·...·]-63">}</span><span·class="p">,</span><span·class="w"> |
| 318 | ·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 318 | ·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-64">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">7</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·140,·SHA:·9b3140aa0e91912f547038e4ff3312adf8fe7ee02be6d1a84743bc60414c1020·...·]-59">]</span><span·class="gp·unselectable"> |
| 319 | 12>·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_part</span><span·class="p"·data-group-id="3 | 319 | 12>·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_part</span><span·class="p"·data-group-id="8038973589-65">(</span><span·class="n">UndecWindowKey</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">hd</span><span·class="p"·data-group-id="8038973589-66">(</span><span·class="n">UndecWindowParts</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·66,·SHA:·8c0d684d4486aae84c74ebc352caf5e13a88161257c0327e198262265f9d8b08·...·]-65">)</span><span·class="p">.</span><span·class="w"> |
| 320 | </span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 320 | </span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-67">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">3</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·85,·SHA:·919c89e62c0062f28b8b25ca50a9db55c82826487656f7478a36b19a443aa6a3·...·]-67">}</span><span·class="gp·unselectable"> |
| 321 | 13>·</span><span·class="p"·data-group-id="3 | 321 | 13>·</span><span·class="p"·data-group-id="8038973589-68">{</span><span·class="ss">status</span><span·class="p">,</span><span·class="o">#</span><span·class="ss">'Status'</span><span·class="p"·data-group-id="8038973589-69">{</span><span·class="ss">actions</span><span·class="o">=</span><span·[·...·truncated·by·diffoscope;·len:·518,·SHA:·56a5412542f70554954b082457e9ef10d832dcf3a3c8c315dbc53cdedf9069fb·...·]-71">)</span><span·class="p">.</span><span·class="w"> |
| 322 | </span><span·class="p"·data-group-id="3 | 322 | </span><span·class="p"·data-group-id="8038973589-72">{</span><span·class="ss">status</span><span·class="p">,</span><span·class="o">#</span><span·class="ss">'Status'</span><span·class="p"·data-group-id="8038973589-73">{</span><span·class="ss">state</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">35</span><span·class="p">,</span><span·class="w"> |
| 323 | ··················</span><span·class="ss">buttonList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3 | 323 | ··················</span><span·class="ss">buttonList</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8038973589-74">{</span><span·class="ss">'Status_buttonList'</span><span·class="p">,</span><span·class="p"·data-group-id="8038973589-75">[</span><span·class="p"·data-group-id="8038973589-76"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 324 | ·······················································</span><span·class="mi">255</span><span·class="p"·data-group-id="3 | 324 | ·······················································</span><span·class="mi">255</span><span·class="p"·data-group-id="8038973589-76">>></span><span·class="p">,</span><span·class="w"> |
| 325 | ·····················································</span><span·class="p"·data-group-id="3 | 325 | ·····················································</span><span·class="p"·data-group-id="8038973589-77"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">4</span><s[·...·truncated·by·diffoscope;·len:·188,·SHA:·6d9daf1641ffd44acbb4de2508283740158cb4a699935e78d213fc545e3939af·...·]-77">>></span><span·class="p">,</span><span·class="w"> |
| 326 | ·····················································</span><span·class="p"·data-group-id="3 | 326 | ·····················································</span><span·class="p"·data-group-id="8038973589-78"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">5</span><s[·...·truncated·by·diffoscope;·len:·190,·SHA:·4d73ac4f710173a365d0d7cef11eac01319f7eabf399ee0655ab7960aa3c8fa3·...·]-78">>></span><span·class="p">,</span><span·class="w"> |
| 327 | ·····················································</span><span·class="p"·data-group-id="3 | 327 | ·····················································</span><span·class="p"·data-group-id="8038973589-79"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">6</span><s[·...·truncated·by·diffoscope;·len:·190,·SHA:·4d73ac4f710173a365d0d7cef11eac01319f7eabf399ee0655ab7960aa3c8fa3·...·]-79">>></span><span·class="p">,</span><span·class="w"> |
| 328 | ·····················································</span><span·class="p"·data-group-id="3 | 328 | ·····················································</span><span·class="p"·data-group-id="8038973589-80"><<</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">7</span><s[·...·truncated·by·diffoscope;·len:·303,·SHA:·8a8c6c0874d98e3e502ccad94a3e3314519fff12a8957f40b66812596b0ca883·...·]-74">}</span><span·class="p">,</span><span·class="w"> |
| 329 | ··················</span><span·class="ss">enabled</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 329 | ··················</span><span·class="ss">enabled</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 330 | ··················</span><span·class="ss">actions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3 | 330 | ··················</span><span·class="ss">actions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8038973589-81">{</span><span·class="ss">'Status_actions'</span><span·class="p">,</span><span·class="p"·data-group-id="8038973589-82"><<</span><span·class="mi">163</span><span·class="p">,</span><span·class="mi">15</span><span·class="p">,</span><span·class="mi">160</span><span·class="p">,</span><span·class="mi">13</span><span·class="p">,</span><span·class="mi">48</span><span·class="p">,</span><span·class="mi">11</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="w"> |
| 331 | ················································</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">161</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">17</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="w"> | 331 | ················································</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">161</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">17</span><span·class="p">,</span><span·class="mi">129</span><span·class="p">,</span><span·class="w"> |
| 332 | ················································</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">255</span><span·class="p"·data-group-id="3 | 332 | ················································</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">255</span><span·class="p"·data-group-id="8038973589-82">>></span><span·class="p"·data-group-id="8038973589-81">}</span><span·class="p"·data-group-id="8038973589-73">}</span><span·class="p"·data-group-id="8038973589-72">}</span><span·class="gp·unselectable"> |
| 333 | 14>·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_part</span><span·class="p"·data-group-id="3 | 333 | 14>·</span><span·class="nc">'GUI'</span><span·class="p">:</span><span·class="nf">decode_part</span><span·class="p"·data-group-id="8038973589-83">(</span><span·class="n">ChoiceKey</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ChoiceUndec</span><span·class="p"·data-group-id="8038973589-83">)</span><span·class="p">.</span><span·class="w"> |
| 334 | </span><span·class="p"·data-group-id="3 | 334 | </span><span·class="p"·data-group-id="8038973589-84">{</span><span·class="ss">possibleActions</span><span·class="p">,</span><span·class="p"·data-group-id="8038973589-85">[</span><span·class="o">#</span><span·class="ss">'Action'</span><span·class="p"·data-group-id="8038973589-86">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">16</span><span·class="p">,</span><span·class="w"> |
| 335 | ····························</span><span·class="ss">handle</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="3 | 335 | ····························</span><span·class="ss">handle</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'Button'</span><span·class="p"·data-group-id="8038973589-87">{</span><span·class="ss">number</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">17</span><span·class="p">,</span><span·class="ss">on</span><span·class="w">·</span><span·class="o">=</span><span·c[·...·truncated·by·diffoscope;·len:·248,·SHA:·ab994c531c9fceaab11564c0abdba59ee7b6f7811d70760cbe82fd162f02fc12·...·]-84">}</span></code></pre><h2·id="selective-decode"·class="section-heading"> |
| 336 | ··<a·href="#selective-decode"·class="hover-link"> | 336 | ··<a·href="#selective-decode"·class="hover-link"> |
| 337 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 337 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
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| Offset 481, 17 lines modified | Offset 481, 17 lines modified | ||
| 481 | <p>Performs·a·test·of·encode·and·decode·of·types·in·<code·class="inline">Module</code>.</p><p>The·generated·functions·are·called·by·this·function.·This·function·is | 481 | <p>Performs·a·test·of·encode·and·decode·of·types·in·<code·class="inline">Module</code>.</p><p>The·generated·functions·are·called·by·this·function.·This·function·is |
| 482 | useful·for·testing·to·ensure·that·the·generated·encode·and·decode | 482 | useful·for·testing·to·ensure·that·the·generated·encode·and·decode |
| 483 | functions·as·well·as·the·general·runtime·support·work·as·expected.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Currently,·the·<code·class="inline">test</code>·functions·have·many·limitations.·Essentially,·they·will | 483 | functions·as·well·as·the·general·runtime·support·work·as·expected.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Currently,·the·<code·class="inline">test</code>·functions·have·many·limitations.·Essentially,·they·will |
| 484 | mostly·work·for·old·specifications·based·on·the·1997·standard·for·ASN.1,·but | 484 | mostly·work·for·old·specifications·based·on·the·1997·standard·for·ASN.1,·but |
| 485 | not·for·most·modern-style·applications.·Another·limitation·is·that·the·<code·class="inline">test</code> | 485 | not·for·most·modern-style·applications.·Another·limitation·is·that·the·<code·class="inline">test</code> |
| 486 | functions·may·not·work·if·options·that·change·code·generations·strategies·such | 486 | functions·may·not·work·if·options·that·change·code·generations·strategies·such |
| 487 | as·the·options·<code·class="inline">macro_name_prefix</code>·and·<code·class="inline">record_name_prefix</code>·have·been·used.</p></section><ul><li><a·href="#test/1"><code·class="inline">test/1</code></a>·iterates·over·all·types·in·<code·class="inline">Module</code>.</li><li><a·href="#test/2"><code·class="inline">test/2</code></a>·tests·type·<code·class="inline">Type</code>·with·a·random·value.</li><li><a·href="#test/3"><code·class="inline">test/3</code></a>·tests·type·<code·class="inline">Type</code>·with·<code·class="inline">Value</code>.</li></ul><p>Schematically,·the·following·occurs·for·each·type·in·the·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 487 | as·the·options·<code·class="inline">macro_name_prefix</code>·and·<code·class="inline">record_name_prefix</code>·have·been·used.</p></section><ul><li><a·href="#test/1"><code·class="inline">test/1</code></a>·iterates·over·all·types·in·<code·class="inline">Module</code>.</li><li><a·href="#test/2"><code·class="inline">test/2</code></a>·tests·type·<code·class="inline">Type</code>·with·a·random·value.</li><li><a·href="#test/3"><code·class="inline">test/3</code></a>·tests·type·<code·class="inline">Type</code>·with·<code·class="inline">Value</code>.</li></ul><p>Schematically,·the·following·occurs·for·each·type·in·the·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5537207014-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Value</span><span·class="p"·data-group-id="5537207014-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·274,·SHA:·d64e58dfa34c14872c024bdf3901c60b7d94bc404c2f53c090ba8e3f19ba8aa8·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 488 | </span><span·class="p"·data-group-id=" | 488 | </span><span·class="p"·data-group-id="5537207014-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bytes</span><span·class="p"·data-group-id="5537207014-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·273,·SHA:·8f9c6c088638b09e0701f45148c18384d99dab66d09ec7ede5059ae0aca638b4·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 489 | </span><span·class="p"·data-group-id=" | 489 | </span><span·class="p"·data-group-id="5537207014-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Value</span><span·class="p"·data-group-id="5537207014-5">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·273,·SHA:·22cb8bc709765c651d681c136926541b34db457c985bb614c6c503ce9175ec7f·...·]-6">)</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">test</code>·functions·use·the·<code·class="inline">*.asn1db</code>·files·for·all·included·modules.·If·they |
| 490 | are·located·in·a·different·directory·than·the·current·working·directory,·use·the | 490 | are·located·in·a·different·directory·than·the·current·working·directory,·use·the |
| 491 | <code·class="inline">include</code>·option·to·add·paths.·This·is·only·needed·when·automatically·generating | 491 | <code·class="inline">include</code>·option·to·add·paths.·This·is·only·needed·when·automatically·generating |
| 492 | values.·For·static·values·using·<code·class="inline">Value</code>·no·options·are·needed.</p> | 492 | values.·For·static·values·using·<code·class="inline">Value</code>·no·options·are·needed.</p> |
| 493 | ··</section> | 493 | ··</section> |
| 494 | </section> | 494 | </section> |
| 495 | <section·class="detail"·id="value/2"> | 495 | <section·class="detail"·id="value/2"> |
| Offset 548, 15 lines modified | Offset 548, 15 lines modified | ||
| 548 | ······<p·class="built-using"> | 548 | ······<p·class="built-using"> |
| 549 | ········Built·using | 549 | ········Built·using |
| 550 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 550 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 551 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 551 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 552 | ······</p> | 552 | ······</p> |
| 553 | <p>Copyright·©·1996-202 | 553 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 554 | ····</footer> | 554 | ····</footer> |
| 555 | ··</div> | 555 | ··</div> |
| 556 | </main> | 556 | </main> |
| 557 | </div> | 557 | </div> |
| 558 | <script> | 558 | <script> |
| 559 | ··function·mermaidLoaded()·{ | 559 | ··function·mermaidLoaded()·{ |
| 560 | ····mermaid.initialize({ | 560 | ····mermaid.initialize({ |
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| 1565 | ······<p·class="built-using"> | 1565 | ······<p·class="built-using"> |
| 1566 | ········Built·using | 1566 | ········Built·using |
| 1567 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1567 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1568 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1568 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1569 | ······</p> | 1569 | ······</p> |
| 1570 | <p>Copyright·©·1996-202 | 1570 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1571 | ····</footer> | 1571 | ····</footer> |
| 1572 | ··</div> | 1572 | ··</div> |
| 1573 | </main> | 1573 | </main> |
| 1574 | </div> | 1574 | </div> |
| 1575 | <script> | 1575 | <script> |
| 1576 | ··function·mermaidLoaded()·{ | 1576 | ··function·mermaidLoaded()·{ |
| 1577 | ····mermaid.initialize({ | 1577 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 311 | ······<p·class="built-using"> | 311 | ······<p·class="built-using"> |
| 312 | ········Built·using | 312 | ········Built·using |
| 313 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 313 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 314 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 314 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 315 | ······</p> | 315 | ······</p> |
| 316 | <p>Copyright·©·1996-202 | 316 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 317 | ····</footer> | 317 | ····</footer> |
| 318 | ··</div> | 318 | ··</div> |
| 319 | </main> | 319 | </main> |
| 320 | </div> | 320 | </div> |
| 321 | <script> | 321 | <script> |
| 322 | ··function·mermaidLoaded()·{ | 322 | ··function·mermaidLoaded()·{ |
| 323 | ····mermaid.initialize({ | 323 | ····mermaid.initialize({ |
| Offset 211, 23 lines modified | Offset 211, 23 lines modified | ||
| 211 | <a·href="write_test_chapter.html#intro">Writing·Test·Suites</a>.</p><p>A·test·case·is·considered·successful·if·it·returns·to·the·caller,·no·matter·what | 211 | <a·href="write_test_chapter.html#intro">Writing·Test·Suites</a>.</p><p>A·test·case·is·considered·successful·if·it·returns·to·the·caller,·no·matter·what |
| 212 | the·returned·value·is.·However,·a·few·return·values·have·special·meaning·as | 212 | the·returned·value·is.·However,·a·few·return·values·have·special·meaning·as |
| 213 | follows:</p><ul><li><code·class="inline">{skip,Reason}</code>·indicates·that·the·test·case·is·skipped.</li><li><code·class="inline">{comment,Comment}</code>·prints·a·comment·in·the·log·for·the·test·case.</li><li><code·class="inline">{save_config,Config}</code>·makes·the·<code·class="inline">Common·Test</code>·test·server·pass·<code·class="inline">Config</code>·to | 213 | follows:</p><ul><li><code·class="inline">{skip,Reason}</code>·indicates·that·the·test·case·is·skipped.</li><li><code·class="inline">{comment,Comment}</code>·prints·a·comment·in·the·log·for·the·test·case.</li><li><code·class="inline">{save_config,Config}</code>·makes·the·<code·class="inline">Common·Test</code>·test·server·pass·<code·class="inline">Config</code>·to |
| 214 | the·next·test·case.</li></ul><p>A·test·case·failure·is·specified·as·a·runtime·error·(a·crash),·no·matter·what | 214 | the·next·test·case.</li></ul><p>A·test·case·failure·is·specified·as·a·runtime·error·(a·crash),·no·matter·what |
| 215 | the·reason·for·termination·is.·If·you·use·Erlang·pattern·matching·effectively, | 215 | the·reason·for·termination·is.·If·you·use·Erlang·pattern·matching·effectively, |
| 216 | you·can·take·advantage·of·this·property.·The·result·is·concise·and·readable·test | 216 | you·can·take·advantage·of·this·property.·The·result·is·concise·and·readable·test |
| 217 | case·functions·that·look·much·more·like·scripts·than·actual·programs.·A·simple | 217 | case·functions·that·look·much·more·like·scripts·than·actual·programs.·A·simple |
| 218 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">session</span><span·class="p"·data-group-id="0 | 218 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">session</span><span·class="p"·data-group-id="5087718186-1">(</span><span·class="p">_</span><span·class="n">Config</span><span·class="p"·data-group-id="5087718186-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 219 | ····</span><span·class="p"·data-group-id="0 | 219 | ····</span><span·class="p"·data-group-id="5087718186-2">{</span><span·class="ss">started</span><span·class="p">,</span><span·class="n">ServerId</span><span·class="p"·data-group-id="5087718186-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_ser[·...·truncated·by·diffoscope;·len:·156,·SHA:·d7f943942c0417e4de74093d53d2382cc189100276cad1d4451b01015c1cb95d·...·]6-3">)</span><span·class="p">,</span><span·class="w"> |
| 220 | ····</span><span·class="p"·data-group-id="0 | 220 | ····</span><span·class="p"·data-group-id="5087718186-4">{</span><span·class="ss">clients</span><span·class="p">,</span><span·class="p"·data-group-id="5087718186-5">[</span><span·class="p"·data-group-id="5087718186-5">]</span><span·class="p"·data-group-id="5087718186-4">}</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·268,·SHA:·70dcc99aebb2917f6e7cc6886a9cd0076dd1eca143b3c310d215fd45d569c9db·...·]6-6">)</span><span·class="p">,</span><span·class="w"> |
| 221 | ····</span><span·class="n">MyId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="0 | 221 | ····</span><span·class="n">MyId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="5087718186-7">(</span><span·class="p"·data-group-id="5087718186-7">)</span><span·class="p">,</span><span·class="w"> |
| 222 | ····</span><span·class="ss">connected</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id="0 | 222 | ····</span><span·class="ss">connected</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id="5087718186-8">(</span><span·class="n">ServerId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MyId</span><span·class="p"·data-group-id="5087718186-8">)</span><span·class="p">,</span><span·class="w"> |
| 223 | ····</span><span·class="p"·data-group-id="0 | 223 | ····</span><span·class="p"·data-group-id="5087718186-9">{</span><span·class="ss">clients</span><span·class="p">,</span><span·class="p"·data-group-id="5087718186-10">[</span><span·class="n">MyId</span><span·class="p"·data-group-id="5087718186-10">]</span><span·class="p"·data-group-id="5087718186-9"[·...·truncated·by·diffoscope;·len:·298,·SHA:·2dced54539c070ad30e07f90b22b0d172843786ddbea867c7b1602a4ae45de16·...·]6-11">)</span><span·class="p">,</span><span·class="w"> |
| 224 | ····</span><span·class="ss">disconnected</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">disconnect</span><span·class="p"·data-group-id="0 | 224 | ····</span><span·class="ss">disconnected</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">disconnect</span><span·class="p"·data-group-id="5087718186-12">(</span><span·class="n">ServerId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MyId</span><span·class="p"·data-group-id="5087718186-12">)</span><span·class="p">,</span><span·class="w"> |
| 225 | ····</span><span·class="p"·data-group-id="0 | 225 | ····</span><span·class="p"·data-group-id="5087718186-13">{</span><span·class="ss">clients</span><span·class="p">,</span><span·class="p"·data-group-id="5087718186-14">[</span><span·class="p"·data-group-id="5087718186-14">]</span><span·class="p"·data-group-id="5087718186-13">}</span><span·class="w">[·...·truncated·by·diffoscope;·len:·273,·SHA:·17b2a1a0e6b83c62462fc4900e358fb92ff989d115332ff763fbc26b93e9153b·...·]6-15">)</span><span·class="p">,</span><span·class="w"> |
| 226 | ····</span><span·class="ss">stopped</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="0 | 226 | ····</span><span·class="ss">stopped</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="5087718186-16">(</span><span·class="n">ServerId</span><span·class="p"·data-group-id="5087718186-16">)</span><span·class="p">.</span></code></pre><p>As·a·test·suite·runs,·all·information·(including·output·to·<code·class="inline">stdout</code>)·is·recorded |
| 227 | in·many·different·log·files.·A·minimum·of·information·is·displayed·in·the·user | 227 | in·many·different·log·files.·A·minimum·of·information·is·displayed·in·the·user |
| 228 | console·(only·start·and·stop·information,·plus·a·note·for·each·failed·test | 228 | console·(only·start·and·stop·information,·plus·a·note·for·each·failed·test |
| 229 | case).</p><p>The·result·from·each·test·case·is·recorded·in·a·dedicated·HTML·log·file,·created | 229 | case).</p><p>The·result·from·each·test·case·is·recorded·in·a·dedicated·HTML·log·file,·created |
| 230 | for·the·particular·test·run.·An·overview·page·displays·each·test·case | 230 | for·the·particular·test·run.·An·overview·page·displays·each·test·case |
| 231 | represented·by·a·table·row·showing·total·execution·time,·if·the·case·was | 231 | represented·by·a·table·row·showing·total·execution·time,·if·the·case·was |
| 232 | successful,·failed,·or·skipped,·plus·an·optional·user·comment.·For·a·failed·test | 232 | successful,·failed,·or·skipped,·plus·an·optional·user·comment.·For·a·failed·test |
| 233 | case,·the·reason·for·termination·is·also·printed·in·the·comment·field.·The | 233 | case,·the·reason·for·termination·is·also·printed·in·the·comment·field.·The |
| Offset 299, 15 lines modified | Offset 299, 15 lines modified | ||
| 299 | ······<p·class="built-using"> | 299 | ······<p·class="built-using"> |
| 300 | ········Built·using | 300 | ········Built·using |
| 301 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 301 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 302 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 302 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 303 | ······</p> | 303 | ······</p> |
| 304 | <p>Copyright·©·1996-202 | 304 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 305 | ····</footer> | 305 | ····</footer> |
| 306 | ··</div> | 306 | ··</div> |
| 307 | </main> | 307 | </main> |
| 308 | </div> | 308 | </div> |
| 309 | <script> | 309 | <script> |
| 310 | ··function·mermaidLoaded()·{ | 310 | ··function·mermaidLoaded()·{ |
| 311 | ····mermaid.initialize({ | 311 | ····mermaid.initialize({ |
| Offset 179, 15 lines modified | Offset 179, 15 lines modified | ||
| 179 | ······<p·class="built-using"> | 179 | ······<p·class="built-using"> |
| 180 | ········Built·using | 180 | ········Built·using |
| 181 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 181 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 182 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 182 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 183 | ······</p> | 183 | ······</p> |
| 184 | <p>Copyright·©·1996-202 | 184 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 185 | ····</footer> | 185 | ····</footer> |
| 186 | ··</div> | 186 | ··</div> |
| 187 | </main> | 187 | </main> |
| 188 | </div> | 188 | </div> |
| 189 | <script> | 189 | <script> |
| 190 | ··function·mermaidLoaded()·{ | 190 | ··function·mermaidLoaded()·{ |
| 191 | ····mermaid.initialize({ | 191 | ····mermaid.initialize({ |
| Offset 138, 16 lines modified | Offset 138, 16 lines modified | ||
| 138 | properties·without·modifying·the·test·suites·using·the·data.·Examples·of | 138 | properties·without·modifying·the·test·suites·using·the·data.·Examples·of |
| 139 | configuration·data·follows:</p><ul><li>Addresses·to·the·test·plant·or·other·instruments</li><li>User·login·information</li><li>Names·of·files·needed·by·the·test</li><li>Names·of·programs·to·be·executed·during·the·test</li><li>Any·other·variable·needed·by·the·test</li></ul><h2·id="syntax"·class="section-heading"> | 139 | configuration·data·follows:</p><ul><li>Addresses·to·the·test·plant·or·other·instruments</li><li>User·login·information</li><li>Names·of·files·needed·by·the·test</li><li>Names·of·programs·to·be·executed·during·the·test</li><li>Any·other·variable·needed·by·the·test</li></ul><h2·id="syntax"·class="section-heading"> |
| 140 | ··<a·href="#syntax"·class="hover-link"> | 140 | ··<a·href="#syntax"·class="hover-link"> |
| 141 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 141 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 142 | ··</a> | 142 | ··</a> |
| 143 | ··<span·class="text">Syntax</span> | 143 | ··<span·class="text">Syntax</span> |
| 144 | </h2> | 144 | </h2> |
| 145 | <p>A·configuration·file·can·contain·any·number·of·elements·of·the·type:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 145 | <p>A·configuration·file·can·contain·any·number·of·elements·of·the·type:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3603771527-1">{</span><span·class="n">CfgVarName</span><span·class="p">,</span><span·class="n">Value</span><span·class="p"·data-group-id="3603771527-1">}</span><span·class="p">.</span></code></pre><p>where</p><pre><code·class="makeup·erlang"·translate="no"[·...·truncated·by·diffoscope;·len:·228,·SHA:·65c8811eefdd548ee82d4bea4071f934d1e863678fe7cb31a3f89593bb1647cb·...·]-1">)</span><span·class="w"> |
| 146 | </span><span·class="n">Value</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2 | 146 | </span><span·class="n">Value</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2168397918-2">(</span><span·class="p"·data-group-id="2168397918-2">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2168397918-3">[</span><span·class="p"·data-group-id="2168397918-4">{</span><spa[·...·truncated·by·diffoscope;·len:·175,·SHA:·24a4e732ef6939c37d3bfb10ae64c29a5630f9928cde2c34cf1a8dfd5447bcbe·...·]-3">]</span></code></pre><h2·id="requiring-and-reading-configuration-data"·class="section-heading"> |
| 147 | ··<a·href="#requiring-and-reading-configuration-data"·class="hover-link"> | 147 | ··<a·href="#requiring-and-reading-configuration-data"·class="hover-link"> |
| 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 149 | ··</a> | 149 | ··</a> |
| 150 | ··<span·class="text">Requiring·and·Reading·Configuration·Data</span> | 150 | ··<span·class="text">Requiring·and·Reading·Configuration·Data</span> |
| 151 | </h2> | 151 | </h2> |
| 152 | <p><a·href=""·id="require_config_data"></a></p><p>In·a·test·suite,·one·must·<em>require</em>·that·a·configuration·variable·(<code·class="inline">CfgVarName</code> | 152 | <p><a·href=""·id="require_config_data"></a></p><p>In·a·test·suite,·one·must·<em>require</em>·that·a·configuration·variable·(<code·class="inline">CfgVarName</code> |
| 153 | in·the·previous·definition)·exists·before·attempting·to·read·the·associated | 153 | in·the·previous·definition)·exists·before·attempting·to·read·the·associated |
| Offset 166, 21 lines modified | Offset 166, 21 lines modified | ||
| 166 | <code·class="inline">{require,AliasName,CfgVarName}</code>.·The·arguments·<code·class="inline">AliasName</code>·and·<code·class="inline">CfgVarName</code>·are | 166 | <code·class="inline">{require,AliasName,CfgVarName}</code>.·The·arguments·<code·class="inline">AliasName</code>·and·<code·class="inline">CfgVarName</code>·are |
| 167 | the·same·as·the·arguments·to·<a·href="ct.html#require/1"><code·class="inline">ct:require/1,2</code></a>.·<code·class="inline">AliasName</code> | 167 | the·same·as·the·arguments·to·<a·href="ct.html#require/1"><code·class="inline">ct:require/1,2</code></a>.·<code·class="inline">AliasName</code> |
| 168 | becomes·an·alias·for·the·configuration·variable,·and·can·be·used·as·reference·to | 168 | becomes·an·alias·for·the·configuration·variable,·and·can·be·used·as·reference·to |
| 169 | the·configuration·data·value.·The·configuration·variable·can·be·associated·with | 169 | the·configuration·data·value.·The·configuration·variable·can·be·associated·with |
| 170 | any·number·of·alias·names,·but·each·name·must·be·unique·within·the·same·test | 170 | any·number·of·alias·names,·but·each·name·must·be·unique·within·the·same·test |
| 171 | suite.·The·two·main·uses·for·alias·names·follows:</p><ul><li>To·identify·connections·(described·later).</li><li>To·help·adapt·configuration·data·to·a·test·suite·(or·test·case)·and·improve | 171 | suite.·The·two·main·uses·for·alias·names·follows:</p><ul><li>To·identify·connections·(described·later).</li><li>To·help·adapt·configuration·data·to·a·test·suite·(or·test·case)·and·improve |
| 172 | readability.</li></ul><p>To·read·the·value·of·a·configuration·variable,·use·function | 172 | readability.</li></ul><p>To·read·the·value·of·a·configuration·variable,·use·function |
| 173 | <a·href="ct.html#get_config/1"><code·class="inline">get_config/1,2,3</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="8 | 173 | <a·href="ct.html#get_config/1"><code·class="inline">get_config/1,2,3</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="8334849868-1">(</span><span·class="p"·data-group-id="8334849868-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | ····</span><span·class="p"·data-group-id="8 | 174 | ····</span><span·class="p"·data-group-id="8334849868-2">[</span><span·class="p"·data-group-id="8334849868-3">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">domain</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'CON[·...·truncated·by·diffoscope;·len:·123,·SHA:·610c8755babc3a5abc2386b2945ea7f0f35cd2947d4f6ca007a0577d92649b3d·...·]-2">]</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 175 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="nf">testcase</span><span·class="p"·data-group-id="8 | 176 | </span><span·class="nf">testcase</span><span·class="p"·data-group-id="8334849868-4">(</span><span·class="n">Config</span><span·class="p"·data-group-id="8334849868-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ····</span><span·class="n">Domain</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="8 | 177 | ····</span><span·class="n">Domain</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="8334849868-5">(</span><span·class="ss">domain</span><span·class="p"·data-group-id="8334849868-5">)</span><span·class="p">,</span><span·class="w"> |
| 178 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h2·id="using-configuration-variables-defined-in-multiple-files"·class="section-heading"> | 178 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h2·id="using-configuration-variables-defined-in-multiple-files"·class="section-heading"> |
| 179 | ··<a·href="#using-configuration-variables-defined-in-multiple-files"·class="hover-link"> | 179 | ··<a·href="#using-configuration-variables-defined-in-multiple-files"·class="hover-link"> |
| 180 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 180 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 181 | ··</a> | 181 | ··</a> |
| 182 | ··<span·class="text">Using·Configuration·Variables·Defined·in·Multiple·Files</span> | 182 | ··<span·class="text">Using·Configuration·Variables·Defined·in·Multiple·Files</span> |
| 183 | </h2> | 183 | </h2> |
| 184 | <p>If·a·configuration·variable·is·defined·in·multiple·files·and·you·want·to·access | 184 | <p>If·a·configuration·variable·is·defined·in·multiple·files·and·you·want·to·access |
| Offset 257, 19 lines modified | Offset 257, 19 lines modified | ||
| 257 | ···<ftp_host> | 257 | ···<ftp_host> |
| 258 | ·······<ftp>"targethost"</ftp> | 258 | ·······<ftp>"targethost"</ftp> |
| 259 | ·······<username>"tester"</username> | 259 | ·······<username>"tester"</username> |
| 260 | ·······<password>"letmein"</password> | 260 | ·······<password>"letmein"</password> |
| 261 | ···</ftp_host> | 261 | ···</ftp_host> |
| 262 | ···<lm_directory>"/test/loadmodules"</lm_directory> | 262 | ···<lm_directory>"/test/loadmodules"</lm_directory> |
| 263 | </config></code></pre><p>Once·read,·this·file·produces·the·same·configuration·variables·as·the·following | 263 | </config></code></pre><p>Once·read,·this·file·produces·the·same·configuration·variables·as·the·following |
| 264 | text·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 264 | text·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8297817573-1">{</span><span·class="ss">ftp_host</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8297817573-2">[</span><span·class="p"·data-group-id="8297817573-3">{</span><span·class="ss">ftp</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·89,·SHA:·d1f74e934ef5bb83e286c1dabcbacf7f1773411903c883f4f6907bdd250a83f4·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 265 | ············</span><span·class="p"·data-group-id=" | 265 | ············</span><span·class="p"·data-group-id="8297817573-4">{</span><span·class="ss">username</span><span·class="p">,</span><span·class="s">"tester"</span><span·class="p"·data-group-id="8297817573-4">}</span><span·class="p">,</span><span·class="w"> |
| 266 | ············</span><span·class="p"·data-group-id=" | 266 | ············</span><span·class="p"·data-group-id="8297817573-5">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="s">"letmein"</span><span·class="p"·data-group-id="8297817573-5">}</span><span·class="p"·data-group-id="8297817573-2">]</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·11,·SHA:·cf79a8d1b7bd743b2f503c75758f0bb30b10dd6166bc2a1e4e4e35855aeeb2d2·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 267 | </span><span·class="p"·data-group-id=" | 267 | </span><span·class="p"·data-group-id="8297817573-6">{</span><span·class="ss">lm_directory</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/test/loadmodules"</span><span·class="p"·data-group-id="8297817573-6">}</span><span·class="p">.</span></code></pre><h3·id="implement-a-user-specific-handler"·class="section-heading"> |
| 268 | ··<a·href="#implement-a-user-specific-handler"·class="hover-link"> | 268 | ··<a·href="#implement-a-user-specific-handler"·class="hover-link"> |
| 269 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 269 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 270 | ··</a> | 270 | ··</a> |
| 271 | ··<span·class="text">Implement·a·User-Specific·Handler</span> | 271 | ··<span·class="text">Implement·a·User-Specific·Handler</span> |
| 272 | </h3> | 272 | </h3> |
| 273 | <p>The·user-specific·handler·can·be·written·to·handle·special·configuration·file | 273 | <p>The·user-specific·handler·can·be·written·to·handle·special·configuration·file |
| 274 | formats.·The·parameter·can·be·either·file·names·or·configuration·strings·(the | 274 | formats.·The·parameter·can·be·either·file·names·or·configuration·strings·(the |
| Offset 280, 150 lines modified | Offset 280, 150 lines modified | ||
| 280 | specified·configuration·parameter·is·valid:</p><ul><li><code·class="inline">{ok,·{file,·FileName}}</code>·-·the·parameter·is·a·file·name·and·the·file·exists.</li><li><code·class="inline">{ok,·{config,·ConfigString}}</code>·-·the·parameter·is·a·configuration·string·and | 280 | specified·configuration·parameter·is·valid:</p><ul><li><code·class="inline">{ok,·{file,·FileName}}</code>·-·the·parameter·is·a·file·name·and·the·file·exists.</li><li><code·class="inline">{ok,·{config,·ConfigString}}</code>·-·the·parameter·is·a·configuration·string·and |
| 281 | it·is·correct.</li><li><code·class="inline">{error,·{nofile,·FileName}}</code>·-·there·is·no·file·with·the·specified·name·in | 281 | it·is·correct.</li><li><code·class="inline">{error,·{nofile,·FileName}}</code>·-·there·is·no·file·with·the·specified·name·in |
| 282 | the·current·directory.</li><li><code·class="inline">{error,·{wrong_config,·ConfigString}}</code>·-·the·configuration·string·is·wrong.</li></ul><p>The·function·<code·class="inline">Callback:read_config/1</code>·is·to·be·exported·from·the·callback·module | 282 | the·current·directory.</li><li><code·class="inline">{error,·{wrong_config,·ConfigString}}</code>·-·the·configuration·string·is·wrong.</li></ul><p>The·function·<code·class="inline">Callback:read_config/1</code>·is·to·be·exported·from·the·callback·module |
| 283 | to·read·configuration·data,·initially·before·the·tests·start,·or·as·a·result·of | 283 | to·read·configuration·data,·initially·before·the·tests·start,·or·as·a·result·of |
| 284 | data·being·reloaded·during·test·execution.·The·input·argument·is·the·same·as·for | 284 | data·being·reloaded·during·test·execution.·The·input·argument·is·the·same·as·for |
| 285 | function·<code·class="inline">check_parameter/1</code>.</p><p>The·return·value·is·to·be·either·of·the·following:</p><ul><li><code·class="inline">{ok,·Config}</code>·-·if·the·configuration·variables·are·read·successfully.</li><li><code·class="inline">{error,·{Error,·ErrorDetails}}</code>·-·if·the·callback·module·fails·to·proceed | 285 | function·<code·class="inline">check_parameter/1</code>.</p><p>The·return·value·is·to·be·either·of·the·following:</p><ul><li><code·class="inline">{ok,·Config}</code>·-·if·the·configuration·variables·are·read·successfully.</li><li><code·class="inline">{error,·{Error,·ErrorDetails}}</code>·-·if·the·callback·module·fails·to·proceed |
| 286 | with·the·specified·configuration·parameters.</li></ul><p><code·class="inline">Config</code>·is·the·proper·Erlang·key-value·list,·with·possible·key-value·sublists | 286 | with·the·specified·configuration·parameters.</li></ul><p><code·class="inline">Config</code>·is·the·proper·Erlang·key-value·list,·with·possible·key-value·sublists |
| 287 | as·values,·like·the·earlier·configuration·file·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 287 | as·values,·like·the·earlier·configuration·file·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1971136378-1">[</span><span·class="p"·data-group-id="1971136378-2">{</span><span·class="ss">ftp_host</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1971136378-3">[</span><span·class="p"·data-group-id="1971136378-4">{</[·...·truncated·by·diffoscope;·len:·823,·SHA:·79b4600c69128ed1ac432295985bb823dcc26a3c61aed5c5ae784dd1b244bf7b·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 288 | ·</span><span·class="p"·data-group-id=" | 288 | ·</span><span·class="p"·data-group-id="1971136378-7">{</span><span·class="ss">lm_directory</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/test/loadmodules"</span><span·class="p"·data-group-id="1971136378-7">}</span><span·class="p"·data-group-id="1971136378-1">]</span></code></pre><h2·id="examples-of-configuration-data-handling"·class="section-heading"> |
| 289 | ··<a·href="#examples-of-configuration-data-handling"·class="hover-link"> | 289 | ··<a·href="#examples-of-configuration-data-handling"·class="hover-link"> |
| 290 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 290 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 291 | ··</a> | 291 | ··</a> |
| 292 | ··<span·class="text">Examples·of·Configuration·Data·Handling</span> | 292 | ··<span·class="text">Examples·of·Configuration·Data·Handling</span> |
| 293 | </h2> | 293 | </h2> |
| 294 | <p>A·configuration·file·for·using·the·FTP·client·to·access·files·on·a·remote·host | 294 | <p>A·configuration·file·for·using·the·FTP·client·to·access·files·on·a·remote·host |
| 295 | can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 295 | can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9460293425-1">{</span><span·class="ss">ftp_host</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9460293425-2">[</span><span·class="p"·data-group-id="9460293425-3">{</span><span·class="ss">ftp</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·89,·SHA:·69ab421a0788666f172d5042a7d304e13287fc99c6aaea387a2323fae1aa4469·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 296 | ············</span><span·class="p"·data-group-id=" | 296 | ············</span><span·class="p"·data-group-id="9460293425-4">{</span><span·class="ss">username</span><span·class="p">,</span><span·class="s">"tester"</span><span·class="p"·data-group-id="9460293425-4">}</span><span·class="p">,</span><span·class="w"> |
| 297 | ············</span><span·class="p"·data-group-id=" | 297 | ············</span><span·class="p"·data-group-id="9460293425-5">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="s">"letmein"</span><span·class="p"·data-group-id="9460293425-5">}</span><span·class="p"·data-group-id="9460293425-2">]</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·11,·SHA:·889cb403ccccb7ab38ef9b4497b71f17605338693da5c9eb1c6d3c05332a3b24·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 298 | </span><span·class="p"·data-group-id=" | 298 | </span><span·class="p"·data-group-id="9460293425-6">{</span><span·class="ss">lm_directory</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/test/loadmodules"</span><span·class="p"·data-group-id="9460293425-6">}</span><span·class="p">.</span></code></pre><p>The·XML·version·shown·earlier·can·also·be·used,·but·it·is·to·be·explicitly |
| 299 | specified·that·the·<code·class="inline">ct_config_xml</code>·callback·module·is·to·be·used·by | 299 | specified·that·the·<code·class="inline">ct_config_xml</code>·callback·module·is·to·be·used·by |
| 300 | <code·class="inline">Common·Test</code>.</p><p>The·following·is·an·example·of·how·to·assert·that·the·configuration·data·is | 300 | <code·class="inline">Common·Test</code>.</p><p>The·following·is·an·example·of·how·to·assert·that·the·configuration·data·is |
| 301 | available·and·can·be·used·for·an·FTP·session:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id=" | 301 | available·and·can·be·used·for·an·FTP·session:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id="7221071979-1">(</span><span·class="ss">ftptest</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="7221071979-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 302 | ····</span><span·class="p"·data-group-id=" | 302 | ····</span><span·class="p"·data-group-id="7221071979-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id="7221071979-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct_ftp</span><span[·...·truncated·by·diffoscope;·len:·168,·SHA:·093de8ffab3cb09b7d524965b1716d9112e7810719393207d7e19f5cff6414dd·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 303 | ····</span><span·class="n">Config</span><span·class="p">.</span><span·class="w"> | 303 | ····</span><span·class="n">Config</span><span·class="p">.</span><span·class="w"> |
| 304 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id=" | 304 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id="7221071979-4">(</span><span·class="ss">ftptest</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Config</span><span·class="p"·data-group-id="7221071979-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 305 | ····</span><span·class="nc">ct_ftp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 305 | ····</span><span·class="nc">ct_ftp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="7221071979-5">(</span><span·class="ss">ftp</span><span·class="p"·data-group-id="7221071979-5">)</span><span·class="p">.</span><span·class="w"> |
| 306 | </span><span·class="nf">ftptest</span><span·class="p"·data-group-id=" | 306 | </span><span·class="nf">ftptest</span><span·class="p"·data-group-id="7221071979-6">(</span><span·class="p"·data-group-id="7221071979-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 307 | ····</span><span·class="p"·data-group-id=" | 307 | ····</span><span·class="p"·data-group-id="7221071979-7">[</span><span·class="p"·data-group-id="7221071979-8">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="ss">ftp</span><span·class="p">,</span><span·class="ss">ftp_host</span><span·class="p"·data-group-id="7221071979-8">}</span><span·class="p">,</span><span·class="w"> |
| 308 | ·····</span><span·class="p"·data-group-id=" | 308 | ·····</span><span·class="p"·data-group-id="7221071979-9">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="ss">lm_directory</span><span·class="p"·data-group-id="7221071979-9">}</span><span·class="p"·data-group-id="7221071979-7">]</span><span·class="p">.</span><span·class="w"> |
| 309 | </span><span·class="nf">ftptest</span><span·class="p"·data-group-id=" | 309 | </span><span·class="nf">ftptest</span><span·class="p"·data-group-id="7221071979-10">(</span><span·class="n">Config</span><span·class="p"·data-group-id="7221071979-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 310 | ····</span><span·class="n">Remote</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id=" | 310 | ····</span><span·class="n">Remote</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id="7221071979-11">(</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="7221071979-12">(</span><span·class="ss">lm_directory</span><span·class="p"·data-group-id="7221071979-12">)</span><span[·...·truncated·by·diffoscope;·len:·127,·SHA:·342c8aa9c3338452b16d0cfb9a790669647d76906e272afbd80bc4481920db59·...·]-11">)</span><span·class="p">,</span><span·class="w"> |
| 311 | ····</span><span·class="n">Local</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id=" | 311 | ····</span><span·class="n">Local</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id="7221071979-13">(</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="7221071979-14">(</span><span·class="ss">priv_dir</span><span·class="p">,</span><span·class="n">Config</span><spa[·...·truncated·by·diffoscope;·len:·184,·SHA:·5c0c49a1d9e8ff7f9833257f4b4e425cba9785ac66ce511dbe08a5b09e36c044·...·]-13">)</span><span·class="p">,</span><span·class="w"> |
| 312 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct_ftp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id=" | 312 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct_ftp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id="7221071979-15">(</span><span·class="ss">ftp</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Remote</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Local</span><span·class="p"·data-group-id="7221071979-15">)</span><span·class="p">,</span><span·class="w"> |
| 313 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>The·following·is·an·example·of·how·the·functions·in·the·previous·example·can·be | 313 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>The·following·is·an·example·of·how·the·functions·in·the·previous·example·can·be |
| 314 | rewritten·if·it·is·necessary·to·open·multiple·connections·to·the·FTP·server:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id=" | 314 | rewritten·if·it·is·necessary·to·open·multiple·connections·to·the·FTP·server:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id="0982062705-1">(</span><span·class="ss">ftptest</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="0982062705-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 315 | ····</span><span·class="p"·data-group-id=" | 315 | ····</span><span·class="p"·data-group-id="0982062705-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Handle1</span><span·class="p"·data-group-id="0982062705-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct_ftp</span[·...·truncated·by·diffoscope;·len:·178,·SHA:·619b5a0b4e4ccdc74678a98e0e80b970c82f8d492bf7b471cfc304daea621489·...·]5-3">)</span><span·class="p">,</span><span·class="w"> |
| 316 | ····</span><span·class="p"·data-group-id=" | 316 | ····</span><span·class="p"·data-group-id="0982062705-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Handle2</span><span·class="p"·data-group-id="0982062705-4">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct_ftp</span[·...·truncated·by·diffoscope;·len:·178,·SHA:·eabc7bd0611e449a28b247057b9c6d99c82d15b7d4cfa245f8da35b1866ff2eb·...·]5-5">)</span><span·class="p">,</span><span·class="w"> |
| 317 | ····</span><span·class="p"·data-group-id=" | 317 | ····</span><span·class="p"·data-group-id="0982062705-6">[</span><span·class="p"·data-group-id="0982062705-7">{</span><span·class="ss">ftp_handles</span><span·class="p">,</span><span·class="p"·data-group-id="0982062705-8">[</span><span·class="n">Handle1</span><span·class="p">,</span><span·class="n"[·...·truncated·by·diffoscope;·len:·262,·SHA:·b6b2b4f2a7df7c363c184116a3c7d87dae4cbfab6f3ff36d8ecd0821cddd87ab·...·]5-6">]</span><span·class="p">.</span><span·class="w"> |
| 318 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id=" | 318 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id="0982062705-9">(</span><span·class="ss">ftptest</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="0982062705-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 319 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foreach</span><span·class="p"·data-group-id=" | 319 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foreach</span><span·class="p"·data-group-id="0982062705-10">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="0982062705-11">(</span><span·class="n">Handle</span><span·class="p"·data-group-id="0982062705-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·[·...·truncated·by·diffoscope;·len:·213,·SHA:·8d05c75a4ea3f5e5dc45cae073c24e153919a00fcf20d2c86a7e07aea97d3c0d·...·]5-12">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 320 | ··················</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 320 | ··················</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="0982062705-13">(</span><span·class="ss">ftp_handles</span><span·class="p">,</span><span·class="n">Config</span><span·class="p"·data-group-id="0982062705-13">)</span><span·class="p"·data-group-id="0982062705-10">)</span><span·class="p">.</span><span·class="w"> |
| 321 | </span><span·class="nf">ftptest</span><span·class="p"·data-group-id=" | 321 | </span><span·class="nf">ftptest</span><span·class="p"·data-group-id="0982062705-14">(</span><span·class="p"·data-group-id="0982062705-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 322 | ····</span><span·class="p"·data-group-id=" | 322 | ····</span><span·class="p"·data-group-id="0982062705-15">[</span><span·class="p"·data-group-id="0982062705-16">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="ss">ftp_host</span><span·class="p"·data-group-id="0982062705-16">}</span><span·class="p">,</span><span·class="w"> |
| 323 | ·····</span><span·class="p"·data-group-id=" | 323 | ·····</span><span·class="p"·data-group-id="0982062705-17">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="ss">lm_directory</span><span·class="p"·data-group-id="0982062705-17">}</span><span·class="p"·data-group-id="0982062705-15">]</span><span·class="p">.</span><span·class="w"> |
| 324 | </span><span·class="nf">ftptest</span><span·class="p"·data-group-id=" | 324 | </span><span·class="nf">ftptest</span><span·class="p"·data-group-id="0982062705-18">(</span><span·class="n">Config</span><span·class="p"·data-group-id="0982062705-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 325 | ····</span><span·class="n">Remote</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id=" | 325 | ····</span><span·class="n">Remote</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id="0982062705-19">(</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="0982062705-20">(</span><span·class="ss">lm_directory</span><span·class="p"·data-group-id="0982062705-20">)</span><span[·...·truncated·by·diffoscope;·len:·126,·SHA:·acb103a2219cf87c40d662d6911a3d253af70e53d96d7b07d7b9de412ea0d4fe·...·]5-19">)</span><span·class="p">,</span><span·class="w"> |
| 326 | ····</span><span·class="n">Local</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id=" | 326 | ····</span><span·class="n">Local</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id="0982062705-21">(</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="0982062705-22">(</span><span·class="ss">priv_dir</span><span·class="p">,</span><span·class="n">Config</span><spa[·...·truncated·by·diffoscope;·len:·183,·SHA:·e15f0c629edab4411321e401cacb87feb99fc3d4b4ae0879a12d8032d2382606·...·]5-21">)</span><span·class="p">,</span><span·class="w"> |
| 327 | ····</span><span·class="p"·data-group-id=" | 327 | ····</span><span·class="p"·data-group-id="0982062705-23">[</span><span·class="n">Handle</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">MoreHandles</span><span·class="p"·data-group-id="0982062705-23">]</span><span·class="w">·</span><span·class="o">=</s[·...·truncated·by·diffoscope;·len:·300,·SHA:·cfc66028b6f2556e1889b3b5d7e085aa768a48ee52c7c2ff81727809fdc28974·...·]5-24">)</span><span·class="p">,</span><span·class="w"> |
| 328 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct_ftp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id=" | 328 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct_ftp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id="0982062705-25">(</span><span·class="n">Handle</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Remote</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Local</span><span·class="p"·data-group-id="0982062705-25">)</span><span·class="p">,</span><span·class="w"> |
| 329 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h2·id="example-of-user-specific-configuration-handler"·class="section-heading"> | 329 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h2·id="example-of-user-specific-configuration-handler"·class="section-heading"> |
| 330 | ··<a·href="#example-of-user-specific-configuration-handler"·class="hover-link"> | 330 | ··<a·href="#example-of-user-specific-configuration-handler"·class="hover-link"> |
| 331 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 331 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 332 | ··</a> | 332 | ··</a> |
| 333 | ··<span·class="text">Example·of·User-Specific·Configuration·Handler</span> | 333 | ··<span·class="text">Example·of·User-Specific·Configuration·Handler</span> |
| 334 | </h2> | 334 | </h2> |
| 335 | <p>A·simple·configuration·handling·driver,·asking·an·external·server·for | 335 | <p>A·simple·configuration·handling·driver,·asking·an·external·server·for |
| 336 | configuration·data,·can·be·implemented·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 336 | configuration·data,·can·be·implemented·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="0285280405-1">(</span><span·class="ss">config_driver</span><span·class="p"·data-group-id="0285280405-1">)</span><span·class="p">.</span><span·class="w"> |
| 337 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 337 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0285280405-2">(</span><span·class="p"·data-group-id="0285280405-3">[</span><span·class="ss">read_config</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">check_parameter</span><span·clas[·...·truncated·by·diffoscope;·len:·132,·SHA:·75be60450b0d5b7b83553fe9bb3e258f897ac9863a4c6c0f46099ab613623af3·...·]5-2">)</span><span·class="p">.</span><span·class="w"> |
| 338 | </span><span·class="nf">read_config</span><span·class="p"·data-group-id=" | 338 | </span><span·class="nf">read_config</span><span·class="p"·data-group-id="0285280405-4">(</span><span·class="n">ServerName</span><span·class="p"·data-group-id="0285280405-4">)</span><span·class="p">-></span><span·class="w"> |
| 339 | ····</span><span·class="n">ServerModule</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">list_to_atom</span><span·class="p"·data-group-id=" | 339 | ····</span><span·class="n">ServerModule</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">list_to_atom</span><span·class="p"·data-group-id="0285280405-5">(</span><span·class="n">ServerName</span><span·class="p"·data-group-id="0285280405-5">)</span><span·class="p">,</span><span·class="w"> |
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| 197 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 197 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 198 | ··</a> | 198 | ··</a> |
| 199 | ··<span·class="text">General·Config</span> | 199 | ··<span·class="text">General·Config</span> |
| 200 | </h3> | 200 | </h3> |
| 201 | <p>Here·follows·the·general·configuration·terms·that·are·allowed·in·a·cover | 201 | <p>Here·follows·the·general·configuration·terms·that·are·allowed·in·a·cover |
| 202 | specification·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·List·of·Nodes·on·which·cover·will·be·active·during·test.</span><span·class="w"> | 202 | specification·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·List·of·Nodes·on·which·cover·will·be·active·during·test.</span><span·class="w"> |
| 203 | </span><span·class="c1">%%·Nodes·=·[atom()]</span><span·class="w"> | 203 | </span><span·class="c1">%%·Nodes·=·[atom()]</span><span·class="w"> |
| 204 | </span><span·class="p"·data-group-id=" | 204 | </span><span·class="p"·data-group-id="5796715900-1">{</span><span·class="nb">nodes</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Nodes</span><span·class="p"·data-group-id="5796715900-1">}</span><span·class="p">.</span><span·class="w"> |
| 205 | </span><span·class="c1">%%·Files·with·previously·exported·cover·data·to·include·in·analysis.</span><span·class="w"> | 205 | </span><span·class="c1">%%·Files·with·previously·exported·cover·data·to·include·in·analysis.</span><span·class="w"> |
| 206 | </span><span·class="c1">%%·CoverDataFiles·=·[string()]</span><span·class="w"> | 206 | </span><span·class="c1">%%·CoverDataFiles·=·[string()]</span><span·class="w"> |
| 207 | </span><span·class="p"·data-group-id=" | 207 | </span><span·class="p"·data-group-id="5796715900-2">{</span><span·class="ss">import</span><span·class="p">,</span><span·class="w">·</span><span·class="n">CoverDataFiles</span><span·class="p"·data-group-id="5796715900-2">}</span><span·class="p">.</span><span·class="w"> |
| 208 | </span><span·class="c1">%%·Cover·data·file·to·export·from·this·session.</span><span·class="w"> | 208 | </span><span·class="c1">%%·Cover·data·file·to·export·from·this·session.</span><span·class="w"> |
| 209 | </span><span·class="c1">%%·CoverDataFile·=·string()</span><span·class="w"> | 209 | </span><span·class="c1">%%·CoverDataFile·=·string()</span><span·class="w"> |
| 210 | </span><span·class="p"·data-group-id=" | 210 | </span><span·class="p"·data-group-id="5796715900-3">{</span><span·class="ss">export</span><span·class="p">,</span><span·class="w">·</span><span·class="n">CoverDataFile</span><span·class="p"·data-group-id="5796715900-3">}</span><span·class="p">.</span><span·class="w"> |
| 211 | </span><span·class="c1">%%·Cover·analysis·level.</span><span·class="w"> | 211 | </span><span·class="c1">%%·Cover·analysis·level.</span><span·class="w"> |
| 212 | </span><span·class="c1">%%·Level·=·details·|·overview</span><span·class="w"> | 212 | </span><span·class="c1">%%·Level·=·details·|·overview</span><span·class="w"> |
| 213 | </span><span·class="p"·data-group-id=" | 213 | </span><span·class="p"·data-group-id="5796715900-4">{</span><span·class="ss">level</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Level</span><span·class="p"·data-group-id="5796715900-4">}</span><span·class="p">.</span><span·class="w"> |
| 214 | </span><span·class="c1">%%·Directories·to·include·in·cover.</span><span·class="w"> | 214 | </span><span·class="c1">%%·Directories·to·include·in·cover.</span><span·class="w"> |
| 215 | </span><span·class="c1">%%·Dirs·=·[string()]</span><span·class="w"> | 215 | </span><span·class="c1">%%·Dirs·=·[string()]</span><span·class="w"> |
| 216 | </span><span·class="p"·data-group-id=" | 216 | </span><span·class="p"·data-group-id="5796715900-5">{</span><span·class="ss">incl_dirs</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dirs</span><span·class="p"·data-group-id="5796715900-5">}</span><span·class="p">.</span><span·class="w"> |
| 217 | </span><span·class="c1">%%·Directories,·including·subdirectories,·to·include.</span><span·class="w"> | 217 | </span><span·class="c1">%%·Directories,·including·subdirectories,·to·include.</span><span·class="w"> |
| 218 | </span><span·class="p"·data-group-id=" | 218 | </span><span·class="p"·data-group-id="5796715900-6">{</span><span·class="ss">incl_dirs_r</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dirs</span><span·class="p"·data-group-id="5796715900-6">}</span><span·class="p">.</span><span·class="w"> |
| 219 | </span><span·class="c1">%%·Specific·modules·to·include·in·cover.</span><span·class="w"> | 219 | </span><span·class="c1">%%·Specific·modules·to·include·in·cover.</span><span·class="w"> |
| 220 | </span><span·class="c1">%%·Mods·=·[atom()]</span><span·class="w"> | 220 | </span><span·class="c1">%%·Mods·=·[atom()]</span><span·class="w"> |
| 221 | </span><span·class="p"·data-group-id=" | 221 | </span><span·class="p"·data-group-id="5796715900-7">{</span><span·class="ss">incl_mods</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mods</span><span·class="p"·data-group-id="5796715900-7">}</span><span·class="p">.</span><span·class="w"> |
| 222 | </span><span·class="c1">%%·Directories·to·exclude·in·cover.</span><span·class="w"> | 222 | </span><span·class="c1">%%·Directories·to·exclude·in·cover.</span><span·class="w"> |
| 223 | </span><span·class="p"·data-group-id=" | 223 | </span><span·class="p"·data-group-id="5796715900-8">{</span><span·class="ss">excl_dirs</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dirs</span><span·class="p"·data-group-id="5796715900-8">}</span><span·class="p">.</span><span·class="w"> |
| 224 | </span><span·class="c1">%%·Directories,·including·subdirectories,·to·exclude.</span><span·class="w"> | 224 | </span><span·class="c1">%%·Directories,·including·subdirectories,·to·exclude.</span><span·class="w"> |
| 225 | </span><span·class="p"·data-group-id=" | 225 | </span><span·class="p"·data-group-id="5796715900-9">{</span><span·class="ss">excl_dirs_r</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dirs</span><span·class="p"·data-group-id="5796715900-9">}</span><span·class="p">.</span><span·class="w"> |
| 226 | </span><span·class="c1">%%·Specific·modules·to·exclude·in·cover.</span><span·class="w"> | 226 | </span><span·class="c1">%%·Specific·modules·to·exclude·in·cover.</span><span·class="w"> |
| 227 | </span><span·class="p"·data-group-id=" | 227 | </span><span·class="p"·data-group-id="5796715900-10">{</span><span·class="ss">excl_mods</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mods</span><span·class="p"·data-group-id="5796715900-10">}</span><span·class="p">.</span><span·class="w"> |
| 228 | </span><span·class="c1">%%·Cross·cover·compilation</span><span·class="w"> | 228 | </span><span·class="c1">%%·Cross·cover·compilation</span><span·class="w"> |
| 229 | </span><span·class="c1">%%·Tag·=·atom(),·an·identifier·for·a·test·run</span><span·class="w"> | 229 | </span><span·class="c1">%%·Tag·=·atom(),·an·identifier·for·a·test·run</span><span·class="w"> |
| 230 | </span><span·class="c1">%%·Mod·=·[atom()],·modules·to·compile·for·accumulated·analysis</span><span·class="w"> | 230 | </span><span·class="c1">%%·Mod·=·[atom()],·modules·to·compile·for·accumulated·analysis</span><span·class="w"> |
| 231 | </span><span·class="p"·data-group-id=" | 231 | </span><span·class="p"·data-group-id="5796715900-11">{</span><span·class="ss">cross</span><span·class="p">,</span><span·class="p"·data-group-id="5796715900-12">[</span><span·class="p"·data-group-id="5796715900-13">{</span><span·class="n">Tag</span><span·class="p">,</span><span·class="n">Mods</[·...·truncated·by·diffoscope;·len:·154,·SHA:·a01880e2a5f90247b409f6d66eba5f37f36c317bd40d89bcf88a12cb46a466b0·...·]-11">}</span><span·class="p">.</span></code></pre><p>The·terms·<code·class="inline">incl_dirs_r</code>·and·<code·class="inline">excl_dirs_r</code>·tell·<code·class="inline">Common·Test</code>·to·search·the |
| 232 | specified·directories·recursively·and·include·or·exclude·any·module·found·during | 232 | specified·directories·recursively·and·include·or·exclude·any·module·found·during |
| 233 | the·search.·The·terms·<code·class="inline">incl_dirs</code>·and·<code·class="inline">excl_dirs</code>·result·in·a·non-recursive | 233 | the·search.·The·terms·<code·class="inline">incl_dirs</code>·and·<code·class="inline">excl_dirs</code>·result·in·a·non-recursive |
| 234 | search·for·modules·(that·is,·only·modules·found·in·the·specified·directories·are | 234 | search·for·modules·(that·is,·only·modules·found·in·the·specified·directories·are |
| 235 | included·or·excluded).</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Directories·containing·Erlang·modules·to·be·included·in·a·code·coverage·test | 235 | included·or·excluded).</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Directories·containing·Erlang·modules·to·be·included·in·a·code·coverage·test |
| 236 | must·exist·in·the·code·server·path.·Otherwise,·the·Cover·tool·fails·to | 236 | must·exist·in·the·code·server·path.·Otherwise,·the·Cover·tool·fails·to |
| 237 | recompile·the·modules.·It·is·not·sufficient·to·specify·these·directories·in | 237 | recompile·the·modules.·It·is·not·sufficient·to·specify·these·directories·in |
| 238 | the·cover·specification·file·for·<code·class="inline">Common·Test</code>.</p></section><h3·id="otp-application-config"·class="section-heading"> | 238 | the·cover·specification·file·for·<code·class="inline">Common·Test</code>.</p></section><h3·id="otp-application-config"·class="section-heading"> |
| 239 | ··<a·href="#otp-application-config"·class="hover-link"> | 239 | ··<a·href="#otp-application-config"·class="hover-link"> |
| 240 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 240 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 241 | ··</a> | 241 | ··</a> |
| 242 | ··<span·class="text">OTP·application·Config</span> | 242 | ··<span·class="text">OTP·application·Config</span> |
| 243 | </h3> | 243 | </h3> |
| 244 | <p>When·using·a·cover·specification·in·the·testing·of·an·OTP·application·itself, | 244 | <p>When·using·a·cover·specification·in·the·testing·of·an·OTP·application·itself, |
| 245 | there·is·a·special·incl_app·directive·that·includes·the·applications·modules·for | 245 | there·is·a·special·incl_app·directive·that·includes·the·applications·modules·for |
| 246 | the·cover·compilation.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 246 | the·cover·compilation.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1744963785-1">{</span><span·class="ss">incl_app</span><span·class="p">,</span><span·class="w">·</span><span·class="n">AppName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cover</span><span·class="w">·</span><span·class="p">:</span>[·...·truncated·by·diffoscope;·len:·224,·SHA:·6d3fa8348ff3a312c81894b49b144c3fba5187e579116451167c62a1f900df60·...·]-1">}</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>If·you·desire·to·also·use·some·other·general·cover·configuration·together·with |
| 247 | this·option·you·should·insert·the·AppName·in·between·the·option·and·its·value | 247 | this·option·you·should·insert·the·AppName·in·between·the·option·and·its·value |
| 248 | creating·a·three·tuple.</p></section><p><a·href=""·id="cross_cover"></a></p><h2·id="cross-cover-analysis"·class="section-heading"> | 248 | creating·a·three·tuple.</p></section><p><a·href=""·id="cross_cover"></a></p><h2·id="cross-cover-analysis"·class="section-heading"> |
| 249 | ··<a·href="#cross-cover-analysis"·class="hover-link"> | 249 | ··<a·href="#cross-cover-analysis"·class="hover-link"> |
| 250 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 250 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 251 | ··</a> | 251 | ··</a> |
| 252 | ··<span·class="text">Cross·Cover·Analysis</span> | 252 | ··<span·class="text">Cross·Cover·Analysis</span> |
| 253 | </h2> | 253 | </h2> |
| Offset 276, 15 lines modified | Offset 276, 15 lines modified | ||
| 276 | ··{incl_mods,[m1]}.</code></pre><p>This·gives·an·entry·for·<code·class="inline">m1</code>·also·in·the·cover·log·for·test·run·<code·class="inline">s2</code>.·The | 276 | ··{incl_mods,[m1]}.</code></pre><p>This·gives·an·entry·for·<code·class="inline">m1</code>·also·in·the·cover·log·for·test·run·<code·class="inline">s2</code>.·The |
| 277 | problem·is·that·this·only·reflects·the·coverage·by·<code·class="inline">s2</code>·tests,·not·the | 277 | problem·is·that·this·only·reflects·the·coverage·by·<code·class="inline">s2</code>·tests,·not·the |
| 278 | accumulated·result·over·<code·class="inline">s1</code>·and·<code·class="inline">s2</code>.·This·is·where·the·cross·cover·mechanism | 278 | accumulated·result·over·<code·class="inline">s1</code>·and·<code·class="inline">s2</code>.·This·is·where·the·cross·cover·mechanism |
| 279 | comes·in·handy.</p><p>If·instead·the·cover·specification·for·<code·class="inline">s2</code>·is·like·the·following:</p><pre><code·class="text">s2.cover: | 279 | comes·in·handy.</p><p>If·instead·the·cover·specification·for·<code·class="inline">s2</code>·is·like·the·following:</p><pre><code·class="text">s2.cover: |
| 280 | ··{cross,[{s1,[m1]}]}.</code></pre><p>Then·<code·class="inline">m1</code>·is·cover·compiled·in·test·run·<code·class="inline">s2</code>,·but·not·shown·in·the·coverage·log. | 280 | ··{cross,[{s1,[m1]}]}.</code></pre><p>Then·<code·class="inline">m1</code>·is·cover·compiled·in·test·run·<code·class="inline">s2</code>,·but·not·shown·in·the·coverage·log. |
| 281 | Instead,·if·<a·href="ct_cover.html#cross_cover_analyse/2"><code·class="inline">ct_cover:cross_cover_analyse/2</code></a>·is·called·after·both·<code·class="inline">s1</code>·and·<code·class="inline">s2</code> | 281 | Instead,·if·<a·href="ct_cover.html#cross_cover_analyse/2"><code·class="inline">ct_cover:cross_cover_analyse/2</code></a>·is·called·after·both·<code·class="inline">s1</code>·and·<code·class="inline">s2</code> |
| 282 | test·runs·are·completed,·the·accumulated·result·for·<code·class="inline">m1</code>·is·available·in·the | 282 | test·runs·are·completed,·the·accumulated·result·for·<code·class="inline">m1</code>·is·available·in·the |
| 283 | cross·cover·log·for·test·run·<code·class="inline">s1</code>.</p><p>The·call·to·the·analyze·function·must·be·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ct_cover</span><span·class="p">:</span><span·class="nf">cross_cover_analyse</span><span·class="p"·data-group-id=" | 283 | cross·cover·log·for·test·run·<code·class="inline">s1</code>.</p><p>The·call·to·the·analyze·function·must·be·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ct_cover</span><span·class="p">:</span><span·class="nf">cross_cover_analyse</span><span·class="p"·data-group-id="6582620537-1">(</span><span·class="n">Level</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6582620537-2">[</span><span·class="p"·data-group-id="6582620537-3">{</span><span·class="ss">s1</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·387,·SHA:·e7e52bd5a58d0d0cfb8d68aeee6069450dbac7f2769cde28484a0b41cc4b7b20·...·]-1">)</span><span·class="p">.</span></code></pre><p>Here,·<code·class="inline">S1LogDir</code>·and·<code·class="inline">S2LogDir</code>·are·the·directories·named·<code·class="inline"><TestName>.logs</code>·for |
| 284 | each·test·respectively.</p><p>Notice·the·tags·<code·class="inline">s1</code>·and·<code·class="inline">s2</code>,·which·are·used·in·the·cover·specification·file | 284 | each·test·respectively.</p><p>Notice·the·tags·<code·class="inline">s1</code>·and·<code·class="inline">s2</code>,·which·are·used·in·the·cover·specification·file |
| 285 | and·in·the·call·to·<a·href="ct_cover.html#cross_cover_analyse/2"><code·class="inline">ct_cover:cross_cover_analyse/2</code></a>.·The·purpose·of·these·is | 285 | and·in·the·call·to·<a·href="ct_cover.html#cross_cover_analyse/2"><code·class="inline">ct_cover:cross_cover_analyse/2</code></a>.·The·purpose·of·these·is |
| 286 | only·to·map·the·modules·specified·in·the·cover·specification·to·the·log | 286 | only·to·map·the·modules·specified·in·the·cover·specification·to·the·log |
| 287 | directory·specified·in·the·call·to·the·analyze·function.·The·tag·name·has·no | 287 | directory·specified·in·the·call·to·the·analyze·function.·The·tag·name·has·no |
| 288 | meaning·beyond·this.</p><h2·id="logging"·class="section-heading"> | 288 | meaning·beyond·this.</p><h2·id="logging"·class="section-heading"> |
| 289 | ··<a·href="#logging"·class="hover-link"> | 289 | ··<a·href="#logging"·class="hover-link"> |
| 290 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 290 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 349, 15 lines modified | Offset 349, 15 lines modified | ||
| 349 | ······<p·class="built-using"> | 349 | ······<p·class="built-using"> |
| 350 | ········Built·using | 350 | ········Built·using |
| 351 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 351 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 352 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 352 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 353 | ······</p> | 353 | ······</p> |
| 354 | <p>Copyright·©·1996-202 | 354 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 355 | ····</footer> | 355 | ····</footer> |
| 356 | ··</div> | 356 | ··</div> |
| 357 | </main> | 357 | </main> |
| 358 | </div> | 358 | </div> |
| 359 | <script> | 359 | <script> |
| 360 | ··function·mermaidLoaded()·{ | 360 | ··function·mermaidLoaded()·{ |
| 361 | ····mermaid.initialize({ | 361 | ····mermaid.initialize({ |
| Offset 1916, 25 lines modified | Offset 1916, 25 lines modified | ||
| 1916 | ························Opt·::·element·|·all, | 1916 | ························Opt·::·element·|·all, |
| 1917 | ························ValueOrElement·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()·|·Default.</pre> | 1917 | ························ValueOrElement·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()·|·Default.</pre> |
| 1918 | ······</div> | 1918 | ······</div> |
| 1919 | <p>Reads·configuration·data·values.</p><p>Returns·the·matching·values·or·configuration·elements,·given·a·configuration | 1919 | <p>Reads·configuration·data·values.</p><p>Returns·the·matching·values·or·configuration·elements,·given·a·configuration |
| 1920 | variable·key·or·its·associated·name·(if·one·has·been·specified·with | 1920 | variable·key·or·its·associated·name·(if·one·has·been·specified·with |
| 1921 | <a·href="#require/2"><code·class="inline">ct:require/2</code></a>·or·a·<code·class="inline">require</code>·statement).</p><p><em>Example:</em></p><p>Given·the·following·configuration·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6375608297-1">{</span><span·class="ss">unix</span><span·class="p">,</span><span·class="p"·data-group-id="6375608297-2">[</span><span·class="p"·data-group-id="6375608297-3">{</span><span·class="ss">telnet</span><span·class="p">,</span><span·class="n">IpAddr</span><span·class="p"·data-group-id="6375608297-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 1922 | ·······</span><span·class="p"·data-group-id="6375608297-4">{</span><span·class="ss">user</span><span·class="p">,</span><span·class="p"·data-group-id="6375608297-5">[</span><span·class="p"·data-group-id="6375608297-6">{</span><span·class="ss">username</span><span·class="p">,</span><span·class="n">Username</span><span·class="p"·data-group-id="6375608297-6">}</span><span·class="p">,</span><span·class="w"> | ||
| 1923 | ··············</span><span·class="p"·data-group-id="6375608297-7">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="n">Password</span><span·class="p"·data-group-id="6375608297-7">}</span><span·class="p"·data-group-id="6375608297-5">]</span><span·class="p"·data-group-id="6375608297-4">}</span><span·class="p"·data-group-id="6375608297-2">]</span><span·class="p"·data-group-id="6375608297-1">}</span><span·class="p">.</span></code></pre><p>Then:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="8194633124-1">(</span><span·class="ss">unix</span><span·class="p">,</span><span·class="n">Default</span><span·class="p"·data-group-id="8194633124-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="8194633124-2">[</span><span·class="p"·data-group-id="8194633124-3">{</span><span·class="ss">telnet</span><span·class="p">,</span><span·class="n">IpAddr</span><span·class="p"·data-group-id="8194633124-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 1924 | · | 1921 | <a·href="#require/2"><code·class="inline">ct:require/2</code></a>·or·a·<code·class="inline">require</code>·statement).</p><p><em>Example:</em></p><p>Given·the·following·configuration·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·[·...·truncated·by·diffoscope;·len:·348,·SHA:·6087bd831a3361d14488da19552d390a90e168191fc9778f65555387162c9e1e·...·]</span><span·class="w"> |
| 1922 | ·······</span><span·class="p"·data-group-id="1518949318-4">{</span><span·class="ss">user</span><span·class="p">,</span><span·class="p"·data-group-id="1518949318-5">[</span><span·class="p"·data-group-id="1518949318-6">{</span><span·class="ss">username</span><span·class="p">,</span><span·class="n">Username</span><span·class="p"·data-group-id="1518949318-6">}</span><span·class="p">,</span><span·class="w"> | ||
| 1923 | ··············</span><span·class="p"·data-group-id="1518949318-7">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="n">Password</span><span·class="p"·data-group-id="1518949318-7">}</span><span·class="p"·data-group-id="1518949318-5">]</span><span·class="p"·data-group-id="1518949318-4">}</span><span·class="p"·data-group-id="1518949318-2">]</span><span·class="p"·data-group-id="1518949318-1">}</span><span·class="p">.</span></code></pre><p>Then:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="1655058547-1">(</span><span·class="ss">unix</span><span·class="p">,</span><span·class="n">Default</span><span·class="p"·data-group-id="1655058547-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="1655058547-2">[</span><span·class="p"·data-group-id="1655058547-3">{</span><span·class="ss">telnet</span><span·class="p">,</span><span·class="n">IpAddr</span><span·class="p"·data-group-id="1655058547-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 1924 | ·</span><span·class="p"·data-group-id="1655058547-4">{</span><span·class="ss">user</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1655058547-5">[</span><span·class="p"·data-group-id="1655058547-6">{</span><span·class="ss">username</span><span·class="p">,</span><span·class="n">Username</span><span·class="p"·data-group-id="1655058547-6">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1655058547-7">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="n">Password</span><span·class="p"·data-group-id="1655058547-7">}</span><span·class="p"·data-group-id="1655058547-5">]</span><span·class="p"·data-group-id="1655058547-4">}</span><span·class="p"·data-group-id="1655058547-2">]</span><span·class="w"> | ||
| 1925 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id=" | 1925 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="1655058547-8">(</span><span·class="p"·data-group-id="1655058547-9">{</span><span·class="ss">unix</span><span·class="p">,</span><span·class="ss">telnet</span><span·class="p"·data-group-id="1655058547-9">}</span><span·class="p">,</span><span·class="n">Defaul[·...·truncated·by·diffoscope;·len:·49,·SHA:·13796c889cd2a4ec13c6f01e65e31e605029dadaf5a81b41a1fe51b8b5d79484·...·]-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">IpAddr</span><span·class="w"> |
| 1926 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id=" | 1926 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="1655058547-10">(</span><span·class="p"·data-group-id="1655058547-11">{</span><span·class="ss">unix</span><span·class="p">,</span><span·class="ss">user</span><span·class="p">,</span><span·class="ss">username</span><span·class="p"·data-group-id="1655058547-1[·...·truncated·by·diffoscope;·len:·106,·SHA:·5cc210d01b38663ef76a45a77fedae271f05806b95e6e94bef1034762871ccec·...·]-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Username</span><span·class="w"> |
| 1927 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id=" | 1927 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="1655058547-12">(</span><span·class="p"·data-group-id="1655058547-13">{</span><span·class="ss">unix</span><span·class="p">,</span><span·class="ss">ftp</span><span·class="p"·data-group-id="1655058547-13">}</span><span·class="p">,</span><span·class="n">Defaul[·...·truncated·by·diffoscope;·len:·49,·SHA:·13796c889cd2a4ec13c6f01e65e31e605029dadaf5a81b41a1fe51b8b5d79484·...·]-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Default</span><span·class="w"> |
| 1928 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id=" | 1928 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="1655058547-14">(</span><span·class="ss">unknownkey</span><span·class="p">,</span><span·class="n">Default</span><span·class="p"·data-group-id="1655058547-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Default</span></code></pre><p>If·a·configuration·variable·key·has·been·associated·with·a·name·(by |
| 1929 | <a·href="#require/2"><code·class="inline">ct:require/2</code></a>·or·a·<code·class="inline">require</code>·statement),·the·name·can·be·used | 1929 | <a·href="#require/2"><code·class="inline">ct:require/2</code></a>·or·a·<code·class="inline">require</code>·statement),·the·name·can·be·used |
| 1930 | instead·of·the·key·to·read·the·value:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">require</span><span·class="p"·data-group-id=" | 1930 | instead·of·the·key·to·read·the·value:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">require</span><span·class="p"·data-group-id="5172926991-1">(</span><span·class="ss">myuser</span><span·class="p">,</span><span·class="p"·data-group-id="5172926991-2">{</span><span·class="ss">unix</span><span·class="p">,</span><span·class="ss">user</span><span·class="p"·data-group-id="5172926991-2">}<[·...·truncated·by·diffoscope;·len:·47,·SHA:·23cc0829546594a0d414b51d7db0f69bd576e0ad84991b3280a8ec2f0f7ba63f·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 1931 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id=" | 1931 | </span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="5172926991-3">(</span><span·class="ss">myuser</span><span·class="p">,</span><span·class="n">Default</span><span·class="p"·data-group-id="5172926991-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·507,·SHA:·3ae024655d5edf4c741b42dd44d7d88ea1cf68a7f37a90ed225a9a73a04748cd·...·]-4">]</span></code></pre><p>If·a·configuration·variable·is·defined·in·multiple·files,·use·option·<code·class="inline">all</code>·to |
| 1932 | access·all·possible·values.·The·values·are·returned·in·a·list.·The·order·of·the | 1932 | access·all·possible·values.·The·values·are·returned·in·a·list.·The·order·of·the |
| 1933 | elements·corresponds·to·the·order·that·the·configuration·files·were·specified·at | 1933 | elements·corresponds·to·the·order·that·the·configuration·files·were·specified·at |
| 1934 | startup.</p><p>If·configuration·elements·(key-value·tuples)·are·to·be·returned·as·result | 1934 | startup.</p><p>If·configuration·elements·(key-value·tuples)·are·to·be·returned·as·result |
| 1935 | instead·of·values,·use·option·<code·class="inline">element</code>.·The·returned·elements·are·then·on·the | 1935 | instead·of·values,·use·option·<code·class="inline">element</code>.·The·returned·elements·are·then·on·the |
| 1936 | form·<code·class="inline">{Required,Value}</code>.</p><p>See·also·<a·href="#get_config/1"><code·class="inline">ct:get_config/1</code></a>, | 1936 | form·<code·class="inline">{Required,Value}</code>.</p><p>See·also·<a·href="#get_config/1"><code·class="inline">ct:get_config/1</code></a>, |
| 1937 | <a·href="#get_config/2"><code·class="inline">ct:get_config/2</code></a>,·<a·href="#require/1"><code·class="inline">ct:require/1</code></a>, | 1937 | <a·href="#get_config/2"><code·class="inline">ct:get_config/2</code></a>,·<a·href="#require/1"><code·class="inline">ct:require/1</code></a>, |
| 1938 | <a·href="#require/2"><code·class="inline">ct:require/2</code></a>.</p> | 1938 | <a·href="#require/2"><code·class="inline">ct:require/2</code></a>.</p> |
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| 1962 | ······<div·class="specs"> | 1962 | ······<div·class="specs"> |
| 1963 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_event_mgr_ref()·->·EvMgrRef·when·EvMgrRef·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>().</pre> | 1963 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_event_mgr_ref()·->·EvMgrRef·when·EvMgrRef·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>().</pre> |
| 1964 | ······</div> | 1964 | ······</div> |
| 1965 | <p>Gets·a·reference·to·the·<code·class="inline">Common·Test</code>·event·manager.·The·reference·can·be·used | 1965 | <p>Gets·a·reference·to·the·<code·class="inline">Common·Test</code>·event·manager.·The·reference·can·be·used |
| 1966 | to,·for·example,·add·a·user-specific·event·handler·while·tests·are·running.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id=" | 1966 | to,·for·example,·add·a·user-specific·event·handler·while·tests·are·running.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id="1337286197-1">(</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_event_mgr_ref</span><span·class="p"·data-group-id="1337286197-2">(</span><span·class="p"·data-group-id="1337286197-2">)</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·237,·SHA:·becf846d0149b1f0fe422f00f38922cfaf0b4317f1ba44640151e7ad6326656d·...·]-1">)</span></code></pre> |
| 1967 | ··</section> | 1967 | ··</section> |
| 1968 | </section> | 1968 | </section> |
| 1969 | <section·class="detail"·id="get_progname/0"> | 1969 | <section·class="detail"·id="get_progname/0"> |
| 1970 | ··<div·class="detail-header"> | 1970 | ··<div·class="detail-header"> |
| 1971 | ····<a·href="#get_progname/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1971 | ····<a·href="#get_progname/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1972 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1972 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 2235, 15 lines modified | Offset 2235, 15 lines modified | ||
| 2235 | ·····················KeyOrFile·::·{key,·Key}·|·{file,·KeyFile}, | 2235 | ·····················KeyOrFile·::·{key,·Key}·|·{file,·KeyFile}, |
| 2236 | ·····················Key·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), | 2236 | ·····················Key·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), |
| 2237 | ·····················KeyFile·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), | 2237 | ·····················KeyFile·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), |
| 2238 | ·····················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 2238 | ·····················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 2239 | ······</div> | 2239 | ······</div> |
| 2240 | <p>Installs·configuration·files·and·event·handlers.</p><p>Run·this·function·once·before·the·first·test.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">install</span><span·class="p"·data-group-id=" | 2240 | <p>Installs·configuration·files·and·event·handlers.</p><p>Run·this·function·once·before·the·first·test.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">install</span><span·class="p"·data-group-id="6424958002-1">(</span><span·class="p"·data-group-id="6424958002-2">[</span><span·class="p"·data-group-id="6424958002-3">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="p"·data-group-id="6424958002-4">[</span><span·class="s">"[·...·truncated·by·diffoscope;·len:·303,·SHA:·67acbcd3b9fb4730f5a97399f33de6e8a0df4128ac435ef8668b7d91dc6f2357·...·]-1">)</span></code></pre><p>This·function·is·automatically·run·by·program·<code·class="inline">ct_run</code>.</p> |
| 2241 | ··</section> | 2241 | ··</section> |
| 2242 | </section> | 2242 | </section> |
| 2243 | <section·class="detail"·id="listenv/1"> | 2243 | <section·class="detail"·id="listenv/1"> |
| 2244 | ··<div·class="detail-header"> | 2244 | ··<div·class="detail-header"> |
| 2245 | ····<a·href="#listenv/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 2245 | ····<a·href="#listenv/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 2246 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 2246 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 3026 | ·····················SubKey·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(), | 3026 | ·····················SubKey·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(), |
| 3027 | ·····················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 3027 | ·····················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 3028 | ······</div> | 3028 | ······</div> |
| 3029 | <p>Checks·if·the·required·configuration·is·available.·Arbitrarily·deep·tuples·can | 3029 | <p>Checks·if·the·required·configuration·is·available.·Arbitrarily·deep·tuples·can |
| 3030 | be·specified·as·<code·class="inline">Required</code>.·Only·the·last·element·of·the·tuple·can·be·a·list·of | 3030 | be·specified·as·<code·class="inline">Required</code>.·Only·the·last·element·of·the·tuple·can·be·a·list·of |
| 3031 | <code·class="inline">SubKey</code>s.</p><p><em>Example·1.</em>·Require·the·variable·<code·class="inline">myvar</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">require</span><span·class="p"·data-group-id=" | 3031 | <code·class="inline">SubKey</code>s.</p><p><em>Example·1.</em>·Require·the·variable·<code·class="inline">myvar</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">require</span><span·class="p"·data-group-id="5243313031-1">(</span><span·class="ss">myvar</span><span·class="p"·data-group-id="5243313031-1">)</span><span·class="p">.</span></code></pre><p>In·this·case·the·configuration·file·must·at·least·contain:</p><pre><code·class="makeup·erlang"·translate="no"><s[·...·truncated·by·diffoscope;·len:·3488,·SHA:·935140af0dea46e807bf3869930554299b71e7ee89a6d619c27be3603890a92b·...·]-1">}</span><span·class="p">.</span></code></pre><p>See·also·<a·href="#get_config/1"><code·class="inline">ct:get_config/1</code></a>, |
| 3032 | <a·href="#get_config/2"><code·class="inline">ct:get_config/2</code></a>,·<a·href="#get_config/3"><code·class="inline">ct:get_config/3</code></a>, | 3032 | <a·href="#get_config/2"><code·class="inline">ct:get_config/2</code></a>,·<a·href="#get_config/3"><code·class="inline">ct:get_config/3</code></a>, |
| 3033 | <a·href="#require/2"><code·class="inline">ct:require/2</code></a>.</p> | 3033 | <a·href="#require/2"><code·class="inline">ct:require/2</code></a>.</p> |
| 3034 | ··</section> | 3034 | ··</section> |
| 3035 | </section> | 3035 | </section> |
| 3036 | <section·class="detail"·id="require/2"> | 3036 | <section·class="detail"·id="require/2"> |
| 3037 | ··<div·class="detail-header"> | 3037 | ··<div·class="detail-header"> |
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| 3066 | <p>Checks·if·the·required·configuration·is·available·and·gives·it·a·name.·The | 3066 | <p>Checks·if·the·required·configuration·is·available·and·gives·it·a·name.·The |
| 3067 | semantics·for·<code·class="inline">Required</code>·is·the·same·as·in·<a·href="#require/1"><code·class="inline">ct:require/1</code></a>·except | 3067 | semantics·for·<code·class="inline">Required</code>·is·the·same·as·in·<a·href="#require/1"><code·class="inline">ct:require/1</code></a>·except |
| 3068 | that·a·list·of·<code·class="inline">SubKey</code>s·cannot·be·specified.</p><p>If·the·requested·data·is·available,·the·subentry·is·associated·with·<code·class="inline">Name</code>·so | 3068 | that·a·list·of·<code·class="inline">SubKey</code>s·cannot·be·specified.</p><p>If·the·requested·data·is·available,·the·subentry·is·associated·with·<code·class="inline">Name</code>·so |
| 3069 | that·the·value·of·the·element·can·be·read·with | 3069 | that·the·value·of·the·element·can·be·read·with |
| 3070 | <a·href="#get_config/1"><code·class="inline">ct:get_config/1,2</code></a>·provided·<code·class="inline">Name</code>·is·used·instead·of·the | 3070 | <a·href="#get_config/1"><code·class="inline">ct:get_config/1,2</code></a>·provided·<code·class="inline">Name</code>·is·used·instead·of·the |
| 3071 | whole·<code·class="inline">Required</code>·term.</p><p><em>Example:</em></p><p>Require·one·node·with·a·Telnet·connection·and·an·FTP·connection.·Name·the·node | 3071 | whole·<code·class="inline">Required</code>·term.</p><p><em>Example:</em></p><p>Require·one·node·with·a·Telnet·connection·and·an·FTP·connection.·Name·the·node |
| 3072 | <code·class="inline">a</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">require</span><span·class="p"·data-group-id="1093038729-1">(</span><span·class="ss">a</span><span·class="p">,</span><span·class="p"·data-group-id="1093038729-2">{</span><span·class="ss">machine</span><span·class="p">,</span><span·class="nb">node</span><span·class="p"·data-group-id="1093038729-2">}</span><span·class="p"·data-group-id="1093038729-1">)</span><span·class="p">.</span></code></pre><p>All·references·to·this·node·can·then·use·the·node·name.·For·example,·a·file·over | ||
| 3073 | 3072 | <code·class="inline">a</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">require</[·...·truncated·by·diffoscope;·len:·469,·SHA:·781bca196d9839b10025c1dbedd8be4764ea51303663ec816e92300d601f3233·...·] | |
| 3073 | FTP·is·fetched·like·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">ftp_get</span><span·class="p"·data-group-id="6631650109-1">(</span><span·class="ss">a</span><span·class="p">,</span><span·class="n">RemoteFile</span><span·class="p">,</span><span·class="n">LocalFile</span><span·class="p"·data-group-id="6631650109-1">)</span><span·class="p">.</span></code></pre><p>For·this·to·work,·the·configuration·file·must·at·least·contain:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7326588151-1">{</span><span·class="ss">machine</span><span·class="p">,</span><span·class="p"·data-group-id="7326588151-2">[</span><span·class="p"·data-group-id="7326588151-3">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="p"·data-group-id="7326588151-4">[</span><span·class="p"·data-group-id="7326588151-5">{</span><span·class="ss">telnet</span><span·class="p">,</span><span·class="n">IpAddr</span><span·class="p"·data-group-id="7326588151-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="7326588151-6">{</span><span·class="ss">ftp</span><span·class="p">,</span><span·class="n">IpAddr</span><span·class="p"·data-group-id="7326588151-6">}</span><span·class="p"·data-group-id="7326588151-4">]</span><span·class="p"·data-group-id="7326588151-3">}</span><span·class="p"·data-group-id="7326588151-2">]</span><span·class="p"·data-group-id="7326588151-1">}</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·behavior·of·this·function·changed·radically·in·<code·class="inline">Common·Test</code>·1.6.2.·To | ||
| 3074 | keep·some·backwards·compatibility,·it·is·still·possible·to·do: | 3074 | keep·some·backwards·compatibility,·it·is·still·possible·to·do: |
| 3075 | <code·class="inline">ct:require(a,{node,[telnet,ftp]}).</code>·This·associates·the·name·<code·class="inline">a</code>·with·the | 3075 | <code·class="inline">ct:require(a,{node,[telnet,ftp]}).</code>·This·associates·the·name·<code·class="inline">a</code>·with·the |
| 3076 | top-level·<code·class="inline">node</code>·entry.·For·this·to·work,·the·configuration·file·must·at·least | 3076 | top-level·<code·class="inline">node</code>·entry.·For·this·to·work,·the·configuration·file·must·at·least |
| 3077 | contain:·<code·class="inline">{node,[{telnet,IpAddr},{ftp,IpAddr}]}.</code></p></section><p>See·also·<a·href="#get_config/1"><code·class="inline">ct:get_config/1</code></a>, | 3077 | contain:·<code·class="inline">{node,[{telnet,IpAddr},{ftp,IpAddr}]}.</code></p></section><p>See·also·<a·href="#get_config/1"><code·class="inline">ct:get_config/1</code></a>, |
| 3078 | <a·href="#get_config/2"><code·class="inline">ct:get_config/2</code></a>,·<a·href="#get_config/3"><code·class="inline">ct:get_config/3</code></a>, | 3078 | <a·href="#get_config/2"><code·class="inline">ct:get_config/2</code></a>,·<a·href="#get_config/3"><code·class="inline">ct:get_config/3</code></a>, |
| 3079 | <a·href="#require/1"><code·class="inline">ct:require/1</code></a>.</p> | 3079 | <a·href="#require/1"><code·class="inline">ct:require/1</code></a>.</p> |
| 3080 | ··</section> | 3080 | ··</section> |
| Offset 3426, 20 lines modified | Offset 3426, 20 lines modified | ||
| 3426 | ······</div> | 3426 | ······</div> |
| 3427 | <p>Starts·<code·class="inline">Common·Test</code>·in·interactive·mode.</p><p>From·this·mode,·all·test·case·support·functions·can·be·executed·directly·from | 3427 | <p>Starts·<code·class="inline">Common·Test</code>·in·interactive·mode.</p><p>From·this·mode,·all·test·case·support·functions·can·be·executed·directly·from |
| 3428 | the·Erlang·shell.·The·interactive·mode·can·also·be·started·from·the·OS·command | 3428 | the·Erlang·shell.·The·interactive·mode·can·also·be·started·from·the·OS·command |
| 3429 | line·with·<code·class="inline">ct_run·-shell·[-config·File...]</code>.</p><p>If·any·functions·(for·example,·Telnet·or·FTP)·using·"required·configuration | 3429 | line·with·<code·class="inline">ct_run·-shell·[-config·File...]</code>.</p><p>If·any·functions·(for·example,·Telnet·or·FTP)·using·"required·configuration |
| 3430 | data"·are·to·be·called·from·the·Erlang·shell,·configuration·data·must·first·be | 3430 | data"·are·to·be·called·from·the·Erlang·shell,·configuration·data·must·first·be |
| 3431 | required·with·<a·href="#require/2"><code·class="inline">ct:require/2</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">require</span><span·class="p"·data-group-id=" | 3431 | required·with·<a·href="#require/2"><code·class="inline">ct:require/2</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">require</span><span·class="p"·data-group-id="7496628901-1">(</span><span·class="ss">unix_telnet</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">unix</span><span·class="p"·data-group-id="7496628901-1">)</span><span·class="p">.</span><span·class="w"> |
| 3432 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 3432 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 3433 | >·</span><span·class="nc">ct_telnet</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id=" | 3433 | >·</span><span·class="nc">ct_telnet</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="7496628901-2">(</span><span·class="ss">unix_telnet</span><span·class="p"·data-group-id="7496628901-2">)</span><span·class="p">.</span><span·class="w"> |
| 3434 | </span><span·class="p"·data-group-id=" | 3434 | </span><span·class="p"·data-group-id="7496628901-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.105</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="7496628901-3">}</span><span·class="gp·unselectable"> |
| 3435 | >·</span><span·class="nc">ct_telnet</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id=" | 3435 | >·</span><span·class="nc">ct_telnet</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id="7496628901-4">(</span><span·class="ss">unix_telnet</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"ls·."</span><span·class="p"·data-group-id="7496628901-4">)</span><span·class="p">.</span><span·class="w"> |
| 3436 | </span><span·class="p"·data-group-id=" | 3436 | </span><span·class="p"·data-group-id="7496628901-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="7496628901-6">[</span><span·class="s">"ls"</span><span·class="p">,</span><span·class="s">"file1··..."</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·165,·SHA:·b07c96cb3a46f917824e3ab7e363008936108b5bf51ae45492711bb9cbb87cdf·...·]-5">}</span></code></pre> |
| 3437 | ··</section> | 3437 | ··</section> |
| 3438 | </section> | 3438 | </section> |
| 3439 | <section·class="detail"·id="step/3"> | 3439 | <section·class="detail"·id="step/3"> |
| 3440 | ··<div·class="detail-header"> | 3440 | ··<div·class="detail-header"> |
| 3441 | ····<a·href="#step/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 3441 | ····<a·href="#step/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 3442 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 3442 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 3709 | ······<p·class="built-using"> | 3709 | ······<p·class="built-using"> |
| 3710 | ········Built·using | 3710 | ········Built·using |
| 3711 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3711 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3712 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3712 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3713 | ······</p> | 3713 | ······</p> |
| 3714 | <p>Copyright·©·1996-202 | 3714 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3715 | ····</footer> | 3715 | ····</footer> |
| 3716 | ··</div> | 3716 | ··</div> |
| 3717 | </main> | 3717 | </main> |
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| 307 | ······<p·class="built-using"> | 307 | ······<p·class="built-using"> |
| 308 | ········Built·using | 308 | ········Built·using |
| 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 311 | ······</p> | 311 | ······</p> |
| 312 | <p>Copyright·©·1996-202 | 312 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 313 | ····</footer> | 313 | ····</footer> |
| 314 | ··</div> | 314 | ··</div> |
| 315 | </main> | 315 | </main> |
| 316 | </div> | 316 | </div> |
| 317 | <script> | 317 | <script> |
| 318 | ··function·mermaidLoaded()·{ | 318 | ··function·mermaidLoaded()·{ |
| 319 | ····mermaid.initialize({ | 319 | ····mermaid.initialize({ |
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| 567 | ·················LocalFile·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename/0">file:filename</a>(), | 567 | ·················LocalFile·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename/0">file:filename</a>(), |
| 568 | ·················RemoteFile·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename/0">file:filename</a>(), | 568 | ·················RemoteFile·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename/0">file:filename</a>(), |
| 569 | ·················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 569 | ·················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 570 | ······</div> | 570 | ······</div> |
| 571 | <p>Opens·an·FTP·connection·and·sends·a·file·to·the·remote·host.</p><p><code·class="inline">LocalFile</code>·and·<code·class="inline">RemoteFile</code>·must·be·absolute·paths.</p><p>If·the·target·host·is·a·"special"·node,·the·FTP·address·must·be·specified·in·the | 571 | <p>Opens·an·FTP·connection·and·sends·a·file·to·the·remote·host.</p><p><code·class="inline">LocalFile</code>·and·<code·class="inline">RemoteFile</code>·must·be·absolute·paths.</p><p>If·the·target·host·is·a·"special"·node,·the·FTP·address·must·be·specified·in·the |
| 572 | configuration·file·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0182058957-1">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="p"·data-group-id="0182058957-2">[</span><span·class="p"·data-group-id="0182058957-3">{</span><span·class="ss">ftp</span><span·class="p">,</span><span·class="n">IpAddr</span><span·class="p"·data-group-id="0182058957-3">}</span><span·class="p"·data-group-id="0182058957-2">]</span><span·class="p"·data-group-id="0182058957-1">}</span><span·class="p">.</span></code></pre><p>If·the·target·host·is·something·else,·for·example,·a·UNIX·host,·the | ||
| 573 | configuration·file· | 572 | configuration·file·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2385532756-1">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="p"·data-group-id="2385532756-2">[</span><span·class="p"·data-group-id="2385[·...·truncated·by·diffoscope;·len:·364,·SHA:·3efaac9f44e7b013d417c50359e9effac19355e585b0015bc44a80d5d926564a·...·] |
| 573 | configuration·file·must·also·include·the·username·and·password·(both·strings):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3325466157-1">{</span><span·class="ss">unix</span><span·class="p">,</span><span·class="p"·data-group-id="3325466157-2">[</span><span·class="p"·data-group-id="3325466157-3">{</span><span·class="ss">ftp</span><span·class="p">,</span><span·class="n">IpAddr</span><span·class="p"·data-group-id="3325466157-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 574 | ·······</span><span·class="p"·data-group-id="3 | 574 | ·······</span><span·class="p"·data-group-id="3325466157-4">{</span><span·class="ss">username</span><span·class="p">,</span><span·class="n">Username</span><span·class="p"·data-group-id="3325466157-4">}</span><span·class="p">,</span><span·class="w"> |
| 575 | ·······</span><span·class="p"·data-group-id="3 | 575 | ·······</span><span·class="p"·data-group-id="3325466157-5">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="n">Password</span><span·class="p"·data-group-id="3325466157-5">}</span><span·class="p"·data-group-id="3325466157-2">]</span><span·class="p"·data-group-id="3325466157-1">}</span><span·class="p">.</span></code></pre><p>See·also·<a·href="ct.html#require/2"><code·class="inline">ct:require/2</code></a>.</p> |
| 576 | ··</section> | 576 | ··</section> |
| 577 | </section> | 577 | </section> |
| 578 | <section·class="detail"·id="recv/2"> | 578 | <section·class="detail"·id="recv/2"> |
| 579 | ··<div·class="detail-header"> | 579 | ··<div·class="detail-header"> |
| 580 | ····<a·href="#recv/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 580 | ····<a·href="#recv/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 581 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 581 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 742 | ······<p·class="built-using"> | 742 | ······<p·class="built-using"> |
| 743 | ········Built·using | 743 | ········Built·using |
| 744 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 744 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 745 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 745 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 746 | ······</p> | 746 | ······</p> |
| 747 | <p>Copyright·©·1996-202 | 747 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 748 | ····</footer> | 748 | ····</footer> |
| 749 | ··</div> | 749 | ··</div> |
| 750 | </main> | 750 | </main> |
| 751 | </div> | 751 | </div> |
| 752 | <script> | 752 | <script> |
| 753 | ··function·mermaidLoaded()·{ | 753 | ··function·mermaidLoaded()·{ |
| 754 | ····mermaid.initialize({ | 754 | ····mermaid.initialize({ |
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| 1359 | ······<p·class="built-using"> | 1359 | ······<p·class="built-using"> |
| 1360 | ········Built·using | 1360 | ········Built·using |
| 1361 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1361 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1362 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1362 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1363 | ······</p> | 1363 | ······</p> |
| 1364 | <p>Copyright·©·1996-202 | 1364 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1365 | ····</footer> | 1365 | ····</footer> |
| 1366 | ··</div> | 1366 | ··</div> |
| 1367 | </main> | 1367 | </main> |
| 1368 | </div> | 1368 | </div> |
| 1369 | <script> | 1369 | <script> |
| 1370 | ··function·mermaidLoaded()·{ | 1370 | ··function·mermaidLoaded()·{ |
| 1371 | ····mermaid.initialize({ | 1371 | ····mermaid.initialize({ |
| Offset 249, 20 lines modified | Offset 249, 20 lines modified | ||
| 249 | </h3> | 249 | </h3> |
| 250 | <p>In·a·CTH,·the·behavior·can·be·hooked·in·before·the·following·functions:</p><ul><li><a·href="ct_suite.html#c:init_per_suite/1"><code·class="inline">init_per_suite</code></a></li><li><a·href="ct_suite.html#c:init_per_group/2"><code·class="inline">init_per_group</code></a></li><li><a·href="ct_suite.html#c:init_per_testcase/2"><code·class="inline">init_per_testcase</code></a></li><li><a·href="ct_suite.html#c:end_per_testcase/2"><code·class="inline">end_per_testcase</code></a></li><li><a·href="ct_suite.html#c:end_per_group/2"><code·class="inline">end_per_group</code></a></li><li><a·href="ct_suite.html#c:end_per_suite/1"><code·class="inline">end_per_suite</code></a></li></ul><p>This·is·done·in·the·CTH·functions·called·<code·class="inline">pre_<name·of·function></code>.·These | 250 | <p>In·a·CTH,·the·behavior·can·be·hooked·in·before·the·following·functions:</p><ul><li><a·href="ct_suite.html#c:init_per_suite/1"><code·class="inline">init_per_suite</code></a></li><li><a·href="ct_suite.html#c:init_per_group/2"><code·class="inline">init_per_group</code></a></li><li><a·href="ct_suite.html#c:init_per_testcase/2"><code·class="inline">init_per_testcase</code></a></li><li><a·href="ct_suite.html#c:end_per_testcase/2"><code·class="inline">end_per_testcase</code></a></li><li><a·href="ct_suite.html#c:end_per_group/2"><code·class="inline">end_per_group</code></a></li><li><a·href="ct_suite.html#c:end_per_suite/1"><code·class="inline">end_per_suite</code></a></li></ul><p>This·is·done·in·the·CTH·functions·called·<code·class="inline">pre_<name·of·function></code>.·These |
| 251 | functions·take·the·arguments·<code·class="inline">SuiteName</code>,·<code·class="inline">Name</code>·(group·or·test·case·name,·if | 251 | functions·take·the·arguments·<code·class="inline">SuiteName</code>,·<code·class="inline">Name</code>·(group·or·test·case·name,·if |
| 252 | applicable),·<code·class="inline">Config</code>,·and·<code·class="inline">CTHState</code>.·The·return·value·of·the·CTH·function·is | 252 | applicable),·<code·class="inline">Config</code>,·and·<code·class="inline">CTHState</code>.·The·return·value·of·the·CTH·function·is |
| 253 | always·a·combination·of·a·result·for·the·suite/group/test·and·an·updated | 253 | always·a·combination·of·a·result·for·the·suite/group/test·and·an·updated |
| 254 | <code·class="inline">CTHState</code>.</p><p>To·let·the·test·suite·continue·on·executing,·return·the·configuration·list·that | 254 | <code·class="inline">CTHState</code>.</p><p>To·let·the·test·suite·continue·on·executing,·return·the·configuration·list·that |
| 255 | you·want·the·test·to·use·as·the·result.</p><p>All·pre·hooks,·except·<code·class="inline">pre_end_per_testcase/4</code>,·can·skip·or·fail·the·test·by | 255 | you·want·the·test·to·use·as·the·result.</p><p>All·pre·hooks,·except·<code·class="inline">pre_end_per_testcase/4</code>,·can·skip·or·fail·the·test·by |
| 256 | returning·a·tuple·with·<code·class="inline">skip</code>·or·<code·class="inline">fail</code>,·and·a·reason·as·the·result.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">pre_init_per_suite</span><span·class="p"·data-group-id=" | 256 | returning·a·tuple·with·<code·class="inline">skip</code>·or·<code·class="inline">fail</code>,·and·a·reason·as·the·result.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">pre_init_per_suite</span><span·class="p"·data-group-id="8736484197-1">(</span><span·class="n">SuiteName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p">,</span><span·class="w">·</span><span·class="n">CTHState</span><span·class="p"·data-group-id="8736484197-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 257 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id=" | 257 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id="8736484197-2">(</span><span·class="p"·data-group-id="8736484197-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 258 | ····</span><span·class="p"·data-group-id=" | 258 | ····</span><span·class="p"·data-group-id="8736484197-3">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="p">_</span><span·class="n">Reason</span><span·class="p"·data-group-id="8736484197-3">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 259 | ······</span><span·class="p"·data-group-id=" | 259 | ······</span><span·class="p"·data-group-id="8736484197-4">{</span><span·class="p"·data-group-id="8736484197-5">{</span><span·class="ss">fail</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Could·not·connect·to·DB"</span><span·class="p"·data-group-id="8736484197-5">}<[·...·truncated·by·diffoscope;·len:·125,·SHA:·2d6a011a68ced78c907b14cdd54d4542a115b018694516fecedb678120ee88a7·...·]7-4">}</span><span·class="p">;</span><span·class="w"> |
| 260 | ····</span><span·class="p"·data-group-id=" | 260 | ····</span><span·class="p"·data-group-id="8736484197-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Handle</span><span·class="p"·data-group-id="8736484197-6">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 261 | ······</span><span·class="p"·data-group-id=" | 261 | ······</span><span·class="p"·data-group-id="8736484197-7">{</span><span·class="p"·data-group-id="8736484197-8">[</span><span·class="p"·data-group-id="8736484197-9">{</span><span·class="ss">db_handle</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Handle</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·648,·SHA:·83f34d10b69cff9247b35c260fe213ed6b09303ca70c6933107b5feb763f51f2·...·]7-7">}</span><span·class="w"> |
| 262 | ··</span><span·class="k">end</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>If·you·use·multiple·CTHs,·the·first·part·of·the·return·tuple·is·used·as·input | 262 | ··</span><span·class="k">end</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>If·you·use·multiple·CTHs,·the·first·part·of·the·return·tuple·is·used·as·input |
| 263 | for·the·next·CTH.·So·in·the·previous·example·the·next·CTH·can·get | 263 | for·the·next·CTH.·So·in·the·previous·example·the·next·CTH·can·get |
| 264 | <code·class="inline">{fail,Reason}</code>·as·the·second·parameter.·If·you·have·many·CTHs·interacting,·do | 264 | <code·class="inline">{fail,Reason}</code>·as·the·second·parameter.·If·you·have·many·CTHs·interacting,·do |
| 265 | not·let·each·CTH·return·<code·class="inline">fail</code>·or·<code·class="inline">skip</code>.·Instead,·return·that·an·action·is·to | 265 | not·let·each·CTH·return·<code·class="inline">fail</code>·or·<code·class="inline">skip</code>.·Instead,·return·that·an·action·is·to |
| 266 | be·taken·through·the·<code·class="inline">Config</code>·list·and·implement·a·CTH·that,·at·the·end,·takes | 266 | be·taken·through·the·<code·class="inline">Config</code>·list·and·implement·a·CTH·that,·at·the·end,·takes |
| 267 | the·correct·action.</p></section><p><a·href=""·id="post"></a></p><h3·id="post-hooks"·class="section-heading"> | 267 | the·correct·action.</p></section><p><a·href=""·id="post"></a></p><h3·id="post-hooks"·class="section-heading"> |
| 268 | ··<a·href="#post-hooks"·class="hover-link"> | 268 | ··<a·href="#post-hooks"·class="hover-link"> |
| Offset 276, 26 lines modified | Offset 276, 26 lines modified | ||
| 276 | same·<code·class="inline">Config</code>·as·the·testcase·is·called·with.·<code·class="inline">Return</code>·is·the·value·returned·by | 276 | same·<code·class="inline">Config</code>·as·the·testcase·is·called·with.·<code·class="inline">Return</code>·is·the·value·returned·by |
| 277 | the·testcase.·If·the·testcase·fails·by·crashing,·<code·class="inline">Return</code>·is | 277 | the·testcase.·If·the·testcase·fails·by·crashing,·<code·class="inline">Return</code>·is |
| 278 | <code·class="inline">{'EXIT',{{Error,Reason},Stacktrace}}</code>.</p><p>The·return·value·of·the·CTH·function·is·always·a·combination·of·a·result·for·the | 278 | <code·class="inline">{'EXIT',{{Error,Reason},Stacktrace}}</code>.</p><p>The·return·value·of·the·CTH·function·is·always·a·combination·of·a·result·for·the |
| 279 | suite/group/test·and·an·updated·<code·class="inline">CTHState</code>.·If·you·do·not·want·the·callback·to | 279 | suite/group/test·and·an·updated·<code·class="inline">CTHState</code>.·If·you·do·not·want·the·callback·to |
| 280 | affect·the·outcome·of·the·test,·return·the·<code·class="inline">Return</code>·data·as·it·is·given·to·the | 280 | affect·the·outcome·of·the·test,·return·the·<code·class="inline">Return</code>·data·as·it·is·given·to·the |
| 281 | CTH.·You·can·also·modify·the·test·result.·By·returning·the·<code·class="inline">Config</code>·list·with | 281 | CTH.·You·can·also·modify·the·test·result.·By·returning·the·<code·class="inline">Config</code>·list·with |
| 282 | element·<code·class="inline">tc_status</code>·removed,·you·can·recover·from·a·test·failure.·As·in·all·the | 282 | element·<code·class="inline">tc_status</code>·removed,·you·can·recover·from·a·test·failure.·As·in·all·the |
| 283 | pre·hooks,·it·is·also·possible·to·fail/skip·the·test·case·in·the·post·hook.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">post_end_per_testcase</span><span·class="p"·data-group-id=" | 283 | pre·hooks,·it·is·also·possible·to·fail/skip·the·test·case·in·the·post·hook.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">post_end_per_testcase</span><span·class="p"·data-group-id="9872280357-1">(</span><span·class="p">_</span><span·class="n">Suite</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">TC</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·cl[·...·truncated·by·diffoscope;·len:·506,·SHA:·2b2b1592f01fcb724f8f6104071c339229b612903b1b38d346712c36d682e624·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 284 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">check_consistency</span><span·class="p"·data-group-id=" | 284 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">check_consistency</span><span·class="p"·data-group-id="9872280357-4">(</span><span·class="p"·data-group-id="9872280357-4">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 285 | ····</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 285 | ····</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 286 | ······</span><span·class="c1">%%·DB·is·good,·pass·the·test.</span><span·class="w"> | 286 | ······</span><span·class="c1">%%·DB·is·good,·pass·the·test.</span><span·class="w"> |
| 287 | ······</span><span·class="p"·data-group-id=" | 287 | ······</span><span·class="p"·data-group-id="9872280357-5">{</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id="9872280357-6">(</span><span·class="ss">tc_status</span><span·class="p">,</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·189,·SHA:·69e7eac7131c23fd9e6bbb6fd664afb79762f337205d9df4c75f463be825f4c1·...·]-5">}</span><span·class="p">;</span><span·class="w"> |
| 288 | ····</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 288 | ····</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 289 | ······</span><span·class="c1">%%·DB·is·not·good,·mark·as·skipped·instead·of·failing</span><span·class="w"> | 289 | ······</span><span·class="c1">%%·DB·is·not·good,·mark·as·skipped·instead·of·failing</span><span·class="w"> |
| 290 | ······</span><span·class="p"·data-group-id=" | 290 | ······</span><span·class="p"·data-group-id="9872280357-7">{</span><span·class="p"·data-group-id="9872280357-8">{</span><span·class="ss">skip</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"DB·is·inconsistent!"</span><span·class="p"·data-group-id="9872280357-8">}</spa[·...·truncated·by·diffoscope;·len:·122,·SHA:·9932139938ee3142047fa220385160e147dc14493c42f1a2ff100549ad09f493·...·]-7">}</span><span·class="w"> |
| 291 | ··</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 291 | ··</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 292 | </span><span·class="nf">post_end_per_testcase</span><span·class="p"·data-group-id=" | 292 | </span><span·class="nf">post_end_per_testcase</span><span·class="p"·data-group-id="9872280357-9">(</span><span·class="p">_</span><span·class="n">Suite</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">TC</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·cl[·...·truncated·by·diffoscope;·len:·189,·SHA:·6bfcc92ccd399d95682a0d65da0a4441bad331c4964c9b1168fb289803b958fa·...·]-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 293 | ··</span><span·class="c1">%%·Do·nothing·if·tc·does·not·crash.</span><span·class="w"> | 293 | ··</span><span·class="c1">%%·Do·nothing·if·tc·does·not·crash.</span><span·class="w"> |
| 294 | ··</span><span·class="p"·data-group-id=" | 294 | ··</span><span·class="p"·data-group-id="9872280357-10">{</span><span·class="n">Return</span><span·class="p">,</span><span·class="w">·</span><span·class="n">CTHState</span><span·class="p"·data-group-id="9872280357-10">}</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Do·recover·from·a·testcase·failure·using·CTHs·only·a·last·resort.·If·used |
| 295 | wrongly,·it·can·be·very·difficult·to·determine·which·tests·that·pass·or·fail | 295 | wrongly,·it·can·be·very·difficult·to·determine·which·tests·that·pass·or·fail |
| 296 | in·a·test·run.</p></section><h3·id="skip-and-fail-hooks"·class="section-heading"> | 296 | in·a·test·run.</p></section><h3·id="skip-and-fail-hooks"·class="section-heading"> |
| 297 | ··<a·href="#skip-and-fail-hooks"·class="hover-link"> | 297 | ··<a·href="#skip-and-fail-hooks"·class="hover-link"> |
| 298 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 298 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 299 | ··</a> | 299 | ··</a> |
| 300 | ··<span·class="text">Skip·and·Fail·Hooks</span> | 300 | ··<span·class="text">Skip·and·Fail·Hooks</span> |
| 301 | </h3> | 301 | </h3> |
| Offset 336, 88 lines modified | Offset 336, 88 lines modified | ||
| 336 | <p>The·following·CTH·logs·information·about·a·test·run·into·a·format·parseable·by | 336 | <p>The·following·CTH·logs·information·about·a·test·run·into·a·format·parseable·by |
| 337 | <a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#consult/1"><code·class="inline">file:consult/1</code></a>·(in·Kernel):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%·Common·Test·Example·Common·Test·Hook·module.</span><span·class="w"> | 337 | <a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#consult/1"><code·class="inline">file:consult/1</code></a>·(in·Kernel):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%%·Common·Test·Example·Common·Test·Hook·module.</span><span·class="w"> |
| 338 | </span><span·class="c1">%%%</span><span·class="w"> | 338 | </span><span·class="c1">%%%</span><span·class="w"> |
| 339 | </span><span·class="c1">%%%·To·use·this·hook,·on·the·command·line:</span><span·class="w"> | 339 | </span><span·class="c1">%%%·To·use·this·hook,·on·the·command·line:</span><span·class="w"> |
| 340 | </span><span·class="c1">%%%·····ct_run·-suite·example_SUITE·-pa·.·-ct_hooks·example_cth</span><span·class="w"> | 340 | </span><span·class="c1">%%%·····ct_run·-suite·example_SUITE·-pa·.·-ct_hooks·example_cth</span><span·class="w"> |
| 341 | </span><span·class="c1">%%%</span><span·class="w"> | 341 | </span><span·class="c1">%%%</span><span·class="w"> |
| 342 | </span><span·class="c1">%%%·Note·`-pa·.`:·the·hook·beam·file·must·be·in·the·code·path·when·installing.</span><span·class="w"> | 342 | </span><span·class="c1">%%%·Note·`-pa·.`:·the·hook·beam·file·must·be·in·the·code·path·when·installing.</span><span·class="w"> |
| 343 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 343 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="6579447570-1">(</span><span·class="ss">example_cth</span><span·class="p"·data-group-id="6579447570-1">)</span><span·class="p">.</span><span·class="w"> |
| 344 | </span><span·class="c1">%%·Mandatory·Callbacks</span><span·class="w"> | 344 | </span><span·class="c1">%%·Mandatory·Callbacks</span><span·class="w"> |
| 345 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 345 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6579447570-2">(</span><span·class="p"·data-group-id="6579447570-3">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id="6579447570-3">]</span><span·class="p"·data-group-id="6579447570-2">)</span><span·class="p">.</span><span·class="w"> |
| 346 | </span><span·class="c1">%%·Optional·Callbacks</span><span·class="w"> | 346 | </span><span·class="c1">%%·Optional·Callbacks</span><span·class="w"> |
| 347 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 347 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6579447570-4">(</span><span·class="p"·data-group-id="6579447570-5">[</span><span·class="ss">id</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="6579447570-5">]</span><span·class="p"·data-group-id="6579447570-4">)</span><span·class="p">.</span><span·class="w"> |
| 348 | </span><span·class="w"> | 348 | </span><span·class="w"> |
| 349 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 349 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6579447570-6">(</span><span·class="p"·data-group-id="6579447570-7">[</span><span·class="ss">pre_init_per_suite</span><span·class="p">/</span><span·class="mi">3</span><span·class="p"·data-group-id="6579447570-7">]</span><span·class="p"·data-group-id="657944[·...·truncated·by·diffoscope;·len:·4,·SHA:·4fb8cc0552030b2ed58e58cfd65f95c65d3bfeaff172a5dcfb3a8d7238497672·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 350 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 350 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6579447570-8">(</span><span·class="p"·data-group-id="6579447570-9">[</span><span·class="ss">post_end_per_suite</span><span·class="p">/</span><span·class="mi">4</span><span·class="p"·data-group-id="6579447570-9">]</span><span·class="p"·data-group-id="657944[·...·truncated·by·diffoscope;·len:·4,·SHA:·4fb8cc0552030b2ed58e58cfd65f95c65d3bfeaff172a5dcfb3a8d7238497672·...·]-8">)</span><span·class="p">.</span><span·class="w"> |
| 351 | </span><span·class="w"> | 351 | </span><span·class="w"> |
| 352 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 352 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6579447570-10">(</span><span·class="p"·data-group-id="6579447570-11">[</span><span·class="ss">pre_init_per_testcase</span><span·class="p">/</span><span·class="mi">4</span><span·class="p"·data-group-id="6579447570-11">]</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·10,·SHA:·2b2dce406cb37246e25cf32ddc1270dae3fd089ac4b2324b6a87e31769ea2cb4·...·]-10">)</span><span·class="p">.</span><span·class="w"> |
| 353 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 353 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6579447570-12">(</span><span·class="p"·data-group-id="6579447570-13">[</span><span·class="ss">post_end_per_testcase</span><span·class="p">/</span><span·class="mi">5</span><span·class="p"·data-group-id="6579447570-13">]</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·10,·SHA:·2b2dce406cb37246e25cf32ddc1270dae3fd089ac4b2324b6a87e31769ea2cb4·...·]-12">)</span><span·class="p">.</span><span·class="w"> |
| 354 | </span><span·class="w"> | 354 | </span><span·class="w"> |
| 355 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 355 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6579447570-14">(</span><span·class="p"·data-group-id="6579447570-15">[</span><span·class="ss">on_tc_skip</span><span·class="p">/</span><span·class="mi">4</span><span·class="p"·data-group-id="6579447570-15">]</span><span·class="p"·data-group-id="6579447570-14">)</span><span·class="p">.</span><span·class="w"> |
| 356 | </span><span·class="w"> | 356 | </span><span·class="w"> |
| 357 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 357 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6579447570-16">(</span><span·class="p"·data-group-id="6579447570-17">[</span><span·class="ss">terminate</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="6579447570-17">]</span><span·class="p"·data-group-id="6579447570-16">)</span><span·class="p">.</span><span·class="w"> |
| 358 | </span><span·class="c1">%%·This·hook·state·is·threaded·through·all·the·callbacks.</span><span·class="w"> | 358 | </span><span·class="c1">%%·This·hook·state·is·threaded·through·all·the·callbacks.</span><span·class="w"> |
| 359 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 359 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6579447570-18">(</span><span·class="ss">state</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6579447570-19">{</span><span·class="ss">filename</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">total[·...·truncated·by·diffoscope;·len:·489,·SHA:·22048218a2e3857144125896cf1ee1fe246e1fb8903cda89cb21166aff9f7dea·...·]-18">)</span><span·class="p">.</span><span·class="w"> |
| 360 | </span><span·class="c1">%%·This·example·hook·prints·its·results·to·a·file,·see·terminate/1.</span><span·class="w"> | 360 | </span><span·class="c1">%%·This·example·hook·prints·its·results·to·a·file,·see·terminate/1.</span><span·class="w"> |
| 361 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 361 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6579447570-20">(</span><span·class="ss">test_run</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6579447570-21">{</span><span·class="ss">total</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">skipp[·...·truncated·by·diffoscope;·len:·182,·SHA:·0a137acaa3772e48e422a723401215fa2d668550546ffda215ce7e1bfa9811ab·...·]-20">)</span><span·class="p">.</span><span·class="w"> |
| 362 | </span><span·class="c1">%%·Return·a·unique·id·for·this·CTH.</span><span·class="w"> | 362 | </span><span·class="c1">%%·Return·a·unique·id·for·this·CTH.</span><span·class="w"> |
| 363 | </span><span·class="c1">%%·Using·the·filename·means·the·hook·can·be·used·with·different</span><span·class="w"> | 363 | </span><span·class="c1">%%·Using·the·filename·means·the·hook·can·be·used·with·different</span><span·class="w"> |
| 364 | </span><span·class="c1">%%·log·files·to·separate·timing·data·within·the·same·test·run.</span><span·class="w"> | 364 | </span><span·class="c1">%%·log·files·to·separate·timing·data·within·the·same·test·run.</span><span·class="w"> |
| 365 | </span><span·class="c1">%%·See·Installing·a·CTH·for·more·information.</span><span·class="w"> | 365 | </span><span·class="c1">%%·See·Installing·a·CTH·for·more·information.</span><span·class="w"> |
| 366 | </span><span·class="nf">id</span><span·class="p"·data-group-id=" | 366 | </span><span·class="nf">id</span><span·class="p"·data-group-id="6579447570-22">(</span><span·class="n">Opts</span><span·class="p"·data-group-id="6579447570-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 367 | ····</span><span·class="c1">%%·the·path·is·relative·to·the·test·run·directory</span><span·class="w"> | 367 | ····</span><span·class="c1">%%·the·path·is·relative·to·the·test·run·directory</span><span·class="w"> |
| 368 | ····</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 368 | ····</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="6579447570-23">(</span><span·class="ss">filename</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opts</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"example_cth.log"</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·13,·SHA:·06fd34b57ba2345a61c7bb48ad8b04d97a2c330be419a0cf2bed4231d22532c2·...·]-23">)</span><span·class="p">.</span><span·class="w"> |
| 369 | </span><span·class="c1">%%·Always·called·before·any·other·callback·function.·Use·this·to·initiate</span><span·class="w"> | 369 | </span><span·class="c1">%%·Always·called·before·any·other·callback·function.·Use·this·to·initiate</span><span·class="w"> |
| 370 | </span><span·class="c1">%%·any·common·state.</span><span·class="w"> | 370 | </span><span·class="c1">%%·any·common·state.</span><span·class="w"> |
| 371 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 371 | </span><span·class="nf">init</span><span·class="p"·data-group-id="6579447570-24">(</span><span·class="n">Id</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Opts</span><span·class="p"·data-group-id="6579447570-24">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 372 | ····</span><span·class="p"·data-group-id=" | 372 | ····</span><span·class="p"·data-group-id="6579447570-25">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id="6579447570-26">{</span><span·class="ss">filename</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·602,·SHA:·445def45c5a590c91cc813c2c8247d6e9889c918726f64f09c945a7df88db3a2·...·]-25">}</span><span·class="p">.</span><span·class="w"> |
| 373 | </span><span·class="c1">%%·Called·before·init_per_suite·is·called.</span><span·class="w"> | 373 | </span><span·class="c1">%%·Called·before·init_per_suite·is·called.</span><span·class="w"> |
| 374 | </span><span·class="nf">pre_init_per_suite</span><span·class="p"·data-group-id=" | 374 | </span><span·class="nf">pre_init_per_suite</span><span·class="p"·data-group-id="6579447570-28">(</span><span·class="p">_</span><span·class="n">Suite</span><span·class="p">,</span><span·class="n">Config</span><span·class="p">,</span><span·class="n">State</span><span·class="p"·data-group-id="6579447570-28">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 375 | ····</span><span·class="p"·data-group-id=" | 375 | ····</span><span·class="p"·data-group-id="6579447570-29">{</span><span·class="n">Config</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id="6579447570-30">{</span><span·class="ss">suit[·...·truncated·by·diffoscope;·len:·461,·SHA:·dcc58b7b942c6acddd3200ae6235af3feabd19abd928ef04fa5d0bc53a01783d·...·]-29">}</span><span·class="p">.</span><span·class="w"> |
| 376 | </span><span·class="c1">%%·Called·after·end_per_suite.</span><span·class="w"> | 376 | </span><span·class="c1">%%·Called·after·end_per_suite.</span><span·class="w"> |
| 377 | </span><span·class="nf">post_end_per_suite</span><span·class="p"·data-group-id=" | 377 | </span><span·class="nf">post_end_per_suite</span><span·class="p"·data-group-id="6579447570-32">(</span><span·class="n">Suite</span><span·class="p">,</span><span·class="p">_</span><span·class="n">Config</span><span·class="p">,</span><span·class="n">Return</span><span·class="p">,</span><span·class="n">State</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·18,·SHA:·ebf8978cde23a52a2ff44cfa887edbec5751cdb7f2740c7c601d285941717193·...·]-32">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 378 | ····</span><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 378 | ····</span><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6579447570-33">{</span><span·class="ss">suites</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Suite</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">suite_total</span><span·class="p">,</span><span·class="w"> |
| 379 | ············</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id=" | 379 | ············</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id="6579447570-34">(</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">tcs</span><span·class="p"·data-group-id="6579447570-34">)</span><span·class="p"·data-group-id="6579447570-33">}</span><span·class="p">,</span><span·class="w"> |
| 380 | ····</span><span·class="p"·data-group-id=" | 380 | ····</span><span·class="p"·data-group-id="6579447570-35">{</span><span·class="n">Return</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id="6579447570-36">{</span><span·class="ss">data[·...·truncated·by·diffoscope;·len:·406,·SHA:·8538409f239b542de9c62c2d6f54e4317585054ae37cbd5665126659fa21e937·...·]-37">]</span><span·class="p">,</span><span·class="w"> |
| 381 | ·························</span><span·class="ss">total</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">total</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">suite_total</span><span·class="p"·data-group-id=" | 381 | ·························</span><span·class="ss">total</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">total</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">suite_total</span><span·class="p"·data-group-id="6579447570-36">}</span><span·class="p"·data-group-id="6579447570-35">}</span><span·class="p">.</span><span·class="w"> |
| 382 | </span><span·class="c1">%%·Called·before·each·init_per_testcase.</span><span·class="w"> | 382 | </span><span·class="c1">%%·Called·before·each·init_per_testcase.</span><span·class="w"> |
| 383 | </span><span·class="nf">pre_init_per_testcase</span><span·class="p"·data-group-id=" | 383 | </span><span·class="nf">pre_init_per_testcase</span><span·class="p"·data-group-id="6579447570-38">(</span><span·class="p">_</span><span·class="n">Suite</span><span·class="p">,</span><span·class="p">_</span><span·class="n">TC</span><span·class="p">,</span><span·class="n">Config</span><span·class="p">,</span><span·class="n">State</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·babbe27eb3a10c23067e2802cc96b5ce2250e53688ba24778790d5bf1cc12bc8·...·]-38">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 384 | ····</span><span·class="n">Now</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monotonic_time</span><span·class="p"·data-group-id=" | 384 | ····</span><span·class="n">Now</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monotonic_time</span><span·class="p"·data-group-id="6579447570-39">(</span><span·class="ss">microsecond</span><span·class="p"·data-group-id="6579447570-39">)</span><span·class="p">,</span><span·class="w"> |
| 385 | ····</span><span·class="p"·data-group-id=" | 385 | ····</span><span·class="p"·data-group-id="6579447570-40">{</span><span·class="n">Config</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id="6579447570-41">{</span><span·class="ss">ts</[·...·truncated·by·diffoscope;·len:·590,·SHA:·6bd9d58ffe53c1466d91c66d46f7afaff0b7edd6635372172e9f202299e09765·...·]-40">}</span><span·class="p">.</span><span·class="w"> |
| 386 | </span><span·class="c1">%%·Called·after·each·end_per_testcase.</span><span·class="w"> | 386 | </span><span·class="c1">%%·Called·after·each·end_per_testcase.</span><span·class="w"> |
| 387 | </span><span·class="nf">post_end_per_testcase</span><span·class="p"·data-group-id=" | 387 | </span><span·class="nf">post_end_per_testcase</span><span·class="p"·data-group-id="6579447570-42">(</span><span·class="n">Suite</span><span·class="p">,</span><span·class="n">TC</span><span·class="p">,</span><span·class="p">_</span><span·class="n">Config</span><span·class="p">,</span><span·class="n">Return</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·67,·SHA:·db9f67f6a8fed5fed5daaea420a80dc3a9ad32b776601bdfa94f6335f053c87d·...·]-42">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 388 | ····</span><span·class="n">Now</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monotonic_time</span><span·class="p"·data-group-id=" | 388 | ····</span><span·class="n">Now</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monotonic_time</span><span·class="p"·data-group-id="6579447570-43">(</span><span·class="ss">microsecond</span><span·class="p"·data-group-id="6579447570-43">)</span><span·class="p">,</span><span·class="w"> |
| 389 | ····</span><span·class="n">TCInfo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 389 | ····</span><span·class="n">TCInfo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6579447570-44">{</span><span·class="ss">testcase</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Suite</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TC</span><span·class="p">,</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·343,·SHA:·fc37fee0d3cea568f9ca674cf768c77b5a0c7e92d8e4b31b2a4c531ed53adc2c·...·]-44">}</span><span·class="p">,</span><span·class="w"> |
| 390 | ····</span><span·class="p"·data-group-id=" | 390 | ····</span><span·class="p"·data-group-id="6579447570-45">{</span><span·class="n">Return</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id="6579447570-46">{</span><span·class="ss">ts</[·...·truncated·by·diffoscope;·len:·693,·SHA:·7fb4ae44e293348f758da6ed0a18dfd4c9c216b45f6277e981701a42f8c5fe3b·...·]-45">}</span><span·class="p">.</span><span·class="w"> |
| 391 | </span><span·class="c1">%%·Called·when·a·test·case·is·skipped·by·either·user·action</span><span·class="w"> | 391 | </span><span·class="c1">%%·Called·when·a·test·case·is·skipped·by·either·user·action</span><span·class="w"> |
| 392 | </span><span·class="c1">%%·or·due·to·an·init·function·failing.</span><span·class="w"> | 392 | </span><span·class="c1">%%·or·due·to·an·init·function·failing.</span><span·class="w"> |
| 393 | </span><span·class="nf">on_tc_skip</span><span·class="p"·data-group-id=" | 393 | </span><span·class="nf">on_tc_skip</span><span·class="p"·data-group-id="6579447570-48">(</span><span·class="p">_</span><span·class="n">Suite</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">TC</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class=[·...·truncated·by·diffoscope;·len:·134,·SHA:·99d55bd818e6eac49fac765143cd42489d8e8a66d58b0f6ed633db04ba0da156·...·]-48">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 394 | ····</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id=" | 394 | ····</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p"·data-group-id="6579447570-49">{</span><span·class="ss">skipped</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">skipped<[·...·truncated·by·diffoscope;·len:·144,·SHA:·5d28fe8644a8b745033736ea29559bf8e0fdc744a4aee47be144f48be3eb2cdc·...·]-49">}</span><span·class="p">.</span><span·class="w"> |
| 395 | </span><span·class="c1">%%·Called·when·the·scope·of·the·CTH·is·done.</span><span·class="w"> | 395 | </span><span·class="c1">%%·Called·when·the·scope·of·the·CTH·is·done.</span><span·class="w"> |
| 396 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id=" | 396 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id="6579447570-50">(</span><span·class="n">State</span><span·class="p"·data-group-id="6579447570-50">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 397 | ····</span><span·class="c1">%%·use·append·to·avoid·data·loss·if·the·path·is·reused</span><span·class="w"> | 397 | ····</span><span·class="c1">%%·use·append·to·avoid·data·loss·if·the·path·is·reused</span><span·class="w"> |
| 398 | ····</span><span·class="p"·data-group-id=" | 398 | ····</span><span·class="p"·data-group-id="6579447570-51">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">File</span><span·class="p"·data-group-id="6579447570-51">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·569,·SHA:·8b5e88c392c55b4579a695560e58d3002cedcd83702a4bf250b82f0553b47fd3·...·]-52">)</span><span·class="p">,</span><span·class="w"> |
| 399 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 399 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6579447570-54">(</span><span·class="n">File</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">.</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·340,·SHA:·75c22d16bb3de1d01058db1ca88a07ed91959ef3efa2c992b0ee8272f7eed1d9·...·]-54">)</span><span·class="p">,</span><span·class="w"> |
| 400 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 400 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="6579447570-57">(</span><span·class="n">File</span><span·class="p"·data-group-id="6579447570-57">)</span><span·class="p">,</span><span·class="w"> |
| 401 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 401 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 402 | </span><span·class="nf">results</span><span·class="p"·data-group-id=" | 402 | </span><span·class="nf">results</span><span·class="p"·data-group-id="6579447570-58">(</span><span·class="n">State</span><span·class="p"·data-group-id="6579447570-58">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
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| Offset 434, 15 lines modified | Offset 434, 15 lines modified | ||
| 434 | ······<div·class="specs"> | 434 | ······<div·class="specs"> |
| 435 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_event_mgr_ref()·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>().</pre> | 435 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_event_mgr_ref()·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>().</pre> |
| 436 | ······</div> | 436 | ······</div> |
| 437 | <p>Gets·a·reference·to·the·<code·class="inline">Common·Test</code>·master·event·manager.·The·reference·can·be | 437 | <p>Gets·a·reference·to·the·<code·class="inline">Common·Test</code>·master·event·manager.·The·reference·can·be |
| 438 | used·to,·for·example,·add·a·user-specific·event·handler·while·tests·are·running.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id=" | 438 | used·to,·for·example,·add·a·user-specific·event·handler·while·tests·are·running.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">gen_event</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id="2382191280-1">(</span><span·class="nc">ct_master</span><span·class="p">:</span><span·class="nf">get_event_mgr_ref</span><span·class="p"·data-group-id="2382191280-2">(</span><span·class="p"·data-group-id="2382191280-2">)</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·244,·SHA:·b76e9f0a34517e740b9212e8fa57eb2e8908604405db52d7ca0f8462ad35c018·...·]-1">)</span></code></pre> |
| 439 | ··</section> | 439 | ··</section> |
| 440 | </section> | 440 | </section> |
| 441 | <section·class="detail"·id="progress/0"> | 441 | <section·class="detail"·id="progress/0"> |
| 442 | ··<div·class="detail-header"> | 442 | ··<div·class="detail-header"> |
| 443 | ····<a·href="#progress/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 443 | ····<a·href="#progress/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 444 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 444 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 770, 15 lines modified | Offset 770, 15 lines modified | ||
| 770 | ······<p·class="built-using"> | 770 | ······<p·class="built-using"> |
| 771 | ········Built·using | 771 | ········Built·using |
| 772 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 772 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 773 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 773 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 774 | ······</p> | 774 | ······</p> |
| 775 | <p>Copyright·©·1996-202 | 775 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 776 | ····</footer> | 776 | ····</footer> |
| 777 | ··</div> | 777 | ··</div> |
| 778 | </main> | 778 | </main> |
| 779 | </div> | 779 | </div> |
| 780 | <script> | 780 | <script> |
| 781 | ··function·mermaidLoaded()·{ | 781 | ··function·mermaidLoaded()·{ |
| 782 | ····mermaid.initialize({ | 782 | ····mermaid.initialize({ |
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| 152 | a·common·file·system.·<code·class="inline">Common·Test</code>·Master·cannot·start·test·nodes | 152 | a·common·file·system.·<code·class="inline">Common·Test</code>·Master·cannot·start·test·nodes |
| 153 | automatically.·The·nodes·must·be·started·in·advance·for·<code·class="inline">Common·Test</code>·Master·to | 153 | automatically.·The·nodes·must·be·started·in·advance·for·<code·class="inline">Common·Test</code>·Master·to |
| 154 | be·able·to·start·test·sessions·on·them.</p><p>Tests·are·started·by·calling·<a·href="ct_master.html#run/1"><code·class="inline">ct_master:run(TestSpecs)</code></a>·or | 154 | be·able·to·start·test·sessions·on·them.</p><p>Tests·are·started·by·calling·<a·href="ct_master.html#run/1"><code·class="inline">ct_master:run(TestSpecs)</code></a>·or |
| 155 | <a·href="ct_master.html#run/3"><code·class="inline">ct_master:run(TestSpecs,·InclNodes,·ExclNodes)</code></a></p><p><code·class="inline">TestSpecs</code>·is·either·the·name·of·a·test·specification·file·(string)·or·a·list | 155 | <a·href="ct_master.html#run/3"><code·class="inline">ct_master:run(TestSpecs,·InclNodes,·ExclNodes)</code></a></p><p><code·class="inline">TestSpecs</code>·is·either·the·name·of·a·test·specification·file·(string)·or·a·list |
| 156 | of·test·specifications.·If·it·is·a·list,·the·specifications·are·handled·(and·the | 156 | of·test·specifications.·If·it·is·a·list,·the·specifications·are·handled·(and·the |
| 157 | corresponding·tests·executed)·in·sequence.·An·element·in·a·<code·class="inline">TestSpecs</code>·list·can | 157 | corresponding·tests·executed)·in·sequence.·An·element·in·a·<code·class="inline">TestSpecs</code>·list·can |
| 158 | also·be·list·of·test·specifications.·The·specifications·in·such·a·list·are | 158 | also·be·list·of·test·specifications.·The·specifications·in·such·a·list·are |
| 159 | merged·into·one·combined·specification·before·test·execution.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ct_master</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id=" | 159 | merged·into·one·combined·specification·before·test·execution.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ct_master</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="5741401449-1">(</span><span·class="p"·data-group-id="5741401449-2">[</span><span·class="s">"ts1"</span><span·class="p">,</span><span·class="s">"ts2"</span><span·class="p">,</span><span·class="p"·data-group-id="5741401449-3">[</span><spa[·...·truncated·by·diffoscope;·len:·243,·SHA:·e36b6d3f152b3418efae0c14a9f376c5057eb7eb15e9407e561da68db68bed66·...·]-1">)</span></code></pre><p>Here,·the·tests·specified·by·"ts1"·run·first,·then·the·tests·specified·by·"ts2", |
| 160 | and·finally·the·tests·specified·by·both·"ts3"·and·"ts4".</p><p>The·<code·class="inline">InclNodes</code>·argument·to·<code·class="inline">run/3</code>·is·a·list·of·node·names.·Function·<code·class="inline">run/3</code> | 160 | and·finally·the·tests·specified·by·both·"ts3"·and·"ts4".</p><p>The·<code·class="inline">InclNodes</code>·argument·to·<code·class="inline">run/3</code>·is·a·list·of·node·names.·Function·<code·class="inline">run/3</code> |
| 161 | runs·the·tests·in·<code·class="inline">TestSpecs</code>·just·like·<code·class="inline">run/1</code>,·but·also·takes·any·test·in | 161 | runs·the·tests·in·<code·class="inline">TestSpecs</code>·just·like·<code·class="inline">run/1</code>,·but·also·takes·any·test·in |
| 162 | <code·class="inline">TestSpecs</code>,·which·is·not·explicitly·tagged·with·a·particular·node·name,·and | 162 | <code·class="inline">TestSpecs</code>,·which·is·not·explicitly·tagged·with·a·particular·node·name,·and |
| 163 | execute·it·on·the·nodes·listed·in·<code·class="inline">InclNodes</code>.·By·using·<code·class="inline">run/3</code>·this·way,·any | 163 | execute·it·on·the·nodes·listed·in·<code·class="inline">InclNodes</code>.·By·using·<code·class="inline">run/3</code>·this·way,·any |
| 164 | test·specification·can·be·used,·with·or·without·node·information,·in·a | 164 | test·specification·can·be·used,·with·or·without·node·information,·in·a |
| 165 | large-scale·test·environment.</p><p><code·class="inline">ExclNodes</code>·is·a·list·of·nodes·to·be·excluded·from·the·test.·That·is,·tests·that | 165 | large-scale·test·environment.</p><p><code·class="inline">ExclNodes</code>·is·a·list·of·nodes·to·be·excluded·from·the·test.·That·is,·tests·that |
| 166 | are·specified·in·the·test·specification·to·run·on·a·particular·node·are·not | 166 | are·specified·in·the·test·specification·to·run·on·a·particular·node·are·not |
| Offset 192, 40 lines modified | Offset 192, 40 lines modified | ||
| 192 | achieved·using·constants).·The·alias·is·declared·with·a·<code·class="inline">node</code>·term·as·follows:</p><p><code·class="inline">{node,·NodeAlias,·NodeName}</code></p><p>If·<code·class="inline">NodeRefs</code>·has·the·value·<code·class="inline">all_nodes</code>,·the·operation·or·test·is·performed·on | 192 | achieved·using·constants).·The·alias·is·declared·with·a·<code·class="inline">node</code>·term·as·follows:</p><p><code·class="inline">{node,·NodeAlias,·NodeName}</code></p><p>If·<code·class="inline">NodeRefs</code>·has·the·value·<code·class="inline">all_nodes</code>,·the·operation·or·test·is·performed·on |
| 193 | all·specified·test·nodes.·(Declaring·a·term·without·a·<code·class="inline">NodeRefs</code>·element·has·the | 193 | all·specified·test·nodes.·(Declaring·a·term·without·a·<code·class="inline">NodeRefs</code>·element·has·the |
| 194 | same·effect).·If·<code·class="inline">NodeRefs</code>·has·the·value·<code·class="inline">master</code>,·the·operation·is·only | 194 | same·effect).·If·<code·class="inline">NodeRefs</code>·has·the·value·<code·class="inline">master</code>,·the·operation·is·only |
| 195 | performed·on·the·<code·class="inline">Common·Test</code>·Master·node·(namely·set·the·log·directory·or | 195 | performed·on·the·<code·class="inline">Common·Test</code>·Master·node·(namely·set·the·log·directory·or |
| 196 | install·an·event·handler).</p><p>Consider·the·example·in·section | 196 | install·an·event·handler).</p><p>Consider·the·example·in·section |
| 197 | <a·href="run_test_chapter.html#test_specifications">Test·Specifications</a>·in·section | 197 | <a·href="run_test_chapter.html#test_specifications">Test·Specifications</a>·in·section |
| 198 | Running·Tests·and·Analysing·Results,·now·extended·with·node·information·and | 198 | Running·Tests·and·Analysing·Results,·now·extended·with·node·information·and |
| 199 | intended·to·be·executed·by·<code·class="inline">Common·Test</code>·Master:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 199 | intended·to·be·executed·by·<code·class="inline">Common·Test</code>·Master:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8541419996-1">{</span><span·class="ss">define</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'Top'</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/home/test"</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·13,·SHA:·ea869d7ad3ef9cb9862f9f7823aa7722b70fbde861eaa4a4e30fdf293ff251cc·...·]96-1">}</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="p"·data-group-id=" | 200 | </span><span·class="p"·data-group-id="8541419996-2">{</span><span·class="ss">define</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T1'</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"'Top'/t1"</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·18,·SHA:·f385bdeaa39a7ba5bb449208275b33623282bbb6f2e7e06db28c2ee2453dd85b·...·]96-2">}</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="p"·data-group-id=" | 201 | </span><span·class="p"·data-group-id="8541419996-3">{</span><span·class="ss">define</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T2'</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"'Top'/t2"</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·18,·SHA:·f385bdeaa39a7ba5bb449208275b33623282bbb6f2e7e06db28c2ee2453dd85b·...·]96-3">}</span><span·class="p">.</span><span·class="w"> |
| 202 | </span><span·class="p"·data-group-id=" | 202 | </span><span·class="p"·data-group-id="8541419996-4">{</span><span·class="ss">define</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T3'</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"'Top'/t3"</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·18,·SHA:·f385bdeaa39a7ba5bb449208275b33623282bbb6f2e7e06db28c2ee2453dd85b·...·]96-4">}</span><span·class="p">.</span><span·class="w"> |
| 203 | </span><span·class="p"·data-group-id=" | 203 | </span><span·class="p"·data-group-id="8541419996-5">{</span><span·class="ss">define</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'CfgFile'</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"config.cfg"</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·17,·SHA:·83cf87b2e8bb278173da2a693e3d2fc8bd55e51ab5da08bf783eecc3d64f9d4a·...·]96-5">}</span><span·class="p">.</span><span·class="w"> |
| 204 | </span><span·class="p"·data-group-id=" | 204 | </span><span·class="p"·data-group-id="8541419996-6">{</span><span·class="ss">define</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'Node'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ct_node</span><span·class="p"·data-group-id="8541419996-6">}</span><span·class="p">.</span><span·class="w"> |
| 205 | </span><span·class="p"·data-group-id=" | 205 | </span><span·class="p"·data-group-id="8541419996-7">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'Node@host_x'</span><span·class="p"·data-group-id="85414[·...·truncated·by·diffoscope;·len:·3,·SHA:·5a39cadd1b007093db50744797c7a04a34f73b35ed444704206705b02597d6fd·...·]96-7">}</span><span·class="p">.</span><span·class="w"> |
| 206 | </span><span·class="p"·data-group-id=" | 206 | </span><span·class="p"·data-group-id="8541419996-8">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'Node@host_y'</span><span·class="p"·data-group-id="85414[·...·truncated·by·diffoscope;·len:·3,·SHA:·5a39cadd1b007093db50744797c7a04a34f73b35ed444704206705b02597d6fd·...·]96-8">}</span><span·class="p">.</span><span·class="w"> |
| 207 | </span><span·class="p"·data-group-id=" | 207 | </span><span·class="p"·data-group-id="8541419996-9">{</span><span·class="ss">logdir</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">master</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"'Top'/master_logs"</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·21,·SHA:·f9c1a048487c5b71107d17d4d0576488504d6e40601417b8d6ee6faab782d27d·...·]96-9">}</span><span·class="p">.</span><span·class="w"> |
| 208 | </span><span·class="p"·data-group-id=" | 208 | </span><span·class="p"·data-group-id="8541419996-10">{</span><span·class="ss">logdir</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"'Top'/logs"</span><span·class="p"·data-group-id="8541419996-10">}</span><span·class="p">.</span><span·class="w"> |
| 209 | </span><span·class="p"·data-group-id=" | 209 | </span><span·class="p"·data-group-id="8541419996-11">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"'T1'/'CfgFile'"</span><span·class="[·...·truncated·by·diffoscope;·len:·26,·SHA:·ee959f033a7b216f84a49d416ac2c3e82ee421c53cd2c0cedb6fcf9d37aab3cd·...·]96-11">}</span><span·class="p">.</span><span·class="w"> |
| 210 | </span><span·class="p"·data-group-id=" | 210 | </span><span·class="p"·data-group-id="8541419996-12">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node2</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"'T2'/'CfgFile'"</span><span·class="[·...·truncated·by·diffoscope;·len:·26,·SHA:·ee959f033a7b216f84a49d416ac2c3e82ee421c53cd2c0cedb6fcf9d37aab3cd·...·]96-12">}</span><span·class="p">.</span><span·class="w"> |
| 211 | </span><span·class="p"·data-group-id=" | 211 | </span><span·class="p"·data-group-id="8541419996-13">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"'T3'/'CfgFile'"</span><span·class="p"·data-group-id="8541419996-13">}</span><span·class="p">.</span><span·class="w"> |
| 212 | </span><span·class="p"·data-group-id=" | 212 | </span><span·class="p"·data-group-id="8541419996-14">{</span><span·class="ss">suites</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T1'</span><span·class="p">,</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·72,·SHA:·7bea5ce4371203156fd71d0769c8b8b62b1d2d4f96ce4f32acc34766e96c70a0·...·]96-14">}</span><span·class="p">.</span><span·class="w"> |
| 213 | </span><span·class="p"·data-group-id=" | 213 | </span><span·class="p"·data-group-id="8541419996-15">{</span><span·class="ss">skip_suites</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T1'</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·346,·SHA:·066bc982a5e0a2113a4f6cf75f53329b57a992075d8f6bca1697b046ff0b2981·...·]96-15">}</span><span·class="p">.</span><span·class="w"> |
| 214 | </span><span·class="p"·data-group-id=" | 214 | </span><span·class="p"·data-group-id="8541419996-17">{</span><span·class="ss">skip_cases</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T1'</span><span·class="p">,</span><span·class="w[·...·truncated·by·diffoscope;·len:·413,·SHA:·79bc1218dd6c57170a599ebdd615251cc37d0f3b9e166e3d7c96f5c8f787223d·...·]96-17">}</span><span·class="p">.</span><span·class="w"> |
| 215 | </span><span·class="p"·data-group-id=" | 215 | </span><span·class="p"·data-group-id="8541419996-19">{</span><span·class="ss">skip_cases</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T1'</span><span·class="p">,</span><span·class="w[·...·truncated·by·diffoscope;·len:·356,·SHA:·074b5410be26967ee5ab557d47b3bd81ecd3e034da21547c3f2bd68734367597·...·]96-19">}</span><span·class="p">.</span><span·class="w"> |
| 216 | </span><span·class="p"·data-group-id=" | 216 | </span><span·class="p"·data-group-id="8541419996-21">{</span><span·class="ss">suites</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T2'</span><span·class="p">,</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·243,·SHA:·e8a7c9c18f2ffa92af96c4666f5cdd0f688c4c113e22aac0c989ca343b7e90c6·...·]96-21">}</span><span·class="p">.</span><span·class="w"> |
| 217 | </span><span·class="p"·data-group-id=" | 217 | </span><span·class="p"·data-group-id="8541419996-23">{</span><span·class="ss">cases</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T2'</span><span·class="p">,</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·368,·SHA:·d59cc4c2d77c799bd1f1e872b711198084c2a26dd0003840339a0880fd8a8179·...·]96-23">}</span><span·class="p">.</span><span·class="w"> |
| 218 | </span><span·class="p"·data-group-id=" | 218 | </span><span·class="p"·data-group-id="8541419996-25">{</span><span·class="ss">skip_suites</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'T3'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">all</span><span·class="p">,</span><span·class="w"[·...·truncated·by·diffoscope;·len:·98,·SHA:·008da1f91e74ce9feb45cff4979b3fd60a0d2898236ab5f43a99f92e6f4e9d04·...·]96-25">}</span><span·class="p">.</span></code></pre><p>This·example·specifies·the·same·tests·as·the·original·example.·But·now·if |
| 219 | started·with·a·call·to·<code·class="inline">ct_master:run(TestSpecName)</code>,·test·<code·class="inline">t1</code>·is·executed·on | 219 | started·with·a·call·to·<code·class="inline">ct_master:run(TestSpecName)</code>,·test·<code·class="inline">t1</code>·is·executed·on |
| 220 | node·<code·class="inline">ct_node@host_x</code>·(<code·class="inline">node1</code>),·test·<code·class="inline">t2</code>·on·<code·class="inline">ct_node@host_y</code>·(<code·class="inline">node2</code>)·and | 220 | node·<code·class="inline">ct_node@host_x</code>·(<code·class="inline">node1</code>),·test·<code·class="inline">t2</code>·on·<code·class="inline">ct_node@host_y</code>·(<code·class="inline">node2</code>)·and |
| 221 | test·<code·class="inline">t3</code>·on·both·<code·class="inline">node1</code>·and·<code·class="inline">node2</code>.·Configuration·file·<code·class="inline">t1</code>·is·only·read·on | 221 | test·<code·class="inline">t3</code>·on·both·<code·class="inline">node1</code>·and·<code·class="inline">node2</code>.·Configuration·file·<code·class="inline">t1</code>·is·only·read·on |
| 222 | <code·class="inline">node1</code>·and·configuration·file·<code·class="inline">t2</code>·only·on·<code·class="inline">node2</code>,·while·the·configuration | 222 | <code·class="inline">node1</code>·and·configuration·file·<code·class="inline">t2</code>·only·on·<code·class="inline">node2</code>,·while·the·configuration |
| 223 | file·<code·class="inline">t3</code>·is·read·on·both·<code·class="inline">node1</code>·and·<code·class="inline">node2</code>.·Both·test·nodes·write·log·files | 223 | file·<code·class="inline">t3</code>·is·read·on·both·<code·class="inline">node1</code>·and·<code·class="inline">node2</code>.·Both·test·nodes·write·log·files |
| 224 | to·the·same·directory.·(However,·the·<code·class="inline">Common·Test</code>·Master·node·uses·a·different | 224 | to·the·same·directory.·(However,·the·<code·class="inline">Common·Test</code>·Master·node·uses·a·different |
| 225 | log·directory·than·the·test·nodes.)</p><p>If·the·test·session·is·instead·started·with·a·call·to | 225 | log·directory·than·the·test·nodes.)</p><p>If·the·test·session·is·instead·started·with·a·call·to |
| Offset 240, 21 lines modified | Offset 240, 21 lines modified | ||
| 240 | always·performed·too,·of·course.</p><h2·id="automatic-startup-of-test-target-nodes"·class="section-heading"> | 240 | always·performed·too,·of·course.</p><h2·id="automatic-startup-of-test-target-nodes"·class="section-heading"> |
| 241 | ··<a·href="#automatic-startup-of-test-target-nodes"·class="hover-link"> | 241 | ··<a·href="#automatic-startup-of-test-target-nodes"·class="hover-link"> |
| 242 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 242 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 243 | ··</a> | 243 | ··</a> |
| 244 | ··<span·class="text">Automatic·Startup·of·Test·Target·Nodes</span> | 244 | ··<span·class="text">Automatic·Startup·of·Test·Target·Nodes</span> |
| 245 | </h2> | 245 | </h2> |
| 246 | <p><a·href=""·id="ct_slave"></a></p><p>Initial·actions·can·be·started·and·performed·automatically·on·test·target·nodes | 246 | <p><a·href=""·id="ct_slave"></a></p><p>Initial·actions·can·be·started·and·performed·automatically·on·test·target·nodes |
| 247 | using·test·specification·term·<code·class="inline">init</code>.</p><p>Two·subterms·are·supported,·<code·class="inline">node_start</code>·and·<code·class="inline">eval</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 247 | using·test·specification·term·<code·class="inline">init</code>.</p><p>Two·subterms·are·supported,·<code·class="inline">node_start</code>·and·<code·class="inline">eval</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6335121466-1">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1@host1</span><span·class="p"·data-group-id="6335121466-1">}</span><span·class="p">.</span><span·class="w"> |
| 248 | </span><span·class="p"·data-group-id=" | 248 | </span><span·class="p"·data-group-id="6335121466-2">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1@host2</span><span·class="p"·data-group-id="6335121466-2">}</span><span·class="p">.</span><span·class="w"> |
| 249 | </span><span·class="p"·data-group-id=" | 249 | </span><span·class="p"·data-group-id="6335121466-3">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node2@host2</span><span·class="p"·data-group-id="6335121466-3">}</span><span·class="p">.</span><span·class="w"> |
| 250 | </span><span·class="p"·data-group-id=" | 250 | </span><span·class="p"·data-group-id="6335121466-4">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node4</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1@host3</span><span·class="p"·data-group-id="6335121466-4">}</span><span·class="p">.</span><span·class="w"> |
| 251 | </span><span·class="p"·data-group-id=" | 251 | </span><span·class="p"·data-group-id="6335121466-5">{</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6335121466-6">[</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·594,·SHA:·98c4064ebdc2ab9af4359960d5253318fbb35d9c060c9b149cd2c7002ed6afd7·...·]-5">}</span><span·class="p">.</span><span·class="w"> |
| 252 | </span><span·class="p"·data-group-id=" | 252 | </span><span·class="p"·data-group-id="6335121466-10">{</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6335121466-11">[</span><span·class="ss">node2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node3</sp[·...·truncated·by·diffoscope;·len:·956,·SHA:·333dbcda1112e4eb3eb8fc4497e9ce5d91330391294c82e8c6e320a48c3d914b·...·]-10">}</span><span·class="p">.</span><span·class="w"> |
| 253 | </span><span·class="p"·data-group-id=" | 253 | </span><span·class="p"·data-group-id="6335121466-16">{</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6335121466-17">{</span><span·class="ss">eval</spa[·...·truncated·by·diffoscope;·len:·519,·SHA:·e7ce65aa8c23a22cf517250af615593d6e5d72b0f6f8877a4d5c01bb69aed107·...·]-16">}</span><span·class="p">.</span></code></pre><p>This·test·specification·declares·that·<code·class="inline">node1@host1</code>·is·to·be·started·using·the |
| 254 | user·callback·function·<code·class="inline">callback_module:my_slave_callback/0</code>,·and·nodes | 254 | user·callback·function·<code·class="inline">callback_module:my_slave_callback/0</code>,·and·nodes |
| 255 | <code·class="inline">node1@host2</code>·and·<code·class="inline">node2@host2</code>·are·to·be·started·with·the·default·callback | 255 | <code·class="inline">node1@host2</code>·and·<code·class="inline">node2@host2</code>·are·to·be·started·with·the·default·callback |
| 256 | module·<code·class="inline">ct_slave</code>.·The·specified·username·and·password·are·used·to·log·on·to | 256 | module·<code·class="inline">ct_slave</code>.·The·specified·username·and·password·are·used·to·log·on·to |
| 257 | remote·host·<code·class="inline">host2</code>.·Also,·function·<code·class="inline">module:function/0</code>·is·evaluated·on | 257 | remote·host·<code·class="inline">host2</code>.·Also,·function·<code·class="inline">module:function/0</code>·is·evaluated·on |
| 258 | <code·class="inline">node1@host3</code>,·and·the·result·of·this·call·is·printed·to·the·log.</p><p>The·default·callback·module·<a·href="ct_slave.html"><code·class="inline">ct_slave</code></a>,·has·the·following·features:</p><ul><li>Starting·Erlang·target·nodes·on·local·or·remote·hosts·(application·<code·class="inline">SSH</code>·is | 258 | <code·class="inline">node1@host3</code>,·and·the·result·of·this·call·is·printed·to·the·log.</p><p>The·default·callback·module·<a·href="ct_slave.html"><code·class="inline">ct_slave</code></a>,·has·the·following·features:</p><ul><li>Starting·Erlang·target·nodes·on·local·or·remote·hosts·(application·<code·class="inline">SSH</code>·is |
| 259 | used·for·communication).</li><li>Ability·to·start·an·Erlang·emulator·with·more·flags·(any·flags·supported·by | 259 | used·for·communication).</li><li>Ability·to·start·an·Erlang·emulator·with·more·flags·(any·flags·supported·by |
| 260 | <code·class="inline">erl</code>·are·supported).</li><li>Supervision·of·a·node·being·started·using·internal·callback·functions.·Used·to | 260 | <code·class="inline">erl</code>·are·supported).</li><li>Supervision·of·a·node·being·started·using·internal·callback·functions.·Used·to |
| Offset 310, 15 lines modified | Offset 310, 15 lines modified | ||
| 310 | ······<p·class="built-using"> | 310 | ······<p·class="built-using"> |
| 311 | ········Built·using | 311 | ········Built·using |
| 312 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 312 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 313 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 313 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 314 | ······</p> | 314 | ······</p> |
| 315 | <p>Copyright·©·1996-202 | 315 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 316 | ····</footer> | 316 | ····</footer> |
| 317 | ··</div> | 317 | ··</div> |
| 318 | </main> | 318 | </main> |
| 319 | </div> | 319 | </div> |
| 320 | <script> | 320 | <script> |
| 321 | ··function·mermaidLoaded()·{ | 321 | ··function·mermaidLoaded()·{ |
| 322 | ····mermaid.initialize({ | 322 | ····mermaid.initialize({ |
| Offset 133, 50 lines modified | Offset 133, 50 lines modified | ||
| 133 | and·with·support·for·RFC·5277,·NETCONF·Event·Notifications.</p><p><a·href=""·id="Connecting"></a></p><p><em>Connecting·to·a·NETCONF·server</em></p><p>Call·<a·href="#connect/1"><code·class="inline">connect/1,2</code></a>·to·establish·a·connection·to·a·server,·then | 133 | and·with·support·for·RFC·5277,·NETCONF·Event·Notifications.</p><p><a·href=""·id="Connecting"></a></p><p><em>Connecting·to·a·NETCONF·server</em></p><p>Call·<a·href="#connect/1"><code·class="inline">connect/1,2</code></a>·to·establish·a·connection·to·a·server,·then |
| 134 | pass·the·returned·handle·to·<a·href="#session/1"><code·class="inline">session/1-3</code></a>·to·establish·a·NETCONF | 134 | pass·the·returned·handle·to·<a·href="#session/1"><code·class="inline">session/1-3</code></a>·to·establish·a·NETCONF |
| 135 | session·on·a·new·SSH·channel.·Each·call·to·<a·href="#session/1"><code·class="inline">session/1-3</code></a> | 135 | session·on·a·new·SSH·channel.·Each·call·to·<a·href="#session/1"><code·class="inline">session/1-3</code></a> |
| 136 | establishes·a·new·session·on·the·same·connection,·and·results·in·a·hello·message | 136 | establishes·a·new·session·on·the·same·connection,·and·results·in·a·hello·message |
| 137 | to·the·server.</p><p>Alternately,·<a·href="#open/1"><code·class="inline">open/1,2</code></a>·can·be·used·to·establish·a·single·session·on | 137 | to·the·server.</p><p>Alternately,·<a·href="#open/1"><code·class="inline">open/1,2</code></a>·can·be·used·to·establish·a·single·session·on |
| 138 | a·dedicated·connection.·(Or,·equivalently,·<a·href="#only_open/1"><code·class="inline">only_open/1,2</code></a> | 138 | a·dedicated·connection.·(Or,·equivalently,·<a·href="#only_open/1"><code·class="inline">only_open/1,2</code></a> |
| 139 | followed·by·<a·href="#hello/1"><code·class="inline">hello/1-3</code></a>.)</p><p>Connect/session·options·can·be·specified·in·a·configuration·file·with·entries | 139 | followed·by·<a·href="#hello/1"><code·class="inline">hello/1-3</code></a>.)</p><p>Connect/session·options·can·be·specified·in·a·configuration·file·with·entries |
| 140 | like·the·following.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6 | 140 | like·the·following.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9672540013-1">{</span><span·class="nf">server_id</span><span·class="p"·data-group-id="9672540013-2">(</span><span·class="p"·data-group-id="9672540013-2">)</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9672540013-3">[<[·...·truncated·by·diffoscope;·len:·236,·SHA:·2b975bea2e7ea6aa4b574153cef4f676fe06714874e09b88b5fa5593667e95e9·...·]-1">}</span><span·class="p">.</span></code></pre><p>The·<a·href="#t:server_id/0"><code·class="inline">server_id/0</code></a>·or·an·associated·<a·href="ct.html#t:target_name/0"><code·class="inline">ct:target_name/0</code></a>·can·then·be·passed·to |
| 141 | the·aforementioned·functions·to·use·the·referenced·configuration.</p><p><a·href=""·id="Signaling"></a></p><p><em>Signaling</em></p><p>Protocol·operations·in·the·NETCONF·protocol·are·realized·as·remote·procedure | 141 | the·aforementioned·functions·to·use·the·referenced·configuration.</p><p><a·href=""·id="Signaling"></a></p><p><em>Signaling</em></p><p>Protocol·operations·in·the·NETCONF·protocol·are·realized·as·remote·procedure |
| 142 | calls·(RPCs)·from·client·to·server·and·a·corresponding·reply·from·server·to | 142 | calls·(RPCs)·from·client·to·server·and·a·corresponding·reply·from·server·to |
| 143 | client.·RPCs·are·sent·using·like-named·functions·(eg. | 143 | client.·RPCs·are·sent·using·like-named·functions·(eg. |
| 144 | <a·href="#edit_config/3"><code·class="inline">edit_config/3-5</code></a>·to·send·an·edit-config·RPC),·with·the | 144 | <a·href="#edit_config/3"><code·class="inline">edit_config/3-5</code></a>·to·send·an·edit-config·RPC),·with·the |
| 145 | server·reply·as·return·value.·There·are·functions·for·each·RPC·defined·in·RFC | 145 | server·reply·as·return·value.·There·are·functions·for·each·RPC·defined·in·RFC |
| 146 | 6241·and·the·create-subscription·RPC·from·RFC·5277,·all·of·which·are·wrappers·on | 146 | 6241·and·the·create-subscription·RPC·from·RFC·5277,·all·of·which·are·wrappers·on |
| 147 | <a·href="#send_rpc/2"><code·class="inline">send_rpc/2,3</code></a>,·that·can·be·used·to·send·an·arbitrary·RPC·not | 147 | <a·href="#send_rpc/2"><code·class="inline">send_rpc/2,3</code></a>,·that·can·be·used·to·send·an·arbitrary·RPC·not |
| 148 | defined·in·RFC·6241·or·RFC·5277.</p><p>All·of·the·signaling·functions·have·one·variant·with·a·<code·class="inline">Timeout</code>·argument·and | 148 | defined·in·RFC·6241·or·RFC·5277.</p><p>All·of·the·signaling·functions·have·one·variant·with·a·<code·class="inline">Timeout</code>·argument·and |
| 149 | one·without,·corresponding·to·an·infinite·timeout.·The·latter·is·inappropriate | 149 | one·without,·corresponding·to·an·infinite·timeout.·The·latter·is·inappropriate |
| 150 | in·most·cases·since·a·non-response·by·the·server·or·a·missing·message-id·causes | 150 | in·most·cases·since·a·non-response·by·the·server·or·a·missing·message-id·causes |
| 151 | the·call·to·hang·indefinitely.</p><p><a·href=""·id="Logging"></a></p><p><em>Logging</em></p><p>The·NETCONF·server·uses·<code·class="inline">error_logger</code>·for·logging·of·NETCONF·traffic.·A·special | 151 | the·call·to·hang·indefinitely.</p><p><a·href=""·id="Logging"></a></p><p><em>Logging</em></p><p>The·NETCONF·server·uses·<code·class="inline">error_logger</code>·for·logging·of·NETCONF·traffic.·A·special |
| 152 | purpose·error·handler·is·implemented·in·<code·class="inline">ct_conn_log_h</code>.·To·use·this·error | 152 | purpose·error·handler·is·implemented·in·<code·class="inline">ct_conn_log_h</code>.·To·use·this·error |
| 153 | handler,·add·the·<code·class="inline">cth_conn_log</code>·hook·in·the·test·suite,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id=" | 153 | handler,·add·the·<code·class="inline">cth_conn_log</code>·hook·in·the·test·suite,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="8798749140-1">(</span><span·class="p"·data-group-id="8798749140-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 154 | ····</span><span·class="p"·data-group-id=" | 154 | ····</span><span·class="p"·data-group-id="8798749140-2">[</span><span·class="p"·data-group-id="8798749140-3">{</span><span·class="ss">ct_hooks</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8798749140-4">[</span><span·class="p"·data-group-id="8798749140-5">{</[·...·truncated·by·diffoscope;·len:·937,·SHA:·d9dc1461f67e56fa0d1a719961e83fa55260a38f30fb7ca0f3bb3f2aeb25d625·...·]-2">]</span><span·class="p">.</span></code></pre><p><code·class="inline">conn_log_mod()</code>·is·the·name·of·the·<code·class="inline">Common·Test</code>·module·implementing·the |
| 155 | connection·protocol,·for·example,·<code·class="inline">ct_netconfc</code>.</p><p>Hook·option·<code·class="inline">log_type</code>·specifies·the·type·of·logging:</p><ul><li><p><strong><code·class="inline">raw</code></strong>·-·The·sent·and·received·NETCONF·data·is·logged·to·a·separate·text | 155 | connection·protocol,·for·example,·<code·class="inline">ct_netconfc</code>.</p><p>Hook·option·<code·class="inline">log_type</code>·specifies·the·type·of·logging:</p><ul><li><p><strong><code·class="inline">raw</code></strong>·-·The·sent·and·received·NETCONF·data·is·logged·to·a·separate·text |
| 156 | file·"as·is"·without·any·formatting.·A·link·to·the·file·is·added·to·the·test | 156 | file·"as·is"·without·any·formatting.·A·link·to·the·file·is·added·to·the·test |
| 157 | case·HTML·log.</p></li><li><p><strong><code·class="inline">pretty</code></strong>·-·The·sent·and·received·NETCONF·data·is·logged·to·a·separate·text | 157 | case·HTML·log.</p></li><li><p><strong><code·class="inline">pretty</code></strong>·-·The·sent·and·received·NETCONF·data·is·logged·to·a·separate·text |
| 158 | file·with·XML·data·nicely·indented.·A·link·to·the·file·is·added·to·the·test | 158 | file·with·XML·data·nicely·indented.·A·link·to·the·file·is·added·to·the·test |
| 159 | case·HTML·log.</p></li><li><p><strong><code·class="inline">html·(default)</code></strong>·-·The·sent·and·received·NETCONF·traffic·is·pretty·printed | 159 | case·HTML·log.</p></li><li><p><strong><code·class="inline">html·(default)</code></strong>·-·The·sent·and·received·NETCONF·traffic·is·pretty·printed |
| 160 | directly·in·the·test·case·HTML·log.</p></li><li><p><strong><code·class="inline">silent</code></strong>·-·NETCONF·traffic·is·not·logged.</p></li></ul><p>By·default,·all·NETCONF·traffic·is·logged·in·one·single·log·file.·However, | 160 | directly·in·the·test·case·HTML·log.</p></li><li><p><strong><code·class="inline">silent</code></strong>·-·NETCONF·traffic·is·not·logged.</p></li></ul><p>By·default,·all·NETCONF·traffic·is·logged·in·one·single·log·file.·However, |
| 161 | different·connections·can·be·logged·in·separate·files.·To·do·this,·use·hook | 161 | different·connections·can·be·logged·in·separate·files.·To·do·this,·use·hook |
| 162 | option·<code·class="inline">hosts</code>·and·list·the·names·of·the·servers/connections·to·be·used·in·the | 162 | option·<code·class="inline">hosts</code>·and·list·the·names·of·the·servers/connections·to·be·used·in·the |
| 163 | suite.·The·connections·must·be·named·for·this·to·work,·that·is,·they·must·be | 163 | suite.·The·connections·must·be·named·for·this·to·work,·that·is,·they·must·be |
| 164 | opened·with·<a·href="#open/2"><code·class="inline">open/2</code></a>.</p><p>Option·<code·class="inline">hosts</code>·has·no·effect·if·<code·class="inline">log_type</code>·is·set·to·<code·class="inline">html</code>·or·<code·class="inline">silent</code>.</p><p>The·hook·options·can·also·be·specified·in·a·configuration·file·with | 164 | opened·with·<a·href="#open/2"><code·class="inline">open/2</code></a>.</p><p>Option·<code·class="inline">hosts</code>·has·no·effect·if·<code·class="inline">log_type</code>·is·set·to·<code·class="inline">html</code>·or·<code·class="inline">silent</code>.</p><p>The·hook·options·can·also·be·specified·in·a·configuration·file·with |
| 165 | configuration·variable·<code·class="inline">ct_conn_log</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0207731635-1">{</span><span·class="ss">ct_conn_log</span><span·class="p">,</span><span·class="p"·data-group-id="0207731635-2">[</span><span·class="p"·data-group-id="0207731635-3">{</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">conn_log_mod</span><span·class="p"·data-group-id="0207731635-4">(</span><span·class="p"·data-group-id="0207731635-4">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">conn_log_options</span><span·class="p"·data-group-id="0207731635-5">(</span><span·class="p"·data-group-id="0207731635-5">)</span><span·class="p"·data-group-id="0207731635-3">}</span><span·class="p"·data-group-id="0207731635-2">]</span><span·class="p"·data-group-id="0207731635-1">}</span><span·class="p">.</span></code></pre><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5259710250-1">{</span><span·class="ss">ct_conn_log</span><span·class="p">,</span><span·class="p"·data-group-id="5259710250-2">[</span><span·class="p"·data-group-id="5259710250-3">{</span><span·class="ss">ct_netconfc</span><span·class="p">,</span><span·class="p"·data-group-id="5259710250-4">[</span><span·class="p"·data-group-id="5259710250-5">{</span><span·class="ss">log_type</span><span·class="p">,</span><span·class="ss">pretty</span><span·class="p"·data-group-id="5259710250-5">}</span><span·class="p">,</span><span·class="w"> | ||
| 166 | 165 | configuration·variable·<code·class="inline">ct_conn_log</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9501305342-1">{</span><span·class="ss">ct_conn_log</span><span·class="p">,</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·1338,·SHA:·78fa2c94283a67c1ad71c4bf4dd359ccbaa8688cae4a719d700966bda0775074·...·] | |
| 166 | ····························</span><span·class="p"·data-group-id="4885300343-6">{</span><span·class="ss">hosts</span><span·class="p">,</span><span·class="p"·data-group-id="4885300343-7">[</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">key_or_name</span><span·class="p"·data-group-id="4885300343-8">(</span><span·class="p"·data-group-id="4885300343-8">)</span><span·class="p"·data-group-id="4885300343-7">]</span><span·class="p"·data-group-id="4885300343-6">}</span><span·class="p"·data-group-id="4885300343-4">]</span><span·class="p"·data-group-id="4885300343-3">}</span><span·class="p"·data-group-id="4885300343-2">]</span><span·class="p"·data-group-id="4885300343-1">}</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Hook·options·specified·in·a·configuration·file·overwrite·the·hard-coded·hook | ||
| 167 | options·in·the·test·suite.</p></section><p><em>Logging·Example·1:</em></p><p><a·href=""·id="Logging_example_1"></a></p><p>The·following·<code·class="inline">ct_hooks</code>·statement·causes·pretty·printing·of·NETCONF·traffic·to | 167 | options·in·the·test·suite.</p></section><p><em>Logging·Example·1:</em></p><p><a·href=""·id="Logging_example_1"></a></p><p>The·following·<code·class="inline">ct_hooks</code>·statement·causes·pretty·printing·of·NETCONF·traffic·to |
| 168 | separate·logs·for·the·connections·named·<code·class="inline">nc_server1</code>·and·<code·class="inline">nc_server2</code>.·Any·other | 168 | separate·logs·for·the·connections·named·<code·class="inline">nc_server1</code>·and·<code·class="inline">nc_server2</code>.·Any·other |
| 169 | connections·are·logged·to·default·NETCONF·log.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id=" | 169 | connections·are·logged·to·default·NETCONF·log.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="7994130238-1">(</span><span·class="p"·data-group-id="7994130238-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 170 | ···</span><span·class="p"·data-group-id=" | 170 | ···</span><span·class="p"·data-group-id="7994130238-2">[</span><span·class="p"·data-group-id="7994130238-3">{</span><span·class="ss">ct_hooks</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7994130238-4">[</span><span·class="p"·data-group-id="7994130238-5">{</[·...·truncated·by·diffoscope;·len:·486,·SHA:·481e5d2c6556be4879b8fb43993b8f07dbd9cd1af8f0fd188a77a3b710e5952f·...·]8-9">}</span><span·class="p">}</span><span·class="p">,</span><span·class="w"> |
| 171 | ··············································</span><span·class="p"·data-group-id=" | 171 | ··············································</span><span·class="p"·data-group-id="7994130238-10">{</span><span·class="ss">hosts</span><span·class="p">,</span><span·class="p"·data-group-id="7994130238-11">[</span><span·class="ss">nc_server1</span><span·class="p">,</span><span·class="ss">nc_server2</span><span·class="p"·data-group-id="799[·...·truncated·by·diffoscope;·len:·167,·SHA:·24d7d9a94e6d2b3db230a149dc8644ef6d761e00a834d45141da8134ef949c83·...·]8-7">}</span><span·class="w"> |
| 172 | ·······························</span><span·class="p"·data-group-id="3030218498-6">]</span><span·class="p"·data-group-id="3030218498-5">}</span><span·class="p"·data-group-id="3030218498-4">]</span><span·class="p"·data-group-id="3030218498-3">}</span><span·class="p"·data-group-id="3030218498-2">]</span><span·class="p">.</span></code></pre><p>Connections·must·be·opened·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">open</span><span·class="p"·data-group-id="8861819185-1">(</span><span·class="ss">nc_server1</span><span·class="p">,</span><span·class="p"·data-group-id="8861819185-2">[</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="8861819185-2">]</span><span·class="p"·data-group-id="8861819185-1">)</span><span·class="p">,</span><span·class="w"> | ||
| 173 | </span><span·class="nf">open</span><span·class="p"·data-group-id="8861819185-3">(</span><span·class="ss">nc_server2</span><span·class="p">,</span><span·class="p"·data-group-id="8861819185-4">[</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="8861819185-4">]</span><span·class="p"·data-group-id="8861819185-3">)</span><span·class="p">.</span></code></pre><p><em>Logging·Example·2:</em></p><p><a·href=""·id="Logging_example_2"></a></p><p>The·following·configuration·file·causes·raw·logging·of·all·NETCONF·traffic·in·to | ||
| 174 | one·single·text·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0443213628-1">{</span><span·class="ss">ct_conn_log</span><span·class="p">,</span><span·class="p"·data-group-id="0443213628-2">[</span><span·class="p"·data-group-id="0443213628-3">{</span><span·class="ss">ct_netconfc</span><span·class="p">,</span><span·class="p"·data-group-id="0443213628-4">[</span><span·class="p"·data-group-id="0443213628-5">{</span><span·class="ss">log_type</span><span·class="p">,</span><span·class="ss">raw</span><span·class="p"·data-group-id="0443213628-5">}</span><span·class="p"·data-group-id="0443213628-4">]</span><span·class="p"·data-group-id="0443213628-3">}</span><span·class="p"·data-group-id="0443213628-2">]</span><span·class="p"·data-group-id="0443213628-1">}</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">ct_hooks</code>·statement·must·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="0905832513-1">(</span><span·class="p"·data-group-id="0905832513-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 175 | ····</span><span·class="p"·data-group-id=" | 172 | ·······························</span><span·class="p"·data-group-id="7994130238-6">]</span><span·class="p"·data-group-id="7994130238-5">}</span><span·class="p"·data-group-id="7994130238-4">]</span><span·class="p"·data-group-id="7994130238-3">}</span><span·clas[·...·truncated·by·diffoscope;·len:·583,·SHA:·1d0850fbf6ca558f7cf4f30c6682863e1dabb8b020af5d025b8efd3b747013d3·...·] |
| 173 | </span><span·class="nf">open</span><span·class="p"·data-group-id="1225694123-3">(</span><span·class="ss">nc_server2</span><span·class="p">,</span><span·class="p"·data-group-id="1225694123-4">[</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="1225694123-4">]</span><span·class="p"·data-group-id="1225694123-3">)</span><span·class="p">.</span></code></pre><p><em>Logging·Example·2:</em></p><p><a·href=""·id="Logging_example_2"></a></p><p>The·following·configuration·file·causes·raw·logging·of·all·NETCONF·traffic·in·to | ||
| 174 | one·single·text·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4445740239-1">{</span><span·class="ss">ct_conn_log</span><span·class="p">,</span><span·class="p"·data-group-id="4445740239-2">[</span><span·class="p"·data-group-id="4445740239-3">{</span><span·class="ss">ct_netconfc</span><span·class="p">,</span><span·class="p"·data-group-id="4445740239-4">[</span><span·class="p"·data-group-id="4445740239-5">{</span><span·class="ss">log_type</span><span·class="p">,</span><span·class="ss">raw</span><span·class="p"·data-group-id="4445740239-5">}</span><span·class="p"·data-group-id="4445740239-4">]</span><span·class="p"·data-group-id="4445740239-3">}</span><span·class="p"·data-group-id="4445740239-2">]</span><span·class="p"·data-group-id="4445740239-1">}</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">ct_hooks</code>·statement·must·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="6849514114-1">(</span><span·class="p"·data-group-id="6849514114-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 175 | ····</span><span·class="p"·data-group-id="6849514114-2">[</span><span·class="p"·data-group-id="6849514114-3">{</span><span·class="ss">ct_hooks</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6849514114-4">[</span><span·class="p"·data-group-id="6849514114-5">{</span><span·class="ss">cth_conn_log</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6849514114-6">[</span><span·class="p"·data-group-id="6849514114-6">]</span><span·class="p"·data-group-id="6849514114-5">}</span><span·class="p"·data-group-id="6849514114-4">]</span><span·class="p"·data-group-id="6849514114-3">}</span><span·class="p"·data-group-id="6849514114-2">]</span><span·class="p">.</span></code></pre><p>The·same·<code·class="inline">ct_hooks</code>·statement·without·the·configuration·file·would·cause·HTML | ||
| 176 | logging·of·all·NETCONF·connections·in·to·the·test·case·HTML·log.</p> | 176 | logging·of·all·NETCONF·connections·in·to·the·test·case·HTML·log.</p> |
| 177 | ····</section> | 177 | ····</section> |
| 178 | </div> | 178 | </div> |
| 179 | ··<section·id="summary"·class="details-list"> | 179 | ··<section·id="summary"·class="details-list"> |
| 180 | ····<h1·class="section-heading"> | 180 | ····<h1·class="section-heading"> |
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| 2097 | ·························Result·::·ok·|·{error,·<a·href="#t:error_reason/0">error_reason</a>()}.</pre> | 2097 | ·························Result·::·ok·|·{error,·<a·href="#t:error_reason/0">error_reason</a>()}.</pre> |
| 2098 | ······</div> | 2098 | ······</div> |
| 2099 | <p>Edits·configuration·data.</p><p>By·default·only·the·running·target·is·available,·unless·the·server·includes | 2099 | <p>Edits·configuration·data.</p><p>By·default·only·the·running·target·is·available,·unless·the·server·includes |
| 2100 | <code·class="inline">:candidate</code>·or·<code·class="inline">:startup</code>·in·its·list·of·capabilities.</p><p><code·class="inline">OptParams</code>·can·be·used·for·specifying·optional·parameters·(<code·class="inline">default-operation</code>, | 2100 | <code·class="inline">:candidate</code>·or·<code·class="inline">:startup</code>·in·its·list·of·capabilities.</p><p><code·class="inline">OptParams</code>·can·be·used·for·specifying·optional·parameters·(<code·class="inline">default-operation</code>, |
| 2101 | <code·class="inline">test-option</code>,·or·<code·class="inline">error-option</code>)·to·be·added·to·the·<code·class="inline">edit-config</code>·request.·The | 2101 | <code·class="inline">test-option</code>,·or·<code·class="inline">error-option</code>)·to·be·added·to·the·<code·class="inline">edit-config</code>·request.·The |
| 2102 | value·must·be·a·list·containing·valid·simple·XML,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 2102 | value·must·be·a·list·containing·valid·simple·XML,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0705298379-1">[</span><span·class="p"·data-group-id="0705298379-2">{</span><span·class="ss">'default-operation'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0705298379-3">[</span><span·class="s">"none&qu[·...·truncated·by·diffoscope;·len:·104,·SHA:·ec6223259f5e5b22f1ff5579ede6880d8ccc9a49698008ac60b146b2afa3db07·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 2103 | ·</span><span·class="p"·data-group-id=" | 2103 | ·</span><span·class="p"·data-group-id="0705298379-4">{</span><span·class="ss">'error-option'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0705298379-5">[</span><span·class="s">"rollback-on-error"</span><span·class="p"·data-group-id="0705[·...·truncated·by·diffoscope;·len:·112,·SHA:·d1ab30e004d4314c5696c7f7e2a97d49d3934e57c8fe90f1b9ef5e65fa0cde40·...·]-1">]</span></code></pre><p>If·<code·class="inline">OptParams</code>·is·not·given,·the·default·value·<code·class="inline">[]</code>·is·used.</p> |
| 2104 | ··</section> | 2104 | ··</section> |
| 2105 | </section> | 2105 | </section> |
| 2106 | <section·class="detail"·id="get/2"> | 2106 | <section·class="detail"·id="get/2"> |
| 2107 | ··<div·class="detail-header"> | 2107 | ··<div·class="detail-header"> |
| 2108 | ····<a·href="#get/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 2108 | ····<a·href="#get/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 2109 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 2109 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 3158, 15 lines modified | Offset 3158, 15 lines modified | ||
| 3158 | ······<p·class="built-using"> | 3158 | ······<p·class="built-using"> |
| 3159 | ········Built·using | 3159 | ········Built·using |
| 3160 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3160 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3161 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3161 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3162 | ······</p> | 3162 | ······</p> |
| 3163 | <p>Copyright·©·1996-202 | 3163 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3164 | ····</footer> | 3164 | ····</footer> |
| 3165 | ··</div> | 3165 | ··</div> |
| 3166 | </main> | 3166 | </main> |
| 3167 | </div> | 3167 | </div> |
| 3168 | <script> | 3168 | <script> |
| 3169 | ··function·mermaidLoaded()·{ | 3169 | ··function·mermaidLoaded()·{ |
| 3170 | ····mermaid.initialize({ | 3170 | ····mermaid.initialize({ |
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| 131 | <p>Support·in·Common·Test·for·running·property-based·tests.</p><p>This·module·helps·running·property-based·tests·in·the·<code·class="inline">Common·Test</code>·framework. | 131 | <p>Support·in·Common·Test·for·running·property-based·tests.</p><p>This·module·helps·running·property-based·tests·in·the·<code·class="inline">Common·Test</code>·framework. |
| 132 | One·(or·more)·of·the·property·testing·tools</p><ul><li><a·href="http://www.quviq.com">QuickCheck</a>,</li><li><a·href="https://proper-testing.github.io">PropEr</a>·or</li><li><a·href="https://github.com/krestenkrab/triq">Triq</a></li></ul><p>is·assumed·to·be·installed.</p><p>The·idea·with·this·module·is·to·have·a·<code·class="inline">Common·Test</code>·test·suite·calling·a | 132 | One·(or·more)·of·the·property·testing·tools</p><ul><li><a·href="http://www.quviq.com">QuickCheck</a>,</li><li><a·href="https://proper-testing.github.io">PropEr</a>·or</li><li><a·href="https://github.com/krestenkrab/triq">Triq</a></li></ul><p>is·assumed·to·be·installed.</p><p>The·idea·with·this·module·is·to·have·a·<code·class="inline">Common·Test</code>·test·suite·calling·a |
| 133 | property·testing·tool·with·special·property·test·suites·as·defined·by·that·tool. | 133 | property·testing·tool·with·special·property·test·suites·as·defined·by·that·tool. |
| 134 | The·tests·are·collected·in·the·<code·class="inline">test</code>·directory·of·the·application.·The·<code·class="inline">test</code> | 134 | The·tests·are·collected·in·the·<code·class="inline">test</code>·directory·of·the·application.·The·<code·class="inline">test</code> |
| 135 | directory·has·a·subdirectory·<code·class="inline">property_test</code>,·where·everything·needed·for·the | 135 | directory·has·a·subdirectory·<code·class="inline">property_test</code>,·where·everything·needed·for·the |
| 136 | property·tests·are·collected.·The·usual·Erlang·application·directory·structure | 136 | property·tests·are·collected.·The·usual·Erlang·application·directory·structure |
| 137 | is·assumed.</p><p>A·typical·<code·class="inline">Common·Test</code>·test·suite·using·<code·class="inline">ct_property_test</code>·is·organized·as | 137 | is·assumed.</p><p>A·typical·<code·class="inline">Common·Test</code>·test·suite·using·<code·class="inline">ct_property_test</code>·is·organized·as |
| 138 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="5 | 138 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="5647908363-1">(</span><span·class="ss">my_prop_test_SUITE</span><span·class="p"·data-group-id="5647908363-1">)</span><span·class="p">.</span><span·class="w"> |
| 139 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="5 | 139 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="5647908363-2">(</span><span·class="ss">export_all</span><span·class="p"·data-group-id="5647908363-2">)</span><span·class="p">.</span><span·class="w"> |
| 140 | </span><span·class="w"> | 140 | </span><span·class="w"> |
| 141 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="5 | 141 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="5647908363-3">(</span><span·class="s">"common_test/include/ct.hrl"</span><span·class="p"·data-group-id="5647908363-3">)</span><span·class="p">.</span><span·class="w"> |
| 142 | </span><span·class="nf">all</span><span·class="p"·data-group-id="5 | 142 | </span><span·class="nf">all</span><span·class="p"·data-group-id="5647908363-4">(</span><span·class="p"·data-group-id="5647908363-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="5647908363-5">[</span><span·class="ss">prop_ftp_case</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·25,·SHA:·b1727b693277041614b7b089d6841989d5ab8236f46728ea4d83ccb02e629782·...·]-5">]</span><span·class="p">.</span><span·class="w"> |
| 143 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id="5 | 143 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id="5647908363-6">(</span><span·class="n">Config</span><span·class="p"·data-group-id="5647908363-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 144 | ····</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id="5 | 144 | ····</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id="5647908363-7">(</span><span·class="n">Config</span><span·class="p"·data-group-id="5647908363-7">)</span><span·class="p">.</span><span·class="w"> |
| 145 | </span><span·class="c1">%%%----·test·case</span><span·class="w"> | 145 | </span><span·class="c1">%%%----·test·case</span><span·class="w"> |
| 146 | </span><span·class="nf">prop_ftp_case</span><span·class="p"·data-group-id="5 | 146 | </span><span·class="nf">prop_ftp_case</span><span·class="p"·data-group-id="5647908363-8">(</span><span·class="n">Config</span><span·class="p"·data-group-id="5647908363-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 147 | ····</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">quickcheck</span><span·class="p"·data-group-id="5 | 147 | ····</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">quickcheck</span><span·class="p"·data-group-id="5647908363-9">(</span><span·class="w"> |
| 148 | ······</span><span·class="nc">ftp_simple_client_server</span><span·class="p">:</span><span·class="nf">prop_ftp</span><span·class="p"·data-group-id="5 | 148 | ······</span><span·class="nc">ftp_simple_client_server</span><span·class="p">:</span><span·class="nf">prop_ftp</span><span·class="p"·data-group-id="5647908363-10">(</span><span·class="p"·data-group-id="5647908363-10">)</span><span·class="p">,</span><span·class="w"> |
| 149 | ······</span><span·class="n">Config</span><span·class="w"> | 149 | ······</span><span·class="n">Config</span><span·class="w"> |
| 150 | ·····</span><span·class="p"·data-group-id="5 | 150 | ·····</span><span·class="p"·data-group-id="5647908363-9">)</span><span·class="p">.</span></code></pre><p>and·the·the·property·test·module·(in·this·example |
| 151 | <code·class="inline">ftp_simple_client_server.erl</code>)·as·almost·a·usual·property·testing·module·(More | 151 | <code·class="inline">ftp_simple_client_server.erl</code>)·as·almost·a·usual·property·testing·module·(More |
| 152 | examples·are·in·<a·href="ct_property_test_chapter.html">the·User's·Guide</a>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 152 | examples·are·in·<a·href="ct_property_test_chapter.html">the·User's·Guide</a>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4516645760-1">(</span><span·class="ss">ftp_simple_client_server</span><span·class="p"·data-group-id="4516645760-1">)</span><span·class="p">.</span><span·class="w"> |
| 153 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 153 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="4516645760-2">(</span><span·class="p"·data-group-id="4516645760-3">[</span><span·class="ss">prop_ftp</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·66,·SHA:·74d0e3ff1c09f95e429c03a4d43e22fb307b08eb729f4f217153b7fc31e0a25f·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="w"> | 154 | </span><span·class="w"> |
| 155 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 155 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="4516645760-4">(</span><span·class="s">"common_test/include/ct_property_test.hrl"</span><span·class="p"·data-group-id="4516645760-4">)</span><span·class="p">.</span><span·class="w"> |
| 156 | </span><span·class="nf">prop_ftp</span><span·class="p"·data-group-id=" | 156 | </span><span·class="nf">prop_ftp</span><span·class="p"·data-group-id="4516645760-5">(</span><span·class="p"·data-group-id="4516645760-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 157 | ····</span><span·class="o">?</span><span·class="n">FORALL</span><span·class="p"·data-group-id=" | 157 | ····</span><span·class="o">?</span><span·class="n">FORALL</span><span·class="p"·data-group-id="4516645760-6">(</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre> |
| 158 | ····</section> | 158 | ····</section> |
| 159 | </div> | 159 | </div> |
| 160 | ··<section·id="summary"·class="details-list"> | 160 | ··<section·id="summary"·class="details-list"> |
| 161 | ····<h1·class="section-heading"> | 161 | ····<h1·class="section-heading"> |
| 162 | ······<a·class="hover-link"·href="#summary"> | 162 | ······<a·class="hover-link"·href="#summary"> |
| Offset 842, 15 lines modified | Offset 842, 15 lines modified | ||
| 842 | <code·class="inline">{fail,·Explanation}</code>.</p><p>If·support·is·found,·the·option·<code·class="inline">{property_test_tool,ToolModule}</code>·with·the | 842 | <code·class="inline">{fail,·Explanation}</code>.</p><p>If·support·is·found,·the·option·<code·class="inline">{property_test_tool,ToolModule}</code>·with·the |
| 843 | selected·tool·main·module·name·(<code·class="inline">eqc</code>,·<code·class="inline">proper</code>·or·<code·class="inline">triq</code>)·is·added·to·the·list | 843 | selected·tool·main·module·name·(<code·class="inline">eqc</code>,·<code·class="inline">proper</code>·or·<code·class="inline">triq</code>)·is·added·to·the·list |
| 844 | <code·class="inline">Config</code>·which·then·is·returned.</p><p>The·property·tests·are·assumed·to·be·in·a·subdirectory·named·<code·class="inline">property_test</code>. | 844 | <code·class="inline">Config</code>·which·then·is·returned.</p><p>The·property·tests·are·assumed·to·be·in·a·subdirectory·named·<code·class="inline">property_test</code>. |
| 845 | All·found·Erlang·files·in·that·directory·are·compiled·with·one·of·the·macros | 845 | All·found·Erlang·files·in·that·directory·are·compiled·with·one·of·the·macros |
| 846 | <code·class="inline">'EQC'</code>,·<code·class="inline">'PROPER'</code>·or·<code·class="inline">'TRIQ'</code>·set,·depending·on·which·tool·that·is·first | 846 | <code·class="inline">'EQC'</code>,·<code·class="inline">'PROPER'</code>·or·<code·class="inline">'TRIQ'</code>·set,·depending·on·which·tool·that·is·first |
| 847 | found.·This·could·make·parts·of·the·Erlang·property·tests·code·to·be·included·or | 847 | found.·This·could·make·parts·of·the·Erlang·property·tests·code·to·be·included·or |
| 848 | excluded·with·the·macro·directives·<code·class="inline">-ifdef(Macro).</code>·or·<code·class="inline">-ifndef(Macro).</code>.</p><p>The·file(s)·in·the·<code·class="inline">property_test</code>·subdirectory·could,·or·should,·include·the | 848 | excluded·with·the·macro·directives·<code·class="inline">-ifdef(Macro).</code>·or·<code·class="inline">-ifndef(Macro).</code>.</p><p>The·file(s)·in·the·<code·class="inline">property_test</code>·subdirectory·could,·or·should,·include·the |
| 849 | ct_property_test·include·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 849 | ct_property_test·include·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="2297225089-1">(</span><span·class="s">"common_test/include/ct_property_test.hrl"</span><span·class="p"·data-group-id="2297225089-1">)</span><span·class="p">.</span></code></pre><p>This·included·file·will:</p><ul><li>Include·the·correct·tool's·include·file</li><li>Set·the·macro·<code·class="inline">'MOD_eqc'</code>·to·the·correct·module·name·for·the·selected·tool. |
| 850 | That·is,·the·macro·<code·class="inline">'MOD_eqc'</code>·is·set·to·either·<code·class="inline">eqc</code>,·<code·class="inline">proper</code>·or·<code·class="inline">triq</code>.</li></ul> | 850 | That·is,·the·macro·<code·class="inline">'MOD_eqc'</code>·is·set·to·either·<code·class="inline">eqc</code>,·<code·class="inline">proper</code>·or·<code·class="inline">triq</code>.</li></ul> |
| 851 | ··</section> | 851 | ··</section> |
| 852 | </section> | 852 | </section> |
| 853 | <section·class="detail"·id="num_calls/1"> | 853 | <section·class="detail"·id="num_calls/1"> |
| 854 | ··<div·class="detail-header"> | 854 | ··<div·class="detail-header"> |
| 855 | ····<a·href="#num_calls/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 855 | ····<a·href="#num_calls/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 947, 34 lines modified | Offset 947, 34 lines modified | ||
| 947 | ····························Config·::·<a·href="../../../../lib/stdlib-6.2.1/doc/html/proplists.html#t:proplist/0">proplists:proplist</a>(), | 947 | ····························Config·::·<a·href="../../../../lib/stdlib-6.2.1/doc/html/proplists.html#t:proplist/0">proplists:proplist</a>(), |
| 948 | ····························Options0·::·<a·href="../../../../lib/stdlib-6.2.1/doc/html/proplists.html#t:proplist/0">proplists:proplist</a>().</pre> | 948 | ····························Options0·::·<a·href="../../../../lib/stdlib-6.2.1/doc/html/proplists.html#t:proplist/0">proplists:proplist</a>().</pre> |
| 949 | ······</div> | 949 | ······</div> |
| 950 | <p>Presents·the·result·of·<em>stateful·(statem)·property·testing</em>·using·the·aggregate | 950 | <p>Presents·the·result·of·<em>stateful·(statem)·property·testing</em>·using·the·aggregate |
| 951 | function·in·PropEr,·QuickCheck·or·other·similar·property·testing·tool.</p><p>It·is·assumed·to·be·called·inside·the·property·called·by·<a·href="#quickcheck/2"><code·class="inline">quickcheck/2</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 951 | function·in·PropEr,·QuickCheck·or·other·similar·property·testing·tool.</p><p>It·is·assumed·to·be·called·inside·the·property·called·by·<a·href="#quickcheck/2"><code·class="inline">quickcheck/2</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 952 | </span><span·class="n">RunResult</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">run_parallel_commands</span><span·class="p"·data-group-id=" | 952 | </span><span·class="n">RunResult</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">run_parallel_commands</span><span·class="p"·data-group-id="3269407878-1">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cmds</span><span·class="p"·data-group-id="3269407878-1">)</span><span·class="p">,</span><span·class="w"> |
| 953 | </span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">present_result</span><span·class="p"·data-group-id=" | 953 | </span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">present_result</span><span·class="p"·data-group-id="3269407878-2">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cmds</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RunResult</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·92,·SHA:·a4f0e68dc284de008ebcc88bfdf22a2b1f83c74b2afd87a5eafbf63471bacc46·...·]-2">)</span><span·class="w"> |
| 954 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>See·the·<a·href="ct_property_test_chapter.html#stateful1">User's·Guide</a>·for·an·example·of | 954 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>See·the·<a·href="ct_property_test_chapter.html#stateful1">User's·Guide</a>·for·an·example·of |
| 955 | the·usage·and·of·the·default·printout.</p><p>The·<code·class="inline">StatisticsSpec</code>·is·a·list·of·the·tuples:</p><ul><li><code·class="inline">{Title::string(),·CollectFun::fun/1}</code></li><li><code·class="inline">{Title::string(),·FrequencyFun::/0,·CollectFun::fun/1}</code></li></ul><p>Each·tuple·will·produce·one·table·in·the·order·of·their·places·in·the·list.</p><ul><li><p><code·class="inline">Title</code>·will·be·the·title·of·one·result·table</p></li><li><p><code·class="inline">CollectFun</code>·is·called·with·one·argument:·the·<code·class="inline">Cmds</code>.·It·should·return·a·list | 955 | the·usage·and·of·the·default·printout.</p><p>The·<code·class="inline">StatisticsSpec</code>·is·a·list·of·the·tuples:</p><ul><li><code·class="inline">{Title::string(),·CollectFun::fun/1}</code></li><li><code·class="inline">{Title::string(),·FrequencyFun::/0,·CollectFun::fun/1}</code></li></ul><p>Each·tuple·will·produce·one·table·in·the·order·of·their·places·in·the·list.</p><ul><li><p><code·class="inline">Title</code>·will·be·the·title·of·one·result·table</p></li><li><p><code·class="inline">CollectFun</code>·is·called·with·one·argument:·the·<code·class="inline">Cmds</code>.·It·should·return·a·list |
| 956 | of·the·values·to·be·counted.·The·following·pre-defined·functions·exist:</p><ul><li><a·href="#cmnd_names/1"><code·class="inline">ct_property_test:cmnd_names/1</code></a>·returns·a·list·of·commands·(function·calls) | 956 | of·the·values·to·be·counted.·The·following·pre-defined·functions·exist:</p><ul><li><a·href="#cmnd_names/1"><code·class="inline">ct_property_test:cmnd_names/1</code></a>·returns·a·list·of·commands·(function·calls) |
| 957 | generated·in·the·<code·class="inline">Cmnd</code>·sequence,·without·Module,·Arguments·and·other | 957 | generated·in·the·<code·class="inline">Cmnd</code>·sequence,·without·Module,·Arguments·and·other |
| 958 | details.</li><li><a·href="#num_calls/1"><code·class="inline">ct_property_test:num_calls/1</code></a>·returns·a·list·of·the·length·of·commands | 958 | details.</li><li><a·href="#num_calls/1"><code·class="inline">ct_property_test:num_calls/1</code></a>·returns·a·list·of·the·length·of·commands |
| 959 | lists</li><li><a·href="#sequential_parallel/1"><code·class="inline">ct_property_test:sequential_parallel/1</code></a>·returns·a·list·with·information | 959 | lists</li><li><a·href="#sequential_parallel/1"><code·class="inline">ct_property_test:sequential_parallel/1</code></a>·returns·a·list·with·information |
| 960 | about·sequential·and·parallel·parts·from·<code·class="inline">Tool:parallel_commands/1,2</code></li></ul></li><li><p><code·class="inline">FrequencyFun/0</code>·returns·a·fun/1·which·is·supposed·to·take·a·list·of·items·as | 960 | about·sequential·and·parallel·parts·from·<code·class="inline">Tool:parallel_commands/1,2</code></li></ul></li><li><p><code·class="inline">FrequencyFun/0</code>·returns·a·fun/1·which·is·supposed·to·take·a·list·of·items·as |
| 961 | input,·and·return·an·iolist·which·will·be·printed·as·the·table.·Per·default, | 961 | input,·and·return·an·iolist·which·will·be·printed·as·the·table.·Per·default, |
| 962 | the·number·of·each·item·is·counted·and·the·percentage·is·printed·for·each.·The | 962 | the·number·of·each·item·is·counted·and·the·percentage·is·printed·for·each.·The |
| 963 | list·[a,b,a,a,c]·could·for·example·return</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 963 | list·[a,b,a,a,c]·could·for·example·return</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1103956631-1">[</span><span·class="s">"a·60%\n"</span><span·class="p">,</span><span·class="s">"b·20%\n"</span><span·class="p">,</span><span·class="s">"c·20%\n"</span><span·class="p"·data-group-id="1103956631-1">]</span></code></pre><p>which·will·be·printed·by·the·<code·class="inline">print_fun</code>.·The·default·<code·class="inline">print_fun</code>·will·print |
| 964 | it·as:</p><pre><code·class="text">a·60% | 964 | it·as:</p><pre><code·class="text">a·60% |
| 965 | b·20% | 965 | b·20% |
| 966 | c·20%</code></pre></li></ul><p>The·default·<code·class="inline">StatisticsSpec</code>·is:</p><ul><li><p>For·sequential·commands:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 966 | c·20%</code></pre></li></ul><p>The·default·<code·class="inline">StatisticsSpec</code>·is:</p><ul><li><p>For·sequential·commands:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7987041171-1">[</span><span·class="p"·data-group-id="7987041171-2">{</span><span·class="s">"Function·calls"</span><span·class="p">,</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">cmnd_names</span>[·...·truncated·by·diffoscope;·len:·90,·SHA:·7829dbc36c38468706e0719a408db627c59943a3cccef75b03e53e8a40f48279·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 967 | ·</span><span·class="p"·data-group-id=" | 967 | ·</span><span·class="p"·data-group-id="7987041171-3">{</span><span·class="s">"Length·of·command·sequences"</span><span·class="p">,</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">print_frequency_ranges</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 968 | ··················································</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">num_calls</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id=" | 968 | ··················································</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">num_calls</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="7987041171-3">}</span><span·class="p"·data-group-id="7987041171-1">]</span></code></pre></li><li><p>For·parallel·commands:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0162843418-1">[</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·322,·SHA:·75751f5c7df521461902584802c5ad87e14d59a003e54a67603da4b1584f5ee7·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 969 | ·</span><span·class="p"·data-group-id=" | 969 | ·</span><span·class="p"·data-group-id="0162843418-3">{</span><span·class="s">"Function·calls"</span><span·class="p">,</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">cmnd_names</span><span·class="p">/</span><span·class="mi">1</span><spa[·...·truncated·by·diffoscope;·len:·37,·SHA:·62e9bf911a3733c9f3c8839f3b9d542a73e5a7d698b09363b947b9e4414183cd·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 970 | ·</span><span·class="p"·data-group-id=" | 970 | ·</span><span·class="p"·data-group-id="0162843418-4">{</span><span·class="s">"Length·of·command·sequences"</span><span·class="p">,</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">print_frequency_ranges</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 971 | ··················································</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">num_calls</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id=" | 971 | ··················································</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">num_calls</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="0162843418-4">}</span><span·class="p"·data-group-id="0162843418-1">]</span></code></pre></li></ul> |
| 972 | ··</section> | 972 | ··</section> |
| 973 | </section> | 973 | </section> |
| 974 | <section·class="detail"·id="quickcheck/2"> | 974 | <section·class="detail"·id="quickcheck/2"> |
| 975 | ··<div·class="detail-header"> | 975 | ··<div·class="detail-header"> |
| 976 | ····<a·href="#quickcheck/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 976 | ····<a·href="#quickcheck/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 977 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 977 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1055, 15 lines modified | Offset 1055, 15 lines modified | ||
| 1055 | ······<p·class="built-using"> | 1055 | ······<p·class="built-using"> |
| 1056 | ········Built·using | 1056 | ········Built·using |
| 1057 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1057 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1058 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1058 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1059 | ······</p> | 1059 | ······</p> |
| 1060 | <p>Copyright·©·1996-202 | 1060 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1061 | ····</footer> | 1061 | ····</footer> |
| 1062 | ··</div> | 1062 | ··</div> |
| 1063 | </main> | 1063 | </main> |
| 1064 | </div> | 1064 | </div> |
| 1065 | <script> | 1065 | <script> |
| 1066 | ··function·mermaidLoaded()·{ | 1066 | ··function·mermaidLoaded()·{ |
| 1067 | ····mermaid.initialize({ | 1067 | ····mermaid.initialize({ |
| Offset 143, 59 lines modified | Offset 143, 59 lines modified | ||
| 143 | <p>The·<a·href="ct_property_test.html#">ct_property_test</a>·module·does·the·following:</p><ul><li>Compiles·the·files·with·property·tests·in·the·subdirectory·<code·class="inline">property_test</code></li><li>Tests·properties·in·those·files·using·the·first·found·Property·Testing·Tool.</li><li>Saves·the·results·-·that·is·the·printouts·-·in·the·usual·Common·Test·Log</li></ul><h2·id="introductory-example"·class="section-heading"> | 143 | <p>The·<a·href="ct_property_test.html#">ct_property_test</a>·module·does·the·following:</p><ul><li>Compiles·the·files·with·property·tests·in·the·subdirectory·<code·class="inline">property_test</code></li><li>Tests·properties·in·those·files·using·the·first·found·Property·Testing·Tool.</li><li>Saves·the·results·-·that·is·the·printouts·-·in·the·usual·Common·Test·Log</li></ul><h2·id="introductory-example"·class="section-heading"> |
| 144 | ··<a·href="#introductory-example"·class="hover-link"> | 144 | ··<a·href="#introductory-example"·class="hover-link"> |
| 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 146 | ··</a> | 146 | ··</a> |
| 147 | ··<span·class="text">Introductory·Example</span> | 147 | ··<span·class="text">Introductory·Example</span> |
| 148 | </h2> | 148 | </h2> |
| 149 | <p>Assume·that·we·want·to·test·the·lists:sort/1·function.</p><p>We·need·a·property·to·test·the·function.·In·normal·way,·we·create | 149 | <p>Assume·that·we·want·to·test·the·lists:sort/1·function.</p><p>We·need·a·property·to·test·the·function.·In·normal·way,·we·create |
| 150 | <code·class="inline">property_test/ct_prop.erl</code>·module·in·the·<code·class="inline">test</code>·directory·in·our·application:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 150 | <code·class="inline">property_test/ct_prop.erl</code>·module·in·the·<code·class="inline">test</code>·directory·in·our·application:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4005266767-1">(</span><span·class="ss">ct_prop</span><span·class="p"·data-group-id="4005266767-1">)</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 151 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="4005266767-2">(</span><span·class="p"·data-group-id="4005266767-3">[</span><span·class="ss">prop_sort</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="4005266767-3">]</span><span·class="p"·data-group-id="4005266767-2">)</span><span·class="p">.</span><span·class="w"> |
| 152 | </span><span·class="c1">%%%·This·will·include·the·.hrl·file·for·the·installed·testing·tool:</span><span·class="w"> | 152 | </span><span·class="c1">%%%·This·will·include·the·.hrl·file·for·the·installed·testing·tool:</span><span·class="w"> |
| 153 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 153 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="4005266767-4">(</span><span·class="s">"common_test/include/ct_property_test.hrl"</span><span·class="p"·data-group-id="4005266767-4">)</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="c1">%%%·The·property·we·want·to·check:</span><span·class="w"> | 154 | </span><span·class="c1">%%%·The·property·we·want·to·check:</span><span·class="w"> |
| 155 | </span><span·class="c1">%%%···For·all·possibly·unsorted·lists,</span><span·class="w"> | 155 | </span><span·class="c1">%%%···For·all·possibly·unsorted·lists,</span><span·class="w"> |
| 156 | </span><span·class="c1">%%%···the·result·of·lists:sort/1·is·sorted.</span><span·class="w"> | 156 | </span><span·class="c1">%%%···the·result·of·lists:sort/1·is·sorted.</span><span·class="w"> |
| 157 | </span><span·class="nf">prop_sort</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nf">prop_sort</span><span·class="p"·data-group-id="4005266767-5">(</span><span·class="p"·data-group-id="4005266767-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ····</span><span·class="o">?</span><span·class="n">FORALL</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="o">?</span><span·class="n">FORALL</span><span·class="p"·data-group-id="4005266767-6">(</span><span·class="n">UnSorted</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">list</span><span·class="p"·data-group-id="4005266767-7">(</span><span·class="p"·data-group-id="4005266767-7">)</span><span·class="p">,</span><span·class="w"> |
| 159 | ············</span><span·class="nf">is_sorted</span><span·class="p"·data-group-id=" | 159 | ············</span><span·class="nf">is_sorted</span><span·class="p"·data-group-id="4005266767-8">(</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">sort</span><span·class="p"·data-group-id="4005266767-9">(</span><span·class="n">UnSorted</span><span·class="p"·data-group-id="4005266767-9">)</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·24,·SHA:·d1fb4d26950fe60da0163d0b7f8fba3aae9de15c1660cf3c0f9d7ea453dd3c5b·...·]7-8">)</span><span·class="w"> |
| 160 | ···········</span><span·class="p"·data-group-id=" | 160 | ···········</span><span·class="p"·data-group-id="4005266767-6">)</span><span·class="p">.</span><span·class="w"> |
| 161 | </span><span·class="c1">%%%·Function·to·check·that·a·list·is·sorted:</span><span·class="w"> | 161 | </span><span·class="c1">%%%·Function·to·check·that·a·list·is·sorted:</span><span·class="w"> |
| 162 | </span><span·class="nf">is_sorted</span><span·class="p"·data-group-id=" | 162 | </span><span·class="nf">is_sorted</span><span·class="p"·data-group-id="4005266767-10">(</span><span·class="p"·data-group-id="4005266767-11">[</span><span·class="p"·data-group-id="4005266767-11">]</span><span·class="p"·data-group-id="4005266767-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 163 | ····</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 163 | ····</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 164 | </span><span·class="nf">is_sorted</span><span·class="p"·data-group-id=" | 164 | </span><span·class="nf">is_sorted</span><span·class="p"·data-group-id="4005266767-12">(</span><span·class="p"·data-group-id="4005266767-13">[</span><span·class="p">_</span><span·class="p"·data-group-id="4005266767-13">]</span><span·class="p"·data-group-id="4005266767-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 165 | ····</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 165 | ····</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 166 | </span><span·class="nf">is_sorted</span><span·class="p"·data-group-id=" | 166 | </span><span·class="nf">is_sorted</span><span·class="p"·data-group-id="4005266767-14">(</span><span·class="p"·data-group-id="4005266767-15">[</span><span·class="n">H1</span><span·class="p">,</span><span·class="n">H2</span><span·class="p">|</span><span·class="n">SortedTail</span><span·class="p"·data-group-id="4005266767-15">]<[·...·truncated·by·diffoscope;·len:·46,·SHA:·e72514cfb8e2526c8b297e816998cf9c68b7040ddf282d4519909e55ff64cb68·...·]7-14">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">H1</span><span·class="w">·</span><span·class="o">=<</span><span·class="w">·</span><span·class="n">H2</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 167 | ····</span><span·class="nf">is_sorted</span><span·class="p"·data-group-id=" | 167 | ····</span><span·class="nf">is_sorted</span><span·class="p"·data-group-id="4005266767-16">(</span><span·class="p"·data-group-id="4005266767-17">[</span><span·class="n">H2</span><span·class="p">|</span><span·class="n">SortedTail</span><span·class="p"·data-group-id="4005266767-17">]</span><span·class="p"·data-group-id="4005266767-16">)</span><span·class="p">;</span><span·class="w"> |
| 168 | </span><span·class="nf">is_sorted</span><span·class="p"·data-group-id=" | 168 | </span><span·class="nf">is_sorted</span><span·class="p"·data-group-id="4005266767-18">(</span><span·class="p">_</span><span·class="p"·data-group-id="4005266767-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 169 | ····</span><span·class="ss">false</span><span·class="p">.</span></code></pre><p>We·also·need·a·CommonTest·test·suite:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 169 | ····</span><span·class="ss">false</span><span·class="p">.</span></code></pre><p>We·also·need·a·CommonTest·test·suite:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="8070580792-1">(</span><span·class="ss">ct_property_test_SUITE</span><span·class="p"·data-group-id="8070580792-1">)</span><span·class="p">.</span><span·class="w"> |
| 170 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 170 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="8070580792-2">(</span><span·class="ss">export_all</span><span·class="p"·data-group-id="8070580792-2">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·Only·in·tests!</span><span·class="w"> |
| 171 | </span><span·class="w"> | 171 | </span><span·class="w"> |
| 172 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 172 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="8070580792-3">(</span><span·class="s">"common_test/include/ct.hrl"</span><span·class="p"·data-group-id="8070580792-3">)</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="nf">all</span><span·class="p"·data-group-id=" | 173 | </span><span·class="nf">all</span><span·class="p"·data-group-id="8070580792-4">(</span><span·class="p"·data-group-id="8070580792-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="8070580792-5">[</span><span·class="ss">prop_sort</span><span·class="w"> |
| 174 | ·········</span><span·class="p"·data-group-id=" | 174 | ·········</span><span·class="p"·data-group-id="8070580792-5">]</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="c1">%%%·First·prepare·Config·and·compile·the·property·tests·for·the·found·tool:</span><span·class="w"> | 175 | </span><span·class="c1">%%%·First·prepare·Config·and·compile·the·property·tests·for·the·found·tool:</span><span·class="w"> |
| 176 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id=" | 176 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id="8070580792-6">(</span><span·class="n">Config</span><span·class="p"·data-group-id="8070580792-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ····</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id=" | 177 | ····</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id="8070580792-7">(</span><span·class="n">Config</span><span·class="p"·data-group-id="8070580792-7">)</span><span·class="p">.</span><span·class="w"> |
| 178 | </span><span·class="nf">end_per_suite</span><span·class="p"·data-group-id=" | 178 | </span><span·class="nf">end_per_suite</span><span·class="p"·data-group-id="8070580792-8">(</span><span·class="n">Config</span><span·class="p"·data-group-id="8070580792-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | ····</span><span·class="n">Config</span><span·class="p">.</span><span·class="w"> | 179 | ····</span><span·class="n">Config</span><span·class="p">.</span><span·class="w"> |
| 180 | </span><span·class="c1">%%%================================================================</span><span·class="w"> | 180 | </span><span·class="c1">%%%================================================================</span><span·class="w"> |
| 181 | </span><span·class="c1">%%%·Test·suites</span><span·class="w"> | 181 | </span><span·class="c1">%%%·Test·suites</span><span·class="w"> |
| 182 | </span><span·class="c1">%%%</span><span·class="w"> | 182 | </span><span·class="c1">%%%</span><span·class="w"> |
| 183 | </span><span·class="nf">prop_sort</span><span·class="p"·data-group-id=" | 183 | </span><span·class="nf">prop_sort</span><span·class="p"·data-group-id="8070580792-9">(</span><span·class="n">Config</span><span·class="p"·data-group-id="8070580792-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 184 | ····</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">quickcheck</span><span·class="p"·data-group-id=" | 184 | ····</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">quickcheck</span><span·class="p"·data-group-id="8070580792-10">(</span><span·class="w"> |
| 185 | ······</span><span·class="nc">ct_prop</span><span·class="p">:</span><span·class="nf">prop_sort</span><span·class="p"·data-group-id=" | 185 | ······</span><span·class="nc">ct_prop</span><span·class="p">:</span><span·class="nf">prop_sort</span><span·class="p"·data-group-id="8070580792-11">(</span><span·class="p"·data-group-id="8070580792-11">)</span><span·class="p">,</span><span·class="w"> |
| 186 | ······</span><span·class="n">Config</span><span·class="w"> | 186 | ······</span><span·class="n">Config</span><span·class="w"> |
| 187 | ·····</span><span·class="p"·data-group-id=" | 187 | ·····</span><span·class="p"·data-group-id="8070580792-10">)</span><span·class="p">.</span></code></pre><p>We·run·it·as·usual,·for·example·with·ct_run·in·the·OS·shell:</p><pre><code·class="text">..../test$·ct_run·-suite·ct_property_test_SUITE |
| 188 | ..... | 188 | ..... |
| 189 | Common·Test:·Running·make·in·test·directories... | 189 | Common·Test:·Running·make·in·test·directories... |
| 190 | TEST·INFO:·1·test(s),·1·case(s)·in·1·suite(s) | 190 | TEST·INFO:·1·test(s),·1·case(s)·in·1·suite(s) |
| 191 | Testing·lib.common_test.ct_property_test_SUITE:·Starting·test,·1·test·cases | 191 | Testing·lib.common_test.ct_property_test_SUITE:·Starting·test,·1·test·cases |
| Offset 217, 21 lines modified | Offset 217, 21 lines modified | ||
| 217 | ....</code></pre><p><a·href=""·id="stateful1"></a></p><h2·id="a-stateful-testing-example"·class="section-heading"> | 217 | ....</code></pre><p><a·href=""·id="stateful1"></a></p><h2·id="a-stateful-testing-example"·class="section-heading"> |
| 218 | ··<a·href="#a-stateful-testing-example"·class="hover-link"> | 218 | ··<a·href="#a-stateful-testing-example"·class="hover-link"> |
| 219 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 219 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 220 | ··</a> | 220 | ··</a> |
| 221 | ··<span·class="text">A·stateful·testing·example</span> | 221 | ··<span·class="text">A·stateful·testing·example</span> |
| 222 | </h2> | 222 | </h2> |
| 223 | <p>Assume·a·test·that·generates·some·parallel·stateful·commands,·and·runs·300 | 223 | <p>Assume·a·test·that·generates·some·parallel·stateful·commands,·and·runs·300 |
| 224 | tests:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">prop_parallel</span><span·class="p"·data-group-id=" | 224 | tests:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">prop_parallel</span><span·class="p"·data-group-id="6907347774-1">(</span><span·class="n">Config</span><span·class="p"·data-group-id="6907347774-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 225 | ····</span><span·class="nf">numtests</span><span·class="p"·data-group-id=" | 225 | ····</span><span·class="nf">numtests</span><span·class="p"·data-group-id="6907347774-2">(</span><span·class="mi">300</span><span·class="p">,</span><span·class="w"> |
| 226 | ·············</span><span·class="o">?</span><span·class="n">FORALL</span><span·class="p"·data-group-id=" | 226 | ·············</span><span·class="o">?</span><span·class="n">FORALL</span><span·class="p"·data-group-id="6907347774-3">(</span><span·class="n">Cmds</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">parallel_commands</span><span·class="p"·data-group-id="6907347774-4">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class=[·...·truncated·by·diffoscope;·len:·29,·SHA:·2d25100f0c96d863619e75bbfaef5d4ba02666e66c49ad60c21c746c2bab3dc9·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 227 | ·····················</span><span·class="k">begin</span><span·class="w"> | 227 | ·····················</span><span·class="k">begin</span><span·class="w"> |
| 228 | ·························</span><span·class="n">RunResult</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">run_parallel_commands</span><span·class="p"·data-group-id=" | 228 | ·························</span><span·class="n">RunResult</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">run_parallel_commands</span><span·class="p"·data-group-id="6907347774-5">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cmds</span><span·class="p"·data-group-id="6907347774-5">)</span><span·class="p">,</span><span·class="w"> |
| 229 | ·························</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">present_result</span><span·class="p"·data-group-id=" | 229 | ·························</span><span·class="nc">ct_property_test</span><span·class="p">:</span><span·class="nf">present_result</span><span·class="p"·data-group-id="6907347774-6">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cmds</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RunResult</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·92,·SHA:·3dbcf688bd1e081515e02eb34542beae587b86488b60f1355edc01aeca99032a·...·]-6">)</span><span·class="w"> |
| 230 | ·····················</span><span·class="k">end</span><span·class="p"·data-group-id=" | 230 | ·····················</span><span·class="k">end</span><span·class="p"·data-group-id="6907347774-3">)</span><span·class="p"·data-group-id="6907347774-2">)</span><span·class="p">.</span></code></pre><p>The·<a·href="ct_property_test.html#present_result/4"><code·class="inline">ct_property_test:present_result/4</code></a>·is·a·help·function·for·printing·some |
| 231 | statistics·in·the·CommonTest·log·file.</p><p>Our·example·test·could·for·example·be·a·simple·test·of·an·ftp·server,·where·we | 231 | statistics·in·the·CommonTest·log·file.</p><p>Our·example·test·could·for·example·be·a·simple·test·of·an·ftp·server,·where·we |
| 232 | perform·get,·put·and·delete·requests,·some·of·them·in·parallel.·Per·default,·the | 232 | perform·get,·put·and·delete·requests,·some·of·them·in·parallel.·Per·default,·the |
| 233 | result·has·three·sections:</p><pre><code·class="text">***·User·2019-12-11·13:28:17.504·*** | 233 | result·has·three·sections:</p><pre><code·class="text">***·User·2019-12-11·13:28:17.504·*** |
| 234 | Distribution·sequential/parallel | 234 | Distribution·sequential/parallel |
| 235 | ·57.7%·sequential | 235 | ·57.7%·sequential |
| Offset 326, 15 lines modified | Offset 326, 15 lines modified | ||
| 326 | ······<p·class="built-using"> | 326 | ······<p·class="built-using"> |
| 327 | ········Built·using | 327 | ········Built·using |
| 328 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 328 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 329 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 329 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 330 | ······</p> | 330 | ······</p> |
| 331 | <p>Copyright·©·1996-202 | 331 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 332 | ····</footer> | 332 | ····</footer> |
| 333 | ··</div> | 333 | ··</div> |
| 334 | </main> | 334 | </main> |
| 335 | </div> | 335 | </div> |
| 336 | <script> | 336 | <script> |
| 337 | ··function·mermaidLoaded()·{ | 337 | ··function·mermaidLoaded()·{ |
| 338 | ····mermaid.initialize({ | 338 | ····mermaid.initialize({ |
| Offset 553, 15 lines modified | Offset 553, 15 lines modified | ||
| 553 | ······<p·class="built-using"> | 553 | ······<p·class="built-using"> |
| 554 | ········Built·using | 554 | ········Built·using |
| 555 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 555 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 556 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 556 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 557 | ······</p> | 557 | ······</p> |
| 558 | <p>Copyright·©·1996-202 | 558 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 559 | ····</footer> | 559 | ····</footer> |
| 560 | ··</div> | 560 | ··</div> |
| 561 | </main> | 561 | </main> |
| 562 | </div> | 562 | </div> |
| 563 | <script> | 563 | <script> |
| 564 | ··function·mermaidLoaded()·{ | 564 | ··function·mermaidLoaded()·{ |
| 565 | ····mermaid.initialize({ | 565 | ····mermaid.initialize({ |
| Offset 247, 18 lines modified | Offset 247, 18 lines modified | ||
| 247 | ··[-keep_logs·all·|·NLogs]</code></pre><h2·id="run-common-test-in-interactive-mode"·class="section-heading"> | 247 | ··[-keep_logs·all·|·NLogs]</code></pre><h2·id="run-common-test-in-interactive-mode"·class="section-heading"> |
| 248 | ··<a·href="#run-common-test-in-interactive-mode"·class="hover-link"> | 248 | ··<a·href="#run-common-test-in-interactive-mode"·class="hover-link"> |
| 249 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 249 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 250 | ··</a> | 250 | ··</a> |
| 251 | ··<span·class="text">Run·Common·Test·in·Interactive·Mode</span> | 251 | ··<span·class="text">Run·Common·Test·in·Interactive·Mode</span> |
| 252 | </h2> | 252 | </h2> |
| 253 | <pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="ss">ct_run</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">shell</span><span·class="w"> | 253 | <pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="ss">ct_run</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">shell</span><span·class="w"> |
| 254 | ··</span><span·class="p"·data-group-id=" | 254 | ··</span><span·class="p"·data-group-id="2093595087-1">[</span><span·class="o">-</span><span·class="ss">config</span><span·class="w">·</span><span·class="n">ConfigFile1</span><span·class="w">·</span><span·class="n">ConfigFile2</span><span·class="w">·</span><span·class="p">.</span><span·class="p">[·...·truncated·by·diffoscope;·len:·131,·SHA:·6a26b5cc327528533df526ad1b6b85283c728d6699c98a04a2df65b4af89a0aa·...·]-1">]</span><span·class="w"> |
| 255 | ··</span><span·class="p"·data-group-id=" | 255 | ··</span><span·class="p"·data-group-id="2093595087-2">[</span><span·class="o">-</span><span·class="ss">userconfig</span><span·class="w">·</span><span·class="n">CallbackModule1</span><span·class="w">·</span><span·class="n">ConfigString1</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="n">CallbackModule2</span><span·class="w"> |
| 256 | ···</span><span·class="n">ConfigString2</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="n">CallbackModuleN</span><span·class="w">·</span><span·class="n">ConfigStringN</span><span·class="p"·data-group-id=" | 256 | ···</span><span·class="n">ConfigString2</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="n">CallbackModuleN</span><span·class="w">·</span><span·class="n">ConfigStringN</span><span·class="p"·data-group-id="2093595087-2">]</span><span·class="w"> |
| 257 | ··</span><span·class="p"·data-group-id=" | 257 | ··</span><span·class="p"·data-group-id="2093595087-3">[</span><span·class="o">-</span><span·class="ss">decrypt_key</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="2093595087-3">]</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·208,·SHA:·50607fb0b1dcdad3449028c28d6dcaad9e5d6b355ae78e9d31066dc0bf596fed·...·]-4">]</span></code></pre><h2·id="start-a-common-test-master-node"·class="section-heading"> |
| 258 | ··<a·href="#start-a-common-test-master-node"·class="hover-link"> | 258 | ··<a·href="#start-a-common-test-master-node"·class="hover-link"> |
| 259 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 259 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 260 | ··</a> | 260 | ··</a> |
| 261 | ··<span·class="text">Start·a·Common·Test·Master·Node</span> | 261 | ··<span·class="text">Start·a·Common·Test·Master·Node</span> |
| 262 | </h2> | 262 | </h2> |
| 263 | <pre><code·class="text">·ct_run·-ctmaster</code></pre><h2·id="see-also"·class="section-heading"> | 263 | <pre><code·class="text">·ct_run·-ctmaster</code></pre><h2·id="see-also"·class="section-heading"> |
| 264 | ··<a·href="#see-also"·class="hover-link"> | 264 | ··<a·href="#see-also"·class="hover-link"> |
| Offset 305, 15 lines modified | Offset 305, 15 lines modified | ||
| 305 | ······<p·class="built-using"> | 305 | ······<p·class="built-using"> |
| 306 | ········Built·using | 306 | ········Built·using |
| 307 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 307 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 308 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 308 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 309 | ······</p> | 309 | ······</p> |
| 310 | <p>Copyright·©·1996-202 | 310 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 311 | ····</footer> | 311 | ····</footer> |
| 312 | ··</div> | 312 | ··</div> |
| 313 | </main> | 313 | </main> |
| 314 | </div> | 314 | </div> |
| 315 | <script> | 315 | <script> |
| 316 | ··function·mermaidLoaded()·{ | 316 | ··function·mermaidLoaded()·{ |
| 317 | ····mermaid.initialize({ | 317 | ····mermaid.initialize({ |
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| 549 | ······<p·class="built-using"> | 549 | ······<p·class="built-using"> |
| 550 | ········Built·using | 550 | ········Built·using |
| 551 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 551 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 552 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 552 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 553 | ······</p> | 553 | ······</p> |
| 554 | <p>Copyright·©·1996-202 | 554 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 555 | ····</footer> | 555 | ····</footer> |
| 556 | ··</div> | 556 | ··</div> |
| 557 | </main> | 557 | </main> |
| 558 | </div> | 558 | </div> |
| 559 | <script> | 559 | <script> |
| 560 | ··function·mermaidLoaded()·{ | 560 | ··function·mermaidLoaded()·{ |
| 561 | ····mermaid.initialize({ | 561 | ····mermaid.initialize({ |
| Offset 146, 23 lines modified | Offset 146, 23 lines modified | ||
| 146 | configuration·files·have·default·values·set·by·the·<code·class="inline">SNMP</code>·application.·These | 146 | configuration·files·have·default·values·set·by·the·<code·class="inline">SNMP</code>·application.·These |
| 147 | values·can·be·overridden·by·suppling·a·list·of·valid·configuration·values·or·a | 147 | values·can·be·overridden·by·suppling·a·list·of·valid·configuration·values·or·a |
| 148 | file·located·in·the·test·suites·data·directory,·which·can·produce·a·list·of | 148 | file·located·in·the·test·suites·data·directory,·which·can·produce·a·list·of |
| 149 | valid·configuration·values·if·you·apply·function·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#consult/1"><code·class="inline">file:consult/1</code></a>·to·the·file.</p><ul><li><p><strong><code·class="inline">{agent_contexts,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_community,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_sysinfo,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_vacm,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_usm,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_notify_def,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_target_address_def,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·- | 149 | valid·configuration·values·if·you·apply·function·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#consult/1"><code·class="inline">file:consult/1</code></a>·to·the·file.</p><ul><li><p><strong><code·class="inline">{agent_contexts,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_community,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_sysinfo,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_vacm,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_usm,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_notify_def,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·-·Optional.</p></li><li><p><strong><code·class="inline">{agent_target_address_def,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·- |
| 150 | Optional.</p></li><li><p><strong><code·class="inline">{agent_target_param_def,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·- | 150 | Optional.</p></li><li><p><strong><code·class="inline">{agent_target_param_def,·[term()]·|·{data_dir_file,·rel_path()}}</code></strong>·- |
| 151 | Optional.</p></li></ul><p>Parameter·<code·class="inline">MgrAgentConfName</code>·in·the·functions·is·to·be·a·name·you·allocate·in | 151 | Optional.</p></li></ul><p>Parameter·<code·class="inline">MgrAgentConfName</code>·in·the·functions·is·to·be·a·name·you·allocate·in |
| 152 | your·test·suite·using·a·<code·class="inline">require</code>·statement.·Example·(where | 152 | your·test·suite·using·a·<code·class="inline">require</code>·statement.·Example·(where |
| 153 | <code·class="inline">MgrAgentConfName·=·snmp_mgr_agent</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="4 | 153 | <code·class="inline">MgrAgentConfName·=·snmp_mgr_agent</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="4135854910-1">(</span><span·class="p"·data-group-id="4135854910-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="4135854910-2">[</span><span·class="p"·data-group-id="4135854910-3">{</span>[·...·truncated·by·diffoscope;·len:·682,·SHA:·48376860cfabda7d82cc11978e23976564a3c0f0e0bca5590d881a82bbe6a051·...·]-1">)</span><span·class="p">.</span></code></pre><p>Notice·that·USM·users·are·needed·for·SNMPv3·configuration·and·are·not·to·be |
| 154 | confused·with·users.</p><p>SNMP·traps,·inform,·and·report·messages·are·handled·by·the·user·callback·module. | 154 | confused·with·users.</p><p>SNMP·traps,·inform,·and·report·messages·are·handled·by·the·user·callback·module. |
| 155 | For·details,·see·the·<a·href="../../../../lib/snmp-5.18.1/doc/html/index.html"><code·class="inline">SNMP</code></a>·application.</p><p>It·is·recommended·to·use·the·<code·class="inline">.hrl</code>·files·created·by·the·Erlang/OTP·MIB·compiler | 155 | For·details,·see·the·<a·href="../../../../lib/snmp-5.18.1/doc/html/index.html"><code·class="inline">SNMP</code></a>·application.</p><p>It·is·recommended·to·use·the·<code·class="inline">.hrl</code>·files·created·by·the·Erlang/OTP·MIB·compiler |
| 156 | to·define·the·Object·Identifiers·(OIDs).·For·example,·to·get·the·Erlang·node | 156 | to·define·the·Object·Identifiers·(OIDs).·For·example,·to·get·the·Erlang·node |
| 157 | name·from·<code·class="inline">erlNodeTable</code>·in·the·OTP-MIB:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Oid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="ss">erlNodeEntry</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="p"·data-group-id=" | 157 | name·from·<code·class="inline">erlNodeTable</code>·in·the·OTP-MIB:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Oid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="ss">erlNodeEntry</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="p"·data-group-id="1344959120-1">[</span><span·class="o">?</span><span·class="ss">erlNodeName</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="1344959120-1">]</span></code></pre><p>Furthermore,·values·can·be·set·for·<code·class="inline">SNMP</code>·application·configuration·parameters, |
| 158 | <code·class="inline">config</code>,·<code·class="inline">server</code>,·<code·class="inline">net_if</code>,·and·so·on·(for·a·list·of·valid·parameters·and | 158 | <code·class="inline">config</code>,·<code·class="inline">server</code>,·<code·class="inline">net_if</code>,·and·so·on·(for·a·list·of·valid·parameters·and |
| 159 | types,·see·the·<a·href="../../../../lib/snmp-5.18.1/doc/html/index.html"><code·class="inline">User's·Guide·for·the·SNMP·application</code></a>). | 159 | types,·see·the·<a·href="../../../../lib/snmp-5.18.1/doc/html/index.html"><code·class="inline">User's·Guide·for·the·SNMP·application</code></a>). |
| 160 | This·is·done·by·defining·a·configuration·data·variable·on·the·following·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4932838035-1">{</span><span·class="ss">snmp_app</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4932838035-2">[</span><span·class="p"·data-group-id="4932838035-3">{</span><span·class="ss">manager</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4932838035-4">[</span><span·class="nf">snmp_app_manager_params</span><span·class="p"·data-group-id="4932838035-5">(</span><span·class="p"·data-group-id="4932838035-5">)</span><span·class="p"·data-group-id="4932838035-4">]</span><span·class="p"·data-group-id="4932838035-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 161 | 160 | This·is·done·by·defining·a·configuration·data·variable·on·the·following·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5414473644-1">{</span><span·class="ss">snmp_app</span><span·class="p">,</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·543,·SHA:·fefd53994db18f3e24c06ac4d825f20d09dc767f849fd0b6993e86481d46ede1·...·] | |
| 161 | ············</span><span·class="p"·data-group-id="5414473644-6">{</span><span·class="ss">agent</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5414473644-7">[</span><span·class="nf">snmp_app_agent_params</span><span·class="p"·data-group-id="5414473644-8">(</span><span·class="p"·data-group-id="5414473644-8">)</span><span·class="p"·data-group-id="5414473644-7">]</span><span·class="p"·data-group-id="5414473644-6">}</span><span·class="p"·data-group-id="5414473644-2">]</span><span·class="p"·data-group-id="5414473644-1">}</span><span·class="p">.</span></code></pre><p>A·name·for·the·data·must·be·allocated·in·the·suite·using·<code·class="inline">require</code>·(see·the | ||
| 162 | example·above).·Pass·this·name·as·argument·<code·class="inline">SnmpAppConfName</code>·to | 162 | example·above).·Pass·this·name·as·argument·<code·class="inline">SnmpAppConfName</code>·to |
| 163 | <a·href="#start/3"><code·class="inline">ct_snmp:start/3</code></a>.·<code·class="inline">ct_snmp</code>·specifies·default·values·for·some | 163 | <a·href="#start/3"><code·class="inline">ct_snmp:start/3</code></a>.·<code·class="inline">ct_snmp</code>·specifies·default·values·for·some |
| 164 | <code·class="inline">SNMP</code>·application·configuration·parameters·(such·as·<code·class="inline">{verbosity,trace}</code>·for | 164 | <code·class="inline">SNMP</code>·application·configuration·parameters·(such·as·<code·class="inline">{verbosity,trace}</code>·for |
| 165 | parameter·<code·class="inline">config</code>).·This·set·of·defaults·is·merged·with·the·parameters | 165 | parameter·<code·class="inline">config</code>).·This·set·of·defaults·is·merged·with·the·parameters |
| 166 | specified·by·the·user.·The·user·values·override·<code·class="inline">ct_snmp</code>·defaults.</p> | 166 | specified·by·the·user.·The·user·values·override·<code·class="inline">ct_snmp</code>·defaults.</p> |
| 167 | ····</section> | 167 | ····</section> |
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| 1840 | ······<p·class="built-using"> | 1840 | ······<p·class="built-using"> |
| 1841 | ········Built·using | 1841 | ········Built·using |
| 1842 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1842 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1843 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1843 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1844 | ······</p> | 1844 | ······</p> |
| 1845 | <p>Copyright·©·1996-202 | 1845 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1846 | ····</footer> | 1846 | ····</footer> |
| 1847 | ··</div> | 1847 | ··</div> |
| 1848 | </main> | 1848 | </main> |
| 1849 | </div> | 1849 | </div> |
| 1850 | <script> | 1850 | <script> |
| 1851 | ··function·mermaidLoaded()·{ | 1851 | ··function·mermaidLoaded()·{ |
| 1852 | ····mermaid.initialize({ | 1852 | ····mermaid.initialize({ |
| Offset 129, 22 lines modified | Offset 129, 22 lines modified | ||
| 129 | ····<section·id="moduledoc"> | 129 | ····<section·id="moduledoc"> |
| 130 | <p>SSH/SFTP·client·module.</p><p>This·module·uses·application·<code·class="inline">SSH</code>,·which·provides·detailed·information·about, | 130 | <p>SSH/SFTP·client·module.</p><p>This·module·uses·application·<code·class="inline">SSH</code>,·which·provides·detailed·information·about, |
| 131 | for·example,·functions,·types,·and·options.</p><p>Argument·<code·class="inline">Server</code>·in·the·SFTP·functions·is·only·to·be·used·for·SFTP·sessions | 131 | for·example,·functions,·types,·and·options.</p><p>Argument·<code·class="inline">Server</code>·in·the·SFTP·functions·is·only·to·be·used·for·SFTP·sessions |
| 132 | that·have·been·started·on·existing·SSH·connections·(that·is,·when·the·original | 132 | that·have·been·started·on·existing·SSH·connections·(that·is,·when·the·original |
| 133 | connection·type·is·<code·class="inline">ssh</code>).·Whenever·the·connection·type·is·<code·class="inline">sftp</code>,·use·the·SSH | 133 | connection·type·is·<code·class="inline">ssh</code>).·Whenever·the·connection·type·is·<code·class="inline">sftp</code>,·use·the·SSH |
| 134 | connection·reference·only.</p><p>The·following·options·are·valid·for·specifying·an·SSH/SFTP·connection·(that·is, | 134 | connection·reference·only.</p><p>The·following·options·are·valid·for·specifying·an·SSH/SFTP·connection·(that·is, |
| 135 | can·be·used·as·configuration·elements):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 135 | can·be·used·as·configuration·elements):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2135045385-1">[</span><span·class="p"·data-group-id="2135045385-2">{</span><span·class="n">ConnType</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Addr</span><span·class="p"·data-group-id="2135045385-2">}</span><span·class="p">,</span><span·class="w"> |
| 136 | ·</span><span·class="p"·data-group-id=" | 136 | ·</span><span·class="p"·data-group-id="2135045385-3">{</span><span·class="ss">port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="2135045385-3">}</span><span·class="p">,</span><span·class="w"> |
| 137 | ·</span><span·class="p"·data-group-id=" | 137 | ·</span><span·class="p"·data-group-id="2135045385-4">{</span><span·class="ss">user</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserName</span><span·class="p"·data-group-id="2135045385-4">}</span><span·class="w"> |
| 138 | ·</span><span·class="p"·data-group-id=" | 138 | ·</span><span·class="p"·data-group-id="2135045385-5">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pwd</span><span·class="p"·data-group-id="2135045385-5">}</span><span·class="w"> |
| 139 | ·</span><span·class="p"·data-group-id=" | 139 | ·</span><span·class="p"·data-group-id="2135045385-6">{</span><span·class="ss">user_dir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">String</span><span·class="p"·data-group-id="2135045385-6">}</span><span·class="w"> |
| 140 | ·</span><span·class="p"·data-group-id=" | 140 | ·</span><span·class="p"·data-group-id="2135045385-7">{</span><span·class="ss">public_key_alg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">PubKeyAlg</span><span·class="p"·data-group-id="2135045385-7">}</span><span·class="w"> |
| 141 | ·</span><span·class="p"·data-group-id=" | 141 | ·</span><span·class="p"·data-group-id="2135045385-8">{</span><span·class="ss">connect_timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Timeout</span><span·class="p"·data-group-id="2135045385-8">}</span><span·class="w"> |
| 142 | ·</span><span·class="p"·data-group-id=" | 142 | ·</span><span·class="p"·data-group-id="2135045385-9">{</span><span·class="ss">key_cb</span><span·class="p">,</span><span·class="w">·</span><span·class="n">KeyCallbackMod</span><span·class="p"·data-group-id="2135045385-9">}</span><span·class="p"·data-group-id="2135045385-1">]</span></code></pre><p><code·class="inline">ConnType·=·ssh·|·sftp</code>.</p><p>For·other·types,·see·<a·href="../../../../lib/ssh-5.2.8/doc/html/ssh.html"><code·class="inline">ssh</code></a>.</p><p>All·time-out·parameters·in·<code·class="inline">ct_ssh</code>·functions·are·values·in·milliseconds.</p> |
| 143 | ····</section> | 143 | ····</section> |
| 144 | </div> | 144 | </div> |
| 145 | ··<section·id="summary"·class="details-list"> | 145 | ··<section·id="summary"·class="details-list"> |
| 146 | ····<h1·class="section-heading"> | 146 | ····<h1·class="section-heading"> |
| 147 | ······<a·class="hover-link"·href="#summary"> | 147 | ······<a·class="hover-link"·href="#summary"> |
| Offset 3708, 15 lines modified | Offset 3708, 15 lines modified | ||
| 3708 | ······<p·class="built-using"> | 3708 | ······<p·class="built-using"> |
| 3709 | ········Built·using | 3709 | ········Built·using |
| 3710 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3710 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3711 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3711 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3712 | ······</p> | 3712 | ······</p> |
| 3713 | <p>Copyright·©·1996-202 | 3713 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3714 | ····</footer> | 3714 | ····</footer> |
| 3715 | ··</div> | 3715 | ··</div> |
| 3716 | </main> | 3716 | </main> |
| 3717 | </div> | 3717 | </div> |
| 3718 | <script> | 3718 | <script> |
| 3719 | ··function·mermaidLoaded()·{ | 3719 | ··function·mermaidLoaded()·{ |
| 3720 | ····mermaid.initialize({ | 3720 | ····mermaid.initialize({ |
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| 1585 | ······<p·class="built-using"> | 1585 | ······<p·class="built-using"> |
| 1586 | ········Built·using | 1586 | ········Built·using |
| 1587 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1587 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1588 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1588 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1589 | ······</p> | 1589 | ······</p> |
| 1590 | <p>Copyright·©·1996-202 | 1590 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1591 | ····</footer> | 1591 | ····</footer> |
| 1592 | ··</div> | 1592 | ··</div> |
| 1593 | </main> | 1593 | </main> |
| 1594 | </div> | 1594 | </div> |
| 1595 | <script> | 1595 | <script> |
| 1596 | ··function·mermaidLoaded()·{ | 1596 | ··function·mermaidLoaded()·{ |
| 1597 | ····mermaid.initialize({ | 1597 | ····mermaid.initialize({ |
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| 132 | matching·on·the·result.·For·information·about·how·to·use·<code·class="inline">ct_telnet</code>·and | 132 | matching·on·the·result.·For·information·about·how·to·use·<code·class="inline">ct_telnet</code>·and |
| 133 | configure·connections,·specifically·for·UNIX·hosts,·see·the·<a·href="unix_telnet.html"><code·class="inline">unix_telnet</code></a> | 133 | configure·connections,·specifically·for·UNIX·hosts,·see·the·<a·href="unix_telnet.html"><code·class="inline">unix_telnet</code></a> |
| 134 | manual·page.</p><p>Default·values·defined·in·<code·class="inline">ct_telnet</code>:</p><p><a·href=""·id="Default_values"></a></p><ul><li>Connection·timeout·(time·to·wait·for·connection)·=·10·seconds</li><li>Command·timeout·(time·to·wait·for·a·command·to·return)·=·10·seconds</li><li>Max·number·of·reconnection·attempts·=·3</li><li>Reconnection·interval·(time·to·wait·in·between·reconnection·attempts)·=·5 | 134 | manual·page.</p><p>Default·values·defined·in·<code·class="inline">ct_telnet</code>:</p><p><a·href=""·id="Default_values"></a></p><ul><li>Connection·timeout·(time·to·wait·for·connection)·=·10·seconds</li><li>Command·timeout·(time·to·wait·for·a·command·to·return)·=·10·seconds</li><li>Max·number·of·reconnection·attempts·=·3</li><li>Reconnection·interval·(time·to·wait·in·between·reconnection·attempts)·=·5 |
| 135 | seconds</li><li>Keep·alive·(sends·NOP·to·the·server·every·8·sec·if·connection·is·idle)·= | 135 | seconds</li><li>Keep·alive·(sends·NOP·to·the·server·every·8·sec·if·connection·is·idle)·= |
| 136 | <code·class="inline">true</code></li><li>Polling·limit·(max·number·of·times·to·poll·to·get·a·remaining·string | 136 | <code·class="inline">true</code></li><li>Polling·limit·(max·number·of·times·to·poll·to·get·a·remaining·string |
| 137 | terminated)·=·0</li><li>Polling·interval·(sleep·time·between·polls)·=·1·second</li><li>The·TCP_NODELAY·option·for·the·telnet·socket·is·disabled·(set·to·<code·class="inline">false</code>)·per | 137 | terminated)·=·0</li><li>Polling·interval·(sleep·time·between·polls)·=·1·second</li><li>The·TCP_NODELAY·option·for·the·telnet·socket·is·disabled·(set·to·<code·class="inline">false</code>)·per |
| 138 | default</li></ul><p>These·parameters·can·be·modified·by·the·user·with·the·following·configuration | 138 | default</li></ul><p>These·parameters·can·be·modified·by·the·user·with·the·following·configuration |
| 139 | term:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 139 | term:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4826200631-1">{</span><span·class="ss">telnet_settings</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4826200631-2">[</span><span·class="p"·data-group-id="4826200631-3">{</span><span·class="ss">connect_timeout</span><s[·...·truncated·by·diffoscope;·len:·94,·SHA:·ab0b2086dba06e78e642d444cc2f0465c2bf6c3f4e524011c5ad2423493e4357·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 140 | ···················</span><span·class="p"·data-group-id=" | 140 | ···················</span><span·class="p"·data-group-id="4826200631-4">{</span><span·class="ss">command_timeout</span><span·class="p">,</span><span·class="n">Millisec</span><span·class="p"·data-group-id="4826200631-4">}</span><span·class="p">,</span><span·class="w"> |
| 141 | ···················</span><span·class="p"·data-group-id=" | 141 | ···················</span><span·class="p"·data-group-id="4826200631-5">{</span><span·class="ss">reconnection_attempts</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id="4826200631-5">}</span><span·class="p">,</span><span·class="w"> |
| 142 | ···················</span><span·class="p"·data-group-id=" | 142 | ···················</span><span·class="p"·data-group-id="4826200631-6">{</span><span·class="ss">reconnection_interval</span><span·class="p">,</span><span·class="n">Millisec</span><span·class="p"·data-group-id="4826200631-6">}</span><span·class="p">,</span><span·class="w"> |
| 143 | ···················</span><span·class="p"·data-group-id=" | 143 | ···················</span><span·class="p"·data-group-id="4826200631-7">{</span><span·class="ss">keep_alive</span><span·class="p">,</span><span·class="n">Bool</span><span·class="p"·data-group-id="4826200631-7">}</span><span·class="p">,</span><span·class="w"> |
| 144 | ···················</span><span·class="p"·data-group-id=" | 144 | ···················</span><span·class="p"·data-group-id="4826200631-8">{</span><span·class="ss">poll_limit</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id="4826200631-8">}</span><span·class="p">,</span><span·class="w"> |
| 145 | ···················</span><span·class="p"·data-group-id=" | 145 | ···················</span><span·class="p"·data-group-id="4826200631-9">{</span><span·class="ss">poll_interval</span><span·class="p">,</span><span·class="n">Millisec</span><span·class="p"·data-group-id="4826200631-9">}</span><span·class="p">,</span><span·class="w"> |
| 146 | ···················</span><span·class="p"·data-group-id=" | 146 | ···················</span><span·class="p"·data-group-id="4826200631-10">{</span><span·class="ss">tcp_nodelay</span><span·class="p">,</span><span·class="n">Bool</span><span·class="p"·data-group-id="4826200631-10">}</span><span·class="p"·data-group-id="4826200631-2">]</span><span·class="p"·data-group-id="482620063[·...·truncated·by·diffoscope;·len:·1,·SHA:·6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b·...·]-1">}</span><span·class="p">.</span></code></pre><p><code·class="inline">Millisec·=·integer(),·N·=·integer()</code></p><p>Enter·the·<code·class="inline">telnet_settings</code>·term·in·a·configuration·file·included·in·the·test |
| 147 | and·<code·class="inline">ct_telnet</code>·retrieves·the·information·automatically.</p><p><code·class="inline">keep_alive</code>·can·be·specified·per·connection,·if·necessary.·For·details,·see | 147 | and·<code·class="inline">ct_telnet</code>·retrieves·the·information·automatically.</p><p><code·class="inline">keep_alive</code>·can·be·specified·per·connection,·if·necessary.·For·details,·see |
| 148 | <a·href="unix_telnet.html"><code·class="inline">unix_telnet</code></a>.</p><h2·id="module-logging"·class="section-heading"> | 148 | <a·href="unix_telnet.html"><code·class="inline">unix_telnet</code></a>.</p><h2·id="module-logging"·class="section-heading"> |
| 149 | ··<a·href="#module-logging"·class="hover-link"> | 149 | ··<a·href="#module-logging"·class="hover-link"> |
| 150 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 150 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 151 | ··</a> | 151 | ··</a> |
| 152 | ··<span·class="text">Logging</span> | 152 | ··<span·class="text">Logging</span> |
| 153 | </h2> | 153 | </h2> |
| 154 | <p><a·href=""·id="Logging"></a></p><p>The·default·logging·behavior·of·<code·class="inline">ct_telnet</code>·is·to·print·information·about | 154 | <p><a·href=""·id="Logging"></a></p><p>The·default·logging·behavior·of·<code·class="inline">ct_telnet</code>·is·to·print·information·about |
| 155 | performed·operations,·commands,·and·their·corresponding·results·to·the·test·case | 155 | performed·operations,·commands,·and·their·corresponding·results·to·the·test·case |
| 156 | HTML·log.·The·following·is·not·printed·to·the·HTML·log:·text·strings·sent·from | 156 | HTML·log.·The·following·is·not·printed·to·the·HTML·log:·text·strings·sent·from |
| 157 | the·Telnet·server·that·are·not·explicitly·received·by·a·<code·class="inline">ct_telnet</code>·function, | 157 | the·Telnet·server·that·are·not·explicitly·received·by·a·<code·class="inline">ct_telnet</code>·function, |
| 158 | such·as·<a·href="#expect/3"><code·class="inline">expect/3</code></a>.·However,·<code·class="inline">ct_telnet</code>·can·be·configured·to·use | 158 | such·as·<a·href="#expect/3"><code·class="inline">expect/3</code></a>.·However,·<code·class="inline">ct_telnet</code>·can·be·configured·to·use |
| 159 | a·special·purpose·event·handler,·implemented·in·<code·class="inline">ct_conn_log_h</code>,·for·logging | 159 | a·special·purpose·event·handler,·implemented·in·<code·class="inline">ct_conn_log_h</code>,·for·logging |
| 160 | <em>all</em>·Telnet·traffic.·To·use·this·handler,·install·a·<code·class="inline">Common·Test</code>·hook·named | 160 | <em>all</em>·Telnet·traffic.·To·use·this·handler,·install·a·<code·class="inline">Common·Test</code>·hook·named |
| 161 | <code·class="inline">cth_conn_log</code>.·Example·(using·the·test·suite·information·function):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="9 | 161 | <code·class="inline">cth_conn_log</code>.·Example·(using·the·test·suite·information·function):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="9003749771-1">(</span><span·class="p"·data-group-id="9003749771-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 162 | ····</span><span·class="p"·data-group-id="9 | 162 | ····</span><span·class="p"·data-group-id="9003749771-2">[</span><span·class="p"·data-group-id="9003749771-3">{</span><span·class="ss">ct_hooks</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9003749771-4">[</span><span·class="p"·data-group-id="9003749771-5">{</s[·...·truncated·by·diffoscope;·len:·804,·SHA:·99ede311c251f38af77df1552d8cb480d5044af2db7cd72d5fbfbffd384b83e7·...·]-2">]</span><span·class="p">.</span></code></pre><p><code·class="inline">conn_mod()</code>·is·the·name·of·the·<code·class="inline">Common·Test</code>·module·implementing·the·connection |
| 163 | protocol,·that·is,·<code·class="inline">ct_telnet</code>.</p><p>The·<code·class="inline">cth_conn_log</code>·hook·performs·unformatted·logging·of·Telnet·data·to·a | 163 | protocol,·that·is,·<code·class="inline">ct_telnet</code>.</p><p>The·<code·class="inline">cth_conn_log</code>·hook·performs·unformatted·logging·of·Telnet·data·to·a |
| 164 | separate·text·file.·All·Telnet·communication·is·captured·and·printed,·including | 164 | separate·text·file.·All·Telnet·communication·is·captured·and·printed,·including |
| 165 | any·data·sent·from·the·server.·The·link·to·this·text·file·is·located·at·the·top | 165 | any·data·sent·from·the·server.·The·link·to·this·text·file·is·located·at·the·top |
| 166 | of·the·test·case·HTML·log.</p><p>By·default,·data·for·all·Telnet·connections·is·logged·in·one·common·file·(named | 166 | of·the·test·case·HTML·log.</p><p>By·default,·data·for·all·Telnet·connections·is·logged·in·one·common·file·(named |
| 167 | <code·class="inline">default</code>),·which·can·get·messy,·for·example,·if·multiple·Telnet·sessions·are | 167 | <code·class="inline">default</code>),·which·can·get·messy,·for·example,·if·multiple·Telnet·sessions·are |
| 168 | running·in·parallel.·Therefore·a·separate·log·file·can·be·created·for·each | 168 | running·in·parallel.·Therefore·a·separate·log·file·can·be·created·for·each |
| 169 | connection.·To·configure·this,·use·hook·option·<code·class="inline">hosts</code>·and·list·the·names·of·the | 169 | connection.·To·configure·this,·use·hook·option·<code·class="inline">hosts</code>·and·list·the·names·of·the |
| Offset 172, 23 lines modified | Offset 172, 23 lines modified | ||
| 172 | default·value·of·this·option·is·<code·class="inline">raw</code>,·which·results·in·the·behavior·described | 172 | default·value·of·this·option·is·<code·class="inline">raw</code>,·which·results·in·the·behavior·described |
| 173 | above.·If·the·value·is·set·to·<code·class="inline">html</code>,·all·Telnet·communication·is·printed·to·the | 173 | above.·If·the·value·is·set·to·<code·class="inline">html</code>,·all·Telnet·communication·is·printed·to·the |
| 174 | test·case·HTML·log·instead.</p><p>For·raw·logs,·<code·class="inline">prefix</code>·option·can·be·used·for·adjusting·prefix·data | 174 | test·case·HTML·log·instead.</p><p>For·raw·logs,·<code·class="inline">prefix</code>·option·can·be·used·for·adjusting·prefix·data |
| 175 | added·to·connection·log.·The·default·value·of·this·option·is | 175 | added·to·connection·log.·The·default·value·of·this·option·is |
| 176 | <code·class="inline">disabled</code>,·which·results·with·no·prefix·data.·If·the·value·is·set·to | 176 | <code·class="inline">disabled</code>,·which·results·with·no·prefix·data.·If·the·value·is·set·to |
| 177 | <code·class="inline">full</code>·prefix·contains·timestamp·and·additonal·information.·If·the | 177 | <code·class="inline">full</code>·prefix·contains·timestamp·and·additonal·information.·If·the |
| 178 | value·is·set·to·<code·class="inline">short</code>·prefix·includes·only·human·readable·timestamp.</p><p>All·<code·class="inline">cth_conn_log</code>·hook·options·described·can·also·be·specified·in·a | 178 | value·is·set·to·<code·class="inline">short</code>·prefix·includes·only·human·readable·timestamp.</p><p>All·<code·class="inline">cth_conn_log</code>·hook·options·described·can·also·be·specified·in·a |
| 179 | configuration·file·with·configuration·variable·<code·class="inline">ct_conn_log</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3081049006-1">{</span><span·class="ss">ct_conn_log</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3081049006-2">[</span><span·class="p"·data-group-id="3081049006-3">{</span><span·class="ss">ct_telnet</span><span·class="p">,</span><span·class="p"·data-group-id="3081049006-4">[</span><span·class="p"·data-group-id="3081049006-5">{</span><span·class="ss">log_type</span><span·class="p">,</span><span·class="ss">raw</span><span·class="p"·data-group-id="3081049006-5">}</span><span·class="p">,</span><span·class="w"> | ||
| 180 | 179 | configuration·file·with·configuration·variable·<code·class="inline">ct_conn_log</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0140566629-1">{</span><span·class="ss">ct_conn_log</span><span[·...·truncated·by·diffoscope;·len:·488,·SHA:·060f4d1353e884d05d430c7474b88bdc177c129b6ccd1d0cce7517c772cd7bcf·...·] | |
| 180 | ···························</span><span·class="p"·data-group-id="0140566629-6">{</span><span·class="ss">hosts</span><span·class="p">,</span><span·class="p"·data-group-id="0140566629-7">[</span><span·class="nf">key_or_name</span><span·class="p"·data-group-id="0140566629-8">(</span><span·class="p"·data-group-id="0140566629-8">)</span><span·class="p"·data-group-id="0140566629-7">]</span><span·class="p"·data-group-id="0140566629-6">}</span><span·class="p"·data-group-id="0140566629-4">]</span><span·class="p"·data-group-id="0140566629-3">}</span><span·class="p"·data-group-id="0140566629-2">]</span><span·class="p"·data-group-id="0140566629-1">}</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Hook·options·specified·in·a·configuration·file·overwrite·any·hard-coded·hook | ||
| 181 | options·in·the·test·suite.</p></section><p><a·href=""·id="Logging_example"></a></p><p><em>Logging·Example:</em></p><p>The·following·<code·class="inline">ct_hooks</code>·statement·causes·printing·of·Telnet·traffic·to·separate | 181 | options·in·the·test·suite.</p></section><p><a·href=""·id="Logging_example"></a></p><p><em>Logging·Example:</em></p><p>The·following·<code·class="inline">ct_hooks</code>·statement·causes·printing·of·Telnet·traffic·to·separate |
| 182 | logs·for·the·connections·<code·class="inline">server1</code>·and·<code·class="inline">server2</code>.·Traffic·for·any·other | 182 | logs·for·the·connections·<code·class="inline">server1</code>·and·<code·class="inline">server2</code>.·Traffic·for·any·other |
| 183 | connections·is·logged·in·the·default·Telnet·log.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id=" | 183 | connections·is·logged·in·the·default·Telnet·log.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="2808741103-1">(</span><span·class="p"·data-group-id="2808741103-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 184 | ····</span><span·class="p"·data-group-id=" | 184 | ····</span><span·class="p"·data-group-id="2808741103-2">[</span><span·class="p"·data-group-id="2808741103-3">{</span><span·class="ss">ct_hooks</span><span·class="p">,</span><span·class="w"> |
| 185 | ······</span><span·class="p"·data-group-id="8821642506-4">[</span><span·class="p"·data-group-id="8821642506-5">{</span><span·class="ss">cth_conn_log</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8821642506-6">[</span><span·class="p"·data-group-id="8821642506-7">{</span><span·class="ss">ct_telnet</span><span·class="p">,</span><span·class="p"·data-group-id="8821642506-8">[</span><span·class="p"·data-group-id="8821642506-9">{</span><span·class="ss">hosts</span><span·class="p">,</span><span·class="p"·data-group-id="8821642506-10">[</span><span·class="ss">server1</span><span·class="p">,</span><span·class="ss">server2</span><span·class="p"·data-group-id="8821642506-10">]</span><span·class="p"·data-group-id="8821642506-9">}</span><span·class="p"·data-group-id="8821642506-8">]</span><span·class="p"·data-group-id="8821642506-7">}</span><span·class="p"·data-group-id="8821642506-6">]</span><span·class="p"·data-group-id="8821642506-5">}</span><span·class="p"·data-group-id="8821642506-4">]</span><span·class="p"·data-group-id="8821642506-3">}</span><span·class="p"·data-group-id="8821642506-2">]</span><span·class="p">.</span></code></pre><p>As·previously·explained,·this·specification·can·also·be·provided·by·an·entry | ||
| 186 | like·the·following·in·a·configuration·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6313911138-1">{</span><span·class="ss">ct_conn_log</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6313911138-2">[</span><span·class="p"·data-group-id="6313911138-3">{</span><span·class="ss">ct_telnet</span><span·class="p">,</span><span·class="p"·data-group-id="6313911138-4">[</span><span·class="p"·data-group-id="6313911138-5">{</span><span·class="ss">hosts</span><span·class="p">,</span><span·class="p"·data-group-id="6313911138-6">[</span><span·class="ss">server1</span><span·class="p">,</span><span·class="ss">server2</span><span·class="p"·data-group-id="6313911138-6">]</span><span·class="p"·data-group-id="6313911138-5">}</span><span·class="p"·data-group-id="6313911138-4">]</span><span·class="p"·data-group-id="6313911138-3">}</span><span·class="p"·data-group-id="6313911138-2">]</span><span·class="p"·data-group-id="6313911138-1">}</span><span·class="p">.</span></code></pre><p>In·this·case·the·<code·class="inline">ct_hooks</code>·statement·in·the·test·suite·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="5862884179-1">(</span><span·class="p"·data-group-id="5862884179-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 187 | ····</span><span·class="p"·data-group-id=" | 185 | ······</span><span·class="p"·data-group-id="2808741103-4">[</span><span·class="p"·data-group-id="2808741103-5">{</span><span·class="ss">cth_conn_log</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2808741103-6">[</span><spa[·...·truncated·by·diffoscope;·len:·999,·SHA:·3d099630e4700e6f5755a5841116667c9cb1979d3f861e5a8dcf46df9b31871b·...·] |
| 186 | like·the·following·in·a·configuration·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1544012569-1">{</span><span·class="ss">ct_conn_log</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1544012569-2">[</span><span·class="p"·data-group-id="1544012569-3">{</span><span·class="ss">ct_telnet</span><span·class="p">,</span><span·class="p"·data-group-id="1544012569-4">[</span><span·class="p"·data-group-id="1544012569-5">{</span><span·class="ss">hosts</span><span·class="p">,</span><span·class="p"·data-group-id="1544012569-6">[</span><span·class="ss">server1</span><span·class="p">,</span><span·class="ss">server2</span><span·class="p"·data-group-id="1544012569-6">]</span><span·class="p"·data-group-id="1544012569-5">}</span><span·class="p"·data-group-id="1544012569-4">]</span><span·class="p"·data-group-id="1544012569-3">}</span><span·class="p"·data-group-id="1544012569-2">]</span><span·class="p"·data-group-id="1544012569-1">}</span><span·class="p">.</span></code></pre><p>In·this·case·the·<code·class="inline">ct_hooks</code>·statement·in·the·test·suite·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="1073460937-1">(</span><span·class="p"·data-group-id="1073460937-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 187 | ····</span><span·class="p"·data-group-id="1073460937-2">[</span><span·class="p"·data-group-id="1073460937-3">{</span><span·class="ss">ct_hooks</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1073460937-4">[</span><span·class="p"·data-group-id="1073460937-5">{</span><span·class="ss">cth_conn_log</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1073460937-6">[</span><span·class="p"·data-group-id="1073460937-6">]</span><span·class="p"·data-group-id="1073460937-5">}</span><span·class="p"·data-group-id="1073460937-4">]</span><span·class="p"·data-group-id="1073460937-3">}</span><span·class="p"·data-group-id="1073460937-2">]</span><span·class="p">.</span></code></pre><h2·id="module-see-also"·class="section-heading"> | ||
| 188 | ··<a·href="#module-see-also"·class="hover-link"> | 188 | ··<a·href="#module-see-also"·class="hover-link"> |
| 189 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 189 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 190 | ··</a> | 190 | ··</a> |
| 191 | ··<span·class="text">See·Also</span> | 191 | ··<span·class="text">See·Also</span> |
| 192 | </h2> | 192 | </h2> |
| 193 | <p><a·href="unix_telnet.html"><code·class="inline">unix_telnet</code></a></p> | 193 | <p><a·href="unix_telnet.html"><code·class="inline">unix_telnet</code></a></p> |
| 194 | ····</section> | 194 | ····</section> |
| Offset 865, 17 lines modified | Offset 865, 17 lines modified | ||
| 865 | of·waiting·for·prompt.</p></li><li><p><strong><code·class="inline">repeat·|·repeat,·N</code></strong>·-·The·pattern(s)·must·be·matched·multiple·times.·If | 865 | of·waiting·for·prompt.</p></li><li><p><strong><code·class="inline">repeat·|·repeat,·N</code></strong>·-·The·pattern(s)·must·be·matched·multiple·times.·If |
| 866 | <code·class="inline">N</code>·is·specified,·the·pattern(s)·are·matched·<code·class="inline">N</code>·times,·and·the·function | 866 | <code·class="inline">N</code>·is·specified,·the·pattern(s)·are·matched·<code·class="inline">N</code>·times,·and·the·function |
| 867 | returns·<code·class="inline">HaltReason·=·done</code>.·This·option·can·be·interrupted·by·one·or·more | 867 | returns·<code·class="inline">HaltReason·=·done</code>.·This·option·can·be·interrupted·by·one·or·more |
| 868 | <code·class="inline">HaltPatterns</code>.·<code·class="inline">MatchList</code>·is·always·returned,·that·is,·a·list·of·<code·class="inline">Match</code> | 868 | <code·class="inline">HaltPatterns</code>.·<code·class="inline">MatchList</code>·is·always·returned,·that·is,·a·list·of·<code·class="inline">Match</code> |
| 869 | instead·of·only·one·<code·class="inline">Match</code>.·Also·<code·class="inline">HaltReason</code>·is·returned.</p></li><li><p><strong><code·class="inline">sequence</code></strong>·-·All·patterns·must·be·matched·in·a·sequence.·A·match·is·not | 869 | instead·of·only·one·<code·class="inline">Match</code>.·Also·<code·class="inline">HaltReason</code>·is·returned.</p></li><li><p><strong><code·class="inline">sequence</code></strong>·-·All·patterns·must·be·matched·in·a·sequence.·A·match·is·not |
| 870 | concluded·until·all·patterns·are·matched.·This·option·can·be·interrupted·by | 870 | concluded·until·all·patterns·are·matched.·This·option·can·be·interrupted·by |
| 871 | one·or·more·<code·class="inline">HaltPatterns</code>.·<code·class="inline">MatchList</code>·is·always·returned,·that·is,·a·list·of | 871 | one·or·more·<code·class="inline">HaltPatterns</code>.·<code·class="inline">MatchList</code>·is·always·returned,·that·is,·a·list·of |
| 872 | <code·class="inline">Match</code>·instead·of·only·one·<code·class="inline">Match</code>.·Also·<code·class="inline">HaltReason</code>·is·returned.</p></li></ul><p><em>Example·1:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">expect</span><span·class="p"·data-group-id=" | 872 | <code·class="inline">Match</code>·instead·of·only·one·<code·class="inline">Match</code>.·Also·<code·class="inline">HaltReason</code>·is·returned.</p></li></ul><p><em>Example·1:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">expect</span><span·class="p"·data-group-id="0582193916-1">(</span><span·class="n">Connection</span><span·class="p">,</span><span·class="p"·data-group-id="0582193916-2">[</span><span·class="p"·data-group-id="0582193916-3">{</span><span·class="ss">abc</span><span·class="p">,</span><span·class="s">&quo[·...·truncated·by·diffoscope;·len:·1029,·SHA:·8dabe000280692cac8058ce12a68ff2cd325f597bb225e5a7ea7180f08f0bcb8·...·]-1">)</span></code></pre><p>First·this·tries·to·match·<code·class="inline">"ABC"</code>,·and·then·<code·class="inline">"XYZ"</code>,·but·if·<code·class="inline">"NNN"</code>·appears,·the |
| 873 | function·returns·<code·class="inline">{error,{nnn,["NNN"]}}</code>.·If·both·<code·class="inline">"ABC"</code>·and·<code·class="inline">"XYZ"</code>·are | 873 | function·returns·<code·class="inline">{error,{nnn,["NNN"]}}</code>.·If·both·<code·class="inline">"ABC"</code>·and·<code·class="inline">"XYZ"</code>·are |
| 874 | matched,·the·function·returns·<code·class="inline">{ok,[AbcMatch,XyzMatch]}</code>.</p><p><em>Example·2:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">expect</span><span·class="p"·data-group-id=" | 874 | matched,·the·function·returns·<code·class="inline">{ok,[AbcMatch,XyzMatch]}</code>.</p><p><em>Example·2:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">expect</span><span·class="p"·data-group-id="3477299102-1">(</span><span·class="n">Connection</span><span·class="p">,</span><span·class="p"·data-group-id="3477299102-2">[</span><span·class="p"·data-group-id="3477299102-3">{</span><span·class="ss">abc</span><span·class="p">,</span><span·class="s">&quo[·...·truncated·by·diffoscope;·len:·1182,·SHA:·fe18b7efe1f0e4d72d24e0be5619d0570fc4ab3f0a1177ad413815108d1aacb5·...·]-1">)</span></code></pre><p>This·tries·to·match·<code·class="inline">"ABC"</code>·or·<code·class="inline">"XYZ"</code>·twice.·If·<code·class="inline">"NNN"</code>·appears,·the·function |
| 875 | returns·<code·class="inline">HaltReason·=·{nnn,["NNN"]}</code>.</p><p>Options·<code·class="inline">repeat</code>·and·<code·class="inline">sequence</code>·can·be·combined·to·match·a·sequence·multiple | 875 | returns·<code·class="inline">HaltReason·=·{nnn,["NNN"]}</code>.</p><p>Options·<code·class="inline">repeat</code>·and·<code·class="inline">sequence</code>·can·be·combined·to·match·a·sequence·multiple |
| 876 | times.</p> | 876 | times.</p> |
| 877 | ··</section> | 877 | ··</section> |
| 878 | </section> | 878 | </section> |
| 879 | <section·class="detail"·id="get_data/1"> | 879 | <section·class="detail"·id="get_data/1"> |
| 880 | ··<div·class="detail-header"> | 880 | ··<div·class="detail-header"> |
| Offset 1189, 15 lines modified | Offset 1189, 15 lines modified | ||
| 1189 | ······<p·class="built-using"> | 1189 | ······<p·class="built-using"> |
| 1190 | ········Built·using | 1190 | ········Built·using |
| 1191 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1191 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1192 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1192 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1193 | ······</p> | 1193 | ······</p> |
| 1194 | <p>Copyright·©·1996-202 | 1194 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1195 | ····</footer> | 1195 | ····</footer> |
| 1196 | ··</div> | 1196 | ··</div> |
| 1197 | </main> | 1197 | </main> |
| 1198 | </div> | 1198 | </div> |
| 1199 | <script> | 1199 | <script> |
| 1200 | ··function·mermaidLoaded()·{ | 1200 | ··function·mermaidLoaded()·{ |
| 1201 | ····mermaid.initialize({ | 1201 | ····mermaid.initialize({ |
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| 233 | ······<p·class="built-using"> | 233 | ······<p·class="built-using"> |
| 234 | ········Built·using | 234 | ········Built·using |
| 235 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 235 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 236 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 236 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 237 | ······</p> | 237 | ······</p> |
| 238 | <p>Copyright·©·1996-202 | 238 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 239 | ····</footer> | 239 | ····</footer> |
| 240 | ··</div> | 240 | ··</div> |
| 241 | </main> | 241 | </main> |
| 242 | </div> | 242 | </div> |
| 243 | <script> | 243 | <script> |
| 244 | ··function·mermaidLoaded()·{ | 244 | ··function·mermaidLoaded()·{ |
| 245 | ····mermaid.initialize({ | 245 | ····mermaid.initialize({ |
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| 157 | between·the·cases·and·therefore·introduce·dependencies·between·them.</p><p>To·avoid·this,·we·can·consider·starting·and·stopping·the·server·for·every·test. | 157 | between·the·cases·and·therefore·introduce·dependencies·between·them.</p><p>To·avoid·this,·we·can·consider·starting·and·stopping·the·server·for·every·test. |
| 158 | We·can·thus·implement·the·start·and·stop·action·as·common·functions·to·be·called | 158 | We·can·thus·implement·the·start·and·stop·action·as·common·functions·to·be·called |
| 159 | from·<a·href="ct_suite.html#c:init_per_testcase/2"><code·class="inline">init_per_testcase</code></a>·and | 159 | from·<a·href="ct_suite.html#c:init_per_testcase/2"><code·class="inline">init_per_testcase</code></a>·and |
| 160 | <a·href="ct_suite.html#c:end_per_testcase/2"><code·class="inline">end_per_testcase</code></a>.·(Remember·to·test·the | 160 | <a·href="ct_suite.html#c:end_per_testcase/2"><code·class="inline">end_per_testcase</code></a>.·(Remember·to·test·the |
| 161 | start·and·stop·functionality·separately.)·The·configuration·can·also·be | 161 | start·and·stop·functionality·separately.)·The·configuration·can·also·be |
| 162 | implemented·as·a·common·function,·maybe·grouped·with·the·start·function. | 162 | implemented·as·a·common·function,·maybe·grouped·with·the·start·function. |
| 163 | Finally,·the·testing·of·connecting·and·disconnecting·a·client·can·be·grouped | 163 | Finally,·the·testing·of·connecting·and·disconnecting·a·client·can·be·grouped |
| 164 | into·one·test·case.·The·resulting·suite·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 164 | into·one·test·case.·The·resulting·suite·can·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7784712547-1">(</span><span·class="ss">my_server_SUITE</span><span·class="p"·data-group-id="7784712547-1">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 165 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="7784712547-2">(</span><span·class="ss">export_all</span><span·class="p"·data-group-id="7784712547-2">)</span><span·class="p">.</span><span·class="w"> |
| 166 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 166 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="7784712547-3">(</span><span·class="s">"ct.hrl"</span><span·class="p"·data-group-id="7784712547-3">)</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="c1">%%%·init·and·end·functions...</span><span·class="w"> | 167 | </span><span·class="c1">%%%·init·and·end·functions...</span><span·class="w"> |
| 168 | </span><span·class="nf">suite</span><span·class="p"·data-group-id=" | 168 | </span><span·class="nf">suite</span><span·class="p"·data-group-id="7784712547-4">(</span><span·class="p"·data-group-id="7784712547-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="7784712547-5">[</span><span·class="p"·data-group-id="7784712547-6">{</span[·...·truncated·by·diffoscope;·len:·187,·SHA:·d48208683acc4b9b923760ac3c994a9ddb2bc37749d83d72216852ac8f57eb86·...·]-5">]</span><span·class="p">.</span><span·class="w"> |
| 169 | </span><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id=" | 169 | </span><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id="7784712547-7">(</span><span·class="ss">start_and_stop</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="7784712547-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 170 | ····</span><span·class="n">Config</span><span·class="p">;</span><span·class="w"> | 170 | ····</span><span·class="n">Config</span><span·class="p">;</span><span·class="w"> |
| 171 | </span><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id=" | 171 | </span><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id="7784712547-8">(</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="7784712547-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 172 | ····</span><span·class="p"·data-group-id=" | 172 | ····</span><span·class="p"·data-group-id="7784712547-9">[</span><span·class="p"·data-group-id="7784712547-10">{</span><span·class="ss">server_pid</span><span·class="p">,</span><span·class="nf">start_server</span><span·class="p"·data-group-id="7784712547-11">(</span><span·class="p"·data-group-id="7[·...·truncated·by·diffoscope;·len:·218,·SHA:·fd71a6be1503077d3937db6ea14869f30ae0f171579917484c74bab4e4834363·...·]-9">]</span><span·class="p">;</span><span·class="w"> |
| 173 | </span><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id=" | 173 | </span><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id="7784712547-12">(</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="7784712547-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_server</span><span·class="p"·data-group-id=" | 174 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_server</span><span·class="p"·data-group-id="7784712547-13">(</span><span·class="p"·data-group-id="7784712547-13">)</span><span·class="p">,</span><span·class="w"> |
| 175 | ····</span><span·class="nf">configure_server</span><span·class="p"·data-group-id=" | 175 | ····</span><span·class="nf">configure_server</span><span·class="p"·data-group-id="7784712547-14">(</span><span·class="p"·data-group-id="7784712547-14">)</span><span·class="p">,</span><span·class="w"> |
| 176 | ····</span><span·class="p"·data-group-id=" | 176 | ····</span><span·class="p"·data-group-id="7784712547-15">[</span><span·class="p"·data-group-id="7784712547-16">{</span><span·class="ss">server_pid</span><span·class="p">,</span><span·class="n">ServerPid</span><span·class="p"·data-group-id="7784712547-16">}</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·107,·SHA:·f33095a14f5f528d9ab1f7a837bba407ab16a2b585695991238a592cdfdac0af·...·]-15">]</span><span·class="p">.</span><span·class="w"> |
| 177 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id=" | 177 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id="7784712547-17">(</span><span·class="ss">start_and_stop</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p"·data-group-id="7784712547-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 178 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 178 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 179 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id=" | 179 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id="7784712547-18">(</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="7784712547-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 180 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="7784712547-19">(</span><span·class="ss">server_pid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="7784712547-19">)</span><span·class="p">,</span><span·class="w"> |
| 181 | ····</span><span·class="nf">stop_server</span><span·class="p"·data-group-id=" | 181 | ····</span><span·class="nf">stop_server</span><span·class="p"·data-group-id="7784712547-20">(</span><span·class="n">ServerPid</span><span·class="p"·data-group-id="7784712547-20">)</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="c1">%%%·test·cases...</span><span·class="w"> | 182 | </span><span·class="c1">%%%·test·cases...</span><span·class="w"> |
| 183 | </span><span·class="nf">all</span><span·class="p"·data-group-id=" | 183 | </span><span·class="nf">all</span><span·class="p"·data-group-id="7784712547-21">(</span><span·class="p"·data-group-id="7784712547-21">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="7784712547-22">[</span><span·class="ss">start_and_stop</span><span·class[·...·truncated·by·diffoscope;·len:·202,·SHA:·bdc1a08614e7716fc74215180442bfe959fafd406ddde0856398046a8fec738b·...·]-22">]</span><span·class="p">.</span><span·class="w"> |
| 184 | </span><span·class="c1">%%·test·that·starting·and·stopping·works</span><span·class="w"> | 184 | </span><span·class="c1">%%·test·that·starting·and·stopping·works</span><span·class="w"> |
| 185 | </span><span·class="nf">start_and_stop</span><span·class="p"·data-group-id=" | 185 | </span><span·class="nf">start_and_stop</span><span·class="p"·data-group-id="7784712547-23">(</span><span·class="p">_</span><span·class="p"·data-group-id="7784712547-23">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 186 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_server</span><span·class="p"·data-group-id=" | 186 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_server</span><span·class="p"·data-group-id="7784712547-24">(</span><span·class="p"·data-group-id="7784712547-24">)</span><span·class="p">,</span><span·class="w"> |
| 187 | ····</span><span·class="nf">stop_server</span><span·class="p"·data-group-id=" | 187 | ····</span><span·class="nf">stop_server</span><span·class="p"·data-group-id="7784712547-25">(</span><span·class="n">ServerPid</span><span·class="p"·data-group-id="7784712547-25">)</span><span·class="p">.</span><span·class="w"> |
| 188 | </span><span·class="c1">%%·configuration·test</span><span·class="w"> | 188 | </span><span·class="c1">%%·configuration·test</span><span·class="w"> |
| 189 | </span><span·class="nf">config</span><span·class="p"·data-group-id=" | 189 | </span><span·class="nf">config</span><span·class="p"·data-group-id="7784712547-26">(</span><span·class="n">Config</span><span·class="p"·data-group-id="7784712547-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 190 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 190 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="7784712547-27">(</span><span·class="ss">server_pid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="7784712547-27">)</span><span·class="p">,</span><span·class="w"> |
| 191 | ····</span><span·class="nf">configure_server</span><span·class="p"·data-group-id=" | 191 | ····</span><span·class="nf">configure_server</span><span·class="p"·data-group-id="7784712547-28">(</span><span·class="n">ServerPid</span><span·class="p"·data-group-id="7784712547-28">)</span><span·class="p">.</span><span·class="w"> |
| 192 | </span><span·class="c1">%%·test·connecting·and·disconnecting·client</span><span·class="w"> | 192 | </span><span·class="c1">%%·test·connecting·and·disconnecting·client</span><span·class="w"> |
| 193 | </span><span·class="nf">connect_and_disconnect</span><span·class="p"·data-group-id=" | 193 | </span><span·class="nf">connect_and_disconnect</span><span·class="p"·data-group-id="7784712547-29">(</span><span·class="n">Config</span><span·class="p"·data-group-id="7784712547-29">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 194 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 194 | ····</span><span·class="n">ServerPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="7784712547-30">(</span><span·class="ss">server_pid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="7784712547-30">)</span><span·class="p">,</span><span·class="w"> |
| 195 | ····</span><span·class="p"·data-group-id=" | 195 | ····</span><span·class="p"·data-group-id="7784712547-31">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">SessionId</span><span·class="p"·data-group-id="7784712547-31">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_serve[·...·truncated·by·diffoscope;·len:·190,·SHA:·13ff9c0df770692cdba7104350ae1ab993f3b3789bcd2606df1ec83eb5f5db60·...·]-32">)</span><span·class="p">,</span><span·class="w"> |
| 196 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">disconnect</span><span·class="p"·data-group-id=" | 196 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">disconnect</span><span·class="p"·data-group-id="7784712547-33">(</span><span·class="n">ServerPid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SessionId</span><span·class="p"·data-group-id="7784712547-33">)</span><span·class="p">.</span><span·class="w"> |
| 197 | </span><span·class="c1">%%%·common·functions...</span><span·class="w"> | 197 | </span><span·class="c1">%%%·common·functions...</span><span·class="w"> |
| 198 | </span><span·class="nf">start_server</span><span·class="p"·data-group-id=" | 198 | </span><span·class="nf">start_server</span><span·class="p"·data-group-id="7784712547-34">(</span><span·class="p"·data-group-id="7784712547-34">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 199 | ····</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="p"·data-group-id="7784712547-35">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">ServerPid</span><span·class="p"·data-group-id="7784712547-35">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_serve[·...·truncated·by·diffoscope;·len:·156,·SHA:·12f40b5702a1e3356fb85265a6b542305fca8bdcac227d5e037ebcdd82a6f44f·...·]-36">)</span><span·class="p">,</span><span·class="w"> |
| 200 | ····</span><span·class="n">ServerPid</span><span·class="p">.</span><span·class="w"> | 200 | ····</span><span·class="n">ServerPid</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="nf">stop_server</span><span·class="p"·data-group-id=" | 201 | </span><span·class="nf">stop_server</span><span·class="p"·data-group-id="7784712547-37">(</span><span·class="n">ServerPid</span><span·class="p"·data-group-id="7784712547-37">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 202 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 202 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="7784712547-38">(</span><span·class="p"·data-group-id="7784712547-38">)</span><span·class="p">,</span><span·class="w"> |
| 203 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 203 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 204 | </span><span·class="nf">configure_server</span><span·class="p"·data-group-id=" | 204 | </span><span·class="nf">configure_server</span><span·class="p"·data-group-id="7784712547-39">(</span><span·class="n">ServerPid</span><span·class="p"·data-group-id="7784712547-39">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 205 | ····</span><span·class="n">ServerCfgData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="n">ServerCfgData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">get_config</span><span·class="p"·data-group-id="7784712547-40">(</span><span·class="ss">my_server_cfg</span><span·class="p"·data-group-id="7784712547-40">)</span><span·class="p">,</span><span·class="w"> |
| 206 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">configure</span><span·class="p"·data-group-id=" | 206 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">my_server</span><span·class="p">:</span><span·class="nf">configure</span><span·class="p"·data-group-id="7784712547-41">(</span><span·class="n">ServerPid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ServerCfgData</span><span·class="p"·data-group-id="7784712547-41">)</span><span·class="p">,</span><span·class="w"> |
| 207 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p><a·href=""·id="save_config"></a></p><h2·id="saving-configuration-data"·class="section-heading"> | 207 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p><a·href=""·id="save_config"></a></p><h2·id="saving-configuration-data"·class="section-heading"> |
| 208 | ··<a·href="#saving-configuration-data"·class="hover-link"> | 208 | ··<a·href="#saving-configuration-data"·class="hover-link"> |
| 209 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 209 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 210 | ··</a> | 210 | ··</a> |
| 211 | ··<span·class="text">Saving·Configuration·Data</span> | 211 | ··<span·class="text">Saving·Configuration·Data</span> |
| 212 | </h2> | 212 | </h2> |
| 213 | <p>Sometimes·it·is·impossible,·or·infeasible,·to·implement·independent·test·cases. | 213 | <p>Sometimes·it·is·impossible,·or·infeasible,·to·implement·independent·test·cases. |
| Offset 243, 48 lines modified | Offset 243, 48 lines modified | ||
| 243 | <code·class="inline">Saver</code>·is·always·matched·to·the·expected·name·of·the·saving·test·case.·This | 243 | <code·class="inline">Saver</code>·is·always·matched·to·the·expected·name·of·the·saving·test·case.·This |
| 244 | way,·problems·because·of·restructuring·of·the·test·suite·can·be·avoided.·Also, | 244 | way,·problems·because·of·restructuring·of·the·test·suite·can·be·avoided.·Also, |
| 245 | it·makes·the·dependency·more·explicit·and·the·test·suite·easier·to·read·and | 245 | it·makes·the·dependency·more·explicit·and·the·test·suite·easier·to·read·and |
| 246 | maintain.</p><p>To·pass·data·from·one·test·suite·to·another,·the·same·mechanism·is·used.·The | 246 | maintain.</p><p>To·pass·data·from·one·test·suite·to·another,·the·same·mechanism·is·used.·The |
| 247 | data·is·to·be·saved·by·finction·<a·href="ct_suite.html#c:end_per_suite/1"><code·class="inline">end_per_suite</code></a> | 247 | data·is·to·be·saved·by·finction·<a·href="ct_suite.html#c:end_per_suite/1"><code·class="inline">end_per_suite</code></a> |
| 248 | and·read·by·function·<a·href="ct_suite.html#c:init_per_suite/1"><code·class="inline">init_per_suite</code></a>·in·the | 248 | and·read·by·function·<a·href="ct_suite.html#c:init_per_suite/1"><code·class="inline">init_per_suite</code></a>·in·the |
| 249 | suite·that·follows.·When·passing·data·between·suites,·<code·class="inline">Saver</code>·carries·the·name | 249 | suite·that·follows.·When·passing·data·between·suites,·<code·class="inline">Saver</code>·carries·the·name |
| 250 | of·the·test·suite.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 250 | of·the·test·suite.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4854787479-1">(</span><span·class="ss">server_b_SUITE</span><span·class="p"·data-group-id="4854787479-1">)</span><span·class="p">.</span><span·class="w"> |
| 251 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 251 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="4854787479-2">(</span><span·class="ss">export_all</span><span·class="p"·data-group-id="4854787479-2">)</span><span·class="p">.</span><span·class="w"> |
| 252 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 252 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="4854787479-3">(</span><span·class="s">"ct.hrl"</span><span·class="p"·data-group-id="4854787479-3">)</span><span·class="p">.</span><span·class="w"> |
| 253 | </span><span·class="c1">%%%·init·and·end·functions...</span><span·class="w"> | 253 | </span><span·class="c1">%%%·init·and·end·functions...</span><span·class="w"> |
| 254 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id=" | 254 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id="4854787479-4">(</span><span·class="n">Config</span><span·class="p"·data-group-id="4854787479-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 255 | ····</span><span·class="c1">%%·read·config·saved·by·previous·test·suite</span><span·class="w"> | 255 | ····</span><span·class="c1">%%·read·config·saved·by·previous·test·suite</span><span·class="w"> |
| 256 | ····</span><span·class="p"·data-group-id=" | 256 | ····</span><span·class="p"·data-group-id="4854787479-5">{</span><span·class="ss">server_a_SUITE</span><span·class="p">,</span><span·class="n">OldConfig</span><span·class="p"·data-group-id="4854787479-5">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc[·...·truncated·by·diffoscope;·len:·282,·SHA:·2ddea4facdb56d63090e417f217478a86f818d43d048de66586cf91b17b0a36d·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 257 | ····</span><span·class="c1">%%·extract·server·identity·(comes·from·server_a_SUITE)</span><span·class="w"> | 257 | ····</span><span·class="c1">%%·extract·server·identity·(comes·from·server_a_SUITE)</span><span·class="w"> |
| 258 | ····</span><span·class="n">ServerId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 258 | ····</span><span·class="n">ServerId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="4854787479-7">(</span><span·class="ss">server_id</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OldConfig</span><span·class="p"·data-group-id="4854787479-7">)</span><span·class="p">,</span><span·class="w"> |
| 259 | ····</span><span·class="n">SessionId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">connect_to_server</span><span·class="p"·data-group-id=" | 259 | ····</span><span·class="n">SessionId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">connect_to_server</span><span·class="p"·data-group-id="4854787479-8">(</span><span·class="n">ServerId</span><span·class="p"·data-group-id="4854787479-8">)</span><span·class="p">,</span><span·class="w"> |
| 260 | ····</span><span·class="p"·data-group-id=" | 260 | ····</span><span·class="p"·data-group-id="4854787479-9">[</span><span·class="p"·data-group-id="4854787479-10">{</span><span·class="ss">ids</span><span·class="p">,</span><span·class="p"·data-group-id="4854787479-11">{</span><span·class="n">ServerId</span><span·class="p">,</span><span·class="n">Sess[·...·truncated·by·diffoscope;·len:·262,·SHA:·c590195d726fc8676766a8aaf8142fa814decbc476069f523d5eb9637a8fa2fd·...·]-9">]</span><span·class="p">.</span><span·class="w"> |
| 261 | </span><span·class="nf">end_per_suite</span><span·class="p"·data-group-id=" | 261 | </span><span·class="nf">end_per_suite</span><span·class="p"·data-group-id="4854787479-12">(</span><span·class="n">Config</span><span·class="p"·data-group-id="4854787479-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 262 | ····</span><span·class="c1">%%·save·config·for·server_c_SUITE·(session_id·and·server_id)</span><span·class="w"> | 262 | ····</span><span·class="c1">%%·save·config·for·server_c_SUITE·(session_id·and·server_id)</span><span·class="w"> |
| 263 | ····</span><span·class="p"·data-group-id=" | 263 | ····</span><span·class="p"·data-group-id="4854787479-13">{</span><span·class="ss">save_config</span><span·class="p">,</span><span·class="n">Config</span><span·class="p"·data-group-id="4854787479-13">}</span><span·class="w"> |
| 264 | </span><span·class="c1">%%%·test·cases...</span><span·class="w"> | 264 | </span><span·class="c1">%%%·test·cases...</span><span·class="w"> |
| 265 | </span><span·class="nf">all</span><span·class="p"·data-group-id=" | 265 | </span><span·class="nf">all</span><span·class="p"·data-group-id="4854787479-14">(</span><span·class="p"·data-group-id="4854787479-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="4854787479-15">[</span><span·class="ss">allocate</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·106,·SHA:·bc589595db27ac787f13aac0ad7e3bd124b60229bff9f1efe778d27361c5365c·...·]-15">]</span><span·class="p">.</span><span·class="w"> |
| 266 | </span><span·class="nf">allocate</span><span·class="p"·data-group-id=" | 266 | </span><span·class="nf">allocate</span><span·class="p"·data-group-id="4854787479-16">(</span><span·class="n">Config</span><span·class="p"·data-group-id="4854787479-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 267 | ····</span><span·class="p"·data-group-id=" | 267 | ····</span><span·class="p"·data-group-id="4854787479-17">{</span><span·class="n">ServerId</span><span·class="p">,</span><span·class="n">SessionId</span><span·class="p"·data-group-id="4854787479-17">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">pro[·...·truncated·by·diffoscope;·len:·269,·SHA:·b54656174aefa9b1520cc51d6fa54694935e6efb899fd9a198880596700da4da·...·]-18">)</span><span·class="p">,</span><span·class="w"> |
| 268 | ····</span><span·class="p"·data-group-id=" | 268 | ····</span><span·class="p"·data-group-id="4854787479-19">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Handle</span><span·class="p"·data-group-id="4854787479-19">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">allocate_re[·...·truncated·by·diffoscope;·len:·219,·SHA:·19d4661e8dc777a77d8c9fbe4bc110622c2f999bb3a2f8b391cf1694a984a91b·...·]-20">)</span><span·class="p">,</span><span·class="w"> |
| 269 | ····</span><span·class="c1">%%·save·handle·for·deallocation·test</span><span·class="w"> | 269 | ····</span><span·class="c1">%%·save·handle·for·deallocation·test</span><span·class="w"> |
| 270 | ····</span><span·class="n">NewConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 270 | ····</span><span·class="n">NewConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4854787479-21">[</span><span·class="p"·data-group-id="4854787479-22">{</span><span·class="ss">handle</span><span·class="p">,</span><span·class="n">Handle</span><span·class="p"·data-group-id="4854787479-22">}</span><span·class="p"·data-group-id="4854787479-21">]</span><span·class="p">,</span><span·class="w"> |
| 271 | ····</span><span·class="p"·data-group-id=" | 271 | ····</span><span·class="p"·data-group-id="4854787479-23">{</span><span·class="ss">save_config</span><span·class="p">,</span><span·class="n">NewConfig</span><span·class="p"·data-group-id="4854787479-23">}</span><span·class="p">.</span><span·class="w"> |
| 272 | </span><span·class="nf">deallocate</span><span·class="p"·data-group-id=" | 272 | </span><span·class="nf">deallocate</span><span·class="p"·data-group-id="4854787479-24">(</span><span·class="n">Config</span><span·class="p"·data-group-id="4854787479-24">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 273 | ····</span><span·class="p"·data-group-id=" | 273 | ····</span><span·class="p"·data-group-id="4854787479-25">{</span><span·class="n">ServerId</span><span·class="p">,</span><span·class="n">SessionId</span><span·class="p"·data-group-id="4854787479-25">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">pro[·...·truncated·by·diffoscope;·len:·269,·SHA:·2ec79412071e61a4ccb08942bbebdc528cfa800cbd7aac3e7f73bc75e688301e·...·]-26">)</span><span·class="p">,</span><span·class="w"> |
| 274 | ····</span><span·class="p"·data-group-id=" | 274 | ····</span><span·class="p"·data-group-id="4854787479-27">{</span><span·class="ss">allocate</span><span·class="p">,</span><span·class="n">OldConfig</span><span·class="p"·data-group-id="4854787479-27">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">pr[·...·truncated·by·diffoscope;·len:·279,·SHA:·4cb78a851aa3582e1ffe9738e7a16fe39638a579f6b2a80a395db56c8d895967·...·]-28">)</span><span·class="p">,</span><span·class="w"> |
| 275 | ····</span><span·class="n">Handle</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 275 | ····</span><span·class="n">Handle</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="4854787479-29">(</span><span·class="ss">handle</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OldConfig</span><span·class="p"·data-group-id="4854787479-29">)</span><span·class="p">,</span><span·class="w"> |
| 276 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">deallocate_resource</span><span·class="p"·data-group-id=" | 276 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">deallocate_resource</span><span·class="p"·data-group-id="4854787479-30">(</span><span·class="n">ServerId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SessionId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Handle</span><span·class="p"·data-group-id="4854787479-30">)</span><span·class="p">.</span></code></pre><p>To·save·<code·class="inline">Config</code>·data·from·a·test·case·that·is·to·be·skipped,·return·tuple |
| 277 | <code·class="inline">{skip_and_save,Reason,ConfigList}</code>.</p><p>The·result·is·that·the·test·case·is·skipped·with·<code·class="inline">Reason</code>·printed·to·the·log | 277 | <code·class="inline">{skip_and_save,Reason,ConfigList}</code>.</p><p>The·result·is·that·the·test·case·is·skipped·with·<code·class="inline">Reason</code>·printed·to·the·log |
| 278 | file·(as·described·earlier)·and·<code·class="inline">ConfigList</code>·is·saved·for·the·next·test·case. | 278 | file·(as·described·earlier)·and·<code·class="inline">ConfigList</code>·is·saved·for·the·next·test·case. |
| 279 | <code·class="inline">ConfigList</code>·can·be·read·using·<code·class="inline">proplists:get_value(saved_config,·Config)</code>,·as | 279 | <code·class="inline">ConfigList</code>·can·be·read·using·<code·class="inline">proplists:get_value(saved_config,·Config)</code>,·as |
| 280 | described·earlier.·<code·class="inline">skip_and_save</code>·can·also·be·returned·from·<code·class="inline">init_per_suite</code>. | 280 | described·earlier.·<code·class="inline">skip_and_save</code>·can·also·be·returned·from·<code·class="inline">init_per_suite</code>. |
| 281 | In·this·case,·the·saved·data·can·be·read·by·<code·class="inline">init_per_suite</code>·in·the·suite·that | 281 | In·this·case,·the·saved·data·can·be·read·by·<code·class="inline">init_per_suite</code>·in·the·suite·that |
| 282 | follows.</p><h2·id="sequences"·class="section-heading"> | 282 | follows.</p><h2·id="sequences"·class="section-heading"> |
| 283 | ··<a·href="#sequences"·class="hover-link"> | 283 | ··<a·href="#sequences"·class="hover-link"> |
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| 296 | following·tests·are·not·to·be·executed.·Typically,·if·the·<code·class="inline">save_config</code>·facility | 296 | following·tests·are·not·to·be·executed.·Typically,·if·the·<code·class="inline">save_config</code>·facility |
| 297 | is·used·and·a·test·case·that·is·expected·to·save·data·crashes,·the·following | 297 | is·used·and·a·test·case·that·is·expected·to·save·data·crashes,·the·following |
| 298 | case·cannot·run.·<code·class="inline">Common·Test</code>·offers·a·way·to·declare·such·dependencies,·called | 298 | case·cannot·run.·<code·class="inline">Common·Test</code>·offers·a·way·to·declare·such·dependencies,·called |
| 299 | sequences.</p><p>A·sequence·of·test·cases·is·defined·as·a·test·case·group·with·a·<code·class="inline">sequence</code> | 299 | sequences.</p><p>A·sequence·of·test·cases·is·defined·as·a·test·case·group·with·a·<code·class="inline">sequence</code> |
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| 164 | </h2> | 164 | </h2> |
| 165 | <p>Event·handlers·can·be·installed·by·an·<code·class="inline">event_handler</code>·start·flag | 165 | <p>Event·handlers·can·be·installed·by·an·<code·class="inline">event_handler</code>·start·flag |
| 166 | (<a·href="ct_run_cmd.html"><code·class="inline">ct_run</code></a>)·or·option·<a·href="ct.html#run_test/1"><code·class="inline">ct:run_test/1</code></a>,·where·the·argument | 166 | (<a·href="ct_run_cmd.html"><code·class="inline">ct_run</code></a>)·or·option·<a·href="ct.html#run_test/1"><code·class="inline">ct:run_test/1</code></a>,·where·the·argument |
| 167 | specifies·the·names·of·one·or·more·event·handler·modules.</p><p><em>Example:</em></p><p><code·class="inline">$·ct_run·-suite·test/my_SUITE·-event_handler·handlers/my_evh1·handlers/my_evh2·-pa·$PWD/handlers</code></p><p>To·pass·start·arguments·to·the·event·handler·init·function,·use·option | 167 | specifies·the·names·of·one·or·more·event·handler·modules.</p><p><em>Example:</em></p><p><code·class="inline">$·ct_run·-suite·test/my_SUITE·-event_handler·handlers/my_evh1·handlers/my_evh2·-pa·$PWD/handlers</code></p><p>To·pass·start·arguments·to·the·event·handler·init·function,·use·option |
| 168 | <code·class="inline">ct_run·-event_handler_init</code>·instead·of·<code·class="inline">-event_handler</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>All·event·handler·modules·must·have·<code·class="inline">gen_event</code>·behavior.·These·modules·must | 168 | <code·class="inline">ct_run·-event_handler_init</code>·instead·of·<code·class="inline">-event_handler</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>All·event·handler·modules·must·have·<code·class="inline">gen_event</code>·behavior.·These·modules·must |
| 169 | be·precompiled·and·their·locations·must·be·added·explicitly·to·the·Erlang·code | 169 | be·precompiled·and·their·locations·must·be·added·explicitly·to·the·Erlang·code |
| 170 | server·search·path·(as·in·the·previous·example).</p></section><p>An·event_handler·tuple·in·argument·<code·class="inline">Opts</code>·has·the·following·definition·(see | 170 | server·search·path·(as·in·the·previous·example).</p></section><p>An·event_handler·tuple·in·argument·<code·class="inline">Opts</code>·has·the·following·definition·(see |
| 171 | <a·href="ct.html#run_test/1"><code·class="inline">ct:run_test/1</code></a>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 171 | <a·href="ct.html#run_test/1"><code·class="inline">ct:run_test/1</code></a>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9056887730-1">{</span><span·class="ss">event_handler</span><span·class="p">,</span><span·class="n">EventHandlers</span><span·class="p"·data-group-id="9056887730-1">}</span><span·class="w"> |
| 172 | </span><span·class="n">EventHandlers</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">EH</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 172 | </span><span·class="n">EventHandlers</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">EH</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="9056887730-2">[</span><span·class="n">EH</span><span·class="p"·data-group-id="9056887730-2">]</span><span·class="w"> |
| 173 | </span><span·class="n">EH</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="3799041763-3">(</span><span·class="p"·data-group-id="3799041763-3">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="3799041763-4">{</span><span·class="nf">atom</span><span·class="p"·data-group-id="3799041763-5">(</span><span·class="p"·data-group-id="3799041763-5">)</span><span·class="p">,</span><span·class="n">InitArgs</span><span·class="p"·data-group-id="3799041763-4">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="3799041763-6">{</span><span·class="p"·data-group-id="3799041763-7">[</span><span·class="nf">atom</span><span·class="p"·data-group-id="3799041763-8">(</span><span·class="p"·data-group-id="3799041763-8">)</span><span·class="p"·data-group-id="3799041763-7">]</span><span·class="p">,</span><span·class="n">InitArgs</span><span·class="p"·data-group-id="3799041763-6">}</span><span·class="w"> | ||
| 174 | </span><span·class="n">InitArgs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3799041763-9">[</span><span·class="nf">term</span><span·class="p"·data-group-id="3799041763-10">(</span><span·class="p"·data-group-id="3799041763-10">)</span><span·class="p"·data-group-id="3799041763-9">]</span></code></pre><p>In·the·following·example,·two·event·handlers·for·the·<code·class="inline">my_SUITE</code>·test·are | ||
| 175 | 173 | </span><span·class="n">EH</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="9056887730-3">(</span><span·class="p"·data-group-id="9056887730-3">)</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·838,·SHA:·90dc29bafce420137acec6d475390905802977cf20d36c7b14f472ca7b61edde·...·] | |
| 174 | </span><span·class="n">InitArgs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9056887730-9">[</span><span·class="nf">term</span><span·class="p"·data-group-id="9056887730-10">(</span><span·class="p"·data-group-id="9056887730-10">)</span><span·class="p"·data-group-id="9056887730-9">]</span></code></pre><p>In·the·following·example,·two·event·handlers·for·the·<code·class="inline">my_SUITE</code>·test·are | ||
| 175 | installed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">run_test</span><span·class="p"·data-group-id="3672760116-1">(</span><span·class="p"·data-group-id="3672760116-2">[</span><span·class="p"·data-group-id="3672760116-3">{</span><span·class="ss">suite</span><span·class="p">,</span><span·class="s">"test/my_SUITE"</span><span·class="p"·data-group-id="3672760116-3">}</span><span·class="p">,</span><span·class="p"·data-group-id="3672760116-4">{</span><span·class="ss">event_handler</span><span·class="p">,</span><span·class="p"·data-group-id="3672760116-5">[</span><span·class="ss">my_evh1</span><span·class="p">,</span><span·class="p"·data-group-id="3672760116-6">{</span><span·class="ss">my_evh2</span><span·class="p">,</span><span·class="p"·data-group-id="3672760116-7">[</span><span·class="nf">node</span><span·class="p"·data-group-id="3672760116-8">(</span><span·class="p"·data-group-id="3672760116-8">)</span><span·class="p"·data-group-id="3672760116-7">]</span><span·class="p"·data-group-id="3672760116-6">}</span><span·class="p"·data-group-id="3672760116-5">]</span><span·class="p"·data-group-id="3672760116-4">}</span><span·class="p"·data-group-id="3672760116-2">]</span><span·class="p"·data-group-id="3672760116-1">)</span><span·class="p">.</span></code></pre><p>Event·handler·<code·class="inline">my_evh1</code>·is·started·with·<code·class="inline">[]</code>·as·argument·to·the·init·function. | ||
| 176 | Event·handler·<code·class="inline">my_evh2</code>·is·started·with·the·name·of·the·current·node·in·the·init | 176 | Event·handler·<code·class="inline">my_evh2</code>·is·started·with·the·name·of·the·current·node·in·the·init |
| 177 | argument·list.</p><p>Event·handlers·can·also·be·plugged·in·using·one·of·the·following | 177 | argument·list.</p><p>Event·handlers·can·also·be·plugged·in·using·one·of·the·following |
| 178 | <a·href="run_test_chapter.html#test_specifications">test·specification</a>·terms:</p><ul><li><code·class="inline">{event_handler,·EventHandlers}</code></li><li><code·class="inline">{event_handler,·EventHandlers,·InitArgs}</code></li><li><code·class="inline">{event_handler,·NodeRefs,·EventHandlers}</code></li><li><code·class="inline">{event_handler,·NodeRefs,·EventHandlers,·InitArgs}</code></li></ul><p><code·class="inline">EventHandlers</code>·is·a·list·of·module·names.·Before·a·test·session·starts,·the | 178 | <a·href="run_test_chapter.html#test_specifications">test·specification</a>·terms:</p><ul><li><code·class="inline">{event_handler,·EventHandlers}</code></li><li><code·class="inline">{event_handler,·EventHandlers,·InitArgs}</code></li><li><code·class="inline">{event_handler,·NodeRefs,·EventHandlers}</code></li><li><code·class="inline">{event_handler,·NodeRefs,·EventHandlers,·InitArgs}</code></li></ul><p><code·class="inline">EventHandlers</code>·is·a·list·of·module·names.·Before·a·test·session·starts,·the |
| 179 | init·function·of·each·plugged·in·event·handler·is·called·(with·the·<code·class="inline">InitArgs</code> | 179 | init·function·of·each·plugged·in·event·handler·is·called·(with·the·<code·class="inline">InitArgs</code> |
| 180 | list·as·argument·or·<code·class="inline">[]</code>·if·no·start·arguments·are·specified).</p><p>To·plug·in·a·handler·to·the·<code·class="inline">Common·Test</code>·Master·event·manager,·specify·<code·class="inline">master</code> | 180 | list·as·argument·or·<code·class="inline">[]</code>·if·no·start·arguments·are·specified).</p><p>To·plug·in·a·handler·to·the·<code·class="inline">Common·Test</code>·Master·event·manager,·specify·<code·class="inline">master</code> |
| 181 | as·the·node·in·<code·class="inline">NodeRefs</code>.</p><p>To·be·able·to·match·on·events,·the·event·handler·module·must·include·the·header | 181 | as·the·node·in·<code·class="inline">NodeRefs</code>.</p><p>To·be·able·to·match·on·events,·the·event·handler·module·must·include·the·header |
| 182 | file·<code·class="inline">ct_event.hrl</code>.·An·event·is·a·record·with·the·following·definition:</p><p><code·class="inline">#event{name,·node,·data}</code></p><ul><li><p><strong><code·class="inline">name</code></strong>·-·Label·(type)·of·the·event.</p></li><li><p><strong><code·class="inline">node</code></strong>·-·Name·of·the·node·that·the·event·originated·from·(only·relevant | 182 | file·<code·class="inline">ct_event.hrl</code>.·An·event·is·a·record·with·the·following·definition:</p><p><code·class="inline">#event{name,·node,·data}</code></p><ul><li><p><strong><code·class="inline">name</code></strong>·-·Label·(type)·of·the·event.</p></li><li><p><strong><code·class="inline">node</code></strong>·-·Name·of·the·node·that·the·event·originated·from·(only·relevant |
| Offset 320, 15 lines modified | Offset 320, 15 lines modified | ||
| 320 | ······<p·class="built-using"> | 320 | ······<p·class="built-using"> |
| 321 | ········Built·using | 321 | ········Built·using |
| 322 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 322 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 323 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 323 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 324 | ······</p> | 324 | ······</p> |
| 325 | <p>Copyright·©·1996-202 | 325 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 326 | ····</footer> | 326 | ····</footer> |
| 327 | ··</div> | 327 | ··</div> |
| 328 | </main> | 328 | </main> |
| 329 | </div> | 329 | </div> |
| 330 | <script> | 330 | <script> |
| 331 | ··function·mermaidLoaded()·{ | 331 | ··function·mermaidLoaded()·{ |
| 332 | ····mermaid.initialize({ | 332 | ····mermaid.initialize({ |
| Offset 127, 136 lines modified | Offset 127, 136 lines modified | ||
| 127 | <p><a·href=""·id="top"></a></p><h2·id="test-suite-example"·class="section-heading"> | 127 | <p><a·href=""·id="top"></a></p><h2·id="test-suite-example"·class="section-heading"> |
| 128 | ··<a·href="#test-suite-example"·class="hover-link"> | 128 | ··<a·href="#test-suite-example"·class="hover-link"> |
| 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 130 | ··</a> | 130 | ··</a> |
| 131 | ··<span·class="text">Test·Suite·Example</span> | 131 | ··<span·class="text">Test·Suite·Example</span> |
| 132 | </h2> | 132 | </h2> |
| 133 | <p>The·following·example·test·suite·shows·some·tests·of·a·database·server:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 133 | <p>The·following·example·test·suite·shows·some·tests·of·a·database·server:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1925653053-1">(</span><span·class="ss">db_data_type_SUITE</span><span·class="p"·data-group-id="1925653053-1">)</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="w"> | 134 | </span><span·class="w"> |
| 135 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 135 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="1925653053-2">(</span><span·class="s">"common_test/include/ct.hrl"</span><span·class="p"·data-group-id="1925653053-2">)</span><span·class="p">.</span><span·class="w"> |
| 136 | </span><span·class="c1">%%·Test·server·callbacks</span><span·class="w"> | 136 | </span><span·class="c1">%%·Test·server·callbacks</span><span·class="w"> |
| 137 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 137 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1925653053-3">(</span><span·class="p"·data-group-id="1925653053-4">[</span><span·class="ss">suite</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">all</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 138 | ·········</span><span·class="ss">init_per_suite</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">end_per_suite</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 138 | ·········</span><span·class="ss">init_per_suite</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">end_per_suite</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 139 | ·········</span><span·class="ss">init_per_testcase</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">end_per_testcase</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id=" | 139 | ·········</span><span·class="ss">init_per_testcase</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">end_per_testcase</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id="1925653053-4">]</span><span·class="p"·data-group-id="1925653053-3">)</span><span·class="p">.</span><span·class="w"> |
| 140 | </span><span·class="c1">%%·Test·cases</span><span·class="w"> | 140 | </span><span·class="c1">%%·Test·cases</span><span·class="w"> |
| 141 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 141 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1925653053-5">(</span><span·class="p"·data-group-id="1925653053-6">[</span><span·class="ss">string</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">integer</span><span·class="p">/</span[·...·truncated·by·diffoscope;·len:·120,·SHA:·0ff21666c3e67167502e054c13bce6ad6f73420ccad928174ca39fb652311cc6·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 142 | </span><span·class="w"> | 142 | </span><span·class="w"> |
| 143 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 143 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1925653053-7">(</span><span·class="n">CONNECT_STR</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"DSN=sqlserver;UID=alladin;PWD=sesame"</span><span·class="p"·data-group-id="1925653053-7">)</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 144 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 145 | </span><span·class="c1">%%·COMMON·TEST·CALLBACK·FUNCTIONS</span><span·class="w"> | 145 | </span><span·class="c1">%%·COMMON·TEST·CALLBACK·FUNCTIONS</span><span·class="w"> |
| 146 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 146 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 147 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 147 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 148 | </span><span·class="c1">%%·Function:·suite()·->·Info</span><span·class="w"> | 148 | </span><span·class="c1">%%·Function:·suite()·->·Info</span><span·class="w"> |
| 149 | </span><span·class="c1">%%</span><span·class="w"> | 149 | </span><span·class="c1">%%</span><span·class="w"> |
| 150 | </span><span·class="c1">%%·Info·=·[tuple()]</span><span·class="w"> | 150 | </span><span·class="c1">%%·Info·=·[tuple()]</span><span·class="w"> |
| 151 | </span><span·class="c1">%%···List·of·key/value·pairs.</span><span·class="w"> | 151 | </span><span·class="c1">%%···List·of·key/value·pairs.</span><span·class="w"> |
| 152 | </span><span·class="c1">%%</span><span·class="w"> | 152 | </span><span·class="c1">%%</span><span·class="w"> |
| 153 | </span><span·class="c1">%%·Description:·Returns·list·of·tuples·to·set·default·properties</span><span·class="w"> | 153 | </span><span·class="c1">%%·Description:·Returns·list·of·tuples·to·set·default·properties</span><span·class="w"> |
| 154 | </span><span·class="c1">%%··············for·the·suite.</span><span·class="w"> | 154 | </span><span·class="c1">%%··············for·the·suite.</span><span·class="w"> |
| 155 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 155 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 156 | </span><span·class="nf">suite</span><span·class="p"·data-group-id=" | 156 | </span><span·class="nf">suite</span><span·class="p"·data-group-id="1925653053-8">(</span><span·class="p"·data-group-id="1925653053-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 157 | ····</span><span·class="p"·data-group-id=" | 157 | ····</span><span·class="p"·data-group-id="1925653053-9">[</span><span·class="p"·data-group-id="1925653053-10">{</span><span·class="ss">timetrap</span><span·class="p">,</span><span·class="p"·data-group-id="1925653053-11">{</span><span·class="ss">minutes</span><span·class="p">,</span><span·class="mi[·...·truncated·by·diffoscope;·len:·159,·SHA:·0b580340b2d6ca8279833ccfb623a3f507575bf139d6b9460e3381125326befd·...·]-9">]</span><span·class="p">.</span><span·class="w"> |
| 158 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 158 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 159 | </span><span·class="c1">%%·Function:·init_per_suite(Config0)·->·Config1</span><span·class="w"> | 159 | </span><span·class="c1">%%·Function:·init_per_suite(Config0)·->·Config1</span><span·class="w"> |
| 160 | </span><span·class="c1">%%</span><span·class="w"> | 160 | </span><span·class="c1">%%</span><span·class="w"> |
| 161 | </span><span·class="c1">%%·Config0·=·Config1·=·[tuple()]</span><span·class="w"> | 161 | </span><span·class="c1">%%·Config0·=·Config1·=·[tuple()]</span><span·class="w"> |
| 162 | </span><span·class="c1">%%···A·list·of·key/value·pairs,·holding·the·test·case·configuration.</span><span·class="w"> | 162 | </span><span·class="c1">%%···A·list·of·key/value·pairs,·holding·the·test·case·configuration.</span><span·class="w"> |
| 163 | </span><span·class="c1">%%</span><span·class="w"> | 163 | </span><span·class="c1">%%</span><span·class="w"> |
| 164 | </span><span·class="c1">%%·Description:·Initialization·before·the·suite.</span><span·class="w"> | 164 | </span><span·class="c1">%%·Description:·Initialization·before·the·suite.</span><span·class="w"> |
| 165 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 165 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 166 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id=" | 166 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id="1925653053-12">(</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 167 | ····</span><span·class="p"·data-group-id=" | 167 | ····</span><span·class="p"·data-group-id="1925653053-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ref</span><span·class="p"·data-group-id="1925653053-13">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·383,·SHA:·0a9593c0072d071a9d7db57251707261731f281b9a0e2be343c249cacadcccf1·...·]-14">)</span><span·class="p">,</span><span·class="w"> |
| 168 | ····</span><span·class="n">TableName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">db_lib</span><span·class="p">:</span><span·class="nf">unique_table_name</span><span·class="p"·data-group-id=" | 168 | ····</span><span·class="n">TableName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">db_lib</span><span·class="p">:</span><span·class="nf">unique_table_name</span><span·class="p"·data-group-id="1925653053-16">(</span><span·class="p"·data-group-id="1925653053-16">)</span><span·class="p">,</span><span·class="w"> |
| 169 | ····</span><span·class="p"·data-group-id=" | 169 | ····</span><span·class="p"·data-group-id="1925653053-17">[</span><span·class="p"·data-group-id="1925653053-18">{</span><span·class="ss">con_ref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ref</span><span·class="w">·</span><span·class="p"·data-group-id="1925653053-18">}</s[·...·truncated·by·diffoscope;·len:·368,·SHA:·48fe6261ee5837a94330eae59bc37ca3c374b3c1c2b637f2f5f436f8b0ec3963·...·]-17">]</span><span·class="p">.</span><span·class="w"> |
| 170 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 170 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 171 | </span><span·class="c1">%%·Function:·end_per_suite(Config)·->·term()</span><span·class="w"> | 171 | </span><span·class="c1">%%·Function:·end_per_suite(Config)·->·term()</span><span·class="w"> |
| 172 | </span><span·class="c1">%%</span><span·class="w"> | 172 | </span><span·class="c1">%%</span><span·class="w"> |
| 173 | </span><span·class="c1">%%·Config·=·[tuple()]</span><span·class="w"> | 173 | </span><span·class="c1">%%·Config·=·[tuple()]</span><span·class="w"> |
| 174 | </span><span·class="c1">%%···A·list·of·key/value·pairs,·holding·the·test·case·configuration.</span><span·class="w"> | 174 | </span><span·class="c1">%%···A·list·of·key/value·pairs,·holding·the·test·case·configuration.</span><span·class="w"> |
| 175 | </span><span·class="c1">%%</span><span·class="w"> | 175 | </span><span·class="c1">%%</span><span·class="w"> |
| 176 | </span><span·class="c1">%%·Description:·Cleanup·after·the·suite.</span><span·class="w"> | 176 | </span><span·class="c1">%%·Description:·Cleanup·after·the·suite.</span><span·class="w"> |
| 177 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 177 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 178 | </span><span·class="nf">end_per_suite</span><span·class="p"·data-group-id=" | 178 | </span><span·class="nf">end_per_suite</span><span·class="p"·data-group-id="1925653053-20">(</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 179 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="1925653053-21">(</span><span·class="ss">con_ref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-21">)</span><span·class="p">,</span><span·class="w"> |
| 180 | ····</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">disconnect</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">disconnect</span><span·class="p"·data-group-id="1925653053-22">(</span><span·class="n">Ref</span><span·class="p"·data-group-id="1925653053-22">)</span><span·class="p">,</span><span·class="w"> |
| 181 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 181 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 182 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 183 | </span><span·class="c1">%%·Function:·init_per_testcase(TestCase,·Config0)·->·Config1</span><span·class="w"> | 183 | </span><span·class="c1">%%·Function:·init_per_testcase(TestCase,·Config0)·->·Config1</span><span·class="w"> |
| 184 | </span><span·class="c1">%%</span><span·class="w"> | 184 | </span><span·class="c1">%%</span><span·class="w"> |
| 185 | </span><span·class="c1">%%·TestCase·=·atom()</span><span·class="w"> | 185 | </span><span·class="c1">%%·TestCase·=·atom()</span><span·class="w"> |
| 186 | </span><span·class="c1">%%···Name·of·the·test·case·that·is·about·to·run.</span><span·class="w"> | 186 | </span><span·class="c1">%%···Name·of·the·test·case·that·is·about·to·run.</span><span·class="w"> |
| 187 | </span><span·class="c1">%%·Config0·=·Config1·=·[tuple()]</span><span·class="w"> | 187 | </span><span·class="c1">%%·Config0·=·Config1·=·[tuple()]</span><span·class="w"> |
| 188 | </span><span·class="c1">%%···A·list·of·key/value·pairs,·holding·the·test·case·configuration.</span><span·class="w"> | 188 | </span><span·class="c1">%%···A·list·of·key/value·pairs,·holding·the·test·case·configuration.</span><span·class="w"> |
| 189 | </span><span·class="c1">%%</span><span·class="w"> | 189 | </span><span·class="c1">%%</span><span·class="w"> |
| 190 | </span><span·class="c1">%%·Description:·Initialization·before·each·test·case.</span><span·class="w"> | 190 | </span><span·class="c1">%%·Description:·Initialization·before·each·test·case.</span><span·class="w"> |
| 191 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 191 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 192 | </span><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id=" | 192 | </span><span·class="nf">init_per_testcase</span><span·class="p"·data-group-id="1925653053-23">(</span><span·class="n">Case</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-23">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 193 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 193 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="1925653053-24">(</span><span·class="ss">con_ref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-24">)</span><span·class="p">,</span><span·class="w"> |
| 194 | ····</span><span·class="n">TableName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 194 | ····</span><span·class="n">TableName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="1925653053-25">(</span><span·class="ss">table_name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-25">)</span><span·class="p">,</span><span·class="w"> |
| 195 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 195 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="1925653053-26">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TableName</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">table_type</span><span·class="p"·data-group-id="1925653053-27"[·...·truncated·by·diffoscope;·len:·131,·SHA:·43c1c42ac3b8dd6117bcfbac29774b04ef650a7e41e5da15870ca4d5db350ba4·...·]-26">)</span><span·class="p">,</span><span·class="w"> |
| 196 | ····</span><span·class="n">Config</span><span·class="p">.</span><span·class="w"> | 196 | ····</span><span·class="n">Config</span><span·class="p">.</span><span·class="w"> |
| 197 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 197 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 198 | </span><span·class="c1">%%·Function:·end_per_testcase(TestCase,·Config)·->·term()</span><span·class="w"> | 198 | </span><span·class="c1">%%·Function:·end_per_testcase(TestCase,·Config)·->·term()</span><span·class="w"> |
| 199 | </span><span·class="c1">%%</span><span·class="w"> | 199 | </span><span·class="c1">%%</span><span·class="w"> |
| 200 | </span><span·class="c1">%%·TestCase·=·atom()</span><span·class="w"> | 200 | </span><span·class="c1">%%·TestCase·=·atom()</span><span·class="w"> |
| 201 | </span><span·class="c1">%%···Name·of·the·test·case·that·is·finished.</span><span·class="w"> | 201 | </span><span·class="c1">%%···Name·of·the·test·case·that·is·finished.</span><span·class="w"> |
| 202 | </span><span·class="c1">%%·Config·=·[tuple()]</span><span·class="w"> | 202 | </span><span·class="c1">%%·Config·=·[tuple()]</span><span·class="w"> |
| 203 | </span><span·class="c1">%%···A·list·of·key/value·pairs,·holding·the·test·case·configuration.</span><span·class="w"> | 203 | </span><span·class="c1">%%···A·list·of·key/value·pairs,·holding·the·test·case·configuration.</span><span·class="w"> |
| 204 | </span><span·class="c1">%%</span><span·class="w"> | 204 | </span><span·class="c1">%%</span><span·class="w"> |
| 205 | </span><span·class="c1">%%·Description:·Cleanup·after·each·test·case.</span><span·class="w"> | 205 | </span><span·class="c1">%%·Description:·Cleanup·after·each·test·case.</span><span·class="w"> |
| 206 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 206 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 207 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id=" | 207 | </span><span·class="nf">end_per_testcase</span><span·class="p"·data-group-id="1925653053-28">(</span><span·class="p">_</span><span·class="n">Case</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-28">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 208 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 208 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="1925653053-29">(</span><span·class="ss">con_ref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-29">)</span><span·class="p">,</span><span·class="w"> |
| 209 | ····</span><span·class="n">TableName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 209 | ····</span><span·class="n">TableName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="1925653053-30">(</span><span·class="ss">table_name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-30">)</span><span·class="p">,</span><span·class="w"> |
| 210 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">delete_table</span><span·class="p"·data-group-id=" | 210 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">delete_table</span><span·class="p"·data-group-id="1925653053-31">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TableName</span><span·class="p"·data-group-id="1925653053-31">)</span><span·class="p">,</span><span·class="w"> |
| 211 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 211 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 212 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 212 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 213 | </span><span·class="c1">%%·Function:·all()·->·GroupsAndTestCases</span><span·class="w"> | 213 | </span><span·class="c1">%%·Function:·all()·->·GroupsAndTestCases</span><span·class="w"> |
| 214 | </span><span·class="c1">%%</span><span·class="w"> | 214 | </span><span·class="c1">%%</span><span·class="w"> |
| 215 | </span><span·class="c1">%%·GroupsAndTestCases·=·[{group,GroupName}·|·TestCase]</span><span·class="w"> | 215 | </span><span·class="c1">%%·GroupsAndTestCases·=·[{group,GroupName}·|·TestCase]</span><span·class="w"> |
| 216 | </span><span·class="c1">%%·GroupName·=·atom()</span><span·class="w"> | 216 | </span><span·class="c1">%%·GroupName·=·atom()</span><span·class="w"> |
| 217 | </span><span·class="c1">%%···Name·of·a·test·case·group.</span><span·class="w"> | 217 | </span><span·class="c1">%%···Name·of·a·test·case·group.</span><span·class="w"> |
| 218 | </span><span·class="c1">%%·TestCase·=·atom()</span><span·class="w"> | 218 | </span><span·class="c1">%%·TestCase·=·atom()</span><span·class="w"> |
| 219 | </span><span·class="c1">%%···Name·of·a·test·case.</span><span·class="w"> | 219 | </span><span·class="c1">%%···Name·of·a·test·case.</span><span·class="w"> |
| 220 | </span><span·class="c1">%%</span><span·class="w"> | 220 | </span><span·class="c1">%%</span><span·class="w"> |
| 221 | </span><span·class="c1">%%·Description:·Returns·the·list·of·groups·and·test·cases·that</span><span·class="w"> | 221 | </span><span·class="c1">%%·Description:·Returns·the·list·of·groups·and·test·cases·that</span><span·class="w"> |
| 222 | </span><span·class="c1">%%··············are·to·be·executed.</span><span·class="w"> | 222 | </span><span·class="c1">%%··············are·to·be·executed.</span><span·class="w"> |
| 223 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 223 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 224 | </span><span·class="nf">all</span><span·class="p"·data-group-id=" | 224 | </span><span·class="nf">all</span><span·class="p"·data-group-id="1925653053-32">(</span><span·class="p"·data-group-id="1925653053-32">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 225 | ····</span><span·class="p"·data-group-id=" | 225 | ····</span><span·class="p"·data-group-id="1925653053-33">[</span><span·class="ss">string</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">integer</span><span·class="p"·data-group-id="1925653053-33">]</span><span·class="p">.</span><span·class="w"> |
| 226 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 226 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 227 | </span><span·class="c1">%%·TEST·CASES</span><span·class="w"> | 227 | </span><span·class="c1">%%·TEST·CASES</span><span·class="w"> |
| 228 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> | 228 | </span><span·class="c1">%%--------------------------------------------------------------------</span><span·class="w"> |
| 229 | </span><span·class="nf">string</span><span·class="p"·data-group-id=" | 229 | </span><span·class="nf">string</span><span·class="p"·data-group-id="1925653053-34">(</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-34">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 230 | ····</span><span·class="nf">insert_and_lookup</span><span·class="p"·data-group-id=" | 230 | ····</span><span·class="nf">insert_and_lookup</span><span·class="p"·data-group-id="1925653053-35">(</span><span·class="ss">dummy_key</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Dummy·string"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·13,·SHA:·c782d96b23054004d0fce64811f0a6343d5d34bd3de5a9557b11403d10b2b5eb·...·]-35">)</span><span·class="p">.</span><span·class="w"> |
| 231 | </span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 231 | </span><span·class="nf">integer</span><span·class="p"·data-group-id="1925653053-36">(</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-36">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ····</span><span·class="nf">insert_and_lookup</span><span·class="p"·data-group-id=" | 232 | ····</span><span·class="nf">insert_and_lookup</span><span·class="p"·data-group-id="1925653053-37">(</span><span·class="ss">dummy_key</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">42</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-37">)</span><span·class="p">.</span><span·class="w"> |
| 233 | </span><span·class="nf">insert_and_lookup</span><span·class="p"·data-group-id=" | 233 | </span><span·class="nf">insert_and_lookup</span><span·class="p"·data-group-id="1925653053-38">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Value</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-38">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 234 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 234 | ····</span><span·class="n">Ref</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="1925653053-39">(</span><span·class="ss">con_ref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-39">)</span><span·class="p">,</span><span·class="w"> |
| 235 | ····</span><span·class="n">TableName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 235 | ····</span><span·class="n">TableName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="1925653053-40">(</span><span·class="ss">table_name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1925653053-40">)</span><span·class="p">,</span><span·class="w"> |
| 236 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id=" | 236 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="1925653053-41">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TableName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·64,·SHA:·b6f4a8a7a442b885b3d025a521e9f10614cd42799cfd25f4eb22047daf9378a9·...·]-41">)</span><span·class="p">,</span><span·class="w"> |
| 237 | ····</span><span·class="p"·data-group-id=" | 237 | ····</span><span·class="p"·data-group-id="1925653053-42">[</span><span·class="n">Value</span><span·class="p"·data-group-id="1925653053-42">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">db</span><span·class="p">:</span><span·class="nf">lookup</span[·...·truncated·by·diffoscope;·len:·276,·SHA:·47f27fddb56cb8f0593a7028c82b50d824786b48cd3733699638bc16f2bcd146·...·]-43">)</span><span·class="p">,</span><span·class="w"> |
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| 165 | ··</a> | 165 | ··</a> |
| 166 | ··<span·class="text">A·Simple·Test·Suite</span> | 166 | ··<span·class="text">A·Simple·Test·Suite</span> |
| 167 | </h2> | 167 | </h2> |
| 168 | <p>As·shown·in·section·<a·href="basics_chapter.html#External_Interfaces">Common·Test·Basics</a>, | 168 | <p>As·shown·in·section·<a·href="basics_chapter.html#External_Interfaces">Common·Test·Basics</a>, |
| 169 | the·test·suite·module·implements·<a·href="ct_suite.html">callback·functions</a>·(mandatory | 169 | the·test·suite·module·implements·<a·href="ct_suite.html">callback·functions</a>·(mandatory |
| 170 | or·optional)·for·various·purposes,·for·example:</p><ul><li>Init/end·configuration·function·for·the·test·suite</li><li>Init/end·configuration·function·for·a·test·case</li><li>Init/end·configuration·function·for·a·test·case·group</li><li>Test·cases</li></ul><p>The·configuration·functions·are·optional.·The·following·example·is·a·test·suite | 170 | or·optional)·for·various·purposes,·for·example:</p><ul><li>Init/end·configuration·function·for·the·test·suite</li><li>Init/end·configuration·function·for·a·test·case</li><li>Init/end·configuration·function·for·a·test·case·group</li><li>Test·cases</li></ul><p>The·configuration·functions·are·optional.·The·following·example·is·a·test·suite |
| 171 | without·configuration·functions,·including·one·simple·test·case,·to·check·that | 171 | without·configuration·functions,·including·one·simple·test·case,·to·check·that |
| 172 | module·<code·class="inline">mymod</code>·exists·(that·is,·can·be·successfully·loaded·by·the·code·server):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 172 | module·<code·class="inline">mymod</code>·exists·(that·is,·can·be·successfully·loaded·by·the·code·server):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4301175917-1">(</span><span·class="ss">my1st_SUITE</span><span·class="p"·data-group-id="4301175917-1">)</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 173 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="4301175917-2">(</span><span·class="ss">export_all</span><span·class="p"·data-group-id="4301175917-2">)</span><span·class="p">.</span><span·class="w"> |
| 174 | </span><span·class="nf">all</span><span·class="p"·data-group-id=" | 174 | </span><span·class="nf">all</span><span·class="p"·data-group-id="4301175917-3">(</span><span·class="p"·data-group-id="4301175917-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 175 | ····</span><span·class="p"·data-group-id=" | 175 | ····</span><span·class="p"·data-group-id="4301175917-4">[</span><span·class="ss">mod_exists</span><span·class="p"·data-group-id="4301175917-4">]</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="nf">mod_exists</span><span·class="p"·data-group-id=" | 176 | </span><span·class="nf">mod_exists</span><span·class="p"·data-group-id="4301175917-5">(</span><span·class="p">_</span><span·class="p"·data-group-id="4301175917-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ····</span><span·class="p"·data-group-id=" | 177 | ····</span><span·class="p"·data-group-id="4301175917-6">{</span><span·class="ss">module</span><span·class="p">,</span><span·class="ss">mymod</span><span·class="p"·data-group-id="4301175917-6">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</spa[·...·truncated·by·diffoscope;·len:·182,·SHA:·2f68c7c046c474fc7a5285f3e819321a82bcaeaa83fcfa6576336695f0a34fd9·...·]-7">)</span><span·class="p">.</span></code></pre><p>If·the·operation·fails,·a·bad·match·error·occurs·that·terminates·the·test·case.</p><h2·id="a-test-suite-with-configuration-functions"·class="section-heading"> |
| 178 | ··<a·href="#a-test-suite-with-configuration-functions"·class="hover-link"> | 178 | ··<a·href="#a-test-suite-with-configuration-functions"·class="hover-link"> |
| 179 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 179 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 180 | ··</a> | 180 | ··</a> |
| 181 | ··<span·class="text">A·Test·Suite·with·Configuration·Functions</span> | 181 | ··<span·class="text">A·Test·Suite·with·Configuration·Functions</span> |
| 182 | </h2> | 182 | </h2> |
| 183 | <p>If·you·need·to·perform·configuration·operations·to·run·your·test,·you·can | 183 | <p>If·you·need·to·perform·configuration·operations·to·run·your·test,·you·can |
| 184 | implement·configuration·functions·in·your·suite.·The·result·from·a·configuration | 184 | implement·configuration·functions·in·your·suite.·The·result·from·a·configuration |
| 185 | function·is·configuration·data,·or·<code·class="inline">Config</code>.·This·is·a·list·of·key-value·tuples | 185 | function·is·configuration·data,·or·<code·class="inline">Config</code>.·This·is·a·list·of·key-value·tuples |
| 186 | that·get·passed·from·the·configuration·function·to·the·test·cases·(possibly | 186 | that·get·passed·from·the·configuration·function·to·the·test·cases·(possibly |
| 187 | through·configuration·functions·on·"lower·level").·The·data·flow·looks·as | 187 | through·configuration·functions·on·"lower·level").·The·data·flow·looks·as |
| 188 | follows:</p><p><img·src="assets/config.gif"·alt="Configuration·Data·Flow·in·a·Suite"·title="Configuration·Data·Flow·in·a·Suite"/></p><p>The·following·example·shows·a·test·suite·that·uses·configuration·functions·to | 188 | follows:</p><p><img·src="assets/config.gif"·alt="Configuration·Data·Flow·in·a·Suite"·title="Configuration·Data·Flow·in·a·Suite"/></p><p>The·following·example·shows·a·test·suite·that·uses·configuration·functions·to |
| 189 | open·and·close·a·log·file·for·the·test·cases·(an·operation·that·is·unnecessary | 189 | open·and·close·a·log·file·for·the·test·cases·(an·operation·that·is·unnecessary |
| 190 | and·irrelevant·to·perform·by·each·test·case):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 190 | and·irrelevant·to·perform·by·each·test·case):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="9363937199-1">(</span><span·class="ss">check_log_SUITE</span><span·class="p"·data-group-id="9363937199-1">)</span><span·class="p">.</span><span·class="w"> |
| 191 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 191 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="9363937199-2">(</span><span·class="p"·data-group-id="9363937199-3">[</span><span·class="ss">all</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init_per_suite</span><span·class="p">/</[·...·truncated·by·diffoscope;·len:·258,·SHA:·3ceb277aaff8ed4c5d00ea639f48a93a817094fdb1592c74eff8443260a27e68·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 192 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 192 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="9363937199-4">(</span><span·class="p"·data-group-id="9363937199-5">[</span><span·class="ss">check_restart_result</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">check_no_errors</span><[·...·truncated·by·diffoscope;·len:·142,·SHA:·c0c769aacba93c88524b19068b8af18140a8f14140204da82f9c4b93e8593531·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 193 | </span><span·class="w"> | 193 | </span><span·class="w"> |
| 194 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 194 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="9363937199-6">(</span><span·class="nf">value</span><span·class="p"·data-group-id="9363937199-7">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="n">Config</span><span·class="p"·data-group-id="9363937199-7">)</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·344,·SHA:·f767e09460fe6b994984e1ed3f9767d24c4bcfb09eff59342c15304cff879435·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 195 | </span><span·class="nf">all</span><span·class="p"·data-group-id=" | 195 | </span><span·class="nf">all</span><span·class="p"·data-group-id="9363937199-9">(</span><span·class="p"·data-group-id="9363937199-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="9363937199-10">[</span><span·class="ss">check_restart_result</span><span·c[·...·truncated·by·diffoscope;·len:·121,·SHA:·12d5a390de40e95096b7c974507f7cf177d91ce9bea0511e91260fd27e87a893·...·]-10">]</span><span·class="p">.</span><span·class="w"> |
| 196 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id=" | 196 | </span><span·class="nf">init_per_suite</span><span·class="p"·data-group-id="9363937199-11">(</span><span·class="n">InitConfigData</span><span·class="p"·data-group-id="9363937199-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 197 | ····</span><span·class="p"·data-group-id=" | 197 | ····</span><span·class="p"·data-group-id="9363937199-12">[</span><span·class="p"·data-group-id="9363937199-13">{</span><span·class="ss">logref</span><span·class="p">,</span><span·class="nf">open_log</span><span·class="p"·data-group-id="9363937199-14">(</span><span·class="p"·data-group-id="93639371[·...·truncated·by·diffoscope;·len:·219,·SHA:·f94e4da3c3b2a0f67f524cd63bd697e0ff8bb24d9d8da9535a25a1b43e243424·...·]-12">]</span><span·class="p">.</span><span·class="w"> |
| 198 | </span><span·class="nf">end_per_suite</span><span·class="p"·data-group-id=" | 198 | </span><span·class="nf">end_per_suite</span><span·class="p"·data-group-id="9363937199-15">(</span><span·class="n">ConfigData</span><span·class="p"·data-group-id="9363937199-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 199 | ····</span><span·class="nf">close_log</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="nf">close_log</span><span·class="p"·data-group-id="9363937199-16">(</span><span·class="o">?</span><span·class="nf">value</span><span·class="p"·data-group-id="9363937199-17">(</span><span·class="ss">logref</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ConfigData</span><span·class="p"[·...·truncated·by·diffoscope;·len:·80,·SHA:·4599c6c8f8724ca9e1ae5e7500d59b8f9d7c80548b6080f12205a337a35aaade·...·]-16">)</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="nf">check_restart_result</span><span·class="p"·data-group-id=" | 200 | </span><span·class="nf">check_restart_result</span><span·class="p"·data-group-id="9363937199-18">(</span><span·class="n">ConfigData</span><span·class="p"·data-group-id="9363937199-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 201 | ····</span><span·class="n">TestData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">read_log</span><span·class="p"·data-group-id=" | 201 | ····</span><span·class="n">TestData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">read_log</span><span·class="p"·data-group-id="9363937199-19">(</span><span·class="ss">restart</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="nf">value</span><span·class="p"·data-group-id="9363937199-20">(</span><span·class="ss">logref</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·159,·SHA:·69955761011da68dd35cfc947c352b58250e68809ebc63a7bb645a036dd0d29b·...·]-19">)</span><span·class="p">,</span><span·class="w"> |
| 202 | ····</span><span·class="p"·data-group-id=" | 202 | ····</span><span·class="p"·data-group-id="9363937199-21">{</span><span·class="ss">match</span><span·class="p">,</span><span·class="p">_</span><span·class="n">Line</span><span·class="p"·data-group-id="9363937199-21">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·258,·SHA:·4c005d4ee8e4dbb706b8a7f9f80844fa3107e7c22e139bb4afc5fc54319ec87e·...·]-22">)</span><span·class="p">.</span><span·class="w"> |
| 203 | </span><span·class="nf">check_no_errors</span><span·class="p"·data-group-id=" | 203 | </span><span·class="nf">check_no_errors</span><span·class="p"·data-group-id="9363937199-23">(</span><span·class="n">ConfigData</span><span·class="p"·data-group-id="9363937199-23">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 204 | ····</span><span·class="n">TestData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">read_log</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="n">TestData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">read_log</span><span·class="p"·data-group-id="9363937199-24">(</span><span·class="ss">all</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="nf">value</span><span·class="p"·data-group-id="9363937199-25">(</span><span·class="ss">logref</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·155,·SHA:·6b63a3fbad00d225b3b01b2910180e912521c4d90e525c8b1ebd6cd894dd8e68·...·]-24">)</span><span·class="p">,</span><span·class="w"> |
| 205 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">search_for</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">search_for</span><span·class="p"·data-group-id="9363937199-26">(</span><span·class="s">"error"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TestData</span><span·class="p"·data-group-id="9363937199-26">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 206 | ········</span><span·class="p"·data-group-id=" | 206 | ········</span><span·class="p"·data-group-id="9363937199-27">{</span><span·class="ss">match</span><span·class="p">,</span><span·class="n">Line</span><span·class="p"·data-group-id="9363937199-27">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">ct</sp[·...·truncated·by·diffoscope;·len:·351,·SHA:·ab29c6320440836fea2d91aff6c87119a994ea07e802852aed47a6dadd0dbd03·...·]-28">)</span><span·class="p">;</span><span·class="w"> |
| 207 | ········</span><span·class="ss">nomatch</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w"> | 207 | ········</span><span·class="ss">nomatch</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w"> |
| 208 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·test·cases·verify,·by·parsing·a·log·file,·that·our·SUT·has·performed·a | 208 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·test·cases·verify,·by·parsing·a·log·file,·that·our·SUT·has·performed·a |
| 209 | successful·restart·and·that·no·unexpected·errors·are·printed.</p><p>To·execute·the·test·cases·in·the·recent·test·suite,·type·the·following·on·the | 209 | successful·restart·and·that·no·unexpected·errors·are·printed.</p><p>To·execute·the·test·cases·in·the·recent·test·suite,·type·the·following·on·the |
| 210 | UNIX/Linux·command·line·(assuming·that·the·suite·module·is·in·the·current | 210 | UNIX/Linux·command·line·(assuming·that·the·suite·module·is·in·the·current |
| 211 | working·directory):</p><pre><code·class="text">$·ct_run·-dir·.</code></pre><p>or:</p><pre><code·class="text">$·ct_run·-suite·check_log_SUITE</code></pre><p>To·use·the·Erlang·shell·to·run·our·test,·you·can·evaluate·the·following·call:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">run_test</span><span·class="p"·data-group-id=" | 211 | working·directory):</p><pre><code·class="text">$·ct_run·-dir·.</code></pre><p>or:</p><pre><code·class="text">$·ct_run·-suite·check_log_SUITE</code></pre><p>To·use·the·Erlang·shell·to·run·our·test,·you·can·evaluate·the·following·call:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ct</span><span·class="p">:</span><span·class="nf">run_test</span><span·class="p"·data-group-id="2593749759-1">(</span><span·class="p"·data-group-id="2593749759-2">[</span><span·class="p"·data-group-id="2593749759-3">{</span><span·class="ss">dir</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"."</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·795,·SHA:·3fdfda6b2923a52d80104d1eed67d379f61861ea2dcd511a975edbe888d95684·...·]-1">)</span><span·class="p">.</span></code></pre><p>The·result·from·running·the·test·is·printed·in·log·files·in·HTML·format·(stored |
| 212 | in·unique·log·directories·on·a·different·level).·The·following·illustration | 212 | in·unique·log·directories·on·a·different·level).·The·following·illustration |
| 213 | shows·the·log·file·structure:</p><p><img·src="assets/html_logs.gif"·alt="HTML·Log·File·Structure"·title="HTML·Log·File·Structure"/></p><h2·id="questions-and-answers"·class="section-heading"> | 213 | shows·the·log·file·structure:</p><p><img·src="assets/html_logs.gif"·alt="HTML·Log·File·Structure"·title="HTML·Log·File·Structure"/></p><h2·id="questions-and-answers"·class="section-heading"> |
| 214 | ··<a·href="#questions-and-answers"·class="hover-link"> | 214 | ··<a·href="#questions-and-answers"·class="hover-link"> |
| 215 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 215 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 216 | ··</a> | 216 | ··</a> |
| 217 | ··<span·class="text">Questions·and·Answers</span> | 217 | ··<span·class="text">Questions·and·Answers</span> |
| 218 | </h2> | 218 | </h2> |
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| 293 | ······<p·class="built-using"> | 293 | ······<p·class="built-using"> |
| 294 | ········Built·using | 294 | ········Built·using |
| 295 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 295 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 296 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 296 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 297 | ······</p> | 297 | ······</p> |
| 298 | <p>Copyright·©·1996-202 | 298 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 299 | ····</footer> | 299 | ····</footer> |
| 300 | ··</div> | 300 | ··</div> |
| 301 | </main> | 301 | </main> |
| 302 | </div> | 302 | </div> |
| 303 | <script> | 303 | <script> |
| 304 | ··function·mermaidLoaded()·{ | 304 | ··function·mermaidLoaded()·{ |
| 305 | ····mermaid.initialize({ | 305 | ····mermaid.initialize({ |
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| 186 | ······<p·class="built-using"> | 186 | ······<p·class="built-using"> |
| 187 | ········Built·using | 187 | ········Built·using |
| 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 190 | ······</p> | 190 | ······</p> |
| 191 | <p>Copyright·©·1996-202 | 191 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 192 | ····</footer> | 192 | ····</footer> |
| 193 | ··</div> | 193 | ··</div> |
| 194 | </main> | 194 | </main> |
| 195 | </div> | 195 | </div> |
| 196 | <script> | 196 | <script> |
| 197 | ··function·mermaidLoaded()·{ | 197 | ··function·mermaidLoaded()·{ |
| 198 | ····mermaid.initialize({ | 198 | ····mermaid.initialize({ |
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| 200 | ······<p·class="built-using"> | 200 | ······<p·class="built-using"> |
| 201 | ········Built·using | 201 | ········Built·using |
| 202 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 202 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 203 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 203 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 204 | ······</p> | 204 | ······</p> |
| 205 | <p>Copyright·©·1996-202 | 205 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 206 | ····</footer> | 206 | ····</footer> |
| 207 | ··</div> | 207 | ··</div> |
| 208 | </main> | 208 | </main> |
| 209 | </div> | 209 | </div> |
| 210 | <script> | 210 | <script> |
| 211 | ··function·mermaidLoaded()·{ | 211 | ··function·mermaidLoaded()·{ |
| 212 | ····mermaid.initialize({ | 212 | ····mermaid.initialize({ |
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| 2830 | ······<p·class="built-using"> | 2830 | ······<p·class="built-using"> |
| 2831 | ········Built·using | 2831 | ········Built·using |
| 2832 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2832 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2833 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2833 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2834 | ······</p> | 2834 | ······</p> |
| 2835 | <p>Copyright·©·1996-202 | 2835 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2836 | ····</footer> | 2836 | ····</footer> |
| 2837 | ··</div> | 2837 | ··</div> |
| 2838 | </main> | 2838 | </main> |
| 2839 | </div> | 2839 | </div> |
| 2840 | <script> | 2840 | <script> |
| 2841 | ··function·mermaidLoaded()·{ | 2841 | ··function·mermaidLoaded()·{ |
| 2842 | ····mermaid.initialize({ | 2842 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 232 | ······<p·class="built-using"> | 232 | ······<p·class="built-using"> |
| 233 | ········Built·using | 233 | ········Built·using |
| 234 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 234 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 235 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 235 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 236 | ······</p> | 236 | ······</p> |
| 237 | <p>Copyright·©·1996-202 | 237 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 238 | ····</footer> | 238 | ····</footer> |
| 239 | ··</div> | 239 | ··</div> |
| 240 | </main> | 240 | </main> |
| 241 | </div> | 241 | </div> |
| 242 | <script> | 242 | <script> |
| 243 | ··function·mermaidLoaded()·{ | 243 | ··function·mermaidLoaded()·{ |
| 244 | ····mermaid.initialize({ | 244 | ····mermaid.initialize({ |
| Offset 125, 22 lines modified | Offset 125, 22 lines modified | ||
| 125 | ····<small·class="app-vsn"·translate="no">(common_test·v1.27.7)</small> | 125 | ····<small·class="app-vsn"·translate="no">(common_test·v1.27.7)</small> |
| 126 | ··</h1> | 126 | ··</h1> |
| 127 | ····<section·id="moduledoc"> | 127 | ····<section·id="moduledoc"> |
| 128 | <p>Callback·module·for·<a·href="ct_telnet.html"><code·class="inline">ct_telnet</code></a>,·for·connecting·to·a·Telnet·server·on·a·UNIX | 128 | <p>Callback·module·for·<a·href="ct_telnet.html"><code·class="inline">ct_telnet</code></a>,·for·connecting·to·a·Telnet·server·on·a·UNIX |
| 129 | host.</p><p>It·requires·the·following·entry·in·the·configuration·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 129 | host.</p><p>It·requires·the·following·entry·in·the·configuration·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7630485112-1">{</span><span·class="ss">unix</span><span·class="p">,</span><span·class="p"·data-group-id="7630485112-2">[</span><span·class="p"·data-group-id="7630485112-3">{</span><span·class="ss">telnet</span><span·class="p">,</span><span·class="n">HostNa[·...·truncated·by·diffoscope;·len:·61,·SHA:·25bc60f38ad9d3f0797bd178c562482df240d66219347aad60c371ac98d58af6·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 130 | ·······</span><span·class="p"·data-group-id=" | 130 | ·······</span><span·class="p"·data-group-id="7630485112-4">{</span><span·class="ss">port</span><span·class="p">,</span><span·class="n">PortNum</span><span·class="p"·data-group-id="7630485112-4">}</span><span·class="p">,</span><span·class="w">·················</span><span·class="c1">%·optional</span><span·class="w"> |
| 131 | ·······</span><span·class="p"·data-group-id=" | 131 | ·······</span><span·class="p"·data-group-id="7630485112-5">{</span><span·class="ss">username</span><span·class="p">,</span><span·class="n">UserName</span><span·class="p"·data-group-id="7630485112-5">}</span><span·class="p">,</span><span·class="w"> |
| 132 | ·······</span><span·class="p"·data-group-id=" | 132 | ·······</span><span·class="p"·data-group-id="7630485112-6">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="n">Password</span><span·class="p"·data-group-id="7630485112-6">}</span><span·class="p">,</span><span·class="w"> |
| 133 | ·······</span><span·class="p"·data-group-id=" | 133 | ·······</span><span·class="p"·data-group-id="7630485112-7">{</span><span·class="ss">keep_alive</span><span·class="p">,</span><span·class="n">Bool</span><span·class="p"·data-group-id="7630485112-7">}</span><span·class="p"·data-group-id="7630485112-2">]</span><span·class="p"·data-group-id="7630485112-1">}</span><span·class="p">.</span><span·class="w">············</span><span·class="c1">%·optional</span></code></pre><p>To·communicate·through·Telnet·to·the·host·specified·by·<code·class="inline">HostNameOrIpAddress</code>, |
| 134 | use·the·interface·functions·in·<a·href="ct_telnet.html"><code·class="inline">ct_telnet</code></a>,·for·example,·<code·class="inline">open(Name)</code>·and | 134 | use·the·interface·functions·in·<a·href="ct_telnet.html"><code·class="inline">ct_telnet</code></a>,·for·example,·<code·class="inline">open(Name)</code>·and |
| 135 | <code·class="inline">cmd(Name,Cmd)</code>.</p><p><code·class="inline">Name</code>·is·the·name·you·allocated·to·the·Unix·host·in·your·<code·class="inline">require</code>·statement, | 135 | <code·class="inline">cmd(Name,Cmd)</code>.</p><p><code·class="inline">Name</code>·is·the·name·you·allocated·to·the·Unix·host·in·your·<code·class="inline">require</code>·statement, |
| 136 | for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id=" | 136 | for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="0145877028-1">(</span><span·class="p"·data-group-id="0145877028-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="0145877028-2">[</span><span·class="p"·data-group-id="0145877028-3">{</span[·...·truncated·by·diffoscope;·len:·1120,·SHA:·551c4272201d998e755c479ca479c057acb0a665270e3a41e758f706cea67ff8·...·]1-1">)</span><span·class="p">.</span></code></pre><p>The·"keep·alive"·activity·(that·is,·that·<code·class="inline">Common·Test</code>·sends·NOP·to·the·server |
| 137 | every·10·seconds·if·the·connection·is·idle)·can·be·enabled·or·disabled·for·one | 137 | every·10·seconds·if·the·connection·is·idle)·can·be·enabled·or·disabled·for·one |
| 138 | particular·connection·as·described·here.·It·can·be·disabled·for·all·connections | 138 | particular·connection·as·described·here.·It·can·be·disabled·for·all·connections |
| 139 | using·<code·class="inline">telnet_settings</code>·(see·<a·href="ct_telnet.html"><code·class="inline">ct_telnet</code></a>).</p><p>The·<code·class="inline">{port,PortNum}</code>·tuple·is·optional·and·if·omitted,·default·Telnet·port·23·is | 139 | using·<code·class="inline">telnet_settings</code>·(see·<a·href="ct_telnet.html"><code·class="inline">ct_telnet</code></a>).</p><p>The·<code·class="inline">{port,PortNum}</code>·tuple·is·optional·and·if·omitted,·default·Telnet·port·23·is |
| 140 | used.·Also·the·<code·class="inline">keep_alive</code>·tuple·is·optional,·and·the·value·default·to·<code·class="inline">true</code> | 140 | used.·Also·the·<code·class="inline">keep_alive</code>·tuple·is·optional,·and·the·value·default·to·<code·class="inline">true</code> |
| 141 | (enabled).</p><h2·id="module-see-also"·class="section-heading"> | 141 | (enabled).</p><h2·id="module-see-also"·class="section-heading"> |
| 142 | ··<a·href="#module-see-also"·class="hover-link"> | 142 | ··<a·href="#module-see-also"·class="hover-link"> |
| 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 288 | ······<p·class="built-using"> | 288 | ······<p·class="built-using"> |
| 289 | ········Built·using | 289 | ········Built·using |
| 290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 292 | ······</p> | 292 | ······</p> |
| 293 | <p>Copyright·©·1996-202 | 293 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 294 | ····</footer> | 294 | ····</footer> |
| 295 | ··</div> | 295 | ··</div> |
| 296 | </main> | 296 | </main> |
| 297 | </div> | 297 | </div> |
| 298 | <script> | 298 | <script> |
| 299 | ··function·mermaidLoaded()·{ | 299 | ··function·mermaidLoaded()·{ |
| 300 | ····mermaid.initialize({ | 300 | ····mermaid.initialize({ |
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| 206 | ······<p·class="built-using"> | 206 | ······<p·class="built-using"> |
| 207 | ········Built·using | 207 | ········Built·using |
| 208 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 208 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 209 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 209 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 210 | ······</p> | 210 | ······</p> |
| 211 | <p>Copyright·©·1996-202 | 211 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 212 | ····</footer> | 212 | ····</footer> |
| 213 | ··</div> | 213 | ··</div> |
| 214 | </main> | 214 | </main> |
| 215 | </div> | 215 | </div> |
| 216 | <script> | 216 | <script> |
| 217 | ··function·mermaidLoaded()·{ | 217 | ··function·mermaidLoaded()·{ |
| 218 | ····mermaid.initialize({ | 218 | ····mermaid.initialize({ |
| Offset 262, 58 lines modified | Offset 262, 58 lines modified | ||
| 262 | <a·href="write_test_chapter.html#timetraps">Timetrap·Time-Outs</a>.</p></li><li><p><strong><code·class="inline">userdata</code></strong>·-·Specifies·any·data·related·to·the·test·case.·This·data·can·be | 262 | <a·href="write_test_chapter.html#timetraps">Timetrap·Time-Outs</a>.</p></li><li><p><strong><code·class="inline">userdata</code></strong>·-·Specifies·any·data·related·to·the·test·case.·This·data·can·be |
| 263 | retrieved·at·any·time·using·the·<a·href="ct.html#userdata/3"><code·class="inline">ct:userdata/3</code></a>·utility·function.</p></li><li><p><strong><code·class="inline">silent_connections</code></strong>·-·For·details,·see·section | 263 | retrieved·at·any·time·using·the·<a·href="ct.html#userdata/3"><code·class="inline">ct:userdata/3</code></a>·utility·function.</p></li><li><p><strong><code·class="inline">silent_connections</code></strong>·-·For·details,·see·section |
| 264 | <a·href="run_test_chapter.html#silent_connections">Silent·Connections</a>.</p></li><li><p><strong><code·class="inline">require</code></strong>·-·Specifies·configuration·variables·required·by·the·test·case. | 264 | <a·href="run_test_chapter.html#silent_connections">Silent·Connections</a>.</p></li><li><p><strong><code·class="inline">require</code></strong>·-·Specifies·configuration·variables·required·by·the·test·case. |
| 265 | If·the·required·configuration·variables·are·not·found·in·any·of·the·test | 265 | If·the·required·configuration·variables·are·not·found·in·any·of·the·test |
| 266 | system·configuration·files,·the·test·case·is·skipped.</p><p>A·required·variable·can·also·be·given·a·default·value·to·be·used·if·the | 266 | system·configuration·files,·the·test·case·is·skipped.</p><p>A·required·variable·can·also·be·given·a·default·value·to·be·used·if·the |
| 267 | variable·is·not·found·in·any·configuration·file.·To·specify·a·default·value, | 267 | variable·is·not·found·in·any·configuration·file.·To·specify·a·default·value, |
| 268 | add·a·tuple·on·the·form·<code·class="inline">{default_config,ConfigVariableName,Value}</code>·to·the | 268 | add·a·tuple·on·the·form·<code·class="inline">{default_config,ConfigVariableName,Value}</code>·to·the |
| 269 | test·case·information·list·(the·position·in·the·list·is·irrelevant).</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">testcase1</span><span·class="p"·data-group-id=" | 269 | test·case·information·list·(the·position·in·the·list·is·irrelevant).</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">testcase1</span><span·class="p"·data-group-id="1603047967-1">(</span><span·class="p"·data-group-id="1603047967-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 270 | ····</span><span·class="p"·data-group-id=" | 270 | ····</span><span·class="p"·data-group-id="1603047967-2">[</span><span·class="p"·data-group-id="1603047967-3">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ftp</span><span·class="p"·data-group-id="1603047967-3">}</span><span·class="p">,</span><span·class="w"> |
| 271 | ·····</span><span·class="p"·data-group-id=" | 271 | ·····</span><span·class="p"·data-group-id="1603047967-4">{</span><span·class="ss">default_config</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ftp</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1603047967-5">[</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·195,·SHA:·a5a64ded17a64dd8d54858cfdcdf611f91f70413f5b6f18e19403a5b6c3028db·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 272 | ····························</span><span·class="p"·data-group-id=" | 272 | ····························</span><span·class="p"·data-group-id="1603047967-7">{</span><span·class="ss">username</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"aladdin"</span><span·class="p"·data-group-id="1603047967-7">}</span><span·class="p">,</span><span·class="w"> |
| 273 | ····························</span><span·class="p"·data-group-id=" | 273 | ····························</span><span·class="p"·data-group-id="1603047967-8">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"sesame"</span><span·class="p"·data-group-id="1603047967-8">}</span><span·class="p"·data-group-id="1603047967-5">]</span><span·c[·...·truncated·by·diffoscope;·len:·335,·SHA:·7b788d4304ccbdc6eaa3c496435b35226512d2819cbd88d437fed4cf5ed703fb·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 274 | ····</span><span·class="p"·data-group-id=" | 274 | ····</span><span·class="p"·data-group-id="5979401237-2">[</span><span·class="p"·data-group-id="5979401237-3">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">unix_telnet</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">un[·...·truncated·by·diffoscope;·len:·50,·SHA:·dcc7778175f276ff871855ba68ae65f2471ce2beaca89f513e8fb5e7bc61a7bc·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 275 | ·····</span><span·class="p"·data-group-id=" | 275 | ·····</span><span·class="p"·data-group-id="5979401237-4">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5979401237-5">{</span><span·class="ss">unix</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·364,·SHA:·ee54a302292bad9132d0278e26363a319c9f7608dda56c082ebd8c83f23b1ba9·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 276 | ·····</span><span·class="p"·data-group-id=" | 276 | ·····</span><span·class="p"·data-group-id="5979401237-7">{</span><span·class="ss">default_config</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">unix</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5979401237-8">[</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·202,·SHA:·d928c10f55a937c9e94fd50308c65b3d03906466f19dc5161960473168154dcb·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 277 | ·····························</span><span·class="p"·data-group-id=" | 277 | ·····························</span><span·class="p"·data-group-id="5979401237-10">{</span><span·class="ss">username</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"aladdin"</span><span·class="p"·data-group-id="5979401237-10">}</span><span·class="p">,</span><span·class="w"> |
| 278 | ·····························</span><span·class="p"·data-group-id=" | 278 | ·····························</span><span·class="p"·data-group-id="5979401237-11">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"sesame"</span><span·class="p"·data-group-id="5979401237-11">}</span><span·class="p"·data-group-id="5979401237-8">]</span><span[·...·truncated·by·diffoscope;·len:·113,·SHA:·83f5992ace430a25a28ee9f5215d3b4b32314fc313d9533a7c51072a6bc8510b·...·]-2">]</span><span·class="p">.</span></code></pre></li></ul><p>For·more·information·about·<code·class="inline">require</code>,·see·section |
| 279 | <a·href="config_file_chapter.html#require_config_data">Requiring·and·Reading·Configuration·Data</a> | 279 | <a·href="config_file_chapter.html#require_config_data">Requiring·and·Reading·Configuration·Data</a> |
| 280 | in·section·External·Configuration·Data·and·function | 280 | in·section·External·Configuration·Data·and·function |
| 281 | <a·href="ct.html#require/1"><code·class="inline">ct:require/1/2</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Specifying·a·default·value·for·a·required·variable·can·result·in·a·test·case | 281 | <a·href="ct.html#require/1"><code·class="inline">ct:require/1/2</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Specifying·a·default·value·for·a·required·variable·can·result·in·a·test·case |
| 282 | always·getting·executed.·This·might·not·be·a·desired·behavior.</p></section><p>If·<code·class="inline">timetrap</code>·or·<code·class="inline">require</code>,·or·both,·is·not·set·specifically·for·a·particular | 282 | always·getting·executed.·This·might·not·be·a·desired·behavior.</p></section><p>If·<code·class="inline">timetrap</code>·or·<code·class="inline">require</code>,·or·both,·is·not·set·specifically·for·a·particular |
| 283 | test·case,·default·values·specified·by·function | 283 | test·case,·default·values·specified·by·function |
| 284 | <a·href="ct_suite.html#c:suite/0"><code·class="inline">suite/0</code></a>·are·used.</p><p>Tags·other·than·the·earlier·mentioned·are·ignored·by·the·test·server.</p><p>An·example·of·a·test·case·information·function·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">reboot_node</span><span·class="p"·data-group-id=" | 284 | <a·href="ct_suite.html#c:suite/0"><code·class="inline">suite/0</code></a>·are·used.</p><p>Tags·other·than·the·earlier·mentioned·are·ignored·by·the·test·server.</p><p>An·example·of·a·test·case·information·function·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">reboot_node</span><span·class="p"·data-group-id="5467414043-1">(</span><span·class="p"·data-group-id="5467414043-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 285 | ····</span><span·class="p"·data-group-id=" | 285 | ····</span><span·class="p"·data-group-id="5467414043-2">[</span><span·class="w"> |
| 286 | ·····</span><span·class="p"·data-group-id=" | 286 | ·····</span><span·class="p"·data-group-id="5467414043-3">{</span><span·class="ss">timetrap</span><span·class="p">,</span><span·class="p"·data-group-id="5467414043-4">{</span><span·class="ss">seconds</span><span·class="p">,</span><span·class="mi">60</span><span·class="p"·data-group-id="5467414043-4"[·...·truncated·by·diffoscope;·len:·50,·SHA:·4d56a0de4beb0d61ed37d57c399e7449a25e284f22e97b90b4e2f0ad70753de7·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 287 | ·····</span><span·class="p"·data-group-id=" | 287 | ·····</span><span·class="p"·data-group-id="5467414043-5">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="ss">interfaces</span><span·class="p"·data-group-id="5467414043-5">}</span><span·class="p">,</span><span·class="w"> |
| 288 | ·····</span><span·class="p"·data-group-id=" | 288 | ·····</span><span·class="p"·data-group-id="5467414043-6">{</span><span·class="ss">userdata</span><span·class="p">,</span><span·class="w"> |
| 289 | ·········</span><span·class="p"·data-group-id=" | 289 | ·········</span><span·class="p"·data-group-id="5467414043-7">[</span><span·class="p"·data-group-id="5467414043-8">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="s">"System·Upgrade:·RpuAddition·Normal·RebootNode"</span><span·class="p"·data-group-id="5467414043-8">}</span><span·class="p">,</span><span·class="w"> |
| 290 | ··········</span><span·class="p"·data-group-id=" | 290 | ··········</span><span·class="p"·data-group-id="5467414043-9">{</span><span·class="ss">fts</span><span·class="p">,</span><span·class="s">"http://someserver.ericsson.se/test_doc4711.pdf"</span><span·class="p"·data-group-id="5467414043-9">}</span><span·class="p"·data-group-id="5467414043-7">]</s[·...·truncated·by·diffoscope;·len:·45,·SHA:·eae26af23c01362ec62bac6ba1836c378998b00a0896d1480c5845d8fa64143b·...·]-6">}</span><span·class="w"> |
| 291 | ····</span><span·class="p"·data-group-id=" | 291 | ····</span><span·class="p"·data-group-id="5467414043-2">]</span><span·class="p">.</span></code></pre><p><a·href=""·id="suite"></a></p><h2·id="test-suite-information-function"·class="section-heading"> |
| 292 | ··<a·href="#test-suite-information-function"·class="hover-link"> | 292 | ··<a·href="#test-suite-information-function"·class="hover-link"> |
| 293 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 293 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 294 | ··</a> | 294 | ··</a> |
| 295 | ··<span·class="text">Test·Suite·Information·Function</span> | 295 | ··<span·class="text">Test·Suite·Information·Function</span> |
| 296 | </h2> | 296 | </h2> |
| 297 | <p>Function·<a·href="ct_suite.html#c:suite/0"><code·class="inline">suite/0</code></a>·can,·for·example,·be·used·in·a·test | 297 | <p>Function·<a·href="ct_suite.html#c:suite/0"><code·class="inline">suite/0</code></a>·can,·for·example,·be·used·in·a·test |
| 298 | suite·module·to·set·a·default·<code·class="inline">timetrap</code>·value·and·to·<code·class="inline">require</code>·external | 298 | suite·module·to·set·a·default·<code·class="inline">timetrap</code>·value·and·to·<code·class="inline">require</code>·external |
| 299 | configuration·data.·If·a·test·case,·or·a·group·information·function·also | 299 | configuration·data.·If·a·test·case,·or·a·group·information·function·also |
| 300 | specifies·any·of·the·information·tags,·it·overrides·the·default·values·set·by | 300 | specifies·any·of·the·information·tags,·it·overrides·the·default·values·set·by |
| 301 | <code·class="inline">suite/0</code>.·For·details,·see | 301 | <code·class="inline">suite/0</code>.·For·details,·see |
| 302 | <a·href="write_test_chapter.html#info_function">Test·Case·Information·Function</a>·and | 302 | <a·href="write_test_chapter.html#info_function">Test·Case·Information·Function</a>·and |
| 303 | <a·href="write_test_chapter.html#test_case_groups">Test·Case·Groups</a>.</p><p>The·following·options·can·also·be·specified·with·the·suite·information·list:</p><ul><li><code·class="inline">stylesheet</code>,·see·<a·href="run_test_chapter.html#html_stylesheet">HTML·Style·Sheets</a></li><li><code·class="inline">userdata</code>,·see | 303 | <a·href="write_test_chapter.html#test_case_groups">Test·Case·Groups</a>.</p><p>The·following·options·can·also·be·specified·with·the·suite·information·list:</p><ul><li><code·class="inline">stylesheet</code>,·see·<a·href="run_test_chapter.html#html_stylesheet">HTML·Style·Sheets</a></li><li><code·class="inline">userdata</code>,·see |
| 304 | <a·href="write_test_chapter.html#info_function">Test·Case·Information·Function</a></li><li><code·class="inline">silent_connections</code>,·see | 304 | <a·href="write_test_chapter.html#info_function">Test·Case·Information·Function</a></li><li><code·class="inline">silent_connections</code>,·see |
| 305 | <a·href="run_test_chapter.html#silent_connections">Silent·Connections</a></li></ul><p>An·example·of·the·suite·information·function·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id=" | 305 | <a·href="run_test_chapter.html#silent_connections">Silent·Connections</a></li></ul><p>An·example·of·the·suite·information·function·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">suite</span><span·class="p"·data-group-id="1840624434-1">(</span><span·class="p"·data-group-id="1840624434-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 306 | ····</span><span·class="p"·data-group-id=" | 306 | ····</span><span·class="p"·data-group-id="1840624434-2">[</span><span·class="w"> |
| 307 | ·····</span><span·class="p"·data-group-id=" | 307 | ·····</span><span·class="p"·data-group-id="1840624434-3">{</span><span·class="ss">timetrap</span><span·class="p">,</span><span·class="p"·data-group-id="1840624434-4">{</span><span·class="ss">minutes</span><span·class="p">,</span><span·class="mi">10</span><span·class="p"·data-group-id="1840624434-4"[·...·truncated·by·diffoscope;·len:·48,·SHA:·bcfd7e53fcb20a0434ad6c99c239ec35a5619017ee3004f16a3e757623517d73·...·]34-3">}</span><span·class="p">,</span><span·class="w"> |
| 308 | ·····</span><span·class="p"·data-group-id=" | 308 | ·····</span><span·class="p"·data-group-id="1840624434-5">{</span><span·class="ss">require</span><span·class="p">,</span><span·class="ss">global_names</span><span·class="p"·data-group-id="1840624434-5">}</span><span·class="p">,</span><span·class="w"> |
| 309 | ·····</span><span·class="p"·data-group-id=" | 309 | ·····</span><span·class="p"·data-group-id="1840624434-6">{</span><span·class="ss">userdata</span><span·class="p">,</span><span·class="p"·data-group-id="1840624434-7">[</span><span·class="p"·data-group-id="1840624434-8">{</span><span·class="ss">info</span><span·class="p">,</span><span·class="s">&quo[·...·truncated·by·diffoscope;·len:·199,·SHA:·ca5fa866fb32bde7a93d4b4a7df8ff2a7d0ac7e93a3edee0b5ecf6a3e235a651·...·]34-6">}</span><span·class="p">,</span><span·class="w"> |
| 310 | ·····</span><span·class="p"·data-group-id=" | 310 | ·····</span><span·class="p"·data-group-id="1840624434-9">{</span><span·class="ss">silent_connections</span><span·class="p">,</span><span·class="p"·data-group-id="1840624434-10">[</span><span·class="ss">telnet</span><span·class="p"·data-group-id="1840624434-10">]</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·9,·SHA:·3c442240b9eb76d5ca4cd8af4491ff7eca3f7e53325493c1d24421cfe291ca6b·...·]34-9">}</span><span·class="p">,</span><span·class="w"> |
| 311 | ·····</span><span·class="p"·data-group-id=" | 311 | ·····</span><span·class="p"·data-group-id="1840624434-11">{</span><span·class="ss">stylesheet</span><span·class="p">,</span><span·class="s">"db_testing.css"</span><span·class="p"·data-group-id="1840624434-11">}</span><span·class="w"> |
| 312 | ····</span><span·class="p"·data-group-id=" | 312 | ····</span><span·class="p"·data-group-id="1840624434-2">]</span><span·class="p">.</span></code></pre><p><a·href=""·id="test_case_groups"></a></p><h2·id="test-case-groups"·class="section-heading"> |
| 313 | ··<a·href="#test-case-groups"·class="hover-link"> | 313 | ··<a·href="#test-case-groups"·class="hover-link"> |
| 314 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 314 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 315 | ··</a> | 315 | ··</a> |
| 316 | ··<span·class="text">Test·Case·Groups</span> | 316 | ··<span·class="text">Test·Case·Groups</span> |
| 317 | </h2> | 317 | </h2> |
| 318 | <p>A·test·case·group·is·a·set·of·test·cases·sharing·configuration·functions·and | 318 | <p>A·test·case·group·is·a·set·of·test·cases·sharing·configuration·functions·and |
| 319 | execution·properties.·Test·case·groups·are·defined·by·function | 319 | execution·properties.·Test·case·groups·are·defined·by·function |
| Offset 327, 63 lines modified | Offset 327, 63 lines modified | ||
| 327 | GroupName·=·atom() | 327 | GroupName·=·atom() |
| 328 | GroupsAndTestCases·=·[GroupDef·|·{group,GroupName}·|·TestCase·| | 328 | GroupsAndTestCases·=·[GroupDef·|·{group,GroupName}·|·TestCase·| |
| 329 | ·····················{testcase,TestCase,TCRepeatProps}] | 329 | ·····················{testcase,TestCase,TCRepeatProps}] |
| 330 | TestCase·=·atom() | 330 | TestCase·=·atom() |
| 331 | TCRepeatProps·=·[{repeat,N}·|·{repeat_until_ok,N}·|·{repeat_until_fail,N}]</code></pre><p><code·class="inline">GroupName</code>·is·the·name·of·the·group·and·must·be·unique·within·the·test·suite | 331 | TCRepeatProps·=·[{repeat,N}·|·{repeat_until_ok,N}·|·{repeat_until_fail,N}]</code></pre><p><code·class="inline">GroupName</code>·is·the·name·of·the·group·and·must·be·unique·within·the·test·suite |
| 332 | module.·Groups·can·be·nested,·by·including·a·group·definition·within·the | 332 | module.·Groups·can·be·nested,·by·including·a·group·definition·within·the |
| 333 | <code·class="inline">GroupsAndTestCases</code>·list·of·another·group.·<code·class="inline">Properties</code>·is·the·list·of | 333 | <code·class="inline">GroupsAndTestCases</code>·list·of·another·group.·<code·class="inline">Properties</code>·is·the·list·of |
| 334 | execution·properties·for·the·group.·The·possible·values·are·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Properties</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 334 | execution·properties·for·the·group.·The·possible·values·are·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Properties</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1560802364-1">[</span><span·class="ss">parallel</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">sequence</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Shuffle</s[·...·truncated·by·diffoscope;·len:·309,·SHA:·891cdbcf6fa98a3cb6e6b440c25db4724e9493eb50151c0fffcb6fe6fd85efe4·...·]-1">]</span><span·class="w"> |
| 335 | </span><span·class="n">Shuffle</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">shuffle</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 335 | </span><span·class="n">Shuffle</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">shuffle</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="1560802364-3">{</span><span·class="ss">shuffle</span><span·class="p">,</span><span·class="n">Seed</span><span·class="p"·data-group-id="1560802364-3">}</span><span·class="w"> |
| 336 | </span><span·class="n">Seed</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 336 | </span><span·class="n">Seed</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1560802364-4">{</span><span·class="nf">integer</span><span·class="p"·data-group-id="1560802364-5">(</span><span·class="p"·data-group-id="1560802364-5">)</span><span·class="p">,</span><span·class="nf">integer</span><span·class="p"·data-group-id="1560802364-[·...·truncated·by·diffoscope;·len:·266,·SHA:·ced7595b8f74c75077ffa5f7a15d97fad246ae40baa71c318241e06dc200124c·...·]-4">}</span><span·class="w"> |
| 337 | </span><span·class="n">GroupRepeatType</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">repeat</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">repeat_until_all_ok</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">repeat_until_all_fail</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | 337 | </span><span·class="n">GroupRepeatType</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">repeat</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">repeat_until_all_ok</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">repeat_until_all_fail</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 338 | ··················</span><span·class="ss">repeat_until_any_ok</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">repeat_until_any_fail</span><span·class="w"> | 338 | ··················</span><span·class="ss">repeat_until_any_ok</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">repeat_until_any_fail</span><span·class="w"> |
| 339 | </span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 339 | </span><span·class="n">N</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="1560802364-8">(</span><span·class="p"·data-group-id="1560802364-8">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">forever</span></code></pre><p><em>Explanations:</em></p><ul><li><p><strong><code·class="inline">parallel</code></strong>·-·<code·class="inline">Common·Test</code>·executes·all·test·cases·in·the·group·in |
| 340 | parallel.</p></li><li><p><strong><code·class="inline">sequence</code></strong>·-·The·cases·are·executed·in·a·sequence·as·described·in·section | 340 | parallel.</p></li><li><p><strong><code·class="inline">sequence</code></strong>·-·The·cases·are·executed·in·a·sequence·as·described·in·section |
| 341 | <a·href="dependencies_chapter.html#sequences">Sequences</a>·in·section·Dependencies·Between | 341 | <a·href="dependencies_chapter.html#sequences">Sequences</a>·in·section·Dependencies·Between |
| 342 | Test·Cases·and·Suites.</p></li><li><p><strong><code·class="inline">shuffle</code></strong>·-·The·cases·in·the·group·are·executed·in·random·order.</p></li><li><p><strong><code·class="inline">repeat,·repeat_until_*</code></strong>·-·Orders·<code·class="inline">Common·Test</code>·to·repeat·execution·of·all | 342 | Test·Cases·and·Suites.</p></li><li><p><strong><code·class="inline">shuffle</code></strong>·-·The·cases·in·the·group·are·executed·in·random·order.</p></li><li><p><strong><code·class="inline">repeat,·repeat_until_*</code></strong>·-·Orders·<code·class="inline">Common·Test</code>·to·repeat·execution·of·all |
| 343 | the·cases·in·the·group·a·given·number·of·times,·or·until·any,·or·all,·cases | 343 | the·cases·in·the·group·a·given·number·of·times,·or·until·any,·or·all,·cases |
| 344 | fail·or·succeed.</p></li></ul><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">groups</span><span·class="p"·data-group-id="2504296939-1">(</span><span·class="p"·data-group-id="2504296939-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="2504296939-2">[</span><span·class="p"·data-group-id="2504296939-3">{</span><span·class="ss">group1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2504296939-4">[</span><span·class="ss">parallel</span><span·class="p"·data-group-id="2504296939-4">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2504296939-5">[</span><span·class="ss">test1a</span><span·class="p">,</span><span·class="ss">test1b</span><span·class="p"·data-group-id="2504296939-5">]</span><span·class="p"·data-group-id="2504296939-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 345 | 344 | fail·or·succeed.</p></li></ul><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">groups</span><span·class="p"·data-group-id="6892834652-1">(</span><span·class="p"·data-group-id="6892834652-1">)</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·711,·SHA:·b55f82e613d56233a5c30cab55b1a720946cfbc0223cbe306202441ba309f046·...·] | |
| 345 | ·············</span><span·class="p"·data-group-id="6892834652-6">{</span><span·class="ss">group2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6892834652-7">[</span><span·class="ss">shuffle</span><span·class="p">,</span><span·class="ss">sequence</span><span·class="p"·data-group-id="6892834652-7">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6892834652-8">[</span><span·class="ss">test2a</span><span·class="p">,</span><span·class="ss">test2b</span><span·class="p">,</span><span·class="ss">test2c</span><span·class="p"·data-group-id="6892834652-8">]</span><span·class="p"·data-group-id="6892834652-6">}</span><span·class="p"·data-group-id="6892834652-2">]</span><span·class="p">.</span></code></pre><p>To·specify·in·which·order·groups·are·to·be·executed·(also·with·respect·to·test | ||
| 346 | cases·that·are·not·part·of·any·group),·add·tuples·on·the·form | 346 | cases·that·are·not·part·of·any·group),·add·tuples·on·the·form |
| 347 | <code·class="inline">{group,GroupName}</code>·to·the·<code·class="inline">all/0</code>·list.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">all</span><span·class="p"·data-group-id=" | 347 | <code·class="inline">{group,GroupName}</code>·to·the·<code·class="inline">all/0</code>·list.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">all</span><span·class="p"·data-group-id="9131578600-1">(</span><span·class="p"·data-group-id="9131578600-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="9131578600-2">[</span><span·class="ss">testcase1</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·1055,·SHA:·04aff66c295fc48b2d7bb1a5f2bc78e76b4c78b3b9dd6fa66d48415685e8da8f·...·]-2">]</span><span·class="p">.</span></code></pre><p>Execution·properties·with·a·group·tuple·in·<code·class="inline">all/0</code>: |
| 348 | <code·class="inline">{group,GroupName,Properties}</code>·can·also·be·specified.·These·properties·override | 348 | <code·class="inline">{group,GroupName,Properties}</code>·can·also·be·specified.·These·properties·override |
| 349 | those·specified·in·the·group·definition·(see·<code·class="inline">groups/0</code>·earlier).·This·way,·the | 349 | those·specified·in·the·group·definition·(see·<code·class="inline">groups/0</code>·earlier).·This·way,·the |
| 350 | same·set·of·tests·can·be·run,·but·with·different·properties,·without·having·to | 350 | same·set·of·tests·can·be·run,·but·with·different·properties,·without·having·to |
| 351 | make·copies·of·the·group·definition·in·question.</p><p>If·a·group·contains·subgroups,·the·execution·properties·for·these·can·also·be | 351 | make·copies·of·the·group·definition·in·question.</p><p>If·a·group·contains·subgroups,·the·execution·properties·for·these·can·also·be |
| 352 | specified·in·the·group·tuple:·<code·class="inline">{group,GroupName,Properties,SubGroups}</code>·Where, | 352 | specified·in·the·group·tuple:·<code·class="inline">{group,GroupName,Properties,SubGroups}</code>·Where, |
| 353 | <code·class="inline">SubGroups</code>·is·a·list·of·tuples,·<code·class="inline">{GroupName,Properties}</code>·or | 353 | <code·class="inline">SubGroups</code>·is·a·list·of·tuples,·<code·class="inline">{GroupName,Properties}</code>·or |
| 354 | <code·class="inline">{GroupName,Properties,SubGroups}</code>·representing·the·subgroups.·Any·subgroups | 354 | <code·class="inline">{GroupName,Properties,SubGroups}</code>·representing·the·subgroups.·Any·subgroups |
| 355 | defined·in·<code·class="inline">groups/0</code>·for·a·group,·that·are·not·specified·in·the·<code·class="inline">SubGroups</code> | 355 | defined·in·<code·class="inline">groups/0</code>·for·a·group,·that·are·not·specified·in·the·<code·class="inline">SubGroups</code> |
| 356 | list,·executes·with·their·predefined·properties.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">groups</span><span·class="p"·data-group-id="3237416455-1">(</span><span·class="p"·data-group-id="3237416455-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="3237416455-2">[</span><span·class="p"·data-group-id="3237416455-3">{</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3237416455-4">[</span><span·class="p"·data-group-id="3237416455-4">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3237416455-5">[</span><span·class="p"·data-group-id="3237416455-6">{</span><span·class="ss">tests2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3237416455-7">[</span><span·class="p"·data-group-id="3237416455-7">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3237416455-8">[</span><span·class="ss">t2a</span><span·class="p">,</span><span·class="ss">t2b</span><span·class="p"·data-group-id="3237416455-8">]</span><span·class="p"·data-group-id="3237416455-6">}</span><span·class="p">,</span><span·class="w"> | ||
| 357 | 356 | list,·executes·with·their·predefined·properties.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">groups</span><span·class="p"·data-group-id="5305877945-1">(</span><span·class="p"·data-group-id="5305877945-1">)</s[·...·truncated·by·diffoscope;·len:·1033,·SHA:·785f25bab66a85ee50bd6e21da8b39604370f2a2a06b2195521440811dadbc9d·...·] | |
| 357 | ··························</span><span·class="p"·data-group-id="5305877945-9">{</span><span·class="ss">tests3</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5305877945-10">[</span><span·class="p"·data-group-id="5305877945-10">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5305877945-11">[</span><span·class="ss">t31</span><span·class="p">,</span><span·class="ss">t3b</span><span·class="p"·data-group-id="5305877945-11">]</span><span·class="p"·data-group-id="5305877945-9">}</span><span·class="p"·data-group-id="5305877945-5">]</span><span·class="p"·data-group-id="5305877945-3">}</span><span·class="p"·data-group-id="5305877945-2">]</span><span·class="p">.</span></code></pre><p>To·execute·group·<code·class="inline">tests1</code>·twice·with·different·properties·for·<code·class="inline">tests2</code>·each | ||
| 358 | time:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">all</span><span·class="p"·data-group-id=" | 358 | time:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">all</span><span·class="p"·data-group-id="8795551750-1">(</span><span·class="p"·data-group-id="8795551750-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 359 | ···</span><span·class="p"·data-group-id="0664025816-2">[</span><span·class="p"·data-group-id="0664025816-3">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0664025816-4">[</span><span·class="p"·data-group-id="0664025816-5">{</span><span·class="ss">tests2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0664025816-6">[</span><span·class="ss">parallel</span><span·class="p"·data-group-id="0664025816-6">]</span><span·class="p"·data-group-id="0664025816-5">}</span><span·class="p"·data-group-id="0664025816-4">]</span><span·class="p"·data-group-id="0664025816-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 360 | ····</span><span·class="p"·data-group-id="0664025816-7">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0664025816-8">[</span><span·class="p"·data-group-id="0664025816-9">{</span><span·class="ss">tests2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0664025816-10">[</span><span·class="ss">shuffle</span><span·class="p">,</span><span·class="p"·data-group-id="0664025816-11">{</span><span·class="ss">repeat</span><span·class="p">,</span><span·class="mi">10</span><span·class="p"·data-group-id="0664025816-11">}</span><span·class="p"·data-group-id="0664025816-10">]</span><span·class="p"·data-group-id="0664025816-9">}</span><span·class="p"·data-group-id="0664025816-8">]</span><span·class="p"·data-group-id="0664025816-7">}</span><span·class="p"·data-group-id="0664025816-2">]</span><span·class="p">.</span></code></pre><p>This·is·equivalent·to·the·following·specification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">all</span><span·class="p"·data-group-id="8878751764-1">(</span><span·class="p"·data-group-id="8878751764-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 361 | ···</span><span·class="p"·data-group-id="8 | 359 | ···</span><span·class="p"·data-group-id="8795551750-2">[</span><span·class="p"·data-group-id="8795551750-3">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</s[·...·truncated·by·diffoscope;·len:·523,·SHA:·b3fb76fc2d5cb6f804dca02df515d784fe70fec488ca78580a73117923c87f5d·...·]">}</span><span·class="p">,</span><span·class="w"> |
| 360 | ····</span><span·class="p"·data-group-id="8795551750-7">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8795551750-8">[</span><span·class="p"·data-group-id="8795551750-9">{</span><span·class="ss">tests2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8795551750-10">[</span><span·class="ss">shuffle</span><span·class="p">,</span><span·class="p"·data-group-id="8795551750-11">{</span><span·class="ss">repeat</span><span·class="p">,</span><span·class="mi">10</span><span·class="p"·data-group-id="8795551750-11">}</span><span·class="p"·data-group-id="8795551750-10">]</span><span·class="p"·data-group-id="8795551750-9">}</span><span·class="p"·data-group-id="8795551750-8">]</span><span·class="p"·data-group-id="8795551750-7">}</span><span·class="p"·data-group-id="8795551750-2">]</span><span·class="p">.</span></code></pre><p>This·is·equivalent·to·the·following·specification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">all</span><span·class="p"·data-group-id="6608649809-1">(</span><span·class="p"·data-group-id="6608649809-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 361 | ···</span><span·class="p"·data-group-id="6608649809-2">[</span><span·class="p"·data-group-id="6608649809-3">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6608649809-4">[</span><span·class="p"·data-group-id="6608649809-5">{</span><span·class="ss">tests2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6608649809-6">[</span><span·class="ss">parallel</span><span·class="p"·data-group-id="6608649809-6">]</span><span·class="p"·data-group-id="6608649809-5">}</span><span·class="p">,</span><span·class="w"> | ||
| 362 | ······························</span><span·class="p"·data-group-id=" | 362 | ······························</span><span·class="p"·data-group-id="6608649809-7">{</span><span·class="ss">tests3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p"·data-group-id="6608649809-7">}</span><span·class="p"·data-group-id="6608649809-4">]</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·3c69909759b867152b83d99997da18f96cd698a339db1b0784122934f397262f·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 363 | ····</span><span·class="p"·data-group-id=" | 363 | ····</span><span·class="p"·data-group-id="6608649809-8">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·577,·SHA:·b568c77ee5ac90c1d84acf09b1c706f5ea9d3e669731aa49c55b3b4f82c51630·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 364 | ······························</span><span·class="p"·data-group-id=" | 364 | ······························</span><span·class="p"·data-group-id="6608649809-13">{</span><span·class="ss">tests3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p"·data-group-id="6608649809-13">}</span><span·class="p"·data-group-id="6608649809-9">]</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·77,·SHA:·fc3d270ea9320e8e03cff2b0804afd9a68d999c276b8de213ef30e3a9abf9a82·...·]-2">]</span><span·class="p">.</span></code></pre><p>Value·<code·class="inline">default</code>·states·that·the·predefined·properties·are·to·be·used.</p><p>The·following·example·shows·how·to·override·properties·in·a·scenario·with·deeply |
| 365 | nested·groups:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">groups</span><span·class="p"·data-group-id=" | 365 | nested·groups:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">groups</span><span·class="p"·data-group-id="4458399769-1">(</span><span·class="p"·data-group-id="4458399769-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 366 | ···</span><span·class="p"·data-group-id="0352584127-2">[</span><span·class="p"·data-group-id="0352584127-3">{</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0352584127-4">[</span><span·class="p"·data-group-id="0352584127-4">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0352584127-5">[</span><span·class="p"·data-group-id="0352584127-6">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests2</span><span·class="p"·data-group-id="0352584127-6">}</span><span·class="p"·data-group-id="0352584127-5">]</span><span·class="p"·data-group-id="0352584127-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 367 | ··· | 366 | ···</span><span·class="p"·data-group-id="4458399769-2">[</span><span·class="p"·data-group-id="4458399769-3">{</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4458399769-4">[</span><span·class=[·...·truncated·by·diffoscope;·len:·451,·SHA:·214ff1846358dca06f7a39bc44772c44df524e37803d0ce854a24040735253d7·...·]">}</span><span·class="p">,</span><span·class="w"> |
| 367 | ····</span><span·class="p"·data-group-id="4458399769-7">{</span><span·class="ss">tests2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4458399769-8">[</span><span·class="p"·data-group-id="4458399769-8">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4458399769-9">[</span><span·class="p"·data-group-id="4458399769-10">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests3</span><span·class="p"·data-group-id="4458399769-10">}</span><span·class="p"·data-group-id="4458399769-9">]</span><span·class="p"·data-group-id="4458399769-7">}</span><span·class="p">,</span><span·class="w"> | ||
| 368 | ····</span><span·class="p"·data-group-id=" | 368 | ····</span><span·class="p"·data-group-id="4458399769-11">{</span><span·class="ss">tests3</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4458399769-12">[</span><span·class="p"·data-group-id="4458399769-13">{</span><span·class="ss">repeat</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·520,·SHA:·570263888198244782992d17dddcc71ce8f5d0be716ca38ea4bcdee415feb74b·...·]-2">]</span><span·class="p">.</span><span·class="w"> |
| 369 | </span><span·class="nf">all</span><span·class="p"·data-group-id=" | 369 | </span><span·class="nf">all</span><span·class="p"·data-group-id="4458399769-15">(</span><span·class="p"·data-group-id="4458399769-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 370 | ···</span><span·class="p"·data-group-id=" | 370 | ···</span><span·class="p"·data-group-id="4458399769-16">[</span><span·class="p"·data-group-id="4458399769-17">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w"> |
| 371 | ·····</span><span·class="p"·data-group-id=" | 371 | ·····</span><span·class="p"·data-group-id="4458399769-18">[</span><span·class="p"·data-group-id="4458399769-19">{</span><span·class="ss">tests2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w"> |
| 372 | ·······</span><span·class="p"·data-group-id=" | 372 | ·······</span><span·class="p"·data-group-id="4458399769-20">[</span><span·class="p"·data-group-id="4458399769-21">{</span><span·class="ss">tests3</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4458399769-22">[</span><span·class="ss">parallel</span><span·class="p"[·...·truncated·by·diffoscope;·len:·563,·SHA:·e4c782614192dbad7173ca6ba0e13969add0fd4d6535c63d401e222624137206·...·]-16">]</span><span·class="p">.</span></code></pre><p>For·ease·of·readability,·all·syntax·definitions·can·be·replaced·by·a·function |
| 373 | call·whose·return·value·should·match·the·expected·syntax·case.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">all</span><span·class="p"·data-group-id=" | 373 | call·whose·return·value·should·match·the·expected·syntax·case.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">all</span><span·class="p"·data-group-id="5562056912-1">(</span><span·class="p"·data-group-id="5562056912-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 374 | ···</span><span·class="p"·data-group-id=" | 374 | ···</span><span·class="p"·data-group-id="5562056912-2">[</span><span·class="p"·data-group-id="5562056912-3">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</[·...·truncated·by·diffoscope;·len:·234,·SHA:·f1c33fd95ce3aefb845dd7ffd3dbccef0dcdafc8d90b8e92400993d8d00b0de4·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 375 | ····</span><span·class="p"·data-group-id=" | 375 | ····</span><span·class="p"·data-group-id="5562056912-5">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">tests1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·183,·SHA:·9f8fe73b3d1bfa905a1db915ee8fbc2ed7a2e68b3a8013bfd7fc605c75470ca5·...·]-7">)</span><span·class="p">,</span><span·class="w"> |
| 376 | ······························</span><span·class="p"·data-group-id=" | 376 | ······························</span><span·class="p"·data-group-id="5562056912-8">{</span><span·class="ss">tests3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p"·data-group-id="5562056912-8">}</span><span·class="p"·data-group-id="5562056912-6">]</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·75,·SHA:·c8aa6c0e721894e2340d110f2a849560fd051bcce258a01fe090f64d2be6c2a1·...·]-2">]</span><span·class="p">.</span><span·class="w"> |
| 377 | </span><span·class="nf">test_cases</span><span·class="p"·data-group-id=" | 377 | </span><span·class="nf">test_cases</span><span·class="p"·data-group-id="5562056912-9">(</span><span·class="p"·data-group-id="5562056912-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 378 | ···</span><span·class="p"·data-group-id=" | 378 | ···</span><span·class="p"·data-group-id="5562056912-10">[</span><span·class="p"·data-group-id="5562056912-11">{</span><span·class="ss">tests2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5562056912-12">[</span><span·class="ss">parallel</span><span·class="p"[·...·truncated·by·diffoscope;·len:·399,·SHA:·3ace7cded0ad3c2173de79fee11229c8d554effe358b660c40965947c01dea19·...·]-10">]</span><span·class="p">.</span><span·class="w"> |
| 379 | </span><span·class="nf">shuffle_test</span><span·class="p"·data-group-id=" | 379 | </span><span·class="nf">shuffle_test</span><span·class="p"·data-group-id="5562056912-14">(</span><span·class="p"·data-group-id="5562056912-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 380 | ···</span><span·class="p"·data-group-id=" | 380 | ···</span><span·class="p"·data-group-id="5562056912-15">{</span><span·class="ss">tests2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5562056912-16">[</span><span·class="ss">shuffle</span><span·class="p">,</span><span·class="p"·data-group-id="5562056912-17">[·...·truncated·by·diffoscope;·len:·237,·SHA:·db0ad9b7afadeb64cd6b7486145ac6ba5309197032fc59c21fcafa907337b058·...·]-15">}</span><span·class="p">.</span></code></pre><p>The·described·syntax·can·also·be·used·in·test·specifications·to·change·group |
| 381 | properties·at·the·time·of·execution,·without·having·to·edit·the·test·suite.·For | 381 | properties·at·the·time·of·execution,·without·having·to·edit·the·test·suite.·For |
| 382 | more·information,·see·section | 382 | more·information,·see·section |
| 383 | <a·href="run_test_chapter.html#test_specifications">Test·Specifications</a>·in·section | 383 | <a·href="run_test_chapter.html#test_specifications">Test·Specifications</a>·in·section |
| 384 | Running·Tests·and·Analyzing·Results.</p><p>As·illustrated,·properties·can·be·combined.·If,·for·example,·<code·class="inline">shuffle</code>, | 384 | Running·Tests·and·Analyzing·Results.</p><p>As·illustrated,·properties·can·be·combined.·If,·for·example,·<code·class="inline">shuffle</code>, |
| 385 | <code·class="inline">repeat_until_any_fail</code>,·and·<code·class="inline">sequence</code>·are·all·specified,·the·test·cases·in·the | 385 | <code·class="inline">repeat_until_any_fail</code>,·and·<code·class="inline">sequence</code>·are·all·specified,·the·test·cases·in·the |
| 386 | group·are·executed·repeatedly,·and·in·random·order,·until·a·test·case·fails. | 386 | group·are·executed·repeatedly,·and·in·random·order,·until·a·test·case·fails. |
| 387 | Then·execution·is·immediately·stopped·and·the·remaining·cases·are·skipped.</p><p>Before·execution·of·a·group·begins,·the·configuration·function | 387 | Then·execution·is·immediately·stopped·and·the·remaining·cases·are·skipped.</p><p>Before·execution·of·a·group·begins,·the·configuration·function |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 208 | ······<p·class="built-using"> | 208 | ······<p·class="built-using"> |
| 209 | ········Built·using | 209 | ········Built·using |
| 210 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 210 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 211 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 211 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 212 | ······</p> | 212 | ······</p> |
| 213 | <p>Copyright·©·1996-202 | 213 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 214 | ····</footer> | 214 | ····</footer> |
| 215 | ··</div> | 215 | ··</div> |
| 216 | </main> | 216 | </main> |
| 217 | </div> | 217 | </div> |
| 218 | <script> | 218 | <script> |
| 219 | ··function·mermaidLoaded()·{ | 219 | ··function·mermaidLoaded()·{ |
| 220 | ····mermaid.initialize({ | 220 | ····mermaid.initialize({ |
| Offset 184, 16 lines modified | Offset 184, 16 lines modified | ||
| 184 | </span><span·class="nc">landing_pad_block</span><span·class="p">:</span><span·class="w"> | 184 | </span><span·class="nc">landing_pad_block</span><span·class="p">:</span><span·class="w"> |
| 185 | ···</span><span·class="p">@</span><span·class="ss">aggregate</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">landingpad</span><span·class="w">·</span><span·class="k">catch</span><span·class="p">,</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">tag</span><span·class="w"> | 185 | ···</span><span·class="p">@</span><span·class="ss">aggregate</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">landingpad</span><span·class="w">·</span><span·class="k">catch</span><span·class="p">,</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">tag</span><span·class="w"> |
| 186 | ···</span><span·class="p">@</span><span·class="ss">catched_val</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">extract</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">ssa_agg</span><span·class="p">,</span><span·class="w">·</span><span·class="err">`</span><span·class="mi">0</span><span·class="err">`</span><span·class="w"> | 186 | ···</span><span·class="p">@</span><span·class="ss">catched_val</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">extract</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">ssa_agg</span><span·class="p">,</span><span·class="w">·</span><span·class="err">`</span><span·class="mi">0</span><span·class="err">`</span><span·class="w"> |
| 187 | ···</span><span·class="ss">br</span><span·class="w">·</span><span·class="err">^</span><span·class="ss">common_end_of_catch</span><span·class="w"> | 187 | ···</span><span·class="ss">br</span><span·class="w">·</span><span·class="err">^</span><span·class="ss">common_end_of_catch</span><span·class="w"> |
| 188 | </span><span·class="nc">common_end_of_catch</span><span·class="p">:</span><span·class="w"> | 188 | </span><span·class="nc">common_end_of_catch</span><span·class="p">:</span><span·class="w"> |
| 189 | ··</span><span·class="p">@</span><span·class="ss">tmp</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">phi</span><span·class="w">·</span><span·class="p"·data-group-id=" | 189 | ··</span><span·class="p">@</span><span·class="ss">tmp</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">phi</span><span·class="w">·</span><span·class="p"·data-group-id="5838147824-1">{</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">catched_val</span><span·class="p">,</span><span·class="w">·</span><span·class="err">^</span><span·class="ss">landing_pad_block</span><span·class="w">·</span><span·class=[·...·truncated·by·diffoscope;·len:·29,·SHA:·7bccd9faed9e9a564d6f66a6c6c3bfb5584daa7e14e50b44139a1cd6f9378417·...·]-1">}</span><span·class="p">,</span><span·class="w"> |
| 190 | ·············</span><span·class="p"·data-group-id=" | 190 | ·············</span><span·class="p"·data-group-id="5838147824-2">{</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">successful_result</span><span·class="p">,</span><span·class="w">·</span><span·class="err">^</span><span·class="ss">protected_blockN</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·34,·SHA:·f2569c0244826060eb4a1fd5c558077e159092302e000e03e2981608bc9a0374·...·]-2">}</span><span·class="w"> |
| 191 | ··</span><span·class="p">@</span><span·class="ss">result_of_catch_expr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">catch_end</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">tag</span><span·class="p">,</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">tmp</span></code></pre><p>Just·as·for·a·<code·class="inline">try</code>-<code·class="inline">catch</code>·expression·all·code·that·can·cause·an | 191 | ··</span><span·class="p">@</span><span·class="ss">result_of_catch_expr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">catch_end</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">tag</span><span·class="p">,</span><span·class="w">·</span><span·class="p">@</span><span·class="ss">tmp</span></code></pre><p>Just·as·for·a·<code·class="inline">try</code>-<code·class="inline">catch</code>·expression·all·code·that·can·cause·an |
| 192 | exception·in·one·of·the·protected·blocks·must·have·explicit·control | 192 | exception·in·one·of·the·protected·blocks·must·have·explicit·control |
| 193 | flow·edges·to·the·landing·pad·block.</p><h2·id="exception-re-issuing"·class="section-heading"> | 193 | flow·edges·to·the·landing·pad·block.</p><h2·id="exception-re-issuing"·class="section-heading"> |
| 194 | ··<a·href="#exception-re-issuing"·class="hover-link"> | 194 | ··<a·href="#exception-re-issuing"·class="hover-link"> |
| 195 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 195 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 196 | ··</a> | 196 | ··</a> |
| 197 | ··<span·class="text">Exception·Re-issuing</span> | 197 | ··<span·class="text">Exception·Re-issuing</span> |
| Offset 230, 15 lines modified | Offset 230, 15 lines modified | ||
| 230 | proven·to·always·succeed·or·fail.</p></li></ul><h2·id="variable-naming"·class="section-heading"> | 230 | proven·to·always·succeed·or·fail.</p></li></ul><h2·id="variable-naming"·class="section-heading"> |
| 231 | ··<a·href="#variable-naming"·class="hover-link"> | 231 | ··<a·href="#variable-naming"·class="hover-link"> |
| 232 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 232 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 233 | ··</a> | 233 | ··</a> |
| 234 | ··<span·class="text">Variable·Naming</span> | 234 | ··<span·class="text">Variable·Naming</span> |
| 235 | </h2> | 235 | </h2> |
| 236 | <p>A·variable·name·in·BEAM·SSA·is·either·an·atom·or·a·non-negative | 236 | <p>A·variable·name·in·BEAM·SSA·is·either·an·atom·or·a·non-negative |
| 237 | integer:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">atom</span><span·class="p"·data-group-id=" | 237 | integer:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">atom</span><span·class="p"·data-group-id="3991755026-1">(</span><span·class="p"·data-group-id="3991755026-1">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">non_neg_integer</span><span·class="p"·data-group-id="3991755026-2">(</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·24,·SHA:·ce0915d71640426687b1669032e82222bfcaa5cd738ba866caec42a266bd74a8·...·]-2">)</span></code></pre><p>In·order·to·generate·fresh·unused·variable·names,·all·compiler |
| 238 | transforms·maintain·a·counter,·the·<code·class="inline">cnt</code>-field·in·the·<code·class="inline">b_function</code>·and | 238 | transforms·maintain·a·counter,·the·<code·class="inline">cnt</code>-field·in·the·<code·class="inline">b_function</code>·and |
| 239 | <code·class="inline">opt_st</code>·records,·which·is·incremented·each·time·a·new·variable·or | 239 | <code·class="inline">opt_st</code>·records,·which·is·incremented·each·time·a·new·variable·or |
| 240 | label·is·created.·In·the·following·description·the·value·of·the | 240 | label·is·created.·In·the·following·description·the·value·of·the |
| 241 | <code·class="inline">cnt</code>-field·is·called·<code·class="inline">Cnt</code>.·The·<code·class="inline">Cnt</code>·value·is·guaranteed·to·never | 241 | <code·class="inline">cnt</code>-field·is·called·<code·class="inline">Cnt</code>.·The·<code·class="inline">Cnt</code>·value·is·guaranteed·to·never |
| 242 | clash·with·a·previously·defined·variable·name.·Therefore,·value·of | 242 | clash·with·a·previously·defined·variable·name.·Therefore,·value·of |
| 243 | <code·class="inline">Cnt</code>·can·directly·be·used·as·a·variable·name·in·the·SSA·passes.</p><p>Note·that·the·rules·were·more·complicated·before·Erlang/OTP·27,·because | 243 | <code·class="inline">Cnt</code>·can·directly·be·used·as·a·variable·name·in·the·SSA·passes.</p><p>Note·that·the·rules·were·more·complicated·before·Erlang/OTP·27,·because |
| 244 | the·<code·class="inline">Cnt</code>·value·could·clash·with·other·variables.</p> | 244 | the·<code·class="inline">Cnt</code>·value·could·clash·with·other·variables.</p> |
| Offset 288, 15 lines modified | Offset 288, 15 lines modified | ||
| 288 | ······<p·class="built-using"> | 288 | ······<p·class="built-using"> |
| 289 | ········Built·using | 289 | ········Built·using |
| 290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 292 | ······</p> | 292 | ······</p> |
| 293 | <p>Copyright·©·1996-202 | 293 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 294 | ····</footer> | 294 | ····</footer> |
| 295 | ··</div> | 295 | ··</div> |
| 296 | </main> | 296 | </main> |
| 297 | </div> | 297 | </div> |
| 298 | <script> | 298 | <script> |
| 299 | ··function·mermaidLoaded()·{ | 299 | ··function·mermaidLoaded()·{ |
| 300 | ····mermaid.initialize({ | 300 | ····mermaid.initialize({ |
| Offset 10980, 15 lines modified | Offset 10980, 15 lines modified | ||
| 10980 | ······<p·class="built-using"> | 10980 | ······<p·class="built-using"> |
| 10981 | ········Built·using | 10981 | ········Built·using |
| 10982 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 10982 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 10983 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 10983 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 10984 | ······</p> | 10984 | ······</p> |
| 10985 | <p>Copyright·©·1996-202 | 10985 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 10986 | ····</footer> | 10986 | ····</footer> |
| 10987 | ··</div> | 10987 | ··</div> |
| 10988 | </main> | 10988 | </main> |
| 10989 | </div> | 10989 | </div> |
| 10990 | <script> | 10990 | <script> |
| 10991 | ··function·mermaidLoaded()·{ | 10991 | ··function·mermaidLoaded()·{ |
| 10992 | ····mermaid.initialize({ | 10992 | ····mermaid.initialize({ |
| Offset 650, 15 lines modified | Offset 650, 15 lines modified | ||
| 650 | ······<p·class="built-using"> | 650 | ······<p·class="built-using"> |
| 651 | ········Built·using | 651 | ········Built·using |
| 652 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 652 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 653 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 653 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 654 | ······</p> | 654 | ······</p> |
| 655 | <p>Copyright·©·1996-202 | 655 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 656 | ····</footer> | 656 | ····</footer> |
| 657 | ··</div> | 657 | ··</div> |
| 658 | </main> | 658 | </main> |
| 659 | </div> | 659 | </div> |
| 660 | <script> | 660 | <script> |
| 661 | ··function·mermaidLoaded()·{ | 661 | ··function·mermaidLoaded()·{ |
| 662 | ····mermaid.initialize({ | 662 | ····mermaid.initialize({ |
| Offset 703, 15 lines modified | Offset 703, 15 lines modified | ||
| 703 | ······<p·class="built-using"> | 703 | ······<p·class="built-using"> |
| 704 | ········Built·using | 704 | ········Built·using |
| 705 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 705 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 706 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 706 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 707 | ······</p> | 707 | ······</p> |
| 708 | <p>Copyright·©·1996-202 | 708 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 709 | ····</footer> | 709 | ····</footer> |
| 710 | ··</div> | 710 | ··</div> |
| 711 | </main> | 711 | </main> |
| 712 | </div> | 712 | </div> |
| 713 | <script> | 713 | <script> |
| 714 | ··function·mermaidLoaded()·{ | 714 | ··function·mermaidLoaded()·{ |
| 715 | ····mermaid.initialize({ | 715 | ····mermaid.initialize({ |
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| 149 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 149 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 150 | ··</a> | 150 | ··</a> |
| 151 | ··<span·class="text">Order·of·Compiler·Options</span> | 151 | ··<span·class="text">Order·of·Compiler·Options</span> |
| 152 | </h2> | 152 | </h2> |
| 153 | <p>Options·given·in·the·<code·class="inline">compile()</code>·attribute·in·the·source·code·take | 153 | <p>Options·given·in·the·<code·class="inline">compile()</code>·attribute·in·the·source·code·take |
| 154 | precedence·over·options·given·to·the·compiler,·which·in·turn·take | 154 | precedence·over·options·given·to·the·compiler,·which·in·turn·take |
| 155 | precedence·over·options·given·in·the·environment.</p><p>A·later·compiler·option·takes·precedence·over·an·earlier·one·in·the | 155 | precedence·over·options·given·in·the·environment.</p><p>A·later·compiler·option·takes·precedence·over·an·earlier·one·in·the |
| 156 | option·list.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">compile</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id=" | 156 | option·list.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">compile</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id="8276485241-1">(</span><span·class="ss">something</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8276485241-2">[</span><span·class="ss">nowarn_missing_spec</span><span·class="p">,</span><span·class="ss">warn_missing_spe[·...·truncated·by·diffoscope;·len:·102,·SHA:·e36d162352f0582282323961847a58ee38ce5fa68f5139a3d62940472b9b9284·...·]-1">)</span><span·class="p">.</span></code></pre><p>Warnings·will·be·emitted·for·functions·without·specifications,·unless |
| 157 | the·source·code·for·module·<code·class="inline">something</code>·contains·a·<code·class="inline">compile(nowarn_missing_spec)</code> | 157 | the·source·code·for·module·<code·class="inline">something</code>·contains·a·<code·class="inline">compile(nowarn_missing_spec)</code> |
| 158 | attribute.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>In·Erlang/OTP·26·and·earlier,·the·option·order·was·the·opposite·of·what | 158 | attribute.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>In·Erlang/OTP·26·and·earlier,·the·option·order·was·the·opposite·of·what |
| 159 | is·described·here.</p></section><h2·id="module-inlining"·class="section-heading"> | 159 | is·described·here.</p></section><h2·id="module-inlining"·class="section-heading"> |
| 160 | ··<a·href="#module-inlining"·class="hover-link"> | 160 | ··<a·href="#module-inlining"·class="hover-link"> |
| 161 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 161 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 162 | ··</a> | 162 | ··</a> |
| 163 | ··<span·class="text">Inlining</span> | 163 | ··<span·class="text">Inlining</span> |
| Offset 173, 22 lines modified | Offset 173, 22 lines modified | ||
| 173 | all·calls·to·the·function·are·inlined.</p><p>Inlining·does·not·necessarily·improve·running·time.·For·example,·inlining·can | 173 | all·calls·to·the·function·are·inlined.</p><p>Inlining·does·not·necessarily·improve·running·time.·For·example,·inlining·can |
| 174 | increase·Beam·stack·use,·which·probably·is·detrimental·to·performance·for | 174 | increase·Beam·stack·use,·which·probably·is·detrimental·to·performance·for |
| 175 | recursive·functions.</p><p>Inlining·is·never·default.·It·must·be·explicitly·enabled·with·a·compiler·option | 175 | recursive·functions.</p><p>Inlining·is·never·default.·It·must·be·explicitly·enabled·with·a·compiler·option |
| 176 | or·a·<code·class="inline">-compile()</code>·attribute·in·the·source·module.</p><p>To·enable·inlining,·either·use·the·option·<code·class="inline">inline</code>·to·let·the·compiler·decide | 176 | or·a·<code·class="inline">-compile()</code>·attribute·in·the·source·module.</p><p>To·enable·inlining,·either·use·the·option·<code·class="inline">inline</code>·to·let·the·compiler·decide |
| 177 | which·functions·to·inline,·or·<code·class="inline">{inline,[{Name,Arity},...]}</code>·to·have·the·compiler | 177 | which·functions·to·inline,·or·<code·class="inline">{inline,[{Name,Arity},...]}</code>·to·have·the·compiler |
| 178 | inline·all·calls·to·the·given·functions.·If·the·option·is·given·inside·a | 178 | inline·all·calls·to·the·given·functions.·If·the·option·is·given·inside·a |
| 179 | <code·class="inline">compile</code>·directive·in·an·Erlang·module,·<code·class="inline">{Name,Arity}</code>·can·be·written·as | 179 | <code·class="inline">compile</code>·directive·in·an·Erlang·module,·<code·class="inline">{Name,Arity}</code>·can·be·written·as |
| 180 | <code·class="inline">Name/Arity</code>.</p><p>Example·of·explicit·inlining:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 180 | <code·class="inline">Name/Arity</code>.</p><p>Example·of·explicit·inlining:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="1929366891-1">(</span><span·class="p"·data-group-id="1929366891-2">{</span><span·class="ss">inline</span><span·class="p">,</span><span·class="p"·data-group-id="1929366891-3">[</span><span·class="ss">pi</span><span·class="p">/</span><span·class="mi">0</span[·...·truncated·by·diffoscope;·len:·148,·SHA:·958f10f35e6436b3a018c3ad576117db006760728677e61cd8a6d8a95196d6a7·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 181 | </span><span·class="nf">pi</span><span·class="p"·data-group-id=" | 181 | </span><span·class="nf">pi</span><span·class="p"·data-group-id="1929366891-4">(</span><span·class="p"·data-group-id="1929366891-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mf">3.1416</span><span·class="p">.</span></code></pre><p>Example·of·implicit·inlining:</p><pre><code·class="text">-compile(inline).</code></pre><p>The·option·<code·class="inline">{inline_size,Size}</code>·controls·how·large·functions·that·are·allowed·to |
| 182 | be·inlined.·Default·is·<code·class="inline">24</code>,·which·keeps·the·size·of·the·inlined·code·roughly | 182 | be·inlined.·Default·is·<code·class="inline">24</code>,·which·keeps·the·size·of·the·inlined·code·roughly |
| 183 | the·same·as·the·un-inlined·version·(only·relatively·small·functions·are | 183 | the·same·as·the·un-inlined·version·(only·relatively·small·functions·are |
| 184 | inlined).</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Aggressive·inlining·-·will·increase·code·size.</span><span·class="w"> | 184 | inlined).</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Aggressive·inlining·-·will·increase·code·size.</span><span·class="w"> |
| 185 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 185 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="4994998042-1">(</span><span·class="ss">inline</span><span·class="p"·data-group-id="4994998042-1">)</span><span·class="p">.</span><span·class="w"> |
| 186 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 186 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="4994998042-2">(</span><span·class="p"·data-group-id="4994998042-3">{</span><span·class="ss">inline_size</span><span·class="p">,</span><span·class="mi">100</span><span·class="p"·data-group-id="4994998042-3">}</span><span·class="p"·data-group-id="4994998042-2">)</span><span·class="p">.</span></code></pre><h2·id="module-inlining-of-list-functions"·class="section-heading"> |
| 187 | ··<a·href="#module-inlining-of-list-functions"·class="hover-link"> | 187 | ··<a·href="#module-inlining-of-list-functions"·class="hover-link"> |
| 188 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 188 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 189 | ··</a> | 189 | ··</a> |
| 190 | ··<span·class="text">Inlining·of·List·Functions</span> | 190 | ··<span·class="text">Inlining·of·List·Functions</span> |
| 191 | </h2> | 191 | </h2> |
| 192 | <p>The·compiler·can·also·inline·various·list·manipulation·functions·from·the·module | 192 | <p>The·compiler·can·also·inline·various·list·manipulation·functions·from·the·module |
| 193 | <code·class="inline">list</code>·in·STDLIB.</p><p>This·feature·must·be·explicitly·enabled·with·a·compiler·option·or·a·<code·class="inline">-compile()</code> | 193 | <code·class="inline">list</code>·in·STDLIB.</p><p>This·feature·must·be·explicitly·enabled·with·a·compiler·option·or·a·<code·class="inline">-compile()</code> |
| Offset 900, 18 lines modified | Offset 900, 18 lines modified | ||
| 900 | features.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·option·has·no·effect·when·used·in·a·<code·class="inline">-compile(..)</code>·attribute.·Instead, | 900 | features.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·option·has·no·effect·when·used·in·a·<code·class="inline">-compile(..)</code>·attribute.·Instead, |
| 901 | the·<code·class="inline">-feature(..)</code>·directive·(described·next)·should·be·used.</p><p><a·href=""·id="feature-directive"></a>·A·feature·can·also·be·enabled·(disabled)·using | 901 | the·<code·class="inline">-feature(..)</code>·directive·(described·next)·should·be·used.</p><p><a·href=""·id="feature-directive"></a>·A·feature·can·also·be·enabled·(disabled)·using |
| 902 | the·<code·class="inline">-feature(Feature,·enable·|·disable).</code>·module·directive.·Note·that·this | 902 | the·<code·class="inline">-feature(Feature,·enable·|·disable).</code>·module·directive.·Note·that·this |
| 903 | directive·can·only·be·present·in·a·prefix·of·the·file,·before·exports·and | 903 | directive·can·only·be·present·in·a·prefix·of·the·file,·before·exports·and |
| 904 | function·definitions.·This·is·the·preferred·method·of·enabling·and·disabling | 904 | function·definitions.·This·is·the·preferred·method·of·enabling·and·disabling |
| 905 | features,·since·it·is·a·local·property·of·a·module.</p></section></li><li><p><strong><code·class="inline">makedep</code></strong>·-·Produces·a·Makefile·rule·to·track·headers·dependencies.·No | 905 | features,·since·it·is·a·local·property·of·a·module.</p></section></li><li><p><strong><code·class="inline">makedep</code></strong>·-·Produces·a·Makefile·rule·to·track·headers·dependencies.·No |
| 906 | object·file·is·produced.</p><p>By·default,·this·rule·is·written·to·<code·class="inline"><File>.Pbeam</code>.·However,·if·option | 906 | object·file·is·produced.</p><p>By·default,·this·rule·is·written·to·<code·class="inline"><File>.Pbeam</code>.·However,·if·option |
| 907 | <code·class="inline">binary</code>·is·set,·nothing·is·written·and·the·rule·is·returned·in·<code·class="inline">Binary</code>.</p><p>The·output·will·be·encoded·in·UTF-8.</p><p>For·example,·if·you·have·the·following·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 907 | <code·class="inline">binary</code>·is·set,·nothing·is·written·and·the·rule·is·returned·in·<code·class="inline">Binary</code>.</p><p>The·output·will·be·encoded·in·UTF-8.</p><p>For·example,·if·you·have·the·following·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4331962043-1">(</span><span·class="ss">module</span><span·class="p"·data-group-id="4331962043-1">)</span><span·class="p">.</span><span·class="w"> |
| 908 | </span><span·class="w"> | 908 | </span><span·class="w"> |
| 909 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 909 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="4331962043-2">(</span><span·class="s">"eunit/include/eunit.hrl"</span><span·class="p"·data-group-id="4331962043-2">)</span><span·class="p">.</span><span·class="w"> |
| 910 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 910 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="4331962043-3">(</span><span·class="s">"header.hrl"</span><span·class="p"·data-group-id="4331962043-3">)</span><span·class="p">.</span></code></pre><p>The·Makefile·rule·generated·by·this·option·looks·as·follows:</p><pre><code·class="text">module.beam:·module.erl·\ |
| 911 | ··/usr/local/lib/erlang/lib/eunit/include/eunit.hrl·\ | 911 | ··/usr/local/lib/erlang/lib/eunit/include/eunit.hrl·\ |
| 912 | ··header.hrl</code></pre></li><li><p><strong><code·class="inline">makedep_side_effect</code></strong>·-·The·dependencies·are·created·as·a·side·effect·to | 912 | ··header.hrl</code></pre></li><li><p><strong><code·class="inline">makedep_side_effect</code></strong>·-·The·dependencies·are·created·as·a·side·effect·to |
| 913 | the·normal·compilation·process.·This·means·that·the·object·file·will·also·be | 913 | the·normal·compilation·process.·This·means·that·the·object·file·will·also·be |
| 914 | produced.·This·option·override·the·<code·class="inline">makedep</code>·option.</p></li><li><p><strong><code·class="inline">{makedep_output,·Output}</code></strong>·-·Writes·generated·rules·to·<code·class="inline">Output</code>·instead·of | 914 | produced.·This·option·override·the·<code·class="inline">makedep</code>·option.</p></li><li><p><strong><code·class="inline">{makedep_output,·Output}</code></strong>·-·Writes·generated·rules·to·<code·class="inline">Output</code>·instead·of |
| 915 | the·default·<code·class="inline"><File>.Pbeam</code>.·<code·class="inline">Output</code>·can·be·a·filename·or·an·<code·class="inline">io_device()</code>.·To | 915 | the·default·<code·class="inline"><File>.Pbeam</code>.·<code·class="inline">Output</code>·can·be·a·filename·or·an·<code·class="inline">io_device()</code>.·To |
| 916 | write·to·stdout,·use·<code·class="inline">standard_io</code>.·However,·if·<code·class="inline">binary</code>·is·set,·nothing·is | 916 | write·to·stdout,·use·<code·class="inline">standard_io</code>.·However,·if·<code·class="inline">binary</code>·is·set,·nothing·is |
| 917 | written·to·<code·class="inline">Output</code>·and·the·result·is·returned·to·the·caller·with | 917 | written·to·<code·class="inline">Output</code>·and·the·result·is·returned·to·the·caller·with |
| Offset 969, 15 lines modified | Offset 969, 15 lines modified | ||
| 969 | that·verification·(there·will·not·even·be·a·warning·if·there·is·a | 969 | that·verification·(there·will·not·even·be·a·warning·if·there·is·a |
| 970 | mismatch).</p></li><li><p><strong><code·class="inline">{no_auto_import,[{F,A},·...]}</code></strong>·-·Makes·the·function·<code·class="inline">F/A</code>·no·longer·being | 970 | mismatch).</p></li><li><p><strong><code·class="inline">{no_auto_import,[{F,A},·...]}</code></strong>·-·Makes·the·function·<code·class="inline">F/A</code>·no·longer·being |
| 971 | auto-imported·from·the·<code·class="inline">erlang</code>·module,·which·resolves·BIF·name·clashes.·This | 971 | auto-imported·from·the·<code·class="inline">erlang</code>·module,·which·resolves·BIF·name·clashes.·This |
| 972 | option·must·be·used·to·resolve·name·clashes·with·auto-imported·BIFs·that·existed | 972 | option·must·be·used·to·resolve·name·clashes·with·auto-imported·BIFs·that·existed |
| 973 | before·Erlang/OTP·R14A··when·calling·a·local·function·with·the·same·name | 973 | before·Erlang/OTP·R14A··when·calling·a·local·function·with·the·same·name |
| 974 | as·an·auto-imported·BIF·without·module·prefix.</p><p>If·the·BIF·is·to·be·called,·use·the·<code·class="inline">erlang</code>·module·prefix | 974 | as·an·auto-imported·BIF·without·module·prefix.</p><p>If·the·BIF·is·to·be·called,·use·the·<code·class="inline">erlang</code>·module·prefix |
| 975 | in·the·call,·not·<code·class="inline">{no_auto_import,[{F,A},·...]}</code>.</p><p>If·this·option·is·written·in·the·source·code,·as·a·<code·class="inline">-compile</code>·directive,·the | 975 | in·the·call,·not·<code·class="inline">{no_auto_import,[{F,A},·...]}</code>.</p><p>If·this·option·is·written·in·the·source·code,·as·a·<code·class="inline">-compile</code>·directive,·the |
| 976 | syntax·<code·class="inline">F/A</code>·can·be·used·instead·of·<code·class="inline">{F,A}</code>.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 976 | syntax·<code·class="inline">F/A</code>·can·be·used·instead·of·<code·class="inline">{F,A}</code>.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="4924501342-1">(</span><span·class="p"·data-group-id="4924501342-2">{</span><span·class="ss">no_auto_import</span><span·class="p">,</span><span·class="p"·data-group-id="4924501342-3">[</span><span·class="ss">error</span><span·class="p">/</span><span·class="[·...·truncated·by·diffoscope;·len:·159,·SHA:·7573ffe52a56e0e6f4f85da84b7e9808667a5816dfabb08273accf285854230c·...·]-1">)</span><span·class="p">.</span></code></pre></li><li><p><strong><code·class="inline">no_auto_import</code></strong>·-·Do·not·auto-import·any·functions·from·<code·class="inline">erlang</code>·module.</p></li><li><p><strong><code·class="inline">no_line_info</code></strong>·-·Omits·line·number·information·to·produce·a·slightly |
| 977 | smaller·output·file.</p></li><li><p><strong><code·class="inline">no_lint</code></strong>·-·Skips·the·pass·that·checks·for·errors·and·warnings.·Only | 977 | smaller·output·file.</p></li><li><p><strong><code·class="inline">no_lint</code></strong>·-·Skips·the·pass·that·checks·for·errors·and·warnings.·Only |
| 978 | applicable·together·with·the·<code·class="inline">from_abstr</code>·option.·This·is·mainly·for | 978 | applicable·together·with·the·<code·class="inline">from_abstr</code>·option.·This·is·mainly·for |
| 979 | implementations·of·other·languages·on·top·of·Erlang,·which·have·already·done | 979 | implementations·of·other·languages·on·top·of·Erlang,·which·have·already·done |
| 980 | their·own·checks·to·guarantee·correctness·of·the·code.</p><p>Caveat:·When·this·option·is·used,·there·are·no·guarantees·that·the·code·output | 980 | their·own·checks·to·guarantee·correctness·of·the·code.</p><p>Caveat:·When·this·option·is·used,·there·are·no·guarantees·that·the·code·output |
| 981 | by·the·compiler·is·correct·and·safe·to·use.·The·responsibility·for·correctness | 981 | by·the·compiler·is·correct·and·safe·to·use.·The·responsibility·for·correctness |
| 982 | lies·on·the·code·or·person·generating·the·abstract·format.·If·the·code | 982 | lies·on·the·code·or·person·generating·the·abstract·format.·If·the·code |
| 983 | contains·errors,·the·compiler·may·crash·or·produce·unsafe·code.</p></li><li><p><strong><code·class="inline">{extra_chunks,·[{binary(),·binary()}]}</code></strong>·-·Pass·extra·chunks·to·be·stored | 983 | contains·errors,·the·compiler·may·crash·or·produce·unsafe·code.</p></li><li><p><strong><code·class="inline">{extra_chunks,·[{binary(),·binary()}]}</code></strong>·-·Pass·extra·chunks·to·be·stored |
| Offset 1325, 15 lines modified | Offset 1325, 15 lines modified | ||
| 1325 | ······<p·class="built-using"> | 1325 | ······<p·class="built-using"> |
| 1326 | ········Built·using | 1326 | ········Built·using |
| 1327 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1327 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1328 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1328 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1329 | ······</p> | 1329 | ······</p> |
| 1330 | <p>Copyright·©·1996-202 | 1330 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1331 | ····</footer> | 1331 | ····</footer> |
| 1332 | ··</div> | 1332 | ··</div> |
| 1333 | </main> | 1333 | </main> |
| 1334 | </div> | 1334 | </div> |
| 1335 | <script> | 1335 | <script> |
| 1336 | ··function·mermaidLoaded()·{ | 1336 | ··function·mermaidLoaded()·{ |
| 1337 | ····mermaid.initialize({ | 1337 | ····mermaid.initialize({ |
| Offset 157, 18 lines modified | Offset 157, 18 lines modified | ||
| 157 | </h2> | 157 | </h2> |
| 158 | <h3·id="fixed-bugs-and-malfunctions-1"·class="section-heading"> | 158 | <h3·id="fixed-bugs-and-malfunctions-1"·class="section-heading"> |
| 159 | ··<a·href="#fixed-bugs-and-malfunctions-1"·class="hover-link"> | 159 | ··<a·href="#fixed-bugs-and-malfunctions-1"·class="hover-link"> |
| 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 161 | ··</a> | 161 | ··</a> |
| 162 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> | 162 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> |
| 163 | </h3> | 163 | </h3> |
| 164 | <ul><li><p>Fixed·a·crash·in·the·common·sub-expression·elimination·pass.</p><p>Own·Id:·OTP-19243·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8818"·title="">GH-8818</a>,·<a·href="https://github.com/erlang/otp/pull/8838"·title="">PR-8838</a></p></li><li><p>Fixed·a·bug·where·bogus·code·was·generated·for·consecutive·calls·to·<code·class="inline">erlang:setelement/2</code>,·potentially·crashing·the·runtime·system.</p><p>Own·Id:·OTP-19270·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8783"·title="">GH-8783</a>,·<a·href="https://github.com/erlang/otp/pull/8898"·title="">PR-8898</a></p></li><li><p>When·the·<code·class="inline">line_coverage</code>·option·was·used,·exceptions·could·show·the·wrong·line·for·where·the·exception·was·raised.</p><p>Own·Id:·OTP-19282·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8907"·title="">PR-8907</a></p></li><li><p>The·<code·class="inline">line_coverage</code>·option·would·be·ignored·if·given·in·a·<code·class="inline">compile()</code>·attribute·within·a·module.</p><p>Own·Id:·OTP-19309·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8942"·title="">GH-8942</a>,·<a·href="https://github.com/erlang/otp/pull/8970"·title="">PR-8970</a></p></li><li><p>A·segment·matching·a·float·in·a·binary·generator·will·now·skip·any·invalid·float·(such·as·a·NaN)·and·continue·matching·the·rest·of·the·binary.·Before·this·correction,·the·comprehension·would·stop·as·soon·as·an·invalid·float·was·encountered.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">BadFloat</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0 | 164 | <ul><li><p>Fixed·a·crash·in·the·common·sub-expression·elimination·pass.</p><p>Own·Id:·OTP-19243·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8818"·title="">GH-8818</a>,·<a·href="https://github.com/erlang/otp/pull/8838"·title="">PR-8838</a></p></li><li><p>Fixed·a·bug·where·bogus·code·was·generated·for·consecutive·calls·to·<code·class="inline">erlang:setelement/2</code>,·potentially·crashing·the·runtime·system.</p><p>Own·Id:·OTP-19270·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8783"·title="">GH-8783</a>,·<a·href="https://github.com/erlang/otp/pull/8898"·title="">PR-8898</a></p></li><li><p>When·the·<code·class="inline">line_coverage</code>·option·was·used,·exceptions·could·show·the·wrong·line·for·where·the·exception·was·raised.</p><p>Own·Id:·OTP-19282·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8907"·title="">PR-8907</a></p></li><li><p>The·<code·class="inline">line_coverage</code>·option·would·be·ignored·if·given·in·a·<code·class="inline">compile()</code>·attribute·within·a·module.</p><p>Own·Id:·OTP-19309·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8942"·title="">GH-8942</a>,·<a·href="https://github.com/erlang/otp/pull/8970"·title="">PR-8970</a></p></li><li><p>A·segment·matching·a·float·in·a·binary·generator·will·now·skip·any·invalid·float·(such·as·a·NaN)·and·continue·matching·the·rest·of·the·binary.·Before·this·correction,·the·comprehension·would·stop·as·soon·as·an·invalid·float·was·encountered.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">BadFloat</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5026417440-1"><<</span><span·class="o">-</span><span·class="mi">1</span><span·class="p">:</span><span·class="mi">64</span><span·class="p"·data-group-id="5026417440-1">>></span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="p"·data-group-id="0 | 165 | </span><span·class="p"·data-group-id="5026417440-2"><<</span><span·class="s">"ÿÿÿÿÿÿÿÿ"</span><span·class="p"·data-group-id="5026417440-2">>></span><span·class="gp·unselectable"> |
| 166 | 2>·</span><span·class="p"·data-group-id="0 | 166 | 2>·</span><span·class="p"·data-group-id="5026417440-3">[</span><span·class="n">X</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><span·class="p"·data-group-id="5026417440-4"><<</span><span·class="n">X</span><span·class="p">:</span><span·class="mi">64</span><sp[·...·truncated·by·diffoscope;·len:·640,·SHA:·5b280d369aa1f21be21e4b831cd46b16505da50a89fdf360c85a106513c2fc7f·...·]0-3">]</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="p"·data-group-id="0 | 167 | </span><span·class="p"·data-group-id="5026417440-6">[</span><span·class="mf">0.0</span><span·class="p">,</span><span·class="mf">42.0</span><span·class="p"·data-group-id="5026417440-6">]</span></code></pre><p>Own·Id:·OTP-19331·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8978"·title="">PR-8978</a></p></li></ul><h2·id="compiler-8-5-3"·class="section-heading"> |
| 168 | ··<a·href="#compiler-8-5-3"·class="hover-link"> | 168 | ··<a·href="#compiler-8-5-3"·class="hover-link"> |
| 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 170 | ··</a> | 170 | ··</a> |
| 171 | ··<span·class="text">Compiler·8.5.3</span> | 171 | ··<span·class="text">Compiler·8.5.3</span> |
| 172 | </h2> | 172 | </h2> |
| 173 | <h3·id="fixed-bugs-and-malfunctions-2"·class="section-heading"> | 173 | <h3·id="fixed-bugs-and-malfunctions-2"·class="section-heading"> |
| 174 | ··<a·href="#fixed-bugs-and-malfunctions-2"·class="hover-link"> | 174 | ··<a·href="#fixed-bugs-and-malfunctions-2"·class="hover-link"> |
| Offset 208, 61 lines modified | Offset 208, 61 lines modified | ||
| 208 | </h2> | 208 | </h2> |
| 209 | <h3·id="fixed-bugs-and-malfunctions-5"·class="section-heading"> | 209 | <h3·id="fixed-bugs-and-malfunctions-5"·class="section-heading"> |
| 210 | ··<a·href="#fixed-bugs-and-malfunctions-5"·class="hover-link"> | 210 | ··<a·href="#fixed-bugs-and-malfunctions-5"·class="hover-link"> |
| 211 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 211 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 212 | ··</a> | 212 | ··</a> |
| 213 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> | 213 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> |
| 214 | </h3> | 214 | </h3> |
| 215 | <ul><li><p>Generators·for·binary·comprehensions·could·be·evaluated·before·it·was·known·that·they·would·be·needed.·That·could·result·in·a·binary·comprehensions·failing·if·a·generator·that·should·not·be·evaluated·until·later·failed.</p><p>As·an·example,·consider·this·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 215 | <ul><li><p>Generators·for·binary·comprehensions·could·be·evaluated·before·it·was·known·that·they·would·be·needed.·That·could·result·in·a·binary·comprehensions·failing·if·a·generator·that·should·not·be·evaluated·until·later·failed.</p><p>As·an·example,·consider·this·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1385768934-1">(</span><span·class="ss">t</span><span·class="p"·data-group-id="1385768934-1">)</span><span·class="p">.</span><span·class="w"> |
| 216 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 216 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1385768934-2">(</span><span·class="p"·data-group-id="1385768934-3">[</span><span·class="ss">f</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="1385768934-3">]</span><span·class="p"·data-group-id="1385768934-2">)</span><span·class="p">.</span><span·class="w"> |
| 217 | </span><span·class="nf">f</span><span·class="p"·data-group-id=" | 217 | </span><span·class="nf">f</span><span·class="p"·data-group-id="1385768934-4">(</span><span·class="p"·data-group-id="1385768934-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 218 | ····</span><span·class="p"·data-group-id=" | 218 | ····</span><span·class="p"·data-group-id="1385768934-5"><<</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">||</span><span·class="w">·</span><span·class="p">_</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·730,·SHA:·fdf4ed9fdb023ca44682d5d8b74a87ffa1906ca9d8125961d590a56714d308ce·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 219 | </span><span·class="gt">**·exception·error:·bad·generator·ok | 219 | </span><span·class="gt">**·exception·error:·bad·generator·ok |
| 220 | ·····in·function··t:f/0·(t.erl,·line·6)</span></code></pre><p>In·Erlang/OTP·27·it·returns·an·empty·binary:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">t</span><span·class="p">:</span><span·class="nf">f</span><span·class="p"·data-group-id=" | 220 | ·····in·function··t:f/0·(t.erl,·line·6)</span></code></pre><p>In·Erlang/OTP·27·it·returns·an·empty·binary:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">t</span><span·class="p">:</span><span·class="nf">f</span><span·class="p"·data-group-id="1031806585-1">(</span><span·class="p"·data-group-id="1031806585-1">)</span><span·class="p">.</span><span·class="w"> |
| 221 | </span><span·class="p"·data-group-id=" | 221 | </span><span·class="p"·data-group-id="1031806585-2"><<</span><span·class="p"·data-group-id="1031806585-2">>></span></code></pre><p>Own·Id:·OTP-18703·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/7494"·title="">GH-7494</a>,·<a·href="https://github.com/erlang/otp/pull/7538"·title="">PR-7538</a></p></li><li><p>The·documentation·for·the·preprocessor·now·mentions·that·<code·class="inline">defined(Name)</code>·can·be·called·in·the·condition·for·an·<code·class="inline">-if</code>·or·<code·class="inline">-elif</code>·directive·to·test·whether·<code·class="inline">Name</code>·is·the·name·of·a·defined·macro.·(This·feature·was·implemented·in·OTP·21.)</p><p>If·a·function·call·in·an·<code·class="inline">-if</code>·or·<code·class="inline">-elif</code>·with·a·name·that·is·not·the·name·of·a·guard·BIF,·there·would·not·be·a·compilation·error,·but·would·instead·cause·the·lines·following·the·directive·to·be·skipped.·This·has·now·been·changed·to·be·a·compilation·error.</p><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-18784·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/7706"·title="">GH-7706</a>,·<a·href="https://github.com/erlang/otp/pull/7726"·title="">PR-7726</a></p></li></ul><h3·id="improvements-and-new-features-1"·class="section-heading"> |
| 222 | ··<a·href="#improvements-and-new-features-1"·class="hover-link"> | 222 | ··<a·href="#improvements-and-new-features-1"·class="hover-link"> |
| 223 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 223 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 224 | ··</a> | 224 | ··</a> |
| 225 | ··<span·class="text">Improvements·and·New·Features</span> | 225 | ··<span·class="text">Improvements·and·New·Features</span> |
| 226 | </h3> | 226 | </h3> |
| 227 | <ul><li><p>The·compiler·now·emits·nicer·error·message·for·function·head·mismatches. | 227 | <ul><li><p>The·compiler·now·emits·nicer·error·message·for·function·head·mismatches. |
| 228 | For·example,·given:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">a</span><span·class="p"·data-group-id=" | 228 | For·example,·given:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">a</span><span·class="p"·data-group-id="0868313336-1">(</span><span·class="p"·data-group-id="0868313336-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 229 | </span><span·class="nf">a</span><span·class="p"·data-group-id=" | 229 | </span><span·class="nf">a</span><span·class="p"·data-group-id="0868313336-2">(</span><span·class="p">_</span><span·class="p"·data-group-id="0868313336-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">error</span><span·class="p">.</span></code></pre><p>Erlang/OTP·26·and·earlier·would·emit·a·diagnostic·similar·to:</p><pre><code·class="text">t.erl:6:1:·head·mismatch |
| 230 | %····6|·a(_)·->·error. | 230 | %····6|·a(_)·->·error. |
| 231 | %·····|·^</code></pre><p>while·in·Erlang/OTP·27·the·diagnostic·is·similar·to:</p><pre><code·class="text">t.erl:6:1:·head·mismatch:·function·a·with·arities·0·and·1·is·regarded·as·two·distinct·functions.·Is·the·number·of·arguments·incorrect·or·is·the·semicolon·in·a/0·unwanted? | 231 | %·····|·^</code></pre><p>while·in·Erlang/OTP·27·the·diagnostic·is·similar·to:</p><pre><code·class="text">t.erl:6:1:·head·mismatch:·function·a·with·arities·0·and·1·is·regarded·as·two·distinct·functions.·Is·the·number·of·arguments·incorrect·or·is·the·semicolon·in·a/0·unwanted? |
| 232 | %····6|·a(_)·->·error. | 232 | %····6|·a(_)·->·error. |
| 233 | %·····|·^</code></pre><p>Own·Id:·OTP-18648·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7383"·title="">PR-7383</a></p></li><li><p>The·compiler·now·optimizes·creation·of·binaries·that·are·known·to·be·constant.</p><p>Consider·this·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bin</span><span·class="p"·data-group-id="2 | 233 | %·····|·^</code></pre><p>Own·Id:·OTP-18648·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7383"·title="">PR-7383</a></p></li><li><p>The·compiler·now·optimizes·creation·of·binaries·that·are·known·to·be·constant.</p><p>Consider·this·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bin</span><span·class="p"·data-group-id="2773553100-1">(</span><span·class="p"·data-group-id="2773553100-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 234 | ····</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">char</span><span·class="p"·data-group-id="2 | 234 | ····</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">char</span><span·class="p"·data-group-id="2773553100-2">(</span><span·class="p"·data-group-id="2773553100-2">)</span><span·class="p">,</span><span·class="w"> |
| 235 | ····</span><span·class="p"·data-group-id="2 | 235 | ····</span><span·class="p"·data-group-id="2773553100-3"><<</span><span·class="n">C</span><span·class="p"·data-group-id="2773553100-3">>></span><span·class="p">.</span><span·class="w"> |
| 236 | </span><span·class="nf">char</span><span·class="p"·data-group-id="2 | 236 | </span><span·class="nf">char</span><span·class="p"·data-group-id="2773553100-4">(</span><span·class="p"·data-group-id="2773553100-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="sc">$*</span><span·class="p">.</span></code></pre><p>Essentially,·the·compiler·rewrites·the·e[·...·truncated·by·diffoscope;·len:·211,·SHA:·6ea0881d2274cb356af37544d4a0d3ab5f1dda93c0f260d784cc1672749b6766·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 237 | ····</span><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">char</span><span·class="p"·data-group-id="6 | 237 | ····</span><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">char</span><span·class="p"·data-group-id="5664934626-2">(</span><span·class="p"·data-group-id="5664934626-2">)</span><span·class="p">,</span><span·class="w"> |
| 238 | ····</span><span·class="p"·data-group-id="6 | 238 | ····</span><span·class="p"·data-group-id="5664934626-3"><<</span><span·class="sc">$*</span><span·class="p"·data-group-id="5664934626-3">>></span><span·class="p">.</span><span·class="w"> |
| 239 | </span><span·class="nf">char</span><span·class="p"·data-group-id="6 | 239 | </span><span·class="nf">char</span><span·class="p"·data-group-id="5664934626-4">(</span><span·class="p"·data-group-id="5664934626-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="sc">$*</span><span·class="p">.</span></code></pre><p>Own·Id:·OTP-18673·Aux·Id:·<a·href="http[·...·truncated·by·diffoscope;·len:·818,·SHA:·91eeef09179b6aabc34ad45448f45e8664278cb6eb3c9d84e97e55dfffbe1e1c·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 240 | </span><span·class="nf">update</span><span·class="p"·data-group-id=" | 240 | </span><span·class="nf">update</span><span·class="p"·data-group-id="6596744767-3">(</span><span·class="n">Value</span><span·class="p"·data-group-id="6596744767-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 241 | ····</span><span·class="n">R0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id=" | 241 | ····</span><span·class="n">R0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id="6596744767-4">{</span><span·class="p"·data-group-id="6596744767-4">}</span><span·class="p">,</span><span·class="w"> |
| 242 | ····</span><span·class="n">R1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">R0</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id=" | 242 | ····</span><span·class="n">R1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">R0</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id="6596744767-5">{</span><span·class="ss">a</span><span·class="o">=</span><span·class="n">Value</span><span·class="p"·data-group-id="6596744767-5">}</span><span·class="p">,</span><span·class="w"> |
| 243 | ····</span><span·class="n">R2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">R1</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id=" | 243 | ····</span><span·class="n">R2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">R1</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id="6596744767-6">{</span><span·class="ss">b</span><span·class="o">=</span><span·class="mi">2</span><span·class="p"·data-group-id="6596744767-6">}</span><span·class="p">,</span><span·class="w"> |
| 244 | ····</span><span·class="n">R2</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id=" | 244 | ····</span><span·class="n">R2</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id="6596744767-7">{</span><span·class="ss">c</span><span·class="o">=</span><span·class="mi">3</span><span·class="p"·data-group-id="6596744767-7">}</span><span·class="p">.</span></code></pre><p>Own·Id:·OTP-18680·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7491"·title="">PR-7491</a>,·<a·href="https://github.com/erlang/otp/pull/8086"·title="">PR-8086</a>,·ERIERL-967</p></li><li><p>Improved·the·performance·of·the·alias·analysis·pass.</p><p>Own·Id:·OTP-18714·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7528"·title="">PR-7528</a>,·<a·href="https://github.com/erlang/otp/issues/7432"·title="">GH-7432</a></p></li><li><p><code·class="inline">-spec</code>·attributes·are·now·used·for·documentation.</p><p>Own·Id:·OTP-18801·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7739"·title="">PR-7739</a></p></li><li><p>Native·coverage·support·has·been·implemented·in·the·JIT.·It·will··automatically·be·used·by·the·<a·href="../../../../lib/tools-4.1.1/doc/html/cover.html"><code·class="inline">cover</code></a>·tool·to·reduce·the·execution·overhead·when·running·cover-compiled·code.</p><p>There·are·also·new·APIs·to·support·native·coverage·without·using·the·<code·class="inline">cover</code>·tool.</p><p>To·instrument·code·for·native·coverage·it·must·be·compiled·with·the·<a·href="compile.html#line_coverage"><code·class="inline">line_coverage</code></a>·option.</p><p>To·enable·native·coverage·in·the·runtime·system,·start·it·like·so:</p><pre><code·class="text">$·erl·+JPcover·true</code></pre><p>There·are·also·the·following·new·functions·for·supporting·native·coverage:</p><ul><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#coverage_support/0"><code·class="inline">code:coverage_support/0</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage/2"><code·class="inline">code:get_coverage/2</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#reset_coverage/1"><code·class="inline">code:reset_coverage/1</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/0"><code·class="inline">code:get_coverage_mode/0</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/1"><code·class="inline">code:get_coverage_mode/1</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#set_coverage_mode/1"><code·class="inline">code:set_coverage_mode/1</code></a></li></ul><p>Own·Id:·OTP-18856·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7856"·title="">PR-7856</a></p></li><li><p><a·href="https://www.erlang.org/eeps/eep-0059">EEP-59·-·Documentation·Attributes</a>·has·been·implemented.</p><p>Documentation·attributes·can·be·used·to·document·functions,·types,·callbacks,·and·modules. |
| 245 | The·keyword·<code·class="inline">-moduledoc·"Documentation·here".</code>·is·used·to·document·modules,·while·<code·class="inline">-doc·"Documentation·here".</code>·can·be·used·on·top·of·functions,·types,·and·callbacks·to·document·them,·respectively.</p><ul><li><p>Types,·callbacks,·and·function·documentation·can·be·set·to·<code·class="inline">hidden</code>·either·via·<code·class="inline">-doc·false</code>·or·<code·class="inline">-doc·hidden</code>.·When·documentation·attributes·mark·a·type·as·hidden,·they·will·not·be·part·of·the·documentation.</p></li><li><p>The·documentation·from·<code·class="inline">moduledoc</code>·and·<code·class="inline">doc</code>·gets·added·by·default·to·the·binary·beam·file,·following·the·format·of·<a·href="https://www.erlang.org/eeps/eep-0048">EEP-48</a>.</p></li><li><p>Using·the·compiler·flag·<code·class="inline">warn_missing_doc</code>·will·raise·a·warning·when | 245 | The·keyword·<code·class="inline">-moduledoc·"Documentation·here".</code>·is·used·to·document·modules,·while·<code·class="inline">-doc·"Documentation·here".</code>·can·be·used·on·top·of·functions,·types,·and·callbacks·to·document·them,·respectively.</p><ul><li><p>Types,·callbacks,·and·function·documentation·can·be·set·to·<code·class="inline">hidden</code>·either·via·<code·class="inline">-doc·false</code>·or·<code·class="inline">-doc·hidden</code>.·When·documentation·attributes·mark·a·type·as·hidden,·they·will·not·be·part·of·the·documentation.</p></li><li><p>The·documentation·from·<code·class="inline">moduledoc</code>·and·<code·class="inline">doc</code>·gets·added·by·default·to·the·binary·beam·file,·following·the·format·of·<a·href="https://www.erlang.org/eeps/eep-0048">EEP-48</a>.</p></li><li><p>Using·the·compiler·flag·<code·class="inline">warn_missing_doc</code>·will·raise·a·warning·when |
| 246 | <code·class="inline">-doc</code>·attributes·are·missing·in·exported·functions,·types,·and·callbacks.</p></li><li><p>Using·the·compiler·flag·<code·class="inline">warn_missing_spec_documented</code>·will·raise·a·warning·when | 246 | <code·class="inline">-doc</code>·attributes·are·missing·in·exported·functions,·types,·and·callbacks.</p></li><li><p>Using·the·compiler·flag·<code·class="inline">warn_missing_spec_documented</code>·will·raise·a·warning·when |
| 247 | spec·attributes·are·missing·in·documented·functions,·types,·and·callbacks.</p></li><li><p><code·class="inline">moduledoc</code>s·and·<code·class="inline">doc</code>s·may·refer·to·external·files·to·be·embedded,·such·as·<code·class="inline">-doc·{file,·"README.md"}.</code>,·which·refers·to·the·file·<code·class="inline">README.md</code>·found·in·the·current·working·directory.</p></li><li><p>The·compiler·warns·about·exported·functions·whose·specs·refer·to·hidden·types.·Thus,·there·will·be·warnings·when·a·hidden·type·(meaning,·the·type·is·not·part·of·the·documentation)·gets·used·in·an·exported·function.</p></li></ul><p>Own·Id:·OTP-18916·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7936"·title="">PR-7936</a></p></li><li><p>The·documentation·has·been·migrated·to·use·Markdown·and·ExDoc.</p><p>Own·Id:·OTP-18955·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8026"·title="">PR-8026</a></p></li><li><p>The·order·in·which·the·compiler·looks·up·options·has·changed.</p><p>When·there·is·a·conflict·in·the·compiler·options·given·in·the·<code·class="inline">-compile()</code>·attribute·and·options·given·to·the·compiler,·the·options·given·in·the·<code·class="inline">-compile()</code>·attribute·overrides·the·option·given·to·the·compiler,·which·in·turn·overrides·options·given·in·the·<code·class="inline">ERL_COMPILER_OPTIONS</code>·environment·variable.</p><p>Example:</p><p>If··<code·class="inline">some_module.erl</code>·has·the·following·attribute:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 247 | spec·attributes·are·missing·in·documented·functions,·types,·and·callbacks.</p></li><li><p><code·class="inline">moduledoc</code>s·and·<code·class="inline">doc</code>s·may·refer·to·external·files·to·be·embedded,·such·as·<code·class="inline">-doc·{file,·"README.md"}.</code>,·which·refers·to·the·file·<code·class="inline">README.md</code>·found·in·the·current·working·directory.</p></li><li><p>The·compiler·warns·about·exported·functions·whose·specs·refer·to·hidden·types.·Thus,·there·will·be·warnings·when·a·hidden·type·(meaning,·the·type·is·not·part·of·the·documentation)·gets·used·in·an·exported·function.</p></li></ul><p>Own·Id:·OTP-18916·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7936"·title="">PR-7936</a></p></li><li><p>The·documentation·has·been·migrated·to·use·Markdown·and·ExDoc.</p><p>Own·Id:·OTP-18955·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8026"·title="">PR-8026</a></p></li><li><p>The·order·in·which·the·compiler·looks·up·options·has·changed.</p><p>When·there·is·a·conflict·in·the·compiler·options·given·in·the·<code·class="inline">-compile()</code>·attribute·and·options·given·to·the·compiler,·the·options·given·in·the·<code·class="inline">-compile()</code>·attribute·overrides·the·option·given·to·the·compiler,·which·in·turn·overrides·options·given·in·the·<code·class="inline">ERL_COMPILER_OPTIONS</code>·environment·variable.</p><p>Example:</p><p>If··<code·class="inline">some_module.erl</code>·has·the·following·attribute:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="6000350898-1">(</span><span·class="p"·data-group-id="6000350898-2">[</span><span·class="ss">nowarn_missing_spec</span><span·class="p"·data-group-id="6000350898-2">]</span><span·class="p"·data-group-id="6000350898-1">)</span><span·class="p">.</span></code><[·...·truncated·by·diffoscope;·len:·1215,·SHA:·9e80bb57a7496417f053e6a4321c4d10fa61e7553368f3f8b314f7215e9b9f86·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 248 | </span><span·class="nf">update</span><span·class="p"·data-group-id=" | 248 | </span><span·class="nf">update</span><span·class="p"·data-group-id="6873584803-3">(</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="6873584803-4">{</span><span·class="ss">a</span><span·class="o">=</span><span·class="ss">needs_update</span><span·class="p">,</span><span·class="ss">b</s[·...·truncated·by·diffoscope;·len:·195,·SHA:·de21e7fe84dd2f5deb412e6ab0f35cac4de424e5c0fd6588b36caf07c1b52a43·...·]-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 249 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">R0</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 249 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">R0</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="6873584803-5">{</span><span·class="ss">a</span><span·class="o">=</span><span·class="ss">up_to_date</span><span·class="p"·data-group-id="6873584803-5">}</span><span·class="p">,</span><span·class="w"> |
| 250 | ····</span><span·class="k">if</span><span·class="w"> | 250 | ····</span><span·class="k">if</span><span·class="w"> |
| 251 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 251 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 252 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 252 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="6873584803-6">{</span><span·class="ss">c</span><span·class="o">=</span><span·class="ss">negative</span><span·class="p"·data-group-id="6873584803-6">}</span><span·class="p">;</span><span·class="w"> |
| 253 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 253 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 254 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 254 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="6873584803-7">{</span><span·class="ss">c</span><span·class="o">=</span><span·class="ss">zero</span><span·class="p"·data-group-id="6873584803-7">}</span><span·class="p">;</span><span·class="w"> |
| 255 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 255 | ········</span><span·class="n">N</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 256 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 256 | ············</span><span·class="n">R</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="6873584803-8">{</span><span·class="ss">c</span><span·class="o">=</span><span·class="ss">positive</span><span·class="p"·data-group-id="6873584803-8">}</span><span·class="w"> |
| 257 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·record·updates·in·each·of·the·three·clauses·of·the·<code·class="inline">if</code>·can·safely·be·done·in-place,·because·variable·<code·class="inline">R</code>·is·not·used·again.</p><p>Own·Id:·OTP-18972·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8090"·title="">PR-8090</a></p></li><li><p>Improved·the·match·context·reuse·optimization·slightly,·allowing·match·contexts·to·be·passed·as-is·to·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#bit_size/1"><code·class="inline">bit_size/1</code></a>·and·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#byte_size/1"><code·class="inline">byte_size/1</code></a>.</p><p>Own·Id:·OTP-18987</p></li><li><p><a·href="../../../../lib/stdlib-6.2.1/doc/html/erl_lint.html"><code·class="inline">erl_lint</code></a>·(and·by·extension·the·<a·href="compile.html"><code·class="inline">compiler</code></a>)·will·now·warn·for·code·using·deprecated·callbacks.</p><p>The·only·callback·currenly·deprecated·is·<code·class="inline">format_status/2</code>·in·<a·href="../../../../lib/stdlib-6.2.1/doc/html/gen_server.html#c:format_status/2"><code·class="inline">gen_server</code></a>,·<a·href="../../../../lib/stdlib-6.2.1/doc/html/gen_event.html#c:format_status/2"><code·class="inline">gen_event</code></a>·and·<a·href="../../../../lib/stdlib-6.2.1/doc/html/gen_server.html#c:format_status/2"><code·class="inline">gen_statem</code></a>.</p><p>You·can·use·<code·class="inline">nowarn_deprecated_callback</code>·to·silence·the·warning.</p><p>Own·Id:·OTP-19010·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8205"·title="">PR-8205</a></p></li></ul><h2·id="compiler-8-4-3-2"·class="section-heading"> | 257 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·record·updates·in·each·of·the·three·clauses·of·the·<code·class="inline">if</code>·can·safely·be·done·in-place,·because·variable·<code·class="inline">R</code>·is·not·used·again.</p><p>Own·Id:·OTP-18972·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8090"·title="">PR-8090</a></p></li><li><p>Improved·the·match·context·reuse·optimization·slightly,·allowing·match·contexts·to·be·passed·as-is·to·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#bit_size/1"><code·class="inline">bit_size/1</code></a>·and·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#byte_size/1"><code·class="inline">byte_size/1</code></a>.</p><p>Own·Id:·OTP-18987</p></li><li><p><a·href="../../../../lib/stdlib-6.2.1/doc/html/erl_lint.html"><code·class="inline">erl_lint</code></a>·(and·by·extension·the·<a·href="compile.html"><code·class="inline">compiler</code></a>)·will·now·warn·for·code·using·deprecated·callbacks.</p><p>The·only·callback·currenly·deprecated·is·<code·class="inline">format_status/2</code>·in·<a·href="../../../../lib/stdlib-6.2.1/doc/html/gen_server.html#c:format_status/2"><code·class="inline">gen_server</code></a>,·<a·href="../../../../lib/stdlib-6.2.1/doc/html/gen_event.html#c:format_status/2"><code·class="inline">gen_event</code></a>·and·<a·href="../../../../lib/stdlib-6.2.1/doc/html/gen_server.html#c:format_status/2"><code·class="inline">gen_statem</code></a>.</p><p>You·can·use·<code·class="inline">nowarn_deprecated_callback</code>·to·silence·the·warning.</p><p>Own·Id:·OTP-19010·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8205"·title="">PR-8205</a></p></li></ul><h2·id="compiler-8-4-3-2"·class="section-heading"> |
| 258 | ··<a·href="#compiler-8-4-3-2"·class="hover-link"> | 258 | ··<a·href="#compiler-8-4-3-2"·class="hover-link"> |
| 259 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 259 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 260 | ··</a> | 260 | ··</a> |
| 261 | ··<span·class="text">Compiler·8.4.3.2</span> | 261 | ··<span·class="text">Compiler·8.4.3.2</span> |
| 262 | </h2> | 262 | </h2> |
| 263 | <h3·id="fixed-bugs-and-malfunctions-6"·class="section-heading"> | 263 | <h3·id="fixed-bugs-and-malfunctions-6"·class="section-heading"> |
| Offset 3182, 15 lines modified | Offset 3182, 15 lines modified | ||
| 3182 | ······<p·class="built-using"> | 3182 | ······<p·class="built-using"> |
| 3183 | ········Built·using | 3183 | ········Built·using |
| 3184 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3184 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3185 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3185 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3186 | ······</p> | 3186 | ······</p> |
| 3187 | <p>Copyright·©·1996-202 | 3187 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3188 | ····</footer> | 3188 | ····</footer> |
| 3189 | ··</div> | 3189 | ··</div> |
| 3190 | </main> | 3190 | </main> |
| 3191 | </div> | 3191 | </div> |
| 3192 | <script> | 3192 | <script> |
| 3193 | ··function·mermaidLoaded()·{ | 3193 | ··function·mermaidLoaded()·{ |
| 3194 | ····mermaid.initialize({ | 3194 | ····mermaid.initialize({ |
| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 138, 50 lines modified | Offset 138, 50 lines modified | ||
| 138 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 138 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 139 | ··</a> | 139 | ··</a> |
| 140 | ··<span·class="text">Syntax</span> | 140 | ··<span·class="text">Syntax</span> |
| 141 | </h2> | 141 | </h2> |
| 142 | <p>SSA·checks·are·embedded·in·the·source·code·as·comments·starting·with | 142 | <p>SSA·checks·are·embedded·in·the·source·code·as·comments·starting·with |
| 143 | with·one·of·<code·class="inline">%ssa%</code>,·<code·class="inline">%%ssa%</code>·or·<code·class="inline">%%%ssa%</code>.·This·is·a·short | 143 | with·one·of·<code·class="inline">%ssa%</code>,·<code·class="inline">%%ssa%</code>·or·<code·class="inline">%%%ssa%</code>.·This·is·a·short |
| 144 | introduction·the·syntax,·for·the·full·syntax·please·refer·to·the | 144 | introduction·the·syntax,·for·the·full·syntax·please·refer·to·the |
| 145 | <code·class="inline">ssa_check_when_clause</code>·production·in·<code·class="inline">erl_parse.yrl</code>.</p><p>SSA·checks·can·be·placed·inside·any·Erlang·function,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">t0</span><span·class="p"·data-group-id="3 | 145 | <code·class="inline">ssa_check_when_clause</code>·production·in·<code·class="inline">erl_parse.yrl</code>.</p><p>SSA·checks·can·be·placed·inside·any·Erlang·function,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">t0</span><span·class="p"·data-group-id="3649132684-1">(</span><span·class="p"·data-group-id="3649132684-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 146 | </span><span·class="c1">%ssa%·()·when·post_ssa_opt·-></span><span·class="w"> | 146 | </span><span·class="c1">%ssa%·()·when·post_ssa_opt·-></span><span·class="w"> |
| 147 | </span><span·class="c1">%ssa%···ret(#{}).</span><span·class="w"> | 147 | </span><span·class="c1">%ssa%···ret(#{}).</span><span·class="w"> |
| 148 | ··</span><span·class="p"·data-group-id="3 | 148 | ··</span><span·class="p"·data-group-id="3649132684-2">#{</span><span·class="p"·data-group-id="3649132684-2">}</span><span·class="p">.</span></code></pre><p>will·check·that·<code·class="inline">t0/0</code>·returns·the·literal·<code·class="inline">#{}</code>.·If·we·want·to·check |
| 149 | that·a·function·returns·its·first·formal·parameter,·we·can·write:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">t1</span><span·class="p"·data-group-id=" | 149 | that·a·function·returns·its·first·formal·parameter,·we·can·write:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">t1</span><span·class="p"·data-group-id="2694802759-1">(</span><span·class="n">A</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">B</span><span·class="p"·data-group-id="2694802759-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 150 | </span><span·class="c1">%ssa%·(X,·_)·when·post_ssa_opt·-></span><span·class="w"> | 150 | </span><span·class="c1">%ssa%·(X,·_)·when·post_ssa_opt·-></span><span·class="w"> |
| 151 | </span><span·class="c1">%ssa%···ret(X).</span><span·class="w"> | 151 | </span><span·class="c1">%ssa%···ret(X).</span><span·class="w"> |
| 152 | ··</span><span·class="n">A</span><span·class="p">.</span></code></pre><p>Note·how·we·match·the·first·formal·parameter·using·<code·class="inline">X</code>.·The·reason·for | 152 | ··</span><span·class="n">A</span><span·class="p">.</span></code></pre><p>Note·how·we·match·the·first·formal·parameter·using·<code·class="inline">X</code>.·The·reason·for |
| 153 | having·our·own·formal·parameters·for·the·SSA·check,·is·that·we·don't | 153 | having·our·own·formal·parameters·for·the·SSA·check,·is·that·we·don't |
| 154 | want·to·introduce·new·identifiers·at·the·Erlang·level·to·support | 154 | want·to·introduce·new·identifiers·at·the·Erlang·level·to·support |
| 155 | SSA-level·checks.·Consider·if·<code·class="inline">t1/2</code>·had·been·defined·as·<code·class="inline">t1([A|As],·B)</code>·we·would·have·had·to·introduce·a·new·identifier·for·the·aggregate | 155 | SSA-level·checks.·Consider·if·<code·class="inline">t1/2</code>·had·been·defined·as·<code·class="inline">t1([A|As],·B)</code>·we·would·have·had·to·introduce·a·new·identifier·for·the·aggregate |
| 156 | value·<code·class="inline">[A|As]</code>.</p><p>The·full·syntax·for·a·SSA·check·clause·is:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="ss">expected</span><span·class="o">-</span><span·class="ss">result</span><span·class="o">></span><span·class="o">?</span><span·class="w">·</span><span·class="p"·data-group-id=" | 156 | value·<code·class="inline">[A|As]</code>.</p><p>The·full·syntax·for·a·SSA·check·clause·is:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="ss">expected</span><span·class="o">-</span><span·class="ss">result</span><span·class="o">></span><span·class="o">?</span><span·class="w">·</span><span·class="p"·data-group-id="3959114695-1">(</span><span·class="o"><</span><span·class="ss">formals</span><span·class="o">></span><span·class="p"·data-group-id="3959114695-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">pipeline</span><span·class="o">-</span><span·class="ss">location</span><span·class="o">></span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="o"><</span><span·class="ss">checks</span><span·class="o">></span><span·class="w">·</span><span·class="ss">'.'</span></code></pre><p>where·<code·class="inline"><expected-result></code>·can·be·one·of·<code·class="inline">pass</code>·(the·check·must |
| 157 | succeed),·<code·class="inline">fail</code>·and·<code·class="inline">xfail</code>·(the·check·must·fail).·Omitting | 157 | succeed),·<code·class="inline">fail</code>·and·<code·class="inline">xfail</code>·(the·check·must·fail).·Omitting |
| 158 | <code·class="inline"><expected-result></code>·is·parsed·as·an·implicit·<code·class="inline">pass</code>.</p><p><code·class="inline"><formals></code>·is·a·comma-separated·list·of·variables.</p><p><code·class="inline"><pipeline-location></code>·specifies·when·in·the·compiler·pipeline·to·run | 158 | <code·class="inline"><expected-result></code>·is·parsed·as·an·implicit·<code·class="inline">pass</code>.</p><p><code·class="inline"><formals></code>·is·a·comma-separated·list·of·variables.</p><p><code·class="inline"><pipeline-location></code>·specifies·when·in·the·compiler·pipeline·to·run |
| 159 | the·checks.·For·now·the·only·supported·value·for·<code·class="inline"><pipeline-location></code> | 159 | the·checks.·For·now·the·only·supported·value·for·<code·class="inline"><pipeline-location></code> |
| 160 | is·<code·class="inline">post_ssa_opt</code>·which·runs·the·checks·after·the·<code·class="inline">ssa_opt</code>·pass.</p><p><code·class="inline"><checks></code>·is·a·comma-separated·list·of·matches·against·the·BEAM·SSA | 160 | is·<code·class="inline">post_ssa_opt</code>·which·runs·the·checks·after·the·<code·class="inline">ssa_opt</code>·pass.</p><p><code·class="inline"><checks></code>·is·a·comma-separated·list·of·matches·against·the·BEAM·SSA |
| 161 | code.·For·non-flow-control·operations·the·syntax·is:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="ss">variable</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">operation</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id=" | 161 | code.·For·non-flow-control·operations·the·syntax·is:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="ss">variable</span><span·class="o">></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">operation</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id="8687295783-1">(</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">arguments</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id="8687295783-1">)</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">annotation</span><span·class="o">></span><span·class="o">?</span></code></pre><p>where·<code·class="inline"><operation></code>·is·the·<code·class="inline">#b_set.op</code>·field·from·the·internal·SSA |
| 162 | representation.·BIFs·are·written·as·<code·class="inline">bif:<atom></code>.</p><p><code·class="inline"><arguments></code>·is·a·comma-separated·list·of·variables·or·literals.</p><p>For·flow·control·operations·and·labels,·the·syntax·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">br</span><span·class="p"·data-group-id=" | 162 | representation.·BIFs·are·written·as·<code·class="inline">bif:<atom></code>.</p><p><code·class="inline"><arguments></code>·is·a·comma-separated·list·of·variables·or·literals.</p><p>For·flow·control·operations·and·labels,·the·syntax·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">br</span><span·class="p"·data-group-id="8095657968-1">(</span><span·class="o"><</span><span·class="ss">bool</span><span·class="o">></span><span·class="p">,</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">true</span><span·class="o">-</span><span·class="ss">label</s[·...·truncated·by·diffoscope;·len:·255,·SHA:·cbb34a228e8282d387e81e9c8f694629b0e65b176c9970585ad5a71bbf2746c8·...·]8-1">)</span><span·class="w"> |
| 163 | </span><span·class="nf">switch</span><span·class="p"·data-group-id=" | 163 | </span><span·class="nf">switch</span><span·class="p"·data-group-id="8095657968-2">(</span><span·class="o"><</span><span·class="ss">value</span><span·class="o">></span><span·class="p">,</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">fail</span><span·class="o">-</span><span·class="ss">label</[·...·truncated·by·diffoscope;·len:·618,·SHA:·8e36514260d83933fa56f5a96c9c05823a1fb8b84f2a1ef7ab74bbd1fa736dfc·...·]8-2">)</span><span·class="w"> |
| 164 | </span><span·class="nf">ret</span><span·class="p"·data-group-id=" | 164 | </span><span·class="nf">ret</span><span·class="p"·data-group-id="8095657968-5">(</span><span·class="o"><</span><span·class="ss">value</span><span·class="o">></span><span·class="p"·data-group-id="8095657968-5">)</span><span·class="w"> |
| 165 | </span><span·class="ss">label</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">value</span><span·class="o">></span></code></pre><p>where·<code·class="inline"><value></code>·is·a·literal·or·a·variable.</p><p>A·check·can·also·include·an·assertion·on·operation·annotations.·The | 165 | </span><span·class="ss">label</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">value</span><span·class="o">></span></code></pre><p>where·<code·class="inline"><value></code>·is·a·literal·or·a·variable.</p><p>A·check·can·also·include·an·assertion·on·operation·annotations.·The |
| 166 | assertion·is·written·as·a·map-like·pattern·following·the·argument | 166 | assertion·is·written·as·a·map-like·pattern·following·the·argument |
| 167 | list,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">t0</span><span·class="p"·data-group-id=" | 167 | list,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">t0</span><span·class="p"·data-group-id="6181670628-1">(</span><span·class="p"·data-group-id="6181670628-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 168 | </span><span·class="c1">%ssa%·()·when·post_ssa_opt·-></span><span·class="w"> | 168 | </span><span·class="c1">%ssa%·()·when·post_ssa_opt·-></span><span·class="w"> |
| 169 | </span><span·class="c1">%ssa%·_·=·call(fun·return_int/0)·{·result_type·=>·{t_integer,{17,17}},</span><span·class="w"> | 169 | </span><span·class="c1">%ssa%·_·=·call(fun·return_int/0)·{·result_type·=>·{t_integer,{17,17}},</span><span·class="w"> |
| 170 | </span><span·class="c1">%ssa%······························location·=>·{_,32}·},</span><span·class="w"> | 170 | </span><span·class="c1">%ssa%······························location·=>·{_,32}·},</span><span·class="w"> |
| 171 | </span><span·class="c1">%ssa%·_·=·call(fun·return_tuple/0)·{</span><span·class="w"> | 171 | </span><span·class="c1">%ssa%·_·=·call(fun·return_tuple/0)·{</span><span·class="w"> |
| 172 | </span><span·class="c1">%ssa%····result_type·=>·{t_tuple,2,true,#{1·=>·{t_integer,{1,1}},</span><span·class="w"> | 172 | </span><span·class="c1">%ssa%····result_type·=>·{t_tuple,2,true,#{1·=>·{t_integer,{1,1}},</span><span·class="w"> |
| 173 | </span><span·class="c1">%ssa%·····································2·=>·{t_integer,{2,2}}}}</span><span·class="w"> | 173 | </span><span·class="c1">%ssa%·····································2·=>·{t_integer,{2,2}}}}</span><span·class="w"> |
| 174 | </span><span·class="c1">%ssa%·}.</span><span·class="w"> | 174 | </span><span·class="c1">%ssa%·}.</span><span·class="w"> |
| 175 | ····</span><span·class="n">X</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">return_int</span><span·class="p"·data-group-id=" | 175 | ····</span><span·class="n">X</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">return_int</span><span·class="p"·data-group-id="6181670628-2">(</span><span·class="p"·data-group-id="6181670628-2">)</span><span·class="p">,</span><span·class="w"> |
| 176 | ····</span><span·class="n">Y</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">return_tuple</span><span·class="p"·data-group-id=" | 176 | ····</span><span·class="n">Y</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">return_tuple</span><span·class="p"·data-group-id="6181670628-3">(</span><span·class="p"·data-group-id="6181670628-3">)</span><span·class="p">,</span><span·class="w"> |
| 177 | ····</span><span·class="p"·data-group-id=" | 177 | ····</span><span·class="p"·data-group-id="6181670628-4">{</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="6181670628-4">}</span><span·class="p">.</span></code></pre><h2·id="semantics"·class="section-heading"> |
| 178 | ··<a·href="#semantics"·class="hover-link"> | 178 | ··<a·href="#semantics"·class="hover-link"> |
| 179 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 179 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 180 | ··</a> | 180 | ··</a> |
| 181 | ··<span·class="text">Semantics</span> | 181 | ··<span·class="text">Semantics</span> |
| 182 | </h2> | 182 | </h2> |
| 183 | <p>When·an·SSA·assertion·is·matched·against·the·BEAM·SSA·for·a·function, | 183 | <p>When·an·SSA·assertion·is·matched·against·the·BEAM·SSA·for·a·function, |
| 184 | patterns·are·applied·sequentially.·If·the·current·pattern·doesn't | 184 | patterns·are·applied·sequentially.·If·the·current·pattern·doesn't |
| Offset 246, 15 lines modified | Offset 246, 15 lines modified | ||
| 246 | ······<p·class="built-using"> | 246 | ······<p·class="built-using"> |
| 247 | ········Built·using | 247 | ········Built·using |
| 248 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 248 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 249 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 249 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 250 | ······</p> | 250 | ······</p> |
| 251 | <p>Copyright·©·1996-202 | 251 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 252 | ····</footer> | 252 | ····</footer> |
| 253 | ··</div> | 253 | ··</div> |
| 254 | </main> | 254 | </main> |
| 255 | </div> | 255 | </div> |
| 256 | <script> | 256 | <script> |
| 257 | ··function·mermaidLoaded()·{ | 257 | ··function·mermaidLoaded()·{ |
| 258 | ····mermaid.initialize({ | 258 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 315 | ······<p·class="built-using"> | 315 | ······<p·class="built-using"> |
| 316 | ········Built·using | 316 | ········Built·using |
| 317 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 317 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 318 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 318 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 319 | ······</p> | 319 | ······</p> |
| 320 | <p>Copyright·©·1996-202 | 320 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 321 | ····</footer> | 321 | ····</footer> |
| 322 | ··</div> | 322 | ··</div> |
| 323 | </main> | 323 | </main> |
| 324 | </div> | 324 | </div> |
| 325 | <script> | 325 | <script> |
| 326 | ··function·mermaidLoaded()·{ | 326 | ··function·mermaidLoaded()·{ |
| 327 | ····mermaid.initialize({ | 327 | ····mermaid.initialize({ |
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| 181 | ······<p·class="built-using"> | 181 | ······<p·class="built-using"> |
| 182 | ········Built·using | 182 | ········Built·using |
| 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 185 | ······</p> | 185 | ······</p> |
| 186 | <p>Copyright·©·1996-202 | 186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 187 | ····</footer> | 187 | ····</footer> |
| 188 | ··</div> | 188 | ··</div> |
| 189 | </main> | 189 | </main> |
| 190 | </div> | 190 | </div> |
| 191 | <script> | 191 | <script> |
| 192 | ··function·mermaidLoaded()·{ | 192 | ··function·mermaidLoaded()·{ |
| 193 | ····mermaid.initialize({ | 193 | ····mermaid.initialize({ |
| Offset 591, 15 lines modified | Offset 591, 15 lines modified | ||
| 591 | ····<div·class="summary-row"> | 591 | ····<div·class="summary-row"> |
| 592 | ······<div·class="summary-signature"> | 592 | ······<div·class="summary-signature"> |
| 593 | ········<a·href="#t:rsa_params/0"·data-no-tooltip·translate="no">rsa_params()</a> | 593 | ········<a·href="#t:rsa_params/0"·data-no-tooltip·translate="no">rsa_params()</a> |
| 594 | ······</div> | 594 | ······</div> |
| 595 | ········<div·class="summary-synopsis"><pre><code·class="text">rsa_public()·=·[E,·N]</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rsa_private</span><span·class="p"·data-group-id=" | 595 | ········<div·class="summary-synopsis"><pre><code·class="text">rsa_public()·=·[E,·N]</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rsa_private</span><span·class="p"·data-group-id="1545141545-1">(</span><span·class="p"·data-group-id="1545141545-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1545141545-2">[</span><span·class="n">E</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·863,·SHA:·47e7480ce77ca9029a1a4d3ef9d9cc314817694fe5ebc94970c9cc228aa47061·...·]-3">]</span></code></pre><p>Where·E·is·the·public·exponent,·N·is·public·modulus·and·D·is·the·private |
| 596 | exponent.·The·longer·key·format·contains·redundant·information·that·will·make | 596 | exponent.·The·longer·key·format·contains·redundant·information·that·will·make |
| 597 | the·calculation·faster.·P1·and·P2·are·first·and·second·prime·factors.·E1·and·E2 | 597 | the·calculation·faster.·P1·and·P2·are·first·and·second·prime·factors.·E1·and·E2 |
| 598 | are·first·and·second·exponents.·C·is·the·CRT·coefficient.·The·terminology·is | 598 | are·first·and·second·exponents.·C·is·the·CRT·coefficient.·The·terminology·is |
| 599 | taken·from·<a·href="http://www.ietf.org/rfc/rfc3447.txt">RFC·3447</a>.</p></div> | 599 | taken·from·<a·href="http://www.ietf.org/rfc/rfc3447.txt">RFC·3447</a>.</p></div> |
| 600 | ····</div> | 600 | ····</div> |
| Offset 3033, 15 lines modified | Offset 3033, 15 lines modified | ||
| 3033 | ······<div·class="specs"> | 3033 | ······<div·class="specs"> |
| 3034 | ··········<pre·translate="no"><span·class="attribute">-type</span>·rsa_params()·::·{ModulusSizeInBits·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·PublicExponent·::·<a·href="#t:key_integer/0">key_integer</a>()}.</pre> | 3034 | ··········<pre·translate="no"><span·class="attribute">-type</span>·rsa_params()·::·{ModulusSizeInBits·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·PublicExponent·::·<a·href="#t:key_integer/0">key_integer</a>()}.</pre> |
| 3035 | ······</div> | 3035 | ······</div> |
| 3036 | <pre><code·class="text">rsa_public()·=·[E,·N]</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rsa_private</span><span·class="p"·data-group-id=" | 3036 | <pre><code·class="text">rsa_public()·=·[E,·N]</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">rsa_private</span><span·class="p"·data-group-id="1545141545-1">(</span><span·class="p"·data-group-id="1545141545-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1545141545-2">[</span><span·class="n">E</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·863,·SHA:·47e7480ce77ca9029a1a4d3ef9d9cc314817694fe5ebc94970c9cc228aa47061·...·]-3">]</span></code></pre><p>Where·E·is·the·public·exponent,·N·is·public·modulus·and·D·is·the·private |
| 3037 | exponent.·The·longer·key·format·contains·redundant·information·that·will·make | 3037 | exponent.·The·longer·key·format·contains·redundant·information·that·will·make |
| 3038 | the·calculation·faster.·P1·and·P2·are·first·and·second·prime·factors.·E1·and·E2 | 3038 | the·calculation·faster.·P1·and·P2·are·first·and·second·prime·factors.·E1·and·E2 |
| 3039 | are·first·and·second·exponents.·C·is·the·CRT·coefficient.·The·terminology·is | 3039 | are·first·and·second·exponents.·C·is·the·CRT·coefficient.·The·terminology·is |
| 3040 | taken·from·<a·href="http://www.ietf.org/rfc/rfc3447.txt">RFC·3447</a>.</p> | 3040 | taken·from·<a·href="http://www.ietf.org/rfc/rfc3447.txt">RFC·3447</a>.</p> |
| 3041 | ··</section> | 3041 | ··</section> |
| 3042 | </section> | 3042 | </section> |
| 3043 | <section·class="detail"·id="t:rsa_private/0"> | 3043 | <section·class="detail"·id="t:rsa_private/0"> |
| Offset 5316, 17 lines modified | Offset 5316, 17 lines modified | ||
| 5316 | ······</div> | 5316 | ······</div> |
| 5317 | <p>Create·a·state·object·for·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html">random·number·generation</a>,·in·order·to | 5317 | <p>Create·a·state·object·for·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html">random·number·generation</a>,·in·order·to |
| 5318 | generate·cryptographically·strong·random·numbers·(based·on·OpenSSL's | 5318 | generate·cryptographically·strong·random·numbers·(based·on·OpenSSL's |
| 5319 | <code·class="inline">BN_rand_range</code>).</p><p>Saves·the·state·in·the·process·dictionary·before·returning·it·as | 5319 | <code·class="inline">BN_rand_range</code>).</p><p>Saves·the·state·in·the·process·dictionary·before·returning·it·as |
| 5320 | well.·See·also·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html#seed/1"><code·class="inline">rand:seed/1</code></a>·and·<a·href="#rand_seed_s/0"><code·class="inline">rand_seed_s/0</code></a>.</p><p>When·using·the·state·object·from·this·function·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html"><code·class="inline">rand</code></a>·functions·using·it | 5320 | well.·See·also·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html#seed/1"><code·class="inline">rand:seed/1</code></a>·and·<a·href="#rand_seed_s/0"><code·class="inline">rand_seed_s/0</code></a>.</p><p>When·using·the·state·object·from·this·function·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html"><code·class="inline">rand</code></a>·functions·using·it |
| 5321 | may·raise·exception·<code·class="inline">error:low_entropy</code>·in·case·the·random·generator·failed·due | 5321 | may·raise·exception·<code·class="inline">error:low_entropy</code>·in·case·the·random·generator·failed·due |
| 5322 | to·lack·of·secure·"randomness".</p><p><em>Example</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">rand_seed</span><span·class="p"·data-group-id=" | 5322 | to·lack·of·secure·"randomness".</p><p><em>Example</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">rand_seed</span><span·class="p"·data-group-id="0700940152-1">(</span><span·class="p"·data-group-id="0700940152-1">)</span><span·class="p">,</span><span·class="w"> |
| 5323 | </span><span·class="p">_</span><span·class="n">IntegerValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 5323 | </span><span·class="p">_</span><span·class="n">IntegerValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="0700940152-2">(</span><span·class="mi">42</span><span·class="p"·data-group-id="0700940152-2">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·[1;·42]</span><span·class="w"> |
| 5324 | </span><span·class="p">_</span><span·class="n">FloatValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 5324 | </span><span·class="p">_</span><span·class="n">FloatValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="0700940152-3">(</span><span·class="p"·data-group-id="0700940152-3">)</span><span·class="p">.</span><span·class="w">·····</span><span·class="c1">%·[0.0;·1.0[</span></code></pre> |
| 5325 | ··</section> | 5325 | ··</section> |
| 5326 | </section> | 5326 | </section> |
| 5327 | <section·class="detail"·id="rand_seed/1"> | 5327 | <section·class="detail"·id="rand_seed/1"> |
| 5328 | ··<div·class="detail-header"> | 5328 | ··<div·class="detail-header"> |
| 5329 | ····<a·href="#rand_seed/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 5329 | ····<a·href="#rand_seed/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 5330 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 5330 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 5380, 17 lines modified | Offset 5380, 17 lines modified | ||
| 5380 | ······</div> | 5380 | ······</div> |
| 5381 | <p>Create·a·state·object·for·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html">random·number·generation</a>,·in·order·to | 5381 | <p>Create·a·state·object·for·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html">random·number·generation</a>,·in·order·to |
| 5382 | generate·cryptographically·strong·random·numbers.</p><p>Saves·the·state·in·the·process·dictionary·before·returning·it·as·well.·See·also | 5382 | generate·cryptographically·strong·random·numbers.</p><p>Saves·the·state·in·the·process·dictionary·before·returning·it·as·well.·See·also |
| 5383 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html#seed/1"><code·class="inline">rand:seed/1</code></a>·and·<a·href="#rand_seed_alg_s/1"><code·class="inline">rand_seed_alg_s/1</code></a>.</p><p>When·using·the·state·object·from·this·function·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html"><code·class="inline">rand</code></a>·functions·using·it | 5383 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html#seed/1"><code·class="inline">rand:seed/1</code></a>·and·<a·href="#rand_seed_alg_s/1"><code·class="inline">rand_seed_alg_s/1</code></a>.</p><p>When·using·the·state·object·from·this·function·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html"><code·class="inline">rand</code></a>·functions·using·it |
| 5384 | may·raise·exception·<code·class="inline">error:low_entropy</code>·in·case·the·random·generator·failed·due | 5384 | may·raise·exception·<code·class="inline">error:low_entropy</code>·in·case·the·random·generator·failed·due |
| 5385 | to·lack·of·secure·"randomness".</p><p><em>Example</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">rand_seed_alg</span><span·class="p"·data-group-id=" | 5385 | to·lack·of·secure·"randomness".</p><p><em>Example</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">rand_seed_alg</span><span·class="p"·data-group-id="1338789343-1">(</span><span·class="ss">crypto_cache</span><span·class="p"·data-group-id="1338789343-1">)</span><span·class="p">,</span><span·class="w"> |
| 5386 | </span><span·class="p">_</span><span·class="n">IntegerValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 5386 | </span><span·class="p">_</span><span·class="n">IntegerValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="1338789343-2">(</span><span·class="mi">42</span><span·class="p"·data-group-id="1338789343-2">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·[1;·42]</span><span·class="w"> |
| 5387 | </span><span·class="p">_</span><span·class="n">FloatValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 5387 | </span><span·class="p">_</span><span·class="n">FloatValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="1338789343-3">(</span><span·class="p"·data-group-id="1338789343-3">)</span><span·class="p">.</span><span·class="w">·····</span><span·class="c1">%·[0.0;·1.0[</span></code></pre> |
| 5388 | ··</section> | 5388 | ··</section> |
| 5389 | </section> | 5389 | </section> |
| 5390 | <section·class="detail"·id="rand_seed_alg/2"> | 5390 | <section·class="detail"·id="rand_seed_alg/2"> |
| 5391 | ··<div·class="detail-header"> | 5391 | ··<div·class="detail-header"> |
| 5392 | ····<a·href="#rand_seed_alg/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 5392 | ····<a·href="#rand_seed_alg/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 5393 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 5393 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 5412, 20 lines modified | Offset 5412, 20 lines modified | ||
| 5412 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·rand_seed_alg(Alg·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(),·Seed·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·->·{<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html#t:alg_handler/0">rand:alg_handler</a>(),·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>()·|·<a·href="#t:rand_cache_seed/0">rand_cache_seed</a>()}.</pre> | 5412 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·rand_seed_alg(Alg·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(),·Seed·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·->·{<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html#t:alg_handler/0">rand:alg_handler</a>(),·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>()·|·<a·href="#t:rand_cache_seed/0">rand_cache_seed</a>()}.</pre> |
| 5413 | ······</div> | 5413 | ······</div> |
| 5414 | <p>Creates·a·state·object·for·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html">random·number·generation</a>,·in·order·to | 5414 | <p>Creates·a·state·object·for·<a·href="../../../../lib/stdlib-6.2.1/doc/html/rand.html">random·number·generation</a>,·in·order·to |
| 5415 | generate·cryptographically·unpredictable·random·numbers.</p><p>Saves·the·state·in·the·process·dictionary·before·returning·it·as·well.·See·also | 5415 | generate·cryptographically·unpredictable·random·numbers.</p><p>Saves·the·state·in·the·process·dictionary·before·returning·it·as·well.·See·also |
| 5416 | <a·href="#rand_seed_alg_s/2"><code·class="inline">rand_seed_alg_s/2</code></a>.</p><p><em>Example</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">rand_seed_alg</span><span·class="p"·data-group-id=" | 5416 | <a·href="#rand_seed_alg_s/2"><code·class="inline">rand_seed_alg_s/2</code></a>.</p><p><em>Example</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">rand_seed_alg</span><span·class="p"·data-group-id="0102568145-1">(</span><span·class="ss">crypto_aes</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my·seed"</span><span·class="p"·data-group-id="0102568145-1">)</span><span·class="p">,</span><span·class="w"> |
| 5417 | </span><span·class="n">IntegerValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 5417 | </span><span·class="n">IntegerValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="0102568145-2">(</span><span·class="mi">42</span><span·class="p"·data-group-id="0102568145-2">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·[1;·42]</span><span·class="w"> |
| 5418 | </span><span·class="n">FloatValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 5418 | </span><span·class="n">FloatValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="0102568145-3">(</span><span·class="p"·data-group-id="0102568145-3">)</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%·[0.0;·1.0[</span><span·class="w"> |
| 5419 | </span><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">rand_seed_alg</span><span·class="p"·data-group-id=" | 5419 | </span><span·class="p">_</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">rand_seed_alg</span><span·class="p"·data-group-id="0102568145-4">(</span><span·class="ss">crypto_aes</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my·seed"</span><span·class="p"·data-group-id="0102568145-4">)</span><span·class="p">,</span><span·class="w"> |
| 5420 | </span><span·class="n">IntegerValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 5420 | </span><span·class="n">IntegerValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="0102568145-5">(</span><span·class="mi">42</span><span·class="p"·data-group-id="0102568145-5">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Same·values</span><span·class="w"> |
| 5421 | </span><span·class="n">FloatValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 5421 | </span><span·class="n">FloatValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="0102568145-6">(</span><span·class="p"·data-group-id="0102568145-6">)</span><span·class="p">.</span><span·class="w">·····</span><span·class="c1">%·again</span></code></pre> |
| 5422 | ··</section> | 5422 | ··</section> |
| 5423 | </section> | 5423 | </section> |
| 5424 | <section·class="detail"·id="rand_seed_alg_s/1"> | 5424 | <section·class="detail"·id="rand_seed_alg_s/1"> |
| 5425 | ··<div·class="detail-header"> | 5425 | ··<div·class="detail-header"> |
| 5426 | ····<a·href="#rand_seed_alg_s/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 5426 | ····<a·href="#rand_seed_alg_s/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 5427 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 5427 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 5886, 20 lines modified | Offset 5886, 20 lines modified | ||
| 5886 | ················cryptolib_version_compiled·=>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·|·undefined, | 5886 | ················cryptolib_version_compiled·=>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·|·undefined, |
| 5887 | ················cryptolib_version_linked·:=·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), | 5887 | ················cryptolib_version_linked·:=·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), |
| 5888 | ················link_type·:=·dynamic·|·static, | 5888 | ················link_type·:=·dynamic·|·static, |
| 5889 | ················otp_crypto_version·:=·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()}.</pre> | 5889 | ················otp_crypto_version·:=·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()}.</pre> |
| 5890 | ······</div> | 5890 | ······</div> |
| 5891 | <p>Get·information·about·crypto·and·the·OpenSSL·backend.</p><p>Returns·a·map·with·information·about·the·compilation·and·linking·of·crypto.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">info</span><span·class="p"·data-group-id=" | 5891 | <p>Get·information·about·crypto·and·the·OpenSSL·backend.</p><p>Returns·a·map·with·information·about·the·compilation·and·linking·of·crypto.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">info</span><span·class="p"·data-group-id="7616630438-1">(</span><span·class="p"·data-group-id="7616630438-1">)</span><span·class="p">.</span><span·class="w"> |
| 5892 | </span><span·class="p"·data-group-id=" | 5892 | </span><span·class="p"·data-group-id="7616630438-2">#{</span><span·class="ss">compile_type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">normal</span><span·class="p">,</span><span·class="w"> |
| 5893 | ··</span><span·class="ss">cryptolib_version_compiled</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"OpenSSL·3.0.0·7·sep·2021"</span><span·class="p">,</span><span·class="w"> | 5893 | ··</span><span·class="ss">cryptolib_version_compiled</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"OpenSSL·3.0.0·7·sep·2021"</span><span·class="p">,</span><span·class="w"> |
| 5894 | ··</span><span·class="ss">cryptolib_version_linked</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"OpenSSL·3.0.0·7·sep·2021"</span><span·class="p">,</span><span·class="w"> | 5894 | ··</span><span·class="ss">cryptolib_version_linked</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"OpenSSL·3.0.0·7·sep·2021"</span><span·class="p">,</span><span·class="w"> |
| 5895 | ··</span><span·class="ss">link_type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">dynamic</span><span·class="p">,</span><span·class="w"> | 5895 | ··</span><span·class="ss">link_type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">dynamic</span><span·class="p">,</span><span·class="w"> |
| 5896 | ··</span><span·class="ss">otp_crypto_version</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"5.0.2"</span><span·class="p"·data-group-id=" | 5896 | ··</span><span·class="ss">otp_crypto_version</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"5.0.2"</span><span·class="p"·data-group-id="7616630438-2">}</span><span·class="w"> |
| 5897 | </span><span·class="mi">2</span><span·class="o">></span></code></pre><p>More·association·types·than·documented·may·be·present·in·the·map.</p> | 5897 | </span><span·class="mi">2</span><span·class="o">></span></code></pre><p>More·association·types·than·documented·may·be·present·in·the·map.</p> |
| 5898 | ··</section> | 5898 | ··</section> |
| 5899 | </section> | 5899 | </section> |
| 5900 | <section·class="detail"·id="info_fips/0"> | 5900 | <section·class="detail"·id="info_fips/0"> |
| 5901 | ··<div·class="detail-header"> | 5901 | ··<div·class="detail-header"> |
| 5902 | ····<a·href="#info_fips/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 5902 | ····<a·href="#info_fips/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 5954, 16 lines modified | Offset 5954, 16 lines modified | ||
| 5954 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·info_lib()·->·[{Name,·VerNum,·VerStr}] | 5954 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·info_lib()·->·[{Name,·VerNum,·VerStr}] |
| 5955 | ··················when·Name·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(),·VerNum·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·VerStr·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> | 5955 | ··················when·Name·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(),·VerNum·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·VerStr·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> |
| 5956 | ······</div> | 5956 | ······</div> |
| 5957 | <p>Get·the·name·and·version·of·the·libraries·used·by·crypto.</p><p><code·class="inline">Name</code>·is·the·name·of·the·library.·<code·class="inline">VerNum</code>·is·the·numeric·version·according·to | 5957 | <p>Get·the·name·and·version·of·the·libraries·used·by·crypto.</p><p><code·class="inline">Name</code>·is·the·name·of·the·library.·<code·class="inline">VerNum</code>·is·the·numeric·version·according·to |
| 5958 | the·library's·own·versioning·scheme.·<code·class="inline">VerStr</code>·contains·a·text·variant·of·the | 5958 | the·library's·own·versioning·scheme.·<code·class="inline">VerStr</code>·contains·a·text·variant·of·the |
| 5959 | version.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">info_lib</span><span·class="p"·data-group-id=" | 5959 | version.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">info_lib</span><span·class="p"·data-group-id="2203951275-1">(</span><span·class="p"·data-group-id="2203951275-1">)</span><span·class="p">.</span><span·class="w"> |
| 5960 | </span><span·class="p"·data-group-id=" | 5960 | </span><span·class="p"·data-group-id="2203951275-2">[</span><span·class="p"·data-group-id="2203951275-3">{</span><span·class="p"·data-group-id="2203951275-4"><<</span><span·class="s">"OpenSSL"</span><span·class="p"·data-group-id="2203951275-4">>></span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·367,·SHA:·5311cf130dbe642f69c6a44779c15ba26de7e360d59e3807fee8c3a1656b12e5·...·]-2">]</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>From·OTP·R16·the·<em>numeric·version</em>·represents·the·version·of·the·OpenSSL |
| 5961 | <em>header·files</em>·(<code·class="inline">openssl/opensslv.h</code>)·used·when·crypto·was·compiled.·The·text | 5961 | <em>header·files</em>·(<code·class="inline">openssl/opensslv.h</code>)·used·when·crypto·was·compiled.·The·text |
| 5962 | variant·represents·the·libcrypto·library·used·at·runtime.·In·earlier·OTP | 5962 | variant·represents·the·libcrypto·library·used·at·runtime.·In·earlier·OTP |
| 5963 | versions·both·numeric·and·text·was·taken·from·the·library.</p></section> | 5963 | versions·both·numeric·and·text·was·taken·from·the·library.</p></section> |
| 5964 | ··</section> | 5964 | ··</section> |
| 5965 | </section> | 5965 | </section> |
| 5966 | <section·class="detail"·id="mod_pow/3"> | 5966 | <section·class="detail"·id="mod_pow/3"> |
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| 221 | ······<p·class="built-using"> | 221 | ······<p·class="built-using"> |
| 222 | ········Built·using | 222 | ········Built·using |
| 223 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 223 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 224 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 224 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 225 | ······</p> | 225 | ······</p> |
| 226 | <p>Copyright·©·1996-202 | 226 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 227 | ····</footer> | 227 | ····</footer> |
| 228 | ··</div> | 228 | ··</div> |
| 229 | </main> | 229 | </main> |
| 230 | </div> | 230 | </div> |
| 231 | <script> | 231 | <script> |
| 232 | ··function·mermaidLoaded()·{ | 232 | ··function·mermaidLoaded()·{ |
| 233 | ····mermaid.initialize({ | 233 | ····mermaid.initialize({ |
| Offset 157, 50 lines modified | Offset 157, 50 lines modified | ||
| 157 | <h3·id="sign-with-an-engine-stored-private-key"·class="section-heading"> | 157 | <h3·id="sign-with-an-engine-stored-private-key"·class="section-heading"> |
| 158 | ··<a·href="#sign-with-an-engine-stored-private-key"·class="hover-link"> | 158 | ··<a·href="#sign-with-an-engine-stored-private-key"·class="hover-link"> |
| 159 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 159 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 160 | ··</a> | 160 | ··</a> |
| 161 | ··<span·class="text">Sign·with·an·engine·stored·private·key</span> | 161 | ··<span·class="text">Sign·with·an·engine·stored·private·key</span> |
| 162 | </h3> | 162 | </h3> |
| 163 | <p>This·example·shows·how·to·construct·a·key·reference·that·is·used·in·a·sign | 163 | <p>This·example·shows·how·to·construct·a·key·reference·that·is·used·in·a·sign |
| 164 | operation.·The·actual·key·is·stored·in·the·engine·that·is·loaded·at·prompt·1.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id=" | 164 | operation.·The·actual·key·is·stored·in·the·engine·that·is·loaded·at·prompt·1.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id="2563105999-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EngineRef</span><span·class="p"·data-group-id="2563105999-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·276,·SHA:·5cb0ad138f6961bc7f5ab6fbaad67bf3b62c046c31d12f080a551e4372cad41d·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 165 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 166 | </span><span·class="p"·data-group-id=" | 166 | </span><span·class="p"·data-group-id="2563105999-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.2399045421</span><span·class="p">.</span><span·class="mf">3028942852.173962</span><span·[·...·truncated·by·diffoscope;·len:·62,·SHA:·ccedc13b61dbd4d2c6d454c63a0dc0769189b4a3c77c7799308c702dd1ecbfa0·...·]-3">}</span><span·class="gp·unselectable"> |
| 167 | 2>·</span><span·class="n">PrivKey</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 167 | 2>·</span><span·class="n">PrivKey</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2563105999-4">#{</span><span·class="ss">engine</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">EngineRef</span><span·class="p">,</span><span·class="w"> |
| 168 | ···············</span><span·class="ss">key_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"id·of·the·private·key·in·Engine"</span><span·class="p"·data-group-id=" | 168 | ···············</span><span·class="ss">key_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"id·of·the·private·key·in·Engine"</span><span·class="p"·data-group-id="2563105999-4">}</span><span·class="p">.</span><span·class="w"> |
| 169 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> | 169 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 170 | 3>·</span><span·class="n">Signature</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">sign</span><span·class="p"·data-group-id=" | 170 | 3>·</span><span·class="n">Signature</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">sign</span><span·class="p"·data-group-id="2563105999-5">(</span><span·class="ss">rsa</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">sha</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2563105999-6"><<</span><span·class="s">"Th[·...·truncated·by·diffoscope;·len:·201,·SHA:·7fccd9b3f914a0ea89005a1aa545d3017a6ab1ed8465887307afb07eb6d8cc91·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="p"·data-group-id=" | 171 | </span><span·class="p"·data-group-id="2563105999-7"><<</span><span·class="mi">65</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">125</span><span·class="p">,</span><span·class="mi">254</span><span·class="p">,</span><span·class="mi">54</span><span·class="p">,</span><span·class="mi">233</span><span·class="p">,</span><span·class="mi">84</span><span·class="p">,</span><span·class="mi">77</span><span·class="p">,</span><span·class="mi">83</span><span·class="p">,</span><span·class="mi">63</span><span·class="p">,</span><span·class="mi">168</span><span·class="p">,</span><span·class="mi">28</span><span·class="p">,</span><span·class="mi">169</span><span·class="p">,</span><span·class="mi">214</span><span·class="p">,</span><span·class="mi">121</span><span·class="p">,</span><span·class="mi">76</span><span·class="p">,</span><span·class="w"> |
| 172 | ··</span><span·class="mi">207</span><span·class="p">,</span><span·class="mi">177</span><span·class="p">,</span><span·class="mi">124</span><span·class="p">,</span><span·class="mi">183</span><span·class="p">,</span><span·class="mi">156</span><span·class="p">,</span><span·class="mi">185</span><span·class="p">,</span><span·class="mi">160</span><span·class="p">,</span><span·class="mi">243</span><span·class="p">,</span><span·class="mi">36</span><span·class="p">,</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">125</span><span·class="p">,</span><span·class="mi">230</span><span·class="p">,</span><span·class="mi">231</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 172 | ··</span><span·class="mi">207</span><span·class="p">,</span><span·class="mi">177</span><span·class="p">,</span><span·class="mi">124</span><span·class="p">,</span><span·class="mi">183</span><span·class="p">,</span><span·class="mi">156</span><span·class="p">,</span><span·class="mi">185</span><span·class="p">,</span><span·class="mi">160</span><span·class="p">,</span><span·class="mi">243</span><span·class="p">,</span><span·class="mi">36</span><span·class="p">,</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">125</span><span·class="p">,</span><span·class="mi">230</span><span·class="p">,</span><span·class="mi">231</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="2563105999-7">>></span></code></pre><h3·id="verify-with-an-engine-stored-public-key"·class="section-heading"> |
| 173 | ··<a·href="#verify-with-an-engine-stored-public-key"·class="hover-link"> | 173 | ··<a·href="#verify-with-an-engine-stored-public-key"·class="hover-link"> |
| 174 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 174 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 175 | ··</a> | 175 | ··</a> |
| 176 | ··<span·class="text">Verify·with·an·engine·stored·public·key</span> | 176 | ··<span·class="text">Verify·with·an·engine·stored·public·key</span> |
| 177 | </h3> | 177 | </h3> |
| 178 | <p>Here·the·signature·and·message·in·the·last·example·is·verifyed·using·the·public | 178 | <p>Here·the·signature·and·message·in·the·last·example·is·verifyed·using·the·public |
| 179 | key.·The·public·key·is·stored·in·an·engine,·only·to·exemplify·that·it·is | 179 | key.·The·public·key·is·stored·in·an·engine,·only·to·exemplify·that·it·is |
| 180 | possible.·The·public·key·could·of·course·be·handled·openly·as·usual.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="n">PublicKey</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 180 | possible.·The·public·key·could·of·course·be·handled·openly·as·usual.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="n">PublicKey</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9132388295-1">#{</span><span·class="ss">engine</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">EngineRef</span><span·class="p">,</span><span·class="w"> |
| 181 | ·················</span><span·class="ss">key_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"id·of·the·public·key·in·Engine"</span><span·class="p"·data-group-id=" | 181 | ·················</span><span·class="ss">key_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"id·of·the·public·key·in·Engine"</span><span·class="p"·data-group-id="9132388295-1">}</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> | 182 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 183 | 5>·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">verify</span><span·class="p"·data-group-id=" | 183 | 5>·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">verify</span><span·class="p"·data-group-id="9132388295-2">(</span><span·class="ss">rsa</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">sha</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9132388295-3"><<</span><span·class="s">"Th[·...·truncated·by·diffoscope;·len:·283,·SHA:·c38e365bf9434ecf1c93ef29b06f6eddeccaae2d2782aa7dba6ce1f9970dabaa·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 184 | </span><span·class="ss">true</span><span·class="w"> | 184 | </span><span·class="ss">true</span><span·class="w"> |
| 185 | </span><span·class="mi">6</span><span·class="o">></span></code></pre><h3·id="using-a-password-protected-private-key"·class="section-heading"> | 185 | </span><span·class="mi">6</span><span·class="o">></span></code></pre><h3·id="using-a-password-protected-private-key"·class="section-heading"> |
| 186 | ··<a·href="#using-a-password-protected-private-key"·class="hover-link"> | 186 | ··<a·href="#using-a-password-protected-private-key"·class="hover-link"> |
| 187 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 187 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 188 | ··</a> | 188 | ··</a> |
| 189 | ··<span·class="text">Using·a·password·protected·private·key</span> | 189 | ··<span·class="text">Using·a·password·protected·private·key</span> |
| 190 | </h3> | 190 | </h3> |
| 191 | <p>The·same·example·as·the·first·sign·example,·except·that·a·password·protects·the | 191 | <p>The·same·example·as·the·first·sign·example,·except·that·a·password·protects·the |
| 192 | key·down·in·the·Engine.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="n">PrivKeyPwd</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 192 | key·down·in·the·Engine.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="n">PrivKeyPwd</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9123820830-1">#{</span><span·class="ss">engine</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">EngineRef</span><span·class="p">,</span><span·class="w"> |
| 193 | ··················</span><span·class="ss">key_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"id·of·the·pwd·protected·private·key·in·Engine"</span><span·class="p">,</span><span·class="w"> | 193 | ··················</span><span·class="ss">key_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"id·of·the·pwd·protected·private·key·in·Engine"</span><span·class="p">,</span><span·class="w"> |
| 194 | » » ··</span><span·class="ss">password</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"password"</span><span·class="p"·data-group-id=" | 194 | » » ··</span><span·class="ss">password</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"password"</span><span·class="p"·data-group-id="9123820830-1">}</span><span·class="p">.</span><span·class="w"> |
| 195 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> | 195 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 196 | 7>·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">sign</span><span·class="p"·data-group-id=" | 196 | 7>·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">sign</span><span·class="p"·data-group-id="9123820830-2">(</span><span·class="ss">rsa</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">sha</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9123820830-3"><<</span><span·class="s">"Th[·...·truncated·by·diffoscope;·len:·204,·SHA:·72c112fe4d905ce7cf6c50e2c55fc774d4afb6d3633167286fb5d296239b4b0f·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 197 | </span><span·class="p"·data-group-id=" | 197 | </span><span·class="p"·data-group-id="9123820830-4"><<</span><span·class="mi">140</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="mi">168</span><span·class="p">,</span><span·class="mi">101</span><span·class="p">,</span><span·class="mi">234</span><span·class="p">,</span><span·class="mi">211</span><span·class="p">,</span><span·class="mi">146</span><span·class="p">,</span><span·class="mi">183</span><span·class="p">,</span><span·class="mi">231</span><span·class="p">,</span><span·class="mi">190</span><span·class="p">,</span><span·class="mi">160</span><span·class="p">,</span><span·class="mi">82</span><span·class="p">,</span><span·class="mi">85</span><span·class="p">,</span><span·class="mi">163</span><span·class="p">,</span><span·class="w"> |
| 198 | ··</span><span·class="mi">175</span><span·class="p">,</span><span·class="mi">106</span><span·class="p">,</span><span·class="mi">77</span><span·class="p">,</span><span·class="mi">241</span><span·class="p">,</span><span·class="mi">141</span><span·class="p">,</span><span·class="mi">120</span><span·class="p">,</span><span·class="mi">72</span><span·class="p">,</span><span·class="mi">149</span><span·class="p">,</span><span·class="mi">181</span><span·class="p">,</span><span·class="mi">181</span><span·class="p">,</span><span·class="mi">194</span><span·class="p">,</span><span·class="mi">154</span><span·class="p">,</span><span·class="mi">175</span><span·class="p">,</span><span·class="mi">76</span><span·class="p">,</span><span·class="w"> | 198 | ··</span><span·class="mi">175</span><span·class="p">,</span><span·class="mi">106</span><span·class="p">,</span><span·class="mi">77</span><span·class="p">,</span><span·class="mi">241</span><span·class="p">,</span><span·class="mi">141</span><span·class="p">,</span><span·class="mi">120</span><span·class="p">,</span><span·class="mi">72</span><span·class="p">,</span><span·class="mi">149</span><span·class="p">,</span><span·class="mi">181</span><span·class="p">,</span><span·class="mi">181</span><span·class="p">,</span><span·class="mi">194</span><span·class="p">,</span><span·class="mi">154</span><span·class="p">,</span><span·class="mi">175</span><span·class="p">,</span><span·class="mi">76</span><span·class="p">,</span><span·class="w"> |
| 199 | ··</span><span·class="mi">223</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 199 | ··</span><span·class="mi">223</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="9123820830-4">>></span><span·class="w"> |
| 200 | </span><span·class="mi">8</span><span·class="o">></span></code></pre> | 200 | </span><span·class="mi">8</span><span·class="o">></span></code></pre> |
| 201 | </div> | 201 | </div> |
| 202 | <div·class="bottom-actions"·id="bottom-actions"> | 202 | <div·class="bottom-actions"·id="bottom-actions"> |
| 203 | ··<div·class="bottom-actions-item"> | 203 | ··<div·class="bottom-actions-item"> |
| 204 | ······<a·href="engine_load.html"·class="bottom-actions-button"·rel="prev"> | 204 | ······<a·href="engine_load.html"·class="bottom-actions-button"·rel="prev"> |
| Offset 244, 15 lines modified | Offset 244, 15 lines modified | ||
| 244 | ······<p·class="built-using"> | 244 | ······<p·class="built-using"> |
| 245 | ········Built·using | 245 | ········Built·using |
| 246 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 246 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 247 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 247 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 248 | ······</p> | 248 | ······</p> |
| 249 | <p>Copyright·©·1996-202 | 249 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 250 | ····</footer> | 250 | ····</footer> |
| 251 | ··</div> | 251 | ··</div> |
| 252 | </main> | 252 | </main> |
| 253 | </div> | 253 | </div> |
| 254 | <script> | 254 | <script> |
| 255 | ··function·mermaidLoaded()·{ | 255 | ··function·mermaidLoaded()·{ |
| 256 | ····mermaid.initialize({ | 256 | ····mermaid.initialize({ |
| Offset 148, 64 lines modified | Offset 148, 64 lines modified | ||
| 148 | <h3·id="dynamically-load-an-engine-from-default-directory"·class="section-heading"> | 148 | <h3·id="dynamically-load-an-engine-from-default-directory"·class="section-heading"> |
| 149 | ··<a·href="#dynamically-load-an-engine-from-default-directory"·class="hover-link"> | 149 | ··<a·href="#dynamically-load-an-engine-from-default-directory"·class="hover-link"> |
| 150 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 150 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 151 | ··</a> | 151 | ··</a> |
| 152 | ··<span·class="text">Dynamically·load·an·engine·from·default·directory</span> | 152 | ··<span·class="text">Dynamically·load·an·engine·from·default·directory</span> |
| 153 | </h3> | 153 | </h3> |
| 154 | <p>If·the·engine·is·located·in·the·OpenSSL/LibreSSL·installation·<code·class="inline">engines</code> | 154 | <p>If·the·engine·is·located·in·the·OpenSSL/LibreSSL·installation·<code·class="inline">engines</code> |
| 155 | directory.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id=" | 155 | directory.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id="0319003031-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Engine</span><span·class="p"·data-group-id="0319003031-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·654,·SHA:·c4b24d1aea2ed01e15fe6546e27956c715e193da7dc848ef3f2bd6a7847d97cb·...·]1-2">)</span><span·class="p">.</span><span·class="w"> |
| 156 | ·</span><span·class="p"·data-group-id=" | 156 | ·</span><span·class="p"·data-group-id="0319003031-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p">#</span><span·class="n">Ref</span><span·class="p"·data-group-id="0319003031-6">}</span></code></pre><h3·id="load-an-engine-with-the-dynamic-engine"·class="section-heading"> |
| 157 | ··<a·href="#load-an-engine-with-the-dynamic-engine"·class="hover-link"> | 157 | ··<a·href="#load-an-engine-with-the-dynamic-engine"·class="hover-link"> |
| 158 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 158 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 159 | ··</a> | 159 | ··</a> |
| 160 | ··<span·class="text">Load·an·engine·with·the·dynamic·engine</span> | 160 | ··<span·class="text">Load·an·engine·with·the·dynamic·engine</span> |
| 161 | </h3> | 161 | </h3> |
| 162 | <p>Load·an·engine·with·the·help·of·the·dynamic·engine·by·giving·the·path·to·the | 162 | <p>Load·an·engine·with·the·help·of·the·dynamic·engine·by·giving·the·path·to·the |
| 163 | library.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id=" | 163 | library.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id="3596900254-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Engine</span><span·class="p"·data-group-id="3596900254-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·279,·SHA:·4afd976869cc9de1921c8180b53074480e6455cd6e65216a259db6c15abe0d48·...·]-3">>></span><span·class="p">,</span><span·class="w"> |
| 164 | ······································</span><span·class="p"·data-group-id=" | 164 | ······································</span><span·class="p"·data-group-id="3596900254-4">[</span><span·class="p"·data-group-id="3596900254-5">{</span><span·class="p"·data-group-id="3596900254-6"><<</span><span·class="s">"SO_PATH"</span><span·class="p"·data-group-id="3596900254-6">>></span><span·class="p">,</span><span·class="w"> |
| 165 | ········································</span><span·class="p"·data-group-id=" | 165 | ········································</span><span·class="p"·data-group-id="3596900254-7"><<</span><span·class="s">"/some/path/otp_test_engine.so"</span><span·class="p"·data-group-id="3596900254-7">>></span><span·class="p"·data-group-id="3596900254-5">}</span><span·class="p">,</span><span·class="w"> |
| 166 | ·······································</span><span·class="p"·data-group-id=" | 166 | ·······································</span><span·class="p"·data-group-id="3596900254-8">{</span><span·class="p"·data-group-id="3596900254-9"><<</span><span·class="s">"ID"</span><span·class="p"·data-group-id="3596900254-9">>></span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·172,·SHA:·ebdcbc68b1163a42cc5b6487372a1940d97cea23a2c5f1d17a2285fed6324d74·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 167 | ·······································</span><span·class="p"·data-group-id=" | 167 | ·······································</span><span·class="p"·data-group-id="3596900254-11"><<</span><span·class="s">"LOAD"</span><span·class="p"·data-group-id="3596900254-11">>></span><span·class="p"·data-group-id="3596900254-4">]</span><span·class="p">,</span><span·class="w"> |
| 168 | ······································</span><span·class="p"·data-group-id=" | 168 | ······································</span><span·class="p"·data-group-id="3596900254-12">[</span><span·class="p"·data-group-id="3596900254-12">]</span><span·class="p"·data-group-id="3596900254-2">)</span><span·class="p">.</span><span·class="w"> |
| 169 | ·</span><span·class="p"·data-group-id=" | 169 | ·</span><span·class="p"·data-group-id="3596900254-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p">#</span><span·class="n">Ref</span><span·class="p"·data-group-id="3596900254-13">}</span></code></pre><h3·id="load-an-engine-and-replace-some-methods"·class="section-heading"> |
| 170 | ··<a·href="#load-an-engine-and-replace-some-methods"·class="hover-link"> | 170 | ··<a·href="#load-an-engine-and-replace-some-methods"·class="hover-link"> |
| 171 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 171 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 172 | ··</a> | 172 | ··</a> |
| 173 | ··<span·class="text">Load·an·engine·and·replace·some·methods</span> | 173 | ··<span·class="text">Load·an·engine·and·replace·some·methods</span> |
| 174 | </h3> | 174 | </h3> |
| 175 | <p>Load·an·engine·with·the·help·of·the·dynamic·engine·and·just·replace·some·engine | 175 | <p>Load·an·engine·with·the·help·of·the·dynamic·engine·and·just·replace·some·engine |
| 176 | methods.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id=" | 176 | methods.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id="8660202236-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Engine</span><span·class="p"·data-group-id="8660202236-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·279,·SHA:·37b86bdaf776cf62828af3173628fcd0c46116849bea5fcc0eb804baa0a121db·...·]-3">>></span><span·class="p">,</span><span·class="w"> |
| 177 | ······································</span><span·class="p"·data-group-id=" | 177 | ······································</span><span·class="p"·data-group-id="8660202236-4">[</span><span·class="p"·data-group-id="8660202236-5">{</span><span·class="p"·data-group-id="8660202236-6"><<</span><span·class="s">"SO_PATH"</span><span·class="p"·data-group-id="8660202236-6">>></span><span·class="p">,</span><span·class="w"> |
| 178 | ········································</span><span·class="p"·data-group-id=" | 178 | ········································</span><span·class="p"·data-group-id="8660202236-7"><<</span><span·class="s">"/some/path/otp_test_engine.so"</span><span·class="p"·data-group-id="8660202236-7">>></span><span·class="p"·data-group-id="8660202236-5">}</span><span·class="p">,</span><span·class="w"> |
| 179 | ·······································</span><span·class="p"·data-group-id=" | 179 | ·······································</span><span·class="p"·data-group-id="8660202236-8">{</span><span·class="p"·data-group-id="8660202236-9"><<</span><span·class="s">"ID"</span><span·class="p"·data-group-id="8660202236-9">>></span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·172,·SHA:·303139a6ff6a350d7e9b2b912bd2ecabe908654c6cb46a8f173079482c767a1a·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 180 | ·······································</span><span·class="p"·data-group-id=" | 180 | ·······································</span><span·class="p"·data-group-id="8660202236-11"><<</span><span·class="s">"LOAD"</span><span·class="p"·data-group-id="8660202236-11">>></span><span·class="p"·data-group-id="8660202236-4">]</span><span·class="p">,</span><span·class="w"> |
| 181 | ······································</span><span·class="p"·data-group-id=" | 181 | ······································</span><span·class="p"·data-group-id="8660202236-12">[</span><span·class="p"·data-group-id="8660202236-12">]</span><span·class="p"·data-group-id="8660202236-2">)</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="p"·data-group-id=" | 182 | </span><span·class="p"·data-group-id="8660202236-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p">#</span><span·class="n">Ref</span><span·class="p"·data-group-id="8660202236-13">}</span><span·class="gp·unselectable"> |
| 183 | 4>·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">engine_register</span><span·class="p"·data-group-id=" | 183 | 4>·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">engine_register</span><span·class="p"·data-group-id="8660202236-14">(</span><span·class="n">Engine</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8660202236-15">[</span><span·class="ss">engine_method_digests</span><span·class="p"·data-group-id="8660202236-15">]</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·af3e14bfb85b988b83cc5d34d73d1a2c28c42afbad5e7f1414ed9d8ad17c368b·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 184 | </span><span·class="ss">ok</span></code></pre><h3·id="load-with-the-ensure-loaded-function"·class="section-heading"> | 184 | </span><span·class="ss">ok</span></code></pre><h3·id="load-with-the-ensure-loaded-function"·class="section-heading"> |
| 185 | ··<a·href="#load-with-the-ensure-loaded-function"·class="hover-link"> | 185 | ··<a·href="#load-with-the-ensure-loaded-function"·class="hover-link"> |
| 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 187 | ··</a> | 187 | ··</a> |
| 188 | ··<span·class="text">Load·with·the·ensure·loaded·function</span> | 188 | ··<span·class="text">Load·with·the·ensure·loaded·function</span> |
| 189 | </h3> | 189 | </h3> |
| 190 | <p>This·function·makes·sure·the·engine·is·loaded·just·once·and·the·ID·is·added·to | 190 | <p>This·function·makes·sure·the·engine·is·loaded·just·once·and·the·ID·is·added·to |
| 191 | the·internal·engine·list·of·OpenSSL.·The·following·calls·to·the·function·will | 191 | the·internal·engine·list·of·OpenSSL.·The·following·calls·to·the·function·will |
| 192 | check·if·the·ID·is·loaded·and·then·just·get·a·new·reference·to·the·engine.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id="9 | 192 | check·if·the·ID·is·loaded·and·then·just·get·a·new·reference·to·the·engine.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id="9839615857-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Engine</span><span·class="p"·data-group-id="9839615857-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·283,·SHA:·5fcc927bc41c77ac2365b1098a7186359f6894625f9b357657140d35410d8c59·...·]-3">>></span><span·class="p">,</span><span·class="w"> |
| 193 | ···············································</span><span·class="p"·data-group-id="9 | 193 | ···············································</span><span·class="p"·data-group-id="9839615857-4"><<</span><span·class="s">"/some/path/otp_test_engine.so"</span><span·class="p"·data-group-id="9839615857-4">>></span><span·class="p"·data-group-id="9839615857-2">)</span><span·class="p">.</span><span·class="w"> |
| 194 | ·</span><span·class="p"·data-group-id="9 | 194 | ·</span><span·class="p"·data-group-id="9839615857-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p">#</span><span·class="n">Ref</span><span·class="p"·data-group-id="9839615857-5">}</span></code></pre><p>To·remove·the·tag·from·the·OpenSSL·engine·[·...·truncated·by·diffoscope;·len:·468,·SHA:·e7ca78efc4048c9e90a1c42b6d175153ea30dbd5914b3453975a0aa003f599f7·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 195 | ·</span><span·class="ss">ok</span></code></pre><p>To·unload·it·use·<a·href="crypto.html#engine_unload/1"><code·class="inline">crypto:engine_unload/1</code></a>·which·removes·the·references·to·the | 195 | ·</span><span·class="ss">ok</span></code></pre><p>To·unload·it·use·<a·href="crypto.html#engine_unload/1"><code·class="inline">crypto:engine_unload/1</code></a>·which·removes·the·references·to·the |
| 196 | engine.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">engine_unload</span><span·class="p"·data-group-id=" | 196 | engine.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">engine_unload</span><span·class="p"·data-group-id="5957641125-1">(</span><span·class="n">Engine</span><span·class="p"·data-group-id="5957641125-1">)</span><span·class="p">.</span><span·class="w"> |
| 197 | ·</span><span·class="ss">ok</span></code></pre><h3·id="list-all-engines-currently-loaded"·class="section-heading"> | 197 | ·</span><span·class="ss">ok</span></code></pre><h3·id="list-all-engines-currently-loaded"·class="section-heading"> |
| 198 | ··<a·href="#list-all-engines-currently-loaded"·class="hover-link"> | 198 | ··<a·href="#list-all-engines-currently-loaded"·class="hover-link"> |
| 199 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 199 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 200 | ··</a> | 200 | ··</a> |
| 201 | ··<span·class="text">List·all·engines·currently·loaded</span> | 201 | ··<span·class="text">List·all·engines·currently·loaded</span> |
| 202 | </h3> | 202 | </h3> |
| 203 | <pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">engine_list</span><span·class="p"·data-group-id=" | 203 | <pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">engine_list</span><span·class="p"·data-group-id="2859427524-1">(</span><span·class="p"·data-group-id="2859427524-1">)</span><span·class="p">.</span><span·class="w"> |
| 204 | </span><span·class="p"·data-group-id=" | 204 | </span><span·class="p"·data-group-id="2859427524-2">[</span><span·class="p"·data-group-id="2859427524-3"><<</span><span·class="s">"dynamic"</span><span·class="p"·data-group-id="2859427524-3">>></span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·175,·SHA:·c7c8e2ddf683ce6fe75f3b8e4f7581ac6fdb2eed54f8844db9d0c9150e821aa0·...·]-2">]</span></code></pre> |
| 205 | </div> | 205 | </div> |
| 206 | <div·class="bottom-actions"·id="bottom-actions"> | 206 | <div·class="bottom-actions"·id="bottom-actions"> |
| 207 | ··<div·class="bottom-actions-item"> | 207 | ··<div·class="bottom-actions-item"> |
| 208 | ······<a·href="fips.html"·class="bottom-actions-button"·rel="prev"> | 208 | ······<a·href="fips.html"·class="bottom-actions-button"·rel="prev"> |
| 209 | ········<span·class="subheader"> | 209 | ········<span·class="subheader"> |
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| 248 | ······<p·class="built-using"> | 248 | ······<p·class="built-using"> |
| 249 | ········Built·using | 249 | ········Built·using |
| 250 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 250 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 251 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 251 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 252 | ······</p> | 252 | ······</p> |
| 253 | <p>Copyright·©·1996-202 | 253 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 254 | ····</footer> | 254 | ····</footer> |
| 255 | ··</div> | 255 | ··</div> |
| 256 | </main> | 256 | </main> |
| 257 | </div> | 257 | </div> |
| 258 | <script> | 258 | <script> |
| 259 | ··function·mermaidLoaded()·{ | 259 | ··function·mermaidLoaded()·{ |
| 260 | ····mermaid.initialize({ | 260 | ····mermaid.initialize({ |
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| 289 | ······<p·class="built-using"> | 289 | ······<p·class="built-using"> |
| 290 | ········Built·using | 290 | ········Built·using |
| 291 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 291 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 292 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 292 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 293 | ······</p> | 293 | ······</p> |
| 294 | <p>Copyright·©·1996-202 | 294 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 295 | ····</footer> | 295 | ····</footer> |
| 296 | ··</div> | 296 | ··</div> |
| 297 | </main> | 297 | </main> |
| 298 | </div> | 298 | </div> |
| 299 | <script> | 299 | <script> |
| 300 | ··function·mermaidLoaded()·{ | 300 | ··function·mermaidLoaded()·{ |
| 301 | ····mermaid.initialize({ | 301 | ····mermaid.initialize({ |
| Offset 292, 15 lines modified | Offset 292, 15 lines modified | ||
| 292 | ······<p·class="built-using"> | 292 | ······<p·class="built-using"> |
| 293 | ········Built·using | 293 | ········Built·using |
| 294 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 294 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 295 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 295 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 296 | ······</p> | 296 | ······</p> |
| 297 | <p>Copyright·©·1996-202 | 297 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 298 | ····</footer> | 298 | ····</footer> |
| 299 | ··</div> | 299 | ··</div> |
| 300 | </main> | 300 | </main> |
| 301 | </div> | 301 | </div> |
| 302 | <script> | 302 | <script> |
| 303 | ··function·mermaidLoaded()·{ | 303 | ··function·mermaidLoaded()·{ |
| 304 | ····mermaid.initialize({ | 304 | ····mermaid.initialize({ |
| Offset 188, 111 lines modified | Offset 188, 111 lines modified | ||
| 188 | </h3> | 188 | </h3> |
| 189 | <p>The·functions·<a·href="crypto.html#crypto_init/4">crypto_init/4</a>·and | 189 | <p>The·functions·<a·href="crypto.html#crypto_init/4">crypto_init/4</a>·and |
| 190 | <a·href="crypto.html#crypto_update/2">crypto_update/2</a>·are·intended·to·be·used·for | 190 | <a·href="crypto.html#crypto_update/2">crypto_update/2</a>·are·intended·to·be·used·for |
| 191 | encrypting·or·decrypting·a·sequence·of·blocks.·First·one·call·of·<code·class="inline">crypto_init/4</code> | 191 | encrypting·or·decrypting·a·sequence·of·blocks.·First·one·call·of·<code·class="inline">crypto_init/4</code> |
| 192 | initialises·the·crypto·context.·One·or·more·calls·<code·class="inline">crypto_update/2</code>·does·the | 192 | initialises·the·crypto·context.·One·or·more·calls·<code·class="inline">crypto_update/2</code>·does·the |
| 193 | actual·encryption·or·decryption·for·each·block.</p><p>This·example·shows·first·the·encryption·of·two·blocks·and·then·decryptions·of | 193 | actual·encryption·or·decryption·for·each·block.</p><p>This·example·shows·first·the·encryption·of·two·blocks·and·then·decryptions·of |
| 194 | the·cipher·text,·but·divided·into·three·blocks·just·to·show·that·it·is·possible | 194 | the·cipher·text,·but·divided·into·three·blocks·just·to·show·that·it·is·possible |
| 195 | to·divide·the·plain·text·and·cipher·text·differently·for·some·ciphers:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 195 | to·divide·the·plain·text·and·cipher·text·differently·for·some·ciphers:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="1972212170-1">(</span><span·class="p"·data-group-id="1972212170-1">)</span><span·class="p">.</span><span·class="w"> |
| 196 | » </span><span·class="ss">ok</span><span·class="w"> | 196 | » </span><span·class="ss">ok</span><span·class="w"> |
| 197 | » </span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="n">Key</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 197 | » </span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="n">Key</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1972212170-2"><<</span><span·class="mi">1</span><span·class="p">:</span><span·class="mi">128</span><span·class="p"·data-group-id="1972212170-2">>></span><span·class="p">.</span><span·class="w"> |
| 198 | » </span><span·class="p"·data-group-id=" | 198 | » </span><span·class="p"·data-group-id="1972212170-3"><<</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·[·...·truncated·by·diffoscope;·len:·574,·SHA:·ee21f9afd2607c34ae99a4d369a1bff2700592314bb118b7ae1d6e72794c519f·...·]-3">>></span><span·class="w"> |
| 199 | » </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="n">IV</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 199 | » </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="n">IV</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1972212170-4"><<</span><span·class="mi">0</span><span·class="p">:</span><span·class="mi">128</span><span·class="p"·data-group-id="1972212170-4">>></span><span·class="p">.</span><span·class="w"> |
| 200 | » </span><span·class="p"·data-group-id=" | 200 | » </span><span·class="p"·data-group-id="1972212170-5"><<</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·[·...·truncated·by·diffoscope;·len:·574,·SHA:·e5eef15e353a7917ce976a2b20c0aa0b2772171664d4bc8f8f083121d6875b4c·...·]-5">>></span><span·class="w"> |
| 201 | » </span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="n">StateEnc</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_init</span><span·class="p"·data-group-id=" | 201 | » </span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="n">StateEnc</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_init</span><span·class="p"·data-group-id="1972212170-6">(</span><span·class="ss">aes_128_ctr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IV</span><span·class="p">,</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·65,·SHA:·fed7f3b456a8bac7a6701c6fb3e29be347ec8b9077358bf4d033d4e35c40b564·...·]-6">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·encrypt·->·true</span><span·class="w"> |
| 202 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.3768901617</span><span·class="p">.</span><span·class="mf">1128660993.124047</span><span·class="o">></span><span·class="w"> | 202 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.3768901617</span><span·class="p">.</span><span·class="mf">1128660993.124047</span><span·class="o">></span><span·class="w"> |
| 203 | » </span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id=" | 203 | » </span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id="1972212170-7">(</span><span·class="n">StateEnc</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1972212170-8"><<</span><span·class="s">"First·bytes"</span><span·class="p"·data-group-id="1972212170-8">>[·...·truncated·by·diffoscope;·len:·52,·SHA:·6134e4e97c600897aed2cef973614ec2295422bd625ccc3820a27da214bb52e5·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 204 | » </span><span·class="p"·data-group-id=" | 204 | » </span><span·class="p"·data-group-id="1972212170-9"><<</span><span·class="mi">67</span><span·class="p">,</span><span·class="mi">44</span><span·class="p">,</span><span·class="mi">216</span><span·class="p">,</span><span·class="mi">166</span><span·class="p">,</span><span·class="mi">25</span[·...·truncated·by·diffoscope;·len:·343,·SHA:·e3e2b33ef22bf48a024ecc7007b1a12fedd3ef04c9bf86d4ca8ff891e73ae6d1·...·]-9">>></span><span·class="w"> |
| 205 | » </span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id=" | 205 | » </span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id="1972212170-10">(</span><span·class="n">StateEnc</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1972212170-11"><<</span><span·class="s">"Second·bytes"</span><span·class="p"·data-group-id="1972212170-11">[·...·truncated·by·diffoscope;·len:·56,·SHA:·c9b8c666b82c2f6e0e858b778add20a0717cea3ee4971a5a2b2a230978a70247·...·]-10">)</span><span·class="p">.</span><span·class="w"> |
| 206 | » </span><span·class="p"·data-group-id=" | 206 | » </span><span·class="p"·data-group-id="1972212170-12"><<</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">94</span><span·class="p">,</span><span·class="mi">115</span><span·class="p">,</span><span·class="mi">234</spa[·...·truncated·by·diffoscope;·len:·397,·SHA:·1ab82892ac1550e8dd82edeba6e35e2c9aa202f2341c8c42de86f71ba03875c7·...·]-12">>></span><span·class="w"> |
| 207 | » </span><span·class="mi">7</span><span·class="o">></span><span·class="w"> | 207 | » </span><span·class="mi">7</span><span·class="o">></span><span·class="w"> |
| 208 | » </span><span·class="mi">7</span><span·class="o">></span><span·class="w">·</span><span·class="n">StateDec</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_init</span><span·class="p"·data-group-id=" | 208 | » </span><span·class="mi">7</span><span·class="o">></span><span·class="w">·</span><span·class="n">StateDec</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_init</span><span·class="p"·data-group-id="1972212170-13">(</span><span·class="ss">aes_128_ctr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IV</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·67,·SHA:·e0428f753803d5d2eb7abaafe3947b3ac6f7a3f9fd7d0cf6ca89719e9ac59901·...·]-13">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·decrypt·->·false</span><span·class="w"> |
| 209 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.3768901617</span><span·class="p">.</span><span·class="mf">1128660994.124255</span><span·class="o">></span><span·class="w"> | 209 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.3768901617</span><span·class="p">.</span><span·class="mf">1128660994.124255</span><span·class="o">></span><span·class="w"> |
| 210 | » </span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id=" | 210 | » </span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id="1972212170-14">(</span><span·class="n">StateDec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1972212170-15"><<</span><span·class="mi">67</span><span·class="p">,</span><span·class="mi">44</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·339,·SHA:·e44b609d14b5b004acc6a83fd1387883fd12a1cc31c7f8db597be3c948c5917f·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 211 | » </span><span·class="p"·data-group-id=" | 211 | » </span><span·class="p"·data-group-id="1972212170-16"><<</span><span·class="s">"First·b"</span><span·class="p"·data-group-id="1972212170-16">>></span><span·class="w"> |
| 212 | » </span><span·class="mi">9</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id=" | 212 | » </span><span·class="mi">9</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id="1972212170-17">(</span><span·class="n">StateDec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1972212170-18"><<</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">66</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">162</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">94</span><span·class="p">,</span><span·class="mi">115</span><span·class="p">,</span><span·class="mi">234</span><span·class="p">,</span><span·class="mi">197</span><span·class="p">,</span><span·class="w"> |
| 213 | ········</span><span·class="mi">94</span><span·class="p">,</span><span·class="mi">253</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">144</span><span·class="p">,</span><span·class="mi">151</span><span·class="p"·data-group-id=" | 213 | ········</span><span·class="mi">94</span><span·class="p">,</span><span·class="mi">253</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">144</span><span·class="p">,</span><span·class="mi">151</span><span·class="p"·data-group-id="1972212170-18">>></span><span·class="p"·data-group-id="1972212170-17">)</span><span·class="p">.</span><span·class="w"> |
| 214 | » </span><span·class="p"·data-group-id=" | 214 | » </span><span·class="p"·data-group-id="1972212170-19"><<</span><span·class="s">"ytesSecond·byte"</span><span·class="p"·data-group-id="1972212170-19">>></span><span·class="w"> |
| 215 | » </span><span·class="mi">10</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id=" | 215 | » </span><span·class="mi">10</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id="1972212170-20">(</span><span·class="n">StateDec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1972212170-21"><<</span><span·class="mi">41</span><span·class="p"·data-group-id="1972212170-21">>></span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·5bbada904ba175e0fec4b3e7fd8647c601f7ade6fa35ab541b0b772328dd3ed2·...·]-20">)</span><span·class="p">.</span><span·class="w"> |
| 216 | » </span><span·class="p"·data-group-id=" | 216 | » </span><span·class="p"·data-group-id="1972212170-22"><<</span><span·class="s">"s"</span><span·class="p"·data-group-id="1972212170-22">>></span><span·class="w"> |
| 217 | » </span><span·class="mi">11</span><span·class="o">></span></code></pre><p>Note·that·the·internal·data·that·the·<code·class="inline">StateEnc</code>·and·<code·class="inline">StateDec</code>·references·are | 217 | » </span><span·class="mi">11</span><span·class="o">></span></code></pre><p>Note·that·the·internal·data·that·the·<code·class="inline">StateEnc</code>·and·<code·class="inline">StateDec</code>·references·are |
| 218 | destructivly·updated·by·the·calls·to | 218 | destructivly·updated·by·the·calls·to |
| 219 | <a·href="crypto.html#crypto_update/2">crypto_update/2</a>.·This·is·to·gain·time·in·the·calls | 219 | <a·href="crypto.html#crypto_update/2">crypto_update/2</a>.·This·is·to·gain·time·in·the·calls |
| 220 | of·the·nifs·interfacing·the·cryptolib.·In·a·loop·where·the·state·is·saved·in·the | 220 | of·the·nifs·interfacing·the·cryptolib.·In·a·loop·where·the·state·is·saved·in·the |
| 221 | loop's·state,·it·also·saves·one·update·of·the·loop·state·per·crypto·operation.</p><p>For·example,·a·simple·server·receiving·text·parts·to·encrypt·and·send·the·result | 221 | loop's·state,·it·also·saves·one·update·of·the·loop·state·per·crypto·operation.</p><p>For·example,·a·simple·server·receiving·text·parts·to·encrypt·and·send·the·result |
| 222 | back·to·the·one·who·sent·them·(the·<code·class="inline">Requester</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="nf">encode</span><span·class="p"·data-group-id=" | 222 | back·to·the·one·who·sent·them·(the·<code·class="inline">Requester</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="nf">encode</span><span·class="p"·data-group-id="7776661942-1">(</span><span·class="n">Crypto</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IV</span><span·class="p"·data-group-id="7776661942-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 223 | » </span><span·class="nf">crypto_loop</span><span·class="p"·data-group-id=" | 223 | » </span><span·class="nf">crypto_loop</span><span·class="p"·data-group-id="7776661942-2">(</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_init</span><span·class="p"·data-group-id="7776661942-3">(</span><span·class="n">Crypto</span><span·class="p">,</span><span·class="w">·</span><span·class="n"[·...·truncated·by·diffoscope;·len:·253,·SHA:·009e93004e3c3feea1d592d4240c900c53ff9b91f5aec077d755655fd7e86192·...·]2-2">)</span><span·class="p">.</span><span·class="w"> |
| 224 | » </span><span·class="nf">crypto_loop</span><span·class="p"·data-group-id=" | 224 | » </span><span·class="nf">crypto_loop</span><span·class="p"·data-group-id="7776661942-4">(</span><span·class="n">State</span><span·class="p"·data-group-id="7776661942-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 225 | » </span><span·class="k">receive</span><span·class="w"> | 225 | » </span><span·class="k">receive</span><span·class="w"> |
| 226 | ········</span><span·class="p"·data-group-id=" | 226 | ········</span><span·class="p"·data-group-id="7776661942-5">{</span><span·class="n">Text</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Requester</span><span·class="p"·data-group-id="7776661942-5">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 227 | ········</span><span·class="n">Requester</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id=" | 227 | ········</span><span·class="n">Requester</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_update</span><span·class="p"·data-group-id="7776661942-6">(</span><span·class="n">State</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Text</span><span·class="p"·data-group-id="7776661942-6">)</span><span·class="p">,</span><span·class="w"> |
| 228 | » </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 228 | » </span><span·class="nf">loop</span><span·class="p"·data-group-id="7776661942-7">(</span><span·class="n">State</span><span·class="p"·data-group-id="7776661942-7">)</span><span·class="w"> |
| 229 | » </span><span·class="k">end</span><span·class="p">.</span></code></pre><h3·id="example-of-crypto_one_time-5"·class="section-heading"> | 229 | » </span><span·class="k">end</span><span·class="p">.</span></code></pre><h3·id="example-of-crypto_one_time-5"·class="section-heading"> |
| 230 | ··<a·href="#example-of-crypto_one_time-5"·class="hover-link"> | 230 | ··<a·href="#example-of-crypto_one_time-5"·class="hover-link"> |
| 231 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 231 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 232 | ··</a> | 232 | ··</a> |
| 233 | ··<span·class="text">Example·of·crypto_one_time/5</span> | 233 | ··<span·class="text">Example·of·crypto_one_time/5</span> |
| 234 | </h3> | 234 | </h3> |
| 235 | <p>The·same·example·as·in·the | 235 | <p>The·same·example·as·in·the |
| 236 | <a·href="new_api.html#examples-of-crypto_init-4-and-crypto_update-2">previous·section</a>, | 236 | <a·href="new_api.html#examples-of-crypto_init-4-and-crypto_update-2">previous·section</a>, |
| 237 | but·now·with·one·call·to·<a·href="crypto.html#crypto_one_time/5">crypto_one_time/5</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="n">Key</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 237 | but·now·with·one·call·to·<a·href="crypto.html#crypto_one_time/5">crypto_one_time/5</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="n">Key</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1895721926-1"><<</span><span·class="mi">1</span><span·class="p">:</span><span·class="mi">128</span><span·class="p"·data-group-id="1895721926-1">>></span><span·class="p">.</span><span·class="w"> |
| 238 | » </span><span·class="p"·data-group-id=" | 238 | » </span><span·class="p"·data-group-id="1895721926-2"><<</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·[·...·truncated·by·diffoscope;·len:·574,·SHA:·2a18bc259d6005cb57b1963e3c8dfb1891b696c41461987895e48d0e68e1ed91·...·]-2">>></span><span·class="w"> |
| 239 | » </span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="n">IV</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 239 | » </span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="n">IV</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1895721926-3"><<</span><span·class="mi">0</span><span·class="p">:</span><span·class="mi">128</span><span·class="p"·data-group-id="1895721926-3">>></span><span·class="p">.</span><span·class="w"> |
| 240 | » </span><span·class="p"·data-group-id=" | 240 | » </span><span·class="p"·data-group-id="1895721926-4"><<</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·[·...·truncated·by·diffoscope;·len:·574,·SHA:·f43dbba9a5d0a6dd7cdeedf6c11fff615bbee74fafd0cbb433eeba1ac3b15ec8·...·]-4">>></span><span·class="w"> |
| 241 | » </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="n">Txt</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 241 | » </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="n">Txt</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1895721926-5">[</span><span·class="p"·data-group-id="1895721926-6"><<</span><span·class="s">"First·bytes"</span><span·class="p"·data-group-id="1895721926-6">>></span><span·class="p">,</span><span·class="p"·data-group-id="1895721926-7"[·...·truncated·by·diffoscope;·len:·164,·SHA:·73a2ddcd07e276b966c477980277246bebcb4ff17cb3ec6f59d7153380950ece·...·]-5">]</span><span·class="p">.</span><span·class="w"> |
| 242 | » </span><span·class="p"·data-group-id=" | 242 | » </span><span·class="p"·data-group-id="1895721926-8">[</span><span·class="p"·data-group-id="1895721926-9"><<</span><span·class="s">"First·bytes"</span><span·class="p"·data-group-id="1895721926-9">>></span><span·class="p">,</span><span·class="p"·data-group-id="1895721926-10[·...·truncated·by·diffoscope;·len:·166,·SHA:·72f604339ea9daee0ee5a243f631bf73492b1eddbce005214764274c04b59efb·...·]-8">]</span><span·class="w"> |
| 243 | » </span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_one_time</span><span·class="p"·data-group-id=" | 243 | » </span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_one_time</span><span·class="p"·data-group-id="1895721926-11">(</span><span·class="ss">aes_128_ctr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IV</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·140,·SHA:·323af3a08555719c4ad248eee87928b12b16187a9c5dcc6b22ab622b51a46d7a·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 244 | » </span><span·class="p"·data-group-id=" | 244 | » </span><span·class="p"·data-group-id="1895721926-12"><<</span><span·class="mi">67</span><span·class="p">,</span><span·class="mi">44</span><span·class="p">,</span><span·class="mi">216</span><span·class="p">,</span><span·class="mi">166</span><span·class="p">,</span><span·class="mi">25</span><span·class="p">,</span><span·class="mi">130</span><span·class="p">,</span><span·class="mi">203</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">66</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">162</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">94</span><span·class="p">,</span><span·class="mi">115</span><span·class="p">,</span><span·class="mi">234</span><span·class="p">,</span><span·class="w"> |
| 245 | » </span><span·class="mi">197</span><span·class="p">,</span><span·class="mi">94</span><span·class="p">,</span><span·class="mi">253</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">144</span><span·class="p">,</span><span·class="mi">151</span><span·class="p">,</span><span·class="mi">41</span><span·class="p"·data-group-id=" | 245 | » </span><span·class="mi">197</span><span·class="p">,</span><span·class="mi">94</span><span·class="p">,</span><span·class="mi">253</span><span·class="p">,</span><span·class="mi">16</span><span·class="p">,</span><span·class="mi">144</span><span·class="p">,</span><span·class="mi">151</span><span·class="p">,</span><span·class="mi">41</span><span·class="p"·data-group-id="1895721926-12">>></span><span·class="w"> |
| 246 | » </span><span·class="mi">5</span><span·class="o">></span></code></pre><p>The·<code·class="inline">[<<"First·bytes">>,<<"Second·bytes">>]</code>·could·of·course·have·been·one | 246 | » </span><span·class="mi">5</span><span·class="o">></span></code></pre><p>The·<code·class="inline">[<<"First·bytes">>,<<"Second·bytes">>]</code>·could·of·course·have·been·one |
| 247 | single·binary:·<code·class="inline"><<"First·bytesSecond·bytes">></code>.</p><h3·id="example-of-crypto_one_time_aead-6"·class="section-heading"> | 247 | single·binary:·<code·class="inline"><<"First·bytesSecond·bytes">></code>.</p><h3·id="example-of-crypto_one_time_aead-6"·class="section-heading"> |
| 248 | ··<a·href="#example-of-crypto_one_time_aead-6"·class="hover-link"> | 248 | ··<a·href="#example-of-crypto_one_time_aead-6"·class="hover-link"> |
| 249 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 249 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 250 | ··</a> | 250 | ··</a> |
| 251 | ··<span·class="text">Example·of·crypto_one_time_aead/6</span> | 251 | ··<span·class="text">Example·of·crypto_one_time_aead/6</span> |
| 252 | </h3> | 252 | </h3> |
| 253 | <p>The·same·example·as·in·the | 253 | <p>The·same·example·as·in·the |
| 254 | <a·href="new_api.html#example-of-crypto_one_time-5">previous·section</a>,·but·now·with·one | 254 | <a·href="new_api.html#example-of-crypto_one_time-5">previous·section</a>,·but·now·with·one |
| 255 | call·to·<a·href="crypto.html#crypto_one_time_aead/6">crypto_one_time_aead/6</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="n">Key</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 255 | call·to·<a·href="crypto.html#crypto_one_time_aead/6">crypto_one_time_aead/6</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="n">Key</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9175370963-1"><<</span><span·class="mi">1</span><span·class="p">:</span><span·class="mi">128</span><span·class="p"·data-group-id="9175370963-1">>></span><span·class="p">.</span><span·class="w"> |
| 256 | » </span><span·class="p"·data-group-id=" | 256 | » </span><span·class="p"·data-group-id="9175370963-2"><<</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·[·...·truncated·by·diffoscope;·len:·574,·SHA:·851ba4be5b63c23000e2bf2875accddc45b91a69a2561afc891f8fdfc8f5cb4b·...·]-2">>></span><span·class="w"> |
| 257 | » </span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="n">IV</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 257 | » </span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="n">IV</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9175370963-3"><<</span><span·class="mi">0</span><span·class="p">:</span><span·class="mi">128</span><span·class="p"·data-group-id="9175370963-3">>></span><span·class="p">.</span><span·class="w"> |
| 258 | » </span><span·class="p"·data-group-id=" | 258 | » </span><span·class="p"·data-group-id="9175370963-4"><<</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·[·...·truncated·by·diffoscope;·len:·574,·SHA:·aa6b1fdf6eca7f3f9c3808b31f908a53070765db5bc427e77539885f9fe0bddd·...·]-4">>></span><span·class="w"> |
| 259 | » </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="n">Txt</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 259 | » </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="n">Txt</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9175370963-5">[</span><span·class="p"·data-group-id="9175370963-6"><<</span><span·class="s">"First·bytes"</span><span·class="p"·data-group-id="9175370963-6">>></span><span·class="p">,</span><span·class="p"·data-group-id="9175370963-7"[·...·truncated·by·diffoscope;·len:·164,·SHA:·3dcf8bb6411b757a9040cdb4013f3aec657331291b9517d11f2fd0237ca99cc7·...·]-5">]</span><span·class="p">.</span><span·class="w"> |
| 260 | » </span><span·class="p"·data-group-id=" | 260 | » </span><span·class="p"·data-group-id="9175370963-8">[</span><span·class="p"·data-group-id="9175370963-9"><<</span><span·class="s">"First·bytes"</span><span·class="p"·data-group-id="9175370963-9">>></span><span·class="p">,</span><span·class="p"·data-group-id="9175370963-10[·...·truncated·by·diffoscope;·len:·166,·SHA:·c117590198517832d15c7811b61db6cfea55904689885644a1827b5d91bb9d47·...·]-8">]</span><span·class="w"> |
| 261 | » </span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="n">AAD</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 261 | » </span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="n">AAD</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9175370963-11"><<</span><span·class="s">"Some·additional·auth·data"</span><span·class="p"·data-group-id="9175370963-11">>></span><span·class="p">.</span><span·class="w"> |
| 262 | » </span><span·class="p"·data-group-id=" | 262 | » </span><span·class="p"·data-group-id="9175370963-12"><<</span><span·class="s">"Some·additional·auth·data"</span><span·class="p"·data-group-id="9175370963-12">>></span><span·class="w"> |
| 263 | » </span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_one_time_aead</span><span·class="p"·data-group-id=" | 263 | » </span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">crypto_one_time_aead</span><span·class="p"·data-group-id="9175370963-13">(</span><span·class="ss">aes_128_gcm</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IV</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·214,·SHA:·120844ea5b708018f021ef4d0a873975c4c85fdfac10949c4a2f944371e0d555·...·]-13">)</span><span·class="p">.</span><span·class="w"> |
| 264 | » </span><span·class="p"·data-group-id=" | 264 | » </span><span·class="p"·data-group-id="9175370963-14">{</span><span·class="p"·data-group-id="9175370963-15"><<</span><span·class="mi">240</span><span·class="p">,</span><span·class="mi">130</span><span·class="p">,</span><span·class="mi">38</span><span·class="p">,</span><span·class="mi">96</span><span·class="p">,</span><span·class="mi">130</span><span·class="p">,</span><span·class="mi">241</span><span·class="p">,</span><span·class="mi">189</span><span·class="p">,</span><span·class="mi">52</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">190</span><span·class="p">,</span><span·class="mi">179</span><span·class="p">,</span><span·class="mi">213</span><span·class="p">,</span><span·class="mi">132</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">72</span><span·class="p">,</span><span·class="w"> |
| 265 | » </span><span·class="mi">192</span><span·class="p">,</span><span·class="mi">103</span><span·class="p">,</span><span·class="mi">176</span><span·class="p">,</span><span·class="mi">90</span><span·class="p">,</span><span·class="mi">104</span><span·class="p">,</span><span·class="mi">15</span><span·class="p">,</span><span·class="mi">71</span><span·class="p">,</span><span·class="mi">158</span><span·class="p"·data-group-id=" | 265 | » </span><span·class="mi">192</span><span·class="p">,</span><span·class="mi">103</span><span·class="p">,</span><span·class="mi">176</span><span·class="p">,</span><span·class="mi">90</span><span·class="p">,</span><span·class="mi">104</span><span·class="p">,</span><span·class="mi">15</span><span·class="p">,</span><span·class="mi">71</span><span·class="p">,</span><span·class="mi">158</span><span·class="p"·data-group-id="9175370963-15">>></span><span·class="p">,</span><span·class="w"> |
| 266 | » </span><span·class="p"·data-group-id=" | 266 | » </span><span·class="p"·data-group-id="9175370963-16"><<</span><span·class="mi">131</span><span·class="p">,</span><span·class="mi">47</span><span·class="p">,</span><span·class="mi">45</span><span·class="p">,</span><span·class="mi">91</span><span·class="p">,</span><span·class="mi">142</spa[·...·truncated·by·diffoscope;·len:·657,·SHA:·13d2af73279ec92f8169b651fbb05e192c6e554bfeb2983b3377d0a47f813777·...·]-14">}</span><span·class="w"> |
| 267 | » </span><span·class="mi">6</span><span·class="o">></span></code></pre><p>The·<code·class="inline">[<<"First·bytes">>,<<"Second·bytes">>]</code>·could·of·course·have·been·one | 267 | » </span><span·class="mi">6</span><span·class="o">></span></code></pre><p>The·<code·class="inline">[<<"First·bytes">>,<<"Second·bytes">>]</code>·could·of·course·have·been·one |
| 268 | single·binary:·<code·class="inline"><<"First·bytesSecond·bytes">></code>.</p><h3·id="example-of-mac_init-mac_update-and-mac_final"·class="section-heading"> | 268 | single·binary:·<code·class="inline"><<"First·bytesSecond·bytes">></code>.</p><h3·id="example-of-mac_init-mac_update-and-mac_final"·class="section-heading"> |
| 269 | ··<a·href="#example-of-mac_init-mac_update-and-mac_final"·class="hover-link"> | 269 | ··<a·href="#example-of-mac_init-mac_update-and-mac_final"·class="hover-link"> |
| 270 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 270 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 271 | ··</a> | 271 | ··</a> |
| 272 | ··<span·class="text">Example·of·mac_init·mac_update·and·mac_final</span> | 272 | ··<span·class="text">Example·of·mac_init·mac_update·and·mac_final</span> |
| 273 | </h3> | 273 | </h3> |
| 274 | <pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="n">Key</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5 | 274 | <pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="n">Key</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5019737293-1"><<</span><span·class="mi">1</span><span·class="p">:</span><span·class="mi">128</span><span·class="p"·data-group-id="5019737293-1">>></span><span·class="p">.</span><span·class="w"> |
| 275 | » </span><span·class="p"·data-group-id="5 | 275 | » </span><span·class="p"·data-group-id="5019737293-2"><<</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·c[·...·truncated·by·diffoscope;·len:·573,·SHA:·9023a4c673b7d673eb4500f7f766f49f1dcecf668289c58003816cfa657283c1·...·]-2">>></span><span·class="w"> |
| 276 | » </span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="n">StateMac</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_init</span><span·class="p"·data-group-id="5 | 276 | » </span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="n">StateMac</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_init</span><span·class="p"·data-group-id="5019737293-3">(</span><span·class="ss">cmac</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">aes_128_cbc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="5019737293-3">)</span><span·class="p">.</span><span·class="w"> |
| 277 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.2424664121</span><span·class="p">.</span><span·class="mf">2781478916.232610</span><span·class="o">></span><span·class="w"> | 277 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.2424664121</span><span·class="p">.</span><span·class="mf">2781478916.232610</span><span·class="o">></span><span·class="w"> |
| 278 | » </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_update</span><span·class="p"·data-group-id="5 | 278 | » </span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_update</span><span·class="p"·data-group-id="5019737293-4">(</span><span·class="n">StateMac</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5019737293-5"><<</span><span·class="s">"First·bytes"</span><span·class="p"·data-group-id="5019737293-5">>&[·...·truncated·by·diffoscope;·len:·51,·SHA:·5a31e7a8fc864a12c7cd8b8f92c8158a4416b3c145729da9f12b2b30f8c091fe·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 279 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.2424664121</span><span·class="p">.</span><span·class="mf">2781478916.232610</span><span·class="o">></span><span·class="w"> | 279 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.2424664121</span><span·class="p">.</span><span·class="mf">2781478916.232610</span><span·class="o">></span><span·class="w"> |
| 280 | » </span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_update</span><span·class="p"·data-group-id="5 | 280 | » </span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_update</span><span·class="p"·data-group-id="5019737293-6">(</span><span·class="n">StateMac</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"·"</span><span·class="p"·data-group-id="5019737293-6">)</span><span·class="p">.</span><span·class="w"> |
| 281 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.2424664121</span><span·class="p">.</span><span·class="mf">2781478916.232610</span><span·class="o">></span><span·class="w"> | 281 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.2424664121</span><span·class="p">.</span><span·class="mf">2781478916.232610</span><span·class="o">></span><span·class="w"> |
| 282 | » </span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_update</span><span·class="p"·data-group-id="5 | 282 | » </span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_update</span><span·class="p"·data-group-id="5019737293-7">(</span><span·class="n">StateMac</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5019737293-8"><<</span><span·class="s">"last·bytes"</span><span·class="p"·data-group-id="5019737293-8">>&g[·...·truncated·by·diffoscope;·len:·50,·SHA:·d7eefcef35a985fcbb1ef727cc3d7f268abc02d374647eb2120ec8f183298109·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 283 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.2424664121</span><span·class="p">.</span><span·class="mf">2781478916.232610</span><span·class="o">></span><span·class="w"> | 283 | » </span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.2424664121</span><span·class="p">.</span><span·class="mf">2781478916.232610</span><span·class="o">></span><span·class="w"> |
| 284 | » </span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_final</span><span·class="p"·data-group-id="5 | 284 | » </span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac_final</span><span·class="p"·data-group-id="5019737293-9">(</span><span·class="n">StateMac</span><span·class="p"·data-group-id="5019737293-9">)</span><span·class="p">.</span><span·class="w"> |
| 285 | » </span><span·class="p"·data-group-id="5 | 285 | » </span><span·class="p"·data-group-id="5019737293-10"><<</span><span·class="mi">68</span><span·class="p">,</span><span·class="mi">191</span><span·class="p">,</span><span·class="mi">219</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">84</span><span·class="p">,</span><span·class="mi">77</span><span·class="p">,</span><span·class="mi">11</span><span·class="p">,</span><span·class="mi">193</span><span·class="p">,</span><span·class="mi">197</span><span·class="p">,</span><span·class="mi">238</span><span·class="p">,</span><span·class="mi">107</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">214</span><span·class="p">,</span><span·class="mi">141</span><span·class="p">,</span><span·class="mi">160</span><span·class="p">,</span><span·class="w"> |
| 286 | » </span><span·class="mi">249</span><span·class="p"·data-group-id="5 | 286 | » </span><span·class="mi">249</span><span·class="p"·data-group-id="5019737293-10">>></span><span·class="w"> |
| 287 | » </span><span·class="mi">7</span><span·class="o">></span></code></pre><p>and·compare·the·result·with·a·single·calculation·just·for·this·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">7</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac</span><span·class="p"·data-group-id=" | 287 | » </span><span·class="mi">7</span><span·class="o">></span></code></pre><p>and·compare·the·result·with·a·single·calculation·just·for·this·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» </span><span·class="mi">7</span><span·class="o">></span><span·class="w">·</span><span·class="nc">crypto</span><span·class="p">:</span><span·class="nf">mac</span><span·class="p"·data-group-id="8324742626-1">(</span><span·class="ss">cmac</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">aes_128_cbc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·97,·SHA:·bcf8f65c0e1d14d8d082b8c2c8bc78153bbeb90901138aadaabcf1cd0a3c2e29·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 288 | » </span><span·class="p"·data-group-id=" | 288 | » </span><span·class="p"·data-group-id="8324742626-2"><<</span><span·class="mi">68</span><span·class="p">,</span><span·class="mi">191</span><span·class="p">,</span><span·class="mi">219</span><span·class="p">,</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">84</span><span·class="p">,</span><span·class="mi">77</span><span·class="p">,</span><span·class="mi">11</span><span·class="p">,</span><span·class="mi">193</span><span·class="p">,</span><span·class="mi">197</span><span·class="p">,</span><span·class="mi">238</span><span·class="p">,</span><span·class="mi">107</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">214</span><span·class="p">,</span><span·class="mi">141</span><span·class="p">,</span><span·class="mi">160</span><span·class="p">,</span><span·class="w"> |
| 289 | » </span><span·class="mi">249</span><span·class="p"·data-group-id=" | 289 | » </span><span·class="mi">249</span><span·class="p"·data-group-id="8324742626-2">>></span><span·class="w"> |
| 290 | » </span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nf">v</span><span·class="p"·data-group-id=" | 290 | » </span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nf">v</span><span·class="p"·data-group-id="8324742626-3">(</span><span·class="mi">7</span><span·class="p"·data-group-id="8324742626-3">)</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="nf">v</span><span·class="p"·data-group-id="8324742626-4">(</span><span[·...·truncated·by·diffoscope;·len:·61,·SHA:·7d0a71238e78b2ff94ab3920d39af4ac9fdb93779d1c3ccf38a8c82954e5e779·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 291 | » </span><span·class="ss">true</span><span·class="w"> | 291 | » </span><span·class="ss">true</span><span·class="w"> |
| 292 | » </span><span·class="mi">9</span><span·class="o">></span></code></pre><h2·id="retired-cipher-names"·class="section-heading"> | 292 | » </span><span·class="mi">9</span><span·class="o">></span></code></pre><h2·id="retired-cipher-names"·class="section-heading"> |
| 293 | ··<a·href="#retired-cipher-names"·class="hover-link"> | 293 | ··<a·href="#retired-cipher-names"·class="hover-link"> |
| 294 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 294 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 295 | ··</a> | 295 | ··</a> |
| 296 | ··<span·class="text">Retired·cipher·names</span> | 296 | ··<span·class="text">Retired·cipher·names</span> |
| 297 | </h2> | 297 | </h2> |
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| 341 | ······<p·class="built-using"> | 341 | ······<p·class="built-using"> |
| 342 | ········Built·using | 342 | ········Built·using |
| 343 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 343 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 344 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 344 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 345 | ······</p> | 345 | ······</p> |
| 346 | <p>Copyright·©·1996-202 | 346 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 347 | ····</footer> | 347 | ····</footer> |
| 348 | ··</div> | 348 | ··</div> |
| 349 | </main> | 349 | </main> |
| 350 | </div> | 350 | </div> |
| 351 | <script> | 351 | <script> |
| 352 | ··function·mermaidLoaded()·{ | 352 | ··function·mermaidLoaded()·{ |
| 353 | ····mermaid.initialize({ | 353 | ····mermaid.initialize({ |
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| 2230 | ······<p·class="built-using"> | 2230 | ······<p·class="built-using"> |
| 2231 | ········Built·using | 2231 | ········Built·using |
| 2232 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2232 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2233 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2233 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2234 | ······</p> | 2234 | ······</p> |
| 2235 | <p>Copyright·©·1996-202 | 2235 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2236 | ····</footer> | 2236 | ····</footer> |
| 2237 | ··</div> | 2237 | ··</div> |
| 2238 | </main> | 2238 | </main> |
| 2239 | </div> | 2239 | </div> |
| 2240 | <script> | 2240 | <script> |
| 2241 | ··function·mermaidLoaded()·{ | 2241 | ··function·mermaidLoaded()·{ |
| 2242 | ····mermaid.initialize({ | 2242 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 199, 15 lines modified | Offset 199, 15 lines modified | ||
| 199 | ······<p·class="built-using"> | 199 | ······<p·class="built-using"> |
| 200 | ········Built·using | 200 | ········Built·using |
| 201 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 201 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 202 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 202 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 203 | ······</p> | 203 | ······</p> |
| 204 | <p>Copyright·©·1996-202 | 204 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 205 | ····</footer> | 205 | ····</footer> |
| 206 | ··</div> | 206 | ··</div> |
| 207 | </main> | 207 | </main> |
| 208 | </div> | 208 | </div> |
| 209 | <script> | 209 | <script> |
| 210 | ··function·mermaidLoaded()·{ | 210 | ··function·mermaidLoaded()·{ |
| 211 | ····mermaid.initialize({ | 211 | ····mermaid.initialize({ |
| Offset 335, 15 lines modified | Offset 335, 15 lines modified | ||
| 335 | ······<p·class="built-using"> | 335 | ······<p·class="built-using"> |
| 336 | ········Built·using | 336 | ········Built·using |
| 337 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 337 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 338 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 338 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 339 | ······</p> | 339 | ······</p> |
| 340 | <p>Copyright·©·1996-202 | 340 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 341 | ····</footer> | 341 | ····</footer> |
| 342 | ··</div> | 342 | ··</div> |
| 343 | </main> | 343 | </main> |
| 344 | </div> | 344 | </div> |
| 345 | <script> | 345 | <script> |
| 346 | ··function·mermaidLoaded()·{ | 346 | ··function·mermaidLoaded()·{ |
| 347 | ····mermaid.initialize({ | 347 | ····mermaid.initialize({ |
| Offset 160, 20 lines modified | Offset 160, 20 lines modified | ||
| 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 161 | ··</a> | 161 | ··</a> |
| 162 | ··<span·class="text">Executable·Lines</span> | 162 | ··<span·class="text">Executable·Lines</span> |
| 163 | </h3> | 163 | </h3> |
| 164 | <p>To·have·an·effect,·a·breakpoint·must·be·set·at·an·<em>executable·line</em>,·which·is·a | 164 | <p>To·have·an·effect,·a·breakpoint·must·be·set·at·an·<em>executable·line</em>,·which·is·a |
| 165 | line·of·code·containing·an·executable·expression·such·as·a·matching·or·a | 165 | line·of·code·containing·an·executable·expression·such·as·a·matching·or·a |
| 166 | function·call.·A·blank·line·or·a·line·containing·a·comment,·function·head,·or | 166 | function·call.·A·blank·line·or·a·line·containing·a·comment,·function·head,·or |
| 167 | pattern·in·a·<code·class="inline">case</code>·statement·or·<code·class="inline">receive</code>·statement·is·not·executable.</p><p>In·the·following·example,·lines·2,·4,·6,·8,·and·11·are·executable·lines:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="mi">1</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">is_loaded</span><span·class="p"·data-group-id=" | 167 | pattern·in·a·<code·class="inline">case</code>·statement·or·<code·class="inline">receive</code>·statement·is·not·executable.</p><p>In·the·following·example,·lines·2,·4,·6,·8,·and·11·are·executable·lines:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="mi">1</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">is_loaded</span><span·class="p"·data-group-id="8448762958-1">(</span><span·class="n">Module</span><span·class="p">,</span><span·class="n">Compiled</span><span·class="p"·data-group-id="8448762958-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 168 | </span><span·class="mi">2</span><span·class="p">:</span><span·class="w">···</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">get_file</span><span·class="p"·data-group-id=" | 168 | </span><span·class="mi">2</span><span·class="p">:</span><span·class="w">···</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">get_file</span><span·class="p"·data-group-id="8448762958-2">(</span><span·class="n">Module</span><span·class="p">,</span><span·class="n">Compiled</span><span·class="p"·data-group-id="8448762958-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 169 | </span><span·class="mi">3</span><span·class="p">:</span><span·class="w">·····</span><span·class="p"·data-group-id=" | 169 | </span><span·class="mi">3</span><span·class="p">:</span><span·class="w">·····</span><span·class="p"·data-group-id="8448762958-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">File</span><span·class="p"·data-group-id="8448762958-3">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 170 | </span><span·class="mi">4</span><span·class="p">:</span><span·class="w">·······</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">which</span><span·class="p"·data-group-id=" | 170 | </span><span·class="mi">4</span><span·class="p">:</span><span·class="w">·······</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">which</span><span·class="p"·data-group-id="8448762958-4">(</span><span·class="n">Module</span><span·class="p"·data-group-id="8448762958-4">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 171 | </span><span·class="mi">5</span><span·class="p">:</span><span·class="w">·········</span><span·class="o">?</span><span·class="n">TAG</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 171 | </span><span·class="mi">5</span><span·class="p">:</span><span·class="w">·········</span><span·class="o">?</span><span·class="n">TAG</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 172 | </span><span·class="mi">6</span><span·class="p">:</span><span·class="w">···········</span><span·class="p"·data-group-id=" | 172 | </span><span·class="mi">6</span><span·class="p">:</span><span·class="w">···········</span><span·class="p"·data-group-id="8448762958-5">{</span><span·class="ss">loaded</span><span·class="p">,</span><span·class="n">File</span><span·class="p"·data-group-id="8448762958-5">}</span><span·class="p">;</span><span·class="w"> |
| 173 | </span><span·class="mi">7</span><span·class="p">:</span><span·class="w">·········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 173 | </span><span·class="mi">7</span><span·class="p">:</span><span·class="w">·········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | </span><span·class="mi">8</span><span·class="p">:</span><span·class="w">···········</span><span·class="ss">unloaded</span><span·class="w"> | 174 | </span><span·class="mi">8</span><span·class="p">:</span><span·class="w">···········</span><span·class="ss">unloaded</span><span·class="w"> |
| 175 | </span><span·class="mi">9</span><span·class="p">:</span><span·class="w">·······</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 175 | </span><span·class="mi">9</span><span·class="p">:</span><span·class="w">·······</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 176 | </span><span·class="mi">10</span><span·class="p">:</span><span·class="w">····</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 176 | </span><span·class="mi">10</span><span·class="p">:</span><span·class="w">····</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | </span><span·class="mi">11</span><span·class="p">:</span><span·class="w">······</span><span·class="ss">false</span><span·class="w"> | 177 | </span><span·class="mi">11</span><span·class="p">:</span><span·class="w">······</span><span·class="ss">false</span><span·class="w"> |
| 178 | </span><span·class="mi">12</span><span·class="p">:</span><span·class="w">··</span><span·class="k">end</span><span·class="p">.</span></code></pre><h3·id="status-and-trigger-action"·class="section-heading"> | 178 | </span><span·class="mi">12</span><span·class="p">:</span><span·class="w">··</span><span·class="k">end</span><span·class="p">.</span></code></pre><h3·id="status-and-trigger-action"·class="section-heading"> |
| 179 | ··<a·href="#status-and-trigger-action"·class="hover-link"> | 179 | ··<a·href="#status-and-trigger-action"·class="hover-link"> |
| Offset 204, 21 lines modified | Offset 204, 21 lines modified | ||
| 204 | returns·<code·class="inline">true</code>,·the·process·stops.·If·the·function·call·returns·<code·class="inline">false</code>,·the | 204 | returns·<code·class="inline">true</code>,·the·process·stops.·If·the·function·call·returns·<code·class="inline">false</code>,·the |
| 205 | breakpoint·is·silently·ignored.</p><p><code·class="inline">Bindings</code>·is·a·list·of·variable·bindings.·To·retrieve·the·value·of·<code·class="inline">Variable</code> | 205 | breakpoint·is·silently·ignored.</p><p><code·class="inline">Bindings</code>·is·a·list·of·variable·bindings.·To·retrieve·the·value·of·<code·class="inline">Variable</code> |
| 206 | (given·as·an·atom),·use·function | 206 | (given·as·an·atom),·use·function |
| 207 | <a·href="int.html#get_binding/2"><code·class="inline">int:get_binding(Variable,·Bindings)</code></a>.·The·function | 207 | <a·href="int.html#get_binding/2"><code·class="inline">int:get_binding(Variable,·Bindings)</code></a>.·The·function |
| 208 | returns·<code·class="inline">unbound</code>·or·<code·class="inline">{value,Value}</code>.</p><p><img·src="assets/cond_break_dialog.jpg"·alt="Conditional·Break·Dialog·Window"·title="Conditional·Break·Dialog·Window"/></p><p>Right-click·the·<em>Module</em>·entry·to·open·a·popup·menu·from·which·the·appropriate | 208 | returns·<code·class="inline">unbound</code>·or·<code·class="inline">{value,Value}</code>.</p><p><img·src="assets/cond_break_dialog.jpg"·alt="Conditional·Break·Dialog·Window"·title="Conditional·Break·Dialog·Window"/></p><p>Right-click·the·<em>Module</em>·entry·to·open·a·popup·menu·from·which·the·appropriate |
| 209 | module·can·be·selected.</p><p><em>Example:</em></p><p>A·conditional·breakpoint·calling·<code·class="inline">c_test:c_break/1</code>·is·added·at·line·6·in·module | 209 | module·can·be·selected.</p><p><em>Example:</em></p><p>A·conditional·breakpoint·calling·<code·class="inline">c_test:c_break/1</code>·is·added·at·line·6·in·module |
| 210 | <code·class="inline">fact</code>.·Each·time·the·breakpoint·is·reached,·the·function·is·called.·When·<code·class="inline">N</code>·is | 210 | <code·class="inline">fact</code>.·Each·time·the·breakpoint·is·reached,·the·function·is·called.·When·<code·class="inline">N</code>·is |
| 211 | equal·to·3,·the·function·returns·<code·class="inline">true</code>·and·the·process·stops.</p><p>Extract·from·<code·class="inline">fact.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="mi">5</span><span·class="p">.</span><span·class="w">·</span><span·class="nf">fac</span><span·class="p"·data-group-id=" | 211 | equal·to·3,·the·function·returns·<code·class="inline">true</code>·and·the·process·stops.</p><p>Extract·from·<code·class="inline">fact.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="mi">5</span><span·class="p">.</span><span·class="w">·</span><span·class="nf">fac</span><span·class="p"·data-group-id="3902893770-1">(</span><span·class="mi">0</span><span·class="p"·data-group-id="3902893770-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">1</span><span·class="p">;</span><span·class="w"> |
| 212 | </span><span·class="mi">6</span><span·class="p">.</span><span·class="w">·</span><span·class="nf">fac</span><span·class="p"·data-group-id="1609190924-2">(</span><span·class="n">N</span><span·class="p"·data-group-id="1609190924-2">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id="1609190924-3">(</span><span·class="n">N</span><span·class="p"·data-group-id="1609190924-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nf">fac</span><span·class="p"·data-group-id="1609190924-4">(</span><span·class="n">N</span><span·class="o">-</span><span·class="mi">1</span><span·class="p"·data-group-id="1609190924-4">)</span><span·class="p">.</span></code></pre><p>Definition·of·<code·class="inline">c_test:c_break/1</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="5103529832-1">(</span><span·class="ss">c_test</span><span·class="p"·data-group-id="5103529832-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 213 | </span><span·class=" | 212 | </span><span·class="mi">6</span><span·class="p">.</span><span·class="w">·</span><span·class="nf">fac</span><span·class="p"·data-group-id="3902893770-2">(</span><span·class="n">N</span><span·class="p"·data-group-id="3902893770-2">)</span><span·class="w">·</span><span·class="k"[·...·truncated·by·diffoscope;·len:·1081,·SHA:·f08283a57087a501d932ba557ce6b00fa6f5e8be66ad53a32a03c4a7e2fd0252·...·]">)</span><span·class="p">.</span><span·class="w"> |
| 213 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7652160812-2">(</span><span·class="p"·data-group-id="7652160812-3">[</span><span·class="ss">c_break</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="7652160812-3">]</span><span·class="p"·data-group-id="7652160812-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 214 | </span><span·class="nf">c_break</span><span·class="p"·data-group-id=" | 214 | </span><span·class="nf">c_break</span><span·class="p"·data-group-id="7652160812-4">(</span><span·class="n">Bindings</span><span·class="p"·data-group-id="7652160812-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 215 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">int</span><span·class="p">:</span><span·class="nf">get_binding</span><span·class="p"·data-group-id=" | 215 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">int</span><span·class="p">:</span><span·class="nf">get_binding</span><span·class="p"·data-group-id="7652160812-5">(</span><span·class="ss">'N'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bindings</span><span·class="p"·data-group-id="7652160812-5">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 216 | ········</span><span·class="p"·data-group-id=" | 216 | ········</span><span·class="p"·data-group-id="7652160812-6">{</span><span·class="ss">value</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">3</span><span·class="p"·data-group-id="7652160812-6">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 217 | ············</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 217 | ············</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 218 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 218 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 219 | ············</span><span·class="ss">false</span><span·class="w"> | 219 | ············</span><span·class="ss">false</span><span·class="w"> |
| 220 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><h3·id="function-breakpoints"·class="section-heading"> | 220 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><h3·id="function-breakpoints"·class="section-heading"> |
| 221 | ··<a·href="#function-breakpoints"·class="hover-link"> | 221 | ··<a·href="#function-breakpoints"·class="hover-link"> |
| 222 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 222 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 223 | ··</a> | 223 | ··</a> |
| Offset 231, 20 lines modified | Offset 231, 20 lines modified | ||
| 231 | ··<a·href="#stack-trace"·class="hover-link"> | 231 | ··<a·href="#stack-trace"·class="hover-link"> |
| 232 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 232 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 233 | ··</a> | 233 | ··</a> |
| 234 | ··<span·class="text">Stack·Trace</span> | 234 | ··<span·class="text">Stack·Trace</span> |
| 235 | </h2> | 235 | </h2> |
| 236 | <p>The·Erlang·emulator·keeps·track·of·a·<em>stack·trace</em>,·information·about·recent | 236 | <p>The·Erlang·emulator·keeps·track·of·a·<em>stack·trace</em>,·information·about·recent |
| 237 | function·calls.·This·information·is·used·if·an·error·occurs,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="k">catch</span><span·class="w">·</span><span·class="ss">a</span><span·class="o">+</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> | 237 | function·calls.·This·information·is·used·if·an·error·occurs,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="k">catch</span><span·class="w">·</span><span·class="ss">a</span><span·class="o">+</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> |
| 238 | </span><span·class="p"·data-group-id=" | 238 | </span><span·class="p"·data-group-id="6284900721-1">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-2">{</span><span·class="ss">badarith</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-3">[</span><span·clas[·...·truncated·by·diffoscope;·len:·507,·SHA:·5802c985e05887e7425b8eba7600b6f0b4f50ac4c94616833145428f52089359·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 239 | ···················</span><span·class="p"·data-group-id="3531181262-7">{</span><span·class="ss">erl_eval</span><span·class="p">,</span><span·class="ss">do_apply</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="p"·data-group-id="3531181262-8">[</span><span·class="p"·data-group-id="3531181262-9">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="s">"erl_eval.erl"</span><span·class="p"·data-group-id="3531181262-9">}</span><span·class="p">,</span><span·class="p"·data-group-id="3531181262-10">{</span><span·class="ss">line</span><span·class="p">,</span><span·class="mi">573</span><span·class="p"·data-group-id="3531181262-10">}</span><span·class="p"·data-group-id="3531181262-8">]</span><span·class="p"·data-group-id="3531181262-7">}</span><span·class="p">,</span><span·class="w"> | ||
| 240 | ···················</span><span·class="p"·data-group-id="3531181262-11">{</span><span·class="ss">erl_eval</span><span·class="p">,</span><span·class="ss">expr</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="p"·data-group-id="3531181262-12">[</span><span·class="p"·data-group-id="3531181262-13">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="s">"erl_eval.erl"</span><span·class="p"·data-group-id="3531181262-13">}</span><span·class="p">,</span><span·class="p"·data-group-id="3531181262-14">{</span><span·class="ss">line</span><span·class="p">,</span><span·class="mi">357</span><span·class="p"·data-group-id="3531181262-14">}</span><span·class="p"·data-group-id="3531181262-12">]</span><span·class="p"·data-group-id="3531181262-11">}</span><span·class="p">,</span><span·class="w"> | ||
| 241 | ···················</span><span·class="p"·data-group-id="3531181262-15">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">exprs</span><span·class="p">,</span><span·class="mi">7</span><span·class="p">,</span><span·class="p"·data-group-id="3531181262-16">[</span><span·class="p"·data-group-id="3531181262-17">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="s">"shell.erl"</span><span·class="p"·data-group-id="3531181262-17">}</span><span·class="p">,</span><span·class="p"·data-group-id="3531181262-18">{</span><span·class="ss">line</span><span·class="p">,</span><span·class="mi">674</span><span·class="p"·data-group-id="3531181262-18">}</span><span·class="p"·data-group-id="3531181262-16">]</span><span·class="p"·data-group-id="3531181262-15">}</span><span·class="p">,</span><span·class="w"> | ||
| 242 | ···················</span><span·class="p"·data-group-id="3531181262-19">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">eval_exprs</span><span·class="p">,</span><span·class="mi">7</span><span·class="p">,</span><span·class="p"·data-group-id="3531181262-20">[</span><span·class="p"·data-group-id="3531181262-21">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="s">"shell.erl"</span><span·class="p"·data-group-id="3531181262-21">}</span><span·class="p">,</span><span·class="p"·data-group-id="3531181262-22">{</span><span·class="ss">line</span><span·class="p">,</span><span·class="mi">629</span><span·class="p"·data-group-id="3531181262-22">}</span><span·class="p"·data-group-id="3531181262-20">]</span><span·class="p"·data-group-id="3531181262-19">}</span><span·class="p">,</span><span·class="w"> | ||
| 243 | ···················</span><span·class="p"·data-group-id=" | 239 | ···················</span><span·class="p"·data-group-id="6284900721-7">{</span><span·class="ss">erl_eval</span><span·class="p">,</span><span·class="ss">do_apply</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-8">[</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·542,·SHA:·6b0a7eebc3aa7b2144baaeaefc08ac0240e8b5706b8155075afcd1e16368e5b9·...·] |
| 240 | ···················</span><span·class="p"·data-group-id="6284900721-11">{</span><span·class="ss">erl_eval</span><span·class="p">,</span><span·class="ss">expr</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-12">[</span><span·class="p"·data-group-id="6284900721-13">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="s">"erl_eval.erl"</span><span·class="p"·data-group-id="6284900721-13">}</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-14">{</span><span·class="ss">line</span><span·class="p">,</span><span·class="mi">357</span><span·class="p"·data-group-id="6284900721-14">}</span><span·class="p"·data-group-id="6284900721-12">]</span><span·class="p"·data-group-id="6284900721-11">}</span><span·class="p">,</span><span·class="w"> | ||
| 241 | ···················</span><span·class="p"·data-group-id="6284900721-15">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">exprs</span><span·class="p">,</span><span·class="mi">7</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-16">[</span><span·class="p"·data-group-id="6284900721-17">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="s">"shell.erl"</span><span·class="p"·data-group-id="6284900721-17">}</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-18">{</span><span·class="ss">line</span><span·class="p">,</span><span·class="mi">674</span><span·class="p"·data-group-id="6284900721-18">}</span><span·class="p"·data-group-id="6284900721-16">]</span><span·class="p"·data-group-id="6284900721-15">}</span><span·class="p">,</span><span·class="w"> | ||
| 242 | ···················</span><span·class="p"·data-group-id="6284900721-19">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">eval_exprs</span><span·class="p">,</span><span·class="mi">7</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-20">[</span><span·class="p"·data-group-id="6284900721-21">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="s">"shell.erl"</span><span·class="p"·data-group-id="6284900721-21">}</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-22">{</span><span·class="ss">line</span><span·class="p">,</span><span·class="mi">629</span><span·class="p"·data-group-id="6284900721-22">}</span><span·class="p"·data-group-id="6284900721-20">]</span><span·class="p"·data-group-id="6284900721-19">}</span><span·class="p">,</span><span·class="w"> | ||
| 243 | ···················</span><span·class="p"·data-group-id="6284900721-23">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">eval_loop</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-24">[</span><span·class="p"·data-group-id="6284900721-25">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="s">"shell.erl"</span><span·class="p"·data-group-id="6284900721-25">}</span><span·class="p">,</span><span·class="p"·data-group-id="6284900721-26">{</span><span·class="ss">line</span><span·class="p">,</span><span·class="mi">614</span><span·class="p"·data-group-id="6284900721-26">}</span><span·class="p"·data-group-id="6284900721-24">]</span><span·class="p"·data-group-id="6284900721-23">}</span><span·class="p"·data-group-id="6284900721-3">]</span><span·class="p"·data-group-id="6284900721-2">}</span><span·class="p"·data-group-id="6284900721-1">}</span></code></pre><p>For·details·about·the·stack·trace,·see·section | ||
| 244 | <a·href="../../../../doc/system/errors.html">Errors·and·Error·Handling</a>·in·the·Erlang·Reference | 244 | <a·href="../../../../doc/system/errors.html">Errors·and·Error·Handling</a>·in·the·Erlang·Reference |
| 245 | Manual.</p><p>Debugger·emulates·the·stack·trace·by·keeping·track·of·recently·called | 245 | Manual.</p><p>Debugger·emulates·the·stack·trace·by·keeping·track·of·recently·called |
| 246 | interpreted·functions.·(The·real·stack·trace·cannot·be·used,·as·it·shows·which | 246 | interpreted·functions.·(The·real·stack·trace·cannot·be·used,·as·it·shows·which |
| 247 | functions·of·Debugger·have·been·called,·rather·than·which·interpreted | 247 | functions·of·Debugger·have·been·called,·rather·than·which·interpreted |
| 248 | functions.)</p><p>This·information·can·be·used·to·traverse·the·chain·of·function·calls,·using·the | 248 | functions.)</p><p>This·information·can·be·used·to·traverse·the·chain·of·function·calls,·using·the |
| 249 | <em>Up</em>·and·<em>Down</em>·buttons·in·the | 249 | <em>Up</em>·and·<em>Down</em>·buttons·in·the |
| 250 | <a·href="debugger_chapter.html#attach">Attach·Process·window</a>.</p><p>By·default,·Debugger·only·saves·information·about·recursive·function·calls,·that | 250 | <a·href="debugger_chapter.html#attach">Attach·Process·window</a>.</p><p>By·default,·Debugger·only·saves·information·about·recursive·function·calls,·that |
| Offset 543, 15 lines modified | Offset 543, 15 lines modified | ||
| 543 | ······<p·class="built-using"> | 543 | ······<p·class="built-using"> |
| 544 | ········Built·using | 544 | ········Built·using |
| 545 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 545 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 546 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 546 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 547 | ······</p> | 547 | ······</p> |
| 548 | <p>Copyright·©·1996-202 | 548 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 549 | ····</footer> | 549 | ····</footer> |
| 550 | ··</div> | 550 | ··</div> |
| 551 | </main> | 551 | </main> |
| 552 | </div> | 552 | </div> |
| 553 | <script> | 553 | <script> |
| 554 | ··function·mermaidLoaded()·{ | 554 | ··function·mermaidLoaded()·{ |
| 555 | ····mermaid.initialize({ | 555 | ····mermaid.initialize({ |
| Offset 130, 17 lines modified | Offset 130, 17 lines modified | ||
| 130 | ····<section·id="moduledoc"> | 130 | ····<section·id="moduledoc"> |
| 131 | <p>Debugger/Interpreter·Interface.</p><p>The·<code·class="inline">i</code>·module·provides·short·forms·for·some·of·the·functions·used·by·the | 131 | <p>Debugger/Interpreter·Interface.</p><p>The·<code·class="inline">i</code>·module·provides·short·forms·for·some·of·the·functions·used·by·the |
| 132 | graphical·Debugger·and·some·of·the·functions·in·module·<a·href="int.html"><code·class="inline">int</code></a>,·the·Erlang | 132 | graphical·Debugger·and·some·of·the·functions·in·module·<a·href="int.html"><code·class="inline">int</code></a>,·the·Erlang |
| 133 | interpreter.</p><p>This·module·also·provides·facilities·for·displaying·status·information·about | 133 | interpreter.</p><p>This·module·also·provides·facilities·for·displaying·status·information·about |
| 134 | interpreted·processes·and·break·points.</p><p>It·is·possible·to·attach·to·interpreted·processes·by·only·giving·the·corresponding | 134 | interpreted·processes·and·break·points.</p><p>It·is·possible·to·attach·to·interpreted·processes·by·only·giving·the·corresponding |
| 135 | process·identity.·By·default,·an·attachment·window·is·displayed.·Processes | 135 | process·identity.·By·default,·an·attachment·window·is·displayed.·Processes |
| 136 | at·other·Erlang·nodes·can·be·attached·manually·or·automatically.</p><p>The·functions·in·this·module·are·defined·in·the·Erlang·shell.·That·is, | 136 | at·other·Erlang·nodes·can·be·attached·manually·or·automatically.</p><p>The·functions·in·this·module·are·defined·in·the·Erlang·shell.·That·is, |
| 137 | they·can·be·called·without·the·<code·class="inline">i:</code>·prefix.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">ii</span><span·class="p"·data-group-id=" | 137 | they·can·be·called·without·the·<code·class="inline">i:</code>·prefix.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">ii</span><span·class="p"·data-group-id="3968307962-1">(</span><span·class="ss">t</span><span·class="p"·data-group-id="3968307962-1">)</span><span·class="p">.</span><span·class="w"> |
| 138 | </span><span·class="p"·data-group-id=" | 138 | </span><span·class="p"·data-group-id="3968307962-2">{</span><span·class="ss">module</span><span·class="p">,</span><span·class="ss">t</span><span·class="p"·data-group-id="3968307962-2">}</span><span·class="gp·unselectable"> |
| 139 | 2>·</span><span·class="nf">iaa</span><span·class="p"·data-group-id=" | 139 | 2>·</span><span·class="nf">iaa</span><span·class="p"·data-group-id="3968307962-3">(</span><span·class="p"·data-group-id="3968307962-4">[</span><span·class="ss">init</span><span·class="p"·data-group-id="3968307962-4">]</span><span·class="p"·data-group-id="3968307962-3">)</span><span·class="p">.</span><span·class="w"> |
| 140 | </span><span·class="ss">true</span></code></pre> | 140 | </span><span·class="ss">true</span></code></pre> |
| 141 | ····</section> | 141 | ····</section> |
| 142 | </div> | 142 | </div> |
| 143 | ··<section·id="summary"·class="details-list"> | 143 | ··<section·id="summary"·class="details-list"> |
| 144 | ····<h1·class="section-heading"> | 144 | ····<h1·class="section-heading"> |
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| 1288 | ······<p·class="built-using"> | 1288 | ······<p·class="built-using"> |
| 1289 | ········Built·using | 1289 | ········Built·using |
| 1290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1292 | ······</p> | 1292 | ······</p> |
| 1293 | <p>Copyright·©·1996-202 | 1293 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1294 | ····</footer> | 1294 | ····</footer> |
| 1295 | ··</div> | 1295 | ··</div> |
| 1296 | </main> | 1296 | </main> |
| 1297 | </div> | 1297 | </div> |
| 1298 | <script> | 1298 | <script> |
| 1299 | ··function·mermaidLoaded()·{ | 1299 | ··function·mermaidLoaded()·{ |
| 1300 | ····mermaid.initialize({ | 1300 | ····mermaid.initialize({ |
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| 670 | ·························Args·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()].</pre> | 670 | ·························Args·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()].</pre> |
| 671 | ······</div> | 671 | ······</div> |
| 672 | <p>Sets·when·and·how·to·attach·automatically·to·a·process·executing·code | 672 | <p>Sets·when·and·how·to·attach·automatically·to·a·process·executing·code |
| 673 | in·interpreted·modules.</p><p>By·default·when·the·interpreter·is·started,·automatic·attach·is·disabled.</p><p>If·<code·class="inline">Flags</code>·is·an·empty·list,·automatic·attach·is·disabled.</p><p>Otherwise·<code·class="inline">Flags</code>·should·be·a·list·containing··at·least·one·of·the·following | 673 | in·interpreted·modules.</p><p>By·default·when·the·interpreter·is·started,·automatic·attach·is·disabled.</p><p>If·<code·class="inline">Flags</code>·is·an·empty·list,·automatic·attach·is·disabled.</p><p>Otherwise·<code·class="inline">Flags</code>·should·be·a·list·containing··at·least·one·of·the·following |
| 674 | flags:</p><ul><li><code·class="inline">init</code>·-·Attach·when·a·process·for·the·first·time·calls·an·interpreted | 674 | flags:</p><ul><li><code·class="inline">init</code>·-·Attach·when·a·process·for·the·first·time·calls·an·interpreted |
| 675 | function.</li><li><code·class="inline">break</code>·-·Attach·whenever·a·process·reaches·a·breakpoint.</li><li><code·class="inline">exit</code>·-·Attach·when·a·process·terminates.</li></ul><p>When·the·specified·event·occurs,·the·function·<code·class="inline">Function</code>·is·called·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 675 | function.</li><li><code·class="inline">break</code>·-·Attach·whenever·a·process·reaches·a·breakpoint.</li><li><code·class="inline">exit</code>·-·Attach·when·a·process·terminates.</li></ul><p>When·the·specified·event·occurs,·the·function·<code·class="inline">Function</code>·is·called·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">spawn</span><span·class="p"·data-group-id="9502802904-1">(</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9502802904-2">[</span><span·class="n">Pid</span><sp[·...·truncated·by·diffoscope;·len:·190,·SHA:·3203f35a6670393cb66ab28b2c888191df6380e550889ddd55b7fca2b7bd2c10·...·]-1">)</span></code></pre><p><code·class="inline">Pid</code>·is·the·pid·of·the·process·executing·interpreted·code.</p> |
| 676 | ··</section> | 676 | ··</section> |
| 677 | </section> | 677 | </section> |
| 678 | <section·class="detail"·id="break/2"> | 678 | <section·class="detail"·id="break/2"> |
| 679 | ··<div·class="detail-header"> | 679 | ··<div·class="detail-header"> |
| 680 | ····<a·href="#break/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 680 | ····<a·href="#break/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 681 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 681 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 1399 | ······<p·class="built-using"> | 1399 | ······<p·class="built-using"> |
| 1400 | ········Built·using | 1400 | ········Built·using |
| 1401 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1401 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1402 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1402 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1403 | ······</p> | 1403 | ······</p> |
| 1404 | <p>Copyright·©·1996-202 | 1404 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1405 | ····</footer> | 1405 | ····</footer> |
| 1406 | ··</div> | 1406 | ··</div> |
| 1407 | </main> | 1407 | </main> |
| 1408 | </div> | 1408 | </div> |
| 1409 | <script> | 1409 | <script> |
| 1410 | ··function·mermaidLoaded()·{ | 1410 | ··function·mermaidLoaded()·{ |
| 1411 | ····mermaid.initialize({ | 1411 | ····mermaid.initialize({ |
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| 188 | ······<p·class="built-using"> | 188 | ······<p·class="built-using"> |
| 189 | ········Built·using | 189 | ········Built·using |
| 190 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 190 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 191 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 191 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 192 | ······</p> | 192 | ······</p> |
| 193 | <p>Copyright·©·1996-202 | 193 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 194 | ····</footer> | 194 | ····</footer> |
| 195 | ··</div> | 195 | ··</div> |
| 196 | </main> | 196 | </main> |
| 197 | </div> | 197 | </div> |
| 198 | <script> | 198 | <script> |
| 199 | ··function·mermaidLoaded()·{ | 199 | ··function·mermaidLoaded()·{ |
| 200 | ····mermaid.initialize({ | 200 | ····mermaid.initialize({ |
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| 135 | ··<a·href="#fixed-bugs-and-malfunctions"·class="hover-link"> | 135 | ··<a·href="#fixed-bugs-and-malfunctions"·class="hover-link"> |
| 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 137 | ··</a> | 137 | ··</a> |
| 138 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> | 138 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> |
| 139 | </h3> | 139 | </h3> |
| 140 | <ul><li><p>Defining·a·fun·in·the·shell·using·the·syntax·<code·class="inline">fun·Name/Arity</code>·would·fail.·This·has·been·corrected·so·that·the·following·now·works:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nb">is_atom</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> | 140 | <ul><li><p>Defining·a·fun·in·the·shell·using·the·syntax·<code·class="inline">fun·Name/Arity</code>·would·fail.·This·has·been·corrected·so·that·the·following·now·works:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nb">is_atom</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> |
| 141 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="p">.</span><span·class="ss">erl</span><span·class="p">.</span><span·class="mf">42.18682967</span><span·class="o">></span><span·class="gp·unselectable"> | 141 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="p">.</span><span·class="ss">erl</span><span·class="p">.</span><span·class="mf">42.18682967</span><span·class="o">></span><span·class="gp·unselectable"> |
| 142 | >·</span><span·class="n">F</span><span·class="p"·data-group-id=" | 142 | >·</span><span·class="n">F</span><span·class="p"·data-group-id="5845127127-1">(</span><span·class="ss">a</span><span·class="p"·data-group-id="5845127127-1">)</span><span·class="p">.</span><span·class="w"> |
| 143 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 143 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 144 | 3>·</span><span·class="n">Id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">id</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> | 144 | 3>·</span><span·class="n">Id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">id</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> |
| 145 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="p">.</span><span·class="ss">erl</span><span·class="p">.</span><span·class="mf">42.18682967</span><span·class="o">></span><span·class="gp·unselectable"> | 145 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="p">.</span><span·class="ss">erl</span><span·class="p">.</span><span·class="mf">42.18682967</span><span·class="o">></span><span·class="gp·unselectable"> |
| 146 | 4>·</span><span·class="n">Id</span><span·class="p"·data-group-id=" | 146 | 4>·</span><span·class="n">Id</span><span·class="p"·data-group-id="5845127127-2">(</span><span·class="mi">42</span><span·class="p"·data-group-id="5845127127-2">)</span><span·class="p">.</span><span·class="w"> |
| 147 | </span><span·class="gt">**·exception·error:·undefined·shell·command·id/1</span><span·class="gp·unselectable"> | 147 | </span><span·class="gt">**·exception·error:·undefined·shell·command·id/1</span><span·class="gp·unselectable"> |
| 148 | 5>·</span><span·class="nf">id</span><span·class="p"·data-group-id=" | 148 | 5>·</span><span·class="nf">id</span><span·class="p"·data-group-id="5845127127-3">(</span><span·class="n">I</span><span·class="p"·data-group-id="5845127127-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">I</span><span·class="p">.</span><span·class="w"> |
| 149 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 149 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 150 | 6>·</span><span·class="n">Id</span><span·class="p"·data-group-id=" | 150 | 6>·</span><span·class="n">Id</span><span·class="p"·data-group-id="5845127127-4">(</span><span·class="mi">42</span><span·class="p"·data-group-id="5845127127-4">)</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="mi">42</span></code></pre><p>The·Debugger·has·also·been·corrected·to·correctly·handle·this·syntax·for·a·BIF.</p><p>Own·Id:·OTP-19322·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8963"·title="">GH-8963</a>,·<a·href="https://github.com/erlang/otp/pull/8987"·title="">PR-8987</a></p></li></ul><h3·id="improvements-and-new-features"·class="section-heading"> | 151 | </span><span·class="mi">42</span></code></pre><p>The·Debugger·has·also·been·corrected·to·correctly·handle·this·syntax·for·a·BIF.</p><p>Own·Id:·OTP-19322·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8963"·title="">GH-8963</a>,·<a·href="https://github.com/erlang/otp/pull/8987"·title="">PR-8987</a></p></li></ul><h3·id="improvements-and-new-features"·class="section-heading"> |
| 152 | ··<a·href="#improvements-and-new-features"·class="hover-link"> | 152 | ··<a·href="#improvements-and-new-features"·class="hover-link"> |
| 153 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 153 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 154 | ··</a> | 154 | ··</a> |
| 155 | ··<span·class="text">Improvements·and·New·Features</span> | 155 | ··<span·class="text">Improvements·and·New·Features</span> |
| 156 | </h3> | 156 | </h3> |
| 157 | <ul><li><p>Erlang/OTP·type·specifications·has·been·updated·to·eliminate·overlapping·domains.</p><p>Own·Id:·OTP-19310·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8810"·title="">GH-8810</a>,·<a·href="https://github.com/erlang/otp/issues/8821"·title="">GH-8821</a>,·<a·href="https://github.com/erlang/otp/pull/8986"·title="">PR-8986</a></p></li></ul><h2·id="debugger-5-4"·class="section-heading"> | 157 | <ul><li><p>Erlang/OTP·type·specifications·has·been·updated·to·eliminate·overlapping·domains.</p><p>Own·Id:·OTP-19310·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8810"·title="">GH-8810</a>,·<a·href="https://github.com/erlang/otp/issues/8821"·title="">GH-8821</a>,·<a·href="https://github.com/erlang/otp/pull/8986"·title="">PR-8986</a></p></li></ul><h2·id="debugger-5-4"·class="section-heading"> |
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| 988 | ······<p·class="built-using"> | 988 | ······<p·class="built-using"> |
| 989 | ········Built·using | 989 | ········Built·using |
| 990 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 990 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 991 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 991 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 992 | ······</p> | 992 | ······</p> |
| 993 | <p>Copyright·©·1996-202 | 993 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 994 | ····</footer> | 994 | ····</footer> |
| 995 | ··</div> | 995 | ··</div> |
| 996 | </main> | 996 | </main> |
| 997 | </div> | 997 | </div> |
| 998 | <script> | 998 | <script> |
| 999 | ··function·mermaidLoaded()·{ | 999 | ··function·mermaidLoaded()·{ |
| 1000 | ····mermaid.initialize({ | 1000 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 181, 15 lines modified | Offset 181, 15 lines modified | ||
| 181 | ······<p·class="built-using"> | 181 | ······<p·class="built-using"> |
| 182 | ········Built·using | 182 | ········Built·using |
| 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 185 | ······</p> | 185 | ······</p> |
| 186 | <p>Copyright·©·1996-202 | 186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 187 | ····</footer> | 187 | ····</footer> |
| 188 | ··</div> | 188 | ··</div> |
| 189 | </main> | 189 | </main> |
| 190 | </div> | 190 | </div> |
| 191 | <script> | 191 | <script> |
| 192 | ··function·mermaidLoaded()·{ | 192 | ··function·mermaidLoaded()·{ |
| 193 | ····mermaid.initialize({ | 193 | ····mermaid.initialize({ |
| Offset 266, 35 lines modified | Offset 266, 35 lines modified | ||
| 266 | the·value·is·a·list,·it·is·used·as·is.·If·it·is·not·a·list,·it·is·put·into·a | 266 | the·value·is·a·list,·it·is·used·as·is.·If·it·is·not·a·list,·it·is·put·into·a |
| 267 | list.</p><p>The·list·is·appended·to·any·options·given·to·<a·href="#run/1"><code·class="inline">run/1</code></a>·or·on·the·command·line.</p><p>The·list·can·be·retrieved·with·<a·href="../../../../lib/compiler-8.6/doc/html/compile.html#env_compiler_options/0"><code·class="inline">compile:env_compiler_options/0</code></a>.</p><p>Currently·the·only·option·used·is·the | 267 | list.</p><p>The·list·is·appended·to·any·options·given·to·<a·href="#run/1"><code·class="inline">run/1</code></a>·or·on·the·command·line.</p><p>The·list·can·be·retrieved·with·<a·href="../../../../lib/compiler-8.6/doc/html/compile.html#env_compiler_options/0"><code·class="inline">compile:env_compiler_options/0</code></a>.</p><p>Currently·the·only·option·used·is·the |
| 268 | <a·href="dialyzer.html#error_location"><code·class="inline">error_location</code></a>·option.</p><p><em>Dialyzer·configuration·file:</em></p><p>Dialyzer's·configuration·file·may·also·be·used·to·augment·the·default·options | 268 | <a·href="dialyzer.html#error_location"><code·class="inline">error_location</code></a>·option.</p><p><em>Dialyzer·configuration·file:</em></p><p>Dialyzer's·configuration·file·may·also·be·used·to·augment·the·default·options |
| 269 | and·those·given·directly·to·the·Dialyzer·command.·It·is·commonly·used·to·avoid | 269 | and·those·given·directly·to·the·Dialyzer·command.·It·is·commonly·used·to·avoid |
| 270 | repeating·options·which·would·otherwise·need·to·be·given·explicitly·to·Dialyzer | 270 | repeating·options·which·would·otherwise·need·to·be·given·explicitly·to·Dialyzer |
| 271 | on·every·invocation.</p><p>The·location·of·the·configuration·file·can·be·set·via·the·<code·class="inline">DIALYZER_CONFIG</code> | 271 | on·every·invocation.</p><p>The·location·of·the·configuration·file·can·be·set·via·the·<code·class="inline">DIALYZER_CONFIG</code> |
| 272 | environment·variable,·and·defaults·to·within·the·<code·class="inline">user_config</code>·from | 272 | environment·variable,·and·defaults·to·within·the·<code·class="inline">user_config</code>·from |
| 273 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/filename.html#basedir/3"><code·class="inline">filename:basedir/3</code></a>.</p><p>An·example·configuration·file's·contents·might·be:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id=" | 273 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/filename.html#basedir/3"><code·class="inline">filename:basedir/3</code></a>.</p><p>An·example·configuration·file's·contents·might·be:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id="7630078536-1">{</span><span·class="ss">incremental</span><span·class="p">,</span><span·class="w"> |
| 274 | ········</span><span·class="p"·data-group-id=" | 274 | ········</span><span·class="p"·data-group-id="7630078536-2">{</span><span·class="ss">default_apps</span><span·class="p">,</span><span·class="p"·data-group-id="7630078536-3">[</span><span·class="ss">stdlib</span><span·class="p">,</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·109,·SHA:·08afeb6ec08ba1ae7faef3d1093a60e72ed207cf2697ce12fc4e1ef51d9776e1·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 275 | ········</span><span·class="p"·data-group-id=" | 275 | ········</span><span·class="p"·data-group-id="7630078536-4">{</span><span·class="ss">default_warning_apps</span><span·class="p">,</span><span·class="p"·data-group-id="7630078536-5">[</span><span·class="ss">stdlib</span><span·class="p"·data-group-id="7630078536-5">]</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·11,·SHA:·76802c348b265899311395b29962517684868e298c5f4953085e16b7a1fd586e·...·]-4">}</span><span·class="w"> |
| 276 | ······</span><span·class="p"·data-group-id=" | 276 | ······</span><span·class="p"·data-group-id="7630078536-1">}</span><span·class="p">.</span><span·class="w"> |
| 277 | ······</span><span·class="p"·data-group-id=" | 277 | ······</span><span·class="p"·data-group-id="7630078536-6">{</span><span·class="ss">warnings</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7630078536-7">[</span><span·class="ss">no_improper_lists</span><span·class="p"·data-group-id="7630078536-7">]</span><span·c[·...·truncated·by·diffoscope;·len:·34,·SHA:·8c072916cb8d477979779ca07d937ce19f7c19907a5b303c3cacf2ccc12ce2c2·...·]-6">}</span><span·class="p">.</span><span·class="w"> |
| 278 | ······</span><span·class="p"·data-group-id=" | 278 | ······</span><span·class="p"·data-group-id="7630078536-8">{</span><span·class="ss">add_pathsa</span><span·class="p">,</span><span·class="p"·data-group-id="7630078536-9">[</span><span·class="s">"/users/samwise/potatoes/ebin"</span><span·class="p"·data-group-id="7630078536-9">]</span><span·c[·...·truncated·by·diffoscope;·len:·34,·SHA:·8c072916cb8d477979779ca07d937ce19f7c19907a5b303c3cacf2ccc12ce2c2·...·]-8">}</span><span·class="p">.</span><span·class="w"> |
| 279 | ······</span><span·class="p"·data-group-id=" | 279 | ······</span><span·class="p"·data-group-id="7630078536-10">{</span><span·class="ss">add_pathsz</span><span·class="p">,</span><span·class="p"·data-group-id="7630078536-11">[</span><span·class="s">"/users/smeagol/fish/ebin"</span><span·class="p"·data-group-id="7630078536-11">]</span><span·cl[·...·truncated·by·diffoscope;·len:·33,·SHA:·5f96458be2dcd3b355788861316a1a8a872da1cac38b87c5334b9a77fa112215·...·]-10">}</span><span·class="p">.</span></code></pre><p><a·href=""·id="suppression"></a></p><h2·id="module-requesting-or-suppressing-warnings-in-source-files"·class="section-heading"> |
| 280 | ··<a·href="#module-requesting-or-suppressing-warnings-in-source-files"·class="hover-link"> | 280 | ··<a·href="#module-requesting-or-suppressing-warnings-in-source-files"·class="hover-link"> |
| 281 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 281 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 282 | ··</a> | 282 | ··</a> |
| 283 | ··<span·class="text">Requesting·or·Suppressing·Warnings·in·Source·Files</span> | 283 | ··<span·class="text">Requesting·or·Suppressing·Warnings·in·Source·Files</span> |
| 284 | </h2> | 284 | </h2> |
| 285 | <p>Attribute·<code·class="inline">-dialyzer()</code>·can·be·used·for·turning·off·warnings·in·a·module·by | 285 | <p>Attribute·<code·class="inline">-dialyzer()</code>·can·be·used·for·turning·off·warnings·in·a·module·by |
| 286 | specifying·functions·or·warning·options.·For·example,·to·turn·off·all·warnings | 286 | specifying·functions·or·warning·options.·For·example,·to·turn·off·all·warnings |
| 287 | for·the·function·<code·class="inline">f/0</code>,·include·the·following·line:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">dialyzer</span><span·class="p"·data-group-id=" | 287 | for·the·function·<code·class="inline">f/0</code>,·include·the·following·line:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">dialyzer</span><span·class="p"·data-group-id="7188810421-1">(</span><span·class="p"·data-group-id="7188810421-2">{</span><span·class="ss">nowarn_function</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">f</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·74,·SHA:·c0fb78b02cb5f0fe29ae179b86133c34cb9ce045c3e603de0794b9c620e741da·...·]-1">)</span><span·class="p">.</span></code></pre><p>To·turn·off·warnings·for·improper·lists,·add·the·following·line·to·the·source |
| 288 | file:</p><pre><code·class="text">-dialyzer(no_improper_lists).</code></pre><p>Attribute·<code·class="inline">-dialyzer()</code>·is·allowed·after·function·declarations.·Lists·of·warning | 288 | file:</p><pre><code·class="text">-dialyzer(no_improper_lists).</code></pre><p>Attribute·<code·class="inline">-dialyzer()</code>·is·allowed·after·function·declarations.·Lists·of·warning |
| 289 | options·or·functions·are·allowed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">dialyzer</span><span·class="p"·data-group-id=" | 289 | options·or·functions·are·allowed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">dialyzer</span><span·class="p"·data-group-id="9239000539-1">(</span><span·class="p"·data-group-id="9239000539-2">[</span><span·class="p"·data-group-id="9239000539-3">{</span><span·class="ss">nowarn_function</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9239000539[·...·truncated·by·diffoscope;·len:·1867,·SHA:·4d35fd250773e680b7096c53f132e34fbb3728d31c6a911b3c5419e4daeb04ac·...·]-1">)</span><span·class="p">.</span></code></pre><p>The·warning·option·for·underspecified·functions,·<code·class="inline">-Wunderspecs</code>,·can·result·in |
| 290 | useful·warnings,·but·often·functions·with·specifications·that·are·strictly·more | 290 | useful·warnings,·but·often·functions·with·specifications·that·are·strictly·more |
| 291 | allowing·than·the·success·typing·cannot·easily·be·modified·to·be·less·allowing. | 291 | allowing·than·the·success·typing·cannot·easily·be·modified·to·be·less·allowing. |
| 292 | To·turn·off·the·warning·for·underspecified·function·<code·class="inline">f/0</code>,·include·the·following | 292 | To·turn·off·the·warning·for·underspecified·function·<code·class="inline">f/0</code>,·include·the·following |
| 293 | line:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">dialyzer</span><span·class="p"·data-group-id=" | 293 | line:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">dialyzer</span><span·class="p"·data-group-id="8185725795-1">(</span><span·class="p"·data-group-id="8185725795-2">{</span><span·class="ss">no_underspecs</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">f</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·72,·SHA:·5c382f2f4f2f78d165a2750c11a1197626f946878cd1a1305c2b6cde5b42df3d·...·]-1">)</span><span·class="p">.</span></code></pre><p>For·help·on·the·warning·options,·use·<code·class="inline">dialyzer·-Whelp</code>.·The·options·are·also |
| 294 | enumerated,·see·type·<a·href="#t:warn_option/0"><code·class="inline">warn_option/0</code></a>.</p><p>Attribute·<code·class="inline">-dialyzer()</code>·can·also·be·used·for·turning·on·warnings.·For·example, | 294 | enumerated,·see·type·<a·href="#t:warn_option/0"><code·class="inline">warn_option/0</code></a>.</p><p>Attribute·<code·class="inline">-dialyzer()</code>·can·also·be·used·for·turning·on·warnings.·For·example, |
| 295 | if·a·module·has·been·fixed·regarding·unmatched·returns,·adding·the·following | 295 | if·a·module·has·been·fixed·regarding·unmatched·returns,·adding·the·following |
| 296 | line·can·help·in·assuring·that·no·new·unmatched·return·warnings·are·introduced:</p><pre><code·class="text">-dialyzer(unmatched_returns).</code></pre> | 296 | line·can·help·in·assuring·that·no·new·unmatched·return·warnings·are·introduced:</p><pre><code·class="text">-dialyzer(unmatched_returns).</code></pre> |
| 297 | ····</section> | 297 | ····</section> |
| 298 | </div> | 298 | </div> |
| Offset 854, 15 lines modified | Offset 854, 15 lines modified | ||
| 854 | ······<p·class="built-using"> | 854 | ······<p·class="built-using"> |
| 855 | ········Built·using | 855 | ········Built·using |
| 856 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 856 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 857 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 857 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 858 | ······</p> | 858 | ······</p> |
| 859 | <p>Copyright·©·1996-202 | 859 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 860 | ····</footer> | 860 | ····</footer> |
| 861 | ··</div> | 861 | ··</div> |
| 862 | </main> | 862 | </main> |
| 863 | </div> | 863 | </div> |
| 864 | <script> | 864 | <script> |
| 865 | ··function·mermaidLoaded()·{ | 865 | ··function·mermaidLoaded()·{ |
| 866 | ····mermaid.initialize({ | 866 | ····mermaid.initialize({ |
| Offset 205, 37 lines modified | Offset 205, 37 lines modified | ||
| 205 | spec·is·invalid·with·respect·to·the·implementation.·However,·if·they·do·overlap, | 205 | spec·is·invalid·with·respect·to·the·implementation.·However,·if·they·do·overlap, |
| 206 | Dialyzer·will·proceed·under·the·assumption·that·the·correct·type·for·the·given | 206 | Dialyzer·will·proceed·under·the·assumption·that·the·correct·type·for·the·given |
| 207 | function·is·the·intersection·of·the·inferred·type·and·the·specified·type·(the | 207 | function·is·the·intersection·of·the·inferred·type·and·the·specified·type·(the |
| 208 | rationale·being·that·the·user·may·know·something·that·Dialyzer·itself·cannot | 208 | rationale·being·that·the·user·may·know·something·that·Dialyzer·itself·cannot |
| 209 | deduce).·One·implication·of·this·is·that·if·the·user·gives·a·spec·for·a·function | 209 | deduce).·One·implication·of·this·is·that·if·the·user·gives·a·spec·for·a·function |
| 210 | which·overlaps·with·Dialyzer's·inferred·type,·but·is·more·restrictive,·Dialyzer | 210 | which·overlaps·with·Dialyzer's·inferred·type,·but·is·more·restrictive,·Dialyzer |
| 211 | will·trust·those·restrictions.·This·may·then·generate·an·error·elsewhere·that | 211 | will·trust·those·restrictions.·This·may·then·generate·an·error·elsewhere·that |
| 212 | follows·from·the·erroneously·restricted·spec.</p><p><em>Examples:</em></p><p>Non-overlapping·argument:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 212 | follows·from·the·erroneously·restricted·spec.</p><p><em>Examples:</em></p><p>Non-overlapping·argument:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="4657326377-1">(</span><span·class="nf">boolean</span><span·class="p"·data-group-id="4657326377-2">(</span><span·class="p"·data-group-id="4657326377-2">)</span><span·class="p"·data-group-id="4657326377-1">)</span><span·class="w">·</span><span·class="p">->[·...·truncated·by·diffoscope;·len:·156,·SHA:·9ff12bb6fed4ed19679b754ca0ddcd3ef595b6d9269a57ca143014c85a0b5190·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 213 | </span><span·class="c1">%%·Dialyzer·will·infer:·foo(integer())·->·string().</span><span·class="w"> | 213 | </span><span·class="c1">%%·Dialyzer·will·infer:·foo(integer())·->·string().</span><span·class="w"> |
| 214 | </span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 214 | </span><span·class="nf">foo</span><span·class="p"·data-group-id="4657326377-4">(</span><span·class="n">N</span><span·class="p"·data-group-id="4657326377-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 215 | ····</span><span·class="nf">integer_to_list</span><span·class="p"·data-group-id=" | 215 | ····</span><span·class="nf">integer_to_list</span><span·class="p"·data-group-id="4657326377-5">(</span><span·class="n">N</span><span·class="p"·data-group-id="4657326377-5">)</span><span·class="p">.</span></code></pre><p>Since·the·type·of·the·argument·in·the·spec·is·different·from·the·type·that |
| 216 | Dialyzer·inferred,·Dialyzer·will·generate·the·following·warning:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">some_module</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">7</span><span·class="p">:</span><span·class="mi">2</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Invalid</span><span·class="w">·</span><span·class="ss">type</span><span·class="w">·</span><span·class="ss">specification</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="ss">foo</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> | 216 | Dialyzer·inferred,·Dialyzer·will·generate·the·following·warning:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">some_module</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">7</span><span·class="p">:</span><span·class="mi">2</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Invalid</span><span·class="w">·</span><span·class="ss">type</span><span·class="w">·</span><span·class="ss">specification</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="ss">foo</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> |
| 217 | ·</span><span·class="n">The</span><span·class="w">·</span><span·class="ss">success</span><span·class="w">·</span><span·class="ss">typing</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="nf">foo</span><span·class="w"> | 217 | ·</span><span·class="n">The</span><span·class="w">·</span><span·class="ss">success</span><span·class="w">·</span><span·class="ss">typing</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="nf">foo</span><span·class="w"> |
| 218 | ··········</span><span·class="p"·data-group-id=" | 218 | ··········</span><span·class="p"·data-group-id="3041513135-1">(</span><span·class="nf">integer</span><span·class="p"·data-group-id="3041513135-2">(</span><span·class="p"·data-group-id="3041513135-2">)</span><span·class="p"·data-group-id="3041513135-1">)</span><span·class="w">·</span><span·class="p">->[·...·truncated·by·diffoscope;·len:·156,·SHA:·b980eeb7820198aa41a68a74601334cd932c9b27ee32e2bbf33a01f2815f1225·...·]-3">)</span><span·class="w"> |
| 219 | ·</span><span·class="n">But</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">spec</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="nf">foo</span><span·class="w"> | 219 | ·</span><span·class="n">But</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">spec</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="nf">foo</span><span·class="w"> |
| 220 | ··········</span><span·class="p"·data-group-id=" | 220 | ··········</span><span·class="p"·data-group-id="3041513135-4">(</span><span·class="nf">boolean</span><span·class="p"·data-group-id="3041513135-5">(</span><span·class="p"·data-group-id="3041513135-5">)</span><span·class="p"·data-group-id="3041513135-4">)</span><span·class="w">·</span><span·class="p">->[·...·truncated·by·diffoscope;·len:·156,·SHA:·208fdd7d00ed9e2fef860fb8eb3e02b3c7ebe3ff371397d55e1eef110b08c1ce·...·]-6">)</span><span·class="w"> |
| 221 | ·</span><span·class="n">They</span><span·class="w">·</span><span·class="ss">do</span><span·class="w">·</span><span·class="ow">not</span><span·class="w">·</span><span·class="ss">overlap</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="mi">1</span><span·class="ss">st</span><span·class="w">·</span><span·class="ss">argument</span></code></pre><p>Non-overlapping·return:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 221 | ·</span><span·class="n">They</span><span·class="w">·</span><span·class="ss">do</span><span·class="w">·</span><span·class="ow">not</span><span·class="w">·</span><span·class="ss">overlap</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="mi">1</span><span·class="ss">st</span><span·class="w">·</span><span·class="ss">argument</span></code></pre><p>Non-overlapping·return:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">bar</span><span·class="p"·data-group-id="7650491331-1">(</span><span·class="ss">a</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">b</span><span·class="p"·data-group-id="7650491331-1">)</span><span·class="w">·</span><span·class="p">-></span><span·c[·...·truncated·by·diffoscope;·len:·139,·SHA:·e601a29515a158a95449d7eaee39d8d1d8eb8240bfa2ab03bcf1f466b8173a01·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 222 | </span><span·class="c1">%%·Dialyzer·will·infer:·bar(a·|·b)·->·binary().</span><span·class="w"> | 222 | </span><span·class="c1">%%·Dialyzer·will·infer:·bar(a·|·b)·->·binary().</span><span·class="w"> |
| 223 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="8069210893-3">(</span><span·class="ss">a</span><span·class="p"·data-group-id="8069210893-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="8069210893-4"><<</span><span·class="s">"a"</span><span·class="p"·data-group-id="8069210893-4">>></span><span·class="p">;</span><span·class="w"> | ||
| 224 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 223 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="7650491331-3">(</span><span·class="ss">a</span><span·class="p"·data-group-id="7650491331-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="7650491331-4"><<</span><span·class="s">&quo[·...·truncated·by·diffoscope;·len:·116,·SHA:·4caa675ad3a69ae3fd7c4b35b0809d454b0b2bb7ba1f5a36fa8c59242c227cfe·...·] |
| 224 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="7650491331-5">(</span><span·class="ss">b</span><span·class="p"·data-group-id="7650491331-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="7650491331-6"><<</span><span·class="s">"b"</span><span·class="p"·data-group-id="7650491331-6">>></span><span·class="p">.</span></code></pre><p>Since·the·return·value·in·the·spec·and·the·return·value·inferred·by·Dialyzer·are | ||
| 225 | different,·Dialyzer·will·generate·the·following·warning:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">some_module</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">11</span><span·class="p">:</span><span·class="mi">2</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Invalid</span><span·class="w">·</span><span·class="ss">type</span><span·class="w">·</span><span·class="ss">specification</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="ss">bar</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> | 225 | different,·Dialyzer·will·generate·the·following·warning:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">some_module</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">11</span><span·class="p">:</span><span·class="mi">2</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Invalid</span><span·class="w">·</span><span·class="ss">type</span><span·class="w">·</span><span·class="ss">specification</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="ss">bar</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> |
| 226 | ·</span><span·class="n">The</span><span·class="w">·</span><span·class="ss">success</span><span·class="w">·</span><span·class="ss">typing</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="nf">bar</span><span·class="w"> | 226 | ·</span><span·class="n">The</span><span·class="w">·</span><span·class="ss">success</span><span·class="w">·</span><span·class="ss">typing</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="nf">bar</span><span·class="w"> |
| 227 | ··········</span><span·class="p"·data-group-id=" | 227 | ··········</span><span·class="p"·data-group-id="0700551355-1">(</span><span·class="ss">'a'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'b'</span><span·class="p"·data-group-id="0700551355-1">)</span><span·class="w">·</span><span·class="p"[·...·truncated·by·diffoscope;·len:·211,·SHA:·642e42acbb5139b76c86acef2d185f0cc32b5ef445dc75af4fdeaac6be2c0e50·...·]-2">>></span><span·class="w"> |
| 228 | ·</span><span·class="n">But</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">spec</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="nf">bar</span><span·class="w"> | 228 | ·</span><span·class="n">But</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">spec</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="nc">some_module</span><span·class="p">:</span><span·class="nf">bar</span><span·class="w"> |
| 229 | ··········</span><span·class="p"·data-group-id=" | 229 | ··········</span><span·class="p"·data-group-id="0700551355-3">(</span><span·class="ss">'a'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'b'</span><span·class="p"·data-group-id="0700551355-3">)</span><span·class="w">·</span><span·class="p"[·...·truncated·by·diffoscope;·len:·159,·SHA:·ad2be794f793d3949891d98172d76c77d59bb7b5b6f6713e98140ebad4eca712·...·]-4">)</span><span·class="w"> |
| 230 | ·</span><span·class="n">The</span><span·class="w">·</span><span·class="ss">return</span><span·class="w">·</span><span·class="ss">types</span><span·class="w">·</span><span·class="ss">do</span><span·class="w">·</span><span·class="ow">not</span><span·class="w">·</span><span·class="ss">overlap</span></code></pre><p>Overlapping·spec·and·inferred·type:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">baz</span><span·class="p"·data-group-id="8 | 230 | ·</span><span·class="n">The</span><span·class="w">·</span><span·class="ss">return</span><span·class="w">·</span><span·class="ss">types</span><span·class="w">·</span><span·class="ss">do</span><span·class="w">·</span><span·class="ow">not</span><span·class="w">·</span><span·class="ss">overlap</span></code></pre><p>Overlapping·spec·and·inferred·type:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">baz</span><span·class="p"·data-group-id="8714281450-1">(</span><span·class="ss">a</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">b</span><span·class="p"·data-group-id="8714281450-1">)</span><span·class="w">·</span><span·class="p">-></span><span·cl[·...·truncated·by·diffoscope;·len:·149,·SHA:·48b06aadebee0751ef57d327cc898257af5e388df61db9a9415b5b22074c5382·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 231 | </span><span·class="c1">%%·Dialyzer·will·infer:·baz(b·|·c·|·d)·->·-1·|·0·|·1.</span><span·class="w"> | 231 | </span><span·class="c1">%%·Dialyzer·will·infer:·baz(b·|·c·|·d)·->·-1·|·0·|·1.</span><span·class="w"> |
| 232 | </span><span·class="nf">baz</span><span·class="p"·data-group-id="8 | 232 | </span><span·class="nf">baz</span><span·class="p"·data-group-id="8714281450-3">(</span><span·class="ss">b</span><span·class="p"·data-group-id="8714281450-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="o">-</span><span·class="mi">1</span><span·class="p">;</span><span·class="w"> |
| 233 | </span><span·class="nf">baz</span><span·class="p"·data-group-id="8 | 233 | </span><span·class="nf">baz</span><span·class="p"·data-group-id="8714281450-4">(</span><span·class="ss">c</span><span·class="p"·data-group-id="8714281450-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">0</span><span·class="p">;</span><span·class="w"> |
| 234 | </span><span·class="nf">baz</span><span·class="p"·data-group-id="8 | 234 | </span><span·class="nf">baz</span><span·class="p"·data-group-id="8714281450-5">(</span><span·class="ss">d</span><span·class="p"·data-group-id="8714281450-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">1</span><span·class="p">.</span></code></pre><p>Dialyzer·will·"trust"·the·spec·and·using·the·intersection·of·the·spec·and |
| 235 | inferred·type:</p><pre><code·class="text">baz(b)·->·0·|·1.</code></pre><p>Notice·how·the·<code·class="inline">c</code>·and·<code·class="inline">d</code>·from·the·argument·to·<code·class="inline">baz/1</code>·and·the·<code·class="inline">-1</code>·in·the | 235 | inferred·type:</p><pre><code·class="text">baz(b)·->·0·|·1.</code></pre><p>Notice·how·the·<code·class="inline">c</code>·and·<code·class="inline">d</code>·from·the·argument·to·<code·class="inline">baz/1</code>·and·the·<code·class="inline">-1</code>·in·the |
| 236 | return·from·the·inferred·type·were·dropped·once·the·spec·and·inferred·type·were | 236 | return·from·the·inferred·type·were·dropped·once·the·spec·and·inferred·type·were |
| 237 | intersected.·This·could·result·in·warnings·being·emitted·for·later·functions.</p><p>For·example,·if·<code·class="inline">baz/1</code>·is·called·like·this:</p><pre><code·class="text">call_baz1(A)·-> | 237 | intersected.·This·could·result·in·warnings·being·emitted·for·later·functions.</p><p>For·example,·if·<code·class="inline">baz/1</code>·is·called·like·this:</p><pre><code·class="text">call_baz1(A)·-> |
| 238 | ····case·baz(A)·of | 238 | ····case·baz(A)·of |
| 239 | ········-1·->·negative; | 239 | ········-1·->·negative; |
| 240 | ········0·->·zero; | 240 | ········0·->·zero; |
| 241 | ········1·->·positive | 241 | ········1·->·positive |
| Offset 302, 15 lines modified | Offset 302, 15 lines modified | ||
| 302 | ······<p·class="built-using"> | 302 | ······<p·class="built-using"> |
| 303 | ········Built·using | 303 | ········Built·using |
| 304 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 304 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 305 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 305 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 306 | ······</p> | 306 | ······</p> |
| 307 | <p>Copyright·©·1996-202 | 307 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 308 | ····</footer> | 308 | ····</footer> |
| 309 | ··</div> | 309 | ··</div> |
| 310 | </main> | 310 | </main> |
| 311 | </div> | 311 | </div> |
| 312 | <script> | 312 | <script> |
| 313 | ··function·mermaidLoaded()·{ | 313 | ··function·mermaidLoaded()·{ |
| 314 | ····mermaid.initialize({ | 314 | ····mermaid.initialize({ |
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| 1887 | ······<p·class="built-using"> | 1887 | ······<p·class="built-using"> |
| 1888 | ········Built·using | 1888 | ········Built·using |
| 1889 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1889 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1890 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1890 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1891 | ······</p> | 1891 | ······</p> |
| 1892 | <p>Copyright·©·1996-202 | 1892 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1893 | ····</footer> | 1893 | ····</footer> |
| 1894 | ··</div> | 1894 | ··</div> |
| 1895 | </main> | 1895 | </main> |
| 1896 | </div> | 1896 | </div> |
| 1897 | <script> | 1897 | <script> |
| 1898 | ··function·mermaidLoaded()·{ | 1898 | ··function·mermaidLoaded()·{ |
| 1899 | ····mermaid.initialize({ | 1899 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 196 | ······<p·class="built-using"> | 196 | ······<p·class="built-using"> |
| 197 | ········Built·using | 197 | ········Built·using |
| 198 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 198 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 199 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 199 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 200 | ······</p> | 200 | ······</p> |
| 201 | <p>Copyright·©·1996-202 | 201 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 202 | ····</footer> | 202 | ····</footer> |
| 203 | ··</div> | 203 | ··</div> |
| 204 | </main> | 204 | </main> |
| 205 | </div> | 205 | </div> |
| 206 | <script> | 206 | <script> |
| 207 | ··function·mermaidLoaded()·{ | 207 | ··function·mermaidLoaded()·{ |
| 208 | ····mermaid.initialize({ | 208 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 242, 15 lines modified | Offset 242, 15 lines modified | ||
| 242 | ······<p·class="built-using"> | 242 | ······<p·class="built-using"> |
| 243 | ········Built·using | 243 | ········Built·using |
| 244 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 244 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 245 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 245 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 246 | ······</p> | 246 | ······</p> |
| 247 | <p>Copyright·©·1996-202 | 247 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 248 | ····</footer> | 248 | ····</footer> |
| 249 | ··</div> | 249 | ··</div> |
| 250 | </main> | 250 | </main> |
| 251 | </div> | 251 | </div> |
| 252 | <script> | 252 | <script> |
| 253 | ··function·mermaidLoaded()·{ | 253 | ··function·mermaidLoaded()·{ |
| 254 | ····mermaid.initialize({ | 254 | ····mermaid.initialize({ |
| Offset 697, 20 lines modified | Offset 697, 20 lines modified | ||
| 697 | ······</div> | 697 | ······</div> |
| 698 | <p>Invoked·when·a·request·message·is·received·from·a·peer.·The·application·in·which | 698 | <p>Invoked·when·a·request·message·is·received·from·a·peer.·The·application·in·which |
| 699 | the·callback·takes·place·(that·is,·the·callback·module·as·configured·with | 699 | the·callback·takes·place·(that·is,·the·callback·module·as·configured·with |
| 700 | <a·href="diameter.html#start_service/2"><code·class="inline">diameter:start_service/2</code></a>)·is·determined·by·the·Application·Identifier·in·the | 700 | <a·href="diameter.html#start_service/2"><code·class="inline">diameter:start_service/2</code></a>)·is·determined·by·the·Application·Identifier·in·the |
| 701 | header·of·the·incoming·request·message,·the·selected·module·being·the·one·whose | 701 | header·of·the·incoming·request·message,·the·selected·module·being·the·one·whose |
| 702 | corresponding·dictionary·declares·itself·as·defining·either·the·application·in | 702 | corresponding·dictionary·declares·itself·as·defining·either·the·application·in |
| 703 | question·or·the·Relay·application.</p><p>The·argument·<a·href="#t:packet/0">packet()</a>·has·the·following·signature.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">diameter_packet</span><span·class="p"·data-group-id=" | 703 | question·or·the·Relay·application.</p><p>The·argument·<a·href="#t:packet/0">packet()</a>·has·the·following·signature.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">diameter_packet</span><span·class="p"·data-group-id="9539188693-1">{</span><span·class="ss">header</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">diameter_header</span><span·class="p"·data-group-id="9539188693-2">{</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·25,·SHA:·d14804f47290491f1526bb9b2d2a0bd338e19ad4fee66705895c508d104db083·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 704 | ·················</span><span·class="ss">avps</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 704 | ·················</span><span·class="ss">avps</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9539188693-3">[</span><span·class="o">#</span><span·class="ss">diameter_avp</span><span·class="p"·data-group-id="9539188693-4">{</span><span·class="p"·data-group-id="9539188693-4">}</span><span·class="p"·data-group-id="9539188693-3">]</span><span·class="p">,</span><span·class="w"> |
| 705 | ·················</span><span·class="ss">msg</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">record</span><span·class="p"·data-group-id=" | 705 | ·················</span><span·class="ss">msg</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">record</span><span·class="p"·data-group-id="9539188693-5">(</span><span·class="p"·data-group-id="9539188693-5">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="p">,</span><span·class="w"> |
| 706 | ·················</span><span·class="ss">errors</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 706 | ·················</span><span·class="ss">errors</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9539188693-6">[</span><span·class="n">Unsigned32</span><span·class="p"·data-group-id="9539188693-7">(</span><span·class="p"·data-group-id="9539188693-7">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·479,·SHA:·7ad2ce6dca7bf8670d553934570ee4c0849a65f0fceb4670a09f94a6d963949b·...·]-6">]</span><span·class="p">,</span><span·class="w"> |
| 707 | ·················</span><span·class="ss">bin</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id=" | 707 | ·················</span><span·class="ss">bin</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id="9539188693-11">(</span><span·class="p"·data-group-id="9539188693-11">)</span><span·class="p">,</span><span·class="w"> |
| 708 | ·················</span><span·class="ss">transport_data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 708 | ·················</span><span·class="ss">transport_data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="9539188693-12">(</span><span·class="p"·data-group-id="9539188693-12">)</span><span·class="p"·data-group-id="9539188693-1">}</span></code></pre><p>The·<code·class="inline">msg</code>·field·will·be·<code·class="inline">undefined</code>·in·case·the·request·has·been·received·in·the |
| 709 | relay·application.·Otherwise·it·contains·the·record·representing·the·request·as | 709 | relay·application.·Otherwise·it·contains·the·record·representing·the·request·as |
| 710 | outlined·in·<a·href="diameter_dict.html#MESSAGE_RECORDS">diameter_dict(4)</a>.</p><p>The·<code·class="inline">errors</code>·field·specifies·any·results·codes·identifying·errors·found·while | 710 | outlined·in·<a·href="diameter_dict.html#MESSAGE_RECORDS">diameter_dict(4)</a>.</p><p>The·<code·class="inline">errors</code>·field·specifies·any·results·codes·identifying·errors·found·while |
| 711 | decoding·the·request.·This·is·used·to·set·Result-Code·and/or·Failed-AVP·in·a | 711 | decoding·the·request.·This·is·used·to·set·Result-Code·and/or·Failed-AVP·in·a |
| 712 | returned·answer·unless·the·callback·returns·a·<code·class="inline">#diameter_packet{}</code>·whose | 712 | returned·answer·unless·the·callback·returns·a·<code·class="inline">#diameter_packet{}</code>·whose |
| 713 | <code·class="inline">errors</code>·field·is·set·to·either·a·non-empty·list·of·its·own,·in·which·case·this | 713 | <code·class="inline">errors</code>·field·is·set·to·either·a·non-empty·list·of·its·own,·in·which·case·this |
| 714 | list·is·used·instead,·or·the·atom·<code·class="inline">false</code>·to·disable·any·setting·of·Result-Code | 714 | list·is·used·instead,·or·the·atom·<code·class="inline">false</code>·to·disable·any·setting·of·Result-Code |
| 715 | and·Failed-AVP.·Note·that·the·errors·detected·by·diameter·are·of·the·3xxx·and | 715 | and·Failed-AVP.·Note·that·the·errors·detected·by·diameter·are·of·the·3xxx·and |
| Offset 1010, 15 lines modified | Offset 1010, 15 lines modified | ||
| 1010 | ······<p·class="built-using"> | 1010 | ······<p·class="built-using"> |
| 1011 | ········Built·using | 1011 | ········Built·using |
| 1012 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1012 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1013 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1013 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1014 | ······</p> | 1014 | ······</p> |
| 1015 | <p>Copyright·©·1996-202 | 1015 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1016 | ····</footer> | 1016 | ····</footer> |
| 1017 | ··</div> | 1017 | ··</div> |
| 1018 | </main> | 1018 | </main> |
| 1019 | </div> | 1019 | </div> |
| 1020 | <script> | 1020 | <script> |
| 1021 | ··function·mermaidLoaded()·{ | 1021 | ··function·mermaidLoaded()·{ |
| 1022 | ····mermaid.initialize({ | 1022 | ····mermaid.initialize({ |
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| 135 | encode/decode.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>The·diameter·user·does·not·need·to·call·functions·here·explicitly·when·sending | 135 | encode/decode.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>The·diameter·user·does·not·need·to·call·functions·here·explicitly·when·sending |
| 136 | and·receiving·messages·using·<a·href="diameter.html#call/4"><code·class="inline">diameter:call/4</code></a>·and·the·callback·interface | 136 | and·receiving·messages·using·<a·href="diameter.html#call/4"><code·class="inline">diameter:call/4</code></a>·and·the·callback·interface |
| 137 | documented·in·<a·href="diameter_app.html"><code·class="inline">diameter_app</code></a>:·diameter·itself·provides·encode/decode·as·a | 137 | documented·in·<a·href="diameter_app.html"><code·class="inline">diameter_app</code></a>:·diameter·itself·provides·encode/decode·as·a |
| 138 | consequence·of·configuration·passed·to·<a·href="diameter.html#start_service/2"><code·class="inline">diameter:start_service/2</code></a>,·and·the | 138 | consequence·of·configuration·passed·to·<a·href="diameter.html#start_service/2"><code·class="inline">diameter:start_service/2</code></a>,·and·the |
| 139 | results·may·differ·from·those·returned·by·the·functions·documented·here, | 139 | results·may·differ·from·those·returned·by·the·functions·documented·here, |
| 140 | depending·on·configuration.</p></section><p>The·<a·href="diameter_codec.html#header">header()</a>·and | 140 | depending·on·configuration.</p></section><p>The·<a·href="diameter_codec.html#header">header()</a>·and |
| 141 | <a·href="diameter_codec.html#packet">packet()</a>·records·below·are·defined·in·diameter.hrl, | 141 | <a·href="diameter_codec.html#packet">packet()</a>·records·below·are·defined·in·diameter.hrl, |
| 142 | which·can·be·included·as·follows.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 142 | which·can·be·included·as·follows.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="3297768612-1">(</span><span·class="s">"diameter/include/diameter.hrl"</span><span·class="p"·data-group-id="3297768612-1">)</span><span·class="p">.</span></code></pre><p>Application-specific·records·are·defined·in·the·hrl·files·resulting·from |
| 143 | dictionary·file·compilation.</p><h2·id="module-data-types"·class="section-heading"> | 143 | dictionary·file·compilation.</p><h2·id="module-data-types"·class="section-heading"> |
| 144 | ··<a·href="#module-data-types"·class="hover-link"> | 144 | ··<a·href="#module-data-types"·class="hover-link"> |
| 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 146 | ··</a> | 146 | ··</a> |
| 147 | ··<span·class="text">DATA·TYPES</span> | 147 | ··<span·class="text">DATA·TYPES</span> |
| 148 | </h2> | 148 | </h2> |
| 149 | <ul><li><p><strong><code·class="inline"·id="integers">uint8() ·=·0..255</code></strong></p></li><li><p><strong><code·class="inline">uint24()·=·0..16777215</code></strong></p></li><li><p><strong><code·class="inline">uint32()·=·0..4294967295</code></strong>·-·8-bit,·24-bit·and·32-bit·integers·occurring | 149 | <ul><li><p><strong><code·class="inline"·id="integers">uint8() ·=·0..255</code></strong></p></li><li><p><strong><code·class="inline">uint24()·=·0..16777215</code></strong></p></li><li><p><strong><code·class="inline">uint32()·=·0..4294967295</code></strong>·-·8-bit,·24-bit·and·32-bit·integers·occurring |
| Offset 545, 15 lines modified | Offset 545, 15 lines modified | ||
| 545 | ······<p·class="built-using"> | 545 | ······<p·class="built-using"> |
| 546 | ········Built·using | 546 | ········Built·using |
| 547 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 547 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 548 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 548 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 549 | ······</p> | 549 | ······</p> |
| 550 | <p>Copyright·©·1996-202 | 550 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 551 | ····</footer> | 551 | ····</footer> |
| 552 | ··</div> | 552 | ··</div> |
| 553 | </main> | 553 | </main> |
| 554 | </div> | 554 | </div> |
| 555 | <script> | 555 | <script> |
| 556 | ··function·mermaidLoaded()·{ | 556 | ··function·mermaidLoaded()·{ |
| 557 | ····mermaid.initialize({ | 557 | ····mermaid.initialize({ |
| Offset 305, 37 lines modified | Offset 305, 37 lines modified | ||
| 305 | ("Derived·AVP·Data·Formats")·of·RFC·6733·are·encoded·as·values·of·the·types | 305 | ("Derived·AVP·Data·Formats")·of·RFC·6733·are·encoded·as·values·of·the·types |
| 306 | defined·here.·Values·are·passed·to·<a·href="diameter.html#call/4"><code·class="inline">diameter:call/4</code></a>·in·a·request·record·when | 306 | defined·here.·Values·are·passed·to·<a·href="diameter.html#call/4"><code·class="inline">diameter:call/4</code></a>·in·a·request·record·when |
| 307 | sending·a·request,·returned·in·a·resulting·answer·record·and·passed·to·a | 307 | sending·a·request,·returned·in·a·resulting·answer·record·and·passed·to·a |
| 308 | <a·href="diameter_app.html#c:handle_request/3">handle_request/3</a>·callback·upon·reception·of | 308 | <a·href="diameter_app.html#c:handle_request/3">handle_request/3</a>·callback·upon·reception·of |
| 309 | an·incoming·request.</p><p>In·cases·in·which·there·is·a·choice·between·string()·and·binary()·types·for | 309 | an·incoming·request.</p><p>In·cases·in·which·there·is·a·choice·between·string()·and·binary()·types·for |
| 310 | OctetString()·and·derived·types,·the·representation·is·determined·by·the·value | 310 | OctetString()·and·derived·types,·the·representation·is·determined·by·the·value |
| 311 | of·<a·href="diameter.html#service_opt">diameter:service_opt()</a> | 311 | of·<a·href="diameter.html#service_opt">diameter:service_opt()</a> |
| 312 | <a·href="diameter.html#string_decode">string_decode</a>.</p><p><em>Basic·AVP·Data·Formats</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">OctetString</span><span·class="p"·data-group-id=" | 312 | <a·href="diameter.html#string_decode">string_decode</a>.</p><p><em>Basic·AVP·Data·Formats</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">OctetString</span><span·class="p"·data-group-id="0754801094-1">(</span><span·class="p"·data-group-id="0754801094-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="0754801094-2">(</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·223,·SHA:·261e26dfe69d7c7ec8d874540b5a2d8e7f2436f591f5848659f140bd012e7b3a·...·]-3">)</span><span·class="w"> |
| 313 | </span><span·class="n">Integer32</span><span·class="p"·data-group-id=" | 313 | </span><span·class="n">Integer32</span><span·class="p"·data-group-id="0754801094-4">(</span><span·class="p"·data-group-id="0754801094-4">)</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="o">-</span><span·class="mi">2147483647</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">2147483647</span><span·class="w"> |
| 314 | </span><span·class="n">Integer64</span><span·class="p"·data-group-id=" | 314 | </span><span·class="n">Integer64</span><span·class="p"·data-group-id="0754801094-5">(</span><span·class="p"·data-group-id="0754801094-5">)</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="o">-</span><span·class="mi">9223372036854775807</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">9223372036854775807</span><span·class="w"> |
| 315 | </span><span·class="n">Unsigned32</span><span·class="p"·data-group-id=" | 315 | </span><span·class="n">Unsigned32</span><span·class="p"·data-group-id="0754801094-6">(</span><span·class="p"·data-group-id="0754801094-6">)</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">4294967295</span><span·class="w"> |
| 316 | </span><span·class="n">Unsigned64</span><span·class="p"·data-group-id=" | 316 | </span><span·class="n">Unsigned64</span><span·class="p"·data-group-id="0754801094-7">(</span><span·class="p"·data-group-id="0754801094-7">)</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">18446744073709551615</span><span·class="w"> |
| 317 | </span><span·class="n">Float32</span><span·class="p"·data-group-id=" | 317 | </span><span·class="n">Float32</span><span·class="p"·data-group-id="0754801094-8">(</span><span·class="p"·data-group-id="0754801094-8">)</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'-infinity'</span><span·class="w">·</span><span·class="p">|</span><span·class="w[·...·truncated·by·diffoscope;·len:·133,·SHA:·4ca87a067942a1b824cb222f09de57bd0b318ebe2569d9977186a405f2bf64db·...·]-9">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">infinity</span><span·class="w"> |
| 318 | </span><span·class="n">Float64</span><span·class="p"·data-group-id=" | 318 | </span><span·class="n">Float64</span><span·class="p"·data-group-id="0754801094-10">(</span><span·class="p"·data-group-id="0754801094-10">)</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'-infinity'</span><span·class="w">·</span><span·class="p">|</span><span·class=[·...·truncated·by·diffoscope;·len:·136,·SHA:·4428c23ae6ed9390205445402c132230b57bab2e0b1ed8b30eb5a515bbbb94fd·...·]-11">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">infinity</span><span·class="w"> |
| 319 | </span><span·class="n">Grouped</span><span·class="p"·data-group-id=" | 319 | </span><span·class="n">Grouped</span><span·class="p"·data-group-id="0754801094-12">(</span><span·class="p"·data-group-id="0754801094-12">)</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">record</span><span·class="p"·data-group-id="0754801094-13">(</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·58b02da0b6deaa0f193fc0545b97afe48f71a55ba9126397aa974612c1af6e8d·...·]-13">)</span></code></pre><p>On·encode,·an·OctetString()·can·be·specified·as·an·iolist(),·excessively·large |
| 320 | floats·(in·absolute·value)·are·equivalent·to·<code·class="inline">infinity</code>·or·<code·class="inline">'-infinity'</code>·and | 320 | floats·(in·absolute·value)·are·equivalent·to·<code·class="inline">infinity</code>·or·<code·class="inline">'-infinity'</code>·and |
| 321 | excessively·large·integers·result·in·encode·failure.·The·records·for·grouped | 321 | excessively·large·integers·result·in·encode·failure.·The·records·for·grouped |
| 322 | AVPs·are·as·discussed·in·the·previous·section.</p><p><em>Derived·AVP·Data·Formats</em></p><p><a·href=""·id="Address"></a></p><pre><code·class="text">Address()·=·OctetString() | 322 | AVPs·are·as·discussed·in·the·previous·section.</p><p><em>Derived·AVP·Data·Formats</em></p><p><a·href=""·id="Address"></a></p><pre><code·class="text">Address()·=·OctetString() |
| 323 | ··········|·tuple()</code></pre><p>On·encode,·an·OctetString()·IPv4·address·is·parsed·in·the·usual·x.x.x.x·format | 323 | ··········|·tuple()</code></pre><p>On·encode,·an·OctetString()·IPv4·address·is·parsed·in·the·usual·x.x.x.x·format |
| 324 | while·an·IPv6·address·is·parsed·in·any·of·the·formats·specified·by·section·2.2 | 324 | while·an·IPv6·address·is·parsed·in·any·of·the·formats·specified·by·section·2.2 |
| 325 | of·RFC·2373,·"Text·Representation·of·Addresses".·An·IPv4·tuple()·has·length·4 | 325 | of·RFC·2373,·"Text·Representation·of·Addresses".·An·IPv4·tuple()·has·length·4 |
| 326 | and·contains·values·of·type·0..255.·An·IPv6·tuple()·has·length·8·and·contains | 326 | and·contains·values·of·type·0..255.·An·IPv6·tuple()·has·length·8·and·contains |
| 327 | values·of·type·0..65535.·The·tuple·representation·is·used·on·decode.</p><p><a·href=""·id="Time"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Time</span><span·class="p"·data-group-id=" | 327 | values·of·type·0..65535.·The·tuple·representation·is·used·on·decode.</p><p><a·href=""·id="Time"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Time</span><span·class="p"·data-group-id="5118777297-1">(</span><span·class="p"·data-group-id="5118777297-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5118777297-2">{</span><span·class="nf">date</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·301,·SHA:·e7b1c5d442ce0b525ac9f4e7232c76846e3cd06f2221c4bee8130e371da6eb8f·...·]-2">}</span><span·class="w"> |
| 328 | </span><span·class="ss">where</span><span·class="w"> | 328 | </span><span·class="ss">where</span><span·class="w"> |
| 329 | ··</span><span·class="nf">date</span><span·class="p"·data-group-id=" | 329 | ··</span><span·class="nf">date</span><span·class="p"·data-group-id="5118777297-5">(</span><span·class="p"·data-group-id="5118777297-5">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5118777297-6">{</span><span·class="n">Year</span><span·class="p">,</span><span[·...·truncated·by·diffoscope;·len:·162,·SHA:·c11e6324adab3e52e5dcbd9f8291679f435c69112fba599567f2d6ee882d74de·...·]-6">}</span><span·class="w"> |
| 330 | ··</span><span·class="nf">time</span><span·class="p"·data-group-id=" | 330 | ··</span><span·class="nf">time</span><span·class="p"·data-group-id="5118777297-7">(</span><span·class="p"·data-group-id="5118777297-7">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5118777297-8">{</span><span·class="n">Hour</span><span·class="p">,</span><span[·...·truncated·by·diffoscope;·len:·166,·SHA:·dacb8e6a567ca360ff641ec2e40e1ce20a45d2ee2f347f26cce876cc0e1eedd8·...·]-8">}</span><span·class="w"> |
| 331 | ··</span><span·class="n">Year</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 331 | ··</span><span·class="n">Year</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5118777297-9">(</span><span·class="p"·data-group-id="5118777297-9">)</span><span·class="w"> |
| 332 | ··</span><span·class="n">Month</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">12</span><span·class="w"> | 332 | ··</span><span·class="n">Month</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">12</span><span·class="w"> |
| 333 | ··</span><span·class="n">Day</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">31</span><span·class="w"> | 333 | ··</span><span·class="n">Day</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">31</span><span·class="w"> |
| 334 | ··</span><span·class="n">Hour</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">23</span><span·class="w"> | 334 | ··</span><span·class="n">Hour</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">23</span><span·class="w"> |
| 335 | ··</span><span·class="n">Minute</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">59</span><span·class="w"> | 335 | ··</span><span·class="n">Minute</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">59</span><span·class="w"> |
| 336 | ··</span><span·class="n">Second</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">59</span></code></pre><p>Additionally,·values·that·can·be·encoded·are·limited·by·way·of·their·encoding·as | 336 | ··</span><span·class="n">Second</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</span><span·class="mi">59</span></code></pre><p>Additionally,·values·that·can·be·encoded·are·limited·by·way·of·their·encoding·as |
| 337 | four·octets·as·required·by·RFC·6733·with·the·required·extension·from·RFC·2030. | 337 | four·octets·as·required·by·RFC·6733·with·the·required·extension·from·RFC·2030. |
| 338 | In·particular,·only·values·between·<code·class="inline">{{1968,1,20},{3,14,8}}</code>·and | 338 | In·particular,·only·values·between·<code·class="inline">{{1968,1,20},{3,14,8}}</code>·and |
| Offset 355, 16 lines modified | Offset 355, 16 lines modified | ||
| 355 | ··FQDN·=·OctetString() | 355 | ··FQDN·=·OctetString() |
| 356 | ··Port·=·integer() | 356 | ··Port·=·integer() |
| 357 | ··Transport·=·sctp·|·tcp | 357 | ··Transport·=·sctp·|·tcp |
| 358 | ··Protocol··=·diameter·|·radius·|·'tacacs+'</code></pre><p>On·encode,·fields·port,·transport·and·protocol·default·to·3868,·sctp·and | 358 | ··Protocol··=·diameter·|·radius·|·'tacacs+'</code></pre><p>On·encode,·fields·port,·transport·and·protocol·default·to·3868,·sctp·and |
| 359 | diameter·respectively.·The·grammar·of·an·OctetString-valued·DiameterURI()·is·as | 359 | diameter·respectively.·The·grammar·of·an·OctetString-valued·DiameterURI()·is·as |
| 360 | specified·in·section·4.3·of·RFC·6733.·The·record·representation·is·used·on | 360 | specified·in·section·4.3·of·RFC·6733.·The·record·representation·is·used·on |
| 361 | decode.</p><p><a·href=""·id="Enumerated"></a></p><pre><code·class="text">Enumerated()·=·Integer32()</code></pre><p>On·encode,·values·can·be·specified·using·the·macros·defined·in·a·dictionary's | 361 | decode.</p><p><a·href=""·id="Enumerated"></a></p><pre><code·class="text">Enumerated()·=·Integer32()</code></pre><p>On·encode,·values·can·be·specified·using·the·macros·defined·in·a·dictionary's |
| 362 | hrl·file.</p><p><a·href=""·id="IPFilterRule"></a>·<a·href=""·id="QoSFilterRule"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">IPFilterRule</span><span·class="p"·data-group-id="5983414957-1">(</span><span·class="p"·data-group-id="5983414957-1">)</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OctetString</span><span·class="p"·data-group-id="5983414957-2">(</span><span·class="p"·data-group-id="5983414957-2">)</span><span·class="w"> | ||
| 363 | 362 | hrl·file.</p><p><a·href=""·id="IPFilterRule"></a>·<a·href=""·id="QoSFilterRule"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">IPFilterRule</span><span·class="p"·data-group-id="1601938636-1">(</span><span·class="p"·data-group-id="1[·...·truncated·by·diffoscope;·len:·248,·SHA:·8e973f7719d62c93186f9f85d75b9c4b30f91b5bb85f842bd030808e37c43f57·...·]"> | |
| 363 | </span><span·class="n">QoSFilterRule</span><span·class="p"·data-group-id="1601938636-3">(</span><span·class="p"·data-group-id="1601938636-3">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OctetString</span><span·class="p"·data-group-id="1601938636-4">(</span><span·class="p"·data-group-id="1601938636-4">)</span></code></pre><p>Values·of·these·types·are·not·currently·parsed·by·diameter.</p><h2·id="see-also"·class="section-heading"> | ||
| 364 | ··<a·href="#see-also"·class="hover-link"> | 364 | ··<a·href="#see-also"·class="hover-link"> |
| 365 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 365 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 366 | ··</a> | 366 | ··</a> |
| 367 | ··<span·class="text">SEE·ALSO</span> | 367 | ··<span·class="text">SEE·ALSO</span> |
| 368 | </h2> | 368 | </h2> |
| 369 | <p><a·href="diameterc_cmd.html">diameterc(1)</a>,·<a·href="diameter.html"><code·class="inline">diameter</code></a>,·<a·href="diameter_app.html"><code·class="inline">diameter_app</code></a>, | 369 | <p><a·href="diameterc_cmd.html">diameterc(1)</a>,·<a·href="diameter.html"><code·class="inline">diameter</code></a>,·<a·href="diameter_app.html"><code·class="inline">diameter_app</code></a>, |
| 370 | <a·href="diameter_codec.html"><code·class="inline">diameter_codec</code></a>,·<a·href="diameter_make.html"><code·class="inline">diameter_make</code></a></p> | 370 | <a·href="diameter_codec.html"><code·class="inline">diameter_codec</code></a>,·<a·href="diameter_make.html"><code·class="inline">diameter_make</code></a></p> |
| Offset 405, 15 lines modified | Offset 405, 15 lines modified | ||
| 405 | ······<p·class="built-using"> | 405 | ······<p·class="built-using"> |
| 406 | ········Built·using | 406 | ········Built·using |
| 407 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 407 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 408 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 408 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 409 | ······</p> | 409 | ······</p> |
| 410 | <p>Copyright·©·1996-202 | 410 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 411 | ····</footer> | 411 | ····</footer> |
| 412 | ··</div> | 412 | ··</div> |
| 413 | </main> | 413 | </main> |
| 414 | </div> | 414 | </div> |
| 415 | <script> | 415 | <script> |
| 416 | ··function·mermaidLoaded()·{ | 416 | ··function·mermaidLoaded()·{ |
| 417 | ····mermaid.initialize({ | 417 | ····mermaid.initialize({ |
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| 172 | ······<p·class="built-using"> | 172 | ······<p·class="built-using"> |
| 173 | ········Built·using | 173 | ········Built·using |
| 174 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 174 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 175 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 175 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 176 | ······</p> | 176 | ······</p> |
| 177 | <p>Copyright·©·1996-202 | 177 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 178 | ····</footer> | 178 | ····</footer> |
| 179 | ··</div> | 179 | ··</div> |
| 180 | </main> | 180 | </main> |
| 181 | </div> | 181 | </div> |
| 182 | <script> | 182 | <script> |
| 183 | ··function·mermaidLoaded()·{ | 183 | ··function·mermaidLoaded()·{ |
| 184 | ····mermaid.initialize({ | 184 | ····mermaid.initialize({ |
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| 200 | ······<p·class="built-using"> | 200 | ······<p·class="built-using"> |
| 201 | ········Built·using | 201 | ········Built·using |
| 202 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 202 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 203 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 203 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 204 | ······</p> | 204 | ······</p> |
| 205 | <p>Copyright·©·1996-202 | 205 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 206 | ····</footer> | 206 | ····</footer> |
| 207 | ··</div> | 207 | ··</div> |
| 208 | </main> | 208 | </main> |
| 209 | </div> | 209 | </div> |
| 210 | <script> | 210 | <script> |
| 211 | ··function·mermaidLoaded()·{ | 211 | ··function·mermaidLoaded()·{ |
| 212 | ····mermaid.initialize({ | 212 | ····mermaid.initialize({ |
| Offset 519, 15 lines modified | Offset 519, 15 lines modified | ||
| 519 | ······<p·class="built-using"> | 519 | ······<p·class="built-using"> |
| 520 | ········Built·using | 520 | ········Built·using |
| 521 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 521 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 522 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 522 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 523 | ······</p> | 523 | ······</p> |
| 524 | <p>Copyright·©·1996-202 | 524 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 525 | ····</footer> | 525 | ····</footer> |
| 526 | ··</div> | 526 | ··</div> |
| 527 | </main> | 527 | </main> |
| 528 | </div> | 528 | </div> |
| 529 | <script> | 529 | <script> |
| 530 | ··function·mermaidLoaded()·{ | 530 | ··function·mermaidLoaded()·{ |
| 531 | ····mermaid.initialize({ | 531 | ····mermaid.initialize({ |
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| 437 | ······<p·class="built-using"> | 437 | ······<p·class="built-using"> |
| 438 | ········Built·using | 438 | ········Built·using |
| 439 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 439 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 440 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 440 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 441 | ······</p> | 441 | ······</p> |
| 442 | <p>Copyright·©·1996-202 | 442 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 443 | ····</footer> | 443 | ····</footer> |
| 444 | ··</div> | 444 | ··</div> |
| 445 | </main> | 445 | </main> |
| 446 | </div> | 446 | </div> |
| 447 | <script> | 447 | <script> |
| 448 | ··function·mermaidLoaded()·{ | 448 | ··function·mermaidLoaded()·{ |
| 449 | ····mermaid.initialize({ | 449 | ····mermaid.initialize({ |
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| 214 | ······<p·class="built-using"> | 214 | ······<p·class="built-using"> |
| 215 | ········Built·using | 215 | ········Built·using |
| 216 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 216 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 217 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 217 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 218 | ······</p> | 218 | ······</p> |
| 219 | <p>Copyright·©·1996-202 | 219 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 220 | ····</footer> | 220 | ····</footer> |
| 221 | ··</div> | 221 | ··</div> |
| 222 | </main> | 222 | </main> |
| 223 | </div> | 223 | </div> |
| 224 | <script> | 224 | <script> |
| 225 | ··function·mermaidLoaded()·{ | 225 | ··function·mermaidLoaded()·{ |
| 226 | ····mermaid.initialize({ | 226 | ····mermaid.initialize({ |
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| 186 | ······<p·class="built-using"> | 186 | ······<p·class="built-using"> |
| 187 | ········Built·using | 187 | ········Built·using |
| 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 190 | ······</p> | 190 | ······</p> |
| 191 | <p>Copyright·©·1996-202 | 191 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 192 | ····</footer> | 192 | ····</footer> |
| 193 | ··</div> | 193 | ··</div> |
| 194 | </main> | 194 | </main> |
| 195 | </div> | 195 | </div> |
| 196 | <script> | 196 | <script> |
| 197 | ··function·mermaidLoaded()·{ | 197 | ··function·mermaidLoaded()·{ |
| 198 | ····mermaid.initialize({ | 198 | ····mermaid.initialize({ |
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| 472 | ······<p·class="built-using"> | 472 | ······<p·class="built-using"> |
| 473 | ········Built·using | 473 | ········Built·using |
| 474 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 474 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 475 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 475 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 476 | ······</p> | 476 | ······</p> |
| 477 | <p>Copyright·©·1996-202 | 477 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 478 | ····</footer> | 478 | ····</footer> |
| 479 | ··</div> | 479 | ··</div> |
| 480 | </main> | 480 | </main> |
| 481 | </div> | 481 | </div> |
| 482 | <script> | 482 | <script> |
| 483 | ··function·mermaidLoaded()·{ | 483 | ··function·mermaidLoaded()·{ |
| 484 | ····mermaid.initialize({ | 484 | ····mermaid.initialize({ |
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| 317 | ······<p·class="built-using"> | 317 | ······<p·class="built-using"> |
| 318 | ········Built·using | 318 | ········Built·using |
| 319 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 319 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 320 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 320 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 321 | ······</p> | 321 | ······</p> |
| 322 | <p>Copyright·©·1996-202 | 322 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 323 | ····</footer> | 323 | ····</footer> |
| 324 | ··</div> | 324 | ··</div> |
| 325 | </main> | 325 | </main> |
| 326 | </div> | 326 | </div> |
| 327 | <script> | 327 | <script> |
| 328 | ··function·mermaidLoaded()·{ | 328 | ··function·mermaidLoaded()·{ |
| 329 | ····mermaid.initialize({ | 329 | ····mermaid.initialize({ |
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| 172 | ······<p·class="built-using"> | 172 | ······<p·class="built-using"> |
| 173 | ········Built·using | 173 | ········Built·using |
| 174 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 174 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 175 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 175 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 176 | ······</p> | 176 | ······</p> |
| 177 | <p>Copyright·©·1996-202 | 177 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 178 | ····</footer> | 178 | ····</footer> |
| 179 | ··</div> | 179 | ··</div> |
| 180 | </main> | 180 | </main> |
| 181 | </div> | 181 | </div> |
| 182 | <script> | 182 | <script> |
| 183 | ··function·mermaidLoaded()·{ | 183 | ··function·mermaidLoaded()·{ |
| 184 | ····mermaid.initialize({ | 184 | ····mermaid.initialize({ |
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| 127 | <p>Compile·a·diameter·dictionary·to·Erlang·source.</p><h2·id="synopsis"·class="section-heading"> | 127 | <p>Compile·a·diameter·dictionary·to·Erlang·source.</p><h2·id="synopsis"·class="section-heading"> |
| 128 | ··<a·href="#synopsis"·class="hover-link"> | 128 | ··<a·href="#synopsis"·class="hover-link"> |
| 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 130 | ··</a> | 130 | ··</a> |
| 131 | ··<span·class="text">Synopsis</span> | 131 | ··<span·class="text">Synopsis</span> |
| 132 | </h2> | 132 | </h2> |
| 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="ss">diameterc</span><span·class="w">·</span><span·class="p"·data-group-id=" | 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="ss">diameterc</span><span·class="w">·</span><span·class="p"·data-group-id="5161045534-1">[</span><span·class="o"><</span><span·class="ss">options</span><span·class="o">></span><span·class="p"·data-group-id="5161045534-1">]</span><span·class="w">·</span><span·class="o"><</span><span·class="ss">file</span><span·class="o">></span></code></pre><h2·id="description"·class="section-heading"> |
| 134 | ··<a·href="#description"·class="hover-link"> | 134 | ··<a·href="#description"·class="hover-link"> |
| 135 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 135 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 136 | ··</a> | 136 | ··</a> |
| 137 | ··<span·class="text">Description</span> | 137 | ··<span·class="text">Description</span> |
| 138 | </h2> | 138 | </h2> |
| 139 | <p>The·diameterc·utility·is·used·to·compile·a·diameter | 139 | <p>The·diameterc·utility·is·used·to·compile·a·diameter |
| 140 | <a·href="diameter_dict.html">dictionary·file</a>·into·Erlang·source.·The·resulting·source | 140 | <a·href="diameter_dict.html">dictionary·file</a>·into·Erlang·source.·The·resulting·source |
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| 199 | ······<p·class="built-using"> | 199 | ······<p·class="built-using"> |
| 200 | ········Built·using | 200 | ········Built·using |
| 201 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 201 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 202 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 202 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 203 | ······</p> | 203 | ······</p> |
| 204 | <p>Copyright·©·1996-202 | 204 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 205 | ····</footer> | 205 | ····</footer> |
| 206 | ··</div> | 206 | ··</div> |
| 207 | </main> | 207 | </main> |
| 208 | </div> | 208 | </div> |
| 209 | <script> | 209 | <script> |
| 210 | ··function·mermaidLoaded()·{ | 210 | ··function·mermaidLoaded()·{ |
| 211 | ····mermaid.initialize({ | 211 | ····mermaid.initialize({ |
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| 1358 | ······<p·class="built-using"> | 1358 | ······<p·class="built-using"> |
| 1359 | ········Built·using | 1359 | ········Built·using |
| 1360 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1360 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1361 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1361 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1362 | ······</p> | 1362 | ······</p> |
| 1363 | <p>Copyright·©·1996-202 | 1363 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1364 | ····</footer> | 1364 | ····</footer> |
| 1365 | ··</div> | 1365 | ··</div> |
| 1366 | </main> | 1366 | </main> |
| 1367 | </div> | 1367 | </div> |
| 1368 | <script> | 1368 | <script> |
| 1369 | ··function·mermaidLoaded()·{ | 1369 | ··function·mermaidLoaded()·{ |
| 1370 | ····mermaid.initialize({ | 1370 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 139 | ······<p·class="built-using"> | 139 | ······<p·class="built-using"> |
| 140 | ········Built·using | 140 | ········Built·using |
| 141 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 141 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 142 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 142 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 143 | ······</p> | 143 | ······</p> |
| 144 | <p>Copyright·©·1996-202 | 144 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 145 | ····</footer> | 145 | ····</footer> |
| 146 | ··</div> | 146 | ··</div> |
| 147 | </main> | 147 | </main> |
| 148 | </div> | 148 | </div> |
| 149 | <script> | 149 | <script> |
| 150 | ··function·mermaidLoaded()·{ | 150 | ··function·mermaidLoaded()·{ |
| 151 | ····mermaid.initialize({ | 151 | ····mermaid.initialize({ |
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| 258 | ······<p·class="built-using"> | 258 | ······<p·class="built-using"> |
| 259 | ········Built·using | 259 | ········Built·using |
| 260 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 260 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 261 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 261 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 262 | ······</p> | 262 | ······</p> |
| 263 | <p>Copyright·©·1996-202 | 263 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 264 | ····</footer> | 264 | ····</footer> |
| 265 | ··</div> | 265 | ··</div> |
| 266 | </main> | 266 | </main> |
| 267 | </div> | 267 | </div> |
| 268 | <script> | 268 | <script> |
| 269 | ··function·mermaidLoaded()·{ | 269 | ··function·mermaidLoaded()·{ |
| 270 | ····mermaid.initialize({ | 270 | ····mermaid.initialize({ |
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| 833 | ······<p·class="built-using"> | 833 | ······<p·class="built-using"> |
| 834 | ········Built·using | 834 | ········Built·using |
| 835 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 835 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 836 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 836 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 837 | ······</p> | 837 | ······</p> |
| 838 | <p>Copyright·©·1996-202 | 838 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 839 | ····</footer> | 839 | ····</footer> |
| 840 | ··</div> | 840 | ··</div> |
| 841 | </main> | 841 | </main> |
| 842 | </div> | 842 | </div> |
| 843 | <script> | 843 | <script> |
| 844 | ··function·mermaidLoaded()·{ | 844 | ··function·mermaidLoaded()·{ |
| 845 | ····mermaid.initialize({ | 845 | ····mermaid.initialize({ |
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| 232 | ······<p·class="built-using"> | 232 | ······<p·class="built-using"> |
| 233 | ········Built·using | 233 | ········Built·using |
| 234 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 234 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 235 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 235 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 236 | ······</p> | 236 | ······</p> |
| 237 | <p>Copyright·©·1996-202 | 237 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 238 | ····</footer> | 238 | ····</footer> |
| 239 | ··</div> | 239 | ··</div> |
| 240 | </main> | 240 | </main> |
| 241 | </div> | 241 | </div> |
| 242 | <script> | 242 | <script> |
| 243 | ··function·mermaidLoaded()·{ | 243 | ··function·mermaidLoaded()·{ |
| 244 | ····mermaid.initialize({ | 244 | ····mermaid.initialize({ |
| Offset 1341, 15 lines modified | Offset 1341, 15 lines modified | ||
| 1341 | ······<p·class="built-using"> | 1341 | ······<p·class="built-using"> |
| 1342 | ········Built·using | 1342 | ········Built·using |
| 1343 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1343 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1344 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1344 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1345 | ······</p> | 1345 | ······</p> |
| 1346 | <p>Copyright·©·1996-202 | 1346 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1347 | ····</footer> | 1347 | ····</footer> |
| 1348 | ··</div> | 1348 | ··</div> |
| 1349 | </main> | 1349 | </main> |
| 1350 | </div> | 1350 | </div> |
| 1351 | <script> | 1351 | <script> |
| 1352 | ··function·mermaidLoaded()·{ | 1352 | ··function·mermaidLoaded()·{ |
| 1353 | ····mermaid.initialize({ | 1353 | ····mermaid.initialize({ |
| Offset 183, 15 lines modified | Offset 183, 15 lines modified | ||
| 183 | ······<p·class="built-using"> | 183 | ······<p·class="built-using"> |
| 184 | ········Built·using | 184 | ········Built·using |
| 185 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 185 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 186 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 186 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 187 | ······</p> | 187 | ······</p> |
| 188 | <p>Copyright·©·1996-202 | 188 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 189 | ····</footer> | 189 | ····</footer> |
| 190 | ··</div> | 190 | ··</div> |
| 191 | </main> | 191 | </main> |
| 192 | </div> | 192 | </div> |
| 193 | <script> | 193 | <script> |
| 194 | ··function·mermaidLoaded()·{ | 194 | ··function·mermaidLoaded()·{ |
| 195 | ····mermaid.initialize({ | 195 | ····mermaid.initialize({ |
| Offset 428, 15 lines modified | Offset 428, 15 lines modified | ||
| 428 | ······<p·class="built-using"> | 428 | ······<p·class="built-using"> |
| 429 | ········Built·using | 429 | ········Built·using |
| 430 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 430 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 431 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 431 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 432 | ······</p> | 432 | ······</p> |
| 433 | <p>Copyright·©·1996-202 | 433 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 434 | ····</footer> | 434 | ····</footer> |
| 435 | ··</div> | 435 | ··</div> |
| 436 | </main> | 436 | </main> |
| 437 | </div> | 437 | </div> |
| 438 | <script> | 438 | <script> |
| 439 | ··function·mermaidLoaded()·{ | 439 | ··function·mermaidLoaded()·{ |
| 440 | ····mermaid.initialize({ | 440 | ····mermaid.initialize({ |
| Offset 212, 15 lines modified | Offset 212, 15 lines modified | ||
| 212 | ······<p·class="built-using"> | 212 | ······<p·class="built-using"> |
| 213 | ········Built·using | 213 | ········Built·using |
| 214 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 214 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 215 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 215 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 216 | ······</p> | 216 | ······</p> |
| 217 | <p>Copyright·©·1996-202 | 217 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 218 | ····</footer> | 218 | ····</footer> |
| 219 | ··</div> | 219 | ··</div> |
| 220 | </main> | 220 | </main> |
| 221 | </div> | 221 | </div> |
| 222 | <script> | 222 | <script> |
| 223 | ··function·mermaidLoaded()·{ | 223 | ··function·mermaidLoaded()·{ |
| 224 | ····mermaid.initialize({ | 224 | ····mermaid.initialize({ |
| Offset 124, 16 lines modified | Offset 124, 16 lines modified | ||
| 124 | ····<span·translate="no">edoc_doclet_markdown</span>· | 124 | ····<span·translate="no">edoc_doclet_markdown</span>· |
| 125 | ····<small·class="app-vsn"·translate="no">(edoc·v1.3.2)</small> | 125 | ····<small·class="app-vsn"·translate="no">(edoc·v1.3.2)</small> |
| 126 | ··</h1> | 126 | ··</h1> |
| 127 | ····<section·id="moduledoc"> | 127 | ····<section·id="moduledoc"> |
| 128 | <p>Doclet·converting·an·edoc·application·to·use·<a·href="https://www.erlang.org/eeps/eep-0059">EEP-59</a>·and·Markdown.</p><p>This·doclet·has·to·be·used·together·with·<a·href="edoc_layout_chunks.html"><code>edoc_layout_chunks</code></a>.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">edoc</span><span·class="p">:</span><span·class="nf">application</span><span·class="p"·data-group-id="1252289975-1">(</span><span·class="ss">example</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1252289975-2">[</span><span·class="p"·data-group-id="1252289975-3">{</span><span·class="ss">preprocess</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="1252289975-3">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1252289975-4">{</span><span·class="ss">doclet</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">edoc_doclet_markdown</span><span·class="p"·data-group-id="1252289975-4">}</span><span·class="p">,</span><span·class="w"> | ||
| 129 | 128 | <p>Doclet·converting·an·edoc·application·to·use·<a·href="https://www.erlang.org/eeps/eep-0059">EEP-59</a>·and·Markdown.</p><p>This·doclet·has·to·be·used·together·with·<a·href="edoc_layout_chunks.html"><code>edoc_layout_chunks</code></a>.</p><p>Example:</p>[·...·truncated·by·diffoscope;·len:·951,·SHA:·3394d99aaa32dffc938f581f895f138837e2aa2a91f13eed3a8b4ed8c0735488·...·]> | |
| 129 | ·······</span><span·class="p"·data-group-id="9828869471-5">{</span><span·class="ss">layout</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">edoc_layout_chunks</span><span·class="p"·data-group-id="9828869471-5">}</span><span·class="p"·data-group-id="9828869471-2">]</span><span·class="p"·data-group-id="9828869471-1">)</span><span·class="p">.</span></code></pre><p>It·will·convert·the·overview·to·Markdown·and·any·module·documentation·to·use·<code>-doc</code>·attributes·and·Markdown.·Any·XHTML·tags·in·the·edoc·documentation·that·are·not·part·of·the·tags·supported·by·<a·href="doc_storage.html#erlang-documentation-format">Erlang·Documentation·Format</a>·will·be·added·as·HTML·tags·in·the·Markdown.</p><p>It·does·not·delete·the·old·edoc·documentation.</p><p><em>See·also:·</em><a·href="edoc_layout_chunks.html">edoc_layout_chunks</a>.</p> | ||
| 130 | ····</section> | 130 | ····</section> |
| 131 | </div> | 131 | </div> |
| 132 | ··<section·id="summary"·class="details-list"> | 132 | ··<section·id="summary"·class="details-list"> |
| 133 | ····<h1·class="section-heading"> | 133 | ····<h1·class="section-heading"> |
| 134 | ······<a·class="hover-link"·href="#summary"> | 134 | ······<a·class="hover-link"·href="#summary"> |
| Offset 213, 15 lines modified | Offset 213, 15 lines modified | ||
| 213 | ······<p·class="built-using"> | 213 | ······<p·class="built-using"> |
| 214 | ········Built·using | 214 | ········Built·using |
| 215 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 215 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 216 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 216 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 217 | ······</p> | 217 | ······</p> |
| 218 | <p>Copyright·©·1996-202 | 218 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 219 | ····</footer> | 219 | ····</footer> |
| 220 | ··</div> | 220 | ··</div> |
| 221 | </main> | 221 | </main> |
| 222 | </div> | 222 | </div> |
| 223 | <script> | 223 | <script> |
| 224 | ··function·mermaidLoaded()·{ | 224 | ··function·mermaidLoaded()·{ |
| 225 | ····mermaid.initialize({ | 225 | ····mermaid.initialize({ |
| Offset 627, 15 lines modified | Offset 627, 15 lines modified | ||
| 627 | ······<p·class="built-using"> | 627 | ······<p·class="built-using"> |
| 628 | ········Built·using | 628 | ········Built·using |
| 629 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 629 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 630 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 630 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 631 | ······</p> | 631 | ······</p> |
| 632 | <p>Copyright·©·1996-202 | 632 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 633 | ····</footer> | 633 | ····</footer> |
| 634 | ··</div> | 634 | ··</div> |
| 635 | </main> | 635 | </main> |
| 636 | </div> | 636 | </div> |
| 637 | <script> | 637 | <script> |
| 638 | ··function·mermaidLoaded()·{ | 638 | ··function·mermaidLoaded()·{ |
| 639 | ····mermaid.initialize({ | 639 | ····mermaid.initialize({ |
| Offset 213, 15 lines modified | Offset 213, 15 lines modified | ||
| 213 | ······<p·class="built-using"> | 213 | ······<p·class="built-using"> |
| 214 | ········Built·using | 214 | ········Built·using |
| 215 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 215 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 216 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 216 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 217 | ······</p> | 217 | ······</p> |
| 218 | <p>Copyright·©·1996-202 | 218 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 219 | ····</footer> | 219 | ····</footer> |
| 220 | ··</div> | 220 | ··</div> |
| 221 | </main> | 221 | </main> |
| 222 | </div> | 222 | </div> |
| 223 | <script> | 223 | <script> |
| 224 | ··function·mermaidLoaded()·{ | 224 | ··function·mermaidLoaded()·{ |
| 225 | ····mermaid.initialize({ | 225 | ····mermaid.initialize({ |
| Offset 391, 15 lines modified | Offset 391, 15 lines modified | ||
| 391 | ······<p·class="built-using"> | 391 | ······<p·class="built-using"> |
| 392 | ········Built·using | 392 | ········Built·using |
| 393 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 393 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 394 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 394 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 395 | ······</p> | 395 | ······</p> |
| 396 | <p>Copyright·©·1996-202 | 396 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 397 | ····</footer> | 397 | ····</footer> |
| 398 | ··</div> | 398 | ··</div> |
| 399 | </main> | 399 | </main> |
| 400 | </div> | 400 | </div> |
| 401 | <script> | 401 | <script> |
| 402 | ··function·mermaidLoaded()·{ | 402 | ··function·mermaidLoaded()·{ |
| 403 | ····mermaid.initialize({ | 403 | ····mermaid.initialize({ |
| Offset 716, 15 lines modified | Offset 716, 15 lines modified | ||
| 716 | ······<p·class="built-using"> | 716 | ······<p·class="built-using"> |
| 717 | ········Built·using | 717 | ········Built·using |
| 718 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 718 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 719 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 719 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 720 | ······</p> | 720 | ······</p> |
| 721 | <p>Copyright·©·1996-202 | 721 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 722 | ····</footer> | 722 | ····</footer> |
| 723 | ··</div> | 723 | ··</div> |
| 724 | </main> | 724 | </main> |
| 725 | </div> | 725 | </div> |
| 726 | <script> | 726 | <script> |
| 727 | ··function·mermaidLoaded()·{ | 727 | ··function·mermaidLoaded()·{ |
| 728 | ····mermaid.initialize({ | 728 | ····mermaid.initialize({ |
| Offset 431, 15 lines modified | Offset 431, 15 lines modified | ||
| 431 | ······<p·class="built-using"> | 431 | ······<p·class="built-using"> |
| 432 | ········Built·using | 432 | ········Built·using |
| 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 435 | ······</p> | 435 | ······</p> |
| 436 | <p>Copyright·©·1996-202 | 436 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 437 | ····</footer> | 437 | ····</footer> |
| 438 | ··</div> | 438 | ··</div> |
| 439 | </main> | 439 | </main> |
| 440 | </div> | 440 | </div> |
| 441 | <script> | 441 | <script> |
| 442 | ··function·mermaidLoaded()·{ | 442 | ··function·mermaidLoaded()·{ |
| 443 | ····mermaid.initialize({ | 443 | ····mermaid.initialize({ |
| Offset 346, 15 lines modified | Offset 346, 15 lines modified | ||
| 346 | ······<p·class="built-using"> | 346 | ······<p·class="built-using"> |
| 347 | ········Built·using | 347 | ········Built·using |
| 348 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 348 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 349 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 349 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 350 | ······</p> | 350 | ······</p> |
| 351 | <p>Copyright·©·1996-202 | 351 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 352 | ····</footer> | 352 | ····</footer> |
| 353 | ··</div> | 353 | ··</div> |
| 354 | </main> | 354 | </main> |
| 355 | </div> | 355 | </div> |
| 356 | <script> | 356 | <script> |
| 357 | ··function·mermaidLoaded()·{ | 357 | ··function·mermaidLoaded()·{ |
| 358 | ····mermaid.initialize({ | 358 | ····mermaid.initialize({ |
| Offset 852, 15 lines modified | Offset 852, 15 lines modified | ||
| 852 | ······<p·class="built-using"> | 852 | ······<p·class="built-using"> |
| 853 | ········Built·using | 853 | ········Built·using |
| 854 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 854 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 855 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 855 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 856 | ······</p> | 856 | ······</p> |
| 857 | <p>Copyright·©·1996-202 | 857 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 858 | ····</footer> | 858 | ····</footer> |
| 859 | ··</div> | 859 | ··</div> |
| 860 | </main> | 860 | </main> |
| 861 | </div> | 861 | </div> |
| 862 | <script> | 862 | <script> |
| 863 | ··function·mermaidLoaded()·{ | 863 | ··function·mermaidLoaded()·{ |
| 864 | ····mermaid.initialize({ | 864 | ····mermaid.initialize({ |
| Offset 137, 15 lines modified | Offset 137, 15 lines modified | ||
| 137 | ······<p·class="built-using"> | 137 | ······<p·class="built-using"> |
| 138 | ········Built·using | 138 | ········Built·using |
| 139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 141 | ······</p> | 141 | ······</p> |
| 142 | <p>Copyright·©·1996-202 | 142 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 143 | ····</footer> | 143 | ····</footer> |
| 144 | ··</div> | 144 | ··</div> |
| 145 | </main> | 145 | </main> |
| 146 | </div> | 146 | </div> |
| 147 | <script> | 147 | <script> |
| 148 | ··function·mermaidLoaded()·{ | 148 | ··function·mermaidLoaded()·{ |
| 149 | ····mermaid.initialize({ | 149 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 181, 15 lines modified | Offset 181, 15 lines modified | ||
| 181 | ······<p·class="built-using"> | 181 | ······<p·class="built-using"> |
| 182 | ········Built·using | 182 | ········Built·using |
| 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 185 | ······</p> | 185 | ······</p> |
| 186 | <p>Copyright·©·1996-202 | 186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 187 | ····</footer> | 187 | ····</footer> |
| 188 | ··</div> | 188 | ··</div> |
| 189 | </main> | 189 | </main> |
| 190 | </div> | 190 | </div> |
| 191 | <script> | 191 | <script> |
| 192 | ··function·mermaidLoaded()·{ | 192 | ··function·mermaidLoaded()·{ |
| 193 | ····mermaid.initialize({ | 193 | ····mermaid.initialize({ |
| Offset 951, 21 lines modified | Offset 951, 21 lines modified | ||
| 951 | ·················Dn·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), | 951 | ·················Dn·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), |
| 952 | ·················Attributes·::·[<a·href="#t:attribute/0">attribute</a>()], | 952 | ·················Attributes·::·[<a·href="#t:attribute/0">attribute</a>()], |
| 953 | ·················Refs·::·{referral,·<a·href="#t:referrals/0">referrals</a>()}, | 953 | ·················Refs·::·{referral,·<a·href="#t:referrals/0">referrals</a>()}, |
| 954 | ·················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 954 | ·················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 955 | ······</div> | 955 | ······</div> |
| 956 | <p>Add·an·entry.·The·entry·must·not·exist.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nf">add</span><span·class="p"·data-group-id=" | 956 | <p>Add·an·entry.·The·entry·must·not·exist.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nf">add</span><span·class="p"·data-group-id="9774491921-1">(</span><span·class="n">Handle</span><span·class="p">,</span><span·class="w"> |
| 957 | ······</span><span·class="s">"cn=Bill·Valentine,·ou=people,·o=Example·Org,·dc=example,·dc=com"</span><span·class="p">,</span><span·class="w"> | 957 | ······</span><span·class="s">"cn=Bill·Valentine,·ou=people,·o=Example·Org,·dc=example,·dc=com"</span><span·class="p">,</span><span·class="w"> |
| 958 | ·······</span><span·class="p"·data-group-id=" | 958 | ·······</span><span·class="p"·data-group-id="9774491921-2">[</span><span·class="p"·data-group-id="9774491921-3">{</span><span·class="s">"objectclass"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9774491921-4">[</span><span·class="s">"person"[·...·truncated·by·diffoscope;·len:·101,·SHA:·bd3c23a60ee8159fc036f3ef365c8f0f2bca089d62fffc6b5dc1003d87ef0131·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 959 | ········</span><span·class="p"·data-group-id=" | 959 | ········</span><span·class="p"·data-group-id="9774491921-5">{</span><span·class="s">"cn"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9774491921-6">[</span><span·class="s">"Bill·Valentine"</span><span·class="p"·data-group-id="9774491921-6">]<[·...·truncated·by·diffoscope;·len:·47,·SHA:·b0fe61ff00f8626a2615525fbce051a1d148a15fae2ca1db45e5533303287006·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 960 | ········</span><span·class="p"·data-group-id=" | 960 | ········</span><span·class="p"·data-group-id="9774491921-7">{</span><span·class="s">"sn"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9774491921-8">[</span><span·class="s">"Valentine"</span><span·class="p"·data-group-id="9774491921-8">]</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·d7c408658fbe7c16f00fa7de969891cf42f85933d1493ddffe9966468173c9c8·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 961 | ········</span><span·class="p"·data-group-id=" | 961 | ········</span><span·class="p"·data-group-id="9774491921-9">{</span><span·class="s">"telephoneNumber"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9774491921-10">[</span><span·class="s">"545·555·00"</span><span·class="p"·data-group-id="977449[·...·truncated·by·diffoscope;·len:·111,·SHA:·da7213f16025f92a94a738714aa2321facb0161c048aabd31dc03f4247a3aa23·...·]-2">]</span><span·class="w"> |
| 962 | ·····</span><span·class="p"·data-group-id=" | 962 | ·····</span><span·class="p"·data-group-id="9774491921-1">)</span></code></pre> |
| 963 | ··</section> | 963 | ··</section> |
| 964 | </section> | 964 | </section> |
| 965 | <section·class="detail"·id="and/1"> | 965 | <section·class="detail"·id="and/1"> |
| 966 | ··<div·class="detail-header"> | 966 | ··<div·class="detail-header"> |
| 967 | ····<a·href="#and/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 967 | ····<a·href="#and/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 968 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 968 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1249, 15 lines modified | Offset 1249, 15 lines modified | ||
| 1249 | ·····························OptionalAttrs·:: | 1249 | ·····························OptionalAttrs·:: |
| 1250 | ·································[{matchingRule,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()}·| | 1250 | ·································[{matchingRule,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()}·| |
| 1251 | ··································{type,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()}·| | 1251 | ··································{type,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()}·| |
| 1252 | ··································{dnAttributes,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()}].</pre> | 1252 | ··································{dnAttributes,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()}].</pre> |
| 1253 | ······</div> | 1253 | ······</div> |
| 1254 | <p>Creates·an·extensible·match·filter.·For·example,</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">extensibleMatch</span><span·class="p"·data-group-id=" | 1254 | <p>Creates·an·extensible·match·filter.·For·example,</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">extensibleMatch</span><span·class="p"·data-group-id="2891576873-1">(</span><span·class="s">"Bar"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2891576873-2">[</span><span·class="p"·data-group-id="2891576873-3">{</span><span·class="ss">type</span><span·class="p[·...·truncated·by·diffoscope;·len:·457,·SHA:·af5d66391a69ab3b377f980bf6e098bb2861969d8f1946dad2eec00fd9410b70·...·]-1">)</span><span·class="p">)</span></code></pre><p>creates·a·filter·which·performs·a·<code·class="inline">caseExactMatch</code>·on·the·attribute·<code·class="inline">sn</code>·and |
| 1255 | matches·with·the·value·<code·class="inline">"Bar"</code>.·The·default·value·of·<code·class="inline">dnAttributes</code>·is·<code·class="inline">false</code>.</p> | 1255 | matches·with·the·value·<code·class="inline">"Bar"</code>.·The·default·value·of·<code·class="inline">dnAttributes</code>·is·<code·class="inline">false</code>.</p> |
| 1256 | ··</section> | 1256 | ··</section> |
| 1257 | </section> | 1257 | </section> |
| 1258 | <section·class="detail"·id="greaterOrEqual/2"> | 1258 | <section·class="detail"·id="greaterOrEqual/2"> |
| 1259 | ··<div·class="detail-header"> | 1259 | ··<div·class="detail-header"> |
| 1260 | ····<a·href="#greaterOrEqual/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1260 | ····<a·href="#greaterOrEqual/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1453, 17 lines modified | Offset 1453, 17 lines modified | ||
| 1453 | ····················Dn·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), | 1453 | ····················Dn·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), |
| 1454 | ····················ModifyOps·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()], | 1454 | ····················ModifyOps·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()], |
| 1455 | ····················Refs·::·{referral,·<a·href="#t:referrals/0">referrals</a>()}, | 1455 | ····················Refs·::·{referral,·<a·href="#t:referrals/0">referrals</a>()}, |
| 1456 | ····················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1456 | ····················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1457 | ······</div> | 1457 | ······</div> |
| 1458 | <p>Modify·an·entry.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nf">modify</span><span·class="p"·data-group-id=" | 1458 | <p>Modify·an·entry.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nf">modify</span><span·class="p"·data-group-id="1674314129-1">(</span><span·class="n">Handle</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"cn=Bill·Valentine,·ou=people,·o=Example·Org,·dc=example,·dc=com"</span><span·class="p">,</span><span·class="w"> |
| 1459 | ·········</span><span·class="p"·data-group-id="0172785349-2">[</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">mod_replace</span><span·class="p"·data-group-id="0172785349-3">(</span><span·class="s">"telephoneNumber"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0172785349-4">[</span><span·class="s">"555·555·00"</span><span·class="p"·data-group-id="0172785349-4">]</span><span·class="p"·data-group-id="0172785349-3">)</span><span·class="p">,</span><span·class="w"> | ||
| 1460 | 1459 | ·········</span><span·class="p"·data-group-id="1674314129-2">[</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">mod_replace</span><span·class="p"·data-group-id="1674314129-3">(</span><span·class="s">"telephoneNumber"</s[·...·truncated·by·diffoscope;·len:·295,·SHA:·c5dffef65109ea768c1b9fb9370a76b4b2f2e665d8430269d52e99f066419fc0·...·]> | |
| 1460 | » ··</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">mod_add</span><span·class="p"·data-group-id="1674314129-5">(</span><span·class="s">"description"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1674314129-6">[</span><span·class="s">"LDAP·Hacker"</span><span·class="p"·data-group-id="1674314129-6">]</span><span·class="p"·data-group-id="1674314129-5">)</span><span·class="w">·</span><span·class="p"·data-group-id="1674314129-2">]</span><span·class="p"·data-group-id="1674314129-1">)</span></code></pre> | ||
| 1461 | ··</section> | 1461 | ··</section> |
| 1462 | </section> | 1462 | </section> |
| 1463 | <section·class="detail"·id="modify_dn/5"> | 1463 | <section·class="detail"·id="modify_dn/5"> |
| 1464 | ··<div·class="detail-header"> | 1464 | ··<div·class="detail-header"> |
| 1465 | ····<a·href="#modify_dn/5"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1465 | ····<a·href="#modify_dn/5"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1466 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1466 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1757, 16 lines modified | Offset 1757, 16 lines modified | ||
| 1757 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·paged_result_control(PageSize)·->·{control,·ControlOID,·true,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()} | 1757 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·paged_result_control(PageSize)·->·{control,·ControlOID,·true,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()} |
| 1758 | ······························when·PageSize·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·ControlOID·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>().</pre> | 1758 | ······························when·PageSize·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·ControlOID·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>().</pre> |
| 1759 | ······</div> | 1759 | ······</div> |
| 1760 | <p>Paged·results·is·an·extension·to·the·LDAP·protocol·specified·by·RFC2696</p><p>This·function·creates·a·control·with·the·specified·page·size·for·use·in | 1760 | <p>Paged·results·is·an·extension·to·the·LDAP·protocol·specified·by·RFC2696</p><p>This·function·creates·a·control·with·the·specified·page·size·for·use·in |
| 1761 | <code·class="inline">search/3</code>,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Control</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">paged_result_control</span><span·class="p"·data-group-id=" | 1761 | <code·class="inline">search/3</code>,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Control</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">paged_result_control</span><span·class="p"·data-group-id="3960084052-1">(</span><span·class="mi">50</span><span·class="p"·data-group-id="3960084052-1">)</span><span·class="p">,</span><span·class="w"> |
| 1762 | </span><span·class="p"·data-group-id=" | 1762 | </span><span·class="p"·data-group-id="3960084052-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SearchResults</span><span·class="p"·data-group-id="3960084052-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·727,·SHA:·952a7a6cba3c6294d30e4f88b0ef7f0b45e4dfa8bbde3eb729c2db238464dd21·...·]-3">)</span><span·class="p">,</span></code></pre> |
| 1763 | ··</section> | 1763 | ··</section> |
| 1764 | </section> | 1764 | </section> |
| 1765 | <section·class="detail"·id="paged_result_control/2"> | 1765 | <section·class="detail"·id="paged_result_control/2"> |
| 1766 | ··<div·class="detail-header"> | 1766 | ··<div·class="detail-header"> |
| 1767 | ····<a·href="#paged_result_control/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1767 | ····<a·href="#paged_result_control/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1768 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1768 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1789, 20 lines modified | Offset 1789, 20 lines modified | ||
| 1789 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·paged_result_control(PageSize,·Cookie)·->·{control,·ControlOID,·true,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()} | 1789 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·paged_result_control(PageSize,·Cookie)·->·{control,·ControlOID,·true,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()} |
| 1790 | ······························when·PageSize·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·Cookie·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(),·ControlOID·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>().</pre> | 1790 | ······························when·PageSize·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·Cookie·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(),·ControlOID·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>().</pre> |
| 1791 | ······</div> | 1791 | ······</div> |
| 1792 | <p>Paged·results·is·an·extension·to·the·LDAP·protocol·specified·by·RFC2696</p><p>This·function·creates·a·control·with·the·specified·page·size·and·cookie·for·use | 1792 | <p>Paged·results·is·an·extension·to·the·LDAP·protocol·specified·by·RFC2696</p><p>This·function·creates·a·control·with·the·specified·page·size·and·cookie·for·use |
| 1793 | in·<code·class="inline">search/3</code>·to·retrieve·the·next·results·page.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">PageSize</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">50</span><span·class="p">,</span><span·class="w"> | 1793 | in·<code·class="inline">search/3</code>·to·retrieve·the·next·results·page.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">PageSize</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">50</span><span·class="p">,</span><span·class="w"> |
| 1794 | </span><span·class="n">Control1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">paged_result_control</span><span·class="p"·data-group-id=" | 1794 | </span><span·class="n">Control1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">paged_result_control</span><span·class="p"·data-group-id="9595469764-1">(</span><span·class="n">PageSize</span><span·class="p"·data-group-id="9595469764-1">)</span><span·class="p">,</span><span·class="w"> |
| 1795 | </span><span·class="p"·data-group-id=" | 1795 | </span><span·class="p"·data-group-id="9595469764-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SearchResults1</span><span·class="p"·data-group-id="9595469764-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·729,·SHA:·9394577d8e93a9369d09ebc73a85403cc410366387228e83ec153b3e1d8d62cd·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 1796 | </span><span·class="c1">%%·retrieve·the·returned·cookie·from·the·search·results</span><span·class="w"> | 1796 | </span><span·class="c1">%%·retrieve·the·returned·cookie·from·the·search·results</span><span·class="w"> |
| 1797 | </span><span·class="p"·data-group-id=" | 1797 | </span><span·class="p"·data-group-id="9595469764-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cookie1</span><span·class="p"·data-group-id="9595469764-7">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·222,·SHA:·ed52ee238f49aa638164ecd86a6f6eb07bdded45eac4967c3075d3b1c08107cc·...·]-8">)</span><span·class="p">,</span><span·class="w"> |
| 1798 | </span><span·class="n">Control2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">paged_result_control</span><span·class="p"·data-group-id=" | 1798 | </span><span·class="n">Control2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">paged_result_control</span><span·class="p"·data-group-id="9595469764-9">(</span><span·class="n">PageSize</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cookie1</span><span·class="p"·data-group-id="9595469764-9">)</span><span·class="p">,</span><span·class="w"> |
| 1799 | </span><span·class="p"·data-group-id=" | 1799 | </span><span·class="p"·data-group-id="9595469764-10">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SearchResults2</span><span·class="p"·data-group-id="9595469764-10">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·790,·SHA:·dfa6427afbf856b1f18a0d4fd0538889637cccab400dd51376525dba73531fff·...·]-11">)</span><span·class="p">,</span><span·class="w"> |
| 1800 | </span><span·class="c1">%%·etc</span></code></pre> | 1800 | </span><span·class="c1">%%·etc</span></code></pre> |
| 1801 | ··</section> | 1801 | ··</section> |
| 1802 | </section> | 1802 | </section> |
| 1803 | <section·class="detail"·id="paged_result_cookie/1"> | 1803 | <section·class="detail"·id="paged_result_cookie/1"> |
| 1804 | ··<div·class="detail-header"> | 1804 | ··<div·class="detail-header"> |
| 1805 | ····<a·href="#paged_result_cookie/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1805 | ····<a·href="#paged_result_cookie/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1908, 16 lines modified | Offset 1908, 16 lines modified | ||
| 1908 | ····················Refs·::·{referral,·<a·href="#t:referrals/0">referrals</a>()}, | 1908 | ····················Refs·::·{referral,·<a·href="#t:referrals/0">referrals</a>()}, |
| 1909 | ····················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1909 | ····················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1910 | ······</div> | 1910 | ······</div> |
| 1911 | <p>Search·the·directory·with·the·supplied·the·SearchOptions.</p><p>The·base·and·filter | 1911 | <p>Search·the·directory·with·the·supplied·the·SearchOptions.</p><p>The·base·and·filter |
| 1912 | options·must·be·supplied.·Default·values:·scope·is·<a·href="#wholeSubtree/0"><code·class="inline">wholeSubtree/0</code></a>,·deref·is | 1912 | options·must·be·supplied.·Default·values:·scope·is·<a·href="#wholeSubtree/0"><code·class="inline">wholeSubtree/0</code></a>,·deref·is |
| 1913 | <a·href="#derefAlways/0"><code·class="inline">derefAlways/0</code></a>,·types_only·is·<code·class="inline">false</code>·and·timeout·is·<code·class="inline">0</code>·(meaning·infinity).</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="n">Filter</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">substrings</span><span·class="p"·data-group-id=" | 1913 | <a·href="#derefAlways/0"><code·class="inline">derefAlways/0</code></a>,·types_only·is·<code·class="inline">false</code>·and·timeout·is·<code·class="inline">0</code>·(meaning·infinity).</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="n">Filter</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">eldap</span><span·class="p">:</span><span·class="nf">substrings</span><span·class="p"·data-group-id="3283748951-1">(</span><span·class="s">"cn"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3283748951-2">[</span><span·class="p"·data-group-id="3283748951-3">{</span><span·class="ss">any</span><span·class="p">[·...·truncated·by·diffoscope;·len:·191,·SHA:·517168c7b449d648cdd6df32eb5d1292e3c945190fe51eda3dfec7a89bd33ae1·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 1914 | ··</span><span·class="nf">search</span><span·class="p"·data-group-id=" | 1914 | ··</span><span·class="nf">search</span><span·class="p"·data-group-id="3283748951-4">(</span><span·class="n">Handle</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3283748951-5">[</span><span·class="p"·data-group-id="3283748951-6">{</span><span·class="ss">base</span><span·class="p">,</span[·...·truncated·by·diffoscope;·len:·865,·SHA:·29a1432bddaedbfa5b36667c88be502193c7601a8bc24bffffc45dcc49999de2·...·]-4">)</span><span·class="p">,</span></code></pre><p>The·<code·class="inline">timeout</code>·option·in·the·<code·class="inline">SearchOptions</code>·is·for·the·ldap·server,·while·the |
| 1915 | timeout·in·<a·href="#open/2">eldap:open/2</a>·is·used·for·each·individual·request·in·the | 1915 | timeout·in·<a·href="#open/2">eldap:open/2</a>·is·used·for·each·individual·request·in·the |
| 1916 | search·operation.</p> | 1916 | search·operation.</p> |
| 1917 | ··</section> | 1917 | ··</section> |
| 1918 | </section> | 1918 | </section> |
| 1919 | <section·class="detail"·id="simple_bind/3"> | 1919 | <section·class="detail"·id="simple_bind/3"> |
| 1920 | ··<div·class="detail-header"> | 1920 | ··<div·class="detail-header"> |
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| 2137 | ······<p·class="built-using"> | 2137 | ······<p·class="built-using"> |
| 2138 | ········Built·using | 2138 | ········Built·using |
| 2139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2141 | ······</p> | 2141 | ······</p> |
| 2142 | <p>Copyright·©·1996-202 | 2142 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2143 | ····</footer> | 2143 | ····</footer> |
| 2144 | ··</div> | 2144 | ··</div> |
| 2145 | </main> | 2145 | </main> |
| 2146 | </div> | 2146 | </div> |
| 2147 | <script> | 2147 | <script> |
| 2148 | ··function·mermaidLoaded()·{ | 2148 | ··function·mermaidLoaded()·{ |
| 2149 | ····mermaid.initialize({ | 2149 | ····mermaid.initialize({ |
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| 511 | ······<p·class="built-using"> | 511 | ······<p·class="built-using"> |
| 512 | ········Built·using | 512 | ········Built·using |
| 513 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 513 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 514 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 514 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 515 | ······</p> | 515 | ······</p> |
| 516 | <p>Copyright·©·1996-202 | 516 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 517 | ····</footer> | 517 | ····</footer> |
| 518 | ··</div> | 518 | ··</div> |
| 519 | </main> | 519 | </main> |
| 520 | </div> | 520 | </div> |
| 521 | <script> | 521 | <script> |
| 522 | ··function·mermaidLoaded()·{ | 522 | ··function·mermaidLoaded()·{ |
| 523 | ····mermaid.initialize({ | 523 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 131 | ······<p·class="built-using"> | 131 | ······<p·class="built-using"> |
| 132 | ········Built·using | 132 | ········Built·using |
| 133 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 133 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 134 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 134 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 135 | ······</p> | 135 | ······</p> |
| 136 | <p>Copyright·©·1996-202 | 136 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 137 | ····</footer> | 137 | ····</footer> |
| 138 | ··</div> | 138 | ··</div> |
| 139 | </main> | 139 | </main> |
| 140 | </div> | 140 | </div> |
| 141 | <script> | 141 | <script> |
| 142 | ··function·mermaidLoaded()·{ | 142 | ··function·mermaidLoaded()·{ |
| 143 | ····mermaid.initialize({ | 143 | ····mermaid.initialize({ |
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| 1023 | ······<p·class="built-using"> | 1023 | ······<p·class="built-using"> |
| 1024 | ········Built·using | 1024 | ········Built·using |
| 1025 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1025 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1026 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1026 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1027 | ······</p> | 1027 | ······</p> |
| 1028 | <p>Copyright·©·1996-202 | 1028 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1029 | ····</footer> | 1029 | ····</footer> |
| 1030 | ··</div> | 1030 | ··</div> |
| 1031 | </main> | 1031 | </main> |
| 1032 | </div> | 1032 | </div> |
| 1033 | <script> | 1033 | <script> |
| 1034 | ··function·mermaidLoaded()·{ | 1034 | ··function·mermaidLoaded()·{ |
| 1035 | ····mermaid.initialize({ | 1035 | ····mermaid.initialize({ |
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| 871 | ······<p·class="built-using"> | 871 | ······<p·class="built-using"> |
| 872 | ········Built·using | 872 | ········Built·using |
| 873 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 873 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 874 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 874 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 875 | ······</p> | 875 | ······</p> |
| 876 | <p>Copyright·©·1996-202 | 876 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 877 | ····</footer> | 877 | ····</footer> |
| 878 | ··</div> | 878 | ··</div> |
| 879 | </main> | 879 | </main> |
| 880 | </div> | 880 | </div> |
| 881 | <script> | 881 | <script> |
| 882 | ··function·mermaidLoaded()·{ | 882 | ··function·mermaidLoaded()·{ |
| 883 | ····mermaid.initialize({ | 883 | ····mermaid.initialize({ |
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| 200 | ······<p·class="built-using"> | 200 | ······<p·class="built-using"> |
| 201 | ········Built·using | 201 | ········Built·using |
| 202 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 202 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 203 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 203 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 204 | ······</p> | 204 | ······</p> |
| 205 | <p>Copyright·©·1996-202 | 205 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 206 | ····</footer> | 206 | ····</footer> |
| 207 | ··</div> | 207 | ··</div> |
| 208 | </main> | 208 | </main> |
| 209 | </div> | 209 | </div> |
| 210 | <script> | 210 | <script> |
| 211 | ··function·mermaidLoaded()·{ | 211 | ··function·mermaidLoaded()·{ |
| 212 | ····mermaid.initialize({ | 212 | ····mermaid.initialize({ |
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| 425 | ······<p·class="built-using"> | 425 | ······<p·class="built-using"> |
| 426 | ········Built·using | 426 | ········Built·using |
| 427 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 427 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 428 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 428 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 429 | ······</p> | 429 | ······</p> |
| 430 | <p>Copyright·©·1996-202 | 430 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 431 | ····</footer> | 431 | ····</footer> |
| 432 | ··</div> | 432 | ··</div> |
| 433 | </main> | 433 | </main> |
| 434 | </div> | 434 | </div> |
| 435 | <script> | 435 | <script> |
| 436 | ··function·mermaidLoaded()·{ | 436 | ··function·mermaidLoaded()·{ |
| 437 | ····mermaid.initialize({ | 437 | ····mermaid.initialize({ |
| Offset 247, 16 lines modified | Offset 247, 16 lines modified | ||
| 247 | ·{<madonna@chivas.du.etx.ericsson.se,17,0>, | 247 | ·{<madonna@chivas.du.etx.ericsson.se,17,0>, |
| 248 | ··················{registered_name,code_server}}, | 248 | ··················{registered_name,code_server}}, |
| 249 | ·{<madonna@chivas.du.etx.ericsson.se,20,0>, | 249 | ·{<madonna@chivas.du.etx.ericsson.se,20,0>, |
| 250 | ··················{registered_name,user}}, | 250 | ··················{registered_name,user}}, |
| 251 | ·{<madonna@chivas.du.etx.ericsson.se,38,0>, | 251 | ·{<madonna@chivas.du.etx.ericsson.se,38,0>, |
| 252 | ··················[]}]</code></pre><p>To·forward·standard·output·without·printing·the·result·term·(<em>again,·the·input | 252 | ··················[]}]</code></pre><p>To·forward·standard·output·without·printing·the·result·term·(<em>again,·the·input |
| 253 | ends·with·EOF·(Control-D)</em>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">erl_call</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">s</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">e</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">sname</span><span·class="w">·</span><span·class="ss">madonna</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">fetch_stdout</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">no_result_term</span><span·class="w"> | 253 | ends·with·EOF·(Control-D)</em>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">erl_call</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">s</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">e</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">sname</span><span·class="w">·</span><span·class="ss">madonna</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">fetch_stdout</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">no_result_term</span><span·class="w"> |
| 254 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 254 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="8591713464-1">(</span><span·class="s">"Number·of·schedulers:·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8591713464-2">[</span><[·...·truncated·by·diffoscope;·len:·321,·SHA:·bb5234364b2f0dada84b072cf2e7e37be6825b36e2b81b4feba4ea97f06bb38b·...·]4-1">)</span><span·class="p">,</span><span·class="w"> |
| 255 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 255 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="8591713464-4">(</span><span·class="s">"Number·of·logical·cores:·</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8591713464-5">[</spa[·...·truncated·by·diffoscope;·len:·342,·SHA:·2977b194062461dfdefcd5b666bbb0da52e44c11fbac2981e165c6b729bcbc47·...·]4-4">)</span><span·class="p">.</span><span·class="w"> |
| 256 | </span><span·class="err">^</span><span·class="n">D</span><span·class="w"> | 256 | </span><span·class="err">^</span><span·class="n">D</span><span·class="w"> |
| 257 | </span><span·class="n">Number</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="nc">schedulers</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">8</span><span·class="w"> | 257 | </span><span·class="n">Number</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="nc">schedulers</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">8</span><span·class="w"> |
| 258 | </span><span·class="n">Number</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">logical</span><span·class="w">·</span><span·class="nc">cores</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">8</span></code></pre> | 258 | </span><span·class="n">Number</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">logical</span><span·class="w">·</span><span·class="nc">cores</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">8</span></code></pre> |
| 259 | </div> | 259 | </div> |
| 260 | <div·class="bottom-actions"·id="bottom-actions"> | 260 | <div·class="bottom-actions"·id="bottom-actions"> |
| 261 | ··<div·class="bottom-actions-item"> | 261 | ··<div·class="bottom-actions-item"> |
| Offset 302, 15 lines modified | Offset 302, 15 lines modified | ||
| 302 | ······<p·class="built-using"> | 302 | ······<p·class="built-using"> |
| 303 | ········Built·using | 303 | ········Built·using |
| 304 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 304 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 305 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 305 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 306 | ······</p> | 306 | ······</p> |
| 307 | <p>Copyright·©·1996-202 | 307 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 308 | ····</footer> | 308 | ····</footer> |
| 309 | ··</div> | 309 | ··</div> |
| 310 | </main> | 310 | </main> |
| 311 | </div> | 311 | </div> |
| 312 | <script> | 312 | <script> |
| 313 | ··function·mermaidLoaded()·{ | 313 | ··function·mermaidLoaded()·{ |
| 314 | ····mermaid.initialize({ | 314 | ····mermaid.initialize({ |
| Offset 1803, 15 lines modified | Offset 1803, 15 lines modified | ||
| 1803 | ······<p·class="built-using"> | 1803 | ······<p·class="built-using"> |
| 1804 | ········Built·using | 1804 | ········Built·using |
| 1805 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1805 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1806 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1806 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1807 | ······</p> | 1807 | ······</p> |
| 1808 | <p>Copyright·©·1996-202 | 1808 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1809 | ····</footer> | 1809 | ····</footer> |
| 1810 | ··</div> | 1810 | ··</div> |
| 1811 | </main> | 1811 | </main> |
| 1812 | </div> | 1812 | </div> |
| 1813 | <script> | 1813 | <script> |
| 1814 | ··function·mermaidLoaded()·{ | 1814 | ··function·mermaidLoaded()·{ |
| 1815 | ····mermaid.initialize({ | 1815 | ····mermaid.initialize({ |
| Offset 131, 15 lines modified | Offset 131, 15 lines modified | ||
| 131 | ······<p·class="built-using"> | 131 | ······<p·class="built-using"> |
| 132 | ········Built·using | 132 | ········Built·using |
| 133 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 133 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 134 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 134 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 135 | ······</p> | 135 | ······</p> |
| 136 | <p>Copyright·©·1996-202 | 136 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 137 | ····</footer> | 137 | ····</footer> |
| 138 | ··</div> | 138 | ··</div> |
| 139 | </main> | 139 | </main> |
| 140 | </div> | 140 | </div> |
| 141 | <script> | 141 | <script> |
| 142 | ··function·mermaidLoaded()·{ | 142 | ··function·mermaidLoaded()·{ |
| 143 | ····mermaid.initialize({ | 143 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 208, 15 lines modified | Offset 208, 15 lines modified | ||
| 208 | ······<p·class="built-using"> | 208 | ······<p·class="built-using"> |
| 209 | ········Built·using | 209 | ········Built·using |
| 210 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 210 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 211 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 211 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 212 | ······</p> | 212 | ······</p> |
| 213 | <p>Copyright·©·1996-202 | 213 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 214 | ····</footer> | 214 | ····</footer> |
| 215 | ··</div> | 215 | ··</div> |
| 216 | </main> | 216 | </main> |
| 217 | </div> | 217 | </div> |
| 218 | <script> | 218 | <script> |
| 219 | ··function·mermaidLoaded()·{ | 219 | ··function·mermaidLoaded()·{ |
| 220 | ····mermaid.initialize({ | 220 | ····mermaid.initialize({ |
| Offset 536, 15 lines modified | Offset 536, 15 lines modified | ||
| 536 | ······<p·class="built-using"> | 536 | ······<p·class="built-using"> |
| 537 | ········Built·using | 537 | ········Built·using |
| 538 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 538 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 539 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 539 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 540 | ······</p> | 540 | ······</p> |
| 541 | <p>Copyright·©·1996-202 | 541 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 542 | ····</footer> | 542 | ····</footer> |
| 543 | ··</div> | 543 | ··</div> |
| 544 | </main> | 544 | </main> |
| 545 | </div> | 545 | </div> |
| 546 | <script> | 546 | <script> |
| 547 | ··function·mermaidLoaded()·{ | 547 | ··function·mermaidLoaded()·{ |
| 548 | ····mermaid.initialize({ | 548 | ····mermaid.initialize({ |
| Offset 1473, 15 lines modified | Offset 1473, 15 lines modified | ||
| 1473 | ······<p·class="built-using"> | 1473 | ······<p·class="built-using"> |
| 1474 | ········Built·using | 1474 | ········Built·using |
| 1475 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1475 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1476 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1476 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1477 | ······</p> | 1477 | ······</p> |
| 1478 | <p>Copyright·©·1996-202 | 1478 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1479 | ····</footer> | 1479 | ····</footer> |
| 1480 | ··</div> | 1480 | ··</div> |
| 1481 | </main> | 1481 | </main> |
| 1482 | </div> | 1482 | </div> |
| 1483 | <script> | 1483 | <script> |
| 1484 | ··function·mermaidLoaded()·{ | 1484 | ··function·mermaidLoaded()·{ |
| 1485 | ····mermaid.initialize({ | 1485 | ····mermaid.initialize({ |
| Offset 134, 41 lines modified | Offset 134, 41 lines modified | ||
| 134 | <p>The·two·major·components·of·the·<code·class="inline">Event·Tracer·(ET)</code>·tool·is·a·graphical·sequence | 134 | <p>The·two·major·components·of·the·<code·class="inline">Event·Tracer·(ET)</code>·tool·is·a·graphical·sequence |
| 135 | chart·viewer·(<code·class="inline">et_viewer</code>)·and·its·backing·storage·(<code·class="inline">et_collector</code>).·One | 135 | chart·viewer·(<code·class="inline">et_viewer</code>)·and·its·backing·storage·(<code·class="inline">et_collector</code>).·One |
| 136 | <code·class="inline">Collector</code>·may·be·used·as·backing·storage·for·several·simultaneous·<code·class="inline">Viewers</code> | 136 | <code·class="inline">Collector</code>·may·be·used·as·backing·storage·for·several·simultaneous·<code·class="inline">Viewers</code> |
| 137 | where·each·one·may·display·a·different·view·of·the·same·trace·data.</p><p>The·interface·between·the·<code·class="inline">Collector</code>·and·its·<code·class="inline">Viewers</code>·is·public·in·order·to | 137 | where·each·one·may·display·a·different·view·of·the·same·trace·data.</p><p>The·interface·between·the·<code·class="inline">Collector</code>·and·its·<code·class="inline">Viewers</code>·is·public·in·order·to |
| 138 | enable·other·types·of·<code·class="inline">Viewers</code>.·However·in·the·following·text·we·will·focus·on | 138 | enable·other·types·of·<code·class="inline">Viewers</code>.·However·in·the·following·text·we·will·focus·on |
| 139 | usage·of·the·<code·class="inline">et_viewer</code>.</p><p>The·main·start·function·is·<a·href="et_viewer.html#start/1"><code·class="inline">et_viewer:start/1</code></a>.·By·default·it·will·start·both·an | 139 | usage·of·the·<code·class="inline">et_viewer</code>.</p><p>The·main·start·function·is·<a·href="et_viewer.html#start/1"><code·class="inline">et_viewer:start/1</code></a>.·By·default·it·will·start·both·an |
| 140 | <code·class="inline">et_collector</code>·and·an·<code·class="inline">et_viewer</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-pa·et/examples</span><span·class="w"> | 140 | <code·class="inline">et_collector</code>·and·an·<code·class="inline">et_viewer</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-pa·et/examples</span><span·class="w"> |
| 141 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R13B03</span><span·class="w">·</span><span·class="p"·data-group-id=" | 141 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R13B03</span><span·class="w">·</span><span·class="p"·data-group-id="3693146077-1">(</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">5.7</span><span·class="p">.</span><span·class="mi">4</span><span·class="p"·data-group-id="3693146077-1">)</span><span·class="w">·</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·1130,·SHA:·572e47bda5ac86c20f12527a8ccd9f1a6efaebffe91a44663616feb5f37e84ec·...·]-6">]</span><span·class="w"> |
| 142 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">7.4</span><span·class="w">··</span><span·class="p"·data-group-id=" | 142 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">7.4</span><span·class="w">··</span><span·class="p"·data-group-id="3693146077-7">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="3693146077-7">)</span><span·class="gp·unselectable"> |
| 143 | 1>·</span><span·class="p"·data-group-id=" | 143 | 1>·</span><span·class="p"·data-group-id="3693146077-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Viewer</span><span·class="p"·data-group-id="3693146077-8">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·282,·SHA:·84f38b7451262619dd51ed6d0c8aa9826cc992b0952ffc66278afafa891a282a·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="p"·data-group-id=" | 144 | </span><span·class="p"·data-group-id="3693146077-11">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.40</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="3693146077-11">}</span></code></pre><p>A·<code·class="inline">Viewer</code>·gets·trace·<code·class="inline">Events</code>·from·its·<code·class="inline">Collector</code>·by·polling·it·regularly·for |
| 145 | more·<code·class="inline">Events</code>·to·display.·<code·class="inline">Events</code>·are·for·example·reported·to·the·<code·class="inline">Collector</code> | 145 | more·<code·class="inline">Events</code>·to·display.·<code·class="inline">Events</code>·are·for·example·reported·to·the·<code·class="inline">Collector</code> |
| 146 | with·<a·href="et_collector.html#report_event/6"><code·class="inline">et_collector:report_event/6</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="n">Collector</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">get_collector_pid</span><span·class="p"·data-group-id=" | 146 | with·<a·href="et_collector.html#report_event/6"><code·class="inline">et_collector:report_event/6</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="n">Collector</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">get_collector_pid</span><span·class="p"·data-group-id="5960435254-1">(</span><span·class="n">Viewer</span><span·class="p"·data-group-id="5960435254-1">)</span><span·class="p">.</span><span·class="w"> |
| 147 | </span><span·class="o"><</span><span·class="mf">0.39</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> | 147 | </span><span·class="o"><</span><span·class="mf">0.39</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> |
| 148 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 148 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="5960435254-2">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">60</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_tm</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start_outer</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 149 | 3>·</span><span·class="w">··························</span><span·class="s">"Start·outer·transaction"</span><span·class="p"·data-group-id=" | 149 | 3>·</span><span·class="w">··························</span><span·class="s">"Start·outer·transaction"</span><span·class="p"·data-group-id="5960435254-2">)</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 150 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 150 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="5960435254-3">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">40</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_tm</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">new_tid</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 151 | 3>·</span><span·class="w">··························</span><span·class="s">"New·transaction·id·is·4711"</span><span·class="p"·data-group-id=" | 151 | 3>·</span><span·class="w">··························</span><span·class="s">"New·transaction·id·is·4711"</span><span·class="p"·data-group-id="5960435254-3">)</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 152 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 152 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="5960435254-4">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">20</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_locker</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">try_write_lock</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 153 | 3>·</span><span·class="w">··························</span><span·class="s">"Acquire·write·lock·for·{my_tab,·key}"</span><span·class="p"·data-group-id=" | 153 | 3>·</span><span·class="w">··························</span><span·class="s">"Acquire·write·lock·for·{my_tab,·key}"</span><span·class="p"·data-group-id="5960435254-4">)</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 154 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 154 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="5960435254-5">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">10</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_locker</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">granted</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 155 | 3>·</span><span·class="w">··························</span><span·class="s">"You·got·the·write·lock·for·{my_tab,·key}"</span><span·class="p"·data-group-id=" | 155 | 3>·</span><span·class="w">··························</span><span·class="s">"You·got·the·write·lock·for·{my_tab,·key}"</span><span·class="p"·data-group-id="5960435254-5">)</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 156 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 156 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="5960435254-6">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">60</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">do_commit</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 157 | 3>·</span><span·class="w">··························</span><span·class="s">"Perform··transaction·commit"</span><span·class="p"·data-group-id=" | 157 | 3>·</span><span·class="w">··························</span><span·class="s">"Perform··transaction·commit"</span><span·class="p"·data-group-id="5960435254-6">)</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 158 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 158 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="5960435254-7">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">40</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_locker</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">release_tid</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 159 | 3>·</span><span·class="w">··························</span><span·class="s">"Release·all·locks·for·transaction·4711"</span><span·class="p"·data-group-id=" | 159 | 3>·</span><span·class="w">··························</span><span·class="s">"Release·all·locks·for·transaction·4711"</span><span·class="p"·data-group-id="5960435254-7">)</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 160 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 160 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="5960435254-8">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">60</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_tm</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">delete_transaction</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 161 | 3>·</span><span·class="w">··························</span><span·class="s">"End·of·outer·transaction"</span><span·class="p"·data-group-id=" | 161 | 3>·</span><span·class="w">··························</span><span·class="s">"End·of·outer·transaction"</span><span·class="p"·data-group-id="5960435254-8">)</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 162 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 162 | 3>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="5960435254-9">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">20</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">end_outer</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 163 | 3>·</span><span·class="w">··························</span><span·class="s">"Transaction·returned·{atomic,·ok}"</span><span·class="p"·data-group-id=" | 163 | 3>·</span><span·class="w">··························</span><span·class="s">"Transaction·returned·{atomic,·ok}"</span><span·class="p"·data-group-id="5960435254-9">)</span><span·class="p">.</span><span·class="w"> |
| 164 | </span><span·class="p"·data-group-id=" | 164 | </span><span·class="p"·data-group-id="5960435254-10">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="5960435254-11">{</span><span·class="ss">table_handle</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.39</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="mi">16402</span><span·class="p">,</span><span·class="ss">trace_ts</span><span·class="p">,</span><span·class="w"> |
| 165 | ·····</span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">et_collector</span><span·class="p">.</span><span·class="mf">0.62831470</span><span·class="o">></span><span·class="p"·data-group-id=" | 165 | ·····</span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">et_collector</span><span·class="p">.</span><span·class="mf">0.62831470</span><span·class="o">></span><span·class="p"·data-group-id="5960435254-11">}</span><span·class="p"·data-group-id="5960435254-10">}</span></code></pre><p>This·actually·is·a·simulation·of·the·process·<code·class="inline">Events</code>·caused·by·a·<code·class="inline">Mnesia</code> |
| 166 | transaction·that·writes·a·record·in·a·local·table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="3 | 166 | transaction·that·writes·a·record·in·a·local·table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="7366481022-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="7366481022-2">(</span><span·class="p"·data-group-id="7366481022-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">mnesia</[·...·truncated·by·diffoscope;·len:·541,·SHA:·5e288c45d36d2d1970ec9291fc74827f12c99344b4cfdbebde01f1d33e39d061·...·]-1">)</span><span·class="p">.</span></code></pre><p>At·this·stage·when·we·have·a·couple·of·<code·class="inline">Events</code>,·it·is·time·to·show·how·it·looks |
| 167 | like·in·the·graphical·interface·of·<code·class="inline">et_viewer</code>:</p><p><img·src="assets/sim_trans.png"·alt="A·simulated·Mnesia·transaction·which·writes·one·record"·title="A·simulated·Mnesia·transaction·which·writes·one·record"/></p><p>In·the·sequence·chart,·the·actors·(which·symbolically·has·performed·the·<code·class="inline">Event</code>) | 167 | like·in·the·graphical·interface·of·<code·class="inline">et_viewer</code>:</p><p><img·src="assets/sim_trans.png"·alt="A·simulated·Mnesia·transaction·which·writes·one·record"·title="A·simulated·Mnesia·transaction·which·writes·one·record"/></p><p>In·the·sequence·chart,·the·actors·(which·symbolically·has·performed·the·<code·class="inline">Event</code>) |
| 168 | are·shown·as·named·vertical·bars.·The·order·of·the·actors·may·be·altered·by | 168 | are·shown·as·named·vertical·bars.·The·order·of·the·actors·may·be·altered·by |
| 169 | dragging·(hold·mouse·button·1·pressed·during·the·operation)·the·name·tag·of·an | 169 | dragging·(hold·mouse·button·1·pressed·during·the·operation)·the·name·tag·of·an |
| 170 | actor·and·drop·it·elsewhere:</p><p><img·src="assets/sim_trans_move_actor.png"·alt="Two·actors·has·switched·places"·title="Two·actors·has·switched·places"/></p><p>An·<code·class="inline">Event</code>·may·be·an·action·performed·by·one·single·actor·(blue·text·label)·or | 170 | actor·and·drop·it·elsewhere:</p><p><img·src="assets/sim_trans_move_actor.png"·alt="Two·actors·has·switched·places"·title="Two·actors·has·switched·places"/></p><p>An·<code·class="inline">Event</code>·may·be·an·action·performed·by·one·single·actor·(blue·text·label)·or |
| 171 | it·may·involve·two·actors·and·is·then·depicted·as·an·arrow·directed·from·one | 171 | it·may·involve·two·actors·and·is·then·depicted·as·an·arrow·directed·from·one |
| 172 | actor·to·another·(red·text·label).·Details·of·an·<code·class="inline">Event</code>·can·be·shown·by | 172 | actor·to·another·(red·text·label).·Details·of·an·<code·class="inline">Event</code>·can·be·shown·by |
| 173 | clicking·(press·and·release·the·mouse·button·1)·on·the·event·label·text·or·on | 173 | clicking·(press·and·release·the·mouse·button·1)·on·the·event·label·text·or·on |
| Offset 177, 19 lines modified | Offset 177, 19 lines modified | ||
| 177 | ··<a·href="#filters-and-dictionary"·class="hover-link"> | 177 | ··<a·href="#filters-and-dictionary"·class="hover-link"> |
| 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 178 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 179 | ··</a> | 179 | ··</a> |
| 180 | ··<span·class="text">Filters·and·dictionary</span> | 180 | ··<span·class="text">Filters·and·dictionary</span> |
| 181 | </h2> | 181 | </h2> |
| 182 | <p>The·<code·class="inline">Event·Tracer·(ET)</code>·uses·named·filters·in·various·contexts.·An·Event·Trace | 182 | <p>The·<code·class="inline">Event·Tracer·(ET)</code>·uses·named·filters·in·various·contexts.·An·Event·Trace |
| 183 | filter·is·an·<code·class="inline">Erlang·fun</code>·that·takes·some·trace·data·as·input·and·returns·a | 183 | filter·is·an·<code·class="inline">Erlang·fun</code>·that·takes·some·trace·data·as·input·and·returns·a |
| 184 | possibly·modified·version·of·it:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">filter</span><span·class="p"·data-group-id=" | 184 | possibly·modified·version·of·it:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">filter</span><span·class="p"·data-group-id="0855453240-1">(</span><span·class="n">TraceData</span><span·class="p"·data-group-id="0855453240-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">|</s[·...·truncated·by·diffoscope;·len:·329,·SHA:·f5f073e63439d12b422d178e33405a9de291456fdbd768602da02d0ebd893cd8·...·]-2">}</span><span·class="w"> |
| 185 | </span><span·class="n">TraceData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Event</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">erlang_trace_data</span><span·class="p"·data-group-id=" | 185 | </span><span·class="n">TraceData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Event</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">erlang_trace_data</span><span·class="p"·data-group-id="0855453240-3">(</span><span·class="p"·data-group-id="0855453240-3">)</span><span·class="w"> |
| 186 | </span><span·class="n">Event</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">event</span><span·class="p"·data-group-id=" | 186 | </span><span·class="n">Event</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">event</span><span·class="p"·data-group-id="0855453240-4">{</span><span·class="p"·data-group-id="0855453240-4">}</span><span·class="w"> |
| 187 | </span><span·class="n">NewEvent</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">event</span><span·class="p"·data-group-id=" | 187 | </span><span·class="n">NewEvent</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">event</span><span·class="p"·data-group-id="0855453240-5">{</span><span·class="p"·data-group-id="0855453240-5">}</span></code></pre><p>The·interface·of·the·filter·function·is·the·same·as·the·the·filter·functions·for |
| 188 | the·good·old·<a·href="../../../../lib/stdlib-6.2.1/doc/html/lists.html#filtermap/2"><code·class="inline">lists:filtermap/2</code></a>.·If·the·filter·returns·<code·class="inline">false</code>·it·means·that | 188 | the·good·old·<a·href="../../../../lib/stdlib-6.2.1/doc/html/lists.html#filtermap/2"><code·class="inline">lists:filtermap/2</code></a>.·If·the·filter·returns·<code·class="inline">false</code>·it·means·that |
| 189 | the·trace·data·should·silently·be·dropped.·<code·class="inline">true</code>·means·that·the·trace·data·data | 189 | the·trace·data·should·silently·be·dropped.·<code·class="inline">true</code>·means·that·the·trace·data·data |
| 190 | already·is·an·<code·class="inline">Event·Record</code>·and·that·it·should·be·kept·as·it·is.·<code·class="inline">true</code>·means | 190 | already·is·an·<code·class="inline">Event·Record</code>·and·that·it·should·be·kept·as·it·is.·<code·class="inline">true</code>·means |
| 191 | that·the·<code·class="inline">TraceData</code>·already·is·an·<code·class="inline">Event·Record</code>·and·that·it·should·be·kept·as | 191 | that·the·<code·class="inline">TraceData</code>·already·is·an·<code·class="inline">Event·Record</code>·and·that·it·should·be·kept·as |
| 192 | it·is.·<code·class="inline">{true,·NewEvent}</code>·means·that·the·original·trace·data·should·be·replaced | 192 | it·is.·<code·class="inline">{true,·NewEvent}</code>·means·that·the·original·trace·data·should·be·replaced |
| 193 | with·<code·class="inline">Event</code>.·This·provides·means·to·get·rid·of·unwanted·<code·class="inline">Events</code>·as·well·as | 193 | with·<code·class="inline">Event</code>.·This·provides·means·to·get·rid·of·unwanted·<code·class="inline">Events</code>·as·well·as |
| 194 | enabling·alternate·views·of·an·<code·class="inline">Event</code>.</p><p>The·first·filter·that·the·trace·data·is·exposed·for·is·the·<code·class="inline">Collector·Filter</code>. | 194 | enabling·alternate·views·of·an·<code·class="inline">Event</code>.</p><p>The·first·filter·that·the·trace·data·is·exposed·for·is·the·<code·class="inline">Collector·Filter</code>. |
| Offset 208, 29 lines modified | Offset 208, 29 lines modified | ||
| 208 | When·a·<code·class="inline">Viewer</code>·is·started·it·is·registered·as·a·subscriber·of·dictionary | 208 | When·a·<code·class="inline">Viewer</code>·is·started·it·is·registered·as·a·subscriber·of·dictionary |
| 209 | updates.</p><p>In·each·<code·class="inline">Viewer</code>·there·is·only·one·filter·that·is·active·and·all·trace·<code·class="inline">Events</code> | 209 | updates.</p><p>In·each·<code·class="inline">Viewer</code>·there·is·only·one·filter·that·is·active·and·all·trace·<code·class="inline">Events</code> |
| 210 | that·the·<code·class="inline">Viewer</code>·gets·from·the·<code·class="inline">Collector</code>·will·pass·thru·that·filter.·By | 210 | that·the·<code·class="inline">Viewer</code>·gets·from·the·<code·class="inline">Collector</code>·will·pass·thru·that·filter.·By |
| 211 | writing·clever·filters·it·is·possible·to·customize·how·the·<code·class="inline">Events</code>·looks·like | 211 | writing·clever·filters·it·is·possible·to·customize·how·the·<code·class="inline">Events</code>·looks·like |
| 212 | in·the·viewer.·The·following·filter·in·<code·class="inline">et/examples/et_demo.erl</code>·replaces·the | 212 | in·the·viewer.·The·following·filter·in·<code·class="inline">et/examples/et_demo.erl</code>·replaces·the |
| 213 | actor·names·<code·class="inline">mnesia_tm</code>·and·<code·class="inline">mnesia_locker</code>·and·leaves·everything·else·in·the | 213 | actor·names·<code·class="inline">mnesia_tm</code>·and·<code·class="inline">mnesia_locker</code>·and·leaves·everything·else·in·the |
| 214 | record·as·it·was:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> | 214 | record·as·it·was:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 215 | </span><span·class="nf">mgr_actors</span><span·class="p"·data-group-id=" | 215 | </span><span·class="nf">mgr_actors</span><span·class="p"·data-group-id="4757520624-1">(</span><span·class="n">E</span><span·class="p"·data-group-id="4757520624-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_record</span><span·class="p"·data-group-id="4757520624-2">(</s[·...·truncated·by·diffoscope;·len:·144,·SHA:·5978cd6dbf39386f5f49d8201c3d8d752e3de3b60d7781ab88082ff167c22cfa·...·]24-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 216 | ····</span><span·class="n">Actor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 216 | ····</span><span·class="n">Actor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="4757520624-3">(</span><span·class="n">A</span><span·class="p"·data-group-id="4757520624-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 217 | ···············</span><span·class="k">case</span><span·class="w">·</span><span·class="n">A</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 217 | ···············</span><span·class="k">case</span><span·class="w">·</span><span·class="n">A</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 218 | ···················</span><span·class="ss">mnesia_tm</span><span·class="w">·····</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">trans_mgr</span><span·class="p">;</span><span·class="w"> | 218 | ···················</span><span·class="ss">mnesia_tm</span><span·class="w">·····</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">trans_mgr</span><span·class="p">;</span><span·class="w"> |
| 219 | ···················</span><span·class="ss">mnesia_locker</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">lock_mgr</span><span·class="p">;</span><span·class="w"> | 219 | ···················</span><span·class="ss">mnesia_locker</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">lock_mgr</span><span·class="p">;</span><span·class="w"> |
| 220 | ···················</span><span·class="p">_</span><span·class="w">·············</span><span·class="p">-></span><span·class="w">·</span><span·class="n">A</span><span·class="w"> | 220 | ···················</span><span·class="p">_</span><span·class="w">·············</span><span·class="p">-></span><span·class="w">·</span><span·class="n">A</span><span·class="w"> |
| 221 | ···············</span><span·class="k">end</span><span·class="w"> | 221 | ···············</span><span·class="k">end</span><span·class="w"> |
| 222 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 222 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 223 | ····</span><span·class="p"·data-group-id=" | 223 | ····</span><span·class="p"·data-group-id="4757520624-4">{</span><span·class="ss">true</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p"·data-group-id="4757520624-5">{</span><span·class="ss">from</span>[·...·truncated·by·diffoscope;·len:·321,·SHA:·a9fd3877a516a822039cb019d4f63b201062b1e2cd526c7a5632b9b9ff594884·...·]24-6">)</span><span·class="p">,</span><span·class="w"> |
| 224 | ···················</span><span·class="ss">to</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Actor</span><span·class="p"·data-group-id=" | 224 | ···················</span><span·class="ss">to</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Actor</span><span·class="p"·data-group-id="4757520624-7">(</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">to</span><span·class="p"·data-group-id="4757520624-7">)</span><span·class="p">,</span><span·class="w"> |
| 225 | ···················</span><span·class="ss">contents</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 225 | ···················</span><span·class="ss">contents</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4757520624-8">[</span><span·class="p"·data-group-id="4757520624-9">{</span><span·class="ss">orig_from</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span[·...·truncated·by·diffoscope;·len:·68,·SHA:·3169059395b8e3a9de5dc1d1b3a3ddaca55ac9b06941f6de23ec1ebbcd59d892·...·]24-9">}</span><span·class="p">,</span><span·class="w"> |
| 226 | ·······························</span><span·class="p"·data-group-id=" | 226 | ·······························</span><span·class="p"·data-group-id="4757520624-10">{</span><span·class="ss">orig_to</span><span·class="p">,</span><span·class="w">···</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">to</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·14,·SHA:·74b830681b8500eadd9f485f99c737dce43ef11502af41a51b0b0b38f64f397c·...·]24-10">}</span><span·class="p">,</span><span·class="w"> |
| 227 | ·······························</span><span·class="p"·data-group-id=" | 227 | ·······························</span><span·class="p"·data-group-id="4757520624-11">{</span><span·class="ss">orig_contents</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">contents</span><span·class="p"[·...·truncated·by·diffoscope;·len:·949,·SHA:·cc1b1175899227b4026af5d44acc4a59dc4a2ef61459a248310df3f93a36e091·...·]-2">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 228 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="p">.</span><span·class="mf">6.13229925</span><span·class="o">></span><span·class="gp·unselectable"> | 228 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="p">.</span><span·class="mf">6.13229925</span><span·class="o">></span><span·class="gp·unselectable"> |
| 229 | 5>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">dict_insert</span><span·class="p"·data-group-id=" | 229 | 5>·</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">dict_insert</span><span·class="p"·data-group-id="1260569211-3">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1260569211-4">{</span><span·class="ss">filter</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mgr_ac[·...·truncated·by·diffoscope;·len:·179,·SHA:·09ba580eef54b5b352aa973609c8e93520148eb5245b1fcbb49f97a033d827e0·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 230 | </span><span·class="ss">ok</span></code></pre><p>you·will·see·that·the·<code·class="inline">Filter</code>·menu·in·all·viewers·have·got·a·new·entry·called | 230 | </span><span·class="ss">ok</span></code></pre><p>you·will·see·that·the·<code·class="inline">Filter</code>·menu·in·all·viewers·have·got·a·new·entry·called |
| 231 | <code·class="inline">mgr_actors</code>.·Select·it,·and·a·new·<code·class="inline">Viewer</code>·window·will·pop·up:</p><p><img·src="assets/sim_trans_mgr_actors.png"·alt="The·same·trace·data·in·a·different·view"·title="The·same·trace·data·in·a·different·view"/></p><p>In·order·to·see·the·nitty·gritty·details·of·an·<code·class="inline">Event</code>·you·may·click·on·the | 231 | <code·class="inline">mgr_actors</code>.·Select·it,·and·a·new·<code·class="inline">Viewer</code>·window·will·pop·up:</p><p><img·src="assets/sim_trans_mgr_actors.png"·alt="The·same·trace·data·in·a·different·view"·title="The·same·trace·data·in·a·different·view"/></p><p>In·order·to·see·the·nitty·gritty·details·of·an·<code·class="inline">Event</code>·you·may·click·on·the |
| 232 | <code·class="inline">Event</code>·in·order·to·start·a·<code·class="inline">Contents·Viewer</code>·for·that·<code·class="inline">Event</code>.·In·the | 232 | <code·class="inline">Event</code>·in·order·to·start·a·<code·class="inline">Contents·Viewer</code>·for·that·<code·class="inline">Event</code>.·In·the |
| 233 | <code·class="inline">Contents·Viewer</code>·there·also·is·a·filter·menu·that·enables·inspection·of·the | 233 | <code·class="inline">Contents·Viewer</code>·there·also·is·a·filter·menu·that·enables·inspection·of·the |
| 234 | <code·class="inline">Event</code>·from·other·views·than·the·one·selected·in·the·viewer.·A·click·on·the | 234 | <code·class="inline">Event</code>·from·other·views·than·the·one·selected·in·the·viewer.·A·click·on·the |
| 235 | <code·class="inline">new_tid</code>·<code·class="inline">Event</code>·will·cause·a·<code·class="inline">Contents·Viewer</code>·window·to·pop·up,·showing·the | 235 | <code·class="inline">new_tid</code>·<code·class="inline">Event</code>·will·cause·a·<code·class="inline">Contents·Viewer</code>·window·to·pop·up,·showing·the |
| 236 | <code·class="inline">Event</code>·in·the·<code·class="inline">mgr_actors</code>·view:</p><p><img·src="assets/sim_trans_contents_viewer_mgr_actors.png"·alt="The·trace·Event·in·the·mgr_actors·view"·title="The·trace·Event·in·the·mgr_actors·view"/></p><p>Select·the·<code·class="inline">all</code>·entry·in·the·<code·class="inline">Filters</code>·menu·and·a·new·<code·class="inline">Contents·Viewer·window</code> | 236 | <code·class="inline">Event</code>·in·the·<code·class="inline">mgr_actors</code>·view:</p><p><img·src="assets/sim_trans_contents_viewer_mgr_actors.png"·alt="The·trace·Event·in·the·mgr_actors·view"·title="The·trace·Event·in·the·mgr_actors·view"/></p><p>Select·the·<code·class="inline">all</code>·entry·in·the·<code·class="inline">Filters</code>·menu·and·a·new·<code·class="inline">Contents·Viewer·window</code> |
| Offset 419, 15 lines modified | Offset 419, 15 lines modified | ||
| 419 | ······<p·class="built-using"> | 419 | ······<p·class="built-using"> |
| 420 | ········Built·using | 420 | ········Built·using |
| 421 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 421 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 422 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 422 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 423 | ······</p> | 423 | ······</p> |
| 424 | <p>Copyright·©·1996-202 | 424 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 425 | ····</footer> | 425 | ····</footer> |
| 426 | ··</div> | 426 | ··</div> |
| 427 | </main> | 427 | </main> |
| 428 | </div> | 428 | </div> |
| 429 | <script> | 429 | <script> |
| 430 | ··function·mermaidLoaded()·{ | 430 | ··function·mermaidLoaded()·{ |
| 431 | ····mermaid.initialize({ | 431 | ····mermaid.initialize({ |
| Offset 129, 178 lines modified | Offset 129, 178 lines modified | ||
| 129 | ··<a·href="#a-simulated-mnesia-transaction"·class="hover-link"> | 129 | ··<a·href="#a-simulated-mnesia-transaction"·class="hover-link"> |
| 130 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 130 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 131 | ··</a> | 131 | ··</a> |
| 132 | ··<span·class="text">A·simulated·Mnesia·transaction</span> | 132 | ··<span·class="text">A·simulated·Mnesia·transaction</span> |
| 133 | </h2> | 133 | </h2> |
| 134 | <p>The·Erlang·code·for·running·the·simulated·<code·class="inline">Mnesia</code>·transaction·example·in·the | 134 | <p>The·Erlang·code·for·running·the·simulated·<code·class="inline">Mnesia</code>·transaction·example·in·the |
| 135 | previous·chapter·is·included·in·the·<code·class="inline">et/examples/et_demo.erl</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> | 135 | previous·chapter·is·included·in·the·<code·class="inline">et/examples/et_demo.erl</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 136 | </span><span·class="nf">sim_trans</span><span·class="p"·data-group-id=" | 136 | </span><span·class="nf">sim_trans</span><span·class="p"·data-group-id="2376637701-1">(</span><span·class="p"·data-group-id="2376637701-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 137 | ····</span><span·class="nf">sim_trans</span><span·class="p"·data-group-id=" | 137 | ····</span><span·class="nf">sim_trans</span><span·class="p"·data-group-id="2376637701-2">(</span><span·class="p"·data-group-id="2376637701-3">[</span><span·class="p"·data-group-id="2376637701-3">]</span><span·class="p"·data-group-id="2376637701-2">)</span><span·class="p">.</span><span·class="w"> |
| 138 | </span><span·class="nf">sim_trans</span><span·class="p"·data-group-id=" | 138 | </span><span·class="nf">sim_trans</span><span·class="p"·data-group-id="2376637701-4">(</span><span·class="n">ExtraOptions</span><span·class="p"·data-group-id="2376637701-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 139 | ····</span><span·class="n">Options</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0690035465-5">[</span><span·class="p"·data-group-id="0690035465-6">{</span><span·class="ss">dict_insert</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0690035465-7">{</span><span·class="ss">filter</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mgr_actors</span><span·class="p"·data-group-id="0690035465-7">}</span><span·class="p">,</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">mgr_actors</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="0690035465-6">}</span><span·class="p"·data-group-id="0690035465-5">]</span><span·class="p">,</span><span·class="w"> | ||
| 140 | ····</span><span·class=" | 139 | ····</span><span·class="n">Options</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2376637701-5">[</span><span·class="p"·data-group-id="2376637701-6">{</span><span·class="ss">dict_insert</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·520,·SHA:·7cc31959f8a162c5a3751f43b9ab01b703ae912c95c265887bd818ed132cdea9·...·]</span><span·class="p">,</span><span·class="w"> |
| 140 | ····</span><span·class="p"·data-group-id="2376637701-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Viewer</span><span·class="p"·data-group-id="2376637701-8">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="2376637701-9">(</span><span·class="n">Options</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">ExtraOptions</span><span·class="p"·data-group-id="2376637701-9">)</span><span·class="p">,</span><span·class="w"> | ||
| 141 | ····</span><span·class="n">Collector</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">get_collector_pid</span><span·class="p"·data-group-id=" | 141 | ····</span><span·class="n">Collector</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">get_collector_pid</span><span·class="p"·data-group-id="2376637701-10">(</span><span·class="n">Viewer</span><span·class="p"·data-group-id="2376637701-10">)</span><span·class="p">,</span><span·class="w"> |
| 142 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 142 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="2376637701-11">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">60</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_tm</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start_outer</span><span·class="p">,</span><span·class="w"> |
| 143 | ······························</span><span·class="s">"Start·outer·transaction"</span><span·class="p"·data-group-id=" | 143 | ······························</span><span·class="s">"Start·outer·transaction"</span><span·class="p"·data-group-id="2376637701-11">)</span><span·class="p">,</span><span·class="w"> |
| 144 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 144 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="2376637701-12">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">40</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_tm</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">new_tid</span><span·class="p">,</span><span·class="w"> |
| 145 | ······························</span><span·class="s">"New·transaction·id·is·4711"</span><span·class="p"·data-group-id=" | 145 | ······························</span><span·class="s">"New·transaction·id·is·4711"</span><span·class="p"·data-group-id="2376637701-12">)</span><span·class="p">,</span><span·class="w"> |
| 146 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 146 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="2376637701-13">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">20</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_locker</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">try_write_lock</span><span·class="p">,</span><span·class="w"> |
| 147 | ······························</span><span·class="s">"Acquire·write·lock·for·{my_tab,·key}"</span><span·class="p"·data-group-id=" | 147 | ······························</span><span·class="s">"Acquire·write·lock·for·{my_tab,·key}"</span><span·class="p"·data-group-id="2376637701-13">)</span><span·class="p">,</span><span·class="w"> |
| 148 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 148 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="2376637701-14">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">10</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_locker</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">granted</span><span·class="p">,</span><span·class="w"> |
| 149 | ······························</span><span·class="s">"You·got·the·write·lock·for·{my_tab,·key}"</span><span·class="p"·data-group-id=" | 149 | ······························</span><span·class="s">"You·got·the·write·lock·for·{my_tab,·key}"</span><span·class="p"·data-group-id="2376637701-14">)</span><span·class="p">,</span><span·class="w"> |
| 150 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 150 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="2376637701-15">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">60</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">do_commit</span><span·class="p">,</span><span·class="w"> |
| 151 | ······························</span><span·class="s">"Perform··transaction·commit"</span><span·class="p"·data-group-id=" | 151 | ······························</span><span·class="s">"Perform··transaction·commit"</span><span·class="p"·data-group-id="2376637701-15">)</span><span·class="p">,</span><span·class="w"> |
| 152 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 152 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="2376637701-16">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">40</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_locker</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">release_tid</span><span·class="p">,</span><span·class="w"> |
| 153 | ······························</span><span·class="s">"Release·all·locks·for·transaction·4711"</span><span·class="p"·data-group-id=" | 153 | ······························</span><span·class="s">"Release·all·locks·for·transaction·4711"</span><span·class="p"·data-group-id="2376637701-16">)</span><span·class="p">,</span><span·class="w"> |
| 154 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 154 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="2376637701-17">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">60</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_tm</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">delete_transaction</span><span·class="p">,</span><span·class="w"> |
| 155 | ······························</span><span·class="s">"End·of·outer·transaction"</span><span·class="p"·data-group-id=" | 155 | ······························</span><span·class="s">"End·of·outer·transaction"</span><span·class="p"·data-group-id="2376637701-17">)</span><span·class="p">,</span><span·class="w"> |
| 156 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 156 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="2376637701-18">(</span><span·class="n">Collector</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">20</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_shell</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">end_outer</span><span·class="p">,</span><span·class="w"> |
| 157 | ······························</span><span·class="s">"Transaction·returned·{atomic,·ok}"</span><span·class="p"·data-group-id=" | 157 | ······························</span><span·class="s">"Transaction·returned·{atomic,·ok}"</span><span·class="p"·data-group-id="2376637701-18">)</span><span·class="p">,</span><span·class="w"> |
| 158 | ····</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="p"·data-group-id="2376637701-19">{</span><span·class="ss">collector</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Collector</span><span·class="p"·data-group-id="2376637701-19">}</span><span·class="p">.</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 159 | </span><span·class="nf">mgr_actors</span><span·class="p"·data-group-id=" | 159 | </span><span·class="nf">mgr_actors</span><span·class="p"·data-group-id="7767566599-1">(</span><span·class="n">E</span><span·class="p"·data-group-id="7767566599-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_record</span><span·class="p"·data-group-id="7767566599-2">(</s[·...·truncated·by·diffoscope;·len:·146,·SHA:·f9098b785c3b5a7446118cf17a203cdccbfd10cb7d4d2746de7559d064081446·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 160 | ····</span><span·class="n">Actor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 160 | ····</span><span·class="n">Actor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="7767566599-3">(</span><span·class="n">A</span><span·class="p"·data-group-id="7767566599-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 161 | ···············</span><span·class="k">case</span><span·class="w">·</span><span·class="n">A</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 161 | ···············</span><span·class="k">case</span><span·class="w">·</span><span·class="n">A</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 162 | ···················</span><span·class="ss">mnesia_tm</span><span·class="w">·····</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">trans_mgr</span><span·class="p">;</span><span·class="w"> | 162 | ···················</span><span·class="ss">mnesia_tm</span><span·class="w">·····</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">trans_mgr</span><span·class="p">;</span><span·class="w"> |
| 163 | ···················</span><span·class="ss">mnesia_locker</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">lock_mgr</span><span·class="p">;</span><span·class="w"> | 163 | ···················</span><span·class="ss">mnesia_locker</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">lock_mgr</span><span·class="p">;</span><span·class="w"> |
| 164 | ···················</span><span·class="p">_</span><span·class="w">·············</span><span·class="p">-></span><span·class="w">·</span><span·class="n">A</span><span·class="w"> | 164 | ···················</span><span·class="p">_</span><span·class="w">·············</span><span·class="p">-></span><span·class="w">·</span><span·class="n">A</span><span·class="w"> |
| 165 | ···············</span><span·class="k">end</span><span·class="w"> | 165 | ···············</span><span·class="k">end</span><span·class="w"> |
| 166 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 166 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 167 | ····</span><span·class="p"·data-group-id=" | 167 | ····</span><span·class="p"·data-group-id="7767566599-4">{</span><span·class="ss">true</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p"·data-group-id="7767566599-5">{</span><span·class="ss">from</span>[·...·truncated·by·diffoscope;·len:·323,·SHA:·b201718878de5e57ade8ec6207221018a7a5254dbad48485f0ec42c0d921e9fa·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 168 | ···················</span><span·class="ss">to</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Actor</span><span·class="p"·data-group-id=" | 168 | ···················</span><span·class="ss">to</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Actor</span><span·class="p"·data-group-id="7767566599-7">(</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">to</span><span·class="p"·data-group-id="7767566599-7">)</span><span·class="p">,</span><span·class="w"> |
| 169 | ···················</span><span·class="ss">contents</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 169 | ···················</span><span·class="ss">contents</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7767566599-8">[</span><span·class="p"·data-group-id="7767566599-9">{</span><span·class="ss">orig_from</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span[·...·truncated·by·diffoscope;·len:·70,·SHA:·a0a8d5feeac4e9aa58166a8fafb901abb149b3b076df5c349f275d8dc027a35d·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 170 | ·······························</span><span·class="p"·data-group-id=" | 170 | ·······························</span><span·class="p"·data-group-id="7767566599-10">{</span><span·class="ss">orig_to</span><span·class="p">,</span><span·class="w">···</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">to</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·2c8c241f619d235c53dd3124b71a1920c4e6b5b9d5ea949663a7ef1065d5c01a·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 171 | ·······························</span><span·class="p"·data-group-id=" | 171 | ·······························</span><span·class="p"·data-group-id="7767566599-11">{</span><span·class="ss">orig_contents</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">contents</span><span·class="p"[·...·truncated·by·diffoscope;·len:·186,·SHA:·88fd754feb77b3fbf7c49ce632cb852777890c11e0b062b5ff4cd3c97b3e0b05·...·]-4">}</span><span·class="p">.</span></code></pre><p>If·you·invoke·the·<code·class="inline">et_demo:sim_trans()</code>·function,·a·<code·class="inline">Viewer</code>·window·will·pop·up |
| 172 | and·the·sequence·trace·will·be·almost·the·same·as·if·the·following·<code·class="inline">Mnesia</code> | 172 | and·the·sequence·trace·will·be·almost·the·same·as·if·the·following·<code·class="inline">Mnesia</code> |
| 173 | transaction·would·have·been·run:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id=" | 173 | transaction·would·have·been·run:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="9249751442-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="9249751442-2">(</span><span·class="p"·data-group-id="9249751442-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">mnesia</[·...·truncated·by·diffoscope;·len:·2205,·SHA:·4da9c013493fb37f22e6dda6151a8e0c434f2d33f27dde1f17119e89145c5688·...·]-6">]</span><span·class="w"> |
| 174 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">7.4</span><span·class="w">··</span><span·class="p"·data-group-id=" | 174 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">7.4</span><span·class="w">··</span><span·class="p"·data-group-id="0775975878-7">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="0775975878-7">)</span><span·class="gp·unselectable"> |
| 175 | 1>·</span><span·class="p"·data-group-id=" | 175 | 1>·</span><span·class="p"·data-group-id="0775975878-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Viewer</span><span·class="p"·data-group-id="0775975878-8">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·282,·SHA:·cdaf4cd28da520820a2c1b869ccadfc60e469cc6908353d963a8698dc6c7fea0·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="p"·data-group-id=" | 176 | </span><span·class="p"·data-group-id="0775975878-11">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.40</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">;</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·13,·SHA:·2b46d0f6c2af6fc3f3d7544cd86fefb7b863109a3ea22e8c2d4c0d48a05a067c·...·]-11">}</span><span·class="gp·unselectable"> |
| 177 | 2>·</span><span·class="nc">et_demo</span><span·class="p">:</span><span·class="nf">sim_trans</span><span·class="p"·data-group-id=" | 177 | 2>·</span><span·class="nc">et_demo</span><span·class="p">:</span><span·class="nf">sim_trans</span><span·class="p"·data-group-id="0775975878-12">(</span><span·class="p"·data-group-id="0775975878-12">)</span><span·class="p">.</span><span·class="w"> |
| 178 | </span><span·class="p"·data-group-id=" | 178 | </span><span·class="p"·data-group-id="0775975878-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="0775975878-14">{</span><span·class="ss">table_handle</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.45</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="mi">24596</span><span·class="p">,</span><span·class="ss">trace_ts</span><span·class="p">,</span><span·class="w"> |
| 179 | ·····</span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">et_collector</span><span·class="p">.</span><span·class="mf">0.62831470</span><span·class="o">></span><span·class="p"·data-group-id=" | 179 | ·····</span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">et_collector</span><span·class="p">.</span><span·class="mf">0.62831470</span><span·class="o">></span><span·class="p"·data-group-id="0775975878-14">}</span><span·class="p"·data-group-id="0775975878-13">}</span></code></pre><p><img·src="assets/sim_trans.png"·alt="A·simulated·Mnesia·transaction·which·writes·one·record"·title="A·simulated·Mnesia·transaction·which·writes·one·record"/></p><h2·id="some-convenient-functions-used-in-the-mnesia-transaction-example"·class="section-heading"> |
| 180 | ··<a·href="#some-convenient-functions-used-in-the-mnesia-transaction-example"·class="hover-link"> | 180 | ··<a·href="#some-convenient-functions-used-in-the-mnesia-transaction-example"·class="hover-link"> |
| 181 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 181 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 182 | ··</a> | 182 | ··</a> |
| 183 | ··<span·class="text">Some·convenient·functions·used·in·the·Mnesia·transaction·example</span> | 183 | ··<span·class="text">Some·convenient·functions·used·in·the·Mnesia·transaction·example</span> |
| 184 | </h2> | 184 | </h2> |
| 185 | <p>The·<code·class="inline">module_as_actor</code>·filter·converts·the·<code·class="inline">Event·Records</code>·so·the·module·names | 185 | <p>The·<code·class="inline">module_as_actor</code>·filter·converts·the·<code·class="inline">Event·Records</code>·so·the·module·names |
| 186 | becomes·actors·and·the·invoked·functions·becomes·labels.·If·the·information | 186 | becomes·actors·and·the·invoked·functions·becomes·labels.·If·the·information |
| 187 | about·who·the·caller·was·it·will·be·displayed·as·an·arrow·directed·from·the | 187 | about·who·the·caller·was·it·will·be·displayed·as·an·arrow·directed·from·the |
| 188 | caller·to·the·callee.·The·<code·class="inline">[{message,·{caller}},·{return_trace}]</code>·options·to | 188 | caller·to·the·callee.·The·<code·class="inline">[{message,·{caller}},·{return_trace}]</code>·options·to |
| 189 | <a·href="../../../../lib/runtime_tools-2.1.1/doc/html/dbg.html#tpl/2"><code·class="inline">dbg:tpl/2</code></a>·function·will·imply·the·necessary·information·in·the·Erlang·traces. | 189 | <a·href="../../../../lib/runtime_tools-2.1.1/doc/html/dbg.html#tpl/2"><code·class="inline">dbg:tpl/2</code></a>·function·will·imply·the·necessary·information·in·the·Erlang·traces. |
| 190 | Here·follows·the·<code·class="inline">module_as_actor</code>·filter:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> | 190 | Here·follows·the·<code·class="inline">module_as_actor</code>·filter:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 191 | </span><span·class="nf">module_as_actor</span><span·class="p"·data-group-id=" | 191 | </span><span·class="nf">module_as_actor</span><span·class="p"·data-group-id="2697246489-1">(</span><span·class="n">E</span><span·class="p"·data-group-id="2697246489-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_record</span><span·class="p"·data-group-id="2697246489-2">(</s[·...·truncated·by·diffoscope;·len:·146,·SHA:·2432c8aec155137ada2031ee0b77d1df865bb8a509f7ed488c8de1a442e5c523·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 192 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">keysearch</span><span·class="p"·data-group-id=" | 192 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">keysearch</span><span·class="p"·data-group-id="2697246489-3">(</span><span·class="ss">mfa</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·cla[·...·truncated·by·diffoscope;·len:·88,·SHA:·2e495859cb8b746cb8c160dbc6cf7eaf8f49571d04db9fb65b7b4b5e82366d5c·...·]-3">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 193 | ········</span><span·class="p"·data-group-id=" | 193 | ········</span><span·class="p"·data-group-id="2697246489-4">{</span><span·class="ss">value</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2697246489-5">{</span><span·class="ss">mfa</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·363,·SHA:·685b3c8218b26f1502c2f148759857933b25d2190a19d51627cef26d6178ff3b·...·]-4">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 194 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">keysearch</span><span·class="p"·data-group-id=" | 194 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">keysearch</span><span·class="p"·data-group-id="2697246489-7">(</span><span·class="ss">pam_result</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><s[·...·truncated·by·diffoscope;·len:·95,·SHA:·f9459d92f52617d2aff2257850d01be6558212c59ab5a144bac9ecbb5c1eadcd·...·]-7">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 195 | ················</span><span·class="p"·data-group-id=" | 195 | ················</span><span·class="p"·data-group-id="2697246489-8">{</span><span·class="ss">value</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2697246489-9">{</span><span·class="ss">pam_result</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·399,·SHA:·0005a8078a835080903ea1049fd473778ce324e881d45e87b253c76e950fd032·...·]-8">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 196 | ····················</span><span·class="p"·data-group-id=" | 196 | ····················</span><span·class="p"·data-group-id="2697246489-11">{</span><span·class="ss">true</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p"·data-group-id="2697246489-12">{</span><span·class="ss">label</sp[·...·truncated·by·diffoscope;·len:·537,·SHA:·4e0a46566d4e84d66b761059adacf427b4397a791c17e66e597d3934f84fc811·...·]-11">}</span><span·class="p">;</span><span·class="w"> |
| 197 | ················</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 197 | ················</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 198 | ····················</span><span·class="p"·data-group-id=" | 198 | ····················</span><span·class="p"·data-group-id="2697246489-13">{</span><span·class="ss">true</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p"·data-group-id="2697246489-14">{</span><span·class="ss">label</sp[·...·truncated·by·diffoscope;·len:·536,·SHA:·20b165127a48a86d3790854e00a5e47f50622025c9f57b223456da6b0fe8eeca·...·]-13">}</span><span·class="w"> |
| 199 | ············</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 199 | ············</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 200 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 200 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 201 | ············</span><span·class="ss">false</span><span·class="w"> | 201 | ············</span><span·class="ss">false</span><span·class="w"> |
| 202 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">plain_process_info</code>·filter·does·not·alter·the·<code·class="inline">Event·Records</code>.·It·merely | 202 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">plain_process_info</code>·filter·does·not·alter·the·<code·class="inline">Event·Records</code>.·It·merely |
| 203 | ensures·that·the·event·not·related·to·processes·are·skipped:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> | 203 | ensures·that·the·event·not·related·to·processes·are·skipped:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 204 | </span><span·class="nf">plain_process_info</span><span·class="p"·data-group-id=" | 204 | </span><span·class="nf">plain_process_info</span><span·class="p"·data-group-id="0558087613-1">(</span><span·class="n">E</span><span·class="p"·data-group-id="0558087613-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_record</span><span·class="p"·data-group-id="0558087613-2">(</s[·...·truncated·by·diffoscope;·len:·146,·SHA:·40ef3e8e140dbc084e8456cda862a8bf4e41b535318b0181c7ccfa6a6bde2ea0·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 205 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">label</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 205 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">label</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 206 | ········</span><span·class="nb">send</span><span·class="w">··························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 206 | ········</span><span·class="nb">send</span><span·class="w">··························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 207 | ········</span><span·class="ss">send_to_non_existing_process</span><span·class="w">··</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 207 | ········</span><span·class="ss">send_to_non_existing_process</span><span·class="w">··</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 208 | ········</span><span·class="ss">'receive'</span><span·class="w">·····················</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 208 | ········</span><span·class="ss">'receive'</span><span·class="w">·····················</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 209 | ········</span><span·class="nb">spawn</span><span·class="w">·························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 209 | ········</span><span·class="nb">spawn</span><span·class="w">·························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 210 | ········</span><span·class="nb">exit</span><span·class="w">··························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 210 | ········</span><span·class="nb">exit</span><span·class="w">··························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 211 | ········</span><span·class="nb">link</span><span·class="w">··························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 211 | ········</span><span·class="nb">link</span><span·class="w">··························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 212 | ········</span><span·class="nb">unlink</span><span·class="w">························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 212 | ········</span><span·class="nb">unlink</span><span·class="w">························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 213 | ········</span><span·class="ss">getting_linked</span><span·class="w">················</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> | 213 | ········</span><span·class="ss">getting_linked</span><span·class="w">················</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 214 | ········</span><span·class="p"·data-group-id=" | 214 | ········</span><span·class="p"·data-group-id="0558087613-3">{</span><span·class="ss">seq_send</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Label</span><span·class="p"·data-group-id="0558087613-3">}</span><span·class="w">············</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 215 | ········</span><span·class="p"·data-group-id=" | 215 | ········</span><span·class="p"·data-group-id="0558087613-4">{</span><span·class="ss">seq_receive</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Label</span><span·class="p"·data-group-id="0558087613-4">}</span><span·class="w">·········</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 216 | ········</span><span·class="p"·data-group-id=" | 216 | ········</span><span·class="p"·data-group-id="0558087613-5">{</span><span·class="ss">seq_print</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Label</span><span·class="p"·data-group-id="0558087613-5">}</span><span·class="w">···········</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 217 | ········</span><span·class="p"·data-group-id=" | 217 | ········</span><span·class="p"·data-group-id="0558087613-6">{</span><span·class="ss">drop</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">N</span><span·class="p"·data-group-id="0558087613-6">}</span><span·class="w">····················</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 218 | ········</span><span·class="p">_</span><span·class="w">·····························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">false</span><span·class="w"> | 218 | ········</span><span·class="p">_</span><span·class="w">·····························</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">false</span><span·class="w"> |
| 219 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">plain_process_info_nolink</code>·filter·does·not·alter·the·<code·class="inline">Event·Records</code>.·It·do | 219 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">plain_process_info_nolink</code>·filter·does·not·alter·the·<code·class="inline">Event·Records</code>.·It·do |
| 220 | makes·use·of·the·<code·class="inline">plain_process_info</code>·,·but·do·also·ensure·that·the·process·info | 220 | makes·use·of·the·<code·class="inline">plain_process_info</code>·,·but·do·also·ensure·that·the·process·info |
| 221 | related·to·linking·and·unlinking·is·skipped:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> | 221 | related·to·linking·and·unlinking·is·skipped:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 222 | </span><span·class="nf">plain_process_info_nolink</span><span·class="p"·data-group-id=" | 222 | </span><span·class="nf">plain_process_info_nolink</span><span·class="p"·data-group-id="2411000376-1">(</span><span·class="n">E</span><span·class="p"·data-group-id="2411000376-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_record</span><span·class="p"·data-group-id="2411000376-2">(</s[·...·truncated·by·diffoscope;·len:·146,·SHA:·011b6195f2de0ec5af2dc1703bceb2c7195c42bbecc66478404b311b500b49ba·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 223 | ····</span><span·class="p"·data-group-id=" | 223 | ····</span><span·class="p"·data-group-id="2411000376-3">(</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">label</span><span·class="w">·</span><span·class="o">/=</span><span·class="w">·</span><span·class="nb">link</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·f7674322e548b01c1caafcf0a6182948a7c60357f7e4b583d048927a3c536c7a·...·]-3">)</span><span·class="w">·</span><span·class="nf">and</span><span·class="w"> |
| 224 | ····</span><span·class="p"·data-group-id=" | 224 | ····</span><span·class="p"·data-group-id="2411000376-4">(</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">label</span><span·class="w">·</span><span·class="o">/=</span><span·class="w">·</span><span·class="nb">unlink</span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·78372c3b3dd13cf19dc14ec576f5d9acf13138c2f7bc378888e455426635756e·...·]-4">)</span><span·class="w">·</span><span·class="nf">and</span><span·class="w"> |
| 225 | ····</span><span·class="p"·data-group-id=" | 225 | ····</span><span·class="p"·data-group-id="2411000376-5">(</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">event</span><span·class="p">.</span><span·class="ss">label</span><span·class="w">·</span><span·class="o">/=</span><span·class="w">·</span><span·class="ss">getting_linked[·...·truncated·by·diffoscope;·len:·48,·SHA:·7ede1c59cbebcd90efb2002c636a84b382a281fc3f057e0b3a52b110a9dead0b·...·]-5">)</span><span·class="w">·</span><span·class="ow">and</span><span·class="w"> |
| 226 | ····</span><span·class="nf">plain_process_info</span><span·class="p"·data-group-id=" | 226 | ····</span><span·class="nf">plain_process_info</span><span·class="p"·data-group-id="2411000376-6">(</span><span·class="n">E</span><span·class="p"·data-group-id="2411000376-6">)</span><span·class="p">.</span></code></pre><p>In·order·to·simplify·the·startup·of·an·<code·class="inline">et_viewer</code>·process·with·the·filters |
| 227 | mentioned·above,·plus·some·others·(that·also·are·found·in | 227 | mentioned·above,·plus·some·others·(that·also·are·found·in |
| 228 | <code·class="inline">et/examples/et_demo.erl</code>·src/et_collector.erl·the·<code·class="inline">et_demo:start/0,1</code>·functions | 228 | <code·class="inline">et/examples/et_demo.erl</code>·src/et_collector.erl·the·<code·class="inline">et_demo:start/0,1</code>·functions |
| 229 | can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> | 229 | can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 230 | </span><span·class="nf">start</span><span·class="p"·data-group-id="5 | 230 | </span><span·class="nf">start</span><span·class="p"·data-group-id="5229328002-1">(</span><span·class="p"·data-group-id="5229328002-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 231 | ····</span><span·class="nf">start</span><span·class="p"·data-group-id="5 | 231 | ····</span><span·class="nf">start</span><span·class="p"·data-group-id="5229328002-2">(</span><span·class="p"·data-group-id="5229328002-3">[</span><span·class="p"·data-group-id="5229328002-3">]</span><span·class="p"·data-group-id="5229328002-2">)</span><span·class="p">.</span><span·class="w"> |
| 232 | </span><span·class="nf">start</span><span·class="p"·data-group-id="5 | 232 | </span><span·class="nf">start</span><span·class="p"·data-group-id="5229328002-4">(</span><span·class="n">ExtraOptions</span><span·class="p"·data-group-id="5229328002-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 233 | ····</span><span·class="n">Options</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5 | 233 | ····</span><span·class="n">Options</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5229328002-5">[</span><span·class="p"·data-group-id="5229328002-6">{</span><span·class="ss">trace_global</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="5229328002-6">}</span><span·class="p">,</span><span·class="w"> |
| 234 | ···············</span><span·class="p"·data-group-id="5 | 234 | ···············</span><span·class="p"·data-group-id="5229328002-7">{</span><span·class="ss">parent_pid</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="p"·data-group-id="5229328002-7">}</span><span·class="p">,</span><span·class="w"> |
| 235 | ···············</span><span·class="p"·data-group-id="5 | 235 | ···············</span><span·class="p"·data-group-id="5229328002-8">{</span><span·class="ss">max_actors</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">infinity</span><span·class="p"·data-group-id="5229328002-8">}</span><span·class="p">,</span><span·class="w"> |
| 236 | ···············</span><span·class="p"·data-group-id="5 | 236 | ···············</span><span·class="p"·data-group-id="5229328002-9">{</span><span·class="ss">max_events</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1000</span><span·class="p"·data-group-id="5229328002-9">}</span><span·class="p">,</span><span·class="w"> |
| 237 | ···············</span><span·class="p"·data-group-id="5 | 237 | ···············</span><span·class="p"·data-group-id="5229328002-10">{</span><span·class="ss">active_filter</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">module_as_actor</span><span·class="p"·data-group-id="5229328002-10">}</span><span·class="p"·data-group-id="5229328002-5">]</span><span·class="p">,</span><span·class="w"> |
| 238 | ····</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="5 | 238 | ····</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="5229328002-11">(</span><span·class="nf">filters</span><span·class="p"·data-group-id="5229328002-12">(</span><span·class="p"·data-group-id="5229328002-12">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">Option[·...·truncated·by·diffoscope;·len:·157,·SHA:·f84afcff47419c5e5f35f2d01207fb9b086c8d0f3b2478855691584282ad071e·...·]-11">)</span><span·class="p">.</span></code></pre><p>A·simple·one-liner·starts·the·tool:</p><pre><code·class="text">··········erl·-pa·../examples·-s·et_demo</code></pre><p>The·filters·are·included·by·the·following·parameters:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 239 | </span><span·class="nf">filters</span><span·class="p"·data-group-id=" | 239 | </span><span·class="nf">filters</span><span·class="p"·data-group-id="1573000461-1">(</span><span·class="p"·data-group-id="1573000461-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 240 | ····</span><span·class="p"·data-group-id=" | 240 | ····</span><span·class="p"·data-group-id="1573000461-2">[</span><span·class="p"·data-group-id="1573000461-3">{</span><span·class="ss">dict_insert</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1573000461-4">{</span><span·class="ss">filter</span><span·class="p"[·...·truncated·by·diffoscope;·len:·113,·SHA:·0a4374ffec83c36c215e319df056ff989250941b9470f8d4298e5ff2a044c4b8·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 241 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">module_as_actor</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id=" | 241 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">module_as_actor</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="1573000461-3">}</span><span·class="p">,</span><span·class="w"> |
| 242 | ·····</span><span·class="p"·data-group-id=" | 242 | ·····</span><span·class="p"·data-group-id="1573000461-5">{</span><span·class="ss">dict_insert</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1573000461-6">{</span><span·class="ss">filter</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">pla[·...·truncated·by·diffoscope;·len:·63,·SHA:·459b271151ddb76067b1ee4327280049211ad473461b1927d23af6895343de76·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 243 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">plain_process_info</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id=" | 243 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">plain_process_info</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="1573000461-5">}</span><span·class="p">,</span><span·class="w"> |
| 244 | ·····</span><span·class="p"·data-group-id=" | 244 | ·····</span><span·class="p"·data-group-id="1573000461-7">{</span><span·class="ss">dict_insert</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1573000461-8">{</span><span·class="ss">filter</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">pla[·...·truncated·by·diffoscope;·len:·70,·SHA:·7ebfafe7ff55be63283979c65e09e0982ef9a4faf41af491df207a079c37ee7a·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 245 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">plain_process_info_nolink</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id=" | 245 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">plain_process_info_nolink</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="1573000461-7">}</span><span·class="p">,</span><span·class="w"> |
| 246 | ·····</span><span·class="p"·data-group-id=" | 246 | ·····</span><span·class="p"·data-group-id="1573000461-9">{</span><span·class="ss">dict_insert</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1573000461-10">{</span><span·class="ss">filter</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">na[·...·truncated·by·diffoscope;·len:·64,·SHA:·7cd1054d97ae47d96b677d74d4799aee4c148963e0d6e84bb352cc27ae86ca87·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 247 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">named_process_info</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id=" | 247 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">named_process_info</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="1573000461-9">}</span><span·class="p">,</span><span·class="w"> |
| 248 | ·····</span><span·class="p"·data-group-id=" | 248 | ·····</span><span·class="p"·data-group-id="1573000461-11">{</span><span·class="ss">dict_insert</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1573000461-12">{</span><span·class="ss">filter</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">n[·...·truncated·by·diffoscope;·len:·72,·SHA:·65471c2b62137b272e2f3fb2a320712a43caeb23672d9983fff49223ee83b79a·...·]-12">}</span><span·class="p">,</span><span·class="w"> |
| 249 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">named_process_info_nolink</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id=" | 249 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">named_process_info_nolink</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="1573000461-11">}</span><span·class="p">,</span><span·class="w"> |
| 250 | ·····</span><span·class="p"·data-group-id=" | 250 | ·····</span><span·class="p"·data-group-id="1573000461-13">{</span><span·class="ss">dict_insert</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1573000461-14">{</span><span·class="ss">filter</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">n[·...·truncated·by·diffoscope;·len:·64,·SHA:·0f0232485788dd6c0a020161fb4775eaf7586aa786d84536803c83e2533d6092·...·]-14">}</span><span·class="p">,</span><span·class="w"> |
| 251 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">node_process_info</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id=" | 251 | ···················</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">node_process_info</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="1573000461-13">}</span><span·class="p">,</span><span·class="w"> |
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| 211 | ······<p·class="built-using"> | 211 | ······<p·class="built-using"> |
| 212 | ········Built·using | 212 | ········Built·using |
| 213 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 213 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 214 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 214 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 215 | ······</p> | 215 | ······</p> |
| 216 | <p>Copyright·©·1996-202 | 216 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 217 | ····</footer> | 217 | ····</footer> |
| 218 | ··</div> | 218 | ··</div> |
| 219 | </main> | 219 | </main> |
| 220 | </div> | 220 | </div> |
| 221 | <script> | 221 | <script> |
| 222 | ··function·mermaidLoaded()·{ | 222 | ··function·mermaidLoaded()·{ |
| 223 | ····mermaid.initialize({ | 223 | ····mermaid.initialize({ |
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| 415 | ······<p·class="built-using"> | 415 | ······<p·class="built-using"> |
| 416 | ········Built·using | 416 | ········Built·using |
| 417 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 417 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 418 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 418 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 419 | ······</p> | 419 | ······</p> |
| 420 | <p>Copyright·©·1996-202 | 420 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 421 | ····</footer> | 421 | ····</footer> |
| 422 | ··</div> | 422 | ··</div> |
| 423 | </main> | 423 | </main> |
| 424 | </div> | 424 | </div> |
| 425 | <script> | 425 | <script> |
| 426 | ··function·mermaidLoaded()·{ | 426 | ··function·mermaidLoaded()·{ |
| 427 | ····mermaid.initialize({ | 427 | ····mermaid.initialize({ |
| Offset 129, 49 lines modified | Offset 129, 49 lines modified | ||
| 129 | ··<a·href="#visualizing-message-sequence-charts"·class="hover-link"> | 129 | ··<a·href="#visualizing-message-sequence-charts"·class="hover-link"> |
| 130 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 130 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 131 | ··</a> | 131 | ··</a> |
| 132 | ··<span·class="text">Visualizing·Message·Sequence·Charts</span> | 132 | ··<span·class="text">Visualizing·Message·Sequence·Charts</span> |
| 133 | </h2> | 133 | </h2> |
| 134 | <p>The·easiest·way·of·using·<code·class="inline">ET</code>,·is·to·just·use·it·as·a·graphical·tool·for | 134 | <p>The·easiest·way·of·using·<code·class="inline">ET</code>,·is·to·just·use·it·as·a·graphical·tool·for |
| 135 | displaying·message·sequence·charts.·In·order·to·do·that·you·need·to·first·start | 135 | displaying·message·sequence·charts.·In·order·to·do·that·you·need·to·first·start |
| 136 | a·<code·class="inline">Viewer</code>·(which·by·default·starts·a·<code·class="inline">Collector</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id="3 | 136 | a·<code·class="inline">Viewer</code>·(which·by·default·starts·a·<code·class="inline">Collector</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id="3493359498-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ViewerPid</span><span·class="p"·data-group-id="3493359498-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·488,·SHA:·ba6c94126c9da9fe9d5dafdb043713a47c9018fe837dfd5125adb64bc61773ab·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 137 | ······</span><span·class="n">CollectorPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">get_collector_pid</span><span·class="p"·data-group-id="3 | 137 | ······</span><span·class="n">CollectorPid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">get_collector_pid</span><span·class="p"·data-group-id="3493359498-5">(</span><span·class="n">ViewerPid</span><span·class="p"·data-group-id="3493359498-5">)</span><span·class="p">.</span></code></pre><p><a·href=""·id="report_event"></a></p><p>Then·you·send·events·to·the·<code·class="inline">Collector</code>·with·the·function |
| 138 | <a·href="et_collector.html#report_event/6"><code·class="inline">et_collector:report_event/6</code></a>·like·this:</p><pre><code·class="text">······et_collector:report_event(CollectorPid,85,from,to,message,extra_stuff).</code></pre><p>The·<code·class="inline">Viewer</code>·will·automatically·pull·events·from·the·<code·class="inline">Collector</code>·and·display | 138 | <a·href="et_collector.html#report_event/6"><code·class="inline">et_collector:report_event/6</code></a>·like·this:</p><pre><code·class="text">······et_collector:report_event(CollectorPid,85,from,to,message,extra_stuff).</code></pre><p>The·<code·class="inline">Viewer</code>·will·automatically·pull·events·from·the·<code·class="inline">Collector</code>·and·display |
| 139 | them·on·the·screen.</p><p>The·number·(in·this·case·85)·is·an·integer·from·1·to·100·that·specifies·the | 139 | them·on·the·screen.</p><p>The·number·(in·this·case·85)·is·an·integer·from·1·to·100·that·specifies·the |
| 140 | "detail·level"·of·the·message.·The·higher·the·number,·the·more·important·it·is. | 140 | "detail·level"·of·the·message.·The·higher·the·number,·the·more·important·it·is. |
| 141 | This·provides·a·crude·form·of·priority·filtering.</p><p>The·<code·class="inline">from</code>,·<code·class="inline">to</code>,·and·<code·class="inline">message</code>·parameters·are·exactly·what·they·sound·like. | 141 | This·provides·a·crude·form·of·priority·filtering.</p><p>The·<code·class="inline">from</code>,·<code·class="inline">to</code>,·and·<code·class="inline">message</code>·parameters·are·exactly·what·they·sound·like. |
| 142 | <code·class="inline">from</code>·and·<code·class="inline">to</code>·are·visualized·in·the·<code·class="inline">Viewer</code>·as·"lifelines",·with·the·message | 142 | <code·class="inline">from</code>·and·<code·class="inline">to</code>·are·visualized·in·the·<code·class="inline">Viewer</code>·as·"lifelines",·with·the·message |
| 143 | passing·from·one·to·the·other.·If·<code·class="inline">from</code>·and·<code·class="inline">to</code>·are·the·same·value,·then·it·is | 143 | passing·from·one·to·the·other.·If·<code·class="inline">from</code>·and·<code·class="inline">to</code>·are·the·same·value,·then·it·is |
| 144 | displayed·next·to·the·lifeline·as·an·"action".·The·<code·class="inline">extra_stuff</code>value·is·simply | 144 | displayed·next·to·the·lifeline·as·an·"action".·The·<code·class="inline">extra_stuff</code>value·is·simply |
| 145 | data·that·you·can·attach·that·will·be·displayed·when·someone·actually·clicks·on | 145 | data·that·you·can·attach·that·will·be·displayed·when·someone·actually·clicks·on |
| 146 | the·action·or·message·in·the·<code·class="inline">Viewer</code>·window.</p><p>The·module·<code·class="inline">et/examples/et_display_demo.erl</code>·illustrates·how·it·can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> | 146 | the·action·or·message·in·the·<code·class="inline">Viewer</code>·window.</p><p>The·module·<code·class="inline">et/examples/et_display_demo.erl</code>·illustrates·how·it·can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 147 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 147 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="8364303864-1">(</span><span·class="ss">et_display_demo</span><span·class="p"·data-group-id="8364303864-1">)</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="w"> | 148 | </span><span·class="w"> |
| 149 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 149 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="8364303864-2">(</span><span·class="p"·data-group-id="8364303864-3">[</span><span·class="ss">test</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="8364303864-3">]</span><span·class="p"·data-group-id="8364303864-2">)</span><span·class="p">.</span><span·class="w"> |
| 150 | </span><span·class="nf">test</span><span·class="p"·data-group-id=" | 150 | </span><span·class="nf">test</span><span·class="p"·data-group-id="8364303864-4">(</span><span·class="p"·data-group-id="8364303864-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 151 | ····</span><span·class="p"·data-group-id=" | 151 | ····</span><span·class="p"·data-group-id="8364303864-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Viewer</span><span·class="p"·data-group-id="8364303864-5">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·724,·SHA:·c4e176a91b36ae1a9858f5899739476f41c6b77e7a98523bcdd3c6b7ec1ddcb4·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 152 | ····</span><span·class="n">Drink</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 152 | ····</span><span·class="n">Drink</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8364303864-10">{</span><span·class="ss">drink</span><span·class="p">,</span><span·class="ss">iced_chai_latte</span><span·class="p"·data-group-id="8364303864-10">}</span><span·class="p">,</span><span·class="w"> |
| 153 | ····</span><span·class="n">Size</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 153 | ····</span><span·class="n">Size</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8364303864-11">{</span><span·class="nb">size</span><span·class="p">,</span><span·class="ss">grande</span><span·class="p"·data-group-id="8364303864-11">}</span><span·class="p">,</span><span·class="w"> |
| 154 | ····</span><span·class="n">Milk</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 154 | ····</span><span·class="n">Milk</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8364303864-12">{</span><span·class="ss">milk</span><span·class="p">,</span><span·class="ss">whole</span><span·class="p"·data-group-id="8364303864-12">}</span><span·class="p">,</span><span·class="w"> |
| 155 | ····</span><span·class="n">Flavor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 155 | ····</span><span·class="n">Flavor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8364303864-13">{</span><span·class="ss">flavor</span><span·class="p">,</span><span·class="ss">vanilla</span><span·class="p"·data-group-id="8364303864-13">}</span><span·class="p">,</span><span·class="w"> |
| 156 | ····</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">get_collector_pid</span><span·class="p"·data-group-id=" | 156 | ····</span><span·class="n">C</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">get_collector_pid</span><span·class="p"·data-group-id="8364303864-14">(</span><span·class="n">Viewer</span><span·class="p"·data-group-id="8364303864-14">)</span><span·class="p">,</span><span·class="w"> |
| 157 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 157 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-15">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">99</span><span·class="p">,</span><span·class="ss">customer</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">place[·...·truncated·by·diffoscope;·len:·369,·SHA:·0daa1565df0814ca7ae4f0f702598c49919536c00cce0826394b3221fa3afadc·...·]-15">)</span><span·class="p">,</span><span·class="w"> |
| 158 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-17">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="nb">register</span><span·class="p">,</span><span·class="ss">enter[·...·truncated·by·diffoscope;·len:·318,·SHA:·0f7f6042857e5a9ef43c0dc19ed0bb31b3066fe58cee55b6e285baf45740f5c1·...·]-17">)</span><span·class="p">,</span><span·class="w"> |
| 159 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 159 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-19">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="nb">register</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">give_[·...·truncated·by·diffoscope;·len:·114,·SHA:·45a6d4c97eefbfca70ca0ad7ba939e00e7f61206afe1dffae0bee1054f45e2a4·...·]-19">)</span><span·class="p">,</span><span·class="w"> |
| 160 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 160 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-20">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">get_[·...·truncated·by·diffoscope;·len:·262,·SHA:·dc1be3e50a1a439a16aeb7b74e40ef9117111fe1c6ba990baf87e34fdf114deb·...·]-20">)</span><span·class="p">,</span><span·class="w"> |
| 161 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 161 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-22">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">give[·...·truncated·by·diffoscope;·len:·184,·SHA:·ebb6f9a635c478a7097c6e8f45060152a38eddc7be08feda53ee5bc1dc3ce216·...·]-22">)</span><span·class="p">,</span><span·class="w"> |
| 162 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 162 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-24">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">90</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">customer</span><span·class="p">,</span><span·class="ss">reque[·...·truncated·by·diffoscope;·len:·117,·SHA:·0b17ba34195d4dd254ae0a4499a9b9b7062c81baa3a2094e9b546e4f6d1ad9e9·...·]-24">)</span><span·class="p">,</span><span·class="w"> |
| 163 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 163 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-25">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">90</span><span·class="p">,</span><span·class="ss">customer</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">pay_m[·...·truncated·by·diffoscope;·len:·113,·SHA:·4f9756a4740bf1b99becd0203b14ec4d65a0fbd28e6bed4e6c92704f7d47d3ba·...·]-25">)</span><span·class="p">,</span><span·class="w"> |
| 164 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 164 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-26">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">get_[·...·truncated·by·diffoscope;·len:·188,·SHA:·ac113b4208ee390de7474e00e36569834151af2bdc3579fb3ebae513b76471a3·...·]-26">)</span><span·class="p">,</span><span·class="w"> |
| 165 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 165 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-28">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">add_[·...·truncated·by·diffoscope;·len:·215,·SHA:·5a3713817ae37e8320d16928bfbb6289c9ebf3aa1837fb0da149435a5822dbec·...·]-28">)</span><span·class="p">,</span><span·class="w"> |
| 166 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 166 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-30">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">add_[·...·truncated·by·diffoscope;·len:·211,·SHA:·a39ab4d02bf61cbe01d934c578b9242ef838c06c6e1e115c96cb04aa282bb1c7·...·]-30">)</span><span·class="p">,</span><span·class="w"> |
| 167 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 167 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-32">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">add_[·...·truncated·by·diffoscope;·len:·183,·SHA:·2544b93c177ab69ada0b8b3cc5151a6af2ba75f5c10d5addddff5ebd04a2bb6d·...·]-32">)</span><span·class="p">,</span><span·class="w"> |
| 168 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 168 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-34">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">swir[·...·truncated·by·diffoscope;·len:·181,·SHA:·c68f56c195c9156fd094dd8b6e8c92d96195c8ea1e074c8fb34366508b816fba·...·]-34">)</span><span·class="p">,</span><span·class="w"> |
| 169 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id=" | 169 | ····</span><span·class="nc">et_collector</span><span·class="p">:</span><span·class="nf">report_event</span><span·class="p"·data-group-id="8364303864-36">(</span><span·class="n">C</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">customer</span><span·class="p">,</span><span·class="ss">give_[·...·truncated·by·diffoscope;·len:·273,·SHA:·4c4bbdfb197902ef7b4c249e42303717e7098480c4b075525fb06e9c1131181f·...·]-36">)</span><span·class="p">,</span><span·class="w"> |
| 170 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>When·you·run·the·<code·class="inline">et_display_demo:test().</code>·function·in·the·example·above,·the | 170 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>When·you·run·the·<code·class="inline">et_display_demo:test().</code>·function·in·the·example·above,·the |
| 171 | <code·class="inline">Viewer</code>·window·will·look·like·this:</p><p><img·src="assets/coffee_order.png"·alt="Screenshot·of·the·Viewer·window"·title="Screenshot·of·the·Viewer·window"/></p><h2·id="four-modules"·class="section-heading"> | 171 | <code·class="inline">Viewer</code>·window·will·look·like·this:</p><p><img·src="assets/coffee_order.png"·alt="Screenshot·of·the·Viewer·window"·title="Screenshot·of·the·Viewer·window"/></p><h2·id="four-modules"·class="section-heading"> |
| 172 | ··<a·href="#four-modules"·class="hover-link"> | 172 | ··<a·href="#four-modules"·class="hover-link"> |
| 173 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 173 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 174 | ··</a> | 174 | ··</a> |
| 175 | ··<span·class="text">Four·Modules</span> | 175 | ··<span·class="text">Four·Modules</span> |
| 176 | </h2> | 176 | </h2> |
| Offset 195, 15 lines modified | Offset 195, 15 lines modified | ||
| 195 | <code·class="inline">Tracer</code>·of·the·<code·class="inline">Raw·Trace·Data</code>.</p><p>Erlang·tracing·is·a·seething·pile·of·pain·that·involves·reasonably·complex | 195 | <code·class="inline">Tracer</code>·of·the·<code·class="inline">Raw·Trace·Data</code>.</p><p>Erlang·tracing·is·a·seething·pile·of·pain·that·involves·reasonably·complex |
| 196 | knowledge·of·clever·ports,·tracing·return·formats,·and·specialized·tracing | 196 | knowledge·of·clever·ports,·tracing·return·formats,·and·specialized·tracing |
| 197 | <code·class="inline">MatchSpecs</code>·(which·are·really·their·own·special·kind·of·hell).·The·tracing | 197 | <code·class="inline">MatchSpecs</code>·(which·are·really·their·own·special·kind·of·hell).·The·tracing |
| 198 | mechanism·is·very·powerful·indeed,·but·it·can·be·hard·to·grasp.</p><p>Luckily·there·is·a·simplified·way·to·start·tracing·of·<a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·function | 198 | mechanism·is·very·powerful·indeed,·but·it·can·be·hard·to·grasp.</p><p>Luckily·there·is·a·simplified·way·to·start·tracing·of·<a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·function |
| 199 | calls.·The·idea·is·that·you·should·instrument·your·code·with·calls·to | 199 | calls.·The·idea·is·that·you·should·instrument·your·code·with·calls·to |
| 200 | <a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·in·strategic·places·where·you·have·interesting·information | 200 | <a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·in·strategic·places·where·you·have·interesting·information |
| 201 | available·in·your·program.·Then·you·just·start·the·<code·class="inline">Collector</code>·with·global | 201 | available·in·your·program.·Then·you·just·start·the·<code·class="inline">Collector</code>·with·global |
| 202 | tracing·enabled:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 202 | tracing·enabled:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="1522905303-1">(</span><span·class="p"·data-group-id="1522905303-2">[</span><span·class="p"·data-group-id="1522905303-3">{</span><span·class="ss">trace_global</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·552,·SHA:·3c8654568d2da7c70cee2edb571b59064368456f6a35cd4be45805e755ec6034·...·]3-1">)</span><span·class="p">.</span></code></pre><p>This·will·start·a·<code·class="inline">Collector</code>,·a·<code·class="inline">Viewer</code>·and·also·start·the·tracing·of |
| 203 | <a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·function·calls.·The·<code·class="inline">Raw·Trace·Data</code>·is·collected·by·the | 203 | <a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·function·calls.·The·<code·class="inline">Raw·Trace·Data</code>·is·collected·by·the |
| 204 | <code·class="inline">Collector</code>·and·a·view·of·it·is·displayed·on·the·screen·by·the·<code·class="inline">Viewer</code>.·You·can | 204 | <code·class="inline">Collector</code>·and·a·view·of·it·is·displayed·on·the·screen·by·the·<code·class="inline">Viewer</code>.·You·can |
| 205 | define·your·own·"views"·of·the·data·by·implementing·your·own·<code·class="inline">Filter</code>·functions | 205 | define·your·own·"views"·of·the·data·by·implementing·your·own·<code·class="inline">Filter</code>·functions |
| 206 | and·register·them·in·the·<code·class="inline">Viewer</code>.</p><h2·id="the-collector-and-viewer"·class="section-heading"> | 206 | and·register·them·in·the·<code·class="inline">Viewer</code>.</p><h2·id="the-collector-and-viewer"·class="section-heading"> |
| 207 | ··<a·href="#the-collector-and-viewer"·class="hover-link"> | 207 | ··<a·href="#the-collector-and-viewer"·class="hover-link"> |
| 208 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 208 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 209 | ··</a> | 209 | ··</a> |
| Offset 251, 44 lines modified | Offset 251, 44 lines modified | ||
| 251 | ··</a> | 251 | ··</a> |
| 252 | ··<span·class="text">How·To·Put·It·Together</span> | 252 | ··<span·class="text">How·To·Put·It·Together</span> |
| 253 | </h2> | 253 | </h2> |
| 254 | <p>The·<code·class="inline">Collector</code>·automatically·registers·itself·to·listen·for·trace·<code·class="inline">Events</code>,·so | 254 | <p>The·<code·class="inline">Collector</code>·automatically·registers·itself·to·listen·for·trace·<code·class="inline">Events</code>,·so |
| 255 | all·you·have·to·do·is·enable·them.</p><p>For·those·people·who·want·to·do·general·tracing,·consult·the·<code·class="inline">dbg</code>·module·on·how | 255 | all·you·have·to·do·is·enable·them.</p><p>For·those·people·who·want·to·do·general·tracing,·consult·the·<code·class="inline">dbg</code>·module·on·how |
| 256 | to·trace·whatever·you're·interested·in·and·let·it·work·its·magic.·If·you·just | 256 | to·trace·whatever·you're·interested·in·and·let·it·work·its·magic.·If·you·just |
| 257 | want·<a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·to·work,·do·the·following:</p><ol><li>Create·a·<code·class="inline">Collector</code></li><li>Create·a·<code·class="inline">Viewer</code>·(this·can·do·step·#1·for·you)</li><li>Turn·on·and·pare·down·debugging</li></ol><p>The·module·<code·class="inline">et/examples/et_trace_demo.erl</code>·achieves·this.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> | 257 | want·<a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·to·work,·do·the·following:</p><ol><li>Create·a·<code·class="inline">Collector</code></li><li>Create·a·<code·class="inline">Viewer</code>·(this·can·do·step·#1·for·you)</li><li>Turn·on·and·pare·down·debugging</li></ol><p>The·module·<code·class="inline">et/examples/et_trace_demo.erl</code>·achieves·this.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w"> |
| 258 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="26 | 258 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="6266978092-1">(</span><span·class="ss">et_trace_demo</span><span·class="p"·data-group-id="6266978092-1">)</span><span·class="p">.</span><span·class="w"> |
| 259 | </span><span·class="w"> | 259 | </span><span·class="w"> |
| 260 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="26 | 260 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6266978092-2">(</span><span·class="p"·data-group-id="6266978092-3">[</span><span·class="ss">test</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="6266978092-3">]</span><span·class="p"·data-group-id="6266978092-2">)</span><span·class="p">.</span><span·class="w"> |
| 261 | </span><span·class="nf">test</span><span·class="p"·data-group-id="26 | 261 | </span><span·class="nf">test</span><span·class="p"·data-group-id="6266978092-4">(</span><span·class="p"·data-group-id="6266978092-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 262 | ····</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="26 | 262 | ····</span><span·class="nc">et_viewer</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="6266978092-5">(</span><span·class="p"·data-group-id="6266978092-6">[</span><span·class="w"> |
| 263 | ········</span><span·class="p"·data-group-id="26 | 263 | ········</span><span·class="p"·data-group-id="6266978092-7">{</span><span·class="ss">title</span><span·class="p">,</span><span·class="s">"Coffee·Order"</span><span·class="p"·data-group-id="6266978092-7">}</span><span·class="p">,</span><span·class="w"> |
| 264 | ········</span><span·class="p"·data-group-id="26 | 264 | ········</span><span·class="p"·data-group-id="6266978092-8">{</span><span·class="ss">trace_global</span><span·class="p">,</span><span·class="ss">true</span><span·class="p"·data-group-id="6266978092-8">}</span><span·class="p">,</span><span·class="w"> |
| 265 | ········</span><span·class="p"·data-group-id="26 | 265 | ········</span><span·class="p"·data-group-id="6266978092-9">{</span><span·class="nb">trace_pattern</span><span·class="p">,</span><span·class="p"·data-group-id="6266978092-10">{</span><span·class="ss">et</span><span·class="p">,</span><span·class="ss">max</span><span·class="p"·data-group-id="6266978092-[·...·truncated·by·diffoscope;·len:·53,·SHA:·999d8eb359637fd200f6b353313d173122ba80a0058daa27181e4bd3376646be·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 266 | ········</span><span·class="p"·data-group-id="26 | 266 | ········</span><span·class="p"·data-group-id="6266978092-11">{</span><span·class="ss">max_actors</span><span·class="p">,</span><span·class="mi">10</span><span·class="p"·data-group-id="6266978092-11">}</span><span·class="w"> |
| 267 | ······</span><span·class="p"·data-group-id="26 | 267 | ······</span><span·class="p"·data-group-id="6266978092-6">]</span><span·class="p"·data-group-id="6266978092-5">)</span><span·class="p">,</span><span·class="w"> |
| 268 | ······</span><span·class="c1">%%·dbg:p(all,call),</span><span·class="w"> | 268 | ······</span><span·class="c1">%%·dbg:p(all,call),</span><span·class="w"> |
| 269 | ······</span><span·class="c1">%%·dbg:tpl(et,·trace_me,·5,·[]),</span><span·class="w"> | 269 | ······</span><span·class="c1">%%·dbg:tpl(et,·trace_me,·5,·[]),</span><span·class="w"> |
| 270 | ······</span><span·class="n">Drink</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="26 | 270 | ······</span><span·class="n">Drink</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6266978092-12">{</span><span·class="ss">drink</span><span·class="p">,</span><span·class="ss">iced_chai_latte</span><span·class="p"·data-group-id="6266978092-12">}</span><span·class="p">,</span><span·class="w"> |
| 271 | ······</span><span·class="n">Size</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="26 | 271 | ······</span><span·class="n">Size</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6266978092-13">{</span><span·class="nb">size</span><span·class="p">,</span><span·class="ss">grande</span><span·class="p"·data-group-id="6266978092-13">}</span><span·class="p">,</span><span·class="w"> |
| 272 | ······</span><span·class="n">Milk</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="26 | 272 | ······</span><span·class="n">Milk</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6266978092-14">{</span><span·class="ss">milk</span><span·class="p">,</span><span·class="ss">whole</span><span·class="p"·data-group-id="6266978092-14">}</span><span·class="p">,</span><span·class="w"> |
| 273 | ······</span><span·class="n">Flavor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="26 | 273 | ······</span><span·class="n">Flavor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6266978092-15">{</span><span·class="ss">flavor</span><span·class="p">,</span><span·class="ss">vanilla</span><span·class="p"·data-group-id="6266978092-15">}</span><span·class="p">,</span><span·class="w"> |
| 274 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 274 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-16">(</span><span·class="mi">99</span><span·class="p">,</span><span·class="ss">customer</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">place_order</span><span·class="p">,</span><span·class[·...·truncated·by·diffoscope;·len:·321,·SHA:·c013f068853674cabd07bbc1e37eb5f7a7ad0f6b5737384fa5c32a872371ec8d·...·]-16">)</span><span·class="p">,</span><span·class="w"> |
| 275 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 275 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-18">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="nb">register</span><span·class="p">,</span><span·class="ss">enter_order</span><span·class="p">,</span><span·class[·...·truncated·by·diffoscope;·len:·270,·SHA:·143e1a93ee605caa41cf70a66bd19a256f768aaf873ee2ba705e25c8b3d33faa·...·]-18">)</span><span·class="p">,</span><span·class="w"> |
| 276 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 276 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-20">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="nb">register</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">give_total</span><span·class="p">,</span><span·class=[·...·truncated·by·diffoscope;·len:·66,·SHA:·32637b2176f276acee3209ab07c42faca39d1b3689cfbb4c558d2ce82c449bb0·...·]-20">)</span><span·class="p">,</span><span·class="w"> |
| 277 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 277 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-21">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">get_cup</span><span·class="p">,</span><span·class="p[·...·truncated·by·diffoscope;·len:·214,·SHA:·d0458e48136e94b429d198a61895c21942da22d41e7dc7e70899da314533235e·...·]-21">)</span><span·class="p">,</span><span·class="w"> |
| 278 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 278 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-23">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">give_cup</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·136,·SHA:·d8507b25be4692a71613fccec8980fc15791f09d765420788e34c71eee86184c·...·]-23">)</span><span·class="p">,</span><span·class="w"> |
| 279 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 279 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-25">(</span><span·class="mi">90</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">customer</span><span·class="p">,</span><span·class="ss">request_money</span><span·class="p">,</span><span·cla[·...·truncated·by·diffoscope;·len:·69,·SHA:·70f1526b0fd34eda387e061f0a29a643edc14ada33d5e26098f3f081660d4a26·...·]-25">)</span><span·class="p">,</span><span·class="w"> |
| 280 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 280 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-26">(</span><span·class="mi">90</span><span·class="p">,</span><span·class="ss">customer</span><span·class="p">,</span><span·class="ss">barrista1</span><span·class="p">,</span><span·class="ss">pay_money</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·65,·SHA:·3bb5737ee88c3f37804f9d0626b0c55a876abced0f5b23f764719fc1bc677b0f·...·]-26">)</span><span·class="p">,</span><span·class="w"> |
| 281 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 281 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-27">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">get_chai_mix</span><span·class="p">,</span><span·cla[·...·truncated·by·diffoscope;·len:·140,·SHA:·199346a6eafefc4264207bf111435a19dfffff9fe92126acb33c7c63b51c42da·...·]-27">)</span><span·class="p">,</span><span·class="w"> |
| 282 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 282 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-29">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">add_flavor</span><span·class="p">,</span><span·class[·...·truncated·by·diffoscope;·len:·167,·SHA:·8853f096533c69ffc8e6e015c5560063966e5b80715a16f1d5d87acc0b5fe956·...·]-29">)</span><span·class="p">,</span><span·class="w"> |
| 283 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 283 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-31">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">add_milk</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·163,·SHA:·ee8b525316d124c3d8cd6aa37eb8b2dbed95c321ccc45aab1041812862c3f9b7·...·]-31">)</span><span·class="p">,</span><span·class="w"> |
| 284 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 284 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-33">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">add_ice</span><span·class="p">,</span><span·class="p[·...·truncated·by·diffoscope;·len:·135,·SHA:·68d57938b516042cc1489ab8d593cd366f5aaecbde3c38d02975fee362a54d8d·...·]-33">)</span><span·class="p">,</span><span·class="w"> |
| 285 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 285 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-35">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">swirl</span><span·class="p">,</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·133,·SHA:·681f2189b98b170c4d635b6a21d33eca84db7d92aa32cd2577177bd1991a8175·...·]-35">)</span><span·class="p">,</span><span·class="w"> |
| 286 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="26 | 286 | ······</span><span·class="nc">et</span><span·class="p">:</span><span·class="nf">trace_me</span><span·class="p"·data-group-id="6266978092-37">(</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">barrista2</span><span·class="p">,</span><span·class="ss">customer</span><span·class="p">,</span><span·class="ss">give_tasty_beverage</span><span·class="p">,</span><sp[·...·truncated·by·diffoscope;·len:·225,·SHA:·97db075995b62b0fcd93e327b98421848940999701e1e8a5582252ef96ede608·...·]-37">)</span><span·class="p">,</span><span·class="w"> |
| 287 | ······</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>Running·through·the·above,·the·most·important·points·are:</p><ul><li>Turn·on·global·tracing</li><li>Set·a·<code·class="inline">Trace·Pattern</code></li><li>Tell·<code·class="inline">dbg</code>·to·trace·function·Calls</li><li>Tell·it·specifically·to·trace·the·<a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·function</li></ul><p>When·you·run·the·<code·class="inline">et_trace_demo:test()</code>·function·above,·the·<code·class="inline">Viewer</code>·window·will | 287 | ······</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>Running·through·the·above,·the·most·important·points·are:</p><ul><li>Turn·on·global·tracing</li><li>Set·a·<code·class="inline">Trace·Pattern</code></li><li>Tell·<code·class="inline">dbg</code>·to·trace·function·Calls</li><li>Tell·it·specifically·to·trace·the·<a·href="et.html#trace_me/5"><code·class="inline">et:trace_me/5</code></a>·function</li></ul><p>When·you·run·the·<code·class="inline">et_trace_demo:test()</code>·function·above,·the·<code·class="inline">Viewer</code>·window·will |
| 288 | look·like·this·screenshot:</p><p><img·src="assets/coffee_order.png"·alt="Screenshot·of·the·Viewer·window"·title="Screenshot·of·the·Viewer·window"/></p> | 288 | look·like·this·screenshot:</p><p><img·src="assets/coffee_order.png"·alt="Screenshot·of·the·Viewer·window"·title="Screenshot·of·the·Viewer·window"/></p> |
| 289 | </div> | 289 | </div> |
| 290 | <div·class="bottom-actions"·id="bottom-actions"> | 290 | <div·class="bottom-actions"·id="bottom-actions"> |
| 291 | ··<div·class="bottom-actions-item"> | 291 | ··<div·class="bottom-actions-item"> |
| Offset 333, 15 lines modified | Offset 333, 15 lines modified | ||
| 333 | ······<p·class="built-using"> | 333 | ······<p·class="built-using"> |
| 334 | ········Built·using | 334 | ········Built·using |
| 335 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 335 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 336 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 336 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 337 | ······</p> | 337 | ······</p> |
| 338 | <p>Copyright·©·1996-202 | 338 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 339 | ····</footer> | 339 | ····</footer> |
| 340 | ··</div> | 340 | ··</div> |
| 341 | </main> | 341 | </main> |
| 342 | </div> | 342 | </div> |
| 343 | <script> | 343 | <script> |
| 344 | ··function·mermaidLoaded()·{ | 344 | ··function·mermaidLoaded()·{ |
| 345 | ····mermaid.initialize({ | 345 | ····mermaid.initialize({ |
| Offset 549, 15 lines modified | Offset 549, 15 lines modified | ||
| 549 | ······<p·class="built-using"> | 549 | ······<p·class="built-using"> |
| 550 | ········Built·using | 550 | ········Built·using |
| 551 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 551 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 552 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 552 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 553 | ······</p> | 553 | ······</p> |
| 554 | <p>Copyright·©·1996-202 | 554 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 555 | ····</footer> | 555 | ····</footer> |
| 556 | ··</div> | 556 | ··</div> |
| 557 | </main> | 557 | </main> |
| 558 | </div> | 558 | </div> |
| 559 | <script> | 559 | <script> |
| 560 | ··function·mermaidLoaded()·{ | 560 | ··function·mermaidLoaded()·{ |
| 561 | ····mermaid.initialize({ | 561 | ····mermaid.initialize({ |
| Offset 546, 15 lines modified | Offset 546, 15 lines modified | ||
| 546 | ······<p·class="built-using"> | 546 | ······<p·class="built-using"> |
| 547 | ········Built·using | 547 | ········Built·using |
| 548 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 548 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 549 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 549 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 550 | ······</p> | 550 | ······</p> |
| 551 | <p>Copyright·©·1996-202 | 551 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 552 | ····</footer> | 552 | ····</footer> |
| 553 | ··</div> | 553 | ··</div> |
| 554 | </main> | 554 | </main> |
| 555 | </div> | 555 | </div> |
| 556 | <script> | 556 | <script> |
| 557 | ··function·mermaidLoaded()·{ | 557 | ··function·mermaidLoaded()·{ |
| 558 | ····mermaid.initialize({ | 558 | ····mermaid.initialize({ |
| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 191 | ······<p·class="built-using"> | 191 | ······<p·class="built-using"> |
| 192 | ········Built·using | 192 | ········Built·using |
| 193 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 193 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 194 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 194 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 195 | ······</p> | 195 | ······</p> |
| 196 | <p>Copyright·©·1996-202 | 196 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 197 | ····</footer> | 197 | ····</footer> |
| 198 | ··</div> | 198 | ··</div> |
| 199 | </main> | 199 | </main> |
| 200 | </div> | 200 | </div> |
| 201 | <script> | 201 | <script> |
| 202 | ··function·mermaidLoaded()·{ | 202 | ··function·mermaidLoaded()·{ |
| 203 | ····mermaid.initialize({ | 203 | ····mermaid.initialize({ |
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| 790 | ······<p·class="built-using"> | 790 | ······<p·class="built-using"> |
| 791 | ········Built·using | 791 | ········Built·using |
| 792 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 792 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 793 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 793 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 794 | ······</p> | 794 | ······</p> |
| 795 | <p>Copyright·©·1996-202 | 795 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 796 | ····</footer> | 796 | ····</footer> |
| 797 | ··</div> | 797 | ··</div> |
| 798 | </main> | 798 | </main> |
| 799 | </div> | 799 | </div> |
| 800 | <script> | 800 | <script> |
| 801 | ··function·mermaidLoaded()·{ | 801 | ··function·mermaidLoaded()·{ |
| 802 | ····mermaid.initialize({ | 802 | ····mermaid.initialize({ |
| Offset 338, 15 lines modified | Offset 338, 15 lines modified | ||
| 338 | ······<p·class="built-using"> | 338 | ······<p·class="built-using"> |
| 339 | ········Built·using | 339 | ········Built·using |
| 340 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 340 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 341 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 341 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 342 | ······</p> | 342 | ······</p> |
| 343 | <p>Copyright·©·1996-202 | 343 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 344 | ····</footer> | 344 | ····</footer> |
| 345 | ··</div> | 345 | ··</div> |
| 346 | </main> | 346 | </main> |
| 347 | </div> | 347 | </div> |
| 348 | <script> | 348 | <script> |
| 349 | ··function·mermaidLoaded()·{ | 349 | ··function·mermaidLoaded()·{ |
| 350 | ····mermaid.initialize({ | 350 | ····mermaid.initialize({ |
| Offset 154, 15 lines modified | Offset 154, 15 lines modified | ||
| 154 | ······<p·class="built-using"> | 154 | ······<p·class="built-using"> |
| 155 | ········Built·using | 155 | ········Built·using |
| 156 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 156 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 157 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 157 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 158 | ······</p> | 158 | ······</p> |
| 159 | <p>Copyright·©·1996-202 | 159 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 160 | ····</footer> | 160 | ····</footer> |
| 161 | ··</div> | 161 | ··</div> |
| 162 | </main> | 162 | </main> |
| 163 | </div> | 163 | </div> |
| 164 | <script> | 164 | <script> |
| 165 | ··function·mermaidLoaded()·{ | 165 | ··function·mermaidLoaded()·{ |
| 166 | ····mermaid.initialize({ | 166 | ····mermaid.initialize({ |
| Offset 769, 15 lines modified | Offset 769, 15 lines modified | ||
| 769 | ······<p·class="built-using"> | 769 | ······<p·class="built-using"> |
| 770 | ········Built·using | 770 | ········Built·using |
| 771 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 771 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 772 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 772 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 773 | ······</p> | 773 | ······</p> |
| 774 | <p>Copyright·©·1996-202 | 774 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 775 | ····</footer> | 775 | ····</footer> |
| 776 | ··</div> | 776 | ··</div> |
| 777 | </main> | 777 | </main> |
| 778 | </div> | 778 | </div> |
| 779 | <script> | 779 | <script> |
| 780 | ··function·mermaidLoaded()·{ | 780 | ··function·mermaidLoaded()·{ |
| 781 | ····mermaid.initialize({ | 781 | ····mermaid.initialize({ |
| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 181, 15 lines modified | Offset 181, 15 lines modified | ||
| 181 | ······<p·class="built-using"> | 181 | ······<p·class="built-using"> |
| 182 | ········Built·using | 182 | ········Built·using |
| 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 185 | ······</p> | 185 | ······</p> |
| 186 | <p>Copyright·©·1996-202 | 186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 187 | ····</footer> | 187 | ····</footer> |
| 188 | ··</div> | 188 | ··</div> |
| 189 | </main> | 189 | </main> |
| 190 | </div> | 190 | </div> |
| 191 | <script> | 191 | <script> |
| 192 | ··function·mermaidLoaded()·{ | 192 | ··function·mermaidLoaded()·{ |
| 193 | ····mermaid.initialize({ | 193 | ····mermaid.initialize({ |
| Offset 1840, 15 lines modified | Offset 1840, 15 lines modified | ||
| 1840 | ······<p·class="built-using"> | 1840 | ······<p·class="built-using"> |
| 1841 | ········Built·using | 1841 | ········Built·using |
| 1842 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1842 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1843 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1843 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1844 | ······</p> | 1844 | ······</p> |
| 1845 | <p>Copyright·©·1996-202 | 1845 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1846 | ····</footer> | 1846 | ····</footer> |
| 1847 | ··</div> | 1847 | ··</div> |
| 1848 | </main> | 1848 | </main> |
| 1849 | </div> | 1849 | </div> |
| 1850 | <script> | 1850 | <script> |
| 1851 | ··function·mermaidLoaded()·{ | 1851 | ··function·mermaidLoaded()·{ |
| 1852 | ····mermaid.initialize({ | 1852 | ····mermaid.initialize({ |
| Offset 122, 33 lines modified | Offset 122, 33 lines modified | ||
| 122 | ······</a> | 122 | ······</a> |
| 123 | ····<span>Examples</span> | 123 | ····<span>Examples</span> |
| 124 | ··</h1> | 124 | ··</h1> |
| 125 | <p>The·following·is·a·simple·example·of·an·FTP·session,·where·the·user·<code·class="inline">guest</code>·with | 125 | <p>The·following·is·a·simple·example·of·an·FTP·session,·where·the·user·<code·class="inline">guest</code>·with |
| 126 | password·<code·class="inline">password</code>·logs·on·to·the·remote·host·<code·class="inline">erlang.org</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 126 | password·<code·class="inline">password</code>·logs·on·to·the·remote·host·<code·class="inline">erlang.org</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="4649215820-1">(</span><span·class="p"·data-group-id="4649215820-1">)</span><span·class="p">.</span><span·class="w"> |
| 127 | ······</span><span·class="ss">ok</span><span·class="w"> | 127 | ······</span><span·class="ss">ok</span><span·class="w"> |
| 128 | ······</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id=" | 128 | ······</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id="4649215820-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="4649215820-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·497,·SHA:·21accf1a99a50fb76f90ee370e3e31708e25f8a7f307601a0806c5ed74106e81·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 129 | ······</span><span·class="p"·data-group-id=" | 129 | ······</span><span·class="p"·data-group-id="4649215820-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.22</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="4649215820-6">}</span><span·class="w"> |
| 130 | ······</span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">user</span><span·class="p"·data-group-id=" | 130 | ······</span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">user</span><span·class="p"·data-group-id="4649215820-7">(</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"guest"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"password"</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·d4e1332239fa1cf3f11d3081346132ebf4d55acda97b3433f5dc8b8f28dcef4b·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 131 | ······</span><span·class="ss">ok</span><span·class="w"> | 131 | ······</span><span·class="ss">ok</span><span·class="w"> |
| 132 | ······</span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">pwd</span><span·class="p"·data-group-id=" | 132 | ······</span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">pwd</span><span·class="p"·data-group-id="4649215820-8">(</span><span·class="n">Pid</span><span·class="p"·data-group-id="4649215820-8">)</span><span·class="p">.</span><span·class="w"> |
| 133 | ······</span><span·class="p"·data-group-id=" | 133 | ······</span><span·class="p"·data-group-id="4649215820-9">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/home/guest"</span><span·class="p"·data-group-id="4649215820-9">}</span><span·class="w"> |
| 134 | ······</span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">cd</span><span·class="p"·data-group-id=" | 134 | ······</span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">cd</span><span·class="p"·data-group-id="4649215820-10">(</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"appl/examples"</span><span·class="p"·data-group-id="4649215820-10">)</span><span·class="p">.</span><span·class="w"> |
| 135 | ······</span><span·class="ss">ok</span><span·class="w"> | 135 | ······</span><span·class="ss">ok</span><span·class="w"> |
| 136 | ······</span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">lpwd</span><span·class="p"·data-group-id=" | 136 | ······</span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">lpwd</span><span·class="p"·data-group-id="4649215820-11">(</span><span·class="n">Pid</span><span·class="p"·data-group-id="4649215820-11">)</span><span·class="p">.</span><span·class="w"> |
| 137 | ······</span><span·class="p"·data-group-id=" | 137 | ······</span><span·class="p"·data-group-id="4649215820-12">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/home/fred"</span><span·class="p"·data-group-id="4649215820-12">}</span><span·class="p">.</span><span·class="w"> |
| 138 | ······</span><span·class="mi">7</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">lcd</span><span·class="p"·data-group-id=" | 138 | ······</span><span·class="mi">7</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">lcd</span><span·class="p"·data-group-id="4649215820-13">(</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/home/eproj/examples"</span><span·class="p"·data-group-id="4649215820-13">)</span><span·class="p">.</span><span·class="w"> |
| 139 | ······</span><span·class="ss">ok</span><span·class="w"> | 139 | ······</span><span·class="ss">ok</span><span·class="w"> |
| 140 | ······</span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id=" | 140 | ······</span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id="4649215820-14">(</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"appl.erl"</span><span·class="p"·data-group-id="4649215820-14">)</span><span·class="p">.</span><span·class="w"> |
| 141 | ······</span><span·class="ss">ok</span><span·class="w"> | 141 | ······</span><span·class="ss">ok</span><span·class="w"> |
| 142 | ······</span><span·class="mi">9</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 142 | ······</span><span·class="mi">9</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="4649215820-15">(</span><span·class="n">Pid</span><span·class="p"·data-group-id="4649215820-15">)</span><span·class="p">.</span><span·class="w"> |
| 143 | ······</span><span·class="ss">ok</span><span·class="w"> | 143 | ······</span><span·class="ss">ok</span><span·class="w"> |
| 144 | ······</span><span·class="mi">10</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 144 | ······</span><span·class="mi">10</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ftp</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="4649215820-16">(</span><span·class="p"·data-group-id="4649215820-16">)</span><span·class="p">.</span><span·class="w"> |
| 145 | ······</span><span·class="ss">ok</span></code></pre><p>The·file·<code·class="inline">appl.erl</code>·is·transferred·from·the·remote·to·the·local·host.·When·the | 145 | ······</span><span·class="ss">ok</span></code></pre><p>The·file·<code·class="inline">appl.erl</code>·is·transferred·from·the·remote·to·the·local·host.·When·the |
| 146 | session·is·opened,·the·current·directory·at·the·remote·host·is·<code·class="inline">/home/guest</code>, | 146 | session·is·opened,·the·current·directory·at·the·remote·host·is·<code·class="inline">/home/guest</code>, |
| 147 | and·<code·class="inline">/home/fred</code>·at·the·local·host.·Before·transferring·the·file,·the·current | 147 | and·<code·class="inline">/home/fred</code>·at·the·local·host.·Before·transferring·the·file,·the·current |
| 148 | local·directory·is·changed·to·<code·class="inline">/home/eproj/examples</code>,·and·the·remote·directory | 148 | local·directory·is·changed·to·<code·class="inline">/home/eproj/examples</code>,·and·the·remote·directory |
| 149 | is·set·to·<code·class="inline">/home/guest/appl/examples</code>.</p> | 149 | is·set·to·<code·class="inline">/home/guest/appl/examples</code>.</p> |
| 150 | </div> | 150 | </div> |
| Offset 187, 15 lines modified | Offset 187, 15 lines modified | ||
| 187 | ······<p·class="built-using"> | 187 | ······<p·class="built-using"> |
| 188 | ········Built·using | 188 | ········Built·using |
| 189 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 189 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 190 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 190 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 191 | ······</p> | 191 | ······</p> |
| 192 | <p>Copyright·©·1996-202 | 192 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 193 | ····</footer> | 193 | ····</footer> |
| 194 | ··</div> | 194 | ··</div> |
| 195 | </main> | 195 | </main> |
| 196 | </div> | 196 | </div> |
| 197 | <script> | 197 | <script> |
| 198 | ··function·mermaidLoaded()·{ | 198 | ··function·mermaidLoaded()·{ |
| 199 | ····mermaid.initialize({ | 199 | ····mermaid.initialize({ |
| Offset 177, 15 lines modified | Offset 177, 15 lines modified | ||
| 177 | ······<p·class="built-using"> | 177 | ······<p·class="built-using"> |
| 178 | ········Built·using | 178 | ········Built·using |
| 179 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 179 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 180 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 180 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 181 | ······</p> | 181 | ······</p> |
| 182 | <p>Copyright·©·1996-202 | 182 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 183 | ····</footer> | 183 | ····</footer> |
| 184 | ··</div> | 184 | ··</div> |
| 185 | </main> | 185 | </main> |
| 186 | </div> | 186 | </div> |
| 187 | <script> | 187 | <script> |
| 188 | ··function·mermaidLoaded()·{ | 188 | ··function·mermaidLoaded()·{ |
| 189 | ····mermaid.initialize({ | 189 | ····mermaid.initialize({ |
| Offset 452, 15 lines modified | Offset 452, 15 lines modified | ||
| 452 | ······<p·class="built-using"> | 452 | ······<p·class="built-using"> |
| 453 | ········Built·using | 453 | ········Built·using |
| 454 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 454 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 455 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 455 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 456 | ······</p> | 456 | ······</p> |
| 457 | <p>Copyright·©·1996-202 | 457 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 458 | ····</footer> | 458 | ····</footer> |
| 459 | ··</div> | 459 | ··</div> |
| 460 | </main> | 460 | </main> |
| 461 | </div> | 461 | </div> |
| 462 | <script> | 462 | <script> |
| 463 | ··function·mermaidLoaded()·{ | 463 | ··function·mermaidLoaded()·{ |
| 464 | ····mermaid.initialize({ | 464 | ····mermaid.initialize({ |
| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 273, 15 lines modified | Offset 273, 15 lines modified | ||
| 273 | ······<p·class="built-using"> | 273 | ······<p·class="built-using"> |
| 274 | ········Built·using | 274 | ········Built·using |
| 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 277 | ······</p> | 277 | ······</p> |
| 278 | <p>Copyright·©·1996-202 | 278 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 279 | ····</footer> | 279 | ····</footer> |
| 280 | ··</div> | 280 | ··</div> |
| 281 | </main> | 281 | </main> |
| 282 | </div> | 282 | </div> |
| 283 | <script> | 283 | <script> |
| 284 | ··function·mermaidLoaded()·{ | 284 | ··function·mermaidLoaded()·{ |
| 285 | ····mermaid.initialize({ | 285 | ····mermaid.initialize({ |
| Offset 134, 40 lines modified | Offset 134, 40 lines modified | ||
| 134 | <p>The·HTTP·client·default·profile·is·started·when·the·<code·class="inline">Inets</code>·application·is | 134 | <p>The·HTTP·client·default·profile·is·started·when·the·<code·class="inline">Inets</code>·application·is |
| 135 | started·and·is·then·available·to·all·processes·on·that·Erlang·node.·Other | 135 | started·and·is·then·available·to·all·processes·on·that·Erlang·node.·Other |
| 136 | profiles·can·also·be·started·at·application·startup,·or·profiles·can·be·started | 136 | profiles·can·also·be·started·at·application·startup,·or·profiles·can·be·started |
| 137 | and·stopped·dynamically·in·runtime.·Each·client·profile·spawns·a·new·process·to | 137 | and·stopped·dynamically·in·runtime.·Each·client·profile·spawns·a·new·process·to |
| 138 | handle·each·request,·unless·a·persistent·connection·can·be·used·with·or·without | 138 | handle·each·request,·unless·a·persistent·connection·can·be·used·with·or·without |
| 139 | pipelining.·The·client·adds·a·<code·class="inline">host</code>·header·and·an·empty·<code·class="inline">te</code>·header·if·there | 139 | pipelining.·The·client·adds·a·<code·class="inline">host</code>·header·and·an·empty·<code·class="inline">te</code>·header·if·there |
| 140 | are·no·such·headers·present·in·the·request.</p><p>The·client·supports·IPv6·as·long·as·the·underlying·mechanisms·also·do·so.</p><p>The·following·is·to·be·put·in·the·Erlang·node·application·configuration·file·to | 140 | are·no·such·headers·present·in·the·request.</p><p>The·client·supports·IPv6·as·long·as·the·underlying·mechanisms·also·do·so.</p><p>The·following·is·to·be·put·in·the·Erlang·node·application·configuration·file·to |
| 141 | start·a·profile·at·application·startup:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 141 | start·a·profile·at·application·startup:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8980834727-1">[</span><span·class="p"·data-group-id="8980834727-2">{</span><span·class="ss">inets</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8980834727-3">[</span><span·class="p"·data-group-id="8980834727-4">{</spa[·...·truncated·by·diffoscope;·len:·606,·SHA:·2bc058423967a9d80e02045ea505a0db4c7afad5698182be3209bf95c839a0a5·...·]-1">]</span></code></pre><p>For·valid·properties,·see·<a·href="httpc.html"><code·class="inline">httpc</code></a>.</p><h2·id="getting-started"·class="section-heading"> |
| 142 | ··<a·href="#getting-started"·class="hover-link"> | 142 | ··<a·href="#getting-started"·class="hover-link"> |
| 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 144 | ··</a> | 144 | ··</a> |
| 145 | ··<span·class="text">Getting·Started</span> | 145 | ··<span·class="text">Getting·Started</span> |
| 146 | </h2> | 146 | </h2> |
| 147 | <p>Start·<code·class="inline">Inets</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">inets</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 147 | <p>Start·<code·class="inline">Inets</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">inets</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="9409288933-1">(</span><span·class="p"·data-group-id="9409288933-1">)</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="ss">ok</span></code></pre><p>The·following·calls·use·the·default·client·profile.·Use·the·proxy | 148 | </span><span·class="ss">ok</span></code></pre><p>The·following·calls·use·the·default·client·profile.·Use·the·proxy |
| 149 | <code·class="inline">"www-proxy.mycompany.com:8000"</code>,·except·from·requests·to·localhost.·This | 149 | <code·class="inline">"www-proxy.mycompany.com:8000"</code>,·except·from·requests·to·localhost.·This |
| 150 | applies·to·all·the·following·requests.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">set_options</span><span·class="p"·data-group-id=" | 150 | applies·to·all·the·following·requests.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">set_options</span><span·class="p"·data-group-id="1875635932-1">(</span><span·class="p"·data-group-id="1875635932-2">[</span><span·class="p"·data-group-id="1875635932-3">{</span><span·class="ss">proxy</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1875635932-4">{</spa[·...·truncated·by·diffoscope;·len:·229,·SHA:·562749da1d00028b5fc8395f900f262bbc968ee719a1e3484e674b66c16d5ede·...·]2-5">}</span><span·class="p">,</span><span·class="w"> |
| 151 | </span><span·class="p"·data-group-id=" | 151 | </span><span·class="p"·data-group-id="1875635932-6">[</span><span·class="s">"localhost"</span><span·class="p"·data-group-id="1875635932-6">]</span><span·class="p"·data-group-id="1875635932-4">}</span><span·class="p"·data-group-id="1875635932-3">}</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·62,·SHA:·2e271eb7528adae9e4ceb1276f2ac723566da83626cf1d1c9e59e01fc7bd7a02·...·]2-1">)</span><span·class="p">.</span><span·class="w"> |
| 152 | </span><span·class="ss">ok</span></code></pre><p>The·following·is·an·ordinary·synchronous·request:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="p"·data-group-id=" | 152 | </span><span·class="ss">ok</span></code></pre><p>The·following·is·an·ordinary·synchronous·request:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="p"·data-group-id="1807760744-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1807760744-2">{</span><span·class="p"·data-group-id="1807760744-3">{</span><span·class="n">Version</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·434,·SHA:·5ed695039654a9d68a2171e0f07d36fda9dabc5f79722ff6fda4d2fb80c161e3·...·]-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 153 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id=" | 153 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="1807760744-4">(</span><span·class="nb">get</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1807760744-5">{</span><span·class="s">"http://www.erlang.org"</span><span·class="p">,</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·506,·SHA:·6374e00463eecb8b4aed324f4e7648815be8d3ff07ec927e0ee21ef8694fe07a·...·]-4">)</span><span·class="p">.</span></code></pre><p>With·all·the·default·values·presented,·a·get·request·can·also·be·written·as |
| 154 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="p"·data-group-id=" | 154 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="p"·data-group-id="8157114213-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8157114213-2">{</span><span·class="p"·data-group-id="8157114213-3">{</span><span·class="n">Version</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·434,·SHA:·12f39468f715e1ae3aad25bc6fee264366dd4d0479be6c4a7a7c2222ee19c181·...·]-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 155 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="9354445769-4">(</span><span·class="s">"http://www.erlang.org"</span><span·class="p"·data-group-id="9354445769-4">)</span><span·class="p">.</span></code></pre><p>The·following·is·a·https·request·and·with·verification·of·the·host:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="p"·data-group-id="9673133106-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9673133106-2">{</span><span·class="p"·data-group-id="9673133106-3">{</span><span·class="n">Version</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">200</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ReasonPhrase</span><span·class="p"·data-group-id="9673133106-3">}</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Headers</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Body</span><span·class="p"·data-group-id="9673133106-2">}</span><span·class="p"·data-group-id="9673133106-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | ||
| 156 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="9673133106-4">(</span><span·class="nb">get</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9673133106-5">{</span><span·class="s">"https://www.erlang.org"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9673133106-6">[</span><span·class="p"·data-group-id="9673133106-6">]</span><span·class="p"·data-group-id="9673133106-5">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9673133106-7">[</span><span·class="p"·data-group-id="9673133106-8">{</span><span·class="ss">ssl</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">ssl_verify_host_options</span><span·class="p"·data-group-id="9673133106-9">(</span><span·class="ss">true</span><span·class="p"·data-group-id="9673133106-9">)</span><span·class="p"·data-group-id="9673133106-8">}</span><span·class="p"·data-group-id="9673133106-7">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9673133106-10">[</span><span·class="p"·data-group-id="9673133106-10">]</span><span·class="p"·data-group-id="9673133106-4">)</span><span·class="p">.</span></code></pre><p>The·following·is·an·ordinary·asynchronous·request:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="p"·data-group-id="6284871915-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RequestId</span><span·class="p"·data-group-id="6284871915-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | ||
| 157 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id=" | 155 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="8157114213-4">(</span><span·class="s">"http://www.erlang.org"</span><span·class="p"·data-group-id="8157114213-4">)</span><span·class="p">.</span></code></pre><p>The·following·is·a·https·request·and·with·verification·of·the·host:</p><pre><code·cla[·...·truncated·by·diffoscope;·len:·874,·SHA:·43820b47bd7dd73d6eed338acf50822401345dd2dbd0813ce96b21edfeb420a6·...·] |
| 156 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="4439099169-4">(</span><span·class="nb">get</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4439099169-5">{</span><span·class="s">"https://www.erlang.org"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4439099169-6">[</span><span·class="p"·data-group-id="4439099169-6">]</span><span·class="p"·data-group-id="4439099169-5">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4439099169-7">[</span><span·class="p"·data-group-id="4439099169-8">{</span><span·class="ss">ssl</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">ssl_verify_host_options</span><span·class="p"·data-group-id="4439099169-9">(</span><span·class="ss">true</span><span·class="p"·data-group-id="4439099169-9">)</span><span·class="p"·data-group-id="4439099169-8">}</span><span·class="p"·data-group-id="4439099169-7">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4439099169-10">[</span><span·class="p"·data-group-id="4439099169-10">]</span><span·class="p"·data-group-id="4439099169-4">)</span><span·class="p">.</span></code></pre><p>The·following·is·an·ordinary·asynchronous·request:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="p"·data-group-id="6672964982-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RequestId</span><span·class="p"·data-group-id="6672964982-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | ||
| 157 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="6672964982-2">(</span><span·class="nb">get</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6672964982-3">{</span><span·class="s">"http://www.erlang.org"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6672964982-4">[</span><span·class="p"·data-group-id="6672964982-4">]</span><span·class="p"·data-group-id="6672964982-3">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6672964982-5">[</span><span·class="p"·data-group-id="6672964982-5">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6672964982-6">[</span><span·class="p"·data-group-id="6672964982-7">{</span><span·class="ss">sync</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="6672964982-7">}</span><span·class="p"·data-group-id="6672964982-6">]</span><span·class="p"·data-group-id="6672964982-2">)</span><span·class="p">.</span></code></pre><p>The·result·is·sent·to·the·calling·process·as·<code·class="inline">{http,·{ReqestId,·Result}}</code>.</p><p>In·this·case,·the·calling·process·is·the·shell,·so·the·following·result·is | ||
| 158 | received:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">7>·</span><span·class="k">receive</span><span·class="w">·</span><span·class="p"·data-group-id=" | 158 | received:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">7>·</span><span·class="k">receive</span><span·class="w">·</span><span·class="p"·data-group-id="3353508265-1">{</span><span·class="ss">http</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3353508265-2">{</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</s[·...·truncated·by·diffoscope;·len:·98,·SHA:·e852b3c3914d70ccef4609d72c572befc059221bd32817695a61ced4b95fafbe·...·]-1">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">500</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">error</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="ss">ok</span></code></pre><p>This·sends·a·request·with·a·specified·connection·header:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">8>·</span><span·class="p"·data-group-id="1319781999-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1319781999-2">{</span><span·class="p"·data-group-id="1319781999-3">{</span><span·class="n">NewVersion</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">200</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NewReasonPhrase</span><span·class="p"·data-group-id="1319781999-3">}</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NewHeaders</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NewBody</span><span·class="p"·data-group-id="1319781999-2">}</span><span·class="p"·data-group-id="1319781999-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | ||
| 160 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="1319781999-4">(</span><span·class="nb">get</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1319781999-5">{</span><span·class="s">"http://www.erlang.org"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1319781999-6">[</span><span·class="p"·data-group-id="1319781999-7">{</span><span·class="s">"connection"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"close"</span><span·class="p"·data-group-id="1319781999-7">}</span><span·class="p"·data-group-id="1319781999-6">]</span><span·class="p"·data-group-id="1319781999-5">}</span><span·class="p">,</span><span·class="w"> | ||
| 161 | </span><span·class=" | 159 | </span><span·class="ss">ok</span></code></pre><p>This·sends·a·request·with·a·specified·connection·header:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">8>·</span><span·class="p"·data-group-id="8725239496-1">{</span><span·class="ss">ok</sp[·...·truncated·by·diffoscope;·len:·731,·SHA:·54422b371f3b3c9f19cffbd030e7b5cf9b3d36f4a679cefca7b8adb6099ec4e9·...·]"> |
| 160 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="8725239496-4">(</span><span·class="nb">get</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8725239496-5">{</span><span·class="s">"http://www.erlang.org"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8725239496-6">[</span><span·class="p"·data-group-id="8725239496-7">{</span><span·class="s">"connection"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"close"</span><span·class="p"·data-group-id="8725239496-7">}</span><span·class="p"·data-group-id="8725239496-6">]</span><span·class="p"·data-group-id="8725239496-5">}</span><span·class="p">,</span><span·class="w"> | ||
| 161 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p"·data-group-id="8725239496-8">[</span><span·class="p"·data-group-id="8725239496-8">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8725239496-9">[</span><span·class="p"·data-group-id="8725239496-9">]</span><span·class="p"·data-group-id="8725239496-4">)</span><span·class="p">.</span></code></pre><p>This·sends·an·HTTP·request·over·a·unix·domain·socket·(experimental):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">9>·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">set_options</span><span·class="p"·data-group-id="9744136529-1">(</span><span·class="p"·data-group-id="9744136529-2">[</span><span·class="p"·data-group-id="9744136529-3">{</span><span·class="ss">ipfamily</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">local</span><span·class="p"·data-group-id="9744136529-3">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9744136529-4">{</span><span·class="ss">unix_socket</span><span·class="p">,</span><span·class="s">"/tmp/unix_socket/consul_http.sock"</span><span·class="p"·data-group-id="9744136529-4">}</span><span·class="p"·data-group-id="9744136529-2">]</span><span·class="p"·data-group-id="9744136529-1">)</span><span·class="p">.</span><span·class="gp·unselectable"> | ||
| 162 | 10>·</span><span·class="p"·data-group-id=" | 162 | 10>·</span><span·class="p"·data-group-id="9744136529-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9744136529-6">{</span><span·class="p"·data-group-id="9744136529-7">{</span><span·class="n">NewVersion</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·446,·SHA:·2238fd1a8937803397dee973aadeecf458fbc3aafc547fafb519e7f098f414cc·...·]-5">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 163 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id=" | 163 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="nc">httpc</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="9744136529-8">(</span><span·class="nb">put</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9744136529-9">{</span><span·class="s">"http:///v1/kv/foo"</span><span·class="p">,</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·1778,·SHA:·97fe3aeb5506b34fbf6eb528ab459b35cb912b6cff82ea6f0eb3c54acbbe74e6·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 164 | </span><span·class="p"·data-group-id=" | 164 | </span><span·class="p"·data-group-id="6215763258-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.45</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·513,·SHA:·18ed9097061deb76dd6fc8f63c029154c64570f9090b377dc249250f08e05c07·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="p"·data-group-id="44 | 165 | </span><span·class="p"·data-group-id="4481730259-2">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">econnrefused</span><span·class="p"·data-group-id="4481730259-2">}</span></code></pre><p>Stop·the·HTTP·client·profile:</p><pre><code·class="mak[·...·truncated·by·diffoscope;·len:·350,·SHA:·c659ac2339ebdfd3d844a4af2a8fd8af02fdbc6f3de1315ba48e62a96f2c7298·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 166 | </span><span·class="ss">ok</span></code></pre><p>Alternative·way·to·stop·the·HTTP·client·profile:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">13>·</span><span·class="nc">inets</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 166 | </span><span·class="ss">ok</span></code></pre><p>Alternative·way·to·stop·the·HTTP·client·profile:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">13>·</span><span·class="nc">inets</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2800073918-1">(</span><span·class="ss">httpc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="2800073918-1">)</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="ss">ok</span></code></pre> | 167 | </span><span·class="ss">ok</span></code></pre> |
| 168 | </div> | 168 | </div> |
| 169 | <div·class="bottom-actions"·id="bottom-actions"> | 169 | <div·class="bottom-actions"·id="bottom-actions"> |
| 170 | ··<div·class="bottom-actions-item"> | 170 | ··<div·class="bottom-actions-item"> |
| 171 | ······<a·href="inets_services.html"·class="bottom-actions-button"·rel="prev"> | 171 | ······<a·href="inets_services.html"·class="bottom-actions-button"·rel="prev"> |
| Offset 211, 15 lines modified | Offset 211, 15 lines modified | ||
| 211 | ······<p·class="built-using"> | 211 | ······<p·class="built-using"> |
| 212 | ········Built·using | 212 | ········Built·using |
| 213 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 213 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 214 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 214 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 215 | ······</p> | 215 | ······</p> |
| 216 | <p>Copyright·©·1996-202 | 216 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 217 | ····</footer> | 217 | ····</footer> |
| 218 | ··</div> | 218 | ··</div> |
| 219 | </main> | 219 | </main> |
| 220 | </div> | 220 | </div> |
| 221 | <script> | 221 | <script> |
| 222 | ··function·mermaidLoaded()·{ | 222 | ··function·mermaidLoaded()·{ |
| 223 | ····mermaid.initialize({ | 223 | ····mermaid.initialize({ |
| Offset 137, 54 lines modified | Offset 137, 54 lines modified | ||
| 137 | underlying·mechanisms·also·do·so.</p><p>The·server·implements·numerous·features,·such·as:</p><ul><li>Secure·Sockets·Layer·(SSL)</li><li>Erlang·Scripting·Interface·(ESI)</li><li>Common·Gateway·Interface·(CGI)</li><li>User·Authentication·(using·Mnesia,·Dets·or·plain·text·database)</li><li>Common·Logfile·Format·(with·or·without·disk_log(3)·support)</li><li>URL·Aliasing</li><li>Action·Mappings</li><li>Directory·Listings</li></ul><p>The·configuration·of·the·server·is·provided·as·an·Erlang·property·list.</p><p>As·of·<code·class="inline">Inets</code>·5.0·the·HTTP·server·is·an·easy·to·start/stop·and·customize·web | 137 | underlying·mechanisms·also·do·so.</p><p>The·server·implements·numerous·features,·such·as:</p><ul><li>Secure·Sockets·Layer·(SSL)</li><li>Erlang·Scripting·Interface·(ESI)</li><li>Common·Gateway·Interface·(CGI)</li><li>User·Authentication·(using·Mnesia,·Dets·or·plain·text·database)</li><li>Common·Logfile·Format·(with·or·without·disk_log(3)·support)</li><li>URL·Aliasing</li><li>Action·Mappings</li><li>Directory·Listings</li></ul><p>The·configuration·of·the·server·is·provided·as·an·Erlang·property·list.</p><p>As·of·<code·class="inline">Inets</code>·5.0·the·HTTP·server·is·an·easy·to·start/stop·and·customize·web |
| 138 | server·providing·the·most·basic·web·server·functionality.·Inets·is·designed·for | 138 | server·providing·the·most·basic·web·server·functionality.·Inets·is·designed·for |
| 139 | embedded·systems·and·if·you·want·a·full-fledged·web·server·there·are·other | 139 | embedded·systems·and·if·you·want·a·full-fledged·web·server·there·are·other |
| 140 | erlang·open·source·alternatives.</p><p>Almost·all·server·functionality·has·been·implemented·using·an·especially·crafted | 140 | erlang·open·source·alternatives.</p><p>Almost·all·server·functionality·has·been·implemented·using·an·especially·crafted |
| 141 | server·API,·which·is·described·in·the·Erlang·Web·Server·API.·This·API·can·be | 141 | server·API,·which·is·described·in·the·Erlang·Web·Server·API.·This·API·can·be |
| 142 | used·to·enhance·the·core·server·functionality,·for·example·with·custom·logging | 142 | used·to·enhance·the·core·server·functionality,·for·example·with·custom·logging |
| 143 | and·authentication.</p><p>The·following·is·to·be·put·in·the·Erlang·node·application·configuration·file·to | 143 | and·authentication.</p><p>The·following·is·to·be·put·in·the·Erlang·node·application·configuration·file·to |
| 144 | start·an·HTTP·server·at·application·startup:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0269067731-1">[</span><span·class="p"·data-group-id="0269067731-2">{</span><span·class="ss">inets</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0269067731-3">[</span><span·class="p"·data-group-id="0269067731-4">{</span><span·class="ss">services</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0269067731-5">[</span><span·class="p"·data-group-id="0269067731-6">{</span><span·class="ss">httpd</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0269067731-7">[</span><span·class="p"·data-group-id="0269067731-8">{</span><span·class="ss">proplist_file</span><span·class="p">,</span><span·class="w"> | ||
| 145 | 144 | start·an·HTTP·server·at·application·startup:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9706519381-1">[</span><span·class="p"·data-group-id="9706519381-2">{</span><span·class="ss">inets</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·528,·SHA:·d59c95986ce885c49ecff1e2f2eb2c4a59bff1d3d638da2275460e1f703d099c·...·]</span><span·class="p">,</span><span·class="w"> | |
| 145 | ···········</span><span·class="s">"/var/tmp/server_root/conf/8888_props.conf"</span><span·class="p"·data-group-id="9706519381-8">}</span><span·class="p"·data-group-id="9706519381-7">]</span><span·class="p"·data-group-id="9706519381-6">}</span><span·class="p">,</span><span·class="w"> | ||
| 146 | ··········</span><span·class="p"·data-group-id=" | 146 | ··········</span><span·class="p"·data-group-id="9706519381-9">{</span><span·class="ss">httpd</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9706519381-10">[</span><span·class="p"·data-group-id="9706519381-11">{</span><span·class="ss">proplist_file</span><span·class="p">,</span><span·class="w"> |
| 147 | ···········</span><span·class="s">"/var/tmp/server_root/conf/8080_props.conf"</span><span·class="p"·data-group-id="0269067731-11">}</span><span·class="p"·data-group-id="0269067731-10">]</span><span·class="p"·data-group-id="0269067731-9">}</span><span·class="p"·data-group-id="0269067731-5">]</span><span·class="p"·data-group-id="0269067731-4">}</span><span·class="p"·data-group-id="0269067731-3">]</span><span·class="p"·data-group-id="0269067731-2">}</span><span·class="p"·data-group-id="0269067731-1">]</span><span·class="p">.</span></code></pre><p>The·server·is·configured·using·an·Erlang·property·list.·For·the·available | ||
| 148 | 147 | ···········</span><span·class="s">"/var/tmp/server_root/conf/8080_props.conf"</span><span·class="p"·data-group-id="9706519381-11">}</span><span·class="p"·data-group-id="9706519381-10">]</span><span·class="p"·data-group-id="9706519381-9">}</span><[·...·truncated·by·diffoscope;·len:·377,·SHA:·d6a9c4d0152fd44cc557789ce01d3c6b1766333ca60173e485d6d6d017cec9db·...·] | |
| 148 | properties,·see·<a·href="httpd.html"><code·class="inline">httpd</code></a>.</p><p>The·available·configuration·properties·are·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">httpd_service</span><span·class="p"·data-group-id="4523544965-1">(</span><span·class="p"·data-group-id="4523544965-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="4523544965-2">{</span><span·class="ss">httpd</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">httpd</span><span·class="p"·data-group-id="4523544965-3">(</span><span·class="p"·data-group-id="4523544965-3">)</span><span·class="p"·data-group-id="4523544965-2">}</span><span·class="w"> | ||
| 149 | </span><span·class="nf">httpd</span><span·class="p"·data-group-id=" | 149 | </span><span·class="nf">httpd</span><span·class="p"·data-group-id="4523544965-4">(</span><span·class="p"·data-group-id="4523544965-4">)</span><span·class="w">·········</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="4523544965-5">[</span><span·class="nf">httpd_config</span><span·cl[·...·truncated·by·diffoscope;·len:·139,·SHA:·540056dd10c312a7bcb85f0e5431a63f2824b0d458637216a5f240b31c31bac3·...·]-5">]</span><span·class="w"> |
| 150 | </span><span·class="nf">httpd_config</span><span·class="p"·data-group-id=" | 150 | </span><span·class="nf">httpd_config</span><span·class="p"·data-group-id="4523544965-7">(</span><span·class="p"·data-group-id="4523544965-7">)</span><span·class="w">··</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="4523544965-8">{</span><span·class="ss">proplist_file</span><span·class="p[·...·truncated·by·diffoscope;·len:·209,·SHA:·7c0f63ada192050e0aa818d04226a065a9dbde844f1dbcfc616467e4aedc70c0·...·]-8">}</span><span·class="w"> |
| 151 | ···················</span><span·class="p"·data-group-id=" | 151 | ···················</span><span·class="p"·data-group-id="4523544965-10">{</span><span·class="ss">debug</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">debug</span><span·class="p"·data-group-id="4523544965-11">(</span><span·class="p"·data-group-id="4523544965-11">)</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·98488b6b73644d24d02c3b8997a4d3373b704209783a291d3932e8fb56f31320·...·]-10">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 152 | ···················</span><span·class="p"·data-group-id="6320607384-12">{</span><span·class="ss">accept_timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="6320607384-13">(</span><span·class="p"·data-group-id="6320607384-13">)</span><span·class="p"·data-group-id="6320607384-12">}</span><span·class="w"> | ||
| 153 | 152 | ···················</span><span·class="p"·data-group-id="4523544965-12">{</span><span·class="ss">accept_timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="4523544965-13">(</span><span[·...·truncated·by·diffoscope;·len:·96,·SHA:·aaf8bef41fb94f5ade9f80f27baa3413009edd564af742fe9321021d450517c7·...·]</span><span·class="w"> | |
| 153 | </span><span·class="nf">debug</span><span·class="p"·data-group-id="4523544965-14">(</span><span·class="p"·data-group-id="4523544965-14">)</span><span·class="w">·········</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">disable</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="4523544965-15">[</span><span·class="nf">debug_options</span><span·class="p"·data-group-id="4523544965-16">(</span><span·class="p"·data-group-id="4523544965-16">)</span><span·class="p"·data-group-id="4523544965-15">]</span><span·class="w"> | ||
| 154 | </span><span·class="nf">debug_options</span><span·class="p"·data-group-id=" | 154 | </span><span·class="nf">debug_options</span><span·class="p"·data-group-id="4523544965-17">(</span><span·class="p"·data-group-id="4523544965-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="4523544965-18">{</span><span·class="ss">all_functions</span><span·class=[·...·truncated·by·diffoscope;·len:·216,·SHA:·3bc39427c960958a2ebfc584fcdab156aa01aa3564ea03dcc85cb0cef0ff91e0·...·]-18">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 155 | ···················</span><span·class="p"·data-group-id=" | 155 | ···················</span><span·class="p"·data-group-id="4523544965-20">{</span><span·class="ss">exported_functions</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">modules</span><span·class="p"·data-group-id="4523544965-21">(</span><span·class="p"·data-group-id="4523544965-21">)</span><spa[·...·truncated·by·diffoscope;·len:·37,·SHA:·1979ba810355933c9afe00809b5c1148a98fc1ceef6b19926dbdfbb6ecf1d7f0·...·]-20">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 156 | ···················</span><span·class="p"·data-group-id=" | 156 | ···················</span><span·class="p"·data-group-id="4523544965-22">{</span><span·class="ss">disable</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">modules</span><span·class="p"·data-group-id="4523544965-23">(</span><span·class="p"·data-group-id="4523544965-23">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·26,·SHA:·7d45872a1815bca7a1be9f05c3fe727b4bf73587b150842afad3fc9162ad2dbb·...·]-22">}</span><span·class="w"> |
| 157 | </span><span·class="nf">modules</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nf">modules</span><span·class="p"·data-group-id="4523544965-24">(</span><span·class="p"·data-group-id="4523544965-24">)</span><span·class="w">·······</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="4523544965-25">[</span><span·class="nf">atom</span><span·class="p"[·...·truncated·by·diffoscope;·len:·134,·SHA:·823673c6a8e25e7d930980aa67a5d972d43b846796e07f0df3f95f40f77bc120·...·]-25">]</span></code></pre><p>Here:</p><ul><li><p><strong><code·class="inline">{proplist_file,·file()}</code></strong>·-·File·containing·an·Erlang·property·list, |
| 158 | followed·by·a·full·stop,·describing·the·HTTP·server·configuration.</p></li><li><p><strong><code·class="inline">{debug,·debug()}</code></strong>·-·Can·enable·trace·on·all·functions·or·only·exported | 158 | followed·by·a·full·stop,·describing·the·HTTP·server·configuration.</p></li><li><p><strong><code·class="inline">{debug,·debug()}</code></strong>·-·Can·enable·trace·on·all·functions·or·only·exported |
| 159 | functions·on·chosen·modules.</p></li><li><p><strong><code·class="inline">{accept_timeout,·integer()}</code></strong>·-·Sets·the·wanted·time-out·value·for·the | 159 | functions·on·chosen·modules.</p></li><li><p><strong><code·class="inline">{accept_timeout,·integer()}</code></strong>·-·Sets·the·wanted·time-out·value·for·the |
| 160 | server·to·set·up·a·request·connection.</p></li></ul><h2·id="getting-started"·class="section-heading"> | 160 | server·to·set·up·a·request·connection.</p></li></ul><h2·id="getting-started"·class="section-heading"> |
| 161 | ··<a·href="#getting-started"·class="hover-link"> | 161 | ··<a·href="#getting-started"·class="hover-link"> |
| 162 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 162 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 163 | ··</a> | 163 | ··</a> |
| 164 | ··<span·class="text">Getting·Started</span> | 164 | ··<span·class="text">Getting·Started</span> |
| 165 | </h2> | 165 | </h2> |
| 166 | <p><a·href=""·id="using_http_server_api"></a></p><p>Start·<code·class="inline">Inets</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">inets</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 166 | <p><a·href=""·id="using_http_server_api"></a></p><p>Start·<code·class="inline">Inets</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">inets</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="2734981493-1">(</span><span·class="p"·data-group-id="2734981493-1">)</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="ss">ok</span></code></pre><p>Start·an·HTTP·server·with·minimal·required·configuration.·If·you·specify·port | 167 | </span><span·class="ss">ok</span></code></pre><p>Start·an·HTTP·server·with·minimal·required·configuration.·If·you·specify·port |
| 168 | <code·class="inline">0</code>,·an·arbitrary·available·port·is·used,·and·you·can·use·function·<code·class="inline">info</code>·to | 168 | <code·class="inline">0</code>,·an·arbitrary·available·port·is·used,·and·you·can·use·function·<code·class="inline">info</code>·to |
| 169 | find·which·port·number·that·was·picked:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="p"·data-group-id=" | 169 | find·which·port·number·that·was·picked:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="p"·data-group-id="8000553622-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="8000553622-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·703,·SHA:·d3cd2a150b0ebe5388b5d4f350b01725b7c171d345636dfb31099ebccbebf6b8·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 170 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p"·data-group-id=" | 170 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p"·data-group-id="8000553622-6">{</span><span·class="ss">document_root</span><span·class="p">,</span><span·class="s">"/tmp/htdocs"</span><span·class="p"·data-group-id="8000553622-6">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·302,·SHA:·3bff612c085e6ac3eb02cf6fe8b7163d0286e99c309ae24bd0f07cd16b0786df·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="p"·data-group-id=" | 171 | </span><span·class="p"·data-group-id="8000553622-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="mf">0.79</span><span·class="p">.</span><span·class="mi">0</span><span·class="p"·data-group-id="8000553622-8">}</span></code></pre><p>Call·<code·cla[·...·truncated·by·diffoscope;·len:·320,·SHA:·a3dd5689f44aa216682b1f9280a82a6b07afb6058838509fe2852f16396cfc3c·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 172 | </span><span·class="p"·data-group-id="0 | 172 | </span><span·class="p"·data-group-id="3710865706-2">[</span><span·class="p"·data-group-id="3710865706-3">{</span><span·class="ss">mime_types</span><span·class="p">,</span><span·class="p"·data-group-id="3710865706-4">[</span><span·class="p"·data-group-id="3710865706-5">{</span><span·class="s">&[·...·truncated·by·diffoscope;·len:·473,·SHA:·f0b649e34335ef972fd9fc9307e32dfc4499e63047aa4d3b0da6f3d1ad5a6cd8·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 173 | ·</span><span·class="p"·data-group-id="0 | 173 | ·</span><span·class="p"·data-group-id="3710865706-7">{</span><span·class="ss">server_name</span><span·class="p">,</span><span·class="s">"machine.local"</span><span·class="p"·data-group-id="3710865706-7">}</span><span·class="p">,</span><span·class="w"> |
| 174 | ·</span><span·class="p"·data-group-id="0 | 174 | ·</span><span·class="p"·data-group-id="3710865706-8">{</span><span·class="ss">bind_address</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3710865706-9">{</span><span·class="mi">127</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·171,·SHA:·f37e47fabdafa7e8537e294510831c2a38aacd0f1441f31744ecaceb51837268·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 175 | ·</span><span·class="p"·data-group-id="0 | 175 | ·</span><span·class="p"·data-group-id="3710865706-10">{</span><span·class="ss">server_root</span><span·class="p">,</span><span·class="s">"/tmp"</span><span·class="p"·data-group-id="3710865706-10">}</span><span·class="p">,</span><span·class="w"> |
| 176 | ·</span><span·class="p"·data-group-id="0 | 176 | ·</span><span·class="p"·data-group-id="3710865706-11">{</span><span·class="ss">port</span><span·class="p">,</span><span·class="mi">59408</span><span·class="p"·data-group-id="3710865706-11">}</span><span·class="p">,</span><span·class="w"> |
| 177 | ·</span><span·class="p"·data-group-id="0 | 177 | ·</span><span·class="p"·data-group-id="3710865706-12">{</span><span·class="ss">document_root</span><span·class="p">,</span><span·class="s">"/tmp/htdocs"</span><span·class="p"·data-group-id="3710865706-12">}</span><span·class="p">,</span><span·class="w"> |
| 178 | ·</span><span·class="p"·data-group-id="0 | 178 | ·</span><span·class="p"·data-group-id="3710865706-13">{</span><span·class="ss">ipfamily</span><span·class="p">,</span><span·class="ss">inet</span><span·class="p"·data-group-id="3710865706-13">}</span><span·class="p"·data-group-id="3710865706-2">]</span></code></pre><p>Reload·the·configuration·w[·...·truncated·by·diffoscope;·len:·519,·SHA:·1f3005bb2232f231e88f930b33c0e14b7c496769f234c176e84c514108e4d217·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 179 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p"·data-group-id=" | 179 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p"·data-group-id="8056572141-4">{</span><span·class="ss">server_root</span><span·class="p">,</span><span·class="s">"/tmp/www_test"</span><span·class="p"·data-group-id="8056572141-4">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·184,·SHA:·2d71bccf2091a31c96adf8a26f6eac0f3528516b42522ac1edc81f92ec7c051f·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 180 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p"·data-group-id=" | 180 | </span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p"·data-group-id="8056572141-6">{</span><span·class="ss">bind_address</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"localhost"</span><span·class="p"·data-group-id="8056572141-6">}</span><span·class="p"·data-group-id="8056572141-2">]</span>[·...·truncated·by·diffoscope;·len:·127,·SHA:·d16f505b6342769f00cde990773a1a982e9f6980df4cb6171cebbfdd906fa0ff·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 181 | </span><span·class="ss">ok</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p><code·class="inline">port</code>·and·<code·class="inline">bind_address</code>·cannot·be·changed.·Clients·trying·to·access·the | 181 | </span><span·class="ss">ok</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p><code·class="inline">port</code>·and·<code·class="inline">bind_address</code>·cannot·be·changed.·Clients·trying·to·access·the |
| 182 | server·during·the·reload·get·a·service·temporary·unavailable·answer.</p></section><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">httpd</span><span·class="p">:</span><span·class="nf">info</span><span·class="p"·data-group-id="0318394772-1">(</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0318394772-2">[</span><span·class="ss">server_root</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">document_root</span><span·class="p"·data-group-id="0318394772-2">]</span><span·class="p"·data-group-id="0318394772-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 183 | 182 | server·during·the·reload·get·a·service·temporary·unavailable·answer.</p></section><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">httpd</span><span·class="p">:</span><span·class="nf">info</span><s[·...·truncated·by·diffoscope;·len:·443,·SHA:·fbb9a12e293a4fd7885540e097cf4f4a5a767a6600a9fdb5b9b01b290aaa6b1c·...·]> | |
| 183 | </span><span·class="p"·data-group-id="2565950384-3">[</span><span·class="p"·data-group-id="2565950384-4">{</span><span·class="ss">server_root</span><span·class="p">,</span><span·class="s">"/tmp/www_test"</span><span·class="p"·data-group-id="2565950384-4">}</span><span·class="p">,</span><span·class="p"·data-group-id="2565950384-5">{</span><span·class="ss">document_root</span><span·class="p">,</span><span·class="s">"/tmp/www_test/htdocs"</span><span·class="p"·data-group-id="2565950384-5">}</span><span·class="p"·data-group-id="2565950384-3">]</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">inets</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2998971273-1">(</span><span·class="ss">httpd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="2998971273-1">)</span><span·class="p">.</span></code></pre><p>Alternative:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">inets</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="5342879325-1">(</span><span·class="ss">httpd</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5342879325-2">{</span><span·class="p"·data-group-id="5342879325-3">{</span><span·class="mi">127</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="5342879325-3">}</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">59408</span><span·class="p"·data-group-id="5342879325-2">}</span><span·class="p"·data-group-id="5342879325-1">)</span><span·class="p">.</span></code></pre><p>Notice·that·<code·class="inline">bind_address</code>·must·be·the·IP·address·reported·by·function·<code·class="inline">info</code> | ||
| 184 | and·cannot·be·the·hostname·that·is·allowed·when·putting·in·<code·class="inline">bind_address</code>.</p><h2·id="dynamic-web-pages"·class="section-heading"> | 184 | and·cannot·be·the·hostname·that·is·allowed·when·putting·in·<code·class="inline">bind_address</code>.</p><h2·id="dynamic-web-pages"·class="section-heading"> |
| 185 | ··<a·href="#dynamic-web-pages"·class="hover-link"> | 185 | ··<a·href="#dynamic-web-pages"·class="hover-link"> |
| 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 187 | ··</a> | 187 | ··</a> |
| 188 | ··<span·class="text">Dynamic·Web·Pages</span> | 188 | ··<span·class="text">Dynamic·Web·Pages</span> |
| 189 | </h2> | 189 | </h2> |
| 190 | <p><a·href=""·id="dynamic_we_pages"></a></p><p><code·class="inline">Inets</code>·HTTP·server·provides·two·ways·of·creating·dynamic·web·pages,·each·with | 190 | <p><a·href=""·id="dynamic_we_pages"></a></p><p><code·class="inline">Inets</code>·HTTP·server·provides·two·ways·of·creating·dynamic·web·pages,·each·with |
| Offset 301, 36 lines modified | Offset 301, 36 lines modified | ||
| 301 | files,·Dets·databases·as·well·as·Mnesia·databases.</p><p>Uses·the·following·Erlang·Web·Server·API·interaction·data:</p><ul><li><code·class="inline">real_name</code>·-·from·<a·href="mod_alias.html"><code·class="inline">mod_alias</code></a></li></ul><p>Exports·the·following·Erlang·Web·Server·API·interaction·data:</p><ul><li><strong><code·class="inline">{remote_user,·User}</code></strong>·-·The·username·used·for·authentication.</li></ul><h4>Mnesia·As·Authentication·Database</h4><p>If·Mnesia·is·used·as·storage·method,·Mnesia·must·be·started·before·the·HTTP | 301 | files,·Dets·databases·as·well·as·Mnesia·databases.</p><p>Uses·the·following·Erlang·Web·Server·API·interaction·data:</p><ul><li><code·class="inline">real_name</code>·-·from·<a·href="mod_alias.html"><code·class="inline">mod_alias</code></a></li></ul><p>Exports·the·following·Erlang·Web·Server·API·interaction·data:</p><ul><li><strong><code·class="inline">{remote_user,·User}</code></strong>·-·The·username·used·for·authentication.</li></ul><h4>Mnesia·As·Authentication·Database</h4><p>If·Mnesia·is·used·as·storage·method,·Mnesia·must·be·started·before·the·HTTP |
| 302 | server.·The·first·time·Mnesia·is·started,·the·schema·and·the·tables·must·be | 302 | server.·The·first·time·Mnesia·is·started,·the·schema·and·the·tables·must·be |
| 303 | created·before·Mnesia·is·started.·A·simple·example·of·a·module·with·two | 303 | created·before·Mnesia·is·started.·A·simple·example·of·a·module·with·two |
| 304 | functions·that·creates·and·start·Mnesia·is·provided·here.·Function | 304 | functions·that·creates·and·start·Mnesia·is·provided·here.·Function |
| 305 | <code·class="inline">first_start/0</code>·is·to·be·used·the·first·time.·It·creates·the·schema·and·the | 305 | <code·class="inline">first_start/0</code>·is·to·be·used·the·first·time.·It·creates·the·schema·and·the |
| 306 | tables.·<code·class="inline">start/0</code>·is·to·be·used·in·consecutive·startups.·<code·class="inline">start/0</code>·starts·Mnesia | 306 | tables.·<code·class="inline">start/0</code>·is·to·be·used·in·consecutive·startups.·<code·class="inline">start/0</code>·starts·Mnesia |
| 307 | and·waits·for·the·tables·to·be·initiated.·This·function·must·only·be·used·when | 307 | and·waits·for·the·tables·to·be·initiated.·This·function·must·only·be·used·when |
| 308 | the·schema·and·the·tables·are·already·created.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2310127593-1">(</span><span·class="ss">mnesia_test</span><span·class="p"·data-group-id="2310127593-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 309 | 308 | the·schema·and·the·tables·are·already·created.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7900630716-1">(</span><span·class="ss">mnesia_test</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·27,·SHA:·0704f750737f721b2765f6b65f94b3581cfb07b042c9c625a882d12cc1175834·...·]">)</span><span·class="p">.</span><span·class="w"> | |
| 309 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7900630716-2">(</span><span·class="p"·data-group-id="7900630716-3">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="ss">load_data</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="7900630716-3">]</span><span·class="p"·data-group-id="7900630716-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 310 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 310 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="7900630716-4">(</span><span·class="s">"mod_auth.hrl"</span><span·class="p"·data-group-id="7900630716-4">)</span><span·class="p">.</span><span·class="w"> |
| 311 | </span><span·class="nf">first_start</span><span·class="p"·data-group-id=" | 311 | </span><span·class="nf">first_start</span><span·class="p"·data-group-id="7900630716-5">(</span><span·class="p"·data-group-id="7900630716-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 312 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id=" | 312 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id="7900630716-6">(</span><span·class="p"·data-group-id="7900630716-7">[</span><span·class="nf">node</span><span·class="p"·data-group-id="7900630716-8">(</span><span·class="p"·data-group-id="7900630716-8">)</span><span·class="p"·data-group-id="7900630716-7">]<[·...·truncated·by·diffoscope;·len:·47,·SHA:·4ffdbac8dadd8e985b9d41827f01f2d359079dd785604bfb6f02f1447b1c63a9·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 313 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 313 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="7900630716-9">(</span><span·class="p"·data-group-id="7900630716-9">)</span><span·class="p">,</span><span·class="w"> |
| 314 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 314 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="7900630716-10">(</span><span·class="ss">httpd_user</span><span·class="p">,</span><span·class="w"> |
| 315 | ························</span><span·class="p"·data-group-id=" | 315 | ························</span><span·class="p"·data-group-id="7900630716-11">[</span><span·class="p"·data-group-id="7900630716-12">{</span><span·class="ss">type</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bag</span><span·class="p"·data-group-id="7900630716-12">}</span><span·class="p">,</span><span·class="w"> |
| 316 | ·························</span><span·class="p"·data-group-id=" | 316 | ·························</span><span·class="p"·data-group-id="7900630716-13">{</span><span·class="ss">disc_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7900630716-14">[</span><span·class="nf">node</span><span·class="p"·data-group-id="7900630716-15">(</span><span·class="p[·...·truncated·by·diffoscope;·len:·135,·SHA:·7456bf0ad18729b8bd589906dd442505a9cc833adcc5c2679a6341b7d2ba5128·...·]-13">}</span><span·class="p">,</span><span·class="w"> |
| 317 | ·························</span><span·class="p"·data-group-id=" | 317 | ·························</span><span·class="p"·data-group-id="7900630716-16">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="7900630716-17">(</span><span·class="ss">fields</span><span·class="p">,</span><span·class="w"> |
| 318 | ··················································</span><span·class="ss">httpd_user</span><span·class="p"·data-group-id=" | 318 | ··················································</span><span·class="ss">httpd_user</span><span·class="p"·data-group-id="7900630716-17">)</span><span·class="p"·data-group-id="7900630716-16">}</span><span·class="p"·data-group-id="7900630716-11">]</span><span·class="p"·data-group-id="7900630716-10">)</span><span·class="p">,</span><span·class="w"> |
| 319 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 319 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="7900630716-18">(</span><span·class="ss">httpd_group</span><span·class="p">,</span><span·class="w"> |
| 320 | ························</span><span·class="p"·data-group-id=" | 320 | ························</span><span·class="p"·data-group-id="7900630716-19">[</span><span·class="p"·data-group-id="7900630716-20">{</span><span·class="ss">type</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bag</span><span·class="p"·data-group-id="7900630716-20">}</span><span·class="p">,</span><span·class="w"> |
| 321 | ·························</span><span·class="p"·data-group-id=" | 321 | ·························</span><span·class="p"·data-group-id="7900630716-21">{</span><span·class="ss">disc_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7900630716-22">[</span><span·class="nf">node</span><span·class="p"·data-group-id="7900630716-23">(</span><span·class="p[·...·truncated·by·diffoscope;·len:·135,·SHA:·da682b4756465e3640c6324c09b42dbb5cb25676da97b1ece485b5516999a5d5·...·]-21">}</span><span·class="p">,</span><span·class="w"> |
| 322 | ·························</span><span·class="p"·data-group-id=" | 322 | ·························</span><span·class="p"·data-group-id="7900630716-24">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="7900630716-25">(</span><span·class="ss">fields</span><span·class="p">,</span><span·class="w"> |
| 323 | ··················································</span><span·class="ss">httpd_group</span><span·class="p"·data-group-id=" | 323 | ··················································</span><span·class="ss">httpd_group</span><span·class="p"·data-group-id="7900630716-25">)</span><span·class="p"·data-group-id="7900630716-24">}</span><span·class="p"·data-group-id="7900630716-19">]</span><span·class="p"·data-group-id="7900630716-18">)</span><span·class="p">,</span><span·class="w"> |
| 324 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">wait_for_tables</span><span·class="p"·data-group-id=" | 324 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">wait_for_tables</span><span·class="p"·data-group-id="7900630716-26">(</span><span·class="p"·data-group-id="7900630716-27">[</span><span·class="ss">httpd_user</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">httpd_group</span><span·class="p"·data-group-id="7900630716-27">]</span><span·cl[·...·truncated·by·diffoscope;·len:·110,·SHA:·38edccd53068e7d304f480ff2d7b72529a0f97d71e821dee85cbd27b4dfe7db3·...·]-26">)</span><span·class="p">.</span><span·class="w"> |
| 325 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 325 | </span><span·class="nf">start</span><span·class="p"·data-group-id="7900630716-28">(</span><span·class="p"·data-group-id="7900630716-28">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 326 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 326 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="7900630716-29">(</span><span·class="p"·data-group-id="7900630716-29">)</span><span·class="p">,</span><span·class="w"> |
| 327 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">wait_for_tables</span><span·class="p"·data-group-id=" | 327 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">wait_for_tables</span><span·class="p"·data-group-id="7900630716-30">(</span><span·class="p"·data-group-id="7900630716-31">[</span><span·class="ss">httpd_user</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">httpd_group</span><span·class="p"·data-group-id="7900630716-31">]</span><span·cl[·...·truncated·by·diffoscope;·len:·110,·SHA:·38edccd53068e7d304f480ff2d7b72529a0f97d71e821dee85cbd27b4dfe7db3·...·]-30">)</span><span·class="p">.</span></code></pre><p>To·create·the·Mnesia·tables,·we·use·two·records·defined·in·<code·class="inline">mod_auth.hrl</code>,·so |
| 328 | that·file·must·be·included.·<code·class="inline">first_start/0</code>·creates·a·schema·that·specifies·on | 328 | that·file·must·be·included.·<code·class="inline">first_start/0</code>·creates·a·schema·that·specifies·on |
| 329 | which·nodes·the·database·is·to·reside.·Then·it·starts·Mnesia·and·creates·the | 329 | which·nodes·the·database·is·to·reside.·Then·it·starts·Mnesia·and·creates·the |
| 330 | tables.·The·first·argument·is·the·name·of·the·tables,·the·second·argument·is·a | 330 | tables.·The·first·argument·is·the·name·of·the·tables,·the·second·argument·is·a |
| 331 | list·of·options·of·how·to·create·the·table,·see·<a·href="../../../../lib/mnesia-4.23.4/doc/html/mnesia.html"><code·class="inline">mnesia</code></a>,·documentation·for | 331 | list·of·options·of·how·to·create·the·table,·see·<a·href="../../../../lib/mnesia-4.23.4/doc/html/mnesia.html"><code·class="inline">mnesia</code></a>,·documentation·for |
| 332 | more·information.·As·the·implementation·of·the·<code·class="inline">mod_auth_mnesia</code>·saves·one·row | 332 | more·information.·As·the·implementation·of·the·<code·class="inline">mod_auth_mnesia</code>·saves·one·row |
| 333 | for·each·user,·the·type·must·be·<code·class="inline">bag</code>.·When·the·schema·and·the·tables·are | 333 | for·each·user,·the·type·must·be·<code·class="inline">bag</code>.·When·the·schema·and·the·tables·are |
| 334 | created,·function·<a·href="../../../../lib/mnesia-4.23.4/doc/html/mnesia.html#start/0"><code·class="inline">mnesia:start/0</code></a>·is·used·to·start·Mnesia·and·waits·for·the | 334 | created,·function·<a·href="../../../../lib/mnesia-4.23.4/doc/html/mnesia.html#start/0"><code·class="inline">mnesia:start/0</code></a>·is·used·to·start·Mnesia·and·waits·for·the |
| Offset 481, 15 lines modified | Offset 481, 15 lines modified | ||
| 481 | ······<p·class="built-using"> | 481 | ······<p·class="built-using"> |
| 482 | ········Built·using | 482 | ········Built·using |
| 483 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 483 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 484 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 484 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 485 | ······</p> | 485 | ······</p> |
| 486 | <p>Copyright·©·1996-202 | 486 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 487 | ····</footer> | 487 | ····</footer> |
| 488 | ··</div> | 488 | ··</div> |
| 489 | </main> | 489 | </main> |
| 490 | </div> | 490 | </div> |
| 491 | <script> | 491 | <script> |
| 492 | ··function·mermaidLoaded()·{ | 492 | ··function·mermaidLoaded()·{ |
| 493 | ····mermaid.initialize({ | 493 | ····mermaid.initialize({ |
| Offset 277, 15 lines modified | Offset 277, 15 lines modified | ||
| 277 | ······<p·class="built-using"> | 277 | ······<p·class="built-using"> |
| 278 | ········Built·using | 278 | ········Built·using |
| 279 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 279 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 280 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 280 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 281 | ······</p> | 281 | ······</p> |
| 282 | <p>Copyright·©·1996-202 | 282 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 283 | ····</footer> | 283 | ····</footer> |
| 284 | ··</div> | 284 | ··</div> |
| 285 | </main> | 285 | </main> |
| 286 | </div> | 286 | </div> |
| 287 | <script> | 287 | <script> |
| 288 | ··function·mermaidLoaded()·{ | 288 | ··function·mermaidLoaded()·{ |
| 289 | ····mermaid.initialize({ | 289 | ····mermaid.initialize({ |
| Offset 1037, 21 lines modified | Offset 1037, 21 lines modified | ||
| 1037 | options.</p></section><p>By·default·the·socket·options·set·by·function | 1037 | options.</p></section><p>By·default·the·socket·options·set·by·function |
| 1038 | <a·href="#set_options/1">set_options/1,2</a>·are·used·when·establishing·a·connection.</p></li><li><p><strong><code·class="inline">receiver</code></strong>·-·Defines·how·the·client·delivers·the·result·of·an·asynchronous | 1038 | <a·href="#set_options/1">set_options/1,2</a>·are·used·when·establishing·a·connection.</p></li><li><p><strong><code·class="inline">receiver</code></strong>·-·Defines·how·the·client·delivers·the·result·of·an·asynchronous |
| 1039 | request·(<code·class="inline">sync</code>·has·the·value·<code·class="inline">false</code>).</p><ul><li><p><strong><a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0"><code·class="inline">pid/0</code></a></strong>·-·Messages·are·sent·to·this·process·in·the·format | 1039 | request·(<code·class="inline">sync</code>·has·the·value·<code·class="inline">false</code>).</p><ul><li><p><strong><a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0"><code·class="inline">pid/0</code></a></strong>·-·Messages·are·sent·to·this·process·in·the·format |
| 1040 | <code·class="inline">{http,·ReplyInfo}</code>.</p></li><li><p><strong><a·href="../../../../erts-15.2.3/doc/html/erlang.html#alias/0"><code·class="inline">alias/0</code></a></strong>·-·Messages·are·sent·to·this·special·reference·in·the·format | 1040 | <code·class="inline">{http,·ReplyInfo}</code>.</p></li><li><p><strong><a·href="../../../../erts-15.2.3/doc/html/erlang.html#alias/0"><code·class="inline">alias/0</code></a></strong>·-·Messages·are·sent·to·this·special·reference·in·the·format |
| 1041 | <code·class="inline">{http,·ReplyInfo}</code>.</p></li><li><p><strong><code·class="inline">function/1</code></strong>·-·Information·is·delivered·to·the·receiver·through·calls·to | 1041 | <code·class="inline">{http,·ReplyInfo}</code>.</p></li><li><p><strong><code·class="inline">function/1</code></strong>·-·Information·is·delivered·to·the·receiver·through·calls·to |
| 1042 | the·provided·fun·<code·class="inline">Receiver(ReplyInfo)</code>.</p></li><li><p><strong><code·class="inline">{Module,·Function,·Args}</code></strong>·-·Information·is·delivered·to·the·receiver | 1042 | the·provided·fun·<code·class="inline">Receiver(ReplyInfo)</code>.</p></li><li><p><strong><code·class="inline">{Module,·Function,·Args}</code></strong>·-·Information·is·delivered·to·the·receiver |
| 1043 | through·calls·to·the·callback·function | 1043 | through·calls·to·the·callback·function |
| 1044 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(Module,·Function,·[ReplyInfo·|·Args])</code></a>.</p></li></ul><p>In·all·of·these·cases,·<code·class="inline">ReplyInfo</code>·has·the·following·structure:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="p"·data-group-id=" | 1044 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(Module,·Function,·[ReplyInfo·|·Args])</code></a>.</p></li></ul><p>In·all·of·these·cases,·<code·class="inline">ReplyInfo</code>·has·the·following·structure:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="p"·data-group-id="5558216944-1">{</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">saved_to_file</span><span·class="p"·data-group-id="5558216944-1">}</span><span·class="w"> |
| 1045 | ·</span><span·class="p"·data-group-id=" | 1045 | ·</span><span·class="p"·data-group-id="5558216944-2">{</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5558216944-3">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</[·...·truncated·by·diffoscope;·len:·99,·SHA:·d7bf93775a1392116b4b520991d11355f491aac4fd492fbd73016d5dceda7efb·...·]-2">}</span><span·class="w"> |
| 1046 | ·</span><span·class="p"·data-group-id=" | 1046 | ·</span><span·class="p"·data-group-id="5558216944-4">{</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</span><span·class="p"·data-group-id="5558216944-4">}</span><span·class="w"> |
| 1047 | ·</span><span·class="p"·data-group-id=" | 1047 | ·</span><span·class="p"·data-group-id="5558216944-5">{</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stream_start</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Headers</span><span·class="p"·data-group-id="555821694[·...·truncated·by·diffoscope;·len:·1,·SHA:·4b227777d4dd1fc61c6f884f48641d02b4d121d3fd328cb08b5531fcacdabf8a·...·]-5">}</span><span·class="w"> |
| 1048 | ·</span><span·class="p"·data-group-id=" | 1048 | ·</span><span·class="p"·data-group-id="5558216944-6">{</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stream_start</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Headers</span><span·class="p">,</span><span·class="w">[·...·truncated·by·diffoscope;·len:·82,·SHA:·32f33fd21ab3e505200760a2eb53a447ddd41f374d762d24c2785f4712d40da1·...·]-6">}</span><span·class="w"> |
| 1049 | ·</span><span·class="p"·data-group-id=" | 1049 | ·</span><span·class="p"·data-group-id="5558216944-7">{</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stream</span><span·class="p">,</span><span·class="w">·</span><span·class="n">BinBodyPart</span><span·class="p"·data-group-id="5558216944-7">}</span><span·class="w"> |
| 1050 | ·</span><span·class="p"·data-group-id=" | 1050 | ·</span><span·class="p"·data-group-id="5558216944-8">{</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stream_end</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Headers</span><span·class="p"·data-group-id="5558216944-8">}</span></code></pre><p>Default·is·the·<code·class="inline">pid</code>·of·the·process·calling·the·request·function·(<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>).</p><p><a·href=""·id="ipv6_host_with_brackets"></a></p></li><li><p><strong><code·class="inline">ipv6_host_with_brackets</code></strong>·-·Defines·when·parsing·the·Host-Port·part·of·an |
| 1051 | URI·with·an·IPv6·address·with·brackets,·if·those·brackets·are·to·be·retained | 1051 | URI·with·an·IPv6·address·with·brackets,·if·those·brackets·are·to·be·retained |
| 1052 | (<code·class="inline">true</code>)·or·stripped·(<code·class="inline">false</code>).</p><p>Default·is·<code·class="inline">false</code>.</p></li></ul> | 1052 | (<code·class="inline">true</code>)·or·stripped·(<code·class="inline">false</code>).</p><p>Default·is·<code·class="inline">false</code>.</p></li></ul> |
| 1053 | ··</section> | 1053 | ··</section> |
| 1054 | </section> | 1054 | </section> |
| 1055 | <section·class="detail"·id="reset_cookies/0"> | 1055 | <section·class="detail"·id="reset_cookies/0"> |
| 1056 | ··<div·class="detail-header"> | 1056 | ··<div·class="detail-header"> |
| Offset 1561, 15 lines modified | Offset 1561, 15 lines modified | ||
| 1561 | ······<p·class="built-using"> | 1561 | ······<p·class="built-using"> |
| 1562 | ········Built·using | 1562 | ········Built·using |
| 1563 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1563 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1564 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1564 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1565 | ······</p> | 1565 | ······</p> |
| 1566 | <p>Copyright·©·1996-202 | 1566 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1567 | ····</footer> | 1567 | ····</footer> |
| 1568 | ··</div> | 1568 | ··</div> |
| 1569 | </main> | 1569 | </main> |
| 1570 | </div> | 1570 | </div> |
| 1571 | <script> | 1571 | <script> |
| 1572 | ··function·mermaidLoaded()·{ | 1572 | ··function·mermaidLoaded()·{ |
| 1573 | ····mermaid.initialize({ | 1573 | ····mermaid.initialize({ |
| Offset 246, 57 lines modified | Offset 246, 57 lines modified | ||
| 246 | }</code></pre><p>An·example·of·a·log·entry·with·only·default·settings·of·logger</p><pre><code·class="text">=ERROR·REPORT====·9-Oct-2019::09:33:27.350235·=== | 246 | }</code></pre><p>An·example·of·a·log·entry·with·only·default·settings·of·logger</p><pre><code·class="text">=ERROR·REPORT====·9-Oct-2019::09:33:27.350235·=== |
| 247 | ···Server:·My·Server | 247 | ···Server:·My·Server |
| 248 | ·Protocol:·HTTP | 248 | ·Protocol:·HTTP |
| 249 | Transport:·TLS | 249 | Transport:·TLS |
| 250 | ······URI:·/not_there | 250 | ······URI:·/not_there |
| 251 | ·····Host:·127.0.1.1:80 | 251 | ·····Host:·127.0.1.1:80 |
| 252 | ·····Peer:·127.0.0.1:45253 | 252 | ·····Peer:·127.0.0.1:45253 |
| 253 | ···Reason:·[{statuscode,404},{description,"Object·Not·Found"}]</code></pre><p>Using·this·option·makes·mod_log·and·mod_disk_log·error·logs·redundant.</p><p>Add·the·filter</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 253 | ···Reason:·[{statuscode,404},{description,"Object·Not·Found"}]</code></pre><p>Using·this·option·makes·mod_log·and·mod_disk_log·error·logs·redundant.</p><p>Add·the·filter</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3559085222-1">{</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">domain</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 254 | ····</span><span·class="p"·data-group-id=" | 254 | ····</span><span·class="p"·data-group-id="3559085222-2">{</span><span·class="ss">log</span><span·class="p">,</span><span·class="ss">equal</span><span·class="p">,</span><span·class="p"·data-group-id="3559085222-3">[</span><span·class="ss">otp</span><span·class="p">,</span><span·class="ss">inets</sp[·...·truncated·by·diffoscope;·len:·330,·SHA:·752421220fc4b609a6ff0512a0ae473acfc149271d8fb9277bc08d86194a62a2·...·]-2">}</span></code></pre><p>to·appropriate·logger·handler·to·handle·the·events.·For·example·to·write·the |
| 255 | error·log·from·an·httpd·server·with·a·<code·class="inline">ServerID</code>·of·<code·class="inline">my_server</code>·to·a·file | 255 | error·log·from·an·httpd·server·with·a·<code·class="inline">ServerID</code>·of·<code·class="inline">my_server</code>·to·a·file |
| 256 | you·can·use·the·following·sys.config:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 256 | you·can·use·the·following·sys.config:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3429224068-1">[</span><span·class="p"·data-group-id="3429224068-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 257 | ·</span><span·class="p"·data-group-id=" | 257 | ·</span><span·class="p"·data-group-id="3429224068-3">[</span><span·class="p"·data-group-id="3429224068-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 258 | ··</span><span·class="p"·data-group-id=" | 258 | ··</span><span·class="p"·data-group-id="3429224068-5">[</span><span·class="p"·data-group-id="3429224068-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">http_error_test</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> |
| 259 | ····</span><span·class="p"·data-group-id=" | 259 | ····</span><span·class="p"·data-group-id="3429224068-7">#{</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="3429224068-8">#{</span><span·class="w">·</span><span·class="ss">file</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·173,·SHA:·e34ad563bc227b63d36468e731e37bc673882540d776cffa4fbe7e0348c0499a·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 260 | ······</span><span·class="ss">filters</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 260 | ······</span><span·class="ss">filters</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="3429224068-9">[</span><span·class="p"·data-group-id="3429224068-10">{</span><span·class="ss">inets_httpd</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3429224068-11">{</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">domain</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 261 | ·································</span><span·class="p"·data-group-id=" | 261 | ·································</span><span·class="p"·data-group-id="3429224068-12">{</span><span·class="ss">log</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">equal</span><span·class="p">,</span><span·class="w"> |
| 262 | ··································</span><span·class="p"·data-group-id=" | 262 | ··································</span><span·class="p"·data-group-id="3429224068-13">[</span><span·class="ss">otp</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">inets</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">httpd</span><span·class="p">,</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·147,·SHA:·627d7ce0f2173884de3ff3355b2b324ecfeb24a6b27a27af3ffa7fe5afc662f8·...·]-13">]</span><span·class="w"> |
| 263 | ·································</span><span·class="p"·data-group-id=" | 263 | ·································</span><span·class="p"·data-group-id="3429224068-12">}</span><span·class="p"·data-group-id="3429224068-11">}</span><span·class="p"·data-group-id="3429224068-10">}</span><span·class="p"·data-group-id="3429224068-9">]</span><span·class="p">,</span><span·class="w"> |
| 264 | ······</span><span·class="ss">filter_default</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">stop</span><span·class="w">·</span><span·class="p"·data-group-id=" | 264 | ······</span><span·class="ss">filter_default</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">stop</span><span·class="w">·</span><span·class="p"·data-group-id="3429224068-7">}</span><span·class="p"·data-group-id="3429224068-6">}</span><span·class="p"·data-group-id="3429224068-5">]</span><span·class="p"·data-group-id="3429224068-4">}</span><span·class="p"·data-group-id="3429224068-3">]</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·371,·SHA:·f2690a9dedcb93349f08e46b45808d83c744ff934c2d3ceda90d8fea171d7fb3·...·]-1">(</span><span·class="ss">default</span><span·class="p">,</span><span·class="w"> |
| 265 | ··························</span><span·class="ss">inets_httpd</span><span·class="p">,</span><span·class="w"> | 265 | ··························</span><span·class="ss">inets_httpd</span><span·class="p">,</span><span·class="w"> |
| 266 | ··························</span><span·class="p"·data-group-id="7 | 266 | ··························</span><span·class="p"·data-group-id="8758498706-2">{</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">domain</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 267 | ···························</span><span·class="p"·data-group-id="7 | 267 | ···························</span><span·class="p"·data-group-id="8758498706-3">{</span><span·class="ss">log</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">equal</span><span·class="p">,</span><span·class="w"> |
| 268 | ····························</span><span·class="p"·data-group-id="7 | 268 | ····························</span><span·class="p"·data-group-id="8758498706-4">[</span><span·class="ss">otp</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">inets</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">httpd</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·305,·SHA:·3625b8e802bd5d0b469c0ea4f932b809fc027485f72636a81ff7a56606fdc527·...·]-1">)</span><span·class="p">.</span></code></pre></li></ul></li><li><p><a·href=""·id="prop_log_format"></a>·<strong><code·class="inline">{log_format,·common·|·combined}</code></strong><br/>Defines·if·access·logs·are·to·be·written·according·to·the·<code·class="inline">common</code>·log·format |
| 269 | or·the·extended·common·log·format.·The·<code·class="inline">common</code>·format·is·one·line·looking | 269 | or·the·extended·common·log·format.·The·<code·class="inline">common</code>·format·is·one·line·looking |
| 270 | like·this:·<code·class="inline">remotehost·rfc931·authuser·[date]·"request"·status·bytes</code>.</p><p>Here:</p><ul><li><p><strong><code·class="inline">remotehost</code></strong>·-·Remote.</p></li><li><p><strong><code·class="inline">rfc931</code></strong>·-·The·remote·username·of·the·client | 270 | like·this:·<code·class="inline">remotehost·rfc931·authuser·[date]·"request"·status·bytes</code>.</p><p>Here:</p><ul><li><p><strong><code·class="inline">remotehost</code></strong>·-·Remote.</p></li><li><p><strong><code·class="inline">rfc931</code></strong>·-·The·remote·username·of·the·client |
| 271 | (<a·href="http://www.ietf.org/rfc/rfc931.txt">RFC·931</a>).</p></li><li><p><strong><code·class="inline">authuser</code></strong>·-·The·username·used·for·authentication.</p></li><li><p><strong><code·class="inline">[date]</code></strong>·-·Date·and·time·of·the·request | 271 | (<a·href="http://www.ietf.org/rfc/rfc931.txt">RFC·931</a>).</p></li><li><p><strong><code·class="inline">authuser</code></strong>·-·The·username·used·for·authentication.</p></li><li><p><strong><code·class="inline">[date]</code></strong>·-·Date·and·time·of·the·request |
| 272 | (<a·href="http://www.ietf.org/rfc/rfc1123.txt">RFC·1123</a>).</p></li><li><p><strong><code·class="inline">"request"</code></strong>·-·The·request·line·as·it·came·from·the·client | 272 | (<a·href="http://www.ietf.org/rfc/rfc1123.txt">RFC·1123</a>).</p></li><li><p><strong><code·class="inline">"request"</code></strong>·-·The·request·line·as·it·came·from·the·client |
| 273 | (<a·href="http://www.ietf.org/rfc/rfc1945.txt">RFC·1945</a>).</p></li><li><p><strong><code·class="inline">status</code></strong>·-·The·HTTP·status·code·returned·to·the·client | 273 | (<a·href="http://www.ietf.org/rfc/rfc1945.txt">RFC·1945</a>).</p></li><li><p><strong><code·class="inline">status</code></strong>·-·The·HTTP·status·code·returned·to·the·client |
| 274 | (<a·href="http://www.ietf.org/rfc/rfc1945.txt">RFC·1945</a>).</p></li><li><p><strong><code·class="inline">bytes</code></strong>·-·The·content-length·of·the·document·transferred.</p></li></ul><p>The·<code·class="inline">combined</code>·format·is·one·line·looking·like·this: | 274 | (<a·href="http://www.ietf.org/rfc/rfc1945.txt">RFC·1945</a>).</p></li><li><p><strong><code·class="inline">bytes</code></strong>·-·The·content-length·of·the·document·transferred.</p></li></ul><p>The·<code·class="inline">combined</code>·format·is·one·line·looking·like·this: |
| 275 | <code·class="inline">remotehost·rfc931·authuser·[date]·"request"·status·bytes·"referer"·"user_agent"</code></p><p>In·addition·to·the·earlier:</p><ul><li><p><strong><code·class="inline">"referer"</code></strong>·-·The·URL·the·client·was·on·before·requesting·the·URL·(if·it | 275 | <code·class="inline">remotehost·rfc931·authuser·[date]·"request"·status·bytes·"referer"·"user_agent"</code></p><p>In·addition·to·the·earlier:</p><ul><li><p><strong><code·class="inline">"referer"</code></strong>·-·The·URL·the·client·was·on·before·requesting·the·URL·(if·it |
| 276 | could·not·be·determined,·a·minus·sign·is·placed·in·this·field).</p></li><li><p><strong><code·class="inline">"user_agent"</code></strong>·-·The·software·the·client·claims·to·be·using·(if·it·could | 276 | could·not·be·determined,·a·minus·sign·is·placed·in·this·field).</p></li><li><p><strong><code·class="inline">"user_agent"</code></strong>·-·The·software·the·client·claims·to·be·using·(if·it·could |
| 277 | not·be·determined,·a·minus·sign·is·placed·in·this·field).</p></li></ul><p>This·affects·the·access·logs·written·by·<code·class="inline">mod_log</code>·and·<code·class="inline">mod_disk_log</code>.</p></li><li><p><a·href=""·id="prop_elog_format"></a>·<strong><code·class="inline">{error_log_format,·pretty·|·compact}</code></strong><br/>Default·is·<code·class="inline">pretty</code>.·If·the·error·log·is·meant·to·be·read·directly·by·a·human, | 277 | not·be·determined,·a·minus·sign·is·placed·in·this·field).</p></li></ul><p>This·affects·the·access·logs·written·by·<code·class="inline">mod_log</code>·and·<code·class="inline">mod_disk_log</code>.</p></li><li><p><a·href=""·id="prop_elog_format"></a>·<strong><code·class="inline">{error_log_format,·pretty·|·compact}</code></strong><br/>Default·is·<code·class="inline">pretty</code>.·If·the·error·log·is·meant·to·be·read·directly·by·a·human, |
| 278 | <code·class="inline">pretty</code>·is·the·best·option.</p><p><code·class="inline">pretty</code>·has·a·format·corresponding·to:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="8 | 278 | <code·class="inline">pretty</code>·is·the·best·option.</p><p><code·class="inline">pretty</code>·has·a·format·corresponding·to:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="8361002149-1">(</span><span·class="s">"[</span><span·class="si">~s</span><span·class="s">]·</span><span·class="si">~s</span><span·class="s">,·reason:·</span><span·class="si">~n</span><span·class="s">·</span><span·class="si">~p</span><span·class="s">·</[·...·truncated·by·diffoscope;·len:·1380,·SHA:·39c5a354a07f3cd9bd886c3ee9d8bdcbc7d025acf2270a061df6af9389b80377·...·]-1">)</span><span·class="p">.</span></code></pre><p>This·affects·the·error·logs·written·by·<code·class="inline">mod_log</code>·and·<code·class="inline">mod_disk_log</code>.</p></li></ul><p><a·href=""·id="props_alias"></a></p><h3·id="module-url-aliasing-properties-requires-mod_alias"·class="section-heading"> |
| 279 | ··<a·href="#module-url-aliasing-properties-requires-mod_alias"·class="hover-link"> | 279 | ··<a·href="#module-url-aliasing-properties-requires-mod_alias"·class="hover-link"> |
| 280 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 280 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 281 | ··</a> | 281 | ··</a> |
| 282 | ··<span·class="text">URL·Aliasing·Properties·-·Requires·mod_alias</span> | 282 | ··<span·class="text">URL·Aliasing·Properties·-·Requires·mod_alias</span> |
| 283 | </h3> | 283 | </h3> |
| 284 | <ul><li><p><a·href=""·id="prop_alias"></a>·<strong><code·class="inline">{alias,·{Alias,·RealName}}</code></strong><br/><code·class="inline">Alias·=·string()</code>·and·<code·class="inline">RealName·=·string()</code>.·<code·class="inline">alias</code>·allows·documents·to·be | 284 | <ul><li><p><a·href=""·id="prop_alias"></a>·<strong><code·class="inline">{alias,·{Alias,·RealName}}</code></strong><br/><code·class="inline">Alias·=·string()</code>·and·<code·class="inline">RealName·=·string()</code>.·<code·class="inline">alias</code>·allows·documents·to·be |
| 285 | stored·in·the·local·file·system·instead·of·the·<code·class="inline">document_root</code>·location.·URLs | 285 | stored·in·the·local·file·system·instead·of·the·<code·class="inline">document_root</code>·location.·URLs |
| 286 | with·a·path·beginning·with·url-path·is·mapped·to·local·files·beginning·with | 286 | with·a·path·beginning·with·url-path·is·mapped·to·local·files·beginning·with |
| 287 | directory-filename,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 287 | directory-filename,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1927482096-1">{</span><span·class="ss">alias</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1927482096-2">{</span><span·class="s">"/image"</span><span·class="p">,</span><span·class="w">·</span><span·class="s"[·...·truncated·by·diffoscope;·len:·128,·SHA:·fa41ff92e062f33140355b5e1caefb2f05533258fe93b4dd59731113a2a9400a·...·]-1">}</span></code></pre><p>Access·to·<a·href="http://your.server.org/image/foo.gif">http://your.server.org/image/foo.gif</a>·would·refer·to·the·file |
| 288 | /ftp/pub/image/foo.gif.</p></li><li><p><a·href=""·id="prop_re_write"></a>·<strong><code·class="inline">{re_write,·{Re,·Replacement}}</code></strong><br/><code·class="inline">Re·=·string()</code>·and·<code·class="inline">Replacement·=·string()</code>.·<code·class="inline">re_write</code>·allows·documents·to | 288 | /ftp/pub/image/foo.gif.</p></li><li><p><a·href=""·id="prop_re_write"></a>·<strong><code·class="inline">{re_write,·{Re,·Replacement}}</code></strong><br/><code·class="inline">Re·=·string()</code>·and·<code·class="inline">Replacement·=·string()</code>.·<code·class="inline">re_write</code>·allows·documents·to |
| 289 | be·stored·in·the·local·file·system·instead·of·the·<code·class="inline">document_root</code>·location. | 289 | be·stored·in·the·local·file·system·instead·of·the·<code·class="inline">document_root</code>·location. |
| 290 | URLs·are·rewritten·by·<a·href="../../../../lib/stdlib-6.2.1/doc/html/re.html#replace/3"><code·class="inline">re:replace/3</code></a>·to·produce·a·path·in·the·local | 290 | URLs·are·rewritten·by·<a·href="../../../../lib/stdlib-6.2.1/doc/html/re.html#replace/3"><code·class="inline">re:replace/3</code></a>·to·produce·a·path·in·the·local |
| 291 | file-system,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 291 | file-system,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2251466210-1">{</span><span·class="ss">re_write</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2251466210-2">{</span><span·class="s">"^/[~]([^/]+)(.*)$"</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·147,·SHA:·3a77b035b4970373b5c911fbda92e0e151c7a431ebef89b64fb3fd9603e77864·...·]-1">}</span></code></pre><p>Access·to·<a·href="http://your.server.org/~bob/foo.gif">http://your.server.org/~bob/foo.gif</a>·would·refer·to·the·file |
| 292 | /home/bob/public/foo.gif.</p></li><li><p><a·href=""·id="prop_dir_idx"></a>·<strong><code·class="inline">{directory_index,·[string()]}</code></strong><br/><code·class="inline">directory_index</code>·specifies·a·list·of·resources·to·look·for·if·a·client | 292 | /home/bob/public/foo.gif.</p></li><li><p><a·href=""·id="prop_dir_idx"></a>·<strong><code·class="inline">{directory_index,·[string()]}</code></strong><br/><code·class="inline">directory_index</code>·specifies·a·list·of·resources·to·look·for·if·a·client |
| 293 | requests·a·directory·using·a·<code·class="inline">/</code>·at·the·end·of·the·directory·name.·<code·class="inline">file</code> | 293 | requests·a·directory·using·a·<code·class="inline">/</code>·at·the·end·of·the·directory·name.·<code·class="inline">file</code> |
| 294 | depicts·the·name·of·a·file·in·the·directory.·Several·files·can·be·given,·in | 294 | depicts·the·name·of·a·file·in·the·directory.·Several·files·can·be·given,·in |
| 295 | which·case·the·server·returns·the·first·it·finds,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3 | 295 | which·case·the·server·returns·the·first·it·finds,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3135266271-1">{</span><span·class="ss">directory_index</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3135266271-2">[</span><span·class="s">"index.html"</span><span·class="p">,</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·139,·SHA:·74b9c1ae11490c36051958a4e4555685e7dc9122d7d39a286f8b4582b78a8dc9·...·]-1">}</span></code></pre><p>Access·to·<a·href="http://your.server.org/docs/">http://your.server.org/docs/</a>·would·return |
| 296 | <a·href="http://your.server.org/docs/index.html">http://your.server.org/docs/index.html</a>·or | 296 | <a·href="http://your.server.org/docs/index.html">http://your.server.org/docs/index.html</a>·or |
| 297 | <a·href="http://your.server.org/docs/welcome.html">http://your.server.org/docs/welcome.html</a>·if·index.html·does·not·exist.</p></li></ul><p><a·href=""·id="props_cgi"></a></p><h3·id="module-cgi-properties-requires-mod_cgi"·class="section-heading"> | 297 | <a·href="http://your.server.org/docs/welcome.html">http://your.server.org/docs/welcome.html</a>·if·index.html·does·not·exist.</p></li></ul><p><a·href=""·id="props_cgi"></a></p><h3·id="module-cgi-properties-requires-mod_cgi"·class="section-heading"> |
| 298 | ··<a·href="#module-cgi-properties-requires-mod_cgi"·class="hover-link"> | 298 | ··<a·href="#module-cgi-properties-requires-mod_cgi"·class="hover-link"> |
| 299 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 299 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 300 | ··</a> | 300 | ··</a> |
| 301 | ··<span·class="text">CGI·Properties·-·Requires·mod_cgi</span> | 301 | ··<span·class="text">CGI·Properties·-·Requires·mod_cgi</span> |
| 302 | </h3> | 302 | </h3> |
| Offset 316, 23 lines modified | Offset 316, 23 lines modified | ||
| 316 | activating·a·CGI·script·whenever·a·file·of·a·certain·MIME·type·is·requested. | 316 | activating·a·CGI·script·whenever·a·file·of·a·certain·MIME·type·is·requested. |
| 317 | It·propagates·the·URL·and·file·path·of·the·requested·document·using·the | 317 | It·propagates·the·URL·and·file·path·of·the·requested·document·using·the |
| 318 | standard·CGI·PATH_INFO·and·PATH_TRANSLATED·environment·variables.</p><p>Example:</p><pre><code·class="text">{action,·{"text/plain",·"/cgi-bin/log_and_deliver_text"}}</code></pre></li><li><p><a·href=""·id="prop_script"></a>·<strong><code·class="inline">{script,·{Method,·CgiScript}}</code></strong>·-·requires·<code·class="inline">mod_actions</code><br/><code·class="inline">Method·=·string()</code>·and·<code·class="inline">CgiScript·=·string()</code>.·<code·class="inline">script</code>·adds·an·action | 318 | standard·CGI·PATH_INFO·and·PATH_TRANSLATED·environment·variables.</p><p>Example:</p><pre><code·class="text">{action,·{"text/plain",·"/cgi-bin/log_and_deliver_text"}}</code></pre></li><li><p><a·href=""·id="prop_script"></a>·<strong><code·class="inline">{script,·{Method,·CgiScript}}</code></strong>·-·requires·<code·class="inline">mod_actions</code><br/><code·class="inline">Method·=·string()</code>·and·<code·class="inline">CgiScript·=·string()</code>.·<code·class="inline">script</code>·adds·an·action |
| 319 | activating·a·CGI·script·whenever·a·file·is·requested·using·a·certain·HTTP | 319 | activating·a·CGI·script·whenever·a·file·is·requested·using·a·certain·HTTP |
| 320 | method.·The·method·is·either·GET·or·POST,·as·defined·in | 320 | method.·The·method·is·either·GET·or·POST,·as·defined·in |
| 321 | <a·href="http://www.ietf.org/rfc/rfc1945.txt">RFC·1945</a>.·It·propagates·the·URL·and | 321 | <a·href="http://www.ietf.org/rfc/rfc1945.txt">RFC·1945</a>.·It·propagates·the·URL·and |
| 322 | file·path·of·the·requested·document·using·the·standard·CGI·PATH_INFO·and | 322 | file·path·of·the·requested·document·using·the·standard·CGI·PATH_INFO·and |
| 323 | PATH_TRANSLATED·environment·variables.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0 | 323 | PATH_TRANSLATED·environment·variables.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0253500263-1">{</span><span·class="ss">script</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0253500263-2">{</span><span·class="s">"PUT"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">&q[·...·truncated·by·diffoscope;·len:·123,·SHA:·f0d6240885aede71545d9b6302f5826a69e85aed31eac15cc2ef23e2809bb51b·...·]-1">}</span></code></pre></li></ul><p><a·href=""·id="props_esi"></a></p><h3·id="module-esi-properties-requires-mod_esi"·class="section-heading"> |
| 324 | ··<a·href="#module-esi-properties-requires-mod_esi"·class="hover-link"> | 324 | ··<a·href="#module-esi-properties-requires-mod_esi"·class="hover-link"> |
| 325 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 325 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 326 | ··</a> | 326 | ··</a> |
| 327 | ··<span·class="text">ESI·Properties·-·Requires·mod_esi</span> | 327 | ··<span·class="text">ESI·Properties·-·Requires·mod_esi</span> |
| 328 | </h3> | 328 | </h3> |
| 329 | <ul><li><p><a·href=""·id="prop_esi_alias"></a>·<strong><code·class="inline">{erl_script_alias,·{URLPath,·[AllowedModule]}}</code></strong><br/><code·class="inline">URLPath·=·string()</code>·and·<code·class="inline">AllowedModule·=·atom()</code>.·<code·class="inline">erl_script_alias</code>·marks | 329 | <ul><li><p><a·href=""·id="prop_esi_alias"></a>·<strong><code·class="inline">{erl_script_alias,·{URLPath,·[AllowedModule]}}</code></strong><br/><code·class="inline">URLPath·=·string()</code>·and·<code·class="inline">AllowedModule·=·atom()</code>.·<code·class="inline">erl_script_alias</code>·marks |
| 330 | all·URLs·matching·url-path·as·erl·scheme·scripts.·A·matching·URL·is·mapped | 330 | all·URLs·matching·url-path·as·erl·scheme·scripts.·A·matching·URL·is·mapped |
| 331 | into·a·specific·module·and·function,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 331 | into·a·specific·module·and·function,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8111153157-1">{</span><span·class="ss">erl_script_alias</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8111153157-2">{</span><span·class="s">"/cgi-bin/example"</span><span·class="p">,</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·243,·SHA:·615e4e1af0aa94c7e753a1cc85fb015d450157d789e039273be3f42855263b64·...·]-1">}</span></code></pre><p>A·request·to·<a·href="http://your.server.org/cgi-bin/example/httpd_example:yahoo">http://your.server.org/cgi-bin/example/httpd_example:yahoo</a>·would |
| 332 | refer·to·httpd_example:yahoo/3·or,·if·that·does·not·exist, | 332 | refer·to·httpd_example:yahoo/3·or,·if·that·does·not·exist, |
| 333 | httpd_example:yahoo/2·and·<a·href="http://your.server.org/cgi-bin/example/other:yahoo">http://your.server.org/cgi-bin/example/other:yahoo</a> | 333 | httpd_example:yahoo/2·and·<a·href="http://your.server.org/cgi-bin/example/other:yahoo">http://your.server.org/cgi-bin/example/other:yahoo</a> |
| 334 | would·not·be·allowed·to·execute.</p></li><li><p><a·href=""·id="prop_esi_nocache"></a>·<strong><code·class="inline">{erl_script_nocache,·boolean()}</code></strong><br/>If·<code·class="inline">erl_script_nocache</code>·is·set·to·<code·class="inline">true</code>,·the·server·adds·HTTP·header·fields | 334 | would·not·be·allowed·to·execute.</p></li><li><p><a·href=""·id="prop_esi_nocache"></a>·<strong><code·class="inline">{erl_script_nocache,·boolean()}</code></strong><br/>If·<code·class="inline">erl_script_nocache</code>·is·set·to·<code·class="inline">true</code>,·the·server·adds·HTTP·header·fields |
| 335 | preventing·proxies·from·caching·the·page.·This·is·generally·a·good·idea·for | 335 | preventing·proxies·from·caching·the·page.·This·is·generally·a·good·idea·for |
| 336 | dynamic·content,·as·the·content·often·varies·between·each·request.·Default·is | 336 | dynamic·content,·as·the·content·often·varies·between·each·request.·Default·is |
| 337 | <code·class="inline">false</code>.</p></li><li><p><a·href=""·id="prop_esi_timeout"></a>·<strong><code·class="inline">{erl_script_timeout,·integer()}</code></strong><br/>If·<code·class="inline">erl_script_timeout</code>·sets·the·time·in·seconds·the·server·waits·between·each | 337 | <code·class="inline">false</code>.</p></li><li><p><a·href=""·id="prop_esi_timeout"></a>·<strong><code·class="inline">{erl_script_timeout,·integer()}</code></strong><br/>If·<code·class="inline">erl_script_timeout</code>·sets·the·time·in·seconds·the·server·waits·between·each |
| 338 | chunk·of·data·to·be·delivered·through·<a·href="mod_esi.html#deliver/2"><code·class="inline">mod_esi:deliver/2</code></a>.·Default·is·<code·class="inline">15</code>. | 338 | chunk·of·data·to·be·delivered·through·<a·href="mod_esi.html#deliver/2"><code·class="inline">mod_esi:deliver/2</code></a>.·Default·is·<code·class="inline">15</code>. |
| Offset 374, 15 lines modified | Offset 374, 15 lines modified | ||
| 374 | is·written·to·each·file·and·max·files·is·used·before·the·first·file·is | 374 | is·written·to·each·file·and·max·files·is·used·before·the·first·file·is |
| 375 | truncated·and·reused.</p></li></ul><p><a·href=""·id="props_auth"></a></p><h3·id="module-authentication-properties-requires-mod_auth"·class="section-heading"> | 375 | truncated·and·reused.</p></li></ul><p><a·href=""·id="props_auth"></a></p><h3·id="module-authentication-properties-requires-mod_auth"·class="section-heading"> |
| 376 | ··<a·href="#module-authentication-properties-requires-mod_auth"·class="hover-link"> | 376 | ··<a·href="#module-authentication-properties-requires-mod_auth"·class="hover-link"> |
| 377 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 377 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 378 | ··</a> | 378 | ··</a> |
| 379 | ··<span·class="text">Authentication·Properties·-·Requires·mod_auth</span> | 379 | ··<span·class="text">Authentication·Properties·-·Requires·mod_auth</span> |
| 380 | </h3> | 380 | </h3> |
| 381 | <p><a·href=""·id="prop_dri"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 381 | <p><a·href=""·id="prop_dri"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8621542243-1">{</span><span·class="ss">directory</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8621542243-2">{</span><span·class="nf">path</span><span·class="p"·data-group-id="8621542243-3">(</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·1510,·SHA:·590393d9babcf8a2272a5b16587383f5030d0a4d8317c1e9d53dcf7d77923e03·...·]-1">}</span></code></pre><p>The·host·<code·class="inline">123.34.56.11</code>·and·all·machines·on·the·<code·class="inline">150.100.23</code>·subnet·are |
| 382 | allowed·access.</p></li><li><p><a·href=""·id="prop_deny_from"></a>·<strong><code·class="inline">{deny_from,·all·|·[RegxpHostString]}</code></strong><br/>Defines·a·set·of·hosts·to·be·denied·access·to·a·given·directory,·for·example:</p><pre><code·class="text">{deny_from,·["123.34.56.11",·"150.100.23"]}</code></pre><p>The·host·<code·class="inline">123.34.56.11</code>·and·all·machines·on·the·<code·class="inline">150.100.23</code>·subnet·are·not | 382 | allowed·access.</p></li><li><p><a·href=""·id="prop_deny_from"></a>·<strong><code·class="inline">{deny_from,·all·|·[RegxpHostString]}</code></strong><br/>Defines·a·set·of·hosts·to·be·denied·access·to·a·given·directory,·for·example:</p><pre><code·class="text">{deny_from,·["123.34.56.11",·"150.100.23"]}</code></pre><p>The·host·<code·class="inline">123.34.56.11</code>·and·all·machines·on·the·<code·class="inline">150.100.23</code>·subnet·are·not |
| 383 | allowed·access.</p></li><li><p><a·href=""·id="prop_auth_type"></a>·<strong><code·class="inline">{auth_type,·plain·|·dets·|·mnesia}</code></strong><br/>Sets·the·type·of·authentication·database·that·is·used·for·the·directory.·The | 383 | allowed·access.</p></li><li><p><a·href=""·id="prop_auth_type"></a>·<strong><code·class="inline">{auth_type,·plain·|·dets·|·mnesia}</code></strong><br/>Sets·the·type·of·authentication·database·that·is·used·for·the·directory.·The |
| 384 | key·difference·between·the·different·methods·is·that·dynamic·data·can·be·saved | 384 | key·difference·between·the·different·methods·is·that·dynamic·data·can·be·saved |
| 385 | when·Mnesia·and·Dets·are·used.</p></li><li><p><a·href=""·id="prop_auth_user_file"></a>·<strong><code·class="inline">{auth_user_file,·path()}</code></strong><br/>Sets·the·name·of·a·file·containing·the·list·of·users·and·passwords·for·user | 385 | when·Mnesia·and·Dets·are·used.</p></li><li><p><a·href=""·id="prop_auth_user_file"></a>·<strong><code·class="inline">{auth_user_file,·path()}</code></strong><br/>Sets·the·name·of·a·file·containing·the·list·of·users·and·passwords·for·user |
| 386 | authentication.·The·filename·can·be·either·absolute·or·relative·to·the | 386 | authentication.·The·filename·can·be·either·absolute·or·relative·to·the |
| 387 | <code·class="inline">server_root</code>.·If·using·the·plain·storage·method,·this·file·is·a·plain·text | 387 | <code·class="inline">server_root</code>.·If·using·the·plain·storage·method,·this·file·is·a·plain·text |
| 388 | file·where·each·line·contains·a·username·followed·by·a·colon,·followed·by·the | 388 | file·where·each·line·contains·a·username·followed·by·a·colon,·followed·by·the |
| Offset 409, 15 lines modified | Offset 409, 15 lines modified | ||
| 409 | changed·after·the·web·server·is·started.·Otherwise·it·is·written·in·clear·text | 409 | changed·after·the·web·server·is·started.·Otherwise·it·is·written·in·clear·text |
| 410 | in·the·configuration·file.</p></li><li><p><a·href=""·id="prop_req_user"></a>·<strong><code·class="inline">{require_user,·[string()]}</code></strong><br/>Defines·users·to·grant·access·to·a·given·directory·using·a·secret·password.</p></li><li><p><a·href=""·id="prop_req_grp"></a>·<strong><code·class="inline">{require_group,·[string()]}</code></strong><br/>Defines·users·to·grant·access·to·a·given·directory·using·a·secret·password.</p></li></ul><p><a·href=""·id="props_sec"></a></p><h3·id="module-security-properties-requires-mod_security"·class="section-heading"> | 410 | in·the·configuration·file.</p></li><li><p><a·href=""·id="prop_req_user"></a>·<strong><code·class="inline">{require_user,·[string()]}</code></strong><br/>Defines·users·to·grant·access·to·a·given·directory·using·a·secret·password.</p></li><li><p><a·href=""·id="prop_req_grp"></a>·<strong><code·class="inline">{require_group,·[string()]}</code></strong><br/>Defines·users·to·grant·access·to·a·given·directory·using·a·secret·password.</p></li></ul><p><a·href=""·id="props_sec"></a></p><h3·id="module-security-properties-requires-mod_security"·class="section-heading"> |
| 411 | ··<a·href="#module-security-properties-requires-mod_security"·class="hover-link"> | 411 | ··<a·href="#module-security-properties-requires-mod_security"·class="hover-link"> |
| 412 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 412 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 413 | ··</a> | 413 | ··</a> |
| 414 | ··<span·class="text">Security·Properties·-·Requires·mod_security</span> | 414 | ··<span·class="text">Security·Properties·-·Requires·mod_security</span> |
| 415 | </h3> | 415 | </h3> |
| 416 | <p><a·href=""·id="prop_sec_dir"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 416 | <p><a·href=""·id="prop_sec_dir"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2043195563-1">{</span><span·class="ss">security_directory</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2043195563-2">{</span><span·class="nf">path</span><span·class="p"·data-group-id="2043195563-3">(</span><span·clas[·...·truncated·by·diffoscope;·len:·717,·SHA:·d9160cf7eb34de3a082808aed106afdd9aa43b48831b0563ea96ee246235abb0·...·]-1">}</span></code></pre><p><a·href=""·id="props_sdir"></a></p><p>The·properties·for·the·security·directories·are·as·follows:</p><ul><li><p><a·href=""·id="prop_data_file"></a>·<strong><code·class="inline">{data_file,·path()}</code></strong><br/>Name·of·the·security·data·file.·The·filename·can·either·be·absolute·or |
| 417 | relative·to·the·<code·class="inline">server_root</code>.·This·file·is·used·to·store·persistent·data·for | 417 | relative·to·the·<code·class="inline">server_root</code>.·This·file·is·used·to·store·persistent·data·for |
| 418 | module·<code·class="inline">mod_security</code>.</p></li><li><p><a·href=""·id="prop_max_retries"></a>·<strong><code·class="inline">{max_retries,·integer()}</code></strong><br/>Specifies·the·maximum·number·of·attempts·to·authenticate·a·user·before·the | 418 | module·<code·class="inline">mod_security</code>.</p></li><li><p><a·href=""·id="prop_max_retries"></a>·<strong><code·class="inline">{max_retries,·integer()}</code></strong><br/>Specifies·the·maximum·number·of·attempts·to·authenticate·a·user·before·the |
| 419 | user·is·blocked·out.·If·a·user·successfully·authenticates·while·blocked,·the | 419 | user·is·blocked·out.·If·a·user·successfully·authenticates·while·blocked,·the |
| 420 | user·receives·a·403·(Forbidden)·response·from·the·server.·If·the·user·makes·a | 420 | user·receives·a·403·(Forbidden)·response·from·the·server.·If·the·user·makes·a |
| 421 | failed·attempt·while·blocked,·the·server·returns·401·(Unauthorized),·for | 421 | failed·attempt·while·blocked,·the·server·returns·401·(Unauthorized),·for |
| 422 | security·reasons.·Default·is·<code·class="inline">3</code>.·Can·be·set·to·infinity.</p></li><li><p><a·href=""·id="prop_block_time"></a>·<strong><code·class="inline">{block_time,·integer()}</code></strong><br/>Specifies·the·number·of·minutes·a·user·is·blocked.·After·this·time·has·passed, | 422 | security·reasons.·Default·is·<code·class="inline">3</code>.·Can·be·set·to·infinity.</p></li><li><p><a·href=""·id="prop_block_time"></a>·<strong><code·class="inline">{block_time,·integer()}</code></strong><br/>Specifies·the·number·of·minutes·a·user·is·blocked.·After·this·time·has·passed, |
| 423 | the·user·automatically·regains·access.·Default·is·<code·class="inline">60</code>.</p></li><li><p><a·href=""·id="prop_fail_exp_time"></a>·<strong><code·class="inline">{fail_expire_time,·integer()}</code></strong><br/>Specifies·the·number·of·minutes·a·failed·user·authentication·is·remembered.·If | 423 | the·user·automatically·regains·access.·Default·is·<code·class="inline">60</code>.</p></li><li><p><a·href=""·id="prop_fail_exp_time"></a>·<strong><code·class="inline">{fail_expire_time,·integer()}</code></strong><br/>Specifies·the·number·of·minutes·a·failed·user·authentication·is·remembered.·If |
| Offset 426, 30 lines modified | Offset 426, 30 lines modified | ||
| 426 | remembered.·After·this·time·has·passed,·the·authentication·is·no·longer | 426 | remembered.·After·this·time·has·passed,·the·authentication·is·no·longer |
| 427 | reported.·Default·is·<code·class="inline">30</code>.</p></li></ul><h2·id="module-web-server-api-data-types"·class="section-heading"> | 427 | reported.·Default·is·<code·class="inline">30</code>.</p></li></ul><h2·id="module-web-server-api-data-types"·class="section-heading"> |
| 428 | ··<a·href="#module-web-server-api-data-types"·class="hover-link"> | 428 | ··<a·href="#module-web-server-api-data-types"·class="hover-link"> |
| 429 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 429 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 430 | ··</a> | 430 | ··</a> |
| 431 | ··<span·class="text">Web·server·API·data·types</span> | 431 | ··<span·class="text">Web·server·API·data·types</span> |
| 432 | </h2> | 432 | </h2> |
| 433 | <p>The·Erlang·web·server·API·data·types·are·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ModData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">mod</span><span·class="p"·data-group-id=" | 433 | <p>The·Erlang·web·server·API·data·types·are·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ModData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">mod</span><span·class="p"·data-group-id="5751818616-1">{</span><span·class="p"·data-group-id="5751818616-1">}</span><span·class="w"> |
| 434 | </span><span·class="w"> | 434 | </span><span·class="w"> |
| 435 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 435 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="5751818616-2">(</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5751818616-3">{</span><span·class="w"> |
| 436 | ····</span><span·class="ss">data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 436 | ····</span><span·class="ss">data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5751818616-4">[</span><span·class="p"·data-group-id="5751818616-4">]</span><span·class="p">,</span><span·class="w"> |
| 437 | ····</span><span·class="ss">socket_type</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">ip_comm</span><span·class="p">,</span><span·class="w"> | 437 | ····</span><span·class="ss">socket_type</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">ip_comm</span><span·class="p">,</span><span·class="w"> |
| 438 | ····</span><span·class="ss">socket</span><span·class="p">,</span><span·class="w"> | 438 | ····</span><span·class="ss">socket</span><span·class="p">,</span><span·class="w"> |
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| 309 | ······<p·class="built-using"> | 309 | ······<p·class="built-using"> |
| 310 | ········Built·using | 310 | ········Built·using |
| 311 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 311 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 312 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 312 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 313 | ······</p> | 313 | ······</p> |
| 314 | <p>Copyright·©·1996-202 | 314 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 315 | ····</footer> | 315 | ····</footer> |
| 316 | ··</div> | 316 | ··</div> |
| 317 | </main> | 317 | </main> |
| 318 | </div> | 318 | </div> |
| 319 | <script> | 319 | <script> |
| 320 | ··function·mermaidLoaded()·{ | 320 | ··function·mermaidLoaded()·{ |
| 321 | ····mermaid.initialize({ | 321 | ····mermaid.initialize({ |
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| 311 | ······<p·class="built-using"> | 311 | ······<p·class="built-using"> |
| 312 | ········Built·using | 312 | ········Built·using |
| 313 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 313 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 314 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 314 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 315 | ······</p> | 315 | ······</p> |
| 316 | <p>Copyright·©·1996-202 | 316 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 317 | ····</footer> | 317 | ····</footer> |
| 318 | ··</div> | 318 | ··</div> |
| 319 | </main> | 319 | </main> |
| 320 | </div> | 320 | </div> |
| 321 | <script> | 321 | <script> |
| 322 | ··function·mermaidLoaded()·{ | 322 | ··function·mermaidLoaded()·{ |
| 323 | ····mermaid.initialize({ | 323 | ····mermaid.initialize({ |
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| 949 | ······<p·class="built-using"> | 949 | ······<p·class="built-using"> |
| 950 | ········Built·using | 950 | ········Built·using |
| 951 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 951 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 952 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 952 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 953 | ······</p> | 953 | ······</p> |
| 954 | <p>Copyright·©·1996-202 | 954 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 955 | ····</footer> | 955 | ····</footer> |
| 956 | ··</div> | 956 | ··</div> |
| 957 | </main> | 957 | </main> |
| 958 | </div> | 958 | </div> |
| 959 | <script> | 959 | <script> |
| 960 | ··function·mermaidLoaded()·{ | 960 | ··function·mermaidLoaded()·{ |
| 961 | ····mermaid.initialize({ | 961 | ····mermaid.initialize({ |
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| 653 | ······<p·class="built-using"> | 653 | ······<p·class="built-using"> |
| 654 | ········Built·using | 654 | ········Built·using |
| 655 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 655 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 656 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 656 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 657 | ······</p> | 657 | ······</p> |
| 658 | <p>Copyright·©·1996-202 | 658 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 659 | ····</footer> | 659 | ····</footer> |
| 660 | ··</div> | 660 | ··</div> |
| 661 | </main> | 661 | </main> |
| 662 | </div> | 662 | </div> |
| 663 | <script> | 663 | <script> |
| 664 | ··function·mermaidLoaded()·{ | 664 | ··function·mermaidLoaded()·{ |
| 665 | ····mermaid.initialize({ | 665 | ····mermaid.initialize({ |
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| 137 | takeover,·configure·the·services·to·be·started·at·application·startup.·When | 137 | takeover,·configure·the·services·to·be·started·at·application·startup.·When |
| 138 | starting·the·<code·class="inline">Inets</code>·application,·the·<code·class="inline">Inets</code>·top·supervisor·starts·a·number·of | 138 | starting·the·<code·class="inline">Inets</code>·application,·the·<code·class="inline">Inets</code>·top·supervisor·starts·a·number·of |
| 139 | subsupervisors·and·worker·processes·for·handling·the·provided·services.·When | 139 | subsupervisors·and·worker·processes·for·handling·the·provided·services.·When |
| 140 | starting·services·dynamically,·new·children·are·added·to·the·supervision·tree, | 140 | starting·services·dynamically,·new·children·are·added·to·the·supervision·tree, |
| 141 | unless·the·service·is·started·with·the·standalone·option.·In·this·case·the | 141 | unless·the·service·is·started·with·the·standalone·option.·In·this·case·the |
| 142 | service·is·linked·to·the·calling·process·and·all·OTP·application·features,·such | 142 | service·is·linked·to·the·calling·process·and·all·OTP·application·features,·such |
| 143 | as·soft·upgrade,·are·lost.</p><p>Services·to·be·configured·for·startup·at·application·startup·are·to·be·put·into | 143 | as·soft·upgrade,·are·lost.</p><p>Services·to·be·configured·for·startup·at·application·startup·are·to·be·put·into |
| 144 | the·Erlang·node·configuration·file·on·the·following·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 144 | the·Erlang·node·configuration·file·on·the·following·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8228780918-1">[</span><span·class="p"·data-group-id="8228780918-2">{</span><span·class="ss">inets</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8228780918-3">[</span><span·class="p"·data-group-id="8228780918-4">{</spa[·...·truncated·by·diffoscope;·len:·328,·SHA:·66ca0f5555ced0b2b23173efbc3afe6240bf77d34582b7b0646afe73b12ac683·...·]8-1">]</span><span·class="p">.</span></code></pre><p>For·details·of·what·to·put·in·the·list·of·configured·services,·see·the |
| 145 | documentation·for·the·services·to·be·configured.</p> | 145 | documentation·for·the·services·to·be·configured.</p> |
| 146 | </div> | 146 | </div> |
| 147 | <div·class="bottom-actions"·id="bottom-actions"> | 147 | <div·class="bottom-actions"·id="bottom-actions"> |
| 148 | ··<div·class="bottom-actions-item"> | 148 | ··<div·class="bottom-actions-item"> |
| 149 | ······<a·href="introduction.html"·class="bottom-actions-button"·rel="prev"> | 149 | ······<a·href="introduction.html"·class="bottom-actions-button"·rel="prev"> |
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| 189 | ······<p·class="built-using"> | 189 | ······<p·class="built-using"> |
| 190 | ········Built·using | 190 | ········Built·using |
| 191 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 191 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 192 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 192 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 193 | ······</p> | 193 | ······</p> |
| 194 | <p>Copyright·©·1996-202 | 194 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 195 | ····</footer> | 195 | ····</footer> |
| 196 | ··</div> | 196 | ··</div> |
| 197 | </main> | 197 | </main> |
| 198 | </div> | 198 | </div> |
| 199 | <script> | 199 | <script> |
| 200 | ··function·mermaidLoaded()·{ | 200 | ··function·mermaidLoaded()·{ |
| 201 | ····mermaid.initialize({ | 201 | ····mermaid.initialize({ |
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| 186 | ······<p·class="built-using"> | 186 | ······<p·class="built-using"> |
| 187 | ········Built·using | 187 | ········Built·using |
| 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 190 | ······</p> | 190 | ······</p> |
| 191 | <p>Copyright·©·1996-202 | 191 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 192 | ····</footer> | 192 | ····</footer> |
| 193 | ··</div> | 193 | ··</div> |
| 194 | </main> | 194 | </main> |
| 195 | </div> | 195 | </div> |
| 196 | <script> | 196 | <script> |
| 197 | ··function·mermaidLoaded()·{ | 197 | ··function·mermaidLoaded()·{ |
| 198 | ····mermaid.initialize({ | 198 | ····mermaid.initialize({ |
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| 401 | ······<p·class="built-using"> | 401 | ······<p·class="built-using"> |
| 402 | ········Built·using | 402 | ········Built·using |
| 403 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 403 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 404 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 404 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 405 | ······</p> | 405 | ······</p> |
| 406 | <p>Copyright·©·1996-202 | 406 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 407 | ····</footer> | 407 | ····</footer> |
| 408 | ··</div> | 408 | ··</div> |
| 409 | </main> | 409 | </main> |
| 410 | </div> | 410 | </div> |
| 411 | <script> | 411 | <script> |
| 412 | ··function·mermaidLoaded()·{ | 412 | ··function·mermaidLoaded()·{ |
| 413 | ····mermaid.initialize({ | 413 | ····mermaid.initialize({ |
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| 1625 | ······<p·class="built-using"> | 1625 | ······<p·class="built-using"> |
| 1626 | ········Built·using | 1626 | ········Built·using |
| 1627 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1627 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1628 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1628 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1629 | ······</p> | 1629 | ······</p> |
| 1630 | <p>Copyright·©·1996-202 | 1630 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1631 | ····</footer> | 1631 | ····</footer> |
| 1632 | ··</div> | 1632 | ··</div> |
| 1633 | </main> | 1633 | </main> |
| 1634 | </div> | 1634 | </div> |
| 1635 | <script> | 1635 | <script> |
| 1636 | ··function·mermaidLoaded()·{ | 1636 | ··function·mermaidLoaded()·{ |
| 1637 | ····mermaid.initialize({ | 1637 | ····mermaid.initialize({ |
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| 393 | ······<p·class="built-using"> | 393 | ······<p·class="built-using"> |
| 394 | ········Built·using | 394 | ········Built·using |
| 395 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 395 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 396 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 396 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 397 | ······</p> | 397 | ······</p> |
| 398 | <p>Copyright·©·1996-202 | 398 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 399 | ····</footer> | 399 | ····</footer> |
| 400 | ··</div> | 400 | ··</div> |
| 401 | </main> | 401 | </main> |
| 402 | </div> | 402 | </div> |
| 403 | <script> | 403 | <script> |
| 404 | ··function·mermaidLoaded()·{ | 404 | ··function·mermaidLoaded()·{ |
| 405 | ····mermaid.initialize({ | 405 | ····mermaid.initialize({ |
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| 767 | ······<p·class="built-using"> | 767 | ······<p·class="built-using"> |
| 768 | ········Built·using | 768 | ········Built·using |
| 769 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 769 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 770 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 770 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 771 | ······</p> | 771 | ······</p> |
| 772 | <p>Copyright·©·1996-202 | 772 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 773 | ····</footer> | 773 | ····</footer> |
| 774 | ··</div> | 774 | ··</div> |
| 775 | </main> | 775 | </main> |
| 776 | </div> | 776 | </div> |
| 777 | <script> | 777 | <script> |
| 778 | ··function·mermaidLoaded()·{ | 778 | ··function·mermaidLoaded()·{ |
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| 2491 | ······<p·class="built-using"> | 2491 | ······<p·class="built-using"> |
| 2492 | ········Built·using | 2492 | ········Built·using |
| 2493 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2493 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2494 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2494 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2495 | ······</p> | 2495 | ······</p> |
| 2496 | <p>Copyright·©·1996-202 | 2496 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2497 | ····</footer> | 2497 | ····</footer> |
| 2498 | ··</div> | 2498 | ··</div> |
| 2499 | </main> | 2499 | </main> |
| 2500 | </div> | 2500 | </div> |
| 2501 | <script> | 2501 | <script> |
| 2502 | ··function·mermaidLoaded()·{ | 2502 | ··function·mermaidLoaded()·{ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 127 | ······<p·class="built-using"> | 127 | ······<p·class="built-using"> |
| 128 | ········Built·using | 128 | ········Built·using |
| 129 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 129 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 130 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 130 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 131 | ······</p> | 131 | ······</p> |
| 132 | <p>Copyright·©·1996-202 | 132 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 133 | ····</footer> | 133 | ····</footer> |
| 134 | ··</div> | 134 | ··</div> |
| 135 | </main> | 135 | </main> |
| 136 | </div> | 136 | </div> |
| 137 | <script> | 137 | <script> |
| 138 | ··function·mermaidLoaded()·{ | 138 | ··function·mermaidLoaded()·{ |
| 139 | ····mermaid.initialize({ | 139 | ····mermaid.initialize({ |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
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| 5 | <title>AbstractConnection·(Java-Erlang·Interface·Library)</title> | 5 | <title>AbstractConnection·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
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| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 5 | <title>GenericQueue·(Java-Erlang·Interface·Library)</title> | 5 | <title>GenericQueue·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
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| 5 | <title>OtpErlangList.SubList·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpErlangList.SubList·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
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| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
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| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 5 | <title>OtpLocalNode·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpLocalNode·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 5 | <title>OtpMbox·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpMbox·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
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| 5 | <title>OtpMsg·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpMsg·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 5 | <title>OtpNode.Acceptor·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpNode.Acceptor·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
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| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
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| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 5 | <title>OtpNode.Mailboxes·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpNode.Mailboxes·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
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| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
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| 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> | 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> |
| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
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| 5 | <title>OtpNode·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpNode·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
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| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
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| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 5 | <title>OtpNodeStatus·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpNodeStatus·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpNodeStatus"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpNodeStatus"> |
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| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
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| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
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| 4 | <!--·Generated·by·javadoc·(21)·on·Wed· | 4 | <!--·Generated·by·javadoc·(21)·on·Wed·Mar·12·21:38:18·GMT·2025·--> |
| 5 | <title>OtpOutputStream·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpOutputStream·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpOutputStream"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpOutputStream"> |
| 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> | 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> |
| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
| 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> | 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> |
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| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
| 3 | <head> | 3 | <head> |
| 4 | <!--·Generated·by·javadoc·(21)·on·Wed· | 4 | <!--·Generated·by·javadoc·(21)·on·Wed·Mar·12·21:38:18·GMT·2025·--> |
| 5 | <title>OtpPeer·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpPeer·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpPeer"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpPeer"> |
| 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> | 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> |
| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
| 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> | 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> |
| 13 | <script·type="text/javascript"·src="../../../../script.js"></script> | 13 | <script·type="text/javascript"·src="../../../../script.js"></script> |
| 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> | 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> |
| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
| 3 | <head> | 3 | <head> |
| 4 | <!--·Generated·by·javadoc·(21)·on·Wed· | 4 | <!--·Generated·by·javadoc·(21)·on·Wed·Mar·12·21:38:18·GMT·2025·--> |
| 5 | <title>OtpSelf·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpSelf·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpSelf"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpSelf"> |
| 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> | 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> |
| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
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| 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> | 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> |
| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
| 3 | <head> | 3 | <head> |
| 4 | <!--·Generated·by·javadoc·(21)·on·Wed· | 4 | <!--·Generated·by·javadoc·(21)·on·Wed·Mar·12·21:38:18·GMT·2025·--> |
| 5 | <title>OtpServer·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpServer·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpServer"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpServer"> |
| 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> | 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> |
| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
| 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> | 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> |
| 13 | <script·type="text/javascript"·src="../../../../script.js"></script> | 13 | <script·type="text/javascript"·src="../../../../script.js"></script> |
| 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> | 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> |
| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 1 | <!DOCTYPE·HTML> | 1 | <!DOCTYPE·HTML> |
| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
| 3 | <head> | 3 | <head> |
| 4 | <!--·Generated·by·javadoc·(21)·on·Wed· | 4 | <!--·Generated·by·javadoc·(21)·on·Wed·Mar·12·21:38:18·GMT·2025·--> |
| 5 | <title>OtpServerSocketTransport·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpServerSocketTransport·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpServerSocketTransport"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpServerSocketTransport"> |
| 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> | 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> |
| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
| 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> | 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> |
| 13 | <script·type="text/javascript"·src="../../../../script.js"></script> | 13 | <script·type="text/javascript"·src="../../../../script.js"></script> |
| 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> | 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> |
| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 1 | <!DOCTYPE·HTML> | 1 | <!DOCTYPE·HTML> |
| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
| 3 | <head> | 3 | <head> |
| 4 | <!--·Generated·by·javadoc·(21)·on·Wed· | 4 | <!--·Generated·by·javadoc·(21)·on·Wed·Mar·12·21:38:18·GMT·2025·--> |
| 5 | <title>OtpServerTransport·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpServerTransport·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·interface:·OtpServerTransport"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·interface:·OtpServerTransport"> |
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| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
| 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> | 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> |
| 13 | <script·type="text/javascript"·src="../../../../script.js"></script> | 13 | <script·type="text/javascript"·src="../../../../script.js"></script> |
| 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> | 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> |
| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
| 3 | <head> | 3 | <head> |
| 4 | <!--·Generated·by·javadoc·(21)·on·Wed· | 4 | <!--·Generated·by·javadoc·(21)·on·Wed·Mar·12·21:38:18·GMT·2025·--> |
| 5 | <title>OtpSocketTransport·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpSocketTransport·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpSocketTransport"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpSocketTransport"> |
| 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> | 10 | <meta·name="generator"·content="javadoc/ClassWriterImpl"> |
| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
| 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> | 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> |
| 13 | <script·type="text/javascript"·src="../../../../script.js"></script> | 13 | <script·type="text/javascript"·src="../../../../script.js"></script> |
| 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> | 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> |
| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 1 | <!DOCTYPE·HTML> | 1 | <!DOCTYPE·HTML> |
| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
| 3 | <head> | 3 | <head> |
| 4 | <!--·Generated·by·javadoc·(21)·on·Wed· | 4 | <!--·Generated·by·javadoc·(21)·on·Wed·Mar·12·21:38:18·GMT·2025·--> |
| 5 | <title>OtpSocketTransportFactory·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpSocketTransportFactory·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpSocketTransportFactory"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·class:·OtpSocketTransportFactory"> |
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| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
| 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> | 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> |
| 13 | <script·type="text/javascript"·src="../../../../script.js"></script> | 13 | <script·type="text/javascript"·src="../../../../script.js"></script> |
| 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> | 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> |
| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 1 | <!DOCTYPE·HTML> | 1 | <!DOCTYPE·HTML> |
| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
| 3 | <head> | 3 | <head> |
| 4 | <!--·Generated·by·javadoc·(21)·on·Wed· | 4 | <!--·Generated·by·javadoc·(21)·on·Wed·Mar·12·21:38:18·GMT·2025·--> |
| 5 | <title>OtpTransport·(Java-Erlang·Interface·Library)</title> | 5 | <title>OtpTransport·(Java-Erlang·Interface·Library)</title> |
| 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> | 6 | <meta·name="viewport"·content="width=device-width,·initial-scale=1"> |
| 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> | 7 | <meta·http-equiv="Content-Type"·content="text/html;·charset=UTF-8"> |
| 8 | <meta·name="dc.created"·content="202 | 8 | <meta·name="dc.created"·content="2025-03-12"> |
| 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·interface:·OtpTransport"> | 9 | <meta·name="description"·content="declaration:·package:·com.ericsson.otp.erlang,·interface:·OtpTransport"> |
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| 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> | 11 | <link·rel="stylesheet"·type="text/css"·href="../../../../stylesheet.css"·title="Style"> |
| 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> | 12 | <link·rel="stylesheet"·type="text/css"·href="../../../../script-dir/jquery-ui.min.css"·title="Style"> |
| 13 | <script·type="text/javascript"·src="../../../../script.js"></script> | 13 | <script·type="text/javascript"·src="../../../../script.js"></script> |
| 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> | 14 | <script·type="text/javascript"·src="../../../../script-dir/jquery-3.7.1.min.js"></script> |
| 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> | 15 | <script·type="text/javascript"·src="../../../../script-dir/jquery-ui.min.js"></script> |
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| 2 | <html·lang="en"> | 2 | <html·lang="en"> |
| 3 | <head> | 3 | <head> |
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| 418 | ······<p·class="built-using"> | 418 | ······<p·class="built-using"> |
| 419 | ········Built·using | 419 | ········Built·using |
| 420 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 420 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 421 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 421 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 422 | ······</p> | 422 | ······</p> |
| 423 | <p>Copyright·©·1996-202 | 423 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 424 | ····</footer> | 424 | ····</footer> |
| 425 | ··</div> | 425 | ··</div> |
| 426 | </main> | 426 | </main> |
| 427 | </div> | 427 | </div> |
| 428 | <script> | 428 | <script> |
| 429 | ··function·mermaidLoaded()·{ | 429 | ··function·mermaidLoaded()·{ |
| 430 | ····mermaid.initialize({ | 430 | ····mermaid.initialize({ |
| Offset 830, 15 lines modified | Offset 830, 15 lines modified | ||
| 830 | ······<p·class="built-using"> | 830 | ······<p·class="built-using"> |
| 831 | ········Built·using | 831 | ········Built·using |
| 832 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 832 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 833 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 833 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 834 | ······</p> | 834 | ······</p> |
| 835 | <p>Copyright·©·1996-202 | 835 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 836 | ····</footer> | 836 | ····</footer> |
| 837 | ··</div> | 837 | ··</div> |
| 838 | </main> | 838 | </main> |
| 839 | </div> | 839 | </div> |
| 840 | <script> | 840 | <script> |
| 841 | ··function·mermaidLoaded()·{ | 841 | ··function·mermaidLoaded()·{ |
| 842 | ····mermaid.initialize({ | 842 | ····mermaid.initialize({ |
| Offset 127, 15 lines modified | Offset 127, 15 lines modified | ||
| 127 | ······<p·class="built-using"> | 127 | ······<p·class="built-using"> |
| 128 | ········Built·using | 128 | ········Built·using |
| 129 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 129 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 130 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 130 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 131 | ······</p> | 131 | ······</p> |
| 132 | <p>Copyright·©·1996-202 | 132 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 133 | ····</footer> | 133 | ····</footer> |
| 134 | ··</div> | 134 | ··</div> |
| 135 | </main> | 135 | </main> |
| 136 | </div> | 136 | </div> |
| 137 | <script> | 137 | <script> |
| 138 | ··function·mermaidLoaded()·{ | 138 | ··function·mermaidLoaded()·{ |
| 139 | ····mermaid.initialize({ | 139 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 490, 15 lines modified | Offset 490, 15 lines modified | ||
| 490 | ······<p·class="built-using"> | 490 | ······<p·class="built-using"> |
| 491 | ········Built·using | 491 | ········Built·using |
| 492 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 492 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 493 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 493 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 494 | ······</p> | 494 | ······</p> |
| 495 | <p>Copyright·©·1996-202 | 495 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 496 | ····</footer> | 496 | ····</footer> |
| 497 | ··</div> | 497 | ··</div> |
| 498 | </main> | 498 | </main> |
| 499 | </div> | 499 | </div> |
| 500 | <script> | 500 | <script> |
| 501 | ··function·mermaidLoaded()·{ | 501 | ··function·mermaidLoaded()·{ |
| 502 | ····mermaid.initialize({ | 502 | ····mermaid.initialize({ |
| Offset 140, 49 lines modified | Offset 140, 49 lines modified | ||
| 140 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 140 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 141 | ··</a> | 141 | ··</a> |
| 142 | ··<span·class="text">File·Syntax</span> | 142 | ··<span·class="text">File·Syntax</span> |
| 143 | </h2> | 143 | </h2> |
| 144 | <p>The·application·resource·file·is·to·be·called·<code·class="inline">Application.app</code>,·where | 144 | <p>The·application·resource·file·is·to·be·called·<code·class="inline">Application.app</code>,·where |
| 145 | <code·class="inline">Application</code>·is·the·application·name.·The·file·is·to·be·located·in·directory | 145 | <code·class="inline">Application</code>·is·the·application·name.·The·file·is·to·be·located·in·directory |
| 146 | <code·class="inline">ebin</code>·for·the·application.</p><p>The·file·must·contain·a·single·Erlang·term,·which·is·called·an·<em>application | 146 | <code·class="inline">ebin</code>·for·the·application.</p><p>The·file·must·contain·a·single·Erlang·term,·which·is·called·an·<em>application |
| 147 | specification</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 147 | specification</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2076403849-1">{</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Application</span><span·class="p">,</span><span·class="w"> |
| 148 | ··</span><span·class="p"·data-group-id=" | 148 | ··</span><span·class="p"·data-group-id="2076403849-2">[</span><span·class="p"·data-group-id="2076403849-3">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="w">··</span><span·class="n">Description</span><span·class="p"·data-group-id="2076403849-3">}</span><span·class="p">,</span><span·class="w"> |
| 149 | ···</span><span·class="p"·data-group-id=" | 149 | ···</span><span·class="p"·data-group-id="2076403849-4">{</span><span·class="ss">id</span><span·class="p">,</span><span·class="w">···········</span><span·class="n">Id</span><span·class="p"·data-group-id="2076403849-4">}</span><span·class="p">,</span><span·class="w"> |
| 150 | ···</span><span·class="p"·data-group-id=" | 150 | ···</span><span·class="p"·data-group-id="2076403849-5">{</span><span·class="ss">vsn</span><span·class="p">,</span><span·class="w">··········</span><span·class="n">Vsn</span><span·class="p"·data-group-id="2076403849-5">}</span><span·class="p">,</span><span·class="w"> |
| 151 | ···</span><span·class="p"·data-group-id=" | 151 | ···</span><span·class="p"·data-group-id="2076403849-6">{</span><span·class="ss">modules</span><span·class="p">,</span><span·class="w">······</span><span·class="n">Modules</span><span·class="p"·data-group-id="2076403849-6">}</span><span·class="p">,</span><span·class="w"> |
| 152 | ···</span><span·class="p"·data-group-id=" | 152 | ···</span><span·class="p"·data-group-id="2076403849-7">{</span><span·class="ss">maxP</span><span·class="p">,</span><span·class="w">·········</span><span·class="n">MaxP</span><span·class="p"·data-group-id="2076403849-7">}</span><span·class="p">,</span><span·class="w"> |
| 153 | ···</span><span·class="p"·data-group-id=" | 153 | ···</span><span·class="p"·data-group-id="2076403849-8">{</span><span·class="ss">maxT</span><span·class="p">,</span><span·class="w">·········</span><span·class="n">MaxT</span><span·class="p"·data-group-id="2076403849-8">}</span><span·class="p">,</span><span·class="w"> |
| 154 | ···</span><span·class="p"·data-group-id=" | 154 | ···</span><span·class="p"·data-group-id="2076403849-9">{</span><span·class="ss">registered</span><span·class="p">,</span><span·class="w">···</span><span·class="n">Names</span><span·class="p"·data-group-id="2076403849-9">}</span><span·class="p">,</span><span·class="w"> |
| 155 | ···</span><span·class="p"·data-group-id=" | 155 | ···</span><span·class="p"·data-group-id="2076403849-10">{</span><span·class="ss">included_applications</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Apps</span><span·class="p"·data-group-id="2076403849-10">}</span><span·class="p">,</span><span·class="w"> |
| 156 | ···</span><span·class="p"·data-group-id=" | 156 | ···</span><span·class="p"·data-group-id="2076403849-11">{</span><span·class="ss">optional_applications</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Apps</span><span·class="p"·data-group-id="2076403849-11">}</span><span·class="p">,</span><span·class="w"> |
| 157 | ···</span><span·class="p"·data-group-id=" | 157 | ···</span><span·class="p"·data-group-id="2076403849-12">{</span><span·class="ss">applications</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Apps</span><span·class="p"·data-group-id="2076403849-12">}</span><span·class="p">,</span><span·class="w"> |
| 158 | ···</span><span·class="p"·data-group-id=" | 158 | ···</span><span·class="p"·data-group-id="2076403849-13">{</span><span·class="ss">env</span><span·class="p">,</span><span·class="w">··········</span><span·class="n">Env</span><span·class="p"·data-group-id="2076403849-13">}</span><span·class="p">,</span><span·class="w"> |
| 159 | ···</span><span·class="p"·data-group-id=" | 159 | ···</span><span·class="p"·data-group-id="2076403849-14">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">··········</span><span·class="n">Start</span><span·class="p"·data-group-id="2076403849-14">}</span><span·class="p">,</span><span·class="w"> |
| 160 | ···</span><span·class="p"·data-group-id=" | 160 | ···</span><span·class="p"·data-group-id="2076403849-15">{</span><span·class="ss">start_phases</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Phases</span><span·class="p"·data-group-id="2076403849-15">}</span><span·class="p">,</span><span·class="w"> |
| 161 | ···</span><span·class="p"·data-group-id=" | 161 | ···</span><span·class="p"·data-group-id="2076403849-16">{</span><span·class="ss">runtime_dependencies</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RTDeps</span><span·class="p"·data-group-id="2076403849-16">}</span><span·class="p"·data-group-id="2076403849-2">]</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·f9459d8cd1fb1ec9b82a5366717e548c405df0ab9ec86a6a5a8874f13f0a824e·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 162 | ·············</span><span·class="n">Value</span><span·class="w">················</span><span·class="n">Default</span><span·class="w"> | 162 | ·············</span><span·class="n">Value</span><span·class="w">················</span><span·class="n">Default</span><span·class="w"> |
| 163 | ·············</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w">················</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w"> | 163 | ·············</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w">················</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w"> |
| 164 | </span><span·class="n">Application</span><span·class="w">··</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 164 | </span><span·class="n">Application</span><span·class="w">··</span><span·class="nf">atom</span><span·class="p"·data-group-id="2076403849-17">(</span><span·class="p"·data-group-id="2076403849-17">)</span><span·class="w">···············</span><span·class="o">-</span><span·class="w"> |
| 165 | </span><span·class="n">Description</span><span·class="w">··</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 165 | </span><span·class="n">Description</span><span·class="w">··</span><span·class="nf">string</span><span·class="p"·data-group-id="2076403849-18">(</span><span·class="p"·data-group-id="2076403849-18">)</span><span·class="w">·············</span><span·class="s">""</span><span·class="w"> |
| 166 | </span><span·class="n">Id</span><span·class="w">···········</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 166 | </span><span·class="n">Id</span><span·class="w">···········</span><span·class="nf">string</span><span·class="p"·data-group-id="2076403849-19">(</span><span·class="p"·data-group-id="2076403849-19">)</span><span·class="w">·············</span><span·class="s">""</span><span·class="w"> |
| 167 | </span><span·class="n">Vsn</span><span·class="w">··········</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 167 | </span><span·class="n">Vsn</span><span·class="w">··········</span><span·class="nf">string</span><span·class="p"·data-group-id="2076403849-20">(</span><span·class="p"·data-group-id="2076403849-20">)</span><span·class="w">·············</span><span·class="s">""</span><span·class="w"> |
| 168 | </span><span·class="n">Modules</span><span·class="w">······</span><span·class="p"·data-group-id=" | 168 | </span><span·class="n">Modules</span><span·class="w">······</span><span·class="p"·data-group-id="2076403849-21">[</span><span·class="n">Module</span><span·class="p"·data-group-id="2076403849-21">]</span><span·class="w">·············</span><span·class="p"·data-group-id="2076403849-22">[</span><span·class="p"·data-group-id="2076403849-22">]</span><span·class="w"> |
| 169 | </span><span·class="n">MaxP</span><span·class="w">·········</span><span·class="nf">int</span><span·class="p"·data-group-id=" | 169 | </span><span·class="n">MaxP</span><span·class="w">·········</span><span·class="nf">int</span><span·class="p"·data-group-id="2076403849-23">(</span><span·class="p"·data-group-id="2076403849-23">)</span><span·class="w">················</span><span·class="ss">infinity</span><span·class="w"> |
| 170 | </span><span·class="n">MaxT</span><span·class="w">·········</span><span·class="nf">int</span><span·class="p"·data-group-id=" | 170 | </span><span·class="n">MaxT</span><span·class="w">·········</span><span·class="nf">int</span><span·class="p"·data-group-id="2076403849-24">(</span><span·class="p"·data-group-id="2076403849-24">)</span><span·class="w">················</span><span·class="ss">infinity</span><span·class="w"> |
| 171 | </span><span·class="n">Names</span><span·class="w">········</span><span·class="p"·data-group-id=" | 171 | </span><span·class="n">Names</span><span·class="w">········</span><span·class="p"·data-group-id="2076403849-25">[</span><span·class="n">Name</span><span·class="p"·data-group-id="2076403849-25">]</span><span·class="w">···············</span><span·class="p"·data-group-id="2076403849-26">[</span><span·class="p"·data-group-id="2076403849-26">]</span><span·class="w"> |
| 172 | </span><span·class="n">Apps</span><span·class="w">·········</span><span·class="p"·data-group-id=" | 172 | </span><span·class="n">Apps</span><span·class="w">·········</span><span·class="p"·data-group-id="2076403849-27">[</span><span·class="n">App</span><span·class="p"·data-group-id="2076403849-27">]</span><span·class="w">················</span><span·class="p"·data-group-id="2076403849-28">[</span><span·class="p"·data-group-id="2076403849-28">]</span><span·class="w"> |
| 173 | </span><span·class="n">Env</span><span·class="w">··········</span><span·class="p"·data-group-id=" | 173 | </span><span·class="n">Env</span><span·class="w">··········</span><span·class="p"·data-group-id="2076403849-29">[</span><span·class="p"·data-group-id="2076403849-30">{</span><span·class="n">Par</span><span·class="p">,</span><span·class="n">Val</span><span·class="p"·data-group-id="2076403849-30">}</span><span·class="p"·data-group-id="2076403849-29">]</[·...·truncated·by·diffoscope;·len:·133,·SHA:·53191d71669921a79e79be267bc9a0743ad679634994493ef6e4d0f0cba5301a·...·]-31">]</span><span·class="w"> |
| 174 | </span><span·class="n">Start</span><span·class="w">········</span><span·class="p"·data-group-id=" | 174 | </span><span·class="n">Start</span><span·class="w">········</span><span·class="p"·data-group-id="2076403849-32">{</span><span·class="n">Module</span><span·class="p">,</span><span·class="n">StartArgs</span><span·class="p"·data-group-id="2076403849-32">}</span><span·class="w">···</span><span·class="p"·data-group-id="2076403849-33">[</span><span·class="p[·...·truncated·by·diffoscope;·len:·27,·SHA:·62f20d2cbe5b641c30a8d69fad77ef6642dd5692c5874c338e38aa0483da523c·...·]-33">]</span><span·class="w"> |
| 175 | </span><span·class="n">Phases</span><span·class="w">·······</span><span·class="p"·data-group-id=" | 175 | </span><span·class="n">Phases</span><span·class="w">·······</span><span·class="p"·data-group-id="2076403849-34">[</span><span·class="p"·data-group-id="2076403849-35">{</span><span·class="n">Phase</span><span·class="p">,</span><span·class="n">PhaseArgs</span><span·class="p"·data-group-id="2076403849-35">}</span><span·class="p"·data-group-id="2076403849-34">]</span><span·class="w">··</span><span·class="ss">undefined</span><span·class="w"> |
| 176 | </span><span·class="n">RTDeps</span><span·class="w">·······</span><span·class="p"·data-group-id=" | 176 | </span><span·class="n">RTDeps</span><span·class="w">·······</span><span·class="p"·data-group-id="2076403849-36">[</span><span·class="n">ApplicationVersion</span><span·class="p"·data-group-id="2076403849-36">]</span><span·class="w">·</span><span·class="p"·data-group-id="2076403849-37">[</span><span·class="p"·data-group-id="2076403849-37">]</span><span·class="w"> |
| 177 | </span><span·class="n">Module</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">App</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Par</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Phase</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 177 | </span><span·class="n">Module</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">App</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Par</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Phase</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="2076403849-38">(</span><span·class="p"·data-group-id="2076403849-38">)</span><span·class="w"> |
| 178 | </span><span·class="n">Val</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">StartArgs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">PhaseArgs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 178 | </span><span·class="n">Val</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">StartArgs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">PhaseArgs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2076403849-39">(</span><span·class="p"·data-group-id="2076403849-39">)</span><span·class="w"> |
| 179 | </span><span·class="n">ApplicationVersion</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 179 | </span><span·class="n">ApplicationVersion</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="2076403849-40">(</span><span·class="p"·data-group-id="2076403849-40">)</span></code></pre><ul><li><strong><code·class="inline">Application</code></strong>·-·Application·name.</li></ul><p>For·the·application·controller,·all·keys·are·optional.·The·respective·default |
| 180 | values·are·used·for·any·omitted·keys.</p><p>The·functions·in·<code·class="inline">systools</code>·require·more·information.·If·they·are·used,·the | 180 | values·are·used·for·any·omitted·keys.</p><p>The·functions·in·<code·class="inline">systools</code>·require·more·information.·If·they·are·used,·the |
| 181 | following·keys·are·mandatory:</p><ul><li><code·class="inline">description</code></li><li><code·class="inline">vsn</code></li><li><code·class="inline">modules</code></li><li><code·class="inline">registered</code></li><li><code·class="inline">applications</code></li></ul><p>The·other·keys·are·ignored·by·<code·class="inline">systools</code>.</p><ul><li><p><strong><code·class="inline">description</code></strong>·-·A·one-line·description·of·the·application.</p></li><li><p><strong><code·class="inline">id</code></strong>·-·Product·identification,·or·similar.</p></li><li><p><strong><code·class="inline">vsn</code></strong>·-·Version·of·the·application.</p></li><li><p><strong><code·class="inline">modules</code></strong>·-·All·modules·introduced·by·this·application.·<code·class="inline">systools</code>·uses | 181 | following·keys·are·mandatory:</p><ul><li><code·class="inline">description</code></li><li><code·class="inline">vsn</code></li><li><code·class="inline">modules</code></li><li><code·class="inline">registered</code></li><li><code·class="inline">applications</code></li></ul><p>The·other·keys·are·ignored·by·<code·class="inline">systools</code>.</p><ul><li><p><strong><code·class="inline">description</code></strong>·-·A·one-line·description·of·the·application.</p></li><li><p><strong><code·class="inline">id</code></strong>·-·Product·identification,·or·similar.</p></li><li><p><strong><code·class="inline">vsn</code></strong>·-·Version·of·the·application.</p></li><li><p><strong><code·class="inline">modules</code></strong>·-·All·modules·introduced·by·this·application.·<code·class="inline">systools</code>·uses |
| 182 | this·list·when·generating·start·scripts·and·tar·files.·A·module·can·only·be | 182 | this·list·when·generating·start·scripts·and·tar·files.·A·module·can·only·be |
| 183 | defined·in·one·application.</p></li><li><p><strong><code·class="inline">maxP</code></strong>·-·<em>Deprecated·-·is·ignored</em></p><p>Maximum·number·of·processes·allowed·in·the·application.</p></li><li><p><strong><code·class="inline">maxT</code></strong>·-·Maximum·time,·in·milliseconds,·that·the·application·is·allowed·to | 183 | defined·in·one·application.</p></li><li><p><strong><code·class="inline">maxP</code></strong>·-·<em>Deprecated·-·is·ignored</em></p><p>Maximum·number·of·processes·allowed·in·the·application.</p></li><li><p><strong><code·class="inline">maxT</code></strong>·-·Maximum·time,·in·milliseconds,·that·the·application·is·allowed·to |
| 184 | run.·After·the·specified·time,·the·application·terminates·automatically.</p></li><li><p><strong><code·class="inline">registered</code></strong>·-·All·names·of·registered·processes·started·in·this | 184 | run.·After·the·specified·time,·the·application·terminates·automatically.</p></li><li><p><strong><code·class="inline">registered</code></strong>·-·All·names·of·registered·processes·started·in·this |
| 185 | application.·<code·class="inline">systools</code>·uses·this·list·to·detect·name·clashes·between | 185 | application.·<code·class="inline">systools</code>·uses·this·list·to·detect·name·clashes·between |
| 186 | different·applications.</p></li><li><p><strong><code·class="inline">included_applications</code></strong>·-·All·applications·included·by·this·application. | 186 | different·applications.</p></li><li><p><strong><code·class="inline">included_applications</code></strong>·-·All·applications·included·by·this·application. |
| Offset 207, 15 lines modified | Offset 207, 15 lines modified | ||
| 207 | be·omitted·for·applications·without·processes,·typically·code·libraries,·for | 207 | be·omitted·for·applications·without·processes,·typically·code·libraries,·for |
| 208 | example,·STDLIB.</p></li><li><p><strong><code·class="inline">start_phases</code></strong>·-·A·list·of·start·phases·and·corresponding·start·arguments | 208 | example,·STDLIB.</p></li><li><p><strong><code·class="inline">start_phases</code></strong>·-·A·list·of·start·phases·and·corresponding·start·arguments |
| 209 | for·the·application.·If·this·key·is·present,·the·application·master,·in | 209 | for·the·application.·If·this·key·is·present,·the·application·master,·in |
| 210 | addition·to·the·usual·call·to·<code·class="inline">Module:start/2</code>,·also·calls | 210 | addition·to·the·usual·call·to·<code·class="inline">Module:start/2</code>,·also·calls |
| 211 | <code·class="inline">Module:start_phase(Phase,Type,PhaseArgs)</code>·for·each·start·phase·defined·by·key | 211 | <code·class="inline">Module:start_phase(Phase,Type,PhaseArgs)</code>·for·each·start·phase·defined·by·key |
| 212 | <code·class="inline">start_phases</code>.·Only·after·this·extended·start·procedure, | 212 | <code·class="inline">start_phases</code>.·Only·after·this·extended·start·procedure, |
| 213 | <code·class="inline">application:start(Application)</code>·returns.</p><p>Start·phases·can·be·used·to·synchronize·startup·of·an·application·and·its | 213 | <code·class="inline">application:start(Application)</code>·returns.</p><p>Start·phases·can·be·used·to·synchronize·startup·of·an·application·and·its |
| 214 | included·applications.·In·this·case,·key·<code·class="inline">mod</code>·must·be·specified·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 214 | included·applications.·In·this·case,·key·<code·class="inline">mod</code>·must·be·specified·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3560966780-1">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3560966780-2">{</span><span·class="ss">application_starter</span><span·class="p">,</span><span·class="p"·data-group-id="35609667[·...·truncated·by·diffoscope;·len:·246,·SHA:·ab33837ea249ba58ae5be3803c7490b2d9372550a9cc5b4ccda2935902b6598a·...·]-1">}</span></code></pre><p>The·application·master·then·calls·<code·class="inline">Module:start/2</code>·for·the·primary |
| 215 | application,·followed·by·calls·to·<code·class="inline">Module:start_phase/3</code>·for·each·start·phase | 215 | application,·followed·by·calls·to·<code·class="inline">Module:start_phase/3</code>·for·each·start·phase |
| 216 | (as·defined·for·the·primary·application),·both·for·the·primary·application·and | 216 | (as·defined·for·the·primary·application),·both·for·the·primary·application·and |
| 217 | for·each·of·its·included·applications,·for·which·the·start·phase·is·defined.</p><p>This·implies·that·for·an·included·application,·the·set·of·start·phases·must·be | 217 | for·each·of·its·included·applications,·for·which·the·start·phase·is·defined.</p><p>This·implies·that·for·an·included·application,·the·set·of·start·phases·must·be |
| 218 | a·subset·of·the·set·of·phases·defined·for·the·primary·application.·For·more | 218 | a·subset·of·the·set·of·phases·defined·for·the·primary·application.·For·more |
| 219 | information,·see·<a·href="../../../../doc/system/applications.html">OTP·Design·Principles</a>.</p></li><li><p><strong><code·class="inline"·id="runtime_dependencies">runtime_dependencies</code></strong>·-·A·list·of·application | 219 | information,·see·<a·href="../../../../doc/system/applications.html">OTP·Design·Principles</a>.</p></li><li><p><strong><code·class="inline"·id="runtime_dependencies">runtime_dependencies</code></strong>·-·A·list·of·application |
| 220 | versions·that·the·application·depends·on.·An·example·of·such·an·application | 220 | versions·that·the·application·depends·on.·An·example·of·such·an·application |
| 221 | version·is·<code·class="inline">"kernel-3.0"</code>.·Application·versions·specified·as·runtime | 221 | version·is·<code·class="inline">"kernel-3.0"</code>.·Application·versions·specified·as·runtime |
| Offset 280, 15 lines modified | Offset 280, 15 lines modified | ||
| 280 | ······<p·class="built-using"> | 280 | ······<p·class="built-using"> |
| 281 | ········Built·using | 281 | ········Built·using |
| 282 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 282 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 283 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 283 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 284 | ······</p> | 284 | ······</p> |
| 285 | <p>Copyright·©·1996-202 | 285 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 286 | ····</footer> | 286 | ····</footer> |
| 287 | ··</div> | 287 | ··</div> |
| 288 | </main> | 288 | </main> |
| 289 | </div> | 289 | </div> |
| 290 | <script> | 290 | <script> |
| 291 | ··function·mermaidLoaded()·{ | 291 | ··function·mermaidLoaded()·{ |
| 292 | ····mermaid.initialize({ | 292 | ····mermaid.initialize({ |
| Offset 1591, 15 lines modified | Offset 1591, 15 lines modified | ||
| 1591 | distributed.·The·argument·overrides·the·value·for·the·application·in·the·Kernel | 1591 | distributed.·The·argument·overrides·the·value·for·the·application·in·the·Kernel |
| 1592 | configuration·parameter·<code·class="inline">distributed</code>.·<code·class="inline">Application</code>·must·be·the·application | 1592 | configuration·parameter·<code·class="inline">distributed</code>.·<code·class="inline">Application</code>·must·be·the·application |
| 1593 | name·(same·as·in·the·first·argument).·If·a·node·crashes·and·<code·class="inline">Time</code>·is·specified, | 1593 | name·(same·as·in·the·first·argument).·If·a·node·crashes·and·<code·class="inline">Time</code>·is·specified, |
| 1594 | the·application·controller·waits·for·<code·class="inline">Time</code>·milliseconds·before·attempting·to | 1594 | the·application·controller·waits·for·<code·class="inline">Time</code>·milliseconds·before·attempting·to |
| 1595 | restart·the·application·on·another·node.·If·<code·class="inline">Time</code>·is·not·specified,·it·defaults | 1595 | restart·the·application·on·another·node.·If·<code·class="inline">Time</code>·is·not·specified,·it·defaults |
| 1596 | to·<code·class="inline">0</code>·and·the·application·is·restarted·immediately.</p><p><code·class="inline">Nodes</code>·is·a·list·of·node·names·where·the·application·can·run,·in·priority·from | 1596 | to·<code·class="inline">0</code>·and·the·application·is·restarted·immediately.</p><p><code·class="inline">Nodes</code>·is·a·list·of·node·names·where·the·application·can·run,·in·priority·from |
| 1597 | left·to·right.·Node·names·can·be·grouped·using·tuples·to·indicate·that·they·have | 1597 | left·to·right.·Node·names·can·be·grouped·using·tuples·to·indicate·that·they·have |
| 1598 | the·same·priority.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Nodes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 1598 | the·same·priority.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Nodes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8823748281-1">[</span><span·class="ss">cp1@cave</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8823748281-2">{</span><span·class="ss">cp2@cave</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">cp3@[·...·truncated·by·diffoscope;·len:·105,·SHA:·8367541d7aa4142721a570202e9b81d6f94e6389fa72ef82f1d9c634041e2112·...·]-1">]</span></code></pre><p>This·means·that·the·application·is·preferably·to·be·started·at·<code·class="inline">cp1@cave</code>.·If |
| 1599 | <code·class="inline">cp1@cave</code>·is·down,·the·application·is·to·be·started·at·<code·class="inline">cp2@cave</code>·or | 1599 | <code·class="inline">cp1@cave</code>·is·down,·the·application·is·to·be·started·at·<code·class="inline">cp2@cave</code>·or |
| 1600 | <code·class="inline">cp3@cave</code>.</p><p>If·<code·class="inline">Distributed·==·default</code>,·the·value·for·the·application·in·the·Kernel | 1600 | <code·class="inline">cp3@cave</code>.</p><p>If·<code·class="inline">Distributed·==·default</code>,·the·value·for·the·application·in·the·Kernel |
| 1601 | configuration·parameter·<code·class="inline">distributed</code>·is·used.</p> | 1601 | configuration·parameter·<code·class="inline">distributed</code>·is·used.</p> |
| 1602 | ··</section> | 1602 | ··</section> |
| 1603 | </section> | 1603 | </section> |
| 1604 | <section·class="detail"·id="loaded_applications/0"> | 1604 | <section·class="detail"·id="loaded_applications/0"> |
| Offset 2177, 15 lines modified | Offset 2177, 15 lines modified | ||
| 2177 | ······<p·class="built-using"> | 2177 | ······<p·class="built-using"> |
| 2178 | ········Built·using | 2178 | ········Built·using |
| 2179 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2179 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2180 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2180 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2181 | ······</p> | 2181 | ······</p> |
| 2182 | <p>Copyright·©·1996-202 | 2182 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2183 | ····</footer> | 2183 | ····</footer> |
| 2184 | ··</div> | 2184 | ··</div> |
| 2185 | </main> | 2185 | </main> |
| 2186 | </div> | 2186 | </div> |
| 2187 | <script> | 2187 | <script> |
| 2188 | ··function·mermaidLoaded()·{ | 2188 | ··function·mermaidLoaded()·{ |
| 2189 | ····mermaid.initialize({ | 2189 | ····mermaid.initialize({ |
| Offset 457, 15 lines modified | Offset 457, 15 lines modified | ||
| 457 | ······<p·class="built-using"> | 457 | ······<p·class="built-using"> |
| 458 | ········Built·using | 458 | ········Built·using |
| 459 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 459 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 460 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 460 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 461 | ······</p> | 461 | ······</p> |
| 462 | <p>Copyright·©·1996-202 | 462 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 463 | ····</footer> | 463 | ····</footer> |
| 464 | ··</div> | 464 | ··</div> |
| 465 | </main> | 465 | </main> |
| 466 | </div> | 466 | </div> |
| 467 | <script> | 467 | <script> |
| 468 | ··function·mermaidLoaded()·{ | 468 | ··function·mermaidLoaded()·{ |
| 469 | ····mermaid.initialize({ | 469 | ····mermaid.initialize({ |
| Offset 189, 19 lines modified | Offset 189, 19 lines modified | ||
| 189 | <a·href="#lib_dir/2"><code·class="inline">code:lib_dir/2</code></a>·and·<a·href="../../../../erts-15.2.3/doc/html/erl_prim_loader.html"><code·class="inline">erl_prim_loader</code></a>.</p></section><p>The·Erlang·archives·are·<code·class="inline">ZIP</code>·files·with·extension·<code·class="inline">.ez</code>.·Erlang·archives·can | 189 | <a·href="#lib_dir/2"><code·class="inline">code:lib_dir/2</code></a>·and·<a·href="../../../../erts-15.2.3/doc/html/erl_prim_loader.html"><code·class="inline">erl_prim_loader</code></a>.</p></section><p>The·Erlang·archives·are·<code·class="inline">ZIP</code>·files·with·extension·<code·class="inline">.ez</code>.·Erlang·archives·can |
| 190 | also·be·<a·href="../../../../lib/stdlib-6.2.1/doc/html/escript.html">enclosed·in·<code·class="inline">escript</code></a>·files·whose·file·extension·is·arbitrary.</p><p>Erlang·archive·files·can·contain·entire·Erlang·applications·or·parts·of | 190 | also·be·<a·href="../../../../lib/stdlib-6.2.1/doc/html/escript.html">enclosed·in·<code·class="inline">escript</code></a>·files·whose·file·extension·is·arbitrary.</p><p>Erlang·archive·files·can·contain·entire·Erlang·applications·or·parts·of |
| 191 | applications.·The·structure·in·an·archive·file·is·the·same·as·the·directory | 191 | applications.·The·structure·in·an·archive·file·is·the·same·as·the·directory |
| 192 | structure·for·an·application.·If·you,·for·example,·create·an·archive·of | 192 | structure·for·an·application.·If·you,·for·example,·create·an·archive·of |
| 193 | <code·class="inline">mnesia-4.4.7</code>,·the·archive·file·must·be·named·<code·class="inline">mnesia-4.4.7.ez</code>·and·it·must | 193 | <code·class="inline">mnesia-4.4.7</code>,·the·archive·file·must·be·named·<code·class="inline">mnesia-4.4.7.ez</code>·and·it·must |
| 194 | contain·a·top·directory·named·<code·class="inline">mnesia-4.4.7</code>.·If·the·version·part·of·the·name·is | 194 | contain·a·top·directory·named·<code·class="inline">mnesia-4.4.7</code>.·If·the·version·part·of·the·name·is |
| 195 | omitted,·it·must·also·be·omitted·in·the·archive.·That·is,·a·<code·class="inline">mnesia.ez</code>·archive | 195 | omitted,·it·must·also·be·omitted·in·the·archive.·That·is,·a·<code·class="inline">mnesia.ez</code>·archive |
| 196 | must·contain·a·<code·class="inline">mnesia</code>·top·directory.</p><p>An·archive·file·for·an·application·can,·for·example,·be·created·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">zip</span><span·class="p">:</span><span·class="nf">create</span><span·class="p"·data-group-id=" | 196 | must·contain·a·<code·class="inline">mnesia</code>·top·directory.</p><p>An·archive·file·for·an·application·can,·for·example,·be·created·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">zip</span><span·class="p">:</span><span·class="nf">create</span><span·class="p"·data-group-id="6127254506-1">(</span><span·class="s">"mnesia-4.4.7.ez"</span><span·class="p">,</span><span·class="w"> |
| 197 | » </span><span·class="p"·data-group-id=" | 197 | » </span><span·class="p"·data-group-id="6127254506-2">[</span><span·class="s">"mnesia-4.4.7"</span><span·class="p"·data-group-id="6127254506-2">]</span><span·class="p">,</span><span·class="w"> |
| 198 | » </span><span·class="p"·data-group-id=" | 198 | » </span><span·class="p"·data-group-id="6127254506-3">[</span><span·class="p"·data-group-id="6127254506-4">{</span><span·class="ss">cwd</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">lib_dir</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·124,·SHA:·95f6c96e231f2032b1f3544f584c4736869badf3981aa22aff104f7f541e6b70·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 199 | » ·</span><span·class="p"·data-group-id=" | 199 | » ·</span><span·class="p"·data-group-id="6127254506-6">{</span><span·class="ss">compress</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">all</span><span·class="p"·data-group-id="6127254506-6">}</span><span·class="p">,</span><span·class="w"> |
| 200 | » ·</span><span·class="p"·data-group-id=" | 200 | » ·</span><span·class="p"·data-group-id="6127254506-7">{</span><span·class="ss">uncompress</span><span·class="p">,</span><span·class="p"·data-group-id="6127254506-8">[</span><span·class="s">".beam"</span><span·class="p">,</span><span·class="s">".app"</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·180,·SHA:·0a2e5710373f7c7af9cd6cfeceb8787dc560a155e92508407087280de11e6b13·...·]-1">)</span><span·class="p">.</span></code></pre><p>Any·file·in·the·archive·can·be·compressed,·but·to·speed·up·the·access·of |
| 201 | frequently·read·files,·it·can·be·a·good·idea·to·store·<code·class="inline">beam</code>·and·<code·class="inline">app</code>·files | 201 | frequently·read·files,·it·can·be·a·good·idea·to·store·<code·class="inline">beam</code>·and·<code·class="inline">app</code>·files |
| 202 | uncompressed·in·the·archive.</p><p>Normally·the·top·directory·of·an·application·is·located·in·library·directory | 202 | uncompressed·in·the·archive.</p><p>Normally·the·top·directory·of·an·application·is·located·in·library·directory |
| 203 | <code·class="inline">$OTPROOT/lib</code>·or·in·a·directory·referred·to·by·environment·variable·<code·class="inline">ERL_LIBS</code>. | 203 | <code·class="inline">$OTPROOT/lib</code>·or·in·a·directory·referred·to·by·environment·variable·<code·class="inline">ERL_LIBS</code>. |
| 204 | At·startup,·when·the·initial·code·path·is·computed,·the·code·server·also·looks | 204 | At·startup,·when·the·initial·code·path·is·computed,·the·code·server·also·looks |
| 205 | for·archive·files·in·these·directories·and·possibly·adds·<code·class="inline">ebin</code>·directories·in | 205 | for·archive·files·in·these·directories·and·possibly·adds·<code·class="inline">ebin</code>·directories·in |
| 206 | archives·to·the·code·path.·The·code·path·then·contains·paths·to·directories·that | 206 | archives·to·the·code·path.·The·code·path·then·contains·paths·to·directories·that |
| 207 | look·like·<code·class="inline">$OTPROOT/lib/mnesia.ez/mnesia/ebin</code>·or | 207 | look·like·<code·class="inline">$OTPROOT/lib/mnesia.ez/mnesia/ebin</code>·or |
| Offset 1819, 18 lines modified | Offset 1819, 18 lines modified | ||
| 1819 | none·of·the·modules·are·loaded·if·there·is·a·problem·with·any·of·the | 1819 | none·of·the·modules·are·loaded·if·there·is·a·problem·with·any·of·the |
| 1820 | modules.</p><p>Loading·can·fail·for·one·the·following·reasons:</p><ul><li><p><strong><code·class="inline">badfile</code></strong>·-·The·object·code·has·an·incorrect·format·or·the·module·name·in | 1820 | modules.</p><p>Loading·can·fail·for·one·the·following·reasons:</p><ul><li><p><strong><code·class="inline">badfile</code></strong>·-·The·object·code·has·an·incorrect·format·or·the·module·name·in |
| 1821 | the·object·code·is·not·the·expected·module·name.</p></li><li><p><strong><code·class="inline">nofile</code></strong>·-·No·file·with·object·code·exists.</p></li><li><p><strong><code·class="inline">on_load_not_allowed</code></strong>·-·A·module·contains·an | 1821 | the·object·code·is·not·the·expected·module·name.</p></li><li><p><strong><code·class="inline">nofile</code></strong>·-·No·file·with·object·code·exists.</p></li><li><p><strong><code·class="inline">on_load_not_allowed</code></strong>·-·A·module·contains·an |
| 1822 | <a·href="../../../../doc/system/code_loading.html#on_load">-on_load·function</a>.</p></li><li><p><strong><code·class="inline">duplicated</code></strong>·-·A·module·is·included·more·than·once·in·<code·class="inline">Modules</code>.</p></li><li><p><strong><code·class="inline">not_purged</code></strong>·-·The·object·code·cannot·be·loaded·because·an·old·version·of | 1822 | <a·href="../../../../doc/system/code_loading.html#on_load">-on_load·function</a>.</p></li><li><p><strong><code·class="inline">duplicated</code></strong>·-·A·module·is·included·more·than·once·in·<code·class="inline">Modules</code>.</p></li><li><p><strong><code·class="inline">not_purged</code></strong>·-·The·object·code·cannot·be·loaded·because·an·old·version·of |
| 1823 | the·code·already·exists.</p></li><li><p><strong><code·class="inline">sticky_directory</code></strong>·-·The·object·code·resides·in·a·sticky·directory.</p></li><li><p><strong><code·class="inline">pending_on_load</code></strong>·-·A·previously·loaded·module·contains·an·<code·class="inline">-on_load</code> | 1823 | the·code·already·exists.</p></li><li><p><strong><code·class="inline">sticky_directory</code></strong>·-·The·object·code·resides·in·a·sticky·directory.</p></li><li><p><strong><code·class="inline">pending_on_load</code></strong>·-·A·previously·loaded·module·contains·an·<code·class="inline">-on_load</code> |
| 1824 | function·that·never·finished.</p></li></ul><p>If·it·is·important·to·minimize·the·time·that·an·application·is·inactive·while | 1824 | function·that·never·finished.</p></li></ul><p>If·it·is·important·to·minimize·the·time·that·an·application·is·inactive·while |
| 1825 | changing·code,·use·<a·href="#prepare_loading/1"><code·class="inline">prepare_loading/1</code></a>·and·<a·href="#finish_loading/1"><code·class="inline">finish_loading/1</code></a>·instead·of | 1825 | changing·code,·use·<a·href="#prepare_loading/1"><code·class="inline">prepare_loading/1</code></a>·and·<a·href="#finish_loading/1"><code·class="inline">finish_loading/1</code></a>·instead·of |
| 1826 | <a·href="#atomic_load/1"><code·class="inline">atomic_load/1</code></a>.·Here·is·an·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 1826 | <a·href="#atomic_load/1"><code·class="inline">atomic_load/1</code></a>.·Here·is·an·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3210406727-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Prepared</span><span·class="p"·data-group-id="3210406727-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span>[·...·truncated·by·diffoscope;·len:·187,·SHA:·3d10122f58eef1916b3ef40d69813c79d16e1a92a6c9d3a75b5eec8a827e7437·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 1827 | </span><span·class="c1">%%·Put·the·application·into·an·inactive·state·or·do·any</span><span·class="w"> | 1827 | </span><span·class="c1">%%·Put·the·application·into·an·inactive·state·or·do·any</span><span·class="w"> |
| 1828 | </span><span·class="c1">%%·other·preparation·needed·before·changing·the·code.</span><span·class="w"> | 1828 | </span><span·class="c1">%%·other·preparation·needed·before·changing·the·code.</span><span·class="w"> |
| 1829 | </span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">finish_loading</span><span·class="p"·data-group-id=" | 1829 | </span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">finish_loading</span><span·class="p"·data-group-id="3210406727-3">(</span><span·class="n">Prepared</span><span·class="p"·data-group-id="3210406727-3">)</span><span·class="p">,</span><span·class="w"> |
| 1830 | </span><span·class="c1">%%·Resume·the·application.</span></code></pre> | 1830 | </span><span·class="c1">%%·Resume·the·application.</span></code></pre> |
| 1831 | ··</section> | 1831 | ··</section> |
| 1832 | </section> | 1832 | </section> |
| 1833 | <section·class="detail"·id="clash/0"> | 1833 | <section·class="detail"·id="clash/0"> |
| 1834 | ··<div·class="detail-header"> | 1834 | ··<div·class="detail-header"> |
| 1835 | ····<a·href="#clash/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1835 | ····<a·href="#clash/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 2343, 16 lines modified | Offset 2343, 16 lines modified | ||
| 2343 | ······</div> | 2343 | ······</div> |
| 2344 | <p>Returns·the·object·code·for·module·<code·class="inline">Module</code>·if·found·in·the·code·path.</p><p>Returns·<code·class="inline">{Module,·Binary,·Filename}</code>·if·successful,·otherwise | 2344 | <p>Returns·the·object·code·for·module·<code·class="inline">Module</code>·if·found·in·the·code·path.</p><p>Returns·<code·class="inline">{Module,·Binary,·Filename}</code>·if·successful,·otherwise |
| 2345 | <code·class="inline">error</code>.·<code·class="inline">Binary</code>·is·a·binary·data·object,·which·contains·the·object | 2345 | <code·class="inline">error</code>.·<code·class="inline">Binary</code>·is·a·binary·data·object,·which·contains·the·object |
| 2346 | code·for·the·module.·This·is·useful·if·code·is·to·be·loaded·on·a | 2346 | code·for·the·module.·This·is·useful·if·code·is·to·be·loaded·on·a |
| 2347 | remote·node·in·a·distributed·system.·For·example,·loading·module | 2347 | remote·node·in·a·distributed·system.·For·example,·loading·module |
| 2348 | <code·class="inline">Module</code>·on·a·node·<code·class="inline">Node</code>·is·done·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 2348 | <code·class="inline">Module</code>·on·a·node·<code·class="inline">Node</code>·is·done·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 2349 | </span><span·class="p"·data-group-id=" | 2349 | </span><span·class="p"·data-group-id="1114498413-1">{</span><span·class="p">_</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Binary</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Filename</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·313,·SHA:·09b39dd174a81dc5797f2611684fa22382cfd57847a70dffbae1986e76bae893·...·]3-2">)</span><span·class="p">,</span><span·class="w"> |
| 2350 | </span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 2350 | </span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="1114498413-3">(</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">code</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">load_binary</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·331,·SHA:·bf55dae6089627f83e33461fac80a63a00e93dd3aaca2f0783f41ff3eae26e93·...·]3-3">)</span><span·class="p">,</span><span·class="w"> |
| 2351 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre> | 2351 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre> |
| 2352 | ··</section> | 2352 | ··</section> |
| 2353 | </section> | 2353 | </section> |
| 2354 | <section·class="detail"·id="get_path/0"> | 2354 | <section·class="detail"·id="get_path/0"> |
| 2355 | ··<div·class="detail-header"> | 2355 | ··<div·class="detail-header"> |
| 2356 | ····<a·href="#get_path/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 2356 | ····<a·href="#get_path/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 2455, 15 lines modified | Offset 2455, 15 lines modified | ||
| 2455 | ······<div·class="specs"> | 2455 | ······<div·class="specs"> |
| 2456 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·lib_dir()·->·<a·href="file.html#t:filename/0">file:filename</a>().</pre> | 2456 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·lib_dir()·->·<a·href="file.html#t:filename/0">file:filename</a>().</pre> |
| 2457 | ······</div> | 2457 | ······</div> |
| 2458 | <p>Returns·the·library·directory,·<code·class="inline">$OTPROOT/lib</code>,·where·<code·class="inline">$OTPROOT</code>·is·the·root | 2458 | <p>Returns·the·library·directory,·<code·class="inline">$OTPROOT/lib</code>,·where·<code·class="inline">$OTPROOT</code>·is·the·root |
| 2459 | directory·of·Erlang/OTP.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">lib_dir</span><span·class="p"·data-group-id="9 | 2459 | directory·of·Erlang/OTP.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">lib_dir</span><span·class="p"·data-group-id="9790616150-1">(</span><span·class="p"·data-group-id="9790616150-1">)</span><span·class="p">.</span><span·class="w"> |
| 2460 | </span><span·class="s">"/usr/local/otp/lib"</span></code></pre> | 2460 | </span><span·class="s">"/usr/local/otp/lib"</span></code></pre> |
| 2461 | ··</section> | 2461 | ··</section> |
| 2462 | </section> | 2462 | </section> |
| 2463 | <section·class="detail"·id="lib_dir/1"> | 2463 | <section·class="detail"·id="lib_dir/1"> |
| 2464 | ··<div·class="detail-header"> | 2464 | ··<div·class="detail-header"> |
| 2465 | ····<a·href="#lib_dir/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 2465 | ····<a·href="#lib_dir/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 2492, 15 lines modified | Offset 2492, 15 lines modified | ||
| 2492 | an·<code·class="inline">ebin</code>·subdirectory,·the·path·to·this·directory·is·returned·(not·the·<code·class="inline">ebin</code> | 2492 | an·<code·class="inline">ebin</code>·subdirectory,·the·path·to·this·directory·is·returned·(not·the·<code·class="inline">ebin</code> |
| 2493 | directory).</p><p>If·the·directory·refers·to·a·directory·in·an·archive,·the·archive·name·is | 2493 | directory).</p><p>If·the·directory·refers·to·a·directory·in·an·archive,·the·archive·name·is |
| 2494 | stripped·away·before·the·path·is·returned.·For·example,·if·directory | 2494 | stripped·away·before·the·path·is·returned.·For·example,·if·directory |
| 2495 | <code·class="inline">/usr/local/otp/lib/mnesia-4.2.2.ez/mnesia-4.2.2/ebin</code>·is·in·the·path, | 2495 | <code·class="inline">/usr/local/otp/lib/mnesia-4.2.2.ez/mnesia-4.2.2/ebin</code>·is·in·the·path, |
| 2496 | <code·class="inline">/usr/local/otp/lib/mnesia-4.2.2/ebin</code>·is·returned.·This·means·that·the·library | 2496 | <code·class="inline">/usr/local/otp/lib/mnesia-4.2.2/ebin</code>·is·returned.·This·means·that·the·library |
| 2497 | directory·for·an·application·is·the·same,·regardless·if·the·application·resides | 2497 | directory·for·an·application·is·the·same,·regardless·if·the·application·resides |
| 2498 | in·an·archive·or·not.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Warning</h4><p>Archives·are·experimental.·In·a·future·release,·they·can·be·removed·or | 2498 | in·an·archive·or·not.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Warning</h4><p>Archives·are·experimental.·In·a·future·release,·they·can·be·removed·or |
| 2499 | their·behavior·can·change.</p></section><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">lib_dir</span><span·class="p"·data-group-id=" | 2499 | their·behavior·can·change.</p></section><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">lib_dir</span><span·class="p"·data-group-id="6151545257-1">(</span><span·class="ss">mnesia</span><span·class="p"·data-group-id="6151545257-1">)</span><span·class="p">.</span><span·class="w"> |
| 2500 | </span><span·class="s">"/usr/local/otp/lib/mnesia-4.23"</span></code></pre><p>Returns·<code·class="inline">{error,·bad_name}</code>·if·<code·class="inline">Name</code>·is·not·the·name·of·an·application·under | 2500 | </span><span·class="s">"/usr/local/otp/lib/mnesia-4.23"</span></code></pre><p>Returns·<code·class="inline">{error,·bad_name}</code>·if·<code·class="inline">Name</code>·is·not·the·name·of·an·application·under |
| 2501 | <code·class="inline">$OTPROOT/lib</code>·or·on·a·directory·referred·to·through·environment·variable | 2501 | <code·class="inline">$OTPROOT/lib</code>·or·on·a·directory·referred·to·through·environment·variable |
| 2502 | <code·class="inline">ERL_LIBS</code>.·Fails·with·an·exception·if·<code·class="inline">Name</code>·has·the·wrong·type.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>For·backward·compatibility,·<code·class="inline">Name</code>·is·also·allowed·to·be·a·string.·That·will | 2502 | <code·class="inline">ERL_LIBS</code>.·Fails·with·an·exception·if·<code·class="inline">Name</code>·has·the·wrong·type.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>For·backward·compatibility,·<code·class="inline">Name</code>·is·also·allowed·to·be·a·string.·That·will |
| 2503 | probably·change·in·a·future·release.</p></section> | 2503 | probably·change·in·a·future·release.</p></section> |
| 2504 | ··</section> | 2504 | ··</section> |
| 2505 | </section> | 2505 | </section> |
| 2506 | <section·class="detail"·id="lib_dir/2"> | 2506 | <section·class="detail"·id="lib_dir/2"> |
| Offset 2533, 15 lines modified | Offset 2533, 15 lines modified | ||
| 2533 | <p>Returns·the·path·to·a·subdirectory·directly·under·the·top·directory·of·an | 2533 | <p>Returns·the·path·to·a·subdirectory·directly·under·the·top·directory·of·an |
| 2534 | application.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>This·function·is·part·of·the·archive·support,·which·is·an·experimental | 2534 | application.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><p>This·function·is·part·of·the·archive·support,·which·is·an·experimental |
| 2535 | feature·that·will·be·changed·or·removed·in·a·future·release.</p></section><p>Normally·the·subdirectories·reside·under·the·top·directory·for·the | 2535 | feature·that·will·be·changed·or·removed·in·a·future·release.</p></section><p>Normally·the·subdirectories·reside·under·the·top·directory·for·the |
| 2536 | application,·but·when·applications·at·least·partly·reside·in·an·archive,·the | 2536 | application,·but·when·applications·at·least·partly·reside·in·an·archive,·the |
| 2537 | situation·is·different.·Some·of·the·subdirectories·can·reside·as·regular | 2537 | situation·is·different.·Some·of·the·subdirectories·can·reside·as·regular |
| 2538 | directories·while·others·reside·in·an·archive·file.·It·is·not·checked·whether | 2538 | directories·while·others·reside·in·an·archive·file.·It·is·not·checked·whether |
| 2539 | this·directory·exists.</p><p>Instead·of·using·this·function,·use·<a·href="#lib_dir/1"><code·class="inline">code:lib_dir/1</code></a> | 2539 | this·directory·exists.</p><p>Instead·of·using·this·function,·use·<a·href="#lib_dir/1"><code·class="inline">code:lib_dir/1</code></a> |
| 2540 | and·<a·href="../../../../lib/stdlib-6.2.1/doc/html/filename.html#join/2"><code·class="inline">filename:join/2</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id=" | 2540 | and·<a·href="../../../../lib/stdlib-6.2.1/doc/html/filename.html#join/2"><code·class="inline">filename:join/2</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id="4512500925-1">(</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">lib_dir</span><span·class="p"·data-group-id="4512500925-2">(</span><span·class="ss">megaco</span><span·class="p"·data-group-id="4512500925-2">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·113,·SHA:·f0b4d1afaeac0d82842bac5c80355d57f615d6960d677a6076a82e9fb4dceb06·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 2541 | </span><span·class="s">"/usr/local/otp/lib/megaco-3.9.1.1/priv"</span></code></pre><p>Fails·with·an·exception·if·<code·class="inline">Name</code>·or·<code·class="inline">SubDir</code>·has·the·wrong·type.</p> | 2541 | </span><span·class="s">"/usr/local/otp/lib/megaco-3.9.1.1/priv"</span></code></pre><p>Fails·with·an·exception·if·<code·class="inline">Name</code>·or·<code·class="inline">SubDir</code>·has·the·wrong·type.</p> |
| 2542 | ··</section> | 2542 | ··</section> |
| 2543 | </section> | 2543 | </section> |
| 2544 | <section·class="detail"·id="load_abs/1"> | 2544 | <section·class="detail"·id="load_abs/1"> |
| 2545 | ··<div·class="detail-header"> | 2545 | ··<div·class="detail-header"> |
| 2546 | ····<a·href="#load_abs/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 2546 | ····<a·href="#load_abs/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 2964, 15 lines modified | Offset 2964, 15 lines modified | ||
| 2964 | ······<div·class="specs"> | 2964 | ······<div·class="specs"> |
| 2965 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·root_dir()·->·<a·href="file.html#t:filename/0">file:filename</a>().</pre> | 2965 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·root_dir()·->·<a·href="file.html#t:filename/0">file:filename</a>().</pre> |
| 2966 | ······</div> | 2966 | ······</div> |
| 2967 | <p>Returns·the·root·directory·of·Erlang/OTP,·which·is·the·directory·where·it·is | 2967 | <p>Returns·the·root·directory·of·Erlang/OTP,·which·is·the·directory·where·it·is |
| 2968 | installed.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">root_dir</span><span·class="p"·data-group-id=" | 2968 | installed.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">root_dir</span><span·class="p"·data-group-id="1951823620-1">(</span><span·class="p"·data-group-id="1951823620-1">)</span><span·class="p">.</span><span·class="w"> |
| 2969 | </span><span·class="s">"/usr/local/otp"</span></code></pre> | 2969 | </span><span·class="s">"/usr/local/otp"</span></code></pre> |
| 2970 | ··</section> | 2970 | ··</section> |
| 2971 | </section> | 2971 | </section> |
| 2972 | <section·class="detail"·id="set_coverage_mode/1"> | 2972 | <section·class="detail"·id="set_coverage_mode/1"> |
| 2973 | ··<div·class="detail-header"> | 2973 | ··<div·class="detail-header"> |
| 2974 | ····<a·href="#set_coverage_mode/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 2974 | ····<a·href="#set_coverage_mode/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 3240, 15 lines modified | Offset 3240, 15 lines modified | ||
| 3240 | ······<p·class="built-using"> | 3240 | ······<p·class="built-using"> |
| 3241 | ········Built·using | 3241 | ········Built·using |
| 3242 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3242 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3243 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3243 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3244 | ······</p> | 3244 | ······</p> |
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| 148 | (see·<a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html"><code·class="inline">erts:erl(1)</code></a>).</p><p>The·value·of·a·configuration·parameter·is·retrieved·by·calling | 148 | (see·<a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html"><code·class="inline">erts:erl(1)</code></a>).</p><p>The·value·of·a·configuration·parameter·is·retrieved·by·calling |
| 149 | <code·class="inline">application:get_env/1,2</code>.</p><h2·id="file-syntax"·class="section-heading"> | 149 | <code·class="inline">application:get_env/1,2</code>.</p><h2·id="file-syntax"·class="section-heading"> |
| 150 | ··<a·href="#file-syntax"·class="hover-link"> | 150 | ··<a·href="#file-syntax"·class="hover-link"> |
| 151 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 151 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 152 | ··</a> | 152 | ··</a> |
| 153 | ··<span·class="text">File·Syntax</span> | 153 | ··<span·class="text">File·Syntax</span> |
| 154 | </h2> | 154 | </h2> |
| 155 | <p>The·configuration·file·is·to·be·called·<code·class="inline">Name.config</code>,·where·<code·class="inline">Name</code>·is·any·name.</p><p>File·<code·class="inline">.config</code>·contains·a·single·Erlang·term·and·has·the·following·syntax:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 155 | <p>The·configuration·file·is·to·be·called·<code·class="inline">Name.config</code>,·where·<code·class="inline">Name</code>·is·any·name.</p><p>File·<code·class="inline">.config</code>·contains·a·single·Erlang·term·and·has·the·following·syntax:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3048626540-1">[</span><span·class="p"·data-group-id="3048626540-2">{</span><span·class="n">Application1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3048626540-3">[</span><span·class="p"·data-group-id="3048626540-4">[·...·truncated·by·diffoscope;·len:·378,·SHA:·5642ca75a35db562a6fdb6e4bf1582c4a17451fbc5c504a153fa08c740faa784·...·]0-2">}</span><span·class="p">,</span><span·class="w"> |
| 156 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 156 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 157 | ·</span><span·class="p"·data-group-id=" | 157 | ·</span><span·class="p"·data-group-id="3048626540-5">{</span><span·class="n">ApplicationN</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3048626540-6">[</span><span·class="p"·data-group-id="3048626540-7">{</span><span·class="n">ParN1</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·378,·SHA:·2d0fed71359d94ba0643e287cbee11ff81ab865c77cc76f925170fb669a9e265·...·]0-1">]</span><span·class="p">.</span></code></pre><ul><li><p><strong><code·class="inline">Application·=·atom()</code></strong>·-·Application·name.</p></li><li><p><strong><code·class="inline">Par·=·atom()</code></strong>·-·Name·of·a·configuration·parameter.</p></li><li><p><strong><code·class="inline">Val·=·term()</code></strong>·-·Value·of·a·configuration·parameter.</p></li></ul><h2·id="sys-config"·class="section-heading"> |
| 158 | ··<a·href="#sys-config"·class="hover-link"> | 158 | ··<a·href="#sys-config"·class="hover-link"> |
| 159 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 159 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 160 | ··</a> | 160 | ··</a> |
| 161 | ··<span·class="text">sys.config</span> | 161 | ··<span·class="text">sys.config</span> |
| 162 | </h2> | 162 | </h2> |
| 163 | <p>When·starting·Erlang·in·embedded·mode,·it·is·assumed·that·exactly·one·system | 163 | <p>When·starting·Erlang·in·embedded·mode,·it·is·assumed·that·exactly·one·system |
| 164 | configuration·file·is·used,·named·<code·class="inline">sys.config</code>.·This·file·is·to·be·located·in | 164 | configuration·file·is·used,·named·<code·class="inline">sys.config</code>.·This·file·is·to·be·located·in |
| Offset 253, 15 lines modified | Offset 253, 15 lines modified | ||
| 253 | ······<p·class="built-using"> | 253 | ······<p·class="built-using"> |
| 254 | ········Built·using | 254 | ········Built·using |
| 255 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 255 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 256 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 256 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 257 | ······</p> | 257 | ······</p> |
| 258 | <p>Copyright·©·1996-202 | 258 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 259 | ····</footer> | 259 | ····</footer> |
| 260 | ··</div> | 260 | ··</div> |
| 261 | </main> | 261 | </main> |
| 262 | </div> | 262 | </div> |
| 263 | <script> | 263 | <script> |
| 264 | ··function·mermaidLoaded()·{ | 264 | ··function·mermaidLoaded()·{ |
| 265 | ····mermaid.initialize({ | 265 | ····mermaid.initialize({ |
| Offset 2950, 15 lines modified | Offset 2950, 15 lines modified | ||
| 2950 | ······<p·class="built-using"> | 2950 | ······<p·class="built-using"> |
| 2951 | ········Built·using | 2951 | ········Built·using |
| 2952 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2952 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2953 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2953 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2954 | ······</p> | 2954 | ······</p> |
| 2955 | <p>Copyright·©·1996-202 | 2955 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2956 | ····</footer> | 2956 | ····</footer> |
| 2957 | ··</div> | 2957 | ··</div> |
| 2958 | </main> | 2958 | </main> |
| 2959 | </div> | 2959 | </div> |
| 2960 | <script> | 2960 | <script> |
| 2961 | ··function·mermaidLoaded()·{ | 2961 | ··function·mermaidLoaded()·{ |
| 2962 | ····mermaid.initialize({ | 2962 | ····mermaid.initialize({ |
| Offset 150, 28 lines modified | Offset 150, 28 lines modified | ||
| 150 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 150 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 151 | ··</a> | 151 | ··</a> |
| 152 | ··<span·class="text">The·"Docs"·format</span> | 152 | ··<span·class="text">The·"Docs"·format</span> |
| 153 | </h2> | 153 | </h2> |
| 154 | <p>In·both·storages,·the·documentation·is·written·in·the·exactly·same·format:·an | 154 | <p>In·both·storages,·the·documentation·is·written·in·the·exactly·same·format:·an |
| 155 | Erlang·term·serialized·to·binary·via | 155 | Erlang·term·serialized·to·binary·via |
| 156 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#term_to_binary/1"><code·class="inline">term_to_binary/1</code></a>.·The·term·can·be·optionally | 156 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#term_to_binary/1"><code·class="inline">term_to_binary/1</code></a>.·The·term·can·be·optionally |
| 157 | compressed·when·serialized.·It·must·follow·the·type·specification·below:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 157 | compressed·when·serialized.·It·must·follow·the·type·specification·below:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4133046652-1">{</span><span·class="ss">docs_v1</span><span·class="p">,</span><span·class="w"> |
| 158 | ·</span><span·class="n">Anno</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nc">erl_anno</span><span·class="p">:</span><span·class="nf">anno</span><span·class="p"·data-group-id=" | 158 | ·</span><span·class="n">Anno</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nc">erl_anno</span><span·class="p">:</span><span·class="nf">anno</span><span·class="p"·data-group-id="4133046652-2">(</span><span·class="p"·data-group-id="4133046652-2">)</span><span·class="p">,</span><span·class="w"> |
| 159 | ·</span><span·class="n">BeamLanguage</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 159 | ·</span><span·class="n">BeamLanguage</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="4133046652-3">(</span><span·class="p"·data-group-id="4133046652-3">)</span><span·class="p">,</span><span·class="w"> |
| 160 | ·</span><span·class="n">Format</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id=" | 160 | ·</span><span·class="n">Format</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id="4133046652-4">(</span><span·class="p"·data-group-id="4133046652-4">)</span><span·class="p">,</span><span·class="w"> |
| 161 | ·</span><span·class="n">ModuleDoc</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 161 | ·</span><span·class="n">ModuleDoc</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="4133046652-5">#{</span><span·class="n">DocLanguage</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">DocValue</span><span·class="p"·data-group-id="4133046652-5">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">none</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">hidden</span><span·class="p">,</span><span·class="w"> |
| 162 | ·</span><span·class="n">Metadata</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 162 | ·</span><span·class="n">Metadata</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">map</span><span·class="p"·data-group-id="4133046652-6">(</span><span·class="p"·data-group-id="4133046652-6">)</span><span·class="p">,</span><span·class="w"> |
| 163 | ·</span><span·class="n">Docs</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w"> | 163 | ·</span><span·class="n">Docs</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w"> |
| 164 | ···</span><span·class="p"·data-group-id=" | 164 | ···</span><span·class="p"·data-group-id="4133046652-7">[</span><span·class="p"·data-group-id="4133046652-8">{</span><span·class="p"·data-group-id="4133046652-9">{</span><span·class="n">Kind</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·91,·SHA:·97b7cda03d80fa4e22e105f23ece57341533e58619bb7b167d300d475d5a7bf8·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 165 | ·····</span><span·class="n">Anno</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nc">erl_anno</span><span·class="p">:</span><span·class="nf">anno</span><span·class="p"·data-group-id=" | 165 | ·····</span><span·class="n">Anno</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nc">erl_anno</span><span·class="p">:</span><span·class="nf">anno</span><span·class="p"·data-group-id="4133046652-10">(</span><span·class="p"·data-group-id="4133046652-10">)</span><span·class="p">,</span><span·class="w"> |
| 166 | ·····</span><span·class="n">Signature</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 166 | ·····</span><span·class="n">Signature</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="4133046652-11">[</span><span·class="nf">binary</span><span·class="p"·data-group-id="4133046652-12">(</span><span·class="p"·data-group-id="4133046652-12">)</span><span·class="p"·data-group-id="4133046652-11">]</span><span·class="p">,</span><span·class="w"> |
| 167 | ·····</span><span·class="n">Doc</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 167 | ·····</span><span·class="n">Doc</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="4133046652-13">#{</span><span·class="n">DocLanguage</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">DocValue</span><span·class="p"·data-group-id="4133046652-13">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">none</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">hidden</span><span·class="p">,</span><span·class="w"> |
| 168 | ·····</span><span·class="n">Metadata</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 168 | ·····</span><span·class="n">Metadata</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">map</span><span·class="p"·data-group-id="4133046652-14">(</span><span·class="p"·data-group-id="4133046652-14">)</span><span·class="w"> |
| 169 | ····</span><span·class="p"·data-group-id=" | 169 | ····</span><span·class="p"·data-group-id="4133046652-8">}</span><span·class="p"·data-group-id="4133046652-7">]</span><span·class="p"·data-group-id="4133046652-1">}</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">DocLanguage</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·202,·SHA:·f49b1aa0d24f3f9f81cb380dc9edf236c81f2537530594c2a2a57c220b437f00·...·]-15">)</span><span·class="p">,</span><span·class="w"> |
| 170 | ·············</span><span·class="n">DocValue</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id=" | 170 | ·············</span><span·class="n">DocValue</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id="4133046652-16">(</span><span·class="p"·data-group-id="4133046652-16">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="4133046652-17">(</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·7fb9c1da14f2adbe52dd6549a6c57dbdb112122fb0e849bda6a16df7c0acf332·...·]-17">)</span></code></pre><p>where·in·the·root·tuple·we·have:</p><ul><li><p><strong><code·class="inline">Anno</code></strong>·-·annotation·(line,·column,·file)·of·the·definition·itself·(see |
| 171 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/erl_anno.html"><code·class="inline">erl_anno</code></a>)</p></li><li><p><strong><code·class="inline">BeamLanguage</code></strong>·-·an·atom·representing·the·language,·for·example:·<code·class="inline">erlang</code>, | 171 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/erl_anno.html"><code·class="inline">erl_anno</code></a>)</p></li><li><p><strong><code·class="inline">BeamLanguage</code></strong>·-·an·atom·representing·the·language,·for·example:·<code·class="inline">erlang</code>, |
| 172 | <code·class="inline">elixir</code>,·<code·class="inline">lfe</code>,·<code·class="inline">alpaca</code>,·and·so·on</p></li><li><p><strong><code·class="inline">Format</code></strong>·-·the·mime·type·of·the·documentation,·such·as·<code·class="inline"><<"text/markdown">></code> | 172 | <code·class="inline">elixir</code>,·<code·class="inline">lfe</code>,·<code·class="inline">alpaca</code>,·and·so·on</p></li><li><p><strong><code·class="inline">Format</code></strong>·-·the·mime·type·of·the·documentation,·such·as·<code·class="inline"><<"text/markdown">></code> |
| 173 | or·<code·class="inline"><<"application/erlang+html">></code>.·For·details·of·the·format·used·by·Erlang | 173 | or·<code·class="inline"><<"application/erlang+html">></code>.·For·details·of·the·format·used·by·Erlang |
| 174 | see·the·<a·href="../../../../lib/edoc-1.3.2/doc/html/doc_storage.html"><code·class="inline">EEP-48·Chapter</code></a>·in·EDoc's·User's | 174 | see·the·<a·href="../../../../lib/edoc-1.3.2/doc/html/doc_storage.html"><code·class="inline">EEP-48·Chapter</code></a>·in·EDoc's·User's |
| 175 | Guide.</p></li><li><p><strong><code·class="inline">ModuleDoc</code></strong>·-·a·map·with·the·documentation·language·as·key,·such·as | 175 | Guide.</p></li><li><p><strong><code·class="inline">ModuleDoc</code></strong>·-·a·map·with·the·documentation·language·as·key,·such·as |
| 176 | <code·class="inline"><<"en">></code>·or·<code·class="inline"><<"pt_BR">></code>,·and·the·documentation·as·a·binary·value.·It·can | 176 | <code·class="inline"><<"en">></code>·or·<code·class="inline"><<"pt_BR">></code>,·and·the·documentation·as·a·binary·value.·It·can |
| 177 | be·atom·<code·class="inline">none</code>·if·no·documentation·exists·or·the·atom·<code·class="inline">hidden</code>·if | 177 | be·atom·<code·class="inline">none</code>·if·no·documentation·exists·or·the·atom·<code·class="inline">hidden</code>·if |
| Offset 258, 15 lines modified | Offset 258, 15 lines modified | ||
| 258 | ······<p·class="built-using"> | 258 | ······<p·class="built-using"> |
| 259 | ········Built·using | 259 | ········Built·using |
| 260 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 260 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 261 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 261 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 262 | ······</p> | 262 | ······</p> |
| 263 | <p>Copyright·©·1996-202 | 263 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 264 | ····</footer> | 264 | ····</footer> |
| 265 | ··</div> | 265 | ··</div> |
| 266 | </main> | 266 | </main> |
| 267 | </div> | 267 | </div> |
| 268 | <script> | 268 | <script> |
| 269 | ··function·mermaidLoaded()·{ | 269 | ··function·mermaidLoaded()·{ |
| 270 | ····mermaid.initialize({ | 270 | ····mermaid.initialize({ |
| Offset 399, 15 lines modified | Offset 399, 15 lines modified | ||
| 399 | ······<p·class="built-using"> | 399 | ······<p·class="built-using"> |
| 400 | ········Built·using | 400 | ········Built·using |
| 401 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 401 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 402 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 402 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 403 | ······</p> | 403 | ······</p> |
| 404 | <p>Copyright·©·1996-202 | 404 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 405 | ····</footer> | 405 | ····</footer> |
| 406 | ··</div> | 406 | ··</div> |
| 407 | </main> | 407 | </main> |
| 408 | </div> | 408 | </div> |
| 409 | <script> | 409 | <script> |
| 410 | ··function·mermaidLoaded()·{ | 410 | ··function·mermaidLoaded()·{ |
| 411 | ····mermaid.initialize({ | 411 | ····mermaid.initialize({ |
| Offset 1311, 15 lines modified | Offset 1311, 15 lines modified | ||
| 1311 | ······<p·class="built-using"> | 1311 | ······<p·class="built-using"> |
| 1312 | ········Built·using | 1312 | ········Built·using |
| 1313 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1313 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1314 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1314 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1315 | ······</p> | 1315 | ······</p> |
| 1316 | <p>Copyright·©·1996-202 | 1316 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1317 | ····</footer> | 1317 | ····</footer> |
| 1318 | ··</div> | 1318 | ··</div> |
| 1319 | </main> | 1319 | </main> |
| 1320 | </div> | 1320 | </div> |
| 1321 | <script> | 1321 | <script> |
| 1322 | ··function·mermaidLoaded()·{ | 1322 | ··function·mermaidLoaded()·{ |
| 1323 | ····mermaid.initialize({ | 1323 | ····mermaid.initialize({ |
| Offset 351, 16 lines modified | Offset 351, 16 lines modified | ||
| 351 | ···················Reason·::·address·|·<a·href="file.html#t:posix/0">file:posix</a>().</pre> | 351 | ···················Reason·::·address·|·<a·href="file.html#t:posix/0">file:posix</a>().</pre> |
| 352 | ······</div> | 352 | ······</div> |
| 353 | <p>Called·by·<a·href="net_adm.html"><code·class="inline">net_adm:names/0</code></a>.·<code·class="inline">Host</code>·defaults·to·the·localhost. | 353 | <p>Called·by·<a·href="net_adm.html"><code·class="inline">net_adm:names/0</code></a>.·<code·class="inline">Host</code>·defaults·to·the·localhost. |
| 354 | Returns·the·names·and·associated·port·numbers·of·the·Erlang·nodes·that·<code·class="inline">epmd</code> | 354 | Returns·the·names·and·associated·port·numbers·of·the·Erlang·nodes·that·<code·class="inline">epmd</code> |
| 355 | registered·at·the·specified·host.·Returns·<code·class="inline">{error,·address}</code>·if·<code·class="inline">epmd</code>·is·not | 355 | registered·at·the·specified·host.·Returns·<code·class="inline">{error,·address}</code>·if·<code·class="inline">epmd</code>·is·not |
| 356 | operational.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(arne@dunn)1>·</span><span·class="nc">erl_epmd</span><span·class="p">:</span><span·class="nf">names</span><span·class="p"·data-group-id=" | 356 | operational.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(arne@dunn)1>·</span><span·class="nc">erl_epmd</span><span·class="p">:</span><span·class="nf">names</span><span·class="p"·data-group-id="4000232908-1">(</span><span·class="ss">localhost</span><span·class="p"·data-group-id="4000232908-1">)</span><span·class="p">.</span><span·class="w"> |
| 357 | </span><span·class="p"·data-group-id=" | 357 | </span><span·class="p"·data-group-id="4000232908-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="4000232908-3">[</span><span·class="p"·data-group-id="4000232908-4">{</span><span·class="s">"arne"</span><span·class="p">,</span><span·class="mi[·...·truncated·by·diffoscope;·len:·161,·SHA:·f6a4e23249459feee52cf98ce514c6c31b59c8cebf945f8aa4656fa39a83299b·...·]-2">}</span></code></pre> |
| 358 | ··</section> | 358 | ··</section> |
| 359 | </section> | 359 | </section> |
| 360 | <section·class="detail"·id="port_please/2"> | 360 | <section·class="detail"·id="port_please/2"> |
| 361 | ··<div·class="detail-header"> | 361 | ··<div·class="detail-header"> |
| 362 | ····<a·href="#port_please/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 362 | ····<a·href="#port_please/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 363 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 363 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 550, 15 lines modified | Offset 550, 15 lines modified | ||
| 550 | ······<p·class="built-using"> | 550 | ······<p·class="built-using"> |
| 551 | ········Built·using | 551 | ········Built·using |
| 552 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 552 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 553 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 553 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 554 | ······</p> | 554 | ······</p> |
| 555 | <p>Copyright·©·1996-202 | 555 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 556 | ····</footer> | 556 | ····</footer> |
| 557 | ··</div> | 557 | ··</div> |
| 558 | </main> | 558 | </main> |
| 559 | </div> | 559 | </div> |
| 560 | <script> | 560 | <script> |
| 561 | ··function·mermaidLoaded()·{ | 561 | ··function·mermaidLoaded()·{ |
| 562 | ····mermaid.initialize({ | 562 | ····mermaid.initialize({ |
| Offset 1183, 28 lines modified | Offset 1183, 28 lines modified | ||
| 1183 | at·the·client·side.</li></ul><p>The·call·<code·class="inline">erpc:multicall(Nodes,·Module,·Function,·Args)</code>·is·equivalent·to·the | 1183 | at·the·client·side.</li></ul><p>The·call·<code·class="inline">erpc:multicall(Nodes,·Module,·Function,·Args)</code>·is·equivalent·to·the |
| 1184 | call·<code·class="inline">erpc:multicall(Nodes,·Module,·Function,·Args,·infinity)</code>.·These·calls·are | 1184 | call·<code·class="inline">erpc:multicall(Nodes,·Module,·Function,·Args,·infinity)</code>.·These·calls·are |
| 1185 | also·equivalent·to·calling·<code·class="inline">my_multicall(Nodes,·Module,·Function,·Args)</code>·below | 1185 | also·equivalent·to·calling·<code·class="inline">my_multicall(Nodes,·Module,·Function,·Args)</code>·below |
| 1186 | if·one·disregard·performance·and·failure·behavior.·<code·class="inline">multicall()</code>·can·utilize·a | 1186 | if·one·disregard·performance·and·failure·behavior.·<code·class="inline">multicall()</code>·can·utilize·a |
| 1187 | selective·receive·optimization·which·removes·the·need·to·scan·the·message·queue | 1187 | selective·receive·optimization·which·removes·the·need·to·scan·the·message·queue |
| 1188 | from·the·beginning·in·order·to·find·a·matching·message.·The | 1188 | from·the·beginning·in·order·to·find·a·matching·message.·The |
| 1189 | <code·class="inline">send_request()/receive_response()</code>·combination·can,·however,·not·utilize·this | 1189 | <code·class="inline">send_request()/receive_response()</code>·combination·can,·however,·not·utilize·this |
| 1190 | optimization.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_multicall</span><span·class="p"·data-group-id=" | 1190 | optimization.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_multicall</span><span·class="p"·data-group-id="6225336438-1">(</span><span·class="n">Nodes</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Function</span><span·class="p">,</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·66,·SHA:·9e2ed53cdc14a717858d873960114a985c84f74551dfa5369663f04853b0f1dc·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1191 | ··</span><span·class="n">ReqIds</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 1191 | ··</span><span·class="n">ReqIds</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="6225336438-2">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="6225336438-3">(</span><span·class="n">Node</span><span·class="p"·data-group-id="6225336438-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1192 | ·······················</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">send_request</span><span·class="p"·data-group-id=" | 1192 | ·······················</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">send_request</span><span·class="p"·data-group-id="6225336438-4">(</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Function</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·65,·SHA:·07ed6cb6b473b1b3a1fc01b2ddeb7734b519620d4c4ae45dd69da5d0bdbddcb4·...·]-4">)</span><span·class="w"> |
| 1193 | ·····················</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 1193 | ·····················</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 1194 | ·····················</span><span·class="n">Nodes</span><span·class="p"·data-group-id=" | 1194 | ·····················</span><span·class="n">Nodes</span><span·class="p"·data-group-id="6225336438-2">)</span><span·class="p">,</span><span·class="w"> |
| 1195 | ··</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 1195 | ··</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="6225336438-5">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="6225336438-6">(</span><span·class="n">ReqId</span><span·class="p"·data-group-id="6225336438-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1196 | ··············</span><span·class="k">try</span><span·class="w"> | 1196 | ··············</span><span·class="k">try</span><span·class="w"> |
| 1197 | ················</span><span·class="p"·data-group-id=" | 1197 | ················</span><span·class="p"·data-group-id="6225336438-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">receive_response</span><span·class="p"·data-group-id="6225336438-8">(</span><span·class="n"[·...·truncated·by·diffoscope;·len:·187,·SHA:·7c1d453115cbb12f472c3276428d150427f65cb4c32b2e86a9630468365a08a1·...·]-7">}</span><span·class="w"> |
| 1198 | ··············</span><span·class="k">catch</span><span·class="w"> | 1198 | ··············</span><span·class="k">catch</span><span·class="w"> |
| 1199 | ················</span><span·class="n">Class</span><span·class="p">:</span><span·class="n">Reason</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 1199 | ················</span><span·class="n">Class</span><span·class="p">:</span><span·class="n">Reason</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1200 | ··················</span><span·class="p"·data-group-id=" | 1200 | ··················</span><span·class="p"·data-group-id="6225336438-9">{</span><span·class="n">Class</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6225336438-9">}</span><span·class="w"> |
| 1201 | ··············</span><span·class="k">end</span><span·class="w"> | 1201 | ··············</span><span·class="k">end</span><span·class="w"> |
| 1202 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 1202 | ············</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 1203 | ············</span><span·class="n">ReqIds</span><span·class="p"·data-group-id=" | 1203 | ············</span><span·class="n">ReqIds</span><span·class="p"·data-group-id="6225336438-5">)</span><span·class="p">.</span></code></pre><p>If·an·<code·class="inline">erpc</code>·operation·fails,·but·it·is·unknown·if·the·function·is/will·be |
| 1204 | applied·(that·is,·a·timeout,·connection·loss,·or·an·improper·<code·class="inline">Nodes</code>·list),·the | 1204 | applied·(that·is,·a·timeout,·connection·loss,·or·an·improper·<code·class="inline">Nodes</code>·list),·the |
| 1205 | caller·will·not·receive·any·further·information·about·the·result·if/when·the | 1205 | caller·will·not·receive·any·further·information·about·the·result·if/when·the |
| 1206 | applied·function·completes.·If·the·applied·function·communicates·with·the | 1206 | applied·function·completes.·If·the·applied·function·communicates·with·the |
| 1207 | calling·process,·such·communication·may,·of·course,·reach·the·calling·process.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>You·cannot·make·<em>any</em>·assumptions·about·the·process·that·will·perform·the | 1207 | calling·process,·such·communication·may,·of·course,·reach·the·calling·process.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>You·cannot·make·<em>any</em>·assumptions·about·the·process·that·will·perform·the |
| 1208 | <code·class="inline">apply()</code>.·It·may·be·the·calling·process·itself,·a·server,·or·a·freshly | 1208 | <code·class="inline">apply()</code>.·It·may·be·the·calling·process·itself,·a·server,·or·a·freshly |
| 1209 | spawned·process.</p></section> | 1209 | spawned·process.</p></section> |
| 1210 | ··</section> | 1210 | ··</section> |
| Offset 1346, 17 lines modified | Offset 1346, 17 lines modified | ||
| 1346 | exception·if/when·an·invalid·<code·class="inline">RequestId</code>·is·detected·or·if·an·invalid·<code·class="inline">Timeout</code> | 1346 | exception·if/when·an·invalid·<code·class="inline">RequestId</code>·is·detected·or·if·an·invalid·<code·class="inline">Timeout</code> |
| 1347 | is·passed.</p><p>A·call·to·the·function·<code·class="inline">my_call(Node,·Module,·Function,·Args,·Timeout)</code>·below·is | 1347 | is·passed.</p><p>A·call·to·the·function·<code·class="inline">my_call(Node,·Module,·Function,·Args,·Timeout)</code>·below·is |
| 1348 | equivalent·to·the·call | 1348 | equivalent·to·the·call |
| 1349 | <a·href="#call/5"><code·class="inline">erpc:call(Node,·Module,·Function,·Args,·Timeout)</code></a>·if·one·disregards | 1349 | <a·href="#call/5"><code·class="inline">erpc:call(Node,·Module,·Function,·Args,·Timeout)</code></a>·if·one·disregards |
| 1350 | performance.·<code·class="inline">call()</code>·can·utilize·a·selective·receive·optimization·which·removes | 1350 | performance.·<code·class="inline">call()</code>·can·utilize·a·selective·receive·optimization·which·removes |
| 1351 | the·need·to·scan·the·message·queue·from·the·beginning·in·order·to·find·a | 1351 | the·need·to·scan·the·message·queue·from·the·beginning·in·order·to·find·a |
| 1352 | matching·message.·The·<code·class="inline">send_request()/receive_response()</code>·combination·can, | 1352 | matching·message.·The·<code·class="inline">send_request()/receive_response()</code>·combination·can, |
| 1353 | however,·not·utilize·this·optimization.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_call</span><span·class="p"·data-group-id=" | 1353 | however,·not·utilize·this·optimization.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_call</span><span·class="p"·data-group-id="2588439154-1">(</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Function</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·143,·SHA:·8c127d91144b76fc13238108072183107b3626979f03935961d5762ddbf9ccec·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1354 | ··</span><span·class="n">RequestId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">send_request</span><span·class="p"·data-group-id=" | 1354 | ··</span><span·class="n">RequestId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">send_request</span><span·class="p"·data-group-id="2588439154-2">(</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Function</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·65,·SHA:·e80c4d75bf4a147a83785d18ccf31ce84d6dde7112d46608a488563fa05a450e·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 1355 | ··</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">receive_response</span><span·class="p"·data-group-id=" | 1355 | ··</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">receive_response</span><span·class="p"·data-group-id="2588439154-3">(</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Timeout</span><span·class="p"·data-group-id="2588439154-3">)</span><span·class="p">.</span></code></pre><p>If·the·<code·class="inline">erpc</code>·operation·fails,·but·it·is·unknown·if·the·function·is/will·be |
| 1356 | applied·(that·is,·a·timeout,·or·a·connection·loss),·the·caller·will·not·receive | 1356 | applied·(that·is,·a·timeout,·or·a·connection·loss),·the·caller·will·not·receive |
| 1357 | any·further·information·about·the·result·if/when·the·applied·function·completes. | 1357 | any·further·information·about·the·result·if/when·the·applied·function·completes. |
| 1358 | If·the·applied·function·explicitly·communicates·with·the·calling·process,·such | 1358 | If·the·applied·function·explicitly·communicates·with·the·calling·process,·such |
| 1359 | communication·may,·of·course,·reach·the·calling·process.</p> | 1359 | communication·may,·of·course,·reach·the·calling·process.</p> |
| 1360 | ··</section> | 1360 | ··</section> |
| 1361 | </section> | 1361 | </section> |
| 1362 | <section·class="detail"·id="receive_response/3"> | 1362 | <section·class="detail"·id="receive_response/3"> |
| Offset 1637, 17 lines modified | Offset 1637, 17 lines modified | ||
| 1637 | about·to·save·the·request·identifier·in·a·request·identifier·collection,·you·may | 1637 | about·to·save·the·request·identifier·in·a·request·identifier·collection,·you·may |
| 1638 | want·to·consider·using·<a·href="#send_request/6"><code·class="inline">send_request/6</code></a>·instead.</p><p>A·call·to·the·function·<code·class="inline">my_call(Node,·Module,·Function,·Args,·Timeout)</code>·below·is | 1638 | want·to·consider·using·<a·href="#send_request/6"><code·class="inline">send_request/6</code></a>·instead.</p><p>A·call·to·the·function·<code·class="inline">my_call(Node,·Module,·Function,·Args,·Timeout)</code>·below·is |
| 1639 | equivalent·to·the·call | 1639 | equivalent·to·the·call |
| 1640 | <a·href="#call/5"><code·class="inline">erpc:call(Node,·Module,·Function,·Args,·Timeout)</code></a>·if·one·disregards | 1640 | <a·href="#call/5"><code·class="inline">erpc:call(Node,·Module,·Function,·Args,·Timeout)</code></a>·if·one·disregards |
| 1641 | performance.·<code·class="inline">call()</code>·can·utilize·a·selective·receive·optimization·which·removes | 1641 | performance.·<code·class="inline">call()</code>·can·utilize·a·selective·receive·optimization·which·removes |
| 1642 | the·need·to·scan·the·message·queue·from·the·beginning·in·order·to·find·a | 1642 | the·need·to·scan·the·message·queue·from·the·beginning·in·order·to·find·a |
| 1643 | matching·message.·The·<code·class="inline">send_request()/receive_response()</code>·combination·can, | 1643 | matching·message.·The·<code·class="inline">send_request()/receive_response()</code>·combination·can, |
| 1644 | however,·not·utilize·this·optimization.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_call</span><span·class="p"·data-group-id=" | 1644 | however,·not·utilize·this·optimization.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_call</span><span·class="p"·data-group-id="6518584246-1">(</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Function</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·143,·SHA:·5b7cf50a1f62db8d4f00da6bb8f6ac45efc619d5e75ba1f917ee43485c24f4c8·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1645 | ··</span><span·class="n">RequestId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">send_request</span><span·class="p"·data-group-id=" | 1645 | ··</span><span·class="n">RequestId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">send_request</span><span·class="p"·data-group-id="6518584246-2">(</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Function</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·65,·SHA:·e32cecbcb83fbbe4a077425e3d576d27117d5f00630b908bf28c5f279a24d43c·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 1646 | ··</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">receive_response</span><span·class="p"·data-group-id=" | 1646 | ··</span><span·class="nc">erpc</span><span·class="p">:</span><span·class="nf">receive_response</span><span·class="p"·data-group-id="6518584246-3">(</span><span·class="n">RequestId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Timeout</span><span·class="p"·data-group-id="6518584246-3">)</span><span·class="p">.</span></code></pre><p>Fails·with·an·<code·class="inline">{erpc,·badarg}</code>·<code·class="inline">error</code>·exception·if:</p><ul><li><code·class="inline">Node</code>·is·not·an·atom.</li><li><code·class="inline">Module</code>·is·not·an·atom.</li><li><code·class="inline">Function</code>·is·not·an·atom.</li><li><code·class="inline">Args</code>·is·not·a·list.·Note·that·the·list·is·not·verified·to·be·a·proper·list |
| 1647 | at·the·client·side.</li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>You·cannot·make·<em>any</em>·assumptions·about·the·process·that·will·perform·the | 1647 | at·the·client·side.</li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>You·cannot·make·<em>any</em>·assumptions·about·the·process·that·will·perform·the |
| 1648 | <code·class="inline">apply()</code>.·It·may·be·a·server,·or·a·freshly·spawned·process.</p></section><p>Equivalent·to | 1648 | <code·class="inline">apply()</code>.·It·may·be·a·server,·or·a·freshly·spawned·process.</p></section><p>Equivalent·to |
| 1649 | <a·href="#send_request/6"><code·class="inline">erpc:send_request(Node,·erlang,·apply,·[Fun,[]]),·Label,·RequestIdCollection)</code></a>.</p><p>Fails·with·an·<code·class="inline">{erpc,·badarg}</code>·<code·class="inline">error</code>·exception·if:</p><ul><li><code·class="inline">Node</code>·is·not·an·atom.</li><li><code·class="inline">Fun</code>·is·not·a·fun·of·zero·arity.</li><li><code·class="inline">RequestIdCollection</code>·is·detected·not·to·be·request·identifier·collection.</li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>You·cannot·make·<em>any</em>·assumptions·about·the·process·that·will·perform·the | 1649 | <a·href="#send_request/6"><code·class="inline">erpc:send_request(Node,·erlang,·apply,·[Fun,[]]),·Label,·RequestIdCollection)</code></a>.</p><p>Fails·with·an·<code·class="inline">{erpc,·badarg}</code>·<code·class="inline">error</code>·exception·if:</p><ul><li><code·class="inline">Node</code>·is·not·an·atom.</li><li><code·class="inline">Fun</code>·is·not·a·fun·of·zero·arity.</li><li><code·class="inline">RequestIdCollection</code>·is·detected·not·to·be·request·identifier·collection.</li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>You·cannot·make·<em>any</em>·assumptions·about·the·process·that·will·perform·the |
| 1650 | <code·class="inline">apply()</code>.·It·may·be·a·server,·or·a·freshly·spawned·process.</p></section> | 1650 | <code·class="inline">apply()</code>.·It·may·be·a·server,·or·a·freshly·spawned·process.</p></section> |
| 1651 | ··</section> | 1651 | ··</section> |
| 1652 | </section> | 1652 | </section> |
| 1653 | <section·class="detail"·id="send_request/6"> | 1653 | <section·class="detail"·id="send_request/6"> |
| Offset 1869, 15 lines modified | Offset 1869, 15 lines modified | ||
| 1869 | ······<p·class="built-using"> | 1869 | ······<p·class="built-using"> |
| 1870 | ········Built·using | 1870 | ········Built·using |
| 1871 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1871 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1872 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1872 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1873 | ······</p> | 1873 | ······</p> |
| 1874 | <p>Copyright·©·1996-202 | 1874 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1875 | ····</footer> | 1875 | ····</footer> |
| 1876 | ··</div> | 1876 | ··</div> |
| 1877 | </main> | 1877 | </main> |
| 1878 | </div> | 1878 | </div> |
| 1879 | <script> | 1879 | <script> |
| 1880 | ··function·mermaidLoaded()·{ | 1880 | ··function·mermaidLoaded()·{ |
| 1881 | ····mermaid.initialize({ | 1881 | ····mermaid.initialize({ |
| Offset 325, 15 lines modified | Offset 325, 15 lines modified | ||
| 325 | ······<p·class="built-using"> | 325 | ······<p·class="built-using"> |
| 326 | ········Built·using | 326 | ········Built·using |
| 327 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 327 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 328 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 328 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 329 | ······</p> | 329 | ······</p> |
| 330 | <p>Copyright·©·1996-202 | 330 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 331 | ····</footer> | 331 | ····</footer> |
| 332 | ··</div> | 332 | ··</div> |
| 333 | </main> | 333 | </main> |
| 334 | </div> | 334 | </div> |
| 335 | <script> | 335 | <script> |
| 336 | ··function·mermaidLoaded()·{ | 336 | ··function·mermaidLoaded()·{ |
| 337 | ····mermaid.initialize({ | 337 | ····mermaid.initialize({ |
| Offset 1204, 15 lines modified | Offset 1204, 15 lines modified | ||
| 1204 | ······<p·class="built-using"> | 1204 | ······<p·class="built-using"> |
| 1205 | ········Built·using | 1205 | ········Built·using |
| 1206 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1206 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1207 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1207 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1208 | ······</p> | 1208 | ······</p> |
| 1209 | <p>Copyright·©·1996-202 | 1209 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1210 | ····</footer> | 1210 | ····</footer> |
| 1211 | ··</div> | 1211 | ··</div> |
| 1212 | </main> | 1212 | </main> |
| 1213 | </div> | 1213 | </div> |
| 1214 | <script> | 1214 | <script> |
| 1215 | ··function·mermaidLoaded()·{ | 1215 | ··function·mermaidLoaded()·{ |
| 1216 | ····mermaid.initialize({ | 1216 | ····mermaid.initialize({ |
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| 176 | running·its·file·server·as·slave·to·the·file·server·of·another·node,·and·the | 176 | running·its·file·server·as·slave·to·the·file·server·of·another·node,·and·the |
| 177 | other·node·runs·on·some·other·host·machine,·they·can·have·different·file | 177 | other·node·runs·on·some·other·host·machine,·they·can·have·different·file |
| 178 | systems.·However,·this·is·seldom·a·problem.</p></section><p><a·href="#open/2"><code·class="inline">open/2</code></a>·can·be·given·the·options·<code·class="inline">delayed_write</code>·and·<code·class="inline">read_ahead</code>·to·turn·on | 178 | systems.·However,·this·is·seldom·a·problem.</p></section><p><a·href="#open/2"><code·class="inline">open/2</code></a>·can·be·given·the·options·<code·class="inline">delayed_write</code>·and·<code·class="inline">read_ahead</code>·to·turn·on |
| 179 | caching,·which·will·reduce·the·number·of·operating·system·calls·and·greatly | 179 | caching,·which·will·reduce·the·number·of·operating·system·calls·and·greatly |
| 180 | improve·performance·for·small·reads·and·writes.·However,·the·overhead·won't | 180 | improve·performance·for·small·reads·and·writes.·However,·the·overhead·won't |
| 181 | disappear·completely·and·it's·best·to·keep·the·number·of·file·operations·to·a | 181 | disappear·completely·and·it's·best·to·keep·the·number·of·file·operations·to·a |
| 182 | minimum.·As·a·contrived·example,·the·following·function·writes·4MB·in·2.5 | 182 | minimum.·As·a·contrived·example,·the·following·function·writes·4MB·in·2.5 |
| 183 | seconds·when·tested:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">create_file_slow</span><span·class="p"·data-group-id=" | 183 | seconds·when·tested:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">create_file_slow</span><span·class="p"·data-group-id="1302391477-1">(</span><span·class="n">Name</span><span·class="p"·data-group-id="1302391477-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 184 | ····</span><span·class="p"·data-group-id=" | 184 | ····</span><span·class="p"·data-group-id="1302391477-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="1302391477-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·612,·SHA:·a8f14ec72861619c51c76fed68793e7f365981ae702f2cc0797f8c297f276e08·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 185 | ····</span><span·class="nf">create_file_slow_1</span><span·class="p"·data-group-id=" | 185 | ····</span><span·class="nf">create_file_slow_1</span><span·class="p"·data-group-id="1302391477-5">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">4</span><span·class="w">·</span><span·class="ow">bsl</span><span·class="w">·</span><span·class="mi">20</span><span·class="p"·data-group-id="1302[·...·truncated·by·diffoscope;·len:·6,·SHA:·54cde5c7825eb90d626d8c1a738cab21dbafd95958575b6cc433c47a781f6e0b·...·]-5">)</span><span·class="p">,</span><span·class="w"> |
| 186 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 186 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="1302391477-6">(</span><span·class="n">Fd</span><span·class="p"·data-group-id="1302391477-6">)</span><span·class="p">.</span><span·class="w"> |
| 187 | </span><span·class="nf">create_file_slow_1</span><span·class="p"·data-group-id=" | 187 | </span><span·class="nf">create_file_slow_1</span><span·class="p"·data-group-id="1302391477-7">(</span><span·class="p">_</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="1302391477-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 188 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 188 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 189 | </span><span·class="nf">create_file_slow_1</span><span·class="p"·data-group-id=" | 189 | </span><span·class="nf">create_file_slow_1</span><span·class="p"·data-group-id="1302391477-8">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="p"·data-group-id="1302391477-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 190 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 190 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="1302391477-9">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1302391477-10"><<</span><span·class="mi">0</span><span·class="p"·data-group-id="1302391477-10">>></span><span·class="p[·...·truncated·by·diffoscope;·len:·27,·SHA:·50990dcbefe93d9fb81c572f2c8bec712eeac19426abf33fb10bfdcaeb0ebc48·...·]-9">)</span><span·class="p">,</span><span·class="w"> |
| 191 | ····</span><span·class="nf">create_file_slow_1</span><span·class="p"·data-group-id=" | 191 | ····</span><span·class="nf">create_file_slow_1</span><span·class="p"·data-group-id="1302391477-11">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="13023914[·...·truncated·by·diffoscope;·len:·2,·SHA:·a88a7902cb4ef697ba0b6759c50e8c10297ff58f942243de19b984841bfe1f73·...·]-11">)</span><span·class="p">.</span></code></pre><p>The·following·functionally·equivalent·code·writes·128·bytes·per·call·to |
| 192 | <a·href="#write/2"><code·class="inline">write/2</code></a>·and·so·does·the·same·work·in·0.08·seconds,·which·is·roughly·30·times | 192 | <a·href="#write/2"><code·class="inline">write/2</code></a>·and·so·does·the·same·work·in·0.08·seconds,·which·is·roughly·30·times |
| 193 | faster:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">create_file</span><span·class="p"·data-group-id=" | 193 | faster:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">create_file</span><span·class="p"·data-group-id="3383031355-1">(</span><span·class="n">Name</span><span·class="p"·data-group-id="3383031355-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 194 | ····</span><span·class="p"·data-group-id=" | 194 | ····</span><span·class="p"·data-group-id="3383031355-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="3383031355-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·612,·SHA:·cd3d2521cdbdc3554fa0441d6598ffe282d4024c574eb4e9ca3d8d92753f2e24·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 195 | ····</span><span·class="nf">create_file_1</span><span·class="p"·data-group-id=" | 195 | ····</span><span·class="nf">create_file_1</span><span·class="p"·data-group-id="3383031355-5">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">4</span><span·class="w">·</span><span·class="ow">bsl</span><span·class="w">·</span><span·class="mi">20</span><span·class="p"·data-group-id="3383[·...·truncated·by·diffoscope;·len:·6,·SHA:·debff8642064e2fd020cca70236e62d10f4a2ee6d7f5362cfb06100ec72d0e84·...·]-5">)</span><span·class="p">,</span><span·class="w"> |
| 196 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 196 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="3383031355-6">(</span><span·class="n">Fd</span><span·class="p"·data-group-id="3383031355-6">)</span><span·class="p">,</span><span·class="w"> |
| 197 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 197 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 198 | </span><span·class="nf">create_file_1</span><span·class="p"·data-group-id=" | 198 | </span><span·class="nf">create_file_1</span><span·class="p"·data-group-id="3383031355-7">(</span><span·class="p">_</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="3383031355-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 199 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 199 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 200 | </span><span·class="nf">create_file_1</span><span·class="p"·data-group-id=" | 200 | </span><span·class="nf">create_file_1</span><span·class="p"·data-group-id="3383031355-8">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="p"·data-group-id="3383031355-8">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">M</span><span·class="w">·</span><span·class="o">>=</span><span·class="w">·</span><span·class="mi">128</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 201 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 201 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="3383031355-9">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3383031355-10"><<</span><span·class="mi">0</span><span·class="p">:</span><span·class="p"·data-group-id="3383031355-11">(</sp[·...·truncated·by·diffoscope;·len:·287,·SHA:·bdb75a418a12bb85bbd84a5fb763a4e21f6a8421f6f67c9cb93a19a7b04a77f2·...·]-9">)</span><span·class="p">,</span><span·class="w"> |
| 202 | ····</span><span·class="nf">create_file_1</span><span·class="p"·data-group-id=" | 202 | ····</span><span·class="nf">create_file_1</span><span·class="p"·data-group-id="3383031355-12">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">128</span><span·class="p"·data-group-id="338303[·...·truncated·by·diffoscope;·len:·4,·SHA:·a5a3f1ccc4741c42447995965e354b5e4372895fb8e88b50c90cba84ea668ef2·...·]-12">)</span><span·class="p">;</span><span·class="w"> |
| 203 | </span><span·class="nf">create_file_1</span><span·class="p"·data-group-id=" | 203 | </span><span·class="nf">create_file_1</span><span·class="p"·data-group-id="3383031355-13">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="p"·data-group-id="3383031355-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 204 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="3383031355-14">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3383031355-15"><<</span><span·class="mi">0</span><span·class="p">:</span><span·class="p"·data-group-id="3383031355-16">(</s[·...·truncated·by·diffoscope;·len:·285,·SHA:·bf5872986228498469f6d735dd330dc0adf2caa45d1f05039e1535fdc0ff3342·...·]-14">)</span><span·class="p">,</span><span·class="w"> |
| 205 | ····</span><span·class="nf">create_file_1</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="nf">create_file_1</span><span·class="p"·data-group-id="3383031355-17">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="33830313[·...·truncated·by·diffoscope;·len:·2,·SHA:·02d20bbd7e394ad5999a4cebabac9619732c343a4cac99470c03e23ba2bdc2bc·...·]-17">)</span><span·class="p">.</span></code></pre><p>When·writing·data·it's·generally·more·efficient·to·write·a·list·of·binaries |
| 206 | rather·than·a·list·of·integers.·It·is·not·needed·to·flatten·a·deep·list·before | 206 | rather·than·a·list·of·integers.·It·is·not·needed·to·flatten·a·deep·list·before |
| 207 | writing.·On·Unix·hosts,·scatter·output,·which·writes·a·set·of·buffers·in·one | 207 | writing.·On·Unix·hosts,·scatter·output,·which·writes·a·set·of·buffers·in·one |
| 208 | operation,·is·used·when·possible.·In·this·way | 208 | operation,·is·used·when·possible.·In·this·way |
| 209 | <a·href="#write/2"><code·class="inline">write(FD,·[Bin1,·Bin2·|·Bin3])</code></a>·writes·the·contents·of·the | 209 | <a·href="#write/2"><code·class="inline">write(FD,·[Bin1,·Bin2·|·Bin3])</code></a>·writes·the·contents·of·the |
| 210 | binaries·without·copying·the·data·at·all,·except·for·perhaps·deep·down·in·the | 210 | binaries·without·copying·the·data·at·all,·except·for·perhaps·deep·down·in·the |
| 211 | operating·system·kernel.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>If·an·error·occurs·when·accessing·an·open·file·with·module·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html"><code·class="inline">io</code></a>,·the·process | 211 | operating·system·kernel.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>If·an·error·occurs·when·accessing·an·open·file·with·module·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html"><code·class="inline">io</code></a>,·the·process |
| 212 | handling·the·file·exits.·The·dead·file·process·can·hang·if·a·process·tries·to | 212 | handling·the·file·exits.·The·dead·file·process·can·hang·if·a·process·tries·to |
| Offset 1956, 16 lines modified | Offset 1956, 16 lines modified | ||
| 1956 | ······</div> | 1956 | ······</div> |
| 1957 | <p>Reads·Erlang·terms,·separated·by·<code·class="inline">.</code>,·from·<code·class="inline">Filename</code>.·Returns·one·of·the | 1957 | <p>Reads·Erlang·terms,·separated·by·<code·class="inline">.</code>,·from·<code·class="inline">Filename</code>.·Returns·one·of·the |
| 1958 | following:</p><ul><li><p><strong><code·class="inline">{ok,·Terms}</code></strong>·-·The·file·was·successfully·read.</p></li><li><p><strong><code·class="inline">{error,·atom()}</code></strong>·-·An·error·occurred·when·opening·the·file·or·reading·it. | 1958 | following:</p><ul><li><p><strong><code·class="inline">{ok,·Terms}</code></strong>·-·The·file·was·successfully·read.</p></li><li><p><strong><code·class="inline">{error,·atom()}</code></strong>·-·An·error·occurred·when·opening·the·file·or·reading·it. |
| 1959 | For·a·list·of·typical·error·codes,·see·<a·href="#open/2"><code·class="inline">open/2</code></a>.</p></li><li><p><strong><code·class="inline">{error,·{Line,·Mod,·Term}}</code></strong>·-·An·error·occurred·when·interpreting·the | 1959 | For·a·list·of·typical·error·codes,·see·<a·href="#open/2"><code·class="inline">open/2</code></a>.</p></li><li><p><strong><code·class="inline">{error,·{Line,·Mod,·Term}}</code></strong>·-·An·error·occurred·when·interpreting·the |
| 1960 | Erlang·terms·in·the·file.·To·convert·the·three-element·tuple·to·an·English | 1960 | Erlang·terms·in·the·file.·To·convert·the·three-element·tuple·to·an·English |
| 1961 | description·of·the·error,·use·<a·href="#format_error/1"><code·class="inline">format_error/1</code></a>.</p></li></ul><p><em>Example:</em></p><pre><code·class="text">f.txt:··{person,·"kalle",·25}. | 1961 | description·of·the·error,·use·<a·href="#format_error/1"><code·class="inline">format_error/1</code></a>.</p></li></ul><p><em>Example:</em></p><pre><code·class="text">f.txt:··{person,·"kalle",·25}. |
| 1962 | ········{person,·"pelle",·30}.</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">consult</span><span·class="p"·data-group-id=" | 1962 | ········{person,·"pelle",·30}.</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">consult</span><span·class="p"·data-group-id="5970367796-1">(</span><span·class="s">"f.txt"</span><span·class="p"·data-group-id="5970367796-1">)</span><span·class="p">.</span><span·class="w"> |
| 1963 | </span><span·class="p"·data-group-id=" | 1963 | </span><span·class="p"·data-group-id="5970367796-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="5970367796-3">[</span><span·class="p"·data-group-id="5970367796-4">{</span><span·class="ss">person</span><span·class="p">,</span><span·class="s">"ka[·...·truncated·by·diffoscope;·len:·487,·SHA:·0b2709db495470971e6504d2abeef88a1f78b3db04566a5a3aba1c93feaec1ee·...·]-2">}</span></code></pre><p>The·encoding·of·<code·class="inline">Filename</code>·can·be·set·by·a·comment,·as·described·in |
| 1964 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/epp.html#encoding"><code·class="inline">epp</code></a>.</p> | 1964 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/epp.html#encoding"><code·class="inline">epp</code></a>.</p> |
| 1965 | ··</section> | 1965 | ··</section> |
| 1966 | </section> | 1966 | </section> |
| 1967 | <section·class="detail"·id="copy/2"> | 1967 | <section·class="detail"·id="copy/2"> |
| 1968 | ··<div·class="detail-header"> | 1968 | ··<div·class="detail-header"> |
| 1969 | ····<a·href="#copy/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1969 | ····<a·href="#copy/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 3246, 15 lines modified | Offset 3246, 15 lines modified | ||
| 3246 | ····························FileInfo·::·<a·href="#t:file_info/0">file_info</a>(), | 3246 | ····························FileInfo·::·<a·href="#t:file_info/0">file_info</a>(), |
| 3247 | ····························Reason·::·<a·href="#t:posix/0">posix</a>()·|·badarg.</pre> | 3247 | ····························Reason·::·<a·href="#t:posix/0">posix</a>()·|·badarg.</pre> |
| 3248 | ······</div> | 3248 | ······</div> |
| 3249 | <p>Retrieves·information·about·a·file.·Returns·<code·class="inline">{ok,·FileInfo}</code>·if·successful, | 3249 | <p>Retrieves·information·about·a·file.·Returns·<code·class="inline">{ok,·FileInfo}</code>·if·successful, |
| 3250 | otherwise·<code·class="inline">{error,·Reason}</code>.</p><p><code·class="inline">FileInfo</code>·is·a·record·<code·class="inline">file_info</code>,·defined·in·the·Kernel·include·file·<code·class="inline">file.hrl</code>. | 3250 | otherwise·<code·class="inline">{error,·Reason}</code>.</p><p><code·class="inline">FileInfo</code>·is·a·record·<code·class="inline">file_info</code>,·defined·in·the·Kernel·include·file·<code·class="inline">file.hrl</code>. |
| 3251 | Include·the·following·directive·in·the·module·from·which·the·function·is·called:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 3251 | Include·the·following·directive·in·the·module·from·which·the·function·is·called:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="5161559159-1">(</span><span·class="s">"kernel/include/file.hrl"</span><span·class="p"·data-group-id="5161559159-1">)</span><span·class="p">.</span></code></pre><p>The·time·type·returned·in·<code·class="inline">atime</code>,·<code·class="inline">mtime</code>,·and·<code·class="inline">ctime</code>·is·dependent·on·the·time |
| 3252 | type·set·in·<code·class="inline">Opts·::·{time,·Type}</code>·as·follows:</p><ul><li><p><strong><code·class="inline">local</code></strong>·-·Returns·local·time.</p></li><li><p><strong><code·class="inline">universal</code></strong>·-·Returns·universal·time.</p></li><li><p><strong><code·class="inline">posix</code></strong>·-·Returns·seconds·since·or·before·Unix·time·epoch,·which·is | 3252 | type·set·in·<code·class="inline">Opts·::·{time,·Type}</code>·as·follows:</p><ul><li><p><strong><code·class="inline">local</code></strong>·-·Returns·local·time.</p></li><li><p><strong><code·class="inline">universal</code></strong>·-·Returns·universal·time.</p></li><li><p><strong><code·class="inline">posix</code></strong>·-·Returns·seconds·since·or·before·Unix·time·epoch,·which·is |
| 3253 | 1970-01-01·00:00·UTC.</p></li></ul><p>Default·is·<code·class="inline">{time,·local}</code>.</p><p>If·the·option·<code·class="inline">raw</code>·is·set,·the·file·server·is·not·called·and·only·information | 3253 | 1970-01-01·00:00·UTC.</p></li></ul><p>Default·is·<code·class="inline">{time,·local}</code>.</p><p>If·the·option·<code·class="inline">raw</code>·is·set,·the·file·server·is·not·called·and·only·information |
| 3254 | about·local·files·is·returned.·Note·that·this·will·break·this·module's·atomicity | 3254 | about·local·files·is·returned.·Note·that·this·will·break·this·module's·atomicity |
| 3255 | guarantees·as·it·can·race·with·a·concurrent·call·to | 3255 | guarantees·as·it·can·race·with·a·concurrent·call·to |
| 3256 | <a·href="#write_file_info/2"><code·class="inline">write_file_info/1,2</code>·</a>.</p><p>This·option·has·no·effect·when·the·function·is·given·an·I/O·device·instead·of·a | 3256 | <a·href="#write_file_info/2"><code·class="inline">write_file_info/1,2</code>·</a>.</p><p>This·option·has·no·effect·when·the·function·is·given·an·I/O·device·instead·of·a |
| 3257 | file·name.·Use·<a·href="#open/2"><code·class="inline">open/2</code></a>·with·the·<code·class="inline">raw</code>·mode·to·obtain·a·file·descriptor·first.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>As·file·times·are·stored·in·POSIX·time·on·most·OS,·it·is·faster·to·query·file | 3257 | file·name.·Use·<a·href="#open/2"><code·class="inline">open/2</code></a>·with·the·<code·class="inline">raw</code>·mode·to·obtain·a·file·descriptor·first.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>As·file·times·are·stored·in·POSIX·time·on·most·OS,·it·is·faster·to·query·file |
| 3258 | information·with·option·<code·class="inline">posix</code>.</p></section><p>The·record·<code·class="inline">file_info</code>·contains·the·following·fields:</p><ul><li><p><strong><code·class="inline">size·=</code>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></strong>·-·Size·of·file·in·bytes.</p></li><li><p><strong><code·class="inline">type·=·device·|·directory·|·other·|·regular</code></strong>·-·The·type·of·the·file.·Can | 3258 | information·with·option·<code·class="inline">posix</code>.</p></section><p>The·record·<code·class="inline">file_info</code>·contains·the·following·fields:</p><ul><li><p><strong><code·class="inline">size·=</code>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></strong>·-·Size·of·file·in·bytes.</p></li><li><p><strong><code·class="inline">type·=·device·|·directory·|·other·|·regular</code></strong>·-·The·type·of·the·file.·Can |
| Offset 3900, 15 lines modified | Offset 3900, 15 lines modified | ||
| 3900 | ·····························Reason·::·<a·href="#t:posix/0">posix</a>()·|·badarg.</pre> | 3900 | ·····························Reason·::·<a·href="#t:posix/0">posix</a>()·|·badarg.</pre> |
| 3901 | ······</div> | 3901 | ······</div> |
| 3902 | <p>Changes·file·information.·Returns·<code·class="inline">ok</code>·if·successful,·otherwise | 3902 | <p>Changes·file·information.·Returns·<code·class="inline">ok</code>·if·successful,·otherwise |
| 3903 | <code·class="inline">{error,·Reason}</code>.</p><p><code·class="inline">FileInfo</code>·is·a·record·<code·class="inline">file_info</code>,·defined·in·the·Kernel | 3903 | <code·class="inline">{error,·Reason}</code>.</p><p><code·class="inline">FileInfo</code>·is·a·record·<code·class="inline">file_info</code>,·defined·in·the·Kernel |
| 3904 | include·file·<code·class="inline">file.hrl</code>.·Include·the·following·directive·in·the·module·from | 3904 | include·file·<code·class="inline">file.hrl</code>.·Include·the·following·directive·in·the·module·from |
| 3905 | which·the·function·is·called:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 3905 | which·the·function·is·called:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="4673014323-1">(</span><span·class="s">"kernel/include/file.hrl"</span><span·class="p"·data-group-id="4673014323-1">)</span><span·class="p">.</span></code></pre><p>The·time·type·set·in·<code·class="inline">atime</code>,·<code·class="inline">mtime</code>,·and·<code·class="inline">ctime</code>·depends·on·the·time·type·set |
| 3906 | in·<code·class="inline">Opts·::·{time,·Type}</code>·as·follows:</p><ul><li><p><strong><code·class="inline">local</code></strong>·-·Interprets·the·time·set·as·local.</p></li><li><p><strong><code·class="inline">universal</code></strong>·-·Interprets·it·as·universal·time.</p></li><li><p><strong><code·class="inline">posix</code></strong>·-·Must·be·seconds·since·or·before·Unix·time·epoch,·which·is | 3906 | in·<code·class="inline">Opts·::·{time,·Type}</code>·as·follows:</p><ul><li><p><strong><code·class="inline">local</code></strong>·-·Interprets·the·time·set·as·local.</p></li><li><p><strong><code·class="inline">universal</code></strong>·-·Interprets·it·as·universal·time.</p></li><li><p><strong><code·class="inline">posix</code></strong>·-·Must·be·seconds·since·or·before·Unix·time·epoch,·which·is |
| 3907 | 1970-01-01·00:00·UTC.</p></li></ul><p>Default·is·<code·class="inline">{time,·local}</code>.</p><p>If·the·option·<code·class="inline">raw</code>·is·set,·the·file·server·is·not·called·and·only·information | 3907 | 1970-01-01·00:00·UTC.</p></li></ul><p>Default·is·<code·class="inline">{time,·local}</code>.</p><p>If·the·option·<code·class="inline">raw</code>·is·set,·the·file·server·is·not·called·and·only·information |
| 3908 | about·local·files·is·returned.</p><p>The·following·fields·are·used·from·the·record,·if·they·are·specified:</p><ul><li><p><strong><code·class="inline">atime·=</code>·<a·href="#t:date_time/0"><code·class="inline">date_time/0</code></a>·<code·class="inline">|</code>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></strong>·-·The·last·time·the·file·was | 3908 | about·local·files·is·returned.</p><p>The·following·fields·are·used·from·the·record,·if·they·are·specified:</p><ul><li><p><strong><code·class="inline">atime·=</code>·<a·href="#t:date_time/0"><code·class="inline">date_time/0</code></a>·<code·class="inline">|</code>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></strong>·-·The·last·time·the·file·was |
| 3909 | read.</p></li><li><p><strong><code·class="inline">mtime·=</code>·<a·href="#t:date_time/0"><code·class="inline">date_time/0</code></a>·<code·class="inline">|</code>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></strong>·-·The·last·time·the·file·was | 3909 | read.</p></li><li><p><strong><code·class="inline">mtime·=</code>·<a·href="#t:date_time/0"><code·class="inline">date_time/0</code></a>·<code·class="inline">|</code>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></strong>·-·The·last·time·the·file·was |
| 3910 | written.</p></li><li><p><strong><code·class="inline">ctime·=</code>·<a·href="#t:date_time/0"><code·class="inline">date_time/0</code></a>·<code·class="inline">|</code>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></strong>·-·On·Unix,·any·value | 3910 | written.</p></li><li><p><strong><code·class="inline">ctime·=</code>·<a·href="#t:date_time/0"><code·class="inline">date_time/0</code></a>·<code·class="inline">|</code>·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0"><code·class="inline">non_neg_integer/0</code></a></strong>·-·On·Unix,·any·value |
| 3911 | specified·for·this·field·is·ignored·(the·"ctime"·for·the·file·is·set·to·the | 3911 | specified·for·this·field·is·ignored·(the·"ctime"·for·the·file·is·set·to·the |
| 3912 | current·time).·On·Windows,·this·field·is·the·new·creation·time·to·set·for·the | 3912 | current·time).·On·Windows,·this·field·is·the·new·creation·time·to·set·for·the |
| Offset 3942, 15 lines modified | Offset 3942, 15 lines modified | ||
| 3942 | ······<p·class="built-using"> | 3942 | ······<p·class="built-using"> |
| 3943 | ········Built·using | 3943 | ········Built·using |
| 3944 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3944 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3945 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3945 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3946 | ······</p> | 3946 | ······</p> |
| 3947 | <p>Copyright·©·1996-202 | 3947 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3948 | ····</footer> | 3948 | ····</footer> |
| 3949 | ··</div> | 3949 | ··</div> |
| 3950 | </main> | 3950 | </main> |
| 3951 | </div> | 3951 | </div> |
| 3952 | <script> | 3952 | <script> |
| 3953 | ··function·mermaidLoaded()·{ | 3953 | ··function·mermaidLoaded()·{ |
| 3954 | ····mermaid.initialize({ | 3954 | ····mermaid.initialize({ |
| Offset 132, 15 lines modified | Offset 132, 15 lines modified | ||
| 132 | The·implementation·assumes·that·the·OS·kernel·supports·SCTP | 132 | The·implementation·assumes·that·the·OS·kernel·supports·SCTP |
| 133 | <a·href="http://www.rfc-archive.org/getrfc.php?rfc=2960">(RFC·2960)</a> | 133 | <a·href="http://www.rfc-archive.org/getrfc.php?rfc=2960">(RFC·2960)</a> |
| 134 | through·the·user-level | 134 | through·the·user-level |
| 135 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions</a>.</p><p>During·development,·this·implementation·was·tested·on:</p><ul><li>Linux·Fedora·Core·5.0·(kernel·2.6.15-2054·or·later·is·needed)</li><li>Solaris·10,·11</li></ul><p>During·OTP·adaptation·it·was·tested·on:</p><ul><li>SUSE·Linux·Enterprise·Server·10·(x86_64)·kernel·2.6.16.27-0.6-smp,·with | 135 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions</a>.</p><p>During·development,·this·implementation·was·tested·on:</p><ul><li>Linux·Fedora·Core·5.0·(kernel·2.6.15-2054·or·later·is·needed)</li><li>Solaris·10,·11</li></ul><p>During·OTP·adaptation·it·was·tested·on:</p><ul><li>SUSE·Linux·Enterprise·Server·10·(x86_64)·kernel·2.6.16.27-0.6-smp,·with |
| 136 | lksctp-tools-1.0.6</li><li>Briefly·on·Solaris·10</li><li>SUSE·Linux·Enterprise·Server·10·Service·Pack·1·(x86_64)·kernel | 136 | lksctp-tools-1.0.6</li><li>Briefly·on·Solaris·10</li><li>SUSE·Linux·Enterprise·Server·10·Service·Pack·1·(x86_64)·kernel |
| 137 | 2.6.16.54-0.2.3-smp·with·lksctp-tools-1.0.7</li><li>FreeBSD·8.2</li></ul><p>This·module·was·written·for·one-to-many·style·sockets·(type·<code·class="inline">seqpacket</code>). | 137 | 2.6.16.54-0.2.3-smp·with·lksctp-tools-1.0.7</li><li>FreeBSD·8.2</li></ul><p>This·module·was·written·for·one-to-many·style·sockets·(type·<code·class="inline">seqpacket</code>). |
| 138 | With·the·addition·of·<a·href="#peeloff/2"><code·class="inline">peeloff/2</code></a>,·one-to-one·style·sockets·(type·<code·class="inline">stream</code>) | 138 | With·the·addition·of·<a·href="#peeloff/2"><code·class="inline">peeloff/2</code></a>,·one-to-one·style·sockets·(type·<code·class="inline">stream</code>) |
| 139 | were·introduced.</p><p>Record·definitions·for·this·module·can·be·found·using:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 139 | were·introduced.</p><p>Record·definitions·for·this·module·can·be·found·using:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="5849410220-1">(</span><span·class="s">"kernel/include/inet_sctp.hrl"</span><span·class="p"·data-group-id="5849410220-1">)</span><span·class="p">.</span></code></pre><p>These·record·definitions·use·the·"new"·spelling·'adaptation', |
| 140 | not·the·deprecated·'adaption',·regardless·of·which·spelling | 140 | not·the·deprecated·'adaption',·regardless·of·which·spelling |
| 141 | the·underlying·C·API·uses.</p><h2·id="module-sctp-socket-options"·class="section-heading"> | 141 | the·underlying·C·API·uses.</p><h2·id="module-sctp-socket-options"·class="section-heading"> |
| 142 | ··<a·href="#module-sctp-socket-options"·class="hover-link"> | 142 | ··<a·href="#module-sctp-socket-options"·class="hover-link"> |
| 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 144 | ··</a> | 144 | ··</a> |
| 145 | ··<span·class="text"><a·href=""·id="options"></a>·SCTP·Socket·Options</span> | 145 | ··<span·class="text"><a·href=""·id="options"></a>·SCTP·Socket·Options</span> |
| 146 | </h2> | 146 | </h2> |
| Offset 180, 39 lines modified | Offset 180, 39 lines modified | ||
| 180 | the·driver·buffer·(see·<code·class="inline">buffer</code>·above).</p></li><li><p><strong><code·class="inline">{recbuf, integer()}</code></strong>·-·The·size,·in·bytes,·of·the·OS·kernel·receive | 180 | the·driver·buffer·(see·<code·class="inline">buffer</code>·above).</p></li><li><p><strong><code·class="inline">{recbuf, integer()}</code></strong>·-·The·size,·in·bytes,·of·the·OS·kernel·receive |
| 181 | buffer·for·this·socket.·Sending·errors·would·occur·for·datagrams | 181 | buffer·for·this·socket.·Sending·errors·would·occur·for·datagrams |
| 182 | larger·than·<code·class="inline">val(recbuf)</code>.·Setting·this·option·also·adjusts·the·size | 182 | larger·than·<code·class="inline">val(recbuf)</code>.·Setting·this·option·also·adjusts·the·size |
| 183 | of·the·driver·buffer·(see·<code·class="inline">buffer</code>·above).</p></li></ul><h3·id="option_non_block_send"><a·href=""></a></h3><ul><li><p><strong><code·class="inline">{non_block_send, boolean()}</code></strong>·-·A·send·call·that·would·otherwise·block·(hang), | 183 | of·the·driver·buffer·(see·<code·class="inline">buffer</code>·above).</p></li></ul><h3·id="option_non_block_send"><a·href=""></a></h3><ul><li><p><strong><code·class="inline">{non_block_send, boolean()}</code></strong>·-·A·send·call·that·would·otherwise·block·(hang), |
| 184 | will·instead·immediately·return·with·e.g.·<code·class="inline">{error,·eagain}</code> | 184 | will·instead·immediately·return·with·e.g.·<code·class="inline">{error,·eagain}</code> |
| 185 | <em>if</em>·this·option·has·been·set·to·<code·class="inline">true</code>. | 185 | <em>if</em>·this·option·has·been·set·to·<code·class="inline">true</code>. |
| 186 | Defaults·to·<code·class="inline">false</code>.</p></li><li><p><strong><code·class="inline">{sctp_module, module()}</code></strong>·-·Overrides·which·callback·module·is·used. | 186 | Defaults·to·<code·class="inline">false</code>.</p></li><li><p><strong><code·class="inline">{sctp_module, module()}</code></strong>·-·Overrides·which·callback·module·is·used. |
| 187 | Defaults·to·<code·class="inline">inet_sctp</code>·for·IPv4·and·<code·class="inline">inet6_sctp</code>·for·IPv6.</p></li><li><p><strong><code·class="inline">{sctp_rtoinfo, #sctp_rtoinfo{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_rtoinfo</span><span·class="p"·data-group-id=" | 187 | Defaults·to·<code·class="inline">inet_sctp</code>·for·IPv4·and·<code·class="inline">inet6_sctp</code>·for·IPv6.</p></li><li><p><strong><code·class="inline">{sctp_rtoinfo, #sctp_rtoinfo{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_rtoinfo</span><span·class="p"·data-group-id="9853928200-1">{</span><span·class="w"> |
| 188 | ······</span><span·class="ss">assoc_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id=" | 188 | ······</span><span·class="ss">assoc_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id="9853928200-2">(</span><span·class="p"·data-group-id="9853928200-2">)</span><span·class="p">,</span><span·class="w"> |
| 189 | ······</span><span·class="ss">initial</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 189 | ······</span><span·class="ss">initial</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="9853928200-3">(</span><span·class="p"·data-group-id="9853928200-3">)</span><span·class="p">,</span><span·class="w"> |
| 190 | ······</span><span·class="ss">max</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 190 | ······</span><span·class="ss">max</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="9853928200-4">(</span><span·class="p"·data-group-id="9853928200-4">)</span><span·class="p">,</span><span·class="w"> |
| 191 | ······</span><span·class="ss">min</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 191 | ······</span><span·class="ss">min</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="9853928200-5">(</span><span·class="p"·data-group-id="9853928200-5">)</span><span·class="w"> |
| 192 | </span><span·class="p"·data-group-id=" | 192 | </span><span·class="p"·data-group-id="9853928200-1">}</span></code></pre><p>Determines·retransmission·time-out·parameters,·in·milliseconds,·for·the |
| 193 | association(s)·specified·by·<code·class="inline">assoc_id</code>.</p><p><code·class="inline">assoc_id = 0</code>·(default)·indicates·the·whole·endpoint.·See | 193 | association(s)·specified·by·<code·class="inline">assoc_id</code>.</p><p><code·class="inline">assoc_id = 0</code>·(default)·indicates·the·whole·endpoint.·See |
| 194 | <a·href="http://www.rfc-archive.org/getrfc.php?rfc=2960">RFC·2960</a>·and | 194 | <a·href="http://www.rfc-archive.org/getrfc.php?rfc=2960">RFC·2960</a>·and |
| 195 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions·for·SCTP</a> | 195 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions·for·SCTP</a> |
| 196 | for·the·exact·semantics·of·the·field·values.</p></li><li><p><strong><code·class="inline">{sctp_associnfo, #sctp_assocparams{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_assocparams</span><span·class="p"·data-group-id=" | 196 | for·the·exact·semantics·of·the·field·values.</p></li><li><p><strong><code·class="inline">{sctp_associnfo, #sctp_assocparams{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_assocparams</span><span·class="p"·data-group-id="5703606402-1">{</span><span·class="w"> |
| 197 | ······</span><span·class="ss">assoc_id</span><span·class="w">·················</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id=" | 197 | ······</span><span·class="ss">assoc_id</span><span·class="w">·················</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id="5703606402-2">(</span><span·class="p"·data-group-id="5703606402-2">)</span><span·class="p">,</span><span·class="w"> |
| 198 | ······</span><span·class="ss">asocmaxrxt</span><span·class="w">···············</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 198 | ······</span><span·class="ss">asocmaxrxt</span><span·class="w">···············</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5703606402-3">(</span><span·class="p"·data-group-id="5703606402-3">)</span><span·class="p">,</span><span·class="w"> |
| 199 | ······</span><span·class="ss">number_peer_destinations</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 199 | ······</span><span·class="ss">number_peer_destinations</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5703606402-4">(</span><span·class="p"·data-group-id="5703606402-4">)</span><span·class="p">,</span><span·class="w"> |
| 200 | ······</span><span·class="ss">peer_rwnd</span><span·class="w">················</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 200 | ······</span><span·class="ss">peer_rwnd</span><span·class="w">················</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5703606402-5">(</span><span·class="p"·data-group-id="5703606402-5">)</span><span·class="p">,</span><span·class="w"> |
| 201 | ······</span><span·class="ss">local_rwnd</span><span·class="w">···············</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 201 | ······</span><span·class="ss">local_rwnd</span><span·class="w">···············</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5703606402-6">(</span><span·class="p"·data-group-id="5703606402-6">)</span><span·class="p">,</span><span·class="w"> |
| 202 | ······</span><span·class="ss">cookie_life</span><span·class="w">··············</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 202 | ······</span><span·class="ss">cookie_life</span><span·class="w">··············</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5703606402-7">(</span><span·class="p"·data-group-id="5703606402-7">)</span><span·class="w"> |
| 203 | </span><span·class="p"·data-group-id=" | 203 | </span><span·class="p"·data-group-id="5703606402-1">}</span></code></pre><p>Determines·association·parameters·for·the·association(s)·specified·by |
| 204 | <code·class="inline">assoc_id</code>.</p><p><code·class="inline">assoc_id = 0</code>·(default)·indicates·the·whole·endpoint.·See | 204 | <code·class="inline">assoc_id</code>.</p><p><code·class="inline">assoc_id = 0</code>·(default)·indicates·the·whole·endpoint.·See |
| 205 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions·for·SCTP</a> | 205 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions·for·SCTP</a> |
| 206 | for·the·discussion·of·their·semantics.·Rarely·used.</p></li><li><p><strong><code·class="inline">{sctp_initmsg, #sctp_initmsg{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_initmsg</span><span·class="p"·data-group-id=" | 206 | for·the·discussion·of·their·semantics.·Rarely·used.</p></li><li><p><strong><code·class="inline">{sctp_initmsg, #sctp_initmsg{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_initmsg</span><span·class="p"·data-group-id="5241836316-1">{</span><span·class="w"> |
| 207 | ·····</span><span·class="ss">num_ostreams</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 207 | ·····</span><span·class="ss">num_ostreams</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5241836316-2">(</span><span·class="p"·data-group-id="5241836316-2">)</span><span·class="p">,</span><span·class="w"> |
| 208 | ·····</span><span·class="ss">max_instreams</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 208 | ·····</span><span·class="ss">max_instreams</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5241836316-3">(</span><span·class="p"·data-group-id="5241836316-3">)</span><span·class="p">,</span><span·class="w"> |
| 209 | ·····</span><span·class="ss">max_attempts</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 209 | ·····</span><span·class="ss">max_attempts</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5241836316-4">(</span><span·class="p"·data-group-id="5241836316-4">)</span><span·class="p">,</span><span·class="w"> |
| 210 | ·····</span><span·class="ss">max_init_timeo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 210 | ·····</span><span·class="ss">max_init_timeo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="5241836316-5">(</span><span·class="p"·data-group-id="5241836316-5">)</span><span·class="w"> |
| 211 | </span><span·class="p"·data-group-id=" | 211 | </span><span·class="p"·data-group-id="5241836316-1">}</span></code></pre><p>Determines·the·default·parameters·that·this·socket·tries·to·negotiate |
| 212 | with·its·peer·while·establishing·an·association·with·it.·Is·to·be·set·after | 212 | with·its·peer·while·establishing·an·association·with·it.·Is·to·be·set·after |
| 213 | <a·href="#open/1"><code·class="inline">open/*</code></a>·but·before·the·first·<a·href="#connect/4"><code·class="inline">connect/*</code></a>. | 213 | <a·href="#open/1"><code·class="inline">open/*</code></a>·but·before·the·first·<a·href="#connect/4"><code·class="inline">connect/*</code></a>. |
| 214 | <code·class="inline">#sctp_initmsg{}</code>·can·also·be·used·as·ancillary·data·with·the·first·call·of | 214 | <code·class="inline">#sctp_initmsg{}</code>·can·also·be·used·as·ancillary·data·with·the·first·call·of |
| 215 | <a·href="#send/3"><code·class="inline">send/*</code></a>·to·a·new·peer·(when·a·new·association·is·created).</p><ul><li><p><strong><code·class="inline">num_ostreams</code></strong>·-·Number·of·outbound·streams</p></li><li><p><strong><code·class="inline">max_instreams</code></strong>·-·Maximum·number·of·inbound·streams</p></li><li><p><strong><code·class="inline">max_attempts</code></strong>·-·Maximum·retransmissions·while·establishing·an | 215 | <a·href="#send/3"><code·class="inline">send/*</code></a>·to·a·new·peer·(when·a·new·association·is·created).</p><ul><li><p><strong><code·class="inline">num_ostreams</code></strong>·-·Number·of·outbound·streams</p></li><li><p><strong><code·class="inline">max_instreams</code></strong>·-·Maximum·number·of·inbound·streams</p></li><li><p><strong><code·class="inline">max_attempts</code></strong>·-·Maximum·retransmissions·while·establishing·an |
| 216 | association</p></li><li><p><strong><code·class="inline">max_init_timeo</code></strong>·-·Time-out,·in·milliseconds,·for·establishing·an | 216 | association</p></li><li><p><strong><code·class="inline">max_init_timeo</code></strong>·-·Time-out,·in·milliseconds,·for·establishing·an |
| 217 | association</p></li></ul></li><li><p><strong><code·class="inline">{sctp_autoclose, integer()·>=·0}</code></strong>·-·Determines·the·time,·in·seconds, | 217 | association</p></li></ul></li><li><p><strong><code·class="inline">{sctp_autoclose, integer()·>=·0}</code></strong>·-·Determines·the·time,·in·seconds, |
| 218 | after·which·an·idle·association·is·automatically·closed.·<code·class="inline">0</code>·means·that·the | 218 | after·which·an·idle·association·is·automatically·closed.·<code·class="inline">0</code>·means·that·the |
| Offset 221, 239 lines modified | Offset 221, 239 lines modified | ||
| 221 | expense·of·latency.</p></li><li><p><strong><code·class="inline">{sctp_disable_fragments,·true|false}</code></strong>·-·If·<code·class="inline">true</code>,·induces·an·error·on·an | 221 | expense·of·latency.</p></li><li><p><strong><code·class="inline">{sctp_disable_fragments,·true|false}</code></strong>·-·If·<code·class="inline">true</code>,·induces·an·error·on·an |
| 222 | attempt·to·send·a·message·larger·than·the·current·PMTU·size·(which·would | 222 | attempt·to·send·a·message·larger·than·the·current·PMTU·size·(which·would |
| 223 | require·fragmentation/reassembling).·Notice·that·message·fragmentation·does | 223 | require·fragmentation/reassembling).·Notice·that·message·fragmentation·does |
| 224 | not·affect·the·logical·atomicity·of·its·delivery;·this·option·is·provided·for | 224 | not·affect·the·logical·atomicity·of·its·delivery;·this·option·is·provided·for |
| 225 | performance·reasons·only.</p></li><li><p><strong><code·class="inline">{sctp_i_want_mapped_v4_addr, true|false}</code></strong>·-·Turns·on|off·automatic | 225 | performance·reasons·only.</p></li><li><p><strong><code·class="inline">{sctp_i_want_mapped_v4_addr, true|false}</code></strong>·-·Turns·on|off·automatic |
| 226 | mapping·of·IPv4·addresses·into·IPv6·ones·(if·the·socket·address·family·is | 226 | mapping·of·IPv4·addresses·into·IPv6·ones·(if·the·socket·address·family·is |
| 227 | <code·class="inline">AF_INET6</code>).</p></li><li><p><strong><code·class="inline">{sctp_maxseg, integer()}</code></strong>·-·Determines·the·maximum·chunk·size·if·message | 227 | <code·class="inline">AF_INET6</code>).</p></li><li><p><strong><code·class="inline">{sctp_maxseg, integer()}</code></strong>·-·Determines·the·maximum·chunk·size·if·message |
| 228 | fragmentation·is·used.·If·<code·class="inline">0</code>,·the·chunk·size·is·limited·by·the·Path·MTU·only.</p></li><li><p><strong><code·class="inline">{sctp_primary_addr, #sctp_prim{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_prim</span><span·class="p"·data-group-id=" | 228 | fragmentation·is·used.·If·<code·class="inline">0</code>,·the·chunk·size·is·limited·by·the·Path·MTU·only.</p></li><li><p><strong><code·class="inline">{sctp_primary_addr, #sctp_prim{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_prim</span><span·class="p"·data-group-id="2827110871-1">{</span><span·class="w"> |
| 229 | ······</span><span·class="ss">assoc_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id=" | 229 | ······</span><span·class="ss">assoc_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id="2827110871-2">(</span><span·class="p"·data-group-id="2827110871-2">)</span><span·class="p">,</span><span·class="w"> |
| 230 | ······</span><span·class="ss">addr</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 230 | ······</span><span·class="ss">addr</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2827110871-3">{</span><span·class="n">IP</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="2827110871-3">}</span><span·class="w"> |
| 231 | </span><span·class="p"·data-group-id=" | 231 | </span><span·class="p"·data-group-id="2827110871-1">}</span><span·class="w"> |
| 232 | ·</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">ip_address</span><span·class="p"·data-group-id=" | 232 | ·</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">ip_address</span><span·class="p"·data-group-id="2827110871-4">(</span><span·class="p"·data-group-id="2827110871-4">)</span><span·class="w"> |
| 233 | ·</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">port_number</span><span·class="p"·data-group-id=" | 233 | ·</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">port_number</span><span·class="p"·data-group-id="2827110871-5">(</span><span·class="p"·data-group-id="2827110871-5">)</span></code></pre><p>For·the·association·specified·by·<code·class="inline">assoc_id</code>,·<code·class="inline">{IP,Port}</code>·must·be·one·of·the |
| 234 | peer·addresses.·This·option·determines·that·the·specified·address·is·treated | 234 | peer·addresses.·This·option·determines·that·the·specified·address·is·treated |
| 235 | by·the·local·SCTP·stack·as·the·primary·address·of·the·peer.</p></li><li><p><strong><code·class="inline">{sctp_set_peer_primary_addr, #sctp_setpeerprim{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_setpeerprim</span><span·class="p"·data-group-id=" | 235 | by·the·local·SCTP·stack·as·the·primary·address·of·the·peer.</p></li><li><p><strong><code·class="inline">{sctp_set_peer_primary_addr, #sctp_setpeerprim{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_setpeerprim</span><span·class="p"·data-group-id="3305294657-1">{</span><span·class="w"> |
| 236 | ······</span><span·class="ss">assoc_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id=" | 236 | ······</span><span·class="ss">assoc_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id="3305294657-2">(</span><span·class="p"·data-group-id="3305294657-2">)</span><span·class="p">,</span><span·class="w"> |
| 237 | ······</span><span·class="ss">addr</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 237 | ······</span><span·class="ss">addr</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3305294657-3">{</span><span·class="n">IP</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="3305294657-3">}</span><span·class="w"> |
| 238 | </span><span·class="p"·data-group-id=" | 238 | </span><span·class="p"·data-group-id="3305294657-1">}</span><span·class="w"> |
| 239 | ·</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">ip_address</span><span·class="p"·data-group-id=" | 239 | ·</span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">ip_address</span><span·class="p"·data-group-id="3305294657-4">(</span><span·class="p"·data-group-id="3305294657-4">)</span><span·class="w"> |
| 240 | ·</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">port_number</span><span·class="p"·data-group-id=" | 240 | ·</span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">port_number</span><span·class="p"·data-group-id="3305294657-5">(</span><span·class="p"·data-group-id="3305294657-5">)</span></code></pre><p>When·set,·informs·the·peer·to·use·<code·class="inline">{IP, Port}</code>·as·the·primary·address·of·the |
| 241 | local·endpoint·for·the·association·specified·by·<code·class="inline">assoc_id</code>.</p></li><li><p><strong><code·class="inline">{sctp_adaptation_layer, #sctp_setadaptation{}}</code></strong>·<a·href=""·id="option-sctp_adaptation_layer"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_setadaptation</span><span·class="p"·data-group-id=" | 241 | local·endpoint·for·the·association·specified·by·<code·class="inline">assoc_id</code>.</p></li><li><p><strong><code·class="inline">{sctp_adaptation_layer, #sctp_setadaptation{}}</code></strong>·<a·href=""·id="option-sctp_adaptation_layer"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_setadaptation</span><span·class="p"·data-group-id="9851513449-1">{</span><span·class="w"> |
| 242 | ······</span><span·class="ss">adaptation_ind</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 242 | ······</span><span·class="ss">adaptation_ind</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="9851513449-2">(</span><span·class="p"·data-group-id="9851513449-2">)</span><span·class="w"> |
| 243 | </span><span·class="p"·data-group-id=" | 243 | </span><span·class="p"·data-group-id="9851513449-1">}</span></code></pre><p>When·set,·requests·that·the·local·endpoint·uses·the·value·specified·by |
| 244 | <code·class="inline">adaptation_ind</code>·as·the·Adaptation·Indication·parameter·for·establishing | 244 | <code·class="inline">adaptation_ind</code>·as·the·Adaptation·Indication·parameter·for·establishing |
| 245 | new·associations.·For·details,·see | 245 | new·associations.·For·details,·see |
| 246 | <a·href="http://www.rfc-archive.org/getrfc.php?rfc=2960">RFC·2960</a>·and | 246 | <a·href="http://www.rfc-archive.org/getrfc.php?rfc=2960">RFC·2960</a>·and |
| 247 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions·for·SCTP</a>.</p></li><li><p><strong><code·class="inline">{sctp_peer_addr_params, #sctp_paddrparams{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_paddrparams</span><span·class="p"·data-group-id=" | 247 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions·for·SCTP</a>.</p></li><li><p><strong><code·class="inline">{sctp_peer_addr_params, #sctp_paddrparams{}}</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_paddrparams</span><span·class="p"·data-group-id="3994408749-1">{</span><span·class="w"> |
| 248 | ······</span><span·class="ss">assoc_id</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id=" | 248 | ······</span><span·class="ss">assoc_id</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id="3994408749-2">(</span><span·class="p"·data-group-id="3994408749-2">)</span><span·class="p">,</span><span·class="w"> |
| 249 | ······</span><span·class="ss">address</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 249 | ······</span><span·class="ss">address</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3994408749-3">{</span><span·class="n">IP</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="3994408749-3">}</span><span·class="p">,</span><span·class="w"> |
| 250 | ······</span><span·class="ss">hbinterval</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 250 | ······</span><span·class="ss">hbinterval</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="3994408749-4">(</span><span·class="p"·data-group-id="3994408749-4">)</span><span·class="p">,</span><span·class="w"> |
| 251 | ······</span><span·class="ss">pathmaxrxt</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 251 | ······</span><span·class="ss">pathmaxrxt</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="3994408749-5">(</span><span·class="p"·data-group-id="3994408749-5">)</span><span·class="p">,</span><span·class="w"> |
| 252 | ······</span><span·class="ss">pathmtu</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 252 | ······</span><span·class="ss">pathmtu</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="3994408749-6">(</span><span·class="p"·data-group-id="3994408749-6">)</span><span·class="p">,</span><span·class="w"> |
| 253 | ······</span><span·class="ss">sackdelay</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 253 | ······</span><span·class="ss">sackdelay</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="3994408749-7">(</span><span·class="p"·data-group-id="3994408749-7">)</span><span·class="p">,</span><span·class="w"> |
| 254 | ······</span><span·class="ss">flags</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">list</span><span·class="p"·data-group-id=" | 254 | ······</span><span·class="ss">flags</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">list</span><span·class="p"·data-group-id="3994408749-8">(</span><span·class="p"·data-group-id="3994408749-8">)</span><span·class="w"> |
| 255 | </span><span·class="p"·data-group-id=" | 255 | </span><span·class="p"·data-group-id="3994408749-1">}</span><span·class="w"> |
| 256 | </span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">ip_address</span><span·class="p"·data-group-id=" | 256 | </span><span·class="n">IP</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">ip_address</span><span·class="p"·data-group-id="3994408749-9">(</span><span·class="p"·data-group-id="3994408749-9">)</span><span·class="w"> |
| 257 | </span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">port_number</span><span·class="p"·data-group-id=" | 257 | </span><span·class="n">Port</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">port_number</span><span·class="p"·data-group-id="3994408749-10">(</span><span·class="p"·data-group-id="3994408749-10">)</span></code></pre><p>Determines·various·per-address·parameters·for·the·association·specified·by |
| 258 | <code·class="inline">assoc_id</code>·and·the·peer·address·<code·class="inline">address</code>·(the·SCTP·protocol·supports | 258 | <code·class="inline">assoc_id</code>·and·the·peer·address·<code·class="inline">address</code>·(the·SCTP·protocol·supports |
| 259 | multi-homing,·so·more·than·one·address·can·correspond·to·a·specified | 259 | multi-homing,·so·more·than·one·address·can·correspond·to·a·specified |
| 260 | association).</p><ul><li><p><strong><code·class="inline">hbinterval</code></strong>·-·Heartbeat·interval,·in·milliseconds</p></li><li><p><strong><code·class="inline">pathmaxrxt</code></strong>·-·Maximum·number·of·retransmissions·before·this·address·is | 260 | association).</p><ul><li><p><strong><code·class="inline">hbinterval</code></strong>·-·Heartbeat·interval,·in·milliseconds</p></li><li><p><strong><code·class="inline">pathmaxrxt</code></strong>·-·Maximum·number·of·retransmissions·before·this·address·is |
| 261 | considered·unreachable·(and·an·alternative·address·is·selected)</p></li><li><p><strong><code·class="inline">pathmtu</code></strong>·-·Fixed·Path·MTU,·if·automatic·discovery·is·disabled·(see | 261 | considered·unreachable·(and·an·alternative·address·is·selected)</p></li><li><p><strong><code·class="inline">pathmtu</code></strong>·-·Fixed·Path·MTU,·if·automatic·discovery·is·disabled·(see |
| 262 | <code·class="inline">flags</code>·below)</p></li><li><p><strong><code·class="inline">sackdelay</code></strong>·-·Delay,·in·milliseconds,·for·SAC·messages·(if·the·delay·is | 262 | <code·class="inline">flags</code>·below)</p></li><li><p><strong><code·class="inline">sackdelay</code></strong>·-·Delay,·in·milliseconds,·for·SAC·messages·(if·the·delay·is |
| 263 | enabled,·see·<code·class="inline">flags</code>·below)</p></li><li><p><strong><code·class="inline">flags</code></strong>·-·The·following·flags·are·available:</p><ul><li><p><strong><code·class="inline">hb_enable</code></strong>·-·Enables·heartbeat</p></li><li><p><strong><code·class="inline">hb_disable</code></strong>·-·Disables·heartbeat</p></li><li><p><strong><code·class="inline">hb_demand</code></strong>·-·Initiates·heartbeat·immediately</p></li><li><p><strong><code·class="inline">pmtud_enable</code></strong>·-·Enables·automatic·Path·MTU·discovery</p></li><li><p><strong><code·class="inline">pmtud_disable</code></strong>·-·Disables·automatic·Path·MTU·discovery</p></li><li><p><strong><code·class="inline">sackdelay_enable</code></strong>·-·Enables·SAC·delay</p></li><li><p><strong><code·class="inline">sackdelay_disable</code></strong>·-·Disables·SAC·delay</p></li></ul></li></ul></li><li><p><strong><code·class="inline">{sctp_default_send_param, #sctp_sndrcvinfo{}}</code></strong></p><p><a·href=""·id="record-sctp_sndrcvinfo"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_sndrcvinfo</span><span·class="p"·data-group-id=" | 263 | enabled,·see·<code·class="inline">flags</code>·below)</p></li><li><p><strong><code·class="inline">flags</code></strong>·-·The·following·flags·are·available:</p><ul><li><p><strong><code·class="inline">hb_enable</code></strong>·-·Enables·heartbeat</p></li><li><p><strong><code·class="inline">hb_disable</code></strong>·-·Disables·heartbeat</p></li><li><p><strong><code·class="inline">hb_demand</code></strong>·-·Initiates·heartbeat·immediately</p></li><li><p><strong><code·class="inline">pmtud_enable</code></strong>·-·Enables·automatic·Path·MTU·discovery</p></li><li><p><strong><code·class="inline">pmtud_disable</code></strong>·-·Disables·automatic·Path·MTU·discovery</p></li><li><p><strong><code·class="inline">sackdelay_enable</code></strong>·-·Enables·SAC·delay</p></li><li><p><strong><code·class="inline">sackdelay_disable</code></strong>·-·Disables·SAC·delay</p></li></ul></li></ul></li><li><p><strong><code·class="inline">{sctp_default_send_param, #sctp_sndrcvinfo{}}</code></strong></p><p><a·href=""·id="record-sctp_sndrcvinfo"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_sndrcvinfo</span><span·class="p"·data-group-id="1654935382-1">{</span><span·class="w"> |
| 264 | ······</span><span·class="ss">stream</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 264 | ······</span><span·class="ss">stream</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="1654935382-2">(</span><span·class="p"·data-group-id="1654935382-2">)</span><span·class="p">,</span><span·class="w"> |
| 265 | ······</span><span·class="ss">ssn</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 265 | ······</span><span·class="ss">ssn</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="1654935382-3">(</span><span·class="p"·data-group-id="1654935382-3">)</span><span·class="p">,</span><span·class="w"> |
| 266 | ······</span><span·class="ss">flags</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">list</span><span·class="p"·data-group-id=" | 266 | ······</span><span·class="ss">flags</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">list</span><span·class="p"·data-group-id="1654935382-4">(</span><span·class="p"·data-group-id="1654935382-4">)</span><span·class="p">,</span><span·class="w"> |
| 267 | ······</span><span·class="ss">ppid</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 267 | ······</span><span·class="ss">ppid</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="1654935382-5">(</span><span·class="p"·data-group-id="1654935382-5">)</span><span·class="p">,</span><span·class="w"> |
| 268 | ······</span><span·class="ss">context</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 268 | ······</span><span·class="ss">context</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="1654935382-6">(</span><span·class="p"·data-group-id="1654935382-6">)</span><span·class="p">,</span><span·class="w"> |
| 269 | ······</span><span·class="ss">timetolive</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 269 | ······</span><span·class="ss">timetolive</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="1654935382-7">(</span><span·class="p"·data-group-id="1654935382-7">)</span><span·class="p">,</span><span·class="w"> |
| 270 | ······</span><span·class="ss">tsn</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 270 | ······</span><span·class="ss">tsn</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="1654935382-8">(</span><span·class="p"·data-group-id="1654935382-8">)</span><span·class="p">,</span><span·class="w"> |
| 271 | ······</span><span·class="ss">cumtsn</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 271 | ······</span><span·class="ss">cumtsn</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="1654935382-9">(</span><span·class="p"·data-group-id="1654935382-9">)</span><span·class="p">,</span><span·class="w"> |
| 272 | ······</span><span·class="ss">assoc_id</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id=" | 272 | ······</span><span·class="ss">assoc_id</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">assoc_id</span><span·class="p"·data-group-id="1654935382-10">(</span><span·class="p"·data-group-id="1654935382-10">)</span><span·class="w"> |
| 273 | </span><span·class="p"·data-group-id=" | 273 | </span><span·class="p"·data-group-id="1654935382-1">}</span></code></pre><p><code·class="inline">#sctp_sndrcvinfo{}</code>·is·used·both·in·this·socket·option,·and·as |
| 274 | ancillary·data·while·sending·or·receiving·SCTP·messages.·When·set | 274 | ancillary·data·while·sending·or·receiving·SCTP·messages.·When·set |
| 275 | as·an·option,·it·provides·default·values·for·subsequent | 275 | as·an·option,·it·provides·default·values·for·subsequent |
| 276 | <a·href="#send/3"><code·class="inline">send</code></a>·calls·on·the·association·specified·by·<code·class="inline">assoc_id</code>.</p><p><code·class="inline">assoc_id = 0</code>·(default)·indicates·the·whole·endpoint.</p><p>The·following·fields·typically·must·be·specified·by·the·sender:</p><ul><li><p><strong><code·class="inline">sinfo_stream</code></strong>·-·Stream·number·(0-base)·within·the·association·to·send | 276 | <a·href="#send/3"><code·class="inline">send</code></a>·calls·on·the·association·specified·by·<code·class="inline">assoc_id</code>.</p><p><code·class="inline">assoc_id = 0</code>·(default)·indicates·the·whole·endpoint.</p><p>The·following·fields·typically·must·be·specified·by·the·sender:</p><ul><li><p><strong><code·class="inline">sinfo_stream</code></strong>·-·Stream·number·(0-base)·within·the·association·to·send |
| 277 | the·messages·through;</p></li><li><p><strong><code·class="inline">sinfo_flags</code></strong>·-·The·following·flags·are·recognised:</p><ul><li><p><strong><code·class="inline">unordered</code></strong>·-·The·message·is·to·be·sent·unordered</p></li><li><p><strong><code·class="inline">addr_over</code></strong>·-·The·address·specified·in·<a·href="#send/3"><code·class="inline">send</code></a>·overwrites | 277 | the·messages·through;</p></li><li><p><strong><code·class="inline">sinfo_flags</code></strong>·-·The·following·flags·are·recognised:</p><ul><li><p><strong><code·class="inline">unordered</code></strong>·-·The·message·is·to·be·sent·unordered</p></li><li><p><strong><code·class="inline">addr_over</code></strong>·-·The·address·specified·in·<a·href="#send/3"><code·class="inline">send</code></a>·overwrites |
| 278 | the·primary·peer·address</p></li><li><p><strong><code·class="inline">abort</code></strong>·-·Aborts·the·current·association·without·flushing·any·unsent | 278 | the·primary·peer·address</p></li><li><p><strong><code·class="inline">abort</code></strong>·-·Aborts·the·current·association·without·flushing·any·unsent |
| 279 | data</p></li><li><p><strong><code·class="inline">eof</code></strong>·-·Gracefully·shuts·down·the·current·association,·with·flushing | 279 | data</p></li><li><p><strong><code·class="inline">eof</code></strong>·-·Gracefully·shuts·down·the·current·association,·with·flushing |
| 280 | of·unsent·data</p></li></ul><p>Other·fields·are·rarely·used.·For·complete·information,·see | 280 | of·unsent·data</p></li></ul><p>Other·fields·are·rarely·used.·For·complete·information,·see |
| 281 | <a·href="http://www.rfc-archive.org/getrfc.php?rfc=2960">RFC·2960</a>·and | 281 | <a·href="http://www.rfc-archive.org/getrfc.php?rfc=2960">RFC·2960</a>·and |
| 282 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions·for·SCTP</a>.</p></li></ul></li><li><p><strong><code·class="inline">{sctp_events, #sctp_event_subscribe{}}</code></strong>·<a·href=""·id="option-sctp_events"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_event_subscribe</span><span·class="p"·data-group-id="5 | 282 | <a·href="http://tools.ietf.org/html/draft-ietf-tsvwg-sctpsocket-13">Sockets·API·Extensions·for·SCTP</a>.</p></li></ul></li><li><p><strong><code·class="inline">{sctp_events, #sctp_event_subscribe{}}</code></strong>·<a·href=""·id="option-sctp_events"></a></p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">sctp_event_subscribe</span><span·class="p"·data-group-id="5432687037-1">{</span><span·class="w"> |
| 283 | ········</span><span·class="ss">data_io_event</span><span·class="w">··········</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 283 | ········</span><span·class="ss">data_io_event</span><span·class="w">··········</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 284 | ········</span><span·class="ss">association_event</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 284 | ········</span><span·class="ss">association_event</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 285 | ········</span><span·class="ss">address_event</span><span·class="w">··········</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 285 | ········</span><span·class="ss">address_event</span><span·class="w">··········</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 286 | ········</span><span·class="ss">send_failure_event</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 286 | ········</span><span·class="ss">send_failure_event</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 287 | ········</span><span·class="ss">peer_error_event</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 287 | ········</span><span·class="ss">peer_error_event</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 288 | ········</span><span·class="ss">shutdown_event</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 288 | ········</span><span·class="ss">shutdown_event</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 289 | ········</span><span·class="ss">partial_delivery_event</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> | 289 | ········</span><span·class="ss">partial_delivery_event</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w"> |
| 290 | ········</span><span·class="ss">adaptation_layer_event</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="w"> | 290 | ········</span><span·class="ss">adaptation_layer_event</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">false</span><span·class="w"> |
| 291 | </span><span·class="p"·data-group-id="5 | 291 | </span><span·class="p"·data-group-id="5432687037-1">}</span></code></pre><p>This·option·determines·which·<a·href="#sctp-events">SCTP Events</a>·that·are·to·be |
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| 126 | ··</h1> | 126 | ··</h1> |
| 127 | ····<section·id="moduledoc"> | 127 | ····<section·id="moduledoc"> |
| 128 | <p>Interface·to·TCP/IP·sockets.</p><p>This·module·provides·functions·for·communicating·over·TCP/IP | 128 | <p>Interface·to·TCP/IP·sockets.</p><p>This·module·provides·functions·for·communicating·over·TCP/IP |
| 129 | protocol·sockets.</p><p>The·following·code·fragment·is·a·simple·example·of·a·client·connecting·to·a | 129 | protocol·sockets.</p><p>The·following·code·fragment·is·a·simple·example·of·a·client·connecting·to·a |
| 130 | server·at·port·5678,·transferring·a·binary,·and·closing·the·connection:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">client</span><span·class="p"·data-group-id=" | 130 | server·at·port·5678,·transferring·a·binary,·and·closing·the·connection:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">client</span><span·class="p"·data-group-id="9224078000-1">(</span><span·class="p"·data-group-id="9224078000-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 131 | ····</span><span·class="n">SomeHostInNet</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"localhost"</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·to·make·it·runnable·on·one·machine</span><span·class="w"> | 131 | ····</span><span·class="n">SomeHostInNet</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"localhost"</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·to·make·it·runnable·on·one·machine</span><span·class="w"> |
| 132 | ····</span><span·class="p"·data-group-id=" | 132 | ····</span><span·class="p"·data-group-id="9224078000-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Sock</span><span·class="p"·data-group-id="9224078000-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·119,·SHA:·c7a7825480cb16c6f011643351df460cef861f9ffebc07a5be57800d33f462f2·...·]-3">(</span><span·class="n">SomeHostInNet</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">5678</span><span·class="p">,</span><span·class="w"> |
| 133 | ·································</span><span·class="p"·data-group-id=" | 133 | ·································</span><span·class="p"·data-group-id="9224078000-4">[</span><span·class="ss">binary</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9224078000-5">{</span><span·class="ss">packet</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span>[·...·truncated·by·diffoscope;·len:·147,·SHA:·e9d803234dc06dc6d74b99da12161c6b73d30bf4944257a97cb7f94ffb5555fa·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 134 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id=" | 134 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="9224078000-6">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Some·Data"</span><span·class="p"·data-group-id="9224078000-6">)</span><span·class="p">,</span><span·class="w"> |
| 135 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 135 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="9224078000-7">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="9224078000-7">)</span><span·class="p">.</span></code></pre><p>At·the·other·end,·a·server·is·listening·on·port·5678,·accepts·the·connection, |
| 136 | and·receives·the·binary:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">server</span><span·class="p"·data-group-id=" | 136 | and·receives·the·binary:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">server</span><span·class="p"·data-group-id="5198705436-1">(</span><span·class="p"·data-group-id="5198705436-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 137 | ····</span><span·class="p"·data-group-id=" | 137 | ····</span><span·class="p"·data-group-id="5198705436-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">LSock</span><span·class="p"·data-group-id="5198705436-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·534,·SHA:·1098b53ecc64be7705e155fecaeec99f9f0c424991bf02d75be836564cc5d7f2·...·]6-5">}</span><span·class="p">,</span><span·class="w"> |
| 138 | ········································</span><span·class="p"·data-group-id=" | 138 | ········································</span><span·class="p"·data-group-id="5198705436-6">{</span><span·class="ss">active</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="5198705436-6">}</span><span·class="p"·data-group-id="5198705436-4">]</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·19,·SHA:·f18bd6e35001baf55ad1c60e71b07b2f9fb1f167297ff2f5a715c7ab11c870eb·...·]6-3">)</span><span·class="p">,</span><span·class="w"> |
| 139 | ····</span><span·class="p"·data-group-id=" | 139 | ····</span><span·class="p"·data-group-id="5198705436-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Sock</span><span·class="p"·data-group-id="5198705436-7">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·198,·SHA:·4b9fffc1f53a26f038d1ee73fd8ef2209c915d858e572c53a29ab2c63089010c·...·]6-8">)</span><span·class="p">,</span><span·class="w"> |
| 140 | ····</span><span·class="p"·data-group-id=" | 140 | ····</span><span·class="p"·data-group-id="5198705436-9">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bin</span><span·class="p"·data-group-id="5198705436-9">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·299,·SHA:·79e3014dd398d6fe7d3ddbec16dd36400b3dd4be4907c6ca11711c871688a52f·...·]6-10">)</span><span·class="p">,</span><span·class="w"> |
| 141 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 141 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="5198705436-12">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="5198705436-12">)</span><span·class="p">,</span><span·class="w"> |
| 142 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 142 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="5198705436-13">(</span><span·class="n">LSock</span><span·class="p"·data-group-id="5198705436-13">)</span><span·class="p">,</span><span·class="w"> |
| 143 | ····</span><span·class="n">Bin</span><span·class="p">.</span><span·class="w"> | 143 | ····</span><span·class="n">Bin</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="nf">do_recv</span><span·class="p"·data-group-id=" | 144 | </span><span·class="nf">do_recv</span><span·class="p"·data-group-id="5198705436-14">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bs</span><span·class="p"·data-group-id="5198705436-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 145 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id=" | 145 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id="5198705436-15">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="5198705436-15">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 146 | ········</span><span·class="p"·data-group-id=" | 146 | ········</span><span·class="p"·data-group-id="5198705436-16">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">B</span><span·class="p"·data-group-id="5198705436-16">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 147 | ············</span><span·class="nf">do_recv</span><span·class="p"·data-group-id=" | 147 | ············</span><span·class="nf">do_recv</span><span·class="p"·data-group-id="5198705436-17">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5198705436-18">[</span><span·class="n">Bs</span><span·class="p">,</span><span·class="w">·</span><span·class="n">B</span><span·c[·...·truncated·by·diffoscope;·len:·87,·SHA:·0b740ff407b19c656fad2b8efd68743ac2edac427e8043389b0a1351d0bca281·...·]6-17">)</span><span·class="p">;</span><span·class="w"> |
| 148 | ········</span><span·class="p"·data-group-id="7339562476-19">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">closed</span><span·class="p"·data-group-id="7339562476-19">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 149 | ········ | 148 | ········</span><span·class="p"·data-group-id="5198705436-19">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">closed</span><span·class="p"·data-group-id="5198705436-19">}</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·11,·SHA:·729ec6a90153422f6d3e5f23f801dfde120453a477458b8201046ba74dbb1028·...·]</span><span·class="w"> |
| 149 | ············</span><span·class="p"·data-group-id="5198705436-20">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">list_to_binary</span><span·class="p"·data-group-id="5198705436-21">(</span><span·class="n">Bs</span><span·class="p"·data-group-id="5198705436-21">)</span><span·class="p"·data-group-id="5198705436-20">}</span><span·class="w"> | ||
| 150 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>For·more·examples,·see·section·<a·href="#module-examples">Examples</a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Functions·that·create·sockets·can·take·an·optional·option; | 150 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>For·more·examples,·see·section·<a·href="#module-examples">Examples</a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Functions·that·create·sockets·can·take·an·optional·option; |
| 151 | <code·class="inline">{inet_backend, Backend}</code>·that,·if·specified,·has·to·be·the·first·option.·This | 151 | <code·class="inline">{inet_backend, Backend}</code>·that,·if·specified,·has·to·be·the·first·option.·This |
| 152 | selects·the·implementation·backend·towards·the·platform's·socket·API.</p><p>This·is·a·<em>temporary</em>·option·that·will·be·ignored·in·a·future·release.</p><p>The·default·is·<code·class="inline">Backend = inet</code>·that·selects·the·traditional·<code·class="inline">inet_drv.c</code> | 152 | selects·the·implementation·backend·towards·the·platform's·socket·API.</p><p>This·is·a·<em>temporary</em>·option·that·will·be·ignored·in·a·future·release.</p><p>The·default·is·<code·class="inline">Backend = inet</code>·that·selects·the·traditional·<code·class="inline">inet_drv.c</code> |
| 153 | driver.·The·other·choice·is·<code·class="inline">Backend = socket</code>·that·selects·the·new·<a·href="socket.html"><code·class="inline">socket</code></a> | 153 | driver.·The·other·choice·is·<code·class="inline">Backend = socket</code>·that·selects·the·new·<a·href="socket.html"><code·class="inline">socket</code></a> |
| 154 | module·and·its·NIF·implementation.</p><p>The·system·default·can·be·changed·when·the·node·is·started·with·the | 154 | module·and·its·NIF·implementation.</p><p>The·system·default·can·be·changed·when·the·node·is·started·with·the |
| 155 | application·<code·class="inline">kernel</code>'s·configuration·variable·<code·class="inline">inet_backend</code>.</p><p>For·<code·class="inline">gen_tcp</code>·with·<code·class="inline">inet_backend·=·socket</code>·we·have·tried·to·be·as·"compatible" | 155 | application·<code·class="inline">kernel</code>'s·configuration·variable·<code·class="inline">inet_backend</code>.</p><p>For·<code·class="inline">gen_tcp</code>·with·<code·class="inline">inet_backend·=·socket</code>·we·have·tried·to·be·as·"compatible" |
| 156 | as·possible·which·has·sometimes·been·impossible.·Here·is·a·list·of·cases·when | 156 | as·possible·which·has·sometimes·been·impossible.·Here·is·a·list·of·cases·when |
| Offset 185, 91 lines modified | Offset 185, 91 lines modified | ||
| 185 | ··<span·class="text">Examples</span> | 185 | ··<span·class="text">Examples</span> |
| 186 | </h2> | 186 | </h2> |
| 187 | <p>The·following·example·illustrates·use·of·option·<code·class="inline">{active,once}</code>·and·multiple | 187 | <p>The·following·example·illustrates·use·of·option·<code·class="inline">{active,once}</code>·and·multiple |
| 188 | accepts·by·implementing·a·server·as·a·number·of·worker·processes·doing·accept·on | 188 | accepts·by·implementing·a·server·as·a·number·of·worker·processes·doing·accept·on |
| 189 | a·single·listening·socket.·Function·<code·class="inline">start/2</code>·takes·the·number·of·worker | 189 | a·single·listening·socket.·Function·<code·class="inline">start/2</code>·takes·the·number·of·worker |
| 190 | processes·and·the·port·number·on·which·to·listen·for·incoming·connections.·If | 190 | processes·and·the·port·number·on·which·to·listen·for·incoming·connections.·If |
| 191 | <code·class="inline">LPort</code>·is·specified·as·<code·class="inline">0</code>,·an·ephemeral·port·number·is·used,·which·is·why·the | 191 | <code·class="inline">LPort</code>·is·specified·as·<code·class="inline">0</code>,·an·ephemeral·port·number·is·used,·which·is·why·the |
| 192 | start·function·returns·the·actual·port·number·allocated:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start</span><span·class="p"·data-group-id=" | 192 | start·function·returns·the·actual·port·number·allocated:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start</span><span·class="p"·data-group-id="2109244491-1">(</span><span·class="n">Num</span><span·class="p">,</span><span·class="n">LPort</span><span·class="p"·data-group-id="2109244491-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 193 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">listen</span><span·class="p"·data-group-id=" | 193 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">listen</span><span·class="p"·data-group-id="2109244491-2">(</span><span·class="n">LPort</span><span·class="p">,</span><span·class="p"·data-group-id="2109244491-3">[</span><span·class="p"·data-group-id="2109244491-4">{</span><span·class="ss">active</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·387,·SHA:·36b087cd3d4344baea40f5be7deea6b0219049151533e7b6e5fce3ca2af94e6e·...·]-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 194 | ········</span><span·class="p"·data-group-id=" | 194 | ········</span><span·class="p"·data-group-id="2109244491-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ListenSock</span><span·class="p"·data-group-id="2109244491-6">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 195 | ············</span><span·class="nf">start_servers</span><span·class="p"·data-group-id=" | 195 | ············</span><span·class="nf">start_servers</span><span·class="p"·data-group-id="2109244491-7">(</span><span·class="n">Num</span><span·class="p">,</span><span·class="n">ListenSock</span><span·class="p"·data-group-id="2109244491-7">)</span><span·class="p">,</span><span·class="w"> |
| 196 | ············</span><span·class="p"·data-group-id=" | 196 | ············</span><span·class="p"·data-group-id="2109244491-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="2109244491-8">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·199,·SHA:·ad30d08d00c50a1c28405277de228c70fa0205d836cbf61ce1dfa58ca36fa5ef·...·]-9">)</span><span·class="p">,</span><span·class="w"> |
| 197 | ············</span><span·class="n">Port</span><span·class="p">;</span><span·class="w"> | 197 | ············</span><span·class="n">Port</span><span·class="p">;</span><span·class="w"> |
| 198 | ········</span><span·class="p"·data-group-id=" | 198 | ········</span><span·class="p"·data-group-id="2109244491-10">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="n">Reason</span><span·class="p"·data-group-id="2109244491-10">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 199 | ············</span><span·class="p"·data-group-id=" | 199 | ············</span><span·class="p"·data-group-id="2109244491-11">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="n">Reason</span><span·class="p"·data-group-id="2109244491-11">}</span><span·class="w"> |
| 200 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 200 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="nf">start_servers</span><span·class="p"·data-group-id=" | 201 | </span><span·class="nf">start_servers</span><span·class="p"·data-group-id="2109244491-12">(</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id="2109244491-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 202 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 202 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 203 | </span><span·class="nf">start_servers</span><span·class="p"·data-group-id=" | 203 | </span><span·class="nf">start_servers</span><span·class="p"·data-group-id="2109244491-13">(</span><span·class="n">Num</span><span·class="p">,</span><span·class="n">LS</span><span·class="p"·data-group-id="2109244491-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 204 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="2109244491-14">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="ss">server</span><span·class="p">,</span><span·class="p"·data-group-id="2109244491-15">[</span><span·class="n">LS</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·72,·SHA:·79bb0bc318eba262f79a193757f813e832abc0336a6eccbd2a603c8661993e10·...·]-14">)</span><span·class="p">,</span><span·class="w"> |
| 205 | ····</span><span·class="nf">start_servers</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="nf">start_servers</span><span·class="p"·data-group-id="2109244491-16">(</span><span·class="n">Num</span><span·class="o">-</span><span·class="mi">1</span><span·class="p">,</span><span·class="n">LS</span><span·class="p"·data-group-id="2109244491-16">)</span><span·class="p">.</span><span·class="w"> |
| 206 | </span><span·class="nf">server</span><span·class="p"·data-group-id=" | 206 | </span><span·class="nf">server</span><span·class="p"·data-group-id="2109244491-17">(</span><span·class="n">LS</span><span·class="p"·data-group-id="2109244491-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 207 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">accept</span><span·class="p"·data-group-id=" | 207 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">accept</span><span·class="p"·data-group-id="2109244491-18">(</span><span·class="n">LS</span><span·class="p"·data-group-id="2109244491-18">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 208 | ········</span><span·class="p"·data-group-id=" | 208 | ········</span><span·class="p"·data-group-id="2109244491-19">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">S</span><span·class="p"·data-group-id="2109244491-19">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 209 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 209 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="2109244491-20">(</span><span·class="n">S</span><span·class="p"·data-group-id="2109244491-20">)</span><span·class="p">,</span><span·class="w"> |
| 210 | ············</span><span·class="nf">server</span><span·class="p"·data-group-id=" | 210 | ············</span><span·class="nf">server</span><span·class="p"·data-group-id="2109244491-21">(</span><span·class="n">LS</span><span·class="p"·data-group-id="2109244491-21">)</span><span·class="p">;</span><span·class="w"> |
| 211 | ········</span><span·class="n">Other</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 211 | ········</span><span·class="n">Other</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 212 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 212 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="2109244491-22">(</span><span·class="s">"accept·returned·</span><span·class="si">~w</span><span·class="s">·-·goodbye!</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="p"·data-group-id="2109244491-23">[</[·...·truncated·by·diffoscope;·len:·128,·SHA:·2e78b510c031afc2d154419b3fdfc078014e04cc3af381dd315a0fb1ba58e63e·...·]-22">)</span><span·class="p">,</span><span·class="w"> |
| 213 | ············</span><span·class="ss">ok</span><span·class="w"> | 213 | ············</span><span·class="ss">ok</span><span·class="w"> |
| 214 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 214 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 215 | </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 215 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="2109244491-24">(</span><span·class="n">S</span><span·class="p"·data-group-id="2109244491-24">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 216 | ····</span><span·class="nc">inet</span><span·class="p">:</span><span·class="nf">setopts</span><span·class="p"·data-group-id=" | 216 | ····</span><span·class="nc">inet</span><span·class="p">:</span><span·class="nf">setopts</span><span·class="p"·data-group-id="2109244491-25">(</span><span·class="n">S</span><span·class="p">,</span><span·class="p"·data-group-id="2109244491-26">[</span><span·class="p"·data-group-id="2109244491-27">{</span><span·class="ss">active</span><span·class="p">,</span><span·class="ss">once</[·...·truncated·by·diffoscope;·len:·154,·SHA:·22efdb32c5ac0cf05ef02ae672ad4c428b5aa1f327ef998546eada61f7f32179·...·]-25">)</span><span·class="p">,</span><span·class="w"> |
| 217 | ····</span><span·class="k">receive</span><span·class="w"> | 217 | ····</span><span·class="k">receive</span><span·class="w"> |
| 218 | ········</span><span·class="p"·data-group-id=" | 218 | ········</span><span·class="p"·data-group-id="2109244491-28">{</span><span·class="ss">tcp</span><span·class="p">,</span><span·class="n">S</span><span·class="p">,</span><span·class="n">Data</span><span·class="p"·data-group-id="2109244491-28">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 219 | ············</span><span·class="n">Answer</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">process</span><span·class="p"·data-group-id=" | 219 | ············</span><span·class="n">Answer</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">process</span><span·class="p"·data-group-id="2109244491-29">(</span><span·class="n">Data</span><span·class="p"·data-group-id="2109244491-29">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Not·implemented·in·this·example</span><span·class="w"> |
| 220 | ············</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id=" | 220 | ············</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="2109244491-30">(</span><span·class="n">S</span><span·class="p">,</span><span·class="n">Answer</span><span·class="p"·data-group-id="2109244491-30">)</span><span·class="p">,</span><span·class="w"> |
| 221 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 221 | ············</span><span·class="nf">loop</span><span·class="p"·data-group-id="2109244491-31">(</span><span·class="n">S</span><span·class="p"·data-group-id="2109244491-31">)</span><span·class="p">;</span><span·class="w"> |
| 222 | ········</span><span·class="p"·data-group-id=" | 222 | ········</span><span·class="p"·data-group-id="2109244491-32">{</span><span·class="ss">tcp_closed</span><span·class="p">,</span><span·class="n">S</span><span·class="p"·data-group-id="2109244491-32">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 223 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 223 | ············</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="2109244491-33">(</span><span·class="s">"Socket·</span><span·class="si">~w</span><span·class="s">·closed·[</span><span·class="si">~w</span><span·class="s">]</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·clas[·...·truncated·by·diffoscope;·len:·323,·SHA:·328cb08bcc47a189c9cf507171b759060c20fbd0efd5cf572c1ae19392b10b07·...·]-33">)</span><span·class="p">,</span><span·class="w"> |
| 224 | ············</span><span·class="ss">ok</span><span·class="w"> | 224 | ············</span><span·class="ss">ok</span><span·class="w"> |
| 225 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Example·of·a·simple·client:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">client</span><span·class="p"·data-group-id=" | 225 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Example·of·a·simple·client:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">client</span><span·class="p"·data-group-id="2198754271-1">(</span><span·class="n">PortNo</span><span·class="p">,</span><span·class="n">Message</span><span·class="p"·data-group-id="2198754271-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 226 | ····</span><span·class="p"·data-group-id=" | 226 | ····</span><span·class="p"·data-group-id="2198754271-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Sock</span><span·class="p"·data-group-id="2198754271-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><[·...·truncated·by·diffoscope;·len:·458,·SHA:·1395dd0c4f8279a90540ab4a71631341ab1b71b20d527a38dc6b9faaa6f70218·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 227 | ····················································</span><span·class="p"·data-group-id=" | 227 | ····················································</span><span·class="p"·data-group-id="2198754271-6">{</span><span·class="ss">packet</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="2198754271-6">}</span><span·class="p"·data-group-id="2198754271-4">]</span><span·class="p"·data-group-id="2198754271-3">)</span><span·class="p">,</span><span·class="w"> |
| 228 | ····</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id=" | 228 | ····</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="2198754271-7">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="n">Message</span><span·class="p"·data-group-id="2198754271-7">)</span><span·class="p">,</span><span·class="w"> |
| 229 | ····</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id=" | 229 | ····</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id="2198754271-8">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="2198754271-8">)</span><span·class="p">,</span><span·class="w"> |
| 230 | ····</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 230 | ····</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="2198754271-9">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="2198754271-9">)</span><span·class="p">,</span><span·class="w"> |
| 231 | ····</span><span·class="n">A</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">send</code>·call·does·not·accept·a·time-out·option·because·time-outs·on·send·is | 231 | ····</span><span·class="n">A</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">send</code>·call·does·not·accept·a·time-out·option·because·time-outs·on·send·is |
| 232 | handled·through·socket·option·<code·class="inline">send_timeout</code>.·The·behavior·of·a·send·operation | 232 | handled·through·socket·option·<code·class="inline">send_timeout</code>.·The·behavior·of·a·send·operation |
| 233 | with·no·receiver·is·mainly·defined·by·the·underlying·TCP·stack·and·the·network | 233 | with·no·receiver·is·mainly·defined·by·the·underlying·TCP·stack·and·the·network |
| 234 | infrastructure.·To·write·code·that·handles·a·hanging·receiver·that·can | 234 | infrastructure.·To·write·code·that·handles·a·hanging·receiver·that·can |
| 235 | eventually·cause·the·sender·to·hang·on·a·<code·class="inline">send</code>·do·like·the·following.</p><p>Consider·a·process·that·receives·data·from·a·client·process·to·be·forwarded·to·a | 235 | eventually·cause·the·sender·to·hang·on·a·<code·class="inline">send</code>·do·like·the·following.</p><p>Consider·a·process·that·receives·data·from·a·client·process·to·be·forwarded·to·a |
| 236 | server·on·the·network.·The·process·is·connected·to·the·server·through·TCP/IP·and | 236 | server·on·the·network.·The·process·is·connected·to·the·server·through·TCP/IP·and |
| 237 | does·not·get·any·acknowledge·for·each·message·it·sends,·but·has·to·rely·on·the | 237 | does·not·get·any·acknowledge·for·each·message·it·sends,·but·has·to·rely·on·the |
| 238 | send·time-out·option·to·detect·that·the·other·end·is·unresponsive.·Option | 238 | send·time-out·option·to·detect·that·the·other·end·is·unresponsive.·Option |
| 239 | <code·class="inline">send_timeout</code>·can·be·used·when·connecting:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 239 | <code·class="inline">send_timeout</code>·can·be·used·when·connecting:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 240 | </span><span·class="p"·data-group-id=" | 240 | </span><span·class="p"·data-group-id="0160777692-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Sock</span><span·class="p"·data-group-id="0160777692-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">gen_tcp</span><[·...·truncated·by·diffoscope;·len:·95,·SHA:·807bca4375609d1ac45c22c070bf3b834c39ff8d798b9a864094200dcbe45f4b·...·]-2">(</span><span·class="n">HostAddress</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p">,</span><span·class="w"> |
| 241 | ····························</span><span·class="p"·data-group-id=" | 241 | ····························</span><span·class="p"·data-group-id="0160777692-3">[</span><span·class="p"·data-group-id="0160777692-4">{</span><span·class="ss">active</span><span·class="p">,</span><span·class="ss">false</span><span·class="p"·data-group-id="0160777692-4">}</span><span·class="p">,</span><span·class="w"> |
| 242 | ·····························</span><span·class="p"·data-group-id=" | 242 | ·····························</span><span·class="p"·data-group-id="0160777692-5">{</span><span·class="ss">send_timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">5000</span><span·class="p"·data-group-id="0160777692-5">}</span><span·class="p">,</span><span·class="w"> |
| 243 | ·····························</span><span·class="p"·data-group-id=" | 243 | ·····························</span><span·class="p"·data-group-id="0160777692-6">{</span><span·class="ss">packet</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="0160777692-6">}</span><span·class="p"·data-group-id="0160777692-3">]</span><span·class="p"·data-group-id="0160777692-2">)</span><span·class="p">,</span><span·class="w"> |
| 244 | ················</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 244 | ················</span><span·class="nf">loop</span><span·class="p"·data-group-id="0160777692-7">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="0160777692-7">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·See·below</span><span·class="w"> |
| 245 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>In·the·loop·where·requests·are·handled,·send·time-outs·can·now·be·detected:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id="38 | 245 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>In·the·loop·where·requests·are·handled,·send·time-outs·can·now·be·detected:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">loop</span><span·class="p"·data-group-id="1538748562-1">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="1538748562-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 246 | ····</span><span·class="k">receive</span><span·class="w"> | 246 | ····</span><span·class="k">receive</span><span·class="w"> |
| 247 | ········</span><span·class="p"·data-group-id="38 | 247 | ········</span><span·class="p"·data-group-id="1538748562-2">{</span><span·class="n">Client</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">send_data</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Binary</span><span·class="p"·data-group-id="1538748562-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 248 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="38 | 248 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="1538748562-3">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="p"·data-group-id="1538748562-4">[</span><span·class="n">Binary</span><span·class="p"·data-group-id="1538748562-4">]</span><span·class="p"·data-group-id="1538748562-3">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 249 | ················</span><span·class="p"·data-group-id="38 | 249 | ················</span><span·class="p"·data-group-id="1538748562-5">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">timeout</span><span·class="p"·data-group-id="1538748562-5">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 250 | ····················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="38 | 250 | ····················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="1538748562-6">(</span><span·class="s">"Send·timeout,·closing!</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w"> |
| 251 | ······························</span><span·class="p"·data-group-id="38 | 251 | ······························</span><span·class="p"·data-group-id="1538748562-7">[</span><span·class="p"·data-group-id="1538748562-7">]</span><span·class="p"·data-group-id="1538748562-6">)</span><span·class="p">,</span><span·class="w"> |
| 252 | ····················</span><span·class="nf">handle_send_timeout</span><span·class="p"·data-group-id="3804155921-8">(</span><span·class="p"·data-group-id="3804155921-8">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Not·implemented·here</span><span·class="w"> | ||
| 253 | ····················</span><span·class="n"> | 252 | ····················</span><span·class="nf">handle_send_timeout</span><span·class="p"·data-group-id="1538748562-8">(</span><span·class="p"·data-group-id="1538748562-8">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Not·implemented·here</span><span·class="w"> |
| 253 | ····················</span><span·class="n">Client</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="1538748562-9">{</span><span·class="nf">self</span><span·class="p"·data-group-id="1538748562-10">(</span><span·class="p"·data-group-id="1538748562-10">)</span><span·class="p">,</span><span·class="p"·data-group-id="1538748562-11">{</span><span·class="ss">error_sending</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">timeout</span><span·class="p"·data-group-id="1538748562-11">}</span><span·class="p"·data-group-id="1538748562-9">}</span><span·class="p">,</span><span·class="w"> | ||
| 254 | ····················</span><span·class="c1">%%·Usually,·it's·a·good·idea·to·give·up·in·case·of·a</span><span·class="w"> | 254 | ····················</span><span·class="c1">%%·Usually,·it's·a·good·idea·to·give·up·in·case·of·a</span><span·class="w"> |
| 255 | ····················</span><span·class="c1">%%·send·timeout,·as·you·never·know·how·much·actually</span><span·class="w"> | 255 | ····················</span><span·class="c1">%%·send·timeout,·as·you·never·know·how·much·actually</span><span·class="w"> |
| 256 | ····················</span><span·class="c1">%%·reached·the·server,·maybe·only·a·packet·header?!</span><span·class="w"> | 256 | ····················</span><span·class="c1">%%·reached·the·server,·maybe·only·a·packet·header?!</span><span·class="w"> |
| 257 | ····················</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="38 | 257 | ····················</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="1538748562-12">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="1538748562-12">)</span><span·class="p">;</span><span·class="w"> |
| 258 | ················</span><span·class="p"·data-group-id="38 | 258 | ················</span><span·class="p"·data-group-id="1538748562-13">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OtherSendError</span><span·class="p"·data-group-id="1538748562-13">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 259 | ····················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="38 | 259 | ····················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="1538748562-14">(</span><span·class="s">"Some·other·error·on·socket·(</span><span·class="si">~p</span><span·class="s">),·closing"</span><span·class="p">,</span><span·class="w"> |
| 260 | ······························</span><span·class="p"·data-group-id="38 | 260 | ······························</span><span·class="p"·data-group-id="1538748562-15">[</span><span·class="n">OtherSendError</span><span·class="p"·data-group-id="1538748562-15">]</span><span·class="p"·data-group-id="1538748562-14">)</span><span·class="p">,</span><span·class="w"> |
| 261 | ····················</span><span·class="n">Client</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="38 | 261 | ····················</span><span·class="n">Client</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="1538748562-16">{</span><span·class="nf">self</span><span·class="p"·data-group-id="1538748562-17">(</span><span·class="p"·data-group-id="1538748562-17">)</span><span·class="p">,</span><span·class="p"·data-group-id="1538748562-18">{</span><span·class="ss">er[·...·truncated·by·diffoscope;·len:·198,·SHA:·f18cb48e9394141fbfae94b81195cdd8d47f3c11769af404efb5c5fc6c073054·...·]-16">}</span><span·class="p">,</span><span·class="w"> |
| 262 | ····················</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="38 | 262 | ····················</span><span·class="nc">gen_tcp</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="1538748562-19">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="1538748562-19">)</span><span·class="p">;</span><span·class="w"> |
| 263 | ················</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 263 | ················</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 264 | ····················</span><span·class="n">Client</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="38 | 264 | ····················</span><span·class="n">Client</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="1538748562-20">{</span><span·class="nf">self</span><span·class="p"·data-group-id="1538748562-21">(</span><span·class="p"·data-group-id="1538748562-21">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">data_sent</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·25,·SHA:·54fd12c634f4e6cc48ea015aff19f98e94259e2069040955838b08fd1d7e0d86·...·]-20">}</span><span·class="p">,</span><span·class="w"> |
| 265 | ····················</span><span·class="nf">loop</span><span·class="p"·data-group-id="38 | 265 | ····················</span><span·class="nf">loop</span><span·class="p"·data-group-id="1538748562-22">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="1538748562-22">)</span><span·class="w"> |
| 266 | ············</span><span·class="k">end</span><span·class="w"> | 266 | ············</span><span·class="k">end</span><span·class="w"> |
| 267 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Usually·it·suffices·to·detect·time-outs·on·receive,·as·most·protocols·include | 267 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Usually·it·suffices·to·detect·time-outs·on·receive,·as·most·protocols·include |
| 268 | some·sort·of·acknowledgment·from·the·server,·but·if·the·protocol·is·strictly·one | 268 | some·sort·of·acknowledgment·from·the·server,·but·if·the·protocol·is·strictly·one |
| 269 | way,·option·<code·class="inline">send_timeout</code>·comes·in·handy.</p> | 269 | way,·option·<code·class="inline">send_timeout</code>·comes·in·handy.</p> |
| 270 | ····</section> | 270 | ····</section> |
| Max diff block lines reached; 638/61515 bytes (1.04%) of diff not shown. | |||
| Offset 924, 25 lines modified | Offset 924, 25 lines modified | ||
| 924 | time-to-live·(TTL)·for·outgoing·multicast·datagrams·to·control·the·scope·of | 924 | time-to-live·(TTL)·for·outgoing·multicast·datagrams·to·control·the·scope·of |
| 925 | the·multicasts.</p><p>Datagrams·with·a·TTL·of·1·are·not·forwarded·beyond·the·local·network. | 925 | the·multicasts.</p><p>Datagrams·with·a·TTL·of·1·are·not·forwarded·beyond·the·local·network. |
| 926 | Defaults·to·<code·class="inline">1</code>.</p></li><li><p><strong><code·class="inline">{add_membership, {MultiAddress, InterfaceAddress}}</code></strong>·- | 926 | Defaults·to·<code·class="inline">1</code>.</p></li><li><p><strong><code·class="inline">{add_membership, {MultiAddress, InterfaceAddress}}</code></strong>·- |
| 927 | Joins·a·multicast·group.</p></li><li><p><strong><code·class="inline">{drop_membership, {MultiAddress, InterfaceAddress}}</code></strong>·- | 927 | Joins·a·multicast·group.</p></li><li><p><strong><code·class="inline">{drop_membership, {MultiAddress, InterfaceAddress}}</code></strong>·- |
| 928 | Leaves·a·multicast·group.</p></li><li><p><strong><a·href="#t:option/0"><code·class="inline">option/0</code></a></strong>·-·See·<a·href="inet.html#setopts/2"><code·class="inline">inet:setopts/2</code></a>.</p></li></ul><p>UDP·packets·are·sent·with·this·socket·using·<a·href="#send/3"><code·class="inline">send(Socket, ...)</code></a>. | 928 | Leaves·a·multicast·group.</p></li><li><p><strong><a·href="#t:option/0"><code·class="inline">option/0</code></a></strong>·-·See·<a·href="inet.html#setopts/2"><code·class="inline">inet:setopts/2</code></a>.</p></li></ul><p>UDP·packets·are·sent·with·this·socket·using·<a·href="#send/3"><code·class="inline">send(Socket, ...)</code></a>. |
| 929 | When·UDP·packets·arrive·to·the·<code·class="inline">Socket</code>'s·UDP·port,·and·the·socket·is·in | 929 | When·UDP·packets·arrive·to·the·<code·class="inline">Socket</code>'s·UDP·port,·and·the·socket·is·in |
| 930 | an·<em>active·mode</em>,·the·packets·are·delivered·as·messages·to·the | 930 | an·<em>active·mode</em>,·the·packets·are·delivered·as·messages·to·the |
| 931 | controlling·process·(socket·owner):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 931 | controlling·process·(socket·owner):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3467178862-1">{</span><span·class="ss">udp</span><span·class="p">,</span><span·class="err"> </span><span·class="n">Socket</span><span·class="p">,</span><span·class="err"> </span><span·class="n">PeerIP</span><span·class="p">,</span><span·class="err"> </span[·...·truncated·by·diffoscope;·len:·152,·SHA:·362e4ec0e15f1f0a9e834307714dd70b1a404ac7439f34b7a854e3b343164c53·...·]-1">}</span><span·class="w">·</span><span·class="c1">%·Without·ancillary·data</span><span·class="w"> |
| 932 | </span><span·class="p"·data-group-id=" | 932 | </span><span·class="p"·data-group-id="3467178862-2">{</span><span·class="ss">udp</span><span·class="p">,</span><span·class="err"> </span><span·class="n">Socket</span><span·class="p">,</span><span·class="err"> </span><span·class="n">PeerIP</span><span·class="p">,</span><span·class="err"> </span[·...·truncated·by·diffoscope;·len:·232,·SHA:·2d02d82967277ad894e5357e2dc17532b954410f1830ba456149adf39aa35446·...·]-2">}</span><span·class="w">·</span><span·class="c1">%·With·ancillary·data</span></code></pre><p><code·class="inline">PeerIP</code>·and·<code·class="inline">PeerPort</code>·are·the·address·from·which·<code·class="inline">Packet</code>·was·sent. |
| 933 | <code·class="inline">Packet</code>·is·a·list·of·bytes·(<code·class="inline">[</code><a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:byte/0"><code·class="inline">byte/0</code></a><code·class="inline">]</code>·if·option·<code·class="inline">list</code> | 933 | <code·class="inline">Packet</code>·is·a·list·of·bytes·(<code·class="inline">[</code><a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:byte/0"><code·class="inline">byte/0</code></a><code·class="inline">]</code>·if·option·<code·class="inline">list</code> |
| 934 | is·active·and·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0"><code·class="inline">binary/0</code></a>·if·option·<code·class="inline">binary</code>is·active | 934 | is·active·and·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0"><code·class="inline">binary/0</code></a>·if·option·<code·class="inline">binary</code>is·active |
| 935 | (they·are·mutually·exclusive).</p><p>The·message·contains·an·<code·class="inline">AncData</code>·field·only·if·any·of·the·socket | 935 | (they·are·mutually·exclusive).</p><p>The·message·contains·an·<code·class="inline">AncData</code>·field·only·if·any·of·the·socket |
| 936 | <a·href="#t:option/0">options</a>·<a·href="inet.html#option-recvtos"><code·class="inline">recvtos</code></a>, | 936 | <a·href="#t:option/0">options</a>·<a·href="inet.html#option-recvtos"><code·class="inline">recvtos</code></a>, |
| 937 | <a·href="inet.html#option-recvtclass"><code·class="inline">recvtclass</code></a>·or | 937 | <a·href="inet.html#option-recvtclass"><code·class="inline">recvtclass</code></a>·or |
| 938 | <a·href="inet.html#option-recvttl"><code·class="inline">recvttl</code></a>·are·active.</p><p>When·a·socket·in·<code·class="inline">{active, N}</code>·mode·(see·<a·href="inet.html#setopts/2"><code·class="inline">inet:setopts/2</code></a>·for·details), | 938 | <a·href="inet.html#option-recvttl"><code·class="inline">recvttl</code></a>·are·active.</p><p>When·a·socket·in·<code·class="inline">{active, N}</code>·mode·(see·<a·href="inet.html#setopts/2"><code·class="inline">inet:setopts/2</code></a>·for·details), |
| 939 | transitions·to·passive·(<code·class="inline">{active, false}</code>)·mode·(<code·class="inline">N</code>·counts·down·to·<code·class="inline">0</code>), | 939 | transitions·to·passive·(<code·class="inline">{active, false}</code>)·mode·(<code·class="inline">N</code>·counts·down·to·<code·class="inline">0</code>), |
| 940 | the·controlling·process·is·notified·by·a·message·on·this·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 940 | the·controlling·process·is·notified·by·a·message·on·this·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9571347463-1">{</span><span·class="ss">udp_passive</span><span·class="p">,</span><span·class="err"> </span><span·class="n">Socket</span><span·class="p"·data-group-id="9571347463-1">}</span></code></pre><p>If·the·OS·protocol·stack·reports·an·error·for·the·socket,·the·following |
| 941 | message·is·sent·to·the·controlling·process:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 941 | message·is·sent·to·the·controlling·process:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3201559018-1">{</span><span·class="ss">udp_error</span><span·class="p">,</span><span·class="err"> </span><span·class="n">Socket</span><span·class="p">,</span><span·class="err"> </span><span·class="n">Reason</span><span·class="p"·data-group-id="3201559018-1">}</span></code></pre><p><code·class="inline">Reason</code>·is·mostly·a·<a·href="inet.html#posix-error-codes">POSIX·Error·Code</a>.</p><p>If·the·socket·is·in·<em>passive·mode</em>·(not·in·an·<em>active·mode</em>),·received·data |
| 942 | can·be·retrieved·with·the<code·class="inline">recv/2,3</code>](<a·href="#recv/2"><code·class="inline">recv/2</code></a>)·calls.·Note·that·incoming | 942 | can·be·retrieved·with·the<code·class="inline">recv/2,3</code>](<a·href="#recv/2"><code·class="inline">recv/2</code></a>)·calls.·Note·that·incoming |
| 943 | UDP·packets·that·are·longer·than·the·receive·buffer·option·specifies | 943 | UDP·packets·that·are·longer·than·the·receive·buffer·option·specifies |
| 944 | can·be·truncated·without·warning.</p><p>The·default·value·for·the·receive·buffer·option·is·<code·class="inline">{recbuf, 8192}</code>.</p> | 944 | can·be·truncated·without·warning.</p><p>The·default·value·for·the·receive·buffer·option·is·<code·class="inline">{recbuf, 8192}</code>.</p> |
| 945 | ··</section> | 945 | ··</section> |
| 946 | </section> | 946 | </section> |
| 947 | <section·class="detail"·id="recv/2"> | 947 | <section·class="detail"·id="recv/2"> |
| Offset 1225, 15 lines modified | Offset 1225, 15 lines modified | ||
| 1225 | ······<p·class="built-using"> | 1225 | ······<p·class="built-using"> |
| 1226 | ········Built·using | 1226 | ········Built·using |
| 1227 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1227 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1228 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1228 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1229 | ······</p> | 1229 | ······</p> |
| 1230 | <p>Copyright·©·1996-202 | 1230 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1231 | ····</footer> | 1231 | ····</footer> |
| 1232 | ··</div> | 1232 | ··</div> |
| 1233 | </main> | 1233 | </main> |
| 1234 | </div> | 1234 | </div> |
| 1235 | <script> | 1235 | <script> |
| 1236 | ··function·mermaidLoaded()·{ | 1236 | ··function·mermaidLoaded()·{ |
| 1237 | ····mermaid.initialize({ | 1237 | ····mermaid.initialize({ |
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| 1244 | ······<p·class="built-using"> | 1244 | ······<p·class="built-using"> |
| 1245 | ········Built·using | 1245 | ········Built·using |
| 1246 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1246 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1247 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1247 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1248 | ······</p> | 1248 | ······</p> |
| 1249 | <p>Copyright·©·1996-202 | 1249 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1250 | ····</footer> | 1250 | ····</footer> |
| 1251 | ··</div> | 1251 | ··</div> |
| 1252 | </main> | 1252 | </main> |
| 1253 | </div> | 1253 | </div> |
| 1254 | <script> | 1254 | <script> |
| 1255 | ··function·mermaidLoaded()·{ | 1255 | ··function·mermaidLoaded()·{ |
| 1256 | ····mermaid.initialize({ | 1256 | ····mermaid.initialize({ |
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| 128 | ····<section·id="moduledoc"> | 128 | ····<section·id="moduledoc"> |
| 129 | <p>Grouping·nodes·to·global·name·registration·groups.</p><p>This·module·makes·it·possible·to·partition·the·nodes·of·a·system·into·<em>global | 129 | <p>Grouping·nodes·to·global·name·registration·groups.</p><p>This·module·makes·it·possible·to·partition·the·nodes·of·a·system·into·<em>global |
| 130 | groups</em>.·Each·global·group·has·its·own·global·namespace,·see·<a·href="global.html"><code·class="inline">global</code></a>.</p><p>The·main·advantage·of·dividing·systems·into·global·groups·is·that·the·background | 130 | groups</em>.·Each·global·group·has·its·own·global·namespace,·see·<a·href="global.html"><code·class="inline">global</code></a>.</p><p>The·main·advantage·of·dividing·systems·into·global·groups·is·that·the·background |
| 131 | load·decreases·while·the·number·of·nodes·to·be·updated·is·reduced·when | 131 | load·decreases·while·the·number·of·nodes·to·be·updated·is·reduced·when |
| 132 | manipulating·globally·registered·names.</p><p>The·Kernel·configuration·parameter·<a·href="kernel_app.html#global_groups"><code·class="inline">global_groups</code></a> | 132 | manipulating·globally·registered·names.</p><p>The·Kernel·configuration·parameter·<a·href="kernel_app.html#global_groups"><code·class="inline">global_groups</code></a> |
| 133 | defines·the·global·groups:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6 | 133 | defines·the·global·groups:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2642417977-1">{</span><span·class="ss">global_groups</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2642417977-2">[</span><span·class="n">GroupTuple</span><span·class="w">·</span><span·class="p">:</span><span·class="p"[·...·truncated·by·diffoscope;·len:·268,·SHA:·00d44f0fd6a8e1358df0c129d43f57f29bf1f03226329bff1c4e888860f6e184·...·]-1">}</span></code></pre><p>For·the·processes·and·nodes·to·run·smoothly·using·the·global·group |
| 134 | functionality,·the·following·criteria·must·be·met:</p><ul><li>An·instance·of·the·global·group·server,·<code·class="inline">global_group</code>,·must·be·running·on | 134 | functionality,·the·following·criteria·must·be·met:</p><ul><li>An·instance·of·the·global·group·server,·<code·class="inline">global_group</code>,·must·be·running·on |
| 135 | each·node.·The·processes·are·automatically·started·and·synchronized·when·a | 135 | each·node.·The·processes·are·automatically·started·and·synchronized·when·a |
| 136 | node·is·started.</li><li>All·involved·nodes·must·agree·on·the·global·group·definition,·otherwise·the | 136 | node·is·started.</li><li>All·involved·nodes·must·agree·on·the·global·group·definition,·otherwise·the |
| 137 | behavior·of·the·system·is·undefined.</li><li><em>All</em>·nodes·in·the·system·must·belong·to·exactly·one·global·group.</li></ul><p>In·the·following·descriptions,·a·<em>group·node</em>·is·a·node·belonging·to·the·same | 137 | behavior·of·the·system·is·undefined.</li><li><em>All</em>·nodes·in·the·system·must·belong·to·exactly·one·global·group.</li></ul><p>In·the·following·descriptions,·a·<em>group·node</em>·is·a·node·belonging·to·the·same |
| 138 | global·group·as·the·local·node.</p><h2·id="module-notes"·class="section-heading"> | 138 | global·group·as·the·local·node.</p><h2·id="module-notes"·class="section-heading"> |
| 139 | ··<a·href="#module-notes"·class="hover-link"> | 139 | ··<a·href="#module-notes"·class="hover-link"> |
| 140 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 140 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 901 | ······<p·class="built-using"> | 901 | ······<p·class="built-using"> |
| 902 | ········Built·using | 902 | ········Built·using |
| 903 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 903 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 904 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 904 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 905 | ······</p> | 905 | ······</p> |
| 906 | <p>Copyright·©·1996-202 | 906 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 907 | ····</footer> | 907 | ····</footer> |
| 908 | ··</div> | 908 | ··</div> |
| 909 | </main> | 909 | </main> |
| 910 | </div> | 910 | </div> |
| 911 | <script> | 911 | <script> |
| 912 | ··function·mermaidLoaded()·{ | 912 | ··function·mermaidLoaded()·{ |
| 913 | ····mermaid.initialize({ | 913 | ····mermaid.initialize({ |
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| 589 | ······<p·class="built-using"> | 589 | ······<p·class="built-using"> |
| 590 | ········Built·using | 590 | ········Built·using |
| 591 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 591 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 592 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 592 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 593 | ······</p> | 593 | ······</p> |
| 594 | <p>Copyright·©·1996-202 | 594 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 595 | ····</footer> | 595 | ····</footer> |
| 596 | ··</div> | 596 | ··</div> |
| 597 | </main> | 597 | </main> |
| 598 | </div> | 598 | </div> |
| 599 | <script> | 599 | <script> |
| 600 | ··function·mermaidLoaded()·{ | 600 | ··function·mermaidLoaded()·{ |
| 601 | ····mermaid.initialize({ | 601 | ····mermaid.initialize({ |
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| 147 | inet_default_listen_options·'[{delay_send,true}]'</code></pre><p><strong>Please·note</strong>·that·the·default·option·<code·class="inline">{active,·true}</code>·cannot·be·changed, | 147 | inet_default_listen_options·'[{delay_send,true}]'</code></pre><p><strong>Please·note</strong>·that·the·default·option·<code·class="inline">{active,·true}</code>·cannot·be·changed, |
| 148 | for·internal·implementation·reasons.</p><p>Addresses·as·inputs·to·functions·can·be·either·a·string·or·a·tuple. | 148 | for·internal·implementation·reasons.</p><p>Addresses·as·inputs·to·functions·can·be·either·a·string·or·a·tuple. |
| 149 | For·example,·the·IP·address·150.236.20.73·can·be·passed·to | 149 | For·example,·the·IP·address·150.236.20.73·can·be·passed·to |
| 150 | <a·href="#gethostbyaddr/1"><code·class="inline">gethostbyaddr/1</code></a>,·either·as·a·string·<code·class="inline">"150.236.20.73"</code> | 150 | <a·href="#gethostbyaddr/1"><code·class="inline">gethostbyaddr/1</code></a>,·either·as·a·string·<code·class="inline">"150.236.20.73"</code> |
| 151 | or·as·a·tuple·<code·class="inline">{150, 236, 20, 73}</code>.</p><p><em>IPv4·address·examples:</em></p><pre><code·class="text">Address··········ip_address() | 151 | or·as·a·tuple·<code·class="inline">{150, 236, 20, 73}</code>.</p><p><em>IPv4·address·examples:</em></p><pre><code·class="text">Address··········ip_address() |
| 152 | -------··········------------ | 152 | -------··········------------ |
| 153 | 127.0.0.1········{127,0,0,1} | 153 | 127.0.0.1········{127,0,0,1} |
| 154 | 192.168.42.2·····{192,168,42,2}</code></pre><p><em>IPv6·address·examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Address</span><span·class="w">··········</span><span·class="nf">ip_address</span><span·class="p"·data-group-id=" | 154 | 192.168.42.2·····{192,168,42,2}</code></pre><p><em>IPv6·address·examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Address</span><span·class="w">··········</span><span·class="nf">ip_address</span><span·class="p"·data-group-id="1312698497-1">(</span><span·class="p"·data-group-id="1312698497-1">)</span><span·class="w"> |
| 155 | </span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w">··········</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="w"> | 155 | </span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">-</span><span·class="w">··········</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="o">--</span><span·class="w"> |
| 156 | </span><span·class="p">:</span><span·class="p">:</span><span·class="mi">1</span><span·class="w">·············</span><span·class="p"·data-group-id=" | 156 | </span><span·class="p">:</span><span·class="p">:</span><span·class="mi">1</span><span·class="w">·············</span><span·class="p"·data-group-id="1312698497-2">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="[·...·truncated·by·diffoscope;·len:·175,·SHA:·bb23283b1fb783b08b69e1a9a1a99b2f92a1b459fd0e17a815d2a175d63b6fe7·...·]-2">}</span><span·class="w"> |
| 157 | </span><span·class="p">:</span><span·class="p">:</span><span·class="mf">192.168</span><span·class="p">.</span><span·class="mf">42.2</span><span·class="w">··</span><span·class="p"·data-group-id=" | 157 | </span><span·class="p">:</span><span·class="p">:</span><span·class="mf">192.168</span><span·class="p">.</span><span·class="mf">42.2</span><span·class="w">··</span><span·class="p"·data-group-id="1312698497-3">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="[·...·truncated·by·diffoscope;·len:·792,·SHA:·8a2f22d46cc7a14a0ce4c8d5ce27de61a047b714f41312698c298eaf59c54208·...·]-3">}</span><span·class="w"> |
| 158 | </span><span·class="p">:</span><span·class="p">:</span><span·class="n">FFFF</span><span·class="p">:</span><span·class="mf">192.168</span><span·class="p">.</span><span·class="mf">42.2</span><span·class="w"> | 158 | </span><span·class="p">:</span><span·class="p">:</span><span·class="n">FFFF</span><span·class="p">:</span><span·class="mf">192.168</span><span·class="p">.</span><span·class="mf">42.2</span><span·class="w"> |
| 159 | ················</span><span·class="p"·data-group-id=" | 159 | ················</span><span·class="p"·data-group-id="1312698497-6">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="[·...·truncated·by·diffoscope;·len:·798,·SHA:·7ac8db3c9489ca2adbecb0482808069d033d9cdfdf8c4f19cdef03c838615890·...·]-6">}</span><span·class="w"> |
| 160 | </span><span·class="mi">3</span><span·class="nc">ffe</span><span·class="p">:</span><span·class="nc">b80</span><span·class="p">:</span><span·class="mi">1</span><span·class="nc">f8d</span><span·class="p">:</span><span·class="mi">2</span><span·class="p">:</span><span·class="mi">204</span><span·class="p">:</span><span·class="nc">acff</span><span·class="p">:</span><span·class="nc">fe17</span><span·class="p">:</span><span·class="ss">bf38</span><span·class="w"> | 160 | </span><span·class="mi">3</span><span·class="nc">ffe</span><span·class="p">:</span><span·class="nc">b80</span><span·class="p">:</span><span·class="mi">1</span><span·class="nc">f8d</span><span·class="p">:</span><span·class="mi">2</span><span·class="p">:</span><span·class="mi">204</span><span·class="p">:</span><span·class="nc">acff</span><span·class="p">:</span><span·class="nc">fe17</span><span·class="p">:</span><span·class="ss">bf38</span><span·class="w"> |
| 161 | ················</span><span·class="p"·data-group-id=" | 161 | ················</span><span·class="p"·data-group-id="1312698497-9">{</span><span·class="mi">16#3ffe</span><span·class="p">,</span><span·class="mi">16#b80</span><span·class="p">,</span><span·class="mi">16#1f8d</span><span·class="p">,</span><span·class="mi">16#2</span><span·class="p">,</span><span·class="mi">1[·...·truncated·by·diffoscope;·len:·218,·SHA:·da819e2f5e25bf1a3c1ea3887afa0f87bd42bce489e14f9464189e4e45e78620·...·]-9">}</span><span·class="w"> |
| 162 | </span><span·class="nc">fe80</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">204</span><span·class="p">:</span><span·class="nc">acff</span><span·class="p">:</span><span·class="nc">fe17</span><span·class="p">:</span><span·class="ss">bf38</span><span·class="w"> | 162 | </span><span·class="nc">fe80</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">204</span><span·class="p">:</span><span·class="nc">acff</span><span·class="p">:</span><span·class="nc">fe17</span><span·class="p">:</span><span·class="ss">bf38</span><span·class="w"> |
| 163 | ················</span><span·class="p"·data-group-id=" | 163 | ················</span><span·class="p"·data-group-id="1312698497-10">{</span><span·class="mi">16#fe80</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">16#204</span><[·...·truncated·by·diffoscope;·len:·657,·SHA:·722c25fc5815c6d703d9dcea53350b0a1e23a15177975a3e1a945beab1d5cd25·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 164 | </span><span·class="p"·data-group-id="9 | 164 | </span><span·class="p"·data-group-id="9967376504-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="9967376504-3">{</span><span·class="mi">192</span><span·class="p">,</span><span·class="mi">168</span><span·class="p">,</span><span·class="mi">42</span><spa[·...·truncated·by·diffoscope;·len:·139,·SHA:·1c22c7068123026dc0be454ec6662ecd73f299a0e6dd630c817fddfabf848a95·...·]-2">}</span><span·class="gp·unselectable"> |
| 165 | 2>·</span><span·class="nc">inet</span><span·class="p">:</span><span·class="nf">parse_address</span><span·class="p"·data-group-id="9 | 165 | 2>·</span><span·class="nc">inet</span><span·class="p">:</span><span·class="nf">parse_address</span><span·class="p"·data-group-id="9967376504-4">(</span><span·class="s">"::FFFF:192.168.42.2"</span><span·class="p"·data-group-id="9967376504-4">)</span><span·class="p">.</span><span·class="w"> |
| 166 | </span><span·class="p"·data-group-id="9 | 166 | </span><span·class="p"·data-group-id="9967376504-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="9967376504-6">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·cla[·...·truncated·by·diffoscope;·len:·342,·SHA:·e5c5506f62911d0c08879681ef7fa6723f3c9e394b254ce90814032f7c54ab4b·...·]-5">}</span></code></pre><h2·id="module-posix-error-codes"·class="section-heading"> |
| 167 | ··<a·href="#module-posix-error-codes"·class="hover-link"> | 167 | ··<a·href="#module-posix-error-codes"·class="hover-link"> |
| 168 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 168 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 169 | ··</a> | 169 | ··</a> |
| 170 | ··<span·class="text"><a·href=""·id="posix-error-codes"></a>·POSIX·Error·Codes</span> | 170 | ··<span·class="text"><a·href=""·id="posix-error-codes"></a>·POSIX·Error·Codes</span> |
| 171 | </h2> | 171 | </h2> |
| 172 | <ul><li><code·class="inline">e2big</code>·-·Too·long·argument·list</li><li><code·class="inline">eacces</code>·-·Permission·denied</li><li><code·class="inline">eaddrinuse</code>·-·Address·already·in·use</li><li><code·class="inline">eaddrnotavail</code>·-·Cannot·assign·requested·address</li><li><code·class="inline">eadv</code>·-·Advertise·error</li><li><code·class="inline">eafnosupport</code>·-·Address·family·not·supported·by·protocol·family</li><li><code·class="inline">eagain</code>·-·Resource·temporarily·unavailable</li><li><code·class="inline">ealign</code>·-·EALIGN</li><li><code·class="inline">ealready</code>·-·Operation·already·in·progress</li><li><code·class="inline">ebade</code>·-·Bad·exchange·descriptor</li><li><code·class="inline">ebadf</code>·-·Bad·file·number</li><li><code·class="inline">ebadfd</code>·-·File·descriptor·in·bad·state</li><li><code·class="inline">ebadmsg</code>·-·Not·a·data·message</li><li><code·class="inline">ebadr</code>·-·Bad·request·descriptor</li><li><code·class="inline">ebadrpc</code>·-·Bad·RPC·structure</li><li><code·class="inline">ebadrqc</code>·-·Bad·request·code</li><li><code·class="inline">ebadslt</code>·-·Invalid·slot</li><li><code·class="inline">ebfont</code>·-·Bad·font·file·format</li><li><code·class="inline">ebusy</code>·-·File·busy</li><li><code·class="inline">echild</code>·-·No·children</li><li><code·class="inline">echrng</code>·-·Channel·number·out·of·range</li><li><code·class="inline">ecomm</code>·-·Communication·error·on·send</li><li><code·class="inline">econnaborted</code>·-·Software·caused·connection·abort</li><li><code·class="inline">econnrefused</code>·-·Connection·refused</li><li><code·class="inline">econnreset</code>·-·Connection·reset·by·peer</li><li><code·class="inline">edeadlk</code>·-·Resource·deadlock·avoided</li><li><code·class="inline">edeadlock</code>·-·Resource·deadlock·avoided</li><li><code·class="inline">edestaddrreq</code>·-·Destination·address·required</li><li><code·class="inline">edirty</code>·-·Mounting·a·dirty·fs·without·force</li><li><code·class="inline">edom</code>·-·Math·argument·out·of·range</li><li><code·class="inline">edotdot</code>·-·Cross·mount·point</li><li><code·class="inline">edquot</code>·-·Disk·quota·exceeded</li><li><code·class="inline">eduppkg</code>·-·Duplicate·package·name</li><li><code·class="inline">eexist</code>·-·File·already·exists</li><li><code·class="inline">efault</code>·-·Bad·address·in·system·call·argument</li><li><code·class="inline">efbig</code>·-·File·too·large</li><li><code·class="inline">ehostdown</code>·-·Host·is·down</li><li><code·class="inline">ehostunreach</code>·-·Host·is·unreachable</li><li><code·class="inline">eidrm</code>·-·Identifier·removed</li><li><code·class="inline">einit</code>·-·Initialization·error</li><li><code·class="inline">einprogress</code>·-·Operation·now·in·progress</li><li><code·class="inline">eintr</code>·-·Interrupted·system·call</li><li><code·class="inline">einval</code>·-·Invalid·argument</li><li><code·class="inline">eio</code>·-·I/O·error</li><li><code·class="inline">eisconn</code>·-·Socket·is·already·connected</li><li><code·class="inline">eisdir</code>·-·Illegal·operation·on·a·directory</li><li><code·class="inline">eisnam</code>·-·Is·a·named·file</li><li><code·class="inline">el2hlt</code>·-·Level·2·halted</li><li><code·class="inline">el2nsync</code>·-·Level·2·not·synchronized</li><li><code·class="inline">el3hlt</code>·-·Level·3·halted</li><li><code·class="inline">el3rst</code>·-·Level·3·reset</li><li><code·class="inline">elbin</code>·-·ELBIN</li><li><code·class="inline">elibacc</code>·-·Cannot·access·a·needed·shared·library</li><li><code·class="inline">elibbad</code>·-·Accessing·a·corrupted·shared·library</li><li><code·class="inline">elibexec</code>·-·Cannot·exec·a·shared·library·directly</li><li><code·class="inline">elibmax</code>·-·Attempting·to·link·in·more·shared·libraries·than·system·limit</li><li><code·class="inline">elibscn</code>·-·<code·class="inline">.lib</code>·section·in·<code·class="inline">a.out</code>·corrupted</li><li><code·class="inline">elnrng</code>·-·Link·number·out·of·range</li><li><code·class="inline">eloop</code>·-·Too·many·levels·of·symbolic·links</li><li><code·class="inline">emfile</code>·-·Too·many·open·files</li><li><code·class="inline">emlink</code>·-·Too·many·links</li><li><code·class="inline">emsgsize</code>·-·Message·too·long</li><li><code·class="inline">emultihop</code>·-·Multihop·attempted</li><li><code·class="inline">enametoolong</code>·-·Filename·too·long</li><li><code·class="inline">enavail</code>·-·Unavailable</li><li><code·class="inline">enet</code>·-·ENET</li><li><code·class="inline">enetdown</code>·-·Network·is·down</li><li><code·class="inline">enetreset</code>·-·Network·dropped·connection·on·reset</li><li><code·class="inline">enetunreach</code>·-·Network·is·unreachable</li><li><code·class="inline">enfile</code>·-·File·table·overflow</li><li><code·class="inline">enoano</code>·-·Anode·table·overflow</li><li><code·class="inline">enobufs</code>·-·No·buffer·space·available</li><li><code·class="inline">enocsi</code>·-·No·CSI·structure·available</li><li><code·class="inline">enodata</code>·-·No·data·available</li><li><code·class="inline">enodev</code>·-·No·such·device</li><li><code·class="inline">enoent</code>·-·No·such·file·or·directory</li><li><code·class="inline">enoexec</code>·-·Exec·format·error</li><li><code·class="inline">enolck</code>·-·No·locks·available</li><li><code·class="inline">enolink</code>·-·Link·has·been·severed</li><li><code·class="inline">enomem</code>·-·Not·enough·memory</li><li><code·class="inline">enomsg</code>·-·No·message·of·desired·type</li><li><code·class="inline">enonet</code>·-·Machine·is·not·on·the·network</li><li><code·class="inline">enopkg</code>·-·Package·not·installed</li><li><code·class="inline">enoprotoopt</code>·-·Bad·protocol·option</li><li><code·class="inline">enospc</code>·-·No·space·left·on·device</li><li><code·class="inline">enosr</code>·-·Out·of·stream·resources·or·not·a·stream·device</li><li><code·class="inline">enosym</code>·-·Unresolved·symbol·name</li><li><code·class="inline">enosys</code>·-·Function·not·implemented</li><li><code·class="inline">enotblk</code>·-·Block·device·required</li><li><code·class="inline">enotconn</code>·-·Socket·is·not·connected</li><li><code·class="inline">enotdir</code>·-·Not·a·directory</li><li><code·class="inline">enotempty</code>·-·Directory·not·empty</li><li><code·class="inline">enotnam</code>·-·Not·a·named·file</li><li><code·class="inline">enotsock</code>·-·Socket·operation·on·non-socket</li><li><code·class="inline">enotsup</code>·-·Operation·not·supported</li><li><code·class="inline">enotty</code>·-·Inappropriate·device·for·<code·class="inline">ioctl</code></li><li><code·class="inline">enotuniq</code>·-·Name·not·unique·on·network</li><li><code·class="inline">enxio</code>·-·No·such·device·or·address</li><li><code·class="inline">eopnotsupp</code>·-·Operation·not·supported·on·socket</li><li><code·class="inline">eperm</code>·-·Not·owner</li><li><code·class="inline">epfnosupport</code>·-·Protocol·family·not·supported</li><li><code·class="inline">epipe</code>·-·Broken·pipe</li><li><code·class="inline">eproclim</code>·-·Too·many·processes</li><li><code·class="inline">eprocunavail</code>·-·Bad·procedure·for·program</li><li><code·class="inline">eprogmismatch</code>·-·Wrong·program·version</li><li><code·class="inline">eprogunavail</code>·-·RPC·program·unavailable</li><li><code·class="inline">eproto</code>·-·Protocol·error</li><li><code·class="inline">eprotonosupport</code>·-·Protocol·not·supported</li><li><code·class="inline">eprototype</code>·-·Wrong·protocol·type·for·socket</li><li><code·class="inline">erange</code>·-·Math·result·unrepresentable</li><li><code·class="inline">erefused</code>·-·EREFUSED</li><li><code·class="inline">eremchg</code>·-·Remote·address·changed</li><li><code·class="inline">eremdev</code>·-·Remote·device</li><li><code·class="inline">eremote</code>·-·Pathname·hit·remote·filesystem</li><li><code·class="inline">eremoteio</code>·-·Remote·I/O·error</li><li><code·class="inline">eremoterelease</code>·-·EREMOTERELEASE</li><li><code·class="inline">erofs</code>·-·Read-only·filesystem</li><li><code·class="inline">erpcmismatch</code>·-·Wrong·RPC·version</li><li><code·class="inline">erremote</code>·-·Object·is·remote</li><li><code·class="inline">eshutdown</code>·-·Cannot·send·after·socket·shutdown</li><li><code·class="inline">esocktnosupport</code>·-·Socket·type·not·supported</li><li><code·class="inline">espipe</code>·-·Invalid·seek</li><li><code·class="inline">esrch</code>·-·No·such·process</li><li><code·class="inline">esrmnt</code>·-·Srmount·error</li><li><code·class="inline">estale</code>·-·Stale·remote·file·handle</li><li><code·class="inline">esuccess</code>·-·Error·0</li><li><code·class="inline">etime</code>·-·Timer·expired</li><li><code·class="inline">etimedout</code>·-·Connection·timed·out</li><li><code·class="inline">etoomanyrefs</code>·-·Too·many·references</li><li><code·class="inline">etxtbsy</code>·-·Text·file·or·pseudo-device·busy</li><li><code·class="inline">euclean</code>·-·Structure·needs·cleaning</li><li><code·class="inline">eunatch</code>·-·Protocol·driver·not·attached</li><li><code·class="inline">eusers</code>·-·Too·many·users</li><li><code·class="inline">eversion</code>·-·Version·mismatch</li><li><code·class="inline">ewouldblock</code>·-·Operation·would·block</li><li><code·class="inline">exdev</code>·-·Cross-device·link</li><li><code·class="inline">exfull</code>·-·Message·tables·full</li><li><code·class="inline">nxdomain</code>·-·Hostname·or·domain·name·cannot·be·found</li></ul> | 172 | <ul><li><code·class="inline">e2big</code>·-·Too·long·argument·list</li><li><code·class="inline">eacces</code>·-·Permission·denied</li><li><code·class="inline">eaddrinuse</code>·-·Address·already·in·use</li><li><code·class="inline">eaddrnotavail</code>·-·Cannot·assign·requested·address</li><li><code·class="inline">eadv</code>·-·Advertise·error</li><li><code·class="inline">eafnosupport</code>·-·Address·family·not·supported·by·protocol·family</li><li><code·class="inline">eagain</code>·-·Resource·temporarily·unavailable</li><li><code·class="inline">ealign</code>·-·EALIGN</li><li><code·class="inline">ealready</code>·-·Operation·already·in·progress</li><li><code·class="inline">ebade</code>·-·Bad·exchange·descriptor</li><li><code·class="inline">ebadf</code>·-·Bad·file·number</li><li><code·class="inline">ebadfd</code>·-·File·descriptor·in·bad·state</li><li><code·class="inline">ebadmsg</code>·-·Not·a·data·message</li><li><code·class="inline">ebadr</code>·-·Bad·request·descriptor</li><li><code·class="inline">ebadrpc</code>·-·Bad·RPC·structure</li><li><code·class="inline">ebadrqc</code>·-·Bad·request·code</li><li><code·class="inline">ebadslt</code>·-·Invalid·slot</li><li><code·class="inline">ebfont</code>·-·Bad·font·file·format</li><li><code·class="inline">ebusy</code>·-·File·busy</li><li><code·class="inline">echild</code>·-·No·children</li><li><code·class="inline">echrng</code>·-·Channel·number·out·of·range</li><li><code·class="inline">ecomm</code>·-·Communication·error·on·send</li><li><code·class="inline">econnaborted</code>·-·Software·caused·connection·abort</li><li><code·class="inline">econnrefused</code>·-·Connection·refused</li><li><code·class="inline">econnreset</code>·-·Connection·reset·by·peer</li><li><code·class="inline">edeadlk</code>·-·Resource·deadlock·avoided</li><li><code·class="inline">edeadlock</code>·-·Resource·deadlock·avoided</li><li><code·class="inline">edestaddrreq</code>·-·Destination·address·required</li><li><code·class="inline">edirty</code>·-·Mounting·a·dirty·fs·without·force</li><li><code·class="inline">edom</code>·-·Math·argument·out·of·range</li><li><code·class="inline">edotdot</code>·-·Cross·mount·point</li><li><code·class="inline">edquot</code>·-·Disk·quota·exceeded</li><li><code·class="inline">eduppkg</code>·-·Duplicate·package·name</li><li><code·class="inline">eexist</code>·-·File·already·exists</li><li><code·class="inline">efault</code>·-·Bad·address·in·system·call·argument</li><li><code·class="inline">efbig</code>·-·File·too·large</li><li><code·class="inline">ehostdown</code>·-·Host·is·down</li><li><code·class="inline">ehostunreach</code>·-·Host·is·unreachable</li><li><code·class="inline">eidrm</code>·-·Identifier·removed</li><li><code·class="inline">einit</code>·-·Initialization·error</li><li><code·class="inline">einprogress</code>·-·Operation·now·in·progress</li><li><code·class="inline">eintr</code>·-·Interrupted·system·call</li><li><code·class="inline">einval</code>·-·Invalid·argument</li><li><code·class="inline">eio</code>·-·I/O·error</li><li><code·class="inline">eisconn</code>·-·Socket·is·already·connected</li><li><code·class="inline">eisdir</code>·-·Illegal·operation·on·a·directory</li><li><code·class="inline">eisnam</code>·-·Is·a·named·file</li><li><code·class="inline">el2hlt</code>·-·Level·2·halted</li><li><code·class="inline">el2nsync</code>·-·Level·2·not·synchronized</li><li><code·class="inline">el3hlt</code>·-·Level·3·halted</li><li><code·class="inline">el3rst</code>·-·Level·3·reset</li><li><code·class="inline">elbin</code>·-·ELBIN</li><li><code·class="inline">elibacc</code>·-·Cannot·access·a·needed·shared·library</li><li><code·class="inline">elibbad</code>·-·Accessing·a·corrupted·shared·library</li><li><code·class="inline">elibexec</code>·-·Cannot·exec·a·shared·library·directly</li><li><code·class="inline">elibmax</code>·-·Attempting·to·link·in·more·shared·libraries·than·system·limit</li><li><code·class="inline">elibscn</code>·-·<code·class="inline">.lib</code>·section·in·<code·class="inline">a.out</code>·corrupted</li><li><code·class="inline">elnrng</code>·-·Link·number·out·of·range</li><li><code·class="inline">eloop</code>·-·Too·many·levels·of·symbolic·links</li><li><code·class="inline">emfile</code>·-·Too·many·open·files</li><li><code·class="inline">emlink</code>·-·Too·many·links</li><li><code·class="inline">emsgsize</code>·-·Message·too·long</li><li><code·class="inline">emultihop</code>·-·Multihop·attempted</li><li><code·class="inline">enametoolong</code>·-·Filename·too·long</li><li><code·class="inline">enavail</code>·-·Unavailable</li><li><code·class="inline">enet</code>·-·ENET</li><li><code·class="inline">enetdown</code>·-·Network·is·down</li><li><code·class="inline">enetreset</code>·-·Network·dropped·connection·on·reset</li><li><code·class="inline">enetunreach</code>·-·Network·is·unreachable</li><li><code·class="inline">enfile</code>·-·File·table·overflow</li><li><code·class="inline">enoano</code>·-·Anode·table·overflow</li><li><code·class="inline">enobufs</code>·-·No·buffer·space·available</li><li><code·class="inline">enocsi</code>·-·No·CSI·structure·available</li><li><code·class="inline">enodata</code>·-·No·data·available</li><li><code·class="inline">enodev</code>·-·No·such·device</li><li><code·class="inline">enoent</code>·-·No·such·file·or·directory</li><li><code·class="inline">enoexec</code>·-·Exec·format·error</li><li><code·class="inline">enolck</code>·-·No·locks·available</li><li><code·class="inline">enolink</code>·-·Link·has·been·severed</li><li><code·class="inline">enomem</code>·-·Not·enough·memory</li><li><code·class="inline">enomsg</code>·-·No·message·of·desired·type</li><li><code·class="inline">enonet</code>·-·Machine·is·not·on·the·network</li><li><code·class="inline">enopkg</code>·-·Package·not·installed</li><li><code·class="inline">enoprotoopt</code>·-·Bad·protocol·option</li><li><code·class="inline">enospc</code>·-·No·space·left·on·device</li><li><code·class="inline">enosr</code>·-·Out·of·stream·resources·or·not·a·stream·device</li><li><code·class="inline">enosym</code>·-·Unresolved·symbol·name</li><li><code·class="inline">enosys</code>·-·Function·not·implemented</li><li><code·class="inline">enotblk</code>·-·Block·device·required</li><li><code·class="inline">enotconn</code>·-·Socket·is·not·connected</li><li><code·class="inline">enotdir</code>·-·Not·a·directory</li><li><code·class="inline">enotempty</code>·-·Directory·not·empty</li><li><code·class="inline">enotnam</code>·-·Not·a·named·file</li><li><code·class="inline">enotsock</code>·-·Socket·operation·on·non-socket</li><li><code·class="inline">enotsup</code>·-·Operation·not·supported</li><li><code·class="inline">enotty</code>·-·Inappropriate·device·for·<code·class="inline">ioctl</code></li><li><code·class="inline">enotuniq</code>·-·Name·not·unique·on·network</li><li><code·class="inline">enxio</code>·-·No·such·device·or·address</li><li><code·class="inline">eopnotsupp</code>·-·Operation·not·supported·on·socket</li><li><code·class="inline">eperm</code>·-·Not·owner</li><li><code·class="inline">epfnosupport</code>·-·Protocol·family·not·supported</li><li><code·class="inline">epipe</code>·-·Broken·pipe</li><li><code·class="inline">eproclim</code>·-·Too·many·processes</li><li><code·class="inline">eprocunavail</code>·-·Bad·procedure·for·program</li><li><code·class="inline">eprogmismatch</code>·-·Wrong·program·version</li><li><code·class="inline">eprogunavail</code>·-·RPC·program·unavailable</li><li><code·class="inline">eproto</code>·-·Protocol·error</li><li><code·class="inline">eprotonosupport</code>·-·Protocol·not·supported</li><li><code·class="inline">eprototype</code>·-·Wrong·protocol·type·for·socket</li><li><code·class="inline">erange</code>·-·Math·result·unrepresentable</li><li><code·class="inline">erefused</code>·-·EREFUSED</li><li><code·class="inline">eremchg</code>·-·Remote·address·changed</li><li><code·class="inline">eremdev</code>·-·Remote·device</li><li><code·class="inline">eremote</code>·-·Pathname·hit·remote·filesystem</li><li><code·class="inline">eremoteio</code>·-·Remote·I/O·error</li><li><code·class="inline">eremoterelease</code>·-·EREMOTERELEASE</li><li><code·class="inline">erofs</code>·-·Read-only·filesystem</li><li><code·class="inline">erpcmismatch</code>·-·Wrong·RPC·version</li><li><code·class="inline">erremote</code>·-·Object·is·remote</li><li><code·class="inline">eshutdown</code>·-·Cannot·send·after·socket·shutdown</li><li><code·class="inline">esocktnosupport</code>·-·Socket·type·not·supported</li><li><code·class="inline">espipe</code>·-·Invalid·seek</li><li><code·class="inline">esrch</code>·-·No·such·process</li><li><code·class="inline">esrmnt</code>·-·Srmount·error</li><li><code·class="inline">estale</code>·-·Stale·remote·file·handle</li><li><code·class="inline">esuccess</code>·-·Error·0</li><li><code·class="inline">etime</code>·-·Timer·expired</li><li><code·class="inline">etimedout</code>·-·Connection·timed·out</li><li><code·class="inline">etoomanyrefs</code>·-·Too·many·references</li><li><code·class="inline">etxtbsy</code>·-·Text·file·or·pseudo-device·busy</li><li><code·class="inline">euclean</code>·-·Structure·needs·cleaning</li><li><code·class="inline">eunatch</code>·-·Protocol·driver·not·attached</li><li><code·class="inline">eusers</code>·-·Too·many·users</li><li><code·class="inline">eversion</code>·-·Version·mismatch</li><li><code·class="inline">ewouldblock</code>·-·Operation·would·block</li><li><code·class="inline">exdev</code>·-·Cross-device·link</li><li><code·class="inline">exfull</code>·-·Message·tables·full</li><li><code·class="inline">nxdomain</code>·-·Hostname·or·domain·name·cannot·be·found</li></ul> |
| 173 | ····</section> | 173 | ····</section> |
| Offset 953, 15 lines modified | Offset 953, 15 lines modified | ||
| 953 | ···················h_addrtype·::·inet·|·inet6, | 953 | ···················h_addrtype·::·inet·|·inet6, |
| 954 | ···················h_length·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(), | 954 | ···················h_length·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(), |
| 955 | ···················h_addr_list·::·[<a·href="inet.html#t:ip_address/0">inet:ip_address</a>()]}.</pre> | 955 | ···················h_addr_list·::·[<a·href="inet.html#t:ip_address/0">inet:ip_address</a>()]}.</pre> |
| 956 | ······</div> | 956 | ······</div> |
| 957 | <p>A·record·describing·a·host;·name·and·address.</p><p>Corresponds·to·the·<code·class="inline">C</code>:·<code·class="inline">struct hostent</code>·as·returned·by·for·example | 957 | <p>A·record·describing·a·host;·name·and·address.</p><p>Corresponds·to·the·<code·class="inline">C</code>:·<code·class="inline">struct hostent</code>·as·returned·by·for·example |
| 958 | <code·class="inline">gethostbyname(3)</code>.</p><p>The·record·is·defined·in·the·Kernel·include·file·<code·class="inline">"inet.hrl"</code>.</p><p>Add·the·following·directive·to·the·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 958 | <code·class="inline">gethostbyname(3)</code>.</p><p>The·record·is·defined·in·the·Kernel·include·file·<code·class="inline">"inet.hrl"</code>.</p><p>Add·the·following·directive·to·the·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="0987948034-1">(</span><span·class="s">"kernel/include/inet.hrl"</span><span·class="p"·data-group-id="0987948034-1">)</span><span·class="p">.</span></code></pre> |
| 959 | ··</section> | 959 | ··</section> |
| 960 | </section> | 960 | </section> |
| 961 | <section·class="detail"·id="t:hostname/0"> | 961 | <section·class="detail"·id="t:hostname/0"> |
| 962 | ··<div·class="detail-header"> | 962 | ··<div·class="detail-header"> |
| 963 | ····<a·href="#t:hostname/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> | 963 | ····<a·href="#t:hostname/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> |
| 964 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 964 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 2050, 17 lines modified | Offset 2050, 17 lines modified | ||
| 2050 | coded·in·native·endianness.</p><p>Asking·for·and·inspecting·raw·socket·options·require·low-level·information·about | 2050 | coded·in·native·endianness.</p><p>Asking·for·and·inspecting·raw·socket·options·require·low-level·information·about |
| 2051 | the·current·operating·system·and·TCP·stack.</p><p><em>Example:</em></p><p>Consider·a·Linux·machine·where·option·<code·class="inline">TCP_INFO</code>·can·be·used·to·collect·TCP | 2051 | the·current·operating·system·and·TCP·stack.</p><p><em>Example:</em></p><p>Consider·a·Linux·machine·where·option·<code·class="inline">TCP_INFO</code>·can·be·used·to·collect·TCP |
| 2052 | statistics·for·a·socket.·Assume·you·are·interested·in·field·<code·class="inline">tcpi_sacked</code>·of | 2052 | statistics·for·a·socket.·Assume·you·are·interested·in·field·<code·class="inline">tcpi_sacked</code>·of |
| 2053 | <code·class="inline">struct·tcp_info</code>·filled·in·when·asking·for·<code·class="inline">TCP_INFO</code>.·To·be·able·to·access | 2053 | <code·class="inline">struct·tcp_info</code>·filled·in·when·asking·for·<code·class="inline">TCP_INFO</code>.·To·be·able·to·access |
| 2054 | this·information,·you·need·to·know·the·following:</p><ul><li>The·numeric·value·of·protocol·level·<code·class="inline">IPPROTO_TCP</code></li><li>The·numeric·value·of·option·<code·class="inline">TCP_INFO</code></li><li>The·size·of·<code·class="inline">struct·tcp_info</code></li><li>The·size·and·offset·of·the·specific·field</li></ul><p>By·inspecting·the·headers·or·writing·a·small·C·program,·it·is·found·that | 2054 | this·information,·you·need·to·know·the·following:</p><ul><li>The·numeric·value·of·protocol·level·<code·class="inline">IPPROTO_TCP</code></li><li>The·numeric·value·of·option·<code·class="inline">TCP_INFO</code></li><li>The·size·of·<code·class="inline">struct·tcp_info</code></li><li>The·size·and·offset·of·the·specific·field</li></ul><p>By·inspecting·the·headers·or·writing·a·small·C·program,·it·is·found·that |
| 2055 | <code·class="inline">IPPROTO_TCP</code>·is·6,·<code·class="inline">TCP_INFO</code>·is·11,·the·structure·size·is·92·(bytes),·the | 2055 | <code·class="inline">IPPROTO_TCP</code>·is·6,·<code·class="inline">TCP_INFO</code>·is·11,·the·structure·size·is·92·(bytes),·the |
| 2056 | offset·of·<code·class="inline">tcpi_sacked</code>·is·28·bytes,·and·the·value·is·a·32-bit·integer.·The | 2056 | offset·of·<code·class="inline">tcpi_sacked</code>·is·28·bytes,·and·the·value·is·a·32-bit·integer.·The |
| 2057 | following·code·can·be·used·to·retrieve·the·value:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">get_tcpi_sacked</span><span·class="p"·data-group-id="27 | 2057 | following·code·can·be·used·to·retrieve·the·value:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">get_tcpi_sacked</span><span·class="p"·data-group-id="2749579422-1">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="2749579422-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 2058 | ····</span><span·class="p"·data-group-id="27 | 2058 | ····</span><span·class="p"·data-group-id="2749579422-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="2749579422-3">[</span><span·class="p"·data-group-id="2749579422-4">{</span><span·class="ss">raw</span><span·class="p">,</span><span·class="p">_</span><span[·...·truncated·by·diffoscope;·len:·941,·SHA:·7cd1b387eadeff0040406d7b27572d4268614a6914baae02dc793e99b9ca5be2·...·]-5">)</span><span·class="p">,</span><span·class="w"> |
| 2059 | ····</span><span·class="p"·data-group-id="27 | 2059 | ····</span><span·class="p"·data-group-id="2749579422-8"><<</span><span·class="p">_</span><span·class="p">:</span><span·class="mi">28</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="n">TcpiSacked</span><span·class="p">:</span><span·class="mi">32<[·...·truncated·by·diffoscope;·len:·203,·SHA:·0fd69480084b089aeb0e90725a1f7963a3e3b6771122cdfd2f6d3e5a291ae25a·...·]-8">>></span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Info</span><span·class="p">,</span><span·class="w"> |
| 2060 | ····</span><span·class="n">TcpiSacked</span><span·class="p">.</span></code></pre><p>Preferably,·you·would·check·the·machine·type,·the·operating·system,·and·the | 2060 | ····</span><span·class="n">TcpiSacked</span><span·class="p">.</span></code></pre><p>Preferably,·you·would·check·the·machine·type,·the·operating·system,·and·the |
| 2061 | Kernel·version·before·executing·anything·similar·to·this·code.</p> | 2061 | Kernel·version·before·executing·anything·similar·to·this·code.</p> |
| 2062 | ··</section> | 2062 | ··</section> |
| 2063 | </section> | 2063 | </section> |
| 2064 | <section·class="detail"·id="getstat/1"> | 2064 | <section·class="detail"·id="getstat/1"> |
| 2065 | ··<div·class="detail-header"> | 2065 | ··<div·class="detail-header"> |
| Offset 2381, 15 lines modified | Offset 2381, 15 lines modified | ||
| 2381 | ······<div·class="specs"> | 2381 | ······<div·class="specs"> |
| 2382 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·monitor(Socket)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0">reference</a>()·when·Socket·::·<a·href="#t:socket/0">socket</a>().</pre> | 2382 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·monitor(Socket)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0">reference</a>()·when·Socket·::·<a·href="#t:socket/0">socket</a>().</pre> |
| 2383 | ······</div> | 2383 | ······</div> |
| 2384 | <p>Start·a·socket·monitor.</p><p>If·the·<code·class="inline">Socket</code>·to·monitor·doesn't·exist·or·when·the·monitor·is·triggered, | 2384 | <p>Start·a·socket·monitor.</p><p>If·the·<code·class="inline">Socket</code>·to·monitor·doesn't·exist·or·when·the·monitor·is·triggered, |
| 2385 | a·<code·class="inline">'DOWN'</code>·message·is·sent·that·has·the·following·pattern:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» ····</span><span·class="p"·data-group-id=" | 2385 | a·<code·class="inline">'DOWN'</code>·message·is·sent·that·has·the·following·pattern:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» ····</span><span·class="p"·data-group-id="4230751561-1">{</span><span·class="ss">'DOWN'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MonitorRef</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Type</span><span·class="p">,</span><span·class="w">[·...·truncated·by·diffoscope;·len:·153,·SHA:·528724b3ec8210bbceebb119ef60811e1032900209b5700331db4ccb93256235·...·]-1">}</span></code></pre><ul><li><p><strong><code·class="inline">MonitorRef</code></strong>·-·The·return·value·from·this·function.</p></li><li><p><strong><code·class="inline">Type</code></strong>·-·The·type·of·socket,·can·be·one·of·the·following |
| 2386 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0"><code·class="inline">atom/0</code></a>s:·<code·class="inline">port</code>·or·<code·class="inline">socket</code>.</p></li><li><p><strong><code·class="inline">Object</code></strong>·-·The·monitored·entity,·the·socket,·which·triggered·the·event.</p></li><li><p><strong><code·class="inline">Info</code></strong>·-·Either·the·termination·reason·of·the·socket·or·<code·class="inline">nosock</code> | 2386 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0"><code·class="inline">atom/0</code></a>s:·<code·class="inline">port</code>·or·<code·class="inline">socket</code>.</p></li><li><p><strong><code·class="inline">Object</code></strong>·-·The·monitored·entity,·the·socket,·which·triggered·the·event.</p></li><li><p><strong><code·class="inline">Info</code></strong>·-·Either·the·termination·reason·of·the·socket·or·<code·class="inline">nosock</code> |
| 2387 | (the·<code·class="inline">Socket</code>·did·not·exist·when·this·function·was·called).</p></li></ul><p>Making·several·calls·to·<a·href="#monitor/1"><code·class="inline">inet:monitor/1</code></a>·for·the·same·<code·class="inline">Socket</code> | 2387 | (the·<code·class="inline">Socket</code>·did·not·exist·when·this·function·was·called).</p></li></ul><p>Making·several·calls·to·<a·href="#monitor/1"><code·class="inline">inet:monitor/1</code></a>·for·the·same·<code·class="inline">Socket</code> |
| 2388 | is·not·an·error;·one·monitor·is·created·per·call.</p><p>The·monitor·is·triggered·when·the·socket·is·closed·in·any·way·such·as | 2388 | is·not·an·error;·one·monitor·is·created·per·call.</p><p>The·monitor·is·triggered·when·the·socket·is·closed·in·any·way·such·as |
| 2389 | an·API·call,·remote·end·close,·closed·by·signal·when·owner·exits,·...</p> | 2389 | an·API·call,·remote·end·close,·closed·by·signal·when·owner·exits,·...</p> |
| 2390 | ··</section> | 2390 | ··</section> |
| 2391 | </section> | 2391 | </section> |
| 2392 | <section·class="detail"·id="ntoa/1"> | 2392 | <section·class="detail"·id="ntoa/1"> |
| Offset 3220, 15 lines modified | Offset 3220, 15 lines modified | ||
| 3220 | ······<p·class="built-using"> | 3220 | ······<p·class="built-using"> |
| 3221 | ········Built·using | 3221 | ········Built·using |
| 3222 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3222 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3223 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3223 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3224 | ······</p> | 3224 | ······</p> |
| 3225 | <p>Copyright·©·1996-202 | 3225 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3226 | ····</footer> | 3226 | ····</footer> |
| 3227 | ··</div> | 3227 | ··</div> |
| 3228 | </main> | 3228 | </main> |
| 3229 | </div> | 3229 | </div> |
| 3230 | <script> | 3230 | <script> |
| 3231 | ··function·mermaidLoaded()·{ | 3231 | ··function·mermaidLoaded()·{ |
| 3232 | ····mermaid.initialize({ | 3232 | ····mermaid.initialize({ |
| Offset 175, 23 lines modified | Offset 175, 23 lines modified | ||
| 175 | <p>The·following·data·types·concern·the·DNS·client:</p><h2·id="module-example"·class="section-heading"> | 175 | <p>The·following·data·types·concern·the·DNS·client:</p><h2·id="module-example"·class="section-heading"> |
| 176 | ··<a·href="#module-example"·class="hover-link"> | 176 | ··<a·href="#module-example"·class="hover-link"> |
| 177 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 177 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 178 | ··</a> | 178 | ··</a> |
| 179 | ··<span·class="text">Example</span> | 179 | ··<span·class="text">Example</span> |
| 180 | </h2> | 180 | </h2> |
| 181 | <p>This·access·functions·example·shows·how·<a·href="#lookup/3"><code·class="inline">lookup/3</code></a>·can·be·implemented·using | 181 | <p>This·access·functions·example·shows·how·<a·href="#lookup/3"><code·class="inline">lookup/3</code></a>·can·be·implemented·using |
| 182 | <a·href="#resolve/3"><code·class="inline">resolve/3</code></a>·from·outside·the·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">example_lookup</span><span·class="p"·data-group-id=" | 182 | <a·href="#resolve/3"><code·class="inline">resolve/3</code></a>·from·outside·the·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">example_lookup</span><span·class="p"·data-group-id="4026955340-1">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Class</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Type</span><span·class="p"·data-group-id="4026955340-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 183 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">inet_res</span><span·class="p">:</span><span·class="nf">resolve</span><span·class="p"·data-group-id=" | 183 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">inet_res</span><span·class="p">:</span><span·class="nf">resolve</span><span·class="p"·data-group-id="4026955340-2">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Class</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Type</span><span·class="p"·data-group-id="4026955340-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 184 | ········</span><span·class="p"·data-group-id=" | 184 | ········</span><span·class="p"·data-group-id="4026955340-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Msg</span><span·class="p"·data-group-id="4026955340-3">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 185 | ············</span><span·class="p"·data-group-id=" | 185 | ············</span><span·class="p"·data-group-id="4026955340-4">[</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">rr</span><span·class="p"·data-group-id="4026955340-5">(</span><span·class="n">RR</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">data</spa[·...·truncated·by·diffoscope;·len:·43,·SHA:·17e940b9d8361f3877169c92315c6eadcf1919d10c11f1173a7af51fbfa40ff6·...·]-5">)</span><span·class="w"> |
| 186 | ·············</span><span·class="p">||</span><span·class="w">·</span><span·class="n">RR</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">msg</span><span·class="p"·data-group-id=" | 186 | ·············</span><span·class="p">||</span><span·class="w">·</span><span·class="n">RR</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">msg</span><span·class="p"·data-group-id="4026955340-6">(</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">anlist</span><span·class="p"·data-group-id="4026955340-6">)</span><span·class="p">,</span><span·class="w"> |
| 187 | ·················</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">rr</span><span·class="p"·data-group-id=" | 187 | ·················</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">rr</span><span·class="p"·data-group-id="4026955340-7">(</span><span·class="n">RR</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">type</span><span·class="p"·data-group-id="4026955340-7">)</span><span·class="w">·</span><span·class="o">=:=</span><span·class="w">·</span><span·class="n">Type</span><span·class="p">,</span><span·class="w"> |
| 188 | ·················</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">rr</span><span·class="p"·data-group-id=" | 188 | ·················</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">rr</span><span·class="p"·data-group-id="4026955340-8">(</span><span·class="n">RR</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">class</span><span·class="p"·data-group-id="4026955340-8">)</span><span·class="w">·</span><span·class="o">=:=</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·64,·SHA:·bb1555dd7da4ad16bd2fb2b8aa174d39c74c9ff2c164c99bf1f6a9506e72bf12·...·]-4">]</span><span·class="p">;</span><span·class="w"> |
| 189 | ········</span><span·class="p"·data-group-id=" | 189 | ········</span><span·class="p"·data-group-id="4026955340-9">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id="4026955340-9">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 190 | ············</span><span·class="p"·data-group-id=" | 190 | ············</span><span·class="p"·data-group-id="4026955340-10">[</span><span·class="p"·data-group-id="4026955340-10">]</span><span·class="w"> |
| 191 | ·····</span><span·class="k">end</span><span·class="p">.</span></code></pre> | 191 | ·····</span><span·class="k">end</span><span·class="p">.</span></code></pre> |
| 192 | ····</section> | 192 | ····</section> |
| 193 | </div> | 193 | </div> |
| 194 | ··<section·id="summary"·class="details-list"> | 194 | ··<section·id="summary"·class="details-list"> |
| 195 | ····<h1·class="section-heading"> | 195 | ····<h1·class="section-heading"> |
| Offset 584, 65 lines modified | Offset 584, 65 lines modified | ||
| 584 | ··········<pre·translate="no"><span·class="attribute">-type</span>·dns_msg()·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 584 | ··········<pre·translate="no"><span·class="attribute">-type</span>·dns_msg()·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 585 | ······</div> | 585 | ······</div> |
| 586 | <p>A·DNS·message.</p><p>This·is·the·start·of·a·hierarchy·of·opaque·data·structures·that·can·be | 586 | <p>A·DNS·message.</p><p>This·is·the·start·of·a·hierarchy·of·opaque·data·structures·that·can·be |
| 587 | examined·with·access·functions·in·<code·class="inline">inet_dns</code>,·which·return·lists·of | 587 | examined·with·access·functions·in·<code·class="inline">inet_dns</code>,·which·return·lists·of |
| 588 | <code·class="inline">{Field,Value}</code>·tuples.·The·arity·2·functions·return·the·value | 588 | <code·class="inline">{Field,Value}</code>·tuples.·The·arity·2·functions·return·the·value |
| 589 | for·a·specified·field.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">dns_msg</span><span·class="p"·data-group-id=" | 589 | for·a·specified·field.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">dns_msg</span><span·class="p"·data-group-id="2197826269-1">(</span><span·class="p"·data-group-id="2197826269-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">DnsMsg</span><span·class="w"> |
| 590 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">msg</span><span·class="p"·data-group-id=" | 590 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">msg</span><span·class="p"·data-group-id="2197826269-2">(</span><span·class="n">DnsMsg</span><span·class="p"·data-group-id="2197826269-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 591 | ········</span><span·class="p"·data-group-id=" | 591 | ········</span><span·class="p"·data-group-id="2197826269-3">[</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-4">{</span><span·class="ss">header</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_header</span><span·class="p"·data-group-id="2197826269-5">[·...·truncated·by·diffoscope;·len:·101,·SHA:·e9706737ee8cc28ee507028c33ef8efec71c7b6ccd1fbee13bb748a57dfc63ed·...·]9-4">}</span><span·class="w"> |
| 592 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 592 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-6">{</span><span·class="ss">qdlist</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_query</span><span·class="p"·data-group-id="2197826269-7">(</span><span·class="p"·data-group-id="2197826269-7">)</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·23,·SHA:·f1f734c62088e4878adf4aef2817ae8185dc573b84ca9643761be8a75ae9297c·...·]9-6">}</span><span·class="w"> |
| 593 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 593 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-8">{</span><span·class="ss">anlist</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_rr</span><span·class="p"·data-group-id="2197826269-9">(</span><span·class="p"·data-group-id="2197826269-9">)</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·20,·SHA:·6d365bc6c68c4f3946a15f9e0b68feafd00cc83360d2751c7f7288a9306be973·...·]9-8">}</span><span·class="w"> |
| 594 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 594 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-10">{</span><span·class="ss">nslist</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_rr</span><span·class="p"·data-group-id="2197826269-11">(</span><span·class="p"·data-group-id="2197826269-11">)</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·23,·SHA:·f1f734c62088e4878adf4aef2817ae8185dc573b84ca9643761be8a75ae9297c·...·]9-10">}</span><span·class="w"> |
| 595 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 595 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-12">{</span><span·class="ss">arlist</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_rr</span><span·class="p"·data-group-id="2197826269-13">(</span><span·class="p"·data-group-id="2197826269-13">)</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·101,·SHA:·ccc35181ec9d2ee927e99f75fcaa6522aff7d1e99871c7cd8783d561962cb0bd·...·]9-3">]</span><span·class="w"> |
| 596 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">msg</span><span·class="p"·data-group-id=" | 596 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">msg</span><span·class="p"·data-group-id="2197826269-14">(</span><span·class="n">DnsMsg</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">header</span><span·class="p"·data-group-id="2197826269-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·132,·SHA:·e44ef146518b14d4f81a7a134a093991af98ac582d2d78b99157313f0e2913e0·...·]9-15">)</span><span·class="w">·</span><span·class="c1">%·for·example</span><span·class="w"> |
| 597 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">msg</span><span·class="p"·data-group-id=" | 597 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">msg</span><span·class="p"·data-group-id="2197826269-16">(</span><span·class="n">DnsMsg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Field</span><span·class="p"·data-group-id="2197826269-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Value</span><span·class="w"> |
| 598 | </span><span·class="nf">dns_header</span><span·class="p"·data-group-id=" | 598 | </span><span·class="nf">dns_header</span><span·class="p"·data-group-id="2197826269-17">(</span><span·class="p"·data-group-id="2197826269-17">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">DnsHeader</span><span·class="w"> |
| 599 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">header</span><span·class="p"·data-group-id=" | 599 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">header</span><span·class="p"·data-group-id="2197826269-18">(</span><span·class="n">DnsHeader</span><span·class="p"·data-group-id="2197826269-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 600 | ········</span><span·class="p"·data-group-id=" | 600 | ········</span><span·class="p"·data-group-id="2197826269-19">[</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-20">{</span><span·class="ss">id</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="2197826269-21">(</s[·...·truncated·by·diffoscope;·len:·98,·SHA:·07381e21c48bd71aba99a0ffee1a84563e3b3d487d6528eb08ba48c7cec75472·...·]9-20">}</span><span·class="w"> |
| 601 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 601 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-22">{</span><span·class="ss">qr</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">boolean</span><span·class="p"·data-group-id="2197826269-23">(</span><span·class="p"·data-group-id="2197826269-23">)</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·20,·SHA:·6d365bc6c68c4f3946a15f9e0b68feafd00cc83360d2751c7f7288a9306be973·...·]9-22">}</span><span·class="w"> |
| 602 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 602 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-24">{</span><span·class="ss">opcode</span><span·class="p">,</span><span·class="w">·</span><span·class="k">query</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">iquery</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·328,·SHA:·9b7dcabf98004c94172be976da3daf94f156aed2a3ce7bbe0fa8a8f48ecce31a·...·]9-24">}</span><span·class="w"> |
| 603 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 603 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-26">{</span><span·class="ss">aa</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">boolean</span><span·class="p"·data-group-id="2197826269-27">(</span><span·class="p"·data-group-id="2197826269-27">)</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·20,·SHA:·6d365bc6c68c4f3946a15f9e0b68feafd00cc83360d2751c7f7288a9306be973·...·]9-26">}</span><span·class="w"> |
| 604 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 604 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-28">{</span><span·class="ss">tc</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">boolean</span><span·class="p"·data-group-id="2197826269-29">(</span><span·class="p"·data-group-id="2197826269-29">)</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·20,·SHA:·6d365bc6c68c4f3946a15f9e0b68feafd00cc83360d2751c7f7288a9306be973·...·]9-28">}</span><span·class="w"> |
| 605 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 605 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-30">{</span><span·class="ss">rd</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">boolean</span><span·class="p"·data-group-id="2197826269-31">(</span><span·class="p"·data-group-id="2197826269-31">)</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·20,·SHA:·6d365bc6c68c4f3946a15f9e0b68feafd00cc83360d2751c7f7288a9306be973·...·]9-30">}</span><span·class="w"> |
| 606 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 606 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-32">{</span><span·class="ss">ra</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">boolean</span><span·class="p"·data-group-id="2197826269-33">(</span><span·class="p"·data-group-id="2197826269-33">)</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·20,·SHA:·6d365bc6c68c4f3946a15f9e0b68feafd00cc83360d2751c7f7288a9306be973·...·]9-32">}</span><span·class="w"> |
| 607 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 607 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-34">{</span><span·class="ss">pr</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">boolean</span><span·class="p"·data-group-id="2197826269-35">(</span><span·class="p"·data-group-id="2197826269-35">)</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·20,·SHA:·6d365bc6c68c4f3946a15f9e0b68feafd00cc83360d2751c7f7288a9306be973·...·]9-34">}</span><span·class="w"> |
| 608 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 608 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-36">{</span><span·class="ss">rcode</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="2197826269-37">(</span><span·class="mi">0</span><span·class="p">.</span><span·class="p">.</spa[·...·truncated·by·diffoscope;·len:·200,·SHA:·dd2b0a7d346ac40203a24fdb9367471093f3d01e5327712d3eebf5048463231a·...·]9-19">]</span><span·class="w"> |
| 609 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">header</span><span·class="p"·data-group-id=" | 609 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">header</span><span·class="p"·data-group-id="2197826269-38">(</span><span·class="n">DnsHeader</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Field</span><span·class="p"·data-group-id="2197826269-38">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Value</span><span·class="w"> |
| 610 | </span><span·class="nf">query_type</span><span·class="p"·data-group-id=" | 610 | </span><span·class="nf">query_type</span><span·class="p"·data-group-id="2197826269-39">(</span><span·class="p"·data-group-id="2197826269-39">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">axfr</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·423,·SHA:·1f767f45c894a809e1dfe0f6f1199780858e3c8bba573ee0b60df26f920d5fed·...·]9-40">)</span><span·class="w"> |
| 611 | </span><span·class="nf">dns_query</span><span·class="p"·data-group-id=" | 611 | </span><span·class="nf">dns_query</span><span·class="p"·data-group-id="2197826269-41">(</span><span·class="p"·data-group-id="2197826269-41">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">DnsQuery</span><span·class="w"> |
| 612 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">dns_query</span><span·class="p"·data-group-id=" | 612 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">dns_query</span><span·class="p"·data-group-id="2197826269-42">(</span><span·class="n">DnsQuery</span><span·class="p"·data-group-id="2197826269-42">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 613 | ········</span><span·class="p"·data-group-id=" | 613 | ········</span><span·class="p"·data-group-id="2197826269-43">[</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-44">{</span><span·class="ss">domain</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_name</span><span·class="p"·data-group-id="2197826269-45"[·...·truncated·by·diffoscope;·len:·103,·SHA:·0883aab44e3bf2667c4671289fc78f2c6602745213ac5d2048f841939255c44b·...·]9-44">}</span><span·class="w"> |
| 614 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 614 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-46">{</span><span·class="ss">type</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">query_type</span><span·class="p"·data-group-id="2197826269-47">(</span><span·class="p"·data-group-id="2197826269-47">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·25,·SHA:·2d8c15030e6b6aa84f4fbc50e5dc67916a9b94b8927c05c4f0b19ef6379180fb·...·]9-46">}</span><span·class="w"> |
| 615 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 615 | ········</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-48">{</span><span·class="ss">class</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_class</span><span·class="p"·data-group-id="2197826269-49">(</span><span·class="p"·data-group-id="2197826269-49">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·103,·SHA:·adfdd0868e8e26370e095d292011e065dde247e33654e09d63e20c6ae5e21224·...·]9-43">]</span><span·class="w"> |
| 616 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">dns_query</span><span·class="p"·data-group-id=" | 616 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">dns_query</span><span·class="p"·data-group-id="2197826269-50">(</span><span·class="n">DnsQuery</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Field</span><span·class="p"·data-group-id="2197826269-50">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Value</span><span·class="w"> |
| 617 | </span><span·class="nf">dns_rr</span><span·class="p"·data-group-id=" | 617 | </span><span·class="nf">dns_rr</span><span·class="p"·data-group-id="2197826269-51">(</span><span·class="p"·data-group-id="2197826269-51">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">DnsRr</span><span·class="w"> |
| 618 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">rr</span><span·class="p"·data-group-id=" | 618 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">rr</span><span·class="p"·data-group-id="2197826269-52">(</span><span·class="n">DnsRr</span><span·class="p"·data-group-id="2197826269-52">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">DnsRrFields</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">DnsRrOptFields</span><span·class="w"> |
| 619 | ····</span><span·class="n">DnsRrFields</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 619 | ····</span><span·class="n">DnsRrFields</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-53">[</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-54">{</span><span·class="ss">domain</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_name</span><span·class="p"·data-group-id="2197826269-55"[·...·truncated·by·diffoscope;·len:·103,·SHA:·64f3971974659a5eb3135ed5441623d74786de87f6f19bce089db65c23eb3453·...·]9-54">}</span><span·class="w"> |
| 620 | ··················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 620 | ··················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-56">{</span><span·class="ss">type</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_rr_type</span><span·class="p"·data-group-id="2197826269-57">(</span><span·class="p"·data-group-id="2197826269-57">)</span><span·class="p[·...·truncated·by·diffoscope;·len:·26,·SHA:·a58af383b6dcc52340a30959a2df3c70973155566e3ff2fc63db763fbc684a8e·...·]9-56">}</span><span·class="w"> |
| 621 | ··················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 621 | ··················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-58">{</span><span·class="ss">class</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_class</span><span·class="p"·data-group-id="2197826269-59">(</span><span·class="p"·data-group-id="2197826269-59">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·25,·SHA:·2d8c15030e6b6aa84f4fbc50e5dc67916a9b94b8927c05c4f0b19ef6379180fb·...·]9-58">}</span><span·class="w"> |
| 622 | ··················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 622 | ··················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-60">{</span><span·class="ss">ttl</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="2197826269-61">(</span><span·class="p"·data-group-id="2197826269-61">)</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·21,·SHA:·6ad7d22f94607e7ab39940206b80e65b6ccc3b8d0534dd1654c098153086369c·...·]9-60">}</span><span·class="w"> |
| 623 | ··················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 623 | ··················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-62">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_data</span><span·class="p"·data-group-id="2197826269-63">(</span><span·class="p"·data-group-id="2197826269-63">)</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·101,·SHA:·29c295df6474d4cedc6262478da96f60c1a60e07262ee6ecdfc445c1d444d946·...·]9-53">]</span><span·class="w"> |
| 624 | ····</span><span·class="n">DnsRrOptFields</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 624 | ····</span><span·class="n">DnsRrOptFields</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-64">[</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-65">{</span><span·class="ss">domain</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_name</span><span·class="p"·data-group-id="2197826269-66"[·...·truncated·by·diffoscope;·len:·103,·SHA:·b3444d148ef5758d992150954cb203b760e22642b07c30049c7a80725b0154d9·...·]9-65">}</span><span·class="w"> |
| 625 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 625 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-67">{</span><span·class="ss">type</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">opt</span><span·class="p"·data-group-id="2197826269-67">}</span><span·class="w"> |
| 626 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 626 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-68">{</span><span·class="ss">udp_payload_size</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="2197826269-69">(</span><span·class="p"·data-group-id="2197826269-69">)</span><span·[·...·truncated·by·diffoscope;·len:·34,·SHA:·6d34a740cf23ef51594682b42a1110ed053986c8a856307d21ae98868f41c6d4·...·]9-68">}</span><span·class="w"> |
| 627 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 627 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-70">{</span><span·class="ss">ext_rcode</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="2197826269-71">(</span><span·class="p"·data-group-id="2197826269-71">)</span><span·class="[·...·truncated·by·diffoscope;·len:·27,·SHA:·9feaa03b76dd3e6cb13062f7ab547d76542b688917cd11d1c62bd64efffd52bc·...·]9-70">}</span><span·class="w"> |
| 628 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 628 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-72">{</span><span·class="ss">version</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="2197826269-73">(</span><span·class="p"·data-group-id="2197826269-73">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·25,·SHA:·2d8c15030e6b6aa84f4fbc50e5dc67916a9b94b8927c05c4f0b19ef6379180fb·...·]9-72">}</span><span·class="w"> |
| 629 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 629 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-74">{</span><span·class="ss">z</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="2197826269-75">(</span><span·class="p"·data-group-id="2197826269-75">)</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·19,·SHA:·f32b6faf8d7a8b36faa99312a408f502c5cb99967b177bbf704c4ca25475068b·...·]9-74">}</span><span·class="w"> |
| 630 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id=" | 630 | ·····················</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="2197826269-76">{</span><span·class="ss">data</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">dns_data</span><span·class="p"·data-group-id="2197826269-77">(</span><span·class="p"·data-group-id="2197826269-77">)</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·101,·SHA:·6995fee15176cbd6fc99db59fbc5f78e03d4d6a21ab9aabe407e3b7f01628c42·...·]9-64">]</span><span·class="w"> |
| 631 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">rr</span><span·class="p"·data-group-id=" | 631 | ····</span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">rr</span><span·class="p"·data-group-id="2197826269-78">(</span><span·class="n">DnsRr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Field</span><span·class="p"·data-group-id="2197826269-78">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·472,·SHA:·105f007d866b9f2ab9e0baf3f6f413a31d8900ab28c2175fb528e4346b7a95eb·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">msg</span><span·class="p">;</span><span·class="w"> |
| 632 | </span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">record_type</span><span·class="p"·data-group-id=" | 632 | </span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">record_type</span><span·class="p"·data-group-id="8252584972-3">(</span><span·class="nf">dns_header</span><span·class="p"·data-group-id="8252584972-4">(</span><span·class="p"·data-group-id="8252584972-4">)</span><span·class="p"·data-group-id="8252584972-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">header</span><span·class="p">;</span><span·class="w"> |
| 633 | </span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">record_type</span><span·class="p"·data-group-id=" | 633 | </span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">record_type</span><span·class="p"·data-group-id="8252584972-5">(</span><span·class="nf">dns_query</span><span·class="p"·data-group-id="8252584972-6">(</span><span·class="p"·data-group-id="8252584972-6">)</span><span·class="p"·data-group-id="8252584972-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">dns_query</span><span·class="p">;</span><span·class="w"> |
| 634 | </span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">record_type</span><span·class="p"·data-group-id=" | 634 | </span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">record_type</span><span·class="p"·data-group-id="8252584972-7">(</span><span·class="nf">dns_rr</span><span·class="p"·data-group-id="8252584972-8">(</span><span·class="p"·data-group-id="8252584972-8">)</span><span·class="p"·data-group-id="8252584972-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">rr</span><span·class="p">;</span><span·class="w"> |
| 635 | </span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">record_type</span><span·class="p"·data-group-id=" | 635 | </span><span·class="nc">inet_dns</span><span·class="p">:</span><span·class="nf">record_type</span><span·class="p"·data-group-id="8252584972-9">(</span><span·class="p">_</span><span·class="p"·data-group-id="8252584972-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">undefined</span><span·class="p">.</span></code></pre><p>So,·<code·class="inline">inet_dns:(inet_dns:record_type(X))(X)</code>·converts·any·of·these·data |
| 636 | structures·into·a·<code·class="inline">{Field,Value}</code>·list.</p> | 636 | structures·into·a·<code·class="inline">{Field,Value}</code>·list.</p> |
| 637 | ··</section> | 637 | ··</section> |
| 638 | </section> | 638 | </section> |
| 639 | <section·class="detail"·id="t:dns_name/0"> | 639 | <section·class="detail"·id="t:dns_name/0"> |
| 640 | ··<div·class="detail-header"> | 640 | ··<div·class="detail-header"> |
| 641 | ····<a·href="#t:dns_name/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> | 641 | ····<a·href="#t:dns_name/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> |
| Offset 1456, 15 lines modified | Offset 1456, 15 lines modified | ||
| 1456 | ······<p·class="built-using"> | 1456 | ······<p·class="built-using"> |
| 1457 | ········Built·using | 1457 | ········Built·using |
| 1458 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1458 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1459 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1459 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1460 | ······</p> | 1460 | ······</p> |
| 1461 | <p>Copyright·©·1996-202 | 1461 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1462 | ····</footer> | 1462 | ····</footer> |
| 1463 | ··</div> | 1463 | ··</div> |
| 1464 | </main> | 1464 | </main> |
| 1465 | </div> | 1465 | </div> |
| 1466 | <script> | 1466 | <script> |
| 1467 | ··function·mermaidLoaded()·{ | 1467 | ··function·mermaidLoaded()·{ |
| 1468 | ····mermaid.initialize({ | 1468 | ····mermaid.initialize({ |
| Offset 187, 15 lines modified | Offset 187, 15 lines modified | ||
| 187 | ······<p·class="built-using"> | 187 | ······<p·class="built-using"> |
| 188 | ········Built·using | 188 | ········Built·using |
| 189 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 189 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 190 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 190 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 191 | ······</p> | 191 | ······</p> |
| 192 | <p>Copyright·©·1996-202 | 192 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 193 | ····</footer> | 193 | ····</footer> |
| 194 | ··</div> | 194 | ··</div> |
| 195 | </main> | 195 | </main> |
| 196 | </div> | 196 | </div> |
| 197 | <script> | 197 | <script> |
| 198 | ··function·mermaidLoaded()·{ | 198 | ··function·mermaidLoaded()·{ |
| 199 | ····mermaid.initialize({ | 199 | ····mermaid.initialize({ |
| Offset 436, 15 lines modified | Offset 436, 15 lines modified | ||
| 436 | ······<p·class="built-using"> | 436 | ······<p·class="built-using"> |
| 437 | ········Built·using | 437 | ········Built·using |
| 438 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 438 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 439 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 439 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 440 | ······</p> | 440 | ······</p> |
| 441 | <p>Copyright·©·1996-202 | 441 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 442 | ····</footer> | 442 | ····</footer> |
| 443 | ··</div> | 443 | ··</div> |
| 444 | </main> | 444 | </main> |
| 445 | </div> | 445 | </div> |
| 446 | <script> | 446 | <script> |
| 447 | ··function·mermaidLoaded()·{ | 447 | ··function·mermaidLoaded()·{ |
| 448 | ····mermaid.initialize({ | 448 | ····mermaid.initialize({ |
| Offset 126, 34 lines modified | Offset 126, 34 lines modified | ||
| 126 | ··</h1> | 126 | ··</h1> |
| 127 | ····<section·id="moduledoc"> | 127 | ····<section·id="moduledoc"> |
| 128 | <p>API·module·for·Logger,·the·standard·logging·facility·in·Erlang/OTP.</p><p>This·module·implements·the·main·API·for·logging·in·Erlang/OTP.·To·create·a·log | 128 | <p>API·module·for·Logger,·the·standard·logging·facility·in·Erlang/OTP.</p><p>This·module·implements·the·main·API·for·logging·in·Erlang/OTP.·To·create·a·log |
| 129 | event,·use·the·<a·href="#logging-api-functions">API·functions</a>·or·the·log | 129 | event,·use·the·<a·href="#logging-api-functions">API·functions</a>·or·the·log |
| 130 | <a·href="#module-macros">macros</a>,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">LOG_ERROR</span><span·class="p"·data-group-id=" | 130 | <a·href="#module-macros">macros</a>,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">LOG_ERROR</span><span·class="p"·data-group-id="0088541736-1">(</span><span·class="s">"error·happened·because:·</span><span·class="si">~p</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0088541736-2">[</span><span·class="n">Reason</s[·...·truncated·by·diffoscope;·len:·98,·SHA:·a9284a7b30ec6e47373bef277bb758926db6a2725409655b7d2ce7a794e503d1·...·]-1">)</span><span·class="p">.</span><span·class="w">···</span><span·class="c1">%·With·macro</span><span·class="w"> |
| 131 | </span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id=" | 131 | </span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="0088541736-3">(</span><span·class="s">"error·happened·because:·</span><span·class="si">~p</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0088541736-4">[</span><span·class="n">Reason</s[·...·truncated·by·diffoscope;·len:·98,·SHA:·55023c0be5d92d65f1c93c819f940c089b86cf93b96480bdbde045b1e1dd1e5e·...·]-3">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·Without·macro</span></code></pre><p>To·configure·the·Logger·backend,·use |
| 132 | <a·href="kernel_app.html#logger">Kernel·configuration·parameters</a>·or | 132 | <a·href="kernel_app.html#logger">Kernel·configuration·parameters</a>·or |
| 133 | <a·href="#configuration-api-functions">configuration·functions</a>·in·the·Logger·API.</p><p>By·default,·the·Kernel·application·installs·one·log·handler·at·system·start. | 133 | <a·href="#configuration-api-functions">configuration·functions</a>·in·the·Logger·API.</p><p>By·default,·the·Kernel·application·installs·one·log·handler·at·system·start. |
| 134 | This·handler·is·named·<code·class="inline">default</code>.·It·receives·and·processes·standard·log·events | 134 | This·handler·is·named·<code·class="inline">default</code>.·It·receives·and·processes·standard·log·events |
| 135 | produced·by·the·Erlang·runtime·system,·standard·behaviours·and·different | 135 | produced·by·the·Erlang·runtime·system,·standard·behaviours·and·different |
| 136 | Erlang/OTP·applications.·The·log·events·are·by·default·printed·to·the·terminal.</p><p>If·you·want·your·systems·logs·to·be·printed·to·a·file·instead,·you·must | 136 | Erlang/OTP·applications.·The·log·events·are·by·default·printed·to·the·terminal.</p><p>If·you·want·your·systems·logs·to·be·printed·to·a·file·instead,·you·must |
| 137 | configure·the·default·handler·to·do·so.·The·simplest·way·is·to·include·the | 137 | configure·the·default·handler·to·do·so.·The·simplest·way·is·to·include·the |
| 138 | following·in·your·<a·href="config.html"><code·class="inline">sys.config</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 138 | following·in·your·<a·href="config.html"><code·class="inline">sys.config</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8541432848-1">[</span><span·class="p"·data-group-id="8541432848-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 139 | ··</span><span·class="p"·data-group-id=" | 139 | ··</span><span·class="p"·data-group-id="8541432848-3">[</span><span·class="p"·data-group-id="8541432848-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 140 | ····</span><span·class="p"·data-group-id=" | 140 | ····</span><span·class="p"·data-group-id="8541432848-5">[</span><span·class="p"·data-group-id="8541432848-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> |
| 141 | ······</span><span·class="p"·data-group-id=" | 141 | ······</span><span·class="p"·data-group-id="8541432848-7">#{</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="8541432848-8">#{</span><span·class="ss">file</span><span·class="w">·</span><span·class="p">=>[·...·truncated·by·diffoscope;·len:·494,·SHA:·941df4e3351f763a3e1f72cb4a8b693e2bbc5ee2dc63add6aa9e1688105b4408·...·]-1">]</span><span·class="p">.</span></code></pre><p>For·more·information·about:</p><ul><li>the·Logger·facility·in·general,·see·the·<a·href="logger_chapter.html">User's·Guide</a>.</li><li>how·to·configure·Logger,·see·the |
| 142 | <a·href="logger_chapter.html#configuration">Configuration</a>·section·in·the·User's·Guide.</li><li>the·built-in·handlers,·see·<a·href="logger_std_h.html"><code·class="inline">logger_std_h</code></a>·and·<a·href="logger_disk_log_h.html"><code·class="inline">logger_disk_log_h</code></a>.</li><li>the·built-in·formatter,·see·<a·href="logger_formatter.html"><code·class="inline">logger_formatter</code></a>.</li><li>built-in·filters,·see·<a·href="logger_filters.html"><code·class="inline">logger_filters</code></a>.</li></ul><h2·id="module-macros"·class="section-heading"> | 142 | <a·href="logger_chapter.html#configuration">Configuration</a>·section·in·the·User's·Guide.</li><li>the·built-in·handlers,·see·<a·href="logger_std_h.html"><code·class="inline">logger_std_h</code></a>·and·<a·href="logger_disk_log_h.html"><code·class="inline">logger_disk_log_h</code></a>.</li><li>the·built-in·formatter,·see·<a·href="logger_formatter.html"><code·class="inline">logger_formatter</code></a>.</li><li>built-in·filters,·see·<a·href="logger_filters.html"><code·class="inline">logger_filters</code></a>.</li></ul><h2·id="module-macros"·class="section-heading"> |
| 143 | ··<a·href="#module-macros"·class="hover-link"> | 143 | ··<a·href="#module-macros"·class="hover-link"> |
| 144 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 144 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 145 | ··</a> | 145 | ··</a> |
| 146 | ··<span·class="text">Macros</span> | 146 | ··<span·class="text">Macros</span> |
| 147 | </h2> | 147 | </h2> |
| 148 | <p>The·following·macros·are·defined·in·<code·class="inline">logger.hrl</code>,·which·is·included·in·a·module | 148 | <p>The·following·macros·are·defined·in·<code·class="inline">logger.hrl</code>,·which·is·included·in·a·module |
| 149 | with·the·directive</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 149 | with·the·directive</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="1163728880-1">(</span><span·class="s">"kernel/include/logger.hrl"</span><span·class="p"·data-group-id="1163728880-1">)</span><span·class="p">.</span></code></pre><ul><li><code·class="inline">?LOG_EMERGENCY(StringOrReport[,Metadata])</code></li><li><code·class="inline">?LOG_EMERGENCY(FunOrFormat,Args[,Metadata])</code></li><li><code·class="inline">?LOG_ALERT(StringOrReport[,Metadata])</code></li><li><code·class="inline">?LOG_ALERT(FunOrFormat,Args[,Metadata])</code></li><li><code·class="inline">?LOG_CRITICAL(StringOrReport[,Metadata])</code></li><li><code·class="inline">?LOG_CRITICAL(FunOrFormat,Args[,Metadata])</code></li><li><code·class="inline">?LOG_ERROR(StringOrReport[,Metadata])</code></li><li><code·class="inline">?LOG_ERROR(FunOrFormat,Args[,Metadata])</code></li><li><code·class="inline">?LOG_WARNING(StringOrReport[,Metadata])</code></li><li><code·class="inline">?LOG_WARNING(FunOrFormat,Args[,Metadata])</code></li><li><code·class="inline">?LOG_NOTICE(StringOrReport[,Metadata])</code></li><li><code·class="inline">?LOG_NOTICE(FunOrFormat,Args[,Metadata])</code></li><li><code·class="inline">?LOG_INFO(StringOrReport[,Metadata])</code></li><li><code·class="inline">?LOG_INFO(FunOrFormat,Args[,Metadata])</code></li><li><code·class="inline">?LOG_DEBUG(StringOrReport[,Metadata])</code></li><li><code·class="inline">?LOG_DEBUG(FunOrFormat,Args[,Metadata])</code></li><li><code·class="inline">?LOG(Level,StringOrReport[,Metadata])</code></li><li><code·class="inline">?LOG(Level,FunOrFormat,Args[,Metadata])</code></li></ul><p>All·macros·expand·to·a·call·to·Logger,·where·<code·class="inline">Level</code>·is·taken·from·the·macro |
| 150 | name,·or·from·the·first·argument·in·the·case·of·the·<code·class="inline">?LOG</code>·macro.·Location·data | 150 | name,·or·from·the·first·argument·in·the·case·of·the·<code·class="inline">?LOG</code>·macro.·Location·data |
| 151 | is·added·to·the·metadata·as·described·under·the·<a·href="#t:metadata/0"><code·class="inline">metadata/0</code></a>·type·definition.</p><p>The·call·is·wrapped·in·a·case·statement·and·will·be·evaluated·only·if·<code·class="inline">Level</code>·is | 151 | is·added·to·the·metadata·as·described·under·the·<a·href="#t:metadata/0"><code·class="inline">metadata/0</code></a>·type·definition.</p><p>The·call·is·wrapped·in·a·case·statement·and·will·be·evaluated·only·if·<code·class="inline">Level</code>·is |
| 152 | equal·to·or·below·the·configured·log·level.</p><h2·id="module-see-also"·class="section-heading"> | 152 | equal·to·or·below·the·configured·log·level.</p><h2·id="module-see-also"·class="section-heading"> |
| 153 | ··<a·href="#module-see-also"·class="hover-link"> | 153 | ··<a·href="#module-see-also"·class="hover-link"> |
| 154 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 154 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 155 | ··</a> | 155 | ··</a> |
| 156 | ··<span·class="text">See·Also</span> | 156 | ··<span·class="text">See·Also</span> |
| Offset 2304, 21 lines modified | Offset 2304, 21 lines modified | ||
| 2304 | ·········(Level·::·<a·href="#t:level/0">level</a>(),·Fun·::·<a·href="#t:msg_fun/0">msg_fun</a>(),·FunArgs·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·->·ok.</pre> | 2304 | ·········(Level·::·<a·href="#t:level/0">level</a>(),·Fun·::·<a·href="#t:msg_fun/0">msg_fun</a>(),·FunArgs·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·->·ok.</pre> |
| 2305 | ······</div> | 2305 | ······</div> |
| 2306 | <p>Create·a·log·event·at·the·given·<a·href="logger_chapter.html#log-level">log·level</a>,·with | 2306 | <p>Create·a·log·event·at·the·given·<a·href="logger_chapter.html#log-level">log·level</a>,·with |
| 2307 | the·given·<a·href="logger_chapter.html#log-message">message</a>·to·be·logged·and | 2307 | the·given·<a·href="logger_chapter.html#log-message">message</a>·to·be·logged·and |
| 2308 | <a·href="logger_chapter.html#metadata"><em>metadata</em></a>.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·A·plain·string</span><span·class="gp·unselectable"> | 2308 | <a·href="logger_chapter.html#metadata"><em>metadata</em></a>.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·A·plain·string</span><span·class="gp·unselectable"> |
| 2309 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">log</span><span·class="p"·data-group-id=" | 2309 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">log</span><span·class="p"·data-group-id="0379852032-1">(</span><span·class="ss">info</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Hello·World"</span><span·class="p"·data-group-id="0379852032-1">)</span><span·class="p">.</span><span·class="w"> |
| 2310 | </span><span·class="c1">%%·A·plain·string·with·metadata</span><span·class="gp·unselectable"> | 2310 | </span><span·class="c1">%%·A·plain·string·with·metadata</span><span·class="gp·unselectable"> |
| 2311 | 2>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">log</span><span·class="p"·data-group-id=" | 2311 | 2>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">log</span><span·class="p"·data-group-id="0379852032-2">(</span><span·class="ss">debug</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Hello·World"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0379852032-3">#{</span><span·cla[·...·truncated·by·diffoscope;·len:·265,·SHA:·607b4ad3627b03bc1ec1a9d491c8fee2b9996856f26a3b31210e46654cc1ba24·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 2312 | </span><span·class="c1">%%·A·format·string·with·arguments</span><span·class="gp·unselectable"> | 2312 | </span><span·class="c1">%%·A·format·string·with·arguments</span><span·class="gp·unselectable"> |
| 2313 | 3>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">log</span><span·class="p"·data-group-id=" | 2313 | 3>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">log</span><span·class="p"·data-group-id="0379852032-4">(</span><span·class="ss">warning</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"The·roof·is·on·~ts"</span><span·class="p">,</span><span·class="p"·data-group-id="0379852032-5">[</span><span·class="n">Cause</sp[·...·truncated·by·diffoscope;·len:·97,·SHA:·b1f1d51925b26a2a2491378408ae6bb2ba1eb7a7d7c6c0b0a33c1cf644011038·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 2314 | </span><span·class="c1">%%·A·report</span><span·class="gp·unselectable"> | 2314 | </span><span·class="c1">%%·A·report</span><span·class="gp·unselectable"> |
| 2315 | 4>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">log</span><span·class="p"·data-group-id=" | 2315 | 4>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">log</span><span·class="p"·data-group-id="0379852032-6">(</span><span·class="ss">warning</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0379852032-7">#{</span><span·class="w">·</span><span·class="ss">what</span><span·class="w">·</span><span·class="p">=></sp[·...·truncated·by·diffoscope;·len:·354,·SHA:·2a50ae365cf6005198fa3fd89bd00dcd2f4b8ef497b175a84582d8ab13e6009e·...·]-6">)</span><span·class="p">.</span></code></pre><p>Equivalent·to·<a·href="#log/4"><code·class="inline">log(Level,·FormatOrFun,·Args,·#{})</code></a>·if·called·as |
| 2316 | <code·class="inline">log(Level,·FormatOrFun,·Args)</code>.</p> | 2316 | <code·class="inline">log(Level,·FormatOrFun,·Args)</code>.</p> |
| 2317 | ··</section> | 2317 | ··</section> |
| 2318 | </section> | 2318 | </section> |
| 2319 | <section·class="detail"·id="log/4"> | 2319 | <section·class="detail"·id="log/4"> |
| 2320 | ··<div·class="detail-header"> | 2320 | ··<div·class="detail-header"> |
| 2321 | ····<a·href="#log/4"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 2321 | ····<a·href="#log/4"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 2347, 20 lines modified | Offset 2347, 20 lines modified | ||
| 2347 | <p>Create·a·log·event·at·the·given·<a·href="logger_chapter.html#log-level">log·level</a>,·with | 2347 | <p>Create·a·log·event·at·the·given·<a·href="logger_chapter.html#log-level">log·level</a>,·with |
| 2348 | the·given·<a·href="logger_chapter.html#log-message">message</a>·to·be·logged·and | 2348 | the·given·<a·href="logger_chapter.html#log-message">message</a>·to·be·logged·and |
| 2349 | <a·href="logger_chapter.html#metadata"><em>metadata</em></a>.</p><p>The·message·and·metadata·can·either·be·given·directly·in·the·arguments,·or | 2349 | <a·href="logger_chapter.html#metadata"><em>metadata</em></a>.</p><p>The·message·and·metadata·can·either·be·given·directly·in·the·arguments,·or |
| 2350 | returned·from·a·fun.·Passing·a·fun·instead·of·the·message/metadata·directly·is | 2350 | returned·from·a·fun.·Passing·a·fun·instead·of·the·message/metadata·directly·is |
| 2351 | useful·in·scenarios·when·the·message/metadata·is·very·expensive·to·compute.·This | 2351 | useful·in·scenarios·when·the·message/metadata·is·very·expensive·to·compute.·This |
| 2352 | is·because·the·fun·is·only·evaluated·when·the·message/metadata·is·actually | 2352 | is·because·the·fun·is·only·evaluated·when·the·message/metadata·is·actually |
| 2353 | needed,·which·may·be·not·at·all·if·the·log·event·is·not·to·be·logged.·Examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·A·plain·string·with·expensive·metadata</span><span·class="gp·unselectable"> | 2353 | needed,·which·may·be·not·at·all·if·the·log·event·is·not·to·be·logged.·Examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·A·plain·string·with·expensive·metadata</span><span·class="gp·unselectable"> |
| 2354 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">info</span><span·class="p"·data-group-id=" | 2354 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">info</span><span·class="p"·data-group-id="6246522706-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="6246522706-2">(</span><span·class="p"·data-group-id="6246522706-3">[</span><span·class="p"·data-group-id="6246522706-3">]</span><span·class="p"·data-group-id="6246522706-2">)</[·...·truncated·by·diffoscope;·len:·900,·SHA:·2addc288488ff63e35c04cacc88d13f5f3cdd3462739715cde690c7d7d16f653·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 2355 | </span><span·class="c1">%%·An·expensive·report</span><span·class="gp·unselectable"> | 2355 | </span><span·class="c1">%%·An·expensive·report</span><span·class="gp·unselectable"> |
| 2356 | 2>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">debug</span><span·class="p"·data-group-id=" | 2356 | 2>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">debug</span><span·class="p"·data-group-id="6246522706-8">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="6246522706-9">(</span><span·class="n">What</span><span·class="p"·data-group-id="6246522706-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·727,·SHA:·4e05c1e906bfae0ac9e5df95cfd3dd57a526dfae787e201a7d58cb3f2d71739c·...·]-8">)</span><span·class="p">.</span><span·class="w"> |
| 2357 | </span><span·class="c1">%%·A·plain·string·with·expensive·metadata·and·normal·metadata</span><span·class="gp·unselectable"> | 2357 | </span><span·class="c1">%%·A·plain·string·with·expensive·metadata·and·normal·metadata</span><span·class="gp·unselectable"> |
| 2358 | 3>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">debug</span><span·class="p"·data-group-id=" | 2358 | 3>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">debug</span><span·class="p"·data-group-id="6246522706-12">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="6246522706-13">(</span><span·class="p"·data-group-id="6246522706-14">[</span><span·class="p"·data-group-id="6246522706-14">]</span><span·class="p"·data-group-id="6246522706-13[·...·truncated·by·diffoscope;·len:·859,·SHA:·68dc986ab9a7160ed0a35080fbb7d0c3d1b77ccb496e8fbabb75714c9fdc0be8·...·]-18">]</span><span·class="p">,</span><span·class="w"> |
| 2359 | ···············</span><span·class="p"·data-group-id=" | 2359 | ···············</span><span·class="p"·data-group-id="6246522706-19">#{</span><span·class="w">·</span><span·class="ss">meta</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">data</span><span·class="w">·</span><span·class="p"·data-group-id="6246522706-19">}</spa[·...·truncated·by·diffoscope;·len:·43,·SHA:·41351701e686d3f3be3d1051d10af638d7aedc52462b7283682f71697fd9c85c·...·]-12">)</span><span·class="p">.</span></code></pre><p>When·metadata·is·given·both·as·an·argument·and·returned·from·the·fun·they·are |
| 2360 | merged.·If·equal·keys·exists·the·values·are·taken·from·the·metadata·returned·by | 2360 | merged.·If·equal·keys·exists·the·values·are·taken·from·the·metadata·returned·by |
| 2361 | the·fun.</p> | 2361 | the·fun.</p> |
| 2362 | ··</section> | 2362 | ··</section> |
| 2363 | </section> | 2363 | </section> |
| 2364 | <section·class="detail"·id="notice/1"> | 2364 | <section·class="detail"·id="notice/1"> |
| 2365 | ··<div·class="detail-header"> | 2365 | ··<div·class="detail-header"> |
| Offset 2657, 34 lines modified | Offset 2657, 34 lines modified | ||
| 2657 | ······</div> | 2657 | ······</div> |
| 2658 | <p>Reads·the·application·configuration·parameter·<code·class="inline">logger</code>·and·calls | 2658 | <p>Reads·the·application·configuration·parameter·<code·class="inline">logger</code>·and·calls |
| 2659 | <a·href="#add_handlers/1"><code·class="inline">add_handlers/1</code></a>·with·its·contents.</p><p>This·function·should·be·used·by·custom·Logger·handlers·to·make·configuration | 2659 | <a·href="#add_handlers/1"><code·class="inline">add_handlers/1</code></a>·with·its·contents.</p><p>This·function·should·be·used·by·custom·Logger·handlers·to·make·configuration |
| 2660 | consistent·no·matter·which·handler·the·system·uses.·Normal·usage·is·to·add·a | 2660 | consistent·no·matter·which·handler·the·system·uses.·Normal·usage·is·to·add·a |
| 2661 | call·to·<a·href="#add_handlers/1"><code·class="inline">logger:add_handlers/1</code></a>·just·after·the·processes·that·the·handler·needs | 2661 | call·to·<a·href="#add_handlers/1"><code·class="inline">logger:add_handlers/1</code></a>·just·after·the·processes·that·the·handler·needs |
| 2662 | are·started,·and·pass·the·application's·<code·class="inline">logger</code>·configuration·as·the·argument. | 2662 | are·started,·and·pass·the·application's·<code·class="inline">logger</code>·configuration·as·the·argument. |
| 2663 | For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 2663 | For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="6057838024-1">(</span><span·class="ss">application</span><span·class="p"·data-group-id="6057838024-1">)</span><span·class="p">.</span><span·class="w"> |
| 2664 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 2664 | </span><span·class="nf">start</span><span·class="p"·data-group-id="6057838024-2">(</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6057838024-3">[</span><span·class="p"·data-group-id="6057838024-3">]</span><span·class="p"·data-group-id="6057838024-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 2665 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 2665 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">supervisor</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="6057838024-4">(</span><span·class="p"·data-group-id="6057838024-5">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_sup</span><span·class="p"·data-group-id="6057838024-5">}</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·252,·SHA:·dca567c59a74823adbc13d9b2304e9de7408987f2430ac52ce9237660c7348be·...·]-4">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 2666 | ········</span><span·class="p"·data-group-id=" | 2666 | ········</span><span·class="p"·data-group-id="6057838024-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="6057838024-7">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 2667 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handlers</span><span·class="p"·data-group-id=" | 2667 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handlers</span><span·class="p"·data-group-id="6057838024-8">(</span><span·class="ss">my_app</span><span·class="p"·data-group-id="6057838024-8">)</span><span·class="p">,</span><span·class="w"> |
| 2668 | ············</span><span·class="p"·data-group-id=" | 2668 | ············</span><span·class="p"·data-group-id="6057838024-9">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6057838024-10">[</span><span·class="p"·data-group-id="6[·...·truncated·by·diffoscope;·len:·63,·SHA:·d15dd4556db1e9bfeded151e7f6811bdb0188c4f59f24fd18889cf3053248ba7·...·]-9">}</span><span·class="p">;</span><span·class="w"> |
| 2669 | ········</span><span·class="n">Error</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Error</span><span·class="w"> | 2669 | ········</span><span·class="n">Error</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Error</span><span·class="w"> |
| 2670 | ·····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>This·reads·the·<code·class="inline">logger</code>·configuration·parameter·from·the·<code·class="inline">my_app</code>·application | 2670 | ·····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>This·reads·the·<code·class="inline">logger</code>·configuration·parameter·from·the·<code·class="inline">my_app</code>·application |
| 2671 | and·starts·the·configured·handlers.·The·contents·of·the·configuration·use·the | 2671 | and·starts·the·configured·handlers.·The·contents·of·the·configuration·use·the |
| 2672 | same·rules·as·the | 2672 | same·rules·as·the |
| 2673 | <a·href="logger_chapter.html#handler-configuration">logger·handler·configuration</a>.</p><p>If·the·handler·is·meant·to·replace·the·default·handler,·the·Kernel's·default | 2673 | <a·href="logger_chapter.html#handler-configuration">logger·handler·configuration</a>.</p><p>If·the·handler·is·meant·to·replace·the·default·handler,·the·Kernel's·default |
| 2674 | handler·have·to·be·disabled·before·the·new·handler·is·added.·A·<code·class="inline">sys.config</code>·file | 2674 | handler·have·to·be·disabled·before·the·new·handler·is·added.·A·<code·class="inline">sys.config</code>·file |
| 2675 | that·disables·the·Kernel·handler·and·adds·a·custom·handler·could·look·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2 | 2675 | that·disables·the·Kernel·handler·and·adds·a·custom·handler·could·look·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7521414990-1">[</span><span·class="p"·data-group-id="7521414990-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 2676 | ··</span><span·class="p"·data-group-id="2 | 2676 | ··</span><span·class="p"·data-group-id="7521414990-3">[</span><span·class="p"·data-group-id="7521414990-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 2677 | ····</span><span·class="c1">%%·Disable·the·default·Kernel·handler</span><span·class="w"> | 2677 | ····</span><span·class="c1">%%·Disable·the·default·Kernel·handler</span><span·class="w"> |
| 2678 | ····</span><span·class="p"·data-group-id="2 | 2678 | ····</span><span·class="p"·data-group-id="7521414990-5">[</span><span·class="p"·data-group-id="7521414990-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">undefi[·...·truncated·by·diffoscope;·len:·263,·SHA:·dfcea29d794b9253e5afac4cc0a47c83460513bbcb77b9b505bc959216689b6a·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 2679 | ·</span><span·class="p"·data-group-id="2 | 2679 | ·</span><span·class="p"·data-group-id="7521414990-7">{</span><span·class="ss">my_app</span><span·class="p">,</span><span·class="w"> |
| 2680 | ··</span><span·class="p"·data-group-id="2 | 2680 | ··</span><span·class="p"·data-group-id="7521414990-8">[</span><span·class="p"·data-group-id="7521414990-9">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 2681 | ····</span><span·class="c1">%%·Enable·this·handler·as·the·default</span><span·class="w"> | 2681 | ····</span><span·class="c1">%%·Enable·this·handler·as·the·default</span><span·class="w"> |
| 2682 | ····</span><span·class="p"·data-group-id="2 | 2682 | ····</span><span·class="p"·data-group-id="7521414990-10">[</span><span·class="p"·data-group-id="7521414990-11">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_h[·...·truncated·by·diffoscope;·len:·478,·SHA:·c6b322d433900677b8bfe3d0360b8ebca1776300a115546b4a8ec66669620cb8·...·]-1">]</span><span·class="p">.</span></code></pre> |
| 2683 | ··</section> | 2683 | ··</section> |
| 2684 | </section> | 2684 | </section> |
| 2685 | <section·class="detail"·id="add_primary_filter/2"> | 2685 | <section·class="detail"·id="add_primary_filter/2"> |
| 2686 | ··<div·class="detail-header"> | 2686 | ··<div·class="detail-header"> |
| 2687 | ····<a·href="#add_primary_filter/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 2687 | ····<a·href="#add_primary_filter/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 2688 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 2688 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 3575 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·update_formatter_config(HandlerId,·FormatterConfig)·->·ok·|·{error,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()} | 3575 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·update_formatter_config(HandlerId,·FormatterConfig)·->·ok·|·{error,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()} |
| 3576 | ·································when | 3576 | ·································when |
| 3577 | ·····································HandlerId·::·<a·href="logger_handler.html#t:id/0">logger_handler:id</a>(), | 3577 | ·····································HandlerId·::·<a·href="logger_handler.html#t:id/0">logger_handler:id</a>(), |
| 3578 | ·····································FormatterConfig·::·<a·href="#t:formatter_config/0">formatter_config</a>().</pre> | 3578 | ·····································FormatterConfig·::·<a·href="#t:formatter_config/0">formatter_config</a>().</pre> |
| 3579 | ······</div> | 3579 | ······</div> |
| 3580 | <p>Update·the·formatter·configuration·for·the·specified·handler.</p><p>The·new·configuration·is·merged·with·the·existing·formatter·configuration.</p><p>To·overwrite·the·existing·configuration·without·any·merge,·use</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">set_handler_config</span><span·class="p"·data-group-id=" | 3580 | <p>Update·the·formatter·configuration·for·the·specified·handler.</p><p>The·new·configuration·is·merged·with·the·existing·formatter·configuration.</p><p>To·overwrite·the·existing·configuration·without·any·merge,·use</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">set_handler_config</span><span·class="p"·data-group-id="4013291876-1">(</span><span·class="n">HandlerId</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">formatter</span><span·class="p">,</span><span·class="w"> |
| 3581 | » ······</span><span·class="p"·data-group-id=" | 3581 | » ······</span><span·class="p"·data-group-id="4013291876-2">{</span><span·class="n">FormatterModule</span><span·class="p">,</span><span·class="w">·</span><span·class="n">FormatterConfig</span><span·class="p"·data-group-id="4013291876-2">}</span><span·class="p"·data-group-id="4013291876-1">)</span><span·class="p">.</span></code></pre> |
| 3582 | ··</section> | 3582 | ··</section> |
| 3583 | </section> | 3583 | </section> |
| 3584 | <section·class="detail"·id="update_formatter_config/3"> | 3584 | <section·class="detail"·id="update_formatter_config/3"> |
| 3585 | ··<div·class="detail-header"> | 3585 | ··<div·class="detail-header"> |
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| 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 186 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 187 | ··</a> | 187 | ··</a> |
| 188 | ··<span·class="text">Logger·API</span> | 188 | ··<span·class="text">Logger·API</span> |
| 189 | </h2> | 189 | </h2> |
| 190 | <p>The·API·for·logging·consists·of·a·set·of·<a·href="logger.html#module-macros">macros</a>,·and·a·set | 190 | <p>The·API·for·logging·consists·of·a·set·of·<a·href="logger.html#module-macros">macros</a>,·and·a·set |
| 191 | of·functions·on·the·form·<code·class="inline">logger:Level/1,2,3</code>,·which·are·all·shortcuts·for | 191 | of·functions·on·the·form·<code·class="inline">logger:Level/1,2,3</code>,·which·are·all·shortcuts·for |
| 192 | <a·href="logger.html#log/2"><code·class="inline">logger:log(Level,Arg1[,Arg2[,Arg3]])</code></a>.</p><p>The·macros·are·defined·in·<code·class="inline">logger.hrl</code>,·which·is·included·in·a·module·with·the | 192 | <a·href="logger.html#log/2"><code·class="inline">logger:log(Level,Arg1[,Arg2[,Arg3]])</code></a>.</p><p>The·macros·are·defined·in·<code·class="inline">logger.hrl</code>,·which·is·included·in·a·module·with·the |
| 193 | directive</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 193 | directive</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="1033806757-1">(</span><span·class="s">"kernel/include/logger.hrl"</span><span·class="p"·data-group-id="1033806757-1">)</span><span·class="p">.</span></code></pre><p>The·difference·between·using·the·macros·and·the·exported·functions·is·that |
| 194 | macros·add·location·(originator)·information·to·the·metadata,·and·performs·lazy | 194 | macros·add·location·(originator)·information·to·the·metadata,·and·performs·lazy |
| 195 | evaluation·by·wrapping·the·logger·call·in·a·case·statement,·so·it·is·only | 195 | evaluation·by·wrapping·the·logger·call·in·a·case·statement,·so·it·is·only |
| 196 | evaluated·if·the·log·level·of·the·event·passes·the·primary·log·level·check.</p><h3·id="log-level"·class="section-heading"> | 196 | evaluated·if·the·log·level·of·the·event·passes·the·primary·log·level·check.</p><h3·id="log-level"·class="section-heading"> |
| 197 | ··<a·href="#log-level"·class="hover-link"> | 197 | ··<a·href="#log-level"·class="hover-link"> |
| 198 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 198 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 199 | ··</a> | 199 | ··</a> |
| 200 | ··<span·class="text">Log·Level</span> | 200 | ··<span·class="text">Log·Level</span> |
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| 208 | ··<a·href="#log-message"·class="hover-link"> | 208 | ··<a·href="#log-message"·class="hover-link"> |
| 209 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 209 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 210 | ··</a> | 210 | ··</a> |
| 211 | ··<span·class="text">Log·Message</span> | 211 | ··<span·class="text">Log·Message</span> |
| 212 | </h3> | 212 | </h3> |
| 213 | <p>The·log·message·contains·the·information·to·be·logged.·The·message·can·consist | 213 | <p>The·log·message·contains·the·information·to·be·logged.·The·message·can·consist |
| 214 | of·a·format·string·and·arguments·(given·as·two·separate·parameters·in·the·Logger | 214 | of·a·format·string·and·arguments·(given·as·two·separate·parameters·in·the·Logger |
| 215 | API),·a·string·or·a·report.</p><p>Example,·format·string·and·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="16 | 215 | API),·a·string·or·a·report.</p><p>Example,·format·string·and·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="1622265187-1">(</span><span·class="s">"The·file·does·not·exist:·~ts"</span><span·class="p">,</span><span·class="p"·data-group-id="1622265187-2">[</span><span·class="n">Filename</span><span·class="p"·data-group-id="1622265187-2">]</span><span·class=[·...·truncated·by·diffoscope;·len:·365,·SHA:·cb8865c59d2892630fa843bc4e050d1493c20e7a65c1c72bb9aa8fd487cdfa8a·...·]-1">)</span></code></pre><p>A·report,·which·is·either·a·map·or·a·key-value·list,·is·the·preferred·way·to·log |
| 216 | using·Logger·as·it·makes·it·possible·for·different·backends·to·filter·and·format | 216 | using·Logger·as·it·makes·it·possible·for·different·backends·to·filter·and·format |
| 217 | the·log·event·as·it·needs·to.</p><p>Example,·report:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">LOG_ERROR</span><span·class="p"·data-group-id=" | 217 | the·log·event·as·it·needs·to.</p><p>Example,·report:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">LOG_ERROR</span><span·class="p"·data-group-id="5205943192-1">(</span><span·class="p"·data-group-id="5205943192-2">#{</span><span·class="w">·</span><span·class="ss">user</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">joe</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·464,·SHA:·cf7093f305261bfe9ce6584f2f706418992c219573017859afe261e1b8d1eb80·...·]-1">)</span></code></pre><p>Reports·can·be·accompanied·by·a·<em>report·callback</em>·specified·in·the·log·event's |
| 218 | <a·href="#metadata">metadata</a>.·The·report·callback·is·a·convenience | 218 | <a·href="#metadata">metadata</a>.·The·report·callback·is·a·convenience |
| 219 | function·that·the·<a·href="#formatters">formatter</a>·can·use·to·convert | 219 | function·that·the·<a·href="#formatters">formatter</a>·can·use·to·convert |
| 220 | the·report·to·a·format·string·and·arguments,·or·directly·to·a·string.·The | 220 | the·report·to·a·format·string·and·arguments,·or·directly·to·a·string.·The |
| 221 | formatter·can·also·use·its·own·conversion·function,·if·no·callback·is·provided, | 221 | formatter·can·also·use·its·own·conversion·function,·if·no·callback·is·provided, |
| 222 | or·if·a·customized·formatting·is·desired.</p><p>The·report·callback·must·be·a·fun·with·one·or·two·arguments.·If·it·takes·one | 222 | or·if·a·customized·formatting·is·desired.</p><p>The·report·callback·must·be·a·fun·with·one·or·two·arguments.·If·it·takes·one |
| 223 | argument,·this·is·the·report·itself,·and·the·fun·returns·a·format·string·and | 223 | argument,·this·is·the·report·itself,·and·the·fun·returns·a·format·string·and |
| 224 | arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="5749421937-1">(</span><span·class="p"·data-group-id="5749421937-2">(</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">report</span><span·class="p"·data-group-id="5749421937-3">(</span><span·class="p"·data-group-id="5749421937-3">)</span><span·class="p"·data-group-id="5749421937-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="5749421937-4">{</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5749421937-5">(</span><span·class="p"·data-group-id="5749421937-5">)</span><span·class="p">,</span><span·class="p"·data-group-id="5749421937-6">[</span><span·class="nf">term</span><span·class="p"·data-group-id="5749421937-7">(</span><span·class="p"·data-group-id="5749421937-7">)</span><span·class="p"·data-group-id="5749421937-6">]</span><span·class="p"·data-group-id="5749421937-4">}</span><span·class="p"·data-group-id="5749421937-1">)</span></code></pre><p>If·it·takes·two·arguments,·the·first·is·the·report,·and·the·second·is·a·map | ||
| 225 | 224 | arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="3576731602-1">(</span><span·class="p"·data-group-id="3576731602-2">(</span><span·class="nc">logger</span><span·class="p">:</span><span·c[·...·truncated·by·diffoscope;·len:·958,·SHA:·d0fb7b19ec11c3036102961c2e1fe11cff17842cd28f225cc361f735554b76c3·...·] | |
| 225 | containing·extra·data·that·allows·direct·conversion·to·a·string:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="6549593928-1">(</span><span·class="p"·data-group-id="6549593928-2">(</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">report</span><span·class="p"·data-group-id="6549593928-3">(</span><span·class="p"·data-group-id="6549593928-3">)</span><span·class="p">,</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">report_cb_config</span><span·class="p"·data-group-id="6549593928-4">(</span><span·class="p"·data-group-id="6549593928-4">)</span><span·class="p"·data-group-id="6549593928-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">chardata</span><span·class="p"·data-group-id="6549593928-5">(</span><span·class="p"·data-group-id="6549593928-5">)</span><span·class="p"·data-group-id="6549593928-1">)</span></code></pre><p>The·fun·must·obey·the·<code·class="inline">depth</code>·and·<code·class="inline">chars_limit</code>·parameters·provided·in·the | ||
| 226 | second·argument,·as·the·formatter·cannot·do·anything·useful·of·these·parameters | 226 | second·argument,·as·the·formatter·cannot·do·anything·useful·of·these·parameters |
| 227 | with·the·returned·string.·The·extra·data·also·contains·a·field·named | 227 | with·the·returned·string.·The·extra·data·also·contains·a·field·named |
| 228 | <code·class="inline">single_line</code>,·indicating·if·the·printed·log·message·may·contain·line·breaks·or | 228 | <code·class="inline">single_line</code>,·indicating·if·the·printed·log·message·may·contain·line·breaks·or |
| 229 | not.·This·variant·is·used·when·the·formatting·of·the·report·depends·on·the·size | 229 | not.·This·variant·is·used·when·the·formatting·of·the·report·depends·on·the·size |
| 230 | or·single·line·parameters.</p><p>Example,·report,·and·metadata·with·report·callback:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">debug</span><span·class="p"·data-group-id=" | 230 | or·single·line·parameters.</p><p>Example,·report,·and·metadata·with·report·callback:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">debug</span><span·class="p"·data-group-id="4119819220-1">(</span><span·class="p"·data-group-id="4119819220-2">#{</span><span·class="ss">got</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">connection_request</span><span·class="p">,</span><span·class[·...·truncated·by·diffoscope;·len:·362,·SHA:·d592ed1607bd5997b9a34d2b43c7bda6b1ad1b77d777be95a3986fcad08c3206·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 231 | ·············</span><span·class="p"·data-group-id=" | 231 | ·············</span><span·class="p"·data-group-id="4119819220-3">#{</span><span·class="ss">report_cb</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="4119819220-4">(</span><span·class="n">R</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·597,·SHA:·3d5736caa4cf0cc99466bef685022e658843567b027990d4fa35dabf6bc81e77·...·]-1">)</span></code></pre><p>The·log·message·can·also·be·provided·through·a·fun·for·lazy·evaluation.·The·fun |
| 232 | is·only·evaluated·if·the·primary·log·level·check·passes,·and·is·therefore | 232 | is·only·evaluated·if·the·primary·log·level·check·passes,·and·is·therefore |
| 233 | recommended·if·it·is·expensive·to·generate·the·message.·The·lazy·fun·must·return | 233 | recommended·if·it·is·expensive·to·generate·the·message.·The·lazy·fun·must·return |
| 234 | a·string,·a·report,·or·a·tuple·with·format·string·and·arguments.</p><h3·id="metadata"·class="section-heading"> | 234 | a·string,·a·report,·or·a·tuple·with·format·string·and·arguments.</p><h3·id="metadata"·class="section-heading"> |
| 235 | ··<a·href="#metadata"·class="hover-link"> | 235 | ··<a·href="#metadata"·class="hover-link"> |
| 236 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 236 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 237 | ··</a> | 237 | ··</a> |
| 238 | ··<span·class="text">Metadata</span> | 238 | ··<span·class="text">Metadata</span> |
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| 412 | with·<a·href="../../../../lib/sasl-4.2.2/doc/html/error_logging.html">SASL·Error·Logging</a>,·which·is·specified·with | 412 | with·<a·href="../../../../lib/sasl-4.2.2/doc/html/error_logging.html">SASL·Error·Logging</a>,·which·is·specified·with |
| 413 | <a·href="#logger_sasl_compatible"><code·class="inline">logger_sasl_compatible</code></a>.</p><p>With·this·parameter,·you·can·modify·or·disable·the·default·handler,·add·custom | 413 | <a·href="#logger_sasl_compatible"><code·class="inline">logger_sasl_compatible</code></a>.</p><p>With·this·parameter,·you·can·modify·or·disable·the·default·handler,·add·custom |
| 414 | handlers·and·primary·logger·filters,·set·log·levels·per·module,·and·modify·the | 414 | handlers·and·primary·logger·filters,·set·log·levels·per·module,·and·modify·the |
| 415 | <a·href="#logger-proxy">proxy</a>·configuration.</p><p><code·class="inline">Config</code>·is·any·(zero·or·more)·of·the·following:</p><ul><li><p><strong><code·class="inline">{handler,·default,·undefined}</code></strong>·-·Disables·the·default·handler.·This | 415 | <a·href="#logger-proxy">proxy</a>·configuration.</p><p><code·class="inline">Config</code>·is·any·(zero·or·more)·of·the·following:</p><ul><li><p><strong><code·class="inline">{handler,·default,·undefined}</code></strong>·-·Disables·the·default·handler.·This |
| 416 | allows·another·application·to·add·its·own·default·handler.</p><p>Only·one·entry·of·this·type·is·allowed.</p></li><li><p><strong><code·class="inline">{handler,·HandlerId,·Module,·HandlerConfig}</code></strong>·-·If·<code·class="inline">HandlerId</code>·is | 416 | allows·another·application·to·add·its·own·default·handler.</p><p>Only·one·entry·of·this·type·is·allowed.</p></li><li><p><strong><code·class="inline">{handler,·HandlerId,·Module,·HandlerConfig}</code></strong>·-·If·<code·class="inline">HandlerId</code>·is |
| 417 | <code·class="inline">default</code>,·then·this·entry·modifies·the·default·handler,·equivalent·to | 417 | <code·class="inline">default</code>,·then·this·entry·modifies·the·default·handler,·equivalent·to |
| 418 | calling</p><pre><code·class="text">········logger:remove_handler(default) | 418 | calling</p><pre><code·class="text">········logger:remove_handler(default) |
| 419 | </code></pre><p>followed·by</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id=" | 419 | </code></pre><p>followed·by</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id="4406272208-1">(</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">HandlerConfig</span><span·class="p"·data-group-id="4406272208-1">)</span><span·class="w"> |
| 420 | </span></code></pre><p>For·all·other·values·of·<code·class="inline">HandlerId</code>,·this·entry·adds·a·new·handler, | 420 | </span></code></pre><p>For·all·other·values·of·<code·class="inline">HandlerId</code>,·this·entry·adds·a·new·handler, |
| 421 | equivalent·to·calling</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id=" | 421 | equivalent·to·calling</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id="6401959055-1">(</span><span·class="n">HandlerId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">HandlerConfig</span><span·class="p"·data-group-id="6401959055-1">)</span><span·class="w"> |
| 422 | </span></code></pre><p>Multiple·entries·of·this·type·are·allowed.</p></li><li><p><strong><code·class="inline">{filters,·FilterDefault,·[Filter]}</code></strong>·-·Adds·the·specified·primary | 422 | </span></code></pre><p>Multiple·entries·of·this·type·are·allowed.</p></li><li><p><strong><code·class="inline">{filters,·FilterDefault,·[Filter]}</code></strong>·-·Adds·the·specified·primary |
| 423 | filters.</p><ul><li><p><code·class="inline">FilterDefault·=·log·|·stop</code></p></li><li><code·class="inline">Filter·=·{FilterId,·{FilterFun,·FilterConfig}}</code></li></ul><p>Equivalent·to·calling</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_primary_filter</span><span·class="p"·data-group-id=" | 423 | filters.</p><ul><li><p><code·class="inline">FilterDefault·=·log·|·stop</code></p></li><li><code·class="inline">Filter·=·{FilterId,·{FilterFun,·FilterConfig}}</code></li></ul><p>Equivalent·to·calling</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_primary_filter</span><span·class="p"·data-group-id="1942015262-1">(</span><span·class="n">FilterId</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1942015262-2">{</span><span·class="n">FilterFun</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Filter[·...·truncated·by·diffoscope;·len:·107,·SHA:·ee70dc955db1879d15a4af1e66209639a4d041c5a7a8079e72105da12a3bf2c6·...·]-1">)</span><span·class="w"> |
| 424 | </span></code></pre><p>for·each·<code·class="inline">Filter</code>.</p><p><code·class="inline">FilterDefault</code>·specifies·the·behaviour·if·all·primary·filters·return | 424 | </span></code></pre><p>for·each·<code·class="inline">Filter</code>.</p><p><code·class="inline">FilterDefault</code>·specifies·the·behaviour·if·all·primary·filters·return |
| 425 | <code·class="inline">ignore</code>,·see·section·<a·href="#filters">Filters</a>.</p><p>Only·one·entry·of·this·type·is·allowed.</p></li><li><p><strong><code·class="inline">{module_level,·Level,·[Module]}</code></strong>·-·Sets·module·log·level·for·the·given | 425 | <code·class="inline">ignore</code>,·see·section·<a·href="#filters">Filters</a>.</p><p>Only·one·entry·of·this·type·is·allowed.</p></li><li><p><strong><code·class="inline">{module_level,·Level,·[Module]}</code></strong>·-·Sets·module·log·level·for·the·given |
| 426 | modules.·Equivalent·to·calling</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">set_module_level</span><span·class="p"·data-group-id=" | 426 | modules.·Equivalent·to·calling</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">set_module_level</span><span·class="p"·data-group-id="1427402508-1">(</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Level</span><span·class="p"·data-group-id="1427402508-1">)</span></code></pre><p>for·each·<code·class="inline">Module</code>.</p><p>Multiple·entries·of·this·type·are·allowed.</p></li><li><p><strong><code·class="inline">{proxy,·ProxyConfig}</code></strong>·-·Sets·the·proxy·configuration,·equivalent·to |
| 427 | calling</p><pre><code·class="text">········logger:set_proxy_config(ProxyConfig) | 427 | calling</p><pre><code·class="text">········logger:set_proxy_config(ProxyConfig) |
| 428 | </code></pre><p>Only·one·entry·of·this·type·is·allowed.</p></li></ul><p>See·section·<a·href="#configuration-examples">Configuration·Examples</a>·for | 428 | </code></pre><p>Only·one·entry·of·this·type·is·allowed.</p></li></ul><p>See·section·<a·href="#configuration-examples">Configuration·Examples</a>·for |
| 429 | examples·using·the·<code·class="inline">logger</code>·parameter·for·system·configuration.</p></li><li><p><strong><code·class="inline"·id="logger_metadata">logger_metadata·=·map()</code></strong>·-·Specifies·the·primary | 429 | examples·using·the·<code·class="inline">logger</code>·parameter·for·system·configuration.</p></li><li><p><strong><code·class="inline"·id="logger_metadata">logger_metadata·=·map()</code></strong>·-·Specifies·the·primary |
| 430 | metadata.·See·the·<a·href="kernel_app.html#logger_metadata"><code·class="inline">kernel(6)</code></a>·manual·page·for | 430 | metadata.·See·the·<a·href="kernel_app.html#logger_metadata"><code·class="inline">kernel(6)</code></a>·manual·page·for |
| 431 | more·information·about·this·parameter.</p></li><li><p><strong><code·class="inline"·id="logger_level">logger_level·=·Level</code></strong>·-·Specifies·the·primary·log | 431 | more·information·about·this·parameter.</p></li><li><p><strong><code·class="inline"·id="logger_level">logger_level·=·Level</code></strong>·-·Specifies·the·primary·log |
| 432 | level.·See·the·<a·href="kernel_app.html#logger_level"><code·class="inline">kernel(6)</code></a>·manual·page·for·more | 432 | level.·See·the·<a·href="kernel_app.html#logger_level"><code·class="inline">kernel(6)</code></a>·manual·page·for·more |
| 433 | information·about·this·parameter.</p></li><li><p><strong><code·class="inline"·id="logger_sasl_compatible">logger_sasl_compatible·=·true·|·false</code></strong>·- | 433 | information·about·this·parameter.</p></li><li><p><strong><code·class="inline"·id="logger_sasl_compatible">logger_sasl_compatible·=·true·|·false</code></strong>·- |
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| 442 | </h3> | 442 | </h3> |
| 443 | <p>The·value·of·the·Kernel·configuration·parameter·<code·class="inline">logger</code>·is·a·list·of·tuples.·It | 443 | <p>The·value·of·the·Kernel·configuration·parameter·<code·class="inline">logger</code>·is·a·list·of·tuples.·It |
| 444 | is·possible·to·write·the·term·on·the·command·line·when·starting·an·erlang·node, | 444 | is·possible·to·write·the·term·on·the·command·line·when·starting·an·erlang·node, |
| 445 | but·as·the·term·grows,·a·better·approach·is·to·use·the·system·configuration | 445 | but·as·the·term·grows,·a·better·approach·is·to·use·the·system·configuration |
| 446 | file.·See·the·<a·href="config.html"><code·class="inline">config(4)</code></a>·manual·page·for·more·information·about | 446 | file.·See·the·<a·href="config.html"><code·class="inline">config(4)</code></a>·manual·page·for·more·information·about |
| 447 | this·file.</p><p>Each·of·the·following·examples·shows·a·simple·system·configuration·file·that | 447 | this·file.</p><p>Each·of·the·following·examples·shows·a·simple·system·configuration·file·that |
| 448 | configures·Logger·according·to·the·description.</p><p>Modify·the·default·handler·to·print·to·a·file·instead·of | 448 | configures·Logger·according·to·the·description.</p><p>Modify·the·default·handler·to·print·to·a·file·instead·of |
| 449 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#t:standard_io/0"><code·class="inline">standard_io</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 449 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#t:standard_io/0"><code·class="inline">standard_io</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8034581842-1">[</span><span·class="p"·data-group-id="8034581842-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 450 | ··</span><span·class="p"·data-group-id=" | 450 | ··</span><span·class="p"·data-group-id="8034581842-3">[</span><span·class="p"·data-group-id="8034581842-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 451 | ····</span><span·class="p"·data-group-id=" | 451 | ····</span><span·class="p"·data-group-id="8034581842-5">[</span><span·class="p"·data-group-id="8034581842-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w">··</span><span·class="c1">%·{handler,·HandlerId,·Module,</span><span·class="w"> |
| 452 | ······</span><span·class="p"·data-group-id=" | 452 | ······</span><span·class="p"·data-group-id="8034581842-7">#{</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="8034581842-8">#{</span><span·class="ss">file</span><span·class="w">·</span><span·class="p">=>[·...·truncated·by·diffoscope;·len:·227,·SHA:·85aa462431b7170fcf4e9cdf977766c40a8b67a917d0e942b62e49bf154e7c97·...·]-6">}</span><span·class="w">··</span><span·class="c1">%·Config}</span><span·class="w"> |
| 453 | ····</span><span·class="p"·data-group-id=" | 453 | ····</span><span·class="p"·data-group-id="8034581842-5">]</span><span·class="p"·data-group-id="8034581842-4">}</span><span·class="p"·data-group-id="8034581842-3">]</span><span·class="p"·data-group-id="8034581842-2">}</span><span·class="p"·data-group-id="8034581842-1">]</span><span·class="p">.</spa[·...·truncated·by·diffoscope;·len:·232,·SHA:·2ccb3b3d43c3867f0225a7e5963d37ce2c4c710b7d9a676070c753fb0eee7b24·...·]-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 454 | ··</span><span·class="p"·data-group-id="3087899926-3">[</span><span·class="p"·data-group-id="3087899926-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> | ||
| 455 | ····</span><span·class="p"·data-group-id="3087899926-5">[</span><span·class="p"·data-group-id="3087899926-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> | ||
| 456 | ······</span><span·class="p"·data-group-id="3087899926-7">#{</span><span·class="ss">formatter</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="3087899926-8">{</span><span·class="ss">logger_formatter</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3087899926-9">#{</span><span·class="ss">single_line</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="3087899926-9">}</span><span·class="p"·data-group-id="3087899926-8">}</span><span·class="p"·data-group-id="3087899926-7">}</span><span·class="p"·data-group-id="3087899926-6">}</span><span·class="w"> | ||
| 457 | ····</span><span·class="p"·data-group-id="3087899926-5">]</span><span·class="p"·data-group-id="3087899926-4">}</span><span·class="p"·data-group-id="3087899926-3">]</span><span·class="p"·data-group-id="3087899926-2">}</span><span·class="p"·data-group-id="3087899926-1">]</span><span·class="p">.</span></code></pre><p>Modify·the·default·handler·to·print·the·pid·of·the·logging·process·for·each·log | ||
| 458 | event:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4295181572-1">[</span><span·class="p"·data-group-id="4295181572-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> | ||
| 459 | ··</span><span·class="p"·data-group-id=" | 454 | ··</span><span·class="p"·data-group-id="9951376530-3">[</span><span·class="p"·data-group-id="9951376530-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 460 | ····</span><span·class="p"·data-group-id=" | 455 | ····</span><span·class="p"·data-group-id="9951376530-5">[</span><span·class="p"·data-group-id="9951376530-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> |
| 456 | ······</span><span·class="p"·data-group-id="9951376530-7">#{</span><span·class="ss">formatter</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="9951376530-8">{</span><span·class="ss">logger_formatter</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9951376530-9">#{</span><span·class="ss">single_line</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="9951376530-9">}</span><span·class="p"·data-group-id="9951376530-8">}</span><span·class="p"·data-group-id="9951376530-7">}</span><span·class="p"·data-group-id="9951376530-6">}</span><span·class="w"> | ||
| 457 | ····</span><span·class="p"·data-group-id="9951376530-5">]</span><span·class="p"·data-group-id="9951376530-4">}</span><span·class="p"·data-group-id="9951376530-3">]</span><span·class="p"·data-group-id="9951376530-2">}</span><span·class="p"·data-group-id="9951376530-1">]</span><span·class="p">.</span></code></pre><p>Modify·the·default·handler·to·print·the·pid·of·the·logging·process·for·each·log | ||
| 458 | event:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5262447259-1">[</span><span·class="p"·data-group-id="5262447259-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> | ||
| 459 | ··</span><span·class="p"·data-group-id="5262447259-3">[</span><span·class="p"·data-group-id="5262447259-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> | ||
| 460 | ····</span><span·class="p"·data-group-id="5262447259-5">[</span><span·class="p"·data-group-id="5262447259-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> | ||
| 461 | ······</span><span·class="p"·data-group-id=" | 461 | ······</span><span·class="p"·data-group-id="5262447259-7">#{</span><span·class="ss">formatter</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="5262447259-8">{</span><span·class="ss">logger_formatter</span><span·class="p">,</span><span·class="w"> |
| 462 | ························</span><span·class="p"·data-group-id=" | 462 | ························</span><span·class="p"·data-group-id="5262447259-9">#{</span><span·class="ss">template</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="5262447259-10">[</span><span·class="ss">time</span><span·class="p">,</span><span·class="s">&qu[·...·truncated·by·diffoscope;·len:·494,·SHA:·f1f1c71bce8dc68654285d6d61c669d28ae2ea13ede4ed3af475ea0ed55f2526·...·]-6">}</span><span·class="w"> |
| 463 | ····</span><span·class="p"·data-group-id=" | 463 | ····</span><span·class="p"·data-group-id="5262447259-5">]</span><span·class="p"·data-group-id="5262447259-4">}</span><span·class="p"·data-group-id="5262447259-3">]</span><span·class="p"·data-group-id="5262447259-2">}</span><span·class="p"·data-group-id="5262447259-1">]</span><span·class="p">.</span></code></pre><p>Modify·the·default·handler·to·only·print·errors·and·more·severe·log·events·to |
| 464 | "log/erlang.log",·and·add·another·handler·to·print·all·log·events·to | 464 | "log/erlang.log",·and·add·another·handler·to·print·all·log·events·to |
| 465 | "log/debug.log".</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 465 | "log/debug.log".</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1223827911-1">[</span><span·class="p"·data-group-id="1223827911-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 466 | ··</span><span·class="p"·data-group-id=" | 466 | ··</span><span·class="p"·data-group-id="1223827911-3">[</span><span·class="p"·data-group-id="1223827911-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 467 | ····</span><span·class="p"·data-group-id=" | 467 | ····</span><span·class="p"·data-group-id="1223827911-5">[</span><span·class="p"·data-group-id="1223827911-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> |
| 468 | ······</span><span·class="p"·data-group-id=" | 468 | ······</span><span·class="p"·data-group-id="1223827911-7">#{</span><span·class="ss">level</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">error</span><span·class="p">,</span><span·class="w"> |
| 469 | ········</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 469 | ········</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="1223827911-8">#{</span><span·class="ss">file</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"log/erlang.log"</span><span·class="p"·data-group-id="1223827911-8">}</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·67,·SHA:·5499cfbe97277139c44b92668a3ecf05d6c0bd4ad17d2e3999d8942dff953816·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 470 | ·····</span><span·class="p"·data-group-id=" | 470 | ·····</span><span·class="p"·data-group-id="1223827911-9">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">info</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> |
| 471 | ······</span><span·class="p"·data-group-id=" | 471 | ······</span><span·class="p"·data-group-id="1223827911-10">#{</span><span·class="ss">level</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">debug</span><span·class="p">,</span><span·class="w"> |
| 472 | ········</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 472 | ········</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="1223827911-11">#{</span><span·class="ss">file</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"log/debug.log"</span><span·class="p"·data-group-id="1223827911-11">}</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·69,·SHA:·028769756461bd691d778db6d04c91c81ce2ddffa2c62de5b4101b8d1bddb9db·...·]-9">}</span><span·class="w"> |
| 473 | ····</span><span·class="p"·data-group-id=" | 473 | ····</span><span·class="p"·data-group-id="1223827911-5">]</span><span·class="p"·data-group-id="1223827911-4">}</span><span·class="p"·data-group-id="1223827911-3">]</span><span·class="p"·data-group-id="1223827911-2">}</span><span·class="p"·data-group-id="1223827911-1">]</span><span·class="p">.</span></code></pre><h2·id="backwards-compatibility-with-error_logger"·class="section-heading"> |
| 474 | ··<a·href="#backwards-compatibility-with-error_logger"·class="hover-link"> | 474 | ··<a·href="#backwards-compatibility-with-error_logger"·class="hover-link"> |
| 475 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 475 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 476 | ··</a> | 476 | ··</a> |
| 477 | ··<span·class="text">Backwards·Compatibility·with·error_logger</span> | 477 | ··<span·class="text">Backwards·Compatibility·with·error_logger</span> |
| 478 | </h2> | 478 | </h2> |
| 479 | <p>Logger·provides·backwards·compatibility·with·<code·class="inline">error_logger</code>·in·the·following | 479 | <p>Logger·provides·backwards·compatibility·with·<code·class="inline">error_logger</code>·in·the·following |
| 480 | ways:</p><ul><li><p><strong>API·for·Logging</strong>·-·The·<code·class="inline">error_logger</code>·API·still·exists,·but·should·only·be | 480 | ways:</p><ul><li><p><strong>API·for·Logging</strong>·-·The·<code·class="inline">error_logger</code>·API·still·exists,·but·should·only·be |
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| 507 | <code·class="inline">true</code>.·The | 507 | <code·class="inline">true</code>.·The |
| 508 | <a·href="../../../../lib/sasl-4.2.2/doc/html/sasl_app.html#deprecated_error_logger_config">SASL·configuration·parameters</a> | 508 | <a·href="../../../../lib/sasl-4.2.2/doc/html/sasl_app.html#deprecated_error_logger_config">SASL·configuration·parameters</a> |
| 509 | can·then·be·used·as·before,·and·the·SASL·reports·will·only·be·printed·if·the | 509 | can·then·be·used·as·before,·and·the·SASL·reports·will·only·be·printed·if·the |
| 510 | SASL·application·is·running,·through·a·second·log·handler·named·<code·class="inline">sasl</code>.</p><p>All·SASL·reports·have·a·metadata·field·<code·class="inline">domain</code>·which·is·set·to·<code·class="inline">[otp,sasl]</code>. | 510 | SASL·application·is·running,·through·a·second·log·handler·named·<code·class="inline">sasl</code>.</p><p>All·SASL·reports·have·a·metadata·field·<code·class="inline">domain</code>·which·is·set·to·<code·class="inline">[otp,sasl]</code>. |
| 511 | This·field·can·be·used·by·filters·to·stop·or·allow·the·log·events.</p><p>See·section·<a·href="../../../../lib/sasl-4.2.2/doc/html/error_logging.html">SASL·User's·Guide</a>·for·more | 511 | This·field·can·be·used·by·filters·to·stop·or·allow·the·log·events.</p><p>See·section·<a·href="../../../../lib/sasl-4.2.2/doc/html/error_logging.html">SASL·User's·Guide</a>·for·more |
| 512 | information·about·the·old·SASL·error·logging·functionality.</p></li><li><p><strong><a·href=""·id="legacy_event_handlers"></a>·Legacy·Event·Handlers</strong><br/>To·use·event·handlers·written·for·<code·class="inline">error_logger</code>,·just·add·your·event·handler | 512 | information·about·the·old·SASL·error·logging·functionality.</p></li><li><p><strong><a·href=""·id="legacy_event_handlers"></a>·Legacy·Event·Handlers</strong><br/>To·use·event·handlers·written·for·<code·class="inline">error_logger</code>,·just·add·your·event·handler |
| 513 | with</p><pre><code·class="text">error_logger:add_report_handler/1,2.</code></pre><p>This·automatically·starts·the·error·logger·event·manager,·and·adds | 513 | with</p><pre><code·class="text">error_logger:add_report_handler/1,2.</code></pre><p>This·automatically·starts·the·error·logger·event·manager,·and·adds |
| 514 | <code·class="inline">error_logger</code>·as·a·handler·to·Logger,·with·the·following·configuration:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3 | 514 | <code·class="inline">error_logger</code>·as·a·handler·to·Logger,·with·the·following·configuration:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3648070080-1">#{</span><span·class="ss">level</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">info</span><span·class="p">,</span><span·class="w"> |
| 515 | ··</span><span·class="ss">filter_default</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">log</span><span·class="p">,</span><span·class="w"> | 515 | ··</span><span·class="ss">filter_default</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">log</span><span·class="p">,</span><span·class="w"> |
| 516 | ··</span><span·class="ss">filters</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="3 | 516 | ··</span><span·class="ss">filters</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="3648070080-2">[</span><span·class="p"·data-group-id="3648070080-2">]</span><span·class="p"·data-group-id="3648070080-1">}</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·handler·ignores·events·that·do·not·originate·from·the·<code·class="inline">error_logger</code> |
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| 140 | </h2> | 140 | </h2> |
| 141 | <h3·id="print-the-primary-logger-configurations"·class="section-heading"> | 141 | <h3·id="print-the-primary-logger-configurations"·class="section-heading"> |
| 142 | ··<a·href="#print-the-primary-logger-configurations"·class="hover-link"> | 142 | ··<a·href="#print-the-primary-logger-configurations"·class="hover-link"> |
| 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 144 | ··</a> | 144 | ··</a> |
| 145 | ··<span·class="text">Print·the·primary·Logger·configurations.</span> | 145 | ··<span·class="text">Print·the·primary·Logger·configurations.</span> |
| 146 | </h3> | 146 | </h3> |
| 147 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">i</span><span·class="p"·data-group-id=" | 147 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">i</span><span·class="p"·data-group-id="2173074470-1">(</span><span·class="ss">primary</span><span·class="p"·data-group-id="2173074470-1">)</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="n">Primary</span><span·class="w">·</span><span·class="nc">configuration</span><span·class="p">:</span><span·class="w"> | 148 | </span><span·class="n">Primary</span><span·class="w">·</span><span·class="nc">configuration</span><span·class="p">:</span><span·class="w"> |
| 149 | ····</span><span·class="n">Level</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">notice</span><span·class="w"> | 149 | ····</span><span·class="n">Level</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">notice</span><span·class="w"> |
| 150 | ····</span><span·class="n">Filter</span><span·class="w">·</span><span·class="n">Default</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">log</span><span·class="w"> | 150 | ····</span><span·class="n">Filter</span><span·class="w">·</span><span·class="n">Default</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">log</span><span·class="w"> |
| 151 | ····</span><span·class="n">Filters</span><span·class="p">:</span><span·class="w"> | 151 | ····</span><span·class="n">Filters</span><span·class="p">:</span><span·class="w"> |
| 152 | ········</span><span·class="p"·data-group-id=" | 152 | ········</span><span·class="p"·data-group-id="2173074470-2">(</span><span·class="ss">none</span><span·class="p"·data-group-id="2173074470-2">)</span></code></pre><p>It·is·also·possible·to·fetch·the·configuration·using |
| 153 | <a·href="logger.html#get_primary_config/0"><code·class="inline">logger:get_primary_config()</code></a>.</p><h4>See·also</h4><ul><li><a·href="logger.html#i/0">logger:i()</a></li><li><a·href="logger_chapter.html#configuration">Configuration</a>·in·the·Logging·User's·Guide</li></ul><h3·id="print-the-configuration-of-all-handlers"·class="section-heading"> | 153 | <a·href="logger.html#get_primary_config/0"><code·class="inline">logger:get_primary_config()</code></a>.</p><h4>See·also</h4><ul><li><a·href="logger.html#i/0">logger:i()</a></li><li><a·href="logger_chapter.html#configuration">Configuration</a>·in·the·Logging·User's·Guide</li></ul><h3·id="print-the-configuration-of-all-handlers"·class="section-heading"> |
| 154 | ··<a·href="#print-the-configuration-of-all-handlers"·class="hover-link"> | 154 | ··<a·href="#print-the-configuration-of-all-handlers"·class="hover-link"> |
| 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 156 | ··</a> | 156 | ··</a> |
| 157 | ··<span·class="text">Print·the·configuration·of·all·handlers.</span> | 157 | ··<span·class="text">Print·the·configuration·of·all·handlers.</span> |
| 158 | </h3> | 158 | </h3> |
| 159 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">i</span><span·class="p"·data-group-id=" | 159 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">i</span><span·class="p"·data-group-id="9288351769-1">(</span><span·class="ss">handlers</span><span·class="p"·data-group-id="9288351769-1">)</span><span·class="p">.</span><span·class="w"> |
| 160 | </span><span·class="n">Handler</span><span·class="w">·</span><span·class="nc">configuration</span><span·class="p">:</span><span·class="w"> | 160 | </span><span·class="n">Handler</span><span·class="w">·</span><span·class="nc">configuration</span><span·class="p">:</span><span·class="w"> |
| 161 | ····</span><span·class="n">Id</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">default</span><span·class="w"> | 161 | ····</span><span·class="n">Id</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">default</span><span·class="w"> |
| 162 | ········</span><span·class="n">Module</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="w"> | 162 | ········</span><span·class="n">Module</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="w"> |
| 163 | ········</span><span·class="n">Level</span><span·class="p">:</span><span·class="w">··</span><span·class="ss">all</span><span·class="w"> | 163 | ········</span><span·class="n">Level</span><span·class="p">:</span><span·class="w">··</span><span·class="ss">all</span><span·class="w"> |
| 164 | ········</span><span·class="n">Formatter</span><span·class="p">:</span><span·class="w"> | 164 | ········</span><span·class="n">Formatter</span><span·class="p">:</span><span·class="w"> |
| 165 | ············</span><span·class="n">Module</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">logger_formatter</span><span·class="w"> | 165 | ············</span><span·class="n">Module</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">logger_formatter</span><span·class="w"> |
| 166 | ············</span><span·class="n">Config</span><span·class="p">:</span><span·class="w"> | 166 | ············</span><span·class="n">Config</span><span·class="p">:</span><span·class="w"> |
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| 169 | ········</span><span·class="n">Filter</span><span·class="w">·</span><span·class="n">Default</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">stop</span><span·class="w"> | 169 | ········</span><span·class="n">Filter</span><span·class="w">·</span><span·class="n">Default</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">stop</span><span·class="w"> |
| 170 | ········</span><span·class="n">Filters</span><span·class="p">:</span><span·class="w"> | 170 | ········</span><span·class="n">Filters</span><span·class="p">:</span><span·class="w"> |
| 171 | ············</span><span·class="n">Id</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">remote_gl</span><span·class="w"> | 171 | ············</span><span·class="n">Id</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">remote_gl</span><span·class="w"> |
| 172 | ················</span><span·class="n">Fun</span><span·class="p">:</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">remote_gl</span><span·class="p">/</span><span·class="mi">2</span><span·class="w"> | 172 | ················</span><span·class="n">Fun</span><span·class="p">:</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">remote_gl</span><span·class="p">/</span><span·class="mi">2</span><span·class="w"> |
| 173 | ················</span><span·class="n">Arg</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">stop</span><span·class="w"> | 173 | ················</span><span·class="n">Arg</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">stop</span><span·class="w"> |
| 174 | ············</span><span·class="n">Id</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">domain</span><span·class="w"> | 174 | ············</span><span·class="n">Id</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">domain</span><span·class="w"> |
| 175 | ················</span><span·class="n">Fun</span><span·class="p">:</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">domain</span><span·class="p">/</span><span·class="mi">2</span><span·class="w"> | 175 | ················</span><span·class="n">Fun</span><span·class="p">:</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">domain</span><span·class="p">/</span><span·class="mi">2</span><span·class="w"> |
| 176 | ················</span><span·class="n">Arg</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 176 | ················</span><span·class="n">Arg</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="9288351769-2">{</span><span·class="ss">log</span><span·class="p">,</span><span·class="ss">super</span><span·class="p">,</span><span·class="p"·data-group-id="9288351769-3">[</span><span·class="ss">otp</span><span·class="p">,</span><span·class="ss">sasl</spa[·...·truncated·by·diffoscope;·len:·96,·SHA:·c13e44517ee2289651429261417fd2406142844dae15e54fe42f85da28aab030·...·]-2">}</span><span·class="w"> |
| 177 | ············</span><span·class="n">Id</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">no_domain</span><span·class="w"> | 177 | ············</span><span·class="n">Id</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">no_domain</span><span·class="w"> |
| 178 | ················</span><span·class="n">Fun</span><span·class="p">:</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">domain</span><span·class="p">/</span><span·class="mi">2</span><span·class="w"> | 178 | ················</span><span·class="n">Fun</span><span·class="p">:</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">domain</span><span·class="p">/</span><span·class="mi">2</span><span·class="w"> |
| 179 | ················</span><span·class="n">Arg</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 179 | ················</span><span·class="n">Arg</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="9288351769-4">{</span><span·class="ss">log</span><span·class="p">,</span><span·class="ss">undefined</span><span·class="p">,</span><span·class="p"·data-group-id="9288351769-5">[</span><span·class="p"·data-group-id="9288351769-5">]</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·e782a25eaf5b5b480dff48776b79a242147fb787280e72c8625fe1021f923f0f·...·]-4">}</span><span·class="w"> |
| 180 | ········</span><span·class="n">Handler</span><span·class="w">·</span><span·class="n">Config</span><span·class="p">:</span><span·class="w"> | 180 | ········</span><span·class="n">Handler</span><span·class="w">·</span><span·class="n">Config</span><span·class="p">:</span><span·class="w"> |
| 181 | ············</span><span·class="nc">burst_limit_enable</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">true</span><span·class="w"> | 181 | ············</span><span·class="nc">burst_limit_enable</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">true</span><span·class="w"> |
| 182 | ············</span><span·class="nc">burst_limit_max_count</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">500</span><span·class="w"> | 182 | ············</span><span·class="nc">burst_limit_max_count</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">500</span><span·class="w"> |
| 183 | ············</span><span·class="nc">burst_limit_window_time</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">1000</span><span·class="w"> | 183 | ············</span><span·class="nc">burst_limit_window_time</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">1000</span><span·class="w"> |
| 184 | ············</span><span·class="nc">drop_mode_qlen</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">200</span><span·class="w"> | 184 | ············</span><span·class="nc">drop_mode_qlen</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">200</span><span·class="w"> |
| 185 | ············</span><span·class="nc">filesync_repeat_interval</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">no_repeat</span><span·class="w"> | 185 | ············</span><span·class="nc">filesync_repeat_interval</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">no_repeat</span><span·class="w"> |
| 186 | ············</span><span·class="nc">flush_qlen</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">1000</span><span·class="w"> | 186 | ············</span><span·class="nc">flush_qlen</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">1000</span><span·class="w"> |
| Offset 211, 15 lines modified | Offset 211, 15 lines modified | ||
| 211 | level·to·<code·class="inline">info</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">kernel</span><span·class="w">·</span><span·class="ss">logger_level</span><span·class="w">·</span><span·class="ss">info</span><span·class="w"> | 211 | level·to·<code·class="inline">info</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">kernel</span><span·class="w">·</span><span·class="ss">logger_level</span><span·class="w">·</span><span·class="ss">info</span><span·class="w"> |
| 212 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">4</span><span·class="o">-</span><span·class="n">Nov</span><span·class="o">-</span><span·class="mi">2019</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">33</span><span·class="p">:</span><span·class="mf">11.742069</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> | 212 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">4</span><span·class="o">-</span><span·class="n">Nov</span><span·class="o">-</span><span·class="mi">2019</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">33</span><span·class="p">:</span><span·class="mf">11.742069</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> |
| 213 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">kernel</span><span·class="w"> | 213 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">kernel</span><span·class="w"> |
| 214 | ····</span><span·class="nc">started_at</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nonode@nohost</span><span·class="w"> | 214 | ····</span><span·class="nc">started_at</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nonode@nohost</span><span·class="w"> |
| 215 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">4</span><span·class="o">-</span><span·class="n">Nov</span><span·class="o">-</span><span·class="mi">2019</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">33</span><span·class="p">:</span><span·class="mf">11.746546</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> | 215 | </span><span·class="o">=</span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="o">==</span><span·class="o">==</span><span·class="w">·</span><span·class="mi">4</span><span·class="o">-</span><span·class="n">Nov</span><span·class="o">-</span><span·class="mi">2019</span><span·class="p">:</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">33</span><span·class="p">:</span><span·class="mf">11.746546</span><span·class="w">·</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> |
| 216 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">stdlib</span><span·class="w"> | 216 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">stdlib</span><span·class="w"> |
| 217 | ····</span><span·class="nc">started_at</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nonode@nohost</span><span·class="w"> | 217 | ····</span><span·class="nc">started_at</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">nonode@nohost</span><span·class="w"> |
| 218 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mf">5.3</span><span·class="w">··</span><span·class="p"·data-group-id=" | 218 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mf">5.3</span><span·class="w">··</span><span·class="p"·data-group-id="8925992325-1">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="8925992325-1">)</span><span·class="w"> |
| 219 | </span><span·class="mi">1</span><span·class="o">></span></code></pre><h2·id="configure-logger-formatter"·class="section-heading"> | 219 | </span><span·class="mi">1</span><span·class="o">></span></code></pre><h2·id="configure-logger-formatter"·class="section-heading"> |
| 220 | ··<a·href="#configure-logger-formatter"·class="hover-link"> | 220 | ··<a·href="#configure-logger-formatter"·class="hover-link"> |
| 221 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 221 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 222 | ··</a> | 222 | ··</a> |
| 223 | ··<span·class="text">Configure·Logger·formatter</span> | 223 | ··<span·class="text">Configure·Logger·formatter</span> |
| 224 | </h2> | 224 | </h2> |
| 225 | <p>In·order·to·fit·better·into·your·existing·logging·infrastructure·Logger·can | 225 | <p>In·order·to·fit·better·into·your·existing·logging·infrastructure·Logger·can |
| Offset 229, 40 lines modified | Offset 229, 40 lines modified | ||
| 229 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 229 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 230 | ··</a> | 230 | ··</a> |
| 231 | ··<span·class="text">Single·line·configuration</span> | 231 | ··<span·class="text">Single·line·configuration</span> |
| 232 | </h3> | 232 | </h3> |
| 233 | <p>Since·single·line·logging·is·the·default·of·the·built-in·formatter·you·only·have | 233 | <p>Since·single·line·logging·is·the·default·of·the·built-in·formatter·you·only·have |
| 234 | to·provide·the·empty·map·as·the·configuration.·The·example·below·uses·the | 234 | to·provide·the·empty·map·as·the·configuration.·The·example·below·uses·the |
| 235 | <code·class="inline">sys.config</code>·to·change·the·formatter·configuration.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">cat</span><span·class="w">·</span><span·class="ss">sys</span><span·class="p">.</span><span·class="ss">config</span><span·class="w"> | 235 | <code·class="inline">sys.config</code>·to·change·the·formatter·configuration.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">cat</span><span·class="w">·</span><span·class="ss">sys</span><span·class="p">.</span><span·class="ss">config</span><span·class="w"> |
| 236 | </span><span·class="p"·data-group-id=" | 236 | </span><span·class="p"·data-group-id="9508147063-1">[</span><span·class="p"·data-group-id="9508147063-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 237 | ··</span><span·class="p"·data-group-id=" | 237 | ··</span><span·class="p"·data-group-id="9508147063-3">[</span><span·class="p"·data-group-id="9508147063-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 238 | ····</span><span·class="p"·data-group-id=" | 238 | ····</span><span·class="p"·data-group-id="9508147063-5">[</span><span·class="p"·data-group-id="9508147063-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> |
| 239 | ······</span><span·class="p"·data-group-id=" | 239 | ······</span><span·class="p"·data-group-id="9508147063-7">#{</span><span·class="w">·</span><span·class="ss">formatter</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="9508147063-8">{</span><span·class="ss">logger_formatter</span><span·c[·...·truncated·by·diffoscope;·len:·584,·SHA:·dd80fb83641812da2e35bb784de8d5bd67134fa2c73ff24e6abc15b919e47daf·...·]-1">]</span><span·class="p">.</span><span·class="w"> |
| 240 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">config</span><span·class="w">·</span><span·class="ss">sys</span><span·class="w"> | 240 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">config</span><span·class="w">·</span><span·class="ss">sys</span><span·class="w"> |
| 241 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mf">5.1</span><span·class="w">··</span><span·class="p"·data-group-id=" | 241 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mf">5.1</span><span·class="w">··</span><span·class="p"·data-group-id="9508147063-10">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="9508147063-10">)</span><span·class="gp·unselectable"> |
| 242 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id=" | 242 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="9508147063-11">(</span><span·class="s">"Oh·noes,·an·error"</span><span·class="p"·data-group-id="9508147063-11">)</span><span·class="p">.</span><span·class="w"> |
| 243 | </span><span·class="mi">1962</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">03</span><span·class="n">T11</span><span·class="p">:</span><span·class="mi">07</span><span·class="p">:</span><span·class="mf">47.466763</span><span·class="o">-</span><span·class="mi">04</span><span·class="p">:</span><span·class="mi">00</span><span·class="w">·</span><span·class="nc">error</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Oh</span><span·class="w">·</span><span·class="ss">noes</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">an</span><span·class="w">·</span><span·class="ss">error</span></code></pre><p>However,·if·you·just·want·to·change·it·for·the·current·session·you·can·also·do | 243 | </span><span·class="mi">1962</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">03</span><span·class="n">T11</span><span·class="p">:</span><span·class="mi">07</span><span·class="p">:</span><span·class="mf">47.466763</span><span·class="o">-</span><span·class="mi">04</span><span·class="p">:</span><span·class="mi">00</span><span·class="w">·</span><span·class="nc">error</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Oh</span><span·class="w">·</span><span·class="ss">noes</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">an</span><span·class="w">·</span><span·class="ss">error</span></code></pre><p>However,·if·you·just·want·to·change·it·for·the·current·session·you·can·also·do |
| 244 | that.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">set_handler_config</span><span·class="p"·data-group-id=" | 244 | that.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">set_handler_config</span><span·class="p"·data-group-id="5991634686-1">(</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">formatter</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5991634686-2">{</span><span·class="ss">logg[·...·truncated·by·diffoscope;·len:·268,·SHA:·7f377d7065d9559e82cb1956b95361835a3ca5c3a4edb63b22b82a60193692ed·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 245 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 245 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 246 | 2>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id=" | 246 | 2>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="5991634686-4">(</span><span·class="s">"Oh·noes,·another·error"</span><span·class="p"·data-group-id="5991634686-4">)</span><span·class="p">.</span><span·class="w"> |
| 247 | </span><span·class="mi">1962</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">04</span><span·class="n">T15</span><span·class="p">:</span><span·class="mi">34</span><span·class="p">:</span><span·class="mf">02.648713</span><span·class="o">-</span><span·class="mi">04</span><span·class="p">:</span><span·class="mi">00</span><span·class="w">·</span><span·class="nc">error</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Oh</span><span·class="w">·</span><span·class="ss">noes</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">another</span><span·class="w">·</span><span·class="ss">error</span></code></pre><h4>See·also</h4><ul><li><a·href="logger_formatter.html#t:config/0">logger_formatter's·Configuration</a></li><li><a·href="logger_chapter.html#formatters">Formatters</a>·in·the·Logging·User's·Guide</li><li><a·href="logger.html#set_handler_config/3"><code·class="inline">logger:set_handler_config/3</code></a></li></ul><h3·id="add-file-and-line-number-to-log-entries"·class="section-heading"> | 247 | </span><span·class="mi">1962</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">04</span><span·class="n">T15</span><span·class="p">:</span><span·class="mi">34</span><span·class="p">:</span><span·class="mf">02.648713</span><span·class="o">-</span><span·class="mi">04</span><span·class="p">:</span><span·class="mi">00</span><span·class="w">·</span><span·class="nc">error</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Oh</span><span·class="w">·</span><span·class="ss">noes</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">another</span><span·class="w">·</span><span·class="ss">error</span></code></pre><h4>See·also</h4><ul><li><a·href="logger_formatter.html#t:config/0">logger_formatter's·Configuration</a></li><li><a·href="logger_chapter.html#formatters">Formatters</a>·in·the·Logging·User's·Guide</li><li><a·href="logger.html#set_handler_config/3"><code·class="inline">logger:set_handler_config/3</code></a></li></ul><h3·id="add-file-and-line-number-to-log-entries"·class="section-heading"> |
| 248 | ··<a·href="#add-file-and-line-number-to-log-entries"·class="hover-link"> | 248 | ··<a·href="#add-file-and-line-number-to-log-entries"·class="hover-link"> |
| 249 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 249 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 250 | ··</a> | 250 | ··</a> |
| 251 | ··<span·class="text">Add·file·and·line·number·to·log·entries</span> | 251 | ··<span·class="text">Add·file·and·line·number·to·log·entries</span> |
| 252 | </h3> | 252 | </h3> |
| 253 | <p>You·can·change·what·is·printed·to·the·log·by·using·the·formatter·template:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">cat</span><span·class="w">·</span><span·class="ss">sys</span><span·class="p">.</span><span·class="ss">config</span><span·class="w"> | 253 | <p>You·can·change·what·is·printed·to·the·log·by·using·the·formatter·template:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">cat</span><span·class="w">·</span><span·class="ss">sys</span><span·class="p">.</span><span·class="ss">config</span><span·class="w"> |
| 254 | </span><span·class="p"·data-group-id=" | 254 | </span><span·class="p"·data-group-id="7051617457-1">[</span><span·class="p"·data-group-id="7051617457-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 255 | ··</span><span·class="p"·data-group-id=" | 255 | ··</span><span·class="p"·data-group-id="7051617457-3">[</span><span·class="p"·data-group-id="7051617457-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 256 | ····</span><span·class="p"·data-group-id=" | 256 | ····</span><span·class="p"·data-group-id="7051617457-5">[</span><span·class="p"·data-group-id="7051617457-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> |
| 257 | ······</span><span·class="p"·data-group-id=" | 257 | ······</span><span·class="p"·data-group-id="7051617457-7">#{</span><span·class="w">·</span><span·class="ss">formatter</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="7051617457-8">{</span><span·class="ss">logger_formatter</span><span·class="p">,</span><span·class="w"> |
| 258 | ········</span><span·class="p"·data-group-id=" | 258 | ········</span><span·class="p"·data-group-id="7051617457-9">#{</span><span·class="w">·</span><span·class="ss">template</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="7051617457-10">[</span><span·class="ss">time</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·1058,·SHA:·7bd2351d4a9011f1c367a2945d281f01e707572760ece9a4e9be41c87b2d11bf·...·]-1">]</span><span·class="p">.</span><span·class="w"> |
| 259 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">config</span><span·class="w">·</span><span·class="ss">sys</span><span·class="w"> | 259 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">config</span><span·class="w">·</span><span·class="ss">sys</span><span·class="w"> |
| 260 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mf">5.1</span><span·class="w">··</span><span·class="p"·data-group-id=" | 260 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mf">5.1</span><span·class="w">··</span><span·class="p"·data-group-id="7051617457-11">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="7051617457-11">)</span><span·class="gp·unselectable"> |
| 261 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id=" | 261 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="7051617457-12">(</span><span·class="s">"Oh·noes,·more·errors"</span><span·class="p">,</span><span·class="p"·data-group-id="7051617457-13">#{</span><span·class="w">·</span><span·class="ss">file</span><span·class="w">·</span><span·class="p">=></[·...·truncated·by·diffoscope;·len:·369,·SHA:·65cf7c947731b7f6eeab9f46c50b277fa28c823567d727cf596b75369da5e051·...·]-12">)</span><span·class="p">.</span><span·class="w"> |
| 262 | </span><span·class="mi">1962</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">05</span><span·class="n">T07</span><span·class="p">:</span><span·class="mi">37</span><span·class="p">:</span><span·class="mf">44.104241</span><span·class="o">+</span><span·class="mi">02</span><span·class="p">:</span><span·class="mi">00</span><span·class="w">·</span><span·class="ss">shell</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">1</span><span·class="w">·</span><span·class="nc">error</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Oh</span><span·class="w">·</span><span·class="ss">noes</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">more</span><span·class="w">·</span><span·class="ss">errors</span></code></pre><p>Note·that·file·and·line·have·to·be·added·in·the·metadata·by·the·caller·of | 262 | </span><span·class="mi">1962</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">05</span><span·class="n">T07</span><span·class="p">:</span><span·class="mi">37</span><span·class="p">:</span><span·class="mf">44.104241</span><span·class="o">+</span><span·class="mi">02</span><span·class="p">:</span><span·class="mi">00</span><span·class="w">·</span><span·class="ss">shell</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">1</span><span·class="w">·</span><span·class="nc">error</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Oh</span><span·class="w">·</span><span·class="ss">noes</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">more</span><span·class="w">·</span><span·class="ss">errors</span></code></pre><p>Note·that·file·and·line·have·to·be·added·in·the·metadata·by·the·caller·of |
| 263 | <a·href="logger.html#log/3"><code·class="inline">logger:log/3</code></a>·as·otherwise·Logger·will·not·know·from·where·it·was·called.·The | 263 | <a·href="logger.html#log/3"><code·class="inline">logger:log/3</code></a>·as·otherwise·Logger·will·not·know·from·where·it·was·called.·The |
| 264 | file·and·line·number·are·automatically·added·if·you·use·the·<code·class="inline">?LOG_ERROR</code>·macros | 264 | file·and·line·number·are·automatically·added·if·you·use·the·<code·class="inline">?LOG_ERROR</code>·macros |
| 265 | in·<code·class="inline">kernel/include/logger.hrl</code>.</p><h4>See·also</h4><ul><li><a·href="logger_formatter.html#t:config/0">logger_formatter's·Configuration</a></li><li><a·href="logger_formatter.html#t:template/0">logger_formatter's·Template</a></li><li><a·href="logger.html#module-macros">Logger·Macros</a></li><li><a·href="logger_chapter.html#metadata">Metadata</a>·in·the·Logging·User's·Guide</li></ul><h2·id="configuring-handlers"·class="section-heading"> | 265 | in·<code·class="inline">kernel/include/logger.hrl</code>.</p><h4>See·also</h4><ul><li><a·href="logger_formatter.html#t:config/0">logger_formatter's·Configuration</a></li><li><a·href="logger_formatter.html#t:template/0">logger_formatter's·Template</a></li><li><a·href="logger.html#module-macros">Logger·Macros</a></li><li><a·href="logger_chapter.html#metadata">Metadata</a>·in·the·Logging·User's·Guide</li></ul><h2·id="configuring-handlers"·class="section-heading"> |
| 266 | ··<a·href="#configuring-handlers"·class="hover-link"> | 266 | ··<a·href="#configuring-handlers"·class="hover-link"> |
| 267 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 267 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 268 | ··</a> | 268 | ··</a> |
| Offset 271, 67 lines modified | Offset 271, 67 lines modified | ||
| 271 | <h3·id="print-logs-to-a-file"·class="section-heading"> | 271 | <h3·id="print-logs-to-a-file"·class="section-heading"> |
| 272 | ··<a·href="#print-logs-to-a-file"·class="hover-link"> | 272 | ··<a·href="#print-logs-to-a-file"·class="hover-link"> |
| 273 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 273 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 274 | ··</a> | 274 | ··</a> |
| 275 | ··<span·class="text">Print·logs·to·a·file</span> | 275 | ··<span·class="text">Print·logs·to·a·file</span> |
| 276 | </h3> | 276 | </h3> |
| 277 | <p>Instead·of·printing·the·logs·to·stdout·we·print·them·to·a·rotating·file·log.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">cat</span><span·class="w">·</span><span·class="ss">sys</span><span·class="p">.</span><span·class="ss">config</span><span·class="w"> | 277 | <p>Instead·of·printing·the·logs·to·stdout·we·print·them·to·a·rotating·file·log.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">cat</span><span·class="w">·</span><span·class="ss">sys</span><span·class="p">.</span><span·class="ss">config</span><span·class="w"> |
| 278 | </span><span·class="p"·data-group-id=" | 278 | </span><span·class="p"·data-group-id="7796665118-1">[</span><span·class="p"·data-group-id="7796665118-2">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w"> |
| 279 | ··</span><span·class="p"·data-group-id=" | 279 | ··</span><span·class="p"·data-group-id="7796665118-3">[</span><span·class="p"·data-group-id="7796665118-4">{</span><span·class="ss">logger</span><span·class="p">,</span><span·class="w"> |
| 280 | ····</span><span·class="p"·data-group-id=" | 280 | ····</span><span·class="p"·data-group-id="7796665118-5">[</span><span·class="p"·data-group-id="7796665118-6">{</span><span·class="ss">handler</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> |
| 281 | ······</span><span·class="p"·data-group-id=" | 281 | ······</span><span·class="p"·data-group-id="7796665118-7">#{</span><span·class="w">·</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="7796665118-8">#{</span><span·class="w">·</span><span·class="ss">file</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"log/erlang.log"</span><span·class="p">,</span><span·class="w"> |
| 282 | ······················</span><span·class="ss">max_no_bytes</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">4096</span><span·class="p">,</span><span·class="w"> | 282 | ······················</span><span·class="ss">max_no_bytes</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">4096</span><span·class="p">,</span><span·class="w"> |
| 283 | ······················</span><span·class="ss">max_no_files</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">5</span><span·class="p"·data-group-id=" | 283 | ······················</span><span·class="ss">max_no_files</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">5</span><span·class="p"·data-group-id="7796665118-8">}</span><span·class="p">,</span><span·class="w"> |
| 284 | ·········</span><span·class="ss">formatter</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 284 | ·········</span><span·class="ss">formatter</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="7796665118-9">{</span><span·class="ss">logger_formatter</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7796665118-10">#{</span><span·class="p"·data-group-id="7796665118-10">}</span><span·class="p"·data-group-id="779666[·...·truncated·by·diffoscope;·len:·375,·SHA:·7335f5594032461b553fdf2664c311f557119fbfcaef0184988a8dd6697ab9a4·...·]-1">]</span><span·class="p">.</span><span·class="w"> |
| 285 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">config</span><span·class="w">·</span><span·class="ss">sys</span><span·class="w"> | 285 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">config</span><span·class="w">·</span><span·class="ss">sys</span><span·class="w"> |
| 286 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mf">5.1</span><span·class="w">··</span><span·class="p"·data-group-id=" | 286 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V10</span><span·class="p">.</span><span·class="mf">5.1</span><span·class="w">··</span><span·class="p"·data-group-id="7796665118-11">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="7796665118-11">)</span><span·class="gp·unselectable"> |
| 287 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id=" | 287 | 1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="7796665118-12">(</span><span·class="s">"Oh·noes,·even·more·errors"</span><span·class="p"·data-group-id="7796665118-12">)</span><span·class="p">.</span><span·class="w"> |
| 288 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 288 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 289 | 2>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">halt</span><span·class="p"·data-group-id=" | 289 | 2>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">halt</span><span·class="p"·data-group-id="7796665118-13">(</span><span·class="p"·data-group-id="7796665118-13">)</span><span·class="p">.</span><span·class="w"> |
| 290 | </span><span·class="sc">$·</span><span·class="ss">cat</span><span·class="w">·</span><span·class="ss">log</span><span·class="o">/</span><span·class="ss">erlang</span><span·class="p">.</span><span·class="ss">log</span><span·class="w"> | 290 | </span><span·class="sc">$·</span><span·class="ss">cat</span><span·class="w">·</span><span·class="ss">log</span><span·class="o">/</span><span·class="ss">erlang</span><span·class="p">.</span><span·class="ss">log</span><span·class="w"> |
| 291 | </span><span·class="mi">2019</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">07</span><span·class="n">T11</span><span·class="p">:</span><span·class="mi">47</span><span·class="p">:</span><span·class="mf">16.837958</span><span·class="o">+</span><span·class="mi">02</span><span·class="p">:</span><span·class="mi">00</span><span·class="w">·</span><span·class="nc">error</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Oh</span><span·class="w">·</span><span·class="ss">noes</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">even</span><span·class="w">·</span><span·class="ss">more</span><span·class="w">·</span><span·class="ss">errors</span></code></pre><h4>See·also</h4><ul><li><a·href="logger_std_h.html"><code·class="inline">logger_std_h</code></a></li><li><a·href="logger_chapter.html#handlers">Handlers</a>·in·the·Logging·User's·Guide</li></ul><h3·id="debug-only-handler"·class="section-heading"> | 291 | </span><span·class="mi">2019</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">07</span><span·class="n">T11</span><span·class="p">:</span><span·class="mi">47</span><span·class="p">:</span><span·class="mf">16.837958</span><span·class="o">+</span><span·class="mi">02</span><span·class="p">:</span><span·class="mi">00</span><span·class="w">·</span><span·class="nc">error</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Oh</span><span·class="w">·</span><span·class="ss">noes</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">even</span><span·class="w">·</span><span·class="ss">more</span><span·class="w">·</span><span·class="ss">errors</span></code></pre><h4>See·also</h4><ul><li><a·href="logger_std_h.html"><code·class="inline">logger_std_h</code></a></li><li><a·href="logger_chapter.html#handlers">Handlers</a>·in·the·Logging·User's·Guide</li></ul><h3·id="debug-only-handler"·class="section-heading"> |
| 292 | ··<a·href="#debug-only-handler"·class="hover-link"> | 292 | ··<a·href="#debug-only-handler"·class="hover-link"> |
| 293 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 293 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 160 | sync·if·something·has·actually·been·logged.</p><p>Defaults·to·<code·class="inline">5000</code>·milliseconds.</p><p>If·<code·class="inline">no_repeat</code>·is·set·as·value,·the·repeated·sync·operation·is·disabled.·The | 160 | sync·if·something·has·actually·been·logged.</p><p>Defaults·to·<code·class="inline">5000</code>·milliseconds.</p><p>If·<code·class="inline">no_repeat</code>·is·set·as·value,·the·repeated·sync·operation·is·disabled.·The |
| 161 | user·can·also·call·the·<a·href="#filesync/1"><code·class="inline">filesync/1</code></a>·function·to·perform·a | 161 | user·can·also·call·the·<a·href="#filesync/1"><code·class="inline">filesync/1</code></a>·function·to·perform·a |
| 162 | disk_log·sync.</p></li></ul><p>Other·configuration·parameters·exist,·to·be·used·for·customizing·the·overload | 162 | disk_log·sync.</p></li></ul><p>Other·configuration·parameters·exist,·to·be·used·for·customizing·the·overload |
| 163 | protection·behaviour.·The·same·parameters·are·used·both·in·the·standard·handler | 163 | protection·behaviour.·The·same·parameters·are·used·both·in·the·standard·handler |
| 164 | and·the·disk_log·handler,·and·are·documented·in·the | 164 | and·the·disk_log·handler,·and·are·documented·in·the |
| 165 | <a·href="logger_chapter.html#overload_protection"><code·class="inline">User's·Guide</code></a>.</p><p>Notice·that·when·changing·the·configuration·of·the·handler·in·runtime,·the | 165 | <a·href="logger_chapter.html#overload_protection"><code·class="inline">User's·Guide</code></a>.</p><p>Notice·that·when·changing·the·configuration·of·the·handler·in·runtime,·the |
| 166 | disk_log·options·(<code·class="inline">file</code>,·<code·class="inline">type</code>,·<code·class="inline">max_no_files</code>,·<code·class="inline">max_no_bytes</code>)·must·not·be | 166 | disk_log·options·(<code·class="inline">file</code>,·<code·class="inline">type</code>,·<code·class="inline">max_no_files</code>,·<code·class="inline">max_no_bytes</code>)·must·not·be |
| 167 | modified.</p><p>Example·of·adding·a·disk_log·handler:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id=" | 167 | modified.</p><p>Example·of·adding·a·disk_log·handler:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id="7767495230-1">(</span><span·class="ss">my_disk_log_h</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_disk_log_h</span><span·class="p">,</span><span·class="w"> |
| 168 | ···················</span><span·class="p"·data-group-id=" | 168 | ···················</span><span·class="p"·data-group-id="7767495230-2">#{</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="7767495230-3">#{</span><span·class="ss">file</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"./my_disk_log"</span><span·class="p">,</span><span·class="w"> |
| 169 | ·································</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">wrap</span><span·class="p">,</span><span·class="w"> | 169 | ·································</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">wrap</span><span·class="p">,</span><span·class="w"> |
| 170 | ·································</span><span·class="ss">max_no_files</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">4</span><span·class="p">,</span><span·class="w"> | 170 | ·································</span><span·class="ss">max_no_files</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">4</span><span·class="p">,</span><span·class="w"> |
| 171 | ·································</span><span·class="ss">max_no_bytes</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">10000</span><span·class="p">,</span><span·class="w"> | 171 | ·································</span><span·class="ss">max_no_bytes</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">10000</span><span·class="p">,</span><span·class="w"> |
| 172 | ·································</span><span·class="ss">filesync_repeat_interval</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">1000</span><span·class="p"·data-group-id=" | 172 | ·································</span><span·class="ss">filesync_repeat_interval</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">1000</span><span·class="p"·data-group-id="7767495230-3">}</span><span·class="p"·data-group-id="7767495230-2">}</span><span·class="p"·data-group-id="7767495230-1">)</span><span·class="p">.</span></code></pre><p>To·use·the·disk_log·handler·instead·of·the·default·standard·handler·when |
| 173 | starting·an·Erlang·node,·change·the·Kernel·default·logger·to·use | 173 | starting·an·Erlang·node,·change·the·Kernel·default·logger·to·use |
| 174 | <code·class="inline">logger_disk_log_h</code>.·Example:</p><pre><code·class="text">erl·-kernel·logger·'[{handler,default,logger_disk_log_h, | 174 | <code·class="inline">logger_disk_log_h</code>.·Example:</p><pre><code·class="text">erl·-kernel·logger·'[{handler,default,logger_disk_log_h, |
| 175 | ······················#{config·=>·#{file·=>·"./system_disk_log"}}}]'</code></pre><h2·id="module-see-also"·class="section-heading"> | 175 | ······················#{config·=>·#{file·=>·"./system_disk_log"}}}]'</code></pre><h2·id="module-see-also"·class="section-heading"> |
| 176 | ··<a·href="#module-see-also"·class="hover-link"> | 176 | ··<a·href="#module-see-also"·class="hover-link"> |
| 177 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 177 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 178 | ··</a> | 178 | ··</a> |
| 179 | ··<span·class="text">See·Also</span> | 179 | ··<span·class="text">See·Also</span> |
| Offset 269, 15 lines modified | Offset 269, 15 lines modified | ||
| 269 | ······<p·class="built-using"> | 269 | ······<p·class="built-using"> |
| 270 | ········Built·using | 270 | ········Built·using |
| 271 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 271 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 272 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 272 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 273 | ······</p> | 273 | ······</p> |
| 274 | <p>Copyright·©·1996-202 | 274 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 275 | ····</footer> | 275 | ····</footer> |
| 276 | ··</div> | 276 | ··</div> |
| 277 | </main> | 277 | </main> |
| 278 | </div> | 278 | </div> |
| 279 | <script> | 279 | <script> |
| 280 | ··function·mermaidLoaded()·{ | 280 | ··function·mermaidLoaded()·{ |
| 281 | ····mermaid.initialize({ | 281 | ····mermaid.initialize({ |
| Offset 245, 35 lines modified | Offset 245, 35 lines modified | ||
| 245 | ······</div> | 245 | ······</div> |
| 246 | <p>This·filter·provides·a·way·of·filtering·log·events·based·on·a·<code·class="inline">domain</code>·field·in | 246 | <p>This·filter·provides·a·way·of·filtering·log·events·based·on·a·<code·class="inline">domain</code>·field·in |
| 247 | <code·class="inline">Metadata</code>.·This·field·is·optional,·and·the·purpose·of·using·it·is·to·group·log | 247 | <code·class="inline">Metadata</code>.·This·field·is·optional,·and·the·purpose·of·using·it·is·to·group·log |
| 248 | events·from,·for·example,·a·specific·functional·area.·This·allows·filtering·or | 248 | events·from,·for·example,·a·specific·functional·area.·This·allows·filtering·or |
| 249 | other·specialized·treatment·in·a·Logger·handler.</p><p>A·domain·field·must·be·a·list·of·atoms,·creating·smaller·and·more·specialized | 249 | other·specialized·treatment·in·a·Logger·handler.</p><p>A·domain·field·must·be·a·list·of·atoms,·creating·smaller·and·more·specialized |
| 250 | domains·as·the·list·grows·longer.·The·greatest·domain·is·<code·class="inline">[]</code>,·which·comprises | 250 | domains·as·the·list·grows·longer.·The·greatest·domain·is·<code·class="inline">[]</code>,·which·comprises |
| 251 | all·possible·domains.</p><p>For·example,·consider·the·following·domains:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">D1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 251 | all·possible·domains.</p><p>For·example,·consider·the·following·domains:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">D1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6128049403-1">[</span><span·class="ss">otp</span><span·class="p"·data-group-id="6128049403-1">]</span><span·class="w"> |
| 252 | </span><span·class="n">D2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 252 | </span><span·class="n">D2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6128049403-2">[</span><span·class="ss">otp</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">sasl</span><span·class="p"·data-group-id="6128049403-2">]</span></code></pre><p><code·class="inline">D1</code>·is·the·greatest·of·the·two,·and·is·said·to·be·a·super-domain·of·<code·class="inline">D2</code>.·<code·class="inline">D2</code> |
| 253 | is·a·sub-domain·<code·class="inline">D1</code>.·Both·<code·class="inline">D1</code>·and·<code·class="inline">D2</code>·are·sub-domains·of·<code·class="inline">[]</code>.</p><p>The·above·domains·are·used·for·logs·originating·from·Erlang/OTP.·D1·specifies | 253 | is·a·sub-domain·<code·class="inline">D1</code>.·Both·<code·class="inline">D1</code>·and·<code·class="inline">D2</code>·are·sub-domains·of·<code·class="inline">[]</code>.</p><p>The·above·domains·are·used·for·logs·originating·from·Erlang/OTP.·D1·specifies |
| 254 | that·the·log·event·comes·from·Erlang/OTP·in·general,·and·D2·indicates·that·the | 254 | that·the·log·event·comes·from·Erlang/OTP·in·general,·and·D2·indicates·that·the |
| 255 | log·event·is·a·so·called·<a·href="logger_chapter.html#sasl_reports">SASL·report</a>.</p><p>The·<code·class="inline">Extra</code>·parameter·to·the·<a·href="#domain/2"><code·class="inline">domain/2</code></a>·function·is·specified·when | 255 | log·event·is·a·so·called·<a·href="logger_chapter.html#sasl_reports">SASL·report</a>.</p><p>The·<code·class="inline">Extra</code>·parameter·to·the·<a·href="#domain/2"><code·class="inline">domain/2</code></a>·function·is·specified·when |
| 256 | adding·the·filter·via·<a·href="logger.html#add_primary_filter/2"><code·class="inline">logger:add_primary_filter/2</code></a>·or | 256 | adding·the·filter·via·<a·href="logger.html#add_primary_filter/2"><code·class="inline">logger:add_primary_filter/2</code></a>·or |
| 257 | <a·href="logger.html#add_handler_filter/3"><code·class="inline">logger:add_handler_filter/3</code></a>.</p><p>The·filter·compares·the·value·of·the·<code·class="inline">domain</code>·field·in·the·log·event's·metadata | 257 | <a·href="logger.html#add_handler_filter/3"><code·class="inline">logger:add_handler_filter/3</code></a>.</p><p>The·filter·compares·the·value·of·the·<code·class="inline">domain</code>·field·in·the·log·event's·metadata |
| 258 | (<code·class="inline">Domain</code>)·against·<code·class="inline">MatchDomain</code>.·The·filter·matches·if·the·value·of·<code·class="inline">Compare</code> | 258 | (<code·class="inline">Domain</code>)·against·<code·class="inline">MatchDomain</code>.·The·filter·matches·if·the·value·of·<code·class="inline">Compare</code> |
| 259 | is:</p><ul><li><p><strong><code·class="inline">sub</code></strong>·-·and·<code·class="inline">Domain</code>·is·equal·to·or·a·sub-domain·of·<code·class="inline">MatchDomain</code>,·that | 259 | is:</p><ul><li><p><strong><code·class="inline">sub</code></strong>·-·and·<code·class="inline">Domain</code>·is·equal·to·or·a·sub-domain·of·<code·class="inline">MatchDomain</code>,·that |
| 260 | is,·if·<code·class="inline">MatchDomain</code>·is·a·prefix·of·<code·class="inline">Domain</code>.</p></li><li><p><strong><code·class="inline">super</code></strong>·-·and·<code·class="inline">Domain</code>·is·equal·to·or·a·super-domain·of·<code·class="inline">MatchDomain</code>, | 260 | is,·if·<code·class="inline">MatchDomain</code>·is·a·prefix·of·<code·class="inline">Domain</code>.</p></li><li><p><strong><code·class="inline">super</code></strong>·-·and·<code·class="inline">Domain</code>·is·equal·to·or·a·super-domain·of·<code·class="inline">MatchDomain</code>, |
| 261 | that·is,·if·<code·class="inline">Domain</code>·is·a·prefix·of·<code·class="inline">MatchDomain</code>.</p></li><li><p><strong><code·class="inline">equal</code></strong>·-·and·<code·class="inline">Domain</code>·is·equal·to·<code·class="inline">MatchDomain</code>.</p></li><li><p><strong><code·class="inline">not_equal</code></strong>·-·and·<code·class="inline">Domain</code>·differs·from·<code·class="inline">MatchDomain</code>,·or·if·there·is·no | 261 | that·is,·if·<code·class="inline">Domain</code>·is·a·prefix·of·<code·class="inline">MatchDomain</code>.</p></li><li><p><strong><code·class="inline">equal</code></strong>·-·and·<code·class="inline">Domain</code>·is·equal·to·<code·class="inline">MatchDomain</code>.</p></li><li><p><strong><code·class="inline">not_equal</code></strong>·-·and·<code·class="inline">Domain</code>·differs·from·<code·class="inline">MatchDomain</code>,·or·if·there·is·no |
| 262 | domain·field·in·metadata.</p></li><li><p><strong><code·class="inline">undefined</code></strong>·-·and·there·is·no·domain·field·in·metadata.·In·this·case | 262 | domain·field·in·metadata.</p></li><li><p><strong><code·class="inline">undefined</code></strong>·-·and·there·is·no·domain·field·in·metadata.·In·this·case |
| 263 | <code·class="inline">MatchDomain</code>·must·be·set·to·<code·class="inline">[]</code>.</p></li></ul><p>If·the·filter·matches·and·<code·class="inline">Action</code>·is·<code·class="inline">log</code>,·the·log·event·is·allowed.·If·the | 263 | <code·class="inline">MatchDomain</code>·must·be·set·to·<code·class="inline">[]</code>.</p></li></ul><p>If·the·filter·matches·and·<code·class="inline">Action</code>·is·<code·class="inline">log</code>,·the·log·event·is·allowed.·If·the |
| 264 | filter·matches·and·<code·class="inline">Action</code>·is·<code·class="inline">stop</code>,·the·log·event·is·stopped.</p><p>If·the·filter·does·not·match,·it·returns·<code·class="inline">ignore</code>,·meaning·that·other·filters, | 264 | filter·matches·and·<code·class="inline">Action</code>·is·<code·class="inline">stop</code>,·the·log·event·is·stopped.</p><p>If·the·filter·does·not·match,·it·returns·<code·class="inline">ignore</code>,·meaning·that·other·filters, |
| 265 | or·the·value·of·the·configuration·parameter·<code·class="inline">filter_default</code>,·decide·if·the | 265 | or·the·value·of·the·configuration·parameter·<code·class="inline">filter_default</code>,·decide·if·the |
| 266 | event·is·allowed·or·not.</p><p>Log·events·that·do·not·contain·any·domain·field,·match·only·when·<code·class="inline">Compare</code>·is | 266 | event·is·allowed·or·not.</p><p>Log·events·that·do·not·contain·any·domain·field,·match·only·when·<code·class="inline">Compare</code>·is |
| 267 | equal·to·<code·class="inline">undefined</code>·or·<code·class="inline">not_equal</code>.</p><p>Example:·stop·all·events·with·domain·<code·class="inline">[otp,·sasl·|·_]</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">set_handler_config</span><span·class="p"·data-group-id=" | 267 | equal·to·<code·class="inline">undefined</code>·or·<code·class="inline">not_equal</code>.</p><p>Example:·stop·all·events·with·domain·<code·class="inline">[otp,·sasl·|·_]</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">set_handler_config</span><span·class="p"·data-group-id="6742439647-1">(</span><span·class="ss">h1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">filter_default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">log</span><span·class="p"·data-group-id="6742439647-1">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·this·is·the·default</span><span·class="w"> |
| 268 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 268 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 269 | 2>·</span><span·class="n">Filter</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 269 | 2>·</span><span·class="n">Filter</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6742439647-2">{</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">domain</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·511,·SHA:·bfcde213182c10a7de542142d12234c103afdfa9e30d4ba0a1cbcee9b1424873·...·]7-2">}</span><span·class="p">.</span><span·class="w"> |
| 270 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> | 270 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 271 | 3>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler_filter</span><span·class="p"·data-group-id=" | 271 | 3>·</span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler_filter</span><span·class="p"·data-group-id="6742439647-5">(</span><span·class="ss">h1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">no_sasl</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Filter</span><span·class="p"·data-group-id="6742439647-5">)</span><span·class="p">.</span><span·class="w"> |
| 272 | </span><span·class="ss">ok</span></code></pre> | 272 | </span><span·class="ss">ok</span></code></pre> |
| 273 | ··</section> | 273 | ··</section> |
| 274 | </section> | 274 | </section> |
| 275 | <section·class="detail"·id="level/2"> | 275 | <section·class="detail"·id="level/2"> |
| 276 | ··<div·class="detail-header"> | 276 | ··<div·class="detail-header"> |
| 277 | ····<a·href="#level/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 277 | ····<a·href="#level/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 308, 17 lines modified | Offset 308, 17 lines modified | ||
| 308 | matches·log·events·by·comparing·the·log·level·with·a·specified·<code·class="inline">MatchLevel</code></p><p>The·<code·class="inline">Extra</code>·parameter·is·specified·when·adding·the·filter·via | 308 | matches·log·events·by·comparing·the·log·level·with·a·specified·<code·class="inline">MatchLevel</code></p><p>The·<code·class="inline">Extra</code>·parameter·is·specified·when·adding·the·filter·via |
| 309 | <a·href="logger.html#add_primary_filter/2"><code·class="inline">logger:add_primary_filter/2</code></a>·or·<a·href="logger.html#add_handler_filter/3"><code·class="inline">logger:add_handler_filter/3</code></a>.</p><p>The·filter·compares·the·value·of·the·event's·log·level·(<code·class="inline">Level</code>)·to·<code·class="inline">MatchLevel</code> | 309 | <a·href="logger.html#add_primary_filter/2"><code·class="inline">logger:add_primary_filter/2</code></a>·or·<a·href="logger.html#add_handler_filter/3"><code·class="inline">logger:add_handler_filter/3</code></a>.</p><p>The·filter·compares·the·value·of·the·event's·log·level·(<code·class="inline">Level</code>)·to·<code·class="inline">MatchLevel</code> |
| 310 | by·calling | 310 | by·calling |
| 311 | <a·href="logger.html#compare_levels/2"><code·class="inline">logger:compare_levels(Level,·MatchLevel)</code></a>.·The | 311 | <a·href="logger.html#compare_levels/2"><code·class="inline">logger:compare_levels(Level,·MatchLevel)</code></a>.·The |
| 312 | filter·matches·if·the·value·of·<code·class="inline">Operator</code>·is:</p><ul><li><p><strong><code·class="inline">neq</code></strong>·-·and·the·compare·function·returns·<code·class="inline">lt</code>·or·<code·class="inline">gt</code>.</p></li><li><p><strong><code·class="inline">eq</code></strong>·-·and·the·compare·function·returns·<code·class="inline">eq</code>.</p></li><li><p><strong><code·class="inline">lt</code></strong>·-·and·the·compare·function·returns·<code·class="inline">lt</code>.</p></li><li><p><strong><code·class="inline">gt</code></strong>·-·and·the·compare·function·returns·<code·class="inline">gt</code>.</p></li><li><p><strong><code·class="inline">lteq</code></strong>·-·and·the·compare·function·returns·<code·class="inline">lt</code>·or·<code·class="inline">eq</code>.</p></li><li><p><strong><code·class="inline">gteq</code></strong>·-·and·the·compare·function·returns·<code·class="inline">gt</code>·or·<code·class="inline">eq</code>.</p></li></ul><p>If·the·filter·matches·and·<code·class="inline">Action</code>·is·<code·class="inline">log</code>,·the·log·event·is·allowed.·If·the | 312 | filter·matches·if·the·value·of·<code·class="inline">Operator</code>·is:</p><ul><li><p><strong><code·class="inline">neq</code></strong>·-·and·the·compare·function·returns·<code·class="inline">lt</code>·or·<code·class="inline">gt</code>.</p></li><li><p><strong><code·class="inline">eq</code></strong>·-·and·the·compare·function·returns·<code·class="inline">eq</code>.</p></li><li><p><strong><code·class="inline">lt</code></strong>·-·and·the·compare·function·returns·<code·class="inline">lt</code>.</p></li><li><p><strong><code·class="inline">gt</code></strong>·-·and·the·compare·function·returns·<code·class="inline">gt</code>.</p></li><li><p><strong><code·class="inline">lteq</code></strong>·-·and·the·compare·function·returns·<code·class="inline">lt</code>·or·<code·class="inline">eq</code>.</p></li><li><p><strong><code·class="inline">gteq</code></strong>·-·and·the·compare·function·returns·<code·class="inline">gt</code>·or·<code·class="inline">eq</code>.</p></li></ul><p>If·the·filter·matches·and·<code·class="inline">Action</code>·is·<code·class="inline">log</code>,·the·log·event·is·allowed.·If·the |
| 313 | filter·matches·and·<code·class="inline">Action</code>·is·<code·class="inline">stop</code>,·the·log·event·is·stopped.</p><p>If·the·filter·does·not·match,·it·returns·<code·class="inline">ignore</code>,·meaning·that·other·filters, | 313 | filter·matches·and·<code·class="inline">Action</code>·is·<code·class="inline">stop</code>,·the·log·event·is·stopped.</p><p>If·the·filter·does·not·match,·it·returns·<code·class="inline">ignore</code>,·meaning·that·other·filters, |
| 314 | or·the·value·of·the·configuration·parameter·<code·class="inline">filter_default</code>,·will·decide·if·the | 314 | or·the·value·of·the·configuration·parameter·<code·class="inline">filter_default</code>,·will·decide·if·the |
| 315 | event·is·allowed·or·not.</p><p>Example:·only·allow·debug·level·log·events</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">set_handler_config</span><span·class="p"·data-group-id=" | 315 | event·is·allowed·or·not.</p><p>Example:·only·allow·debug·level·log·events</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">set_handler_config</span><span·class="p"·data-group-id="6222314532-1">(</span><span·class="ss">h1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">filter_default</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p"·data-group-id="6222314532-1">)</span><span·class="p">.</span><span·class="w"> |
| 316 | </span><span·class="n">Filter</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 316 | </span><span·class="n">Filter</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6222314532-2">{</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">logger_filters</span><span·class="p">:</span><span·class="ss">level</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·328,·SHA:·f8f046d2cc786a7821dada1bb67419dec9ed5a9d35be12036434c93a98b28619·...·]2-2">}</span><span·class="p">.</span><span·class="w"> |
| 317 | </span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler_filter</span><span·class="p"·data-group-id=" | 317 | </span><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler_filter</span><span·class="p"·data-group-id="6222314532-4">(</span><span·class="ss">h1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">debug_only</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Filter</span><span·class="p"·data-group-id="6222314532-4">)</span><span·class="p">.</span><span·class="w"> |
| 318 | </span><span·class="ss">ok</span></code></pre> | 318 | </span><span·class="ss">ok</span></code></pre> |
| 319 | ··</section> | 319 | ··</section> |
| 320 | </section> | 320 | </section> |
| 321 | <section·class="detail"·id="progress/2"> | 321 | <section·class="detail"·id="progress/2"> |
| 322 | ··<div·class="detail-header"> | 322 | ··<div·class="detail-header"> |
| 323 | ····<a·href="#progress/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 323 | ····<a·href="#progress/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 402, 15 lines modified | Offset 402, 15 lines modified | ||
| 402 | ······<p·class="built-using"> | 402 | ······<p·class="built-using"> |
| 403 | ········Built·using | 403 | ········Built·using |
| 404 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 404 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 405 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 405 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 406 | ······</p> | 406 | ······</p> |
| 407 | <p>Copyright·©·1996-202 | 407 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 408 | ····</footer> | 408 | ····</footer> |
| 409 | ··</div> | 409 | ··</div> |
| 410 | </main> | 410 | </main> |
| 411 | </div> | 411 | </div> |
| 412 | <script> | 412 | <script> |
| 413 | ··function·mermaidLoaded()·{ | 413 | ··function·mermaidLoaded()·{ |
| 414 | ····mermaid.initialize({ | 414 | ····mermaid.initialize({ |
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| 607 | ······<p·class="built-using"> | 607 | ······<p·class="built-using"> |
| 608 | ········Built·using | 608 | ········Built·using |
| 609 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 609 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 610 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 610 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 611 | ······</p> | 611 | ······</p> |
| 612 | <p>Copyright·©·1996-202 | 612 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 613 | ····</footer> | 613 | ····</footer> |
| 614 | ··</div> | 614 | ··</div> |
| 615 | </main> | 615 | </main> |
| 616 | </div> | 616 | </div> |
| 617 | <script> | 617 | <script> |
| 618 | ··function·mermaidLoaded()·{ | 618 | ··function·mermaidLoaded()·{ |
| 619 | ····mermaid.initialize({ | 619 | ····mermaid.initialize({ |
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| 580 | ······<p·class="built-using"> | 580 | ······<p·class="built-using"> |
| 581 | ········Built·using | 581 | ········Built·using |
| 582 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 582 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 583 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 583 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 584 | ······</p> | 584 | ······</p> |
| 585 | <p>Copyright·©·1996-202 | 585 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 586 | ····</footer> | 586 | ····</footer> |
| 587 | ··</div> | 587 | ··</div> |
| 588 | </main> | 588 | </main> |
| 589 | </div> | 589 | </div> |
| 590 | <script> | 590 | <script> |
| 591 | ··function·mermaidLoaded()·{ | 591 | ··function·mermaidLoaded()·{ |
| 592 | ····mermaid.initialize({ | 592 | ····mermaid.initialize({ |
| Offset 181, 17 lines modified | Offset 181, 17 lines modified | ||
| 181 | but·only·performs·a·new·sync·if·something·has·actually·been·logged.</p><p>If·<code·class="inline">no_repeat</code>·is·set·as·value,·the·repeated·file·sync·operation·is·disabled, | 181 | but·only·performs·a·new·sync·if·something·has·actually·been·logged.</p><p>If·<code·class="inline">no_repeat</code>·is·set·as·value,·the·repeated·file·sync·operation·is·disabled, |
| 182 | and·it·is·the·operating·system·settings·that·determine·how·quickly·or·slowly | 182 | and·it·is·the·operating·system·settings·that·determine·how·quickly·or·slowly |
| 183 | data·is·written·to·disk.·The·user·can·also·call·the·<a·href="#filesync/1"><code·class="inline">filesync/1</code></a>·function·to | 183 | data·is·written·to·disk.·The·user·can·also·call·the·<a·href="#filesync/1"><code·class="inline">filesync/1</code></a>·function·to |
| 184 | perform·a·file·sync.</p><p>Defaults·to·<code·class="inline">5000</code>·milliseconds.</p></li></ul><p>Other·configuration·parameters·exist,·to·be·used·for·customizing·the·overload | 184 | perform·a·file·sync.</p><p>Defaults·to·<code·class="inline">5000</code>·milliseconds.</p></li></ul><p>Other·configuration·parameters·exist,·to·be·used·for·customizing·the·overload |
| 185 | protection·behaviour.·The·same·parameters·are·used·both·in·the·standard·handler | 185 | protection·behaviour.·The·same·parameters·are·used·both·in·the·standard·handler |
| 186 | and·the·disk_log·handler,·and·are·documented·in·the | 186 | and·the·disk_log·handler,·and·are·documented·in·the |
| 187 | <a·href="logger_chapter.html#overload_protection"><code·class="inline">User's·Guide</code></a>.</p><p>Notice·that·if·changing·the·configuration·of·the·handler·in·runtime,·the·<code·class="inline">type</code>, | 187 | <a·href="logger_chapter.html#overload_protection"><code·class="inline">User's·Guide</code></a>.</p><p>Notice·that·if·changing·the·configuration·of·the·handler·in·runtime,·the·<code·class="inline">type</code>, |
| 188 | <code·class="inline">file</code>,·or·<code·class="inline">modes</code>·parameters·must·not·be·modified.</p><p>Example·of·adding·a·standard·handler:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id=" | 188 | <code·class="inline">file</code>,·or·<code·class="inline">modes</code>·parameters·must·not·be·modified.</p><p>Example·of·adding·a·standard·handler:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">logger</span><span·class="p">:</span><span·class="nf">add_handler</span><span·class="p"·data-group-id="5755334302-1">(</span><span·class="ss">my_standard_h</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">logger_std_h</span><span·class="p">,</span><span·class="w"> |
| 189 | ···················</span><span·class="p"·data-group-id=" | 189 | ···················</span><span·class="p"·data-group-id="5755334302-2">#{</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="5755334302-3">#{</span><span·class="ss">file</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"./system_info.log"</span><span·class="p">,</span><span·class="w"> |
| 190 | ·································</span><span·class="ss">filesync_repeat_interval</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">1000</span><span·class="p"·data-group-id=" | 190 | ·································</span><span·class="ss">filesync_repeat_interval</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">1000</span><span·class="p"·data-group-id="5755334302-3">}</span><span·class="p"·data-group-id="5755334302-2">}</span><span·class="p"·data-group-id="5755334302-1">)</span><span·class="p">.</span></code></pre><p>To·set·the·default·handler,·that·starts·initially·with·the·Kernel·application, |
| 191 | to·log·to·file·instead·of·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#t:standard_io/0"><code·class="inline">standard_io</code></a>,·change·the | 191 | to·log·to·file·instead·of·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#t:standard_io/0"><code·class="inline">standard_io</code></a>,·change·the |
| 192 | Kernel·default·logger·configuration.·Example:</p><pre><code·class="text">erl·-kernel·logger·'[{handler,default,logger_std_h, | 192 | Kernel·default·logger·configuration.·Example:</p><pre><code·class="text">erl·-kernel·logger·'[{handler,default,logger_std_h, |
| 193 | ······················#{config·=>·#{file·=>·"./log.log"}}}]'</code></pre><p>An·example·of·how·to·replace·the·standard·handler·with·a·disk_log·handler·at | 193 | ······················#{config·=>·#{file·=>·"./log.log"}}}]'</code></pre><p>An·example·of·how·to·replace·the·standard·handler·with·a·disk_log·handler·at |
| 194 | startup·is·found·in·the·<a·href="logger_disk_log_h.html"><code·class="inline">logger_disk_log_h</code></a>·manual.</p><h2·id="module-see-also"·class="section-heading"> | 194 | startup·is·found·in·the·<a·href="logger_disk_log_h.html"><code·class="inline">logger_disk_log_h</code></a>·manual.</p><h2·id="module-see-also"·class="section-heading"> |
| 195 | ··<a·href="#module-see-also"·class="hover-link"> | 195 | ··<a·href="#module-see-also"·class="hover-link"> |
| 196 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 196 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 197 | ··</a> | 197 | ··</a> |
| Offset 288, 15 lines modified | Offset 288, 15 lines modified | ||
| 288 | ······<p·class="built-using"> | 288 | ······<p·class="built-using"> |
| 289 | ········Built·using | 289 | ········Built·using |
| 290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 292 | ······</p> | 292 | ······</p> |
| 293 | <p>Copyright·©·1996-202 | 293 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 294 | ····</footer> | 294 | ····</footer> |
| 295 | ··</div> | 295 | ··</div> |
| 296 | </main> | 296 | </main> |
| 297 | </div> | 297 | </div> |
| 298 | <script> | 298 | <script> |
| 299 | ··function·mermaidLoaded()·{ | 299 | ··function·mermaidLoaded()·{ |
| 300 | ····mermaid.initialize({ | 300 | ····mermaid.initialize({ |
| Offset 553, 21 lines modified | Offset 553, 21 lines modified | ||
| 553 | ··········<pre·translate="no"><span·class="attribute">-type</span>·ifaddrs_filter_fun()·::·fun((<a·href="#t:ifaddrs/0">ifaddrs</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()).</pre> | 553 | ··········<pre·translate="no"><span·class="attribute">-type</span>·ifaddrs_filter_fun()·::·fun((<a·href="#t:ifaddrs/0">ifaddrs</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()).</pre> |
| 554 | ······</div> | 554 | ······</div> |
| 555 | <p>Interface·address·filtering·selector·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:function/0"><code·class="inline">function/0</code></a>.</p><p>For·each·<code·class="inline">ifaddrs</code>·entry,·return·either·<code·class="inline">true</code>·to·keep·the·entry | 555 | <p>Interface·address·filtering·selector·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:function/0"><code·class="inline">function/0</code></a>.</p><p>For·each·<code·class="inline">ifaddrs</code>·entry,·return·either·<code·class="inline">true</code>·to·keep·the·entry |
| 556 | or·<code·class="inline">false</code>·to·discard·the·entry.</p><p>For·example,·to·get·an·interface·list·which·only·contains | 556 | or·<code·class="inline">false</code>·to·discard·the·entry.</p><p>For·example,·to·get·an·interface·list·which·only·contains |
| 557 | non-<code·class="inline">loopback</code>·<code·class="inline">inet</code>·interfaces:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">net</span><span·class="p">:</span><span·class="nf">getifaddrs</span><span·class="p"·data-group-id="10 | 557 | non-<code·class="inline">loopback</code>·<code·class="inline">inet</code>·interfaces:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">net</span><span·class="p">:</span><span·class="nf">getifaddrs</span><span·class="p"·data-group-id="1032618516-1">(</span><span·class="w"> |
| 558 | ····</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="10 | 558 | ····</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="1032618516-2">(</span><span·class="p"·data-group-id="1032618516-3">#{</span><span·class="w">·</span><span·class="ss">addr</span><span·class="w">··</span><span·class="p">:=</span><span·class="w">·</span><span·class="p"·data-group-id="1032618516-4">#{</span><s[·...·truncated·by·diffoscope;·len:·170,·SHA:·9c6ac3a3c0efbb7d4c8be2d37c05ba663f34bb9e173e8995ebd98051c6cf68e3·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 559 | ············</span><span·class="ss">flags</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">Flags</span><span·class="p"·data-group-id="10 | 559 | ············</span><span·class="ss">flags</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">Flags</span><span·class="p"·data-group-id="1032618516-3">}</span><span·class="p"·data-group-id="1032618516-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 560 | ··········</span><span·class="ow">not</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id="10 | 560 | ··········</span><span·class="ow">not</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id="1032618516-5">(</span><span·class="ss">loopback</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Flags</span><span·class="p"·data-group-id="1032618516-5">)</span><span·class="p">;</span><span·class="w"> |
| 561 | ········</span><span·class="p"·data-group-id="10 | 561 | ········</span><span·class="p"·data-group-id="1032618516-6">(</span><span·class="p">_</span><span·class="p"·data-group-id="1032618516-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 562 | ··········</span><span·class="ss">false</span><span·class="w"> | 562 | ··········</span><span·class="ss">false</span><span·class="w"> |
| 563 | ····</span><span·class="k">end</span><span·class="p"·data-group-id="10 | 563 | ····</span><span·class="k">end</span><span·class="p"·data-group-id="1032618516-1">)</span><span·class="p">.</span></code></pre> |
| 564 | ··</section> | 564 | ··</section> |
| 565 | </section> | 565 | </section> |
| 566 | <section·class="detail"·id="t:ifaddrs_filter_map/0"> | 566 | <section·class="detail"·id="t:ifaddrs_filter_map/0"> |
| 567 | ··<div·class="detail-header"> | 567 | ··<div·class="detail-header"> |
| 568 | ····<a·href="#t:ifaddrs_filter_map/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> | 568 | ····<a·href="#t:ifaddrs_filter_map/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> |
| 569 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 569 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1350, 15 lines modified | Offset 1350, 15 lines modified | ||
| 1350 | ······<p·class="built-using"> | 1350 | ······<p·class="built-using"> |
| 1351 | ········Built·using | 1351 | ········Built·using |
| 1352 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1352 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1353 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1353 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1354 | ······</p> | 1354 | ······</p> |
| 1355 | <p>Copyright·©·1996-202 | 1355 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1356 | ····</footer> | 1356 | ····</footer> |
| 1357 | ··</div> | 1357 | ··</div> |
| 1358 | </main> | 1358 | </main> |
| 1359 | </div> | 1359 | </div> |
| 1360 | <script> | 1360 | <script> |
| 1361 | ··function·mermaidLoaded()·{ | 1361 | ··function·mermaidLoaded()·{ |
| 1362 | ····mermaid.initialize({ | 1362 | ····mermaid.initialize({ |
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| 475 | ···················Name·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), | 475 | ···················Name·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), |
| 476 | ···················Port·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(), | 476 | ···················Port·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(), |
| 477 | ···················Reason·::·address·|·<a·href="file.html#t:posix/0">file:posix</a>().</pre> | 477 | ···················Reason·::·address·|·<a·href="file.html#t:posix/0">file:posix</a>().</pre> |
| 478 | ······</div> | 478 | ······</div> |
| 479 | <p>Returns·the·names·and·associated·port·numbers·of·the·Erlang·nodes·that·<code·class="inline">epmd</code> | 479 | <p>Returns·the·names·and·associated·port·numbers·of·the·Erlang·nodes·that·<code·class="inline">epmd</code> |
| 480 | registered·at·the·specified·host.</p><p>Similar·to·<code·class="inline">epmd·-names</code>,·see·<a·href="../../../../erts-15.2.3/doc/html/epmd_cmd.html"><code·class="inline">erts:epmd</code></a>.</p><p>Returns·<code·class="inline">{error,·address}</code>·if·<code·class="inline">epmd</code>·is·not·operational.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(arne@dunn)1>·</span><span·class="nc">net_adm</span><span·class="p">:</span><span·class="nf">names</span><span·class="p"·data-group-id=" | 480 | registered·at·the·specified·host.</p><p>Similar·to·<code·class="inline">epmd·-names</code>,·see·<a·href="../../../../erts-15.2.3/doc/html/epmd_cmd.html"><code·class="inline">erts:epmd</code></a>.</p><p>Returns·<code·class="inline">{error,·address}</code>·if·<code·class="inline">epmd</code>·is·not·operational.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(arne@dunn)1>·</span><span·class="nc">net_adm</span><span·class="p">:</span><span·class="nf">names</span><span·class="p"·data-group-id="2667932028-1">(</span><span·class="p"·data-group-id="2667932028-1">)</span><span·class="p">.</span><span·class="w"> |
| 481 | </span><span·class="p"·data-group-id=" | 481 | </span><span·class="p"·data-group-id="2667932028-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="2667932028-3">[</span><span·class="p"·data-group-id="2667932028-4">{</span><span·class="s">"arne"</span><span·class="p">,</span><span·class="mi[·...·truncated·by·diffoscope;·len:·161,·SHA:·7490f9e9690ad397d14c12396998e5ca04a0fb27054e7aebea139ffc2b5eaef4·...·]-2">}</span></code></pre> |
| 482 | ··</section> | 482 | ··</section> |
| 483 | </section> | 483 | </section> |
| 484 | <section·class="detail"·id="ping/1"> | 484 | <section·class="detail"·id="ping/1"> |
| 485 | ··<div·class="detail-header"> | 485 | ··<div·class="detail-header"> |
| 486 | ····<a·href="#ping/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 486 | ····<a·href="#ping/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 487 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 487 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 642, 15 lines modified | Offset 642, 15 lines modified | ||
| 642 | ······<p·class="built-using"> | 642 | ······<p·class="built-using"> |
| 643 | ········Built·using | 643 | ········Built·using |
| 644 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 644 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 645 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 645 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 646 | ······</p> | 646 | ······</p> |
| 647 | <p>Copyright·©·1996-202 | 647 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 648 | ····</footer> | 648 | ····</footer> |
| 649 | ··</div> | 649 | ··</div> |
| 650 | </main> | 650 | </main> |
| 651 | </div> | 651 | </div> |
| 652 | <script> | 652 | <script> |
| 653 | ··function·mermaidLoaded()·{ | 653 | ··function·mermaidLoaded()·{ |
| 654 | ····mermaid.initialize({ | 654 | ····mermaid.initialize({ |
| Offset 128, 17 lines modified | Offset 128, 17 lines modified | ||
| 128 | ····<section·id="moduledoc"> | 128 | ····<section·id="moduledoc"> |
| 129 | <p>Erlang·networking·kernel.</p><p>The·net·kernel·is·a·system·process,·registered·as·<code·class="inline">net_kernel</code>,·which·must·be | 129 | <p>Erlang·networking·kernel.</p><p>The·net·kernel·is·a·system·process,·registered·as·<code·class="inline">net_kernel</code>,·which·must·be |
| 130 | operational·for·distributed·Erlang·to·work.·The·purpose·of·this·process·is·to | 130 | operational·for·distributed·Erlang·to·work.·The·purpose·of·this·process·is·to |
| 131 | implement·parts·of·the·BIFs·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#spawn/4"><code·class="inline">spawn/4</code></a>·and | 131 | implement·parts·of·the·BIFs·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#spawn/4"><code·class="inline">spawn/4</code></a>·and |
| 132 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#spawn_link/4"><code·class="inline">spawn_link/4</code></a>,·and·to·provide·monitoring·of·the·network.</p><p>An·Erlang·node·is·started·using·command-line·flag·<code·class="inline">-name</code>·or·<code·class="inline">-sname</code>:</p><pre><code·class="text">$·erl·-sname·foobar</code></pre><p>It·is·also·possible·to·call·<a·href="#start/2"><code·class="inline">net_kernel:start(foobar,·#{})</code></a> | 132 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#spawn_link/4"><code·class="inline">spawn_link/4</code></a>,·and·to·provide·monitoring·of·the·network.</p><p>An·Erlang·node·is·started·using·command-line·flag·<code·class="inline">-name</code>·or·<code·class="inline">-sname</code>:</p><pre><code·class="text">$·erl·-sname·foobar</code></pre><p>It·is·also·possible·to·call·<a·href="#start/2"><code·class="inline">net_kernel:start(foobar,·#{})</code></a> |
| 133 | directly·from·the·normal·Erlang·shell·prompt:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">net_kernel</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 133 | directly·from·the·normal·Erlang·shell·prompt:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">net_kernel</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="2538127687-1">(</span><span·class="ss">foobar</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2538127687-2">#{</span><span·class="ss">name_domain</span><span·class="w">·</span><span·class="p">=></span><span·class="w"[·...·truncated·by·diffoscope;·len:·137,·SHA:·65115f60ef22fd96b6df37794ffd04e5ddfe58218be937c189c85e6a2d04bb16·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="p"·data-group-id=" | 134 | </span><span·class="p"·data-group-id="2538127687-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.64</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="2538127687-3">}</span><span·class="w"> |
| 135 | </span><span·class="p"·data-group-id=" | 135 | </span><span·class="p"·data-group-id="2538127687-4">(</span><span·class="ss">foobar@gringotts</span><span·class="p"·data-group-id="2538127687-4">)</span><span·class="mi">2</span><span·class="o">></span></code></pre><p>If·the·node·is·started·with·command-line·flag·<code·class="inline">-sname</code>,·the·node·name·is |
| 136 | <code·class="inline">foobar@Host</code>,·where·<code·class="inline">Host</code>·is·the·short·name·of·the·host·(not·the·fully | 136 | <code·class="inline">foobar@Host</code>,·where·<code·class="inline">Host</code>·is·the·short·name·of·the·host·(not·the·fully |
| 137 | qualified·domain·name).·If·started·with·flag·<code·class="inline">-name</code>,·the·node·name·is | 137 | qualified·domain·name).·If·started·with·flag·<code·class="inline">-name</code>,·the·node·name·is |
| 138 | <code·class="inline">foobar@Host</code>,·where·<code·class="inline">Host</code>·is·the·fully·qualified·domain·name.·For·more | 138 | <code·class="inline">foobar@Host</code>,·where·<code·class="inline">Host</code>·is·the·fully·qualified·domain·name.·For·more |
| 139 | information,·see·<a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html"><code·class="inline">erl</code></a>.</p><p>Normally,·connections·are·established·automatically·when·another·node·is | 139 | information,·see·<a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html"><code·class="inline">erl</code></a>.</p><p>Normally,·connections·are·established·automatically·when·another·node·is |
| 140 | referenced.·This·functionality·can·be·disabled·by·setting·Kernel·configuration | 140 | referenced.·This·functionality·can·be·disabled·by·setting·Kernel·configuration |
| 141 | parameter·<code·class="inline">dist_auto_connect</code>·to·<code·class="inline">never</code>,·see·<a·href="kernel_app.html"><code·class="inline">kernel(6)</code></a>.·In | 141 | parameter·<code·class="inline">dist_auto_connect</code>·to·<code·class="inline">never</code>,·see·<a·href="kernel_app.html"><code·class="inline">kernel(6)</code></a>.·In |
| 142 | this·case,·connections·must·be·established·explicitly·by·calling | 142 | this·case,·connections·must·be·established·explicitly·by·calling |
| Offset 646, 21 lines modified | Offset 646, 21 lines modified | ||
| 646 | node·through·the·newly·established·connection.</li><li><code·class="inline">nodedown</code>·messages·are·delivered·after·all·the·signals·from·the·remote·node | 646 | node·through·the·newly·established·connection.</li><li><code·class="inline">nodedown</code>·messages·are·delivered·after·all·the·signals·from·the·remote·node |
| 647 | over·the·connection·have·been·delivered.</li><li><code·class="inline">nodeup</code>·messages·are·delivered·after·the·corresponding·node·appears·in | 647 | over·the·connection·have·been·delivered.</li><li><code·class="inline">nodeup</code>·messages·are·delivered·after·the·corresponding·node·appears·in |
| 648 | results·from·<code·class="inline">erlang:nodes()</code>.</li><li><code·class="inline">nodedown</code>·messages·are·delivered·after·the·corresponding·node·has·disappeared | 648 | results·from·<code·class="inline">erlang:nodes()</code>.</li><li><code·class="inline">nodedown</code>·messages·are·delivered·after·the·corresponding·node·has·disappeared |
| 649 | in·results·from·<code·class="inline">erlang:nodes()</code>.</li><li>As·of·OTP·23.0,·a·<code·class="inline">nodedown</code>·message·for·a·connection·being·taken·down·will·be | 649 | in·results·from·<code·class="inline">erlang:nodes()</code>.</li><li>As·of·OTP·23.0,·a·<code·class="inline">nodedown</code>·message·for·a·connection·being·taken·down·will·be |
| 650 | delivered·before·a·<code·class="inline">nodeup</code>·message·due·to·a·new·connection·to·the·same·node. | 650 | delivered·before·a·<code·class="inline">nodeup</code>·message·due·to·a·new·connection·to·the·same·node. |
| 651 | Prior·to·OTP·23.0,·this·was·not·guaranteed·to·be·the·case.</li></ul><p>The·format·of·the·node·status·change·messages·depends·on·<code·class="inline">Options</code>.·If·<code·class="inline">Options</code> | 651 | Prior·to·OTP·23.0,·this·was·not·guaranteed·to·be·the·case.</li></ul><p>The·format·of·the·node·status·change·messages·depends·on·<code·class="inline">Options</code>.·If·<code·class="inline">Options</code> |
| 652 | is·the·empty·list·or·if·<a·href="#monitor_nodes/1"><code·class="inline">net_kernel:monitor_nodes/1</code></a>·is·called,·the·format·is·as | 652 | is·the·empty·list·or·if·<a·href="#monitor_nodes/1"><code·class="inline">net_kernel:monitor_nodes/1</code></a>·is·called,·the·format·is·as |
| 653 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 653 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4003636558-1">{</span><span·class="ss">nodeup</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node</span><span·class="p"·data-group-id="4003636558-1">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·197,·SHA:·ae874cd861afcbd4e438aab84697c55fab795f7b833a62fe6e172a068179d411·...·]-2">}</span><span·class="w"> |
| 654 | ··</span><span·class="n">Node</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">node</span><span·class="p"·data-group-id=" | 654 | ··</span><span·class="n">Node</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">node</span><span·class="p"·data-group-id="4003636558-3">(</span><span·class="p"·data-group-id="4003636558-3">)</span></code></pre><p>When·<code·class="inline">Options</code>·is·the·empty·map·or·empty·list,·the·caller·will·only·subscribe |
| 655 | for·status·change·messages·for·visible·nodes.·That·is,·only·nodes·that·appear·in | 655 | for·status·change·messages·for·visible·nodes.·That·is,·only·nodes·that·appear·in |
| 656 | the·result·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#nodes/0"><code·class="inline">erlang:nodes/0</code></a>.</p><p>If·<code·class="inline">Options</code>·equals·anything·other·than·the·empty·list,·the·format·of·the·status | 656 | the·result·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#nodes/0"><code·class="inline">erlang:nodes/0</code></a>.</p><p>If·<code·class="inline">Options</code>·equals·anything·other·than·the·empty·list,·the·format·of·the·status |
| 657 | change·messages·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8 | 657 | change·messages·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8521455571-1">{</span><span·class="ss">nodeup</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Info</span><span·class="p"·data-group-id="8521455571-1">}</span><s[·...·truncated·by·diffoscope;·len:·346,·SHA:·59187610f334ac930f22fc0d3b6fb94b092dc54b7d1818dfa2ac1458eef623f6·...·]-2">}</span><span·class="w"> |
| 658 | ··</span><span·class="n">Node</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">node</span><span·class="p"·data-group-id="8 | 658 | ··</span><span·class="n">Node</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">node</span><span·class="p"·data-group-id="8521455571-3">(</span><span·class="p"·data-group-id="8521455571-3">)</span><span·class="w"> |
| 659 | ··</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8 | 659 | ··</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8521455571-4">#{</span><span·class="n">Tag</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Val</span><span·class="p"·data-group-id="8521455571-4">}</span><span·class="w">·</span><span·class="p">|</span><span[·...·truncated·by·diffoscope;·len:·319,·SHA:·e5fb320e4c8b2a74e10513f31804eb7535a436a1b6661aa56ae04a9e368d5808·...·]-5">]</span></code></pre><p><code·class="inline">Info</code>·is·either·a·map·or·a·list·of·2-tuples.·Its·content·depends·on·<code·class="inline">Options</code>. |
| 660 | If·<code·class="inline">Options</code>·is·a·map,·<code·class="inline">Info</code>·will·also·be·a·map.·If·<code·class="inline">Options</code>·is·a·list,·<code·class="inline">Info</code> | 660 | If·<code·class="inline">Options</code>·is·a·map,·<code·class="inline">Info</code>·will·also·be·a·map.·If·<code·class="inline">Options</code>·is·a·list,·<code·class="inline">Info</code> |
| 661 | will·also·be·a·list.</p><p>When·<code·class="inline">Options</code>·is·a·map,·currently·the·following·associations·are·allowed:</p><ul><li><p><strong><code·class="inline">connection_id·=>·boolean()</code></strong>·-·If·the·value·of·the·association·equals | 661 | will·also·be·a·list.</p><p>When·<code·class="inline">Options</code>·is·a·map,·currently·the·following·associations·are·allowed:</p><ul><li><p><strong><code·class="inline">connection_id·=>·boolean()</code></strong>·-·If·the·value·of·the·association·equals |
| 662 | <code·class="inline">true</code>,·a·<code·class="inline">connection_id·=>·ConnectionId</code>·association·will·be·included·in·the | 662 | <code·class="inline">true</code>,·a·<code·class="inline">connection_id·=>·ConnectionId</code>·association·will·be·included·in·the |
| 663 | <code·class="inline">Info</code>·map·where·<code·class="inline">ConnectionId</code>·is·the·connection·identifier·of·the·connection | 663 | <code·class="inline">Info</code>·map·where·<code·class="inline">ConnectionId</code>·is·the·connection·identifier·of·the·connection |
| 664 | coming·up·or·going·down.·For·more·info·about·this·connection·identifier·see | 664 | coming·up·or·going·down.·For·more·info·about·this·connection·identifier·see |
| 665 | the·documentation·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#connection_id">erlang:nodes/2</a>.</p></li><li><p><strong><code·class="inline">node_type·=>·NodeType</code></strong>·-·Valid·values·for·<code·class="inline">NodeType</code>:</p><ul><li><p><strong><code·class="inline">visible</code></strong>·-·Subscribe·to·node·status·change·messages·for·visible·nodes | 665 | the·documentation·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#connection_id">erlang:nodes/2</a>.</p></li><li><p><strong><code·class="inline">node_type·=>·NodeType</code></strong>·-·Valid·values·for·<code·class="inline">NodeType</code>:</p><ul><li><p><strong><code·class="inline">visible</code></strong>·-·Subscribe·to·node·status·change·messages·for·visible·nodes |
| 666 | only.·The·association·<code·class="inline">node_type·=>·visible</code>·will·be·included·in·the·<code·class="inline">Info</code> | 666 | only.·The·association·<code·class="inline">node_type·=>·visible</code>·will·be·included·in·the·<code·class="inline">Info</code> |
| Offset 686, 31 lines modified | Offset 686, 31 lines modified | ||
| 686 | only.·The·tuple·<code·class="inline">{node_type,·hidden}</code>·will·be·included·in·the·<code·class="inline">Info</code>·list.</p></li><li><p><strong><code·class="inline">all</code></strong>·-·Subscribe·to·node·status·change·messages·for·both·visible·and | 686 | only.·The·tuple·<code·class="inline">{node_type,·hidden}</code>·will·be·included·in·the·<code·class="inline">Info</code>·list.</p></li><li><p><strong><code·class="inline">all</code></strong>·-·Subscribe·to·node·status·change·messages·for·both·visible·and |
| 687 | hidden·nodes.·The·tuple·<code·class="inline">{node_type,·visible·|·hidden}</code>·will·be·included·in | 687 | hidden·nodes.·The·tuple·<code·class="inline">{node_type,·visible·|·hidden}</code>·will·be·included·in |
| 688 | the·<code·class="inline">Info</code>·list.</p></li></ul><p>If·no·<code·class="inline">{node_type,·NodeType}</code>·option·has·been·given.·The·caller·will·subscribe | 688 | the·<code·class="inline">Info</code>·list.</p></li></ul><p>If·no·<code·class="inline">{node_type,·NodeType}</code>·option·has·been·given.·The·caller·will·subscribe |
| 689 | for·status·change·messages·for·visible·nodes·only,·but·<em>no</em> | 689 | for·status·change·messages·for·visible·nodes·only,·but·<em>no</em> |
| 690 | <code·class="inline">{node_type,·visible}</code>·tuple·will·be·included·in·the·<code·class="inline">Info</code>·list.</p></li><li><p><strong><code·class="inline">nodedown_reason</code></strong>·-·The·tuple·<code·class="inline">{nodedown_reason,·Reason}</code>·will·be·included | 690 | <code·class="inline">{node_type,·visible}</code>·tuple·will·be·included·in·the·<code·class="inline">Info</code>·list.</p></li><li><p><strong><code·class="inline">nodedown_reason</code></strong>·-·The·tuple·<code·class="inline">{nodedown_reason,·Reason}</code>·will·be·included |
| 691 | in·the·<code·class="inline">Info</code>·list·for·<code·class="inline">nodedown</code>·messages.</p><p>See·the·documentation·of·the | 691 | in·the·<code·class="inline">Info</code>·list·for·<code·class="inline">nodedown</code>·messages.</p><p>See·the·documentation·of·the |
| 692 | <a·href="net_kernel.html#nodedown_reasons"><code·class="inline">nodedown_reason·=>·boolean()</code></a>·association | 692 | <a·href="net_kernel.html#nodedown_reasons"><code·class="inline">nodedown_reason·=>·boolean()</code></a>·association |
| 693 | above·for·information·about·possible·<code·class="inline">Reason</code>·values.</p></li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(a@localhost)1>·</span><span·class="nc">net_kernel</span><span·class="p">:</span><span·class="nf">monitor_nodes</span><span·class="p"·data-group-id="6 | 693 | above·for·information·about·possible·<code·class="inline">Reason</code>·values.</p></li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(a@localhost)1>·</span><span·class="nc">net_kernel</span><span·class="p">:</span><span·class="nf">monitor_nodes</span><span·class="p"·data-group-id="4464977167-1">(</span><span·class="ss">true</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4464977167-2">#{</span><span·class="ss">connection_id</span><span·class="p">=></span><span·class="ss">true</span><span·class[·...·truncated·by·diffoscope;·len:·362,·SHA:·f8d4d5baca3450503da059ab3660a3e703b67a4501763b2996dbe4be5257c575·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 694 | </span><span·class="nf">ok</span><span·class="w"> | 694 | </span><span·class="nf">ok</span><span·class="w"> |
| 695 | </span><span·class="p"·data-group-id="6 | 695 | </span><span·class="p"·data-group-id="4464977167-3">(</span><span·class="ss">a@localhost</span><span·class="p"·data-group-id="4464977167-3">)</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nf">flush</span><span·class="p"·data-group-id="4464977167[·...·truncated·by·diffoscope;·len:·53,·SHA:·c2ecf5f5b2763a34700ed54a2b38ac7da9299d08fbb68b3012fc0a9074eb82d7·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 696 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 696 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="4464977167-5">{</span><span·class="ss">nodeup</span><span·class="p">,</span><span·class="ss">b@localhost</span><span·class="p">,</span><span·class="w"> |
| 697 | ··················</span><span·class="p"·data-group-id="6 | 697 | ··················</span><span·class="p"·data-group-id="4464977167-6">#{</span><span·class="ss">connection_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">3067552</span><span·class="p">,</span><span·class="ss">node_type</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·169,·SHA:·c8d644824e8d13cc6d5bb29b164962a33226c8da516366e67bd6633f5fb17ae3·...·]-5">}</span><span·class="w"> |
| 698 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 698 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="4464977167-7">{</span><span·class="ss">nodeup</span><span·class="p">,</span><span·class="ss">c@localhost</span><span·class="p">,</span><span·class="w"> |
| 699 | ··················</span><span·class="p"·data-group-id="6 | 699 | ··················</span><span·class="p"·data-group-id="4464977167-8">#{</span><span·class="ss">connection_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">13892107</span><span·class="p">,</span><span·class="ss">node_type</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·169,·SHA:·eec396b6585a21b9b462d79a7086fcf14701f4358f22ddaae761499be5583ab3·...·]-7">}</span><span·class="w"> |
| 700 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 700 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="4464977167-9">{</span><span·class="ss">nodedown</span><span·class="p">,</span><span·class="ss">b@localhost</span><span·class="p">,</span><span·class="w"> |
| 701 | ····················</span><span·class="p"·data-group-id="6 | 701 | ····················</span><span·class="p"·data-group-id="4464977167-10">#{</span><span·class="ss">connection_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">3067552</span><span·class="p">,</span><span·class="ss">node_type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">visible</span><span·class="p">,</span><span·class="w"> |
| 702 | ······················</span><span·class="ss">nodedown_reason</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">connection_closed</span><span·class="p"·data-group-id="6 | 702 | ······················</span><span·class="ss">nodedown_reason</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">connection_closed</span><span·class="p"·data-group-id="4464977167-10">}</span><span·class="p"·data-group-id="4464977167-9">}</span><span·class="w"> |
| 703 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 703 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="4464977167-11">{</span><span·class="ss">nodedown</span><span·class="p">,</span><span·class="ss">c@localhost</span><span·class="p">,</span><span·class="w"> |
| 704 | ····················</span><span·class="p"·data-group-id="6 | 704 | ····················</span><span·class="p"·data-group-id="4464977167-12">#{</span><span·class="ss">connection_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">13892107</span><span·class="p">,</span><span·class="ss">node_type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">hidden</span><span·class="p">,</span><span·class="w"> |
| 705 | ······················</span><span·class="ss">nodedown_reason</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">net_tick_timeout</span><span·class="p"·data-group-id="6 | 705 | ······················</span><span·class="ss">nodedown_reason</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">net_tick_timeout</span><span·class="p"·data-group-id="4464977167-12">}</span><span·class="p"·data-group-id="4464977167-11">}</span><span·class="w"> |
| 706 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 706 | </span><span·class="n">Shell</span><span·class="w">·</span><span·class="ss">got</span><span·class="w">·</span><span·class="p"·data-group-id="4464977167-13">{</span><span·class="ss">nodeup</span><span·class="p">,</span><span·class="ss">b@localhost</span><span·class="p">,</span><span·class="w"> |
| 707 | ··················</span><span·class="p"·data-group-id="6 | 707 | ··················</span><span·class="p"·data-group-id="4464977167-14">#{</span><span·class="ss">connection_id</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">3067553</span><span·class="p">,</span><span·class="ss">node_type</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·171,·SHA:·2f482705e169474185de76974e8f65d56d465d59615661645e9e41b6b84f2e35·...·]-13">}</span><span·class="w"> |
| 708 | </span><span·class="nf">ok</span><span·class="w"> | 708 | </span><span·class="nf">ok</span><span·class="w"> |
| 709 | </span><span·class="p"·data-group-id="6 | 709 | </span><span·class="p"·data-group-id="4464977167-15">(</span><span·class="ss">a@localhost</span><span·class="p"·data-group-id="4464977167-15">)</span><span·class="mi">3</span><span·class="o">></span></code></pre> |
| 710 | ··</section> | 710 | ··</section> |
| 711 | </section> | 711 | </section> |
| 712 | <section·class="detail"·id="set_net_ticktime/1"> | 712 | <section·class="detail"·id="set_net_ticktime/1"> |
| 713 | ··<div·class="detail-header"> | 713 | ··<div·class="detail-header"> |
| 714 | ····<a·href="#set_net_ticktime/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 714 | ····<a·href="#set_net_ticktime/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 715 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 715 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 980, 15 lines modified | Offset 980, 15 lines modified | ||
| 980 | ······<p·class="built-using"> | 980 | ······<p·class="built-using"> |
| 981 | ········Built·using | 981 | ········Built·using |
| 982 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 982 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 983 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 983 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 984 | ······</p> | 984 | ······</p> |
| 985 | <p>Copyright·©·1996-202 | 985 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 986 | ····</footer> | 986 | ····</footer> |
| 987 | ··</div> | 987 | ··</div> |
| 988 | </main> | 988 | </main> |
| 989 | </div> | 989 | </div> |
| 990 | <script> | 990 | <script> |
| 991 | ··function·mermaidLoaded()·{ | 991 | ··function·mermaidLoaded()·{ |
| 992 | ····mermaid.initialize({ | 992 | ····mermaid.initialize({ |
| Offset 4073, 20 lines modified | Offset 4073, 20 lines modified | ||
| 4073 | will·make·repeated·attempts·to·open·the·disk·log·fail·every·time.</p><p>Own·Id:·OTP-5558·Aux·Id:·seq9823</p></li><li><p>Previously·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#unlink/1"><code·class="inline">unlink/1</code></a>·and·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#demonitor/2"><code·class="inline">erlang:demonitor/2</code></a>·behaved | 4073 | will·make·repeated·attempts·to·open·the·disk·log·fail·every·time.</p><p>Own·Id:·OTP-5558·Aux·Id:·seq9823</p></li><li><p>Previously·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#unlink/1"><code·class="inline">unlink/1</code></a>·and·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#demonitor/2"><code·class="inline">erlang:demonitor/2</code></a>·behaved |
| 4074 | completely·asynchronous.·This·had·one·undesirable·effect,·though.·You·could | 4074 | completely·asynchronous.·This·had·one·undesirable·effect,·though.·You·could |
| 4075 | never·know·when·you·were·guaranteed·<em>not</em>·to·be·affected·by·a·link·that·you | 4075 | never·know·when·you·were·guaranteed·<em>not</em>·to·be·affected·by·a·link·that·you |
| 4076 | had·unlinked·or·a·monitor·that·you·had·demonitored.</p><p>The·new·behavior·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#unlink/1"><code·class="inline">unlink/1</code></a>·and·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#demonitor/2"><code·class="inline">erlang:demonitor/2</code></a>·can·be | 4076 | had·unlinked·or·a·monitor·that·you·had·demonitored.</p><p>The·new·behavior·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#unlink/1"><code·class="inline">unlink/1</code></a>·and·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#demonitor/2"><code·class="inline">erlang:demonitor/2</code></a>·can·be |
| 4077 | viewed·as·two·operations·performed·atomically.·Asynchronously·send·an·unlink | 4077 | viewed·as·two·operations·performed·atomically.·Asynchronously·send·an·unlink |
| 4078 | signal·or·a·demonitor·signal,·and·ignore·any·future·results·of·the·link·or | 4078 | signal·or·a·demonitor·signal,·and·ignore·any·future·results·of·the·link·or |
| 4079 | monitor.</p><p><em>NOTE</em>:·This·change·can·cause·some·obscure·code·to·fail·which·previously·did | 4079 | monitor.</p><p><em>NOTE</em>:·This·change·can·cause·some·obscure·code·to·fail·which·previously·did |
| 4080 | not.·For·example,·the·following·code·might·hang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">············</span><span·class="n">Mon</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monitor</span><span·class="p"·data-group-id=" | 4080 | not.·For·example,·the·following·code·might·hang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">············</span><span·class="n">Mon</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monitor</span><span·class="p"·data-group-id="8060007787-1">(</span><span·class="ss">process</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="8060007787-1">)</span><span·class="p">,</span><span·class="w"> |
| 4081 | ············</span><span·class="c1">%%·...</span><span·class="w"> | 4081 | ············</span><span·class="c1">%%·...</span><span·class="w"> |
| 4082 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 4082 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id="8060007787-2">(</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bang</span><span·class="p"·data-group-id="8060007787-2">)</span><span·class="p">,</span><span·class="w"> |
| 4083 | ············</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id=" | 4083 | ············</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id="8060007787-3">(</span><span·class="n">Mon</span><span·class="p"·data-group-id="8060007787-3">)</span><span·class="p">,</span><span·class="w"> |
| 4084 | ············</span><span·class="k">receive</span><span·class="w"> | 4084 | ············</span><span·class="k">receive</span><span·class="w"> |
| 4085 | ················</span><span·class="p"·data-group-id=" | 4085 | ················</span><span·class="p"·data-group-id="8060007787-4">{</span><span·class="ss">'DOWN'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mon</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">process</span><span·class="p">,</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·144,·SHA:·30d1ea48cd89dcffbbeae31ef1317ae123a1d6d0d924b5c0b585b227818e68e9·...·]-4">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w"> |
| 4086 | ············</span><span·class="c1">%%·We·were·previously·guaranteed·to·get·a·down·message</span><span·class="w"> | 4086 | ············</span><span·class="c1">%%·We·were·previously·guaranteed·to·get·a·down·message</span><span·class="w"> |
| 4087 | ············</span><span·class="c1">%%·(since·we·exited·the·process·ourself),·so·we·could</span><span·class="w"> | 4087 | ············</span><span·class="c1">%%·(since·we·exited·the·process·ourself),·so·we·could</span><span·class="w"> |
| 4088 | ············</span><span·class="c1">%%·in·this·case·leave·out:</span><span·class="w"> | 4088 | ············</span><span·class="c1">%%·in·this·case·leave·out:</span><span·class="w"> |
| 4089 | ············</span><span·class="c1">%%·after·0·->·ok</span><span·class="w"> | 4089 | ············</span><span·class="c1">%%·after·0·->·ok</span><span·class="w"> |
| 4090 | ············</span><span·class="k">end</span><span·class="p">,</span></code></pre><p>*<strong>·POTENTIAL·INCOMPATIBILITY·*</strong></p><p>Own·Id:·OTP-5772</p></li><li><p>The·behavior·when·an·application·fails·to·start·and·possibly·causes·the | 4090 | ············</span><span·class="k">end</span><span·class="p">,</span></code></pre><p>*<strong>·POTENTIAL·INCOMPATIBILITY·*</strong></p><p>Own·Id:·OTP-5772</p></li><li><p>The·behavior·when·an·application·fails·to·start·and·possibly·causes·the |
| 4091 | runtime·system·to·halt·has·been·cleaned·up,·including·fixing·some·minor·bugs.</p><p><code·class="inline">application_controller</code>·should·now·always·terminate·with·a·non-nested·string, | 4091 | runtime·system·to·halt·has·been·cleaned·up,·including·fixing·some·minor·bugs.</p><p><code·class="inline">application_controller</code>·should·now·always·terminate·with·a·non-nested·string, |
| 4092 | meaning·the·slogan·in·an·<code·class="inline">erl_crash.dump</code>·should·always·be·easy·to·read.</p><p><code·class="inline">init</code>·now·makes·sure·that·the·slogan·passed·to·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#halt/1"><code·class="inline">erlang:halt/1</code></a>·does·not | 4092 | meaning·the·slogan·in·an·<code·class="inline">erl_crash.dump</code>·should·always·be·easy·to·read.</p><p><code·class="inline">init</code>·now·makes·sure·that·the·slogan·passed·to·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#halt/1"><code·class="inline">erlang:halt/1</code></a>·does·not |
| Offset 4505, 15 lines modified | Offset 4505, 15 lines modified | ||
| 4505 | ······<p·class="built-using"> | 4505 | ······<p·class="built-using"> |
| 4506 | ········Built·using | 4506 | ········Built·using |
| 4507 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 4507 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 4508 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 4508 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 4509 | ······</p> | 4509 | ······</p> |
| 4510 | <p>Copyright·©·1996-202 | 4510 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 4511 | ····</footer> | 4511 | ····</footer> |
| 4512 | ··</div> | 4512 | ··</div> |
| 4513 | </main> | 4513 | </main> |
| 4514 | </div> | 4514 | </div> |
| 4515 | <script> | 4515 | <script> |
| 4516 | ··function·mermaidLoaded()·{ | 4516 | ··function·mermaidLoaded()·{ |
| 4517 | ····mermaid.initialize({ | 4517 | ····mermaid.initialize({ |
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| 640 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·cmd(Command,·Options)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·when·Command·::·<a·href="#t:os_command/0">os_command</a>(),·Options·::·<a·href="#t:os_command_opts/0">os_command_opts</a>().</pre> | 640 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·cmd(Command,·Options)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·when·Command·::·<a·href="#t:os_command/0">os_command</a>(),·Options·::·<a·href="#t:os_command_opts/0">os_command_opts</a>().</pre> |
| 641 | ······</div> | 641 | ······</div> |
| 642 | <p>Executes·<code·class="inline">Command</code>·in·a·command·shell·of·the·target·OS,·captures·the·standard | 642 | <p>Executes·<code·class="inline">Command</code>·in·a·command·shell·of·the·target·OS,·captures·the·standard |
| 643 | output·and·standard·error·of·the·command,·and·returns·this·result·as·a·string.</p><p>The·command·shell·can·be·set·using·the | 643 | output·and·standard·error·of·the·command,·and·returns·this·result·as·a·string.</p><p>The·command·shell·can·be·set·using·the |
| 644 | <a·href="kernel_app.html#os_cmd_shell">kernel·configuration·parameter</a>,·by·default·the | 644 | <a·href="kernel_app.html#os_cmd_shell">kernel·configuration·parameter</a>,·by·default·the |
| 645 | shell·is·detected·upon·system·startup.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">LsOut</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id=" | 645 | shell·is·detected·upon·system·startup.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">LsOut</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id="7734126332-1">(</span><span·class="s">"ls"</span><span·class="p"·data-group-id="7734126332-1">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·on·unix·platform</span><span·class="w"> |
| 646 | </span><span·class="n">DirOut</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id=" | 646 | </span><span·class="n">DirOut</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id="7734126332-2">(</span><span·class="s">"dir"</span><span·class="p"·data-group-id="7734126332-2">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·on·Win32·platform</span></code></pre><p>Notice·that·in·some·cases,·standard·output·of·a·command·when·called·from·another |
| 647 | program·can·differ,·compared·with·the·standard·output·of·the·command·when·called | 647 | program·can·differ,·compared·with·the·standard·output·of·the·command·when·called |
| 648 | directly·from·an·OS·command·shell.</p><p>The·possible·options·are:</p><ul><li><p><strong><code·class="inline">max_size</code></strong>·-·The·maximum·size·of·the·data·returned·by·the·<code·class="inline">os:cmd</code>·call. | 648 | directly·from·an·OS·command·shell.</p><p>The·possible·options·are:</p><ul><li><p><strong><code·class="inline">max_size</code></strong>·-·The·maximum·size·of·the·data·returned·by·the·<code·class="inline">os:cmd</code>·call. |
| 649 | This·option·is·a·safety·feature·that·should·be·used·when·the·command·executed | 649 | This·option·is·a·safety·feature·that·should·be·used·when·the·command·executed |
| 650 | can·return·a·very·large,·possibly·infinite,·result.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id=" | 650 | can·return·a·very·large,·possibly·infinite,·result.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id="8177264877-1">(</span><span·class="s">"cat·/dev/zero"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8177264877-2">#{</span><span·class="w">·</span><span·class="ss">max_size</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·192,·SHA:·d46131d475dcd9ffd934ec1cf90de0b326635a4a179c589efef9e54510b6a6f7·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 651 | </span><span·class="p"·data-group-id=" | 651 | </span><span·class="p"·data-group-id="8177264877-3">[</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="[·...·truncated·by·diffoscope;·len:·763,·SHA:·07bd9293af70f0829d6c8f755f1f9216840deacd492d6eaf76bfb954cafbe1f8·...·]-3">]</span></code></pre></li></ul> |
| 652 | ··</section> | 652 | ··</section> |
| 653 | </section> | 653 | </section> |
| 654 | <section·class="detail"·id="env/0"> | 654 | <section·class="detail"·id="env/0"> |
| 655 | ··<div·class="detail-header"> | 655 | ··<div·class="detail-header"> |
| 656 | ····<a·href="#env/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 656 | ····<a·href="#env/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 657 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 657 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 918 | ······</div> | 918 | ······</div> |
| 919 | <p>Returns·a·performance·counter·that·can·be·used·as·a·very·fast·and·high | 919 | <p>Returns·a·performance·counter·that·can·be·used·as·a·very·fast·and·high |
| 920 | resolution·timestamp.</p><p>This·counter·is·read·directly·from·the·hardware·or·operating·system·with·the | 920 | resolution·timestamp.</p><p>This·counter·is·read·directly·from·the·hardware·or·operating·system·with·the |
| 921 | same·guarantees.·This·means·that·two·consecutive·calls·to·the·function·are·not | 921 | same·guarantees.·This·means·that·two·consecutive·calls·to·the·function·are·not |
| 922 | guaranteed·to·be·monotonic,·though·it·most·likely·will·be.·The·performance | 922 | guaranteed·to·be·monotonic,·though·it·most·likely·will·be.·The·performance |
| 923 | counter·will·be·converted·to·the·resolution·passed·as·an·argument.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">T1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">perf_counter</span><span·class="p"·data-group-id=" | 923 | counter·will·be·converted·to·the·resolution·passed·as·an·argument.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">T1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">perf_counter</span><span·class="p"·data-group-id="2372653159-1">(</span><span·class="mi">1000</span><span·class="p"·data-group-id="2372653159-1">)</span><span·class="p">,</span><span·class="k">receive</span><span·class="w">·</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">10000<[·...·truncated·by·diffoscope;·len:·487,·SHA:·f27481dccfeab4cd24168393ae289b52a5e3c937a2aa3fcbb3975cb284b21877·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 924 | </span><span·class="mi">176525861</span><span·class="gp·unselectable"> | 924 | </span><span·class="mi">176525861</span><span·class="gp·unselectable"> |
| 925 | 2>·</span><span·class="n">T2</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="n">T1</span><span·class="p">.</span><span·class="w"> | 925 | 2>·</span><span·class="n">T2</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="n">T1</span><span·class="p">.</span><span·class="w"> |
| 926 | </span><span·class="mi">10004</span></code></pre> | 926 | </span><span·class="mi">10004</span></code></pre> |
| 927 | ··</section> | 927 | ··</section> |
| 928 | </section> | 928 | </section> |
| 929 | <section·class="detail"·id="putenv/2"> | 929 | <section·class="detail"·id="putenv/2"> |
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| 1079 | <p>Returns·the·current·<a·href="../../../../erts-15.2.3/doc/html/time_correction.html#os-system-time">OS·system·time</a> | 1079 | <p>Returns·the·current·<a·href="../../../../erts-15.2.3/doc/html/time_correction.html#os-system-time">OS·system·time</a> |
| 1080 | in·the·same·format·as·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#timestamp/0"><code·class="inline">erlang:timestamp/0</code></a>.</p><p>The·tuple·can·be·used·together·with·function·<a·href="../../../../lib/stdlib-6.2.1/doc/html/calendar.html#now_to_universal_time/1"><code·class="inline">calendar:now_to_universal_time/1</code></a> | 1080 | in·the·same·format·as·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#timestamp/0"><code·class="inline">erlang:timestamp/0</code></a>.</p><p>The·tuple·can·be·used·together·with·function·<a·href="../../../../lib/stdlib-6.2.1/doc/html/calendar.html#now_to_universal_time/1"><code·class="inline">calendar:now_to_universal_time/1</code></a> |
| 1081 | or·<a·href="../../../../lib/stdlib-6.2.1/doc/html/calendar.html#now_to_local_time/1"><code·class="inline">calendar:now_to_local_time/1</code></a>·to·get·calendar·time.·Using·the·calendar·time, | 1081 | or·<a·href="../../../../lib/stdlib-6.2.1/doc/html/calendar.html#now_to_local_time/1"><code·class="inline">calendar:now_to_local_time/1</code></a>·to·get·calendar·time.·Using·the·calendar·time, |
| 1082 | together·with·the·<code·class="inline">MicroSecs</code>·part·of·the·return·tuple·from·this·function, | 1082 | together·with·the·<code·class="inline">MicroSecs</code>·part·of·the·return·tuple·from·this·function, |
| 1083 | allows·you·to·log·time·stamps·in·high·resolution·and·consistent·with·the·time·in | 1083 | allows·you·to·log·time·stamps·in·high·resolution·and·consistent·with·the·time·in |
| 1084 | ·the·rest·of·the·OS.</p><p>Example·of·code·formatting·a·string·in·format·"DD·Mon·YYYY·HH:MM:SS.mmmmmm", | 1084 | ·the·rest·of·the·OS.</p><p>Example·of·code·formatting·a·string·in·format·"DD·Mon·YYYY·HH:MM:SS.mmmmmm", |
| 1085 | where·DD·is·the·day·of·month,·Mon·is·the·textual·month·name,·YYYY·is·the·year, | 1085 | where·DD·is·the·day·of·month,·Mon·is·the·textual·month·name,·YYYY·is·the·year, |
| 1086 | HH:MM:SS·is·the·time,·and·mmmmmm·is·the·microseconds·in·six·positions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="9408398698-1">(</span><span·class="ss">print_time</span><span·class="p"·data-group-id="9408398698-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1087 | 1086 | HH:MM:SS·is·the·time,·and·mmmmmm·is·the·microseconds·in·six·positions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="6589029956-1">(</span><span·class="ss">print_time[·...·truncated·by·diffoscope;·len:·50,·SHA:·b7187c0f2d5f436c4ca48fa55d61377b46a2727176713df90fab9355741f2a39·...·]">)</span><span·class="p">.</span><span·class="w"> | |
| 1087 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6589029956-2">(</span><span·class="p"·data-group-id="6589029956-3">[</span><span·class="ss">format_utc_timestamp</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="6589029956-3">]</span><span·class="p"·data-group-id="6589029956-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 1088 | </span><span·class="nf">format_utc_timestamp</span><span·class="p"·data-group-id=" | 1088 | </span><span·class="nf">format_utc_timestamp</span><span·class="p"·data-group-id="6589029956-4">(</span><span·class="p"·data-group-id="6589029956-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1089 | ····</span><span·class="n">TS</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 1089 | ····</span><span·class="n">TS</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6589029956-5">{</span><span·class="p">_</span><span·class="p">,</span><span·class="p">_</span><span·class="p">,</span><span·class="n">Micro</span><span·class="p"·data-group-id="6589029956-5">}</span><span·class="w">·</span><span·class="o">=</span><span·cla[·...·truncated·by·diffoscope;·len:·192,·SHA:·af552295b2856ee936d1895292dea65c41f7506d1b2922c6f0075b4deaf7daa3·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 1090 | ····</span><span·class="p"·data-group-id=" | 1090 | ····</span><span·class="p"·data-group-id="6589029956-7">{</span><span·class="p"·data-group-id="6589029956-8">{</span><span·class="n">Year</span><span·class="p">,</span><span·class="n">Month</span><span·class="p">,</span><span·class="n">Day</span><span·class="p"·data-group-id="6589029956-8">}</span[·...·truncated·by·diffoscope;·len:·305,·SHA:·b7c7cff534de16d467f4b461d6ec07171bf9cba8203259b4f7b5a64a39c434c0·...·]-7">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 1091 | </span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">now_to_universal_time</span><span·class="p"·data-group-id=" | 1091 | </span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">now_to_universal_time</span><span·class="p"·data-group-id="6589029956-10">(</span><span·class="n">TS</span><span·class="p"·data-group-id="6589029956-10">)</span><span·class="p">,</span><span·class="w"> |
| 1092 | ····</span><span·class="n">Mstr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 1092 | ····</span><span·class="n">Mstr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id="6589029956-11">(</span><span·class="n">Month</span><span·class="p">,</span><span·class="p"·data-group-id="6589029956-12">{</span><span·class="s">"Jan"</span><span·class="p">,</span><span·class="s">"Feb"</span><span·class="p">,</span><span·class="s">"Mar"</span><span·class="p">,</span><span·class="s">"Apr"</span><span·class="p">,</span><span·class="s">"May"</span><span·class="p">,</span><span·class="s">"Jun"</span><span·class="p">,</span><span·class="s">"Jul"</span><span·class="p">,</span><span·class="w"> |
| 1093 | ····</span><span·class="s">"Aug"</span><span·class="p">,</span><span·class="s">"Sep"</span><span·class="p">,</span><span·class="s">"Oct"</span><span·class="p">,</span><span·class="s">"Nov"</span><span·class="p">,</span><span·class="s">"Dec"</span><span·class="p"·data-group-id=" | 1093 | ····</span><span·class="s">"Aug"</span><span·class="p">,</span><span·class="s">"Sep"</span><span·class="p">,</span><span·class="s">"Oct"</span><span·class="p">,</span><span·class="s">"Nov"</span><span·class="p">,</span><span·class="s">"Dec"</span><span·class="p"·data-group-id="6589029956-12">}</span><span·class="p"·data-group-id="6589029956-11">)</span><span·class="p">,</span><span·class="w"> |
| 1094 | ····</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 1094 | ····</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6589029956-13">(</span><span·class="s">"</span><span·class="si">~2w</span><span·class="s">·</span><span·class="si">~s</span><span·class="s">·</span><span·class="si">~4w</span><span·class="s">·</span><span·class="si">~2w</span><span·class="s">:</span><span·class="si">~2..0w</span><span·class="s">:</span><span·class="si">~2..0w</span><span·class="s">.</span><span·class="si">~6..0w</span><span·class="s">"</span><span·class="p">,</span><span·class="w"> |
| 1095 | ····</span><span·class="p"·data-group-id=" | 1095 | ····</span><span·class="p"·data-group-id="6589029956-14">[</span><span·class="n">Day</span><span·class="p">,</span><span·class="n">Mstr</span><span·class="p">,</span><span·class="n">Year</span><span·class="p">,</span><span·class="n">Hour</span><span·class="p">,</span><span·class="n">Minute</span><[·...·truncated·by·diffoscope;·len:·1004,·SHA:·6401a0fecf88b2f42997ef36b6ac86b7d18c94bff3197118190e1832dbfd6048·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1096 | </span><span·class="mi">29</span><span·class="w">·</span><span·class="n">Apr</span><span·class="w">·</span><span·class="mi">2009</span><span·class="w">··</span><span·class="mi">9</span><span·class="p">:</span><span·class="mi">55</span><span·class="p">:</span><span·class="mf">30.051711</span></code></pre><p>OS·system·time·can·also·be·retrieved·by·<a·href="#system_time/0"><code·class="inline">system_time/0</code></a>·and·<a·href="#system_time/1"><code·class="inline">system_time/1</code></a>.</p> | 1096 | </span><span·class="mi">29</span><span·class="w">·</span><span·class="n">Apr</span><span·class="w">·</span><span·class="mi">2009</span><span·class="w">··</span><span·class="mi">9</span><span·class="p">:</span><span·class="mi">55</span><span·class="p">:</span><span·class="mf">30.051711</span></code></pre><p>OS·system·time·can·also·be·retrieved·by·<a·href="#system_time/0"><code·class="inline">system_time/0</code></a>·and·<a·href="#system_time/1"><code·class="inline">system_time/1</code></a>.</p> |
| 1097 | ··</section> | 1097 | ··</section> |
| 1098 | </section> | 1098 | </section> |
| 1099 | <section·class="detail"·id="type/0"> | 1099 | <section·class="detail"·id="type/0"> |
| 1100 | ··<div·class="detail-header"> | 1100 | ··<div·class="detail-header"> |
| 1101 | ····<a·href="#type/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1101 | ····<a·href="#type/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
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| 1210 | ······<p·class="built-using"> | 1210 | ······<p·class="built-using"> |
| 1211 | ········Built·using | 1211 | ········Built·using |
| 1212 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1212 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1213 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1213 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1214 | ······</p> | 1214 | ······</p> |
| 1215 | <p>Copyright·©·1996-202 | 1215 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1216 | ····</footer> | 1216 | ····</footer> |
| 1217 | ··</div> | 1217 | ··</div> |
| 1218 | </main> | 1218 | </main> |
| 1219 | </div> | 1219 | </div> |
| 1220 | <script> | 1220 | <script> |
| 1221 | ··function·mermaidLoaded()·{ | 1221 | ··function·mermaidLoaded()·{ |
| 1222 | ····mermaid.initialize({ | 1222 | ····mermaid.initialize({ |
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| 836 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·monitor_scope(Scope·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>())·->·{<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0">reference</a>(),·#{<a·href="#t:group/0">group</a>()·=>·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0">pid</a>()]}}.</pre> | 836 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·monitor_scope(Scope·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>())·->·{<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0">reference</a>(),·#{<a·href="#t:group/0">group</a>()·=>·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0">pid</a>()]}}.</pre> |
| 837 | ······</div> | 837 | ······</div> |
| 838 | <p>Subscribes·the·caller·to·updates·from·the·specified·scope.</p><p>Returns·content·of·the·entire·scope·and·a·reference·to·match·the·upcoming | 838 | <p>Subscribes·the·caller·to·updates·from·the·specified·scope.</p><p>Returns·content·of·the·entire·scope·and·a·reference·to·match·the·upcoming |
| 839 | notifications.</p><p>Whenever·any·group·membership·changes,·an·update·message·is·sent·to·the | 839 | notifications.</p><p>Whenever·any·group·membership·changes,·an·update·message·is·sent·to·the |
| 840 | subscriber:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 840 | subscriber:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4147334103-1">{</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">join</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Group</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·781,·SHA:·3e50721c0d6353d79057fd24cd2614b576aa579a689e4a607caeb45770fd6ce8·...·]-1">}</span></code></pre> |
| 841 | ··</section> | 841 | ··</section> |
| 842 | </section> | 842 | </section> |
| 843 | <section·class="detail"·id="start/1"> | 843 | <section·class="detail"·id="start/1"> |
| 844 | ··<div·class="detail-header"> | 844 | ··<div·class="detail-header"> |
| 845 | ····<a·href="#start/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 845 | ····<a·href="#start/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 846 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 846 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1007, 15 lines modified | Offset 1007, 15 lines modified | ||
| 1007 | ······<p·class="built-using"> | 1007 | ······<p·class="built-using"> |
| 1008 | ········Built·using | 1008 | ········Built·using |
| 1009 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1009 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1010 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1010 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1011 | ······</p> | 1011 | ······</p> |
| 1012 | <p>Copyright·©·1996-202 | 1012 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1013 | ····</footer> | 1013 | ····</footer> |
| 1014 | ··</div> | 1014 | ··</div> |
| 1015 | </main> | 1015 | </main> |
| 1016 | </div> | 1016 | </div> |
| 1017 | <script> | 1017 | <script> |
| 1018 | ··function·mermaidLoaded()·{ | 1018 | ··function·mermaidLoaded()·{ |
| 1019 | ····mermaid.initialize({ | 1019 | ····mermaid.initialize({ |
| Offset 1043, 18 lines modified | Offset 1043, 18 lines modified | ||
| 1043 | all·the·nodes,·but·the·multicall·is·faster,·as·all·the·requests·are·sent·at·the | 1043 | all·the·nodes,·but·the·multicall·is·faster,·as·all·the·requests·are·sent·at·the |
| 1044 | same·time·and·are·collected·one·by·one·as·they·come·back.</p><p>The·function·evaluates·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(Module,·Function,·Args)</code></a>·on·the | 1044 | same·time·and·are·collected·one·by·one·as·they·come·back.</p><p>The·function·evaluates·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(Module,·Function,·Args)</code></a>·on·the |
| 1045 | specified·nodes·and·collects·the·answers.·It·returns·<code·class="inline">{ResL,·BadNodes}</code>,·where | 1045 | specified·nodes·and·collects·the·answers.·It·returns·<code·class="inline">{ResL,·BadNodes}</code>,·where |
| 1046 | <code·class="inline">BadNodes</code>·is·a·list·of·the·nodes·that·do·not·exist,·and·<code·class="inline">ResL</code>·is·a·list·of·the | 1046 | <code·class="inline">BadNodes</code>·is·a·list·of·the·nodes·that·do·not·exist,·and·<code·class="inline">ResL</code>·is·a·list·of·the |
| 1047 | return·values,·or·<code·class="inline">{badrpc,·Reason}</code>·for·failing·calls.·<code·class="inline">Timeout</code>·is·a·time | 1047 | return·values,·or·<code·class="inline">{badrpc,·Reason}</code>·for·failing·calls.·<code·class="inline">Timeout</code>·is·a·time |
| 1048 | (integer)·in·milliseconds,·or·<code·class="inline">infinity</code>.</p><p>The·following·example·is·useful·when·new·object·code·is·to·be·loaded·on·all | 1048 | (integer)·in·milliseconds,·or·<code·class="inline">infinity</code>.</p><p>The·following·example·is·useful·when·new·object·code·is·to·be·loaded·on·all |
| 1049 | nodes·in·the·network,·and·indicates·some·side·effects·that·RPCs·can·produce:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Find·object·code·for·module·Mod</span><span·class="w"> | 1049 | nodes·in·the·network,·and·indicates·some·side·effects·that·RPCs·can·produce:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Find·object·code·for·module·Mod</span><span·class="w"> |
| 1050 | </span><span·class="p"·data-group-id=" | 1050 | </span><span·class="p"·data-group-id="5520132300-1">{</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bin</span><span·class="p">,</span><span·class="w">·</span><span·class="n">File</span><span·class="p"·data-group-id="5520132300-1">}</span><span·[·...·truncated·by·diffoscope;·len:·276,·SHA:·25494a7eab8d58e9a0eb1818ad9b97af87968e09eab76d5fcdaa984dda860d57·...·]0-2">)</span><span·class="p">,</span><span·class="w"> |
| 1051 | </span><span·class="c1">%%·and·load·it·on·all·nodes·including·this·one</span><span·class="w"> | 1051 | </span><span·class="c1">%%·and·load·it·on·all·nodes·including·this·one</span><span·class="w"> |
| 1052 | </span><span·class="p"·data-group-id=" | 1052 | </span><span·class="p"·data-group-id="5520132300-3">{</span><span·class="n">ResL</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p"·data-group-id="5520132300-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·607,·SHA:·24bb15ba3221cebdf63281066e77573506e26d68168dd24648acfd92dcf67d38·...·]0-4">)</span><span·class="p">,</span><span·class="w"> |
| 1053 | </span><span·class="c1">%%·and·then·maybe·check·the·ResL·list.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>If·you·want·the·ability·to·distinguish·between·results,·you·may·want·to | 1053 | </span><span·class="c1">%%·and·then·maybe·check·the·ResL·list.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>If·you·want·the·ability·to·distinguish·between·results,·you·may·want·to |
| 1054 | consider·using·the·<a·href="erpc.html#multicall/4"><code·class="inline">erpc:multicall()</code></a>·function·from·the | 1054 | consider·using·the·<a·href="erpc.html#multicall/4"><code·class="inline">erpc:multicall()</code></a>·function·from·the |
| 1055 | <code·class="inline">erpc</code>·module·instead.</p></section><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>You·cannot·make·<em>any</em>·assumptions·about·the·process·that·will·perform·the | 1055 | <code·class="inline">erpc</code>·module·instead.</p></section><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>You·cannot·make·<em>any</em>·assumptions·about·the·process·that·will·perform·the |
| 1056 | <code·class="inline">apply()</code>.·It·may·be·the·calling·process·itself,·an·<code·class="inline">rpc</code>·server,·another | 1056 | <code·class="inline">apply()</code>.·It·may·be·the·calling·process·itself,·an·<code·class="inline">rpc</code>·server,·another |
| 1057 | server,·or·a·freshly·spawned·process.</p></section> | 1057 | server,·or·a·freshly·spawned·process.</p></section> |
| 1058 | ··</section> | 1058 | ··</section> |
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| 1396 | ······<p·class="built-using"> | 1396 | ······<p·class="built-using"> |
| 1397 | ········Built·using | 1397 | ········Built·using |
| 1398 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1398 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1399 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1399 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1400 | ······</p> | 1400 | ······</p> |
| 1401 | <p>Copyright·©·1996-202 | 1401 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1402 | ····</footer> | 1402 | ····</footer> |
| 1403 | ··</div> | 1403 | ··</div> |
| 1404 | </main> | 1404 | </main> |
| 1405 | </div> | 1405 | </div> |
| 1406 | <script> | 1406 | <script> |
| 1407 | ··function·mermaidLoaded()·{ | 1407 | ··function·mermaidLoaded()·{ |
| 1408 | ····mermaid.initialize({ | 1408 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 137 | of·the·trace·output.</p><h2·id="module-trace-messages-sent-to-the-system-tracer"·class="section-heading"> | 137 | of·the·trace·output.</p><h2·id="module-trace-messages-sent-to-the-system-tracer"·class="section-heading"> |
| 138 | ··<a·href="#module-trace-messages-sent-to-the-system-tracer"·class="hover-link"> | 138 | ··<a·href="#module-trace-messages-sent-to-the-system-tracer"·class="hover-link"> |
| 139 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 139 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 140 | ··</a> | 140 | ··</a> |
| 141 | ··<span·class="text">Trace·Messages·Sent·to·the·System·Tracer</span> | 141 | ··<span·class="text">Trace·Messages·Sent·to·the·System·Tracer</span> |
| 142 | </h2> | 142 | </h2> |
| 143 | <p>The·format·of·the·messages·is·one·of·the·following,·depending·on·if·flag | 143 | <p>The·format·of·the·messages·is·one·of·the·following,·depending·on·if·flag |
| 144 | <code·class="inline">timestamp</code>·of·the·trace·token·is·set·to·<code·class="inline">true</code>·or·<code·class="inline">false</code>:</p><pre><code·class="text">{seq_trace,·Label,·SeqTraceInfo,·TimeStamp}</code></pre><p>or</p><pre><code·class="text">{seq_trace,·Label,·SeqTraceInfo}</code></pre><p>Where:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Label</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id=" | 144 | <code·class="inline">timestamp</code>·of·the·trace·token·is·set·to·<code·class="inline">true</code>·or·<code·class="inline">false</code>:</p><pre><code·class="text">{seq_trace,·Label,·SeqTraceInfo,·TimeStamp}</code></pre><p>or</p><pre><code·class="text">{seq_trace,·Label,·SeqTraceInfo}</code></pre><p>Where:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Label</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id="9766042160-1">(</span><span·class="p"·data-group-id="9766042160-1">)</span><span·class="w"> |
| 145 | </span><span·class="n">TimeStamp</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 145 | </span><span·class="n">TimeStamp</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9766042160-2">{</span><span·class="n">Seconds</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Milliseconds</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Microseconds</span><span·class="p"·data-group-id="9766042[·...·truncated·by·diffoscope;·len:·3,·SHA:·a512db2741cd20693e4b16f19891e72b9ff12cead72761fc5e92d2aaf34740c1·...·]-2">}</span><span·class="w"> |
| 146 | ··</span><span·class="n">Seconds</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Milliseconds</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Microseconds</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id=" | 146 | ··</span><span·class="n">Seconds</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Milliseconds</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Microseconds</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id="9766042160-3">(</span><span·class="p"·data-group-id="9766042160-3">)</span></code></pre><p><code·class="inline">SeqTraceInfo</code>·can·have·the·following·formats:</p><ul><li><p><strong><code·class="inline">{send,·Serial,·From,·To,·Message}</code></strong>·-·Used·when·a·process·<code·class="inline">From</code>·with·its |
| 147 | trace·token·flag·<code·class="inline">send</code>·set·to·<code·class="inline">true</code>·has·sent·information.·<code·class="inline">To</code>·may·be·a | 147 | trace·token·flag·<code·class="inline">send</code>·set·to·<code·class="inline">true</code>·has·sent·information.·<code·class="inline">To</code>·may·be·a |
| 148 | process·identifier,·a·registered·name·on·a·node·represented·as | 148 | process·identifier,·a·registered·name·on·a·node·represented·as |
| 149 | <code·class="inline">{NameAtom,·NodeAtom}</code>,·or·a·node·name·represented·as·an·atom.·<code·class="inline">From</code>·may·be·a | 149 | <code·class="inline">{NameAtom,·NodeAtom}</code>,·or·a·node·name·represented·as·an·atom.·<code·class="inline">From</code>·may·be·a |
| 150 | process·identifier·or·a·node·name·represented·as·an·atom.·<code·class="inline">Message</code>·contains | 150 | process·identifier·or·a·node·name·represented·as·an·atom.·<code·class="inline">Message</code>·contains |
| 151 | the·information·passed·along·in·this·information·transfer.·If·the·transfer·is | 151 | the·information·passed·along·in·this·information·transfer.·If·the·transfer·is |
| 152 | done·via·message·passing,·it·is·the·actual·message.</p></li><li><p><strong><code·class="inline">{'receive',·Serial,·From,·To,·Message}</code></strong>·-·Used·when·a·process·<code·class="inline">To</code> | 152 | done·via·message·passing,·it·is·the·actual·message.</p></li><li><p><strong><code·class="inline">{'receive',·Serial,·From,·To,·Message}</code></strong>·-·Used·when·a·process·<code·class="inline">To</code> |
| 153 | receives·information·with·a·trace·token·that·has·flag·<code·class="inline">'receive'</code>·set·to | 153 | receives·information·with·a·trace·token·that·has·flag·<code·class="inline">'receive'</code>·set·to |
| Offset 283, 76 lines modified | Offset 283, 76 lines modified | ||
| 283 | from·the·sequential·tracing·point·of·view.</p><h2·id="module-example-of-use"·class="section-heading"> | 283 | from·the·sequential·tracing·point·of·view.</p><h2·id="module-example-of-use"·class="section-heading"> |
| 284 | ··<a·href="#module-example-of-use"·class="hover-link"> | 284 | ··<a·href="#module-example-of-use"·class="hover-link"> |
| 285 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 285 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 286 | ··</a> | 286 | ··</a> |
| 287 | ··<span·class="text">Example·of·Use</span> | 287 | ··<span·class="text">Example·of·Use</span> |
| 288 | </h2> | 288 | </h2> |
| 289 | <p>This·example·gives·a·rough·idea·of·how·the·new·primitives·can·be·used·and·what | 289 | <p>This·example·gives·a·rough·idea·of·how·the·new·primitives·can·be·used·and·what |
| 290 | kind·of·output·it·produces.</p><p>Assume·that·you·have·an·initiating·process·with·<code·class="inline">Pid·==·<0.30.0></code>·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 290 | kind·of·output·it·produces.</p><p>Assume·that·you·have·an·initiating·process·with·<code·class="inline">Pid·==·<0.30.0></code>·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="8833344478-1">(</span><span·class="ss">seqex</span><span·class="p"·data-group-id="8833344478-1">)</span><span·class="p">.</span><span·class="w"> |
| 291 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 291 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="8833344478-2">(</span><span·class="ss">export_all</span><span·class="p"·data-group-id="8833344478-2">)</span><span·class="p">.</span><span·class="w"> |
| 292 | </span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 292 | </span><span·class="nf">loop</span><span·class="p"·data-group-id="8833344478-3">(</span><span·class="n">Port</span><span·class="p"·data-group-id="8833344478-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 293 | ····</span><span·class="k">receive</span><span·class="w"> | 293 | ····</span><span·class="k">receive</span><span·class="w"> |
| 294 | ········</span><span·class="p"·data-group-id=" | 294 | ········</span><span·class="p"·data-group-id="8833344478-4">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="n">Message</span><span·class="p"·data-group-id="8833344478-4">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 295 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id=" | 295 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id="8833344478-5">(</span><span·class="ss">label</span><span·class="p">,</span><span·class="mi">17</span><span·class="p"·data-group-id="8833344478-5">)</span><span·class="p">,</span><span·class="w"> |
| 296 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id=" | 296 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id="8833344478-6">(</span><span·class="ss">'receive'</span><span·class="p">,</span><span·class="ss">true</span><span·class="p"·data-group-id="8833344478-6">)</span><span·class="p">,</span><span·class="w"> |
| 297 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id=" | 297 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id="8833344478-7">(</span><span·class="ss">print</span><span·class="p">,</span><span·class="ss">true</span><span·class="p"·data-group-id="8833344478-7">)</span><span·class="p">,</span><span·class="w"> |
| 298 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">print</span><span·class="p"·data-group-id=" | 298 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">print</span><span·class="p"·data-group-id="8833344478-8">(</span><span·class="mi">17</span><span·class="p">,</span><span·class="s">"****·Trace·Started·****"</span><span·class="p"·data-group-id="8833344478-8">)</span><span·class="p">,</span><span·class="w"> |
| 299 | ············</span><span·class="ss">call_server</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 299 | ············</span><span·class="ss">call_server</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="8833344478-9">{</span><span·class="nf">self</span><span·class="p"·data-group-id="8833344478-10">(</span><span·class="p"·data-group-id="8833344478-10">)</span><span·class="p">,</span><span·class="ss">the_message</span><span·class="p"·data-group-id="88333444[·...·truncated·by·diffoscope;·len:·1,·SHA:·7902699be42c8a8e46fbbb4501726517e86b22c56a189f7625a6da49081b2451·...·]8-9">}</span><span·class="p">;</span><span·class="w"> |
| 300 | ········</span><span·class="p"·data-group-id=" | 300 | ········</span><span·class="p"·data-group-id="8833344478-11">{</span><span·class="ss">ack</span><span·class="p">,</span><span·class="n">Ack</span><span·class="p"·data-group-id="8833344478-11">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 301 | ············</span><span·class="ss">ok</span><span·class="w"> | 301 | ············</span><span·class="ss">ok</span><span·class="w"> |
| 302 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 302 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 303 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 303 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="8833344478-12">(</span><span·class="n">Port</span><span·class="p"·data-group-id="8833344478-12">)</span><span·class="p">.</span></code></pre><p>And·a·registered·process·<code·class="inline">call_server</code>·with·<code·class="inline">Pid·==·<0.31.0>[·...·truncated·by·diffoscope;·len:·192,·SHA:·60d76d9dabe4c2142cd8bfcb31d87f263727dd36ca2ae43decd8fd237d00f5b8·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 304 | ····</span><span·class="k">receive</span><span·class="w"> | 304 | ····</span><span·class="k">receive</span><span·class="w"> |
| 305 | ········</span><span·class="p"·data-group-id=" | 305 | ········</span><span·class="p"·data-group-id="6018045885-2">{</span><span·class="n">PortController</span><span·class="p">,</span><span·class="n">Message</span><span·class="p"·data-group-id="6018045885-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 306 | ············</span><span·class="n">Ack</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 306 | ············</span><span·class="n">Ack</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6018045885-3">{</span><span·class="ss">received</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Message</span><span·class="p"·data-group-id="6018045885-3">}</span><span·class="p">,</span><span·class="w"> |
| 307 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">print</span><span·class="p"·data-group-id=" | 307 | ············</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">print</span><span·class="p"·data-group-id="6018045885-4">(</span><span·class="mi">17</span><span·class="p">,</span><span·class="s">"We·are·here·now"</span><span·class="p"·data-group-id="6018045885-4">)</span><span·class="p">,</span><span·class="w"> |
| 308 | ············</span><span·class="n">PortController</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 308 | ············</span><span·class="n">PortController</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="6018045885-5">{</span><span·class="ss">ack</span><span·class="p">,</span><span·class="n">Ack</span><span·class="p"·data-group-id="6018045885-5">}</span><span·class="w"> |
| 309 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 309 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 310 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 310 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="6018045885-6">(</span><span·class="p"·data-group-id="6018045885-6">)</span><span·class="p">.</span></code></pre><p>A·possible·output·from·the·system's·<code·class="inline">sequential_tracer</code>·can·be·like·this:</p><pre><code·class="makeup·erlang"·trans[·...·truncated·by·diffoscope;·len:·434,·SHA:·08edfeaf7cde05f035ec293d2c52193d2c942554085c23664da16c61f1fde285·...·]-1">}</span><span·class="w">·</span><span·class="n">WITH</span><span·class="w"> |
| 311 | </span><span·class="s">"****·Trace·Started·****"</span><span·class="w"> | 311 | </span><span·class="s">"****·Trace·Started·****"</span><span·class="w"> |
| 312 | </span><span·class="mi">17</span><span·class="p">:</span><span·class="o"><</span><span·class="mf">0.31</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">·</span><span·class="n">Received</span><span·class="w">·</span><span·class="p"·data-group-id=" | 312 | </span><span·class="mi">17</span><span·class="p">:</span><span·class="o"><</span><span·class="mf">0.31</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">·</span><span·class="n">Received</span><span·class="w">·</span><span·class="p"·data-group-id="7047050856-2">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="7047050856-2">}</span><span·class="w">·</span><span·class="n">FROM</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.30</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">·</span><span·class="n">WITH</span><span·class="w"> |
| 313 | </span><span·class="p"·data-group-id=" | 313 | </span><span·class="p"·data-group-id="7047050856-3">{</span><span·class="o"><</span><span·class="mf">0.30</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="ss">the_message</span><span·class="p"·data-group-id="7047050856-3">}</span><span·class="w"> |
| 314 | </span><span·class="mi">17</span><span·class="p">:</span><span·class="o"><</span><span·class="mf">0.31</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">·</span><span·class="n">Info</span><span·class="w">·</span><span·class="p"·data-group-id=" | 314 | </span><span·class="mi">17</span><span·class="p">:</span><span·class="o"><</span><span·class="mf">0.31</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">·</span><span·class="n">Info</span><span·class="w">·</span><span·class="p"·data-group-id="7047050856-4">{</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="7047050856-4">}</span><span·class="w">·</span><span·class="n">WITH</span><span·class="w"> |
| 315 | </span><span·class="s">"We·are·here·now"</span><span·class="w"> | 315 | </span><span·class="s">"We·are·here·now"</span><span·class="w"> |
| 316 | </span><span·class="mi">17</span><span·class="p">:</span><span·class="o"><</span><span·class="mf">0.30</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">·</span><span·class="n">Received</span><span·class="w">·</span><span·class="p"·data-group-id=" | 316 | </span><span·class="mi">17</span><span·class="p">:</span><span·class="o"><</span><span·class="mf">0.30</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">·</span><span·class="n">Received</span><span·class="w">·</span><span·class="p"·data-group-id="7047050856-5">{</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="7047050856-5">}</span><span·class="w">·</span><span·class="n">FROM</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.31</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">·</span><span·class="n">WITH</span><span·class="w"> |
| 317 | </span><span·class="p"·data-group-id=" | 317 | </span><span·class="p"·data-group-id="7047050856-6">{</span><span·class="ss">ack</span><span·class="p">,</span><span·class="p"·data-group-id="7047050856-7">{</span><span·class="ss">received</span><span·class="p">,</span><span·class="ss">the_message</span><span·class="p"·data-group-id="70470508[·...·truncated·by·diffoscope;·len:·55,·SHA:·7df6b6301ec0b399f4b208a20483c5f1f45137a17b3e4444e252e49ab22c05e6·...·]-6">}</span></code></pre><p>The·implementation·of·a·system·tracer·process·that·produces·this·printout·can |
| 318 | look·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">tracer</span><span·class="p"·data-group-id=" | 318 | look·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">tracer</span><span·class="p"·data-group-id="9901038864-1">(</span><span·class="p"·data-group-id="9901038864-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 319 | ····</span><span·class="k">receive</span><span·class="w"> | 319 | ····</span><span·class="k">receive</span><span·class="w"> |
| 320 | ········</span><span·class="p"·data-group-id=" | 320 | ········</span><span·class="p"·data-group-id="9901038864-2">{</span><span·class="ss">seq_trace</span><span·class="p">,</span><span·class="n">Label</span><span·class="p">,</span><span·class="n">TraceInfo</span><span·class="p"·data-group-id="9901038864-2">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 321 | ···········</span><span·class="nf">print_trace</span><span·class="p"·data-group-id=" | 321 | ···········</span><span·class="nf">print_trace</span><span·class="p"·data-group-id="9901038864-3">(</span><span·class="n">Label</span><span·class="p">,</span><span·class="n">TraceInfo</span><span·class="p">,</span><span·class="ss">false</span><span·class="p"·data-group-id="9901038864-3">)</span><span·class="p">;</span><span·class="w"> |
| 322 | ········</span><span·class="p"·data-group-id=" | 322 | ········</span><span·class="p"·data-group-id="9901038864-4">{</span><span·class="ss">seq_trace</span><span·class="p">,</span><span·class="n">Label</span><span·class="p">,</span><span·class="n">TraceInfo</span><span·class="p">,</span><span·class="n">Ts</span><span·class="p"·data-group-id="9901038864-4">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 323 | ···········</span><span·class="nf">print_trace</span><span·class="p"·data-group-id=" | 323 | ···········</span><span·class="nf">print_trace</span><span·class="p"·data-group-id="9901038864-5">(</span><span·class="n">Label</span><span·class="p">,</span><span·class="n">TraceInfo</span><span·class="p">,</span><span·class="n">Ts</span><span·class="p"·data-group-id="9901038864-5">)</span><span·class="p">;</span><span·class="w"> |
| 324 | ········</span><span·class="p">_</span><span·class="n">Other</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ignore</span><span·class="w"> | 324 | ········</span><span·class="p">_</span><span·class="n">Other</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ignore</span><span·class="w"> |
| 325 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 325 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 326 | ····</span><span·class="nf">tracer</span><span·class="p"·data-group-id=" | 326 | ····</span><span·class="nf">tracer</span><span·class="p"·data-group-id="9901038864-6">(</span><span·class="p"·data-group-id="9901038864-6">)</span><span·class="p">.</span><span·class="w"> |
| 327 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id=" | 327 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id="9901038864-7">(</span><span·class="n">Label</span><span·class="p">,</span><span·class="n">TraceInfo</span><span·class="p">,</span><span·class="ss">false</span><span·class="p"·data-group-id="9901038864-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 328 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 328 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="9901038864-8">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">:"</span><span·class="p">,</span><span·class="p"·data-group-id="9901038864-9">[</span><span·class="n">Label</span><span·class="p"·data-group-id="9901038864-9"[·...·truncated·by·diffoscope;·len:·50,·SHA:·3238571473758221e0d227f1c230f9a3a38422bc6740772c03cf76b7242e776c·...·]-8">)</span><span·class="p">,</span><span·class="w"> |
| 329 | ····</span><span·class="nf">print_trace</span><span·class="p"·data-group-id=" | 329 | ····</span><span·class="nf">print_trace</span><span·class="p"·data-group-id="9901038864-10">(</span><span·class="n">TraceInfo</span><span·class="p"·data-group-id="9901038864-10">)</span><span·class="p">;</span><span·class="w"> |
| 330 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id=" | 330 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id="9901038864-11">(</span><span·class="n">Label</span><span·class="p">,</span><span·class="n">TraceInfo</span><span·class="p">,</span><span·class="n">Ts</span><span·class="p"·data-group-id="9901038864-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 331 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 331 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="9901038864-12">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">·</span><span·class="si">~p</span><span·class="s">:"</span><span·class="p">,</span><span·class="p"·data-group-id="9901038864-13">[</span><span·class="n">Labe[·...·truncated·by·diffoscope;·len:·152,·SHA:·a521cacb432008fdd3e59f5807724f859ce935be92dfa32a06d99acebdcf835c·...·]-12">)</span><span·class="p">,</span><span·class="w"> |
| 332 | ····</span><span·class="nf">print_trace</span><span·class="p"·data-group-id=" | 332 | ····</span><span·class="nf">print_trace</span><span·class="p"·data-group-id="9901038864-14">(</span><span·class="n">TraceInfo</span><span·class="p"·data-group-id="9901038864-14">)</span><span·class="p">.</span><span·class="w"> |
| 333 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id=" | 333 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id="9901038864-15">(</span><span·class="p"·data-group-id="9901038864-16">{</span><span·class="ss">print</span><span·class="p">,</span><span·class="n">Serial</span><span·class="p">,</span><span·class="n">From</span><span·class="p">,</span><span·class="p">_</spa[·...·truncated·by·diffoscope;·len:·148,·SHA:·cc363d4a35d1e55e32bb14dd698f1c2654c612b57f59edb61ee1a8f0038c1b26·...·]-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 334 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 334 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="9901038864-17">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">·Info·</span><span·class="si">~p</span><span·class="s">·WITH</span><span·class="si">~n</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">&[·...·truncated·by·diffoscope;·len:·340,·SHA:·245b9b8448b1deb67408d0c2e7a93da2d0a09b5bc9f0555d21c7aca0883896c0·...·]-17">)</span><span·class="p">;</span><span·class="w"> |
| 335 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id=" | 335 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id="9901038864-19">(</span><span·class="p"·data-group-id="9901038864-20">{</span><span·class="ss">'receive'</span><span·class="p">,</span><span·class="n">Serial</span><span·class="p">,</span><span·class="n">From</span><span·class="p">,</span><span·clas[·...·truncated·by·diffoscope;·len:·164,·SHA:·5437e7a06162731e6204c261389021f0732569246fdb3069f2f77d491165c6f1·...·]-19">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 336 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 336 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="9901038864-21">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">·Received·</span><span·class="si">~p</span><span·class="s">·FROM·</span><span·class="si">~p</span><span·class="s">·WITH</span><span·class="si">~n</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w"> |
| 337 | ··············</span><span·class="p"·data-group-id=" | 337 | ··············</span><span·class="p"·data-group-id="9901038864-22">[</span><span·class="n">To</span><span·class="p">,</span><span·class="n">Serial</span><span·class="p">,</span><span·class="n">From</span><span·class="p">,</span><span·class="n">Message</span><span·class="p"·data-group-id="9901038864-22">]</s[·...·truncated·by·diffoscope;·len:·45,·SHA:·fc0325e401b731fb98a044352055eeed0fcfdac7155eaeef900d475cc8d83716·...·]-21">)</span><span·class="p">;</span><span·class="w"> |
| 338 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id=" | 338 | </span><span·class="nf">print_trace</span><span·class="p"·data-group-id="9901038864-23">(</span><span·class="p"·data-group-id="9901038864-24">{</span><span·class="nb">send</span><span·class="p">,</span><span·class="n">Serial</span><span·class="p">,</span><span·class="n">From</span><span·class="p">,</span><span·class="n">To</spa[·...·truncated·by·diffoscope;·len:·151,·SHA:·8f621c311e4b386c022ab9037385a602c4531b370670b310b32097d7a50b549c·...·]-23">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 339 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 339 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="9901038864-25">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">·Sent·</span><span·class="si">~p</span><span·class="s">·TO·</span><span·class="si">~p</span><span·class="s">·WITH</span><span·class="si">~n</span><span·class="si">~p</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w"> |
| 340 | ··············</span><span·class="p"·data-group-id=" | 340 | ··············</span><span·class="p"·data-group-id="9901038864-26">[</span><span·class="n">From</span><span·class="p">,</span><span·class="n">Serial</span><span·class="p">,</span><span·class="n">To</span><span·class="p">,</span><span·class="n">Message</span><span·class="p"·data-group-id="9901038864-26">]</s[·...·truncated·by·diffoscope;·len:·45,·SHA:·fc0325e401b731fb98a044352055eeed0fcfdac7155eaeef900d475cc8d83716·...·]-25">)</span><span·class="p">.</span></code></pre><p>The·code·that·creates·a·process·that·runs·this·tracer·function·and·sets·that |
| 341 | process·as·the·system·tracer·can·look·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start</span><span·class="p"·data-group-id=" | 341 | process·as·the·system·tracer·can·look·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">start</span><span·class="p"·data-group-id="2319798258-1">(</span><span·class="p"·data-group-id="2319798258-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 342 | ····</span><span·class="n">Pid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 342 | ····</span><span·class="n">Pid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="2319798258-2">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="ss">tracer</span><span·class="p">,</span><span·class="p"·data-group-id="2319798258-3">[</span><span·class="p"·data-group-id="2319798258-3">]</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·da8c7d927091c4bc62be7581c1caa642966bd7652da821145724647f5459cd63·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 343 | ····</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_system_tracer</span><span·class="p"·data-group-id=" | 343 | ····</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_system_tracer</span><span·class="p"·data-group-id="2319798258-4">(</span><span·class="n">Pid</span><span·class="p"·data-group-id="2319798258-4">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·set·Pid·as·the·system·tracer</span><span·class="w"> |
| 344 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>With·a·function·like·<code·class="inline">test/0</code>,·the·whole·example·can·be·started:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">test</span><span·class="p"·data-group-id=" | 344 | ····</span><span·class="ss">ok</span><span·class="p">.</span></code></pre><p>With·a·function·like·<code·class="inline">test/0</code>,·the·whole·example·can·be·started:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">test</span><span·class="p"·data-group-id="9956996629-1">(</span><span·class="p"·data-group-id="9956996629-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 345 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 345 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="9956996629-2">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">loop</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9956996629-3">[</span><spa[·...·truncated·by·diffoscope;·len:·118,·SHA:·8e1bb2847dbecd784eceaf341cda2e4f9a8df607e439a5af9f8c139541043f3d·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 346 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id=" | 346 | ····</span><span·class="nf">register</span><span·class="p"·data-group-id="9956996629-4">(</span><span·class="ss">call_server</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="9956996629-5">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">[·...·truncated·by·diffoscope;·len:·308,·SHA:·32d0985627a93d522dde6e933dd0f30a35ecbb2a9af71ceccf5e0d57e47fcde4·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 347 | ····</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 347 | ····</span><span·class="nf">start</span><span·class="p"·data-group-id="9956996629-7">(</span><span·class="p"·data-group-id="9956996629-7">)</span><span·class="p">,</span><span·class="w"> |
| 348 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 348 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="9956996629-8">{</span><span·class="ss">port</span><span·class="p">,</span><span·class="ss">message</span><span·class="p"·data-group-id="9956996629-8">}</span><span·class="p">.</span></code></pre> |
| 349 | ····</section> | 349 | ····</section> |
| 350 | </div> | 350 | </div> |
| 351 | ··<section·id="summary"·class="details-list"> | 351 | ··<section·id="summary"·class="details-list"> |
| 352 | ····<h1·class="section-heading"> | 352 | ····<h1·class="section-heading"> |
| 353 | ······<a·class="hover-link"·href="#summary"> | 353 | ······<a·class="hover-link"·href="#summary"> |
| Offset 907, 19 lines modified | Offset 907, 19 lines modified | ||
| 907 | ······</div> | 907 | ······</div> |
| 908 | <p>Sets·the·trace·token·for·the·calling·process·to·<code·class="inline">Token</code>.·If·<code·class="inline">Token·==·[]</code>·then | 908 | <p>Sets·the·trace·token·for·the·calling·process·to·<code·class="inline">Token</code>.·If·<code·class="inline">Token·==·[]</code>·then |
| 909 | tracing·is·disabled,·otherwise·<code·class="inline">Token</code>·should·be·an·Erlang·term·returned·from | 909 | tracing·is·disabled,·otherwise·<code·class="inline">Token</code>·should·be·an·Erlang·term·returned·from |
| 910 | <a·href="#get_token/0"><code·class="inline">get_token/0</code></a>·or·<a·href="#set_token/1"><code·class="inline">set_token/1</code></a>.·<a·href="#set_token/1"><code·class="inline">set_token/1</code></a> | 910 | <a·href="#get_token/0"><code·class="inline">get_token/0</code></a>·or·<a·href="#set_token/1"><code·class="inline">set_token/1</code></a>.·<a·href="#set_token/1"><code·class="inline">set_token/1</code></a> |
| 911 | can·be·used·to·temporarily·exclude·message·passing·from·the·trace·by·setting·the | 911 | can·be·used·to·temporarily·exclude·message·passing·from·the·trace·by·setting·the |
| 912 | trace·token·to·empty·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">OldToken</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id=" | 912 | trace·token·to·empty·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">OldToken</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id="8558414306-1">(</span><span·class="p"·data-group-id="8558414306-2">[</span><span·class="p"·data-group-id="8558414306-2">]</span><span·class="p"·data-group-id="8558414306-1">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·set·to·empty·and·save</span><span·class="w"> |
| 913 | ····································</span><span·class="c1">%·old·value</span><span·class="w"> | 913 | ····································</span><span·class="c1">%·old·value</span><span·class="w"> |
| 914 | </span><span·class="c1">%·do·something·that·should·not·be·part·of·the·trace</span><span·class="w"> | 914 | </span><span·class="c1">%·do·something·that·should·not·be·part·of·the·trace</span><span·class="w"> |
| 915 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 915 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="8558414306-3">(</span><span·class="s">"Exclude·the·signalling·caused·by·this</span><span·class="si">~n</span><span·class="s">"</span><span·class="p"·data-group-id="8558414306-3">)</span><span·class="p">,</span><span·class="w"> |
| 916 | </span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id=" | 916 | </span><span·class="nc">seq_trace</span><span·class="p">:</span><span·class="nf">set_token</span><span·class="p"·data-group-id="8558414306-4">(</span><span·class="n">OldToken</span><span·class="p"·data-group-id="8558414306-4">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·activate·the·trace·token·again</span><span·class="w"> |
| 917 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Returns·the·previous·value·of·the·trace·token.</p> | 917 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>Returns·the·previous·value·of·the·trace·token.</p> |
| 918 | ··</section> | 918 | ··</section> |
| 919 | </section> | 919 | </section> |
| 920 | <section·class="detail"·id="set_token/2"> | 920 | <section·class="detail"·id="set_token/2"> |
| 921 | ··<div·class="detail-header"> | 921 | ··<div·class="detail-header"> |
| 922 | ····<a·href="#set_token/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 922 | ····<a·href="#set_token/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1001, 15 lines modified | Offset 1001, 15 lines modified | ||
| 1001 | ······<p·class="built-using"> | 1001 | ······<p·class="built-using"> |
| 1002 | ········Built·using | 1002 | ········Built·using |
| 1003 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1003 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1004 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1004 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1005 | ······</p> | 1005 | ······</p> |
| 1006 | <p>Copyright·©·1996-202 | 1006 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1007 | ····</footer> | 1007 | ····</footer> |
| 1008 | ··</div> | 1008 | ··</div> |
| 1009 | </main> | 1009 | </main> |
| 1010 | </div> | 1010 | </div> |
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| 168 | and·using·that·as·the·<code·class="inline">Timeout | Handle</code>·argument,·the·same·<code·class="inline">Handle</code> | 168 | and·using·that·as·the·<code·class="inline">Timeout | Handle</code>·argument,·the·same·<code·class="inline">Handle</code> |
| 169 | will·then·be·the·<a·href="#t:select_handle/0"><code·class="inline">SelectHandle</code></a>·in·the·returned | 169 | will·then·be·the·<a·href="#t:select_handle/0"><code·class="inline">SelectHandle</code></a>·in·the·returned |
| 170 | <a·href="#t:select_info/0"><code·class="inline">select_info/0</code></a>·and·the·received·<code·class="inline">select</code>·message,·or·be | 170 | <a·href="#t:select_info/0"><code·class="inline">select_info/0</code></a>·and·the·received·<code·class="inline">select</code>·message,·or·be |
| 171 | the·<a·href="#t:completion_handle/0"><code·class="inline">CompletionHandle</code></a>·in·the·returned | 171 | the·<a·href="#t:completion_handle/0"><code·class="inline">CompletionHandle</code></a>·in·the·returned |
| 172 | <a·href="#t:completion_info/0"><code·class="inline">completion_info/0</code></a>·and·the·received·<code·class="inline">completion</code>·message.</p><p>The·compiler·may·then·optimize·a·following·<code·class="inline">receive</code>·statement | 172 | <a·href="#t:completion_info/0"><code·class="inline">completion_info/0</code></a>·and·the·received·<code·class="inline">completion</code>·message.</p><p>The·compiler·may·then·optimize·a·following·<code·class="inline">receive</code>·statement |
| 173 | to·only·scan·the·messages·that·arrive·after·the·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0"><code·class="inline">reference/0</code></a> | 173 | to·only·scan·the·messages·that·arrive·after·the·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0"><code·class="inline">reference/0</code></a> |
| 174 | is·created.··If·the·message·queue·is·large·this·is·a·big·optimization.</p><p>The·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0"><code·class="inline">reference/0</code></a>·has·to·be·unique·for·the·call.</p><h4>Repeating·an·Operation·on·a·<code·class="inline">select</code>·Systems</h4><p>On<code·class="inline">select</code>·systems,·if·a·call·would·be·repeated·<em>before</em>·the·<code·class="inline">select</code> | 174 | is·created.··If·the·message·queue·is·large·this·is·a·big·optimization.</p><p>The·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0"><code·class="inline">reference/0</code></a>·has·to·be·unique·for·the·call.</p><h4>Repeating·an·Operation·on·a·<code·class="inline">select</code>·Systems</h4><p>On<code·class="inline">select</code>·systems,·if·a·call·would·be·repeated·<em>before</em>·the·<code·class="inline">select</code> |
| 175 | message·has·been·received·it·replaces·the·call·in·progress:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="p"·data-group-id=" | 175 | message·has·been·received·it·replaces·the·call·in·progress:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="p"·data-group-id="3620886537-1">{</span><span·class="ss">select</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3620886537-2">{</span><span·class="ss">select_info</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Hand[·...·truncated·by·diffoscope;·len:·470,·SHA:·ff9a9dc410729f025391600234ef096ea1eb55b9fbd9af669274fc88c43a7d45·...·]7-3">)</span><span·class="p">,</span><span·class="w"> |
| 176 | ····</span><span·class="p"·data-group-id=" | 176 | ····</span><span·class="p"·data-group-id="3620886537-4">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">timeout</span><span·class="p"·data-group-id="3620886537-4">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·279,·SHA:·38b4f69f077a61d2e65ded182f58089012c2ee29e639a1f3b96d73d0ed01d4c7·...·]7-5">)</span><span·class="p">,</span><span·class="w"> |
| 177 | ····</span><span·class="p">:</span></code></pre><p>Above,·<code·class="inline">Handle</code>·is·<em>no·longer</em>·valid·once·the·second·<a·href="#accept/2"><code·class="inline">accept/2</code></a>,·call | 177 | ····</span><span·class="p">:</span></code></pre><p>Above,·<code·class="inline">Handle</code>·is·<em>no·longer</em>·valid·once·the·second·<a·href="#accept/2"><code·class="inline">accept/2</code></a>,·call |
| 178 | has·been·made·(the·first·call·is·automatically·canceled). | 178 | has·been·made·(the·first·call·is·automatically·canceled). |
| 179 | After·the·second·<a·href="#accept/2"><code·class="inline">accept/2</code></a>·call·returns·<code·class="inline">{error,·timeout}</code>, | 179 | After·the·second·<a·href="#accept/2"><code·class="inline">accept/2</code></a>·call·returns·<code·class="inline">{error,·timeout}</code>, |
| 180 | the·accept·operation·has·completed.</p><p>Note·that·there·is·a·race·here;·there·is·no·way·to·know·if·the·call | 180 | the·accept·operation·has·completed.</p><p>Note·that·there·is·a·race·here;·there·is·no·way·to·know·if·the·call |
| 181 | is·repeated·<em>before</em>·the·<code·class="inline">select</code>·message·is·sent·since·it·<em>may</em> | 181 | is·repeated·<em>before</em>·the·<code·class="inline">select</code>·message·is·sent·since·it·<em>may</em> |
| 182 | have·been·sent·just·before·the·repeated·call.··So·now·there | 182 | have·been·sent·just·before·the·repeated·call.··So·now·there |
| 183 | might·be·a·<code·class="inline">select</code>·message·containing·<code·class="inline">Handle</code>·in·the·inbox.</p><h4>The·<code·class="inline">abort</code>·Message</h4><p>Another·message·the·user·must·be·prepared·for | 183 | might·be·a·<code·class="inline">select</code>·message·containing·<code·class="inline">Handle</code>·in·the·inbox.</p><h4>The·<code·class="inline">abort</code>·Message</h4><p>Another·message·the·user·must·be·prepared·for |
| Offset 202, 36 lines modified | Offset 202, 36 lines modified | ||
| 202 | (<a·href="#t:completion_handle/0">completion·handle</a>) | 202 | (<a·href="#t:completion_handle/0">completion·handle</a>) |
| 203 | API·features·could·be·considered·no·longer·experimental.</li></ul><h2·id="module-examples"·class="section-heading"> | 203 | API·features·could·be·considered·no·longer·experimental.</li></ul><h2·id="module-examples"·class="section-heading"> |
| 204 | ··<a·href="#module-examples"·class="hover-link"> | 204 | ··<a·href="#module-examples"·class="hover-link"> |
| 205 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 205 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 206 | ··</a> | 206 | ··</a> |
| 207 | ··<span·class="text">Examples</span> | 207 | ··<span·class="text">Examples</span> |
| 208 | </h2> | 208 | </h2> |
| 209 | <pre><code·class="makeup·erlang"·translate="no"><span·class="nf">client</span><span·class="p"·data-group-id=" | 209 | <pre><code·class="makeup·erlang"·translate="no"><span·class="nf">client</span><span·class="p"·data-group-id="9156612203-1">(</span><span·class="n">SAddr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SPort</span><span·class="p"·data-group-id="9156612203-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 210 | ···</span><span·class="p"·data-group-id=" | 210 | ···</span><span·class="p"·data-group-id="9156612203-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Sock</span><span·class="p"·data-group-id="9156612203-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·349,·SHA:·921263e7b7c21c13ff4c3dfa5cf2b4792b19c980536cd119afd2a72c0635d3b8·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 211 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id=" | 211 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id="9156612203-4">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9156612203-5">#{</span><span·class="ss">family</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">inet</span><span·class="p">,</span><span·class="w"> |
| 212 | ·······························</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">SAddr</span><span·class="p">,</span><span·class="w"> | 212 | ·······························</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">SAddr</span><span·class="p">,</span><span·class="w"> |
| 213 | ·······························</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">SPort</span><span·class="p"·data-group-id=" | 213 | ·······························</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">SPort</span><span·class="p"·data-group-id="9156612203-5">}</span><span·class="p"·data-group-id="9156612203-4">)</span><span·class="p">,</span><span·class="w"> |
| 214 | ···</span><span·class="n">Msg</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 214 | ···</span><span·class="n">Msg</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9156612203-6"><<</span><span·class="s">"hello"</span><span·class="p"·data-group-id="9156612203-6">>></span><span·class="p">,</span><span·class="w"> |
| 215 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id=" | 215 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="9156612203-7">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="9156612203-7">)</span><span·class="p">,</span><span·class="w"> |
| 216 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">shutdown</span><span·class="p"·data-group-id=" | 216 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">shutdown</span><span·class="p"·data-group-id="9156612203-8">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">write</span><span·class="p"·data-group-id="9156612203-8">)</span><span·class="p">,</span><span·class="w"> |
| 217 | ···</span><span·class="p"·data-group-id=" | 217 | ···</span><span·class="p"·data-group-id="9156612203-9">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="9156612203-9">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·195,·SHA:·9c50e558ceb76ed39bc7f1e0e203d6e9c44836b371a0bd7df5a0c7a7c953d733·...·]-10">)</span><span·class="p">,</span><span·class="w"> |
| 218 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 218 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="9156612203-11">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="9156612203-11">)</span><span·class="p">.</span><span·class="w"> |
| 219 | </span><span·class="nf">server</span><span·class="p"·data-group-id=" | 219 | </span><span·class="nf">server</span><span·class="p"·data-group-id="9156612203-12">(</span><span·class="n">Addr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="9156612203-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | ···</span><span·class="p"·data-group-id=" | 220 | ···</span><span·class="p"·data-group-id="9156612203-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">LSock</span><span·class="p"·data-group-id="9156612203-13">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·353,·SHA:·b3743df6d85fd1c3f03b0197f00a6af69f3f8e6889545e42c66353f6d8f4451d·...·]-14">)</span><span·class="p">,</span><span·class="w"> |
| 221 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">bind</span><span·class="p"·data-group-id=" | 221 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">bind</span><span·class="p"·data-group-id="9156612203-15">(</span><span·class="n">LSock</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9156612203-16">#{</span><span·class="ss">family</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">inet</span><span·class="p">,</span><span·class="w"> |
| 222 | ·····························</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Port</span><span·class="p">,</span><span·class="w"> | 222 | ·····························</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Port</span><span·class="p">,</span><span·class="w"> |
| 223 | ·····························</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Addr</span><span·class="p"·data-group-id=" | 223 | ·····························</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Addr</span><span·class="p"·data-group-id="9156612203-16">}</span><span·class="p"·data-group-id="9156612203-15">)</span><span·class="p">,</span><span·class="w"> |
| 224 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">listen</span><span·class="p"·data-group-id=" | 224 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">listen</span><span·class="p"·data-group-id="9156612203-17">(</span><span·class="n">LSock</span><span·class="p"·data-group-id="9156612203-17">)</span><span·class="p">,</span><span·class="w"> |
| 225 | ···</span><span·class="p"·data-group-id=" | 225 | ···</span><span·class="p"·data-group-id="9156612203-18">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Sock</span><span·class="p"·data-group-id="9156612203-18">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·201,·SHA:·af01e3cb318e9d3ba3e0bcfa80aaaba69c737131af0d0f48e6860fd4b27c47b1·...·]-19">)</span><span·class="p">,</span><span·class="w"> |
| 226 | ···</span><span·class="p"·data-group-id=" | 226 | ···</span><span·class="p"·data-group-id="9156612203-20">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="9156612203-20">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·197,·SHA:·6eaa2dac6fff2e9eb7821b163b4cda68e22043065622ff293bbb4b069bba669d·...·]-21">)</span><span·class="p">,</span><span·class="w"> |
| 227 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id=" | 227 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="9156612203-22">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="9156612203-22">)</span><span·class="p">,</span><span·class="w"> |
| 228 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 228 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="9156612203-23">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="9156612203-23">)</span><span·class="p">,</span><span·class="w"> |
| 229 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 229 | ···</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="9156612203-24">(</span><span·class="n">LSock</span><span·class="p"·data-group-id="9156612203-24">)</span><span·class="p">.</span></code></pre> |
| 230 | ····</section> | 230 | ····</section> |
| 231 | </div> | 231 | </div> |
| 232 | ··<section·id="summary"·class="details-list"> | 232 | ··<section·id="summary"·class="details-list"> |
| 233 | ····<h1·class="section-heading"> | 233 | ····<h1·class="section-heading"> |
| 234 | ······<a·class="hover-link"·href="#summary"> | 234 | ······<a·class="hover-link"·href="#summary"> |
| Offset 4669, 15 lines modified | Offset 4669, 15 lines modified | ||
| 4669 | with·its·name·and·address.</p></li><li><p><strong><code·class="inline">nread</code></strong>·-·Get·the·number·of·bytes·immediately·available·for·reading | 4669 | with·its·name·and·address.</p></li><li><p><strong><code·class="inline">nread</code></strong>·-·Get·the·number·of·bytes·immediately·available·for·reading |
| 4670 | <em>(since·OTP·26.1)</em>.</p><p>Result;·the·number·of·bytes,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>.</p></li><li><p><strong><code·class="inline">nwrite</code></strong>·-·Get·the·number·of·bytes·in·the·send·queue | 4670 | <em>(since·OTP·26.1)</em>.</p><p>Result;·the·number·of·bytes,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>.</p></li><li><p><strong><code·class="inline">nwrite</code></strong>·-·Get·the·number·of·bytes·in·the·send·queue |
| 4671 | <em>(since·OTP·26.1)</em>.</p><p>Result;·the·number·of·bytes,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>.</p></li><li><p><strong><code·class="inline">nspace</code></strong>·-·Get·the·free·space·in·the·send·queue | 4671 | <em>(since·OTP·26.1)</em>.</p><p>Result;·the·number·of·bytes,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>.</p></li><li><p><strong><code·class="inline">nspace</code></strong>·-·Get·the·free·space·in·the·send·queue |
| 4672 | <em>(since·OTP·26.1)</em>.</p><p>Result;·the·number·of·bytes,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>.</p></li><li><p><strong><code·class="inline">atmark</code></strong>·-·Test·if·there·is·OOB·(out-of-bound)·data·waiting·to·be·read | 4672 | <em>(since·OTP·26.1)</em>.</p><p>Result;·the·number·of·bytes,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>.</p></li><li><p><strong><code·class="inline">atmark</code></strong>·-·Test·if·there·is·OOB·(out-of-bound)·data·waiting·to·be·read |
| 4673 | <em>(since·OTP·26.1)</em>.</p><p>Result;·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0"><code·class="inline">boolean/0</code></a>.</p></li><li><p><strong><code·class="inline">tcp_info</code></strong>·-·Get·miscellaneous·TCP·related·information·for·a | 4673 | <em>(since·OTP·26.1)</em>.</p><p>Result;·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0"><code·class="inline">boolean/0</code></a>.</p></li><li><p><strong><code·class="inline">tcp_info</code></strong>·-·Get·miscellaneous·TCP·related·information·for·a |
| 4674 | <em>connected</em>·socket·<em>(since·OTP·26.1)</em>.</p><p>Result;·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:map/0"><code·class="inline">map/0</code></a>·with·information·items·as·key-value·pairs.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Not·all·requests·are·supported·by·all·platforms. | 4674 | <em>connected</em>·socket·<em>(since·OTP·26.1)</em>.</p><p>Result;·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:map/0"><code·class="inline">map/0</code></a>·with·information·items·as·key-value·pairs.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Not·all·requests·are·supported·by·all·platforms. |
| 4675 | To·see·if·a·ioctl·request·is·supported·on·the·current·platform:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="n">Request</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">nread</span><span·class="p">,</span><span·class="w"> | 4675 | To·see·if·a·ioctl·request·is·supported·on·the·current·platform:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="n">Request</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">nread</span><span·class="p">,</span><span·class="w"> |
| 4676 | ······</span><span·class="ss">true</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">is_supported</span><span·class="p"·data-group-id=" | 4676 | ······</span><span·class="ss">true</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">is_supported</span><span·class="p"·data-group-id="7130686080-1">(</span><span·class="ss">ioctl_requests</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Request</span><span·class="p"·data-group-id="7130686080-1">)</span><span·class="p">,</span><span·class="w"> |
| 4677 | ······</span><span·class="p">:</span></code></pre></section> | 4677 | ······</span><span·class="p">:</span></code></pre></section> |
| 4678 | ··</section> | 4678 | ··</section> |
| 4679 | </section> | 4679 | </section> |
| 4680 | <section·class="detail"·id="ioctl/3"> | 4680 | <section·class="detail"·id="ioctl/3"> |
| 4681 | ··<div·class="detail-header"> | 4681 | ··<div·class="detail-header"> |
| 4682 | ····<a·href="#ioctl/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 4682 | ····<a·href="#ioctl/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 4827, 15 lines modified | Offset 4827, 15 lines modified | ||
| 4827 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·is_supported(Key1·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>().</pre> | 4827 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·is_supported(Key1·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>().</pre> |
| 4828 | ······</div> | 4828 | ······</div> |
| 4829 | <p>Check·if·a·socket·feature·is·supported.</p><p>Returns·<code·class="inline">true</code>·if·<a·href="#supports/0"><code·class="inline">supports/0</code></a>·has·a·<code·class="inline">{Key1,·true}</code>·tuple | 4829 | <p>Check·if·a·socket·feature·is·supported.</p><p>Returns·<code·class="inline">true</code>·if·<a·href="#supports/0"><code·class="inline">supports/0</code></a>·has·a·<code·class="inline">{Key1,·true}</code>·tuple |
| 4830 | or·a·<code·class="inline">{Key1,·list()}</code>·tuple·in·its·returned·list, | 4830 | or·a·<code·class="inline">{Key1,·list()}</code>·tuple·in·its·returned·list, |
| 4831 | otherwise·<code·class="inline">false</code>·(also·for·unknown·keys).</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">true</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">is_supported</span><span·class="p"·data-group-id=" | 4831 | otherwise·<code·class="inline">false</code>·(also·for·unknown·keys).</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">true</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">is_supported</span><span·class="p"·data-group-id="6722775867-1">(</span><span·class="ss">local</span><span·class="p"·data-group-id="6722775867-1">)</span><span·class="p">,</span></code></pre> |
| 4832 | ··</section> | 4832 | ··</section> |
| 4833 | </section> | 4833 | </section> |
| 4834 | <section·class="detail"·id="is_supported/2"> | 4834 | <section·class="detail"·id="is_supported/2"> |
| 4835 | ··<div·class="detail-header"> | 4835 | ··<div·class="detail-header"> |
| 4836 | ····<a·href="#is_supported/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 4836 | ····<a·href="#is_supported/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 4837 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 4837 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 4856, 15 lines modified | Offset 4856, 15 lines modified | ||
| 4856 | ······<div·class="specs"> | 4856 | ······<div·class="specs"> |
| 4857 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·is_supported(Key1·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·Key2·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>().</pre> | 4857 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·is_supported(Key1·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·Key2·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>().</pre> |
| 4858 | ······</div> | 4858 | ······</div> |
| 4859 | <p>Check·if·a·socket·feature·is·supported.</p><p>Returns·<code·class="inline">true</code>·if·<a·href="#supports/1"><code·class="inline">supports(Key1)</code></a>·has·a·<code·class="inline">{Key2,·true}</code>·tuple | 4859 | <p>Check·if·a·socket·feature·is·supported.</p><p>Returns·<code·class="inline">true</code>·if·<a·href="#supports/1"><code·class="inline">supports(Key1)</code></a>·has·a·<code·class="inline">{Key2,·true}</code>·tuple |
| 4860 | in·its·returned·list,·otherwise·<code·class="inline">false</code>·(also·for·unknown·keys).</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">true</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">is_supported</span><span·class="p"·data-group-id=" | 4860 | in·its·returned·list,·otherwise·<code·class="inline">false</code>·(also·for·unknown·keys).</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">true</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">is_supported</span><span·class="p"·data-group-id="0555093469-1">(</span><span·class="ss">msg_flags</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">errqueue</span><span·class="p"·data-group-id="0555093469-1">)</span><span·class="p">,</span></code></pre> |
| 4861 | ··</section> | 4861 | ··</section> |
| 4862 | </section> | 4862 | </section> |
| 4863 | <section·class="detail"·id="listen/1"> | 4863 | <section·class="detail"·id="listen/1"> |
| 4864 | ··<div·class="detail-header"> | 4864 | ··<div·class="detail-header"> |
| 4865 | ····<a·href="#listen/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 4865 | ····<a·href="#listen/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 4866 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 4866 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 4947, 15 lines modified | Offset 4947, 15 lines modified | ||
| 4947 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·monitor(Socket·::·<a·href="#t:socket/0">socket</a>())·->·MonitorRef·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0">reference</a>().</pre> | 4947 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·monitor(Socket·::·<a·href="#t:socket/0">socket</a>())·->·MonitorRef·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:reference/0">reference</a>().</pre> |
| 4948 | ······</div> | 4948 | ······</div> |
| 4949 | <p>Start·a·socket·monitor.</p><p>If·the·<code·class="inline">Socket</code>·doesn't·exist·or·when·later·the·monitor·is·triggered, | 4949 | <p>Start·a·socket·monitor.</p><p>If·the·<code·class="inline">Socket</code>·doesn't·exist·or·when·later·the·monitor·is·triggered, |
| 4950 | a·<code·class="inline">'DOWN'</code>·message·is·sent·to·the·process·that·called·<a·href="#monitor/1"><code·class="inline">monitor/1</code></a> | 4950 | a·<code·class="inline">'DOWN'</code>·message·is·sent·to·the·process·that·called·<a·href="#monitor/1"><code·class="inline">monitor/1</code></a> |
| 4951 | with·the·following·pattern:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» ····</span><span·class="p"·data-group-id=" | 4951 | with·the·following·pattern:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» ····</span><span·class="p"·data-group-id="5220207895-1">{</span><span·class="ss">'DOWN'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MonitorRef</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">socket</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·156,·SHA:·a5dfbf6ad1a1a67b9ac4233380d9a1dd8e42350954d57b8e95d153f3fb4d6ce2·...·]-1">}</span></code></pre><p><code·class="inline">Info</code>·is·the·termination·reason·of·the·socket·or·<code·class="inline">nosock</code>·if |
| 4952 | <code·class="inline">Socket</code>·did·not·exist·when·the·monitor·was·started.</p><p>Making·several·calls·to·<a·href="#monitor/1"><code·class="inline">socket:monitor/1</code></a>·for·the·same·<code·class="inline">Socket</code>·is·not·an | 4952 | <code·class="inline">Socket</code>·did·not·exist·when·the·monitor·was·started.</p><p>Making·several·calls·to·<a·href="#monitor/1"><code·class="inline">socket:monitor/1</code></a>·for·the·same·<code·class="inline">Socket</code>·is·not·an |
| 4953 | error;·each·call·creates·an·independent·monitor·instance.</p> | 4953 | error;·each·call·creates·an·independent·monitor·instance.</p> |
| 4954 | ··</section> | 4954 | ··</section> |
| 4955 | </section> | 4955 | </section> |
| 4956 | <section·class="detail"·id="number_of/0"> | 4956 | <section·class="detail"·id="number_of/0"> |
| 4957 | ··<div·class="detail-header"> | 4957 | ··<div·class="detail-header"> |
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| 7057 | ······<p·class="built-using"> | 7057 | ······<p·class="built-using"> |
| 7058 | ········Built·using | 7058 | ········Built·using |
| 7059 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 7059 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 7060 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 7060 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 7061 | ······</p> | 7061 | ······</p> |
| 7062 | <p>Copyright·©·1996-202 | 7062 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 7063 | ····</footer> | 7063 | ····</footer> |
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| 182 | effects·<em>that</em>·specific·socket).</p><h2·id="example"·class="section-heading"> | 182 | effects·<em>that</em>·specific·socket).</p><h2·id="example"·class="section-heading"> |
| 183 | ··<a·href="#example"·class="hover-link"> | 183 | ··<a·href="#example"·class="hover-link"> |
| 184 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 184 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 185 | ··</a> | 185 | ··</a> |
| 186 | ··<span·class="text">Example</span> | 186 | ··<span·class="text">Example</span> |
| 187 | </h2> | 187 | </h2> |
| 188 | <p>This·example·is·intended·to·show·how·to·create·a·simple·(echo)·server | 188 | <p>This·example·is·intended·to·show·how·to·create·a·simple·(echo)·server |
| 189 | (and·client).</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 189 | (and·client).</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="3148588058-1">(</span><span·class="ss">example</span><span·class="p"·data-group-id="3148588058-1">)</span><span·class="p">.</span><span·class="w"> |
| 190 | </span><span·class="w"> | 190 | </span><span·class="w"> |
| 191 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 191 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="3148588058-2">(</span><span·class="p"·data-group-id="3148588058-3">[</span><span·class="ss">client</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">client</span><span·class="p">/</span>[·...·truncated·by·diffoscope;·len:·119,·SHA:·177e6c7eea7e75b4a73896a07192df2e08cf372d05ddee1cc5fa4aa6efac2a64·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 192 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 192 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="3148588058-4">(</span><span·class="p"·data-group-id="3148588058-5">[</span><span·class="ss">server</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">server</span><span·class="p">/</span>[·...·truncated·by·diffoscope;·len:·246,·SHA:·9d060eec54e467811d57bf11fb81f34a62bc23a46c8257ce35212ac0d842e2b3·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 193 | </span><span·class="c1">%%·======================================================================</span><span·class="w"> | 193 | </span><span·class="c1">%%·======================================================================</span><span·class="w"> |
| 194 | </span><span·class="c1">%%·===·Client·===</span><span·class="w"> | 194 | </span><span·class="c1">%%·===·Client·===</span><span·class="w"> |
| 195 | </span><span·class="nf">client</span><span·class="p"·data-group-id=" | 195 | </span><span·class="nf">client</span><span·class="p"·data-group-id="3148588058-6">(</span><span·class="p"·data-group-id="3148588058-7">#{</span><span·class="ss">family</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">Family</span><span·class="p"·data-group-id="3148588058-7">}</[·...·truncated·by·diffoscope;·len:·229,·SHA:·0476bc780e56ac723c050c12af87ed051744c7d09672ca3f869c781335258f52·...·]-6">)</span><span·class="w"> |
| 196 | ··</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_list</span><span·class="p"·data-group-id=" | 196 | ··</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_list</span><span·class="p"·data-group-id="3148588058-8">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="3148588058-8">)</span><span·class="w">·</span><span·class="ow">orelse</span><span·class="w">·</span><span·class="nf">is_binary</span><span·class="p"·data-group-id="3148588058-9"[·...·truncated·by·diffoscope;·len:·76,·SHA:·802ab922f74e275798fadad47293e09815b1d7c1f583483106e945599f927fdd·...·]-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 197 | ····</span><span·class="p"·data-group-id=" | 197 | ····</span><span·class="p"·data-group-id="3148588058-10">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Sock</span><span·class="p"·data-group-id="3148588058-10">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·357,·SHA:·bd59cc063caebceedf769f80d63b137dbb10cd4581e96aaf3ae62a9c379267b8·...·]-11">)</span><span·class="p">,</span><span·class="w"> |
| 198 | ····</span><span·class="ss">ok</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">maybe_bind</span><span·class="p"·data-group-id=" | 198 | ····</span><span·class="ss">ok</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">maybe_bind</span><span·class="p"·data-group-id="3148588058-12">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Family</span><span·class="p"·data-group-id="3148588058-12">)</span><span·class="p">,</span><span·class="w"> |
| 199 | ····</span><span·class="ss">ok</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="ss">ok</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id="3148588058-13">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ServerSockAddr</span><span·class="p"·data-group-id="3148588058-13">)</span><span·class="p">,</span><span·class="w"> |
| 200 | ····</span><span·class="nf">client_exchange</span><span·class="p"·data-group-id=" | 200 | ····</span><span·class="nf">client_exchange</span><span·class="p"·data-group-id="3148588058-14">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="3148588058-14">)</span><span·class="p">;</span><span·class="w"> |
| 201 | </span><span·class="nf">client</span><span·class="p"·data-group-id=" | 201 | </span><span·class="nf">client</span><span·class="p"·data-group-id="3148588058-15">(</span><span·class="n">ServerPort</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="3148588058-15">)</span><span·class="w"> |
| 202 | ··</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id=" | 202 | ··</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id="3148588058-16">(</span><span·class="n">ServerPort</span><span·class="p"·data-group-id="3148588058-16">)</span><span·class="w">·</span><span·class="nf">andalso</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-17">(</span><span·class="[·...·truncated·by·diffoscope;·len:·161,·SHA:·d9a47803b6ba31c8e70abbdf61ead0c07d44a88c5873e3cf9a5e98f5058b19ce·...·]-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 203 | ····</span><span·class="n">Family</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">inet</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Default</span><span·class="w"> | 203 | ····</span><span·class="n">Family</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">inet</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Default</span><span·class="w"> |
| 204 | ····</span><span·class="n">Addr</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">get_local_addr</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="n">Addr</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">get_local_addr</span><span·class="p"·data-group-id="3148588058-18">(</span><span·class="n">Family</span><span·class="p"·data-group-id="3148588058-18">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Pick·an·address</span><span·class="w"> |
| 205 | ····</span><span·class="n">SockAddr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 205 | ····</span><span·class="n">SockAddr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-19">#{</span><span·class="ss">family</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Family</span><span·class="p">,</span><span·class="w"> |
| 206 | » » ·</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Addr</span><span·class="p">,</span><span·class="w"> | 206 | » » ·</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Addr</span><span·class="p">,</span><span·class="w"> |
| 207 | » » ·</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">ServerPort</span><span·class="p"·data-group-id=" | 207 | » » ·</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">ServerPort</span><span·class="p"·data-group-id="3148588058-19">}</span><span·class="p">,</span><span·class="w"> |
| 208 | ····</span><span·class="nf">client</span><span·class="p"·data-group-id=" | 208 | ····</span><span·class="nf">client</span><span·class="p"·data-group-id="3148588058-20">(</span><span·class="n">SockAddr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="3148588058-20">)</span><span·class="p">.</span><span·class="w"> |
| 209 | </span><span·class="nf">client</span><span·class="p"·data-group-id="9421943237-21">(</span><span·class="n">ServerPort</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ServerAddr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="9421943237-21">)</span><span·class="w"> | ||
| 210 | 209 | </span><span·class="nf">client</span><span·class="p"·data-group-id="3148588058-21">(</span><span·class="n">ServerPort</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ServerAddr</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·70,·SHA:·00bc078242aaabdaaed4d684d7aedb2d3bc5b56a0de68d9cf35e089ca3a5bd0b·...·]</span><span·class="w"> | |
| 210 | ··</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id="3148588058-22">(</span><span·class="n">ServerPort</span><span·class="p"·data-group-id="3148588058-22">)</span><span·class="w">·</span><span·class="nf">andalso</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-23">(</span><span·class="n">ServerPort</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="3148588058-23">)</span><span·class="w">·</span><span·class="ow">andalso</span><span·class="w"> | ||
| 211 | ·······</span><span·class="nf">is_tuple</span><span·class="p"·data-group-id=" | 211 | ·······</span><span·class="nf">is_tuple</span><span·class="p"·data-group-id="3148588058-24">(</span><span·class="n">ServerAddr</span><span·class="p"·data-group-id="3148588058-24">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 212 | ····</span><span·class="n">Family</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">which_family</span><span·class="p"·data-group-id=" | 212 | ····</span><span·class="n">Family</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">which_family</span><span·class="p"·data-group-id="3148588058-25">(</span><span·class="n">ServerAddr</span><span·class="p"·data-group-id="3148588058-25">)</span><span·class="p">,</span><span·class="w"> |
| 213 | ····</span><span·class="n">SockAddr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 213 | ····</span><span·class="n">SockAddr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-26">#{</span><span·class="ss">family</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Family</span><span·class="p">,</span><span·class="w"> |
| 214 | » » ·</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">ServerAddr</span><span·class="p">,</span><span·class="w"> | 214 | » » ·</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">ServerAddr</span><span·class="p">,</span><span·class="w"> |
| 215 | » » ·</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">ServerPort</span><span·class="p"·data-group-id=" | 215 | » » ·</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">ServerPort</span><span·class="p"·data-group-id="3148588058-26">}</span><span·class="p">,</span><span·class="w"> |
| 216 | ····</span><span·class="nf">client</span><span·class="p"·data-group-id=" | 216 | ····</span><span·class="nf">client</span><span·class="p"·data-group-id="3148588058-27">(</span><span·class="n">SockAddr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="3148588058-27">)</span><span·class="p">.</span><span·class="w"> |
| 217 | </span><span·class="c1">%%·Send·the·message·to·the·(echo)·server·and·wait·for·the·echo·to·come·back.</span><span·class="w"> | 217 | </span><span·class="c1">%%·Send·the·message·to·the·(echo)·server·and·wait·for·the·echo·to·come·back.</span><span·class="w"> |
| 218 | </span><span·class="nf">client_exchange</span><span·class="p"·data-group-id=" | 218 | </span><span·class="nf">client_exchange</span><span·class="p"·data-group-id="3148588058-28">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="3148588058-28">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·149,·SHA:·50b13e77bc73312dcb5809d3708d793d68e3a0d5c12faf1f7329fbaefe312d3c·...·]-29">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 219 | ····</span><span·class="nf">client_exchange</span><span·class="p"·data-group-id=" | 219 | ····</span><span·class="nf">client_exchange</span><span·class="p"·data-group-id="3148588058-30">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">list_to_binary</span><span·class="p"·data-group-id="3148588058-31">(</span><span·class="n">Msg</span><span·class="p"·data-group-id="314858805[·...·truncated·by·diffoscope;·len:·55,·SHA:·d6a815df9e1fee4e38f9b2d4eaa4f1acc71c678ee4423a02a32b918521205444·...·]-30">)</span><span·class="p">;</span><span·class="w"> |
| 220 | </span><span·class="nf">client_exchange</span><span·class="p"·data-group-id=" | 220 | </span><span·class="nf">client_exchange</span><span·class="p"·data-group-id="3148588058-32">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="3148588058-32">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·151,·SHA:·cf1e24d2ee5fd601e11a9d1ce2a9f0e4f4d2854e4ec582c1d44f23f938f50d01·...·]-33">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 221 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id=" | 221 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="3148588058-34">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">infinity</span><span·class="p"·data-group-id="3148588058-34">)</span><span·class="p">,</span><span·class="w"> |
| 222 | ····</span><span·class="p"·data-group-id=" | 222 | ····</span><span·class="p"·data-group-id="3148588058-35">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="3148588058-35">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·492,·SHA:·2ad817d85136621f260ece00ca4786b06894c4703ccdebfbfd536c0f2c769c58·...·]-36">)</span><span·class="p">,</span><span·class="w"> |
| 223 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 223 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 224 | </span><span·class="c1">%%·======================================================================</span><span·class="w"> | 224 | </span><span·class="c1">%%·======================================================================</span><span·class="w"> |
| 225 | </span><span·class="c1">%%·===·Server·===</span><span·class="w"> | 225 | </span><span·class="c1">%%·===·Server·===</span><span·class="w"> |
| 226 | </span><span·class="nf">server</span><span·class="p"·data-group-id=" | 226 | </span><span·class="nf">server</span><span·class="p"·data-group-id="3148588058-38">(</span><span·class="p"·data-group-id="3148588058-38">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 227 | ····</span><span·class="c1">%%·Make·system·choose·port·(and·address)</span><span·class="w"> | 227 | ····</span><span·class="c1">%%·Make·system·choose·port·(and·address)</span><span·class="w"> |
| 228 | ····</span><span·class="nf">server</span><span·class="p"·data-group-id=" | 228 | ····</span><span·class="nf">server</span><span·class="p"·data-group-id="3148588058-39">(</span><span·class="mi">0</span><span·class="p"·data-group-id="3148588058-39">)</span><span·class="p">.</span><span·class="w"> |
| 229 | </span><span·class="c1">%%·This·function·return·the·port·and·address·that·it·actually·uses,</span><span·class="w"> | 229 | </span><span·class="c1">%%·This·function·return·the·port·and·address·that·it·actually·uses,</span><span·class="w"> |
| 230 | </span><span·class="c1">%%·in·case·server/0·or·server/1·(with·a·port·number)·was·used·to·start·it.</span><span·class="w"> | 230 | </span><span·class="c1">%%·in·case·server/0·or·server/1·(with·a·port·number)·was·used·to·start·it.</span><span·class="w"> |
| 231 | </span><span·class="nf">server</span><span·class="p"·data-group-id=" | 231 | </span><span·class="nf">server</span><span·class="p"·data-group-id="3148588058-40">(</span><span·class="p"·data-group-id="3148588058-41">#{</span><span·class="ss">family</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">Family</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·501,·SHA:·73272726ec4a459135f6834dbfe78d0cab58357a3110a904e5ef321918b77917·...·]-40">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ····</span><span·class="p"·data-group-id=" | 232 | ····</span><span·class="p"·data-group-id="3148588058-42">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Sock</span><span·class="p"·data-group-id="3148588058-42">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·353,·SHA:·c2dce4bae8e76176a1b66fd3a04e568d5b5913c2171261107261109b3e615e03·...·]-43">)</span><span·class="p">,</span><span·class="w"> |
| 233 | ····</span><span·class="ss">ok</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">bind</span><span·class="p"·data-group-id=" | 233 | ····</span><span·class="ss">ok</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">bind</span><span·class="p"·data-group-id="3148588058-44">(</span><span·class="n">Sock</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SockAddr</span><span·class="p"·data-group-id="3148588058-44">)</span><span·class="p">,</span><span·class="w"> |
| 234 | ····</span><span·class="ss">ok</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">listen</span><span·class="p"·data-group-id=" | 234 | ····</span><span·class="ss">ok</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">listen</span><span·class="p"·data-group-id="3148588058-45">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="3148588058-45">)</span><span·class="p">,</span><span·class="w"> |
| 235 | ····</span><span·class="p"·data-group-id=" | 235 | ····</span><span·class="p"·data-group-id="3148588058-46">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-47">#{</span><span·class="ss">port</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·412,·SHA:·3d83a44ba61452e7aff117f9cc533ac60c0a24847585b758ef2e71eefff5348a·...·]-48">)</span><span·class="p">,</span><span·class="w"> |
| 236 | ····</span><span·class="n">Acceptor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_acceptor</span><span·class="p"·data-group-id=" | 236 | ····</span><span·class="n">Acceptor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_acceptor</span><span·class="p"·data-group-id="3148588058-49">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="3148588058-49">)</span><span·class="p">,</span><span·class="w"> |
| 237 | ····</span><span·class="p"·data-group-id=" | 237 | ····</span><span·class="p"·data-group-id="3148588058-50">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-51">{</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Addr</span><sp[·...·truncated·by·diffoscope;·len:·171,·SHA:·73ea89e97d404f37fa1229049ef3647c3a20f0d9256420a9581b1d4d53edcac2·...·]-50">}</span><span·class="p">;</span><span·class="w"> |
| 238 | </span><span·class="nf">server</span><span·class="p"·data-group-id=" | 238 | </span><span·class="nf">server</span><span·class="p"·data-group-id="3148588058-52">(</span><span·class="n">Port</span><span·class="p"·data-group-id="3148588058-52">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id="3148588058-5[·...·truncated·by·diffoscope;·len:·79,·SHA:·76cd56c446ca61d7a1f9e525925ec6c4350735246a3d772965c434ccacac25f3·...·]-53">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 239 | ····</span><span·class="n">Family</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">inet</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Default</span><span·class="w"> | 239 | ····</span><span·class="n">Family</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">inet</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Default</span><span·class="w"> |
| 240 | ····</span><span·class="n">Addr</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">get_local_addr</span><span·class="p"·data-group-id=" | 240 | ····</span><span·class="n">Addr</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">get_local_addr</span><span·class="p"·data-group-id="3148588058-54">(</span><span·class="n">Family</span><span·class="p"·data-group-id="3148588058-54">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·Pick·an·address</span><span·class="w"> |
| 241 | ····</span><span·class="n">SockAddr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 241 | ····</span><span·class="n">SockAddr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-55">#{</span><span·class="ss">family</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Family</span><span·class="p">,</span><span·class="w"> |
| 242 | » » ·</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Addr</span><span·class="p">,</span><span·class="w"> | 242 | » » ·</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Addr</span><span·class="p">,</span><span·class="w"> |
| 243 | » » ·</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id=" | 243 | » » ·</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="3148588058-55">}</span><span·class="p">,</span><span·class="w"> |
| 244 | ····</span><span·class="nf">server</span><span·class="p"·data-group-id=" | 244 | ····</span><span·class="nf">server</span><span·class="p"·data-group-id="3148588058-56">(</span><span·class="n">SockAddr</span><span·class="p"·data-group-id="3148588058-56">)</span><span·class="p">.</span><span·class="w"> |
| 245 | </span><span·class="nf">server</span><span·class="p"·data-group-id=" | 245 | </span><span·class="nf">server</span><span·class="p"·data-group-id="3148588058-57">(</span><span·class="n">Port</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Addr</span><span·class="p"·data-group-id="3148588058-57">)</span><span·class="w"> |
| 246 | ··</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id=" | 246 | ··</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id="3148588058-58">(</span><span·class="n">Port</span><span·class="p"·data-group-id="3148588058-58">)</span><span·class="w">·</span><span·class="nf">andalso</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-59">(</span><span·class="n">Por[·...·truncated·by·diffoscope;·len:·150,·SHA:·ce3eec43133a0dc7eb51cbfd83cc5b52829d4cfb68ed5933ca8f980c0cdcc2c4·...·]-59">)</span><span·class="w">·</span><span·class="ow">andalso</span><span·class="w"> |
| 247 | ·······</span><span·class="nf">is_tuple</span><span·class="p"·data-group-id=" | 247 | ·······</span><span·class="nf">is_tuple</span><span·class="p"·data-group-id="3148588058-60">(</span><span·class="n">Addr</span><span·class="p"·data-group-id="3148588058-60">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 248 | ····</span><span·class="n">Family</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">which_family</span><span·class="p"·data-group-id=" | 248 | ····</span><span·class="n">Family</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">which_family</span><span·class="p"·data-group-id="3148588058-61">(</span><span·class="n">Addr</span><span·class="p"·data-group-id="3148588058-61">)</span><span·class="p">,</span><span·class="w"> |
| 249 | ····</span><span·class="n">SockAddr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 249 | ····</span><span·class="n">SockAddr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-62">#{</span><span·class="ss">family</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Family</span><span·class="p">,</span><span·class="w"> |
| 250 | » » ·</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Addr</span><span·class="p">,</span><span·class="w"> | 250 | » » ·</span><span·class="ss">addr</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Addr</span><span·class="p">,</span><span·class="w"> |
| 251 | » » ·</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id=" | 251 | » » ·</span><span·class="ss">port</span><span·class="w">···</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="3148588058-62">}</span><span·class="p">,</span><span·class="w"> |
| 252 | ····</span><span·class="nf">server</span><span·class="p"·data-group-id=" | 252 | ····</span><span·class="nf">server</span><span·class="p"·data-group-id="3148588058-63">(</span><span·class="n">SockAddr</span><span·class="p"·data-group-id="3148588058-63">)</span><span·class="p">.</span><span·class="w"> |
| 253 | </span><span·class="c1">%%·---·Echo·Server·-·Acceptor·---</span><span·class="w"> | 253 | </span><span·class="c1">%%·---·Echo·Server·-·Acceptor·---</span><span·class="w"> |
| 254 | </span><span·class="nf">start_acceptor</span><span·class="p"·data-group-id=" | 254 | </span><span·class="nf">start_acceptor</span><span·class="p"·data-group-id="3148588058-64">(</span><span·class="n">LSock</span><span·class="p"·data-group-id="3148588058-64">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 255 | ····</span><span·class="n">Self</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id=" | 255 | ····</span><span·class="n">Self</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="3148588058-65">(</span><span·class="p"·data-group-id="3148588058-65">)</span><span·class="p">,</span><span·class="w"> |
| 256 | ····</span><span·class="p"·data-group-id=" | 256 | ····</span><span·class="p"·data-group-id="3148588058-66">{</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MRef</span><span·class="p"·data-group-id="3148588058-66">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·635,·SHA:·cd15ae2d877ca643b47f7b917a9fa6554653201a71f45d47e2fe2da9f43dcae4·...·]-67">)</span><span·class="p">,</span><span·class="w"> |
| 257 | ····</span><span·class="k">receive</span><span·class="w"> | 257 | ····</span><span·class="k">receive</span><span·class="w"> |
| 258 | » </span><span·class="p"·data-group-id=" | 258 | » </span><span·class="p"·data-group-id="3148588058-70">{</span><span·class="ss">'DOWN'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MRef</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">process</span><span·class="p">,</span><span·class="w">·[·...·truncated·by·diffoscope;·len:·149,·SHA:·6d3417b8e9f1f85e528715f1223f9f186335634bbc0b9325bf864acf80a7daf4·...·]-70">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 259 | » ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id=" | 259 | » ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="3148588058-71">(</span><span·class="p"·data-group-id="3148588058-72">{</span><span·class="ss">failed_starting_acceptor</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Info</span><span·class="p"·data-group-id="3148588058-72">}</span><s[·...·truncated·by·diffoscope;·len:·39,·SHA:·35e154198981dc4472475da75c8a308c7d56c3f82a84c888c4260143805ca875·...·]-71">)</span><span·class="p">;</span><span·class="w"> |
| 260 | » </span><span·class="p"·data-group-id=" | 260 | » </span><span·class="p"·data-group-id="3148588058-73">{</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">started</span><span·class="p"·data-group-id="3148588058-73">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 261 | » ····</span><span·class="c1">%%·Transfer·ownership</span><span·class="w"> | 261 | » ····</span><span·class="c1">%%·Transfer·ownership</span><span·class="w"> |
| 262 | » ····</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">setopt</span><span·class="p"·data-group-id=" | 262 | » ····</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">setopt</span><span·class="p"·data-group-id="3148588058-74">(</span><span·class="n">LSock</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">otp</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">owner</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·62,·SHA:·f182b8209950120c5f82be7b966951e7149bc5cf6deb646e6bc17160e8d6a72e·...·]-74">)</span><span·class="p">,</span><span·class="w"> |
| 263 | » ····</span><span·class="n">Pid</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 263 | » ····</span><span·class="n">Pid</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-75">{</span><span·class="nf">self</span><span·class="p"·data-group-id="3148588058-76">(</span><span·class="p"·data-group-id="3148588058-76">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">continue</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·24,·SHA:·1f14c4cd15d254ded9000a0f7a7ff76a25a52817c3c5ca2d4ea0ed33aed2c868·...·]-75">}</span><span·class="p">,</span><span·class="w"> |
| 264 | » ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id=" | 264 | » ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">demonitor</span><span·class="p"·data-group-id="3148588058-77">(</span><span·class="n">MRef</span><span·class="p"·data-group-id="3148588058-77">)</span><span·class="p">,</span><span·class="w"> |
| 265 | » ····</span><span·class="n">Pid</span><span·class="w"> | 265 | » ····</span><span·class="n">Pid</span><span·class="w"> |
| 266 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 266 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 267 | ···· | 267 | ···· |
| 268 | </span><span·class="nf">acceptor_init</span><span·class="p"·data-group-id=" | 268 | </span><span·class="nf">acceptor_init</span><span·class="p"·data-group-id="3148588058-78">(</span><span·class="n">Parent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">LSock</span><span·class="p"·data-group-id="3148588058-78">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 269 | ····</span><span·class="n">Parent</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 269 | ····</span><span·class="n">Parent</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="3148588058-79">{</span><span·class="nf">self</span><span·class="p"·data-group-id="3148588058-80">(</span><span·class="p"·data-group-id="3148588058-80">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">started</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·15c4620aa37a7044b76d473f256bd9278e49538745e4846b7e85b8622ca8f8dc·...·]-79">}</span><span·class="p">,</span><span·class="w"> |
| 270 | ····</span><span·class="k">receive</span><span·class="w"> | 270 | ····</span><span·class="k">receive</span><span·class="w"> |
| 271 | » </span><span·class="p"·data-group-id=" | 271 | » </span><span·class="p"·data-group-id="3148588058-81">{</span><span·class="n">Parent</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">continue</span><span·class="p"·data-group-id="3148588058-81">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 272 | » ····</span><span·class="ss">ok</span><span·class="w"> | 272 | » ····</span><span·class="ss">ok</span><span·class="w"> |
| 273 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 273 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 274 | ····</span><span·class="nf">acceptor_loop</span><span·class="p"·data-group-id=" | 274 | ····</span><span·class="nf">acceptor_loop</span><span·class="p"·data-group-id="3148588058-82">(</span><span·class="n">LSock</span><span·class="p"·data-group-id="3148588058-82">)</span><span·class="p">.</span><span·class="w"> |
| 275 | </span><span·class="nf">acceptor_loop</span><span·class="p"·data-group-id=" | 275 | </span><span·class="nf">acceptor_loop</span><span·class="p"·data-group-id="3148588058-83">(</span><span·class="n">LSock</span><span·class="p"·data-group-id="3148588058-83">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 276 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">accept</span><span·class="p"·data-group-id=" | 276 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">socket</span><span·class="p">:</span><span·class="nf">accept</span><span·class="p"·data-group-id="3148588058-84">(</span><span·class="n">LSock</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">infinity</span><span·class="p"·data-group-id="3148588058-84">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 277 | » </span><span·class="p"·data-group-id=" | 277 | » </span><span·class="p"·data-group-id="3148588058-85">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ASock</span><span·class="p"·data-group-id="3148588058-85">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 278 | » ····</span><span·class="nf">start_handler</span><span·class="p"·data-group-id=" | 278 | » ····</span><span·class="nf">start_handler</span><span·class="p"·data-group-id="3148588058-86">(</span><span·class="n">ASock</span><span·class="p"·data-group-id="3148588058-86">)</span><span·class="p">,</span><span·class="w"> |
| 279 | » ····</span><span·class="nf">acceptor_loop</span><span·class="p"·data-group-id=" | 279 | » ····</span><span·class="nf">acceptor_loop</span><span·class="p"·data-group-id="3148588058-87">(</span><span·class="n">LSock</span><span·class="p"·data-group-id="3148588058-87">)</span><span·class="p">;</span><span·class="w"> |
| 280 | » </span><span·class="p"·data-group-id=" | 280 | » </span><span·class="p"·data-group-id="3148588058-88">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="3148588058-88">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 281 | » ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id=" | 281 | » ····</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="3148588058-89">(</span><span·class="p"·data-group-id="3148588058-90">{</span><span·class="ss">accept_failed</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="3148588058-90">}</span><span·class[·...·truncated·by·diffoscope;·len:·30,·SHA:·a29dea3a3e3bc56dbb1c98aad3ae1109559a2e842865e0130cf26066bc314328·...·]-89">)</span><span·class="w"> |
| 282 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 282 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 283 | </span><span·class="c1">%%·---·Echo·Server·-·Handler·---</span><span·class="w"> | 283 | </span><span·class="c1">%%·---·Echo·Server·-·Handler·---</span><span·class="w"> |
| 284 | </span><span·class="nf">start_handler</span><span·class="p"·data-group-id=" | 284 | </span><span·class="nf">start_handler</span><span·class="p"·data-group-id="3148588058-91">(</span><span·class="n">Sock</span><span·class="p"·data-group-id="3148588058-91">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 285 | ····</span><span·class="n">Self</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id=" | 285 | ····</span><span·class="n">Self</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="3148588058-92">(</span><span·class="p"·data-group-id="3148588058-92">)</span><span·class="p">,</span><span·class="w"> |
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| 142 | </h2> | 142 | </h2> |
| 143 | <p>All·tracing·is·done·within·a·trace·session.·Trace·sessions·can·be | 143 | <p>All·tracing·is·done·within·a·trace·session.·Trace·sessions·can·be |
| 144 | <a·href="#session_create/3">created</a>·and·<a·href="#session_destroy/1">destroyed</a> | 144 | <a·href="#session_create/3">created</a>·and·<a·href="#session_destroy/1">destroyed</a> |
| 145 | dynamically.·Each·session·has·its·own·tracer·that·will·receive·all·trace | 145 | dynamically.·Each·session·has·its·own·tracer·that·will·receive·all·trace |
| 146 | messages.·Several·sessions·can·exist·at·the·same·time·without·interfering·with | 146 | messages.·Several·sessions·can·exist·at·the·same·time·without·interfering·with |
| 147 | each·other.·When·a·trace·session·is·destroyed,·all·its·trace·settings·are | 147 | each·other.·When·a·trace·session·is·destroyed,·all·its·trace·settings·are |
| 148 | automatically·cleaned·up.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Create·a·tracer·process·that·will·receive·the·trace·events</span><span·class="gp·unselectable"> | 148 | automatically·cleaned·up.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Create·a·tracer·process·that·will·receive·the·trace·events</span><span·class="gp·unselectable"> |
| 149 | 1>·</span><span·class="n">Tracer</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="7 | 149 | 1>·</span><span·class="n">Tracer</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="7119912375-1">(</span><span·class="k">fun</span><span·class="w">·</span><span·class="n">F</span><span·class="p"·data-group-id="7119912375-2">(</span><span·class="p"·data-group-id="7119912375-2">)</span><span·class="w">·</span><span·class="p">-></span><sp[·...·truncated·by·diffoscope;·len:·944,·SHA:·d74cddd3cdabff01b7dd981824d90e7c902eea7f9da7c5c476538f081446edbc·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 150 | </span><span·class="o"><</span><span·class="mf">0.91</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w"> | 150 | </span><span·class="o"><</span><span·class="mf">0.91</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w"> |
| 151 | </span><span·class="c1">%%·Create·a·session·using·the·Tracer</span><span·class="gp·unselectable"> | 151 | </span><span·class="c1">%%·Create·a·session·using·the·Tracer</span><span·class="gp·unselectable"> |
| 152 | 2>·</span><span·class="n">Session</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">session_create</span><span·class="p"·data-group-id="7 | 152 | 2>·</span><span·class="n">Session</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">session_create</span><span·class="p"·data-group-id="7119912375-6">(</span><span·class="ss">my_session</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tracer</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7119912375-7">[</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·71,·SHA:·2b485f724639074ff24d9178301c934b1390f2c49e9e547ffec96591da5410c0·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 153 | </span><span·class="p"·data-group-id="7 | 153 | </span><span·class="p"·data-group-id="7119912375-8">{</span><span·class="p">#</span><span·class="n">Ref</span><span·class="o"><</span><span·class="mf">0.1543805153</span><span·class="p">.</span><span·class="mf">1548353537.92331</span><span·class="o">></span><span·class="p">,</span><span·c[·...·truncated·by·diffoscope;·len:·247,·SHA:·880254fc31dec2908c55f91924e69d10ebff6995a68f1e2009bc2d045dcadcea·...·]-8">}</span><span·class="w"> |
| 154 | </span><span·class="c1">%%·Setup·call·tracing·on·self()</span><span·class="gp·unselectable"> | 154 | </span><span·class="c1">%%·Setup·call·tracing·on·self()</span><span·class="gp·unselectable"> |
| 155 | 3>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">process</span><span·class="p"·data-group-id="7 | 155 | 3>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">process</span><span·class="p"·data-group-id="7119912375-10">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="7119912375-11">(</span><span·class="p"·data-group-id="7119912375-11">)</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·281,·SHA:·afdd6cc85fb375eab349d071b73c6d443c7765fa116486c794366d3f9cf813c8·...·]-10">)</span><span·class="p">.</span><span·class="w"> |
| 156 | </span><span·class="mi">1</span><span·class="w"> | 156 | </span><span·class="mi">1</span><span·class="w"> |
| 157 | </span><span·class="c1">%%·Setup·call·tracing·on·lists:seq/2</span><span·class="gp·unselectable"> | 157 | </span><span·class="c1">%%·Setup·call·tracing·on·lists:seq/2</span><span·class="gp·unselectable"> |
| 158 | 4>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">function</span><span·class="p"·data-group-id="7 | 158 | 4>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">function</span><span·class="p"·data-group-id="7119912375-13">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7119912375-14">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">seq</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·434,·SHA:·6a34a28d0eebaf793194dc092d49d45772e7b5dcf98246d399f36aeecc0d426b·...·]-13">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="mi">1</span><span·class="w"> | 159 | </span><span·class="mi">1</span><span·class="w"> |
| 160 | </span><span·class="c1">%%·Call·the·traced·function</span><span·class="gp·unselectable"> | 160 | </span><span·class="c1">%%·Call·the·traced·function</span><span·class="gp·unselectable"> |
| 161 | 5>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="7 | 161 | 5>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="7119912375-17">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">10</span><span·class="p"·data-group-id="7119912375-17">)</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="p"·data-group-id="7 | 162 | </span><span·class="p"·data-group-id="7119912375-18">{</span><span·class="nb">trace</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.89</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="ss">call</spa[·...·truncated·by·diffoscope;·len:·462,·SHA:·de7c80f6dd631c6ebdd43ed3743389da8315407125e66bacaec165bef5af594f·...·]-18">}</span><span·class="w">·</span><span·class="c1">%·The·trace·message</span><span·class="w"> |
| 163 | </span><span·class="p"·data-group-id="7 | 163 | </span><span·class="p"·data-group-id="7119912375-21">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">5</span><span·class="[·...·truncated·by·diffoscope;·len:·274,·SHA:·e35bc5e52744ea68bacd1266dc83cee0c3a477c82b8527f902bd26186e59d812·...·]-21">]</span><span·class="w">·</span><span·class="c1">%·The·return·value</span><span·class="w"> |
| 164 | </span><span·class="c1">%%·Cleanup·the·trace·session</span><span·class="gp·unselectable"> | 164 | </span><span·class="c1">%%·Cleanup·the·trace·session</span><span·class="gp·unselectable"> |
| 165 | 6>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">session_destroy</span><span·class="p"·data-group-id="7 | 165 | 6>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">session_destroy</span><span·class="p"·data-group-id="7119912375-22">(</span><span·class="n">Session</span><span·class="p"·data-group-id="7119912375-22">)</span><span·class="p">.</span><span·class="w"> |
| 166 | </span><span·class="ss">ok</span></code></pre><h2·id="module-node-local-tracing-only"·class="section-heading"> | 166 | </span><span·class="ss">ok</span></code></pre><h2·id="module-node-local-tracing-only"·class="section-heading"> |
| 167 | ··<a·href="#module-node-local-tracing-only"·class="hover-link"> | 167 | ··<a·href="#module-node-local-tracing-only"·class="hover-link"> |
| 168 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 168 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 169 | ··</a> | 169 | ··</a> |
| 170 | ··<span·class="text">Node·Local·Tracing·Only</span> | 170 | ··<span·class="text">Node·Local·Tracing·Only</span> |
| 171 | </h2> | 171 | </h2> |
| 172 | <p>The·functions·in·this·module·only·operates·on·the·local·node.·That·is,·both·the | 172 | <p>The·functions·in·this·module·only·operates·on·the·local·node.·That·is,·both·the |
| Offset 1284, 17 lines modified | Offset 1284, 17 lines modified | ||
| 1284 | <code·class="inline">undefined</code>·if·the·sender·is·not·known·(which·can·be·the·case·for·remote | 1284 | <code·class="inline">undefined</code>·if·the·sender·is·not·known·(which·can·be·the·case·for·remote |
| 1285 | senders).·<code·class="inline">Msg</code>·is·the·message·term.·The·pid·of·the·receiving·process·can·be | 1285 | senders).·<code·class="inline">Msg</code>·is·the·message·term.·The·pid·of·the·receiving·process·can·be |
| 1286 | accessed·with·the·guard·function·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>.·An·empty·list·is·the·same·as | 1286 | accessed·with·the·guard·function·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>.·An·empty·list·is·the·same·as |
| 1287 | <code·class="inline">true</code>.·For·more·information,·see·section | 1287 | <code·class="inline">true</code>.·For·more·information,·see·section |
| 1288 | <a·href="../../../../erts-15.2.3/doc/html/match_spec.html">Match·Specifications·in·Erlang</a>·in·the·User's·Guide | 1288 | <a·href="../../../../erts-15.2.3/doc/html/match_spec.html">Match·Specifications·in·Erlang</a>·in·the·User's·Guide |
| 1289 | for·the·ERTS·application.</p></li><li><p><strong><code·class="inline">true</code></strong>·-·Enable·tracing·for·all·received·messages·(to·<code·class="inline">'receive'</code>·traced | 1289 | for·the·ERTS·application.</p></li><li><p><strong><code·class="inline">true</code></strong>·-·Enable·tracing·for·all·received·messages·(to·<code·class="inline">'receive'</code>·traced |
| 1290 | processes).·Any·match·specification·is·removed.·<em>This·is·the·default</em>.</p></li><li><p><strong><code·class="inline">false</code></strong>·-·Disable·tracing·for·all·received·messages.·Any·match | 1290 | processes).·Any·match·specification·is·removed.·<em>This·is·the·default</em>.</p></li><li><p><strong><code·class="inline">false</code></strong>·-·Disable·tracing·for·all·received·messages.·Any·match |
| 1291 | specification·is·removed.</p></li></ul><p>Argument·<code·class="inline">FlagList</code>·must·be·<code·class="inline">[]</code>·for·receive·tracing.</p><p>The·return·value·is·always·<code·class="inline">1</code>.</p><p><em>Examples:</em></p><p>Only·trace·messages·from·a·specific·process·<code·class="inline">Pid</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id="0475732397-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0475732397-2">[</span><span·class="p"·data-group-id="0475732397-3">{</span><span·class="p"·data-group-id="0475732397-4">[</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id="0475732397-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="0475732397-5">[</span><span·class="p"·data-group-id="0475732397-5">]</span><span·class="p">,</span><span·class="p"·data-group-id="0475732397-6">[</span><span·class="p"·data-group-id="0475732397-6">]</span><span·class="p"·data-group-id="0475732397-3">}</span><span·class="p"·data-group-id="0475732397-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0475732397-7">[</span><span·class="p"·data-group-id="0475732397-7">]</span><span·class="p"·data-group-id="0475732397-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1292 | </span><span·class="mi">1</span></code></pre><p>Only·trace·messages·matching·<code·class="inline">{reply,·_}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id="5092857073-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5092857073-2">[</span><span·class="p"·data-group-id="5092857073-3">{</span><span·class="p"·data-group-id="5092857073-4">[</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5092857073-5">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="ss">'_'</span><span·class="p"·data-group-id="5092857073-5">}</span><span·class="p"·data-group-id="5092857073-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="5092857073-6">[</span><span·class="p"·data-group-id="5092857073-6">]</span><span·class="p">,</span><span·class="p"·data-group-id="5092857073-7">[</span><span·class="p"·data-group-id="5092857073-7">]</span><span·class="p"·data-group-id="5092857073-3">}</span><span·class="p"·data-group-id="5092857073-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5092857073-8">[</span><span·class="p"·data-group-id="5092857073-8">]</span><span·class="p"·data-group-id="5092857073-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1293 | 1291 | specification·is·removed.</p></li></ul><p>Argument·<code·class="inline">FlagList</code>·must·be·<code·class="inline">[]</code>·for·receive·tracing.</p><p>The·return·value·is·always·<code·class="inline">1</code>.</p><p><em>Examples:</em></p><p>Only·trace·me[·...·truncated·by·diffoscope;·len:·1310,·SHA:·a88968895bf1cc0df86c9f82819478251308ebcb3a19c8522cb48c376eca7935·...·]-1">)</span><span·class="p">.</span><span·class="w"> | |
| 1292 | </span><span·class="mi">1</span></code></pre><p>Only·trace·messages·matching·<code·class="inline">{reply,·_}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id="3907686825-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3907686825-2">[</span><span·class="p"·data-group-id="3907686825-3">{</span><span·class="p"·data-group-id="3907686825-4">[</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3907686825-5">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="ss">'_'</span><span·class="p"·data-group-id="3907686825-5">}</span><span·class="p"·data-group-id="3907686825-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="3907686825-6">[</span><span·class="p"·data-group-id="3907686825-6">]</span><span·class="p">,</span><span·class="p"·data-group-id="3907686825-7">[</span><span·class="p"·data-group-id="3907686825-7">]</span><span·class="p"·data-group-id="3907686825-3">}</span><span·class="p"·data-group-id="3907686825-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3907686825-8">[</span><span·class="p"·data-group-id="3907686825-8">]</span><span·class="p"·data-group-id="3907686825-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1293 | </span><span·class="mi">1</span></code></pre><p>Only·trace·messages·from·other·nodes:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">recv</span><span·class="p"·data-group-id="6947241585-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6947241585-2">[</span><span·class="p"·data-group-id="6947241585-3">{</span><span·class="p"·data-group-id="6947241585-4">[</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id="6947241585-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="6947241585-5">[</span><span·class="p"·data-group-id="6947241585-6">{</span><span·class="ss">'=/='</span><span·class="p">,</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="p"·data-group-id="6947241585-7">{</span><span·class="nb">node</span><span·class="p"·data-group-id="6947241585-7">}</span><span·class="p"·data-group-id="6947241585-6">}</span><span·class="p"·data-group-id="6947241585-5">]</span><span·class="p">,</span><span·class="p"·data-group-id="6947241585-8">[</span><span·class="p"·data-group-id="6947241585-8">]</span><span·class="p"·data-group-id="6947241585-3">}</span><span·class="p"·data-group-id="6947241585-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6947241585-9">[</span><span·class="p"·data-group-id="6947241585-9">]</span><span·class="p"·data-group-id="6947241585-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1294 | </span><span·class="mi">1</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>A·match·specification·for·<code·class="inline">'receive'</code>·trace·can·use·all·guard·and·body | 1294 | </span><span·class="mi">1</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>A·match·specification·for·<code·class="inline">'receive'</code>·trace·can·use·all·guard·and·body |
| 1295 | functions·except·<code·class="inline">caller</code>,·<code·class="inline">is_seq_trace</code>,·<code·class="inline">get_seq_token</code>,·<code·class="inline">set_seq_token</code>, | 1295 | functions·except·<code·class="inline">caller</code>,·<code·class="inline">is_seq_trace</code>,·<code·class="inline">get_seq_token</code>,·<code·class="inline">set_seq_token</code>, |
| 1296 | <code·class="inline">enable_trace</code>,·<code·class="inline">disable_trace</code>,·<code·class="inline">trace</code>,·<code·class="inline">silent</code>,·and·<code·class="inline">process_dump</code>.</p></section><p>Fails·by·raising·an·error·exception·with·an·error·reason·of:</p><ul><li><p><strong><code·class="inline">badarg</code></strong>·-·If·an·argument·is·invalid.</p></li><li><p><strong><code·class="inline">system_limit</code></strong>·-·If·a·match·specification·passed·as·argument·has·excessive | 1296 | <code·class="inline">enable_trace</code>,·<code·class="inline">disable_trace</code>,·<code·class="inline">trace</code>,·<code·class="inline">silent</code>,·and·<code·class="inline">process_dump</code>.</p></section><p>Fails·by·raising·an·error·exception·with·an·error·reason·of:</p><ul><li><p><strong><code·class="inline">badarg</code></strong>·-·If·an·argument·is·invalid.</p></li><li><p><strong><code·class="inline">system_limit</code></strong>·-·If·a·match·specification·passed·as·argument·has·excessive |
| 1297 | nesting·which·causes·scheduler·stack·exhaustion·for·the·scheduler·that·the | 1297 | nesting·which·causes·scheduler·stack·exhaustion·for·the·scheduler·that·the |
| 1298 | calling·process·is·executing·on. | 1298 | calling·process·is·executing·on. |
| 1299 | <a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html#sched_thread_stack_size">Scheduler·stack·size</a>·can·be·configured | 1299 | <a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html#sched_thread_stack_size">Scheduler·stack·size</a>·can·be·configured |
| 1300 | when·starting·the·runtime·system.</p></li></ul> | 1300 | when·starting·the·runtime·system.</p></li></ul> |
| Offset 1335, 18 lines modified | Offset 1335, 18 lines modified | ||
| 1335 | the·list·<code·class="inline">[Receiver,·Msg]</code>.·<code·class="inline">Receiver</code>·is·the·process·or·port·identity·of·the | 1335 | the·list·<code·class="inline">[Receiver,·Msg]</code>.·<code·class="inline">Receiver</code>·is·the·process·or·port·identity·of·the |
| 1336 | receiver·and·<code·class="inline">Msg</code>·is·the·message·term.·The·pid·of·the·sending·process·can·be | 1336 | receiver·and·<code·class="inline">Msg</code>·is·the·message·term.·The·pid·of·the·sending·process·can·be |
| 1337 | accessed·with·the·guard·function·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>.·An·empty·list·is·the·same·as | 1337 | accessed·with·the·guard·function·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>.·An·empty·list·is·the·same·as |
| 1338 | <code·class="inline">true</code>.·For·more·information,·see·section | 1338 | <code·class="inline">true</code>.·For·more·information,·see·section |
| 1339 | <a·href="../../../../erts-15.2.3/doc/html/match_spec.html">Match·Specifications·in·Erlang</a>·in·the·User's·Guide | 1339 | <a·href="../../../../erts-15.2.3/doc/html/match_spec.html">Match·Specifications·in·Erlang</a>·in·the·User's·Guide |
| 1340 | for·the·ERTS·application.</p></li><li><p><strong><code·class="inline">true</code></strong>·-·Enable·tracing·for·all·sent·messages·(from·<code·class="inline">send</code>·traced | 1340 | for·the·ERTS·application.</p></li><li><p><strong><code·class="inline">true</code></strong>·-·Enable·tracing·for·all·sent·messages·(from·<code·class="inline">send</code>·traced |
| 1341 | processes).·Any·match·specification·is·removed.</p></li><li><p><strong><code·class="inline">false</code></strong>·-·Disable·tracing·for·all·sent·messages.·Any·match·specification | 1341 | processes).·Any·match·specification·is·removed.</p></li><li><p><strong><code·class="inline">false</code></strong>·-·Disable·tracing·for·all·sent·messages.·Any·match·specification |
| 1342 | is·removed.</p></li></ul><p>Argument·<code·class="inline">FlagList</code>·must·be·<code·class="inline">[]</code>.</p><p>The·return·value·is·always·<code·class="inline">1</code>.</p><p><em>Examples:</em></p><p>Only·trace·messages·to·a·specific·process·<code·class="inline">Pid</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="7880435750-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7880435750-2">[</span><span·class="p"·data-group-id="7880435750-3">{</span><span·class="p"·data-group-id="7880435750-4">[</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id="7880435750-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="7880435750-5">[</span><span·class="p"·data-group-id="7880435750-5">]</span><span·class="p">,</span><span·class="p"·data-group-id="7880435750-6">[</span><span·class="p"·data-group-id="7880435750-6">]</span><span·class="p"·data-group-id="7880435750-3">}</span><span·class="p"·data-group-id="7880435750-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7880435750-7">[</span><span·class="p"·data-group-id="7880435750-7">]</span><span·class="p"·data-group-id="7880435750-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1343 | </span><span·class="mi">1</span></code></pre><p>Only·trace·messages·matching·<code·class="inline">{reply,·_}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="9065743408-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9065743408-2">[</span><span·class="p"·data-group-id="9065743408-3">{</span><span·class="p"·data-group-id="9065743408-4">[</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9065743408-5">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="ss">'_'</span><span·class="p"·data-group-id="9065743408-5">}</span><span·class="p"·data-group-id="9065743408-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="9065743408-6">[</span><span·class="p"·data-group-id="9065743408-6">]</span><span·class="p">,</span><span·class="p"·data-group-id="9065743408-7">[</span><span·class="p"·data-group-id="9065743408-7">]</span><span·class="p"·data-group-id="9065743408-3">}</span><span·class="p"·data-group-id="9065743408-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9065743408-8">[</span><span·class="p"·data-group-id="9065743408-8">]</span><span·class="p"·data-group-id="9065743408-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1344 | </span><span·class="mi">1</span></code></pre><p>Only·trace·messages·sent·to·the·sender·itself:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="1411201607-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1411201607-2">[</span><span·class="p"·data-group-id="1411201607-3">{</span><span·class="p"·data-group-id="1411201607-4">[</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id="1411201607-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="1411201607-5">[</span><span·class="p"·data-group-id="1411201607-6">{</span><span·class="ss">'=:='</span><span·class="p">,</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="p"·data-group-id="1411201607-7">{</span><span·class="ss">self</span><span·class="p"·data-group-id="1411201607-7">}</span><span·class="p"·data-group-id="1411201607-6">}</span><span·class="p"·data-group-id="1411201607-5">]</span><span·class="p">,</span><span·class="p"·data-group-id="1411201607-8">[</span><span·class="p"·data-group-id="1411201607-8">]</span><span·class="p"·data-group-id="1411201607-3">}</span><span·class="p"·data-group-id="1411201607-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1411201607-9">[</span><span·class="p"·data-group-id="1411201607-9">]</span><span·class="p"·data-group-id="1411201607-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1345 | 1342 | is·removed.</p></li></ul><p>Argument·<code·class="inline">FlagList</code>·must·be·<code·class="inline">[]</code>.</p><p>The·return·value·is·always·<code·class="inline">1</code>.</p><p><em>Examples:</em></p><p>Only·trace·messages·to·a·specific·process·<code[·...·truncated·by·diffoscope;·len:·1214,·SHA:·da4024eb32d8559eea94e21cb01bac5e5594458bfc89051101fe3a23b307ac45·...·]9-1">)</span><span·class="p">.</span><span·class="w"> | |
| 1343 | </span><span·class="mi">1</span></code></pre><p>Only·trace·messages·matching·<code·class="inline">{reply,·_}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="6259716528-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6259716528-2">[</span><span·class="p"·data-group-id="6259716528-3">{</span><span·class="p"·data-group-id="6259716528-4">[</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6259716528-5">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="ss">'_'</span><span·class="p"·data-group-id="6259716528-5">}</span><span·class="p"·data-group-id="6259716528-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="6259716528-6">[</span><span·class="p"·data-group-id="6259716528-6">]</span><span·class="p">,</span><span·class="p"·data-group-id="6259716528-7">[</span><span·class="p"·data-group-id="6259716528-7">]</span><span·class="p"·data-group-id="6259716528-3">}</span><span·class="p"·data-group-id="6259716528-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6259716528-8">[</span><span·class="p"·data-group-id="6259716528-8">]</span><span·class="p"·data-group-id="6259716528-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1344 | </span><span·class="mi">1</span></code></pre><p>Only·trace·messages·sent·to·the·sender·itself:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="3942301113-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3942301113-2">[</span><span·class="p"·data-group-id="3942301113-3">{</span><span·class="p"·data-group-id="3942301113-4">[</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id="3942301113-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="3942301113-5">[</span><span·class="p"·data-group-id="3942301113-6">{</span><span·class="ss">'=:='</span><span·class="p">,</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="p"·data-group-id="3942301113-7">{</span><span·class="ss">self</span><span·class="p"·data-group-id="3942301113-7">}</span><span·class="p"·data-group-id="3942301113-6">}</span><span·class="p"·data-group-id="3942301113-5">]</span><span·class="p">,</span><span·class="p"·data-group-id="3942301113-8">[</span><span·class="p"·data-group-id="3942301113-8">]</span><span·class="p"·data-group-id="3942301113-3">}</span><span·class="p"·data-group-id="3942301113-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3942301113-9">[</span><span·class="p"·data-group-id="3942301113-9">]</span><span·class="p"·data-group-id="3942301113-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1345 | </span><span·class="mi">1</span></code></pre><p>Only·trace·messages·sent·to·other·nodes:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">trace</span><span·class="p">:</span><span·class="nf">send</span><span·class="p"·data-group-id="6874719187-1">(</span><span·class="n">Session</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6874719187-2">[</span><span·class="p"·data-group-id="6874719187-3">{</span><span·class="p"·data-group-id="6874719187-4">[</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'_'</span><span·class="p"·data-group-id="6874719187-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="6874719187-5">[</span><span·class="p"·data-group-id="6874719187-6">{</span><span·class="ss">'=/='</span><span·class="p">,</span><span·class="p"·data-group-id="6874719187-7">{</span><span·class="nb">node</span><span·class="p">,</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="6874719187-7">}</span><span·class="p">,</span><span·class="p"·data-group-id="6874719187-8">{</span><span·class="nb">node</span><span·class="p"·data-group-id="6874719187-8">}</span><span·class="p"·data-group-id="6874719187-6">}</span><span·class="p"·data-group-id="6874719187-5">]</span><span·class="p">,</span><span·class="p"·data-group-id="6874719187-9">[</span><span·class="p"·data-group-id="6874719187-9">]</span><span·class="p"·data-group-id="6874719187-3">}</span><span·class="p"·data-group-id="6874719187-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6874719187-10">[</span><span·class="p"·data-group-id="6874719187-10">]</span><span·class="p"·data-group-id="6874719187-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1346 | </span><span·class="mi">1</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>A·match·specification·for·<code·class="inline">send</code>·trace·can·use·all·guard·and·body·functions | 1346 | </span><span·class="mi">1</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>A·match·specification·for·<code·class="inline">send</code>·trace·can·use·all·guard·and·body·functions |
| 1347 | except·<code·class="inline">caller</code>.</p></section><p>Fails·by·raising·an·error·exception·with·an·error·reason·of:</p><ul><li><p><strong><code·class="inline">badarg</code></strong>·-·If·an·argument·is·invalid.</p></li><li><p><strong><code·class="inline">system_limit</code></strong>·-·If·a·match·specification·passed·as·argument·has·excessive | 1347 | except·<code·class="inline">caller</code>.</p></section><p>Fails·by·raising·an·error·exception·with·an·error·reason·of:</p><ul><li><p><strong><code·class="inline">badarg</code></strong>·-·If·an·argument·is·invalid.</p></li><li><p><strong><code·class="inline">system_limit</code></strong>·-·If·a·match·specification·passed·as·argument·has·excessive |
| 1348 | nesting·which·causes·scheduler·stack·exhaustion·for·the·scheduler·that·the | 1348 | nesting·which·causes·scheduler·stack·exhaustion·for·the·scheduler·that·the |
| 1349 | calling·process·is·executing·on. | 1349 | calling·process·is·executing·on. |
| 1350 | <a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html#sched_thread_stack_size">Scheduler·stack·size</a>·can·be·configured | 1350 | <a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html#sched_thread_stack_size">Scheduler·stack·size</a>·can·be·configured |
| 1351 | when·starting·the·runtime·system.</p></li></ul> | 1351 | when·starting·the·runtime·system.</p></li></ul> |
| 1352 | ··</section> | 1352 | ··</section> |
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| 1478 | ······<p·class="built-using"> | 1478 | ······<p·class="built-using"> |
| 1479 | ········Built·using | 1479 | ········Built·using |
| 1480 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1480 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1481 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1481 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1482 | ······</p> | 1482 | ······</p> |
| 1483 | <p>Copyright·©·1996-202 | 1483 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1484 | ····</footer> | 1484 | ····</footer> |
| 1485 | ··</div> | 1485 | ··</div> |
| 1486 | </main> | 1486 | </main> |
| 1487 | </div> | 1487 | </div> |
| 1488 | <script> | 1488 | <script> |
| 1489 | ··function·mermaidLoaded()·{ | 1489 | ··function·mermaidLoaded()·{ |
| 1490 | ····mermaid.initialize({ | 1490 | ····mermaid.initialize({ |
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| 530 | ······<p·class="built-using"> | 530 | ······<p·class="built-using"> |
| 531 | ········Built·using | 531 | ········Built·using |
| 532 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 532 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 533 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 533 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 534 | ······</p> | 534 | ······</p> |
| 535 | <p>Copyright·©·1996-202 | 535 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 536 | ····</footer> | 536 | ····</footer> |
| 537 | ··</div> | 537 | ··</div> |
| 538 | </main> | 538 | </main> |
| 539 | </div> | 539 | </div> |
| 540 | <script> | 540 | <script> |
| 541 | ··function·mermaidLoaded()·{ | 541 | ··function·mermaidLoaded()·{ |
| 542 | ····mermaid.initialize({ | 542 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 298, 15 lines modified | Offset 298, 15 lines modified | ||
| 298 | ······<p·class="built-using"> | 298 | ······<p·class="built-using"> |
| 299 | ········Built·using | 299 | ········Built·using |
| 300 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 300 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 301 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 301 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 302 | ······</p> | 302 | ······</p> |
| 303 | <p>Copyright·©·1996-202 | 303 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 304 | ····</footer> | 304 | ····</footer> |
| 305 | ··</div> | 305 | ··</div> |
| 306 | </main> | 306 | </main> |
| 307 | </div> | 307 | </div> |
| 308 | <script> | 308 | <script> |
| 309 | ··function·mermaidLoaded()·{ | 309 | ··function·mermaidLoaded()·{ |
| 310 | ····mermaid.initialize({ | 310 | ····mermaid.initialize({ |
| Offset 3072, 15 lines modified | Offset 3072, 15 lines modified | ||
| 3072 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·print_version_info(Versions)·->·<a·href="#t:void/0">void</a>()·when·Versions·::·[VersionInfo],·VersionInfo·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 3072 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·print_version_info(Versions)·->·<a·href="#t:void/0">void</a>()·when·Versions·::·[VersionInfo],·VersionInfo·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 3073 | ······</div> | 3073 | ······</div> |
| 3074 | <p>Utility·function·to·produce·a·formated·printout·of·the·versions·info·generated | 3074 | <p>Utility·function·to·produce·a·formated·printout·of·the·versions·info·generated |
| 3075 | by·the·<code·class="inline">versions1</code>·and·<code·class="inline">versions2</code>·functions.</p><p>The·function·print_version_info/0·uses·the·result·of·function·version1/0·as | 3075 | by·the·<code·class="inline">versions1</code>·and·<code·class="inline">versions2</code>·functions.</p><p>The·function·print_version_info/0·uses·the·result·of·function·version1/0·as |
| 3076 | <code·class="inline">VersionInfo</code>.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">···········</span><span·class="p"·data-group-id=" | 3076 | <code·class="inline">VersionInfo</code>.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">···········</span><span·class="p"·data-group-id="0690069333-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">V</span><span·class="p"·data-group-id="0690069333-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·441,·SHA:·f34fd40e524f7e7500c0d846b16518dd2966d9acb8325edc389ba26e31a3dce6·...·]-3">)</span><span·class="p">.</span></code></pre> |
| 3077 | ··</section> | 3077 | ··</section> |
| 3078 | </section> | 3078 | </section> |
| 3079 | <section·class="detail"·id="process_received_message/4"> | 3079 | <section·class="detail"·id="process_received_message/4"> |
| 3080 | ··<div·class="detail-header"> | 3080 | ··<div·class="detail-header"> |
| 3081 | ····<a·href="#process_received_message/4"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 3081 | ····<a·href="#process_received_message/4"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 3082 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 3082 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 3930, 15 lines modified | Offset 3930, 15 lines modified | ||
| 3930 | ······<p·class="built-using"> | 3930 | ······<p·class="built-using"> |
| 3931 | ········Built·using | 3931 | ········Built·using |
| 3932 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3932 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3933 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3933 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3934 | ······</p> | 3934 | ······</p> |
| 3935 | <p>Copyright·©·1996-202 | 3935 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3936 | ····</footer> | 3936 | ····</footer> |
| 3937 | ··</div> | 3937 | ··</div> |
| 3938 | </main> | 3938 | </main> |
| 3939 | </div> | 3939 | </div> |
| 3940 | <script> | 3940 | <script> |
| 3941 | ··function·mermaidLoaded()·{ | 3941 | ··function·mermaidLoaded()·{ |
| 3942 | ····mermaid.initialize({ | 3942 | ····mermaid.initialize({ |
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| 255 | ······<p·class="built-using"> | 255 | ······<p·class="built-using"> |
| 256 | ········Built·using | 256 | ········Built·using |
| 257 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 257 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 258 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 258 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 259 | ······</p> | 259 | ······</p> |
| 260 | <p>Copyright·©·1996-202 | 260 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 261 | ····</footer> | 261 | ····</footer> |
| 262 | ··</div> | 262 | ··</div> |
| 263 | </main> | 263 | </main> |
| 264 | </div> | 264 | </div> |
| 265 | <script> | 265 | <script> |
| 266 | ··function·mermaidLoaded()·{ | 266 | ··function·mermaidLoaded()·{ |
| 267 | ····mermaid.initialize({ | 267 | ····mermaid.initialize({ |
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| 243 | ······<p·class="built-using"> | 243 | ······<p·class="built-using"> |
| 244 | ········Built·using | 244 | ········Built·using |
| 245 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 245 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 246 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 246 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 247 | ······</p> | 247 | ······</p> |
| 248 | <p>Copyright·©·1996-202 | 248 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 249 | ····</footer> | 249 | ····</footer> |
| 250 | ··</div> | 250 | ··</div> |
| 251 | </main> | 251 | </main> |
| 252 | </div> | 252 | </div> |
| 253 | <script> | 253 | <script> |
| 254 | ··function·mermaidLoaded()·{ | 254 | ··function·mermaidLoaded()·{ |
| 255 | ····mermaid.initialize({ | 255 | ····mermaid.initialize({ |
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| 575 | ······<p·class="built-using"> | 575 | ······<p·class="built-using"> |
| 576 | ········Built·using | 576 | ········Built·using |
| 577 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 577 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 578 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 578 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 579 | ······</p> | 579 | ······</p> |
| 580 | <p>Copyright·©·1996-202 | 580 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 581 | ····</footer> | 581 | ····</footer> |
| 582 | ··</div> | 582 | ··</div> |
| 583 | </main> | 583 | </main> |
| 584 | </div> | 584 | </div> |
| 585 | <script> | 585 | <script> |
| 586 | ··function·mermaidLoaded()·{ | 586 | ··function·mermaidLoaded()·{ |
| 587 | ····mermaid.initialize({ | 587 | ····mermaid.initialize({ |
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| 249 | ······<p·class="built-using"> | 249 | ······<p·class="built-using"> |
| 250 | ········Built·using | 250 | ········Built·using |
| 251 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 251 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 252 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 252 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 253 | ······</p> | 253 | ······</p> |
| 254 | <p>Copyright·©·1996-202 | 254 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 255 | ····</footer> | 255 | ····</footer> |
| 256 | ··</div> | 256 | ··</div> |
| 257 | </main> | 257 | </main> |
| 258 | </div> | 258 | </div> |
| 259 | <script> | 259 | <script> |
| 260 | ··function·mermaidLoaded()·{ | 260 | ··function·mermaidLoaded()·{ |
| 261 | ····mermaid.initialize({ | 261 | ····mermaid.initialize({ |
| Offset 246, 15 lines modified | Offset 246, 15 lines modified | ||
| 246 | ······<p·class="built-using"> | 246 | ······<p·class="built-using"> |
| 247 | ········Built·using | 247 | ········Built·using |
| 248 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 248 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 249 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 249 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 250 | ······</p> | 250 | ······</p> |
| 251 | <p>Copyright·©·1996-202 | 251 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 252 | ····</footer> | 252 | ····</footer> |
| 253 | ··</div> | 253 | ··</div> |
| 254 | </main> | 254 | </main> |
| 255 | </div> | 255 | </div> |
| 256 | <script> | 256 | <script> |
| 257 | ··function·mermaidLoaded()·{ | 257 | ··function·mermaidLoaded()·{ |
| 258 | ····mermaid.initialize({ | 258 | ····mermaid.initialize({ |
| Offset 168, 20 lines modified | Offset 168, 20 lines modified | ||
| 168 | file·(see·below·for·more·info).·The·messages·in·this·file·is·encoded·with·just | 168 | file·(see·below·for·more·info).·The·messages·in·this·file·is·encoded·with·just |
| 169 | one·codec.·During·measurement·initiation,·the·messages·are·read·and·then | 169 | one·codec.·During·measurement·initiation,·the·messages·are·read·and·then |
| 170 | transformed·to·all·codec·formats·used·in·the·measurement.</p><p>The·message·transformation·is·done·by·the·transformation·module.·It·is·used·to | 170 | transformed·to·all·codec·formats·used·in·the·measurement.</p><p>The·message·transformation·is·done·by·the·transformation·module.·It·is·used·to |
| 171 | transform·a·set·of·messages·encoded·with·one·codec·into·the·other·base·codec's.</p><h4>Measurement(s)</h4><p>There·are·two·different·measurement·tools:</p><ul><li><p><em>meas</em>:</p><p>Used·to·perform·codec·measurements.·That·is,·to·see·what·kind·of·performance | 171 | transform·a·set·of·messages·encoded·with·one·codec·into·the·other·base·codec's.</p><h4>Measurement(s)</h4><p>There·are·two·different·measurement·tools:</p><ul><li><p><em>meas</em>:</p><p>Used·to·perform·codec·measurements.·That·is,·to·see·what·kind·of·performance |
| 172 | can·be·expected·by·the·different·codecs·provided·by·the·megaco·application.</p><p>The·measurement·is·done·by·iterating·over·the·decode/encode·function·for | 172 | can·be·expected·by·the·different·codecs·provided·by·the·megaco·application.</p><p>The·measurement·is·done·by·iterating·over·the·decode/encode·function·for |
| 173 | approx·2·seconds·per·message·and·counting·the·number·of·decodes/encodes.</p><p>Is·best·run·by·modifying·the·meas.sh.skel·skeleton·script·provided·by·the | 173 | approx·2·seconds·per·message·and·counting·the·number·of·decodes/encodes.</p><p>Is·best·run·by·modifying·the·meas.sh.skel·skeleton·script·provided·by·the |
| 174 | tool.</p><p>To·run·it·manually·do·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="c1">%·erl·-pa·<path-megaco-ebin-dir>·-pa·<path-to-meas-module-dir></span><span·class="w"> | 174 | tool.</p><p>To·run·it·manually·do·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="c1">%·erl·-pa·<path-megaco-ebin-dir>·-pa·<path-to-meas-module-dir></span><span·class="w"> |
| 175 | ········</span><span·class="n">Erlang</span><span·class="w">·</span><span·class="p"·data-group-id=" | 175 | ········</span><span·class="n">Erlang</span><span·class="w">·</span><span·class="p"·data-group-id="7694415593-1">(</span><span·class="n">BEAM</span><span·class="p"·data-group-id="7694415593-1">)</span><span·class="w">·</span><span·class="ss">emulator</span><span·class="w">·</span><span·class="ss">version</span><span·class="w">·</span><span·class="mf">5.[·...·truncated·by·diffoscope;·len:·156,·SHA:·ef19ce61e55eadd60525fd23564282ef549c42d47e0b21e4aa82850e27c7de17·...·]-2">]</span><span·class="w"> |
| 176 | ········</span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V12</span><span·class="p">.</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id=" | 176 | ········</span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V12</span><span·class="p">.</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="7694415593-3">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="7694415593-3">)</span><span·class="w"> |
| 177 | ········</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">megaco_codec_meas</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 177 | ········</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">megaco_codec_meas</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="7694415593-4">(</span><span·class="p"·data-group-id="7694415593-4">)</span><span·class="p">.</span><span·class="w"> |
| 178 | ········</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 178 | ········</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 179 | ········</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nf">halt</span><span·class="p"·data-group-id=" | 179 | ········</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nf">halt</span><span·class="p"·data-group-id="7694415593-5">(</span><span·class="p"·data-group-id="7694415593-5">)</span><span·class="p">.</span></code></pre><p>or·to·make·it·even·easier,·assuming·a·measure·shall·be·done·on·all·the·codecs |
| 180 | (as·above):</p><pre><code·class="text">········%·erl·-noshell·-pa·<path-megaco-ebin-dir>·\\ | 180 | (as·above):</p><pre><code·class="text">········%·erl·-noshell·-pa·<path-megaco-ebin-dir>·\\ |
| 181 | ··············-pa·<path-to-meas-module-dir>·\\ | 181 | ··············-pa·<path-to-meas-module-dir>·\\ |
| 182 | ··············-s·megaco_codec_meas·-s·init·stop</code></pre><p>When·run·as·above·(this·will·take·some·time),·the·measurement·process·is·done | 182 | ··············-s·megaco_codec_meas·-s·init·stop</code></pre><p>When·run·as·above·(this·will·take·some·time),·the·measurement·process·is·done |
| 183 | as·follows:</p><pre><code·class="text">For·each·codec: | 183 | as·follows:</p><pre><code·class="text">For·each·codec: |
| 184 | ····For·each·message: | 184 | ····For·each·message: |
| 185 | ········Read·the·message·from·the·file | 185 | ········Read·the·message·from·the·file |
| 186 | ············Detect·message·version | 186 | ············Detect·message·version |
| Offset 195, 18 lines modified | Offset 195, 18 lines modified | ||
| 195 | tool.</p><p>The·<em>mstone2</em>·is·similar·to·the·<em>mstone1</em>·tool,·but·in·this·case,·each·created | 195 | tool.</p><p>The·<em>mstone2</em>·is·similar·to·the·<em>mstone1</em>·tool,·but·in·this·case,·each·created |
| 196 | process·makes·only·<em>one</em>·run·through·the·messages·and·then·exits.·A·soon·as·a | 196 | process·makes·only·<em>one</em>·run·through·the·messages·and·then·exits.·A·soon·as·a |
| 197 | process·exits,·a·new·process·(with·the·same·config·and·messages)·is·created·to | 197 | process·exits,·a·new·process·(with·the·same·config·and·messages)·is·created·to |
| 198 | takes·its·place.·The·number·of·messages·processed·in·total·is·the·mstone2(1) | 198 | takes·its·place.·The·number·of·messages·processed·in·total·is·the·mstone2(1) |
| 199 | value.</p></li></ul><p>Both·these·tools·use·the·message·package·(time_test.msgs)·provided·with·the | 199 | value.</p></li></ul><p>Both·these·tools·use·the·message·package·(time_test.msgs)·provided·with·the |
| 200 | tool(s),·although·it·can·run·on·any·message·package·as·long·as·it·has·the·same | 200 | tool(s),·although·it·can·run·on·any·message·package·as·long·as·it·has·the·same |
| 201 | structure.</p><h4>Message·package·file</h4><p>This·is·simply·an·erlang·compatible·text-file·with·the·following·structure: | 201 | structure.</p><h4>Message·package·file</h4><p>This·is·simply·an·erlang·compatible·text-file·with·the·following·structure: |
| 202 | <code·class="inline">{codec_name(),·messages_list()}</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">codec_name</span><span·class="p"·data-group-id=" | 202 | <code·class="inline">{codec_name(),·messages_list()}</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">codec_name</span><span·class="p"·data-group-id="9704445612-1">(</span><span·class="p"·data-group-id="9704445612-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">pretty</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·687,·SHA:·b5edf88b8b2eca056afd344c6c8971d8850b36620922278ac272a986a61500dc·...·]-2">)</span><span·class="w"> |
| 203 | </span><span·class="nf">messages_list</span><span·class="p"·data-group-id=" | 203 | </span><span·class="nf">messages_list</span><span·class="p"·data-group-id="9704445612-3">(</span><span·class="p"·data-group-id="9704445612-3">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9704445612-4">[</span><span·class="p"·data-group-id="9704445612-5">{</span><sp[·...·truncated·by·diffoscope;·len:·418,·SHA:·579d0aa11cdf146150ce16c245fcda20d4f4c45ae8789d94e13b5c204b92f540·...·]-4">]</span><span·class="w"> |
| 204 | </span><span·class="nf">message_name</span><span·class="p"·data-group-id="6288886391-8">(</span><span·class="p"·data-group-id="6288886391-8">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="6288886391-9">(</span><span·class="p"·data-group-id="6288886391-9">)</span><span·class="w"> | ||
| 205 | </span><span·class="nf">message</span><span·class="p"·data-group-id=" | 204 | </span><span·class="nf">message_name</span><span·class="p"·data-group-id="9704445612-8">(</span><span·class="p"·data-group-id="9704445612-8">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="9704445[·...·truncated·by·diffoscope;·len:·84,·SHA:·5a7c641c2e94320d0bddf85cc917be973a82810b10ead46181f1aa8c52733312·...·] |
| 205 | </span><span·class="nf">message</span><span·class="p"·data-group-id="9704445612-10">(</span><span·class="p"·data-group-id="9704445612-10">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id="9704445612-11">(</span><span·class="p"·data-group-id="9704445612-11">)</span></code></pre><p>The·codec·name·is·the·name·of·the·codec·with·which·all·messages·in·the | ||
| 206 | <code·class="inline">message_list()</code>·has·been·encoded.</p><p>This·file·can·be·<code·class="inline">exported</code>·to·a·file·structure·by·calling·the | 206 | <code·class="inline">message_list()</code>·has·been·encoded.</p><p>This·file·can·be·<code·class="inline">exported</code>·to·a·file·structure·by·calling·the |
| 207 | <a·href="megaco_codec_transform.html#export_messages">export_messages</a>·function.·This·can | 207 | <a·href="megaco_codec_transform.html#export_messages">export_messages</a>·function.·This·can |
| 208 | be·usefull·if·a·measurement·shall·be·done·with·an·external·tool.·Exporting·the | 208 | be·usefull·if·a·measurement·shall·be·done·with·an·external·tool.·Exporting·the |
| 209 | messages·creates·a·directory·tree·with·the·following·structure:</p><pre><code·class="text"><message·package>/pretty/<message-files> | 209 | messages·creates·a·directory·tree·with·the·following·structure:</p><pre><code·class="text"><message·package>/pretty/<message-files> |
| 210 | ··················compact/ | 210 | ··················compact/ |
| 211 | ··················per/ | 211 | ··················per/ |
| 212 | ··················ber/<message-files> | 212 | ··················ber/<message-files> |
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| 262 | ······<p·class="built-using"> | 262 | ······<p·class="built-using"> |
| 263 | ········Built·using | 263 | ········Built·using |
| 264 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 264 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 265 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 265 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 266 | ······</p> | 266 | ······</p> |
| 267 | <p>Copyright·©·1996-202 | 267 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 268 | ····</footer> | 268 | ····</footer> |
| 269 | ··</div> | 269 | ··</div> |
| 270 | </main> | 270 | </main> |
| 271 | </div> | 271 | </div> |
| 272 | <script> | 272 | <script> |
| 273 | ··function·mermaidLoaded()·{ | 273 | ··function·mermaidLoaded()·{ |
| 274 | ····mermaid.initialize({ | 274 | ····mermaid.initialize({ |
| Offset 488, 15 lines modified | Offset 488, 15 lines modified | ||
| 488 | ······<p·class="built-using"> | 488 | ······<p·class="built-using"> |
| 489 | ········Built·using | 489 | ········Built·using |
| 490 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 490 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 491 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 491 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 492 | ······</p> | 492 | ······</p> |
| 493 | <p>Copyright·©·1996-202 | 493 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 494 | ····</footer> | 494 | ····</footer> |
| 495 | ··</div> | 495 | ··</div> |
| 496 | </main> | 496 | </main> |
| 497 | </div> | 497 | </div> |
| 498 | <script> | 498 | <script> |
| 499 | ··function·mermaidLoaded()·{ | 499 | ··function·mermaidLoaded()·{ |
| 500 | ····mermaid.initialize({ | 500 | ····mermaid.initialize({ |
| Offset 273, 15 lines modified | Offset 273, 15 lines modified | ||
| 273 | ······<p·class="built-using"> | 273 | ······<p·class="built-using"> |
| 274 | ········Built·using | 274 | ········Built·using |
| 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 277 | ······</p> | 277 | ······</p> |
| 278 | <p>Copyright·©·1996-202 | 278 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 279 | ····</footer> | 279 | ····</footer> |
| 280 | ··</div> | 280 | ··</div> |
| 281 | </main> | 281 | </main> |
| 282 | </div> | 282 | </div> |
| 283 | <script> | 283 | <script> |
| 284 | ··function·mermaidLoaded()·{ | 284 | ··function·mermaidLoaded()·{ |
| 285 | ····mermaid.initialize({ | 285 | ····mermaid.initialize({ |
| Offset 170, 67 lines modified | Offset 170, 67 lines modified | ||
| 170 | ···························} | 170 | ···························} |
| 171 | ···················} | 171 | ···················} |
| 172 | ···········} | 172 | ···········} |
| 173 | ···}</code></pre><p>Then·the·compact·version·without·indentation·and·with·short·keywords:</p><pre><code·class="text"> | 173 | ···}</code></pre><p>Then·the·compact·version·without·indentation·and·with·short·keywords:</p><pre><code·class="text"> |
| 174 | ···!/1·[124.124.124.222] | 174 | ···!/1·[124.124.124.222] |
| 175 | ···T=9998{C=-{SC=ROOT{SV{MT=RS,AD=55555,PF=ResGW/1,RE="901·Cold·Boot"}}}}</code></pre><p>And·the·programmers·view·of·the·same·message.·First·a·list·of·ActionRequest | 175 | ···T=9998{C=-{SC=ROOT{SV{MT=RS,AD=55555,PF=ResGW/1,RE="901·Cold·Boot"}}}}</code></pre><p>And·the·programmers·view·of·the·same·message.·First·a·list·of·ActionRequest |
| 176 | records·are·constructed·and·then·it·is·sent·with·one·of·the·send·functions·in | 176 | records·are·constructed·and·then·it·is·sent·with·one·of·the·send·functions·in |
| 177 | the·API:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="n">Prof</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'ServiceChangeProfile'</span><span·class="p"·data-group-id=" | 177 | the·API:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="n">Prof</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'ServiceChangeProfile'</span><span·class="p"·data-group-id="1844346186-1">{</span><span·class="ss">profileName</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"resgw"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">version</span><span·cl[·...·truncated·by·diffoscope;·len:·130,·SHA:·fc796f2bad86181f50b08b0689c4b414a928f5cd189c0fd83bebf8fdd8ffbda6·...·]-1">}</span><span·class="p">,</span><span·class="w"> |
| 178 | ··</span><span·class="n">Parm</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'ServiceChangeParm'</span><span·class="p"·data-group-id=" | 178 | ··</span><span·class="n">Parm</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'ServiceChangeParm'</span><span·class="p"·data-group-id="1844346186-2">{</span><span·class="ss">serviceChangeMethod</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">restart</span><span·class="p">,</span><span·class="w"> |
| 179 | ······························</span><span·class="ss">serviceChangeAddress</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 179 | ······························</span><span·class="ss">serviceChangeAddress</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1844346186-3">{</span><span·class="ss">portNumber</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">55555</span><span·class="p"·data-group-id="1844346186-3">}</span><span·class="p">,</span><span·class="w"> |
| 180 | ······························</span><span·class="ss">serviceChangeReason</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"901·Cold·Boot"</span><span·class="p">,</span><span·class="w"> | 180 | ······························</span><span·class="ss">serviceChangeReason</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"901·Cold·Boot"</span><span·class="p">,</span><span·class="w"> |
| 181 | ······························</span><span·class="ss">serviceChangeProfile</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Prof</span><span·class="p"·data-group-id=" | 181 | ······························</span><span·class="ss">serviceChangeProfile</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Prof</span><span·class="p"·data-group-id="1844346186-2">}</span><span·class="p">,</span><span·class="w"> |
| 182 | ··</span><span·class="n">Req</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'ServiceChangeRequest'</span><span·class="p"·data-group-id=" | 182 | ··</span><span·class="n">Req</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'ServiceChangeRequest'</span><span·class="p"·data-group-id="1844346186-4">{</span><span·class="ss">terminationID</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1844346186-5">[</span><span·class="o">?</span><span·class="ss">megaco_root_termination_id</spa[·...·truncated·by·diffoscope;·len:·43,·SHA:·1e2a987c536ad0c6fa209d83437195f6845f951eee14a750d37cbd2220e5469f·...·]-5">]</span><span·class="p">,</span><span·class="w"> |
| 183 | ································</span><span·class="ss">serviceChangeParms</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Parm</span><span·class="p"·data-group-id=" | 183 | ································</span><span·class="ss">serviceChangeParms</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Parm</span><span·class="p"·data-group-id="1844346186-4">}</span><span·class="p">,</span><span·class="w"> |
| 184 | ··</span><span·class="n">Actions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 184 | ··</span><span·class="n">Actions</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1844346186-6">[</span><span·class="o">#</span><span·class="ss">'ActionRequest'</span><span·class="p"·data-group-id="1844346186-7">{</span><span·class="ss">contextId</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="ss">megaco_null_context_id</span><span·class="p">,</span><span·class="w"> |
| 185 | ······························</span><span·class="ss">commandRequests</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 185 | ······························</span><span·class="ss">commandRequests</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1844346186-8">{</span><span·class="ss">serviceChangeReq</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Req</span><span·class="p"·data-group-id="1844346186-8">}</span><span·class="p"·data-group-id="1844346186-7">}</span><span·class="p[·...·truncated·by·diffoscope;·len:·27,·SHA:·942a5c3c0e08057e0d1edb029e16295e8a72063db9deee0b85f8e189434feffa·...·]-6">]</span><span·class="p">,</span><span·class="w"> |
| 186 | ··</span><span·class="nc">megaco</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 186 | ··</span><span·class="nc">megaco</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="1844346186-9">(</span><span·class="n">ConnHandle</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Actions</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="1844346186-9">)[·...·truncated·by·diffoscope;·len:·217,·SHA:·aa8f1e21365e6a421d97c3b592179f1aa4a10aeda50d81d6649eeefad1efafdc·...·]-1">{</span><span·class="ss">'MegacoMessage'</span><span·class="p">,</span><span·class="w"> |
| 187 | ···</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> | 187 | ···</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> |
| 188 | ···</span><span·class="p"·data-group-id="8 | 188 | ···</span><span·class="p"·data-group-id="8161929458-2">{</span><span·class="ss">'Message'</span><span·class="p">,</span><span·class="w"> |
| 189 | ····</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 189 | ····</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 190 | ····</span><span·class="p"·data-group-id="8 | 190 | ····</span><span·class="p"·data-group-id="8161929458-3">{</span><span·class="ss">ip4Address</span><span·class="p">,</span><span·class="p"·data-group-id="8161929458-4">{</span><span·class="ss">'IP4Address'</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8[·...·truncated·by·diffoscope;·len:·432,·SHA:·49f114aa8096a6fab7a95c07f40666248a4d8d6910233ddd61e012070f23c6df·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 191 | ····</span><span·class="p"·data-group-id="8 | 191 | ····</span><span·class="p"·data-group-id="8161929458-6">{</span><span·class="ss">transactions</span><span·class="p">,</span><span·class="w"> |
| 192 | ·····</span><span·class="p"·data-group-id="8 | 192 | ·····</span><span·class="p"·data-group-id="8161929458-7">[</span><span·class="w"> |
| 193 | ······</span><span·class="p"·data-group-id="8 | 193 | ······</span><span·class="p"·data-group-id="8161929458-8">{</span><span·class="ss">transactionRequest</span><span·class="p">,</span><span·class="w"> |
| 194 | ·······</span><span·class="p"·data-group-id="8 | 194 | ·······</span><span·class="p"·data-group-id="8161929458-9">{</span><span·class="ss">'TransactionRequest'</span><span·class="p">,</span><span·class="w"> |
| 195 | ·········</span><span·class="mi">9998</span><span·class="p">,</span><span·class="w"> | 195 | ·········</span><span·class="mi">9998</span><span·class="p">,</span><span·class="w"> |
| 196 | ·········</span><span·class="p"·data-group-id="8 | 196 | ·········</span><span·class="p"·data-group-id="8161929458-10">[</span><span·class="p"·data-group-id="8161929458-11">{</span><span·class="ss">'ActionRequest'</span><span·class="p">,</span><span·class="w"> |
| 197 | ···········</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> | 197 | ···········</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 198 | ···········</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> | 198 | ···········</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> |
| 199 | ···········</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> | 199 | ···········</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> |
| 200 | ···········</span><span·class="p"·data-group-id="8 | 200 | ···········</span><span·class="p"·data-group-id="8161929458-12">[</span><span·class="w"> |
| 201 | ············</span><span·class="p"·data-group-id="8 | 201 | ············</span><span·class="p"·data-group-id="8161929458-13">{</span><span·class="ss">'CommandRequest'</span><span·class="p">,</span><span·class="w"> |
| 202 | ·············</span><span·class="p"·data-group-id="8 | 202 | ·············</span><span·class="p"·data-group-id="8161929458-14">{</span><span·class="ss">serviceChangeReq</span><span·class="p">,</span><span·class="w"> |
| 203 | ··············</span><span·class="p"·data-group-id="8 | 203 | ··············</span><span·class="p"·data-group-id="8161929458-15">{</span><span·class="ss">'ServiceChangeRequest'</span><span·class="p">,</span><span·class="w"> |
| 204 | ···············</span><span·class="p"·data-group-id="8 | 204 | ···············</span><span·class="p"·data-group-id="8161929458-16">[</span><span·class="w"> |
| 205 | ················</span><span·class="p"·data-group-id="8 | 205 | ················</span><span·class="p"·data-group-id="8161929458-17">{</span><span·class="ss">megaco_term_id</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8161929458-18">[</span><span·class="s">&[·...·truncated·by·diffoscope;·len:·171,·SHA:·0fd2cb65fba2a1b381a46d08a35f04155b96541a67e9fbed37a22ffee12e3040·...·]-16">]</span><span·class="p">,</span><span·class="w"> |
| 206 | ················</span><span·class="p"·data-group-id="8 | 206 | ················</span><span·class="p"·data-group-id="8161929458-19">{</span><span·class="ss">'ServiceChangeParm'</span><span·class="p">,</span><span·class="w"> |
| 207 | ·················</span><span·class="ss">restart</span><span·class="p">,</span><span·class="w"> | 207 | ·················</span><span·class="ss">restart</span><span·class="p">,</span><span·class="w"> |
| 208 | ·················</span><span·class="p"·data-group-id="8 | 208 | ·················</span><span·class="p"·data-group-id="8161929458-20">{</span><span·class="ss">portNumber</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">55555</span><span·class="p"·data-group-id="8161929458-20">}</span><span·class="p">,</span><span·class="w"> |
| 209 | ·················</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> | 209 | ·················</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> |
| 210 | ·················</span><span·class="p"·data-group-id="8 | 210 | ·················</span><span·class="p"·data-group-id="8161929458-21">{</span><span·class="ss">'ServiceChangeProfile'</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"resgw"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">version</span><span·class="[·...·truncated·by·diffoscope;·len:·125,·SHA:·0a01e1c740cc5570c5f8054e9bd5b05af6c2cd0ea833af5003ff80f8338afa13·...·]-21">}</span><span·class="p">,</span><span·class="w"> |
| 211 | ·················</span><span·class="s">"901·MG·Cold·Boot"</span><span·class="p">,</span><span·class="w"> | 211 | ·················</span><span·class="s">"901·MG·Cold·Boot"</span><span·class="p">,</span><span·class="w"> |
| 212 | ·················</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> | 212 | ·················</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> |
| 213 | ·················</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> | 213 | ·················</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> |
| 214 | ·················</span><span·class="ss">asn1_NOVALUE</span><span·class="w"> | 214 | ·················</span><span·class="ss">asn1_NOVALUE</span><span·class="w"> |
| 215 | ················</span><span·class="p"·data-group-id="8 | 215 | ················</span><span·class="p"·data-group-id="8161929458-19">}</span><span·class="w"> |
| 216 | ··············</span><span·class="p"·data-group-id="8 | 216 | ··············</span><span·class="p"·data-group-id="8161929458-15">}</span><span·class="w"> |
| 217 | ·············</span><span·class="p"·data-group-id="8 | 217 | ·············</span><span·class="p"·data-group-id="8161929458-14">}</span><span·class="p">,</span><span·class="w"> |
| 218 | ·············</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> | 218 | ·············</span><span·class="ss">asn1_NOVALUE</span><span·class="p">,</span><span·class="w"> |
| 219 | ·············</span><span·class="ss">asn1_NOVALUE</span><span·class="w"> | 219 | ·············</span><span·class="ss">asn1_NOVALUE</span><span·class="w"> |
| 220 | ············</span><span·class="p"·data-group-id="8 | 220 | ············</span><span·class="p"·data-group-id="8161929458-13">}</span><span·class="w"> |
| 221 | ···········</span><span·class="p"·data-group-id="8 | 221 | ···········</span><span·class="p"·data-group-id="8161929458-12">]</span><span·class="w"> |
| 222 | ··········</span><span·class="p"·data-group-id="8 | 222 | ··········</span><span·class="p"·data-group-id="8161929458-11">}</span><span·class="w"> |
| 223 | ·········</span><span·class="p"·data-group-id="8 | 223 | ·········</span><span·class="p"·data-group-id="8161929458-10">]</span><span·class="w"> |
| 224 | ·······</span><span·class="p"·data-group-id="8 | 224 | ·······</span><span·class="p"·data-group-id="8161929458-9">}</span><span·class="w"> |
| 225 | ······</span><span·class="p"·data-group-id="8 | 225 | ······</span><span·class="p"·data-group-id="8161929458-8">}</span><span·class="w"> |
| 226 | ·····</span><span·class="p"·data-group-id="8 | 226 | ·····</span><span·class="p"·data-group-id="8161929458-7">]</span><span·class="w"> |
| 227 | ····</span><span·class="p"·data-group-id="8 | 227 | ····</span><span·class="p"·data-group-id="8161929458-6">}</span><span·class="w"> |
| 228 | ···</span><span·class="p"·data-group-id="8 | 228 | ···</span><span·class="p"·data-group-id="8161929458-2">}</span><span·class="w"> |
| 229 | ··</span><span·class="p"·data-group-id="8 | 229 | ··</span><span·class="p"·data-group-id="8161929458-1">}</span></code></pre><p>The·following·encoding·modules·are·provided:</p><ul><li>megaco_pretty_text_encoder·-·encodes·messages·into·pretty·text·format,·decodes |
| 230 | both·pretty·as·well·as·compact·text.</li><li>megaco_compact_text_encoder·-·encodes·messages·into·compact·text·format, | 230 | both·pretty·as·well·as·compact·text.</li><li>megaco_compact_text_encoder·-·encodes·messages·into·compact·text·format, |
| 231 | decodes·both·pretty·as·well·as·compact·text.</li><li>megaco_binary_encoder·-·encode/decode·ASN.1·BER·messages.·This·encoder | 231 | decodes·both·pretty·as·well·as·compact·text.</li><li>megaco_binary_encoder·-·encode/decode·ASN.1·BER·messages.·This·encoder |
| 232 | implements·the·fastest·of·the·BER·encoders/decoders.·Recommended·binary·codec.</li><li>megaco_ber_encoder·-·encode/decode·ASN.1·BER·messages.</li><li>megaco_per_encoder·-·encode/decode·ASN.1·PER·messages.·N.B.·that·this·format | 232 | implements·the·fastest·of·the·BER·encoders/decoders.·Recommended·binary·codec.</li><li>megaco_ber_encoder·-·encode/decode·ASN.1·BER·messages.</li><li>megaco_per_encoder·-·encode/decode·ASN.1·PER·messages.·N.B.·that·this·format |
| 233 | is·not·included·in·the·Megaco·standard.</li><li>megaco_erl_dist_encoder·-·encodes·messages·into·Erlangs·distribution·format. | 233 | is·not·included·in·the·Megaco·standard.</li><li>megaco_erl_dist_encoder·-·encodes·messages·into·Erlangs·distribution·format. |
| 234 | It·is·rather·verbose·but·encoding·and·decoding·is·blinding·fast.·N.B.·that | 234 | It·is·rather·verbose·but·encoding·and·decoding·is·blinding·fast.·N.B.·that |
| 235 | this·format·is·not·included·in·the·Megaco·standard.</li></ul><p><a·href=""·id="erl_dist_config"></a></p><h2·id="configuration-of-erlang-distribution-encoding-module"·class="section-heading"> | 235 | this·format·is·not·included·in·the·Megaco·standard.</li></ul><p><a·href=""·id="erl_dist_config"></a></p><h2·id="configuration-of-erlang-distribution-encoding-module"·class="section-heading"> |
| 236 | ··<a·href="#configuration-of-erlang-distribution-encoding-module"·class="hover-link"> | 236 | ··<a·href="#configuration-of-erlang-distribution-encoding-module"·class="hover-link"> |
| Offset 353, 15 lines modified | Offset 353, 15 lines modified | ||
| 353 | ······<p·class="built-using"> | 353 | ······<p·class="built-using"> |
| 354 | ········Built·using | 354 | ········Built·using |
| 355 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 355 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 356 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 356 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 357 | ······</p> | 357 | ······</p> |
| 358 | <p>Copyright·©·1996-202 | 358 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 359 | ····</footer> | 359 | ····</footer> |
| 360 | ··</div> | 360 | ··</div> |
| 361 | </main> | 361 | </main> |
| 362 | </div> | 362 | </div> |
| 363 | <script> | 363 | <script> |
| 364 | ··function·mermaidLoaded()·{ | 364 | ··function·mermaidLoaded()·{ |
| 365 | ····mermaid.initialize({ | 365 | ····mermaid.initialize({ |
| Offset 1340, 15 lines modified | Offset 1340, 15 lines modified | ||
| 1340 | ······<p·class="built-using"> | 1340 | ······<p·class="built-using"> |
| 1341 | ········Built·using | 1341 | ········Built·using |
| 1342 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1342 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1343 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1343 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1344 | ······</p> | 1344 | ······</p> |
| 1345 | <p>Copyright·©·1996-202 | 1345 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1346 | ····</footer> | 1346 | ····</footer> |
| 1347 | ··</div> | 1347 | ··</div> |
| 1348 | </main> | 1348 | </main> |
| 1349 | </div> | 1349 | </div> |
| 1350 | <script> | 1350 | <script> |
| 1351 | ··function·mermaidLoaded()·{ | 1351 | ··function·mermaidLoaded()·{ |
| 1352 | ····mermaid.initialize({ | 1352 | ····mermaid.initialize({ |
| Offset 155, 18 lines modified | Offset 155, 18 lines modified | ||
| 155 | synchronously·for·a·reply.</p><p>After·this·initial·service·change·message·the·connection·between·the·MG·and·MGC | 155 | synchronously·for·a·reply.</p><p>After·this·initial·service·change·message·the·connection·between·the·MG·and·MGC |
| 156 | is·fully·established·and·supervised.</p><p>Assuming·that·the·MGC·is·started·on·the·local·host,·four·different·MG's,·using | 156 | is·fully·established·and·supervised.</p><p>Assuming·that·the·MGC·is·started·on·the·local·host,·four·different·MG's,·using |
| 157 | text·over·TCP/IP,·binary·over·TCP/IP,·text·over·UDP/IP·and·binary·over·UDP/IP | 157 | text·over·TCP/IP,·binary·over·TCP/IP,·text·over·UDP/IP·and·binary·over·UDP/IP |
| 158 | may·be·started·on·the·same·Erlang·node·with:</p><pre><code·class="text">······cd·megaco/examples/simple | 158 | may·be·started·on·the·same·Erlang·node·with:</p><pre><code·class="text">······cd·megaco/examples/simple |
| 159 | ······erl·-pa·../../../megaco/ebin·-s·megaco_filter·-s·megaco | 159 | ······erl·-pa·../../../megaco/ebin·-s·megaco_filter·-s·megaco |
| 160 | ······megaco_simple_mg:start().</code></pre><p>or·simply·'gmake·mg'.</p><p>If·you·"only"·want·to·start·a·single·MG·which·tries·to·connect·an·MG·on·a·host | 160 | ······megaco_simple_mg:start().</code></pre><p>or·simply·'gmake·mg'.</p><p>If·you·"only"·want·to·start·a·single·MG·which·tries·to·connect·an·MG·on·a·host |
| 161 | named·"baidarka",·you·may·use·one·of·these·functions·(instead·of·the | 161 | named·"baidarka",·you·may·use·one·of·these·functions·(instead·of·the |
| 162 | megaco_simple_mg:start/0·above):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="nc">megaco_simple_mg</span><span·class="p">:</span><span·class="nf">start_tcp_text</span><span·class="p"·data-group-id="5 | 162 | megaco_simple_mg:start/0·above):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="nc">megaco_simple_mg</span><span·class="p">:</span><span·class="nf">start_tcp_text</span><span·class="p"·data-group-id="5311297338-1">(</span><span·class="s">"baidarka"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5311297338-2">[</span><span·class="p"·data-group-id="5311297338-2">]</span><span·class="p"·data-group-id="5311297[·...·truncated·by·diffoscope;·len:·3,·SHA:·5d8f6cce532a7aeb57196be62344095936793400b3aeb3580d248b17d5518a86·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 163 | ······</span><span·class="nc">megaco_simple_mg</span><span·class="p">:</span><span·class="nf">start_tcp_binary</span><span·class="p"·data-group-id="5019440312-3">(</span><span·class="s">"baidarka"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5019440312-4">[</span><span·class="p"·data-group-id="5019440312-4">]</span><span·class="p"·data-group-id="5019440312-3">)</span><span·class="p">.</span><span·class="w"> | ||
| 164 | ······</span><span·class="nc">megaco_simple_mg</span><span·class="p">:</span><span·class="nf">start_ | 163 | ······</span><span·class="nc">megaco_simple_mg</span><span·class="p">:</span><span·class="nf">start_tcp_binary</span><span·class="p"·data-group-id="5311297338-3">(</span><span·class="s">"baidarka"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5311297338-4">[</span><span·class="p"·data-group-id="5311297338-[·...·truncated·by·diffoscope;·len:·54,·SHA:·858b83f009e3e5d43a6f43a5ca346b6279cb971afe696c31501644ed3d0fec75·...·]">)</span><span·class="p">.</span><span·class="w"> |
| 164 | ······</span><span·class="nc">megaco_simple_mg</span><span·class="p">:</span><span·class="nf">start_udp_text</span><span·class="p"·data-group-id="5311297338-5">(</span><span·class="s">"baidarka"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5311297338-6">[</span><span·class="p"·data-group-id="5311297338-6">]</span><span·class="p"·data-group-id="5311297338-5">)</span><span·class="p">.</span><span·class="w"> | ||
| 165 | ······</span><span·class="nc">megaco_simple_mg</span><span·class="p">:</span><span·class="nf">start_udp_binary</span><span·class="p"·data-group-id="5 | 165 | ······</span><span·class="nc">megaco_simple_mg</span><span·class="p">:</span><span·class="nf">start_udp_binary</span><span·class="p"·data-group-id="5311297338-7">(</span><span·class="s">"baidarka"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5311297338-8">[</span><span·class="p"·data-group-id="5311297338-8">]</span><span·class="p"·data-group-id="5311297[·...·truncated·by·diffoscope;·len:·3,·SHA:·5d8f6cce532a7aeb57196be62344095936793400b3aeb3580d248b17d5518a86·...·]-7">)</span><span·class="p">.</span></code></pre><p>The·-s·megaco_filter·option·to·erl·implies,·the·event·tracing·mechanism·to·be |
| 166 | enabled·and·an·interactive·sequence·chart·tool·to·be·started.·This·may·be·quite | 166 | enabled·and·an·interactive·sequence·chart·tool·to·be·started.·This·may·be·quite |
| 167 | useful·in·order·to·visualize·how·your·MG·interacts·with·the·Megaco/H.248 | 167 | useful·in·order·to·visualize·how·your·MG·interacts·with·the·Megaco/H.248 |
| 168 | protocol·stack.</p><p>The·event·traces·may·alternatively·be·directed·to·a·file·for·later·analyze.·By | 168 | protocol·stack.</p><p>The·event·traces·may·alternatively·be·directed·to·a·file·for·later·analyze.·By |
| 169 | default·the·event·tracing·is·disabled,·but·it·may·dynamically·be·enabled·without | 169 | default·the·event·tracing·is·disabled,·but·it·may·dynamically·be·enabled·without |
| 170 | any·need·for·re-compilation·of·the·code.</p> | 170 | any·need·for·re-compilation·of·the·code.</p> |
| 171 | </div> | 171 | </div> |
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| 214 | ······<p·class="built-using"> | 214 | ······<p·class="built-using"> |
| 215 | ········Built·using | 215 | ········Built·using |
| 216 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 216 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 217 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 217 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 218 | ······</p> | 218 | ······</p> |
| 219 | <p>Copyright·©·1996-202 | 219 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 220 | ····</footer> | 220 | ····</footer> |
| 221 | ··</div> | 221 | ··</div> |
| 222 | </main> | 222 | </main> |
| 223 | </div> | 223 | </div> |
| 224 | <script> | 224 | <script> |
| 225 | ··function·mermaidLoaded()·{ | 225 | ··function·mermaidLoaded()·{ |
| 226 | ····mermaid.initialize({ | 226 | ····mermaid.initialize({ |
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| 435 | ······<p·class="built-using"> | 435 | ······<p·class="built-using"> |
| 436 | ········Built·using | 436 | ········Built·using |
| 437 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 437 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 438 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 438 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 439 | ······</p> | 439 | ······</p> |
| 440 | <p>Copyright·©·1996-202 | 440 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 441 | ····</footer> | 441 | ····</footer> |
| 442 | ··</div> | 442 | ··</div> |
| 443 | </main> | 443 | </main> |
| 444 | </div> | 444 | </div> |
| 445 | <script> | 445 | <script> |
| 446 | ··function·mermaidLoaded()·{ | 446 | ··function·mermaidLoaded()·{ |
| 447 | ····mermaid.initialize({ | 447 | ····mermaid.initialize({ |
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| 210 | ······<p·class="built-using"> | 210 | ······<p·class="built-using"> |
| 211 | ········Built·using | 211 | ········Built·using |
| 212 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 212 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 213 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 213 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 214 | ······</p> | 214 | ······</p> |
| 215 | <p>Copyright·©·1996-202 | 215 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 216 | ····</footer> | 216 | ····</footer> |
| 217 | ··</div> | 217 | ··</div> |
| 218 | </main> | 218 | </main> |
| 219 | </div> | 219 | </div> |
| 220 | <script> | 220 | <script> |
| 221 | ··function·mermaidLoaded()·{ | 221 | ··function·mermaidLoaded()·{ |
| 222 | ····mermaid.initialize({ | 222 | ····mermaid.initialize({ |
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| 202 | ······<p·class="built-using"> | 202 | ······<p·class="built-using"> |
| 203 | ········Built·using | 203 | ········Built·using |
| 204 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 204 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 205 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 205 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 206 | ······</p> | 206 | ······</p> |
| 207 | <p>Copyright·©·1996-202 | 207 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 208 | ····</footer> | 208 | ····</footer> |
| 209 | ··</div> | 209 | ··</div> |
| 210 | </main> | 210 | </main> |
| 211 | </div> | 211 | </div> |
| 212 | <script> | 212 | <script> |
| 213 | ··function·mermaidLoaded()·{ | 213 | ··function·mermaidLoaded()·{ |
| 214 | ····mermaid.initialize({ | 214 | ····mermaid.initialize({ |
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| 253 | ······<p·class="built-using"> | 253 | ······<p·class="built-using"> |
| 254 | ········Built·using | 254 | ········Built·using |
| 255 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 255 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 256 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 256 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 257 | ······</p> | 257 | ······</p> |
| 258 | <p>Copyright·©·1996-202 | 258 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 259 | ····</footer> | 259 | ····</footer> |
| 260 | ··</div> | 260 | ··</div> |
| 261 | </main> | 261 | </main> |
| 262 | </div> | 262 | </div> |
| 263 | <script> | 263 | <script> |
| 264 | ··function·mermaidLoaded()·{ | 264 | ··function·mermaidLoaded()·{ |
| 265 | ····mermaid.initialize({ | 265 | ····mermaid.initialize({ |
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| 331 | ······<p·class="built-using"> | 331 | ······<p·class="built-using"> |
| 332 | ········Built·using | 332 | ········Built·using |
| 333 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 333 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 334 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 334 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 335 | ······</p> | 335 | ······</p> |
| 336 | <p>Copyright·©·1996-202 | 336 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 337 | ····</footer> | 337 | ····</footer> |
| 338 | ··</div> | 338 | ··</div> |
| 339 | </main> | 339 | </main> |
| 340 | </div> | 340 | </div> |
| 341 | <script> | 341 | <script> |
| 342 | ··function·mermaidLoaded()·{ | 342 | ··function·mermaidLoaded()·{ |
| 343 | ····mermaid.initialize({ | 343 | ····mermaid.initialize({ |
| Offset 1184, 15 lines modified | Offset 1184, 15 lines modified | ||
| 1184 | ······<p·class="built-using"> | 1184 | ······<p·class="built-using"> |
| 1185 | ········Built·using | 1185 | ········Built·using |
| 1186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1186 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1187 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1188 | ······</p> | 1188 | ······</p> |
| 1189 | <p>Copyright·©·1996-202 | 1189 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1190 | ····</footer> | 1190 | ····</footer> |
| 1191 | ··</div> | 1191 | ··</div> |
| 1192 | </main> | 1192 | </main> |
| 1193 | </div> | 1193 | </div> |
| 1194 | <script> | 1194 | <script> |
| 1195 | ··function·mermaidLoaded()·{ | 1195 | ··function·mermaidLoaded()·{ |
| 1196 | ····mermaid.initialize({ | 1196 | ····mermaid.initialize({ |
| Offset 825, 15 lines modified | Offset 825, 15 lines modified | ||
| 825 | ······<p·class="built-using"> | 825 | ······<p·class="built-using"> |
| 826 | ········Built·using | 826 | ········Built·using |
| 827 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 827 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 828 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 828 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 829 | ······</p> | 829 | ······</p> |
| 830 | <p>Copyright·©·1996-202 | 830 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 831 | ····</footer> | 831 | ····</footer> |
| 832 | ··</div> | 832 | ··</div> |
| 833 | </main> | 833 | </main> |
| 834 | </div> | 834 | </div> |
| 835 | <script> | 835 | <script> |
| 836 | ··function·mermaidLoaded()·{ | 836 | ··function·mermaidLoaded()·{ |
| 837 | ····mermaid.initialize({ | 837 | ····mermaid.initialize({ |
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| 324 | ······<p·class="built-using"> | 324 | ······<p·class="built-using"> |
| 325 | ········Built·using | 325 | ········Built·using |
| 326 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 326 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 327 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 327 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 328 | ······</p> | 328 | ······</p> |
| 329 | <p>Copyright·©·1996-202 | 329 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 330 | ····</footer> | 330 | ····</footer> |
| 331 | ··</div> | 331 | ··</div> |
| 332 | </main> | 332 | </main> |
| 333 | </div> | 333 | </div> |
| 334 | <script> | 334 | <script> |
| 335 | ··function·mermaidLoaded()·{ | 335 | ··function·mermaidLoaded()·{ |
| 336 | ····mermaid.initialize({ | 336 | ····mermaid.initialize({ |
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| 187 | ······<p·class="built-using"> | 187 | ······<p·class="built-using"> |
| 188 | ········Built·using | 188 | ········Built·using |
| 189 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 189 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 190 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 190 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 191 | ······</p> | 191 | ······</p> |
| 192 | <p>Copyright·©·1996-202 | 192 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 193 | ····</footer> | 193 | ····</footer> |
| 194 | ··</div> | 194 | ··</div> |
| 195 | </main> | 195 | </main> |
| 196 | </div> | 196 | </div> |
| 197 | <script> | 197 | <script> |
| 198 | ··function·mermaidLoaded()·{ | 198 | ··function·mermaidLoaded()·{ |
| 199 | ····mermaid.initialize({ | 199 | ····mermaid.initialize({ |
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| 853 | ······<p·class="built-using"> | 853 | ······<p·class="built-using"> |
| 854 | ········Built·using | 854 | ········Built·using |
| 855 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 855 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 856 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 856 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 857 | ······</p> | 857 | ······</p> |
| 858 | <p>Copyright·©·1996-202 | 858 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 859 | ····</footer> | 859 | ····</footer> |
| 860 | ··</div> | 860 | ··</div> |
| 861 | </main> | 861 | </main> |
| 862 | </div> | 862 | </div> |
| 863 | <script> | 863 | <script> |
| 864 | ··function·mermaidLoaded()·{ | 864 | ··function·mermaidLoaded()·{ |
| 865 | ····mermaid.initialize({ | 865 | ····mermaid.initialize({ |
| Offset 127, 31 lines modified | Offset 127, 31 lines modified | ||
| 127 | ··</h1> | 127 | ··</h1> |
| 128 | ····<section·id="moduledoc"> | 128 | ····<section·id="moduledoc"> |
| 129 | <p>Callback·module·for·users·of·the·Megaco·application</p><p>This·module·defines·the·callback·behaviour·of·Megaco·users.·A·megaco_user | 129 | <p>Callback·module·for·users·of·the·Megaco·application</p><p>This·module·defines·the·callback·behaviour·of·Megaco·users.·A·megaco_user |
| 130 | compliant·callback·module·must·export·the·following·functions:</p><ul><li><a·href="#c:handle_connect/3">handle_connect/2,3</a></li><li><a·href="#c:handle_disconnect/3">handle_disconnect/3</a></li><li><a·href="#c:handle_syntax_error/4">handle_syntax_error/3,4</a></li><li><a·href="#c:handle_message_error/4">handle_message_error/3,4</a></li><li><a·href="#c:handle_trans_request/4">handle_trans_request/3,4</a></li><li><a·href="#c:handle_trans_long_request/4">handle_trans_long_request/3,4</a></li><li><a·href="#c:handle_trans_reply/5">handle_trans_reply/4,5</a></li><li><a·href="#c:handle_trans_ack/5">handle_trans_ack/4,5</a></li><li><a·href="#c:handle_unexpected_trans/4">handle_unexpected_trans/3,4</a></li><li><a·href="#c:handle_trans_request_abort/5">handle_trans_request_abort/4,5</a></li><li><a·href="#c:handle_segment_reply/6">handle_segment_reply/5,6</a></li></ul><p>The·semantics·of·them·and·their·exact·signatures·are·explained·below.</p><p>The·<code·class="inline">user_args</code>·configuration·parameter·which·may·be·used·to·extend·the·argument | 130 | compliant·callback·module·must·export·the·following·functions:</p><ul><li><a·href="#c:handle_connect/3">handle_connect/2,3</a></li><li><a·href="#c:handle_disconnect/3">handle_disconnect/3</a></li><li><a·href="#c:handle_syntax_error/4">handle_syntax_error/3,4</a></li><li><a·href="#c:handle_message_error/4">handle_message_error/3,4</a></li><li><a·href="#c:handle_trans_request/4">handle_trans_request/3,4</a></li><li><a·href="#c:handle_trans_long_request/4">handle_trans_long_request/3,4</a></li><li><a·href="#c:handle_trans_reply/5">handle_trans_reply/4,5</a></li><li><a·href="#c:handle_trans_ack/5">handle_trans_ack/4,5</a></li><li><a·href="#c:handle_unexpected_trans/4">handle_unexpected_trans/3,4</a></li><li><a·href="#c:handle_trans_request_abort/5">handle_trans_request_abort/4,5</a></li><li><a·href="#c:handle_segment_reply/6">handle_segment_reply/5,6</a></li></ul><p>The·semantics·of·them·and·their·exact·signatures·are·explained·below.</p><p>The·<code·class="inline">user_args</code>·configuration·parameter·which·may·be·used·to·extend·the·argument |
| 131 | list·of·the·callback·functions.·For·example,·the·handle_connect·function·takes | 131 | list·of·the·callback·functions.·For·example,·the·handle_connect·function·takes |
| 132 | by·default·two·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_connect</span><span·class="p"·data-group-id=" | 132 | by·default·two·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_connect</span><span·class="p"·data-group-id="5601276213-1">(</span><span·class="n">Handle</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Version</span><span·class="p"·data-group-id="5601276213-1">)</span></code></pre><p>but·if·the·<code·class="inline">user_args</code>·parameter·is·set·to·a·longer·list,·such·as |
| 133 | <code·class="inline">[SomePid,SomeTableRef]</code>,·the·callback·function·is·expected·to·have·these·(in | 133 | <code·class="inline">[SomePid,SomeTableRef]</code>,·the·callback·function·is·expected·to·have·these·(in |
| 134 | this·case·two)·extra·arguments·last·in·the·argument·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_connect</span><span·class="p"·data-group-id=" | 134 | this·case·two)·extra·arguments·last·in·the·argument·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">handle_connect</span><span·class="p"·data-group-id="1381831106-1">(</span><span·class="n">Handle</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Version</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SomePid</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·75,·SHA:·1133c2988452ded39cf4c8c3509ef40ac99f0634242eaa1f6506c850d4afb9e6·...·]-1">)</span></code></pre><p><a·href=""·id="extra_argument"></a></p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Must·of·the·functions·below·has·an·optional·<code·class="inline">Extra</code>·argument·(e.g. |
| 135 | <a·href="#c:handle_unexpected_trans/4">handle_unexpected_trans/4</a>).·The·functions | 135 | <a·href="#c:handle_unexpected_trans/4">handle_unexpected_trans/4</a>).·The·functions |
| 136 | which·takes·this·argument·will·be·called·if·and·only·if·one·of·the·functions | 136 | which·takes·this·argument·will·be·called·if·and·only·if·one·of·the·functions |
| 137 | <a·href="megaco.html#receive_message/5"><code·class="inline">receive_message/5</code></a>·or | 137 | <a·href="megaco.html#receive_message/5"><code·class="inline">receive_message/5</code></a>·or |
| 138 | <a·href="megaco.html#process_received_message/5"><code·class="inline">process_received_message/5</code></a>·was·called | 138 | <a·href="megaco.html#process_received_message/5"><code·class="inline">process_received_message/5</code></a>·was·called |
| 139 | with·the·<code·class="inline">Extra</code>·argument·different·than·<code·class="inline">ignore_extra</code>.</p></section><h2·id="module-data-types"·class="section-heading"> | 139 | with·the·<code·class="inline">Extra</code>·argument·different·than·<code·class="inline">ignore_extra</code>.</p></section><h2·id="module-data-types"·class="section-heading"> |
| 140 | ··<a·href="#module-data-types"·class="hover-link"> | 140 | ··<a·href="#module-data-types"·class="hover-link"> |
| 141 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 141 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 142 | ··</a> | 142 | ··</a> |
| 143 | ··<span·class="text">DATA·TYPES</span> | 143 | ··<span·class="text">DATA·TYPES</span> |
| 144 | </h2> | 144 | </h2> |
| 145 | <pre><code·class="makeup·erlang"·translate="no"><span·class="nf">action_request</span><span·class="p"·data-group-id=" | 145 | <pre><code·class="makeup·erlang"·translate="no"><span·class="nf">action_request</span><span·class="p"·data-group-id="3691236625-1">(</span><span·class="p"·data-group-id="3691236625-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'ActionRequest'</span><span·class="p"·data-group-id="3691236[·...·truncated·by·diffoscope;·len:·56,·SHA:·33e74fc393bc2f2e387ceb0c838aad6d533c8d06021b6dbb355654edaf8b043e·...·]-2">}</span><span·class="w"> |
| 146 | </span><span·class="nf">action_reply</span><span·class="p"·data-group-id=" | 146 | </span><span·class="nf">action_reply</span><span·class="p"·data-group-id="3691236625-3">(</span><span·class="p"·data-group-id="3691236625-3">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'ActionReply'</span><span·class="p"·data-group-id="369123662[·...·truncated·by·diffoscope;·len:·54,·SHA:·db564898ff8c550e2ca7e01b54dac8bc6eb3037aa3f72512610d09eb3211a214·...·]-4">}</span><span·class="w"> |
| 147 | </span><span·class="nf">error_desc</span><span·class="p"·data-group-id=" | 147 | </span><span·class="nf">error_desc</span><span·class="p"·data-group-id="3691236625-5">(</span><span·class="p"·data-group-id="3691236625-5">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'ErrorDescriptor'</span><span·class="p"·data-group-id="36912[·...·truncated·by·diffoscope;·len:·58,·SHA:·bd641d8dd0e98696577bba79454cdf00f1388643db2fcb916356e22e5a7b06a2·...·]-6">}</span><span·class="w"> |
| 148 | </span><span·class="nf">segment_no</span><span·class="p"·data-group-id=" | 148 | </span><span·class="nf">segment_no</span><span·class="p"·data-group-id="3691236625-7">(</span><span·class="p"·data-group-id="3691236625-7">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="3691236625-8">(</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·462,·SHA:·1dfe9913ee04c5307db7876fca59a5e6f72a113312324e3d47ecc580fec07597·...·]-2">}</span></code></pre><p>The·record·initially·returned·by·<code·class="inline">megaco:connect/4,5</code>.·It·identifies·a·"virtual" |
| 149 | connection·and·may·be·reused·after·a·reconnect·(disconnect·+·connect).</p><pre><code·class="text">protocol_version()·=·integer()</code></pre><p>Is·the·actual·protocol·version.·In·most·cases·the·protocol·version·is·retrieved | 149 | connection·and·may·be·reused·after·a·reconnect·(disconnect·+·connect).</p><pre><code·class="text">protocol_version()·=·integer()</code></pre><p>Is·the·actual·protocol·version.·In·most·cases·the·protocol·version·is·retrieved |
| 150 | from·the·processed·message,·but·there·are·exceptions:</p><ul><li>When·<code·class="inline">handle_connect/2,3</code>·is·triggered·by·an·explicit·call·to | 150 | from·the·processed·message,·but·there·are·exceptions:</p><ul><li>When·<code·class="inline">handle_connect/2,3</code>·is·triggered·by·an·explicit·call·to |
| 151 | <code·class="inline">megaco:connect/4,5</code>.</li><li><a·href="#c:handle_disconnect/3"><code·class="inline">handle_disconnect/3</code></a></li><li><a·href="#c:handle_syntax_error/3"><code·class="inline">handle_syntax_error/3</code></a></li></ul><p>In·these·cases,·the·ProtocolVersion·default·version·is·obtained·from·the·static | 151 | <code·class="inline">megaco:connect/4,5</code>.</li><li><a·href="#c:handle_disconnect/3"><code·class="inline">handle_disconnect/3</code></a></li><li><a·href="#c:handle_syntax_error/3"><code·class="inline">handle_syntax_error/3</code></a></li></ul><p>In·these·cases,·the·ProtocolVersion·default·version·is·obtained·from·the·static |
| 152 | connection·configuration:</p><ul><li><code·class="inline">megaco:conn_info(ConnHandle,·protocol_version)</code>.</li></ul> | 152 | connection·configuration:</p><ul><li><code·class="inline">megaco:conn_info(ConnHandle,·protocol_version)</code>.</li></ul> |
| 153 | ····</section> | 153 | ····</section> |
| 154 | </div> | 154 | </div> |
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| 1503 | ······<p·class="built-using"> | 1503 | ······<p·class="built-using"> |
| 1504 | ········Built·using | 1504 | ········Built·using |
| 1505 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1505 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1506 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1506 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1507 | ······</p> | 1507 | ······</p> |
| 1508 | <p>Copyright·©·1996-202 | 1508 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1509 | ····</footer> | 1509 | ····</footer> |
| 1510 | ··</div> | 1510 | ··</div> |
| 1511 | </main> | 1511 | </main> |
| 1512 | </div> | 1512 | </div> |
| 1513 | <script> | 1513 | <script> |
| 1514 | ··function·mermaidLoaded()·{ | 1514 | ··function·mermaidLoaded()·{ |
| 1515 | ····mermaid.initialize({ | 1515 | ····mermaid.initialize({ |
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| 992 | ······<p·class="built-using"> | 992 | ······<p·class="built-using"> |
| 993 | ········Built·using | 993 | ········Built·using |
| 994 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 994 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 995 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 995 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 996 | ······</p> | 996 | ······</p> |
| 997 | <p>Copyright·©·1996-202 | 997 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 998 | ····</footer> | 998 | ····</footer> |
| 999 | ··</div> | 999 | ··</div> |
| 1000 | </main> | 1000 | </main> |
| 1001 | </div> | 1001 | </div> |
| 1002 | <script> | 1002 | <script> |
| 1003 | ··function·mermaidLoaded()·{ | 1003 | ··function·mermaidLoaded()·{ |
| 1004 | ····mermaid.initialize({ | 1004 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 199 | ······<p·class="built-using"> | 199 | ······<p·class="built-using"> |
| 200 | ········Built·using | 200 | ········Built·using |
| 201 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 201 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 202 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 202 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 203 | ······</p> | 203 | ······</p> |
| 204 | <p>Copyright·©·1996-202 | 204 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 205 | ····</footer> | 205 | ····</footer> |
| 206 | ··</div> | 206 | ··</div> |
| 207 | </main> | 207 | </main> |
| 208 | </div> | 208 | </div> |
| 209 | <script> | 209 | <script> |
| 210 | ··function·mermaidLoaded()·{ | 210 | ··function·mermaidLoaded()·{ |
| 211 | ····mermaid.initialize({ | 211 | ····mermaid.initialize({ |
| Offset 162, 19 lines modified | Offset 162, 19 lines modified | ||
| 162 | <code·class="inline">true</code>,·a·majority·of·the·table·replicas·must·be·available·for·an·update·to | 162 | <code·class="inline">true</code>,·a·majority·of·the·table·replicas·must·be·available·for·an·update·to |
| 163 | succeed.·Majority·checking·can·be·enabled·on·tables·with·mission-critical | 163 | succeed.·Majority·checking·can·be·enabled·on·tables·with·mission-critical |
| 164 | data,·where·it·is·vital·to·avoid·inconsistencies·because·of·network·splits.</p></li><li><p><code·class="inline">snmp</code>.·Each·(set-based)·Mnesia·table·can·be·automatically·turned·into·a | 164 | data,·where·it·is·vital·to·avoid·inconsistencies·because·of·network·splits.</p></li><li><p><code·class="inline">snmp</code>.·Each·(set-based)·Mnesia·table·can·be·automatically·turned·into·a |
| 165 | Simple·Network·Management·Protocol·(SNMP)·ordered·table·as·well.·This·property | 165 | Simple·Network·Management·Protocol·(SNMP)·ordered·table·as·well.·This·property |
| 166 | specifies·the·types·of·the·SNMP·keys.</p></li><li><p><code·class="inline">attributes</code>.·The·names·of·the·attributes·for·the·records·that·are·inserted·in | 166 | specifies·the·types·of·the·SNMP·keys.</p></li><li><p><code·class="inline">attributes</code>.·The·names·of·the·attributes·for·the·records·that·are·inserted·in |
| 167 | the·table.</p></li></ul><p>For·information·about·the·complete·set·of·table·properties·and·their·details, | 167 | the·table.</p></li></ul><p>For·information·about·the·complete·set·of·table·properties·and·their·details, |
| 168 | see·<a·href="#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>.</p><p>This·Reference·Manual·uses·a·table·of·persons·to·illustrate·various·examples. | 168 | see·<a·href="#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>.</p><p>This·Reference·Manual·uses·a·table·of·persons·to·illustrate·various·examples. |
| 169 | The·following·record·definition·is·assumed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 169 | The·following·record·definition·is·assumed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="3507559004-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3507559004-2">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w"> |
| 170 | ·················</span><span·class="ss">age</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> | 170 | ·················</span><span·class="ss">age</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 171 | ·················</span><span·class="ss">address</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">unknown</span><span·class="p">,</span><span·class="w"> | 171 | ·················</span><span·class="ss">address</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">unknown</span><span·class="p">,</span><span·class="w"> |
| 172 | ·················</span><span·class="ss">salary</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> | 172 | ·················</span><span·class="ss">salary</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 173 | ·················</span><span·class="ss">children</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 173 | ·················</span><span·class="ss">children</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="3507559004-3">[</span><span·class="p"·data-group-id="3507559004-3">]</span><span·class="p"·data-group-id="3507559004-2">}</span><span·class="p"·data-group-id="3507559004-1">)</span><span·class="p">,</span></code></pre><p>The·first·record·attribute·is·the·primary·key,·or·key·for·short.</p><p>The·function·descriptions·are·sorted·in·alphabetical·order.·It·is·recommended·to |
| 174 | start·to·read·about·<a·href="#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>,·<a·href="#lock/2"><code·class="inline">mnesia:lock/2</code></a>,·and | 174 | start·to·read·about·<a·href="#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>,·<a·href="#lock/2"><code·class="inline">mnesia:lock/2</code></a>,·and |
| 175 | ·<a·href="#activity/4"><code·class="inline">mnesia:activity/4</code></a>·before·you·continue·and·learn·about·the·rest.</p><p>Writing·or·deleting·in·transaction-context·creates·a·local·copy·of·each·modified | 175 | ·<a·href="#activity/4"><code·class="inline">mnesia:activity/4</code></a>·before·you·continue·and·learn·about·the·rest.</p><p>Writing·or·deleting·in·transaction-context·creates·a·local·copy·of·each·modified |
| 176 | record·during·the·transaction.·During·iteration,·that·is,·<a·href="#foldl/4"><code·class="inline">mnesia:foldl/4</code></a>, | 176 | record·during·the·transaction.·During·iteration,·that·is,·<a·href="#foldl/4"><code·class="inline">mnesia:foldl/4</code></a>, |
| 177 | <a·href="#foldr/4"><code·class="inline">mnesia:foldr/4</code></a>,·<a·href="#next/2"><code·class="inline">mnesia:next/2</code></a>,·<a·href="#prev/2"><code·class="inline">mnesia:prev/2</code></a>,·and·<a·href="#snmp_get_next_index/2"><code·class="inline">mnesia:snmp_get_next_index/2</code></a>,·Mnesia | 177 | <a·href="#foldr/4"><code·class="inline">mnesia:foldr/4</code></a>,·<a·href="#next/2"><code·class="inline">mnesia:next/2</code></a>,·<a·href="#prev/2"><code·class="inline">mnesia:prev/2</code></a>,·and·<a·href="#snmp_get_next_index/2"><code·class="inline">mnesia:snmp_get_next_index/2</code></a>,·Mnesia |
| 178 | compensates·for·every·written·or·deleted·record,·which·can·reduce·the | 178 | compensates·for·every·written·or·deleted·record,·which·can·reduce·the |
| 179 | performance.</p><p>If·possible,·avoid·writing·or·deleting·records·in·the·same·transaction·before | 179 | performance.</p><p>If·possible,·avoid·writing·or·deleting·records·in·the·same·transaction·before |
| 180 | iterating·over·the·table.</p><h2·id="module-configuration-parameters"·class="section-heading"> | 180 | iterating·over·the·table.</p><h2·id="module-configuration-parameters"·class="section-heading"> |
| Offset 2793, 15 lines modified | Offset 2793, 15 lines modified | ||
| 2793 | ······<div·class="specs"> | 2793 | ······<div·class="specs"> |
| 2794 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·change_table_copy_type(Tab·::·<a·href="#t:table/0">table</a>(),·Node·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:node/0">node</a>(),·To·::·<a·href="#t:storage_type/0">storage_type</a>())·->·<a·href="#t:t_result/1">t_result</a>(ok).</pre> | 2794 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·change_table_copy_type(Tab·::·<a·href="#t:table/0">table</a>(),·Node·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:node/0">node</a>(),·To·::·<a·href="#t:storage_type/0">storage_type</a>())·->·<a·href="#t:t_result/1">t_result</a>(ok).</pre> |
| 2795 | ······</div> | 2795 | ······</div> |
| 2796 | <p>Change·the·storage·type·of·a·table.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">change_table_copy_type</span><span·class="p"·data-group-id=" | 2796 | <p>Change·the·storage·type·of·a·table.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">change_table_copy_type</span><span·class="p"·data-group-id="8882484175-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">node</span><span·class="p"·data-group-id="8882484175-2">(</span><span·class="p"·data-group-id="8882484175-2">)</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·102,·SHA:·b369d42266d0d7040dcbcc9243487305a710544e53bbe76a36327d51e4791653·...·]-1">)</span></code></pre><p>Transforms·the·<code·class="inline">person</code>·table·from·a·RAM·table·into·a·disc-based·table·at |
| 2797 | <code·class="inline">Node</code>.</p><p>This·function·can·also·be·used·to·change·the·storage·type·of·the·table·named | 2797 | <code·class="inline">Node</code>.</p><p>This·function·can·also·be·used·to·change·the·storage·type·of·the·table·named |
| 2798 | <code·class="inline">schema</code>.·The·schema·table·can·only·have·<code·class="inline">ram_copies</code>·or·<code·class="inline">disc_copies</code>·as·the | 2798 | <code·class="inline">schema</code>.·The·schema·table·can·only·have·<code·class="inline">ram_copies</code>·or·<code·class="inline">disc_copies</code>·as·the |
| 2799 | storage·type.·If·the·storage·type·of·the·schema·is·<code·class="inline">ram_copies</code>,·no·other·table | 2799 | storage·type.·If·the·storage·type·of·the·schema·is·<code·class="inline">ram_copies</code>,·no·other·table |
| 2800 | can·be·disc-resident·on·that·node.</p> | 2800 | can·be·disc-resident·on·that·node.</p> |
| 2801 | ··</section> | 2801 | ··</section> |
| 2802 | </section> | 2802 | </section> |
| 2803 | <section·class="detail"·id="change_table_frag/2"> | 2803 | <section·class="detail"·id="change_table_frag/2"> |
| Offset 3032, 30 lines modified | Offset 3032, 30 lines modified | ||
| 3032 | Therefore·applications·that·use·SNMP·to·manipulate·and·control·the·system·can | 3032 | Therefore·applications·that·use·SNMP·to·manipulate·and·control·the·system·can |
| 3033 | be·designed·easily,·since·Mnesia·provides·a·direct·mapping·between·the·logical | 3033 | be·designed·easily,·since·Mnesia·provides·a·direct·mapping·between·the·logical |
| 3034 | tables·that·make·up·an·SNMP·control·application·and·the·physical·data·that | 3034 | tables·that·make·up·an·SNMP·control·application·and·the·physical·data·that |
| 3035 | makes·up·a·Mnesia·table.</p></li><li><p><code·class="inline">{storage_properties,·[{Backend,·Properties}]</code>·forwards·more·properties·to·the | 3035 | makes·up·a·Mnesia·table.</p></li><li><p><code·class="inline">{storage_properties,·[{Backend,·Properties}]</code>·forwards·more·properties·to·the |
| 3036 | back·end·storage.·<code·class="inline">Backend</code>·can·currently·be·<code·class="inline">ets</code>·or·<code·class="inline">dets</code>.·<code·class="inline">Properties</code>·is | 3036 | back·end·storage.·<code·class="inline">Backend</code>·can·currently·be·<code·class="inline">ets</code>·or·<code·class="inline">dets</code>.·<code·class="inline">Properties</code>·is |
| 3037 | a·list·of·options·sent·to·the·back·end·storage·during·table·creation. | 3037 | a·list·of·options·sent·to·the·back·end·storage·during·table·creation. |
| 3038 | <code·class="inline">Properties</code>·cannot·contain·properties·already·used·by·Mnesia,·such·as·<code·class="inline">type</code> | 3038 | <code·class="inline">Properties</code>·cannot·contain·properties·already·used·by·Mnesia,·such·as·<code·class="inline">type</code> |
| 3039 | or·<code·class="inline">named_table</code>.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 3039 | or·<code·class="inline">named_table</code>.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="0496743667-1">(</span><span·class="ss">table</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0496743667-2">[</span><span·class="p"·data-group-id="0496743667-3">{</span><span·class="ss">ram_copies</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·689,·SHA:·7962ef271c37f928d385b3ee1b913b2417ff8c55f3526d3ae11be5cd29675878·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 3040 | ·······</span><span·class="p"·data-group-id=" | 3040 | ·······</span><span·class="p"·data-group-id="0496743667-8">{</span><span·class="ss">storage_properties</span><span·class="p">,</span><span·class="w"> |
| 3041 | ········</span><span·class="p"·data-group-id=" | 3041 | ········</span><span·class="p"·data-group-id="0496743667-9">[</span><span·class="p"·data-group-id="0496743667-10">{</span><span·class="ss">ets</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0496743667-11">[</span><span·class="ss">compressed</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·872,·SHA:·9f20a996732b88af4715279eec211df9706b80b0a09e63b52f0587bc292344ad·...·]-1">)</span></code></pre></li><li><p><code·class="inline">{type,·Type}</code>,·where·<code·class="inline">Type</code>·must·be·either·of·the·atoms·<code·class="inline">set</code>,·<code·class="inline">ordered_set</code>, |
| 3042 | or·<code·class="inline">bag</code>.·Default·is·<code·class="inline">set</code>.·In·a·<code·class="inline">set</code>,·all·records·have·unique·keys.·In·a | 3042 | or·<code·class="inline">bag</code>.·Default·is·<code·class="inline">set</code>.·In·a·<code·class="inline">set</code>,·all·records·have·unique·keys.·In·a |
| 3043 | <code·class="inline">bag</code>,·several·records·can·have·the·same·key,·but·the·record·content·is | 3043 | <code·class="inline">bag</code>,·several·records·can·have·the·same·key,·but·the·record·content·is |
| 3044 | unique.·If·a·non-unique·record·is·stored,·the·old·conflicting·records·are | 3044 | unique.·If·a·non-unique·record·is·stored,·the·old·conflicting·records·are |
| 3045 | overwritten.</p><p>Notice·that·currently·<code·class="inline">ordered_set</code>·is·not·supported·for·<code·class="inline">disc_only_copies</code>.</p></li><li><p><code·class="inline">{local_content,·Bool}</code>,·where·<code·class="inline">Bool</code>·is·<code·class="inline">true</code>·or·<code·class="inline">false</code>.·Default·is | 3045 | overwritten.</p><p>Notice·that·currently·<code·class="inline">ordered_set</code>·is·not·supported·for·<code·class="inline">disc_only_copies</code>.</p></li><li><p><code·class="inline">{local_content,·Bool}</code>,·where·<code·class="inline">Bool</code>·is·<code·class="inline">true</code>·or·<code·class="inline">false</code>.·Default·is |
| 3046 | <code·class="inline">false</code>.</p></li></ul><p>For·example,·the·following·call·creates·the·<code·class="inline">person</code>·table·(defined·earlier)·and | 3046 | <code·class="inline">false</code>.</p></li></ul><p>For·example,·the·following·call·creates·the·<code·class="inline">person</code>·table·(defined·earlier)·and |
| 3047 | replicates·it·on·two·nodes:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 3047 | replicates·it·on·two·nodes:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="4081256071-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w"> |
| 3048 | ····</span><span·class="p"·data-group-id="9349129528-2">[</span><span·class="p"·data-group-id="9349129528-3">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9349129528-4">[</span><span·class="n">N1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N2</span><span·class="p"·data-group-id="9349129528-4">]</span><span·class="p"·data-group-id="9349129528-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 3049 | ···· | 3048 | ····</span><span·class="p"·data-group-id="4081256071-2">[</span><span·class="p"·data-group-id="4081256071-3">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4081256071-4">[</span><span·cl[·...·truncated·by·diffoscope;·len:·236,·SHA:·05d601ffbde43dcd2021a3493dbc5a25a82db848e4d2ef909e48db9c2e9697e7·...·] |
| 3049 | ·····</span><span·class="p"·data-group-id="4081256071-5">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="4081256071-6">(</span><span·class="ss">fields</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">person</span><span·class="p"·data-group-id="4081256071-6">)</span><span·class="p"·data-group-id="4081256071-5">}</span><span·class="p"·data-group-id="4081256071-2">]</span><span·class="p"·data-group-id="4081256071-1">)</span><span·class="p">.</span></code></pre><p>If·it·is·required·that·Mnesia·must·build·and·maintain·an·extra·index·table·on | ||
| 3050 | attribute·<code·class="inline">address</code>·of·all·the·<code·class="inline">person</code>·records·that·are·inserted·in·the·table, | 3050 | attribute·<code·class="inline">address</code>·of·all·the·<code·class="inline">person</code>·records·that·are·inserted·in·the·table, |
| 3051 | the·following·code·would·be·issued:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 3051 | the·following·code·would·be·issued:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="6006571891-1">(</span><span·class="ss">person</span><span·class="p">,</span><span·class="w"> |
| 3052 | ····</span><span·class="p"·data-group-id=" | 3052 | ····</span><span·class="p"·data-group-id="6006571891-2">[</span><span·class="p"·data-group-id="6006571891-3">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6006571891-4">[</span><span·class="n">N1</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·146,·SHA:·4c27e8401ef489116d92fcb504ae048bf2dc0d145b1a903859f0897cf6b72c73·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 3053 | ·····</span><span·class="p"·data-group-id=" | 3053 | ·····</span><span·class="p"·data-group-id="6006571891-5">{</span><span·class="ss">index</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6006571891-6">[</span><span·class="ss">address</span><span·class="p"·data-group-id="6006571891-6">]</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·7797340d7eb19491a1bd2c4d7a7cb7bb5f5ec3f8be733668121cee925d723315·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 3054 | ·····</span><span·class="p"·data-group-id=" | 3054 | ·····</span><span·class="p"·data-group-id="6006571891-7">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="6006571891-8">(</span><span·class="ss">fields</span><span·class="p">,</span><span·clas[·...·truncated·by·diffoscope;·len:·244,·SHA:·439a4e3eccc54b618b7d1d7c6587aa3f4ff8a625b1c42eaf28cb1ca6dba95741·...·]-1">)</span><span·class="p">.</span></code></pre><p>The·specification·of·<code·class="inline">index</code>·and·<code·class="inline">attributes</code>·can·be·hard-coded·as |
| 3055 | <code·class="inline">{index,·[2]}</code>·and·<code·class="inline">{attributes,·[name,·age,·address,·salary,·children]}</code>, | 3055 | <code·class="inline">{index,·[2]}</code>·and·<code·class="inline">{attributes,·[name,·age,·address,·salary,·children]}</code>, |
| 3056 | respectively.</p><p><a·href="#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>·writes·records·into·the·table·<code·class="inline">schema</code>.·This·function, | 3056 | respectively.</p><p><a·href="#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>·writes·records·into·the·table·<code·class="inline">schema</code>.·This·function, |
| 3057 | and·all·other·schema·manipulation·functions,·are·implemented·with·the·normal | 3057 | and·all·other·schema·manipulation·functions,·are·implemented·with·the·normal |
| 3058 | transaction·management·system.·This·guarantees·that·schema·updates·are·performed | 3058 | transaction·management·system.·This·guarantees·that·schema·updates·are·performed |
| 3059 | on·all·nodes·in·an·atomic·manner.</p> | 3059 | on·all·nodes·in·an·atomic·manner.</p> |
| 3060 | ··</section> | 3060 | ··</section> |
| 3061 | </section> | 3061 | </section> |
| Offset 5155, 18 lines modified | Offset 5155, 18 lines modified | ||
| 5155 | ······</div> | 5155 | ······</div> |
| 5156 | <p>Select·the·objects·in·<code·class="inline">Tab</code>·against·<code·class="inline">MatchSpec</code>.</p><p>Matches·the·objects·in·table·<code·class="inline">Tab</code>·using·a·<code·class="inline">match_spec</code>·as·described·in·the | 5156 | <p>Select·the·objects·in·<code·class="inline">Tab</code>·against·<code·class="inline">MatchSpec</code>.</p><p>Matches·the·objects·in·table·<code·class="inline">Tab</code>·using·a·<code·class="inline">match_spec</code>·as·described·in·the |
| 5157 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/ets.html#select/3"><code·class="inline">ets:select/3</code></a>.·Optionally·a·lock·<code·class="inline">read</code>·or·<code·class="inline">write</code>·can·be·given·as·the·third | 5157 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/ets.html#select/3"><code·class="inline">ets:select/3</code></a>.·Optionally·a·lock·<code·class="inline">read</code>·or·<code·class="inline">write</code>·can·be·given·as·the·third |
| 5158 | argument.·Default·is·<code·class="inline">read</code>.·The·return·value·depends·on·<code·class="inline">MatchSpec</code>.</p><p>Notice·that·for·best·performance,·<code·class="inline">select</code>·is·to·be·used·before·any·modifying | 5158 | argument.·Default·is·<code·class="inline">read</code>.·The·return·value·depends·on·<code·class="inline">MatchSpec</code>.</p><p>Notice·that·for·best·performance,·<code·class="inline">select</code>·is·to·be·used·before·any·modifying |
| 5159 | operations·are·done·on·that·table·in·the·same·transaction.·That·is,·do·not·use | 5159 | operations·are·done·on·that·table·in·the·same·transaction.·That·is,·do·not·use |
| 5160 | <code·class="inline">write</code>·or·<code·class="inline">delete</code>·before·a·<code·class="inline">select</code>.</p><p>In·its·simplest·forms,·the·<code·class="inline">match_spec</code>·look·as·follows:</p><ul><li><code·class="inline">MatchSpec·=·[MatchFunction]</code></li><li><code·class="inline">MatchFunction·=·{MatchHead,·[Guard],·[Result]}</code></li><li><p><code·class="inline">MatchHead·=·tuple()·|·record()</code></p></li><li><code·class="inline">Guard·=·{"Guardtest·name",·...}</code></li><li><code·class="inline">Result·=·"Term·construct"</code></li></ul><p>For·a·complete·description·of·<code·class="inline">select</code>,·see·the·<a·href="../../../../erts-15.2.3/doc/html/index.html">ERTS</a> | 5160 | <code·class="inline">write</code>·or·<code·class="inline">delete</code>·before·a·<code·class="inline">select</code>.</p><p>In·its·simplest·forms,·the·<code·class="inline">match_spec</code>·look·as·follows:</p><ul><li><code·class="inline">MatchSpec·=·[MatchFunction]</code></li><li><code·class="inline">MatchFunction·=·{MatchHead,·[Guard],·[Result]}</code></li><li><p><code·class="inline">MatchHead·=·tuple()·|·record()</code></p></li><li><code·class="inline">Guard·=·{"Guardtest·name",·...}</code></li><li><code·class="inline">Result·=·"Term·construct"</code></li></ul><p>For·a·complete·description·of·<code·class="inline">select</code>,·see·the·<a·href="../../../../erts-15.2.3/doc/html/index.html">ERTS</a> |
| 5161 | User's·Guide·and·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/ets.html"><code·class="inline">ets</code></a>·manual·page·in·STDLIB.</p><p>For·example,·to·find·the·names·of·all·male·persons·older·than·30·in·table·<code·class="inline">Tab</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">MatchHead</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id=" | 5161 | User's·Guide·and·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/ets.html"><code·class="inline">ets</code></a>·manual·page·in·STDLIB.</p><p>For·example,·to·find·the·names·of·all·male·persons·older·than·30·in·table·<code·class="inline">Tab</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">MatchHead</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="0482041893-1">{</span><span·class="ss">name</span><span·class="o">=</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">sex</span><span·class="o">=</span><span·class="ss">male</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·287,·SHA:·d2a7cf8fc1077e6b15e9225454be67693de8b952d9151a5a8600371a77c4f108·...·]3-1">}</span><span·class="p">,</span><span·class="w"> |
| 5162 | </span><span·class="n">Guard</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 5162 | </span><span·class="n">Guard</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0482041893-2">{</span><span·class="ss">'>'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$2'</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">30</span><span·class="p"·data-group-id="0482041[·...·truncated·by·diffoscope;·len:·2,·SHA:·cd70bea023f752a0564abb6ed08d42c1440f2e33e29914e55e0be1595e24f45a·...·]3-2">}</span><span·class="p">,</span><span·class="w"> |
| 5163 | </span><span·class="n">Result</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> | 5163 | </span><span·class="n">Result</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w"> |
| 5164 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 5164 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="0482041893-3">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="p"·data-group-id="0482041893-4">[</span><span·class="p"·data-group-id="0482041893-5">{</span><span·class="n">MatchHead</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·465,·SHA:·70ee4f9a06f04ffb06ca6addabe816b05a95b420dbbcb341291a675ddec2ea7c·...·]3-3">)</span><span·class="p">,</span></code></pre> |
| 5165 | ··</section> | 5165 | ··</section> |
| 5166 | </section> | 5166 | </section> |
| 5167 | <section·class="detail"·id="select/4"> | 5167 | <section·class="detail"·id="select/4"> |
| 5168 | ··<div·class="detail-header"> | 5168 | ··<div·class="detail-header"> |
| 5169 | ····<a·href="#select/4"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 5169 | ····<a·href="#select/4"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 5170 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 5170 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 5435, 17 lines modified | Offset 5435, 17 lines modified | ||
| 5435 | information·needed·is·information·about·the·key·types·in·the·table.·Multiple | 5435 | information·needed·is·information·about·the·key·types·in·the·table.·Multiple |
| 5436 | keys·cannot·be·handled·in·Mnesia,·but·many·SNMP·tables·have·multiple·keys. | 5436 | keys·cannot·be·handled·in·Mnesia,·but·many·SNMP·tables·have·multiple·keys. |
| 5437 | Therefore,·the·following·convention·is·used:·if·a·table·has·multiple·keys,·these | 5437 | Therefore,·the·following·convention·is·used:·if·a·table·has·multiple·keys,·these |
| 5438 | must·always·be·stored·as·a·tuple·of·the·keys.·Information·about·the·key·types·is | 5438 | must·always·be·stored·as·a·tuple·of·the·keys.·Information·about·the·key·types·is |
| 5439 | specified·as·a·tuple·of·atoms·describing·the·types.·The·only·significant·type·is | 5439 | specified·as·a·tuple·of·atoms·describing·the·types.·The·only·significant·type·is |
| 5440 | <code·class="inline">fix_string</code>.·This·means·that·a·string·has·a·fixed·size.</p><p>For·example,·the·following·causes·table·<code·class="inline">person</code>·to·be·ordered·as·an·SNMP·table:</p><pre><code·class="text">mnesia:snmp_open_table(person,·[{key,·string}])</code></pre><p>Consider·the·following·schema·for·a·table·of·company·employees.·Each·employee·is | 5440 | <code·class="inline">fix_string</code>.·This·means·that·a·string·has·a·fixed·size.</p><p>For·example,·the·following·causes·table·<code·class="inline">person</code>·to·be·ordered·as·an·SNMP·table:</p><pre><code·class="text">mnesia:snmp_open_table(person,·[{key,·string}])</code></pre><p>Consider·the·following·schema·for·a·table·of·company·employees.·Each·employee·is |
| 5441 | identified·by·department·number·and·name.·The·other·table·column·stores·the | 5441 | identified·by·department·number·and·name.·The·other·table·column·stores·the |
| 5442 | telephone·number:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 5442 | telephone·number:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="3271424744-1">(</span><span·class="ss">employee</span><span·class="p">,</span><span·class="w"> |
| 5443 | ····</span><span·class="p"·data-group-id="6129959038-2">[</span><span·class="p"·data-group-id="6129959038-3">{</span><span·class="ss">snmp</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6129959038-4">[</span><span·class="p"·data-group-id="6129959038-5">{</span><span·class="ss">key</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6129959038-6">{</span><span·class="ss">integer</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">string</span><span·class="p"·data-group-id="6129959038-6">}</span><span·class="p"·data-group-id="6129959038-5">}</span><span·class="p"·data-group-id="6129959038-4">]</span><span·class="p"·data-group-id="6129959038-3">}</span><span·class="p">,</span><span·class="w"> | ||
| 5444 | ···· | 5443 | ····</span><span·class="p"·data-group-id="3271424744-2">[</span><span·class="p"·data-group-id="3271424744-3">{</span><span·class="ss">snmp</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3271424744-4">[</span><span·class="p[·...·truncated·by·diffoscope;·len:·528,·SHA:·7555926bed7455ae9be25245050fe37a90f84c9f758ac1301d3ffb658c93831b·...·] |
| 5444 | ·····</span><span·class="p"·data-group-id="3271424744-7">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="3271424744-8">(</span><span·class="ss">fields</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">employees</span><span·class="p"·data-group-id="3271424744-8">)</span><span·class="p"·data-group-id="3271424744-7">}</span><span·class="p"·data-group-id="3271424744-2">]</span><span·class="p"·data-group-id="3271424744-1">)</span><span·class="p">,</span></code></pre><p>The·corresponding·SNMP·table·would·have·three·columns:·<code·class="inline">department</code>,·<code·class="inline">name</code>,·and | ||
| 5445 | <code·class="inline">telno</code>.</p><p>An·option·is·to·have·table·columns·that·are·not·visible·through·the·SNMP | 5445 | <code·class="inline">telno</code>.</p><p>An·option·is·to·have·table·columns·that·are·not·visible·through·the·SNMP |
| 5446 | protocol.·These·columns·must·be·the·last·columns·of·the·table.·In·the·previous | 5446 | protocol.·These·columns·must·be·the·last·columns·of·the·table.·In·the·previous |
| 5447 | example,·the·SNMP·table·could·have·columns·<code·class="inline">department</code>·and·<code·class="inline">name</code>·only.·The | 5447 | example,·the·SNMP·table·could·have·columns·<code·class="inline">department</code>·and·<code·class="inline">name</code>·only.·The |
| 5448 | application·could·then·use·column·<code·class="inline">telno</code>·internally,·but·it·would·not·be | 5448 | application·could·then·use·column·<code·class="inline">telno</code>·internally,·but·it·would·not·be |
| 5449 | visible·to·the·SNMP·managers.</p><p>In·a·table·monitored·by·SNMP,·all·elements·must·be·integers,·strings,·or·lists | 5449 | visible·to·the·SNMP·managers.</p><p>In·a·table·monitored·by·SNMP,·all·elements·must·be·integers,·strings,·or·lists |
| 5450 | of·integers.</p><p>When·a·table·is·SNMP·ordered,·modifications·are·more·expensive·than·usual, | 5450 | of·integers.</p><p>When·a·table·is·SNMP·ordered,·modifications·are·more·expensive·than·usual, |
| 5451 | O(logN).·Also,·more·memory·is·used.</p><p>Notice·that·only·the·lexicographical·SNMP·ordering·is·implemented·in·Mnesia,·not | 5451 | O(logN).·Also,·more·memory·is·used.</p><p>Notice·that·only·the·lexicographical·SNMP·ordering·is·implemented·in·Mnesia,·not |
| Offset 6008, 43 lines modified | Offset 6008, 43 lines modified | ||
| 6008 | <p>Execute·<code·class="inline">Fun</code>·with·arguments·<code·class="inline">Args</code>·as·a·transaction.</p><p>The·code·that·executes·inside·the·transaction·can·consist·of·a·series·of·table | 6008 | <p>Execute·<code·class="inline">Fun</code>·with·arguments·<code·class="inline">Args</code>·as·a·transaction.</p><p>The·code·that·executes·inside·the·transaction·can·consist·of·a·series·of·table |
| 6009 | manipulation·functions.·If·something·goes·wrong·inside·the·transaction·as·a | 6009 | manipulation·functions.·If·something·goes·wrong·inside·the·transaction·as·a |
| 6010 | result·of·a·user·error·or·a·certain·table·not·being·available,·the·entire | 6010 | result·of·a·user·error·or·a·certain·table·not·being·available,·the·entire |
| 6011 | transaction·is·terminated·and·the·function·<a·href="#transaction/1"><code·class="inline">transaction/1</code></a> | 6011 | transaction·is·terminated·and·the·function·<a·href="#transaction/1"><code·class="inline">transaction/1</code></a> |
| 6012 | returns·the·tuple·<code·class="inline">{aborted,·Reason}</code>.</p><p>If·all·is·going·well,·<code·class="inline">{atomic,·ResultOfFun}</code>·is·returned,·where·<code·class="inline">ResultOfFun</code> | 6012 | returns·the·tuple·<code·class="inline">{aborted,·Reason}</code>.</p><p>If·all·is·going·well,·<code·class="inline">{atomic,·ResultOfFun}</code>·is·returned,·where·<code·class="inline">ResultOfFun</code> |
| 6013 | is·the·value·of·the·last·expression·in·<code·class="inline">Fun</code>.</p><p>A·function·that·adds·a·family·to·the·database·can·be·written·as·follows·if·there | 6013 | is·the·value·of·the·last·expression·in·<code·class="inline">Fun</code>.</p><p>A·function·that·adds·a·family·to·the·database·can·be·written·as·follows·if·there |
| 6014 | is·a·structure·<code·class="inline">{family,·Father,·Mother,·ChildrenList}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">add_family</span><span·class="p"·data-group-id=" | 6014 | is·a·structure·<code·class="inline">{family,·Father,·Mother,·ChildrenList}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">add_family</span><span·class="p"·data-group-id="6890395092-1">(</span><span·class="p"·data-group-id="6890395092-2">{</span><span·class="ss">family</span><span·class="p">,</span><span·class="w">·</span><span·class="n">F</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·c[·...·truncated·by·diffoscope;·len:·166,·SHA:·cc7c4ca4c3094b7c534dc7163914a31899499c8d00dd4a2753c98a6b9b9995dd·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 6015 | ····</span><span·class="n">ChildOids</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 6015 | ····</span><span·class="n">ChildOids</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="6890395092-3">(</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">oid</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Children</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·3f65a798e7ca7de3bdd82e60208ee4888885d237f861f30f39723ab11f66ad17·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 6016 | ····</span><span·class="n">Trans</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 6016 | ····</span><span·class="n">Trans</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="6890395092-4">(</span><span·class="p"·data-group-id="6890395092-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 6017 | ········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="2045241198-5">(</span><span·class="n">F</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="2045241198-6">{</span><span·class="ss">children</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">ChildOids</span><span·class="p"·data-group-id="2045241198-6">}</span><span·class="p"·data-group-id="2045241198-5">)</span><span·class="p">,</span><span·class="w"> | ||
| 6018 | ········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 6017 | ········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="6890395092-5">(</span><span·class="n">F</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="6890395092-6">{</span><span·class="ss">children</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·129,·SHA:·b50e1c16f5c8e745f7c575c9465f48186887a355026c9bc1df79b375770e0517·...·]">)</span><span·class="p">,</span><span·class="w"> |
| 6018 | ········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="6890395092-7">(</span><span·class="n">M</span><span·class="o">#</span><span·class="ss">person</span><span·class="p"·data-group-id="6890395092-8">{</span><span·class="ss">children</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">ChildOids</span><span·class="p"·data-group-id="6890395092-8">}</span><span·class="p"·data-group-id="6890395092-7">)</span><span·class="p">,</span><span·class="w"> | ||
| 6019 | ········</span><span·class="n">Write</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 6019 | ········</span><span·class="n">Write</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="6890395092-9">(</span><span·class="n">Child</span><span·class="p"·data-group-id="6890395092-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write<[·...·truncated·by·diffoscope;·len:·129,·SHA:·4ab968da11172771dad235b9411c3134cb5df268edd5f0a5fb45b917c852e953·...·]-10">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 6020 | ········</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foreach</span><span·class="p"·data-group-id=" | 6020 | ········</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foreach</span><span·class="p"·data-group-id="6890395092-11">(</span><span·class="n">Write</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Children</span><span·class="p"·data-group-id="6890395092-11">)</span><span·class="w"> |
| 6021 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 6021 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 6022 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id=" | 6022 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="6890395092-12">(</span><span·class="n">Trans</span><span·class="p"·data-group-id="6890395092-12">)</span><span·class="p">.</span><span·class="w"> |
| 6023 | </span><span·class="nf">oid</span><span·class="p"·data-group-id=" | 6023 | </span><span·class="nf">oid</span><span·class="p"·data-group-id="6890395092-13">(</span><span·class="n">Rec</span><span·class="p"·data-group-id="6890395092-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="6890395092-14">{</span><span·class="nf">elemen[·...·truncated·by·diffoscope;·len:·542,·SHA:·14bdfe182e2c25117f1534308fb09caa1905f0eaec79f49f37824c56b8de9f5a·...·]-14">}</span><span·class="p">.</span></code></pre><p>This·code·adds·a·set·of·people·to·the·database.·Running·this·code·within·one |
| 6024 | transaction·ensures·that·either·the·whole·family·is·added·to·the·database,·or | 6024 | transaction·ensures·that·either·the·whole·family·is·added·to·the·database,·or |
| 6025 | the·whole·transaction·terminates.·For·example,·if·the·last·child·is·badly | 6025 | the·whole·transaction·terminates.·For·example,·if·the·last·child·is·badly |
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| Offset 155, 160 lines modified | Offset 155, 160 lines modified | ||
| 155 | </span><span·class="c1">%%</span><span·class="w"> | 155 | </span><span·class="c1">%%</span><span·class="w"> |
| 156 | </span><span·class="c1">%%·The·NewOpaqueData·arguments·returned·by·restore·callback·functions·will</span><span·class="w"> | 156 | </span><span·class="c1">%%·The·NewOpaqueData·arguments·returned·by·restore·callback·functions·will</span><span·class="w"> |
| 157 | </span><span·class="c1">%%·be·given·as·input·when·the·next·restore·callback·function·is·invoked</span><span·class="w"> | 157 | </span><span·class="c1">%%·be·given·as·input·when·the·next·restore·callback·function·is·invoked</span><span·class="w"> |
| 158 | </span><span·class="c1">%%·If·any·return·value·does·not·match·{ok,·_}·the·restore·will·be·aborted.</span><span·class="w"> | 158 | </span><span·class="c1">%%·If·any·return·value·does·not·match·{ok,·_}·the·restore·will·be·aborted.</span><span·class="w"> |
| 159 | </span><span·class="c1">%%</span><span·class="w"> | 159 | </span><span·class="c1">%%</span><span·class="w"> |
| 160 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> | 160 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> |
| 161 | </span><span·class="w"> | 161 | </span><span·class="w"> |
| 162 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 162 | </span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="6228992101-1">(</span><span·class="ss">mnesia_backup</span><span·class="p"·data-group-id="6228992101-1">)</span><span·class="p">.</span><span·class="w"> |
| 163 | </span><span·class="w"> | 163 | </span><span·class="w"> |
| 164 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 164 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="6228992101-2">(</span><span·class="s">"kernel/include/file.hrl"</span><span·class="p"·data-group-id="6228992101-2">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="w"> | 165 | </span><span·class="w"> |
| 166 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 166 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6228992101-3">(</span><span·class="p"·data-group-id="6228992101-4">[</span><span·class="w"> |
| 167 | ·········</span><span·class="c1">%%·Write·access</span><span·class="w"> | 167 | ·········</span><span·class="c1">%%·Write·access</span><span·class="w"> |
| 168 | ·········</span><span·class="ss">open_write</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 168 | ·········</span><span·class="ss">open_write</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 169 | ·········</span><span·class="ss">write</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> | 169 | ·········</span><span·class="ss">write</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 170 | ·········</span><span·class="ss">commit_write</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 170 | ·········</span><span·class="ss">commit_write</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 171 | ·········</span><span·class="ss">abort_write</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 171 | ·········</span><span·class="ss">abort_write</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 172 | ·········</span><span·class="c1">%%·Read·access</span><span·class="w"> | 172 | ·········</span><span·class="c1">%%·Read·access</span><span·class="w"> |
| 173 | ·········</span><span·class="ss">open_read</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 173 | ·········</span><span·class="ss">open_read</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 174 | ·········</span><span·class="ss">read</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 174 | ·········</span><span·class="ss">read</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 175 | ·········</span><span·class="ss">close_read</span><span·class="p">/</span><span·class="mi">1</span><span·class="w"> | 175 | ·········</span><span·class="ss">close_read</span><span·class="p">/</span><span·class="mi">1</span><span·class="w"> |
| 176 | ········</span><span·class="p"·data-group-id=" | 176 | ········</span><span·class="p"·data-group-id="6228992101-4">]</span><span·class="p"·data-group-id="6228992101-3">)</span><span·class="p">.</span><span·class="w"> |
| 177 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> | 177 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> |
| 178 | </span><span·class="c1">%%·Backup·callback·interface</span><span·class="w"> | 178 | </span><span·class="c1">%%·Backup·callback·interface</span><span·class="w"> |
| 179 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 179 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6228992101-5">(</span><span·class="ss">backup</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6228992101-6">{</span><span·class="ss">tmp_file</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">file</[·...·truncated·by·diffoscope;·len:·180,·SHA:·80674270adc2de5d7a612ed327ef10ea4617913e082aff078d32eb8b9dfc58bd·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 180 | </span><span·class="c1">%%·Opens·backup·media·for·write</span><span·class="w"> | 180 | </span><span·class="c1">%%·Opens·backup·media·for·write</span><span·class="w"> |
| 181 | </span><span·class="c1">%%</span><span·class="w"> | 181 | </span><span·class="c1">%%</span><span·class="w"> |
| 182 | </span><span·class="c1">%%·Returns·{ok,·OpaqueData}·or·{error,·Reason}</span><span·class="w"> | 182 | </span><span·class="c1">%%·Returns·{ok,·OpaqueData}·or·{error,·Reason}</span><span·class="w"> |
| 183 | </span><span·class="nf">open_write</span><span·class="p"·data-group-id=" | 183 | </span><span·class="nf">open_write</span><span·class="p"·data-group-id="6228992101-7">(</span><span·class="n">OpaqueData</span><span·class="p"·data-group-id="6228992101-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 184 | ····</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OpaqueData</span><span·class="p">,</span><span·class="w"> | 184 | ····</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OpaqueData</span><span·class="p">,</span><span·class="w"> |
| 185 | ····</span><span·class="n">Tmp</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">concat</span><span·class="p"·data-group-id=" | 185 | ····</span><span·class="n">Tmp</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">concat</span><span·class="p"·data-group-id="6228992101-8">(</span><span·class="p"·data-group-id="6228992101-9">[</span><span·class="n">File</span><span·class="p">,</span><span·class="s">".BUPTMP"</span><span·class="p"·data-group-id="6228992101-9">]</span><span·class="p"·data-group-id="6228[·...·truncated·by·diffoscope;·len:·6,·SHA:·d8300446e5f04015b8e81a66c0cdf224380af464a28283418ad4b16ee967d051·...·]-8">)</span><span·class="p">,</span><span·class="w"> |
| 186 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id=" | 186 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id="6228992101-10">(</span><span·class="n">Tmp</span><span·class="p"·data-group-id="6228992101-10">)</span><span·class="p">,</span><span·class="w"> |
| 187 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id=" | 187 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="6228992101-11">(</span><span·class="p"·data-group-id="6228992101-12">[</span><span·class="p"·data-group-id="6228992101-13">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">make_ref</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·132,·SHA:·50564f7300ddcf8f82dfa2d5517a603ef58c678a5a45b2a88b5452abcf2b16df·...·]-13">}</span><span·class="p">,</span><span·class="w"> |
| 188 | ························</span><span·class="p"·data-group-id=" | 188 | ························</span><span·class="p"·data-group-id="6228992101-15">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tmp</span><span·class="p"·data-group-id="6228992101-15">}</span><span·class="p">,</span><span·class="w"> |
| 189 | ························</span><span·class="p"·data-group-id=" | 189 | ························</span><span·class="p"·data-group-id="6228992101-16">{</span><span·class="ss">repair</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="6228992101-16">}</span><span·class="p">,</span><span·class="w"> |
| 190 | ························</span><span·class="p"·data-group-id=" | 190 | ························</span><span·class="p"·data-group-id="6228992101-17">{</span><span·class="ss">linkto</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="6228992101-18">(</span><span·class="p"·data-group-id="6228992101-18">)</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·130,·SHA:·59de899595c840d4daea5a907529d295aca53847271669fe9f68e34585c8d698·...·]-11">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 191 | ········</span><span·class="p"·data-group-id=" | 191 | ········</span><span·class="p"·data-group-id="6228992101-19">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="6228992101-19">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 192 | ············</span><span·class="p"·data-group-id=" | 192 | ············</span><span·class="p"·data-group-id="6228992101-20">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p"·data-group-id="6228992101-21">{</span><span·class="ss">tmp_file</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·527,·SHA:·fae34de6b6834a4a52d84339536f0b42fdf8cd986603f86c4a2d7bf2b4217a99·...·]-20">}</span><span·class="p">;</span><span·class="w"> |
| 193 | ········</span><span·class="p"·data-group-id=" | 193 | ········</span><span·class="p"·data-group-id="6228992101-22">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-22">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 194 | ············</span><span·class="p"·data-group-id=" | 194 | ············</span><span·class="p"·data-group-id="6228992101-23">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-23">}</span><span·class="w"> |
| 195 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 195 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 196 | </span><span·class="c1">%%·Writes·BackupItems·to·the·backup·media</span><span·class="w"> | 196 | </span><span·class="c1">%%·Writes·BackupItems·to·the·backup·media</span><span·class="w"> |
| 197 | </span><span·class="c1">%%</span><span·class="w"> | 197 | </span><span·class="c1">%%</span><span·class="w"> |
| 198 | </span><span·class="c1">%%·Returns·{ok,·OpaqueData}·or·{error,·Reason}</span><span·class="w"> | 198 | </span><span·class="c1">%%·Returns·{ok,·OpaqueData}·or·{error,·Reason}</span><span·class="w"> |
| 199 | </span><span·class="nf">write</span><span·class="p"·data-group-id=" | 199 | </span><span·class="nf">write</span><span·class="p"·data-group-id="6228992101-24">(</span><span·class="n">OpaqueData</span><span·class="p">,</span><span·class="w">·</span><span·class="n">BackupItems</span><span·class="p"·data-group-id="6228992101-24">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 200 | ····</span><span·class="n">B</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OpaqueData</span><span·class="p">,</span><span·class="w"> | 200 | ····</span><span·class="n">B</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OpaqueData</span><span·class="p">,</span><span·class="w"> |
| 201 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">log_terms</span><span·class="p"·data-group-id=" | 201 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">log_terms</span><span·class="p"·data-group-id="6228992101-25">(</span><span·class="n">B</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p">.</span><span·class="ss">file_desc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">BackupItems</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·25,·SHA:·86b9ac23628660c3fdb433324870d68eb456d995188961a1e6ad0f4b2fb2a293·...·]-25">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 202 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 202 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 203 | ············</span><span·class="p"·data-group-id=" | 203 | ············</span><span·class="p"·data-group-id="6228992101-26">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">B</span><span·class="p"·data-group-id="6228992101-26">}</span><span·class="p">;</span><span·class="w"> |
| 204 | ········</span><span·class="p"·data-group-id=" | 204 | ········</span><span·class="p"·data-group-id="6228992101-27">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-27">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 205 | ············</span><span·class="nf">abort_write</span><span·class="p"·data-group-id=" | 205 | ············</span><span·class="nf">abort_write</span><span·class="p"·data-group-id="6228992101-28">(</span><span·class="n">B</span><span·class="p"·data-group-id="6228992101-28">)</span><span·class="p">,</span><span·class="w"> |
| 206 | ············</span><span·class="p"·data-group-id=" | 206 | ············</span><span·class="p"·data-group-id="6228992101-29">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-29">}</span><span·class="w"> |
| 207 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 207 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 208 | </span><span·class="c1">%%·Closes·the·backup·media·after·a·successful·backup</span><span·class="w"> | 208 | </span><span·class="c1">%%·Closes·the·backup·media·after·a·successful·backup</span><span·class="w"> |
| 209 | </span><span·class="c1">%%</span><span·class="w"> | 209 | </span><span·class="c1">%%</span><span·class="w"> |
| 210 | </span><span·class="c1">%%·Returns·{ok,·ReturnValueToUser}·or·{error,·Reason}</span><span·class="w"> | 210 | </span><span·class="c1">%%·Returns·{ok,·ReturnValueToUser}·or·{error,·Reason}</span><span·class="w"> |
| 211 | </span><span·class="nf">commit_write</span><span·class="p"·data-group-id=" | 211 | </span><span·class="nf">commit_write</span><span·class="p"·data-group-id="6228992101-30">(</span><span·class="n">OpaqueData</span><span·class="p"·data-group-id="6228992101-30">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 212 | ····</span><span·class="n">B</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OpaqueData</span><span·class="p">,</span><span·class="w"> | 212 | ····</span><span·class="n">B</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OpaqueData</span><span·class="p">,</span><span·class="w"> |
| 213 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">sync</span><span·class="p"·data-group-id=" | 213 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">sync</span><span·class="p"·data-group-id="6228992101-31">(</span><span·class="n">B</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p">.</span><span·class="ss">file_desc</span><span·class="p"·data-group-id="6228992101-31">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 214 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 214 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 215 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 215 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="6228992101-32">(</span><span·class="n">B</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p">.</span><span·class="ss">file_desc</span><span·class="p"·data-group-id="6228992101-32">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 216 | ················</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 216 | ················</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 217 | ····················</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id=" | 217 | ····················</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id="6228992101-33">(</span><span·class="n">B</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p">.</span><span·class="ss">file</span><span·class="p"·data-group-id="6228992101-33">)</span><span·class="p">,</span><span·class="w"> |
| 218 | ····················</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">rename</span><span·class="p"·data-group-id=" | 218 | ····················</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">rename</span><span·class="p"·data-group-id="6228992101-34">(</span><span·class="n">B</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p">.</span><span·class="ss">tmp_file</span><span·class="p">,</span><span·class="w">·</span><span·class="n">B</span><span·class="o">#</span><sp[·...·truncated·by·diffoscope;·len:·120,·SHA:·62c87bd7fdfa07d42b9b2f2e8aefcd14495b65fc53d16f9c2c6b8a980dda7f41·...·]-34">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 219 | ························</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 219 | ························</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | ····························</span><span·class="p"·data-group-id=" | 220 | ····························</span><span·class="p"·data-group-id="6228992101-35">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">B</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p">.</span><span·class="ss">file</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·20771918e4491afbe20254a1a04e6355954ad03e7a63ba3ded20173295f94255·...·]-35">}</span><span·class="p">;</span><span·class="w"> |
| 221 | ························</span><span·class="p"·data-group-id=" | 221 | ························</span><span·class="p"·data-group-id="6228992101-36">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-36">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 222 | ····························</span><span·class="p"·data-group-id=" | 222 | ····························</span><span·class="p"·data-group-id="6228992101-37">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-37">}</span><span·class="w"> |
| 223 | ····················</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 223 | ····················</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 224 | ················</span><span·class="p"·data-group-id=" | 224 | ················</span><span·class="p"·data-group-id="6228992101-38">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-38">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 225 | ····················</span><span·class="p"·data-group-id=" | 225 | ····················</span><span·class="p"·data-group-id="6228992101-39">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-39">}</span><span·class="w"> |
| 226 | ············</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 226 | ············</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 227 | ········</span><span·class="p"·data-group-id=" | 227 | ········</span><span·class="p"·data-group-id="6228992101-40">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-40">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 228 | ············</span><span·class="p"·data-group-id=" | 228 | ············</span><span·class="p"·data-group-id="6228992101-41">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-41">}</span><span·class="w"> |
| 229 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 229 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 230 | </span><span·class="c1">%%·Closes·the·backup·media·after·an·interrupted·backup</span><span·class="w"> | 230 | </span><span·class="c1">%%·Closes·the·backup·media·after·an·interrupted·backup</span><span·class="w"> |
| 231 | </span><span·class="c1">%%</span><span·class="w"> | 231 | </span><span·class="c1">%%</span><span·class="w"> |
| 232 | </span><span·class="c1">%%·Returns·{ok,·ReturnValueToUser}·or·{error,·Reason}</span><span·class="w"> | 232 | </span><span·class="c1">%%·Returns·{ok,·ReturnValueToUser}·or·{error,·Reason}</span><span·class="w"> |
| 233 | </span><span·class="nf">abort_write</span><span·class="p"·data-group-id=" | 233 | </span><span·class="nf">abort_write</span><span·class="p"·data-group-id="6228992101-42">(</span><span·class="n">BackupRef</span><span·class="p"·data-group-id="6228992101-42">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 234 | ····</span><span·class="n">Res</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 234 | ····</span><span·class="n">Res</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="6228992101-43">(</span><span·class="n">BackupRef</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p">.</span><span·class="ss">file_desc</span><span·class="p"·data-group-id="6228992101-43">)</span><span·class="p">,</span><span·class="w"> |
| 235 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id=" | 235 | ····</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id="6228992101-44">(</span><span·class="n">BackupRef</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p">.</span><span·class="ss">tmp_file</span><span·class="p"·data-group-id="6228992101-44">)</span><span·class="p">,</span><span·class="w"> |
| 236 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Res</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 236 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Res</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 237 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 237 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 238 | ············</span><span·class="p"·data-group-id=" | 238 | ············</span><span·class="p"·data-group-id="6228992101-45">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">BackupRef</span><span·class="o">#</span><span·class="ss">backup</span><span·class="p">.</span><span·class="ss">file</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·59ecf0482d35ffd6a1b3ecc2efb2ca63065b9ec77d2b2e659bb7c4e07910b10f·...·]-45">}</span><span·class="p">;</span><span·class="w"> |
| 239 | ········</span><span·class="p"·data-group-id=" | 239 | ········</span><span·class="p"·data-group-id="6228992101-46">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-46">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 240 | ············</span><span·class="p"·data-group-id=" | 240 | ············</span><span·class="p"·data-group-id="6228992101-47">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-47">}</span><span·class="w"> |
| 241 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 241 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 242 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> | 242 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> |
| 243 | </span><span·class="c1">%%·Restore·callback·interface</span><span·class="w"> | 243 | </span><span·class="c1">%%·Restore·callback·interface</span><span·class="w"> |
| 244 | </span><span·class="w"> | 244 | </span><span·class="w"> |
| 245 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 245 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6228992101-48">(</span><span·class="ss">restore</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6228992101-49">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">file_de[·...·truncated·by·diffoscope;·len:·180,·SHA:·427ef0745fc0c114066ae8cc004802632ab8d2b09852ebe656cfc7255c5f3c7b·...·]-48">)</span><span·class="p">.</span><span·class="w"> |
| 246 | </span><span·class="c1">%%·Opens·backup·media·for·read</span><span·class="w"> | 246 | </span><span·class="c1">%%·Opens·backup·media·for·read</span><span·class="w"> |
| 247 | </span><span·class="c1">%%</span><span·class="w"> | 247 | </span><span·class="c1">%%</span><span·class="w"> |
| 248 | </span><span·class="c1">%%·Returns·{ok,·OpaqueData}·or·{error,·Reason}</span><span·class="w"> | 248 | </span><span·class="c1">%%·Returns·{ok,·OpaqueData}·or·{error,·Reason}</span><span·class="w"> |
| 249 | </span><span·class="nf">open_read</span><span·class="p"·data-group-id=" | 249 | </span><span·class="nf">open_read</span><span·class="p"·data-group-id="6228992101-50">(</span><span·class="n">OpaqueData</span><span·class="p"·data-group-id="6228992101-50">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 250 | ····</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OpaqueData</span><span·class="p">,</span><span·class="w"> | 250 | ····</span><span·class="n">File</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">OpaqueData</span><span·class="p">,</span><span·class="w"> |
| 251 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">read_file_info</span><span·class="p"·data-group-id=" | 251 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">read_file_info</span><span·class="p"·data-group-id="6228992101-51">(</span><span·class="n">File</span><span·class="p"·data-group-id="6228992101-51">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 252 | ········</span><span·class="p"·data-group-id=" | 252 | ········</span><span·class="p"·data-group-id="6228992101-52">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-52">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 253 | ············</span><span·class="p"·data-group-id=" | 253 | ············</span><span·class="p"·data-group-id="6228992101-53">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-53">}</span><span·class="p">;</span><span·class="w"> |
| 254 | ········</span><span·class="p">_</span><span·class="n">FileInfo</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="c1">%%·file·exists</span><span·class="w"> | 254 | ········</span><span·class="p">_</span><span·class="n">FileInfo</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="c1">%%·file·exists</span><span·class="w"> |
| 255 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id=" | 255 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="6228992101-54">(</span><span·class="p"·data-group-id="6228992101-55">[</span><span·class="p"·data-group-id="6228992101-56">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="n">File</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·1dbba84c6d0d7e17850daaab4798099164730816e1f862eea7021f435e3ea8b2·...·]-56">}</span><span·class="p">,</span><span·class="w"> |
| 256 | ································</span><span·class="p"·data-group-id=" | 256 | ································</span><span·class="p"·data-group-id="6228992101-57">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">make_ref</span><span·class="p"·data-group-id="6228992101-58">(</span><span·class="p"·data-group-id="6228992101-58">)</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·24,·SHA:·83099a4d26eb71c853c5088edb6f76a0dd35df1960a165460d33421461b2a062·...·]-57">}</span><span·class="p">,</span><span·class="w"> |
| 257 | ································</span><span·class="p"·data-group-id=" | 257 | ································</span><span·class="p"·data-group-id="6228992101-59">{</span><span·class="ss">repair</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="6228992101-59">}</span><span·class="p">,</span><span·class="w"> |
| 258 | ································</span><span·class="p"·data-group-id=" | 258 | ································</span><span·class="p"·data-group-id="6228992101-60">{</span><span·class="ss">mode</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">read_only</span><span·class="p"·data-group-id="6228992101-60">}</span><span·class="p">,</span><span·class="w"> |
| 259 | ································</span><span·class="p"·data-group-id=" | 259 | ································</span><span·class="p"·data-group-id="6228992101-61">{</span><span·class="ss">linkto</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="6228992101-62">(</span><span·class="p"·data-group-id="6228992101-62">)</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·130,·SHA:·9f7c8a807a6993a7b2cc5b8664dc33842f9be0f13aa5c90e7c83565687c84174·...·]-54">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 260 | ················</span><span·class="p"·data-group-id=" | 260 | ················</span><span·class="p"·data-group-id="6228992101-63">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="6228992101-63">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 261 | ····················</span><span·class="p"·data-group-id=" | 261 | ····················</span><span·class="p"·data-group-id="6228992101-64">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">restore</span><span·class="p"·data-group-id="6228992101-65">{</span><span·class="ss">file</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·527,·SHA:·4a9ce66b645e42d50e3864751fe256d296956f26286271770f241e24c0105313·...·]-64">}</span><span·class="p">;</span><span·class="w"> |
| 262 | ················</span><span·class="p"·data-group-id=" | 262 | ················</span><span·class="p"·data-group-id="6228992101-66">{</span><span·class="ss">repaired</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·246,·SHA:·8eaa5af6ad9f848f2fb8fa6874d094a5d8006decb614d9f3a85999839b154788·...·]-66">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 263 | ····················</span><span·class="p"·data-group-id=" | 263 | ····················</span><span·class="p"·data-group-id="6228992101-68">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">restore</span><span·class="p"·data-group-id="6228992101-69">{</span><span·class="ss">file</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·527,·SHA:·fce19baffcfdea1d6e0179d87f17585167e00805369977c81c9f489010ebe02c·...·]-68">}</span><span·class="p">;</span><span·class="w"> |
| 264 | ················</span><span·class="p"·data-group-id=" | 264 | ················</span><span·class="p"·data-group-id="6228992101-70">{</span><span·class="ss">repaired</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·57,·SHA:·bd43ff443a3afd863f73af864213ac0db38b2ee4aa57b23b97b232ff71c9e1b8·...·]-70">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 265 | ····················</span><span·class="p"·data-group-id=" | 265 | ····················</span><span·class="p"·data-group-id="6228992101-71">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">restore</span><span·class="p"·data-group-id="6228992101-72">{</span><span·class="ss">file</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·527,·SHA:·77336d06d7cd4eb6e223348f14b680a50ef891b016411b6458058f1000613cb1·...·]-71">}</span><span·class="p">;</span><span·class="w"> |
| 266 | ················</span><span·class="p"·data-group-id=" | 266 | ················</span><span·class="p"·data-group-id="6228992101-73">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-73">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 267 | ····················</span><span·class="p"·data-group-id=" | 267 | ····················</span><span·class="p"·data-group-id="6228992101-74">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="6228992101-74">}</span><span·class="w"> |
| 268 | ············</span><span·class="k">end</span><span·class="w"> | 268 | ············</span><span·class="k">end</span><span·class="w"> |
| 269 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 269 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 270 | </span><span·class="c1">%%·Reads·BackupItems·from·the·backup·media</span><span·class="w"> | 270 | </span><span·class="c1">%%·Reads·BackupItems·from·the·backup·media</span><span·class="w"> |
| 271 | </span><span·class="c1">%%</span><span·class="w"> | 271 | </span><span·class="c1">%%</span><span·class="w"> |
| 272 | </span><span·class="c1">%%·Returns·{ok,·OpaqueData,·BackupItems}·or·{error,·Reason}</span><span·class="w"> | 272 | </span><span·class="c1">%%·Returns·{ok,·OpaqueData,·BackupItems}·or·{error,·Reason}</span><span·class="w"> |
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| Offset 127, 262 lines modified | Offset 127, 262 lines modified | ||
| 127 | <h2·id="mnesia_access-callback-behavior"·class="section-heading"> | 127 | <h2·id="mnesia_access-callback-behavior"·class="section-heading"> |
| 128 | ··<a·href="#mnesia_access-callback-behavior"·class="hover-link"> | 128 | ··<a·href="#mnesia_access-callback-behavior"·class="hover-link"> |
| 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 130 | ··</a> | 130 | ··</a> |
| 131 | ··<span·class="text">mnesia_access·Callback·Behavior</span> | 131 | ··<span·class="text">mnesia_access·Callback·Behavior</span> |
| 132 | </h2> | 132 | </h2> |
| 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7350749003-1">(</span><span·class="ss">mnesia_frag</span><span·class="p"·data-group-id="7350749003-1">)</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="c1">%%·Callback·functions·when·accessed·within·an·activity</span><span·class="w"> | 134 | </span><span·class="c1">%%·Callback·functions·when·accessed·within·an·activity</span><span·class="w"> |
| 135 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 135 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7350749003-2">(</span><span·class="p"·data-group-id="7350749003-3">[</span><span·class="w"> |
| 136 | ·········</span><span·class="ss">lock</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w"> | 136 | ·········</span><span·class="ss">lock</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w"> |
| 137 | ·········</span><span·class="ss">write</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">delete</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">delete_object</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w"> | 137 | ·········</span><span·class="ss">write</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">delete</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">delete_object</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w"> |
| 138 | ·········</span><span·class="ss">read</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">match_object</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">all_keys</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w"> | 138 | ·········</span><span·class="ss">read</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">match_object</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">all_keys</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w"> |
| 139 | ·········</span><span·class="ss">select</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">select</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">select_cont</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w"> | 139 | ·········</span><span·class="ss">select</span><span·class="p">/</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">select</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">select_cont</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w"> |
| 140 | ·········</span><span·class="ss">index_match_object</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">index_read</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w"> | 140 | ·········</span><span·class="ss">index_match_object</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">index_read</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w"> |
| 141 | ·········</span><span·class="ss">foldl</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foldr</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">table_info</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w"> | 141 | ·········</span><span·class="ss">foldl</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foldr</span><span·class="p">/</span><span·class="mi">6</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">table_info</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w"> |
| 142 | ·········</span><span·class="ss">first</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">next</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">prev</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">last</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w"> | 142 | ·········</span><span·class="ss">first</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">next</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">prev</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">last</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w"> |
| 143 | ·········</span><span·class="ss">clear_table</span><span·class="p">/</span><span·class="mi">4</span><span·class="w"> | 143 | ·········</span><span·class="ss">clear_table</span><span·class="p">/</span><span·class="mi">4</span><span·class="w"> |
| 144 | ········</span><span·class="p"·data-group-id=" | 144 | ········</span><span·class="p"·data-group-id="7350749003-3">]</span><span·class="p"·data-group-id="7350749003-2">)</span><span·class="p">.</span><span·class="w"> |
| 145 | </span><span·class="c1">%%·Callback·functions·which·provides·transparent</span><span·class="w"> | 145 | </span><span·class="c1">%%·Callback·functions·which·provides·transparent</span><span·class="w"> |
| 146 | </span><span·class="c1">%%·access·of·fragmented·tables·from·any·activity</span><span·class="w"> | 146 | </span><span·class="c1">%%·access·of·fragmented·tables·from·any·activity</span><span·class="w"> |
| 147 | </span><span·class="c1">%%·access·context.</span><span·class="w"> | 147 | </span><span·class="c1">%%·access·context.</span><span·class="w"> |
| 148 | </span><span·class="nf">lock</span><span·class="p"·data-group-id=" | 148 | </span><span·class="nf">lock</span><span·class="p"·data-group-id="7350749003-4">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7350749003-5">{</span><span·class="ss">table<[·...·truncated·by·diffoscope;·len:·276,·SHA:·a50dac9960c09df6cc17525c902ab0a99cf6ad7c3e7028ba9cbb0a78b03f49f2·...·]3-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 149 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id=" | 149 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id="7350749003-6">(</span><span·class="n">Tab</span><span·class="p"·data-group-id="7350749003-6">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 150 | ········</span><span·class="p"·data-group-id=" | 150 | ········</span><span·class="p"·data-group-id="7350749003-7">[</span><span·class="n">Tab</span><span·class="p"·data-group-id="7350749003-7">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 151 | ············</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">lock</span><span·class="p"·data-group-id=" | 151 | ············</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">lock</span><span·class="p"·data-group-id="7350749003-8">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7350749003-9">{</span><span·class="ss">table<[·...·truncated·by·diffoscope;·len:·252,·SHA:·27136cbb291fbce8df6e957fbc0cc4d6212b75f89faa709570d25802894cc4a3·...·]3-8">)</span><span·class="p">;</span><span·class="w"> |
| 152 | ········</span><span·class="n">Frags</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 152 | ········</span><span·class="n">Frags</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 153 | ············</span><span·class="n">DeepNs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 153 | ············</span><span·class="n">DeepNs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7350749003-10">[</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">lock</span><span·class="p"·data-group-id="7350749003-11">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">[·...·truncated·by·diffoscope;·len:·389,·SHA:·05fcc683529d25ac10a7a83fa18f9b1282516aae3a50f5bc0bf616d7dde7723e·...·]3-11">)</span><span·class="w">·</span><span·class="p">||</span><span·class="w"> |
| 154 | ·························</span><span·class="n">F</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="n">Frags</span><span·class="p"·data-group-id=" | 154 | ·························</span><span·class="n">F</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="n">Frags</span><span·class="p"·data-group-id="7350749003-10">]</span><span·class="p">,</span><span·class="w"> |
| 155 | ············</span><span·class="nc">mnesia_lib</span><span·class="p">:</span><span·class="nf">uniq</span><span·class="p"·data-group-id=" | 155 | ············</span><span·class="nc">mnesia_lib</span><span·class="p">:</span><span·class="nf">uniq</span><span·class="p"·data-group-id="7350749003-13">(</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="7350749003-14">(</span><span·class="n">DeepNs</span><span·class="p"·data-group-id="7350749003-14">)</span><span·class="[·...·truncated·by·diffoscope;·len:·27,·SHA:·a66735d21c4a6f4635a1abeab0721ffbc9dad6a2ce272320e86ec700cd5996f6·...·]3-13">)</span><span·class="w"> |
| 156 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 156 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 157 | </span><span·class="nf">lock</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nf">lock</span><span·class="p"·data-group-id="7350749003-15">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">LockItem</span><span·class="p">,</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·75,·SHA:·9371f6271931d7cd7df76a8075b4475f0331607560b4d65870b185f2d7d6c802·...·]3-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">lock</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">lock</span><span·class="p"·data-group-id="7350749003-16">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">LockItem</span><span·class="p">,</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·75,·SHA:·9371f6271931d7cd7df76a8075b4475f0331607560b4d65870b185f2d7d6c802·...·]3-16">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="nf">write</span><span·class="p"·data-group-id=" | 159 | </span><span·class="nf">write</span><span·class="p"·data-group-id="7350749003-17">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·144,·SHA:·cd6368640a333d52536ba624aff62d8c50858115ba84c4ed8249df018a62b1e7·...·]3-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 160 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">record_to_frag_name</span><span·class="p"·data-group-id=" | 160 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">record_to_frag_name</span><span·class="p"·data-group-id="7350749003-18">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Rec</span><span·class="p"·data-group-id="7350749003-18">)</span><span·class="p">,</span><span·class="w"> |
| 161 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 161 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="7350749003-19">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Frag</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·145,·SHA:·9963f57fda12e8a0581cc44fbf8469d675f87eac8323f13d974039125a933b74·...·]3-19">)</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="nf">delete</span><span·class="p"·data-group-id=" | 162 | </span><span·class="nf">delete</span><span·class="p"·data-group-id="7350749003-20">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·144,·SHA:·758aae75b133f6b068308596dc0e9b748e9cf7a866b4ff02db720d5ba1941dc9·...·]3-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 163 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">key_to_frag_name</span><span·class="p"·data-group-id=" | 163 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">key_to_frag_name</span><span·class="p"·data-group-id="7350749003-21">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="7350749003-21">)</span><span·class="p">,</span><span·class="w"> |
| 164 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id=" | 164 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id="7350749003-22">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Frag</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·145,·SHA:·53f9b8078a8efbc57097011bece75c36d01165e08031dff4fe74a2a33b9a2f6d·...·]3-22">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="nf">delete_object</span><span·class="p"·data-group-id=" | 165 | </span><span·class="nf">delete_object</span><span·class="p"·data-group-id="7350749003-23">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·144,·SHA:·cd6368640a333d52536ba624aff62d8c50858115ba84c4ed8249df018a62b1e7·...·]3-23">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 166 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">record_to_frag_name</span><span·class="p"·data-group-id=" | 166 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">record_to_frag_name</span><span·class="p"·data-group-id="7350749003-24">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Rec</span><span·class="p"·data-group-id="7350749003-24">)</span><span·class="p">,</span><span·class="w"> |
| 167 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">delete_object</span><span·class="p"·data-group-id=" | 167 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">delete_object</span><span·class="p"·data-group-id="7350749003-25">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Frag</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·145,·SHA:·9963f57fda12e8a0581cc44fbf8469d675f87eac8323f13d974039125a933b74·...·]3-25">)</span><span·class="p">.</span><span·class="w"> |
| 168 | </span><span·class="nf">read</span><span·class="p"·data-group-id=" | 168 | </span><span·class="nf">read</span><span·class="p"·data-group-id="7350749003-26">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·144,·SHA:·758aae75b133f6b068308596dc0e9b748e9cf7a866b4ff02db720d5ba1941dc9·...·]3-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 169 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">key_to_frag_name</span><span·class="p"·data-group-id=" | 169 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">key_to_frag_name</span><span·class="p"·data-group-id="7350749003-27">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="7350749003-27">)</span><span·class="p">,</span><span·class="w"> |
| 170 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">read</span><span·class="p"·data-group-id=" | 170 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">read</span><span·class="p"·data-group-id="7350749003-28">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Frag</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·145,·SHA:·53f9b8078a8efbc57097011bece75c36d01165e08031dff4fe74a2a33b9a2f6d·...·]3-28">)</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="nf">match_object</span><span·class="p"·data-group-id=" | 171 | </span><span·class="nf">match_object</span><span·class="p"·data-group-id="7350749003-29">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·148,·SHA:·10aa2c32ed87d2a8b92c12afd4c2321cd1ec763658f29906524701bc3ad170c7·...·]3-29">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 172 | ····</span><span·class="n">MatchSpec</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 172 | ····</span><span·class="n">MatchSpec</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7350749003-30">[</span><span·class="p"·data-group-id="7350749003-31">{</span><span·class="n">HeadPat</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7350749003-32">[</span><span·class="p"·data-group-id="7350749003-32">][·...·truncated·by·diffoscope;·len:·293,·SHA:·acf081e1ef096f3eb39b6c649985402a4b36a65ad88ad3414ecc0e75f97558c0·...·]3-30">]</span><span·class="p">,</span><span·class="w"> |
| 173 | ····</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 173 | ····</span><span·class="nf">select</span><span·class="p"·data-group-id="7350749003-34">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·150,·SHA:·ad6aa705b8bbac107b42620245a3d05e4195d569b66aa9b49b4e1444000f4d86·...·]3-34">)</span><span·class="p">.</span><span·class="w"> |
| 174 | </span><span·class="nf">select</span><span·class="p"·data-group-id=" | 174 | </span><span·class="nf">select</span><span·class="p"·data-group-id="7350749003-35">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·150,·SHA:·ad6aa705b8bbac107b42620245a3d05e4195d569b66aa9b49b4e1444000f4d86·...·]3-35">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 175 | ····</span><span·class="nf">do_select</span><span·class="p"·data-group-id=" | 175 | ····</span><span·class="nf">do_select</span><span·class="p"·data-group-id="7350749003-36">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·150,·SHA:·ad6aa705b8bbac107b42620245a3d05e4195d569b66aa9b49b4e1444000f4d86·...·]3-36">)</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="nf">select</span><span·class="p"·data-group-id=" | 176 | </span><span·class="nf">select</span><span·class="p"·data-group-id="7350749003-37">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·226,·SHA:·8c0b6ec42b89fcea91e3c6faefaec6eab71c15d3aae2e2a3608467ab551fa4e1·...·]3-37">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ····</span><span·class="nf">init_select</span><span·class="p"·data-group-id=" | 177 | ····</span><span·class="nf">init_select</span><span·class="p"·data-group-id="7350749003-38">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·226,·SHA:·8c0b6ec42b89fcea91e3c6faefaec6eab71c15d3aae2e2a3608467ab551fa4e1·...·]3-38">)</span><span·class="p">.</span><span·class="w"> |
| 178 | </span><span·class="nf">select_cont</span><span·class="p"·data-group-id=" | 178 | </span><span·class="nf">select_cont</span><span·class="p"·data-group-id="7350749003-39">(</span><span·class="p">_</span><span·class="n">Tid</span><span·class="p">,</span><span·class="p">_</span><span·class="p">,</span><span·class="p"·data-group-id="7350749003-40">{</span><span·class="ss">frag_cont</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·369,·SHA:·b9985604fee23b1b3f404ef604fb6dc45811efb66a1d45093cb802d0cb59cede·...·]3-39">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">'$end_of_table'</span><span·class="p">;</span><span·class="w"> |
| 179 | </span><span·class="nf">select_cont</span><span·class="p"·data-group-id=" | 179 | </span><span·class="nf">select_cont</span><span·class="p"·data-group-id="7350749003-42">(</span><span·class="n">Tid</span><span·class="p">,</span><span·class="n">Ts</span><span·class="p">,</span><span·class="p"·data-group-id="7350749003-43">{</span><span·class="ss">frag_cont</span><span·class="p">,</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·636,·SHA:·59d4d8f01c2b7a66ab8b854b78b3b079a80de21cc9c205829240f1aa77da2519·...·]3-42">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 180 | ····</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="p"·data-group-id="7350749003-46">{</span><span·class="n">Spec</span><span·class="p">,</span><span·class="n">LockKind</span><span·class="p">,</span><span·class="n">Limit</span><span·class="p"·data-group-id="7350749003-46">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Args</span><span·class="p">,</span><span·class="w"> |
| 181 | ····</span><span·class="n">InitFun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 181 | ····</span><span·class="n">InitFun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="7350749003-47">(</span><span·class="n">FixedSpec</span><span·class="p"·data-group-id="7350749003-47">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">[·...·truncated·by·diffoscope;·len:·351,·SHA:·b14f842f4f1d4e75a69c8d5825cc96031d0d46e77190e7504c922e3a47329543·...·]3-48">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 182 | ····</span><span·class="n">Res</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">fun_select</span><span·class="p"·data-group-id=" | 182 | ····</span><span·class="n">Res</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">fun_select</span><span·class="p"·data-group-id="7350749003-49">(</span><span·class="n">Tid</span><span·class="p">,</span><span·class="n">Ts</span><span·class="p">,</span><span·class="n">Tab</span><span·class="p">,</span><span·class="n">Spec</span><span·class="p">,</span><span·class="n">LockKind</span><s[·...·truncated·by·diffoscope;·len:·296,·SHA:·85380ec1e185222a8606dd5b43b2f60d94b207620dcf5bc9ddc58621d840f826·...·]3-49">)</span><span·class="p">,</span><span·class="w"> |
| 183 | ····</span><span·class="nf">frag_sel_cont</span><span·class="p"·data-group-id=" | 183 | ····</span><span·class="nf">frag_sel_cont</span><span·class="p"·data-group-id="7350749003-50">(</span><span·class="n">Res</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Rest</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Args</span><span·class="p"·data-group-id="7350749003-50">)</span><span·class="p">;</span><span·class="w"> |
| 184 | </span><span·class="nf">select_cont</span><span·class="p"·data-group-id=" | 184 | </span><span·class="nf">select_cont</span><span·class="p"·data-group-id="7350749003-51">(</span><span·class="n">Tid</span><span·class="p">,</span><span·class="n">Ts</span><span·class="p">,</span><span·class="p"·data-group-id="7350749003-52">{</span><span·class="ss">frag_cont</span><span·class="p">,</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·272,·SHA:·5b27105a9884fb4c92a7213a0525833d7f82055fa987992d5c52346e77d15b7d·...·]3-51">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 185 | ····</span><span·class="nf">frag_sel_cont</span><span·class="p"·data-group-id=" | 185 | ····</span><span·class="nf">frag_sel_cont</span><span·class="p"·data-group-id="7350749003-53">(</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">select_cont</span><span·class="p"·data-group-id="7350749003-54">(</span><span·class="n">Tid</span><span·class="p">,</span><span·class="n">Ts</span><span·class="p"[·...·truncated·by·diffoscope;·len:·232,·SHA:·4803ac9e7ff6c8bd73008a0fe7202564fbd5227c582fecb0afd75cf85d206221·...·]3-53">)</span><span·class="p">;</span><span·class="w"> |
| 186 | </span><span·class="nf">select_cont</span><span·class="p"·data-group-id=" | 186 | </span><span·class="nf">select_cont</span><span·class="p"·data-group-id="7350749003-55">(</span><span·class="n">Tid</span><span·class="p">,</span><span·class="n">Ts</span><span·class="p">,</span><span·class="n">Else</span><span·class="p"·data-group-id="7350749003-55">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 187 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">select_cont</span><span·class="p"·data-group-id=" | 187 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">select_cont</span><span·class="p"·data-group-id="7350749003-56">(</span><span·class="n">Tid</span><span·class="p">,</span><span·class="n">Ts</span><span·class="p">,</span><span·class="n">Else</span><span·class="p"·data-group-id="7350749003-56">)</span><span·class="p">.</span><span·class="w"> |
| 188 | </span><span·class="nf">all_keys</span><span·class="p"·data-group-id=" | 188 | </span><span·class="nf">all_keys</span><span·class="p"·data-group-id="7350749003-57">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·70,·SHA:·7f767c5b61b58290810996c8f26e8990b2d1662de93c09fed5391106b180e2fe·...·]3-57">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 189 | ····</span><span·class="n">Match</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 189 | ····</span><span·class="n">Match</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7350749003-58">[</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">all_keys</span><span·class="p"·data-group-id="7350749003-59">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class=[·...·truncated·by·diffoscope;·len:·211,·SHA:·81a995c1ab61c30b7dbb42871ae7ca7f3b577503fd6d53ff5d3b55f2da545a53·...·]3-59">)</span><span·class="w"> |
| 190 | ·············</span><span·class="p">||</span><span·class="w">·</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id=" | 190 | ·············</span><span·class="p">||</span><span·class="w">·</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id="7350749003-60">(</span><span·class="n">Tab</span><span·class="p"·data-group-id="7350749003-60">)</span><span·class="p"·data-group-id="7350749003-58">]</span><span·class="p">,</span><span·class="w"> |
| 191 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 191 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="7350749003-61">(</span><span·class="n">Match</span><span·class="p"·data-group-id="7350749003-61">)</span><span·class="p">.</span><span·class="w"> |
| 192 | </span><span·class="nf">clear_table</span><span·class="p"·data-group-id=" | 192 | </span><span·class="nf">clear_table</span><span·class="p"·data-group-id="7350749003-62">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·65,·SHA:·8a51be483dc8fbd78776e52f9f4f116a3640d062cd854db045f97bb645ad3377·...·]3-62">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 193 | ····</span><span·class="p"·data-group-id=" | 193 | ····</span><span·class="p"·data-group-id="7350749003-63">[</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">clear_table</span><span·class="p"·data-group-id="7350749003-64">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·608,·SHA:·095fe7484d1d706fe2d0b22d666729c2bb33f3edf04adff40efe448f4f12ead3·...·]3-63">]</span><span·class="p">,</span><span·class="w"> |
| 194 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 194 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 195 | </span><span·class="nf">index_match_object</span><span·class="p"·data-group-id=" | 195 | </span><span·class="nf">index_match_object</span><span·class="p"·data-group-id="7350749003-66">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·219,·SHA:·5c13187eab3ec063e5261b9489f7447f267001ef234021e2af3a422d315ea2e8·...·]3-66">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 196 | ····</span><span·class="n">Match</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 196 | ····</span><span·class="n">Match</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 197 | ········</span><span·class="p"·data-group-id=" | 197 | ········</span><span·class="p"·data-group-id="7350749003-67">[</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">index_match_object</span><span·class="p"·data-group-id="7350749003-68">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·370,·SHA:·f37b8d7584e144f1a8dc5f6d3964cdf15cc45aba90df03190dee7183310fde80·...·]3-68">)</span><span·class="w"> |
| 198 | ·········</span><span·class="p">||</span><span·class="w">·</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id=" | 198 | ·········</span><span·class="p">||</span><span·class="w">·</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id="7350749003-69">(</span><span·class="n">Tab</span><span·class="p"·data-group-id="7350749003-69">)</span><span·class="p"·data-group-id="7350749003-67">]</span><span·class="p">,</span><span·class="w"> |
| 199 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 199 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="7350749003-70">(</span><span·class="n">Match</span><span·class="p"·data-group-id="7350749003-70">)</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="nf">index_read</span><span·class="p"·data-group-id=" | 200 | </span><span·class="nf">index_read</span><span·class="p"·data-group-id="7350749003-71">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·219,·SHA:·7723dd3cf4e4ef7a555be441115ff4bf542f1ae9f055111e57273624243d2ae6·...·]3-71">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 201 | ····</span><span·class="n">Match</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 201 | ····</span><span·class="n">Match</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 202 | ········</span><span·class="p"·data-group-id=" | 202 | ········</span><span·class="p"·data-group-id="7350749003-72">[</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">index_read</span><span·class="p"·data-group-id="7350749003-73">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·362,·SHA:·abc33b7d032ee51805382bc0806a0904f891da204509842f89da9135ba0bd193·...·]3-73">)</span><span·class="w"> |
| 203 | ·········</span><span·class="p">||</span><span·class="w">·</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id=" | 203 | ·········</span><span·class="p">||</span><span·class="w">·</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id="7350749003-74">(</span><span·class="n">Tab</span><span·class="p"·data-group-id="7350749003-74">)</span><span·class="p"·data-group-id="7350749003-72">]</span><span·class="p">,</span><span·class="w"> |
| 204 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="7350749003-75">(</span><span·class="n">Match</span><span·class="p"·data-group-id="7350749003-75">)</span><span·class="p">.</span><span·class="w"> |
| 205 | </span><span·class="nf">foldl</span><span·class="p"·data-group-id=" | 205 | </span><span·class="nf">foldl</span><span·class="p"·data-group-id="7350749003-76">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·218,·SHA:·b25a2c2a5c89ce8e24d7157d85ea56f499b1f4ca95282a607e354d9c62ee0be8·...·]3-76">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 206 | ····</span><span·class="n">Fun2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 206 | ····</span><span·class="n">Fun2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="7350749003-77">(</span><span·class="n">Frag</span><span·class="p">,</span><span·class="w">·</span><span·class="n">A</span><span·class="p"·data-group-id="7350749003-77">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 207 | ···················</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id=" | 207 | ···················</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="7350749003-78">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·217,·SHA:·cb279159a39fbae5737df2e18f49c4aab347ef54755f6286b3bcdfd07e958465·...·]3-78">)</span><span·class="w"> |
| 208 | ···········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 208 | ···········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 209 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id=" | 209 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="7350749003-79">(</span><span·class="n">Fun2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id="7350749003-80">(</s[·...·truncated·by·diffoscope;·len:·124,·SHA:·ebfe94a65fb80dda0baa0266f1394d158870ba1ede9abc5dc12cbcbc190f9691·...·]3-79">)</span><span·class="p">.</span><span·class="w"> |
| 210 | </span><span·class="nf">foldr</span><span·class="p"·data-group-id=" | 210 | </span><span·class="nf">foldr</span><span·class="p"·data-group-id="7350749003-81">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·218,·SHA:·b25a2c2a5c89ce8e24d7157d85ea56f499b1f4ca95282a607e354d9c62ee0be8·...·]3-81">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 211 | ····</span><span·class="n">Fun2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 211 | ····</span><span·class="n">Fun2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="7350749003-82">(</span><span·class="n">Frag</span><span·class="p">,</span><span·class="w">·</span><span·class="n">A</span><span·class="p"·data-group-id="7350749003-82">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 212 | ···················</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id=" | 212 | ···················</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id="7350749003-83">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·217,·SHA:·cb279159a39fbae5737df2e18f49c4aab347ef54755f6286b3bcdfd07e958465·...·]3-83">)</span><span·class="w"> |
| 213 | ···········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 213 | ···········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 214 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id=" | 214 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id="7350749003-84">(</span><span·class="n">Fun2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">frag_names</span><span·class="p"·data-group-id="7350749003-85">(</s[·...·truncated·by·diffoscope;·len:·124,·SHA:·0e5b3646c99b49bda31e59b4952ed15c45ac8ac930aef363afa6afa29b6abc47·...·]3-84">)</span><span·class="p">.</span><span·class="w"> |
| 215 | </span><span·class="nf">table_info</span><span·class="p"·data-group-id=" | 215 | </span><span·class="nf">table_info</span><span·class="p"·data-group-id="7350749003-86">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7350749003-87">{</span><span·class="n">Tab</[·...·truncated·by·diffoscope;·len:·248,·SHA:·0a16f33e90dc271142ff309a53566e948c7857c2b46c590bca30184ef4852d89·...·]3-86">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 216 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">key_to_frag_name</span><span·class="p"·data-group-id=" | 216 | ····</span><span·class="n">Frag</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">key_to_frag_name</span><span·class="p"·data-group-id="7350749003-88">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="7350749003-88">)</span><span·class="p">,</span><span·class="w"> |
| 217 | ····</span><span·class="nf">table_info2</span><span·class="p"·data-group-id=" | 217 | ····</span><span·class="nf">table_info2</span><span·class="p"·data-group-id="7350749003-89">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·141,·SHA:·15e88ff467561ce3331059f56d91e46c06496550dd6bf88b0362e3052aba088a·...·]3-89">)</span><span·class="p">;</span><span·class="w"> |
| 218 | </span><span·class="nf">table_info</span><span·class="p"·data-group-id=" | 218 | </span><span·class="nf">table_info</span><span·class="p"·data-group-id="7350749003-90">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·66,·SHA:·af14704127bfa0c6b2d65ce99daa0cd99825b191c33e85b373f2bfd0d305aa31·...·]3-90">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 219 | ····</span><span·class="nf">table_info2</span><span·class="p"·data-group-id=" | 219 | ····</span><span·class="nf">table_info2</span><span·class="p"·data-group-id="7350749003-91">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·140,·SHA:·00b6d9be15bf8285adce3dff838c18d6ab6c4d3ba4bb15431f4119a648d62bf4·...·]3-91">)</span><span·class="p">.</span><span·class="w"> |
| 220 | </span><span·class="nf">table_info2</span><span·class="p"·data-group-id=" | 220 | </span><span·class="nf">table_info2</span><span·class="p"·data-group-id="7350749003-92">(</span><span·class="n">ActivityId</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Opaque</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·141,·SHA:·15e88ff467561ce3331059f56d91e46c06496550dd6bf88b0362e3052aba088a·...·]3-92">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 221 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Item</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 221 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Item</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 222 | ········</span><span·class="nb">size</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 222 | ········</span><span·class="nb">size</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 223 | ············</span><span·class="n">SumFun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 223 | ············</span><span·class="n">SumFun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="7350749003-93">(</span><span·class="p"·data-group-id="7350749003-94">{</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Size</span><span·class="p"·data-group-id="7350749003-94">}</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·88,·SHA:·ccdfc5bb86f791b9d6c56ad88c8db8ea05934e106c9a1f810aa2f6e45017a7ef·...·]3-93">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Acc</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Size</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 224 | ············</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id=" | 224 | ············</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="7350749003-95">(</span><span·class="n">SumFun</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">frag_size</span><span·class="p"·data-group-id="7350749003-96">(</s[·...·truncated·by·diffoscope;·len:·282,·SHA:·e0d344f7da29660e2b2fd7c3531dde40c8df3454fc5f1de7e6d701f7f825488b·...·]3-95">)</span><span·class="p">;</span><span·class="w"> |
| 225 | ········</span><span·class="nb">memory</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 225 | ········</span><span·class="nb">memory</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 226 | ············</span><span·class="n">SumFun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 226 | ············</span><span·class="n">SumFun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="7350749003-97">(</span><span·class="p"·data-group-id="7350749003-98">{</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Size</span><span·class="p"·data-group-id="7350749003-98">}</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·88,·SHA:·ccdfc5bb86f791b9d6c56ad88c8db8ea05934e106c9a1f810aa2f6e45017a7ef·...·]3-97">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Acc</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Size</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 227 | ············</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id=" | 227 | ············</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="7350749003-99">(</span><span·class="n">SumFun</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">frag_memory</span><span·class="p"·data-group-id="7350749003-100">([·...·truncated·by·diffoscope;·len:·286,·SHA:·4c647cc07fc9714b4fd9eb98fbfa5992715cf64a85418bc4b213dc077b171c90·...·]3-99">)</span><span·class="p">;</span><span·class="w"> |
| 228 | ········</span><span·class="ss">base_table</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 228 | ········</span><span·class="ss">base_table</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 229 | ············</span><span·class="nf">lookup_prop</span><span·class="p"·data-group-id=" | 229 | ············</span><span·class="nf">lookup_prop</span><span·class="p"·data-group-id="7350749003-101">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">base_table</span><span·class="p"·data-group-id="7350749003-101">)</span><span·class="p">;</span><span·class="w"> |
| 230 | ········</span><span·class="ss">node_pool</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 230 | ········</span><span·class="ss">node_pool</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 231 | ············</span><span·class="nf">lookup_prop</span><span·class="p"·data-group-id=" | 231 | ············</span><span·class="nf">lookup_prop</span><span·class="p"·data-group-id="7350749003-102">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">node_pool</span><span·class="p"·data-group-id="7350749003-102">)</span><span·class="p">;</span><span·class="w"> |
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| 127 | <h2·id="mnesia_frag_hash-callback-behavior"·class="section-heading"> | 127 | <h2·id="mnesia_frag_hash-callback-behavior"·class="section-heading"> |
| 128 | ··<a·href="#mnesia_frag_hash-callback-behavior"·class="hover-link"> | 128 | ··<a·href="#mnesia_frag_hash-callback-behavior"·class="hover-link"> |
| 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 130 | ··</a> | 130 | ··</a> |
| 131 | ··<span·class="text">mnesia_frag_hash·Callback·Behavior</span> | 131 | ··<span·class="text">mnesia_frag_hash·Callback·Behavior</span> |
| 132 | </h2> | 132 | </h2> |
| 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1696995935-1">(</span><span·class="ss">mnesia_frag_hash</span><span·class="p"·data-group-id="1696995935-1">)</span><span·class="p">.</span><span·class="w"> |
| 134 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id=" | 134 | </span><span·class="p">-</span><span·class="na">compile</span><span·class="p"·data-group-id="1696995935-2">(</span><span·class="p"·data-group-id="1696995935-3">[</span><span·class="p"·data-group-id="1696995935-4">{</span><span·class="ss">nowarn_deprecated_function</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·461,·SHA:·5dbc1afd85bb1460b64196111101605993c2a5e1912a4f102c86d221115800cd·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 135 | </span><span·class="c1">%%·Fragmented·Table·Hashing·callback·functions</span><span·class="w"> | 135 | </span><span·class="c1">%%·Fragmented·Table·Hashing·callback·functions</span><span·class="w"> |
| 136 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 136 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1696995935-7">(</span><span·class="p"·data-group-id="1696995935-8">[</span><span·class="w"> |
| 137 | ·········</span><span·class="ss">init_state</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> | 137 | ·········</span><span·class="ss">init_state</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 138 | ·········</span><span·class="ss">add_frag</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 138 | ·········</span><span·class="ss">add_frag</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 139 | ·········</span><span·class="ss">del_frag</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 139 | ·········</span><span·class="ss">del_frag</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 140 | ·········</span><span·class="ss">key_to_frag_number</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> | 140 | ·········</span><span·class="ss">key_to_frag_number</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 141 | ·········</span><span·class="ss">match_spec_to_frag_numbers</span><span·class="p">/</span><span·class="mi">2</span><span·class="w"> | 141 | ·········</span><span·class="ss">match_spec_to_frag_numbers</span><span·class="p">/</span><span·class="mi">2</span><span·class="w"> |
| 142 | ········</span><span·class="p"·data-group-id=" | 142 | ········</span><span·class="p"·data-group-id="1696995935-8">]</span><span·class="p"·data-group-id="1696995935-7">)</span><span·class="p">.</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="2519076084-1">(</span><span·class="ss">hash_state</span><span·class="p">,</span><span·class="w"> |
| 143 | ····</span><span·class="p"·data-group-id=" | 143 | ····</span><span·class="p"·data-group-id="2519076084-2">{</span><span·class="ss">n_fragments</span><span·class="p">,</span><span·class="w"> |
| 144 | ·····</span><span·class="ss">next_n_to_split</span><span·class="p">,</span><span·class="w"> | 144 | ·····</span><span·class="ss">next_n_to_split</span><span·class="p">,</span><span·class="w"> |
| 145 | ·····</span><span·class="ss">n_doubles</span><span·class="p">,</span><span·class="w"> | 145 | ·····</span><span·class="ss">n_doubles</span><span·class="p">,</span><span·class="w"> |
| 146 | ·····</span><span·class="ss">function</span><span·class="p"·data-group-id=" | 146 | ·····</span><span·class="ss">function</span><span·class="p"·data-group-id="2519076084-2">}</span><span·class="p"·data-group-id="2519076084-1">)</span><span·class="p">.</span><span·class="w"> |
| 147 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> | 147 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> |
| 148 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">init_state</span><span·class="p"·data-group-id=" | 148 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">init_state</span><span·class="p"·data-group-id="2519076084-3">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="2519076084-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">NewState</span><span·class="w">·</span><span·class="k">when</span><span·class="w"> |
| 149 | ······</span><span·class="n">Tab</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 149 | ······</span><span·class="n">Tab</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="2519076084-4">(</span><span·class="p"·data-group-id="2519076084-4">)</span><span·class="p">,</span><span·class="w"> |
| 150 | ······</span><span·class="n">State</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 150 | ······</span><span·class="n">State</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2519076084-5">(</span><span·class="p"·data-group-id="2519076084-5">)</span><span·class="p">,</span><span·class="w"> |
| 151 | ······</span><span·class="n">NewState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 151 | ······</span><span·class="n">NewState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2519076084-6">(</span><span·class="p"·data-group-id="2519076084-6">)</span><span·class="p">.</span><span·class="w"> |
| 152 | </span><span·class="nf">init_state</span><span·class="p"·data-group-id=" | 152 | </span><span·class="nf">init_state</span><span·class="p"·data-group-id="2519076084-7">(</span><span·class="p">_</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="2519076084-7">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">State</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 153 | ····</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id=" | 153 | ····</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-8">{</span><span·class="ss">n_fragments</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 154 | ················</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 154 | ················</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 155 | ················</span><span·class="ss">n_doubles</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> | 155 | ················</span><span·class="ss">n_doubles</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 156 | ················</span><span·class="ss">function</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="nb">phash2</span><span·class="p"·data-group-id=" | 156 | ················</span><span·class="ss">function</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="nb">phash2</span><span·class="p"·data-group-id="2519076084-8">}</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="nf">convert_old_state</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nf">convert_old_state</span><span·class="p"·data-group-id="2519076084-9">(</span><span·class="p"·data-group-id="2519076084-10">{</span><span·class="ss">hash_state</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">P</span><s[·...·truncated·by·diffoscope;·len:·165,·SHA:·c84cc05d5b6c36e1f9d999c6791569a1db8ec9ffce1987e05c7118c0ab3b0a4b·...·]-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ····</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-11">{</span><span·class="ss">n_fragments</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="n">N</span><span·class="p">,</span><span·class="w"> |
| 159 | ················</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="p">,</span><span·class="w"> | 159 | ················</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="p">,</span><span·class="w"> |
| 160 | ················</span><span·class="ss">n_doubles</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L</span><span·class="p">,</span><span·class="w"> | 160 | ················</span><span·class="ss">n_doubles</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L</span><span·class="p">,</span><span·class="w"> |
| 161 | ················</span><span·class="ss">function</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="nb">phash</span><span·class="p"·data-group-id=" | 161 | ················</span><span·class="ss">function</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="nb">phash</span><span·class="p"·data-group-id="2519076084-11">}</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> | 162 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> |
| 163 | </span><span·class="w"> | 163 | </span><span·class="w"> |
| 164 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">add_frag</span><span·class="p"·data-group-id=" | 164 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">add_frag</span><span·class="p"·data-group-id="2519076084-12">(</span><span·class="n">State</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2519076084-13">(</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·453,·SHA:·794a355cc25ceebcb0675d2e1199d57123837fa75fa49ff3905122678c4b8640·...·]-14">}</span><span·class="w">·</span><span·class="k">when</span><span·class="w"> |
| 165 | ······</span><span·class="n">NewState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 165 | ······</span><span·class="n">NewState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2519076084-15">(</span><span·class="p"·data-group-id="2519076084-15">)</span><span·class="p">,</span><span·class="w"> |
| 166 | ······</span><span·class="n">IterFrags</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 166 | ······</span><span·class="n">IterFrags</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="2519076084-16">[</span><span·class="nf">integer</span><span·class="p"·data-group-id="2519076084-17">(</span><span·class="p"·data-group-id="2519076084-17">)</span><span·class="p"·data-group-id="2519076084-16">]</span><span·class="p">,</span><span·class="w"> |
| 167 | ······</span><span·class="n">AdditionalLockFrags</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 167 | ······</span><span·class="n">AdditionalLockFrags</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="2519076084-18">[</span><span·class="nf">integer</span><span·class="p"·data-group-id="2519076084-19">(</span><span·class="p"·data-group-id="2519076084-19">)</span><span·class="p"·data-group-id="2519076084-18">]</span><span·class="p">.</span><span·class="w"> |
| 168 | </span><span·class="nf">add_frag</span><span·class="p"·data-group-id=" | 168 | </span><span·class="nf">add_frag</span><span·class="p"·data-group-id="2519076084-20">(</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-21">{</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·570,·SHA:·2f7c4834a9da72defb0904bac05943d434189e5c768444f60174059d738d2499·...·]-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 169 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">SplitN</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 169 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">SplitN</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 170 | ····</span><span·class="n">NewN</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 170 | ····</span><span·class="n">NewN</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 171 | ····</span><span·class="n">State2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id=" | 171 | ····</span><span·class="n">State2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id="2519076084-22">(</span><span·class="n">L</span><span·class="p"·data-group-id="2519076084-22">)</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 172 | ········</span><span·class="n">P2</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">P2</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="n">P</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 172 | ········</span><span·class="n">P2</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">P2</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="n">P</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 173 | ············</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id=" | 173 | ············</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-23">{</span><span·class="ss">n_fragments</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="n">NewN</span><span·class="p">,</span><span·class="w"> |
| 174 | ·····························</span><span·class="ss">n_doubles</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 174 | ·····························</span><span·class="ss">n_doubles</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 175 | ·····························</span><span·class="ss">next_n_to_split</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id=" | 175 | ·····························</span><span·class="ss">next_n_to_split</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="2519076084-23">}</span><span·class="p">;</span><span·class="w"> |
| 176 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 176 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ············</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id=" | 177 | ············</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-24">{</span><span·class="ss">n_fragments</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="n">NewN</span><span·class="p">,</span><span·class="w"> |
| 178 | ·····························</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="p"·data-group-id=" | 178 | ·····························</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="p"·data-group-id="2519076084-24">}</span><span·class="w"> |
| 179 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 179 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 180 | ····</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="p"·data-group-id="2519076084-25">{</span><span·class="n">State2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2519076084-26">[</span><span·class="n">SplitN</span><span·class="p"·data-group-id="2519076084-26">]</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·205,·SHA:·aeda491f120e663ad5afdabbe864aad33b84d26a81115849cb56f724c8ff7c19·...·]-25">}</span><span·class="p">;</span><span·class="w"> |
| 181 | </span><span·class="nf">add_frag</span><span·class="p"·data-group-id=" | 181 | </span><span·class="nf">add_frag</span><span·class="p"·data-group-id="2519076084-28">(</span><span·class="n">OldState</span><span·class="p"·data-group-id="2519076084-28">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 182 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">convert_old_state</span><span·class="p"·data-group-id=" | 182 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">convert_old_state</span><span·class="p"·data-group-id="2519076084-29">(</span><span·class="n">OldState</span><span·class="p"·data-group-id="2519076084-29">)</span><span·class="p">,</span><span·class="w"> |
| 183 | ····</span><span·class="nf">add_frag</span><span·class="p"·data-group-id=" | 183 | ····</span><span·class="nf">add_frag</span><span·class="p"·data-group-id="2519076084-30">(</span><span·class="n">State</span><span·class="p"·data-group-id="2519076084-30">)</span><span·class="p">.</span><span·class="w"> |
| 184 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> | 184 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> |
| 185 | </span><span·class="w"> | 185 | </span><span·class="w"> |
| 186 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">del_frag</span><span·class="p"·data-group-id=" | 186 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">del_frag</span><span·class="p"·data-group-id="2519076084-31">(</span><span·class="n">State</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2519076084-32">(</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·453,·SHA:·73398796026e13e2575dd08556427e46de29f329612f802cb757600abf2512c5·...·]-33">}</span><span·class="w">·</span><span·class="k">when</span><span·class="w"> |
| 187 | ······</span><span·class="n">NewState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 187 | ······</span><span·class="n">NewState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2519076084-34">(</span><span·class="p"·data-group-id="2519076084-34">)</span><span·class="p">,</span><span·class="w"> |
| 188 | ······</span><span·class="n">IterFrags</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 188 | ······</span><span·class="n">IterFrags</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="2519076084-35">[</span><span·class="nf">integer</span><span·class="p"·data-group-id="2519076084-36">(</span><span·class="p"·data-group-id="2519076084-36">)</span><span·class="p"·data-group-id="2519076084-35">]</span><span·class="p">,</span><span·class="w"> |
| 189 | ······</span><span·class="n">AdditionalLockFrags</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 189 | ······</span><span·class="n">AdditionalLockFrags</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="2519076084-37">[</span><span·class="nf">integer</span><span·class="p"·data-group-id="2519076084-38">(</span><span·class="p"·data-group-id="2519076084-38">)</span><span·class="p"·data-group-id="2519076084-37">]</span><span·class="p">.</span><span·class="w"> |
| 190 | </span><span·class="nf">del_frag</span><span·class="p"·data-group-id=" | 190 | </span><span·class="nf">del_frag</span><span·class="p"·data-group-id="2519076084-39">(</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-40">{</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·570,·SHA:·d8901eb8d9243a4621e97737c595bc9e0b7e8e136040b248c9fd3ff9653549b5·...·]-39">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 191 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">SplitN</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 191 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">SplitN</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 192 | ····</span><span·class="k">if</span><span·class="w"> | 192 | ····</span><span·class="k">if</span><span·class="w"> |
| 193 | ········</span><span·class="n">P</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">1</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 193 | ········</span><span·class="n">P</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">1</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 194 | ············</span><span·class="n">L2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 194 | ············</span><span·class="n">L2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 195 | ············</span><span·class="n">MergeN</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id=" | 195 | ············</span><span·class="n">MergeN</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id="2519076084-41">(</span><span·class="n">L2</span><span·class="p"·data-group-id="2519076084-41">)</span><span·class="p">,</span><span·class="w"> |
| 196 | ············</span><span·class="n">State2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id=" | 196 | ············</span><span·class="n">State2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-42">{</span><span·class="ss">n_fragments</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 197 | ······································</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">MergeN</span><span·class="p">,</span><span·class="w"> | 197 | ······································</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">MergeN</span><span·class="p">,</span><span·class="w"> |
| 198 | ······································</span><span·class="ss">n_doubles</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L2</span><span·class="p"·data-group-id=" | 198 | ······································</span><span·class="ss">n_doubles</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="n">L2</span><span·class="p"·data-group-id="2519076084-42">}</span><span·class="p">,</span><span·class="w"> |
| 199 | ············</span><span·class="p"·data-group-id=" | 199 | ············</span><span·class="p"·data-group-id="2519076084-43">{</span><span·class="n">State2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2519076084-44">[</span><span·class="n">N</span><span·class="p"·data-group-id="2519076084-44">]</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·202,·SHA:·1f66ae41d46630d27fbbbdd2849b9d4fbf108029cefe3fa3a75c07f9c21c853a·...·]-43">}</span><span·class="p">;</span><span·class="w"> |
| 200 | ········</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 200 | ········</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 201 | ············</span><span·class="n">MergeN</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="p">,</span><span·class="w"> | 201 | ············</span><span·class="n">MergeN</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">P</span><span·class="p">,</span><span·class="w"> |
| 202 | ············</span><span·class="n">State2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id=" | 202 | ············</span><span·class="n">State2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-46">{</span><span·class="ss">n_fragments</span><span·class="w">·····</span><span·class="o">=</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 203 | ······································</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">MergeN</span><span·class="p"·data-group-id=" | 203 | ······································</span><span·class="ss">next_n_to_split</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">MergeN</span><span·class="p"·data-group-id="2519076084-46">}</span><span·class="p">,</span><span·class="w"> |
| 204 | ············</span><span·class="p"·data-group-id=" | 204 | ············</span><span·class="p"·data-group-id="2519076084-47">{</span><span·class="n">State2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2519076084-48">[</span><span·class="n">N</span><span·class="p"·data-group-id="2519076084-48">]</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·202,·SHA:·162a5da43d259a073bc27f331f21c3e9454ce08f7b02838d79f9e2c63002f988·...·]-47">}</span><span·class="w"> |
| 205 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 205 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 206 | </span><span·class="nf">del_frag</span><span·class="p"·data-group-id=" | 206 | </span><span·class="nf">del_frag</span><span·class="p"·data-group-id="2519076084-50">(</span><span·class="n">OldState</span><span·class="p"·data-group-id="2519076084-50">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 207 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">convert_old_state</span><span·class="p"·data-group-id=" | 207 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">convert_old_state</span><span·class="p"·data-group-id="2519076084-51">(</span><span·class="n">OldState</span><span·class="p"·data-group-id="2519076084-51">)</span><span·class="p">,</span><span·class="w"> |
| 208 | ····</span><span·class="nf">del_frag</span><span·class="p"·data-group-id=" | 208 | ····</span><span·class="nf">del_frag</span><span·class="p"·data-group-id="2519076084-52">(</span><span·class="n">State</span><span·class="p"·data-group-id="2519076084-52">)</span><span·class="p">.</span><span·class="w"> |
| 209 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> | 209 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> |
| 210 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id=" | 210 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id="2519076084-53">(</span><span·class="n">State</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="2519076084-53">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Fragnum</span><span·class="w">·</span><span·class="k">when</span><span·class="w"> |
| 211 | ······</span><span·class="n">State</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 211 | ······</span><span·class="n">State</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2519076084-54">(</span><span·class="p"·data-group-id="2519076084-54">)</span><span·class="p">,</span><span·class="w"> |
| 212 | ······</span><span·class="n">Key</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 212 | ······</span><span·class="n">Key</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2519076084-55">(</span><span·class="p"·data-group-id="2519076084-55">)</span><span·class="p">,</span><span·class="w"> |
| 213 | ······</span><span·class="n">Fragnum</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id=" | 213 | ······</span><span·class="n">Fragnum</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="2519076084-56">(</span><span·class="p"·data-group-id="2519076084-56">)</span><span·class="p">.</span><span·class="w"> |
| 214 | </span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id=" | 214 | </span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id="2519076084-57">(</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-58">{</span><span·class="ss">function</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nb">[·...·truncated·by·diffoscope;·len:·537,·SHA:·68866e7cb6acc2f70e4b77a3fe3ce09a40e43c80d788c1a162a142989a0b0bfb·...·]-57">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 215 | ····</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">phash</span><span·class="p"·data-group-id=" | 215 | ····</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">phash</span><span·class="p"·data-group-id="2519076084-59">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id="2519076084-60">(</span><span·class="n">L</span><span·class="w">·</span><span·class="o">+</span><sp[·...·truncated·by·diffoscope;·len:·141,·SHA:·365a967c3616507c1bbfa4e263945362ababdb111d4d9adab92091a1dffb3c45·...·]-59">)</span><span·class="p">,</span><span·class="w"> |
| 216 | ····</span><span·class="k">if</span><span·class="w"> | 216 | ····</span><span·class="k">if</span><span·class="w"> |
| 217 | ········</span><span·class="n">A</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 217 | ········</span><span·class="n">A</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 218 | ············</span><span·class="n">A</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id=" | 218 | ············</span><span·class="n">A</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id="2519076084-61">(</span><span·class="n">L</span><span·class="p"·data-group-id="2519076084-61">)</span><span·class="p">;</span><span·class="w"> |
| 219 | ········</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 219 | ········</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | ············</span><span·class="n">A</span><span·class="w"> | 220 | ············</span><span·class="n">A</span><span·class="w"> |
| 221 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 221 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 222 | </span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id=" | 222 | </span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id="2519076084-62">(</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-63">{</span><span·class="ss">function</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nb">[·...·truncated·by·diffoscope;·len:·538,·SHA:·9e8d5065d64939699df7277658892c031c5a6e0d42d3b44c3b3a04efd520f029·...·]-62">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 223 | ····</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">phash2</span><span·class="p"·data-group-id=" | 223 | ····</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">phash2</span><span·class="p"·data-group-id="2519076084-64">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id="2519076084-65">(</span><span·class="n">L</span><span·class="w">·</span><span·class="o">+</span><sp[·...·truncated·by·diffoscope;·len:·141,·SHA:·522c56c3d3652103a93f35ac0cec95a4e6fb1b45cd4f2deb0429b1384663e01d·...·]-64">)</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 224 | ····</span><span·class="k">if</span><span·class="w"> | 224 | ····</span><span·class="k">if</span><span·class="w"> |
| 225 | ········</span><span·class="n">A</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 225 | ········</span><span·class="n">A</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 226 | ············</span><span·class="n">A</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id=" | 226 | ············</span><span·class="n">A</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="nf">power2</span><span·class="p"·data-group-id="2519076084-66">(</span><span·class="n">L</span><span·class="p"·data-group-id="2519076084-66">)</span><span·class="p">;</span><span·class="w"> |
| 227 | ········</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 227 | ········</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 228 | ············</span><span·class="n">A</span><span·class="w"> | 228 | ············</span><span·class="n">A</span><span·class="w"> |
| 229 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 229 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 230 | </span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id=" | 230 | </span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id="2519076084-67">(</span><span·class="n">OldState</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="2519076084-67">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 231 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">convert_old_state</span><span·class="p"·data-group-id=" | 231 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">convert_old_state</span><span·class="p"·data-group-id="2519076084-68">(</span><span·class="n">OldState</span><span·class="p"·data-group-id="2519076084-68">)</span><span·class="p">,</span><span·class="w"> |
| 232 | ····</span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id=" | 232 | ····</span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id="2519076084-69">(</span><span·class="n">State</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="2519076084-69">)</span><span·class="p">.</span><span·class="w"> |
| 233 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> | 233 | </span><span·class="c1">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span><span·class="w"> |
| 234 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">match_spec_to_frag_numbers</span><span·class="p"·data-group-id=" | 234 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">match_spec_to_frag_numbers</span><span·class="p"·data-group-id="2519076084-70">(</span><span·class="n">State</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MatchSpec</span><span·class="p"·data-group-id="2519076084-70">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Fragnums</span><span·class="w">·</span><span·class="k">when</span><span·class="w"> |
| 235 | ······</span><span·class="n">State</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 235 | ······</span><span·class="n">State</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="2519076084-71">(</span><span·class="p"·data-group-id="2519076084-71">)</span><span·class="p">,</span><span·class="w"> |
| 236 | ······</span><span·class="n">MatchSpec</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_spec</span><span·class="p"·data-group-id=" | 236 | ······</span><span·class="n">MatchSpec</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_spec</span><span·class="p"·data-group-id="2519076084-72">(</span><span·class="p"·data-group-id="2519076084-72">)</span><span·class="p">,</span><span·class="w"> |
| 237 | ······</span><span·class="n">Fragnums</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 237 | ······</span><span·class="n">Fragnums</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="2519076084-73">[</span><span·class="nf">integer</span><span·class="p"·data-group-id="2519076084-74">(</span><span·class="p"·data-group-id="2519076084-74">)</span><span·class="p"·data-group-id="2519076084-73">]</span><span·class="p">.</span><span·class="w"> |
| 238 | </span><span·class="nf">match_spec_to_frag_numbers</span><span·class="p"·data-group-id=" | 238 | </span><span·class="nf">match_spec_to_frag_numbers</span><span·class="p"·data-group-id="2519076084-75">(</span><span·class="o">#</span><span·class="ss">hash_state</span><span·class="p"·data-group-id="2519076084-76">{</span><span·class="ss">n_fragments</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n[·...·truncated·by·diffoscope;·len:·285,·SHA:·3a88a3e7cd5c8dc812fa91fd86026dc50d533d72fe93dc45527de5202dda908a·...·]-75">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 239 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">MatchSpec</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 239 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="n">MatchSpec</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 240 | ········</span><span·class="p"·data-group-id=" | 240 | ········</span><span·class="p"·data-group-id="2519076084-77">[</span><span·class="p"·data-group-id="2519076084-78">{</span><span·class="n">HeadPat</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span[·...·truncated·by·diffoscope;·len:·555,·SHA:·de0c3ad3ba344c1e70be774b96e275d7fa8f7bfa1d3662499b79e515a87d5293·...·]-80">)</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">2</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 241 | ············</span><span·class="n">KeyPat</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 241 | ············</span><span·class="n">KeyPat</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id="2519076084-81">(</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">HeadPat</span><span·class="p"·data-group-id="2519076084-81">)</span><span·class="p">,</span><span·class="w"> |
| 242 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">has_var</span><span·class="p"·data-group-id=" | 242 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">has_var</span><span·class="p"·data-group-id="2519076084-82">(</span><span·class="n">KeyPat</span><span·class="p"·data-group-id="2519076084-82">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 243 | ················</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 243 | ················</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 244 | ····················</span><span·class="p"·data-group-id=" | 244 | ····················</span><span·class="p"·data-group-id="2519076084-83">[</span><span·class="nf">key_to_frag_number</span><span·class="p"·data-group-id="2519076084-84">(</span><span·class="n">State</span><span·class="p">,</span><span·class="w">·</span><span·class="n">KeyPat</span><span·class="p"·data-group-id="2[·...·truncated·by·diffoscope;·len:·63,·SHA:·c5f169bd7f56b88dc71fca0125b8a54d0817deb12f03cea437933f9404160356·...·]-83">]</span><span·class="p">;</span><span·class="w"> |
| 245 | ················</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 245 | ················</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
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| 209 | ······<p·class="built-using"> | 209 | ······<p·class="built-using"> |
| 210 | ········Built·using | 210 | ········Built·using |
| 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 213 | ······</p> | 213 | ······</p> |
| 214 | <p>Copyright·©·1996-202 | 214 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 215 | ····</footer> | 215 | ····</footer> |
| 216 | ··</div> | 216 | ··</div> |
| 217 | </main> | 217 | </main> |
| 218 | </div> | 218 | </div> |
| 219 | <script> | 219 | <script> |
| 220 | ··function·mermaidLoaded()·{ | 220 | ··function·mermaidLoaded()·{ |
| 221 | ····mermaid.initialize({ | 221 | ····mermaid.initialize({ |
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| 133 | ··<a·href="#starting-mnesia-for-the-first-time"·class="hover-link"> | 133 | ··<a·href="#starting-mnesia-for-the-first-time"·class="hover-link"> |
| 134 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 134 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 135 | ··</a> | 135 | ··</a> |
| 136 | ··<span·class="text">Starting·Mnesia·for·the·First·Time</span> | 136 | ··<span·class="text">Starting·Mnesia·for·the·First·Time</span> |
| 137 | </h2> | 137 | </h2> |
| 138 | <p>This·section·provides·a·simplified·demonstration·of·a·<code·class="inline">Mnesia</code>·system·startup. | 138 | <p>This·section·provides·a·simplified·demonstration·of·a·<code·class="inline">Mnesia</code>·system·startup. |
| 139 | The·dialogue·from·the·Erlang·shell·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-mnesia·dir·'"/tmp/funky"'</span><span·class="w"> | 139 | The·dialogue·from·the·Erlang·shell·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-mnesia·dir·'"/tmp/funky"'</span><span·class="w"> |
| 140 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id=" | 140 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-1">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">15.1</span><span·class="p">.</span><span·class="mi">2</span><span·class="p"·data-group-id="7570263330-1">]</span><span·class="w"> |
| 141 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id=" | 141 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-2">(</span><span·class="ss">press</span><span·class="w">·</span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">G</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">abort</span><sp[·...·truncated·by·diffoscope;·len:·399,·SHA:·66f12ecb441954eb00ea3f9d2aedce17f23b027bb98c4cfd0e3f276c7cd0976a·...·]-2">)</span><span·class="gp·unselectable"> |
| 142 | 1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id=" | 142 | 1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id="7570263330-4">(</span><span·class="p"·data-group-id="7570263330-5">[</span><span·class="nf">node</span><span·class="p"·data-group-id="7570263330-6">(</span><span·class="p"·data-group-id="7570263330-6">)</span><span·class="p"·data-group-id="7570263330-5">]<[·...·truncated·by·diffoscope;·len:·47,·SHA:·dd8ddcf64d5eb90415c5598fa8100f33386da19ba83471dab189cf70d38852a1·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 143 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 143 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 144 | 2>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 144 | 2>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="7570263330-7">(</span><span·class="p"·data-group-id="7570263330-7">)</span><span·class="p">.</span><span·class="w"> |
| 145 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 145 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 146 | 3>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 146 | 3>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="7570263330-8">(</span><span·class="ss">funky</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-9">[</span><span·class="p"·data-group-id="7570263330-9">]</span><span·class="p"·data-group-id="7570263330-8">)</span><span·class="p">.</span><span·class="w"> |
| 147 | </span><span·class="p"·data-group-id=" | 147 | </span><span·class="p"·data-group-id="7570263330-10">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="7570263330-10">}</span><span·class="gp·unselectable"> |
| 148 | 4>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">info</span><span·class="p"·data-group-id=" | 148 | 4>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">info</span><span·class="p"·data-group-id="7570263330-11">(</span><span·class="p"·data-group-id="7570263330-11">)</span><span·class="p">.</span><span·class="w"> |
| 149 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Processes</span><span·class="w">·</span><span·class="ss">holding</span><span·class="w">·</span><span·class="ss">locks</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· | 149 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Processes</span><span·class="w">·</span><span·class="ss">holding</span><span·class="w">·</span><span·class="ss">locks</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· |
| 150 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Processes</span><span·class="w">·</span><span·class="ss">waiting</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">locks</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· | 150 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Processes</span><span·class="w">·</span><span·class="ss">waiting</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">locks</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· |
| 151 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Participant</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· | 151 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Participant</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· |
| 152 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Coordinator</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w"> | 152 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Coordinator</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w"> |
| 153 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Uncertain</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· | 153 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Uncertain</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· |
| 154 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Active</span><span·class="w">·</span><span·class="ss">tables</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· | 154 | </span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Active</span><span·class="w">·</span><span·class="ss">tables</span><span·class="w">·</span><span·class="o"><-</span><span·class="o">--</span><span·class="w">· |
| 155 | </span><span·class="ss">funky</span><span·class="w">··········</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">········</span><span·class="ss">records</span><span·class="w">·</span><span·class="ss">occupying</span><span·class="w">·</span><span·class="mi">305</span><span·class="w">······</span><span·class="ss">words</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">mem</span><span·class="w"> | 155 | </span><span·class="ss">funky</span><span·class="w">··········</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">········</span><span·class="ss">records</span><span·class="w">·</span><span·class="ss">occupying</span><span·class="w">·</span><span·class="mi">305</span><span·class="w">······</span><span·class="ss">words</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">mem</span><span·class="w"> |
| 156 | </span><span·class="ss">schema</span><span·class="w">·········</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="mi">2</span><span·class="w">········</span><span·class="ss">records</span><span·class="w">·</span><span·class="ss">occupying</span><span·class="w">·</span><span·class="mi">533</span><span·class="w">······</span><span·class="ss">words</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">mem</span><span·class="w"> | 156 | </span><span·class="ss">schema</span><span·class="w">·········</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="mi">2</span><span·class="w">········</span><span·class="ss">records</span><span·class="w">·</span><span·class="ss">occupying</span><span·class="w">·</span><span·class="mi">533</span><span·class="w">······</span><span·class="ss">words</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">mem</span><span·class="w"> |
| 157 | </span><span·class="o">==</span><span·class="p">=></span><span·class="w">·</span><span·class="n">System</span><span·class="w">·</span><span·class="ss">info</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">version</span><span·class="w">·</span><span·class="s">"4.23.2"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">debug</span><span·class="w">·</span><span·class="ss">level</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">none</span><span·class="w">·</span><span·class="o"><=</span><span·class="o">==</span><span·class="w"> | 157 | </span><span·class="o">==</span><span·class="p">=></span><span·class="w">·</span><span·class="n">System</span><span·class="w">·</span><span·class="ss">info</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">version</span><span·class="w">·</span><span·class="s">"4.23.2"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">debug</span><span·class="w">·</span><span·class="ss">level</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">none</span><span·class="w">·</span><span·class="o"><=</span><span·class="o">==</span><span·class="w"> |
| 158 | </span><span·class="ss">opt_disc</span><span·class="p">.</span><span·class="w">·</span><span·class="n">Directory</span><span·class="w">·</span><span·class="s">"/tmp/funky"</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">used</span><span·class="p">.</span><span·class="w"> | 158 | </span><span·class="ss">opt_disc</span><span·class="p">.</span><span·class="w">·</span><span·class="n">Directory</span><span·class="w">·</span><span·class="s">"/tmp/funky"</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">used</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="ss">use</span><span·class="w">·</span><span·class="ss">fallback</span><span·class="w">·</span><span·class="ss">at</span><span·class="w">·</span><span·class="ss">restart</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="w"> | 159 | </span><span·class="ss">use</span><span·class="w">·</span><span·class="ss">fallback</span><span·class="w">·</span><span·class="ss">at</span><span·class="w">·</span><span·class="ss">restart</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="w"> |
| 160 | </span><span·class="ss">running</span><span·class="w">·</span><span·class="ss">db</span><span·class="w">·</span><span·class="nb">nodes</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 160 | </span><span·class="ss">running</span><span·class="w">·</span><span·class="ss">db</span><span·class="w">·</span><span·class="nb">nodes</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-12">[</span><span·class="ss">nonode@nohost</span><span·class="p"·data-group-id="7570263330-12">]</span><span·class="w"> |
| 161 | </span><span·class="ss">stopped</span><span·class="w">·</span><span·class="ss">db</span><span·class="w">·</span><span·class="nb">nodes</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 161 | </span><span·class="ss">stopped</span><span·class="w">·</span><span·class="ss">db</span><span·class="w">·</span><span·class="nb">nodes</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-13">[</span><span·class="p"·data-group-id="7570263330-13">]</span><span·class="w"> |
| 162 | </span><span·class="ss">master</span><span·class="w">·</span><span·class="nb">node</span><span·class="w">·</span><span·class="ss">tables</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 162 | </span><span·class="ss">master</span><span·class="w">·</span><span·class="nb">node</span><span·class="w">·</span><span·class="ss">tables</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-14">[</span><span·class="p"·data-group-id="7570263330-14">]</span><span·class="w"> |
| 163 | </span><span·class="ss">remote</span><span·class="w">·············</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 163 | </span><span·class="ss">remote</span><span·class="w">·············</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-15">[</span><span·class="p"·data-group-id="7570263330-15">]</span><span·class="w"> |
| 164 | </span><span·class="ss">ram_copies</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 164 | </span><span·class="ss">ram_copies</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-16">[</span><span·class="ss">funky</span><span·class="p"·data-group-id="7570263330-16">]</span><span·class="w"> |
| 165 | </span><span·class="ss">disc_copies</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 165 | </span><span·class="ss">disc_copies</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-17">[</span><span·class="ss">schema</span><span·class="p"·data-group-id="7570263330-17">]</span><span·class="w"> |
| 166 | </span><span·class="ss">disc_only_copies</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 166 | </span><span·class="ss">disc_only_copies</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-18">[</span><span·class="p"·data-group-id="7570263330-18">]</span><span·class="w"> |
| 167 | </span><span·class="p"·data-group-id=" | 167 | </span><span·class="p"·data-group-id="7570263330-19">[</span><span·class="p"·data-group-id="7570263330-20">{</span><span·class="ss">nonode@nohost</span><span·class="p">,</span><span·class="ss">disc_copies</span><span·class="p"·data-group-id="7570263330-20">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·222,·SHA:·7181c44d222034095c82039bdad7378462c9bf0068d40a3d6a681db50bdca068·...·]-21">]</span><span·class="w"> |
| 168 | </span><span·class="p"·data-group-id=" | 168 | </span><span·class="p"·data-group-id="7570263330-22">[</span><span·class="p"·data-group-id="7570263330-23">{</span><span·class="ss">nonode@nohost</span><span·class="p">,</span><span·class="ss">ram_copies</span><span·class="p"·data-group-id="7570263330-23">}</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·220,·SHA:·d0b6f322fb92453588e18a50c0704beba1ff4675292ab5cd30ca11ffbd066972·...·]-24">]</span><span·class="w"> |
| 169 | </span><span·class="mi">3</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="ss">committed</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">aborted</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">restarted</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="w">·</span><span·class="ss">logged</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">disc</span><span·class="w"> | 169 | </span><span·class="mi">3</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="ss">committed</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">aborted</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">restarted</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="w">·</span><span·class="ss">logged</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">disc</span><span·class="w"> |
| 170 | </span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">held</span><span·class="w">·</span><span·class="ss">locks</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">queue</span><span·class="p">;</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">local</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">remote</span><span·class="w"> | 170 | </span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">held</span><span·class="w">·</span><span·class="ss">locks</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">queue</span><span·class="p">;</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">local</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">remote</span><span·class="w"> |
| 171 | </span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="ss">waits</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">other</span><span·class="w">·</span><span·class="nc">nodes</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 171 | </span><span·class="mi">0</span><span·class="w">·</span><span·class="ss">transactions</span><span·class="w">·</span><span·class="ss">waits</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">other</span><span·class="w">·</span><span·class="nc">nodes</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="7570263330-25">[</span><span·class="p"·data-group-id="7570263330-25">]</span><span·class="w"> |
| 172 | </span><span·class="ss">ok</span></code></pre><p>In·this·example,·the·following·actions·are·performed:</p><ul><li><em>Step·1:</em>·The·Erlang·system·is·started·from·the·UNIX·prompt·with·a·flag | 172 | </span><span·class="ss">ok</span></code></pre><p>In·this·example,·the·following·actions·are·performed:</p><ul><li><em>Step·1:</em>·The·Erlang·system·is·started·from·the·UNIX·prompt·with·a·flag |
| 173 | <code·class="inline">-mnesia·dir·'"/tmp/funky"'</code>,·which·indicates·in·which·directory·to·store·the | 173 | <code·class="inline">-mnesia·dir·'"/tmp/funky"'</code>,·which·indicates·in·which·directory·to·store·the |
| 174 | data.</li><li><em>Step·2:</em>·A·new·empty·schema·is·initialized·on·the·local·node·by·evaluating | 174 | data.</li><li><em>Step·2:</em>·A·new·empty·schema·is·initialized·on·the·local·node·by·evaluating |
| 175 | <a·href="mnesia.html#create_schema/1"><code·class="inline">mnesia:create_schema([node()])</code></a>.·The·schema | 175 | <a·href="mnesia.html#create_schema/1"><code·class="inline">mnesia:create_schema([node()])</code></a>.·The·schema |
| 176 | contains·information·about·the·database·in·general.·This·is·explained·in | 176 | contains·information·about·the·database·in·general.·This·is·explained·in |
| 177 | detail·later.</li><li><em>Step·3:</em>·The·DBMS·is·started·by·evaluating | 177 | detail·later.</li><li><em>Step·3:</em>·The·DBMS·is·started·by·evaluating |
| 178 | <a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a>.</li><li><em>Step·4:</em>·A·first·table·is·created,·called·<code·class="inline">funky</code>,·by·evaluating·the | 178 | <a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a>.</li><li><em>Step·4:</em>·A·first·table·is·created,·called·<code·class="inline">funky</code>,·by·evaluating·the |
| Offset 225, 36 lines modified | Offset 225, 36 lines modified | ||
| 225 | relationship.</li></ol></li></ul><h3·id="defining-structure-and-content"·class="section-heading"> | 225 | relationship.</li></ol></li></ul><h3·id="defining-structure-and-content"·class="section-heading"> |
| 226 | ··<a·href="#defining-structure-and-content"·class="hover-link"> | 226 | ··<a·href="#defining-structure-and-content"·class="hover-link"> |
| 227 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 227 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 228 | ··</a> | 228 | ··</a> |
| 229 | ··<span·class="text">Defining·Structure·and·Content</span> | 229 | ··<span·class="text">Defining·Structure·and·Content</span> |
| 230 | </h3> | 230 | </h3> |
| 231 | <p>First·the·record·definitions·are·entered·into·a·text·file·named·<code·class="inline">company.hrl</code>. | 231 | <p>First·the·record·definitions·are·entered·into·a·text·file·named·<code·class="inline">company.hrl</code>. |
| 232 | This·file·defines·the·following·structure·for·the·example·database:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 232 | This·file·defines·the·following·structure·for·the·example·database:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6607205675-1">(</span><span·class="ss">employee</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6607205675-2">{</span><span·class="ss">emp_no</span><span·class="p">,</span><span·class="w"> |
| 233 | ···················</span><span·class="ss">name</span><span·class="p">,</span><span·class="w"> | 233 | ···················</span><span·class="ss">name</span><span·class="p">,</span><span·class="w"> |
| 234 | ···················</span><span·class="ss">salary</span><span·class="p">,</span><span·class="w"> | 234 | ···················</span><span·class="ss">salary</span><span·class="p">,</span><span·class="w"> |
| 235 | ···················</span><span·class="ss">sex</span><span·class="p">,</span><span·class="w"> | 235 | ···················</span><span·class="ss">sex</span><span·class="p">,</span><span·class="w"> |
| 236 | ···················</span><span·class="ss">phone</span><span·class="p">,</span><span·class="w"> | 236 | ···················</span><span·class="ss">phone</span><span·class="p">,</span><span·class="w"> |
| 237 | ···················</span><span·class="ss">room_no</span><span·class="p"·data-group-id=" | 237 | ···················</span><span·class="ss">room_no</span><span·class="p"·data-group-id="6607205675-2">}</span><span·class="p"·data-group-id="6607205675-1">)</span><span·class="p">.</span><span·class="w"> |
| 238 | </span><span·class="w"> | 238 | </span><span·class="w"> |
| 239 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 239 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6607205675-3">(</span><span·class="ss">dept</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6607205675-4">{</span><span·class="ss">id</span><span·class="p">,</span><span·class="w"> |
| 240 | ···············</span><span·class="ss">name</span><span·class="p"·data-group-id=" | 240 | ···············</span><span·class="ss">name</span><span·class="p"·data-group-id="6607205675-4">}</span><span·class="p"·data-group-id="6607205675-3">)</span><span·class="p">.</span><span·class="w"> |
| 241 | </span><span·class="w"> | 241 | </span><span·class="w"> |
| 242 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 242 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6607205675-5">(</span><span·class="ss">project</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6607205675-6">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w"> |
| 243 | ··················</span><span·class="ss">number</span><span·class="p"·data-group-id=" | 243 | ··················</span><span·class="ss">number</span><span·class="p"·data-group-id="6607205675-6">}</span><span·class="p"·data-group-id="6607205675-5">)</span><span·class="p">.</span><span·class="w"> |
| 244 | </span><span·class="w"> | 244 | </span><span·class="w"> |
| 245 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 245 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6607205675-7">(</span><span·class="ss">manager</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6607205675-8">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="w"> |
| 246 | ··················</span><span·class="ss">dept</span><span·class="p"·data-group-id=" | 246 | ··················</span><span·class="ss">dept</span><span·class="p"·data-group-id="6607205675-8">}</span><span·class="p"·data-group-id="6607205675-7">)</span><span·class="p">.</span><span·class="w"> |
| 247 | </span><span·class="w"> | 247 | </span><span·class="w"> |
| 248 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 248 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6607205675-9">(</span><span·class="ss">at_dep</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6607205675-10">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="w"> |
| 249 | ·················</span><span·class="ss">dept_id</span><span·class="p"·data-group-id=" | 249 | ·················</span><span·class="ss">dept_id</span><span·class="p"·data-group-id="6607205675-10">}</span><span·class="p"·data-group-id="6607205675-9">)</span><span·class="p">.</span><span·class="w"> |
| 250 | </span><span·class="w"> | 250 | </span><span·class="w"> |
| 251 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 251 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="6607205675-11">(</span><span·class="ss">in_proj</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6607205675-12">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="w"> |
| 252 | ··················</span><span·class="ss">proj_name</span><span·class="p"·data-group-id=" | 252 | ··················</span><span·class="ss">proj_name</span><span·class="p"·data-group-id="6607205675-12">}</span><span·class="p"·data-group-id="6607205675-11">)</span><span·class="p">.</span></code></pre><p>The·structure·defines·six·tables·in·the·database.·In·<code·class="inline">Mnesia</code>,·the·function |
| 253 | <a·href="mnesia.html#create_table/2"><code·class="inline">mnesia:create_table(Name,·Opts)</code></a>·creates·tables. | 253 | <a·href="mnesia.html#create_table/2"><code·class="inline">mnesia:create_table(Name,·Opts)</code></a>·creates·tables. |
| 254 | <code·class="inline">Name</code>·is·the·table·name.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·current·version·of·<code·class="inline">Mnesia</code>·does·not·require·that·the·name·of·the·table·is | 254 | <code·class="inline">Name</code>·is·the·table·name.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·current·version·of·<code·class="inline">Mnesia</code>·does·not·require·that·the·name·of·the·table·is |
| 255 | the·same·as·the·record·name,·see | 255 | the·same·as·the·record·name,·see |
| 256 | <a·href="mnesia_chap4.html#recordnames_tablenames">Record·Names·versus·Table·Names.</a>.</p></section><p>For·example,·the·table·for·employees·is·created·with·the·function | 256 | <a·href="mnesia_chap4.html#recordnames_tablenames">Record·Names·versus·Table·Names.</a>.</p></section><p>For·example,·the·table·for·employees·is·created·with·the·function |
| 257 | <code·class="inline">mnesia:create_table(employee,·[{attributes,·record_info(fields,·employee)}])</code>. | 257 | <code·class="inline">mnesia:create_table(employee,·[{attributes,·record_info(fields,·employee)}])</code>. |
| 258 | The·table·name·<code·class="inline">employee</code>·matches·the·name·for·records·specified·in·<code·class="inline">Opts</code>. | 258 | The·table·name·<code·class="inline">employee</code>·matches·the·name·for·records·specified·in·<code·class="inline">Opts</code>. |
| 259 | The·expression·<code·class="inline">record_info(fields,·RecordName)</code>·is·processed·by·the·Erlang | 259 | The·expression·<code·class="inline">record_info(fields,·RecordName)</code>·is·processed·by·the·Erlang |
| Offset 263, 52 lines modified | Offset 263, 52 lines modified | ||
| 263 | ··<a·href="#program"·class="hover-link"> | 263 | ··<a·href="#program"·class="hover-link"> |
| 264 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 264 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 265 | ··</a> | 265 | ··</a> |
| 266 | ··<span·class="text">Program</span> | 266 | ··<span·class="text">Program</span> |
| 267 | </h3> | 267 | </h3> |
| 268 | <p>The·following·shell·interaction·starts·<code·class="inline">Mnesia</code>·and·initializes·the·schema·for | 268 | <p>The·following·shell·interaction·starts·<code·class="inline">Mnesia</code>·and·initializes·the·schema·for |
| 269 | the·<code·class="inline">Company</code>·database:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-mnesia·dir·'"/ldisc/scratch/Mnesia.Company"'</span><span·class="w"> | 269 | the·<code·class="inline">Company</code>·database:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·erl·-mnesia·dir·'"/ldisc/scratch/Mnesia.Company"'</span><span·class="w"> |
| 270 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id="01 | 270 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id="9201699539-1">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">15.1</span><span·class="p">.</span><span·class="mi">2</span><span·class="p"·data-group-id="9201699539-1">]</span><span·class="w"> |
| 271 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id="01 | 271 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id="9201699539-2">(</span><span·class="ss">press</span><span·class="w">·</span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">G</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">abort</span><sp[·...·truncated·by·diffoscope;·len:·399,·SHA:·ff5b8af2f6cdf35578f56cc28c4e007bb8a1b9e3e4d962bd7aea3939f4e95981·...·]-2">)</span><span·class="gp·unselectable"> |
| 272 | 1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id="01 | 272 | 1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id="9201699539-4">(</span><span·class="p"·data-group-id="9201699539-5">[</span><span·class="nf">node</span><span·class="p"·data-group-id="9201699539-6">(</span><span·class="p"·data-group-id="9201699539-6">)</span><span·class="p"·data-group-id="9201699539-5">]<[·...·truncated·by·diffoscope;·len:·47,·SHA:·648b3b4d6577108c3ca573800abf87df7811f89c119f643efceb8049d559d2de·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 273 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 273 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 274 | 2>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="01 | 274 | 2>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="9201699539-7">(</span><span·class="p"·data-group-id="9201699539-7">)</span><span·class="p">.</span><span·class="w"> |
| 275 | </span><span·class="ss">ok</span></code></pre><p>The·following·program·module·creates·and·populates·previously·defined·tables:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 275 | </span><span·class="ss">ok</span></code></pre><p>The·following·program·module·creates·and·populates·previously·defined·tables:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="3044617827-1">(</span><span·class="s">"stdlib/include/qlc.hrl"</span><span·class="p"·data-group-id="3044617827-1">)</span><span·class="p">.</span><span·class="w"> |
| 276 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 276 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="3044617827-2">(</span><span·class="s">"company.hrl"</span><span·class="p"·data-group-id="3044617827-2">)</span><span·class="p">.</span><span·class="w"> |
| 277 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 277 | </span><span·class="nf">init</span><span·class="p"·data-group-id="3044617827-3">(</span><span·class="p"·data-group-id="3044617827-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 278 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 278 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="3044617827-4">(</span><span·class="ss">employee</span><span·class="p">,</span><span·class="w"> |
| 279 | ························</span><span·class="p"·data-group-id=" | 279 | ························</span><span·class="p"·data-group-id="3044617827-5">[</span><span·class="p"·data-group-id="3044617827-6">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="3044617827-7">(</span><span·class[·...·truncated·by·diffoscope;·len:·299,·SHA:·fe7f45aae1abec579763f032d54660dd68271347822632c65cc432c374873c31·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 280 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 280 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="3044617827-8">(</span><span·class="ss">dept</span><span·class="p">,</span><span·class="w"> |
| 281 | ························</span><span·class="p"·data-group-id=" | 281 | ························</span><span·class="p"·data-group-id="3044617827-9">[</span><span·class="p"·data-group-id="3044617827-10">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="3044617827-11">(</span><span·cla[·...·truncated·by·diffoscope;·len:·299,·SHA:·bc7686467e91556c51d539bf5084b117ce1173ce53928c1e0e953bc04979da19·...·]-8">)</span><span·class="p">,</span><span·class="w"> |
| 282 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 282 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="3044617827-12">(</span><span·class="ss">project</span><span·class="p">,</span><span·class="w"> |
| 283 | ························</span><span·class="p"·data-group-id=" | 283 | ························</span><span·class="p"·data-group-id="3044617827-13">[</span><span·class="p"·data-group-id="3044617827-14">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="3044617827-15">(</span><span·cl[·...·truncated·by·diffoscope;·len:·304,·SHA:·38ab55ef1434d9426c55ae298f12b4218df9eeabf283d71b14e8d235c4b4e4fd·...·]-12">)</span><span·class="p">,</span><span·class="w"> |
| 284 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 284 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="3044617827-16">(</span><span·class="ss">manager</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3044617827-17">[</span><span·class="p"·data-group-id="3044617827-18">{</span><span·class="ss">type</span><span·class="p">,<[·...·truncated·by·diffoscope;·len:·98,·SHA:·80c36b539735ca027b1a2ceaa20923fbf2484cbeb2e4f4867dcd63461ea130f6·...·]-18">}</span><span·class="p">,</span><span·class="w"> |
| 285 | ··································</span><span·class="p"·data-group-id=" | 285 | ··································</span><span·class="p"·data-group-id="3044617827-19">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="3044617827-20">(</span><span·class="ss">fields</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·250,·SHA:·081b3960a51ed5d13c9a7e515e997d17ecba0bed2b28c261ab982fbc720943a1·...·]-16">)</span><span·class="p">,</span><span·class="w"> |
| 286 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 286 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="3044617827-21">(</span><span·class="ss">at_dep</span><span·class="p">,</span><span·class="w"> |
| 287 | ·························</span><span·class="p"·data-group-id=" | 287 | ·························</span><span·class="p"·data-group-id="3044617827-22">[</span><span·class="p"·data-group-id="3044617827-23">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="3044617827-24">(</span><span·cl[·...·truncated·by·diffoscope;·len:·303,·SHA:·884977d5a45deb8b968c6a4bd1d0dc8f99e55b4b8d004654ded3aad0cf82b4a4·...·]-21">)</span><span·class="p">,</span><span·class="w"> |
| 288 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 288 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="3044617827-25">(</span><span·class="ss">in_proj</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3044617827-26">[</span><span·class="p"·data-group-id="3044617827-27">{</span><span·class="ss">type</span><span·class="p">,<[·...·truncated·by·diffoscope;·len:·98,·SHA:·80c36b539735ca027b1a2ceaa20923fbf2484cbeb2e4f4867dcd63461ea130f6·...·]-27">}</span><span·class="p">,</span><span·class="w"> |
| 289 | ··································</span><span·class="p"·data-group-id=" | 289 | ··································</span><span·class="p"·data-group-id="3044617827-28">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="3044617827-29">(</span><span·class="ss">fields</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·250,·SHA:·2628606ab727e06f0e0a8b6bc62493eee388e9e02d66fc67f5432237efe66304·...·]-25">)</span><span·class="p">.</span></code></pre><h3·id="program-explained"·class="section-heading"> |
| 290 | ··<a·href="#program-explained"·class="hover-link"> | 290 | ··<a·href="#program-explained"·class="hover-link"> |
| 291 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 291 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 292 | ··</a> | 292 | ··</a> |
| 293 | ··<span·class="text">Program·Explained</span> | 293 | ··<span·class="text">Program·Explained</span> |
| 294 | </h3> | 294 | </h3> |
| 295 | <p>The·following·commands·and·functions·are·used·to·initiate·the·<code·class="inline">Company</code> | 295 | <p>The·following·commands·and·functions·are·used·to·initiate·the·<code·class="inline">Company</code> |
| 296 | database:</p><ul><li><code·class="inline">%·erl·-mnesia·dir·'"/ldisc/scratch/Mnesia.Company"'</code>.·This·is·a·UNIX | 296 | database:</p><ul><li><code·class="inline">%·erl·-mnesia·dir·'"/ldisc/scratch/Mnesia.Company"'</code>.·This·is·a·UNIX |
| 297 | command-line·entry·that·starts·the·Erlang·system.·The·flag·<code·class="inline">-mnesia·dir·Dir</code> | 297 | command-line·entry·that·starts·the·Erlang·system.·The·flag·<code·class="inline">-mnesia·dir·Dir</code> |
| 298 | specifies·the·location·of·the·database·directory.·The·system·responds·and | 298 | specifies·the·location·of·the·database·directory.·The·system·responds·and |
| 299 | waits·for·further·input·with·the·prompt·<code·class="inline">1></code>.</li><li><a·href="mnesia.html#create_schema/1"><code·class="inline">mnesia:create_schema([node()])</code></a>.·This·function·has | 299 | waits·for·further·input·with·the·prompt·<code·class="inline">1></code>.</li><li><a·href="mnesia.html#create_schema/1"><code·class="inline">mnesia:create_schema([node()])</code></a>.·This·function·has |
| 300 | the·format·<code·class="inline">mnesia:create_schema(DiscNodeList)</code>·and·initiates·a·new·schema.·In | 300 | the·format·<code·class="inline">mnesia:create_schema(DiscNodeList)</code>·and·initiates·a·new·schema.·In |
| 301 | this·example,·a·non-distributed·system·using·only·one·node·is·created.·Schemas | 301 | this·example,·a·non-distributed·system·using·only·one·node·is·created.·Schemas |
| 302 | are·fully·explained·in·<a·href="mnesia_chap3.html#def_schema">Define·a·Schema</a>.</li><li><a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a>.·This·function·starts·<code·class="inline">Mnesia</code>·and·is·fully | 302 | are·fully·explained·in·<a·href="mnesia_chap3.html#def_schema">Define·a·Schema</a>.</li><li><a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a>.·This·function·starts·<code·class="inline">Mnesia</code>·and·is·fully |
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| 171 | there·as·well.·This·action·extends·the·set·of·nodes·that·comprise·this | 171 | there·as·well.·This·action·extends·the·set·of·nodes·that·comprise·this |
| 172 | particular·<code·class="inline">Mnesia</code>·system.</p></li><li><p><a·href="mnesia.html#del_table_copy/2"><code·class="inline">mnesia:del_table_copy(Tab,·Node)</code></a>·deletes·the | 172 | particular·<code·class="inline">Mnesia</code>·system.</p></li><li><p><a·href="mnesia.html#del_table_copy/2"><code·class="inline">mnesia:del_table_copy(Tab,·Node)</code></a>·deletes·the |
| 173 | replica·of·table·<code·class="inline">Tab</code>·at·node·<code·class="inline">Node</code>.·When·the·last·replica·of·a·table·is | 173 | replica·of·table·<code·class="inline">Tab</code>·at·node·<code·class="inline">Node</code>.·When·the·last·replica·of·a·table·is |
| 174 | removed,·the·table·is·deleted.</p></li><li><p><a·href="mnesia.html#transform_table/4"><code·class="inline">mnesia:transform_table(Tab,·Fun,·NewAttributeList,·NewRecordName)</code></a> | 174 | removed,·the·table·is·deleted.</p></li><li><p><a·href="mnesia.html#transform_table/4"><code·class="inline">mnesia:transform_table(Tab,·Fun,·NewAttributeList,·NewRecordName)</code></a> |
| 175 | changes·the·format·on·all·records·in·table·<code·class="inline">Tab</code>.·It·applies·argument·<code·class="inline">Fun</code>·to | 175 | changes·the·format·on·all·records·in·table·<code·class="inline">Tab</code>.·It·applies·argument·<code·class="inline">Fun</code>·to |
| 176 | all·records·in·the·table.·<code·class="inline">Fun</code>·must·be·a·function·that·takes·a·record·of·the | 176 | all·records·in·the·table.·<code·class="inline">Fun</code>·must·be·a·function·that·takes·a·record·of·the |
| 177 | old·type,·and·returns·the·record·of·the·new·type.·The·table·key·must·not·be | 177 | old·type,·and·returns·the·record·of·the·new·type.·The·table·key·must·not·be |
| 178 | changed.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 178 | changed.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="1942203032-1">(</span><span·class="ss">old</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1942203032-2">{</span><span·class="ss">key</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">val</span><spa[·...·truncated·by·diffoscope;·len:·90,·SHA:·840be442d08bf0fbc95bcd3b8cbd225729854169cda0917596d80572686e13f3·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 179 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 179 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="1942203032-3">(</span><span·class="ss">new</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1942203032-4">{</span><span·class="ss">key</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">val</span><spa[·...·truncated·by·diffoscope;·len:·167,·SHA:·d54851128d44fb2322885fdfb8051491fbf62a3e69fcb4c53595605ed25be863·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 180 | </span><span·class="n">Transformer</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 180 | </span><span·class="n">Transformer</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 181 | ···</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 181 | ···</span><span·class="nf">fun</span><span·class="p"·data-group-id="1942203032-5">(</span><span·class="n">X</span><span·class="p"·data-group-id="1942203032-5">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">record</span><span·class="p"·data-group-id="1942203032-6">(</span[·...·truncated·by·diffoscope;·len:·141,·SHA:·e8a43a2ad3415a900847e3568f551378122beb0cfff5df6ca54cf00fc5ad54fc·...·]-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 182 | ······</span><span·class="o">#</span><span·class="ss">new</span><span·class="p"·data-group-id=" | 182 | ······</span><span·class="o">#</span><span·class="ss">new</span><span·class="p"·data-group-id="1942203032-7">{</span><span·class="ss">key</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">X</span><span·class="o">#</span><span·class="ss">old</span><span·class="p">.</span><span·class="ss">key</span><span·class="p">,</span><span·class="w"> |
| 183 | ···········</span><span·class="ss">val</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">X</span><span·class="o">#</span><span·class="ss">old</span><span·class="p">.</span><span·class="ss">val</span><span·class="p">,</span><span·class="w"> | 183 | ···········</span><span·class="ss">val</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">X</span><span·class="o">#</span><span·class="ss">old</span><span·class="p">.</span><span·class="ss">val</span><span·class="p">,</span><span·class="w"> |
| 184 | ···········</span><span·class="ss">extra</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="p"·data-group-id=" | 184 | ···········</span><span·class="ss">extra</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="p"·data-group-id="1942203032-7">}</span><span·class="w"> |
| 185 | ···</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 185 | ···</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 186 | </span><span·class="p"·data-group-id=" | 186 | </span><span·class="p"·data-group-id="1942203032-8">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="p"·data-group-id="1942203032-8">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·129,·SHA:·ddc2072af51fb164912b8062817d0cbbd2223820eb9470cdb91da2e78913eca9·...·]-9">(</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Transformer</span><span·class="p">,</span><span·class="w"> |
| 187 | ······································</span><span·class="nf">record_info</span><span·class="p"·data-group-id=" | 187 | ······································</span><span·class="nf">record_info</span><span·class="p"·data-group-id="1942203032-10">(</span><span·class="ss">fields</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">new</span><span·class="p"·data-group-id="1942203032-10">)</span><span·class="p">,</span><span·class="w"> |
| 188 | ······································</span><span·class="ss">new</span><span·class="p"·data-group-id=" | 188 | ······································</span><span·class="ss">new</span><span·class="p"·data-group-id="1942203032-9">)</span><span·class="p">,</span></code></pre><p>Argument·<code·class="inline">Fun</code>·can·also·be·the·atom·<code·class="inline">ignore</code>,·which·indicates·that·only·the |
| 189 | metadata·about·the·table·is·updated.·Use·of·<code·class="inline">ignore</code>·is·not·recommended·(as·it | 189 | metadata·about·the·table·is·updated.·Use·of·<code·class="inline">ignore</code>·is·not·recommended·(as·it |
| 190 | creates·inconsistencies·between·the·metadata·and·the·actual·data)·but·it·is | 190 | creates·inconsistencies·between·the·metadata·and·the·actual·data)·but·it·is |
| 191 | included·as·a·possibility·for·the·user·do·to·an·own·(offline)·transform.</p></li><li><p><a·href="mnesia.html#change_table_copy_type/3"><code·class="inline">mnesia:change_table_copy_type(Tab,·Node,·ToType)</code></a> | 191 | included·as·a·possibility·for·the·user·do·to·an·own·(offline)·transform.</p></li><li><p><a·href="mnesia.html#change_table_copy_type/3"><code·class="inline">mnesia:change_table_copy_type(Tab,·Node,·ToType)</code></a> |
| 192 | changes·the·storage·type·of·a·table.·For·example,·a·RAM·table·is·changed·to·a | 192 | changes·the·storage·type·of·a·table.·For·example,·a·RAM·table·is·changed·to·a |
| 193 | <code·class="inline">disc_table</code>·at·the·node·specified·as·<code·class="inline">Node</code>.</p></li></ul><h2·id="data-model"·class="section-heading"> | 193 | <code·class="inline">disc_table</code>·at·the·node·specified·as·<code·class="inline">Node</code>.</p></li></ul><h2·id="data-model"·class="section-heading"> |
| 194 | ··<a·href="#data-model"·class="hover-link"> | 194 | ··<a·href="#data-model"·class="hover-link"> |
| 195 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 195 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 234, 37 lines modified | Offset 234, 37 lines modified | ||
| 234 | <a·href="mnesia_chap2.html#getting_started">Getting·Started</a>·to·illustrate·how·to·run·a | 234 | <a·href="mnesia_chap2.html#getting_started">Getting·Started</a>·to·illustrate·how·to·run·a |
| 235 | database·on·two·separate·nodes,·called·<code·class="inline">a@gin</code>·and·<code·class="inline">b@skeppet</code>.·Each·of·these | 235 | database·on·two·separate·nodes,·called·<code·class="inline">a@gin</code>·and·<code·class="inline">b@skeppet</code>.·Each·of·these |
| 236 | nodes·must·have·a·<code·class="inline">Mnesia</code>·directory·and·an·initialized·schema·before·<code·class="inline">Mnesia</code> | 236 | nodes·must·have·a·<code·class="inline">Mnesia</code>·directory·and·an·initialized·schema·before·<code·class="inline">Mnesia</code> |
| 237 | can·be·started.·There·are·two·ways·to·specify·the·<code·class="inline">Mnesia</code>·directory·to·be·used:</p><ul><li><p>Specify·the·<code·class="inline">Mnesia</code>·directory·by·providing·an·application·parameter·either | 237 | can·be·started.·There·are·two·ways·to·specify·the·<code·class="inline">Mnesia</code>·directory·to·be·used:</p><ul><li><p>Specify·the·<code·class="inline">Mnesia</code>·directory·by·providing·an·application·parameter·either |
| 238 | when·starting·the·Erlang·shell·or·in·the·application·script.·Previously,·the | 238 | when·starting·the·Erlang·shell·or·in·the·application·script.·Previously,·the |
| 239 | following·example·was·used·to·create·the·directory·for·the·<code·class="inline">Company</code>·database:</p><pre><code·class="text">%·erl·-mnesia·dir·'"/ldisc/scratch/Mnesia.Company"'</code></pre></li><li><p>If·no·command-line·flag·is·entered,·the·<code·class="inline">Mnesia</code>·directory·becomes·the·current | 239 | following·example·was·used·to·create·the·directory·for·the·<code·class="inline">Company</code>·database:</p><pre><code·class="text">%·erl·-mnesia·dir·'"/ldisc/scratch/Mnesia.Company"'</code></pre></li><li><p>If·no·command-line·flag·is·entered,·the·<code·class="inline">Mnesia</code>·directory·becomes·the·current |
| 240 | working·directory·on·the·node·where·the·Erlang·shell·is·started.</p></li></ul><p>To·start·the·<code·class="inline">Company</code>·database·and·get·it·running·on·the·two·specified·nodes, | 240 | working·directory·on·the·node·where·the·Erlang·shell·is·started.</p></li></ul><p>To·start·the·<code·class="inline">Company</code>·database·and·get·it·running·on·the·two·specified·nodes, |
| 241 | enter·the·following·commands:</p><ol><li>On·the·node·<code·class="inline">a@gin</code>:</li></ol><pre><code·class="text">·gin·%·erl·-sname·a··-mnesia·dir·'"/ldisc/scratch/Mnesia.company"'</code></pre><ol·start="2"><li>On·the·node·<code·class="inline">b@skeppet</code>:</li></ol><pre><code·class="text">skeppet·%·erl·-sname·b·-mnesia·dir·'"/ldisc/scratch/Mnesia.company"'</code></pre><ol·start="3"><li>On·one·of·the·two·nodes:</li></ol><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(a@gin)1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id=" | 241 | enter·the·following·commands:</p><ol><li>On·the·node·<code·class="inline">a@gin</code>:</li></ol><pre><code·class="text">·gin·%·erl·-sname·a··-mnesia·dir·'"/ldisc/scratch/Mnesia.company"'</code></pre><ol·start="2"><li>On·the·node·<code·class="inline">b@skeppet</code>:</li></ol><pre><code·class="text">skeppet·%·erl·-sname·b·-mnesia·dir·'"/ldisc/scratch/Mnesia.company"'</code></pre><ol·start="3"><li>On·one·of·the·two·nodes:</li></ol><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(a@gin)1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id="9167323612-1">(</span><span·class="p"·data-group-id="9167323612-2">[</span><span·class="ss">a@gin</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b@skeppet</span><span·class="p"·data-group-id="9167323612-2">]</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·9d5bbe035a6acbae1c1417e365777738fbd90eae64f10f62e58ee721ef027ef2·...·]-1">)</span><span·class="p">.</span></code></pre><ol·start="4"><li>The·function·<a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a>·is·called·on·both·nodes.</li><li>To·initialize·the·database,·execute·the·following·code·on·one·of·the·two |
| 242 | nodes:</li></ol><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">dist_init</span><span·class="p"·data-group-id=" | 242 | nodes:</li></ol><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">dist_init</span><span·class="p"·data-group-id="6610723555-1">(</span><span·class="p"·data-group-id="6610723555-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 243 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 243 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="6610723555-2">(</span><span·class="ss">employee</span><span·class="p">,</span><span·class="w"> |
| 244 | ·························</span><span·class="p"·data-group-id=" | 244 | ·························</span><span·class="p"·data-group-id="6610723555-3">[</span><span·class="p"·data-group-id="6610723555-4">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6610723555-5">[</span><span·class="ss">a@gin</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·158,·SHA:·b3a7678a08a74f9db13af8981eb0653083aef261e997791affaddc18f779b89d·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 245 | ··························</span><span·class="p"·data-group-id=" | 245 | ··························</span><span·class="p"·data-group-id="6610723555-6">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="6610723555-7">(</span><span·class="ss">fields</span><span·class="p">,</span><span·class="w"> |
| 246 | ···················································</span><span·class="ss">employee</span><span·class="p"·data-group-id=" | 246 | ···················································</span><span·class="ss">employee</span><span·class="p"·data-group-id="6610723555-7">)</span><span·class="p"·data-group-id="6610723555-6">}</span><span·class="p"·data-group-id="6610723555-3">]</span><span·class="p"·data-group-id="6610723555-2">)</span><span·class="p">,</span><span·class="w"> |
| 247 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 247 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="6610723555-8">(</span><span·class="ss">dept</span><span·class="p">,</span><span·class="w"> |
| 248 | ·························</span><span·class="p"·data-group-id=" | 248 | ·························</span><span·class="p"·data-group-id="6610723555-9">[</span><span·class="p"·data-group-id="6610723555-10">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6610723555-11">[</span><span·class="ss">a@gin</span><span·class="p"[·...·truncated·by·diffoscope;·len:·161,·SHA:·774aa035a05dfe58fc406778426cb7997767209e117a32e422ac0c127a1d414d·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 249 | ··························</span><span·class="p"·data-group-id=" | 249 | ··························</span><span·class="p"·data-group-id="6610723555-12">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="6610723555-13">(</span><span·class="ss">fields</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·246,·SHA:·7fdb798edf7f32cfffc015663231a8e9e1ff03fde2c18368e57d8166b70f565a·...·]-8">)</span><span·class="p">,</span><span·class="w"> |
| 250 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 250 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="6610723555-14">(</span><span·class="ss">project</span><span·class="p">,</span><span·class="w"> |
| 251 | ·························</span><span·class="p"·data-group-id=" | 251 | ·························</span><span·class="p"·data-group-id="6610723555-15">[</span><span·class="p"·data-group-id="6610723555-16">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6610723555-17">[</span><span·class="ss">a@gin</span><span·class="p[·...·truncated·by·diffoscope;·len:·162,·SHA:·6e4312f5ad238c4c6b27ee0c2101f7fea991b88f8f29002c6933a60d44e818cb·...·]-16">}</span><span·class="p">,</span><span·class="w"> |
| 252 | ··························</span><span·class="p"·data-group-id=" | 252 | ··························</span><span·class="p"·data-group-id="6610723555-18">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="6610723555-19">(</span><span·class="ss">fields</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·250,·SHA:·483b5a41cf45b3db61d6cb57de2dff905ad7f8761401d53559fe20233fa37318·...·]-14">)</span><span·class="p">,</span><span·class="w"> |
| 253 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 253 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="6610723555-20">(</span><span·class="ss">manager</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6610723555-21">[</span><span·class="p"·data-group-id="6610723555-22">{</span><span·class="ss">type</span><span·class="p">,<[·...·truncated·by·diffoscope;·len:·98,·SHA:·9d3086b40ddb4504682dc5c764c349fc40f8b31c2a6f113dafe075bbe5798b31·...·]-22">}</span><span·class="p">,</span><span·class="w"> |
| 254 | ··································</span><span·class="p"·data-group-id=" | 254 | ··································</span><span·class="p"·data-group-id="6610723555-23">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6610723555-24">[</span><span·class="ss">a@gin</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b@s[·...·truncated·by·diffoscope;·len:·108,·SHA:·7f957ea00400a2f154c3b24bd691126c5ae13cb78f0cc0201514708765cffd16·...·]-23">}</span><span·class="p">,</span><span·class="w"> |
| 255 | ··································</span><span·class="p"·data-group-id=" | 255 | ··································</span><span·class="p"·data-group-id="6610723555-25">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="6610723555-26">(</span><span·class="ss">fields</span><span·class="p">,</span><span·class="w"> |
| 256 | ···························································</span><span·class="ss">manager</span><span·class="p"·data-group-id=" | 256 | ···························································</span><span·class="ss">manager</span><span·class="p"·data-group-id="6610723555-26">)</span><span·class="p"·data-group-id="6610723555-25">}</span><span·class="p"·data-group-id="6610723555-21">]</span><span·class="p"·data-group-id="6610723555-20">)</span><span·class="p">,</span><span·class="w"> |
| 257 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 257 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="6610723555-27">(</span><span·class="ss">at_dep</span><span·class="p">,</span><span·class="w"> |
| 258 | ·························</span><span·class="p"·data-group-id=" | 258 | ·························</span><span·class="p"·data-group-id="6610723555-28">[</span><span·class="p"·data-group-id="6610723555-29">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6610723555-30">[</span><span·class="ss">a@gin</span><span·class="p[·...·truncated·by·diffoscope;·len:·162,·SHA:·1add590de0e738d01dc9ca5856185dbb644774de9d9e39435c36b9b378216f42·...·]-29">}</span><span·class="p">,</span><span·class="w"> |
| 259 | ··························</span><span·class="p"·data-group-id=" | 259 | ··························</span><span·class="p"·data-group-id="6610723555-31">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="6610723555-32">(</span><span·class="ss">fields</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·249,·SHA:·68e5bb77ba8c706a39c3017d3a9f626ec8d1ab2a0a73068c942fe38ece3e380c·...·]-27">)</span><span·class="p">,</span><span·class="w"> |
| 260 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 260 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="6610723555-33">(</span><span·class="ss">in_proj</span><span·class="p">,</span><span·class="w"> |
| 261 | ························</span><span·class="p"·data-group-id=" | 261 | ························</span><span·class="p"·data-group-id="6610723555-34">[</span><span·class="p"·data-group-id="6610723555-35">{</span><span·class="ss">type</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bag</span><span·class="p"·data-group-id="6610723555-35">}</span><span·class="p">,</span><span·class="w"> |
| 262 | ·························</span><span·class="p"·data-group-id=" | 262 | ·························</span><span·class="p"·data-group-id="6610723555-36">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6610723555-37">[</span><span·class="ss">a@gin</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b@s[·...·truncated·by·diffoscope;·len:·108,·SHA:·71dc04a79948a4e7034a86e3543521ffb3d10b0690be9209315289ade32237da·...·]-36">}</span><span·class="p">,</span><span·class="w"> |
| 263 | ·························</span><span·class="p"·data-group-id=" | 263 | ·························</span><span·class="p"·data-group-id="6610723555-38">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="6610723555-39">(</span><span·class="ss">fields</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·250,·SHA:·a2625368479d190b35aee4fbb867b7d84e966f66b4b534d184c8c487bc0c941f·...·]-33">)</span><span·class="p">.</span></code></pre><p>As·illustrated,·the·two·directories·reside·on·different·nodes,·because |
| 264 | <code·class="inline">/ldisc/scratch</code>·(the·"local"·disc)·exists·on·the·two·different·nodes.</p><p>By·executing·these·commands,·two·Erlang·nodes·are·configured·to·run·the | 264 | <code·class="inline">/ldisc/scratch</code>·(the·"local"·disc)·exists·on·the·two·different·nodes.</p><p>By·executing·these·commands,·two·Erlang·nodes·are·configured·to·run·the |
| 265 | <code·class="inline">Company</code>·database,·and·therefore,·initialize·the·database.·This·is·required | 265 | <code·class="inline">Company</code>·database,·and·therefore,·initialize·the·database.·This·is·required |
| 266 | only·once·when·setting·up.·The·next·time·the·system·is·started, | 266 | only·once·when·setting·up.·The·next·time·the·system·is·started, |
| 267 | <a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a>·is·called·on·both·nodes,·to·initialize·the | 267 | <a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a>·is·called·on·both·nodes,·to·initialize·the |
| 268 | system·from·disc.</p><p>In·a·system·of·<code·class="inline">Mnesia</code>·nodes,·every·node·is·aware·of·the·current·location·of | 268 | system·from·disc.</p><p>In·a·system·of·<code·class="inline">Mnesia</code>·nodes,·every·node·is·aware·of·the·current·location·of |
| 269 | all·tables.·In·this·example,·data·is·replicated·on·both·nodes·and·functions·that | 269 | all·tables.·In·this·example,·data·is·replicated·on·both·nodes·and·functions·that |
| 270 | manipulate·the·data·in·the·tables·can·be·executed·on·either·of·the·two·nodes. | 270 | manipulate·the·data·in·the·tables·can·be·executed·on·either·of·the·two·nodes. |
| Offset 273, 15 lines modified | Offset 273, 15 lines modified | ||
| 273 | the·function·is·executed.·The·functions·<a·href="mnesia.html#start/0"><code·class="inline">mnesia:start/0</code></a>·and·<a·href="mnesia.html#stop/0"><code·class="inline">mnesia:stop/0</code></a> | 273 | the·function·is·executed.·The·functions·<a·href="mnesia.html#start/0"><code·class="inline">mnesia:start/0</code></a>·and·<a·href="mnesia.html#stop/0"><code·class="inline">mnesia:stop/0</code></a> |
| 274 | work·on·the·"local"·<code·class="inline">Mnesia</code>·system.·No·functions·start·or·stop·a·set·of·nodes.</p><h3·id="startup-procedure"·class="section-heading"> | 274 | work·on·the·"local"·<code·class="inline">Mnesia</code>·system.·No·functions·start·or·stop·a·set·of·nodes.</p><h3·id="startup-procedure"·class="section-heading"> |
| 275 | ··<a·href="#startup-procedure"·class="hover-link"> | 275 | ··<a·href="#startup-procedure"·class="hover-link"> |
| 276 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 276 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 277 | ··</a> | 277 | ··</a> |
| 278 | ··<span·class="text">Startup·Procedure</span> | 278 | ··<span·class="text">Startup·Procedure</span> |
| 279 | </h3> | 279 | </h3> |
| 280 | <p>Start·<code·class="inline">Mnesia</code>·by·calling·the·following·function:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 280 | <p>Start·<code·class="inline">Mnesia</code>·by·calling·the·following·function:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="3425258408-1">(</span><span·class="p"·data-group-id="3425258408-1">)</span><span·class="p">.</span></code></pre><p>This·function·initiates·the·DBMS·locally.</p><p>The·choice·of·configuration·alters·the·location·and·load·order·of·the·tables. |
| 281 | The·alternatives·are·as·follows:</p><ol><li>Tables·that·are·only·stored·locally·are·initialized·from·the·local·<code·class="inline">Mnesia</code> | 281 | The·alternatives·are·as·follows:</p><ol><li>Tables·that·are·only·stored·locally·are·initialized·from·the·local·<code·class="inline">Mnesia</code> |
| 282 | directory.</li><li>Replicated·tables·that·reside·locally·as·well·as·somewhere·else·are·either | 282 | directory.</li><li>Replicated·tables·that·reside·locally·as·well·as·somewhere·else·are·either |
| 283 | initiated·from·disc·or·by·copying·the·entire·table·from·the·other·node, | 283 | initiated·from·disc·or·by·copying·the·entire·table·from·the·other·node, |
| 284 | depending·on·which·of·the·different·replicas·are·the·most·recent.·<code·class="inline">Mnesia</code> | 284 | depending·on·which·of·the·different·replicas·are·the·most·recent.·<code·class="inline">Mnesia</code> |
| 285 | determines·which·of·the·tables·are·the·most·recent.</li><li>Tables·that·reside·on·remote·nodes·are·available·to·other·nodes·as·soon·as | 285 | determines·which·of·the·tables·are·the·most·recent.</li><li>Tables·that·reside·on·remote·nodes·are·available·to·other·nodes·as·soon·as |
| 286 | they·are·loaded.</li></ol><p>Table·initialization·is·asynchronous.·The·function·call | 286 | they·are·loaded.</li></ol><p>Table·initialization·is·asynchronous.·The·function·call |
| 287 | <a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a>·returns·the·atom·<code·class="inline">ok</code>·and·then·starts·to | 287 | <a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a>·returns·the·atom·<code·class="inline">ok</code>·and·then·starts·to |
| Offset 296, 17 lines modified | Offset 296, 17 lines modified | ||
| 296 | situation,·a·call·to·<a·href="mnesia.html#wait_for_tables/2"><code·class="inline">mnesia:wait_for_tables/2</code></a>,·suspends·the·caller·until·the | 296 | situation,·a·call·to·<a·href="mnesia.html#wait_for_tables/2"><code·class="inline">mnesia:wait_for_tables/2</code></a>,·suspends·the·caller·until·the |
| 297 | remote·node·has·initialized·the·table·from·its·local·disc·and·the·node·has | 297 | remote·node·has·initialized·the·table·from·its·local·disc·and·the·node·has |
| 298 | copied·the·table·over·the·network·to·the·local·node.</p><p>However,·this·procedure·can·be·time-consuming,·the·shortcut·function | 298 | copied·the·table·over·the·network·to·the·local·node.</p><p>However,·this·procedure·can·be·time-consuming,·the·shortcut·function |
| 299 | <a·href="mnesia.html#force_load_table/1"><code·class="inline">mnesia:force_load_table(Tab)</code></a>·loads·all·the·tables | 299 | <a·href="mnesia.html#force_load_table/1"><code·class="inline">mnesia:force_load_table(Tab)</code></a>·loads·all·the·tables |
| 300 | from·disc·at·a·faster·rate.·The·function·forces·tables·to·be·loaded·from·disc | 300 | from·disc·at·a·faster·rate.·The·function·forces·tables·to·be·loaded·from·disc |
| 301 | regardless·of·the·network·situation.</p><p>Thus,·it·can·be·assumed·that·if·an·application·wants·to·use·tables·<code·class="inline">a</code>·and·<code·class="inline">b</code>, | 301 | regardless·of·the·network·situation.</p><p>Thus,·it·can·be·assumed·that·if·an·application·wants·to·use·tables·<code·class="inline">a</code>·and·<code·class="inline">b</code>, |
| 302 | the·application·must·perform·some·action·similar·to·following·before·it·can·use | 302 | the·application·must·perform·some·action·similar·to·following·before·it·can·use |
| 303 | the·tables:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">wait_for_tables</span><span·class="p"·data-group-id=" | 303 | the·tables:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">wait_for_tables</span><span·class="p"·data-group-id="8699224744-1">(</span><span·class="p"·data-group-id="8699224744-2">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b</span><span·class="p"·data-group-id="8699224744-2">]</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·88,·SHA:·34cc6741f0ea75af8def08d8c7dd7c7c97365d239a0b013a18b098a5f85dc412·...·]-1">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 304 | ··</span><span·class="p"·data-group-id=" | 304 | ··</span><span·class="p"·data-group-id="8699224744-3">{</span><span·class="ss">timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RemainingTabs</span><span·class="p"·data-group-id="8699224744-3">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 305 | ····</span><span·class="nf">panic</span><span·class="p"·data-group-id=" | 305 | ····</span><span·class="nf">panic</span><span·class="p"·data-group-id="8699224744-4">(</span><span·class="n">RemainingTabs</span><span·class="p"·data-group-id="8699224744-4">)</span><span·class="p">;</span><span·class="w"> |
| 306 | ··</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 306 | ··</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 307 | ····</span><span·class="ss">synced</span><span·class="w"> | 307 | ····</span><span·class="ss">synced</span><span·class="w"> |
| 308 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>When·tables·are·forcefully·loaded·from·the·local·disc,·all·operations·that | 308 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>When·tables·are·forcefully·loaded·from·the·local·disc,·all·operations·that |
| 309 | were·performed·on·the·replicated·table·while·the·local·node·was·down,·and·the | 309 | were·performed·on·the·replicated·table·while·the·local·node·was·down,·and·the |
| 310 | remote·replica·was·alive,·are·lost.·This·can·cause·the·database·to·become | 310 | remote·replica·was·alive,·are·lost.·This·can·cause·the·database·to·become |
| 311 | inconsistent.</p></section><p>If·the·startup·procedure·fails,·the·function·<a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a> | 311 | inconsistent.</p></section><p>If·the·startup·procedure·fails,·the·function·<a·href="mnesia.html#start/0"><code·class="inline">mnesia:start()</code></a> |
| 312 | returns·the·cryptic·tuple | 312 | returns·the·cryptic·tuple |
| Offset 324, 21 lines modified | Offset 324, 21 lines modified | ||
| 324 | the·records·that·constitute·the·table.·For·details,·see·<code·class="inline">record_name</code>.</li><li><code·class="inline">Opts</code>·is·a·list·of·<code·class="inline">{Key,Value}</code>·tuples.·The·following·options·are | 324 | the·records·that·constitute·the·table.·For·details,·see·<code·class="inline">record_name</code>.</li><li><code·class="inline">Opts</code>·is·a·list·of·<code·class="inline">{Key,Value}</code>·tuples.·The·following·options·are |
| 325 | valid:<ul><li><p><code·class="inline">{type,·Type}</code>,·where·<code·class="inline">Type</code>·must·be·either·of·the·atoms·<code·class="inline">set</code>, | 325 | valid:<ul><li><p><code·class="inline">{type,·Type}</code>,·where·<code·class="inline">Type</code>·must·be·either·of·the·atoms·<code·class="inline">set</code>, |
| 326 | <code·class="inline">ordered_set</code>,·or·<code·class="inline">bag</code>.·Default·is·<code·class="inline">set</code>.</p><p>Notice·that·currently·<code·class="inline">ordered_set</code>·is·not·supported·for·<code·class="inline">disc_only_copies</code> | 326 | <code·class="inline">ordered_set</code>,·or·<code·class="inline">bag</code>.·Default·is·<code·class="inline">set</code>.</p><p>Notice·that·currently·<code·class="inline">ordered_set</code>·is·not·supported·for·<code·class="inline">disc_only_copies</code> |
| 327 | tables.</p><p>A·table·of·type·<code·class="inline">set</code>·or·<code·class="inline">ordered_set</code>·has·either·zero·or·one·record·per | 327 | tables.</p><p>A·table·of·type·<code·class="inline">set</code>·or·<code·class="inline">ordered_set</code>·has·either·zero·or·one·record·per |
| 328 | key,·whereas·a·table·of·type·<code·class="inline">bag</code>·can·have·an·arbitrary·number·of·records | 328 | key,·whereas·a·table·of·type·<code·class="inline">bag</code>·can·have·an·arbitrary·number·of·records |
| 329 | per·key.·The·key·for·each·record·is·always·the·first·attribute·of·the | 329 | per·key.·The·key·for·each·record·is·always·the·first·attribute·of·the |
| 330 | record.</p><p>The·following·example·illustrates·the·difference·between·type·<code·class="inline">set</code>·and | 330 | record.</p><p>The·following·example·illustrates·the·difference·between·type·<code·class="inline">set</code>·and |
| 331 | <code·class="inline">bag</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="nf">f</span><span·class="p"·data-group-id="24 | 331 | <code·class="inline">bag</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="nf">f</span><span·class="p"·data-group-id="2056486764-1">(</span><span·class="p"·data-group-id="2056486764-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 332 | ····</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="24 | 332 | ····</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="2056486764-2">(</span><span·class="p"·data-group-id="2056486764-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 333 | ··········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="24 | 333 | ··········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="2056486764-3">(</span><span·class="p"·data-group-id="2056486764-4">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·cla[·...·truncated·by·diffoscope;·len:·85,·SHA:·b5e4ef92c77872d928301e3e5c4c229e01bc60d8add926da65e6b41f5e6f7c7a·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 334 | ··········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="24 | 334 | ··········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="2056486764-5">(</span><span·class="p"·data-group-id="2056486764-6">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">3</span><span·cla[·...·truncated·by·diffoscope;·len:·85,·SHA:·3ac190620b8131a892645a3e562f0ee2896a92cf9e919870f3f971476b280c98·...·]-5">)</span><span·class="p">,</span><span·class="w"> |
| 335 | ··········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">read</span><span·class="p"·data-group-id="24 | 335 | ··········</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">read</span><span·class="p"·data-group-id="2056486764-7">(</span><span·class="p"·data-group-id="2056486764-8">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="2056486764-8">}</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·64a3905ebb8dda656f7ac91229a1237dd6a280d98c6dcbe39645e1ad9c6c1c0b·...·]-7">)</span><span·class="w"> |
| 336 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 336 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 337 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="24 | 337 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="2056486764-9">(</span><span·class="n">F</span><span·class="p"·data-group-id="2056486764-9">)</span><span·class="p">.</span></code></pre><p>This·transaction·returns·the·list·<code·class="inline">[{foo,1,3}]</code>·if·table·<code·class="inline">foo</code>·is·of·type |
| 338 | <code·class="inline">set</code>.·However,·the·list·<code·class="inline">[{foo,1,2},·{foo,1,3}]</code>·is·returned·if·the·table | 338 | <code·class="inline">set</code>.·However,·the·list·<code·class="inline">[{foo,1,2},·{foo,1,3}]</code>·is·returned·if·the·table |
| 339 | is·of·type·<code·class="inline">bag</code>.</p><p><code·class="inline">Mnesia</code>·tables·can·never·contain·duplicates·of·the·same·record·in·the·same | 339 | is·of·type·<code·class="inline">bag</code>.</p><p><code·class="inline">Mnesia</code>·tables·can·never·contain·duplicates·of·the·same·record·in·the·same |
| 340 | table.·Duplicate·records·have·attributes·with·the·same·contents·and·key.</p></li><li><p><code·class="inline">{disc_copies,·NodeList}</code>,·where·<code·class="inline">NodeList</code>·is·a·list·of·the·nodes·where | 340 | table.·Duplicate·records·have·attributes·with·the·same·contents·and·key.</p></li><li><p><code·class="inline">{disc_copies,·NodeList}</code>,·where·<code·class="inline">NodeList</code>·is·a·list·of·the·nodes·where |
| 341 | this·table·is·to·reside·on·disc.</p><p>Write·operations·to·a·table·replica·of·type·<code·class="inline">disc_copies</code>·write·data·to·the | 341 | this·table·is·to·reside·on·disc.</p><p>Write·operations·to·a·table·replica·of·type·<code·class="inline">disc_copies</code>·write·data·to·the |
| 342 | disc·copy·and·to·the·RAM·copy·of·the·table.</p><p>It·is·possible·to·have·a·replicated·table·of·type·<code·class="inline">disc_copies</code>·on·one·node, | 342 | disc·copy·and·to·the·RAM·copy·of·the·table.</p><p>It·is·possible·to·have·a·replicated·table·of·type·<code·class="inline">disc_copies</code>·on·one·node, |
| 343 | and·the·same·table·stored·as·a·different·type·on·another·node.·Default·is | 343 | and·the·same·table·stored·as·a·different·type·on·another·node.·Default·is |
| 344 | <code·class="inline">[]</code>.·This·arrangement·is·desirable·if·the·following·operational | 344 | <code·class="inline">[]</code>.·This·arrangement·is·desirable·if·the·following·operational |
| Offset 374, 19 lines modified | Offset 374, 19 lines modified | ||
| 374 | possible·for·you·to·provide·the·attribute·names·or·to·use·the | 374 | possible·for·you·to·provide·the·attribute·names·or·to·use·the |
| 375 | <code·class="inline">record_info/2</code>·notation.</p><p>It·is·recommended·to·use·the·<code·class="inline">record_info/2</code>·notation,·as·it·becomes·easier | 375 | <code·class="inline">record_info/2</code>·notation.</p><p>It·is·recommended·to·use·the·<code·class="inline">record_info/2</code>·notation,·as·it·becomes·easier |
| 376 | to·maintain·the·program·and·the·program·becomes·more·robust·with·regards·to | 376 | to·maintain·the·program·and·the·program·becomes·more·robust·with·regards·to |
| 377 | future·record·changes.</p></li><li><p><code·class="inline">{record_name,·Atom}</code>·specifies·the·common·name·of·all·records·stored·in·the | 377 | future·record·changes.</p></li><li><p><code·class="inline">{record_name,·Atom}</code>·specifies·the·common·name·of·all·records·stored·in·the |
| 378 | table.·All·records·stored·in·the·table·must·have·this·name·as·their·first | 378 | table.·All·records·stored·in·the·table·must·have·this·name·as·their·first |
| 379 | element.·<code·class="inline">record_name</code>·defaults·to·the·name·of·the·table.·For·more | 379 | element.·<code·class="inline">record_name</code>·defaults·to·the·name·of·the·table.·For·more |
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| 141 | <p>Transactions·are·important·when·designing·fault-tolerant,·distributed·systems.·A | 141 | <p>Transactions·are·important·when·designing·fault-tolerant,·distributed·systems.·A |
| 142 | <code·class="inline">Mnesia</code>·transaction·is·a·mechanism·by·which·a·series·of·database·operations·can | 142 | <code·class="inline">Mnesia</code>·transaction·is·a·mechanism·by·which·a·series·of·database·operations·can |
| 143 | be·executed·as·one·functional·block.·The·functional·block·that·is·run·as·a | 143 | be·executed·as·one·functional·block.·The·functional·block·that·is·run·as·a |
| 144 | transaction·is·called·a·Functional·Object·(Fun),·and·this·code·can·read,·write, | 144 | transaction·is·called·a·Functional·Object·(Fun),·and·this·code·can·read,·write, |
| 145 | and·delete·<code·class="inline">Mnesia</code>·records.·The·Fun·is·evaluated·as·a·transaction·that·either | 145 | and·delete·<code·class="inline">Mnesia</code>·records.·The·Fun·is·evaluated·as·a·transaction·that·either |
| 146 | commits·or·terminates.·If·a·transaction·succeeds·in·executing·the·Fun,·it | 146 | commits·or·terminates.·If·a·transaction·succeeds·in·executing·the·Fun,·it |
| 147 | replicates·the·action·on·all·nodes·involved,·or·terminates·if·an·error·occurs.</p><p>The·following·example·shows·a·transaction·that·raises·the·salary·of·certain | 147 | replicates·the·action·on·all·nodes·involved,·or·terminates·if·an·error·occurs.</p><p>The·following·example·shows·a·transaction·that·raises·the·salary·of·certain |
| 148 | employee·numbers:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">raise</span><span·class="p"·data-group-id=" | 148 | employee·numbers:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">raise</span><span·class="p"·data-group-id="6345555342-1">(</span><span·class="n">Eno</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Raise</span><span·class="p"·data-group-id="6345555342-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 149 | ····</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 149 | ····</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="6345555342-2">(</span><span·class="p"·data-group-id="6345555342-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 150 | ················</span><span·class="p"·data-group-id=" | 150 | ················</span><span·class="p"·data-group-id="6345555342-3">[</span><span·class="n">E</span><span·class="p"·data-group-id="6345555342-3">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">read</span><sp[·...·truncated·by·diffoscope;·len:·274,·SHA:·2732e1520a6ed08e758a02a7d5e964b109395e3f615ad2d7fd6b5e4d6e437f98·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 151 | ················</span><span·class="n">Salary</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">employee</span><span·class="p">.</span><span·class="ss">salary</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Raise</span><span·class="p">,</span><span·class="w"> | 151 | ················</span><span·class="n">Salary</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">employee</span><span·class="p">.</span><span·class="ss">salary</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Raise</span><span·class="p">,</span><span·class="w"> |
| 152 | ················</span><span·class="n">New</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">employee</span><span·class="p"·data-group-id=" | 152 | ················</span><span·class="n">New</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">employee</span><span·class="p"·data-group-id="6345555342-5">{</span><span·class="ss">salary</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Salary</span><span·class="p"·data-group-id="6345555342-5">}</span><span·class="p">,</span><span·class="w"> |
| 153 | ················</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 153 | ················</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="6345555342-6">(</span><span·class="n">New</span><span·class="p"·data-group-id="6345555342-6">)</span><span·class="w"> |
| 154 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 154 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 155 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id=" | 155 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="6345555342-7">(</span><span·class="n">F</span><span·class="p"·data-group-id="6345555342-7">)</span><span·class="p">.</span></code></pre><p>The·function·<code·class="inline">raise/2</code>·contains·a·Fun·made·up·of·four·code·lines.·This·Fun·is |
| 156 | called·by·the·statement·<code·class="inline">mnesia:transaction(F)</code>·and·returns·a·value.</p><p>The·<code·class="inline">Mnesia</code>·transaction·system·facilitates·the·construction·of·reliable, | 156 | called·by·the·statement·<code·class="inline">mnesia:transaction(F)</code>·and·returns·a·value.</p><p>The·<code·class="inline">Mnesia</code>·transaction·system·facilitates·the·construction·of·reliable, |
| 157 | distributed·systems·by·providing·the·following·important·properties:</p><ul><li>The·transaction·handler·ensures·that·a·Fun,·which·is·placed·inside·a | 157 | distributed·systems·by·providing·the·following·important·properties:</p><ul><li>The·transaction·handler·ensures·that·a·Fun,·which·is·placed·inside·a |
| 158 | transaction,·does·not·interfere·with·operations·embedded·in·other·transactions | 158 | transaction,·does·not·interfere·with·operations·embedded·in·other·transactions |
| 159 | when·it·executes·a·series·of·operations·on·tables.</li><li>The·transaction·handler·ensures·that·either·all·operations·in·the·transaction | 159 | when·it·executes·a·series·of·operations·on·tables.</li><li>The·transaction·handler·ensures·that·either·all·operations·in·the·transaction |
| 160 | are·performed·successfully·on·all·nodes·atomically,·or·the·transaction·fails | 160 | are·performed·successfully·on·all·nodes·atomically,·or·the·transaction·fails |
| 161 | without·permanent·effect·on·any·node.</li><li>The·<code·class="inline">Mnesia</code>·transactions·have·four·important·properties,·called·<em>A</em>tomicity, | 161 | without·permanent·effect·on·any·node.</li><li>The·<code·class="inline">Mnesia</code>·transactions·have·four·important·properties,·called·<em>A</em>tomicity, |
| 162 | <em>C</em>onsistency,·<em>I</em>solation,·and·<em>D</em>urability·(ACID).·These·properties·are | 162 | <em>C</em>onsistency,·<em>I</em>solation,·and·<em>D</em>urability·(ACID).·These·properties·are |
| Offset 242, 23 lines modified | Offset 242, 23 lines modified | ||
| 242 | code·these·operations.</p><p>Deadlocks·can·occur·when·concurrent·processes·set·and·release·locks·on·the·same | 242 | code·these·operations.</p><p>Deadlocks·can·occur·when·concurrent·processes·set·and·release·locks·on·the·same |
| 243 | records.·<code·class="inline">Mnesia</code>·employs·a·"wait-die"·strategy·to·resolve·these·situations.·If | 243 | records.·<code·class="inline">Mnesia</code>·employs·a·"wait-die"·strategy·to·resolve·these·situations.·If |
| 244 | <code·class="inline">Mnesia</code>·suspects·that·a·deadlock·can·occur·when·a·transaction·tries·to·set·a | 244 | <code·class="inline">Mnesia</code>·suspects·that·a·deadlock·can·occur·when·a·transaction·tries·to·set·a |
| 245 | lock,·the·transaction·is·forced·to·release·all·its·locks·and·sleep·for·a·while. | 245 | lock,·the·transaction·is·forced·to·release·all·its·locks·and·sleep·for·a·while. |
| 246 | The·Fun·in·the·transaction·is·evaluated·once·more.</p><p>It·is·therefore·important·that·the·code·inside·the·Fun·given·to | 246 | The·Fun·in·the·transaction·is·evaluated·once·more.</p><p>It·is·therefore·important·that·the·code·inside·the·Fun·given·to |
| 247 | <a·href="mnesia.html#transaction/1"><code·class="inline">mnesia:transaction/1</code></a>·is·pure.·Some·strange·results·can·occur·if,·for·example, | 247 | <a·href="mnesia.html#transaction/1"><code·class="inline">mnesia:transaction/1</code></a>·is·pure.·Some·strange·results·can·occur·if,·for·example, |
| 248 | messages·are·sent·by·the·transaction·Fun.·The·following·example·illustrates·this | 248 | messages·are·sent·by·the·transaction·Fun.·The·following·example·illustrates·this |
| 249 | situation:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bad_raise</span><span·class="p"·data-group-id=" | 249 | situation:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">bad_raise</span><span·class="p"·data-group-id="1353624767-1">(</span><span·class="n">Eno</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Raise</span><span·class="p"·data-group-id="1353624767-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 250 | ····</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 250 | ····</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1353624767-2">(</span><span·class="p"·data-group-id="1353624767-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 251 | ················</span><span·class="p"·data-group-id=" | 251 | ················</span><span·class="p"·data-group-id="1353624767-3">[</span><span·class="n">E</span><span·class="p"·data-group-id="1353624767-3">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">read</span><sp[·...·truncated·by·diffoscope;·len:·303,·SHA:·f1cc5de2a1a3289f3804bfb577d52e97ed00c2a65fc8217105b64eb9e05306dd·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 252 | ················</span><span·class="n">Salary</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">employee</span><span·class="p">.</span><span·class="ss">salary</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Raise</span><span·class="p">,</span><span·class="w"> | 252 | ················</span><span·class="n">Salary</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">employee</span><span·class="p">.</span><span·class="ss">salary</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">Raise</span><span·class="p">,</span><span·class="w"> |
| 253 | ················</span><span·class="n">New</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">employee</span><span·class="p"·data-group-id=" | 253 | ················</span><span·class="n">New</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span·class="o">#</span><span·class="ss">employee</span><span·class="p"·data-group-id="1353624767-6">{</span><span·class="ss">salary</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Salary</span><span·class="p"·data-group-id="1353624767-6">}</span><span·class="p">,</span><span·class="w"> |
| 254 | ················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 254 | ················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="1353624767-7">(</span><span·class="s">"Trying·to·write·...·</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1353624767-8">[</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·65,·SHA:·84c2214555269801c938ecfe28e728bd2a14fcc69f536c93c72a86238a555c7a·...·]-7">)</span><span·class="p">,</span><span·class="w"> |
| 255 | ················</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 255 | ················</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="1353624767-9">(</span><span·class="n">New</span><span·class="p"·data-group-id="1353624767-9">)</span><span·class="w"> |
| 256 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 256 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 257 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id=" | 257 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="1353624767-10">(</span><span·class="n">F</span><span·class="p"·data-group-id="1353624767-10">)</span><span·class="p">.</span></code></pre><p>This·transaction·can·write·the·text·<code·class="inline">"Trying·to·write·...·"</code>·1000·times·to·the |
| 258 | terminal.·However,·<code·class="inline">Mnesia</code>·guarantees·that·each·transaction·will·eventually | 258 | terminal.·However,·<code·class="inline">Mnesia</code>·guarantees·that·each·transaction·will·eventually |
| 259 | run.·As·a·result,·<code·class="inline">Mnesia</code>·is·not·only·deadlock·free,·but·also·livelock·free.</p><p>The·<code·class="inline">Mnesia</code>·programmer·cannot·prioritize·one·particular·transaction·to·execute | 259 | run.·As·a·result,·<code·class="inline">Mnesia</code>·is·not·only·deadlock·free,·but·also·livelock·free.</p><p>The·<code·class="inline">Mnesia</code>·programmer·cannot·prioritize·one·particular·transaction·to·execute |
| 260 | before·other·transactions·that·are·waiting·to·execute.·As·a·result,·the·<code·class="inline">Mnesia</code> | 260 | before·other·transactions·that·are·waiting·to·execute.·As·a·result,·the·<code·class="inline">Mnesia</code> |
| 261 | DBMS·transaction·system·is·not·suitable·for·hard·real-time·applications. | 261 | DBMS·transaction·system·is·not·suitable·for·hard·real-time·applications. |
| 262 | However,·<code·class="inline">Mnesia</code>·contains·other·features·that·have·real-time·properties.</p><p><code·class="inline">Mnesia</code>·dynamically·sets·and·releases·locks·as·transactions·execute.·It·is | 262 | However,·<code·class="inline">Mnesia</code>·contains·other·features·that·have·real-time·properties.</p><p><code·class="inline">Mnesia</code>·dynamically·sets·and·releases·locks·as·transactions·execute.·It·is |
| 263 | therefore·dangerous·to·execute·code·with·transaction·side-effects.·In | 263 | therefore·dangerous·to·execute·code·with·transaction·side-effects.·In |
| 264 | particular,·a·<code·class="inline">receive</code>·statement·inside·a·transaction·can·lead·to·a·situation | 264 | particular,·a·<code·class="inline">receive</code>·statement·inside·a·transaction·can·lead·to·a·situation |
| Offset 297, 21 lines modified | Offset 297, 21 lines modified | ||
| 297 | record·when·reading·a·record,·and·lock·all·replicas·of·a·record·when·writing·a | 297 | record·when·reading·a·record,·and·lock·all·replicas·of·a·record·when·writing·a |
| 298 | record.·However,·some·applications·use·<code·class="inline">Mnesia</code>·mainly·for·its·fault-tolerant | 298 | record.·However,·some·applications·use·<code·class="inline">Mnesia</code>·mainly·for·its·fault-tolerant |
| 299 | qualities.·These·applications·can·be·configured·with·one·node·doing·all·the | 299 | qualities.·These·applications·can·be·configured·with·one·node·doing·all·the |
| 300 | heavy·work,·and·a·standby·node·that·is·ready·to·take·over·if·the·main·node | 300 | heavy·work,·and·a·standby·node·that·is·ready·to·take·over·if·the·main·node |
| 301 | fails.·Such·applications·can·benefit·from·using·sticky·locks·instead·of·the | 301 | fails.·Such·applications·can·benefit·from·using·sticky·locks·instead·of·the |
| 302 | normal·locking·scheme.</p><p>A·sticky·lock·is·a·lock·that·stays·in·place·at·a·node,·after·the·transaction | 302 | normal·locking·scheme.</p><p>A·sticky·lock·is·a·lock·that·stays·in·place·at·a·node,·after·the·transaction |
| 303 | that·first·acquired·the·lock·has·terminated.·To·illustrate·this,·assume·that·the | 303 | that·first·acquired·the·lock·has·terminated.·To·illustrate·this,·assume·that·the |
| 304 | following·transaction·is·executed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="70 | 304 | following·transaction·is·executed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="0702037192-1">(</span><span·class="p"·data-group-id="0702037192-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 305 | ······</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="70 | 305 | ······</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="0702037192-2">(</span><span·class="o">#</span><span·class="ss">foo</span><span·class="p"·data-group-id="0702037192-3">{</span><span·class="ss">a</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">kalle</span><spa[·...·truncated·by·diffoscope;·len:·90,·SHA:·a8d5de89c895f76381abaf95fe157afeabc126eaf1a247b8e9a1458970fbea71·...·]-2">)</span><span·class="w"> |
| 306 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 306 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 307 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="70 | 307 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="0702037192-4">(</span><span·class="n">F</span><span·class="p"·data-group-id="0702037192-4">)</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">foo</code>·table·is·replicated·on·the·two·nodes·<code·class="inline">N1</code>·and·<code·cla[·...·truncated·by·diffoscope;·len:·557,·SHA:·cd196a9e63943177abda87b59b8e91d9c6730796832e882fa5479acff71870b9·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 308 | ······</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">s_write</span><span·class="p"·data-group-id=" | 308 | ······</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">s_write</span><span·class="p"·data-group-id="0890047128-2">(</span><span·class="o">#</span><span·class="ss">foo</span><span·class="p"·data-group-id="0890047128-3">{</span><span·class="ss">a</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">kalle</span><spa[·...·truncated·by·diffoscope;·len:·90,·SHA:·06289af11ce32f425d1f64e4a857432237523b56f684ef98c5483779fa49082f·...·]-2">)</span><span·class="w"> |
| 309 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 309 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 310 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id=" | 310 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">transaction</span><span·class="p"·data-group-id="0890047128-4">(</span><span·class="n">F</span><span·class="p"·data-group-id="0890047128-4">)</span><span·class="p">.</span></code></pre><p>This·code·uses·the·function·<a·href="mnesia.html#s_write/1"><code·class="inline">s_write/1</code></a>·instead·of·the |
| 311 | function·<a·href="mnesia.html#write/1"><code·class="inline">write/1</code></a>·The·function·<code·class="inline">s_write/1</code>·sets·a·sticky·lock | 311 | function·<a·href="mnesia.html#write/1"><code·class="inline">write/1</code></a>·The·function·<code·class="inline">s_write/1</code>·sets·a·sticky·lock |
| 312 | instead·of·a·normal·lock.·If·the·table·is·not·replicated,·sticky·locks·have·no | 312 | instead·of·a·normal·lock.·If·the·table·is·not·replicated,·sticky·locks·have·no |
| 313 | special·effect.·If·the·table·is·replicated,·and·a·sticky·lock·is·set·on·node | 313 | special·effect.·If·the·table·is·replicated,·and·a·sticky·lock·is·set·on·node |
| 314 | <code·class="inline">N1</code>,·this·lock·then·sticks·to·node·<code·class="inline">N1</code>.·The·next·time·you·try·to·set·a·sticky | 314 | <code·class="inline">N1</code>,·this·lock·then·sticks·to·node·<code·class="inline">N1</code>.·The·next·time·you·try·to·set·a·sticky |
| 315 | lock·on·the·same·record·at·node·<code·class="inline">N1</code>,·<code·class="inline">Mnesia</code>·detects·that·the·lock·is·already | 315 | lock·on·the·same·record·at·node·<code·class="inline">N1</code>,·<code·class="inline">Mnesia</code>·detects·that·the·lock·is·already |
| 316 | set·and·do·no·network·operation·to·acquire·the·lock.</p><p>It·is·more·efficient·to·set·a·local·lock·than·it·is·to·set·a·networked·lock. | 316 | set·and·do·no·network·operation·to·acquire·the·lock.</p><p>It·is·more·efficient·to·set·a·local·lock·than·it·is·to·set·a·networked·lock. |
| 317 | Sticky·locks·can·therefore·benefit·an·application·that·uses·a·replicated·table | 317 | Sticky·locks·can·therefore·benefit·an·application·that·uses·a·replicated·table |
| Offset 329, 16 lines modified | Offset 329, 16 lines modified | ||
| 329 | locks·automatically,·and·the·programmer·does·not·need·to·code·these·operations. | 329 | locks·automatically,·and·the·programmer·does·not·need·to·code·these·operations. |
| 330 | However,·transactions·that·read·and·write·many·records·in·a·specific·table | 330 | However,·transactions·that·read·and·write·many·records·in·a·specific·table |
| 331 | execute·more·efficiently·if·the·transaction·is·started·by·setting·a·table·lock | 331 | execute·more·efficiently·if·the·transaction·is·started·by·setting·a·table·lock |
| 332 | on·this·table.·This·blocks·other·concurrent·transactions·from·the·table.·The | 332 | on·this·table.·This·blocks·other·concurrent·transactions·from·the·table.·The |
| 333 | following·two·functions·are·used·to·set·explicit·table·locks·for·read·and·write | 333 | following·two·functions·are·used·to·set·explicit·table·locks·for·read·and·write |
| 334 | operations:</p><ul><li><a·href="mnesia.html#read_lock_table/1"><code·class="inline">mnesia:read_lock_table(Tab)</code></a>·sets·a·read·lock·on | 334 | operations:</p><ul><li><a·href="mnesia.html#read_lock_table/1"><code·class="inline">mnesia:read_lock_table(Tab)</code></a>·sets·a·read·lock·on |
| 335 | table·<code·class="inline">Tab</code>.</li><li><a·href="mnesia.html#write_lock_table/1"><code·class="inline">mnesia:write_lock_table(Tab)</code></a>·sets·a·write·lock | 335 | table·<code·class="inline">Tab</code>.</li><li><a·href="mnesia.html#write_lock_table/1"><code·class="inline">mnesia:write_lock_table(Tab)</code></a>·sets·a·write·lock |
| 336 | on·table·<code·class="inline">Tab</code>.</li></ul><p>Alternative·syntax·for·acquisition·of·table·locks·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">lock</span><span·class="p"·data-group-id="0682901188-1">(</span><span·class="p"·data-group-id="0682901188-2">{</span><span·class="ss">table</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p"·data-group-id="0682901188-2">}</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">read</span><span·class="p"·data-group-id="0682901188-1">)</span><span·class="w"> | ||
| 337 | 336 | on·table·<code·class="inline">Tab</code>.</li></ul><p>Alternative·syntax·for·acquisition·of·table·locks·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">lock</span><spa[·...·truncated·by·diffoscope;·len:·403,·SHA:·5be5fdd1c0ee5b3d8701b5f089e222f5764dfd1695f74a6fd132b36a02557049·...·] | |
| 337 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">lock</span><span·class="p"·data-group-id="2717034325-3">(</span><span·class="p"·data-group-id="2717034325-4">{</span><span·class="ss">table</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p"·data-group-id="2717034325-4">}</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">write</span><span·class="p"·data-group-id="2717034325-3">)</span></code></pre><p>The·matching·operations·in·<code·class="inline">Mnesia</code>·can·either·lock·the·entire·table·or·only·a | ||
| 338 | single·record·(when·the·key·is·bound·in·the·pattern).</p><h3·id="global-locks"·class="section-heading"> | 338 | single·record·(when·the·key·is·bound·in·the·pattern).</p><h3·id="global-locks"·class="section-heading"> |
| 339 | ··<a·href="#global-locks"·class="hover-link"> | 339 | ··<a·href="#global-locks"·class="hover-link"> |
| 340 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 340 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 341 | ··</a> | 341 | ··</a> |
| 342 | ··<span·class="text">Global·Locks</span> | 342 | ··<span·class="text">Global·Locks</span> |
| 343 | </h3> | 343 | </h3> |
| 344 | <p>Write·locks·are·normally·acquired·on·all·nodes·where·a·replica·of·the·table | 344 | <p>Write·locks·are·normally·acquired·on·all·nodes·where·a·replica·of·the·table |
| Offset 421, 86 lines modified | Offset 421, 86 lines modified | ||
| 421 | ··<span·class="text">Record·Names·versus·Table·Names</span> | 421 | ··<span·class="text">Record·Names·versus·Table·Names</span> |
| 422 | </h2> | 422 | </h2> |
| 423 | <p>In·<code·class="inline">Mnesia</code>,·all·records·in·a·table·must·have·the·same·name.·All·the·records | 423 | <p>In·<code·class="inline">Mnesia</code>,·all·records·in·a·table·must·have·the·same·name.·All·the·records |
| 424 | must·be·instances·of·the·same·record·type.·The·record·name,·however,·does·not | 424 | must·be·instances·of·the·same·record·type.·The·record·name,·however,·does·not |
| 425 | necessarily·have·to·be·the·same·as·the·table·name,·although·this·is·the·case·in | 425 | necessarily·have·to·be·the·same·as·the·table·name,·although·this·is·the·case·in |
| 426 | most·of·the·examples·in·this·User's·Guide.·If·a·table·is·created·without | 426 | most·of·the·examples·in·this·User's·Guide.·If·a·table·is·created·without |
| 427 | property·<code·class="inline">record_name</code>,·the·following·code·ensures·that·all·records·in·the | 427 | property·<code·class="inline">record_name</code>,·the·following·code·ensures·that·all·records·in·the |
| 428 | tables·have·the·same·name·as·the·table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 428 | tables·have·the·same·name·as·the·table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="1124567876-1">(</span><span·class="ss">subscriber</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1124567876-2">[</span><span·class="p"·data-group-id="1124567876-2">]</span><span·class="p"·data-group-id="1124567876-1">)</span></code></pre><p>However,·if·the·table·is·created·with·an·explicit·record·name·as·argument,·as |
| 429 | shown·in·the·following·example,·subscriber·records·can·be·stored·in·both·of·the | 429 | shown·in·the·following·example,·subscriber·records·can·be·stored·in·both·of·the |
| 430 | tables·regardless·of·the·table·names:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">TabDef</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 430 | tables·regardless·of·the·table·names:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">TabDef</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9074027851-1">[</span><span·class="p"·data-group-id="9074027851-2">{</span><span·class="ss">record_name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">subscriber</span><span·class="p"·data-group-id="9074027851-2">}</span><span·class[·...·truncated·by·diffoscope;·len:·28,·SHA:·bb889da4f3e15e480d34f1a4d3f90cdbd06a45a43a35ace5f77adf9434bac710·...·]51-1">]</span><span·class="p">,</span><span·class="w"> |
| 431 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 431 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="9074027851-3">(</span><span·class="ss">my_subscriber</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TabDef</span><span·class="p"·data-group-id="9074027851-3">)</span><span·class="p">,</span><span·class="w"> |
| 432 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 432 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="9074027851-4">(</span><span·class="ss">your_subscriber</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TabDef</span><span·class="p"·data-group-id="9074027851-4">)</span><span·class="p">.</span></code></pre><p>To·access·such·tables,·simplified·access·functions·(as·described·earlier)·cannot |
| 433 | be·used.·For·example,·writing·a·subscriber·record·into·a·table·requires·the | 433 | be·used.·For·example,·writing·a·subscriber·record·into·a·table·requires·the |
| 434 | function·<a·href="mnesia.html#write/3"><code·class="inline">mnesia:write/3</code></a>·instead·of·the·simplified·functions·<a·href="mnesia.html#write/1"><code·class="inline">mnesia:write/1</code></a> | 434 | function·<a·href="mnesia.html#write/3"><code·class="inline">mnesia:write/3</code></a>·instead·of·the·simplified·functions·<a·href="mnesia.html#write/1"><code·class="inline">mnesia:write/1</code></a> |
| 435 | and·<a·href="mnesia.html#s_write/1"><code·class="inline">mnesia:s_write/1</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 435 | and·<a·href="mnesia.html#s_write/1"><code·class="inline">mnesia:s_write/1</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="3565893536-1">(</span><span·class="ss">subscriber</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">subscriber</span><span·class="p"·data-group-id="3565893536-2">{</span><span·class="p"·data-group-id="3565893536[·...·truncated·by·diffoscope;·len:·130,·SHA:·c6bb3c7a2b88bf5e7ea4d303b9800f098b8a20e159b96269f86656a4147525db·...·]-1">)</span><span·class="w"> |
| 436 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 436 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="3565893536-3">(</span><span·class="ss">my_subscriber</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">subscriber</span><span·class="p"·data-group-id="3565893536-4">{</span><span·class="p"·data-group-id="3565893[·...·truncated·by·diffoscope;·len:·140,·SHA:·6626d51d77ccbcbd0e0a702c129511025fc686441a250751b92642d9243cffcf·...·]-3">)</span><span·class="w"> |
| 437 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 437 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="3565893536-5">(</span><span·class="ss">your_subscriber</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">subscriber</span><span·class="p"·data-group-id="3565893536-6">{</span><span·class="p"·data-group-id="35658[·...·truncated·by·diffoscope;·len:·135,·SHA:·4f0298d7e7befadeac7b9390e3aca2cce1a6c73903f3352c7aab2a6175cf8f01·...·]-5">)</span></code></pre><p>The·following·simple·code·illustrates·the·relationship·between·the·simplified |
| 438 | access·functions·used·in·most·of·the·examples·and·their·more·flexible | 438 | access·functions·used·in·most·of·the·examples·and·their·more·flexible |
| 439 | counterparts:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_write</span><span·class="p"·data-group-id=" | 439 | counterparts:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_write</span><span·class="p"·data-group-id="3793920401-1">(</span><span·class="n">Record</span><span·class="p"·data-group-id="3793920401-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 440 | ··</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 440 | ··</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id="3793920401-2">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Record</span><span·class="p"·data-group-id="3793920401-2">)</span><span·class="p">,</span><span·class="w"> |
| 441 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_write</span><span·class="p"·data-group-id=" | 441 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_write</span><span·class="p"·data-group-id="3793920401-3">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Record</span><span·class="p"·data-group-id="3793920401-3">)</span><span·class="p">.</span><span·class="w"> |
| 442 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_delete</span><span·class="p"·data-group-id=" | 442 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_delete</span><span·class="p"·data-group-id="3793920401-4">(</span><span·class="p"·data-group-id="3793920401-5">{</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="3793920401-5">}</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·13,·SHA:·1dd4eacf67ab33f7b94ab6848d039d99c7a3fdf0368a21a3d4493806e0448965·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 443 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_delete</span><span·class="p"·data-group-id=" | 443 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_delete</span><span·class="p"·data-group-id="3793920401-6">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="3793920401-6">)</span><span·class="p">.</span><span·class="w"> |
| 444 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_delete_object</span><span·class="p"·data-group-id=" | 444 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_delete_object</span><span·class="p"·data-group-id="3793920401-7">(</span><span·class="n">Record</span><span·class="p"·data-group-id="3793920401-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 445 | ··</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 445 | ··</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id="3793920401-8">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Record</span><span·class="p"·data-group-id="3793920401-8">)</span><span·class="p">,</span><span·class="w"> |
| 446 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_delete_object</span><span·class="p"·data-group-id=" | 446 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_delete_object</span><span·class="p"·data-group-id="3793920401-9">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Record</span><span·class="p"·data-group-id="3793920401-9">)</span><span·class="w"> |
| 447 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_update_counter</span><span·class="p"·data-group-id=" | 447 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_update_counter</span><span·class="p"·data-group-id="3793920401-10">(</span><span·class="p"·data-group-id="3793920401-11">{</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="3793920401-11">}</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·91,·SHA:·65c0932b8ed470786fad7fc2bfd1037d17faa5a08ea1010c4bd6982821f8abd8·...·]-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 448 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_update_counter</span><span·class="p"·data-group-id=" | 448 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_update_counter</span><span·class="p"·data-group-id="3793920401-12">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Incr</span><span·class="p"·data-group-id="3793920401-12">)</span><span·class="p">.</span><span·class="w"> |
| 449 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_read</span><span·class="p"·data-group-id=" | 449 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_read</span><span·class="p"·data-group-id="3793920401-13">(</span><span·class="p"·data-group-id="3793920401-14">{</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="3793920401-14">}</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·f3adc9c7afaad0e93a27f9334d1c419421bae4f8dfb0c0680009a50667b40fe4·...·]-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 450 | ··</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 450 | ··</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id="3793920401-15">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Record</span><span·class="p"·data-group-id="3793920401-15">)</span><span·class="p">,</span><span·class="w"> |
| 451 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_read</span><span·class="p"·data-group-id=" | 451 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_read</span><span·class="p"·data-group-id="3793920401-16">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Key</span><span·class="p"·data-group-id="3793920401-16">)</span><span·class="p">.</span><span·class="w"> |
| 452 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_match_object</span><span·class="p"·data-group-id=" | 452 | </span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_match_object</span><span·class="p"·data-group-id="3793920401-17">(</span><span·class="n">Pattern</span><span·class="p"·data-group-id="3793920401-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 453 | ··</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 453 | ··</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">element</span><span·class="p"·data-group-id="3793920401-18">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pattern</span><span·class="p"·data-group-id="3793920401-18">)</span><span·class="p">,</span><span·class="w"> |
| 454 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_match_object</span><span·class="p"·data-group-id=" | 454 | ··</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">dirty_match_object</span><span·class="p"·data-group-id="3793920401-19">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pattern</span><span·class="p"·data-group-id="3793920401-19">)</span><span·class="p">.</span><span·class="w"> |
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| 163 | different·Erlang·nodes·in·various·ways.·The·<code·class="inline">Mnesia</code>·programmer·does·not·need·to | 163 | different·Erlang·nodes·in·various·ways.·The·<code·class="inline">Mnesia</code>·programmer·does·not·need·to |
| 164 | state·where·the·different·tables·reside,·only·the·names·of·the·different·tables | 164 | state·where·the·different·tables·reside,·only·the·names·of·the·different·tables |
| 165 | need·to·be·specified·in·the·program·code.·This·is·known·as·"location | 165 | need·to·be·specified·in·the·program·code.·This·is·known·as·"location |
| 166 | transparency"·and·is·an·important·concept.·In·particular:</p><ul><li><p>A·program·works·regardless·of·the·data·location.·It·makes·no·difference | 166 | transparency"·and·is·an·important·concept.·In·particular:</p><ul><li><p>A·program·works·regardless·of·the·data·location.·It·makes·no·difference |
| 167 | whether·the·data·resides·on·the·local·node·or·on·a·remote·node.</p><p>Notice·that·the·program·runs·slower·if·the·data·is·located·on·a·remote·node.</p></li><li><p>The·database·can·be·reconfigured,·and·tables·can·be·moved·between·nodes.·These | 167 | whether·the·data·resides·on·the·local·node·or·on·a·remote·node.</p><p>Notice·that·the·program·runs·slower·if·the·data·is·located·on·a·remote·node.</p></li><li><p>The·database·can·be·reconfigured,·and·tables·can·be·moved·between·nodes.·These |
| 168 | operations·do·not·affect·the·user·programs.</p></li></ul><p>It·has·previously·been·shown·that·each·table·has·a·number·of·system·attributes, | 168 | operations·do·not·affect·the·user·programs.</p></li></ul><p>It·has·previously·been·shown·that·each·table·has·a·number·of·system·attributes, |
| 169 | such·as·<code·class="inline">index</code>·and·<code·class="inline">type</code>.</p><p>Table·attributes·are·specified·when·the·table·is·created.·For·example,·the | 169 | such·as·<code·class="inline">index</code>·and·<code·class="inline">type</code>.</p><p>Table·attributes·are·specified·when·the·table·is·created.·For·example,·the |
| 170 | following·function·creates·a·table·with·two·RAM·replicas:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 170 | following·function·creates·a·table·with·two·RAM·replicas:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="5182632535-1">(</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w"> |
| 171 | ····················</span><span·class="p"·data-group-id=" | 171 | ····················</span><span·class="p"·data-group-id="5182632535-2">[</span><span·class="p"·data-group-id="5182632535-3">{</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5182632535-4">[</span><span·class="n">N1</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·146,·SHA:·8afb391edda90121d8ec53cc1403707c94743a039aad50df021ea0ff06921b5d·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 172 | ·····················</span><span·class="p"·data-group-id=" | 172 | ·····················</span><span·class="p"·data-group-id="5182632535-5">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">record_info</span><span·class="p"·data-group-id="5182632535-6">(</span><span·class="ss">fields</span><span·class="p">,</span><span·clas[·...·truncated·by·diffoscope;·len:·241,·SHA:·4506e8b42c17cad3bb07cfd9849ddbfc255cd08f46e40b5dcfd95ee20425ecae·...·]-1">)</span><span·class="p">.</span></code></pre><p>Tables·can·also·have·the·following·properties,·where·each·attribute·has·a·list |
| 173 | of·Erlang·nodes·as·its·value:</p><ul><li><p><code·class="inline">ram_copies</code>.·The·value·of·the·node·list·is·a·list·of·Erlang·nodes,·and·a·RAM | 173 | of·Erlang·nodes·as·its·value:</p><ul><li><p><code·class="inline">ram_copies</code>.·The·value·of·the·node·list·is·a·list·of·Erlang·nodes,·and·a·RAM |
| 174 | replica·of·the·table·resides·on·each·node·in·the·list.</p><p>Notice·that·no·disc·operations·are·performed·when·a·program·executes·write | 174 | replica·of·the·table·resides·on·each·node·in·the·list.</p><p>Notice·that·no·disc·operations·are·performed·when·a·program·executes·write |
| 175 | operations·to·these·replicas.·However,·if·permanent·RAM·replicas·are·required, | 175 | operations·to·these·replicas.·However,·if·permanent·RAM·replicas·are·required, |
| 176 | the·following·alternatives·are·available:</p><ol><li>The·function·<a·href="mnesia.html#dump_tables/1"><code·class="inline">mnesia:dump_tables/1</code></a>·can·be·used·to·dump·RAM·table·replicas | 176 | the·following·alternatives·are·available:</p><ol><li>The·function·<a·href="mnesia.html#dump_tables/1"><code·class="inline">mnesia:dump_tables/1</code></a>·can·be·used·to·dump·RAM·table·replicas |
| 177 | to·disc.</li><li>The·table·replicas·can·be·backed·up,·either·from·RAM,·or·from·disc·if | 177 | to·disc.</li><li>The·table·replicas·can·be·backed·up,·either·from·RAM,·or·from·disc·if |
| 178 | dumped·there·with·this·function.</li></ol></li><li><p><code·class="inline">disc_copies</code>.·The·value·of·the·attribute·is·a·list·of·Erlang·nodes,·and·a | 178 | dumped·there·with·this·function.</li></ol></li><li><p><code·class="inline">disc_copies</code>.·The·value·of·the·attribute·is·a·list·of·Erlang·nodes,·and·a |
| 179 | replica·of·the·table·resides·both·in·RAM·and·on·disc·on·each·node·in·the·list. | 179 | replica·of·the·table·resides·both·in·RAM·and·on·disc·on·each·node·in·the·list. |
| Offset 218, 60 lines modified | Offset 218, 60 lines modified | ||
| 218 | <code·class="inline">mnesia_frag</code>·can·be·used·as·a·<code·class="inline">mnesia_access</code>·callback·module.</p><p>At·each·record·access,·<code·class="inline">mnesia_frag</code>·first·computes·a·hash·value·from·the·record | 218 | <code·class="inline">mnesia_frag</code>·can·be·used·as·a·<code·class="inline">mnesia_access</code>·callback·module.</p><p>At·each·record·access,·<code·class="inline">mnesia_frag</code>·first·computes·a·hash·value·from·the·record |
| 219 | key.·Second,·the·name·of·the·table·fragment·is·determined·from·the·hash·value. | 219 | key.·Second,·the·name·of·the·table·fragment·is·determined·from·the·hash·value. |
| 220 | Finally·the·actual·table·access·is·performed·by·the·same·functions·as·for | 220 | Finally·the·actual·table·access·is·performed·by·the·same·functions·as·for |
| 221 | non-fragmented·tables.·When·the·key·is·not·known·beforehand,·all·fragments·are | 221 | non-fragmented·tables.·When·the·key·is·not·known·beforehand,·all·fragments·are |
| 222 | searched·for·matching·records.</p><p>Notice·that·in·<code·class="inline">ordered_set</code>·tables,·the·records·are·ordered·per·fragment,·and | 222 | searched·for·matching·records.</p><p>Notice·that·in·<code·class="inline">ordered_set</code>·tables,·the·records·are·ordered·per·fragment,·and |
| 223 | the·order·is·undefined·in·results·returned·by·<code·class="inline">select</code>·and·<code·class="inline">match_object</code>,·as | 223 | the·order·is·undefined·in·results·returned·by·<code·class="inline">select</code>·and·<code·class="inline">match_object</code>,·as |
| 224 | well·as·<code·class="inline">first</code>,·<code·class="inline">next</code>,·<code·class="inline">prev</code>·and·<code·class="inline">last</code>.</p><p>The·following·code·illustrates·how·a·<code·class="inline">Mnesia</code>·table·is·converted·to·be·a | 224 | well·as·<code·class="inline">first</code>,·<code·class="inline">next</code>,·<code·class="inline">prev</code>·and·<code·class="inline">last</code>.</p><p>The·following·code·illustrates·how·a·<code·class="inline">Mnesia</code>·table·is·converted·to·be·a |
| 225 | fragmented·table·and·how·more·fragments·are·added·later:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id="1 | 225 | fragmented·table·and·how·more·fragments·are·added·later:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-1">(</span><span·class="ss">press</span><span·class="w">·</span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">G</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">abort</span><spa[·...·truncated·by·diffoscope;·len:·398,·SHA:·36abd9ac53145ada7768e322266337d63a385e73273c88db2dc8cd80f2f4d513·...·]-1">)</span><span·class="gp·unselectable"> |
| 226 | (a@sam)1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="1 | 226 | (a@sam)1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="1457350295-3">(</span><span·class="p"·data-group-id="1457350295-3">)</span><span·class="p">.</span><span·class="w"> |
| 227 | </span><span·class="nf">ok</span><span·class="w"> | 227 | </span><span·class="nf">ok</span><span·class="w"> |
| 228 | </span><span·class="p"·data-group-id="1 | 228 | </span><span·class="p"·data-group-id="1457350295-4">(</span><span·class="ss">a@sam</span><span·class="p"·data-group-id="1457350295-4">)</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">system[·...·truncated·by·diffoscope;·len:·146,·SHA:·1883f6dfd094cc3452acdc1735819ec6a61f623458d1fe3161112ed9b0acd776·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 229 | </span><span·class="p"·data-group-id="1 | 229 | </span><span·class="p"·data-group-id="1457350295-6">[</span><span·class="ss">b@sam</span><span·class="p">,</span><span·class="ss">c@sam</span><span·class="p">,</span><span·class="ss">a@sam</span><span·class="p"·data-group-id="1457350295-6">]</span><span·class="gp·unselectable"> |
| 230 | (a@sam)3>·</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">dictionary</span><span·class="p">.</span><span·class="w"> | 230 | (a@sam)3>·</span><span·class="n">Tab</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">dictionary</span><span·class="p">.</span><span·class="w"> |
| 231 | </span><span·class="nf">dictionary</span><span·class="w"> | 231 | </span><span·class="nf">dictionary</span><span·class="w"> |
| 232 | </span><span·class="p"·data-group-id="1 | 232 | </span><span·class="p"·data-group-id="1457350295-7">(</span><span·class="ss">a@sam</span><span·class="p"·data-group-id="1457350295-7">)</span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create[·...·truncated·by·diffoscope;·len:·691,·SHA:·6c2b8728810d46bd8f0ba3fb9b69037c1d19ca0d9b478fadb7944a6cd7ae6f16·...·]-8">)</span><span·class="p">.</span><span·class="w"> |
| 233 | </span><span·class="p"·data-group-id="1 | 233 | </span><span·class="p"·data-group-id="1457350295-12">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="1457350295-12">}</span><span·class="gp·unselectable"> |
| 234 | (a@sam)5>·</span><span·class="n">Write</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1 | 234 | (a@sam)5>·</span><span·class="n">Write</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1457350295-13">(</span><span·class="n">Keys</span><span·class="p"·data-group-id="1457350295-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-14">[</span><span·class="nc">mnesia[·...·truncated·by·diffoscope;·len:·663,·SHA:·5a3f019b4061a88ecb4731b56642362c76f17921485319b84720e539e023871b·...·]-14">]</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 235 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> | 235 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> |
| 236 | (a@sam)6>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1 | 236 | (a@sam)6>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1457350295-17">(</span><span·class="ss">sync_dirty</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Write</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-18">[</span><span·class="nc">lists[·...·truncated·by·diffoscope;·len:·444,·SHA:·aef7bf397f542b1cc6743dab8f00cddef59835332f5dd9a795e0b69270866176·...·]-17">)</span><span·class="p">.</span><span·class="w"> |
| 237 | </span><span·class="nf">ok</span><span·class="w"> | 237 | </span><span·class="nf">ok</span><span·class="w"> |
| 238 | </span><span·class="p"·data-group-id="1 | 238 | </span><span·class="p"·data-group-id="1457350295-20">(</span><span·class="ss">a@sam</span><span·class="p"·data-group-id="1457350295-20">)</span><span·class="mi">7</span><span·class="o">></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">chan[·...·truncated·by·diffoscope;·len:·485,·SHA:·9e943561bd89dbc59ded5c7b4061a9e477931b164268de68a8f8ed6d1e17a9c5·...·]-21">)</span><span·class="p">.</span><span·class="w"> |
| 239 | </span><span·class="p"·data-group-id="1 | 239 | </span><span·class="p"·data-group-id="1457350295-24">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="1457350295-24">}</span><span·class="gp·unselectable"> |
| 240 | (a@sam)8>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">table_info</span><span·class="p"·data-group-id="1 | 240 | (a@sam)8>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">table_info</span><span·class="p"·data-group-id="1457350295-25">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">frag_properties</span><span·class="p"·data-group-id="1457350295-25">)</span><span·class="p">.</span><span·class="w"> |
| 241 | </span><span·class="p"·data-group-id="1 | 241 | </span><span·class="p"·data-group-id="1457350295-26">[</span><span·class="p"·data-group-id="1457350295-27">{</span><span·class="ss">base_table</span><span·class="p">,</span><span·class="ss">dictionary</span><span·class="p"·data-group-id="1457350295-27">}</span><span·class="p">,</span><span·class="w"> |
| 242 | ·</span><span·class="p"·data-group-id="1 | 242 | ·</span><span·class="p"·data-group-id="1457350295-28">{</span><span·class="ss">foreign_key</span><span·class="p">,</span><span·class="ss">undefined</span><span·class="p"·data-group-id="1457350295-28">}</span><span·class="p">,</span><span·class="w"> |
| 243 | ·</span><span·class="p"·data-group-id="1 | 243 | ·</span><span·class="p"·data-group-id="1457350295-29">{</span><span·class="ss">hash_module</span><span·class="p">,</span><span·class="ss">mnesia_frag_hash</span><span·class="p"·data-group-id="1457350295-29">}</span><span·class="p">,</span><span·class="w"> |
| 244 | ·</span><span·class="p"·data-group-id="1 | 244 | ·</span><span·class="p"·data-group-id="1457350295-30">{</span><span·class="ss">hash_state</span><span·class="p">,</span><span·class="p"·data-group-id="1457350295-31">{</span><span·class="ss">hash_state</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi[·...·truncated·by·diffoscope;·len:·208,·SHA:·f60777e8344cac49b46e54754a9e85f10a42b160486103f99c3e883ab704254c·...·]-30">}</span><span·class="p">,</span><span·class="w"> |
| 245 | ·</span><span·class="p"·data-group-id="1 | 245 | ·</span><span·class="p"·data-group-id="1457350295-32">{</span><span·class="ss">n_fragments</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="1457350295-32">}</span><span·class="p">,</span><span·class="w"> |
| 246 | ·</span><span·class="p"·data-group-id="1 | 246 | ·</span><span·class="p"·data-group-id="1457350295-33">{</span><span·class="ss">node_pool</span><span·class="p">,</span><span·class="p"·data-group-id="1457350295-34">[</span><span·class="ss">a@sam</span><span·class="p">,</span><span·class="ss">b@sam</span><span·class="p">,</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·161,·SHA:·ac4b969460f14568d96928099e2dc2cab3a59b704f8943b73643b9aa93dec04d·...·]-26">]</span><span·class="gp·unselectable"> |
| 247 | (a@sam)9>·</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1 | 247 | (a@sam)9>·</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1457350295-35">(</span><span·class="n">Item</span><span·class="p"·data-group-id="1457350295-35">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">table_[·...·truncated·by·diffoscope;·len:·207,·SHA:·aa329a7bf24d2636d6bd5e9c712bd28a7d6caa72690b89dc8ee56f8a5939e265·...·]-36">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 248 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> | 248 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> |
| 249 | (a@sam)10>·</span><span·class="n">Dist</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1 | 249 | (a@sam)10>·</span><span·class="n">Dist</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1457350295-37">(</span><span·class="ss">sync_dirty</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Info</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-38">[</span><span·class="ss">frag_d[·...·truncated·by·diffoscope;·len:·188,·SHA:·47b0e2a2d21b80c67d71bb0947c950a0a2a854dc1cc1834d301ce7d676c8cd9f·...·]-37">)</span><span·class="p">.</span><span·class="w"> |
| 250 | </span><span·class="p"·data-group-id="1 | 250 | </span><span·class="p"·data-group-id="1457350295-39">[</span><span·class="p"·data-group-id="1457350295-40">{</span><span·class="ss">c@sam</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="1457350295-40">}</span><span·class="p">,</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·413,·SHA:·2692d6bcaf2f3363b0e36c5587405d56312d984c13ac8f51f5ac810a12c14cb4·...·]-39">]</span><span·class="gp·unselectable"> |
| 251 | (a@sam)11>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">change_table_frag</span><span·class="p"·data-group-id="1 | 251 | (a@sam)11>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">change_table_frag</span><span·class="p"·data-group-id="1457350295-43">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-44">{</span><span·class="ss">add_frag</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dist</span[·...·truncated·by·diffoscope;·len:·96,·SHA:·cca5c9230f2d30974518034475f96c3fd129febcfe2ff818d730c8a38c848b04·...·]-43">)</span><span·class="p">.</span><span·class="w"> |
| 252 | </span><span·class="p"·data-group-id="1 | 252 | </span><span·class="p"·data-group-id="1457350295-45">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="1457350295-45">}</span><span·class="gp·unselectable"> |
| 253 | (a@sam)12>·</span><span·class="n">Dist2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1 | 253 | (a@sam)12>·</span><span·class="n">Dist2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1457350295-46">(</span><span·class="ss">sync_dirty</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Info</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-47">[</span><span·class="ss">frag_d[·...·truncated·by·diffoscope;·len:·188,·SHA:·bdaf368bae3de9330296e705c58160a072cba3ad50bb61d8abd16795d6a5e561·...·]-46">)</span><span·class="p">.</span><span·class="w"> |
| 254 | </span><span·class="p"·data-group-id="1 | 254 | </span><span·class="p"·data-group-id="1457350295-48">[</span><span·class="p"·data-group-id="1457350295-49">{</span><span·class="ss">b@sam</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="1457350295-49">}</span><span·class="p">,</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·413,·SHA:·6447c75a4238faf24dc9f6f17a2776d0eedd6e0b33ae7751d53408fc63b7faee·...·]-48">]</span><span·class="gp·unselectable"> |
| 255 | (a@sam)13>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">change_table_frag</span><span·class="p"·data-group-id="1 | 255 | (a@sam)13>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">change_table_frag</span><span·class="p"·data-group-id="1457350295-52">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-53">{</span><span·class="ss">add_frag</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dist2</spa[·...·truncated·by·diffoscope;·len:·97,·SHA:·17729382cec7519c0c33fa0c941fcaa45af160fc4f2f3ddcccb0d85af98c0ed3·...·]-52">)</span><span·class="p">.</span><span·class="w"> |
| 256 | </span><span·class="p"·data-group-id="1 | 256 | </span><span·class="p"·data-group-id="1457350295-54">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="1457350295-54">}</span><span·class="gp·unselectable"> |
| 257 | (a@sam)14>·</span><span·class="n">Dist3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1 | 257 | (a@sam)14>·</span><span·class="n">Dist3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1457350295-55">(</span><span·class="ss">sync_dirty</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Info</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-56">[</span><span·class="ss">frag_d[·...·truncated·by·diffoscope;·len:·188,·SHA:·0aa1cfdf5f1ca1eb7c55d676aff83af7f456e4532c0fadec50b3880742fefdf9·...·]-55">)</span><span·class="p">.</span><span·class="w"> |
| 258 | </span><span·class="p"·data-group-id="1 | 258 | </span><span·class="p"·data-group-id="1457350295-57">[</span><span·class="p"·data-group-id="1457350295-58">{</span><span·class="ss">a@sam</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="1457350295-58">}</span><span·class="p">,</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·413,·SHA:·88d97afd313104e7ef4533cd74033e37750830821d3ee68b4c6fb6e1347db378·...·]-57">]</span><span·class="gp·unselectable"> |
| 259 | (a@sam)15>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">change_table_frag</span><span·class="p"·data-group-id="1 | 259 | (a@sam)15>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">change_table_frag</span><span·class="p"·data-group-id="1457350295-61">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-62">{</span><span·class="ss">add_frag</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dist3</spa[·...·truncated·by·diffoscope;·len:·97,·SHA:·16937c3d8242f03f4bce56f6e1e8b50721edc5656348e698f072d13ca3b949b2·...·]-61">)</span><span·class="p">.</span><span·class="w"> |
| 260 | </span><span·class="p"·data-group-id="1 | 260 | </span><span·class="p"·data-group-id="1457350295-63">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="1457350295-63">}</span><span·class="gp·unselectable"> |
| 261 | (a@sam)16>·</span><span·class="n">Read</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1 | 261 | (a@sam)16>·</span><span·class="n">Read</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1457350295-64">(</span><span·class="n">Key</span><span·class="p"·data-group-id="1457350295-64">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">read</s[·...·truncated·by·diffoscope;·len:·307,·SHA:·bcfe4086f43b0b2158f3baa9f698abbfc6b3f0fdcc5129a928fa858c7a97ebcd·...·]-65">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 262 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> | 262 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> |
| 263 | (a@sam)17>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1 | 263 | (a@sam)17>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1457350295-67">(</span><span·class="ss">transaction</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Read</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-68">[</span><span·class="mi">12</s[·...·truncated·by·diffoscope;·len:·182,·SHA:·06c7955b49de28f3c885b71f8e4567d9cc77f4d09ea69259bbab5d37ac5451f0·...·]-67">)</span><span·class="p">.</span><span·class="w"> |
| 264 | </span><span·class="p"·data-group-id="1 | 264 | </span><span·class="p"·data-group-id="1457350295-69">[</span><span·class="p"·data-group-id="1457350295-70">{</span><span·class="ss">dictionary</span><span·class="p">,</span><span·class="mi">12</span><span·class="p">,</span><span·class="o">-</span><span·class="mi">12</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·73,·SHA:·304391f39700e53642ac5c23a41f47abfe5acb05b85afad64934ad5cf8e8e15e·...·]-69">]</span><span·class="gp·unselectable"> |
| 265 | (a@sam)18>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1 | 265 | (a@sam)18>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1457350295-71">(</span><span·class="ss">sync_dirty</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Info</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1457350295-72">[</span><span·class="ss">frag_s[·...·truncated·by·diffoscope;·len:·188,·SHA:·6b43b7331c9911e7286789d14369608d3ee60bc5c4c0acf25670651b300521fb·...·]-71">)</span><span·class="p">.</span><span·class="w"> |
| 266 | </span><span·class="p"·data-group-id="1 | 266 | </span><span·class="p"·data-group-id="1457350295-73">[</span><span·class="p"·data-group-id="1457350295-74">{</span><span·class="ss">dictionary</span><span·class="p">,</span><span·class="mi">57</span><span·class="p"·data-group-id="1457350295-74">}</span><span·class="p">,</span><span·class="w"> |
| 267 | ·</span><span·class="p"·data-group-id="1 | 267 | ·</span><span·class="p"·data-group-id="1457350295-75">{</span><span·class="ss">dictionary_frag2</span><span·class="p">,</span><span·class="mi">63</span><span·class="p"·data-group-id="1457350295-75">}</span><span·class="p">,</span><span·class="w"> |
| 268 | ·</span><span·class="p"·data-group-id="1 | 268 | ·</span><span·class="p"·data-group-id="1457350295-76">{</span><span·class="ss">dictionary_frag3</span><span·class="p">,</span><span·class="mi">62</span><span·class="p"·data-group-id="1457350295-76">}</span><span·class="p">,</span><span·class="w"> |
| 269 | ·</span><span·class="p"·data-group-id="1 | 269 | ·</span><span·class="p"·data-group-id="1457350295-77">{</span><span·class="ss">dictionary_frag4</span><span·class="p">,</span><span·class="mi">74</span><span·class="p"·data-group-id="1457350295-77">}</span><span·class="p"·data-group-id="1457350295-73">]</span><span·class="w"> |
| 270 | </span><span·class="p"·data-group-id="1 | 270 | </span><span·class="p"·data-group-id="1457350295-78">(</span><span·class="ss">a@sam</span><span·class="p"·data-group-id="1457350295-78">)</span><span·class="mi">19</span><span·class="o">></span></code></pre><h3·id="fragmentation-properties"·class="section-heading"> |
| 271 | ··<a·href="#fragmentation-properties"·class="hover-link"> | 271 | ··<a·href="#fragmentation-properties"·class="hover-link"> |
| 272 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 272 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 273 | ··</a> | 273 | ··</a> |
| 274 | ··<span·class="text">Fragmentation·Properties</span> | 274 | ··<span·class="text">Fragmentation·Properties</span> |
| 275 | </h3> | 275 | </h3> |
| 276 | <p>The·table·property·<code·class="inline">frag_properties</code>·can·be·read·with·the·function | 276 | <p>The·table·property·<code·class="inline">frag_properties</code>·can·be·read·with·the·function |
| 277 | <a·href="mnesia.html#table_info/2"><code·class="inline">mnesia:table_info(Tab,·frag_properties)</code></a>.·The | 277 | <a·href="mnesia.html#table_info/2"><code·class="inline">mnesia:table_info(Tab,·frag_properties)</code></a>.·The |
| Offset 305, 72 lines modified | Offset 305, 72 lines modified | ||
| 305 | defaults·to·<code·class="inline">undefined</code>.·However,·if·the·foreign·key·is·set·to·something·else, | 305 | defaults·to·<code·class="inline">undefined</code>.·However,·if·the·foreign·key·is·set·to·something·else, |
| 306 | it·causes·the·default·values·of·the·other·fragmentation·properties·to·be·the | 306 | it·causes·the·default·values·of·the·other·fragmentation·properties·to·be·the |
| 307 | same·values·as·the·actual·fragmentation·properties·of·the·foreign·table.</p></li><li><p><strong><code·class="inline">{hash_module,·Atom}</code></strong>·-·Enables·definition·of·an·alternative·hashing | 307 | same·values·as·the·actual·fragmentation·properties·of·the·foreign·table.</p></li><li><p><strong><code·class="inline">{hash_module,·Atom}</code></strong>·-·Enables·definition·of·an·alternative·hashing |
| 308 | scheme.·The·module·must·implement·the·<a·href="mnesia_frag_hash.html"><code·class="inline">mnesia_frag_hash</code></a>·callback·behavior. | 308 | scheme.·The·module·must·implement·the·<a·href="mnesia_frag_hash.html"><code·class="inline">mnesia_frag_hash</code></a>·callback·behavior. |
| 309 | This·property·can·explicitly·be·set·at·table·creation.·Default·is | 309 | This·property·can·explicitly·be·set·at·table·creation.·Default·is |
| 310 | <code·class="inline">mnesia_frag_hash</code>.</p></li><li><p><strong><code·class="inline">{hash_state,·Term}</code></strong>·-·Enables·a·table-specific·parameterization·of·a | 310 | <code·class="inline">mnesia_frag_hash</code>.</p></li><li><p><strong><code·class="inline">{hash_state,·Term}</code></strong>·-·Enables·a·table-specific·parameterization·of·a |
| 311 | generic·hash·module.·This·property·can·explicitly·be·set·at·table·creation. | 311 | generic·hash·module.·This·property·can·explicitly·be·set·at·table·creation. |
| 312 | Default·is·<code·class="inline">undefined</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id=" | 312 | Default·is·<code·class="inline">undefined</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id="1182375275-1">(</span><span·class="ss">press</span><span·class="w">·</span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">G</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">abort</span><sp[·...·truncated·by·diffoscope;·len:·398,·SHA:·2d4d252dd5e6554a1261f7a701870f091793dce5968ab3710bd32f0f9ffafb49·...·]5-1">)</span><span·class="gp·unselectable"> |
| 313 | (a@sam)1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 313 | (a@sam)1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="1182375275-3">(</span><span·class="p"·data-group-id="1182375275-3">)</span><span·class="p">.</span><span·class="w"> |
| 314 | </span><span·class="nf">ok</span><span·class="w"> | 314 | </span><span·class="nf">ok</span><span·class="w"> |
| 315 | </span><span·class="p"·data-group-id=" | 315 | </span><span·class="p"·data-group-id="1182375275-4">(</span><span·class="ss">a@sam</span><span·class="p"·data-group-id="1182375275-4">)</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="n">PrimProps</span><span·class="w">·</span><span·class="o">=</s[·...·truncated·by·diffoscope;·len:·810,·SHA:·862d919e7b41b964a1505056675b2792fe7e8a190f446b9828a95dfdd086461a·...·]5-5">]</span><span·class="p">.</span><span·class="w"> |
| 316 | </span><span·class="p"·data-group-id=" | 316 | </span><span·class="p"·data-group-id="1182375275-10">[</span><span·class="p"·data-group-id="1182375275-11">{</span><span·class="ss">n_fragments</span><span·class="p">,</span><span·class="mi">7</span><span·class="p"·data-group-id="1182375275-11">}</span><span·class="p">,</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·325,·SHA:·1624a748eba690e0ea75840d77d10603a0406c48591e54b35f464a643e72a24b·...·]5-10">]</span><span·class="gp·unselectable"> |
| 317 | (a@sam)3>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 317 | (a@sam)3>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="1182375275-14">(</span><span·class="ss">prim_dict</span><span·class="p">,</span><span·class="w"> |
| 318 | ······························</span><span·class="p"·data-group-id=" | 318 | ······························</span><span·class="p"·data-group-id="1182375275-15">[</span><span·class="p"·data-group-id="1182375275-16">{</span><span·class="ss">frag_properties</span><span·class="p">,</span><span·class="w">·</span><span·class="n">PrimProps</span><span·class="p"·data-group-id="1182375275-16">}</span><span·class="p">,</span><span·class="w"> |
| 319 | ·······························</span><span·class="p"·data-group-id=" | 319 | ·······························</span><span·class="p"·data-group-id="1182375275-17">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1182375275-18">[</span><span·class="ss">prim_key</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·217,·SHA:·f01f2aa7015ed8808ca06318532678810cbd19c39f286ebb32c0fc42dd885394·...·]5-14">)</span><span·class="p">.</span><span·class="w"> |
| 320 | </span><span·class="p"·data-group-id=" | 320 | </span><span·class="p"·data-group-id="1182375275-19">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="1182375275-19">}</span><span·class="gp·unselectable"> |
| 321 | (a@sam)4>·</span><span·class="n">SecProps</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 321 | (a@sam)4>·</span><span·class="n">SecProps</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1182375275-20">[</span><span·class="p"·data-group-id="1182375275-21">{</span><span·class="ss">foreign_key</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1182375275-22">{</span><span·class="ss">prim_dict</span><span·cla[·...·truncated·by·diffoscope;·len:·218,·SHA:·aa64d70c744d0aba05cd63fdff090bbf7e0dd6da70db64806d0d81898a1bd2e2·...·]5-20">]</span><span·class="p">.</span><span·class="w"> |
| 322 | </span><span·class="p"·data-group-id=" | 322 | </span><span·class="p"·data-group-id="1182375275-23">[</span><span·class="p"·data-group-id="1182375275-24">{</span><span·class="ss">foreign_key</span><span·class="p">,</span><span·class="p"·data-group-id="1182375275-25">{</span><span·class="ss">prim_dict</span><span·class="p">,</span><span·cla[·...·truncated·by·diffoscope;·len:·170,·SHA:·7b631f61c5e8a2c52fd65a4c0dc5edd643e51ca882d9648a807b822d87beb4ec·...·]5-23">]</span><span·class="gp·unselectable"> |
| 323 | (a@sam)5>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 323 | (a@sam)5>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="1182375275-26">(</span><span·class="ss">sec_dict</span><span·class="p">,</span><span·class="w"> |
| 324 | ······························</span><span·class="p"·data-group-id=" | 324 | ······························</span><span·class="p"·data-group-id="1182375275-27">[</span><span·class="p"·data-group-id="1182375275-28">{</span><span·class="ss">frag_properties</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SecProps</span><span·class="p"·data-group-id="1182375275-28">}</span><span·class="p">,</span><span·class="w"> |
| 325 | ·······························</span><span·class="p"·data-group-id=" | 325 | ·······························</span><span·class="p"·data-group-id="1182375275-29">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1182375275-30">[</span><span·class="ss">sec_key</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">s[·...·truncated·by·diffoscope;·len:·215,·SHA:·2992a23ffc19fb9454a13e4766da68d6bb645ef67f50b9aaf8dcbccd00e95cb1·...·]5-26">)</span><span·class="p">.</span><span·class="w"> |
| 326 | </span><span·class="p"·data-group-id=" | 326 | </span><span·class="p"·data-group-id="1182375275-31">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="1182375275-31">}</span><span·class="gp·unselectable"> |
| 327 | (a@sam)6>·</span><span·class="n">Write</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 327 | (a@sam)6>·</span><span·class="n">Write</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1182375275-32">(</span><span·class="n">Rec</span><span·class="p"·data-group-id="1182375275-32">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">write<[·...·truncated·by·diffoscope;·len:·126,·SHA:·5cd6aac7be1930b87524fcd870e71ff22dba5b5f2fce8711a3d7be270afe5939·...·]5-33">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 328 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> | 328 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> |
| 329 | (a@sam)7>·</span><span·class="n">PrimKey</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">11</span><span·class="p">.</span><span·class="w"> | 329 | (a@sam)7>·</span><span·class="n">PrimKey</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">11</span><span·class="p">.</span><span·class="w"> |
| 330 | </span><span·class="mi">11</span><span·class="gp·unselectable"> | 330 | </span><span·class="mi">11</span><span·class="gp·unselectable"> |
| 331 | (a@sam)8>·</span><span·class="n">SecKey</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="p">.</span><span·class="w"> | 331 | (a@sam)8>·</span><span·class="n">SecKey</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="p">.</span><span·class="w"> |
| 332 | </span><span·class="mi">42</span><span·class="gp·unselectable"> | 332 | </span><span·class="mi">42</span><span·class="gp·unselectable"> |
| 333 | (a@sam)9>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id=" | 333 | (a@sam)9>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1182375275-34">(</span><span·class="ss">sync_dirty</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Write</span><span·class="p">,</span><span·class="w"> |
| 334 | ··························</span><span·class="p"·data-group-id=" | 334 | ··························</span><span·class="p"·data-group-id="1182375275-35">[</span><span·class="p"·data-group-id="1182375275-36">{</span><span·class="ss">prim_dict</span><span·class="p">,</span><span·class="w">·</span><span·class="n">PrimKey</span><span·class="p">,</span><span·class="w">·</span><span·class="o">-</s[·...·truncated·by·diffoscope;·len:·261,·SHA:·62147cddd021bdc0b01402f17821eb9beb5b26cce3dd37fe8ccc73fb614fae15·...·]5-34">)</span><span·class="p">.</span><span·class="w"> |
| 335 | </span><span·class="nf">ok</span><span·class="w"> | 335 | </span><span·class="nf">ok</span><span·class="w"> |
| 336 | </span><span·class="p"·data-group-id=" | 336 | </span><span·class="p"·data-group-id="1182375275-37">(</span><span·class="ss">a@sam</span><span·class="p"·data-group-id="1182375275-37">)</span><span·class="mi">10</span><span·class="o">></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">ac[·...·truncated·by·diffoscope;·len:·53,·SHA:·7d774d77ba729dc7b68ef8283aba444d6bb9ba11da0afe6833d55d132cdc1eee·...·]5-38">(</span><span·class="ss">sync_dirty</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Write</span><span·class="p">,</span><span·class="w"> |
| 337 | ···························</span><span·class="p"·data-group-id=" | 337 | ···························</span><span·class="p"·data-group-id="1182375275-39">[</span><span·class="p"·data-group-id="1182375275-40">{</span><span·class="ss">sec_dict</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SecKey</span><span·class="p">,</span><span·class="w">·</span><span·class="n">PrimKe[·...·truncated·by·diffoscope;·len:·239,·SHA:·8932b0b8376b7393c83fef2fada5087130517681cc61a558307e417b7e492644·...·]5-38">)</span><span·class="p">.</span><span·class="w"> |
| 338 | </span><span·class="nf">ok</span><span·class="w"> | 338 | </span><span·class="nf">ok</span><span·class="w"> |
| 339 | </span><span·class="p"·data-group-id=" | 339 | </span><span·class="p"·data-group-id="1182375275-41">(</span><span·class="ss">a@sam</span><span·class="p"·data-group-id="1182375275-41">)</span><span·class="mi">11</span><span·class="o">></span><span·class="w">·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">ch[·...·truncated·by·diffoscope;·len:·629,·SHA:·b8d051233b67c436bc324ac6448cabf05a5e7451a516afee7b7734ee2d465a13·...·]5-42">)</span><span·class="p">.</span><span·class="w"> |
| 340 | </span><span·class="p"·data-group-id=" | 340 | </span><span·class="p"·data-group-id="1182375275-46">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="1182375275-46">}</span><span·class="gp·unselectable"> |
| 341 | (a@sam)12>·</span><span·class="n">SecRead</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 341 | (a@sam)12>·</span><span·class="n">SecRead</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1182375275-47">(</span><span·class="n">PrimKey</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SecKey</span><span·class="p"·data-group-id="1182375275-47">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 342 | ···············</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">read</span><span·class="p"·data-group-id=" | 342 | ···············</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">read</span><span·class="p"·data-group-id="1182375275-48">(</span><span·class="p"·data-group-id="1182375275-49">{</span><span·class="ss">sec_dict</span><span·class="p">,</span><span·class="w">·</span><span·class="n">PrimKey</span><span·class="p"·data-group-id="1182375275-49">}</span><span·class="p"[·...·truncated·by·diffoscope;·len:·178,·SHA:·8d14f878d8e6d98c60ed41198d322c2e704a07a12f4a5ca53e51c6b6bcb6f18f·...·]5-48">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 343 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> | 343 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> |
| 344 | (a@sam)13>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id=" | 344 | (a@sam)13>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1182375275-50">(</span><span·class="ss">transaction</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SecRead</span><span·class="p">,</span><span·class="w"> |
| 345 | ···························</span><span·class="p"·data-group-id=" | 345 | ···························</span><span·class="p"·data-group-id="1182375275-51">[</span><span·class="n">PrimKey</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SecKey</span><span·class="p"·data-group-id="1182375275-51">]</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">mnesia_[·...·truncated·by·diffoscope;·len:·51,·SHA:·79e76c223c6897a7742d882d3da2320e513e641e6d5271ba69a4f2f686f2a5c4·...·]5-50">)</span><span·class="p">.</span><span·class="w"> |
| 346 | </span><span·class="p"·data-group-id=" | 346 | </span><span·class="p"·data-group-id="1182375275-52">[</span><span·class="p"·data-group-id="1182375275-53">{</span><span·class="ss">sec_dict</span><span·class="p">,</span><span·class="mi">42</span><span·class="p">,</span><span·class="mi">11</span><span·class="p"·data-group-id="1182375275-53">}[·...·truncated·by·diffoscope;·len:·47,·SHA:·b07d4bf1d7297630b8e030186d246881bb891450cba426cff14e956b6801fa47·...·]5-52">]</span><span·class="gp·unselectable"> |
| 347 | (a@sam)14>·</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 347 | (a@sam)14>·</span><span·class="n">Info</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1182375275-54">(</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Item</span><span·class="p"·data-group-id="1182375275-54">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·281,·SHA:·6fafe2d16ba20bdd71a45a2a7da211b50e6581da37f3e69886fde892f3d6d7f7·...·]5-55">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 348 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> | 348 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="o"><</span><span·class="ss">erl_eval</span><span·class="o">></span><span·class="gp·unselectable"> |
| 349 | (a@sam)15>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id=" | 349 | (a@sam)15>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">activity</span><span·class="p"·data-group-id="1182375275-56">(</span><span·class="ss">sync_dirty</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Info</span><span·class="p">,</span><span·class="w"> |
| 350 | ···························</span><span·class="p"·data-group-id=" | 350 | ···························</span><span·class="p"·data-group-id="1182375275-57">[</span><span·class="ss">prim_dict</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">frag_size</span><span·class="p"·data-group-id="1182375275-57">]</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·58,·SHA:·627b44eb294387860ef2faf15df718b8bfdd70a698e1db9e422da081bb4e850a·...·]5-56">)</span><span·class="p">.</span><span·class="w"> |
| 351 | </span><span·class="p"·data-group-id=" | 351 | </span><span·class="p"·data-group-id="1182375275-58">[</span><span·class="p"·data-group-id="1182375275-59">{</span><span·class="ss">prim_dict</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="1182375275-59">}</span><span·class="p">,</span><span·class="w"> |
| 352 | ·</span><span·class="p"·data-group-id=" | 352 | ·</span><span·class="p"·data-group-id="1182375275-60">{</span><span·class="ss">prim_dict_frag2</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="1182375275-60">}</span><span·class="p">,</span><span·class="w"> |
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| 229 | ··</a> | 229 | ··</a> |
| 230 | ··<span·class="text">Startup·Files</span> | 230 | ··<span·class="text">Startup·Files</span> |
| 231 | </h3> | 231 | </h3> |
| 232 | <p><a·href="mnesia_chap3.html#start_mnesia">Start·Mnesia</a>·states·the·following·prerequisites | 232 | <p><a·href="mnesia_chap3.html#start_mnesia">Start·Mnesia</a>·states·the·following·prerequisites |
| 233 | for·starting·<code·class="inline">Mnesia</code>:</p><ul><li>An·Erlang·session·must·be·started·and·a·<code·class="inline">Mnesia</code>·directory·must·be·specified | 233 | for·starting·<code·class="inline">Mnesia</code>:</p><ul><li>An·Erlang·session·must·be·started·and·a·<code·class="inline">Mnesia</code>·directory·must·be·specified |
| 234 | for·the·database.</li><li>A·database·schema·must·be·initiated,·using·the·function | 234 | for·the·database.</li><li>A·database·schema·must·be·initiated,·using·the·function |
| 235 | <a·href="mnesia.html#create_schema/1"><code·class="inline">mnesia:create_schema/1</code></a>.</li></ul><p>The·following·example·shows·how·these·tasks·are·performed:</p><p><em>Step·1:</em>·Start·an·Erlang·session·and·specify·a·<code·class="inline">Mnesia</code>·directory·for·the | 235 | <a·href="mnesia.html#create_schema/1"><code·class="inline">mnesia:create_schema/1</code></a>.</li></ul><p>The·following·example·shows·how·these·tasks·are·performed:</p><p><em>Step·1:</em>·Start·an·Erlang·session·and·specify·a·<code·class="inline">Mnesia</code>·directory·for·the |
| 236 | database:</p><pre><code·class="text">%·erl·-sname·klacke·-mnesia·dir·'"/ldisc/scratch/klacke"'</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id=" | 236 | database:</p><pre><code·class="text">%·erl·-sname·klacke·-mnesia·dir·'"/ldisc/scratch/klacke"'</code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id="6675776267-1">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">15.1</span><span·class="p">.</span><span·class="mi">2</span><span·class="p"·data-group-id="6675776267-1">]</span><span·class="w"> |
| 237 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id=" | 237 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mf">1.2</span><span·class="w">·</span><span·class="p"·data-group-id="6675776267-2">(</span><span·class="ss">press</span><span·class="w">·</span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">G</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">abort</span><sp[·...·truncated·by·diffoscope;·len:·399,·SHA:·bda7c349ec0604b767ffd6eff5b20abe9e2391c8d17c2548db8a42ae9c022a4a·...·]-2">)</span><span·class="gp·unselectable"> |
| 238 | (klacke@gin)1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id=" | 238 | (klacke@gin)1>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_schema</span><span·class="p"·data-group-id="6675776267-4">(</span><span·class="p"·data-group-id="6675776267-5">[</span><span·class="nf">node</span><span·class="p"·data-group-id="6675776267-6">(</span><span·class="p"·data-group-id="6675776267-6">)</span><span·class="p"·data-group-id="6675776267-5">]<[·...·truncated·by·diffoscope;·len:·47,·SHA:·8ec03a55f8ccfa8e12d78f85c414eef6c8dea646bd01667a11d95a2c8edb6777·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 239 | </span><span·class="nf">ok</span><span·class="w"> | 239 | </span><span·class="nf">ok</span><span·class="w"> |
| 240 | </span><span·class="p"·data-group-id=" | 240 | </span><span·class="p"·data-group-id="6675776267-7">(</span><span·class="ss">klacke@gin</span><span·class="p"·data-group-id="6675776267-7">)</span><span·class="mi">2</span><span·class="o">></span><span·class="w"> |
| 241 | </span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">Z</span><span·class="w"> | 241 | </span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">Z</span><span·class="w"> |
| 242 | </span><span·class="p"·data-group-id=" | 242 | </span><span·class="p"·data-group-id="6675776267-8">[</span><span·class="mi">1</span><span·class="p"·data-group-id="6675776267-8">]</span><span·class="o">+</span><span·class="w">··</span><span·class="n">Stopped</span><span·class="w">·················</span><span·class="ss">erl</span></code></pre><p><em>Step·2:</em>·You·can·inspect·the·<code·class="inline">Mnesia</code>·directory·to·see·what·files·have·been |
| 243 | created:</p><pre><code·class="text">%·ls·-l·/ldisc/scratch/klacke | 243 | created:</p><pre><code·class="text">%·ls·-l·/ldisc/scratch/klacke |
| 244 | -rw-rw-r--···1·klacke···staff·······247·Aug·12·15:06·FALLBACK.BUP</code></pre><p>The·response·shows·that·the·file·<code·class="inline">FALLBACK.BUP</code>·has·been·created.·This·is·called | 244 | -rw-rw-r--···1·klacke···staff·······247·Aug·12·15:06·FALLBACK.BUP</code></pre><p>The·response·shows·that·the·file·<code·class="inline">FALLBACK.BUP</code>·has·been·created.·This·is·called |
| 245 | a·backup·file,·and·it·contains·an·initial·schema.·If·more·than·one·node·in·the | 245 | a·backup·file,·and·it·contains·an·initial·schema.·If·more·than·one·node·in·the |
| 246 | function·<a·href="mnesia.html#create_schema/1"><code·class="inline">mnesia:create_schema/1</code></a>·had·been·specified,·identical·backup·files | 246 | function·<a·href="mnesia.html#create_schema/1"><code·class="inline">mnesia:create_schema/1</code></a>·had·been·specified,·identical·backup·files |
| 247 | would·have·been·created·on·all·nodes.</p><p><em>Step·3:</em>·Start·<code·class="inline">Mnesia</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(klacke@gin)3>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="5 | 247 | would·have·been·created·on·all·nodes.</p><p><em>Step·3:</em>·Start·<code·class="inline">Mnesia</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(klacke@gin)3>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="5821893394-1">(</span><span·class="p"·data-group-id="5821893394-1">)</span><span·class="p">.</span><span·class="w"> |
| 248 | </span><span·class="ss">ok</span></code></pre><p><em>Step·4:</em>·You·can·see·the·following·listing·in·the·<code·class="inline">Mnesia</code>·directory:</p><pre><code·class="text">-rw-rw-r--···1·klacke···staff·········86·May·26·19:03·LATEST.LOG | 248 | </span><span·class="ss">ok</span></code></pre><p><em>Step·4:</em>·You·can·see·the·following·listing·in·the·<code·class="inline">Mnesia</code>·directory:</p><pre><code·class="text">-rw-rw-r--···1·klacke···staff·········86·May·26·19:03·LATEST.LOG |
| 249 | -rw-rw-r--···1·klacke···staff······34507·May·26·19:03·schema.DAT</code></pre><p>The·schema·in·the·backup·file·<code·class="inline">FALLBACK.BUP</code>·has·been·used·to·generate·the·file | 249 | -rw-rw-r--···1·klacke···staff······34507·May·26·19:03·schema.DAT</code></pre><p>The·schema·in·the·backup·file·<code·class="inline">FALLBACK.BUP</code>·has·been·used·to·generate·the·file |
| 250 | <code·class="inline">schema.DAT</code>.·Since·there·are·no·other·disc·resident·tables·than·the·schema,·no | 250 | <code·class="inline">schema.DAT</code>.·Since·there·are·no·other·disc·resident·tables·than·the·schema,·no |
| 251 | other·data·files·were·created.·The·file·<code·class="inline">FALLBACK.BUP</code>·was·removed·after·the | 251 | other·data·files·were·created.·The·file·<code·class="inline">FALLBACK.BUP</code>·was·removed·after·the |
| 252 | successful·"restoration".·You·also·see·some·files·that·are·for·internal·use·by | 252 | successful·"restoration".·You·also·see·some·files·that·are·for·internal·use·by |
| 253 | <code·class="inline">Mnesia</code>.</p><p><em>Step·5:</em>·Create·a·table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(klacke@gin)4>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="3967440955-1">(</span><span·class="ss">foo</span><span·class="p">,</span><span·class="p"·data-group-id="3967440955-2">[</span><span·class="p"·data-group-id="3967440955-3">{</span><span·class="ss">disc_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3967440955-4">[</span><span·class="nf">node</span><span·class="p"·data-group-id="3967440955-5">(</span><span·class="p"·data-group-id="3967440955-5">)</span><span·class="p"·data-group-id="3967440955-4">]</span><span·class="p"·data-group-id="3967440955-3">}</span><span·class="p"·data-group-id="3967440955-2">]</span><span·class="p"·data-group-id="3967440955-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 254 | < | 253 | <code·class="inline">Mnesia</code>.</p><p><em>Step·5:</em>·Create·a·table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(klacke@gin)4>·</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">creat[·...·truncated·by·diffoscope;·len:·746,·SHA:·d3aca09d23ca91995c1ddf1cf8b2c37f2a6f2ab63fcb7029319de471fd7a6f73·...·] |
| 254 | </span><span·class="p"·data-group-id="8793348298-6">{</span><span·class="ss">atomic</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p"·data-group-id="8793348298-6">}</span></code></pre><p><em>Step·6:</em>·You·can·see·the·following·listing·in·the·<code·class="inline">Mnesia</code>·directory:</p><pre><code·class="text">%·ls·-l·/ldisc/scratch/klacke | ||
| 255 | -rw-rw-r--·1·klacke·staff····86·May·26·19:07·LATEST.LOG | 255 | -rw-rw-r--·1·klacke·staff····86·May·26·19:07·LATEST.LOG |
| 256 | -rw-rw-r--·1·klacke·staff····94·May·26·19:07·foo.DCD | 256 | -rw-rw-r--·1·klacke·staff····94·May·26·19:07·foo.DCD |
| 257 | -rw-rw-r--·1·klacke·staff··6679·May·26·19:07·schema.DAT</code></pre><p>The·file·<code·class="inline">foo.DCD</code>·has·been·created.·This·file·will·eventually·store·all·data | 257 | -rw-rw-r--·1·klacke·staff··6679·May·26·19:07·schema.DAT</code></pre><p>The·file·<code·class="inline">foo.DCD</code>·has·been·created.·This·file·will·eventually·store·all·data |
| 258 | that·is·written·into·the·<code·class="inline">foo</code>·table.</p><h3·id="log-file"·class="section-heading"> | 258 | that·is·written·into·the·<code·class="inline">foo</code>·table.</p><h3·id="log-file"·class="section-heading"> |
| 259 | ··<a·href="#log-file"·class="hover-link"> | 259 | ··<a·href="#log-file"·class="hover-link"> |
| 260 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 260 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 261 | ··</a> | 261 | ··</a> |
| Offset 292, 19 lines modified | Offset 292, 19 lines modified | ||
| 292 | and·it·is·efficient·to·insert·and·search·for·records·in·these·files·with·a | 292 | and·it·is·efficient·to·insert·and·search·for·records·in·these·files·with·a |
| 293 | specific·key.·The·<code·class="inline">.DAT</code>·files·are·used·for·the·schema·and·for | 293 | specific·key.·The·<code·class="inline">.DAT</code>·files·are·used·for·the·schema·and·for |
| 294 | <code·class="inline">disc_only_copies</code>·tables.·The·<code·class="inline">Mnesia</code>·data·files·are·currently·implemented·in | 294 | <code·class="inline">disc_only_copies</code>·tables.·The·<code·class="inline">Mnesia</code>·data·files·are·currently·implemented·in |
| 295 | the·standard·library·module·<a·href="../../../../lib/stdlib-6.2.1/doc/html/dets.html"><code·class="inline">dets</code></a>·in·<code·class="inline">STDLIB</code>.</p><p>All·operations·that·can·be·performed·on·<code·class="inline">dets</code>·files·can·also·be·performed·on | 295 | the·standard·library·module·<a·href="../../../../lib/stdlib-6.2.1/doc/html/dets.html"><code·class="inline">dets</code></a>·in·<code·class="inline">STDLIB</code>.</p><p>All·operations·that·can·be·performed·on·<code·class="inline">dets</code>·files·can·also·be·performed·on |
| 296 | the·<code·class="inline">Mnesia</code>·data·files.·For·example,·<code·class="inline">dets</code>·contains·the·function | 296 | the·<code·class="inline">Mnesia</code>·data·files.·For·example,·<code·class="inline">dets</code>·contains·the·function |
| 297 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/dets.html#traverse/2"><code·class="inline">dets:traverse/2</code></a>,·which·can·be·used·to·view·the·contents·of·a·<code·class="inline">Mnesia</code>·<code·class="inline">DAT</code> | 297 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/dets.html#traverse/2"><code·class="inline">dets:traverse/2</code></a>,·which·can·be·used·to·view·the·contents·of·a·<code·class="inline">Mnesia</code>·<code·class="inline">DAT</code> |
| 298 | file.·However,·this·can·only·be·done·when·<code·class="inline">Mnesia</code>·is·not·running.·So,·to·view | 298 | file.·However,·this·can·only·be·done·when·<code·class="inline">Mnesia</code>·is·not·running.·So,·to·view |
| 299 | the·schema·file,·do·as·follows;</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 299 | the·schema·file,·do·as·follows;</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6889640790-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p"·data-group-id="6889640790-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·687,·SHA:·95bc5efdc5122aed67c84dde25cac956ee85af616242920d6be61d1fb84424b3·...·]0-5">}</span><span·class="p">,</span><span·class="w"> |
| 300 | </span><span·class="p"·data-group-id=" | 300 | </span><span·class="p"·data-group-id="6889640790-6">{</span><span·class="ss">keypos</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p"·data-group-id="6889640790-6">}</span><span·class="p"·data-group-id="6889640790-3">]</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·15,·SHA:·6c90f8c6a67050c30f7ca424faf4049c202da907f31c958f67edcffd0a57f7d2·...·]0-2">)</span><span·class="p">,</span><span·class="w"> |
| 301 | </span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 301 | </span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="6889640790-7">(</span><span·class="n">X</span><span·class="p"·data-group-id="6889640790-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><[·...·truncated·by·diffoscope;·len:·380,·SHA:·39750e908b9d83f49097ad9ee377a49d39fd63ceee255eacdca009dac245bde5·...·]0-8">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">continue</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 302 | </span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">traverse</span><span·class="p"·data-group-id=" | 302 | </span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">traverse</span><span·class="p"·data-group-id="6889640790-10">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">F</span><span·class="p"·data-group-id="6889640790-10">)</span><span·class="p">,</span><span·class="w"> |
| 303 | </span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 303 | </span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="6889640790-11">(</span><span·class="n">N</span><span·class="p"·data-group-id="6889640790-11">)</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>The·<code·class="inline">DAT</code>·files·must·always·be·opened·with·option·<code·class="inline">{repair,·false}</code>.·This |
| 304 | ensures·that·these·files·are·not·automatically·repaired.·Without·this·option, | 304 | ensures·that·these·files·are·not·automatically·repaired.·Without·this·option, |
| 305 | the·database·can·become·inconsistent,·because·<code·class="inline">Mnesia</code>·can·believe·that·the | 305 | the·database·can·become·inconsistent,·because·<code·class="inline">Mnesia</code>·can·believe·that·the |
| 306 | files·were·properly·closed.·For·information·about·configuration·parameter | 306 | files·were·properly·closed.·For·information·about·configuration·parameter |
| 307 | <code·class="inline">auto_repair</code>,·see·the·Reference·Manual.</p></section><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>It·is·recommended·that·the·data·files·are·not·tampered·with·while·<code·class="inline">Mnesia</code>·is | 307 | <code·class="inline">auto_repair</code>,·see·the·Reference·Manual.</p></section><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>It·is·recommended·that·the·data·files·are·not·tampered·with·while·<code·class="inline">Mnesia</code>·is |
| 308 | running.·While·not·prohibited,·the·behavior·of·<code·class="inline">Mnesia</code>·is·unpredictable.</p></section><p>The·<code·class="inline">disc_copies</code>·tables·are·stored·on·disk·with·<code·class="inline">.DCL</code>·and·<code·class="inline">.DCD</code>·files,·which | 308 | running.·While·not·prohibited,·the·behavior·of·<code·class="inline">Mnesia</code>·is·unpredictable.</p></section><p>The·<code·class="inline">disc_copies</code>·tables·are·stored·on·disk·with·<code·class="inline">.DCL</code>·and·<code·class="inline">.DCD</code>·files,·which |
| 309 | are·standard·<code·class="inline">disk_log</code>·files.</p><h2·id="loading-tables-at-startup"·class="section-heading"> | 309 | are·standard·<code·class="inline">disk_log</code>·files.</p><h2·id="loading-tables-at-startup"·class="section-heading"> |
| 310 | ··<a·href="#loading-tables-at-startup"·class="hover-link"> | 310 | ··<a·href="#loading-tables-at-startup"·class="hover-link"> |
| Offset 530, 46 lines modified | Offset 530, 46 lines modified | ||
| 530 | of·what·<code·class="inline">record_name</code>·is·set·to.</li></ul><p>The·backup·data·is·divided·into·two·sections.·The·first·section·contains | 530 | of·what·<code·class="inline">record_name</code>·is·set·to.</li></ul><p>The·backup·data·is·divided·into·two·sections.·The·first·section·contains |
| 531 | information·related·to·the·schema.·All·schema-related·items·are·tuples·where·the | 531 | information·related·to·the·schema.·All·schema-related·items·are·tuples·where·the |
| 532 | first·field·equals·the·atom·schema.·The·second·section·is·the·record·section. | 532 | first·field·equals·the·atom·schema.·The·second·section·is·the·record·section. |
| 533 | Schema·records·cannot·be·mixed·with·other·records·and·all·schema·records·must·be | 533 | Schema·records·cannot·be·mixed·with·other·records·and·all·schema·records·must·be |
| 534 | located·first·in·the·backup.</p><p>The·schema·itself·is·a·table·and·is·possibly·included·in·the·backup.·Each·node | 534 | located·first·in·the·backup.</p><p>The·schema·itself·is·a·table·and·is·possibly·included·in·the·backup.·Each·node |
| 535 | where·the·schema·table·resides·is·regarded·as·a·<code·class="inline">db_node</code>.</p><p>The·following·example·shows·how | 535 | where·the·schema·table·resides·is·regarded·as·a·<code·class="inline">db_node</code>.</p><p>The·following·example·shows·how |
| 536 | <a·href="mnesia.html#traverse_backup/4"><code·class="inline">mnesia:traverse_backup</code></a>·can·be·used·to·rename·a | 536 | <a·href="mnesia.html#traverse_backup/4"><code·class="inline">mnesia:traverse_backup</code></a>·can·be·used·to·rename·a |
| 537 | <code·class="inline">db_node</code>·in·a·backup·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">change_node_name</span><span·class="p"·data-group-id=" | 537 | <code·class="inline">db_node</code>·in·a·backup·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">change_node_name</span><span·class="p"·data-group-id="1806044805-1">(</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">To</span><span·class="p">,</span><span·class="w">·</span><span·class=[·...·truncated·by·diffoscope;·len:·135,·SHA:·a56f93b49e9ff7594ca33872672e13f4139df945275683c517e0463ea603c825·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 538 | ····</span><span·class="n">Switch</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 538 | ····</span><span·class="n">Switch</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 539 | ········</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 539 | ········</span><span·class="nf">fun</span><span·class="p"·data-group-id="1806044805-2">(</span><span·class="n">Node</span><span·class="p"·data-group-id="1806044805-2">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Node</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="n">From</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">To</span><span·class="p">;</span><span·class="w"> |
| 540 | ···········</span><span·class="p"·data-group-id=" | 540 | ···········</span><span·class="p"·data-group-id="1806044805-3">(</span><span·class="n">Node</span><span·class="p"·data-group-id="1806044805-3">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Node</span><span·class="w">·</span><span·class="o">==</span><sp[·...·truncated·by·diffoscope;·len:·466,·SHA:·a9cf3880aa6e1c136955d6cf6d0fa048646f483f8e2b49dd28870e105dbf5b17·...·]-4">)</span><span·class="p">;</span><span·class="w"> |
| 541 | ···········</span><span·class="p"·data-group-id=" | 541 | ···········</span><span·class="p"·data-group-id="1806044805-6">(</span><span·class="n">Node</span><span·class="p"·data-group-id="1806044805-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Node</span><span·class="w"> |
| 542 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 542 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 543 | ····</span><span·class="n">Convert</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 543 | ····</span><span·class="n">Convert</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 544 | ········</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 544 | ········</span><span·class="nf">fun</span><span·class="p"·data-group-id="1806044805-7">(</span><span·class="p"·data-group-id="1806044805-8">{</span><span·class="ss">schema</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">version</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Version<[·...·truncated·by·diffoscope;·len:·174,·SHA:·ead900220e5ae388211cd524961af55f197d67c4550c51cfef93ab951e4fbd0f·...·]-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 545 | ················</span><span·class="p"·data-group-id=" | 545 | ················</span><span·class="p"·data-group-id="1806044805-9">{</span><span·class="p"·data-group-id="1806044805-10">[</span><span·class="p"·data-group-id="1806044805-11">{</span><span·class="ss">schema</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">version</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·284,·SHA:·b4825fb82f67cfef42b71530b6affd65ac1cac21c2e0a01eec018f8b5d701fb0·...·]-9">}</span><span·class="p">;</span><span·class="w"> |
| 546 | ···········</span><span·class="p"·data-group-id=" | 546 | ···········</span><span·class="p"·data-group-id="1806044805-12">(</span><span·class="p"·data-group-id="1806044805-13">{</span><span·class="ss">schema</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">cookie</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cookie<[·...·truncated·by·diffoscope;·len:·175,·SHA:·d90137a3e78067716046c1fb6a8eeaa02f6f16c5409a08a8bf544b1f10511dc9·...·]-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 547 | ················</span><span·class="p"·data-group-id=" | 547 | ················</span><span·class="p"·data-group-id="1806044805-14">{</span><span·class="p"·data-group-id="1806044805-15">[</span><span·class="p"·data-group-id="1806044805-16">{</span><span·class="ss">schema</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">cookie</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·283,·SHA:·87d2a6fc1a22d7522a115bad8b6b155625a41c4936ae7b7fda644ede9595f719·...·]-14">}</span><span·class="p">;</span><span·class="w"> |
| 548 | ···········</span><span·class="p"·data-group-id=" | 548 | ···········</span><span·class="p"·data-group-id="1806044805-17">(</span><span·class="p"·data-group-id="1806044805-18">{</span><span·class="ss">schema</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</span><span·class="w">·</span><span·class="n">CreateList<[·...·truncated·by·diffoscope;·len:·175,·SHA:·1eddd09eb11bba2ecaf5f41259fa8f53ef1f50e999183a4cf8f744a746cf1463·...·]-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 549 | ················</span><span·class="n">Keys</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 549 | ················</span><span·class="n">Keys</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1806044805-19">[</span><span·class="ss">ram_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">disc_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">disc_only_copies</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·13,·SHA:·83f839d51720a6e44849c1a6a1b0393ca5a4bfe9a8c79e85465f047691ad8549·...·]-19">]</span><span·class="p">,</span><span·class="w"> |
| 550 | ················</span><span·class="n">OptSwitch</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 550 | ················</span><span·class="n">OptSwitch</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 551 | ····················</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 551 | ····················</span><span·class="nf">fun</span><span·class="p"·data-group-id="1806044805-20">(</span><span·class="p"·data-group-id="1806044805-21">{</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Val</span><span·class="p"·data-group-id="1806044805-21">}</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·0df08e4fffd4697d4d5f437350d868e1e03ae3bf00b68b5d0650391dcd4550bf·...·]-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 552 | ····························</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id=" | 552 | ····························</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id="1806044805-22">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Keys</span><span·class="p"·data-group-id="1806044805-22">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 553 | ································</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id=" | 553 | ································</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="1806044805-23">{</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="1806044805-24">(</span><span·class="n">Switch</s[·...·truncated·by·diffoscope;·len:·173,·SHA:·53e47d9af185d1d20921102b18efa7c700b21aaefb89a158f692b695a3aa4bd4·...·]-23">}</span><span·class="p">;</span><span·class="w"> |
| 554 | ································</span><span·class="ss">false</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id=" | 554 | ································</span><span·class="ss">false</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="1806044805-25">{</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Val</span><span·class="p"·data-group-id="1806044805-25">}</span><span·class="w"> |
| 555 | ····························</span><span·class="k">end</span><span·class="w"> | 555 | ····························</span><span·class="k">end</span><span·class="w"> |
| 556 | ····················</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 556 | ····················</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 557 | ················</span><span·class="p"·data-group-id=" | 557 | ················</span><span·class="p"·data-group-id="1806044805-26">{</span><span·class="p"·data-group-id="1806044805-27">[</span><span·class="p"·data-group-id="1806044805-28">{</span><span·class="ss">schema</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tab</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·551,·SHA:·428155381220277b2686377dcb79b4f6f31b72458ce820aff775fe787b50d7e0·...·]-26">}</span><span·class="p">;</span><span·class="w"> |
| 558 | ···········</span><span·class="p"·data-group-id=" | 558 | ···········</span><span·class="p"·data-group-id="1806044805-30">(</span><span·class="n">Other</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="1806044805-30">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 559 | ················</span><span·class="p"·data-group-id=" | 559 | ················</span><span·class="p"·data-group-id="1806044805-31">{</span><span·class="p"·data-group-id="1806044805-32">[</span><span·class="n">Other</span><span·class="p"·data-group-id="1806044805-32">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·18,·SHA:·3733209f9463d96b3c3be6990bd06e2f5e57d67a19286f3bf4d7f044884e4599·...·]-31">}</span><span·class="w"> |
| 560 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 560 | ········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 561 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">traverse_backup</span><span·class="p"·data-group-id=" | 561 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">traverse_backup</span><span·class="p"·data-group-id="1806044805-33">(</span><span·class="n">Source</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Target</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·220,·SHA:·7a751c3b65c3022a29bef5012c9acc1abeb0ca603026d0783a532109b236aa9a·...·]-33">)</span><span·class="p">.</span><span·class="w"> |
| 562 | </span><span·class="nf">view</span><span·class="p"·data-group-id=" | 562 | </span><span·class="nf">view</span><span·class="p"·data-group-id="1806044805-34">(</span><span·class="n">Source</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p"·data-group-id="1806044805-34">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 563 | ····</span><span·class="n">View</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 563 | ····</span><span·class="n">View</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="1806044805-35">(</span><span·class="n">Item</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="1806044805-35">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 564 | ···················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 564 | ···················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="1806044805-36">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">.</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="p"·data-group-id="1806044805-37">[</span><span·class="n">Item<[·...·truncated·by·diffoscope;·len:·101,·SHA:·a5ed4a8feab4c33aeb4d79faec0ee1499a63d542989b1451167c1a9235d37880·...·]-36">)</span><span·class="p">,</span><span·class="w"> |
| 565 | ···················</span><span·class="p"·data-group-id=" | 565 | ···················</span><span·class="p"·data-group-id="1806044805-38">{</span><span·class="p"·data-group-id="1806044805-39">[</span><span·class="n">Item</span><span·class="p"·data-group-id="1806044805-39">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·114,·SHA:·d2109449c6f2f52857fdd21d56460acacaa73143c95c92e1f5f144ced975b81d·...·]-38">}</span><span·class="w"> |
| 566 | ···········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 566 | ···········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 567 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">traverse_backup</span><span·class="p"·data-group-id=" | 567 | ····</span><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">traverse_backup</span><span·class="p"·data-group-id="1806044805-40">(</span><span·class="n">Source</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">dummy</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·217,·SHA:·b96372ae29e304d176fecfe571daadce2c19584a2ced9cda39427bb9c65e09c0·...·]-40">)</span><span·class="p">.</span></code></pre><h3·id="restore"·class="section-heading"> |
| 568 | ··<a·href="#restore"·class="hover-link"> | 568 | ··<a·href="#restore"·class="hover-link"> |
| 569 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 569 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 570 | ··</a> | 570 | ··</a> |
| 571 | ··<span·class="text">Restore</span> | 571 | ··<span·class="text">Restore</span> |
| 572 | </h3> | 572 | </h3> |
| 573 | <p>Tables·can·be·restored·online·from·a·backup·without·restarting·<code·class="inline">Mnesia</code>.·A | 573 | <p>Tables·can·be·restored·online·from·a·backup·without·restarting·<code·class="inline">Mnesia</code>.·A |
| 574 | restore·is·performed·with·the·function | 574 | restore·is·performed·with·the·function |
| Offset 705, 15 lines modified | Offset 705, 15 lines modified | ||
| 705 | ······<p·class="built-using"> | 705 | ······<p·class="built-using"> |
| 706 | ········Built·using | 706 | ········Built·using |
| 707 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 707 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 708 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 708 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 709 | ······</p> | 709 | ······</p> |
| 710 | <p>Copyright·©·1996-202 | 710 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 711 | ····</footer> | 711 | ····</footer> |
| 712 | ··</div> | 712 | ··</div> |
| 713 | </main> | 713 | </main> |
| 714 | </div> | 714 | </div> |
| 715 | <script> | 715 | <script> |
| 716 | ··function·mermaidLoaded()·{ | 716 | ··function·mermaidLoaded()·{ |
| 717 | ····mermaid.initialize({ | 717 | ····mermaid.initialize({ |
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| 187 | ······<p·class="built-using"> | 187 | ······<p·class="built-using"> |
| 188 | ········Built·using | 188 | ········Built·using |
| 189 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 189 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 190 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 190 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 191 | ······</p> | 191 | ······</p> |
| 192 | <p>Copyright·©·1996-202 | 192 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 193 | ····</footer> | 193 | ····</footer> |
| 194 | ··</div> | 194 | ··</div> |
| 195 | </main> | 195 | </main> |
| 196 | </div> | 196 | </div> |
| 197 | <script> | 197 | <script> |
| 198 | ··function·mermaidLoaded()·{ | 198 | ··function·mermaidLoaded()·{ |
| 199 | ····mermaid.initialize({ | 199 | ····mermaid.initialize({ |
| Offset 405, 15 lines modified | Offset 405, 15 lines modified | ||
| 405 | ······<p·class="built-using"> | 405 | ······<p·class="built-using"> |
| 406 | ········Built·using | 406 | ········Built·using |
| 407 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 407 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 408 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 408 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 409 | ······</p> | 409 | ······</p> |
| 410 | <p>Copyright·©·1996-202 | 410 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 411 | ····</footer> | 411 | ····</footer> |
| 412 | ··</div> | 412 | ··</div> |
| 413 | </main> | 413 | </main> |
| 414 | </div> | 414 | </div> |
| 415 | <script> | 415 | <script> |
| 416 | ··function·mermaidLoaded()·{ | 416 | ··function·mermaidLoaded()·{ |
| 417 | ····mermaid.initialize({ | 417 | ····mermaid.initialize({ |
| Offset 239, 15 lines modified | Offset 239, 15 lines modified | ||
| 239 | ······<p·class="built-using"> | 239 | ······<p·class="built-using"> |
| 240 | ········Built·using | 240 | ········Built·using |
| 241 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 241 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 242 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 242 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 243 | ······</p> | 243 | ······</p> |
| 244 | <p>Copyright·©·1996-202 | 244 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 245 | ····</footer> | 245 | ····</footer> |
| 246 | ··</div> | 246 | ··</div> |
| 247 | </main> | 247 | </main> |
| 248 | </div> | 248 | </div> |
| 249 | <script> | 249 | <script> |
| 250 | ··function·mermaidLoaded()·{ | 250 | ··function·mermaidLoaded()·{ |
| 251 | ····mermaid.initialize({ | 251 | ····mermaid.initialize({ |
| Offset 250, 16 lines modified | Offset 250, 16 lines modified | ||
| 250 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·create_table(Tab·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(),·Opt·::·[{<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(),·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()}])·->·ok.</pre> | 250 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·create_table(Tab·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(),·Opt·::·[{<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(),·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()}])·->·ok.</pre> |
| 251 | ······</div> | 251 | ······</div> |
| 252 | <section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p><em>This·function·is·deprecated.·Do·not·use·it.</em></p></section><p>A·wrapper·function·for·<a·href="mnesia.html#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>,·which·creates·a·table·(if·there | 252 | <section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p><em>This·function·is·deprecated.·Do·not·use·it.</em></p></section><p>A·wrapper·function·for·<a·href="mnesia.html#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>,·which·creates·a·table·(if·there |
| 253 | is·no·existing·table)·with·an·appropriate·set·of·<code·class="inline">attributes</code>.·The·attributes | 253 | is·no·existing·table)·with·an·appropriate·set·of·<code·class="inline">attributes</code>.·The·attributes |
| 254 | and·<code·class="inline">TabDef</code>·are·forwarded·to·<a·href="mnesia.html#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>.·For·example,·if·the·table | 254 | and·<code·class="inline">TabDef</code>·are·forwarded·to·<a·href="mnesia.html#create_table/2"><code·class="inline">mnesia:create_table/2</code></a>.·For·example,·if·the·table |
| 255 | is·to·reside·as·<code·class="inline">disc_only_copies</code>·on·all·nodes,·a·call·looks·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">TabDef</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 255 | is·to·reside·as·<code·class="inline">disc_only_copies</code>·on·all·nodes,·a·call·looks·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">TabDef</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0542244712-1">[</span><span·class="p"·data-group-id="0542244712-2">{</span><span·class="p"·data-group-id="0542244712-3">{</span><span·class="ss">disc_only_copies</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">node</span><span·class=[·...·truncated·by·diffoscope;·len:·317,·SHA:·8b22a0de6b4d8484cc6043da2bb790411774a9122a2a902a1025a85fecf4c266·...·]2-3">}</span><span·class="p">]</span><span·class="p">,</span><span·class="w"> |
| 256 | ··········</span><span·class="nc">mnesia_registry</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 256 | ··········</span><span·class="nc">mnesia_registry</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="0542244712-6">(</span><span·class="ss">my_reg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TabDef</span><span·class="p"·data-group-id="0542244712-6">)</span></code></pre> |
| 257 | ··</section> | 257 | ··</section> |
| 258 | </section> | 258 | </section> |
| 259 | ····</div> | 259 | ····</div> |
| 260 | ··</section> | 260 | ··</section> |
| 261 | ····<footer·class="footer"> | 261 | ····<footer·class="footer"> |
| Offset 280, 15 lines modified | Offset 280, 15 lines modified | ||
| 280 | ······<p·class="built-using"> | 280 | ······<p·class="built-using"> |
| 281 | ········Built·using | 281 | ········Built·using |
| 282 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 282 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 283 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 283 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 284 | ······</p> | 284 | ······</p> |
| 285 | <p>Copyright·©·1996-202 | 285 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 286 | ····</footer> | 286 | ····</footer> |
| 287 | ··</div> | 287 | ··</div> |
| 288 | </main> | 288 | </main> |
| 289 | </div> | 289 | </div> |
| 290 | <script> | 290 | <script> |
| 291 | ··function·mermaidLoaded()·{ | 291 | ··function·mermaidLoaded()·{ |
| 292 | ····mermaid.initialize({ | 292 | ····mermaid.initialize({ |
| Offset 1523, 15 lines modified | Offset 1523, 15 lines modified | ||
| 1523 | ······<p·class="built-using"> | 1523 | ······<p·class="built-using"> |
| 1524 | ········Built·using | 1524 | ········Built·using |
| 1525 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1525 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1526 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1526 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1527 | ······</p> | 1527 | ······</p> |
| 1528 | <p>Copyright·©·1996-202 | 1528 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1529 | ····</footer> | 1529 | ····</footer> |
| 1530 | ··</div> | 1530 | ··</div> |
| 1531 | </main> | 1531 | </main> |
| 1532 | </div> | 1532 | </div> |
| 1533 | <script> | 1533 | <script> |
| 1534 | ··function·mermaidLoaded()·{ | 1534 | ··function·mermaidLoaded()·{ |
| 1535 | ····mermaid.initialize({ | 1535 | ····mermaid.initialize({ |
| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 209, 15 lines modified | Offset 209, 15 lines modified | ||
| 209 | ······<p·class="built-using"> | 209 | ······<p·class="built-using"> |
| 210 | ········Built·using | 210 | ········Built·using |
| 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 213 | ······</p> | 213 | ······</p> |
| 214 | <p>Copyright·©·1996-202 | 214 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 215 | ····</footer> | 215 | ····</footer> |
| 216 | ··</div> | 216 | ··</div> |
| 217 | </main> | 217 | </main> |
| 218 | </div> | 218 | </div> |
| 219 | <script> | 219 | <script> |
| 220 | ··function·mermaidLoaded()·{ | 220 | ··function·mermaidLoaded()·{ |
| 221 | ····mermaid.initialize({ | 221 | ····mermaid.initialize({ |
| Offset 178, 15 lines modified | Offset 178, 15 lines modified | ||
| 178 | ······<p·class="built-using"> | 178 | ······<p·class="built-using"> |
| 179 | ········Built·using | 179 | ········Built·using |
| 180 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 180 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 181 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 181 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 182 | ······</p> | 182 | ······</p> |
| 183 | <p>Copyright·©·1996-202 | 183 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 184 | ····</footer> | 184 | ····</footer> |
| 185 | ··</div> | 185 | ··</div> |
| 186 | </main> | 186 | </main> |
| 187 | </div> | 187 | </div> |
| 188 | <script> | 188 | <script> |
| 189 | ··function·mermaidLoaded()·{ | 189 | ··function·mermaidLoaded()·{ |
| 190 | ····mermaid.initialize({ | 190 | ····mermaid.initialize({ |
| Offset 367, 15 lines modified | Offset 367, 15 lines modified | ||
| 367 | ······<p·class="built-using"> | 367 | ······<p·class="built-using"> |
| 368 | ········Built·using | 368 | ········Built·using |
| 369 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 369 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 370 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 370 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 371 | ······</p> | 371 | ······</p> |
| 372 | <p>Copyright·©·1996-202 | 372 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 373 | ····</footer> | 373 | ····</footer> |
| 374 | ··</div> | 374 | ··</div> |
| 375 | </main> | 375 | </main> |
| 376 | </div> | 376 | </div> |
| 377 | <script> | 377 | <script> |
| 378 | ··function·mermaidLoaded()·{ | 378 | ··function·mermaidLoaded()·{ |
| 379 | ····mermaid.initialize({ | 379 | ····mermaid.initialize({ |
| Offset 293, 15 lines modified | Offset 293, 15 lines modified | ||
| 293 | ······<p·class="built-using"> | 293 | ······<p·class="built-using"> |
| 294 | ········Built·using | 294 | ········Built·using |
| 295 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 295 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 296 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 296 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 297 | ······</p> | 297 | ······</p> |
| 298 | <p>Copyright·©·1996-202 | 298 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 299 | ····</footer> | 299 | ····</footer> |
| 300 | ··</div> | 300 | ··</div> |
| 301 | </main> | 301 | </main> |
| 302 | </div> | 302 | </div> |
| 303 | <script> | 303 | <script> |
| 304 | ··function·mermaidLoaded()·{ | 304 | ··function·mermaidLoaded()·{ |
| 305 | ····mermaid.initialize({ | 305 | ····mermaid.initialize({ |
| Offset 419, 15 lines modified | Offset 419, 15 lines modified | ||
| 419 | ······<p·class="built-using"> | 419 | ······<p·class="built-using"> |
| 420 | ········Built·using | 420 | ········Built·using |
| 421 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 421 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 422 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 422 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 423 | ······</p> | 423 | ······</p> |
| 424 | <p>Copyright·©·1996-202 | 424 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 425 | ····</footer> | 425 | ····</footer> |
| 426 | ··</div> | 426 | ··</div> |
| 427 | </main> | 427 | </main> |
| 428 | </div> | 428 | </div> |
| 429 | <script> | 429 | <script> |
| 430 | ··function·mermaidLoaded()·{ | 430 | ··function·mermaidLoaded()·{ |
| 431 | ····mermaid.initialize({ | 431 | ····mermaid.initialize({ |
| Offset 269, 15 lines modified | Offset 269, 15 lines modified | ||
| 269 | ······<p·class="built-using"> | 269 | ······<p·class="built-using"> |
| 270 | ········Built·using | 270 | ········Built·using |
| 271 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 271 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 272 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 272 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 273 | ······</p> | 273 | ······</p> |
| 274 | <p>Copyright·©·1996-202 | 274 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 275 | ····</footer> | 275 | ····</footer> |
| 276 | ··</div> | 276 | ··</div> |
| 277 | </main> | 277 | </main> |
| 278 | </div> | 278 | </div> |
| 279 | <script> | 279 | <script> |
| 280 | ··function·mermaidLoaded()·{ | 280 | ··function·mermaidLoaded()·{ |
| 281 | ····mermaid.initialize({ | 281 | ····mermaid.initialize({ |
| Offset 185, 15 lines modified | Offset 185, 15 lines modified | ||
| 185 | ······<p·class="built-using"> | 185 | ······<p·class="built-using"> |
| 186 | ········Built·using | 186 | ········Built·using |
| 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 189 | ······</p> | 189 | ······</p> |
| 190 | <p>Copyright·©·1996-202 | 190 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 191 | ····</footer> | 191 | ····</footer> |
| 192 | ··</div> | 192 | ··</div> |
| 193 | </main> | 193 | </main> |
| 194 | </div> | 194 | </div> |
| 195 | <script> | 195 | <script> |
| 196 | ··function·mermaidLoaded()·{ | 196 | ··function·mermaidLoaded()·{ |
| 197 | ····mermaid.initialize({ | 197 | ····mermaid.initialize({ |
| Offset 1164, 15 lines modified | Offset 1164, 15 lines modified | ||
| 1164 | ······<p·class="built-using"> | 1164 | ······<p·class="built-using"> |
| 1165 | ········Built·using | 1165 | ········Built·using |
| 1166 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1166 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1167 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1167 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1168 | ······</p> | 1168 | ······</p> |
| 1169 | <p>Copyright·©·1996-202 | 1169 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1170 | ····</footer> | 1170 | ····</footer> |
| 1171 | ··</div> | 1171 | ··</div> |
| 1172 | </main> | 1172 | </main> |
| 1173 | </div> | 1173 | </div> |
| 1174 | <script> | 1174 | <script> |
| 1175 | ··function·mermaidLoaded()·{ | 1175 | ··function·mermaidLoaded()·{ |
| 1176 | ····mermaid.initialize({ | 1176 | ····mermaid.initialize({ |
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| 377 | ······<p·class="built-using"> | 377 | ······<p·class="built-using"> |
| 378 | ········Built·using | 378 | ········Built·using |
| 379 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 379 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 380 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 380 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 381 | ······</p> | 381 | ······</p> |
| 382 | <p>Copyright·©·1996-202 | 382 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 383 | ····</footer> | 383 | ····</footer> |
| 384 | ··</div> | 384 | ··</div> |
| 385 | </main> | 385 | </main> |
| 386 | </div> | 386 | </div> |
| 387 | <script> | 387 | <script> |
| 388 | ··function·mermaidLoaded()·{ | 388 | ··function·mermaidLoaded()·{ |
| 389 | ····mermaid.initialize({ | 389 | ····mermaid.initialize({ |
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| 185 | ······<p·class="built-using"> | 185 | ······<p·class="built-using"> |
| 186 | ········Built·using | 186 | ········Built·using |
| 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 189 | ······</p> | 189 | ······</p> |
| 190 | <p>Copyright·©·1996-202 | 190 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 191 | ····</footer> | 191 | ····</footer> |
| 192 | ··</div> | 192 | ··</div> |
| 193 | </main> | 193 | </main> |
| 194 | </div> | 194 | </div> |
| 195 | <script> | 195 | <script> |
| 196 | ··function·mermaidLoaded()·{ | 196 | ··function·mermaidLoaded()·{ |
| 197 | ····mermaid.initialize({ | 197 | ····mermaid.initialize({ |
| Offset 331, 15 lines modified | Offset 331, 15 lines modified | ||
| 331 | ······<p·class="built-using"> | 331 | ······<p·class="built-using"> |
| 332 | ········Built·using | 332 | ········Built·using |
| 333 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 333 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 334 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 334 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 335 | ······</p> | 335 | ······</p> |
| 336 | <p>Copyright·©·1996-202 | 336 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 337 | ····</footer> | 337 | ····</footer> |
| 338 | ··</div> | 338 | ··</div> |
| 339 | </main> | 339 | </main> |
| 340 | </div> | 340 | </div> |
| 341 | <script> | 341 | <script> |
| 342 | ··function·mermaidLoaded()·{ | 342 | ··function·mermaidLoaded()·{ |
| 343 | ····mermaid.initialize({ | 343 | ····mermaid.initialize({ |
| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 1848, 21 lines modified | Offset 1848, 21 lines modified | ||
| 1848 | returns·a·match·specification,·which·turns·on·sequential·tracing·with·the | 1848 | returns·a·match·specification,·which·turns·on·sequential·tracing·with·the |
| 1849 | specified·<code·class="inline">Flags</code>.</p><p>This·match·specification·can·be·specified·as·the·last·argument·to·<code·class="inline">tp</code>·or·<code·class="inline">tpl</code>. | 1849 | specified·<code·class="inline">Flags</code>.</p><p>This·match·specification·can·be·specified·as·the·last·argument·to·<code·class="inline">tp</code>·or·<code·class="inline">tpl</code>. |
| 1850 | The·activated·<code·class="inline">Item</code>·then·becomes·a·<em>trigger</em>·for·sequential·tracing.·This·means | 1850 | The·activated·<code·class="inline">Item</code>·then·becomes·a·<em>trigger</em>·for·sequential·tracing.·This·means |
| 1851 | that·if·the·item·is·called·on·a·process·with·trace·flag·<code·class="inline">call</code>·set,·the·process | 1851 | that·if·the·item·is·called·on·a·process·with·trace·flag·<code·class="inline">call</code>·set,·the·process |
| 1852 | is·"contaminated"·with·token·<code·class="inline">seq_trace</code>.</p><p>If·<code·class="inline">Flags·=·all</code>,·all·possible·flags·are·set.</p><p>The·possible·values·for·<code·class="inline">SeqTraceFlag</code>·are·available·in·<a·href="../../../../lib/kernel-10.2.3/doc/html/seq_trace.html"><code·class="inline">seq_trace</code></a>.</p><p>For·a·description·of·the·<code·class="inline">match_spec()</code>·syntax,·see·section | 1852 | is·"contaminated"·with·token·<code·class="inline">seq_trace</code>.</p><p>If·<code·class="inline">Flags·=·all</code>,·all·possible·flags·are·set.</p><p>The·possible·values·for·<code·class="inline">SeqTraceFlag</code>·are·available·in·<a·href="../../../../lib/kernel-10.2.3/doc/html/seq_trace.html"><code·class="inline">seq_trace</code></a>.</p><p>For·a·description·of·the·<code·class="inline">match_spec()</code>·syntax,·see·section |
| 1853 | <a·href="../../../../erts-15.2.3/doc/html/match_spec.html"><code·class="inline">Match·Specifications·in·Erlang</code></a>·in·ERTS,·which | 1853 | <a·href="../../../../erts-15.2.3/doc/html/match_spec.html"><code·class="inline">Match·Specifications·in·Erlang</code></a>·in·ERTS,·which |
| 1854 | explains·the·general·match·specification·"language".</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·<em>system·tracer</em>·for·sequential·tracing·is·automatically·initiated·by·<code·class="inline">ttb</code> | 1854 | explains·the·general·match·specification·"language".</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·<em>system·tracer</em>·for·sequential·tracing·is·automatically·initiated·by·<code·class="inline">ttb</code> |
| 1855 | when·a·trace·port·is·started·with·<code·class="inline">ttb:tracer/0,1,2</code>.</p></section><p>An·example·of·how·to·use·function·<code·class="inline">seq_trigger_ms/0,1</code>·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(tiger@durin)5>·</span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">tracer</span><span·class="p"·data-group-id=" | 1855 | when·a·trace·port·is·started·with·<code·class="inline">ttb:tracer/0,1,2</code>.</p></section><p>An·example·of·how·to·use·function·<code·class="inline">seq_trigger_ms/0,1</code>·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">(tiger@durin)5>·</span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">tracer</span><span·class="p"·data-group-id="3823221755-1">(</span><span·class="p"·data-group-id="3823221755-1">)</span><span·class="p">.</span><span·class="w"> |
| 1856 | </span><span·class="p"·data-group-id=" | 1856 | </span><span·class="p"·data-group-id="3823221755-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3823221755-3">[</span><span·class="ss">tiger@durin</span><span·class="p"·data-group-id="3823221755-3">]</span><span·class="p"·data-group-id="3823221755-2">}</span><span·class="gp·unselectable"> |
| 1857 | (tiger@durin)6>·</span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">p</span><span·class="p"·data-group-id=" | 1857 | (tiger@durin)6>·</span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">p</span><span·class="p"·data-group-id="3823221755-4">(</span><span·class="ss">all</span><span·class="p">,</span><span·class="ss">call</span><span·class="p"·data-group-id="3823221755-4">)</span><span·class="p">.</span><span·class="w"> |
| 1858 | </span><span·class="p"·data-group-id=" | 1858 | </span><span·class="p"·data-group-id="3823221755-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3823221755-6">{</span><span·class="p"·data-group-id="3823221755-7">[</span><span·class="ss">all</span><span·class="p"·data-group-id="3823221755-7">]</spa[·...·truncated·by·diffoscope;·len:·253,·SHA:·57fdea0adfc406300414580654a557462c362ea1bcdf9c71154a71ed328b2b15·...·]5-5">}</span><span·class="gp·unselectable"> |
| 1859 | (tiger@durin)7>·</span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">tp</span><span·class="p"·data-group-id=" | 1859 | (tiger@durin)7>·</span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">tp</span><span·class="p"·data-group-id="3823221755-9">(</span><span·class="ss">mod</span><span·class="p">,</span><span·class="ss">func</span><span·class="p">,</span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">seq_trigger_ms</span><span·class="p"·data-group-id="3823221755-[·...·truncated·by·diffoscope;·len:·106,·SHA:·12bb571d8cebfdea8f7abb7d54166b400524192c3eefe303b8235e13e4a917e2·...·]5-9">)</span><span·class="p">.</span><span·class="w"> |
| 1860 | </span><span·class="p"·data-group-id=" | 1860 | </span><span·class="p"·data-group-id="3823221755-11">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3823221755-12">[</span><span·class="p"·data-group-id="3823221755-13">{</span><span·class="ss">matched</span><span·class="p">,</span><span·class="mi">1</[·...·truncated·by·diffoscope;·len:·363,·SHA:·1b8338840e6ff1d533a11b8e355a1f8b6ae8ee25728c07a531ed038fbda614e5·...·]5-11">}</span><span·class="w"> |
| 1861 | </span><span·class="p"·data-group-id=" | 1861 | </span><span·class="p"·data-group-id="3823221755-15">(</span><span·class="ss">tiger@durin</span><span·class="p"·data-group-id="3823221755-15">)</span><span·class="mi">8</span><span·class="o">></span></code></pre><p>Whenever·<code·class="inline">mod:func(...)</code>·is·called·after·this,·token·<code·class="inline">seq_trace</code>·is·set·on·the |
| 1862 | executing·process.</p> | 1862 | executing·process.</p> |
| 1863 | ··</section> | 1863 | ··</section> |
| 1864 | </section> | 1864 | </section> |
| 1865 | <section·class="detail"·id="start_trace/4"> | 1865 | <section·class="detail"·id="start_trace/4"> |
| 1866 | ··<div·class="detail-header"> | 1866 | ··<div·class="detail-header"> |
| 1867 | ····<a·href="#start_trace/4"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1867 | ····<a·href="#start_trace/4"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1891, 22 lines modified | Offset 1891, 22 lines modified | ||
| 1891 | ·························TracerOpts·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(), | 1891 | ·························TracerOpts·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(), |
| 1892 | ·························Result·::·{ok,·[{<a·href="#t:item/0">item</a>(),·<a·href="#t:match_desc/0">match_desc</a>()}]}.</pre> | 1892 | ·························Result·::·{ok,·[{<a·href="#t:item/0">item</a>(),·<a·href="#t:match_desc/0">match_desc</a>()}]}.</pre> |
| 1893 | ······</div> | 1893 | ······</div> |
| 1894 | <p>This·function·is·a·shortcut·allowing·to·start·a·trace·with·one·command.·Each | 1894 | <p>This·function·is·a·shortcut·allowing·to·start·a·trace·with·one·command.·Each |
| 1895 | tuple·in·<code·class="inline">Patterns</code>·is·converted·to·a·list,·which·in·turn·is·passed·to | 1895 | tuple·in·<code·class="inline">Patterns</code>·is·converted·to·a·list,·which·in·turn·is·passed·to |
| 1896 | <code·class="inline">ttb:tpl/2,3,4</code>.</p><p>The·call:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">start_trace</span><span·class="p"·data-group-id=" | 1896 | <code·class="inline">ttb:tpl/2,3,4</code>.</p><p>The·call:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">start_trace</span><span·class="p"·data-group-id="3313127996-1">(</span><span·class="p"·data-group-id="3313127996-2">[</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OtherNode</span><span·class="p"·data-group-id="3313127996-2">]</span><span·class="p">,</span><span·class="w"> |
| 1897 | ··················</span><span·class="p"·data-group-id=" | 1897 | ··················</span><span·class="p"·data-group-id="3313127996-3">[</span><span·class="p"·data-group-id="3313127996-4">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·497,·SHA:·db01579450a5bcd578adc23ee89b275a7567b856ff7c9efb8bc0a5e82b3639f3·...·]6-3">]</span><span·class="p">,</span><span·class="w"> |
| 1898 | ··················</span><span·class="p"·data-group-id=" | 1898 | ··················</span><span·class="p"·data-group-id="3313127996-7">{</span><span·class="ss">all</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">call</span><span·class="p"·data-group-id="3313127996-7">}</span><span·class="p">,</span><span·class="w"> |
| 1899 | ··················</span><span·class="p"·data-group-id=" | 1899 | ··················</span><span·class="p"·data-group-id="3313127996-8">[</span><span·class="p"·data-group-id="3313127996-9">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="n">File</span><span·class="p"·data-group-id="3313127996-9">}</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·1095,·SHA:·4ddd4a9d2894e9740c42f77d10a7dab63dbc6055636ba5f5550d3b434bdbcdbd·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 1900 | ··················</span><span·class="p"·data-group-id=" | 1900 | ··················</span><span·class="p"·data-group-id="6002782904-3">[</span><span·class="p"·data-group-id="6002782904-4">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="n">File</span><span·class="p"·data-group-id="6002782904-4">}</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·588,·SHA:·59571740238c42357b80cccd9bd1d2f6f3410c48b1f76940e69e75bc405f1bf9·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 1901 | </span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">tpl</span><span·class="p"·data-group-id=" | 1901 | </span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">tpl</span><span·class="p"·data-group-id="6002782904-7">(</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6002782904-8">[</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·63,·SHA:·a297950aa39a58f1200456503704f186211f9a91d21c7609428fa0e7f8298255·...·]-7">)</span><span·class="p">,</span><span·class="w"> |
| 1902 | </span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">tpl</span><span·class="p"·data-group-id=" | 1902 | </span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">tpl</span><span·class="p"·data-group-id="6002782904-9">(</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·138,·SHA:·85f7befb7c5de85cab947a3d35a53463a3499600fd224afe10b9cd9ff8cc0f96·...·]-9">)</span><span·class="p">,</span><span·class="w"> |
| 1903 | </span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">p</span><span·class="p"·data-group-id=" | 1903 | </span><span·class="nc">ttb</span><span·class="p">:</span><span·class="nf">p</span><span·class="p"·data-group-id="6002782904-11">(</span><span·class="ss">all</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">call</span><span·class="p"·data-group-id="6002782904-11">)</span><span·class="p">.</span></code></pre> |
| 1904 | ··</section> | 1904 | ··</section> |
| 1905 | </section> | 1905 | </section> |
| 1906 | <section·class="detail"·id="stop/0"> | 1906 | <section·class="detail"·id="stop/0"> |
| 1907 | ··<div·class="detail-header"> | 1907 | ··<div·class="detail-header"> |
| 1908 | ····<a·href="#stop/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1908 | ····<a·href="#stop/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1909 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1909 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 2440, 15 lines modified | Offset 2440, 15 lines modified | ||
| 2440 | ······<p·class="built-using"> | 2440 | ······<p·class="built-using"> |
| 2441 | ········Built·using | 2441 | ········Built·using |
| 2442 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2442 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2443 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2443 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2444 | ······</p> | 2444 | ······</p> |
| 2445 | <p>Copyright·©·1996-202 | 2445 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2446 | ····</footer> | 2446 | ····</footer> |
| 2447 | ··</div> | 2447 | ··</div> |
| 2448 | </main> | 2448 | </main> |
| 2449 | </div> | 2449 | </div> |
| 2450 | <script> | 2450 | <script> |
| 2451 | ··function·mermaidLoaded()·{ | 2451 | ··function·mermaidLoaded()·{ |
| 2452 | ····mermaid.initialize({ | 2452 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 181, 15 lines modified | Offset 181, 15 lines modified | ||
| 181 | ······<p·class="built-using"> | 181 | ······<p·class="built-using"> |
| 182 | ········Built·using | 182 | ········Built·using |
| 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 185 | ······</p> | 185 | ······</p> |
| 186 | <p>Copyright·©·1996-202 | 186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 187 | ····</footer> | 187 | ····</footer> |
| 188 | ··</div> | 188 | ··</div> |
| 189 | </main> | 189 | </main> |
| 190 | </div> | 190 | </div> |
| 191 | <script> | 191 | <script> |
| 192 | ··function·mermaidLoaded()·{ | 192 | ··function·mermaidLoaded()·{ |
| 193 | ····mermaid.initialize({ | 193 | ····mermaid.initialize({ |
| Offset 268, 15 lines modified | Offset 268, 15 lines modified | ||
| 268 | ······<p·class="built-using"> | 268 | ······<p·class="built-using"> |
| 269 | ········Built·using | 269 | ········Built·using |
| 270 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 270 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 271 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 271 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 272 | ······</p> | 272 | ······</p> |
| 273 | <p>Copyright·©·1996-202 | 273 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 274 | ····</footer> | 274 | ····</footer> |
| 275 | ··</div> | 275 | ··</div> |
| 276 | </main> | 276 | </main> |
| 277 | </div> | 277 | </div> |
| 278 | <script> | 278 | <script> |
| 279 | ··function·mermaidLoaded()·{ | 279 | ··function·mermaidLoaded()·{ |
| 280 | ····mermaid.initialize({ | 280 | ····mermaid.initialize({ |
| Offset 267, 15 lines modified | Offset 267, 15 lines modified | ||
| 267 | ······<p·class="built-using"> | 267 | ······<p·class="built-using"> |
| 268 | ········Built·using | 268 | ········Built·using |
| 269 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 269 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 270 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 270 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 271 | ······</p> | 271 | ······</p> |
| 272 | <p>Copyright·©·1996-202 | 272 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 273 | ····</footer> | 273 | ····</footer> |
| 274 | ··</div> | 274 | ··</div> |
| 275 | </main> | 275 | </main> |
| 276 | </div> | 276 | </div> |
| 277 | <script> | 277 | <script> |
| 278 | ··function·mermaidLoaded()·{ | 278 | ··function·mermaidLoaded()·{ |
| 279 | ····mermaid.initialize({ | 279 | ····mermaid.initialize({ |
| Offset 153, 85 lines modified | Offset 153, 85 lines modified | ||
| 153 | ··<span·class="text">Using·the·Erlang·API</span> | 153 | ··<span·class="text">Using·the·Erlang·API</span> |
| 154 | </h2> | 154 | </h2> |
| 155 | <p>The·following·dialog·within·the·Erlang·shell·illustrates·the·functionality·of | 155 | <p>The·following·dialog·within·the·Erlang·shell·illustrates·the·functionality·of |
| 156 | the·Erlang·ODBC·interface.·The·table·used·in·the·example·does·not·have·any | 156 | the·Erlang·ODBC·interface.·The·table·used·in·the·example·does·not·have·any |
| 157 | relevance·to·anything·that·exist·in·reality,·it·is·just·a·simple·example.·The | 157 | relevance·to·anything·that·exist·in·reality,·it·is·just·a·simple·example.·The |
| 158 | example·was·created·using·<code·class="inline">sqlserver·7.0·with·servicepack·1</code>·as·database·and·the | 158 | example·was·created·using·<code·class="inline">sqlserver·7.0·with·servicepack·1</code>·as·database·and·the |
| 159 | ODBC·driver·for·<code·class="inline">sqlserver</code>·with·version·<code·class="inline">2000.80.194.00</code>.</p><pre><code·class="text">·1·>·odbc:start(). | 159 | ODBC·driver·for·<code·class="inline">sqlserver</code>·with·version·<code·class="inline">2000.80.194.00</code>.</p><pre><code·class="text">·1·>·odbc:start(). |
| 160 | ······ok</code></pre><p>Connect·to·the·database</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">2</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id=" | 160 | ······ok</code></pre><p>Connect·to·the·database</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">2</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id="2069558845-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ref</span><span·class="p"·data-group-id="2069558845-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·394,·SHA:·35466956be184bf247a9fa2a357cf30ad360b31b203e1d2f23bdbd92539e4bbd·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 161 | ······</span><span·class="p"·data-group-id=" | 161 | ······</span><span·class="p"·data-group-id="2069558845-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.342</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="2069558845-4">}</span></code></pre><p>Create·a·table</p><pre><code·class="text">·3·>·odbc:sql_query(Ref,·"CREATE·TABLE·EMPLOYEE·(NR·integer, |
| 162 | ······FIRSTNAME··char·varying(20),·LASTNAME··char·varying(20),·GENDER·char(1), | 162 | ······FIRSTNAME··char·varying(20),·LASTNAME··char·varying(20),·GENDER·char(1), |
| 163 | ······PRIMARY·KEY(NR))"). | 163 | ······PRIMARY·KEY(NR))"). |
| 164 | ······{updated,undefined}</code></pre><p>Insert·some·data</p><pre><code·class="text">·4·>·odbc:sql_query(Ref,·"INSERT·INTO·EMPLOYEE·VALUES(1,·'Jane',·'Doe',·'F')"). | 164 | ······{updated,undefined}</code></pre><p>Insert·some·data</p><pre><code·class="text">·4·>·odbc:sql_query(Ref,·"INSERT·INTO·EMPLOYEE·VALUES(1,·'Jane',·'Doe',·'F')"). |
| 165 | ······{updated,1}</code></pre><p>Check·what·data·types·the·database·assigned·for·the·columns.·Hopefully·this·is | 165 | ······{updated,1}</code></pre><p>Check·what·data·types·the·database·assigned·for·the·columns.·Hopefully·this·is |
| 166 | not·a·surprise,·some·times·it·can·be!·These·are·the·data·types·that·you·should | 166 | not·a·surprise,·some·times·it·can·be!·These·are·the·data·types·that·you·should |
| 167 | use·if·you·want·to·do·a·parameterized·query.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">5</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">describe_table</span><span·class="p"·data-group-id=" | 167 | use·if·you·want·to·do·a·parameterized·query.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">5</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">describe_table</span><span·class="p"·data-group-id="6318705352-1">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"EMPLOYEE"</span><span·class="p"·data-group-id="6318705352-1">)</span><span·class="p">.</span><span·class="w"> |
| 168 | ······</span><span·class="p"·data-group-id=" | 168 | ······</span><span·class="p"·data-group-id="6318705352-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6318705352-3">[</span><span·class="p"·data-group-id="6318705352-4">{</span><span·class="s">"NR"</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·106,·SHA:·59fc36d0bc473aa247275507ea446f6eb4b1be34a71be04a2dd8a684241e05ba·...·]2-4">}</span><span·class="p">,</span><span·class="w"> |
| 169 | ············</span><span·class="p"·data-group-id="5660191932-5">{</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5660191932-6">{</span><span·class="ss">sql_varchar</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">20</span><span·class="p"·data-group-id="5660191932-6">}</span><span·class="p"·data-group-id="5660191932-5">}</span><span·class="p">,</span><span·class="w"> | ||
| 170 | ············</span><span·class="p"·data-group-id=" | 169 | ············</span><span·class="p"·data-group-id="6318705352-5">{</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6318705352-6">{</span><span·class="ss">sql_varchar</span><span·class="p">,</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·143,·SHA:·64bbc6decf2250f3aca78baeb51956c46099074dcecf3ea6fb9e279d504a00be·...·]</span><span·class="w"> |
| 171 | ············</span><span·class="p"·data-group-id=" | 170 | ············</span><span·class="p"·data-group-id="6318705352-7">{</span><span·class="s">"LASTNAME"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6318705352-8">{</span><span·class="ss">sql_varchar</span><span·class="p">,</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·118,·SHA:·07428cb7b6c6919c882f9db3b13def78a39a1d0cc62e9492df12e64ea3ea2065·...·]</span><span·class="w"> |
| 171 | ············</span><span·class="p"·data-group-id="6318705352-9">{</span><span·class="s">"GENDER"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6318705352-10">{</span><span·class="ss">sql_char</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="6318705352-10">}</span><span·class="p"·data-group-id="6318705352-9">}</span><span·class="p"·data-group-id="6318705352-3">]</span><span·class="p"·data-group-id="6318705352-2">}</span></code></pre><p><a·href=""·id="param_query"></a>·Use·a·parameterized·query·to·insert·many·rows·in·one·go.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">6</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">param_query</span><span·class="p"·data-group-id="7551913426-1">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="s">"INSERT·INTO·EMPLOYEE·(NR,·FIRSTNAME,·"</span><span·class="w"> | ||
| 172 | ··················</span><span·class="s">"LASTNAME,·GENDER)·VALUES(?,·?,·?,·?)"</span><span·class="p">,</span><span·class="w"> | 172 | ··················</span><span·class="s">"LASTNAME,·GENDER)·VALUES(?,·?,·?,·?)"</span><span·class="p">,</span><span·class="w"> |
| 173 | ···················</span><span·class="p"·data-group-id=" | 173 | ···················</span><span·class="p"·data-group-id="7551913426-2">[</span><span·class="p"·data-group-id="7551913426-3">{</span><span·class="ss">sql_integer</span><span·class="p">,</span><span·class="p"·data-group-id="7551913426-4">[</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</[·...·truncated·by·diffoscope;·len:·344,·SHA:·5df080d429d1f835d02a1fa03a38a31be2c7fd170e8942c51a5bfeb2b03aedb4·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 174 | ····················</span><span·class="p"·data-group-id=" | 174 | ····················</span><span·class="p"·data-group-id="7551913426-5">{</span><span·class="p"·data-group-id="7551913426-6">{</span><span·class="ss">sql_varchar</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">20</span><span·class="p"·data-group-id="7551913426-6">}</span><span·class="p">,</span><span·class="w"> |
| 175 | ·····························</span><span·class="p"·data-group-id=" | 175 | ·····························</span><span·class="p"·data-group-id="7551913426-7">[</span><span·class="s">"John"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Monica"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Ross"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Rachel"</span><span·class="p">,</span><span·class="w"> |
| 176 | ·····························</span><span·class="s">"Piper"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Prue"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Louise"</span><span·class="p"·data-group-id=" | 176 | ·····························</span><span·class="s">"Piper"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Prue"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Louise"</span><span·class="p"·data-group-id="7551913426-7">]</span><span·class="p"·data-group-id="7551913426-5">}</span><span·class="p">,</span><span·class="w"> |
| 177 | ···················</span><span·class="p"·data-group-id=" | 177 | ···················</span><span·class="p"·data-group-id="7551913426-8">{</span><span·class="p"·data-group-id="7551913426-9">{</span><span·class="ss">sql_varchar</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">20</span><span·class="p"·data-group-id="7551913426-9">}</span><span·class="p">,</span><span·class="w"> |
| 178 | ·····························</span><span·class="p"·data-group-id=" | 178 | ·····························</span><span·class="p"·data-group-id="7551913426-10">[</span><span·class="s">"Doe"</span><span·class="p">,</span><span·class="s">"Geller"</span><span·class="p">,</span><span·class="s">"Geller"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Green"</span><span·class="p">,</span><span·class="w"> |
| 179 | ······························</span><span·class="s">"Halliwell"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Halliwell"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Lane"</span><span·class="p"·data-group-id=" | 179 | ······························</span><span·class="s">"Halliwell"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Halliwell"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Lane"</span><span·class="p"·data-group-id="7551913426-10">]</span><span·class="p"·data-group-id="7551913426-8">}</span><span·class="p">,</span><span·class="w"> |
| 180 | ···················</span><span·class="p"·data-group-id=" | 180 | ···················</span><span·class="p"·data-group-id="7551913426-11">{</span><span·class="p"·data-group-id="7551913426-12">{</span><span·class="ss">sql_char</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="7551913426-12">}</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·680,·SHA:·9529342be7aab3bdb2254da65ea91f556bc5b8b9aab62407db1c56aefe8f6578·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 181 | ······</span><span·class="p"·data-group-id=" | 181 | ······</span><span·class="p"·data-group-id="7551913426-14">{</span><span·class="ss">updated</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">7</span><span·class="p"·data-group-id="7551913426-14">}</span></code></pre><p>Fetch·all·data·in·the·table·employee</p><pre><code·class="m[·...·truncated·by·diffoscope;·len:·439,·SHA:·146deda29ad5c945ceea52d085b00a8b13be563a1c25e23bac84ea1dd9c51656·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 182 | ····</span><span·class="p"·data-group-id=" | 182 | ····</span><span·class="p"·data-group-id="6540715424-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="6540715424-3">[</span><span·class="s">"NR"</span><span·class="p">,</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·153,·SHA:·7a2c6b5e327035c6424b064662949d748f2e72c6dc072b2108adc3d90401ad78·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 183 | ··········</span><span·class="p"·data-group-id=" | 183 | ··········</span><span·class="p"·data-group-id="6540715424-4">[</span><span·class="p"·data-group-id="6540715424-5">{</span><span·class="mi">1</span><span·class="p">,</span><span·class="s">"Jane"</span><span·class="p">,</span><span·class="s">"Doe"</span><span·class="p">,</span><span·c[·...·truncated·by·diffoscope;·len:·70,·SHA:·2760418458699ec34e39dfdb8121552c93c4886f281bdd1b706eaf8b9bb1e42b·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 184 | ···········</span><span·class="p"·data-group-id=" | 184 | ···········</span><span·class="p"·data-group-id="6540715424-6">{</span><span·class="mi">2</span><span·class="p">,</span><span·class="s">"John"</span><span·class="p">,</span><span·class="s">"Doe"</span><span·class="p">,</span><span·class="s">"M"</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·17,·SHA:·80167a9670cb3433dbf06888e0ab378ee3912c28943486be45fd4a55c8db5fcc·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 185 | ···········</span><span·class="p"·data-group-id=" | 185 | ···········</span><span·class="p"·data-group-id="6540715424-7">{</span><span·class="mi">3</span><span·class="p">,</span><span·class="s">"Monica"</span><span·class="p">,</span><span·class="s">"Geller"</span><span·class="p">,</span><span·class="s">"F"</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·71f781a0fb57537d36da25e43be5736dce7dbf93aa9cd3d12e5deb39671ebc50·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 186 | ···········</span><span·class="p"·data-group-id=" | 186 | ···········</span><span·class="p"·data-group-id="6540715424-8">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="s">"Ross"</span><span·class="p">,</span><span·class="s">"Geller"</span><span·class="p">,</span><span·class="s">"M"</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·05ed5c9c06d397a90d32f3a454b55273289af45a64168463fa356e58f4ee42af·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 187 | ···········</span><span·class="p"·data-group-id=" | 187 | ···········</span><span·class="p"·data-group-id="6540715424-9">{</span><span·class="mi">5</span><span·class="p">,</span><span·class="s">"Rachel"</span><span·class="p">,</span><span·class="s">"Green"</span><span·class="p">,</span><span·class="s">"F"</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·05c6018bce1fa9eae2d83a5240f760a202ace11f131e53a46e298bf011a9a3fc·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 188 | ···········</span><span·class="p"·data-group-id=" | 188 | ···········</span><span·class="p"·data-group-id="6540715424-10">{</span><span·class="mi">6</span><span·class="p">,</span><span·class="s">"Piper"</span><span·class="p">,</span><span·class="s">"Halliwell"</span><span·class="p">,</span><span·class="s">"F"</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·25,·SHA:·9363569a04ad84e867434db57b7ec5b9a327190858c8688c5ef3ada559350da0·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 189 | ···········</span><span·class="p"·data-group-id=" | 189 | ···········</span><span·class="p"·data-group-id="6540715424-11">{</span><span·class="mi">7</span><span·class="p">,</span><span·class="s">"Prue"</span><span·class="p">,</span><span·class="s">"Halliwell"</span><span·class="p">,</span><span·class="s">"F"</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·24,·SHA:·88acec9f055becd272bcb4db5e60ef9346b8a142173428894296fd266936fd66·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 190 | ···········</span><span·class="p"·data-group-id=" | 190 | ···········</span><span·class="p"·data-group-id="6540715424-12">{</span><span·class="mi">8</span><span·class="p">,</span><span·class="s">"Louise"</span><span·class="p">,</span><span·class="s">"Lane"</span><span·class="p">,</span><span·class="s">"F"</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·152,·SHA:·c348030f7e6b1ad3aa104962da099fbc5a4fb1ad5d72d8432d931ecd572ee253·...·]-2">}</span></code></pre><p>Associate·a·result·set·containing·the·whole·table·<code·class="inline">EMPLOYEE</code>·to·the·connection. |
| 191 | The·number·of·rows·in·the·result·set·is·returned.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">8</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">select_count</span><span·class="p"·data-group-id=" | 191 | The·number·of·rows·in·the·result·set·is·returned.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">8</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">select_count</span><span·class="p"·data-group-id="3410055927-1">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"SELECT·*·FROM·EMPLOYEE"</span><span·class="p"·data-group-id="3410055927-1">)</span><span·class="p">.</span><span·class="w"> |
| 192 | ······</span><span·class="p"·data-group-id=" | 192 | ······</span><span·class="p"·data-group-id="3410055927-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="mi">8</span><span·class="p"·data-group-id="3410055927-2">}</span></code></pre><p>You·can·always·traverse·the·result·set·sequential·by·using·next</p><pre><code·class="makeu[·...·truncated·by·diffoscope;·len:·349,·SHA:·9bed6400c88af0d413808c144c400656ea721613624cd70dbc8368966e8b1410·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 193 | ······</span><span·class="p"·data-group-id=" | 193 | ······</span><span·class="p"·data-group-id="8634042264-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="8634042264-3">[</span><span·class="s">"NR"</span><span·class="p">,</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·1050,·SHA:·979bd6a79dcd07fb13814e59fab29614a6faa01c936bc5e108609c9be789c82b·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 194 | ······</span><span·class="p"·data-group-id="3 | 194 | ······</span><span·class="p"·data-group-id="3073090076-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="3073090076-3">[</span><span·class="s">"NR"</span><span·class="p">,</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·651,·SHA:·6731aed1a7b023fcf548297d26a316d312cfc6b2f85f2786c57cf830240ee689·...·]-2">}</span></code></pre><p>If·your·driver·supports·scrollable·cursors·you·have·a·little·more·freedom,·and |
| 195 | can·do·things·like·this.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">11</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">last</span><span·class="p"·data-group-id=" | 195 | can·do·things·like·this.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">11</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">last</span><span·class="p"·data-group-id="9272586116-1">(</span><span·class="n">Ref</span><span·class="p"·data-group-id="9272586116-1">)</span><span·class="p">.</span><span·class="w"> |
| 196 | ······</span><span·class="p"·data-group-id=" | 196 | ······</span><span·class="p"·data-group-id="9272586116-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="9272586116-3">[</span><span·class="s">"NR"</span><span·class="p">,</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·1053,·SHA:·455f3f06e3458e12fb007a8f63c51578ccbc7872269d52dab1345454c6c7b2db·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 197 | ······</span><span·class="p"·data-group-id=" | 197 | ······</span><span·class="p"·data-group-id="9189753637-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="9189753637-3">[</span><span·class="s">"NR"</span><span·class="p">,</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·1057,·SHA:·0c7473ef87d815df05ee2460697bc9c05d382683568120561b920e97c5fbcfd3·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 198 | ······</span><span·class="p"·data-group-id=" | 198 | ······</span><span·class="p"·data-group-id="7268546287-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="7268546287-3">[</span><span·class="s">"NR"</span><span·class="p">,</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·1050,·SHA:·3e01a1df5c7ff4bef49811be8096b6fe3df021629d844ffd41b2cfa236c80d93·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 199 | ······</span><span·class="p"·data-group-id=" | 199 | ······</span><span·class="p"·data-group-id="4227622324-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="4227622324-3">[</span><span·class="s">"NR"</span><span·class="p">,</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·1318,·SHA:·8534295b22a21b02d115f6512b118c0126f41275e2805556bc1c045744d6a09f·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 200 | ·····</span><span·class="p"·data-group-id=" | 200 | ·····</span><span·class="p"·data-group-id="4890440683-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="4890440683-3">[</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="s">"NR"</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·1276807d76cb5a3ed86ce5563d646ffb1d38a20d7906106046b08e34ea8b5df0·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 201 | ··········</span><span·class="p"·data-group-id=" | 201 | ··········</span><span·class="p"·data-group-id="4890440683-4">[</span><span·class="p"·data-group-id="4890440683-5">{</span><span·class="s">"Jane"</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="4890440683-5">}</span><span·class="p">,</span><span·class="w"> |
| 202 | ···········</span><span·class="p"·data-group-id=" | 202 | ···········</span><span·class="p"·data-group-id="4890440683-6">{</span><span·class="s">"Monica"</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="4890440683-6">}</span><span·class="p">,</span><span·class="w"> |
| 203 | ···········</span><span·class="p"·data-group-id=" | 203 | ···········</span><span·class="p"·data-group-id="4890440683-7">{</span><span·class="s">"Rachel"</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="4890440683-7">}</span><span·class="p">,</span><span·class="w"> |
| 204 | ···········</span><span·class="p"·data-group-id=" | 204 | ···········</span><span·class="p"·data-group-id="4890440683-8">{</span><span·class="s">"Piper"</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="4890440683-8">}</span><span·class="p">,</span><span·class="w"> |
| 205 | ···········</span><span·class="p"·data-group-id=" | 205 | ···········</span><span·class="p"·data-group-id="4890440683-9">{</span><span·class="s">"Prue"</span><span·class="p">,</span><span·class="mi">7</span><span·class="p"·data-group-id="4890440683-9">}</span><span·class="p">,</span><span·class="w"> |
| 206 | ···········</span><span·class="p"·data-group-id=" | 206 | ···········</span><span·class="p"·data-group-id="4890440683-10">{</span><span·class="s">"Louise"</span><span·class="p">,</span><span·class="mi">8</span><span·class="p"·data-group-id="4890440683-10">}</span><span·class="p"·data-group-id="4890440683-4">]</span><span·class="p"·data-group-id="48904[·...·truncated·by·diffoscope;·len:·5,·SHA:·9e3a1a72dc662a52c53c20f62725abec8d78c3591b043318212e0c59b6428545·...·]-2">}</span></code></pre><p>Fetch·the·fields·<code·class="inline">FIRSTNAME</code>and·<code·class="inline">NR</code>for·all·female·employees·and·sort·them·on |
| 207 | the·field·<code·class="inline">FIRSTNAME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">16</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">sql_query</span><span·class="p"·data-group-id=" | 207 | the·field·<code·class="inline">FIRSTNAME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">16</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">sql_query</span><span·class="p"·data-group-id="7227988377-1">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"SELECT·FIRSTNAME,·NR·FROM·EMPLOYEE·WHERE·GENDER·=·'F' |
| 208 | ······ORDER·BY·FIRSTNAME"</span><span·class="p"·data-group-id=" | 208 | ······ORDER·BY·FIRSTNAME"</span><span·class="p"·data-group-id="7227988377-1">)</span><span·class="p">.</span><span·class="w"> |
| 209 | ····</span><span·class="p"·data-group-id=" | 209 | ····</span><span·class="p"·data-group-id="7227988377-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="7227988377-3">[</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="s">"NR"</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·650fa33d2c7419bef3679d712a675192eee52a5f00e80ad9adc1d4e65650902d·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 210 | ··········</span><span·class="p"·data-group-id=" | 210 | ··········</span><span·class="p"·data-group-id="7227988377-4">[</span><span·class="p"·data-group-id="7227988377-5">{</span><span·class="s">"Jane"</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="7227988377-5">}</span><span·class="p">,</span><span·class="w"> |
| 211 | ···········</span><span·class="p"·data-group-id=" | 211 | ···········</span><span·class="p"·data-group-id="7227988377-6">{</span><span·class="s">"Louise"</span><span·class="p">,</span><span·class="mi">8</span><span·class="p"·data-group-id="7227988377-6">}</span><span·class="p">,</span><span·class="w"> |
| 212 | ···········</span><span·class="p"·data-group-id=" | 212 | ···········</span><span·class="p"·data-group-id="7227988377-7">{</span><span·class="s">"Monica"</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="7227988377-7">}</span><span·class="p">,</span><span·class="w"> |
| 213 | ···········</span><span·class="p"·data-group-id=" | 213 | ···········</span><span·class="p"·data-group-id="7227988377-8">{</span><span·class="s">"Piper"</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="7227988377-8">}</span><span·class="p">,</span><span·class="w"> |
| 214 | ···········</span><span·class="p"·data-group-id=" | 214 | ···········</span><span·class="p"·data-group-id="7227988377-9">{</span><span·class="s">"Prue"</span><span·class="p">,</span><span·class="mi">7</span><span·class="p"·data-group-id="7227988377-9">}</span><span·class="p">,</span><span·class="w"> |
| 215 | ···········</span><span·class="p"·data-group-id=" | 215 | ···········</span><span·class="p"·data-group-id="7227988377-10">{</span><span·class="s">"Rachel"</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="7227988377-10">}</span><span·class="p"·data-group-id="7227988377-4">]</span><span·class="p"·data-group-id="72279[·...·truncated·by·diffoscope;·len:·5,·SHA:·92a65f7b0e441c7ecd410e83de5426721653b76d2d4e9153611daef0c97ecb64·...·]-2">}</span></code></pre><p>Associate·a·result·set·that·contains·the·fields·<code·class="inline">FIRSTNAME</code>·and·<code·class="inline">NR</code>for·all |
| 216 | female·employees·to·the·connection.·The·number·of·rows·in·the·result·set·is | 216 | female·employees·to·the·connection.·The·number·of·rows·in·the·result·set·is |
| 217 | returned.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">17</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">select_count</span><span·class="p"·data-group-id=" | 217 | returned.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">17</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">select_count</span><span·class="p"·data-group-id="4793308871-1">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"SELECT·FIRSTNAME,·NR·FROM·EMPLOYEE·WHERE·GENDER·=·'F'"</span><span·class="p"·data-group-id="4793308871-1">)</span><span·class="p">.</span><span·class="w"> |
| 218 | ······</span><span·class="p"·data-group-id=" | 218 | ······</span><span·class="p"·data-group-id="4793308871-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="4793308871-2">}</span></code></pre><p>A·few·more·ways·of·retrieving·parts·of·the·result·set·when·the·driver·supports |
| 219 | scrollable·cursors.·Note·that·next·will·work·even·without·support·for·scrollable | 219 | scrollable·cursors.·Note·that·next·will·work·even·without·support·for·scrollable |
| 220 | cursors.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">18</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="04 | 220 | cursors.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">18</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="0496664119-1">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0496664119-2">{</span><span·class="ss">relative</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><spa[·...·truncated·by·diffoscope;·len:·163,·SHA:·8301f887979945c25a4966faaecae7959f603d2525afe31804a3c57f91f33b0a·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 221 | ····</span><span·class="p"·data-group-id="0485734630-3">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="0485734630-4">[</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="s">"NR"</span><span·class="p"·data-group-id="0485734630-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="0485734630-5">[</span><span·class="p"·data-group-id="0485734630-6">{</span><span·class="s">"Monica"</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="0485734630-6">}</span><span·class="p">,</span><span·class="p"·data-group-id="0485734630-7">{</span><span·class="s">"Rachel"</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="0485734630-7">}</span><span·class="p">,</span><span·class="p"·data-group-id="0485734630-8">{</span><span·class="s">"Piper"</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="0485734630-8">}</span><span·class="p"·data-group-id="0485734630-5">]</span><span·class="p"·data-group-id="0485734630-3">}</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">19</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="7266719158-1">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">next</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p"·data-group-id="7266719158-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 222 | ···· | 221 | ····</span><span·class="p"·data-group-id="0496664119-3">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="0496664119-4">[</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="s">&qu[·...·truncated·by·diffoscope;·len:·1425,·SHA:·28dc3c830e2712704677342c9ae6078b28c56f8d4dc494d9f71bf4121b3815ca·...·]5-1">)</span><span·class="p">.</span><span·class="w"> |
| 222 | ······</span><span·class="p"·data-group-id="4446553145-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="4446553145-3">[</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="s">"NR"</span><span·class="p"·data-group-id="4446553145-3">]</span><span·class="p">,</span><span·class="p"·data-group-id="4446553145-4">[</span><span·class="p"·data-group-id="4446553145-5">{</span><span·class="s">"Prue"</span><span·class="p">,</span><span·class="mi">7</span><span·class="p"·data-group-id="4446553145-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="4446553145-6">{</span><span·class="s">"Louise"</span><span·class="p">,</span><span·class="mi">8</span><span·class="p"·data-group-id="4446553145-6">}</span><span·class="p"·data-group-id="4446553145-4">]</span><span·class="p"·data-group-id="4446553145-2">}</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">20</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="1947778954-1">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1947778954-2">{</span><span·class="ss">absolute</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="1947778954-2">}</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p"·data-group-id="1947778954-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 223 | ······</span><span·class="p"·data-group-id=" | 223 | ······</span><span·class="p"·data-group-id="1947778954-3">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="1947778954-4">[</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="s">"NR"</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·1167,·SHA:·2338b3a80055addc6d67c6f37356559ce2a840650100e4752720d3242f03099e·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 224 | ····</span><span·class="p"·data-group-id=" | 224 | ····</span><span·class="p"·data-group-id="1120615435-2">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="1120615435-3">[</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="s">"NR"</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·1351,·SHA:·00b4467ae798d60f5de7be074376ed10db51f87cd27f8006bc64e259e8f88bdc·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 225 | ······</span><span·class="p"·data-group-id=" | 225 | ······</span><span·class="p"·data-group-id="1973723778-3">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="1973723778-4">[</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</span><span·class="s">"NR"</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·c4282b466bf2b80ae93f1de01efd7999a8d4d0c1e682bc1fba5ffa0074f58102·...·]-4">]</span><span·class="p">,</span><span·class="w"> |
| 226 | ················</span><span·class="p"·data-group-id="8527028176-5">[</span><span·class="p"·data-group-id="8527028176-6">{</span><span·class="s">"Jane"</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8527028176-6">}</span><span·class="p">,</span><span·class="p"·data-group-id="8527028176-7">{</span><span·class="s">"Monica"</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="8527028176-7">}</span><span·class="p">,</span><span·class="p"·data-group-id="8527028176-8">{</span><span·class="s">"Rachel"</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="8527028176-8">}</span><span·class="p">,</span><span·class="p"·data-group-id="8527028176-9">{</span><span·class="s">"Piper"</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8527028176-9">}</span><span·class="p"·data-group-id="8527028176-5">]</span><span·class="p"·data-group-id="8527028176-3">}</span></code></pre><p>Select,·using·a·parameterized·query.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">23</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">param_query</span><span·class="p"·data-group-id="5683821409-1">(</span><span·class="n">Ref</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"SELECT·*·FROM·EMPLOYEE·WHERE·GENDER=?"</span><span·class="p">,</span><span·class="w"> | ||
| 227 | ······</span><span·class="p"·data-group-id=" | 226 | ················</span><span·class="p"·data-group-id="1973723778-5">[</span><span·class="p"·data-group-id="1973723778-6">{</span><span·class="s">"Jane"</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="1973723778-6">[·...·truncated·by·diffoscope;·len:·1305,·SHA:·1e4c6441f1a2f74dfbc7aa7a243e23e060bdcf8772902b88918a214bdee67be6·...·]</span><span·class="w"> |
| 227 | ······</span><span·class="p"·data-group-id="3127215068-2">[</span><span·class="p"·data-group-id="3127215068-3">{</span><span·class="p"·data-group-id="3127215068-4">{</span><span·class="ss">sql_char</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="3127215068-4">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3127215068-5">[</span><span·class="s">"M"</span><span·class="p"·data-group-id="3127215068-5">]</span><span·class="p"·data-group-id="3127215068-3">}</span><span·class="p"·data-group-id="3127215068-2">]</span><span·class="p"·data-group-id="3127215068-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 228 | ······</span><span·class="p"·data-group-id=" | 228 | ······</span><span·class="p"·data-group-id="3127215068-6">{</span><span·class="ss">selected</span><span·class="p">,</span><span·class="p"·data-group-id="3127215068-7">[</span><span·class="s">"NR"</span><span·class="p">,</span><span·class="s">"FIRSTNAME"</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·153,·SHA:·e76dbf3f50b67d0a6a3d81097ad85ead2cc3286ecd4558f5fc313a7294fc9ca3·...·]-7">]</span><span·class="p">,</span><span·class="w"> |
| 229 | ················</span><span·class="p"·data-group-id=" | 229 | ················</span><span·class="p"·data-group-id="3127215068-8">[</span><span·class="p"·data-group-id="3127215068-9">{</span><span·class="mi">2</span><span·class="p">,</span><span·class="s">"John"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Doe"</span><span·c[·...·truncated·by·diffoscope;·len:·569,·SHA:·40cfcc05eb7de5c4d505c750d092451227d629048ea092691c2086cff2a2e4b1·...·]-6">}</span></code></pre><p>Delete·the·table·<code·class="inline">EMPLOYEE</code>.</p><pre><code·class="text">·24·>·odbc:sql_query(Ref,·"DROP·TABLE·EMPLOYEE"). |
| 230 | ······{updated,undefined}</code></pre><p>Shut·down·the·connection.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">25</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">disconnect</span><span·class="p"·data-group-id=" | 230 | ······{updated,undefined}</code></pre><p>Shut·down·the·connection.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">25</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="nc">odbc</span><span·class="p">:</span><span·class="nf">disconnect</span><span·class="p"·data-group-id="4525029185-1">(</span><span·class="n">Ref</span><span·class="p"·data-group-id="4525029185-1">)</span><span·class="p">.</span><span·class="w"> |
| 231 | ······</span><span·class="ss">ok</span></code></pre><p>Shut·down·the·application.</p><pre><code·class="text">·26·>·odbc:stop(). | 231 | ······</span><span·class="ss">ok</span></code></pre><p>Shut·down·the·application.</p><pre><code·class="text">·26·>·odbc:stop(). |
| 232 | ····=INFO·REPORT====·7-Jan-2004::17:00:59·=== | 232 | ····=INFO·REPORT====·7-Jan-2004::17:00:59·=== |
| 233 | ····application:·odbc | 233 | ····application:·odbc |
| 234 | ····exited:·stopped | 234 | ····exited:·stopped |
| 235 | ····type:·temporary | 235 | ····type:·temporary |
| 236 | ····ok</code></pre> | 236 | ····ok</code></pre> |
| Offset 281, 15 lines modified | Offset 281, 15 lines modified | ||
| 281 | ······<p·class="built-using"> | 281 | ······<p·class="built-using"> |
| 282 | ········Built·using | 282 | ········Built·using |
| 283 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 283 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 284 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 284 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 285 | ······</p> | 285 | ······</p> |
| 286 | <p>Copyright·©·1996-202 | 286 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 287 | ····</footer> | 287 | ····</footer> |
| 288 | ··</div> | 288 | ··</div> |
| 289 | </main> | 289 | </main> |
| 290 | </div> | 290 | </div> |
| 291 | <script> | 291 | <script> |
| 292 | ··function·mermaidLoaded()·{ | 292 | ··function·mermaidLoaded()·{ |
| 293 | ····mermaid.initialize({ | 293 | ····mermaid.initialize({ |
| Offset 203, 15 lines modified | Offset 203, 15 lines modified | ||
| 203 | ······<p·class="built-using"> | 203 | ······<p·class="built-using"> |
| 204 | ········Built·using | 204 | ········Built·using |
| 205 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 205 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 206 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 206 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 207 | ······</p> | 207 | ······</p> |
| 208 | <p>Copyright·©·1996-202 | 208 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 209 | ····</footer> | 209 | ····</footer> |
| 210 | ··</div> | 210 | ··</div> |
| 211 | </main> | 211 | </main> |
| 212 | </div> | 212 | </div> |
| 213 | <script> | 213 | <script> |
| 214 | ··function·mermaidLoaded()·{ | 214 | ··function·mermaidLoaded()·{ |
| 215 | ····mermaid.initialize({ | 215 | ····mermaid.initialize({ |
| Offset 1052, 15 lines modified | Offset 1052, 15 lines modified | ||
| 1052 | ······<p·class="built-using"> | 1052 | ······<p·class="built-using"> |
| 1053 | ········Built·using | 1053 | ········Built·using |
| 1054 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1054 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1055 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1055 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1056 | ······</p> | 1056 | ······</p> |
| 1057 | <p>Copyright·©·1996-202 | 1057 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1058 | ····</footer> | 1058 | ····</footer> |
| 1059 | ··</div> | 1059 | ··</div> |
| 1060 | </main> | 1060 | </main> |
| 1061 | </div> | 1061 | </div> |
| 1062 | <script> | 1062 | <script> |
| 1063 | ··function·mermaidLoaded()·{ | 1063 | ··function·mermaidLoaded()·{ |
| 1064 | ····mermaid.initialize({ | 1064 | ····mermaid.initialize({ |
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| 1773 | ······<p·class="built-using"> | 1773 | ······<p·class="built-using"> |
| 1774 | ········Built·using | 1774 | ········Built·using |
| 1775 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1775 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1776 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1776 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1777 | ······</p> | 1777 | ······</p> |
| 1778 | <p>Copyright·©·1996-202 | 1778 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1779 | ····</footer> | 1779 | ····</footer> |
| 1780 | ··</div> | 1780 | ··</div> |
| 1781 | </main> | 1781 | </main> |
| 1782 | </div> | 1782 | </div> |
| 1783 | <script> | 1783 | <script> |
| 1784 | ··function·mermaidLoaded()·{ | 1784 | ··function·mermaidLoaded()·{ |
| 1785 | ····mermaid.initialize({ | 1785 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 217 | ······<p·class="built-using"> | 217 | ······<p·class="built-using"> |
| 218 | ········Built·using | 218 | ········Built·using |
| 219 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 219 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 220 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 220 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 221 | ······</p> | 221 | ······</p> |
| 222 | <p>Copyright·©·1996-202 | 222 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 223 | ····</footer> | 223 | ····</footer> |
| 224 | ··</div> | 224 | ··</div> |
| 225 | </main> | 225 | </main> |
| 226 | </div> | 226 | </div> |
| 227 | <script> | 227 | <script> |
| 228 | ··function·mermaidLoaded()·{ | 228 | ··function·mermaidLoaded()·{ |
| 229 | ····mermaid.initialize({ | 229 | ····mermaid.initialize({ |
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| 621 | ······<p·class="built-using"> | 621 | ······<p·class="built-using"> |
| 622 | ········Built·using | 622 | ········Built·using |
| 623 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 623 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 624 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 624 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 625 | ······</p> | 625 | ······</p> |
| 626 | <p>Copyright·©·1996-202 | 626 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 627 | ····</footer> | 627 | ····</footer> |
| 628 | ··</div> | 628 | ··</div> |
| 629 | </main> | 629 | </main> |
| 630 | </div> | 630 | </div> |
| 631 | <script> | 631 | <script> |
| 632 | ··function·mermaidLoaded()·{ | 632 | ··function·mermaidLoaded()·{ |
| 633 | ····mermaid.initialize({ | 633 | ····mermaid.initialize({ |
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| 555 | ······<p·class="built-using"> | 555 | ······<p·class="built-using"> |
| 556 | ········Built·using | 556 | ········Built·using |
| 557 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 557 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 558 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 558 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 559 | ······</p> | 559 | ······</p> |
| 560 | <p>Copyright·©·1996-202 | 560 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 561 | ····</footer> | 561 | ····</footer> |
| 562 | ··</div> | 562 | ··</div> |
| 563 | </main> | 563 | </main> |
| 564 | </div> | 564 | </div> |
| 565 | <script> | 565 | <script> |
| 566 | ··function·mermaidLoaded()·{ | 566 | ··function·mermaidLoaded()·{ |
| 567 | ····mermaid.initialize({ | 567 | ····mermaid.initialize({ |
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| 673 | ······<p·class="built-using"> | 673 | ······<p·class="built-using"> |
| 674 | ········Built·using | 674 | ········Built·using |
| 675 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 675 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 676 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 676 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 677 | ······</p> | 677 | ······</p> |
| 678 | <p>Copyright·©·1996-202 | 678 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 679 | ····</footer> | 679 | ····</footer> |
| 680 | ··</div> | 680 | ··</div> |
| 681 | </main> | 681 | </main> |
| 682 | </div> | 682 | </div> |
| 683 | <script> | 683 | <script> |
| 684 | ··function·mermaidLoaded()·{ | 684 | ··function·mermaidLoaded()·{ |
| 685 | ····mermaid.initialize({ | 685 | ····mermaid.initialize({ |
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| 1035 | ······<p·class="built-using"> | 1035 | ······<p·class="built-using"> |
| 1036 | ········Built·using | 1036 | ········Built·using |
| 1037 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1037 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1038 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1038 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1039 | ······</p> | 1039 | ······</p> |
| 1040 | <p>Copyright·©·1996-202 | 1040 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1041 | ····</footer> | 1041 | ····</footer> |
| 1042 | ··</div> | 1042 | ··</div> |
| 1043 | </main> | 1043 | </main> |
| 1044 | </div> | 1044 | </div> |
| 1045 | <script> | 1045 | <script> |
| 1046 | ··function·mermaidLoaded()·{ | 1046 | ··function·mermaidLoaded()·{ |
| 1047 | ····mermaid.initialize({ | 1047 | ····mermaid.initialize({ |
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| 331 | ······<p·class="built-using"> | 331 | ······<p·class="built-using"> |
| 332 | ········Built·using | 332 | ········Built·using |
| 333 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 333 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 334 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 334 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 335 | ······</p> | 335 | ······</p> |
| 336 | <p>Copyright·©·1996-202 | 336 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 337 | ····</footer> | 337 | ····</footer> |
| 338 | ··</div> | 338 | ··</div> |
| 339 | </main> | 339 | </main> |
| 340 | </div> | 340 | </div> |
| 341 | <script> | 341 | <script> |
| 342 | ··function·mermaidLoaded()·{ | 342 | ··function·mermaidLoaded()·{ |
| 343 | ····mermaid.initialize({ | 343 | ····mermaid.initialize({ |
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| 203 | ······<p·class="built-using"> | 203 | ······<p·class="built-using"> |
| 204 | ········Built·using | 204 | ········Built·using |
| 205 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 205 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 206 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 206 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 207 | ······</p> | 207 | ······</p> |
| 208 | <p>Copyright·©·1996-202 | 208 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 209 | ····</footer> | 209 | ····</footer> |
| 210 | ··</div> | 210 | ··</div> |
| 211 | </main> | 211 | </main> |
| 212 | </div> | 212 | </div> |
| 213 | <script> | 213 | <script> |
| 214 | ··function·mermaidLoaded()·{ | 214 | ··function·mermaidLoaded()·{ |
| 215 | ····mermaid.initialize({ | 215 | ····mermaid.initialize({ |
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| 410 | ······<p·class="built-using"> | 410 | ······<p·class="built-using"> |
| 411 | ········Built·using | 411 | ········Built·using |
| 412 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 412 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 413 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 413 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 414 | ······</p> | 414 | ······</p> |
| 415 | <p>Copyright·©·1996-202 | 415 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 416 | ····</footer> | 416 | ····</footer> |
| 417 | ··</div> | 417 | ··</div> |
| 418 | </main> | 418 | </main> |
| 419 | </div> | 419 | </div> |
| 420 | <script> | 420 | <script> |
| 421 | ··function·mermaidLoaded()·{ | 421 | ··function·mermaidLoaded()·{ |
| 422 | ····mermaid.initialize({ | 422 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 190 | ······<p·class="built-using"> | 190 | ······<p·class="built-using"> |
| 191 | ········Built·using | 191 | ········Built·using |
| 192 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 192 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 193 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 193 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 194 | ······</p> | 194 | ······</p> |
| 195 | <p>Copyright·©·1996-202 | 195 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 196 | ····</footer> | 196 | ····</footer> |
| 197 | ··</div> | 197 | ··</div> |
| 198 | </main> | 198 | </main> |
| 199 | </div> | 199 | </div> |
| 200 | <script> | 200 | <script> |
| 201 | ··function·mermaidLoaded()·{ | 201 | ··function·mermaidLoaded()·{ |
| 202 | ····mermaid.initialize({ | 202 | ····mermaid.initialize({ |
| Offset 169, 21 lines modified | Offset 169, 21 lines modified | ||
| 169 | <code·class="inline">error_location</code>·is·set·to·<code·class="inline">line</code>).</p></li></ul><p>The·code·must·return:</p><ul><li><p><strong><code·class="inline">{token,Token}</code></strong>·-·Return·<code·class="inline">Token</code>·to·the·caller.</p></li><li><p><strong><code·class="inline">{end_token,Token}</code></strong>·-·Return·<code·class="inline">Token</code>·and·is·last·token·in·a·tokens·call.</p></li><li><p><strong><code·class="inline">skip_token</code></strong>·-·Skip·this·token·completely.</p></li><li><p><strong><code·class="inline">{error,ErrString}</code></strong>·-·An·error·in·the·token,·<code·class="inline">ErrString</code>·is·a·string | 169 | <code·class="inline">error_location</code>·is·set·to·<code·class="inline">line</code>).</p></li></ul><p>The·code·must·return:</p><ul><li><p><strong><code·class="inline">{token,Token}</code></strong>·-·Return·<code·class="inline">Token</code>·to·the·caller.</p></li><li><p><strong><code·class="inline">{end_token,Token}</code></strong>·-·Return·<code·class="inline">Token</code>·and·is·last·token·in·a·tokens·call.</p></li><li><p><strong><code·class="inline">skip_token</code></strong>·-·Skip·this·token·completely.</p></li><li><p><strong><code·class="inline">{error,ErrString}</code></strong>·-·An·error·in·the·token,·<code·class="inline">ErrString</code>·is·a·string |
| 170 | describing·the·error.</p></li></ul><p>It·is·also·possible·to·push·back·characters·into·the·input·characters·with·the | 170 | describing·the·error.</p></li></ul><p>It·is·also·possible·to·push·back·characters·into·the·input·characters·with·the |
| 171 | following·returns:</p><ul><li><code·class="inline">{token,Token,PushBackList}</code></li><li><code·class="inline">{end_token,Token,PushBackList}</code></li><li><code·class="inline">{skip_token,PushBackList}</code></li></ul><p>These·have·the·same·meanings·as·the·normal·returns·but·the·characters·in | 171 | following·returns:</p><ul><li><code·class="inline">{token,Token,PushBackList}</code></li><li><code·class="inline">{end_token,Token,PushBackList}</code></li><li><code·class="inline">{skip_token,PushBackList}</code></li></ul><p>These·have·the·same·meanings·as·the·normal·returns·but·the·characters·in |
| 172 | <code·class="inline">PushBackList</code>·will·be·prepended·to·the·input·characters·and·scanned·for·the | 172 | <code·class="inline">PushBackList</code>·will·be·prepended·to·the·input·characters·and·scanned·for·the |
| 173 | next·token.·Note·that·pushing·back·a·newline·will·mean·the·line·numbering·will | 173 | next·token.·Note·that·pushing·back·a·newline·will·mean·the·line·numbering·will |
| 174 | no·longer·be·correct.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Pushing·back·characters·gives·you·unexpected·possibilities·to·cause·the | 174 | no·longer·be·correct.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Pushing·back·characters·gives·you·unexpected·possibilities·to·cause·the |
| 175 | scanner·to·loop!</p></section><p>The·following·example·would·match·a·simple·Erlang·integer·or·float·and·return·a | 175 | scanner·to·loop!</p></section><p>The·following·example·would·match·a·simple·Erlang·integer·or·float·and·return·a |
| 176 | token·which·could·be·sent·to·the·Erlang·parser:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">D</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 176 | token·which·could·be·sent·to·the·Erlang·parser:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">D</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4665407077-1">[</span><span·class="mi">0</span><span·class="o">-</span><span·class="mi">9</span><span·class="p"·data-group-id="4665407077-1">]</span><span·class="w"> |
| 177 | </span><span·class="p"·data-group-id=" | 177 | </span><span·class="p"·data-group-id="4665407077-2">{</span><span·class="n">D</span><span·class="p"·data-group-id="4665407077-2">}</span><span·class="o">+</span><span·class="w">·</span><span·class="p">:</span><span·class="w"> |
| 178 | ··</span><span·class="p"·data-group-id=" | 178 | ··</span><span·class="p"·data-group-id="4665407077-3">{</span><span·class="ss">token</span><span·class="p">,</span><span·class="p"·data-group-id="4665407077-4">{</span><span·class="ss">integer</span><span·class="p">,</span><span·class="n">TokenLine</span><span·class="p">,</span><span·class="nf">[·...·truncated·by·diffoscope;·len:·255,·SHA:·47037ea2cbd4a734e8c9b663ad368e42c48de6fd88e58a946d3d0c88e60c1e15·...·]-3">}</span><span·class="p">.</span><span·class="w"> |
| 179 | </span><span·class="p"·data-group-id=" | 179 | </span><span·class="p"·data-group-id="4665407077-6">{</span><span·class="n">D</span><span·class="p"·data-group-id="4665407077-6">}</span><span·class="o">+</span><span·class="err">\</span><span·class="p">.</span><span·class="p"·data-group-id="4665407077-7">{</span><span·class="n">D</span><span·[·...·truncated·by·diffoscope;·len:·756,·SHA:·474300e12c925f9022c7c977e0b75ad4b06efb62cd486eef8b385ba9d7acdac2·...·]-8">)</span><span·class="o">?</span><span·class="w">·</span><span·class="p">:</span><span·class="w"> |
| 180 | ··</span><span·class="p"·data-group-id=" | 180 | ··</span><span·class="p"·data-group-id="4665407077-12">{</span><span·class="ss">token</span><span·class="p">,</span><span·class="p"·data-group-id="4665407077-13">{</span><span·class="nb">float</span><span·class="p">,</span><span·class="n">TokenLine</span><span·class="p">,</span><span·class="nf">[·...·truncated·by·diffoscope;·len:·256,·SHA:·2fac96ebe8a511e0065d3c399ca8d6e6cc12db456fc06b409091ce8539d99262·...·]-12">}</span><span·class="p">.</span></code></pre><p>The·Erlang·code·in·the·<code·class="inline">Erlang·code.</code>·section·is·written·into·the·output·file |
| 181 | directly·after·the·module·declaration·and·predefined·exports·declaration,·making | 181 | directly·after·the·module·declaration·and·predefined·exports·declaration,·making |
| 182 | it·possible·to·add·extra·exports,·define·imports,·and·other·attributes,·which·are | 182 | it·possible·to·add·extra·exports,·define·imports,·and·other·attributes,·which·are |
| 183 | visible·in·the·whole·file.</p><h2·id="module-regular-expressions"·class="section-heading"> | 183 | visible·in·the·whole·file.</p><h2·id="module-regular-expressions"·class="section-heading"> |
| 184 | ··<a·href="#module-regular-expressions"·class="hover-link"> | 184 | ··<a·href="#module-regular-expressions"·class="hover-link"> |
| 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 186 | ··</a> | 186 | ··</a> |
| 187 | ··<span·class="text">Regular·Expressions</span> | 187 | ··<span·class="text">Regular·Expressions</span> |
| Offset 707, 15 lines modified | Offset 707, 15 lines modified | ||
| 707 | <p>This·is·a·re-entrant·call·to·try·and·scan·a·single·token·from·<code·class="inline">Chars</code>.</p><p>If·there·are·enough·characters·in·<code·class="inline">Chars</code>·to·either·scan·a·token·or | 707 | <p>This·is·a·re-entrant·call·to·try·and·scan·a·single·token·from·<code·class="inline">Chars</code>.</p><p>If·there·are·enough·characters·in·<code·class="inline">Chars</code>·to·either·scan·a·token·or |
| 708 | detect·an·error·then·this·will·be·returned·with | 708 | detect·an·error·then·this·will·be·returned·with |
| 709 | <code·class="inline">{done,...}</code>.·Otherwise·<code·class="inline">{cont,Cont}</code>·will·be·returned·where·<code·class="inline">Cont</code>·is | 709 | <code·class="inline">{done,...}</code>.·Otherwise·<code·class="inline">{cont,Cont}</code>·will·be·returned·where·<code·class="inline">Cont</code>·is |
| 710 | used·in·the·next·call·to·<code·class="inline">token()</code>·with·more·characters·to·try·an·scan | 710 | used·in·the·next·call·to·<code·class="inline">token()</code>·with·more·characters·to·try·an·scan |
| 711 | the·token.·This·is·continued·until·a·token·has·been·scanned.·<code·class="inline">Cont</code>·is | 711 | the·token.·This·is·continued·until·a·token·has·been·scanned.·<code·class="inline">Cont</code>·is |
| 712 | initially·<code·class="inline">[]</code>.</p><p>It·is·not·designed·to·be·called·directly·by·an·application,·but·is | 712 | initially·<code·class="inline">[]</code>.</p><p>It·is·not·designed·to·be·called·directly·by·an·application,·but·is |
| 713 | used·through·the·I/O·system·where·it·can·typically·be·called·in·an | 713 | used·through·the·I/O·system·where·it·can·typically·be·called·in·an |
| 714 | application·by:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="7 | 714 | application·by:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="0572052813-1">(</span><span·class="n">InFile</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0572052813-2">{</span><span·class="ss">get_until</span><span·class="p">,</span><span·class="ss">unicode</span><span·class="p">[·...·truncated·by·diffoscope;·len:·393,·SHA:·00b87123b775d35ea97bf11c4fed75c69d1c6a56e6be5edb9fe6688660e2038c·...·]-1">)</span><span·class="w"> |
| 715 | ··</span><span·class="p">-></span><span·class="w">·</span><span·class="n">TokenRet</span></code></pre> | 715 | ··</span><span·class="p">-></span><span·class="w">·</span><span·class="n">TokenRet</span></code></pre> |
| 716 | ··</section> | 716 | ··</section> |
| 717 | </section> | 717 | </section> |
| 718 | <section·class="detail"·id="tokens/2"> | 718 | <section·class="detail"·id="tokens/2"> |
| 719 | ··<div·class="detail-header"> | 719 | ··<div·class="detail-header"> |
| 720 | ····<a·href="#tokens/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 720 | ····<a·href="#tokens/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 792, 15 lines modified | Offset 792, 15 lines modified | ||
| 792 | scan·the·tokens.·This·is·continued·until·all·tokens·have·been | 792 | scan·the·tokens.·This·is·continued·until·all·tokens·have·been |
| 793 | scanned.·<code·class="inline">Cont</code>·is·initially·<code·class="inline">[]</code>.</p><p>This·functions·differs·from·<code·class="inline">token</code>·in·that·it·will·continue·to·scan·tokens·up | 793 | scanned.·<code·class="inline">Cont</code>·is·initially·<code·class="inline">[]</code>.</p><p>This·functions·differs·from·<code·class="inline">token</code>·in·that·it·will·continue·to·scan·tokens·up |
| 794 | to·and·including·an·<code·class="inline">{end_token,Token}</code>·has·been·scanned·(see·next·section).·It | 794 | to·and·including·an·<code·class="inline">{end_token,Token}</code>·has·been·scanned·(see·next·section).·It |
| 795 | will·then·return·all·the·tokens.·This·is·typically·used·for·scanning·grammars | 795 | will·then·return·all·the·tokens.·This·is·typically·used·for·scanning·grammars |
| 796 | like·Erlang·where·there·is·an·explicit·end·token,·<code·class="inline">'.'</code>.·If·no·end·token·is | 796 | like·Erlang·where·there·is·an·explicit·end·token,·<code·class="inline">'.'</code>.·If·no·end·token·is |
| 797 | found·then·the·whole·file·will·be·scanned·and·returned.·If·an·error·occurs·then | 797 | found·then·the·whole·file·will·be·scanned·and·returned.·If·an·error·occurs·then |
| 798 | all·tokens·up·to·and·including·the·next·end·token·will·be·skipped.</p><p>It·is·not·designed·to·be·called·directly·by·an·application,·but·used·through·the | 798 | all·tokens·up·to·and·including·the·next·end·token·will·be·skipped.</p><p>It·is·not·designed·to·be·called·directly·by·an·application,·but·used·through·the |
| 799 | I/O·system·where·it·can·typically·be·called·in·an·application·by:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id=" | 799 | I/O·system·where·it·can·typically·be·called·in·an·application·by:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">io</span><span·class="p">:</span><span·class="nf">request</span><span·class="p"·data-group-id="7113431762-1">(</span><span·class="n">InFile</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7113431762-2">{</span><span·class="ss">get_until</span><span·class="p">,</span><span·class="ss">unicode</span><span·class="p">[·...·truncated·by·diffoscope;·len:·394,·SHA:·89e8160fe90384352db844b6eb0556692325c7cb860929c1ad091aea22507c02·...·]-1">)</span><span·class="w"> |
| 800 | ··</span><span·class="p">-></span><span·class="w">·</span><span·class="n">TokensRet</span></code></pre> | 800 | ··</span><span·class="p">-></span><span·class="w">·</span><span·class="n">TokensRet</span></code></pre> |
| 801 | ··</section> | 801 | ··</section> |
| 802 | </section> | 802 | </section> |
| 803 | ····</div> | 803 | ····</div> |
| 804 | ··</section> | 804 | ··</section> |
| Offset 962, 15 lines modified | Offset 962, 15 lines modified | ||
| 962 | ······<p·class="built-using"> | 962 | ······<p·class="built-using"> |
| 963 | ········Built·using | 963 | ········Built·using |
| 964 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 964 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 965 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 965 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 966 | ······</p> | 966 | ······</p> |
| 967 | <p>Copyright·©·1996-202 | 967 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 968 | ····</footer> | 968 | ····</footer> |
| 969 | ··</div> | 969 | ··</div> |
| 970 | </main> | 970 | </main> |
| 971 | </div> | 971 | </div> |
| 972 | <script> | 972 | <script> |
| 973 | ··function·mermaidLoaded()·{ | 973 | ··function·mermaidLoaded()·{ |
| 974 | ····mermaid.initialize({ | 974 | ····mermaid.initialize({ |
| Offset 730, 15 lines modified | Offset 730, 15 lines modified | ||
| 730 | ······<p·class="built-using"> | 730 | ······<p·class="built-using"> |
| 731 | ········Built·using | 731 | ········Built·using |
| 732 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 732 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 733 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 733 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 734 | ······</p> | 734 | ······</p> |
| 735 | <p>Copyright·©·1996-202 | 735 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 736 | ····</footer> | 736 | ····</footer> |
| 737 | ··</div> | 737 | ··</div> |
| 738 | </main> | 738 | </main> |
| 739 | </div> | 739 | </div> |
| 740 | <script> | 740 | <script> |
| 741 | ··function·mermaidLoaded()·{ | 741 | ··function·mermaidLoaded()·{ |
| 742 | ····mermaid.initialize({ | 742 | ····mermaid.initialize({ |
| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 158, 16 lines modified | Offset 158, 16 lines modified | ||
| 158 | <code·class="inline">{Category,·Position,·Symbol}</code>.</p><p>If·a·terminal·symbol·is·the·only·member·of·a·category,·and·the·symbol·name·is | 158 | <code·class="inline">{Category,·Position,·Symbol}</code>.</p><p>If·a·terminal·symbol·is·the·only·member·of·a·category,·and·the·symbol·name·is |
| 159 | identical·to·the·category·name,·the·token·format·can·be·<code·class="inline">{Symbol,·Position}</code>.</p><p>A·list·of·tokens·produced·by·the·scanner·should·end·with·a·special | 159 | identical·to·the·category·name,·the·token·format·can·be·<code·class="inline">{Symbol,·Position}</code>.</p><p>A·list·of·tokens·produced·by·the·scanner·should·end·with·a·special |
| 160 | <code·class="inline">end_of_input</code>·tuple·which·the·parser·is·looking·for.·The·format·of·this·tuple | 160 | <code·class="inline">end_of_input</code>·tuple·which·the·parser·is·looking·for.·The·format·of·this·tuple |
| 161 | should·be·<code·class="inline">{Endsymbol,·EndPosition}</code>,·where·<code·class="inline">Endsymbol</code>·is·an·identifier·that·is | 161 | should·be·<code·class="inline">{Endsymbol,·EndPosition}</code>,·where·<code·class="inline">Endsymbol</code>·is·an·identifier·that·is |
| 162 | distinguished·from·all·the·terminal·and·non-terminal·categories·of·the·syntax | 162 | distinguished·from·all·the·terminal·and·non-terminal·categories·of·the·syntax |
| 163 | rules.·The·<code·class="inline">Endsymbol</code>·can·be·declared·in·the·grammar·file.</p><p>The·simplest·case·is·to·segment·the·input·string·into·a·list·of·identifiers | 163 | rules.·The·<code·class="inline">Endsymbol</code>·can·be·declared·in·the·grammar·file.</p><p>The·simplest·case·is·to·segment·the·input·string·into·a·list·of·identifiers |
| 164 | (atoms)·and·use·those·atoms·both·as·categories·and·values·of·the·tokens.·For | 164 | (atoms)·and·use·those·atoms·both·as·categories·and·values·of·the·tokens.·For |
| 165 | example,·the·input·string·<code·class="inline">aaa·bbb·777,·X</code>·may·be·scanned·(tokenized)·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 165 | example,·the·input·string·<code·class="inline">aaa·bbb·777,·X</code>·may·be·scanned·(tokenized)·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6562102076-1">[</span><span·class="p"·data-group-id="6562102076-2">{</span><span·class="ss">aaa</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="6562102076-2">}</span><span·class="p">,</span><spa[·...·truncated·by·diffoscope;·len:·1016,·SHA:·1f090f2acc9cb7884d501101a1cff0e7cb1b8b2a02213c1532f94780799b67d4·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 166 | ·</span><span·class="p"·data-group-id=" | 166 | ·</span><span·class="p"·data-group-id="6562102076-7">{</span><span·class="ss">'$end'</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="6562102076-7">}</span><span·class="p"·data-group-id="6562102076-1">]</span><span·class="p">.</span></code></pre><p>This·assumes·that·this·is·the·first·line·of·the·input·text,·and·that·<code·class="inline">'$end'</code>·is |
| 167 | the·distinguished·<code·class="inline">end_of_input</code>·symbol.</p><p>The·Erlang·scanner·in·the·<code·class="inline">io</code>·module·can·be·used·as·a·starting·point·when | 167 | the·distinguished·<code·class="inline">end_of_input</code>·symbol.</p><p>The·Erlang·scanner·in·the·<code·class="inline">io</code>·module·can·be·used·as·a·starting·point·when |
| 168 | writing·a·new·scanner.·Study·<code·class="inline">yeccscan.erl</code>·in·order·to·see·how·a·filter·can·be | 168 | writing·a·new·scanner.·Study·<code·class="inline">yeccscan.erl</code>·in·order·to·see·how·a·filter·can·be |
| 169 | added·on·top·of·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#scan_erl_form/3"><code·class="inline">io:scan_erl_form/3</code></a>·to·provide·a·scanner·for·Yecc·that | 169 | added·on·top·of·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#scan_erl_form/3"><code·class="inline">io:scan_erl_form/3</code></a>·to·provide·a·scanner·for·Yecc·that |
| 170 | tokenizes·grammar·files·before·parsing·them·with·the·Yecc·parser.·A·more·general | 170 | tokenizes·grammar·files·before·parsing·them·with·the·Yecc·parser.·A·more·general |
| 171 | approach·to·scanner·implementation·is·to·use·a·scanner·generator·such·as | 171 | approach·to·scanner·implementation·is·to·use·a·scanner·generator·such·as |
| 172 | <a·href="leex.html"><code·class="inline">leex</code></a>.</p><h2·id="module-grammar-definition-format"·class="section-heading"> | 172 | <a·href="leex.html"><code·class="inline">leex</code></a>.</p><h2·id="module-grammar-definition-format"·class="section-heading"> |
| 173 | ··<a·href="#module-grammar-definition-format"·class="hover-link"> | 173 | ··<a·href="#module-grammar-definition-format"·class="hover-link"> |
| Offset 229, 29 lines modified | Offset 229, 29 lines modified | ||
| 229 | list·->·'('·')'. | 229 | list·->·'('·')'. |
| 230 | list·->·'('·elements·')'. | 230 | list·->·'('·elements·')'. |
| 231 | elements·->·element. | 231 | elements·->·element. |
| 232 | elements·->·element·elements. | 232 | elements·->·element·elements. |
| 233 | element·->·atom. | 233 | element·->·atom. |
| 234 | element·->·list.</code></pre><p>This·grammar·can·be·used·to·generate·a·parser·which·parses·list·expressions, | 234 | element·->·list.</code></pre><p>This·grammar·can·be·used·to·generate·a·parser·which·parses·list·expressions, |
| 235 | such·as·<code·class="inline">(),·(a),·(peter·charles),·(a·(b·c)·d·(())),·...</code>·provided·that·your | 235 | such·as·<code·class="inline">(),·(a),·(peter·charles),·(a·(b·c)·d·(())),·...</code>·provided·that·your |
| 236 | scanner·tokenizes,·for·example,·the·input·<code·class="inline">(peter·charles)</code>·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 236 | scanner·tokenizes,·for·example,·the·input·<code·class="inline">(peter·charles)</code>·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4396646490-1">[</span><span·class="p"·data-group-id="4396646490-2">{</span><span·class="ss">'('</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="4396646490-2">}</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·919,·SHA:·089fd790802cd2603fe878b1f1577593550d5ca497ceffa298f42332e00c80d7·...·]0-5">}</span><span·class="p">,</span><span·class="w"> |
| 237 | ·</span><span·class="p"·data-group-id=" | 237 | ·</span><span·class="p"·data-group-id="4396646490-6">{</span><span·class="ss">'$end'</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="4396646490-6">}</span><span·class="p"·data-group-id="4396646490-1">]</span></code></pre><p>When·a·grammar·rule·is·used·by·the·parser·to·parse·(part·of)·the·input·string·as |
| 238 | a·grammatical·phrase,·the·associated·code·is·evaluated,·and·the·value·of·the | 238 | a·grammatical·phrase,·the·associated·code·is·evaluated,·and·the·value·of·the |
| 239 | last·expression·becomes·the·value·of·the·parsed·phrase.·This·value·may·be·used | 239 | last·expression·becomes·the·value·of·the·parsed·phrase.·This·value·may·be·used |
| 240 | by·the·parser·later·to·build·structures·that·are·values·of·higher·phrases·of | 240 | by·the·parser·later·to·build·structures·that·are·values·of·higher·phrases·of |
| 241 | which·the·current·phrase·is·a·part.·The·values·initially·associated·with | 241 | which·the·current·phrase·is·a·part.·The·values·initially·associated·with |
| 242 | terminal·category·phrases,·i.e.·input·tokens,·are·the·token·tuples·themselves.</p><p>Below·is·an·example·of·the·grammar·above·with·structure·building·code·added:</p><pre><code·class="text">list·->·'('·')'·:·nil. | 242 | terminal·category·phrases,·i.e.·input·tokens,·are·the·token·tuples·themselves.</p><p>Below·is·an·example·of·the·grammar·above·with·structure·building·code·added:</p><pre><code·class="text">list·->·'('·')'·:·nil. |
| 243 | list·->·'('·elements·')'·:·'$2'. | 243 | list·->·'('·elements·')'·:·'$2'. |
| 244 | elements·->·element·:·{cons,·'$1',·nil}. | 244 | elements·->·element·:·{cons,·'$1',·nil}. |
| 245 | elements·->·element·elements·:·{cons,·'$1',·'$2'}. | 245 | elements·->·element·elements·:·{cons,·'$1',·'$2'}. |
| 246 | element·->·atom·:·'$1'. | 246 | element·->·atom·:·'$1'. |
| 247 | element·->·list·:·'$1'.</code></pre><p>With·this·code·added·to·the·grammar·rules,·the·parser·produces·the·following | 247 | element·->·list·:·'$1'.</code></pre><p>With·this·code·added·to·the·grammar·rules,·the·parser·produces·the·following |
| 248 | value·(structure)·when·parsing·the·input·string·<code·class="inline">(a·b·c).</code>.·This·still·assumes | 248 | value·(structure)·when·parsing·the·input·string·<code·class="inline">(a·b·c).</code>.·This·still·assumes |
| 249 | that·this·was·the·first·input·line·that·the·scanner·tokenized:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 249 | that·this·was·the·first·input·line·that·the·scanner·tokenized:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1079317463-1">{</span><span·class="ss">cons</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1079317463-2">{</span><span·class="ss">atom</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><spa[·...·truncated·by·diffoscope;·len:·567,·SHA:·856caff904708730e9963b134003c69e65ec391c09ab95b8a50c05dc1946e32b·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 250 | ····························</span><span·class="p"·data-group-id=" | 250 | ····························</span><span·class="p"·data-group-id="1079317463-5">{</span><span·class="ss">cons</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1079317463-6">{</span><span·class="ss">atom</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><spa[·...·truncated·by·diffoscope;·len:·344,·SHA:·d91e5fabe4f3d21a10c54396699d5c91de8f89dd09bf2408239ce7ab76250bbb·...·]-1">}</span></code></pre><p>The·associated·code·contains·<code·class="inline">pseudo·variables</code>·<code·class="inline">'$1'</code>,·<code·class="inline">'$2'</code>, |
| 251 | <code·class="inline">'$3'</code>,·and·so·on.··which·refer·to·(are·bound·to)·the·values | 251 | <code·class="inline">'$3'</code>,·and·so·on.··which·refer·to·(are·bound·to)·the·values |
| 252 | associated·previously·by·the·parser·with·the·symbols·of·the·right-hand | 252 | associated·previously·by·the·parser·with·the·symbols·of·the·right-hand |
| 253 | side·of·the·rule.·When·these·symbols·are·terminal·categories,·the | 253 | side·of·the·rule.·When·these·symbols·are·terminal·categories,·the |
| 254 | values·are·token·tuples·of·the·input·string·(see·above).</p><p>The·associated·code·may·not·only·be·used·to·build·structures | 254 | values·are·token·tuples·of·the·input·string·(see·above).</p><p>The·associated·code·may·not·only·be·used·to·build·structures |
| 255 | associated·with·phrases,·but·may·also·be·used·for·syntactic·and | 255 | associated·with·phrases,·but·may·also·be·used·for·syntactic·and |
| 256 | semantic·tests,·printout·actions·(for·example·for·tracing),·and·so·on | 256 | semantic·tests,·printout·actions·(for·example·for·tracing),·and·so·on |
| 257 | during·the·parsing·process.·Since·tokens·contain·positional·(line | 257 | during·the·parsing·process.·Since·tokens·contain·positional·(line |
| Offset 266, 37 lines modified | Offset 266, 37 lines modified | ||
| 266 | element·->·atom·:·'$1'. | 266 | element·->·atom·:·'$1'. |
| 267 | element·->·list·:·'$1'.</code></pre><h2·id="module-generating-a-parser"·class="section-heading"> | 267 | element·->·list·:·'$1'.</code></pre><h2·id="module-generating-a-parser"·class="section-heading"> |
| 268 | ··<a·href="#module-generating-a-parser"·class="hover-link"> | 268 | ··<a·href="#module-generating-a-parser"·class="hover-link"> |
| 269 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 269 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 270 | ··</a> | 270 | ··</a> |
| 271 | ··<span·class="text">Generating·a·Parser</span> | 271 | ··<span·class="text">Generating·a·Parser</span> |
| 272 | </h2> | 272 | </h2> |
| 273 | <p>To·call·the·parser·generator,·use·the·following·command:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">yecc</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id=" | 273 | <p>To·call·the·parser·generator,·use·the·following·command:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">yecc</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id="5108181620-1">(</span><span·class="n">Grammarfile</span><span·class="p"·data-group-id="5108181620-1">)</span><span·class="p">.</span></code></pre><p>An·error·message·from·Yecc·will·be·shown·if·the·grammar·is·not·of·the·LALR·type |
| 274 | (for·example·too·ambiguous).·Shift/reduce·conflicts·are·resolved·in·favor·of | 274 | (for·example·too·ambiguous).·Shift/reduce·conflicts·are·resolved·in·favor·of |
| 275 | shifting·if·there·are·no·operator·precedence·declarations.·Refer·to·the·<code·class="inline">yacc</code> | 275 | shifting·if·there·are·no·operator·precedence·declarations.·Refer·to·the·<code·class="inline">yacc</code> |
| 276 | documentation·on·the·use·of·operator·precedence.</p><p>The·output·file·contains·Erlang·source·code·for·a·parser·module·with·module·name | 276 | documentation·on·the·use·of·operator·precedence.</p><p>The·output·file·contains·Erlang·source·code·for·a·parser·module·with·module·name |
| 277 | equal·to·the·<code·class="inline">Parserfile</code>·parameter.·After·compilation,·the·parser·can·be·called | 277 | equal·to·the·<code·class="inline">Parserfile</code>·parameter.·After·compilation,·the·parser·can·be·called |
| 278 | as·follows·(the·module·name·is·assumed·to·be·<code·class="inline">myparser</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">myparser</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id=" | 278 | as·follows·(the·module·name·is·assumed·to·be·<code·class="inline">myparser</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">myparser</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="9822157394-1">(</span><span·class="nc">myscanner</span><span·class="p">:</span><span·class="nf">scan</span><span·class="p"·data-group-id="9822157394-2">(</span><span·class="n">Inport</span><span·class="p"·data-group-id="9822157394-2">)</span><span·class="p[·...·truncated·by·diffoscope;·len:·27,·SHA:·f9ada2d55531dd560632fb028e606f3aed4f01fc06a9a2b25055ff221ddf3e4c·...·]-1">)</span></code></pre><p>The·call·format·can·be·different·if·a·customized·prologue·file·has·been·included |
| 279 | when·generating·the·parser·instead·of·the·default·file | 279 | when·generating·the·parser·instead·of·the·default·file |
| 280 | <code·class="inline">lib/parsetools/include/yeccpre.hrl</code>.</p><p>With·the·standard·prologue,·this·call·will·return·either·<code·class="inline">{ok,·Result}</code>,·where | 280 | <code·class="inline">lib/parsetools/include/yeccpre.hrl</code>.</p><p>With·the·standard·prologue,·this·call·will·return·either·<code·class="inline">{ok,·Result}</code>,·where |
| 281 | <code·class="inline">Result</code>·is·a·structure·that·the·Erlang·code·of·the·grammar·file·has·built,·or | 281 | <code·class="inline">Result</code>·is·a·structure·that·the·Erlang·code·of·the·grammar·file·has·built,·or |
| 282 | <code·class="inline">{error,·{Position,·Module,·Message}}</code>·if·there·was·a·syntax·error·in·the·input.</p><p><code·class="inline">Message</code>·is·something·which·may·be·converted·into·a·string·by·calling | 282 | <code·class="inline">{error,·{Position,·Module,·Message}}</code>·if·there·was·a·syntax·error·in·the·input.</p><p><code·class="inline">Message</code>·is·something·which·may·be·converted·into·a·string·by·calling |
| 283 | <code·class="inline">Module:format_error(Message)</code>·and·printed·with·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#format/3"><code·class="inline">io:format/3</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>By·default,·the·parser·that·was·generated·will·not·print·out·error·messages·to | 283 | <code·class="inline">Module:format_error(Message)</code>·and·printed·with·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#format/3"><code·class="inline">io:format/3</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>By·default,·the·parser·that·was·generated·will·not·print·out·error·messages·to |
| 284 | the·screen.·The·user·will·have·to·do·this·either·by·printing·the·returned | 284 | the·screen.·The·user·will·have·to·do·this·either·by·printing·the·returned |
| 285 | error·messages,·or·by·inserting·tests·and·print·instructions·in·the·Erlang | 285 | error·messages,·or·by·inserting·tests·and·print·instructions·in·the·Erlang |
| 286 | code·associated·with·the·syntax·rules·of·the·grammar·file.</p></section><p>It·is·also·possible·to·make·the·parser·ask·for·more·input·tokens·when·needed·if | 286 | code·associated·with·the·syntax·rules·of·the·grammar·file.</p></section><p>It·is·also·possible·to·make·the·parser·ask·for·more·input·tokens·when·needed·if |
| 287 | the·following·call·format·is·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">myparser</span><span·class="p">:</span><span·class="nf">parse_and_scan</span><span·class="p"·data-group-id="4479441534-1">(</span><span·class="p"·data-group-id="4479441534-2">{</span><span·class="n">Function</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Args</span><span·class="p"·data-group-id="4479441534-2">}</span><span·class="p"·data-group-id="4479441534-1">)</span><span·class="w"> | ||
| 288 | 287 | the·following·call·format·is·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">myparser</span><span·class="p">:</span><span·class="nf">parse_and_scan</span><span·class="p"·data-group-id="7398546606-1">(</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·258,·SHA:·391e168c9c9d4ee4a76dd3a82f0a957aff65977e326890bc1f6065f95a0fe61f·...·] | |
| 288 | </span><span·class="nc">myparser</span><span·class="p">:</span><span·class="nf">parse_and_scan</span><span·class="p"·data-group-id="7398546606-3">(</span><span·class="p"·data-group-id="7398546606-4">{</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tokenizer</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Args</span><span·class="p"·data-group-id="7398546606-4">}</span><span·class="p"·data-group-id="7398546606-3">)</span></code></pre><p>The·tokenizer·<code·class="inline">Function</code>·is·either·a·fun·or·a·tuple·<code·class="inline">{Mod,·Tokenizer}</code>.·The·call | ||
| 289 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/2"><code·class="inline">apply(Function,·Args)</code></a>·or | 289 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/2"><code·class="inline">apply(Function,·Args)</code></a>·or |
| 290 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/2"><code·class="inline">apply({Mod,·Tokenizer},·Args)</code></a>·is·executed·whenever·a·new·token·is | 290 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/2"><code·class="inline">apply({Mod,·Tokenizer},·Args)</code></a>·is·executed·whenever·a·new·token·is |
| 291 | needed.·This,·for·example,·makes·it·possible·to·parse·from·a·file,·token·by | 291 | needed.·This,·for·example,·makes·it·possible·to·parse·from·a·file,·token·by |
| 292 | token.</p><p>The·tokenizer·used·above·has·to·be·implemented·so·as·to·return·one·of·the | 292 | token.</p><p>The·tokenizer·used·above·has·to·be·implemented·so·as·to·return·one·of·the |
| 293 | following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3 | 293 | following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3609129322-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tokens</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EndPosition</span><span·class="p"·data-group-id="3609129322-1">}</span><span·class="w"> |
| 294 | </span><span·class="p"·data-group-id="3 | 294 | </span><span·class="p"·data-group-id="3609129322-2">{</span><span·class="ss">eof</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EndPosition</span><span·class="p"·data-group-id="3609129322-2">}</span><span·class="w"> |
| 295 | </span><span·class="p"·data-group-id="3 | 295 | </span><span·class="p"·data-group-id="3609129322-3">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Error_description</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EndPosition</span><span·class="p"·data-group-id="36091[·...·truncated·by·diffoscope;·len:·5,·SHA:·e7ac9b85758a1c2aecb7daa64809ef9a91ed6d6bf3c2cb2ee35c584f3ba8c9b4·...·]-3">}</span></code></pre><p>This·conforms·to·the·format·used·by·the·scanner·in·the·Erlang·<code·class="inline">io</code>·library |
| 296 | module.</p><p>If·<code·class="inline">{eof,·EndPosition}</code>·is·returned·immediately,·the·call·to·<code·class="inline">parse_and_scan/1</code> | 296 | module.</p><p>If·<code·class="inline">{eof,·EndPosition}</code>·is·returned·immediately,·the·call·to·<code·class="inline">parse_and_scan/1</code> |
| 297 | returns·<code·class="inline">{ok,·eof}</code>.·If·<code·class="inline">{eof,·EndPosition}</code>·is·returned·before·the·parser | 297 | returns·<code·class="inline">{ok,·eof}</code>.·If·<code·class="inline">{eof,·EndPosition}</code>·is·returned·before·the·parser |
| 298 | expects·end·of·input,·<code·class="inline">parse_and_scan/1</code>·will,·of·course,·return·an·error | 298 | expects·end·of·input,·<code·class="inline">parse_and_scan/1</code>·will,·of·course,·return·an·error |
| 299 | message·(see·above).·Otherwise·<code·class="inline">{ok,·Result}</code>·is·returned.</p><h2·id="module-more-examples"·class="section-heading"> | 299 | message·(see·above).·Otherwise·<code·class="inline">{ok,·Result}</code>·is·returned.</p><h2·id="module-more-examples"·class="section-heading"> |
| 300 | ··<a·href="#module-more-examples"·class="hover-link"> | 300 | ··<a·href="#module-more-examples"·class="hover-link"> |
| 301 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 301 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 302 | ··</a> | 302 | ··</a> |
| Offset 338, 44 lines modified | Offset 338, 44 lines modified | ||
| 338 | </span><span·class="n">Terminals</span><span·class="w"> | 338 | </span><span·class="n">Terminals</span><span·class="w"> |
| 339 | </span><span·class="ss">atom</span><span·class="w">·</span><span·class="nb">float</span><span·class="w">·</span><span·class="ss">integer</span><span·class="w">·</span><span·class="ss">reserved_symbol</span><span·class="w">·</span><span·class="ss">reserved_word</span><span·class="w">·</span><span·class="ss">string</span><span·class="w">·</span><span·class="ss">char</span><span·class="w">·</span><span·class="ss">var</span><span·class="w"> | 339 | </span><span·class="ss">atom</span><span·class="w">·</span><span·class="nb">float</span><span·class="w">·</span><span·class="ss">integer</span><span·class="w">·</span><span·class="ss">reserved_symbol</span><span·class="w">·</span><span·class="ss">reserved_word</span><span·class="w">·</span><span·class="ss">string</span><span·class="w">·</span><span·class="ss">char</span><span·class="w">·</span><span·class="ss">var</span><span·class="w"> |
| 340 | </span><span·class="ss">'->'</span><span·class="w">·</span><span·class="ss">':'</span><span·class="w">·</span><span·class="ss">dot</span><span·class="p">.</span><span·class="w"> | 340 | </span><span·class="ss">'->'</span><span·class="w">·</span><span·class="ss">':'</span><span·class="w">·</span><span·class="ss">dot</span><span·class="p">.</span><span·class="w"> |
| 341 | </span><span·class="n">Rootsymbol</span><span·class="w">·</span><span·class="ss">grammar</span><span·class="p">.</span><span·class="w"> | 341 | </span><span·class="n">Rootsymbol</span><span·class="w">·</span><span·class="ss">grammar</span><span·class="p">.</span><span·class="w"> |
| 342 | </span><span·class="n">Endsymbol</span><span·class="w">·</span><span·class="ss">'$end'</span><span·class="p">.</span><span·class="w"> | 342 | </span><span·class="n">Endsymbol</span><span·class="w">·</span><span·class="ss">'$end'</span><span·class="p">.</span><span·class="w"> |
| 343 | </span><span·class="ss">grammar</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">declaration</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> | 343 | </span><span·class="ss">grammar</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">declaration</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> |
| 344 | </span><span·class="ss">grammar</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">rule</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> | 344 | </span><span·class="ss">grammar</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">rule</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> |
| 345 | </span><span·class="ss">declaration</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">symbol</span><span·class="w">·</span><span·class="ss">symbols</span><span·class="w">·</span><span·class="nc">dot</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 345 | </span><span·class="ss">declaration</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">symbol</span><span·class="w">·</span><span·class="ss">symbols</span><span·class="w">·</span><span·class="nc">dot</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-1">{</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$2'</span><span·class="p"·data-group-id="0020220647-1">}</span><span·class="p">.</span><span·class="w"> |
| 346 | </span><span·class="ss">rule</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">head</span><span·class="w">·</span><span·class="ss">'->'</span><span·class="w">·</span><span·class="ss">symbols</span><span·class="w">·</span><span·class="ss">attached_code</span><span·class="w">·</span><span·class="nc">dot</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 346 | </span><span·class="ss">rule</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">head</span><span·class="w">·</span><span·class="ss">'->'</span><span·class="w">·</span><span·class="ss">symbols</span><span·class="w">·</span><span·class="ss">attached_code</span><span·class="w">·</span><span·class="nc">dot</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-2">{</span><span·class="ss">rule</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-3">[</span><span·class="ss">'$1'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·80,·SHA:·40128ba6d9cf337f2ea3e89eef7623b8ae35d0ecaf60a35032aef8e87e01f339·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 347 | ········</span><span·class="ss">'$4'</span><span·class="p"·data-group-id=" | 347 | ········</span><span·class="ss">'$4'</span><span·class="p"·data-group-id="0020220647-2">}</span><span·class="p">.</span><span·class="w"> |
| 348 | </span><span·class="ss">head</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> | 348 | </span><span·class="ss">head</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> |
| 349 | </span><span·class="ss">symbols</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 349 | </span><span·class="ss">symbols</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-4">[</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="0020220647-4">]</span><span·class="p">.</span><span·class="w"> |
| 350 | </span><span·class="ss">symbols</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">symbol</span><span·class="w">·</span><span·class="ss">symbols</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 350 | </span><span·class="ss">symbols</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">symbol</span><span·class="w">·</span><span·class="ss">symbols</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-5">[</span><span·class="ss">'$1'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'$2'</span><span·class="p"·data-group-id="0020220647-5">]</span><span·class="p">.</span><span·class="w"> |
| 351 | </span><span·class="ss">attached_code</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">':'</span><span·class="w">·</span><span·class="ss">tokens</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 351 | </span><span·class="ss">attached_code</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">':'</span><span·class="w">·</span><span·class="ss">tokens</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-6">{</span><span·class="ss">erlang_code</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$2'</span><span·class="p"·data-group-id="0020220647-6">}</span><span·class="p">.</span><span·class="w"> |
| 352 | </span><span·class="ss">attached_code</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">'$empty'</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 352 | </span><span·class="ss">attached_code</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">'$empty'</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-7">{</span><span·class="ss">erlang_code</span><span·class="p">,</span><span·class="w"> |
| 353 | ·················</span><span·class="p"·data-group-id=" | 353 | ·················</span><span·class="p"·data-group-id="0020220647-8">[</span><span·class="p"·data-group-id="0020220647-9">{</span><span·class="ss">atom</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$undefined[·...·truncated·by·diffoscope;·len:·159,·SHA:·066d610452d1048de7812a8814da33cd099ee26ca0c99467f90fb8cb14de3a78·...·]-7">}</span><span·class="p">.</span><span·class="w"> |
| 354 | </span><span·class="ss">tokens</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">token</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 354 | </span><span·class="ss">tokens</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">token</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-10">[</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="0020220647-10">]</span><span·class="p">.</span><span·class="w"> |
| 355 | </span><span·class="ss">tokens</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">token</span><span·class="w">·</span><span·class="ss">tokens</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 355 | </span><span·class="ss">tokens</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">token</span><span·class="w">·</span><span·class="ss">tokens</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-11">[</span><span·class="ss">'$1'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'$2'</span><span·class="p"·data-group-id="0020220647-11">]</span><span·class="p">.</span><span·class="w"> |
| 356 | </span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">var</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id=" | 356 | </span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">var</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id="0020220647-12">(</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="0020220647-12">)</span><span·class="p">.</span><span·class="w"> |
| 357 | </span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">atom</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id=" | 357 | </span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">atom</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id="0020220647-13">(</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="0020220647-13">)</span><span·class="p">.</span><span·class="w"> |
| 358 | </span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">integer</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id=" | 358 | </span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">integer</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id="0020220647-14">(</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="0020220647-14">)</span><span·class="p">.</span><span·class="w"> |
| 359 | </span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">reserved_word</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id=" | 359 | </span><span·class="ss">symbol</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">reserved_word</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id="0020220647-15">(</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="0020220647-15">)</span><span·class="p">.</span><span·class="w"> |
| 360 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">var</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> | 360 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">var</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> |
| 361 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">atom</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> | 361 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">atom</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> |
| 362 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nb">float</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> | 362 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nb">float</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> |
| 363 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">integer</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> | 363 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">integer</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> |
| 364 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">string</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> | 364 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">string</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> |
| 365 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">char</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> | 365 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">char</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p">.</span><span·class="w"> |
| 366 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">reserved_symbol</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 366 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">reserved_symbol</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-16">{</span><span·class="nf">value_of</span><span·class="p"·data-group-id="0020220647-17">(</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="0020220647-17">)</span><span·class="p">,</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·207,·SHA:·b3cee860b134811b1dd674c6102bd8603f1f6e9d3ae3e836f222792a1b584763·...·]-16">}</span><span·class="p">.</span><span·class="w"> |
| 367 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">reserved_word</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 367 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">reserved_word</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-19">{</span><span·class="nf">value_of</span><span·class="p"·data-group-id="0020220647-20">(</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="0020220647-20">)</span><span·class="p">,</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·207,·SHA:·5d4a22b996336b49f37e264da83125cdf68f692eaa08dea2358e20783954bdfe·...·]-19">}</span><span·class="p">.</span><span·class="w"> |
| 368 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">'->'</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 368 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">'->'</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-22">{</span><span·class="ss">'->'</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">line_of</span><span·class="p"·data-group-id="0020220647-23">(</span><span·class="ss">'$1'</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·70,·SHA:·4a9a30b8c9b084390013b9e71d0ca5b9992e1142e6e566d35150841a5a0c05b4·...·]-22">}</span><span·class="p">.</span><span·class="w"> |
| 369 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">':'</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 369 | </span><span·class="ss">token</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">':'</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0020220647-24">{</span><span·class="ss">':'</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">line_of</span><span·class="p"·data-group-id="0020220647-25">(</span><span·class="ss">'$1'</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·66,·SHA:·18765dff989eeb0a3ec7ba4cffe703a7b41e78e20b4f92b122d5d4493a9ca620·...·]-24">}</span><span·class="p">.</span><span·class="w"> |
| 370 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="ss">code</span><span·class="p">.</span><span·class="w"> | 370 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="ss">code</span><span·class="p">.</span><span·class="w"> |
| 371 | </span><span·class="nf">value_of</span><span·class="p"·data-group-id=" | 371 | </span><span·class="nf">value_of</span><span·class="p"·data-group-id="0020220647-26">(</span><span·class="n">Token</span><span·class="p"·data-group-id="0020220647-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 372 | ····</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 372 | ····</span><span·class="nf">element</span><span·class="p"·data-group-id="0020220647-27">(</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Token</span><span·class="p"·data-group-id="0020220647-27">)</span><span·class="p">.</span><span·class="w"> |
| 373 | </span><span·class="nf">line_of</span><span·class="p"·data-group-id=" | 373 | </span><span·class="nf">line_of</span><span·class="p"·data-group-id="0020220647-28">(</span><span·class="n">Token</span><span·class="p"·data-group-id="0020220647-28">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 374 | ····</span><span·class="nf">element</span><span·class="p"·data-group-id=" | 374 | ····</span><span·class="nf">element</span><span·class="p"·data-group-id="0020220647-29">(</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Token</span><span·class="p"·data-group-id="0020220647-29">)</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·symbols·<code·class="inline">'->'</code>,·and·<code·class="inline">':'</code>·have·to·be·treated·in·a·special·way,·as·they·are |
| 375 | meta·symbols·of·the·grammar·notation,·as·well·as·terminal·symbols·of·the·Yecc | 375 | meta·symbols·of·the·grammar·notation,·as·well·as·terminal·symbols·of·the·Yecc |
| 376 | grammar.</p></section><p>5.·The·file·<code·class="inline">erl_parse.yrl</code>·in·the·<code·class="inline">lib/stdlib/src</code>·directory·contains·the | 376 | grammar.</p></section><p>5.·The·file·<code·class="inline">erl_parse.yrl</code>·in·the·<code·class="inline">lib/stdlib/src</code>·directory·contains·the |
| 377 | grammar·for·Erlang.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Syntactic·tests·are·used·in·the·code·associated·with·some·rules,·and·an·error | 377 | grammar·for·Erlang.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Syntactic·tests·are·used·in·the·code·associated·with·some·rules,·and·an·error |
| 378 | is·thrown·(and·caught·by·the·generated·parser·to·produce·an·error·message) | 378 | is·thrown·(and·caught·by·the·generated·parser·to·produce·an·error·message) |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 181 | ······<p·class="built-using"> | 181 | ······<p·class="built-using"> |
| 182 | ········Built·using | 182 | ········Built·using |
| 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 185 | ······</p> | 185 | ······</p> |
| 186 | <p>Copyright·©·1996-202 | 186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 187 | ····</footer> | 187 | ····</footer> |
| 188 | ··</div> | 188 | ··</div> |
| 189 | </main> | 189 | </main> |
| 190 | </div> | 190 | </div> |
| 191 | <script> | 191 | <script> |
| 192 | ··function·mermaidLoaded()·{ | 192 | ··function·mermaidLoaded()·{ |
| 193 | ····mermaid.initialize({ | 193 | ····mermaid.initialize({ |
| Offset 1481, 15 lines modified | Offset 1481, 15 lines modified | ||
| 1481 | ······<p·class="built-using"> | 1481 | ······<p·class="built-using"> |
| 1482 | ········Built·using | 1482 | ········Built·using |
| 1483 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1483 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1484 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1484 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1485 | ······</p> | 1485 | ······</p> |
| 1486 | <p>Copyright·©·1996-202 | 1486 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1487 | ····</footer> | 1487 | ····</footer> |
| 1488 | ··</div> | 1488 | ··</div> |
| 1489 | </main> | 1489 | </main> |
| 1490 | </div> | 1490 | </div> |
| 1491 | <script> | 1491 | <script> |
| 1492 | ··function·mermaidLoaded()·{ | 1492 | ··function·mermaidLoaded()·{ |
| 1493 | ····mermaid.initialize({ | 1493 | ····mermaid.initialize({ |
| Offset 3187, 30 lines modified | Offset 3187, 30 lines modified | ||
| 3187 | certificates·include·policies·the·constrained·policy·set·with | 3187 | certificates·include·policies·the·constrained·policy·set·with |
| 3188 | potential·qualifiers·will·be·returned,·these·values·are·derived·from | 3188 | potential·qualifiers·will·be·returned,·these·values·are·derived·from |
| 3189 | the·policy·tree·created·as·part·of·the·path·validation·algorithm.·The | 3189 | the·policy·tree·created·as·part·of·the·path·validation·algorithm.·The |
| 3190 | constrained·set·can·be·constrained·only·by·the·Certificate·Authorities | 3190 | constrained·set·can·be·constrained·only·by·the·Certificate·Authorities |
| 3191 | or·also·by·the·user·when·the·option·<code·class="inline">policy_set</code>·is·provided·to·this | 3191 | or·also·by·the·user·when·the·option·<code·class="inline">policy_set</code>·is·provided·to·this |
| 3192 | function.·The·qualifiers·convey·information·about·the·valid·policy·and | 3192 | function.·The·qualifiers·convey·information·about·the·valid·policy·and |
| 3193 | is·intended·as·information·to·end·users.</p><p>Available·options:</p><ul><li><p><strong>{verify_fun,·{fun(),·UserState::term()}</strong>·-·The·fun·must·be | 3193 | is·intended·as·information·to·end·users.</p><p>Available·options:</p><ul><li><p><strong>{verify_fun,·{fun(),·UserState::term()}</strong>·-·The·fun·must·be |
| 3194 | defined·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id=" | 3194 | defined·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="3546061096-1">(</span><span·class="n">OtpCert</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'OTPCertificate'</span><span·class="p"·data-group-id="35460[·...·truncated·by·diffoscope;·len:·57,·SHA:·a1bcfb1bb2b4fe79102e680a60d65fddbcc324d0e7b8a97b2d8eb822c1393569·...·]6-2">}</span><span·class="p">,</span><span·class="w"> |
| 3195 | ····</span><span·class="n">Event</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="0098324626-3">{</span><span·class="ss">bad_cert</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">bad_cert_reason</span><span·class="p"·data-group-id="0098324626-4">(</span><span·class="p"·data-group-id="0098324626-4">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="0098324626-5">{</span><span·class="ss">revoked</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="0098324626-6">(</span><span·class="p"·data-group-id="0098324626-6">)</span><span·class="p"·data-group-id="0098324626-5">}</span><span·class="p"·data-group-id="0098324626-3">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 3196 | ·············</span><span·class="p"·data-group-id="0098324626-7">{</span><span·class="ss">extension</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'Extension'</span><span·class="p"·data-group-id="0098324626-8">{</span><span·class="p"·data-group-id="0098324626-8">}</span><span·class="p"·data-group-id="0098324626-7">}</span><span·class="p">,</span><span·class="w"> | ||
| 3197 | ····</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="0098324626-9">(</span><span·class="p"·data-group-id="0098324626-9">)</span><span·class="p"·data-group-id="0098324626-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 3198 | ··</span><span·class="p"·data-group-id="0098324626-10">{</span><span·class="ss">valid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="0098324626-11">(</span><span·class="p"·data-group-id="0098324626-11">)</span><span·class="p"·data-group-id="0098324626-10">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 3199 | ··</span><span·class="p"·data-group-id="0098324626-12">{</span><span·class="ss">valid_peer</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="0098324626-13">(</span><span·class="p"·data-group-id="0098324626-13">)</span><span·class="p"·data-group-id="0098324626-12">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 3200 | ··</span><span·class="p"·data-group-id="0098324626-14">{</span><span·class="ss">fail</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="0098324626-15">(</span><span·class="p"·data-group-id="0098324626-15">)</span><span·class="p"·data-group-id="0098324626-14">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 3201 | ··</span><span·class="p"·data-group-id="0098324626-16">{</span><span·class="ss">unknown</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="0098324626-17">(</span><span·class="p"·data-group-id="0098324626-17">)</span><span·class="p"·data-group-id="0098324626-16">}</span><span·class="p">.</span></code></pre><p>or·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="9135116096-1">(</span><span·class="n">OtpCert</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'OTPCertificate'</span><span·class="p"·data-group-id="9135116096-2">{</span><span·class="p"·data-group-id="9135116096-2">}</span><span·class="p">,</span><span·class="w"> | ||
| 3202 | ····</span><span·class="n">DerCert</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">der_encoded</span><span·class="p"·data-group-id="9135116096-3">(</span><span·class="p"·data-group-id="9135116096-3">)</span><span·class="p">,</span><span·class="w"> | ||
| 3203 | ····</span><span·class="n">Event</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 3195 | ····</span><span·class="n">Event</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="3546061096-3">{</span><span·class="ss">bad_cert</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">bad_cert_rea[·...·truncated·by·diffoscope;·len:·550,·SHA:·f39edad0723a00824087e3c375a0417b8b79290101c76f660ce21a67745be506·...·]">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 3204 | ·············</span><span·class="p"·data-group-id=" | 3196 | ·············</span><span·class="p"·data-group-id="3546061096-7">{</span><span·class="ss">extension</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'Extension'</span><span·class="p"·data-group-id="3546061096-8">{</span><span·class="p"·data-group-id="35[·...·truncated·by·diffoscope;·len:·63,·SHA:·4e03cceb17db72fde1210e6a93bfc856d2b0a3362a7bcf564ce5b5c4b11b376c·...·]">}</span><span·class="p">,</span><span·class="w"> |
| 3205 | ····</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 3197 | ····</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="3546061096-9">(</span><span·class="p"·data-group-id="3546061096-9">)</span><span·class="p"·data-group-id="3546061096-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 3206 | ··</span><span·class="p"·data-group-id=" | 3198 | ··</span><span·class="p"·data-group-id="3546061096-10">{</span><span·class="ss">valid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span>[·...·truncated·by·diffoscope;·len:·152,·SHA:·8442dfe5a2c958f6ff4fa11a0847cd3ef837e5c305aa3b7281259c23111ed95e·...·]">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 3207 | ··</span><span·class="p"·data-group-id=" | 3199 | ··</span><span·class="p"·data-group-id="3546061096-12">{</span><span·class="ss">valid_peer</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</[·...·truncated·by·diffoscope;·len:·157,·SHA:·01409e73e7a7502b01f8837d4e8174744b8bc0c5c7aaaea11f73c130ac7c5200·...·]">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 3208 | ··</span><span·class="p"·data-group-id=" | 3200 | ··</span><span·class="p"·data-group-id="3546061096-14">{</span><span·class="ss">fail</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><spa[·...·truncated·by·diffoscope;·len:·148,·SHA:·ca3f574c3d341046641714c002ea94b1325a774f145c4a75485cdc737cfc7c16·...·]">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 3201 | ··</span><span·class="p"·data-group-id="3546061096-16">{</span><span·class="ss">unknown</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="3546061096-17">(</span><span·class="p"·data-group-id="3546061096-17">)</span><span·class="p"·data-group-id="3546061096-16">}</span><span·class="p">.</span></code></pre><p>or·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="3029348761-1">(</span><span·class="n">OtpCert</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'OTPCertificate'</span><span·class="p"·data-group-id="3029348761-2">{</span><span·class="p"·data-group-id="3029348761-2">}</span><span·class="p">,</span><span·class="w"> | ||
| 3202 | ····</span><span·class="n">DerCert</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">der_encoded</span><span·class="p"·data-group-id="3029348761-3">(</span><span·class="p"·data-group-id="3029348761-3">)</span><span·class="p">,</span><span·class="w"> | ||
| 3203 | ····</span><span·class="n">Event</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="3029348761-4">{</span><span·class="ss">bad_cert</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">bad_cert_reason</span><span·class="p"·data-group-id="3029348761-5">(</span><span·class="p"·data-group-id="3029348761-5">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="3029348761-6">{</span><span·class="ss">revoked</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="3029348761-7">(</span><span·class="p"·data-group-id="3029348761-7">)</span><span·class="p"·data-group-id="3029348761-6">}</span><span·class="p"·data-group-id="3029348761-4">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 3204 | ·············</span><span·class="p"·data-group-id="3029348761-8">{</span><span·class="ss">extension</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'Extension'</span><span·class="p"·data-group-id="3029348761-9">{</span><span·class="p"·data-group-id="3029348761-9">}</span><span·class="p"·data-group-id="3029348761-8">}</span><span·class="p">,</span><span·class="w"> | ||
| 3205 | ····</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="3029348761-10">(</span><span·class="p"·data-group-id="3029348761-10">)</span><span·class="p"·data-group-id="3029348761-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 3209 | ··</span><span·class="p"·data-group-id=" | 3206 | ··</span><span·class="p"·data-group-id="3029348761-11">{</span><span·class="ss">valid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span>[·...·truncated·by·diffoscope;·len:·226,·SHA:·fc06d55fdefdefbcfd04bf0ea5b6d361271ac3cee04957535eec479c6c5ca8a8·...·] |
| 3207 | ··</span><span·class="p"·data-group-id="3029348761-13">{</span><span·class="ss">valid_peer</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="3029348761-14">(</span><span·class="p"·data-group-id="3029348761-14">)</span><span·class="p"·data-group-id="3029348761-13">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 3208 | ··</span><span·class="p"·data-group-id="3029348761-15">{</span><span·class="ss">fail</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="3029348761-16">(</span><span·class="p"·data-group-id="3029348761-16">)</span><span·class="p"·data-group-id="3029348761-15">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 3209 | ··</span><span·class="p"·data-group-id="3029348761-17">{</span><span·class="ss">unknown</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="3029348761-18">(</span><span·class="p"·data-group-id="3029348761-18">)</span><span·class="p"·data-group-id="3029348761-17">}</span><span·class="p">.</span></code></pre><p>The·verify·callback·can·have·3·or·4·arguments·in·case·the·DER·encoded | ||
| 3210 | version·is·needed·by·the·callback.</p><p>If·the·verify·callback·fun·returns·<code·class="inline">{fail,·Reason}</code>,·the·verification·process | 3210 | version·is·needed·by·the·callback.</p><p>If·the·verify·callback·fun·returns·<code·class="inline">{fail,·Reason}</code>,·the·verification·process |
| 3211 | is·immediately·stopped.·If·the·verify·callback·fun·returns | 3211 | is·immediately·stopped.·If·the·verify·callback·fun·returns |
| 3212 | <code·class="inline">{valid,·UserState}</code>,·the·verification·process·is·continued.·This·can·be·used | 3212 | <code·class="inline">{valid,·UserState}</code>,·the·verification·process·is·continued.·This·can·be·used |
| 3213 | to·accept·specific·path·validation·errors,·such·as·<code·class="inline">selfsigned_peer</code>,·as·well | 3213 | to·accept·specific·path·validation·errors,·such·as·<code·class="inline">selfsigned_peer</code>,·as·well |
| 3214 | as·verifying·application-specific·extensions.·If·called·with·an·extension | 3214 | as·verifying·application-specific·extensions.·If·called·with·an·extension |
| 3215 | unknown·to·the·user·application,·the·return·value·<code·class="inline">{unknown,·UserState}</code>·is·to | 3215 | unknown·to·the·user·application,·the·return·value·<code·class="inline">{unknown,·UserState}</code>·is·to |
| 3216 | be·used.</p><blockquote><h4·class="note">Note</h4><p>If·you·need·the·DER·encoded·version·of·the·certificate·and·have | 3216 | be·used.</p><blockquote><h4·class="note">Note</h4><p>If·you·need·the·DER·encoded·version·of·the·certificate·and·have |
| Offset 3366, 17 lines modified | Offset 3366, 17 lines modified | ||
| 3366 | certificate·is·in·agreement·with·at·least·one·of·the·<em>Reference·Identifier</em>·that | 3366 | certificate·is·in·agreement·with·at·least·one·of·the·<em>Reference·Identifier</em>·that |
| 3367 | the·client·expects·to·be·connected·to.</p><p>The·function·is·intended·to·be·added·as·an·extra·client·check·of·the | 3367 | the·client·expects·to·be·connected·to.</p><p>The·function·is·intended·to·be·added·as·an·extra·client·check·of·the |
| 3368 | peer·certificate·when·performing | 3368 | peer·certificate·when·performing |
| 3369 | <a·href="#pkix_path_validation/3">public_key:pkix_path_validation/3</a></p><p>See·<a·href="https://tools.ietf.org/html/rfc6125">RFC·6125</a>·for·detailed·information | 3369 | <a·href="#pkix_path_validation/3">public_key:pkix_path_validation/3</a></p><p>See·<a·href="https://tools.ietf.org/html/rfc6125">RFC·6125</a>·for·detailed·information |
| 3370 | about·hostname·verification.·The | 3370 | about·hostname·verification.·The |
| 3371 | <a·href="using_public_key.html#verify_hostname">User's·Guide</a>·and | 3371 | <a·href="using_public_key.html#verify_hostname">User's·Guide</a>·and |
| 3372 | <a·href="using_public_key.html#verify_hostname_examples">code·examples</a>·describes·this | 3372 | <a·href="using_public_key.html#verify_hostname_examples">code·examples</a>·describes·this |
| 3373 | function·more·detailed.</p><p>The·option·funs·are·described·here:</p><ul><li><p><strong><code·class="inline">match_fun</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="4055588660-1">(</span><span·class="n">ReferenceId</span><span·class="p">:</span><span·class="p">:</span><span·class="n">ReferenceId</span><span·class="p"·data-group-id="4055588660-2">(</span><span·class="p"·data-group-id="4055588660-2">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">FQDN</span><span·class="p">:</span><span·class="p">:</span><span·class="nf">string</span><span·class="p"·data-group-id="4055588660-3">(</span><span·class="p"·data-group-id="4055588660-3">)</span><span·class="p">,</span><span·class="w"> | ||
| 3374 | 3373 | function·more·detailed.</p><p>The·option·funs·are·described·here:</p><ul><li><p><strong><code·class="inline">match_fun</code></strong></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="6662233073-1[·...·truncated·by·diffoscope;·len:·532,·SHA:·969f90920797bcf74dd3872f4356baab668c5d6387b1daf5b5d96924eee0baa2·...·]</span><span·class="w"> | |
| 3374 | ····</span><span·class="n">PresentedId</span><span·class="p">:</span><span·class="p">:</span><span·class="p"·data-group-id="6662233073-4">{</span><span·class="ss">dNSName</span><span·class="p">,</span><span·class="nf">string</span><span·class="p"·data-group-id="6662233073-5">(</span><span·class="p"·data-group-id="6662233073-5">)</span><span·class="p"·data-group-id="6662233073-4">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="6662233073-6">{</span><span·class="ss">uniformResourceIdentifier</span><span·class="p">,</span><span·class="nf">string</span><span·class="p"·data-group-id="6662233073-7">(</span><span·class="p"·data-group-id="6662233073-7">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 3375 | ·················</span><span·class="p"·data-group-id=" | 3375 | ·················</span><span·class="p"·data-group-id="6662233073-8">{</span><span·class="ss">iPAddress</span><span·class="p">,</span><span·class="nf">list</span><span·class="p"·data-group-id="6662233073-9">(</span><span·class="nf">byte</span><span·class="p"·data-group-id="6662233073-10">(</span><span·class="p[·...·truncated·by·diffoscope;·len:·953,·SHA:·b61e22df9da62b1425892380fdcccd699fdc8de7f549562ecbe78bf81108c3cb·...·]-1">)</span></code></pre><p>This·function·replaces·the·default·host·name·matching·rules.·The·fun·should |
| 3376 | return·a·boolean·to·tell·if·the·Reference·ID·and·Presented·ID·matches·or·not. | 3376 | return·a·boolean·to·tell·if·the·Reference·ID·and·Presented·ID·matches·or·not. |
| 3377 | The·match·fun·can·also·return·a·third·value,·value,·the·atom·<code·class="inline">default</code>,·if·the | 3377 | The·match·fun·can·also·return·a·third·value,·value,·the·atom·<code·class="inline">default</code>,·if·the |
| 3378 | default·matching·rules·shall·apply.·This·makes·it·possible·to·augment·the | 3378 | default·matching·rules·shall·apply.·This·makes·it·possible·to·augment·the |
| 3379 | tests·with·a·special·case:</p><pre><code·class="text">fun(....)·->·true;···%·My·special·case | 3379 | tests·with·a·special·case:</p><pre><code·class="text">fun(....)·->·true;···%·My·special·case |
| 3380 | ···(_,·_)·->·default·%·all·others·falls·back·to·the·inherit·tests | 3380 | ···(_,·_)·->·default·%·all·others·falls·back·to·the·inherit·tests |
| 3381 | end</code></pre><p>See·<a·href="#pkix_verify_hostname_match_fun/1"><code·class="inline">pkix_verify_hostname_match_fun/1</code></a>·for·a·function·that·takes·a·protocol | 3381 | end</code></pre><p>See·<a·href="#pkix_verify_hostname_match_fun/1"><code·class="inline">pkix_verify_hostname_match_fun/1</code></a>·for·a·function·that·takes·a·protocol |
| 3382 | name·as·argument·and·returns·a·<code·class="inline">fun/2</code>·suitable·for·this·option·and | 3382 | name·as·argument·and·returns·a·<code·class="inline">fun/2</code>·suitable·for·this·option·and |
| Offset 3560, 22 lines modified | Offset 3560, 22 lines modified | ||
| 3560 | ····································revocation_status_undetermined·| | 3560 | ····································revocation_status_undetermined·| |
| 3561 | ····································{revocation_status_undetermined,·Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()}·| | 3561 | ····································{revocation_status_undetermined,·Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()}·| |
| 3562 | ····································{revoked,·<a·href="#t:crl_reason/0">crl_reason</a>()}.</pre> | 3562 | ····································{revoked,·<a·href="#t:crl_reason/0">crl_reason</a>()}.</pre> |
| 3563 | ······</div> | 3563 | ······</div> |
| 3564 | <p>Performs·CRL·validation.·It·is·intended·to·be·called·from·the·verify·fun·of | 3564 | <p>Performs·CRL·validation.·It·is·intended·to·be·called·from·the·verify·fun·of |
| 3565 | <a·href="#pkix_path_validation/3">pkix_path_validation/3·</a>.</p><p>Available·options:</p><ul><li><p><strong>{update_crl,·fun()}</strong>·-·The·fun·has·the·following·type·specification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 3565 | <a·href="#pkix_path_validation/3">pkix_path_validation/3·</a>.</p><p>Available·options:</p><ul><li><p><strong>{update_crl,·fun()}</strong>·-·The·fun·has·the·following·type·specification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="2872153253-1">(</span><span·class="o">#</span><span·class="ss">'DistributionPoint'</span><span·class="p"·data-group-id="2872153253-2">{</span><span·class="p"·data-group-id="2872153253-2">}</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·214,·SHA:·8aa4441ff762878fa80d6231a9f73fa28149b085d35f33dcb558ef24201f71ff·...·]3-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 3566 | ········</span><span·class="o">#</span><span·class="ss">'CertificateList'</span><span·class="p"·data-group-id=" | 3566 | ········</span><span·class="o">#</span><span·class="ss">'CertificateList'</span><span·class="p"·data-group-id="2872153253-4">{</span><span·class="p"·data-group-id="2872153253-4">}</span></code></pre><p>The·fun·uses·the·information·in·the·distribution·point·to·access·the·latest |
| 3567 | possible·version·of·the·CRL.·If·this·fun·is·not·specified,·Public·Key·uses·the | 3567 | possible·version·of·the·CRL.·If·this·fun·is·not·specified,·Public·Key·uses·the |
| 3568 | default·implementation:</p><pre><code·class="text">·fun(_DP,·CRL)·->·CRL·end</code></pre></li><li><p><strong>{issuer_fun,·{fun(),·UserState::term()}}</strong>·-·The·fun·has·the·following·type | 3568 | default·implementation:</p><pre><code·class="text">·fun(_DP,·CRL)·->·CRL·end</code></pre></li><li><p><strong>{issuer_fun,·{fun(),·UserState::term()}}</strong>·-·The·fun·has·the·following·type |
| 3569 | specification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id=" | 3569 | specification:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="9192126506-1">(</span><span·class="o">#</span><span·class="ss">'DistributionPoint'</span><span·class="p"·data-group-id="9192126506-2">{</span><span·class="p"·data-group-id="9192126506-2">}</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·162,·SHA:·354a89c3f28b4605a0d670e0d9e50f1a8470bd53c3d094fdb5df103b1cbff130·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 3570 | ····</span><span·class="p"·data-group-id=" | 3570 | ····</span><span·class="p"·data-group-id="9192126506-4">{</span><span·class="ss">rdnSequence</span><span·class="p">,</span><span·class="p"·data-group-id="9192126506-5">[</span><span·class="o">#</span><span·class="ss">'AttributeTypeAndValue'</span><span·class="p"·data-group-id="9192126506-6[·...·truncated·by·diffoscope;·len:·472,·SHA:·c2c8f82b56595e111b5d6e392b1f77ebcbe7d84163e96b4abf07d071e4c4a50f·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 3571 | ··</span><span·class="p"·data-group-id=" | 3571 | ··</span><span·class="p"·data-group-id="9192126506-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'OTPCertificate'</span><span·class="p"·data-group-id="9192126506-9">{</span><span·class="p"·data-group-id="9192[·...·truncated·by·diffoscope;·len:·250,·SHA:·696361a8d5ad12704c35573eb4c8e268e50cd8235abd044a3eb929e6914386e7·...·]-8">}</span></code></pre><p>The·fun·returns·the·root·certificate·and·certificate·chain·that·has·signed·the |
| 3572 | CRL.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 3572 | CRL.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="4966118135-1">(</span><span·class="n">DP</span><span·class="p">,</span><span·class="w">·</span><span·class="n">CRL</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Issuer</span><span·class="p">,</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·430,·SHA:·6a8525005e1bad3b366262d0ee51bd71748beb570e83f94f34c6f67bc79d68cb·...·]-2">}</span></code></pre></li><li><p><strong>{undetermined_details,·boolean()}</strong>·-·Defaults·to·false.·When·revocation |
| 3573 | status·cannot·be·determined,·and·this·option·is·set·to·true,·details·of·why·no | 3573 | status·cannot·be·determined,·and·this·option·is·set·to·true,·details·of·why·no |
| 3574 | CRLs·where·accepted·are·included·in·the·return·value.</p></li></ul> | 3574 | CRLs·where·accepted·are·included·in·the·return·value.</p></li></ul> |
| 3575 | ··</section> | 3575 | ··</section> |
| 3576 | </section> | 3576 | </section> |
| 3577 | <section·class="detail"·id="pkix_dist_point/1"> | 3577 | <section·class="detail"·id="pkix_dist_point/1"> |
| 3578 | ··<div·class="detail-header"> | 3578 | ··<div·class="detail-header"> |
| Offset 3899, 26 lines modified | Offset 3899, 26 lines modified | ||
| 3899 | certificate,·but·makes·the·certificate·useful·for·both·roles.</p><p>Explanation·of·the·options·used·to·customize·certificates·in·the·generated | 3899 | certificate,·but·makes·the·certificate·useful·for·both·roles.</p><p>Explanation·of·the·options·used·to·customize·certificates·in·the·generated |
| 3900 | chains:</p><ul><li><p><strong>{digest,·digest_type()}</strong>·-·Hash·algorithm·to·be·used·for·signing·the | 3900 | chains:</p><ul><li><p><strong>{digest,·digest_type()}</strong>·-·Hash·algorithm·to·be·used·for·signing·the |
| 3901 | certificate·together·with·the·key·option.·Defaults·to·sha·that·is·sha1.</p></li><li><p><strong>{key,··ec_params()|·{rsa,·Size:pos_integer(),·Prime::pos_integer()}·|·private_key()}</strong>·-·Parameters·to·be·used·to·call | 3901 | certificate·together·with·the·key·option.·Defaults·to·sha·that·is·sha1.</p></li><li><p><strong>{key,··ec_params()|·{rsa,·Size:pos_integer(),·Prime::pos_integer()}·|·private_key()}</strong>·-·Parameters·to·be·used·to·call |
| 3902 | public_key:generate_key/1,·to·generate·a·key,·or·an·existing·key.·Defaults·to | 3902 | public_key:generate_key/1,·to·generate·a·key,·or·an·existing·key.·Defaults·to |
| 3903 | generating·an·ECDSA·key.·Note·this·could·fail·if·Erlang/OTP·is·compiled·with·a | 3903 | generating·an·ECDSA·key.·Note·this·could·fail·if·Erlang/OTP·is·compiled·with·a |
| 3904 | very·old·cryptolib.</p></li><li><p><strong>{validity,·{From::erlang:timestamp(),·To::erlang:timestamp()}}</strong>·-·The | 3904 | very·old·cryptolib.</p></li><li><p><strong>{validity,·{From::erlang:timestamp(),·To::erlang:timestamp()}}</strong>·-·The |
| 3905 | validity·period·of·the·certificate.</p></li><li><p><strong>{extensions,·[#'Extension'{}]}</strong>·-·Extensions·to·include·in·the | 3905 | validity·period·of·the·certificate.</p></li><li><p><strong>{extensions,·[#'Extension'{}]}</strong>·-·Extensions·to·include·in·the |
| 3906 | certificate.</p><p>Default·extensions·included·in·CA·certificates·if·not·otherwise·specified·are:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 3906 | certificate.</p><p>Default·extensions·included·in·CA·certificates·if·not·otherwise·specified·are:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4971160948-1">[</span><span·class="o">#</span><span·class="ss">'Extension'</span><span·class="p"·data-group-id="4971160948-2">{</span><span·class="ss">extnID</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="ss">'id-ce-keyUsage'</span><span·class="p">,</span><span·class="w"> |
| 3907 | ··············</span><span·class="ss">extnValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 3907 | ··············</span><span·class="ss">extnValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4971160948-3">[</span><span·class="ss">keyCertSign</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">cRLSign</span><span·class="p"·data-group-id="4971160948-3">]</span><span·class="p">,</span><span·class="w"> |
| 3908 | ··············</span><span·class="ss">critical</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id=" | 3908 | ··············</span><span·class="ss">critical</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="4971160948-2">}</span><span·class="p">,</span><span·class="w"> |
| 3909 | </span><span·class="o">#</span><span·class="ss">'Extension'</span><span·class="p"·data-group-id=" | 3909 | </span><span·class="o">#</span><span·class="ss">'Extension'</span><span·class="p"·data-group-id="4971160948-4">{</span><span·class="ss">extnID</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="ss">'id-ce-basicConstraints'</span><span·class="p">,</span><span·class="w"> |
| 3910 | ·············</span><span·class="ss">extnValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'BasicConstraints'</span><span·class="p"·data-group-id=" | 3910 | ·············</span><span·class="ss">extnValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'BasicConstraints'</span><span·class="p"·data-group-id="4971160948-5">{</span><span·class="ss">cA</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="4971160948-5">}</span><span·class="p">,</span><span·class="w"> |
| 3911 | ·············</span><span·class="ss">critical</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id=" | 3911 | ·············</span><span·class="ss">critical</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="4971160948-4">}</span><span·class="p"·data-group-id="4971160948-1">]</span></code></pre><p>Default·extensions·included·in·the·server·peer·cert·if·not·otherwise·specified |
| 3912 | are:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="029 | 3912 | are:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9091292461-1">[</span><span·class="o">#</span><span·class="ss">'Extension'</span><span·class="p"·data-group-id="9091292461-2">{</span><span·class="ss">extnID</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="ss">'id-ce-keyUsage'</span><span·class="p">,</span><span·class="w"> |
| 3913 | ··············</span><span·class="ss">extnValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="029 | 3913 | ··············</span><span·class="ss">extnValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9091292461-3">[</span><span·class="ss">digitalSignature</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">keyAgreement</span><span·class="p"·data-group-id="9091292461-3">]</span><span·class="p">,</span><span·class="w"> |
| 3914 | ··············</span><span·class="ss">critical</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="029 | 3914 | ··············</span><span·class="ss">critical</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="9091292461-2">}</span><span·class="p">,</span><span·class="w"> |
| 3915 | </span><span·class="o">#</span><span·class="ss">'Extension'</span><span·class="p"·data-group-id="029 | 3915 | </span><span·class="o">#</span><span·class="ss">'Extension'</span><span·class="p"·data-group-id="9091292461-4">{</span><span·class="ss">extnID</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="ss">'id-ce-subjectAltName'</span><span·class="p">,</span><span·class="w"> |
| 3916 | ·············</span><span·class="ss">extnValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="029 | 3916 | ·············</span><span·class="ss">extnValue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9091292461-5">[</span><span·class="p"·data-group-id="9091292461-6">{</span><span·class="ss">dNSName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Hostname</span><span·class="p"·data-group-id="9091292461-6">}</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·38a3704eb738b6c5c0cdb1dd44f53be4b07c275026e84d265f6c3c1fbe2cd7aa·...·]-5">]</span><span·class="p">,</span><span·class="w"> |
| 3917 | ·············</span><span·class="ss">critical</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="029 | 3917 | ·············</span><span·class="ss">critical</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="9091292461-4">}</span><span·class="p"·data-group-id="9091292461-1">]</span></code></pre><p>Hostname·is·the·result·of·calling·net_adm:localhost()·in·the·Erlang·node·where |
| 3918 | this·function·is·called.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Note·that·the·generated·certificates·and·keys·does·not·provide·a·formally | 3918 | this·function·is·called.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Note·that·the·generated·certificates·and·keys·does·not·provide·a·formally |
| 3919 | correct·PKIX-trust-chain·and·they·cannot·be·used·to·achieve·real·security. | 3919 | correct·PKIX-trust-chain·and·they·cannot·be·used·to·achieve·real·security. |
| 3920 | This·function·is·provided·for·testing·purposes·only.</p></section> | 3920 | This·function·is·provided·for·testing·purposes·only.</p></section> |
| 3921 | ··</section> | 3921 | ··</section> |
| 3922 | </section> | 3922 | </section> |
| 3923 | <section·class="detail"·id="pkix_test_root_cert/2"> | 3923 | <section·class="detail"·id="pkix_test_root_cert/2"> |
| Offset 4244, 15 lines modified | Offset 4244, 15 lines modified | ||
| 4244 | ······<p·class="built-using"> | 4244 | ······<p·class="built-using"> |
| 4245 | ········Built·using | 4245 | ········Built·using |
| 4246 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 4246 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 4247 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 4247 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 4248 | ······</p> | 4248 | ······</p> |
| 4249 | <p>Copyright·©·1996-202 | 4249 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 4250 | ····</footer> | 4250 | ····</footer> |
| 4251 | ··</div> | 4251 | ··</div> |
| 4252 | </main> | 4252 | </main> |
| 4253 | </div> | 4253 | </div> |
| 4254 | <script> | 4254 | <script> |
| 4255 | ··function·mermaidLoaded()·{ | 4255 | ··function·mermaidLoaded()·{ |
| 4256 | ····mermaid.initialize({ | 4256 | ····mermaid.initialize({ |
| Offset 221, 15 lines modified | Offset 221, 15 lines modified | ||
| 221 | ······<p·class="built-using"> | 221 | ······<p·class="built-using"> |
| 222 | ········Built·using | 222 | ········Built·using |
| 223 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 223 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 224 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 224 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 225 | ······</p> | 225 | ······</p> |
| 226 | <p>Copyright·©·1996-202 | 226 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 227 | ····</footer> | 227 | ····</footer> |
| 228 | ··</div> | 228 | ··</div> |
| 229 | </main> | 229 | </main> |
| 230 | </div> | 230 | </div> |
| 231 | <script> | 231 | <script> |
| 232 | ··function·mermaidLoaded()·{ | 232 | ··function·mermaidLoaded()·{ |
| 233 | ····mermaid.initialize({ | 233 | ····mermaid.initialize({ |
| Offset 125, 428 lines modified | Offset 125, 428 lines modified | ||
| 125 | ····<span>Public-Key·Records</span> | 125 | ····<span>Public-Key·Records</span> |
| 126 | ··</h1> | 126 | ··</h1> |
| 127 | <p>This·chapter·briefly·describes·Erlang·records·derived·from·ASN.1·specifications | 127 | <p>This·chapter·briefly·describes·Erlang·records·derived·from·ASN.1·specifications |
| 128 | used·to·handle·public·key·infrastructure.·The·scope·is·to·describe·the·data | 128 | used·to·handle·public·key·infrastructure.·The·scope·is·to·describe·the·data |
| 129 | types·of·each·component,·not·the·semantics.·For·information·on·the·semantics, | 129 | types·of·each·component,·not·the·semantics.·For·information·on·the·semantics, |
| 130 | refer·to·the·relevant·standards·and·RFCs·linked·in·the·sections·below.</p><p>Use·the·following·include·directive·to·get·access·to·the·records·and·constant | 130 | refer·to·the·relevant·standards·and·RFCs·linked·in·the·sections·below.</p><p>Use·the·following·include·directive·to·get·access·to·the·records·and·constant |
| 131 | macros·described·in·the·following·sections:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 131 | macros·described·in·the·following·sections:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="8627523200-1">(</span><span·class="s">"public_key/include/public_key.hrl"</span><span·class="p"·data-group-id="8627523200-1">)</span><span·class="p">.</span></code></pre><h2·id="data-types"·class="section-heading"> |
| 132 | ··<a·href="#data-types"·class="hover-link"> | 132 | ··<a·href="#data-types"·class="hover-link"> |
| 133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 134 | ··</a> | 134 | ··</a> |
| 135 | ··<span·class="text">Data·Types</span> | 135 | ··<span·class="text">Data·Types</span> |
| 136 | </h2> | 136 | </h2> |
| 137 | <p>Common·non-standard·Erlang·data·types·used·to·describe·the·record·fields·in·the | 137 | <p>Common·non-standard·Erlang·data·types·used·to·describe·the·record·fields·in·the |
| 138 | following·sections·and·which·are·not·defined·in·the·Public·Key | 138 | following·sections·and·which·are·not·defined·in·the·Public·Key |
| 139 | <a·href="public_key.html">Reference·Manual</a>·follows·here:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">time</span><span·class="p"·data-group-id="8 | 139 | <a·href="public_key.html">Reference·Manual</a>·follows·here:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">time</span><span·class="p"·data-group-id="8242858782-1">(</span><span·class="p"·data-group-id="8242858782-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">utc_time</span><span·class="p"·data-group-id="8242858782-2">(</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·230,·SHA:·e1a044cfaa3af32801f67a5a1fc2ea011fcf29b10f0d4d3277718b31aea70694·...·]-3">)</span><span·class="w"> |
| 140 | </span><span·class="nf">utc_time</span><span·class="p"·data-group-id="8 | 140 | </span><span·class="nf">utc_time</span><span·class="p"·data-group-id="8242858782-4">(</span><span·class="p"·data-group-id="8242858782-4">)</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8242858782-5">{</span><span·class="ss">utcTime</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·112,·SHA:·42decf61ac26b055f11896bd5c798cd5b56c34a0e82a3e56d6ed5ea32db22bcf·...·]-5">}</span><span·class="w"> |
| 141 | </span><span·class="nf">general_time</span><span·class="p"·data-group-id="8 | 141 | </span><span·class="nf">general_time</span><span·class="p"·data-group-id="8242858782-6">(</span><span·class="p"·data-group-id="8242858782-6">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8242858782-7">{</span><span·class="ss">generalTime</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·117,·SHA:·d8de6cfde79cb48071781addf261dd3c13fab072ac32fe57a669d9f7bd3b2f91·...·]-7">}</span><span·class="w"> |
| 142 | </span><span·class="nf">general_name</span><span·class="p"·data-group-id="8 | 142 | </span><span·class="nf">general_name</span><span·class="p"·data-group-id="8242858782-8">(</span><span·class="p"·data-group-id="8242858782-8">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8242858782-9">{</span><span·class="ss">rfc822Name</span><span·class="p">,</span[·...·truncated·by·diffoscope;·len:·204,·SHA:·e254a4fb690f3542969991ab15ca1cd655898b3014d32bdfe72490650bf201fd·...·]-9">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 143 | ·················</span><span·class="p"·data-group-id="8 | 143 | ·················</span><span·class="p"·data-group-id="8242858782-11">{</span><span·class="ss">dNSName</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="8242858782-12">(</span><span·class="p"·data-group-id="8242858782-12">)</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·24,·SHA:·848172d1af0a1ddab291fa419eb8b6b7d9f86543f357e8f0af5688459416c894·...·]-11">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 144 | ·················</span><span·class="p"·data-group-id="8 | 144 | ·················</span><span·class="p"·data-group-id="8242858782-13">{</span><span·class="ss">x400Address</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="8242858782-14">(</span><span·class="p"·data-group-id="8242858782-14">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 145 | ·················</span><span·class="p"·data-group-id="8 | 145 | ·················</span><span·class="p"·data-group-id="8242858782-15">{</span><span·class="ss">directoryName</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8242858782-16">{</span><span·class="ss">rdnSequence</span><span·class="p">,</span><span·class="w">·</span><span·class=[·...·truncated·by·diffoscope;·len:·378,·SHA:·4cbb73266ba628b40be48e289d06b9b338095b902049111ee7505eb94f84649d·...·]-15">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 146 | ·················</span><span·class="p"·data-group-id="8 | 146 | ·················</span><span·class="p"·data-group-id="8242858782-19">{</span><span·class="ss">ediPartyName</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">special_string</span><span·class="p"·data-group-id="8242858782-20">(</span><span·class="p"·data-group-id="8242858782-20">)</span><spa[·...·truncated·by·diffoscope;·len:·37,·SHA:·212dcdb381841b283b213a98efdc5c72cb11e63d60e30b762eaf43b0205ab8f9·...·]-19">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 147 | ·················</span><span·class="p"·data-group-id="8 | 147 | ·················</span><span·class="p"·data-group-id="8242858782-21">{</span><span·class="ss">ediPartyName</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">special_string</span><span·class="p"·data-group-id="8242858782-22">(</span><span·class="p"·data-group-id="8242858782-22">)</span><spa[·...·truncated·by·diffoscope;·len:·231,·SHA:·756ba3cc3516aba334132eb24c30f1f5e2fcf557f43093bdbdf55773948c5fa9·...·]-21">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 148 | ·················</span><span·class="p"·data-group-id="8 | 148 | ·················</span><span·class="p"·data-group-id="8242858782-24">{</span><span·class="ss">uniformResourceIdentifier</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="8242858782-25">(</span><span·class="p"·data-group-id="8242858782-25">)</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·0871cd1ff944dae780d4cce26b2c5a203461a89786c8fab74f4fa370969b06be·...·]-24">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 149 | ·················</span><span·class="p"·data-group-id="8 | 149 | ·················</span><span·class="p"·data-group-id="8242858782-26">{</span><span·class="ss">iPAddress</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="8242858782-27">(</span><span·class="p"·data-group-id="8242858782-27">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·26,·SHA:·1f2dc2e0d938c3958af4da6ac89152e14a1fd02498304d8d9f899f08d2278479·...·]-26">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 150 | ·················</span><span·class="p"·data-group-id="8 | 150 | ·················</span><span·class="p"·data-group-id="8242858782-28">{</span><span·class="ss">registeredId</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">oid</span><span·class="p"·data-group-id="8242858782-29">(</span><span·class="p"·data-group-id="8242858782-29">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·26,·SHA:·1f2dc2e0d938c3958af4da6ac89152e14a1fd02498304d8d9f899f08d2278479·...·]-28">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 151 | ·················</span><span·class="p"·data-group-id="8 | 151 | ·················</span><span·class="p"·data-group-id="8242858782-30">{</span><span·class="ss">otherName</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="8242858782-31">(</span><span·class="p"·data-group-id="8242858782-31">)</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·24,·SHA:·848172d1af0a1ddab291fa419eb8b6b7d9f86543f357e8f0af5688459416c894·...·]-30">}</span><span·class="w"> |
| 152 | </span><span·class="nf">special_string</span><span·class="p"·data-group-id="8 | 152 | </span><span·class="nf">special_string</span><span·class="p"·data-group-id="8242858782-32">(</span><span·class="p"·data-group-id="8242858782-32">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8242858782-33">{</span><span·class="ss">teletexString</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·210,·SHA:·dd4787c1d5c4b4ac0df0e036ea503163722912b5aa3dd23ec240b806a2d20b0d·...·]-33">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 153 | · | 153 | · |
| 154 | ···················</span><span·class="p"·data-group-id="8 | 154 | ···················</span><span·class="p"·data-group-id="8242858782-35">{</span><span·class="ss">printableString</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="8242858782-36">(</span><span·class="p"·data-group-id="8242858782-36">)</span><span·cla[·...·truncated·by·diffoscope;·len:·32,·SHA:·fee0b567664932f8b67cd7c488194dbb45f35c51eded2999ab12e42a021876e8·...·]-35">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 155 | ···················</span><span·class="p"·data-group-id="8 | 155 | ···················</span><span·class="p"·data-group-id="8242858782-37">{</span><span·class="ss">universalString</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="8242858782-38">(</span><span·class="p"·data-group-id="8242858782-38">)</span><span·cla[·...·truncated·by·diffoscope;·len:·32,·SHA:·fee0b567664932f8b67cd7c488194dbb45f35c51eded2999ab12e42a021876e8·...·]-37">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 156 | ···················</span><span·class="p"·data-group-id="8 | 156 | ···················</span><span·class="p"·data-group-id="8242858782-39">{</span><span·class="ss">utf8String</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id="8242858782-40">(</span><span·class="p"·data-group-id="8242858782-40">)</span><span·class="p[·...·truncated·by·diffoscope;·len:·27,·SHA:·540d229cdfd209da09fd1080fde2fb86c21b813cf54c1b67b0c3c5d9c39eeed3·...·]-39">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 157 | ···················</span><span·class="p"·data-group-id="8 | 157 | ···················</span><span·class="p"·data-group-id="8242858782-41">{</span><span·class="ss">bmpString</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="8242858782-42">(</span><span·class="p"·data-group-id="8242858782-42">)</span><span·class="p"[·...·truncated·by·diffoscope;·len:·26,·SHA:·1f2dc2e0d938c3958af4da6ac89152e14a1fd02498304d8d9f899f08d2278479·...·]-41">}</span><span·class="w"> |
| 158 | </span><span·class="nf">dist_reason</span><span·class="p"·data-group-id="8 | 158 | </span><span·class="nf">dist_reason</span><span·class="p"·data-group-id="8242858782-43">(</span><span·class="p"·data-group-id="8242858782-43">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">unused</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">keyCompromise</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">cACompromise</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">affiliationChanged</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 159 | ················</span><span·class="ss">cessationOfOperation</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">certificateHold</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">privilegeWithdrawn</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">aACompromise</span><span·class="w"> | 159 | ················</span><span·class="ss">cessationOfOperation</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">certificateHold</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">privilegeWithdrawn</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">aACompromise</span><span·class="w"> |
| 160 | </span><span·class="n">OID_macro</span><span·class="p"·data-group-id="8 | 160 | </span><span·class="n">OID_macro</span><span·class="p"·data-group-id="8242858782-44">(</span><span·class="p"·data-group-id="8242858782-44">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">OID_name</span><span·class="p"·data-group-id="8242858782-45">(</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·0871cd1ff944dae780d4cce26b2c5a203461a89786c8fab74f4fa370969b06be·...·]-45">)</span><span·class="w"> |
| 161 | </span><span·class="n">OID_name</span><span·class="p"·data-group-id="8 | 161 | </span><span·class="n">OID_name</span><span·class="p"·data-group-id="8242858782-46">(</span><span·class="p"·data-group-id="8242858782-46">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="8242858782-47">(</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·52ec9d3e8be7a7e52608d5baa3fc4230685a23adf12835f50d1235b3dac55bfe·...·]-47">)</span></code></pre><h2·id="rsa"·class="section-heading"> |
| 162 | ··<a·href="#rsa"·class="hover-link"> | 162 | ··<a·href="#rsa"·class="hover-link"> |
| 163 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 163 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 164 | ··</a> | 164 | ··</a> |
| 165 | ··<span·class="text">RSA</span> | 165 | ··<span·class="text">RSA</span> |
| 166 | </h2> | 166 | </h2> |
| 167 | <p>Erlang·representation·of | 167 | <p>Erlang·representation·of |
| 168 | <a·href="http://www.ietf.org/rfc/rfc3447.txt">Rivest-Shamir-Adleman·cryptosystem·(RSA)</a> | 168 | <a·href="http://www.ietf.org/rfc/rfc3447.txt">Rivest-Shamir-Adleman·cryptosystem·(RSA)</a> |
| 169 | keys·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">'RSAPublicKey'</span><span·class="p"·data-group-id=" | 169 | keys·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">'RSAPublicKey'</span><span·class="p"·data-group-id="9927544121-1">{</span><span·class="w"> |
| 170 | ···</span><span·class="ss">modulus</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 170 | ···</span><span·class="ss">modulus</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 171 | ···</span><span·class="ss">publicExponent</span><span·class="w">·</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 171 | ···</span><span·class="ss">publicExponent</span><span·class="w">·</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 172 | ··</span><span·class="p"·data-group-id=" | 172 | ··</span><span·class="p"·data-group-id="9927544121-1">}</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="o">#</span><span·class="ss">'RSAPrivateKey'</span><span·class="p"·data-group-id=" | 173 | </span><span·class="o">#</span><span·class="ss">'RSAPrivateKey'</span><span·class="p"·data-group-id="9927544121-2">{</span><span·class="w"> |
| 174 | ···</span><span·class="ss">version</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·two-prime·|·multi</span><span·class="w"> | 174 | ···</span><span·class="ss">version</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·two-prime·|·multi</span><span·class="w"> |
| 175 | ···</span><span·class="ss">modulus</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 175 | ···</span><span·class="ss">modulus</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 176 | ···</span><span·class="ss">publicExponent</span><span·class="p">,</span><span·class="w">··</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 176 | ···</span><span·class="ss">publicExponent</span><span·class="p">,</span><span·class="w">··</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 177 | ···</span><span·class="ss">privateExponent</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 177 | ···</span><span·class="ss">privateExponent</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 178 | ···</span><span·class="ss">prime1</span><span·class="p">,</span><span·class="w">··········</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 178 | ···</span><span·class="ss">prime1</span><span·class="p">,</span><span·class="w">··········</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 179 | ···</span><span·class="ss">prime2</span><span·class="p">,</span><span·class="w">··········</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 179 | ···</span><span·class="ss">prime2</span><span·class="p">,</span><span·class="w">··········</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 180 | ···</span><span·class="ss">exponent1</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 180 | ···</span><span·class="ss">exponent1</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 181 | ···</span><span·class="ss">exponent2</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 181 | ···</span><span·class="ss">exponent2</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 182 | ···</span><span·class="ss">coefficient</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 182 | ···</span><span·class="ss">coefficient</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 183 | ···</span><span·class="ss">otherPrimeInfos</span><span·class="w">··</span><span·class="c1">%·[#OtherPrimeInfo{}]·|·asn1_NOVALUE</span><span·class="w"> | 183 | ···</span><span·class="ss">otherPrimeInfos</span><span·class="w">··</span><span·class="c1">%·[#OtherPrimeInfo{}]·|·asn1_NOVALUE</span><span·class="w"> |
| 184 | ··</span><span·class="p"·data-group-id=" | 184 | ··</span><span·class="p"·data-group-id="9927544121-2">}</span><span·class="p">.</span><span·class="w"> |
| 185 | </span><span·class="o">#</span><span·class="ss">'OtherPrimeInfo'</span><span·class="p"·data-group-id=" | 185 | </span><span·class="o">#</span><span·class="ss">'OtherPrimeInfo'</span><span·class="p"·data-group-id="9927544121-3">{</span><span·class="w"> |
| 186 | ···</span><span·class="ss">prime</span><span·class="p">,</span><span·class="w">···········</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 186 | ···</span><span·class="ss">prime</span><span·class="p">,</span><span·class="w">···········</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 187 | ···</span><span·class="ss">exponent</span><span·class="p">,</span><span·class="w">········</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 187 | ···</span><span·class="ss">exponent</span><span·class="p">,</span><span·class="w">········</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 188 | ···</span><span·class="ss">coefficient</span><span·class="w">······</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 188 | ···</span><span·class="ss">coefficient</span><span·class="w">······</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 189 | ··</span><span·class="p"·data-group-id=" | 189 | ··</span><span·class="p"·data-group-id="9927544121-3">}</span><span·class="p">.</span><span·class="w"> |
| 190 | </span><span·class="o">#</span><span·class="ss">'RSASSA-PSS-params'</span><span·class="p"·data-group-id=" | 190 | </span><span·class="o">#</span><span·class="ss">'RSASSA-PSS-params'</span><span·class="p"·data-group-id="9927544121-4">{</span><span·class="w"> |
| 191 | ···</span><span·class="ss">hashAlgorithm</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%·#'HashAlgorithm'{}},</span><span·class="w"> | 191 | ···</span><span·class="ss">hashAlgorithm</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%·#'HashAlgorithm'{}},</span><span·class="w"> |
| 192 | ···</span><span·class="ss">maskGenAlgorithm</span><span·class="p">,</span><span·class="w">··</span><span·class="c1">%·#'MaskGenAlgorithm'{}},</span><span·class="w"> | 192 | ···</span><span·class="ss">maskGenAlgorithm</span><span·class="p">,</span><span·class="w">··</span><span·class="c1">%·#'MaskGenAlgorithm'{}},</span><span·class="w"> |
| 193 | ···</span><span·class="ss">saltLength</span><span·class="p">,</span><span·class="w">········</span><span·class="c1">%·pos_integer(),</span><span·class="w"> | 193 | ···</span><span·class="ss">saltLength</span><span·class="p">,</span><span·class="w">········</span><span·class="c1">%·pos_integer(),</span><span·class="w"> |
| 194 | ···</span><span·class="ss">trailerField</span><span·class="p">,</span><span·class="w">······</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 194 | ···</span><span·class="ss">trailerField</span><span·class="p">,</span><span·class="w">······</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 195 | ··</span><span·class="p"·data-group-id=" | 195 | ··</span><span·class="p"·data-group-id="9927544121-4">}</span><span·class="p">.</span><span·class="w"> |
| 196 | </span><span·class="o">#</span><span·class="ss">'HashAlgorithm'</span><span·class="p"·data-group-id=" | 196 | </span><span·class="o">#</span><span·class="ss">'HashAlgorithm'</span><span·class="p"·data-group-id="9927544121-5">{</span><span·class="w"> |
| 197 | ···</span><span·class="ss">algorithm</span><span·class="p">,</span><span·class="w">··</span><span·class="c1">%·oid()</span><span·class="w"> | 197 | ···</span><span·class="ss">algorithm</span><span·class="p">,</span><span·class="w">··</span><span·class="c1">%·oid()</span><span·class="w"> |
| 198 | ···</span><span·class="ss">parameters</span><span·class="w">··</span><span·class="c1">%·defaults·to·asn1_NOVALUE</span><span·class="w"> | 198 | ···</span><span·class="ss">parameters</span><span·class="w">··</span><span·class="c1">%·defaults·to·asn1_NOVALUE</span><span·class="w"> |
| 199 | ··</span><span·class="p"·data-group-id=" | 199 | ··</span><span·class="p"·data-group-id="9927544121-5">}</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="o">#</span><span·class="ss">'MaskGenAlgorithm'</span><span·class="p"·data-group-id=" | 200 | </span><span·class="o">#</span><span·class="ss">'MaskGenAlgorithm'</span><span·class="p"·data-group-id="9927544121-6">{</span><span·class="w"> |
| 201 | ···</span><span·class="ss">algorithm</span><span·class="p">,</span><span·class="w">··</span><span·class="c1">%·oid()</span><span·class="w"> | 201 | ···</span><span·class="ss">algorithm</span><span·class="p">,</span><span·class="w">··</span><span·class="c1">%·oid()</span><span·class="w"> |
| 202 | ···</span><span·class="ss">parameters</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·defaults·to·asn1_NOVALUE</span><span·class="w"> | 202 | ···</span><span·class="ss">parameters</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·defaults·to·asn1_NOVALUE</span><span·class="w"> |
| 203 | ··</span><span·class="p"·data-group-id=" | 203 | ··</span><span·class="p"·data-group-id="9927544121-6">}</span><span·class="p">.</span></code></pre><h2·id="dsa"·class="section-heading"> |
| 204 | ··<a·href="#dsa"·class="hover-link"> | 204 | ··<a·href="#dsa"·class="hover-link"> |
| 205 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 205 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 206 | ··</a> | 206 | ··</a> |
| 207 | ··<span·class="text">DSA</span> | 207 | ··<span·class="text">DSA</span> |
| 208 | </h2> | 208 | </h2> |
| 209 | <p>Erlang·representation·of | 209 | <p>Erlang·representation·of |
| 210 | <a·href="http://www.ietf.org/rfc/rfc6979.txt">Digital·Signature·Algorithm·(DSA)</a>·keys</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">'DSAPrivateKey'</span><span·class="p"·data-group-id=" | 210 | <a·href="http://www.ietf.org/rfc/rfc6979.txt">Digital·Signature·Algorithm·(DSA)</a>·keys</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">'DSAPrivateKey'</span><span·class="p"·data-group-id="6730627250-1">{</span><span·class="w"> |
| 211 | ···</span><span·class="ss">version</span><span·class="p">,</span><span·class="w">······</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 211 | ···</span><span·class="ss">version</span><span·class="p">,</span><span·class="w">······</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 212 | ···</span><span·class="ss">p</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 212 | ···</span><span·class="ss">p</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 213 | ···</span><span·class="ss">q</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 213 | ···</span><span·class="ss">q</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 214 | ···</span><span·class="ss">g</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 214 | ···</span><span·class="ss">g</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 215 | ···</span><span·class="ss">y</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 215 | ···</span><span·class="ss">y</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 216 | ···</span><span·class="ss">x</span><span·class="w">·············</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 216 | ···</span><span·class="ss">x</span><span·class="w">·············</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 217 | ··</span><span·class="p"·data-group-id=" | 217 | ··</span><span·class="p"·data-group-id="6730627250-1">}</span><span·class="p">.</span><span·class="w"> |
| 218 | </span><span·class="o">#</span><span·class="ss">'Dss-Parms'</span><span·class="p"·data-group-id=" | 218 | </span><span·class="o">#</span><span·class="ss">'Dss-Parms'</span><span·class="p"·data-group-id="6730627250-2">{</span><span·class="w"> |
| 219 | ···</span><span·class="ss">p</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 219 | ···</span><span·class="ss">p</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 220 | ···</span><span·class="ss">q</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 220 | ···</span><span·class="ss">q</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 221 | ···</span><span·class="ss">g</span><span·class="w">··········</span><span·class="c1">%·pos_integer()</span><span·class="w"> | 221 | ···</span><span·class="ss">g</span><span·class="w">··········</span><span·class="c1">%·pos_integer()</span><span·class="w"> |
| 222 | ··</span><span·class="p"·data-group-id=" | 222 | ··</span><span·class="p"·data-group-id="6730627250-2">}</span><span·class="p">.</span></code></pre><h2·id="ecdsa-and-eddsa"·class="section-heading"> |
| 223 | ··<a·href="#ecdsa-and-eddsa"·class="hover-link"> | 223 | ··<a·href="#ecdsa-and-eddsa"·class="hover-link"> |
| 224 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 224 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 225 | ··</a> | 225 | ··</a> |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 181 | ······<p·class="built-using"> | 181 | ······<p·class="built-using"> |
| 182 | ········Built·using | 182 | ········Built·using |
| 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 185 | ······</p> | 185 | ······</p> |
| 186 | <p>Copyright·©·1996-202 | 186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 187 | ····</footer> | 187 | ····</footer> |
| 188 | ··</div> | 188 | ··</div> |
| 189 | </main> | 189 | </main> |
| 190 | </div> | 190 | </div> |
| 191 | <script> | 191 | <script> |
| 192 | ··function·mermaidLoaded()·{ | 192 | ··function·mermaidLoaded()·{ |
| 193 | ····mermaid.initialize({ | 193 | ····mermaid.initialize({ |
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| 778 | ······<p·class="built-using"> | 778 | ······<p·class="built-using"> |
| 779 | ········Built·using | 779 | ········Built·using |
| 780 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 780 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 781 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 781 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 782 | ······</p> | 782 | ······</p> |
| 783 | <p>Copyright·©·1996-202 | 783 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 784 | ····</footer> | 784 | ····</footer> |
| 785 | ··</div> | 785 | ··</div> |
| 786 | </main> | 786 | </main> |
| 787 | </div> | 787 | </div> |
| 788 | <script> | 788 | <script> |
| 789 | ··function·mermaidLoaded()·{ | 789 | ··function·mermaidLoaded()·{ |
| 790 | ····mermaid.initialize({ | 790 | ····mermaid.initialize({ |
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| 2747 | ······<p·class="built-using"> | 2747 | ······<p·class="built-using"> |
| 2748 | ········Built·using | 2748 | ········Built·using |
| 2749 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2749 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2750 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2750 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2751 | ······</p> | 2751 | ······</p> |
| 2752 | <p>Copyright·©·1996-202 | 2752 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2753 | ····</footer> | 2753 | ····</footer> |
| 2754 | ··</div> | 2754 | ··</div> |
| 2755 | </main> | 2755 | </main> |
| 2756 | </div> | 2756 | </div> |
| 2757 | <script> | 2757 | <script> |
| 2758 | ··function·mermaidLoaded()·{ | 2758 | ··function·mermaidLoaded()·{ |
| 2759 | ····mermaid.initialize({ | 2759 | ····mermaid.initialize({ |
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| 209 | ········Built·using | 209 | ········Built·using |
| 210 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 210 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 211 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 211 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 212 | ······</p> | 212 | ······</p> |
| 213 | <p>Copyright·©·1996-202 | 213 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 214 | ····</footer> | 214 | ····</footer> |
| 215 | ··</div> | 215 | ··</div> |
| 216 | </main> | 216 | </main> |
| 217 | </div> | 217 | </div> |
| 218 | <script> | 218 | <script> |
| 219 | ··function·mermaidLoaded()·{ | 219 | ··function·mermaidLoaded()·{ |
| 220 | ····mermaid.initialize({ | 220 | ····mermaid.initialize({ |
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| 378 | ······<p·class="built-using"> | 378 | ······<p·class="built-using"> |
| 379 | ········Built·using | 379 | ········Built·using |
| 380 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 380 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 381 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 381 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 382 | ······</p> | 382 | ······</p> |
| 383 | <p>Copyright·©·1996-202 | 383 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 384 | ····</footer> | 384 | ····</footer> |
| 385 | ··</div> | 385 | ··</div> |
| 386 | </main> | 386 | </main> |
| 387 | </div> | 387 | </div> |
| 388 | <script> | 388 | <script> |
| 389 | ··function·mermaidLoaded()·{ | 389 | ··function·mermaidLoaded()·{ |
| 390 | ····mermaid.initialize({ | 390 | ····mermaid.initialize({ |
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| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 226, 15 lines modified | Offset 226, 15 lines modified | ||
| 226 | ······<p·class="built-using"> | 226 | ······<p·class="built-using"> |
| 227 | ········Built·using | 227 | ········Built·using |
| 228 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 228 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 229 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 229 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 230 | ······</p> | 230 | ······</p> |
| 231 | <p>Copyright·©·1996-202 | 231 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 232 | ····</footer> | 232 | ····</footer> |
| 233 | ··</div> | 233 | ··</div> |
| 234 | </main> | 234 | </main> |
| 235 | </div> | 235 | </div> |
| 236 | <script> | 236 | <script> |
| 237 | ··function·mermaidLoaded()·{ | 237 | ··function·mermaidLoaded()·{ |
| 238 | ····mermaid.initialize({ | 238 | ····mermaid.initialize({ |
| Offset 217, 15 lines modified | Offset 217, 15 lines modified | ||
| 217 | ······<p·class="built-using"> | 217 | ······<p·class="built-using"> |
| 218 | ········Built·using | 218 | ········Built·using |
| 219 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 219 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 220 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 220 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 221 | ······</p> | 221 | ······</p> |
| 222 | <p>Copyright·©·1996-202 | 222 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 223 | ····</footer> | 223 | ····</footer> |
| 224 | ··</div> | 224 | ··</div> |
| 225 | </main> | 225 | </main> |
| 226 | </div> | 226 | </div> |
| 227 | <script> | 227 | <script> |
| 228 | ··function·mermaidLoaded()·{ | 228 | ··function·mermaidLoaded()·{ |
| 229 | ····mermaid.initialize({ | 229 | ····mermaid.initialize({ |
| Offset 825, 22 lines modified | Offset 825, 22 lines modified | ||
| 825 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·restore_tag(true·|·{<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(),·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()·|·[]})·->·true.</pre> | 825 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·restore_tag(true·|·{<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(),·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()·|·[]})·->·true.</pre> |
| 826 | ······</div> | 826 | ······</div> |
| 827 | <p>Restores·the·previous·state·of·user·tags·and·their·spreading·as·it·was·before·a | 827 | <p>Restores·the·previous·state·of·user·tags·and·their·spreading·as·it·was·before·a |
| 828 | call·to·<a·href="#spread_tag/1"><code·class="inline">spread_tag/1</code></a>.</p><p>Note·that·the·restoring·is·not·limited·to·the·same·process;·one·can | 828 | call·to·<a·href="#spread_tag/1"><code·class="inline">spread_tag/1</code></a>.</p><p>Note·that·the·restoring·is·not·limited·to·the·same·process;·one·can |
| 829 | utilize·this·to·turn·off·spreding·in·one·process·and·restore·it·in·a | 829 | utilize·this·to·turn·off·spreding·in·one·process·and·restore·it·in·a |
| 830 | newly·created·process·that·is·is·actually·going·to·send·messages:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id=" | 830 | newly·created·process·that·is·is·actually·going·to·send·messages:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id="7494811561-1">(</span><span·class="p"·data-group-id="7494811561-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 831 | ····</span><span·class="n">TagData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">spread_tag</span><span·class="p"·data-group-id=" | 831 | ····</span><span·class="n">TagData</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">spread_tag</span><span·class="p"·data-group-id="7494811561-2">(</span><span·class="ss">false</span><span·class="p"·data-group-id="7494811561-2">)</span><span·class="p">,</span><span·class="w"> |
| 832 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 832 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="7494811561-3">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="7494811561-4">(</span><span·class="p"·data-group-id="7494811561-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 833 | ·············</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">restore_tag</span><span·class="p"·data-group-id=" | 833 | ·············</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">restore_tag</span><span·class="p"·data-group-id="7494811561-5">(</span><span·class="n">TagData</span><span·class="p"·data-group-id="7494811561-5">)</span><span·class="p">,</span><span·class="w"> |
| 834 | ·············</span><span·class="nf">do_something</span><span·class="p"·data-group-id=" | 834 | ·············</span><span·class="nf">do_something</span><span·class="p"·data-group-id="7494811561-6">(</span><span·class="p"·data-group-id="7494811561-6">)</span><span·class="w"> |
| 835 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id=" | 835 | ··········</span><span·class="k">end</span><span·class="p"·data-group-id="7494811561-3">)</span><span·class="p">,</span><span·class="w"> |
| 836 | ····</span><span·class="nf">do_something_else</span><span·class="p"·data-group-id=" | 836 | ····</span><span·class="nf">do_something_else</span><span·class="p"·data-group-id="7494811561-7">(</span><span·class="p"·data-group-id="7494811561-7">)</span><span·class="p">,</span><span·class="w"> |
| 837 | ····</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">restore_tag</span><span·class="p"·data-group-id=" | 837 | ····</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">restore_tag</span><span·class="p"·data-group-id="7494811561-8">(</span><span·class="n">TagData</span><span·class="p"·data-group-id="7494811561-8">)</span><span·class="p">.</span></code></pre><p>Correctly·handling·user·tags·and·their·spreading·might·take·some·effort,·as |
| 838 | Erlang·programs·tend·to·send·and·receive·messages·so·that·sometimes·the·user·tag | 838 | Erlang·programs·tend·to·send·and·receive·messages·so·that·sometimes·the·user·tag |
| 839 | gets·lost·due·to·various·things,·like·double·receives·or·communication·with·a | 839 | gets·lost·due·to·various·things,·like·double·receives·or·communication·with·a |
| 840 | port·(ports·do·not·handle·user·tags,·in·the·same·way·as·they·do·not·handle | 840 | port·(ports·do·not·handle·user·tags,·in·the·same·way·as·they·do·not·handle |
| 841 | regular·sequential·trace·tokens).</p> | 841 | regular·sequential·trace·tokens).</p> |
| 842 | ··</section> | 842 | ··</section> |
| 843 | </section> | 843 | </section> |
| 844 | <section·class="detail"·id="spread_tag/1"> | 844 | <section·class="detail"·id="spread_tag/1"> |
| Offset 877, 20 lines modified | Offset 877, 20 lines modified | ||
| 877 | <a·href="#restore_tag/1"><code·class="inline">restore_tag/1</code></a>,·one·can·enable·or·disable·spreading·of·user | 877 | <a·href="#restore_tag/1"><code·class="inline">restore_tag/1</code></a>,·one·can·enable·or·disable·spreading·of·user |
| 878 | tags·to·other·processes·and·then·restore·the·previous·state·of·the·user·tag.·The | 878 | tags·to·other·processes·and·then·restore·the·previous·state·of·the·user·tag.·The |
| 879 | TagData·returned·from·this·call·contains·all·previous·information·so·the·state | 879 | TagData·returned·from·this·call·contains·all·previous·information·so·the·state |
| 880 | (including·any·previously·spread·user·tags)·will·be·completely·restored·by·a | 880 | (including·any·previously·spread·user·tags)·will·be·completely·restored·by·a |
| 881 | later·call·to·<a·href="#restore_tag/1"><code·class="inline">restore_tag/1</code></a>.</p><p>The·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html"><code·class="inline">file</code></a>·module·already·spreads·tags,·so·there·is·no·need·to·manually·call | 881 | later·call·to·<a·href="#restore_tag/1"><code·class="inline">restore_tag/1</code></a>.</p><p>The·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html"><code·class="inline">file</code></a>·module·already·spreads·tags,·so·there·is·no·need·to·manually·call |
| 882 | this·function·to·get·user·tags·spread·to·the·<code·class="inline">efile</code>·driver·through·that·module.</p><p>The·most·use·of·this·function·would·be·if·one,·for·example,·uses·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html"><code·class="inline">io</code></a>·module | 882 | this·function·to·get·user·tags·spread·to·the·<code·class="inline">efile</code>·driver·through·that·module.</p><p>The·most·use·of·this·function·would·be·if·one,·for·example,·uses·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html"><code·class="inline">io</code></a>·module |
| 883 | to·communicate·with·an·I/O-server·for·a·regular·file,·such·as·in·the·following | 883 | to·communicate·with·an·I/O-server·for·a·regular·file,·such·as·in·the·following |
| 884 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id=" | 884 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">f</span><span·class="p"·data-group-id="4071773224-1">(</span><span·class="p"·data-group-id="4071773224-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 885 | ···</span><span·class="p"·data-group-id=" | 885 | ···</span><span·class="p"·data-group-id="4071773224-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">F</span><span·class="p"·data-group-id="4071773224-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·389,·SHA:·6b176cedf79f1d8f5e44b6aae711d6f1179033c0e2254022ca6c2c4f08d66fb6·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 886 | ···</span><span·class="n">Saved</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">spread_tag</span><span·class="p"·data-group-id=" | 886 | ···</span><span·class="n">Saved</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">spread_tag</span><span·class="p"·data-group-id="4071773224-5">(</span><span·class="ss">true</span><span·class="p"·data-group-id="4071773224-5">)</span><span·class="p">,</span><span·class="w"> |
| 887 | ···</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 887 | ···</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="4071773224-6">(</span><span·class="n">F</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Hello·world!"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4071773224-7">[</span><span·class="p[·...·truncated·by·diffoscope;·len:·80,·SHA:·745aa7762f4e9b10dfa8c4c5c94da7904c055a9e216f99a80e51faba8cf98b0c·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 888 | ···</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">restore_tag</span><span·class="p"·data-group-id=" | 888 | ···</span><span·class="nc">dyntrace</span><span·class="p">:</span><span·class="nf">restore_tag</span><span·class="p"·data-group-id="4071773224-8">(</span><span·class="n">Saved</span><span·class="p"·data-group-id="4071773224-8">)</span><span·class="p">,</span><span·class="w"> |
| 889 | ···</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 889 | ···</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="4071773224-9">(</span><span·class="n">F</span><span·class="p"·data-group-id="4071773224-9">)</span><span·class="p">.</span></code></pre><p>In·this·example,·any·user·tag·set·in·the·calling·process·will·be·spread·to·the |
| 890 | I/O-server·when·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#format/3"><code·class="inline">io:format/3</code></a>·call·is·done.</p> | 890 | I/O-server·when·the·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#format/3"><code·class="inline">io:format/3</code></a>·call·is·done.</p> |
| 891 | ··</section> | 891 | ··</section> |
| 892 | </section> | 892 | </section> |
| 893 | ····</div> | 893 | ····</div> |
| 894 | ··</section> | 894 | ··</section> |
| Offset 912, 15 lines modified | Offset 912, 15 lines modified | ||
| 912 | ······<p·class="built-using"> | 912 | ······<p·class="built-using"> |
| 913 | ········Built·using | 913 | ········Built·using |
| 914 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 914 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 915 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 915 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 916 | ······</p> | 916 | ······</p> |
| 917 | <p>Copyright·©·1996-202 | 917 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 918 | ····</footer> | 918 | ····</footer> |
| 919 | ··</div> | 919 | ··</div> |
| 920 | </main> | 920 | </main> |
| 921 | </div> | 921 | </div> |
| 922 | <script> | 922 | <script> |
| 923 | ··function·mermaidLoaded()·{ | 923 | ··function·mermaidLoaded()·{ |
| 924 | ····mermaid.initialize({ | 924 | ····mermaid.initialize({ |
| Offset 345, 16 lines modified | Offset 345, 16 lines modified | ||
| 345 | ······</div> | 345 | ······</div> |
| 346 | <p>A·histogram·of·block·sizes·where·each·interval's·upper·bound·is·twice·as·high·as | 346 | <p>A·histogram·of·block·sizes·where·each·interval's·upper·bound·is·twice·as·high·as |
| 347 | the·one·before·it.</p><p>The·upper·bound·of·the·first·interval·is·provided·by·the·function·that·returned | 347 | the·one·before·it.</p><p>The·upper·bound·of·the·first·interval·is·provided·by·the·function·that·returned |
| 348 | the·histogram,·and·the·last·interval·has·no·upper·bound.</p><p>For·example,·the·histogram·below·has·40·(<code·class="inline">message</code>)·blocks·between·128-256·bytes | 348 | the·histogram,·and·the·last·interval·has·no·upper·bound.</p><p>For·example,·the·histogram·below·has·40·(<code·class="inline">message</code>)·blocks·between·128-256·bytes |
| 349 | in·size,·78·blocks·between·256-512·bytes,2·blocks·between·512-1024·bytes,·and·2 | 349 | in·size,·78·blocks·between·256-512·bytes,2·blocks·between·512-1024·bytes,·and·2 |
| 350 | blocks·between·1-2KB.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">instrument</span><span·class="p">:</span><span·class="nf">allocations</span><span·class="p"·data-group-id=" | 350 | blocks·between·1-2KB.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">instrument</span><span·class="p">:</span><span·class="nf">allocations</span><span·class="p"·data-group-id="4662100935-1">(</span><span·class="p"·data-group-id="4662100935-2">#{</span><span·class="w">·</span><span·class="ss">histogram_start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">128</span><span·class="p[·...·truncated·by·diffoscope;·len:·293,·SHA:·240d270a4742e51cedba967eda97e4376802d741c7ebc861089b27e311a2632b·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 351 | </span><span·class="p"·data-group-id=" | 351 | </span><span·class="p"·data-group-id="4662100935-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4662100935-4">{</span><span·class="mi">128</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·c[·...·truncated·by·diffoscope;·len:·1360,·SHA:·a1a0f7e5757bfbae6edb3636619f27cd01c68a33e0817eb1c51dafefed6c9850·...·]-3">}</span></code></pre> |
| 352 | ··</section> | 352 | ··</section> |
| 353 | </section> | 353 | </section> |
| 354 | <section·class="detail"·id="t:carrier_info_list/0"> | 354 | <section·class="detail"·id="t:carrier_info_list/0"> |
| 355 | ··<div·class="detail-header"> | 355 | ··<div·class="detail-header"> |
| 356 | ····<a·href="#t:carrier_info_list/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> | 356 | ····<a·href="#t:carrier_info_list/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> |
| 357 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 357 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 480, 38 lines modified | Offset 480, 38 lines modified | ||
| 480 | to·an·allocator·of·a·different·type.</p><p>Defaults·to·all·<code·class="inline">alloc_util</code>·allocators.</p></li><li><p><strong><code·class="inline">scheduler_ids</code></strong>·-·The·scheduler·ids·whose·allocator·instances·will·be | 480 | to·an·allocator·of·a·different·type.</p><p>Defaults·to·all·<code·class="inline">alloc_util</code>·allocators.</p></li><li><p><strong><code·class="inline">scheduler_ids</code></strong>·-·The·scheduler·ids·whose·allocator·instances·will·be |
| 481 | searched.·A·scheduler·id·of·0·will·refer·to·the·global·instance·that·is·not | 481 | searched.·A·scheduler·id·of·0·will·refer·to·the·global·instance·that·is·not |
| 482 | tied·to·any·particular·scheduler.·Defaults·to·all·schedulers·and·the·global | 482 | tied·to·any·particular·scheduler.·Defaults·to·all·schedulers·and·the·global |
| 483 | instance.</p></li><li><p><strong><code·class="inline">histogram_start</code></strong>·-·The·upper·bound·of·the·first·interval·in·the·allocated | 483 | instance.</p></li><li><p><strong><code·class="inline">histogram_start</code></strong>·-·The·upper·bound·of·the·first·interval·in·the·allocated |
| 484 | block·size·histograms.·Defaults·to·128.</p></li><li><p><strong><code·class="inline">histogram_width</code></strong>·-·The·number·of·intervals·in·the·allocated·block·size | 484 | block·size·histograms.·Defaults·to·128.</p></li><li><p><strong><code·class="inline">histogram_width</code></strong>·-·The·number·of·intervals·in·the·allocated·block·size |
| 485 | histograms.·Defaults·to·18.</p></li><li><p><strong><code·class="inline">flags</code></strong>·-·Controls·how·to·group·the·output,·for·example·showing | 485 | histograms.·Defaults·to·18.</p></li><li><p><strong><code·class="inline">flags</code></strong>·-·Controls·how·to·group·the·output,·for·example·showing |
| 486 | allocations·on·a·per-process·basis·(when·possible)·rather·than·only·a | 486 | allocations·on·a·per-process·basis·(when·possible)·rather·than·only·a |
| 487 | NIF/driver-basis.·Defaults·to·<code·class="inline">[]</code>.</p></li></ul><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">instrument</span><span·class="p">:</span><span·class="nf">allocations</span><span·class="p"·data-group-id=" | 487 | NIF/driver-basis.·Defaults·to·<code·class="inline">[]</code>.</p></li></ul><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">instrument</span><span·class="p">:</span><span·class="nf">allocations</span><span·class="p"·data-group-id="2292783485-1">(</span><span·class="p"·data-group-id="2292783485-2">#{</span><span·class="w">·</span><span·class="ss">histogram_start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">128</span><span·class="p[·...·truncated·by·diffoscope;·len:·293,·SHA:·ce5b0a6e791c3dfbbe4dd1fdfa14f56bab223f8da2719ef9ba48891fcf944247·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 488 | </span><span·class="p"·data-group-id=" | 488 | </span><span·class="p"·data-group-id="2292783485-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="2292783485-4">{</span><span·class="mi">128</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 489 | ·····</span><span·class="p"·data-group-id=" | 489 | ·····</span><span·class="p"·data-group-id="2292783485-5">#{</span><span·class="ss">udp_inet</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> |
| 490 | ···········</span><span·class="p"·data-group-id=" | 490 | ···········</span><span·class="p"·data-group-id="2292783485-6">#{</span><span·class="ss">driver_event_state</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-7">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·743,·SHA:·6c2d9fe4f2b18df06c19b9c11bfd19da0af0ef6f0fc5a76e4cdf41d52836898c·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 491 | ·······</span><span·class="ss">system</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> | 491 | ·······</span><span·class="ss">system</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> |
| 492 | ···········</span><span·class="p"·data-group-id=" | 492 | ···········</span><span·class="p"·data-group-id="2292783485-8">#{</span><span·class="ss">heap</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-9">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><s[·...·truncated·by·diffoscope;·len:·677,·SHA:·b836dd10fe1acf56bd7ec7ecead3b09e1808a37e7defcdd9313671d3608ebf7c·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 493 | ·············</span><span·class="ss">db_term</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 493 | ·············</span><span·class="ss">db_term</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-10">{</span><span·class="mi">271</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">52</span><span·class="p">,</span><span·class="mi">80</span><span·cl[·...·truncated·by·diffoscope;·len:·523,·SHA:·258215f2302abcb30b6ca327beea67c7bc5a03b2f788140dffbdb96af5014a1e·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 494 | ·············</span><span·class="ss">code</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 494 | ·············</span><span·class="ss">code</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-11">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">3</span><span·class=[·...·truncated·by·diffoscope;·len:·524,·SHA:·32e07c48675f9f32f1ac53dd15e06c8924a97ef4c12c6f9905ffa0b03d7314fb·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 495 | ·············</span><span·class="ss">binary</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 495 | ·············</span><span·class="ss">binary</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-12">{</span><span·class="mi">18</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">7</span><span·class[·...·truncated·by·diffoscope;·len:·520,·SHA:·79688f34d600df908268f5aaac0c09cec0f6efeed020853d7354a85f4c570057·...·]-12">}</span><span·class="p">,</span><span·class="w"> |
| 496 | ·············</span><span·class="ss">message</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 496 | ·············</span><span·class="ss">message</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-13">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">40</span><span·class="p">,</span><span·class="mi">78</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">2</span><span·clas[·...·truncated·by·diffoscope;·len:·521,·SHA:·b9bc5b3b66990d5468091deb9bfde60c153244e4af12c8419f808d605b9e695d·...·]-13">}</span><span·class="p">,</span><span·class="w"> |
| 497 | ·············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p"·data-group-id=" | 497 | ·············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-8">}</span><span·class="w"> |
| 498 | ·······</span><span·class="ss">spawn_forker</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> | 498 | ·······</span><span·class="ss">spawn_forker</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> |
| 499 | ···········</span><span·class="p"·data-group-id=" | 499 | ···········</span><span·class="p"·data-group-id="2292783485-14">#{</span><span·class="ss">driver_select_data_state</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> |
| 500 | ·················</span><span·class="p"·data-group-id=" | 500 | ·················</span><span·class="p"·data-group-id="2292783485-15">{</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class=[·...·truncated·by·diffoscope;·len:·573,·SHA:·e351691901e4c504a451bab907763ec464d738fb859cb2561bb3b9a3a34ea17f·...·]-14">}</span><span·class="p">,</span><span·class="w"> |
| 501 | ·······</span><span·class="ss">ram_file_drv</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 501 | ·······</span><span·class="ss">ram_file_drv</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-16">#{</span><span·class="ss">drv_binary</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-17">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0<[·...·truncated·by·diffoscope;·len:·738,·SHA:·ad54de6daa9b201f1b523772587983f58450ad331df833a15b482e708bf4489f·...·]-16">}</span><span·class="p">,</span><span·class="w"> |
| 502 | ·······</span><span·class="ss">prim_file</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> | 502 | ·······</span><span·class="ss">prim_file</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> |
| 503 | ···········</span><span·class="p"·data-group-id=" | 503 | ···········</span><span·class="p"·data-group-id="2292783485-18">#{</span><span·class="ss">process_specific_data</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-19">{</span><span·class="mi">2</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·695,·SHA:·0bc1f4a309e88cdefe193b4ae7f2372b0f991b8299172be156166a9cbb7f5ab2·...·]-19">}</span><span·class="p">,</span><span·class="w"> |
| 504 | ·············</span><span·class="ss">nif_trap_export_entry</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 504 | ·············</span><span·class="ss">nif_trap_export_entry</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-20">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class=[·...·truncated·by·diffoscope;·len:·519,·SHA:·8ff556adba5c8aacbb619e5e765a761461c55b85870fde98b919518e6a6b5e19·...·]-20">}</span><span·class="p">,</span><span·class="w"> |
| 505 | ·············</span><span·class="ss">monitor_extended</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 505 | ·············</span><span·class="ss">monitor_extended</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-21">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class=[·...·truncated·by·diffoscope;·len:·519,·SHA:·8ff556adba5c8aacbb619e5e765a761461c55b85870fde98b919518e6a6b5e19·...·]-21">}</span><span·class="p">,</span><span·class="w"> |
| 506 | ·············</span><span·class="ss">drv_binary</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 506 | ·············</span><span·class="ss">drv_binary</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-22">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class=[·...·truncated·by·diffoscope;·len:·519,·SHA:·64a433f0ff1b725983df329056a5449fc958f8e7b94c3a2cfcd9dc9e38bd4f23·...·]-22">}</span><span·class="p">,</span><span·class="w"> |
| 507 | ·············</span><span·class="ss">binary</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 507 | ·············</span><span·class="ss">binary</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-23">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class=[·...·truncated·by·diffoscope;·len:·573,·SHA:·3c938bb09cd665ae297228c226c534891faa0641030e0ad071988bf0897567ac·...·]-18">}</span><span·class="p">,</span><span·class="w"> |
| 508 | ·······</span><span·class="ss">prim_buffer</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> | 508 | ·······</span><span·class="ss">prim_buffer</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> |
| 509 | ···········</span><span·class="p"·data-group-id=" | 509 | ···········</span><span·class="p"·data-group-id="2292783485-24">#{</span><span·class="ss">nif_internal</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-25">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">[·...·truncated·by·diffoscope;·len:·686,·SHA:·42a735f6e960b8485503f6864f66566c2c7261819b6ac2026f540f6f8bb55b5e·...·]-25">}</span><span·class="p">,</span><span·class="w"> |
| 510 | ·············</span><span·class="ss">binary</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 510 | ·············</span><span·class="ss">binary</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2292783485-26">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class=[·...·truncated·by·diffoscope;·len:·733,·SHA:·752345121b73cf4d22dbf36bb1c9b203646162e877e6f21eb0fedb622d2739d9·...·]-3">}</span></code></pre> |
| 511 | ··</section> | 511 | ··</section> |
| 512 | </section> | 512 | </section> |
| 513 | <section·class="detail"·id="carriers/0"> | 513 | <section·class="detail"·id="carriers/0"> |
| 514 | ··<div·class="detail-header"> | 514 | ··<div·class="detail-header"> |
| 515 | ····<a·href="#carriers/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 515 | ····<a·href="#carriers/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 516 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 516 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 576, 23 lines modified | Offset 576, 23 lines modified | ||
| 576 | allocator·type·and·scheduler·id.</p><p>If·the·specified·allocator·types·are·not·enabled,·the·call·will·fail·with | 576 | allocator·type·and·scheduler·id.</p><p>If·the·specified·allocator·types·are·not·enabled,·the·call·will·fail·with |
| 577 | <code·class="inline">{error,·not_enabled}</code>.</p><p>The·following·options·can·be·used:</p><ul><li><p><strong><code·class="inline">allocator_types</code></strong>·-·The·allocator·types·that·will·be·searched.·Defaults·to | 577 | <code·class="inline">{error,·not_enabled}</code>.</p><p>The·following·options·can·be·used:</p><ul><li><p><strong><code·class="inline">allocator_types</code></strong>·-·The·allocator·types·that·will·be·searched.·Defaults·to |
| 578 | all·<code·class="inline">alloc_util</code>·allocators.</p></li><li><p><strong><code·class="inline">scheduler_ids</code></strong>·-·The·scheduler·ids·whose·allocator·instances·will·be | 578 | all·<code·class="inline">alloc_util</code>·allocators.</p></li><li><p><strong><code·class="inline">scheduler_ids</code></strong>·-·The·scheduler·ids·whose·allocator·instances·will·be |
| 579 | searched.·A·scheduler·id·of·0·will·refer·to·the·global·instance·that·is·not | 579 | searched.·A·scheduler·id·of·0·will·refer·to·the·global·instance·that·is·not |
| 580 | tied·to·any·particular·scheduler.·Defaults·to·all·schedulers·and·the·global | 580 | tied·to·any·particular·scheduler.·Defaults·to·all·schedulers·and·the·global |
| 581 | instance.</p></li><li><p><strong><code·class="inline">histogram_start</code></strong>·-·The·upper·bound·of·the·first·interval·in·the·free | 581 | instance.</p></li><li><p><strong><code·class="inline">histogram_start</code></strong>·-·The·upper·bound·of·the·first·interval·in·the·free |
| 582 | block·size·histograms.·Defaults·to·512.</p></li><li><p><strong><code·class="inline">histogram_width</code></strong>·-·The·number·of·intervals·in·the·free·block·size | 582 | block·size·histograms.·Defaults·to·512.</p></li><li><p><strong><code·class="inline">histogram_width</code></strong>·-·The·number·of·intervals·in·the·free·block·size |
| 583 | histograms.·Defaults·to·14.</p></li></ul><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">instrument</span><span·class="p">:</span><span·class="nf">carriers</span><span·class="p"·data-group-id=" | 583 | histograms.·Defaults·to·14.</p></li></ul><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">instrument</span><span·class="p">:</span><span·class="nf">carriers</span><span·class="p"·data-group-id="4460269719-1">(</span><span·class="p"·data-group-id="4460269719-2">#{</span><span·class="w">·</span><span·class="ss">histogram_start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">512</span><span·class="p[·...·truncated·by·diffoscope;·len:·292,·SHA:·85dd6cf59acaaa805ab83b024d7fcc41007e933f1d8cc2c2f2ba2b2c5067c63a·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 584 | </span><span·class="p"·data-group-id=" | 584 | </span><span·class="p"·data-group-id="4460269719-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="4460269719-4">{</span><span·class="mi">512</span><span·class="p">,</span><span·class="w"> |
| 585 | ·····</span><span·class="p"·data-group-id=" | 585 | ·····</span><span·class="p"·data-group-id="4460269719-5">[</span><span·class="p"·data-group-id="4460269719-6">{</span><span·class="ss">driver_alloc</span><span·class="p">,</span><span·class="ss">false</span><span·class="p">,</span><span·class="mi">262144</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 586 | ····················</span><span·class="p"·data-group-id=" | 586 | ····················</span><span·class="p"·data-group-id="4460269719-7">[</span><span·class="p"·data-group-id="4460269719-8">{</span><span·class="ss">driver_alloc</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">32784</span><span·class="p"·data-group-id="4460269719-8[·...·truncated·by·diffoscope;·len:·51,·SHA:·f8d1a39f63626965c73f85859bbea6033bacd13e93ec6711e0f375cf177eb659·...·]-7">]</span><span·class="p">,</span><span·class="w"> |
| 587 | ····················</span><span·class="p"·data-group-id=" | 587 | ····················</span><span·class="p"·data-group-id="4460269719-9">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="[·...·truncated·by·diffoscope;·len:·228,·SHA:·c397a6d6c6deb4b119fa7501492f28073cf231f76c0f3e04d9821e6709a06d92·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 588 | ······</span><span·class="p"·data-group-id=" | 588 | ······</span><span·class="p"·data-group-id="4460269719-10">{</span><span·class="ss">binary_alloc</span><span·class="p">,</span><span·class="ss">false</span><span·class="p">,</span><span·class="mi">32768</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 589 | ····················</span><span·class="p"·data-group-id=" | 589 | ····················</span><span·class="p"·data-group-id="4460269719-11">[</span><span·class="p"·data-group-id="4460269719-12">{</span><span·class="ss">binary_alloc</span><span·class="p">,</span><span·class="mi">15</span><span·class="p">,</span><span·class="mi">4304</span><span·class="p"·data-group-id="4460269719[·...·truncated·by·diffoscope;·len:·54,·SHA:·c70f65139a5497364e349cd82a24d4b21e99783dab0e74bc6c5d70958f6b1329·...·]-11">]</span><span·class="p">,</span><span·class="w"> |
| 590 | ····················</span><span·class="p"·data-group-id=" | 590 | ····················</span><span·class="p"·data-group-id="4460269719-13">{</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</span><span·class=[·...·truncated·by·diffoscope;·len:·230,·SHA:·cf4cb759bbff13a5aa9a9a3faa0c430b9dd47dcbf3ba07d940a7c5ebcb893fd6·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 591 | ······</span><span·class="p"·data-group-id=" | 591 | ······</span><span·class="p"·data-group-id="4460269719-14">{</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="4460269719-14">}</span><span·class="p">|</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class[·...·truncated·by·diffoscope;·len:·136,·SHA:·db600dbbb19f7c1da3264d50eb16ca470acf2f2343c826bf17a80e0cdfd18bb4·...·]-3">}</span></code></pre> |
| 592 | ··</section> | 592 | ··</section> |
| 593 | </section> | 593 | </section> |
| 594 | ····</div> | 594 | ····</div> |
| 595 | ··</section> | 595 | ··</section> |
| 596 | ····<footer·class="footer"> | 596 | ····<footer·class="footer"> |
| Offset 613, 15 lines modified | Offset 613, 15 lines modified | ||
| 613 | ······<p·class="built-using"> | 613 | ······<p·class="built-using"> |
| 614 | ········Built·using | 614 | ········Built·using |
| 615 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 615 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 616 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 616 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 617 | ······</p> | 617 | ······</p> |
| 618 | <p>Copyright·©·1996-202 | 618 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 619 | ····</footer> | 619 | ····</footer> |
| 620 | ··</div> | 620 | ··</div> |
| 621 | </main> | 621 | </main> |
| 622 | </div> | 622 | </div> |
| 623 | <script> | 623 | <script> |
| 624 | ··function·mermaidLoaded()·{ | 624 | ··function·mermaidLoaded()·{ |
| 625 | ····mermaid.initialize({ | 625 | ····mermaid.initialize({ |
| Offset 146, 40 lines modified | Offset 146, 40 lines modified | ||
| 146 | $·make</code></pre><h2·id="dyntrace-tracepoints"·class="section-heading"> | 146 | $·make</code></pre><h2·id="dyntrace-tracepoints"·class="section-heading"> |
| 147 | ··<a·href="#dyntrace-tracepoints"·class="hover-link"> | 147 | ··<a·href="#dyntrace-tracepoints"·class="hover-link"> |
| 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 149 | ··</a> | 149 | ··</a> |
| 150 | ··<span·class="text">Dyntrace·Tracepoints</span> | 150 | ··<span·class="text">Dyntrace·Tracepoints</span> |
| 151 | </h2> | 151 | </h2> |
| 152 | <p>All·tracepoints·are·in·the·domain·of·<code·class="inline">org_erlang_dyntrace</code></p><p>All·Erlang·types·are·the·string·equivalent·in·LTTng.</p><p><em>process_spawn</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">parent·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">entry·:·string</code>·::·Code·Location.·Ex.·<code·class="inline">"lists:sort/1"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">procs</code>·and | 152 | <p>All·tracepoints·are·in·the·domain·of·<code·class="inline">org_erlang_dyntrace</code></p><p>All·Erlang·types·are·the·string·equivalent·in·LTTng.</p><p><em>process_spawn</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">parent·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">entry·:·string</code>·::·Code·Location.·Ex.·<code·class="inline">"lists:sort/1"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">procs</code>·and |
| 153 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">process_spawn</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 153 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">process_spawn</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="2032822310-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">3</span><span·class="w">·</span><span·class="p"·data-group-id="2032822310-1">}</span><span·[·...·truncated·by·diffoscope;·len:·731,·SHA:·222dea5e5fb9ffc6d049d33b083fff0e9f83064faf7e87cd664e389eb03e207b·...·]-2">}</span></code></pre><p><em>process_link</em></p><ul><li><code·class="inline">to·:·string</code>·::·Process·ID·or·Port·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">from·:·string</code>·::·Process·ID·or·Port·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><p><code·class="inline">type·:·string</code>·::·<code·class="inline">"link"·|·"unlink"</code></p></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">procs</code>·and |
| 154 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">process_link:·{·cpu_id·=·3·},·{·from·=·"<0.130.0>",·to·=·"<0.131.0>",·type·=·"link"·}</code></pre><p><em>process_exit</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">reason·:·string</code>·::·Exit·reason.·Ex.·<code·class="inline">"normal"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">procs</code>·and | 154 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">process_link:·{·cpu_id·=·3·},·{·from·=·"<0.130.0>",·to·=·"<0.131.0>",·type·=·"link"·}</code></pre><p><em>process_exit</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">reason·:·string</code>·::·Exit·reason.·Ex.·<code·class="inline">"normal"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">procs</code>·and |
| 155 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">process_exit:·{·cpu_id·=·3·},·{·pid·=·"<0.130.0>",·reason·=·"normal"·}</code></pre><p><em>process_register</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">name·:·string</code>·::·Registered·name.·Ex.·<code·class="inline">"logger"</code></li><li><p><code·class="inline">type·:·string</code>·::·<code·class="inline">"register"·|·"unregister"</code></p></li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">process_register</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 155 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">process_exit:·{·cpu_id·=·3·},·{·pid·=·"<0.130.0>",·reason·=·"normal"·}</code></pre><p><em>process_register</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">name·:·string</code>·::·Registered·name.·Ex.·<code·class="inline">"logger"</code></li><li><p><code·class="inline">type·:·string</code>·::·<code·class="inline">"register"·|·"unregister"</code></p></li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">process_register</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="6761400415-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p"·data-group-id="6761400415-1">}</span><span·[·...·truncated·by·diffoscope;·len:·703,·SHA:·09aa797639b34397279353108e1d5bff00bffc10b813c27a209b5ed0544f1823·...·]-2">}</span></code></pre><p><em>process_scheduled</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">entry·:·string</code>·::·Code·Location.·Ex.·<code·class="inline">"lists:sort/1"</code></li><li><code·class="inline">type·:·string</code>·:: |
| 156 | <code·class="inline">"in"·|·"out"·|·"in_exiting"·|·"out_exiting"·|·"out_exited"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">running</code>·and | 156 | <code·class="inline">"in"·|·"out"·|·"in_exiting"·|·"out_exiting"·|·"out_exited"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">running</code>·and |
| 157 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">process_scheduled</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 157 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">process_scheduled</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="4849100906-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p"·data-group-id="4849100906-1">}</span><span·[·...·truncated·by·diffoscope;·len:·716,·SHA:·5a77979942213159b8fe1c95bfb3d545d624c1b31f1993c16fecb1f34fd19df2·...·]-2">}</span></code></pre><p><em>port_open</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">driver·:·string</code>·::·Driver·name.·Ex.·<code·class="inline">"tcp_inet"</code></li><li><code·class="inline">port·:·string</code>·::·Port·ID.·Ex.·<code·class="inline">"#Port<0.1031>"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">ports</code>·and |
| 158 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">port_open:·{·cpu_id·=·5·},·{·pid·=·"<0.131.0>",·driver·=·"'/bin/sh·-s·unix:cmd'",·port·=·"#Port<0.1887>"·}</code></pre><p><em>port_exit</em></p><ul><li><code·class="inline">port·:·string</code>·::·Port·ID.·Ex.·<code·class="inline">"#Port<0.1031>"</code></li><li><code·class="inline">reason·:·string</code>·::·Exit·reason.·Ex.·<code·class="inline">"normal"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">ports</code>·and | 158 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">port_open:·{·cpu_id·=·5·},·{·pid·=·"<0.131.0>",·driver·=·"'/bin/sh·-s·unix:cmd'",·port·=·"#Port<0.1887>"·}</code></pre><p><em>port_exit</em></p><ul><li><code·class="inline">port·:·string</code>·::·Port·ID.·Ex.·<code·class="inline">"#Port<0.1031>"</code></li><li><code·class="inline">reason·:·string</code>·::·Exit·reason.·Ex.·<code·class="inline">"normal"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">ports</code>·and |
| 159 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">port_exit:·{·cpu_id·=·5·},·{·port·=·"#Port<0.1887>",·reason·=·"normal"·}</code></pre><p><em>port_link</em></p><ul><li><code·class="inline">to·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">from·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><p><code·class="inline">type·:·string</code>·::·<code·class="inline">"link"·|·"unlink"</code></p></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">ports</code>·and | 159 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">port_exit:·{·cpu_id·=·5·},·{·port·=·"#Port<0.1887>",·reason·=·"normal"·}</code></pre><p><em>port_link</em></p><ul><li><code·class="inline">to·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">from·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><p><code·class="inline">type·:·string</code>·::·<code·class="inline">"link"·|·"unlink"</code></p></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">ports</code>·and |
| 160 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">port_link</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 160 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">port_link</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="3157549518-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">5</span><span·class="w">·</span><span·class="p"·data-group-id="3157549518-1">}</span><span·[·...·truncated·by·diffoscope;·len:·723,·SHA:·2e3e3227bcb3cc06bc2600e815f9be9ff0e504708dc7fc5f376d7623ce9e71de·...·]-2">}</span></code></pre><p><em>port_scheduled</em></p><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">running</code>·and |
| 161 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><ul><li><code·class="inline">port·:·string</code>·::·Port·ID.·Ex.·<code·class="inline">"#Port<0.1031>"</code></li><li><code·class="inline">entry·:·string</code>·::·Callback.·Ex.·<code·class="inline">"open"</code></li><li><code·class="inline">type·:·string</code>·:: | 161 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><ul><li><code·class="inline">port·:·string</code>·::·Port·ID.·Ex.·<code·class="inline">"#Port<0.1031>"</code></li><li><code·class="inline">entry·:·string</code>·::·Callback.·Ex.·<code·class="inline">"open"</code></li><li><code·class="inline">type·:·string</code>·:: |
| 162 | <code·class="inline">"in"·|·"out"·|·"in_exiting"·|·"out_exiting"·|·"out_exited"</code></li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">port_scheduled</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 162 | <code·class="inline">"in"·|·"out"·|·"in_exiting"·|·"out_exiting"·|·"out_exited"</code></li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">port_scheduled</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="7114688869-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">5</span><span·class="w">·</span><span·class="p"·data-group-id="7114688869-1">}</span><span·[·...·truncated·by·diffoscope;·len:·712,·SHA:·51325309f89f581d2eefa0ec68419fc2ceb460b5c9c558a2a7524144b99ba64e·...·]-2">}</span></code></pre><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">running</code>·and |
| 163 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p><em>function_call</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">entry·:·string</code>·::·Code·Location.·Ex.·<code·class="inline">"lists:sort/1"</code></li><li><code·class="inline">depth·:·integer</code>·::·Stack·depth.·Ex.·<code·class="inline">0</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">call</code>·and | 163 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p><em>function_call</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">entry·:·string</code>·::·Code·Location.·Ex.·<code·class="inline">"lists:sort/1"</code></li><li><code·class="inline">depth·:·integer</code>·::·Stack·depth.·Ex.·<code·class="inline">0</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">call</code>·and |
| 164 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">function_call</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 164 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">function_call</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="4623845283-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">5</span><span·class="w">·</span><span·class="p"·data-group-id="4623845283-1">}</span><span·[·...·truncated·by·diffoscope;·len:·739,·SHA:·855043b7329f022905eecc2ca9e83b8f17cf552e10a0181df00a0f2129187dce·...·]3-2">}</span></code></pre><p><em>function_return</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">entry·:·string</code>·::·Code·Location.·Ex.·<code·class="inline">"lists:sort/1"</code></li><li><code·class="inline">depth·:·integer</code>·::·Stack·depth.·Ex.·<code·class="inline">0</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">call</code>·or·<code·class="inline">return_to</code>·and |
| 165 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">function_return</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 165 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">function_return</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="4968327070-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">5</span><span·class="w">·</span><span·class="p"·data-group-id="4968327070-1">}</span><span·[·...·truncated·by·diffoscope;·len:·719,·SHA:·3ca10938a7cd760c0e928d0eb22d838feec20e56e121ccaafc566d5ac7fc37c4·...·]0-2">}</span></code></pre><p><em>function_exception</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">entry·:·string</code>·::·Code·Location.·Ex.·<code·class="inline">"lists:sort/1"</code></li><li><code·class="inline">class·:·string</code>·::·Error·reason.·Ex.·<code·class="inline">"error"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">call</code>·and |
| 166 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">function_exception</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 166 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">function_exception</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="1307988572-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">5</span><span·class="w">·</span><span·class="p"·data-group-id="1307988572-1">}</span><span·[·...·truncated·by·diffoscope;·len:·718,·SHA:·8abd867c9edf196baf871b75530e57002ed864411ef89a44765bca96b0269dd6·...·]-2">}</span></code></pre><p><em>message_send</em></p><ul><li><code·class="inline">from·:·string</code>·::·Process·ID·or·Port·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">to·:·string</code>·::·Process·ID·or·Port·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">message·:·string</code>·::·Message·sent.·Ex.·<code·class="inline">"{<0.162.0>,ok}"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">send</code>·and |
| 167 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">message_send:·{·cpu_id·=·3·},·{·from·=·"#Port<0.1938>",·to·=·"<0.160.0>",·message·=·"{#Port<0.1938>,eof}"·}</code></pre><p><em>message_receive</em></p><ul><li><code·class="inline">to·:·string</code>·::·Process·ID·or·Port·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">message·:·string</code>·::·Message·received.·Ex.·<code·class="inline">"{<0.162.0>,ok}"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">'receive'</code>·and | 167 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">message_send:·{·cpu_id·=·3·},·{·from·=·"#Port<0.1938>",·to·=·"<0.160.0>",·message·=·"{#Port<0.1938>,eof}"·}</code></pre><p><em>message_receive</em></p><ul><li><code·class="inline">to·:·string</code>·::·Process·ID·or·Port·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">message·:·string</code>·::·Message·received.·Ex.·<code·class="inline">"{<0.162.0>,ok}"</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">'receive'</code>·and |
| 168 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">message_receive:·{·cpu_id·=·7·},·{·to·=·"<0.167.0>",·message·=·"{<0.165.0>,ok}"·}</code></pre><p><em>gc_minor_start</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">need·:·integer</code>·::·Heap·need.·Ex.·<code·class="inline">2</code></li><li><code·class="inline">heap·:·integer</code>·::·Young·heap·word·size.·Ex.·<code·class="inline">233</code></li><li><code·class="inline">old_heap·:·integer</code>·::·Old·heap·word·size.·Ex.·<code·class="inline">233</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">garbage_collection</code>·and | 168 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">message_receive:·{·cpu_id·=·7·},·{·to·=·"<0.167.0>",·message·=·"{<0.165.0>,ok}"·}</code></pre><p><em>gc_minor_start</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">need·:·integer</code>·::·Heap·need.·Ex.·<code·class="inline">2</code></li><li><code·class="inline">heap·:·integer</code>·::·Young·heap·word·size.·Ex.·<code·class="inline">233</code></li><li><code·class="inline">old_heap·:·integer</code>·::·Old·heap·word·size.·Ex.·<code·class="inline">233</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">garbage_collection</code>·and |
| 169 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">gc_minor_start</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 169 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">gc_minor_start</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="6330807223-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p"·data-group-id="6330807223-1">}</span><span·[·...·truncated·by·diffoscope;·len:·858,·SHA:·acb5a2b36db4b2e52ca4ac900564bcc9778c27d558f75eaf012ad37b04c1becb·...·]-2">}</span></code></pre><p><em>gc_minor_end</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">reclaimed·:·integer</code>·::·Heap·reclaimed.·Ex.·<code·class="inline">2</code></li><li><code·class="inline">heap·:·integer</code>·::·Young·heap·word·size.·Ex.·<code·class="inline">233</code></li><li><code·class="inline">old_heap·:·integer</code>·::·Old·heap·word·size.·Ex.·<code·class="inline">233</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">garbage_collection</code>·and |
| 170 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="c">gc_minor_end:·{·cpu_id·=·0·},·{·pid·=·"<0.172.0>",·reclaimed·=·120,·heap·=·1598,·old_heap·=·1598·}</code></pre><p><em>gc_major_start</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">need·:·integer</code>·::·Heap·need.·Ex.·<code·class="inline">2</code></li><li><code·class="inline">heap·:·integer</code>·::·Young·heap·word·size.·Ex.·<code·class="inline">233</code></li><li><code·class="inline">old_heap·:·integer</code>·::·Old·heap·word·size.·Ex.·<code·class="inline">233</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">garbage_collection</code>·and | 170 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="c">gc_minor_end:·{·cpu_id·=·0·},·{·pid·=·"<0.172.0>",·reclaimed·=·120,·heap·=·1598,·old_heap·=·1598·}</code></pre><p><em>gc_major_start</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">need·:·integer</code>·::·Heap·need.·Ex.·<code·class="inline">2</code></li><li><code·class="inline">heap·:·integer</code>·::·Young·heap·word·size.·Ex.·<code·class="inline">233</code></li><li><code·class="inline">old_heap·:·integer</code>·::·Old·heap·word·size.·Ex.·<code·class="inline">233</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">garbage_collection</code>·and |
| 171 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">gc_major_start</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 171 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">gc_major_start</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="3617259793-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p"·data-group-id="3617259793-1">}</span><span·[·...·truncated·by·diffoscope;·len:·862,·SHA:·a4f66d2cfac73f2dde98961eb166ecadc87117c055350ce3326a94087b0fcb61·...·]-2">}</span></code></pre><p><em>gc_major_end</em></p><ul><li><code·class="inline">pid·:·string</code>·::·Process·ID.·Ex.·<code·class="inline">"<0.131.0>"</code></li><li><code·class="inline">reclaimed·:·integer</code>·::·Heap·reclaimed.·Ex.·<code·class="inline">2</code></li><li><code·class="inline">heap·:·integer</code>·::·Young·heap·word·size.·Ex.·<code·class="inline">233</code></li><li><code·class="inline">old_heap·:·integer</code>·::·Old·heap·word·size.·Ex.·<code·class="inline">233</code></li></ul><p>Available·through·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#trace/3"><code·class="inline">erlang:trace/3</code></a>·with·trace·flag·<code·class="inline">garbage_collection</code>·and |
| 172 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">gc_major_end:·{·cpu_id·=·0·},·{·pid·=·"<0.172.0>",·reclaimed·=·240,·heap·=·4185,·old_heap·=·0·}</code></pre><h2·id="beam-tracepoints"·class="section-heading"> | 172 | <code·class="inline">{tracer,dyntrace,[]}</code>·as·tracer·module.</p><p>Example:</p><pre><code·class="text">gc_major_end:·{·cpu_id·=·0·},·{·pid·=·"<0.172.0>",·reclaimed·=·240,·heap·=·4185,·old_heap·=·0·}</code></pre><h2·id="beam-tracepoints"·class="section-heading"> |
| 173 | ··<a·href="#beam-tracepoints"·class="hover-link"> | 173 | ··<a·href="#beam-tracepoints"·class="hover-link"> |
| 174 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 174 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 175 | ··</a> | 175 | ··</a> |
| 176 | ··<span·class="text">BEAM·Tracepoints</span> | 176 | ··<span·class="text">BEAM·Tracepoints</span> |
| 177 | </h2> | 177 | </h2> |
| 178 | <p>All·tracepoints·are·in·the·domain·of·<code·class="inline">org_erlang_otp</code></p><p>All·Erlang·types·are·the·string·equivalent·in·LTTng.</p><p><em>driver_init</em></p><ul><li><code·class="inline">driver·:·string</code>·::·Driver·name.·Ex.·<code·class="inline">"tcp_inet"</code></li><li><code·class="inline">major·:·integer</code>·::·Major·version.·Ex.·<code·class="inline">3</code></li><li><code·class="inline">minor·:·integer</code>·::·Minor·version.·Ex.·<code·class="inline">1</code></li><li><code·class="inline">flags·:·integer</code>·::·Flags.·Ex.·<code·class="inline">1</code></li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">driver_init</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id=" | 178 | <p>All·tracepoints·are·in·the·domain·of·<code·class="inline">org_erlang_otp</code></p><p>All·Erlang·types·are·the·string·equivalent·in·LTTng.</p><p><em>driver_init</em></p><ul><li><code·class="inline">driver·:·string</code>·::·Driver·name.·Ex.·<code·class="inline">"tcp_inet"</code></li><li><code·class="inline">major·:·integer</code>·::·Major·version.·Ex.·<code·class="inline">3</code></li><li><code·class="inline">minor·:·integer</code>·::·Minor·version.·Ex.·<code·class="inline">1</code></li><li><code·class="inline">flags·:·integer</code>·::·Flags.·Ex.·<code·class="inline">1</code></li></ul><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">driver_init</span><span·class="p">:</span><span·class="w">·</span><span·class="p"·data-group-id="5495756903-1">{</span><span·class="w">·</span><span·class="ss">cpu_id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">2</span><span·class="w">·</span><span·class="p"·data-group-id="5495756903-1">}</span><span·[·...·truncated·by·diffoscope;·len:·19388,·SHA:·9799f4e5a81b6ddf3e5ac588ed2ab0a2b7eaba1611fb76927874273d8227fad9·...·]9-2">}</span></code></pre><p><em>carrier_create</em></p><ul><li><code·class="inline">type·:·string</code>·::·Carrier·type.·Ex.·<code·class="inline">"ets_alloc"</code></li><li><code·class="inline">instance·:·integer</code>·::·Allocator·instance.·Ex.·<code·class="inline">1</code></li><li><code·class="inline">size·:·integer</code>·::·Carrier·size.·Ex.·<code·class="inline">262144</code></li><li><code·class="inline">mbc_carriers·:·integer</code>·::·Number·of·multiblock·carriers·in·instance.·Ex.·<code·class="inline">3</code></li><li><code·class="inline">mbc_carriers_size·:·integer</code>·::·Total·size·of·multiblock·blocks·carriers·in |
| 179 | instance.·Ex.·<code·class="inline">1343488</code></li><li><code·class="inline">mbc_blocks·:·integer</code>·::·Number·of·multiblock·blocks·in·instance.·Ex.·<code·class="inline">122</code></li><li><code·class="inline">mbc_blocks_size·:·integer</code>·::·Total·size·of·all·multiblock·blocks·in | 179 | instance.·Ex.·<code·class="inline">1343488</code></li><li><code·class="inline">mbc_blocks·:·integer</code>·::·Number·of·multiblock·blocks·in·instance.·Ex.·<code·class="inline">122</code></li><li><code·class="inline">mbc_blocks_size·:·integer</code>·::·Total·size·of·all·multiblock·blocks·in |
| 180 | instance.·Ex.·<code·class="inline">285296</code></li><li><code·class="inline">sbc_carriers·:·integer</code>·::·Number·of·singleblock·carriers·in·instance.·Ex. | 180 | instance.·Ex.·<code·class="inline">285296</code></li><li><code·class="inline">sbc_carriers·:·integer</code>·::·Number·of·singleblock·carriers·in·instance.·Ex. |
| 181 | <code·class="inline">1</code></li><li><code·class="inline">sbc_carriers_size·:·integer</code>·::·Total·size·of·singleblock·blocks·carriers·in | 181 | <code·class="inline">1</code></li><li><code·class="inline">sbc_carriers_size·:·integer</code>·::·Total·size·of·singleblock·blocks·carriers·in |
| 182 | instance.·Ex.·<code·class="inline">1343488</code></li><li><code·class="inline">sbc_blocks·:·integer</code>·::·Number·of·singleblocks·in·instance.·Ex.·<code·class="inline">1</code></li><li><code·class="inline">sbc_blocks_size·:·integer</code>·::·Total·size·of·all·singleblock·blocks·in | 182 | instance.·Ex.·<code·class="inline">1343488</code></li><li><code·class="inline">sbc_blocks·:·integer</code>·::·Number·of·singleblocks·in·instance.·Ex.·<code·class="inline">1</code></li><li><code·class="inline">sbc_blocks_size·:·integer</code>·::·Total·size·of·all·singleblock·blocks·in |
| 183 | instance.·Ex.·<code·class="inline">285296</code></li></ul><p>Example:</p><pre><code·class="c">carrier_create:·{·cpu_id·=·2·},·{·type·=·"ets_alloc",·instance·=·7,·size·=·2097152,·mbc_carriers·=·4,·mbc_carriers_size·=·3440640,·mbc_blocks·=·526,·mbc_blocks_size·=·1278576,·sbc_carriers·=·0,·sbc_carriers_size·=·0,·sbc_blocks·=·0,·sbc_blocks_size·=·0·}</code></pre><p><em>carrier_destroy</em></p><ul><li><code·class="inline">type·:·string</code>·::·Carrier·type.·Ex.·<code·class="inline">"ets_alloc"</code></li><li><code·class="inline">instance·:·integer</code>·::·Allocator·instance.·Ex.·<code·class="inline">1</code></li><li><code·class="inline">size·:·integer</code>·::·Carrier·size.·Ex.·<code·class="inline">262144</code></li><li><code·class="inline">mbc_carriers·:·integer</code>·::·Number·of·multiblock·carriers·in·instance.·Ex.·<code·class="inline">3</code></li><li><code·class="inline">mbc_carriers_size·:·integer</code>·::·Total·size·of·multiblock·blocks·carriers·in | 183 | instance.·Ex.·<code·class="inline">285296</code></li></ul><p>Example:</p><pre><code·class="c">carrier_create:·{·cpu_id·=·2·},·{·type·=·"ets_alloc",·instance·=·7,·size·=·2097152,·mbc_carriers·=·4,·mbc_carriers_size·=·3440640,·mbc_blocks·=·526,·mbc_blocks_size·=·1278576,·sbc_carriers·=·0,·sbc_carriers_size·=·0,·sbc_blocks·=·0,·sbc_blocks_size·=·0·}</code></pre><p><em>carrier_destroy</em></p><ul><li><code·class="inline">type·:·string</code>·::·Carrier·type.·Ex.·<code·class="inline">"ets_alloc"</code></li><li><code·class="inline">instance·:·integer</code>·::·Allocator·instance.·Ex.·<code·class="inline">1</code></li><li><code·class="inline">size·:·integer</code>·::·Carrier·size.·Ex.·<code·class="inline">262144</code></li><li><code·class="inline">mbc_carriers·:·integer</code>·::·Number·of·multiblock·carriers·in·instance.·Ex.·<code·class="inline">3</code></li><li><code·class="inline">mbc_carriers_size·:·integer</code>·::·Total·size·of·multiblock·blocks·carriers·in |
| 184 | instance.·Ex.·<code·class="inline">1343488</code></li><li><code·class="inline">mbc_blocks·:·integer</code>·::·Number·of·multiblock·blocks·in·instance.·Ex.·<code·class="inline">122</code></li><li><code·class="inline">mbc_blocks_size·:·integer</code>·::·Total·size·of·all·multiblock·blocks·in | 184 | instance.·Ex.·<code·class="inline">1343488</code></li><li><code·class="inline">mbc_blocks·:·integer</code>·::·Number·of·multiblock·blocks·in·instance.·Ex.·<code·class="inline">122</code></li><li><code·class="inline">mbc_blocks_size·:·integer</code>·::·Total·size·of·all·multiblock·blocks·in |
| 185 | instance.·Ex.·<code·class="inline">285296</code></li><li><code·class="inline">sbc_carriers·:·integer</code>·::·Number·of·singleblock·carriers·in·instance.·Ex. | 185 | instance.·Ex.·<code·class="inline">285296</code></li><li><code·class="inline">sbc_carriers·:·integer</code>·::·Number·of·singleblock·carriers·in·instance.·Ex. |
| Offset 194, 18 lines modified | Offset 194, 18 lines modified | ||
| 194 | <p>An·example·of·process·tracing·of·<code·class="inline">os_mon</code>·and·friends.</p><p>Clean·start·of·lttng·in·a·bash·shell.</p><pre><code·class="text">$·lttng·create·erlang-demo | 194 | <p>An·example·of·process·tracing·of·<code·class="inline">os_mon</code>·and·friends.</p><p>Clean·start·of·lttng·in·a·bash·shell.</p><pre><code·class="text">$·lttng·create·erlang-demo |
| 195 | Spawning·a·session·daemon | 195 | Spawning·a·session·daemon |
| 196 | Session·erlang-demo·created. | 196 | Session·erlang-demo·created. |
| 197 | Traces·will·be·written·in·/home/egil/lttng-traces/erlang-demo-20160526-165920</code></pre><p>Start·an·Erlang·node·with·lttng·enabled.</p><pre><code·class="text">$·erl | 197 | Traces·will·be·written·in·/home/egil/lttng-traces/erlang-demo-20160526-165920</code></pre><p>Start·an·Erlang·node·with·lttng·enabled.</p><pre><code·class="text">$·erl |
| 198 | Erlang/OTP·19·[erts-8.0]·[source-4d7b24d]·[64-bit]·[smp:8:8]·[async-threads:10]·[hipe]·[kernel-poll:false]·[lttng] | 198 | Erlang/OTP·19·[erts-8.0]·[source-4d7b24d]·[64-bit]·[smp:8:8]·[async-threads:10]·[hipe]·[kernel-poll:false]·[lttng] |
| 199 | Eshell·V8.0··(abort·with·^G) | 199 | Eshell·V8.0··(abort·with·^G) |
| 200 | 1></code></pre><p>Load·the·<code·class="inline">dyntrace</code>·module.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">l</span><span·class="p"·data-group-id=" | 200 | 1></code></pre><p>Load·the·<code·class="inline">dyntrace</code>·module.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">l</span><span·class="p"·data-group-id="3668200624-1">(</span><span·class="ss">dyntrace</span><span·class="p"·data-group-id="3668200624-1">)</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="p"·data-group-id=" | 201 | </span><span·class="p"·data-group-id="3668200624-2">{</span><span·class="ss">module</span><span·class="p">,</span><span·class="ss">dyntrace</span><span·class="p"·data-group-id="3668200624-2">}</span></code></pre><p>All·tracepoints·via·dyntrace·are·now·visible·and·can·be·listed·through |
| 202 | <code·class="inline">lttng·list·-u</code>.</p><p>Enable·the·process_register·LTTng·tracepoint·for·Erlang.</p><pre><code·class="text">$·lttng·enable-event·-u·org_erlang_dyntrace:process_register | 202 | <code·class="inline">lttng·list·-u</code>.</p><p>Enable·the·process_register·LTTng·tracepoint·for·Erlang.</p><pre><code·class="text">$·lttng·enable-event·-u·org_erlang_dyntrace:process_register |
| 203 | UST·event·org_erlang_dyntrace:process_register·created·in·channel·channel0</code></pre><p>Enable·process·tracing·for·new·processes·and·use·<code·class="inline">dyntrace</code>·as·tracer·backend.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">trace</span><span·class="p"·data-group-id=" | 203 | UST·event·org_erlang_dyntrace:process_register·created·in·channel·channel0</code></pre><p>Enable·process·tracing·for·new·processes·and·use·<code·class="inline">dyntrace</code>·as·tracer·backend.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">trace</span><span·class="p"·data-group-id="0115510651-1">(</span><span·class="ss">new</span><span·class="p">,</span><span·class="ss">true</span><span·class="p">,</span><span·class="p"·data-group-id="0115510651-2">[</span><span·class="ss">procs</span><span·class="p">,</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·391,·SHA:·e86c631ad40c2187b252cab8555f81cb7af42063e9174870b49342d8851bd8d2·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 204 | </span><span·class="mi">0</span></code></pre><p>Start·LTTng·tracing.</p><pre><code·class="text">$·lttng·start | 204 | </span><span·class="mi">0</span></code></pre><p>Start·LTTng·tracing.</p><pre><code·class="text">$·lttng·start |
| 205 | Tracing·started·for·session·erlang-demo</code></pre><p>Start·the·<code·class="inline">os_mon</code>·application·in·Erlang.</p><pre><code·class="text">3>·application:ensure_all_started(os_mon). | 205 | Tracing·started·for·session·erlang-demo</code></pre><p>Start·the·<code·class="inline">os_mon</code>·application·in·Erlang.</p><pre><code·class="text">3>·application:ensure_all_started(os_mon). |
| 206 | {ok,[sasl,os_mon]}</code></pre><p>Stop·LTTng·tracing·and·view·the·result.</p><pre><code·class="text">$·lttng·stop | 206 | {ok,[sasl,os_mon]}</code></pre><p>Stop·LTTng·tracing·and·view·the·result.</p><pre><code·class="text">$·lttng·stop |
| 207 | Tracing·stopped·for·session·erlang-demo | 207 | Tracing·stopped·for·session·erlang-demo |
| 208 | $·lttng·view | 208 | $·lttng·view |
| 209 | [17:20:42.561168759]·(+?.?????????)·elxd1168lx9·org_erlang_dyntrace:process_register:·\ | 209 | [17:20:42.561168759]·(+?.?????????)·elxd1168lx9·org_erlang_dyntrace:process_register:·\ |
| 210 | ····{·cpu_id·=·5·},·{·pid·=·"<0.66.0>",·name·=·"sasl_sup",·type·=·"register"·} | 210 | ····{·cpu_id·=·5·},·{·pid·=·"<0.66.0>",·name·=·"sasl_sup",·type·=·"register"·} |
| Offset 271, 15 lines modified | Offset 271, 15 lines modified | ||
| 271 | ······<p·class="built-using"> | 271 | ······<p·class="built-using"> |
| 272 | ········Built·using | 272 | ········Built·using |
| 273 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 273 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 274 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 274 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 275 | ······</p> | 275 | ······</p> |
| 276 | <p>Copyright·©·1996-202 | 276 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 277 | ····</footer> | 277 | ····</footer> |
| 278 | ··</div> | 278 | ··</div> |
| 279 | </main> | 279 | </main> |
| 280 | </div> | 280 | </div> |
| 281 | <script> | 281 | <script> |
| 282 | ··function·mermaidLoaded()·{ | 282 | ··function·mermaidLoaded()·{ |
| 283 | ····mermaid.initialize({ | 283 | ····mermaid.initialize({ |
| Offset 127, 29 lines modified | Offset 127, 29 lines modified | ||
| 127 | ··</h1> | 127 | ··</h1> |
| 128 | ····<section·id="moduledoc"> | 128 | ····<section·id="moduledoc"> |
| 129 | <p>Convenience·functions·for·microstate·accounting</p><p>This·module·implements·some·convenience·functions·for·analyzing·microstate | 129 | <p>Convenience·functions·for·microstate·accounting</p><p>This·module·implements·some·convenience·functions·for·analyzing·microstate |
| 130 | accounting·data.·For·details·about·how·to·use·the·basic·API·and·what·the | 130 | accounting·data.·For·details·about·how·to·use·the·basic·API·and·what·the |
| 131 | different·states·represent,·see | 131 | different·states·represent,·see |
| 132 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#statistics_microstate_accounting"><code·class="inline">erlang:statistics(microstate_accounting)</code></a>.</p><p><a·href=""·id="msacc_print_example"></a></p><p><em>Basic·Scenario</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">msacc</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 132 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#statistics_microstate_accounting"><code·class="inline">erlang:statistics(microstate_accounting)</code></a>.</p><p><a·href=""·id="msacc_print_example"></a></p><p><em>Basic·Scenario</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">msacc</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="2129399193-1">(</span><span·class="mi">1000</span><span·class="p"·data-group-id="2129399193-1">)</span><span·class="p">.</span><span·class="w"> |
| 133 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 133 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 134 | 2>·</span><span·class="nc">msacc</span><span·class="p">:</span><span·class="nf">print</span><span·class="p"·data-group-id=" | 134 | 2>·</span><span·class="nc">msacc</span><span·class="p">:</span><span·class="nf">print</span><span·class="p"·data-group-id="2129399193-2">(</span><span·class="p"·data-group-id="2129399193-2">)</span><span·class="p">.</span><span·class="w"> |
| 135 | </span><span·class="n">Average</span><span·class="w">·</span><span·class="ss">thread</span><span·class="w">·</span><span·class="ss">real</span><span·class="o">-</span><span·class="ss">time</span><span·class="w">····</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">1000513</span><span·class="w">·</span><span·class="ss">us</span><span·class="w"> | 135 | </span><span·class="n">Average</span><span·class="w">·</span><span·class="ss">thread</span><span·class="w">·</span><span·class="ss">real</span><span·class="o">-</span><span·class="ss">time</span><span·class="w">····</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">1000513</span><span·class="w">·</span><span·class="ss">us</span><span·class="w"> |
| 136 | </span><span·class="n">Accumulated</span><span·class="w">·</span><span·class="ss">system</span><span·class="w">·</span><span·class="ss">run</span><span·class="o">-</span><span·class="ss">time</span><span·class="w">·</span><span·class="p">:</span><span·class="w">····</span><span·class="mi">2213</span><span·class="w">·</span><span·class="ss">us</span><span·class="w"> | 136 | </span><span·class="n">Accumulated</span><span·class="w">·</span><span·class="ss">system</span><span·class="w">·</span><span·class="ss">run</span><span·class="o">-</span><span·class="ss">time</span><span·class="w">·</span><span·class="p">:</span><span·class="w">····</span><span·class="mi">2213</span><span·class="w">·</span><span·class="ss">us</span><span·class="w"> |
| 137 | </span><span·class="n">Average</span><span·class="w">·</span><span·class="ss">scheduler</span><span·class="w">·</span><span·class="ss">run</span><span·class="o">-</span><span·class="ss">time</span><span·class="w">··</span><span·class="p">:</span><span·class="w">····</span><span·class="mi">1076</span><span·class="w">·</span><span·class="ss">us</span><span·class="w"> | 137 | </span><span·class="n">Average</span><span·class="w">·</span><span·class="ss">scheduler</span><span·class="w">·</span><span·class="ss">run</span><span·class="o">-</span><span·class="ss">time</span><span·class="w">··</span><span·class="p">:</span><span·class="w">····</span><span·class="mi">1076</span><span·class="w">·</span><span·class="ss">us</span><span·class="w"> |
| 138 | ········</span><span·class="n">Thread</span><span·class="w">······</span><span·class="ss">aux</span><span·class="w">·</span><span·class="ss">check_io</span><span·class="w">·</span><span·class="ss">emulator</span><span·class="w">·······</span><span·class="ss">gc</span><span·class="w">····</span><span·class="ss">other</span><span·class="w">·····</span><span·class="ss">port</span><span·class="w">····</span><span·class="ss">sleep</span><span·class="w"> | 138 | ········</span><span·class="n">Thread</span><span·class="w">······</span><span·class="ss">aux</span><span·class="w">·</span><span·class="ss">check_io</span><span·class="w">·</span><span·class="ss">emulator</span><span·class="w">·······</span><span·class="ss">gc</span><span·class="w">····</span><span·class="ss">other</span><span·class="w">·····</span><span·class="ss">port</span><span·class="w">····</span><span·class="ss">sleep</span><span·class="w"> |
| 139 | </span><span·class="n">Stats</span><span·class="w">·</span><span·class="ss">per</span><span·class="w">·</span><span·class="nc">thread</span><span·class="p">:</span><span·class="w"> | 139 | </span><span·class="n">Stats</span><span·class="w">·</span><span·class="ss">per</span><span·class="w">·</span><span·class="nc">thread</span><span·class="p">:</span><span·class="w"> |
| 140 | ·····</span><span·class="nf">async</span><span·class="p"·data-group-id=" | 140 | ·····</span><span·class="nf">async</span><span·class="p"·data-group-id="2129399193-3">(</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="2129399193-3">)</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.00%····0.00%····0.00%····0.00%····0.00%··100.00%</span><span·class="w"> |
| 141 | ·····</span><span·class="nf">async</span><span·class="p"·data-group-id=" | 141 | ·····</span><span·class="nf">async</span><span·class="p"·data-group-id="2129399193-4">(</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="2129399193-4">)</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.00%····0.00%····0.00%····0.00%····0.00%··100.00%</span><span·class="w"> |
| 142 | ·······</span><span·class="nf">aux</span><span·class="p"·data-group-id=" | 142 | ·······</span><span·class="nf">aux</span><span·class="p"·data-group-id="2129399193-5">(</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="2129399193-5">)</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.00%····0.00%····0.00%····0.00%····0.00%···99.99%</span><span·class="w"> |
| 143 | ·</span><span·class="nf">scheduler</span><span·class="p"·data-group-id=" | 143 | ·</span><span·class="nf">scheduler</span><span·class="p"·data-group-id="2129399193-6">(</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="2129399193-6">)</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.03%····0.13%····0.00%····0.01%····0.00%···99.82%</span><span·class="w"> |
| 144 | ·</span><span·class="nf">scheduler</span><span·class="p"·data-group-id=" | 144 | ·</span><span·class="nf">scheduler</span><span·class="p"·data-group-id="2129399193-7">(</span><span·class="w">·</span><span·class="mi">2</span><span·class="p"·data-group-id="2129399193-7">)</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.00%····0.00%····0.00%····0.03%····0.00%···99.97%</span><span·class="w"> |
| 145 | </span><span·class="n">Stats</span><span·class="w">·</span><span·class="ss">per</span><span·class="w">·</span><span·class="nc">type</span><span·class="p">:</span><span·class="w"> | 145 | </span><span·class="n">Stats</span><span·class="w">·</span><span·class="ss">per</span><span·class="w">·</span><span·class="nc">type</span><span·class="p">:</span><span·class="w"> |
| 146 | ·········</span><span·class="ss">async</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.00%····0.00%····0.00%····0.00%····0.00%··100.00%</span><span·class="w"> | 146 | ·········</span><span·class="ss">async</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.00%····0.00%····0.00%····0.00%····0.00%··100.00%</span><span·class="w"> |
| 147 | ···········</span><span·class="ss">aux</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.00%····0.00%····0.00%····0.00%····0.00%···99.99%</span><span·class="w"> | 147 | ···········</span><span·class="ss">aux</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.00%····0.00%····0.00%····0.00%····0.00%···99.99%</span><span·class="w"> |
| 148 | ·····</span><span·class="ss">scheduler</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.02%····0.06%····0.00%····0.02%····0.00%···99.89%</span><span·class="w"> | 148 | ·····</span><span·class="ss">scheduler</span><span·class="w">····</span><span·class="mf">0.00</span><span·class="c1">%····0.02%····0.06%····0.00%····0.02%····0.00%···99.89%</span><span·class="w"> |
| 149 | </span><span·class="ss">ok</span></code></pre><p>This·first·command·enables·microstate·accounting·for·1000·milliseconds.·See | 149 | </span><span·class="ss">ok</span></code></pre><p>This·first·command·enables·microstate·accounting·for·1000·milliseconds.·See |
| 150 | <a·href="#start/0"><code·class="inline">start/0</code></a>,·<a·href="#stop/0"><code·class="inline">stop/0</code></a>,·<a·href="#reset/0"><code·class="inline">reset/0</code></a>,·and·<a·href="#start/1"><code·class="inline">start/1</code></a>·for·more·details.·The·second | 150 | <a·href="#start/0"><code·class="inline">start/0</code></a>,·<a·href="#stop/0"><code·class="inline">stop/0</code></a>,·<a·href="#reset/0"><code·class="inline">reset/0</code></a>,·and·<a·href="#start/1"><code·class="inline">start/1</code></a>·for·more·details.·The·second |
| Offset 911, 15 lines modified | Offset 911, 15 lines modified | ||
| 911 | ······</div> | 911 | ······</div> |
| 912 | <p>Print·the·given·microstate·statistics·values·to·standard·out.·With·many·states | 912 | <p>Print·the·given·microstate·statistics·values·to·standard·out.·With·many·states |
| 913 | this·can·be·verbose.·See·the·top·of·this·reference·manual·for·a·brief | 913 | this·can·be·verbose.·See·the·top·of·this·reference·manual·for·a·brief |
| 914 | description·of·what·the·fields·mean.</p><p>It·is·possible·to·print·more·specific·types·of·statistics·by·first·manipulating | 914 | description·of·what·the·fields·mean.</p><p>It·is·possible·to·print·more·specific·types·of·statistics·by·first·manipulating |
| 915 | the·<code·class="inline">DataOrStats</code>·using·<a·href="#stats/2"><code·class="inline">stats/2</code></a>.·For·instance·if·you·want·to·print·the | 915 | the·<code·class="inline">DataOrStats</code>·using·<a·href="#stats/2"><code·class="inline">stats/2</code></a>.·For·instance·if·you·want·to·print·the |
| 916 | percentage·of·run-time·for·each·thread·you·can·do:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">msacc</span><span·class="p">:</span><span·class="nf">print</span><span·class="p"·data-group-id=" | 916 | percentage·of·run-time·for·each·thread·you·can·do:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">msacc</span><span·class="p">:</span><span·class="nf">print</span><span·class="p"·data-group-id="1443149710-1">(</span><span·class="nc">msacc</span><span·class="p">:</span><span·class="nf">stats</span><span·class="p"·data-group-id="1443149710-2">(</span><span·class="ss">runtime</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">msa[·...·truncated·by·diffoscope;·len:·1323,·SHA:·cc3a3c013967570fc6eebb616d8d527c5887323efdb2bba66e402bbe36c3cf59·...·]-1">)</span><span·class="p">.</span></code></pre><p><em>Options</em></p><ul><li><strong><code·class="inline">system</code></strong>·-·Print·percentage·of·time·spent·in·each·state·out·of·system·time |
| 917 | as·well·as·thread·time.·Default:·false.</li></ul> | 917 | as·well·as·thread·time.·Default:·false.</li></ul> |
| 918 | ··</section> | 918 | ··</section> |
| 919 | </section> | 919 | </section> |
| 920 | <section·class="detail"·id="print/3"> | 920 | <section·class="detail"·id="print/3"> |
| 921 | ··<div·class="detail-header"> | 921 | ··<div·class="detail-header"> |
| 922 | ····<a·href="#print/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 922 | ····<a·href="#print/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1186, 15 lines modified | Offset 1186, 15 lines modified | ||
| 1186 | ······<p·class="built-using"> | 1186 | ······<p·class="built-using"> |
| 1187 | ········Built·using | 1187 | ········Built·using |
| 1188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1190 | ······</p> | 1190 | ······</p> |
| 1191 | <p>Copyright·©·1996-202 | 1191 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1192 | ····</footer> | 1192 | ····</footer> |
| 1193 | ··</div> | 1193 | ··</div> |
| 1194 | </main> | 1194 | </main> |
| 1195 | </div> | 1195 | </div> |
| 1196 | <script> | 1196 | <script> |
| 1197 | ··function·mermaidLoaded()·{ | 1197 | ··function·mermaidLoaded()·{ |
| 1198 | ····mermaid.initialize({ | 1198 | ····mermaid.initialize({ |
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| 1275 | ······<p·class="built-using"> | 1275 | ······<p·class="built-using"> |
| 1276 | ········Built·using | 1276 | ········Built·using |
| 1277 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1277 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1278 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1278 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1279 | ······</p> | 1279 | ······</p> |
| 1280 | <p>Copyright·©·1996-202 | 1280 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1281 | ····</footer> | 1281 | ····</footer> |
| 1282 | ··</div> | 1282 | ··</div> |
| 1283 | </main> | 1283 | </main> |
| 1284 | </div> | 1284 | </div> |
| 1285 | <script> | 1285 | <script> |
| 1286 | ··function·mermaidLoaded()·{ | 1286 | ··function·mermaidLoaded()·{ |
| 1287 | ····mermaid.initialize({ | 1287 | ····mermaid.initialize({ |
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| 191 | ······<p·class="built-using"> | 191 | ······<p·class="built-using"> |
| 192 | ········Built·using | 192 | ········Built·using |
| 193 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 193 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 194 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 194 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 195 | ······</p> | 195 | ······</p> |
| 196 | <p>Copyright·©·1996-202 | 196 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 197 | ····</footer> | 197 | ····</footer> |
| 198 | ··</div> | 198 | ··</div> |
| 199 | </main> | 199 | </main> |
| 200 | </div> | 200 | </div> |
| 201 | <script> | 201 | <script> |
| 202 | ··function·mermaidLoaded()·{ | 202 | ··function·mermaidLoaded()·{ |
| 203 | ····mermaid.initialize({ | 203 | ····mermaid.initialize({ |
| Offset 591, 15 lines modified | Offset 591, 15 lines modified | ||
| 591 | ······</div> | 591 | ······</div> |
| 592 | <p>Measure·utilization·for·normal·and·dirty-cpu·schedulers·during·<code·class="inline">Seconds</code> | 592 | <p>Measure·utilization·for·normal·and·dirty-cpu·schedulers·during·<code·class="inline">Seconds</code> |
| 593 | seconds,·and·then·return·the·result.</p><p>Will·automatically·first·enable·and·then·disable | 593 | seconds,·and·then·return·the·result.</p><p>Will·automatically·first·enable·and·then·disable |
| 594 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#system_flag_scheduler_wall_time"><code·class="inline">scheduler_wall_time</code></a>.</p><p>Calculate·scheduler·utilizations·for·the·time·interval·from·when·<code·class="inline">Sample</code>·was | 594 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#system_flag_scheduler_wall_time"><code·class="inline">scheduler_wall_time</code></a>.</p><p>Calculate·scheduler·utilizations·for·the·time·interval·from·when·<code·class="inline">Sample</code>·was |
| 595 | taken·and·"now".·The·same·as·calling | 595 | taken·and·"now".·The·same·as·calling |
| 596 | <code·class="inline">scheduler:utilization(Sample,·scheduler:sample_all())</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·function·is·<em>not·recommended</em>·as·it's·so·easy·to·get·invalid·results | 596 | <code·class="inline">scheduler:utilization(Sample,·scheduler:sample_all())</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·function·is·<em>not·recommended</em>·as·it's·so·easy·to·get·invalid·results |
| 597 | without·noticing.·In·particular·do·not·do·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">scheduler</span><span·class="p">:</span><span·class="nf">utilization</span><span·class="p"·data-group-id=" | 597 | without·noticing.·In·particular·do·not·do·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">scheduler</span><span·class="p">:</span><span·class="nf">utilization</span><span·class="p"·data-group-id="3469061391-1">(</span><span·class="nc">scheduler</span><span·class="p">:</span><span·class="nf">sample</span><span·class="p"·data-group-id="3469061391-2">(</span><span·class="p"·data-group-id="3469061391-2">)</span><span·class="p"·data-group-id="3469061391-1">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·DO·NOT·DO·THIS!</span></code></pre><p>The·above·example·takes·two·samples·in·rapid·succession·and·calculates·the |
| 598 | scheduler·utilization·between·them.·The·resulting·values·will·probably·be·more | 598 | scheduler·utilization·between·them.·The·resulting·values·will·probably·be·more |
| 599 | misleading·than·informative.</p><p>Instead·use·<a·href="#utilization/2"><code·class="inline">scheduler:utilization/2</code></a>·and·call | 599 | misleading·than·informative.</p><p>Instead·use·<a·href="#utilization/2"><code·class="inline">scheduler:utilization/2</code></a>·and·call |
| 600 | <a·href="#get_sample/0"><code·class="inline">get_sample/0</code></a>·to·get·samples·with·some·time·in·between.</p></section> | 600 | <a·href="#get_sample/0"><code·class="inline">get_sample/0</code></a>·to·get·samples·with·some·time·in·between.</p></section> |
| 601 | ··</section> | 601 | ··</section> |
| 602 | </section> | 602 | </section> |
| 603 | <section·class="detail"·id="utilization/2"> | 603 | <section·class="detail"·id="utilization/2"> |
| Offset 657, 15 lines modified | Offset 657, 15 lines modified | ||
| 657 | ······<p·class="built-using"> | 657 | ······<p·class="built-using"> |
| 658 | ········Built·using | 658 | ········Built·using |
| 659 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 659 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 660 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 660 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 661 | ······</p> | 661 | ······</p> |
| 662 | <p>Copyright·©·1996-202 | 662 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 663 | ····</footer> | 663 | ····</footer> |
| 664 | ··</div> | 664 | ··</div> |
| 665 | </main> | 665 | </main> |
| 666 | </div> | 666 | </div> |
| 667 | <script> | 667 | <script> |
| 668 | ··function·mermaidLoaded()·{ | 668 | ··function·mermaidLoaded()·{ |
| 669 | ····mermaid.initialize({ | 669 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 290 | ······<p·class="built-using"> | 290 | ······<p·class="built-using"> |
| 291 | ········Built·using | 291 | ········Built·using |
| 292 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 292 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 293 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 293 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 294 | ······</p> | 294 | ······</p> |
| 295 | <p>Copyright·©·1996-202 | 295 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 296 | ····</footer> | 296 | ····</footer> |
| 297 | ··</div> | 297 | ··</div> |
| 298 | </main> | 298 | </main> |
| 299 | </div> | 299 | </div> |
| 300 | <script> | 300 | <script> |
| 301 | ··function·mermaidLoaded()·{ | 301 | ··function·mermaidLoaded()·{ |
| 302 | ····mermaid.initialize({ | 302 | ····mermaid.initialize({ |
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| 209 | ······<p·class="built-using"> | 209 | ······<p·class="built-using"> |
| 210 | ········Built·using | 210 | ········Built·using |
| 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 213 | ······</p> | 213 | ······</p> |
| 214 | <p>Copyright·©·1996-202 | 214 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 215 | ····</footer> | 215 | ····</footer> |
| 216 | ··</div> | 216 | ··</div> |
| 217 | </main> | 217 | </main> |
| 218 | </div> | 218 | </div> |
| 219 | <script> | 219 | <script> |
| 220 | ··function·mermaidLoaded()·{ | 220 | ··function·mermaidLoaded()·{ |
| 221 | ····mermaid.initialize({ | 221 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 404 | ······<p·class="built-using"> | 404 | ······<p·class="built-using"> |
| 405 | ········Built·using | 405 | ········Built·using |
| 406 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 406 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 407 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 407 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 408 | ······</p> | 408 | ······</p> |
| 409 | <p>Copyright·©·1996-202 | 409 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 410 | ····</footer> | 410 | ····</footer> |
| 411 | ··</div> | 411 | ··</div> |
| 412 | </main> | 412 | </main> |
| 413 | </div> | 413 | </div> |
| 414 | <script> | 414 | <script> |
| 415 | ··function·mermaidLoaded()·{ | 415 | ··function·mermaidLoaded()·{ |
| 416 | ····mermaid.initialize({ | 416 | ····mermaid.initialize({ |
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| 208 | ······<p·class="built-using"> | 208 | ······<p·class="built-using"> |
| 209 | ········Built·using | 209 | ········Built·using |
| 210 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 210 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 211 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 211 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 212 | ······</p> | 212 | ······</p> |
| 213 | <p>Copyright·©·1996-202 | 213 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 214 | ····</footer> | 214 | ····</footer> |
| 215 | ··</div> | 215 | ··</div> |
| 216 | </main> | 216 | </main> |
| 217 | </div> | 217 | </div> |
| 218 | <script> | 218 | <script> |
| 219 | ··function·mermaidLoaded()·{ | 219 | ··function·mermaidLoaded()·{ |
| 220 | ····mermaid.initialize({ | 220 | ····mermaid.initialize({ |
| Offset 217, 29 lines modified | Offset 217, 29 lines modified | ||
| 217 | that·is,·if·a·process·using·the·module·spontaneously·switches·to·new·code,·or | 217 | that·is,·if·a·process·using·the·module·spontaneously·switches·to·new·code,·or |
| 218 | if·it·is·"static".·When·doing·an·advanced·update·and·upgrade,·the·new·version | 218 | if·it·is·"static".·When·doing·an·advanced·update·and·upgrade,·the·new·version |
| 219 | of·a·dynamic·module·is·loaded·before·the·process·is·asked·to·change·code.·When | 219 | of·a·dynamic·module·is·loaded·before·the·process·is·asked·to·change·code.·When |
| 220 | downgrading,·the·process·is·asked·to·change·code·before·loading·the·new | 220 | downgrading,·the·process·is·asked·to·change·code·before·loading·the·new |
| 221 | version.·For·static·modules,·the·new·version·is·loaded·before·the·process·is | 221 | version.·For·static·modules,·the·new·version·is·loaded·before·the·process·is |
| 222 | asked·to·change·code,·both·in·the·case·of·upgrading·and·downgrading.·Callback | 222 | asked·to·change·code,·both·in·the·case·of·upgrading·and·downgrading.·Callback |
| 223 | modules·are·dynamic.</p></li></ul><p><code·class="inline">update</code>·with·argument·<code·class="inline">supervisor</code>·is·used·when·changing·the·start | 223 | modules·are·dynamic.</p></li></ul><p><code·class="inline">update</code>·with·argument·<code·class="inline">supervisor</code>·is·used·when·changing·the·start |
| 224 | specification·of·a·supervisor.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 224 | specification·of·a·supervisor.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8997701354-1">{</span><span·class="nb">load_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p"·data-group-id="8997701354-1">}</span><span·class="w"> |
| 225 | </span><span·class="p"·data-group-id=" | 225 | </span><span·class="p"·data-group-id="8997701354-2">{</span><span·class="nb">load_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">DepMods</span><span·class="p"·data-group-id="8997701354-2">}</span><span·class="w"> |
| 226 | </span><span·class="p"·data-group-id=" | 226 | </span><span·class="p"·data-group-id="8997701354-3">{</span><span·class="nb">load_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">PrePurge</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·153,·SHA:·6d583e176f9b9738943bc5280ba9b508e56462b0a5ef539f148f8531a8ed5a08·...·]-3">}</span><span·class="w"> |
| 227 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 227 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="8997701354-4">(</span><span·class="p"·data-group-id="8997701354-4">)</span><span·class="w"> |
| 228 | ··</span><span·class="n">PrePurge</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">PostPurge</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">soft_purge</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">brutal_purge</span><span·class="w"> | 228 | ··</span><span·class="n">PrePurge</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">PostPurge</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">soft_purge</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">brutal_purge</span><span·class="w"> |
| 229 | ··</span><span·class="n">DepMods</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 229 | ··</span><span·class="n">DepMods</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8997701354-5">[</span><span·class="n">Mod</span><span·class="p"·data-group-id="8997701354-5">]</span></code></pre><p>Simple·code·replacement·of·the·module·<code·class="inline">Mod</code>.</p><p>For·a·description·of·<code·class="inline">PrePurge</code>·and·<code·class="inline">PostPurge</code>,·see·<code·class="inline">update</code>·above.</p><p><code·class="inline">DepMods</code>·defaults·to·<code·class="inline">[]</code>·and·defines·which·other·modules·<code·class="inline">Mod</code>·is·dependent |
| 230 | on.·In·the·<code·class="inline">relup</code>·file,·instructions·for·loading·these·modules·come·before·the | 230 | on.·In·the·<code·class="inline">relup</code>·file,·instructions·for·loading·these·modules·come·before·the |
| 231 | instruction·for·loading·<code·class="inline">Mod</code>·when·upgrading,·and·conversely·when·downgrading.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="40 | 231 | instruction·for·loading·<code·class="inline">Mod</code>·when·upgrading,·and·conversely·when·downgrading.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5340891067-1">{</span><span·class="ss">add_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p"·data-group-id="5340891067-1">}</span><span·class="w"> |
| 232 | </span><span·class="p"·data-group-id="40 | 232 | </span><span·class="p"·data-group-id="5340891067-2">{</span><span·class="ss">add_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">DepMods</span><span·class="p"·data-group-id="5340891067-2">}</span><span·class="w"> |
| 233 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="40 | 233 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="5340891067-3">(</span><span·class="p"·data-group-id="5340891067-3">)</span><span·class="w"> |
| 234 | ··</span><span·class="n">DepMods</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="40 | 234 | ··</span><span·class="n">DepMods</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5340891067-4">[</span><span·class="n">Mod</span><span·class="p"·data-group-id="5340891067-4">]</span></code></pre><p>Loads·a·new·module·<code·class="inline">Mod</code>.</p><p><code·class="inline">DepMods</code>·defaults·to·<code·class="inline">[]</code>·and·defines·which·other·modules·<code·class="inline">Mod</code>·is·dependent |
| 235 | on.·In·the·<code·class="inline">relup</code>·file,·instructions·related·to·these·modules·come·before·the | 235 | on.·In·the·<code·class="inline">relup</code>·file,·instructions·related·to·these·modules·come·before·the |
| 236 | instruction·for·loading·<code·class="inline">Mod</code>·when·upgrading,·and·conversely·when·downgrading.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7 | 236 | instruction·for·loading·<code·class="inline">Mod</code>·when·upgrading,·and·conversely·when·downgrading.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7966998024-1">{</span><span·class="nb">delete_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p"·data-group-id="7966998024-1">}</span><span·class="w"> |
| 237 | </span><span·class="p"·data-group-id="7 | 237 | </span><span·class="p"·data-group-id="7966998024-2">{</span><span·class="nb">delete_module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">DepMods</span><span·class="p"·data-group-id="7966998024-2">}</span><span·class="w"> |
| 238 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="7 | 238 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="7966998024-3">(</span><span·class="p"·data-group-id="7966998024-3">)</span></code></pre><p>Deletes·a·module·<code·class="inline">Mod</code>·using·the·low-level·instructions·<code·class="inline">remove</code>·and·<code·class="inline">purge</code>.</p><p><code·class="inline">DepMods</code>·defaults·to·<code·class="inline">[]</code>·and·defines·which·other·modules·<code·class="inline">Mod</code>·is·dependent |
| 239 | on.·In·the·<code·class="inline">relup</code>·file,·instructions·related·to·these·modules·come·before·the | 239 | on.·In·the·<code·class="inline">relup</code>·file,·instructions·related·to·these·modules·come·before·the |
| 240 | instruction·for·removing·<code·class="inline">Mod</code>·when·upgrading,·and·conversely·when·downgrading.</p><pre><code·class="text">{add_application,·Application} | 240 | instruction·for·removing·<code·class="inline">Mod</code>·when·upgrading,·and·conversely·when·downgrading.</p><pre><code·class="text">{add_application,·Application} |
| 241 | {add_application,·Application,·Type} | 241 | {add_application,·Application,·Type} |
| 242 | ··Application·=·atom() | 242 | ··Application·=·atom() |
| 243 | ··Type·=·permanent·|·transient·|·temporary·|·load·|·none</code></pre><p>Adding·an·application·means·that·the·modules·defined·by·the·<code·class="inline">modules</code>·key·in·the | 243 | ··Type·=·permanent·|·transient·|·temporary·|·load·|·none</code></pre><p>Adding·an·application·means·that·the·modules·defined·by·the·<code·class="inline">modules</code>·key·in·the |
| 244 | <code·class="inline">.app</code>·file·are·loaded·using·<code·class="inline">add_module</code>.</p><p><code·class="inline">Type</code>·defaults·to·<code·class="inline">permanent</code>·and·specifies·the·start·type·of·the·application. | 244 | <code·class="inline">.app</code>·file·are·loaded·using·<code·class="inline">add_module</code>.</p><p><code·class="inline">Type</code>·defaults·to·<code·class="inline">permanent</code>·and·specifies·the·start·type·of·the·application. |
| 245 | If·<code·class="inline">Type·=·permanent·|·transient·|·temporary</code>,·the·application·is·loaded·and | 245 | If·<code·class="inline">Type·=·permanent·|·transient·|·temporary</code>,·the·application·is·loaded·and |
| Offset 258, 62 lines modified | Offset 258, 62 lines modified | ||
| 258 | application·is·not·loaded·and·not·started,·although·the·code·for·its·modules·is | 258 | application·is·not·loaded·and·not·started,·although·the·code·for·its·modules·is |
| 259 | loaded.</p><h3·id="low-level-instructions"·class="section-heading"> | 259 | loaded.</p><h3·id="low-level-instructions"·class="section-heading"> |
| 260 | ··<a·href="#low-level-instructions"·class="hover-link"> | 260 | ··<a·href="#low-level-instructions"·class="hover-link"> |
| 261 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 261 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 262 | ··</a> | 262 | ··</a> |
| 263 | ··<span·class="text">Low-Level·Instructions</span> | 263 | ··<span·class="text">Low-Level·Instructions</span> |
| 264 | </h3> | 264 | </h3> |
| 265 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 265 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7845351065-1">{</span><span·class="ss">load_object_code</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7845351065-2">{</span><span·class="n">App</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Vsn[·...·truncated·by·diffoscope;·len:·281,·SHA:·404ee10d199be357fd377822360a76938652524f77240261bb2c7a5105a69501·...·]-1">}</span><span·class="w"> |
| 266 | ··</span><span·class="n">App</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 266 | ··</span><span·class="n">App</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="7845351065-4">(</span><span·class="p"·data-group-id="7845351065-4">)</span><span·class="w"> |
| 267 | ··</span><span·class="n">Vsn</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 267 | ··</span><span·class="n">Vsn</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="7845351065-5">(</span><span·class="p"·data-group-id="7845351065-5">)</span></code></pre><p>Reads·each·<code·class="inline">Mod</code>·from·directory·<code·class="inline">App-Vsn/ebin</code>·as·a·binary.·It·does·not·load·the |
| 268 | modules.·The·instruction·is·to·be·placed·first·in·the·script·to·read·all·new | 268 | modules.·The·instruction·is·to·be·placed·first·in·the·script·to·read·all·new |
| 269 | code·from·the·file·to·make·the·suspend-load-resume·cycle·less·time-consuming.</p><pre><code·class="text">point_of_no_return</code></pre><p>If·a·crash·occurs·after·this·instruction,·the·system·cannot·recover·and·is | 269 | code·from·the·file·to·make·the·suspend-load-resume·cycle·less·time-consuming.</p><pre><code·class="text">point_of_no_return</code></pre><p>If·a·crash·occurs·after·this·instruction,·the·system·cannot·recover·and·is |
| 270 | restarted·from·the·old·release·version.·The·instruction·must·only·occur·once·in | 270 | restarted·from·the·old·release·version.·The·instruction·must·only·occur·once·in |
| 271 | a·script.·It·is·to·be·placed·after·all·<code·class="inline">load_object_code</code>·instructions.</p><pre><code·class="text">{load,·{Mod,·PrePurge,·PostPurge}} | 271 | a·script.·It·is·to·be·placed·after·all·<code·class="inline">load_object_code</code>·instructions.</p><pre><code·class="text">{load,·{Mod,·PrePurge,·PostPurge}} |
| 272 | ··Mod·=·atom() | 272 | ··Mod·=·atom() |
| 273 | ··PrePurge·=·PostPurge·=·soft_purge·|·brutal_purge</code></pre><p>Before·this·instruction·occurs,·<code·class="inline">Mod</code>·must·have·been·loaded·using | 273 | ··PrePurge·=·PostPurge·=·soft_purge·|·brutal_purge</code></pre><p>Before·this·instruction·occurs,·<code·class="inline">Mod</code>·must·have·been·loaded·using |
| 274 | <code·class="inline">load_object_code</code>.·This·instruction·loads·the·module.·<code·class="inline">PrePurge</code>·is·ignored. | 274 | <code·class="inline">load_object_code</code>.·This·instruction·loads·the·module.·<code·class="inline">PrePurge</code>·is·ignored. |
| 275 | For·a·description·of·<code·class="inline">PostPurge</code>,·see·the·high-level·instruction·<code·class="inline">update</code> | 275 | For·a·description·of·<code·class="inline">PostPurge</code>,·see·the·high-level·instruction·<code·class="inline">update</code> |
| 276 | earlier.</p><pre><code·class="text">{remove,·{Mod,·PrePurge,·PostPurge}} | 276 | earlier.</p><pre><code·class="text">{remove,·{Mod,·PrePurge,·PostPurge}} |
| 277 | ··Mod·=·atom() | 277 | ··Mod·=·atom() |
| 278 | ··PrePurge·=·PostPurge·=·soft_purge·|·brutal_purge</code></pre><p>Makes·the·current·version·of·<code·class="inline">Mod</code>·old.·<code·class="inline">PrePurge</code>·is·ignored.·For·a·description | 278 | ··PrePurge·=·PostPurge·=·soft_purge·|·brutal_purge</code></pre><p>Makes·the·current·version·of·<code·class="inline">Mod</code>·old.·<code·class="inline">PrePurge</code>·is·ignored.·For·a·description |
| 279 | of·<code·class="inline">PostPurge</code>,·see·the·high-level·instruction·<code·class="inline">update</code>·earlier.</p><pre><code·class="text">{purge,·[Mod]} | 279 | of·<code·class="inline">PostPurge</code>,·see·the·high-level·instruction·<code·class="inline">update</code>·earlier.</p><pre><code·class="text">{purge,·[Mod]} |
| 280 | ··Mod·=·atom()</code></pre><p>Purges·each·module·<code·class="inline">Mod</code>,·that·is,·removes·the·old·code.·Notice·that·any·process | 280 | ··Mod·=·atom()</code></pre><p>Purges·each·module·<code·class="inline">Mod</code>,·that·is,·removes·the·old·code.·Notice·that·any·process |
| 281 | executing·purged·code·is·killed.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 281 | executing·purged·code·is·killed.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2863489822-1">{</span><span·class="ss">suspend</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2863489822-2">[</span><span·class="n">Mod</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·300,·SHA:·783c4cab713d7edf2287312afe6fad9bccca3e269a1d005bd16b9e5f58bfd562·...·]-1">}</span><span·class="w"> |
| 282 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 282 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="2863489822-4">(</span><span·class="p"·data-group-id="2863489822-4">)</span><span·class="w"> |
| 283 | ··</span><span·class="n">Timeout</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id=" | 283 | ··</span><span·class="n">Timeout</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id="2863489822-5">(</span><span·class="p"·data-group-id="2863489822-5">)</span><span·class="o">></span><span·class="mi">0</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">default</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">infinity</span></code></pre><p>Tries·to·suspend·all·processes·using·a·module·<code·class="inline">Mod</code>.·If·a·process·does·not |
| 284 | respond,·it·is·ignored.·This·can·cause·the·process·to·die,·either·because·it | 284 | respond,·it·is·ignored.·This·can·cause·the·process·to·die,·either·because·it |
| 285 | crashes·when·it·spontaneously·switches·to·new·code,·or·as·a·result·of·a·purge | 285 | crashes·when·it·spontaneously·switches·to·new·code,·or·as·a·result·of·a·purge |
| 286 | operation.·If·no·<code·class="inline">Timeout</code>·is·specified·or·<code·class="inline">default</code>·is·specified,·the·default | 286 | operation.·If·no·<code·class="inline">Timeout</code>·is·specified·or·<code·class="inline">default</code>·is·specified,·the·default |
| 287 | value·for·<a·href="../../../../lib/stdlib-6.2.1/doc/html/sys.html#suspend/1"><code·class="inline">sys:suspend</code></a>·is·used.</p><pre><code·class="text">{resume,·[Mod]} | 287 | value·for·<a·href="../../../../lib/stdlib-6.2.1/doc/html/sys.html#suspend/1"><code·class="inline">sys:suspend</code></a>·is·used.</p><pre><code·class="text">{resume,·[Mod]} |
| 288 | ··Mod·=·atom()</code></pre><p>Resumes·all·suspended·processes·using·a·module·<code·class="inline">Mod</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 288 | ··Mod·=·atom()</code></pre><p>Resumes·all·suspended·processes·using·a·module·<code·class="inline">Mod</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3438953490-1">{</span><span·class="ss">code_change</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3438953490-2">[</span><span·class="p"·data-group-id="3438953490-3">{</span><span·class="n">Mod</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·204,·SHA:·97492ba91e39842b375d98cb79e19e3afb648a10c3e68d0d067c5b5751d294fe·...·]-1">}</span><span·class="w"> |
| 289 | </span><span·class="p"·data-group-id=" | 289 | </span><span·class="p"·data-group-id="3438953490-4">{</span><span·class="ss">code_change</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mode</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3438953490-5">[</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·279,·SHA:·b1912c6a4051364af6977d4b47d0a949ed187610bb7fc4f89c17e24725a25066·...·]-4">}</span><span·class="w"> |
| 290 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 290 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="3438953490-7">(</span><span·class="p"·data-group-id="3438953490-7">)</span><span·class="w"> |
| 291 | ··</span><span·class="n">Mode</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">up</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">down</span><span·class="w"> | 291 | ··</span><span·class="n">Mode</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">up</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">down</span><span·class="w"> |
| 292 | ··</span><span·class="n">Extra</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 292 | ··</span><span·class="n">Extra</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="3438953490-8">(</span><span·class="p"·data-group-id="3438953490-8">)</span></code></pre><p><code·class="inline">Mode</code>·defaults·to·<code·class="inline">up</code>·and·specifies·if·it·is·an·upgrade·or·downgrade.·This |
| 293 | instruction·sends·a·<code·class="inline">code_change</code>·system·message·to·all·processes·using·a·module | 293 | instruction·sends·a·<code·class="inline">code_change</code>·system·message·to·all·processes·using·a·module |
| 294 | <code·class="inline">Mod</code>·by·calling·function·<a·href="../../../../lib/stdlib-6.2.1/doc/html/sys.html#change_code/4"><code·class="inline">sys:change_code</code></a>,·passing·term | 294 | <code·class="inline">Mod</code>·by·calling·function·<a·href="../../../../lib/stdlib-6.2.1/doc/html/sys.html#change_code/4"><code·class="inline">sys:change_code</code></a>,·passing·term |
| 295 | <code·class="inline">Extra</code>·as·argument.</p><pre><code·class="text">{stop,·[Mod]} | 295 | <code·class="inline">Extra</code>·as·argument.</p><pre><code·class="text">{stop,·[Mod]} |
| 296 | ··Mod·=·atom()</code></pre><p>Stops·all·processes·using·a·module·<code·class="inline">Mod</code>·by·calling | 296 | ··Mod·=·atom()</code></pre><p>Stops·all·processes·using·a·module·<code·class="inline">Mod</code>·by·calling |
| 297 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/supervisor.html#terminate_child/2"><code·class="inline">supervisor:terminate_child/2</code></a>.·This·instruction·is·useful·when·the·simplest·way | 297 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/supervisor.html#terminate_child/2"><code·class="inline">supervisor:terminate_child/2</code></a>.·This·instruction·is·useful·when·the·simplest·way |
| 298 | to·change·code·is·to·stop·and·restart·the·processes·that·run·the·code.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 298 | to·change·code·is·to·stop·and·restart·the·processes·that·run·the·code.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9223411105-1">{</span><span·class="ss">start</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9223411105-2">[</span><span·class="n">Mod</span><span·class="p"·data-group-id="9223411105-2">]</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·15,·SHA:·144177758b6fceacc27d99e1717c8a8de54f1157a060453e3ea6d32e8655cbcd·...·]5-1">}</span><span·class="w"> |
| 299 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 299 | ··</span><span·class="n">Mod</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="9223411105-3">(</span><span·class="p"·data-group-id="9223411105-3">)</span></code></pre><p>Starts·all·stopped·processes·using·a·module·<code·class="inline">Mod</code>·by·calling |
| 300 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/supervisor.html#restart_child/2"><code·class="inline">supervisor:restart_child/2</code></a>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 300 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/supervisor.html#restart_child/2"><code·class="inline">supervisor:restart_child/2</code></a>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8077388495-1">{</span><span·class="ss">sync_nodes</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Id</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8077388495-2">[</span><span·class="n">Node</span[·...·truncated·by·diffoscope;·len:·95,·SHA:·c307eed93c67434d71764fcbcb3e843f8aa645b164dc7024d402cef9566c5a19·...·]-1">}</span><span·class="w"> |
| 301 | </span><span·class="p"·data-group-id=" | 301 | </span><span·class="p"·data-group-id="8077388495-3">{</span><span·class="ss">sync_nodes</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Id</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8077388495-4">{</span><span·class="n">M</span><s[·...·truncated·by·diffoscope;·len:·236,·SHA:·a5825e95388876d544bb0a370ba1b3fa5553a5d5bb044072aa9d76c57a942661·...·]-3">}</span><span·class="w"> |
| 302 | ··</span><span·class="n">Id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 302 | ··</span><span·class="n">Id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="8077388495-5">(</span><span·class="p"·data-group-id="8077388495-5">)</span><span·class="w"> |
| 303 | ··</span><span·class="n">Node</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">node</span><span·class="p"·data-group-id=" | 303 | ··</span><span·class="n">Node</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">node</span><span·class="p"·data-group-id="8077388495-6">(</span><span·class="p"·data-group-id="8077388495-6">)</span><span·class="w"> |
| 304 | ··</span><span·class="n">M</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 304 | ··</span><span·class="n">M</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="8077388495-7">(</span><span·class="p"·data-group-id="8077388495-7">)</span><span·class="w"> |
| 305 | ··</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 305 | ··</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8077388495-8">[</span><span·class="nf">term</span><span·class="p"·data-group-id="8077388495-9">(</span><span·class="p"·data-group-id="8077388495-9">)</span><span·class="p"·data-group-id="8077388495-8">]</span></code></pre><p><a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(M,·F,·A)</code></a>·must·return·a·list·of·nodes.</p><p>This·instruction·synchronizes·the·release·installation·with·other·nodes.·Each |
| 306 | <code·class="inline">Node</code>·must·evaluate·this·command·with·the·same·<code·class="inline">Id</code>.·The·local·node·waits·for | 306 | <code·class="inline">Node</code>·must·evaluate·this·command·with·the·same·<code·class="inline">Id</code>.·The·local·node·waits·for |
| 307 | all·other·nodes·to·evaluate·the·instruction·before·execution·continues.·If·a | 307 | all·other·nodes·to·evaluate·the·instruction·before·execution·continues.·If·a |
| 308 | node·goes·down,·it·is·considered·to·be·an·unrecoverable·error,·and·the·local | 308 | node·goes·down,·it·is·considered·to·be·an·unrecoverable·error,·and·the·local |
| 309 | node·is·restarted·from·the·old·release.·There·is·no·time-out·for·this | 309 | node·is·restarted·from·the·old·release.·There·is·no·time-out·for·this |
| 310 | instruction,·which·means·that·it·can·hang·forever.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 310 | instruction,·which·means·that·it·can·hang·forever.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0380760822-1">{</span><span·class="nb">apply</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0380760822-2">{</span><span·class="n">M</span><span·class="p">,</span><span·class="w">·</span><span·class="n">F</span><span·cl[·...·truncated·by·diffoscope;·len:·158,·SHA:·c4839d5ac2c9b189ca848788fffeba0671bed7ce39a4bd89816d821731a12366·...·]-1">}</span><span·class="w"> |
| 311 | ··</span><span·class="n">M</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id=" | 311 | ··</span><span·class="n">M</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">atom</span><span·class="p"·data-group-id="0380760822-3">(</span><span·class="p"·data-group-id="0380760822-3">)</span><span·class="w"> |
| 312 | ··</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 312 | ··</span><span·class="n">A</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0380760822-4">[</span><span·class="nf">term</span><span·class="p"·data-group-id="0380760822-5">(</span><span·class="p"·data-group-id="0380760822-5">)</span><span·class="p"·data-group-id="0380760822-4">]</span></code></pre><p>Evaluates·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(M,·F,·A)</code></a>.</p><p>If·the·instruction·appears·before·instruction·<code·class="inline">point_of_no_return</code>,·a·failure·is |
| 313 | caught.·<a·href="release_handler.html#install_release/1"><code·class="inline">release_handler:install_release/1</code></a>·then·returns | 313 | caught.·<a·href="release_handler.html#install_release/1"><code·class="inline">release_handler:install_release/1</code></a>·then·returns |
| 314 | <code·class="inline">{error,{'EXIT',Reason}}</code>,·unless·<code·class="inline">{error,Error}</code>·is·thrown·or·returned.·Then·it | 314 | <code·class="inline">{error,{'EXIT',Reason}}</code>,·unless·<code·class="inline">{error,Error}</code>·is·thrown·or·returned.·Then·it |
| 315 | returns·<code·class="inline">{error,Error}</code>.</p><p>If·the·instruction·appears·after·instruction·<code·class="inline">point_of_no_return</code>·and·the | 315 | returns·<code·class="inline">{error,Error}</code>.</p><p>If·the·instruction·appears·after·instruction·<code·class="inline">point_of_no_return</code>·and·the |
| 316 | function·call·fails,·the·system·is·restarted.</p><pre><code·class="text">restart_new_emulator</code></pre><p>This·instruction·is·used·when·the·application·ERTS,·Kernel,·STDLIB,·or·SASL·is | 316 | function·call·fails,·the·system·is·restarted.</p><pre><code·class="text">restart_new_emulator</code></pre><p>This·instruction·is·used·when·the·application·ERTS,·Kernel,·STDLIB,·or·SASL·is |
| 317 | upgraded.·It·shuts·down·the·current·emulator·and·starts·a·new·one.·All·processes | 317 | upgraded.·It·shuts·down·the·current·emulator·and·starts·a·new·one.·All·processes |
| 318 | are·terminated·gracefully,·and·the·new·version·of·ERTS,·Kernel,·STDLIB,·and·SASL | 318 | are·terminated·gracefully,·and·the·new·version·of·ERTS,·Kernel,·STDLIB,·and·SASL |
| 319 | are·used·when·the·emulator·restarts.·Only·one·<code·class="inline">restart_new_emulator</code>·instruction | 319 | are·used·when·the·emulator·restarts.·Only·one·<code·class="inline">restart_new_emulator</code>·instruction |
| Offset 391, 15 lines modified | Offset 391, 15 lines modified | ||
| 391 | ······<p·class="built-using"> | 391 | ······<p·class="built-using"> |
| 392 | ········Built·using | 392 | ········Built·using |
| 393 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 393 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 394 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 394 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 395 | ······</p> | 395 | ······</p> |
| 396 | <p>Copyright·©·1996-202 | 396 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 397 | ····</footer> | 397 | ····</footer> |
| 398 | ··</div> | 398 | ··</div> |
| 399 | </main> | 399 | </main> |
| 400 | </div> | 400 | </div> |
| 401 | <script> | 401 | <script> |
| 402 | ··function·mermaidLoaded()·{ | 402 | ··function·mermaidLoaded()·{ |
| 403 | ····mermaid.initialize({ | 403 | ····mermaid.initialize({ |
| Offset 304, 50 lines modified | Offset 304, 50 lines modified | ||
| 304 | ········ok</code></pre><h3·id="show-reports"·class="section-heading"> | 304 | ········ok</code></pre><h3·id="show-reports"·class="section-heading"> |
| 305 | ··<a·href="#show-reports"·class="hover-link"> | 305 | ··<a·href="#show-reports"·class="hover-link"> |
| 306 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 306 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 307 | ··</a> | 307 | ··</a> |
| 308 | ··<span·class="text">Show·Reports</span> | 308 | ··<span·class="text">Show·Reports</span> |
| 309 | </h3> | 309 | </h3> |
| 310 | <p>Use·function·<a·href="rb.html#show/1"><code·class="inline">rb:show(Number)</code></a>·to·show·details·of·a·specific | 310 | <p>Use·function·<a·href="rb.html#show/1"><code·class="inline">rb:show(Number)</code></a>·to·show·details·of·a·specific |
| 311 | report:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">7>·</span><span·class="nc">rb</span><span·class="p">:</span><span·class="nf">show</span><span·class="p"·data-group-id=" | 311 | report:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">7>·</span><span·class="nc">rb</span><span·class="p">:</span><span·class="nf">show</span><span·class="p"·data-group-id="0172133837-1">(</span><span·class="mi">4</span><span·class="p"·data-group-id="0172133837-1">)</span><span·class="p">.</span><span·class="w"> |
| 312 | </span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="w">··</span><span·class="o"><</span><span·class="mf">0.20</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">···································</span><span·class="mi">1996</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">16</span><span·class="w">·</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">36</span><span·class="w"> | 312 | </span><span·class="n">PROGRESS</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="w">··</span><span·class="o"><</span><span·class="mf">0.20</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">···································</span><span·class="mi">1996</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">16</span><span·class="w">·</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">36</span><span·class="w"> |
| 313 | </span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> | 313 | </span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> |
| 314 | </span><span·class="ss">supervisor</span><span·class="w">·····················································</span><span·class="p"·data-group-id=" | 314 | </span><span·class="ss">supervisor</span><span·class="w">·····················································</span><span·class="p"·data-group-id="0172133837-2">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="ss">sasl_sup</span><span·class="p"·data-group-id="0172133837-2">}</span><span·class="w"> |
| 315 | </span><span·class="ss">started</span><span·class="w"> | 315 | </span><span·class="ss">started</span><span·class="w"> |
| 316 | </span><span·class="p"·data-group-id=" | 316 | </span><span·class="p"·data-group-id="0172133837-3">[</span><span·class="p"·data-group-id="0172133837-4">{</span><span·class="ss">pid</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.24</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span[·...·truncated·by·diffoscope;·len:·42,·SHA:·aa3d5cd88236c342df62dffe05e825a1579651b57ed60bfdd05d31b568bc04bf·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 317 | </span><span·class="p"·data-group-id=" | 317 | </span><span·class="p"·data-group-id="0172133837-5">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="ss">release_handler</span><span·class="p"·data-group-id="0172133837-5">}</span><span·class="p">,</span><span·class="w"> |
| 318 | </span><span·class="p"·data-group-id=" | 318 | </span><span·class="p"·data-group-id="0172133837-6">{</span><span·class="ss">mfa</span><span·class="p">,</span><span·class="p"·data-group-id="0172133837-7">{</span><span·class="ss">release_handler</span><span·class="p">,</span><span·class="ss">start_link</span><span·class="p">,</span><span·cla[·...·truncated·by·diffoscope;·len:·191,·SHA:·aee46f71d6eca5061221a1db6ea7941c45e4082c7bb069441fb569d92e77a431·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 319 | </span><span·class="p"·data-group-id=" | 319 | </span><span·class="p"·data-group-id="0172133837-9">{</span><span·class="ss">restart_type</span><span·class="p">,</span><span·class="ss">permanent</span><span·class="p"·data-group-id="0172133837-9">}</span><span·class="p">,</span><span·class="w"> |
| 320 | </span><span·class="p"·data-group-id=" | 320 | </span><span·class="p"·data-group-id="0172133837-10">{</span><span·class="ss">shutdown</span><span·class="p">,</span><span·class="mi">2000</span><span·class="p"·data-group-id="0172133837-10">}</span><span·class="p">,</span><span·class="w"> |
| 321 | </span><span·class="p"·data-group-id=" | 321 | </span><span·class="p"·data-group-id="0172133837-11">{</span><span·class="ss">child_type</span><span·class="p">,</span><span·class="ss">worker</span><span·class="p"·data-group-id="0172133837-11">}</span><span·class="p"·data-group-id="0172133837-3">]</span><span·class="w"> |
| 322 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 322 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 323 | 8>·</span><span·class="nc">rb</span><span·class="p">:</span><span·class="nf">show</span><span·class="p"·data-group-id=" | 323 | 8>·</span><span·class="nc">rb</span><span·class="p">:</span><span·class="nf">show</span><span·class="p"·data-group-id="0172133837-12">(</span><span·class="mi">9</span><span·class="p"·data-group-id="0172133837-12">)</span><span·class="p">.</span><span·class="w"> |
| 324 | </span><span·class="n">CRASH</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="w">··</span><span·class="o"><</span><span·class="mf">0.24</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">······································</span><span·class="mi">1996</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">16</span><span·class="w">·</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">21</span><span·class="w"> | 324 | </span><span·class="n">CRASH</span><span·class="w">·</span><span·class="n">REPORT</span><span·class="w">··</span><span·class="o"><</span><span·class="mf">0.24</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">······································</span><span·class="mi">1996</span><span·class="o">-</span><span·class="mi">10</span><span·class="o">-</span><span·class="mi">16</span><span·class="w">·</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">16</span><span·class="p">:</span><span·class="mi">21</span><span·class="w"> |
| 325 | </span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> | 325 | </span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">==</span><span·class="o">=</span><span·class="w"> |
| 326 | </span><span·class="n">Crashing</span><span·class="w">·</span><span·class="ss">process</span><span·class="w"> | 326 | </span><span·class="n">Crashing</span><span·class="w">·</span><span·class="ss">process</span><span·class="w"> |
| 327 | </span><span·class="ss">pid</span><span·class="w">·································································</span><span·class="o"><</span><span·class="mf">0.24</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w"> | 327 | </span><span·class="ss">pid</span><span·class="w">·································································</span><span·class="o"><</span><span·class="mf">0.24</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w"> |
| 328 | </span><span·class="ss">registered_name</span><span·class="w">··············································</span><span·class="ss">release_handler</span><span·class="w"> | 328 | </span><span·class="ss">registered_name</span><span·class="w">··············································</span><span·class="ss">release_handler</span><span·class="w"> |
| 329 | </span><span·class="ss">error_info</span><span·class="w">·····························</span><span·class="p"·data-group-id=" | 329 | </span><span·class="ss">error_info</span><span·class="w">·····························</span><span·class="p"·data-group-id="0172133837-13">{</span><span·class="ss">undef</span><span·class="p">,</span><span·class="p"·data-group-id="0172133837-14">{</span><span·class="ss">release_handler</span><span·class="p">,</span><span·class="ss">mbj_func</span><span·class="p">,</span><span·c[·...·truncated·by·diffoscope;·len:·196,·SHA:·bc0ff33c818aa608d05abfb29db573bed24fa8f72497a06c962d76ec228a2cb2·...·]-13">}</span><span·class="w"> |
| 330 | </span><span·class="ss">initial_call</span><span·class="w"> | 330 | </span><span·class="ss">initial_call</span><span·class="w"> |
| 331 | </span><span·class="p"·data-group-id=" | 331 | </span><span·class="p"·data-group-id="0172133837-16">{</span><span·class="ss">gen</span><span·class="p">,</span><span·class="ss">init_it</span><span·class="p">,</span><span·class="w"> |
| 332 | </span><span·class="p"·data-group-id=" | 332 | </span><span·class="p"·data-group-id="0172133837-17">[</span><span·class="ss">gen_server</span><span·class="p">,</span><span·class="w"> |
| 333 | </span><span·class="o"><</span><span·class="mf">0.20</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="w"> | 333 | </span><span·class="o"><</span><span·class="mf">0.20</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="w"> |
| 334 | </span><span·class="o"><</span><span·class="mf">0.20</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="w"> | 334 | </span><span·class="o"><</span><span·class="mf">0.20</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="w"> |
| 335 | </span><span·class="p"·data-group-id=" | 335 | </span><span·class="p"·data-group-id="0172133837-18">{</span><span·class="ss">erlang</span><span·class="p">,</span><span·class="nb">register</span><span·class="p"·data-group-id="0172133837-18">}</span><span·class="p">,</span><span·class="w"> |
| 336 | </span><span·class="ss">release_handler</span><span·class="p">,</span><span·class="w"> | 336 | </span><span·class="ss">release_handler</span><span·class="p">,</span><span·class="w"> |
| 337 | </span><span·class="ss">release_handler</span><span·class="p">,</span><span·class="w"> | 337 | </span><span·class="ss">release_handler</span><span·class="p">,</span><span·class="w"> |
| 338 | </span><span·class="p"·data-group-id=" | 338 | </span><span·class="p"·data-group-id="0172133837-19">[</span><span·class="p"·data-group-id="0172133837-19">]</span><span·class="p">,</span><span·class="w"> |
| 339 | </span><span·class="p"·data-group-id=" | 339 | </span><span·class="p"·data-group-id="0172133837-20">[</span><span·class="p"·data-group-id="0172133837-20">]</span><span·class="p"·data-group-id="0172133837-17">]</span><span·class="p"·data-group-id="0172133837-16">}</span><span·class="w"> |
| 340 | </span><span·class="ss">ancestors</span><span·class="w">················································</span><span·class="p"·data-group-id=" | 340 | </span><span·class="ss">ancestors</span><span·class="w">················································</span><span·class="p"·data-group-id="0172133837-21">[</span><span·class="ss">sasl_sup</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.18</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="0172133837-21">]</span><span·class="w"> |
| 341 | </span><span·class="ss">messages</span><span·class="w">··································································</span><span·class="p"·data-group-id=" | 341 | </span><span·class="ss">messages</span><span·class="w">··································································</span><span·class="p"·data-group-id="0172133837-22">[</span><span·class="p"·data-group-id="0172133837-22">]</span><span·class="w"> |
| 342 | </span><span·class="ss">links</span><span·class="w">····················································</span><span·class="p"·data-group-id=" | 342 | </span><span·class="ss">links</span><span·class="w">····················································</span><span·class="p"·data-group-id="0172133837-23">[</span><span·class="o"><</span><span·class="mf">0.23</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.20</span><span·class="p">.</span[·...·truncated·by·diffoscope;·len:·94,·SHA:·d43070785fe6ac4f3a8a2db8ad1ba5106b050b1555b244c5c2bdf66b666df316·...·]-23">]</span><span·class="w"> |
| 343 | </span><span·class="ss">dictionary</span><span·class="w">································································</span><span·class="p"·data-group-id=" | 343 | </span><span·class="ss">dictionary</span><span·class="w">································································</span><span·class="p"·data-group-id="0172133837-24">[</span><span·class="p"·data-group-id="0172133837-24">]</span><span·class="w"> |
| 344 | </span><span·class="ss">trap_exit</span><span·class="w">······························································</span><span·class="ss">false</span><span·class="w"> | 344 | </span><span·class="ss">trap_exit</span><span·class="w">······························································</span><span·class="ss">false</span><span·class="w"> |
| 345 | </span><span·class="ss">status</span><span·class="w">·······························································</span><span·class="ss">running</span><span·class="w"> | 345 | </span><span·class="ss">status</span><span·class="w">·······························································</span><span·class="ss">running</span><span·class="w"> |
| 346 | </span><span·class="ss">heap_size</span><span·class="w">································································</span><span·class="mi">610</span><span·class="w"> | 346 | </span><span·class="ss">heap_size</span><span·class="w">································································</span><span·class="mi">610</span><span·class="w"> |
| 347 | </span><span·class="ss">stack_size</span><span·class="w">·······························································</span><span·class="mi">142</span><span·class="w"> | 347 | </span><span·class="ss">stack_size</span><span·class="w">·······························································</span><span·class="mi">142</span><span·class="w"> |
| 348 | </span><span·class="ss">reductions</span><span·class="w">································································</span><span·class="mi">54</span><span·class="w"> | 348 | </span><span·class="ss">reductions</span><span·class="w">································································</span><span·class="mi">54</span><span·class="w"> |
| 349 | </span><span·class="ss">ok</span></code></pre><h3·id="search-reports"·class="section-heading"> | 349 | </span><span·class="ss">ok</span></code></pre><h3·id="search-reports"·class="section-heading"> |
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| 481 | ······<p·class="built-using"> | 481 | ······<p·class="built-using"> |
| 482 | ········Built·using | 482 | ········Built·using |
| 483 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 483 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 484 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 484 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 485 | ······</p> | 485 | ······</p> |
| 486 | <p>Copyright·©·1996-202 | 486 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 487 | ····</footer> | 487 | ····</footer> |
| 488 | ··</div> | 488 | ··</div> |
| 489 | </main> | 489 | </main> |
| 490 | </div> | 490 | </div> |
| 491 | <script> | 491 | <script> |
| 492 | ··function·mermaidLoaded()·{ | 492 | ··function·mermaidLoaded()·{ |
| 493 | ····mermaid.initialize({ | 493 | ····mermaid.initialize({ |
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| 1159 | ······<p·class="built-using"> | 1159 | ······<p·class="built-using"> |
| 1160 | ········Built·using | 1160 | ········Built·using |
| 1161 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1161 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1162 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1162 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1163 | ······</p> | 1163 | ······</p> |
| 1164 | <p>Copyright·©·1996-202 | 1164 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1165 | ····</footer> | 1165 | ····</footer> |
| 1166 | ··</div> | 1166 | ··</div> |
| 1167 | </main> | 1167 | </main> |
| 1168 | </div> | 1168 | </div> |
| 1169 | <script> | 1169 | <script> |
| 1170 | ··function·mermaidLoaded()·{ | 1170 | ··function·mermaidLoaded()·{ |
| 1171 | ····mermaid.initialize({ | 1171 | ····mermaid.initialize({ |
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| 1065 | ······<p·class="built-using"> | 1065 | ······<p·class="built-using"> |
| 1066 | ········Built·using | 1066 | ········Built·using |
| 1067 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1067 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1068 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1068 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1069 | ······</p> | 1069 | ······</p> |
| 1070 | <p>Copyright·©·1996-202 | 1070 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1071 | ····</footer> | 1071 | ····</footer> |
| 1072 | ··</div> | 1072 | ··</div> |
| 1073 | </main> | 1073 | </main> |
| 1074 | </div> | 1074 | </div> |
| 1075 | <script> | 1075 | <script> |
| 1076 | ··function·mermaidLoaded()·{ | 1076 | ··function·mermaidLoaded()·{ |
| 1077 | ····mermaid.initialize({ | 1077 | ····mermaid.initialize({ |
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| 136 | (<code·class="inline">.script</code>,·<code·class="inline">.boot</code>)·and·release·upgrade·files·(<code·class="inline">relup</code>).</p><h2·id="file-syntax"·class="section-heading"> | 136 | (<code·class="inline">.script</code>,·<code·class="inline">.boot</code>)·and·release·upgrade·files·(<code·class="inline">relup</code>).</p><h2·id="file-syntax"·class="section-heading"> |
| 137 | ··<a·href="#file-syntax"·class="hover-link"> | 137 | ··<a·href="#file-syntax"·class="hover-link"> |
| 138 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 138 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 139 | ··</a> | 139 | ··</a> |
| 140 | ··<span·class="text">File·Syntax</span> | 140 | ··<span·class="text">File·Syntax</span> |
| 141 | </h2> | 141 | </h2> |
| 142 | <p>The·release·resource·file·is·to·be·called·<code·class="inline">Name.rel</code>.</p><p>The·<code·class="inline">.rel</code>·file·contains·one·single·Erlang·term,·which·is·called·a·<em>release | 142 | <p>The·release·resource·file·is·to·be·called·<code·class="inline">Name.rel</code>.</p><p>The·<code·class="inline">.rel</code>·file·contains·one·single·Erlang·term,·which·is·called·a·<em>release |
| 143 | specification</em>.·The·file·has·the·following·syntax:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9 | 143 | specification</em>.·The·file·has·the·following·syntax:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4995063981-1">{</span><span·class="ss">release</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4995063981-2">{</span><span·class="n">RelName</span><span·class="p">,</span><span·class="n">Vsn</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·276,·SHA:·f2915e3e281aeb78974e4746681b9a1e09d101c7121c037c74da523615d53bdb·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 144 | ··</span><span·class="p"·data-group-id="9 | 144 | ··</span><span·class="p"·data-group-id="4995063981-4">[</span><span·class="p"·data-group-id="4995063981-5">{</span><span·class="n">Application</span><span·class="p">,</span><span·class="w">·</span><span·class="n">AppVsn</span><span·class="p"·data-group-id="4995063981-5">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 145 | ···</span><span·class="p"·data-group-id="9 | 145 | ···</span><span·class="p"·data-group-id="4995063981-6">{</span><span·class="n">Application</span><span·class="p">,</span><span·class="w">·</span><span·class="n">AppVsn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Type</span><span·class="p"·data-group-id="4995063981-6">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 146 | ···</span><span·class="p"·data-group-id="9 | 146 | ···</span><span·class="p"·data-group-id="4995063981-7">{</span><span·class="n">Application</span><span·class="p">,</span><span·class="w">·</span><span·class="n">AppVsn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IncApps</span><span·class="p"·data-group-id="4995063981-7">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 147 | ···</span><span·class="p"·data-group-id="9 | 147 | ···</span><span·class="p"·data-group-id="4995063981-8">{</span><span·class="n">Application</span><span·class="p">,</span><span·class="w">·</span><span·class="n">AppVsn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Type</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·177,·SHA:·1f9630c4fb5ddbe15ecd5300e31087a2f4310337e38355018db6c9e11f2ba99d·...·]-1">}</span><span·class="p">.</span></code></pre><ul><li><p><strong><code·class="inline">RelName·=·string()</code></strong>·-·Release·name.</p></li><li><p><strong><code·class="inline">Vsn·=·string()</code></strong>·-·Release·version.</p></li><li><p><strong><code·class="inline">EVsn·=·string()</code></strong>·-·ERTS·version·the·release·is·intended·for.</p></li><li><p><strong><code·class="inline">Application·=·atom()</code></strong>·-·Name·of·an·application·included·in·the·release.</p></li><li><p><strong><code·class="inline">AppVsn·=·string()</code></strong>·-·Version·of·an·application·included·in·the·release.</p></li><li><p><strong><code·class="inline">Type·=·permanent·|·transient·|·temporary·|·load·|·none</code></strong>·-·Start·type·of |
| 148 | an·application·included·in·the·release.</p><p>If·<code·class="inline">Type·=·permanent·|·transient·|·temporary</code>,·the·application·is·loaded·and | 148 | an·application·included·in·the·release.</p><p>If·<code·class="inline">Type·=·permanent·|·transient·|·temporary</code>,·the·application·is·loaded·and |
| 149 | started·in·the·corresponding·way,·see·<a·href="../../../../lib/kernel-10.2.3/doc/html/application.html"><code·class="inline">application</code></a>.</p><p>If·<code·class="inline">Type·=·load</code>,·the·application·is·only·loaded.</p><p>If·<code·class="inline">Type·=·none</code>,·the·application·is·not·loaded·and·not·started,·although·the | 149 | started·in·the·corresponding·way,·see·<a·href="../../../../lib/kernel-10.2.3/doc/html/application.html"><code·class="inline">application</code></a>.</p><p>If·<code·class="inline">Type·=·load</code>,·the·application·is·only·loaded.</p><p>If·<code·class="inline">Type·=·none</code>,·the·application·is·not·loaded·and·not·started,·although·the |
| 150 | code·for·its·modules·is·loaded.</p><p>Defaults·to·<code·class="inline">permanent</code></p></li><li><p><strong><code·class="inline">IncApps·=·[atom()]</code></strong>·-·A·list·of·applications·that·are·included·by·an | 150 | code·for·its·modules·is·loaded.</p><p>Defaults·to·<code·class="inline">permanent</code></p></li><li><p><strong><code·class="inline">IncApps·=·[atom()]</code></strong>·-·A·list·of·applications·that·are·included·by·an |
| 151 | application·included·in·the·release.·The·list·must·be·a·subset·of·the·included | 151 | application·included·in·the·release.·The·list·must·be·a·subset·of·the·included |
| 152 | applications·specified·in·the·application·resource·file·(<code·class="inline">Application.app</code>) | 152 | applications·specified·in·the·application·resource·file·(<code·class="inline">Application.app</code>) |
| 153 | and·overrides·this·value.·Defaults·to·the·same·value·as·in·the·application | 153 | and·overrides·this·value.·Defaults·to·the·same·value·as·in·the·application |
| 154 | resource·file.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·list·of·applications·must·contain·the·Kernel·and·STDLIB·applications.</p></section><h2·id="see-also"·class="section-heading"> | 154 | resource·file.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·list·of·applications·must·contain·the·Kernel·and·STDLIB·applications.</p></section><h2·id="see-also"·class="section-heading"> |
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| 204 | ······<p·class="built-using"> | 204 | ······<p·class="built-using"> |
| 205 | ········Built·using | 205 | ········Built·using |
| 206 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 206 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 207 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 207 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 208 | ······</p> | 208 | ······</p> |
| 209 | <p>Copyright·©·1996-202 | 209 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 210 | ····</footer> | 210 | ····</footer> |
| 211 | ··</div> | 211 | ··</div> |
| 212 | </main> | 212 | </main> |
| 213 | </div> | 213 | </div> |
| 214 | <script> | 214 | <script> |
| 215 | ··function·mermaidLoaded()·{ | 215 | ··function·mermaidLoaded()·{ |
| 216 | ····mermaid.initialize({ | 216 | ····mermaid.initialize({ |
| Offset 1054, 16 lines modified | Offset 1054, 16 lines modified | ||
| 1054 | updated·(<code·class="inline">Bool==true</code>)·or·if·only·code·paths·for·modified·applications·are·to | 1054 | updated·(<code·class="inline">Bool==true</code>)·or·if·only·code·paths·for·modified·applications·are·to |
| 1055 | be·updated·(<code·class="inline">Bool==false</code>,·default).·This·option·has·only·effect·for·other | 1055 | be·updated·(<code·class="inline">Bool==false</code>,·default).·This·option·has·only·effect·for·other |
| 1056 | application·directories·than·the·default·<code·class="inline">$ROOT/lib/App-Vsn</code>,·that·is, | 1056 | application·directories·than·the·default·<code·class="inline">$ROOT/lib/App-Vsn</code>,·that·is, |
| 1057 | application·directories·specified·in·argument·<code·class="inline">AppDirs</code>·in·a·call·to | 1057 | application·directories·specified·in·argument·<code·class="inline">AppDirs</code>·in·a·call·to |
| 1058 | <a·href="#create_RELEASES/4"><code·class="inline">create_RELEASES/4</code></a>·or·<a·href="#set_unpacked/2"><code·class="inline">set_unpacked/2</code></a>.</p><p><em>Example:</em></p><p>In·the·current·version·<code·class="inline">CurVsn</code>·of·a·release,·the·application·directory·of | 1058 | <a·href="#create_RELEASES/4"><code·class="inline">create_RELEASES/4</code></a>·or·<a·href="#set_unpacked/2"><code·class="inline">set_unpacked/2</code></a>.</p><p><em>Example:</em></p><p>In·the·current·version·<code·class="inline">CurVsn</code>·of·a·release,·the·application·directory·of |
| 1059 | <code·class="inline">myapp</code>·is·<code·class="inline">$ROOT/lib/myapp-1.0</code>.·A·new·version·<code·class="inline">NewVsn</code>·is·unpacked·outside | 1059 | <code·class="inline">myapp</code>·is·<code·class="inline">$ROOT/lib/myapp-1.0</code>.·A·new·version·<code·class="inline">NewVsn</code>·is·unpacked·outside |
| 1060 | the·release·handler·and·the·release·handler·is·informed·about·this·with·a·call | 1060 | the·release·handler·and·the·release·handler·is·informed·about·this·with·a·call |
| 1061 | as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">release_handler</span><span·class="p">:</span><span·class="nf">set_unpacked</span><span·class="p"·data-group-id=" | 1061 | as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">release_handler</span><span·class="p">:</span><span·class="nf">set_unpacked</span><span·class="p"·data-group-id="5236131040-1">(</span><span·class="n">RelFile</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5236131040-2">[</span><span·class="p"·data-group-id="5236131040-3">{</span><span·class="ss">myapp</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·353,·SHA:·1e3f3b6f3c061c8213ebe9fff157d31b0d1a2f015830011510e9122ae4fed1a7·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1062 | </span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 1062 | </span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="5236131040-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">NewVsn</span><span·class="p"·data-group-id="5236131040-4">}</span></code></pre><p>If·<code·class="inline">NewVsn</code>·is·installed·with·option·<code·class="inline">{update_paths,true}</code>,·then |
| 1063 | <a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#lib_dir/1"><code·class="inline">code:lib_dir(myapp)</code></a>·returns·<code·class="inline">/home/user/myapp-1.0</code>.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Installing·a·new·release·can·be·time·consuming·if·there·are·many·processes·in | 1063 | <a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#lib_dir/1"><code·class="inline">code:lib_dir(myapp)</code></a>·returns·<code·class="inline">/home/user/myapp-1.0</code>.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Installing·a·new·release·can·be·time·consuming·if·there·are·many·processes·in |
| 1064 | the·system.·The·reason·is·that·each·process·must·be·checked·for·references·to | 1064 | the·system.·The·reason·is·that·each·process·must·be·checked·for·references·to |
| 1065 | old·code·before·a·module·can·be·purged.·This·check·can·lead·to·garbage | 1065 | old·code·before·a·module·can·be·purged.·This·check·can·lead·to·garbage |
| 1066 | collections·and·copying·of·data.</p><p>To·speed·up·the·execution·of·<a·href="#install_release/1"><code·class="inline">install_release</code></a>,·first | 1066 | collections·and·copying·of·data.</p><p>To·speed·up·the·execution·of·<a·href="#install_release/1"><code·class="inline">install_release</code></a>,·first |
| 1067 | call·<a·href="#check_install_release/1"><code·class="inline">check_install_release</code></a>,·using·option | 1067 | call·<a·href="#check_install_release/1"><code·class="inline">check_install_release</code></a>,·using·option |
| 1068 | <code·class="inline">purge</code>.·This·does·the·same·check·for·old·code.·Then·purges·all·modules·that | 1068 | <code·class="inline">purge</code>.·This·does·the·same·check·for·old·code.·Then·purges·all·modules·that |
| 1069 | can·be·soft-purged.·The·purged·modules·do·then·no·longer·have·any·old·code, | 1069 | can·be·soft-purged.·The·purged·modules·do·then·no·longer·have·any·old·code, |
| Offset 1340, 15 lines modified | Offset 1340, 15 lines modified | ||
| 1340 | ······<p·class="built-using"> | 1340 | ······<p·class="built-using"> |
| 1341 | ········Built·using | 1341 | ········Built·using |
| 1342 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1342 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1343 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1343 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1344 | ······</p> | 1344 | ······</p> |
| 1345 | <p>Copyright·©·1996-202 | 1345 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1346 | ····</footer> | 1346 | ····</footer> |
| 1347 | ··</div> | 1347 | ··</div> |
| 1348 | </main> | 1348 | </main> |
| 1349 | </div> | 1349 | </div> |
| 1350 | <script> | 1350 | <script> |
| 1351 | ··function·mermaidLoaded()·{ | 1351 | ··function·mermaidLoaded()·{ |
| 1352 | ····mermaid.initialize({ | 1352 | ····mermaid.initialize({ |
| Offset 206, 15 lines modified | Offset 206, 15 lines modified | ||
| 206 | ······<p·class="built-using"> | 206 | ······<p·class="built-using"> |
| 207 | ········Built·using | 207 | ········Built·using |
| 208 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 208 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 209 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 209 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 210 | ······</p> | 210 | ······</p> |
| 211 | <p>Copyright·©·1996-202 | 211 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 212 | ····</footer> | 212 | ····</footer> |
| 213 | ··</div> | 213 | ··</div> |
| 214 | </main> | 214 | </main> |
| 215 | </div> | 215 | </div> |
| 216 | <script> | 216 | <script> |
| 217 | ··function·mermaidLoaded()·{ | 217 | ··function·mermaidLoaded()·{ |
| 218 | ····mermaid.initialize({ | 218 | ····mermaid.initialize({ |
| Offset 261, 15 lines modified | Offset 261, 15 lines modified | ||
| 261 | ······<p·class="built-using"> | 261 | ······<p·class="built-using"> |
| 262 | ········Built·using | 262 | ········Built·using |
| 263 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 263 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 264 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 264 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 265 | ······</p> | 265 | ······</p> |
| 266 | <p>Copyright·©·1996-202 | 266 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 267 | ····</footer> | 267 | ····</footer> |
| 268 | ··</div> | 268 | ··</div> |
| 269 | </main> | 269 | </main> |
| 270 | </div> | 270 | </div> |
| 271 | <script> | 271 | <script> |
| 272 | ··function·mermaidLoaded()·{ | 272 | ··function·mermaidLoaded()·{ |
| 273 | ····mermaid.initialize({ | 273 | ····mermaid.initialize({ |
| Offset 188, 15 lines modified | Offset 188, 15 lines modified | ||
| 188 | ······<p·class="built-using"> | 188 | ······<p·class="built-using"> |
| 189 | ········Built·using | 189 | ········Built·using |
| 190 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 190 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 191 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 191 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 192 | ······</p> | 192 | ······</p> |
| 193 | <p>Copyright·©·1996-202 | 193 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 194 | ····</footer> | 194 | ····</footer> |
| 195 | ··</div> | 195 | ··</div> |
| 196 | </main> | 196 | </main> |
| 197 | </div> | 197 | </div> |
| 198 | <script> | 198 | <script> |
| 199 | ··function·mermaidLoaded()·{ | 199 | ··function·mermaidLoaded()·{ |
| 200 | ····mermaid.initialize({ | 200 | ····mermaid.initialize({ |
| Offset 138, 28 lines modified | Offset 138, 28 lines modified | ||
| 138 | files.</p><h2·id="file-syntax"·class="section-heading"> | 138 | files.</p><h2·id="file-syntax"·class="section-heading"> |
| 139 | ··<a·href="#file-syntax"·class="hover-link"> | 139 | ··<a·href="#file-syntax"·class="hover-link"> |
| 140 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 140 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 141 | ··</a> | 141 | ··</a> |
| 142 | ··<span·class="text">File·Syntax</span> | 142 | ··<span·class="text">File·Syntax</span> |
| 143 | </h2> | 143 | </h2> |
| 144 | <p>The·boot·script·is·stored·in·a·file·with·extension·<code·class="inline">.script</code>.·The·file·has·the | 144 | <p>The·boot·script·is·stored·in·a·file·with·extension·<code·class="inline">.script</code>.·The·file·has·the |
| 145 | following·syntax:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="61 | 145 | following·syntax:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4618402332-1">{</span><span·class="ss">script</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4618402332-2">{</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Vsn</span><s[·...·truncated·by·diffoscope;·len:·39,·SHA:·15588774f8b30c9aaa6383c20a802a4de29a294e5d7dbe6d7c6c598251d9320a·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 146 | ·</span><span·class="p"·data-group-id="61 | 146 | ·</span><span·class="p"·data-group-id="4618402332-3">[</span><span·class="w"> |
| 147 | ··</span><span·class="p"·data-group-id="61 | 147 | ··</span><span·class="p"·data-group-id="4618402332-4">{</span><span·class="ss">progress</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">loading</span><span·class="p"·data-group-id="4618402332-4">}</span><span·class="p">,</span><span·class="w"> |
| 148 | ··</span><span·class="p"·data-group-id="61 | 148 | ··</span><span·class="p"·data-group-id="4618402332-5">{</span><span·class="ss">preLoaded</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4618402332-6">[</span><span·class="n">Mod1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod2</spa[·...·truncated·by·diffoscope;·len:·216,·SHA:·708c2f77abc60ed40f027a3932381447bfe4c32bcea0a9aaa6c834f926c2d6aa·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 149 | ··</span><span·class="p"·data-group-id="61 | 149 | ··</span><span·class="p"·data-group-id="4618402332-7">{</span><span·class="ss">path</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4618402332-8">[</span><span·class="n">Dir1</span><span·class="p">,</span><span·class="s">"$ROOT/Dir"</span><span·clas[·...·truncated·by·diffoscope;·len:·180,·SHA:·d1e2a010ea1ca78718a0f52f6c0b4c85e623580691107827364a3b67aa85ce03·...·]-7">}</span><span·class="p">.</span><span·class="w"> |
| 150 | ··</span><span·class="p"·data-group-id="61 | 150 | ··</span><span·class="p"·data-group-id="4618402332-9">{</span><span·class="ss">primLoad</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4618402332-10">[</span><span·class="n">Mod1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod2</spa[·...·truncated·by·diffoscope;·len:·217,·SHA:·322398b69c7c58dba6b51b79db486a8966097b1ae84f5edd8b67ec93f70e4391·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 151 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 151 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 152 | ··</span><span·class="p"·data-group-id="61 | 152 | ··</span><span·class="p"·data-group-id="4618402332-11">{</span><span·class="ss">kernel_load_completed</span><span·class="p"·data-group-id="4618402332-11">}</span><span·class="p">,</span><span·class="w"> |
| 153 | ··</span><span·class="p"·data-group-id="61 | 153 | ··</span><span·class="p"·data-group-id="4618402332-12">{</span><span·class="ss">progress</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">loaded</span><span·class="p"·data-group-id="4618402332-12">}</span><span·class="p">,</span><span·class="w"> |
| 154 | ··</span><span·class="p"·data-group-id="61 | 154 | ··</span><span·class="p"·data-group-id="4618402332-13">{</span><span·class="ss">kernelProcess</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4618402332-14">{</span><span·class="n">Mod[·...·truncated·by·diffoscope;·len:·252,·SHA:·9f496074104d0d695816bbb66572f859017647aebe22920710bdf3592352b82d·...·]-13">}</span><span·class="p">,</span><span·class="w"> |
| 155 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 155 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 156 | ··</span><span·class="p"·data-group-id="61 | 156 | ··</span><span·class="p"·data-group-id="4618402332-15">{</span><span·class="nb">apply</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4618402332-16">{</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Func</span><[·...·truncated·by·diffoscope;·len:·169,·SHA:·45e434df7fd450a1e1545f9494d46b7cc09d0a33b2deee067f5b4376f04d26fa·...·]-15">}</span><span·class="p">,</span><span·class="w"> |
| 157 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 157 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 158 | ··</span><span·class="p"·data-group-id="61 | 158 | ··</span><span·class="p"·data-group-id="4618402332-17">{</span><span·class="ss">progress</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">started</span><span·class="p"·data-group-id="4618402332-17">}</span><span·class="p"·data-group-id="4618402332-3">]</span><span·class="p"[·...·truncated·by·diffoscope;·len:·26,·SHA:·1460700eccd1006d5bf7aebc71a0d9eac5b8dc175a33e6d3363033b4dd5b5a46·...·]-1">}</span><span·class="p">.</span></code></pre><ul><li><p><strong><code·class="inline">Name·=·string()</code></strong>·-·Defines·the·system·name.</p></li><li><p><strong><code·class="inline">Vsn·=·string()</code></strong>·-·Defines·the·system·version.</p></li><li><p><strong><code·class="inline">{progress,·Term}</code></strong>·-·Sets·the·"progress"·of·the·initialization·program. |
| 159 | The·<a·href="../../../../erts-15.2.3/doc/html/init.html#get_status/0"><code·class="inline">init:get_status/0</code></a>·function·returns·the·current·value·of·the·progress, | 159 | The·<a·href="../../../../erts-15.2.3/doc/html/init.html#get_status/0"><code·class="inline">init:get_status/0</code></a>·function·returns·the·current·value·of·the·progress, |
| 160 | which·is·<code·class="inline">{InternalStatus,Term}</code>.</p></li><li><p><strong><code·class="inline">{path,·[Dir]}</code></strong>·-·<code·class="inline">Dir</code>·is·a·string.·This·argument·sets·the·load·path·of | 160 | which·is·<code·class="inline">{InternalStatus,Term}</code>.</p></li><li><p><strong><code·class="inline">{path,·[Dir]}</code></strong>·-·<code·class="inline">Dir</code>·is·a·string.·This·argument·sets·the·load·path·of |
| 161 | the·system·to·<code·class="inline">[Dir]</code>.·The·load·path·used·to·load·modules·is·obtained·from·the | 161 | the·system·to·<code·class="inline">[Dir]</code>.·The·load·path·used·to·load·modules·is·obtained·from·the |
| 162 | initial·load·path,·which·is·given·in·the·script·file,·together·with·any·path | 162 | initial·load·path,·which·is·given·in·the·script·file,·together·with·any·path |
| 163 | flags·that·were·supplied·in·the·command-line·arguments.·The·command-line | 163 | flags·that·were·supplied·in·the·command-line·arguments.·The·command-line |
| 164 | arguments·modify·the·path·as·follows:</p><ul><li><code·class="inline">-pa·Dir1·Dir2·...·DirN</code>·adds·the·directories | 164 | arguments·modify·the·path·as·follows:</p><ul><li><code·class="inline">-pa·Dir1·Dir2·...·DirN</code>·adds·the·directories |
| 165 | <code·class="inline">DirN,·DirN-1,·...,·Dir2,·Dir1</code>·to·the·front·of·the·initial·load·path.</li><li><code·class="inline">-pz·Dir1·Dir2·...·DirN</code>·adds·the·directories·<code·class="inline">Dir1,·Dir2,·...,·DirN</code>·to·the | 165 | <code·class="inline">DirN,·DirN-1,·...,·Dir2,·Dir1</code>·to·the·front·of·the·initial·load·path.</li><li><code·class="inline">-pz·Dir1·Dir2·...·DirN</code>·adds·the·directories·<code·class="inline">Dir1,·Dir2,·...,·DirN</code>·to·the |
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| 230 | ······<p·class="built-using"> | 230 | ······<p·class="built-using"> |
| 231 | ········Built·using | 231 | ········Built·using |
| 232 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 232 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 233 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 233 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 234 | ······</p> | 234 | ······</p> |
| 235 | <p>Copyright·©·1996-202 | 235 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 236 | ····</footer> | 236 | ····</footer> |
| 237 | ··</div> | 237 | ··</div> |
| 238 | </main> | 238 | </main> |
| 239 | </div> | 239 | </div> |
| 240 | <script> | 240 | <script> |
| 241 | ··function·mermaidLoaded()·{ | 241 | ··function·mermaidLoaded()·{ |
| 242 | ····mermaid.initialize({ | 242 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 656 | ······<p·class="built-using"> | 656 | ······<p·class="built-using"> |
| 657 | ········Built·using | 657 | ········Built·using |
| 658 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 658 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 659 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 659 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 660 | ······</p> | 660 | ······</p> |
| 661 | <p>Copyright·©·1996-202 | 661 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 662 | ····</footer> | 662 | ····</footer> |
| 663 | ··</div> | 663 | ··</div> |
| 664 | </main> | 664 | </main> |
| 665 | </div> | 665 | </div> |
| 666 | <script> | 666 | <script> |
| 667 | ··function·mermaidLoaded()·{ | 667 | ··function·mermaidLoaded()·{ |
| 668 | ····mermaid.initialize({ | 668 | ····mermaid.initialize({ |
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| 25 | dist/lato-latin-300-normal-YUMVEFOL.woff2 | 25 | dist/lato-latin-300-normal-YUMVEFOL.woff2 |
| 26 | dist/lato-latin-400-normal-W7754I4D.woff2 | 26 | dist/lato-latin-400-normal-W7754I4D.woff2 |
| 27 | dist/lato-latin-700-normal-2XVSBPG4.woff2 | 27 | dist/lato-latin-700-normal-2XVSBPG4.woff2 |
| 28 | dist/lato-latin-ext-300-normal-VPGGJKJL.woff2 | 28 | dist/lato-latin-ext-300-normal-VPGGJKJL.woff2 |
| 29 | dist/lato-latin-ext-400-normal-N27NCBWW.woff2 | 29 | dist/lato-latin-ext-400-normal-N27NCBWW.woff2 |
| 30 | dist/lato-latin-ext-700-normal-Q2L5DVMW.woff2 | 30 | dist/lato-latin-ext-700-normal-Q2L5DVMW.woff2 |
| 31 | dist/remixicon-NKANDIL5.woff2 | 31 | dist/remixicon-NKANDIL5.woff2 |
| 32 | dist/search_data- | 32 | dist/search_data-EED77D99.js |
| 33 | dist/sidebar_items-A2117E1D.js | 33 | dist/sidebar_items-A2117E1D.js |
| 34 | index.html | 34 | index.html |
| 35 | notes.html | 35 | notes.html |
| 36 | search.html | 36 | search.html |
| 37 | snmp.html | 37 | snmp.html |
| 38 | snmp_advanced_agent.html | 38 | snmp_advanced_agent.html |
| 39 | snmp_agent_config_files.html | 39 | snmp_agent_config_files.html |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 478 | ······<p·class="built-using"> | 478 | ······<p·class="built-using"> |
| 479 | ········Built·using | 479 | ········Built·using |
| 480 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 480 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 481 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 481 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 482 | ······</p> | 482 | ······</p> |
| 483 | <p>Copyright·©·1996-202 | 483 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 484 | ····</footer> | 484 | ····</footer> |
| 485 | ··</div> | 485 | ··</div> |
| 486 | </main> | 486 | </main> |
| 487 | </div> | 487 | </div> |
| 488 | <script> | 488 | <script> |
| 489 | ··function·mermaidLoaded()·{ | 489 | ··function·mermaidLoaded()·{ |
| 490 | ····mermaid.initialize({ | 490 | ····mermaid.initialize({ |
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| 1115 | ······<p·class="built-using"> | 1115 | ······<p·class="built-using"> |
| 1116 | ········Built·using | 1116 | ········Built·using |
| 1117 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1117 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1118 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1118 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1119 | ······</p> | 1119 | ······</p> |
| 1120 | <p>Copyright·©·1996-202 | 1120 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1121 | ····</footer> | 1121 | ····</footer> |
| 1122 | ··</div> | 1122 | ··</div> |
| 1123 | </main> | 1123 | </main> |
| 1124 | </div> | 1124 | </div> |
| 1125 | <script> | 1125 | <script> |
| 1126 | ··function·mermaidLoaded()·{ | 1126 | ··function·mermaidLoaded()·{ |
| 1127 | ····mermaid.initialize({ | 1127 | ····mermaid.initialize({ |
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| 118 | <div·id="search"> | 118 | <div·id="search"> |
| 119 | ··<h1> | 119 | ··<h1> |
| 120 | ····<span></span> | 120 | ····<span></span> |
| 121 | ··</h1> | 121 | ··</h1> |
| 122 | ··<div·class="loading"><div></div><div></div><div></div><div></div></div> | 122 | ··<div·class="loading"><div></div><div></div><div></div><div></div></div> |
| 123 | </div> | 123 | </div> |
| 124 | <script·src="dist/search_data- | 124 | <script·src="dist/search_data-EED77D99.js"></script> |
| 125 | ····<footer·class="footer"> | 125 | ····<footer·class="footer"> |
| 126 | ······<p> | 126 | ······<p> |
| 127 | ········<span·class="line"> | 127 | ········<span·class="line"> |
| 128 | ··········<button·class="a-main·footer-button·display-quick-switch"·title="Search·HexDocs·packages"> | 128 | ··········<button·class="a-main·footer-button·display-quick-switch"·title="Search·HexDocs·packages"> |
| 129 | ············Search·HexDocs | 129 | ············Search·HexDocs |
| 130 | ··········</button> | 130 | ··········</button> |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 3195, 16 lines modified | Offset 3195, 16 lines modified | ||
| 3195 | ······<div·class="specs"> | 3195 | ······<div·class="specs"> |
| 3196 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·print_version_info(Prefix)·->·<a·href="#t:void/0">void</a>()·when·Prefix·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>().</pre> | 3196 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·print_version_info(Prefix)·->·<a·href="#t:void/0">void</a>()·when·Prefix·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>().</pre> |
| 3197 | ······</div> | 3197 | ······</div> |
| 3198 | <p>Utility·function(s)·to·produce·a·formatted·printout·of·the·versions·info | 3198 | <p>Utility·function(s)·to·produce·a·formatted·printout·of·the·versions·info |
| 3199 | generated·by·the·<code·class="inline">versions1</code>·function</p><p>This·is·the·same·as·doing,·e.g.:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">···········</span><span·class="p"·data-group-id="9724503486-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">V</span><span·class="p"·data-group-id="9724503486-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">versions1</span><span·class="p"·data-group-id="9724503486-2">(</span><span·class="p"·data-group-id="9724503486-2">)</span><span·class="p">,</span><span·class="w"> | ||
| 3200 | 3199 | generated·by·the·<code·class="inline">versions1</code>·function</p><p>This·is·the·same·as·doing,·e.g.:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">···········</span><span·class="p"·data-group-id="0547565642-1">{</span><span·class="ss[·...·truncated·by·diffoscope;·len:·438,·SHA:·4af6103d481afac6ffdfeea6a1355afbd695cb311aa3416286aacd7e09c51062·...·]> | |
| 3200 | ···········</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">print_versions</span><span·class="p"·data-group-id="0547565642-3">(</span><span·class="n">V</span><span·class="p"·data-group-id="0547565642-3">)</span><span·class="p">.</span></code></pre> | ||
| 3201 | ··</section> | 3201 | ··</section> |
| 3202 | </section> | 3202 | </section> |
| 3203 | <section·class="detail"·id="print_versions/1"> | 3203 | <section·class="detail"·id="print_versions/1"> |
| 3204 | ··<div·class="detail-header"> | 3204 | ··<div·class="detail-header"> |
| 3205 | ····<a·href="#print_versions/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 3205 | ····<a·href="#print_versions/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 3206 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 3206 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 3253, 16 lines modified | Offset 3253, 16 lines modified | ||
| 3253 | ····························Prefix·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(), | 3253 | ····························Prefix·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(), |
| 3254 | ····························Versions·::·[VersionInfo], | 3254 | ····························Versions·::·[VersionInfo], |
| 3255 | ····························VersionInfo·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 3255 | ····························VersionInfo·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 3256 | ······</div> | 3256 | ······</div> |
| 3257 | <p>Utility·function·to·produce·a·formatted·printout·of·the·versions·info·generated | 3257 | <p>Utility·function·to·produce·a·formatted·printout·of·the·versions·info·generated |
| 3258 | by·the·<code·class="inline">versions1</code>·and·<code·class="inline">versions2</code>·functions</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">···········</span><span·class="p"·data-group-id=" | 3258 | by·the·<code·class="inline">versions1</code>·and·<code·class="inline">versions2</code>·functions</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">···········</span><span·class="p"·data-group-id="1380242549-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">V</span><span·class="p"·data-group-id="1380242549-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·168,·SHA:·6d5cd4222344fab293814457ad4919bbf5f995cbd1c78b4b8e3e912c1223b1c4·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 3259 | ···········</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">print_versions</span><span·class="p"·data-group-id=" | 3259 | ···········</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">print_versions</span><span·class="p"·data-group-id="1380242549-3">(</span><span·class="n">V</span><span·class="p"·data-group-id="1380242549-3">)</span><span·class="p">.</span></code></pre> |
| 3260 | ··</section> | 3260 | ··</section> |
| 3261 | </section> | 3261 | </section> |
| 3262 | <section·class="detail"·id="read_mib/1"> | 3262 | <section·class="detail"·id="read_mib/1"> |
| 3263 | ··<div·class="detail-header"> | 3263 | ··<div·class="detail-header"> |
| 3264 | ····<a·href="#read_mib/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 3264 | ····<a·href="#read_mib/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 3265 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 3265 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 3382, 25 lines modified | Offset 3382, 25 lines modified | ||
| 3382 | ·······················TraceOpt·::·{timestamp,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()}·|·TargetOpt.</pre> | 3382 | ·······················TraceOpt·::·{timestamp,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()}·|·TargetOpt.</pre> |
| 3383 | ······</div> | 3383 | ······</div> |
| 3384 | <p>This·function·is·used·to·set·up·trace·on·function(s)·for·the·given·module·or | 3384 | <p>This·function·is·used·to·set·up·trace·on·function(s)·for·the·given·module·or |
| 3385 | modules.</p><p>The·example·below·sets·up·trace·on·the·exported·functions·(default)·of·module | 3385 | modules.</p><p>The·example·below·sets·up·trace·on·the·exported·functions·(default)·of·module |
| 3386 | <code·class="inline">snmp_generic</code>·and·all·functions·of·module·<code·class="inline">snmp_generic_mnesia</code>.·With·return | 3386 | <code·class="inline">snmp_generic</code>·and·all·functions·of·module·<code·class="inline">snmp_generic_mnesia</code>.·With·return |
| 3387 | values·(which·is·default)·and·timestamps·in·both·cases·(which·is·also·default):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» ··</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">enable_trace</span><span·class="p"·data-group-id=" | 3387 | values·(which·is·default)·and·timestamps·in·both·cases·(which·is·also·default):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» ··</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">enable_trace</span><span·class="p"·data-group-id="2133030894-1">(</span><span·class="p"·data-group-id="2133030894-1">)</span><span·class="p">,</span><span·class="w"> |
| 3388 | » ··</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">set_trace</span><span·class="p"·data-group-id=" | 3388 | » ··</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">set_trace</span><span·class="p"·data-group-id="2133030894-2">(</span><span·class="p"·data-group-id="2133030894-3">[</span><span·class="ss">snmp_generic</span><span·class="p">,</span><span·class="w"> |
| 3389 | ··························</span><span·class="p"·data-group-id=" | 3389 | ··························</span><span·class="p"·data-group-id="2133030894-4">{</span><span·class="ss">snmp_generic_mnesia</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2133030894-5">[</span><span·class="p"·data-group-id="2133030894-6">{</span><span·class="ss">scope</span><span·cl[·...·truncated·by·diffoscope;·len:·330,·SHA:·ac95f23be9eb5c4b55b24d80adec4f074e5c6a1e6c572a223a9e573353bd6ae9·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 3390 | » ··</span><span·class="p">.</span><span·class="w"> | 3390 | » ··</span><span·class="p">.</span><span·class="w"> |
| 3391 | » ··</span><span·class="p">.</span><span·class="w"> | 3391 | » ··</span><span·class="p">.</span><span·class="w"> |
| 3392 | » ··</span><span·class="p">.</span><span·class="w"> | 3392 | » ··</span><span·class="p">.</span><span·class="w"> |
| 3393 | ··········</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">set_trace</span><span·class="p"·data-group-id=" | 3393 | ··········</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">set_trace</span><span·class="p"·data-group-id="2133030894-7">(</span><span·class="ss">snmp_generic</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">disable</span><span·class="p"·data-group-id="2133030894-7">)</span><span·class="p">,</span><span·class="w"> |
| 3394 | » ··</span><span·class="p">.</span><span·class="w"> | 3394 | » ··</span><span·class="p">.</span><span·class="w"> |
| 3395 | » ··</span><span·class="p">.</span><span·class="w"> | 3395 | » ··</span><span·class="p">.</span><span·class="w"> |
| 3396 | » ··</span><span·class="p">.</span><span·class="w"> | 3396 | » ··</span><span·class="p">.</span><span·class="w"> |
| 3397 | » ··</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">disable_trace</span><span·class="p"·data-group-id=" | 3397 | » ··</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">disable_trace</span><span·class="p"·data-group-id="2133030894-8">(</span><span·class="p"·data-group-id="2133030894-8">)</span><span·class="p">,</span></code></pre> |
| 3398 | ··</section> | 3398 | ··</section> |
| 3399 | </section> | 3399 | </section> |
| 3400 | <section·class="detail"·id="start/0"> | 3400 | <section·class="detail"·id="start/0"> |
| 3401 | ··<div·class="detail-header"> | 3401 | ··<div·class="detail-header"> |
| 3402 | ····<a·href="#start/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 3402 | ····<a·href="#start/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 3403 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 3403 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 3762, 15 lines modified | Offset 3762, 15 lines modified | ||
| 3762 | ······<p·class="built-using"> | 3762 | ······<p·class="built-using"> |
| 3763 | ········Built·using | 3763 | ········Built·using |
| 3764 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3764 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3765 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3765 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3766 | ······</p> | 3766 | ······</p> |
| 3767 | <p>Copyright·©·1996-202 | 3767 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3768 | ····</footer> | 3768 | ····</footer> |
| 3769 | ··</div> | 3769 | ··</div> |
| 3770 | </main> | 3770 | </main> |
| 3771 | </div> | 3771 | </div> |
| 3772 | <script> | 3772 | <script> |
| 3773 | ··function·mermaidLoaded()·{ | 3773 | ··function·mermaidLoaded()·{ |
| 3774 | ····mermaid.initialize({ | 3774 | ····mermaid.initialize({ |
| Offset 325, 74 lines modified | Offset 325, 74 lines modified | ||
| 325 | ·······::=·{·empTable·1·} | 325 | ·······::=·{·empTable·1·} |
| 326 | ·······EmpEntry·::= | 326 | ·······EmpEntry·::= |
| 327 | ··············SEQUENCE·{ | 327 | ··············SEQUENCE·{ |
| 328 | ··················empDepNo·········INTEGER, | 328 | ··················empDepNo·········INTEGER, |
| 329 | ··················empName··········DisplayString, | 329 | ··················empName··········DisplayString, |
| 330 | ··················empTelNo·········DisplayString, | 330 | ··················empTelNo·········DisplayString, |
| 331 | ··················empStatus········RowStatus | 331 | ··················empStatus········RowStatus |
| 332 | ··············}</code></pre><p>The·corresponding·Mnesia·table·is·specified·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 332 | ··············}</code></pre><p>The·corresponding·Mnesia·table·is·specified·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="6795037541-1">(</span><span·class="p"·data-group-id="6795037541-2">[</span><span·class="p"·data-group-id="6795037541-3">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">employees</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·c21cac8d8fbd75f371132f281dfba4a6704f1e78ce626960f724763f078e8c58·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 333 | ·····················</span><span·class="p"·data-group-id=" | 333 | ·····················</span><span·class="p"·data-group-id="6795037541-4">{</span><span·class="ss">snmp</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6795037541-5">[</span><span·class="p"·data-group-id="6795037541-6">{</span><span·class="ss">key</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·385,·SHA:·0901322f3f8553730ef0f3431d6ea60f9e4883a4e74d97f450489fb28462a6d6·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 334 | ·····················</span><span·class="p"·data-group-id=" | 334 | ·····················</span><span·class="p"·data-group-id="6795037541-8">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6795037541-9">[</span><span·class="ss">key</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">telno</[·...·truncated·by·diffoscope;·len:·287,·SHA:·11b6bc6689a74e4240aad65b4c2e7857a5ae7516a81952556dc763faf192e53d·...·]-1">)</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>In·the·Mnesia·tables,·the·two·key·columns·are·stored·as·a·tuple·with·two |
| 335 | elements.·Therefore,·the·arity·of·the·table·is·3.</p></section><h3·id="instrumentation-functions"·class="section-heading"> | 335 | elements.·Therefore,·the·arity·of·the·table·is·3.</p></section><h3·id="instrumentation-functions"·class="section-heading"> |
| 336 | ··<a·href="#instrumentation-functions"·class="hover-link"> | 336 | ··<a·href="#instrumentation-functions"·class="hover-link"> |
| 337 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 337 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 338 | ··</a> | 338 | ··</a> |
| 339 | ··<span·class="text">Instrumentation·Functions</span> | 339 | ··<span·class="text">Instrumentation·Functions</span> |
| 340 | </h3> | 340 | </h3> |
| 341 | <p>The·MIB·table·shown·in·the·previous·section·can·be·compiled·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id=" | 341 | <p>The·MIB·table·shown·in·the·previous·section·can·be·compiled·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id="3622122559-1">(</span><span·class="s">"EmpMIB"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3622122559-2">[</span><span·class="p"·data-group-id="3622122559-3">{</span><span·class="ss">db</span><span·class="[·...·truncated·by·diffoscope;·len:·212,·SHA:·27a4f2a322355db389d8ac40488f3f34ff5676a4443b0527bcc223a59bc1862d·...·]-1">)</span><span·class="p">.</span></code></pre><p>This·is·all·that·has·to·be·done!·Now·the·manager·can·read,·add,·and·modify |
| 342 | rows.·Also,·you·can·use·the·ordinary·Mnesia·API·to·access·the·table·from·your | 342 | rows.·Also,·you·can·use·the·ordinary·Mnesia·API·to·access·the·table·from·your |
| 343 | programs.·The·only·explicit·action·is·to·create·the·Mnesia·table,·an·action·the | 343 | programs.·The·only·explicit·action·is·to·create·the·Mnesia·table,·an·action·the |
| 344 | user·has·to·perform·in·order·to·create·the·required·table·schemas.</p><h3·id="adding-own-actions"·class="section-heading"> | 344 | user·has·to·perform·in·order·to·create·the·required·table·schemas.</p><h3·id="adding-own-actions"·class="section-heading"> |
| 345 | ··<a·href="#adding-own-actions"·class="hover-link"> | 345 | ··<a·href="#adding-own-actions"·class="hover-link"> |
| 346 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 346 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 347 | ··</a> | 347 | ··</a> |
| 348 | ··<span·class="text">Adding·Own·Actions</span> | 348 | ··<span·class="text">Adding·Own·Actions</span> |
| 349 | </h3> | 349 | </h3> |
| 350 | <p>It·is·often·necessary·to·take·some·specific·action·when·a·table·is·modified. | 350 | <p>It·is·often·necessary·to·take·some·specific·action·when·a·table·is·modified. |
| 351 | This·is·accomplished·with·an·instrumentation·function.·It·executes·some·specific | 351 | This·is·accomplished·with·an·instrumentation·function.·It·executes·some·specific |
| 352 | code·when·the·table·is·set,·and·passes·all·other·requests·down·to·the | 352 | code·when·the·table·is·set,·and·passes·all·other·requests·down·to·the |
| 353 | pre-defined·function.</p><p>The·following·example·illustrates·this·idea:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">emp_table</span><span·class="p"·data-group-id=" | 353 | pre-defined·function.</p><p>The·following·example·illustrates·this·idea:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">emp_table</span><span·class="p"·data-group-id="0484551981-1">(</span><span·class="ss">set</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="0484551981-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 354 | ····</span><span·class="nf">notify_internal_resources</span><span·class="p"·data-group-id=" | 354 | ····</span><span·class="nf">notify_internal_resources</span><span·class="p"·data-group-id="0484551981-2">(</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="0484551981-2">)</span><span·class="p">,</span><span·class="w"> |
| 355 | ····</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id=" | 355 | ····</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id="0484551981-3">(</span><span·class="ss">set</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·252,·SHA:·589fdb0cc5e93b2d59c98add1940d476b0f2c48add5afd555f9e28d0c183df34·...·]-3">)</span><span·class="p">;</span><span·class="w"> |
| 356 | </span><span·class="nf">emp_table</span><span·class="p"·data-group-id=" | 356 | </span><span·class="nf">emp_table</span><span·class="p"·data-group-id="0484551981-5">(</span><span·class="n">Op</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="0484551981-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 357 | ····</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id=" | 357 | ····</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id="0484551981-6">(</span><span·class="n">Op</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·250,·SHA:·40773687d9bfda61a870e12b0381dd96f83b908f4e26a5ef6d65e2a8847dbdcd·...·]-6">)</span><span·class="p">.</span></code></pre><p>The·default·instrumentation·functions·are·defined·in·the·module·<code·class="inline">snmp_generic</code>. |
| 358 | Refer·to·the·Reference·Manual,·section·SNMP,·module·<code·class="inline">snmp_generic</code>·for·details.</p><h3·id="extending-the-mnesia-table"·class="section-heading"> | 358 | Refer·to·the·Reference·Manual,·section·SNMP,·module·<code·class="inline">snmp_generic</code>·for·details.</p><h3·id="extending-the-mnesia-table"·class="section-heading"> |
| 359 | ··<a·href="#extending-the-mnesia-table"·class="hover-link"> | 359 | ··<a·href="#extending-the-mnesia-table"·class="hover-link"> |
| 360 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 360 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 361 | ··</a> | 361 | ··</a> |
| 362 | ··<span·class="text">Extending·the·Mnesia·Table</span> | 362 | ··<span·class="text">Extending·the·Mnesia·Table</span> |
| 363 | </h3> | 363 | </h3> |
| 364 | <p>A·table·may·contain·columns·that·are·used·internally,·but·should·not·be·visible | 364 | <p>A·table·may·contain·columns·that·are·used·internally,·but·should·not·be·visible |
| 365 | to·a·manager.·These·internal·columns·must·be·the·last·columns·in·the·table.·The | 365 | to·a·manager.·These·internal·columns·must·be·the·last·columns·in·the·table.·The |
| 366 | <code·class="inline">set</code>·operation·will·not·work·with·this·arrangement,·because·there·are·columns | 366 | <code·class="inline">set</code>·operation·will·not·work·with·this·arrangement,·because·there·are·columns |
| 367 | that·the·agent·does·not·know·about.·This·situation·is·handled·by·adding·values | 367 | that·the·agent·does·not·know·about.·This·situation·is·handled·by·adding·values |
| 368 | for·the·internal·columns·in·the·<code·class="inline">set</code>·function.</p><p>To·illustrate·this,·suppose·we·extend·our·Mnesia·<code·class="inline">empTable</code>·with·one·internal | 368 | for·the·internal·columns·in·the·<code·class="inline">set</code>·function.</p><p>To·illustrate·this,·suppose·we·extend·our·Mnesia·<code·class="inline">empTable</code>·with·one·internal |
| 369 | column.·We·create·it·as·before,·but·with·an·arity·of·4,·by·adding·another | 369 | column.·We·create·it·as·before,·but·with·an·arity·of·4,·by·adding·another |
| 370 | attribute.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id=" | 370 | attribute.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">mnesia</span><span·class="p">:</span><span·class="nf">create_table</span><span·class="p"·data-group-id="6699733359-1">(</span><span·class="p"·data-group-id="6699733359-2">[</span><span·class="p"·data-group-id="6699733359-3">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">employees</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·26b7c3ecf6ef9f806e0707d3c8d8dbe3d5771f6ddd753dadc0d259fe12523360·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 371 | ·····················</span><span·class="p"·data-group-id=" | 371 | ·····················</span><span·class="p"·data-group-id="6699733359-4">{</span><span·class="ss">snmp</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6699733359-5">[</span><span·class="p"·data-group-id="6699733359-6">{</span><span·class="ss">key</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·385,·SHA:·15d55afbb691b94a4335b7a0f0e27bfac2fb2dfe79df3d572bd5d9240f8e50d1·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 372 | ·····················</span><span·class="p"·data-group-id=" | 372 | ·····················</span><span·class="p"·data-group-id="6699733359-8">{</span><span·class="ss">attributes</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6699733359-9">{</span><span·class="ss">key</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">telno</[·...·truncated·by·diffoscope;·len:·371,·SHA:·3c269ca9a10afb36f3d1382f4d547ac66cacf586fb72102f2394ae85763ade11·...·]-1">)</span><span·class="p">.</span></code></pre><p>The·last·column·is·the·internal·column.·When·performing·a·<code·class="inline">set</code>·operation,·which |
| 373 | creates·a·row,·we·must·give·a·value·to·the·internal·column.·The·instrumentation | 373 | creates·a·row,·we·must·give·a·value·to·the·internal·column.·The·instrumentation |
| 374 | functions·will·now·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 374 | functions·will·now·look·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="0853494705-1">(</span><span·class="ss">createAndGo</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">4</span><span·class="p"·data-group-id="0853494705-1">)</span><span·class="p">.</span><span·class="w"> |
| 375 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 375 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="0853494705-2">(</span><span·class="ss">createAndWait</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">5</span><span·class="p"·data-group-id="0853494705-2">)</span><span·class="p">.</span><span·class="w"> |
| 376 | </span><span·class="nf">emp_table</span><span·class="p"·data-group-id=" | 376 | </span><span·class="nf">emp_table</span><span·class="p"·data-group-id="0853494705-3">(</span><span·class="ss">set</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="0853494705-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 377 | ··</span><span·class="nf">notify_internal_resources</span><span·class="p"·data-group-id=" | 377 | ··</span><span·class="nf">notify_internal_resources</span><span·class="p"·data-group-id="0853494705-4">(</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="0853494705-4">)</span><span·class="p">,</span><span·class="w"> |
| 378 | ··</span><span·class="n">NewCols</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 378 | ··</span><span·class="n">NewCols</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 379 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">is_row_created</span><span·class="p"·data-group-id=" | 379 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">is_row_created</span><span·class="p"·data-group-id="0853494705-5">(</span><span·class="ss">empTable</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="0853494705-5">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 380 | ······</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Cols</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="p"·data-group-id=" | 380 | ······</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Cols</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="p"·data-group-id="0853494705-6">[</span><span·class="p"·data-group-id="0853494705-7">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"internal"</span><span·class="p"·data-group-id="0853494705-7">}</span><span·class=[·...·truncated·by·diffoscope;·len:·29,·SHA:·e509112f57a751c8f9b9ec38eb22b28194bc44c54f7765fe02de9ee950f04f0b·...·]-6">]</span><span·class="p">;</span><span·class="w">·</span><span·class="c1">%·add·internal·column</span><span·class="w"> |
| 381 | ······</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Cols</span><span·class="w">······················</span><span·class="c1">%·keep·original·cols</span><span·class="w"> | 381 | ······</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Cols</span><span·class="w">······················</span><span·class="c1">%·keep·original·cols</span><span·class="w"> |
| 382 | ··</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 382 | ··</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 383 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id=" | 383 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id="0853494705-8">(</span><span·class="ss">set</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NewCols</span><span·class="p">,</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·255,·SHA:·460ca32979081ca4a35b589d90f518e84c606a666b6da1682e374287c68362b8·...·]-8">)</span><span·class="p">;</span><span·class="w"> |
| 384 | </span><span·class="nf">emp_table</span><span·class="p"·data-group-id=" | 384 | </span><span·class="nf">emp_table</span><span·class="p"·data-group-id="0853494705-10">(</span><span·class="n">Op</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="0853494705-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 385 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id=" | 385 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id="0853494705-11">(</span><span·class="n">Op</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·253,·SHA:·d04f3b3ae56c18cee03409f4e41cc334bad2bb818101610161a7876488e34648·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 386 | </span><span·class="nf">is_row_created</span><span·class="p"·data-group-id=" | 386 | </span><span·class="nf">is_row_created</span><span·class="p"·data-group-id="0853494705-13">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="0853494705-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 387 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">get_status_col</span><span·class="p"·data-group-id=" | 387 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">get_status_col</span><span·class="p"·data-group-id="0853494705-14">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="0853494705-14">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 388 | ····</span><span·class="p"·data-group-id=" | 388 | ····</span><span·class="p"·data-group-id="0853494705-15">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="ss">createAndGo</span><span·class="p"·data-group-id="0853494705-15">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 389 | ····</span><span·class="p"·data-group-id=" | 389 | ····</span><span·class="p"·data-group-id="0853494705-16">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="ss">createAndWait</span><span·class="p"·data-group-id="0853494705-16">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">true</span><span·class="p">;</span><span·class="w"> |
| 390 | ····</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">false</span><span·class="w"> | 390 | ····</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">false</span><span·class="w"> |
| 391 | ··</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>If·a·row·is·created,·we·always·set·the·internal·column·to·<code·class="inline">"internal"</code>.</p><h2·id="deviations-from-the-standard"·class="section-heading"> | 391 | ··</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>If·a·row·is·created,·we·always·set·the·internal·column·to·<code·class="inline">"internal"</code>.</p><h2·id="deviations-from-the-standard"·class="section-heading"> |
| 392 | ··<a·href="#deviations-from-the-standard"·class="hover-link"> | 392 | ··<a·href="#deviations-from-the-standard"·class="hover-link"> |
| 393 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 393 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 394 | ··</a> | 394 | ··</a> |
| 395 | ··<span·class="text">Deviations·from·the·Standard</span> | 395 | ··<span·class="text">Deviations·from·the·Standard</span> |
| 396 | </h2> | 396 | </h2> |
| Offset 453, 15 lines modified | Offset 453, 15 lines modified | ||
| 453 | ······<p·class="built-using"> | 453 | ······<p·class="built-using"> |
| 454 | ········Built·using | 454 | ········Built·using |
| 455 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 455 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 456 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 456 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 457 | ······</p> | 457 | ······</p> |
| 458 | <p>Copyright·©·1996-202 | 458 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 459 | ····</footer> | 459 | ····</footer> |
| 460 | ··</div> | 460 | ··</div> |
| 461 | </main> | 461 | </main> |
| 462 | </div> | 462 | </div> |
| 463 | <script> | 463 | <script> |
| 464 | ··function·mermaidLoaded()·{ | 464 | ··function·mermaidLoaded()·{ |
| 465 | ····mermaid.initialize({ | 465 | ····mermaid.initialize({ |
| Offset 146, 38 lines modified | Offset 146, 38 lines modified | ||
| 146 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 146 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 147 | ··</a> | 147 | ··</a> |
| 148 | ··<span·class="text">Agent·Information</span> | 148 | ··<span·class="text">Agent·Information</span> |
| 149 | </h2> | 149 | </h2> |
| 150 | <p>The·agent·information·should·be·stored·in·a·file·called·<code·class="inline">agent.conf</code>.</p><p>Each·entry·is·a·tuple·of·size·two:</p><p><code·class="inline">{AgentVariable,·Value}.</code></p><ul><li><code·class="inline">AgentVariable</code>·is·one·of·the·variables·in·SNMP-FRAMEWORK-MIB·or·one·of·the | 150 | <p>The·agent·information·should·be·stored·in·a·file·called·<code·class="inline">agent.conf</code>.</p><p>Each·entry·is·a·tuple·of·size·two:</p><p><code·class="inline">{AgentVariable,·Value}.</code></p><ul><li><code·class="inline">AgentVariable</code>·is·one·of·the·variables·in·SNMP-FRAMEWORK-MIB·or·one·of·the |
| 151 | internal·variables·<code·class="inline">intAgentUDPPort</code>,·which·defines·which·UDP·port·the·agent | 151 | internal·variables·<code·class="inline">intAgentUDPPort</code>,·which·defines·which·UDP·port·the·agent |
| 152 | listens·to,·or·<code·class="inline">intAgentTransports</code>,·which·defines·the·transport·domains·and | 152 | listens·to,·or·<code·class="inline">intAgentTransports</code>,·which·defines·the·transport·domains·and |
| 153 | addresses·of·the·agent.</li><li><code·class="inline">Value</code>·is·the·value·for·the·variable.</li></ul><p>The·following·example·shows·an·<code·class="inline">agent.conf</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 153 | addresses·of·the·agent.</li><li><code·class="inline">Value</code>·is·the·value·for·the·variable.</li></ul><p>The·following·example·shows·an·<code·class="inline">agent.conf</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3332791398-1">{</span><span·class="ss">intAgentUDPPort</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">4000</span><span·class="p"·data-group-id="3332791398-1">}</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="p"·data-group-id=" | 154 | </span><span·class="p"·data-group-id="3332791398-2">{</span><span·class="ss">intAgentTransports</span><span·class="p">,</span><span·class="w"> |
| 155 | ·</span><span·class="p"·data-group-id=" | 155 | ·</span><span·class="p"·data-group-id="3332791398-3">[</span><span·class="p"·data-group-id="3332791398-4">{</span><span·class="ss">transportDomainUdpIpv4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3332791398-5">{</span><span·class="mi">141</span><span·c[·...·truncated·by·diffoscope;·len:·237,·SHA:·c0d53054039b482a96fd984878631bc54023b972e21b4f5c1281296f9e13af66·...·]8-4">}</span><span·class="p">,</span><span·class="w"> |
| 156 | ··</span><span·class="p"·data-group-id=" | 156 | ··</span><span·class="p"·data-group-id="3332791398-6">{</span><span·class="ss">transportDomainUdpIpv6</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3332791398-7">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="[·...·truncated·by·diffoscope;·len:·480,·SHA:·e4ed1947efdf3b9a5d23149f0a4b0a8ea13aa11712f671ef86b1d6cbad9dc5a3·...·]8-2">}</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="p"·data-group-id=" | 157 | </span><span·class="p"·data-group-id="3332791398-8">{</span><span·class="ss">snmpEngineID</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"mbj's·engine"</span><span·class="p"·data-group-id="3332791398-8">}</span><span·class="p">.</span><span·class="w"> |
| 158 | </span><span·class="p"·data-group-id=" | 158 | </span><span·class="p"·data-group-id="3332791398-9">{</span><span·class="ss">snmpEngineMaxMessageSize</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">484</span><span·class="p"·data-group-id="3332791398-9">}</span><span·class="p">.</span></code></pre><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 159 | </span><span·class="n">AgentPort</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">4000</span><span·class="p">,</span><span·class="w"> | 159 | </span><span·class="n">AgentPort</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">4000</span><span·class="p">,</span><span·class="w"> |
| 160 | </span><span·class="n">Transports</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 160 | </span><span·class="n">Transports</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2024794727-1">[</span><span·class="p"·data-group-id="2024794727-2">{</span><span·class="ss">transportDomainUdpIpv4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2024794727-3">{</span><span·class="mi">141</span><span·c[·...·truncated·by·diffoscope;·len:·238,·SHA:·f8b52052485473c075e9b0a63b910617852d71e9985785cfdf2ce283dd0f7143·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 161 | ···············</span><span·class="p"·data-group-id=" | 161 | ···············</span><span·class="p"·data-group-id="2024794727-4">{</span><span·class="ss">transportDomainUdpIpv6</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2024794727-5">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="[·...·truncated·by·diffoscope;·len:·428,·SHA:·8179d464b9350615ec56b8bad439af1d9650cb3d5e92e440eb6ff6933648b9ac·...·]-1">]</span><span·class="p">,</span><span·class="w"> |
| 162 | </span><span·class="n">EngineID</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"mbj's·engine"</span><span·class="p">,</span><span·class="w"> | 162 | </span><span·class="n">EngineID</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"mbj's·engine"</span><span·class="p">,</span><span·class="w"> |
| 163 | </span><span·class="n">MMS</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">484</span><span·class="p">,</span><span·class="w"> | 163 | </span><span·class="n">MMS</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">484</span><span·class="p">,</span><span·class="w"> |
| 164 | </span><span·class="n">AgentConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 164 | </span><span·class="n">AgentConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 165 | ···</span><span·class="p"·data-group-id=" | 165 | ···</span><span·class="p"·data-group-id="2024794727-6">[</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">agent_entry</span><span·class="p"·data-group-id="2024794727-7">(</span><span·class="ss">intAgentUDPPort</span><span·class="p">,</span><span·class="w">·········[·...·truncated·by·diffoscope;·len:·81,·SHA:·bfddd7fdae74495c769e35f37154b10f07820415e29c3e160ff9a7757c9e7946·...·]-7">)</span><span·class="p">,</span><span·class="w"> |
| 166 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">agent_entry</span><span·class="p"·data-group-id=" | 166 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">agent_entry</span><span·class="p"·data-group-id="2024794727-8">(</span><span·class="ss">intAgentTransports</span><span·class="p">,</span><span·class="w">·······</span><span·class="n">Transports</span><span·class="p"·data-group-id="2024794727-8">)</span><span·class="p">,</span><span·class="w"> |
| 167 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">agent_entry</span><span·class="p"·data-group-id=" | 167 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">agent_entry</span><span·class="p"·data-group-id="2024794727-9">(</span><span·class="ss">snmpEngineID</span><span·class="p">,</span><span·class="w">·············</span><span·class="n">EngineID</span><span·class="p"·data-group-id="2024794727-9">)</span><span·class="p">,</span><span·class="w"> |
| 168 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">agent_entry</span><span·class="p"·data-group-id=" | 168 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">agent_entry</span><span·class="p"·data-group-id="2024794727-10">(</span><span·class="ss">snmpEngineMaxMessageSize</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MMS</span><span·class="p"·data-group-id="2024794727-10">)</span><span·class="p"·data-group-id="2024794727-6">]</span><span·class="p">,</span><span·class="w"> |
| 169 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_agent_config</span><span·class="p"·data-group-id=" | 169 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_agent_config</span><span·class="p"·data-group-id="2024794727-11">(</span><span·class="n">AgentDir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">AgentConfig</span><span·class="p"·data-group-id="2024794727-11">)</span><span·class="p">,</span></code></pre><p>These·are·the·supported·en[·...·truncated·by·diffoscope;·len:·435,·SHA:·1d972ce57faf32cd9a083c42700ad492e2b872553a42a1bad4e4b8b83c3f4a20·...·]-1">}</span><span·class="p">.</span><span·class="w">·····················</span><span·class="c1">%·Mandatory</span><span·class="w"> |
| 170 | ······</span><span·class="p"·data-group-id=" | 170 | ······</span><span·class="p"·data-group-id="9230503790-3">{</span><span·class="ss">snmpEngineMaxMessageSize</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">snmp_framework_mib</span><span·class="p">:</span><span·class="nf">max_message_size</span><span·class="p"·data-group-id="9[·...·truncated·by·diffoscope;·len:·115,·SHA:·b051a5034e0d5df2966dae866efca176c27824863569ed46287408a2319c57ad·...·]-3">}</span><span·class="p">.</span><span·class="w">··</span><span·class="c1">%·Mandatory</span><span·class="w"> |
| 171 | ······</span><span·class="p"·data-group-id="4138038408-5">{</span><span·class="ss">intAgentUDPPort</span><span·class="p">,</span><span·class="w">··········</span><span·class="nc">inet</span><span·class="p">:</span><span·class="nf">port_number</span><span·class="p"·data-group-id="4138038408-6">(</span><span·class="p"·data-group-id="4138038408-6">)</span><span·class="p"·data-group-id="4138038408-5">}</span><span·class="p">.</span><span·class="w">······················</span><span·class="c1">%·Optional</span><span·class="w"> | ||
| 172 | ······</span><span·class="p"·data-group-id=" | 171 | ······</span><span·class="p"·data-group-id="9230503790-5">{</span><span·class="ss">intAgentUDPPort</span><span·class="p">,</span><span·class="w">··········</span><span·class="nc">inet</span><span·class="p">:</span><span·class="nf">port_number</span><span·class="p"·data-group-id="9230503790-6">(</spa[·...·truncated·by·diffoscope;·len:·227,·SHA:·e591dcccf05843129741dec0bff3f7fcac07469763ec87283231f2989f0beedd·...·] |
| 172 | ······</span><span·class="p"·data-group-id="9230503790-7">{</span><span·class="ss">intAgentTransports</span><span·class="p">,</span><span·class="w">·······</span><span·class="p"·data-group-id="9230503790-8">[</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">intAgentTransport</span><span·class="p"·data-group-id="9230503790-9">(</span><span·class="p"·data-group-id="9230503790-9">)</span><span·class="p"·data-group-id="9230503790-8">]</span><span·class="p"·data-group-id="9230503790-7">}</span><span·class="p">.</span><span·class="w">···</span><span·class="c1">%·Mandatory</span></code></pre><p>If·a·"traditional"·transport·is·specified·(without·explicit·<code·class="inline">Kind</code>,·handling | ||
| 173 | both·requests·and·traps)·for·a·transport·domain,·its·<em>not</em>·possible·to·also | 173 | both·requests·and·traps)·for·a·transport·domain,·its·<em>not</em>·possible·to·also |
| 174 | specify·a·transport·(for·that·domain)·with·a·specific·<code·class="inline">Kind</code>.·This·is·for | 174 | specify·a·transport·(for·that·domain)·with·a·specific·<code·class="inline">Kind</code>.·This·is·for |
| 175 | example,·<em>not</em>·allowed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="p"·data-group-id="21 | 175 | example,·<em>not</em>·allowed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="p"·data-group-id="2103388279-1">[</span><span·class="p"·data-group-id="2103388279-2">{</span><span·class="ss">transportDomainUdpIpv4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2103388279-3">{</span><span·class="p"·data-group-id="21033[·...·truncated·by·diffoscope;·len:·418,·SHA:·49fdf00dbb99a042ca4bc193639cd6fd377295369eefacac7aa3fd5944dc8108·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 176 | ··</span><span·class="p"·data-group-id="21 | 176 | ··</span><span·class="p"·data-group-id="2103388279-5">{</span><span·class="ss">transportDomainUdpIpv4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2103388279-6">{</span><span·class="p"·data-group-id="2103388279-7">{</span><span·class="mi">141</span><span·cla[·...·truncated·by·diffoscope;·len:·501,·SHA:·e841c944271b2ee7788a67b1411cb89dc486bd92ce12102de695a469bcef0bb0·...·]-1">]</span><span·class="p">.</span></code></pre><p>Note·that·only·one·transport·per·kind·for·each·transport·domain·can·be |
| 177 | configured.</p><p><code·class="inline">PortInfo</code>·<code·class="inline">system</code>·is·used·to·indicate·that·the·'system'·should·choose·(the·way | 177 | configured.</p><p><code·class="inline">PortInfo</code>·<code·class="inline">system</code>·is·used·to·indicate·that·the·'system'·should·choose·(the·way |
| 178 | port·number·'0'·(zero)·is·normally·used).·Port·info·'0'·(zero)·cannot·be·used | 178 | port·number·'0'·(zero)·is·normally·used).·Port·info·'0'·(zero)·cannot·be·used |
| 179 | for·this,·since·it·is·(internally)·used·to·represent·the·'default'·port·number.</p><p>In·the·traditional·transport·entries,·when·the·<code·class="inline">Addr</code>·value·does·not·contain·a | 179 | for·this,·since·it·is·(internally)·used·to·represent·the·'default'·port·number.</p><p>In·the·traditional·transport·entries,·when·the·<code·class="inline">Addr</code>·value·does·not·contain·a |
| 180 | port·number,·the·value·of·<code·class="inline">intAgentUDPPort</code>·is·used.</p><p>Note·that·the·(new)·extended·transport·entries·(including·<code·class="inline">Kind</code>·and·<code·class="inline">Opts</code>) | 180 | port·number,·the·value·of·<code·class="inline">intAgentUDPPort</code>·is·used.</p><p>Note·that·the·(new)·extended·transport·entries·(including·<code·class="inline">Kind</code>·and·<code·class="inline">Opts</code>) |
| 181 | <em>must</em>·specify·port-info·as·they·ignore·any·value·specified·by | 181 | <em>must</em>·specify·port-info·as·they·ignore·any·value·specified·by |
| 182 | <code·class="inline">intAgentUDPPort</code>.</p><p><code·class="inline">Opts</code>·is·the·same·as·for·the·<a·href="snmp_config.html#agent_ni_opts">net-if</a>·process | 182 | <code·class="inline">intAgentUDPPort</code>.</p><p><code·class="inline">Opts</code>·is·the·same·as·for·the·<a·href="snmp_config.html#agent_ni_opts">net-if</a>·process |
| 183 | <em>and</em>·takes·precedence·(for·that·transport)·if·present.·The·point·is·that·each | 183 | <em>and</em>·takes·precedence·(for·that·transport)·if·present.·The·point·is·that·each |
| Offset 190, 77 lines modified | Offset 190, 77 lines modified | ||
| 190 | ··</a> | 190 | ··</a> |
| 191 | ··<span·class="text">Contexts</span> | 191 | ··<span·class="text">Contexts</span> |
| 192 | </h2> | 192 | </h2> |
| 193 | <p>The·context·information·should·be·stored·in·a·file·called·<code·class="inline">context.conf</code>.·The | 193 | <p>The·context·information·should·be·stored·in·a·file·called·<code·class="inline">context.conf</code>.·The |
| 194 | default·context·<code·class="inline">""</code>·need·not·be·present.</p><p>Each·row·defines·a·context·in·the·agent.·This·information·is·used·in·the·table | 194 | default·context·<code·class="inline">""</code>·need·not·be·present.</p><p>Each·row·defines·a·context·in·the·agent.·This·information·is·used·in·the·table |
| 195 | <code·class="inline">vacmContextTable</code>·in·the·SNMP-VIEW-BASED-ACM-MIB.</p><p>Each·entry·is·a·term:</p><p><code·class="inline">ContextName.</code></p><ul><li><code·class="inline">ContextName</code>·is·a·string.</li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> | 195 | <code·class="inline">vacmContextTable</code>·in·the·SNMP-VIEW-BASED-ACM-MIB.</p><p>Each·entry·is·a·term:</p><p><code·class="inline">ContextName.</code></p><ul><li><code·class="inline">ContextName</code>·is·a·string.</li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 196 | </span><span·class="n">ContextConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 196 | </span><span·class="n">ContextConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 197 | ···</span><span·class="p"·data-group-id=" | 197 | ···</span><span·class="p"·data-group-id="0152874022-1">[</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">context_entry</span><span·class="p"·data-group-id="0152874022-2">(</span><span·class="s">"foo"</span><span·class="p"·data-group-id="0152874022-2">)</span><span·class="p">,</span><span·class="w"> |
| 198 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">context_entry</span><span·class="p"·data-group-id=" | 198 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">context_entry</span><span·class="p"·data-group-id="0152874022-3">(</span><span·class="s">"bar"</span><span·class="p"·data-group-id="0152874022-3">)</span><span·class="p"·data-group-id="0152874022-1">]</span><span·class="p">,</span><span·class="w"> |
| 199 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_context_config</span><span·class="p"·data-group-id=" | 199 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_context_config</span><span·class="p"·data-group-id="0152874022-4">(</span><span·class="n">AgentDir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ContextConfig</span><span·class="p"·data-group-id="0152874022-4">)</span><span·class="p">,</span></code></pre><p><a·href=""·id="system_information"></a></p><h2·id="system-information"·class="section-heading"> |
| 200 | ··<a·href="#system-information"·class="hover-link"> | 200 | ··<a·href="#system-information"·class="hover-link"> |
| 201 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 201 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 202 | ··</a> | 202 | ··</a> |
| 203 | ··<span·class="text">System·Information</span> | 203 | ··<span·class="text">System·Information</span> |
| 204 | </h2> | 204 | </h2> |
| 205 | <p>The·system·information·should·be·stored·in·a·file·called·<code·class="inline">standard.conf</code>.</p><p>Each·entry·is·a·tuple·of·size·two:</p><p><code·class="inline">{SystemVariable,·Value}.</code></p><ul><li><code·class="inline">SystemVariable</code>·is·one·of·the·variables·in·the·system·group,·or | 205 | <p>The·system·information·should·be·stored·in·a·file·called·<code·class="inline">standard.conf</code>.</p><p>Each·entry·is·a·tuple·of·size·two:</p><p><code·class="inline">{SystemVariable,·Value}.</code></p><ul><li><code·class="inline">SystemVariable</code>·is·one·of·the·variables·in·the·system·group,·or |
| 206 | <code·class="inline">snmpEnableAuthenTraps</code>.</li><li><code·class="inline">Value</code>·is·the·value·for·the·variable.</li></ul><p>The·following·example·shows·a·valid·<code·class="inline">standard.conf</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="02 | 206 | <code·class="inline">snmpEnableAuthenTraps</code>.</li><li><code·class="inline">Value</code>·is·the·value·for·the·variable.</li></ul><p>The·following·example·shows·a·valid·<code·class="inline">standard.conf</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8302624966-1">{</span><span·class="ss">sysDescr</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Erlang·SNMP·agent"</span><span·class="p"·data-group-id="8302624966-1">}</span><span·class="p">.</span><span·class="w"> |
| 207 | </span><span·class="p"·data-group-id="02 | 207 | </span><span·class="p"·data-group-id="8302624966-2">{</span><span·class="ss">sysObjectID</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8302624966-3">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·119,·SHA:·6d48e4b9633f29cbb6df9271131172878f5f38abc1c61d4bf0be5d5f04dd0b26·...·]-2">}</span><span·class="p">.</span><span·class="w"> |
| 208 | </span><span·class="p"·data-group-id="02 | 208 | </span><span·class="p"·data-group-id="8302624966-4">{</span><span·class="ss">sysContact</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"(mbj,eklas)@erlang.ericsson.se"</span><span·class="p"·data-group-id="8302624966-4">}</span><span·class="p">.</span><span·class="w"> |
| 209 | </span><span·class="p"·data-group-id="02 | 209 | </span><span·class="p"·data-group-id="8302624966-5">{</span><span·class="ss">sysName</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"test"</span><span·class="p"·data-group-id="8302624966-5">}</span><span·class="p">.</span><span·class="w"> |
| 210 | </span><span·class="p"·data-group-id="02 | 210 | </span><span·class="p"·data-group-id="8302624966-6">{</span><span·class="ss">sysServices</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">72</span><span·class="p"·data-group-id="8302624966-6">}</span><span·class="p">.</span><span·class="w"> |
| 211 | </span><span·class="p"·data-group-id="02 | 211 | </span><span·class="p"·data-group-id="8302624966-7">{</span><span·class="ss">snmpEnableAuthenTraps</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">enabled</span><span·class="p"·data-group-id="8302624966-7">}</span><span·class="p">.</span></code></pre><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 212 | </span><span·class="n">StdConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 212 | </span><span·class="n">StdConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 213 | ···</span><span·class="p"·data-group-id=" | 213 | ···</span><span·class="p"·data-group-id="3741735634-1">[</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id="3741735634-2">(</span><span·class="ss">sysDescr</span><span·class="p">,</span><span·class="w">····</span><s[·...·truncated·by·diffoscope;·len:·91,·SHA:·b3c3a3de36a14ebdf6179fb45e780d742196bc432e8cfbb2b22fe3d322a1de15·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 214 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id=" | 214 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id="3741735634-3">(</span><span·class="ss">sysObjectID</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3741735634-4">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·119,·SHA:·ce3b548c8e1b41725c58b1c10630a1114b3955db83ae22a578395d07234e6a4b·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 215 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id=" | 215 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id="3741735634-5">(</span><span·class="ss">sysContact</span><span·class="p">,</span><span·class="w">··</span><span·class="s">"(mbj,eklas)@erlang.ericsson.se"</span><span·class="p"·data-group-id="3741735634-5">)</span><span·class="p">,</span><span·class="w"> |
| 216 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id=" | 216 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id="3741735634-6">(</span><span·class="ss">sysName</span><span·class="p">,</span><span·class="w">·····</span><span·class="s">"test"</span><span·class="p"·data-group-id="3741735634-6">)</span><span·class="p">,</span><span·class="w"> |
| 217 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id=" | 217 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id="3741735634-7">(</span><span·class="ss">sysServices</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">72</span><span·class="p"·data-group-id="3741735634-7">)</span><span·class="p">,</span><span·class="w"> |
| 218 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id=" | 218 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">standard_entry</span><span·class="p"·data-group-id="3741735634-8">(</span><span·class="ss">snmpEnableAuthenTraps</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">enabled</span><span·class="p"·data-group-id="3741735634-8">)</span><span·class="p"·data-group-id="3741735634-1">]</span><span·class="p">,</span><span·class="w"> |
| 219 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_standard_config</span><span·class="p"·data-group-id=" | 219 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_standard_config</span><span·class="p"·data-group-id="3741735634-9">(</span><span·class="n">AgentDir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StdConfig</span><span·class="p"·data-group-id="3741735634-9">)</span><span·class="p">,</span></code></pre><p>A·value·must·be·provided·for·all·variables,·which·lack·default·values·in·the |
| 220 | MIB.</p><p><a·href=""·id="community"></a></p><h2·id="communities"·class="section-heading"> | 220 | MIB.</p><p><a·href=""·id="community"></a></p><h2·id="communities"·class="section-heading"> |
| 221 | ··<a·href="#communities"·class="hover-link"> | 221 | ··<a·href="#communities"·class="hover-link"> |
| 222 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 222 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 223 | ··</a> | 223 | ··</a> |
| 224 | ··<span·class="text">Communities</span> | 224 | ··<span·class="text">Communities</span> |
| 225 | </h2> | 225 | </h2> |
| 226 | <p>The·community·information·should·be·stored·in·a·file·called·<code·class="inline">community.conf</code>.·It | 226 | <p>The·community·information·should·be·stored·in·a·file·called·<code·class="inline">community.conf</code>.·It |
| 227 | must·be·present·if·the·agent·is·configured·for·SNMPv1·or·SNMPv2c.</p><p>An·SNMP·<em>community</em>·is·a·relationship·between·an·SNMP·agent·and·a·set·of·SNMP | 227 | must·be·present·if·the·agent·is·configured·for·SNMPv1·or·SNMPv2c.</p><p>An·SNMP·<em>community</em>·is·a·relationship·between·an·SNMP·agent·and·a·set·of·SNMP |
| 228 | managers·that·defines·authentication,·access·control·and·proxy·characteristics.</p><p>The·corresponding·table·is·<code·class="inline">snmpCommunityTable</code>·in·the·SNMP-COMMUNITY-MIB.</p><p>Each·entry·is·a·term:</p><p><code·class="inline">{CommunityIndex,·CommunityName,·SecurityName,·ContextName,·TransportTag}.</code></p><ul><li><code·class="inline">CommunityIndex</code>·is·a·non-empty·string.</li><li><code·class="inline">CommunityName</code>·is·a·string.</li><li><code·class="inline">SecurityName</code>·is·a·string.</li><li><code·class="inline">ContextName</code>·is·a·string.</li><li><code·class="inline">TransportTag</code>·is·a·string.</li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> | 228 | managers·that·defines·authentication,·access·control·and·proxy·characteristics.</p><p>The·corresponding·table·is·<code·class="inline">snmpCommunityTable</code>·in·the·SNMP-COMMUNITY-MIB.</p><p>Each·entry·is·a·term:</p><p><code·class="inline">{CommunityIndex,·CommunityName,·SecurityName,·ContextName,·TransportTag}.</code></p><ul><li><code·class="inline">CommunityIndex</code>·is·a·non-empty·string.</li><li><code·class="inline">CommunityName</code>·is·a·string.</li><li><code·class="inline">SecurityName</code>·is·a·string.</li><li><code·class="inline">ContextName</code>·is·a·string.</li><li><code·class="inline">TransportTag</code>·is·a·string.</li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">········</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 229 | </span><span·class="n">CommunityConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 229 | </span><span·class="n">CommunityConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 230 | ···</span><span·class="p"·data-group-id=" | 230 | ···</span><span·class="p"·data-group-id="7778043520-1">[</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">community_entry</span><span·class="p"·data-group-id="7778043520-2">(</span><span·class="s">"public"</span><span·class="p"·data-group-id="7778043520-2">)</span><span·class="p">,</span><span·class="w"> |
| 231 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">community_entry</span><span·class="p"·data-group-id=" | 231 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">community_entry</span><span·class="p"·data-group-id="7778043520-3">(</span><span·class="s">"all-rights"</span><span·class="p"·data-group-id="7778043520-3">)</span><span·class="p">,</span><span·class="w"> |
| 232 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">community_entry</span><span·class="p"·data-group-id=" | 232 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">community_entry</span><span·class="p"·data-group-id="7778043520-4">(</span><span·class="s">"standard·trap"</span><span·class="p">,</span><span·class="w"> |
| 233 | ·······························</span><span·class="s">"standard·trap"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"initial"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">""</span><span·class="p">,</span><span·class="w">·</span><span·class="s">""</span><span·class="p"·data-group-id=" | 233 | ·······························</span><span·class="s">"standard·trap"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"initial"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">""</span><span·class="p">,</span><span·class="w">·</span><span·class="s">""</span><span·class="p"·data-group-id="7778043520-4">)</span><span·class="p"·data-group-id="7778043520-1">]</span><span·class="p">,</span><span·class="w"> |
| 234 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_community_config</span><span·class="p"·data-group-id=" | 234 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_community_config</span><span·class="p"·data-group-id="7778043520-5">(</span><span·class="n">AgentDir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">CommunityConfig</span><span·class="p"·data-group-id="7778043520-5">)</span><span·class="p">,</span></code></pre><p><a·href=""·id="vacm"></a></p><h2·id="mib-views-for-vacm"·class="section-heading"> |
| 235 | ··<a·href="#mib-views-for-vacm"·class="hover-link"> | 235 | ··<a·href="#mib-views-for-vacm"·class="hover-link"> |
| 236 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 236 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 237 | ··</a> | 237 | ··</a> |
| 238 | ··<span·class="text">MIB·Views·for·VACM</span> | 238 | ··<span·class="text">MIB·Views·for·VACM</span> |
| 239 | </h2> | 239 | </h2> |
| 240 | <p>The·information·about·MIB·Views·for·VACM·should·be·stored·in·a·file·called | 240 | <p>The·information·about·MIB·Views·for·VACM·should·be·stored·in·a·file·called |
| 241 | <code·class="inline">vacm.conf</code>.</p><p>The·corresponding·tables·are·<code·class="inline">vacmSecurityToGroupTable</code>,·<code·class="inline">vacmAccessTable</code>·and | 241 | <code·class="inline">vacm.conf</code>.</p><p>The·corresponding·tables·are·<code·class="inline">vacmSecurityToGroupTable</code>,·<code·class="inline">vacmAccessTable</code>·and |
| 242 | <code·class="inline">vacmViewTreeFamilyTable</code>·in·the·SNMP-VIEW-BASED-ACM-MIB.</p><p>Each·entry·is·one·of·the·terms,·one·entry·corresponds·to·one·row·in·one·of·the | 242 | <code·class="inline">vacmViewTreeFamilyTable</code>·in·the·SNMP-VIEW-BASED-ACM-MIB.</p><p>Each·entry·is·one·of·the·terms,·one·entry·corresponds·to·one·row·in·one·of·the |
| 243 | tables.</p><p><code·class="inline">{vacmSecurityToGroup,·SecModel,·SecName,·GroupName}.</code></p><p><code·class="inline">{vacmAccess,·GroupName,·Prefix,·SecModel,·SecLevel,·Match,·ReadView,·WriteView,·NotifyView}.</code></p><p><code·class="inline">{vacmViewTreeFamily,·ViewIndex,·ViewSubtree,·ViewStatus,·ViewMask}.</code></p><ul><li><code·class="inline">SecModel</code>·is·<code·class="inline">any</code>,·<code·class="inline">v1</code>,·<code·class="inline">v2c</code>,·or·<code·class="inline">usm</code>.</li><li><code·class="inline">SecName</code>·is·a·string.</li><li><code·class="inline">GroupName</code>·is·a·string.</li><li><code·class="inline">Prefix</code>·is·a·string.</li><li><code·class="inline">SecLevel</code>·is·<code·class="inline">noAuthNoPriv</code>,·<code·class="inline">authNoPriv</code>,·or·<code·class="inline">authPriv</code></li><li><code·class="inline">Match</code>·is·<code·class="inline">prefix</code>·or·<code·class="inline">exact</code>.</li><li><code·class="inline">ReadView</code>·is·a·string.</li><li><code·class="inline">WriteView</code>·is·a·string.</li><li><code·class="inline">NotifyView</code>·is·a·string.</li><li><code·class="inline">ViewIndex</code>·is·an·integer.</li><li><code·class="inline">ViewSubtree</code>·is·a·list·of·integer.</li><li><code·class="inline">ViewStatus</code>·is·either·<code·class="inline">included</code>·or·<code·class="inline">excluded</code></li><li><code·class="inline">ViewMask</code>·is·either·<code·class="inline">null</code>·or·a·list·of·ones·and·zeros.·Ones·nominate·that·an | 243 | tables.</p><p><code·class="inline">{vacmSecurityToGroup,·SecModel,·SecName,·GroupName}.</code></p><p><code·class="inline">{vacmAccess,·GroupName,·Prefix,·SecModel,·SecLevel,·Match,·ReadView,·WriteView,·NotifyView}.</code></p><p><code·class="inline">{vacmViewTreeFamily,·ViewIndex,·ViewSubtree,·ViewStatus,·ViewMask}.</code></p><ul><li><code·class="inline">SecModel</code>·is·<code·class="inline">any</code>,·<code·class="inline">v1</code>,·<code·class="inline">v2c</code>,·or·<code·class="inline">usm</code>.</li><li><code·class="inline">SecName</code>·is·a·string.</li><li><code·class="inline">GroupName</code>·is·a·string.</li><li><code·class="inline">Prefix</code>·is·a·string.</li><li><code·class="inline">SecLevel</code>·is·<code·class="inline">noAuthNoPriv</code>,·<code·class="inline">authNoPriv</code>,·or·<code·class="inline">authPriv</code></li><li><code·class="inline">Match</code>·is·<code·class="inline">prefix</code>·or·<code·class="inline">exact</code>.</li><li><code·class="inline">ReadView</code>·is·a·string.</li><li><code·class="inline">WriteView</code>·is·a·string.</li><li><code·class="inline">NotifyView</code>·is·a·string.</li><li><code·class="inline">ViewIndex</code>·is·an·integer.</li><li><code·class="inline">ViewSubtree</code>·is·a·list·of·integer.</li><li><code·class="inline">ViewStatus</code>·is·either·<code·class="inline">included</code>·or·<code·class="inline">excluded</code></li><li><code·class="inline">ViewMask</code>·is·either·<code·class="inline">null</code>·or·a·list·of·ones·and·zeros.·Ones·nominate·that·an |
| 244 | exact·match·is·used·for·this·sub-identifier.·Zeros·are·wild-cards·which·match | 244 | exact·match·is·used·for·this·sub-identifier.·Zeros·are·wild-cards·which·match |
| 245 | any·sub-identifier.·If·the·mask·is·shorter·than·the·sub-tree,·the·tail·is | 245 | any·sub-identifier.·If·the·mask·is·shorter·than·the·sub-tree,·the·tail·is |
| 246 | regarded·as·all·ones.·<code·class="inline">null</code>·is·shorthand·for·a·mask·with·all·ones.</li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> | 246 | regarded·as·all·ones.·<code·class="inline">null</code>·is·shorthand·for·a·mask·with·all·ones.</li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 247 | </span><span·class="n">SecName</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"plain"</span><span·class="p">,</span><span·class="w"> | 247 | </span><span·class="n">SecName</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"plain"</span><span·class="p">,</span><span·class="w"> |
| 248 | </span><span·class="n">VacmConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 248 | </span><span·class="n">VacmConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 249 | ···</span><span·class="p"·data-group-id=" | 249 | ···</span><span·class="p"·data-group-id="1408383308-1">[</span><span·class="c1">%%························SecModel,·SecName,·GroupName</span><span·class="w"> |
| 250 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">vacm_s2g_entry</span><span·class="p"·data-group-id=" | 250 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">vacm_s2g_entry</span><span·class="p"·data-group-id="1408383308-2">(</span><span·class="ss">usm</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SecName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SecName</span><span·class="p"·data-group-id="1408383308-2">)</span><span·class="p">,</span><span·class="w"> |
| 251 | ····</span><span·class="c1">%%························GroupName,·Prefix,·SecModel,</span><span·class="w"> | 251 | ····</span><span·class="c1">%%························GroupName,·Prefix,·SecModel,</span><span·class="w"> |
| 252 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">vacm_acc_entry</span><span·class="p"·data-group-id=" | 252 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">vacm_acc_entry</span><span·class="p"·data-group-id="1408383308-3">(</span><span·class="n">SecName</span><span·class="p">,</span><span·class="w">·</span><span·class="s">""</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">any</span><span·class="p">,</span><span·class="w"> |
| 253 | ····</span><span·class="c1">%%························SecLevel,·Match,·RV,·WV,·NV</span><span·class="w"> | 253 | ····</span><span·class="c1">%%························SecLevel,·Match,·RV,·WV,·NV</span><span·class="w"> |
| 254 | ······························</span><span·class="ss">noAuthNoPriv</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">exact</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"all"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"all"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"all"</span><span·class="p"·data-group-id=" | 254 | ······························</span><span·class="ss">noAuthNoPriv</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">exact</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"all"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"all"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"all"</span><span·class="p"·data-group-id="1408383308-3">)</span><span·class="p">,</span><span·class="w"> |
| 255 | ····</span><span·class="c1">%%························ViewName,·ViewSubtree,·ViewType,·ViewMask</span><span·class="w"> | 255 | ····</span><span·class="c1">%%························ViewName,·ViewSubtree,·ViewType,·ViewMask</span><span·class="w"> |
| 256 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">vacm_vtf_entry</span><span·class="p"·data-group-id=" | 256 | ····</span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">vacm_vtf_entry</span><span·class="p"·data-group-id="1408383308-4">(</span><span·class="s">"restricted"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1408383308-5">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">3</span><span·class="p[·...·truncated·by·diffoscope;·len:·387,·SHA:·1f926f0e7f96d22fc857478a1decefa377cb6cec21bcf41484dceb15dc583db5·...·]-1">]</span><span·class="p">,</span><span·class="w"> |
| 257 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_vacm_config</span><span·class="p"·data-group-id=" | 257 | </span><span·class="nc">snmpa_conf</span><span·class="p">:</span><span·class="nf">write_vacm_config</span><span·class="p"·data-group-id="1408383308-6">(</span><span·class="n">AgentDir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">VacmConfig</span><span·class="p"·data-group-id="1408383308-6">)</span><span·class="p">,</span></code></pre><p><a·href=""·id="usm"></a></p><h2·id="security-data-for-usm"·class="section-heading"> |
| 258 | ··<a·href="#security-data-for-usm"·class="hover-link"> | 258 | ··<a·href="#security-data-for-usm"·class="hover-link"> |
| 259 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 259 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 260 | ··</a> | 260 | ··</a> |
| 261 | ··<span·class="text">Security·data·for·USM</span> | 261 | ··<span·class="text">Security·data·for·USM</span> |
| 262 | </h2> | 262 | </h2> |
| 263 | <p>The·information·about·Security·data·for·USM·should·be·stored·in·a·file·called | 263 | <p>The·information·about·Security·data·for·USM·should·be·stored·in·a·file·called |
| 264 | <code·class="inline">usm.conf</code>,·which·must·be·present·if·the·agent·is·configured·for·SNMPv3.</p><p>The·corresponding·table·is·<code·class="inline">usmUserTable</code>·in·the·SNMP-USER-BASED-SM-MIB | 264 | <code·class="inline">usm.conf</code>,·which·must·be·present·if·the·agent·is·configured·for·SNMPv3.</p><p>The·corresponding·table·is·<code·class="inline">usmUserTable</code>·in·the·SNMP-USER-BASED-SM-MIB |
| Offset 271, 43 lines modified | Offset 271, 43 lines modified | ||
| 271 | <code·class="inline">usmAesCfb128Protocol</code>.</p></li><li><p><code·class="inline">PrivKeyC</code>·is·a·string.</p></li><li><p><code·class="inline">OwnPrivKeyC</code>·is·a·string.</p></li><li><p><code·class="inline">Public</code>·is·a·string.</p></li><li><p><code·class="inline">AuthKey</code>·is·a·list·(of·integer).·This·is·the·User's·secret·localized | 271 | <code·class="inline">usmAesCfb128Protocol</code>.</p></li><li><p><code·class="inline">PrivKeyC</code>·is·a·string.</p></li><li><p><code·class="inline">OwnPrivKeyC</code>·is·a·string.</p></li><li><p><code·class="inline">Public</code>·is·a·string.</p></li><li><p><code·class="inline">AuthKey</code>·is·a·list·(of·integer).·This·is·the·User's·secret·localized |
| 272 | authentication·key.·It·is·not·visible·in·the·MIB.·The·length·(number·of | 272 | authentication·key.·It·is·not·visible·in·the·MIB.·The·length·(number·of |
| 273 | octets)·of·this·key·needs·to·be:</p><ul><li>16·if·<code·class="inline">usmHMACMD5AuthProtocol</code>.</li><li>20·if·<code·class="inline">usmHMACSHAAuthProtocol</code>.</li><li>28·if·<code·class="inline">usmHMAC128SHA224AuthProtocol</code>.</li><li>32·if·<code·class="inline">usmHMAC192SHA256AuthProtocol</code>.</li><li>48·if·<code·class="inline">usmHMAC256SHA384AuthProtocol</code>.</li><li>64·if·<code·class="inline">usmHMAC384SHA512AuthProtocol</code>.</li></ul></li><li><p><code·class="inline">PrivKey</code>·is·a·list·(of·integer).·This·is·the·User's·secret·localized | 273 | octets)·of·this·key·needs·to·be:</p><ul><li>16·if·<code·class="inline">usmHMACMD5AuthProtocol</code>.</li><li>20·if·<code·class="inline">usmHMACSHAAuthProtocol</code>.</li><li>28·if·<code·class="inline">usmHMAC128SHA224AuthProtocol</code>.</li><li>32·if·<code·class="inline">usmHMAC192SHA256AuthProtocol</code>.</li><li>48·if·<code·class="inline">usmHMAC256SHA384AuthProtocol</code>.</li><li>64·if·<code·class="inline">usmHMAC384SHA512AuthProtocol</code>.</li></ul></li><li><p><code·class="inline">PrivKey</code>·is·a·list·(of·integer).·This·is·the·User's·secret·localized |
| 274 | encryption·key.·It·is·not·visible·in·the·MIB.·The·length·of·this·key·needs·to | 274 | encryption·key.·It·is·not·visible·in·the·MIB.·The·length·of·this·key·needs·to |
| 275 | be·16·if·<code·class="inline">usmDESPrivProtocol</code>·or·<code·class="inline">usmAesCfb128Protocol</code>·is·used.</p></li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> | 275 | be·16·if·<code·class="inline">usmDESPrivProtocol</code>·or·<code·class="inline">usmAesCfb128Protocol</code>·is·used.</p></li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">AgentDir</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 276 | </span><span·class="n">EngineID</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"plain·engine"</span><span·class="w"> | 276 | </span><span·class="n">EngineID</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"plain·engine"</span><span·class="w"> |
| 277 | </span><span·class="n">Passwd</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"FooBar·Hoopla"</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%%·This·should·*obviously*·be·choosen·better</span><span·class="w"> | 277 | </span><span·class="n">Passwd</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"FooBar·Hoopla"</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%%·This·should·*obviously*·be·choosen·better</span><span·class="w"> |
| 278 | </span><span·class="n">Secret16</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">passwd2localized_key</span><span·class="p"·data-group-id=" | 278 | </span><span·class="n">Secret16</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">passwd2localized_key</span><span·class="p"·data-group-id="8820200205-1">(</span><span·class="nb">md5</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Passwd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EngineID</span><span·class="p"·data-group-id="8820200205-1">)</span><span·class="p">,</span><span·class="w"> |
| 279 | </span><span·class="n">Secret20</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">passwd2localized_key</span><span·class="p"·data-group-id=" | 279 | </span><span·class="n">Secret20</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">snmp</span><span·class="p">:</span><span·class="nf">passwd2localized_key</span><span·class="p"·data-group-id="8820200205-2">(</span><span·class="ss">sha</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Passwd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EngineID</span><span·class="p"·data-group-id="8820200205-2">)</span><span·class="p">,</span><span·class="w"> |
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| 304 | This·MIB·can·be·used·with·any·SNMP·version.</li><li>SNMP-COMMUNITY-MIB,·which·defines·managed·objects·for·coexistence·of·SNMPv1 | 304 | This·MIB·can·be·used·with·any·SNMP·version.</li><li>SNMP-COMMUNITY-MIB,·which·defines·managed·objects·for·coexistence·of·SNMPv1 |
| 305 | and·SNMPv2c·with·SNMPv3.·This·MIB·is·only·useful·if·SNMPv1·or·SNMPv2c·is·used, | 305 | and·SNMPv2c·with·SNMPv3.·This·MIB·is·only·useful·if·SNMPv1·or·SNMPv2c·is·used, |
| 306 | possibly·in·combination·with·SNMPv3.</li><li>SNMP-USER-BASED-SM-MIB,·which·defines·managed·objects·for·authentication·and | 306 | possibly·in·combination·with·SNMPv3.</li><li>SNMP-USER-BASED-SM-MIB,·which·defines·managed·objects·for·authentication·and |
| 307 | privacy.·This·MIB·is·only·useful·with·SNMPv3.</li></ul><p>All·of·these·MIBs·should·be·loaded·into·the·Master·Agent.·Once·loaded,·these | 307 | privacy.·This·MIB·is·only·useful·with·SNMPv3.</li></ul><p>All·of·these·MIBs·should·be·loaded·into·the·Master·Agent.·Once·loaded,·these |
| 308 | MIBs·are·always·available·in·all·contexts.</p><p>The·ASN.1·code,·the·Erlang·source·code,·and·the·generated·<code·class="inline">.hrl</code>·files·for·them | 308 | MIBs·are·always·available·in·all·contexts.</p><p>The·ASN.1·code,·the·Erlang·source·code,·and·the·generated·<code·class="inline">.hrl</code>·files·for·them |
| 309 | are·provided·in·the·distribution·and·are·placed·in·the·directories·<code·class="inline">mibs</code>, | 309 | are·provided·in·the·distribution·and·are·placed·in·the·directories·<code·class="inline">mibs</code>, |
| 310 | <code·class="inline">src</code>,·and·<code·class="inline">include</code>,·respectively,·in·the·<code·class="inline">snmp</code>·application.</p><p>The·<code·class="inline">.hrl</code>·files·are·generated·with·<a·href="snmpc.html#mib_to_hrl/1"><code·class="inline">snmpc:mib_to_hrl/1</code></a>.·Include·these·files·in | 310 | <code·class="inline">src</code>,·and·<code·class="inline">include</code>,·respectively,·in·the·<code·class="inline">snmp</code>·application.</p><p>The·<code·class="inline">.hrl</code>·files·are·generated·with·<a·href="snmpc.html#mib_to_hrl/1"><code·class="inline">snmpc:mib_to_hrl/1</code></a>.·Include·these·files·in |
| 311 | your·code·as·in·the·following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 311 | your·code·as·in·the·following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="5386529571-1">(</span><span·class="s">"snmp/include/SNMPv2-MIB.hrl"</span><span·class="p"·data-group-id="5386529571-1">)</span><span·class="p">.</span></code></pre><p>The·initial·values·for·the·managed·objects·defined·in·these·tables,·are·read·at |
| 312 | start-up·from·a·set·of·configuration·files.·These·are·described·in | 312 | start-up·from·a·set·of·configuration·files.·These·are·described·in |
| 313 | <a·href="snmp_config.html">Configuration·Files</a>.</p><h3·id="standard-mib-and-snmpv2-mib"·class="section-heading"> | 313 | <a·href="snmp_config.html">Configuration·Files</a>.</p><h3·id="standard-mib-and-snmpv2-mib"·class="section-heading"> |
| 314 | ··<a·href="#standard-mib-and-snmpv2-mib"·class="hover-link"> | 314 | ··<a·href="#standard-mib-and-snmpv2-mib"·class="hover-link"> |
| 315 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 315 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 316 | ··</a> | 316 | ··</a> |
| 317 | ··<span·class="text">STANDARD-MIB·and·SNMPv2-MIB</span> | 317 | ··<span·class="text">STANDARD-MIB·and·SNMPv2-MIB</span> |
| 318 | </h3> | 318 | </h3> |
| Offset 465, 17 lines modified | Offset 465, 17 lines modified | ||
| 465 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 465 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 466 | ··</a> | 466 | ··</a> |
| 467 | ··<span·class="text">Notifications</span> | 467 | ··<span·class="text">Notifications</span> |
| 468 | </h2> | 468 | </h2> |
| 469 | <p>Notifications·are·defined·in·SMIv1·with·the·TRAP-TYPE·macro·in·the·definition·of | 469 | <p>Notifications·are·defined·in·SMIv1·with·the·TRAP-TYPE·macro·in·the·definition·of |
| 470 | an·MIB·(see·RFC1215).·The·corresponding·macro·in·SMIv2·is·NOTIFICATION-TYPE. | 470 | an·MIB·(see·RFC1215).·The·corresponding·macro·in·SMIv2·is·NOTIFICATION-TYPE. |
| 471 | When·an·application·decides·to·send·a·notification,·it·calls·one·of·the | 471 | When·an·application·decides·to·send·a·notification,·it·calls·one·of·the |
| 472 | following·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">send_notification</span><span·class="p"·data-group-id=" | 472 | following·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">send_notification</span><span·class="p"·data-group-id="9193458432-1">(</span><span·class="n">Agent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Notification</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Receiver</span><span·class="w"> |
| 473 | ·······················</span><span·class="p"·data-group-id=" | 473 | ·······················</span><span·class="p"·data-group-id="9193458432-2">[</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NotifyName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ContextName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Varbind[·...·truncated·by·diffoscope;·len:·102,·SHA:·77ad46e4f7ae6715d1c0095450c6adcee5d508d812ff367da4cd86d1f6d6d068·...·]-1">)</span><span·class="w"> |
| 474 | </span><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">send_trap</span><span·class="p"·data-group-id=" | 474 | </span><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">send_trap</span><span·class="p"·data-group-id="9193458432-3">(</span><span·class="n">Agent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Notification</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Community</span><span·class="w">·</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·286,·SHA:·225825bc3d8017163f8727731ec2cfd46fb64cc95000f541335e4313394fa4b4·...·]-3">)</span></code></pre><p>providing·the·registered·name·or·process·identifier·of·the·agent·where·the·MIB, |
| 475 | which·defines·the·notification·is·loaded·and·the·symbolic·name·of·the | 475 | which·defines·the·notification·is·loaded·and·the·symbolic·name·of·the |
| 476 | notification.</p><p>If·the·<code·class="inline">send_notification/3,4</code>·function·is·used,·all·management·targets·are | 476 | notification.</p><p>If·the·<code·class="inline">send_notification/3,4</code>·function·is·used,·all·management·targets·are |
| 477 | selected,·as·defined·in·RFC2273.·The·<code·class="inline">Receiver</code>·parameter·defines·where·the | 477 | selected,·as·defined·in·RFC2273.·The·<code·class="inline">Receiver</code>·parameter·defines·where·the |
| 478 | agent·should·send·information·about·the·delivery·of·inform·requests.</p><p>If·the·<code·class="inline">send_notification/5</code>·function·is·used,·an·<code·class="inline">NotifyName</code>·must·be·provided. | 478 | agent·should·send·information·about·the·delivery·of·inform·requests.</p><p>If·the·<code·class="inline">send_notification/5</code>·function·is·used,·an·<code·class="inline">NotifyName</code>·must·be·provided. |
| 479 | This·parameter·is·used·as·an·index·in·the·<code·class="inline">snmpNotifyTable</code>,·and·the·management | 479 | This·parameter·is·used·as·an·index·in·the·<code·class="inline">snmpNotifyTable</code>,·and·the·management |
| 480 | targets·defined·by·that·single·entry·is·used.</p><p>The·<code·class="inline">send_notification/6</code>·function·is·the·most·general·version·of·the·function. | 480 | targets·defined·by·that·single·entry·is·used.</p><p>The·<code·class="inline">send_notification/6</code>·function·is·the·most·general·version·of·the·function. |
| 481 | A·<code·class="inline">ContextName</code>·must·be·specified,·from·which·the·notification·will·be·sent.·If | 481 | A·<code·class="inline">ContextName</code>·must·be·specified,·from·which·the·notification·will·be·sent.·If |
| Offset 611, 15 lines modified | Offset 611, 15 lines modified | ||
| 611 | ······<p·class="built-using"> | 611 | ······<p·class="built-using"> |
| 612 | ········Built·using | 612 | ········Built·using |
| 613 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 613 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 614 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 614 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 615 | ······</p> | 615 | ······</p> |
| 616 | <p>Copyright·©·1996-202 | 616 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 617 | ····</footer> | 617 | ····</footer> |
| 618 | ··</div> | 618 | ··</div> |
| 619 | </main> | 619 | </main> |
| 620 | </div> | 620 | </div> |
| 621 | <script> | 621 | <script> |
| 622 | ··function·mermaidLoaded()·{ | 622 | ··function·mermaidLoaded()·{ |
| 623 | ····mermaid.initialize({ | 623 | ····mermaid.initialize({ |
| Offset 263, 15 lines modified | Offset 263, 15 lines modified | ||
| 263 | ······<p·class="built-using"> | 263 | ······<p·class="built-using"> |
| 264 | ········Built·using | 264 | ········Built·using |
| 265 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 265 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 266 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 266 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 267 | ······</p> | 267 | ······</p> |
| 268 | <p>Copyright·©·1996-202 | 268 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 269 | ····</footer> | 269 | ····</footer> |
| 270 | ··</div> | 270 | ··</div> |
| 271 | </main> | 271 | </main> |
| 272 | </div> | 272 | </div> |
| 273 | <script> | 273 | <script> |
| 274 | ··function·mermaidLoaded()·{ | 274 | ··function·mermaidLoaded()·{ |
| 275 | ····mermaid.initialize({ | 275 | ····mermaid.initialize({ |
| Offset 136, 59 lines modified | Offset 136, 59 lines modified | ||
| 136 | ··<a·href="#configuration"·class="hover-link"> | 136 | ··<a·href="#configuration"·class="hover-link"> |
| 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 138 | ··</a> | 138 | ··</a> |
| 139 | ··<span·class="text">Configuration</span> | 139 | ··<span·class="text">Configuration</span> |
| 140 | </h2> | 140 | </h2> |
| 141 | <p>The·following·configuration·parameters·are·defined·for·the·SNMP·application. | 141 | <p>The·following·configuration·parameters·are·defined·for·the·SNMP·application. |
| 142 | Refer·to·application(3)·for·more·information·about·configuration·parameters.</p><p>The·snmp·part·of·the·config·file·specifying·the·configuration·parameters·is | 142 | Refer·to·application(3)·for·more·information·about·configuration·parameters.</p><p>The·snmp·part·of·the·config·file·specifying·the·configuration·parameters·is |
| 143 | basically·the·following·tuple:</p><pre><code·class="text">······{snmp,·snmp_components_config()}</code></pre><p>A·minimal·config·file·for·starting·a·node·with·both·a·manager·and·an·agent:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id=" | 143 | basically·the·following·tuple:</p><pre><code·class="text">······{snmp,·snmp_components_config()}</code></pre><p>A·minimal·config·file·for·starting·a·node·with·both·a·manager·and·an·agent:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id="1722772854-1">[</span><span·class="p"·data-group-id="1722772854-2">{</span><span·class="ss">snmp</span><span·class="p">,</span><span·class="w"> |
| 144 | ········</span><span·class="p"·data-group-id=" | 144 | ········</span><span·class="p"·data-group-id="1722772854-3">[</span><span·class="p"·data-group-id="1722772854-4">{</span><span·class="ss">agent</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1722772854-5">[</span><span·class="p"·data-group-id="1722772854-6">{</spa[·...·truncated·by·diffoscope;·len:·174,·SHA:·bf403395c9eb376973c0781e7ef9590f91a002d009f38b8842c8d2c776f19425·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 145 | ··················</span><span·class="p"·data-group-id=" | 145 | ··················</span><span·class="p"·data-group-id="1722772854-7">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1722772854-8">[</span><span·class="p"·data-group-id="1722772854-9">{</span><span·class="ss">dir</span><span·class="p">,</span[·...·truncated·by·diffoscope;·len:·333,·SHA:·b9171d63925de4a5363f027b11c17595b5032fa092732eb52d9ec3f1849ef091·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 146 | ·········</span><span·class="p"·data-group-id="6379709661-10">{</span><span·class="ss">manager</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6379709661-11">[</span><span·class="p"·data-group-id="6379709661-12">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6379709661-13">[</span><span·class="p"·data-group-id="6379709661-14">{</span><span·class="ss">dir</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/tmp/snmp/manager/conf"</span><span·class="p"·data-group-id="6379709661-14">}</span><span·class="p">,</span><span·class="w"> | ||
| 147 | ········· | 146 | ·········</span><span·class="p"·data-group-id="1722772854-10">{</span><span·class="ss">manager</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1722772854-11">[</span><span·class="p"·data-group-id="1722772854-12">{</span><span·cl[·...·truncated·by·diffoscope;·len:·381,·SHA:·f28ff478c5887caa06f1e9e5f4d6322f23665db8018c47ecc2b6c74842173dcf·...·]</span><span·class="w"> |
| 147 | ······························</span><span·class="p"·data-group-id="1722772854-15">{</span><span·class="ss">db_dir</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/tmp/snmp/manager/db"</span><span·class="p"·data-group-id="1722772854-15">}</span><span·class="p"·data-group-id="1722772854-13">]</span><span·class="p"·data-group-id="1722772854-12">}</span><span·class="p"·data-group-id="1722772854-11">]</span><span·class="p"·data-group-id="1722772854-10">}</span><span·class="p"·data-group-id="1722772854-3">]</span><span·class="p"·data-group-id="1722772854-2">}</span><span·class="w"> | ||
| 148 | ········</span><span·class="p"·data-group-id=" | 148 | ········</span><span·class="p"·data-group-id="1722772854-1">]</span><span·class="w"> |
| 149 | ·······</span><span·class="p">}</span><span·class="w"> | 149 | ·······</span><span·class="p">}</span><span·class="w"> |
| 150 | ······</span><span·class="p">]</span><span·class="p">.</span></code></pre><p>Each·snmp·component·has·its·own·set·of·configuration·parameters,·even·though | 150 | ······</span><span·class="p">]</span><span·class="p">.</span></code></pre><p>Each·snmp·component·has·its·own·set·of·configuration·parameters,·even·though |
| 151 | some·of·the·types·are·common·to·both·components.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="nf">snmp_components_config</span><span·class="p"·data-group-id=" | 151 | some·of·the·types·are·common·to·both·components.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="nf">snmp_components_config</span><span·class="p"·data-group-id="5142677218-1">(</span><span·class="p"·data-group-id="5142677218-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="5142677218-2">[</span><span·class="nf">snmp_component_config</span><span·c[·...·truncated·by·diffoscope;·len:·140,·SHA:·e2636a7aeb8b532333bd974445479329bdd29b7f09a59164c88480f532b2bda1·...·]-2">]</span><span·class="w"> |
| 152 | ······</span><span·class="nf">snmp_component_config</span><span·class="p"·data-group-id=" | 152 | ······</span><span·class="nf">snmp_component_config</span><span·class="p"·data-group-id="5142677218-4">(</span><span·class="p"·data-group-id="5142677218-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="5142677218-5">{</span><span·class="ss">agent</span><span·class="p">,</span[·...·truncated·by·diffoscope;·len:·611,·SHA:·0f8d028403e2fcfbb948d448da39dbde8395f4b6ecf0345e24a628f9b2bab433·...·]-7">}</span><span·class="w"> |
| 153 | ······</span><span·class="nf">agent_options</span><span·class="p"·data-group-id="8849065690-9">(</span><span·class="p"·data-group-id="8849065690-9">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8849065690-10">[</span><span·class="nf">agent_option</span><span·class="p"·data-group-id="8849065690-11">(</span><span·class="p"·data-group-id="8849065690-11">)</span><span·class="p"·data-group-id="8849065690-10">]</span><span·class="w"> | ||
| 154 | ······</span><span·class="nf">agent_option</span><span·class="p"·data-group-id=" | 153 | ······</span><span·class="nf">agent_options</span><span·class="p"·data-group-id="5142677218-9">(</span><span·class="p"·data-group-id="5142677218-9">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5142677218-10">[</span><span·class="nf"[·...·truncated·by·diffoscope;·len:·175,·SHA:·136ea002a3919cea3e51cb9c729f60c7a2db365d37cf3f419aff624e82c46913·...·]</span><span·class="w"> |
| 154 | ······</span><span·class="nf">agent_option</span><span·class="p"·data-group-id="5142677218-12">(</span><span·class="p"·data-group-id="5142677218-12">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5142677218-13">{</span><span·class="ss">restart_type</span><span·class="p">,</span><span·class="w">·····</span><span·class="nf">restart_type</span><span·class="p"·data-group-id="5142677218-14">(</span><span·class="p"·data-group-id="5142677218-14">)</span><span·class="p"·data-group-id="5142677218-13">}</span><span·class="w">·····</span><span·class="p">|</span><span·class="w"> | ||
| 155 | ·······················</span><span·class="p"·data-group-id=" | 155 | ·······················</span><span·class="p"·data-group-id="5142677218-15">{</span><span·class="ss">agent_type</span><span·class="p">,</span><span·class="w">·······</span><span·class="nf">agent_type</span><span·class="p"·data-group-id="5142677218-16">(</span><span·class="p"·data-group-id="5142677218-16">)</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·5e202887573e3125248b4ae71e2f64e42c892b235bd4a30a0aa85b0d80e331f4·...·]-15">}</span><span·class="w">·······</span><span·class="p">|</span><span·class="w"> |
| 156 | ·······················</span><span·class="p"·data-group-id=" | 156 | ·······················</span><span·class="p"·data-group-id="5142677218-17">{</span><span·class="ss">agent_verbosity</span><span·class="p">,</span><span·class="w">··</span><span·class="nf">verbosity</span><span·class="p"·data-group-id="5142677218-18">(</span><span·class="p"·data-group-id="5142677218-18">)</span><spa[·...·truncated·by·diffoscope;·len:·37,·SHA:·9ee4c0a6f1e0219813befb4b4b98293609db783839690232f9bf96b854e13243·...·]-17">}</span><span·class="w">········</span><span·class="p">|</span><span·class="w"> |
| 157 | ·······················</span><span·class="p"·data-group-id="8849065690-19">{</span><span·class="ss">discovery</span><span·class="p">,</span><span·class="w">········</span><span·class="nf">agent_discovery</span><span·class="p"·data-group-id="8849065690-20">(</span><span·class="p"·data-group-id="8849065690-20">)</span><span·class="p"·data-group-id="8849065690-19">}</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> | ||
| 158 | ·······················</span><span·class="p"·data-group-id=" | 157 | ·······················</span><span·class="p"·data-group-id="5142677218-19">{</span><span·class="ss">discovery</span><span·class="p">,</span><span·class="w">········</span><span·class="nf">agent_discovery</span><span·class="p"·data-group-id="5142677218-20">(</span><span·class="p"·data-group-id="5142677218-20">)</spa[·...·truncated·by·diffoscope;·len:·72,·SHA:·6481c557c3c38c139584fc1ede5dca5130ada839921868105c54e43c7ad110ae·...·]··</span><span·class="p">|</span><span·class="w"> |
| 158 | ·······················</span><span·class="p"·data-group-id="5142677218-21">{</span><span·class="ss">versions</span><span·class="p">,</span><span·class="w">·········</span><span·class="nf">versions</span><span·class="p"·data-group-id="5142677218-22">(</span><span·class="p"·data-group-id="5142677218-22">)</span><span·class="p"·data-group-id="5142677218-21">}</span><span·class="w">·········</span><span·class="p">|</span><span·class="w"> | ||
| 159 | ·······················</span><span·class="p"·data-group-id=" | 159 | ·······················</span><span·class="p"·data-group-id="5142677218-23">{</span><span·class="ss">gb_max_vbs</span><span·class="p">,</span><span·class="w">·······</span><span·class="nf">gb_max_vbs</span><span·class="p"·data-group-id="5142677218-24">(</span><span·class="p"·data-group-id="5142677218-24">)</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·5e202887573e3125248b4ae71e2f64e42c892b235bd4a30a0aa85b0d80e331f4·...·]-23">}</span><span·class="w">·······</span><span·class="p">|</span><span·class="w"> |
| 160 | ·······················</span><span·class="p"·data-group-id="8849065690-25">{</span><span·class="ss">priority</span><span·class="p">,</span><span·class="w">·········</span><span·class="nf">priority</span><span·class="p"·data-group-id="8849065690-26">(</span><span·class="p"·data-group-id="8849065690-26">)</span><span·class="p"·data-group-id="8849065690-25">}</span><span·class="w">·········</span><span·class="p">|</span><span·class="w"> | ||
| 161 | ·······················</span><span·class="p"·data-group-id=" | 160 | ·······················</span><span·class="p"·data-group-id="5142677218-25">{</span><span·class="ss">priority</span><span·class="p">,</span><span·class="w">·········</span><span·class="nf">priority</span><span·class="p"·data-group-id="5142677218-26">(</span><span·class="p"·data-group-id="5142677218-26">)</span><span[·...·truncated·by·diffoscope;·len:·71,·SHA:·0e760229af7ed20d63b447dfd46692bb7744b67d56ed5a29f66efca20e5b77a6·...·]···</span><span·class="p">|</span><span·class="w"> |
| 161 | ·······················</span><span·class="p"·data-group-id="5142677218-27">{</span><span·class="ss">multi_threaded</span><span·class="p">,</span><span·class="w">···</span><span·class="nf">multi_threaded</span><span·class="p"·data-group-id="5142677218-28">(</span><span·class="p"·data-group-id="5142677218-28">)</span><span·class="p"·data-group-id="5142677218-27">}</span><span·class="w">···</span><span·class="p">|</span><span·class="w"> | ||
| 162 | ·······················</span><span·class="p"·data-group-id=" | 162 | ·······················</span><span·class="p"·data-group-id="5142677218-29">{</span><span·class="ss">db_dir</span><span·class="p">,</span><span·class="w">···········</span><span·class="nf">db_dir</span><span·class="p"·data-group-id="5142677218-30">(</span><span·class="p"·data-group-id="5142677218-30">)</span><span·c[·...·truncated·by·diffoscope;·len:·34,·SHA:·8ce7b2e0a26d0260e746f3055ac5fcd1a4292b86f6231d9901b9e4eabd861c1d·...·]-29">}</span><span·class="w">···········</span><span·class="p">|</span><span·class="w"> |
| 163 | ·······················</span><span·class="p"·data-group-id=" | 163 | ·······················</span><span·class="p"·data-group-id="5142677218-31">{</span><span·class="ss">db_init_error</span><span·class="p">,</span><span·class="w">····</span><span·class="nf">db_init_error</span><span·class="p"·data-group-id="5142677218-32">(</span><span·class="p"·data-group-id="5142677218-32">)</span>[·...·truncated·by·diffoscope;·len:·41,·SHA:·3f46259afc88fee8e87a4d50bfc61e97b072532af700a3d87c9e6cde8103ca85·...·]-31">}</span><span·class="w">····</span><span·class="p">|</span><span·class="w"> |
| 164 | ·······················</span><span·class="p"·data-group-id=" | 164 | ·······················</span><span·class="p"·data-group-id="5142677218-33">{</span><span·class="ss">local_db</span><span·class="p">,</span><span·class="w">·········</span><span·class="nf">local_db</span><span·class="p"·data-group-id="5142677218-34">(</span><span·class="p"·data-group-id="5142677218-34">)</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·a7637700b54cfa52751b9025ff686cf8597f95588fb053139542f303bfcd442a·...·]-33">}</span><span·class="w">·········</span><span·class="p">|</span><span·class="w"> |
| 165 | ·······················</span><span·class="p"·data-group-id=" | 165 | ·······················</span><span·class="p"·data-group-id="5142677218-35">{</span><span·class="ss">net_if</span><span·class="p">,</span><span·class="w">···········</span><span·class="nf">agent_net_if</span><span·class="p"·data-group-id="5142677218-36">(</span><span·class="p"·data-group-id="5142677218-36">)</span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·15c34f6b41aadfce5a4ecd4c63f90743babd9d289b1c0a0464cc56b7e4dba279·...·]-35">}</span><span·class="w">·····</span><span·class="p">|</span><span·class="w"> |
| 166 | ·······················</span><span·class="p"·data-group-id=" | 166 | ·······················</span><span·class="p"·data-group-id="5142677218-37">{</span><span·class="ss">mibs</span><span·class="p">,</span><span·class="w">·············</span><span·class="nf">mibs</span><span·class="p"·data-group-id="5142677218-38">(</span><span·class="p"·data-group-id="5142677218-38">)</span><span·cla[·...·truncated·by·diffoscope;·len:·32,·SHA:·8306289c5773f826de34999b586d0cb0b4667a8dddf04369ffbc7cb245dd5bc9·...·]-37">}</span><span·class="w">·············</span><span·class="p">|</span><span·class="w"> |
| 167 | ·······················</span><span·class="p"·data-group-id=" | 167 | ·······················</span><span·class="p"·data-group-id="5142677218-39">{</span><span·class="ss">mib_storage</span><span·class="p">,</span><span·class="w">······</span><span·class="nf">mib_storage</span><span·class="p"·data-group-id="5142677218-40">(</span><span·class="p"·data-group-id="5142677218-40">)</span><s[·...·truncated·by·diffoscope;·len:·39,·SHA:·c78b4bf0ffe2804adb81c78507ac112023a20d2dbe57ffacaa614d14363a3964·...·]-39">}</span><span·class="w">······</span><span·class="p">|</span><span·class="w"> |
| 168 | ·······················</span><span·class="p"·data-group-id=" | 168 | ·······················</span><span·class="p"·data-group-id="5142677218-41">{</span><span·class="ss">mib_server</span><span·class="p">,</span><span·class="w">·······</span><span·class="nf">mib_server</span><span·class="p"·data-group-id="5142677218-42">(</span><span·class="p"·data-group-id="5142677218-42">)</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·5e202887573e3125248b4ae71e2f64e42c892b235bd4a30a0aa85b0d80e331f4·...·]-41">}</span><span·class="w">·······</span><span·class="p">|</span><span·class="w"> |
| 169 | ·······················</span><span·class="p"·data-group-id=" | 169 | ·······················</span><span·class="p"·data-group-id="5142677218-43">{</span><span·class="ss">audit_trail_log</span><span·class="p">,</span><span·class="w">··</span><span·class="nf">audit_trail_log</span><span·class="p"·data-group-id="5142677218-44">(</span><span·class="p"·data-group-id="5142677218-44">)</spa[·...·truncated·by·diffoscope;·len:·43,·SHA:·b4b280738d18e4fcf5634bbcca1df17363f9f20547afd86acc0b6b4ced9ce907·...·]-43">}</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> |
| 170 | ·······················</span><span·class="p"·data-group-id=" | 170 | ·······················</span><span·class="p"·data-group-id="5142677218-45">{</span><span·class="ss">error_report_mod</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">error_report_mod</span><span·class="p"·data-group-id="5142677218-46">(</span><span·class="p"·data-group-id="5142677218-46">)</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·166edb8a100b743fe169732ce57daed66124996c3af204e358d1f9ac581ef1f7·...·]-45">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 171 | ·······················</span><span·class="p"·data-group-id=" | 171 | ·······················</span><span·class="p"·data-group-id="5142677218-47">{</span><span·class="ss">note_store</span><span·class="p">,</span><span·class="w">·······</span><span·class="nf">note_store</span><span·class="p"·data-group-id="5142677218-48">(</span><span·class="p"·data-group-id="5142677218-48">)</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·5e202887573e3125248b4ae71e2f64e42c892b235bd4a30a0aa85b0d80e331f4·...·]-47">}</span><span·class="w">·······</span><span·class="p">|</span><span·class="w"> |
| 172 | ·······················</span><span·class="p"·data-group-id=" | 172 | ·······················</span><span·class="p"·data-group-id="5142677218-49">{</span><span·class="ss">symbolic_store</span><span·class="p">,</span><span·class="w">···</span><span·class="nf">symbolic_store</span><span·class="p"·data-group-id="5142677218-50">(</span><span·class="p"·data-group-id="5142677218-50">)</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·144b376cda1409f709a94e250efcb85af37c439c847774e8a375247ccd205c31·...·]-49">}</span><span·class="w">···</span><span·class="p">|</span><span·class="w"> |
| 173 | ·······················</span><span·class="p"·data-group-id=" | 173 | ·······················</span><span·class="p"·data-group-id="5142677218-51">{</span><span·class="ss">target_cache</span><span·class="p">,</span><span·class="w">·····</span><span·class="nf">target_cache</span><span·class="p"·data-group-id="5142677218-52">(</span><span·class="p"·data-group-id="5142677218-52">)</span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·15c34f6b41aadfce5a4ecd4c63f90743babd9d289b1c0a0464cc56b7e4dba279·...·]-51">}</span><span·class="w">·····</span><span·class="p">|</span><span·class="w"> |
| 174 | ·······················</span><span·class="p"·data-group-id="8849065690-53">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">···········</span><span·class="nf">agent_config</span><span·class="p"·data-group-id="8849065690-54">(</span><span·class="p"·data-group-id="8849065690-54">)</span><span·class="p"·data-group-id="8849065690-53">}</span><span·class="w"> | ||
| 175 | ······</span><span·class="nf">manager_options</span><span·class="p"·data-group-id="8849065690-55">(</span><span·class="p"·data-group-id="8849065690-55">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8849065690-56">[</span><span·class="nf">manager_option</span><span·class="p"·data-group-id="8849065690-57">(</span><span·class="p"·data-group-id="8849065690-57">)</span><span·class="p"·data-group-id="8849065690-56">]</span><span·class="w"> | ||
| 176 | ······ | 174 | ·······················</span><span·class="p"·data-group-id="5142677218-53">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">···········</span><span·class="nf">agent_config</span><span·class="p"·data-group-id="5142677218-54">(</span>[·...·truncated·by·diffoscope;·len:·101,·SHA:·77c5995f42688b43e3a6f6768deede2563fa58176d81d76a9c3fc915fb868a71·...·]</span><span·class="w"> |
| 175 | ······</span><span·class="nf">manager_options</span><span·class="p"·data-group-id="5142677218-55">(</span><span·class="p"·data-group-id="5142677218-55">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5142677218-56">[</span><span·class="nf">manager_option</span><span·class="p"·data-group-id="5142677218-57">(</span><span·class="p"·data-group-id="5142677218-57">)</span><span·class="p"·data-group-id="5142677218-56">]</span><span·class="w"> | ||
| 176 | ······</span><span·class="nf">manager_option</span><span·class="p"·data-group-id="5142677218-58">(</span><span·class="p"·data-group-id="5142677218-58">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="5142677218-59">{</span><span·class="ss">restart_type</span><span·class="p">,</span><span·class="w">·············</span><span·class="nf">restart_type</span><span·class="p"·data-group-id="5142677218-60">(</span><span·class="p"·data-group-id="5142677218-60">)</span><span·class="p"·data-group-id="5142677218-59">}</span><span·class="w">····</span><span·class="p">|</span><span·class="w"> | ||
| 177 | ·························</span><span·class="p"·data-group-id=" | 177 | ·························</span><span·class="p"·data-group-id="5142677218-61">{</span><span·class="ss">net_if</span><span·class="p">,</span><span·class="w">···················</span><span·class="nf">manager_net_if</span><span·class="p"·data-group-id="5142677218-62">(</span><span·class="p"·data-group-id="5142677218-62"[·...·truncated·by·diffoscope;·len:·50,·SHA:·53309a32d3cdc81473e3a0dc8f776fc1beaf5f31cdc20c0d701d7a850cc7d21e·...·]-61">}</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> |
| 178 | ·························</span><span·class="p"·data-group-id=" | 178 | ·························</span><span·class="p"·data-group-id="5142677218-63">{</span><span·class="ss">server</span><span·class="p">,</span><span·class="w">···················</span><span·class="nf">server</span><span·class="p"·data-group-id="5142677218-64">(</span><span·class="p"·data-group-id="5142677218-64">)</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·144b376cda1409f709a94e250efcb85af37c439c847774e8a375247ccd205c31·...·]-63">}</span><span·class="w">··········</span><span·class="p">|</span><span·class="w"> |
| 179 | ·························</span><span·class="p"·data-group-id=" | 179 | ·························</span><span·class="p"·data-group-id="5142677218-65">{</span><span·class="ss">note_store</span><span·class="p">,</span><span·class="w">···············</span><span·class="nf">note_store</span><span·class="p"·data-group-id="5142677218-66">(</span><span·class="p"·data-group-id="5142677218-66">)</[·...·truncated·by·diffoscope;·len:·46,·SHA:·1d394884ea5691d70c103598417f549a2d01440868e8fd137a896ff01e7277c3·...·]-65">}</span><span·class="w">······</span><span·class="p">|</span><span·class="w"> |
| 180 | ·························</span><span·class="p"·data-group-id=" | 180 | ·························</span><span·class="p"·data-group-id="5142677218-67">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">···················</span><span·class="nf">manager_config</span><span·class="p"·data-group-id="5142677218-68">(</span><span·class="p"·data-group-id="5142677218-68"[·...·truncated·by·diffoscope;·len:·50,·SHA:·53309a32d3cdc81473e3a0dc8f776fc1beaf5f31cdc20c0d701d7a850cc7d21e·...·]-67">}</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> |
| 181 | ·························</span><span·class="p"·data-group-id=" | 181 | ·························</span><span·class="p"·data-group-id="5142677218-69">{</span><span·class="ss">inform_request_behaviour</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">manager_irb</span><span·class="p"·data-group-id="5142677218-70">(</span><span·class="p"·data-group-id="5142677218-70">)<[·...·truncated·by·diffoscope;·len:·47,·SHA:·674bf12308e3f87de86d56ff1b01ce2fe3711ca9ad56b7d222c5581bf46b16f3·...·]-69">}</span><span·class="w">·····</span><span·class="p">|</span><span·class="w"> |
| 182 | ·························</span><span·class="p"·data-group-id=" | 182 | ·························</span><span·class="p"·data-group-id="5142677218-71">{</span><span·class="ss">mibs</span><span·class="p">,</span><span·class="w">·····················</span><span·class="nf">manager_mibs</span><span·class="p"·data-group-id="5142677218-72">(</span><span·class="p"·data-group-id="5142677218-72">)[·...·truncated·by·diffoscope;·len:·48,·SHA:·a6c606f5ba3c6f966f81253c0cef2cf34acfe93afdfa05eb02ffc4e70924662e·...·]-71">}</span><span·class="w">····</span><span·class="p">|</span><span·class="w"> |
| 183 | ·························</span><span·class="p"·data-group-id="8849065690-73">{</span><span·class="ss">priority</span><span·class="p">,</span><span·class="w">·················</span><span·class="nf">priority</span><span·class="p"·data-group-id="8849065690-74">(</span><span·class="p"·data-group-id="8849065690-74">)</span><span·class="p"·data-group-id="8849065690-73">}</span><span·class="w">········</span><span·class="p">|</span><span·class="w"> | ||
| 184 | ·························</span><span·class="p"·data-group-id=" | 183 | ·························</span><span·class="p"·data-group-id="5142677218-73">{</span><span·class="ss">priority</span><span·class="p">,</span><span·class="w">·················</span><span·class="nf">priority</span><span·class="p"·data-group-id="5142677218-74">(</span><span·class="p"·data-group-id="5142677218-74">)</sp[·...·truncated·by·diffoscope;·len:·80,·SHA:·4a0109b8e2efa70b25bc60089aeb1dd8b4dc8651b74a2637ce13607e7640a543·...·]·</span><span·class="p">|</span><span·class="w"> |
| 184 | ·························</span><span·class="p"·data-group-id="5142677218-75">{</span><span·class="ss">audit_trail_log</span><span·class="p">,</span><span·class="w">··········</span><span·class="nf">audit_trail_log</span><span·class="p"·data-group-id="5142677218-76">(</span><span·class="p"·data-group-id="5142677218-76">)</span><span·class="p"·data-group-id="5142677218-75">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 185 | ·························</span><span·class="p"·data-group-id=" | 185 | ·························</span><span·class="p"·data-group-id="5142677218-77">{</span><span·class="ss">versions</span><span·class="p">,</span><span·class="w">·················</span><span·class="nf">versions</span><span·class="p"·data-group-id="5142677218-78">(</span><span·class="p"·data-group-id="5142677218-78">)</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·166edb8a100b743fe169732ce57daed66124996c3af204e358d1f9ac581ef1f7·...·]-77">}</span><span·class="w">········</span><span·class="p">|</span><span·class="w"> |
| 186 | ·························</span><span·class="p"·data-group-id=" | 186 | ·························</span><span·class="p"·data-group-id="5142677218-79">{</span><span·class="ss">def_user_mod</span><span·class="p">,</span><span·class="w">·············</span><span·class="nf">def_user_module</span><span·class="p"·data-group-id="5142677218-80">(</span><span·class="p"·data-group-id="5142677218-80">)</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> |
| 187 | ·························</span><span·class="p"·data-group-id=" | 187 | ·························</span><span·class="p"·data-group-id="5142677218-81">{</span><span·class="ss">def_user_data</span><span·class="p">,</span><span·class="w">············</span><span·class="nf">def_user_data</span><span·class="p"·data-group-id="5142677218-82">(</span><span·class="p"·data-group-id="5142677218-82">[·...·truncated·by·diffoscope;·len:·49,·SHA:·1f7f68a4e0a1404a0113b25c3736890961e551a800f3818286d629514f526240·...·]-81">}</span></code></pre><p><a·href=""·id="agent_opts_and_types"></a></p><p>Agent·specific·config·options·and·types:</p><ul><li><p><strong><code·class="inline"·id="agent_type">agent_type()·=·master·|·sub·<optional></code></strong>·-·If·<code·class="inline">master</code>, |
| 188 | one·master·agent·is·started.·Otherwise,·no·agents·are·started.</p><p>Default·is·<code·class="inline">master</code>.</p></li><li><p><strong><code·class="inline"·id="agent_disco">agent_discovery()·=·[agent_discovery_opt()]·<optional></code></strong>·- | 188 | one·master·agent·is·started.·Otherwise,·no·agents·are·started.</p><p>Default·is·<code·class="inline">master</code>.</p></li><li><p><strong><code·class="inline"·id="agent_disco">agent_discovery()·=·[agent_discovery_opt()]·<optional></code></strong>·- |
| 189 | <code·class="inline">agent_discovery_opt()·=·{terminating,·agent_terminating_discovery_opts()}·|·{originating,·agent_originating_discovery_opts()}</code></p><p>The·<code·class="inline">terminating</code>·options·effects·discovery·initiated·by·a·manager.</p><p>The·<code·class="inline">originating</code>·options·effects·discovery·initiated·by·this·agent.</p><p>For·defaults·see·the·options·in·<code·class="inline">agent_discovery_opt()</code>.</p></li><li><p><strong><code·class="inline"·id="agent_term_disco_opts">agent_terminating_discovery_opts()·=·[agent_terminating_discovery_opt()]·<optional></code></strong>·- | 189 | <code·class="inline">agent_discovery_opt()·=·{terminating,·agent_terminating_discovery_opts()}·|·{originating,·agent_originating_discovery_opts()}</code></p><p>The·<code·class="inline">terminating</code>·options·effects·discovery·initiated·by·a·manager.</p><p>The·<code·class="inline">originating</code>·options·effects·discovery·initiated·by·this·agent.</p><p>For·defaults·see·the·options·in·<code·class="inline">agent_discovery_opt()</code>.</p></li><li><p><strong><code·class="inline"·id="agent_term_disco_opts">agent_terminating_discovery_opts()·=·[agent_terminating_discovery_opt()]·<optional></code></strong>·- |
| 190 | <code·class="inline">agent_terminating_discovery_opt()·=·{enable,·boolean()}·|·{stage2,·discovery·|·plain}·|·{trigger_username,·string()}</code></p><p>These·are·options·effecting·discovery·<code·class="inline">terminating</code>·in·this·agent·(i.e. | 190 | <code·class="inline">agent_terminating_discovery_opt()·=·{enable,·boolean()}·|·{stage2,·discovery·|·plain}·|·{trigger_username,·string()}</code></p><p>These·are·options·effecting·discovery·<code·class="inline">terminating</code>·in·this·agent·(i.e. |
| 191 | initiated·by·a·manager).</p><p>The·default·values·for·the·<code·class="inline">terminating</code>·discovery·options·are:</p><ul><li>enable:·<code·class="inline">true</code></li><li>stage2:·<code·class="inline">discovery</code></li><li>trigger_username:·<code·class="inline">""</code></li></ul></li><li><p><strong><code·class="inline"·id="agent_orig_disco_opts">agent_originating_discovery_opts()·=·[agent_originating_discovery_opt()]·<optional></code></strong>·- | 191 | initiated·by·a·manager).</p><p>The·default·values·for·the·<code·class="inline">terminating</code>·discovery·options·are:</p><ul><li>enable:·<code·class="inline">true</code></li><li>stage2:·<code·class="inline">discovery</code></li><li>trigger_username:·<code·class="inline">""</code></li></ul></li><li><p><strong><code·class="inline"·id="agent_orig_disco_opts">agent_originating_discovery_opts()·=·[agent_originating_discovery_opt()]·<optional></code></strong>·- |
| 192 | <code·class="inline">agent_originating_discovery_opt()·=·{enable,·boolean()}</code></p><p>These·are·options·effecting·discovery·<code·class="inline">originating</code>·in·this·agent.</p><p>The·default·values·for·the·<code·class="inline">originating</code>·discovery·options·are:</p><ul><li>enable:·<code·class="inline">true</code></li></ul></li><li><p><strong><code·class="inline"·id="agent_mt">multi_threaded()·=·bool()·|·extended·<optional></code></strong>·-·If | 192 | <code·class="inline">agent_originating_discovery_opt()·=·{enable,·boolean()}</code></p><p>These·are·options·effecting·discovery·<code·class="inline">originating</code>·in·this·agent.</p><p>The·default·values·for·the·<code·class="inline">originating</code>·discovery·options·are:</p><ul><li>enable:·<code·class="inline">true</code></li></ul></li><li><p><strong><code·class="inline"·id="agent_mt">multi_threaded()·=·bool()·|·extended·<optional></code></strong>·-·If |
| 193 | <code·class="inline">true</code>·(or·<code·class="inline">extended</code>),·the·agent·is·multi-threaded,·with·one·thread·for·each | 193 | <code·class="inline">true</code>·(or·<code·class="inline">extended</code>),·the·agent·is·multi-threaded,·with·one·thread·for·each |
| 194 | get·request.</p><p>The·value·<code·class="inline">extended</code>·means·that·a·special·'process'·is·also·created·intended | 194 | get·request.</p><p>The·value·<code·class="inline">extended</code>·means·that·a·special·'process'·is·also·created·intended |
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| 421 | ······<p·class="built-using"> | 421 | ······<p·class="built-using"> |
| 422 | ········Built·using | 422 | ········Built·using |
| 423 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 423 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 424 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 424 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 425 | ······</p> | 425 | ······</p> |
| 426 | <p>Copyright·©·1996-202 | 426 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 427 | ····</footer> | 427 | ····</footer> |
| 428 | ··</div> | 428 | ··</div> |
| 429 | </main> | 429 | </main> |
| 430 | </div> | 430 | </div> |
| 431 | <script> | 431 | <script> |
| 432 | ··function·mermaidLoaded()·{ | 432 | ··function·mermaidLoaded()·{ |
| 433 | ····mermaid.initialize({ | 433 | ····mermaid.initialize({ |
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| 179 | ······<p·class="built-using"> | 179 | ······<p·class="built-using"> |
| 180 | ········Built·using | 180 | ········Built·using |
| 181 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 181 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 182 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 182 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 183 | ······</p> | 183 | ······</p> |
| 184 | <p>Copyright·©·1996-202 | 184 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 185 | ····</footer> | 185 | ····</footer> |
| 186 | ··</div> | 186 | ··</div> |
| 187 | </main> | 187 | </main> |
| 188 | </div> | 188 | </div> |
| 189 | <script> | 189 | <script> |
| 190 | ··function·mermaidLoaded()·{ | 190 | ··function·mermaidLoaded()·{ |
| 191 | ····mermaid.initialize({ | 191 | ····mermaid.initialize({ |
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| 649 | ······<p·class="built-using"> | 649 | ······<p·class="built-using"> |
| 650 | ········Built·using | 650 | ········Built·using |
| 651 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 651 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 652 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 652 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 653 | ······</p> | 653 | ······</p> |
| 654 | <p>Copyright·©·1996-202 | 654 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 655 | ····</footer> | 655 | ····</footer> |
| 656 | ··</div> | 656 | ··</div> |
| 657 | </main> | 657 | </main> |
| 658 | </div> | 658 | </div> |
| 659 | <script> | 659 | <script> |
| 660 | ··function·mermaidLoaded()·{ | 660 | ··function·mermaidLoaded()·{ |
| 661 | ····mermaid.initialize({ | 661 | ····mermaid.initialize({ |
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| 186 | ······<p·class="built-using"> | 186 | ······<p·class="built-using"> |
| 187 | ········Built·using | 187 | ········Built·using |
| 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 188 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 189 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 190 | ······</p> | 190 | ······</p> |
| 191 | <p>Copyright·©·1996-202 | 191 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 192 | ····</footer> | 192 | ····</footer> |
| 193 | ··</div> | 193 | ··</div> |
| 194 | </main> | 194 | </main> |
| 195 | </div> | 195 | </div> |
| 196 | <script> | 196 | <script> |
| 197 | ··function·mermaidLoaded()·{ | 197 | ··function·mermaidLoaded()·{ |
| 198 | ····mermaid.initialize({ | 198 | ····mermaid.initialize({ |
| Offset 198, 15 lines modified | Offset 198, 15 lines modified | ||
| 198 | ······<p·class="built-using"> | 198 | ······<p·class="built-using"> |
| 199 | ········Built·using | 199 | ········Built·using |
| 200 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 200 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 201 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 201 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 202 | ······</p> | 202 | ······</p> |
| 203 | <p>Copyright·©·1996-202 | 203 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 204 | ····</footer> | 204 | ····</footer> |
| 205 | ··</div> | 205 | ··</div> |
| 206 | </main> | 206 | </main> |
| 207 | </div> | 207 | </div> |
| 208 | <script> | 208 | <script> |
| 209 | ··function·mermaidLoaded()·{ | 209 | ··function·mermaidLoaded()·{ |
| 210 | ····mermaid.initialize({ | 210 | ····mermaid.initialize({ |
| Offset 595, 15 lines modified | Offset 595, 15 lines modified | ||
| 595 | ······<p·class="built-using"> | 595 | ······<p·class="built-using"> |
| 596 | ········Built·using | 596 | ········Built·using |
| 597 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 597 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 598 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 598 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 599 | ······</p> | 599 | ······</p> |
| 600 | <p>Copyright·©·1996-202 | 600 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 601 | ····</footer> | 601 | ····</footer> |
| 602 | ··</div> | 602 | ··</div> |
| 603 | </main> | 603 | </main> |
| 604 | </div> | 604 | </div> |
| 605 | <script> | 605 | <script> |
| 606 | ··function·mermaidLoaded()·{ | 606 | ··function·mermaidLoaded()·{ |
| 607 | ····mermaid.initialize({ | 607 | ····mermaid.initialize({ |
| Offset 141, 49 lines modified | Offset 141, 49 lines modified | ||
| 141 | <a·href="snmp_agent_config_files.html">Definition·of·Agent·Configuration·Files</a>·for·more | 141 | <a·href="snmp_agent_config_files.html">Definition·of·Agent·Configuration·Files</a>·for·more |
| 142 | information).</li><li>the·<em>database·directory</em>·stores·the·internal·database·files.</li></ul><p>The·following·directory·must·exist·in·the·system·to·run·the·manager:</p><ul><li>the·<em>configuration·directory</em>·stores·all·configuration·files·used·by·the | 142 | information).</li><li>the·<em>database·directory</em>·stores·the·internal·database·files.</li></ul><p>The·following·directory·must·exist·in·the·system·to·run·the·manager:</p><ul><li>the·<em>configuration·directory</em>·stores·all·configuration·files·used·by·the |
| 143 | manager·(refer·to·the·chapter | 143 | manager·(refer·to·the·chapter |
| 144 | <a·href="snmp_manager_config_files.html">Definition·of·Manager·Configuration·Files</a>·for | 144 | <a·href="snmp_manager_config_files.html">Definition·of·Manager·Configuration·Files</a>·for |
| 145 | more·information).</li><li>the·<em>database·directory</em>·stores·the·internal·database·files.</li></ul><p>The·agent·and·manager·uses·(application)·configuration·parameters·to·find·out | 145 | more·information).</li><li>the·<em>database·directory</em>·stores·the·internal·database·files.</li></ul><p>The·agent·and·manager·uses·(application)·configuration·parameters·to·find·out |
| 146 | where·these·directories·are·located.·The·parameters·should·be·defined·in·an | 146 | where·these·directories·are·located.·The·parameters·should·be·defined·in·an |
| 147 | Erlang·system·configuration·file.·The·following·configuration·parameters·are | 147 | Erlang·system·configuration·file.·The·following·configuration·parameters·are |
| 148 | defined·for·the·SNMP·application:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="nf">agent_options</span><span·class="p"·data-group-id="2402278525-1">(</span><span·class="p"·data-group-id="2402278525-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2402278525-2">[</span><span·class="nf">agent_option</span><span·class="p"·data-group-id="2402278525-3">(</span><span·class="p"·data-group-id="2402278525-3">)</span><span·class="p"·data-group-id="2402278525-2">]</span><span·class="w"> | ||
| 149 | 148 | defined·for·the·SNMP·application:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="nf">agent_options</span><span·class="p"·data-group-id="0334132677-1">(</span><span·class="p"·data-group-id="0334132677-1">)</span[·...·truncated·by·diffoscope;·len:·314,·SHA:·fcbf2c1db6e41f7455d784612c6d0e442d38a8ccdfd226bbee99920c02ae8d17·...·]</span><span·class="w"> | |
| 149 | ······</span><span·class="nf">agent_option</span><span·class="p"·data-group-id="0334132677-4">(</span><span·class="p"·data-group-id="0334132677-4">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0334132677-5">{</span><span·class="ss">restart_type</span><span·class="p">,</span><span·class="w">·····</span><span·class="nf">restart_type</span><span·class="p"·data-group-id="0334132677-6">(</span><span·class="p"·data-group-id="0334132677-6">)</span><span·class="p"·data-group-id="0334132677-5">}</span><span·class="w">·····</span><span·class="p">|</span><span·class="w"> | ||
| 150 | ·······················</span><span·class="p"·data-group-id=" | 150 | ·······················</span><span·class="p"·data-group-id="0334132677-7">{</span><span·class="ss">agent_type</span><span·class="p">,</span><span·class="w">·······</span><span·class="nf">agent_type</span><span·class="p"·data-group-id="0334132677-8">(</span><span·class="p"·data-group-id="0334132677-8">)</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·0fcec58c3d4c60f8cf5a1984c55b6bdcdb975a0296d2a755e19c73a8e720b036·...·]-7">}</span><span·class="w">·······</span><span·class="p">|</span><span·class="w"> |
| 151 | ·······················</span><span·class="p"·data-group-id=" | 151 | ·······················</span><span·class="p"·data-group-id="0334132677-9">{</span><span·class="ss">agent_verbosity</span><span·class="p">,</span><span·class="w">··</span><span·class="nf">verbosity</span><span·class="p"·data-group-id="0334132677-10">(</span><span·class="p"·data-group-id="0334132677-10">)</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·b189c2daac6b24ced66a231ca80606b862e2b6c03e6fc09138c177939e68b0b6·...·]-9">}</span><span·class="w">········</span><span·class="p">|</span><span·class="w"> |
| 152 | ·······················</span><span·class="p"·data-group-id=" | 152 | ·······················</span><span·class="p"·data-group-id="0334132677-11">{</span><span·class="ss">versions</span><span·class="p">,</span><span·class="w">·········</span><span·class="nf">versions</span><span·class="p"·data-group-id="0334132677-12">(</span><span·class="p"·data-group-id="0334132677-12">)</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·b189c2daac6b24ced66a231ca80606b862e2b6c03e6fc09138c177939e68b0b6·...·]-11">}</span><span·class="w">·········</span><span·class="p">|</span><span·class="w"> |
| 153 | ·······················</span><span·class="p"·data-group-id=" | 153 | ·······················</span><span·class="p"·data-group-id="0334132677-13">{</span><span·class="ss">discovery</span><span·class="p">,</span><span·class="w">········</span><span·class="nf">agent_discovery</span><span·class="p"·data-group-id="0334132677-14">(</span><span·class="p"·data-group-id="0334132677-14">)</spa[·...·truncated·by·diffoscope;·len:·43,·SHA:·51ddbdf914349803d175f5a3ba3cd9c379819b9bcbd03f2d101001600cdfc54b·...·]-13">}</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> |
| 154 | ·······················</span><span·class="p"·data-group-id=" | 154 | ·······················</span><span·class="p"·data-group-id="0334132677-15">{</span><span·class="ss">gb_max_vbs</span><span·class="p">,</span><span·class="w">·······</span><span·class="nf">gb_max_vbs</span><span·class="p"·data-group-id="0334132677-16">(</span><span·class="p"·data-group-id="0334132677-16">)</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·991132d6ed1169b58e01b240235c04b4139eef36fbdc5d306a174379092765ed·...·]-15">}</span><span·class="w">·······</span><span·class="p">|</span><span·class="w"> |
| 155 | ·······················</span><span·class="p"·data-group-id=" | 155 | ·······················</span><span·class="p"·data-group-id="0334132677-17">{</span><span·class="ss">priority</span><span·class="p">,</span><span·class="w">·········</span><span·class="nf">priority</span><span·class="p"·data-group-id="0334132677-18">(</span><span·class="p"·data-group-id="0334132677-18">)</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·b189c2daac6b24ced66a231ca80606b862e2b6c03e6fc09138c177939e68b0b6·...·]-17">}</span><span·class="w">·········</span><span·class="p">|</span><span·class="w"> |
| 156 | ·······················</span><span·class="p"·data-group-id=" | 156 | ·······················</span><span·class="p"·data-group-id="0334132677-19">{</span><span·class="ss">multi_threaded</span><span·class="p">,</span><span·class="w">···</span><span·class="nf">multi_threaded</span><span·class="p"·data-group-id="0334132677-20">(</span><span·class="p"·data-group-id="0334132677-20">)</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·bb8d86fc9ba5f430380e361bb9d03a9e0b93fa09377090a28f1153382cebf751·...·]-19">}</span><span·class="w">···</span><span·class="p">|</span><span·class="w"> |
| 157 | ·······················</span><span·class="p"·data-group-id=" | 157 | ·······················</span><span·class="p"·data-group-id="0334132677-21">{</span><span·class="ss">db_dir</span><span·class="p">,</span><span·class="w">···········</span><span·class="nf">db_dir</span><span·class="p"·data-group-id="0334132677-22">(</span><span·class="p"·data-group-id="0334132677-22">)</span><span·c[·...·truncated·by·diffoscope;·len:·34,·SHA:·7168ccf2001204488b092123696e8c9eabfa7a1896c77719ccc8b4d7bd2b2666·...·]-21">}</span><span·class="w">···········</span><span·class="p">|</span><span·class="w"> |
| 158 | ·······················</span><span·class="p"·data-group-id=" | 158 | ·······················</span><span·class="p"·data-group-id="0334132677-23">{</span><span·class="ss">db_init_error</span><span·class="p">,</span><span·class="w">····</span><span·class="nf">db_init_error</span><span·class="p"·data-group-id="0334132677-24">(</span><span·class="p"·data-group-id="0334132677-24">)</span>[·...·truncated·by·diffoscope;·len:·41,·SHA:·63dfec1b579b79cba49e34801d9d70b733b5487fc834c81e3001f506b5d5469f·...·]-23">}</span><span·class="w">····</span><span·class="p">|</span><span·class="w"> |
| 159 | ·······················</span><span·class="p"·data-group-id=" | 159 | ·······················</span><span·class="p"·data-group-id="0334132677-25">{</span><span·class="ss">local_db</span><span·class="p">,</span><span·class="w">·········</span><span·class="nf">local_db</span><span·class="p"·data-group-id="0334132677-26">(</span><span·class="p"·data-group-id="0334132677-26">)</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·b189c2daac6b24ced66a231ca80606b862e2b6c03e6fc09138c177939e68b0b6·...·]-25">}</span><span·class="w">·········</span><span·class="p">|</span><span·class="w"> |
| 160 | ·······················</span><span·class="p"·data-group-id=" | 160 | ·······················</span><span·class="p"·data-group-id="0334132677-27">{</span><span·class="ss">net_if</span><span·class="p">,</span><span·class="w">···········</span><span·class="nf">agent_net_if</span><span·class="p"·data-group-id="0334132677-28">(</span><span·class="p"·data-group-id="0334132677-28">)</span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·8ad7ffa2fb3da7844f1e11993e5c7a1b060c584a1db3bcb9ee916de042fb882d·...·]-27">}</span><span·class="w">·····</span><span·class="p">|</span><span·class="w"> |
| 161 | ·······················</span><span·class="p"·data-group-id=" | 161 | ·······················</span><span·class="p"·data-group-id="0334132677-29">{</span><span·class="ss">mibs</span><span·class="p">,</span><span·class="w">·············</span><span·class="nf">mibs</span><span·class="p"·data-group-id="0334132677-30">(</span><span·class="p"·data-group-id="0334132677-30">)</span><span·cla[·...·truncated·by·diffoscope;·len:·32,·SHA:·1bdc8fc2c759e59c9247b5da54eaedfbccf1d2bd58efcbb8174f5b5bab2294ea·...·]-29">}</span><span·class="w">·············</span><span·class="p">|</span><span·class="w"> |
| 162 | ·······················</span><span·class="p"·data-group-id=" | 162 | ·······················</span><span·class="p"·data-group-id="0334132677-31">{</span><span·class="ss">mib_storage</span><span·class="p">,</span><span·class="w">······</span><span·class="nf">mib_storage</span><span·class="p"·data-group-id="0334132677-32">(</span><span·class="p"·data-group-id="0334132677-32">)</span><s[·...·truncated·by·diffoscope;·len:·39,·SHA:·fc609922a97b9ee4c991a300da6ffd1fa6157af5488890e4ecaf3f95788d4534·...·]-31">}</span><span·class="w">······</span><span·class="p">|</span><span·class="w"> |
| 163 | ·······················</span><span·class="p"·data-group-id=" | 163 | ·······················</span><span·class="p"·data-group-id="0334132677-33">{</span><span·class="ss">mib_server</span><span·class="p">,</span><span·class="w">·······</span><span·class="nf">mib_server</span><span·class="p"·data-group-id="0334132677-34">(</span><span·class="p"·data-group-id="0334132677-34">)</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·991132d6ed1169b58e01b240235c04b4139eef36fbdc5d306a174379092765ed·...·]-33">}</span><span·class="w">·······</span><span·class="p">|</span><span·class="w"> |
| 164 | ·······················</span><span·class="p"·data-group-id="2402278525-35">{</span><span·class="ss">audit_trail_log</span><span·class="p">,</span><span·class="w">··</span><span·class="nf">audit_trail_log</span><span·class="p"·data-group-id="2402278525-36">(</span><span·class="p"·data-group-id="2402278525-36">)</span><span·class="p"·data-group-id="2402278525-35">}</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> | ||
| 165 | ·······················</span><span·class="p"·data-group-id="2402278525-37">{</span><span·class="ss">error_report_mod</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">error_report_mod</span><span·class="p"·data-group-id="2402278525-38">(</span><span·class="p"·data-group-id="2402278525-38">)</span><span·class="p"·data-group-id="2402278525-37">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 166 | ·······················</span><span·class="p"·data-group-id=" | 164 | ·······················</span><span·class="p"·data-group-id="0334132677-35">{</span><span·class="ss">audit_trail_log</span><span·class="p">,</span><span·class="w">··</span><span·class="nf">audit_trail_log</span><span·class="p"·data-group-id="0334132677-36">(</span><span·class="p"·data-group-id="0334132677-36">)</spa[·...·truncated·by·diffoscope;·len:·72,·SHA:·cbeaf5344f058f2335ada4cb6e7b3d78aeef97476d1a08375e541074c08b3291·...·]··</span><span·class="p">|</span><span·class="w"> |
| 165 | ·······················</span><span·class="p"·data-group-id="0334132677-37">{</span><span·class="ss">error_report_mod</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">error_report_mod</span><span·class="p"·data-group-id="0334132677-38">(</span><span·class="p"·data-group-id="0334132677-38">)</span><span·class="p"·data-group-id="0334132677-37">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 166 | ·······················</span><span·class="p"·data-group-id="0334132677-39">{</span><span·class="ss">note_store</span><span·class="p">,</span><span·class="w">·······</span><span·class="nf">note_store</span><span·class="p"·data-group-id="0334132677-40">(</span><span·class="p"·data-group-id="0334132677-40">)</span><span·class="p"·data-group-id="0334132677-39">}</span><span·class="w">·······</span><span·class="p">|</span><span·class="w"> | ||
| 167 | ·······················</span><span·class="p"·data-group-id=" | 167 | ·······················</span><span·class="p"·data-group-id="0334132677-41">{</span><span·class="ss">symbolic_store</span><span·class="p">,</span><span·class="w">···</span><span·class="nf">symbolic_store</span><span·class="p"·data-group-id="0334132677-42">(</span><span·class="p"·data-group-id="0334132677-42">)</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·bb8d86fc9ba5f430380e361bb9d03a9e0b93fa09377090a28f1153382cebf751·...·]-41">}</span><span·class="w">···</span><span·class="p">|</span><span·class="w"> |
| 168 | ·······················</span><span·class="p"·data-group-id=" | 168 | ·······················</span><span·class="p"·data-group-id="0334132677-43">{</span><span·class="ss">target_cache</span><span·class="p">,</span><span·class="w">·····</span><span·class="nf">target_cache</span><span·class="p"·data-group-id="0334132677-44">(</span><span·class="p"·data-group-id="0334132677-44">)</span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·8ad7ffa2fb3da7844f1e11993e5c7a1b060c584a1db3bcb9ee916de042fb882d·...·]-43">}</span><span·class="w">·····</span><span·class="p">|</span><span·class="w"> |
| 169 | ·······················</span><span·class="p"·data-group-id="2402278525-45">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">···········</span><span·class="nf">agent_config</span><span·class="p"·data-group-id="2402278525-46">(</span><span·class="p"·data-group-id="2402278525-46">)</span><span·class="p"·data-group-id="2402278525-45">}</span><span·class="w"> | ||
| 170 | ······</span><span·class="nf">manager_options</span><span·class="p"·data-group-id="2402278525-47">(</span><span·class="p"·data-group-id="2402278525-47">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2402278525-48">[</span><span·class="nf">manager_option</span><span·class="p"·data-group-id="2402278525-49">(</span><span·class="p"·data-group-id="2402278525-49">)</span><span·class="p"·data-group-id="2402278525-48">]</span><span·class="w"> | ||
| 171 | ······ | 169 | ·······················</span><span·class="p"·data-group-id="0334132677-45">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">···········</span><span·class="nf">agent_config</span><span·class="p"·data-group-id="0334132677-46">(</span>[·...·truncated·by·diffoscope;·len:·101,·SHA:·d9cc15177c4d8aec93d8b01311ce721cc001dc0627b6435eeeb9c2ca12dcf046·...·]</span><span·class="w"> |
| 170 | ······</span><span·class="nf">manager_options</span><span·class="p"·data-group-id="0334132677-47">(</span><span·class="p"·data-group-id="0334132677-47">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0334132677-48">[</span><span·class="nf">manager_option</span><span·class="p"·data-group-id="0334132677-49">(</span><span·class="p"·data-group-id="0334132677-49">)</span><span·class="p"·data-group-id="0334132677-48">]</span><span·class="w"> | ||
| 171 | ······</span><span·class="nf">manager_option</span><span·class="p"·data-group-id="0334132677-50">(</span><span·class="p"·data-group-id="0334132677-50">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="0334132677-51">{</span><span·class="ss">restart_type</span><span·class="p">,</span><span·class="w">·············</span><span·class="nf">restart_type</span><span·class="p"·data-group-id="0334132677-52">(</span><span·class="p"·data-group-id="0334132677-52">)</span><span·class="p"·data-group-id="0334132677-51">}</span><span·class="w">····</span><span·class="p">|</span><span·class="w"> | ||
| 172 | ·························</span><span·class="p"·data-group-id=" | 172 | ·························</span><span·class="p"·data-group-id="0334132677-53">{</span><span·class="ss">net_if</span><span·class="p">,</span><span·class="w">···················</span><span·class="nf">manager_net_if</span><span·class="p"·data-group-id="0334132677-54">(</span><span·class="p"·data-group-id="0334132677-54"[·...·truncated·by·diffoscope;·len:·50,·SHA:·5202ab5729bdb5382c84a0be49943afde0eb3513dcc5e23d680d7b9233c408f5·...·]-53">}</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> |
| 173 | ·························</span><span·class="p"·data-group-id=" | 173 | ·························</span><span·class="p"·data-group-id="0334132677-55">{</span><span·class="ss">server</span><span·class="p">,</span><span·class="w">···················</span><span·class="nf">server</span><span·class="p"·data-group-id="0334132677-56">(</span><span·class="p"·data-group-id="0334132677-56">)</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·bb8d86fc9ba5f430380e361bb9d03a9e0b93fa09377090a28f1153382cebf751·...·]-55">}</span><span·class="w">··········</span><span·class="p">|</span><span·class="w"> |
| 174 | ·························</span><span·class="p"·data-group-id=" | 174 | ·························</span><span·class="p"·data-group-id="0334132677-57">{</span><span·class="ss">note_store</span><span·class="p">,</span><span·class="w">···············</span><span·class="nf">note_store</span><span·class="p"·data-group-id="0334132677-58">(</span><span·class="p"·data-group-id="0334132677-58">)</[·...·truncated·by·diffoscope;·len:·46,·SHA:·27ea5fa0b7dad2b52b7fd8dc4a6f2a9cc7cd40cb0e4628824b9b7ddf31354506·...·]-57">}</span><span·class="w">······</span><span·class="p">|</span><span·class="w"> |
| 175 | ·························</span><span·class="p"·data-group-id=" | 175 | ·························</span><span·class="p"·data-group-id="0334132677-59">{</span><span·class="ss">config</span><span·class="p">,</span><span·class="w">···················</span><span·class="nf">manager_config</span><span·class="p"·data-group-id="0334132677-60">(</span><span·class="p"·data-group-id="0334132677-60"[·...·truncated·by·diffoscope;·len:·50,·SHA:·5202ab5729bdb5382c84a0be49943afde0eb3513dcc5e23d680d7b9233c408f5·...·]-59">}</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> |
| 176 | ·························</span><span·class="p"·data-group-id=" | 176 | ·························</span><span·class="p"·data-group-id="0334132677-61">{</span><span·class="ss">inform_request_behaviour</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">manager_irb</span><span·class="p"·data-group-id="0334132677-62">(</span><span·class="p"·data-group-id="0334132677-62">)<[·...·truncated·by·diffoscope;·len:·47,·SHA:·eb7e8d5ab317e2f17cf49c3c2ccb68ad69ef06fbc4824fdd97d1cbe684114fdc·...·]-61">}</span><span·class="w">·····</span><span·class="p">|</span><span·class="w"> |
| 177 | ·························</span><span·class="p"·data-group-id=" | 177 | ·························</span><span·class="p"·data-group-id="0334132677-63">{</span><span·class="ss">mibs</span><span·class="p">,</span><span·class="w">·····················</span><span·class="nf">manager_mibs</span><span·class="p"·data-group-id="0334132677-64">(</span><span·class="p"·data-group-id="0334132677-64">)[·...·truncated·by·diffoscope;·len:·48,·SHA:·c18009c38c31e8d081c84d200ed6d28cf0c943fdfcb441ac5a44c375a938a848·...·]-63">}</span><span·class="w">····</span><span·class="p">|</span><span·class="w"> |
| 178 | ·························</span><span·class="p"·data-group-id="2402278525-65">{</span><span·class="ss">priority</span><span·class="p">,</span><span·class="w">·················</span><span·class="nf">priority</span><span·class="p"·data-group-id="2402278525-66">(</span><span·class="p"·data-group-id="2402278525-66">)</span><span·class="p"·data-group-id="2402278525-65">}</span><span·class="w">········</span><span·class="p">|</span><span·class="w"> | ||
| 179 | ·························</span><span·class="p"·data-group-id="2402278525-67">{</span><span·class="ss">audit_trail_log</span><span·class="p">,</span><span·class="w">··········</span><span·class="nf">audit_trail_log</span><span·class="p"·data-group-id="2402278525-68">(</span><span·class="p"·data-group-id="2402278525-68">)</span><span·class="p"·data-group-id="2402278525-67">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 180 | ·························</span><span·class="p"·data-group-id=" | 178 | ·························</span><span·class="p"·data-group-id="0334132677-65">{</span><span·class="ss">priority</span><span·class="p">,</span><span·class="w">·················</span><span·class="nf">priority</span><span·class="p"·data-group-id="0334132677-66">(</span><span·class="p"·data-group-id="0334132677-66">)</sp[·...·truncated·by·diffoscope;·len:·47,·SHA:·ac0072294c5e01cb7c8e65070737e81998d4a54f452ac6bdddc7379efdfc99ef·...·]">}</span><span·class="w">········</span><span·class="p">|</span><span·class="w"> |
| 179 | ·························</span><span·class="p"·data-group-id="0334132677-67">{</span><span·class="ss">audit_trail_log</span><span·class="p">,</span><span·class="w">··········</span><span·class="nf">audit_trail_log</span><span·class="p"·data-group-id="0334132677-68">(</span><span·class="p"·data-group-id="0334132677-68">)</span><span·class="p"·data-group-id="0334132677-67">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 180 | ·························</span><span·class="p"·data-group-id="0334132677-69">{</span><span·class="ss">versions</span><span·class="p">,</span><span·class="w">·················</span><span·class="nf">versions</span><span·class="p"·data-group-id="0334132677-70">(</span><span·class="p"·data-group-id="0334132677-70">)</span><span·class="p"·data-group-id="0334132677-69">}</span><span·class="w">········</span><span·class="p">|</span><span·class="w"> | ||
| 181 | ·························</span><span·class="p"·data-group-id=" | 181 | ·························</span><span·class="p"·data-group-id="0334132677-71">{</span><span·class="ss">def_user_mod</span><span·class="p">,</span><span·class="w">·············</span><span·class="nf">def_user_module</span><span·class="p"·data-group-id="0334132677-72">(</span><span·class="p"·data-group-id="0334132677-72">)</span><span·class="w">··</span><span·class="p">|</span><span·class="w"> |
| 182 | ·························</span><span·class="p"·data-group-id=" | 182 | ·························</span><span·class="p"·data-group-id="0334132677-73">{</span><span·class="ss">def_user_data</span><span·class="p">,</span><span·class="w">············</span><span·class="nf">def_user_data</span><span·class="p"·data-group-id="0334132677-74">(</span><span·class="p"·data-group-id="0334132677-74">[·...·truncated·by·diffoscope;·len:·49,·SHA:·25245899cc1c69afc69454ccdf5cef86aca3a5a4314026ea856d70612aba6603·...·]-73">}</span></code></pre><p><a·href=""·id="agent_opts_and_types"></a></p><p>Agent·specific·config·options·and·types:</p><ul><li><p><strong><code·class="inline"·id="agent_type">agent_type()·=·master·|·sub·<optional></code></strong>·-·If·<code·class="inline">master</code>, |
| 183 | one·master·agent·is·started.·Otherwise,·no·agents·are·started.</p><p>Default·is·<code·class="inline">master</code>.</p></li><li><p><strong><code·class="inline"·id="agent_disco">agent_discovery()·=·[agent_discovery_opt()]·<optional></code></strong>·- | 183 | one·master·agent·is·started.·Otherwise,·no·agents·are·started.</p><p>Default·is·<code·class="inline">master</code>.</p></li><li><p><strong><code·class="inline"·id="agent_disco">agent_discovery()·=·[agent_discovery_opt()]·<optional></code></strong>·- |
| 184 | <code·class="inline">agent_discovery_opt()·=·{terminating,·agent_terminating_discovery_opts()}·|·{originating,·agent_originating_discovery_opts()}</code></p><p>The·<code·class="inline">terminating</code>·options·effects·discovery·initiated·by·a·manager.</p><p>The·<code·class="inline">originating</code>·options·effects·discovery·initiated·by·this·agent.</p><p>For·defaults·see·the·options·in·<code·class="inline">agent_discovery_opt()</code>.</p></li><li><p><strong><code·class="inline"·id="agent_term_disco_opts">agent_terminating_discovery_opts()·=·[agent_terminating_discovery_opt()]·<optional></code></strong>·- | 184 | <code·class="inline">agent_discovery_opt()·=·{terminating,·agent_terminating_discovery_opts()}·|·{originating,·agent_originating_discovery_opts()}</code></p><p>The·<code·class="inline">terminating</code>·options·effects·discovery·initiated·by·a·manager.</p><p>The·<code·class="inline">originating</code>·options·effects·discovery·initiated·by·this·agent.</p><p>For·defaults·see·the·options·in·<code·class="inline">agent_discovery_opt()</code>.</p></li><li><p><strong><code·class="inline"·id="agent_term_disco_opts">agent_terminating_discovery_opts()·=·[agent_terminating_discovery_opt()]·<optional></code></strong>·- |
| 185 | <code·class="inline">agent_terminating_discovery_opt()·=·{enable,·boolean()}·|·{stage2,·discovery·|·plain}·|·{trigger_username,·string()}</code></p><p>These·are·options·effecting·discovery·<code·class="inline">terminating</code>·in·this·agent·(i.e. | 185 | <code·class="inline">agent_terminating_discovery_opt()·=·{enable,·boolean()}·|·{stage2,·discovery·|·plain}·|·{trigger_username,·string()}</code></p><p>These·are·options·effecting·discovery·<code·class="inline">terminating</code>·in·this·agent·(i.e. |
| 186 | initiated·by·a·manager).</p><p>The·default·values·for·the·<code·class="inline">terminating</code>·discovery·options·are:</p><ul><li>enable:·<code·class="inline">true</code></li><li>stage2:·<code·class="inline">discovery</code></li><li>trigger_username:·<code·class="inline">""</code></li></ul></li><li><p><strong><code·class="inline"·id="agent_orig_disco_opts">agent_originating_discovery_opts()·=·[agent_originating_discovery_opt()]·<optional></code></strong>·- | 186 | initiated·by·a·manager).</p><p>The·default·values·for·the·<code·class="inline">terminating</code>·discovery·options·are:</p><ul><li>enable:·<code·class="inline">true</code></li><li>stage2:·<code·class="inline">discovery</code></li><li>trigger_username:·<code·class="inline">""</code></li></ul></li><li><p><strong><code·class="inline"·id="agent_orig_disco_opts">agent_originating_discovery_opts()·=·[agent_originating_discovery_opt()]·<optional></code></strong>·- |
| 187 | <code·class="inline">agent_originating_discovery_opt()·=·{enable,·boolean()}</code></p><p>These·are·options·effecting·discovery·<code·class="inline">originating</code>·in·this·agent.</p><p>The·default·values·for·the·<code·class="inline">originating</code>·discovery·options·are:</p><ul><li>enable:·<code·class="inline">true</code></li></ul></li><li><p><strong><code·class="inline"·id="agent_mt">multi_threaded()·=·bool()·|·extended<optional></code></strong>·-·If·<code·class="inline">true</code> | 187 | <code·class="inline">agent_originating_discovery_opt()·=·{enable,·boolean()}</code></p><p>These·are·options·effecting·discovery·<code·class="inline">originating</code>·in·this·agent.</p><p>The·default·values·for·the·<code·class="inline">originating</code>·discovery·options·are:</p><ul><li>enable:·<code·class="inline">true</code></li></ul></li><li><p><strong><code·class="inline"·id="agent_mt">multi_threaded()·=·bool()·|·extended<optional></code></strong>·-·If·<code·class="inline">true</code> |
| 188 | (or·<code·class="inline">extended</code>),·the·agent·is·multi-threaded,·with·one·thread·for·each·get | 188 | (or·<code·class="inline">extended</code>),·the·agent·is·multi-threaded,·with·one·thread·for·each·get |
| 189 | request.</p><p>The·value·<code·class="inline">extended</code>·means·that·a·special·'process'·is·also·created·intended | 189 | request.</p><p>The·value·<code·class="inline">extended</code>·means·that·a·special·'process'·is·also·created·intended |
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| 646 | ······<p·class="built-using"> | 646 | ······<p·class="built-using"> |
| 647 | ········Built·using | 647 | ········Built·using |
| 648 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 648 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 649 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 649 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 650 | ······</p> | 650 | ······</p> |
| 651 | <p>Copyright·©·1996-202 | 651 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 652 | ····</footer> | 652 | ····</footer> |
| 653 | ··</div> | 653 | ··</div> |
| 654 | </main> | 654 | </main> |
| 655 | </div> | 655 | </div> |
| 656 | <script> | 656 | <script> |
| 657 | ··function·mermaidLoaded()·{ | 657 | ··function·mermaidLoaded()·{ |
| 658 | ····mermaid.initialize({ | 658 | ····mermaid.initialize({ |
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| 364 | ······<p·class="built-using"> | 364 | ······<p·class="built-using"> |
| 365 | ········Built·using | 365 | ········Built·using |
| 366 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 366 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 367 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 367 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 368 | ······</p> | 368 | ······</p> |
| 369 | <p>Copyright·©·1996-202 | 369 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 370 | ····</footer> | 370 | ····</footer> |
| 371 | ··</div> | 371 | ··</div> |
| 372 | </main> | 372 | </main> |
| 373 | </div> | 373 | </div> |
| 374 | <script> | 374 | <script> |
| 375 | ··function·mermaidLoaded()·{ | 375 | ··function·mermaidLoaded()·{ |
| 376 | ····mermaid.initialize({ | 376 | ····mermaid.initialize({ |
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| 594 | ······<p·class="built-using"> | 594 | ······<p·class="built-using"> |
| 595 | ········Built·using | 595 | ········Built·using |
| 596 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 596 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 597 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 597 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 598 | ······</p> | 598 | ······</p> |
| 599 | <p>Copyright·©·1996-202 | 599 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 600 | ····</footer> | 600 | ····</footer> |
| 601 | ··</div> | 601 | ··</div> |
| 602 | </main> | 602 | </main> |
| 603 | </div> | 603 | </div> |
| 604 | <script> | 604 | <script> |
| 605 | ··function·mermaidLoaded()·{ | 605 | ··function·mermaidLoaded()·{ |
| 606 | ····mermaid.initialize({ | 606 | ····mermaid.initialize({ |
| Offset 158, 49 lines modified | Offset 158, 49 lines modified | ||
| 158 | Mnesia·table·<code·class="inline">snmp_variables</code>·which·must·be·a·table·with·two·attributes·(not·a | 158 | Mnesia·table·<code·class="inline">snmp_variables</code>·which·must·be·a·table·with·two·attributes·(not·a |
| 159 | Mnesia·SNMP·table).·The·SNMP·tables·are·stored·in·Mnesia·tables·with·the·same | 159 | Mnesia·SNMP·table).·The·SNMP·tables·are·stored·in·Mnesia·tables·with·the·same |
| 160 | names·as·the·SNMP·tables.·All·functions·assume·that·a·Mnesia·table·exists·with | 160 | names·as·the·SNMP·tables.·All·functions·assume·that·a·Mnesia·table·exists·with |
| 161 | the·correct·name·and·attributes.·It·is·the·programmer's·responsibility·to·ensure | 161 | the·correct·name·and·attributes.·It·is·the·programmer's·responsibility·to·ensure |
| 162 | this.·Specifically,·if·variables·are·stored·in·Mnesia,·the·table | 162 | this.·Specifically,·if·variables·are·stored·in·Mnesia,·the·table |
| 163 | <code·class="inline">snmp_variables</code>·must·be·created·by·the·programmer.·The·record·definition·for | 163 | <code·class="inline">snmp_variables</code>·must·be·created·by·the·programmer.·The·record·definition·for |
| 164 | this·table·is·defined·in·the·file·<code·class="inline">snmp/include/snmp_types.hrl</code>.</p><p>If·an·instrumentation·function·in·the·association·file·for·a·variable·<code·class="inline">myVar</code> | 164 | this·table·is·defined·in·the·file·<code·class="inline">snmp/include/snmp_types.hrl</code>.</p><p>If·an·instrumentation·function·in·the·association·file·for·a·variable·<code·class="inline">myVar</code> |
| 165 | does·not·have·a·name·when·compiling·an·MIB,·the·compiler·generates·an·entry.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 165 | does·not·have·a·name·when·compiling·an·MIB,·the·compiler·generates·an·entry.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6911893483-1">{</span><span·class="ss">myVar</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6911893483-2">{</span><span·class="ss">snmp_generic</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">var[·...·truncated·by·diffoscope;·len:·1107,·SHA:·34c04e677b2dd137d53e54e840a8280b431eea29c49547cae450b01db2731759·...·]4-4">}</span><span·class="p">}</span><span·class="p">.</span></code></pre><h2·id="module-example"·class="section-heading"> |
| 166 | ··<a·href="#module-example"·class="hover-link"> | 166 | ··<a·href="#module-example"·class="hover-link"> |
| 167 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 167 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 168 | ··</a> | 168 | ··</a> |
| 169 | ··<span·class="text">Example</span> | 169 | ··<span·class="text">Example</span> |
| 170 | </h2> | 170 | </h2> |
| 171 | <p>The·following·example·shows·an·implementation·of·a·table·which·is·stored·in | 171 | <p>The·following·example·shows·an·implementation·of·a·table·which·is·stored·in |
| 172 | Mnesia,·but·with·some·checks·performed·at·set-request·operations.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">myTable_func</span><span·class="p"·data-group-id=" | 172 | Mnesia,·but·with·some·checks·performed·at·set-request·operations.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">myTable_func</span><span·class="p"·data-group-id="8633621201-1">(</span><span·class="ss">new</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NameDb</span><span·class="p"·data-group-id="8633621201-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">···</span><span·class="c1">%·pass·unchanged</span><span·class="w"> |
| 173 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id=" | 173 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id="8633621201-2">(</span><span·class="ss">new</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NameDb</span><span·class="p"·data-group-id="8633621201-2">)</span><span·class="p">.</span><span·class="w"> |
| 174 | </span><span·class="nf">myTable_func</span><span·class="p"·data-group-id=" | 174 | </span><span·class="nf">myTable_func</span><span·class="p"·data-group-id="8633621201-3">(</span><span·class="ss">delete</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NameDb</span><span·class="p"·data-group-id="8633621201-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">···</span><span·class="c1">%·pass·unchanged</span><span·class="w"> |
| 175 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id=" | 175 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id="8633621201-4">(</span><span·class="ss">delete</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NameDb</span><span·class="p"·data-group-id="8633621201-4">)</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="c1">%%·change·row</span><span·class="w"> | 176 | </span><span·class="c1">%%·change·row</span><span·class="w"> |
| 177 | </span><span·class="nf">myTable_func</span><span·class="p"·data-group-id=" | 177 | </span><span·class="nf">myTable_func</span><span·class="p"·data-group-id="8633621201-5">(</span><span·class="ss">is_set_ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·71,·SHA:·1a9c7d367702a1d7c090586115d3129f128a13a17471d075683000eb6ce545c0·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 178 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id=" | 178 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id="8633621201-6">(</span><span·class="ss">is_set_ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w"> |
| 179 | ·······························</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NameDb</span><span·class="p"·data-group-id=" | 179 | ·······························</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NameDb</span><span·class="p"·data-group-id="8633621201-6">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 180 | ····</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="p"·data-group-id="8633621201-7">{</span><span·class="ss">noError</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="8633621201-7">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 181 | ······</span><span·class="nc">myApplication</span><span·class="p">:</span><span·class="nf">is_set_ok</span><span·class="p"·data-group-id=" | 181 | ······</span><span·class="nc">myApplication</span><span·class="p">:</span><span·class="nf">is_set_ok</span><span·class="p"·data-group-id="8633621201-8">(</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="8633621201-8">)</span><span·class="p">;</span><span·class="w"> |
| 182 | ····</span><span·class="n">Err</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 182 | ····</span><span·class="n">Err</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 183 | ······</span><span·class="n">Err</span><span·class="w"> | 183 | ······</span><span·class="n">Err</span><span·class="w"> |
| 184 | ··</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 184 | ··</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 185 | </span><span·class="nf">myTable_func</span><span·class="p"·data-group-id=" | 185 | </span><span·class="nf">myTable_func</span><span·class="p"·data-group-id="8633621201-9">(</span><span·class="ss">set</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·65,·SHA:·99aace5951b8ca4322e74773b42d83bff7ffbd272ce86ffb9ede159d2963f692·...·]-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 186 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id=" | 186 | ··</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id="8633621201-10">(</span><span·class="ss">set</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w"> |
| 187 | ·······························</span><span·class="n">NameDb</span><span·class="p"·data-group-id=" | 187 | ·······························</span><span·class="n">NameDb</span><span·class="p"·data-group-id="8633621201-10">)</span><span·class="p">,</span><span·class="w"> |
| 188 | ····</span><span·class="p"·data-group-id=" | 188 | ····</span><span·class="p"·data-group-id="8633621201-11">{</span><span·class="ss">noError</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p"·data-group-id="8633621201-11">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 189 | ······</span><span·class="c1">%·Now·the·row·is·updated,·tell·the·application</span><span·class="w"> | 189 | ······</span><span·class="c1">%·Now·the·row·is·updated,·tell·the·application</span><span·class="w"> |
| 190 | ······</span><span·class="nc">myApplication</span><span·class="p">:</span><span·class="nf">update</span><span·class="p"·data-group-id=" | 190 | ······</span><span·class="nc">myApplication</span><span·class="p">:</span><span·class="nf">update</span><span·class="p"·data-group-id="8633621201-12">(</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="8633621201-12">)</span><span·class="p">;</span><span·class="w"> |
| 191 | ····</span><span·class="n">Err</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 191 | ····</span><span·class="n">Err</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 192 | ······</span><span·class="n">Err</span><span·class="w"> | 192 | ······</span><span·class="n">Err</span><span·class="w"> |
| 193 | ··</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 193 | ··</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 194 | </span><span·class="nf">myTable_func</span><span·class="p"·data-group-id=" | 194 | </span><span·class="nf">myTable_func</span><span·class="p"·data-group-id="8633621201-13">(</span><span·class="n">Op</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·64,·SHA:·8d140b90933fa7a4537fb17eee02e60f21c1de46d84d69b79c3f041fbb55b08c·...·]-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">···</span><span·class="c1">%·pass·unchanged</span><span·class="w"> |
| 195 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id=" | 195 | ··</span><span·class="nc">snmp_generic</span><span·class="p">:</span><span·class="nf">table_func</span><span·class="p"·data-group-id="8633621201-14">(</span><span·class="n">Op</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·993,·SHA:·ba40dccf7ff73c15d4b57f228d33b098717245fd46782346763fb56b8c3c05ee·...·]-1">}</span><span·class="p">.</span></code></pre> |
| 196 | ····</section> | 196 | ····</section> |
| 197 | </div> | 197 | </div> |
| 198 | ··<section·id="summary"·class="details-list"> | 198 | ··<section·id="summary"·class="details-list"> |
| 199 | ····<h1·class="section-heading"> | 199 | ····<h1·class="section-heading"> |
| 200 | ······<a·class="hover-link"·href="#summary"> | 200 | ······<a·class="hover-link"·href="#summary"> |
| Offset 929, 15 lines modified | Offset 929, 15 lines modified | ||
| 929 | ······<p·class="built-using"> | 929 | ······<p·class="built-using"> |
| 930 | ········Built·using | 930 | ········Built·using |
| 931 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 931 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 932 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 932 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 933 | ······</p> | 933 | ······</p> |
| 934 | <p>Copyright·©·1996-202 | 934 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 935 | ····</footer> | 935 | ····</footer> |
| 936 | ··</div> | 936 | ··</div> |
| 937 | </main> | 937 | </main> |
| 938 | </div> | 938 | </div> |
| 939 | <script> | 939 | <script> |
| 940 | ··function·mermaidLoaded()·{ | 940 | ··function·mermaidLoaded()·{ |
| 941 | ····mermaid.initialize({ | 941 | ····mermaid.initialize({ |
| Offset 226, 62 lines modified | Offset 226, 62 lines modified | ||
| 226 | ··</a> | 226 | ··</a> |
| 227 | ··<span·class="text">Default·Implementation</span> | 227 | ··<span·class="text">Default·Implementation</span> |
| 228 | </h2> | 228 | </h2> |
| 229 | <p>Without·writing·any·instrumentation·functions,·we·can·compile·the·MIB·and·use | 229 | <p>Without·writing·any·instrumentation·functions,·we·can·compile·the·MIB·and·use |
| 230 | the·default·implementation·of·it.·Recall·that·MIBs·imported·by·"EX1-MIB.mib" | 230 | the·default·implementation·of·it.·Recall·that·MIBs·imported·by·"EX1-MIB.mib" |
| 231 | must·be·present·and·compiled·in·the·current·directory | 231 | must·be·present·and·compiled·in·the·current·directory |
| 232 | ("./STANDARD-MIB.bin","./RFC1213-MIB.bin")·when·compiling.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">unix</span><span·class="o">></span><span·class="w">·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">.</span><span·class="o">/</span><span·class="ss">sys</span><span·class="gp·unselectable"> | 232 | ("./STANDARD-MIB.bin","./RFC1213-MIB.bin")·when·compiling.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">unix</span><span·class="o">></span><span·class="w">·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">config</span><span·class="w">·</span><span·class="p">.</span><span·class="o">/</span><span·class="ss">sys</span><span·class="gp·unselectable"> |
| 233 | 1>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 233 | 1>·</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="1927424988-1">(</span><span·class="ss">snmp</span><span·class="p"·data-group-id="1927424988-1">)</span><span·class="p">.</span><span·class="w"> |
| 234 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 234 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 235 | 2>·</span><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id=" | 235 | 2>·</span><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id="1927424988-2">(</span><span·class="s">"EX1-MIB"</span><span·class="p"·data-group-id="1927424988-2">)</span><span·class="p">.</span><span·class="w"> |
| 236 | </span><span·class="n">No</span><span·class="w">·</span><span·class="ss">accessfunction</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">'friendsTable'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">using</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">.</span><span·class="w"> | 236 | </span><span·class="n">No</span><span·class="w">·</span><span·class="ss">accessfunction</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">'friendsTable'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">using</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">.</span><span·class="w"> |
| 237 | </span><span·class="n">No</span><span·class="w">·</span><span·class="ss">accessfunction</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">'myName'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">using</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">.</span><span·class="w"> | 237 | </span><span·class="n">No</span><span·class="w">·</span><span·class="ss">accessfunction</span><span·class="w">·</span><span·class="ss">for</span><span·class="w">·</span><span·class="ss">'myName'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">using</span><span·class="w">·</span><span·class="ss">default</span><span·class="p">.</span><span·class="w"> |
| 238 | </span><span·class="p"·data-group-id=" | 238 | </span><span·class="p"·data-group-id="1927424988-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"EX1-MIB.bin"</span><span·class="p"·data-group-id="1927424988-3">}</span><span·class="gp·unselectable"> |
| 239 | 3>·</span><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">load_mibs</span><span·class="p"·data-group-id=" | 239 | 3>·</span><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">load_mibs</span><span·class="p"·data-group-id="1927424988-4">(</span><span·class="ss">snmp_master_agent</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1927424988-5">[</span><span·class="s">"EX1-MIB"</span><span·class="p"·data-group-id="1927424988-5">]</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·98a858886056cf058157d30adf12f637091599f326ea76b2518db1e4ad263a97·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 240 | </span><span·class="ss">ok</span></code></pre><p>This·MIB·is·now·loaded·into·the·agent,·and·a·manager·can·ask·questions.·As·an | 240 | </span><span·class="ss">ok</span></code></pre><p>This·MIB·is·now·loaded·into·the·agent,·and·a·manager·can·ask·questions.·As·an |
| 241 | example·of·this,·we·start·another·Erlang·system·and·the·simple·Erlang·manager·in | 241 | example·of·this,·we·start·another·Erlang·system·and·the·simple·Erlang·manager·in |
| 242 | the·toolkit:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 242 | the·toolkit:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="6970584237-1">(</span><span·class="p"·data-group-id="6970584237-2">[</span><span·class="p"·data-group-id="6970584237-3">{</span><span·class="ss">agent</span><span·class="p">,</span><span·class="s">"dront.ericsson.se"</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·250,·SHA:·e1d1b78773eed8a68e6023960cd9bd87aa73570a2cf8f9b46df67cb82b0ce7a4·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 243 | ·</span><span·class="c1">%%·making·it·understand·symbolic·names:·{mibs,["EX1-MIB","STANDARD-MIB"]}]).</span><span·class="w"> | 243 | ·</span><span·class="c1">%%·making·it·understand·symbolic·names:·{mibs,["EX1-MIB","STANDARD-MIB"]}]).</span><span·class="w"> |
| 244 | </span><span·class="p"·data-group-id=" | 244 | </span><span·class="p"·data-group-id="6970584237-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.89</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·1e4e8a9c302bec8a36861388873154e86bea5e8cf2b65a1f5d041255d781d6c8·...·]-5">}</span><span·class="w"> |
| 245 | </span><span·class="c1">%%·a·get-next·request·with·one·OID.</span><span·class="gp·unselectable"> | 245 | </span><span·class="c1">%%·a·get-next·request·with·one·OID.</span><span·class="gp·unselectable"> |
| 246 | 2>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id=" | 246 | 2>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id="6970584237-6">(</span><span·class="p"·data-group-id="6970584237-7">[</span><span·class="p"·data-group-id="6970584237-8">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">6</span><span[·...·truncated·by·diffoscope;·len:·289,·SHA:·4003bfad6fff407ca36d5adc12d5a02c7d625ef9c8af9bd71d50ff0b441c79ca·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 247 | </span><span·class="ss">ok</span><span·class="w"> | 247 | </span><span·class="ss">ok</span><span·class="w"> |
| 248 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> | 248 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> |
| 249 | </span><span·class="p"·data-group-id=" | 249 | </span><span·class="p"·data-group-id="6970584237-9">[</span><span·class="ss">myName</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-9">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·65,·SHA:·3ce6aef2639a72733e4f81ac956ba4f76dd54aec956a31979ddd4706273608b8·...·]-10">]</span><span·class="w"> |
| 250 | </span><span·class="c1">%%·A·set-request·(now·using·symbolic·names·for·convenience)</span><span·class="gp·unselectable"> | 250 | </span><span·class="c1">%%·A·set-request·(now·using·symbolic·names·for·convenience)</span><span·class="gp·unselectable"> |
| 251 | 3>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">s</span><span·class="p"·data-group-id=" | 251 | 3>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">s</span><span·class="p"·data-group-id="6970584237-11">(</span><span·class="p"·data-group-id="6970584237-12">[</span><span·class="p"·data-group-id="6970584237-13">{</span><span·class="p"·data-group-id="6970584237-14">[</span><span·class="ss">myName</span><span·class="p">,</span><span·class="mi">[·...·truncated·by·diffoscope;·len:·300,·SHA:·24ea5b43fa44785be2e59c558ce9c8995fcd3cec7211264186bf13b5e288b27d·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 252 | </span><span·class="ss">ok</span><span·class="w"> | 252 | </span><span·class="ss">ok</span><span·class="w"> |
| 253 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> | 253 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> |
| 254 | </span><span·class="p"·data-group-id=" | 254 | </span><span·class="p"·data-group-id="6970584237-15">[</span><span·class="ss">myName</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-15">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Martin"</span><span·class="w"> |
| 255 | </span><span·class="c1">%%·Try·the·same·get-next·request·again</span><span·class="gp·unselectable"> | 255 | </span><span·class="c1">%%·Try·the·same·get-next·request·again</span><span·class="gp·unselectable"> |
| 256 | 4>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id=" | 256 | 4>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id="6970584237-16">(</span><span·class="p"·data-group-id="6970584237-17">[</span><span·class="p"·data-group-id="6970584237-18">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">6</span><s[·...·truncated·by·diffoscope;·len:·294,·SHA:·3b2894668d4d1927814787b4ecf1051e10722f0f622ccf0aedd7117b5c306a97·...·]-16">)</span><span·class="p">.</span><span·class="w"> |
| 257 | </span><span·class="ss">ok</span><span·class="w"> | 257 | </span><span·class="ss">ok</span><span·class="w"> |
| 258 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> | 258 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> |
| 259 | </span><span·class="p"·data-group-id=" | 259 | </span><span·class="p"·data-group-id="6970584237-19">[</span><span·class="ss">myName</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-19">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Martin"</span><span·class="w"> |
| 260 | </span><span·class="c1">%%·...·and·we·got·the·new·value.</span><span·class="w"> | 260 | </span><span·class="c1">%%·...·and·we·got·the·new·value.</span><span·class="w"> |
| 261 | </span><span·class="c1">%%·you·can·event·do·row·operations.·How·to·add·a·row:</span><span·class="gp·unselectable"> | 261 | </span><span·class="c1">%%·you·can·event·do·row·operations.·How·to·add·a·row:</span><span·class="gp·unselectable"> |
| 262 | 5>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">s</span><span·class="p"·data-group-id=" | 262 | 5>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">s</span><span·class="p"·data-group-id="6970584237-20">(</span><span·class="p"·data-group-id="6970584237-21">[</span><span·class="p"·data-group-id="6970584237-22">{</span><span·class="p"·data-group-id="6970584237-23">[</span><span·class="ss">fName</span><span·class="p">,</span><span·class="mi">0[·...·truncated·by·diffoscope;·len:·1100,·SHA:·7359cb968c215d271de71c88cc73850dff63a0d9ffdeddf82afbdc5ea5db6bba·...·]-20">)</span><span·class="p">.</span><span·class="w"> |
| 263 | ·</span><span·class="c1">%%·createAndGo</span><span·class="w"> | 263 | ·</span><span·class="c1">%%·createAndGo</span><span·class="w"> |
| 264 | </span><span·class="ss">ok</span><span·class="w"> | 264 | </span><span·class="ss">ok</span><span·class="w"> |
| 265 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> | 265 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> |
| 266 | </span><span·class="p"·data-group-id=" | 266 | </span><span·class="p"·data-group-id="6970584237-28">[</span><span·class="ss">fName</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-28">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Martin"</span><span·class="w"> |
| 267 | </span><span·class="p"·data-group-id=" | 267 | </span><span·class="p"·data-group-id="6970584237-29">[</span><span·class="ss">fAddress</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-29">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"home"</span><span·class="w"> |
| 268 | </span><span·class="p"·data-group-id=" | 268 | </span><span·class="p"·data-group-id="6970584237-30">[</span><span·class="ss">fStatus</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-30">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">4</span><span·class="gp·unselectable"> |
| 269 | 6>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id=" | 269 | 6>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id="6970584237-31">(</span><span·class="p"·data-group-id="6970584237-32">[</span><span·class="p"·data-group-id="6970584237-33">[</span><span·class="ss">myName</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-33">[·...·truncated·by·diffoscope;·len:·103,·SHA:·30ce45d895262704477b07e5d588cf3ab81a88c15462d674dfb01d1aeb2111d2·...·]-31">)</span><span·class="p">.</span><span·class="w"> |
| 270 | </span><span·class="ss">ok</span><span·class="w"> | 270 | </span><span·class="ss">ok</span><span·class="w"> |
| 271 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> | 271 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> |
| 272 | </span><span·class="p"·data-group-id=" | 272 | </span><span·class="p"·data-group-id="6970584237-34">[</span><span·class="ss">fName</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-34">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"Martin"</span><span·class="gp·unselectable"> |
| 273 | 7>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id=" | 273 | 7>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id="6970584237-35">(</span><span·class="p"·data-group-id="6970584237-35">)</span><span·class="p">.</span><span·class="w"> |
| 274 | </span><span·class="ss">ok</span><span·class="w"> | 274 | </span><span·class="ss">ok</span><span·class="w"> |
| 275 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> | 275 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> |
| 276 | </span><span·class="p"·data-group-id=" | 276 | </span><span·class="p"·data-group-id="6970584237-36">[</span><span·class="ss">fAddress</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-36">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"home"</span><span·class="gp·unselectable"> |
| 277 | 8>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id=" | 277 | 8>·</span><span·class="nc">snmp_test_mgr</span><span·class="p">:</span><span·class="nf">gn</span><span·class="p"·data-group-id="6970584237-37">(</span><span·class="p"·data-group-id="6970584237-37">)</span><span·class="p">.</span><span·class="w"> |
| 278 | </span><span·class="ss">ok</span><span·class="w"> | 278 | </span><span·class="ss">ok</span><span·class="w"> |
| 279 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> | 279 | </span><span·class="gt">*·Got·PDU:</span><span·class="w"> |
| 280 | </span><span·class="p"·data-group-id=" | 280 | </span><span·class="p"·data-group-id="6970584237-38">[</span><span·class="ss">fStatus</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6970584237-38">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="w"> |
| 281 | </span><span·class="mi">9</span><span·class="o">></span></code></pre><h2·id="manual-implementation"·class="section-heading"> | 281 | </span><span·class="mi">9</span><span·class="o">></span></code></pre><h2·id="manual-implementation"·class="section-heading"> |
| 282 | ··<a·href="#manual-implementation"·class="hover-link"> | 282 | ··<a·href="#manual-implementation"·class="hover-link"> |
| 283 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 283 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 284 | ··</a> | 284 | ··</a> |
| 285 | ··<span·class="text">Manual·Implementation</span> | 285 | ··<span·class="text">Manual·Implementation</span> |
| 286 | </h2> | 286 | </h2> |
| 287 | <p>The·following·example·shows·a·"manual"·implementation·of·the·EX1-MIB·in·Erlang. | 287 | <p>The·following·example·shows·a·"manual"·implementation·of·the·EX1-MIB·in·Erlang. |
| Offset 291, 247 lines modified | Offset 291, 247 lines modified | ||
| 291 | <code·class="inline">friendsTable</code>.·Each·row·is·a·4-tuple.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>There·are·more·efficient·ways·to·create·tables·manually,·i.e.·to·use·the | 291 | <code·class="inline">friendsTable</code>.·Each·row·is·a·4-tuple.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>There·are·more·efficient·ways·to·create·tables·manually,·i.e.·to·use·the |
| 292 | module·<code·class="inline">snmp_index</code>.</p></section><h3·id="code"·class="section-heading"> | 292 | module·<code·class="inline">snmp_index</code>.</p></section><h3·id="code"·class="section-heading"> |
| 293 | ··<a·href="#code"·class="hover-link"> | 293 | ··<a·href="#code"·class="hover-link"> |
| 294 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 294 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 295 | ··</a> | 295 | ··</a> |
| 296 | ··<span·class="text">Code</span> | 296 | ··<span·class="text">Code</span> |
| 297 | </h3> | 297 | </h3> |
| 298 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 298 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1308440070-1">(</span><span·class="ss">ex1</span><span·class="p"·data-group-id="1308440070-1">)</span><span·class="p">.</span><span·class="w"> |
| 299 | </span><span·class="p">-</span><span·class="na">author</span><span·class="p"·data-group-id=" | 299 | </span><span·class="p">-</span><span·class="na">author</span><span·class="p"·data-group-id="1308440070-2">(</span><span·class="ss">'dummy@flop.org'</span><span·class="p"·data-group-id="1308440070-2">)</span><span·class="p">.</span><span·class="w"> |
| 300 | </span><span·class="c1">%%·External·exports</span><span·class="w"> | 300 | </span><span·class="c1">%%·External·exports</span><span·class="w"> |
| 301 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 301 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1308440070-3">(</span><span·class="p"·data-group-id="1308440070-4">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_name</span><span·class="p">/</span>[·...·truncated·by·diffoscope;·len:·381,·SHA:·90d871c8d771b49cdae973c01d5309c9493c9aa71d85781513dc5af4df757aab·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 302 | </span><span·class="c1">%%·Internal·exports</span><span·class="w"> | 302 | </span><span·class="c1">%%·Internal·exports</span><span·class="w"> |
| 303 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 303 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1308440070-5">(</span><span·class="p"·data-group-id="1308440070-6">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="1308440070-6">]</span><span·class="p"·data-group-id="1308440070-5">)</span><span·class="p">.</span><span·class="w"> |
| 304 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 304 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1308440070-7">(</span><span·class="ss">status_col</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">4</span><span·class="p"·data-group-id="1308440070-7">)</span><span·class="p">.</span><span·class="w"> |
| 305 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 305 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1308440070-8">(</span><span·class="ss">active</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="1308440070-8">)</span><span·class="p">.</span><span·class="w"> |
| 306 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 306 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1308440070-9">(</span><span·class="ss">notInService</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p"·data-group-id="1308440070-9">)</span><span·class="p">.</span><span·class="w"> |
| 307 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 307 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1308440070-10">(</span><span·class="ss">notReady</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">3</span><span·class="p"·data-group-id="1308440070-10">)</span><span·class="p">.</span><span·class="w"> |
| 308 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 308 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1308440070-11">(</span><span·class="ss">createAndGo</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">4</span><span·class="p"·data-group-id="1308440070-11">)</span><span·class="p">.</span><span·class="w">···</span><span·class="c1">%·Action;·written,·not·read</span><span·class="w"> |
| 309 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 309 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1308440070-12">(</span><span·class="ss">createAndWait</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">5</span><span·class="p"·data-group-id="1308440070-12">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·Action;·written,·not·read</span><span·class="w"> |
| 310 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 310 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1308440070-13">(</span><span·class="ss">destroy</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">6</span><span·class="p"·data-group-id="1308440070-13">)</span><span·class="p">.</span><span·class="w">·······</span><span·class="c1">%·Action;·written,·not·read</span><span·class="w"> |
| 311 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 311 | </span><span·class="nf">start</span><span·class="p"·data-group-id="1308440070-14">(</span><span·class="p"·data-group-id="1308440070-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 312 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 312 | ····</span><span·class="nf">spawn</span><span·class="p"·data-group-id="1308440070-15">(</span><span·class="ss">ex1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1308440070-16">[</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·67,·SHA:·03a7ff51332fe046406fe32fb93f047df387bf3c717ea4a7a19e27f494836844·...·]-15">)</span><span·class="p">.</span><span·class="w"> |
| 313 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> | 313 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> |
| 314 | </span><span·class="c1">%%·Instrumentation·function·for·variable·myName.</span><span·class="w"> | 314 | </span><span·class="c1">%%·Instrumentation·function·for·variable·myName.</span><span·class="w"> |
| 315 | </span><span·class="c1">%%·Returns:·(get)·{value,·Name}</span><span·class="w"> | 315 | </span><span·class="c1">%%·Returns:·(get)·{value,·Name}</span><span·class="w"> |
| 316 | </span><span·class="c1">%%··········(set)·noError</span><span·class="w"> | 316 | </span><span·class="c1">%%··········(set)·noError</span><span·class="w"> |
| 317 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> | 317 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> |
| 318 | </span><span·class="nf">my_name</span><span·class="p"·data-group-id=" | 318 | </span><span·class="nf">my_name</span><span·class="p"·data-group-id="1308440070-17">(</span><span·class="nb">get</span><span·class="p"·data-group-id="1308440070-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 319 | ····</span><span·class="ss">ex1_server</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 319 | ····</span><span·class="ss">ex1_server</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="1308440070-18">{</span><span·class="nf">self</span><span·class="p"·data-group-id="1308440070-19">(</span><span·class="p"·data-group-id="1308440070-19">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">get_my_name</span><span·class="p[·...·truncated·by·diffoscope;·len:·27,·SHA:·e86cd0ba7e85b5f0bd9e8f9a140c2bd6cdead493c6401862dd879602c9bbb708·...·]-18">}</span><span·class="p">,</span><span·class="w"> |
| 320 | ····</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">wait_answer</span><span·class="p"·data-group-id=" | 320 | ····</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">wait_answer</span><span·class="p"·data-group-id="1308440070-20">(</span><span·class="p"·data-group-id="1308440070-20">)</span><span·class="p">,</span><span·class="w"> |
| 321 | ····</span><span·class="p"·data-group-id=" | 321 | ····</span><span·class="p"·data-group-id="1308440070-21">{</span><span·class="ss">value</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p"·data-group-id="1308440070-21">}</span><span·class="p">.</span><span·class="w"> |
| 322 | </span><span·class="nf">my_name</span><span·class="p"·data-group-id=" | 322 | </span><span·class="nf">my_name</span><span·class="p"·data-group-id="1308440070-22">(</span><span·class="ss">set</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NewName</span><span·class="p"·data-group-id="1308440070-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 323 | ····</span><span·class="ss">ex1_server</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 323 | ····</span><span·class="ss">ex1_server</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="1308440070-23">{</span><span·class="nf">self</span><span·class="p"·data-group-id="1308440070-24">(</span><span·class="p"·data-group-id="1308440070-24">)</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1308440070-25">{</[·...·truncated·by·diffoscope;·len:·213,·SHA:·90683c2e1bc8a8cd789021f663fd1abd2ae0498ff6d0d7bb109a423f3134444d·...·]-23">}</span><span·class="p">,</span><span·class="w"> |
| 324 | ····</span><span·class="ss">noError</span><span·class="p">.</span><span·class="w"> | 324 | ····</span><span·class="ss">noError</span><span·class="p">.</span><span·class="w"> |
| 325 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> | 325 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> |
| 326 | </span><span·class="c1">%%·Instrumentation·function·for·table·friendsTable.</span><span·class="w"> | 326 | </span><span·class="c1">%%·Instrumentation·function·for·table·friendsTable.</span><span·class="w"> |
| 327 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> | 327 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> |
| 328 | </span><span·class="nf">friends_table</span><span·class="p"·data-group-id=" | 328 | </span><span·class="nf">friends_table</span><span·class="p"·data-group-id="1308440070-26">(</span><span·class="nb">get</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="1308440070-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 329 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">get_row</span><span·class="p"·data-group-id=" | 329 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">get_row</span><span·class="p"·data-group-id="1308440070-27">(</span><span·class="n">RowIndex</span><span·class="p"·data-group-id="1308440070-27">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 330 | ···</span><span·class="p"·data-group-id=" | 330 | ···</span><span·class="p"·data-group-id="1308440070-28">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Row</span><span·class="p"·data-group-id="1308440070-28">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 331 | ········</span><span·class="nf">get_cols</span><span·class="p"·data-group-id=" | 331 | ········</span><span·class="nf">get_cols</span><span·class="p"·data-group-id="1308440070-29">(</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Row</span><span·class="p"·data-group-id="1308440070-29">)</span><span·class="p">;</span><span·class="w"> |
| 332 | ···</span><span·class="p">_</span><span·class="w">··</span><span·class="p">-></span><span·class="w"> | 332 | ···</span><span·class="p">_</span><span·class="w">··</span><span·class="p">-></span><span·class="w"> |
| 333 | ········</span><span·class="p"·data-group-id=" | 333 | ········</span><span·class="p"·data-group-id="1308440070-30">{</span><span·class="ss">noValue</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">noSuchInstance</span><span·class="p"·data-group-id="1308440070-30">}</span><span·class="w"> |
| 334 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 334 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 335 | </span><span·class="nf">friends_table</span><span·class="p"·data-group-id=" | 335 | </span><span·class="nf">friends_table</span><span·class="p"·data-group-id="1308440070-31">(</span><span·class="ss">get_next</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RowIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cols</span><span·class="p"·data-group-id="1308440070-31">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 336 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">get_next_row</span><span·class="p"·data-group-id=" | 336 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">get_next_row</span><span·class="p"·data-group-id="1308440070-32">(</span><span·class="n">RowIndex</span><span·class="p"·data-group-id="1308440070-32">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 337 | ···</span><span·class="p"·data-group-id=" | 337 | ···</span><span·class="p"·data-group-id="1308440070-33">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Row</span><span·class="p"·data-group-id="1308440070-33">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 338 | ········</span><span·class="nf">get_next_cols</span><span·class="p"·data-group-id=" | 338 | ········</span><span·class="nf">get_next_cols</span><span·class="p"·data-group-id="1308440070-34">(</span><span·class="n">Cols</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Row</span><span·class="p"·data-group-id="1308440070-34">)</span><span·class="p">;</span><span·class="w"> |
| 339 | ···</span><span·class="p">_</span><span·class="w">··</span><span·class="p">-></span><span·class="w"> | 339 | ···</span><span·class="p">_</span><span·class="w">··</span><span·class="p">-></span><span·class="w"> |
| 340 | ·······</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">get_next_row</span><span·class="p"·data-group-id=" | 340 | ·······</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">get_next_row</span><span·class="p"·data-group-id="1308440070-35">(</span><span·class="p"·data-group-id="1308440070-36">[</span><span·class="p"·data-group-id="1308440070-36">]</span><span·class="p"·data-group-id="1308440070-35">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 341 | ·····</span><span·class="p"·data-group-id=" | 341 | ·····</span><span·class="p"·data-group-id="1308440070-37">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Row</span><span·class="p"·data-group-id="1308440070-37">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 342 | ·········</span><span·class="c1">%·Get·next·cols·from·first·row.</span><span·class="w"> | 342 | ·········</span><span·class="c1">%·Get·next·cols·from·first·row.</span><span·class="w"> |
| 343 | ·········</span><span·class="n">NewCols</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">add_one_to_cols</span><span·class="p"·data-group-id=" | 343 | ·········</span><span·class="n">NewCols</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">add_one_to_cols</span><span·class="p"·data-group-id="1308440070-38">(</span><span·class="n">Cols</span><span·class="p"·data-group-id="1308440070-38">)</span><span·class="p">,</span><span·class="w"> |
| 344 | ·········</span><span·class="nf">get_next_cols</span><span·class="p"·data-group-id=" | 344 | ·········</span><span·class="nf">get_next_cols</span><span·class="p"·data-group-id="1308440070-39">(</span><span·class="n">NewCols</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Row</span><span·class="p"·data-group-id="1308440070-39">)</span><span·class="p">;</span><span·class="w"> |
| 345 | ·····</span><span·class="p">_</span><span·class="w">··</span><span·class="p">-></span><span·class="w"> | 345 | ·····</span><span·class="p">_</span><span·class="w">··</span><span·class="p">-></span><span·class="w"> |
| 346 | ········</span><span·class="nf">end_of_table</span><span·class="p"·data-group-id=" | 346 | ········</span><span·class="nf">end_of_table</span><span·class="p"·data-group-id="1308440070-40">(</span><span·class="n">Cols</span><span·class="p"·data-group-id="1308440070-40">)</span><span·class="w"> |
| 347 | ········</span><span·class="k">end</span><span·class="w"> | 347 | ········</span><span·class="k">end</span><span·class="w"> |
| 348 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 348 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 349 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> | 349 | </span><span·class="c1">%%----------------------------------------------------------------</span><span·class="w"> |
| 350 | </span><span·class="c1">%%·If·RowStatus·is·set,·then:</span><span·class="w"> | 350 | </span><span·class="c1">%%·If·RowStatus·is·set,·then:</span><span·class="w"> |
| 351 | </span><span·class="c1">%%····*)·If·set·to·destroy,·check·that·row·does·exist</span><span·class="w"> | 351 | </span><span·class="c1">%%····*)·If·set·to·destroy,·check·that·row·does·exist</span><span·class="w"> |
| 352 | </span><span·class="c1">%%····*)·If·set·to·createAndGo,·check·that·row·does·not·exist·AND</span><span·class="w"> | 352 | </span><span·class="c1">%%····*)·If·set·to·createAndGo,·check·that·row·does·not·exist·AND</span><span·class="w"> |
| 353 | </span><span·class="c1">%%·········that·all·columns·are·given·values.</span><span·class="w"> | 353 | </span><span·class="c1">%%·········that·all·columns·are·given·values.</span><span·class="w"> |
| 354 | </span><span·class="c1">%%····*)·Otherwise,·error·(for·simplicity).</span><span·class="w"> | 354 | </span><span·class="c1">%%····*)·Otherwise,·error·(for·simplicity).</span><span·class="w"> |
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| Offset 189, 15 lines modified | Offset 189, 15 lines modified | ||
| 189 | ······<p·class="built-using"> | 189 | ······<p·class="built-using"> |
| 190 | ········Built·using | 190 | ········Built·using |
| 191 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 191 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 192 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 192 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 193 | ······</p> | 193 | ······</p> |
| 194 | <p>Copyright·©·1996-202 | 194 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 195 | ····</footer> | 195 | ····</footer> |
| 196 | ··</div> | 196 | ··</div> |
| 197 | </main> | 197 | </main> |
| 198 | </div> | 198 | </div> |
| 199 | <script> | 199 | <script> |
| 200 | ··function·mermaidLoaded()·{ | 200 | ··function·mermaidLoaded()·{ |
| 201 | ····mermaid.initialize({ | 201 | ····mermaid.initialize({ |
| Offset 131, 21 lines modified | Offset 131, 21 lines modified | ||
| 131 | <p>Abstract·Data·Type·for·SNMP·Indexing</p><p>The·module·<code·class="inline">snmp_index</code>·implements·an·Abstract·Data·Type·(ADT)·for·an·SNMP·index | 131 | <p>Abstract·Data·Type·for·SNMP·Indexing</p><p>The·module·<code·class="inline">snmp_index</code>·implements·an·Abstract·Data·Type·(ADT)·for·an·SNMP·index |
| 132 | structure·for·SNMP·tables.·It·is·implemented·as·an·ets·table·of·the·ordered_set | 132 | structure·for·SNMP·tables.·It·is·implemented·as·an·ets·table·of·the·ordered_set |
| 133 | data-type,·which·means·that·all·operations·are·O(log·n).·In·the·table,·the·key | 133 | data-type,·which·means·that·all·operations·are·O(log·n).·In·the·table,·the·key |
| 134 | is·an·ASN.1·OBJECT·IDENTIFIER.</p><p>This·index·is·used·to·separate·the·implementation·of·the·SNMP·ordering·from·the | 134 | is·an·ASN.1·OBJECT·IDENTIFIER.</p><p>This·index·is·used·to·separate·the·implementation·of·the·SNMP·ordering·from·the |
| 135 | actual·implementation·of·the·table.·The·SNMP·ordering,·that·is·implementation·of | 135 | actual·implementation·of·the·table.·The·SNMP·ordering,·that·is·implementation·of |
| 136 | GET·NEXT,·is·implemented·in·this·module.</p><p>For·example,·suppose·there·is·an·SNMP·table,·which·is·best·implemented·in·Erlang | 136 | GET·NEXT,·is·implemented·in·this·module.</p><p>For·example,·suppose·there·is·an·SNMP·table,·which·is·best·implemented·in·Erlang |
| 137 | as·one·process·per·SNMP·table·row.·Suppose·further·that·the·INDEX·in·the·SNMP | 137 | as·one·process·per·SNMP·table·row.·Suppose·further·that·the·INDEX·in·the·SNMP |
| 138 | table·is·an·OCTET·STRING.·The·index·structure·would·be·created·as·follows:</p><pre><code·class="text">snmp_index:new(string)</code></pre><p>For·each·new·process·we·create,·we·insert·an·item·in·an·<code·class="inline">snmp_index</code>·structure:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">new_process</span><span·class="p"·data-group-id="2 | 138 | table·is·an·OCTET·STRING.·The·index·structure·would·be·created·as·follows:</p><pre><code·class="text">snmp_index:new(string)</code></pre><p>For·each·new·process·we·create,·we·insert·an·item·in·an·<code·class="inline">snmp_index</code>·structure:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">new_process</span><span·class="p"·data-group-id="4232010346-1">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SnmpIndex</span><span·class="p"·data-group-id="4232010346-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 139 | ··</span><span·class="n">Pid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_process</span><span·class="p"·data-group-id="2 | 139 | ··</span><span·class="n">Pid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_process</span><span·class="p"·data-group-id="4232010346-2">(</span><span·class="p"·data-group-id="4232010346-2">)</span><span·class="p">,</span><span·class="w"> |
| 140 | ··</span><span·class="n">NewSnmpIndex</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 140 | ··</span><span·class="n">NewSnmpIndex</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 141 | ····</span><span·class="nc">snmp_index</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="2 | 141 | ····</span><span·class="nc">snmp_index</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="4232010346-3">(</span><span·class="n">SnmpIndex</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="4232010346-3">)</span><span·class="p">,</span><span·class="w"> |
| 142 | ··</span><span·class="o"><</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="o">></span></code></pre><p>With·this·structure,·we·can·now·map·an·OBJECT·IDENTIFIER·in·e.g.·a·GET·NEXT | 142 | ··</span><span·class="o"><</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="o">></span></code></pre><p>With·this·structure,·we·can·now·map·an·OBJECT·IDENTIFIER·in·e.g.·a·GET·NEXT |
| 143 | request,·to·the·correct·process:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">get_next_pid</span><span·class="p"·data-group-id=" | 143 | request,·to·the·correct·process:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">get_next_pid</span><span·class="p"·data-group-id="3964281354-1">(</span><span·class="n">Oid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SnmpIndex</span><span·class="p"·data-group-id="3964281354-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 144 | ··</span><span·class="p"·data-group-id=" | 144 | ··</span><span·class="p"·data-group-id="3964281354-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3964281354-3">{</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·cla[·...·truncated·by·diffoscope;·len:·459,·SHA:·015bde6b396684340a46aa10d70f3709d23432f910dc6928d5a29bb238ffb652·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 145 | ··</span><span·class="n">Pid</span><span·class="p">.</span></code></pre><h2·id="module-warnings"·class="section-heading"> | 145 | ··</span><span·class="n">Pid</span><span·class="p">.</span></code></pre><h2·id="module-warnings"·class="section-heading"> |
| 146 | ··<a·href="#module-warnings"·class="hover-link"> | 146 | ··<a·href="#module-warnings"·class="hover-link"> |
| 147 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 147 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 148 | ··</a> | 148 | ··</a> |
| 149 | ··<span·class="text">Warnings</span> | 149 | ··<span·class="text">Warnings</span> |
| 150 | </h2> | 150 | </h2> |
| 151 | <section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p><a·href=""·id="1"></a>·All·API·functions·that·update·the·index·return·a·<code·class="inline">NewIndex</code>·term. | 151 | <section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p><a·href=""·id="1"></a>·All·API·functions·that·update·the·index·return·a·<code·class="inline">NewIndex</code>·term. |
| Offset 763, 15 lines modified | Offset 763, 15 lines modified | ||
| 763 | ······<p·class="built-using"> | 763 | ······<p·class="built-using"> |
| 764 | ········Built·using | 764 | ········Built·using |
| 765 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 765 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 766 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 766 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 767 | ······</p> | 767 | ······</p> |
| 768 | <p>Copyright·©·1996-202 | 768 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 769 | ····</footer> | 769 | ····</footer> |
| 770 | ··</div> | 770 | ··</div> |
| 771 | </main> | 771 | </main> |
| 772 | </div> | 772 | </div> |
| 773 | <script> | 773 | <script> |
| 774 | ··function·mermaidLoaded()·{ | 774 | ··function·mermaidLoaded()·{ |
| 775 | ····mermaid.initialize({ | 775 | ····mermaid.initialize({ |
| Offset 210, 17 lines modified | Offset 210, 17 lines modified | ||
| 210 | accessible),·and·the·table·has·three·rows.·The·instrumentation·function·for·this | 210 | accessible),·and·the·table·has·three·rows.·The·instrumentation·function·for·this |
| 211 | table·is·called·<code·class="inline">my_table</code>.</p><p><a·href=""·id="getnext1"></a></p><p><img·src="assets/getnext1.gif"·alt="Contents·of·my_table"·title="Contents·of·my_table"/></p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>N/A·means·not·accessible.</p></section><p>The·manager·issues·the·following·<code·class="inline">getNext</code>·request:</p><pre><code·class="text">getNext{·myTable.myTableEntry.3.1.1, | 211 | table·is·called·<code·class="inline">my_table</code>.</p><p><a·href=""·id="getnext1"></a></p><p><img·src="assets/getnext1.gif"·alt="Contents·of·my_table"·title="Contents·of·my_table"/></p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>N/A·means·not·accessible.</p></section><p>The·manager·issues·the·following·<code·class="inline">getNext</code>·request:</p><pre><code·class="text">getNext{·myTable.myTableEntry.3.1.1, |
| 212 | ·········myTable.myTableEntry.5.1.1·}</code></pre><p>Since·both·operations·involve·the·1.1·index,·this·is·transformed·into·one·call | 212 | ·········myTable.myTableEntry.5.1.1·}</code></pre><p>Since·both·operations·involve·the·1.1·index,·this·is·transformed·into·one·call |
| 213 | to·<code·class="inline">my_table</code>:</p><pre><code·class="text">my_table(get_next,·[1,·1],·[3,·5])</code></pre><p>In·this·call,·<code·class="inline">[1,·1]</code>·is·the·<code·class="inline">RowIndex</code>,·where·key·1·has·value·1,·and·key·2·has | 213 | to·<code·class="inline">my_table</code>:</p><pre><code·class="text">my_table(get_next,·[1,·1],·[3,·5])</code></pre><p>In·this·call,·<code·class="inline">[1,·1]</code>·is·the·<code·class="inline">RowIndex</code>,·where·key·1·has·value·1,·and·key·2·has |
| 214 | value·1,·and·<code·class="inline">[3,·5]</code>·is·the·list·of·requested·columns.·The·function·should·now | 214 | value·1,·and·<code·class="inline">[3,·5]</code>·is·the·list·of·requested·columns.·The·function·should·now |
| 215 | return·the·lexicographically·next·elements:</p><pre><code·class="text">[{[3,·1,·2],·d},·{[5,·1,·2],·f}]</code></pre><p>This·is·illustrated·in·the·following·table:</p><p><a·href=""·id="getnext2"></a></p><p><img·src="assets/getnext2.gif"·alt="GetNext·from·[3,1,1]·and·[5,1,1]."·title="GetNext·from·[3,1,1]·and·[5,1,1]."/></p><p>The·manager·now·issues·the·following·<code·class="inline">getNext</code>·request:</p><pre><code·class="text">getNext{·myTable.myTableEntry.3.2.1, | 215 | return·the·lexicographically·next·elements:</p><pre><code·class="text">[{[3,·1,·2],·d},·{[5,·1,·2],·f}]</code></pre><p>This·is·illustrated·in·the·following·table:</p><p><a·href=""·id="getnext2"></a></p><p><img·src="assets/getnext2.gif"·alt="GetNext·from·[3,1,1]·and·[5,1,1]."·title="GetNext·from·[3,1,1]·and·[5,1,1]."/></p><p>The·manager·now·issues·the·following·<code·class="inline">getNext</code>·request:</p><pre><code·class="text">getNext{·myTable.myTableEntry.3.2.1, |
| 216 | ·········myTable.myTableEntry.5.2.1·}</code></pre><p>This·is·transformed·into·one·call·to·<code·class="inline">my_table</code>:</p><pre><code·class="text">my_table(get_next,·[2,·1],·[3,·5])</code></pre><p>The·function·should·now·return:</p><pre><code·class="text">[{[4,·1,·1],·b},·endOfTable]</code></pre><p>This·is·illustrated·in·the·following·table:</p><p><a·href=""·id="getnext3"></a></p><p><img·src="assets/getnext3.gif"·alt="GetNext·from·[3,2,1]·and·[5,2,1]."·title="GetNext·from·[3,2,1]·and·[5,2,1]."/></p><p>The·manager·now·issues·the·following·<code·class="inline">getNext</code>·request:</p><pre><code·class="text">getNext{·myTable.myTableEntry.3.1.2, | 216 | ·········myTable.myTableEntry.5.2.1·}</code></pre><p>This·is·transformed·into·one·call·to·<code·class="inline">my_table</code>:</p><pre><code·class="text">my_table(get_next,·[2,·1],·[3,·5])</code></pre><p>The·function·should·now·return:</p><pre><code·class="text">[{[4,·1,·1],·b},·endOfTable]</code></pre><p>This·is·illustrated·in·the·following·table:</p><p><a·href=""·id="getnext3"></a></p><p><img·src="assets/getnext3.gif"·alt="GetNext·from·[3,2,1]·and·[5,2,1]."·title="GetNext·from·[3,2,1]·and·[5,2,1]."/></p><p>The·manager·now·issues·the·following·<code·class="inline">getNext</code>·request:</p><pre><code·class="text">getNext{·myTable.myTableEntry.3.1.2, |
| 217 | ·········myTable.myTableEntry.4.1.2·}</code></pre><p>This·will·be·transform·into·one·call·to·<code·class="inline">my_table</code>:</p><pre><code·class="text">my_table(get_next,·[1,·2],·[3,·4])</code></pre><p>The·function·should·now·return:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 217 | ·········myTable.myTableEntry.4.1.2·}</code></pre><p>This·will·be·transform·into·one·call·to·<code·class="inline">my_table</code>:</p><pre><code·class="text">my_table(get_next,·[1,·2],·[3,·4])</code></pre><p>The·function·should·now·return:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4523640029-1">[</span><span·class="p"·data-group-id="4523640029-2">{</span><span·class="p"·data-group-id="4523640029-3">[</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·767,·SHA:·c901bcf3869d38aae431a2c072bd0da0fcabb38307599aee5f92d50adbc6aa00·...·]-1">]</span></code></pre><p>This·is·illustrated·in·the·following·table:</p><p><a·href=""·id="getnext4"></a></p><p><img·src="assets/getnext4.gif"·alt="GetNext·from·[3,1,2]·and·[4,1,2]."·title="GetNext·from·[3,1,2]·and·[4,1,2]."/></p><p>The·manager·now·issues·the·following·<code·class="inline">getNext</code>·request:</p><pre><code·class="text">getNext{·myTable.myTableEntry, |
| 218 | ·········myTable.myTableEntry.1.3.2·}</code></pre><p>This·will·be·transform·into·two·calls·to·<code·class="inline">my_table</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_table</span><span·class="p"·data-group-id=" | 218 | ·········myTable.myTableEntry.1.3.2·}</code></pre><p>This·will·be·transform·into·two·calls·to·<code·class="inline">my_table</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_table</span><span·class="p"·data-group-id="6033624166-1">(</span><span·class="ss">get_next</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6033624166-2">[</span><span·class="p"·data-group-id="6033624166-2">]</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·172,·SHA:·1f06053a9534e03aad9971420686b64611f5ffc9a26c46bd70d1207cf57a0c4c·...·]-1">)</span><span·class="w">·</span><span·class="ow">and</span><span·class="w"> |
| 219 | </span><span·class="nf">my_table</span><span·class="p"·data-group-id=" | 219 | </span><span·class="nf">my_table</span><span·class="p"·data-group-id="6033624166-4">(</span><span·class="ss">get_next</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6033624166-5">[</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><sp[·...·truncated·by·diffoscope;·len:·270,·SHA:·90ce39adc9edc4291cc9b6d5f8317a790a68a94ad2120b6db9e1690ef835b612·...·]-4">)</span></code></pre><p>The·function·should·now·return:</p><pre><code·class="text">[{[3,·1,·1],·a}]·and |
| 220 | [{[3,·1,·1],·a}]</code></pre><p>In·both·cases,·the·first·accessible·element·in·the·table·should·be·returned.·As | 220 | [{[3,·1,·1],·a}]</code></pre><p>In·both·cases,·the·first·accessible·element·in·the·table·should·be·returned.·As |
| 221 | the·key·columns·are·not·accessible,·this·means·that·the·third·column·is·the | 221 | the·key·columns·are·not·accessible,·this·means·that·the·third·column·is·the |
| 222 | first·row.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Normally,·the·functions·described·above·behave·exactly·as·shown,·but·they·are | 222 | first·row.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Normally,·the·functions·described·above·behave·exactly·as·shown,·but·they·are |
| 223 | free·to·perform·other·actions.·For·example,·a·get-request·may·have·side | 223 | free·to·perform·other·actions.·For·example,·a·get-request·may·have·side |
| 224 | effects·such·as·setting·some·other·variable,·perhaps·a·global·<code·class="inline">lastAccessed</code> | 224 | effects·such·as·setting·some·other·variable,·perhaps·a·global·<code·class="inline">lastAccessed</code> |
| 225 | variable.</p></section><h2·id="using-the-extraargument"·class="section-heading"> | 225 | variable.</p></section><h2·id="using-the-extraargument"·class="section-heading"> |
| 226 | ··<a·href="#using-the-extraargument"·class="hover-link"> | 226 | ··<a·href="#using-the-extraargument"·class="hover-link"> |
| Offset 229, 25 lines modified | Offset 229, 25 lines modified | ||
| 229 | ··<span·class="text">Using·the·ExtraArgument</span> | 229 | ··<span·class="text">Using·the·ExtraArgument</span> |
| 230 | </h2> | 230 | </h2> |
| 231 | <p>The·<code·class="inline">ListOfExtraArguments</code>·can·be·used·to·write·generic·functions.·This·list·is | 231 | <p>The·<code·class="inline">ListOfExtraArguments</code>·can·be·used·to·write·generic·functions.·This·list·is |
| 232 | appended·to·the·standard·arguments·for·each·function.·Consider·two·read-only | 232 | appended·to·the·standard·arguments·for·each·function.·Consider·two·read-only |
| 233 | variables·for·a·device,·<code·class="inline">ipAdr</code>·and·<code·class="inline">name</code>·with·object·identifiers·1.1.23.4·and | 233 | variables·for·a·device,·<code·class="inline">ipAdr</code>·and·<code·class="inline">name</code>·with·object·identifiers·1.1.23.4·and |
| 234 | 1.1.7·respectively.·To·access·these·variables,·one·could·implement·the·two | 234 | 1.1.7·respectively.·To·access·these·variables,·one·could·implement·the·two |
| 235 | Erlang·functions·<code·class="inline">ip_access</code>·and·<code·class="inline">name_access</code>,·which·will·be·in·the·MIB.·The | 235 | Erlang·functions·<code·class="inline">ip_access</code>·and·<code·class="inline">name_access</code>,·which·will·be·in·the·MIB.·The |
| 236 | functions·could·be·specified·in·a·text·file·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 236 | functions·could·be·specified·in·a·text·file·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3334124468-1">{</span><span·class="ss">ipAdr</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3334124468-2">{</span><span·class="ss">my_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ip_acc[·...·truncated·by·diffoscope;·len:·257,·SHA:·e9f4040ef08de3cc70011b39cdaa02ebe762149c325c319c9ed5167e62d99bfa·...·]8-1">}</span><span·class="p">.</span><span·class="w"> |
| 237 | </span><span·class="c1">%·Or·using·the·oid·syntax·for·'name'</span><span·class="w"> | 237 | </span><span·class="c1">%·Or·using·the·oid·syntax·for·'name'</span><span·class="w"> |
| 238 | </span><span·class="p"·data-group-id=" | 238 | </span><span·class="p"·data-group-id="3334124468-4">{</span><span·class="p"·data-group-id="3334124468-5">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">7</span><span·class="p"·data-group-id="3334124468-5">]</span><span[·...·truncated·by·diffoscope;·len:·459,·SHA:·a6f95a188318d38b7780972e01041a2415a2913cb41d5c1aaff8c3b96d57d1be·...·]8-4">}</span><span·class="p">.</span></code></pre><p>The·<code·class="inline">ExtraArgument</code>·parameter·is·the·empty·list.·For·example,·when·the·agent |
| 239 | receives·a·get-request·for·the·<code·class="inline">ipAdr</code>·variable,·a·call·will·be·made·to | 239 | receives·a·get-request·for·the·<code·class="inline">ipAdr</code>·variable,·a·call·will·be·made·to |
| 240 | <code·class="inline">ip_access(get)</code>.·The·value·returned·by·this·function·is·the·answer·to·the | 240 | <code·class="inline">ip_access(get)</code>.·The·value·returned·by·this·function·is·the·answer·to·the |
| 241 | get-request.</p><p>If·<code·class="inline">ip_access</code>·and·<code·class="inline">name_access</code>·are·implemented·similarly,·we·could·write·a | 241 | get-request.</p><p>If·<code·class="inline">ip_access</code>·and·<code·class="inline">name_access</code>·are·implemented·similarly,·we·could·write·a |
| 242 | <code·class="inline">generic_access</code>·function·using·the·<code·class="inline">ListOfExtraArguments</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 242 | <code·class="inline">generic_access</code>·function·using·the·<code·class="inline">ListOfExtraArguments</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1845381346-1">{</span><span·class="ss">ipAdr</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1845381346-2">{</span><span·class="ss">my_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">generi[·...·truncated·by·diffoscope;·len:·302,·SHA:·2d6de0e2a82d8b6dda0197ca89ca4d1fc0da9b830d74059ebf4a35a65d96ce6d·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 243 | </span><span·class="c1">%·The·mnemonic·'name'·is·more·convenient·than·1.1.7</span><span·class="w"> | 243 | </span><span·class="c1">%·The·mnemonic·'name'·is·more·convenient·than·1.1.7</span><span·class="w"> |
| 244 | </span><span·class="p"·data-group-id=" | 244 | </span><span·class="p"·data-group-id="1845381346-4">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1845381346-5">{</span><span·class="ss">my_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">generic[·...·truncated·by·diffoscope;·len:·300,·SHA:·7e6b473bd81ac577f9ad9c43fad9d69192c751b2373559867fe08bdbb015f3cd·...·]-4">}</span><span·class="p">.</span></code></pre><p>When·the·agent·receives·the·same·get-request·as·above,·a·call·will·be·made·to |
| 245 | <code·class="inline">generic_access(get,</code>'<code·class="inline">IPADR')</code>.</p><p>Yet·another·possibility,·closer·to·the·hardware,·could·be:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 245 | <code·class="inline">generic_access(get,</code>'<code·class="inline">IPADR')</code>.</p><p>Yet·another·possibility,·closer·to·the·hardware,·could·be:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0770786962-1">{</span><span·class="ss">ipAdr</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0770786962-2">{</span><span·class="ss">my_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">generi[·...·truncated·by·diffoscope;·len:·294,·SHA:·a900205cbb9c6a8b75d8cb09a2a89e56ec7dff9414c4908429e83bdb9e5e4d98·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 246 | </span><span·class="p"·data-group-id=" | 246 | </span><span·class="p"·data-group-id="0770786962-4">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0770786962-5">{</span><span·class="ss">my_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">generic[·...·truncated·by·diffoscope;·len:·293,·SHA:·db8296f1b8af99441cd3209cd88a6f3616402f2e30b1b1736bc0e95ab88910d3·...·]-4">}</span><span·class="p">.</span></code></pre><h2·id="default-instrumentation"·class="section-heading"> |
| 247 | ··<a·href="#default-instrumentation"·class="hover-link"> | 247 | ··<a·href="#default-instrumentation"·class="hover-link"> |
| 248 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 248 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 249 | ··</a> | 249 | ··</a> |
| 250 | ··<span·class="text">Default·Instrumentation</span> | 250 | ··<span·class="text">Default·Instrumentation</span> |
| 251 | </h2> | 251 | </h2> |
| 252 | <p><a·href=""·id="snmp_3"></a></p><p>When·the·MIB·definition·work·is·finished,·there·are·two·major·issues·left.</p><ul><li>Implementing·the·MIB</li><li>Implementing·a·Manager·Application.</li></ul><p>Implementing·an·MIB·can·be·a·tedious·task.·Most·probably,·there·is·a·need·to | 252 | <p><a·href=""·id="snmp_3"></a></p><p>When·the·MIB·definition·work·is·finished,·there·are·two·major·issues·left.</p><ul><li>Implementing·the·MIB</li><li>Implementing·a·Manager·Application.</li></ul><p>Implementing·an·MIB·can·be·a·tedious·task.·Most·probably,·there·is·a·need·to |
| 253 | test·the·agent·before·all·tables·and·variables·are·implemented.·In·this·case, | 253 | test·the·agent·before·all·tables·and·variables·are·implemented.·In·this·case, |
| Offset 345, 15 lines modified | Offset 345, 15 lines modified | ||
| 345 | ······<p·class="built-using"> | 345 | ······<p·class="built-using"> |
| 346 | ········Built·using | 346 | ········Built·using |
| 347 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 347 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 348 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 348 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 349 | ······</p> | 349 | ······</p> |
| 350 | <p>Copyright·©·1996-202 | 350 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 351 | ····</footer> | 351 | ····</footer> |
| 352 | ··</div> | 352 | ··</div> |
| 353 | </main> | 353 | </main> |
| 354 | </div> | 354 | </div> |
| 355 | <script> | 355 | <script> |
| 356 | ··function·mermaidLoaded()·{ | 356 | ··function·mermaidLoaded()·{ |
| 357 | ····mermaid.initialize({ | 357 | ····mermaid.initialize({ |
| Offset 253, 15 lines modified | Offset 253, 15 lines modified | ||
| 253 | ······<p·class="built-using"> | 253 | ······<p·class="built-using"> |
| 254 | ········Built·using | 254 | ········Built·using |
| 255 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 255 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 256 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 256 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 257 | ······</p> | 257 | ······</p> |
| 258 | <p>Copyright·©·1996-202 | 258 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 259 | ····</footer> | 259 | ····</footer> |
| 260 | ··</div> | 260 | ··</div> |
| 261 | </main> | 261 | </main> |
| 262 | </div> | 262 | </div> |
| 263 | <script> | 263 | <script> |
| 264 | ··function·mermaidLoaded()·{ | 264 | ··function·mermaidLoaded()·{ |
| 265 | ····mermaid.initialize({ | 265 | ····mermaid.initialize({ |
| Offset 145, 46 lines modified | Offset 145, 46 lines modified | ||
| 145 | and·<code·class="inline">IpPort</code>·is·an·integer.</p><p>When·<code·class="inline">Addr</code>·does·not·contain·a·port·number,·the·value·of·<code·class="inline">port</code>·is·used.</p><p>When·a·<code·class="inline">Addr</code>·is·not·specified·i.e·by·using·only·a·<code·class="inline">Domain</code>·atom,·the | 145 | and·<code·class="inline">IpPort</code>·is·an·integer.</p><p>When·<code·class="inline">Addr</code>·does·not·contain·a·port·number,·the·value·of·<code·class="inline">port</code>·is·used.</p><p>When·a·<code·class="inline">Addr</code>·is·not·specified·i.e·by·using·only·a·<code·class="inline">Domain</code>·atom,·the |
| 146 | host's·name·is·resolved·to·find·the·IP·address,·and·the·value·of·<code·class="inline">port</code>·is | 146 | host's·name·is·resolved·to·find·the·IP·address,·and·the·value·of·<code·class="inline">port</code>·is |
| 147 | used.</p></li></ul></li><li><p><code·class="inline">port</code>·-·which·defines·which·UDP·port·the·manager·uses·for·communicating | 147 | used.</p></li></ul></li><li><p><code·class="inline">port</code>·-·which·defines·which·UDP·port·the·manager·uses·for·communicating |
| 148 | with·agents.·<em>Mandatory</em>·if·<code·class="inline">transports</code>·does·not·define·a·port·number·for | 148 | with·agents.·<em>Mandatory</em>·if·<code·class="inline">transports</code>·does·not·define·a·port·number·for |
| 149 | every·transport.</p></li><li><p><code·class="inline">engine_id</code>·-·The·<code·class="inline">SnmpEngineID</code>·as·defined·in·SNMP-FRAMEWORK-MIB. | 149 | every·transport.</p></li><li><p><code·class="inline">engine_id</code>·-·The·<code·class="inline">SnmpEngineID</code>·as·defined·in·SNMP-FRAMEWORK-MIB. |
| 150 | <em>Mandatory</em>.</p></li><li><p><code·class="inline">max_message_size</code>·-·The·<code·class="inline">snmpEngineMaxMessageSize</code>·as·defined·in | 150 | <em>Mandatory</em>.</p></li><li><p><code·class="inline">max_message_size</code>·-·The·<code·class="inline">snmpEngineMaxMessageSize</code>·as·defined·in |
| 151 | SNMP-FRAMEWORK-MIB.·<em>Mandatory</em>.</p></li></ul></li><li><p><code·class="inline">Value</code>·is·the·value·for·the·variable.</p></li></ul><p>The·legacy·and·intermediate·variables·<code·class="inline">address</code>·and·<code·class="inline">domain</code>·are·still·supported | 151 | SNMP-FRAMEWORK-MIB.·<em>Mandatory</em>.</p></li></ul></li><li><p><code·class="inline">Value</code>·is·the·value·for·the·variable.</p></li></ul><p>The·legacy·and·intermediate·variables·<code·class="inline">address</code>·and·<code·class="inline">domain</code>·are·still·supported |
| 152 | so·old·configurations·will·work.</p><p>The·following·example·shows·a·<code·class="inline">manager.conf</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 152 | so·old·configurations·will·work.</p><p>The·following·example·shows·a·<code·class="inline">manager.conf</code>·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2041719206-1">{</span><span·class="ss">transports</span><span·class="p">,</span><span·class="w">·······</span><span·class="p"·data-group-id="2041719206-2">[</span><span·class="p"·data-group-id="2041719206-3">{</span><span·class="ss">transportDomainUdpIpv4<[·...·truncated·by·diffoscope;·len:·561,·SHA:·54c4576376be0332958666e59231410ec4434dfc9f17d83ec3678e54522280c4·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 153 | ····················</span><span·class="p"·data-group-id=" | 153 | ····················</span><span·class="p"·data-group-id="2041719206-6">{</span><span·class="ss">transportDomainUdpIpv6</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2041719206-7">{</span><span·class="p"·data-group-id="2041719206-8">{</span><span·class="mi">0</span><span·cla[·...·truncated·by·diffoscope;·len:·663,·SHA:·c677b9b6d65223174f9fdad09eacd65b0ad33cf38f818c5dedf65f1b30dcc02a·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="p"·data-group-id=" | 154 | </span><span·class="p"·data-group-id="2041719206-9">{</span><span·class="ss">engine_id</span><span·class="p">,</span><span·class="w">········</span><span·class="s">"mgrEngine"</span><span·class="p"·data-group-id="2041719206-9">}</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="p"·data-group-id=" | 155 | </span><span·class="p"·data-group-id="2041719206-10">{</span><span·class="ss">max_message_size</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">484</span><span·class="p"·data-group-id="2041719206-10">}</span><span·class="p">.</span></code></pre><p>The·value·of·<code·class="inline">engine_id</code>·is·a·string,·which·should·have·a·very·specific |
| 156 | structure.·See·RFC·2271/2571·for·details.</p><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ManagerDir</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> | 156 | structure.·See·RFC·2271/2571·for·details.</p><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ManagerDir</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 157 | </span><span·class="n">Port</span><span·class="w">··········</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">5000</span><span·class="p">,</span><span·class="w"> | 157 | </span><span·class="n">Port</span><span·class="w">··········</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">5000</span><span·class="p">,</span><span·class="w"> |
| 158 | </span><span·class="n">Addr4</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 158 | </span><span·class="n">Addr4</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9265630686-1">{</span><span·class="mi">141</span><span·class="p">,</span><span·class="mi">213</span><span·class="p">,</span><span·class="mi">11</span><span·class="p">,</span><span·class="mi">24</span><span·class="p"·data-group-id="9265630686-1">}</span><span·class="p">,</span><span·class="w"> |
| 159 | </span><span·class="n">Addr6</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 159 | </span><span·class="n">Addr6</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9265630686-2">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="[·...·truncated·by·diffoscope;·len:·175,·SHA:·b99feb9cdfb0fa0b0d1db7d8a5a8144236777d39f4d6862ea76eab82cd24d694·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 160 | </span><span·class="n">Transports</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1460016559-3">[</span><span·class="p"·data-group-id="1460016559-4">{</span><span·class="ss">transportDomainUdpIpv4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1460016559-5">{</span><span·class="n">Addr4</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="1460016559-5">}</span><span·class="p"·data-group-id="1460016559-4">}</span><span·class="p">,</span><span·class="w"> | ||
| 161 | 160 | </span><span·class="n">Transports</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9265630686-3">[</span><span·class="p"·data-group-id="9265630686-4">{</span><span·class="ss">transportDomainUdp[·...·truncated·by·diffoscope;·len:·314,·SHA:·f692497487473332ae6f06cefde9dbce56e89239a740adf9a15921dae98810e1·...·]</span><span·class="p">,</span><span·class="w"> | |
| 161 | ·················</span><span·class="p"·data-group-id="9265630686-6">{</span><span·class="ss">transportDomainUdpIpv6</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9265630686-7">{</span><span·class="n">Addr6</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Port</span><span·class="p"·data-group-id="9265630686-7">}</span><span·class="p"·data-group-id="9265630686-6">}</span><span·class="p"·data-group-id="9265630686-3">]</span><span·class="p">,</span><span·class="w"> | ||
| 162 | </span><span·class="n">EngineID</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"mgrEngine"</span><span·class="p">,</span><span·class="w"> | 162 | </span><span·class="n">EngineID</span><span·class="w">······</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"mgrEngine"</span><span·class="p">,</span><span·class="w"> |
| 163 | </span><span·class="n">MMS</span><span·class="w">···········</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">484</span><span·class="p">,</span><span·class="w"> | 163 | </span><span·class="n">MMS</span><span·class="w">···········</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">484</span><span·class="p">,</span><span·class="w"> |
| 164 | </span><span·class="n">ManagerConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 164 | </span><span·class="n">ManagerConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9265630686-8">[</span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">manager_entry</span><span·class="p"·data-group-id="9265630686-9">(</span><span·class="ss">transports</span><span·class="p">,</span><span·class="w">·······</spa[·...·truncated·by·diffoscope;·len:·76,·SHA:·185cdb8fbfae97c431f135212ebfbb25f7778801b1de9a22ad9447d85051c995·...·]-9">)</span><span·class="p">,</span><span·class="w"> |
| 165 | ·················</span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">manager_entry</span><span·class="p"·data-group-id=" | 165 | ·················</span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">manager_entry</span><span·class="p"·data-group-id="9265630686-10">(</span><span·class="ss">engine_id</span><span·class="p">,</span><span·class="w">········</span><span·class="n">EngineID</span><span·class="p"·data-group-id="9265630686-10">)</span><span·class="p">,</span><span·class="w"> |
| 166 | ·················</span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">manager_entry</span><span·class="p"·data-group-id=" | 166 | ·················</span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">manager_entry</span><span·class="p"·data-group-id="9265630686-11">(</span><span·class="ss">max_message_size</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MMS</span><span·class="p"·data-group-id="9265630686-11">)</span><span·class="p"·data-group-id="9265630686-8">]</span><span·class="p">,</span><span·class="w"> |
| 167 | </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">write_manager_config</span><span·class="p"·data-group-id=" | 167 | </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">write_manager_config</span><span·class="p"·data-group-id="9265630686-12">(</span><span·class="n">ManagerDir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ManagerConfig</span><span·class="p"·data-group-id="9265630686-12">)</span><span·class="p">,</span></code></pre><h2·id="users"·class="section-heading"> |
| 168 | ··<a·href="#users"·class="hover-link"> | 168 | ··<a·href="#users"·class="hover-link"> |
| 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 169 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 170 | ··</a> | 170 | ··</a> |
| 171 | ··<span·class="text">Users</span> | 171 | ··<span·class="text">Users</span> |
| 172 | </h2> | 172 | </h2> |
| 173 | <p>For·each·<em>manager·user</em>,·the·manager·needs·some·information.·This·information·is | 173 | <p>For·each·<em>manager·user</em>,·the·manager·needs·some·information.·This·information·is |
| 174 | either·added·in·the·<code·class="inline">users.conf</code>·config·file·or·by·calling·the | 174 | either·added·in·the·<code·class="inline">users.conf</code>·config·file·or·by·calling·the |
| 175 | <a·href="snmpm.html#register_user/4">register_user</a>·function·in·run-time.</p><p>Each·row·defines·a·<em>manager·user</em>·of·the·manager.</p><p>Each·entry·is·a·tuple·of·size·four:</p><p><code·class="inline">{UserId,·UserMod,·UserData,·DefaultAgentConfig}.</code></p><ul><li><code·class="inline">UserId</code>·is·any·term·(used·to·uniquely·identify·the·user).</li><li><code·class="inline">UserMod</code>·is·the·user·callback·module·(atom).</li><li><code·class="inline">UserData</code>·is·any·term·(passed·on·to·the·user·when·calling·the·<code·class="inline">UserMod</code>.</li><li><code·class="inline">DefaultAgentConfig</code>·is·a·list·of·default·agent·config's.·These·values·are | 175 | <a·href="snmpm.html#register_user/4">register_user</a>·function·in·run-time.</p><p>Each·row·defines·a·<em>manager·user</em>·of·the·manager.</p><p>Each·entry·is·a·tuple·of·size·four:</p><p><code·class="inline">{UserId,·UserMod,·UserData,·DefaultAgentConfig}.</code></p><ul><li><code·class="inline">UserId</code>·is·any·term·(used·to·uniquely·identify·the·user).</li><li><code·class="inline">UserMod</code>·is·the·user·callback·module·(atom).</li><li><code·class="inline">UserData</code>·is·any·term·(passed·on·to·the·user·when·calling·the·<code·class="inline">UserMod</code>.</li><li><code·class="inline">DefaultAgentConfig</code>·is·a·list·of·default·agent·config's.·These·values·are |
| 176 | used·as·default·values·when·this·user·registers·agents.</li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ManagerDir</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> | 176 | used·as·default·values·when·this·user·registers·agents.</li></ul><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ManagerDir</span><span·class="w">·········</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 177 | </span><span·class="n">UserID</span><span·class="w">·············</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">make_ref</span><span·class="p"·data-group-id=" | 177 | </span><span·class="n">UserID</span><span·class="w">·············</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">make_ref</span><span·class="p"·data-group-id="6840151138-1">(</span><span·class="p"·data-group-id="6840151138-1">)</span><span·class="p">,</span><span·class="w"> |
| 178 | </span><span·class="n">UserMod</span><span·class="w">············</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">my_manager_callback_mod</span><span·class="p">,</span><span·class="w"> | 178 | </span><span·class="n">UserMod</span><span·class="w">············</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">my_manager_callback_mod</span><span·class="p">,</span><span·class="w"> |
| 179 | </span><span·class="n">UserData</span><span·class="w">···········</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id=" | 179 | </span><span·class="n">UserData</span><span·class="w">···········</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="6840151138-2">(</span><span·class="p"·data-group-id="6840151138-2">)</span><span·class="p">,</span><span·class="w"> |
| 180 | </span><span·class="n">DefaultAgentConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 180 | </span><span·class="n">DefaultAgentConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6840151138-3">[</span><span·class="p"·data-group-id="6840151138-4">{</span><span·class="ss">version</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">v1</span><span·class="p"·data-group-id="6840151138-4">}</span><span·class="p">,</span[·...·truncated·by·diffoscope;·len:·548,·SHA:·35108471940b76aba37c61bcb237763b0bf767f2428b2e545cc711dc965b1098·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 181 | </span><span·class="n">UsersConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 181 | </span><span·class="n">UsersConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6840151138-7">[</span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">users_entry</span><span·class="p"·data-group-id="6840151138-8">(</span><span·class="n">UserID</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserMod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserData</span><span·class="p">,</span><span·class="w"> |
| 182 | ······································</span><span·class="n">DefaultAgentConfig</span><span·class="p"·data-group-id=" | 182 | ······································</span><span·class="n">DefaultAgentConfig</span><span·class="p"·data-group-id="6840151138-8">)</span><span·class="p"·data-group-id="6840151138-7">]</span><span·class="p">,</span><span·class="w"> |
| 183 | </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">write_users_config</span><span·class="p"·data-group-id=" | 183 | </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">write_users_config</span><span·class="p"·data-group-id="6840151138-9">(</span><span·class="n">ManagerDir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UsersConfig</span><span·class="p"·data-group-id="6840151138-9">)</span><span·class="p">,</span></code></pre><h2·id="agents"·class="section-heading"> |
| 184 | ··<a·href="#agents"·class="hover-link"> | 184 | ··<a·href="#agents"·class="hover-link"> |
| 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 185 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 186 | ··</a> | 186 | ··</a> |
| 187 | ··<span·class="text">Agents</span> | 187 | ··<span·class="text">Agents</span> |
| 188 | </h2> | 188 | </h2> |
| 189 | <p>The·information·needed·to·handle·agents·should·be·stored·in·a·file·called | 189 | <p>The·information·needed·to·handle·agents·should·be·stored·in·a·file·called |
| 190 | <code·class="inline">agents.conf</code>.·It·is·also·possible·to·add·agents·in·run-time·by·calling·the | 190 | <code·class="inline">agents.conf</code>.·It·is·also·possible·to·add·agents·in·run-time·by·calling·the |
| Offset 194, 31 lines modified | Offset 194, 31 lines modified | ||
| 194 | tuple·or·a·traditional·SNMP·integer·list·containing·port·number.·<code·class="inline">IpAddr</code>·is | 194 | tuple·or·a·traditional·SNMP·integer·list·containing·port·number.·<code·class="inline">IpAddr</code>·is |
| 195 | either·a·regular·Erlang/OTP·<a·href="../../../../lib/kernel-10.2.3/doc/html/inet.html#t:ip_address/0"><code·class="inline">ip_address()</code></a>·or·a | 195 | either·a·regular·Erlang/OTP·<a·href="../../../../lib/kernel-10.2.3/doc/html/inet.html#t:ip_address/0"><code·class="inline">ip_address()</code></a>·or·a |
| 196 | traditional·SNMP·integer·list·not·containing·port·number,·and·<code·class="inline">IpPort</code>·is·an | 196 | traditional·SNMP·integer·list·not·containing·port·number,·and·<code·class="inline">IpPort</code>·is·an |
| 197 | integer.</li><li><code·class="inline">EngineID</code>·is·the·engine-id·of·the·agent·(string).</li><li><p><code·class="inline">Timeout</code>·is·re-transmission·timeout·(<code·class="inline">infinity</code>·|·integer).</p></li><li><code·class="inline">MaxMessageSize</code>·is·the·max·message·size·for·outgoing·messages·to·this·agent | 197 | integer.</li><li><code·class="inline">EngineID</code>·is·the·engine-id·of·the·agent·(string).</li><li><p><code·class="inline">Timeout</code>·is·re-transmission·timeout·(<code·class="inline">infinity</code>·|·integer).</p></li><li><code·class="inline">MaxMessageSize</code>·is·the·max·message·size·for·outgoing·messages·to·this·agent |
| 198 | (integer).</li><li><p><code·class="inline">Version</code>·is·the·version·(v1·|·v2·|·v3).</p></li><li><p><code·class="inline">SecModel</code>·is·the·security·model·(any·|·v1·|·v2c·|·usm).</p></li><li><code·class="inline">SecName</code>·is·the·security·name·(string).</li><li><p><code·class="inline">SecLevel</code>·is·security·level·(noAuthNoPriv·|·authNoPriv·|·authPriv).</p></li></ul><p>Legacy·configurations·using·tuples·without·<code·class="inline">Domain</code>·element,·as·well·as·with·all | 198 | (integer).</li><li><p><code·class="inline">Version</code>·is·the·version·(v1·|·v2·|·v3).</p></li><li><p><code·class="inline">SecModel</code>·is·the·security·model·(any·|·v1·|·v2c·|·usm).</p></li><li><code·class="inline">SecName</code>·is·the·security·name·(string).</li><li><p><code·class="inline">SecLevel</code>·is·security·level·(noAuthNoPriv·|·authNoPriv·|·authPriv).</p></li></ul><p>Legacy·configurations·using·tuples·without·<code·class="inline">Domain</code>·element,·as·well·as·with·all |
| 199 | <code·class="inline">TDomain</code>,·<code·class="inline">Ip</code>·and·<code·class="inline">Port</code>·elements·still·work.</p><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ManagerDir</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> | 199 | <code·class="inline">TDomain</code>,·<code·class="inline">Ip</code>·and·<code·class="inline">Port</code>·elements·still·work.</p><p>And·this·is·a·code·(snippet)·example·of·how·to·generate·this·file·in·runtime:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ManagerDir</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 200 | </span><span·class="n">UserID</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 200 | </span><span·class="n">UserID</span><span·class="w">·······</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="n">AgentsConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 201 | </span><span·class="n">AgentsConfig</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8473468232-1">[</span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">agents_entry</span><span·class="p"·data-group-id="8473468232-2">(</span><span·class="n">UserID</span><span·class="p">,</span><span·class="w"> |
| 202 | ········································</span><span·class="s">"target·1"</span><span·class="p">,</span><span·class="w"> | 202 | ········································</span><span·class="s">"target·1"</span><span·class="p">,</span><span·class="w"> |
| 203 | » » » » » </span><span·class="s">"FOOBAR"</span><span·class="p">,</span><span·class="w"> | 203 | » » » » » </span><span·class="s">"FOOBAR"</span><span·class="p">,</span><span·class="w"> |
| 204 | » » » » » </span><span·class="ss">transportDomainUdpIpv4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id=" | 204 | » » » » » </span><span·class="ss">transportDomainUdpIpv4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8473468232-3">{</span><span·class="p"·data-group-id="8473468232-4">{</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·cla[·...·truncated·by·diffoscope;·len:·136,·SHA:·94c5ca5e366b0e470f07c73b312ed8b90d0eeac57eae49aa808d49793f8868e2·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 205 | » » » » » </span><span·class="s">"agent·Engine·1"</span><span·class="w"> | 205 | » » » » » </span><span·class="s">"agent·Engine·1"</span><span·class="w"> |
| 206 | » » » » » </span><span·class="mi">1500</span><span·class="p">,</span><span·class="w"> | 206 | » » » » » </span><span·class="mi">1500</span><span·class="p">,</span><span·class="w"> |
| 207 | » » » » » </span><span·class="mi">484</span><span·class="p">.</span><span·class="w"> | 207 | » » » » » </span><span·class="mi">484</span><span·class="p">.</span><span·class="w"> |
| 208 | » » » » » </span><span·class="ss">v1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">v1</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"sec·name·1"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">noAuthNoPriv</span><span·class="p"·data-group-id=" | 208 | » » » » » </span><span·class="ss">v1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">v1</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"sec·name·1"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">noAuthNoPriv</span><span·class="p"·data-group-id="8473468232-2">)</span><span·class="p">,</span><span·class="w"> |
| 209 | » » </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">agents_entry</span><span·class="p"·data-group-id=" | 209 | » » </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">agents_entry</span><span·class="p"·data-group-id="8473468232-5">(</span><span·class="n">UserID</span><span·class="p">,</span><span·class="w"> |
| 210 | ········································</span><span·class="s">"target·2"</span><span·class="p">,</span><span·class="w"> | 210 | ········································</span><span·class="s">"target·2"</span><span·class="p">,</span><span·class="w"> |
| 211 | » » » » » </span><span·class="s">"FOOBAR"</span><span·class="p">,</span><span·class="w"> | 211 | » » » » » </span><span·class="s">"FOOBAR"</span><span·class="p">,</span><span·class="w"> |
| 212 | » » » » » </span><span·class="ss">transportDomainUdpIpv4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id=" | 212 | » » » » » </span><span·class="ss">transportDomainUdpIpv4</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8473468232-6">{</span><span·class="p"·data-group-id="8473468232-7">{</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">6</span><span·class="p">,</span><span·class="mi">7</span><span·class="p">,</span><span·class="mi">8</span><span·cla[·...·truncated·by·diffoscope;·len:·136,·SHA:·36378ab2c9f0bfcd5fc5b442907fc55c4b93510059bb8734fe78cb60ef0b3a85·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 213 | » » » » » </span><span·class="s">"agent·Engine·2"</span><span·class="w"> | 213 | » » » » » </span><span·class="s">"agent·Engine·2"</span><span·class="w"> |
| 214 | » » » » » </span><span·class="mi">1500</span><span·class="p">,</span><span·class="w"> | 214 | » » » » » </span><span·class="mi">1500</span><span·class="p">,</span><span·class="w"> |
| 215 | » » » » » </span><span·class="mi">1000</span><span·class="p">.</span><span·class="w"> | 215 | » » » » » </span><span·class="mi">1000</span><span·class="p">.</span><span·class="w"> |
| 216 | » » » » » </span><span·class="ss">v1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">v1</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"sec·name·2"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">noAuthNoPriv</span><span·class="p"·data-group-id=" | 216 | » » » » » </span><span·class="ss">v1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">v1</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"sec·name·2"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">noAuthNoPriv</span><span·class="p"·data-group-id="8473468232-5">)</span><span·class="p"·data-group-id="8473468232-1">]</span><span·class="p">,</span><span·class="w"> |
| 217 | </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">write_agents_config</span><span·class="p"·data-group-id=" | 217 | </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">write_agents_config</span><span·class="p"·data-group-id="8473468232-8">(</span><span·class="n">ManagerDir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UsersConfig</span><span·class="p"·data-group-id="8473468232-8">)</span><span·class="p">,</span></code></pre><h2·id="security-data-for-usm"·class="section-heading"> |
| 218 | ··<a·href="#security-data-for-usm"·class="hover-link"> | 218 | ··<a·href="#security-data-for-usm"·class="hover-link"> |
| 219 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 219 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 220 | ··</a> | 220 | ··</a> |
| 221 | ··<span·class="text">Security·data·for·USM</span> | 221 | ··<span·class="text">Security·data·for·USM</span> |
| 222 | </h2> | 222 | </h2> |
| 223 | <p>The·information·about·Security·data·for·USM·should·be·stored·in·a·file·called | 223 | <p>The·information·about·Security·data·for·USM·should·be·stored·in·a·file·called |
| 224 | <code·class="inline">usm.conf</code>,·which·must·be·present·if·the·manager·wishes·to·use·SNMPv3·when | 224 | <code·class="inline">usm.conf</code>,·which·must·be·present·if·the·manager·wishes·to·use·SNMPv3·when |
| Offset 229, 21 lines modified | Offset 229, 21 lines modified | ||
| 229 | <code·class="inline">usmHMAC192SH256AuthProtocol</code>,·<code·class="inline">usmHMAC256SHA384AuthProtocol</code>·or | 229 | <code·class="inline">usmHMAC192SH256AuthProtocol</code>,·<code·class="inline">usmHMAC256SHA384AuthProtocol</code>·or |
| 230 | <code·class="inline">usmHMAC384SHA512AuthProtocol</code>.</p></li><li><p><code·class="inline">AuthKey</code>·is·a·list·(of·integer).·This·is·the·User's·secret·localized | 230 | <code·class="inline">usmHMAC384SHA512AuthProtocol</code>.</p></li><li><p><code·class="inline">AuthKey</code>·is·a·list·(of·integer).·This·is·the·User's·secret·localized |
| 231 | authentication·key.·It·is·not·visible·in·the·MIB.·The·length·(number·of | 231 | authentication·key.·It·is·not·visible·in·the·MIB.·The·length·(number·of |
| 232 | octets)·of·this·key·needs·to·be:</p><ul><li>16·if·<code·class="inline">usmHMACMD5AuthProtocol</code>.</li><li>20·if·<code·class="inline">usmHMACSHAAuthProtocol</code>.</li><li>28·if·<code·class="inline">usmHMAC128SHA224AuthProtocol</code>.</li><li>32·if·<code·class="inline">usmHMAC192SHA256AuthProtocol</code>.</li><li>48·if·<code·class="inline">usmHMAC256SHA384AuthProtocol</code>.</li><li>64·if·<code·class="inline">usmHMAC384SHA512AuthProtocol</code>.</li></ul></li><li><p><code·class="inline">PrivP</code>·is·a·<code·class="inline">usmNoPrivProtocol</code>,·<code·class="inline">usmDESPrivProtocol</code>·or | 232 | octets)·of·this·key·needs·to·be:</p><ul><li>16·if·<code·class="inline">usmHMACMD5AuthProtocol</code>.</li><li>20·if·<code·class="inline">usmHMACSHAAuthProtocol</code>.</li><li>28·if·<code·class="inline">usmHMAC128SHA224AuthProtocol</code>.</li><li>32·if·<code·class="inline">usmHMAC192SHA256AuthProtocol</code>.</li><li>48·if·<code·class="inline">usmHMAC256SHA384AuthProtocol</code>.</li><li>64·if·<code·class="inline">usmHMAC384SHA512AuthProtocol</code>.</li></ul></li><li><p><code·class="inline">PrivP</code>·is·a·<code·class="inline">usmNoPrivProtocol</code>,·<code·class="inline">usmDESPrivProtocol</code>·or |
| 233 | <code·class="inline">usmAesCfb128Protocol</code>.</p></li><li><p><code·class="inline">PrivKey</code>·is·a·list·(of·integer).·This·is·the·User's·secret·localized | 233 | <code·class="inline">usmAesCfb128Protocol</code>.</p></li><li><p><code·class="inline">PrivKey</code>·is·a·list·(of·integer).·This·is·the·User's·secret·localized |
| 234 | encryption·key.·It·is·not·visible·in·the·MIB.·The·length·of·this·key·needs·to | 234 | encryption·key.·It·is·not·visible·in·the·MIB.·The·length·of·this·key·needs·to |
| 235 | be·16·if·<code·class="inline">usmDESPrivProtocol</code>·or·<code·class="inline">usmAesCfb128Protocol</code>·is·used.</p></li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ManagerDir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> | 235 | be·16·if·<code·class="inline">usmDESPrivProtocol</code>·or·<code·class="inline">usmAesCfb128Protocol</code>·is·used.</p></li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ManagerDir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"/tmp"</span><span·class="p">,</span><span·class="w"> |
| 236 | </span><span·class="n">UsmConfig</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4 | 236 | </span><span·class="n">UsmConfig</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4925849542-1">[</span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">usm_entry</span><span·class="p"·data-group-id="4925849542-2">(</span><span·class="s">"engine"</span><span·class="p">,</span><span·class="w"> |
| 237 | ···································</span><span·class="s">"user·1"</span><span·class="p">,</span><span·class="w"> | 237 | ···································</span><span·class="s">"user·1"</span><span·class="p">,</span><span·class="w"> |
| 238 | » ···························</span><span·class="ss">usmNoAuthProtocol</span><span·class="p">,</span><span·class="w"> | 238 | » ···························</span><span·class="ss">usmNoAuthProtocol</span><span·class="p">,</span><span·class="w"> |
| 239 | » ·» » » ···</span><span·class="p"·data-group-id="4 | 239 | » ·» » » ···</span><span·class="p"·data-group-id="4925849542-3">[</span><span·class="p"·data-group-id="4925849542-3">]</span><span·class="p">,</span><span·class="w"> |
| 240 | » ·» » » ···</span><span·class="ss">usmNoPrivProtocol</span><span·class="p">,</span><span·class="w"> | 240 | » ·» » » ···</span><span·class="ss">usmNoPrivProtocol</span><span·class="p">,</span><span·class="w"> |
| 241 | » ·» » » ···</span><span·class="p"·data-group-id="4 | 241 | » ·» » » ···</span><span·class="p"·data-group-id="4925849542-4">[</span><span·class="p"·data-group-id="4925849542-4">]</span><span·class="p"·data-group-id="4925849542-2">)</span><span·class="p"·data-group-id="4925849542-1">]</span><span·class="p">,</span><span·class="w"> |
| 242 | </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">write_usm_config</span><span·class="p"·data-group-id="4 | 242 | </span><span·class="nc">snmpm_conf</span><span·class="p">:</span><span·class="nf">write_usm_config</span><span·class="p"·data-group-id="4925849542-5">(</span><span·class="n">ManagerDir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UsmConfig</span><span·class="p"·data-group-id="4925849542-5">)</span><span·class="p">,</span></code></pre> |
| 243 | </div> | 243 | </div> |
| 244 | <div·class="bottom-actions"·id="bottom-actions"> | 244 | <div·class="bottom-actions"·id="bottom-actions"> |
| 245 | ··<div·class="bottom-actions-item"> | 245 | ··<div·class="bottom-actions-item"> |
| 246 | ······<a·href="snmp_agent_config_files.html"·class="bottom-actions-button"·rel="prev"> | 246 | ······<a·href="snmp_agent_config_files.html"·class="bottom-actions-button"·rel="prev"> |
| 247 | ········<span·class="subheader"> | 247 | ········<span·class="subheader"> |
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| 286 | ······<p·class="built-using"> | 286 | ······<p·class="built-using"> |
| 287 | ········Built·using | 287 | ········Built·using |
| 288 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 288 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 289 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 289 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 290 | ······</p> | 290 | ······</p> |
| 291 | <p>Copyright·©·1996-202 | 291 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 292 | ····</footer> | 292 | ····</footer> |
| 293 | ··</div> | 293 | ··</div> |
| 294 | </main> | 294 | </main> |
| 295 | </div> | 295 | </div> |
| 296 | <script> | 296 | <script> |
| 297 | ··function·mermaidLoaded()·{ | 297 | ··function·mermaidLoaded()·{ |
| 298 | ····mermaid.initialize({ | 298 | ····mermaid.initialize({ |
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| 209 | ······<p·class="built-using"> | 209 | ······<p·class="built-using"> |
| 210 | ········Built·using | 210 | ········Built·using |
| 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 213 | ······</p> | 213 | ······</p> |
| 214 | <p>Copyright·©·1996-202 | 214 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 215 | ····</footer> | 215 | ····</footer> |
| 216 | ··</div> | 216 | ··</div> |
| 217 | </main> | 217 | </main> |
| 218 | </div> | 218 | </div> |
| 219 | <script> | 219 | <script> |
| 220 | ··function·mermaidLoaded()·{ | 220 | ··function·mermaidLoaded()·{ |
| 221 | ····mermaid.initialize({ | 221 | ····mermaid.initialize({ |
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| 251 | ······<p·class="built-using"> | 251 | ······<p·class="built-using"> |
| 252 | ········Built·using | 252 | ········Built·using |
| 253 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 253 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 254 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 254 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 255 | ······</p> | 255 | ······</p> |
| 256 | <p>Copyright·©·1996-202 | 256 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 257 | ····</footer> | 257 | ····</footer> |
| 258 | ··</div> | 258 | ··</div> |
| 259 | </main> | 259 | </main> |
| 260 | </div> | 260 | </div> |
| 261 | <script> | 261 | <script> |
| 262 | ··function·mermaidLoaded()·{ | 262 | ··function·mermaidLoaded()·{ |
| 263 | ····mermaid.initialize({ | 263 | ····mermaid.initialize({ |
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| 137 | before·it·will·be·compiled.·This·text·file·must·have·the·same·name·as·the·MIB, | 137 | before·it·will·be·compiled.·This·text·file·must·have·the·same·name·as·the·MIB, |
| 138 | but·with·the·suffix·<code·class="inline">.mib</code>.·This·is·necessary·for·handling·the·<code·class="inline">IMPORT</code> | 138 | but·with·the·suffix·<code·class="inline">.mib</code>.·This·is·necessary·for·handling·the·<code·class="inline">IMPORT</code> |
| 139 | statement.</p><p>The·association·file,·which·contains·the·names·of·instrumentation·functions·for | 139 | statement.</p><p>The·association·file,·which·contains·the·names·of·instrumentation·functions·for |
| 140 | the·MIB,·should·have·the·suffix·<code·class="inline">.funcs</code>.·If·the·compiler·does·not·find·the | 140 | the·MIB,·should·have·the·suffix·<code·class="inline">.funcs</code>.·If·the·compiler·does·not·find·the |
| 141 | association·file,·it·gives·a·warning·message·and·uses·default·instrumentation | 141 | association·file,·it·gives·a·warning·message·and·uses·default·instrumentation |
| 142 | functions.·(See·<a·href="snmp_instr_functions.html#snmp_3">Default·Instrumentation</a>·for | 142 | functions.·(See·<a·href="snmp_instr_functions.html#snmp_3">Default·Instrumentation</a>·for |
| 143 | more·details).</p><p>The·MIB·compiler·is·started·with·a·call·to·<code·class="inline">snmpc:compile(<mibname>).</code>·For | 143 | more·details).</p><p>The·MIB·compiler·is·started·with·a·call·to·<code·class="inline">snmpc:compile(<mibname>).</code>·For |
| 144 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id=" | 144 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id="1114454355-1">(</span><span·class="s">"RFC1213-MIB"</span><span·class="p"·data-group-id="1114454355-1">)</span><span·class="p">.</span></code></pre><p>The·output·is·a·new·file·which·is·called·<code·class="inline"><mibname>.bin</code>.</p><p>The·MIB·compiler·understands·both·SMIv1·and·SMIv2·MIBs.·It·uses·the |
| 145 | MODULE-IDENTITY·statement·to·determinate·if·the·MIB·is·written·in·SMI·version·1 | 145 | MODULE-IDENTITY·statement·to·determinate·if·the·MIB·is·written·in·SMI·version·1 |
| 146 | or·2.</p><h2·id="importing-mibs"·class="section-heading"> | 146 | or·2.</p><h2·id="importing-mibs"·class="section-heading"> |
| 147 | ··<a·href="#importing-mibs"·class="hover-link"> | 147 | ··<a·href="#importing-mibs"·class="hover-link"> |
| 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 149 | ··</a> | 149 | ··</a> |
| 150 | ··<span·class="text">Importing·MIBs</span> | 150 | ··<span·class="text">Importing·MIBs</span> |
| 151 | </h2> | 151 | </h2> |
| 152 | <p>The·compiler·handles·the·<code·class="inline">IMPORT</code>·statement.·It·is·important·to·import·the | 152 | <p>The·compiler·handles·the·<code·class="inline">IMPORT</code>·statement.·It·is·important·to·import·the |
| 153 | compiled·file·and·not·the·ASN.1·(source)·file.·A·MIB·must·be·recompiled·to·make | 153 | compiled·file·and·not·the·ASN.1·(source)·file.·A·MIB·must·be·recompiled·to·make |
| 154 | changes·visible·to·other·MIBs·importing·it.</p><p>The·compiled·files·of·the·imported·MIBs·must·be·present·in·the·current | 154 | changes·visible·to·other·MIBs·importing·it.</p><p>The·compiled·files·of·the·imported·MIBs·must·be·present·in·the·current |
| 155 | directory,·or·a·directory·in·the·current·path.·The·path·is·supplied·with·the | 155 | directory,·or·a·directory·in·the·current·path.·The·path·is·supplied·with·the |
| 156 | <code·class="inline">{i,·Path}</code>·option,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id=" | 156 | <code·class="inline">{i,·Path}</code>·option,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id="1259013979-1">(</span><span·class="s">"MY-MIB"</span><span·class="p">,</span><span·class="w"> |
| 157 | ·······</span><span·class="p"·data-group-id=" | 157 | ·······</span><span·class="p"·data-group-id="1259013979-2">[</span><span·class="p"·data-group-id="1259013979-3">{</span><span·class="ss">i</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1259013979-4">[</span><span·class="s">"friend_mibs/"</span><span·cl[·...·truncated·by·diffoscope;·len:·291,·SHA:·92fa0ea6964aa1c3046195107e2e8d7690c83cd1eb5bab77634ffa3728454982·...·]9-1">)</span><span·class="p">.</span></code></pre><p>It·is·also·possible·to·import·MIBs·from·OTP·applications·in·an·<code·class="inline">"include_lib"</code> |
| 158 | like·fashion·with·the·<code·class="inline">il</code>·option.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id=" | 158 | like·fashion·with·the·<code·class="inline">il</code>·option.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmpc</span><span·class="p">:</span><span·class="nf">compile</span><span·class="p"·data-group-id="0426686509-1">(</span><span·class="s">"MY-MIB"</span><span·class="p">,</span><span·class="w"> |
| 159 | ·······</span><span·class="p"·data-group-id=" | 159 | ·······</span><span·class="p"·data-group-id="0426686509-2">[</span><span·class="p"·data-group-id="0426686509-3">{</span><span·class="ss">il</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0426686509-4">[</span><span·class="s">"snmp/priv/mibs/"</span><spa[·...·truncated·by·diffoscope;·len:·295,·SHA:·5fae8f33164257f055c509836e03d8b68f4238de3a6dfac92d00aae8d210f432·...·]-1">)</span><span·class="p">.</span></code></pre><p>finds·the·latest·version·of·the·<code·class="inline">snmp</code>·and·<code·class="inline">myapp</code>·applications·in·the·OTP |
| 160 | system·and·uses·the·expanded·paths·as·include·paths.</p><p>Note·that·an·SMIv2·MIB·can·import·an·SMIv1·MIB·and·vice·versa.</p><p>The·following·MIBs·are·built-ins·of·the·Erlang·SNMP·compiler:·SNMPv2-SMI, | 160 | system·and·uses·the·expanded·paths·as·include·paths.</p><p>Note·that·an·SMIv2·MIB·can·import·an·SMIv1·MIB·and·vice·versa.</p><p>The·following·MIBs·are·built-ins·of·the·Erlang·SNMP·compiler:·SNMPv2-SMI, |
| 161 | RFC-1215,·RFC-1212,·SNMPv2-TC,·SNMPv2-CONF,·and·RFC1155-SMI.·They·cannot | 161 | RFC-1215,·RFC-1212,·SNMPv2-TC,·SNMPv2-CONF,·and·RFC1155-SMI.·They·cannot |
| 162 | therefore·be·compiled·separately.</p><h2·id="mib-consistency-checking"·class="section-heading"> | 162 | therefore·be·compiled·separately.</p><h2·id="mib-consistency-checking"·class="section-heading"> |
| 163 | ··<a·href="#mib-consistency-checking"·class="hover-link"> | 163 | ··<a·href="#mib-consistency-checking"·class="hover-link"> |
| 164 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 164 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 165 | ··</a> | 165 | ··</a> |
| 166 | ··<span·class="text">MIB·Consistency·Checking</span> | 166 | ··<span·class="text">MIB·Consistency·Checking</span> |
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| 262 | ······<p·class="built-using"> | 262 | ······<p·class="built-using"> |
| 263 | ········Built·using | 263 | ········Built·using |
| 264 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 264 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 265 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 265 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 266 | ······</p> | 266 | ······</p> |
| 267 | <p>Copyright·©·1996-202 | 267 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 268 | ····</footer> | 268 | ····</footer> |
| 269 | ··</div> | 269 | ··</div> |
| 270 | </main> | 270 | </main> |
| 271 | </div> | 271 | </div> |
| 272 | <script> | 272 | <script> |
| 273 | ··function·mermaidLoaded()·{ | 273 | ··function·mermaidLoaded()·{ |
| 274 | ····mermaid.initialize({ | 274 | ····mermaid.initialize({ |
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| 468 | ······<p·class="built-using"> | 468 | ······<p·class="built-using"> |
| 469 | ········Built·using | 469 | ········Built·using |
| 470 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 470 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 471 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 471 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 472 | ······</p> | 472 | ······</p> |
| 473 | <p>Copyright·©·1996-202 | 473 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 474 | ····</footer> | 474 | ····</footer> |
| 475 | ··</div> | 475 | ··</div> |
| 476 | </main> | 476 | </main> |
| 477 | </div> | 477 | </div> |
| 478 | <script> | 478 | <script> |
| 479 | ··function·mermaidLoaded()·{ | 479 | ··function·mermaidLoaded()·{ |
| 480 | ····mermaid.initialize({ | 480 | ····mermaid.initialize({ |
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| 130 | ····<section·id="moduledoc"> | 130 | ····<section·id="moduledoc"> |
| 131 | <p>Encode·and·Decode·Functions·for·SNMP·PDUs</p><p>RFC1157,·RFC1905·and/or·RFC2272·should·be·studied·carefully·before·using·this | 131 | <p>Encode·and·Decode·Functions·for·SNMP·PDUs</p><p>RFC1157,·RFC1905·and/or·RFC2272·should·be·studied·carefully·before·using·this |
| 132 | module,·<code·class="inline">snmp_pdus</code>.</p><p>The·module·<code·class="inline">snmp_pdus</code>·contains·functions·for·encoding·and·decoding·of·SNMP | 132 | module,·<code·class="inline">snmp_pdus</code>.</p><p>The·module·<code·class="inline">snmp_pdus</code>·contains·functions·for·encoding·and·decoding·of·SNMP |
| 133 | protocol·data·units·(PDUs).·In·short,·this·module·converts·a·list·of·bytes·to | 133 | protocol·data·units·(PDUs).·In·short,·this·module·converts·a·list·of·bytes·to |
| 134 | Erlang·record·representations·and·vice·versa.·The·record·definitions·can·be | 134 | Erlang·record·representations·and·vice·versa.·The·record·definitions·can·be |
| 135 | found·in·the·file·<code·class="inline">snmp/include/snmp_types.hrl</code>.·If·snmpv3·is·used,·the·module | 135 | found·in·the·file·<code·class="inline">snmp/include/snmp_types.hrl</code>.·If·snmpv3·is·used,·the·module |
| 136 | that·includes·<code·class="inline">snmp_types.hrl</code>·must·define·the·constant·<code·class="inline">SNMP_USE_V3</code>·before·the | 136 | that·includes·<code·class="inline">snmp_types.hrl</code>·must·define·the·constant·<code·class="inline">SNMP_USE_V3</code>·before·the |
| 137 | header·file·is·included.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 137 | header·file·is·included.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1165715311-1">(</span><span·class="n">SNMP_USE_V3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="1165715311-1">)</span><span·class="p">.</span><span·class="w"> |
| 138 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 138 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="1165715311-2">(</span><span·class="s">"snmp/include/snmp_types.hrl"</span><span·class="p"·data-group-id="1165715311-2">)</span><span·class="p">.</span></code></pre><p>Encoding·and·decoding·must·be·done·explicitly·when·writing·your·own·Net·if |
| 139 | process.</p> | 139 | process.</p> |
| 140 | ····</section> | 140 | ····</section> |
| 141 | </div> | 141 | </div> |
| 142 | ··<section·id="summary"·class="details-list"> | 142 | ··<section·id="summary"·class="details-list"> |
| 143 | ····<h1·class="section-heading"> | 143 | ····<h1·class="section-heading"> |
| Offset 1007, 15 lines modified | Offset 1007, 15 lines modified | ||
| 1007 | ······<p·class="built-using"> | 1007 | ······<p·class="built-using"> |
| 1008 | ········Built·using | 1008 | ········Built·using |
| 1009 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1009 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1010 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1010 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1011 | ······</p> | 1011 | ······</p> |
| 1012 | <p>Copyright·©·1996-202 | 1012 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1013 | ····</footer> | 1013 | ····</footer> |
| 1014 | ··</div> | 1014 | ··</div> |
| 1015 | </main> | 1015 | </main> |
| 1016 | </div> | 1016 | </div> |
| 1017 | <script> | 1017 | <script> |
| 1018 | ··function·mermaidLoaded()·{ | 1018 | ··function·mermaidLoaded()·{ |
| 1019 | ····mermaid.initialize({ | 1019 | ····mermaid.initialize({ |
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| 410 | ······<p·class="built-using"> | 410 | ······<p·class="built-using"> |
| 411 | ········Built·using | 411 | ········Built·using |
| 412 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 412 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 413 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 413 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 414 | ······</p> | 414 | ······</p> |
| 415 | <p>Copyright·©·1996-202 | 415 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 416 | ····</footer> | 416 | ····</footer> |
| 417 | ··</div> | 417 | ··</div> |
| 418 | </main> | 418 | </main> |
| 419 | </div> | 419 | </div> |
| 420 | <script> | 420 | <script> |
| 421 | ··function·mermaidLoaded()·{ | 421 | ··function·mermaidLoaded()·{ |
| 422 | ····mermaid.initialize({ | 422 | ····mermaid.initialize({ |
| Offset 786, 15 lines modified | Offset 786, 15 lines modified | ||
| 786 | ······<p·class="built-using"> | 786 | ······<p·class="built-using"> |
| 787 | ········Built·using | 787 | ········Built·using |
| 788 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 788 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 789 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 789 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 790 | ······</p> | 790 | ······</p> |
| 791 | <p>Copyright·©·1996-202 | 791 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 792 | ····</footer> | 792 | ····</footer> |
| 793 | ··</div> | 793 | ··</div> |
| 794 | </main> | 794 | </main> |
| 795 | </div> | 795 | </div> |
| 796 | <script> | 796 | <script> |
| 797 | ··function·mermaidLoaded()·{ | 797 | ··function·mermaidLoaded()·{ |
| 798 | ····mermaid.initialize({ | 798 | ····mermaid.initialize({ |
| Offset 739, 15 lines modified | Offset 739, 15 lines modified | ||
| 739 | ······<p·class="built-using"> | 739 | ······<p·class="built-using"> |
| 740 | ········Built·using | 740 | ········Built·using |
| 741 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 741 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 742 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 742 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 743 | ······</p> | 743 | ······</p> |
| 744 | <p>Copyright·©·1996-202 | 744 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 745 | ····</footer> | 745 | ····</footer> |
| 746 | ··</div> | 746 | ··</div> |
| 747 | </main> | 747 | </main> |
| 748 | </div> | 748 | </div> |
| 749 | <script> | 749 | <script> |
| 750 | ··function·mermaidLoaded()·{ | 750 | ··function·mermaidLoaded()·{ |
| 751 | ····mermaid.initialize({ | 751 | ····mermaid.initialize({ |
| Offset 1046, 15 lines modified | Offset 1046, 15 lines modified | ||
| 1046 | ······<p·class="built-using"> | 1046 | ······<p·class="built-using"> |
| 1047 | ········Built·using | 1047 | ········Built·using |
| 1048 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1048 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1049 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1049 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1050 | ······</p> | 1050 | ······</p> |
| 1051 | <p>Copyright·©·1996-202 | 1051 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1052 | ····</footer> | 1052 | ····</footer> |
| 1053 | ··</div> | 1053 | ··</div> |
| 1054 | </main> | 1054 | </main> |
| 1055 | </div> | 1055 | </div> |
| 1056 | <script> | 1056 | <script> |
| 1057 | ··function·mermaidLoaded()·{ | 1057 | ··function·mermaidLoaded()·{ |
| 1058 | ····mermaid.initialize({ | 1058 | ····mermaid.initialize({ |
| Offset 3215, 16 lines modified | Offset 3215, 16 lines modified | ||
| 3215 | ······················AgentName·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(), | 3215 | ······················AgentName·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>(), |
| 3216 | ······················Mib·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), | 3216 | ······················Mib·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>(), |
| 3217 | ······················Reason·::·already_loaded·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 3217 | ······················Reason·::·already_loaded·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 3218 | ······</div> | 3218 | ······</div> |
| 3219 | <p>Load·a·single·<code·class="inline">Mib</code>·into·an·agent.·The·<code·class="inline">MibName</code>·is·the·name·of·the·Mib, | 3219 | <p>Load·a·single·<code·class="inline">Mib</code>·into·an·agent.·The·<code·class="inline">MibName</code>·is·the·name·of·the·Mib, |
| 3220 | including·the·path·to·where·the·compiled·mib·is·found.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">priv_dir</span><span·class="p"·data-group-id=" | 3220 | including·the·path·to·where·the·compiled·mib·is·found.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">priv_dir</span><span·class="p"·data-group-id="4965438148-1">(</span><span·class="ss">my_app</span><span·class="p"·data-group-id="4965438148-1">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">"/mibs/"</span><span·class="p">,</span><span·class="w"> |
| 3221 | ··········</span><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">load_mib</span><span·class="p"·data-group-id=" | 3221 | ··········</span><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">load_mib</span><span·class="p"·data-group-id="4965438148-2">(</span><span·class="ss">snmp_master_agent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">"MY-MIB"</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·3d6c2fe5bf39a09c5f114b07958a9632969fac0711a31616b9455a060d18592f·...·]-2">)</span><span·class="p">.</span></code></pre> |
| 3222 | ··</section> | 3222 | ··</section> |
| 3223 | </section> | 3223 | </section> |
| 3224 | <section·class="detail"·id="load_mibs/1"> | 3224 | <section·class="detail"·id="load_mibs/1"> |
| 3225 | ··<div·class="detail-header"> | 3225 | ··<div·class="detail-header"> |
| 3226 | ····<a·href="#load_mibs/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 3226 | ····<a·href="#load_mibs/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 3227 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 3227 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 3326, 16 lines modified | Offset 3326, 16 lines modified | ||
| 3326 | ·······················InternalReason·::·already_loaded·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 3326 | ·······················InternalReason·::·already_loaded·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 3327 | ······</div> | 3327 | ······</div> |
| 3328 | <p>Load·<code·class="inline">Mibs</code>·into·an·agent.·If·the·agent·cannot·load·all·MIBs·(the·default·value | 3328 | <p>Load·<code·class="inline">Mibs</code>·into·an·agent.·If·the·agent·cannot·load·all·MIBs·(the·default·value |
| 3329 | of·the·<code·class="inline">Force</code>·argument·is·<code·class="inline">false</code>),·it·will·indicate·where·loading·was·aborted. | 3329 | of·the·<code·class="inline">Force</code>·argument·is·<code·class="inline">false</code>),·it·will·indicate·where·loading·was·aborted. |
| 3330 | The·<code·class="inline">MibName</code>·is·the·name·of·the·Mib,·including·the·path·to·where·the·compiled | 3330 | The·<code·class="inline">MibName</code>·is·the·name·of·the·Mib,·including·the·path·to·where·the·compiled |
| 3331 | mib·is·found.·For·example,</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">priv_dir</span><span·class="p"·data-group-id=" | 3331 | mib·is·found.·For·example,</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">priv_dir</span><span·class="p"·data-group-id="3248248776-1">(</span><span·class="ss">my_app</span><span·class="p"·data-group-id="3248248776-1">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">"/mibs/"</span><span·class="p">,</span><span·class="w"> |
| 3332 | ··········</span><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">load_mibs</span><span·class="p"·data-group-id=" | 3332 | ··········</span><span·class="nc">snmpa</span><span·class="p">:</span><span·class="nf">load_mibs</span><span·class="p"·data-group-id="3248248776-2">(</span><span·class="ss">snmp_master_agent</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3248248776-3">[</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·[·...·truncated·by·diffoscope;·len:·142,·SHA:·27f14b84b34aa458d37ff94ed2a103e312e17d5f4ebf4bed3c8e11b125773715·...·]-2">)</span><span·class="p">.</span></code></pre><p>If·<code·class="inline">Force·=·true</code>·then·the·agent·will·continue·attempting·to·load·each·mib·even |
| 3333 | after·failing·to·load·a·previous·mib.·Use·with·care.</p> | 3333 | after·failing·to·load·a·previous·mib.·Use·with·care.</p> |
| 3334 | ··</section> | 3334 | ··</section> |
| 3335 | </section> | 3335 | </section> |
| 3336 | <section·class="detail"·id="log_to_io/1"> | 3336 | <section·class="detail"·id="log_to_io/1"> |
| 3337 | ··<div·class="detail-header"> | 3337 | ··<div·class="detail-header"> |
| 3338 | ····<a·href="#log_to_io/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 3338 | ····<a·href="#log_to_io/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
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| 4297 | ··········································Mod·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:module/0">module</a>(), | 4297 | ··········································Mod·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:module/0">module</a>(), |
| 4298 | ··········································Data·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(), | 4298 | ··········································Data·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(), |
| 4299 | ··········································Where·::·<a·href="#t:nfilter_position/0">nfilter_position</a>(), | 4299 | ··········································Where·::·<a·href="#t:nfilter_position/0">nfilter_position</a>(), |
| 4300 | ··········································Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 4300 | ··········································Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 4301 | ······</div> | 4301 | ······</div> |
| 4302 | <p>Accepted·type·specifications·are:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">register_notification_filter</span><span·class="p"·data-group-id="2 | 4302 | <p>Accepted·type·specifications·are:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">register_notification_filter</span><span·class="p"·data-group-id="0245940094-1">(</span><span·class="n">Agent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Id</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·443,·SHA:·9e2462c93867e7ff1f0132c252c32dee65a850366507af2fb6953d42ae014663·...·]-2">}</span><span·class="p">.</span><span·class="w"> |
| 4303 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">register_notification_filter</span><span·class="p"·data-group-id="2 | 4303 | </span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">register_notification_filter</span><span·class="p"·data-group-id="0245940094-3">(</span><span·class="n">Id</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mod</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p">,</span><span·class="w">·</span><span·class=[·...·truncated·by·diffoscope;·len:·443,·SHA:·fbfa5d597f539b858f1d310c62d43d35298ec3a94bd92dc4f7cdc13400b7b128·...·]-4">}</span><span·class="p">.</span></code></pre> |
| 4304 | ··</section> | 4304 | ··</section> |
| 4305 | </section> | 4305 | </section> |
| 4306 | <section·class="detail"·id="register_notification_filter/5"> | 4306 | <section·class="detail"·id="register_notification_filter/5"> |
| 4307 | ··<div·class="detail-header"> | 4307 | ··<div·class="detail-header"> |
| 4308 | ····<a·href="#register_notification_filter/5"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 4308 | ····<a·href="#register_notification_filter/5"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 4309 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 4309 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 4367 | ·······························SubAgent·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0">pid</a>(), | 4367 | ·······························SubAgent·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0">pid</a>(), |
| 4368 | ·······························Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 4368 | ·······························Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 4369 | ······</div> | 4369 | ······</div> |
| 4370 | <p>Registers·a·sub-agent·under·a·sub-tree·of·another·agent.</p><p>It·is·easy·to·make·mistakes·when·registering·sub-agents·and·this·activity·should | 4370 | <p>Registers·a·sub-agent·under·a·sub-tree·of·another·agent.</p><p>It·is·easy·to·make·mistakes·when·registering·sub-agents·and·this·activity·should |
| 4371 | be·done·carefully.·For·example,·a·strange·behaviour·would·result·from·the | 4371 | be·done·carefully.·For·example,·a·strange·behaviour·would·result·from·the |
| 4372 | following·configuration:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmp_agent</span><span·class="p">:</span><span·class="nf">register_subagent</span><span·class="p"·data-group-id="3848934224-1">(</span><span·class="n">MAPid</span><span·class="p">,</span><span·class="p"·data-group-id="3848934224-2">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="3848934224-2">]</span><span·class="p">,</span><span·class="n">SA1</span><span·class="p"·data-group-id="3848934224-1">)</span><span·class="p">,</span><span·class="w"> | ||
| 4373 | </span><span·class="nc">snmp_agent</span><span·class="p">:</span><span·class="nf">register_subagent</span><span·class="p"·data-group-id=" | 4372 | following·configuration:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">snmp_agent</span><span·class="p">:</span><span·class="nf">register_subagent</span><span·class="p"·data-group-id="5923539977-1">(</span><span·class="n">MAPid</span>[·...·truncated·by·diffoscope;·len:·445,·SHA:·eea2ae53e7d6e0698c432ccbe763d4427697e6365cc9bfffeadddb9b1b6cefac·...·] |
| 4373 | </span><span·class="nc">snmp_agent</span><span·class="p">:</span><span·class="nf">register_subagent</span><span·class="p"·data-group-id="5923539977-3">(</span><span·class="n">SA1</span><span·class="p">,</span><span·class="p"·data-group-id="5923539977-4">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="5923539977-4">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SA2</span><span·class="p"·data-group-id="5923539977-3">)</span><span·class="p">.</span></code></pre><p><code·class="inline">SA2</code>·will·not·get·requests·starting·with·object·identifier·<code·class="inline">[1,2,3]</code>·since | ||
| 4374 | <code·class="inline">SA1</code>·does·not.</p> | 4374 | <code·class="inline">SA1</code>·does·not.</p> |
| 4375 | ··</section> | 4375 | ··</section> |
| 4376 | </section> | 4376 | </section> |
| 4377 | <section·class="detail"·id="restart_set_worker/0"> | 4377 | <section·class="detail"·id="restart_set_worker/0"> |
| 4378 | ··<div·class="detail-header"> | 4378 | ··<div·class="detail-header"> |
| 4379 | ····<a·href="#restart_set_worker/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 4379 | ····<a·href="#restart_set_worker/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 4793, 28 lines modified | Offset 4793, 28 lines modified | ||
| 4793 | function·call·according·to·the·value·of·<code·class="inline">Recv</code>.</li></ul><p>If·<code·class="inline">Receiver</code>·has·the·value·<code·class="inline">{Tag,·Recv}</code>,·the·delivery·is·done·according·to | 4793 | function·call·according·to·the·value·of·<code·class="inline">Recv</code>.</li></ul><p>If·<code·class="inline">Receiver</code>·has·the·value·<code·class="inline">{Tag,·Recv}</code>,·the·delivery·is·done·according·to |
| 4794 | <code·class="inline">Recv</code>:</p><ul><li><p><code·class="inline">pid()·|·atom()</code>·-·The·info·will·be·delivered·in·the·following·messages:</p><ul><li><p><code·class="inline">{snmp_targets,·Tag,·Addresses}</code></p><p>This·inform·the·user·which·target·addresses·the·notification·was·sent·to.</p></li><li><p><code·class="inline">{snmp_notification,·Tag,·{got_response,·Address}}</code></p><p>This·informs·the·user·that·this·target·address·acknowledged·the | 4794 | <code·class="inline">Recv</code>:</p><ul><li><p><code·class="inline">pid()·|·atom()</code>·-·The·info·will·be·delivered·in·the·following·messages:</p><ul><li><p><code·class="inline">{snmp_targets,·Tag,·Addresses}</code></p><p>This·inform·the·user·which·target·addresses·the·notification·was·sent·to.</p></li><li><p><code·class="inline">{snmp_notification,·Tag,·{got_response,·Address}}</code></p><p>This·informs·the·user·that·this·target·address·acknowledged·the |
| 4795 | notification.</p></li><li><p><code·class="inline">{snmp_notification,·Tag,·{no_response,·Address}}</code></p><p>This·informs·the·user·that·this·target·address·did·not·acknowledge | 4795 | notification.</p></li><li><p><code·class="inline">{snmp_notification,·Tag,·{no_response,·Address}}</code></p><p>This·informs·the·user·that·this·target·address·did·not·acknowledge |
| 4796 | notification.</p></li></ul><p>The·notification·is·sent·as·an·Inform-Request·to·each·target·address·in | 4796 | notification.</p></li></ul><p>The·notification·is·sent·as·an·Inform-Request·to·each·target·address·in |
| 4797 | <code·class="inline">Addresses</code>·and·if·there·are·no·targets·for·which·an·Inform-Request·is·sent, | 4797 | <code·class="inline">Addresses</code>·and·if·there·are·no·targets·for·which·an·Inform-Request·is·sent, |
| 4798 | <code·class="inline">Addresses</code>·is·the·empty·list·<code·class="inline">[]</code>.</p><p>The·<code·class="inline">receiver</code>·will·first·be·sent·the·<code·class="inline">snmp_targets</code>·message,·and·then·for | 4798 | <code·class="inline">Addresses</code>·is·the·empty·list·<code·class="inline">[]</code>.</p><p>The·<code·class="inline">receiver</code>·will·first·be·sent·the·<code·class="inline">snmp_targets</code>·message,·and·then·for |
| 4799 | each·address·in·<code·class="inline">Addresses</code>·list,·one·of·the·two·<code·class="inline">snmp_notification</code>·messages.</p></li><li><p><code·class="inline">{Mod,·Func,·Args}</code>·-·The·info·will·be·delivered·via·the·function·call:</p><p><code·class="inline">Mod:Func([Msg·|·Args])</code></p><p>where·<code·class="inline">Msg</code>·has·the·same·content·and·purpose·as·the·messages·descrived·above.</p></li></ul><p><code·class="inline">Address</code>·is·a·management·target·address·and·<code·class="inline">Addresses</code>·is·a·list·of·management | 4799 | each·address·in·<code·class="inline">Addresses</code>·list,·one·of·the·two·<code·class="inline">snmp_notification</code>·messages.</p></li><li><p><code·class="inline">{Mod,·Func,·Args}</code>·-·The·info·will·be·delivered·via·the·function·call:</p><p><code·class="inline">Mod:Func([Msg·|·Args])</code></p><p>where·<code·class="inline">Msg</code>·has·the·same·content·and·purpose·as·the·messages·descrived·above.</p></li></ul><p><code·class="inline">Address</code>·is·a·management·target·address·and·<code·class="inline">Addresses</code>·is·a·list·of·management |
| 4800 | target·addresses.·They·are·defined·as·followes:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="n">Addresses</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 4800 | target·addresses.·They·are·defined·as·followes:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">········</span><span·class="n">Addresses</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9122120984-1">[</span><span·class="nf">address</span><span·class="p"·data-group-id="9122120984-2">(</span><span·class="p"·data-group-id="9122120984-2">)</span><span·class="p"·data-group-id="9122120984-1">]</span><span·class="w"> |
| 4801 | ········</span><span·class="n">Address</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">address</span><span·class="p"·data-group-id=" | 4801 | ········</span><span·class="n">Address</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">address</span><span·class="p"·data-group-id="9122120984-3">(</span><span·class="p"·data-group-id="9122120984-3">)</span><span·class="w"> |
| 4802 | ········</span><span·class="nf">address</span><span·class="p"·data-group-id="2799307063-4">(</span><span·class="p"·data-group-id="2799307063-4">)</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">v1_address</span><span·class="p"·data-group-id="2799307063-5">(</span><span·class="p"·data-group-id="2799307063-5">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">v3_address</span><span·class="p"·data-group-id="2799307063-6">(</span><span·class="p"·data-group-id="2799307063-6">)</span><span·class="w"> | ||
| 4803 | ········</span><span·class="nf"> | 4802 | ········</span><span·class="nf">address</span><span·class="p"·data-group-id="9122120984-4">(</span><span·class="p"·data-group-id="9122120984-4">)</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">v1_address</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·282,·SHA:·8db8971adf4de1eba40b15c068c852c754169eef03aab2cf568f67a5489f8e6f·...·]</span><span·class="w"> |
| 4803 | ········</span><span·class="nf">v1_address</span><span·class="p"·data-group-id="9122120984-7">(</span><span·class="p"·data-group-id="9122120984-7">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9122120984-8">{</span><span·class="n">TDomain</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TAddress</span><span·class="p"·data-group-id="9122120984-8">}</span><span·class="w"> | ||
| 4804 | ········</span><span·class="nf">v3_address</span><span·class="p"·data-group-id=" | 4804 | ········</span><span·class="nf">v3_address</span><span·class="p"·data-group-id="9122120984-9">(</span><span·class="p"·data-group-id="9122120984-9">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9122120984-10">{</span><span·class="p"·data-group-id="9122120984-11">{</span><[·...·truncated·by·diffoscope;·len:·283,·SHA:·e119254d0e9fa9feda62734d6fad4d4edc0b487af626e23b0c23c90b0fb9cdfd·...·]-10">}</span><span·class="w"> |
| 4805 | ········</span><span·class="n">TDomain</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">tdoamin</span><span·class="p"·data-group-id=" | 4805 | ········</span><span·class="n">TDomain</span><span·class="w">····</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">tdoamin</span><span·class="p"·data-group-id="9122120984-12">(</span><span·class="p"·data-group-id="9122120984-12">)</span><span·class="w"> |
| 4806 | ········</span><span·class="n">TAddress</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">taddress</span><span·class="p"·data-group-id=" | 4806 | ········</span><span·class="n">TAddress</span><span·class="w">···</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">taddress</span><span·class="p"·data-group-id="9122120984-13">(</span><span·class="p"·data-group-id="9122120984-13">)</span><span·class="w"> |
| 4807 | ········</span><span·class="nf">tdomain</span><span·class="p"·data-group-id=" | 4807 | ········</span><span·class="nf">tdomain</span><span·class="p"·data-group-id="9122120984-14">(</span><span·class="p"·data-group-id="9122120984-14">)</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="n">The</span><span·class="w">·</span><span·class="ss">oid</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">snmpUDPDomain</span><span·class="w"> |
| 4808 | ·····················</span><span·class="n">This</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">only</span><span·class="w">·</span><span·class="ss">supported</span><span·class="w">·</span><span·class="ss">transport</span><span·class="w">·</span><span·class="ss">domain</span><span·class="p">.</span><span·class="w"> | 4808 | ·····················</span><span·class="n">This</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">only</span><span·class="w">·</span><span·class="ss">supported</span><span·class="w">·</span><span·class="ss">transport</span><span·class="w">·</span><span·class="ss">domain</span><span·class="p">.</span><span·class="w"> |
| 4809 | ········</span><span·class="nf">taddress</span><span·class="p"·data-group-id=" | 4809 | ········</span><span·class="nf">taddress</span><span·class="p"·data-group-id="9122120984-15">(</span><span·class="p"·data-group-id="9122120984-15">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="9122120984-16">[</span><span·class="n">A1</span><span·class="p">,</span><spa[·...·truncated·by·diffoscope;·len:·378,·SHA:·23eab9bff320c450c9266d593664bbc6ce12042228d22ab10cfd4b85b893791e·...·]-16">]</span><span·class="w"> |
| 4810 | ·····················</span><span·class="n">The</span><span·class="w">·</span><span·class="mi">4</span><span·class="w">·</span><span·class="ss">first</span><span·class="w">·</span><span·class="ss">bytes</span><span·class="w">·</span><span·class="ss">makes</span><span·class="w">·</span><span·class="ss">up</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">IP</span><span·class="o">-</span><span·class="ss">address</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">last</span><span·class="w">·</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> | 4810 | ·····················</span><span·class="n">The</span><span·class="w">·</span><span·class="mi">4</span><span·class="w">·</span><span·class="ss">first</span><span·class="w">·</span><span·class="ss">bytes</span><span·class="w">·</span><span·class="ss">makes</span><span·class="w">·</span><span·class="ss">up</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">IP</span><span·class="o">-</span><span·class="ss">address</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">last</span><span·class="w">·</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 4811 | ·····················</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">UDP</span><span·class="o">-</span><span·class="ss">port</span><span·class="w">·</span><span·class="ss">number</span><span·class="p">.</span><span·class="w"> | 4811 | ·····················</span><span·class="ss">the</span><span·class="w">·</span><span·class="n">UDP</span><span·class="o">-</span><span·class="ss">port</span><span·class="w">·</span><span·class="ss">number</span><span·class="p">.</span><span·class="w"> |
| 4812 | ········</span><span·class="n">V3MsgData</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">v3_msg_data</span><span·class="p"·data-group-id=" | 4812 | ········</span><span·class="n">V3MsgData</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">v3_msg_data</span><span·class="p"·data-group-id="9122120984-17">(</span><span·class="p"·data-group-id="9122120984-17">)</span><span·class="w"> |
| 4813 | ········</span><span·class="nf">v3_msg_data</span><span·class="p"·data-group-id=" | 4813 | ········</span><span·class="nf">v3_msg_data</span><span·class="p"·data-group-id="9122120984-18">(</span><span·class="p"·data-group-id="9122120984-18">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="9122120984-19">(</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·93057bf94eeca27ce87acd7c585beee5b9bb3dec02eb63ee4e8fbf6320ce8de5·...·]-19">)</span></code></pre><p>If·<code·class="inline">Receiver</code>·is·a·<a·href="#t:notification_delivery_info/0"><code·class="inline">notification_delivery_info/0</code></a>·record,·then·the·information |
| 4814 | about·the·notification·delivery·will·be·delivered·to·the·<code·class="inline">receiver</code>·via·the | 4814 | about·the·notification·delivery·will·be·delivered·to·the·<code·class="inline">receiver</code>·via·the |
| 4815 | callback·functions·defined·by·the·<a·href="snmpa_notification_delivery_info_receiver.html"><code·class="inline">snmpa_notification_delivery_info_receiver</code></a> | 4815 | callback·functions·defined·by·the·<a·href="snmpa_notification_delivery_info_receiver.html"><code·class="inline">snmpa_notification_delivery_info_receiver</code></a> |
| 4816 | behaviour·according·to·the·content·of·the·<a·href="#t:notification_delivery_info/0"><code·class="inline">notification_delivery_info/0</code></a> | 4816 | behaviour·according·to·the·content·of·the·<a·href="#t:notification_delivery_info/0"><code·class="inline">notification_delivery_info/0</code></a> |
| 4817 | record.</p><p>The·optional·argument·<code·class="inline">Varbinds</code>·defines·values·for·the·objects·in·the | 4817 | record.</p><p>The·optional·argument·<code·class="inline">Varbinds</code>·defines·values·for·the·objects·in·the |
| 4818 | notification.·If·no·value·is·given·for·an·object,·the·<code·class="inline">Agent</code>·performs·a | 4818 | notification.·If·no·value·is·given·for·an·object,·the·<code·class="inline">Agent</code>·performs·a |
| 4819 | get-operation·to·retrieve·the·value.</p><p><code·class="inline">Varbinds</code>·is·a·list·of·<code·class="inline">Varbind</code>,·where·each·<code·class="inline">Varbind</code>·is·one·of:</p><ul><li><code·class="inline">{Variable,·Value}</code>,·where·<code·class="inline">Variable</code>·is·the·symbolic·name·of·a·scalar | 4819 | get-operation·to·retrieve·the·value.</p><p><code·class="inline">Varbinds</code>·is·a·list·of·<code·class="inline">Varbind</code>,·where·each·<code·class="inline">Varbind</code>·is·one·of:</p><ul><li><code·class="inline">{Variable,·Value}</code>,·where·<code·class="inline">Variable</code>·is·the·symbolic·name·of·a·scalar |
| 4820 | variable·referred·to·in·the·notification·specification.</li><li><code·class="inline">{Column,·RowIndex,·Value}</code>,·where·<code·class="inline">Column</code>·is·the·symbolic·name·of·a·column | 4820 | variable·referred·to·in·the·notification·specification.</li><li><code·class="inline">{Column,·RowIndex,·Value}</code>,·where·<code·class="inline">Column</code>·is·the·symbolic·name·of·a·column |
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| 5781 | ······<p·class="built-using"> | 5781 | ······<p·class="built-using"> |
| 5782 | ········Built·using | 5782 | ········Built·using |
| 5783 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 5783 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 5784 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 5784 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 5785 | ······</p> | 5785 | ······</p> |
| 5786 | <p>Copyright·©·1996-202 | 5786 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 5787 | ····</footer> | 5787 | ····</footer> |
| 5788 | ··</div> | 5788 | ··</div> |
| 5789 | </main> | 5789 | </main> |
| 5790 | </div> | 5790 | </div> |
| 5791 | <script> | 5791 | <script> |
| 5792 | ··function·mermaidLoaded()·{ | 5792 | ··function·mermaidLoaded()·{ |
| 5793 | ····mermaid.initialize({ | 5793 | ····mermaid.initialize({ |
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| 3627 | ······<p·class="built-using"> | 3627 | ······<p·class="built-using"> |
| 3628 | ········Built·using | 3628 | ········Built·using |
| 3629 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3629 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3630 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3630 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3631 | ······</p> | 3631 | ······</p> |
| 3632 | <p>Copyright·©·1996-202 | 3632 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3633 | ····</footer> | 3633 | ····</footer> |
| 3634 | ··</div> | 3634 | ··</div> |
| 3635 | </main> | 3635 | </main> |
| 3636 | </div> | 3636 | </div> |
| 3637 | <script> | 3637 | <script> |
| 3638 | ··function·mermaidLoaded()·{ | 3638 | ··function·mermaidLoaded()·{ |
| 3639 | ····mermaid.initialize({ | 3639 | ····mermaid.initialize({ |
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| 238 | ······<p·class="built-using"> | 238 | ······<p·class="built-using"> |
| 239 | ········Built·using | 239 | ········Built·using |
| 240 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 240 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 241 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 241 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 242 | ······</p> | 242 | ······</p> |
| 243 | <p>Copyright·©·1996-202 | 243 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 244 | ····</footer> | 244 | ····</footer> |
| 245 | ··</div> | 245 | ··</div> |
| 246 | </main> | 246 | </main> |
| 247 | </div> | 247 | </div> |
| 248 | <script> | 248 | <script> |
| 249 | ··function·mermaidLoaded()·{ | 249 | ··function·mermaidLoaded()·{ |
| 250 | ····mermaid.initialize({ | 250 | ····mermaid.initialize({ |
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| 261 | ······<p·class="built-using"> | 261 | ······<p·class="built-using"> |
| 262 | ········Built·using | 262 | ········Built·using |
| 263 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 263 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 264 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 264 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 265 | ······</p> | 265 | ······</p> |
| 266 | <p>Copyright·©·1996-202 | 266 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 267 | ····</footer> | 267 | ····</footer> |
| 268 | ··</div> | 268 | ··</div> |
| 269 | </main> | 269 | </main> |
| 270 | </div> | 270 | </div> |
| 271 | <script> | 271 | <script> |
| 272 | ··function·mermaidLoaded()·{ | 272 | ··function·mermaidLoaded()·{ |
| 273 | ····mermaid.initialize({ | 273 | ····mermaid.initialize({ |
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| 261 | ······<p·class="built-using"> | 261 | ······<p·class="built-using"> |
| 262 | ········Built·using | 262 | ········Built·using |
| 263 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 263 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 264 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 264 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 265 | ······</p> | 265 | ······</p> |
| 266 | <p>Copyright·©·1996-202 | 266 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 267 | ····</footer> | 267 | ····</footer> |
| 268 | ··</div> | 268 | ··</div> |
| 269 | </main> | 269 | </main> |
| 270 | </div> | 270 | </div> |
| 271 | <script> | 271 | <script> |
| 272 | ··function·mermaidLoaded()·{ | 272 | ··function·mermaidLoaded()·{ |
| 273 | ····mermaid.initialize({ | 273 | ····mermaid.initialize({ |
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| 268 | ······<p·class="built-using"> | 268 | ······<p·class="built-using"> |
| 269 | ········Built·using | 269 | ········Built·using |
| 270 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 270 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 271 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 271 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 272 | ······</p> | 272 | ······</p> |
| 273 | <p>Copyright·©·1996-202 | 273 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 274 | ····</footer> | 274 | ····</footer> |
| 275 | ··</div> | 275 | ··</div> |
| 276 | </main> | 276 | </main> |
| 277 | </div> | 277 | </div> |
| 278 | <script> | 278 | <script> |
| 279 | ··function·mermaidLoaded()·{ | 279 | ··function·mermaidLoaded()·{ |
| 280 | ····mermaid.initialize({ | 280 | ····mermaid.initialize({ |
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| 257 | ······<p·class="built-using"> | 257 | ······<p·class="built-using"> |
| 258 | ········Built·using | 258 | ········Built·using |
| 259 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 259 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 260 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 260 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 261 | ······</p> | 261 | ······</p> |
| 262 | <p>Copyright·©·1996-202 | 262 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 263 | ····</footer> | 263 | ····</footer> |
| 264 | ··</div> | 264 | ··</div> |
| 265 | </main> | 265 | </main> |
| 266 | </div> | 266 | </div> |
| 267 | <script> | 267 | <script> |
| 268 | ··function·mermaidLoaded()·{ | 268 | ··function·mermaidLoaded()·{ |
| 269 | ····mermaid.initialize({ | 269 | ····mermaid.initialize({ |
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| 709 | ······<p·class="built-using"> | 709 | ······<p·class="built-using"> |
| 710 | ········Built·using | 710 | ········Built·using |
| 711 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 711 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 712 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 712 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 713 | ······</p> | 713 | ······</p> |
| 714 | <p>Copyright·©·1996-202 | 714 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 715 | ····</footer> | 715 | ····</footer> |
| 716 | ··</div> | 716 | ··</div> |
| 717 | </main> | 717 | </main> |
| 718 | </div> | 718 | </div> |
| 719 | <script> | 719 | <script> |
| 720 | ··function·mermaidLoaded()·{ | 720 | ··function·mermaidLoaded()·{ |
| 721 | ····mermaid.initialize({ | 721 | ····mermaid.initialize({ |
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| 1094 | ······<p·class="built-using"> | 1094 | ······<p·class="built-using"> |
| 1095 | ········Built·using | 1095 | ········Built·using |
| 1096 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1096 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1097 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1097 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1098 | ······</p> | 1098 | ······</p> |
| 1099 | <p>Copyright·©·1996-202 | 1099 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1100 | ····</footer> | 1100 | ····</footer> |
| 1101 | ··</div> | 1101 | ··</div> |
| 1102 | </main> | 1102 | </main> |
| 1103 | </div> | 1103 | </div> |
| 1104 | <script> | 1104 | <script> |
| 1105 | ··function·mermaidLoaded()·{ | 1105 | ··function·mermaidLoaded()·{ |
| 1106 | ····mermaid.initialize({ | 1106 | ····mermaid.initialize({ |
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| 811 | ······<p·class="built-using"> | 811 | ······<p·class="built-using"> |
| 812 | ········Built·using | 812 | ········Built·using |
| 813 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 813 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 814 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 814 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 815 | ······</p> | 815 | ······</p> |
| 816 | <p>Copyright·©·1996-202 | 816 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 817 | ····</footer> | 817 | ····</footer> |
| 818 | ··</div> | 818 | ··</div> |
| 819 | </main> | 819 | </main> |
| 820 | </div> | 820 | </div> |
| 821 | <script> | 821 | <script> |
| 822 | ··function·mermaidLoaded()·{ | 822 | ··function·mermaidLoaded()·{ |
| 823 | ····mermaid.initialize({ | 823 | ····mermaid.initialize({ |
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| 979 | ······<p·class="built-using"> | 979 | ······<p·class="built-using"> |
| 980 | ········Built·using | 980 | ········Built·using |
| 981 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 981 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 982 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 982 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 983 | ······</p> | 983 | ······</p> |
| 984 | <p>Copyright·©·1996-202 | 984 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 985 | ····</footer> | 985 | ····</footer> |
| 986 | ··</div> | 986 | ··</div> |
| 987 | </main> | 987 | </main> |
| 988 | </div> | 988 | </div> |
| 989 | <script> | 989 | <script> |
| 990 | ··function·mermaidLoaded()·{ | 990 | ··function·mermaidLoaded()·{ |
| 991 | ····mermaid.initialize({ | 991 | ····mermaid.initialize({ |
| Offset 474, 15 lines modified | Offset 474, 15 lines modified | ||
| 474 | ······<p·class="built-using"> | 474 | ······<p·class="built-using"> |
| 475 | ········Built·using | 475 | ········Built·using |
| 476 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 476 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 477 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 477 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 478 | ······</p> | 478 | ······</p> |
| 479 | <p>Copyright·©·1996-202 | 479 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 480 | ····</footer> | 480 | ····</footer> |
| 481 | ··</div> | 481 | ··</div> |
| 482 | </main> | 482 | </main> |
| 483 | </div> | 483 | </div> |
| 484 | <script> | 484 | <script> |
| 485 | ··function·mermaidLoaded()·{ | 485 | ··function·mermaidLoaded()·{ |
| 486 | ····mermaid.initialize({ | 486 | ····mermaid.initialize({ |
| Offset 486, 15 lines modified | Offset 486, 15 lines modified | ||
| 486 | ······<p·class="built-using"> | 486 | ······<p·class="built-using"> |
| 487 | ········Built·using | 487 | ········Built·using |
| 488 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 488 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 489 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 489 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 490 | ······</p> | 490 | ······</p> |
| 491 | <p>Copyright·©·1996-202 | 491 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 492 | ····</footer> | 492 | ····</footer> |
| 493 | ··</div> | 493 | ··</div> |
| 494 | </main> | 494 | </main> |
| 495 | </div> | 495 | </div> |
| 496 | <script> | 496 | <script> |
| 497 | ··function·mermaidLoaded()·{ | 497 | ··function·mermaidLoaded()·{ |
| 498 | ····mermaid.initialize({ | 498 | ····mermaid.initialize({ |
| Offset 410, 15 lines modified | Offset 410, 15 lines modified | ||
| 410 | ······<p·class="built-using"> | 410 | ······<p·class="built-using"> |
| 411 | ········Built·using | 411 | ········Built·using |
| 412 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 412 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 413 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 413 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 414 | ······</p> | 414 | ······</p> |
| 415 | <p>Copyright·©·1996-202 | 415 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 416 | ····</footer> | 416 | ····</footer> |
| 417 | ··</div> | 417 | ··</div> |
| 418 | </main> | 418 | </main> |
| 419 | </div> | 419 | </div> |
| 420 | <script> | 420 | <script> |
| 421 | ··function·mermaidLoaded()·{ | 421 | ··function·mermaidLoaded()·{ |
| 422 | ····mermaid.initialize({ | 422 | ····mermaid.initialize({ |
| Offset 319, 15 lines modified | Offset 319, 15 lines modified | ||
| 319 | ······<p·class="built-using"> | 319 | ······<p·class="built-using"> |
| 320 | ········Built·using | 320 | ········Built·using |
| 321 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 321 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 322 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 322 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 323 | ······</p> | 323 | ······</p> |
| 324 | <p>Copyright·©·1996-202 | 324 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 325 | ····</footer> | 325 | ····</footer> |
| 326 | ··</div> | 326 | ··</div> |
| 327 | </main> | 327 | </main> |
| 328 | </div> | 328 | </div> |
| 329 | <script> | 329 | <script> |
| 330 | ··function·mermaidLoaded()·{ | 330 | ··function·mermaidLoaded()·{ |
| 331 | ····mermaid.initialize({ | 331 | ····mermaid.initialize({ |
| Offset 360, 15 lines modified | Offset 360, 15 lines modified | ||
| 360 | ······<p·class="built-using"> | 360 | ······<p·class="built-using"> |
| 361 | ········Built·using | 361 | ········Built·using |
| 362 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 362 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 363 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 363 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 364 | ······</p> | 364 | ······</p> |
| 365 | <p>Copyright·©·1996-202 | 365 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 366 | ····</footer> | 366 | ····</footer> |
| 367 | ··</div> | 367 | ··</div> |
| 368 | </main> | 368 | </main> |
| 369 | </div> | 369 | </div> |
| 370 | <script> | 370 | <script> |
| 371 | ··function·mermaidLoaded()·{ | 371 | ··function·mermaidLoaded()·{ |
| 372 | ····mermaid.initialize({ | 372 | ····mermaid.initialize({ |
| Offset 401, 15 lines modified | Offset 401, 15 lines modified | ||
| 401 | ······<p·class="built-using"> | 401 | ······<p·class="built-using"> |
| 402 | ········Built·using | 402 | ········Built·using |
| 403 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 403 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 404 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 404 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 405 | ······</p> | 405 | ······</p> |
| 406 | <p>Copyright·©·1996-202 | 406 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 407 | ····</footer> | 407 | ····</footer> |
| 408 | ··</div> | 408 | ··</div> |
| 409 | </main> | 409 | </main> |
| 410 | </div> | 410 | </div> |
| 411 | <script> | 411 | <script> |
| 412 | ··function·mermaidLoaded()·{ | 412 | ··function·mermaidLoaded()·{ |
| 413 | ····mermaid.initialize({ | 413 | ····mermaid.initialize({ |
| Offset 127, 15 lines modified | Offset 127, 15 lines modified | ||
| 127 | <p>SNMP·MIB·compiler·frontend</p><h2·id="synopsis"·class="section-heading"> | 127 | <p>SNMP·MIB·compiler·frontend</p><h2·id="synopsis"·class="section-heading"> |
| 128 | ··<a·href="#synopsis"·class="hover-link"> | 128 | ··<a·href="#synopsis"·class="hover-link"> |
| 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 129 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 130 | ··</a> | 130 | ··</a> |
| 131 | ··<span·class="text">Synopsis</span> | 131 | ··<span·class="text">Synopsis</span> |
| 132 | </h2> | 132 | </h2> |
| 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="ss">snmpc</span><span·class="w">·</span><span·class="p"·data-group-id=" | 133 | <pre><code·class="makeup·erlang"·translate="no"><span·class="ss">snmpc</span><span·class="w">·</span><span·class="p"·data-group-id="3517393427-1">[</span><span·class="ss">options</span><span·class="p"·data-group-id="3517393427-1">]</span><span·class="w">·</span><span·class="ss">file</span><span·class="p">.</span><span·class="ss">mib</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">file</span><span·class="p">.</span><span·class="ss">bin</span></code></pre><h2·id="description"·class="section-heading"> |
| 134 | ··<a·href="#description"·class="hover-link"> | 134 | ··<a·href="#description"·class="hover-link"> |
| 135 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 135 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 136 | ··</a> | 136 | ··</a> |
| 137 | ··<span·class="text">Description</span> | 137 | ··<span·class="text">Description</span> |
| 138 | </h2> | 138 | </h2> |
| 139 | <p>The·<code·class="inline">snmpc</code>·program·provides·a·way·to·run·the·SNMP·MIB·compiler·of·the·Erlang | 139 | <p>The·<code·class="inline">snmpc</code>·program·provides·a·way·to·run·the·SNMP·MIB·compiler·of·the·Erlang |
| 140 | system.</p><p><code·class="inline">snmpc</code>·compiles·an·SNMP·MIB·file.·See·<a·href="snmpc.html#compile/1">compile/1,2</a>·for·more | 140 | system.</p><p><code·class="inline">snmpc</code>·compiles·an·SNMP·MIB·file.·See·<a·href="snmpc.html#compile/1">compile/1,2</a>·for·more |
| Offset 211, 15 lines modified | Offset 211, 15 lines modified | ||
| 211 | ······<p·class="built-using"> | 211 | ······<p·class="built-using"> |
| 212 | ········Built·using | 212 | ········Built·using |
| 213 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 213 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 214 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 214 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 215 | ······</p> | 215 | ······</p> |
| 216 | <p>Copyright·©·1996-202 | 216 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 217 | ····</footer> | 217 | ····</footer> |
| 218 | ··</div> | 218 | ··</div> |
| 219 | </main> | 219 | </main> |
| 220 | </div> | 220 | </div> |
| 221 | <script> | 221 | <script> |
| 222 | ··function·mermaidLoaded()·{ | 222 | ··function·mermaidLoaded()·{ |
| 223 | ····mermaid.initialize({ | 223 | ····mermaid.initialize({ |
| Offset 1944, 16 lines modified | Offset 1944, 16 lines modified | ||
| 1944 | ······<div·class="specs"> | 1944 | ······<div·class="specs"> |
| 1945 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·load_mib(MibName)·->·ok·|·{error,·Reason}·when·MibName·::·<a·href="snmp.html#t:mib_name/0">snmp:mib_name</a>(),·Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1945 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·load_mib(MibName)·->·ok·|·{error,·Reason}·when·MibName·::·<a·href="snmp.html#t:mib_name/0">snmp:mib_name</a>(),·Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1946 | ······</div> | 1946 | ······</div> |
| 1947 | <p>Load·a·<code·class="inline">Mib</code>·into·the·manager.·The·<code·class="inline">MibName</code>·is·the·name·of·the·Mib,·including | 1947 | <p>Load·a·<code·class="inline">Mib</code>·into·the·manager.·The·<code·class="inline">MibName</code>·is·the·name·of·the·Mib,·including |
| 1948 | the·path·to·where·the·compiled·mib·is·found.·For·example,</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">priv_dir</span><span·class="p"·data-group-id=" | 1948 | the·path·to·where·the·compiled·mib·is·found.·For·example,</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">priv_dir</span><span·class="p"·data-group-id="5408088195-1">(</span><span·class="ss">my_app</span><span·class="p"·data-group-id="5408088195-1">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">"/mibs/"</span><span·class="p">,</span><span·class="w"> |
| 1949 | ··········</span><span·class="nc">snmpm</span><span·class="p">:</span><span·class="nf">load_mib</span><span·class="p"·data-group-id=" | 1949 | ··········</span><span·class="nc">snmpm</span><span·class="p">:</span><span·class="nf">load_mib</span><span·class="p"·data-group-id="5408088195-2">(</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">"MY-MIB"</span><span·class="p"·data-group-id="5408088195-2">)</span><span·class="p">.</span></code></pre> |
| 1950 | ··</section> | 1950 | ··</section> |
| 1951 | </section> | 1951 | </section> |
| 1952 | <section·class="detail"·id="log_to_io/1"> | 1952 | <section·class="detail"·id="log_to_io/1"> |
| 1953 | ··<div·class="detail-header"> | 1953 | ··<div·class="detail-header"> |
| 1954 | ····<a·href="#log_to_io/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1954 | ····<a·href="#log_to_io/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1955 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1955 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 3450, 16 lines modified | Offset 3450, 16 lines modified | ||
| 3450 | ······<div·class="specs"> | 3450 | ······<div·class="specs"> |
| 3451 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·unload_mib(MibName)·->·ok·|·{error,·Reason}·when·MibName·::·<a·href="snmp.html#t:mib_name/0">snmp:mib_name</a>(),·Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 3451 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·unload_mib(MibName)·->·ok·|·{error,·Reason}·when·MibName·::·<a·href="snmp.html#t:mib_name/0">snmp:mib_name</a>(),·Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 3452 | ······</div> | 3452 | ······</div> |
| 3453 | <p>Unload·a·<code·class="inline">Mib</code>·from·the·manager.·The·<code·class="inline">MibName</code>·is·the·name·of·the·Mib,·including | 3453 | <p>Unload·a·<code·class="inline">Mib</code>·from·the·manager.·The·<code·class="inline">MibName</code>·is·the·name·of·the·Mib,·including |
| 3454 | the·path·to·where·the·compiled·mib·is·found.·For·example,</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">priv_dir</span><span·class="p"·data-group-id=" | 3454 | the·path·to·where·the·compiled·mib·is·found.·For·example,</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··········</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">priv_dir</span><span·class="p"·data-group-id="4329140443-1">(</span><span·class="ss">my_app</span><span·class="p"·data-group-id="4329140443-1">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">"/mibs/"</span><span·class="p">,</span><span·class="w"> |
| 3455 | ··········</span><span·class="nc">snmpm</span><span·class="p">:</span><span·class="nf">unload_mib</span><span·class="p"·data-group-id=" | 3455 | ··········</span><span·class="nc">snmpm</span><span·class="p">:</span><span·class="nf">unload_mib</span><span·class="p"·data-group-id="4329140443-2">(</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">"MY-MIB"</span><span·class="p"·data-group-id="4329140443-2">)</span><span·class="p">.</span></code></pre> |
| 3456 | ··</section> | 3456 | ··</section> |
| 3457 | </section> | 3457 | </section> |
| 3458 | <section·class="detail"·id="unregister_agent/2"> | 3458 | <section·class="detail"·id="unregister_agent/2"> |
| 3459 | ··<div·class="detail-header"> | 3459 | ··<div·class="detail-header"> |
| 3460 | ····<a·href="#unregister_agent/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 3460 | ····<a·href="#unregister_agent/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 3461 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 3461 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 3891, 15 lines modified | Offset 3891, 15 lines modified | ||
| 3891 | ······<p·class="built-using"> | 3891 | ······<p·class="built-using"> |
| 3892 | ········Built·using | 3892 | ········Built·using |
| 3893 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3893 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3894 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3894 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3895 | ······</p> | 3895 | ······</p> |
| 3896 | <p>Copyright·©·1996-202 | 3896 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3897 | ····</footer> | 3897 | ····</footer> |
| 3898 | ··</div> | 3898 | ··</div> |
| 3899 | </main> | 3899 | </main> |
| 3900 | </div> | 3900 | </div> |
| 3901 | <script> | 3901 | <script> |
| 3902 | ··function·mermaidLoaded()·{ | 3902 | ··function·mermaidLoaded()·{ |
| 3903 | ····mermaid.initialize({ | 3903 | ····mermaid.initialize({ |
| Offset 1308, 15 lines modified | Offset 1308, 15 lines modified | ||
| 1308 | ······<p·class="built-using"> | 1308 | ······<p·class="built-using"> |
| 1309 | ········Built·using | 1309 | ········Built·using |
| 1310 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1310 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1311 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1311 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1312 | ······</p> | 1312 | ······</p> |
| 1313 | <p>Copyright·©·1996-202 | 1313 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1314 | ····</footer> | 1314 | ····</footer> |
| 1315 | ··</div> | 1315 | ··</div> |
| 1316 | </main> | 1316 | </main> |
| 1317 | </div> | 1317 | </div> |
| 1318 | <script> | 1318 | <script> |
| 1319 | ··function·mermaidLoaded()·{ | 1319 | ··function·mermaidLoaded()·{ |
| 1320 | ····mermaid.initialize({ | 1320 | ····mermaid.initialize({ |
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| 623 | ······<p·class="built-using"> | 623 | ······<p·class="built-using"> |
| 624 | ········Built·using | 624 | ········Built·using |
| 625 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 625 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 626 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 626 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 627 | ······</p> | 627 | ······</p> |
| 628 | <p>Copyright·©·1996-202 | 628 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 629 | ····</footer> | 629 | ····</footer> |
| 630 | ··</div> | 630 | ··</div> |
| 631 | </main> | 631 | </main> |
| 632 | </div> | 632 | </div> |
| 633 | <script> | 633 | <script> |
| 634 | ··function·mermaidLoaded()·{ | 634 | ··function·mermaidLoaded()·{ |
| 635 | ····mermaid.initialize({ | 635 | ····mermaid.initialize({ |
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| 552 | ······<p·class="built-using"> | 552 | ······<p·class="built-using"> |
| 553 | ········Built·using | 553 | ········Built·using |
| 554 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 554 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 555 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 555 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 556 | ······</p> | 556 | ······</p> |
| 557 | <p>Copyright·©·1996-202 | 557 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 558 | ····</footer> | 558 | ····</footer> |
| 559 | ··</div> | 559 | ··</div> |
| 560 | </main> | 560 | </main> |
| 561 | </div> | 561 | </div> |
| 562 | <script> | 562 | <script> |
| 563 | ··function·mermaidLoaded()·{ | 563 | ··function·mermaidLoaded()·{ |
| 564 | ····mermaid.initialize({ | 564 | ····mermaid.initialize({ |
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| 478 | ······<p·class="built-using"> | 478 | ······<p·class="built-using"> |
| 479 | ········Built·using | 479 | ········Built·using |
| 480 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 480 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 481 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 481 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 482 | ······</p> | 482 | ······</p> |
| 483 | <p>Copyright·©·1996-202 | 483 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 484 | ····</footer> | 484 | ····</footer> |
| 485 | ··</div> | 485 | ··</div> |
| 486 | </main> | 486 | </main> |
| 487 | </div> | 487 | </div> |
| 488 | <script> | 488 | <script> |
| 489 | ··function·mermaidLoaded()·{ | 489 | ··function·mermaidLoaded()·{ |
| 490 | ····mermaid.initialize({ | 490 | ····mermaid.initialize({ |
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| 693 | ······<p·class="built-using"> | 693 | ······<p·class="built-using"> |
| 694 | ········Built·using | 694 | ········Built·using |
| 695 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 695 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 696 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 696 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 697 | ······</p> | 697 | ······</p> |
| 698 | <p>Copyright·©·1996-202 | 698 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 699 | ····</footer> | 699 | ····</footer> |
| 700 | ··</div> | 700 | ··</div> |
| 701 | </main> | 701 | </main> |
| 702 | </div> | 702 | </div> |
| 703 | <script> | 703 | <script> |
| 704 | ··function·mermaidLoaded()·{ | 704 | ··function·mermaidLoaded()·{ |
| 705 | ····mermaid.initialize({ | 705 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 273 | ······<p·class="built-using"> | 273 | ······<p·class="built-using"> |
| 274 | ········Built·using | 274 | ········Built·using |
| 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 277 | ······</p> | 277 | ······</p> |
| 278 | <p>Copyright·©·1996-202 | 278 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 279 | ····</footer> | 279 | ····</footer> |
| 280 | ··</div> | 280 | ··</div> |
| 281 | </main> | 281 | </main> |
| 282 | </div> | 282 | </div> |
| 283 | <script> | 283 | <script> |
| 284 | ··function·mermaidLoaded()·{ | 284 | ··function·mermaidLoaded()·{ |
| 285 | ····mermaid.initialize({ | 285 | ····mermaid.initialize({ |
| Offset 138, 31 lines modified | Offset 138, 31 lines modified | ||
| 138 | the·<a·href="configure_algos.html">Configuring·algorithms·in·SSH</a>·chapter.</p><h2·id="options-configuration"·class="section-heading"> | 138 | the·<a·href="configure_algos.html">Configuring·algorithms·in·SSH</a>·chapter.</p><h2·id="options-configuration"·class="section-heading"> |
| 139 | ··<a·href="#options-configuration"·class="hover-link"> | 139 | ··<a·href="#options-configuration"·class="hover-link"> |
| 140 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 140 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 141 | ··</a> | 141 | ··</a> |
| 142 | ··<span·class="text">Options·configuration</span> | 142 | ··<span·class="text">Options·configuration</span> |
| 143 | </h2> | 143 | </h2> |
| 144 | <p>There·are·from·OTP-23.0·two·main·ways·to·set·an·option:</p><ul><li><p>Like·before,·in·the·<code·class="inline">Options</code>·parameter·in·the·Erlang·code·in·a·call·to·for | 144 | <p>There·are·from·OTP-23.0·two·main·ways·to·set·an·option:</p><ul><li><p>Like·before,·in·the·<code·class="inline">Options</code>·parameter·in·the·Erlang·code·in·a·call·to·for |
| 145 | example·<a·href="ssh.html#daemon/3"><code·class="inline">ssh:daemon/3</code></a>·or·<a·href="ssh.html#connect/3"><code·class="inline">ssh:connect/3</code></a>·or·any·of·their·variants.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id="2 | 145 | example·<a·href="ssh.html#daemon/3"><code·class="inline">ssh:daemon/3</code></a>·or·<a·href="ssh.html#connect/3"><code·class="inline">ssh:connect/3</code></a>·or·any·of·their·variants.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id="2669839868-1">(</span><span·class="mi">22</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2669839868-2">[</span><span·class="p"·data-group-id="2669839868-3">{</span><span·class="ss">user</span><span·class="p">,</span><sp[·...·truncated·by·diffoscope;·len:·624,·SHA:·6375e8d645de1ab7889b1756ce111315bb827d97628fa3444295243323014773·...·]-1">{</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ssh</span><span·class="p">,</span><span·class="w"> |
| 146 | ·</span><span·class="p"·data-group-id=" | 146 | ·</span><span·class="p"·data-group-id="5446392818-2">[</span><span·class="p"·data-group-id="5446392818-3">{</span><span·class="ss">description</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"SSH-2·for·Erlang/OTP"</span><span·class="p"·data-group-id="5446392818-3">}</span><span·class="p">,</span><span·class="w"> |
| 147 | ··</span><span·class="p"·data-group-id=" | 147 | ··</span><span·class="p"·data-group-id="5446392818-4">{</span><span·class="ss">vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"4.9"</span><span·class="p"·data-group-id="5446392818-4">}</span><span·class="p">,</span><span·class="w"> |
| 148 | ··</span><span·class="p"·data-group-id=" | 148 | ··</span><span·class="p"·data-group-id="5446392818-5">{</span><span·class="ss">modules</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5446392818-6">[</span><span·class="ss">ssh</span><span·class="p">,</span><span·class="w"> |
| 149 | ········</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 149 | ········</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 150 | ·········</span><span·class="ss">ssh_xfer</span><span·class="p"·data-group-id=" | 150 | ·········</span><span·class="ss">ssh_xfer</span><span·class="p"·data-group-id="5446392818-6">]</span><span·class="p"·data-group-id="5446392818-5">}</span><span·class="p">,</span><span·class="w"> |
| 151 | ··</span><span·class="p"·data-group-id=" | 151 | ··</span><span·class="p"·data-group-id="5446392818-7">{</span><span·class="ss">registered</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5446392818-8">[</span><span·class="p"·data-group-id="5446392818-8">]</span><span·class="p"·data-group-id="5446392818-7">}</span><span·class="p">,</span><span·class="w"> |
| 152 | ··</span><span·class="p"·data-group-id=" | 152 | ··</span><span·class="p"·data-group-id="5446392818-9">{</span><span·class="ss">applications</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5446392818-10">[</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">s[·...·truncated·by·diffoscope;·len:·267,·SHA:·5e29803f124f849b5a36f53a131f4bba9f697f6fe241a4cd705843c624fff990·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 153 | ··</span><span·class="p"·data-group-id=" | 153 | ··</span><span·class="p"·data-group-id="5446392818-11">{</span><span·class="ss">env</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5446392818-12">[</span><span·class="p"·data-group-id="5446392818-13">{</span><span·class="ss">user</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·129,·SHA:·e2c30f23ee227483d6aaa6d0633e740b9dbde176f5fe334782432c4581c01bfa·...·]-13">}</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<·HERE</span><span·class="w"> |
| 154 | ··</span><span·class="p"·data-group-id=" | 154 | ··</span><span·class="p"·data-group-id="5446392818-14">{</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5446392818-15">{</span><span·class="ss">ssh_app</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·178,·SHA:·87b02b7818d289b86450f299144e4974c0695097d2cd54ea9bb48eb7767db7ee·...·]-14">}</span><span·class="p">,</span><span·class="w"> |
| 155 | ·······</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre></li><li><p>In·a·.config·file:</p><pre><code·class="text">erl·-config·ex1</code></pre><p>where·<code·class="inline">ex1.config</code>·contains:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7 | 155 | ·······</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre></li><li><p>In·a·.config·file:</p><pre><code·class="text">erl·-config·ex1</code></pre><p>where·<code·class="inline">ex1.config</code>·contains:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7947068962-1">[</span><span·class="w"> |
| 156 | </span><span·class="p"·data-group-id="7 | 156 | </span><span·class="p"·data-group-id="7947068962-2">{</span><span·class="ss">ssh</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7947068962-3">[</span><span·class="p"·data-group-id="7947068962-4">{</span><span·class="ss">user</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·207,·SHA:·e918d15c755a43613d2c45ca664d0f7efb7342854dde25f236917a2096a6ac6c·...·]-2">}</span><span·class="w"> |
| 157 | </span><span·class="p"·data-group-id="7 | 157 | </span><span·class="p"·data-group-id="7947068962-1">]</span><span·class="p">.</span></code></pre></li></ul><p>If·the·option·is·intended·only·for·a·server·or·for·a·client,·it·may·be·set·in |
| 158 | this·way:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 158 | this·way:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7734723862-1">[</span><span·class="w"> |
| 159 | </span><span·class="p"·data-group-id=" | 159 | </span><span·class="p"·data-group-id="7734723862-2">{</span><span·class="ss">ssh</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7734723862-3">[</span><span·class="p"·data-group-id="7734723862-4">{</span><span·class="ss">server_options</span><span·class="p"[·...·truncated·by·diffoscope;·len:·376,·SHA:·834cd542d083f1f5cf7dabbb78d660a2d3e5b8507104252adca9c0795913d23e·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 160 | ·······</span><span·class="p"·data-group-id=" | 160 | ·······</span><span·class="p"·data-group-id="7734723862-7">{</span><span·class="ss">client_options</span><span·class="p">,</span><span·class="p"·data-group-id="7734723862-8">[</span><span·class="p"·data-group-id="7734723862-9">{</span><span·class="ss">user</span><span·class="p">,</span><span·class="w[·...·truncated·by·diffoscope;·len:·195,·SHA:·d4f8ddc3261c24dc738acafa05d9f85b50ae9d027b85ae62e8d1f8f726b0799b·...·]-7">}</span><span·class="w"> |
| 161 | </span><span·class="p"·data-group-id=" | 161 | </span><span·class="p"·data-group-id="7734723862-3">]</span><span·class="p">.</span></code></pre><p>A·server·(daemon)·will·use·the·user·name·<code·class="inline">foo</code>,·and·a·client·will·use·the·name |
| 162 | <code·class="inline">bar</code>.</p></li></ul><h2·id="precedence"·class="section-heading"> | 162 | <code·class="inline">bar</code>.</p></li></ul><h2·id="precedence"·class="section-heading"> |
| 163 | ··<a·href="#precedence"·class="hover-link"> | 163 | ··<a·href="#precedence"·class="hover-link"> |
| 164 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 164 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 165 | ··</a> | 165 | ··</a> |
| 166 | ··<span·class="text">Precedence</span> | 166 | ··<span·class="text">Precedence</span> |
| 167 | </h2> | 167 | </h2> |
| 168 | <p>If·an·option·is·set·in·more·than·one·way,·what·happens?</p><p>There·is·an·ordering,·which·is:</p><ul><li>Level·0:·Hard-coded·default·values·in·the·OTP·SSH·source·code</li><li>Level·1:·<a·href="../../../../lib/kernel-10.2.3/doc/html/config.html">OTP·Configuration·Parameters</a></li><li>Level·2:·Options·in·the·<a·href="../../../../lib/kernel-10.2.3/doc/html/config.html">OTP·Configuration·Parameters</a> | 168 | <p>If·an·option·is·set·in·more·than·one·way,·what·happens?</p><p>There·is·an·ordering,·which·is:</p><ul><li>Level·0:·Hard-coded·default·values·in·the·OTP·SSH·source·code</li><li>Level·1:·<a·href="../../../../lib/kernel-10.2.3/doc/html/config.html">OTP·Configuration·Parameters</a></li><li>Level·2:·Options·in·the·<a·href="../../../../lib/kernel-10.2.3/doc/html/config.html">OTP·Configuration·Parameters</a> |
| Offset 225, 96 lines modified | Offset 225, 96 lines modified | ||
| 225 | ··························'aes192-cbc','aes128-cbc','3des-cbc']}]}, | 225 | ··························'aes192-cbc','aes128-cbc','3des-cbc']}]}, |
| 226 | ·{mac,[{client2server,['hmac-sha2-256','hmac-sha2-512', | 226 | ·{mac,[{client2server,['hmac-sha2-256','hmac-sha2-512', |
| 227 | ·······················'hmac-sha1']}, | 227 | ·······················'hmac-sha1']}, |
| 228 | ·······{server2client,['hmac-sha2-256','hmac-sha2-512', | 228 | ·······{server2client,['hmac-sha2-256','hmac-sha2-512', |
| 229 | ·······················'hmac-sha1']}]}, | 229 | ·······················'hmac-sha1']}]}, |
| 230 | ·{compression,[{client2server,[none,'zlib@openssh.com',zlib]}, | 230 | ·{compression,[{client2server,[none,'zlib@openssh.com',zlib]}, |
| 231 | ···············{server2client,[none,'zlib@openssh.com',zlib]}]}]</code></pre><p>Note·that·the·algorithms·in·the·file·<code·class="inline">ex2.config</code>·is·not·yet·applied.·They·will | 231 | ···············{server2client,[none,'zlib@openssh.com',zlib]}]}]</code></pre><p>Note·that·the·algorithms·in·the·file·<code·class="inline">ex2.config</code>·is·not·yet·applied.·They·will |
| 232 | be·when·we·start·ssh:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 232 | be·when·we·start·ssh:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="9645739190-1">(</span><span·class="p"·data-group-id="9645739190-1">)</span><span·class="p">.</span><span·class="w"> |
| 233 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 233 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 234 | 3>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">default_algorithms</span><span·class="p"·data-group-id=" | 234 | 3>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">default_algorithms</span><span·class="p"·data-group-id="9645739190-2">(</span><span·class="p"·data-group-id="9645739190-2">)</span><span·class="p">.</span><span·class="w"> |
| 235 | </span><span·class="p"·data-group-id=" | 235 | </span><span·class="p"·data-group-id="9645739190-3">[</span><span·class="p"·data-group-id="9645739190-4">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="p"·data-group-id="9645739190-5">[</span><span·class="ss">'ecdh-sha2-nistp384'</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·69,·SHA:·655e7ef6e2da6bc54fdfd406789fcb2a4fb5e752f829074f02398ccb30feb461·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 236 | ·</span><span·class="p"·data-group-id=" | 236 | ·</span><span·class="p"·data-group-id="9645739190-6">{</span><span·class="ss">public_key</span><span·class="p">,</span><span·class="p"·data-group-id="9645739190-7">[</span><span·class="ss">'ssh-rsa'</span><span·class="p"·data-group-id="9645739190-7">]</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·c7c07e38bd56c92268d369f7200d11cc30f720081ff1b61800ec591e166b7af6·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 237 | ·</span><span·class="p"·data-group-id=" | 237 | ·</span><span·class="p"·data-group-id="9645739190-8">{</span><span·class="ss">cipher</span><span·class="p">,</span><span·class="p"·data-group-id="9645739190-9">[</span><span·class="p"·data-group-id="9645739190-10">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class=[·...·truncated·by·diffoscope;·len:·181,·SHA:·3d9d913d727804889041321b8defd87209c87f805a4244f5d6458c56cd485900·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 238 | ··········</span><span·class="p"·data-group-id=" | 238 | ··········</span><span·class="p"·data-group-id="9645739190-12">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="9645739190-13">[</span><span·class="ss">'aes192-ctr'</span><span·class="p"·data-group-id="9645739190-13">]</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·128,·SHA:·f21fceb7eb0279907e277e30e26f3f95095a77f6672c7cbf5162fde940599b47·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 239 | ·</span><span·class="p"·data-group-id=" | 239 | ·</span><span·class="p"·data-group-id="9645739190-14">{</span><span·class="ss">mac</span><span·class="p">,</span><span·class="p"·data-group-id="9645739190-15">[</span><span·class="p"·data-group-id="9645739190-16">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·179,·SHA:·8ac9ac05739b72d26ed2c834d015f814e1de8dcad1943ae7414e40e9768ede39·...·]-16">}</span><span·class="p">,</span><span·class="w"> |
| 240 | ·······</span><span·class="p"·data-group-id="0318762742-18">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="0318762742-19">[</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="0318762742-19">]</span><span·class="p"·data-group-id="0318762742-18">}</span><span·class="p"·data-group-id="0318762742-15">]</span><span·class="p"·data-group-id="0318762742-14">}</span><span·class="p">,</span><span·class="w"> | ||
| 241 | ·</span><span·class="p"·data-group-id="0318762742-20">{</span><span·class="ss">compression</span><span·class="p">,</span><span·class="p"·data-group-id="0318762742-21">[</span><span·class="p"·data-group-id="0318762742-22">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="p"·data-group-id="0318762742-23">[</span><span·class="ss">none</span><span·class="p">,</span><span·class="ss">'zlib@openssh.com'</span><span·class="p">,</span><span·class="ss">zlib</span><span·class="p"·data-group-id="0318762742-23">]</span><span·class="p"·data-group-id="0318762742-22">}</span><span·class="p">,</span><span·class="w"> | ||
| 242 | ······· | 240 | ·······</span><span·class="p"·data-group-id="9645739190-18">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="9645739190-19">[</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="964573[·...·truncated·by·diffoscope;·len:·196,·SHA:·75cbb5bed802eb1ac6fe8cd40f44182090a130789cd3384426b5830268cee4ed·...·]</span><span·class="w"> |
| 241 | ·</span><span·class="p"·data-group-id="9645739190-20">{</span><span·class="ss">compression</span><span·class="p">,</span><span·class="p"·data-group-id="9645739190-21">[</span><span·class="p"·data-group-id="9645739190-22">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="p"·data-group-id="9645739190-23">[</span><span·class="ss">none</span><span·class="p">,</span><span·class="ss">'zlib@openssh.com'</span><span·class="p">,</span><span·class="ss">zlib</span><span·class="p"·data-group-id="9645739190-23">]</span><span·class="p"·data-group-id="9645739190-22">}</span><span·class="p">,</span><span·class="w"> | ||
| 242 | ···············</span><span·class="p"·data-group-id="9645739190-24">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="9645739190-25">[</span><span·class="ss">none</span><span·class="p">,</span><span·class="ss">'zlib@openssh.com'</span><span·class="p">,</span><span·class="ss">zlib</span><span·class="p"·data-group-id="9645739190-25">]</span><span·class="p"·data-group-id="9645739190-24">}</span><span·class="p"·data-group-id="9645739190-21">]</span><span·class="p"·data-group-id="9645739190-20">}</span><span·class="p"·data-group-id="9645739190-3">]</span><span·class="w"> | ||
| 243 | </span><span·class="mi">4</span><span·class="o">></span></code></pre><p>We·see·that·the·algorithm·set·is·changed·to·the·one·in·the·<code·class="inline">ex2.config</code>.·Since | 243 | </span><span·class="mi">4</span><span·class="o">></span></code></pre><p>We·see·that·the·algorithm·set·is·changed·to·the·one·in·the·<code·class="inline">ex2.config</code>.·Since |
| 244 | <code·class="inline">compression</code>·is·not·specified·in·the·file,·the·hard-coded·default·is·still·used | 244 | <code·class="inline">compression</code>·is·not·specified·in·the·file,·the·hard-coded·default·is·still·used |
| 245 | for·that·entry.</p><h4>Establishing·a·connection·(ssh:connect·et·al)·or·starting·a·daemon·(ssh:daemon)</h4><p>Both·when·the·client·establishes·a·connection·with·ssh:connect·or·other | 245 | for·that·entry.</p><h4>Establishing·a·connection·(ssh:connect·et·al)·or·starting·a·daemon·(ssh:daemon)</h4><p>Both·when·the·client·establishes·a·connection·with·ssh:connect·or·other |
| 246 | functions,·or·a·daemon·is·started·with·ssh:daemon,·the·option·lists·in·the | 246 | functions,·or·a·daemon·is·started·with·ssh:daemon,·the·option·lists·in·the |
| 247 | function·calls·are·also·used.</p><p>If·a·client·is·started·(ssh:connect·et·al),·the·environment·variable | 247 | function·calls·are·also·used.</p><p>If·a·client·is·started·(ssh:connect·et·al),·the·environment·variable |
| 248 | <code·class="inline">client_options</code>·is·used.·Similarly·for·a·daemon·the·<code·class="inline">server_options</code>·variable | 248 | <code·class="inline">client_options</code>·is·used.·Similarly·for·a·daemon·the·<code·class="inline">server_options</code>·variable |
| 249 | is·handled.</p><p>If·any·<a·href="ssh.html#t:preferred_algorithms_common_option/0">preferred_algorithms</a>·is | 249 | is·handled.</p><p>If·any·<a·href="ssh.html#t:preferred_algorithms_common_option/0">preferred_algorithms</a>·is |
| 250 | present,·the·one·with·the·highest·level·is·used,·that·is,·the·<code·class="inline">Option</code>·list | 250 | present,·the·one·with·the·highest·level·is·used,·that·is,·the·<code·class="inline">Option</code>·list |
| 251 | parameter·has·the·highest·priority.·Then·the | 251 | parameter·has·the·highest·priority.·Then·the |
| 252 | <a·href="ssh.html#t:modify_algorithms_common_option/0">modify_algorithms</a>·on·all·levels·in | 252 | <a·href="ssh.html#t:modify_algorithms_common_option/0">modify_algorithms</a>·on·all·levels·in |
| 253 | order·starting·with·level·0·are·applied.</p><p>We·continue·the·example·above·by·connecting·to·a·server·and·modifying·the·<code·class="inline">kex</code> | 253 | order·starting·with·level·0·are·applied.</p><p>We·continue·the·example·above·by·connecting·to·a·server·and·modifying·the·<code·class="inline">kex</code> |
| 254 | algorithm·set.·We·remove·the·only·one·(<code·class="inline">'ecdh-sha2-nistp384'</code>)·and·add | 254 | algorithm·set.·We·remove·the·only·one·(<code·class="inline">'ecdh-sha2-nistp384'</code>)·and·add |
| 255 | <code·class="inline">'curve25519-sha256@libssh.org'</code>·by·appending·it·to·the·now·empty·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="p"·data-group-id=" | 255 | <code·class="inline">'curve25519-sha256@libssh.org'</code>·by·appending·it·to·the·now·empty·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="p"·data-group-id="0189045955-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">C</span><span·class="p"·data-group-id="0189045955-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ssh</span><span·cl[·...·truncated·by·diffoscope;·len:·88,·SHA:·a28afaba550a6853295bb1475c3677a42eeae5c570379e51ea04bd52fb46be66·...·]-2">(</span><span·class="ss">loopback</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">22</span><span·class="p">,</span><span·class="w"> |
| 256 | ························</span><span·class="p"·data-group-id=" | 256 | ························</span><span·class="p"·data-group-id="0189045955-3">[</span><span·class="p"·data-group-id="0189045955-4">{</span><span·class="ss">modify_algorithms</span><span·class="p">,</span><span·class="w"> |
| 257 | ·································</span><span·class="p"·data-group-id=" | 257 | ·································</span><span·class="p"·data-group-id="0189045955-5">[</span><span·class="p"·data-group-id="0189045955-6">{</span><span·class="ss">rm</span><span·class="p">,</span><span·class="w"> |
| 258 | ·····································</span><span·class="p"·data-group-id=" | 258 | ·····································</span><span·class="p"·data-group-id="0189045955-7">[</span><span·class="w">·</span><span·class="p"·data-group-id="0189045955-8">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="p"·data-group-id="0189045955-9">[</span><span·class="ss">'ecdh-sha2-nistp384'</span><[·...·truncated·by·diffoscope;·len:·170,·SHA:·63747d4c07f3f00a7d08c93dbf0c8efd05610f0920e035e5af90faf47f989a2a·...·]-7">]</span><span·class="w"> |
| 259 | » » » » ··</span><span·class="p"·data-group-id=" | 259 | » » » » ··</span><span·class="p"·data-group-id="0189045955-6">}</span><span·class="p">,</span><span·class="w"> |
| 260 | ··································</span><span·class="p"·data-group-id=" | 260 | ··································</span><span·class="p"·data-group-id="0189045955-10">{</span><span·class="ss">append</span><span·class="p">,</span><span·class="w"> |
| 261 | » » » ·············</span><span·class="p"·data-group-id=" | 261 | » » » ·············</span><span·class="p"·data-group-id="0189045955-11">[</span><span·class="w">·</span><span·class="p"·data-group-id="0189045955-12">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="p"·data-group-id="0189045955-13">[</span><span·class="ss">'curve25519-sha256@libssh.org[·...·truncated·by·diffoscope;·len:·185,·SHA:·09347d42a6d38e87a4d39f9471bca3a0117ca0c7b7cc2c8441d219ae8ae29686·...·]-11">]</span><span·class="w"> |
| 262 | » » » » ··</span><span·class="p"·data-group-id=" | 262 | » » » » ··</span><span·class="p"·data-group-id="0189045955-10">}</span><span·class="w"> |
| 263 | » » » » ·</span><span·class="p"·data-group-id=" | 263 | » » » » ·</span><span·class="p"·data-group-id="0189045955-5">]</span><span·class="w"> |
| 264 | » ·················</span><span·class="p"·data-group-id=" | 264 | » ·················</span><span·class="p"·data-group-id="0189045955-4">}</span><span·class="w"> |
| 265 | ························</span><span·class="p"·data-group-id=" | 265 | ························</span><span·class="p"·data-group-id="0189045955-3">]</span><span·class="p"·data-group-id="0189045955-2">)</span><span·class="p">.</span><span·class="w"> |
| 266 | </span><span·class="p"·data-group-id=" | 266 | </span><span·class="p"·data-group-id="0189045955-14">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o">></span><span·class="mf">0.118</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="0189045955-14">}</span></code></pre><p>We·check·which·algorithms·are·negotiated·by·the·client·and·the·server,·and·note |
| 267 | that·the·(only)·<code·class="inline">kex</code>·algorithm·<code·class="inline">'curve25519-sha256@libssh.org'</code>·was·selected:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">connection_info</span><span·class="p"·data-group-id=" | 267 | that·the·(only)·<code·class="inline">kex</code>·algorithm·<code·class="inline">'curve25519-sha256@libssh.org'</code>·was·selected:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">connection_info</span><span·class="p"·data-group-id="4216406852-1">(</span><span·class="n">C</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">algorithms</span><span·class="p"·data-group-id="4216406852-1">)</span><span·class="p">.</span><span·class="w"> |
| 268 | </span><span·class="p"·data-group-id=" | 268 | </span><span·class="p"·data-group-id="4216406852-2">{</span><span·class="ss">algorithms</span><span·class="p">,</span><span·class="p"·data-group-id="4216406852-3">[</span><span·class="p"·data-group-id="4216406852-4">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="ss">&#[·...·truncated·by·diffoscope;·len:·84,·SHA:·293e83b92109c8bcaec7c0e3c2d7ab0f0966b046647019e065a2e63cf0a82a74·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 269 | ·············</span><span·class="p"·data-group-id=" | 269 | ·············</span><span·class="p"·data-group-id="4216406852-5">{</span><span·class="ss">hkey</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p"·data-group-id="4216406852-5">}</span><span·class="p">,</span><span·class="w"> |
| 270 | ·············</span><span·class="p"·data-group-id=" | 270 | ·············</span><span·class="p"·data-group-id="4216406852-6">{</span><span·class="ss">send_mac</span><span·class="p">,</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="4216406852-6">}</span><span·class="p">,</span><span·class="w"> |
| 271 | ·············</span><span·class="p"·data-group-id=" | 271 | ·············</span><span·class="p"·data-group-id="4216406852-7">{</span><span·class="ss">recv_mac</span><span·class="p">,</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="4216406852-7">}</span><span·class="p">,</span><span·class="w"> |
| 272 | ·············</span><span·class="p"·data-group-id=" | 272 | ·············</span><span·class="p"·data-group-id="4216406852-8">{</span><span·class="ss">encrypt</span><span·class="p">,</span><span·class="ss">'aes192-ctr'</span><span·class="p"·data-group-id="4216406852-8">}</span><span·class="p">,</span><span·class="w"> |
| 273 | ·············</span><span·class="p"·data-group-id=" | 273 | ·············</span><span·class="p"·data-group-id="4216406852-9">{</span><span·class="ss">decrypt</span><span·class="p">,</span><span·class="ss">'aes192-ctr'</span><span·class="p"·data-group-id="4216406852-9">}</span><span·class="p">,</span><span·class="w"> |
| 274 | ·············</span><span·class="p"·data-group-id=" | 274 | ·············</span><span·class="p"·data-group-id="4216406852-10">{</span><span·class="ss">compress</span><span·class="p">,</span><span·class="ss">none</span><span·class="p"·data-group-id="4216406852-10">}</span><span·class="p">,</span><span·class="w"> |
| 275 | ·············</span><span·class="p"·data-group-id=" | 275 | ·············</span><span·class="p"·data-group-id="4216406852-11">{</span><span·class="ss">decompress</span><span·class="p">,</span><span·class="ss">none</span><span·class="p"·data-group-id="4216406852-11">}</span><span·class="p">,</span><span·class="w"> |
| 276 | ·············</span><span·class="p"·data-group-id=" | 276 | ·············</span><span·class="p"·data-group-id="4216406852-12">{</span><span·class="ss">send_ext_info</span><span·class="p">,</span><span·class="ss">false</span><span·class="p"·data-group-id="4216406852-12">}</span><span·class="p">,</span><span·class="w"> |
| 277 | ·············</span><span·class="p"·data-group-id=" | 277 | ·············</span><span·class="p"·data-group-id="4216406852-13">{</span><span·class="ss">recv_ext_info</span><span·class="p">,</span><span·class="ss">true</span><span·class="p"·data-group-id="4216406852-13">}</span><span·class="p"·data-group-id="4216406852-3">]</span><span·class="p"·data-group-id="421640[·...·truncated·by·diffoscope;·len:·4,·SHA:·3fcda963bdda4c3e09f0410c43cedde418f7bf7c42b03e98cb1d603c8a433306·...·]-2">}</span></code></pre><h4>Example·of·modify_algorithms·handling</h4><p>We·will·now·check·if·the |
| 278 | <a·href="ssh.html#t:modify_algorithms_common_option/0">modify_algorithms</a>·on·a·lower·level | 278 | <a·href="ssh.html#t:modify_algorithms_common_option/0">modify_algorithms</a>·on·a·lower·level |
| 279 | is·applied·to·a | 279 | is·applied·to·a |
| 280 | <a·href="ssh.html#t:preferred_algorithms_common_option/0">preferred_algorithms</a>·on·a·higher | 280 | <a·href="ssh.html#t:preferred_algorithms_common_option/0">preferred_algorithms</a>·on·a·higher |
| 281 | level.·We·will·do·that·by·enabling·the·<code·class="inline">ssh-dss</code>·algorithm·that·is·supported, | 281 | level.·We·will·do·that·by·enabling·the·<code·class="inline">ssh-dss</code>·algorithm·that·is·supported, |
| 282 | but·not·in·the·default·set.</p><p>The·config·file·<code·class="inline">ex3.config</code>·has·the·contents:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 282 | but·not·in·the·default·set.</p><p>The·config·file·<code·class="inline">ex3.config</code>·has·the·contents:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8459284862-1">[</span><span·class="w"> |
| 283 | ·</span><span·class="p"·data-group-id=" | 283 | ·</span><span·class="p"·data-group-id="8459284862-2">{</span><span·class="ss">ssh</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8459284862-3">[</span><span·class="p"·data-group-id="8459284862-4">{</span><span·class="ss">modify_algorithms</span><span·class="p">,</span><span·class="w"> |
| 284 | ·········</span><span·class="p"·data-group-id=" | 284 | ·········</span><span·class="p"·data-group-id="8459284862-5">[</span><span·class="w">·</span><span·class="p"·data-group-id="8459284862-6">{</span><span·class="ss">prepend</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8459284862-7">[</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·481,·SHA:·fbbf22d9325a1ff98a150a2a49dee73756b848bf3b58bede8ed52842a3e2bc9d·...·]-5">]</span><span·class="w"> |
| 285 | ········</span><span·class="p"·data-group-id=" | 285 | ········</span><span·class="p"·data-group-id="8459284862-4">}</span><span·class="p"·data-group-id="8459284862-3">]</span><span·class="p"·data-group-id="8459284862-2">}</span><span·class="w"> |
| 286 | </span><span·class="p"·data-group-id=" | 286 | </span><span·class="p"·data-group-id="8459284862-1">]</span><span·class="p">.</span></code></pre><p>A·newly·started·erlang·shell·shows·that·no·<code·class="inline">'ssh-dss'</code>·is·present·in·the |
| 287 | <code·class="inline">public_key</code>·entry:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 287 | <code·class="inline">public_key</code>·entry:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="7201545957-1">(</span><span·class="ss">public_key</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">default_algorithms</span><span·class="p"·data-group-id="7201545957-2">(</span><span·[·...·truncated·by·diffoscope;·len:·88,·SHA:·1fcd504b53568a3a9a73aa2c21d01879c04c0deb10b80f07a951f2531f7f9d72·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 288 | </span><span·class="p"·data-group-id=" | 288 | </span><span·class="p"·data-group-id="7201545957-3">[</span><span·class="ss">'ecdsa-sha2-nistp384'</span><span·class="p">,</span><span·class="ss">'ecdsa-sha2-nistp521'</span><span·class="p">,</span><span·class="w"> |
| 289 | ·</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-ed25519'</span><span·class="p">,</span><span·class="ss">'ssh-ed448'</span><span·class="p">,</span><span·class="w"> | 289 | ·</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-ed25519'</span><span·class="p">,</span><span·class="ss">'ssh-ed448'</span><span·class="p">,</span><span·class="w"> |
| 290 | ·</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p"·data-group-id=" | 290 | ·</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p"·data-group-id="7201545957-3">]</span><span·class="w"> |
| 291 | </span><span·class="mi">2</span><span·class="o">></span></code></pre><p>A·call·to·<a·href="ssh.html#connect/3"><code·class="inline">ssh:connect/3</code></a>·removes·all·algorithms·but·one·of·each·type:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 291 | </span><span·class="mi">2</span><span·class="o">></span></code></pre><p>A·call·to·<a·href="ssh.html#connect/3"><code·class="inline">ssh:connect/3</code></a>·removes·all·algorithms·but·one·of·each·type:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="2518427035-1">(</span><span·class="p"·data-group-id="2518427035-1">)</span><span·class="p">.</span><span·class="w"> |
| 292 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 292 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 293 | 3>·</span><span·class="p"·data-group-id=" | 293 | 3>·</span><span·class="p"·data-group-id="2518427035-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">C</span><span·class="p"·data-group-id="2518427035-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ssh</span><span·cl[·...·truncated·by·diffoscope;·len:·88,·SHA:·3102e236542524bc13c975aee46f310f3867949dfa87484f05514083b4faaddd·...·]-3">(</span><span·class="ss">loopback</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">22</span><span·class="p">,</span><span·class="w"> |
| 294 | ························</span><span·class="p"·data-group-id=" | 294 | ························</span><span·class="p"·data-group-id="2518427035-4">[</span><span·class="p"·data-group-id="2518427035-5">{</span><span·class="ss">preferred_algorithms</span><span·class="p">,</span><span·class="w"> |
| 295 | ·························</span><span·class="p"·data-group-id=" | 295 | ·························</span><span·class="p"·data-group-id="2518427035-6">[</span><span·class="p"·data-group-id="2518427035-7">{</span><span·class="ss">public_key</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2518427035-8">[</span><span·class="ss">'ecdsa-sha2-nistp256'[·...·truncated·by·diffoscope;·len:·101,·SHA:·f8bf2c1a789aef8a0c3a7392ad9503b70668f634331fd3c454f718c25d44445a·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 296 | » » » ··</span><span·class="p"·data-group-id=" | 296 | » » » ··</span><span·class="p"·data-group-id="2518427035-9">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2518427035-10">[</span><span·class="ss">'ecdh-sha2-nistp256'</span><span·class="p"·data-group-id="2518427035-10">]</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·7cb8f110cdef590c6adb18acbbfc211a1369cecc045e5e2011fe7cd5e4fd09da·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 297 | » » ··········</span><span·class="p"·data-group-id=" | 297 | » » ··········</span><span·class="p"·data-group-id="2518427035-11">{</span><span·class="ss">cipher</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2518427035-12">[</span><span·class="ss">'chacha20-poly1305@openssh.com'</span><span·class="p"·data-group-id="2518427[·...·truncated·by·diffoscope;·len:·57,·SHA:·a263f0a131ed723474467927857b96f24e8b298c5c28e09dfacd9f7dd6fbd6fc·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 298 | » » » ··</span><span·class="p"·data-group-id=" | 298 | » » » ··</span><span·class="p"·data-group-id="2518427035-13">{</span><span·class="ss">mac</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2518427035-14">[</span><span·class="ss">'hmac-sha2-256'</span><span·class="p"·data-group-id="2518427035-14">]</span><sp[·...·truncated·by·diffoscope;·len:·38,·SHA:·4e882266b38979eb1c525d98f7e61313417ef7f0414de9aeb50f79ffd809a9db·...·]-13">}</span><span·class="p">,</span><span·class="w"> |
| 299 | » » » ··</span><span·class="p"·data-group-id=" | 299 | » » » ··</span><span·class="p"·data-group-id="2518427035-15">{</span><span·class="ss">compression</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2518427035-16">[</span><span·class="ss">none</span><span·class="p"·data-group-id="2518427035-16">]</span><span·class="p[·...·truncated·by·diffoscope;·len:·27,·SHA:·6a9ba21eced17e083201852b6f6ea36baef652b5da9bd90b475b287736346eee·...·]-15">}</span><span·class="w"> |
| 300 | » » » ··</span><span·class="p"·data-group-id=" | 300 | » » » ··</span><span·class="p"·data-group-id="2518427035-6">]</span><span·class="p"·data-group-id="2518427035-5">}</span><span·class="w"> |
| 301 | » » » ·</span><span·class="p"·data-group-id=" | 301 | » » » ·</span><span·class="p"·data-group-id="2518427035-4">]</span><span·class="p"·data-group-id="2518427035-3">)</span><span·class="p">.</span><span·class="w"> |
| 302 | </span><span·class="p"·data-group-id=" | 302 | </span><span·class="p"·data-group-id="2518427035-17">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.101</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="2518427035-17">}</span><span·class="gp·unselectable"> |
| 303 | 4>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">connection_info</span><span·class="p"·data-group-id=" | 303 | 4>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">connection_info</span><span·class="p"·data-group-id="2518427035-18">(</span><span·class="n">C</span><span·class="p">,</span><span·class="ss">algorithms</span><span·class="p"·data-group-id="2518427035-18">)</span><span·class="p">.</span><span·class="w"> |
| 304 | </span><span·class="p"·data-group-id=" | 304 | </span><span·class="p"·data-group-id="2518427035-19">{</span><span·class="ss">algorithms</span><span·class="p">,</span><span·class="p"·data-group-id="2518427035-20">[</span><span·class="p"·data-group-id="2518427035-21">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="ss"[·...·truncated·by·diffoscope;·len:·77,·SHA:·46fdb7ed2765786ef22995b68221e2d5dd2062736149f7d41fbfd931a79b5335·...·]-21">}</span><span·class="p">,</span><span·class="w"> |
| 305 | ·············</span><span·class="p"·data-group-id=" | 305 | ·············</span><span·class="p"·data-group-id="2518427035-22">{</span><span·class="ss">hkey</span><span·class="p">,</span><span·class="ss">'ssh-dss'</span><span·class="p"·data-group-id="2518427035-22">}</span><span·class="p">,</span><span·class="w"> |
| 306 | ·············</span><span·class="p"·data-group-id=" | 306 | ·············</span><span·class="p"·data-group-id="2518427035-23">{</span><span·class="ss">send_mac</span><span·class="p">,</span><span·class="ss">'chacha20-poly1305@openssh.com'</span><span·class="p"·data-group-id="2518427035-23">}</span><span·class="p">,</span><span·class="w"> |
| 307 | ·············</span><span·class="p"·data-group-id=" | 307 | ·············</span><span·class="p"·data-group-id="2518427035-24">{</span><span·class="ss">recv_mac</span><span·class="p">,</span><span·class="ss">'chacha20-poly1305@openssh.com'</span><span·class="p"·data-group-id="2518427035-24">}</span><span·class="p">,</span><span·class="w"> |
| 308 | ·············</span><span·class="p"·data-group-id=" | 308 | ·············</span><span·class="p"·data-group-id="2518427035-25">{</span><span·class="ss">encrypt</span><span·class="p">,</span><span·class="ss">'chacha20-poly1305@openssh.com'</span><span·class="p"·data-group-id="2518427035-25">}</span><span·class="p">,</span><span·class="w"> |
| 309 | ·············</span><span·class="p"·data-group-id=" | 309 | ·············</span><span·class="p"·data-group-id="2518427035-26">{</span><span·class="ss">decrypt</span><span·class="p">,</span><span·class="ss">'chacha20-poly1305@openssh.com'</span><span·class="p"·data-group-id="2518427035-26">}</span><span·class="p">,</span><span·class="w"> |
| 310 | ·············</span><span·class="p"·data-group-id=" | 310 | ·············</span><span·class="p"·data-group-id="2518427035-27">{</span><span·class="ss">compress</span><span·class="p">,</span><span·class="ss">none</span><span·class="p"·data-group-id="2518427035-27">}</span><span·class="p">,</span><span·class="w"> |
| 311 | ·············</span><span·class="p"·data-group-id=" | 311 | ·············</span><span·class="p"·data-group-id="2518427035-28">{</span><span·class="ss">decompress</span><span·class="p">,</span><span·class="ss">none</span><span·class="p"·data-group-id="2518427035-28">}</span><span·class="p">,</span><span·class="w"> |
| 312 | ·············</span><span·class="p"·data-group-id=" | 312 | ·············</span><span·class="p"·data-group-id="2518427035-29">{</span><span·class="ss">send_ext_info</span><span·class="p">,</span><span·class="ss">false</span><span·class="p"·data-group-id="2518427035-29">}</span><span·class="p">,</span><span·class="w"> |
| 313 | ·············</span><span·class="p"·data-group-id=" | 313 | ·············</span><span·class="p"·data-group-id="2518427035-30">{</span><span·class="ss">recv_ext_info</span><span·class="p">,</span><span·class="ss">true</span><span·class="p"·data-group-id="2518427035-30">}</span><span·class="p"·data-group-id="2518427035-20">]</span><span·class="p"·data-group-id="25184[·...·truncated·by·diffoscope;·len:·5,·SHA:·872e5cb3ffda8f4e2efb916bc3418fdfb9f69dc0c04dcf1789dafd37c886e9a3·...·]-19">}</span><span·class="w"> |
| 314 | </span><span·class="mi">5</span><span·class="o">></span></code></pre><p>But·<code·class="inline">'ssh-dss'</code>·is·selected·although·the·call·inserted·<em>only</em> | 314 | </span><span·class="mi">5</span><span·class="o">></span></code></pre><p>But·<code·class="inline">'ssh-dss'</code>·is·selected·although·the·call·inserted·<em>only</em> |
| 315 | <code·class="inline">'ecdsa-sha2-nistp256'</code>·as·acceptable.</p><p>This·example·showed·that·we·could·augment·the·set·of·algorithms·with·a | 315 | <code·class="inline">'ecdsa-sha2-nistp256'</code>·as·acceptable.</p><p>This·example·showed·that·we·could·augment·the·set·of·algorithms·with·a |
| 316 | config-file·without·the·need·to·change·the·actual·call.</p><p>For·demonstration·purposes·we·used·<code·class="inline">prepend</code>·instead·of·<code·class="inline">append</code>.·This·forces | 316 | config-file·without·the·need·to·change·the·actual·call.</p><p>For·demonstration·purposes·we·used·<code·class="inline">prepend</code>·instead·of·<code·class="inline">append</code>.·This·forces |
| 317 | the·negotiation·to·select·<code·class="inline">ssh-dss</code>·since·the·the·full·list·of·public·key | 317 | the·negotiation·to·select·<code·class="inline">ssh-dss</code>·since·the·the·full·list·of·public·key |
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| 166 | ··</a> | 166 | ··</a> |
| 167 | ··<span·class="text">The·SSH·app's·mechanism</span> | 167 | ··<span·class="text">The·SSH·app's·mechanism</span> |
| 168 | </h3> | 168 | </h3> |
| 169 | <p>The·set·of·algorithms·that·the·SSH·app·uses·by·default·depends·on·the·algorithms | 169 | <p>The·set·of·algorithms·that·the·SSH·app·uses·by·default·depends·on·the·algorithms |
| 170 | supported·by·the:</p><ul><li><a·href="../../../../lib/crypto-5.5.3/doc/html/crypto.html"><code·class="inline">crypto</code></a>·app,</li><li>The·cryptolib·OTP·is·linked·with,·usually·the·one·the·OS·uses,·probably | 170 | supported·by·the:</p><ul><li><a·href="../../../../lib/crypto-5.5.3/doc/html/crypto.html"><code·class="inline">crypto</code></a>·app,</li><li>The·cryptolib·OTP·is·linked·with,·usually·the·one·the·OS·uses,·probably |
| 171 | OpenSSL,</li><li>and·finally·what·the·SSH·app·implements</li></ul><p>Due·to·this,·it·impossible·to·list·in·documentation·what·algorithms·that·are | 171 | OpenSSL,</li><li>and·finally·what·the·SSH·app·implements</li></ul><p>Due·to·this,·it·impossible·to·list·in·documentation·what·algorithms·that·are |
| 172 | available·in·a·certain·installation.</p><p>There·is·an·important·command·to·list·the·actual·algorithms·and·their·ordering: | 172 | available·in·a·certain·installation.</p><p>There·is·an·important·command·to·list·the·actual·algorithms·and·their·ordering: |
| 173 | <a·href="ssh.html#default_algorithms/0"><code·class="inline">ssh:default_algorithms/0</code></a>.</p><pre·id="example_default_algorithms"><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">0>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">default_algorithms</span><span·class="p"·data-group-id=" | 173 | <a·href="ssh.html#default_algorithms/0"><code·class="inline">ssh:default_algorithms/0</code></a>.</p><pre·id="example_default_algorithms"><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">0>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">default_algorithms</span><span·class="p"·data-group-id="4466022015-1">(</span><span·class="p"·data-group-id="4466022015-1">)</span><span·class="p">.</span><span·class="w"> |
| 174 | </span><span·class="p"·data-group-id=" | 174 | </span><span·class="p"·data-group-id="4466022015-2">[</span><span·class="p"·data-group-id="4466022015-3">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="p"·data-group-id="4466022015-4">[</span><span·class="ss">'ecdh-sha2-nistp384'</span><span·class="p">,</span><span·class="ss">'ecdh-sha2-nistp521'</span><span·class="p">,</span><span·class="w"> |
| 175 | ·······</span><span·class="ss">'ecdh-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'diffie-hellman-group-exchange-sha256'</span><span·class="p">,</span><span·class="w"> | 175 | ·······</span><span·class="ss">'ecdh-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'diffie-hellman-group-exchange-sha256'</span><span·class="p">,</span><span·class="w"> |
| 176 | ·······</span><span·class="ss">'diffie-hellman-group16-sha512'</span><span·class="p">,</span><span·class="w"> | 176 | ·······</span><span·class="ss">'diffie-hellman-group16-sha512'</span><span·class="p">,</span><span·class="w"> |
| 177 | ·······</span><span·class="ss">'diffie-hellman-group18-sha512'</span><span·class="p">,</span><span·class="w"> | 177 | ·······</span><span·class="ss">'diffie-hellman-group18-sha512'</span><span·class="p">,</span><span·class="w"> |
| 178 | ·······</span><span·class="ss">'diffie-hellman-group14-sha256'</span><span·class="p">,</span><span·class="w"> | 178 | ·······</span><span·class="ss">'diffie-hellman-group14-sha256'</span><span·class="p">,</span><span·class="w"> |
| 179 | ·······</span><span·class="ss">'diffie-hellman-group14-sha1'</span><span·class="p">,</span><span·class="w"> | 179 | ·······</span><span·class="ss">'diffie-hellman-group14-sha1'</span><span·class="p">,</span><span·class="w"> |
| 180 | ·······</span><span·class="ss">'diffie-hellman-group-exchange-sha1'</span><span·class="p"·data-group-id=" | 180 | ·······</span><span·class="ss">'diffie-hellman-group-exchange-sha1'</span><span·class="p"·data-group-id="4466022015-4">]</span><span·class="p"·data-group-id="4466022015-3">}</span><span·class="p">,</span><span·class="w"> |
| 181 | ·</span><span·class="p"·data-group-id=" | 181 | ·</span><span·class="p"·data-group-id="4466022015-5">{</span><span·class="ss">public_key</span><span·class="p">,</span><span·class="p"·data-group-id="4466022015-6">[</span><span·class="ss">'ecdsa-sha2-nistp384'</span><span·class="p">,</span><span·class="ss">'ecdsa-sha2-nistp521'</span><span·class="p">,</span><span·class="w"> |
| 182 | ··············</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="w"> | 182 | ··············</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="w"> |
| 183 | ··············</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-dss'</span><span·class="p"·data-group-id=" | 183 | ··············</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-dss'</span><span·class="p"·data-group-id="4466022015-6">]</span><span·class="p"·data-group-id="4466022015-5">}</span><span·class="p">,</span><span·class="w"> |
| 184 | ·</span><span·class="p"·data-group-id=" | 184 | ·</span><span·class="p"·data-group-id="4466022015-7">{</span><span·class="ss">cipher</span><span·class="p">,</span><span·class="p"·data-group-id="4466022015-8">[</span><span·class="p"·data-group-id="4466022015-9">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·28,·SHA:·4ef9c87aa482da92a01da9ca8c2b05a16e29dbb184d7246dd6d8312f4a0ff220·...·]-10">[</span><span·class="ss">'aes256-gcm@openssh.com'</span><span·class="p">,</span><span·class="w"> |
| 185 | ··························</span><span·class="ss">'aes256-ctr'</span><span·class="p">,</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="w"> | 185 | ··························</span><span·class="ss">'aes256-ctr'</span><span·class="p">,</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="w"> |
| 186 | ··························</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id=" | 186 | ··························</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id="4466022015-10">]</span><span·class="p"·data-group-id="4466022015-9">}</span><span·class="p">,</span><span·class="w"> |
| 187 | ··········</span><span·class="p"·data-group-id=" | 187 | ··········</span><span·class="p"·data-group-id="4466022015-11">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="4466022015-12">[</span><span·class="ss">'aes256-gcm@openssh.com'</span><span·class="p">,</span><span·class="ss">'aes256-ctr'</span><span·class="p">,</span><span·class="w"> |
| 188 | ··························</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="w"> | 188 | ··························</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="w"> |
| 189 | ··························</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id=" | 189 | ··························</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id="4466022015-12">]</span><span·class="p"·data-group-id="4466022015-11">}</span><span·class="p"·data-group-id="4466022015-8">]</span><span·class="p"·data-group-id="4466022015-7">}</span><span·class="p">,</span><span·class="w"> |
| 190 | ·</span><span·class="p"·data-group-id=" | 190 | ·</span><span·class="p"·data-group-id="4466022015-13">{</span><span·class="ss">mac</span><span·class="p">,</span><span·class="p"·data-group-id="4466022015-14">[</span><span·class="p"·data-group-id="4466022015-15">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·28,·SHA:·4ef9c87aa482da92a01da9ca8c2b05a16e29dbb184d7246dd6d8312f4a0ff220·...·]-16">[</span><span·class="ss">'hmac-sha2-256'</span><span·class="p">,</span><span·class="ss">'hmac-sha2-512'</span><span·class="p">,</span><span·class="w"> |
| 191 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id=" | 191 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="4466022015-16">]</span><span·class="p"·data-group-id="4466022015-15">}</span><span·class="p">,</span><span·class="w"> |
| 192 | ·······</span><span·class="p"·data-group-id=" | 192 | ·······</span><span·class="p"·data-group-id="4466022015-17">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="4466022015-18">[</span><span·class="ss">'hmac-sha2-256'</span><span·class="p">,</span><span·class="ss">'hmac-sha2-512'</span><span·class="p">,</span><span·class="w"> |
| 193 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id=" | 193 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="4466022015-18">]</span><span·class="p"·data-group-id="4466022015-17">}</span><span·class="p"·data-group-id="4466022015-14">]</span><span·class="p"·data-group-id="4466022015-13">}</span><span·class="p">,</span><span·class="w"> |
| 194 | ·</span><span·class="p"·data-group-id=" | 194 | ·</span><span·class="p"·data-group-id="4466022015-19">{</span><span·class="ss">compression</span><span·class="p">,</span><span·class="p"·data-group-id="4466022015-20">[</span><span·class="p"·data-group-id="4466022015-21">{</span><span·class="ss">client2server</span><span·class="p">,</span><span[·...·truncated·by·diffoscope;·len:·298,·SHA:·19572d55b403569872efb1ca9253a3e8c0fc5e6b091baceee30f497411524295·...·]-21">}</span><span·class="p">,</span><span·class="w"> |
| 195 | ···············</span><span·class="p"·data-group-id=" | 195 | ···············</span><span·class="p"·data-group-id="4466022015-23">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="4466022015-24">[</span><span·class="ss">none</span><span·class="p">,</span><span·class="ss">'zlib@openssh.com'</span><span·class="p">[·...·truncated·by·diffoscope;·len:·293,·SHA:·11f04866fe07330a7a1c8b58fe83004d1c42d79c416deb38b3ad368d7b416852·...·]-2">]</span></code></pre><p>To·change·the·algorithm·list,·there·are·two·options·which·can·be·used·in |
| 196 | <a·href="ssh.html#connect/3">ssh:connect/2,3,4</a>·and·<a·href="ssh.html#daemon/2">ssh:daemon/2,3</a>.·The | 196 | <a·href="ssh.html#connect/3">ssh:connect/2,3,4</a>·and·<a·href="ssh.html#daemon/2">ssh:daemon/2,3</a>.·The |
| 197 | options·could·of·course·be·used·in·all·other·functions·that·initiates | 197 | options·could·of·course·be·used·in·all·other·functions·that·initiates |
| 198 | connections.</p><p>The·options·are | 198 | connections.</p><p>The·options·are |
| 199 | <a·href="ssh.html#t:preferred_algorithms_common_option/0">preferred_algorithms</a>·and | 199 | <a·href="ssh.html#t:preferred_algorithms_common_option/0">preferred_algorithms</a>·and |
| 200 | <a·href="ssh.html#t:modify_algorithms_common_option/0">modify_algorithms</a>.·The·first·one | 200 | <a·href="ssh.html#t:modify_algorithms_common_option/0">modify_algorithms</a>.·The·first·one |
| 201 | replaces·the·default·set,·while·the·latter·modifies·the·default·set.</p><h2·id="replacing-the-default-set-preferred_algorithms"·class="section-heading"> | 201 | replaces·the·default·set,·while·the·latter·modifies·the·default·set.</p><h2·id="replacing-the-default-set-preferred_algorithms"·class="section-heading"> |
| 202 | ··<a·href="#replacing-the-default-set-preferred_algorithms"·class="hover-link"> | 202 | ··<a·href="#replacing-the-default-set-preferred_algorithms"·class="hover-link"> |
| Offset 211, 264 lines modified | Offset 211, 264 lines modified | ||
| 211 | friends·does.</p><h3·id="example-1"·class="section-heading"> | 211 | friends·does.</p><h3·id="example-1"·class="section-heading"> |
| 212 | ··<a·href="#example-1"·class="hover-link"> | 212 | ··<a·href="#example-1"·class="hover-link"> |
| 213 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 213 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 214 | ··</a> | 214 | ··</a> |
| 215 | ··<span·class="text">Example·1</span> | 215 | ··<span·class="text">Example·1</span> |
| 216 | </h3> | 216 | </h3> |
| 217 | <p>Replace·the·kex·algorithms·list·with·the·single·algorithm | 217 | <p>Replace·the·kex·algorithms·list·with·the·single·algorithm |
| 218 | <code·class="inline">'diffie-hellman-group14-sha256'</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">chk_algos_opts</span><span·class="p"·data-group-id=" | 218 | <code·class="inline">'diffie-hellman-group14-sha256'</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">chk_algos_opts</span><span·class="p"·data-group-id="1957132209-1">(</span><span·class="w"> |
| 219 | ···············</span><span·class="p"·data-group-id=" | 219 | ···············</span><span·class="p"·data-group-id="1957132209-2">[</span><span·class="p"·data-group-id="1957132209-3">{</span><span·class="ss">preferred_algorithms</span><span·class="p">,</span><span·class="w"> |
| 220 | ·····················</span><span·class="p"·data-group-id=" | 220 | ·····················</span><span·class="p"·data-group-id="1957132209-4">[</span><span·class="p"·data-group-id="1957132209-5">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1957132209-6">[</span><span·class="ss">'diffie-hellman-group14-sha256&#[·...·truncated·by·diffoscope;·len:·103,·SHA:·97c9abcf5a6c6dd060daab2ad467895a92fbc63b70df6f0d89196ebf33fd0ff1·...·]9-5">}</span><span·class="w"> |
| 221 | ·····················</span><span·class="p"·data-group-id=" | 221 | ·····················</span><span·class="p"·data-group-id="1957132209-4">]</span><span·class="w"> |
| 222 | ················</span><span·class="p"·data-group-id=" | 222 | ················</span><span·class="p"·data-group-id="1957132209-3">}</span><span·class="w"> |
| 223 | ··············</span><span·class="p"·data-group-id=" | 223 | ··············</span><span·class="p"·data-group-id="1957132209-2">]</span><span·class="p"·data-group-id="1957132209-1">)</span><span·class="p">.</span><span·class="w"> |
| 224 | </span><span·class="p"·data-group-id=" | 224 | </span><span·class="p"·data-group-id="1957132209-7">[</span><span·class="p"·data-group-id="1957132209-8">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="p"·data-group-id="1957132209-9">[</span><span·class="ss">'diffie-hellman-group14-sha256'</span><span·class="p[·...·truncated·by·diffoscope;·len:·79,·SHA:·bd73dd9a7adc91978984006b27e7a52487e6f40cdfa3bbba2e1696c4d89e69b9·...·]9-8">}</span><span·class="p">,</span><span·class="w"> |
| 225 | ·</span><span·class="p"·data-group-id=" | 225 | ·</span><span·class="p"·data-group-id="1957132209-10">{</span><span·class="ss">public_key</span><span·class="p">,</span><span·class="p"·data-group-id="1957132209-11">[</span><span·class="ss">'ecdsa-sha2-nistp384'</span><span·class="p">,</span><span·class="ss">'ecdsa-sha2-nistp521'</span><span·class="p">,</span><span·class="w"> |
| 226 | ··············</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="w"> | 226 | ··············</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="w"> |
| 227 | ··············</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-dss'</span><span·class="p"·data-group-id=" | 227 | ··············</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-dss'</span><span·class="p"·data-group-id="1957132209-11">]</span><span·class="p"·data-group-id="1957132209-10">}</span><span·class="p">,</span><span·class="w"> |
| 228 | ·</span><span·class="p"·data-group-id=" | 228 | ·</span><span·class="p"·data-group-id="1957132209-12">{</span><span·class="ss">cipher</span><span·class="p">,</span><span·class="p"·data-group-id="1957132209-13">[</span><span·class="p"·data-group-id="1957132209-14">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·clas[·...·truncated·by·diffoscope;·len:·30,·SHA:·b06850f9da847f86b88eaeff4e853b4caa6b142cb3e5a2dc546f070d9f6c8d08·...·]9-15">[</span><span·class="ss">'aes256-gcm@openssh.com'</span><span·class="p">,</span><span·class="w"> |
| 229 | ··························</span><span·class="ss">'aes256-ctr'</span><span·class="p">,</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="w"> | 229 | ··························</span><span·class="ss">'aes256-ctr'</span><span·class="p">,</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="w"> |
| 230 | ··························</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id=" | 230 | ··························</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id="1957132209-15">]</span><span·class="p"·data-group-id="1957132209-14">}</span><span·class="p">,</span><span·class="w"> |
| 231 | ··········</span><span·class="p"·data-group-id=" | 231 | ··········</span><span·class="p"·data-group-id="1957132209-16">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="1957132209-17">[</span><span·class="ss">'aes256-gcm@openssh.com'</span><span·class="p">,</span><span·class="ss">'aes256-ctr'</span><span·class="p">,</span><span·class="w"> |
| 232 | ··························</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="w"> | 232 | ··························</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="w"> |
| 233 | ··························</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id=" | 233 | ··························</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id="1957132209-17">]</span><span·class="p"·data-group-id="1957132209-16">}</span><span·class="p"·data-group-id="1957132209-13">]</span><span·class="p"·data-group-id="1957132209-12">}</span><span·class="p">,</span><span·class="w"> |
| 234 | ·</span><span·class="p"·data-group-id=" | 234 | ·</span><span·class="p"·data-group-id="1957132209-18">{</span><span·class="ss">mac</span><span·class="p">,</span><span·class="p"·data-group-id="1957132209-19">[</span><span·class="p"·data-group-id="1957132209-20">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·27,·SHA:·48c47bb858bfa56e6f4e3a2324aebd534bf18e70be48b2f5ecc30eb08017c318·...·]9-21">[</span><span·class="ss">'hmac-sha2-256'</span><span·class="p">,</span><span·class="ss">'hmac-sha2-512'</span><span·class="p">,</span><span·class="w"> |
| 235 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id=" | 235 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="1957132209-21">]</span><span·class="p"·data-group-id="1957132209-20">}</span><span·class="p">,</span><span·class="w"> |
| 236 | ·······</span><span·class="p"·data-group-id=" | 236 | ·······</span><span·class="p"·data-group-id="1957132209-22">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="1957132209-23">[</span><span·class="ss">'hmac-sha2-256'</span><span·class="p">,</span><span·class="ss">'hmac-sha2-512'</span><span·class="p">,</span><span·class="w"> |
| 237 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id=" | 237 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="1957132209-23">]</span><span·class="p"·data-group-id="1957132209-22">}</span><span·class="p"·data-group-id="1957132209-19">]</span><span·class="p"·data-group-id="1957132209-18">}</span><span·class="p">,</span><span·class="w"> |
| 238 | ·</span><span·class="p"·data-group-id="0749225049-24">{</span><span·class="ss">compression</span><span·class="p">,</span><span·class="p"·data-group-id="0749225049-25">[</span><span·class="p"·data-group-id="0749225049-26">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="p"·data-group-id="0749225049-27">[</span><span·class="ss">none</span><span·class="p">,</span><span·class="ss">'zlib@openssh.com'</span><span·class="p">,</span><span·class="ss">zlib</span><span·class="p"·data-group-id="0749225049-27">]</span><span·class="p"·data-group-id="0749225049-26">}</span><span·class="p">,</span><span·class="w"> | ||
| 239 | · | 238 | ·</span><span·class="p"·data-group-id="1957132209-24">{</span><span·class="ss">compression</span><span·class="p">,</span><span·class="p"·data-group-id="1957132209-25">[</span><span·class="p"·data-group-id="1957132209-26">{</span><span·class="ss">client2serv[·...·truncated·by·diffoscope;·len:·389,·SHA:·5bc896ddc614df80abce947727dd878fbae13c18c0ff22a4535f9a4ac4e5ba46·...·] |
| 239 | ···············</span><span·class="p"·data-group-id="1957132209-28">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="1957132209-29">[</span><span·class="ss">none</span><span·class="p">,</span><span·class="ss">'zlib@openssh.com'</span><span·class="p">,</span><span·class="ss">zlib</span><span·class="p"·data-group-id="1957132209-29">]</span><span·class="p"·data-group-id="1957132209-28">}</span><span·class="p"·data-group-id="1957132209-25">]</span><span·class="p"·data-group-id="1957132209-24">}</span><span·class="p"·data-group-id="1957132209-7">]</span></code></pre><p>Note·that·the·unmentioned·lists·(<code·class="inline">public_key</code>,·<code·class="inline">cipher</code>,·<code·class="inline">mac</code>·and | ||
| 240 | <code·class="inline">compression</code>)·are·unchanged.</p><h3·id="example-2"·class="section-heading"> | 240 | <code·class="inline">compression</code>)·are·unchanged.</p><h3·id="example-2"·class="section-heading"> |
| 241 | ··<a·href="#example-2"·class="hover-link"> | 241 | ··<a·href="#example-2"·class="hover-link"> |
| 242 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 242 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 243 | ··</a> | 243 | ··</a> |
| 244 | ··<span·class="text">Example·2</span> | 244 | ··<span·class="text">Example·2</span> |
| 245 | </h3> | 245 | </h3> |
| 246 | <p>In·the·lists·that·are·divided·in·two·for·the·two·directions·(for·example·<code·class="inline">cipher</code>)·it·is | 246 | <p>In·the·lists·that·are·divided·in·two·for·the·two·directions·(for·example·<code·class="inline">cipher</code>)·it·is |
| 247 | possible·to·change·both·directions·at·once:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">chk_algos_opts</span><span·class="p"·data-group-id=" | 247 | possible·to·change·both·directions·at·once:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">chk_algos_opts</span><span·class="p"·data-group-id="8730697441-1">(</span><span·class="w"> |
| 248 | ···············</span><span·class="p"·data-group-id=" | 248 | ···············</span><span·class="p"·data-group-id="8730697441-2">[</span><span·class="p"·data-group-id="8730697441-3">{</span><span·class="ss">preferred_algorithms</span><span·class="p">,</span><span·class="w"> |
| 249 | ·····················</span><span·class="p"·data-group-id=" | 249 | ·····················</span><span·class="p"·data-group-id="8730697441-4">[</span><span·class="p"·data-group-id="8730697441-5">{</span><span·class="ss">cipher</span><span·class="p">,</span><span·class="p"·data-group-id="8730697441-6">[</span><span·class="ss">'aes128-ctr'</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·64,·SHA:·365c1f553654db36b3a2e4beb2b33cca491403453105b907470678885cd56433·...·]-5">}</span><span·class="w"> |
| 250 | ·····················</span><span·class="p"·data-group-id=" | 250 | ·····················</span><span·class="p"·data-group-id="8730697441-4">]</span><span·class="w"> |
| 251 | ················</span><span·class="p"·data-group-id=" | 251 | ················</span><span·class="p"·data-group-id="8730697441-3">}</span><span·class="w"> |
| 252 | ··············</span><span·class="p"·data-group-id=" | 252 | ··············</span><span·class="p"·data-group-id="8730697441-2">]</span><span·class="p"·data-group-id="8730697441-1">)</span><span·class="p">.</span><span·class="w"> |
| 253 | </span><span·class="p"·data-group-id=" | 253 | </span><span·class="p"·data-group-id="8730697441-7">[</span><span·class="p"·data-group-id="8730697441-8">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="p"·data-group-id="8730697441-9">[</span><span·class="ss">'ecdh-sha2-nistp384'</span><span·class="p">,</span><span·class="ss">'ecdh-sha2-nistp521'</span><span·class="p">,</span><span·class="w"> |
| 254 | ·······</span><span·class="ss">'ecdh-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'diffie-hellman-group-exchange-sha256'</span><span·class="p">,</span><span·class="w"> | 254 | ·······</span><span·class="ss">'ecdh-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'diffie-hellman-group-exchange-sha256'</span><span·class="p">,</span><span·class="w"> |
| 255 | ·······</span><span·class="ss">'diffie-hellman-group16-sha512'</span><span·class="p">,</span><span·class="w"> | 255 | ·······</span><span·class="ss">'diffie-hellman-group16-sha512'</span><span·class="p">,</span><span·class="w"> |
| 256 | ·······</span><span·class="ss">'diffie-hellman-group18-sha512'</span><span·class="p">,</span><span·class="w"> | 256 | ·······</span><span·class="ss">'diffie-hellman-group18-sha512'</span><span·class="p">,</span><span·class="w"> |
| 257 | ·······</span><span·class="ss">'diffie-hellman-group14-sha256'</span><span·class="p">,</span><span·class="w"> | 257 | ·······</span><span·class="ss">'diffie-hellman-group14-sha256'</span><span·class="p">,</span><span·class="w"> |
| 258 | ·······</span><span·class="ss">'diffie-hellman-group14-sha1'</span><span·class="p">,</span><span·class="w"> | 258 | ·······</span><span·class="ss">'diffie-hellman-group14-sha1'</span><span·class="p">,</span><span·class="w"> |
| 259 | ·······</span><span·class="ss">'diffie-hellman-group-exchange-sha1'</span><span·class="p"·data-group-id=" | 259 | ·······</span><span·class="ss">'diffie-hellman-group-exchange-sha1'</span><span·class="p"·data-group-id="8730697441-9">]</span><span·class="p"·data-group-id="8730697441-8">}</span><span·class="p">,</span><span·class="w"> |
| 260 | ·</span><span·class="p"·data-group-id=" | 260 | ·</span><span·class="p"·data-group-id="8730697441-10">{</span><span·class="ss">public_key</span><span·class="p">,</span><span·class="p"·data-group-id="8730697441-11">[</span><span·class="ss">'ecdsa-sha2-nistp384'</span><span·class="p">,</span><span·class="ss">'ecdsa-sha2-nistp521'</span><span·class="p">,</span><span·class="w"> |
| 261 | ··············</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="w"> | 261 | ··············</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="w"> |
| 262 | ··············</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-dss'</span><span·class="p"·data-group-id=" | 262 | ··············</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-dss'</span><span·class="p"·data-group-id="8730697441-11">]</span><span·class="p"·data-group-id="8730697441-10">}</span><span·class="p">,</span><span·class="w"> |
| 263 | ·</span><span·class="p"·data-group-id=" | 263 | ·</span><span·class="p"·data-group-id="8730697441-12">{</span><span·class="ss">cipher</span><span·class="p">,</span><span·class="p"·data-group-id="8730697441-13">[</span><span·class="p"·data-group-id="8730697441-14">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·clas[·...·truncated·by·diffoscope;·len:·183,·SHA:·25da67959b6a060fe9b72f94e43d9298290ab7b3cd97dd17f0001ed876f42b27·...·]-14">}</span><span·class="p">,</span><span·class="w"> |
| 264 | ··········</span><span·class="p"·data-group-id=" | 264 | ··········</span><span·class="p"·data-group-id="8730697441-16">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="8730697441-17">[</span><span·class="ss">'aes128-ctr'</span><span·class="p"·data-group-id="8730697441-17">]</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·129,·SHA:·670d16c3610b134385c2d141be4bf1f5370fbd62045cbe98159e1d6b4b23650b·...·]-12">}</span><span·class="p">,</span><span·class="w"> |
| 265 | ·</span><span·class="p"·data-group-id=" | 265 | ·</span><span·class="p"·data-group-id="8730697441-18">{</span><span·class="ss">mac</span><span·class="p">,</span><span·class="p"·data-group-id="8730697441-19">[</span><span·class="p"·data-group-id="8730697441-20">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·28,·SHA:·615cb127dee32675284dbd0c47879931ab3276000a1b2f47b9ea84d5eb1e6235·...·]-21">[</span><span·class="ss">'hmac-sha2-256'</span><span·class="p">,</span><span·class="ss">'hmac-sha2-512'</span><span·class="p">,</span><span·class="w"> |
| 266 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id=" | 266 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="8730697441-21">]</span><span·class="p"·data-group-id="8730697441-20">}</span><span·class="p">,</span><span·class="w"> |
| 267 | ·······</span><span·class="p"·data-group-id=" | 267 | ·······</span><span·class="p"·data-group-id="8730697441-22">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="8730697441-23">[</span><span·class="ss">'hmac-sha2-256'</span><span·class="p">,</span><span·class="ss">'hmac-sha2-512'</span><span·class="p">,</span><span·class="w"> |
| 268 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id=" | 268 | ·······················</span><span·class="ss">'hmac-sha1'</span><span·class="p"·data-group-id="8730697441-23">]</span><span·class="p"·data-group-id="8730697441-22">}</span><span·class="p"·data-group-id="8730697441-19">]</span><span·class="p"·data-group-id="8730697441-18">}</span><span·class="p">,</span><span·class="w"> |
| 269 | ·</span><span·class="p"·data-group-id="1292975207-24">{</span><span·class="ss">compression</span><span·class="p">,</span><span·class="p"·data-group-id="1292975207-25">[</span><span·class="p"·data-group-id="1292975207-26">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="p"·data-group-id="1292975207-27">[</span><span·class="ss">none</span><span·class="p">,</span><span·class="ss">'zlib@openssh.com'</span><span·class="p">,</span><span·class="ss">zlib</span><span·class="p"·data-group-id="1292975207-27">]</span><span·class="p"·data-group-id="1292975207-26">}</span><span·class="p">,</span><span·class="w"> | ||
| 270 | · | 269 | ·</span><span·class="p"·data-group-id="8730697441-24">{</span><span·class="ss">compression</span><span·class="p">,</span><span·class="p"·data-group-id="8730697441-25">[</span><span·class="p"·data-group-id="8730697441-26">{</span><span·class="ss">client2serv[·...·truncated·by·diffoscope;·len:·389,·SHA:·9cdf37bd932fb375dc36eeadd6e63e2608a5451791d183715e49f54213bed160·...·] |
| 270 | ···············</span><span·class="p"·data-group-id="8730697441-28">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="8730697441-29">[</span><span·class="ss">none</span><span·class="p">,</span><span·class="ss">'zlib@openssh.com'</span><span·class="p">,</span><span·class="ss">zlib</span><span·class="p"·data-group-id="8730697441-29">]</span><span·class="p"·data-group-id="8730697441-28">}</span><span·class="p"·data-group-id="8730697441-25">]</span><span·class="p"·data-group-id="8730697441-24">}</span><span·class="p"·data-group-id="8730697441-7">]</span></code></pre><p>Note·that·both·lists·in·<code·class="inline">cipher</code>·has·been·changed·to·the·provided·value | ||
| 271 | (<code·class="inline">'aes128-ctr'</code>).</p><h3·id="example-3"·class="section-heading"> | 271 | (<code·class="inline">'aes128-ctr'</code>).</p><h3·id="example-3"·class="section-heading"> |
| 272 | ··<a·href="#example-3"·class="hover-link"> | 272 | ··<a·href="#example-3"·class="hover-link"> |
| 273 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 273 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 274 | ··</a> | 274 | ··</a> |
| 275 | ··<span·class="text">Example·3</span> | 275 | ··<span·class="text">Example·3</span> |
| 276 | </h3> | 276 | </h3> |
| 277 | <p>In·the·lists·that·are·divided·in·two·for·the·two·directions·(for·example·<code·class="inline">cipher</code>)·it·is | 277 | <p>In·the·lists·that·are·divided·in·two·for·the·two·directions·(for·example·<code·class="inline">cipher</code>)·it·is |
| 278 | possible·to·change·only·one·of·the·directions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">chk_algos_opts</span><span·class="p"·data-group-id=" | 278 | possible·to·change·only·one·of·the·directions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">chk_algos_opts</span><span·class="p"·data-group-id="7575110354-1">(</span><span·class="w"> |
| 279 | ···············</span><span·class="p"·data-group-id=" | 279 | ···············</span><span·class="p"·data-group-id="7575110354-2">[</span><span·class="p"·data-group-id="7575110354-3">{</span><span·class="ss">preferred_algorithms</span><span·class="p">,</span><span·class="w"> |
| 280 | ·····················</span><span·class="p"·data-group-id=" | 280 | ·····················</span><span·class="p"·data-group-id="7575110354-4">[</span><span·class="p"·data-group-id="7575110354-5">{</span><span·class="ss">cipher</span><span·class="p">,</span><span·class="p"·data-group-id="7575110354-6">[</span><span·class="p"·data-group-id="7575110354-7">{</span><span·class="ss">clie[·...·truncated·by·diffoscope;·len:·337,·SHA:·968f338fea9aa7528585b036ccec241869590f00a7f14fe8203f67a77c9a64dd·...·]-5">}</span><span·class="w"> |
| 281 | ·····················</span><span·class="p"·data-group-id=" | 281 | ·····················</span><span·class="p"·data-group-id="7575110354-4">]</span><span·class="w"> |
| 282 | ················</span><span·class="p"·data-group-id=" | 282 | ················</span><span·class="p"·data-group-id="7575110354-3">}</span><span·class="w"> |
| 283 | ··············</span><span·class="p"·data-group-id=" | 283 | ··············</span><span·class="p"·data-group-id="7575110354-2">]</span><span·class="p"·data-group-id="7575110354-1">)</span><span·class="p">.</span><span·class="w"> |
| 284 | </span><span·class="p"·data-group-id=" | 284 | </span><span·class="p"·data-group-id="7575110354-9">[</span><span·class="p"·data-group-id="7575110354-10">{</span><span·class="ss">kex</span><span·class="p">,</span><span·class="p"·data-group-id="7575110354-11">[</span><span·class="ss">'ecdh-sha2-nistp384'</span><span·class="p">,</span><span·class="ss">'ecdh-sha2-nistp521'</span><span·class="p">,</span><span·class="w"> |
| 285 | ·······</span><span·class="ss">'ecdh-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'diffie-hellman-group-exchange-sha256'</span><span·class="p">,</span><span·class="w"> | 285 | ·······</span><span·class="ss">'ecdh-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'diffie-hellman-group-exchange-sha256'</span><span·class="p">,</span><span·class="w"> |
| 286 | ·······</span><span·class="ss">'diffie-hellman-group16-sha512'</span><span·class="p">,</span><span·class="w"> | 286 | ·······</span><span·class="ss">'diffie-hellman-group16-sha512'</span><span·class="p">,</span><span·class="w"> |
| 287 | ·······</span><span·class="ss">'diffie-hellman-group18-sha512'</span><span·class="p">,</span><span·class="w"> | 287 | ·······</span><span·class="ss">'diffie-hellman-group18-sha512'</span><span·class="p">,</span><span·class="w"> |
| 288 | ·······</span><span·class="ss">'diffie-hellman-group14-sha256'</span><span·class="p">,</span><span·class="w"> | 288 | ·······</span><span·class="ss">'diffie-hellman-group14-sha256'</span><span·class="p">,</span><span·class="w"> |
| 289 | ·······</span><span·class="ss">'diffie-hellman-group14-sha1'</span><span·class="p">,</span><span·class="w"> | 289 | ·······</span><span·class="ss">'diffie-hellman-group14-sha1'</span><span·class="p">,</span><span·class="w"> |
| 290 | ·······</span><span·class="ss">'diffie-hellman-group-exchange-sha1'</span><span·class="p"·data-group-id=" | 290 | ·······</span><span·class="ss">'diffie-hellman-group-exchange-sha1'</span><span·class="p"·data-group-id="7575110354-11">]</span><span·class="p"·data-group-id="7575110354-10">}</span><span·class="p">,</span><span·class="w"> |
| 291 | ·</span><span·class="p"·data-group-id=" | 291 | ·</span><span·class="p"·data-group-id="7575110354-12">{</span><span·class="ss">public_key</span><span·class="p">,</span><span·class="p"·data-group-id="7575110354-13">[</span><span·class="ss">'ecdsa-sha2-nistp384'</span><span·class="p">,</span><span·class="ss">'ecdsa-sha2-nistp521'</span><span·class="p">,</span><span·class="w"> |
| 292 | ··············</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="w"> | 292 | ··············</span><span·class="ss">'ecdsa-sha2-nistp256'</span><span·class="p">,</span><span·class="ss">'ssh-rsa'</span><span·class="p">,</span><span·class="ss">'rsa-sha2-256'</span><span·class="p">,</span><span·class="w"> |
| 293 | ··············</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-dss'</span><span·class="p"·data-group-id=" | 293 | ··············</span><span·class="ss">'rsa-sha2-512'</span><span·class="p">,</span><span·class="ss">'ssh-dss'</span><span·class="p"·data-group-id="7575110354-13">]</span><span·class="p"·data-group-id="7575110354-12">}</span><span·class="p">,</span><span·class="w"> |
| 294 | ·</span><span·class="p"·data-group-id=" | 294 | ·</span><span·class="p"·data-group-id="7575110354-14">{</span><span·class="ss">cipher</span><span·class="p">,</span><span·class="p"·data-group-id="7575110354-15">[</span><span·class="p"·data-group-id="7575110354-16">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·clas[·...·truncated·by·diffoscope;·len:·183,·SHA:·f38a40fcbbcd2be648cd913fa9cb7ef34f12a1e39e854327961eb8cf54c4d232·...·]-16">}</span><span·class="p">,</span><span·class="w"> |
| 295 | ··········</span><span·class="p"·data-group-id=" | 295 | ··········</span><span·class="p"·data-group-id="7575110354-18">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="7575110354-19">[</span><span·class="ss">'aes256-gcm@openssh.com'</span><span·class="p">,</span><span·class="ss">'aes256-ctr'</span><span·class="p">,</span><span·class="w"> |
| 296 | ··························</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="w"> | 296 | ··························</span><span·class="ss">'aes192-ctr'</span><span·class="p">,</span><span·class="ss">'aes128-gcm@openssh.com'</span><span·class="p">,</span><span·class="ss">'aes128-ctr'</span><span·class="p">,</span><span·class="w"> |
| 297 | ··························</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id=" | 297 | ··························</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·class="p"·data-group-id="7575110354-19">]</span><span·class="p"·data-group-id="7575110354-18">}</span><span·class="p"·data-group-id="7575110354-15">]</span><span·class="p"·data-group-id="7575110354-14">}</span><span·class="p">,</span><span·class="w"> |
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| 210 | ··<span·class="text">Verifying·the·remote·client·in·a·daemon·(server)</span> | 210 | ··<span·class="text">Verifying·the·remote·client·in·a·daemon·(server)</span> |
| 211 | </h2> | 211 | </h2> |
| 212 | <ul><li><p><strong>Password·checking</strong>·-·The·default·password·checking·is·with·the·list·in·the | 212 | <ul><li><p><strong>Password·checking</strong>·-·The·default·password·checking·is·with·the·list·in·the |
| 213 | <a·href="ssh.html#option-user_passwords">user_passwords</a>·option·in·the·SSH·daemon.·It | 213 | <a·href="ssh.html#option-user_passwords">user_passwords</a>·option·in·the·SSH·daemon.·It |
| 214 | could·be·replaced·with·a·<a·href="ssh.html#option-pwdfun">pwdfun</a>·plugin.·The·arity | 214 | could·be·replaced·with·a·<a·href="ssh.html#option-pwdfun">pwdfun</a>·plugin.·The·arity |
| 215 | four·variant·(<a·href="ssh.html#t:pwdfun_4/0"><code·class="inline">pwdfun_4()</code></a>)·can·also·be·used·for | 215 | four·variant·(<a·href="ssh.html#t:pwdfun_4/0"><code·class="inline">pwdfun_4()</code></a>)·can·also·be·used·for |
| 216 | introducing·delays·after·failed·password·checking·attempts.·Here·is·a·simple | 216 | introducing·delays·after·failed·password·checking·attempts.·Here·is·a·simple |
| 217 | example·of·such·a·pwdfun:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id=" | 217 | example·of·such·a·pwdfun:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="6451255446-1">(</span><span·class="n">User</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Password</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">PeerAddress</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·95,·SHA:·da913173e45a52e3274a8f2234622cc856e2527be814265c93bd3405263747bd·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 218 | ········</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id=" | 218 | ········</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id="6451255446-2">(</span><span·class="p"·data-group-id="6451255446-3">{</span><span·class="n">User</span><span·class="p">,</span><span·class="n">Password</span><span·class="p"·data-group-id="6451255446-3">}</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·185,·SHA:·2292ca934eaa6ffa51f9bf49e44d0560fbd234ac5b48620640b09b0dd043b30a·...·]-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 219 | ············</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 219 | ············</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | ················</span><span·class="p"·data-group-id=" | 220 | ················</span><span·class="p"·data-group-id="6451255446-5">{</span><span·class="ss">true</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="p"·data-group-id="6451255446-5">}</span><span·class="p">;</span><span·class="w">·</span><span·class="c1">%·Reset·delay·time</span><span·class="w"> |
| 221 | ············</span><span·class="ss">false</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">State</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 221 | ············</span><span·class="ss">false</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">State</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 222 | ················</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">sleep</span><span·class="p"·data-group-id=" | 222 | ················</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">sleep</span><span·class="p"·data-group-id="6451255446-6">(</span><span·class="mi">1000</span><span·class="p"·data-group-id="6451255446-6">)</span><span·class="p">,</span><span·class="w"> |
| 223 | ················</span><span·class="p"·data-group-id=" | 223 | ················</span><span·class="p"·data-group-id="6451255446-7">{</span><span·class="ss">false</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2000</span><span·class="p"·data-group-id="6451255446-7">}</span><span·class="p">;</span><span·class="w">·</span><span·class="c1">%·Next·delay·is·2000·ms</span><span·class="w"> |
| 224 | ············</span><span·class="ss">false</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id=" | 224 | ············</span><span·class="ss">false</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_integer</span><span·class="p"·data-group-id="6451255446-8">(</span><span·class="n">State</span><span·class="p"·data-group-id="6451255446-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 225 | ················</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">sleep</span><span·class="p"·data-group-id=" | 225 | ················</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">sleep</span><span·class="p"·data-group-id="6451255446-9">(</span><span·class="n">State</span><span·class="p"·data-group-id="6451255446-9">)</span><span·class="p">,</span><span·class="w"> |
| 226 | ················</span><span·class="p"·data-group-id=" | 226 | ················</span><span·class="p"·data-group-id="6451255446-10">{</span><span·class="ss">false</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="o">*</span><span·class="n">State</span><span·class="p"·data-group-id="6451255446-10">}</span><span·class="w">·</span><span·class="c1">%·Double·the·delay·for·each·failure</span><span·class="w"> |
| 227 | ········</span><span·class="k">end</span><span·class="w"> | 227 | ········</span><span·class="k">end</span><span·class="w"> |
| 228 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>If·a·public·key·is·used·for·logging·in,·there·is·normally·no·checking·of·the | 228 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>If·a·public·key·is·used·for·logging·in,·there·is·normally·no·checking·of·the |
| 229 | user·name.·It·could·be·enabled·by·setting·the·option | 229 | user·name.·It·could·be·enabled·by·setting·the·option |
| 230 | <a·href="ssh.html#option-pk_check_user"><code·class="inline">pk_check_user</code></a>·to·<code·class="inline">true</code>.·In·that·case·the | 230 | <a·href="ssh.html#option-pk_check_user"><code·class="inline">pk_check_user</code></a>·to·<code·class="inline">true</code>.·In·that·case·the |
| 231 | pwdfun·will·get·the·atom·<code·class="inline">pubkey</code>·in·the·password·argument.</p></li></ul><h2·id="hardening-in-the-cryptographic-area"·class="section-heading"> | 231 | pwdfun·will·get·the·atom·<code·class="inline">pubkey</code>·in·the·password·argument.</p></li></ul><h2·id="hardening-in-the-cryptographic-area"·class="section-heading"> |
| 232 | ··<a·href="#hardening-in-the-cryptographic-area"·class="hover-link"> | 232 | ··<a·href="#hardening-in-the-cryptographic-area"·class="hover-link"> |
| 233 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 233 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 288, 15 lines modified | Offset 288, 15 lines modified | ||
| 288 | ··<span·class="text">The·id·string</span> | 288 | ··<span·class="text">The·id·string</span> |
| 289 | </h3> | 289 | </h3> |
| 290 | <p>One·way·to·reduce·the·risk·of·intrusion·is·to·not·convey·which·software·and | 290 | <p>One·way·to·reduce·the·risk·of·intrusion·is·to·not·convey·which·software·and |
| 291 | which·version·the·intruder·is·connected·to.·This·limits·the·risk·of·an·intruder | 291 | which·version·the·intruder·is·connected·to.·This·limits·the·risk·of·an·intruder |
| 292 | exploiting·known·faults·or·peculiarities·learned·by·reading·the·public·code.</p><p>Each·SSH·client·or·daemon·presents·themselves·to·each·other·with·brand·and | 292 | exploiting·known·faults·or·peculiarities·learned·by·reading·the·public·code.</p><p>Each·SSH·client·or·daemon·presents·themselves·to·each·other·with·brand·and |
| 293 | version.·This·may·look·like</p><pre><code·class="text">SSH-2.0-Erlang/4.10</code></pre><p>or</p><pre><code·class="text">SSH-2.0-OpenSSH_7.6p1·Ubuntu-4ubuntu0.3</code></pre><p>This·brand·and·version·may·be·changed·with·the·option | 293 | version.·This·may·look·like</p><pre><code·class="text">SSH-2.0-Erlang/4.10</code></pre><p>or</p><pre><code·class="text">SSH-2.0-OpenSSH_7.6p1·Ubuntu-4ubuntu0.3</code></pre><p>This·brand·and·version·may·be·changed·with·the·option |
| 294 | <a·href="ssh.html#t:id_string_common_option/0">id_string</a>.·We·start·a·daemon·with·that | 294 | <a·href="ssh.html#t:id_string_common_option/0">id_string</a>.·We·start·a·daemon·with·that |
| 295 | option:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">»</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">daemon</span><span·class="p"·data-group-id=" | 295 | option:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">»</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">daemon</span><span·class="p"·data-group-id="3880711591-1">(</span><span·class="mi">1234</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3880711591-2">[</span><span·class="p"·data-group-id="3880711591-3">{</span><span·class="ss">id_string</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·339,·SHA:·fea861637935cb8701bba0d19aedbf32358e652b0e79306ffdfdc8999005951c·...·]-1">)</span><span·class="p">.</span></code></pre><p>and·the·daemon·will·present·itself·as:</p><pre><code·class="text">SSH-2.0-hi·there</code></pre><p>It·is·possible·to·replace·the·string·with·one·randomly·generated·for·each |
| 296 | connection·attempt.·See·the·reference·manual·for | 296 | connection·attempt.·See·the·reference·manual·for |
| 297 | <a·href="ssh.html#t:id_string_common_option/0">id_string</a>.</p><h2·id="client-connection-options"·class="section-heading"> | 297 | <a·href="ssh.html#t:id_string_common_option/0">id_string</a>.</p><h2·id="client-connection-options"·class="section-heading"> |
| 298 | ··<a·href="#client-connection-options"·class="hover-link"> | 298 | ··<a·href="#client-connection-options"·class="hover-link"> |
| 299 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 299 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 300 | ··</a> | 300 | ··</a> |
| 301 | ··<span·class="text">Client·connection·options</span> | 301 | ··<span·class="text">Client·connection·options</span> |
| 302 | </h2> | 302 | </h2> |
| Offset 342, 15 lines modified | Offset 342, 15 lines modified | ||
| 342 | ······<p·class="built-using"> | 342 | ······<p·class="built-using"> |
| 343 | ········Built·using | 343 | ········Built·using |
| 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 346 | ······</p> | 346 | ······</p> |
| 347 | <p>Copyright·©·1996-202 | 347 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 348 | ····</footer> | 348 | ····</footer> |
| 349 | ··</div> | 349 | ··</div> |
| 350 | </main> | 350 | </main> |
| 351 | </div> | 351 | </div> |
| 352 | <script> | 352 | <script> |
| 353 | ··function·mermaidLoaded()·{ | 353 | ··function·mermaidLoaded()·{ |
| 354 | ····mermaid.initialize({ | 354 | ····mermaid.initialize({ |
| Offset 268, 15 lines modified | Offset 268, 15 lines modified | ||
| 268 | ······<p·class="built-using"> | 268 | ······<p·class="built-using"> |
| 269 | ········Built·using | 269 | ········Built·using |
| 270 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 270 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 271 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 271 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 272 | ······</p> | 272 | ······</p> |
| 273 | <p>Copyright·©·1996-202 | 273 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 274 | ····</footer> | 274 | ····</footer> |
| 275 | ··</div> | 275 | ··</div> |
| 276 | </main> | 276 | </main> |
| 277 | </div> | 277 | </div> |
| 278 | <script> | 278 | <script> |
| 279 | ··function·mermaidLoaded()·{ | 279 | ··function·mermaidLoaded()·{ |
| 280 | ····mermaid.initialize({ | 280 | ····mermaid.initialize({ |
| Offset 3385, 15 lines modified | Offset 3385, 15 lines modified | ||
| 3385 | ······<p·class="built-using"> | 3385 | ······<p·class="built-using"> |
| 3386 | ········Built·using | 3386 | ········Built·using |
| 3387 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3387 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3388 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3388 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3389 | ······</p> | 3389 | ······</p> |
| 3390 | <p>Copyright·©·1996-202 | 3390 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3391 | ····</footer> | 3391 | ····</footer> |
| 3392 | ··</div> | 3392 | ··</div> |
| 3393 | </main> | 3393 | </main> |
| 3394 | </div> | 3394 | </div> |
| 3395 | <script> | 3395 | <script> |
| 3396 | ··function·mermaidLoaded()·{ | 3396 | ··function·mermaidLoaded()·{ |
| 3397 | ····mermaid.initialize({ | 3397 | ····mermaid.initialize({ |
| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 3369, 22 lines modified | Offset 3369, 22 lines modified | ||
| 3369 | ··········<pre·translate="no"><span·class="attribute">-type</span>·double_algs(AlgType)·::·[{client2server,·[AlgType]}·|·{server2client,·[AlgType]}]·|·[AlgType].</pre> | 3369 | ··········<pre·translate="no"><span·class="attribute">-type</span>·double_algs(AlgType)·::·[{client2server,·[AlgType]}·|·{server2client,·[AlgType]}]·|·[AlgType].</pre> |
| 3370 | ······</div> | 3370 | ······</div> |
| 3371 | <p>List·of·algorithms·to·use·in·the·algorithm·negotiation.·The·default | 3371 | <p>List·of·algorithms·to·use·in·the·algorithm·negotiation.·The·default |
| 3372 | <a·href="#t:algs_list/0"><code·class="inline">algs_list/0</code></a>·can·be·obtained·from·<a·href="#default_algorithms/0"><code·class="inline">default_algorithms/0</code></a>.</p><p>If·an·alg_entry()·is·missing·in·the·algs_list(),·the·default·value·is·used·for | 3372 | <a·href="#t:algs_list/0"><code·class="inline">algs_list/0</code></a>·can·be·obtained·from·<a·href="#default_algorithms/0"><code·class="inline">default_algorithms/0</code></a>.</p><p>If·an·alg_entry()·is·missing·in·the·algs_list(),·the·default·value·is·used·for |
| 3373 | that·entry.</p><p>Here·is·an·example·of·this·option:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» ··</span><span·class="p"·data-group-id=" | 3373 | that·entry.</p><p>Here·is·an·example·of·this·option:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">» ··</span><span·class="p"·data-group-id="1527994041-1">{</span><span·class="ss">preferred_algorithms</span><span·class="p">,</span><span·class="w"> |
| 3374 | » ··</span><span·class="p"·data-group-id=" | 3374 | » ··</span><span·class="p"·data-group-id="1527994041-2">[</span><span·class="p"·data-group-id="1527994041-3">{</span><span·class="ss">public_key</span><span·class="p">,</span><span·class="p"·data-group-id="1527994041-4">[</span><span·class="ss">'ssh-rsa'</span><span·class="p">,</span><span[·...·truncated·by·diffoscope;·len:·130,·SHA:·27f266ebea5a33f8498c62bd6dcd653f3963faac7324cae32daade61f94bebcf·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 3375 | » ··</span><span·class="p"·data-group-id=" | 3375 | » ··</span><span·class="p"·data-group-id="1527994041-5">{</span><span·class="ss">cipher</span><span·class="p">,</span><span·class="p"·data-group-id="1527994041-6">[</span><span·class="p"·data-group-id="1527994041-7">{</span><span·class="ss">client2server</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·178,·SHA:·bf5d32d571824a6a852ad2b046967dfe4f957e71ef82571893f1044ede6a35a8·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 3376 | ··········</span><span·class="p"·data-group-id=" | 3376 | ··········</span><span·class="p"·data-group-id="1527994041-9">{</span><span·class="ss">server2client</span><span·class="p">,</span><span·class="p"·data-group-id="1527994041-10">[</span><span·class="ss">'aes128-cbc'</span><span·class="p">,</span><span·class="ss">'3des-cbc'</span><span·cla[·...·truncated·by·diffoscope;·len:·192,·SHA:·d9961b92f30914704984b66bec78f4334ba4becb1a672ce2c616e916a2dd49b3·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 3377 | » ··</span><span·class="p"·data-group-id=" | 3377 | » ··</span><span·class="p"·data-group-id="1527994041-11">{</span><span·class="ss">mac</span><span·class="p">,</span><span·class="p"·data-group-id="1527994041-12">[</span><span·class="ss">'hmac-sha2-256'</span><span·class="p">,</span><span·class="ss">'hmac-sha1'</span><span·class="p[·...·truncated·by·diffoscope;·len:·81,·SHA:·4e91162f02d0d0a45f4d1344f351e8421755d8a85e2d5b52764e85ec7ead7f9d·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 3378 | » ··</span><span·class="p"·data-group-id=" | 3378 | » ··</span><span·class="p"·data-group-id="1527994041-13">{</span><span·class="ss">compression</span><span·class="p">,</span><span·class="p"·data-group-id="1527994041-14">[</span><span·class="ss">none</span><span·class="p">,</span><span·class="ss">zlib</span><span·class="p"·data-group-id="152799404[·...·truncated·by·diffoscope;·len:·55,·SHA:·333c25a3e7b4828756092a5d1284624b27ff62dcb23b31ee063906eaa5fe0db0·...·]-13">}</span><span·class="w"> |
| 3379 | » ··</span><span·class="p"·data-group-id=" | 3379 | » ··</span><span·class="p"·data-group-id="1527994041-2">]</span><span·class="w"> |
| 3380 | » ··</span><span·class="p"·data-group-id=" | 3380 | » ··</span><span·class="p"·data-group-id="1527994041-1">}</span></code></pre><p>The·example·specifies·different·algorithms·in·the·two·directions·(client2server |
| 3381 | and·server2client),·for·cipher·but·specifies·the·same·algorithms·for·mac·and | 3381 | and·server2client),·for·cipher·but·specifies·the·same·algorithms·for·mac·and |
| 3382 | compression·in·both·directions.·The·kex·(key·exchange)·is·implicit·but | 3382 | compression·in·both·directions.·The·kex·(key·exchange)·is·implicit·but |
| 3383 | public_key·is·set·explicitly.</p><p>For·background·and·more·examples·see·the | 3383 | public_key·is·set·explicitly.</p><p>For·background·and·more·examples·see·the |
| 3384 | <a·href="configure_algos.html#introduction">User's·Guide</a>.</p><p>If·an·algorithm·name·occurs·more·than·once·in·a·list,·the·behaviour·is | 3384 | <a·href="configure_algos.html#introduction">User's·Guide</a>.</p><p>If·an·algorithm·name·occurs·more·than·once·in·a·list,·the·behaviour·is |
| 3385 | undefined.·The·tags·in·the·property·lists·are·also·assumed·to·occur·at·most·one | 3385 | undefined.·The·tags·in·the·property·lists·are·also·assumed·to·occur·at·most·one |
| 3386 | time.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>Changing·the·values·can·make·a·connection·less·secure.·Do·not·change·unless | 3386 | time.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>Changing·the·values·can·make·a·connection·less·secure.·Do·not·change·unless |
| 3387 | you·know·exactly·what·you·are·doing.·If·you·do·not·understand·the·values·then | 3387 | you·know·exactly·what·you·are·doing.·If·you·do·not·understand·the·values·then |
| Offset 5105, 29 lines modified | Offset 5105, 29 lines modified | ||
| 5105 | ·································StringOrString·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·|·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()].</pre> | 5105 | ·································StringOrString·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()·|·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>()].</pre> |
| 5106 | ······</div> | 5106 | ······</div> |
| 5107 | <p>hostkey_fingerprint([DigestType],·HostKey)·-> | 5107 | <p>hostkey_fingerprint([DigestType],·HostKey)·-> |
| 5108 | [string()]hostkey_fingerprint(DigestType,·HostKey)·->·string()</p><p>Calculates·a·ssh·fingerprint·from·a·public·host·key·as·openssh·does.</p><p>The·algorithm·in·<a·href="#hostkey_fingerprint/1"><code·class="inline">hostkey_fingerprint/1</code></a>·is·md5·to·be | 5108 | [string()]hostkey_fingerprint(DigestType,·HostKey)·->·string()</p><p>Calculates·a·ssh·fingerprint·from·a·public·host·key·as·openssh·does.</p><p>The·algorithm·in·<a·href="#hostkey_fingerprint/1"><code·class="inline">hostkey_fingerprint/1</code></a>·is·md5·to·be |
| 5109 | compatible·with·older·ssh-keygen·commands.·The·string·from·the·second·variant·is | 5109 | compatible·with·older·ssh-keygen·commands.·The·string·from·the·second·variant·is |
| 5110 | prepended·by·the·algorithm·name·in·uppercase·as·in·newer·ssh-keygen·commands.</p><p>Examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id=" | 5110 | prepended·by·the·algorithm·name·in·uppercase·as·in·newer·ssh-keygen·commands.</p><p>Examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id="0259356366-1">(</span><span·class="n">Key</span><span·class="p"·data-group-id="0259356366-1">)</span><span·class="p">.</span><span·class="w"> |
| 5111 | ·</span><span·class="s">"f5:64:a6:c1:5a:cb:9f:0a:10:46:a2:5c:3e:2f:57:84"</span><span·class="w"> | 5111 | ·</span><span·class="s">"f5:64:a6:c1:5a:cb:9f:0a:10:46:a2:5c:3e:2f:57:84"</span><span·class="w"> |
| 5112 | ·</span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id=" | 5112 | ·</span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id="0259356366-2">(</span><span·class="nb">md5</span><span·class="p">,</span><span·class="n">Key</span><span·class="p"·data-group-id="0259356366-2">)</span><span·class="p">.</span><span·class="w"> |
| 5113 | ·</span><span·class="s">"MD5:f5:64:a6:c1:5a:cb:9f:0a:10:46:a2:5c:3e:2f:57:84"</span><span·class="w"> | 5113 | ·</span><span·class="s">"MD5:f5:64:a6:c1:5a:cb:9f:0a:10:46:a2:5c:3e:2f:57:84"</span><span·class="w"> |
| 5114 | ·</span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id=" | 5114 | ·</span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id="0259356366-3">(</span><span·class="ss">sha</span><span·class="p">,</span><span·class="n">Key</span><span·class="p"·data-group-id="0259356366-3">)</span><span·class="p">.</span><span·class="w"> |
| 5115 | ·</span><span·class="s">"SHA1:bSLY/C4QXLDL/Iwmhyg0PGW9UbY"</span><span·class="w"> | 5115 | ·</span><span·class="s">"SHA1:bSLY/C4QXLDL/Iwmhyg0PGW9UbY"</span><span·class="w"> |
| 5116 | ·</span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id=" | 5116 | ·</span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id="0259356366-4">(</span><span·class="ss">sha256</span><span·class="p">,</span><span·class="n">Key</span><span·class="p"·data-group-id="0259356366-4">)</span><span·class="p">.</span><span·class="w"> |
| 5117 | ·</span><span·class="s">"SHA256:aZGXhabfbf4oxglxltItWeHU7ub3Dc31NcNw2cMJePQ"</span><span·class="w"> | 5117 | ·</span><span·class="s">"SHA256:aZGXhabfbf4oxglxltItWeHU7ub3Dc31NcNw2cMJePQ"</span><span·class="w"> |
| 5118 | ·</span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id=" | 5118 | ·</span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">ssh</span><span·class="p">:</span><span·class="nf">hostkey_fingerprint</span><span·class="p"·data-group-id="0259356366-5">(</span><span·class="p"·data-group-id="0259356366-6">[</span><span·class="ss">sha</span><span·class="p">,</span><span·class="ss">sha256</span><span·class="p"·data-group-id="0259356366-6">]</span><span·class="p">,</span><span·class="n">Key</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·dc8ecd817d21c2fd2aa76a4e0c78b170fd37da5080403e7cb1653b1bd8402230·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 5119 | ·</span><span·class="p"·data-group-id=" | 5119 | ·</span><span·class="p"·data-group-id="0259356366-7">[</span><span·class="s">"SHA1:bSLY/C4QXLDL/Iwmhyg0PGW9UbY"</span><span·class="p">,</span><span·class="w"> |
| 5120 | ··</span><span·class="s">"SHA256:aZGXhabfbf4oxglxltItWeHU7ub3Dc31NcNw2cMJePQ"</span><span·class="p"·data-group-id=" | 5120 | ··</span><span·class="s">"SHA256:aZGXhabfbf4oxglxltItWeHU7ub3Dc31NcNw2cMJePQ"</span><span·class="p"·data-group-id="0259356366-7">]</span></code></pre> |
| 5121 | ··</section> | 5121 | ··</section> |
| 5122 | </section> | 5122 | </section> |
| 5123 | <section·class="detail"·id="set_sock_opts/2"> | 5123 | <section·class="detail"·id="set_sock_opts/2"> |
| 5124 | ··<div·class="detail-header"> | 5124 | ··<div·class="detail-header"> |
| 5125 | ····<a·href="#set_sock_opts/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 5125 | ····<a·href="#set_sock_opts/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 5126 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 5126 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 5668, 15 lines modified | Offset 5668, 15 lines modified | ||
| 5668 | ······<p·class="built-using"> | 5668 | ······<p·class="built-using"> |
| 5669 | ········Built·using | 5669 | ········Built·using |
| 5670 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 5670 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 5671 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 5671 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 5672 | ······</p> | 5672 | ······</p> |
| 5673 | <p>Copyright·©·1996-202 | 5673 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 5674 | ····</footer> | 5674 | ····</footer> |
| 5675 | ··</div> | 5675 | ··</div> |
| 5676 | </main> | 5676 | </main> |
| 5677 | </div> | 5677 | </div> |
| 5678 | <script> | 5678 | <script> |
| 5679 | ··function·mermaidLoaded()·{ | 5679 | ··function·mermaidLoaded()·{ |
| 5680 | ····mermaid.initialize({ | 5680 | ····mermaid.initialize({ |
| Offset 131, 19 lines modified | Offset 131, 19 lines modified | ||
| 131 | <p>Callback·module·for·using·an·SSH·agent·instead·of·the·default·ssh_file·callback.</p><p>This·module·defines·a·callback·handler·for·the·communication·with·an | 131 | <p>Callback·module·for·using·an·SSH·agent·instead·of·the·default·ssh_file·callback.</p><p>This·module·defines·a·callback·handler·for·the·communication·with·an |
| 132 | <a·href="https://tools.ietf.org/html/draft-miller-ssh-agent-02">SSH·Agent</a>·and·can·be | 132 | <a·href="https://tools.ietf.org/html/draft-miller-ssh-agent-02">SSH·Agent</a>·and·can·be |
| 133 | used·to·replace·the·<a·href="ssh_file.html">default·callback</a>.·This·allows·to·issue | 133 | used·to·replace·the·<a·href="ssh_file.html">default·callback</a>.·This·allows·to·issue |
| 134 | signing·requests·to·an·agent·that·stores·SSH·private·keys·to·perform | 134 | signing·requests·to·an·agent·that·stores·SSH·private·keys·to·perform |
| 135 | authentication.</p><p>Ssh_agent·implements·the·<a·href="ssh_client_key_api.html"><code·class="inline">ssh_client_key_api</code></a>,·to·allow·it·to·be·used·by | 135 | authentication.</p><p>Ssh_agent·implements·the·<a·href="ssh_client_key_api.html"><code·class="inline">ssh_client_key_api</code></a>,·to·allow·it·to·be·used·by |
| 136 | setting·the·option·<a·href="ssh.html#t:key_cb_common_option/0"><code·class="inline">key_cb</code></a>·when·starting·a | 136 | setting·the·option·<a·href="ssh.html#t:key_cb_common_option/0"><code·class="inline">key_cb</code></a>·when·starting·a |
| 137 | client·(with·for·example·<a·href="ssh.html#connect/3">ssh:connect</a>, | 137 | client·(with·for·example·<a·href="ssh.html#connect/3">ssh:connect</a>, |
| 138 | <a·href="ssh.html#shell/1">ssh:shell</a>·).</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id=" | 138 | <a·href="ssh.html#shell/1">ssh:shell</a>·).</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id="4348465961-1">{</span><span·class="ss">key_cb</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4348465961-2">{</span><span·class="ss">ssh_agent</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·178,·SHA:·8d8bf9574f3a1c526c84d39d81dafbf9fe060c8ab2cb77fa29a3294e40a031cb·...·]-1">}</span></code></pre><p>The·agent·communication·is·established·through·a·UNIX·domain·socket.·By·default, |
| 139 | the·socket·path·will·be·fetched·from·the·<code·class="inline">SSH_AUTH_SOCK</code>·environment·variable, | 139 | the·socket·path·will·be·fetched·from·the·<code·class="inline">SSH_AUTH_SOCK</code>·environment·variable, |
| 140 | which·is·the·default·socket·path·in·the·agent·implementation·of | 140 | which·is·the·default·socket·path·in·the·agent·implementation·of |
| 141 | <a·href="http://www.openssh.com">OpenSSH</a>.</p><p><a·href=""·id="SOCKET_PATH"></a>·In·order·to·set·a·different·socket·path·the·<code·class="inline">socket_path</code> | 141 | <a·href="http://www.openssh.com">OpenSSH</a>.</p><p><a·href=""·id="SOCKET_PATH"></a>·In·order·to·set·a·different·socket·path·the·<code·class="inline">socket_path</code> |
| 142 | option·can·be·set.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id=" | 142 | option·can·be·set.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id="1831916671-1">{</span><span·class="ss">key_cb</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1831916671-2">{</span><span·class="ss">ssh_agent</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·400,·SHA:·665d94afbe56989c3f3691d2a1c5e94eebd696d429b8e31c5160b0acd76d13ee·...·]-1">}</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·functions·are·<em>Callbacks</em>·for·the·SSH·app.·They·are·not·intended·to·be |
| 143 | called·from·the·user's·code!</p></section> | 143 | called·from·the·user's·code!</p></section> |
| 144 | ····</section> | 144 | ····</section> |
| 145 | </div> | 145 | </div> |
| 146 | ··<section·id="summary"·class="details-list"> | 146 | ··<section·id="summary"·class="details-list"> |
| 147 | ····<h1·class="section-heading"> | 147 | ····<h1·class="section-heading"> |
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| 547 | ······<p·class="built-using"> | 547 | ······<p·class="built-using"> |
| 548 | ········Built·using | 548 | ········Built·using |
| 549 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 549 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 550 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 550 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 551 | ······</p> | 551 | ······</p> |
| 552 | <p>Copyright·©·1996-202 | 552 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 553 | ····</footer> | 553 | ····</footer> |
| 554 | ··</div> | 554 | ··</div> |
| 555 | </main> | 555 | </main> |
| 556 | </div> | 556 | </div> |
| 557 | <script> | 557 | <script> |
| 558 | ··function·mermaidLoaded()·{ | 558 | ··function·mermaidLoaded()·{ |
| 559 | ····mermaid.initialize({ | 559 | ····mermaid.initialize({ |
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| 347 | ······<p·class="built-using"> | 347 | ······<p·class="built-using"> |
| 348 | ········Built·using | 348 | ········Built·using |
| 349 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 349 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 350 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 350 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 351 | ······</p> | 351 | ······</p> |
| 352 | <p>Copyright·©·1996-202 | 352 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 353 | ····</footer> | 353 | ····</footer> |
| 354 | ··</div> | 354 | ··</div> |
| 355 | </main> | 355 | </main> |
| 356 | </div> | 356 | </div> |
| 357 | <script> | 357 | <script> |
| 358 | ··function·mermaidLoaded()·{ | 358 | ··function·mermaidLoaded()·{ |
| 359 | ····mermaid.initialize({ | 359 | ····mermaid.initialize({ |
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| 956 | ······<p·class="built-using"> | 956 | ······<p·class="built-using"> |
| 957 | ········Built·using | 957 | ········Built·using |
| 958 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 958 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 959 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 959 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 960 | ······</p> | 960 | ······</p> |
| 961 | <p>Copyright·©·1996-202 | 961 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 962 | ····</footer> | 962 | ····</footer> |
| 963 | ··</div> | 963 | ··</div> |
| 964 | </main> | 964 | </main> |
| 965 | </div> | 965 | </div> |
| 966 | <script> | 966 | <script> |
| 967 | ··function·mermaidLoaded()·{ | 967 | ··function·mermaidLoaded()·{ |
| 968 | ····mermaid.initialize({ | 968 | ····mermaid.initialize({ |
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| 523 | ······<p·class="built-using"> | 523 | ······<p·class="built-using"> |
| 524 | ········Built·using | 524 | ········Built·using |
| 525 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 525 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 526 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 526 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 527 | ······</p> | 527 | ······</p> |
| 528 | <p>Copyright·©·1996-202 | 528 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 529 | ····</footer> | 529 | ····</footer> |
| 530 | ··</div> | 530 | ··</div> |
| 531 | </main> | 531 | </main> |
| 532 | </div> | 532 | </div> |
| 533 | <script> | 533 | <script> |
| 534 | ··function·mermaidLoaded()·{ | 534 | ··function·mermaidLoaded()·{ |
| 535 | ····mermaid.initialize({ | 535 | ····mermaid.initialize({ |
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| 1937 | ······<p·class="built-using"> | 1937 | ······<p·class="built-using"> |
| 1938 | ········Built·using | 1938 | ········Built·using |
| 1939 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1939 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1940 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1940 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1941 | ······</p> | 1941 | ······</p> |
| 1942 | <p>Copyright·©·1996-202 | 1942 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1943 | ····</footer> | 1943 | ····</footer> |
| 1944 | ··</div> | 1944 | ··</div> |
| 1945 | </main> | 1945 | </main> |
| 1946 | </div> | 1946 | </div> |
| 1947 | <script> | 1947 | <script> |
| 1948 | ··function·mermaidLoaded()·{ | 1948 | ··function·mermaidLoaded()·{ |
| 1949 | ····mermaid.initialize({ | 1949 | ····mermaid.initialize({ |
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| 1002 | ······<p·class="built-using"> | 1002 | ······<p·class="built-using"> |
| 1003 | ········Built·using | 1003 | ········Built·using |
| 1004 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1004 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1005 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1005 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1006 | ······</p> | 1006 | ······</p> |
| 1007 | <p>Copyright·©·1996-202 | 1007 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1008 | ····</footer> | 1008 | ····</footer> |
| 1009 | ··</div> | 1009 | ··</div> |
| 1010 | </main> | 1010 | </main> |
| 1011 | </div> | 1011 | </div> |
| 1012 | <script> | 1012 | <script> |
| 1013 | ··function·mermaidLoaded()·{ | 1013 | ··function·mermaidLoaded()·{ |
| 1014 | ····mermaid.initialize({ | 1014 | ····mermaid.initialize({ |
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| 375 | ······<p·class="built-using"> | 375 | ······<p·class="built-using"> |
| 376 | ········Built·using | 376 | ········Built·using |
| 377 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 377 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 378 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 378 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 379 | ······</p> | 379 | ······</p> |
| 380 | <p>Copyright·©·1996-202 | 380 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 381 | ····</footer> | 381 | ····</footer> |
| 382 | ··</div> | 382 | ··</div> |
| 383 | </main> | 383 | </main> |
| 384 | </div> | 384 | </div> |
| 385 | <script> | 385 | <script> |
| 386 | ··function·mermaidLoaded()·{ | 386 | ··function·mermaidLoaded()·{ |
| 387 | ····mermaid.initialize({ | 387 | ····mermaid.initialize({ |
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| 321 | ······<p·class="built-using"> | 321 | ······<p·class="built-using"> |
| 322 | ········Built·using | 322 | ········Built·using |
| 323 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 323 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 324 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 324 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 325 | ······</p> | 325 | ······</p> |
| 326 | <p>Copyright·©·1996-202 | 326 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 327 | ····</footer> | 327 | ····</footer> |
| 328 | ··</div> | 328 | ··</div> |
| 329 | </main> | 329 | </main> |
| 330 | </div> | 330 | </div> |
| 331 | <script> | 331 | <script> |
| 332 | ··function·mermaidLoaded()·{ | 332 | ··function·mermaidLoaded()·{ |
| 333 | ····mermaid.initialize({ | 333 | ····mermaid.initialize({ |
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| 2794 | ······<p·class="built-using"> | 2794 | ······<p·class="built-using"> |
| 2795 | ········Built·using | 2795 | ········Built·using |
| 2796 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2796 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2797 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2797 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2798 | ······</p> | 2798 | ······</p> |
| 2799 | <p>Copyright·©·1996-202 | 2799 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2800 | ····</footer> | 2800 | ····</footer> |
| 2801 | ··</div> | 2801 | ··</div> |
| 2802 | </main> | 2802 | </main> |
| 2803 | </div> | 2803 | </div> |
| 2804 | <script> | 2804 | <script> |
| 2805 | ··function·mermaidLoaded()·{ | 2805 | ··function·mermaidLoaded()·{ |
| 2806 | ····mermaid.initialize({ | 2806 | ····mermaid.initialize({ |
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| 238 | ······<p·class="built-using"> | 238 | ······<p·class="built-using"> |
| 239 | ········Built·using | 239 | ········Built·using |
| 240 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 240 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 241 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 241 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 242 | ······</p> | 242 | ······</p> |
| 243 | <p>Copyright·©·1996-202 | 243 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 244 | ····</footer> | 244 | ····</footer> |
| 245 | ··</div> | 245 | ··</div> |
| 246 | </main> | 246 | </main> |
| 247 | </div> | 247 | </div> |
| 248 | <script> | 248 | <script> |
| 249 | ··function·mermaidLoaded()·{ | 249 | ··function·mermaidLoaded()·{ |
| 250 | ····mermaid.initialize({ | 250 | ····mermaid.initialize({ |
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| 243 | ······<p·class="built-using"> | 243 | ······<p·class="built-using"> |
| 244 | ········Built·using | 244 | ········Built·using |
| 245 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 245 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 246 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 246 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 247 | ······</p> | 247 | ······</p> |
| 248 | <p>Copyright·©·1996-202 | 248 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 249 | ····</footer> | 249 | ····</footer> |
| 250 | ··</div> | 250 | ··</div> |
| 251 | </main> | 251 | </main> |
| 252 | </div> | 252 | </div> |
| 253 | <script> | 253 | <script> |
| 254 | ··function·mermaidLoaded()·{ | 254 | ··function·mermaidLoaded()·{ |
| 255 | ····mermaid.initialize({ | 255 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 209, 15 lines modified | Offset 209, 15 lines modified | ||
| 209 | ······<p·class="built-using"> | 209 | ······<p·class="built-using"> |
| 210 | ········Built·using | 210 | ········Built·using |
| 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 211 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 212 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 213 | ······</p> | 213 | ······</p> |
| 214 | <p>Copyright·©·1996-202 | 214 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 215 | ····</footer> | 215 | ····</footer> |
| 216 | ··</div> | 216 | ··</div> |
| 217 | </main> | 217 | </main> |
| 218 | </div> | 218 | </div> |
| 219 | <script> | 219 | <script> |
| 220 | ··function·mermaidLoaded()·{ | 220 | ··function·mermaidLoaded()·{ |
| 221 | ····mermaid.initialize({ | 221 | ····mermaid.initialize({ |
| Offset 3503, 15 lines modified | Offset 3503, 15 lines modified | ||
| 3503 | ······<p·class="built-using"> | 3503 | ······<p·class="built-using"> |
| 3504 | ········Built·using | 3504 | ········Built·using |
| 3505 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3505 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3506 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3506 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3507 | ······</p> | 3507 | ······</p> |
| 3508 | <p>Copyright·©·1996-202 | 3508 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3509 | ····</footer> | 3509 | ····</footer> |
| 3510 | ··</div> | 3510 | ··</div> |
| 3511 | </main> | 3511 | </main> |
| 3512 | </div> | 3512 | </div> |
| 3513 | <script> | 3513 | <script> |
| 3514 | ··function·mermaidLoaded()·{ | 3514 | ··function·mermaidLoaded()·{ |
| 3515 | ····mermaid.initialize({ | 3515 | ····mermaid.initialize({ |
| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
| Offset 127, 17 lines modified | Offset 127, 17 lines modified | ||
| 127 | ··</h1> | 127 | ··</h1> |
| 128 | ····<section·id="moduledoc"> | 128 | ····<section·id="moduledoc"> |
| 129 | <p>Interface·functions·for·TLS·(Transport·Layer·Security) | 129 | <p>Interface·functions·for·TLS·(Transport·Layer·Security) |
| 130 | and·DTLS·(Datagram·Transport·Layer·Security).</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·application's·name·is·still·SSL·because·the·first·versions·of·the | 130 | and·DTLS·(Datagram·Transport·Layer·Security).</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·application's·name·is·still·SSL·because·the·first·versions·of·the |
| 131 | TLS·protocol·were·named·SSL·(Secure·Socket·Layer).·However,·no·version | 131 | TLS·protocol·were·named·SSL·(Secure·Socket·Layer).·However,·no·version |
| 132 | of·the·old·SSL·protocol·is·supported·by·this·application.</p></section><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ssl</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="6515749095-1">(</span><span·class="p"·data-group-id="6515749095-1">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">ssl</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id="6515749095-2">(</span><span·class="s">"google.com"</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">443</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6515749095-3">[</span><span·class="p"·data-group-id="6515749095-4">{</span><span·class="ss">verify</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">verify_peer</span><span·class="p"·data-group-id="6515749095-4">}</span><span·class="p">,</span><span·class="w"> | ||
| 133 | ····</span><span·class="p"·data-group-id="6515749095-5">{</span><span·class="ss">cacerts</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">public_key</span><span·class="p">:</span><span·class="nf">cacerts_get</span><span·class="p"·data-group-id="6515749095-6">(</span><span·class="p"·data-group-id="6515749095-6">)</span><span·class="p"·data-group-id="6515749095-5">}</span><span·class="p"·data-group-id="6515749095-3">]</span><span·class="p"·data-group-id="6515749095-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 134 | 132 | of·the·old·SSL·protocol·is·supported·by·this·application.</p></section><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ssl</span><span·class="p">:</span><span·class="nf">start</span[·...·truncated·by·diffoscope;·len:·770,·SHA:·b017b4330efe8d797795305eb6ab0c925e60fe1920d91a78734d2fa3327260f5·...·] | |
| 133 | ····</span><span·class="p"·data-group-id="9241336937-5">{</span><span·class="ss">cacerts</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">public_key</span><span·class="p">:</span><span·class="nf">cacerts_get</span><span·class="p"·data-group-id="9241336937-6">(</span><span·class="p"·data-group-id="9241336937-6">)</span><span·class="p"·data-group-id="9241336937-5">}</span><span·class="p"·data-group-id="9241336937-3">]</span><span·class="p"·data-group-id="9241336937-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 134 | </span><span·class="p"·data-group-id="9241336937-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="9241336937-8">{</span><span·class="ss">sslsocket</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9241336937-9">[</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="9241336937-9">]</span><span·class="p"·data-group-id="9241336937-8">}</span><span·class="p"·data-group-id="9241336937-7">}</span></code></pre><p>See·<a·href="using_ssl.html">Examples</a>·for·detailed·usage·and·more·examples·of | ||
| 135 | this·API.</p><p>Special·Erlang·node·configuration·for·the·application·can·be·found·in | 135 | this·API.</p><p>Special·Erlang·node·configuration·for·the·application·can·be·found·in |
| 136 | <a·href="ssl_app.html">SSL·Application</a>.</p> | 136 | <a·href="ssl_app.html">SSL·Application</a>.</p> |
| 137 | ····</section> | 137 | ····</section> |
| 138 | </div> | 138 | </div> |
| 139 | ··<section·id="summary"·class="details-list"> | 139 | ··<section·id="summary"·class="details-list"> |
| Offset 2465, 34 lines modified | Offset 2465, 34 lines modified | ||
| 2465 | from·the·cipher·suite.</p><p>In·TLS-1.2·a·somewhat·more·explicit·negotiation·is·made·possible·using·a·list·of | 2465 | from·the·cipher·suite.</p><p>In·TLS-1.2·a·somewhat·more·explicit·negotiation·is·made·possible·using·a·list·of |
| 2466 | <code·class="inline">{HashAlgo,·SignAlgo}</code>·tuples.</p><p>In·TLS-1.3,·these·algorithm·pairs·are·replaced·by·<a·href="#t:sign_scheme/0">signature | 2466 | <code·class="inline">{HashAlgo,·SignAlgo}</code>·tuples.</p><p>In·TLS-1.3,·these·algorithm·pairs·are·replaced·by·<a·href="#t:sign_scheme/0">signature |
| 2467 | schemes</a>·that·are·completely·decoupled·from·the | 2467 | schemes</a>·that·are·completely·decoupled·from·the |
| 2468 | cipher·suite.</p><p>Signature·algorithms·used·for·certificates·can·be·overridden·by·the | 2468 | cipher·suite.</p><p>Signature·algorithms·used·for·certificates·can·be·overridden·by·the |
| 2469 | <a·href="#t:sign_scheme/0">signature·schemes</a>·supplied·by·the | 2469 | <a·href="#t:sign_scheme/0">signature·schemes</a>·supplied·by·the |
| 2470 | <code·class="inline">signature_algs_cert</code>·option.</p><p>The·TLS-1.2·default·is·<code·class="inline">Default_TLS_12_Alg_Pairs</code>·interleaved·with | 2470 | <code·class="inline">signature_algs_cert</code>·option.</p><p>The·TLS-1.2·default·is·<code·class="inline">Default_TLS_12_Alg_Pairs</code>·interleaved·with |
| 2471 | <code·class="inline">rsa_pss_schemes</code>·since·ssl-11.0·(Erlang/OTP·25).·<code·class="inline">pss_pss</code>·is | 2471 | <code·class="inline">rsa_pss_schemes</code>·since·ssl-11.0·(Erlang/OTP·25).·<code·class="inline">pss_pss</code>·is |
| 2472 | preferred·over·<code·class="inline">pss_rsae</code>,·which·in·turn·is·preferred·over·<code·class="inline">rsa</code>.</p><p>The·list·for·<code·class="inline">Default_TLS_12_Alg_Pairs</code>·is·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8 | 2472 | preferred·over·<code·class="inline">pss_rsae</code>,·which·in·turn·is·preferred·over·<code·class="inline">rsa</code>.</p><p>The·list·for·<code·class="inline">Default_TLS_12_Alg_Pairs</code>·is·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8341781802-1">[</span><span·class="w"> |
| 2473 | </span><span·class="p"·data-group-id="8 | 2473 | </span><span·class="p"·data-group-id="8341781802-2">{</span><span·class="ss">sha512</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ecdsa</span><span·class="p"·data-group-id="8341781802-2">}</span><span·class="p">,</span><span·class="w"> |
| 2474 | </span><span·class="p"·data-group-id="8 | 2474 | </span><span·class="p"·data-group-id="8341781802-3">{</span><span·class="ss">sha512</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">rsa</span><span·class="p"·data-group-id="8341781802-3">}</span><span·class="p">,</span><span·class="w"> |
| 2475 | </span><span·class="p"·data-group-id="8 | 2475 | </span><span·class="p"·data-group-id="8341781802-4">{</span><span·class="ss">sha384</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ecdsa</span><span·class="p"·data-group-id="8341781802-4">}</span><span·class="p">,</span><span·class="w"> |
| 2476 | </span><span·class="p"·data-group-id="8 | 2476 | </span><span·class="p"·data-group-id="8341781802-5">{</span><span·class="ss">sha384</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">rsa</span><span·class="p"·data-group-id="8341781802-5">}</span><span·class="p">,</span><span·class="w"> |
| 2477 | </span><span·class="p"·data-group-id="8 | 2477 | </span><span·class="p"·data-group-id="8341781802-6">{</span><span·class="ss">sha256</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ecdsa</span><span·class="p"·data-group-id="8341781802-6">}</span><span·class="p">,</span><span·class="w"> |
| 2478 | </span><span·class="p"·data-group-id="8 | 2478 | </span><span·class="p"·data-group-id="8341781802-7">{</span><span·class="ss">sha256</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">rsa</span><span·class="p"·data-group-id="8341781802-7">}</span><span·class="w"> |
| 2479 | </span><span·class="p"·data-group-id="8 | 2479 | </span><span·class="p"·data-group-id="8341781802-1">]</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Change</h4><ul><li>Support·for·<code·class="inline">{md5,·rsa}</code>·was·removed·from·the·TLS-1.2·default·in |
| 2480 | ssl-8.0·(Erlang/OTP·22).</li><li>Support·for·<code·class="inline">{sha,·_}</code>·(SHA1)·and·<code·class="inline">{sha224,·_}</code>·was·removed | 2480 | ssl-8.0·(Erlang/OTP·22).</li><li>Support·for·<code·class="inline">{sha,·_}</code>·(SHA1)·and·<code·class="inline">{sha224,·_}</code>·was·removed |
| 2481 | from·the·TLS-1.2·default·in·ssl-11.0·(Erlang/OTP·26).</li></ul></section><p>The·list·for·<code·class="inline">rsa_pss_schemes</code>·is·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3 | 2481 | from·the·TLS-1.2·default·in·ssl-11.0·(Erlang/OTP·26).</li></ul></section><p>The·list·for·<code·class="inline">rsa_pss_schemes</code>·is·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1318116704-1">[</span><span·class="ss">rsa_pss_pss_sha512</span><span·class="p">,</span><span·class="w"> |
| 2482 | </span><span·class="ss">rsa_pss_pss_sha384</span><span·class="p">,</span><span·class="w"> | 2482 | </span><span·class="ss">rsa_pss_pss_sha384</span><span·class="p">,</span><span·class="w"> |
| 2483 | </span><span·class="ss">rsa_pss_pss_sha256</span><span·class="p">,</span><span·class="w"> | 2483 | </span><span·class="ss">rsa_pss_pss_sha256</span><span·class="p">,</span><span·class="w"> |
| 2484 | </span><span·class="ss">rsa_pss_rsae_sha512</span><span·class="p">,</span><span·class="w"> | 2484 | </span><span·class="ss">rsa_pss_rsae_sha512</span><span·class="p">,</span><span·class="w"> |
| 2485 | </span><span·class="ss">rsa_pss_rsae_sha384</span><span·class="p">,</span><span·class="w"> | 2485 | </span><span·class="ss">rsa_pss_rsae_sha384</span><span·class="p">,</span><span·class="w"> |
| 2486 | </span><span·class="ss">rsa_pss_rsae_sha256</span><span·class="p"·data-group-id="3 | 2486 | </span><span·class="ss">rsa_pss_rsae_sha256</span><span·class="p"·data-group-id="1318116704-1">]</span></code></pre><p>The·list·of·<code·class="inline">TLS_13_Legacy_Schemes</code>·is·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1839401173-1">[</span><span·class="w"> |
| 2487 | </span><span·class="c1">%%·Legacy·algorithms·only·applicable·to·certificate·signatures</span><span·class="w"> | 2487 | </span><span·class="c1">%%·Legacy·algorithms·only·applicable·to·certificate·signatures</span><span·class="w"> |
| 2488 | </span><span·class="ss">rsa_pkcs1_sha512</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%%·Corresponds·to·{sha512,·rsa}</span><span·class="w"> | 2488 | </span><span·class="ss">rsa_pkcs1_sha512</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%%·Corresponds·to·{sha512,·rsa}</span><span·class="w"> |
| 2489 | </span><span·class="ss">rsa_pkcs1_sha384</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%%·Corresponds·to·{sha384,·rsa}</span><span·class="w"> | 2489 | </span><span·class="ss">rsa_pkcs1_sha384</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%%·Corresponds·to·{sha384,·rsa}</span><span·class="w"> |
| 2490 | </span><span·class="ss">rsa_pkcs1_sha256</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%%·Corresponds·to·{sha256,·rsa}</span><span·class="w"> | 2490 | </span><span·class="ss">rsa_pkcs1_sha256</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%%·Corresponds·to·{sha256,·rsa}</span><span·class="w"> |
| 2491 | </span><span·class="p"·data-group-id=" | 2491 | </span><span·class="p"·data-group-id="1839401173-1">]</span></code></pre><p>The·list·of·<code·class="inline">Default_TLS_13_Schemes</code>·is·defined·as·follows:</p><pre><code·class="text">[ |
| 2492 | %%·EDDSA | 2492 | %%·EDDSA |
| 2493 | eddsa_ed25519, | 2493 | eddsa_ed25519, |
| 2494 | eddsa_ed448 | 2494 | eddsa_ed448 |
| 2495 | %%·ECDSA | 2495 | %%·ECDSA |
| 2496 | ecdsa_secp521r1_sha512, | 2496 | ecdsa_secp521r1_sha512, |
| 2497 | ecdsa_secp384r1_sha384, | 2497 | ecdsa_secp384r1_sha384, |
| Offset 2570, 16 lines modified | Offset 2570, 16 lines modified | ||
| 2570 | ······<div·class="specs"> | 2570 | ······<div·class="specs"> |
| 2571 | ··········<pre·translate="no"><span·class="attribute">-type</span>·anchor_fun()·::·fun().</pre> | 2571 | ··········<pre·translate="no"><span·class="attribute">-type</span>·anchor_fun()·::·fun().</pre> |
| 2572 | ······</div> | 2572 | ······</div> |
| 2573 | <p>Claim·an·intermediate·CA·in·the·chain·as·trusted.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="4802596640-1">(</span><span·class="n">Chain</span><span·class="p">:</span><span·class="p">:</span><span·class="p"·data-group-id="4802596640-2">[</span><span·class="nc">public_key</span><span·class="p">:</span><span·class="nf">der_encoded</span><span·class="p"·data-group-id="4802596640-3">(</span><span·class="p"·data-group-id="4802596640-3">)</span><span·class="p"·data-group-id="4802596640-2">]</span><span·class="p"·data-group-id="4802596640-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 2574 | 2573 | <p>Claim·an·intermediate·CA·in·the·chain·as·trusted.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="1980443875-1">(</span><span·class="n">Chain</span><span·class="p">:</span><span·class="p">:</s[·...·truncated·by·diffoscope;·len:·430,·SHA:·74f7f3fe72f51d5bb200f499a1b429f4f2827fe0c5b09f5d04ad88aff26f8db9·...·] | |
| 2574 | ······</span><span·class="p"·data-group-id="1980443875-4">{</span><span·class="ss">trusted_ca</span><span·class="p">,</span><span·class="w">·</span><span·class="n">DerCert</span><span·class="p">:</span><span·class="p">:</span><span·class="nc">public_key</span><span·class="p">:</span><span·class="nf">der_encoded</span><span·class="p"·data-group-id="1980443875-5">(</span><span·class="p"·data-group-id="1980443875-5">)</span><span·class="p"·data-group-id="1980443875-4">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">unknown_ca</span><span·class="p">.</span></code></pre><p>TLS·then·uses·<a·href="../../../../lib/public_key-1.17.1/doc/html/public_key.html#pkix_path_validation/3"><code·class="inline">public_key:pkix_path_validation/3</code></a>·with·the·selected·CA | ||
| 2575 | as·the·trusted·anchor·and·verifies·the·rest·of·the·chain.</p> | 2575 | as·the·trusted·anchor·and·verifies·the·rest·of·the·chain.</p> |
| 2576 | ··</section> | 2576 | ··</section> |
| 2577 | </section> | 2577 | </section> |
| 2578 | <section·class="detail"·id="t:cert_key_conf/0"> | 2578 | <section·class="detail"·id="t:cert_key_conf/0"> |
| 2579 | ··<div·class="detail-header"> | 2579 | ··<div·class="detail-header"> |
| 2580 | ····<a·href="#t:cert_key_conf/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> | 2580 | ····<a·href="#t:cert_key_conf/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> |
| Offset 3001, 15 lines modified | Offset 3001, 15 lines modified | ||
| 3001 | <a·href="#connect/3">connect/3,4</a>·unless·it·is·of·type·<a·href="../../../../lib/kernel-10.2.3/doc/html/inet.html#t:ip_address/0"><code·class="inline">inet:ip_address()</code></a>. | 3001 | <a·href="#connect/3">connect/3,4</a>·unless·it·is·of·type·<a·href="../../../../lib/kernel-10.2.3/doc/html/inet.html#t:ip_address/0"><code·class="inline">inet:ip_address()</code></a>. |
| 3002 | The·hostname·will·also·be·used·in·the·hostname·verification·of·the·peer | 3002 | The·hostname·will·also·be·used·in·the·hostname·verification·of·the·peer |
| 3003 | certificate·using·<a·href="../../../../lib/public_key-1.17.1/doc/html/public_key.html#pkix_verify_hostname/2"><code·class="inline">public_key:pkix_verify_hostname/2</code></a>. | 3003 | certificate·using·<a·href="../../../../lib/public_key-1.17.1/doc/html/public_key.html#pkix_verify_hostname/2"><code·class="inline">public_key:pkix_verify_hostname/2</code></a>. |
| 3004 | The·special·value·<code·class="inline">disable</code>·prevents·the·Server·Name·Indication·extension·from | 3004 | The·special·value·<code·class="inline">disable</code>·prevents·the·Server·Name·Indication·extension·from |
| 3005 | being·sent·and·disables·the·hostname·verification·check.</p></li><li><p><strong><code·class="inline">{customize_hostname_check,·HostNameCheckOpts}</code></strong>·-·Customization·option</p><p>Customizes·the·hostname·verification·of·the·peer·certificate,·as·various | 3005 | being·sent·and·disables·the·hostname·verification·check.</p></li><li><p><strong><code·class="inline">{customize_hostname_check,·HostNameCheckOpts}</code></strong>·-·Customization·option</p><p>Customizes·the·hostname·verification·of·the·peer·certificate,·as·various |
| 3006 | protocols·that·use·TLS,·such·as·HTTP·or·LDAP,·may·require·different·approaches.·For | 3006 | protocols·that·use·TLS,·such·as·HTTP·or·LDAP,·may·require·different·approaches.·For |
| 3007 | example,·here·is·how·to·use·standard·hostname·checking·for·HTTPS·implemented·in | 3007 | example,·here·is·how·to·use·standard·hostname·checking·for·HTTPS·implemented·in |
| 3008 | <a·href="../../../../lib/public_key-1.17.1/doc/html/public_key_app.html">Public_Key</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 3008 | <a·href="../../../../lib/public_key-1.17.1/doc/html/public_key_app.html">Public_Key</a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7554797292-1">{</span><span·class="ss">customize_hostname_check</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7554797292-2">[</span><span·class="p"·data-group-id="7554797292-3">{</span><span·class="ss">match_fun</span[·...·truncated·by·diffoscope;·len:·443,·SHA:·ba516cc26355a9ff29f49f48cf006ccda18eff6ce75c634cd17702667861bd75·...·]-1">}</span></code></pre><p>For·futher·description·of·the·customize·options,·see |
| 3009 | <a·href="../../../../lib/public_key-1.17.1/doc/html/public_key.html#pkix_verify_hostname/3"><code·class="inline">public_key:pkix_verify_hostname/3</code></a>.</p></li><li><p><strong><code·class="inline">{client_certificate_authorities,·UseCertAuth}</code></strong>·-·Inter-op·hint·option</p><p>If·<code·class="inline">UseCertAuth</code>·is·set·to·<code·class="inline">true</code>,·sends·the·certificate·authorities | 3009 | <a·href="../../../../lib/public_key-1.17.1/doc/html/public_key.html#pkix_verify_hostname/3"><code·class="inline">public_key:pkix_verify_hostname/3</code></a>.</p></li><li><p><strong><code·class="inline">{client_certificate_authorities,·UseCertAuth}</code></strong>·-·Inter-op·hint·option</p><p>If·<code·class="inline">UseCertAuth</code>·is·set·to·<code·class="inline">true</code>,·sends·the·certificate·authorities |
| 3010 | extension·in·the·TLS-1.3·client·hello.·The·default·is·<code·class="inline">false</code>.·Note | 3010 | extension·in·the·TLS-1.3·client·hello.·The·default·is·<code·class="inline">false</code>.·Note |
| 3011 | that·setting·<code·class="inline">UseCertAuth</code>·to·<code·class="inline">true</code>·can·result·in·a·significant | 3011 | that·setting·<code·class="inline">UseCertAuth</code>·to·<code·class="inline">true</code>·can·result·in·a·significant |
| 3012 | overhead·if·there·exists·many·trusted·CA·certificates.·(Since | 3012 | overhead·if·there·exists·many·trusted·CA·certificates.·(Since |
| 3013 | Erlang/OTP·24.3.)</p></li><li><p><strong><code·class="inline">{stapling,·Stapling}</code></strong>·-·Certificate·revocation·check·option</p><p>If·<code·class="inline">Stapling</code>·is·atom·<code·class="inline">staple</code>·or·a·map,·OCSP·stapling·will·be | 3013 | Erlang/OTP·24.3.)</p></li><li><p><strong><code·class="inline">{stapling,·Stapling}</code></strong>·-·Certificate·revocation·check·option</p><p>If·<code·class="inline">Stapling</code>·is·atom·<code·class="inline">staple</code>·or·a·map,·OCSP·stapling·will·be |
| 3014 | enabled,·meaning·that·an·extension·of·type·"status_request"·will·be | 3014 | enabled,·meaning·that·an·extension·of·type·"status_request"·will·be |
| 3015 | included·in·the·client·hello·to·indicate·the·desire·to·receive | 3015 | included·in·the·client·hello·to·indicate·the·desire·to·receive |
| Offset 3139, 25 lines modified | Offset 3139, 25 lines modified | ||
| 3139 | ··········{early_data,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()}·| | 3139 | ··········{early_data,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()}·| |
| 3140 | ··········{middlebox_comp_mode,·MiddleBoxMode·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()}.</pre> | 3140 | ··········{middlebox_comp_mode,·MiddleBoxMode·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()}.</pre> |
| 3141 | ······</div> | 3141 | ······</div> |
| 3142 | <p>Options·only·relevant·for·TLS-1.3.</p><ul><li><p><strong><code·class="inline">{session_tickets,·SessionTickets}</code></strong>·-·Use·of·session·tickets</p><p>Configures·the·session·ticket·functionality.·Allowed·values·are·<code·class="inline">disabled</code>, | 3142 | <p>Options·only·relevant·for·TLS-1.3.</p><ul><li><p><strong><code·class="inline">{session_tickets,·SessionTickets}</code></strong>·-·Use·of·session·tickets</p><p>Configures·the·session·ticket·functionality.·Allowed·values·are·<code·class="inline">disabled</code>, |
| 3143 | <code·class="inline">manual</code>,·and·<code·class="inline">auto</code>.·If·it·is·set·to·<code·class="inline">manual</code>·the·client·will·send·the·ticket | 3143 | <code·class="inline">manual</code>,·and·<code·class="inline">auto</code>.·If·it·is·set·to·<code·class="inline">manual</code>·the·client·will·send·the·ticket |
| 3144 | information·to·user·process·in·a·3-tuple:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 3144 | information·to·user·process·in·a·3-tuple:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3834942150-1">{</span><span·class="ss">ssl</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">session_ticket</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3834942150-2">{</span><span·class="n">SNI<[·...·truncated·by·diffoscope;·len:·181,·SHA:·3e87e88f67774370ff93cccff428d1d1b18ed27ed4768ed254d7beb9daeaa242·...·]-1">}</span></code></pre><p>where·<code·class="inline">SNI</code>·is·the·ServerNameIndication·and·<code·class="inline">TicketData</code>·is·the·extended·ticket |
| 3145 | data·that·can·be·used·in·subsequent·session·resumptions.</p><p>If·it·is·set·to·<code·class="inline">auto</code>,·the·client·automatically·handles·received·tickets·and | 3145 | data·that·can·be·used·in·subsequent·session·resumptions.</p><p>If·it·is·set·to·<code·class="inline">auto</code>,·the·client·automatically·handles·received·tickets·and |
| 3146 | tries·to·use·them·when·making·new·TLS·connections·(session·resumption·with | 3146 | tries·to·use·them·when·making·new·TLS·connections·(session·resumption·with |
| 3147 | pre-shared·keys).</p><p>Ticket·lifetime,·the·number·of·tickets·sent·by·the·server,·and·the | 3147 | pre-shared·keys).</p><p>Ticket·lifetime,·the·number·of·tickets·sent·by·the·server,·and·the |
| 3148 | maximum·number·of·tickets·stored·by·the·server·in·stateful·mode·are·configured | 3148 | maximum·number·of·tickets·stored·by·the·server·in·stateful·mode·are·configured |
| 3149 | by·<a·href="ssl_app.html#configuration">application·variables</a>.</p><p>See·also | 3149 | by·<a·href="ssl_app.html#configuration">application·variables</a>.</p><p>See·also |
| 3150 | <a·href="using_ssl.html#session-tickets-and-session-resumption-in-tls-1-3">SSL·User's·Guide,·Session·Tickets·and·Session·Resumption·in·TLS·1.3</a>.</p></li><li><p><strong><code·class="inline">{use_ticket,·Tickets}</code></strong></p><p>Configures·the·session·tickets·to·be·used·for·session·resumption.·It·is·a | 3150 | <a·href="using_ssl.html#session-tickets-and-session-resumption-in-tls-1-3">SSL·User's·Guide,·Session·Tickets·and·Session·Resumption·in·TLS·1.3</a>.</p></li><li><p><strong><code·class="inline">{use_ticket,·Tickets}</code></strong></p><p>Configures·the·session·tickets·to·be·used·for·session·resumption.·It·is·a |
| 3151 | mandatory·option·in·<code·class="inline">manual</code>·mode·(<code·class="inline">{session_tickets,·manual}</code>).</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Session·tickets·are·only·sent·to·the·user·if·option·<code·class="inline">session_tickets</code>·is·set·to | 3151 | mandatory·option·in·<code·class="inline">manual</code>·mode·(<code·class="inline">{session_tickets,·manual}</code>).</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Session·tickets·are·only·sent·to·the·user·if·option·<code·class="inline">session_tickets</code>·is·set·to |
| 3152 | <code·class="inline">manual</code></p><p>This·option·is·supported·by·TLS-1.3.·See·also | 3152 | <code·class="inline">manual</code></p><p>This·option·is·supported·by·TLS-1.3.·See·also |
| 3153 | <a·href="using_ssl.html#session-tickets-and-session-resumption-in-tls-1-3">SSL·User's·Guide,·Session·Tickets·and·Session·Resumption·in·TLS·1.3</a>.</p></section></li><li><p><strong><code·class="inline">{early_data,·EarlyData}</code></strong></p><p>Configures·the·early·data·to·be·sent·by·the·client.</p><p>To·verify·that·the·server·has·the·intention·to·process·the·early | 3153 | <a·href="using_ssl.html#session-tickets-and-session-resumption-in-tls-1-3">SSL·User's·Guide,·Session·Tickets·and·Session·Resumption·in·TLS·1.3</a>.</p></section></li><li><p><strong><code·class="inline">{early_data,·EarlyData}</code></strong></p><p>Configures·the·early·data·to·be·sent·by·the·client.</p><p>To·verify·that·the·server·has·the·intention·to·process·the·early |
| 3154 | data,·the·following·tuple·is·sent·to·the·user·process:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 3154 | data,·the·following·tuple·is·sent·to·the·user·process:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7151935581-1">{</span><span·class="ss">ssl</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SslSocket</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7151935581-2">{</span><span·class="ss">early_dat[·...·truncated·by·diffoscope;·len:·178,·SHA:·384592b508c60d728680a487ad9958ced5c9147fe2d177ff175a14f5f1f18de8·...·]1-1">}</span></code></pre><p>where·<code·class="inline">Result</code>·is·either·<code·class="inline">accepted</code>·or·<code·class="inline">rejected</code>.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>It·is·the·responsibility·of·the·user·to·handle·rejected·<code·class="inline">EarlyData</code>·and·to |
| 3155 | resend·when·appropriate.</p></section></li><li><p><strong><code·class="inline">{middlebox_comp_mode,·MiddleBoxMode}</code></strong></p><p>Configures·the·middlebox·compatibility·mode·for·a·TLS-1.3·connection.</p><p>A·significant·number·of·middleboxes·misbehave·when·a·TLS-1.3 | 3155 | resend·when·appropriate.</p></section></li><li><p><strong><code·class="inline">{middlebox_comp_mode,·MiddleBoxMode}</code></strong></p><p>Configures·the·middlebox·compatibility·mode·for·a·TLS-1.3·connection.</p><p>A·significant·number·of·middleboxes·misbehave·when·a·TLS-1.3 |
| 3156 | connection·is·negotiated.·Implementations·can·increase·the·chance·of | 3156 | connection·is·negotiated.·Implementations·can·increase·the·chance·of |
| 3157 | making·connections·through·those·middleboxes·by·adapting·the·TLS-1.3 | 3157 | making·connections·through·those·middleboxes·by·adapting·the·TLS-1.3 |
| 3158 | handshake·to·resemble·that·of·a·TLS-1.2·handshake.</p><p>The·middlebox·compatibility·mode·is·enabled·(<code·class="inline">true</code>)·by·default.</p></li></ul> | 3158 | handshake·to·resemble·that·of·a·TLS-1.2·handshake.</p><p>The·middlebox·compatibility·mode·is·enabled·(<code·class="inline">true</code>)·by·default.</p></li></ul> |
| 3159 | ··</section> | 3159 | ··</section> |
| 3160 | </section> | 3160 | </section> |
| Offset 3559, 28 lines modified | Offset 3559, 28 lines modified | ||
| 3559 | and·key·options.·For·examples,·see·the·<a·href="using_ssl.html">User's·Guide</a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p><code·class="inline">eddsa</code>·certificates·are·only·supported·by·TLS-1.3·implementations·that·do·not·support·<code·class="inline">dsa</code> | 3559 | and·key·options.·For·examples,·see·the·<a·href="using_ssl.html">User's·Guide</a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p><code·class="inline">eddsa</code>·certificates·are·only·supported·by·TLS-1.3·implementations·that·do·not·support·<code·class="inline">dsa</code> |
| 3560 | certificates.·<code·class="inline">rsa_pss_pss</code>·(RSA·certificates·using·Probabilistic·Signature | 3560 | certificates.·<code·class="inline">rsa_pss_pss</code>·(RSA·certificates·using·Probabilistic·Signature |
| 3561 | Scheme)·are·supported·in·TLS-1.2·and·TLS-1.3,·but·some·TLS-1.2·implementations | 3561 | Scheme)·are·supported·in·TLS-1.2·and·TLS-1.3,·but·some·TLS-1.2·implementations |
| 3562 | do·not·support·<code·class="inline">rsa_pss_pss</code>.</p></section></li><li><p><strong><code·class="inline">{depth,·AllowedCertChainLen}</code></strong>·-·Limits·the·accepted·number·of·certificates·in·the·certificate·chain.</p><p>Maximum·number·of·non-self-issued·intermediate·certificates·that·can·follow·the | 3562 | do·not·support·<code·class="inline">rsa_pss_pss</code>.</p></section></li><li><p><strong><code·class="inline">{depth,·AllowedCertChainLen}</code></strong>·-·Limits·the·accepted·number·of·certificates·in·the·certificate·chain.</p><p>Maximum·number·of·non-self-issued·intermediate·certificates·that·can·follow·the |
| 3563 | peer·certificate·in·a·valid·certification·path.·So,·if·depth·is·0·the·PEER·must | 3563 | peer·certificate·in·a·valid·certification·path.·So,·if·depth·is·0·the·PEER·must |
| 3564 | be·signed·by·the·trusted·ROOT-CA·directly;·if·1·the·path·can·be·PEER,·CA, | 3564 | be·signed·by·the·trusted·ROOT-CA·directly;·if·1·the·path·can·be·PEER,·CA, |
| 3565 | ROOT-CA;·if·2·the·path·can·be·PEER,·CA,·CA,·ROOT-CA,·and·so·on.·The·default | 3565 | ROOT-CA;·if·2·the·path·can·be·PEER,·CA,·CA,·ROOT-CA,·and·so·on.·The·default |
| 3566 | value·is·10.·Used·to·mitigate·DoS·attack·possibilities.</p></li><li><p><strong><code·class="inline">{verify_fun,·Verify}</code></strong>·-·Customize·certificate·path·validation</p><p>The·verification·fun·is·to·be·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id=" | 3566 | value·is·10.·Used·to·mitigate·DoS·attack·possibilities.</p></li><li><p><strong><code·class="inline">{verify_fun,·Verify}</code></strong>·-·Customize·certificate·path·validation</p><p>The·verification·fun·is·to·be·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="3764117583-1">(</span><span·class="n">OtpCert</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">'OTPCertificate'</span><span·class="p"·data-group-id="37641[·...·truncated·by·diffoscope;·len:·57,·SHA:·9e0e0b118b6122b5ed10750206e8fb6c50373ef9291ee81f0c20e6c66af4b42e·...·]3-2">}</span><span·class="p">,</span><span·class="w"> |
| 3567 | ····</span><span·class="n">Event</span><span·class="p">,</span><span·class="w">·</span><span·class="n">InitialUserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 3567 | ····</span><span·class="n">Event</span><span·class="p">,</span><span·class="w">·</span><span·class="n">InitialUserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="3764117583-3">(</span><span·class="p"·data-group-id="3764117583-3">)</span><span·class="p"·data-group-id="3764117583-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 3568 | ··</span><span·class="p"·data-group-id=" | 3568 | ··</span><span·class="p"·data-group-id="3764117583-4">{</span><span·class="ss">valid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">UserState</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><[·...·truncated·by·diffoscope;·len:·145,·SHA:·d48a5d8287842f7f3280281fa5542733627645b0bf3d449d7e6c8cbe61830059·...·]3-4">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 3569 | ··</span><span·class="p"·data-group-id=" | 3569 | ··</span><span·class="p"·data-group-id="3764117583-6">{</span><span·class="ss">fail</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span[·...·truncated·by·diffoscope;·len:·660,·SHA:·caec9c94c8342406eb7a73d827ea1b1de8996cb21d4d35fb2cb60c4c01cd8cbe·...·]3-8">}</span><span·class="p">.</span><span·class="w"> |
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| Offset 273, 15 lines modified | Offset 273, 15 lines modified | ||
| 273 | ······<p·class="built-using"> | 273 | ······<p·class="built-using"> |
| 274 | ········Built·using | 274 | ········Built·using |
| 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 275 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 276 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 277 | ······</p> | 277 | ······</p> |
| 278 | <p>Copyright·©·1996-202 | 278 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 279 | ····</footer> | 279 | ····</footer> |
| 280 | ··</div> | 280 | ··</div> |
| 281 | </main> | 281 | </main> |
| 282 | </div> | 282 | </div> |
| 283 | <script> | 283 | <script> |
| 284 | ··function·mermaidLoaded()·{ | 284 | ··function·mermaidLoaded()·{ |
| 285 | ····mermaid.initialize({ | 285 | ····mermaid.initialize({ |
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| 357 | ······<p·class="built-using"> | 357 | ······<p·class="built-using"> |
| 358 | ········Built·using | 358 | ········Built·using |
| 359 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 359 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 360 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 360 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 361 | ······</p> | 361 | ······</p> |
| 362 | <p>Copyright·©·1996-202 | 362 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 363 | ····</footer> | 363 | ····</footer> |
| 364 | ··</div> | 364 | ··</div> |
| 365 | </main> | 365 | </main> |
| 366 | </div> | 366 | </div> |
| 367 | <script> | 367 | <script> |
| 368 | ··function·mermaidLoaded()·{ | 368 | ··function·mermaidLoaded()·{ |
| 369 | ····mermaid.initialize({ | 369 | ····mermaid.initialize({ |
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| 512 | ······<p·class="built-using"> | 512 | ······<p·class="built-using"> |
| 513 | ········Built·using | 513 | ········Built·using |
| 514 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 514 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 515 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 515 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 516 | ······</p> | 516 | ······</p> |
| 517 | <p>Copyright·©·1996-202 | 517 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 518 | ····</footer> | 518 | ····</footer> |
| 519 | ··</div> | 519 | ··</div> |
| 520 | </main> | 520 | </main> |
| 521 | </div> | 521 | </div> |
| 522 | <script> | 522 | <script> |
| 523 | ··function·mermaidLoaded()·{ | 523 | ··function·mermaidLoaded()·{ |
| 524 | ····mermaid.initialize({ | 524 | ····mermaid.initialize({ |
| Offset 143, 22 lines modified | Offset 143, 22 lines modified | ||
| 143 | </h2> | 143 | </h2> |
| 144 | <p>Boot·scripts·are·built·using·the·<code·class="inline">systools</code>·utility·in·the·SASL·application.·For | 144 | <p>Boot·scripts·are·built·using·the·<code·class="inline">systools</code>·utility·in·the·SASL·application.·For |
| 145 | more·information·on·<code·class="inline">systools</code>,·see·the·SASL·documentation.·This·is·only·an | 145 | more·information·on·<code·class="inline">systools</code>,·see·the·SASL·documentation.·This·is·only·an |
| 146 | example·of·what·can·be·done.</p><p>The·simplest·boot·script·possible·includes·only·the·Kernel·and·STDLIB | 146 | example·of·what·can·be·done.</p><p>The·simplest·boot·script·possible·includes·only·the·Kernel·and·STDLIB |
| 147 | applications.·Such·a·script·is·located·in·the·<code·class="inline">bin</code>·directory·of·the·Erlang | 147 | applications.·Such·a·script·is·located·in·the·<code·class="inline">bin</code>·directory·of·the·Erlang |
| 148 | distribution.·The·source·for·the·script·is·found·under·the·Erlang·installation | 148 | distribution.·The·source·for·the·script·is·found·under·the·Erlang·installation |
| 149 | top·directory·under·<code·class="inline">releases/<OTP·version>/start_clean.rel</code>.</p><p>Do·the·following:</p><ul><li>Copy·that·script·to·another·location·(and·preferably·another·name).</li><li>Add·the·applications·Crypto,·Public·Key,·and·SSL·with·their·current·version | 149 | top·directory·under·<code·class="inline">releases/<OTP·version>/start_clean.rel</code>.</p><p>Do·the·following:</p><ul><li>Copy·that·script·to·another·location·(and·preferably·another·name).</li><li>Add·the·applications·Crypto,·Public·Key,·and·SSL·with·their·current·version |
| 150 | numbers·after·the·STDLIB·application.</li></ul><p>The·following·shows·an·example·<code·class="inline">.rel</code>·file·with·TLS·added:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id=" | 150 | numbers·after·the·STDLIB·application.</li></ul><p>The·following·shows·an·example·<code·class="inline">.rel</code>·file·with·TLS·added:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="p"·data-group-id="0964191338-1">{</span><span·class="ss">release</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0964191338-2">{</span><span·class="s">"OTP··APN·181·01"</span><span·class="p">,</span><span·class="s">"R15A&q[·...·truncated·by·diffoscope;·len:·320,·SHA:·83054fca96c640d58d3089ca330f4983e3890b651d48884aebfb578d4cdad1a5·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 151 | ······</span><span·class="p"·data-group-id=" | 151 | ······</span><span·class="p"·data-group-id="0964191338-4">[</span><span·class="p"·data-group-id="0964191338-5">{</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="s">"2.15"</span><span·class="p"·data-group-id="0964191338-5">}</span><span·class="p">,</span><span·class="w"> |
| 152 | ······</span><span·class="p"·data-group-id=" | 152 | ······</span><span·class="p"·data-group-id="0964191338-6">{</span><span·class="ss">stdlib</span><span·class="p">,</span><span·class="s">"1.18"</span><span·class="p"·data-group-id="0964191338-6">}</span><span·class="p">,</span><span·class="w"> |
| 153 | ······</span><span·class="p"·data-group-id=" | 153 | ······</span><span·class="p"·data-group-id="0964191338-7">{</span><span·class="ss">crypto</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"2.0.3"</span><span·class="p"·data-group-id="0964191338-7">}</span><span·class="p">,</span><span·class="w"> |
| 154 | ······</span><span·class="p"·data-group-id=" | 154 | ······</span><span·class="p"·data-group-id="0964191338-8">{</span><span·class="ss">public_key</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"0.12"</span><span·class="p"·data-group-id="0964191338-8">}</span><span·class="p">,</span><span·class="w"> |
| 155 | ······</span><span·class="p"·data-group-id=" | 155 | ······</span><span·class="p"·data-group-id="0964191338-9">{</span><span·class="ss">asn1</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"4.0"</span><span·class="p"·data-group-id="0964191338-9">}</span><span·class="p">,</span><span·class="w"> |
| 156 | ······</span><span·class="p"·data-group-id=" | 156 | ······</span><span·class="p"·data-group-id="0964191338-10">{</span><span·class="ss">ssl</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"5.0"</span><span·class="p"·data-group-id="0964191338-10">}</span><span·class="w"> |
| 157 | ······</span><span·class="p"·data-group-id=" | 157 | ······</span><span·class="p"·data-group-id="0964191338-4">]</span><span·class="p"·data-group-id="0964191338-1">}</span><span·class="p">.</span></code></pre><p>The·version·numbers·differ·in·your·system.·Whenever·one·of·the·applications |
| 158 | included·in·the·script·is·upgraded,·change·the·script.</p><p>Do·the·following:</p><ul><li><p>Build·the·boot·script.</p><p>Assuming·the·<code·class="inline">.rel·file</code>·is·stored·in·a·file·<code·class="inline">start_ssl.rel</code>·in·the·current | 158 | included·in·the·script·is·upgraded,·change·the·script.</p><p>Do·the·following:</p><ul><li><p>Build·the·boot·script.</p><p>Assuming·the·<code·class="inline">.rel·file</code>·is·stored·in·a·file·<code·class="inline">start_ssl.rel</code>·in·the·current |
| 159 | directory,·a·boot·script·can·be·built·as·follows:</p></li></ul><pre><code·class="text">···1>·systools:make_script("start_ssl",[]).</code></pre><p>There·is·now·a·<code·class="inline">start_ssl.boot</code>·file·in·the·current·directory.</p><p>Do·the·following:</p><ul><li>Test·the·boot·script.·To·do·this,·start·Erlang·with·the·<code·class="inline">-boot</code>·command-line | 159 | directory,·a·boot·script·can·be·built·as·follows:</p></li></ul><pre><code·class="text">···1>·systools:make_script("start_ssl",[]).</code></pre><p>There·is·now·a·<code·class="inline">start_ssl.boot</code>·file·in·the·current·directory.</p><p>Do·the·following:</p><ul><li>Test·the·boot·script.·To·do·this,·start·Erlang·with·the·<code·class="inline">-boot</code>·command-line |
| 160 | parameter·specifying·this·boot·script·(with·its·full·path,·but·without·the | 160 | parameter·specifying·this·boot·script·(with·its·full·path,·but·without·the |
| 161 | <code·class="inline">.boot</code>·suffix).·In·UNIX·it·can·look·as·follows:</li></ul><pre><code·class="text">$·erl·-boot·/home/me/ssl/start_ssl | 161 | <code·class="inline">.boot</code>·suffix).·In·UNIX·it·can·look·as·follows:</li></ul><pre><code·class="text">$·erl·-boot·/home/me/ssl/start_ssl |
| 162 | Erlang·(BEAM)·emulator·version·5.0 | 162 | Erlang·(BEAM)·emulator·version·5.0 |
| 163 | Eshell·V5.0··(abort·with·^G) | 163 | Eshell·V5.0··(abort·with·^G) |
| Offset 197, 18 lines modified | Offset 197, 18 lines modified | ||
| 197 | function·body·cannot·be·compiled·when·consulting·a·file.·Also·the·encoding | 197 | function·body·cannot·be·compiled·when·consulting·a·file.·Also·the·encoding |
| 198 | of·the·file·can·be·specified·as·defined·by·module·<a·href="../../../../lib/stdlib-6.2.1/doc/html/epp.html"><code·class="inline">epp</code></a>.</p></section><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>Do·not·tamper·with·the·socket·options·<code·class="inline">list</code>,·<code·class="inline">binary</code>,·<code·class="inline">active</code>,·<code·class="inline">packet</code>, | 198 | of·the·file·can·be·specified·as·defined·by·module·<a·href="../../../../lib/stdlib-6.2.1/doc/html/epp.html"><code·class="inline">epp</code></a>.</p></section><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>Do·not·tamper·with·the·socket·options·<code·class="inline">list</code>,·<code·class="inline">binary</code>,·<code·class="inline">active</code>,·<code·class="inline">packet</code>, |
| 199 | <code·class="inline">nodelay</code>·and·<code·class="inline">deliver</code>·since·they·are·used·by·the·distribution·protocol·handler | 199 | <code·class="inline">nodelay</code>·and·<code·class="inline">deliver</code>·since·they·are·used·by·the·distribution·protocol·handler |
| 200 | itself.·Other·raw·socket·options·such·as·<code·class="inline">packet_size</code>·may·interfere·severely, | 200 | itself.·Other·raw·socket·options·such·as·<code·class="inline">packet_size</code>·may·interfere·severely, |
| 201 | so·beware!</p></section><p>For·TLS·to·work,·at·least·a·public·key·and·a·certificate·must·be·specified·for | 201 | so·beware!</p></section><p>For·TLS·to·work,·at·least·a·public·key·and·a·certificate·must·be·specified·for |
| 202 | the·server·side·and·the·client·needs·to·specify·CAs·that·it·trusts·(client·certification | 202 | the·server·side·and·the·client·needs·to·specify·CAs·that·it·trusts·(client·certification |
| 203 | is·optional·and·requires·more·configuration).</p><p>In·the·following·example·(to·keep·it·simple),·the·PEM·file·<code·class="inline">"/home/me/ssl/erlserver.pem"</code> | 203 | is·optional·and·requires·more·configuration).</p><p>In·the·following·example·(to·keep·it·simple),·the·PEM·file·<code·class="inline">"/home/me/ssl/erlserver.pem"</code> |
| 204 | contains·both·the·server·certificate·and·its·private·key·.</p><p>Create·a·file·named·for·example·<code·class="inline">"/home/me/ssl/ssl_test@myhost.conf"</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6 | 204 | contains·both·the·server·certificate·and·its·private·key·.</p><p>Create·a·file·named·for·example·<code·class="inline">"/home/me/ssl/ssl_test@myhost.conf"</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6183558505-1">[</span><span·class="p"·data-group-id="6183558505-2">{</span><span·class="ss">server</span><span·class="p">,</span><span·class="w"> |
| 205 | ··</span><span·class="p"·data-group-id="6 | 205 | ··</span><span·class="p"·data-group-id="6183558505-3">[</span><span·class="p"·data-group-id="6183558505-4">{</span><span·class="ss">certfile</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/home/me/ssl/erlserver.pem"</span><span·class="p"·data-group-id="6183558505[·...·truncated·by·diffoscope;·len:·106,·SHA:·aee9f48705618d7e04a622f3a13c75cd8db12e8bec9773e6616a007055589493·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 206 | ·</span><span·class="p"·data-group-id="6 | 206 | ·</span><span·class="p"·data-group-id="6183558505-5">{</span><span·class="ss">client</span><span·class="p">,</span><span·class="w"> |
| 207 | ··</span><span·class="p"·data-group-id="6 | 207 | ··</span><span·class="p"·data-group-id="6183558505-6">[</span><span·class="p"·data-group-id="6183558505-7">{</span><span·class="ss">cacertfile</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"/home/me/ssl/client_trusted.pem"</span><span·class="p"·data-group-id="618[·...·truncated·by·diffoscope;·len:·166,·SHA:·6bb4a85abe9101856719320e869175778e0862a291c8530b00525be865f16b2c·...·]-1">]</span><span·class="p">.</span></code></pre><p>And·then·start·the·node·like·this·(line·breaks·in·the·command·are·for |
| 208 | readability,·and·shall·not·be·there·when·typed):</p><pre><code·class="text">$·erl·-boot·/home/me/ssl/start_ssl·-proto_dist·inet_tls | 208 | readability,·and·shall·not·be·there·when·typed):</p><pre><code·class="text">$·erl·-boot·/home/me/ssl/start_ssl·-proto_dist·inet_tls |
| 209 | ··-ssl_dist_optfile·"/home/me/ssl/ssl_test@myhost.conf" | 209 | ··-ssl_dist_optfile·"/home/me/ssl/ssl_test@myhost.conf" |
| 210 | ··-sname·ssl_test</code></pre><p>The·options·in·the·<code·class="inline">{server,·Opts}</code>·tuple·are·used·when·calling | 210 | ··-sname·ssl_test</code></pre><p>The·options·in·the·<code·class="inline">{server,·Opts}</code>·tuple·are·used·when·calling |
| 211 | <a·href="ssl.html#handshake/3"><code·class="inline">ssl:handshake/3</code></a>,·and·the·options·in·the·<code·class="inline">{client,·Opts}</code>·tuple·are·used·when | 211 | <a·href="ssl.html#handshake/3"><code·class="inline">ssl:handshake/3</code></a>,·and·the·options·in·the·<code·class="inline">{client,·Opts}</code>·tuple·are·used·when |
| 212 | calling·<a·href="ssl.html#connect/4"><code·class="inline">ssl:connect/4</code></a>.</p><p>For·the·client,·the·option·<code·class="inline">{server_name_indication,·atom_to_list(TargetNode)}</code> | 212 | calling·<a·href="ssl.html#connect/4"><code·class="inline">ssl:connect/4</code></a>.</p><p>For·the·client,·the·option·<code·class="inline">{server_name_indication,·atom_to_list(TargetNode)}</code> |
| 213 | is·added·when·connecting.·This·makes·it·possible·to·use·the·client·option | 213 | is·added·when·connecting.·This·makes·it·possible·to·use·the·client·option |
| 214 | <code·class="inline">{verify,·verify_peer}</code>,·and·the·client·will·verify·that·the·certificate·matches | 214 | <code·class="inline">{verify,·verify_peer}</code>,·and·the·client·will·verify·that·the·certificate·matches |
| Offset 270, 27 lines modified | Offset 270, 27 lines modified | ||
| 270 | in·that·variable·and·are·then·interpreted·as·command-line·arguments·for·all | 270 | in·that·variable·and·are·then·interpreted·as·command-line·arguments·for·all |
| 271 | subsequent·invocations·of·Erlang.</p><p>In·a·Unix·(Bourne)·shell,·it·can·look·as·follows·(line·breaks·are·for | 271 | subsequent·invocations·of·Erlang.</p><p>In·a·Unix·(Bourne)·shell,·it·can·look·as·follows·(line·breaks·are·for |
| 272 | readability,·they·are·not·to·be·there·when·typed):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="n">ERL_FLAGS</span><span·class="o">=</span><span·class="s">"-boot·/home/me/ssl/start_ssl·-proto_dist·inet_tls | 272 | readability,·they·are·not·to·be·there·when·typed):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="n">ERL_FLAGS</span><span·class="o">=</span><span·class="s">"-boot·/home/me/ssl/start_ssl·-proto_dist·inet_tls |
| 273 | ··-ssl_dist_opt·server_certfile·/home/me/ssl/erlserver.pem | 273 | ··-ssl_dist_opt·server_certfile·/home/me/ssl/erlserver.pem |
| 274 | ··-ssl_dist_opt·server_secure_renegotiate·true·client_secure_renegotiate·true"</span><span·class="w"> | 274 | ··-ssl_dist_opt·server_secure_renegotiate·true·client_secure_renegotiate·true"</span><span·class="w"> |
| 275 | </span><span·class="sc">$·</span><span·class="ss">export</span><span·class="w">·</span><span·class="n">ERL_FLAGS</span><span·class="w"> | 275 | </span><span·class="sc">$·</span><span·class="ss">export</span><span·class="w">·</span><span·class="n">ERL_FLAGS</span><span·class="w"> |
| 276 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">sname</span><span·class="w">·</span><span·class="ss">ssl_test</span><span·class="w"> | 276 | </span><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">sname</span><span·class="w">·</span><span·class="ss">ssl_test</span><span·class="w"> |
| 277 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="p"·data-group-id=" | 277 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="p"·data-group-id="2930481173-1">(</span><span·class="n">BEAM</span><span·class="p"·data-group-id="2930481173-1">)</span><span·class="w">·</span><span·class="ss">emulator</span><span·class="w">·</span><span·class="ss">version</span><span·class="w">·</span><span·class="mf">5.[·...·truncated·by·diffoscope;·len:·156,·SHA:·8eeaf72b489ce19d10104a36d5aa56a8670dcaa5a712e69f0cad96a16e0d5f3b·...·]-2">]</span><span·class="w"> |
| 278 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mi">0</span><span·class="w">··</span><span·class="p"·data-group-id=" | 278 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mi">0</span><span·class="w">··</span><span·class="p"·data-group-id="2930481173-3">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="2930481173-3">)</span><span·class="gp·unselectable"> |
| 279 | (ssl_test@myhost)1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_arguments</span><span·class="p"·data-group-id=" | 279 | (ssl_test@myhost)1>·</span><span·class="nc">init</span><span·class="p">:</span><span·class="nf">get_arguments</span><span·class="p"·data-group-id="2930481173-4">(</span><span·class="p"·data-group-id="2930481173-4">)</span><span·class="p">.</span><span·class="w"> |
| 280 | </span><span·class="p"·data-group-id=" | 280 | </span><span·class="p"·data-group-id="2930481173-5">[</span><span·class="p"·data-group-id="2930481173-6">{</span><span·class="ss">root</span><span·class="p">,</span><span·class="p"·data-group-id="2930481173-7">[</span><span·class="s">"/usr/local/erlang"</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·70,·SHA:·a755e3220aa0b2713607be110a3fde09bc8d9f6284b4128a96a2b725b07ef86e·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 281 | ·</span><span·class="p"·data-group-id=" | 281 | ·</span><span·class="p"·data-group-id="2930481173-8">{</span><span·class="ss">progname</span><span·class="p">,</span><span·class="p"·data-group-id="2930481173-9">[</span><span·class="s">"erl·"</span><span·class="p"·data-group-id="2930481173-9">]</span><span·class="p"·data-group-id="29[·...·truncated·by·diffoscope;·len:·8,·SHA:·369faacc00dcde064ff885b2999318a61ebf50ef506a50aad897d02bae69b0dc·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 282 | ·</span><span·class="p"·data-group-id=" | 282 | ·</span><span·class="p"·data-group-id="2930481173-10">{</span><span·class="ss">sname</span><span·class="p">,</span><span·class="p"·data-group-id="2930481173-11">[</span><span·class="s">"ssl_test"</span><span·class="p"·data-group-id="2930481173-11">]</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·12,·SHA:·2e20faeab53ce722900762eff41e8a967e6582287b9a6535019763c4b6413a9a·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 283 | ·</span><span·class="p"·data-group-id="8521228599-12">{</span><span·class="ss">boot</span><span·class="p">,</span><span·class="p"·data-group-id="8521228599-13">[</span><span·class="s">"/home/me/ssl/start_ssl"</span><span·class="p"·data-group-id="8521228599-13">]</span><span·class="p"·data-group-id="8521228599-12">}</span><span·class="p">,</span><span·class="w"> | ||
| 284 | ·</span><span·class="p"·data-group-id="8521228599-14">{</span><span·class="ss">proto_dist</span><span·class="p">,</span><span·class="p"·data-group-id="8521228599-15">[</span><span·class="s">"inet_tls"</span><span·class="p"·data-group-id="8521228599-15">]</span><span·class="p"·data-group-id="8521228599-14">}</span><span·class="p">,</span><span·class="w"> | ||
| 285 | ·</span><span·class="p"·data-group-id="8521228599-16">{</span><span·class="ss">ssl_dist_opt</span><span·class="p">,</span><span·class="p"·data-group-id="8521228599-17">[</span><span·class="s">"server_certfile"</span><span·class="p">,</span><span·class="s">"/home/me/ssl/erlserver.pem"</span><span·class="p"·data-group-id="8521228599-17">]</span><span·class="p"·data-group-id="8521228599-16">}</span><span·class="p">,</span><span·class="w"> | ||
| 286 | ·</span><span·class="p"·data-group-id=" | 283 | ·</span><span·class="p"·data-group-id="2930481173-12">{</span><span·class="ss">boot</span><span·class="p">,</span><span·class="p"·data-group-id="2930481173-13">[</span><span·class="s">"/home/me/ssl/start_ssl"</span><span·class="p"·data-group-id="2930481173-13">]</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·31,·SHA:·329ec264b82f74b48684fffdd144a790427b94267800a63b1b31c8f18849308b·...·]</span><span·class="p">,</span><span·class="w"> |
| 284 | ·</span><span·class="p"·data-group-id="2930481173-14">{</span><span·class="ss">proto_dist</span><span·class="p">,</span><span·class="p"·data-group-id="2930481173-15">[</span><span·class="s">"inet_tls"</span><span·class="p"·data-group-id="2930481173-15">]</span><span·class="p"·data-group-id="2930481173-14">}</span><span·class="p">,</span><span·class="w"> | ||
| 285 | ·</span><span·class="p"·data-group-id="2930481173-16">{</span><span·class="ss">ssl_dist_opt</span><span·class="p">,</span><span·class="p"·data-group-id="2930481173-17">[</span><span·class="s">"server_certfile"</span><span·class="p">,</span><span·class="s">"/home/me/ssl/erlserver.pem"</span><span·class="p"·data-group-id="2930481173-17">]</span><span·class="p"·data-group-id="2930481173-16">}</span><span·class="p">,</span><span·class="w"> | ||
| 286 | ·</span><span·class="p"·data-group-id="2930481173-18">{</span><span·class="ss">ssl_dist_opt</span><span·class="p">,</span><span·class="p"·data-group-id="2930481173-19">[</span><span·class="s">"server_secure_renegotiate"</span><span·class="p">,</span><span·class="s">"true"</span><span·class="p">,</span><span·class="w"> | ||
| 287 | ················</span><span·class="s">"client_secure_renegotiate"</span><span·class="p">,</span><span·class="s">"true"</span><span·class="p"·data-group-id=" | 287 | ················</span><span·class="s">"client_secure_renegotiate"</span><span·class="p">,</span><span·class="s">"true"</span><span·class="p"·data-group-id="2930481173-19">]</span><span·class="w"> |
| 288 | ·</span><span·class="p"·data-group-id=" | 288 | ·</span><span·class="p"·data-group-id="2930481173-20">{</span><span·class="ss">home</span><span·class="p">,</span><span·class="p"·data-group-id="2930481173-21">[</span><span·class="s">"/home/me"</span><span·class="p"·data-group-id="2930481173-21">]</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·11,·SHA:·5d381583ed41916c40f045737427650eee212dc85bf9f926317fcb3abfaeb78f·...·]-20">}</span><span·class="p">]</span></code></pre><p>The·<code·class="inline">init:get_arguments()</code>·call·verifies·that·the·correct·arguments·are·supplied |
| 289 | to·the·emulator.</p> | 289 | to·the·emulator.</p> |
| 290 | </div> | 290 | </div> |
| 291 | <div·class="bottom-actions"·id="bottom-actions"> | 291 | <div·class="bottom-actions"·id="bottom-actions"> |
| 292 | ··<div·class="bottom-actions-item"> | 292 | ··<div·class="bottom-actions-item"> |
| 293 | ······<a·href="using_ssl.html"·class="bottom-actions-button"·rel="prev"> | 293 | ······<a·href="using_ssl.html"·class="bottom-actions-button"·rel="prev"> |
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| 334 | ······<p·class="built-using"> | 334 | ······<p·class="built-using"> |
| 335 | ········Built·using | 335 | ········Built·using |
| 336 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 336 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 337 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 337 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 338 | ······</p> | 338 | ······</p> |
| 339 | <p>Copyright·©·1996-202 | 339 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 340 | ····</footer> | 340 | ····</footer> |
| 341 | ··</div> | 341 | ··</div> |
| 342 | </main> | 342 | </main> |
| 343 | </div> | 343 | </div> |
| 344 | <script> | 344 | <script> |
| 345 | ··function·mermaidLoaded()·{ | 345 | ··function·mermaidLoaded()·{ |
| 346 | ····mermaid.initialize({ | 346 | ····mermaid.initialize({ |
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| 275 | ······<p·class="built-using"> | 275 | ······<p·class="built-using"> |
| 276 | ········Built·using | 276 | ········Built·using |
| 277 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 277 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 278 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 278 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 279 | ······</p> | 279 | ······</p> |
| 280 | <p>Copyright·©·1996-202 | 280 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 281 | ····</footer> | 281 | ····</footer> |
| 282 | ··</div> | 282 | ··</div> |
| 283 | </main> | 283 | </main> |
| 284 | </div> | 284 | </div> |
| 285 | <script> | 285 | <script> |
| 286 | ··function·mermaidLoaded()·{ | 286 | ··function·mermaidLoaded()·{ |
| 287 | ····mermaid.initialize({ | 287 | ····mermaid.initialize({ |
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| 695 | ······<p·class="built-using"> | 695 | ······<p·class="built-using"> |
| 696 | ········Built·using | 696 | ········Built·using |
| 697 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 697 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 698 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 698 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 699 | ······</p> | 699 | ······</p> |
| 700 | <p>Copyright·©·1996-202 | 700 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 701 | ····</footer> | 701 | ····</footer> |
| 702 | ··</div> | 702 | ··</div> |
| 703 | </main> | 703 | </main> |
| 704 | </div> | 704 | </div> |
| 705 | <script> | 705 | <script> |
| 706 | ··function·mermaidLoaded()·{ | 706 | ··function·mermaidLoaded()·{ |
| 707 | ····mermaid.initialize({ | 707 | ····mermaid.initialize({ |
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| 256 | ······<p·class="built-using"> | 256 | ······<p·class="built-using"> |
| 257 | ········Built·using | 257 | ········Built·using |
| 258 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 258 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 259 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 259 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 260 | ······</p> | 260 | ······</p> |
| 261 | <p>Copyright·©·1996-202 | 261 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 262 | ····</footer> | 262 | ····</footer> |
| 263 | ··</div> | 263 | ··</div> |
| 264 | </main> | 264 | </main> |
| 265 | </div> | 265 | </div> |
| 266 | <script> | 266 | <script> |
| 267 | ··function·mermaidLoaded()·{ | 267 | ··function·mermaidLoaded()·{ |
| 268 | ····mermaid.initialize({ | 268 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 823, 15 lines modified | Offset 823, 15 lines modified | ||
| 823 | ······<p·class="built-using"> | 823 | ······<p·class="built-using"> |
| 824 | ········Built·using | 824 | ········Built·using |
| 825 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 825 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 826 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 826 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 827 | ······</p> | 827 | ······</p> |
| 828 | <p>Copyright·©·1996-202 | 828 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 829 | ····</footer> | 829 | ····</footer> |
| 830 | ··</div> | 830 | ··</div> |
| 831 | </main> | 831 | </main> |
| 832 | </div> | 832 | </div> |
| 833 | <script> | 833 | <script> |
| 834 | ··function·mermaidLoaded()·{ | 834 | ··function·mermaidLoaded()·{ |
| 835 | ····mermaid.initialize({ | 835 | ····mermaid.initialize({ |
| Offset 143, 60 lines modified | Offset 143, 60 lines modified | ||
| 143 | ··</a> | 143 | ··</a> |
| 144 | ··<span·class="text">Quick·start</span> | 144 | ··<span·class="text">Quick·start</span> |
| 145 | </h2> | 145 | </h2> |
| 146 | <p><code·class="inline">argparse</code>·is·designed·to·work·with·<a·href="../../../../erts-15.2.3/doc/html/escript_cmd.html"><code·class="inline">escript</code></a>.·The | 146 | <p><code·class="inline">argparse</code>·is·designed·to·work·with·<a·href="../../../../erts-15.2.3/doc/html/escript_cmd.html"><code·class="inline">escript</code></a>.·The |
| 147 | example·below·is·a·fully·functioning·Erlang·program·accepting·two·command·line | 147 | example·below·is·a·fully·functioning·Erlang·program·accepting·two·command·line |
| 148 | arguments·and·printing·their·product.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ch">#!/usr/bin/env·escript | 148 | arguments·and·printing·their·product.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ch">#!/usr/bin/env·escript |
| 149 | </span><span·class="w"> | 149 | </span><span·class="w"> |
| 150 | </span><span·class="nf">main</span><span·class="p"·data-group-id=" | 150 | </span><span·class="nf">main</span><span·class="p"·data-group-id="5890814586-1">(</span><span·class="n">Args</span><span·class="p"·data-group-id="5890814586-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 151 | ····</span><span·class="nc">argparse</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id=" | 151 | ····</span><span·class="nc">argparse</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="5890814586-2">(</span><span·class="n">Args</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">cli</span><span·class="p"·data-group-id="5890814586-3">(</span><span·class="p"·data-group-id="5890814586-3">)</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·305,·SHA:·53d0e99aa6cdafb60ec8073a46f8c874c1f99b70804f7b46f4afe932d6a6f1f6·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 152 | </span><span·class="nf">cli</span><span·class="p"·data-group-id=" | 152 | </span><span·class="nf">cli</span><span·class="p"·data-group-id="5890814586-5">(</span><span·class="p"·data-group-id="5890814586-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 153 | ····</span><span·class="p"·data-group-id=" | 153 | ····</span><span·class="p"·data-group-id="5890814586-6">#{</span><span·class="w"> |
| 154 | ········</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 154 | ········</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="5890814586-7">[</span><span·class="w"> |
| 155 | ············</span><span·class="p"·data-group-id=" | 155 | ············</span><span·class="p"·data-group-id="5890814586-8">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">left</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">type</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·123,·SHA:·c2f054aec72c22e0b8ffb7e2e1db1b7634e42416bb8046a279cb4bb8a805795a·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 156 | ············</span><span·class="p"·data-group-id=" | 156 | ············</span><span·class="p"·data-group-id="5890814586-9">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">right</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">type</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·124,·SHA:·b208f67d45835091f0624bc6f32a3304013be6a5548f6bf5b709a83585fe759c·...·]-9">}</span><span·class="w"> |
| 157 | ········</span><span·class="p"·data-group-id=" | 157 | ········</span><span·class="p"·data-group-id="5890814586-7">]</span><span·class="p">,</span><span·class="w"> |
| 158 | ········</span><span·class="ss">handler</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> | 158 | ········</span><span·class="ss">handler</span><span·class="w">·</span><span·class="p">=></span><span·class="w"> |
| 159 | ············</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id=" | 159 | ············</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="5890814586-10">(</span><span·class="p"·data-group-id="5890814586-11">#{</span><span·class="ss">left</span><span·class="w">·</span><span·class="p">:=</span><span·class="w">·</span><span·class="n">Left</span><span·class="p">,</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·223,·SHA:·923b1f9240da02b19441b10740729f5893bb0c99c11d9509e3d9a01920898623·...·]-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 160 | ················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 160 | ················</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5890814586-12">(</span><span·class="s">"</span><span·class="si">~b</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5890814586-13">[</span><span·class="n">Left<[·...·truncated·by·diffoscope;·len:·201,·SHA:·95c122117d30bcfc88a3083dbe270f6c6bc8e49f9828e7a445b8b770c7cf42de·...·]-12">)</span><span·class="w"> |
| 161 | ············</span><span·class="k">end</span><span·class="w"> | 161 | ············</span><span·class="k">end</span><span·class="w"> |
| 162 | ····</span><span·class="p"·data-group-id=" | 162 | ····</span><span·class="p"·data-group-id="5890814586-6">}</span><span·class="p">.</span></code></pre><p>Running·this·script·with·no·arguments·results·in·an·error,·accompanied·by·the |
| 163 | usage·information.</p><p>The·<code·class="inline">cli</code>·function·defines·a·single·command·with·embedded·handler·accepting·a | 163 | usage·information.</p><p>The·<code·class="inline">cli</code>·function·defines·a·single·command·with·embedded·handler·accepting·a |
| 164 | map.·Keys·of·the·map·are·argument·names·as·defined·by·the·<code·class="inline">argument</code>·field·of | 164 | map.·Keys·of·the·map·are·argument·names·as·defined·by·the·<code·class="inline">argument</code>·field·of |
| 165 | the·command,·<code·class="inline">left</code>·and·<code·class="inline">right</code>·in·the·example.·Values·are·taken·from·the | 165 | the·command,·<code·class="inline">left</code>·and·<code·class="inline">right</code>·in·the·example.·Values·are·taken·from·the |
| 166 | command·line,·and·converted·into·integers,·as·requested·by·the·type | 166 | command·line,·and·converted·into·integers,·as·requested·by·the·type |
| 167 | specification.·Both·arguments·in·the·example·above·are·required·(and·therefore | 167 | specification.·Both·arguments·in·the·example·above·are·required·(and·therefore |
| 168 | defined·as·positional).</p><h2·id="module-command-hierarchy"·class="section-heading"> | 168 | defined·as·positional).</p><h2·id="module-command-hierarchy"·class="section-heading"> |
| 169 | ··<a·href="#module-command-hierarchy"·class="hover-link"> | 169 | ··<a·href="#module-command-hierarchy"·class="hover-link"> |
| 170 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 170 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 171 | ··</a> | 171 | ··</a> |
| 172 | ··<span·class="text">Command·hierarchy</span> | 172 | ··<span·class="text">Command·hierarchy</span> |
| 173 | </h2> | 173 | </h2> |
| 174 | <p>A·command·may·contain·nested·commands,·forming·a·hierarchy.·Arguments·defined·at | 174 | <p>A·command·may·contain·nested·commands,·forming·a·hierarchy.·Arguments·defined·at |
| 175 | the·upper·level·command·are·automatically·added·to·all·nested·commands.·Nested | 175 | the·upper·level·command·are·automatically·added·to·all·nested·commands.·Nested |
| 176 | commands·example·(assuming·<code·class="inline">progname</code>·is·<code·class="inline">nested</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">cli</span><span·class="p"·data-group-id="6 | 176 | commands·example·(assuming·<code·class="inline">progname</code>·is·<code·class="inline">nested</code>):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">cli</span><span·class="p"·data-group-id="6780836953-1">(</span><span·class="p"·data-group-id="6780836953-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 177 | ··</span><span·class="p"·data-group-id="6 | 177 | ··</span><span·class="p"·data-group-id="6780836953-2">#{</span><span·class="w"> |
| 178 | ····</span><span·class="c1">%%·top·level·argument·applicable·to·all·commands</span><span·class="w"> | 178 | ····</span><span·class="c1">%%·top·level·argument·applicable·to·all·commands</span><span·class="w"> |
| 179 | ····</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6 | 179 | ····</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6780836953-3">[</span><span·class="p"·data-group-id="6780836953-4">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">top</span><span·class="p"·data-group-id="6780836953-4">}</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·6274e63db4fb5dba90541f82837e1cdcd8373ffc804c1e4c86f75d9c0c7837fb·...·]-3">]</span><span·class="p">,</span><span·class="w"> |
| 180 | ······</span><span·class="ss">commands</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6 | 180 | ······</span><span·class="ss">commands</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6780836953-5">#{</span><span·class="w"> |
| 181 | ········</span><span·class="s">"first"</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6 | 181 | ········</span><span·class="s">"first"</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6780836953-6">#{</span><span·class="w"> |
| 182 | ··········</span><span·class="c1">%%·argument·applicable·to·"first"·command·and</span><span·class="w"> | 182 | ··········</span><span·class="c1">%%·argument·applicable·to·"first"·command·and</span><span·class="w"> |
| 183 | ··········</span><span·class="c1">%%··all·commands·nested·into·"first"</span><span·class="w"> | 183 | ··········</span><span·class="c1">%%··all·commands·nested·into·"first"</span><span·class="w"> |
| 184 | ··········</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6 | 184 | ··········</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6780836953-7">[</span><span·class="p"·data-group-id="6780836953-8">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">mid</span><span·class="p"·data-group-id="6780836953-8">}</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·6274e63db4fb5dba90541f82837e1cdcd8373ffc804c1e4c86f75d9c0c7837fb·...·]-7">]</span><span·class="p">,</span><span·class="w"> |
| 185 | ··········</span><span·class="ss">commands</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6 | 185 | ··········</span><span·class="ss">commands</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6780836953-9">#{</span><span·class="w"> |
| 186 | ············</span><span·class="s">"second"</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6 | 186 | ············</span><span·class="s">"second"</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6780836953-10">#{</span><span·class="w"> |
| 187 | ··············</span><span·class="c1">%%·argument·only·applicable·for·"second"·command</span><span·class="w"> | 187 | ··············</span><span·class="c1">%%·argument·only·applicable·for·"second"·command</span><span·class="w"> |
| 188 | ··············</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6 | 188 | ··············</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6780836953-11">[</span><span·class="p"·data-group-id="6780836953-12">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">bottom</span><span·class="p"·data-group-id="6780836953-12"[·...·truncated·by·diffoscope;·len:·50,·SHA:·9c23bf236ba164dc6ec87b399347f3292cf3d1f07e731eb627f2358a767391ab·...·]-11">]</span><span·class="p">,</span><span·class="w"> |
| 189 | ··············</span><span·class="ss">handler</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 189 | ··············</span><span·class="ss">handler</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="6780836953-13">(</span><span·class="n">A</span><span·class="p"·data-group-id="6780836953-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span>[·...·truncated·by·diffoscope;·len:·385,·SHA:·7645b605a252a977164b3c3d84f059c6cedbe72d4e787c396b798fe343d3f614·...·]-14">)</span><span·class="w">·</span><span·class="k">end</span><span·class="w"> |
| 190 | ··········</span><span·class="p"·data-group-id="6 | 190 | ··········</span><span·class="p"·data-group-id="6780836953-10">}</span><span·class="w"> |
| 191 | ········</span><span·class="p"·data-group-id="6 | 191 | ········</span><span·class="p"·data-group-id="6780836953-9">}</span><span·class="w"> |
| 192 | ······</span><span·class="p"·data-group-id="6 | 192 | ······</span><span·class="p"·data-group-id="6780836953-6">}</span><span·class="w"> |
| 193 | ····</span><span·class="p"·data-group-id="6 | 193 | ····</span><span·class="p"·data-group-id="6780836953-5">}</span><span·class="w"> |
| 194 | ··</span><span·class="p"·data-group-id="6 | 194 | ··</span><span·class="p"·data-group-id="6780836953-2">}</span><span·class="p">.</span></code></pre><p>In·the·example·above,·a·3-level·hierarchy·is·defined.·First·is·the·script·itself |
| 195 | (<code·class="inline">nested</code>),·accepting·the·only·argument·<code·class="inline">top</code>.·Since·it·has·no·associated | 195 | (<code·class="inline">nested</code>),·accepting·the·only·argument·<code·class="inline">top</code>.·Since·it·has·no·associated |
| 196 | handler,·<a·href="#run/3"><code·class="inline">run/3</code></a>·will·not·accept·user·input·omitting·nested·command·selection. | 196 | handler,·<a·href="#run/3"><code·class="inline">run/3</code></a>·will·not·accept·user·input·omitting·nested·command·selection. |
| 197 | For·this·example,·user·has·to·supply·5·arguments·in·the·command·line,·two·being | 197 | For·this·example,·user·has·to·supply·5·arguments·in·the·command·line,·two·being |
| 198 | command·names,·and·another·3·-·required·positional·arguments:</p><pre><code·class="text">./nested.erl·one·first·second·two·three | 198 | command·names,·and·another·3·-·required·positional·arguments:</p><pre><code·class="text">./nested.erl·one·first·second·two·three |
| 199 | #{top·=>·"one",mid·=>·"two",bottom·=>·"three"}</code></pre><p>Commands·have·preference·over·positional·argument·values.·In·the·example·above, | 199 | #{top·=>·"one",mid·=>·"two",bottom·=>·"three"}</code></pre><p>Commands·have·preference·over·positional·argument·values.·In·the·example·above, |
| 200 | commands·and·positional·arguments·are·interleaving,·and·<code·class="inline">argparse</code>·matches | 200 | commands·and·positional·arguments·are·interleaving,·and·<code·class="inline">argparse</code>·matches |
| 201 | command·name·first.</p><h2·id="module-arguments"·class="section-heading"> | 201 | command·name·first.</p><h2·id="module-arguments"·class="section-heading"> |
| Offset 206, 22 lines modified | Offset 206, 22 lines modified | ||
| 206 | ··<span·class="text">Arguments</span> | 206 | ··<span·class="text">Arguments</span> |
| 207 | </h2> | 207 | </h2> |
| 208 | <p><code·class="inline">argparse</code>·supports·positional·and·optional·arguments.·Optional·arguments,·or | 208 | <p><code·class="inline">argparse</code>·supports·positional·and·optional·arguments.·Optional·arguments,·or |
| 209 | options·for·short,·must·be·prefixed·with·a·special·character·(<code·class="inline">-</code>·is·the·default | 209 | options·for·short,·must·be·prefixed·with·a·special·character·(<code·class="inline">-</code>·is·the·default |
| 210 | on·all·operating·systems).·Both·options·and·positional·arguments·have·1·or·more | 210 | on·all·operating·systems).·Both·options·and·positional·arguments·have·1·or·more |
| 211 | associated·values.·See·<a·href="#t:argument/0"><code·class="inline">argument·specification</code></a>·to·find·more | 211 | associated·values.·See·<a·href="#t:argument/0"><code·class="inline">argument·specification</code></a>·to·find·more |
| 212 | details·about·supported·combinations.</p><p>In·the·user·input,·short·options·may·be·concatenated·with·their·values.·Long | 212 | details·about·supported·combinations.</p><p>In·the·user·input,·short·options·may·be·concatenated·with·their·values.·Long |
| 213 | options·support·values·separated·by·<code·class="inline">=</code>.·Consider·this·definition:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">cli</span><span·class="p"·data-group-id=" | 213 | options·support·values·separated·by·<code·class="inline">=</code>.·Consider·this·definition:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">cli</span><span·class="p"·data-group-id="3015747597-1">(</span><span·class="p"·data-group-id="3015747597-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 214 | ··</span><span·class="p"·data-group-id=" | 214 | ··</span><span·class="p"·data-group-id="3015747597-2">#{</span><span·class="w"> |
| 215 | ····</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 215 | ····</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="3015747597-3">[</span><span·class="w"> |
| 216 | ······</span><span·class="p"·data-group-id=" | 216 | ······</span><span·class="p"·data-group-id="3015747597-4">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">long</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">long</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·132,·SHA:·3fd0eba8953ad372e65c56e2082e101e045cec52e2b0790316e17f79d2785fe0·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 217 | ······</span><span·class="p"·data-group-id=" | 217 | ······</span><span·class="p"·data-group-id="3015747597-5">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">short</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">short</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·120,·SHA:·18c7f808cdf713065546b5b119d99483433b58df165e867560064c75a60dde7d·...·]-5">}</span><span·class="w"> |
| 218 | ····</span><span·class="p"·data-group-id=" | 218 | ····</span><span·class="p"·data-group-id="3015747597-3">]</span><span·class="p">,</span><span·class="w"> |
| 219 | ····</span><span·class="ss">handler</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id=" | 219 | ····</span><span·class="ss">handler</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="3015747597-6">(</span><span·class="n">Args</span><span·class="p"·data-group-id="3015747597-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</spa[·...·truncated·by·diffoscope;·len:·387,·SHA:·64e163d794db2529159e0b23e0a119de3bdc0b5fe10b97cc5b3ec52f519ea859·...·]-7">)</span><span·class="w">·</span><span·class="k">end</span><span·class="w"> |
| 220 | ··</span><span·class="p"·data-group-id=" | 220 | ··</span><span·class="p"·data-group-id="3015747597-2">}</span><span·class="p">.</span></code></pre><p>Running·<code·class="inline">./args·--long=VALUE</code>·prints·<code·class="inline">#{long·=>·"VALUE"}</code>,·running |
| 221 | <code·class="inline">./args·-sVALUE</code>·prints·<code·class="inline">#{short·=>·"VALUE"}</code></p><p><code·class="inline">argparse</code>·supports·boolean·flags·concatenation:·it·is·possible·to·shorten | 221 | <code·class="inline">./args·-sVALUE</code>·prints·<code·class="inline">#{short·=>·"VALUE"}</code></p><p><code·class="inline">argparse</code>·supports·boolean·flags·concatenation:·it·is·possible·to·shorten |
| 222 | <code·class="inline">-r·-f·-v</code>·to·<code·class="inline">-rfv</code>.</p><p>Shortened·option·names·are·not·supported:·it·is·not·possible·to·use·<code·class="inline">--my-argum</code> | 222 | <code·class="inline">-r·-f·-v</code>·to·<code·class="inline">-rfv</code>.</p><p>Shortened·option·names·are·not·supported:·it·is·not·possible·to·use·<code·class="inline">--my-argum</code> |
| 223 | instead·of·<code·class="inline">--my-argument-name</code>·even·when·such·option·can·be·unambiguously | 223 | instead·of·<code·class="inline">--my-argument-name</code>·even·when·such·option·can·be·unambiguously |
| 224 | found.</p> | 224 | found.</p> |
| 225 | ····</section> | 225 | ····</section> |
| 226 | </div> | 226 | </div> |
| Offset 598, 119 lines modified | Offset 598, 119 lines modified | ||
| 598 | as·optional.·Optional·arguments·do·not·have·specific·order·and·may·appear | 598 | as·optional.·Optional·arguments·do·not·have·specific·order·and·may·appear |
| 599 | anywhere·in·the·command·line.·Positional·arguments·are·ordered·the·same·way·as | 599 | anywhere·in·the·command·line.·Positional·arguments·are·ordered·the·same·way·as |
| 600 | they·appear·in·the·arguments·list·of·the·command·specification.</p><p>By·default,·all·positional·arguments·must·be·present·in·the·command·line.·The | 600 | they·appear·in·the·arguments·list·of·the·command·specification.</p><p>By·default,·all·positional·arguments·must·be·present·in·the·command·line.·The |
| 601 | parser·will·return·an·error·otherwise.·Options,·however,·may·be·omitted,·in | 601 | parser·will·return·an·error·otherwise.·Options,·however,·may·be·omitted,·in |
| 602 | which·case·resulting·argument·map·will·either·contain·the·default·value,·or·not | 602 | which·case·resulting·argument·map·will·either·contain·the·default·value,·or·not |
| 603 | have·the·key·at·all.</p><ul><li><p><strong><code·class="inline">name</code></strong>·-·Sets·the·argument·name·in·the·parsed·argument·map.·If·<code·class="inline">help</code>·is | 603 | have·the·key·at·all.</p><ul><li><p><strong><code·class="inline">name</code></strong>·-·Sets·the·argument·name·in·the·parsed·argument·map.·If·<code·class="inline">help</code>·is |
| 604 | not·defined,·name·is·also·used·to·generate·the·default·usage·message.</p></li><li><p><strong><code·class="inline">short</code></strong>·-·Defines·a·short·(single·character)·form·of·an·optional·argument.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Define·a·command·accepting·argument·named·myarg,·with·short·form·$a:</span><span·class="gp·unselectable"> | 604 | not·defined,·name·is·also·used·to·generate·the·default·usage·message.</p></li><li><p><strong><code·class="inline">short</code></strong>·-·Defines·a·short·(single·character)·form·of·an·optional·argument.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Define·a·command·accepting·argument·named·myarg,·with·short·form·$a:</span><span·class="gp·unselectable"> |
| 605 | 1>·</span><span·class="n">Cmd</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 605 | 1>·</span><span·class="n">Cmd</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6719105550-1">#{</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6719105550-2">[</span><span·class="p"·data-group-id="6719105550-3">#{</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·442,·SHA:·5f58ffa9339c2e011f58940f7677759ad89bd94dd50ce7a2dec9e2485b519dd5·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 606 | </span><span·class="c1">%%·Parse·command·line·"-a·str":</span><span·class="gp·unselectable"> | 606 | </span><span·class="c1">%%·Parse·command·line·"-a·str":</span><span·class="gp·unselectable"> |
| 607 | 2>·</span><span·class="p"·data-group-id=" | 607 | 2>·</span><span·class="p"·data-group-id="6719105550-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArgMap</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·620,·SHA:·c86b8cfa2118ab2634a0a3cc537fe41be50a0cb9beced5d593a06bcae7e9fbea·...·]-5">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArgMap</span><span·class="p">.</span><span·class="w"> |
| 608 | </span><span·class="p"·data-group-id=" | 608 | </span><span·class="p"·data-group-id="6719105550-7">#{</span><span·class="ss">myarg</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"str"</span><span·class="p"·data-group-id="6719105550-7">}</span><span·class="w"> |
| 609 | </span><span·class="c1">%%·Option·value·can·be·concatenated·with·the·switch:·"-astr"</span><span·class="gp·unselectable"> | 609 | </span><span·class="c1">%%·Option·value·can·be·concatenated·with·the·switch:·"-astr"</span><span·class="gp·unselectable"> |
| 610 | 3>·</span><span·class="p"·data-group-id=" | 610 | 3>·</span><span·class="p"·data-group-id="6719105550-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArgMap</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·539,·SHA:·828b527f6b8bca306094b252adb5a70eace68120732b3c9a1653e6a248e6f165·...·]-9">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArgMap</span><span·class="p">.</span><span·class="w"> |
| 611 | </span><span·class="p"·data-group-id=" | 611 | </span><span·class="p"·data-group-id="6719105550-11">#{</span><span·class="ss">myarg</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"str"</span><span·class="p"·data-group-id="6719105550-11">}</span></code></pre><p>By·default·all·options·expect·a·single·value·following·the·option·switch.·The |
| 612 | only·exception·is·an·option·of·a·boolean·type.</p></li><li><p><strong><code·class="inline">long</code></strong>·-·Defines·a·long·form·of·an·optional·argument.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Cmd</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 612 | only·exception·is·an·option·of·a·boolean·type.</p></li><li><p><strong><code·class="inline">long</code></strong>·-·Defines·a·long·form·of·an·optional·argument.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Cmd</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8112963696-1">#{</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="8112963696-2">[</span><span·class="p"·data-group-id="8112963696-3">#{</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·454,·SHA:·f248c173c31a4e8993fbd0030f7c61c09be6f146a4951cdc1f29442106ca4a4b·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 613 | </span><span·class="c1">%%·Parse·command·line·"-name·Erlang":</span><span·class="gp·unselectable"> | 613 | </span><span·class="c1">%%·Parse·command·line·"-name·Erlang":</span><span·class="gp·unselectable"> |
| 614 | 2>·</span><span·class="p"·data-group-id=" | 614 | 2>·</span><span·class="p"·data-group-id="8112963696-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArgMap</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·626,·SHA:·24223100f5460ba6d473f00a2d126f4b06abc4fdae24d289d7e51f05a51870ca·...·]-5">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArgMap</span><span·class="p">.</span><span·class="w"> |
| 615 | </span><span·class="p"·data-group-id=" | 615 | </span><span·class="p"·data-group-id="8112963696-7">#{</span><span·class="ss">myarg</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"Erlang"</span><span·class="p"·data-group-id="8112963696-7">}</span><span·class="w"> |
| 616 | </span><span·class="c1">%%·Or·use·"="·to·separate·the·switch·and·the·value:</span><span·class="gp·unselectable"> | 616 | </span><span·class="c1">%%·Or·use·"="·to·separate·the·switch·and·the·value:</span><span·class="gp·unselectable"> |
| 617 | 3>·</span><span·class="p"·data-group-id=" | 617 | 3>·</span><span·class="p"·data-group-id="8112963696-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArgMap</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·546,·SHA:·195f05426186a56fd34a667b153123f7a2ce740aa3cad7154f18e1b6b8d7d51b·...·]-9">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArgMap</span><span·class="p">.</span><span·class="w"> |
| 618 | </span><span·class="p"·data-group-id=" | 618 | </span><span·class="p"·data-group-id="8112963696-11">#{</span><span·class="ss">myarg</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"Erlang"</span><span·class="p"·data-group-id="8112963696-11">}</span></code></pre><p>If·neither·<code·class="inline">short</code>·not·<code·class="inline">long</code>·is·defined,·the·argument·is·treated·as |
| 619 | positional.</p></li><li><p><strong><code·class="inline">required</code></strong>·-·Forces·the·parser·to·expect·the·argument·to·be·present·in·the | 619 | positional.</p></li><li><p><strong><code·class="inline">required</code></strong>·-·Forces·the·parser·to·expect·the·argument·to·be·present·in·the |
| 620 | command·line.·By·default,·all·positional·argument·are·required,·and·all | 620 | command·line.·By·default,·all·positional·argument·are·required,·and·all |
| 621 | options·are·not.</p></li><li><p><strong><code·class="inline">default</code></strong>·-·Specifies·the·default·value·to·put·in·the·parsed·argument·map | 621 | options·are·not.</p></li><li><p><strong><code·class="inline">default</code></strong>·-·Specifies·the·default·value·to·put·in·the·parsed·argument·map |
| 622 | if·the·value·is·not·supplied·in·the·command·line.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">argparse</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id=" | 622 | if·the·value·is·not·supplied·in·the·command·line.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">argparse</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="3494416328-1">(</span><span·class="p"·data-group-id="3494416328-2">[</span><span·class="p"·data-group-id="3494416328-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3494416328-3">#{</span><span·class="ss">arguments[·...·truncated·by·diffoscope;·len:·702,·SHA:·3dab666c0635fb37a69f6bab12b2559b9e23fa26d773c6bf54bd037bd08d077a·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 623 | </span><span·class="p"·data-group-id=" | 623 | </span><span·class="p"·data-group-id="3494416328-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3494416328-7">#{</span><span·class="p"·data-group-id="3494416328-7">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 624 | 2>·</span><span·class="nc">argparse</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id=" | 624 | 2>·</span><span·class="nc">argparse</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="3494416328-8">(</span><span·class="p"·data-group-id="3494416328-9">[</span><span·class="p"·data-group-id="3494416328-9">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3494416328-10">#{</span><span·class="ss">argument[·...·truncated·by·diffoscope;·len:·901,·SHA:·28b34e33f74072c514a9ca816c84d843dda25c0ba3fe9befdf2022afaffc9a0d·...·]-8">)</span><span·class="p">.</span><span·class="w"> |
| 625 | </span><span·class="p"·data-group-id=" | 625 | </span><span·class="p"·data-group-id="3494416328-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3494416328-14">#{</span><span·class="ss">myarg</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"d[·...·truncated·by·diffoscope;·len:·56,·SHA:·a2854edecd7b168b0bbbe2d9c5201587c0a07842785e6b4fd8d2e7b39a5562ff·...·]-14">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre></li><li><p><strong><code·class="inline">type</code></strong>·-·Defines·type·conversion·and·validation·routine.·The·default·is |
| 626 | <code·class="inline">string</code>,·assuming·no·conversion.</p></li><li><p><strong><code·class="inline">nargs</code></strong>·-·Defines·the·number·of·following·arguments·to·consume·from·the | 626 | <code·class="inline">string</code>,·assuming·no·conversion.</p></li><li><p><strong><code·class="inline">nargs</code></strong>·-·Defines·the·number·of·following·arguments·to·consume·from·the |
| 627 | command·line.·By·default,·the·parser·consumes·the·next·argument·and·converts | 627 | command·line.·By·default,·the·parser·consumes·the·next·argument·and·converts |
| 628 | it·into·an·Erlang·term·according·to·the·specified·type.</p><ul><li><p><strong><a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pos_integer/0"><code·class="inline">pos_integer/0</code></a></strong>·-·Consume·exactly·this·number·of·positional·arguments, | 628 | it·into·an·Erlang·term·according·to·the·specified·type.</p><ul><li><p><strong><a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pos_integer/0"><code·class="inline">pos_integer/0</code></a></strong>·-·Consume·exactly·this·number·of·positional·arguments, |
| 629 | fail·if·there·is·not·enough.·Value·in·the·argument·map·contains·a·list·of | 629 | fail·if·there·is·not·enough.·Value·in·the·argument·map·contains·a·list·of |
| 630 | exactly·this·length.·Example,·defining·a·positional·argument·expecting·3 | 630 | exactly·this·length.·Example,·defining·a·positional·argument·expecting·3 |
| 631 | integer·values:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Cmd</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6 | 631 | integer·values:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Cmd</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6582546923-1">#{</span><span·class="ss">arguments</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="6582546923-2">[</span><span·class="p"·data-group-id="6582546923-3">#{</span><span·class="ss">n[·...·truncated·by·diffoscope;·len:·622,·SHA:·4b18b84e3022927f8ceabcc45c7db0bd5c7e1fdee9510b9c26a55510f143c24e·...·]-1">}</span><span·class="p">,</span><span·class="w"> |
| 632 | </span><span·class="nc">argparse</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="6 | 632 | </span><span·class="nc">argparse</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="6582546923-4">(</span><span·class="p"·data-group-id="6582546923-5">[</span><span·class="s">"1"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"2"</span><span·class="p">,</span><span·class="w">·</span><span·class="s[·...·truncated·by·diffoscope;·len:·190,·SHA:·5a8f337c3f59aedd422b2bda100b0d2eca1b7f689fb8fc19d5ed427f614cf11d·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
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| 132 | is·used·for·entries·that·have·not·been·explicitly·set.</p><p>Arrays·uses·<em>zero</em>-based·indexing.·This·is·a·deliberate·design·choice·and | 132 | is·used·for·entries·that·have·not·been·explicitly·set.</p><p>Arrays·uses·<em>zero</em>-based·indexing.·This·is·a·deliberate·design·choice·and |
| 133 | differs·from·other·Erlang·data·structures,·for·example,·tuples.</p><p>Unless·specified·by·the·user·when·the·array·is·created,·the·default·value·is·the | 133 | differs·from·other·Erlang·data·structures,·for·example,·tuples.</p><p>Unless·specified·by·the·user·when·the·array·is·created,·the·default·value·is·the |
| 134 | atom·<code·class="inline">undefined</code>.·There·is·no·difference·between·an·unset·entry·and·an·entry | 134 | atom·<code·class="inline">undefined</code>.·There·is·no·difference·between·an·unset·entry·and·an·entry |
| 135 | that·has·been·explicitly·set·to·the·same·value·as·the·default·one·(compare | 135 | that·has·been·explicitly·set·to·the·same·value·as·the·default·one·(compare |
| 136 | <a·href="#reset/2"><code·class="inline">reset/2</code></a>).·If·you·need·to·differentiate·between·unset·and·set·entries,·ensure | 136 | <a·href="#reset/2"><code·class="inline">reset/2</code></a>).·If·you·need·to·differentiate·between·unset·and·set·entries,·ensure |
| 137 | that·the·default·value·cannot·be·confused·with·the·values·of·set·entries.</p><p>The·array·never·shrinks·automatically.·If·an·index·<code·class="inline">I</code>·has·been·used·to·set·an | 137 | that·the·default·value·cannot·be·confused·with·the·values·of·set·entries.</p><p>The·array·never·shrinks·automatically.·If·an·index·<code·class="inline">I</code>·has·been·used·to·set·an |
| 138 | entry·successfully,·all·indices·in·the·range·<code·class="inline">[0,I]</code>·stay·accessible·unless·the | 138 | entry·successfully,·all·indices·in·the·range·<code·class="inline">[0,I]</code>·stay·accessible·unless·the |
| 139 | array·size·is·explicitly·changed·by·calling·<a·href="#resize/2"><code·class="inline">resize/2</code></a>.</p><p><em>Examples:</em></p><p>Create·a·fixed-size·array·with·entries·0-9·set·to·<code·class="inline">undefined</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">A0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 139 | array·size·is·explicitly·changed·by·calling·<a·href="#resize/2"><code·class="inline">resize/2</code></a>.</p><p><em>Examples:</em></p><p>Create·a·fixed-size·array·with·entries·0-9·set·to·<code·class="inline">undefined</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">A0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="6344882656-1">(</span><span·class="mi">10</span><span·class="p"·data-group-id="6344882656-1">)</span><span·class="p">.</span><span·class="w"> |
| 140 | </span><span·class="mi">10</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">size</span><span·class="p"·data-group-id=" | 140 | </span><span·class="mi">10</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">size</span><span·class="p"·data-group-id="6344882656-2">(</span><span·class="n">A0</span><span·class="p"·data-group-id="6344882656-2">)</span><span·class="p">.</span></code></pre><p>Create·an·extendible·array·and·set·entry·17·to·<code·class="inline">true</code>,·causing·the·array·to·grow |
| 141 | automatically:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">A1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">set</span><span·class="p"·data-group-id=" | 141 | automatically:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">A1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">set</span><span·class="p"·data-group-id="6256186888-1">(</span><span·class="mi">17</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">new</span><spa[·...·truncated·by·diffoscope;·len:·143,·SHA:·9ddb47da1a7d0851e3d2dcdb9f718290d3b7fec45411efeb1bbfb874d9d97fa5·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 142 | </span><span·class="mi">18</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">size</span><span·class="p"·data-group-id=" | 142 | </span><span·class="mi">18</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">size</span><span·class="p"·data-group-id="6256186888-3">(</span><span·class="n">A1</span><span·class="p"·data-group-id="6256186888-3">)</span><span·class="p">.</span></code></pre><p>Read·back·a·stored·value:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">true</span><span·class[·...·truncated·by·diffoscope;·len:·861,·SHA:·dcd3fa77a0bacf5d4366a187776f56ed7044746f1a055167573344a66ed73a13·...·]1-1">)</span></code></pre><p>Accessing·an·entry·beyond·the·last·set·entry·also·returns·the·default·value,·if |
| 143 | the·array·does·not·have·fixed·size:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">undefined</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">get</span><span·class="p"·data-group-id=" | 143 | the·array·does·not·have·fixed·size:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">undefined</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">array</span><span·class="p">:</span><span·class="nf">get</span><span·class="p"·data-group-id="8087269135-1">(</span><span·class="mi">18</span><span·class="p">,</span><span·class="w">·</span><span·class="n">A1</span><span·class="p"·data-group-id="8087269135-1">)</span><span·class="p">.</span></code></pre><p>"Sparse"·functions·ignore·defaul[·...·truncated·by·diffoscope;·len:·515,·SHA:·06ebed3267e51a8ed20f26fe0fd8efd94042d12d7d52dcb286e8269780f4609b·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="p"·data-group-id=" | 144 | </span><span·class="p"·data-group-id="1774890470-2">[</span><span·class="p"·data-group-id="1774890470-3">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="1774890470-3">}</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·1017,·SHA:·9da30a90c0f4c4abe998b8889eb8ca682ff88b4163fed6b4e9ebb89912040d26·...·]-1">)</span><span·class="p">.</span></code></pre><p>A·fixed-size·array·does·not·grow·automatically·and·does·not·allow·accesses |
| 145 | beyond·the·last·set·entry:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 145 | beyond·the·last·set·entry:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0508275033-1">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="p"·data-group-id="0508275033-2">{</span><span·class="ss">badarg</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id="0508275033[·...·truncated·by·diffoscope;·len:·644,·SHA:·76511e0a307b100df574695ce8a05817501b30b4903e196061b277b625248f75·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 146 | </span><span·class="p"·data-group-id=" | 146 | </span><span·class="p"·data-group-id="0508275033-5">{</span><span·class="ss">'EXIT'</span><span·class="p">,</span><span·class="p"·data-group-id="0508275033-6">{</span><span·class="ss">badarg</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id="0508275033[·...·truncated·by·diffoscope;·len:·568,·SHA:·6465f324f687b320ee0ca2cb021d23401d02a96bc32661edc218ba62945d399f·...·]-7">)</span><span·class="p">.</span></code></pre> |
| 147 | ····</section> | 147 | ····</section> |
| 148 | </div> | 148 | </div> |
| 149 | ··<section·id="summary"·class="details-list"> | 149 | ··<section·id="summary"·class="details-list"> |
| 150 | ····<h1·class="section-heading"> | 150 | ····<h1·class="section-heading"> |
| 151 | ······<a·class="hover-link"·href="#summary"> | 151 | ······<a·class="hover-link"·href="#summary"> |
| Offset 1138, 15 lines modified | Offset 1138, 15 lines modified | ||
| 1138 | ······</div> | 1138 | ······</div> |
| 1139 | <p>Creates·a·new·array·according·to·the·specified·options.·By·default,·the·array·is | 1139 | <p>Creates·a·new·array·according·to·the·specified·options.·By·default,·the·array·is |
| 1140 | extendible·and·has·initial·size·zero.·Array·indices·start·at·<code·class="inline">0</code>.</p><p><code·class="inline">Options</code>·is·a·single·term·or·a·list·of·terms,·selected·from·the·following:</p><ul><li><p><strong><code·class="inline">N::integer()·>=·0</code>·or·<code·class="inline">{size,·N::integer()·>=·0}</code></strong>·-·Specifies·the·initial | 1140 | extendible·and·has·initial·size·zero.·Array·indices·start·at·<code·class="inline">0</code>.</p><p><code·class="inline">Options</code>·is·a·single·term·or·a·list·of·terms,·selected·from·the·following:</p><ul><li><p><strong><code·class="inline">N::integer()·>=·0</code>·or·<code·class="inline">{size,·N::integer()·>=·0}</code></strong>·-·Specifies·the·initial |
| 1141 | array·size;·this·also·implies·<code·class="inline">{fixed,·true}</code>.·If·<code·class="inline">N</code>·is·not·a·non-negative | 1141 | array·size;·this·also·implies·<code·class="inline">{fixed,·true}</code>.·If·<code·class="inline">N</code>·is·not·a·non-negative |
| 1142 | integer,·the·call·fails·with·reason·<code·class="inline">badarg</code>.</p></li><li><p><strong><code·class="inline">fixed</code>·or·<code·class="inline">{fixed,·true}</code></strong>·-·Creates·a·fixed-size·array.·See·also·<a·href="#fix/1"><code·class="inline">fix/1</code></a>.</p></li><li><p><strong><code·class="inline">{fixed,·false}</code></strong>·-·Creates·an·extendible·(non-fixed-size)·array.</p></li><li><p><strong><code·class="inline">{default,·Value}</code></strong>·-·Sets·the·default·value·for·the·array·to·<code·class="inline">Value</code>.</p></li></ul><p>Options·are·processed·in·the·order·they·occur·in·the·list,·that·is,·later | 1142 | integer,·the·call·fails·with·reason·<code·class="inline">badarg</code>.</p></li><li><p><strong><code·class="inline">fixed</code>·or·<code·class="inline">{fixed,·true}</code></strong>·-·Creates·a·fixed-size·array.·See·also·<a·href="#fix/1"><code·class="inline">fix/1</code></a>.</p></li><li><p><strong><code·class="inline">{fixed,·false}</code></strong>·-·Creates·an·extendible·(non-fixed-size)·array.</p></li><li><p><strong><code·class="inline">{default,·Value}</code></strong>·-·Sets·the·default·value·for·the·array·to·<code·class="inline">Value</code>.</p></li></ul><p>Options·are·processed·in·the·order·they·occur·in·the·list,·that·is,·later |
| 1143 | options·have·higher·precedence.</p><p>The·default·value·is·used·as·the·value·of·uninitialized·entries,·and·cannot·be | 1143 | options·have·higher·precedence.</p><p>The·default·value·is·used·as·the·value·of·uninitialized·entries,·and·cannot·be |
| 1144 | changed·once·the·array·has·been·created.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">array</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 1144 | changed·once·the·array·has·been·created.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">array</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="8821551274-1">(</span><span·class="mi">100</span><span·class="p"·data-group-id="8821551274-1">)</span></code></pre><p>creates·a·fixed-size·array·of·size·100.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">array</span><span·class="p">:<[·...·truncated·by·diffoscope;·len:·1391,·SHA:·dc5b6d7bee28481a000931ddef1b30ab7a1b861a936b6aae348c0b3dd5c41a97·...·]-1">)</span></code></pre><p>creates·an·extendible·array·with·initial·size·10·whose·default·value·is·<code·class="inline">-1</code>.</p><p>See·also·<a·href="#fix/1"><code·class="inline">fix/1</code></a>,·<a·href="#from_list/2"><code·class="inline">from_list/2</code></a>,·<a·href="#get/2"><code·class="inline">get/2</code></a>,·<a·href="#new/0"><code·class="inline">new/0</code></a>,·<a·href="#new/2"><code·class="inline">new/2</code></a>,·<a·href="#set/3"><code·class="inline">set/3</code></a>.</p> |
| 1145 | ··</section> | 1145 | ··</section> |
| 1146 | </section> | 1146 | </section> |
| 1147 | <section·class="detail"·id="new/2"> | 1147 | <section·class="detail"·id="new/2"> |
| 1148 | ··<div·class="detail-header"> | 1148 | ··<div·class="detail-header"> |
| 1149 | ····<a·href="#new/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1149 | ····<a·href="#new/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1150 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1150 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 1169 | ······</div> | 1169 | ······</div> |
| 1170 | <p>Creates·a·new·array·according·to·the·specified·size·and·options.</p><p>If·<code·class="inline">Size</code>·is·not·a·non-negative·integer,·the·call·fails·with·reason·<code·class="inline">badarg</code>. | 1170 | <p>Creates·a·new·array·according·to·the·specified·size·and·options.</p><p>If·<code·class="inline">Size</code>·is·not·a·non-negative·integer,·the·call·fails·with·reason·<code·class="inline">badarg</code>. |
| 1171 | By·default,·the·array·has·fixed·size.·Notice·that·any·size·specifications·in | 1171 | By·default,·the·array·has·fixed·size.·Notice·that·any·size·specifications·in |
| 1172 | <code·class="inline">Options</code>·override·parameter·<code·class="inline">Size</code>.</p><p>If·<code·class="inline">Options</code>·is·a·list,·this·is·equivalent·to | 1172 | <code·class="inline">Options</code>·override·parameter·<code·class="inline">Size</code>.</p><p>If·<code·class="inline">Options</code>·is·a·list,·this·is·equivalent·to |
| 1173 | <a·href="#new/1"><code·class="inline">new([{size,·Size}·|·Options])</code></a>,·otherwise·it·is·equivalent·to | 1173 | <a·href="#new/1"><code·class="inline">new([{size,·Size}·|·Options])</code></a>,·otherwise·it·is·equivalent·to |
| 1174 | <a·href="#new/1"><code·class="inline">new([{size,·Size}·|·[Options]])</code></a>.·However,·using·this·function | 1174 | <a·href="#new/1"><code·class="inline">new([{size,·Size}·|·[Options]])</code></a>.·However,·using·this·function |
| 1175 | directly·is·more·efficient.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">array</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 1175 | directly·is·more·efficient.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">array</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="2397206976-1">(</span><span·class="mi">100</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2397206976-2">{</span><span·class="ss">default</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·68,·SHA:·6bf64c9418a2a127b2504501307ee843bc612469cf64d2300a7bcd5bec16c9e8·...·]-1">)</span></code></pre><p>creates·a·fixed-size·array·of·size·100,·whose·default·value·is·<code·class="inline">0</code>.</p><p>See·also·<a·href="#new/1"><code·class="inline">new/1</code></a>.</p> |
| 1176 | ··</section> | 1176 | ··</section> |
| 1177 | </section> | 1177 | </section> |
| 1178 | <section·class="detail"·id="relax/1"> | 1178 | <section·class="detail"·id="relax/1"> |
| 1179 | ··<div·class="detail-header"> | 1179 | ··<div·class="detail-header"> |
| 1180 | ····<a·href="#relax/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1180 | ····<a·href="#relax/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1181 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1181 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1583, 15 lines modified | Offset 1583, 15 lines modified | ||
| 1583 | ······<p·class="built-using"> | 1583 | ······<p·class="built-using"> |
| 1584 | ········Built·using | 1584 | ········Built·using |
| 1585 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1585 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1586 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1586 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1587 | ······</p> | 1587 | ······</p> |
| 1588 | <p>Copyright·©·1996-202 | 1588 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1589 | ····</footer> | 1589 | ····</footer> |
| 1590 | ··</div> | 1590 | ··</div> |
| 1591 | </main> | 1591 | </main> |
| 1592 | </div> | 1592 | </div> |
| 1593 | <script> | 1593 | <script> |
| 1594 | ··function·mermaidLoaded()·{ | 1594 | ··function·mermaidLoaded()·{ |
| 1595 | ····mermaid.initialize({ | 1595 | ····mermaid.initialize({ |
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| 128 | <p>Assert·macros.</p><h2·id="description"·class="section-heading"> | 128 | <p>Assert·macros.</p><h2·id="description"·class="section-heading"> |
| 129 | ··<a·href="#description"·class="hover-link"> | 129 | ··<a·href="#description"·class="hover-link"> |
| 130 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 130 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 131 | ··</a> | 131 | ··</a> |
| 132 | ··<span·class="text">Description</span> | 132 | ··<span·class="text">Description</span> |
| 133 | </h2> | 133 | </h2> |
| 134 | <p>The·include·file·<code·class="inline">assert.hrl</code>·provides·macros·for·inserting·assertions·in·your | 134 | <p>The·include·file·<code·class="inline">assert.hrl</code>·provides·macros·for·inserting·assertions·in·your |
| 135 | program·code.</p><p>Include·the·following·directive·in·the·module·from·which·the·function·is·called:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 135 | program·code.</p><p>Include·the·following·directive·in·the·module·from·which·the·function·is·called:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="2486329554-1">(</span><span·class="s">"stdlib/include/assert.hrl"</span><span·class="p"·data-group-id="2486329554-1">)</span><span·class="p">.</span></code></pre><p>When·an·assertion·succeeds,·the·assert·macro·yields·the·atom·<code·class="inline">ok</code>.·When·an |
| 136 | assertion·fails,·an·exception·of·type·<code·class="inline">error</code>·is·generated.·The·associated·error | 136 | assertion·fails,·an·exception·of·type·<code·class="inline">error</code>·is·generated.·The·associated·error |
| 137 | term·has·the·form·<code·class="inline">{Macro,·Info}</code>.·<code·class="inline">Macro</code>·is·the·macro·name,·for·example, | 137 | term·has·the·form·<code·class="inline">{Macro,·Info}</code>.·<code·class="inline">Macro</code>·is·the·macro·name,·for·example, |
| 138 | <code·class="inline">assertEqual</code>.·<code·class="inline">Info</code>·is·a·list·of·tagged·values,·such·as | 138 | <code·class="inline">assertEqual</code>.·<code·class="inline">Info</code>·is·a·list·of·tagged·values,·such·as |
| 139 | <code·class="inline">[{module,·M},·{line,·L},·...]</code>,·which·gives·more·information·about·the·location | 139 | <code·class="inline">[{module,·M},·{line,·L},·...]</code>,·which·gives·more·information·about·the·location |
| 140 | and·cause·of·the·exception.·All·entries·in·the·<code·class="inline">Info</code>·list·are·optional;·do·not | 140 | and·cause·of·the·exception.·All·entries·in·the·<code·class="inline">Info</code>·list·are·optional;·do·not |
| 141 | rely·programmatically·on·any·of·them·being·present.</p><p>Each·assert·macro·has·a·corresponding·version·with·an·extra·argument,·for·adding | 141 | rely·programmatically·on·any·of·them·being·present.</p><p>Each·assert·macro·has·a·corresponding·version·with·an·extra·argument,·for·adding |
| 142 | comments·to·assertions.·These·can·for·example·be·printed·as·part·of·error | 142 | comments·to·assertions.·These·can·for·example·be·printed·as·part·of·error |
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| 156 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 156 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 157 | ··</a> | 157 | ··</a> |
| 158 | ··<span·class="text">Macros</span> | 158 | ··<span·class="text">Macros</span> |
| 159 | </h2> | 159 | </h2> |
| 160 | <ul><li><p><strong><code·class="inline">assert(BoolExpr)</code></strong></p></li><li><p><strong><code·class="inline">assert(BoolExpr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">BoolExpr</code>·completes·normally | 160 | <ul><li><p><strong><code·class="inline">assert(BoolExpr)</code></strong></p></li><li><p><strong><code·class="inline">assert(BoolExpr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">BoolExpr</code>·completes·normally |
| 161 | returning·<code·class="inline">true</code>.</p></li><li><p><strong><code·class="inline">assertNot(BoolExpr)</code></strong></p></li><li><p><strong><code·class="inline">assertNot(BoolExpr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">BoolExpr</code>·completes·normally | 161 | returning·<code·class="inline">true</code>.</p></li><li><p><strong><code·class="inline">assertNot(BoolExpr)</code></strong></p></li><li><p><strong><code·class="inline">assertNot(BoolExpr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">BoolExpr</code>·completes·normally |
| 162 | returning·<code·class="inline">false</code>.</p></li><li><p><strong><code·class="inline">assertMatch(GuardedPattern,·Expr)</code></strong></p></li><li><p><strong><code·class="inline">assertMatch(GuardedPattern,·Expr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">Expr</code>·completes | 162 | returning·<code·class="inline">false</code>.</p></li><li><p><strong><code·class="inline">assertMatch(GuardedPattern,·Expr)</code></strong></p></li><li><p><strong><code·class="inline">assertMatch(GuardedPattern,·Expr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">Expr</code>·completes |
| 163 | normally·yielding·a·value·that·matches·<code·class="inline">GuardedPattern</code>,·for·example:</p><pre><code·class="text">?assertMatch({bork,·_},·f())</code></pre><p>Notice·that·a·guard·<code·class="inline">when·...</code>·can·be·included:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="nf">assertMatch</span><span·class="p"·data-group-id=" | 163 | normally·yielding·a·value·that·matches·<code·class="inline">GuardedPattern</code>,·for·example:</p><pre><code·class="text">?assertMatch({bork,·_},·f())</code></pre><p>Notice·that·a·guard·<code·class="inline">when·...</code>·can·be·included:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="nf">assertMatch</span><span·class="p"·data-group-id="0534799337-1">(</span><span·class="p"·data-group-id="0534799337-2">{</span><span·class="ss">bork</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="0534799337-2">}</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·391,·SHA:·8615214616e1c7e0faca9f196e63010ff9d859e409ffcf626dd3d9c21bc693e1·...·]-1">)</span></code></pre></li><li><p><strong><code·class="inline">assertNotMatch(GuardedPattern,·Expr)</code></strong></p></li><li><p><strong><code·class="inline">assertNotMatch(GuardedPattern,·Expr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">Expr</code> |
| 164 | completes·normally·yielding·a·value·that·does·not·match·<code·class="inline">GuardedPattern</code>.</p><p>As·in·<code·class="inline">assertMatch</code>,·<code·class="inline">GuardedPattern</code>·can·have·a·<code·class="inline">when</code>·part.</p></li><li><p><strong><code·class="inline">assertEqual(ExpectedValue,·Expr)</code></strong></p></li><li><p><strong><code·class="inline">assertEqual(ExpectedValue,·Expr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">Expr</code>·completes | 164 | completes·normally·yielding·a·value·that·does·not·match·<code·class="inline">GuardedPattern</code>.</p><p>As·in·<code·class="inline">assertMatch</code>,·<code·class="inline">GuardedPattern</code>·can·have·a·<code·class="inline">when</code>·part.</p></li><li><p><strong><code·class="inline">assertEqual(ExpectedValue,·Expr)</code></strong></p></li><li><p><strong><code·class="inline">assertEqual(ExpectedValue,·Expr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">Expr</code>·completes |
| 165 | normally·yielding·a·value·that·is·exactly·equal·to·<code·class="inline">ExpectedValue</code>.</p></li><li><p><strong><code·class="inline">assertNotEqual(ExpectedValue,·Expr)</code></strong></p></li><li><p><strong><code·class="inline">assertNotEqual(ExpectedValue,·Expr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">Expr</code> | 165 | normally·yielding·a·value·that·is·exactly·equal·to·<code·class="inline">ExpectedValue</code>.</p></li><li><p><strong><code·class="inline">assertNotEqual(ExpectedValue,·Expr)</code></strong></p></li><li><p><strong><code·class="inline">assertNotEqual(ExpectedValue,·Expr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">Expr</code> |
| 166 | completes·normally·yielding·a·value·that·is·not·exactly·equal·to | 166 | completes·normally·yielding·a·value·that·is·not·exactly·equal·to |
| 167 | <code·class="inline">ExpectedValue</code>.</p></li><li><p><strong><code·class="inline">assertException(Class,·Term,·Expr)</code></strong></p></li><li><p><strong><code·class="inline">assertException(Class,·Term,·Expr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">Expr</code> | 167 | <code·class="inline">ExpectedValue</code>.</p></li><li><p><strong><code·class="inline">assertException(Class,·Term,·Expr)</code></strong></p></li><li><p><strong><code·class="inline">assertException(Class,·Term,·Expr,·Comment)</code></strong>·-·Tests·that·<code·class="inline">Expr</code> |
| 168 | completes·abnormally·with·an·exception·of·type·<code·class="inline">Class</code>·and·with·the·associated | 168 | completes·abnormally·with·an·exception·of·type·<code·class="inline">Class</code>·and·with·the·associated |
| 169 | <code·class="inline">Term</code>.·The·assertion·fails·if·<code·class="inline">Expr</code>·raises·a·different·exception·or·if·it | 169 | <code·class="inline">Term</code>.·The·assertion·fails·if·<code·class="inline">Expr</code>·raises·a·different·exception·or·if·it |
| 170 | completes·normally·returning·any·value.</p><p>Notice·that·both·<code·class="inline">Class</code>·and·<code·class="inline">Term</code>·can·be·guarded·patterns,·as·in | 170 | completes·normally·returning·any·value.</p><p>Notice·that·both·<code·class="inline">Class</code>·and·<code·class="inline">Term</code>·can·be·guarded·patterns,·as·in |
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| 218 | ······<p·class="built-using"> | 218 | ······<p·class="built-using"> |
| 219 | ········Built·using | 219 | ········Built·using |
| 220 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 220 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 221 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 221 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 222 | ······</p> | 222 | ······</p> |
| 223 | <p>Copyright·©·1996-202 | 223 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 224 | ····</footer> | 224 | ····</footer> |
| 225 | ··</div> | 225 | ··</div> |
| 226 | </main> | 226 | </main> |
| 227 | </div> | 227 | </div> |
| 228 | <script> | 228 | <script> |
| 229 | ··function·mermaidLoaded()·{ | 229 | ··function·mermaidLoaded()·{ |
| 230 | ····mermaid.initialize({ | 230 | ····mermaid.initialize({ |
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| 649 | ····················Data·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> | 649 | ····················Data·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> |
| 650 | ······</div> | 650 | ······</div> |
| 651 | <p>Decodes·a·base64·string·encoded·using·the·standard·alphabet·according·to | 651 | <p>Decodes·a·base64·string·encoded·using·the·standard·alphabet·according·to |
| 652 | <a·href="https://datatracker.ietf.org/doc/html/rfc4648#section-4">RFC·4648·Section·4</a>·to | 652 | <a·href="https://datatracker.ietf.org/doc/html/rfc4648#section-4">RFC·4648·Section·4</a>·to |
| 653 | plain·ASCII.</p><p>The·function·will·strips·away·any·whitespace·characters·and·check·for·the | 653 | plain·ASCII.</p><p>The·function·will·strips·away·any·whitespace·characters·and·check·for·the |
| 654 | the·correct·number·of·<code·class="inline">=</code>·padding·characters·at·the·end·of·the·encoded·string.</p><p>See·<a·href="#t:decode_options/0"><code·class="inline">decode_options/0</code></a>·for·details·on·which·options·can·be·passed.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="8 | 654 | the·correct·number·of·<code·class="inline">=</code>·padding·characters·at·the·end·of·the·encoded·string.</p><p>See·<a·href="#t:decode_options/0"><code·class="inline">decode_options/0</code></a>·for·details·on·which·options·can·be·passed.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="0827637529-1">(</span><span·class="s">"AQIDBA=="</span><span·class="p"·data-group-id="0827637529-1">)</span><span·class="p">.</span><span·class="w"> |
| 655 | </span><span·class="p"·data-group-id="8 | 655 | </span><span·class="p"·data-group-id="0827637529-2"><<</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="0827637529-2">>></span><span·class="gp·unselectable"> |
| 656 | 2>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="8 | 656 | 2>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="0827637529-3">(</span><span·class="s">"AQ·ID·BA=="</span><span·class="p"·data-group-id="0827637529-3">)</span><span·class="p">.</span><span·class="w"> |
| 657 | </span><span·class="p"·data-group-id="8 | 657 | </span><span·class="p"·data-group-id="0827637529-4"><<</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="0827637529-4">>></span><span·class="gp·unselectable"> |
| 658 | 3>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="8 | 658 | 3>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="0827637529-5">(</span><span·class="s">"AQIDBA="</span><span·class="p"·data-group-id="0827637529-5">)</span><span·class="p">.</span><span·class="w"> |
| 659 | </span><span·class="gt">**·exception·error:·missing_padding | 659 | </span><span·class="gt">**·exception·error:·missing_padding |
| 660 | ·····in·function··base64:decode_list/7·(base64.erl,·line·734) | 660 | ·····in·function··base64:decode_list/7·(base64.erl,·line·734) |
| 661 | ········***·data·to·decode·is·missing·final·=·padding·characters,·if·this·is·intended,·use·the·`padding·=>·false`·option</span><span·class="gp·unselectable"> | 661 | ········***·data·to·decode·is·missing·final·=·padding·characters,·if·this·is·intended,·use·the·`padding·=>·false`·option</span><span·class="gp·unselectable"> |
| 662 | 4>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="8 | 662 | 4>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="0827637529-6">(</span><span·class="s">"AQIDBA="</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0827637529-7">#{</span><span·class="w">·</span><span·class="ss">padding</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·188,·SHA:·a6038394b5609a69cb4b0f00a414917e4a4d2f52891a0039de724f1134bf1c69·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 663 | </span><span·class="p"·data-group-id="8 | 663 | </span><span·class="p"·data-group-id="0827637529-8"><<</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="0827637529-8">>></span></code></pre> |
| 664 | ··</section> | 664 | ··</section> |
| 665 | </section> | 665 | </section> |
| 666 | <section·class="detail"·id="decode_to_string/1"> | 666 | <section·class="detail"·id="decode_to_string/1"> |
| 667 | ··<div·class="detail-header"> | 667 | ··<div·class="detail-header"> |
| 668 | ····<a·href="#decode_to_string/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 668 | ····<a·href="#decode_to_string/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 669 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 669 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 896 | ·························Data·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> | 896 | ·························Data·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> |
| 897 | ······</div> | 897 | ······</div> |
| 898 | <p>Decodes·a·base64·"mime"·string·encoded·using·the·standard·alphabet·according·to | 898 | <p>Decodes·a·base64·"mime"·string·encoded·using·the·standard·alphabet·according·to |
| 899 | <a·href="https://datatracker.ietf.org/doc/html/rfc4648#section-4">RFC·4648·Section·4</a>·to | 899 | <a·href="https://datatracker.ietf.org/doc/html/rfc4648#section-4">RFC·4648·Section·4</a>·to |
| 900 | plain·ASCII.</p><p>The·function·will·strips·away·any·illegal·characters.·It·does·<em>not</em>·check·for·the | 900 | plain·ASCII.</p><p>The·function·will·strips·away·any·illegal·characters.·It·does·<em>not</em>·check·for·the |
| 901 | the·correct·number·of·<code·class="inline">=</code>·padding·characters·at·the·end·of·the·encoded·string.</p><p>See·<a·href="#t:decode_options/0"><code·class="inline">decode_options/0</code></a>·for·details·on·which·options·can·be·passed.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">mime_decode</span><span·class="p"·data-group-id=" | 901 | the·correct·number·of·<code·class="inline">=</code>·padding·characters·at·the·end·of·the·encoded·string.</p><p>See·<a·href="#t:decode_options/0"><code·class="inline">decode_options/0</code></a>·for·details·on·which·options·can·be·passed.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">mime_decode</span><span·class="p"·data-group-id="1056898275-1">(</span><span·class="s">"AQIDBA=="</span><span·class="p"·data-group-id="1056898275-1">)</span><span·class="p">.</span><span·class="w"> |
| 902 | </span><span·class="p"·data-group-id=" | 902 | </span><span·class="p"·data-group-id="1056898275-2"><<</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="1056898275-2">>></span><span·class="gp·unselectable"> |
| 903 | 2>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">mime_decode</span><span·class="p"·data-group-id=" | 903 | 2>·</span><span·class="nc">base64</span><span·class="p">:</span><span·class="nf">mime_decode</span><span·class="p"·data-group-id="1056898275-3">(</span><span·class="s">"AQIDB=A="</span><span·class="p"·data-group-id="1056898275-3">)</span><span·class="p">.</span><span·class="w"> |
| 904 | </span><span·class="p"·data-group-id=" | 904 | </span><span·class="p"·data-group-id="1056898275-4"><<</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="1056898275-4">>></span></code></pre> |
| 905 | ··</section> | 905 | ··</section> |
| 906 | </section> | 906 | </section> |
| 907 | <section·class="detail"·id="mime_decode_to_string/1"> | 907 | <section·class="detail"·id="mime_decode_to_string/1"> |
| 908 | ··<div·class="detail-header"> | 908 | ··<div·class="detail-header"> |
| 909 | ····<a·href="#mime_decode_to_string/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 909 | ····<a·href="#mime_decode_to_string/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 910 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 910 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 991 | ······<p·class="built-using"> | 991 | ······<p·class="built-using"> |
| 992 | ········Built·using | 992 | ········Built·using |
| 993 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 993 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 994 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 994 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 995 | ······</p> | 995 | ······</p> |
| 996 | <p>Copyright·©·1996-202 | 996 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 997 | ····</footer> | 997 | ····</footer> |
| 998 | ··</div> | 998 | ··</div> |
| 999 | </main> | 999 | </main> |
| 1000 | </div> | 1000 | </div> |
| 1001 | <script> | 1001 | <script> |
| 1002 | ··function·mermaidLoaded()·{ | 1002 | ··function·mermaidLoaded()·{ |
| 1003 | ····mermaid.initialize({ | 1003 | ····mermaid.initialize({ |
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| 147 | <a·href="#strip_files/1"><code·class="inline">strip_files/1</code></a>,·and/or·<a·href="#strip_release/1"><code·class="inline">strip_release/1</code></a>.</p><h2·id="module-reconstruct-source-code"·class="section-heading"> | 147 | <a·href="#strip_files/1"><code·class="inline">strip_files/1</code></a>,·and/or·<a·href="#strip_release/1"><code·class="inline">strip_release/1</code></a>.</p><h2·id="module-reconstruct-source-code"·class="section-heading"> |
| 148 | ··<a·href="#module-reconstruct-source-code"·class="hover-link"> | 148 | ··<a·href="#module-reconstruct-source-code"·class="hover-link"> |
| 149 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 149 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 150 | ··</a> | 150 | ··</a> |
| 151 | ··<span·class="text">Reconstruct·Source·Code</span> | 151 | ··<span·class="text">Reconstruct·Source·Code</span> |
| 152 | </h2> | 152 | </h2> |
| 153 | <p>The·following·example·shows·how·to·reconstruct·Erlang·source·code·from·the·debug | 153 | <p>The·following·example·shows·how·to·reconstruct·Erlang·source·code·from·the·debug |
| 154 | information·in·a·BEAM·file·<code·class="inline">Beam</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 154 | information·in·a·BEAM·file·<code·class="inline">Beam</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5932830084-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="5932830084-2">{</span><span·class="p">_</span><span·class="p">,</span><span·class="p"·data-group-id="5932830084-3">[</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·921,·SHA:·a71c26b996c5e4d8a64c990053ecd331612302ed26f895e6f70ca3bb8129d81b·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">fwrite</span><span·class="p"·data-group-id=" | 155 | </span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">fwrite</span><span·class="p"·data-group-id="5932830084-8">(</span><span·class="s">"</span><span·class="si">~s</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5932830084-9">[</span><span·class="nc">erl_pr[·...·truncated·by·diffoscope;·len:·493,·SHA:·a0b45062410dfa0914a504eeed7fdabb9396f67d8f8fd4b76a7fe11d71fa7093·...·]-8">)</span><span·class="p">.</span></code></pre><h2·id="module-encrypted-debug-information"·class="section-heading"> |
| 156 | ··<a·href="#module-encrypted-debug-information"·class="hover-link"> | 156 | ··<a·href="#module-encrypted-debug-information"·class="hover-link"> |
| 157 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 157 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 158 | ··</a> | 158 | ··</a> |
| 159 | ··<span·class="text">Encrypted·Debug·Information</span> | 159 | ··<span·class="text">Encrypted·Debug·Information</span> |
| 160 | </h2> | 160 | </h2> |
| 161 | <p>The·debug·information·can·be·encrypted·to·keep·the·source·code·secret,·but·still | 161 | <p>The·debug·information·can·be·encrypted·to·keep·the·source·code·secret,·but·still |
| 162 | be·able·to·use·tools·such·as·Debugger·or·Xref.</p><p>To·use·encrypted·debug·information,·a·key·must·be·provided·to·the·compiler·and | 162 | be·able·to·use·tools·such·as·Debugger·or·Xref.</p><p>To·use·encrypted·debug·information,·a·key·must·be·provided·to·the·compiler·and |
| Offset 178, 21 lines modified | Offset 178, 21 lines modified | ||
| 178 | ··</a> | 178 | ··</a> |
| 179 | ··<span·class="text">.erlang.crypt</span> | 179 | ··<span·class="text">.erlang.crypt</span> |
| 180 | </h2> | 180 | </h2> |
| 181 | <p><code·class="inline">beam_lib</code>·searches·for·<code·class="inline">.erlang.crypt</code>·in·the·current·directory,·then·the | 181 | <p><code·class="inline">beam_lib</code>·searches·for·<code·class="inline">.erlang.crypt</code>·in·the·current·directory,·then·the |
| 182 | <a·href="../../../../erts-15.2.3/doc/html/init.html#home">user's·home·directory</a>·and·then | 182 | <a·href="../../../../erts-15.2.3/doc/html/init.html#home">user's·home·directory</a>·and·then |
| 183 | <a·href="filename.html#user_config"><code·class="inline">filename:basedir(user_config,·"erlang")</code></a>.·If·the | 183 | <a·href="filename.html#user_config"><code·class="inline">filename:basedir(user_config,·"erlang")</code></a>.·If·the |
| 184 | file·is·found·and·contains·a·key,·<code·class="inline">beam_lib</code>·implicitly·creates·a·crypto·key·fun | 184 | file·is·found·and·contains·a·key,·<code·class="inline">beam_lib</code>·implicitly·creates·a·crypto·key·fun |
| 185 | and·registers·it.</p><p>File·<code·class="inline">.erlang.crypt</code>·is·to·contain·a·single·list·of·tuples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 185 | and·registers·it.</p><p>File·<code·class="inline">.erlang.crypt</code>·is·to·contain·a·single·list·of·tuples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7806252320-1">{</span><span·class="ss">debug_info</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mode</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·67,·SHA:·1b2ee1bcc24b5ce7579c20b8b3bad3ce42134789f2d18d39d7a9ca1bfab679fc·...·]-1">}</span></code></pre><p><code·class="inline">Mode</code>·is·the·type·of·crypto·algorithm;·currently,·the·only·allowed·value·is |
| 186 | <code·class="inline">des3_cbc</code>.·<code·class="inline">Module</code>·is·either·an·atom,·in·which·case·<code·class="inline">Key</code>·is·only·used·for·the | 186 | <code·class="inline">des3_cbc</code>.·<code·class="inline">Module</code>·is·either·an·atom,·in·which·case·<code·class="inline">Key</code>·is·only·used·for·the |
| 187 | module·<code·class="inline">Module</code>,·or·<code·class="inline">[]</code>,·in·which·case·<code·class="inline">Key</code>·is·used·for·all·modules.·<code·class="inline">Key</code>·is | 187 | module·<code·class="inline">Module</code>,·or·<code·class="inline">[]</code>,·in·which·case·<code·class="inline">Key</code>·is·used·for·all·modules.·<code·class="inline">Key</code>·is |
| 188 | the·non-empty·key·string.</p><p><code·class="inline">Key</code>·in·the·first·tuple·where·both·<code·class="inline">Mode</code>·and·<code·class="inline">Module</code>·match·is·used.</p><p>The·following·is·an·example·of·an·<code·class="inline">.erlang.crypt</code>·file·that·returns·the·same·key | 188 | the·non-empty·key·string.</p><p><code·class="inline">Key</code>·in·the·first·tuple·where·both·<code·class="inline">Mode</code>·and·<code·class="inline">Module</code>·match·is·used.</p><p>The·following·is·an·example·of·an·<code·class="inline">.erlang.crypt</code>·file·that·returns·the·same·key |
| 189 | for·all·modules:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="46 | 189 | for·all·modules:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4166416762-1">[</span><span·class="p"·data-group-id="4166416762-2">{</span><span·class="ss">debug_info</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">des3_cbc</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·302,·SHA:·7932d5fb3820e96a48e8a2c573710bec1ab4452b85a2f1481517570776dc418e·...·]-1">]</span><span·class="p">.</span></code></pre><p>The·following·is·a·slightly·more·complicated·example·of·an·<code·class="inline">.erlang.crypt</code> |
| 190 | providing·one·key·for·module·<code·class="inline">t</code>·and·another·key·for·all·other·modules:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 190 | providing·one·key·for·module·<code·class="inline">t</code>·and·another·key·for·all·other·modules:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1448974988-1">[</span><span·class="p"·data-group-id="1448974988-2">{</span><span·class="ss">debug_info</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">des3_cbc</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">t<[·...·truncated·by·diffoscope;·len:·136,·SHA:·cc93c1f5891ef77dbfa35b4fdeffd599c8315e5f28d327aebfc072d2e9cfcb8e·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 191 | ·</span><span·class="p"·data-group-id=" | 191 | ·</span><span·class="p"·data-group-id="1448974988-3">{</span><span·class="ss">debug_info</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">des3_cbc</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1448974988-4">[</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·250,·SHA:·5b7da220dde82fa4a38bb086a31c6139f5487c8add379cede574fab9b1958ccb·...·]-1">]</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Do·not·use·any·of·the·keys·in·these·examples.·Use·your·own·keys.</p></section> |
| 192 | ····</section> | 192 | ····</section> |
| 193 | </div> | 193 | </div> |
| 194 | ··<section·id="summary"·class="details-list"> | 194 | ··<section·id="summary"·class="details-list"> |
| 195 | ····<h1·class="section-heading"> | 195 | ····<h1·class="section-heading"> |
| 196 | ······<a·class="hover-link"·href="#summary"> | 196 | ······<a·class="hover-link"·href="#summary"> |
| Offset 1494, 19 lines modified | Offset 1494, 19 lines modified | ||
| 1494 | ························when·CryptoKeyFun·::·<a·href="#t:crypto_fun/0">crypto_fun</a>(),·Reason·::·badfun·|·exists·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1494 | ························when·CryptoKeyFun·::·<a·href="#t:crypto_fun/0">crypto_fun</a>(),·Reason·::·badfun·|·exists·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1495 | ······</div> | 1495 | ······</div> |
| 1496 | <p>Registers·an·unary·fun·that·is·called·if·<code·class="inline">beam_lib</code>·must·read·an·<code·class="inline">debug_info</code> | 1496 | <p>Registers·an·unary·fun·that·is·called·if·<code·class="inline">beam_lib</code>·must·read·an·<code·class="inline">debug_info</code> |
| 1497 | chunk·that·has·been·encrypted.·The·fun·is·held·in·a·process·that·is·started·by | 1497 | chunk·that·has·been·encrypted.·The·fun·is·held·in·a·process·that·is·started·by |
| 1498 | the·function.</p><p>If·a·fun·is·already·registered·when·attempting·to·register·a·fun, | 1498 | the·function.</p><p>If·a·fun·is·already·registered·when·attempting·to·register·a·fun, |
| 1499 | <code·class="inline">{error,·exists}</code>·is·returned.</p><p>The·fun·must·handle·the·following·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">CryptoKeyFun</span><span·class="p"·data-group-id=" | 1499 | <code·class="inline">{error,·exists}</code>·is·returned.</p><p>The·fun·must·handle·the·following·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">CryptoKeyFun</span><span·class="p"·data-group-id="7213149883-1">(</span><span·class="ss">init</span><span·class="p"·data-group-id="7213149883-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">|</span><sp[·...·truncated·by·diffoscope;·len:·509,·SHA:·834f90ac4fa23240752b1265d4316e7839a19b111241fff9d582a9f53f9f8c34·...·]-3">}</span></code></pre><p>Called·when·the·fun·is·registered,·in·the·process·that·holds·the·fun.·Here·the |
| 1500 | crypto·key·fun·can·do·any·necessary·initializations.·If·<code·class="inline">{ok,·NewCryptoKeyFun}</code> | 1500 | crypto·key·fun·can·do·any·necessary·initializations.·If·<code·class="inline">{ok,·NewCryptoKeyFun}</code> |
| 1501 | is·returned,·<code·class="inline">NewCryptoKeyFun</code>·is·registered·instead·of·<code·class="inline">CryptoKeyFun</code>.·If | 1501 | is·returned,·<code·class="inline">NewCryptoKeyFun</code>·is·registered·instead·of·<code·class="inline">CryptoKeyFun</code>.·If |
| 1502 | <code·class="inline">{error,·Term}</code>·is·returned,·the·registration·is·aborted·and | 1502 | <code·class="inline">{error,·Term}</code>·is·returned,·the·registration·is·aborted·and |
| 1503 | <a·href="#crypto_key_fun/1"><code·class="inline">crypto_key_fun/1</code></a>·also·returns·<code·class="inline">{error,·Term}</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">CryptoKeyFun</span><span·class="p"·data-group-id=" | 1503 | <a·href="#crypto_key_fun/1"><code·class="inline">crypto_key_fun/1</code></a>·also·returns·<code·class="inline">{error,·Term}</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">CryptoKeyFun</span><span·class="p"·data-group-id="3357703664-1">(</span><span·class="p"·data-group-id="3357703664-2">{</span><span·class="ss">debug_info</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Mode</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</[·...·truncated·by·diffoscope;·len:·178,·SHA:·4b256fe8d8189c8948dc10d4cc51c43050da5e450a9c7f0a45bfdf80b6a4d67d·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Key</span></code></pre><p>Called·when·the·key·is·needed·for·module·<code·class="inline">Module</code>·in·the·file·named·<code·class="inline">Filename</code>. |
| 1504 | <code·class="inline">Mode</code>·is·the·type·of·crypto·algorithm;·currently,·the·only·possible·value·is | 1504 | <code·class="inline">Mode</code>·is·the·type·of·crypto·algorithm;·currently,·the·only·possible·value·is |
| 1505 | <code·class="inline">des3_cbc</code>.·The·call·is·to·fail·(raise·an·exception)·if·no·key·is·available.</p><pre><code·class="text">CryptoKeyFun(clear)·->·term()</code></pre><p>Called·before·the·fun·is·unregistered.·Here·any·cleaning·up·can·be·done.·The | 1505 | <code·class="inline">des3_cbc</code>.·The·call·is·to·fail·(raise·an·exception)·if·no·key·is·available.</p><pre><code·class="text">CryptoKeyFun(clear)·->·term()</code></pre><p>Called·before·the·fun·is·unregistered.·Here·any·cleaning·up·can·be·done.·The |
| 1506 | return·value·is·not·important,·but·is·passed·back·to·the·caller·of | 1506 | return·value·is·not·important,·but·is·passed·back·to·the·caller·of |
| 1507 | <a·href="#clear_crypto_key_fun/0"><code·class="inline">clear_crypto_key_fun/0</code></a>·as·part·of·its·return·value.</p> | 1507 | <a·href="#clear_crypto_key_fun/0"><code·class="inline">clear_crypto_key_fun/0</code></a>·as·part·of·its·return·value.</p> |
| 1508 | ··</section> | 1508 | ··</section> |
| 1509 | </section> | 1509 | </section> |
| 1510 | <section·class="detail"·id="diff_dirs/2"> | 1510 | <section·class="detail"·id="diff_dirs/2"> |
| Offset 1843, 22 lines modified | Offset 1843, 22 lines modified | ||
| 1843 | ······</div> | 1843 | ······</div> |
| 1844 | <p>Returns·the·module·version·or·versions.·A·version·is·defined·by·module·attribute | 1844 | <p>Returns·the·module·version·or·versions.·A·version·is·defined·by·module·attribute |
| 1845 | <code·class="inline">-vsn(Vsn)</code>.</p><p>If·this·attribute·is·not·specified,·the·version·defaults·to·the | 1845 | <code·class="inline">-vsn(Vsn)</code>.</p><p>If·this·attribute·is·not·specified,·the·version·defaults·to·the |
| 1846 | checksum·of·the·module.·Notice·that·if·version·<code·class="inline">Vsn</code>·is·not·a·list,·it·is·made | 1846 | checksum·of·the·module.·Notice·that·if·version·<code·class="inline">Vsn</code>·is·not·a·list,·it·is·made |
| 1847 | into·one,·that·is·<code·class="inline">{ok,{Module,[Vsn]}}</code>·is·returned.·If·there·are·many·<code·class="inline">-vsn</code> | 1847 | into·one,·that·is·<code·class="inline">{ok,{Module,[Vsn]}}</code>·is·returned.·If·there·are·many·<code·class="inline">-vsn</code> |
| 1848 | module·attributes,·the·result·is·the·concatenated·list·of·versions.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">beam_lib</span><span·class="p">:</span><span·class="nf">version</span><span·class="p"·data-group-id=" | 1848 | module·attributes,·the·result·is·the·concatenated·list·of·versions.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">beam_lib</span><span·class="p">:</span><span·class="nf">version</span><span·class="p"·data-group-id="6021163114-1">(</span><span·class="ss">a</span><span·class="p"·data-group-id="6021163114-1">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·-vsn(1).</span><span·class="w"> |
| 1849 | </span><span·class="p"·data-group-id=" | 1849 | </span><span·class="p"·data-group-id="6021163114-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="6021163114-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="p"·data-group-id="6021163114-4">[</span><span·class="mi">1</span><spa[·...·truncated·by·diffoscope;·len:·143,·SHA:·8f8f9e9f784e2dc84bf63b696b8843a00a7d4bb4b297b75841a77f9369abdccd·...·]-2">}</span><span·class="gp·unselectable"> |
| 1850 | 2>·</span><span·class="nc">beam_lib</span><span·class="p">:</span><span·class="nf">version</span><span·class="p"·data-group-id=" | 1850 | 2>·</span><span·class="nc">beam_lib</span><span·class="p">:</span><span·class="nf">version</span><span·class="p"·data-group-id="6021163114-5">(</span><span·class="ss">b</span><span·class="p"·data-group-id="6021163114-5">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·-vsn([1]).</span><span·class="w"> |
| 1851 | </span><span·class="p"·data-group-id=" | 1851 | </span><span·class="p"·data-group-id="6021163114-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="6021163114-7">{</span><span·class="ss">b</span><span·class="p">,</span><span·class="p"·data-group-id="6021163114-8">[</span><span·class="mi">1</span><spa[·...·truncated·by·diffoscope;·len:·143,·SHA:·ad8e1b336f55c5d02127ef8af251996ee878181ff10b9929e94f0dc1bf0ceea8·...·]-6">}</span><span·class="gp·unselectable"> |
| 1852 | 3>·</span><span·class="nc">beam_lib</span><span·class="p">:</span><span·class="nf">version</span><span·class="p"·data-group-id=" | 1852 | 3>·</span><span·class="nc">beam_lib</span><span·class="p">:</span><span·class="nf">version</span><span·class="p"·data-group-id="6021163114-9">(</span><span·class="ss">c</span><span·class="p"·data-group-id="6021163114-9">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·-vsn([1]).·-vsn(2).</span><span·class="w"> |
| 1853 | </span><span·class="p"·data-group-id=" | 1853 | </span><span·class="p"·data-group-id="6021163114-10">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="6021163114-11">{</span><span·class="ss">c</span><span·class="p">,</span><span·class="p"·data-group-id="6021163114-12">[</span><span·class="mi">1</span><[·...·truncated·by·diffoscope;·len:·197,·SHA:·29c8d30b356ee6c0b4fd51d2fa1cf89afe75aa45b5ffdd9bab67e9a1c329313e·...·]-10">}</span><span·class="gp·unselectable"> |
| 1854 | 4>·</span><span·class="nc">beam_lib</span><span·class="p">:</span><span·class="nf">version</span><span·class="p"·data-group-id=" | 1854 | 4>·</span><span·class="nc">beam_lib</span><span·class="p">:</span><span·class="nf">version</span><span·class="p"·data-group-id="6021163114-13">(</span><span·class="ss">d</span><span·class="p"·data-group-id="6021163114-13">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·no·-vsn·attribute</span><span·class="w"> |
| 1855 | </span><span·class="p"·data-group-id=" | 1855 | </span><span·class="p"·data-group-id="6021163114-14">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="6021163114-15">{</span><span·class="ss">d</span><span·class="p">,</span><span·class="p"·data-group-id="6021163114-16">[</span><span·class="mi">275613208[·...·truncated·by·diffoscope;·len:·186,·SHA:·04d606797e3bb3e4a87076c9d8f5ca989c8f329a00483ec42a045aa96302a2a6·...·]-14">}</span></code></pre> |
| 1856 | ··</section> | 1856 | ··</section> |
| 1857 | </section> | 1857 | </section> |
| 1858 | ····</div> | 1858 | ····</div> |
| 1859 | ··</section> | 1859 | ··</section> |
| 1860 | ····<footer·class="footer"> | 1860 | ····<footer·class="footer"> |
| Offset 1879, 15 lines modified | Offset 1879, 15 lines modified | ||
| 1879 | ······<p·class="built-using"> | 1879 | ······<p·class="built-using"> |
| 1880 | ········Built·using | 1880 | ········Built·using |
| 1881 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1881 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1882 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1882 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1883 | ······</p> | 1883 | ······</p> |
| 1884 | <p>Copyright·©·1996-202 | 1884 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1885 | ····</footer> | 1885 | ····</footer> |
| 1886 | ··</div> | 1886 | ··</div> |
| 1887 | </main> | 1887 | </main> |
| 1888 | </div> | 1888 | </div> |
| 1889 | <script> | 1889 | <script> |
| 1890 | ··function·mermaidLoaded()·{ | 1890 | ··function·mermaidLoaded()·{ |
| 1891 | ····mermaid.initialize({ | 1891 | ····mermaid.initialize({ |
| Offset 631, 15 lines modified | Offset 631, 15 lines modified | ||
| 631 | ······<div·class="specs"> | 631 | ······<div·class="specs"> |
| 632 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·bin_to_list(Subject)·->·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:byte/0">byte</a>()]·when·Subject·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> | 632 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·bin_to_list(Subject)·->·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:byte/0">byte</a>()]·when·Subject·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> |
| 633 | ······</div> | 633 | ······</div> |
| 634 | <p>Converts·<code·class="inline">Subject</code>·to·a·list·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:byte/0"><code·class="inline">byte/0</code></a>s,·each·representing·the·value·of·one·byte.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">bin_to_list</span><span·class="p"·data-group-id=" | 634 | <p>Converts·<code·class="inline">Subject</code>·to·a·list·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:byte/0"><code·class="inline">byte/0</code></a>s,·each·representing·the·value·of·one·byte.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">bin_to_list</span><span·class="p"·data-group-id="7498595891-1">(</span><span·class="p"·data-group-id="7498595891-2"><<</span><span·class="s">"erlang"</span><span·class="p"·data-group-id="7498595891-2">>></span><span·class="p"·data-group-id="7498595891-1">)</span><span·class="p">.</span><span·class="w"> |
| 635 | </span><span·class="s">"erlang"</span><span·class="w"> | 635 | </span><span·class="s">"erlang"</span><span·class="w"> |
| 636 | </span><span·class="c1">%%·or·[101,114,108,97,110,103]·in·list·notation.</span></code></pre> | 636 | </span><span·class="c1">%%·or·[101,114,108,97,110,103]·in·list·notation.</span></code></pre> |
| 637 | ··</section> | 637 | ··</section> |
| 638 | </section> | 638 | </section> |
| 639 | <section·class="detail"·id="bin_to_list/2"> | 639 | <section·class="detail"·id="bin_to_list/2"> |
| 640 | ··<div·class="detail-header"> | 640 | ··<div·class="detail-header"> |
| Offset 693, 15 lines modified | Offset 693, 15 lines modified | ||
| 693 | ·····················when·Subject·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(),·Pos·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(),·Len·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>().</pre> | 693 | ·····················when·Subject·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(),·Pos·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(),·Len·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>().</pre> |
| 694 | ······</div> | 694 | ······</div> |
| 695 | <p>Converts·<code·class="inline">Subject</code>·to·a·list·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:byte/0"><code·class="inline">byte/0</code></a>s,·each·representing·the·value·of·one | 695 | <p>Converts·<code·class="inline">Subject</code>·to·a·list·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:byte/0"><code·class="inline">byte/0</code></a>s,·each·representing·the·value·of·one |
| 696 | byte.·<code·class="inline">PosLen</code>·or·alternatively·<code·class="inline">Pos</code>·and·<code·class="inline">Len</code>·denote·which·part·of·the | 696 | byte.·<code·class="inline">PosLen</code>·or·alternatively·<code·class="inline">Pos</code>·and·<code·class="inline">Len</code>·denote·which·part·of·the |
| 697 | <code·class="inline">Subject</code>·binary·to·convert.·By·default,·the·entire·<code·class="inline">Subject</code>·binary·is | 697 | <code·class="inline">Subject</code>·binary·to·convert.·By·default,·the·entire·<code·class="inline">Subject</code>·binary·is |
| 698 | converted.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">bin_to_list</span><span·class="p"·data-group-id=" | 698 | converted.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">bin_to_list</span><span·class="p"·data-group-id="8505861201-1">(</span><span·class="p"·data-group-id="8505861201-2"><<</span><span·class="s">"erlang"</span><span·class="p"·data-group-id="8505861201-2">>></span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·196,·SHA:·789cc2d981043f6c9916e56f079dae841c8d9285ae6888fd4847d9832d748f25·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 699 | </span><span·class="s">"rla"</span><span·class="w"> | 699 | </span><span·class="s">"rla"</span><span·class="w"> |
| 700 | </span><span·class="c1">%%·or·[114,108,97]·in·list·notation.</span></code></pre><p>If·<code·class="inline">PosLen</code>·or·alternatively·<code·class="inline">Pos</code>·and·<code·class="inline">Len</code>·in·any·way·reference·outside·the | 700 | </span><span·class="c1">%%·or·[114,108,97]·in·list·notation.</span></code></pre><p>If·<code·class="inline">PosLen</code>·or·alternatively·<code·class="inline">Pos</code>·and·<code·class="inline">Len</code>·in·any·way·reference·outside·the |
| 701 | binary,·a·<code·class="inline">badarg</code>·exception·is·raised.</p> | 701 | binary,·a·<code·class="inline">badarg</code>·exception·is·raised.</p> |
| 702 | ··</section> | 702 | ··</section> |
| 703 | </section> | 703 | </section> |
| 704 | <section·class="detail"·id="compile_pattern/1"> | 704 | <section·class="detail"·id="compile_pattern/1"> |
| Offset 827, 16 lines modified | Offset 827, 16 lines modified | ||
| 827 | ······<div·class="specs"> | 827 | ······<div·class="specs"> |
| 828 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·decode_hex(Bin)·->·Bin2·when·Bin·::·<<_:_*16>>,·Bin2·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> | 828 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·decode_hex(Bin)·->·Bin2·when·Bin·::·<<_:_*16>>,·Bin2·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>().</pre> |
| 829 | ······</div> | 829 | ······</div> |
| 830 | <p>Decodes·a·hex·encoded·binary·into·a·binary.</p><p><em>Example</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">decode_hex</span><span·class="p"·data-group-id=" | 830 | <p>Decodes·a·hex·encoded·binary·into·a·binary.</p><p><em>Example</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">decode_hex</span><span·class="p"·data-group-id="9033188762-1">(</span><span·class="p"·data-group-id="9033188762-2"><<</span><span·class="s">"66"</span><span·class="p"·data-group-id="9033188762-2">>></span><span·class="p"·data-group-id="9033188762-1">)</span><span·class="p">.</span><span·class="w"> |
| 831 | </span><span·class="p"·data-group-id=" | 831 | </span><span·class="p"·data-group-id="9033188762-3"><<</span><span·class="s">"f"</span><span·class="p"·data-group-id="9033188762-3">>></span></code></pre> |
| 832 | ··</section> | 832 | ··</section> |
| 833 | </section> | 833 | </section> |
| 834 | <section·class="detail"·id="decode_unsigned/1"> | 834 | <section·class="detail"·id="decode_unsigned/1"> |
| 835 | ··<div·class="detail-header"> | 835 | ··<div·class="detail-header"> |
| 836 | ····<a·href="#decode_unsigned/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 836 | ····<a·href="#decode_unsigned/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 837 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 837 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 889, 19 lines modified | Offset 889, 19 lines modified | ||
| 889 | ·····························Subject·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(), | 889 | ·····························Subject·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(), |
| 890 | ·····························Endianness·::·big·|·little, | 890 | ·····························Endianness·::·big·|·little, |
| 891 | ·····························Unsigned·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>().</pre> | 891 | ·····························Unsigned·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>().</pre> |
| 892 | ······</div> | 892 | ······</div> |
| 893 | <p>Converts·the·binary·digit·representation,·in·big·endian·or·little·endian,·of·a | 893 | <p>Converts·the·binary·digit·representation,·in·big·endian·or·little·endian,·of·a |
| 894 | positive·integer·in·<code·class="inline">Subject</code>·to·an·Erlang·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">decode_unsigned</span><span·class="p"·data-group-id=" | 894 | positive·integer·in·<code·class="inline">Subject</code>·to·an·Erlang·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0"><code·class="inline">integer/0</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">decode_unsigned</span><span·class="p"·data-group-id="7620656295-1">(</span><span·class="p"·data-group-id="7620656295-2"><<</span><span·class="mi">169</span><span·class="p">,</span><span·class="mi">138</span><span·class="p">,</span><span·class="mi">199</span><span·class="p"·data-group-id="7620656295-2">[·...·truncated·by·diffoscope;·len:·55,·SHA:·e56ccc4fe206048573e21955f221bff3f085fb83fdd4be448b293399bb34b6d3·...·]5-1">)</span><span·class="p">.</span><span·class="w"> |
| 895 | </span><span·class="mi">11111111</span><span·class="gp·unselectable"> | 895 | </span><span·class="mi">11111111</span><span·class="gp·unselectable"> |
| 896 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">decode_unsigned</span><span·class="p"·data-group-id=" | 896 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">decode_unsigned</span><span·class="p"·data-group-id="7620656295-3">(</span><span·class="p"·data-group-id="7620656295-4"><<</span><span·class="mi">169</span><span·class="p">,</span><span·class="mi">138</span><span·class="p">,</span><span·class="mi">199</span><span·class="p"·data-group-id="7620656295-4">[·...·truncated·by·diffoscope;·len:·130,·SHA:·73477d2fee204aa9a4b4ad7ec75b917aefc5d1792403e409d9927dc349442330·...·]5-3">)</span><span·class="p">.</span><span·class="w"> |
| 897 | </span><span·class="mi">11111111</span><span·class="gp·unselectable"> | 897 | </span><span·class="mi">11111111</span><span·class="gp·unselectable"> |
| 898 | 3>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">decode_unsigned</span><span·class="p"·data-group-id=" | 898 | 3>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">decode_unsigned</span><span·class="p"·data-group-id="7620656295-5">(</span><span·class="p"·data-group-id="7620656295-6"><<</span><span·class="mi">169</span><span·class="p">,</span><span·class="mi">138</span><span·class="p">,</span><span·class="mi">199</span><span·class="p"·data-group-id="7620656295-6">[·...·truncated·by·diffoscope;·len:·133,·SHA:·2e8edaf2f2a991ba1509c55590518d8c1e6db9865ef9dad1edece9f2f6563dee·...·]5-5">)</span><span·class="p">.</span><span·class="w"> |
| 899 | </span><span·class="mi">13077161</span></code></pre> | 899 | </span><span·class="mi">13077161</span></code></pre> |
| 900 | ··</section> | 900 | ··</section> |
| 901 | </section> | 901 | </section> |
| 902 | <section·class="detail"·id="encode_hex/1"> | 902 | <section·class="detail"·id="encode_hex/1"> |
| 903 | ··<div·class="detail-header"> | 903 | ··<div·class="detail-header"> |
| 904 | ····<a·href="#encode_hex/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 904 | ····<a·href="#encode_hex/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 952, 22 lines modified | Offset 952, 22 lines modified | ||
| 952 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·encode_hex(Bin,·Case)·->·Bin2 | 952 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·encode_hex(Bin,·Case)·->·Bin2 |
| 953 | ····················when·Bin·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(),·Case·::·lowercase·|·uppercase,·Bin2·::·<<_:_*16>>.</pre> | 953 | ····················when·Bin·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(),·Case·::·lowercase·|·uppercase,·Bin2·::·<<_:_*16>>.</pre> |
| 954 | ······</div> | 954 | ······</div> |
| 955 | <p>Encodes·a·binary·into·a·hex·encoded·binary·using·the·specified·case·for·the | 955 | <p>Encodes·a·binary·into·a·hex·encoded·binary·using·the·specified·case·for·the |
| 956 | hexadecimal·digits·"a"·to·"f".</p><p>The·default·case·is·<code·class="inline">uppercase</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_hex</span><span·class="p"·data-group-id=" | 956 | hexadecimal·digits·"a"·to·"f".</p><p>The·default·case·is·<code·class="inline">uppercase</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_hex</span><span·class="p"·data-group-id="0418401943-1">(</span><span·class="p"·data-group-id="0418401943-2"><<</span><span·class="s">"f"</span><span·class="p"·data-group-id="0418401943-2">>></span><span·class="p"·data-group-id="0418401943-1">)</span><span·class="p">.</span><span·class="w"> |
| 957 | </span><span·class="p"·data-group-id=" | 957 | </span><span·class="p"·data-group-id="0418401943-3"><<</span><span·class="s">"66"</span><span·class="p"·data-group-id="0418401943-3">>></span><span·class="gp·unselectable"> |
| 958 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_hex</span><span·class="p"·data-group-id=" | 958 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_hex</span><span·class="p"·data-group-id="0418401943-4">(</span><span·class="p"·data-group-id="0418401943-5"><<</span><span·class="s">"/"</span><span·class="p"·data-group-id="0418401943-5">>></span><span·class="p"·data-group-id="0418401943-4">)</span><span·class="p">.</span><span·class="w"> |
| 959 | </span><span·class="p"·data-group-id=" | 959 | </span><span·class="p"·data-group-id="0418401943-6"><<</span><span·class="s">"2F"</span><span·class="p"·data-group-id="0418401943-6">>></span><span·class="gp·unselectable"> |
| 960 | 3>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_hex</span><span·class="p"·data-group-id=" | 960 | 3>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_hex</span><span·class="p"·data-group-id="0418401943-7">(</span><span·class="p"·data-group-id="0418401943-8"><<</span><span·class="s">"/"</span><span·class="p"·data-group-id="0418401943-8">>></span><span·class="p">,</span><span·class="w">·</span><span·class="ss">lowercase</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·f235b01de2d6d8b8745d3ec32712e718d9bad53f4b3b653bd72a43f20274f965·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 961 | </span><span·class="p"·data-group-id=" | 961 | </span><span·class="p"·data-group-id="0418401943-9"><<</span><span·class="s">"2f"</span><span·class="p"·data-group-id="0418401943-9">>></span><span·class="gp·unselectable"> |
| 962 | 4>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_hex</span><span·class="p"·data-group-id=" | 962 | 4>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_hex</span><span·class="p"·data-group-id="0418401943-10">(</span><span·class="p"·data-group-id="0418401943-11"><<</span><span·class="s">"/"</span><span·class="p"·data-group-id="0418401943-11">>></span><span·class="p">,</span><span·class="w">·</span><span·class="ss">uppercase<[·...·truncated·by·diffoscope;·len:·47,·SHA:·c6c3bb58d810ce57f4cfb1f044010c08c5db80957bf4af7ab628ca50928afd7d·...·]-10">)</span><span·class="p">.</span><span·class="w"> |
| 963 | </span><span·class="p"·data-group-id=" | 963 | </span><span·class="p"·data-group-id="0418401943-12"><<</span><span·class="s">"2F"</span><span·class="p"·data-group-id="0418401943-12">>></span></code></pre> |
| 964 | ··</section> | 964 | ··</section> |
| 965 | </section> | 965 | </section> |
| 966 | <section·class="detail"·id="encode_unsigned/1"> | 966 | <section·class="detail"·id="encode_unsigned/1"> |
| 967 | ··<div·class="detail-header"> | 967 | ··<div·class="detail-header"> |
| 968 | ····<a·href="#encode_unsigned/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 968 | ····<a·href="#encode_unsigned/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 969 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 969 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1017, 20 lines modified | Offset 1017, 20 lines modified | ||
| 1017 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·encode_unsigned(Unsigned,·Endianness)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>() | 1017 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·encode_unsigned(Unsigned,·Endianness)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>() |
| 1018 | ·························when·Unsigned·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(),·Endianness·::·big·|·little.</pre> | 1018 | ·························when·Unsigned·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(),·Endianness·::·big·|·little.</pre> |
| 1019 | ······</div> | 1019 | ······</div> |
| 1020 | <p>Converts·a·positive·integer·to·the·smallest·possible·representation·in·a·binary | 1020 | <p>Converts·a·positive·integer·to·the·smallest·possible·representation·in·a·binary |
| 1021 | digit·representation,·either·big·endian·or·little·endian.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_unsigned</span><span·class="p"·data-group-id=" | 1021 | digit·representation,·either·big·endian·or·little·endian.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_unsigned</span><span·class="p"·data-group-id="5977792156-1">(</span><span·class="mi">11111111</span><span·class="p"·data-group-id="5977792156-1">)</span><span·class="p">.</span><span·class="w"> |
| 1022 | </span><span·class="p"·data-group-id=" | 1022 | </span><span·class="p"·data-group-id="5977792156-2"><<</span><span·class="mi">169</span><span·class="p">,</span><span·class="mi">138</span><span·class="p">,</span><span·class="mi">199</span><span·class="p"·data-group-id="5977792156-2">>></span><span·class="gp·unselectable"> |
| 1023 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_unsigned</span><span·class="p"·data-group-id=" | 1023 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_unsigned</span><span·class="p"·data-group-id="5977792156-3">(</span><span·class="mi">11111111</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">big</span><span·class="p"·data-group-id="5977792156-3">)</span><span·class="p">.</span><span·class="w"> |
| 1024 | </span><span·class="p"·data-group-id=" | 1024 | </span><span·class="p"·data-group-id="5977792156-4"><<</span><span·class="mi">169</span><span·class="p">,</span><span·class="mi">138</span><span·class="p">,</span><span·class="mi">199</span><span·class="p"·data-group-id="5977792156-4">>></span><span·class="gp·unselectable"> |
| 1025 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_unsigned</span><span·class="p"·data-group-id=" | 1025 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">encode_unsigned</span><span·class="p"·data-group-id="5977792156-5">(</span><span·class="mi">11111111</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">little</span><span·class="p"·data-group-id="5977792156-5">)</span><span·class="p">.</span><span·class="w"> |
| 1026 | </span><span·class="p"·data-group-id=" | 1026 | </span><span·class="p"·data-group-id="5977792156-6"><<</span><span·class="mi">199</span><span·class="p">,</span><span·class="mi">138</span><span·class="p">,</span><span·class="mi">169</span><span·class="p"·data-group-id="5977792156-6">>></span></code></pre> |
| 1027 | ··</section> | 1027 | ··</section> |
| 1028 | </section> | 1028 | </section> |
| 1029 | <section·class="detail"·id="first/1"> | 1029 | <section·class="detail"·id="first/1"> |
| 1030 | ··<div·class="detail-header"> | 1030 | ··<div·class="detail-header"> |
| 1031 | ····<a·href="#first/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1031 | ····<a·href="#first/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1032 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1032 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1137, 17 lines modified | Offset 1137, 17 lines modified | ||
| 1137 | ······<div·class="specs"> | 1137 | ······<div·class="specs"> |
| 1138 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·longest_common_prefix(Binaries)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>()·when·Binaries·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(),·...].</pre> | 1138 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·longest_common_prefix(Binaries)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>()·when·Binaries·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>(),·...].</pre> |
| 1139 | ······</div> | 1139 | ······</div> |
| 1140 | <p>Returns·the·length·of·the·longest·common·prefix·of·the·binaries·in·list | 1140 | <p>Returns·the·length·of·the·longest·common·prefix·of·the·binaries·in·list |
| 1141 | <code·class="inline">Binaries</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">longest_common_prefix</span><span·class="p"·data-group-id=" | 1141 | <code·class="inline">Binaries</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">longest_common_prefix</span><span·class="p"·data-group-id="3617188319-1">(</span><span·class="p"·data-group-id="3617188319-2">[</span><span·class="p"·data-group-id="3617188319-3"><<</span><span·class="s">"erlang"</span><span·class="p"·data-group-id="3617188319-3">>></span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·285,·SHA:·24f5f3155a9a87cb88fdb5a7d86a9470c464cd2f2cb17a535560e56787943e59·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1142 | </span><span·class="mi">2</span><span·class="gp·unselectable"> | 1142 | </span><span·class="mi">2</span><span·class="gp·unselectable"> |
| 1143 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">longest_common_prefix</span><span·class="p"·data-group-id=" | 1143 | 2>·</span><span·class="nc">binary</span><span·class="p">:</span><span·class="nf">longest_common_prefix</span><span·class="p"·data-group-id="3617188319-5">(</span><span·class="p"·data-group-id="3617188319-6">[</span><span·class="p"·data-group-id="3617188319-7"><<</span><span·class="s">"erlang"</span><span·class="p"·data-group-id="3617188319-7">>></span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·281,·SHA:·6354edef5d334a36cebb49ed9fb3fdf94260fe2c242a14baeae04b5cf4f4d5aa·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 1144 | </span><span·class="mi">0</span></code></pre><p>If·<code·class="inline">Binaries</code>·is·not·a·flat·non-empty·list·of·binaries,·a·<code·class="inline">badarg</code>·exception·is | 1144 | </span><span·class="mi">0</span></code></pre><p>If·<code·class="inline">Binaries</code>·is·not·a·flat·non-empty·list·of·binaries,·a·<code·class="inline">badarg</code>·exception·is |
| 1145 | raised.</p> | 1145 | raised.</p> |
| 1146 | ··</section> | 1146 | ··</section> |
| 1147 | </section> | 1147 | </section> |
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| Offset 1682, 15 lines modified | Offset 1682, 15 lines modified | ||
| 1682 | ················Options·::·[Option]·|·Option, | 1682 | ················Options·::·[Option]·|·Option, |
| 1683 | ················Option·::·<a·href="../../../../lib/compiler-8.6/doc/html/compile.html#t:option/0">compile:option</a>(), | 1683 | ················Option·::·<a·href="../../../../lib/compiler-8.6/doc/html/compile.html#t:option/0">compile:option</a>(), |
| 1684 | ················Module·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:module/0">module</a>().</pre> | 1684 | ················Module·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:module/0">module</a>().</pre> |
| 1685 | ······</div> | 1685 | ······</div> |
| 1686 | <p>Compiles·and·then·loads·the·code·for·a·file·on·all·nodes.·<code·class="inline">Options</code>·defaults·to | 1686 | <p>Compiles·and·then·loads·the·code·for·a·file·on·all·nodes.·<code·class="inline">Options</code>·defaults·to |
| 1687 | <code·class="inline">[]</code>.·Compilation·is·equivalent·to:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">compile</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id=" | 1687 | <code·class="inline">[]</code>.·Compilation·is·equivalent·to:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">compile</span><span·class="p">:</span><span·class="nf">file</span><span·class="p"·data-group-id="9878283874-1">(</span><span·class="n">File</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Options</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="p"·data-group-id="9878283874-2">[</span><sp[·...·truncated·by·diffoscope;·len:·215,·SHA:·35f7f3185b842d8d0e1508ceb41e3e32fca03e5a1f363181c024898bbbf39103·...·]-1">)</span></code></pre> |
| 1688 | ··</section> | 1688 | ··</section> |
| 1689 | </section> | 1689 | </section> |
| 1690 | <section·class="detail"·id="ni/0"> | 1690 | <section·class="detail"·id="ni/0"> |
| 1691 | ··<div·class="detail-header"> | 1691 | ··<div·class="detail-header"> |
| 1692 | ····<a·href="#ni/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1692 | ····<a·href="#ni/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1693 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1693 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 2007, 15 lines modified | Offset 2007, 15 lines modified | ||
| 2007 | ······<p·class="built-using"> | 2007 | ······<p·class="built-using"> |
| 2008 | ········Built·using | 2008 | ········Built·using |
| 2009 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2009 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2010 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2010 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2011 | ······</p> | 2011 | ······</p> |
| 2012 | <p>Copyright·©·1996-202 | 2012 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2013 | ····</footer> | 2013 | ····</footer> |
| 2014 | ··</div> | 2014 | ··</div> |
| 2015 | </main> | 2015 | </main> |
| 2016 | </div> | 2016 | </div> |
| 2017 | <script> | 2017 | <script> |
| 2018 | ··function·mermaidLoaded()·{ | 2018 | ··function·mermaidLoaded()·{ |
| 2019 | ····mermaid.initialize({ | 2019 | ····mermaid.initialize({ |
| Offset 1765, 18 lines modified | Offset 1765, 18 lines modified | ||
| 1765 | ····································Option·::·{unit,·<a·href="#t:rfc3339_time_unit/0">rfc3339_time_unit</a>()}.</pre> | 1765 | ····································Option·::·{unit,·<a·href="#t:rfc3339_time_unit/0">rfc3339_time_unit</a>()}.</pre> |
| 1766 | ······</div> | 1766 | ······</div> |
| 1767 | <p>Converts·an·RFC·3339·timestamp·into·system·time.·The·data·format·of·RFC·3339 | 1767 | <p>Converts·an·RFC·3339·timestamp·into·system·time.·The·data·format·of·RFC·3339 |
| 1768 | timestamps·is·described·by·<a·href="https://www.ietf.org/rfc/rfc3339.txt">RFC·3339</a>. | 1768 | timestamps·is·described·by·<a·href="https://www.ietf.org/rfc/rfc3339.txt">RFC·3339</a>. |
| 1769 | Starting·from·OTP·25.1,·the·minutes·part·of·the·time·zone·is·optional.</p><p>Valid·option:</p><ul><li><strong><code·class="inline">{unit,·Unit}</code></strong>·-·The·time·unit·of·the·return·value.·The·default·is | 1769 | Starting·from·OTP·25.1,·the·minutes·part·of·the·time·zone·is·optional.</p><p>Valid·option:</p><ul><li><strong><code·class="inline">{unit,·Unit}</code></strong>·-·The·time·unit·of·the·return·value.·The·default·is |
| 1770 | <code·class="inline">second</code>.</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">rfc3339_to_system_time</span><span·class="p"·data-group-id=" | 1770 | <code·class="inline">second</code>.</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">rfc3339_to_system_time</span><span·class="p"·data-group-id="9532337800-1">(</span><span·class="s">"2018-02-01T16:17:58+01:00"</span><span·class="p"·data-group-id="9532337800-1">)</span><span·class="p">.</span><span·class="w"> |
| 1771 | </span><span·class="mi">1517498278</span><span·class="gp·unselectable"> | 1771 | </span><span·class="mi">1517498278</span><span·class="gp·unselectable"> |
| 1772 | 2>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">rfc3339_to_system_time</span><span·class="p"·data-group-id=" | 1772 | 2>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">rfc3339_to_system_time</span><span·class="p"·data-group-id="9532337800-2">(</span><span·class="s">"2018-02-01·15:18:02.088Z"</span><span·class="p">,</span><span·class="w"> |
| 1773 | ···</span><span·class="p"·data-group-id=" | 1773 | ···</span><span·class="p"·data-group-id="9532337800-3">[</span><span·class="p"·data-group-id="9532337800-4">{</span><span·class="ss">unit</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">nanosecond</span><span·class="p"·data-group-id="9532337800-4">}</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·76,·SHA:·4876b754f730f5ba98cdcb59c4ded9d88d74984771ed27058eca79108aa6ee2a·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 1774 | </span><span·class="mi">1517498282088000000</span></code></pre> | 1774 | </span><span·class="mi">1517498282088000000</span></code></pre> |
| 1775 | ··</section> | 1775 | ··</section> |
| 1776 | </section> | 1776 | </section> |
| 1777 | <section·class="detail"·id="seconds_to_daystime/1"> | 1777 | <section·class="detail"·id="seconds_to_daystime/1"> |
| 1778 | ··<div·class="detail-header"> | 1778 | ··<div·class="detail-header"> |
| 1779 | ····<a·href="#seconds_to_daystime/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1779 | ····<a·href="#seconds_to_daystime/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1928, 24 lines modified | Offset 1928, 24 lines modified | ||
| 1928 | interpreted·as·local·time.·A·non-empty·string·is·included·as·is.·The·time·unit | 1928 | interpreted·as·local·time.·A·non-empty·string·is·included·as·is.·The·time·unit |
| 1929 | of·the·integer·is·the·same·as·the·one·of·<code·class="inline">Time</code>.</p></li><li><p><strong><code·class="inline">{time_designator,·Character}</code></strong>·-·The·character·used·as·time·designator, | 1929 | of·the·integer·is·the·same·as·the·one·of·<code·class="inline">Time</code>.</p></li><li><p><strong><code·class="inline">{time_designator,·Character}</code></strong>·-·The·character·used·as·time·designator, |
| 1930 | that·is,·the·date·and·time·separator.·The·default·is·<code·class="inline">$T</code>.</p></li><li><p><strong><code·class="inline">{unit,·Unit}</code></strong>·-·The·time·unit·of·<code·class="inline">Time</code>.·The·default·is·<code·class="inline">second</code>.·If·some | 1930 | that·is,·the·date·and·time·separator.·The·default·is·<code·class="inline">$T</code>.</p></li><li><p><strong><code·class="inline">{unit,·Unit}</code></strong>·-·The·time·unit·of·<code·class="inline">Time</code>.·The·default·is·<code·class="inline">second</code>.·If·some |
| 1931 | other·unit·is·given·(<code·class="inline">millisecond</code>,·<code·class="inline">microsecond</code>,·<code·class="inline">nanosecond</code>,·or·<code·class="inline">native</code>), | 1931 | other·unit·is·given·(<code·class="inline">millisecond</code>,·<code·class="inline">microsecond</code>,·<code·class="inline">nanosecond</code>,·or·<code·class="inline">native</code>), |
| 1932 | the·formatted·string·includes·a·fraction·of·a·second.·The·number·of·fractional | 1932 | the·formatted·string·includes·a·fraction·of·a·second.·The·number·of·fractional |
| 1933 | second·digits·is·three,·six,·or·nine·depending·on·what·time·unit·is·chosen. | 1933 | second·digits·is·three,·six,·or·nine·depending·on·what·time·unit·is·chosen. |
| 1934 | For·<code·class="inline">native</code>·three·fractional·digits·are·included.·Notice·that·trailing·zeros | 1934 | For·<code·class="inline">native</code>·three·fractional·digits·are·included.·Notice·that·trailing·zeros |
| 1935 | are·not·removed·from·the·fraction.</p></li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id=" | 1935 | are·not·removed·from·the·fraction.</p></li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id="2430355725-1">(</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_time</span><span·class="p"·data-group-id="2430355725-2">(</span><span·class="ss">second</span><span·class="p"·data-group-id="2430355725-2">)</span><span·cla[·...·truncated·by·diffoscope;·len:·32,·SHA:·65309efaf92acb612360934e2c6474343bcb41a38e14c38c089251ff247a0789·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1936 | </span><span·class="s">"2018-04-23T14:56:28+02:00"</span><span·class="gp·unselectable"> | 1936 | </span><span·class="s">"2018-04-23T14:56:28+02:00"</span><span·class="gp·unselectable"> |
| 1937 | 2>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id=" | 1937 | 2>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id="2430355725-3">(</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_time</span><span·class="p"·data-group-id="2430355725-4">(</span><span·class="ss">second</span><span·class="p"·data-group-id="2430355725-4">)</span><span·class="p">,</span><span·class="w"> |
| 1938 | ···</span><span·class="p"·data-group-id=" | 1938 | ···</span><span·class="p"·data-group-id="2430355725-5">[</span><span·class="p"·data-group-id="2430355725-6">{</span><span·class="ss">offset</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"-02:00"</span><span·class="p"·data-group-id="2430355725-6">}</span><span·cla[·...·truncated·by·diffoscope;·len:·85,·SHA:·d9aea887d2bb180e8a5f67fc5cbf3174cb2aa6573607050187b1827fb2ec48a2·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 1939 | </span><span·class="s">"2018-04-23T10:56:52-02:00"</span><span·class="gp·unselectable"> | 1939 | </span><span·class="s">"2018-04-23T10:56:52-02:00"</span><span·class="gp·unselectable"> |
| 1940 | 3>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id=" | 1940 | 3>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id="2430355725-7">(</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_time</span><span·class="p"·data-group-id="2430355725-8">(</span><span·class="ss">second</span><span·class="p"·data-group-id="2430355725-8">)</span><span·class="p">,</span><span·class="w"> |
| 1941 | ···</span><span·class="p"·data-group-id=" | 1941 | ···</span><span·class="p"·data-group-id="2430355725-9">[</span><span·class="p"·data-group-id="2430355725-10">{</span><span·class="ss">offset</span><span·class="p">,</span><span·class="w">·</span><span·class="o">-</span><span·class="mi">7200</span><span·class="p"·data-group-id="2430355725-10">}</s[·...·truncated·by·diffoscope;·len:·98,·SHA:·79f471538a247514434d94d56c6f850624f7d81cbab4cdbec31a225389593b36·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 1942 | </span><span·class="s">"2018-04-23T10:57:05-02:00"</span><span·class="gp·unselectable"> | 1942 | </span><span·class="s">"2018-04-23T10:57:05-02:00"</span><span·class="gp·unselectable"> |
| 1943 | 4>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id=" | 1943 | 4>·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id="2430355725-11">(</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_time</span><span·class="p"·data-group-id="2430355725-12">(</span><span·class="ss">millisecond</span><span·class="p"·data-group-id="2430355725-12">)</span><span·class="p">,</span><span·class="w"> |
| 1944 | ···</span><span·class="p"·data-group-id=" | 1944 | ···</span><span·class="p"·data-group-id="2430355725-13">[</span><span·class="p"·data-group-id="2430355725-14">{</span><span·class="ss">unit</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">millisecond</span><span·class="p"·data-group-id="2430355725-14">}</span><span·class="p[·...·truncated·by·diffoscope;·len:·621,·SHA:·d0d3f9ec946c729444ea817eea1c8131aeb8a07eea4edbc01f96a37787b47dfc·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 1945 | </span><span·class="s">"2018-04-23·12:57:20.482Z"</span></code></pre> | 1945 | </span><span·class="s">"2018-04-23·12:57:20.482Z"</span></code></pre> |
| 1946 | ··</section> | 1946 | ··</section> |
| 1947 | </section> | 1947 | </section> |
| 1948 | <section·class="detail"·id="system_time_to_universal_time/2"> | 1948 | <section·class="detail"·id="system_time_to_universal_time/2"> |
| 1949 | ··<div·class="detail-header"> | 1949 | ··<div·class="detail-header"> |
| 1950 | ····<a·href="#system_time_to_universal_time/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1950 | ····<a·href="#system_time_to_universal_time/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 2158, 15 lines modified | Offset 2158, 15 lines modified | ||
| 2158 | ······<p·class="built-using"> | 2158 | ······<p·class="built-using"> |
| 2159 | ········Built·using | 2159 | ········Built·using |
| 2160 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2160 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2161 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2161 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2162 | ······</p> | 2162 | ······</p> |
| 2163 | <p>Copyright·©·1996-202 | 2163 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2164 | ····</footer> | 2164 | ····</footer> |
| 2165 | ··</div> | 2165 | ··</div> |
| 2166 | </main> | 2166 | </main> |
| 2167 | </div> | 2167 | </div> |
| 2168 | <script> | 2168 | <script> |
| 2169 | ··function·mermaidLoaded()·{ | 2169 | ··function·mermaidLoaded()·{ |
| 2170 | ····mermaid.initialize({ | 2170 | ····mermaid.initialize({ |
| Offset 1846, 22 lines modified | Offset 1846, 22 lines modified | ||
| 1846 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·lookup(Name,·Key)·->·Objects·|·{error,·Reason} | 1846 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·lookup(Name,·Key)·->·Objects·|·{error,·Reason} |
| 1847 | ················when·Name·::·<a·href="#t:tab_name/0">tab_name</a>(),·Key·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·Objects·::·[<a·href="#t:object/0">object</a>()],·Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1847 | ················when·Name·::·<a·href="#t:tab_name/0">tab_name</a>(),·Key·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·Objects·::·[<a·href="#t:object/0">object</a>()],·Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1848 | ······</div> | 1848 | ······</div> |
| 1849 | <p>Returns·a·list·of·all·objects·with·key·<code·class="inline">Key</code>·stored·in·table·<code·class="inline">Name</code>,·for | 1849 | <p>Returns·a·list·of·all·objects·with·key·<code·class="inline">Key</code>·stored·in·table·<code·class="inline">Name</code>,·for |
| 1850 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">open_file</span><span·class="p"·data-group-id=" | 1850 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">open_file</span><span·class="p"·data-group-id="7568303504-1">(</span><span·class="ss">abc</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7568303504-2">[</span><span·class="p"·data-group-id="7568303504-3">{</span><span·class="ss">type</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·197,·SHA:·d097f96524504076c1d6315c8b1a8e182664dd59318679793e093e393068c458·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1851 | </span><span·class="p"·data-group-id=" | 1851 | </span><span·class="p"·data-group-id="7568303504-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">abc</span><span·class="p"·data-group-id="7568303504-4">}</span><span·class="gp·unselectable"> |
| 1852 | 3>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id=" | 1852 | 3>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="7568303504-5">(</span><span·class="ss">abc</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7568303504-6">{</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·111,·SHA:·5f0a25c8ff3c5a7b8f3f73b1aa183669b3f6f7e84c5e017756af231cba244879·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 1853 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 1853 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 1854 | 4>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id=" | 1854 | 4>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="7568303504-7">(</span><span·class="ss">abc</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7568303504-8">{</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·111,·SHA:·a7dcc8d72a16d9fbd96d44675e89cadc98c15b9723bd75d9a9b72585ac17fa2f·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 1855 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 1855 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 1856 | 5>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id=" | 1856 | 5>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">lookup</span><span·class="p"·data-group-id="7568303504-9">(</span><span·class="ss">abc</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="7568303504-9">)</span><span·class="p">.</span><span·class="w"> |
| 1857 | </span><span·class="p"·data-group-id=" | 1857 | </span><span·class="p"·data-group-id="7568303504-10">[</span><span·class="p"·data-group-id="7568303504-11">{</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="7568303504-11">}</span><s[·...·truncated·by·diffoscope;·len:·294,·SHA:·9cf639b19ea0fde3efcca590da73f63d93bee17eadcb4eeb0e17848f5eab17ab·...·]-10">]</span></code></pre><p>If·the·table·type·is·<code·class="inline">set</code>,·the·function·returns·either·the·empty·list·or·a·list |
| 1858 | with·one·object,·as·there·cannot·be·more·than·one·object·with·a·given·key.·If | 1858 | with·one·object,·as·there·cannot·be·more·than·one·object·with·a·given·key.·If |
| 1859 | the·table·type·is·<code·class="inline">bag</code>·or·<code·class="inline">duplicate_bag</code>,·the·function·returns·a·list·of | 1859 | the·table·type·is·<code·class="inline">bag</code>·or·<code·class="inline">duplicate_bag</code>,·the·function·returns·a·list·of |
| 1860 | arbitrary·length.</p><p>Notice·that·the·order·of·objects·returned·is·unspecified.·In·particular,·the | 1860 | arbitrary·length.</p><p>Notice·that·the·order·of·objects·returned·is·unspecified.·In·particular,·the |
| 1861 | order·in·which·objects·were·inserted·is·not·reflected.</p> | 1861 | order·in·which·objects·were·inserted·is·not·reflected.</p> |
| 1862 | ··</section> | 1862 | ··</section> |
| 1863 | </section> | 1863 | </section> |
| 1864 | <section·class="detail"·id="match/1"> | 1864 | <section·class="detail"·id="match/1"> |
| Offset 2666, 19 lines modified | Offset 2666, 19 lines modified | ||
| 2666 | by·<code·class="inline">qlc</code>:</p><ul><li>Simple·filters·are·translated·into·equivalent·match·specifications.</li><li>More·complicated·filters·must·be·applied·to·all·objects·returned·by | 2666 | by·<code·class="inline">qlc</code>:</p><ul><li>Simple·filters·are·translated·into·equivalent·match·specifications.</li><li>More·complicated·filters·must·be·applied·to·all·objects·returned·by |
| 2667 | <a·href="#select/3"><code·class="inline">select/3</code></a>·given·a·match·specification·that·matches·all | 2667 | <a·href="#select/3"><code·class="inline">select/3</code></a>·given·a·match·specification·that·matches·all |
| 2668 | objects.</li></ul></li><li><p><code·class="inline">{select,</code>·<a·href="#t:match_spec/0"><code·class="inline">match_spec/0</code></a>·<code·class="inline">}</code>·-·As·for·<code·class="inline">select</code>,·the·table·is·traversed·by | 2668 | objects.</li></ul></li><li><p><code·class="inline">{select,</code>·<a·href="#t:match_spec/0"><code·class="inline">match_spec/0</code></a>·<code·class="inline">}</code>·-·As·for·<code·class="inline">select</code>,·the·table·is·traversed·by |
| 2669 | calling·<a·href="#select/3"><code·class="inline">dets:select/3</code></a>·and·<a·href="#select/1"><code·class="inline">dets:select/1</code></a>.·The·difference·is·that·the·match | 2669 | calling·<a·href="#select/3"><code·class="inline">dets:select/3</code></a>·and·<a·href="#select/1"><code·class="inline">dets:select/1</code></a>.·The·difference·is·that·the·match |
| 2670 | specification·is·specified·explicitly.·This·is·how·to·state·match | 2670 | specification·is·specified·explicitly.·This·is·how·to·state·match |
| 2671 | specifications·that·cannot·easily·be·expressed·within·the·syntax·provided·by | 2671 | specifications·that·cannot·easily·be·expressed·within·the·syntax·provided·by |
| 2672 | <code·class="inline">qlc</code>.</p></li></ul><p>The·following·example·uses·an·explicit·match·specification·to·traverse·the | 2672 | <code·class="inline">qlc</code>.</p></li></ul><p>The·following·example·uses·an·explicit·match·specification·to·traverse·the |
| 2673 | table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">open_file</span><span·class="p"·data-group-id=" | 2673 | table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">open_file</span><span·class="p"·data-group-id="5237664754-1">(</span><span·class="ss">t</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5237664754-2">[</span><span·class="p"·data-group-id="5237664754-2">]</span><span·class="p"·data-group-id="5237664754-1">)</span><span·class="p">,</span><span·class="w"> |
| 2674 | </span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id=" | 2674 | </span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="5237664754-3">(</span><span·class="ss">t</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5237664754-4">[</span><span·class="p"·data-group-id="5237664754-5">{</span><span·class="mi">1</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·777,·SHA:·8c35ed04084b3d0afe4bbf152fe57fb89eded338ccce9ec16a5c545510ad2ce5·...·]4-3">)</span><span·class="p">,</span><span·class="w"> |
| 2675 | </span><span·class="n">MS</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id=" | 2675 | </span><span·class="n">MS</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="5237664754-9">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="5237664754-10">(</span><span·class="p"·data-group-id="5237664754-11">{</span><span·class="n">X</span><span·class="p">,</span><span·class="n">Y</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·993,·SHA:·51186afa5143c496240729b07c79dbcc1443e1d008a654caf1110264c1adc68e·...·]4-9">)</span><span·class="p">,</span><span·class="w"> |
| 2676 | </span><span·class="n">QH1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">table</span><span·class="p"·data-group-id=" | 2676 | </span><span·class="n">QH1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dets</span><span·class="p">:</span><span·class="nf">table</span><span·class="p"·data-group-id="5237664754-15">(</span><span·class="ss">t</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5237664754-16">[</span><span·class="p"·data-group-id="5237664754-17">{</span><span·class="ss">traverse</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·2206,·SHA:·252766e655a4710033bad6a5271b492ffefbbb53d06b3f578d91db384ceca794·...·]-1">)</span><span·class="p">.</span></code></pre><p>The·latter·example·is·equivalent·to·the·former,·which·can·be·verified·using |
| 2677 | function·<a·href="qlc.html#info/1"><code·class="inline">qlc:info/1</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">qlc</span><span·class="p">:</span><span·class="nf">info</span><span·class="p"·data-group-id=" | 2677 | function·<a·href="qlc.html#info/1"><code·class="inline">qlc:info/1</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">qlc</span><span·class="p">:</span><span·class="nf">info</span><span·class="p"·data-group-id="6902325051-1">(</span><span·class="n">QH1</span><span·class="p"·data-group-id="6902325051-1">)</span><span·class="w">·</span><span·class="o">=:=</span><span·class="w">·</span><span·class="nc">qlc</span><span·class="p">:</span><span·class="nf">info</span><s[·...·truncated·by·diffoscope;·len:·118,·SHA:·7dfdbb1505e75332cfc86fcbcfdee72f29bb097ab5bbd4cc67e3264bdefed4cb·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 2678 | </span><span·class="ss">true</span></code></pre><p><a·href="qlc.html#info/1"><code·class="inline">qlc:info/1</code></a>·returns·information·about·a·query·handle.·In·this·case·identical | 2678 | </span><span·class="ss">true</span></code></pre><p><a·href="qlc.html#info/1"><code·class="inline">qlc:info/1</code></a>·returns·information·about·a·query·handle.·In·this·case·identical |
| 2679 | information·is·returned·for·the·two·query·handles.</p> | 2679 | information·is·returned·for·the·two·query·handles.</p> |
| 2680 | ··</section> | 2680 | ··</section> |
| 2681 | </section> | 2681 | </section> |
| 2682 | <section·class="detail"·id="to_ets/2"> | 2682 | <section·class="detail"·id="to_ets/2"> |
| 2683 | ··<div·class="detail-header"> | 2683 | ··<div·class="detail-header"> |
| Offset 2740, 15 lines modified | Offset 2740, 15 lines modified | ||
| 2740 | ······················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 2740 | ······················Reason·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 2741 | ······</div> | 2741 | ······</div> |
| 2742 | <p>Applies·<code·class="inline">Fun</code>·to·each·object·stored·in·table·<code·class="inline">Name</code>·in·some·unspecified·order. | 2742 | <p>Applies·<code·class="inline">Fun</code>·to·each·object·stored·in·table·<code·class="inline">Name</code>·in·some·unspecified·order. |
| 2743 | Different·actions·are·taken·depending·on·the·return·value·of·<code·class="inline">Fun</code>.·The | 2743 | Different·actions·are·taken·depending·on·the·return·value·of·<code·class="inline">Fun</code>.·The |
| 2744 | following·<code·class="inline">Fun</code>·return·values·are·allowed:</p><ul><li><p><strong><code·class="inline">continue</code></strong>·-·Continue·to·perform·the·traversal.·For·example,·the·following | 2744 | following·<code·class="inline">Fun</code>·return·values·are·allowed:</p><ul><li><p><strong><code·class="inline">continue</code></strong>·-·Continue·to·perform·the·traversal.·For·example,·the·following |
| 2745 | function·can·be·used·to·print·the·contents·of·a·table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id=" | 2745 | function·can·be·used·to·print·the·contents·of·a·table:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="7253482004-1">(</span><span·class="n">X</span><span·class="p"·data-group-id="7253482004-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><[·...·truncated·by·diffoscope;·len:·381,·SHA:·ecf3bf342a7582e52f5d46251778e01c2cc6660ec433d0b4ab16245fe40be9a1·...·]-2">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">continue</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span></code></pre></li><li><p><strong><code·class="inline">{continue,·Val}</code></strong>·-·Continue·the·traversal·and·accumulate·<code·class="inline">Val</code>.·The |
| 2746 | following·function·is·supplied·to·collect·all·objects·of·a·table·in·a·list:</p><pre><code·class="text">fun(X)·->·{continue,·X}·end.</code></pre></li><li><p><strong><code·class="inline">{done,·Value}</code></strong>·-·Terminate·the·traversal·and·return·<code·class="inline">[Value·|·Acc]</code>.</p></li></ul><p>Any·other·value·<code·class="inline">OtherValue</code>·returned·by·<code·class="inline">Fun</code>·terminates·the·traversal·and·is | 2746 | following·function·is·supplied·to·collect·all·objects·of·a·table·in·a·list:</p><pre><code·class="text">fun(X)·->·{continue,·X}·end.</code></pre></li><li><p><strong><code·class="inline">{done,·Value}</code></strong>·-·Terminate·the·traversal·and·return·<code·class="inline">[Value·|·Acc]</code>.</p></li></ul><p>Any·other·value·<code·class="inline">OtherValue</code>·returned·by·<code·class="inline">Fun</code>·terminates·the·traversal·and·is |
| 2747 | returned·immediately.</p> | 2747 | returned·immediately.</p> |
| 2748 | ··</section> | 2748 | ··</section> |
| 2749 | </section> | 2749 | </section> |
| 2750 | <section·class="detail"·id="update_counter/3"> | 2750 | <section·class="detail"·id="update_counter/3"> |
| 2751 | ··<div·class="detail-header"> | 2751 | ··<div·class="detail-header"> |
| Offset 2809, 15 lines modified | Offset 2809, 15 lines modified | ||
| 2809 | ······<p·class="built-using"> | 2809 | ······<p·class="built-using"> |
| 2810 | ········Built·using | 2810 | ········Built·using |
| 2811 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2811 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2812 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2812 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2813 | ······</p> | 2813 | ······</p> |
| 2814 | <p>Copyright·©·1996-202 | 2814 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2815 | ····</footer> | 2815 | ····</footer> |
| 2816 | ··</div> | 2816 | ··</div> |
| 2817 | </main> | 2817 | </main> |
| 2818 | </div> | 2818 | </div> |
| 2819 | <script> | 2819 | <script> |
| 2820 | ··function·mermaidLoaded()·{ | 2820 | ··function·mermaidLoaded()·{ |
| 2821 | ····mermaid.initialize({ | 2821 | ····mermaid.initialize({ |
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| 134 | do·not·compare·equal·(<code·class="inline">==</code>).</p><h2·id="module-notes"·class="section-heading"> | 134 | do·not·compare·equal·(<code·class="inline">==</code>).</p><h2·id="module-notes"·class="section-heading"> |
| 135 | ··<a·href="#module-notes"·class="hover-link"> | 135 | ··<a·href="#module-notes"·class="hover-link"> |
| 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 137 | ··</a> | 137 | ··</a> |
| 138 | ··<span·class="text">Notes</span> | 138 | ··<span·class="text">Notes</span> |
| 139 | </h2> | 139 | </h2> |
| 140 | <p><a·href=""·id="notes"></a></p><p>Functions·<code·class="inline">append</code>·and·<code·class="inline">append_list</code>·are·included·so·that·keyed·values·can·be | 140 | <p><a·href=""·id="notes"></a></p><p>Functions·<code·class="inline">append</code>·and·<code·class="inline">append_list</code>·are·included·so·that·keyed·values·can·be |
| 141 | stored·in·a·list·<em>accumulator</em>,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">D0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 141 | stored·in·a·list·<em>accumulator</em>,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">D0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="5639903134-1">(</span><span·class="p"·data-group-id="5639903134-1">)</span><span·class="p">,</span><span·class="w"> |
| 142 | ··</span><span·class="n">D1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">store</span><span·class="p"·data-group-id=" | 142 | ··</span><span·class="n">D1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">store</span><span·class="p"·data-group-id="5639903134-2">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5639903134-3">[</span><span·class="p"·data-group-id="5639903134-3">]</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·63,·SHA:·8eede966e925bc3c5557d8b9ff3e3de762294830a896ca11a80d697b00ef6cde·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 143 | ··</span><span·class="n">D2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 143 | ··</span><span·class="n">D2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="5639903134-4">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">f1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D1</span><span·class="p"·data-group-id="5639903134-4">)</span><span·class="p">,</span><span·class="w"> |
| 144 | ··</span><span·class="n">D3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 144 | ··</span><span·class="n">D3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="5639903134-5">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">f2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D2</span><span·class="p"·data-group-id="5639903134-5">)</span><span·class="p">,</span><span·class="w"> |
| 145 | ··</span><span·class="n">D4</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 145 | ··</span><span·class="n">D4</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="5639903134-6">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">f3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D3</span><span·class="p"·data-group-id="5639903134-6">)</span><span·class="p">,</span><span·class="w"> |
| 146 | ··</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">fetch</span><span·class="p"·data-group-id=" | 146 | ··</span><span·class="nc">dict</span><span·class="p">:</span><span·class="nf">fetch</span><span·class="p"·data-group-id="5639903134-7">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D4</span><span·class="p"·data-group-id="5639903134-7">)</span><span·class="p">.</span><span·class="w"> |
| 147 | </span><span·class="p"·data-group-id=" | 147 | </span><span·class="p"·data-group-id="5639903134-8">[</span><span·class="ss">f1</span><span·class="p">,</span><span·class="ss">f2</span><span·class="p">,</span><span·class="ss">f3</span><span·class="p"·data-group-id="5639903134-8">]</span></code></pre><p>This·saves·the·trouble·of·first·fetching·a·keyed·value,·appending·a·new·value·to |
| 148 | the·list·of·stored·values,·and·storing·the·result.</p><p>Function·<code·class="inline">fetch</code>·is·to·be·used·if·the·key·is·known·to·be·in·the·dictionary, | 148 | the·list·of·stored·values,·and·storing·the·result.</p><p>Function·<code·class="inline">fetch</code>·is·to·be·used·if·the·key·is·known·to·be·in·the·dictionary, |
| 149 | otherwise·function·<code·class="inline">find</code>.</p><h2·id="module-see-also"·class="section-heading"> | 149 | otherwise·function·<code·class="inline">find</code>.</p><h2·id="module-see-also"·class="section-heading"> |
| 150 | ··<a·href="#module-see-also"·class="hover-link"> | 150 | ··<a·href="#module-see-also"·class="hover-link"> |
| 151 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 151 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 152 | ··</a> | 152 | ··</a> |
| 153 | ··<span·class="text">See·Also</span> | 153 | ··<span·class="text">See·Also</span> |
| 154 | </h2> | 154 | </h2> |
| Offset 871, 18 lines modified | Offset 871, 18 lines modified | ||
| 871 | ······</div> | 871 | ······</div> |
| 872 | <p>Merges·two·dictionaries,·<code·class="inline">Dict1</code>·and·<code·class="inline">Dict2</code>,·to·create·a·new·dictionary.·All | 872 | <p>Merges·two·dictionaries,·<code·class="inline">Dict1</code>·and·<code·class="inline">Dict2</code>,·to·create·a·new·dictionary.·All |
| 873 | the·<code·class="inline">Key</code>-<code·class="inline">Value</code>·pairs·from·both·dictionaries·are·included·in·the·new | 873 | the·<code·class="inline">Key</code>-<code·class="inline">Value</code>·pairs·from·both·dictionaries·are·included·in·the·new |
| 874 | dictionary.·If·a·key·occurs·in·both·dictionaries,·<code·class="inline">Fun</code>·is·called·with·the·key | 874 | dictionary.·If·a·key·occurs·in·both·dictionaries,·<code·class="inline">Fun</code>·is·called·with·the·key |
| 875 | and·both·values·to·return·a·new·value.·<code·class="inline">merge</code>·can·be·defined·as·follows,·but·is | 875 | and·both·values·to·return·a·new·value.·<code·class="inline">merge</code>·can·be·defined·as·follows,·but·is |
| 876 | faster:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">merge</span><span·class="p"·data-group-id=" | 876 | faster:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">merge</span><span·class="p"·data-group-id="0003516847-1">(</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D2</span><span·class="p"·data-group-id="0003516847-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 877 | ····</span><span·class="nf">fold</span><span·class="p"·data-group-id=" | 877 | ····</span><span·class="nf">fold</span><span·class="p"·data-group-id="0003516847-2">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="0003516847-3">(</span><span·class="n">K</span><span·class="p">,</span><span·class="w">·</span><span·class="n">V1</span><span·class="p">,</span><span·cla[·...·truncated·by·diffoscope;·len:·80,·SHA:·49633818310eadcc6a6b2ed2f391f9ebfc624368a02a1bdd0bae1f167228124a·...·]-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 878 | ·················</span><span·class="nf">update</span><span·class="p"·data-group-id=" | 878 | ·················</span><span·class="nf">update</span><span·class="p"·data-group-id="0003516847-4">(</span><span·class="n">K</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="0003516847-5">(</span><span·class="n">V2</span><span·class="p"·data-group-id="00[·...·truncated·by·diffoscope;·len:·634,·SHA:·e93c80e7d4345b17a14b62b890afa3ed53f6e6c61a9e8d1ad4d30e1f8247c6bc·...·]-4">)</span><span·class="w"> |
| 879 | ·········</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D1</span><span·class="p"·data-group-id=" | 879 | ·········</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D1</span><span·class="p"·data-group-id="0003516847-2">)</span><span·class="p">.</span></code></pre> |
| 880 | ··</section> | 880 | ··</section> |
| 881 | </section> | 881 | </section> |
| 882 | <section·class="detail"·id="new/0"> | 882 | <section·class="detail"·id="new/0"> |
| 883 | ··<div·class="detail-header"> | 883 | ··<div·class="detail-header"> |
| 884 | ····<a·href="#new/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 884 | ····<a·href="#new/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 885 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 885 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1073, 16 lines modified | Offset 1073, 16 lines modified | ||
| 1073 | ····················Fun·::·fun((Value1·::·Value)·->·Value2·::·Value), | 1073 | ····················Fun·::·fun((Value1·::·Value)·->·Value2·::·Value), |
| 1074 | ····················Initial·::·Value.</pre> | 1074 | ····················Initial·::·Value.</pre> |
| 1075 | ······</div> | 1075 | ······</div> |
| 1076 | <p>Updates·a·value·in·a·dictionary·by·calling·<code·class="inline">Fun</code>·on·the·value·to·get·a·new | 1076 | <p>Updates·a·value·in·a·dictionary·by·calling·<code·class="inline">Fun</code>·on·the·value·to·get·a·new |
| 1077 | value.·If·<code·class="inline">Key</code>·is·not·present·in·the·dictionary,·<code·class="inline">Initial</code>·is·stored·as·the | 1077 | value.·If·<code·class="inline">Key</code>·is·not·present·in·the·dictionary,·<code·class="inline">Initial</code>·is·stored·as·the |
| 1078 | first·value.·For·example,·<a·href="#append/3"><code·class="inline">append/3</code></a>·can·be·defined·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">append</span><span·class="p"·data-group-id=" | 1078 | first·value.·For·example,·<a·href="#append/3"><code·class="inline">append/3</code></a>·can·be·defined·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">append</span><span·class="p"·data-group-id="7697399590-1">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Val</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D</span><span·class="p"·data-group-id="7697399590-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1079 | ····</span><span·class="nf">update</span><span·class="p"·data-group-id=" | 1079 | ····</span><span·class="nf">update</span><span·class="p"·data-group-id="7697399590-2">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="7697399590-3">(</span><span·class="n">Old</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·673,·SHA:·be41913507a40f8ee49220a862efe8be25edbe557436678838b3f0b7e02bc999·...·]-2">)</span><span·class="p">.</span></code></pre> |
| 1080 | ··</section> | 1080 | ··</section> |
| 1081 | </section> | 1081 | </section> |
| 1082 | <section·class="detail"·id="update_counter/3"> | 1082 | <section·class="detail"·id="update_counter/3"> |
| 1083 | ··<div·class="detail-header"> | 1083 | ··<div·class="detail-header"> |
| 1084 | ····<a·href="#update_counter/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1084 | ····<a·href="#update_counter/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1085 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1085 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1103, 16 lines modified | Offset 1103, 16 lines modified | ||
| 1103 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·update_counter(Key,·Increment,·Dict1)·->·Dict2 | 1103 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·update_counter(Key,·Increment,·Dict1)·->·Dict2 |
| 1104 | ························when·Dict1·::·<a·href="#t:dict/2">dict</a>(Key,·Value),·Dict2·::·<a·href="#t:dict/2">dict</a>(Key,·Value),·Increment·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:number/0">number</a>().</pre> | 1104 | ························when·Dict1·::·<a·href="#t:dict/2">dict</a>(Key,·Value),·Dict2·::·<a·href="#t:dict/2">dict</a>(Key,·Value),·Increment·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:number/0">number</a>().</pre> |
| 1105 | ······</div> | 1105 | ······</div> |
| 1106 | <p>Adds·<code·class="inline">Increment</code>·to·the·value·associated·with·<code·class="inline">Key</code>·and·stores·this·value.·If | 1106 | <p>Adds·<code·class="inline">Increment</code>·to·the·value·associated·with·<code·class="inline">Key</code>·and·stores·this·value.·If |
| 1107 | <code·class="inline">Key</code>·is·not·present·in·the·dictionary,·<code·class="inline">Increment</code>·is·stored·as·the·first | 1107 | <code·class="inline">Key</code>·is·not·present·in·the·dictionary,·<code·class="inline">Increment</code>·is·stored·as·the·first |
| 1108 | value.</p><p>This·can·be·defined·as·follows,·but·is·faster:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">update_counter</span><span·class="p"·data-group-id=" | 1108 | value.</p><p>This·can·be·defined·as·follows,·but·is·faster:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">update_counter</span><span·class="p"·data-group-id="7498041975-1">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Incr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D</span><span·class="p"·data-group-id="7498041975-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1109 | ····</span><span·class="nf">update</span><span·class="p"·data-group-id=" | 1109 | ····</span><span·class="nf">update</span><span·class="p"·data-group-id="7498041975-2">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="7498041975-3">(</span><span·class="n">Old</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·462,·SHA:·0071dbe4de89d54b8066de68bbe553c7a86dfda44f85eed154010a7887f56c07·...·]-2">)</span><span·class="p">.</span></code></pre> |
| 1110 | ··</section> | 1110 | ··</section> |
| 1111 | </section> | 1111 | </section> |
| 1112 | ····</div> | 1112 | ····</div> |
| 1113 | ··</section> | 1113 | ··</section> |
| 1114 | ····<footer·class="footer"> | 1114 | ····<footer·class="footer"> |
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| 1133 | ······<p·class="built-using"> | 1133 | ······<p·class="built-using"> |
| 1134 | ········Built·using | 1134 | ········Built·using |
| 1135 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1135 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1136 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1136 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1137 | ······</p> | 1137 | ······</p> |
| 1138 | <p>Copyright·©·1996-202 | 1138 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1139 | ····</footer> | 1139 | ····</footer> |
| 1140 | ··</div> | 1140 | ··</div> |
| 1141 | </main> | 1141 | </main> |
| 1142 | </div> | 1142 | </div> |
| 1143 | <script> | 1143 | <script> |
| 1144 | ··function·mermaidLoaded()·{ | 1144 | ··function·mermaidLoaded()·{ |
| 1145 | ····mermaid.initialize({ | 1145 | ····mermaid.initialize({ |
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| 1758 | ······<p·class="built-using"> | 1758 | ······<p·class="built-using"> |
| 1759 | ········Built·using | 1759 | ········Built·using |
| 1760 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1760 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1761 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1761 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1762 | ······</p> | 1762 | ······</p> |
| 1763 | <p>Copyright·©·1996-202 | 1763 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1764 | ····</footer> | 1764 | ····</footer> |
| 1765 | ··</div> | 1765 | ··</div> |
| 1766 | </main> | 1766 | </main> |
| 1767 | </div> | 1767 | </div> |
| 1768 | <script> | 1768 | <script> |
| 1769 | ··function·mermaidLoaded()·{ | 1769 | ··function·mermaidLoaded()·{ |
| 1770 | ····mermaid.initialize({ | 1770 | ····mermaid.initialize({ |
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| 1004 | ······<p·class="built-using"> | 1004 | ······<p·class="built-using"> |
| 1005 | ········Built·using | 1005 | ········Built·using |
| 1006 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1006 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1007 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1007 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1008 | ······</p> | 1008 | ······</p> |
| 1009 | <p>Copyright·©·1996-202 | 1009 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1010 | ····</footer> | 1010 | ····</footer> |
| 1011 | ··</div> | 1011 | ··</div> |
| 1012 | </main> | 1012 | </main> |
| 1013 | </div> | 1013 | </div> |
| 1014 | <script> | 1014 | <script> |
| 1015 | ··function·mermaidLoaded()·{ | 1015 | ··function·mermaidLoaded()·{ |
| 1016 | ····mermaid.initialize({ | 1016 | ····mermaid.initialize({ |
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| 336 | ······<p·class="built-using"> | 336 | ······<p·class="built-using"> |
| 337 | ········Built·using | 337 | ········Built·using |
| 338 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 338 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 339 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 339 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 340 | ······</p> | 340 | ······</p> |
| 341 | <p>Copyright·©·1996-202 | 341 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 342 | ····</footer> | 342 | ····</footer> |
| 343 | ··</div> | 343 | ··</div> |
| 344 | </main> | 344 | </main> |
| 345 | </div> | 345 | </div> |
| 346 | <script> | 346 | <script> |
| 347 | ··function·mermaidLoaded()·{ | 347 | ··function·mermaidLoaded()·{ |
| 348 | ····mermaid.initialize({ | 348 | ····mermaid.initialize({ |
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| 328 | ······<p·class="built-using"> | 328 | ······<p·class="built-using"> |
| 329 | ········Built·using | 329 | ········Built·using |
| 330 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 330 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 331 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 331 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 332 | ······</p> | 332 | ······</p> |
| 333 | <p>Copyright·©·1996-202 | 333 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 334 | ····</footer> | 334 | ····</footer> |
| 335 | ··</div> | 335 | ··</div> |
| 336 | </main> | 336 | </main> |
| 337 | </div> | 337 | </div> |
| 338 | <script> | 338 | <script> |
| 339 | ··function·mermaidLoaded()·{ | 339 | ··function·mermaidLoaded()·{ |
| 340 | ····mermaid.initialize({ | 340 | ····mermaid.initialize({ |
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| 136 | <code·class="inline">Latin-1</code>·and·<code·class="inline">UTF-8</code>,·where·the·case·of·the·characters·can·be·chosen·freely.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·coding:·utf-8</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·For·this·file·we·have·chosen·encoding·=·Latin-1</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·-*-·coding:·latin-1·-*-</span></code></pre><h2·id="module-error-information"·class="section-heading"> | 136 | <code·class="inline">Latin-1</code>·and·<code·class="inline">UTF-8</code>,·where·the·case·of·the·characters·can·be·chosen·freely.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·coding:·utf-8</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·For·this·file·we·have·chosen·encoding·=·Latin-1</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·-*-·coding:·latin-1·-*-</span></code></pre><h2·id="module-error-information"·class="section-heading"> |
| 137 | ··<a·href="#module-error-information"·class="hover-link"> | 137 | ··<a·href="#module-error-information"·class="hover-link"> |
| 138 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 138 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 139 | ··</a> | 139 | ··</a> |
| 140 | ··<span·class="text">Error·Information</span> | 140 | ··<span·class="text">Error·Information</span> |
| 141 | </h2> | 141 | </h2> |
| 142 | <p><code·class="inline">ErrorInfo</code>·is·the·standard·<code·class="inline">ErrorInfo</code>·structure·that·is·returned·from·all·I/O | 142 | <p><code·class="inline">ErrorInfo</code>·is·the·standard·<code·class="inline">ErrorInfo</code>·structure·that·is·returned·from·all·I/O |
| 143 | modules.·The·format·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 143 | modules.·The·format·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2263752130-1">{</span><span·class="n">ErrorLine</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ErrorDescriptor</span><span·class="p"·data-group-id="22637521[·...·truncated·by·diffoscope;·len:·369,·SHA:·ef45577ff1d8b931ba3062b206321cee3e8f22f07682405a812a1d15c95bd0c0·...·]-1">)</span></code></pre><h2·id="module-see-also"·class="section-heading"> |
| 144 | ··<a·href="#module-see-also"·class="hover-link"> | 144 | ··<a·href="#module-see-also"·class="hover-link"> |
| 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 146 | ··</a> | 146 | ··</a> |
| 147 | ··<span·class="text">See·Also</span> | 147 | ··<span·class="text">See·Also</span> |
| 148 | </h2> | 148 | </h2> |
| 149 | <p><a·href="erl_parse.html"><code·class="inline">erl_parse</code></a></p> | 149 | <p><a·href="erl_parse.html"><code·class="inline">erl_parse</code></a></p> |
| 150 | ····</section> | 150 | ····</section> |
| Offset 1185, 15 lines modified | Offset 1185, 15 lines modified | ||
| 1185 | ······<p·class="built-using"> | 1185 | ······<p·class="built-using"> |
| 1186 | ········Built·using | 1186 | ········Built·using |
| 1187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1189 | ······</p> | 1189 | ······</p> |
| 1190 | <p>Copyright·©·1996-202 | 1190 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1191 | ····</footer> | 1191 | ····</footer> |
| 1192 | ··</div> | 1192 | ··</div> |
| 1193 | </main> | 1193 | </main> |
| 1194 | </div> | 1194 | </div> |
| 1195 | <script> | 1195 | <script> |
| 1196 | ··function·mermaidLoaded()·{ | 1196 | ··function·mermaidLoaded()·{ |
| 1197 | ····mermaid.initialize({ | 1197 | ····mermaid.initialize({ |
| Offset 1211, 15 lines modified | Offset 1211, 15 lines modified | ||
| 1211 | ······<p·class="built-using"> | 1211 | ······<p·class="built-using"> |
| 1212 | ········Built·using | 1212 | ········Built·using |
| 1213 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1213 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1214 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1214 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1215 | ······</p> | 1215 | ······</p> |
| 1216 | <p>Copyright·©·1996-202 | 1216 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1217 | ····</footer> | 1217 | ····</footer> |
| 1218 | ··</div> | 1218 | ··</div> |
| 1219 | </main> | 1219 | </main> |
| 1220 | </div> | 1220 | </div> |
| 1221 | <script> | 1221 | <script> |
| 1222 | ··function·mermaidLoaded()·{ | 1222 | ··function·mermaidLoaded()·{ |
| 1223 | ····mermaid.initialize({ | 1223 | ····mermaid.initialize({ |
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| 309 | ······<div·class="specs"> | 309 | ······<div·class="specs"> |
| 310 | ··········<pre·translate="no"><span·class="attribute">-type</span>·format_fun()·::·fun((<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·<a·href="#t:column/0">column</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:iolist/0">iolist</a>()).</pre> | 310 | ··········<pre·translate="no"><span·class="attribute">-type</span>·format_fun()·::·fun((<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·<a·href="#t:column/0">column</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:iolist/0">iolist</a>()).</pre> |
| 311 | ······</div> | 311 | ······</div> |
| 312 | <p>A·fun·used·to·format·function·arguments·for·BIF·and·function·calls.·By·default | 312 | <p>A·fun·used·to·format·function·arguments·for·BIF·and·function·calls.·By·default |
| 313 | the·following·fun·will·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id=" | 313 | the·following·fun·will·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="1769658076-1">(</span><span·class="n">Term</span><span·class="p">,</span><span·class="w">·</span><span·class="n">I</span><span·class="p"·data-group-id="1769658076-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·418,·SHA:·fca6a4e8fd4f08c32e40f30f87dc094a3711f60f1403643aa5bb266457514c1b·...·]-2">)</span><span·class="w">·</span><span·class="k">end</span></code></pre> |
| 314 | ··</section> | 314 | ··</section> |
| 315 | </section> | 315 | </section> |
| 316 | <section·class="detail"·id="t:format_options/0"> | 316 | <section·class="detail"·id="t:format_options/0"> |
| 317 | ··<div·class="detail-header"> | 317 | ··<div·class="detail-header"> |
| 318 | ····<a·href="#t:format_options/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> | 318 | ····<a·href="#t:format_options/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·type"> |
| 319 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 319 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 424, 31 lines modified | Offset 424, 31 lines modified | ||
| 424 | <p>This·callback·is·called·when·<a·href="#format_exception/4"><code·class="inline">format_exception/4</code></a>·or·similar·functionality·wants | 424 | <p>This·callback·is·called·when·<a·href="#format_exception/4"><code·class="inline">format_exception/4</code></a>·or·similar·functionality·wants |
| 425 | to·provide·extra·information·about·an·error.·The·<code·class="inline">Module</code>:<code·class="inline">Function</code>·called·is | 425 | to·provide·extra·information·about·an·error.·The·<code·class="inline">Module</code>:<code·class="inline">Function</code>·called·is |
| 426 | the·one·specificed·by·the·<code·class="inline">error_info</code>·map.</p><p>The·function·should·return·a·map·with·additional·information·about·what·have | 426 | the·one·specificed·by·the·<code·class="inline">error_info</code>·map.</p><p>The·function·should·return·a·map·with·additional·information·about·what·have |
| 427 | caused·the·exception.·The·possible·keys·of·the·map·are:</p><ul><li><p><strong><code·class="inline">ArgumentPosition·=·pos_integer()</code></strong>·-·The·position·of·the·argument·that | 427 | caused·the·exception.·The·possible·keys·of·the·map·are:</p><ul><li><p><strong><code·class="inline">ArgumentPosition·=·pos_integer()</code></strong>·-·The·position·of·the·argument·that |
| 428 | caused·the·error·starting·at·1.</p></li><li><p><strong><code·class="inline">general</code></strong>·-·An·error·that·is·not·associated·with·any·argument·caused·the | 428 | caused·the·error·starting·at·1.</p></li><li><p><strong><code·class="inline">general</code></strong>·-·An·error·that·is·not·associated·with·any·argument·caused·the |
| 429 | error.</p></li><li><p><strong><code·class="inline">reason</code></strong>·-·If·the·<code·class="inline">Reason</code>·should·be·printed·differently·than·the·default | 429 | error.</p></li><li><p><strong><code·class="inline">reason</code></strong>·-·If·the·<code·class="inline">Reason</code>·should·be·printed·differently·than·the·default |
| 430 | way.</p></li></ul><p>If·the·text·returned·includes·new-lines,·<a·href="#format_exception/4"><code·class="inline">format_exception/4</code></a>·will·indent·the | 430 | way.</p></li></ul><p>If·the·text·returned·includes·new-lines,·<a·href="#format_exception/4"><code·class="inline">format_exception/4</code></a>·will·indent·the |
| 431 | text·correctly.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 431 | text·correctly.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2814703160-1">(</span><span·class="ss">my_error_module</span><span·class="p"·data-group-id="2814703160-1">)</span><span·class="p">.</span><span·class="w"> |
| 432 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 432 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2814703160-2">(</span><span·class="p"·data-group-id="2814703160-3">[</span><span·class="ss">atom_to_string</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">format_error</span><span·clas[·...·truncated·by·diffoscope;·len:·133,·SHA:·643227ad114b5c0951a972735941b5940d91364a390ac54404881ef27fea84ae·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 433 | </span><span·class="nf">atom_to_string</span><span·class="p"·data-group-id=" | 433 | </span><span·class="nf">atom_to_string</span><span·class="p"·data-group-id="2814703160-4">(</span><span·class="n">Arg</span><span·class="p"·data-group-id="2814703160-4">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_atom</span><span·class="p"·data-group-id="2814703160-5">(</s[·...·truncated·by·diffoscope;·len:·71,·SHA:·07e4f3edf446436eede350c83acb95be5dba665f7a1f769cc494ef91a5673705·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 434 | ··</span><span·class="nf">atom_to_list</span><span·class="p"·data-group-id=" | 434 | ··</span><span·class="nf">atom_to_list</span><span·class="p"·data-group-id="2814703160-6">(</span><span·class="n">Arg</span><span·class="p"·data-group-id="2814703160-6">)</span><span·class="p">;</span><span·class="w"> |
| 435 | </span><span·class="nf">atom_to_string</span><span·class="p"·data-group-id=" | 435 | </span><span·class="nf">atom_to_string</span><span·class="p"·data-group-id="2814703160-7">(</span><span·class="n">Arg</span><span·class="p"·data-group-id="2814703160-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 436 | ··</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id=" | 436 | ··</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">error</span><span·class="p"·data-group-id="2814703160-8">(</span><span·class="ss">badarg</span><span·class="p">,</span><span·class="p"·data-group-id="2814703160-9">[</span><span·class="n">Arg</span><span·class="p"·data-group-id="2814703160-9">]</span><span·class="p">,</span><span·class="w"> |
| 437 | ···············</span><span·class="p"·data-group-id=" | 437 | ···············</span><span·class="p"·data-group-id="2814703160-10">[</span><span·class="p"·data-group-id="2814703160-11">{</span><span·class="ss">error_info</span><span·class="p">,</span><span·class="p"·data-group-id="2814703160-12">#{</span><span·class="w">·</span><span·class="ss">module</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w"> |
| 438 | ·······························</span><span·class="ss">cause</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 438 | ·······························</span><span·class="ss">cause</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="2814703160-13">#{</span><span·class="w">·</span><span·class="mi">1</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"should·be·an·atom"</span><span·class="w">·</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·226,·SHA:·ae0deab44fe5dbddaaa4812088a50f20193ddfb52aa1ebfd618e5f22fb12e429·...·]-8">)</span><span·class="p">.</span><span·class="w"> |
| 439 | </span><span·class="nf">format_error</span><span·class="p"·data-group-id=" | 439 | </span><span·class="nf">format_error</span><span·class="p"·data-group-id="2814703160-14">(</span><span·class="n">Reason</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2814703160-15">[</span><span·class="p"·data-group-id="2814703160-16">{</span><span·class="p">_</span><span·class="n">M</span>[·...·truncated·by·diffoscope;·len:·393,·SHA:·19291aa5d4007970df38c656c1628f6b677ae2815c2ac474bc8854fe0b38035f·...·]-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 440 | ··</span><span·class="n">ErrorInfo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 440 | ··</span><span·class="n">ErrorInfo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="2814703160-17">(</span><span·class="ss">error_info</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Info</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2814703160-18">#{</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·74,·SHA:·43ea8d680659bfe5d9f2409f75c7ac9703454776424e17ab4757c2555d94dbf6·...·]-17">)</span><span·class="p">,</span><span·class="w"> |
| 441 | ··</span><span·class="n">ErrorMap</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">get</span><span·class="p"·data-group-id=" | 441 | ··</span><span·class="n">ErrorMap</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">get</span><span·class="p"·data-group-id="2814703160-19">(</span><span·class="ss">cause</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ErrorInfo</span><span·class="p"·data-group-id="2814703160-19">)</span><span·class="p">,</span><span·class="w"> |
| 442 | ··</span><span·class="n">ErrorMap</span><span·class="p"·data-group-id=" | 442 | ··</span><span·class="n">ErrorMap</span><span·class="p"·data-group-id="2814703160-20">#{</span><span·class="w">·</span><span·class="ss">general</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"optional·general·information"</span><span·class="p">,</span><span·class="w"> |
| 443 | ·············</span><span·class="ss">reason</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 443 | ·············</span><span·class="ss">reason</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="2814703160-21">(</span><span·class="s">"</span><span·class="si">~p</span><span·class="s">:·</span><span·class="si">~p</span><span·class="s">"</span><span·class="p">,</span><span·class="p"·data-group-id="2814703160-22">[</span><span·class="o">?</s[·...·truncated·by·diffoscope;·len:·582,·SHA:·0b8f6653e6db07106ac6a11250219e9fdb8875fa59db8c799a20f9fdf179493a·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 444 | </span><span·class="p"·data-group-id=" | 444 | </span><span·class="p"·data-group-id="3199507648-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">my_error_module</span><span·class="p"·data-group-id="3199507648-2">}</span><span·class="gp·unselectable"> |
| 445 | 2>·</span><span·class="nc">my_error_module</span><span·class="p">:</span><span·class="nf">atom_to_string</span><span·class="p"·data-group-id=" | 445 | 2>·</span><span·class="nc">my_error_module</span><span·class="p">:</span><span·class="nf">atom_to_string</span><span·class="p"·data-group-id="3199507648-3">(</span><span·class="mi">1</span><span·class="p"·data-group-id="3199507648-3">)</span><span·class="p">.</span><span·class="w"> |
| 446 | </span><span·class="gt">**·exception·error:·my_error_module:·badarg | 446 | </span><span·class="gt">**·exception·error:·my_error_module:·badarg |
| 447 | ·····in·function··my_error_module:atom_to_string/1 | 447 | ·····in·function··my_error_module:atom_to_string/1 |
| 448 | ········called·as·my_error_module:atom_to_string(1) | 448 | ········called·as·my_error_module:atom_to_string(1) |
| 449 | ········***·argument·1:·should·be·an·atom | 449 | ········***·argument·1:·should·be·an·atom |
| 450 | ········***·optional·general·information</span></code></pre> | 450 | ········***·optional·general·information</span></code></pre> |
| 451 | ··</section> | 451 | ··</section> |
| 452 | </section> | 452 | </section> |
| Offset 524, 26 lines modified | Offset 524, 26 lines modified | ||
| 524 | ······························StackTrace·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:stacktrace/0">erlang:stacktrace</a>(), | 524 | ······························StackTrace·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:stacktrace/0">erlang:stacktrace</a>(), |
| 525 | ······························Options·::·<a·href="#t:format_options/0">format_options</a>().</pre> | 525 | ······························Options·::·<a·href="#t:format_options/0">format_options</a>().</pre> |
| 526 | ······</div> | 526 | ······</div> |
| 527 | <p>Format·the·error·reason·and·stack·back-trace·caught·using·<code·class="inline">try</code>·...·<code·class="inline">catch</code>·in | 527 | <p>Format·the·error·reason·and·stack·back-trace·caught·using·<code·class="inline">try</code>·...·<code·class="inline">catch</code>·in |
| 528 | the·same·style·as·the·shell·formats·them.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">try</span><span·class="w"> | 528 | the·same·style·as·the·shell·formats·them.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">try</span><span·class="w"> |
| 529 | ····</span><span·class="nf">do_something</span><span·class="p"·data-group-id=" | 529 | ····</span><span·class="nf">do_something</span><span·class="p"·data-group-id="6568323673-1">(</span><span·class="p"·data-group-id="6568323673-1">)</span><span·class="w"> |
| 530 | </span><span·class="k">catch</span><span·class="w"> | 530 | </span><span·class="k">catch</span><span·class="w"> |
| 531 | ····</span><span·class="n">C</span><span·class="p">:</span><span·class="n">R</span><span·class="p">:</span><span·class="n">Stk</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 531 | ····</span><span·class="n">C</span><span·class="p">:</span><span·class="n">R</span><span·class="p">:</span><span·class="n">Stk</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 532 | ········</span><span·class="n">Message</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erl_error</span><span·class="p">:</span><span·class="nf">format_exception</span><span·class="p"·data-group-id=" | 532 | ········</span><span·class="n">Message</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erl_error</span><span·class="p">:</span><span·class="nf">format_exception</span><span·class="p"·data-group-id="6568323673-2">(</span><span·class="n">C</span><span·class="p">,</span><span·class="w">·</span><span·class="n">R</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Stk</span><span·class="p"·data-group-id="6568323673-2">)</span><span·class="p">,</span><span·class="w"> |
| 533 | ········</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 533 | ········</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6568323673-3">(</span><span·class="n">LogFile</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"~ts\n"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6568323673-4">[</span><span·class="n"[·...·truncated·by·diffoscope;·len:·109,·SHA:·5f9bd1e30cf96661f3196056dce59172511b16cd8ab3fd9dbb0f606509bc3406·...·]-3">)</span><span·class="w"> |
| 534 | </span><span·class="k">end</span></code></pre><p>If·<code·class="inline">error_info</code>·is·provided·with·the·exception,·<code·class="inline">format_exception</code>·will·use·that | 534 | </span><span·class="k">end</span></code></pre><p>If·<code·class="inline">error_info</code>·is·provided·with·the·exception,·<code·class="inline">format_exception</code>·will·use·that |
| 535 | information·to·provide·additional·information·about·the·exception.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">try</span><span·class="w"> | 535 | information·to·provide·additional·information·about·the·exception.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">try</span><span·class="w"> |
| 536 | ··</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">raise</span><span·class="p"·data-group-id=" | 536 | ··</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">raise</span><span·class="p"·data-group-id="5373253961-1">(</span><span·class="ss">badarg</span><span·class="p">,</span><span·class="p"·data-group-id="5373253961-2">[</span><span·class="p"·data-group-id="5373253961-2">]</span><span·class="p">,</span><span·class="p"·data-group-id="5373253961-3">[</sp[·...·truncated·by·diffoscope;·len:·368,·SHA:·6379f94558c23654f4666c931146b6f40f47be981aa435e07c1be1fe2cf9bb0f·...·]-1">)</span><span·class="w"> |
| 537 | </span><span·class="k">catch</span><span·class="w"> | 537 | </span><span·class="k">catch</span><span·class="w"> |
| 538 | ····</span><span·class="n">C</span><span·class="p">:</span><span·class="n">R</span><span·class="p">:</span><span·class="n">Stk</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 538 | ····</span><span·class="n">C</span><span·class="p">:</span><span·class="n">R</span><span·class="p">:</span><span·class="n">Stk</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 539 | ········</span><span·class="n">Message</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erl_error</span><span·class="p">:</span><span·class="nf">format_exception</span><span·class="p"·data-group-id=" | 539 | ········</span><span·class="n">Message</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erl_error</span><span·class="p">:</span><span·class="nf">format_exception</span><span·class="p"·data-group-id="5373253961-6">(</span><span·class="n">C</span><span·class="p">,</span><span·class="w">·</span><span·class="n">R</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Stk</span><span·class="p"·data-group-id="5373253961-6">)</span><span·class="p">,</span><span·class="w"> |
| 540 | ········</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 540 | ········</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5373253961-7">(</span><span·class="n">LogFile</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"~ts\n"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5373253961-8">[</span><span·class="n"[·...·truncated·by·diffoscope;·len:·109,·SHA:·e6baf726ef3125f44e13a752627405c9001290020530ac9746c8e2694f02897c·...·]-7">)</span><span·class="w"> |
| 541 | </span><span·class="k">end</span></code></pre><p>See·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#error/3"><code·class="inline">erlang:error/3</code></a>·for·details·on·how·to·raise·an·exception·with·<code·class="inline">error_info</code> | 541 | </span><span·class="k">end</span></code></pre><p>See·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#error/3"><code·class="inline">erlang:error/3</code></a>·for·details·on·how·to·raise·an·exception·with·<code·class="inline">error_info</code> |
| 542 | included.</p> | 542 | included.</p> |
| 543 | ··</section> | 543 | ··</section> |
| 544 | </section> | 544 | </section> |
| 545 | ····</div> | 545 | ····</div> |
| 546 | ··</section> | 546 | ··</section> |
| Offset 566, 15 lines modified | Offset 566, 15 lines modified | ||
| 566 | ······<p·class="built-using"> | 566 | ······<p·class="built-using"> |
| 567 | ········Built·using | 567 | ········Built·using |
| 568 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 568 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 569 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 569 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 570 | ······</p> | 570 | ······</p> |
| 571 | <p>Copyright·©·1996-202 | 571 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 572 | ····</footer> | 572 | ····</footer> |
| 573 | ··</div> | 573 | ··</div> |
| 574 | </main> | 574 | </main> |
| 575 | </div> | 575 | </div> |
| 576 | <script> | 576 | <script> |
| 577 | ··function·mermaidLoaded()·{ | 577 | ··function·mermaidLoaded()·{ |
| 578 | ····mermaid.initialize({ | 578 | ····mermaid.initialize({ |
| Offset 137, 35 lines modified | Offset 137, 35 lines modified | ||
| 137 | ··<span·class="text">Local·Function·Handler</span> | 137 | ··<span·class="text">Local·Function·Handler</span> |
| 138 | </h2> | 138 | </h2> |
| 139 | <p>During·evaluation·of·a·function,·no·calls·can·be·made·to·local·functions.·An | 139 | <p>During·evaluation·of·a·function,·no·calls·can·be·made·to·local·functions.·An |
| 140 | undefined·function·error·would·be·generated.·However,·the·optional·argument | 140 | undefined·function·error·would·be·generated.·However,·the·optional·argument |
| 141 | <code·class="inline">LocalFunctionHandler</code>·can·be·used·to·define·a·function·that·is·called·when | 141 | <code·class="inline">LocalFunctionHandler</code>·can·be·used·to·define·a·function·that·is·called·when |
| 142 | there·is·a·call·to·a·local·function.·The·argument·can·have·the·following | 142 | there·is·a·call·to·a·local·function.·The·argument·can·have·the·following |
| 143 | formats:</p><ul><li><p><strong><code·class="inline">{value,Func}</code></strong>·-·This·defines·a·local·function·handler·that·is·called | 143 | formats:</p><ul><li><p><strong><code·class="inline">{value,Func}</code></strong>·-·This·defines·a·local·function·handler·that·is·called |
| 144 | with:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Func</span><span·class="p"·data-group-id=" | 144 | with:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Func</span><span·class="p"·data-group-id="4254101257-1">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Arguments</span><span·class="p"·data-group-id="4254101257-1">)</span></code></pre><p><code·class="inline">Name</code>·is·the·name·of·the·local·function·(an·atom)·and·<code·class="inline">Arguments</code>·is·a·list |
| 145 | of·the·<em>evaluated</em>·arguments.·The·function·handler·returns·the·value·of·the | 145 | of·the·<em>evaluated</em>·arguments.·The·function·handler·returns·the·value·of·the |
| 146 | local·function.·In·this·case,·the·current·bindings·cannot·be·accessed.·To | 146 | local·function.·In·this·case,·the·current·bindings·cannot·be·accessed.·To |
| 147 | signal·an·error,·the·function·handler·calls·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit/1</code></a>·with·a | 147 | signal·an·error,·the·function·handler·calls·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit/1</code></a>·with·a |
| 148 | suitable·exit·value.</p></li><li><p><strong><code·class="inline">{eval,Func}</code></strong>·-·This·defines·a·local·function·handler·that·is·called·with:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Func</span><span·class="p"·data-group-id=" | 148 | suitable·exit·value.</p></li><li><p><strong><code·class="inline">{eval,Func}</code></strong>·-·This·defines·a·local·function·handler·that·is·called·with:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Func</span><span·class="p"·data-group-id="4578671914-1">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Arguments</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bindings</span><span·class="p"·data-group-id="4578671914-1">)</span></code></pre><p><code·class="inline">Name</code>·is·the·name·of·the·local·function·(an·atom),·<code·class="inline">Arguments</code>·is·a·list·of |
| 149 | the·<em>unevaluated</em>·arguments,·and·<code·class="inline">Bindings</code>·are·the·current·variable·bindings. | 149 | the·<em>unevaluated</em>·arguments,·and·<code·class="inline">Bindings</code>·are·the·current·variable·bindings. |
| 150 | The·function·handler·returns:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 150 | The·function·handler·returns:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1721950649-1">{</span><span·class="ss">value</span><span·class="p">,</span><span·class="n">Value</span><span·class="p">,</span><span·class="n">NewBindings</span><span·class="p"·data-group-id="1721950649-1">}</span></code></pre><p><code·class="inline">Value</code>·is·the·value·of·the·local·function·and·<code·class="inline">NewBindings</code>·are·the·updated |
| 151 | variable·bindings.·In·this·case,·the·function·handler·must·itself·evaluate·all | 151 | variable·bindings.·In·this·case,·the·function·handler·must·itself·evaluate·all |
| 152 | the·function·arguments·and·manage·the·bindings.·To·signal·an·error,·the | 152 | the·function·arguments·and·manage·the·bindings.·To·signal·an·error,·the |
| 153 | function·handler·calls·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit/1</code></a>·with·a·suitable·exit·value.</p></li><li><p><strong><code·class="inline">none</code></strong>·-·There·is·no·local·function·handler.</p></li></ul><h2·id="module-non-local-function-handler"·class="section-heading"> | 153 | function·handler·calls·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit/1</code></a>·with·a·suitable·exit·value.</p></li><li><p><strong><code·class="inline">none</code></strong>·-·There·is·no·local·function·handler.</p></li></ul><h2·id="module-non-local-function-handler"·class="section-heading"> |
| 154 | ··<a·href="#module-non-local-function-handler"·class="hover-link"> | 154 | ··<a·href="#module-non-local-function-handler"·class="hover-link"> |
| 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 156 | ··</a> | 156 | ··</a> |
| 157 | ··<span·class="text">Non-Local·Function·Handler</span> | 157 | ··<span·class="text">Non-Local·Function·Handler</span> |
| 158 | </h2> | 158 | </h2> |
| 159 | <p>The·optional·argument·<code·class="inline">NonLocalFunctionHandler</code>·can·be·used·to·define·a·function | 159 | <p>The·optional·argument·<code·class="inline">NonLocalFunctionHandler</code>·can·be·used·to·define·a·function |
| 160 | that·is·called·in·the·following·cases:</p><ul><li>A·functional·object·(fun)·is·called.</li><li>A·built-in·function·is·called.</li><li>A·function·is·called·using·the·<code·class="inline">M:F</code>·syntax,·where·<code·class="inline">M</code>·and·<code·class="inline">F</code>·are·atoms·or | 160 | that·is·called·in·the·following·cases:</p><ul><li>A·functional·object·(fun)·is·called.</li><li>A·built-in·function·is·called.</li><li>A·function·is·called·using·the·<code·class="inline">M:F</code>·syntax,·where·<code·class="inline">M</code>·and·<code·class="inline">F</code>·are·atoms·or |
| 161 | expressions.</li><li>An·operator·<code·class="inline">Op/A</code>·is·called·(this·is·handled·as·a·call·to·function | 161 | expressions.</li><li>An·operator·<code·class="inline">Op/A</code>·is·called·(this·is·handled·as·a·call·to·function |
| 162 | <code·class="inline">erlang:Op/A</code>).</li></ul><p>Exceptions·are·calls·to·<code·class="inline">erlang:apply/2,3</code>;·neither·of·the·function·handlers·are | 162 | <code·class="inline">erlang:Op/A</code>).</li></ul><p>Exceptions·are·calls·to·<code·class="inline">erlang:apply/2,3</code>;·neither·of·the·function·handlers·are |
| 163 | called·for·such·calls.·The·argument·can·have·the·following·formats:</p><ul><li><p><strong><code·class="inline">{value,Func}</code></strong>·-·This·defines·a·non-local·function·handler.·The·function | 163 | called·for·such·calls.·The·argument·can·have·the·following·formats:</p><ul><li><p><strong><code·class="inline">{value,Func}</code></strong>·-·This·defines·a·non-local·function·handler.·The·function |
| 164 | may·be·called·with·two·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Func</span><span·class="p"·data-group-id=" | 164 | may·be·called·with·two·arguments:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Func</span><span·class="p"·data-group-id="8309131638-1">(</span><span·class="n">FuncSpec</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Arguments</span><span·class="p"·data-group-id="8309131638-1">)</span></code></pre><p>or·three·arguments:</p><pre><code·class="makeup·erlang[·...·truncated·by·diffoscope;·len:·324,·SHA:·1f39a58521ed96ebfe1b250efede5b134ac1cc0751b86c1eaac3924739a8ac75·...·]-1">)</span></code></pre><p><code·class="inline">Anno</code>·is·the·<a·href="erl_anno.html#t:anno/0"><code·class="inline">erl_anno:anno()</code></a>·of·the·node,·<code·class="inline">FuncSpec</code> |
| 165 | is·the·name·of·the·function·on·the·form·<code·class="inline">{Module,Function}</code>·or·a·fun,·and | 165 | is·the·name·of·the·function·on·the·form·<code·class="inline">{Module,Function}</code>·or·a·fun,·and |
| 166 | <code·class="inline">Arguments</code>·is·a·list·of·the·<em>evaluated</em>·arguments.·The·function·handler | 166 | <code·class="inline">Arguments</code>·is·a·list·of·the·<em>evaluated</em>·arguments.·The·function·handler |
| 167 | returns·the·value·of·the·function.·To·signal·an·error,·the·function·handler | 167 | returns·the·value·of·the·function.·To·signal·an·error,·the·function·handler |
| 168 | calls·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit/1</code></a>·with·a·suitable·exit·value.</p></li><li><p><strong><code·class="inline">none</code></strong>·-·There·is·no·non-local·function·handler.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>For·calls·such·as·<code·class="inline">erlang:apply(Fun,·Args)</code>·or | 168 | calls·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#exit/1"><code·class="inline">exit/1</code></a>·with·a·suitable·exit·value.</p></li><li><p><strong><code·class="inline">none</code></strong>·-·There·is·no·non-local·function·handler.</p></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>For·calls·such·as·<code·class="inline">erlang:apply(Fun,·Args)</code>·or |
| 169 | <code·class="inline">erlang:apply(Module,·Function,·Args)</code>,·the·call·of·the·non-local·function | 169 | <code·class="inline">erlang:apply(Module,·Function,·Args)</code>,·the·call·of·the·non-local·function |
| 170 | handler·corresponding·to·the·call·to·<code·class="inline">erlang:apply/2,3</code>·itself | 170 | handler·corresponding·to·the·call·to·<code·class="inline">erlang:apply/2,3</code>·itself |
| 171 | (<code·class="inline">Func({erlang,·apply},·[Fun,·Args])</code>·or | 171 | (<code·class="inline">Func({erlang,·apply},·[Fun,·Args])</code>·or |
| Offset 1365, 15 lines modified | Offset 1365, 15 lines modified | ||
| 1365 | ······<p·class="built-using"> | 1365 | ······<p·class="built-using"> |
| 1366 | ········Built·using | 1366 | ········Built·using |
| 1367 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1367 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1368 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1368 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1369 | ······</p> | 1369 | ······</p> |
| 1370 | <p>Copyright·©·1996-202 | 1370 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1371 | ····</footer> | 1371 | ····</footer> |
| 1372 | ··</div> | 1372 | ··</div> |
| 1373 | </main> | 1373 | </main> |
| 1374 | </div> | 1374 | </div> |
| 1375 | <script> | 1375 | <script> |
| 1376 | ··function·mermaidLoaded()·{ | 1376 | ··function·mermaidLoaded()·{ |
| 1377 | ····mermaid.initialize({ | 1377 | ····mermaid.initialize({ |
| Offset 230, 15 lines modified | Offset 230, 15 lines modified | ||
| 230 | ······<p·class="built-using"> | 230 | ······<p·class="built-using"> |
| 231 | ········Built·using | 231 | ········Built·using |
| 232 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 232 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 233 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 233 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 234 | ······</p> | 234 | ······</p> |
| 235 | <p>Copyright·©·1996-202 | 235 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 236 | ····</footer> | 236 | ····</footer> |
| 237 | ··</div> | 237 | ··</div> |
| 238 | </main> | 238 | </main> |
| 239 | </div> | 239 | </div> |
| 240 | <script> | 240 | <script> |
| 241 | ··function·mermaidLoaded()·{ | 241 | ··function·mermaidLoaded()·{ |
| 242 | ····mermaid.initialize({ | 242 | ····mermaid.initialize({ |
| Offset 570, 15 lines modified | Offset 570, 15 lines modified | ||
| 570 | ······<p·class="built-using"> | 570 | ······<p·class="built-using"> |
| 571 | ········Built·using | 571 | ········Built·using |
| 572 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 572 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 573 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 573 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 574 | ······</p> | 574 | ······</p> |
| 575 | <p>Copyright·©·1996-202 | 575 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 576 | ····</footer> | 576 | ····</footer> |
| 577 | ··</div> | 577 | ··</div> |
| 578 | </main> | 578 | </main> |
| 579 | </div> | 579 | </div> |
| 580 | <script> | 580 | <script> |
| 581 | ··function·mermaidLoaded()·{ | 581 | ··function·mermaidLoaded()·{ |
| 582 | ····mermaid.initialize({ | 582 | ····mermaid.initialize({ |
| Offset 283, 15 lines modified | Offset 283, 15 lines modified | ||
| 283 | ······<p·class="built-using"> | 283 | ······<p·class="built-using"> |
| 284 | ········Built·using | 284 | ········Built·using |
| 285 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 285 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 286 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 286 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 287 | ······</p> | 287 | ······</p> |
| 288 | <p>Copyright·©·1996-202 | 288 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 289 | ····</footer> | 289 | ····</footer> |
| 290 | ··</div> | 290 | ··</div> |
| 291 | </main> | 291 | </main> |
| 292 | </div> | 292 | </div> |
| 293 | <script> | 293 | <script> |
| 294 | ··function·mermaidLoaded()·{ | 294 | ··function·mermaidLoaded()·{ |
| 295 | ····mermaid.initialize({ | 295 | ····mermaid.initialize({ |
| Offset 556, 15 lines modified | Offset 556, 15 lines modified | ||
| 556 | ······<p·class="built-using"> | 556 | ······<p·class="built-using"> |
| 557 | ········Built·using | 557 | ········Built·using |
| 558 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 558 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 559 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 559 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 560 | ······</p> | 560 | ······</p> |
| 561 | <p>Copyright·©·1996-202 | 561 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 562 | ····</footer> | 562 | ····</footer> |
| 563 | ··</div> | 563 | ··</div> |
| 564 | </main> | 564 | </main> |
| 565 | </div> | 565 | </div> |
| 566 | <script> | 566 | <script> |
| 567 | ··function·mermaidLoaded()·{ | 567 | ··function·mermaidLoaded()·{ |
| 568 | ····mermaid.initialize({ | 568 | ····mermaid.initialize({ |
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| 135 | your·own·Erlang·compiler.</p><h2·id="module-error-information"·class="section-heading"> | 135 | your·own·Erlang·compiler.</p><h2·id="module-error-information"·class="section-heading"> |
| 136 | ··<a·href="#module-error-information"·class="hover-link"> | 136 | ··<a·href="#module-error-information"·class="hover-link"> |
| 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 138 | ··</a> | 138 | ··</a> |
| 139 | ··<span·class="text">Error·Information</span> | 139 | ··<span·class="text">Error·Information</span> |
| 140 | </h2> | 140 | </h2> |
| 141 | <p><code·class="inline">ErrorInfo</code>·is·the·standard·<code·class="inline">ErrorInfo</code>·structure·that·is·returned·from·all·I/O | 141 | <p><code·class="inline">ErrorInfo</code>·is·the·standard·<code·class="inline">ErrorInfo</code>·structure·that·is·returned·from·all·I/O |
| 142 | modules.·The·format·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 142 | modules.·The·format·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0374335918-1">{</span><span·class="n">ErrorLine</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ErrorDescriptor</span><span·class="p"·data-group-id="03743359[·...·truncated·by·diffoscope;·len:·369,·SHA:·705e34ce670875998751d3b220fb14ff975ca24afeea3f5e6726b95e4eee4f45·...·]-1">)</span></code></pre><h2·id="module-see-also"·class="section-heading"> |
| 143 | ··<a·href="#module-see-also"·class="hover-link"> | 143 | ··<a·href="#module-see-also"·class="hover-link"> |
| 144 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 144 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 145 | ··</a> | 145 | ··</a> |
| 146 | ··<span·class="text">See·Also</span> | 146 | ··<span·class="text">See·Also</span> |
| 147 | </h2> | 147 | </h2> |
| 148 | <p><a·href="epp.html"><code·class="inline">epp</code></a>,·<a·href="erl_parse.html"><code·class="inline">erl_parse</code></a></p> | 148 | <p><a·href="epp.html"><code·class="inline">epp</code></a>,·<a·href="erl_parse.html"><code·class="inline">erl_parse</code></a></p> |
| 149 | ····</section> | 149 | ····</section> |
| Offset 573, 15 lines modified | Offset 573, 15 lines modified | ||
| 573 | ······<p·class="built-using"> | 573 | ······<p·class="built-using"> |
| 574 | ········Built·using | 574 | ········Built·using |
| 575 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 575 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 576 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 576 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 577 | ······</p> | 577 | ······</p> |
| 578 | <p>Copyright·©·1996-202 | 578 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 579 | ····</footer> | 579 | ····</footer> |
| 580 | ··</div> | 580 | ··</div> |
| 581 | </main> | 581 | </main> |
| 582 | </div> | 582 | </div> |
| 583 | <script> | 583 | <script> |
| 584 | ··function·mermaidLoaded()·{ | 584 | ··function·mermaidLoaded()·{ |
| 585 | ····mermaid.initialize({ | 585 | ····mermaid.initialize({ |
| Offset 134, 15 lines modified | Offset 134, 15 lines modified | ||
| 134 | (see·the·<a·href="erl_scan.html"><code·class="inline">erl_scan</code></a>)·module.</p><h2·id="module-error-information"·class="section-heading"> | 134 | (see·the·<a·href="erl_scan.html"><code·class="inline">erl_scan</code></a>)·module.</p><h2·id="module-error-information"·class="section-heading"> |
| 135 | ··<a·href="#module-error-information"·class="hover-link"> | 135 | ··<a·href="#module-error-information"·class="hover-link"> |
| 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 137 | ··</a> | 137 | ··</a> |
| 138 | ··<span·class="text">Error·Information</span> | 138 | ··<span·class="text">Error·Information</span> |
| 139 | </h2> | 139 | </h2> |
| 140 | <p>ErrorInfo·is·the·standard·ErrorInfo·structure·that·is·returned·from·all·I/O·modules. | 140 | <p>ErrorInfo·is·the·standard·ErrorInfo·structure·that·is·returned·from·all·I/O·modules. |
| 141 | The·format·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 141 | The·format·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="3359862360-1">{</span><span·class="n">ErrorLine</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ErrorDescriptor</span><span·class="p"·data-group-id="33598623[·...·truncated·by·diffoscope;·len:·369,·SHA:·0caa73dd6a9b50bc3d6d3ded19248574687b2537958f684b11983c196794ff4e·...·]-1">)</span></code></pre><h2·id="module-see-also"·class="section-heading"> |
| 142 | ··<a·href="#module-see-also"·class="hover-link"> | 142 | ··<a·href="#module-see-also"·class="hover-link"> |
| 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 143 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 144 | ··</a> | 144 | ··</a> |
| 145 | ··<span·class="text">See·Also</span> | 145 | ··<span·class="text">See·Also</span> |
| 146 | </h2> | 146 | </h2> |
| 147 | <p><a·href="erl_anno.html"><code·class="inline">erl_anno</code></a>,·<a·href="erl_scan.html"><code·class="inline">erl_scan</code></a>,·<a·href="io.html"><code·class="inline">io</code></a>,·section·<a·href="../../../../erts-15.2.3/doc/html/absform.html">The·Abstract·Format</a> | 147 | <p><a·href="erl_anno.html"><code·class="inline">erl_anno</code></a>,·<a·href="erl_scan.html"><code·class="inline">erl_scan</code></a>,·<a·href="io.html"><code·class="inline">io</code></a>,·section·<a·href="../../../../erts-15.2.3/doc/html/absform.html">The·Abstract·Format</a> |
| 148 | in·the·ERTS·User's·Guide.</p> | 148 | in·the·ERTS·User's·Guide.</p> |
| Offset 5628, 15 lines modified | Offset 5628, 15 lines modified | ||
| 5628 | ······<p·class="built-using"> | 5628 | ······<p·class="built-using"> |
| 5629 | ········Built·using | 5629 | ········Built·using |
| 5630 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 5630 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 5631 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 5631 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 5632 | ······</p> | 5632 | ······</p> |
| 5633 | <p>Copyright·©·1996-202 | 5633 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 5634 | ····</footer> | 5634 | ····</footer> |
| 5635 | ··</div> | 5635 | ··</div> |
| 5636 | </main> | 5636 | </main> |
| 5637 | </div> | 5637 | </div> |
| 5638 | <script> | 5638 | <script> |
| 5639 | ··function·mermaidLoaded()·{ | 5639 | ··function·mermaidLoaded()·{ |
| 5640 | ····mermaid.initialize({ | 5640 | ····mermaid.initialize({ |
| Offset 963, 15 lines modified | Offset 963, 15 lines modified | ||
| 963 | ······<p·class="built-using"> | 963 | ······<p·class="built-using"> |
| 964 | ········Built·using | 964 | ········Built·using |
| 965 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 965 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 966 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 966 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 967 | ······</p> | 967 | ······</p> |
| 968 | <p>Copyright·©·1996-202 | 968 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 969 | ····</footer> | 969 | ····</footer> |
| 970 | ··</div> | 970 | ··</div> |
| 971 | </main> | 971 | </main> |
| 972 | </div> | 972 | </div> |
| 973 | <script> | 973 | <script> |
| 974 | ··function·mermaidLoaded()·{ | 974 | ··function·mermaidLoaded()·{ |
| 975 | ····mermaid.initialize({ | 975 | ····mermaid.initialize({ |
| Offset 132, 15 lines modified | Offset 132, 15 lines modified | ||
| 132 | tokens.</p><h2·id="module-error-information"·class="section-heading"> | 132 | tokens.</p><h2·id="module-error-information"·class="section-heading"> |
| 133 | ··<a·href="#module-error-information"·class="hover-link"> | 133 | ··<a·href="#module-error-information"·class="hover-link"> |
| 134 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 134 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 135 | ··</a> | 135 | ··</a> |
| 136 | ··<span·class="text">Error·Information</span> | 136 | ··<span·class="text">Error·Information</span> |
| 137 | </h2> | 137 | </h2> |
| 138 | <p><code·class="inline">ErrorInfo</code>·is·the·standard·<code·class="inline">ErrorInfo</code>·structure·that·is·returned·from·all·I/O | 138 | <p><code·class="inline">ErrorInfo</code>·is·the·standard·<code·class="inline">ErrorInfo</code>·structure·that·is·returned·from·all·I/O |
| 139 | modules.·The·format·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7 | 139 | modules.·The·format·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="7188480317-1">{</span><span·class="n">ErrorLocation</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ErrorDescriptor</span><span·class="p"·data-group-id="71884[·...·truncated·by·diffoscope;·len:·372,·SHA:·7b311860f5b60b59988c0881b7e77a786edcf3f7645aec9d09def8d62400bb59·...·]-1">)</span></code></pre><h2·id="module-notes"·class="section-heading"> |
| 140 | ··<a·href="#module-notes"·class="hover-link"> | 140 | ··<a·href="#module-notes"·class="hover-link"> |
| 141 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 141 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 142 | ··</a> | 142 | ··</a> |
| 143 | ··<span·class="text">Notes</span> | 143 | ··<span·class="text">Notes</span> |
| 144 | </h2> | 144 | </h2> |
| 145 | <p>The·continuation·of·the·first·call·to·the·re-entrant·input·functions·must·be | 145 | <p>The·continuation·of·the·first·call·to·the·re-entrant·input·functions·must·be |
| 146 | <code·class="inline">[]</code>.·For·a·complete·description·of·how·the·re-entrant·input·scheme·works,·see | 146 | <code·class="inline">[]</code>.·For·a·complete·description·of·how·the·re-entrant·input·scheme·works,·see |
| Offset 1287, 15 lines modified | Offset 1287, 15 lines modified | ||
| 1287 | ······<p·class="built-using"> | 1287 | ······<p·class="built-using"> |
| 1288 | ········Built·using | 1288 | ········Built·using |
| 1289 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1289 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1290 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1290 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1291 | ······</p> | 1291 | ······</p> |
| 1292 | <p>Copyright·©·1996-202 | 1292 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1293 | ····</footer> | 1293 | ····</footer> |
| 1294 | ··</div> | 1294 | ··</div> |
| 1295 | </main> | 1295 | </main> |
| 1296 | </div> | 1296 | </div> |
| 1297 | <script> | 1297 | <script> |
| 1298 | ··function·mermaidLoaded()·{ | 1298 | ··function·mermaidLoaded()·{ |
| 1299 | ····mermaid.initialize({ | 1299 | ····mermaid.initialize({ |
| Offset 1239, 22 lines modified | Offset 1239, 22 lines modified | ||
| 1239 | storage·handling·function.</p><p>Parameter·<code·class="inline">UserData</code>·is·typically·the·result·of·opening·a·low-level·structure | 1239 | storage·handling·function.</p><p>Parameter·<code·class="inline">UserData</code>·is·typically·the·result·of·opening·a·low-level·structure |
| 1240 | like·a·file·descriptor·or·an·SFTP·channel·id.·The·different·<code·class="inline">Fun</code>·clauses | 1240 | like·a·file·descriptor·or·an·SFTP·channel·id.·The·different·<code·class="inline">Fun</code>·clauses |
| 1241 | operate·on·that·very·term.</p><p>The·following·are·the·fun·clauses·parameter·lists:</p><ul><li><p><strong><code·class="inline">(write,·{UserData,DataToWrite})</code></strong>·-·Writes·term·<code·class="inline">DataToWrite</code>·using | 1241 | operate·on·that·very·term.</p><p>The·following·are·the·fun·clauses·parameter·lists:</p><ul><li><p><strong><code·class="inline">(write,·{UserData,DataToWrite})</code></strong>·-·Writes·term·<code·class="inline">DataToWrite</code>·using |
| 1242 | <code·class="inline">UserData</code>.</p></li><li><p><strong><code·class="inline">(close,·UserData)</code></strong>·-·Closes·the·access.</p></li><li><p><strong><code·class="inline">(read2,·{UserData,Size})</code></strong>·-·Reads·using·<code·class="inline">UserData</code>·but·only·<code·class="inline">Size</code>·bytes. | 1242 | <code·class="inline">UserData</code>.</p></li><li><p><strong><code·class="inline">(close,·UserData)</code></strong>·-·Closes·the·access.</p></li><li><p><strong><code·class="inline">(read2,·{UserData,Size})</code></strong>·-·Reads·using·<code·class="inline">UserData</code>·but·only·<code·class="inline">Size</code>·bytes. |
| 1243 | Notice·that·there·is·only·an·arity-2·read·function,·not·an·arity-1·function.</p></li><li><p><strong><code·class="inline">(position,{UserData,Position})</code></strong>·-·Sets·the·position·of·<code·class="inline">UserData</code>·as | 1243 | Notice·that·there·is·only·an·arity-2·read·function,·not·an·arity-1·function.</p></li><li><p><strong><code·class="inline">(position,{UserData,Position})</code></strong>·-·Sets·the·position·of·<code·class="inline">UserData</code>·as |
| 1244 | defined·for·files·in·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#position/2"><code·class="inline">file:position/2</code></a></p></li></ul><p><em>Example:</em></p><p>The·following·is·a·complete·<code·class="inline">Fun</code>·parameter·for·reading·and·writing·on·files | 1244 | defined·for·files·in·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#position/2"><code·class="inline">file:position/2</code></a></p></li></ul><p><em>Example:</em></p><p>The·following·is·a·complete·<code·class="inline">Fun</code>·parameter·for·reading·and·writing·on·files |
| 1245 | using·the·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html"><code·class="inline">file</code></a>·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ExampleFun</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 1245 | using·the·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html"><code·class="inline">file</code></a>·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ExampleFun</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 1246 | ···</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 1246 | ···</span><span·class="nf">fun</span><span·class="p"·data-group-id="3729212550-1">(</span><span·class="ss">write</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3729212550-2">{</span><span·class="n">Fd</span><span·class="p">,</span><span·class="n">Data</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·430,·SHA:·11def8033d8b3df1404c81e849adb7acd9f7942c486bd16064b3a35731c0860d·...·]-3">)</span><span·class="p">;</span><span·class="w"> |
| 1247 | ······</span><span·class="p"·data-group-id=" | 1247 | ······</span><span·class="p"·data-group-id="3729212550-4">(</span><span·class="ss">position</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3729212550-5">{</span><span·class="n">Fd</span><span·class="p">,</span><span·class="n">Pos</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·433,·SHA:·740658a4e1c4e47aced8cad0f05137926e18b4cc2c7a411be1de7e0d5042b504·...·]-6">)</span><span·class="p">;</span><span·class="w"> |
| 1248 | ······</span><span·class="p"·data-group-id=" | 1248 | ······</span><span·class="p"·data-group-id="3729212550-7">(</span><span·class="ss">read2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3729212550-8">{</span><span·class="n">Fd</span><span·class="p">,</span><span·class="n">Size</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·428,·SHA:·bc41e4fa8e13a8e10af867b352d603868c8318869242a11dd7a2512797c8df76·...·]-9">)</span><span·class="p">;</span><span·class="w"> |
| 1249 | ······</span><span·class="p"·data-group-id=" | 1249 | ······</span><span·class="p"·data-group-id="3729212550-10">(</span><span·class="ss">close</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Fd</span><span·class="p"·data-group-id="3729212550-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·200,·SHA:·5692899b580200861db713d5545407dcf96d6ec760045205724017142e810af2·...·]-11">)</span><span·class="w"> |
| 1250 | ···</span><span·class="k">end</span></code></pre><p>Here·<code·class="inline">Fd</code>·was·specified·to·function·<a·href="#init/3"><code·class="inline">init/3</code></a>·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1920972231-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Fd</span><span·class="p"·data-group-id="1920972231-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="1920972231-2">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="1920972231-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 1251 | </span><span·class=" | 1250 | ···</span><span·class="k">end</span></code></pre><p>Here·<code·class="inline">Fd</code>·was·specified·to·function·<a·href="#init/3"><code·class="inline">init/3</code></a>·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·573,·SHA:·b491c67b039154d1bcf83b4674bd3c14d058cd12cabcec98783c0ccca51acf23·...·]</span><span·class="w"> |
| 1251 | </span><span·class="p"·data-group-id="0820039245-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">TarDesc</span><span·class="p"·data-group-id="0820039245-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erl_tar</span><span·class="p">:</span><span·class="nf">init</span><span·class="p"·data-group-id="0820039245-4">(</span><span·class="n">Fd</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0820039245-5">[</span><span·class="ss">write</span><span·class="p"·data-group-id="0820039245-5">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ExampleFun</span><span·class="p"·data-group-id="0820039245-4">)</span><span·class="p">,</span></code></pre><p><code·class="inline">TarDesc</code>·is·then·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">erl_tar</span><span·class="p">:</span><span·class="nf">add</span><span·class="p"·data-group-id="7616127820-1">(</span><span·class="n">TarDesc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SomeValueIwantToAdd</span><span·class="p">,</span><span·class="w">·</span><span·class="n">FileNameInTarFile</span><span·class="p"·data-group-id="7616127820-1">)</span><span·class="p">,</span><span·class="w"> | ||
| 1252 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w"> | 1252 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">,</span><span·class="w"> |
| 1253 | </span><span·class="nc">erl_tar</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 1253 | </span><span·class="nc">erl_tar</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="7616127820-2">(</span><span·class="n">TarDesc</span><span·class="p"·data-group-id="7616127820-2">)</span></code></pre><p>When·the·<code·class="inline">erl_tar</code>·core·wants·to,·for·example,·write·a·piece·of·<code·class="inline">Data</code>,·it·would |
| 1254 | call·<code·class="inline">ExampleFun(write,·{UserData,Data})</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·example·with·the·<code·class="inline">file</code>·module·operations·is·not·necessary·to·use | 1254 | call·<code·class="inline">ExampleFun(write,·{UserData,Data})</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·example·with·the·<code·class="inline">file</code>·module·operations·is·not·necessary·to·use |
| 1255 | directly,·as·that·is·what·function·<a·href="#open/2"><code·class="inline">open/2</code></a>·in·principle·does.</p></section><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>The·<code·class="inline">TarDescriptor</code>·term·is·not·a·file·descriptor.·You·are·advised·not·to·rely | 1255 | directly,·as·that·is·what·function·<a·href="#open/2"><code·class="inline">open/2</code></a>·in·principle·does.</p></section><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>The·<code·class="inline">TarDescriptor</code>·term·is·not·a·file·descriptor.·You·are·advised·not·to·rely |
| 1256 | on·the·specific·contents·of·this·term,·as·it·can·change·in·future·Erlang/OTP | 1256 | on·the·specific·contents·of·this·term,·as·it·can·change·in·future·Erlang/OTP |
| 1257 | releases·when·more·features·are·added·to·this·module.</p></section> | 1257 | releases·when·more·features·are·added·to·this·module.</p></section> |
| 1258 | ··</section> | 1258 | ··</section> |
| 1259 | </section> | 1259 | </section> |
| 1260 | <section·class="detail"·id="open/2"> | 1260 | <section·class="detail"·id="open/2"> |
| Offset 1425, 15 lines modified | Offset 1425, 15 lines modified | ||
| 1425 | ······<p·class="built-using"> | 1425 | ······<p·class="built-using"> |
| 1426 | ········Built·using | 1426 | ········Built·using |
| 1427 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1427 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1428 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1428 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1429 | ······</p> | 1429 | ······</p> |
| 1430 | <p>Copyright·©·1996-202 | 1430 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1431 | ····</footer> | 1431 | ····</footer> |
| 1432 | ··</div> | 1432 | ··</div> |
| 1433 | </main> | 1433 | </main> |
| 1434 | </div> | 1434 | </div> |
| 1435 | <script> | 1435 | <script> |
| 1436 | ··function·mermaidLoaded()·{ | 1436 | ··function·mermaidLoaded()·{ |
| 1437 | ····mermaid.initialize({ | 1437 | ····mermaid.initialize({ |
| Offset 502, 75 lines modified | Offset 502, 75 lines modified | ||
| 502 | <code·class="inline">shebang</code>·defaults·to·<code·class="inline">"/usr/bin/env·escript"</code>.·The·<code·class="inline">comment</code>·defaults·to | 502 | <code·class="inline">shebang</code>·defaults·to·<code·class="inline">"/usr/bin/env·escript"</code>.·The·<code·class="inline">comment</code>·defaults·to |
| 503 | <code·class="inline">"This·is·an·-*-·erlang·-*-·file"</code>.·The·created·escript·can·either·be·returned | 503 | <code·class="inline">"This·is·an·-*-·erlang·-*-·file"</code>.·The·created·escript·can·either·be·returned |
| 504 | as·a·binary·or·written·to·file.</p><p>As·an·example·of·how·the·function·can·be·used,·we·create·an·interpreted·escript | 504 | as·a·binary·or·written·to·file.</p><p>As·an·example·of·how·the·function·can·be·used,·we·create·an·interpreted·escript |
| 505 | that·uses·<code·class="inline">emu_args</code>·to·set·some·emulator·flag.·In·this·case,·it·happens·to·set | 505 | that·uses·<code·class="inline">emu_args</code>·to·set·some·emulator·flag.·In·this·case,·it·happens·to·set |
| 506 | number·of·schedulers·with·<code·class="inline">+S3</code>.·We·also·extract·the·different·sections·from·the | 506 | number·of·schedulers·with·<code·class="inline">+S3</code>.·We·also·extract·the·different·sections·from·the |
| 507 | newly·created·script:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">Source</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"%%·Demo\nmain(_Args)·->\n····io:format(\"</span><span·class="si">~p</span><span·class="s">\",[erlang:system_info(schedulers)]).\n"</span><span·class="p">.</span><span·class="w"> | 507 | newly·created·script:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">Source</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"%%·Demo\nmain(_Args)·->\n····io:format(\"</span><span·class="si">~p</span><span·class="s">\",[erlang:system_info(schedulers)]).\n"</span><span·class="p">.</span><span·class="w"> |
| 508 | </span><span·class="s">"%%·Demo\nmain(_Args)·->\n····io:format(erlang:system_info(schedulers)).\n"</span><span·class="gp·unselectable"> | 508 | </span><span·class="s">"%%·Demo\nmain(_Args)·->\n····io:format(erlang:system_info(schedulers)).\n"</span><span·class="gp·unselectable"> |
| 509 | >·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 509 | >·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3701906680-1">(</span><span·class="s">"</span><span·class="si">~s</span><span·class="s">\n"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3701906680-2">[</span><span·class="n">Source</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·76,·SHA:·f44310bf80c3990da99a55e6329e18c06ec0c1a6f9ca3b412152587a81e61d9f·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 510 | </span><span·class="c1">%%·Demo</span><span·class="w"> | 510 | </span><span·class="c1">%%·Demo</span><span·class="w"> |
| 511 | </span><span·class="nf">main</span><span·class="p"·data-group-id=" | 511 | </span><span·class="nf">main</span><span·class="p"·data-group-id="3701906680-3">(</span><span·class="p">_</span><span·class="n">Args</span><span·class="p"·data-group-id="3701906680-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 512 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 512 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="3701906680-4">(</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="3701906680-5">(</span><span·class="ss">schedulers</span><span·class="p"·data-group-id="3701906680-5">)</span><span[·...·truncated·by·diffoscope;·len:·36,·SHA:·e7fd27958b93c8f29bb85291c3289b24109ff373d41326d47625a79c5e9c80a6·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 513 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 513 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 514 | >·</span><span·class="p"·data-group-id=" | 514 | >·</span><span·class="p"·data-group-id="3701906680-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bin</span><span·class="p"·data-group-id="3701906680-6">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·630,·SHA:·88a5b90bc6a96cb4282f6578585d23dfd042d8ecfff66970462276e663ff7a70·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 515 | ······································</span><span·class="p"·data-group-id=" | 515 | ······································</span><span·class="p"·data-group-id="3701906680-10">{</span><span·class="ss">source</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">list_to_binary</span><span·class="p"·data-group-id="3701906680-11">(</span><span·class="n">Source</span><span·class="p"·data-group-id="370[·...·truncated·by·diffoscope;·len:·168,·SHA:·81f2685dc67155a65797861a1ed86cdf79332c807253296a4d6d6c5bfde3a7b3·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 516 | </span><span·class="p"·data-group-id=" | 516 | </span><span·class="p"·data-group-id="3701906680-12">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3701906680-13"><<</span><span·class="s">"#!/usr/bin/env·escript\n%%·This·is·an·-*-·erlang·-*-·file\n%%!+S3"</span><span·class="p">.</spa[·...·truncated·by·diffoscope;·len:·152,·SHA:·78bdb34891ce95dac9c7384040f2833657e042372f48ad7671afddc317918531·...·]-12">}</span><span·class="gp·unselectable"> |
| 517 | >·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write_file</span><span·class="p"·data-group-id=" | 517 | >·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write_file</span><span·class="p"·data-group-id="3701906680-14">(</span><span·class="s">"demo.escript"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bin</span><span·class="p"·data-group-id="3701906680-14">)</span><span·class="p">.</span><span·class="w"> |
| 518 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 518 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 519 | >·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id=" | 519 | >·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id="3701906680-15">(</span><span·class="s">"escript·demo.escript"</span><span·class="p"·data-group-id="3701906680-15">)</span><span·class="p">.</span><span·class="w"> |
| 520 | </span><span·class="s">"3"</span><span·class="gp·unselectable"> | 520 | </span><span·class="s">"3"</span><span·class="gp·unselectable"> |
| 521 | >·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">extract</span><span·class="p"·data-group-id="6320868508-16">(</span><span·class="s">"demo.escript"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6320868508-17">[</span><span·class="p"·data-group-id="6320868508-17">]</span><span·class="p"·data-group-id="6320868508-16">)</span><span·class="p">.</span><span·class="w"> | ||
| 522 | </span><span·class= | 521 | >·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">extract</span><span·class="p"·data-group-id="3701906680-16">(</span><span·class="s">"demo.escript"</span><span·class="p">,</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·170,·SHA:·336855f87a8695111f99c03a377dbdd12b0fac515ebc18a8b3e154452b5c32d4·...·]</span><span·class="w"> |
| 522 | </span><span·class="p"·data-group-id="3701906680-18">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3701906680-19">[</span><span·class="p"·data-group-id="3701906680-20">{</span><span·class="ss">shebang</span><span·class="p">,</span><span·class="ss">default</span><span·class="p"·data-group-id="3701906680-20">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3701906680-21">{</span><span·class="ss">comment</span><span·class="p">,</span><span·class="ss">default</span><span·class="p"·data-group-id="3701906680-21">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3701906680-22">{</span><span·class="ss">emu_args</span><span·class="p">,</span><span·class="s">"+S3"</span><span·class="p"·data-group-id="3701906680-22">}</span><span·class="p">,</span><span·class="w"> | ||
| 523 | ·····</span><span·class="p"·data-group-id=" | 523 | ·····</span><span·class="p"·data-group-id="3701906680-23">{</span><span·class="ss">source</span><span·class="p">,</span><span·class="p"·data-group-id="3701906680-24"><<</span><span·class="s">"%%·Demo\nmain(_Args)·->\n····io:format(erlang:system_info(schedu"</span><span·class="p">[·...·truncated·by·diffoscope;·len:·568,·SHA:·e40a3511bcf91fd972362be91a7df701d273789f5872a2778c1396081ce7810c·...·]-1">(</span><span·class="s">"demo.erl"</span><span·class="p">,</span><span·class="w"> |
| 524 | ··················</span><span·class="p"·data-group-id=" | 524 | ··················</span><span·class="p"·data-group-id="3033283808-2">[</span><span·class="s">"%%·demo.erl\n-module(demo).\n-export([main/1]).\n\n"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Source</span><span·class="p"·data-group-id="3033283808-2">]</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·658836cb8db64fd673413bc86d267f147d33b2087791ac30c93f5e34e380b35e·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 525 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 525 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 526 | >·</span><span·class="p"·data-group-id=" | 526 | >·</span><span·class="p"·data-group-id="3033283808-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">BeamCode</span><span·class="p"·data-group-id="3033283808-3">}</span><spa[·...·truncated·by·diffoscope;·len:·554,·SHA:·551adbe125b928be663b54dba6a4e0d867fd964f1c6f590a44e16625c70b8314·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 527 | </span><span·class="p"·data-group-id=" | 527 | </span><span·class="p"·data-group-id="3033283808-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">demo</span><span·class="p">,</span><span·class="w"> |
| 528 | ····</span><span·class="p"·data-group-id=" | 528 | ····</span><span·class="p"·data-group-id="3033283808-7"><<</span><span·class="mi">70</span><span·class="p">,</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">82</span><span·class="p">,</span><span·class="mi">49</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">208</span><span·class="p">,</span><span·class="mi">66</span><span·class="p">,</span><span·class="mi">69</span><span·class="p">,</span><span·class="mi">65</span><span·class="p">,</span><span·class="mi">77</span><span·class="p">,</span><span·class="mi">65</span><span·class="p">,</span><span·class="mi">116</span><span·class="p">,</span><span·class="mi">111</span><span·class="p">,</span><span·class="mi">109</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 529 | ······</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">9</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">100</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 529 | ······</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">9</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">100</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3033283808-7">>></span><span·class="p"·data-group-id="3033283808-6">}</span><span·class="gp·unselectable"> |
| 530 | >·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">create</span><span·class="p"·data-group-id=" | 530 | >·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">create</span><span·class="p"·data-group-id="3033283808-8">(</span><span·class="s">"demo.beam"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3033283808-9">[</span><span·class="p"·data-group-id="3033283808-10">{</span><span·class="ss">beam</span><span·c[·...·truncated·by·diffoscope;·len:·220,·SHA:·54068b7ca563505ea578600a929fd7d89f5e35412944d69ca5598ac74ad2b0e8·...·]-8">)</span><span·class="p">.</span><span·class="w"> |
| 531 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 531 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 532 | >·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">extract</span><span·class="p"·data-group-id=" | 532 | >·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">extract</span><span·class="p"·data-group-id="3033283808-11">(</span><span·class="s">"demo.beam"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3033283808-12">[</span><span·class="p"·data-group-id="3033283808-12">]</span><span·class="p"·data-group-id="30[·...·truncated·by·diffoscope;·len:·8,·SHA:·cefbee174bb1bbc6b348d5cd8f4f6377c630d3689c996ee8f3d170553ec23e41·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 533 | </span><span·class="p"·data-group-id=" | 533 | </span><span·class="p"·data-group-id="3033283808-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3033283808-14">[</span><span·class="p"·data-group-id="3033283808-15">{</span><span·class="ss">shebang</span><span·class="p">,</span><span·class="ss">und[·...·truncated·by·diffoscope;·len:·543,·SHA:·d9f2d1d248717023b7f9743ceb3755d34453c91ad33212feb8474c968d95ef85·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 534 | ·····</span><span·class="p"·data-group-id=" | 534 | ·····</span><span·class="p"·data-group-id="3033283808-18">{</span><span·class="ss">beam</span><span·class="p">,</span><span·class="p"·data-group-id="3033283808-19"><<</span><span·class="mi">70</span><span·class="p">,</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">82</span><span·class="p">,</span><span·class="mi">49</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">68</span><span·class="p">,</span><span·class="mi">66</span><span·class="p">,</span><span·class="mi">69</span><span·class="p">,</span><span·class="mi">65</span><span·class="p">,</span><span·class="mi">77</span><span·class="p">,</span><span·class="mi">65</span><span·class="p">,</span><span·class="mi">116</span><span·class="p">,</span><span·class="w"> |
| 535 | ·············</span><span·class="mi">111</span><span·class="p">,</span><span·class="mi">109</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">83</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">9</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 535 | ·············</span><span·class="mi">111</span><span·class="p">,</span><span·class="mi">109</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">83</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">9</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3033283808-19">>></span><span·class="p"·data-group-id="3033283808-18">}</span><span·class="p"·data-group-id="3033283808-14">]</span><span·class="p"·data-group-id="3033283808-13">}</span><span·class="gp·unselectable"> |
| 536 | >·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id=" | 536 | >·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">cmd</span><span·class="p"·data-group-id="3033283808-20">(</span><span·class="s">"escript·demo.beam"</span><span·class="p"·data-group-id="3033283808-20">)</span><span·class="p">.</span><span·class="w"> |
| 537 | </span><span·class="s">"true"</span></code></pre><p>Here·we·create·an·archive·script·containing·both·Erlang·code·and·Beam·code,·then | 537 | </span><span·class="s">"true"</span></code></pre><p>Here·we·create·an·archive·script·containing·both·Erlang·code·and·Beam·code,·then |
| 538 | we·iterate·over·all·files·in·the·archive·and·collect·their·contents·and·some | 538 | we·iterate·over·all·files·in·the·archive·and·collect·their·contents·and·some |
| 539 | information·about·them:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="6773647226-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SourceCode</span><span·class="p"·data-group-id="6773647226-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">read_file</span><span·class="p"·data-group-id="6773647226-2">(</span><span·class="s">"demo.erl"</span><span·class="p"·data-group-id="6773647226-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 540 | 539 | information·about·them:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="5995552099-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class=[·...·truncated·by·diffoscope;·len:·418,·SHA:·2d75eec69bd49800a22f9aa89bb8b7e26dd7cd1e1b827ca564174c77b419eb77·...·]"> | |
| 540 | </span><span·class="p"·data-group-id="5995552099-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="5995552099-4"><<</span><span·class="s">"%%·demo.erl\n-module(demo).\n-export([main/1]).\n\n%%·Demo\nmain(_Arg"</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="5995552099-4">>></span><span·class="p"·data-group-id="5995552099-3">}</span><span·class="gp·unselectable"> | ||
| 541 | >·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">create</span><span·class="p"·data-group-id=" | 541 | >·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">create</span><span·class="p"·data-group-id="5995552099-5">(</span><span·class="s">"demo.escript"</span><span·class="p">,</span><span·class="w"> |
| 542 | ·················</span><span·class="p"·data-group-id=" | 542 | ·················</span><span·class="p"·data-group-id="5995552099-6">[</span><span·class="ss">shebang</span><span·class="p">,</span><span·class="w"> |
| 543 | ··················</span><span·class="p"·data-group-id=" | 543 | ··················</span><span·class="p"·data-group-id="5995552099-7">{</span><span·class="ss">archive</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5995552099-8">[</span><span·class="p"·data-group-id="5995552099-9">{</span><span·class="s">"demo.erl"</span><span·[·...·truncated·by·diffoscope;·len:·116,·SHA:·15410dff1d06b72fa43ae66456fa6d1fbd9be54482c4877de1ab78bab2fdd60e·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 544 | ·····························</span><span·class="p"·data-group-id=" | 544 | ·····························</span><span·class="p"·data-group-id="5995552099-10">{</span><span·class="s">"demo.beam"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">BeamCode</span><span·class="p"·data-group-id="5995552099-10">}</span><span·class="p"·data-group-id="5995552099-8">]</span><sp[·...·truncated·by·diffoscope;·len:·300,·SHA:·f369c9944241d53dc203d22c7333dfa583a372ba79bd10177c44d9ef77c70eaf·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 545 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 545 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 546 | >·</span><span·class="p"·data-group-id=" | 546 | >·</span><span·class="p"·data-group-id="5995552099-12">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5995552099-13">[</span><span·class="p"·data-group-id="5995552099-14">{</span><span·class="ss">shebang</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·565,·SHA:·970f661b56944bd6b934d8daf74677d8415938b1976dbada31369992fb6f1b8c·...·]-16">}</span><span·class="p">,</span><span·class="w"> |
| 547 | ·····</span><span·class="p"·data-group-id=" | 547 | ·····</span><span·class="p"·data-group-id="5995552099-17">{</span><span·class="ss">archive</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArchiveBin</span><span·class="p"·data-group-id="5995552099-17">}</span><span·class="p"·data-group-id="5995552099-13">]</span><span·class="[·...·truncated·by·diffoscope;·len:·497,·SHA:·92098c8b53e98c3d32396d412bb751873e7905657862b4ba797350df71c92cf6·...·]-18">)</span><span·class="p">.</span><span·class="w"> |
| 548 | </span><span·class="p"·data-group-id=" | 548 | </span><span·class="p"·data-group-id="5995552099-20">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="5995552099-21">[</span><span·class="p"·data-group-id="5995552099-22">{</span><span·class="ss">shebang</span><span·class="p">,</span><span·class="ss">def[·...·truncated·by·diffoscope;·len:·541,·SHA:·da49d2723d52d0d45c4064c36aad2ef1cd2986cfbc05e063a47fc2a90ade6107·...·]-24">}</span><span·class="p">,</span><span·class="w"> |
| 549 | ·····</span><span·class="p"·data-group-id=" | 549 | ·····</span><span·class="p"·data-group-id="5995552099-25">{</span><span·class="p"·data-group-id="5995552099-26">{</span><span·class="ss">archive</span><span·class="p">,</span><span·class="p"·data-group-id="5995552099-27"><<</span><span·class="mi">80</span><span·class="p">,</span><span·class="mi">75</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">20</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">8</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">118</span><span·class="p">,</span><span·class="mi">7</span><span·class="p">,</span><span·class="mi">98</span><span·class="p">,</span><span·class="mi">60</span><span·class="p">,</span><span·class="mi">105</span><span·class="p">,</span><span·class="w"> |
| 550 | ················</span><span·class="mi">152</span><span·class="p">,</span><span·class="mi">61</span><span·class="p">,</span><span·class="mi">93</span><span·class="p">,</span><span·class="mi">107</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">118</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 550 | ················</span><span·class="mi">152</span><span·class="p">,</span><span·class="mi">61</span><span·class="p">,</span><span·class="mi">93</span><span·class="p">,</span><span·class="mi">107</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">118</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="5995552099-27">>></span><span·class="p"·data-group-id="5995552099-26">}</span><span·class="p">]</span><span·class="p"·data-group-id="5995552099-25">}</span><span·class="gp·unselectable"> |
| 551 | >·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write_file</span><span·class="p"·data-group-id=" | 551 | >·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write_file</span><span·class="p"·data-group-id="5995552099-28">(</span><span·class="s">"demo.zip"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArchiveBin</span><span·class="p"·data-group-id="5995552099-28">)</span><span·class="p">.</span><span·class="w"> |
| 552 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 552 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 553 | >·</span><span·class="nc">zip</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id=" | 553 | >·</span><span·class="nc">zip</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="5995552099-29">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="5995552099-30">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">I</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·1252,·SHA:·1048ffcff5f472d97c59512aeab849a59b2a281ae26624bc1324558b1121c8d6·...·]-29">)</span><span·class="p">.</span><span·class="w"> |
| 554 | </span><span·class="p"·data-group-id=" | 554 | </span><span·class="p"·data-group-id="5995552099-36">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="5995552099-37">[</span><span·class="p"·data-group-id="5995552099-38">{</span><span·class="s">"demo.beam"</span><span·class="p">,</span><span·class="w"> |
| 555 | ······</span><span·class="p"·data-group-id=" | 555 | ······</span><span·class="p"·data-group-id="5995552099-39">{</span><span·class="ss">file_info</span><span·class="p">,</span><span·class="mi">748</span><span·class="p">,</span><span·class="ss">regular</span><span·class="p">,</span><span·class="ss">read_write</span><span·class="p">,</span><span·class="w"> |
| 556 | ·················</span><span·class="p"·data-group-id=" | 556 | ·················</span><span·class="p"·data-group-id="5995552099-40">{</span><span·class="p"·data-group-id="5995552099-41">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5995552099-41">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·7cf7fff0c77671a8a1df848e0b7e753ad0bad814115b5d9a7682b89482fd3476·...·]-40">}</span><span·class="p">,</span><span·class="w"> |
| 557 | ·················</span><span·class="p"·data-group-id=" | 557 | ·················</span><span·class="p"·data-group-id="5995552099-43">{</span><span·class="p"·data-group-id="5995552099-44">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5995552099-44">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·6c47751242b64e9e2935561ce9c45dbe5520d5c01cc6e577f9e71982a2e2f03f·...·]-43">}</span><span·class="p">,</span><span·class="w"> |
| 558 | ·················</span><span·class="p"·data-group-id=" | 558 | ·················</span><span·class="p"·data-group-id="5995552099-46">{</span><span·class="p"·data-group-id="5995552099-47">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5995552099-47">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·1b1e8c0bf29a0f6bc41b1d496e0ea2780eac8ef49651b4acca0138460541d906·...·]-46">}</span><span·class="p">,</span><span·class="w"> |
| 559 | ·················</span><span·class="mi">54</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id=" | 559 | ·················</span><span·class="mi">54</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="5995552099-39">}</span><span·class="p">,</span><span·class="w"> |
| 560 | ······</span><span·class="p"·data-group-id=" | 560 | ······</span><span·class="p"·data-group-id="5995552099-49"><<</span><span·class="mi">70</span><span·class="p">,</span><span·class="mi">79</span><span·class="p">,</span><span·class="mi">82</span><span·class="p">,</span><span·class="mi">49</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">228</span><span·class="p">,</span><span·class="mi">66</span><span·class="p">,</span><span·class="mi">69</span><span·class="p">,</span><span·class="mi">65</span><span·class="p">,</span><span·class="mi">77</span><span·class="p">,</span><span·class="mi">65</span><span·class="p">,</span><span·class="mi">116</span><span·class="p">,</span><span·class="mi">111</span><span·class="p">,</span><span·class="mi">109</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 561 | ········</span><span·class="mi">83</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 561 | ········</span><span·class="mi">83</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="5995552099-49">>></span><span·class="p"·data-group-id="5995552099-38">}</span><span·class="p">,</span><span·class="w"> |
| 562 | ·····</span><span·class="p"·data-group-id=" | 562 | ·····</span><span·class="p"·data-group-id="5995552099-50">{</span><span·class="s">"demo.erl"</span><span·class="p">,</span><span·class="w"> |
| 563 | ······</span><span·class="p"·data-group-id=" | 563 | ······</span><span·class="p"·data-group-id="5995552099-51">{</span><span·class="ss">file_info</span><span·class="p">,</span><span·class="mi">118</span><span·class="p">,</span><span·class="ss">regular</span><span·class="p">,</span><span·class="ss">read_write</span><span·class="p">,</span><span·class="w"> |
| 564 | ·················</span><span·class="p"·data-group-id=" | 564 | ·················</span><span·class="p"·data-group-id="5995552099-52">{</span><span·class="p"·data-group-id="5995552099-53">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5995552099-53">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·84fa37103893ddcfddd8a9366f4d0e5531203ae288396156e58883d94a750f38·...·]-52">}</span><span·class="p">,</span><span·class="w"> |
| 565 | ·················</span><span·class="p"·data-group-id=" | 565 | ·················</span><span·class="p"·data-group-id="5995552099-55">{</span><span·class="p"·data-group-id="5995552099-56">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5995552099-56">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·1939cf0fdd0c33e6d814d7c9eed21bcad5fd12a5a498b041689dca0f043d3153·...·]-55">}</span><span·class="p">,</span><span·class="w"> |
| 566 | ·················</span><span·class="p"·data-group-id=" | 566 | ·················</span><span·class="p"·data-group-id="5995552099-58">{</span><span·class="p"·data-group-id="5995552099-59">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5995552099-59">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·d30d24a9ab367ecc1cd17410e852267b47b6c4d4641e543143be3c3430343275·...·]-58">}</span><span·class="p">,</span><span·class="w"> |
| 567 | ·················</span><span·class="mi">54</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id=" | 567 | ·················</span><span·class="mi">54</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="5995552099-51">}</span><span·class="p">,</span><span·class="w"> |
| 568 | ······</span><span·class="p"·data-group-id=" | 568 | ······</span><span·class="p"·data-group-id="5995552099-61"><<</span><span·class="s">"%%·demo.erl\n-module(demo).\n-export([main/1]).\n\n%%·Demo\nmain(_Arg"</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="5995552099-61">>[·...·truncated·by·diffoscope;·len:·160,·SHA:·fe7d926c03cf08ba29f91cc17ee8509585eb49dc6b90c1cedfee6ce44980d710·...·]-36">}</span></code></pre> |
| 569 | ··</section> | 569 | ··</section> |
| 570 | </section> | 570 | </section> |
| 571 | <section·class="detail"·id="extract/2"> | 571 | <section·class="detail"·id="extract/2"> |
| 572 | ··<div·class="detail-header"> | 572 | ··<div·class="detail-header"> |
| 573 | ····<a·href="#extract/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 573 | ····<a·href="#extract/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 574 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 574 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 593, 24 lines modified | Offset 593, 24 lines modified | ||
| 593 | ······</div> | 593 | ······</div> |
| 594 | <p>Parses·an·escript·and·extracts·its·sections.·This·is·the·reverse·of·<a·href="#create/2"><code·class="inline">create/2</code></a>.</p><p>All·sections·are·returned·even·if·they·do·not·exist·in·the·escript.·If·a | 594 | <p>Parses·an·escript·and·extracts·its·sections.·This·is·the·reverse·of·<a·href="#create/2"><code·class="inline">create/2</code></a>.</p><p>All·sections·are·returned·even·if·they·do·not·exist·in·the·escript.·If·a |
| 595 | particular·section·happens·to·have·the·same·value·as·the·default·value,·the | 595 | particular·section·happens·to·have·the·same·value·as·the·default·value,·the |
| 596 | extracted·value·is·set·to·the·atom·<code·class="inline">default</code>.·If·a·section·is·missing,·the | 596 | extracted·value·is·set·to·the·atom·<code·class="inline">default</code>.·If·a·section·is·missing,·the |
| 597 | extracted·value·is·set·to·the·atom·<code·class="inline">undefined</code>.</p><p>Option·<code·class="inline">compile_source</code>·only·affects·the·result·if·the·escript·contains·<code·class="inline">source</code> | 597 | extracted·value·is·set·to·the·atom·<code·class="inline">undefined</code>.</p><p>Option·<code·class="inline">compile_source</code>·only·affects·the·result·if·the·escript·contains·<code·class="inline">source</code> |
| 598 | code.·In·this·case·the·Erlang·code·is·automatically·compiled·and | 598 | code.·In·this·case·the·Erlang·code·is·automatically·compiled·and |
| 599 | <code·class="inline">{source,·BeamCode}</code>·is·returned·instead·of·<code·class="inline">{source,·SourceCode}</code>.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">create</span><span·class="p"·data-group-id=" | 599 | <code·class="inline">{source,·BeamCode}</code>·is·returned·instead·of·<code·class="inline">{source,·SourceCode}</code>.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">create</span><span·class="p"·data-group-id="4115875307-1">(</span><span·class="s">"demo.escript"</span><span·class="p">,</span><span·class="w"> |
| 600 | ·················</span><span·class="p"·data-group-id=" | 600 | ·················</span><span·class="p"·data-group-id="4115875307-2">[</span><span·class="ss">shebang</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4115875307-3">{</span><span·class="ss">archive</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·248,·SHA:·b8cf214d2e89c02ac71fb0424f08be96a43ca7e16165b8d27fbe9bb8e87e6456·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 601 | ······································</span><span·class="p"·data-group-id=" | 601 | ······································</span><span·class="p"·data-group-id="4115875307-6">{</span><span·class="s">"demo.beam"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">BeamCode</span><span·class="p"·data-group-id="4115875307-6">}</span><span·class="p"·data-group-id="4115875307-4">]</span><span[·...·truncated·by·diffoscope;·len:·296,·SHA:·402f501024968e89a876fc14018cb908a68b760c3b9b5e0a9ca24b78b91f8d31·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 602 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 602 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 603 | >·</span><span·class="p"·data-group-id=" | 603 | >·</span><span·class="p"·data-group-id="4115875307-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4115875307-9">[</span><span·class="p"·data-group-id="4115875307-10">{</span><span·class="ss">shebang</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·563,·SHA:·8729b065fa3df5d56fd01b1c04b58f6ff18f8cab8abd3f8779c42356937ed7b5·...·]-12">}</span><span·class="p">,</span><span·class="w"> |
| 604 | ·····</span><span·class="p"·data-group-id=" | 604 | ·····</span><span·class="p"·data-group-id="4115875307-13">{</span><span·class="ss">archive</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ArchiveBin</span><span·class="p"·data-group-id="4115875307-13">}</span><span·class="p"·data-group-id="4115875307-9">]</span><span·class="p[·...·truncated·by·diffoscope;·len:·27,·SHA:·a1b4335fca970026db0e348ad860b7a36860cd1ba4f8d2398c86fd438d8be832·...·]-8">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 605 | ··············</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">extract</span><span·class="p"·data-group-id=" | 605 | ··············</span><span·class="nc">escript</span><span·class="p">:</span><span·class="nf">extract</span><span·class="p"·data-group-id="4115875307-14">(</span><span·class="s">"demo.escript"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4115875307-15">[</span><span·class="p"·data-group-id="4115875307-15">]</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·11,·SHA:·a16568cc8bd90043fe407f8025173c0240102febb57469331119bb6816217b68·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 606 | </span><span·class="p"·data-group-id=" | 606 | </span><span·class="p"·data-group-id="4115875307-16">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="4115875307-17">[</span><span·class="p"·data-group-id="4115875307-18">{</span><span·class="p"·data-group-id="4115875307-19">{</span><span·class="ss">arch[·...·truncated·by·diffoscope;·len:·75,·SHA:·785aa48e7d93f19731d112a27b6cadba8d5647394de4adefa4949dfb48dd4e55·...·]-20"><<</span><span·class="mi">80</span><span·class="p">,</span><span·class="mi">75</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">20</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">8</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">118</span><span·class="p">,</span><span·class="mi">7</span><span·class="p">,</span><span·class="mi">98</span><span·class="p">,</span><span·class="mi">60</span><span·class="p">,</span><span·class="mi">105</span><span·class="p">,</span><span·class="w"> |
| 607 | ················</span><span·class="mi">152</span><span·class="p">,</span><span·class="mi">61</span><span·class="p">,</span><span·class="mi">93</span><span·class="p">,</span><span·class="mi">107</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">118</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 607 | ················</span><span·class="mi">152</span><span·class="p">,</span><span·class="mi">61</span><span·class="p">,</span><span·class="mi">93</span><span·class="p">,</span><span·class="mi">107</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">118</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="4115875307-20">>></span><span·class="p"·data-group-id="4115875307-19">}</span><span·class="w"> |
| 608 | ·····</span><span·class="p"·data-group-id=" | 608 | ·····</span><span·class="p"·data-group-id="4115875307-21">{</span><span·class="ss">emu_args</span><span·class="p">,</span><span·class="ss">undefined</span><span·class="p"·data-group-id="4115875307-21">}</span><span·class="p">]</span><span·class="p"·data-group-id="4115875307-18">}</span></code></pre> |
| 609 | ··</section> | 609 | ··</section> |
| 610 | </section> | 610 | </section> |
| 611 | <section·class="detail"·id="script_name/0"> | 611 | <section·class="detail"·id="script_name/0"> |
| 612 | ··<div·class="detail-header"> | 612 | ··<div·class="detail-header"> |
| 613 | ····<a·href="#script_name/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 613 | ····<a·href="#script_name/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 614 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 614 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 658, 15 lines modified | Offset 658, 15 lines modified | ||
| 658 | ······<p·class="built-using"> | 658 | ······<p·class="built-using"> |
| 659 | ········Built·using | 659 | ········Built·using |
| 660 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 660 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 661 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 661 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 662 | ······</p> | 662 | ······</p> |
| 663 | <p>Copyright·©·1996-202 | 663 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 664 | ····</footer> | 664 | ····</footer> |
| 665 | ··</div> | 665 | ··</div> |
| 666 | </main> | 666 | </main> |
| 667 | </div> | 667 | </div> |
| 668 | <script> | 668 | <script> |
| 669 | ··function·mermaidLoaded()·{ | 669 | ··function·mermaidLoaded()·{ |
| 670 | ····mermaid.initialize({ | 670 | ····mermaid.initialize({ |
| Offset 216, 35 lines modified | Offset 216, 35 lines modified | ||
| 216 | disallow·concurrent·updates·during·the·entire·traversal.</p><p>Moreover,·traversals·not·done·in·a·<em>safe</em>·way,·on·tables·where·keys·are·inserted | 216 | disallow·concurrent·updates·during·the·entire·traversal.</p><p>Moreover,·traversals·not·done·in·a·<em>safe</em>·way,·on·tables·where·keys·are·inserted |
| 217 | or·deleted·during·the·traversal,·may·yield·the·following·undesired·effects:</p><ul><li>Any·key·may·be·missed.</li><li>Any·key·may·be·found·more·than·once.</li><li>The·traversal·may·fail·with·<code·class="inline">badarg</code>·exception·if·keys·are·deleted.</li></ul><p>A·table·traversal·is·<em>safe</em>·if·either</p><ul><li>the·table·is·of·type·<code·class="inline">ordered_set</code>.</li><li>the·entire·table·traversal·is·done·within·one·ETS·function·call.</li><li>function·<a·href="#safe_fixtable/2"><code·class="inline">safe_fixtable/2</code></a>·is·used·to·keep·the·table·fixated·during·the·entire | 217 | or·deleted·during·the·traversal,·may·yield·the·following·undesired·effects:</p><ul><li>Any·key·may·be·missed.</li><li>Any·key·may·be·found·more·than·once.</li><li>The·traversal·may·fail·with·<code·class="inline">badarg</code>·exception·if·keys·are·deleted.</li></ul><p>A·table·traversal·is·<em>safe</em>·if·either</p><ul><li>the·table·is·of·type·<code·class="inline">ordered_set</code>.</li><li>the·entire·table·traversal·is·done·within·one·ETS·function·call.</li><li>function·<a·href="#safe_fixtable/2"><code·class="inline">safe_fixtable/2</code></a>·is·used·to·keep·the·table·fixated·during·the·entire |
| 218 | traversal.</li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Even·though·the·access·of·a·single·object·is·always·guaranteed·to·be | 218 | traversal.</li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Even·though·the·access·of·a·single·object·is·always·guaranteed·to·be |
| 219 | <a·href="ets.html#module-concurrency">atomic·and·isolated</a>,·each·traversal·through·a·table·to | 219 | <a·href="ets.html#module-concurrency">atomic·and·isolated</a>,·each·traversal·through·a·table·to |
| 220 | find·the·next·key·is·not·done·with·such·guarantees.·This·is·often·not·a | 220 | find·the·next·key·is·not·done·with·such·guarantees.·This·is·often·not·a |
| 221 | problem,·but·may·cause·rare·subtle·"unexpected"·effects·if·a·concurrent | 221 | problem,·but·may·cause·rare·subtle·"unexpected"·effects·if·a·concurrent |
| 222 | process·inserts·objects·during·a·traversal.·For·example,·consider·one·process | 222 | process·inserts·objects·during·a·traversal.·For·example,·consider·one·process |
| 223 | doing</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="94 | 223 | doing</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="9454961626-1">(</span><span·class="ss">t</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9454961626-2">[</span><span·class="ss">ordered_set</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">named_tabl[·...·truncated·by·diffoscope;·len:·102,·SHA:·2a535a42e1bb963a9ea73b17cb5ae86b4fd1371a99c7b15fd366ce080e2b4eb3·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 224 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="94 | 224 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="9454961626-3">(</span><span·class="ss">t</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9454961626-4">{</span><span·class="mi">1</span><span·class="p"·data-group-id="9454961626-4">}</span><span·class="p"·data-group-id="9[·...·truncated·by·diffoscope;·len:·9,·SHA:·5f5cb8101836108aadd36252253be76e46c2fe9cb00edaad8aa320abba63f084·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 225 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="94 | 225 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="9454961626-5">(</span><span·class="ss">t</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9454961626-6">{</span><span·class="mi">2</span><span·class="p"·data-group-id="9454961626-6">}</span><span·class="p"·data-group-id="9[·...·truncated·by·diffoscope;·len:·9,·SHA:·5f5cb8101836108aadd36252253be76e46c2fe9cb00edaad8aa320abba63f084·...·]-5">)</span><span·class="p">,</span><span·class="w"> |
| 226 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="94 | 226 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">insert</span><span·class="p"·data-group-id="9454961626-7">(</span><span·class="ss">t</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9454961626-8">{</span><span·class="mi">3</span><span·class="p"·data-group-id="9454961626-8">}</span><span·class="p"·data-group-id="9[·...·truncated·by·diffoscope;·len:·9,·SHA:·5f5cb8101836108aadd36252253be76e46c2fe9cb00edaad8aa320abba63f084·...·]-7">)</span><span·class="p">,</span></code></pre><p>A·concurrent·call·to·<code·class="inline">ets:first(t)</code>,·done·by·another·process,·may·then·in·rare |
| 227 | cases·return·<code·class="inline">2</code>·even·though·<code·class="inline">2</code>·has·never·existed·in·the·table·ordered·as·the | 227 | cases·return·<code·class="inline">2</code>·even·though·<code·class="inline">2</code>·has·never·existed·in·the·table·ordered·as·the |
| 228 | first·key.·In·the·same·way,·a·concurrent·call·to·<code·class="inline">ets:next(t,·1)</code>·may·return | 228 | first·key.·In·the·same·way,·a·concurrent·call·to·<code·class="inline">ets:next(t,·1)</code>·may·return |
| 229 | <code·class="inline">3</code>·even·though·<code·class="inline">3</code>·never·existed·in·the·table·ordered·directly·after·<code·class="inline">1</code>.</p><p>Effects·like·this·are·improbable·but·possible.·The·probability·will·further·be | 229 | <code·class="inline">3</code>·even·though·<code·class="inline">3</code>·never·existed·in·the·table·ordered·directly·after·<code·class="inline">1</code>.</p><p>Effects·like·this·are·improbable·but·possible.·The·probability·will·further·be |
| 230 | reduced·(if·not·vanish)·if·table·option | 230 | reduced·(if·not·vanish)·if·table·option |
| 231 | <a·href="ets.html#new_2_write_concurrency"><code·class="inline">write_concurrency</code></a>·is·not·enabled.·This | 231 | <a·href="ets.html#new_2_write_concurrency"><code·class="inline">write_concurrency</code></a>·is·not·enabled.·This |
| 232 | can·also·only·be·a·potential·concern·for·<code·class="inline">ordered_set</code>·where·the·traversal | 232 | can·also·only·be·a·potential·concern·for·<code·class="inline">ordered_set</code>·where·the·traversal |
| 233 | order·is·defined.</p></section><p>Traversals·using·<code·class="inline">match</code>·and·<code·class="inline">select</code>·functions·may·not·need·to·scan·the·entire | 233 | order·is·defined.</p></section><p>Traversals·using·<code·class="inline">match</code>·and·<code·class="inline">select</code>·functions·may·not·need·to·scan·the·entire |
| 234 | table·depending·on·how·the·key·is·specified.·A·match·pattern·with·a·<em>fully·bound | 234 | table·depending·on·how·the·key·is·specified.·A·match·pattern·with·a·<em>fully·bound |
| 235 | key</em>·(without·any·match·variables)·will·optimize·the·operation·to·a·single·key | 235 | key</em>·(without·any·match·variables)·will·optimize·the·operation·to·a·single·key |
| 236 | lookup·without·any·table·traversal·at·all.·For·<code·class="inline">ordered_set</code>·a·<em>partially·bound | 236 | lookup·without·any·table·traversal·at·all.·For·<code·class="inline">ordered_set</code>·a·<em>partially·bound |
| 237 | key</em>·will·limit·the·traversal·to·only·scan·a·subset·of·the·table·based·on·term | 237 | key</em>·will·limit·the·traversal·to·only·scan·a·subset·of·the·table·based·on·term |
| 238 | order.·A·partially·bound·key·is·either·a·list·or·a·tuple·with·a·prefix·that·is | 238 | order.·A·partially·bound·key·is·either·a·list·or·a·tuple·with·a·prefix·that·is |
| 239 | fully·bound.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">T</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 239 | fully·bound.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">T</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="8625024730-1">(</span><span·class="ss">t</span><span·class="p">,</span><span·class="p"·data-group-id="8625024730-2">[</span><span·class="ss">ordered_set</span><span·class="p"·data-group-id="8625024730-2">]</span><span·class="p"·data-group-id="8625024730-1"[·...·truncated·by·diffoscope;·len:·545,·SHA:·0a81125f58d91de10649903e05d4647327e8df509208ab2be9bf8a0bea6a2068·...·]0-3">)</span><span·class="p">.</span><span·class="w"> |
| 240 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 240 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 241 | 2>·</span><span·class="c1">%%·Efficient·search·of·all·with·area·code·555</span><span·class="gp·unselectable"> | 241 | 2>·</span><span·class="c1">%%·Efficient·search·of·all·with·area·code·555</span><span·class="gp·unselectable"> |
| 242 | 2>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id=" | 242 | 2>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id="8625024730-5">(</span><span·class="n">T</span><span·class="p">,</span><span·class="p"·data-group-id="8625024730-6">{</span><span·class="p"·data-group-id="8625024730-7">[</span><span·class="sc">$5</span><span·class="p">,</span><span·class="sc">$5</span><spa[·...·truncated·by·diffoscope;·len:·386,·SHA:·b6b7d5fd979fc26bf490c21040a28d0c214354d1521dbaaa4f04c505f00dc1d3·...·]0-5">)</span><span·class="p">.</span><span·class="w"> |
| 243 | </span><span·class="p"·data-group-id=" | 243 | </span><span·class="p"·data-group-id="8625024730-8">[</span><span·class="p"·data-group-id="8625024730-9">[</span><span·class="s">"1234"</span><span·class="p">,</span><span·class="s">"John·Smith"</span><span·class="p"·data-group-id="8625024730-9">]</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·20,·SHA:·99be299235b29c224cadf56dc181e9f4a175dab9b4e3427fa352e18834b1dc10·...·]0-8">]</span></code></pre><p><a·href=""·id="match_spec"></a></p><h2·id="module-match-specifications"·class="section-heading"> |
| 244 | ··<a·href="#module-match-specifications"·class="hover-link"> | 244 | ··<a·href="#module-match-specifications"·class="hover-link"> |
| 245 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 245 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 246 | ··</a> | 246 | ··</a> |
| 247 | ··<span·class="text">Match·Specifications</span> | 247 | ··<span·class="text">Match·Specifications</span> |
| 248 | </h2> | 248 | </h2> |
| 249 | <p>Some·of·the·functions·use·a·<em>match·specification</em>,·<code·class="inline">match_spec</code>.·For·a·brief | 249 | <p>Some·of·the·functions·use·a·<em>match·specification</em>,·<code·class="inline">match_spec</code>.·For·a·brief |
| 250 | explanation,·see·<a·href="#select/2"><code·class="inline">select/2</code></a>.·For·a·detailed·description,·see·section | 250 | explanation,·see·<a·href="#select/2"><code·class="inline">select/2</code></a>.·For·a·detailed·description,·see·section |
| Offset 1886, 27 lines modified | Offset 1886, 27 lines modified | ||
| 1886 | function.</p><p>The·parse·transform·is·provided·in·the·<code·class="inline">ms_transform</code>·module·and·the·source | 1886 | function.</p><p>The·parse·transform·is·provided·in·the·<code·class="inline">ms_transform</code>·module·and·the·source |
| 1887 | <em>must</em>·include·file·<code·class="inline">ms_transform.hrl</code>·in·STDLIB·for·this·pseudo·function·to | 1887 | <em>must</em>·include·file·<code·class="inline">ms_transform.hrl</code>·in·STDLIB·for·this·pseudo·function·to |
| 1888 | work.·Failing·to·include·the·hrl·file·in·the·source·results·in·a·runtime·error, | 1888 | work.·Failing·to·include·the·hrl·file·in·the·source·results·in·a·runtime·error, |
| 1889 | not·a·compile·time·error.·The·include·file·is·easiest·included·by·adding·line | 1889 | not·a·compile·time·error.·The·include·file·is·easiest·included·by·adding·line |
| 1890 | <code·class="inline">-include_lib("stdlib/include/ms_transform.hrl").</code>·to·the·source·file.</p><p>The·fun·is·very·restricted,·it·can·take·only·a·single·parameter·(the·object·to | 1890 | <code·class="inline">-include_lib("stdlib/include/ms_transform.hrl").</code>·to·the·source·file.</p><p>The·fun·is·very·restricted,·it·can·take·only·a·single·parameter·(the·object·to |
| 1891 | match):·a·sole·variable·or·a·tuple.·It·must·use·the·<code·class="inline">is_</code>·guard·tests.·Language | 1891 | match):·a·sole·variable·or·a·tuple.·It·must·use·the·<code·class="inline">is_</code>·guard·tests.·Language |
| 1892 | constructs·that·have·no·representation·in·a·match·specification·(<code·class="inline">if</code>,·<code·class="inline">case</code>, | 1892 | constructs·that·have·no·representation·in·a·match·specification·(<code·class="inline">if</code>,·<code·class="inline">case</code>, |
| 1893 | <code·class="inline">receive</code>,·and·so·on)·are·not·allowed.</p><p>The·return·value·is·the·resulting·match·specification.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id=" | 1893 | <code·class="inline">receive</code>,·and·so·on)·are·not·allowed.</p><p>The·return·value·is·the·resulting·match·specification.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="6661436659-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="6661436659-2">(</span><span·class="p"·data-group-id="6661436659-3">{</span><span·class="n">M</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·466,·SHA:·ba569c50db205bf1fb15a9bd8b2330109c1af7e0b587f4f55bc18b20a1846b25·...·]9-1">)</span><span·class="p">.</span><span·class="w"> |
| 1894 | </span><span·class="p"·data-group-id=" | 1894 | </span><span·class="p"·data-group-id="6661436659-4">[</span><span·class="p"·data-group-id="6661436659-5">{</span><span·class="p"·data-group-id="6661436659-6">{</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="ss">'$2'</span><span·class="p"·data-group-id="6[·...·truncated·by·diffoscope;·len:·663,·SHA:·a8232b3c7ace03d803468b43d6bf437e75abefc10923f90b4e5a494db5d05c02·...·]9-4">]</span></code></pre><p>Variables·from·the·environment·can·be·imported,·so·that·the·following·works:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="n">X</span><span·class="o">=</span><span·class="mi">3</span><span·class="p">.</span><span·class="w"> |
| 1895 | </span><span·class="mi">3</span><span·class="gp·unselectable"> | 1895 | </span><span·class="mi">3</span><span·class="gp·unselectable"> |
| 1896 | 3>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="5 | 1896 | 3>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="5782866378-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="5782866378-2">(</span><span·class="p"·data-group-id="5782866378-3">{</span><span·class="n">M</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·465,·SHA:·d5c78b21150c491586c352b648670f1c6b3303cf7bcfb89f41fe3402f54ae990·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1897 | </span><span·class="p"·data-group-id="5 | 1897 | </span><span·class="p"·data-group-id="5782866378-4">[</span><span·class="p"·data-group-id="5782866378-5">{</span><span·class="p"·data-group-id="5782866378-6">{</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="ss">'$2'</span><span·class="p"·data-group-id="57[·...·truncated·by·diffoscope;·len:·824,·SHA:·229063b166582889e410a4f5950becc6f99521144a959ad690e0a7f7cdd61616·...·]-4">]</span></code></pre><p>The·imported·variables·are·replaced·by·match·specification·<code·class="inline">const</code>·expressions, |
| 1898 | which·is·consistent·with·the·static·scoping·for·Erlang·funs.·However,·local·or | 1898 | which·is·consistent·with·the·static·scoping·for·Erlang·funs.·However,·local·or |
| 1899 | global·function·calls·cannot·be·in·the·guard·or·body·of·the·fun.·Calls·to | 1899 | global·function·calls·cannot·be·in·the·guard·or·body·of·the·fun.·Calls·to |
| 1900 | built-in·match·specification·functions·is·of·course·allowed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id=" | 1900 | built-in·match·specification·functions·is·of·course·allowed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="5770818691-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="5770818691-2">(</span><span·class="p"·data-group-id="5770818691-3">{</span><span·class="n">M</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·674,·SHA:·eddd4182d2a06028241ea5102c4023198a34c11a07af4792342781406a5fabc6·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1901 | </span><span·class="n">Error</span><span·class="p">:</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">containing</span><span·class="w">·</span><span·class="ss">local</span><span·class="w">·</span><span·class="n">Erlang</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="nf">calls</span><span·class="w"> | 1901 | </span><span·class="n">Error</span><span·class="p">:</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">containing</span><span·class="w">·</span><span·class="ss">local</span><span·class="w">·</span><span·class="n">Erlang</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="nf">calls</span><span·class="w"> |
| 1902 | </span><span·class="p"·data-group-id=" | 1902 | </span><span·class="p"·data-group-id="5770818691-5">(</span><span·class="ss">'my_fun'</span><span·class="w">·</span><span·class="ss">called</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">guard</span><span·class="p"·data-group-id="577081[·...·truncated·by·diffoscope;·len:·4,·SHA:·596163c10158adbd2c141c33cec581514619d2427faf8052f1f5c0318b1520ef·...·]-5">)</span><span·class="w">·</span><span·class="ss">cannot</span><span·class="w">·</span><span·class="ss">be</span><span·class="w">·</span><span·class="ss">translated</span><span·class="w">·</span><span·class="ss">into</span><span·class="w">·</span><span·class="ss">match_spec</span><span·class="w"> |
| 1903 | </span><span·class="p"·data-group-id=" | 1903 | </span><span·class="p"·data-group-id="5770818691-6">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="ss">transform_error</span><span·class="p"·data-group-id="5770818691-6">}</span><span·class="gp·unselectable"> |
| 1904 | 5>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id=" | 1904 | 5>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="5770818691-7">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="5770818691-8">(</span><span·class="p"·data-group-id="5770818691-9">{</span><span·class="n">M</span><span·class="p">,</span><span·class="n">N</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·677,·SHA:·c99ac5069a99113939742a4f0a4f6158c230f6961fde461358d5315b5e2e1a68·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 1905 | </span><span·class="p"·data-group-id=" | 1905 | </span><span·class="p"·data-group-id="5770818691-11">[</span><span·class="p"·data-group-id="5770818691-12">{</span><span·class="p"·data-group-id="5770818691-13">{</span><span·class="ss">'$1'</span><span·class="p">,</span><span·class="ss">'$2'</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·1059,·SHA:·4b772e881861a38c5793467fa84563f5e75d00f6075f281b0eee2c265691b258·...·]-11">]</span></code></pre><p>As·shown·by·the·example,·the·function·can·be·called·from·the·shell·also.·The·fun |
| 1906 | must·be·literally·in·the·call·when·used·from·the·shell·as·well.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>If·the·<code·class="inline">parse_transform</code>·is·not·applied·to·a·module·that·calls·this·pseudo | 1906 | must·be·literally·in·the·call·when·used·from·the·shell·as·well.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>If·the·<code·class="inline">parse_transform</code>·is·not·applied·to·a·module·that·calls·this·pseudo |
| 1907 | function,·the·call·fails·in·runtime·(with·a·<code·class="inline">badarg</code>).·The·<code·class="inline">ets</code>·module | 1907 | function,·the·call·fails·in·runtime·(with·a·<code·class="inline">badarg</code>).·The·<code·class="inline">ets</code>·module |
| 1908 | exports·a·function·with·this·name,·but·it·is·never·to·be·called·except·when | 1908 | exports·a·function·with·this·name,·but·it·is·never·to·be·called·except·when |
| 1909 | using·the·function·in·the·shell.·If·the·<code·class="inline">parse_transform</code>·is·properly·applied | 1909 | using·the·function·in·the·shell.·If·the·<code·class="inline">parse_transform</code>·is·properly·applied |
| 1910 | by·including·header·file·<code·class="inline">ms_transform.hrl</code>,·compiled·code·never·calls·the | 1910 | by·including·header·file·<code·class="inline">ms_transform.hrl</code>,·compiled·code·never·calls·the |
| 1911 | function,·but·the·function·call·is·replaced·by·a·literal·match·specification.</p></section><p>For·more·information,·see·<a·href="ms_transform.html"><code·class="inline">ms_transform</code></a>.</p> | 1911 | function,·but·the·function·call·is·replaced·by·a·literal·match·specification.</p></section><p>For·more·information,·see·<a·href="ms_transform.html"><code·class="inline">ms_transform</code></a>.</p> |
| 1912 | ··</section> | 1912 | ··</section> |
| Offset 2491, 20 lines modified | Offset 2491, 20 lines modified | ||
| 2491 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·match(Table,·Pattern)·->·[Match] | 2491 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·match(Table,·Pattern)·->·[Match] |
| 2492 | ···············when·Table·::·<a·href="#t:table/0">table</a>(),·Pattern·::·<a·href="#t:match_pattern/0">match_pattern</a>(),·Match·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()].</pre> | 2492 | ···············when·Table·::·<a·href="#t:table/0">table</a>(),·Pattern·::·<a·href="#t:match_pattern/0">match_pattern</a>(),·Match·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()].</pre> |
| 2493 | ······</div> | 2493 | ······</div> |
| 2494 | <p>Matches·the·objects·in·table·<code·class="inline">Table</code>·against·pattern·<code·class="inline">Pattern</code>.</p><p>A·pattern·is·a·term·that·can·contain:</p><ul><li>Bound·parts·(Erlang·terms)</li><li><code·class="inline">'_'</code>·that·matches·any·Erlang·term</li><li>Pattern·variables·<code·class="inline">'$N'</code>,·where·<code·class="inline">N</code>=0,1,...</li></ul><p>The·function·returns·a·list·with·one·element·for·each·matching·object,·where | 2494 | <p>Matches·the·objects·in·table·<code·class="inline">Table</code>·against·pattern·<code·class="inline">Pattern</code>.</p><p>A·pattern·is·a·term·that·can·contain:</p><ul><li>Bound·parts·(Erlang·terms)</li><li><code·class="inline">'_'</code>·that·matches·any·Erlang·term</li><li>Pattern·variables·<code·class="inline">'$N'</code>,·where·<code·class="inline">N</code>=0,1,...</li></ul><p>The·function·returns·a·list·with·one·element·for·each·matching·object,·where |
| 2495 | each·element·is·an·ordered·list·of·pattern·variable·bindings,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id=" | 2495 | each·element·is·an·ordered·list·of·pattern·variable·bindings,·for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id="2458210342-1">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="2458210342-1">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·Matches·every·object·in·table</span><span·class="w"> |
| 2496 | </span><span·class="p"·data-group-id=" | 2496 | </span><span·class="p"·data-group-id="2458210342-2">[</span><span·class="p"·data-group-id="2458210342-3">[</span><span·class="p"·data-group-id="2458210342-4">{</span><span·class="ss">rufsen</span><span·class="p">,</span><span·class="ss">dog</span><span·class="p">,</span><span·class="mi">7</spa[·...·truncated·by·diffoscope;·len:·882,·SHA:·9e7fdf3fcd5573d1a0aeec2a3304a83fc639cb8d97554a5b4f8cc8d213613e76·...·]-2">]</span><span·class="gp·unselectable"> |
| 2497 | 7>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id=" | 2497 | 7>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id="2458210342-9">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2458210342-10">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="ss">dog</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·133,·SHA:·73e49d79cf7d29ee729c6eb93e4cfb62bd9635599a32932478d4b1316319729a·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 2498 | </span><span·class="p"·data-group-id=" | 2498 | </span><span·class="p"·data-group-id="2458210342-11">[</span><span·class="p"·data-group-id="2458210342-12">[</span><span·class="mi">7</span><span·class="p"·data-group-id="2458210342-12">]</span><span·class="p">,</span><span·class="p"·data-group-id="2458210342-13">[</span><span·class="mi">5</sp[·...·truncated·by·diffoscope;·len:·98,·SHA:·7753049a5c43c39a3d0f3644ed1770f48f270459d0a4c98ba34ed3097d2fbad9·...·]-11">]</span><span·class="gp·unselectable"> |
| 2499 | 8>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id=" | 2499 | 8>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id="2458210342-14">(</span><span·class="n">T</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2458210342-15">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="ss">cow</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·134,·SHA:·974c24bd2f68b1d2128254d728abc386f3e42d94994529f1b0a93b9b968aa1df·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 2500 | </span><span·class="p"·data-group-id=" | 2500 | </span><span·class="p"·data-group-id="2458210342-16">[</span><span·class="p"·data-group-id="2458210342-16">]</span></code></pre><p>If·the·key·is·specified·in·the·pattern,·the·match·is·very·efficient.·If·the·key |
| 2501 | is·not·specified,·that·is,·if·it·is·a·variable·or·an·underscore,·the·entire | 2501 | is·not·specified,·that·is,·if·it·is·a·variable·or·an·underscore,·the·entire |
| 2502 | table·must·be·searched.·The·search·time·can·be·substantial·if·the·table·is·very | 2502 | table·must·be·searched.·The·search·time·can·be·substantial·if·the·table·is·very |
| 2503 | large.</p><p>For·tables·of·type·<code·class="inline">ordered_set</code>,·the·result·is·in·the·same·order·as·in·a | 2503 | large.</p><p>For·tables·of·type·<code·class="inline">ordered_set</code>,·the·result·is·in·the·same·order·as·in·a |
| 2504 | <code·class="inline">first</code>/<code·class="inline">next</code>·traversal.</p> | 2504 | <code·class="inline">first</code>/<code·class="inline">next</code>·traversal.</p> |
| 2505 | ··</section> | 2505 | ··</section> |
| 2506 | </section> | 2506 | </section> |
| 2507 | <section·class="detail"·id="match/3"> | 2507 | <section·class="detail"·id="match/3"> |
| Offset 2734, 18 lines modified | Offset 2734, 18 lines modified | ||
| 2734 | use.</p><p>The·matching·is·executed·on·each·element·in·<code·class="inline">List</code>·and·the·function·returns·a | 2734 | use.</p><p>The·matching·is·executed·on·each·element·in·<code·class="inline">List</code>·and·the·function·returns·a |
| 2735 | list·containing·all·results.·If·an·element·in·<code·class="inline">List</code>·does·not·match,·nothing·is | 2735 | list·containing·all·results.·If·an·element·in·<code·class="inline">List</code>·does·not·match,·nothing·is |
| 2736 | returned·for·that·element.·The·length·of·the·result·list·is·therefore·equal·or | 2736 | returned·for·that·element.·The·length·of·the·result·list·is·therefore·equal·or |
| 2737 | less·than·the·length·of·parameter·<code·class="inline">List</code>.</p><p><em>Example:</em></p><p>The·following·two·calls·give·the·same·result·(but·certainly·not·the·same | 2737 | less·than·the·length·of·parameter·<code·class="inline">List</code>.</p><p><em>Example:</em></p><p>The·following·two·calls·give·the·same·result·(but·certainly·not·the·same |
| 2738 | execution·time):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Table</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="ss">new</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 2738 | execution·time):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Table</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="ss">new</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 2739 | </span><span·class="n">MatchSpec</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 2739 | </span><span·class="n">MatchSpec</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 2740 | </span><span·class="c1">%·The·following·call...</span><span·class="w"> | 2740 | </span><span·class="c1">%·The·following·call...</span><span·class="w"> |
| 2741 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_spec_run</span><span·class="p"·data-group-id=" | 2741 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_spec_run</span><span·class="p"·data-group-id="2237013437-1">(</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">tab2list</span><span·class="p"·data-group-id="2237013437-2">(</span><span·class="n">Table</span><span·class="p"·data-group-id="2237013437-2">)</span><span·class="p">,</span><span·class="w"> |
| 2742 | ···················</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_spec_compile</span><span·class="p"·data-group-id=" | 2742 | ···················</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match_spec_compile</span><span·class="p"·data-group-id="2237013437-3">(</span><span·class="n">MatchSpec</span><span·class="p"·data-group-id="2237013437-3">)</span><span·class="p"·data-group-id="2237013437-1">)</span><span·class="p">,</span><span·class="w"> |
| 2743 | </span><span·class="c1">%·...gives·the·same·result·as·the·more·common·(and·more·efficient)</span><span·class="w"> | 2743 | </span><span·class="c1">%·...gives·the·same·result·as·the·more·common·(and·more·efficient)</span><span·class="w"> |
| 2744 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 2744 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="2237013437-4">(</span><span·class="n">Table</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MatchSpec</span><span·class="p"·data-group-id="2237013437-4">)</span><span·class="p">,</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·function·has·limited·use·in·normal·code.·It·is·used·by·the·<a·href="dets.html"><code·class="inline">dets</code></a> |
| 2745 | module·to·perform·the·<a·href="dets.html#select/1"><code·class="inline">dets:select/1</code></a>·operations·and·by·Mnesia·during | 2745 | module·to·perform·the·<a·href="dets.html#select/1"><code·class="inline">dets:select/1</code></a>·operations·and·by·Mnesia·during |
| 2746 | transactions.</p></section> | 2746 | transactions.</p></section> |
| 2747 | ··</section> | 2747 | ··</section> |
| 2748 | </section> | 2748 | </section> |
| 2749 | <section·class="detail"·id="member/2"> | 2749 | <section·class="detail"·id="member/2"> |
| 2750 | ··<div·class="detail-header"> | 2750 | ··<div·class="detail-header"> |
| Offset 3084, 27 lines modified | Offset 3084, 27 lines modified | ||
| 3084 | <p>Restores·an·opaque·continuation·returned·by·<a·href="#select/3"><code·class="inline">select/3</code></a>·or·<a·href="#select/1"><code·class="inline">select/1</code></a>·if·the | 3084 | <p>Restores·an·opaque·continuation·returned·by·<a·href="#select/3"><code·class="inline">select/3</code></a>·or·<a·href="#select/1"><code·class="inline">select/1</code></a>·if·the |
| 3085 | continuation·has·passed·through·external·term·format·(been·sent·between·nodes·or | 3085 | continuation·has·passed·through·external·term·format·(been·sent·between·nodes·or |
| 3086 | stored·on·disk).</p><p>The·reason·for·this·function·is·that·continuation·terms·contain·compiled·match | 3086 | stored·on·disk).</p><p>The·reason·for·this·function·is·that·continuation·terms·contain·compiled·match |
| 3087 | specifications·and·may·therefore·be·invalidated·if·converted·to·external·term | 3087 | specifications·and·may·therefore·be·invalidated·if·converted·to·external·term |
| 3088 | format.·Given·that·the·original·match·specification·is·kept·intact,·the | 3088 | format.·Given·that·the·original·match·specification·is·kept·intact,·the |
| 3089 | continuation·can·be·restored,·meaning·it·can·once·again·be·used·in·subsequent | 3089 | continuation·can·be·restored,·meaning·it·can·once·again·be·used·in·subsequent |
| 3090 | <a·href="#select/1"><code·class="inline">select/1</code></a>·calls·even·though·it·has·been·stored·on·disk·or·on | 3090 | <a·href="#select/1"><code·class="inline">select/1</code></a>·calls·even·though·it·has·been·stored·on·disk·or·on |
| 3091 | another·node.</p><p><em>Examples:</em></p><p>The·following·sequence·of·calls·may·fail:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">T</span><span·class="o">=</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 3091 | another·node.</p><p><em>Examples:</em></p><p>The·following·sequence·of·calls·may·fail:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">T</span><span·class="o">=</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="1498688928-1">(</span><span·class="ss">x</span><span·class="p">,</span><span·class="p"·data-group-id="1498688928-2">[</span><span·class="p"·data-group-id="1498688928-2">]</span><span·class="p"·data-group-id="1498688928-1">)</span><span·class="p">,</span><span·class="w"> |
| 3092 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 3092 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 3093 | </span><span·class="n">MS</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id=" | 3093 | </span><span·class="n">MS</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="1498688928-3">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="1498688928-4">(</span><span·class="p"·data-group-id="1498688928-5">{</span><span·class="n">N</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·722,·SHA:·1513133836997a59db6733619e4fb5bc8ea6d6a23d24857fd16c3aa52db540d8·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 3094 | </span><span·class="p"·data-group-id=" | 3094 | </span><span·class="p"·data-group-id="1498688928-7">{</span><span·class="p">_</span><span·class="p">,</span><span·class="n">C</span><span·class="p"·data-group-id="1498688928-7">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·clas[·...·truncated·by·diffoscope;·len:·309,·SHA:·b2b3cf6515aba53f171c981d8fb2fed5e6601bbf474152a751667c179d74c9cc·...·]-8">)</span><span·class="p">,</span><span·class="w"> |
| 3095 | </span><span·class="n">MaybeBroken</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id=" | 3095 | </span><span·class="n">MaybeBroken</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id="1498688928-9">(</span><span·class="nf">term_to_binary</span><span·class="p"·data-group-id="1498688928-10">(</span><span·class="n">C</span><span·class="p"·data-group-id="1498688928-10">)</span><span·class="p"·data-group-id="1498688928-9">)</span><span·class="p">,</span><span·class="w"> |
| 3096 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 3096 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="1498688928-11">(</span><span·class="n">MaybeBroken</span><span·class="p"·data-group-id="1498688928-11">)</span><span·class="p">.</span></code></pre><p>The·following·sequence·works,·as·the·call·to |
| 3097 | <a·href="#repair_continuation/2"><code·class="inline">repair_continuation/2</code></a>·reestablishes·the | 3097 | <a·href="#repair_continuation/2"><code·class="inline">repair_continuation/2</code></a>·reestablishes·the |
| 3098 | <code·class="inline">MaybeBroken</code>·continuation.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">T</span><span·class="o">=</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="6 | 3098 | <code·class="inline">MaybeBroken</code>·continuation.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">T</span><span·class="o">=</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="6398492413-1">(</span><span·class="ss">x</span><span·class="p">,</span><span·class="p"·data-group-id="6398492413-2">[</span><span·class="p"·data-group-id="6398492413-2">]</span><span·class="p"·data-group-id="6398492413-1">)</span><span·class="p">,</span><span·class="w"> |
| 3099 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 3099 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 3100 | </span><span·class="n">MS</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="6 | 3100 | </span><span·class="n">MS</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="6398492413-3">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="6398492413-4">(</span><span·class="p"·data-group-id="6398492413-5">{</span><span·class="n">N</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·720,·SHA:·db9be81f298776ae76495f02f49fd144c32c5d2c79a38a31284c9bb702abc03d·...·]3-3">)</span><span·class="p">,</span><span·class="w"> |
| 3101 | </span><span·class="p"·data-group-id="6 | 3101 | </span><span·class="p"·data-group-id="6398492413-7">{</span><span·class="p">_</span><span·class="p">,</span><span·class="n">C</span><span·class="p"·data-group-id="6398492413-7">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">ets</span><span·class[·...·truncated·by·diffoscope;·len:·259,·SHA:·4c86a011dda1a59e83dcc5aeb4f710a50f7a2b760a7f2dfdf1b7508c380bd3e9·...·]3-8">)</span><span·class="p">,</span><span·class="w"> |
| 3102 | </span><span·class="n">MaybeBroken</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id="6 | 3102 | </span><span·class="n">MaybeBroken</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary_to_term</span><span·class="p"·data-group-id="6398492413-9">(</span><span·class="nf">term_to_binary</span><span·class="p"·data-group-id="6398492413-10">(</span><span·class="n">C</span><span·class="p"·data-group-id="6398492413-10">)</span><span·class="p"·data-group-id="6398492413-9">)</span><span·class="p">,</span><span·class="w"> |
| 3103 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="6 | 3103 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="6398492413-11">(</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">repair_continuation</span><span·class="p"·data-group-id="6398492413-12">(</span><span·class="n">MaybeBroken</span><span·class="p">,</span><span·class="n">MS</span><sp[·...·truncated·by·diffoscope;·len:·91,·SHA:·7c16a1e7395c442d42ebc9fbd5cc33ae2c2fde723b12932fa5bc2f3c4c94056c·...·]3-11">)</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·function·is·rarely·needed·in·application·code.·It·is·used·by·Mnesia·to |
| 3104 | provide·distributed·<a·href="#select/3"><code·class="inline">select/3</code></a>·and·<a·href="#select/1"><code·class="inline">select/1</code></a> | 3104 | provide·distributed·<a·href="#select/3"><code·class="inline">select/3</code></a>·and·<a·href="#select/1"><code·class="inline">select/1</code></a> |
| 3105 | sequences.·A·normal·application·would·either·use·Mnesia·or·keep·the | 3105 | sequences.·A·normal·application·would·either·use·Mnesia·or·keep·the |
| 3106 | continuation·from·being·converted·to·external·format.</p><p>The·actual·behavior·of·compiled·match·specifications·when·recreated·from | 3106 | continuation·from·being·converted·to·external·format.</p><p>The·actual·behavior·of·compiled·match·specifications·when·recreated·from |
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| 191 | function·has·been·applied·to·all·of·the·results·or·an·error·occurs,·the·last | 191 | function·has·been·applied·to·all·of·the·results·or·an·error·occurs,·the·last |
| 192 | function·is·called·with·argument·<code·class="inline">close</code>,·and·the·reply·is·returned·as·value·of | 192 | function·is·called·with·argument·<code·class="inline">close</code>,·and·the·reply·is·returned·as·value·of |
| 193 | the·current·call·to·the·sort·or·merge·function.</p><p>If·a·function·is·specified·as·input·and·the·last·input·function·returns | 193 | the·current·call·to·the·sort·or·merge·function.</p><p>If·a·function·is·specified·as·input·and·the·last·input·function·returns |
| 194 | <code·class="inline">{end_of_input,·Value}</code>,·the·function·specified·as·output·is·called·with | 194 | <code·class="inline">{end_of_input,·Value}</code>,·the·function·specified·as·output·is·called·with |
| 195 | argument·<code·class="inline">{value,·Value}</code>.·This·makes·it·easy·to·initiate·the·sequence·of·output | 195 | argument·<code·class="inline">{value,·Value}</code>.·This·makes·it·easy·to·initiate·the·sequence·of·output |
| 196 | functions·with·a·value·calculated·by·the·input·functions.</p><p>As·an·example,·consider·sorting·the·terms·on·a·disk·log·file.·A·function·that | 196 | functions·with·a·value·calculated·by·the·input·functions.</p><p>As·an·example,·consider·sorting·the·terms·on·a·disk·log·file.·A·function·that |
| 197 | reads·chunks·from·the·disk·log·and·returns·a·list·of·binaries·is·used·as·input. | 197 | reads·chunks·from·the·disk·log·and·returns·a·list·of·binaries·is·used·as·input. |
| 198 | The·results·are·collected·in·a·list·of·terms.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">sort</span><span·class="p"·data-group-id="7968471365-1">(</span><span·class="n">Log</span><span·class="p"·data-group-id="7968471365-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 199 | 198 | The·results·are·collected·in·a·list·of·terms.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">sort</span><span·class="p"·data-group-id="5808706292-1">(</span><span·class="n">Log</span><span·class="p"·data-group-id="5808706292-1">)</span[·...·truncated·by·diffoscope;·len:·46,·SHA:·1097a0bea68d65a431edcb4038943364caa12d307d0cd39d47cedc89a660f4e0·...·]</span><span·class="w"> | |
| 199 | ····</span><span·class="p"·data-group-id="5808706292-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p"·data-group-id="5808706292-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="5808706292-3">(</span><span·class="p"·data-group-id="5808706292-4">[</span><span·class="p"·data-group-id="5808706292-5">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="n">Log</span><span·class="p"·data-group-id="5808706292-5">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5808706292-6">{</span><span·class="ss">mode</span><span·class="p">,</span><span·class="ss">read_only</span><span·class="p"·data-group-id="5808706292-6">}</span><span·class="p"·data-group-id="5808706292-4">]</span><span·class="p"·data-group-id="5808706292-3">)</span><span·class="p">,</span><span·class="w"> | ||
| 200 | ····</span><span·class="n">Input</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">input</span><span·class="p"·data-group-id=" | 200 | ····</span><span·class="n">Input</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">input</span><span·class="p"·data-group-id="5808706292-7">(</span><span·class="n">Log</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">start</span><span·class="p"·data-group-id="5808706292-7">)</span><span·class="p">,</span><span·class="w"> |
| 201 | ····</span><span·class="n">Output</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">output</span><span·class="p"·data-group-id=" | 201 | ····</span><span·class="n">Output</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">output</span><span·class="p"·data-group-id="5808706292-8">(</span><span·class="p"·data-group-id="5808706292-9">[</span><span·class="p"·data-group-id="5808706292-9">]</span><span·class="p"·data-group-id="5808706292-8">)</span><span·class="p">,</span><span·class="w"> |
| 202 | ····</span><span·class="n">Reply</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file_sorter</span><span·class="p">:</span><span·class="nf">sort</span><span·class="p"·data-group-id=" | 202 | ····</span><span·class="n">Reply</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file_sorter</span><span·class="p">:</span><span·class="nf">sort</span><span·class="p"·data-group-id="5808706292-10">(</span><span·class="n">Input</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Output</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5808706292-11">{</span><span·class="ss">format</s[·...·truncated·by·diffoscope;·len:·151,·SHA:·4f217cf8b0781bedc99f2e1b1cfa267da6153858f39661f51c5c565f2a854b2e·...·]-10">)</span><span·class="p">,</span><span·class="w"> |
| 203 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 203 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="5808706292-12">(</span><span·class="n">Log</span><span·class="p"·data-group-id="5808706292-12">)</span><span·class="p">,</span><span·class="w"> |
| 204 | ····</span><span·class="n">Reply</span><span·class="p">.</span><span·class="w"> | 204 | ····</span><span·class="n">Reply</span><span·class="p">.</span><span·class="w"> |
| 205 | </span><span·class="nf">input</span><span·class="p"·data-group-id=" | 205 | </span><span·class="nf">input</span><span·class="p"·data-group-id="5808706292-13">(</span><span·class="n">Log</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cont</span><span·class="p"·data-group-id="5808706292-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 206 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 206 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id="5808706292-14">(</span><span·class="ss">close</span><span·class="p"·data-group-id="5808706292-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 207 | ············</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 207 | ············</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 208 | ·······</span><span·class="p"·data-group-id=" | 208 | ·······</span><span·class="p"·data-group-id="5808706292-15">(</span><span·class="ss">read</span><span·class="p"·data-group-id="5808706292-15">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 209 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">chunk</span><span·class="p"·data-group-id=" | 209 | ············</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">disk_log</span><span·class="p">:</span><span·class="nf">chunk</span><span·class="p"·data-group-id="5808706292-16">(</span><span·class="n">Log</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cont</span><span·class="p"·data-group-id="5808706292-16">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 210 | ················</span><span·class="p"·data-group-id=" | 210 | ················</span><span·class="p"·data-group-id="5808706292-17">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="5808706292-17">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 211 | ····················</span><span·class="p"·data-group-id=" | 211 | ····················</span><span·class="p"·data-group-id="5808706292-18">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="5808706292-18">}</span><span·class="p">;</span><span·class="w"> |
| 212 | ················</span><span·class="p"·data-group-id=" | 212 | ················</span><span·class="p"·data-group-id="5808706292-19">{</span><span·class="n">Cont2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Terms</span><span·class="p"·data-group-id="5808706292-19">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 213 | ····················</span><span·class="p"·data-group-id=" | 213 | ····················</span><span·class="p"·data-group-id="5808706292-20">{</span><span·class="n">Terms</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">input</span><span·class="p"·data-group-id="5808706292-21">(</span><span·class="n">Log</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·123,·SHA:·a3f9ce49f0fdb7eeead946e52fe4f6826cb1360076bb72d2ebb7d81cc90a1d97·...·]-20">}</span><span·class="p">;</span><span·class="w"> |
| 214 | ················</span><span·class="p"·data-group-id=" | 214 | ················</span><span·class="p"·data-group-id="5808706292-22">{</span><span·class="n">Cont2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Terms</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Badbytes</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·527a38880150f4fc16cb04fcae14eb7d46d31ef3a3805a068c91574e4f34a56b·...·]-22">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 215 | ····················</span><span·class="p"·data-group-id=" | 215 | ····················</span><span·class="p"·data-group-id="5808706292-23">{</span><span·class="n">Terms</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">input</span><span·class="p"·data-group-id="5808706292-24">(</span><span·class="n">Log</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·123,·SHA:·c885503ba41deda71d14e19426cf5e4b74448a23c6c8ec728f93ca14ba98e4a5·...·]-23">}</span><span·class="p">;</span><span·class="w"> |
| 216 | ················</span><span·class="ss">eof</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 216 | ················</span><span·class="ss">eof</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 217 | ····················</span><span·class="ss">end_of_input</span><span·class="w"> | 217 | ····················</span><span·class="ss">end_of_input</span><span·class="w"> |
| 218 | ············</span><span·class="k">end</span><span·class="w"> | 218 | ············</span><span·class="k">end</span><span·class="w"> |
| 219 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 219 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 220 | </span><span·class="nf">output</span><span·class="p"·data-group-id=" | 220 | </span><span·class="nf">output</span><span·class="p"·data-group-id="5808706292-25">(</span><span·class="n">L</span><span·class="p"·data-group-id="5808706292-25">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 221 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 221 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id="5808706292-26">(</span><span·class="ss">close</span><span·class="p"·data-group-id="5808706292-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 222 | ············</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 222 | ············</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="5808706292-27">(</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id="5808706292-28">(</span><span·class="n">L</span><span·class="p"·data-group-id="5808706292-28">)</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·24,·SHA:·7412c2a7d6655ebf4de11456339e6831b595c42d0762d7d6f3ae5606121932e3·...·]-27">)</span><span·class="p">;</span><span·class="w"> |
| 223 | ·······</span><span·class="p"·data-group-id=" | 223 | ·······</span><span·class="p"·data-group-id="5808706292-29">(</span><span·class="n">Terms</span><span·class="p"·data-group-id="5808706292-29">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 224 | ············</span><span·class="nf">output</span><span·class="p"·data-group-id=" | 224 | ············</span><span·class="nf">output</span><span·class="p"·data-group-id="5808706292-30">(</span><span·class="p"·data-group-id="5808706292-31">[</span><span·class="n">Terms</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">L</span><span·class="p"·data-group-id="5808706292-31">]</span><[·...·truncated·by·diffoscope;·len:·40,·SHA:·79097cef7847a7446c9f0a4c1bffae1c5c4127dc055f30533009b4109df19cb3·...·]-30">)</span><span·class="w"> |
| 225 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>For·more·examples·of·functions·as·input·and·output,·see·the·end·of·the | 225 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>For·more·examples·of·functions·as·input·and·output,·see·the·end·of·the |
| 226 | <code·class="inline">file_sorter</code>·module;·the·<code·class="inline">term</code>·format·is·implemented·with·functions.</p><p>The·possible·values·of·<code·class="inline">Reason</code>·returned·when·an·error·occurs·are:</p><ul><li><code·class="inline">bad_object</code>,·<code·class="inline">{bad_object,·FileName}</code>·-·Applying·the·format·function·failed | 226 | <code·class="inline">file_sorter</code>·module;·the·<code·class="inline">term</code>·format·is·implemented·with·functions.</p><p>The·possible·values·of·<code·class="inline">Reason</code>·returned·when·an·error·occurs·are:</p><ul><li><code·class="inline">bad_object</code>,·<code·class="inline">{bad_object,·FileName}</code>·-·Applying·the·format·function·failed |
| 227 | for·some·binary,·or·the·key(s)·could·not·be·extracted·from·some·term.</li><li><code·class="inline">{bad_term,·FileName}</code>·-·<a·href="io.html#read/2"><code·class="inline">io:read/2</code></a>·failed·to·read·some·term.</li><li><code·class="inline">{file_error,·FileName,·file:posix()}</code>·-·For·an·explanation·of | 227 | for·some·binary,·or·the·key(s)·could·not·be·extracted·from·some·term.</li><li><code·class="inline">{bad_term,·FileName}</code>·-·<a·href="io.html#read/2"><code·class="inline">io:read/2</code></a>·failed·to·read·some·term.</li><li><code·class="inline">{file_error,·FileName,·file:posix()}</code>·-·For·an·explanation·of |
| 228 | <a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:posix/0"><code·class="inline">file:posix()</code></a>,·see·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html"><code·class="inline">file</code></a>.</li><li><code·class="inline">{premature_eof,·FileName}</code>·-·End-of-file·was·encountered·inside·some·binary | 228 | <a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:posix/0"><code·class="inline">file:posix()</code></a>,·see·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html"><code·class="inline">file</code></a>.</li><li><code·class="inline">{premature_eof,·FileName}</code>·-·End-of-file·was·encountered·inside·some·binary |
| 229 | term.</li></ul> | 229 | term.</li></ul> |
| 230 | ····</section> | 230 | ····</section> |
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| 1830 | ······<p·class="built-using"> | 1830 | ······<p·class="built-using"> |
| 1831 | ········Built·using | 1831 | ········Built·using |
| 1832 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1832 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1833 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1833 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1834 | ······</p> | 1834 | ······</p> |
| 1835 | <p>Copyright·©·1996-202 | 1835 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1836 | ····</footer> | 1836 | ····</footer> |
| 1837 | ··</div> | 1837 | ··</div> |
| 1838 | </main> | 1838 | </main> |
| 1839 | </div> | 1839 | </div> |
| 1840 | <script> | 1840 | <script> |
| 1841 | ··function·mermaidLoaded()·{ | 1841 | ··function·mermaidLoaded()·{ |
| 1842 | ····mermaid.initialize({ | 1842 | ····mermaid.initialize({ |
| Offset 986, 23 lines modified | Offset 986, 23 lines modified | ||
| 986 | ································Cwd·::·<a·href="#t:filename_all/0">filename_all</a>(), | 986 | ································Cwd·::·<a·href="#t:filename_all/0">filename_all</a>(), |
| 987 | ································SafeFilename·::·<a·href="#t:filename_all/0">filename_all</a>().</pre> | 987 | ································SafeFilename·::·<a·href="#t:filename_all/0">filename_all</a>().</pre> |
| 988 | ······</div> | 988 | ······</div> |
| 989 | <p>Sanitizes·the·relative·path·by·eliminating·".."·and·"."·components·to·protect | 989 | <p>Sanitizes·the·relative·path·by·eliminating·".."·and·"."·components·to·protect |
| 990 | against·directory·traversal·attacks.</p><p>Either·returns·the·sanitized·path·name,·or·the·atom·<code·class="inline">unsafe</code>·if·the·path·is·unsafe. | 990 | against·directory·traversal·attacks.</p><p>Either·returns·the·sanitized·path·name,·or·the·atom·<code·class="inline">unsafe</code>·if·the·path·is·unsafe. |
| 991 | The·path·is·considered·unsafe·in·the·following·circumstances:</p><ul><li>The·path·is·not·relative.</li><li>A·".."·component·would·climb·up·above·the·root·of·the·relative·path.</li><li>A·symbolic·link·in·the·path·points·above·the·root·of·the·relative·path.</li></ul><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id=" | 991 | The·path·is·considered·unsafe·in·the·following·circumstances:</p><ul><li>The·path·is·not·relative.</li><li>A·".."·component·would·climb·up·above·the·root·of·the·relative·path.</li><li>A·symbolic·link·in·the·path·points·above·the·root·of·the·relative·path.</li></ul><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id="5355866864-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cwd</span><span·class="p"·data-group-id="5355866864-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·168,·SHA:·6aa7225cd3d16474b238bde6ed00ba191c8647437522c28abbf49f8a1e379599·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 992 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> | 992 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 993 | 2>·</span><span·class="nc">filelib</span><span·class="p">:</span><span·class="nf">safe_relative_path</span><span·class="p"·data-group-id=" | 993 | 2>·</span><span·class="nc">filelib</span><span·class="p">:</span><span·class="nf">safe_relative_path</span><span·class="p"·data-group-id="5355866864-3">(</span><span·class="s">"dir/sub_dir/.."</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cwd</span><span·class="p"·data-group-id="5355866864-3">)</span><span·class="p">.</span><span·class="w"> |
| 994 | </span><span·class="s">"dir"</span><span·class="gp·unselectable"> | 994 | </span><span·class="s">"dir"</span><span·class="gp·unselectable"> |
| 995 | 3>·</span><span·class="nc">filelib</span><span·class="p">:</span><span·class="nf">safe_relative_path</span><span·class="p"·data-group-id=" | 995 | 3>·</span><span·class="nc">filelib</span><span·class="p">:</span><span·class="nf">safe_relative_path</span><span·class="p"·data-group-id="5355866864-4">(</span><span·class="s">"dir/.."</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cwd</span><span·class="p"·data-group-id="5355866864-4">)</span><span·class="p">.</span><span·class="w"> |
| 996 | </span><span·class="p"·data-group-id=" | 996 | </span><span·class="p"·data-group-id="5355866864-5">[</span><span·class="p"·data-group-id="5355866864-5">]</span><span·class="gp·unselectable"> |
| 997 | 4>·</span><span·class="nc">filelib</span><span·class="p">:</span><span·class="nf">safe_relative_path</span><span·class="p"·data-group-id=" | 997 | 4>·</span><span·class="nc">filelib</span><span·class="p">:</span><span·class="nf">safe_relative_path</span><span·class="p"·data-group-id="5355866864-6">(</span><span·class="s">"dir/../.."</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cwd</span><span·class="p"·data-group-id="5355866864-6">)</span><span·class="p">.</span><span·class="w"> |
| 998 | </span><span·class="ss">unsafe</span><span·class="gp·unselectable"> | 998 | </span><span·class="ss">unsafe</span><span·class="gp·unselectable"> |
| 999 | 5>·</span><span·class="nc">filelib</span><span·class="p">:</span><span·class="nf">safe_relative_path</span><span·class="p"·data-group-id=" | 999 | 5>·</span><span·class="nc">filelib</span><span·class="p">:</span><span·class="nf">safe_relative_path</span><span·class="p"·data-group-id="5355866864-7">(</span><span·class="s">"/abs/path"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Cwd</span><span·class="p"·data-group-id="5355866864-7">)</span><span·class="p">.</span><span·class="w"> |
| 1000 | </span><span·class="ss">unsafe</span></code></pre> | 1000 | </span><span·class="ss">unsafe</span></code></pre> |
| 1001 | ··</section> | 1001 | ··</section> |
| 1002 | </section> | 1002 | </section> |
| 1003 | <section·class="detail"·id="wildcard/1"> | 1003 | <section·class="detail"·id="wildcard/1"> |
| 1004 | ··<div·class="detail-header"> | 1004 | ··<div·class="detail-header"> |
| 1005 | ····<a·href="#wildcard/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1005 | ····<a·href="#wildcard/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1090, 15 lines modified | Offset 1090, 15 lines modified | ||
| 1090 | ······<p·class="built-using"> | 1090 | ······<p·class="built-using"> |
| 1091 | ········Built·using | 1091 | ········Built·using |
| 1092 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1092 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1093 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1093 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1094 | ······</p> | 1094 | ······</p> |
| 1095 | <p>Copyright·©·1996-202 | 1095 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1096 | ····</footer> | 1096 | ····</footer> |
| 1097 | ··</div> | 1097 | ··</div> |
| 1098 | </main> | 1098 | </main> |
| 1099 | </div> | 1099 | </div> |
| 1100 | <script> | 1100 | <script> |
| 1101 | ··function·mermaidLoaded()·{ | 1101 | ··function·mermaidLoaded()·{ |
| 1102 | ····mermaid.initialize({ | 1102 | ····mermaid.initialize({ |
| Offset 514, 28 lines modified | Offset 514, 28 lines modified | ||
| 514 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·absname(Filename)·->·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename_all/0">file:filename_all</a>()·when·Filename·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:name_all/0">file:name_all</a>().</pre> | 514 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·absname(Filename)·->·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename_all/0">file:filename_all</a>()·when·Filename·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:name_all/0">file:name_all</a>().</pre> |
| 515 | ······</div> | 515 | ······</div> |
| 516 | <p>Converts·a·relative·<code·class="inline">Filename</code>·and·returns·an·absolute·name.·No·attempt·is·made | 516 | <p>Converts·a·relative·<code·class="inline">Filename</code>·and·returns·an·absolute·name.·No·attempt·is·made |
| 517 | to·create·the·shortest·absolute·name,·as·this·can·give·incorrect·results·on·file | 517 | to·create·the·shortest·absolute·name,·as·this·can·give·incorrect·results·on·file |
| 518 | systems·that·allow·links.</p><p><em>Unix·examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">pwd</span><span·class="p"·data-group-id=" | 518 | systems·that·allow·links.</p><p><em>Unix·examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">pwd</span><span·class="p"·data-group-id="0407964482-1">(</span><span·class="p"·data-group-id="0407964482-1">)</span><span·class="p">.</span><span·class="w"> |
| 519 | </span><span·class="s">"/usr/local"</span><span·class="gp·unselectable"> | 519 | </span><span·class="s">"/usr/local"</span><span·class="gp·unselectable"> |
| 520 | 2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id=" | 520 | 2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id="0407964482-2">(</span><span·class="s">"foo"</span><span·class="p"·data-group-id="0407964482-2">)</span><span·class="p">.</span><span·class="w"> |
| 521 | </span><span·class="s">"/usr/local/foo"</span><span·class="gp·unselectable"> | 521 | </span><span·class="s">"/usr/local/foo"</span><span·class="gp·unselectable"> |
| 522 | 3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id=" | 522 | 3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id="0407964482-3">(</span><span·class="s">"../x"</span><span·class="p"·data-group-id="0407964482-3">)</span><span·class="p">.</span><span·class="w"> |
| 523 | </span><span·class="s">"/usr/local/../x"</span><span·class="gp·unselectable"> | 523 | </span><span·class="s">"/usr/local/../x"</span><span·class="gp·unselectable"> |
| 524 | 4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id=" | 524 | 4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id="0407964482-4">(</span><span·class="s">"/"</span><span·class="p"·data-group-id="0407964482-4">)</span><span·class="p">.</span><span·class="w"> |
| 525 | </span><span·class="s">"/"</span></code></pre><p><em>Windows·examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">pwd</span><span·class="p"·data-group-id=" | 525 | </span><span·class="s">"/"</span></code></pre><p><em>Windows·examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">pwd</span><span·class="p"·data-group-id="8356272021-1">(</span><span·class="p"·data-group-id="8356272021-1">)</span><span·class="p">.</span><span·class="w"> |
| 526 | </span><span·class="s">"D:/usr/local"</span><span·class="gp·unselectable"> | 526 | </span><span·class="s">"D:/usr/local"</span><span·class="gp·unselectable"> |
| 527 | 2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id=" | 527 | 2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id="8356272021-2">(</span><span·class="s">"foo"</span><span·class="p"·data-group-id="8356272021-2">)</span><span·class="p">.</span><span·class="w"> |
| 528 | </span><span·class="s">"D:/usr/local/foo"</span><span·class="gp·unselectable"> | 528 | </span><span·class="s">"D:/usr/local/foo"</span><span·class="gp·unselectable"> |
| 529 | 3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id=" | 529 | 3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id="8356272021-3">(</span><span·class="s">"../x"</span><span·class="p"·data-group-id="8356272021-3">)</span><span·class="p">.</span><span·class="w"> |
| 530 | </span><span·class="s">"D:/usr/local/../x"</span><span·class="gp·unselectable"> | 530 | </span><span·class="s">"D:/usr/local/../x"</span><span·class="gp·unselectable"> |
| 531 | 4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id=" | 531 | 4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">absname</span><span·class="p"·data-group-id="8356272021-4">(</span><span·class="s">"/"</span><span·class="p"·data-group-id="8356272021-4">)</span><span·class="p">.</span><span·class="w"> |
| 532 | </span><span·class="s">"D:/"</span></code></pre> | 532 | </span><span·class="s">"D:/"</span></code></pre> |
| 533 | ··</section> | 533 | ··</section> |
| 534 | </section> | 534 | </section> |
| 535 | <section·class="detail"·id="absname/2"> | 535 | <section·class="detail"·id="absname/2"> |
| 536 | ··<div·class="detail-header"> | 536 | ··<div·class="detail-header"> |
| 537 | ····<a·href="#absname/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 537 | ····<a·href="#absname/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 659, 66 lines modified | Offset 659, 66 lines modified | ||
| 659 | ······</div> | 659 | ······</div> |
| 660 | <p><a·href=""·id="basedir_3_1"></a>·<a·href=""·id="basedir_3_2"></a></p><p>Returns·a·suitable·path,·or·paths,·for·a·given·type.·If·<code·class="inline">os</code>·is·not·set·in | 660 | <p><a·href=""·id="basedir_3_1"></a>·<a·href=""·id="basedir_3_2"></a></p><p>Returns·a·suitable·path,·or·paths,·for·a·given·type.·If·<code·class="inline">os</code>·is·not·set·in |
| 661 | <code·class="inline">Opts</code>·the·function·will·default·to·the·native·option,·that·is·<code·class="inline">'linux'</code>, | 661 | <code·class="inline">Opts</code>·the·function·will·default·to·the·native·option,·that·is·<code·class="inline">'linux'</code>, |
| 662 | <code·class="inline">'darwin'</code>·or·<code·class="inline">'windows'</code>,·as·understood·by·<a·href="../../../../lib/kernel-10.2.3/doc/html/os.html#type/0"><code·class="inline">os:type/0</code></a>.·Anything·not·recognized | 662 | <code·class="inline">'darwin'</code>·or·<code·class="inline">'windows'</code>,·as·understood·by·<a·href="../../../../lib/kernel-10.2.3/doc/html/os.html#type/0"><code·class="inline">os:type/0</code></a>.·Anything·not·recognized |
| 663 | as·<code·class="inline">'darwin'</code>·or·<code·class="inline">'windows'</code>·is·interpreted·as·<code·class="inline">'linux'</code>.</p><p>The·options·<code·class="inline">'author'</code>·and·<code·class="inline">'version'</code>·are·only·used·with·<code·class="inline">'windows'</code>·option | 663 | as·<code·class="inline">'darwin'</code>·or·<code·class="inline">'windows'</code>·is·interpreted·as·<code·class="inline">'linux'</code>.</p><p>The·options·<code·class="inline">'author'</code>·and·<code·class="inline">'version'</code>·are·only·used·with·<code·class="inline">'windows'</code>·option |
| 664 | mode.</p><ul><li><p><code·class="inline"·id="user_cache">user_cache</code></p><p>The·path·location·is·intended·for·transient·data·files·on·a·local·machine.</p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_CACHE_HOME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 664 | mode.</p><ul><li><p><code·class="inline"·id="user_cache">user_cache</code></p><p>The·path·location·is·intended·for·transient·data·files·on·a·local·machine.</p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_CACHE_HOME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="6429112792-1">(</span><span·class="ss">user_cache</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6429112792-2">#{</span><[·...·truncated·by·diffoscope;·len:·176,·SHA:·f5deda8729796da6ae16b0b9df5111eb6bcfc64c8ff0a3b9013a4ee506928c76·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 665 | </span><span·class="s">"/home/otptest/.cache/my_application"</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 665 | </span><span·class="s">"/home/otptest/.cache/my_application"</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="1472027808-1">(</span><span·class="ss">user_cache</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1472027808-2">#{</span><[·...·truncated·by·diffoscope;·len:·177,·SHA:·2c1cc7a76766546bb0b8edb742e93747ee6db6f5661813c5df7d645f3bfc0a58·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 666 | </span><span·class="s">"/home/otptest/Library/Caches/my_application"</span></code></pre><p>On·Windows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 666 | </span><span·class="s">"/home/otptest/Library/Caches/my_application"</span></code></pre><p>On·Windows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="1528171649-1">(</span><span·class="ss">user_cache</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p"·data-group-id="1528171649-1">)</span><span·class="p">.</span><span·class="w"> |
| 667 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App/Cache"</span><span·class="gp·unselectable"> | 667 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App/Cache"</span><span·class="gp·unselectable"> |
| 668 | 2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 668 | 2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="1528171649-2">(</span><span·class="ss">user_cache</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p"·data-group-id="1528171649-2">)</span><span·class="p">.</span><span·class="w"> |
| 669 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App/Cache"</span><span·class="gp·unselectable"> | 669 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App/Cache"</span><span·class="gp·unselectable"> |
| 670 | 3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 670 | 3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="1528171649-3">(</span><span·class="ss">user_cache</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1528171649-4">#{</span><span·cla[·...·truncated·by·diffoscope;·len:·184,·SHA:·aba31eeb37011da5964b2a354c336c141bd1aafc95ea088fabaa735d1d96c3e2·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 671 | </span><span·class="s">"c:/Users/otptest/AppData/Local/Erlang/My·App/Cache"</span><span·class="gp·unselectable"> | 671 | </span><span·class="s">"c:/Users/otptest/AppData/Local/Erlang/My·App/Cache"</span><span·class="gp·unselectable"> |
| 672 | 4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 672 | 4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="1528171649-5">(</span><span·class="ss">user_cache</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1528171649-6">#{</span><span·cla[·...·truncated·by·diffoscope;·len:·182,·SHA:·ea89a1f30c23d5bbeeb5ae275edf61d9492acd76db6dd5d410c68d5a65a5a02d·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 673 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App/1.2/Cache"</span><span·class="gp·unselectable"> | 673 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App/1.2/Cache"</span><span·class="gp·unselectable"> |
| 674 | 5>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 674 | 5>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="1528171649-7">(</span><span·class="ss">user_cache</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1528171649-8">#{</span><span·cla[·...·truncated·by·diffoscope;·len:·305,·SHA:·f80989f7ce3354bb2502b90690e3b789669d7c97a6357fa8900c1857b2e9374c·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 675 | </span><span·class="s">"c:/Users/otptest/AppData/Local/Erlang/My·App/1.2/Cache"</span></code></pre></li><li><p><code·class="inline"·id="user_config">user_config</code></p><p>The·path·location·is·intended·for·persistent·configuration·files.</p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_CONFIG_HOME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 675 | </span><span·class="s">"c:/Users/otptest/AppData/Local/Erlang/My·App/1.2/Cache"</span></code></pre></li><li><p><code·class="inline"·id="user_config">user_config</code></p><p>The·path·location·is·intended·for·persistent·configuration·files.</p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_CONFIG_HOME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="5402567640-1">(</span><span·class="ss">user_config</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5402567640-2">#{</span>[·...·truncated·by·diffoscope;·len:·177,·SHA:·0d623b33dc18d2bd749ba4eabc79f782b2a5a3ebfa19e7c578dec008f268c057·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 676 | </span><span·class="s">"/home/otptest/.config/my_application"</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="0 | 676 | </span><span·class="s">"/home/otptest/.config/my_application"</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="8094071543-1">(</span><span·class="ss">user_config</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8094071543-2">#{</span>[·...·truncated·by·diffoscope;·len:·178,·SHA:·f62a4f6fed9e6bfc6d015aa7e5a3f287d6d79032eabb8c66aac522055b4e4d1a·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 677 | </span><span·class="s">"/home/otptest/Library/Application·Support/my_application"</span></code></pre><p>On·Windows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 677 | </span><span·class="s">"/home/otptest/Library/Application·Support/my_application"</span></code></pre><p>On·Windows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="2979625327-1">(</span><span·class="ss">user_config</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p"·data-group-id="2979625327-1">)</span><span·class="p">.</span><span·class="w"> |
| 678 | </span><span·class="s">"c:/Users/otptest/AppData/Roaming/My·App"</span><span·class="gp·unselectable"> | 678 | </span><span·class="s">"c:/Users/otptest/AppData/Roaming/My·App"</span><span·class="gp·unselectable"> |
| 679 | 2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 679 | 2>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="2979625327-2">(</span><span·class="ss">user_config</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2979625327-3">#{</span><span·cl[·...·truncated·by·diffoscope;·len:·330,·SHA:·19f9215154d7c1f2a9f38b6b750a7a0f396744e8c9c7a931f85c64c2a037fdbf·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 680 | </span><span·class="s">"c:/Users/otptest/AppData/Roaming/Erlang/My·App/1.2"</span></code></pre></li><li><p><code·class="inline"·id="user_data">user_data</code></p><p>The·path·location·is·intended·for·persistent·data·files.</p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_DATA_HOME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 680 | </span><span·class="s">"c:/Users/otptest/AppData/Roaming/Erlang/My·App/1.2"</span></code></pre></li><li><p><code·class="inline"·id="user_data">user_data</code></p><p>The·path·location·is·intended·for·persistent·data·files.</p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_DATA_HOME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="0007453746-1">(</span><span·class="ss">user_data</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0007453746-2">#{</span><s[·...·truncated·by·diffoscope;·len:·175,·SHA:·8d7e6df75fb7b488ad4673aa2c233320f5152864d248a9d52af255005a581bf5·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 681 | </span><span·class="s">"/home/otptest/.local/my_application"</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 681 | </span><span·class="s">"/home/otptest/.local/my_application"</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="7399931405-1">(</span><span·class="ss">user_data</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7399931405-2">#{</span><s[·...·truncated·by·diffoscope;·len:·176,·SHA:·1580ed5ca6cf03d5249260f3b5097f517889e70b192cb4eb634762a4d2593fa2·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 682 | </span><span·class="s">"/home/otptest/Library/Application·Support/my_application"</span></code></pre><p>On·Windows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">8>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 682 | </span><span·class="s">"/home/otptest/Library/Application·Support/my_application"</span></code></pre><p>On·Windows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">8>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="2450079926-1">(</span><span·class="ss">user_data</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p"·data-group-id="2450079926-1">)</span><span·class="p">.</span><span·class="w"> |
| 683 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App"</span><span·class="gp·unselectable"> | 683 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App"</span><span·class="gp·unselectable"> |
| 684 | 9>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 684 | 9>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="2450079926-2">(</span><span·class="ss">user_data</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p">,</span><span·class="p"·data-group-id="2450079926-3">#{</span><span·class="ss">author</span><spa[·...·truncated·by·diffoscope;·len:·280,·SHA:·109d7bc575dd0b1d7dfa3c8db0c3337fbe1bc9734a3e94a1e7b664e541478898·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 685 | </span><span·class="s">"c:/Users/otptest/AppData/Local/Erlang/My·App/1.2"</span></code></pre></li><li><p><code·class="inline"·id="user_log">user_log</code></p><p>The·path·location·is·intended·for·transient·log·files·on·a·local·machine.</p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_CACHE_HOME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 685 | </span><span·class="s">"c:/Users/otptest/AppData/Local/Erlang/My·App/1.2"</span></code></pre></li><li><p><code·class="inline"·id="user_log">user_log</code></p><p>The·path·location·is·intended·for·transient·log·files·on·a·local·machine.</p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_CACHE_HOME</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="3287716316-1">(</span><span·class="ss">user_log</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3287716316-2">#{</span><sp[·...·truncated·by·diffoscope;·len:·174,·SHA:·8491d1ca352c1114460acd321be97d0662f190ab38d9e6f5298b991e542471d6·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 686 | </span><span·class="s">"/home/otptest/.cache/my_application/log"</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="8 | 686 | </span><span·class="s">"/home/otptest/.cache/my_application/log"</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="8696506141-1">(</span><span·class="ss">user_log</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8696506141-2">#{</span><spa[·...·truncated·by·diffoscope;·len:·174,·SHA:·e33fe9e247d39ff9f912fecb61880ea94e7fd61d4526fc6bfe197c50739ee123·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 687 | </span><span·class="s">"/home/otptest/Library/Logs/my_application"</span></code></pre><p>On·Windows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">12>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 687 | </span><span·class="s">"/home/otptest/Library/Logs/my_application"</span></code></pre><p>On·Windows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">12>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="5072789469-1">(</span><span·class="ss">user_log</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p"·data-group-id="5072789469-1">)</span><span·class="p">.</span><span·class="w"> |
| 688 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App/Logs"</span><span·class="gp·unselectable"> | 688 | </span><span·class="s">"c:/Users/otptest/AppData/Local/My·App/Logs"</span><span·class="gp·unselectable"> |
| 689 | 13>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 689 | 13>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="5072789469-2">(</span><span·class="ss">user_log</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"My·App"</span><span·class="p">,</span><span·class="p"·data-group-id="5072789469-3">#{</span><span·class="ss">author</span><span[·...·truncated·by·diffoscope;·len:·279,·SHA:·607f2b6d43399a7edce9ea920ce1aee44594c7ff04a27db69c8a676595ab1f24·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 690 | </span><span·class="s">"c:/Users/otptest/AppData/Local/Erlang/My·App/1.2/Logs"</span></code></pre></li><li><p><code·class="inline"·id="site_config">site_config</code></p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_CONFIG_DIRS</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 690 | </span><span·class="s">"c:/Users/otptest/AppData/Local/Erlang/My·App/1.2/Logs"</span></code></pre></li><li><p><code·class="inline"·id="site_config">site_config</code></p><p>On·Linux:·Respects·the·os·environment·variable·<code·class="inline">XDG_CONFIG_DIRS</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="7271984833-1">(</span><span·class="ss">site_config</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7271984833-2">#{</span>[·...·truncated·by·diffoscope;·len:·177,·SHA:·5294d3f4c3d0d32fa25fb14a3436efb867876eab8463fd6970d6250e1f924f65·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 691 | </span><span·class="p"·data-group-id=" | 691 | </span><span·class="p"·data-group-id="7271984833-3">[</span><span·class="s">"/usr/local/share/my_application"</span><span·class="p">,</span><span·class="w"> |
| 692 | ·</span><span·class="s">"/usr/share/my_application"</span><span·class="p"·data-group-id=" | 692 | ·</span><span·class="s">"/usr/share/my_application"</span><span·class="p"·data-group-id="7271984833-3">]</span><span·class="gp·unselectable"> |
| 693 | 6>·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">getenv</span><span·class="p"·data-group-id=" | 693 | 6>·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">getenv</span><span·class="p"·data-group-id="7271984833-4">(</span><span·class="s">"XDG_CONFIG_DIRS"</span><span·class="p"·data-group-id="7271984833-4">)</span><span·class="p">.</span><span·class="w"> |
| 694 | </span><span·class="s">"/etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg"</span><span·class="gp·unselectable"> | 694 | </span><span·class="s">"/etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg"</span><span·class="gp·unselectable"> |
| 695 | 7>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 695 | 7>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="7271984833-5">(</span><span·class="ss">site_config</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7271984833-6">#{</span>[·...·truncated·by·diffoscope;·len:·177,·SHA:·4cd1be2ea12bca133f3166a650f3f262482ddf5573c7de48e8bf82b97363f68c·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 696 | </span><span·class="p"·data-group-id=" | 696 | </span><span·class="p"·data-group-id="7271984833-7">[</span><span·class="s">"/etc/xdg/xdg-ubuntu/my_application"</span><span·class="p">,</span><span·class="w"> |
| 697 | ·</span><span·class="s">"/usr/share/upstart/xdg/my_application"</span><span·class="p">,</span><span·class="w"> | 697 | ·</span><span·class="s">"/usr/share/upstart/xdg/my_application"</span><span·class="p">,</span><span·class="w"> |
| 698 | ·</span><span·class="s">"/etc/xdg/my_application"</span><span·class="p"·data-group-id=" | 698 | ·</span><span·class="s">"/etc/xdg/my_application"</span><span·class="p"·data-group-id="7271984833-7">]</span><span·class="gp·unselectable"> |
| 699 | 8>·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">unsetenv</span><span·class="p"·data-group-id=" | 699 | 8>·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">unsetenv</span><span·class="p"·data-group-id="7271984833-8">(</span><span·class="s">"XDG_CONFIG_DIRS"</span><span·class="p"·data-group-id="7271984833-8">)</span><span·class="p">.</span><span·class="w"> |
| 700 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 700 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 701 | 9>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 701 | 9>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="7271984833-9">(</span><span·class="ss">site_config</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7271984833-10">#{</span[·...·truncated·by·diffoscope;·len:·179,·SHA:·fcb5a8539f740ebf2a4b556b69679d2a220cb65323dae0bc67506814e56a394a·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 702 | </span><span·class="p"·data-group-id=" | 702 | </span><span·class="p"·data-group-id="7271984833-11">[</span><span·class="s">"/etc/xdg/my_application"</span><span·class="p"·data-group-id="7271984833-11">]</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span>[·...·truncated·by·diffoscope;·len:·552,·SHA:·49dd7d8031ccc302a364528466dc2020e7b7dc5122798bf33ea6f7419d29498e·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 703 | </span><span·class="p"·data-group-id=" | 703 | </span><span·class="p"·data-group-id="4315326219-3">[</span><span·class="s">"/Library/Application·Support/my_application"</span><span·class="p"·data-group-id="4315326219-3">]</span></code></pre></li><li><p><code·class="inline"·id="site_data">site_data</code></p><p>On·Linux:·Respects·[·...·truncated·by·diffoscope;·len:·388,·SHA:·d2114c45c42dc73cc07d83186bd6bf2c76bcada2fc172131a375b492864ec8f2·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 704 | </span><span·class="s">"/usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/"</span><span·class="gp·unselectable"> | 704 | </span><span·class="s">"/usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/"</span><span·class="gp·unselectable"> |
| 705 | 11>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 705 | 11>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="4308493622-2">(</span><span·class="ss">site_data</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4308493622-3">#{</span><s[·...·truncated·by·diffoscope;·len:·175,·SHA:·684cde65f19801d53c4c05ae5a1941a8d3e07aeeb7c49d0f51b786e56c6d747a·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 706 | </span><span·class="p"·data-group-id=" | 706 | </span><span·class="p"·data-group-id="4308493622-4">[</span><span·class="s">"/usr/share/ubuntu/my_application"</span><span·class="p">,</span><span·class="w"> |
| 707 | ·</span><span·class="s">"/usr/share/gnome/my_application"</span><span·class="p">,</span><span·class="w"> | 707 | ·</span><span·class="s">"/usr/share/gnome/my_application"</span><span·class="p">,</span><span·class="w"> |
| 708 | ·</span><span·class="s">"/usr/local/share/my_application"</span><span·class="p">,</span><span·class="w"> | 708 | ·</span><span·class="s">"/usr/local/share/my_application"</span><span·class="p">,</span><span·class="w"> |
| 709 | ·</span><span·class="s">"/usr/share/my_application"</span><span·class="p"·data-group-id=" | 709 | ·</span><span·class="s">"/usr/share/my_application"</span><span·class="p"·data-group-id="4308493622-4">]</span><span·class="gp·unselectable"> |
| 710 | 12>·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">unsetenv</span><span·class="p"·data-group-id=" | 710 | 12>·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">unsetenv</span><span·class="p"·data-group-id="4308493622-5">(</span><span·class="s">"XDG_DATA_DIRS"</span><span·class="p"·data-group-id="4308493622-5">)</span><span·class="p">.</span><span·class="w"> |
| 711 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 711 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 712 | 13>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id=" | 712 | 13>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group-id="4308493622-6">(</span><span·class="ss">site_data</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"my_application"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4308493622-7">#{</span><s[·...·truncated·by·diffoscope;·len:·175,·SHA:·cc37dd21bf420fc815279d9bb92296b0602961026b74cba1d7830ee20e60c4ba·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 713 | </span><span·class="p"·data-group-id=" | 713 | </span><span·class="p"·data-group-id="4308493622-8">[</span><span·class="s">"/usr/local/share/my_application"</span><span·class="p">,</span><span·class="w"> |
| 714 | ·</span><span·class="s">"/usr/share/my_application"</span><span·class="p"·data-group-id=" | 714 | ·</span><span·class="s">"/usr/share/my_application"</span><span·class="p"·data-group-id="4308493622-8">]</span></code></pre><p>On·Darwin:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basedir</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·437,·SHA:·4a60925efe95ced62988945119cc53a4d825d377f61b7f8645ee8345ffb8307a·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 715 | </span><span·class="p"·data-group-id=" | 715 | </span><span·class="p"·data-group-id="2578470983-3">[</span><span·class="s">"/Library/Application·Support/my_application"</span><span·class="p"·data-group-id="2578470983-3">]</span></code></pre></li></ul> |
| 716 | ··</section> | 716 | ··</section> |
| 717 | </section> | 717 | </section> |
| 718 | <section·class="detail"·id="basename/1"> | 718 | <section·class="detail"·id="basename/1"> |
| 719 | ··<div·class="detail-header"> | 719 | ··<div·class="detail-header"> |
| 720 | ····<a·href="#basename/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 720 | ····<a·href="#basename/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 721 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 721 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 737, 20 lines modified | Offset 737, 20 lines modified | ||
| 737 | ······<div·class="specs"> | 737 | ······<div·class="specs"> |
| 738 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·basename(Filename)·->·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename_all/0">file:filename_all</a>()·when·Filename·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:name_all/0">file:name_all</a>().</pre> | 738 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·basename(Filename)·->·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename_all/0">file:filename_all</a>()·when·Filename·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:name_all/0">file:name_all</a>().</pre> |
| 739 | ······</div> | 739 | ······</div> |
| 740 | <p>Returns·the·last·component·of·<code·class="inline">Filename</code>,·or·<code·class="inline">Filename</code>·itself·if·it·does·not | 740 | <p>Returns·the·last·component·of·<code·class="inline">Filename</code>,·or·<code·class="inline">Filename</code>·itself·if·it·does·not |
| 741 | contain·any·directory·separators.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id=" | 741 | contain·any·directory·separators.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id="5127493712-1">(</span><span·class="s">"foo"</span><span·class="p"·data-group-id="5127493712-1">)</span><span·class="p">.</span><span·class="w"> |
| 742 | </span><span·class="s">"foo"</span><span·class="gp·unselectable"> | 742 | </span><span·class="s">"foo"</span><span·class="gp·unselectable"> |
| 743 | 6>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id=" | 743 | 6>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id="5127493712-2">(</span><span·class="s">"/usr/foo"</span><span·class="p"·data-group-id="5127493712-2">)</span><span·class="p">.</span><span·class="w"> |
| 744 | </span><span·class="s">"foo"</span><span·class="gp·unselectable"> | 744 | </span><span·class="s">"foo"</span><span·class="gp·unselectable"> |
| 745 | 7>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id=" | 745 | 7>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id="5127493712-3">(</span><span·class="s">"/"</span><span·class="p"·data-group-id="5127493712-3">)</span><span·class="p">.</span><span·class="w"> |
| 746 | </span><span·class="p"·data-group-id=" | 746 | </span><span·class="p"·data-group-id="5127493712-4">[</span><span·class="p"·data-group-id="5127493712-4">]</span></code></pre> |
| 747 | ··</section> | 747 | ··</section> |
| 748 | </section> | 748 | </section> |
| 749 | <section·class="detail"·id="basename/2"> | 749 | <section·class="detail"·id="basename/2"> |
| 750 | ··<div·class="detail-header"> | 750 | ··<div·class="detail-header"> |
| 751 | ····<a·href="#basename/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 751 | ····<a·href="#basename/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 752 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 752 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 771, 23 lines modified | Offset 771, 23 lines modified | ||
| 771 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·basename(Filename,·Ext)·->·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename_all/0">file:filename_all</a>() | 771 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·basename(Filename,·Ext)·->·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:filename_all/0">file:filename_all</a>() |
| 772 | ··················when·Filename·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:name_all/0">file:name_all</a>(),·Ext·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:name_all/0">file:name_all</a>().</pre> | 772 | ··················when·Filename·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:name_all/0">file:name_all</a>(),·Ext·::·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:name_all/0">file:name_all</a>().</pre> |
| 773 | ······</div> | 773 | ······</div> |
| 774 | <p>Returns·the·last·component·of·<code·class="inline">Filename</code>·with·extension·<code·class="inline">Ext</code>·stripped.</p><p>This·function·is·to·be·used·to·remove·a·(possible)·specific·extension. | 774 | <p>Returns·the·last·component·of·<code·class="inline">Filename</code>·with·extension·<code·class="inline">Ext</code>·stripped.</p><p>This·function·is·to·be·used·to·remove·a·(possible)·specific·extension. |
| 775 | To·remove·an·existing·extension·when·you·are·unsure·which·one·it·is,·use | 775 | To·remove·an·existing·extension·when·you·are·unsure·which·one·it·is,·use |
| 776 | <a·href="#rootname/1"><code·class="inline">rootname(basename(Filename))</code></a>.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">8>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id=" | 776 | <a·href="#rootname/1"><code·class="inline">rootname(basename(Filename))</code></a>.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">8>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id="5568378984-1">(</span><span·class="s">"~/src/kalle.erl"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">".erl"</span><span·class="p"·data-group-id="5568378984-1">)</span><span·class="p">.</span><span·class="w"> |
| 777 | </span><span·class="s">"kalle"</span><span·class="gp·unselectable"> | 777 | </span><span·class="s">"kalle"</span><span·class="gp·unselectable"> |
| 778 | 9>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id=" | 778 | 9>·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">basename</span><span·class="p"·data-group-id="5568378984-2">(</span><span·class="s">"~/src/kalle.beam"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">".erl"</span><span·class="p"·data-group-id="5568378984-2">)</span><span·class="p">.</span><span·class="w"> |
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| 1980 | ······<p·class="built-using"> | 1980 | ······<p·class="built-using"> |
| 1981 | ········Built·using | 1981 | ········Built·using |
| 1982 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1982 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1983 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1983 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1984 | ······</p> | 1984 | ······</p> |
| 1985 | <p>Copyright·©·1996-202 | 1985 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1986 | ····</footer> | 1986 | ····</footer> |
| 1987 | ··</div> | 1987 | ··</div> |
| 1988 | </main> | 1988 | </main> |
| 1989 | </div> | 1989 | </div> |
| 1990 | <script> | 1990 | <script> |
| 1991 | ··function·mermaidLoaded()·{ | 1991 | ··function·mermaidLoaded()·{ |
| 1992 | ····mermaid.initialize({ | 1992 | ····mermaid.initialize({ |
| Offset 1537, 15 lines modified | Offset 1537, 15 lines modified | ||
| 1537 | ······<p·class="built-using"> | 1537 | ······<p·class="built-using"> |
| 1538 | ········Built·using | 1538 | ········Built·using |
| 1539 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1539 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1540 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1540 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1541 | ······</p> | 1541 | ······</p> |
| 1542 | <p>Copyright·©·1996-202 | 1542 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1543 | ····</footer> | 1543 | ····</footer> |
| 1544 | ··</div> | 1544 | ··</div> |
| 1545 | </main> | 1545 | </main> |
| 1546 | </div> | 1546 | </div> |
| 1547 | <script> | 1547 | <script> |
| 1548 | ··function·mermaidLoaded()·{ | 1548 | ··function·mermaidLoaded()·{ |
| 1549 | ····mermaid.initialize({ | 1549 | ····mermaid.initialize({ |
| Offset 1267, 23 lines modified | Offset 1267, 23 lines modified | ||
| 1267 | format/limit·the·server·state·for·debugging·and·logging·purposes.</p><p>It·is·called·in·the·following·situations:</p><ul><li><p>One·of·<a·href="sys.html#get_status/1"><code·class="inline">sys:get_status/1,2</code></a>·is·invoked | 1267 | format/limit·the·server·state·for·debugging·and·logging·purposes.</p><p>It·is·called·in·the·following·situations:</p><ul><li><p>One·of·<a·href="sys.html#get_status/1"><code·class="inline">sys:get_status/1,2</code></a>·is·invoked |
| 1268 | to·get·the·<code·class="inline">gen_event</code>·status.</p></li><li><p>The·event·handler·terminates·abnormally·and·<code·class="inline">gen_event</code>·logs·an·error.</p></li></ul><p>This·callback·is·used·to·limit·the·status·of·the·event·handler·returned·by | 1268 | to·get·the·<code·class="inline">gen_event</code>·status.</p></li><li><p>The·event·handler·terminates·abnormally·and·<code·class="inline">gen_event</code>·logs·an·error.</p></li></ul><p>This·callback·is·used·to·limit·the·status·of·the·event·handler·returned·by |
| 1269 | <a·href="sys.html#get_status/1"><code·class="inline">sys:get_status/1,2</code></a>·or·sent·to·<a·href="../../../../lib/kernel-10.2.3/doc/html/logger.html"><code·class="inline">logger</code></a>.</p><p>The·callback·gets·a·map·<code·class="inline">Status</code>·describing·the·current·status | 1269 | <a·href="sys.html#get_status/1"><code·class="inline">sys:get_status/1,2</code></a>·or·sent·to·<a·href="../../../../lib/kernel-10.2.3/doc/html/logger.html"><code·class="inline">logger</code></a>.</p><p>The·callback·gets·a·map·<code·class="inline">Status</code>·describing·the·current·status |
| 1270 | and·shall·return·a·map·<code·class="inline">NewStatus</code>·with·the·same·keys, | 1270 | and·shall·return·a·map·<code·class="inline">NewStatus</code>·with·the·same·keys, |
| 1271 | but·it·may·transform·some·values.</p><p>Two·possible·use·cases·for·this·callback·is·to·remove | 1271 | but·it·may·transform·some·values.</p><p>Two·possible·use·cases·for·this·callback·is·to·remove |
| 1272 | sensitive·information·from·the·state·to·prevent·it·from·being·printed | 1272 | sensitive·information·from·the·state·to·prevent·it·from·being·printed |
| 1273 | in·log·files,·or·to·compact·large·irrelevant·status·items | 1273 | in·log·files,·or·to·compact·large·irrelevant·status·items |
| 1274 | that·would·only·clutter·the·logs.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">format_status</span><span·class="p"·data-group-id=" | 1274 | that·would·only·clutter·the·logs.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">format_status</span><span·class="p"·data-group-id="8821943979-1">(</span><span·class="n">Status</span><span·class="p"·data-group-id="8821943979-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1275 | ··</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 1275 | ··</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="8821943979-2">(</span><span·class="w"> |
| 1276 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 1276 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id="8821943979-3">(</span><span·class="ss">state</span><span·class="p">,</span><span·class="n">State</span><span·class="p"·data-group-id="8821943979-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1277 | ············</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">remove</span><span·class="p"·data-group-id=" | 1277 | ············</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">remove</span><span·class="p"·data-group-id="8821943979-4">(</span><span·class="ss">private_key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="8821943979-4">)</span><span·class="p">;</span><span·class="w"> |
| 1278 | ·······</span><span·class="p"·data-group-id=" | 1278 | ·······</span><span·class="p"·data-group-id="8821943979-5">(</span><span·class="ss">message</span><span·class="p">,</span><span·class="p"·data-group-id="8821943979-6">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Pass</[·...·truncated·by·diffoscope;·len:·99,·SHA:·afad3812ed02f0a2fcefacb0f0df3b8c81d1b7d7be130cafaca13e95391a28ae·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1279 | ············</span><span·class="p"·data-group-id=" | 1279 | ············</span><span·class="p"·data-group-id="8821943979-7">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">removed</span><span·class="p"·data-group-id="8821943979-7">}</span><span·class="p">;</span><span·class="w"> |
| 1280 | ·······</span><span·class="p"·data-group-id=" | 1280 | ·······</span><span·class="p"·data-group-id="8821943979-8">(</span><span·class="p">_</span><span·class="p">,</span><span·class="n">Value</span><span·class="p"·data-group-id="8821943979-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1281 | ············</span><span·class="n">Value</span><span·class="w"> | 1281 | ············</span><span·class="n">Value</span><span·class="w"> |
| 1282 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Status</span><span·class="p"·data-group-id=" | 1282 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Status</span><span·class="p"·data-group-id="8821943979-2">)</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·callback·is·optional,·so·event·handler·modules·need·not·export·it. |
| 1283 | If·a·handler·does·not·export·this·function,·the·<code·class="inline">gen_event</code>·module | 1283 | If·a·handler·does·not·export·this·function,·the·<code·class="inline">gen_event</code>·module |
| 1284 | uses·the·handler·state·directly·for·the·purposes·described·below.</p><p>If·this·callback·is·exported·but·fails,·to·hide·possibly·sensitive·data, | 1284 | uses·the·handler·state·directly·for·the·purposes·described·below.</p><p>If·this·callback·is·exported·but·fails,·to·hide·possibly·sensitive·data, |
| 1285 | the·default·function·will·instead·return·the·fact·that | 1285 | the·default·function·will·instead·return·the·fact·that |
| 1286 | <a·href="#c:format_status/1"><code·class="inline">format_status/1</code></a>·has·crashed.</p></section> | 1286 | <a·href="#c:format_status/1"><code·class="inline">format_status/1</code></a>·has·crashed.</p></section> |
| 1287 | ··</section> | 1287 | ··</section> |
| 1288 | </section> | 1288 | </section> |
| 1289 | <section·class="detail"·id="c:format_status/2"> | 1289 | <section·class="detail"·id="c:format_status/2"> |
| Offset 2878, 15 lines modified | Offset 2878, 15 lines modified | ||
| 2878 | ······<p·class="built-using"> | 2878 | ······<p·class="built-using"> |
| 2879 | ········Built·using | 2879 | ········Built·using |
| 2880 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2880 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2881 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2881 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2882 | ······</p> | 2882 | ······</p> |
| 2883 | <p>Copyright·©·1996-202 | 2883 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2884 | ····</footer> | 2884 | ····</footer> |
| 2885 | ··</div> | 2885 | ··</div> |
| 2886 | </main> | 2886 | </main> |
| 2887 | </div> | 2887 | </div> |
| 2888 | <script> | 2888 | <script> |
| 2889 | ··function·mermaidLoaded()·{ | 2889 | ··function·mermaidLoaded()·{ |
| 2890 | ····mermaid.initialize({ | 2890 | ····mermaid.initialize({ |
| Offset 131, 171 lines modified | Offset 131, 171 lines modified | ||
| 131 | <p>Deprecated·and·replaced·by·<a·href="gen_statem.html"><code·class="inline">gen_statem</code></a>·in·OTP·20.</p><h2·id="module-migration-to-gen_statem"·class="section-heading"> | 131 | <p>Deprecated·and·replaced·by·<a·href="gen_statem.html"><code·class="inline">gen_statem</code></a>·in·OTP·20.</p><h2·id="module-migration-to-gen_statem"·class="section-heading"> |
| 132 | ··<a·href="#module-migration-to-gen_statem"·class="hover-link"> | 132 | ··<a·href="#module-migration-to-gen_statem"·class="hover-link"> |
| 133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 134 | ··</a> | 134 | ··</a> |
| 135 | ··<span·class="text">Migration·to·gen_statem</span> | 135 | ··<span·class="text">Migration·to·gen_statem</span> |
| 136 | </h2> | 136 | </h2> |
| 137 | <p>Here·follows·a·simple·example·of·turning·a·gen_fsm·into·a·<a·href="gen_statem.html"><code·class="inline">gen_statem</code></a>. | 137 | <p>Here·follows·a·simple·example·of·turning·a·gen_fsm·into·a·<a·href="gen_statem.html"><code·class="inline">gen_statem</code></a>. |
| 138 | The·example·comes·from·the·previous·User's·Guide·for·<code·class="inline">gen_fsm</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 138 | The·example·comes·from·the·previous·User's·Guide·for·<code·class="inline">gen_fsm</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1666281249-1">(</span><span·class="ss">code_lock</span><span·class="p"·data-group-id="1666281249-1">)</span><span·class="p">.</span><span·class="w"> |
| 139 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id=" | 139 | </span><span·class="p">-</span><span·class="na">define</span><span·class="p"·data-group-id="1666281249-2">(</span><span·class="n">NAME</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">code_lock</span><span·class="p"·data-group-id="1666281249-2">)</span><span·class="p">.</span><span·class="w"> |
| 140 | </span><span·class="c1">%-define(BEFORE_REWRITE,·true).</span><span·class="w"> | 140 | </span><span·class="c1">%-define(BEFORE_REWRITE,·true).</span><span·class="w"> |
| 141 | </span><span·class="w"> | 141 | </span><span·class="w"> |
| 142 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id=" | 142 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1666281249-3">(</span><span·class="n">BEFORE_REWRITE</span><span·class="p"·data-group-id="1666281249-3">)</span><span·class="p">.</span><span·class="w"> |
| 143 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 143 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="1666281249-4">(</span><span·class="ss">gen_fsm</span><span·class="p"·data-group-id="1666281249-4">)</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 144 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 145 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 145 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="1666281249-5">(</span><span·class="ss">gen_statem</span><span·class="p"·data-group-id="1666281249-5">)</span><span·class="p">.</span><span·class="w"> |
| 146 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 146 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 147 | </span><span·class="w"> | 147 | </span><span·class="w"> |
| 148 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 148 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1666281249-6">(</span><span·class="p"·data-group-id="1666281249-7">[</span><span·class="ss">start_link</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">button</span><span·class="p">/</s[·...·truncated·by·diffoscope;·len:·248,·SHA:·bc165917f43842c0949f34f38c51bf052f3258befde4049efc25f1eeaa9f8aec·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 149 | </span><span·class="w"> | 149 | </span><span·class="w"> |
| 150 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id=" | 150 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1666281249-8">(</span><span·class="n">BEFORE_REWRITE</span><span·class="p"·data-group-id="1666281249-8">)</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 151 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1666281249-9">(</span><span·class="p"·data-group-id="1666281249-10">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">locked</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">open</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">handle_sync_event</span><span·class="p">/</span><span·class="mi">4</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">handle_event</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w"> |
| 152 | ·····</span><span·class="ss">handle_info</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">terminate</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi">4</span><span·class="p"·data-group-id=" | 152 | ·····</span><span·class="ss">handle_info</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">terminate</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi">4</span><span·class="p"·data-group-id="1666281249-10">]</span><span·class="p"·data-group-id="1666281249-9">)</span><span·class="p">.</span><span·class="w"> |
| 153 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 153 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 154 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 154 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1666281249-11">(</span><span·class="p"·data-group-id="1666281249-12">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">callback_mode</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">locked</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">open</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w"> |
| 155 | ·····</span><span·class="ss">terminate</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi">4</span><span·class="p"·data-group-id=" | 155 | ·····</span><span·class="ss">terminate</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi">4</span><span·class="p"·data-group-id="1666281249-12">]</span><span·class="p"·data-group-id="1666281249-11">)</span><span·class="p">.</span><span·class="w"> |
| 156 | </span><span·class="c1">%%·Add·callback__mode/0</span><span·class="w"> | 156 | </span><span·class="c1">%%·Add·callback__mode/0</span><span·class="w"> |
| 157 | </span><span·class="c1">%%·Change·arity·of·the·state·functions</span><span·class="w"> | 157 | </span><span·class="c1">%%·Change·arity·of·the·state·functions</span><span·class="w"> |
| 158 | </span><span·class="c1">%%·Remove·handle_info/3</span><span·class="w"> | 158 | </span><span·class="c1">%%·Remove·handle_info/3</span><span·class="w"> |
| 159 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 159 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 160 | </span><span·class="w"> | 160 | </span><span·class="w"> |
| 161 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id=" | 161 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1666281249-13">(</span><span·class="n">BEFORE_REWRITE</span><span·class="p"·data-group-id="1666281249-13">)</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 162 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id="1666281249-14">(</span><span·class="n">Code</span><span·class="p"·data-group-id="1666281249-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 163 | ····</span><span·class="nc">gen_fsm</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 163 | ····</span><span·class="nc">gen_fsm</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="1666281249-15">(</span><span·class="p"·data-group-id="1666281249-16">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="w">·</span><span·class="o">?</span><span·class="n">NAME</span><span·class="p"·data-group-id="1666281249-16">}</sp[·...·truncated·by·diffoscope;·len:·376,·SHA:·f3a4fc4b6fd5c822f69f6c741a389e6e7284f6c83a0016c796d2ed7563609b03·...·]-15">)</span><span·class="p">.</span><span·class="w"> |
| 164 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 164 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 165 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id="1666281249-18">(</span><span·class="n">Code</span><span·class="p"·data-group-id="1666281249-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 166 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 166 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="1666281249-19">(</span><span·class="p"·data-group-id="1666281249-20">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="o">?</span><span·class="n">NAME</span><span·class="p"·data-group-id="1666281249-20">}</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·352,·SHA:·0792526fc99af4a14ae56d5fc6f6db69f4194f1b978a72d9b61cddff6438c45a·...·]-19">)</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 167 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 168 | </span><span·class="w"> | 168 | </span><span·class="w"> |
| 169 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id=" | 169 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1666281249-22">(</span><span·class="n">BEFORE_REWRITE</span><span·class="p"·data-group-id="1666281249-22">)</span><span·class="p">.</span><span·class="w"> |
| 170 | </span><span·class="nf">button</span><span·class="p"·data-group-id=" | 170 | </span><span·class="nf">button</span><span·class="p"·data-group-id="1666281249-23">(</span><span·class="n">Digit</span><span·class="p"·data-group-id="1666281249-23">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 171 | ····</span><span·class="nc">gen_fsm</span><span·class="p">:</span><span·class="nf">send_event</span><span·class="p"·data-group-id=" | 171 | ····</span><span·class="nc">gen_fsm</span><span·class="p">:</span><span·class="nf">send_event</span><span·class="p"·data-group-id="1666281249-24">(</span><span·class="o">?</span><span·class="n">NAME</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1666281249-25">{</span><span·class="ss">button</span><span·class="p">,</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·121,·SHA:·688efb1ec96c90418db088bed8851d1a546a898241c75fc8fd6d2f58b3bb4d78·...·]-24">)</span><span·class="p">.</span><span·class="w"> |
| 172 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 172 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="nf">button</span><span·class="p"·data-group-id=" | 173 | </span><span·class="nf">button</span><span·class="p"·data-group-id="1666281249-26">(</span><span·class="n">Digit</span><span·class="p"·data-group-id="1666281249-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id=" | 174 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">cast</span><span·class="p"·data-group-id="1666281249-27">(</span><span·class="o">?</span><span·class="n">NAME</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1666281249-28">{</span><span·class="ss">button</span><span·class="p">,</span><span·class="n">Digit</spa[·...·truncated·by·diffoscope;·len:·97,·SHA:·59a46a979ba34a5ddeb1e5104a106c1d7da1b76bf60e78966b6cdce89a69f300·...·]-27">)</span><span·class="p">.</span><span·class="w"> |
| 175 | ····</span><span·class="c1">%%·send_event·is·asynchronous·and·becomes·a·cast</span><span·class="w"> | 175 | ····</span><span·class="c1">%%·send_event·is·asynchronous·and·becomes·a·cast</span><span·class="w"> |
| 176 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 176 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 177 | </span><span·class="w"> | 177 | </span><span·class="w"> |
| 178 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id=" | 178 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1666281249-29">(</span><span·class="n">BEFORE_REWRITE</span><span·class="p"·data-group-id="1666281249-29">)</span><span·class="p">.</span><span·class="w"> |
| 179 | </span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 179 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="1666281249-30">(</span><span·class="p"·data-group-id="1666281249-30">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 180 | ····</span><span·class="nc">gen_fsm</span><span·class="p">:</span><span·class="nf">sync_send_all_state_event</span><span·class="p"·data-group-id=" | 180 | ····</span><span·class="nc">gen_fsm</span><span·class="p">:</span><span·class="nf">sync_send_all_state_event</span><span·class="p"·data-group-id="1666281249-31">(</span><span·class="o">?</span><span·class="n">NAME</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p"·data-group-id="1666281249-31">)</span><span·class="p">.</span><span·class="w"> |
| 181 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 181 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 182 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="1666281249-32">(</span><span·class="p"·data-group-id="1666281249-32">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 183 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 183 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="1666281249-33">(</span><span·class="o">?</span><span·class="n">NAME</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p"·data-group-id="1666281249-33">)</span><span·class="p">.</span><span·class="w"> |
| 184 | ····</span><span·class="c1">%%·sync_send·is·synchronous·and·becomes·call</span><span·class="w"> | 184 | ····</span><span·class="c1">%%·sync_send·is·synchronous·and·becomes·call</span><span·class="w"> |
| 185 | ····</span><span·class="c1">%%·all_state·is·handled·by·callback·code·in·gen_statem</span><span·class="w"> | 185 | ····</span><span·class="c1">%%·all_state·is·handled·by·callback·code·in·gen_statem</span><span·class="w"> |
| 186 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 186 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 187 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 187 | </span><span·class="nf">init</span><span·class="p"·data-group-id="1666281249-34">(</span><span·class="n">Code</span><span·class="p"·data-group-id="1666281249-34">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 188 | ····</span><span·class="nf">do_lock</span><span·class="p"·data-group-id=" | 188 | ····</span><span·class="nf">do_lock</span><span·class="p"·data-group-id="1666281249-35">(</span><span·class="p"·data-group-id="1666281249-35">)</span><span·class="p">,</span><span·class="w"> |
| 189 | ····</span><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 189 | ····</span><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1666281249-36">#{</span><span·class="ss">code</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Code</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">remaining</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·124,·SHA:·2d6b8217dcceef957f5b55712bd346f365e89ffd729d5554db30fd34341a588f·...·]-36">}</span><span·class="p">,</span><span·class="w"> |
| 190 | ····</span><span·class="p"·data-group-id=" | 190 | ····</span><span·class="p"·data-group-id="1666281249-37">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">locked</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-37">}</span><span·class="p">.</span><span·class="w"> |
| 191 | </span><span·class="w"> | 191 | </span><span·class="w"> |
| 192 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id=" | 192 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1666281249-38">(</span><span·class="n">BEFORE_REWRITE</span><span·class="p"·data-group-id="1666281249-38">)</span><span·class="p">.</span><span·class="w"> |
| 193 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 193 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 194 | </span><span·class="nf">callback_mode</span><span·class="p"·data-group-id=" | 194 | </span><span·class="nf">callback_mode</span><span·class="p"·data-group-id="1666281249-39">(</span><span·class="p"·data-group-id="1666281249-39">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 195 | ····</span><span·class="ss">state_functions</span><span·class="p">.</span><span·class="w"> | 195 | ····</span><span·class="ss">state_functions</span><span·class="p">.</span><span·class="w"> |
| 196 | </span><span·class="c1">%%·state_functions·mode·is·the·mode·most·similar·to</span><span·class="w"> | 196 | </span><span·class="c1">%%·state_functions·mode·is·the·mode·most·similar·to</span><span·class="w"> |
| 197 | </span><span·class="c1">%%·gen_fsm.·There·is·also·handle_event·mode·which·is</span><span·class="w"> | 197 | </span><span·class="c1">%%·gen_fsm.·There·is·also·handle_event·mode·which·is</span><span·class="w"> |
| 198 | </span><span·class="c1">%%·a·fairly·different·concept.</span><span·class="w"> | 198 | </span><span·class="c1">%%·a·fairly·different·concept.</span><span·class="w"> |
| 199 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 199 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="w"> | 200 | </span><span·class="w"> |
| 201 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id=" | 201 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1666281249-40">(</span><span·class="n">BEFORE_REWRITE</span><span·class="p"·data-group-id="1666281249-40">)</span><span·class="p">.</span><span·class="w"> |
| 202 | </span><span·class="nf">locked</span><span·class="p"·data-group-id=" | 202 | </span><span·class="nf">locked</span><span·class="p"·data-group-id="1666281249-41">(</span><span·class="p"·data-group-id="1666281249-42">{</span><span·class="ss">button</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Digit</span><span·class="p"·data-group-id="1666281249-42">}</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·98,·SHA:·824c9fcb8b43b0c49b5e9f7bd5cd8565727e73aeffe5b5756a5a2d8119ca925c·...·]-41">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 203 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">analyze_lock</span><span·class="p"·data-group-id=" | 203 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">analyze_lock</span><span·class="p"·data-group-id="1666281249-43">(</span><span·class="n">Digit</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data0</span><span·class="p"·data-group-id="1666281249-43">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 204 | ····</span><span·class="p"·data-group-id=" | 204 | ····</span><span·class="p"·data-group-id="1666281249-44">{</span><span·class="ss">open</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·4c59b2c5460af4f001d1fd1d0a624bcf02c5f43adc9fd95ee1b1e85f19a826ad·...·]-44">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 205 | ········</span><span·class="p"·data-group-id=" | 205 | ········</span><span·class="p"·data-group-id="1666281249-45">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p">,</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·74,·SHA:·0341bfac726d24a5df2bceeba5ffca2b845a5fb175234ac3d0921e06a2d54997·...·]-45">}</span><span·class="p">;</span><span·class="w"> |
| 206 | ····</span><span·class="p"·data-group-id=" | 206 | ····</span><span·class="p"·data-group-id="1666281249-46">{</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-46">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 207 | ········</span><span·class="p"·data-group-id=" | 207 | ········</span><span·class="p"·data-group-id="1666281249-47">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-47">}</span><span·class="w"> |
| 208 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 208 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 209 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 209 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 210 | </span><span·class="nf">locked</span><span·class="p"·data-group-id=" | 210 | </span><span·class="nf">locked</span><span·class="p"·data-group-id="1666281249-48">(</span><span·class="ss">cast</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1666281249-49">{</span><span·class="ss">button</span><span·class="p">,</span><span·class="n">Digit</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·150,·SHA:·5adc47498c8767bcd747afdfb5414bc57382b0c33c2c3841add4c15b70b95225·...·]-48">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 211 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">analyze_lock</span><span·class="p"·data-group-id=" | 211 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">analyze_lock</span><span·class="p"·data-group-id="1666281249-50">(</span><span·class="n">Digit</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data0</span><span·class="p"·data-group-id="1666281249-50">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 212 | ····</span><span·class="p"·data-group-id=" | 212 | ····</span><span·class="p"·data-group-id="1666281249-51">{</span><span·class="ss">open</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·4c59b2c5460af4f001d1fd1d0a624bcf02c5f43adc9fd95ee1b1e85f19a826ad·...·]-51">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 213 | ········</span><span·class="p"·data-group-id=" | 213 | ········</span><span·class="p"·data-group-id="1666281249-52">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p">,</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·74,·SHA:·0341bfac726d24a5df2bceeba5ffca2b845a5fb175234ac3d0921e06a2d54997·...·]-52">}</span><span·class="p">;</span><span·class="w"> |
| 214 | ····</span><span·class="p"·data-group-id=" | 214 | ····</span><span·class="p"·data-group-id="1666281249-53">{</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-53">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 215 | ········</span><span·class="p"·data-group-id=" | 215 | ········</span><span·class="p"·data-group-id="1666281249-54">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-54">}</span><span·class="w"> |
| 216 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 216 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 217 | </span><span·class="nf">locked</span><span·class="p"·data-group-id=" | 217 | </span><span·class="nf">locked</span><span·class="p"·data-group-id="1666281249-55">(</span><span·class="p"·data-group-id="1666281249-56">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="n">From</span><span·class="p"·data-group-id="1666281249-56">}</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·168,·SHA:·153b535be06db0d52df17bce08297d646959cdd25948912b54501638f0dd7374·...·]-55">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 218 | ····</span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 218 | ····</span><span·class="nf">handle_call</span><span·class="p"·data-group-id="1666281249-57">(</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-57">)</span><span·class="p">;</span><span·class="w"> |
| 219 | </span><span·class="nf">locked</span><span·class="p"·data-group-id=" | 219 | </span><span·class="nf">locked</span><span·class="p"·data-group-id="1666281249-58">(</span><span·class="p"·data-group-id="1666281249-59">{</span><span·class="ss">info</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="1666281249-59">}</span><span·class="p">,</span[·...·truncated·by·diffoscope;·len:·173,·SHA:·38daef58413766aac1808a4dcd8836e07ef35e8f0d38339b9f4deae2dcec037d·...·]-58">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 220 | ····</span><span·class="nf">handle_info</span><span·class="p"·data-group-id=" | 220 | ····</span><span·class="nf">handle_info</span><span·class="p"·data-group-id="1666281249-60">(</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-60">)</span><span·class="p">.</span><span·class="w"> |
| 221 | </span><span·class="c1">%%·Arity·differs</span><span·class="w"> | 221 | </span><span·class="c1">%%·Arity·differs</span><span·class="w"> |
| 222 | </span><span·class="c1">%%·All·state·events·are·dispatched·to·handle_call·and·handle_info·help</span><span·class="w"> | 222 | </span><span·class="c1">%%·All·state·events·are·dispatched·to·handle_call·and·handle_info·help</span><span·class="w"> |
| 223 | </span><span·class="c1">%%·functions.·If·you·want·to·handle·a·call·or·cast·event·specifically</span><span·class="w"> | 223 | </span><span·class="c1">%%·functions.·If·you·want·to·handle·a·call·or·cast·event·specifically</span><span·class="w"> |
| 224 | </span><span·class="c1">%%·for·this·state·you·would·add·a·special·clause·for·it·above.</span><span·class="w"> | 224 | </span><span·class="c1">%%·for·this·state·you·would·add·a·special·clause·for·it·above.</span><span·class="w"> |
| 225 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 225 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 226 | </span><span·class="w"> | 226 | </span><span·class="w"> |
| 227 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id=" | 227 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1666281249-61">(</span><span·class="n">BEFORE_REWRITE</span><span·class="p"·data-group-id="1666281249-61">)</span><span·class="p">.</span><span·class="w"> |
| 228 | </span><span·class="nf">open</span><span·class="p"·data-group-id=" | 228 | </span><span·class="nf">open</span><span·class="p"·data-group-id="1666281249-62">(</span><span·class="ss">timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="1666281249-62">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 229 | ·····</span><span·class="nf">do_lock</span><span·class="p"·data-group-id=" | 229 | ·····</span><span·class="nf">do_lock</span><span·class="p"·data-group-id="1666281249-63">(</span><span·class="p"·data-group-id="1666281249-63">)</span><span·class="p">,</span><span·class="w"> |
| 230 | ····</span><span·class="p"·data-group-id=" | 230 | ····</span><span·class="p"·data-group-id="1666281249-64">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">locked</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="1666281249-64">}</span><span·class="p">;</span><span·class="w"> |
| 231 | </span><span·class="nf">open</span><span·class="p"·data-group-id=" | 231 | </span><span·class="nf">open</span><span·class="p"·data-group-id="1666281249-65">(</span><span·class="p"·data-group-id="1666281249-66">{</span><span·class="ss">button</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id="1666281249-66">}</span><span·class="p">,</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·69,·SHA:·ad34c91d179fa6ca5bc3402d2ae8d2f5999e6e8c9137f650841088afcecf59af·...·]-65">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ····</span><span·class="p"·data-group-id=" | 232 | ····</span><span·class="p"·data-group-id="1666281249-67">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">locked</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-67">}</span><span·class="p">.</span><span·class="w"> |
| 233 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> | 233 | </span><span·class="p">-</span><span·class="na">else</span><span·class="p">.</span><span·class="w"> |
| 234 | </span><span·class="nf">open</span><span·class="p"·data-group-id=" | 234 | </span><span·class="nf">open</span><span·class="p"·data-group-id="1666281249-68">(</span><span·class="ss">timeout</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-68">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 235 | ····</span><span·class="nf">do_lock</span><span·class="p"·data-group-id=" | 235 | ····</span><span·class="nf">do_lock</span><span·class="p"·data-group-id="1666281249-69">(</span><span·class="p"·data-group-id="1666281249-69">)</span><span·class="p">,</span><span·class="w"> |
| 236 | ····</span><span·class="p"·data-group-id=" | 236 | ····</span><span·class="p"·data-group-id="1666281249-70">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">locked</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-70">}</span><span·class="p">;</span><span·class="w"> |
| 237 | </span><span·class="nf">open</span><span·class="p"·data-group-id=" | 237 | </span><span·class="nf">open</span><span·class="p"·data-group-id="1666281249-71">(</span><span·class="ss">cast</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1666281249-72">{</span><span·class="ss">button</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·145,·SHA:·80ed9ee316c2a1ac76f4580d0a833985936eba8a7b1654d2e5f6d7e26b299091·...·]-71">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 238 | ····</span><span·class="p"·data-group-id=" | 238 | ····</span><span·class="p"·data-group-id="1666281249-73">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">locked</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-73">}</span><span·class="p">;</span><span·class="w"> |
| 239 | </span><span·class="nf">open</span><span·class="p"·data-group-id=" | 239 | </span><span·class="nf">open</span><span·class="p"·data-group-id="1666281249-74">(</span><span·class="p"·data-group-id="1666281249-75">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="w">·</span><span·class="n">From</span><span·class="p"·data-group-id="1666281249-75">}</span><span·class="p">,</spa[·...·truncated·by·diffoscope;·len:·168,·SHA:·153b535be06db0d52df17bce08297d646959cdd25948912b54501638f0dd7374·...·]-74">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 240 | ····</span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 240 | ····</span><span·class="nf">handle_call</span><span·class="p"·data-group-id="1666281249-76">(</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-76">)</span><span·class="p">;</span><span·class="w"> |
| 241 | </span><span·class="nf">open</span><span·class="p"·data-group-id=" | 241 | </span><span·class="nf">open</span><span·class="p"·data-group-id="1666281249-77">(</span><span·class="ss">info</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-77">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 242 | ····</span><span·class="nf">handle_info</span><span·class="p"·data-group-id=" | 242 | ····</span><span·class="nf">handle_info</span><span·class="p"·data-group-id="1666281249-78">(</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">open</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-78">)</span><span·class="p">.</span><span·class="w"> |
| 243 | </span><span·class="c1">%%·Arity·differs</span><span·class="w"> | 243 | </span><span·class="c1">%%·Arity·differs</span><span·class="w"> |
| 244 | </span><span·class="c1">%%·All·state·events·are·dispatched·to·handle_call·and·handle_info·help</span><span·class="w"> | 244 | </span><span·class="c1">%%·All·state·events·are·dispatched·to·handle_call·and·handle_info·help</span><span·class="w"> |
| 245 | </span><span·class="c1">%%·functions.·If·you·want·to·handle·a·call·or·cast·event·specifically</span><span·class="w"> | 245 | </span><span·class="c1">%%·functions.·If·you·want·to·handle·a·call·or·cast·event·specifically</span><span·class="w"> |
| 246 | </span><span·class="c1">%%·for·this·state·you·would·add·a·special·clause·for·it·above.</span><span·class="w"> | 246 | </span><span·class="c1">%%·for·this·state·you·would·add·a·special·clause·for·it·above.</span><span·class="w"> |
| 247 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> | 247 | </span><span·class="p">-</span><span·class="na">endif</span><span·class="p">.</span><span·class="w"> |
| 248 | </span><span·class="w"> | 248 | </span><span·class="w"> |
| 249 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id=" | 249 | </span><span·class="p">-</span><span·class="na">ifdef</span><span·class="p"·data-group-id="1666281249-79">(</span><span·class="n">BEFORE_REWRITE</span><span·class="p"·data-group-id="1666281249-79">)</span><span·class="p">.</span><span·class="w"> |
| 250 | </span><span·class="nf">handle_sync_event</span><span·class="p"·data-group-id=" | 250 | </span><span·class="nf">handle_sync_event</span><span·class="p"·data-group-id="1666281249-80">(</span><span·class="ss">stop</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">StateName</span><s[·...·truncated·by·diffoscope;·len:·114,·SHA:·196f340abaa3ffa8a96811134f5aee7421e072f373def6ca248a6957cc048405·...·]-80">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 251 | ····</span><span·class="p"·data-group-id=" | 251 | ····</span><span·class="p"·data-group-id="1666281249-81">{</span><span·class="ss">stop</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">normal</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·63,·SHA:·f440495b306049e8196035c8bac2d0e78307fbe80ed2ce487684d9a950fbbb3b·...·]-81">}</span><span·class="p">.</span><span·class="w"> |
| 252 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 252 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id="1666281249-82">(</span><span·class="n">Event</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-82">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 253 | ····</span><span·class="p"·data-group-id=" | 253 | ····</span><span·class="p"·data-group-id="1666281249-83">{</span><span·class="ss">stop</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1666281249-84">{</span><span·class="ss">shutdown</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·445,·SHA:·71f3207399c9e1feb36c0297989576c76ae3308a1446f956c8dafa572fb310cf·...·]-83">}</span><span·class="p">.</span><span·class="w"> |
| 254 | </span><span·class="nf">handle_info</span><span·class="p"·data-group-id=" | 254 | </span><span·class="nf">handle_info</span><span·class="p"·data-group-id="1666281249-86">(</span><span·class="n">Info</span><span·class="p">,</span><span·class="w">·</span><span·class="n">StateName</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="1666281249-86">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
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| 1247 | format/limit·the·server·state·for·debugging·and·logging·purposes.</p><p>It·is·called·in·the·following·situations:</p><ul><li><a·href="sys.html#get_status/1"><code·class="inline">sys:get_status/1,2</code></a>·is·invoked | 1247 | format/limit·the·server·state·for·debugging·and·logging·purposes.</p><p>It·is·called·in·the·following·situations:</p><ul><li><a·href="sys.html#get_status/1"><code·class="inline">sys:get_status/1,2</code></a>·is·invoked |
| 1248 | to·get·the·<code·class="inline">gen_server</code>·status.</li><li>The·<code·class="inline">gen_server</code>·process·terminates·abnormally·and·logs·an·error.</li></ul><p>This·callback·is·used·to·limit·the·status·of·the·process·returned·by | 1248 | to·get·the·<code·class="inline">gen_server</code>·status.</li><li>The·<code·class="inline">gen_server</code>·process·terminates·abnormally·and·logs·an·error.</li></ul><p>This·callback·is·used·to·limit·the·status·of·the·process·returned·by |
| 1249 | <a·href="sys.html#get_status/1"><code·class="inline">sys:get_status/1,2</code></a>·or·sent·to·<a·href="../../../../lib/kernel-10.2.3/doc/html/logger.html"><code·class="inline">logger</code></a>.</p><p>The·callback·gets·a·map·<code·class="inline">Status</code>·describing·the·current·status | 1249 | <a·href="sys.html#get_status/1"><code·class="inline">sys:get_status/1,2</code></a>·or·sent·to·<a·href="../../../../lib/kernel-10.2.3/doc/html/logger.html"><code·class="inline">logger</code></a>.</p><p>The·callback·gets·a·map·<code·class="inline">Status</code>·describing·the·current·status |
| 1250 | and·shall·return·a·map·<code·class="inline">NewStatus</code>·with·the·same·keys, | 1250 | and·shall·return·a·map·<code·class="inline">NewStatus</code>·with·the·same·keys, |
| 1251 | but·it·may·transform·some·values.</p><p>Two·possible·use·cases·for·this·callback·is·to·remove | 1251 | but·it·may·transform·some·values.</p><p>Two·possible·use·cases·for·this·callback·is·to·remove |
| 1252 | sensitive·information·from·the·state·to·prevent·it·from·being·printed | 1252 | sensitive·information·from·the·state·to·prevent·it·from·being·printed |
| 1253 | in·log·files,·or·to·compact·large·irrelevant·status·items | 1253 | in·log·files,·or·to·compact·large·irrelevant·status·items |
| 1254 | that·would·only·clutter·the·logs.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">format_status</span><span·class="p"·data-group-id=" | 1254 | that·would·only·clutter·the·logs.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">format_status</span><span·class="p"·data-group-id="7363009412-1">(</span><span·class="n">Status</span><span·class="p"·data-group-id="7363009412-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1255 | ··</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 1255 | ··</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="7363009412-2">(</span><span·class="w"> |
| 1256 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 1256 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id="7363009412-3">(</span><span·class="ss">state</span><span·class="p">,</span><span·class="n">State</span><span·class="p"·data-group-id="7363009412-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1257 | ············</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">remove</span><span·class="p"·data-group-id=" | 1257 | ············</span><span·class="nc">maps</span><span·class="p">:</span><span·class="nf">remove</span><span·class="p"·data-group-id="7363009412-4">(</span><span·class="ss">private_key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="7363009412-4">)</span><span·class="p">;</span><span·class="w"> |
| 1258 | ·······</span><span·class="p"·data-group-id=" | 1258 | ·······</span><span·class="p"·data-group-id="7363009412-5">(</span><span·class="ss">message</span><span·class="p">,</span><span·class="p"·data-group-id="7363009412-6">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Pass</[·...·truncated·by·diffoscope;·len:·99,·SHA:·0529677dfba5142fabd44e18bd0c9d749d032b40527d36ae9d2be03cbab5ed69·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1259 | ············</span><span·class="p"·data-group-id=" | 1259 | ············</span><span·class="p"·data-group-id="7363009412-7">{</span><span·class="ss">password</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">removed</span><span·class="p"·data-group-id="7363009412-7">}</span><span·class="p">;</span><span·class="w"> |
| 1260 | ·······</span><span·class="p"·data-group-id=" | 1260 | ·······</span><span·class="p"·data-group-id="7363009412-8">(</span><span·class="p">_</span><span·class="p">,</span><span·class="n">Value</span><span·class="p"·data-group-id="7363009412-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1261 | ············</span><span·class="n">Value</span><span·class="w"> | 1261 | ············</span><span·class="n">Value</span><span·class="w"> |
| 1262 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Status</span><span·class="p"·data-group-id=" | 1262 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Status</span><span·class="p"·data-group-id="7363009412-2">)</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>This·callback·is·optional,·so·callback·modules·need·not·export·it.·The |
| 1263 | <code·class="inline">gen_server</code>·module·provides·a·default·implementation | 1263 | <code·class="inline">gen_server</code>·module·provides·a·default·implementation |
| 1264 | of·this·function·that·returns·the·callback·module·state.</p><p>If·this·callback·is·exported·but·fails, | 1264 | of·this·function·that·returns·the·callback·module·state.</p><p>If·this·callback·is·exported·but·fails, |
| 1265 | to·hide·possibly·sensitive·data, | 1265 | to·hide·possibly·sensitive·data, |
| 1266 | the·default·function·will·instead·return·the·fact·that | 1266 | the·default·function·will·instead·return·the·fact·that |
| 1267 | <a·href="#c:format_status/1"><code·class="inline">Module:format_status/1</code></a>·has·crashed.</p></section> | 1267 | <a·href="#c:format_status/1"><code·class="inline">Module:format_status/1</code></a>·has·crashed.</p></section> |
| 1268 | ··</section> | 1268 | ··</section> |
| 1269 | </section> | 1269 | </section> |
| Offset 2898, 15 lines modified | Offset 2898, 15 lines modified | ||
| 2898 | ······<p·class="built-using"> | 2898 | ······<p·class="built-using"> |
| 2899 | ········Built·using | 2899 | ········Built·using |
| 2900 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2900 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2901 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2901 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2902 | ······</p> | 2902 | ······</p> |
| 2903 | <p>Copyright·©·1996-202 | 2903 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2904 | ····</footer> | 2904 | ····</footer> |
| 2905 | ··</div> | 2905 | ··</div> |
| 2906 | </main> | 2906 | </main> |
| 2907 | </div> | 2907 | </div> |
| 2908 | <script> | 2908 | <script> |
| 2909 | ··function·mermaidLoaded()·{ | 2909 | ··function·mermaidLoaded()·{ |
| 2910 | ····mermaid.initialize({ | 2910 | ····mermaid.initialize({ |
| Offset 172, 15 lines modified | Offset 172, 15 lines modified | ||
| 172 | </span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="ss">send_request</span><span·class="w"> | 172 | </span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="ss">send_request</span><span·class="w"> |
| 173 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">send</span><span·class="w"> | 173 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">send</span><span·class="w"> |
| 174 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="ss">'!'</span><span·class="w">············</span><span·class="o">--</span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Module</span><span·class="p">:</span><span·class="n">StateName</span><span·class="o">/</span><span·class="mi">3</span><span·class="w"> | 174 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="ss">'!'</span><span·class="w">············</span><span·class="o">--</span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Module</span><span·class="p">:</span><span·class="n">StateName</span><span·class="o">/</span><span·class="mi">3</span><span·class="w"> |
| 175 | ···················</span><span·class="ow">or</span><span·class="w">·</span><span·class="o">--</span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Module</span><span·class="p">:</span><span·class="ss">handle_event</span><span·class="p">/</span><span·class="mi">4</span><span·class="w"> | 175 | ···················</span><span·class="ow">or</span><span·class="w">·</span><span·class="o">--</span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Module</span><span·class="p">:</span><span·class="ss">handle_event</span><span·class="p">/</span><span·class="mi">4</span><span·class="w"> |
| 176 | ···················</span><span·class="ss">depending</span><span·class="w">·</span><span·class="ss">on</span><span·class="w">·</span><span·class="ss">callback</span><span·class="w">·</span><span·class="ss">mode</span><span·class="w"> | 176 | ···················</span><span·class="ss">depending</span><span·class="w">·</span><span·class="ss">on</span><span·class="w">·</span><span·class="ss">callback</span><span·class="w">·</span><span·class="ss">mode</span><span·class="w"> |
| 177 | </span><span·class="n">Release</span><span·class="w">·</span><span·class="ss">upgrade</span><span·class="o">/</span><span·class="nf">downgrade</span><span·class="w"> | 177 | </span><span·class="n">Release</span><span·class="w">·</span><span·class="ss">upgrade</span><span·class="o">/</span><span·class="nf">downgrade</span><span·class="w"> |
| 178 | </span><span·class="p"·data-group-id=" | 178 | </span><span·class="p"·data-group-id="8751787848-1">(</span><span·class="ss">code</span><span·class="w">·</span><span·class="ss">change</span><span·class="p"·data-group-id="8751787848-1">)</span><span·class="w"> |
| 179 | ······················</span><span·class="o">--</span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Module</span><span·class="p">:</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi">4</span></code></pre><h4·id="state-callback">State·callback</h4><p>The·<em>state·callback</em>·for·a·specific·<a·href="#t:state/0">state</a>·in·a·<code·class="inline">gen_statem</code> | 179 | ······················</span><span·class="o">--</span><span·class="o">--</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Module</span><span·class="p">:</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi">4</span></code></pre><h4·id="state-callback">State·callback</h4><p>The·<em>state·callback</em>·for·a·specific·<a·href="#t:state/0">state</a>·in·a·<code·class="inline">gen_statem</code> |
| 180 | is·the·callback·function·that·is·called·for·all·events·in·this·state. | 180 | is·the·callback·function·that·is·called·for·all·events·in·this·state. |
| 181 | It·is·selected·depending·on·which·<a·href="#t:callback_mode/0"><em>callback·mode</em></a> | 181 | It·is·selected·depending·on·which·<a·href="#t:callback_mode/0"><em>callback·mode</em></a> |
| 182 | that·the·callback·module·defines·with·the·callback·function | 182 | that·the·callback·module·defines·with·the·callback·function |
| 183 | <a·href="#c:callback_mode/0"><code·class="inline">Module:callback_mode/0</code></a>.</p><p><a·href=""·id="state_functions"></a> | 183 | <a·href="#c:callback_mode/0"><code·class="inline">Module:callback_mode/0</code></a>.</p><p><a·href=""·id="state_functions"></a> |
| 184 | When·the·<a·href="#t:callback_mode/0"><em>callback·mode</em></a>·is·<code·class="inline">state_functions</code>, | 184 | When·the·<a·href="#t:callback_mode/0"><em>callback·mode</em></a>·is·<code·class="inline">state_functions</code>, |
| 185 | the·state·must·be·an·atom·and·is·used·as·the·<em>state·callback</em>·name; | 185 | the·state·must·be·an·atom·and·is·used·as·the·<em>state·callback</em>·name; |
| Offset 298, 105 lines modified | Offset 298, 105 lines modified | ||
| 298 | the·current·count·value.</li><li>Unknown·events·are·ignored·and·discarded.</li><li>There·is·boilerplate·code·for·start,·stop,·terminate,·code·change, | 298 | the·current·count·value.</li><li>Unknown·events·are·ignored·and·discarded.</li><li>There·is·boilerplate·code·for·start,·stop,·terminate,·code·change, |
| 299 | init,·to·set·the·callback·mode·to·<code·class="inline">state_functions</code>,·etc...</li></ul><h3·id="module-pushbutton-code"·class="section-heading"> | 299 | init,·to·set·the·callback·mode·to·<code·class="inline">state_functions</code>,·etc...</li></ul><h3·id="module-pushbutton-code"·class="section-heading"> |
| 300 | ··<a·href="#module-pushbutton-code"·class="hover-link"> | 300 | ··<a·href="#module-pushbutton-code"·class="hover-link"> |
| 301 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 301 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 302 | ··</a> | 302 | ··</a> |
| 303 | ··<span·class="text">Pushbutton·Code</span> | 303 | ··<span·class="text">Pushbutton·Code</span> |
| 304 | </h3> | 304 | </h3> |
| 305 | <p>The·following·is·the·complete·callback·module·file·<code·class="inline">pushbutton.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 305 | <p>The·following·is·the·complete·callback·module·file·<code·class="inline">pushbutton.erl</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4046293058-1">(</span><span·class="ss">pushbutton</span><span·class="p"·data-group-id="4046293058-1">)</span><span·class="p">.</span><span·class="w"> |
| 306 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 306 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="4046293058-2">(</span><span·class="ss">gen_statem</span><span·class="p"·data-group-id="4046293058-2">)</span><span·class="p">.</span><span·class="w"> |
| 307 | </span><span·class="w"> | 307 | </span><span·class="w"> |
| 308 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 308 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="4046293058-3">(</span><span·class="p"·data-group-id="4046293058-4">[</span><span·class="ss">start</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="ss">push</span><span·class="p">/</span><span·class="mi">0</span><s[·...·truncated·by·diffoscope;·len:·299,·SHA:·f9c62999570087959def255c1d98c95693fa880237733d26a7a3982df75f7e83·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 309 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 309 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="4046293058-5">(</span><span·class="p"·data-group-id="4046293058-6">[</span><span·class="ss">terminate</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi"[·...·truncated·by·diffoscope;·len:·314,·SHA:·3e5120ace630f4b3631a9f4609074bd3096ddec079e1003a08a22e059336383f·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 310 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 310 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="4046293058-7">(</span><span·class="p"·data-group-id="4046293058-8">[</span><span·class="ss">on</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="ss">off</span><span·class="p">/</span><span·class="mi">3</span><span·[·...·truncated·by·diffoscope;·len:·88,·SHA:·ef9a4af341723944d85e17c088c983cb7980f199d5a5fe2cea5889c69e54b09a·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 311 | </span><span·class="nf">name</span><span·class="p"·data-group-id=" | 311 | </span><span·class="nf">name</span><span·class="p"·data-group-id="4046293058-9">(</span><span·class="p"·data-group-id="4046293058-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">pushbutton_statem</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·The·registered·server·name</span><span·class="w"> |
| 312 | </span><span·class="c1">%%·API.··This·example·uses·a·registered·name·name()</span><span·class="w"> | 312 | </span><span·class="c1">%%·API.··This·example·uses·a·registered·name·name()</span><span·class="w"> |
| 313 | </span><span·class="c1">%%·and·does·not·link·to·the·caller.</span><span·class="w"> | 313 | </span><span·class="c1">%%·and·does·not·link·to·the·caller.</span><span·class="w"> |
| 314 | </span><span·class="nf">start</span><span·class="p"·data-group-id=" | 314 | </span><span·class="nf">start</span><span·class="p"·data-group-id="4046293058-10">(</span><span·class="p"·data-group-id="4046293058-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 315 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 315 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="4046293058-11">(</span><span·class="p"·data-group-id="4046293058-12">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="nf">name</span><span·class="p"·data-group-id="4046293058-13">(</span><span·class="p"·data-group-id="4046293058-13[·...·truncated·by·diffoscope;·len:·518,·SHA:·f00b365caf6ad9013c431d6d5d117b834749dc8e9d4fd178e2d11ac0e36f9975·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 316 | </span><span·class="nf">push</span><span·class="p"·data-group-id=" | 316 | </span><span·class="nf">push</span><span·class="p"·data-group-id="4046293058-16">(</span><span·class="p"·data-group-id="4046293058-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 317 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 317 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="4046293058-17">(</span><span·class="nf">name</span><span·class="p"·data-group-id="4046293058-18">(</span><span·class="p"·data-group-id="4046293058-18">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">push</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·ba3edb4ff626e2cd3a74edb3d356b6f51eb54bac18d850232394852a68ac16fd·...·]-17">)</span><span·class="p">.</span><span·class="w"> |
| 318 | </span><span·class="nf">get_count</span><span·class="p"·data-group-id=" | 318 | </span><span·class="nf">get_count</span><span·class="p"·data-group-id="4046293058-19">(</span><span·class="p"·data-group-id="4046293058-19">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 319 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 319 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="4046293058-20">(</span><span·class="nf">name</span><span·class="p"·data-group-id="4046293058-21">(</span><span·class="p"·data-group-id="4046293058-21">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">get_count</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·25,·SHA:·58cec74591c070968165f65872bd53940032b8b71393f2517db4b703a59dc862·...·]-20">)</span><span·class="p">.</span><span·class="w"> |
| 320 | </span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 320 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="4046293058-22">(</span><span·class="p"·data-group-id="4046293058-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 321 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 321 | ····</span><span·class="nc">gen_statem</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="4046293058-23">(</span><span·class="nf">name</span><span·class="p"·data-group-id="4046293058-24">(</span><span·class="p"·data-group-id="4046293058-24">)</span><span·class="p"·data-group-id="4046293058-23">)</span><span·class="p">.</span><span·class="w"> |
| 322 | </span><span·class="c1">%%·Mandatory·callback·functions</span><span·class="w"> | 322 | </span><span·class="c1">%%·Mandatory·callback·functions</span><span·class="w"> |
| 323 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id=" | 323 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id="4046293058-25">(</span><span·class="p">_</span><span·class="n">Reason</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">State</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·cl[·...·truncated·by·diffoscope;·len:·60,·SHA:·5294aa91a4926243bd771c6b72888ff0fdde7d36f0d2574e86237f8682416e8f·...·]-25">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 324 | ····</span><span·class="ss">void</span><span·class="p">.</span><span·class="w"> | 324 | ····</span><span·class="ss">void</span><span·class="p">.</span><span·class="w"> |
| 325 | </span><span·class="nf">code_change</span><span·class="p"·data-group-id=" | 325 | </span><span·class="nf">code_change</span><span·class="p"·data-group-id="4046293058-26">(</span><span·class="p">_</span><span·class="n">Vsn</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p">,</span><span·cl[·...·truncated·by·diffoscope;·len:·109,·SHA:·03090e79aab09c33e63cfdeaf009211b144ea98d111ad32024c83e4a8d10f9ae·...·]-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 326 | ····</span><span·class="p"·data-group-id=" | 326 | ····</span><span·class="p"·data-group-id="4046293058-27">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">State</span><span·class="p">,</span><span·class="n">Data</span><span·class="p"·data-group-id="4046293058-27">}</span><span·class="p">.</span><span·class="w"> |
| 327 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 327 | </span><span·class="nf">init</span><span·class="p"·data-group-id="4046293058-28">(</span><span·class="p"·data-group-id="4046293058-29">[</span><span·class="p"·data-group-id="4046293058-29">]</span><span·class="p"·data-group-id="4046293058-28">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 328 | ····</span><span·class="c1">%%·Set·the·initial·state·+·data.··Data·is·used·only·as·a·counter.</span><span·class="w"> | 328 | ····</span><span·class="c1">%%·Set·the·initial·state·+·data.··Data·is·used·only·as·a·counter.</span><span·class="w"> |
| 329 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">off</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> | 329 | ····</span><span·class="n">State</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">off</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 330 | ····</span><span·class="p"·data-group-id=" | 330 | ····</span><span·class="p"·data-group-id="4046293058-30">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">State</span><span·class="p">,</span><span·class="n">Data</span><span·class="p"·data-group-id="4046293058-30">}</span><span·class="p">.</span><span·class="w"> |
| 331 | </span><span·class="nf">callback_mode</span><span·class="p"·data-group-id=" | 331 | </span><span·class="nf">callback_mode</span><span·class="p"·data-group-id="4046293058-31">(</span><span·class="p"·data-group-id="4046293058-31">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">state_functions</span><span·class="p">.</span><span·class="w"> |
| 332 | </span><span·class="c1">%%%·state·callback(s)</span><span·class="w"> | 332 | </span><span·class="c1">%%%·state·callback(s)</span><span·class="w"> |
| 333 | </span><span·class="nf">off</span><span·class="p"·data-group-id=" | 333 | </span><span·class="nf">off</span><span·class="p"·data-group-id="4046293058-32">(</span><span·class="p"·data-group-id="4046293058-33">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="n">From</span><span·class="p"·data-group-id="4046293058-33">}</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·146,·SHA:·6a05c1c2518bcd016832c903a78f41e98fa3964ebb31880777c0126fa8e74945·...·]-32">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 334 | ····</span><span·class="c1">%%·Go·to·'on',·increment·count·and·reply</span><span·class="w"> | 334 | ····</span><span·class="c1">%%·Go·to·'on',·increment·count·and·reply</span><span·class="w"> |
| 335 | ····</span><span·class="c1">%%·that·the·resulting·status·is·'on'</span><span·class="w"> | 335 | ····</span><span·class="c1">%%·that·the·resulting·status·is·'on'</span><span·class="w"> |
| 336 | ····</span><span·class="p"·data-group-id=" | 336 | ····</span><span·class="p"·data-group-id="4046293058-34">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="ss">on</span><span·class="p">,</span><span·class="n">Data</span><span·class="o">+</span><span·class="mi">1</span><span·class="p">,</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·362,·SHA:·ae6114952cbd44070152c1daa491149ff1c38c92fc040775e106320e411c7a68·...·]-34">}</span><span·class="p">;</span><span·class="w"> |
| 337 | </span><span·class="nf">off</span><span·class="p"·data-group-id=" | 337 | </span><span·class="nf">off</span><span·class="p"·data-group-id="4046293058-37">(</span><span·class="n">EventType</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EventContent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="4046293058-37">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 338 | ····</span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 338 | ····</span><span·class="nf">handle_event</span><span·class="p"·data-group-id="4046293058-38">(</span><span·class="n">EventType</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EventContent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="4046293058-38">)</span><span·class="p">.</span><span·class="w"> |
| 339 | </span><span·class="nf">on</span><span·class="p"·data-group-id=" | 339 | </span><span·class="nf">on</span><span·class="p"·data-group-id="4046293058-39">(</span><span·class="p"·data-group-id="4046293058-40">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="n">From</span><span·class="p"·data-group-id="4046293058-40">}</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·146,·SHA:·6a05c1c2518bcd016832c903a78f41e98fa3964ebb31880777c0126fa8e74945·...·]-39">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 340 | ····</span><span·class="c1">%%·Go·to·'off'·and·reply·that·the·resulting·status·is·'off'</span><span·class="w"> | 340 | ····</span><span·class="c1">%%·Go·to·'off'·and·reply·that·the·resulting·status·is·'off'</span><span·class="w"> |
| 341 | ····</span><span·class="p"·data-group-id=" | 341 | ····</span><span·class="p"·data-group-id="4046293058-41">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="ss">off</span><span·class="p">,</span><span·class="n">Data</span><span·class="p">,</span><span·class="p"·data-group-id="4046293058-42">[</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·315,·SHA:·eac012330d56c712ec872d6ee7809cd1620b1e5e9d7f4708edad7a52a831eb25·...·]-41">}</span><span·class="p">;</span><span·class="w"> |
| 342 | </span><span·class="nf">on</span><span·class="p"·data-group-id=" | 342 | </span><span·class="nf">on</span><span·class="p"·data-group-id="4046293058-44">(</span><span·class="n">EventType</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EventContent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="4046293058-44">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 343 | ····</span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 343 | ····</span><span·class="nf">handle_event</span><span·class="p"·data-group-id="4046293058-45">(</span><span·class="n">EventType</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EventContent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="4046293058-45">)</span><span·class="p">.</span><span·class="w"> |
| 344 | </span><span·class="c1">%%·Handle·events·common·to·all·states</span><span·class="w"> | 344 | </span><span·class="c1">%%·Handle·events·common·to·all·states</span><span·class="w"> |
| 345 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 345 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id="4046293058-46">(</span><span·class="p"·data-group-id="4046293058-47">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="n">From</span><span·class="p"·data-group-id="4046293058-47">}</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·151,·SHA:·bfb200d6b6e12b53a665f329c6adf677e1fd7bb7e72e1ac0e989d7725aaaf1dc·...·]-46">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 346 | ····</span><span·class="c1">%%·Reply·with·the·current·count</span><span·class="w"> | 346 | ····</span><span·class="c1">%%·Reply·with·the·current·count</span><span·class="w"> |
| 347 | ····</span><span·class="p"·data-group-id=" | 347 | ····</span><span·class="p"·data-group-id="4046293058-48">{</span><span·class="ss">keep_state</span><span·class="p">,</span><span·class="n">Data</span><span·class="p">,</span><span·class="p"·data-group-id="4046293058-49">[</span><span·class="p"·data-group-id="4046293058-50">{</span><span·class="ss"[·...·truncated·by·diffoscope;·len:·264,·SHA:·15e66b96feefd9f6ac106e3c78851bdb256680f207c03b9262d433a93aa9bc46·...·]-48">}</span><span·class="p">;</span><span·class="w"> |
| 348 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 348 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id="4046293058-51">(</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="4046293058-51">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 349 | ····</span><span·class="c1">%%·Ignore·all·other·events</span><span·class="w"> | 349 | ····</span><span·class="c1">%%·Ignore·all·other·events</span><span·class="w"> |
| 350 | ····</span><span·class="p"·data-group-id=" | 350 | ····</span><span·class="p"·data-group-id="4046293058-52">{</span><span·class="ss">keep_state</span><span·class="p">,</span><span·class="n">Data</span><span·class="p"·data-group-id="4046293058-52">}</span><span·class="p">.</span></code></pre><p>The·following·is·a·shell·session·when·running·it:</p><[·...·truncated·by·diffoscope;·len:·271,·SHA:·d3c6f3c145d6d80bca2df7c78ed95a15f6008e0bc2b5b437ce1b6543d16320b5·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 351 | </span><span·class="p"·data-group-id=" | 351 | </span><span·class="p"·data-group-id="9816592830-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.36</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="9816592830-2">}</span><span·class="gp·unselectable"> |
| 352 | 2>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">get_count</span><span·class="p"·data-group-id=" | 352 | 2>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">get_count</span><span·class="p"·data-group-id="9816592830-3">(</span><span·class="p"·data-group-id="9816592830-3">)</span><span·class="p">.</span><span·class="w"> |
| 353 | </span><span·class="mi">0</span><span·class="gp·unselectable"> | 353 | </span><span·class="mi">0</span><span·class="gp·unselectable"> |
| 354 | 3>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">push</span><span·class="p"·data-group-id=" | 354 | 3>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">push</span><span·class="p"·data-group-id="9816592830-4">(</span><span·class="p"·data-group-id="9816592830-4">)</span><span·class="p">.</span><span·class="w"> |
| 355 | </span><span·class="ss">on</span><span·class="gp·unselectable"> | 355 | </span><span·class="ss">on</span><span·class="gp·unselectable"> |
| 356 | 4>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">get_count</span><span·class="p"·data-group-id=" | 356 | 4>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">get_count</span><span·class="p"·data-group-id="9816592830-5">(</span><span·class="p"·data-group-id="9816592830-5">)</span><span·class="p">.</span><span·class="w"> |
| 357 | </span><span·class="mi">1</span><span·class="gp·unselectable"> | 357 | </span><span·class="mi">1</span><span·class="gp·unselectable"> |
| 358 | 5>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">push</span><span·class="p"·data-group-id=" | 358 | 5>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">push</span><span·class="p"·data-group-id="9816592830-6">(</span><span·class="p"·data-group-id="9816592830-6">)</span><span·class="p">.</span><span·class="w"> |
| 359 | </span><span·class="ss">off</span><span·class="gp·unselectable"> | 359 | </span><span·class="ss">off</span><span·class="gp·unselectable"> |
| 360 | 6>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">get_count</span><span·class="p"·data-group-id=" | 360 | 6>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">get_count</span><span·class="p"·data-group-id="9816592830-7">(</span><span·class="p"·data-group-id="9816592830-7">)</span><span·class="p">.</span><span·class="w"> |
| 361 | </span><span·class="mi">1</span><span·class="gp·unselectable"> | 361 | </span><span·class="mi">1</span><span·class="gp·unselectable"> |
| 362 | 7>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 362 | 7>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="9816592830-8">(</span><span·class="p"·data-group-id="9816592830-8">)</span><span·class="p">.</span><span·class="w"> |
| 363 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 363 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 364 | 8>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">push</span><span·class="p"·data-group-id=" | 364 | 8>·</span><span·class="nc">pushbutton</span><span·class="p">:</span><span·class="nf">push</span><span·class="p"·data-group-id="9816592830-9">(</span><span·class="p"·data-group-id="9816592830-9">)</span><span·class="p">.</span><span·class="w"> |
| 365 | </span><span·class="gt">**·exception·exit:·{noproc,{gen_statem,call,[pushbutton_statem,push,infinity]}} | 365 | </span><span·class="gt">**·exception·exit:·{noproc,{gen_statem,call,[pushbutton_statem,push,infinity]}} |
| 366 | ·····in·function··gen:do_for_proc/2·(gen.erl,·line·261) | 366 | ·····in·function··gen:do_for_proc/2·(gen.erl,·line·261) |
| 367 | ·····in·call·from·gen_statem:call/3·(gen_statem.erl,·line·386)</span></code></pre><p>To·compare·styles,·here·follows·the·same·example·using | 367 | ·····in·call·from·gen_statem:call/3·(gen_statem.erl,·line·386)</span></code></pre><p>To·compare·styles,·here·follows·the·same·example·using |
| 368 | <a·href="#t:callback_mode/0"><em>callback·mode</em></a>·<code·class="inline">handle_event_function</code>, | 368 | <a·href="#t:callback_mode/0"><em>callback·mode</em></a>·<code·class="inline">handle_event_function</code>, |
| 369 | or·rather,·the·code·to·replace·after·function·<a·href="#c:init/1"><code·class="inline">init/1</code></a> | 369 | or·rather,·the·code·to·replace·after·function·<a·href="#c:init/1"><code·class="inline">init/1</code></a> |
| 370 | of·the·<code·class="inline">pushbutton.erl</code>·example·file·above:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">callback_mode</span><span·class="p"·data-group-id=" | 370 | of·the·<code·class="inline">pushbutton.erl</code>·example·file·above:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">callback_mode</span><span·class="p"·data-group-id="7071466083-1">(</span><span·class="p"·data-group-id="7071466083-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">handle_event_function</span><span·class="p">.</span><span·class="w"> |
| 371 | </span><span·class="c1">%%%·state·callback(s)</span><span·class="w"> | 371 | </span><span·class="c1">%%%·state·callback(s)</span><span·class="w"> |
| 372 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 372 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id="7071466083-2">(</span><span·class="p"·data-group-id="7071466083-3">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="n">From</span><span·class="p"·data-group-id="7071466083-3">}</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·218,·SHA:·7cd240ac2cca1de2f6f1cdfd5818fcb53363c5a4884454101bd645620f55c64a·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 373 | ····</span><span·class="c1">%%·Go·to·'on',·increment·count·and·reply</span><span·class="w"> | 373 | ····</span><span·class="c1">%%·Go·to·'on',·increment·count·and·reply</span><span·class="w"> |
| 374 | ····</span><span·class="c1">%%·that·the·resulting·status·is·'on'</span><span·class="w"> | 374 | ····</span><span·class="c1">%%·that·the·resulting·status·is·'on'</span><span·class="w"> |
| 375 | ····</span><span·class="p"·data-group-id=" | 375 | ····</span><span·class="p"·data-group-id="7071466083-4">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="ss">on</span><span·class="p">,</span><span·class="n">Data</span><span·class="o">+</span><span·class="mi">1</span><span·class="p">,</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·357,·SHA:·0881f5ef905c75d375ebbd3ca0783320a0bc72e46307371537b8099412405692·...·]-4">}</span><span·class="p">;</span><span·class="w"> |
| 376 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 376 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id="7071466083-7">(</span><span·class="p"·data-group-id="7071466083-8">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="n">From</span><span·class="p"·data-group-id="7071466083-8">}</span><span·class="p">,</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·217,·SHA:·e38c6319b56716e733bbaf81adc40ee03fbbf9f1fef4aed226e82f74719f467a·...·]-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 377 | ····</span><span·class="c1">%%·Go·to·'off'·and·reply·that·the·resulting·status·is·'off'</span><span·class="w"> | 377 | ····</span><span·class="c1">%%·Go·to·'off'·and·reply·that·the·resulting·status·is·'off'</span><span·class="w"> |
| 378 | ····</span><span·class="p"·data-group-id=" | 378 | ····</span><span·class="p"·data-group-id="7071466083-9">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="ss">off</span><span·class="p">,</span><span·class="n">Data</span><span·class="p">,</span><span·class="p"·data-group-id="7071466083-10">[</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·314,·SHA:·e33313ef22b3cb99aa6f42f75a15543f5be6f1426605606fff1767022b9dad0e·...·]-9">}</span><span·class="p">;</span><span·class="w"> |
| 379 | </span><span·class="c1">%%</span><span·class="w"> | 379 | </span><span·class="c1">%%</span><span·class="w"> |
| 380 | </span><span·class="c1">%%·Event·handling·common·to·all·states</span><span·class="w"> | 380 | </span><span·class="c1">%%·Event·handling·common·to·all·states</span><span·class="w"> |
| 381 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 381 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id="7071466083-12">(</span><span·class="p"·data-group-id="7071466083-13">{</span><span·class="ss">call</span><span·class="p">,</span><span·class="n">From</span><span·class="p"·data-group-id="7071466083-13">}</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·227,·SHA:·1604b84979fa82822f3666bc73777b0ceb44acbdfe9cb363e95af6047b3b4fba·...·]-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 382 | ····</span><span·class="c1">%%·Reply·with·the·current·count</span><span·class="w"> | 382 | ····</span><span·class="c1">%%·Reply·with·the·current·count</span><span·class="w"> |
| 383 | ····</span><span·class="p"·data-group-id=" | 383 | ····</span><span·class="p"·data-group-id="7071466083-14">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="n">State</span><span·class="p">,</span><span·class="n">Data</span><span·class="p">,</span><span·class="p"·data-group-id="7071466083-15">[</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·316,·SHA:·0b45be6d3ac8be8cfcb40448882ead505c061fcc5703220de261e87884fa6b8b·...·]-14">}</span><span·class="p">;</span><span·class="w"> |
| 384 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 384 | </span><span·class="nf">handle_event</span><span·class="p"·data-group-id="7071466083-17">(</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p">,</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·55,·SHA:·7b06edb38c874d1dc6a28c37bef1a8617f35a023c2ef51bb1c2d22fac8050bc3·...·]-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 385 | ····</span><span·class="c1">%%·Ignore·all·other·events</span><span·class="w"> | 385 | ····</span><span·class="c1">%%·Ignore·all·other·events</span><span·class="w"> |
| 386 | ····</span><span·class="p"·data-group-id=" | 386 | ····</span><span·class="p"·data-group-id="7071466083-18">{</span><span·class="ss">next_state</span><span·class="p">,</span><span·class="n">State</span><span·class="p">,</span><span·class="n">Data</span><span·class="p"·data-group-id="7071466083-18">}</span><span·class="p">.</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><h2·id="module-api-changes"·class="section-heading"> |
| 387 | ··<a·href="#module-api-changes"·class="hover-link"> | 387 | ··<a·href="#module-api-changes"·class="hover-link"> |
| 388 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 388 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 389 | ··</a> | 389 | ··</a> |
| 390 | ··<span·class="text">API·changes</span> | 390 | ··<span·class="text">API·changes</span> |
| 391 | </h2> | 391 | </h2> |
| 392 | <ul><li>This·behavior·appeared·in·Erlang/OTP·19.0·as·experimental.</li><li>In·OTP·19.1·a·backwards·incompatible·change·of·the·return·tuple·from | 392 | <ul><li>This·behavior·appeared·in·Erlang/OTP·19.0·as·experimental.</li><li>In·OTP·19.1·a·backwards·incompatible·change·of·the·return·tuple·from |
| 393 | <a·href="#c:init/1"><code·class="inline">Module:init/1</code></a>·was·made, | 393 | <a·href="#c:init/1"><code·class="inline">Module:init/1</code></a>·was·made, |
| Offset 3083, 23 lines modified | Offset 3083, 23 lines modified | ||
| 3083 | return·value·and·how·its·status·appears·in·termination·error·logs, | 3083 | return·value·and·how·its·status·appears·in·termination·error·logs, |
| 3084 | exports·an·instance·of·<a·href="#c:format_status/1"><code·class="inline">Module:format_status/1</code></a>, | 3084 | exports·an·instance·of·<a·href="#c:format_status/1"><code·class="inline">Module:format_status/1</code></a>, |
| 3085 | which·will·get·a·map·<code·class="inline">Status</code>·that·describes·the·current·state | 3085 | which·will·get·a·map·<code·class="inline">Status</code>·that·describes·the·current·state |
| 3086 | of·the·<code·class="inline">gen_statem</code>,·and·shall·return·a·map·<code·class="inline">NewStatus</code> | 3086 | of·the·<code·class="inline">gen_statem</code>,·and·shall·return·a·map·<code·class="inline">NewStatus</code> |
| 3087 | containing·the·same·keys·as·the·input·map, | 3087 | containing·the·same·keys·as·the·input·map, |
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| 185 | ······<p·class="built-using"> | 185 | ······<p·class="built-using"> |
| 186 | ········Built·using | 186 | ········Built·using |
| 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 189 | ······</p> | 189 | ······</p> |
| 190 | <p>Copyright·©·1996-202 | 190 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 191 | ····</footer> | 191 | ····</footer> |
| 192 | ··</div> | 192 | ··</div> |
| 193 | </main> | 193 | </main> |
| 194 | </div> | 194 | </div> |
| 195 | <script> | 195 | <script> |
| 196 | ··function·mermaidLoaded()·{ | 196 | ··function·mermaidLoaded()·{ |
| 197 | ····mermaid.initialize({ | 197 | ····mermaid.initialize({ |
| Offset 998, 16 lines modified | Offset 998, 16 lines modified | ||
| 998 | <p>Tries·to·read·<code·class="inline">String</code>·in·accordance·with·the·control·sequences·in·<code·class="inline">Format</code>.</p><p>For·a·detailed·description·of·the·available·formatting·options,·see·<a·href="io.html#fread/3"><code·class="inline">io:fread/3</code></a>. | 998 | <p>Tries·to·read·<code·class="inline">String</code>·in·accordance·with·the·control·sequences·in·<code·class="inline">Format</code>.</p><p>For·a·detailed·description·of·the·available·formatting·options,·see·<a·href="io.html#fread/3"><code·class="inline">io:fread/3</code></a>. |
| 999 | It·is·assumed·that·<code·class="inline">String</code>·contains·whole·lines.</p><p>The·function·returns:</p><ul><li><p><strong><code·class="inline">{ok,·InputList,·LeftOverChars}</code></strong>·-·The·string·was·read.·<code·class="inline">InputList</code>·is·the | 999 | It·is·assumed·that·<code·class="inline">String</code>·contains·whole·lines.</p><p>The·function·returns:</p><ul><li><p><strong><code·class="inline">{ok,·InputList,·LeftOverChars}</code></strong>·-·The·string·was·read.·<code·class="inline">InputList</code>·is·the |
| 1000 | list·of·successfully·matched·and·read·items,·and·<code·class="inline">LeftOverChars</code>·are·the·input | 1000 | list·of·successfully·matched·and·read·items,·and·<code·class="inline">LeftOverChars</code>·are·the·input |
| 1001 | characters·not·used.</p></li><li><p><strong><code·class="inline">{more,·RestFormat,·Nchars,·InputStack}</code></strong>·-·The·string·was·read,·but·more | 1001 | characters·not·used.</p></li><li><p><strong><code·class="inline">{more,·RestFormat,·Nchars,·InputStack}</code></strong>·-·The·string·was·read,·but·more |
| 1002 | input·is·needed·to·complete·the·original·format·string.·<code·class="inline">RestFormat</code>·is·the | 1002 | input·is·needed·to·complete·the·original·format·string.·<code·class="inline">RestFormat</code>·is·the |
| 1003 | remaining·format·string,·<code·class="inline">Nchars</code>·is·the·number·of·characters·scanned,·and | 1003 | remaining·format·string,·<code·class="inline">Nchars</code>·is·the·number·of·characters·scanned,·and |
| 1004 | <code·class="inline">InputStack</code>·is·the·reversed·list·of·inputs·matched·up·to·that·point.</p></li><li><p><strong><code·class="inline">{error,·What}</code></strong>·-·The·read·operation·failed·and·parameter·<code·class="inline">What</code>·gives·a | 1004 | <code·class="inline">InputStack</code>·is·the·reversed·list·of·inputs·matched·up·to·that·point.</p></li><li><p><strong><code·class="inline">{error,·What}</code></strong>·-·The·read·operation·failed·and·parameter·<code·class="inline">What</code>·gives·a |
| 1005 | hint·about·the·error.</p></li></ul><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">fread</span><span·class="p"·data-group-id=" | 1005 | hint·about·the·error.</p></li></ul><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">fread</span><span·class="p"·data-group-id="4343766001-1">(</span><span·class="s">"~f~f~f"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"15.6·17.3e-6·24.5"</span><span·class="p"·data-group-id="4343766001-1">)</span><span·class="p">.</span><span·class="w"> |
| 1006 | </span><span·class="p"·data-group-id=" | 1006 | </span><span·class="p"·data-group-id="4343766001-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="4343766001-3">[</span><span·class="mf">15.6</span><span·class="p">,</span><span·class="mf">1.73e-5</span><span·class="p">,</span><span·class="mf">24.5</s[·...·truncated·by·diffoscope;·len:·228,·SHA:·ce31b676625c01e86dacf529a2c6c319f23f2eec5f9c0e449f2b8445d2c72729·...·]-2">}</span></code></pre> |
| 1007 | ··</section> | 1007 | ··</section> |
| 1008 | </section> | 1008 | </section> |
| 1009 | <section·class="detail"·id="fread/3"> | 1009 | <section·class="detail"·id="fread/3"> |
| 1010 | ··<div·class="detail-header"> | 1010 | ··<div·class="detail-header"> |
| 1011 | ····<a·href="#fread/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1011 | ····<a·href="#fread/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1012 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1012 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1474, 19 lines modified | Offset 1474, 19 lines modified | ||
| 1474 | ······</div> | 1474 | ······</div> |
| 1475 | <p>Returns·a·character·list·that·represents·<code·class="inline">Term</code>.·Option·<code·class="inline">Depth</code>·controls·the | 1475 | <p>Returns·a·character·list·that·represents·<code·class="inline">Term</code>.·Option·<code·class="inline">Depth</code>·controls·the |
| 1476 | depth·of·the·structures·written.</p><p>When·the·specified·depth·is·reached,·everything·below·this·level·is·replaced·by | 1476 | depth·of·the·structures·written.</p><p>When·the·specified·depth·is·reached,·everything·below·this·level·is·replaced·by |
| 1477 | "<code·class="inline">...</code>".</p><p><code·class="inline">Depth</code>·defaults·to·-1,·which·means·no·limitation.·Option·<code·class="inline">CharsLimit</code>·puts·a | 1477 | "<code·class="inline">...</code>".</p><p><code·class="inline">Depth</code>·defaults·to·-1,·which·means·no·limitation.·Option·<code·class="inline">CharsLimit</code>·puts·a |
| 1478 | soft·limit·on·the·number·of·characters·returned.·When·the·number·of·characters·is | 1478 | soft·limit·on·the·number·of·characters·returned.·When·the·number·of·characters·is |
| 1479 | reached,·remaining·structures·are·replaced·by·"<code·class="inline">...</code>".·<code·class="inline">CharsLimit</code>·defaults·to·-1, | 1479 | reached,·remaining·structures·are·replaced·by·"<code·class="inline">...</code>".·<code·class="inline">CharsLimit</code>·defaults·to·-1, |
| 1480 | which·means·no·limit·on·the·number·of·characters·returned.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="44 | 1480 | which·means·no·limit·on·the·number·of·characters·returned.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="4741602300-1">(</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="4741602300-2">(</span><span·class="p"·data-group-id="4741602300-3">{</span><span·class="mi">1</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·836,·SHA:·78aab48f34fe431db0fa9327c1f79a606ac53509f056ddbe99dfde0ebde22fbf·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1481 | </span><span·class="s">"{1,[2],[3],[4,5],6,7,8,9}"</span><span·class="gp·unselectable"> | 1481 | </span><span·class="s">"{1,[2],[3],[4,5],6,7,8,9}"</span><span·class="gp·unselectable"> |
| 1482 | 2>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="44 | 1482 | 2>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="4741602300-7">(</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="4741602300-8">(</span><span·class="p"·data-group-id="4741602300-9">{</span><span·class="mi">1</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·915,·SHA:·bd1a084cf720974d4b965471a0eb61a6b38ff34babdfdfe407303a849502bdc5·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 1483 | </span><span·class="s">"{1,[2],[3],[...],...}"</span><span·class="gp·unselectable"> | 1483 | </span><span·class="s">"{1,[2],[3],[...],...}"</span><span·class="gp·unselectable"> |
| 1484 | 3>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="44 | 1484 | 3>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="4741602300-13">(</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="4741602300-14">(</span><span·class="p"·data-group-id="4741602300-15">{</span><span·class="p"·data-group-id="4741602300-1[·...·truncated·by·diffoscope;·len:·1088,·SHA:·2c676de1b2a9f16026118e102de7935bff13a7a6009ab3d2cb34055b3ef8b645·...·]-13">)</span><span·class="p">.</span><span·class="w"> |
| 1485 | </span><span·class="s">"{[1,2|...],[4|...],...}"</span></code></pre> | 1485 | </span><span·class="s">"{[1,2|...],[4|...],...}"</span></code></pre> |
| 1486 | ··</section> | 1486 | ··</section> |
| 1487 | </section> | 1487 | </section> |
| 1488 | <section·class="detail"·id="write_atom/1"> | 1488 | <section·class="detail"·id="write_atom/1"> |
| 1489 | ··<div·class="detail-header"> | 1489 | ··<div·class="detail-header"> |
| 1490 | ····<a·href="#write_atom/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1490 | ····<a·href="#write_atom/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1731, 15 lines modified | Offset 1731, 15 lines modified | ||
| 1731 | ······<p·class="built-using"> | 1731 | ······<p·class="built-using"> |
| 1732 | ········Built·using | 1732 | ········Built·using |
| 1733 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1733 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1734 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1734 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1735 | ······</p> | 1735 | ······</p> |
| 1736 | <p>Copyright·©·1996-202 | 1736 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1737 | ····</footer> | 1737 | ····</footer> |
| 1738 | ··</div> | 1738 | ··</div> |
| 1739 | </main> | 1739 | </main> |
| 1740 | </div> | 1740 | </div> |
| 1741 | <script> | 1741 | <script> |
| 1742 | ··function·mermaidLoaded()·{ | 1742 | ··function·mermaidLoaded()·{ |
| 1743 | ····mermaid.initialize({ | 1743 | ····mermaid.initialize({ |
| Offset 142, 16 lines modified | Offset 142, 16 lines modified | ||
| 142 | I/O·server·communicates·with.</p><h2·id="protocol-basics"·class="section-heading"> | 142 | I/O·server·communicates·with.</p><h2·id="protocol-basics"·class="section-heading"> |
| 143 | ··<a·href="#protocol-basics"·class="hover-link"> | 143 | ··<a·href="#protocol-basics"·class="hover-link"> |
| 144 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 144 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 145 | ··</a> | 145 | ··</a> |
| 146 | ··<span·class="text">Protocol·Basics</span> | 146 | ··<span·class="text">Protocol·Basics</span> |
| 147 | </h2> | 147 | </h2> |
| 148 | <p>As·described·in·Robert's·paper,·I/O·servers·and·clients·communicate·using | 148 | <p>As·described·in·Robert's·paper,·I/O·servers·and·clients·communicate·using |
| 149 | <code·class="inline">io_request</code>/<code·class="inline">io_reply</code>·tuples·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 149 | <code·class="inline">io_request</code>/<code·class="inline">io_reply</code>·tuples·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9970305108-1">{</span><span·class="ss">io_request</span><span·class="p">,</span><span·class="w">·</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ReplyAs</span><span·class="p">,</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·72,·SHA:·706209438e1e40825cb090bd5ce821a13548dee480e6eaf930133a4344858fe9·...·]-1">}</span><span·class="w"> |
| 150 | </span><span·class="p"·data-group-id=" | 150 | </span><span·class="p"·data-group-id="9970305108-2">{</span><span·class="ss">io_reply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ReplyAs</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reply</span><span·class="p"·data-group-id="9970305108-2">}</span></code></pre><p>The·client·sends·an·<code·class="inline">io_request</code>·tuple·to·the·I/O·server·and·the·server |
| 151 | eventually·sends·a·corresponding·<code·class="inline">io_reply</code>·tuple.</p><ul><li><p><code·class="inline">From</code>·is·the·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0"><code·class="inline">pid/0</code></a>·of·the·client,·the·process·which·the·I/O·server·sends | 151 | eventually·sends·a·corresponding·<code·class="inline">io_reply</code>·tuple.</p><ul><li><p><code·class="inline">From</code>·is·the·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0"><code·class="inline">pid/0</code></a>·of·the·client,·the·process·which·the·I/O·server·sends |
| 152 | the·I/O·reply·to.</p></li><li><p><code·class="inline">ReplyAs</code>·can·be·any·datum·and·is·returned·in·the·corresponding·<code·class="inline">io_reply</code>. | 152 | the·I/O·reply·to.</p></li><li><p><code·class="inline">ReplyAs</code>·can·be·any·datum·and·is·returned·in·the·corresponding·<code·class="inline">io_reply</code>. |
| 153 | The·<a·href="io.html"><code·class="inline">io</code></a>·module·monitors·the·I/O·server·and·uses·the·monitor·reference·as | 153 | The·<a·href="io.html"><code·class="inline">io</code></a>·module·monitors·the·I/O·server·and·uses·the·monitor·reference·as |
| 154 | the·<code·class="inline">ReplyAs</code>·datum.·A·more·complicated·client·can·have·many·outstanding·I/O | 154 | the·<code·class="inline">ReplyAs</code>·datum.·A·more·complicated·client·can·have·many·outstanding·I/O |
| 155 | requests·to·the·same·I/O·server·and·can·use·different·references·(or·something | 155 | requests·to·the·same·I/O·server·and·can·use·different·references·(or·something |
| 156 | else)·to·differentiate·among·the·incoming·I/O·replies.·Element·<code·class="inline">ReplyAs</code>·is·to | 156 | else)·to·differentiate·among·the·incoming·I/O·replies.·Element·<code·class="inline">ReplyAs</code>·is·to |
| 157 | be·considered·opaque·by·the·I/O·server.</p><p>Notice·that·the·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0"><code·class="inline">pid/0</code></a>·of·the·I/O·server·is·not·explicitly·present·in·tuple | 157 | be·considered·opaque·by·the·I/O·server.</p><p>Notice·that·the·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:pid/0"><code·class="inline">pid/0</code></a>·of·the·I/O·server·is·not·explicitly·present·in·tuple |
| Offset 160, 16 lines modified | Offset 160, 16 lines modified | ||
| 160 | part·and·eventually·sends·an·<code·class="inline">io_reply</code>·tuple·with·the·corresponding·<code·class="inline">Reply</code> | 160 | part·and·eventually·sends·an·<code·class="inline">io_reply</code>·tuple·with·the·corresponding·<code·class="inline">Reply</code> |
| 161 | part.</p><h2·id="output-requests"·class="section-heading"> | 161 | part.</p><h2·id="output-requests"·class="section-heading"> |
| 162 | ··<a·href="#output-requests"·class="hover-link"> | 162 | ··<a·href="#output-requests"·class="hover-link"> |
| 163 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 163 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 164 | ··</a> | 164 | ··</a> |
| 165 | ··<span·class="text">Output·Requests</span> | 165 | ··<span·class="text">Output·Requests</span> |
| 166 | </h2> | 166 | </h2> |
| 167 | <p>To·output·characters·on·an·I/O·device,·the·following·<code·class="inline">Request</code>s·exist:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5 | 167 | <p>To·output·characters·on·an·I/O·device,·the·following·<code·class="inline">Request</code>s·exist:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5044354215-1">{</span><span·class="ss">put_chars</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Encoding</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Characters</span><span·class="p"·data-group-id="5044354215-1">}</span><span·class="w"> |
| 168 | </span><span·class="p"·data-group-id="5 | 168 | </span><span·class="p"·data-group-id="5044354215-2">{</span><span·class="ss">put_chars</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Encoding</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·149,·SHA:·df1932a1cbe0705264cb32db1d2f212f828693d2641b953260cfbe0ba43c21a1·...·]-2">}</span></code></pre><ul><li><p><code·class="inline">Encoding</code>·is·<code·class="inline">unicode</code>·or·<code·class="inline">latin1</code>,·meaning·that·the·characters·are·(in·case |
| 169 | of·binaries)·encoded·as·UTF-8·or·ISO·Latin-1·(pure·bytes).·A·well-behaved·I/O | 169 | of·binaries)·encoded·as·UTF-8·or·ISO·Latin-1·(pure·bytes).·A·well-behaved·I/O |
| 170 | server·is·also·to·return·an·error·indication·if·list·elements·contain | 170 | server·is·also·to·return·an·error·indication·if·list·elements·contain |
| 171 | integers·>·255·when·<code·class="inline">Encoding</code>·is·set·to·<code·class="inline">latin1</code>.</p><p>Notice·that·this·does·not·in·any·way·tell·how·characters·are·to·be·put·on·the | 171 | integers·>·255·when·<code·class="inline">Encoding</code>·is·set·to·<code·class="inline">latin1</code>.</p><p>Notice·that·this·does·not·in·any·way·tell·how·characters·are·to·be·put·on·the |
| 172 | I/O·device·or·handled·by·the·I/O·server.·Different·I/O·servers·can·handle·the | 172 | I/O·device·or·handled·by·the·I/O·server.·Different·I/O·servers·can·handle·the |
| 173 | characters·however·they·want,·this·only·tells·the·I/O·server·which·format·the | 173 | characters·however·they·want,·this·only·tells·the·I/O·server·which·format·the |
| 174 | data·is·expected·to·have.·In·the·<code·class="inline">Module</code>/<code·class="inline">Function</code>/<code·class="inline">Args</code>·case,·<code·class="inline">Encoding</code> | 174 | data·is·expected·to·have.·In·the·<code·class="inline">Module</code>/<code·class="inline">Function</code>/<code·class="inline">Args</code>·case,·<code·class="inline">Encoding</code> |
| 175 | tells·which·format·the·designated·function·produces.</p><p>Notice·also·that·byte-oriented·data·is·simplest·sent·using·the·ISO·Latin-1 | 175 | tells·which·format·the·designated·function·produces.</p><p>Notice·also·that·byte-oriented·data·is·simplest·sent·using·the·ISO·Latin-1 |
| Offset 187, 15 lines modified | Offset 187, 15 lines modified | ||
| 187 | {error,·Error}</code></pre><ul><li><code·class="inline">Error</code>·describes·the·error·to·the·client,·which·can·do·whatever·it·wants·with | 187 | {error,·Error}</code></pre><ul><li><code·class="inline">Error</code>·describes·the·error·to·the·client,·which·can·do·whatever·it·wants·with |
| 188 | it.·The·<a·href="io.html"><code·class="inline">io</code></a>·module·typically·returns·it·"as·is".</li></ul><h2·id="input-requests"·class="section-heading"> | 188 | it.·The·<a·href="io.html"><code·class="inline">io</code></a>·module·typically·returns·it·"as·is".</li></ul><h2·id="input-requests"·class="section-heading"> |
| 189 | ··<a·href="#input-requests"·class="hover-link"> | 189 | ··<a·href="#input-requests"·class="hover-link"> |
| 190 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 190 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 191 | ··</a> | 191 | ··</a> |
| 192 | ··<span·class="text">Input·Requests</span> | 192 | ··<span·class="text">Input·Requests</span> |
| 193 | </h2> | 193 | </h2> |
| 194 | <p>To·read·characters·from·an·I/O·device,·the·following·<code·class="inline">Request</code>s·exist:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1 | 194 | <p>To·read·characters·from·an·I/O·device,·the·following·<code·class="inline">Request</code>s·exist:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="1978995678-1">{</span><span·class="ss">get_until</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Encoding</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Prompt</span><span·class="p">,</span><span·class="w">·</spa[·...·truncated·by·diffoscope;·len:·231,·SHA:·7ba3ed99e780449073306aea609de5f73e12f37311340fba2478854061b9664e·...·]-1">}</span></code></pre><ul><li><p><code·class="inline">Encoding</code>·denotes·how·data·is·to·be·sent·back·to·the·client·and·what·data·is |
| 195 | sent·to·the·function·denoted·by·<code·class="inline">Module</code>/<code·class="inline">Function</code>/<code·class="inline">ExtraArgs</code>.·If·the | 195 | sent·to·the·function·denoted·by·<code·class="inline">Module</code>/<code·class="inline">Function</code>/<code·class="inline">ExtraArgs</code>.·If·the |
| 196 | function·supplied·returns·data·as·a·list,·the·data·is·converted·to·this | 196 | function·supplied·returns·data·as·a·list,·the·data·is·converted·to·this |
| 197 | encoding.·If·the·function·supplied·returns·data·in·some·other·format,·no | 197 | encoding.·If·the·function·supplied·returns·data·in·some·other·format,·no |
| 198 | conversion·can·be·done,·and·it·is·up·to·the·client-supplied·function·to·return | 198 | conversion·can·be·done,·and·it·is·up·to·the·client-supplied·function·to·return |
| 199 | data·in·a·proper·way.</p><p>If·<code·class="inline">Encoding</code>·is·<code·class="inline">latin1</code>,·lists·of·integers·<code·class="inline">0..255</code>·or·binaries·containing | 199 | data·in·a·proper·way.</p><p>If·<code·class="inline">Encoding</code>·is·<code·class="inline">latin1</code>,·lists·of·integers·<code·class="inline">0..255</code>·or·binaries·containing |
| 200 | plain·bytes·are·sent·back·to·the·client·when·possible.·If·<code·class="inline">Encoding</code>·is | 200 | plain·bytes·are·sent·back·to·the·client·when·possible.·If·<code·class="inline">Encoding</code>·is |
| 201 | <code·class="inline">unicode</code>,·lists·with·integers·in·the·whole·Unicode·range·or·binaries·encoded | 201 | <code·class="inline">unicode</code>,·lists·with·integers·in·the·whole·Unicode·range·or·binaries·encoded |
| Offset 203, 47 lines modified | Offset 203, 47 lines modified | ||
| 203 | of·integers,·never·binaries,·but·the·list·can·contain·numbers·>·255·if | 203 | of·integers,·never·binaries,·but·the·list·can·contain·numbers·>·255·if |
| 204 | <code·class="inline">Encoding</code>·is·<code·class="inline">unicode</code>.</p></li><li><p><code·class="inline">Prompt</code>·is·a·list·of·characters·(not·mixed,·no·binaries)·or·an·atom·to·be | 204 | <code·class="inline">Encoding</code>·is·<code·class="inline">unicode</code>.</p></li><li><p><code·class="inline">Prompt</code>·is·a·list·of·characters·(not·mixed,·no·binaries)·or·an·atom·to·be |
| 205 | output·as·a·prompt·for·input·on·the·I/O·device.·<code·class="inline">Prompt</code>·is·often·ignored·by | 205 | output·as·a·prompt·for·input·on·the·I/O·device.·<code·class="inline">Prompt</code>·is·often·ignored·by |
| 206 | the·I/O·server;·if·set·to·<code·class="inline">''</code>,·it·is·always·to·be·ignored·(and·results·in | 206 | the·I/O·server;·if·set·to·<code·class="inline">''</code>,·it·is·always·to·be·ignored·(and·results·in |
| 207 | nothing·being·written·to·the·I/O·device).</p></li><li><p><code·class="inline">Module</code>,·<code·class="inline">Function</code>,·and·<code·class="inline">ExtraArgs</code>·denote·a·function·and·arguments·to | 207 | nothing·being·written·to·the·I/O·device).</p></li><li><p><code·class="inline">Module</code>,·<code·class="inline">Function</code>,·and·<code·class="inline">ExtraArgs</code>·denote·a·function·and·arguments·to |
| 208 | determine·when·enough·data·is·written.·The·function·is·to·take·two·more | 208 | determine·when·enough·data·is·written.·The·function·is·to·take·two·more |
| 209 | arguments,·the·last·state,·and·a·list·of·characters.·The·function·is·to·return | 209 | arguments,·the·last·state,·and·a·list·of·characters.·The·function·is·to·return |
| 210 | one·of:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0 | 210 | one·of:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="0088084026-1">{</span><span·class="ss">done</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Result</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RestChars</span><span·class="p"·data-group-id="0088084026-1">}</span><span·class="w"> |
| 211 | </span><span·class="p"·data-group-id="0 | 211 | </span><span·class="p"·data-group-id="0088084026-2">{</span><span·class="ss">more</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Continuation</span><span·class="p"·data-group-id="0088084026-2">}</span></code></pre><p><code·class="inline">Result</code>·can·be·any·Erlang·term,·but·if·it·is·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:list/0"><code·class="inline">list/0</code></a>,·the·I/O·server·can |
| 212 | convert·it·to·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0"><code·class="inline">binary/0</code></a>·of·appropriate·format·before·returning·it·to·the | 212 | convert·it·to·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0"><code·class="inline">binary/0</code></a>·of·appropriate·format·before·returning·it·to·the |
| 213 | client,·if·the·I/O·server·is·set·in·binary·mode·(see·below).</p><p>The·function·is·called·with·the·data·the·I/O·server·finds·on·its·I/O·device, | 213 | client,·if·the·I/O·server·is·set·in·binary·mode·(see·below).</p><p>The·function·is·called·with·the·data·the·I/O·server·finds·on·its·I/O·device, |
| 214 | returning·one·of:</p><ul><li><code·class="inline">{done,·Result,·RestChars}</code>·when·enough·data·is·read.·In·this·case·<code·class="inline">Result</code> | 214 | returning·one·of:</p><ul><li><code·class="inline">{done,·Result,·RestChars}</code>·when·enough·data·is·read.·In·this·case·<code·class="inline">Result</code> |
| 215 | is·sent·to·the·client·and·<code·class="inline">RestChars</code>·is·kept·in·the·I/O·server·as·a·buffer | 215 | is·sent·to·the·client·and·<code·class="inline">RestChars</code>·is·kept·in·the·I/O·server·as·a·buffer |
| 216 | for·later·input.</li><li><code·class="inline">{more,·Continuation}</code>,·which·indicates·that·more·characters·are·needed·to | 216 | for·later·input.</li><li><code·class="inline">{more,·Continuation}</code>,·which·indicates·that·more·characters·are·needed·to |
| 217 | complete·the·request.</li></ul><p><code·class="inline">Continuation</code>·is·sent·as·the·state·in·later·calls·to·the·function·when·more | 217 | complete·the·request.</li></ul><p><code·class="inline">Continuation</code>·is·sent·as·the·state·in·later·calls·to·the·function·when·more |
| 218 | characters·are·available.·When·no·more·characters·are·available,·the·function | 218 | characters·are·available.·When·no·more·characters·are·available,·the·function |
| 219 | must·return·<code·class="inline">{done,·eof,·Rest}</code>.·The·initial·state·is·the·empty·list.·The·data | 219 | must·return·<code·class="inline">{done,·eof,·Rest}</code>.·The·initial·state·is·the·empty·list.·The·data |
| 220 | when·an·end·of·file·is·reached·on·the·IO·device·is·the·atom·<code·class="inline">eof</code>.</p><p>An·emulation·of·the·<code·class="inline">get_line</code>·request·can·be·(inefficiently)·implemented | 220 | when·an·end·of·file·is·reached·on·the·IO·device·is·the·atom·<code·class="inline">eof</code>.</p><p>An·emulation·of·the·<code·class="inline">get_line</code>·request·can·be·(inefficiently)·implemented |
| 221 | using·the·following·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 221 | using·the·following·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="6353933042-1">(</span><span·class="ss">demo</span><span·class="p"·data-group-id="6353933042-1">)</span><span·class="p">.</span><span·class="w"> |
| 222 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 222 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6353933042-2">(</span><span·class="p"·data-group-id="6353933042-3">[</span><span·class="ss">until_newline</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">get_line</span><span·class="p"[·...·truncated·by·diffoscope;·len:·128,·SHA:·9e0cd360a752bcb3c9dab0b3db30eea660906ed76eba8cb9453c11b75693c6c0·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 223 | </span><span·class="nf">until_newline</span><span·class="p"·data-group-id=" | 223 | </span><span·class="nf">until_newline</span><span·class="p"·data-group-id="6353933042-4">(</span><span·class="p">_</span><span·class="n">ThisFar</span><span·class="p">,</span><span·class="ss">eof</span><span·class="p">,</span><span·class="p">_</span><span·class="n">MyStopCharacter</span><span·class="p"·data-group-id="6353933042-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 224 | ····</span><span·class="p"·data-group-id=" | 224 | ····</span><span·class="p"·data-group-id="6353933042-5">{</span><span·class="ss">done</span><span·class="p">,</span><span·class="ss">eof</span><span·class="p">,</span><span·class="p"·data-group-id="6353933042-6">[</span><span·class="p"·data-group-id="6353933042-6">]</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·566faf1f9348f7c3483e385dc334507bc6d80a5d7490aab52a79e4435a1c82fe·...·]-5">}</span><span·class="p">;</span><span·class="w"> |
| 225 | </span><span·class="nf">until_newline</span><span·class="p"·data-group-id=" | 225 | </span><span·class="nf">until_newline</span><span·class="p"·data-group-id="6353933042-7">(</span><span·class="n">ThisFar</span><span·class="p">,</span><span·class="n">CharList</span><span·class="p">,</span><span·class="n">MyStopCharacter</span><span·class="p"·data-group-id="6353933042-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 226 | ····</span><span·class="k">case</span><span·class="w"> | 226 | ····</span><span·class="k">case</span><span·class="w"> |
| 227 | ········</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">splitwith</span><span·class="p"·data-group-id=" | 227 | ········</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">splitwith</span><span·class="p"·data-group-id="6353933042-8">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="6353933042-9">(</span><span·class="n">X</span><span·class="p"·data-group-id="6353933042-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·306,·SHA:·54076d95632bbc1b6ec652417245fb165850b902b128efb0b4a1df1b17ffca75·...·]-8">)</span><span·class="w"> |
| 228 | ····</span><span·class="k">of</span><span·class="w"> | 228 | ····</span><span·class="k">of</span><span·class="w"> |
| 229 | ··</span><span·class="p"·data-group-id=" | 229 | ··</span><span·class="p"·data-group-id="6353933042-10">{</span><span·class="n">L</span><span·class="p">,</span><span·class="p"·data-group-id="6353933042-11">[</span><span·class="p"·data-group-id="6353933042-11">]</span><span·class="p"·data-group-id="6353933042-10">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 230 | ············</span><span·class="p"·data-group-id=" | 230 | ············</span><span·class="p"·data-group-id="6353933042-12">{</span><span·class="ss">more</span><span·class="p">,</span><span·class="n">ThisFar</span><span·class="o">++</span><span·class="n">L</span><span·class="p"·data-group-id="6353933042-12">}</span><span·class="p">;</span><span·class="w"> |
| 231 | ··</span><span·class="p"·data-group-id=" | 231 | ··</span><span·class="p"·data-group-id="6353933042-13">{</span><span·class="n">L2</span><span·class="p">,</span><span·class="p"·data-group-id="6353933042-14">[</span><span·class="n">MyStopCharacter</span><span·class="p">|</span><span·class="n">Rest</span><span·class="p"·data-group-id="6353933042[·...·truncated·by·diffoscope;·len:·54,·SHA:·bf0969e83216802f9569322135ec5bd1668e5d52c3abaa99e74dc7097d128a15·...·]-13">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ······</span><span·class="p"·data-group-id=" | 232 | ······</span><span·class="p"·data-group-id="6353933042-15">{</span><span·class="ss">done</span><span·class="p">,</span><span·class="n">ThisFar</span><span·class="o">++</span><span·class="n">L2</span><span·class="o">++</span><span·class="p"·data-group-id="6353933042-16">[</span><span·class="n">MyStop[·...·truncated·by·diffoscope;·len:·162,·SHA:·da844982213b7ec8eb61575c54bd17cd0aa8aeb5db01667932d01a5292f24456·...·]-15">}</span><span·class="w"> |
| 233 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 233 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 234 | </span><span·class="nf">get_line</span><span·class="p"·data-group-id=" | 234 | </span><span·class="nf">get_line</span><span·class="p"·data-group-id="6353933042-17">(</span><span·class="n">IoServer</span><span·class="p"·data-group-id="6353933042-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 235 | ····</span><span·class="n">IoServer</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 235 | ····</span><span·class="n">IoServer</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="6353933042-18">{</span><span·class="ss">io_request</span><span·class="p">,</span><span·class="w"> |
| 236 | ················</span><span·class="nf">self</span><span·class="p"·data-group-id=" | 236 | ················</span><span·class="nf">self</span><span·class="p"·data-group-id="6353933042-19">(</span><span·class="p"·data-group-id="6353933042-19">)</span><span·class="p">,</span><span·class="w"> |
| 237 | ················</span><span·class="n">IoServer</span><span·class="p">,</span><span·class="w"> | 237 | ················</span><span·class="n">IoServer</span><span·class="p">,</span><span·class="w"> |
| 238 | ················</span><span·class="p"·data-group-id=" | 238 | ················</span><span·class="p"·data-group-id="6353933042-20">{</span><span·class="ss">get_until</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">unicode</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">''</span><span·class="p">,</span><span·class="w"[·...·truncated·by·diffoscope;·len:·425,·SHA:·0c7574a9ab4e5e72383f0cb4f9cb3e9f90513abec36aeee0765a741464977738·...·]-18">}</span><span·class="p">,</span><span·class="w"> |
| 239 | ····</span><span·class="k">receive</span><span·class="w"> | 239 | ····</span><span·class="k">receive</span><span·class="w"> |
| 240 | ········</span><span·class="p"·data-group-id=" | 240 | ········</span><span·class="p"·data-group-id="6353933042-22">{</span><span·class="ss">io_reply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">IoServer</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="6353933042-22">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 241 | ······</span><span·class="n">Data</span><span·class="w"> | 241 | ······</span><span·class="n">Data</span><span·class="w"> |
| 242 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Notice·that·the·last·element·in·the·<code·class="inline">Request</code>·tuple·(<code·class="inline">[$\n]</code>)·is·appended·to | 242 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>Notice·that·the·last·element·in·the·<code·class="inline">Request</code>·tuple·(<code·class="inline">[$\n]</code>)·is·appended·to |
| 243 | the·argument·list·when·the·function·is·called.·The·function·is·to·be·called | 243 | the·argument·list·when·the·function·is·called.·The·function·is·to·be·called |
| 244 | like·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(Module,·Function,·[·State,·Data·|·ExtraArgs·])</code></a>·by | 244 | like·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(Module,·Function,·[·State,·Data·|·ExtraArgs·])</code></a>·by |
| 245 | the·I/O·server.</p></li></ul><p>A·fixed·number·of·characters·is·requested·using·the·following·<code·class="inline">Request</code>:</p><pre><code·class="text">{get_chars,·Encoding,·Prompt,·N}</code></pre><ul><li><code·class="inline">Encoding</code>·and·<code·class="inline">Prompt</code>·as·for·<code·class="inline">get_until</code>.</li><li><code·class="inline">N</code>·is·the·number·of·characters·to·be·read·from·the·I/O·device.</li></ul><p>A·single·line·(as·in·former·example)·is·requested·with·the·following·<code·class="inline">Request</code>:</p><pre><code·class="text">{get_line,·Encoding,·Prompt}</code></pre><ul><li><code·class="inline">Encoding</code>·and·<code·class="inline">Prompt</code>·as·for·<code·class="inline">get_until</code>.</li></ul><p>Clearly,·<code·class="inline">get_chars</code>·and·<code·class="inline">get_line</code>·could·be·implemented·with·the·<code·class="inline">get_until</code> | 245 | the·I/O·server.</p></li></ul><p>A·fixed·number·of·characters·is·requested·using·the·following·<code·class="inline">Request</code>:</p><pre><code·class="text">{get_chars,·Encoding,·Prompt,·N}</code></pre><ul><li><code·class="inline">Encoding</code>·and·<code·class="inline">Prompt</code>·as·for·<code·class="inline">get_until</code>.</li><li><code·class="inline">N</code>·is·the·number·of·characters·to·be·read·from·the·I/O·device.</li></ul><p>A·single·line·(as·in·former·example)·is·requested·with·the·following·<code·class="inline">Request</code>:</p><pre><code·class="text">{get_line,·Encoding,·Prompt}</code></pre><ul><li><code·class="inline">Encoding</code>·and·<code·class="inline">Prompt</code>·as·for·<code·class="inline">get_until</code>.</li></ul><p>Clearly,·<code·class="inline">get_chars</code>·and·<code·class="inline">get_line</code>·could·be·implemented·with·the·<code·class="inline">get_until</code> |
| 246 | request·(and·indeed·they·were·originally),·but·demands·for·efficiency·have·made | 246 | request·(and·indeed·they·were·originally),·but·demands·for·efficiency·have·made |
| 247 | these·additions·necessary.</p><p>The·I/O·server·replies·to·the·client·with·an·<code·class="inline">io_reply</code>·tuple,·where·element | 247 | these·additions·necessary.</p><p>The·I/O·server·replies·to·the·client·with·an·<code·class="inline">io_reply</code>·tuple,·where·element |
| Offset 273, 18 lines modified | Offset 273, 18 lines modified | ||
| 273 | forms.·However,·the·I/O·server·is·to·convert·the·results·to·binaries·whenever | 273 | forms.·However,·the·I/O·server·is·to·convert·the·results·to·binaries·whenever |
| 274 | possible·(that·is,·when·the·function·supplied·to·<code·class="inline">get_until</code>·returns·a·list). | 274 | possible·(that·is,·when·the·function·supplied·to·<code·class="inline">get_until</code>·returns·a·list). |
| 275 | This·is·done·in·the·example·in·section | 275 | This·is·done·in·the·example·in·section |
| 276 | <a·href="io_protocol.html#example_io_server">An·Annotated·and·Working·Example·I/O·Server</a>.</p><p>An·I/O·server·in·binary·mode·affects·the·data·sent·to·the·client,·so·that·it | 276 | <a·href="io_protocol.html#example_io_server">An·Annotated·and·Working·Example·I/O·Server</a>.</p><p>An·I/O·server·in·binary·mode·affects·the·data·sent·to·the·client,·so·that·it |
| 277 | must·be·able·to·handle·binary·data.·For·convenience,·the·modes·of·an·I/O·server | 277 | must·be·able·to·handle·binary·data.·For·convenience,·the·modes·of·an·I/O·server |
| 278 | can·be·set·and·retrieved·using·the·following·I/O·requests:</p><pre><code·class="text">{setopts,·Opts}</code></pre><ul><li><code·class="inline">Opts</code>·is·a·list·of·options·in·the·format·recognized·by·the·<a·href="proplists.html"><code·class="inline">proplists</code></a> | 278 | can·be·set·and·retrieved·using·the·following·I/O·requests:</p><pre><code·class="text">{setopts,·Opts}</code></pre><ul><li><code·class="inline">Opts</code>·is·a·list·of·options·in·the·format·recognized·by·the·<a·href="proplists.html"><code·class="inline">proplists</code></a> |
| 279 | module·(and·by·the·I/O·server).</li></ul><p>As·an·example,·the·I/O·server·for·the·interactive·shell·(in·<code·class="inline">group.erl</code>) | 279 | module·(and·by·the·I/O·server).</li></ul><p>As·an·example,·the·I/O·server·for·the·interactive·shell·(in·<code·class="inline">group.erl</code>) |
| 280 | understands·the·following·options:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="35 | 280 | understands·the·following·options:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2358760796-1">{</span><span·class="ss">binary</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">boolean</span><span·class="p"·data-group-id="2358760796-2">(</span><span·class="p"·data-group-id="2358760796-2">)</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·284,·SHA:·c91eb9973f5e569d75c76b2469277e94360d827145bcaf7ba2cc2e90db2cb2c8·...·]-3">)</span><span·class="w"> |
| 281 | </span><span·class="p"·data-group-id="35 | 281 | </span><span·class="p"·data-group-id="2358760796-4">{</span><span·class="ss">echo</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">boolean</span><span·class="p"·data-group-id="2358760796-5">(</span><span·class="p"·data-group-id="2358760796-5">)</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·418c583af7f5adc33b9b8bda0f8c7b3139819165258d548a2986b285fd1da80a·...·]-4">}</span><span·class="w"> |
| 282 | </span><span·class="p"·data-group-id="35 | 282 | </span><span·class="p"·data-group-id="2358760796-6">{</span><span·class="ss">expand_fun</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="2358760796-7">(</span><span·class="p"·data-group-id="2358760796-7">)</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·a26579c233c16ecc4d0a01a4e0af371a0f1bf5019e0094b0fc2792d42b54930a·...·]-6">}</span><span·class="w"> |
| 283 | </span><span·class="p"·data-group-id="35 | 283 | </span><span·class="p"·data-group-id="2358760796-8">{</span><span·class="ss">encoding</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">unicode</span><span·class="o">/</span><span·class="ss">latin1</span><span·class="p"·data-group-id="2358760796-8">}</span><span·class="w">[·...·truncated·by·diffoscope;·len:·237,·SHA:·4bb0e99420269ed0c017b62fff3a0b6f49117a1f0cb4ee466a090323c0fe7869·...·]-9">)</span></code></pre><p>Options·<code·class="inline">binary</code>·and·<code·class="inline">encoding</code>·are·common·for·all·I/O·servers·in·OTP,·while |
| 284 | <code·class="inline">echo</code>·and·<code·class="inline">expand</code>·are·valid·only·for·this·I/O·server.·Option·<code·class="inline">unicode</code> | 284 | <code·class="inline">echo</code>·and·<code·class="inline">expand</code>·are·valid·only·for·this·I/O·server.·Option·<code·class="inline">unicode</code> |
| 285 | notifies·how·characters·are·put·on·the·physical·I/O·device,·that·is,·if·the | 285 | notifies·how·characters·are·put·on·the·physical·I/O·device,·that·is,·if·the |
| 286 | terminal·itself·is·Unicode-aware.·It·does·not·affect·how·characters·are·sent·in | 286 | terminal·itself·is·Unicode-aware.·It·does·not·affect·how·characters·are·sent·in |
| 287 | the·I/O·protocol,·where·each·request·contains·encoding·information·for·the | 287 | the·I/O·protocol,·where·each·request·contains·encoding·information·for·the |
| 288 | provided·or·returned·data.</p><p>The·I/O·server·is·to·send·one·of·the·following·as·<code·class="inline">Reply</code>:</p><pre><code·class="text">ok | 288 | provided·or·returned·data.</p><p>The·I/O·server·is·to·send·one·of·the·following·as·<code·class="inline">Reply</code>:</p><pre><code·class="text">ok |
| 289 | {error,·Error}</code></pre><p>An·error·(preferably·<code·class="inline">enotsup</code>)·is·to·be·expected·if·the·option·is·not·supported | 289 | {error,·Error}</code></pre><p>An·error·(preferably·<code·class="inline">enotsup</code>)·is·to·be·expected·if·the·option·is·not·supported |
| 290 | by·the·I/O·server·(like·if·an·<code·class="inline">echo</code>·option·is·sent·in·a·<code·class="inline">setopts</code>·request·to·a | 290 | by·the·I/O·server·(like·if·an·<code·class="inline">echo</code>·option·is·sent·in·a·<code·class="inline">setopts</code>·request·to·a |
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| 299 | </h2> | 299 | </h2> |
| 300 | <p>The·<code·class="inline">Request</code>·element·can·in·itself·contain·many·<code·class="inline">Request</code>s·by·using·the | 300 | <p>The·<code·class="inline">Request</code>·element·can·in·itself·contain·many·<code·class="inline">Request</code>s·by·using·the |
| 301 | following·format:</p><pre><code·class="text">{requests,·Requests}</code></pre><ul><li><code·class="inline">Requests</code>·is·a·list·of·valid·<code·class="inline">io_request</code>·tuples·for·the·protocol.·They·must | 301 | following·format:</p><pre><code·class="text">{requests,·Requests}</code></pre><ul><li><code·class="inline">Requests</code>·is·a·list·of·valid·<code·class="inline">io_request</code>·tuples·for·the·protocol.·They·must |
| 302 | be·executed·in·the·order·that·they·appear·in·the·list.·The·execution·is·to | 302 | be·executed·in·the·order·that·they·appear·in·the·list.·The·execution·is·to |
| 303 | continue·until·one·of·the·requests·results·in·an·error·or·the·list·is | 303 | continue·until·one·of·the·requests·results·in·an·error·or·the·list·is |
| 304 | consumed.·The·result·of·the·last·request·is·sent·back·to·the·client.</li></ul><p>The·I/O·server·can,·for·a·list·of·requests,·send·any·of·the·following·valid | 304 | consumed.·The·result·of·the·last·request·is·sent·back·to·the·client.</li></ul><p>The·I/O·server·can,·for·a·list·of·requests,·send·any·of·the·following·valid |
| 305 | results·in·the·reply,·depending·on·the·requests·in·the·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">ok</span><span·class="w"> | 305 | results·in·the·reply,·depending·on·the·requests·in·the·list:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">ok</span><span·class="w"> |
| 306 | </span><span·class="p"·data-group-id=" | 306 | </span><span·class="p"·data-group-id="7117253724-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Data</span><span·class="p"·data-group-id="7117253724-1">}</span><span·class="w"> |
| 307 | </span><span·class="p"·data-group-id=" | 307 | </span><span·class="p"·data-group-id="7117253724-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Options</span><span·class="p"·data-group-id="7117253724-2">}</span><span·class="w"> |
| 308 | </span><span·class="p"·data-group-id=" | 308 | </span><span·class="p"·data-group-id="7117253724-3">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Error</span><span·class="p"·data-group-id="7117253724-3">}</span></code></pre><h2·id="optional-i-o-request"·class="section-heading"> |
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| 977 | </h2> | 977 | </h2> |
| 978 | <ul><li><code·class="inline">error(unexpected_end)</code>·if·<code·class="inline">Binary</code>·contains·incomplete·JSON·value</li><li><code·class="inline">error({invalid_byte,·Byte})</code>·if·<code·class="inline">Binary</code>·contains·unexpected·byte·or·invalid·UTF-8·byte</li><li><code·class="inline">error({unexpected_sequence,·Bytes})</code>·if·<code·class="inline">Binary</code>·contains·invalid·UTF-8·escape</li></ul><h2·id="decode/1-example"·class="section-heading"> | 978 | <ul><li><code·class="inline">error(unexpected_end)</code>·if·<code·class="inline">Binary</code>·contains·incomplete·JSON·value</li><li><code·class="inline">error({invalid_byte,·Byte})</code>·if·<code·class="inline">Binary</code>·contains·unexpected·byte·or·invalid·UTF-8·byte</li><li><code·class="inline">error({unexpected_sequence,·Bytes})</code>·if·<code·class="inline">Binary</code>·contains·invalid·UTF-8·escape</li></ul><h2·id="decode/1-example"·class="section-heading"> |
| 979 | ··<a·href="#decode/1-example"·class="hover-link"> | 979 | ··<a·href="#decode/1-example"·class="hover-link"> |
| 980 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 980 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 981 | ··</a> | 981 | ··</a> |
| 982 | ··<span·class="text">Example</span> | 982 | ··<span·class="text">Example</span> |
| 983 | </h2> | 983 | </h2> |
| 984 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id=" | 984 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="1432492683-1">(</span><span·class="p"·data-group-id="1432492683-2"><<</span><span·class="s">"{\"foo\":·1}"</span><span·class="p"·data-group-id="1432492683-2">>></span><span·class="p"·data-group-id="1432492683-1">)</span><span·class="p">.</span><span·class="w"> |
| 985 | </span><span·class="p"·data-group-id=" | 985 | </span><span·class="p"·data-group-id="1432492683-3">#{</span><span·class="p"·data-group-id="1432492683-4"><<</span><span·class="s">"foo"</span><span·class="p"·data-group-id="1432492683-4">>></span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·67,·SHA:·e75b010e591f4f5c6ce8594a0424d54532a9ed516082abc200822915c51a2d10·...·]-3">}</span></code></pre> |
| 986 | ··</section> | 986 | ··</section> |
| 987 | </section> | 987 | </section> |
| 988 | <section·class="detail"·id="decode/3"> | 988 | <section·class="detail"·id="decode/3"> |
| 989 | ··<div·class="detail-header"> | 989 | ··<div·class="detail-header"> |
| 990 | ····<a·href="#decode/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 990 | ····<a·href="#decode/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 991 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 991 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 1028 | </h2> | 1028 | </h2> |
| 1029 | <ul><li><code·class="inline">error({invalid_byte,·Byte})</code>·if·<code·class="inline">Binary</code>·contains·unexpected·byte·or·invalid·UTF-8·byte</li><li><code·class="inline">error({unexpected_sequence,·Bytes})</code>·if·<code·class="inline">Binary</code>·contains·invalid·UTF-8·escape</li><li><code·class="inline">error(unexpected_end)</code>·if·<code·class="inline">Binary</code>·contains·incomplete·JSON·value</li></ul><h2·id="decode/3-example"·class="section-heading"> | 1029 | <ul><li><code·class="inline">error({invalid_byte,·Byte})</code>·if·<code·class="inline">Binary</code>·contains·unexpected·byte·or·invalid·UTF-8·byte</li><li><code·class="inline">error({unexpected_sequence,·Bytes})</code>·if·<code·class="inline">Binary</code>·contains·invalid·UTF-8·escape</li><li><code·class="inline">error(unexpected_end)</code>·if·<code·class="inline">Binary</code>·contains·incomplete·JSON·value</li></ul><h2·id="decode/3-example"·class="section-heading"> |
| 1030 | ··<a·href="#decode/3-example"·class="hover-link"> | 1030 | ··<a·href="#decode/3-example"·class="hover-link"> |
| 1031 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 1031 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 1032 | ··</a> | 1032 | ··</a> |
| 1033 | ··<span·class="text">Example</span> | 1033 | ··<span·class="text">Example</span> |
| 1034 | </h2> | 1034 | </h2> |
| 1035 | <p>Decoding·object·keys·as·atoms:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">Push</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="2388231144-1">(</span><span·class="n">Key</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Value</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="2388231144-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="2388231144-2">[</span><span·class="p"·data-group-id="2388231144-3">{</span><span·class="nf">binary_to_existing_atom</span><span·class="p"·data-group-id="2388231144-4">(</span><span·class="n">Key</span><span·class="p"·data-group-id="2388231144-4">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Value</span><span·class="p"·data-group-id="2388231144-3">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="2388231144-2">]</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="gp·unselectable"> | ||
| 1036 | >·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="2388231144-5">(</span><span·class="p"·data-group-id="2388231144-6"><<</span><span·class="s">"{\"foo\":·1}"</span><span·class="p"·data-group-id="2388231144-6">>></span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2388231144-7">#{</span><span·class="ss">object_push</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Push</span><span·class="p"·data-group-id="2388231144-7">}</span><span·class="p"·data-group-id="2388231144-5">)</span><span·class="p">.</span><span·class="w"> | ||
| 1037 | < | 1035 | <p>Decoding·object·keys·as·atoms:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">Push</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><spa[·...·truncated·by·diffoscope;·len:·1022,·SHA:·a8171df303aac9794076fad7ae83d72a2942334c115c52012f361bd4ec62ef54·...·]> |
| 1036 | >·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode</span><span·class="p"·data-group-id="2157196091-5">(</span><span·class="p"·data-group-id="2157196091-6"><<</span><span·class="s">"{\"foo\":·1}"</span><span·class="p"·data-group-id="2157196091-6">>></span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2157196091-7">#{</span><span·class="ss">object_push</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="n">Push</span><span·class="p"·data-group-id="2157196091-7">}</span><span·class="p"·data-group-id="2157196091-5">)</span><span·class="p">.</span><span·class="w"> | ||
| 1037 | </span><span·class="p"·data-group-id="2157196091-8">{</span><span·class="p"·data-group-id="2157196091-9">#{</span><span·class="ss">foo</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="2157196091-9">}</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="2157196091-10"><<</span><span·class="p"·data-group-id="2157196091-10">>></span><span·class="p"·data-group-id="2157196091-8">}</span></code></pre> | ||
| 1038 | ··</section> | 1038 | ··</section> |
| 1039 | </section> | 1039 | </section> |
| 1040 | <section·class="detail"·id="decode_continue/2"> | 1040 | <section·class="detail"·id="decode_continue/2"> |
| 1041 | ··<div·class="detail-header"> | 1041 | ··<div·class="detail-header"> |
| 1042 | ····<a·href="#decode_continue/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1042 | ····<a·href="#decode_continue/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1043 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1043 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1061, 19 lines modified | Offset 1061, 19 lines modified | ||
| 1061 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·decode_continue(<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()·|·end_of_input,·Opaque·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·-> | 1061 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·decode_continue(<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()·|·end_of_input,·Opaque·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>())·-> |
| 1062 | ·························{Result·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:dynamic/0">dynamic</a>(),·Acc·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:dynamic/0">dynamic</a>(),·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()}·| | 1062 | ·························{Result·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:dynamic/0">dynamic</a>(),·Acc·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:dynamic/0">dynamic</a>(),·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()}·| |
| 1063 | ·························{continue,·<a·href="#t:continuation_state/0">continuation_state</a>()}.</pre> | 1063 | ·························{continue,·<a·href="#t:continuation_state/0">continuation_state</a>()}.</pre> |
| 1064 | ······</div> | 1064 | ······</div> |
| 1065 | <p>Continue·parsing·a·stream·of·bytes·of·a·JSON·value.</p><p>Similar·to·<a·href="#decode_start/3"><code·class="inline">decode_start/3</code></a>,·if·the·function·returns·<code·class="inline">{continue,·State}</code>·and | 1065 | <p>Continue·parsing·a·stream·of·bytes·of·a·JSON·value.</p><p>Similar·to·<a·href="#decode_start/3"><code·class="inline">decode_start/3</code></a>,·if·the·function·returns·<code·class="inline">{continue,·State}</code>·and |
| 1066 | there·is·no·more·data,·use·<code·class="inline">end_of_input</code>·instead·of·a·binary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="1509118755-1">{</span><span·class="ss">continue</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="1509118755-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode_start</span><span·class="p"·data-group-id="1509118755-2">(</span><span·class="p"·data-group-id="1509118755-3"><<</span><span·class="s">"{\"foo\":"</span><span·class="p"·data-group-id="1509118755-3">>></span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1509118755-4">#{</span><span·class="p"·data-group-id="1509118755-4">}</span><span·class="p"·data-group-id="1509118755-2">)</span><span·class="p">.</span><span·class="gp·unselectable"> | ||
| 1067 | >·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode_continue</span><span·class="p"·data-group-id="1509118755-5">(</span><span·class="p"·data-group-id="1509118755-6"><<</span><span·class="s">"1}"</span><span·class="p"·data-group-id="1509118755-6">>></span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="1509118755-5">)</span><span·class="p">.</span><span·class="w"> | ||
| 1068 | 1066 | there·is·no·more·data,·use·<code·class="inline">end_of_input</code>·instead·of·a·binary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="7779792210-1">{</span><span·class="ss">cont[·...·truncated·by·diffoscope;·len:·797,·SHA:·281716105074d2a69629080958b119afbf4b6475a9566a9cee728ed791dc615f·...·]-2">)</span><span·class="p">.</span><span·class="gp·unselectable"> | |
| 1067 | >·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode_continue</span><span·class="p"·data-group-id="7779792210-5">(</span><span·class="p"·data-group-id="7779792210-6"><<</span><span·class="s">"1}"</span><span·class="p"·data-group-id="7779792210-6">>></span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="7779792210-5">)</span><span·class="p">.</span><span·class="w"> | ||
| 1068 | </span><span·class="p"·data-group-id="7779792210-7">{</span><span·class="p"·data-group-id="7779792210-8">#{</span><span·class="ss">foo</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id="7779792210-8">}</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="7779792210-9"><<</span><span·class="p"·data-group-id="7779792210-9">>></span><span·class="p"·data-group-id="7779792210-7">}</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="p"·data-group-id="8244558023-1">{</span><span·class="ss">continue</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="8244558023-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode_start</span><span·class="p"·data-group-id="8244558023-2">(</span><span·class="p"·data-group-id="8244558023-3"><<</span><span·class="s">"123"</span><span·class="p"·data-group-id="8244558023-3">>></span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8244558023-4">#{</span><span·class="p"·data-group-id="8244558023-4">}</span><span·class="p"·data-group-id="8244558023-2">)</span><span·class="p">.</span><span·class="gp·unselectable"> | ||
| 1069 | >·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode_continue</span><span·class="p"·data-group-id=" | 1069 | >·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">decode_continue</span><span·class="p"·data-group-id="8244558023-5">(</span><span·class="ss">end_of_input</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="8244558023-5">)</span><span·class="p">.</span><span·class="w"> |
| 1070 | </span><span·class="p"·data-group-id=" | 1070 | </span><span·class="p"·data-group-id="8244558023-6">{</span><span·class="mi">123</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="8244558023-7"><<</span><span·class="p"·data-group-id="8244558023-7">>></span><span·class="[·...·truncated·by·diffoscope;·len:·28,·SHA:·6f8c282f143830616b16e755c4bd4b45297bc4602356ad5654108253d610c347·...·]-6">}</span></code></pre> |
| 1071 | ··</section> | 1071 | ··</section> |
| 1072 | </section> | 1072 | </section> |
| 1073 | <section·class="detail"·id="decode_start/3"> | 1073 | <section·class="detail"·id="decode_start/3"> |
| 1074 | ··<div·class="detail-header"> | 1074 | ··<div·class="detail-header"> |
| 1075 | ····<a·href="#decode_start/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1075 | ····<a·href="#decode_start/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1076 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1076 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1131, 16 lines modified | Offset 1131, 16 lines modified | ||
| 1131 | <p>Generates·JSON·corresponding·to·<code·class="inline">Term</code>.</p><p>Supports·basic·data·mapping:</p><table><thead><tr><th·style="text-align:·left;"><strong>Erlang</strong></th><th·style="text-align:·left;"><strong>JSON</strong></th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">integer()·|·float()</code></td><td·style="text-align:·left;">Number</td></tr><tr><td·style="text-align:·left;"><code·class="inline">true·|·false</code></td><td·style="text-align:·left;">Boolean</td></tr><tr><td·style="text-align:·left;"><code·class="inline">null</code></td><td·style="text-align:·left;">Null</td></tr><tr><td·style="text-align:·left;"><code·class="inline">binary()</code></td><td·style="text-align:·left;">String</td></tr><tr><td·style="text-align:·left;"><code·class="inline">atom()</code></td><td·style="text-align:·left;">String</td></tr><tr><td·style="text-align:·left;"><code·class="inline">list()</code></td><td·style="text-align:·left;">Array</td></tr><tr><td·style="text-align:·left;"><code·class="inline">#{binary()·=>·_}</code></td><td·style="text-align:·left;">Object</td></tr><tr><td·style="text-align:·left;"><code·class="inline">#{atom()·=>·_}</code></td><td·style="text-align:·left;">Object</td></tr><tr><td·style="text-align:·left;"><code·class="inline">#{integer()·=>·_}</code></td><td·style="text-align:·left;">Object</td></tr></tbody></table><p>This·is·equivalent·to·<code·class="inline">encode(Term,·fun·json:encode_value/2)</code>.</p><h2·id="encode/1-examples"·class="section-heading"> | 1131 | <p>Generates·JSON·corresponding·to·<code·class="inline">Term</code>.</p><p>Supports·basic·data·mapping:</p><table><thead><tr><th·style="text-align:·left;"><strong>Erlang</strong></th><th·style="text-align:·left;"><strong>JSON</strong></th></tr></thead><tbody><tr><td·style="text-align:·left;"><code·class="inline">integer()·|·float()</code></td><td·style="text-align:·left;">Number</td></tr><tr><td·style="text-align:·left;"><code·class="inline">true·|·false</code></td><td·style="text-align:·left;">Boolean</td></tr><tr><td·style="text-align:·left;"><code·class="inline">null</code></td><td·style="text-align:·left;">Null</td></tr><tr><td·style="text-align:·left;"><code·class="inline">binary()</code></td><td·style="text-align:·left;">String</td></tr><tr><td·style="text-align:·left;"><code·class="inline">atom()</code></td><td·style="text-align:·left;">String</td></tr><tr><td·style="text-align:·left;"><code·class="inline">list()</code></td><td·style="text-align:·left;">Array</td></tr><tr><td·style="text-align:·left;"><code·class="inline">#{binary()·=>·_}</code></td><td·style="text-align:·left;">Object</td></tr><tr><td·style="text-align:·left;"><code·class="inline">#{atom()·=>·_}</code></td><td·style="text-align:·left;">Object</td></tr><tr><td·style="text-align:·left;"><code·class="inline">#{integer()·=>·_}</code></td><td·style="text-align:·left;">Object</td></tr></tbody></table><p>This·is·equivalent·to·<code·class="inline">encode(Term,·fun·json:encode_value/2)</code>.</p><h2·id="encode/1-examples"·class="section-heading"> |
| 1132 | ··<a·href="#encode/1-examples"·class="hover-link"> | 1132 | ··<a·href="#encode/1-examples"·class="hover-link"> |
| 1133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 1133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 1134 | ··</a> | 1134 | ··</a> |
| 1135 | ··<span·class="text">Examples</span> | 1135 | ··<span·class="text">Examples</span> |
| 1136 | </h2> | 1136 | </h2> |
| 1137 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">iolist_to_binary</span><span·class="p"·data-group-id="9539728702-1">(</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">encode</span><span·class="p"·data-group-id="9539728702-2">(</span><span·class="p"·data-group-id="9539728702-3">#{</span><span·class="ss">foo</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="9539728702-4"><<</span><span·class="s">"bar"</span><span·class="p"·data-group-id="9539728702-4">>></span><span·class="p"·data-group-id="9539728702-3">}</span><span·class="p"·data-group-id="9539728702-2">)</span><span·class="p"·data-group-id="9539728702-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1138 | < | 1137 | <pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">iolist_to_binary</span><span·class="p"·data-group-id="3803549604-1">(</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">encod[·...·truncated·by·diffoscope;·len:·574,·SHA:·813ca4276af74463dd7d08e1edc6467fd844b2ad1f1341ce9e16872af2a5f65f·...·]> |
| 1138 | </span><span·class="p"·data-group-id="3803549604-5"><<</span><span·class="s">"{\"foo\":\"bar\"}"</span><span·class="p"·data-group-id="3803549604-5">>></span></code></pre> | ||
| 1139 | ··</section> | 1139 | ··</section> |
| 1140 | </section> | 1140 | </section> |
| 1141 | <section·class="detail"·id="encode/2"> | 1141 | <section·class="detail"·id="encode/2"> |
| 1142 | ··<div·class="detail-header"> | 1142 | ··<div·class="detail-header"> |
| 1143 | ····<a·href="#encode/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1143 | ····<a·href="#encode/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1144 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1144 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1171, 19 lines modified | Offset 1171, 19 lines modified | ||
| 1171 | to·help·in·constructing·such·callbacks.</p><h2·id="encode/2-examples"·class="section-heading"> | 1171 | to·help·in·constructing·such·callbacks.</p><h2·id="encode/2-examples"·class="section-heading"> |
| 1172 | ··<a·href="#encode/2-examples"·class="hover-link"> | 1172 | ··<a·href="#encode/2-examples"·class="hover-link"> |
| 1173 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 1173 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 1174 | ··</a> | 1174 | ··</a> |
| 1175 | ··<span·class="text">Examples</span> | 1175 | ··<span·class="text">Examples</span> |
| 1176 | </h2> | 1176 | </h2> |
| 1177 | <p>An·encoder·that·uses·a·heuristic·to·differentiate·object-like | 1177 | <p>An·encoder·that·uses·a·heuristic·to·differentiate·object-like |
| 1178 | lists·of·key-value·pairs·from·plain·lists:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">encoder</span><span·class="p"·data-group-id=" | 1178 | lists·of·key-value·pairs·from·plain·lists:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">encoder</span><span·class="p"·data-group-id="0362071950-1">(</span><span·class="p"·data-group-id="0362071950-2">[</span><span·class="p"·data-group-id="0362071950-3">{</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p"·data-group-id="0[·...·truncated·by·diffoscope;·len:·772,·SHA:·d17becb80f958562871165a0a86cd97a7e251db2d4dbb1c1580df23aa2f25da5·...·]-4">)</span><span·class="p">;</span><span·class="gp·unselectable"> |
| 1179 | >·</span><span·class="nf">encoder</span><span·class="p"·data-group-id=" | 1179 | >·</span><span·class="nf">encoder</span><span·class="p"·data-group-id="0362071950-5">(</span><span·class="n">Other</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Encode</span><span·class="p"·data-group-id="0362071950-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·287,·SHA:·60c5e87353a4f7dc7ed7ebab7148c7f3d7990ea8a7bc0d27584e698849f9c844·...·]-6">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 1180 | >·</span><span·class="nf">custom_encode</span><span·class="p"·data-group-id=" | 1180 | >·</span><span·class="nf">custom_encode</span><span·class="p"·data-group-id="0362071950-7">(</span><span·class="n">Value</span><span·class="p"·data-group-id="0362071950-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">encode</[·...·truncated·by·diffoscope;·len:·783,·SHA:·87a29b5f34e727c101ed90660f9b347ecdbc6c33e29097d165c10f0aca85cce8·...·]-8">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 1181 | >·</span><span·class="nf">iolist_to_binary</span><span·class="p"·data-group-id=" | 1181 | >·</span><span·class="nf">iolist_to_binary</span><span·class="p"·data-group-id="0362071950-11">(</span><span·class="nf">custom_encode</span><span·class="p"·data-group-id="0362071950-12">(</span><span·class="p"·data-group-id="0362071950-13">[</span><span·class="p"·data-group-id="0362071950-14">{</span><span·class="ss">a</span><span·cla[·...·truncated·by·diffoscope;·len:·604,·SHA:·e2ca380b7dcdb2ec50d0c586ef2f4d02330252f8605af92a6b85a67e4e44f767·...·]-11">)</span><span·class="p">.</span><span·class="w"> |
| 1182 | </span><span·class="p"·data-group-id=" | 1182 | </span><span·class="p"·data-group-id="0362071950-17"><<</span><span·class="s">"{\"a\":[],\"b\":1}"</span><span·class="p"·data-group-id="0362071950-17">>></span></code></pre> |
| 1183 | ··</section> | 1183 | ··</section> |
| 1184 | </section> | 1184 | </section> |
| 1185 | <section·class="detail"·id="encode_atom/2"> | 1185 | <section·class="detail"·id="encode_atom/2"> |
| 1186 | ··<div·class="detail-header"> | 1186 | ··<div·class="detail-header"> |
| 1187 | ····<a·href="#encode_atom/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1187 | ····<a·href="#encode_atom/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1188 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1188 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1542, 19 lines modified | Offset 1542, 19 lines modified | ||
| 1542 | ······<div·class="specs"> | 1542 | ······<div·class="specs"> |
| 1543 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·format(Term·::·<a·href="#t:encode_value/0">encode_value</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:iodata/0">iodata</a>().</pre> | 1543 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·format(Term·::·<a·href="#t:encode_value/0">encode_value</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:iodata/0">iodata</a>().</pre> |
| 1544 | ······</div> | 1544 | ······</div> |
| 1545 | <p>Generates·formatted·JSON·corresponding·to·<code·class="inline">Term</code>.</p><p>Similiar·to·<a·href="#encode/1"><code·class="inline">encode/1</code></a>·but·with·added·whitespaces·for·formatting.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">put_chars</span><span·class="p"·data-group-id="1 | 1545 | <p>Generates·formatted·JSON·corresponding·to·<code·class="inline">Term</code>.</p><p>Similiar·to·<a·href="#encode/1"><code·class="inline">encode/1</code></a>·but·with·added·whitespaces·for·formatting.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">put_chars</span><span·class="p"·data-group-id="6125568579-1">(</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6125568579-2">(</span><span·class="p"·data-group-id="6125568579-3">#{</span><span·class="ss">foo</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·540,·SHA:·f6485f03e071d4fa4f4bf543a481e41946c39ad8e037c94e077a49e95e0834be·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1546 | </span><span·class="p"·data-group-id="1 | 1546 | </span><span·class="p"·data-group-id="6125568579-5">{</span><span·class="w"> |
| 1547 | ··</span><span·class="s">"baz"</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">52</span><span·class="p">,</span><span·class="w"> | 1547 | ··</span><span·class="s">"baz"</span><span·class="p">:</span><span·class="w">·</span><span·class="mi">52</span><span·class="p">,</span><span·class="w"> |
| 1548 | ··</span><span·class="s">"foo"</span><span·class="p">:</span><span·class="w">·</span><span·class="s">"bar"</span><span·class="w"> | 1548 | ··</span><span·class="s">"foo"</span><span·class="p">:</span><span·class="w">·</span><span·class="s">"bar"</span><span·class="w"> |
| 1549 | </span><span·class="p"·data-group-id="1 | 1549 | </span><span·class="p"·data-group-id="6125568579-5">}</span><span·class="w"> |
| 1550 | </span><span·class="ss">ok</span></code></pre> | 1550 | </span><span·class="ss">ok</span></code></pre> |
| 1551 | ··</section> | 1551 | ··</section> |
| 1552 | </section> | 1552 | </section> |
| 1553 | <section·class="detail"·id="format/2"> | 1553 | <section·class="detail"·id="format/2"> |
| 1554 | ··<div·class="detail-header"> | 1554 | ··<div·class="detail-header"> |
| 1555 | ····<a·href="#format/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1555 | ····<a·href="#format/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1607, 28 lines modified | Offset 1607, 28 lines modified | ||
| 1607 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·format(Term·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:dynamic/0">dynamic</a>(),·Encoder·::·<a·href="#t:formatter/0">formatter</a>(),·Options·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:map/0">map</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:iodata/0">iodata</a>().</pre> | 1607 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·format(Term·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:dynamic/0">dynamic</a>(),·Encoder·::·<a·href="#t:formatter/0">formatter</a>(),·Options·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:map/0">map</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:iodata/0">iodata</a>().</pre> |
| 1608 | ······</div> | 1608 | ······</div> |
| 1609 | <p>Generates·formatted·JSON·corresponding·to·<code·class="inline">Term</code>.</p><p>Similar·to·<a·href="#encode/2"><code·class="inline">encode/2</code></a>,·can·be·customised·with·the·<code·class="inline">Encoder</code>·callback·and·<code·class="inline">Options</code>.</p><p><code·class="inline">Options</code>·can·include·'indent'·to·specify·number·of·spaces·per·level·and·'max'·which·loosely·limits | 1609 | <p>Generates·formatted·JSON·corresponding·to·<code·class="inline">Term</code>.</p><p>Similar·to·<a·href="#encode/2"><code·class="inline">encode/2</code></a>,·can·be·customised·with·the·<code·class="inline">Encoder</code>·callback·and·<code·class="inline">Options</code>.</p><p><code·class="inline">Options</code>·can·include·'indent'·to·specify·number·of·spaces·per·level·and·'max'·which·loosely·limits |
| 1610 | the·width·of·lists.</p><p>The·<code·class="inline">Encoder</code>·will·get·a·'State'·argument·which·contains·the·'Options'·maps·merged·with·other·data | 1610 | the·width·of·lists.</p><p>The·<code·class="inline">Encoder</code>·will·get·a·'State'·argument·which·contains·the·'Options'·maps·merged·with·other·data |
| 1611 | when·recursing·through·'Term'.</p><p><a·href="#format_value/3"><code·class="inline">format_value/3</code></a>·or·various·<code·class="inline">encode_*</code>·functions·in·this·module·can·be·used | 1611 | when·recursing·through·'Term'.</p><p><a·href="#format_value/3"><code·class="inline">format_value/3</code></a>·or·various·<code·class="inline">encode_*</code>·functions·in·this·module·can·be·used |
| 1612 | to·help·in·constructing·such·callbacks.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">formatter</span><span·class="p"·data-group-id="5 | 1612 | to·help·in·constructing·such·callbacks.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">formatter</span><span·class="p"·data-group-id="5012294030-1">(</span><span·class="p"·data-group-id="5012294030-2">{</span><span·class="ss">posix_time</span><span·class="p">,</span><span·class="w">·</span><span·class="n">SysTimeSecs</span><span·class="p"·data-group-id="5012294030-2">}</span><span·class="[·...·truncated·by·diffoscope;·len:·181,·SHA:·a6c16868257d52c65125325a63c74509ce5a2296a8eaddfe9d9e35e1ba9a3515·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1613 | ····</span><span·class="n">TimeStr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id="5 | 1613 | ····</span><span·class="n">TimeStr</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">system_time_to_rfc3339</span><span·class="p"·data-group-id="5012294030-3">(</span><span·class="n">SysTimeSecs</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5012294030-4">[</span><span·class="p"·data-group-id="5012294030-5">{</span><span·class="ss">offset</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·214,·SHA:·e2da0cdffb76078e9cc3dc5594b4678077aecc87e0edf3a501fbf334b7905a79·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 1614 | ····</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">format_value</span><span·class="p"·data-group-id="5 | 1614 | ····</span><span·class="nc">json</span><span·class="p">:</span><span·class="nf">format_value</span><span·class="p"·data-group-id="5012294030-6">(</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_binary</span><span·class="p"·data-group-id="5012294030-7">(</span><span·class="n">TimeStr</span><span·class="p"·data-group-id="5012294030-7">)</span>[·...·truncated·by·diffoscope;·len:·194,·SHA:·3c4fb8f81f0412c54b70810f9830b2ae6c1b7395c72749db3c0a865c385ba22e·...·]-6">)</span><span·class="p">;</span><span·class="gp·unselectable"> |
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| Offset 1157, 16 lines modified | Offset 1157, 16 lines modified | ||
| 1157 | ······<div·class="specs"> | 1157 | ······<div·class="specs"> |
| 1158 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·append(ListOfLists)·->·List1·when·ListOfLists·::·[List],·List·::·[T],·List1·::·[T],·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1158 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·append(ListOfLists)·->·List1·when·ListOfLists·::·[List],·List·::·[T],·List1·::·[T],·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1159 | ······</div> | 1159 | ······</div> |
| 1160 | <p>Returns·a·list·in·which·all·the·sublists·of·<code·class="inline">ListOfLists</code>·have·been·appended.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="6 | 1160 | <p>Returns·a·list·in·which·all·the·sublists·of·<code·class="inline">ListOfLists</code>·have·been·appended.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="6682750044-1">(</span><span·class="p"·data-group-id="6682750044-2">[</span><span·class="p"·data-group-id="6682750044-3">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p">,</span><span·c[·...·truncated·by·diffoscope;·len:·766,·SHA:·5f8cbb92230a8e7d4ebb39b575ca20a1fd6776cbcc2c340c791783a903e5b71f·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1161 | </span><span·class="p"·data-group-id="6 | 1161 | </span><span·class="p"·data-group-id="6682750044-6">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p[·...·truncated·by·diffoscope;·len:·174,·SHA:·5ab64bf0e3858e6f8b11c0ce06fb20287652f3cb95f6e71278bd3e72a1ef0cfd·...·]-6">]</span></code></pre> |
| 1162 | ··</section> | 1162 | ··</section> |
| 1163 | </section> | 1163 | </section> |
| 1164 | <section·class="detail"·id="append/2"> | 1164 | <section·class="detail"·id="append/2"> |
| 1165 | ··<div·class="detail-header"> | 1165 | ··<div·class="detail-header"> |
| 1166 | ····<a·href="#append/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1166 | ····<a·href="#append/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1167 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1167 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1185, 15 lines modified | Offset 1185, 15 lines modified | ||
| 1185 | ······<div·class="specs"> | 1185 | ······<div·class="specs"> |
| 1186 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·append(List1,·List2)·->·List3·when·List1·::·[T],·List2·::·[T],·List3·::·[T],·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1186 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·append(List1,·List2)·->·List3·when·List1·::·[T],·List2·::·[T],·List3·::·[T],·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1187 | ······</div> | 1187 | ······</div> |
| 1188 | <p>Returns·a·new·list·<code·class="inline">List3</code>,·which·is·made·from·the·elements·of·<code·class="inline">List1</code>·followed | 1188 | <p>Returns·a·new·list·<code·class="inline">List3</code>,·which·is·made·from·the·elements·of·<code·class="inline">List1</code>·followed |
| 1189 | by·the·elements·of·<code·class="inline">List2</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 1189 | by·the·elements·of·<code·class="inline">List2</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="1927985012-1">(</span><span·class="s">"abc"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"def"</span><span·class="p"·data-group-id="1927985012-1">)</span><span·class="p">.</span><span·class="w"> |
| 1190 | </span><span·class="s">"abcdef"</span></code></pre><p><code·class="inline">lists:append(A,·B)</code>·is·equivalent·to·<code·class="inline">A·++·B</code>.</p> | 1190 | </span><span·class="s">"abcdef"</span></code></pre><p><code·class="inline">lists:append(A,·B)</code>·is·equivalent·to·<code·class="inline">A·++·B</code>.</p> |
| 1191 | ··</section> | 1191 | ··</section> |
| 1192 | </section> | 1192 | </section> |
| 1193 | <section·class="detail"·id="concat/1"> | 1193 | <section·class="detail"·id="concat/1"> |
| 1194 | ··<div·class="detail-header"> | 1194 | ··<div·class="detail-header"> |
| 1195 | ····<a·href="#concat/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1195 | ····<a·href="#concat/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1214, 15 lines modified | Offset 1214, 15 lines modified | ||
| 1214 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·concat(Things)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>() | 1214 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·concat(Things)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>() |
| 1215 | ················when·Things·::·[Thing],·Thing·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:float/0">float</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>().</pre> | 1215 | ················when·Things·::·[Thing],·Thing·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:atom/0">atom</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:float/0">float</a>()·|·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:string/0">string</a>().</pre> |
| 1216 | ······</div> | 1216 | ······</div> |
| 1217 | <p>Concatenates·the·text·representation·of·the·elements·of·<code·class="inline">Things</code>.·The·elements | 1217 | <p>Concatenates·the·text·representation·of·the·elements·of·<code·class="inline">Things</code>.·The·elements |
| 1218 | of·<code·class="inline">Things</code>·can·be·atoms,·integers,·floats,·or·strings.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">concat</span><span·class="p"·data-group-id=" | 1218 | of·<code·class="inline">Things</code>·can·be·atoms,·integers,·floats,·or·strings.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">concat</span><span·class="p"·data-group-id="8592714198-1">(</span><span·class="p"·data-group-id="8592714198-2">[</span><span·class="ss">doc</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'/'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">file</[·...·truncated·by·diffoscope;·len:·255,·SHA:·1fe961b8af1a56db7996dc2436685d390b369287fc45fd7c1b17fe499c580f0f·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1219 | </span><span·class="s">"doc/file.3"</span></code></pre> | 1219 | </span><span·class="s">"doc/file.3"</span></code></pre> |
| 1220 | ··</section> | 1220 | ··</section> |
| 1221 | </section> | 1221 | </section> |
| 1222 | <section·class="detail"·id="delete/2"> | 1222 | <section·class="detail"·id="delete/2"> |
| 1223 | ··<div·class="detail-header"> | 1223 | ··<div·class="detail-header"> |
| 1224 | ····<a·href="#delete/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1224 | ····<a·href="#delete/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1325, 16 lines modified | Offset 1325, 16 lines modified | ||
| 1325 | ······<div·class="specs"> | 1325 | ······<div·class="specs"> |
| 1326 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·duplicate(N,·Elem)·->·List·when·N·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(),·Elem·::·T,·List·::·[T],·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1326 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·duplicate(N,·Elem)·->·List·when·N·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>(),·Elem·::·T,·List·::·[T],·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1327 | ······</div> | 1327 | ······</div> |
| 1328 | <p>Returns·a·list·containing·<code·class="inline">N</code>·copies·of·term·<code·class="inline">Elem</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">duplicate</span><span·class="p"·data-group-id=" | 1328 | <p>Returns·a·list·containing·<code·class="inline">N</code>·copies·of·term·<code·class="inline">Elem</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">duplicate</span><span·class="p"·data-group-id="4508608429-1">(</span><span·class="mi">5</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">xx</span><span·class="p"·data-group-id="4508608429-1">)</span><span·class="p">.</span><span·class="w"> |
| 1329 | </span><span·class="p"·data-group-id=" | 1329 | </span><span·class="p"·data-group-id="4508608429-2">[</span><span·class="ss">xx</span><span·class="p">,</span><span·class="ss">xx</span><span·class="p">,</span><span·class="ss">xx</span><span·class="p">,</span><span·class="ss">xx</span><span·class="p">,</span><span·class="ss">xx</span><span·cl[·...·truncated·by·diffoscope;·len:·33,·SHA:·77f5017f12d072fa8bec441428bf41c2a4d0d37e609b1268c6e09060ad9f72bd·...·]-2">]</span></code></pre> |
| 1330 | ··</section> | 1330 | ··</section> |
| 1331 | </section> | 1331 | </section> |
| 1332 | <section·class="detail"·id="enumerate/1"> | 1332 | <section·class="detail"·id="enumerate/1"> |
| 1333 | ··<div·class="detail-header"> | 1333 | ··<div·class="detail-header"> |
| 1334 | ····<a·href="#enumerate/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1334 | ····<a·href="#enumerate/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1335 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1335 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1421, 20 lines modified | Offset 1421, 20 lines modified | ||
| 1421 | ·······················T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1421 | ·······················T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1422 | ······</div> | 1422 | ······</div> |
| 1423 | <p>Returns·<code·class="inline">List1</code>·with·each·element·<code·class="inline">H</code>·replaced·by·a·tuple·of·form·<code·class="inline">{I,·H}</code>·where | 1423 | <p>Returns·<code·class="inline">List1</code>·with·each·element·<code·class="inline">H</code>·replaced·by·a·tuple·of·form·<code·class="inline">{I,·H}</code>·where |
| 1424 | <code·class="inline">I</code>·is·the·position·of·<code·class="inline">H</code>·in·<code·class="inline">List1</code>.·The·enumeration·starts·with·<code·class="inline">Index</code>·and | 1424 | <code·class="inline">I</code>·is·the·position·of·<code·class="inline">H</code>·in·<code·class="inline">List1</code>.·The·enumeration·starts·with·<code·class="inline">Index</code>·and |
| 1425 | increases·by·<code·class="inline">Step</code>·in·each·step.</p><p>That·is,·<a·href="#enumerate/3"><code·class="inline">enumerate/3</code></a>·behaves·as·if·it·had·been·defined·as | 1425 | increases·by·<code·class="inline">Step</code>·in·each·step.</p><p>That·is,·<a·href="#enumerate/3"><code·class="inline">enumerate/3</code></a>·behaves·as·if·it·had·been·defined·as |
| 1426 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">enumerate</span><span·class="p"·data-group-id=" | 1426 | follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">enumerate</span><span·class="p"·data-group-id="0836794761-1">(</span><span·class="n">I</span><span·class="p">,</span><span·class="w">·</span><span·class="n">S</span><span·class="p">,</span><span·class="w">·</span><span·class="n">List</span><span·class="p"·data-group-id="0836794761-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1427 | ··</span><span·class="p"·data-group-id=" | 1427 | ··</span><span·class="p"·data-group-id="0836794761-2">{</span><span·class="n">List1</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="w">·</span><span·class="p"·data-group-id="0836794761-2">}</span><span·class="w">·</span><span·class="o">=</span><span·cla[·...·truncated·by·diffoscope;·len:·1130,·SHA:·2d630805e5c241d043cc87e52eec8e756931b73a5dd5bd4c86395328c23e2602·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 1428 | ··</span><span·class="n">List1</span><span·class="p">.</span></code></pre><p>The·default·values·for·<code·class="inline">Index</code>·and·<code·class="inline">Step</code>·are·both·<code·class="inline">1</code>.</p><p><em>Examples:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">enumerate</span><span·class="p"·data-group-id="5893783281-1">(</span><span·class="p"·data-group-id="5893783281-2">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="5893783281-2">]</span><span·class="p"·data-group-id="5893783281-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1429 | </span><span·class="p"·data-group-id="5893783281-3">[</span><span·class="p"·data-group-id="5893783281-4">{</span><span·class="mi">1</span><span·class="p">,</span><span·class="ss">a</span><span·class="p"·data-group-id="5893783281-4">}</span><span·class="p">,</span><span·class="p"·data-group-id="5893783281-5">{</span><span·class="mi">2</span><span·class="p">,</span><span·class="ss">b</span><span·class="p"·data-group-id="5893783281-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="5893783281-6">{</span><span·class="mi">3</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="5893783281-6">}</span><span·class="p"·data-group-id="5893783281-3">]</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">enumerate</span><span·class="p"·data-group-id="7580784300-1">(</span><span·class="mi">10</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7580784300-2">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="7580784300-2">]</span><span·class="p"·data-group-id="7580784300-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1430 | </span><span·class="p"·data-group-id="7580784300-3">[</span><span·class="p"·data-group-id="7580784300-4">{</span><span·class="mi">10</span><span·class="p">,</span><span·class="ss">a</span><span·class="p"·data-group-id="7580784300-4">}</span><span·class="p">,</span><span·class="p"·data-group-id="7580784300-5">{</span><span·class="mi">11</span><span·class="p">,</span><span·class="ss">b</span><span·class="p"·data-group-id="7580784300-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="7580784300-6">{</span><span·class="mi">12</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="7580784300-6">}</span><span·class="p"·data-group-id="7580784300-3">]</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">enumerate</span><span·class="p"·data-group-id="0843859890-1">(</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="o">-</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0843859890-2">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="0843859890-2">]</span><span·class="p"·data-group-id="0843859890-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1431 | </span><span·class=" | 1428 | ··</span><span·class="n">List1</span><span·class="p">.</span></code></pre><p>The·default·values·for·<code·class="inline">Index</code>·and·<code·class="inline">Step</code>·are·both·<code·class="inline">1</code>.</p><p><em>Examples:</em></p><pre><code·class=[·...·truncated·by·diffoscope;·len:·533,·SHA:·f979427b26520fe0feced87c0d0142a26614b118ed1aec09adeb60bdd73f2d55·...·]> |
| 1429 | </span><span·class="p"·data-group-id="7320132511-3">[</span><span·class="p"·data-group-id="7320132511-4">{</span><span·class="mi">1</span><span·class="p">,</span><span·class="ss">a</span><span·class="p"·data-group-id="7320132511-4">}</span><span·class="p">,</span><span·class="p"·data-group-id="7320132511-5">{</span><span·class="mi">2</span><span·class="p">,</span><span·class="ss">b</span><span·class="p"·data-group-id="7320132511-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="7320132511-6">{</span><span·class="mi">3</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="7320132511-6">}</span><span·class="p"·data-group-id="7320132511-3">]</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">enumerate</span><span·class="p"·data-group-id="5786911001-1">(</span><span·class="mi">10</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5786911001-2">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="5786911001-2">]</span><span·class="p"·data-group-id="5786911001-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1430 | </span><span·class="p"·data-group-id="5786911001-3">[</span><span·class="p"·data-group-id="5786911001-4">{</span><span·class="mi">10</span><span·class="p">,</span><span·class="ss">a</span><span·class="p"·data-group-id="5786911001-4">}</span><span·class="p">,</span><span·class="p"·data-group-id="5786911001-5">{</span><span·class="mi">11</span><span·class="p">,</span><span·class="ss">b</span><span·class="p"·data-group-id="5786911001-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="5786911001-6">{</span><span·class="mi">12</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="5786911001-6">}</span><span·class="p"·data-group-id="5786911001-3">]</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">enumerate</span><span·class="p"·data-group-id="7016942071-1">(</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="o">-</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7016942071-2">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="7016942071-2">]</span><span·class="p"·data-group-id="7016942071-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1431 | </span><span·class="p"·data-group-id="7016942071-3">[</span><span·class="p"·data-group-id="7016942071-4">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="ss">a</span><span·class="p"·data-group-id="7016942071-4">}</span><span·class="p">,</span><span·class="p"·data-group-id="7016942071-5">{</span><span·class="o">-</span><span·class="mi">2</span><span·class="p">,</span><span·class="ss">b</span><span·class="p"·data-group-id="7016942071-5">}</span><span·class="p">,</span><span·class="p"·data-group-id="7016942071-6">{</span><span·class="o">-</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">c</span><span·class="p"·data-group-id="7016942071-6">}</span><span·class="p"·data-group-id="7016942071-3">]</span></code></pre> | ||
| 1432 | ··</section> | 1432 | ··</section> |
| 1433 | </section> | 1433 | </section> |
| 1434 | <section·class="detail"·id="filter/2"> | 1434 | <section·class="detail"·id="filter/2"> |
| 1435 | ··<div·class="detail-header"> | 1435 | ··<div·class="detail-header"> |
| 1436 | ····<a·href="#filter/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1436 | ····<a·href="#filter/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1437 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1437 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1491, 23 lines modified | Offset 1491, 23 lines modified | ||
| 1491 | ·······················Value·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1491 | ·······················Value·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1492 | ······</div> | 1492 | ······</div> |
| 1493 | <p>Calls·<code·class="inline">Fun(Elem)</code>·on·successive·elements·<code·class="inline">Elem</code>·of·<code·class="inline">List1</code>·in·order·to·update·or | 1493 | <p>Calls·<code·class="inline">Fun(Elem)</code>·on·successive·elements·<code·class="inline">Elem</code>·of·<code·class="inline">List1</code>·in·order·to·update·or |
| 1494 | remove·elements·from·<code·class="inline">List1</code>.</p><p><code·class="inline">Fun/1</code>·must·return·either·a·Boolean·or·a·tuple·<code·class="inline">{true,·Value}</code>.·The·function | 1494 | remove·elements·from·<code·class="inline">List1</code>.</p><p><code·class="inline">Fun/1</code>·must·return·either·a·Boolean·or·a·tuple·<code·class="inline">{true,·Value}</code>.·The·function |
| 1495 | returns·the·list·of·elements·for·which·<code·class="inline">Fun</code>·returns·a·new·value,·where·a·value | 1495 | returns·the·list·of·elements·for·which·<code·class="inline">Fun</code>·returns·a·new·value,·where·a·value |
| 1496 | of·<code·class="inline">true</code>·is·synonymous·with·<code·class="inline">{true,·Elem}</code>.</p><p>That·is,·<code·class="inline">filtermap</code>·behaves·as·if·it·had·been·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">filtermap</span><span·class="p"·data-group-id=" | 1496 | of·<code·class="inline">true</code>·is·synonymous·with·<code·class="inline">{true,·Elem}</code>.</p><p>That·is,·<code·class="inline">filtermap</code>·behaves·as·if·it·had·been·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">filtermap</span><span·class="p"·data-group-id="1952820644-1">(</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><span·class="n">List1</span><span·class="p"·data-group-id="1952820644-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1497 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id=" | 1497 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id="1952820644-2">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="1952820644-3">(</span><span·class="n">Elem</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p"·data-group-id="1952820644-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1498 | ·······················</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Fun</span><span·class="p"·data-group-id=" | 1498 | ·······················</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Fun</span><span·class="p"·data-group-id="1952820644-4">(</span><span·class="n">Elem</span><span·class="p"·data-group-id="1952820644-4">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 1499 | ···························</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Acc</span><span·class="p">;</span><span·class="w"> | 1499 | ···························</span><span·class="ss">false</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Acc</span><span·class="p">;</span><span·class="w"> |
| 1500 | ···························</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id=" | 1500 | ···························</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="1952820644-5">[</span><span·class="n">Elem</span><span·class="p">|</span><span·class="n">Acc</span><span·class="p"·data-group-id="1952820644-5">]</span><span·class="p">;</span><span·class="w"> |
| 1501 | ···························</span><span·class="p"·data-group-id=" | 1501 | ···························</span><span·class="p"·data-group-id="1952820644-6">{</span><span·class="ss">true</span><span·class="p">,</span><span·class="n">Value</span><span·class="p"·data-group-id="1952820644-6">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·147,·SHA:·707c3ddb36749f7d9f54b04230b4bc8ed3caf3027f32422f776cd8683a1af0c9·...·]-7">]</span><span·class="w"> |
| 1502 | ·······················</span><span·class="k">end</span><span·class="w"> | 1502 | ·······················</span><span·class="k">end</span><span·class="w"> |
| 1503 | ················</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id=" | 1503 | ················</span><span·class="k">end</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1952820644-8">[</span><span·class="p"·data-group-id="1952820644-8">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">List1</span><span·class="p"·data-group-id="1952820644-2">)</span><span·class="p">.</span></code></pre><p><em>Example:[·...·truncated·by·diffoscope;·len:·1819,·SHA:·1737b0c4ac46ceb87a384556cc0395f652c1537cd6ca4dd40dc5243969b60ba9·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1504 | </span><span·class="p"·data-group-id="61 | 1504 | </span><span·class="p"·data-group-id="4619514145-5">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="4619514145-5">]</span></code></pre> |
| 1505 | ··</section> | 1505 | ··</section> |
| 1506 | </section> | 1506 | </section> |
| 1507 | <section·class="detail"·id="flatlength/1"> | 1507 | <section·class="detail"·id="flatlength/1"> |
| 1508 | ··<div·class="detail-header"> | 1508 | ··<div·class="detail-header"> |
| 1509 | ····<a·href="#flatlength/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1509 | ····<a·href="#flatlength/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1510 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1510 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1554, 17 lines modified | Offset 1554, 17 lines modified | ||
| 1554 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·flatmap(Fun,·List1)·->·List2 | 1554 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·flatmap(Fun,·List1)·->·List2 |
| 1555 | ·················when·Fun·::·fun((A)·->·[B]),·List1·::·[A],·List2·::·[B],·A·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·B·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 1555 | ·················when·Fun·::·fun((A)·->·[B]),·List1·::·[A],·List2·::·[B],·A·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·B·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 1556 | ······</div> | 1556 | ······</div> |
| 1557 | <p>Takes·a·function·from·<code·class="inline">A</code>s·to·lists·of·<code·class="inline">B</code>s,·and·a·list·of·<code·class="inline">A</code>s·(<code·class="inline">List1</code>)·and | 1557 | <p>Takes·a·function·from·<code·class="inline">A</code>s·to·lists·of·<code·class="inline">B</code>s,·and·a·list·of·<code·class="inline">A</code>s·(<code·class="inline">List1</code>)·and |
| 1558 | produces·a·list·of·<code·class="inline">B</code>s·by·applying·the·function·to·every·element·in·<code·class="inline">List1</code>·and | 1558 | produces·a·list·of·<code·class="inline">B</code>s·by·applying·the·function·to·every·element·in·<code·class="inline">List1</code>·and |
| 1559 | appending·the·resulting·lists.</p><p>That·is,·<code·class="inline">flatmap</code>·behaves·as·if·it·had·been·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">flatmap</span><span·class="p"·data-group-id=" | 1559 | appending·the·resulting·lists.</p><p>That·is,·<code·class="inline">flatmap</code>·behaves·as·if·it·had·been·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">flatmap</span><span·class="p"·data-group-id="6395891528-1">(</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><span·class="n">List1</span><span·class="p"·data-group-id="6395891528-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1560 | ····</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 1560 | ····</span><span·class="nf">append</span><span·class="p"·data-group-id="6395891528-2">(</span><span·class="nf">map</span><span·class="p"·data-group-id="6395891528-3">(</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><span·class="n">List1</span><span·class="p"·data-group-id="6395891528-3">)</span[·...·truncated·by·diffoscope;·len:·1073,·SHA:·628243ff2e5fae3c590c99259ef33baa5017fdf55d2a8931c17f14366b05d961·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1561 | </span><span·class="p"·data-group-id=" | 1561 | </span><span·class="p"·data-group-id="5885903157-5">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·class="ss">c</span><span·class="[·...·truncated·by·diffoscope;·len:·77,·SHA:·57740d6d1e0ad33ea2cea8b0bff09e5fef623515dfb3f438feac71737323e9a7·...·]-5">]</span></code></pre> |
| 1562 | ··</section> | 1562 | ··</section> |
| 1563 | </section> | 1563 | </section> |
| 1564 | <section·class="detail"·id="flatten/1"> | 1564 | <section·class="detail"·id="flatten/1"> |
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| 443 | ······<p·class="built-using"> | 443 | ······<p·class="built-using"> |
| 444 | ········Built·using | 444 | ········Built·using |
| 445 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 445 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 446 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 446 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 447 | ······</p> | 447 | ······</p> |
| 448 | <p>Copyright·©·1996-202 | 448 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 449 | ····</footer> | 449 | ····</footer> |
| 450 | ··</div> | 450 | ··</div> |
| 451 | </main> | 451 | </main> |
| 452 | </div> | 452 | </div> |
| 453 | <script> | 453 | <script> |
| 454 | ··function·mermaidLoaded()·{ | 454 | ··function·mermaidLoaded()·{ |
| 455 | ····mermaid.initialize({ | 455 | ····mermaid.initialize({ |
| Offset 1138, 15 lines modified | Offset 1138, 15 lines modified | ||
| 1138 | ······<p·class="built-using"> | 1138 | ······<p·class="built-using"> |
| 1139 | ········Built·using | 1139 | ········Built·using |
| 1140 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1140 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1141 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1141 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1142 | ······</p> | 1142 | ······</p> |
| 1143 | <p>Copyright·©·1996-202 | 1143 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1144 | ····</footer> | 1144 | ····</footer> |
| 1145 | ··</div> | 1145 | ··</div> |
| 1146 | </main> | 1146 | </main> |
| 1147 | </div> | 1147 | </div> |
| 1148 | <script> | 1148 | <script> |
| 1149 | ··function·mermaidLoaded()·{ | 1149 | ··function·mermaidLoaded()·{ |
| 1150 | ····mermaid.initialize({ | 1150 | ····mermaid.initialize({ |
| Offset 150, 55 lines modified | Offset 150, 55 lines modified | ||
| 150 | ··</a> | 150 | ··</a> |
| 151 | ··<span·class="text">Example·1</span> | 151 | ··<span·class="text">Example·1</span> |
| 152 | </h2> | 152 | </h2> |
| 153 | <p>Using·<a·href="ets.html#select/2"><code·class="inline">ets:select/2</code></a>·and·a·match·specification,·one·can·filter·out·rows·of·a | 153 | <p>Using·<a·href="ets.html#select/2"><code·class="inline">ets:select/2</code></a>·and·a·match·specification,·one·can·filter·out·rows·of·a |
| 154 | table·and·construct·a·list·of·tuples·containing·relevant·parts·of·the·data·in | 154 | table·and·construct·a·list·of·tuples·containing·relevant·parts·of·the·data·in |
| 155 | these·rows.·One·can·use·<a·href="ets.html#foldl/3"><code·class="inline">ets:foldl/3</code></a>·instead,·but·the·<a·href="ets.html#select/2"><code·class="inline">ets:select/2</code></a>·call·is | 155 | these·rows.·One·can·use·<a·href="ets.html#foldl/3"><code·class="inline">ets:foldl/3</code></a>·instead,·but·the·<a·href="ets.html#select/2"><code·class="inline">ets:select/2</code></a>·call·is |
| 156 | far·more·efficient.·Without·the·translation·provided·by·<code·class="inline">ms_transform</code>,·one·must | 156 | far·more·efficient.·Without·the·translation·provided·by·<code·class="inline">ms_transform</code>,·one·must |
| 157 | struggle·with·writing·match·specifications·terms·to·accommodate·this.</p><p>Consider·a·simple·table·of·employees:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 157 | struggle·with·writing·match·specifications·terms·to·accommodate·this.</p><p>Consider·a·simple·table·of·employees:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="5666985350-1">(</span><span·class="ss">emp</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5666985350-2">{</span><span·class="ss">empno</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%Employee·number·as·a·string,·the·key</span><span·class="w"> |
| 158 | ··············</span><span·class="ss">surname</span><span·class="p">,</span><span·class="w">···</span><span·class="c1">%Surname·of·the·employee</span><span·class="w"> | 158 | ··············</span><span·class="ss">surname</span><span·class="p">,</span><span·class="w">···</span><span·class="c1">%Surname·of·the·employee</span><span·class="w"> |
| 159 | ··············</span><span·class="ss">givenname</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%Given·name·of·employee</span><span·class="w"> | 159 | ··············</span><span·class="ss">givenname</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%Given·name·of·employee</span><span·class="w"> |
| 160 | ··············</span><span·class="ss">dept</span><span·class="p">,</span><span·class="w">······</span><span·class="c1">%Department,·one·of·{dev,sales,prod,adm}</span><span·class="w"> | 160 | ··············</span><span·class="ss">dept</span><span·class="p">,</span><span·class="w">······</span><span·class="c1">%Department,·one·of·{dev,sales,prod,adm}</span><span·class="w"> |
| 161 | ··············</span><span·class="ss">empyear</span><span·class="p"·data-group-id=" | 161 | ··············</span><span·class="ss">empyear</span><span·class="p"·data-group-id="5666985350-2">}</span><span·class="p"·data-group-id="5666985350-1">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%Year·the·employee·was·employed</span></code></pre><p>We·create·the·table·using:</p><pre><code·class="text">ets:new([·...·truncated·by·diffoscope;·len:·641,·SHA:·cda77f6d6eec5d135ee3196da3f012ed5e804027857a187e40f3a5e70370fbc3·...·]-2">}</span><span·class="p">,</span><span·class="w"> |
| 162 | ·</span><span·class="p"·data-group-id=" | 162 | ·</span><span·class="p"·data-group-id="4873970610-3">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="s">"041231"</span><span·class="p">,</span><span·class="s">"Doe"</span><span·class="p">,</span><span·class="s">"John"</span><span·class="p">,[·...·truncated·by·diffoscope;·len:·128,·SHA:·da3a87a8f4e1679f5d7d59ffad81baea489798a2a0a5f4294315499e5e821b1c·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 163 | ·</span><span·class="p"·data-group-id=" | 163 | ·</span><span·class="p"·data-group-id="4873970610-4">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="s">"052341"</span><span·class="p">,</span><span·class="s">"Smith"</span><span·class="p">,</span><span·class="s">"John"</span><span·class="p"[·...·truncated·by·diffoscope;·len:·129,·SHA:·4abd749983b09e10fc7729559e51690b475b00e70b57ff77812718a17cf6a04f·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 164 | ·</span><span·class="p"·data-group-id=" | 164 | ·</span><span·class="p"·data-group-id="4873970610-5">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="s">"076324"</span><span·class="p">,</span><span·class="s">"Smith"</span><span·class="p">,</span><span·class="s">"Ella"</span><span·class="p"[·...·truncated·by·diffoscope;·len:·131,·SHA:·b82f8e4c517c9cc587adc21091525d48cdf4fa25496821a625011411ea7587ee·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 165 | ·</span><span·class="p"·data-group-id=" | 165 | ·</span><span·class="p"·data-group-id="4873970610-6">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="s">"122334"</span><span·class="p">,</span><span·class="s">"Weston"</span><span·class="p">,</span><span·class="s">"Anna"</span><span·class="p[·...·truncated·by·diffoscope;·len:·131,·SHA:·f08efda0e9be6ba193f581da85a0c275dd6a688a640b45da5faaa9490ea6ee58·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 166 | ·</span><span·class="p"·data-group-id=" | 166 | ·</span><span·class="p"·data-group-id="4873970610-7">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="s">"535216"</span><span·class="p">,</span><span·class="s">"Chalker"</span><span·class="p">,</span><span·class="s">"Samuel"</span><span·class[·...·truncated·by·diffoscope;·len:·133,·SHA:·c486394b8813f5eb1200261989e533634542b8e571da3243f2f09ef0e3a9ced2·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 167 | ·</span><span·class="p"·data-group-id=" | 167 | ·</span><span·class="p"·data-group-id="4873970610-8">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="s">"789789"</span><span·class="p">,</span><span·class="s">"Harrysson"</span><span·class="p">,</span><span·class="s">"Joe"</span><span·class=[·...·truncated·by·diffoscope;·len:·132,·SHA:·3959d614cdd18e8620a319f68bee3918378b921e72ad46a0f8cf9654381e8528·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 168 | ·</span><span·class="p"·data-group-id=" | 168 | ·</span><span·class="p"·data-group-id="4873970610-9">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="s">"963721"</span><span·class="p">,</span><span·class="s">"Scott"</span><span·class="p">,</span><span·class="s">"Juliana"</span><span·class=[·...·truncated·by·diffoscope;·len:·132,·SHA:·f30e7c7378bb62c9b412c7e57834da73c71b8a4271168bead0f20eeacb89d4d3·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 169 | ·</span><span·class="p"·data-group-id=" | 169 | ·</span><span·class="p"·data-group-id="4873970610-10">{</span><span·class="ss">emp</span><span·class="p">,</span><span·class="s">"989891"</span><span·class="p">,</span><span·class="s">"Brown"</span><span·class="p">,</span><span·class="s">"Gabriel"</span><span·class[·...·truncated·by·diffoscope;·len:·188,·SHA:·5e4a8fa83b719c20e8f475379b3da8feeb605e5ee2247b24d319df763ff35c9a·...·]-1">]</span></code></pre><p>Assuming·that·we·want·the·employee·numbers·of·everyone·in·the·sales·department, |
| 170 | there·are·several·ways.</p><p><a·href="ets.html#match/2"><code·class="inline">ets:match/2</code></a>·can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id="5 | 170 | there·are·several·ways.</p><p><a·href="ets.html#match/2"><code·class="inline">ets:match/2</code></a>·can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">match</span><span·class="p"·data-group-id="5880924632-1">(</span><span·class="ss">emp_tab</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5880924632-2">{</span><span·class="ss">'_'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">[·...·truncated·by·diffoscope;·len:·436,·SHA:·199ef4754274966273e1f47ddf2637194d0d6eb8e5fb53abf34e4996eab86c66·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="p"·data-group-id="5 | 171 | </span><span·class="p"·data-group-id="5880924632-3">[</span><span·class="p"·data-group-id="5880924632-4">[</span><span·class="s">"011103"</span><span·class="p"·data-group-id="5880924632-4">]</span><span·class="p">,</span><span·class="p"·data-group-id="5880924632-5">[</span><span·class[·...·truncated·by·diffoscope;·len:·124,·SHA:·06f471f0ca9b4ececc9f8509ecec98ce7cd60cac60792f2cb487d8487790b23d·...·]-3">]</span></code></pre><p><a·href="ets.html#match/2"><code·class="inline">ets:match/2</code></a>·uses·a·simpler·type·of·match·specification,·but·it·is·still |
| 172 | unreadable,·and·one·has·little·control·over·the·returned·result.·It·is·always·a | 172 | unreadable,·and·one·has·little·control·over·the·returned·result.·It·is·always·a |
| 173 | list·of·lists.</p><p><a·href="ets.html#foldl/3"><code·class="inline">ets:foldl/3</code></a>·or·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·can·be·used·to·avoid·the·nested·lists:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id=" | 173 | list·of·lists.</p><p><a·href="ets.html#foldl/3"><code·class="inline">ets:foldl/3</code></a>·or·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·can·be·used·to·avoid·the·nested·lists:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id="9727110061-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="9727110061-2">(</span><span·class="o">#</span><span·class="ss">emp</span><span·class="p"·data-group-id="9727110061-3">{</span><span·class="ss">empno</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·700,·SHA:·ee2238540bdf49863d455ace5806c0a0445a0cb0526a3e9acc24095dd74c607c·...·]-4">]</span><span·class="p">;</span><span·class="w"> |
| 174 | ·············</span><span·class="p"·data-group-id=" | 174 | ·············</span><span·class="p"·data-group-id="9727110061-5">(</span><span·class="p">_</span><span·class="p">,</span><span·class="n">Acc</span><span·class="p"·data-group-id="9727110061-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Acc</span><span·class="w"> |
| 175 | ··········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 175 | ··········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 176 | ··········</span><span·class="p"·data-group-id=" | 176 | ··········</span><span·class="p"·data-group-id="9727110061-6">[</span><span·class="p"·data-group-id="9727110061-6">]</span><span·class="p">,</span><span·class="w"> |
| 177 | ··········</span><span·class="ss">emp_tab</span><span·class="p"·data-group-id=" | 177 | ··········</span><span·class="ss">emp_tab</span><span·class="p"·data-group-id="9727110061-1">)</span><span·class="p">.</span></code></pre><p>The·result·is·<code·class="inline">["011103","076324"]</code>.·The·fun·is·straightforward,·so·the·only |
| 178 | problem·is·that·all·the·data·from·the·table·must·be·transferred·from·the·table | 178 | problem·is·that·all·the·data·from·the·table·must·be·transferred·from·the·table |
| 179 | to·the·calling·process·for·filtering.·That·is·inefficient·compared·to·the | 179 | to·the·calling·process·for·filtering.·That·is·inefficient·compared·to·the |
| 180 | <a·href="ets.html#match/2"><code·class="inline">ets:match/2</code></a>·call·where·the·filtering·can·be·done·"inside"·the·emulator·and | 180 | <a·href="ets.html#match/2"><code·class="inline">ets:match/2</code></a>·call·where·the·filtering·can·be·done·"inside"·the·emulator·and |
| 181 | only·the·result·is·transferred·to·the·process.</p><p>Consider·a·"pure"·<a·href="ets.html#select/2"><code·class="inline">ets:select/2</code></a>·call·that·does·what·<code·class="inline">ets:foldr</code>·does:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 181 | only·the·result·is·transferred·to·the·process.</p><p>Consider·a·"pure"·<a·href="ets.html#select/2"><code·class="inline">ets:select/2</code></a>·call·that·does·what·<code·class="inline">ets:foldr</code>·does:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="3442650749-1">(</span><span·class="ss">emp_tab</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3442650749-2">[</span><span·class="p"·data-group-id="3442650749-3">{</span><span·class="o">#</span><span·class="ss">emp</spa[·...·truncated·by·diffoscope;·len:·996,·SHA:·0527793cf1bd03592e9121b5c4c5c3c18fe81caffe2b18d85d992dd9e04f9f4b·...·]-1">)</span><span·class="p">.</span></code></pre><p>Although·the·record·syntax·is·used,·it·is·still·hard·to·read·and·even·harder·to |
| 182 | write.·The·first·element·of·the·tuple, | 182 | write.·The·first·element·of·the·tuple, |
| 183 | <code·class="inline">#emp{empno·=·'$1',·dept·=·sales,·_='_'}</code>,·tells·what·to·match.·Elements·not | 183 | <code·class="inline">#emp{empno·=·'$1',·dept·=·sales,·_='_'}</code>,·tells·what·to·match.·Elements·not |
| 184 | matching·this·are·not·returned,·as·in·the·<a·href="ets.html#match/2"><code·class="inline">ets:match/2</code></a>·example.·The·second | 184 | matching·this·are·not·returned,·as·in·the·<a·href="ets.html#match/2"><code·class="inline">ets:match/2</code></a>·example.·The·second |
| 185 | element,·the·empty·list,·is·a·list·of·guard·expressions,·which·we·do·not·need. | 185 | element,·the·empty·list,·is·a·list·of·guard·expressions,·which·we·do·not·need. |
| 186 | The·third·element·is·the·list·of·expressions·constructing·the·return·value·(in | 186 | The·third·element·is·the·list·of·expressions·constructing·the·return·value·(in |
| 187 | ETS·this·is·almost·always·a·list·containing·one·single·term).·In·our·case·<code·class="inline">'$1'</code> | 187 | ETS·this·is·almost·always·a·list·containing·one·single·term).·In·our·case·<code·class="inline">'$1'</code> |
| 188 | is·bound·to·the·employee·number·in·the·head·(first·element·of·the·tuple),·and | 188 | is·bound·to·the·employee·number·in·the·head·(first·element·of·the·tuple),·and |
| 189 | hence·the·employee·number·is·returned.·The·result·is·<code·class="inline">["011103","076324"]</code>,·as | 189 | hence·the·employee·number·is·returned.·The·result·is·<code·class="inline">["011103","076324"]</code>,·as |
| 190 | in·the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·example,·but·the·result·is·retrieved·much·more·efficiently | 190 | in·the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·example,·but·the·result·is·retrieved·much·more·efficiently |
| 191 | in·terms·of·execution·speed·and·memory·consumption.</p><p>Using·<a·href="ets.html#fun2ms/1"><code·class="inline">ets:fun2ms/1</code></a>,·we·can·combine·the·ease·of·use·of·the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·and | 191 | in·terms·of·execution·speed·and·memory·consumption.</p><p>Using·<a·href="ets.html#fun2ms/1"><code·class="inline">ets:fun2ms/1</code></a>,·we·can·combine·the·ease·of·use·of·the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·and |
| 192 | the·efficiency·of·the·pure·<a·href="ets.html#select/2"><code·class="inline">ets:select/2</code></a>·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 192 | the·efficiency·of·the·pure·<a·href="ets.html#select/2"><code·class="inline">ets:select/2</code></a>·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="2943910004-1">(</span><span·class="s">"stdlib/include/ms_transform.hrl"</span><span·class="p"·data-group-id="2943910004-1">)</span><span·class="p">.</span><span·class="w"> |
| 193 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 193 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="2943910004-2">(</span><span·class="ss">emp_tab</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="2943910004-3">(</span><span·class="w"> |
| 194 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 194 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id="2943910004-4">(</span><span·class="o">#</span><span·class="ss">emp</span><span·class="p"·data-group-id="2943910004-5">{</span><span·class="ss">empno</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span[·...·truncated·by·diffoscope;·len:·266,·SHA:·a7978f8c784f99596d2ec48bbb42b2b7b5ed380301060839c47765203943f0bf·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 195 | ······························</span><span·class="n">E</span><span·class="w"> | 195 | ······························</span><span·class="n">E</span><span·class="w"> |
| 196 | ······················</span><span·class="k">end</span><span·class="p"·data-group-id=" | 196 | ······················</span><span·class="k">end</span><span·class="p"·data-group-id="2943910004-3">)</span><span·class="p"·data-group-id="2943910004-2">)</span><span·class="p">.</span></code></pre><p>This·example·requires·no·special·knowledge·of·match·specifications·to |
| 197 | understand.·The·head·of·the·fun·matches·what·you·want·to·filter·out·and·the·body | 197 | understand.·The·head·of·the·fun·matches·what·you·want·to·filter·out·and·the·body |
| 198 | returns·what·you·want·returned.·As·long·as·the·fun·can·be·kept·within·the·limits | 198 | returns·what·you·want·returned.·As·long·as·the·fun·can·be·kept·within·the·limits |
| 199 | of·the·match·specifications,·there·is·no·need·to·transfer·all·table·data·to·the | 199 | of·the·match·specifications,·there·is·no·need·to·transfer·all·table·data·to·the |
| 200 | process·for·filtering·as·in·the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·example.·It·is·easier·to·read·than | 200 | process·for·filtering·as·in·the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·example.·It·is·easier·to·read·than |
| 201 | the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·example,·as·the·select·call·in·itself·discards·anything·that | 201 | the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·example,·as·the·select·call·in·itself·discards·anything·that |
| 202 | does·not·match,·while·the·fun·of·the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·call·needs·to·handle·both·the | 202 | does·not·match,·while·the·fun·of·the·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·call·needs·to·handle·both·the |
| 203 | elements·matching·and·the·ones·not·matching.</p><p>In·the·<a·href="ets.html#fun2ms/1"><code·class="inline">ets:fun2ms/1</code></a>·example·above,·it·is·needed·to·include·<code·class="inline">ms_transform.hrl</code> | 203 | elements·matching·and·the·ones·not·matching.</p><p>In·the·<a·href="ets.html#fun2ms/1"><code·class="inline">ets:fun2ms/1</code></a>·example·above,·it·is·needed·to·include·<code·class="inline">ms_transform.hrl</code> |
| Offset 212, 90 lines modified | Offset 212, 90 lines modified | ||
| 212 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 212 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 213 | ··</a> | 213 | ··</a> |
| 214 | ··<span·class="text">Example·2</span> | 214 | ··<span·class="text">Example·2</span> |
| 215 | </h2> | 215 | </h2> |
| 216 | <p>Assume·that·we·want·to·get·all·the·employee·numbers·of·employees·hired·before | 216 | <p>Assume·that·we·want·to·get·all·the·employee·numbers·of·employees·hired·before |
| 217 | year·2000.·Using·<a·href="ets.html#match/2"><code·class="inline">ets:match/2</code></a>·is·not·an·alternative·here,·as·relational | 217 | year·2000.·Using·<a·href="ets.html#match/2"><code·class="inline">ets:match/2</code></a>·is·not·an·alternative·here,·as·relational |
| 218 | operators·cannot·be·expressed·there.·Once·again,·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·can·do·it | 218 | operators·cannot·be·expressed·there.·Once·again,·<a·href="ets.html#foldr/3"><code·class="inline">ets:foldr/3</code></a>·can·do·it |
| 219 | (slowly,·but·correct):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id=" | 219 | (slowly,·but·correct):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">foldr</span><span·class="p"·data-group-id="5372884720-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="5372884720-2">(</span><span·class="o">#</span><span·class="ss">emp</span><span·class="p"·data-group-id="5372884720-3">{</span><span·class="ss">empno</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·900,·SHA:·e65806283d6a0630b72267abb42cf59ea3cbe57bb0169cd5c5d10bd96d34c932·...·]-4">]</span><span·class="p">;</span><span·class="w"> |
| 220 | ··················</span><span·class="p"·data-group-id=" | 220 | ··················</span><span·class="p"·data-group-id="5372884720-5">(</span><span·class="p">_</span><span·class="p">,</span><span·class="n">Acc</span><span·class="p"·data-group-id="5372884720-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Acc</span><span·class="w"> |
| 221 | ··········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 221 | ··········</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 222 | ··········</span><span·class="p"·data-group-id=" | 222 | ··········</span><span·class="p"·data-group-id="5372884720-6">[</span><span·class="p"·data-group-id="5372884720-6">]</span><span·class="p">,</span><span·class="w"> |
| 223 | ··········</span><span·class="ss">emp_tab</span><span·class="p"·data-group-id=" | 223 | ··········</span><span·class="ss">emp_tab</span><span·class="p"·data-group-id="5372884720-1">)</span><span·class="p">.</span></code></pre><p>The·result·is·<code·class="inline">["052341","076324","535216","789789","989891"]</code>,·as·expected.·The |
| 224 | equivalent·expression·using·a·handwritten·match·specification·would·look·like | 224 | equivalent·expression·using·a·handwritten·match·specification·would·look·like |
| 225 | this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 225 | this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="9449078854-1">(</span><span·class="ss">emp_tab</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9449078854-2">[</span><span·class="p"·data-group-id="9449078854-3">{</span><span·class="o">#</span><span·class="ss">emp</spa[·...·truncated·by·diffoscope;·len:·551,·SHA:·34c6595dd2b89ea391362df8e212ccf161db65c3fea73f0f5b61e46672835c0e·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 226 | ·····················</span><span·class="p"·data-group-id=" | 226 | ·····················</span><span·class="p"·data-group-id="9449078854-5">[</span><span·class="p"·data-group-id="9449078854-6">{</span><span·class="ss">'<'</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'$2'</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·111,·SHA:·873fe2d64aede723c0bdcddc2d23fccc0bec9dde6bd5fc22a6b89974250dde53·...·]-5">]</span><span·class="p">,</span><span·class="w"> |
| 227 | ·····················</span><span·class="p"·data-group-id=" | 227 | ·····················</span><span·class="p"·data-group-id="9449078854-7">[</span><span·class="ss">'$1'</span><span·class="p"·data-group-id="9449078854-7">]</span><span·class="p"·data-group-id="9449078854-3">}</span><span·class="p"·data-group-id="9449078854-2">]</span><span·class="p"·data-group-id="94490788[·...·truncated·by·diffoscope;·len:·2,·SHA:·2fca346db656187102ce806ac732e06a62df0dbb2829e511a770556d398e1a6e·...·]-1">)</span><span·class="p">.</span></code></pre><p>This·gives·the·same·result.·<code·class="inline">[{'<',·'$2',·2000}]</code>·is·in·the·guard·part·and |
| 228 | therefore·discards·anything·that·does·not·have·an·<code·class="inline">empyear</code>·(bound·to·<code·class="inline">'$2'</code>·in | 228 | therefore·discards·anything·that·does·not·have·an·<code·class="inline">empyear</code>·(bound·to·<code·class="inline">'$2'</code>·in |
| 229 | the·head)·less·than·2000,·as·the·guard·in·the·<code·class="inline">foldr/3</code>·example.</p><p>We·write·it·using·<a·href="ets.html#fun2ms/1"><code·class="inline">ets:fun2ms/1</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 229 | the·head)·less·than·2000,·as·the·guard·in·the·<code·class="inline">foldr/3</code>·example.</p><p>We·write·it·using·<a·href="ets.html#fun2ms/1"><code·class="inline">ets:fun2ms/1</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="8560058287-1">(</span><span·class="s">"stdlib/include/ms_transform.hrl"</span><span·class="p"·data-group-id="8560058287-1">)</span><span·class="p">.</span><span·class="w"> |
| 230 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 230 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="8560058287-2">(</span><span·class="ss">emp_tab</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="8560058287-3">(</span><span·class="w"> |
| 231 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 231 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id="8560058287-4">(</span><span·class="o">#</span><span·class="ss">emp</span><span·class="p"·data-group-id="8560058287-5">{</span><span·class="ss">empno</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span[·...·truncated·by·diffoscope;·len:·264,·SHA:·fe823fafb1d36e8fab849914d6bc62af57546e8af9ce8897c112d9bcac1cfe82·...·]-4">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Y</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">2000</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ···························</span><span·class="n">E</span><span·class="w"> | 232 | ···························</span><span·class="n">E</span><span·class="w"> |
| 233 | ······················</span><span·class="k">end</span><span·class="p"·data-group-id=" | 233 | ······················</span><span·class="k">end</span><span·class="p"·data-group-id="8560058287-3">)</span><span·class="p"·data-group-id="8560058287-2">)</span><span·class="p">.</span></code></pre><h2·id="module-example-3"·class="section-heading"> |
| 234 | ··<a·href="#module-example-3"·class="hover-link"> | 234 | ··<a·href="#module-example-3"·class="hover-link"> |
| 235 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 235 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 236 | ··</a> | 236 | ··</a> |
| 237 | ··<span·class="text">Example·3</span> | 237 | ··<span·class="text">Example·3</span> |
| 238 | </h2> | 238 | </h2> |
| 239 | <p>Assume·that·we·want·the·whole·object·matching·instead·of·only·one·element.·One | 239 | <p>Assume·that·we·want·the·whole·object·matching·instead·of·only·one·element.·One |
| 240 | alternative·is·to·assign·a·variable·to·every·part·of·the·record·and·build·it·up | 240 | alternative·is·to·assign·a·variable·to·every·part·of·the·record·and·build·it·up |
| 241 | once·again·in·the·body·of·the·fun,·but·the·following·is·easier:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 241 | once·again·in·the·body·of·the·fun,·but·the·following·is·easier:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="6542559796-1">(</span><span·class="ss">emp_tab</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="6542559796-2">(</span><span·class="w"> |
| 242 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 242 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id="6542559796-3">(</span><span·class="n">Obj</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">emp</span><span·class="p"·data-group-id="6542559796-4">{</span><span·class="ss">empno</span><sp[·...·truncated·by·diffoscope;·len:·362,·SHA:·5e6c8d77ec99a914778cfde06be8198659342276ab5a37914f48fb862e09d988·...·]-3">)</span><span·class="w"> |
| 243 | ·························</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Y</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">2000</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 243 | ·························</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Y</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">2000</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 244 | ······························</span><span·class="n">Obj</span><span·class="w"> | 244 | ······························</span><span·class="n">Obj</span><span·class="w"> |
| 245 | ······················</span><span·class="k">end</span><span·class="p"·data-group-id=" | 245 | ······················</span><span·class="k">end</span><span·class="p"·data-group-id="6542559796-2">)</span><span·class="p"·data-group-id="6542559796-1">)</span><span·class="p">.</span></code></pre><p>As·in·ordinary·Erlang·matching,·you·can·bind·a·variable·to·the·whole·matched |
| 246 | object·using·a·"match·inside·the·match",·that·is,·a·<code·class="inline">=</code>.·Unfortunately·in·funs | 246 | object·using·a·"match·inside·the·match",·that·is,·a·<code·class="inline">=</code>.·Unfortunately·in·funs |
| 247 | translated·to·match·specifications,·it·is·allowed·only·at·the·"top-level",·that | 247 | translated·to·match·specifications,·it·is·allowed·only·at·the·"top-level",·that |
| 248 | is,·matching·the·<em>whole</em>·object·arriving·to·be·matched·into·a·separate·variable. | 248 | is,·matching·the·<em>whole</em>·object·arriving·to·be·matched·into·a·separate·variable. |
| 249 | If·you·are·used·to·writing·match·specifications·by·hand,·we·mention·that | 249 | If·you·are·used·to·writing·match·specifications·by·hand,·we·mention·that |
| 250 | variable·A·is·simply·translated·into·'$_'.·Alternatively,·pseudo·function | 250 | variable·A·is·simply·translated·into·'$_'.·Alternatively,·pseudo·function |
| 251 | <code·class="inline">object/0</code>·also·returns·the·whole·matched·object,·see·section | 251 | <code·class="inline">object/0</code>·also·returns·the·whole·matched·object,·see·section |
| 252 | <a·href="ms_transform.html#warnings_and_restrictions">Warnings·and·Restrictions</a>.</p><h2·id="module-example-4"·class="section-heading"> | 252 | <a·href="ms_transform.html#warnings_and_restrictions">Warnings·and·Restrictions</a>.</p><h2·id="module-example-4"·class="section-heading"> |
| 253 | ··<a·href="#module-example-4"·class="hover-link"> | 253 | ··<a·href="#module-example-4"·class="hover-link"> |
| 254 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 254 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 255 | ··</a> | 255 | ··</a> |
| 256 | ··<span·class="text">Example·4</span> | 256 | ··<span·class="text">Example·4</span> |
| 257 | </h2> | 257 | </h2> |
| 258 | <p>This·example·concerns·the·body·of·the·fun.·Assume·that·all·employee·numbers | 258 | <p>This·example·concerns·the·body·of·the·fun.·Assume·that·all·employee·numbers |
| 259 | beginning·with·zero·(<code·class="inline">0</code>)·must·be·changed·to·begin·with·one·(<code·class="inline">1</code>)·instead,·and | 259 | beginning·with·zero·(<code·class="inline">0</code>)·must·be·changed·to·begin·with·one·(<code·class="inline">1</code>)·instead,·and |
| 260 | that·we·want·to·create·the·list·<code·class="inline">[{<Old·empno>,<New·empno>}]</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 260 | that·we·want·to·create·the·list·<code·class="inline">[{<Old·empno>,<New·empno>}]</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="6716250984-1">(</span><span·class="ss">emp_tab</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="6716250984-2">(</span><span·class="w"> |
| 261 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 261 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id="6716250984-3">(</span><span·class="o">#</span><span·class="ss">emp</span><span·class="p"·data-group-id="6716250984-4">{</span><span·class="ss">empno</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·320,·SHA:·25fb96f5fea768a2a55c330ad26ac8c25e8f41d17b666e5917674a9206c5f2d7·...·]-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 262 | ······························</span><span·class="p"·data-group-id=" | 262 | ······························</span><span·class="p"·data-group-id="6716250984-6">{</span><span·class="p"·data-group-id="6716250984-7">[</span><span·class="sc">$0</span><span·class="p">|</span><span·class="n">Rest</span><span·class="p"·data-group-id="6716250984-7">]</span><span·class="p">,</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·197,·SHA:·4ab6074908de05eabff4ed98e45ebf490bc5636d05224c1d375cfe9e5607881e·...·]-6">}</span><span·class="w"> |
| 263 | ······················</span><span·class="k">end</span><span·class="p"·data-group-id=" | 263 | ······················</span><span·class="k">end</span><span·class="p"·data-group-id="6716250984-2">)</span><span·class="p"·data-group-id="6716250984-1">)</span><span·class="p">.</span></code></pre><p>This·query·hits·the·feature·of·partially·bound·keys·in·table·type·<code·class="inline">ordered_set</code>, |
| 264 | so·that·not·the·whole·table·needs·to·be·searched,·only·the·part·containing·keys | 264 | so·that·not·the·whole·table·needs·to·be·searched,·only·the·part·containing·keys |
| 265 | beginning·with·<code·class="inline">0</code>·is·looked·into.</p><h2·id="module-example-5"·class="section-heading"> | 265 | beginning·with·<code·class="inline">0</code>·is·looked·into.</p><h2·id="module-example-5"·class="section-heading"> |
| 266 | ··<a·href="#module-example-5"·class="hover-link"> | 266 | ··<a·href="#module-example-5"·class="hover-link"> |
| 267 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 267 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 268 | ··</a> | 268 | ··</a> |
| 269 | ··<span·class="text">Example·5</span> | 269 | ··<span·class="text">Example·5</span> |
| 270 | </h2> | 270 | </h2> |
| 271 | <p>The·fun·can·have·many·clauses.·Assume·that·we·want·to·do·the·following:</p><ul><li>If·an·employee·started·before·1997,·return·the·tuple | 271 | <p>The·fun·can·have·many·clauses.·Assume·that·we·want·to·do·the·following:</p><ul><li>If·an·employee·started·before·1997,·return·the·tuple |
| 272 | <code·class="inline">{inventory,·<employee·number>}</code>.</li><li>If·an·employee·started·1997·or·later,·but·before·2001,·return | 272 | <code·class="inline">{inventory,·<employee·number>}</code>.</li><li>If·an·employee·started·1997·or·later,·but·before·2001,·return |
| 273 | <code·class="inline">{rookie,·<employee·number>}</code>.</li><li>For·all·other·employees,·return·<code·class="inline">{newbie,·<employee·number>}</code>,·except·for | 273 | <code·class="inline">{rookie,·<employee·number>}</code>.</li><li>For·all·other·employees,·return·<code·class="inline">{newbie,·<employee·number>}</code>,·except·for |
| 274 | those·named·<code·class="inline">Smith</code>·as·they·would·be·affronted·by·anything·other·than·the·tag | 274 | those·named·<code·class="inline">Smith</code>·as·they·would·be·affronted·by·anything·other·than·the·tag |
| 275 | <code·class="inline">guru</code>·and·that·is·also·what·is·returned·for·their·numbers: | 275 | <code·class="inline">guru</code>·and·that·is·also·what·is·returned·for·their·numbers: |
| 276 | <code·class="inline">{guru,·<employee·number>}</code>.</li></ul><p>This·is·accomplished·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id=" | 276 | <code·class="inline">{guru,·<employee·number>}</code>.</li></ul><p>This·is·accomplished·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">select</span><span·class="p"·data-group-id="9237993961-1">(</span><span·class="ss">emp_tab</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">ets</span><span·class="p">:</span><span·class="nf">fun2ms</span><span·class="p"·data-group-id="9237993961-2">(</span><span·class="w"> |
| 277 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 277 | ······················</span><span·class="nf">fun</span><span·class="p"·data-group-id="9237993961-3">(</span><span·class="o">#</span><span·class="ss">emp</span><span·class="p"·data-group-id="9237993961-4">{</span><span·class="ss">empno</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span[·...·truncated·by·diffoscope;·len:·304,·SHA:·2ee53d62e11521e91804da98fd52d9fef354e42b765b6fdc971e526641c85a71·...·]-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 278 | ······························</span><span·class="p"·data-group-id=" | 278 | ······························</span><span·class="p"·data-group-id="9237993961-5">{</span><span·class="ss">guru</span><span·class="p">,</span><span·class="n">E</span><span·class="p"·data-group-id="9237993961-5">}</span><span·class="p">;</span><span·class="w"> |
| 279 | ·························</span><span·class="p"·data-group-id=" | 279 | ·························</span><span·class="p"·data-group-id="9237993961-6">(</span><span·class="o">#</span><span·class="ss">emp</span><span·class="p"·data-group-id="9237993961-7">{</span><span·class="ss">empno</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><span[·...·truncated·by·diffoscope;·len:·264,·SHA:·aa9eab00bc0e965a910883175bb1421f5c8fbed2c490b2dbc6d484b39d092b84·...·]-6">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Y</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="mi">1997</span><span·class="w">··</span><span·class="p">-></span><span·class="w"> |
| 280 | ······························</span><span·class="p"·data-group-id=" | 280 | ······························</span><span·class="p"·data-group-id="9237993961-8">{</span><span·class="ss">inventory</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="p"·data-group-id="9237993961-8">}</span><span·class="p">;</span><span·class="w"> |
| 281 | ·························</span><span·class="p"·data-group-id=" | 281 | ·························</span><span·class="p"·data-group-id="9237993961-9">(</span><span·class="o">#</span><span·class="ss">emp</span><span·class="p"·data-group-id="9237993961-10">{</span><span·class="ss">empno</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">E</span><spa[·...·truncated·by·diffoscope;·len:·266,·SHA:·5e92493b2383315e80a2d8d4579272e088fb3172f2f3f89681ed18c5bbcbbe5d·...·]-9">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Y</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">2001</span><span·class="w">··</span><span·class="p">-></span><span·class="w"> |
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| 147 | ··<a·href="#fixed-bugs-and-malfunctions-1"·class="hover-link"> | 147 | ··<a·href="#fixed-bugs-and-malfunctions-1"·class="hover-link"> |
| 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 149 | ··</a> | 149 | ··</a> |
| 150 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> | 150 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> |
| 151 | </h3> | 151 | </h3> |
| 152 | <ul><li><p>Made·it·possible·to·expand·help·text·displayed·by·pressing·^[h·by·pressing·^[h·again.</p><p>Own·Id:·OTP-19260·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8884"·title="">PR-8884</a></p></li><li><p>Defining·a·fun·in·the·shell·using·the·syntax·<code·class="inline">fun·Name/Arity</code>·would·fail.·This·has·been·corrected·so·that·the·following·now·works:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nb">is_atom</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> | 152 | <ul><li><p>Made·it·possible·to·expand·help·text·displayed·by·pressing·^[h·by·pressing·^[h·again.</p><p>Own·Id:·OTP-19260·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8884"·title="">PR-8884</a></p></li><li><p>Defining·a·fun·in·the·shell·using·the·syntax·<code·class="inline">fun·Name/Arity</code>·would·fail.·This·has·been·corrected·so·that·the·following·now·works:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">F</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="nb">is_atom</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> |
| 153 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="p">.</span><span·class="ss">erl</span><span·class="p">.</span><span·class="mf">42.18682967</span><span·class="o">></span><span·class="gp·unselectable"> | 153 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="p">.</span><span·class="ss">erl</span><span·class="p">.</span><span·class="mf">42.18682967</span><span·class="o">></span><span·class="gp·unselectable"> |
| 154 | >·</span><span·class="n">F</span><span·class="p"·data-group-id=" | 154 | >·</span><span·class="n">F</span><span·class="p"·data-group-id="2941711949-1">(</span><span·class="ss">a</span><span·class="p"·data-group-id="2941711949-1">)</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 155 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 156 | 3>·</span><span·class="n">Id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">id</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> | 156 | 3>·</span><span·class="n">Id</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">id</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="p">.</span><span·class="ss">erl</span><span·class="p">.</span><span·class="mf">42.18682967</span><span·class="o">></span><span·class="gp·unselectable"> | 157 | </span><span·class="p">#</span><span·class="n">Fun</span><span·class="p">.</span><span·class="ss">erl</span><span·class="p">.</span><span·class="mf">42.18682967</span><span·class="o">></span><span·class="gp·unselectable"> |
| 158 | 4>·</span><span·class="n">Id</span><span·class="p"·data-group-id=" | 158 | 4>·</span><span·class="n">Id</span><span·class="p"·data-group-id="2941711949-2">(</span><span·class="mi">42</span><span·class="p"·data-group-id="2941711949-2">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="gt">**·exception·error:·undefined·shell·command·id/1</span><span·class="gp·unselectable"> | 159 | </span><span·class="gt">**·exception·error:·undefined·shell·command·id/1</span><span·class="gp·unselectable"> |
| 160 | 5>·</span><span·class="nf">id</span><span·class="p"·data-group-id=" | 160 | 5>·</span><span·class="nf">id</span><span·class="p"·data-group-id="2941711949-3">(</span><span·class="n">I</span><span·class="p"·data-group-id="2941711949-3">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">I</span><span·class="p">.</span><span·class="w"> |
| 161 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 161 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 162 | 6>·</span><span·class="n">Id</span><span·class="p"·data-group-id=" | 162 | 6>·</span><span·class="n">Id</span><span·class="p"·data-group-id="2941711949-4">(</span><span·class="mi">42</span><span·class="p"·data-group-id="2941711949-4">)</span><span·class="p">.</span><span·class="w"> |
| 163 | </span><span·class="mi">42</span></code></pre><p>The·Debugger·has·also·been·corrected·to·correctly·handle·this·syntax·for·a·BIF.</p><p>Own·Id:·OTP-19322·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8963"·title="">GH-8963</a>,·<a·href="https://github.com/erlang/otp/pull/8987"·title="">PR-8987</a></p></li><li><p>Fixed·a·bug·where·completion·of·'fun('·would·cause·the·shell·to·crash.</p><p>Own·Id:·OTP-19351·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9043"·title="">PR-9043</a></p></li><li><p>Fixed·a·bug·causing·the·shell·to·crash·while·trying·to·complete·an·expression·starting·with·a·'/'·or·a·variable·followed·by·'('·or·'/'.·E.g.·Foo/·and·Foo(.</p><p>Own·Id:·OTP-19361·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9078"·title="">PR-9078</a></p></li><li><p><a·href="zip.html#extract/2"><code·class="inline">zip:extract/2</code></a>·with·<code·class="inline">keep_old_files</code>·now·respects·the·<code·class="inline">cwd</code>·option.</p><p>Own·Id:·OTP-19370·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9097"·title="">PR-9097</a>,·<a·href="https://github.com/erlang/otp/issues/9087"·title="">GH-9087</a></p></li><li><p>Fixed·an·error·in·uri_string:percent_decode·spec</p><p>Own·Id:·OTP-19380·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8755"·title="">GH-8755</a></p></li></ul><h3·id="improvements-and-new-features"·class="section-heading"> | 163 | </span><span·class="mi">42</span></code></pre><p>The·Debugger·has·also·been·corrected·to·correctly·handle·this·syntax·for·a·BIF.</p><p>Own·Id:·OTP-19322·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8963"·title="">GH-8963</a>,·<a·href="https://github.com/erlang/otp/pull/8987"·title="">PR-8987</a></p></li><li><p>Fixed·a·bug·where·completion·of·'fun('·would·cause·the·shell·to·crash.</p><p>Own·Id:·OTP-19351·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9043"·title="">PR-9043</a></p></li><li><p>Fixed·a·bug·causing·the·shell·to·crash·while·trying·to·complete·an·expression·starting·with·a·'/'·or·a·variable·followed·by·'('·or·'/'.·E.g.·Foo/·and·Foo(.</p><p>Own·Id:·OTP-19361·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9078"·title="">PR-9078</a></p></li><li><p><a·href="zip.html#extract/2"><code·class="inline">zip:extract/2</code></a>·with·<code·class="inline">keep_old_files</code>·now·respects·the·<code·class="inline">cwd</code>·option.</p><p>Own·Id:·OTP-19370·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/9097"·title="">PR-9097</a>,·<a·href="https://github.com/erlang/otp/issues/9087"·title="">GH-9087</a></p></li><li><p>Fixed·an·error·in·uri_string:percent_decode·spec</p><p>Own·Id:·OTP-19380·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8755"·title="">GH-8755</a></p></li></ul><h3·id="improvements-and-new-features"·class="section-heading"> |
| 164 | ··<a·href="#improvements-and-new-features"·class="hover-link"> | 164 | ··<a·href="#improvements-and-new-features"·class="hover-link"> |
| 165 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 165 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 166 | ··</a> | 166 | ··</a> |
| 167 | ··<span·class="text">Improvements·and·New·Features</span> | 167 | ··<span·class="text">Improvements·and·New·Features</span> |
| 168 | </h3> | 168 | </h3> |
| 169 | <ul><li><p>Updated·shell·docs·to·display·the·type·spec,·that·is,·<code·class="inline">h(erlang,·min,·2)</code>)·now·prints·the·type·spec·and·documentation·in·the·shell.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">h</span><span·class="p"·data-group-id=" | 169 | <ul><li><p>Updated·shell·docs·to·display·the·type·spec,·that·is,·<code·class="inline">h(erlang,·min,·2)</code>)·now·prints·the·type·spec·and·documentation·in·the·shell.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="nf">h</span><span·class="p"·data-group-id="3131877097-1">(</span><span·class="ss">erlang</span><span·class="p">,</span><span·class="ss">min</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="3131877097-1">)</span><span·class="p">.</span><span·class="w"> |
| 170 | </span><span·class="w"> | 170 | </span><span·class="w"> |
| 171 | ··</span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">min</span><span·class="p"·data-group-id=" | 171 | ··</span><span·class="p">-</span><span·class="na">spec</span><span·class="w">·</span><span·class="nf">min</span><span·class="p"·data-group-id="3131877097-2">(</span><span·class="n">Term1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Term2</span><span·class="p"·data-group-id="3131877097-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Minimum</span><span·class="w"> |
| 172 | ···············</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Term1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id=" | 172 | ···············</span><span·class="k">when</span><span·class="w">·</span><span·class="n">Term1</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">term</span><span·class="p"·data-group-id="3131877097-3">(</span><span·class="p"·data-group-id="3131877097-3">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Term2</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·cla[·...·truncated·by·diffoscope;·len:·421,·SHA:·99194372aac1e0203ed7b440b5af3f42968fb99d2264bb071c2bc1d93a18706a·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 173 | ··</span><span·class="n">Returns</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">smallest</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="n">Term1</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="n">Term2</span><span·class="p">.</span><span·class="w">·</span><span·class="n">If</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">terms</span><span·class="w">·</span><span·class="ss">compare</span><span·class="w">·</span><span·class="ss">equal</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="ss">operator</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Term1</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">returned</span><span·class="p">.</span></code></pre><p>Own·Id:·OTP-19234·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8544"·title="">GH-8544</a>,·<a·href="https://github.com/erlang/otp/pull/8833"·title="">PR-8833</a></p></li><li><p>The·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:io_device/0"><code·class="inline">file:io_device/0</code></a>·type·has·been·updated·to·clearly·show·the·difference·between·a·<code·class="inline">raw</code>·and·<code·class="inline">cooked</code>·IoDevice.</p><p>Own·Id:·OTP-19301·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8956"·title="">PR-8956</a></p></li><li><p>Added·<a·href="json.html#format_key_value_list/3"><code·class="inline">json:format_key_value_list/3</code></a>·and | 173 | ··</span><span·class="n">Returns</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">smallest</span><span·class="w">·</span><span·class="k">of</span><span·class="w">·</span><span·class="n">Term1</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="n">Term2</span><span·class="p">.</span><span·class="w">·</span><span·class="n">If</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="ss">terms</span><span·class="w">·</span><span·class="ss">compare</span><span·class="w">·</span><span·class="ss">equal</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="ss">the</span><span·class="w">·</span><span·class="o">==</span><span·class="w">·</span><span·class="ss">operator</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Term1</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">returned</span><span·class="p">.</span></code></pre><p>Own·Id:·OTP-19234·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8544"·title="">GH-8544</a>,·<a·href="https://github.com/erlang/otp/pull/8833"·title="">PR-8833</a></p></li><li><p>The·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#t:io_device/0"><code·class="inline">file:io_device/0</code></a>·type·has·been·updated·to·clearly·show·the·difference·between·a·<code·class="inline">raw</code>·and·<code·class="inline">cooked</code>·IoDevice.</p><p>Own·Id:·OTP-19301·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8956"·title="">PR-8956</a></p></li><li><p>Added·<a·href="json.html#format_key_value_list/3"><code·class="inline">json:format_key_value_list/3</code></a>·and |
| 174 | <a·href="json.html#format_key_value_list_checked/3"><code·class="inline">json:format_key_value_list_checked/3</code></a>.</p><p>Own·Id:·OTP-19320·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8889"·title="">PR-8889</a></p></li><li><p>Improved·documentation·of·<a·href="../../../../erts-15.2.3/doc/html/time_correction.html#timers">timers</a>.</p><p>Own·Id:·OTP-19360·Aux·Id:·ERIERL-1149,·<a·href="https://github.com/erlang/otp/pull/9062"·title="">PR-9062</a></p></li><li><p>Added·logging·support·to·<a·href="io.html#t:user/0"><code·class="inline">io:user/0</code></a>,·<a·href="io.html#t:standard_io/0"><code·class="inline">io:standard_io/0</code></a>·and·<a·href="io.html#t:standard_error/0"><code·class="inline">io:standard_error/0</code></a>.·See·<a·href="io.html#setopts/2"><code·class="inline">io:setopts/2</code></a>·for·more·details.</p><p>Own·Id:·OTP-19372·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8947"·title="">PR-8947</a></p></li></ul><h2·id="stdlib-6-1-2"·class="section-heading"> | 174 | <a·href="json.html#format_key_value_list_checked/3"><code·class="inline">json:format_key_value_list_checked/3</code></a>.</p><p>Own·Id:·OTP-19320·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8889"·title="">PR-8889</a></p></li><li><p>Improved·documentation·of·<a·href="../../../../erts-15.2.3/doc/html/time_correction.html#timers">timers</a>.</p><p>Own·Id:·OTP-19360·Aux·Id:·ERIERL-1149,·<a·href="https://github.com/erlang/otp/pull/9062"·title="">PR-9062</a></p></li><li><p>Added·logging·support·to·<a·href="io.html#t:user/0"><code·class="inline">io:user/0</code></a>,·<a·href="io.html#t:standard_io/0"><code·class="inline">io:standard_io/0</code></a>·and·<a·href="io.html#t:standard_error/0"><code·class="inline">io:standard_error/0</code></a>.·See·<a·href="io.html#setopts/2"><code·class="inline">io:setopts/2</code></a>·for·more·details.</p><p>Own·Id:·OTP-19372·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8947"·title="">PR-8947</a></p></li></ul><h2·id="stdlib-6-1-2"·class="section-heading"> |
| 175 | ··<a·href="#stdlib-6-1-2"·class="hover-link"> | 175 | ··<a·href="#stdlib-6-1-2"·class="hover-link"> |
| 176 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 176 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 177 | ··</a> | 177 | ··</a> |
| 178 | ··<span·class="text">STDLIB·6.1.2</span> | 178 | ··<span·class="text">STDLIB·6.1.2</span> |
| Offset 245, 16 lines modified | Offset 245, 16 lines modified | ||
| 245 | <a·href="binary.html#split/2"><code·class="inline">binary:split/2,3</code></a></p><p>The·call·<code·class="inline">binary:copy(<<1:1>>,·0)</code>·would·return·an·empty·binary·instead·of·raising·an·exception.·Similarly,·calls·to·<a·href="binary.html#part/2"><code·class="inline">binary:part/2,3</code></a>·attempting·to·extract·0·bytes·at·position·0·of·a·bitstring·would·return·an·empty·binary·instead·of·raising·an·exception.</p><p>Own·Id:·OTP-18743·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7607"·title="">PR-7607</a>,·<a·href="https://github.com/erlang/otp/pull/7628"·title="">PR-7628</a></p></li><li><p>The·documentation·for·the·preprocessor·now·mentions·that·<code·class="inline">defined(Name)</code>·can·be·called·in·the·condition·for·an·<code·class="inline">-if</code>·or·<code·class="inline">-elif</code>·directive·to·test·whether·<code·class="inline">Name</code>·is·the·name·of·a·defined·macro.·(This·feature·was·implemented·in·OTP·21.)</p><p>If·a·function·call·in·an·<code·class="inline">-if</code>·or·<code·class="inline">-elif</code>·with·a·name·that·is·not·the·name·of·a·guard·BIF,·there·would·not·be·a·compilation·error,·but·would·instead·cause·the·lines·following·the·directive·to·be·skipped.·This·has·now·been·changed·to·be·a·compilation·error.</p><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-18784·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/7706"·title="">GH-7706</a>,·<a·href="https://github.com/erlang/otp/pull/7726"·title="">PR-7726</a></p></li><li><p><code·class="inline">get_until</code>·requests·using·the·I/O·protocol·now·correctly·return·a·binary·or·list·when·<code·class="inline">eof</code>·is·the·last·item·returned·by·the·callback.</p><p>Own·Id:·OTP-18930·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7993"·title="">PR-7993</a>,·<a·href="https://github.com/erlang/otp/issues/4992"·title="">GH-4992</a></p></li><li><p>The·error·handling·the·<code·class="inline">simple_one_for_one</code>·supervisor·has·been·enhanced.·A·transient·child·returning·<code·class="inline">ignore</code>·will·no·longer·cause·a·crash.</p><p>Also,·automatic·shutdown·has·been·disabled·because·it·does·not·make·sense·for·this·supervisor·type.·That·is·was·allowed·is·considered·a·bug.·Therefore,·we·don't·consider·this·an·incompatible·change.</p><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-19029·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8230"·title="">PR-8230</a></p></li><li><p>Fix·shell·expansion·to·not·crash·when·expanding·a·map·with·non-atom·keys·and·to·not·list·zero·arity·functions·when·an·argument·has·been·given.</p><p>Own·Id:·OTP-19073·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8375"·title="">PR-8375</a>,·<a·href="https://github.com/erlang/otp/issues/8366"·title="">GH-8366</a>,·<a·href="https://github.com/erlang/otp/issues/8365"·title="">GH-8365</a>,·<a·href="https://github.com/erlang/otp/issues/8364"·title="">GH-8364</a></p></li></ul><h3·id="improvements-and-new-features-2"·class="section-heading"> | 245 | <a·href="binary.html#split/2"><code·class="inline">binary:split/2,3</code></a></p><p>The·call·<code·class="inline">binary:copy(<<1:1>>,·0)</code>·would·return·an·empty·binary·instead·of·raising·an·exception.·Similarly,·calls·to·<a·href="binary.html#part/2"><code·class="inline">binary:part/2,3</code></a>·attempting·to·extract·0·bytes·at·position·0·of·a·bitstring·would·return·an·empty·binary·instead·of·raising·an·exception.</p><p>Own·Id:·OTP-18743·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7607"·title="">PR-7607</a>,·<a·href="https://github.com/erlang/otp/pull/7628"·title="">PR-7628</a></p></li><li><p>The·documentation·for·the·preprocessor·now·mentions·that·<code·class="inline">defined(Name)</code>·can·be·called·in·the·condition·for·an·<code·class="inline">-if</code>·or·<code·class="inline">-elif</code>·directive·to·test·whether·<code·class="inline">Name</code>·is·the·name·of·a·defined·macro.·(This·feature·was·implemented·in·OTP·21.)</p><p>If·a·function·call·in·an·<code·class="inline">-if</code>·or·<code·class="inline">-elif</code>·with·a·name·that·is·not·the·name·of·a·guard·BIF,·there·would·not·be·a·compilation·error,·but·would·instead·cause·the·lines·following·the·directive·to·be·skipped.·This·has·now·been·changed·to·be·a·compilation·error.</p><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-18784·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/7706"·title="">GH-7706</a>,·<a·href="https://github.com/erlang/otp/pull/7726"·title="">PR-7726</a></p></li><li><p><code·class="inline">get_until</code>·requests·using·the·I/O·protocol·now·correctly·return·a·binary·or·list·when·<code·class="inline">eof</code>·is·the·last·item·returned·by·the·callback.</p><p>Own·Id:·OTP-18930·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7993"·title="">PR-7993</a>,·<a·href="https://github.com/erlang/otp/issues/4992"·title="">GH-4992</a></p></li><li><p>The·error·handling·the·<code·class="inline">simple_one_for_one</code>·supervisor·has·been·enhanced.·A·transient·child·returning·<code·class="inline">ignore</code>·will·no·longer·cause·a·crash.</p><p>Also,·automatic·shutdown·has·been·disabled·because·it·does·not·make·sense·for·this·supervisor·type.·That·is·was·allowed·is·considered·a·bug.·Therefore,·we·don't·consider·this·an·incompatible·change.</p><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-19029·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8230"·title="">PR-8230</a></p></li><li><p>Fix·shell·expansion·to·not·crash·when·expanding·a·map·with·non-atom·keys·and·to·not·list·zero·arity·functions·when·an·argument·has·been·given.</p><p>Own·Id:·OTP-19073·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8375"·title="">PR-8375</a>,·<a·href="https://github.com/erlang/otp/issues/8366"·title="">GH-8366</a>,·<a·href="https://github.com/erlang/otp/issues/8365"·title="">GH-8365</a>,·<a·href="https://github.com/erlang/otp/issues/8364"·title="">GH-8364</a></p></li></ul><h3·id="improvements-and-new-features-2"·class="section-heading"> |
| 246 | ··<a·href="#improvements-and-new-features-2"·class="hover-link"> | 246 | ··<a·href="#improvements-and-new-features-2"·class="hover-link"> |
| 247 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 247 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 248 | ··</a> | 248 | ··</a> |
| 249 | ··<span·class="text">Improvements·and·New·Features</span> | 249 | ··<span·class="text">Improvements·and·New·Features</span> |
| 250 | </h3> | 250 | </h3> |
| 251 | <ul><li><p>The·functions·<a·href="sets.html#is_equal/2"><code·class="inline">is_equal/2</code></a>,·<a·href="sets.html#map/2"><code·class="inline">map/2</code></a>,·and·<a·href="sets.html#filtermap/2"><code·class="inline">filtermap/2</code></a>·have·been·added·to·the·modules·<a·href="sets.html"><code·class="inline">sets</code></a>,·<a·href="ordsets.html"><code·class="inline">ordsets</code></a>,·and·<a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>.</p><p>Own·Id:·OTP-18622·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7183"·title="">PR-7183</a>,·<a·href="https://github.com/erlang/otp/pull/7232"·title="">PR-7232</a></p></li><li><p>The·compiler·now·emits·nicer·error·message·for·function·head·mismatches. | 251 | <ul><li><p>The·functions·<a·href="sets.html#is_equal/2"><code·class="inline">is_equal/2</code></a>,·<a·href="sets.html#map/2"><code·class="inline">map/2</code></a>,·and·<a·href="sets.html#filtermap/2"><code·class="inline">filtermap/2</code></a>·have·been·added·to·the·modules·<a·href="sets.html"><code·class="inline">sets</code></a>,·<a·href="ordsets.html"><code·class="inline">ordsets</code></a>,·and·<a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>.</p><p>Own·Id:·OTP-18622·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7183"·title="">PR-7183</a>,·<a·href="https://github.com/erlang/otp/pull/7232"·title="">PR-7232</a></p></li><li><p>The·compiler·now·emits·nicer·error·message·for·function·head·mismatches. |
| 252 | For·example,·given:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">a</span><span·class="p"·data-group-id=" | 252 | For·example,·given:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">a</span><span·class="p"·data-group-id="9663297817-1">(</span><span·class="p"·data-group-id="9663297817-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 253 | </span><span·class="nf">a</span><span·class="p"·data-group-id=" | 253 | </span><span·class="nf">a</span><span·class="p"·data-group-id="9663297817-2">(</span><span·class="p">_</span><span·class="p"·data-group-id="9663297817-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">error</span><span·class="p">.</span></code></pre><p>Erlang/OTP·26·and·earlier·would·emit·a·diagnostic·similar·to:</p><pre><code·class="text">t.erl:6:1:·head·mismatch |
| 254 | %····6|·a(_)·->·error. | 254 | %····6|·a(_)·->·error. |
| 255 | %·····|·^</code></pre><p>while·in·Erlang/OTP·27·the·diagnostic·is·similar·to:</p><pre><code·class="text">t.erl:6:1:·head·mismatch:·function·a·with·arities·0·and·1·is·regarded·as·two·distinct·functions.·Is·the·number·of·arguments·incorrect·or·is·the·semicolon·in·a/0·unwanted? | 255 | %·····|·^</code></pre><p>while·in·Erlang/OTP·27·the·diagnostic·is·similar·to:</p><pre><code·class="text">t.erl:6:1:·head·mismatch:·function·a·with·arities·0·and·1·is·regarded·as·two·distinct·functions.·Is·the·number·of·arguments·incorrect·or·is·the·semicolon·in·a/0·unwanted? |
| 256 | %····6|·a(_)·->·error. | 256 | %····6|·a(_)·->·error. |
| 257 | %·····|·^</code></pre><p>Own·Id:·OTP-18648·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7383"·title="">PR-7383</a></p></li><li><p><a·href="zip.html#create/2"><code·class="inline">zip:create/2,3</code></a>·will·now·tolerate·POSIX·timestamps·in·the·provided·<code·class="inline">file_info</code>·records.</p><p>Own·Id:·OTP-18668</p></li><li><p>The·callback·function·<a·href="gen_statem.html#c:handle_event/4"><code·class="inline">gen_statem:handle_event/4</code></a>·has·been·cached·in·the·<code·class="inline">gen_statem</code>·engine·to·optimize·callback·call·speed.</p><p>Own·Id:·OTP-18671·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7419"·title="">PR-7419</a></p></li><li><p>The·type·<code·class="inline">beam_lib:beam/0</code>·is·now·exported.</p><p>Own·Id:·OTP-18716·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7534"·title="">PR-7534</a></p></li><li><p>The·documentation·for·the·<a·href="binary.html"><code·class="inline">binary</code></a>·module·has·been·improved.</p><p>Own·Id:·OTP-18741·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7585"·title="">PR-7585</a></p></li><li><p><a·href="binary.html#replace/3"><code·class="inline">binary:replace/3,4</code></a>·now·supports·using·a·fun·for·supplying·the·replacement·binary.</p><p>Own·Id:·OTP-18742·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7590"·title="">PR-7590</a></p></li><li><p>Triple-Quoted·Strings·has·been·implemented·as·per·<a·href="https://www.erlang.org/eeps/eep-0064">EEP·64</a>.·See·<a·href="../../../../doc/system/data_types.html#string">String</a>·in·the·Reference·Manual.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="s">""</span><span·class="s">" | 257 | %·····|·^</code></pre><p>Own·Id:·OTP-18648·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7383"·title="">PR-7383</a></p></li><li><p><a·href="zip.html#create/2"><code·class="inline">zip:create/2,3</code></a>·will·now·tolerate·POSIX·timestamps·in·the·provided·<code·class="inline">file_info</code>·records.</p><p>Own·Id:·OTP-18668</p></li><li><p>The·callback·function·<a·href="gen_statem.html#c:handle_event/4"><code·class="inline">gen_statem:handle_event/4</code></a>·has·been·cached·in·the·<code·class="inline">gen_statem</code>·engine·to·optimize·callback·call·speed.</p><p>Own·Id:·OTP-18671·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7419"·title="">PR-7419</a></p></li><li><p>The·type·<code·class="inline">beam_lib:beam/0</code>·is·now·exported.</p><p>Own·Id:·OTP-18716·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7534"·title="">PR-7534</a></p></li><li><p>The·documentation·for·the·<a·href="binary.html"><code·class="inline">binary</code></a>·module·has·been·improved.</p><p>Own·Id:·OTP-18741·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7585"·title="">PR-7585</a></p></li><li><p><a·href="binary.html#replace/3"><code·class="inline">binary:replace/3,4</code></a>·now·supports·using·a·fun·for·supplying·the·replacement·binary.</p><p>Own·Id:·OTP-18742·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7590"·title="">PR-7590</a></p></li><li><p>Triple-Quoted·Strings·has·been·implemented·as·per·<a·href="https://www.erlang.org/eeps/eep-0064">EEP·64</a>.·See·<a·href="../../../../doc/system/data_types.html#string">String</a>·in·the·Reference·Manual.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="s">""</span><span·class="s">" |
| 258 | ···a | 258 | ···a |
| 259 | ···b | 259 | ···b |
| 260 | ···c | 260 | ···c |
| Offset 269, 30 lines modified | Offset 269, 30 lines modified | ||
| 269 | ····. | 269 | ····. |
| 270 | ····. | 270 | ····. |
| 271 | ····. | 271 | ····. |
| 272 | <0.90.0>··············erlang:apply/2························2586····75011····0 | 272 | <0.90.0>··············erlang:apply/2························2586····75011····0 |
| 273 | my_label··············c:pinfo/2·······························51 | 273 | my_label··············c:pinfo/2·······························51 |
| 274 | 4>·proc_lib:get_label(self()). | 274 | 4>·proc_lib:get_label(self()). |
| 275 | my_label</code></pre><p>Own·Id:·OTP-18789·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7720"·title="">PR-7720</a>,·<a·href="https://github.com/erlang/otp/pull/8003"·title="">PR-8003</a></p></li><li><p><code·class="inline">-callback</code>·attributes·has·been·added·to·modules·<a·href="sys.html"><code·class="inline">sys</code></a>·and·<a·href="erl_error.html"><code·class="inline">erl_error</code></a>.</p><p>Own·Id:·OTP-18793·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7703"·title="">PR-7703</a></p></li><li><p>Several·new·functions·that·accept·funs·have·been·added·to·module·<a·href="timer.html"><code·class="inline">timer</code></a>.</p><p>Functions·<a·href="timer.html#apply_after/2"><code·class="inline">apply_after/2</code></a>,·<a·href="timer.html#apply_interval/2"><code·class="inline">apply_interval/2</code></a>,·and·<code·class="inline">apply_repeatedly/2</code>·accept·a·nullary·fun·as·the·second·argument,·while··functions·<a·href="timer.html#apply_after/3"><code·class="inline">apply_after/3</code></a>,·<a·href="timer.html#apply_interval/3"><code·class="inline">apply_interval/3</code></a>,·and·<code·class="inline">apply_repeatedly/3</code>·accept·an·n-ary·fun·as·the·second·and·a·list·of·n·arguments·for·the·fun·as·the·third·argument.</p><p>Own·Id:·OTP-18808·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7649"·title="">PR-7649</a></p></li><li><p>Sigils·on·string·literals·have·been·implemented·as·per·<a·href="https://www.erlang.org/eeps/eep-0066">EEP·66</a>,·that·is:·binary·and·string·sigils·in·verbatim·and·escape·characters·variants,·as·well·as·a·default·(vanilla)·Sigil.··All·for·ordinary·strings·and·for·triple-quoted·strings·(EEP·64).·See·<a·href="../../../../doc/system/data_types.html#sigil">Sigils·in·the·Reference·Manual</a>.</p><p>Examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="s">~"Björn"</span><span·class="p">.</span><span·class="w"> | 275 | my_label</code></pre><p>Own·Id:·OTP-18789·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7720"·title="">PR-7720</a>,·<a·href="https://github.com/erlang/otp/pull/8003"·title="">PR-8003</a></p></li><li><p><code·class="inline">-callback</code>·attributes·has·been·added·to·modules·<a·href="sys.html"><code·class="inline">sys</code></a>·and·<a·href="erl_error.html"><code·class="inline">erl_error</code></a>.</p><p>Own·Id:·OTP-18793·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7703"·title="">PR-7703</a></p></li><li><p>Several·new·functions·that·accept·funs·have·been·added·to·module·<a·href="timer.html"><code·class="inline">timer</code></a>.</p><p>Functions·<a·href="timer.html#apply_after/2"><code·class="inline">apply_after/2</code></a>,·<a·href="timer.html#apply_interval/2"><code·class="inline">apply_interval/2</code></a>,·and·<code·class="inline">apply_repeatedly/2</code>·accept·a·nullary·fun·as·the·second·argument,·while··functions·<a·href="timer.html#apply_after/3"><code·class="inline">apply_after/3</code></a>,·<a·href="timer.html#apply_interval/3"><code·class="inline">apply_interval/3</code></a>,·and·<code·class="inline">apply_repeatedly/3</code>·accept·an·n-ary·fun·as·the·second·and·a·list·of·n·arguments·for·the·fun·as·the·third·argument.</p><p>Own·Id:·OTP-18808·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7649"·title="">PR-7649</a></p></li><li><p>Sigils·on·string·literals·have·been·implemented·as·per·<a·href="https://www.erlang.org/eeps/eep-0066">EEP·66</a>,·that·is:·binary·and·string·sigils·in·verbatim·and·escape·characters·variants,·as·well·as·a·default·(vanilla)·Sigil.··All·for·ordinary·strings·and·for·triple-quoted·strings·(EEP·64).·See·<a·href="../../../../doc/system/data_types.html#sigil">Sigils·in·the·Reference·Manual</a>.</p><p>Examples:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="s">~"Björn"</span><span·class="p">.</span><span·class="w"> |
| 276 | </span><span·class="p"·data-group-id=" | 276 | </span><span·class="p"·data-group-id="0238985526-1"><<</span><span·class="s">"Björn"</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="0238985526-1">>></span><span·class="gp·unselectable"> |
| 277 | 2>·</span><span·class="s">~b"Björn"</span><span·class="p">.</span><span·class="w"> | 277 | 2>·</span><span·class="s">~b"Björn"</span><span·class="p">.</span><span·class="w"> |
| 278 | </span><span·class="p"·data-group-id=" | 278 | </span><span·class="p"·data-group-id="0238985526-2"><<</span><span·class="s">"Björn"</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="0238985526-2">>></span><span·class="gp·unselectable"> |
| 279 | 3>·</span><span·class="s">~S"\s*(\w+)"</span><span·class="p">.</span><span·class="w"> | 279 | 3>·</span><span·class="s">~S"\s*(\w+)"</span><span·class="p">.</span><span·class="w"> |
| 280 | </span><span·class="s">"\\s*(\\w+)"</span><span·class="gp·unselectable"> | 280 | </span><span·class="s">"\\s*(\\w+)"</span><span·class="gp·unselectable"> |
| 281 | 4>·</span><span·class="s">~B"\s*(\w+)"</span><span·class="p">.</span><span·class="w"> | 281 | 4>·</span><span·class="s">~B"\s*(\w+)"</span><span·class="p">.</span><span·class="w"> |
| 282 | </span><span·class="p"·data-group-id=" | 282 | </span><span·class="p"·data-group-id="0238985526-3"><<</span><span·class="s">"\\s*(\\w+)"</span><span·class="p"·data-group-id="0238985526-3">>></span></code></pre><p>Own·Id:·OTP-18825·Aux·Id:·OTP-18750,·<a·href="https://github.com/erlang/otp/pull/7684"·title="">PR-7684</a></p></li><li><p>Functions·<a·href="shell.html#default_multiline_prompt/1"><code·class="inline">shell:default_multiline_prompt/1</code></a>,·<a·href="shell.html#inverted_space_prompt/1"><code·class="inline">shell:inverted_space_prompt/1</code></a>,·and· |
| 283 | <a·href="shell.html#prompt_width/1"><code·class="inline">shell:prompt_width/1</code></a>·have·been·exported·to·help·with·custom·prompt·implementations.</p><p>Own·Id:·OTP-18834·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7675"·title="">PR-7675</a>,·<a·href="https://github.com/erlang/otp/pull/7816"·title="">PR-7816</a></p></li><li><p>The·shell·now·pages·long·output·from·the·documentation·help·command·(<code·class="inline">h(Module)</code>),·auto·completions·and·the·search·command.</p><p>Own·Id:·OTP-18846·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7845"·title="">PR-7845</a></p></li><li><p>The·<code·class="inline">M-h</code>·hotkey·(Alt/Option-h)·now·outputs·help·for·the·module·or·function·directly·before·the·cursor.</p><p>Own·Id:·OTP-18847·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7846"·title="">PR-7846</a></p></li><li><p>Added·support·for·adding·a·custom·code·formatter·that·formats·your·multi-line·shell·commands·in·your·preferred·formatting·on·submission.·See·<code·class="inline">shell:format_shell_func/</code>·and·<a·href="shell.html#erl_pp_format_func/1"><code·class="inline">shell:erl_pp_format_func/1</code></a>.</p><p>Own·Id:·OTP-18848·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7847"·title="">PR-7847</a></p></li><li><p>Added·shell·functions·for·viewing,·forgetting·and·saving·locally·defined·functions,·types·and·records.</p><p>Own·Id:·OTP-18852·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7844"·title="">PR-7844</a></p></li><li><p>Added·<a·href="string.html#jaro_similarity/2"><code·class="inline">string:jaro_similarity/2</code></a>,·which·can·be·used·to·calculate·the·similarity·between·two·strings.</p><p>Own·Id:·OTP-18865·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7879"·title="">PR-7879</a></p></li><li><p>The·new·function·<a·href="ets.html#update_element/4"><code·class="inline">ets:update_element/4</code></a>·is·similar·to·<a·href="ets.html#update_element/3"><code·class="inline">ets:update_element/3</code></a>,·but·takes·a·default·tuple·as·the·fourth·argument,·which·will·be·inserted·if·no·previous·record·with·that·key·exists.</p><p>Own·Id:·OTP-18870·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7857"·title="">PR-7857</a></p></li><li><p>Added·functions·to·retrieve·the·next·higher·or·lower·key/element·from·<a·href="gb_trees.html"><code·class="inline">gb_trees</code></a>·and·<a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>,·as·well·as·returning·iterators·that·start·at·given·keys/elements.</p><p>Own·Id:·OTP-18874·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7745"·title="">PR-7745</a></p></li><li><p>When·the·shell·built-in·function·<a·href="c.html#c/1"·title=""><code·class="inline">c/1,2</code></a>·is·used·to·re-compile·a·module,·the·current·working·directory·of·the·original·compilation·is·now·added·to·the·include·path.</p><p>Own·Id:·OTP-18908·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7957"·title="">PR-7957</a></p></li><li><p>The·<code·class="inline">timer</code>·module·now·uses·a·private·table·for·its·internal·state,·slightly·improving·its·performance.</p><p>Own·Id:·OTP-18914·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7973"·title="">PR-7973</a></p></li><li><p><a·href="https://www.erlang.org/eeps/eep-0059">EEP-59·-·Documentation·Attributes</a>·has·been·implemented.</p><p>Documentation·attributes·can·be·used·to·document·functions,·types,·callbacks,·and·modules. | 283 | <a·href="shell.html#prompt_width/1"><code·class="inline">shell:prompt_width/1</code></a>·have·been·exported·to·help·with·custom·prompt·implementations.</p><p>Own·Id:·OTP-18834·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7675"·title="">PR-7675</a>,·<a·href="https://github.com/erlang/otp/pull/7816"·title="">PR-7816</a></p></li><li><p>The·shell·now·pages·long·output·from·the·documentation·help·command·(<code·class="inline">h(Module)</code>),·auto·completions·and·the·search·command.</p><p>Own·Id:·OTP-18846·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7845"·title="">PR-7845</a></p></li><li><p>The·<code·class="inline">M-h</code>·hotkey·(Alt/Option-h)·now·outputs·help·for·the·module·or·function·directly·before·the·cursor.</p><p>Own·Id:·OTP-18847·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7846"·title="">PR-7846</a></p></li><li><p>Added·support·for·adding·a·custom·code·formatter·that·formats·your·multi-line·shell·commands·in·your·preferred·formatting·on·submission.·See·<code·class="inline">shell:format_shell_func/</code>·and·<a·href="shell.html#erl_pp_format_func/1"><code·class="inline">shell:erl_pp_format_func/1</code></a>.</p><p>Own·Id:·OTP-18848·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7847"·title="">PR-7847</a></p></li><li><p>Added·shell·functions·for·viewing,·forgetting·and·saving·locally·defined·functions,·types·and·records.</p><p>Own·Id:·OTP-18852·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7844"·title="">PR-7844</a></p></li><li><p>Added·<a·href="string.html#jaro_similarity/2"><code·class="inline">string:jaro_similarity/2</code></a>,·which·can·be·used·to·calculate·the·similarity·between·two·strings.</p><p>Own·Id:·OTP-18865·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7879"·title="">PR-7879</a></p></li><li><p>The·new·function·<a·href="ets.html#update_element/4"><code·class="inline">ets:update_element/4</code></a>·is·similar·to·<a·href="ets.html#update_element/3"><code·class="inline">ets:update_element/3</code></a>,·but·takes·a·default·tuple·as·the·fourth·argument,·which·will·be·inserted·if·no·previous·record·with·that·key·exists.</p><p>Own·Id:·OTP-18870·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7857"·title="">PR-7857</a></p></li><li><p>Added·functions·to·retrieve·the·next·higher·or·lower·key/element·from·<a·href="gb_trees.html"><code·class="inline">gb_trees</code></a>·and·<a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>,·as·well·as·returning·iterators·that·start·at·given·keys/elements.</p><p>Own·Id:·OTP-18874·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7745"·title="">PR-7745</a></p></li><li><p>When·the·shell·built-in·function·<a·href="c.html#c/1"·title=""><code·class="inline">c/1,2</code></a>·is·used·to·re-compile·a·module,·the·current·working·directory·of·the·original·compilation·is·now·added·to·the·include·path.</p><p>Own·Id:·OTP-18908·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7957"·title="">PR-7957</a></p></li><li><p>The·<code·class="inline">timer</code>·module·now·uses·a·private·table·for·its·internal·state,·slightly·improving·its·performance.</p><p>Own·Id:·OTP-18914·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7973"·title="">PR-7973</a></p></li><li><p><a·href="https://www.erlang.org/eeps/eep-0059">EEP-59·-·Documentation·Attributes</a>·has·been·implemented.</p><p>Documentation·attributes·can·be·used·to·document·functions,·types,·callbacks,·and·modules. |
| 284 | The·keyword·<code·class="inline">-moduledoc·"Documentation·here".</code>·is·used·to·document·modules,·while·<code·class="inline">-doc·"Documentation·here".</code>·can·be·used·on·top·of·functions,·types,·and·callbacks·to·document·them,·respectively.</p><ul><li><p>Types,·callbacks,·and·function·documentation·can·be·set·to·<code·class="inline">hidden</code>·either·via·<code·class="inline">-doc·false</code>·or·<code·class="inline">-doc·hidden</code>.·When·documentation·attributes·mark·a·type·as·hidden,·they·will·not·be·part·of·the·documentation.</p></li><li><p>The·documentation·from·<code·class="inline">moduledoc</code>·and·<code·class="inline">doc</code>·gets·added·by·default·to·the·binary·beam·file,·following·the·format·of·<a·href="https://www.erlang.org/eeps/eep-0048">EEP-48</a>.</p></li><li><p>Using·the·compiler·flag·<code·class="inline">warn_missing_doc</code>·will·raise·a·warning·when | 284 | The·keyword·<code·class="inline">-moduledoc·"Documentation·here".</code>·is·used·to·document·modules,·while·<code·class="inline">-doc·"Documentation·here".</code>·can·be·used·on·top·of·functions,·types,·and·callbacks·to·document·them,·respectively.</p><ul><li><p>Types,·callbacks,·and·function·documentation·can·be·set·to·<code·class="inline">hidden</code>·either·via·<code·class="inline">-doc·false</code>·or·<code·class="inline">-doc·hidden</code>.·When·documentation·attributes·mark·a·type·as·hidden,·they·will·not·be·part·of·the·documentation.</p></li><li><p>The·documentation·from·<code·class="inline">moduledoc</code>·and·<code·class="inline">doc</code>·gets·added·by·default·to·the·binary·beam·file,·following·the·format·of·<a·href="https://www.erlang.org/eeps/eep-0048">EEP-48</a>.</p></li><li><p>Using·the·compiler·flag·<code·class="inline">warn_missing_doc</code>·will·raise·a·warning·when |
| 285 | <code·class="inline">-doc</code>·attributes·are·missing·in·exported·functions,·types,·and·callbacks.</p></li><li><p>Using·the·compiler·flag·<code·class="inline">warn_missing_spec_documented</code>·will·raise·a·warning·when | 285 | <code·class="inline">-doc</code>·attributes·are·missing·in·exported·functions,·types,·and·callbacks.</p></li><li><p>Using·the·compiler·flag·<code·class="inline">warn_missing_spec_documented</code>·will·raise·a·warning·when |
| 286 | spec·attributes·are·missing·in·documented·functions,·types,·and·callbacks.</p></li><li><p><code·class="inline">moduledoc</code>s·and·<code·class="inline">doc</code>s·may·refer·to·external·files·to·be·embedded,·such·as·<code·class="inline">-doc·{file,·"README.md"}.</code>,·which·refers·to·the·file·<code·class="inline">README.md</code>·found·in·the·current·working·directory.</p></li><li><p>The·compiler·warns·about·exported·functions·whose·specs·refer·to·hidden·types.·Thus,·there·will·be·warnings·when·a·hidden·type·(meaning,·the·type·is·not·part·of·the·documentation)·gets·used·in·an·exported·function.</p></li></ul><p>Own·Id:·OTP-18916·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7936"·title="">PR-7936</a></p></li><li><p>New·<a·href="ets.html"><code·class="inline">ets</code></a>·functions·<a·href="ets.html#first_lookup/1"><code·class="inline">ets:first_lookup/1</code></a>,·<a·href="ets.html#next_lookup/2"><code·class="inline">ets:next_lookup/2</code></a>,·<a·href="ets.html#prev_lookup/2"><code·class="inline">ets:prev_lookup/2</code></a>·and·<a·href="ets.html#last_lookup/1"><code·class="inline">ets:last_lookup/1</code></a>.·Example:·<code·class="inline">ets:next_lookup/1</code>·is·equivalent·to·<a·href="ets.html#next/2"><code·class="inline">ets:next/2</code></a>·followed·by·<a·href="ets.html#lookup/2"><code·class="inline">ets:lookup/2</code></a>·with·the·next·key.·The·new·combined·functions·are·more·efficient·and·with·guaranteed·atomicity.</p><p>Own·Id:·OTP-18923·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/6791"·title="">PR-6791</a></p></li><li><p>The·<code·class="inline">maybe</code>·expression·is·now·enabled·by·default.</p><p>To·use·<code·class="inline">maybe</code>·as·an·atom,·it·needs·to·be·single-quoted.·Alternatively,·the·<code·class="inline">maybe</code>·expression·can·be·disabled·by·disabling·the·<code·class="inline">maybe_expr</code>·feature.·That·can·be·done·by·placing·the·following·the·line·at·the·beginning·of·an·Erlang·source·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">feature</span><span·class="p"·data-group-id=" | 286 | spec·attributes·are·missing·in·documented·functions,·types,·and·callbacks.</p></li><li><p><code·class="inline">moduledoc</code>s·and·<code·class="inline">doc</code>s·may·refer·to·external·files·to·be·embedded,·such·as·<code·class="inline">-doc·{file,·"README.md"}.</code>,·which·refers·to·the·file·<code·class="inline">README.md</code>·found·in·the·current·working·directory.</p></li><li><p>The·compiler·warns·about·exported·functions·whose·specs·refer·to·hidden·types.·Thus,·there·will·be·warnings·when·a·hidden·type·(meaning,·the·type·is·not·part·of·the·documentation)·gets·used·in·an·exported·function.</p></li></ul><p>Own·Id:·OTP-18916·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7936"·title="">PR-7936</a></p></li><li><p>New·<a·href="ets.html"><code·class="inline">ets</code></a>·functions·<a·href="ets.html#first_lookup/1"><code·class="inline">ets:first_lookup/1</code></a>,·<a·href="ets.html#next_lookup/2"><code·class="inline">ets:next_lookup/2</code></a>,·<a·href="ets.html#prev_lookup/2"><code·class="inline">ets:prev_lookup/2</code></a>·and·<a·href="ets.html#last_lookup/1"><code·class="inline">ets:last_lookup/1</code></a>.·Example:·<code·class="inline">ets:next_lookup/1</code>·is·equivalent·to·<a·href="ets.html#next/2"><code·class="inline">ets:next/2</code></a>·followed·by·<a·href="ets.html#lookup/2"><code·class="inline">ets:lookup/2</code></a>·with·the·next·key.·The·new·combined·functions·are·more·efficient·and·with·guaranteed·atomicity.</p><p>Own·Id:·OTP-18923·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/6791"·title="">PR-6791</a></p></li><li><p>The·<code·class="inline">maybe</code>·expression·is·now·enabled·by·default.</p><p>To·use·<code·class="inline">maybe</code>·as·an·atom,·it·needs·to·be·single-quoted.·Alternatively,·the·<code·class="inline">maybe</code>·expression·can·be·disabled·by·disabling·the·<code·class="inline">maybe_expr</code>·feature.·That·can·be·done·by·placing·the·following·the·line·at·the·beginning·of·an·Erlang·source·file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">feature</span><span·class="p"·data-group-id="0640394847-1">(</span><span·class="ss">maybe_expr</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">disable</span><span·class="p"·data-group-id="0640394847-1">)</span><span·class="p">.</span></code></pre><p>Another·way·to·disable·the·<[·...·truncated·by·diffoscope;·len:·688,·SHA:·d69464ee54a629c42a398c2aa668fdd15449b4ff1f11528ccd5f8195024791af·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 287 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 287 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0760045712-2">(</span><span·class="p"·data-group-id="0760045712-3">[</span><span·class="ss">f</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="0760045712-3">]</span><span·class="p"·data-group-id="0760045712-2">)</span><span·class="p">.</span><span·class="w"> |
| 288 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 288 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="0760045712-4">(</span><span·class="ss">r</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0760045712-5">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p">,</span><span·clas[·...·truncated·by·diffoscope;·len:·109,·SHA:·362d3d34695b52165e6fcb88050156d5a9ddf1a601345b3b5d7c044735ae9f30·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 289 | </span><span·class="nf">f</span><span·class="p"·data-group-id=" | 289 | </span><span·class="nf">f</span><span·class="p"·data-group-id="0760045712-6">(</span><span·class="p"·data-group-id="0760045712-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 290 | ····</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id=" | 290 | ····</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id="0760045712-7">{</span><span·class="ss">a</span><span·class="o">=</span><span·class="mi">1</span><span·class="p"·data-group-id="0760045712-7">}</span><span·class="o">#</span><span·class="ss">r</span><span·class="p"·data-group-id="0760045712-8">{</span><span[·...·truncated·by·diffoscope;·len:·110,·SHA:·8f09862fd0b78b4b8e98d07ef9a6ca39c5664e4d54f61ef4c548915790afa0e8·...·]-8">}</span><span·class="p">.</span></code></pre><p>The·compiler·raises·the·following·warning:</p><pre><code·class="text">1>·c(t). |
| 291 | t.erl:6:12:·Warning:·expression·updates·a·literal | 291 | t.erl:6:12:·Warning:·expression·updates·a·literal |
| 292 | %····6|·····#r{a=1}#r{b=2}. | 292 | %····6|·····#r{a=1}#r{b=2}. |
| 293 | %·····|············^</code></pre><p>Own·Id:·OTP-18951·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8069"·title="">PR-8069</a></p></li><li><p>The·documentation·has·been·migrated·to·use·Markdown·and·ExDoc.</p><p>Own·Id:·OTP-18955·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8026"·title="">PR-8026</a></p></li><li><p>Optimized·<code·class="inline">ets:foldl</code>·and·<code·class="inline">ets:foldr</code>·to·use·new·<code·class="inline">ets:next_lookup</code>.·Also·made·them·immune·against·table·renaming.</p><p>Own·Id:·OTP-18993·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8048"·title="">PR-8048</a></p></li><li><p>Windows·now·supports·all·functions·in·<a·href="math.html"><code·class="inline">math</code></a>.</p><p>Own·Id:·OTP-19001·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8164"·title="">PR-8164</a></p></li><li><p><a·href="erl_lint.html"><code·class="inline">erl_lint</code></a>·(and·by·extension·the·<a·href="../../../../lib/compiler-8.6/doc/html/compile.html"><code·class="inline">compiler</code></a>)·will·now·warn·for·code·using·deprecated·callbacks.</p><p>The·only·callback·currenly·deprecated·is·<code·class="inline">format_status/2</code>·in·<a·href="gen_server.html#c:format_status/2"><code·class="inline">gen_server</code></a>,·<a·href="gen_event.html#c:format_status/2"><code·class="inline">gen_event</code></a>·and·<a·href="gen_server.html#c:format_status/2"><code·class="inline">gen_statem</code></a>.</p><p>You·can·use·<code·class="inline">nowarn_deprecated_callback</code>·to·silence·the·warning.</p><p>Own·Id:·OTP-19010·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8205"·title="">PR-8205</a></p></li><li><p>There·is·a·new·module·<a·href="json.html"><code·class="inline">json</code></a>·for·encoding·and·decoding·<a·href="https://en.wikipedia.org/wiki/JSON">JSON</a>.</p><p>Both·encoding·and·decoding·can·be·customized.·Decoding·can·be·done·in·a·SAX-like·fashion·and·handle·multiple·documents·and·streams·of·data.</p><p>Own·Id:·OTP-19020·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8111"·title="">PR-8111</a></p></li></ul><h2·id="stdlib-5-2-3-3"·class="section-heading"> | 293 | %·····|············^</code></pre><p>Own·Id:·OTP-18951·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8069"·title="">PR-8069</a></p></li><li><p>The·documentation·has·been·migrated·to·use·Markdown·and·ExDoc.</p><p>Own·Id:·OTP-18955·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8026"·title="">PR-8026</a></p></li><li><p>Optimized·<code·class="inline">ets:foldl</code>·and·<code·class="inline">ets:foldr</code>·to·use·new·<code·class="inline">ets:next_lookup</code>.·Also·made·them·immune·against·table·renaming.</p><p>Own·Id:·OTP-18993·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8048"·title="">PR-8048</a></p></li><li><p>Windows·now·supports·all·functions·in·<a·href="math.html"><code·class="inline">math</code></a>.</p><p>Own·Id:·OTP-19001·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8164"·title="">PR-8164</a></p></li><li><p><a·href="erl_lint.html"><code·class="inline">erl_lint</code></a>·(and·by·extension·the·<a·href="../../../../lib/compiler-8.6/doc/html/compile.html"><code·class="inline">compiler</code></a>)·will·now·warn·for·code·using·deprecated·callbacks.</p><p>The·only·callback·currenly·deprecated·is·<code·class="inline">format_status/2</code>·in·<a·href="gen_server.html#c:format_status/2"><code·class="inline">gen_server</code></a>,·<a·href="gen_event.html#c:format_status/2"><code·class="inline">gen_event</code></a>·and·<a·href="gen_server.html#c:format_status/2"><code·class="inline">gen_statem</code></a>.</p><p>You·can·use·<code·class="inline">nowarn_deprecated_callback</code>·to·silence·the·warning.</p><p>Own·Id:·OTP-19010·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8205"·title="">PR-8205</a></p></li><li><p>There·is·a·new·module·<a·href="json.html"><code·class="inline">json</code></a>·for·encoding·and·decoding·<a·href="https://en.wikipedia.org/wiki/JSON">JSON</a>.</p><p>Both·encoding·and·decoding·can·be·customized.·Decoding·can·be·done·in·a·SAX-like·fashion·and·handle·multiple·documents·and·streams·of·data.</p><p>Own·Id:·OTP-19020·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8111"·title="">PR-8111</a></p></li></ul><h2·id="stdlib-5-2-3-3"·class="section-heading"> |
| 294 | ··<a·href="#stdlib-5-2-3-3"·class="hover-link"> | 294 | ··<a·href="#stdlib-5-2-3-3"·class="hover-link"> |
| 295 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 295 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 296 | ··</a> | 296 | ··</a> |
| 297 | ··<span·class="text">STDLIB·5.2.3.3</span> | 297 | ··<span·class="text">STDLIB·5.2.3.3</span> |
| Offset 4623, 15 lines modified | Offset 4623, 15 lines modified | ||
| 4623 | ······<p·class="built-using"> | 4623 | ······<p·class="built-using"> |
| 4624 | ········Built·using | 4624 | ········Built·using |
| 4625 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 4625 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 4626 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 4626 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 4627 | ······</p> | 4627 | ······</p> |
| 4628 | <p>Copyright·©·1996-202 | 4628 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 4629 | ····</footer> | 4629 | ····</footer> |
| 4630 | ··</div> | 4630 | ··</div> |
| 4631 | </main> | 4631 | </main> |
| 4632 | </div> | 4632 | </div> |
| 4633 | <script> | 4633 | <script> |
| 4634 | ··function·mermaidLoaded()·{ | 4634 | ··function·mermaidLoaded()·{ |
| 4635 | ····mermaid.initialize({ | 4635 | ····mermaid.initialize({ |
| Offset 138, 21 lines modified | Offset 138, 21 lines modified | ||
| 138 | ··<a·href="#module-notes"·class="hover-link"> | 138 | ··<a·href="#module-notes"·class="hover-link"> |
| 139 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 139 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 140 | ··</a> | 140 | ··</a> |
| 141 | ··<span·class="text">Notes</span> | 141 | ··<span·class="text">Notes</span> |
| 142 | </h2> | 142 | </h2> |
| 143 | <p><a·href=""·id="notes"></a></p><p>Functions·<a·href="#append/3"><code·class="inline">append/3</code></a>·and·<a·href="#append_list/3"><code·class="inline">append_list/3</code></a>·are | 143 | <p><a·href=""·id="notes"></a></p><p>Functions·<a·href="#append/3"><code·class="inline">append/3</code></a>·and·<a·href="#append_list/3"><code·class="inline">append_list/3</code></a>·are |
| 144 | included·so·that·keyed·values·can·be·stored·in·a·list·<em>accumulator</em>,·for | 144 | included·so·that·keyed·values·can·be·stored·in·a·list·<em>accumulator</em>,·for |
| 145 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">D0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="9 | 145 | example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">D0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="9720001222-1">(</span><span·class="p"·data-group-id="9720001222-1">)</span><span·class="p">,</span><span·class="w"> |
| 146 | ··</span><span·class="n">D1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">store</span><span·class="p"·data-group-id="9 | 146 | ··</span><span·class="n">D1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">store</span><span·class="p"·data-group-id="9720001222-2">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9720001222-3">[</span><span·class="p"·data-group-id="9720001222-3">]</span><span·class="p">,</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·62,·SHA:·d5b965c18b2381ceb6e8bead97c0495d99c45ba81e4b10e2539879bc05171083·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 147 | ··</span><span·class="n">D2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="9 | 147 | ··</span><span·class="n">D2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="9720001222-4">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">f1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D1</span><span·class="p"·data-group-id="9720001222-4">)</span><span·class="p">,</span><span·class="w"> |
| 148 | ··</span><span·class="n">D3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="9 | 148 | ··</span><span·class="n">D3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="9720001222-5">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">f2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D2</span><span·class="p"·data-group-id="9720001222-5">)</span><span·class="p">,</span><span·class="w"> |
| 149 | ··</span><span·class="n">D4</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="9 | 149 | ··</span><span·class="n">D4</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="9720001222-6">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">f3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D3</span><span·class="p"·data-group-id="9720001222-6">)</span><span·class="p">,</span><span·class="w"> |
| 150 | ··</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">fetch</span><span·class="p"·data-group-id="9 | 150 | ··</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">fetch</span><span·class="p"·data-group-id="9720001222-7">(</span><span·class="ss">files</span><span·class="p">,</span><span·class="w">·</span><span·class="n">D4</span><span·class="p"·data-group-id="9720001222-7">)</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="p"·data-group-id="9 | 151 | </span><span·class="p"·data-group-id="9720001222-8">[</span><span·class="ss">f1</span><span·class="p">,</span><span·class="ss">f2</span><span·class="p">,</span><span·class="ss">f3</span><span·class="p"·data-group-id="9720001222-8">]</span></code></pre><p>This·saves·the·trouble·of·first·fetching·a·keyed·value,·appending·a·new·value·to |
| 152 | the·list·of·stored·values,·and·storing·the·result.</p><p>Function·<a·href="#fetch/2"><code·class="inline">fetch/2</code></a>·is·to·be·used·if·the·key·is·known·to·be·in·the | 152 | the·list·of·stored·values,·and·storing·the·result.</p><p>Function·<a·href="#fetch/2"><code·class="inline">fetch/2</code></a>·is·to·be·used·if·the·key·is·known·to·be·in·the |
| 153 | dictionary,·otherwise·function·<a·href="#find/2"><code·class="inline">find/2</code></a>.</p><h2·id="module-see-also"·class="section-heading"> | 153 | dictionary,·otherwise·function·<a·href="#find/2"><code·class="inline">find/2</code></a>.</p><h2·id="module-see-also"·class="section-heading"> |
| 154 | ··<a·href="#module-see-also"·class="hover-link"> | 154 | ··<a·href="#module-see-also"·class="hover-link"> |
| 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 156 | ··</a> | 156 | ··</a> |
| 157 | ··<span·class="text">See·Also</span> | 157 | ··<span·class="text">See·Also</span> |
| 158 | </h2> | 158 | </h2> |
| Offset 527, 24 lines modified | Offset 527, 24 lines modified | ||
| 527 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·append(Key,·Value,·Orddict1)·->·Orddict2 | 527 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·append(Key,·Value,·Orddict1)·->·Orddict2 |
| 528 | ················when·Orddict1·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value),·Orddict2·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value).</pre> | 528 | ················when·Orddict1·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value),·Orddict2·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value).</pre> |
| 529 | ······</div> | 529 | ······</div> |
| 530 | <p>Appends·a·new·<code·class="inline">Value</code>·to·the·current·list·of·values·associated·with·<code·class="inline">Key</code>.·An | 530 | <p>Appends·a·new·<code·class="inline">Value</code>·to·the·current·list·of·values·associated·with·<code·class="inline">Key</code>.·An |
| 531 | exception·is·generated·if·the·initial·value·associated·with·<code·class="inline">Key</code>·is·not·a·list | 531 | exception·is·generated·if·the·initial·value·associated·with·<code·class="inline">Key</code>·is·not·a·list |
| 532 | of·values.</p><p>See·also·section·<a·href="orddict.html#module-notes">Notes</a>.</p><p><em>Example·1:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 532 | of·values.</p><p>See·also·section·<a·href="orddict.html#module-notes">Notes</a>.</p><p><em>Example·1:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="6079452162-1">(</span><span·class="p"·data-group-id="6079452162-2">[</span><span·class="p"·data-group-id="6079452162-3">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6079452162-4">[</span><s[·...·truncated·by·diffoscope;·len:·197,·SHA:·2791e1d6392c7d4690a4d58af79ca924e4262a4f8478be11131ffe0fa3240483·...·]2-1">)</span><span·class="p">.</span><span·class="w"> |
| 533 | </span><span·class="p"·data-group-id=" | 533 | </span><span·class="p"·data-group-id="6079452162-5">[</span><span·class="p"·data-group-id="6079452162-6">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="p"·data-group-id="6079452162-7">[</span><span·class="p"·data-group-id="6079452162-7">]</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·67,·SHA:·e16ac76ec00817a057e541e26611b01cc513de501a40b50e77bd1eda47d44bcc·...·]2-5">]</span><span·class="gp·unselectable"> |
| 534 | 2>·</span><span·class="n">OrdDict2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 534 | 2>·</span><span·class="n">OrdDict2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="6079452162-8">(</span><span·class="ss">x</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OrdDict1</span><span·class="p"·data-group-id="6079452162-8">)</span><span·class="p">.</span><span·class="w"> |
| 535 | </span><span·class="p"·data-group-id=" | 535 | </span><span·class="p"·data-group-id="6079452162-9">[</span><span·class="p"·data-group-id="6079452162-10">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="p"·data-group-id="6079452162-11">[</span><span·class="mi">1</span><span·class="p"·data-group-id="6079452162-11">]</spa[·...·truncated·by·diffoscope;·len:·96,·SHA:·56acf821d870f1e4411217f6eada7ba6b95eb369f801d05a8c26076788f7d4d0·...·]2-9">]</span><span·class="gp·unselectable"> |
| 536 | 3>·</span><span·class="n">OrdDict3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 536 | 3>·</span><span·class="n">OrdDict3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="6079452162-12">(</span><span·class="ss">x</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OrdDict2</span><span·class="p"·data-group-id="6079452162-12">)</span><span·class="p">.</span><span·class="w"> |
| 537 | </span><span·class="p"·data-group-id=" | 537 | </span><span·class="p"·data-group-id="6079452162-13">[</span><span·class="p"·data-group-id="6079452162-14">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="p"·data-group-id="6079452162-15">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><s[·...·truncated·by·diffoscope;·len:·146,·SHA:·2d6b83a5e0f512c8eeff881bbb125e4a1ce7516b966ba9545871648c63772543·...·]2-13">]</span><span·class="gp·unselectable"> |
| 538 | 4>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 538 | 4>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="6079452162-16">(</span><span·class="ss">y</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OrdDict3</span><span·class="p"·data-group-id="6079452162-16">)</span><span·class="p">.</span><span·class="w"> |
| 539 | </span><span·class="p"·data-group-id=" | 539 | </span><span·class="p"·data-group-id="6079452162-17">[</span><span·class="p"·data-group-id="6079452162-18">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="p"·data-group-id="6079452162-19">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><s[·...·truncated·by·diffoscope;·len:·1205,·SHA:·da95fafec88a2f62835b361d80fa4ae2bcc44a93d2d4135afdf1343bdb8bf738·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 540 | </span><span·class="p"·data-group-id=" | 540 | </span><span·class="p"·data-group-id="4964056392-4">[</span><span·class="p"·data-group-id="4964056392-5">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">no_list</span><span·class="p"·data-group-id="4964056392-5">}</span><span·class="p"·data-group-id="4964056392-4">]</span><span·class="gp·unselectable"> |
| 541 | 2>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id=" | 541 | 2>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append</span><span·class="p"·data-group-id="4964056392-6">(</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OrdDict1</span><span·class="p"·data-group-id="4964056392-6">)</span><span·class="p">.</span><span·class="w"> |
| 542 | </span><span·class="gt">**·exception·error:·bad·argument | 542 | </span><span·class="gt">**·exception·error:·bad·argument |
| 543 | ·····in·operator··++/2 | 543 | ·····in·operator··++/2 |
| 544 | ········called·as·no_list·++·[1]</span></code></pre> | 544 | ········called·as·no_list·++·[1]</span></code></pre> |
| 545 | ··</section> | 545 | ··</section> |
| 546 | </section> | 546 | </section> |
| 547 | <section·class="detail"·id="append_list/3"> | 547 | <section·class="detail"·id="append_list/3"> |
| Offset 571, 20 lines modified | Offset 571, 20 lines modified | ||
| 571 | ·························Orddict1·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value), | 571 | ·························Orddict1·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value), |
| 572 | ·························Orddict2·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value).</pre> | 572 | ·························Orddict2·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value).</pre> |
| 573 | ······</div> | 573 | ······</div> |
| 574 | <p>Appends·a·list·of·values·<code·class="inline">ValList</code>·to·the·current·list·of·values·associated·with | 574 | <p>Appends·a·list·of·values·<code·class="inline">ValList</code>·to·the·current·list·of·values·associated·with |
| 575 | <code·class="inline">Key</code>.·An·exception·is·generated·if·the·initial·value·associated·with·<code·class="inline">Key</code>·is | 575 | <code·class="inline">Key</code>.·An·exception·is·generated·if·the·initial·value·associated·with·<code·class="inline">Key</code>·is |
| 576 | not·a·list·of·values.</p><p>See·also·section·<a·href="orddict.html#module-notes">Notes</a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="3595129715-1">(</span><span·class="p"·data-group-id="3595129715-2">[</span><span·class="p"·data-group-id="3595129715-3">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3595129715-4">[</span><span·class="p"·data-group-id="3595129715-4">]</span><span·class="p"·data-group-id="3595129715-3">}</span><span·class="p"·data-group-id="3595129715-2">]</span><span·class="p"·data-group-id="3595129715-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 577 | 576 | not·a·list·of·values.</p><p>See·also·section·<a·href="orddict.html#module-notes">Notes</a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w"[·...·truncated·by·diffoscope;·len:·680,·SHA:·39f2e94126306f3e0623e511fabbd3c544647815b22f5f8b3843baf3ee852edb·...·]"> | |
| 577 | </span><span·class="p"·data-group-id="1491882331-5">[</span><span·class="p"·data-group-id="1491882331-6">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="p"·data-group-id="1491882331-7">[</span><span·class="p"·data-group-id="1491882331-7">]</span><span·class="p"·data-group-id="1491882331-6">}</span><span·class="p"·data-group-id="1491882331-5">]</span><span·class="gp·unselectable"> | ||
| 578 | 2>·</span><span·class="n">OrdDict2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append_list</span><span·class="p"·data-group-id=" | 578 | 2>·</span><span·class="n">OrdDict2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append_list</span><span·class="p"·data-group-id="1491882331-8">(</span><span·class="ss">x</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1491882331-9">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="149[·...·truncated·by·diffoscope;·len:·139,·SHA:·487c10de1d02401574b858f99b32a933ad907783aa7d466ef37cc358c787d9c0·...·]-8">)</span><span·class="p">.</span><span·class="w"> |
| 579 | </span><span·class="p"·data-group-id=" | 579 | </span><span·class="p"·data-group-id="1491882331-10">[</span><span·class="p"·data-group-id="1491882331-11">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="p"·data-group-id="1491882331-12">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><s[·...·truncated·by·diffoscope;·len:·147,·SHA:·b16bd6f30a1d90f5ad95ca018d0c950ff7199c1bec2453bdc8b245265278deec·...·]-10">]</span><span·class="gp·unselectable"> |
| 580 | 3>·</span><span·class="n">OrdDict3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append_list</span><span·class="p"·data-group-id=" | 580 | 3>·</span><span·class="n">OrdDict3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">append_list</span><span·class="p"·data-group-id="1491882331-13">(</span><span·class="ss">y</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1491882331-14">[</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="1[·...·truncated·by·diffoscope;·len:·142,·SHA:·dfa3f54f6140dd59351977ed969eab62dbffcdd7a247b45ec7f99315df02320a·...·]-13">)</span><span·class="p">.</span><span·class="w"> |
| 581 | </span><span·class="p"·data-group-id=" | 581 | </span><span·class="p"·data-group-id="1491882331-15">[</span><span·class="p"·data-group-id="1491882331-16">{</span><span·class="ss">x</span><span·class="p">,</span><span·class="p"·data-group-id="1491882331-17">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><s[·...·truncated·by·diffoscope;·len:·510,·SHA:·3462f13611eabfb29fc213d641c9e561a0fe3fb4e4acbf97e210e3678407c060·...·]-15">]</span></code></pre> |
| 582 | ··</section> | 582 | ··</section> |
| 583 | </section> | 583 | </section> |
| 584 | <section·class="detail"·id="erase/2"> | 584 | <section·class="detail"·id="erase/2"> |
| 585 | ··<div·class="detail-header"> | 585 | ··<div·class="detail-header"> |
| 586 | ····<a·href="#erase/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 586 | ····<a·href="#erase/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 587 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 587 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 603, 18 lines modified | Offset 603, 18 lines modified | ||
| 603 | ······<div·class="specs"> | 603 | ······<div·class="specs"> |
| 604 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·erase(Key,·Orddict1)·->·Orddict2 | 604 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·erase(Key,·Orddict1)·->·Orddict2 |
| 605 | ···············when·Orddict1·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value),·Orddict2·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value).</pre> | 605 | ···············when·Orddict1·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value),·Orddict2·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value).</pre> |
| 606 | ······</div> | 606 | ······</div> |
| 607 | <p>Erases·all·items·with·a·specified·key·from·a·dictionary.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 607 | <p>Erases·all·items·with·a·specified·key·from·a·dictionary.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="1138881666-1">(</span><span·class="p"·data-group-id="1138881666-2">[</span><span·class="p"·data-group-id="1138881666-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·369,·SHA:·ca3449cdae1997804f9dd71f1bb4b6ec770cd0702d5278938c6e14f26d60bd6b·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 608 | </span><span·class="p"·data-group-id=" | 608 | </span><span·class="p"·data-group-id="1138881666-5">[</span><span·class="p"·data-group-id="1138881666-6">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="1138881666-6">}</span><span·class="p">,</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·191,·SHA:·66f6f64d411e822ed5a56828b3e1898d3f140de797a32fe7f6a2710930ebded0·...·]-5">]</span><span·class="gp·unselectable"> |
| 609 | 2>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">erase</span><span·class="p"·data-group-id=" | 609 | 2>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">erase</span><span·class="p"·data-group-id="1138881666-8">(</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OrdDict1</span><span·class="p"·data-group-id="1138881666-8">)</span><span·class="p">.</span><span·class="w"> |
| 610 | </span><span·class="p"·data-group-id=" | 610 | </span><span·class="p"·data-group-id="1138881666-9">[</span><span·class="p"·data-group-id="1138881666-10">{</span><span·class="ss">b</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="1138881666-10">}</span><span·class="p"·data-group-id="1138881666-9">]</span></code></pre> |
| 611 | ··</section> | 611 | ··</section> |
| 612 | </section> | 612 | </section> |
| 613 | <section·class="detail"·id="fetch/2"> | 613 | <section·class="detail"·id="fetch/2"> |
| 614 | ··<div·class="detail-header"> | 614 | ··<div·class="detail-header"> |
| 615 | ····<a·href="#fetch/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 615 | ····<a·href="#fetch/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 616 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 616 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 634 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·fetch(Key,·Orddict)·->·Value·when·Orddict·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value).</pre> | 634 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·fetch(Key,·Orddict)·->·Value·when·Orddict·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value).</pre> |
| 635 | ······</div> | 635 | ······</div> |
| 636 | <p>Returns·the·value·associated·with·<code·class="inline">Key</code>·in·dictionary·<code·class="inline">Orddict</code>.·This·function | 636 | <p>Returns·the·value·associated·with·<code·class="inline">Key</code>·in·dictionary·<code·class="inline">Orddict</code>.·This·function |
| 637 | assumes·that·the·<code·class="inline">Key</code>·is·present·in·the·dictionary.·An·exception·is·generated | 637 | assumes·that·the·<code·class="inline">Key</code>·is·present·in·the·dictionary.·An·exception·is·generated |
| 638 | if·<code·class="inline">Key</code>·is·not·in·the·dictionary.</p><p>See·also·section·<a·href="orddict.html#module-notes">Notes</a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 638 | if·<code·class="inline">Key</code>·is·not·in·the·dictionary.</p><p>See·also·section·<a·href="orddict.html#module-notes">Notes</a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="3978537350-1">(</span><span·class="p"·data-group-id="3978537350-2">[</span><span·class="p"·data-group-id="3978537350-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·369,·SHA:·36b1f983f25e4421baa1e07811a74769e5a4e6ab67181c080c1e3409b4f6ddd4·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 639 | </span><span·class="p"·data-group-id=" | 639 | </span><span·class="p"·data-group-id="3978537350-5">[</span><span·class="p"·data-group-id="3978537350-6">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="3978537350-6">}</span><span·class="p">,</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·191,·SHA:·25071a96c06abf8bf8fc27f4529de6c2b1e35b47fcf508ed9580cfcd27873654·...·]-5">]</span><span·class="gp·unselectable"> |
| 640 | 2>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">fetch</span><span·class="p"·data-group-id=" | 640 | 2>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">fetch</span><span·class="p"·data-group-id="3978537350-8">(</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OrdDict1</span><span·class="p"·data-group-id="3978537350-8">)</span><span·class="p">.</span><span·class="w"> |
| 641 | </span><span·class="mi">1</span><span·class="gp·unselectable"> | 641 | </span><span·class="mi">1</span><span·class="gp·unselectable"> |
| 642 | 3>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">fetch</span><span·class="p"·data-group-id=" | 642 | 3>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">fetch</span><span·class="p"·data-group-id="3978537350-9">(</span><span·class="ss">missing</span><span·class="p">,</span><span·class="w">·</span><span·class="n">OrdDict1</span><span·class="p"·data-group-id="3978537350-9">)</span><span·class="p">.</span><span·class="w"> |
| 643 | </span><span·class="gt">**·exception·error:·no·function·clause·matching·orddict:fetch(missing,[])</span></code></pre> | 643 | </span><span·class="gt">**·exception·error:·no·function·clause·matching·orddict:fetch(missing,[])</span></code></pre> |
| 644 | ··</section> | 644 | ··</section> |
| 645 | </section> | 645 | </section> |
| 646 | <section·class="detail"·id="fetch_keys/1"> | 646 | <section·class="detail"·id="fetch_keys/1"> |
| 647 | ··<div·class="detail-header"> | 647 | ··<div·class="detail-header"> |
| 648 | ····<a·href="#fetch_keys/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 648 | ····<a·href="#fetch_keys/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
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| 665 | ······<div·class="specs"> | 665 | ······<div·class="specs"> |
| 666 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·fetch_keys(Orddict)·->·Keys·when·Orddict·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()),·Keys·::·[Key].</pre> | 666 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·fetch_keys(Orddict)·->·Keys·when·Orddict·::·<a·href="#t:orddict/2">orddict</a>(Key,·Value·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()),·Keys·::·[Key].</pre> |
| 667 | ······</div> | 667 | ······</div> |
| 668 | <p>Returns·a·list·of·all·keys·in·a·dictionary.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 668 | <p>Returns·a·list·of·all·keys·in·a·dictionary.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">OrdDict1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="9491448342-1">(</span><span·class="p"·data-group-id="9491448342-2">[</span><span·class="p"·data-group-id="9491448342-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·369,·SHA:·9712771bd6fb6fe52ca2d5d81b8f6e8454599d4783c401cd7400b0472342f3ec·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 669 | </span><span·class="p"·data-group-id=" | 669 | </span><span·class="p"·data-group-id="9491448342-5">[</span><span·class="p"·data-group-id="9491448342-6">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="9491448342-6">}</span><span·class="p">,</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·191,·SHA:·be8ff8e03114107a0aeb2d3bb0d48337f24580257d3933fae8a48983d118089c·...·]-5">]</span><span·class="gp·unselectable"> |
| 670 | 2>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">fetch_keys</span><span·class="p"·data-group-id=" | 670 | 2>·</span><span·class="nc">orddict</span><span·class="p">:</span><span·class="nf">fetch_keys</span><span·class="p"·data-group-id="9491448342-8">(</span><span·class="n">OrdDict1</span><span·class="p"·data-group-id="9491448342-8">)</span><span·class="p">.</span><span·class="w"> |
| 671 | </span><span·class="p"·data-group-id=" | 671 | </span><span·class="p"·data-group-id="9491448342-9">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="p"·data-group-id="9491448342-9">]</span></code></pre> |
| 672 | ··</section> | 672 | ··</section> |
| 673 | </section> | 673 | </section> |
| 674 | <section·class="detail"·id="filter/2"> | 674 | <section·class="detail"·id="filter/2"> |
| 675 | ··<div·class="detail-header"> | 675 | ··<div·class="detail-header"> |
| 676 | ····<a·href="#filter/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 676 | ····<a·href="#filter/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 677 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 677 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 1044 | ······<p·class="built-using"> | 1044 | ······<p·class="built-using"> |
| 1045 | ········Built·using | 1045 | ········Built·using |
| 1046 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1046 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1047 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1047 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1048 | ······</p> | 1048 | ······</p> |
| 1049 | <p>Copyright·©·1996-202 | 1049 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1050 | ····</footer> | 1050 | ····</footer> |
| 1051 | ··</div> | 1051 | ··</div> |
| 1052 | </main> | 1052 | </main> |
| 1053 | </div> | 1053 | </div> |
| 1054 | <script> | 1054 | <script> |
| 1055 | ··function·mermaidLoaded()·{ | 1055 | ··function·mermaidLoaded()·{ |
| 1056 | ····mermaid.initialize({ | 1056 | ····mermaid.initialize({ |
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| 157 | employs·a·number·of·techniques·to·speed·up·testing·and·reliably·shut·down·peer | 157 | employs·a·number·of·techniques·to·speed·up·testing·and·reliably·shut·down·peer |
| 158 | nodes:</p><ul><li>peers·start·linked·to·test·runner·process.·If·the·test·case·fails,·the·peer | 158 | nodes:</p><ul><li>peers·start·linked·to·test·runner·process.·If·the·test·case·fails,·the·peer |
| 159 | node·is·stopped·automatically,·leaving·no·rogue·nodes·running·in·the | 159 | node·is·stopped·automatically,·leaving·no·rogue·nodes·running·in·the |
| 160 | background</li><li>arguments·used·to·start·the·peer·are·saved·in·the·control·process·state·for | 160 | background</li><li>arguments·used·to·start·the·peer·are·saved·in·the·control·process·state·for |
| 161 | manual·analysis.·If·the·test·case·fails,·the·CRASH·REPORT·contains·these | 161 | manual·analysis.·If·the·test·case·fails,·the·CRASH·REPORT·contains·these |
| 162 | arguments</li><li>multiple·test·cases·can·run·concurrently·speeding·up·overall·testing·process, | 162 | arguments</li><li>multiple·test·cases·can·run·concurrently·speeding·up·overall·testing·process, |
| 163 | peer·node·names·are·unique·even·when·there·are·multiple·instances·of·the·same | 163 | peer·node·names·are·unique·even·when·there·are·multiple·instances·of·the·same |
| 164 | test·suite·running·in·parallel</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2 | 164 | test·suite·running·in·parallel</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2169248449-1">(</span><span·class="ss">my_SUITE</span><span·class="p"·data-group-id="2169248449-1">)</span><span·class="p">.</span><span·class="w"> |
| 165 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="2 | 165 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="2169248449-2">(</span><span·class="ss">ct_suite</span><span·class="p"·data-group-id="2169248449-2">)</span><span·class="p">.</span><span·class="w"> |
| 166 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2 | 166 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2169248449-3">(</span><span·class="p"·data-group-id="2169248449-4">[</span><span·class="ss">all</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">groups</span><span·class="p">/</span><spa[·...·truncated·by·diffoscope;·len:·115,·SHA:·811084570048c6b5a38a0874ec7f49595f88b88bdd1d64860c496a414b317890·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2 | 167 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2169248449-5">(</span><span·class="p"·data-group-id="2169248449-6">[</span><span·class="ss">basic</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">args</span><span·class="p">/</span><spa[·...·truncated·by·diffoscope;·len:·505,·SHA:·a82b203b7afb3c373db41b39292fcbb60947d277aa3ad8d35d770d995a424ccd·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 168 | </span><span·class="w"> | 168 | </span><span·class="w"> |
| 169 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="2 | 169 | </span><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="2169248449-7">(</span><span·class="s">"common_test/include/ct.hrl"</span><span·class="p"·data-group-id="2169248449-7">)</span><span·class="p">.</span><span·class="w"> |
| 170 | </span><span·class="nf">groups</span><span·class="p"·data-group-id="2 | 170 | </span><span·class="nf">groups</span><span·class="p"·data-group-id="2169248449-8">(</span><span·class="p"·data-group-id="2169248449-8">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 171 | ····</span><span·class="p"·data-group-id="2 | 171 | ····</span><span·class="p"·data-group-id="2169248449-9">[</span><span·class="p"·data-group-id="2169248449-10">{</span><span·class="ss">quick</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2169248449-11">[</span><span·class="ss">parallel</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·d075f4b2628dfa76aaba50919557f54c8603a045cfa758ebb89beab74ae2f843·...·]-11">]</span><span·class="p">,</span><span·class="w"> |
| 172 | ········</span><span·class="p"·data-group-id="2 | 172 | ········</span><span·class="p"·data-group-id="2169248449-12">[</span><span·class="ss">basic</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">args</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">named</span><span·class="p">,</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·263,·SHA:·3952f11e595944a990a4a05c44ce3411327b71fbcc498f3cf5e910bbf89c3a9f·...·]-9">]</span><span·class="p">.</span><span·class="w"> |
| 173 | </span><span·class="nf">all</span><span·class="p"·data-group-id="2 | 173 | </span><span·class="nf">all</span><span·class="p"·data-group-id="2169248449-13">(</span><span·class="p"·data-group-id="2169248449-13">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 174 | ····</span><span·class="p"·data-group-id="2 | 174 | ····</span><span·class="p"·data-group-id="2169248449-14">[</span><span·class="p"·data-group-id="2169248449-15">{</span><span·class="ss">group</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">quick</span><span·class="p"·data-group-id="2169248449-15">}</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·21,·SHA:·e9fa42a6d74b21cd8cc4c0fd970f7018536620fd175700a3ca107381bd0fdc3d·...·]-14">]</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="nf">basic</span><span·class="p"·data-group-id="2 | 175 | </span><span·class="nf">basic</span><span·class="p"·data-group-id="2169248449-16">(</span><span·class="n">Config</span><span·class="p"·data-group-id="2169248449-16">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_list</span><span·class="p"·data-group-id="2169248449-17"[·...·truncated·by·diffoscope;·len:·79,·SHA:·b1c0846726e55bcc58c5585159a9fd417e9f4460280c42696560bf04100b310a·...·]-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 176 | ····</span><span·class="p"·data-group-id="2 | 176 | ····</span><span·class="p"·data-group-id="2169248449-18">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Peer</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Node</span><span·class="p"·data-group-id="216[·...·truncated·by·diffoscope;·len:·241,·SHA:·44c15ee321a35e4be9275fddaeb23d287a489ebc27b5673ea9b00374bc8ffa2c·...·]-19">)</span><span·class="p">,</span><span·class="w"> |
| 177 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2 | 177 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2169248449-20">(</span><span·class="n">Peer</span><span·class="p"·data-group-id="2169248449-20">)</span><span·class="p">.</span><span·class="w"> |
| 178 | </span><span·class="nf">args</span><span·class="p"·data-group-id="2 | 178 | </span><span·class="nf">args</span><span·class="p"·data-group-id="2169248449-21">(</span><span·class="n">Config</span><span·class="p"·data-group-id="2169248449-21">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_list</span><span·class="p"·data-group-id="2169248449-22"[·...·truncated·by·diffoscope;·len:·79,·SHA:·b1c0846726e55bcc58c5585159a9fd417e9f4460280c42696560bf04100b310a·...·]-22">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | ····</span><span·class="c1">%%·specify·additional·arguments·to·the·new·node</span><span·class="w"> | 179 | ····</span><span·class="c1">%%·specify·additional·arguments·to·the·new·node</span><span·class="w"> |
| 180 | ····</span><span·class="p"·data-group-id="2 | 180 | ····</span><span·class="p"·data-group-id="2169248449-23">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Peer</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Node</span><span·class="p"·data-group-id="216[·...·truncated·by·diffoscope;·len:·481,·SHA:·b1299b7d079028108e4df5297d42221df05a098fb65496efd1cb00078a566d5d·...·]-24">)</span><span·class="p">,</span><span·class="w"> |
| 181 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2 | 181 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2169248449-26">(</span><span·class="n">Peer</span><span·class="p"·data-group-id="2169248449-26">)</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="nf">named</span><span·class="p"·data-group-id="2 | 182 | </span><span·class="nf">named</span><span·class="p"·data-group-id="2169248449-27">(</span><span·class="n">Config</span><span·class="p"·data-group-id="2169248449-27">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_list</span><span·class="p"·data-group-id="2169248449-28"[·...·truncated·by·diffoscope;·len:·79,·SHA:·b1c0846726e55bcc58c5585159a9fd417e9f4460280c42696560bf04100b310a·...·]-28">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 183 | ····</span><span·class="c1">%%·pass·test·case·name·down·to·function·starting·nodes</span><span·class="w"> | 183 | ····</span><span·class="c1">%%·pass·test·case·name·down·to·function·starting·nodes</span><span·class="w"> |
| 184 | ····</span><span·class="n">Peer</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_node_impl</span><span·class="p"·data-group-id="2 | 184 | ····</span><span·class="n">Peer</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">start_node_impl</span><span·class="p"·data-group-id="2169248449-29">(</span><span·class="ss">named_test</span><span·class="p"·data-group-id="2169248449-29">)</span><span·class="p">,</span><span·class="w"> |
| 185 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2 | 185 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2169248449-30">(</span><span·class="n">Peer</span><span·class="p"·data-group-id="2169248449-30">)</span><span·class="p">.</span><span·class="w"> |
| 186 | </span><span·class="nf">start_node_impl</span><span·class="p"·data-group-id="2 | 186 | </span><span·class="nf">start_node_impl</span><span·class="p"·data-group-id="2169248449-31">(</span><span·class="n">ActualTestCase</span><span·class="p"·data-group-id="2169248449-31">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 187 | ····</span><span·class="p"·data-group-id="2 | 187 | ····</span><span·class="p"·data-group-id="2169248449-32">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Peer</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node</span><span·class="p"·data-group-id="2169248449-32">}</span><spa[·...·truncated·by·diffoscope;·len:·634,·SHA:·2f05361049b747a5eb17aac7dafa8b24b729d3d9002aef08a5799834551d7cab·...·]-33">)</span><span·class="p">,</span><span·class="w"> |
| 188 | ····</span><span·class="c1">%%·extra·setup·needed·for·multiple·test·cases</span><span·class="w"> | 188 | ····</span><span·class="c1">%%·extra·setup·needed·for·multiple·test·cases</span><span·class="w"> |
| 189 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rpc</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="2 | 189 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rpc</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="2169248449-36">(</span><span·class="n">Node</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">application</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">set_env</span><span·class="p">,</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·334,·SHA:·b6524679a8111003276212e7b6261d8790325897fa85dd3f390ebdce97e83e30·...·]-36">)</span><span·class="p">,</span><span·class="w"> |
| 190 | ····</span><span·class="n">Peer</span><span·class="p">.</span><span·class="w"> | 190 | ····</span><span·class="n">Peer</span><span·class="p">.</span><span·class="w"> |
| 191 | </span><span·class="nf">restart_node</span><span·class="p"·data-group-id="2 | 191 | </span><span·class="nf">restart_node</span><span·class="p"·data-group-id="2169248449-38">(</span><span·class="n">Config</span><span·class="p"·data-group-id="2169248449-38">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_list</span><span·class="p"·data-group-id="2169248449-39"[·...·truncated·by·diffoscope;·len:·79,·SHA:·b1c0846726e55bcc58c5585159a9fd417e9f4460280c42696560bf04100b310a·...·]-39">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 192 | ····</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">CT_PEER_NAME</span><span·class="p"·data-group-id="2 | 192 | ····</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">CT_PEER_NAME</span><span·class="p"·data-group-id="2169248449-40">(</span><span·class="p"·data-group-id="2169248449-40">)</span><span·class="p">,</span><span·class="w"> |
| 193 | ····</span><span·class="p"·data-group-id="2 | 193 | ····</span><span·class="p"·data-group-id="2169248449-41">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Peer</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node</span><span·class="p"·data-group-id="2169248449-41">}</span><spa[·...·truncated·by·diffoscope;·len:·457,·SHA:·81e322014c6c5b8616cae9008b456aa0ea30ae42fb69575e56455721724f86d2·...·]-42">)</span><span·class="p">,</span><span·class="w"> |
| 194 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2 | 194 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2169248449-44">(</span><span·class="n">Peer</span><span·class="p"·data-group-id="2169248449-44">)</span><span·class="p">,</span><span·class="w"> |
| 195 | ····</span><span·class="c1">%%·restart·the·node·with·the·same·name·as·before</span><span·class="w"> | 195 | ····</span><span·class="c1">%%·restart·the·node·with·the·same·name·as·before</span><span·class="w"> |
| 196 | ····</span><span·class="p"·data-group-id="2 | 196 | ····</span><span·class="p"·data-group-id="2169248449-45">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Peer2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node</span><span·class="p"·data-group-id="2169248449-45">}</span><sp[·...·truncated·by·diffoscope;·len:·757,·SHA:·fe785ba31a6175c68c5be663d9fef18c9fdfd28352181afe9f93e7919401ecad·...·]-46">)</span><span·class="p">,</span><span·class="w"> |
| 197 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2 | 197 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="2169248449-49">(</span><span·class="n">Peer2</span><span·class="p"·data-group-id="2169248449-49">)</span><span·class="p">.</span></code></pre><p>The·next·example·demonstrates·how·to·start·multiple·nodes·concurrently:</p><pre><code·class="makeup·erlang"·tran[·...·truncated·by·diffoscope;·len:·409,·SHA:·47159522eb98d33f151afaa9204d27837c287edba058829aaa0afd0b48c15570·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 198 | ····</span><span·class="n">Peers</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 198 | ····</span><span·class="n">Peers</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1903776520-3">[</span><span·class="o">?</span><span·class="n">CT_PEER</span><span·class="p"·data-group-id="1903776520-4">(</span><span·class="p"·data-group-id="1903776520-5">#{</span><span·class="ss">wait_boot</span><span·class="w">·</span><span·class="p">[·...·truncated·by·diffoscope;·len:·445,·SHA:·3715d8476a2a4d04e6fc6c42f88f8eb0857daa53d362986089f627bb394292f9·...·]-4">)</span><span·class="w"> |
| 199 | ········</span><span·class="p">||</span><span·class="w">·</span><span·class="p">_</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id=" | 199 | ········</span><span·class="p">||</span><span·class="w">·</span><span·class="p">_</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="1903776520-8">(</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">4</span><span·class="p"·data-group-id="1903776520-8">)</span><span·class="p"·data-group-id="1903776520-3">]</span><span·class="p">,</span><span·class="w"> |
| 200 | ····</span><span·class="c1">%%·wait·for·all·nodes·to·complete·boot·process,·get·their·names:</span><span·class="w"> | 200 | ····</span><span·class="c1">%%·wait·for·all·nodes·to·complete·boot·process,·get·their·names:</span><span·class="w"> |
| 201 | ····</span><span·class="p">_</span><span·class="n">Nodes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 201 | ····</span><span·class="p">_</span><span·class="n">Nodes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="1903776520-9">[</span><span·class="k">receive</span><span·class="w">·</span><span·class="p"·data-group-id="1903776520-10">{</span><span·class="ss">tag</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1903776520-11">{</sp[·...·truncated·by·diffoscope;·len:·279,·SHA:·d1fd57788261858dd7714b2f0ebb74a3cb2a06cfc63c7833a2ea482bccace5e9·...·]-10">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Node</span><span·class="w">·</span><span·class="k">end</span><span·class="w"> |
| 202 | ········</span><span·class="p">||</span><span·class="w">·</span><span·class="p"·data-group-id=" | 202 | ········</span><span·class="p">||</span><span·class="w">·</span><span·class="p"·data-group-id="1903776520-12">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Peer</span><span·class="p"·data-group-id="1903776520-12">}</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·67,·SHA:·d667243280a1281b62a61bf0c7a8517e58e309988d9cd6b54cb4c8ffa4cde1e4·...·]-9">]</span><span·class="p">,</span><span·class="w"> |
| 203 | ····</span><span·class="p"·data-group-id=" | 203 | ····</span><span·class="p"·data-group-id="1903776520-13">[</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="1903776520-14">(</span><span·class="n">Peer</span><span·class="p"·data-group-id="1903776520-14">)</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·409,·SHA:·6b277e1e6678767cbe6e1cce354893c5fc99d795683d632195e9d8c7654d9fff·...·]-13">]</span><span·class="p">.</span></code></pre><p>Start·a·peer·on·a·different·host.·Requires·<code·class="inline">ssh</code>·key-based·authentication·set |
| 204 | up,·allowing·"another_host"·connection·without·password·prompt.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Ssh</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">find_executable</span><span·class="p"·data-group-id=" | 204 | up,·allowing·"another_host"·connection·without·password·prompt.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Ssh</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">find_executable</span><span·class="p"·data-group-id="1050799303-1">(</span><span·class="s">"ssh"</span><span·class="p"·data-group-id="1050799303-1">)</span><span·class="p">,</span><span·class="w"> |
| 205 | </span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 205 | </span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="1050799303-2">(</span><span·class="p"·data-group-id="1050799303-3">#{</span><span·class="ss">exec</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="1050799303-4">{</span><span·class="n">Ssh</sp[·...·truncated·by·diffoscope;·len:·331,·SHA:·7102a865b8193cf11a86dc5b3054f19a3ccc518b476a462224979b5a7dc83462·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 206 | ····</span><span·class="ss">connection</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">standard_io</span><span·class="p"·data-group-id=" | 206 | ····</span><span·class="ss">connection</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">standard_io</span><span·class="p"·data-group-id="1050799303-3">}</span><span·class="p"·data-group-id="1050799303-2">)</span><span·class="p">,</span></code></pre><p>The·following·Common·Test·case·demonstrates·Docker·integration,·starting·two |
| 207 | containers·with·hostnames·"one"·and·"two".·In·this·example·Erlang·nodes·running | 207 | containers·with·hostnames·"one"·and·"two".·In·this·example·Erlang·nodes·running |
| 208 | inside·containers·form·an·Erlang·cluster.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">docker</span><span·class="p"·data-group-id=" | 208 | inside·containers·form·an·Erlang·cluster.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">docker</span><span·class="p"·data-group-id="7295929362-1">(</span><span·class="n">Config</span><span·class="p"·data-group-id="7295929362-1">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">is_list</span><span·class="p"·data-group-id="7295929362-2">([·...·truncated·by·diffoscope;·len:·76,·SHA:·befcf48a475df2be8cd7c775e68be5b11bdae671095822cd50dc4b3279bd017b·...·]2-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 209 | ····</span><span·class="n">Docker</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">find_executable</span><span·class="p"·data-group-id=" | 209 | ····</span><span·class="n">Docker</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">os</span><span·class="p">:</span><span·class="nf">find_executable</span><span·class="p"·data-group-id="7295929362-3">(</span><span·class="s">"docker"</span><span·class="p"·data-group-id="7295929362-3">)</span><span·class="p">,</span><span·class="w"> |
| 210 | ····</span><span·class="n">PrivDir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id=" | 210 | ····</span><span·class="n">PrivDir</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">proplists</span><span·class="p">:</span><span·class="nf">get_value</span><span·class="p"·data-group-id="7295929362-4">(</span><span·class="ss">priv_dir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Config</span><span·class="p"·data-group-id="7295929362-4">)</span><span·class="p">,</span><span·class="w"> |
| 211 | ····</span><span·class="nf">build_release</span><span·class="p"·data-group-id=" | 211 | ····</span><span·class="nf">build_release</span><span·class="p"·data-group-id="7295929362-5">(</span><span·class="n">PrivDir</span><span·class="p"·data-group-id="7295929362-5">)</span><span·class="p">,</span><span·class="w"> |
| 212 | ····</span><span·class="nf">build_image</span><span·class="p"·data-group-id=" | 212 | ····</span><span·class="nf">build_image</span><span·class="p"·data-group-id="7295929362-6">(</span><span·class="n">PrivDir</span><span·class="p"·data-group-id="7295929362-6">)</span><span·class="p">,</span><span·class="w"> |
| 213 | ····</span><span·class="c1">%%·start·two·Docker·containers</span><span·class="w"> | 213 | ····</span><span·class="c1">%%·start·two·Docker·containers</span><span·class="w"> |
| 214 | ····</span><span·class="p"·data-group-id=" | 214 | ····</span><span·class="p"·data-group-id="7295929362-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Peer</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node</span><span·class="p"·data-group-id="7295929362-7">}</span><span[·...·truncated·by·diffoscope;·len:·246,·SHA:·be54556440dd65d21dea9964821163fbe35efe155c0948e5ab55104e5aca9b50·...·]2-9">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">lambda</span><span·class="p">,</span><span·class="w"> |
| 215 | ········</span><span·class="ss">connection</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">standard_io</span><span·class="p">,</span><span·class="w"> | 215 | ········</span><span·class="ss">connection</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">standard_io</span><span·class="p">,</span><span·class="w"> |
| 216 | ········</span><span·class="ss">exec</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 216 | ········</span><span·class="ss">exec</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-10">{</span><span·class="n">Docker</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-11">[</span><span·class="s">"run"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">[·...·truncated·by·diffoscope;·len:·482,·SHA:·7be98ff2ae1c489594da8dcdc4ee2eeb42453fe1db85b1ecb16929fdfc668f81·...·]2-8">)</span><span·class="p">,</span><span·class="w"> |
| 217 | ····</span><span·class="p"·data-group-id=" | 217 | ····</span><span·class="p"·data-group-id="7295929362-12">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Peer2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Node2</span><span·class="p"·data-group-id="7295929362-12">}</span><[·...·truncated·by·diffoscope;·len:·251,·SHA:·2822bc3500e01a1fc803c232fcedfc62a0bb5158dc7b2af503484a047ed95220·...·]2-14">#{</span><span·class="ss">name</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">lambda</span><span·class="p">,</span><span·class="w"> |
| 218 | ········</span><span·class="ss">connection</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">standard_io</span><span·class="p">,</span><span·class="w"> | 218 | ········</span><span·class="ss">connection</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">standard_io</span><span·class="p">,</span><span·class="w"> |
| 219 | ········</span><span·class="ss">exec</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 219 | ········</span><span·class="ss">exec</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-15">{</span><span·class="n">Docker</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-16">[</span><span·class="s">"run"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">[·...·truncated·by·diffoscope;·len:·483,·SHA:·b6561c819a48d55c8a32d0a6402d2fef827a1579e3ba2d121fb1aaa83c387ab6·...·]2-13">)</span><span·class="p">,</span><span·class="w"> |
| 220 | ····</span><span·class="c1">%%·find·IP·address·of·the·second·node·using·alternative·connection·RPC</span><span·class="w"> | 220 | ····</span><span·class="c1">%%·find·IP·address·of·the·second·node·using·alternative·connection·RPC</span><span·class="w"> |
| 221 | ····</span><span·class="p"·data-group-id=" | 221 | ····</span><span·class="p"·data-group-id="7295929362-17">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ips</span><span·class="p"·data-group-id="7295929362-17">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·509,·SHA:·165f30d25332d3cd03ccd4abc401a021432a568628cd6df7f0c7a9d4d4be13c9·...·]2-18">)</span><span·class="p">,</span><span·class="w"> |
| 222 | ····</span><span·class="p"·data-group-id=" | 222 | ····</span><span·class="p"·data-group-id="7295929362-20">{</span><span·class="s">"eth0"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Eth0</span><span·class="p"·data-group-id="7295929362-20">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·[·...·truncated·by·diffoscope;·len:·371,·SHA:·d5abd4d2fadaab14cada25e25c2a41b418bbf2b3a195f134e5c15b21775efac5·...·]2-21">)</span><span·class="p">,</span><span·class="w"> |
| 223 | ····</span><span·class="p"·data-group-id=" | 223 | ····</span><span·class="p"·data-group-id="7295929362-22">{</span><span·class="ss">addr</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ip</span><span·class="p"·data-group-id="7295929362-22">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·348,·SHA:·b432a1b85467889a6e5bd87268aefe1c22bb1713d64774bf40cdc59bf4047e70·...·]2-23">)</span><span·class="p">,</span><span·class="w"> |
| 224 | ····</span><span·class="c1">%%·make·first·node·to·discover·second·one</span><span·class="w"> | 224 | ····</span><span·class="c1">%%·make·first·node·to·discover·second·one</span><span·class="w"> |
| 225 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 225 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="7295929362-24">(</span><span·class="n">Peer</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">inet_db</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">set_lookup</span><span·class="p">,</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·287,·SHA:·d73807c93e02e0f97b8f0327caa99876f0409c1fa02cf15af04c090dc0112671·...·]2-24">)</span><span·class="p">,</span><span·class="w"> |
| 226 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 226 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="7295929362-27">(</span><span·class="n">Peer</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">inet_db</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">add_host</span><span·class="p">,</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·368,·SHA:·7707cea2dfc4d013a7b5f16310c1cf45c05a7092d9e65a001cf1028d7af661f7·...·]2-27">)</span><span·class="p">,</span><span·class="w"> |
| 227 | ····</span><span·class="c1">%%·join·a·cluster</span><span·class="w"> | 227 | ····</span><span·class="c1">%%·join·a·cluster</span><span·class="w"> |
| 228 | ····</span><span·class="ss">true</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 228 | ····</span><span·class="ss">true</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="7295929362-30">(</span><span·class="n">Peer</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">net_kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">connect_node</span><span·class="p">,</span><span·class="w">[·...·truncated·by·diffoscope;·len:·184,·SHA:·3475f049b8cc59a0f612523e79bc27e90d07bfc7270b877527b45885a673086a·...·]2-30">)</span><span·class="p">,</span><span·class="w"> |
| 229 | ····</span><span·class="c1">%%·verify·that·second·peer·node·has·only·the·first·node·visible</span><span·class="w"> | 229 | ····</span><span·class="c1">%%·verify·that·second·peer·node·has·only·the·first·node·visible</span><span·class="w"> |
| 230 | ····</span><span·class="p"·data-group-id=" | 230 | ····</span><span·class="p"·data-group-id="7295929362-32">[</span><span·class="n">Node</span><span·class="p"·data-group-id="7295929362-32">]</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">call</span>[·...·truncated·by·diffoscope;·len:·433,·SHA:·86fd1ca586e64d5f35714de32ec239bc75e19f31d955eadc3a3aa55e5e2ae333·...·]2-33">)</span><span·class="p">,</span><span·class="w"> |
| 231 | ····</span><span·class="c1">%%·stop·peers,·causing·containers·to·also·stop</span><span·class="w"> | 231 | ····</span><span·class="c1">%%·stop·peers,·causing·containers·to·also·stop</span><span·class="w"> |
| 232 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 232 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="7295929362-35">(</span><span·class="n">Peer2</span><span·class="p"·data-group-id="7295929362-35">)</span><span·class="p">,</span><span·class="w"> |
| 233 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 233 | ····</span><span·class="nc">peer</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="7295929362-36">(</span><span·class="n">Peer</span><span·class="p"·data-group-id="7295929362-36">)</span><span·class="p">.</span><span·class="w"> |
| 234 | </span><span·class="nf">build_release</span><span·class="p"·data-group-id=" | 234 | </span><span·class="nf">build_release</span><span·class="p"·data-group-id="7295929362-37">(</span><span·class="n">Dir</span><span·class="p"·data-group-id="7295929362-37">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 235 | ····</span><span·class="c1">%%·load·sasl.app·file,·otherwise·application:get_key·will·fail</span><span·class="w"> | 235 | ····</span><span·class="c1">%%·load·sasl.app·file,·otherwise·application:get_key·will·fail</span><span·class="w"> |
| 236 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">load</span><span·class="p"·data-group-id=" | 236 | ····</span><span·class="nc">application</span><span·class="p">:</span><span·class="nf">load</span><span·class="p"·data-group-id="7295929362-38">(</span><span·class="ss">sasl</span><span·class="p"·data-group-id="7295929362-38">)</span><span·class="p">,</span><span·class="w"> |
| 237 | ····</span><span·class="c1">%%·create·*.rel·-·release·file</span><span·class="w"> | 237 | ····</span><span·class="c1">%%·create·*.rel·-·release·file</span><span·class="w"> |
| 238 | ····</span><span·class="n">RelFile</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id=" | 238 | ····</span><span·class="n">RelFile</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id="7295929362-39">(</span><span·class="n">Dir</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"lambda.rel"</span><span·class="p"·data-group-id="7295929362-39">)</span><span·class="p">,</span><span·class="w"> |
| 239 | ····</span><span·class="n">Release</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 239 | ····</span><span·class="n">Release</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-40">{</span><span·class="ss">release</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-41">{</span><span·class="s">"lambda"</span><span·class="p">,</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·69,·SHA:·ab225279c72471b833acd24a0c46f04c32520ba8bee910450acc855fb1ca5036·...·]2-41">}</span><span·class="p">,</span><span·class="w"> |
| 240 | ········</span><span·class="p"·data-group-id=" | 240 | ········</span><span·class="p"·data-group-id="7295929362-42">{</span><span·class="ss">erts</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="7295929362-43">(</span><span·class="s[·...·truncated·by·diffoscope;·len:·111,·SHA:·98ad19db4e31eed8d8c160f448c138be514fcad35b0af503098eec21db3612ce·...·]2-42">}</span><span·class="p">,</span><span·class="w"> |
| 241 | ········</span><span·class="p"·data-group-id=" | 241 | ········</span><span·class="p"·data-group-id="7295929362-44">[</span><span·class="p"·data-group-id="7295929362-45">{</span><span·class="n">App</span><span·class="p">,</span><span·class="w">·</span><span·class="k">begin</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-46">{</span[·...·truncated·by·diffoscope;·len:·690,·SHA:·587e98acc15df0e45ca67e91551d5ae64db97e86668f3ec1358222430e3e4c42·...·]2-45">}</span><span·class="w"> |
| 242 | ············</span><span·class="p">||</span><span·class="w">·</span><span·class="n">App</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="p"·data-group-id=" | 242 | ············</span><span·class="p">||</span><span·class="w">·</span><span·class="n">App</span><span·class="w">·</span><span·class="o"><-</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-48">[</span><span·class="ss">kernel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stdlib</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">sasl</span><span·class="p"·data-group-id="7295929362-48">]</[·...·truncated·by·diffoscope;·len:·99,·SHA:·4d07c9ce123fac9af6b0cc8887f54f24c1f57fac454133758cba36d9752a1b84·...·]2-40">}</span><span·class="p">,</span><span·class="w"> |
| 243 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write_file</span><span·class="p"·data-group-id=" | 243 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write_file</span><span·class="p"·data-group-id="7295929362-49">(</span><span·class="n">RelFile</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">list_to_binary</span><span·class="p"·data-group-id="7295929362-50">(</span><span·class="nc">lists</span><span·class="p">:</span><span·clas[·...·truncated·by·diffoscope;·len:·61,·SHA:·10c01b9ad71fdab14943a5675930694ac0261dcbdd6b6dbe16073d509fa57627·...·]2-51">(</span><span·class="w"> |
| 244 | ········</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 244 | ········</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="7295929362-52">(</span><span·class="s">"~tp."</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-53">[</span><span·class="n">Release</span><span·class="p"·data-group-id="7295929362-53">]</span><span·cl[·...·truncated·by·diffoscope;·len:·194,·SHA:·de0ff99177763a85e2c0c545deadb47536442793df6281d9069c8f2c7c6a821f·...·]2-49">)</span><span·class="p">,</span><span·class="w"> |
| 245 | ····</span><span·class="n">RelFileNoExt</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id=" | 245 | ····</span><span·class="n">RelFileNoExt</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id="7295929362-54">(</span><span·class="n">Dir</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"lambda"</span><span·class="p"·data-group-id="7295929362-54">)</span><span·class="p">,</span><span·class="w"> |
| 246 | ····</span><span·class="c1">%%·create·boot·script</span><span·class="w"> | 246 | ····</span><span·class="c1">%%·create·boot·script</span><span·class="w"> |
| 247 | ····</span><span·class="p"·data-group-id=" | 247 | ····</span><span·class="p"·data-group-id="7295929362-55">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">systools_make</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-56">[</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·291,·SHA:·ae8b3649a06cb8e706a41586b7e1f024001ece6a6c6555d9a9e9b5d83ac13db5·...·]2-57">(</span><span·class="n">RelFileNoExt</span><span·class="p">,</span><span·class="w"> |
| 248 | ········</span><span·class="p"·data-group-id=" | 248 | ········</span><span·class="p"·data-group-id="7295929362-58">[</span><span·class="ss">silent</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-59">{</span><span·class="ss">outdir</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dir</sp[·...·truncated·by·diffoscope;·len:·151,·SHA:·2910ab21243c6f45bc43e71767730ddf64795927b8a3c13e65aa16db6e61f374·...·]2-57">)</span><span·class="p">,</span><span·class="w"> |
| 249 | ····</span><span·class="c1">%%·package·release·into·*.tar.gz</span><span·class="w"> | 249 | ····</span><span·class="c1">%%·package·release·into·*.tar.gz</span><span·class="w"> |
| 250 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">systools</span><span·class="p">:</span><span·class="nf">make_tar</span><span·class="p"·data-group-id=" | 250 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">systools</span><span·class="p">:</span><span·class="nf">make_tar</span><span·class="p"·data-group-id="7295929362-60">(</span><span·class="n">RelFileNoExt</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7295929362-61">[</span><span·class="p"·data-group-id="7295929362-62">{</span><span·class="ss">erts</span><span·class="p[·...·truncated·by·diffoscope;·len:·374,·SHA:·4aaaf022091697c3bd9395c3bd1218a30d7dff32805937010db69b7b9daed95f·...·]2-60">)</span><span·class="p">.</span><span·class="w"> |
| 251 | </span><span·class="nf">build_image</span><span·class="p"·data-group-id=" | 251 | </span><span·class="nf">build_image</span><span·class="p"·data-group-id="7295929362-64">(</span><span·class="n">Dir</span><span·class="p"·data-group-id="7295929362-64">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 252 | ····</span><span·class="c1">%%·Create·Dockerfile·example,·working·only·for·Ubuntu·20.04</span><span·class="w"> | 252 | ····</span><span·class="c1">%%·Create·Dockerfile·example,·working·only·for·Ubuntu·20.04</span><span·class="w"> |
| 253 | ····</span><span·class="c1">%%·Expose·port·4445,·and·make·Erlang·distribution·to·listen</span><span·class="w"> | 253 | ····</span><span·class="c1">%%·Expose·port·4445,·and·make·Erlang·distribution·to·listen</span><span·class="w"> |
| 254 | ····</span><span·class="c1">%%··on·this·port,·and·connect·to·it·without·EPMD</span><span·class="w"> | 254 | ····</span><span·class="c1">%%··on·this·port,·and·connect·to·it·without·EPMD</span><span·class="w"> |
| 255 | ····</span><span·class="c1">%%·Set·cookie·on·both·nodes·to·be·the·same.</span><span·class="w"> | 255 | ····</span><span·class="c1">%%·Set·cookie·on·both·nodes·to·be·the·same.</span><span·class="w"> |
| 256 | ····</span><span·class="n">BuildScript</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id=" | 256 | ····</span><span·class="n">BuildScript</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">filename</span><span·class="p">:</span><span·class="nf">join</span><span·class="p"·data-group-id="7295929362-65">(</span><span·class="n">Dir</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Dockerfile"</span><span·class="p"·data-group-id="7295929362-65">)</span><span·class="p">,</span><span·class="w"> |
| 257 | ····</span><span·class="n">Dockerfile</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 257 | ····</span><span·class="n">Dockerfile</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 258 | ······</span><span·class="s">"FROM·ubuntu:20.04·as·runner\n"</span><span·class="w"> | 258 | ······</span><span·class="s">"FROM·ubuntu:20.04·as·runner\n"</span><span·class="w"> |
| 259 | ······</span><span·class="s">"EXPOSE·4445\n"</span><span·class="w"> | 259 | ······</span><span·class="s">"EXPOSE·4445\n"</span><span·class="w"> |
| 260 | ······</span><span·class="s">"WORKDIR·/opt/lambda\n"</span><span·class="w"> | 260 | ······</span><span·class="s">"WORKDIR·/opt/lambda\n"</span><span·class="w"> |
| 261 | ······</span><span·class="s">"COPY·lambda.tar.gz·/tmp\n"</span><span·class="w"> | 261 | ······</span><span·class="s">"COPY·lambda.tar.gz·/tmp\n"</span><span·class="w"> |
| 262 | ······</span><span·class="s">"RUN·tar·-zxvf·/tmp/lambda.tar.gz·-C·/opt/lambda\n"</span><span·class="w"> | 262 | ······</span><span·class="s">"RUN·tar·-zxvf·/tmp/lambda.tar.gz·-C·/opt/lambda\n"</span><span·class="w"> |
| 263 | ······</span><span·class="s">"ENTRYPOINT·[\"/opt/lambda/erts-"</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id=" | 263 | ······</span><span·class="s">"ENTRYPOINT·[\"/opt/lambda/erts-"</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">system_info</span><span·class="p"·data-group-id="7295929362-66">(</span><span·class="ss">version</span><span·class="p"·data-group-id="7295929362-66">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w"> |
| 264 | ······</span><span·class="s">"/bin/dyn_erl\",·\"-boot\",·\"/opt/lambda/releases/1.0.0/start\","</span><span·class="w"> | 264 | ······</span><span·class="s">"/bin/dyn_erl\",·\"-boot\",·\"/opt/lambda/releases/1.0.0/start\","</span><span·class="w"> |
| 265 | ······</span><span·class="s">"·\"-kernel\",·\"inet_dist_listen_min\",·\"4445\","</span><span·class="w"> | 265 | ······</span><span·class="s">"·\"-kernel\",·\"inet_dist_listen_min\",·\"4445\","</span><span·class="w"> |
| 266 | ······</span><span·class="s">"·\"-erl_epmd_port\",·\"4445\","</span><span·class="w"> | 266 | ······</span><span·class="s">"·\"-erl_epmd_port\",·\"4445\","</span><span·class="w"> |
| 267 | ······</span><span·class="s">"·\"-setcookie\",·\"secret\"]\n"</span><span·class="p">,</span><span·class="w"> | 267 | ······</span><span·class="s">"·\"-setcookie\",·\"secret\"]\n"</span><span·class="p">,</span><span·class="w"> |
| 268 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write_file</span><span·class="p"·data-group-id=" | 268 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write_file</span><span·class="p"·data-group-id="7295929362-67">(</span><span·class="n">BuildScript</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Dockerfile</span><span·class="p"·data-group-id="7295929362-67">)</span><span·class="p">,</span><span·class="w"> |
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| 495 | ······<p·class="built-using"> | 495 | ······<p·class="built-using"> |
| 496 | ········Built·using | 496 | ········Built·using |
| 497 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 497 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 498 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 498 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 499 | ······</p> | 499 | ······</p> |
| 500 | <p>Copyright·©·1996-202 | 500 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 501 | ····</footer> | 501 | ····</footer> |
| 502 | ··</div> | 502 | ··</div> |
| 503 | </main> | 503 | </main> |
| 504 | </div> | 504 | </div> |
| 505 | <script> | 505 | <script> |
| 506 | ··function·mermaidLoaded()·{ | 506 | ··function·mermaidLoaded()·{ |
| 507 | ····mermaid.initialize({ | 507 | ····mermaid.initialize({ |
| Offset 969, 29 lines modified | Offset 969, 29 lines modified | ||
| 969 | the·start·function·used.</p><p>If·neither·this·function·nor·<a·href="#init_fail/3"><code·class="inline">init_fail/2,3</code></a>·is·called·by·the | 969 | the·start·function·used.</p><p>If·neither·this·function·nor·<a·href="#init_fail/3"><code·class="inline">init_fail/2,3</code></a>·is·called·by·the |
| 970 | started·process,·the·start·function·returns·an·error·tuple·when·the·started | 970 | started·process,·the·start·function·returns·an·error·tuple·when·the·started |
| 971 | process·exits,·or·when·the·start·function·time-out·(if·used)·has·passed,·see | 971 | process·exits,·or·when·the·start·function·time-out·(if·used)·has·passed,·see |
| 972 | <a·href="#start/5"><code·class="inline">start/3,4,5</code></a>.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>Do·not·use·this·function·to·return·an·error·indicating·that·the·process·start | 972 | <a·href="#start/5"><code·class="inline">start/3,4,5</code></a>.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>Do·not·use·this·function·to·return·an·error·indicating·that·the·process·start |
| 973 | failed.·When·doing·so·the·start·function·can·return·before·the·failing·process | 973 | failed.·When·doing·so·the·start·function·can·return·before·the·failing·process |
| 974 | has·exited,·which·may·block·VM·resources·required·for·a·new·start·attempt·to | 974 | has·exited,·which·may·block·VM·resources·required·for·a·new·start·attempt·to |
| 975 | succeed.·Use·<a·href="#init_fail/3"><code·class="inline">init_fail/2,3</code></a>·for·that·purpose.</p></section><p>The·following·example·illustrates·how·this·function·and·<a·href="#start_link/3"><code·class="inline">proc_lib:start_link/3</code></a> | 975 | succeed.·Use·<a·href="#init_fail/3"><code·class="inline">init_fail/2,3</code></a>·for·that·purpose.</p></section><p>The·following·example·illustrates·how·this·function·and·<a·href="#start_link/3"><code·class="inline">proc_lib:start_link/3</code></a> |
| 976 | are·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 976 | are·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2313615055-1">(</span><span·class="ss">my_proc</span><span·class="p"·data-group-id="2313615055-1">)</span><span·class="p">.</span><span·class="w"> |
| 977 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 977 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2313615055-2">(</span><span·class="p"·data-group-id="2313615055-3">[</span><span·class="ss">start_link</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="2313615055-3">]</span><span·class="p"·data-group-id="2313615055-2">)</span><span·class="p">.</span><span·class="w"> |
| 978 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 978 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2313615055-4">(</span><span·class="p"·data-group-id="2313615055-5">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="2313615055-5">]</span><span·class="p"·data-group-id="2313615055-4">)</span><span·class="p">.</span><span·class="w"> |
| 979 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 979 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id="2313615055-6">(</span><span·class="p"·data-group-id="2313615055-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 980 | ····</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 980 | ····</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="2313615055-7">(</span><span·class="ss">my_proc</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2313615055-8">[</span><span·class="nf">self</spa[·...·truncated·by·diffoscope;·len:·202,·SHA:·e1ca532f4b1c679d49da9139e1e033dd44c74995393b6896d78eb4f5c513771a·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 981 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 981 | </span><span·class="nf">init</span><span·class="p"·data-group-id="2313615055-10">(</span><span·class="n">Parent</span><span·class="p"·data-group-id="2313615055-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 982 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">do_initialization</span><span·class="p"·data-group-id=" | 982 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">do_initialization</span><span·class="p"·data-group-id="2313615055-11">(</span><span·class="p"·data-group-id="2313615055-11">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 983 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 983 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 984 | ············</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">init_ack</span><span·class="p"·data-group-id=" | 984 | ············</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">init_ack</span><span·class="p"·data-group-id="2313615055-12">(</span><span·class="n">Parent</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2313615055-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span>[·...·truncated·by·diffoscope;·len:·203,·SHA:·bc3ad7367f78d01c09348d6f3a5025230fff6e50d1fee0f293106beb30df051c·...·]-12">)</span><span·class="p">;</span><span·class="w"> |
| 985 | ········</span><span·class="p"·data-group-id=" | 985 | ········</span><span·class="p"·data-group-id="2313615055-15">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="2313615055-15">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 986 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id=" | 986 | ············</span><span·class="nf">exit</span><span·class="p"·data-group-id="2313615055-16">(</span><span·class="n">Reason</span><span·class="p"·data-group-id="2313615055-16">)</span><span·class="w"> |
| 987 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 987 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 988 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id=" | 988 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="2313615055-17">(</span><span·class="p"·data-group-id="2313615055-17">)</span><span·class="p">.</span><span·class="w"> |
| 989 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre> | 989 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre> |
| 990 | ··</section> | 990 | ··</section> |
| 991 | </section> | 991 | </section> |
| 992 | <section·class="detail"·id="init_fail/2"> | 992 | <section·class="detail"·id="init_fail/2"> |
| 993 | ··<div·class="detail-header"> | 993 | ··<div·class="detail-header"> |
| Offset 1052, 29 lines modified | Offset 1052, 29 lines modified | ||
| 1052 | to·<code·class="inline">Exception</code>.·The·start·function·then·returns·<code·class="inline">Ret</code>.</p><p>See·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#raise/3"><code·class="inline">erlang:raise/3</code></a>·for·a·description·of·<code·class="inline">Class</code>,·<code·class="inline">Reason</code>·and·<code·class="inline">Stacktrace</code>.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>Do·not·consider·catching·the·exception·from·this·function.·That·would·defeat | 1052 | to·<code·class="inline">Exception</code>.·The·start·function·then·returns·<code·class="inline">Ret</code>.</p><p>See·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#raise/3"><code·class="inline">erlang:raise/3</code></a>·for·a·description·of·<code·class="inline">Class</code>,·<code·class="inline">Reason</code>·and·<code·class="inline">Stacktrace</code>.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>Do·not·consider·catching·the·exception·from·this·function.·That·would·defeat |
| 1053 | its·purpose.·A·process·started·by·a·<a·href="#start/3"><code·class="inline">start[_link|_monitor]/3,4,5</code></a> | 1053 | its·purpose.·A·process·started·by·a·<a·href="#start/3"><code·class="inline">start[_link|_monitor]/3,4,5</code></a> |
| 1054 | function·should·end·in·a·value·(that·will·be·ignored)·or·an·exception·that | 1054 | function·should·end·in·a·value·(that·will·be·ignored)·or·an·exception·that |
| 1055 | will·be·handled·by·this·module.·See·<a·href="proc_lib.html">Description</a>.</p></section><p>If·neither·this·function·nor·<a·href="#init_ack/1"><code·class="inline">init_ack/1,2</code></a>·is·called·by·the | 1055 | will·be·handled·by·this·module.·See·<a·href="proc_lib.html">Description</a>.</p></section><p>If·neither·this·function·nor·<a·href="#init_ack/1"><code·class="inline">init_ack/1,2</code></a>·is·called·by·the |
| 1056 | started·process,·the·start·function·returns·an·error·tuple·when·the·started | 1056 | started·process,·the·start·function·returns·an·error·tuple·when·the·started |
| 1057 | process·exits,·or·when·the·start·function·time-out·(if·used)·has·passed,·see | 1057 | process·exits,·or·when·the·start·function·time-out·(if·used)·has·passed,·see |
| 1058 | <a·href="#start/3"><code·class="inline">start/3,4,5</code></a>.</p><p>The·following·example·illustrates·how·this·function·and·<a·href="#start_link/3"><code·class="inline">proc_lib:start_link/3</code></a> | 1058 | <a·href="#start/3"><code·class="inline">start/3,4,5</code></a>.</p><p>The·following·example·illustrates·how·this·function·and·<a·href="#start_link/3"><code·class="inline">proc_lib:start_link/3</code></a> |
| 1059 | can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="134 | 1059 | can·be·used:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1483480092-1">(</span><span·class="ss">my_proc</span><span·class="p"·data-group-id="1483480092-1">)</span><span·class="p">.</span><span·class="w"> |
| 1060 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1341729703-2">(</span><span·class="p"·data-group-id="1341729703-3">[</span><span·class="ss">start_link</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="1341729703-3">]</span><span·class="p"·data-group-id="1341729703-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 1061 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="134 | 1060 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1483480092-2">(</span><span·class="p"·data-group-id="1483480092-3">[</span><span·class="ss">start_link</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="1483480092-3">]</span><span·class="p"·data-group-id="1483480092-2">)</span><span·class="p">.</span><span·class="w"> |
| 1061 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1483480092-4">(</span><span·class="p"·data-group-id="1483480092-5">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="1483480092-5">]</span><span·class="p"·data-group-id="1483480092-4">)</span><span·class="p">.</span><span·class="w"> | ||
| 1062 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id="134 | 1062 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id="1483480092-6">(</span><span·class="p"·data-group-id="1483480092-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1063 | ····</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="134 | 1063 | ····</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="1483480092-7">(</span><span·class="ss">my_proc</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">init</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1483480092-8">[</span><span·class="nf">self</span[·...·truncated·by·diffoscope;·len:·201,·SHA:·6cfbd0ccdaa74ba143879d775f23e7cb5e8a0c9eeeadd7b5e23275edb2411619·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 1064 | </span><span·class="nf">init</span><span·class="p"·data-group-id="134 | 1064 | </span><span·class="nf">init</span><span·class="p"·data-group-id="1483480092-10">(</span><span·class="n">Parent</span><span·class="p"·data-group-id="1483480092-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1065 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">do_initialization</span><span·class="p"·data-group-id="134 | 1065 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nf">do_initialization</span><span·class="p"·data-group-id="1483480092-11">(</span><span·class="p"·data-group-id="1483480092-11">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 1066 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 1066 | ········</span><span·class="ss">ok</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1067 | ············</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">init_ack</span><span·class="p"·data-group-id="134 | 1067 | ············</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">init_ack</span><span·class="p"·data-group-id="1483480092-12">(</span><span·class="n">Parent</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1483480092-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><[·...·truncated·by·diffoscope;·len:·202,·SHA:·94b47eba44ff8082d78f192b8764e10ec528633f6e13075dbcb2cb6550ddd0d9·...·]-12">)</span><span·class="p">;</span><span·class="w"> |
| 1068 | ········</span><span·class="p"·data-group-id="134 | 1068 | ········</span><span·class="p"·data-group-id="1483480092-15">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Reason</span><span·class="p"·data-group-id="1483480092-15">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Error</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1069 | ············</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">init_fail</span><span·class="p"·data-group-id="134 | 1069 | ············</span><span·class="nc">proc_lib</span><span·class="p">:</span><span·class="nf">init_fail</span><span·class="p"·data-group-id="1483480092-16">(</span><span·class="n">Parent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Error</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1483480092-17">{</span><span·class="nb">exit</span[·...·truncated·by·diffoscope;·len:·174,·SHA:·e2f56d98425eb9e3197e0c78d61c560e61bab67801c0abe01690c298702074d5·...·]-16">)</span><span·class="w"> |
| 1070 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 1070 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 1071 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="134 | 1071 | ····</span><span·class="nf">loop</span><span·class="p"·data-group-id="1483480092-18">(</span><span·class="p"·data-group-id="1483480092-18">)</span><span·class="p">.</span><span·class="w"> |
| 1072 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre> | 1072 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre> |
| 1073 | ··</section> | 1073 | ··</section> |
| 1074 | </section> | 1074 | </section> |
| 1075 | <section·class="detail"·id="initial_call/1"> | 1075 | <section·class="detail"·id="initial_call/1"> |
| 1076 | ··<div·class="detail-header"> | 1076 | ··<div·class="detail-header"> |
| Offset 1948, 15 lines modified | Offset 1948, 15 lines modified | ||
| 1948 | ······<p·class="built-using"> | 1948 | ······<p·class="built-using"> |
| 1949 | ········Built·using | 1949 | ········Built·using |
| 1950 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1950 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1951 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1951 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1952 | ······</p> | 1952 | ······</p> |
| 1953 | <p>Copyright·©·1996-202 | 1953 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1954 | ····</footer> | 1954 | ····</footer> |
| 1955 | ··</div> | 1955 | ··</div> |
| 1956 | </main> | 1956 | </main> |
| 1957 | </div> | 1957 | </div> |
| 1958 | <script> | 1958 | <script> |
| 1959 | ··function·mermaidLoaded()·{ | 1959 | ··function·mermaidLoaded()·{ |
| 1960 | ····mermaid.initialize({ | 1960 | ····mermaid.initialize({ |
| Offset 522, 15 lines modified | Offset 522, 15 lines modified | ||
| 522 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·append_values(Key,·ListIn)·->·ListOut·when·Key·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·ListIn·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()],·ListOut·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()].</pre> | 522 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·append_values(Key,·ListIn)·->·ListOut·when·Key·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>(),·ListIn·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()],·ListOut·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()].</pre> |
| 523 | ······</div> | 523 | ······</div> |
| 524 | <p>Similar·to·<a·href="#get_all_values/2"><code·class="inline">get_all_values/2</code></a>,·but·each·value·is·wrapped·in·a·list·unless·it·is | 524 | <p>Similar·to·<a·href="#get_all_values/2"><code·class="inline">get_all_values/2</code></a>,·but·each·value·is·wrapped·in·a·list·unless·it·is |
| 525 | already·itself·a·list.·The·resulting·list·of·lists·is·concatenated.·This·is | 525 | already·itself·a·list.·The·resulting·list·of·lists·is·concatenated.·This·is |
| 526 | often·useful·for·"incremental"·options.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">append_values</span><span·class="p"·data-group-id=" | 526 | often·useful·for·"incremental"·options.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">append_values</span><span·class="p"·data-group-id="8073025928-1">(</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8073025928-2">[</span><span·class="p"·data-group-id="8073025928-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·1837,·SHA:·cd1848cdb2cda8e72cc6814940952c7c80aea6fc97d902bc4330a3b244242a67·...·]-1">]</span></code></pre> |
| 527 | ··</section> | 527 | ··</section> |
| 528 | </section> | 528 | </section> |
| 529 | <section·class="detail"·id="compact/1"> | 529 | <section·class="detail"·id="compact/1"> |
| 530 | ··<div·class="detail-header"> | 530 | ··<div·class="detail-header"> |
| 531 | ····<a·href="#compact/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 531 | ····<a·href="#compact/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 532 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 532 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 610, 18 lines modified | Offset 610, 18 lines modified | ||
| 610 | ······</div> | 610 | ······</div> |
| 611 | <p>Expands·particular·properties·to·corresponding·sets·of·properties·(or·other | 611 | <p>Expands·particular·properties·to·corresponding·sets·of·properties·(or·other |
| 612 | terms).</p><p>For·each·pair·<code·class="inline">{Property,·Expansion}</code>·in·<code·class="inline">Expansions</code>:·if·<code·class="inline">E</code>·is·the | 612 | terms).</p><p>For·each·pair·<code·class="inline">{Property,·Expansion}</code>·in·<code·class="inline">Expansions</code>:·if·<code·class="inline">E</code>·is·the |
| 613 | first·entry·in·<code·class="inline">ListIn</code>·with·the·same·key·as·<code·class="inline">Property</code>,·and·<code·class="inline">E</code>·and·<code·class="inline">Property</code> | 613 | first·entry·in·<code·class="inline">ListIn</code>·with·the·same·key·as·<code·class="inline">Property</code>,·and·<code·class="inline">E</code>·and·<code·class="inline">Property</code> |
| 614 | have·equivalent·normal·forms,·then·<code·class="inline">E</code>·is·replaced·with·the·terms·in | 614 | have·equivalent·normal·forms,·then·<code·class="inline">E</code>·is·replaced·with·the·terms·in |
| 615 | <code·class="inline">Expansion</code>,·and·any·following·entries·with·the·same·key·are·deleted·from | 615 | <code·class="inline">Expansion</code>,·and·any·following·entries·with·the·same·key·are·deleted·from |
| 616 | <code·class="inline">ListIn</code>.</p><p>For·example,·the·following·expressions·all·return·<code·class="inline">[fie,·bar,·baz,·fum]</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">expand</span><span·class="p"·data-group-id="0795222858-1">(</span><span·class="p"·data-group-id="0795222858-2">[</span><span·class="p"·data-group-id="0795222858-3">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0795222858-4">[</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">baz</span><span·class="p"·data-group-id="0795222858-4">]</span><span·class="p"·data-group-id="0795222858-3">}</span><span·class="p"·data-group-id="0795222858-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0795222858-5">[</span><span·class="ss">fie</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">fum</span><span·class="p"·data-group-id="0795222858-5">]</span><span·class="p"·data-group-id="0795222858-1">)</span><span·class="w"> | ||
| 617 | </span><span·class="nf">expand</span><span·class="p"·data-group-id="0795222858-6">(</span><span·class="p"·data-group-id="0795222858-7">[</span><span·class="p"·data-group-id="0795222858-8">{</span><span·class="p"·data-group-id="0795222858-9">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="0795222858-9">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0795222858-10">[</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">baz</span><span·class="p"·data-group-id="0795222858-10">]</span><span·class="p"·data-group-id="0795222858-8">}</span><span·class="p"·data-group-id="0795222858-7">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0795222858-11">[</span><span·class="ss">fie</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">fum</span><span·class="p"·data-group-id="0795222858-11">]</span><span·class="p"·data-group-id="0795222858-6">)</span><span·class="w"> | ||
| 618 | </span><span·class="nf">expand</span><span·class="p"·data-group-id="0795222858-12">(</span><span·class="p"·data-group-id="0795222858-13">[</span><span·class="p"·data-group-id="0795222858-14">{</span><span·class="p"·data-group-id="0795222858-15">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="0795222858-15">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0795222858-16">[</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">baz</span><span·class="p"·data-group-id="0795222858-16">]</span><span·class="p"·data-group-id="0795222858-14">}</span><span·class="p"·data-group-id="0795222858-13">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0795222858-17">[</span><span·class="ss">fie</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0795222858-18">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="0795222858-18">}</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">fum</span><span·class="p"·data-group-id="0795222858-17">]</span><span·class="p"·data-group-id="0795222858-12">)</span></code></pre><p>However,·no·expansion·is·done·in·the·following·call·because·<code·class="inline">{foo,·false}</code> | ||
| 619 | 616 | <code·class="inline">ListIn</code>.</p><p>For·example,·the·following·expressions·all·return·<code·class="inline">[fie,·bar,·baz,·fum]</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">expand</span><span·class="p"·data-group-id="15[·...·truncated·by·diffoscope;·len:·915,·SHA:·7e764348d799712d2a664b21ef39ba88c7d1b5241a3725f0cde5586083c5ff9a·...·] | |
| 617 | </span><span·class="nf">expand</span><span·class="p"·data-group-id="1509243869-6">(</span><span·class="p"·data-group-id="1509243869-7">[</span><span·class="p"·data-group-id="1509243869-8">{</span><span·class="p"·data-group-id="1509243869-9">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="1509243869-9">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1509243869-10">[</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">baz</span><span·class="p"·data-group-id="1509243869-10">]</span><span·class="p"·data-group-id="1509243869-8">}</span><span·class="p"·data-group-id="1509243869-7">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1509243869-11">[</span><span·class="ss">fie</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">fum</span><span·class="p"·data-group-id="1509243869-11">]</span><span·class="p"·data-group-id="1509243869-6">)</span><span·class="w"> | ||
| 618 | </span><span·class="nf">expand</span><span·class="p"·data-group-id="1509243869-12">(</span><span·class="p"·data-group-id="1509243869-13">[</span><span·class="p"·data-group-id="1509243869-14">{</span><span·class="p"·data-group-id="1509243869-15">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="1509243869-15">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1509243869-16">[</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">baz</span><span·class="p"·data-group-id="1509243869-16">]</span><span·class="p"·data-group-id="1509243869-14">}</span><span·class="p"·data-group-id="1509243869-13">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1509243869-17">[</span><span·class="ss">fie</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1509243869-18">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="1509243869-18">}</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">fum</span><span·class="p"·data-group-id="1509243869-17">]</span><span·class="p"·data-group-id="1509243869-12">)</span></code></pre><p>However,·no·expansion·is·done·in·the·following·call·because·<code·class="inline">{foo,·false}</code> | ||
| 619 | shadows·<code·class="inline">foo</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">expand</span><span·class="p"·data-group-id="7553313110-1">(</span><span·class="p"·data-group-id="7553313110-2">[</span><span·class="p"·data-group-id="7553313110-3">{</span><span·class="p"·data-group-id="7553313110-4">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="7553313110-4">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7553313110-5">[</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">baz</span><span·class="p"·data-group-id="7553313110-5">]</span><span·class="p"·data-group-id="7553313110-3">}</span><span·class="p"·data-group-id="7553313110-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7553313110-6">[</span><span·class="p"·data-group-id="7553313110-7">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="7553313110-7">}</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">fie</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">fum</span><span·class="p"·data-group-id="7553313110-6">]</span><span·class="p"·data-group-id="7553313110-1">)</span></code></pre><p>Notice·that·if·the·original·property·term·is·to·be·preserved·in·the·result·when | ||
| 620 | expanded,·it·must·be·included·in·the·expansion·list.·The·inserted·terms·are·not | 620 | expanded,·it·must·be·included·in·the·expansion·list.·The·inserted·terms·are·not |
| 621 | expanded·recursively.·If·<code·class="inline">Expansions</code>·contains·more·than·one·property·with·the | 621 | expanded·recursively.·If·<code·class="inline">Expansions</code>·contains·more·than·one·property·with·the |
| 622 | same·key,·only·the·first·occurrence·is·used.</p><p>See·also·<a·href="#normalize/2"><code·class="inline">normalize/2</code></a>.</p> | 622 | same·key,·only·the·first·occurrence·is·used.</p><p>See·also·<a·href="#normalize/2"><code·class="inline">normalize/2</code></a>.</p> |
| 623 | ··</section> | 623 | ··</section> |
| 624 | </section> | 624 | </section> |
| 625 | <section·class="detail"·id="from_map/1"> | 625 | <section·class="detail"·id="from_map/1"> |
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| 992 | ···············when·List·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()],·Keys·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()],·Lists·::·[[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()]],·Rest·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()].</pre> | 992 | ···············when·List·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()],·Keys·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()],·Lists·::·[[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()]],·Rest·::·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>()].</pre> |
| 993 | ······</div> | 993 | ······</div> |
| 994 | <p>Partitions·<code·class="inline">List</code>·into·a·list·of·sublists·and·a·remainder.</p><p><code·class="inline">Lists</code>·contains·one·sublist·for·each·key·in·<code·class="inline">Keys</code>,·in·the·corresponding·order. | 994 | <p>Partitions·<code·class="inline">List</code>·into·a·list·of·sublists·and·a·remainder.</p><p><code·class="inline">Lists</code>·contains·one·sublist·for·each·key·in·<code·class="inline">Keys</code>,·in·the·corresponding·order. |
| 995 | The·relative·order·of·the·elements·in·each·sublist·is·preserved·from·the·original·<code·class="inline">List</code>. | 995 | The·relative·order·of·the·elements·in·each·sublist·is·preserved·from·the·original·<code·class="inline">List</code>. |
| 996 | <code·class="inline">Rest</code>·contains·the·elements·in·<code·class="inline">List</code>·that·are·not·associated·with·any·of·the | 996 | <code·class="inline">Rest</code>·contains·the·elements·in·<code·class="inline">List</code>·that·are·not·associated·with·any·of·the |
| 997 | specified·keys,·also·with·their·original·relative·order·preserved.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">split</span><span·class="p"·data-group-id="2 | 997 | specified·keys,·also·with·their·original·relative·order·preserved.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">split</span><span·class="p"·data-group-id="2830457832-1">(</span><span·class="p"·data-group-id="2830457832-2">[</span><span·class="p"·data-group-id="2830457832-3">{</span><span·class="ss">c</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">2</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·3431,·SHA:·f00fd4b4bb5141e184ef690d483c76b2704bdac7df6817fbee620ff034026f21·...·]-1">}</span></code></pre> |
| 998 | ··</section> | 998 | ··</section> |
| 999 | </section> | 999 | </section> |
| 1000 | <section·class="detail"·id="substitute_aliases/2"> | 1000 | <section·class="detail"·id="substitute_aliases/2"> |
| 1001 | ··<div·class="detail-header"> | 1001 | ··<div·class="detail-header"> |
| 1002 | ····<a·href="#substitute_aliases/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1002 | ····<a·href="#substitute_aliases/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1003 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1003 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 1109 | ······</div> | 1109 | ······</div> |
| 1110 | <p>Converts·the·property·list·<code·class="inline">List</code>·to·a·map.</p><p>Shorthand·atom·values·in·<code·class="inline">List</code>·will·be·expanded·to·an·association·of·the·form | 1110 | <p>Converts·the·property·list·<code·class="inline">List</code>·to·a·map.</p><p>Shorthand·atom·values·in·<code·class="inline">List</code>·will·be·expanded·to·an·association·of·the·form |
| 1111 | <code·class="inline">Atom·=>·true</code>.·Tuples·of·the·form·<code·class="inline">{Key,·Value}</code>·in·<code·class="inline">List</code>·will·be·converted·to | 1111 | <code·class="inline">Atom·=>·true</code>.·Tuples·of·the·form·<code·class="inline">{Key,·Value}</code>·in·<code·class="inline">List</code>·will·be·converted·to |
| 1112 | an·association·of·the·form·<code·class="inline">Key·=>·Value</code>.·Anything·else·will·be·silently | 1112 | an·association·of·the·form·<code·class="inline">Key·=>·Value</code>.·Anything·else·will·be·silently |
| 1113 | ignored.</p><p>If·the·same·key·appears·in·<code·class="inline">List</code>·multiple·times,·the·value·of·the·one·appearing | 1113 | ignored.</p><p>If·the·same·key·appears·in·<code·class="inline">List</code>·multiple·times,·the·value·of·the·one·appearing |
| 1114 | nearest·to·the·head·of·<code·class="inline">List</code>·will·be·in·the·result·map,·that·is·the·value·that | 1114 | nearest·to·the·head·of·<code·class="inline">List</code>·will·be·in·the·result·map,·that·is·the·value·that |
| 1115 | would·be·returned·by·a·call·to·<a·href="#get_value/2"><code·class="inline">get_value(Key,·List)</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">to_map</span><span·class="p"·data-group-id=" | 1115 | would·be·returned·by·a·call·to·<a·href="#get_value/2"><code·class="inline">get_value(Key,·List)</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">to_map</span><span·class="p"·data-group-id="5369895868-1">(</span><span·class="p"·data-group-id="5369895868-2">[</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="5369895868-3">{</span><span·class="ss">b</span><span·class="p">,</span><span·[·...·truncated·by·diffoscope;·len:·1354,·SHA:·7825f93dc0df968a63527d8dac17678af5dd5560b812011ea420d0f672869ca3·...·]-1">}</span></code></pre> |
| 1116 | ··</section> | 1116 | ··</section> |
| 1117 | </section> | 1117 | </section> |
| 1118 | <section·class="detail"·id="to_map/2"> | 1118 | <section·class="detail"·id="to_map/2"> |
| 1119 | ··<div·class="detail-header"> | 1119 | ··<div·class="detail-header"> |
| 1120 | ····<a·href="#to_map/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1120 | ····<a·href="#to_map/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1121 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1121 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
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| 1201 | ······<p·class="built-using"> | 1201 | ······<p·class="built-using"> |
| 1202 | ········Built·using | 1202 | ········Built·using |
| 1203 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1203 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1204 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1204 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1205 | ······</p> | 1205 | ······</p> |
| 1206 | <p>Copyright·©·1996-202 | 1206 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1207 | ····</footer> | 1207 | ····</footer> |
| 1208 | ··</div> | 1208 | ··</div> |
| 1209 | </main> | 1209 | </main> |
| 1210 | </div> | 1210 | </div> |
| 1211 | <script> | 1211 | <script> |
| 1212 | ··function·mermaidLoaded()·{ | 1212 | ··function·mermaidLoaded()·{ |
| 1213 | ····mermaid.initialize({ | 1213 | ····mermaid.initialize({ |
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| 713 | ······<div·class="specs"> | 713 | ······<div·class="specs"> |
| 714 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·all(Pred,·Q·::·<a·href="#t:queue/1">queue</a>(Item))·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()·when·Pred·::·fun((Item)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()).</pre> | 714 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·all(Pred,·Q·::·<a·href="#t:queue/1">queue</a>(Item))·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()·when·Pred·::·fun((Item)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()).</pre> |
| 715 | ······</div> | 715 | ······</div> |
| 716 | <p>Returns·<code·class="inline">true</code>·if·<code·class="inline">Pred(Item)</code>·returns·<code·class="inline">true</code>·for·all·items·<code·class="inline">Item</code>·in·<code·class="inline">Q</code>, | 716 | <p>Returns·<code·class="inline">true</code>·if·<code·class="inline">Pred(Item)</code>·returns·<code·class="inline">true</code>·for·all·items·<code·class="inline">Item</code>·in·<code·class="inline">Q</code>, |
| 717 | otherwise·<code·class="inline">false</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="9 | 717 | otherwise·<code·class="inline">false</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="7598325045-1">(</span><span·class="p"·data-group-id="7598325045-2">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·cla[·...·truncated·by·diffoscope;·len:·134,·SHA:·67e9be05fe34952c07b7e1e3b4b7f7ebea5930dde77ca5a6104cab6e9d9d8768·...·]-1">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 718 | 2>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">all</span><span·class="p"·data-group-id="9 | 718 | 2>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">all</span><span·class="p"·data-group-id="7598325045-3">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="7598325045-4">(</span><span·class="n">E</span><span·class="p"·data-group-id="7598325045-4">)</span><span·class="w">·</span><span·class="p">-></span><[·...·truncated·by·diffoscope;·len:·314,·SHA:·4fae5b6413ac869b024a78d6ef569b9ebd1247027e82d1f7e4f9ec563dd11646·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 719 | </span><span·class="ss">false</span><span·class="gp·unselectable"> | 719 | </span><span·class="ss">false</span><span·class="gp·unselectable"> |
| 720 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">all</span><span·class="p"·data-group-id="9 | 720 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">all</span><span·class="p"·data-group-id="7598325045-5">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="7598325045-6">(</span><span·class="n">E</span><span·class="p"·data-group-id="7598325045-6">)</span><span·class="w">·</span><span·class="p">-></span><[·...·truncated·by·diffoscope;·len:·314,·SHA:·b1aaa38c1e419c6faa673722c1ba3b2ba885ad3e7418cf4d18989143a90f5416·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 721 | </span><span·class="ss">true</span></code></pre> | 721 | </span><span·class="ss">true</span></code></pre> |
| 722 | ··</section> | 722 | ··</section> |
| 723 | </section> | 723 | </section> |
| 724 | <section·class="detail"·id="any/2"> | 724 | <section·class="detail"·id="any/2"> |
| 725 | ··<div·class="detail-header"> | 725 | ··<div·class="detail-header"> |
| 726 | ····<a·href="#any/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 726 | ····<a·href="#any/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 746, 18 lines modified | Offset 746, 18 lines modified | ||
| 746 | ······<div·class="specs"> | 746 | ······<div·class="specs"> |
| 747 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·any(Pred,·Q·::·<a·href="#t:queue/1">queue</a>(Item))·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()·when·Pred·::·fun((Item)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()).</pre> | 747 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·any(Pred,·Q·::·<a·href="#t:queue/1">queue</a>(Item))·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()·when·Pred·::·fun((Item)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()).</pre> |
| 748 | ······</div> | 748 | ······</div> |
| 749 | <p>Returns·<code·class="inline">true</code>·if·<code·class="inline">Pred(Item)</code>·returns·<code·class="inline">true</code>·for·at·least·one·item·<code·class="inline">Item</code>·in | 749 | <p>Returns·<code·class="inline">true</code>·if·<code·class="inline">Pred(Item)</code>·returns·<code·class="inline">true</code>·for·at·least·one·item·<code·class="inline">Item</code>·in |
| 750 | <code·class="inline">Q</code>,·otherwise·<code·class="inline">false</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 750 | <code·class="inline">Q</code>,·otherwise·<code·class="inline">false</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="9915622794-1">(</span><span·class="p"·data-group-id="9915622794-2">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·cla[·...·truncated·by·diffoscope;·len:·134,·SHA:·f0c0872499cf20707ff1a49691f835d1af107afce50c02c88de9be9a959d29b1·...·]-1">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 751 | 2>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">any</span><span·class="p"·data-group-id=" | 751 | 2>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">any</span><span·class="p"·data-group-id="9915622794-3">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="9915622794-4">(</span><span·class="n">E</span><span·class="p"·data-group-id="9915622794-4">)</span><span·class="w">·</span><span·class="p">-></span><[·...·truncated·by·diffoscope;·len:·315,·SHA:·676fc7153bf590cf147b183503c4ebb394c20355d201061d822e24baafd5f64b·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 752 | </span><span·class="ss">false</span><span·class="gp·unselectable"> | 752 | </span><span·class="ss">false</span><span·class="gp·unselectable"> |
| 753 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">any</span><span·class="p"·data-group-id=" | 753 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">any</span><span·class="p"·data-group-id="9915622794-5">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="9915622794-6">(</span><span·class="n">E</span><span·class="p"·data-group-id="9915622794-6">)</span><span·class="w">·</span><span·class="p">-></span><[·...·truncated·by·diffoscope;·len:·314,·SHA:·4cebe00c4e7845eb20f5b19ce69324b09b79bc8aaa9358cf1cfb7cda24fdc43c·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 754 | </span><span·class="ss">true</span></code></pre> | 754 | </span><span·class="ss">true</span></code></pre> |
| 755 | ··</section> | 755 | ··</section> |
| 756 | </section> | 756 | </section> |
| 757 | <section·class="detail"·id="delete/2"> | 757 | <section·class="detail"·id="delete/2"> |
| 758 | ··<div·class="detail-header"> | 758 | ··<div·class="detail-header"> |
| 759 | ····<a·href="#delete/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 759 | ····<a·href="#delete/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 779, 17 lines modified | Offset 779, 17 lines modified | ||
| 779 | ······<div·class="specs"> | 779 | ······<div·class="specs"> |
| 780 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·delete(Item,·Q1)·->·Q2·when·Item·::·T,·Q1·::·<a·href="#t:queue/1">queue</a>(T),·Q2·::·<a·href="#t:queue/1">queue</a>(T),·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 780 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·delete(Item,·Q1)·->·Q2·when·Item·::·T,·Q1·::·<a·href="#t:queue/1">queue</a>(T),·Q2·::·<a·href="#t:queue/1">queue</a>(T),·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 781 | ······</div> | 781 | ······</div> |
| 782 | <p>Returns·a·copy·of·<code·class="inline">Q1</code>·where·the·first·item·matching·<code·class="inline">Item</code>·is·deleted,·if·there | 782 | <p>Returns·a·copy·of·<code·class="inline">Q1</code>·where·the·first·item·matching·<code·class="inline">Item</code>·is·deleted,·if·there |
| 783 | is·such·an·item.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 783 | is·such·an·item.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="9931037360-1">(</span><span·class="p"·data-group-id="9931037360-2">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·cla[·...·truncated·by·diffoscope;·len:·134,·SHA:·0e78b435a487a5ff553e215e56f5f640f82a295a276a183518d94275facbc6ba·...·]-1">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 784 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id=" | 784 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">delete</span><span·class="p"·data-group-id="9931037360-3">(</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Queue</span><span·class="p"·data-group-id="9931037360-3">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 785 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id=" | 785 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">member</span><span·class="p"·data-group-id="9931037360-4">(</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Queue1</span><span·class="p"·data-group-id="9931037360-4">)</span><span·class="p">.</span><span·class="w"> |
| 786 | </span><span·class="ss">false</span></code></pre> | 786 | </span><span·class="ss">false</span></code></pre> |
| 787 | ··</section> | 787 | ··</section> |
| 788 | </section> | 788 | </section> |
| 789 | <section·class="detail"·id="delete_r/2"> | 789 | <section·class="detail"·id="delete_r/2"> |
| 790 | ··<div·class="detail-header"> | 790 | ··<div·class="detail-header"> |
| 791 | ····<a·href="#delete_r/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 791 | ····<a·href="#delete_r/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 811, 18 lines modified | Offset 811, 18 lines modified | ||
| 811 | ······<div·class="specs"> | 811 | ······<div·class="specs"> |
| 812 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·delete_r(Item,·Q1)·->·Q2·when·Item·::·T,·Q1·::·<a·href="#t:queue/1">queue</a>(T),·Q2·::·<a·href="#t:queue/1">queue</a>(T),·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 812 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·delete_r(Item,·Q1)·->·Q2·when·Item·::·T,·Q1·::·<a·href="#t:queue/1">queue</a>(T),·Q2·::·<a·href="#t:queue/1">queue</a>(T),·T·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 813 | ······</div> | 813 | ······</div> |
| 814 | <p>Returns·a·copy·of·<code·class="inline">Q1</code>·where·the·last·item·matching·<code·class="inline">Item</code>·is·deleted,·if·there | 814 | <p>Returns·a·copy·of·<code·class="inline">Q1</code>·where·the·last·item·matching·<code·class="inline">Item</code>·is·deleted,·if·there |
| 815 | is·such·an·item.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 815 | is·such·an·item.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="1999217773-1">(</span><span·class="p"·data-group-id="1999217773-2">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·cla[·...·truncated·by·diffoscope;·len:·183,·SHA:·d114bfd8c50d821800e7f138b868ffc0743078679dbc128f383aa6cb7de89866·...·]-1">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 816 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">delete_r</span><span·class="p"·data-group-id=" | 816 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">delete_r</span><span·class="p"·data-group-id="1999217773-3">(</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Queue</span><span·class="p"·data-group-id="1999217773-3">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 817 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">to_list</span><span·class="p"·data-group-id=" | 817 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">to_list</span><span·class="p"·data-group-id="1999217773-4">(</span><span·class="n">Queue1</span><span·class="p"·data-group-id="1999217773-4">)</span><span·class="p">.</span><span·class="w"> |
| 818 | </span><span·class="p"·data-group-id=" | 818 | </span><span·class="p"·data-group-id="1999217773-5">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">5</span><span·class="[·...·truncated·by·diffoscope;·len:·28,·SHA:·d8b7ad486d3e1ac791119de35e7c9a990cb0955499da9521e1a58fbe40b0292f·...·]-5">]</span></code></pre> |
| 819 | ··</section> | 819 | ··</section> |
| 820 | </section> | 820 | </section> |
| 821 | <section·class="detail"·id="delete_with/2"> | 821 | <section·class="detail"·id="delete_with/2"> |
| 822 | ··<div·class="detail-header"> | 822 | ··<div·class="detail-header"> |
| 823 | ····<a·href="#delete_with/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 823 | ····<a·href="#delete_with/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 824 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 824 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 848, 18 lines modified | Offset 848, 18 lines modified | ||
| 848 | ·························Q1·::·<a·href="#t:queue/1">queue</a>(Item), | 848 | ·························Q1·::·<a·href="#t:queue/1">queue</a>(Item), |
| 849 | ·························Q2·::·<a·href="#t:queue/1">queue</a>(Item), | 849 | ·························Q2·::·<a·href="#t:queue/1">queue</a>(Item), |
| 850 | ·························Item·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 850 | ·························Item·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 851 | ······</div> | 851 | ······</div> |
| 852 | <p>Returns·a·copy·of·<code·class="inline">Q1</code>·where·the·first·item·for·which·<code·class="inline">Pred</code>·returns·<code·class="inline">true</code>·is | 852 | <p>Returns·a·copy·of·<code·class="inline">Q1</code>·where·the·first·item·for·which·<code·class="inline">Pred</code>·returns·<code·class="inline">true</code>·is |
| 853 | deleted,·if·there·is·such·an·item.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 853 | deleted,·if·there·is·such·an·item.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="1459902348-1">(</span><span·class="p"·data-group-id="1459902348-2">[</span><span·class="mi">100</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·c[·...·truncated·by·diffoscope;·len:·185,·SHA:·c4cf3e14935c158130b7c7487e0929ee0c387f67060abe48eb464fda94ce8637·...·]-1">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 854 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">delete_with</span><span·class="p"·data-group-id=" | 854 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">delete_with</span><span·class="p"·data-group-id="1459902348-3">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="1459902348-4">(</span><span·class="n">E</span><span·class="p"·data-group-id="1459902348-4">)</span><span·class="w">·</span><span·class="p">-></span><[·...·truncated·by·diffoscope;·len:·264,·SHA:·194d71ad4f2c045acb16ccd6ef3335c669effb1111b55088f96300fb03452c58·...·]-3">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 855 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">to_list</span><span·class="p"·data-group-id=" | 855 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">to_list</span><span·class="p"·data-group-id="1459902348-5">(</span><span·class="n">Queue1</span><span·class="p"·data-group-id="1459902348-5">)</span><span·class="p">.</span><span·class="w"> |
| 856 | </span><span·class="p"·data-group-id=" | 856 | </span><span·class="p"·data-group-id="1459902348-6">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">5</span><span·class="[·...·truncated·by·diffoscope;·len:·28,·SHA:·460d615ea8082ea5c451c6c67945657187c76b303d4e0d4f1c53d5f595d54bbd·...·]-6">]</span></code></pre> |
| 857 | ··</section> | 857 | ··</section> |
| 858 | </section> | 858 | </section> |
| 859 | <section·class="detail"·id="delete_with_r/2"> | 859 | <section·class="detail"·id="delete_with_r/2"> |
| 860 | ··<div·class="detail-header"> | 860 | ··<div·class="detail-header"> |
| 861 | ····<a·href="#delete_with_r/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 861 | ····<a·href="#delete_with_r/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 862 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 862 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 885, 18 lines modified | Offset 885, 18 lines modified | ||
| 885 | ···························Q1·::·<a·href="#t:queue/1">queue</a>(Item), | 885 | ···························Q1·::·<a·href="#t:queue/1">queue</a>(Item), |
| 886 | ···························Q2·::·<a·href="#t:queue/1">queue</a>(Item), | 886 | ···························Q2·::·<a·href="#t:queue/1">queue</a>(Item), |
| 887 | ···························Item·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> | 887 | ···························Item·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:term/0">term</a>().</pre> |
| 888 | ······</div> | 888 | ······</div> |
| 889 | <p>Returns·a·copy·of·<code·class="inline">Q1</code>·where·the·last·item·for·which·<code·class="inline">Pred</code>·returns·<code·class="inline">true</code>·is | 889 | <p>Returns·a·copy·of·<code·class="inline">Q1</code>·where·the·last·item·for·which·<code·class="inline">Pred</code>·returns·<code·class="inline">true</code>·is |
| 890 | deleted,·if·there·is·such·an·item.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 890 | deleted,·if·there·is·such·an·item.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="2243903523-1">(</span><span·class="p"·data-group-id="2243903523-2">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·cla[·...·truncated·by·diffoscope;·len:·185,·SHA:·46d9ede9a8065ec8a8e7524bfb38f3d1aa5f12009a0b7a1853963f004b71f05c·...·]-1">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 891 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">delete_with</span><span·class="p"·data-group-id=" | 891 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">delete_with</span><span·class="p"·data-group-id="2243903523-3">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="2243903523-4">(</span><span·class="n">E</span><span·class="p"·data-group-id="2243903523-4">)</span><span·class="w">·</span><span·class="p">-></span><[·...·truncated·by·diffoscope;·len:·265,·SHA:·bb62c016b11e7b938ff1f59875412872836bd0e34bcdb0467c8a798c74ac5f91·...·]-3">)</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 892 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">to_list</span><span·class="p"·data-group-id=" | 892 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">to_list</span><span·class="p"·data-group-id="2243903523-5">(</span><span·class="n">Queue1</span><span·class="p"·data-group-id="2243903523-5">)</span><span·class="p">.</span><span·class="w"> |
| 893 | </span><span·class="p"·data-group-id=" | 893 | </span><span·class="p"·data-group-id="2243903523-6">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">5</span><span·class="[·...·truncated·by·diffoscope;·len:·28,·SHA:·185d5a06a7cf863e41be9de85b9e4dff254a3d227f65be989d1cec699cbb8ed1·...·]-6">]</span></code></pre> |
| 894 | ··</section> | 894 | ··</section> |
| 895 | </section> | 895 | </section> |
| 896 | <section·class="detail"·id="filter/2"> | 896 | <section·class="detail"·id="filter/2"> |
| 897 | ··<div·class="detail-header"> | 897 | ··<div·class="detail-header"> |
| 898 | ····<a·href="#filter/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 898 | ····<a·href="#filter/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 899 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 899 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 917, 27 lines modified | Offset 917, 27 lines modified | ||
| 917 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·filter(Fun,·Q1·::·<a·href="#t:queue/1">queue</a>(Item))·->·Q2·::·<a·href="#t:queue/1">queue</a>(Item)·when·Fun·::·fun((Item)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()·|·[Item]).</pre> | 917 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·filter(Fun,·Q1·::·<a·href="#t:queue/1">queue</a>(Item))·->·Q2·::·<a·href="#t:queue/1">queue</a>(Item)·when·Fun·::·fun((Item)·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>()·|·[Item]).</pre> |
| 918 | ······</div> | 918 | ······</div> |
| 919 | <p>Returns·a·queue·<code·class="inline">Q2</code>·that·is·the·result·of·calling·<code·class="inline">Fun(Item)</code>·on·all·items·in | 919 | <p>Returns·a·queue·<code·class="inline">Q2</code>·that·is·the·result·of·calling·<code·class="inline">Fun(Item)</code>·on·all·items·in |
| 920 | <code·class="inline">Q1</code>.</p><p>If·<code·class="inline">Fun(Item)</code>·returns·<code·class="inline">true</code>,·<code·class="inline">Item</code>·is·copied·to·the·result·queue.·If·it | 920 | <code·class="inline">Q1</code>.</p><p>If·<code·class="inline">Fun(Item)</code>·returns·<code·class="inline">true</code>,·<code·class="inline">Item</code>·is·copied·to·the·result·queue.·If·it |
| 921 | returns·<code·class="inline">false</code>,·<code·class="inline">Item</code>·is·not·copied.·If·it·returns·a·list,·the·list·elements | 921 | returns·<code·class="inline">false</code>,·<code·class="inline">Item</code>·is·not·copied.·If·it·returns·a·list,·the·list·elements |
| 922 | are·inserted·instead·of·<code·class="inline">Item</code>·in·the·result·queue.</p><p><em>Example·1:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id=" | 922 | are·inserted·instead·of·<code·class="inline">Item</code>·in·the·result·queue.</p><p><em>Example·1:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Queue</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="8955290788-1">(</span><span·class="p"·data-group-id="8955290788-2">[</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·cla[·...·truncated·by·diffoscope;·len:·133,·SHA:·c610fe607a0b1ddf9eda1a4f525c394576a53bdb092e704a097b4cd58eb2cf54·...·]8-1">)</span><span·class="p">.</span><span·class="w"> |
| 923 | </span><span·class="p"·data-group-id=" | 923 | </span><span·class="p"·data-group-id="8955290788-3">{</span><span·class="p"·data-group-id="8955290788-4">[</span><span·class="mi">5</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="8955290788-4">]</span><span[·...·truncated·by·diffoscope;·len:·239,·SHA:·0c362d4d7c4054042ec9bb1b62b6a92a79782037510fc270701ac6537f38160f·...·]8-3">}</span><span·class="gp·unselectable"> |
| 924 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">filter</span><span·class="p"·data-group-id=" | 924 | 2>·</span><span·class="n">Queue1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">filter</span><span·class="p"·data-group-id="8955290788-6">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="8955290788-7">(</span><span·class="n">E</span><span·class="p"·data-group-id="8955290788-7">)</span><span·class="w">·</span><span·class="p">-></span><[·...·truncated·by·diffoscope;·len:·313,·SHA:·024196405253971c9403ef5f77dc66ba136d2c2dd3442e7a8b81ff7cf566a8ef·...·]8-6">)</span><span·class="p">.</span><span·class="w"> |
| 925 | </span><span·class="p"·data-group-id=" | 925 | </span><span·class="p"·data-group-id="8955290788-8">{</span><span·class="p"·data-group-id="8955290788-9">[</span><span·class="mi">5</span><span·class="p"·data-group-id="8955290788-9">]</span><span·class="p">,</span><span·class="p"·data-group-id="8955290788-10">[</span><span·class="mi">3</span>[·...·truncated·by·diffoscope;·len:·143,·SHA:·53a808a9ff0ef99460a079ea420d7dcbf6448df8eb02a9955e65ff9484caf8a1·...·]8-8">}</span><span·class="gp·unselectable"> |
| 926 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">to_list</span><span·class="p"·data-group-id=" | 926 | 3>·</span><span·class="nc">queue</span><span·class="p">:</span><span·class="nf">to_list</span><span·class="p"·data-group-id="8955290788-11">(</span><span·class="n">Queue1</span><span·class="p"·data-group-id="8955290788-11">)</span><span·class="p">.</span><span·class="w"> |
| 927 | </span><span·class="p"·data-group-id=" | 927 | </span><span·class="p"·data-group-id="8955290788-12">[</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="8955290788-12">]</span></code></pre><p>So,·<code·class="inline">Fun(Item)</code>·returning·<code·class="inline">[Item]</code>·is·thereby·semantically·equivalent·to |
| 928 | returning·<code·class="inline">true</code>,·just·as·returning·<code·class="inline">[]</code>·is·semantically·equivalent·to·returning | 928 | returning·<code·class="inline">true</code>,·just·as·returning·<code·class="inline">[]</code>·is·semantically·equivalent·to·returning |
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| 197 | or·be·an·explicit·argument·and·return·value.</p><p>The·functions·with·implicit·state·operates·on·a·state·stored | 197 | or·be·an·explicit·argument·and·return·value.</p><p>The·functions·with·implicit·state·operates·on·a·state·stored |
| 198 | in·the·process·dictionary·under·the·key·<code·class="inline">rand_seed</code>.··If·that·key | 198 | in·the·process·dictionary·under·the·key·<code·class="inline">rand_seed</code>.··If·that·key |
| 199 | doesn't·exist·when·the·function·is·called,·<a·href="#seed/1"><code·class="inline">seed/1</code></a>·is·called·automatically | 199 | doesn't·exist·when·the·function·is·called,·<a·href="#seed/1"><code·class="inline">seed/1</code></a>·is·called·automatically |
| 200 | with·the·<a·href="#default-algorithm"><em>default·algorithm</em></a>·and·creates | 200 | with·the·<a·href="#default-algorithm"><em>default·algorithm</em></a>·and·creates |
| 201 | a·reasonably·unpredictable·seed.</p><p>The·functions·with·explicit·state·don't·use·the·process·dictionary.</p><h4><em>Examples</em></h4><p>Simple·use;·create·and·seed·the | 201 | a·reasonably·unpredictable·seed.</p><p>The·functions·with·explicit·state·don't·use·the·process·dictionary.</p><h4><em>Examples</em></h4><p>Simple·use;·create·and·seed·the |
| 202 | <a·href="#default-algorithm"><em>default·algorithm</em></a>·with·a·non-fixed·seed, | 202 | <a·href="#default-algorithm"><em>default·algorithm</em></a>·with·a·non-fixed·seed, |
| 203 | if·not·already·done,·and·generate·two·uniformly·distibuted | 203 | if·not·already·done,·and·generate·two·uniformly·distibuted |
| 204 | floating·point·numbers.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">R0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 204 | floating·point·numbers.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">R0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="6636522492-1">(</span><span·class="p"·data-group-id="6636522492-1">)</span><span·class="p">,</span><span·class="w"> |
| 205 | </span><span·class="n">R1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 205 | </span><span·class="n">R1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="6636522492-2">(</span><span·class="p"·data-group-id="6636522492-2">)</span><span·class="p">,</span></code></pre><p>Use·a·specified·algorithm:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</span><span·class="o"[·...·truncated·by·diffoscope;·len:·240,·SHA:·b5adba34d3d462c0097f3bf40b3cddb61d7495c4eace072fbe7ad26ad54d2658·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 206 | </span><span·class="n">R2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 206 | </span><span·class="n">R2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="4524771200-2">(</span><span·class="p"·data-group-id="4524771200-2">)</span><span·class="p">,</span></code></pre><p>Use·a·specified·algorithm·with·a·fixed·seed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">_</span><span·class="w">·</sp[·...·truncated·by·diffoscope;·len:·595,·SHA:·cbca9b2deca5a3930f001fc92b99734daad15b63a8d80802beeee9d1f9d6dbf7·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 207 | </span><span·class="n">R3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="1 | 207 | </span><span·class="n">R3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="1633207875-3">(</span><span·class="p"·data-group-id="1633207875-3">)</span><span·class="p">,</span></code></pre><p>Use·the·functional·API·with·a·non-fixed·seed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">S0</span><span·class="w">·</s[·...·truncated·by·diffoscope;·len:·257,·SHA:·f80b95b76a088b5aa851c8330b38d714c996a3e7e967e22db5a5be9bb8c2556a·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 208 | </span><span·class="p"·data-group-id="8 | 208 | </span><span·class="p"·data-group-id="8576060482-2">{</span><span·class="n">R4</span><span·class="p">,</span><span·class="w">·</span><span·class="n">S1</span><span·class="p"·data-group-id="8576060482-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class=[·...·truncated·by·diffoscope;·len:·653,·SHA:·a68258f31bffc38e847f78ddb3610a56f58ad587282cb398999c3e83452e4e3f·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 209 | </span><span·class="n">R6</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 209 | </span><span·class="n">R6</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="9147675240-2">(</span><span·class="p"·data-group-id="9147675240-2">)</span><span·class="p">,</span><span·class="w"> |
| 210 | </span><span·class="n">SND0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">math</span><span·class="p">:</span><span·class="nf">sqrt</span><span·class="p"·data-group-id=" | 210 | </span><span·class="n">SND0</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">math</span><span·class="p">:</span><span·class="nf">sqrt</span><span·class="p"·data-group-id="9147675240-3">(</span><span·class="o">-</span><span·class="mi">2</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="nc">math</span><span·class="p">:</span><span·class="nf">log</span><span·class="p"·data-group-id="914[·...·truncated·by·diffoscope;·len:·2113,·SHA:·e859111a94e31905c5529dc00f1eafd6db68cd4bac45d7382fc1ced5f1eefa4b·...·]-2">)</span><span·class="p">,</span></code></pre><h4>Quality·of·the·Generated·Numbers</h4><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>The·builtin·random·number·generator·algorithms·are·not·cryptographically |
| 211 | strong.·If·a·cryptographically·strong·random·number·generator·is·needed, | 211 | strong.·If·a·cryptographically·strong·random·number·generator·is·needed, |
| 212 | use·something·like·<a·href="../../../../lib/crypto-5.5.3/doc/html/crypto.html#rand_seed/0"><code·class="inline">crypto:rand_seed/0</code></a>.</p></section><p>For·all·these·generators·except·<code·class="inline">exro928ss</code>·and·<code·class="inline">exsss</code>·the·lowest·bit(s) | 212 | use·something·like·<a·href="../../../../lib/crypto-5.5.3/doc/html/crypto.html#rand_seed/0"><code·class="inline">crypto:rand_seed/0</code></a>.</p></section><p>For·all·these·generators·except·<code·class="inline">exro928ss</code>·and·<code·class="inline">exsss</code>·the·lowest·bit(s) |
| 213 | have·got·a·slightly·less·random·behaviour·than·all·other·bits. | 213 | have·got·a·slightly·less·random·behaviour·than·all·other·bits. |
| 214 | 1·bit·for·<code·class="inline">exrop</code>·(and·<code·class="inline">exsp</code>),·and·3·bits·for·<code·class="inline">exs1024s</code>.·See·for·example | 214 | 1·bit·for·<code·class="inline">exrop</code>·(and·<code·class="inline">exsp</code>),·and·3·bits·for·<code·class="inline">exs1024s</code>.·See·for·example |
| 215 | this·explanation·in·the | 215 | this·explanation·in·the |
| 216 | <a·href="http://xoroshiro.di.unimi.it/xoroshiro128plus.c">Xoroshiro128+</a> | 216 | <a·href="http://xoroshiro.di.unimi.it/xoroshiro128plus.c">Xoroshiro128+</a> |
| 217 | generator·source·code:</p><blockquote><p>Beside·passing·BigCrush,·this·generator·passes·the·PractRand·test·suite | 217 | generator·source·code:</p><blockquote><p>Beside·passing·BigCrush,·this·generator·passes·the·PractRand·test·suite |
| 218 | up·to·(and·included)·16TB,·with·the·exception·of·binary·rank·tests, | 218 | up·to·(and·included)·16TB,·with·the·exception·of·binary·rank·tests, |
| 219 | which·fail·due·to·the·lowest·bit·being·an·LFSR;·all·other·bits·pass·all | 219 | which·fail·due·to·the·lowest·bit·being·an·LFSR;·all·other·bits·pass·all |
| 220 | tests.·We·suggest·to·use·a·sign·test·to·extract·a·random·Boolean·value.</p></blockquote><p>If·this·is·a·problem;·to·generate·a·boolean·with·these·algorithms, | 220 | tests.·We·suggest·to·use·a·sign·test·to·extract·a·random·Boolean·value.</p></blockquote><p>If·this·is·a·problem;·to·generate·a·boolean·with·these·algorithms, |
| 221 | use·something·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 221 | use·something·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2217860479-1">(</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="2217860479-2">(</span><span·class="mi">256</span><span·class="p"·data-group-id="2217860479-2">)</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·2110,·SHA:·7a38c1220de098950cd0e3d23a75c4dfe78cf05d7ef9411df693de8b1f822c2f·...·]-1">)</span></code></pre><p>The·floating·point·generating·functions·in·this·module·waste·the·lowest·bits |
| 222 | when·converting·from·an·integer·so·they·avoid·this·snag.</p><h2·id="module-niche-algorithms"·class="section-heading"> | 222 | when·converting·from·an·integer·so·they·avoid·this·snag.</p><h2·id="module-niche-algorithms"·class="section-heading"> |
| 223 | ··<a·href="#module-niche-algorithms"·class="hover-link"> | 223 | ··<a·href="#module-niche-algorithms"·class="hover-link"> |
| 224 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 224 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 225 | ··</a> | 225 | ··</a> |
| 226 | ··<span·class="text"><a·href=""·id="niche-algorithms"></a>·Niche·algorithms</span> | 226 | ··<span·class="text"><a·href=""·id="niche-algorithms"></a>·Niche·algorithms</span> |
| 227 | </h2> | 227 | </h2> |
| 228 | <p>The·<a·href="#niche-algorithms-api">niche·algorithms·API</a>·contains | 228 | <p>The·<a·href="#niche-algorithms-api">niche·algorithms·API</a>·contains |
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| 1871 | <p>Generate·a·uniformly·distributed·random·number·<code·class="inline">0.0 =< X < 1.0</code>.</p><p>From·the·specified·<code·class="inline">State</code>,·generates·a·random·number·<code·class="inline">X ::</code> <a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:float/0"><code·class="inline">float/0</code></a>, | 1871 | <p>Generate·a·uniformly·distributed·random·number·<code·class="inline">0.0 =< X < 1.0</code>.</p><p>From·the·specified·<code·class="inline">State</code>,·generates·a·random·number·<code·class="inline">X ::</code> <a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:float/0"><code·class="inline">float/0</code></a>, |
| 1872 | uniformly·distributed·in·the·value·range·<code·class="inline">0.0·=<·X·<·1.0</code>. | 1872 | uniformly·distributed·in·the·value·range·<code·class="inline">0.0·=<·X·<·1.0</code>. |
| 1873 | Returns·the·number·<code·class="inline">X</code>·and·the·updated·<code·class="inline">NewState</code>.</p><p>The·generated·numbers·are·on·the·form·<code·class="inline">N * 2.0^(-53)</code>,·that·is; | 1873 | Returns·the·number·<code·class="inline">X</code>·and·the·updated·<code·class="inline">NewState</code>.</p><p>The·generated·numbers·are·on·the·form·<code·class="inline">N * 2.0^(-53)</code>,·that·is; |
| 1874 | equally·spaced·in·the·interval.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>This·function·may·return·exactly·<code·class="inline">0.0</code>·which·can·be·fatal·for·certain | 1874 | equally·spaced·in·the·interval.</p><section·role="note"·class="admonition·warning"><h4·class="admonition-title·warning">Warning</h4><p>This·function·may·return·exactly·<code·class="inline">0.0</code>·which·can·be·fatal·for·certain |
| 1875 | applications.·If·that·is·undesired·you·can·use·<code·class="inline">(1.0 - rand:uniform())</code> | 1875 | applications.·If·that·is·undesired·you·can·use·<code·class="inline">(1.0 - rand:uniform())</code> |
| 1876 | to·get·the·interval·<code·class="inline">0.0 < X =< 1.0</code>,·or·instead·use·<a·href="#uniform_real/0"><code·class="inline">uniform_real/0</code></a>.</p><p>If·neither·endpoint·is·desired·you·can·achieve·the·range | 1876 | to·get·the·interval·<code·class="inline">0.0 < X =< 1.0</code>,·or·instead·use·<a·href="#uniform_real/0"><code·class="inline">uniform_real/0</code></a>.</p><p>If·neither·endpoint·is·desired·you·can·achieve·the·range |
| 1877 | <code·class="inline">0.0 < X < 1.0</code>·using·test·and·re-try·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_uniform</span><span·class="p"·data-group-id=" | 1877 | <code·class="inline">0.0 < X < 1.0</code>·using·test·and·re-try·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">my_uniform</span><span·class="p"·data-group-id="9186258313-1">(</span><span·class="p"·data-group-id="9186258313-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1878 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id=" | 1878 | ····</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">uniform</span><span·class="p"·data-group-id="9186258313-2">(</span><span·class="p"·data-group-id="9186258313-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 1879 | ········</span><span·class="n">X</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="mf">0.0</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">X</span><span·class="p">;</span><span·class="w"> | 1879 | ········</span><span·class="n">X</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="mf">0.0</span><span·class="w">·</span><span·class="o"><</span><span·class="w">·</span><span·class="n">X</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">X</span><span·class="p">;</span><span·class="w"> |
| 1880 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">my_uniform</span><span·class="p"·data-group-id=" | 1880 | ········</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">my_uniform</span><span·class="p"·data-group-id="9186258313-3">(</span><span·class="p"·data-group-id="9186258313-3">)</span><span·class="w"> |
| 1881 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre></section> | 1881 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre></section> |
| 1882 | ··</section> | 1882 | ··</section> |
| 1883 | </section> | 1883 | </section> |
| 1884 | <section·class="detail"·id="uniform_s/2"> | 1884 | <section·class="detail"·id="uniform_s/2"> |
| 1885 | ··<div·class="detail-header"> | 1885 | ··<div·class="detail-header"> |
| 1886 | ····<a·href="#uniform_s/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1886 | ····<a·href="#uniform_s/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
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| 2027 | a·new·state·<a·href="#t:mwc59_state/0"><code·class="inline">CX1</code></a>,·according·to·a·Multiply·With·Carry | 2027 | a·new·state·<a·href="#t:mwc59_state/0"><code·class="inline">CX1</code></a>,·according·to·a·Multiply·With·Carry |
| 2028 | generator,·which·is·an·efficient·implementation·of | 2028 | generator,·which·is·an·efficient·implementation·of |
| 2029 | a·Multiplicative·Congruential·Generator·with·a·power·of·2·multiplier | 2029 | a·Multiplicative·Congruential·Generator·with·a·power·of·2·multiplier |
| 2030 | and·a·prime·modulus.</p><p>This·generator·uses·the·multiplier·<code·class="inline">2^32</code>·and·the·modulus | 2030 | and·a·prime·modulus.</p><p>This·generator·uses·the·multiplier·<code·class="inline">2^32</code>·and·the·modulus |
| 2031 | <code·class="inline">16#7fa6502 * 2^32 - 1</code>,·which·have·been·selected,·in·collaboration·with | 2031 | <code·class="inline">16#7fa6502 * 2^32 - 1</code>,·which·have·been·selected,·in·collaboration·with |
| 2032 | Sebastiano·Vigna,·to·avoid·bignum·operations·and·still·get | 2032 | Sebastiano·Vigna,·to·avoid·bignum·operations·and·still·get |
| 2033 | good·statistical·quality.·It·has·been·named·"MWC59"·and·can·be·written·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">C</span><span·class="err"> </span><span·class="o">=</span><span·class="err"> </span><span·class="n">CX0</span><span·class="err"> </span><span·class="ow">bsr</span><span·class="err"> </span><span·class="mi">32</span><span·class="w"> | 2033 | good·statistical·quality.·It·has·been·named·"MWC59"·and·can·be·written·as:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">C</span><span·class="err"> </span><span·class="o">=</span><span·class="err"> </span><span·class="n">CX0</span><span·class="err"> </span><span·class="ow">bsr</span><span·class="err"> </span><span·class="mi">32</span><span·class="w"> |
| 2034 | </span><span·class="n">X</span><span·class="err"> </span><span·class="o">=</span><span·class="err"> </span><span·class="n">CX0</span><span·class="err"> </span><span·class="ow">band</span><span·class="err"> </span><span·class="p"·data-group-id=" | 2034 | </span><span·class="n">X</span><span·class="err"> </span><span·class="o">=</span><span·class="err"> </span><span·class="n">CX0</span><span·class="err"> </span><span·class="ow">band</span><span·class="err"> </span><span·class="p"·data-group-id="4900905775-1">(</span><span·class="p"·data-group-id="4900905775-2">(</span><span·class="mi">1</span><span·class="err"> </span><span·class="ow">bsl</span><span·class="err"> </span><span·class="mi">32</span><span·class="p"·data-group-id="4900905775-2">)</spa[·...·truncated·by·diffoscope;·len:·92,·SHA:·a695c1c57519ee1efb35daf55eb27b3a4ca8cbebe0804e2c91c1707a7f1bb5bb·...·]-1">)</span><span·class="p">)</span><span·class="w"> |
| 2035 | </span><span·class="n">CX1</span><span·class="err"> </span><span·class="o">=</span><span·class="err"> </span><span·class="mi">16#7fa6502</span><span·class="err"> </span><span·class="o">*</span><span·class="err"> </span><span·class="n">X</span><span·class="err"> </span><span·class="o">+</span><span·class="err"> </span><span·class="n">C</span></code></pre><p>Because·the·generator·uses·a·multiplier·that·is·a·power·of·2·it·gets | 2035 | </span><span·class="n">CX1</span><span·class="err"> </span><span·class="o">=</span><span·class="err"> </span><span·class="mi">16#7fa6502</span><span·class="err"> </span><span·class="o">*</span><span·class="err"> </span><span·class="n">X</span><span·class="err"> </span><span·class="o">+</span><span·class="err"> </span><span·class="n">C</span></code></pre><p>Because·the·generator·uses·a·multiplier·that·is·a·power·of·2·it·gets |
| 2036 | statistical·flaws·for·collision·tests·and·birthday·spacings·tests | 2036 | statistical·flaws·for·collision·tests·and·birthday·spacings·tests |
| 2037 | in·2·and·3·dimensions,·and·these·caveats·apply·even·when·looking | 2037 | in·2·and·3·dimensions,·and·these·caveats·apply·even·when·looking |
| 2038 | only·at·the·MWC·"digit",·that·is·the·low·32·bits·(the·multiplier) | 2038 | only·at·the·MWC·"digit",·that·is·the·low·32·bits·(the·multiplier) |
| 2039 | of·the·generator·state.··The·higher·bits·of·the·state·are·worse.</p><p>The·quality·of·the·output·value·improves·much·by·using·a·scrambler, | 2039 | of·the·generator·state.··The·higher·bits·of·the·state·are·worse.</p><p>The·quality·of·the·output·value·improves·much·by·using·a·scrambler, |
| 2040 | instead·of·just·taking·the·low·bits. | 2040 | instead·of·just·taking·the·low·bits. |
| 2041 | Function·<a·href="#mwc59_value32/1"><code·class="inline">mwc59_value32</code></a>·is·a·fast·scrambler | 2041 | Function·<a·href="#mwc59_value32/1"><code·class="inline">mwc59_value32</code></a>·is·a·fast·scrambler |
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| 2285 | ······<p·class="built-using"> | 2285 | ······<p·class="built-using"> |
| 2286 | ········Built·using | 2286 | ········Built·using |
| 2287 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2287 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2288 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2288 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2289 | ······</p> | 2289 | ······</p> |
| 2290 | <p>Copyright·©·1996-202 | 2290 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2291 | ····</footer> | 2291 | ····</footer> |
| 2292 | ··</div> | 2292 | ··</div> |
| 2293 | </main> | 2293 | </main> |
| 2294 | </div> | 2294 | </div> |
| 2295 | <script> | 2295 | <script> |
| 2296 | ··function·mermaidLoaded()·{ | 2296 | ··function·mermaidLoaded()·{ |
| 2297 | ····mermaid.initialize({ | 2297 | ····mermaid.initialize({ |
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| 458 | ······<div·class="specs"> | 458 | ······<div·class="specs"> |
| 459 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·seed(A1,·A2,·A3)·->·undefined·|·<a·href="#t:ran/0">ran</a>()·when·A1·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·A2·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·A3·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>().</pre> | 459 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·seed(A1,·A2,·A3)·->·undefined·|·<a·href="#t:ran/0">ran</a>()·when·A1·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·A2·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>(),·A3·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:integer/0">integer</a>().</pre> |
| 460 | ······</div> | 460 | ······</div> |
| 461 | <p>Seeds·random·number·generation·with·integer·values·in·the·process·dictionary·and | 461 | <p>Seeds·random·number·generation·with·integer·values·in·the·process·dictionary·and |
| 462 | returns·the·old·state.</p><p>The·following·is·an·easy·way·of·obtaining·a·unique·value·to·seed·with:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">random</span><span·class="p">:</span><span·class="nf">seed</span><span·class="p"·data-group-id=" | 462 | returns·the·old·state.</p><p>The·following·is·an·easy·way·of·obtaining·a·unique·value·to·seed·with:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">random</span><span·class="p">:</span><span·class="nf">seed</span><span·class="p"·data-group-id="6730804413-1">(</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">phash2</span><span·class="p"·data-group-id="6730804413-2">(</span><span·class="p"·data-group-id="6730804413-3">[</span><span·class="nf">node</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·184,·SHA:·c1349ef2f7b24a5c01d84b836dc8c8bd0e74a93069d56ec3bb85f5e1b4a2eb68·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 463 | ············</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monotonic_time</span><span·class="p"·data-group-id=" | 463 | ············</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">monotonic_time</span><span·class="p"·data-group-id="6730804413-5">(</span><span·class="p"·data-group-id="6730804413-5">)</span><span·class="p">,</span><span·class="w"> |
| 464 | ············</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">unique_integer</span><span·class="p"·data-group-id=" | 464 | ············</span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nf">unique_integer</span><span·class="p"·data-group-id="6730804413-6">(</span><span·class="p"·data-group-id="6730804413-6">)</span><span·class="p"·data-group-id="6730804413-1">)</span></code></pre><p>For·details,·see·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#phash2/1"><code·class="inline">erlang:phash2/1</code></a>,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#node/0"><code·class="inline">erlang:node/0</code></a>,·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#monotonic_time/0"><code·class="inline">erlang:monotonic_time/0</code></a>, |
| 465 | and·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#unique_integer/0"><code·class="inline">erlang:unique_integer/0</code></a>.</p> | 465 | and·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#unique_integer/0"><code·class="inline">erlang:unique_integer/0</code></a>.</p> |
| 466 | ··</section> | 466 | ··</section> |
| 467 | </section> | 467 | </section> |
| 468 | <section·class="detail"·id="uniform/0"> | 468 | <section·class="detail"·id="uniform/0"> |
| 469 | ··<div·class="detail-header"> | 469 | ··<div·class="detail-header"> |
| 470 | ····<a·href="#uniform/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 470 | ····<a·href="#uniform/0"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 615, 15 lines modified | Offset 615, 15 lines modified | ||
| 615 | ······<p·class="built-using"> | 615 | ······<p·class="built-using"> |
| 616 | ········Built·using | 616 | ········Built·using |
| 617 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 617 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 618 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 618 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 619 | ······</p> | 619 | ······</p> |
| 620 | <p>Copyright·©·1996-202 | 620 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 621 | ····</footer> | 621 | ····</footer> |
| 622 | ··</div> | 622 | ··</div> |
| 623 | </main> | 623 | </main> |
| 624 | </div> | 624 | </div> |
| 625 | <script> | 625 | <script> |
| 626 | ··function·mermaidLoaded()·{ | 626 | ··function·mermaidLoaded()·{ |
| 627 | ····mermaid.initialize({ | 627 | ····mermaid.initialize({ |
| Offset 1371, 17 lines modified | Offset 1371, 17 lines modified | ||
| 1371 | been·passed,·<a·href="#run/2"><code·class="inline">run/2,3</code></a>·is·committed·to·find·a·match·at·the·current | 1371 | been·passed,·<a·href="#run/2"><code·class="inline">run/2,3</code></a>·is·committed·to·find·a·match·at·the·current |
| 1372 | starting·point,·or·not·at·all,·for·example:</p><pre><code·class="text">a+(*COMMIT)b</code></pre><p>This·matches·"xxaab"·but·not·"aacaab".·It·can·be·thought·of·as·a·kind·of·dynamic | 1372 | starting·point,·or·not·at·all,·for·example:</p><pre><code·class="text">a+(*COMMIT)b</code></pre><p>This·matches·"xxaab"·but·not·"aacaab".·It·can·be·thought·of·as·a·kind·of·dynamic |
| 1373 | anchor,·or·"I've·started,·so·I·must·finish".·The·name·of·the·most·recently | 1373 | anchor,·or·"I've·started,·so·I·must·finish".·The·name·of·the·most·recently |
| 1374 | passed·(<em>MARK)·in·the·path·is·passed·back·when·(</em>COMMIT)·forces·a·match·failure.</p><p>If·more·than·one·backtracking·verb·exists·in·a·pattern,·a·different·one·that | 1374 | passed·(<em>MARK)·in·the·path·is·passed·back·when·(</em>COMMIT)·forces·a·match·failure.</p><p>If·more·than·one·backtracking·verb·exists·in·a·pattern,·a·different·one·that |
| 1375 | follows·(<em>COMMIT)·can·be·triggered·first,·so·merely·passing·(</em>COMMIT)·during·a | 1375 | follows·(<em>COMMIT)·can·be·triggered·first,·so·merely·passing·(</em>COMMIT)·during·a |
| 1376 | match·does·not·always·guarantee·that·a·match·must·be·at·this·starting·point.</p><p>Notice·that·(*COMMIT)·at·the·start·of·a·pattern·is·not·the·same·as·an·anchor, | 1376 | match·does·not·always·guarantee·that·a·match·must·be·at·this·starting·point.</p><p>Notice·that·(*COMMIT)·at·the·start·of·a·pattern·is·not·the·same·as·an·anchor, |
| 1377 | unless·the·PCRE·start-of-match·optimizations·are·turned·off,·as·shown·in·the | 1377 | unless·the·PCRE·start-of-match·optimizations·are·turned·off,·as·shown·in·the |
| 1378 | following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="1321076753-1">(</span><span·class="s">"xyzabc"</span><span·class="p">,</span><span·class="s">"(*COMMIT)abc"</span><span·class="p">,</span><span·class="p"·data-group-id="1321076753-2">[</span><span·class="p"·data-group-id="1321076753-3">{</span><span·class="ss">capture</span><span·class="p">,</span><span·class="ss">all</span><span·class="p">,</span><span·class="ss">list</span><span·class="p"·data-group-id="1321076753-3">}</span><span·class="p"·data-group-id="1321076753-2">]</span><span·class="p"·data-group-id="1321076753-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 1379 | </span><span·class="p"·data-group-id="1321076753-4">{</span><span·class="ss">match</span><span·class="p">,</span><span·class="p"·data-group-id="1321076753-5">[</span><span·class="s">"abc"</span><span·class="p"·data-group-id="1321076753-5">]</span><span·class="p"·data-group-id="1321076753-4">}</span><span·class="gp·unselectable"> | ||
| 1380 | 1378 | following·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="4035551525-1">(</span><span·class="[·...·truncated·by·diffoscope;·len:·512,·SHA:·6aeaace009eeec852845c41d440a5f623bd5f6efdad1369c35612f73a408e44f·...·]">)</span><span·class="p">.</span><span·class="w"> | |
| 1379 | </span><span·class="p"·data-group-id="4035551525-4">{</span><span·class="ss">match</span><span·class="p">,</span><span·class="p"·data-group-id="4035551525-5">[</span><span·class="s">"abc"</span><span·class="p"·data-group-id="4035551525-5">]</span><span·class="p"·data-group-id="4035551525-4">}</span><span·class="gp·unselectable"> | ||
| 1380 | 2>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="4035551525-6">(</span><span·class="s">"xyzabc"</span><span·class="p">,</span><span·class="s">"(*COMMIT)abc"</span><span·class="p">,</span><span·class="p"·data-group-id="4035551525-7">[</span><span·class="p"·data-group-id="4035551525-8">{</span><span·class="ss">capture</span><span·class="p">,</span><span·class="ss">all</span><span·class="p">,</span><span·class="ss">list</span><span·class="p"·data-group-id="4035551525-8">}</span><span·class="p">,</span><span·class="ss">no_start_optimize</span><span·class="p"·data-group-id="4035551525-7">]</span><span·class="p"·data-group-id="4035551525-6">)</span><span·class="p">.</span><span·class="w"> | ||
| 1381 | </span><span·class="ss">nomatch</span></code></pre><p>For·this·pattern,·PCRE·knows·that·any·match·must·start·with·"a",·so·the | 1381 | </span><span·class="ss">nomatch</span></code></pre><p>For·this·pattern,·PCRE·knows·that·any·match·must·start·with·"a",·so·the |
| 1382 | optimization·skips·along·the·subject·to·"a"·before·applying·the·pattern·to·the | 1382 | optimization·skips·along·the·subject·to·"a"·before·applying·the·pattern·to·the |
| 1383 | first·set·of·data.·The·match·attempt·then·succeeds.·In·the·second·call·the | 1383 | first·set·of·data.·The·match·attempt·then·succeeds.·In·the·second·call·the |
| 1384 | <code·class="inline">no_start_optimize</code>·disables·the·optimization·that·skips·along·to·the·first | 1384 | <code·class="inline">no_start_optimize</code>·disables·the·optimization·that·skips·along·to·the·first |
| 1385 | character.·The·pattern·is·now·applied·starting·at·"x",·and·so·the·(*COMMIT) | 1385 | character.·The·pattern·is·now·applied·starting·at·"x",·and·so·the·(*COMMIT) |
| 1386 | causes·the·match·to·fail·without·trying·any·other·starting·points.</p><p>The·following·verb·causes·the·match·to·fail·at·the·current·starting·position·in | 1386 | causes·the·match·to·fail·without·trying·any·other·starting·points.</p><p>The·following·verb·causes·the·match·to·fail·at·the·current·starting·position·in |
| 1387 | the·subject·if·there·is·a·later·matching·failure·that·causes·backtracking·to | 1387 | the·subject·if·there·is·a·later·matching·failure·that·causes·backtracking·to |
| Offset 2084, 40 lines modified | Offset 2084, 40 lines modified | ||
| 2084 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·inspect(MP,·Item)·->·{namelist,·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()]}·when·MP·::·<a·href="#t:mp/0">mp</a>(),·Item·::·namelist.</pre> | 2084 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·inspect(MP,·Item)·->·{namelist,·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:binary/0">binary</a>()]}·when·MP·::·<a·href="#t:mp/0">mp</a>(),·Item·::·namelist.</pre> |
| 2085 | ······</div> | 2085 | ······</div> |
| 2086 | <p>Takes·a·compiled·regular·expression·and·an·item,·and·returns·the·relevant·data | 2086 | <p>Takes·a·compiled·regular·expression·and·an·item,·and·returns·the·relevant·data |
| 2087 | from·the·regular·expression.</p><p>The·only·supported·item·is·<code·class="inline">namelist</code>,·which·returns·the·tuple·<code·class="inline">{namelist,·[binary()]}</code>, | 2087 | from·the·regular·expression.</p><p>The·only·supported·item·is·<code·class="inline">namelist</code>,·which·returns·the·tuple·<code·class="inline">{namelist,·[binary()]}</code>, |
| 2088 | containing·the·names·of·all·(unique)·named·subpatterns·in·the·regular·expression.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id=" | 2088 | containing·the·names·of·all·(unique)·named·subpatterns·in·the·regular·expression.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id="7572735063-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">MP</span><span·class="p"·data-group-id="7572735063-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">re</span><span·cl[·...·truncated·by·diffoscope;·len:·217,·SHA:·52d559040df93868b2b6e9dfd32d291e862821f871ad2f17acd85218d372f0ae·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 2089 | </span><span·class="p"·data-group-id=" | 2089 | </span><span·class="p"·data-group-id="7572735063-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="7572735063-4">{</span><span·class="ss">re_pattern</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 2090 | ················</span><span·class="p"·data-group-id=" | 2090 | ················</span><span·class="p"·data-group-id="7572735063-5"><<</span><span·class="mi">69</span><span·class="p">,</span><span·class="mi">82</span><span·class="p">,</span><span·class="mi">67</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="mi">119</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="w"> |
| 2091 | ··················</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 2091 | ··················</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="7572735063-5">>></span><span·class="p"·data-group-id="7572735063-4">}</span><span·class="p"·data-group-id="7572735063-3">}</span><span·class="gp·unselectable"> |
| 2092 | 2>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">inspect</span><span·class="p"·data-group-id=" | 2092 | 2>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">inspect</span><span·class="p"·data-group-id="7572735063-6">(</span><span·class="n">MP</span><span·class="p">,</span><span·class="ss">namelist</span><span·class="p"·data-group-id="7572735063-6">)</span><span·class="p">.</span><span·class="w"> |
| 2093 | </span><span·class="p"·data-group-id=" | 2093 | </span><span·class="p"·data-group-id="7572735063-7">{</span><span·class="ss">namelist</span><span·class="p">,</span><span·class="p"·data-group-id="7572735063-8">[</span><span·class="p"·data-group-id="7572735063-9"><<</span><span·class="s">"A"</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·489,·SHA:·e537bb93ed8402e7a6e9f578df08b777425ec2d6dc31772580c8bd96b77f1728·...·]-7">}</span><span·class="gp·unselectable"> |
| 2094 | 3>·</span><span·class="p"·data-group-id=" | 2094 | 3>·</span><span·class="p"·data-group-id="7572735063-12">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">MPD</span><span·class="p"·data-group-id="7572735063-12">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">re</span><span[·...·truncated·by·diffoscope;·len:·385,·SHA:·f7a135944a87619908185b8796349953732f9d9486694d79fab753888bcf918b·...·]-13">)</span><span·class="p">.</span><span·class="w"> |
| 2095 | </span><span·class="p"·data-group-id=" | 2095 | </span><span·class="p"·data-group-id="7572735063-15">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="7572735063-16">{</span><span·class="ss">re_pattern</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 2096 | ················</span><span·class="p"·data-group-id=" | 2096 | ················</span><span·class="p"·data-group-id="7572735063-17"><<</span><span·class="mi">69</span><span·class="p">,</span><span·class="mi">82</span><span·class="p">,</span><span·class="mi">67</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="mi">119</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">8</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="w"> |
| 2097 | ··················</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 2097 | ··················</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="7572735063-17">>></span><span·class="p"·data-group-id="7572735063-16">}</span><span·class="p"·data-group-id="7572735063-15">}</span><span·class="gp·unselectable"> |
| 2098 | 4>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">inspect</span><span·class="p"·data-group-id=" | 2098 | 4>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">inspect</span><span·class="p"·data-group-id="7572735063-18">(</span><span·class="n">MPD</span><span·class="p">,</span><span·class="ss">namelist</span><span·class="p"·data-group-id="7572735063-18">)</span><span·class="p">.</span><span·class="w"> |
| 2099 | </span><span·class="p"·data-group-id=" | 2099 | </span><span·class="p"·data-group-id="7572735063-19">{</span><span·class="ss">namelist</span><span·class="p">,</span><span·class="p"·data-group-id="7572735063-20">[</span><span·class="p"·data-group-id="7572735063-21"><<</span><span·class="s">"B"</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·312,·SHA:·421d2f36808c739e11751464b587810cb3f53f6bb73ddee9a3846264e0590c4c·...·]-19">}</span></code></pre><p>Notice·in·the·second·example·that·the·duplicate·name·only·occurs·once·in·the |
| 2100 | returned·list,·and·that·the·list·is·in·alphabetical·order·regardless·of·where | 2100 | returned·list,·and·that·the·list·is·in·alphabetical·order·regardless·of·where |
| 2101 | the·names·are·positioned·in·the·regular·expression.·The·order·of·the·names·is | 2101 | the·names·are·positioned·in·the·regular·expression.·The·order·of·the·names·is |
| 2102 | the·same·as·the·order·of·captured·subexpressions·if·<code·class="inline">{capture,·all_names}</code>·is | 2102 | the·same·as·the·order·of·captured·subexpressions·if·<code·class="inline">{capture,·all_names}</code>·is |
| 2103 | specified·as·an·option·to·<a·href="#run/3"><code·class="inline">run/3</code></a>.·You·can·therefore·create·a·name-to-value | 2103 | specified·as·an·option·to·<a·href="#run/3"><code·class="inline">run/3</code></a>.·You·can·therefore·create·a·name-to-value |
| 2104 | mapping·from·the·result·of·<a·href="#run/3"><code·class="inline">run/3</code></a>·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id=" | 2104 | mapping·from·the·result·of·<a·href="#run/3"><code·class="inline">run/3</code></a>·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id="7372632259-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">MP</span><span·class="p"·data-group-id="7372632259-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">re</span><span·cl[·...·truncated·by·diffoscope;·len:·217,·SHA:·8e9daa5debd38e45253e002792f79042f3e188e5264f0b0ebd49bc6ec54df9c8·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 2105 | </span><span·class="p"·data-group-id=" | 2105 | </span><span·class="p"·data-group-id="7372632259-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="7372632259-4">{</span><span·class="ss">re_pattern</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 2106 | ················</span><span·class="p"·data-group-id=" | 2106 | ················</span><span·class="p"·data-group-id="7372632259-5"><<</span><span·class="mi">69</span><span·class="p">,</span><span·class="mi">82</span><span·class="p">,</span><span·class="mi">67</span><span·class="p">,</span><span·class="mi">80</span><span·class="p">,</span><span·class="mi">119</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="w"> |
| 2107 | ··················</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 2107 | ··················</span><span·class="mi">255</span><span·class="p">,</span><span·class="mi">255</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="7372632259-5">>></span><span·class="p"·data-group-id="7372632259-4">}</span><span·class="p"·data-group-id="7372632259-3">}</span><span·class="gp·unselectable"> |
| 2108 | 2>·</span><span·class="p"·data-group-id=" | 2108 | 2>·</span><span·class="p"·data-group-id="7372632259-6">{</span><span·class="ss">namelist</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p"·data-group-id="7372632259-6">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·251,·SHA:·9b1a6eb8eefec6fe8b26ba62fb3499d4d3dd4437d6fd8aca41bdc5cf840249f8·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 2109 | </span><span·class="p"·data-group-id="4301645937-8">{</span><span·class="ss">namelist</span><span·class="p">,</span><span·class="p"·data-group-id="4301645937-9">[</span><span·class="p"·data-group-id="4301645937-10"><<</span><span·class="s">"A"</span><span·class="p"·data-group-id="4301645937-10">>></span><span·class="p">,</span><span·class="p"·data-group-id="4301645937-11"><<</span><span·class="s">"B"</span><span·class="p"·data-group-id="4301645937-11">>></span><span·class="p">,</span><span·class="p"·data-group-id="4301645937-12"><<</span><span·class="s">"C"</span><span·class="p"·data-group-id="4301645937-12">>></span><span·class="p"·data-group-id="4301645937-9">]</span><span·class="p"·data-group-id="4301645937-8">}</span><span·class="gp·unselectable"> | ||
| 2110 | 3>·</span><span·class="p"·data-group-id="4301645937-13">{</span><span·class="ss">match</span><span·class="p">,</span><span·class="n">L</span><span·class="p"·data-group-id="4301645937-13">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="4301645937-14">(</span><span·class="s">"AA"</span><span·class="p">,</span><span·class="n">MP</span><span·class="p">,</span><span·class="p"·data-group-id="4301645937-15">[</span><span·class="p"·data-group-id="4301645937-16">{</span><span·class="ss">capture</span><span·class="p">,</span><span·class="ss">all_names</span><span·class="p">,</span><span·class="ss">binary</span><span·class="p"·data-group-id="4301645937-16">}</span><span·class="p"·data-group-id="4301645937-15">]</span><span·class="p"·data-group-id="4301645937-14">)</span><span·class="p">.</span><span·class="w"> | ||
| 2111 | </span><span·class="p"·data-group-id=" | 2109 | </span><span·class="p"·data-group-id="7372632259-8">{</span><span·class="ss">namelist</span><span·class="p">,</span><span·class="p"·data-group-id="7372632259-9">[</span><span·class="p"·data-group-id="7372632259-10"><<</span><span·class="s">"A"</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·493,·SHA:·3828a821ced97a7cf7607f75692c62d36921ee91d1186222121ce1a1087a1e96·...·]">}</span><span·class="gp·unselectable"> |
| 2110 | 3>·</span><span·class="p"·data-group-id="7372632259-13">{</span><span·class="ss">match</span><span·class="p">,</span><span·class="n">L</span><span·class="p"·data-group-id="7372632259-13">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="7372632259-14">(</span><span·class="s">"AA"</span><span·class="p">,</span><span·class="n">MP</span><span·class="p">,</span><span·class="p"·data-group-id="7372632259-15">[</span><span·class="p"·data-group-id="7372632259-16">{</span><span·class="ss">capture</span><span·class="p">,</span><span·class="ss">all_names</span><span·class="p">,</span><span·class="ss">binary</span><span·class="p"·data-group-id="7372632259-16">}</span><span·class="p"·data-group-id="7372632259-15">]</span><span·class="p"·data-group-id="7372632259-14">)</span><span·class="p">.</span><span·class="w"> | ||
| 2111 | </span><span·class="p"·data-group-id="7372632259-17">{</span><span·class="ss">match</span><span·class="p">,</span><span·class="p"·data-group-id="7372632259-18">[</span><span·class="p"·data-group-id="7372632259-19"><<</span><span·class="s">"A"</span><span·class="p"·data-group-id="7372632259-19">>></span><span·class="p">,</span><span·class="p"·data-group-id="7372632259-20"><<</span><span·class="p"·data-group-id="7372632259-20">>></span><span·class="p">,</span><span·class="p"·data-group-id="7372632259-21"><<</span><span·class="p"·data-group-id="7372632259-21">>></span><span·class="p"·data-group-id="7372632259-18">]</span><span·class="p"·data-group-id="7372632259-17">}</span><span·class="gp·unselectable"> | ||
| 2112 | 4>·</span><span·class="n">NameMap</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">zip</span><span·class="p"·data-group-id=" | 2112 | 4>·</span><span·class="n">NameMap</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">zip</span><span·class="p"·data-group-id="7372632259-22">(</span><span·class="n">N</span><span·class="p">,</span><span·class="n">L</span><span·class="p"·data-group-id="7372632259-22">)</span><span·class="p">.</span><span·class="w"> |
| 2113 | </span><span·class="p"·data-group-id=" | 2113 | </span><span·class="p"·data-group-id="7372632259-23">[</span><span·class="p"·data-group-id="7372632259-24">{</span><span·class="p"·data-group-id="7372632259-25"><<</span><span·class="s">"A"</span><span·class="p"·data-group-id="7372632259-25">>></span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·1128,·SHA:·2cc8d8d98afdd12883c5d5c577b6638aa9324574cd1aefe5aa19e7d4c54eda85·...·]-23">]</span></code></pre> |
| 2114 | ··</section> | 2114 | ··</section> |
| 2115 | </section> | 2115 | </section> |
| 2116 | <section·class="detail"·id="replace/3"> | 2116 | <section·class="detail"·id="replace/3"> |
| 2117 | ··<div·class="detail-header"> | 2117 | ··<div·class="detail-header"> |
| 2118 | ····<a·href="#replace/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 2118 | ····<a·href="#replace/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 2119 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 2119 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 2198, 24 lines modified | Offset 2198, 24 lines modified | ||
| 2198 | both·the·regular·expression·and·<code·class="inline">Subject</code>·are·to·specified·as·valid·Unicode | 2198 | both·the·regular·expression·and·<code·class="inline">Subject</code>·are·to·specified·as·valid·Unicode |
| 2199 | <code·class="inline">charlist()</code>s.</p><p>If·the·replacement·is·given·as·a·string,·it·can·contain·the·special·character | 2199 | <code·class="inline">charlist()</code>s.</p><p>If·the·replacement·is·given·as·a·string,·it·can·contain·the·special·character |
| 2200 | <code·class="inline">&</code>,·which·inserts·the·whole·matching·expression·in·the·result,·and·the·special | 2200 | <code·class="inline">&</code>,·which·inserts·the·whole·matching·expression·in·the·result,·and·the·special |
| 2201 | sequence·<code·class="inline">\</code>N·(where·N·is·an·integer·>·0),·<code·class="inline">\g</code>N,·or·<code·class="inline">\g{</code>N<code·class="inline">}</code>,·resulting·in·the | 2201 | sequence·<code·class="inline">\</code>N·(where·N·is·an·integer·>·0),·<code·class="inline">\g</code>N,·or·<code·class="inline">\g{</code>N<code·class="inline">}</code>,·resulting·in·the |
| 2202 | subexpression·number·N,·is·inserted·in·the·result.·If·no·subexpression·with·that | 2202 | subexpression·number·N,·is·inserted·in·the·result.·If·no·subexpression·with·that |
| 2203 | number·is·generated·by·the·regular·expression,·nothing·is·inserted.</p><p>To·insert·an·&·or·a·\·in·the·result,·precede·it·with·a·\.·Notice·that·Erlang | 2203 | number·is·generated·by·the·regular·expression,·nothing·is·inserted.</p><p>To·insert·an·&·or·a·\·in·the·result,·precede·it·with·a·\.·Notice·that·Erlang |
| 2204 | already·gives·a·special·meaning·to·\·in·literal·strings,·so·a·single·\·must·be | 2204 | already·gives·a·special·meaning·to·\·in·literal·strings,·so·a·single·\·must·be |
| 2205 | written·as·<code·class="inline">"\\"</code>·and·therefore·a·double·\·as·<code·class="inline">"\\\\"</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">replace</span><span·class="p"·data-group-id=" | 2205 | written·as·<code·class="inline">"\\"</code>·and·therefore·a·double·\·as·<code·class="inline">"\\\\"</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">replace</span><span·class="p"·data-group-id="4501619223-1">(</span><span·class="s">"abcd"</span><span·class="p">,</span><span·class="s">"c"</span><span·class="p">,</span><span·class="s">"[&]"</span><span·class="p">,</span><span·class="p"·data-group-id="4501619223-2">[·...·truncated·by·diffoscope;·len:·289,·SHA:·660a061d20aaa5b792da4710081b4107bceb3268029ab33b40f0a2ebe6985d38·...·]3-1">)</span><span·class="p">.</span><span·class="w"> |
| 2206 | </span><span·class="s">"ab[c]d"</span></code></pre><p>while</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">replace</span><span·class="p"·data-group-id=" | 2206 | </span><span·class="s">"ab[c]d"</span></code></pre><p>while</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">replace</span><span·class="p"·data-group-id="3143824771-1">(</span><span·class="s">"abcd"</span><span·class="p">,</span><span·class="s">"c"</span><span·class="p">,</span><span·class="s">"[\\&]"</span><span·class="p">,</span><span·class="p"·data-group-id="3143824771-2[·...·truncated·by·diffoscope;·len:·292,·SHA:·7901c45e6cb6d8b2f9ab7a92c77db77c3844363ca4917de99240b265a476c5e3·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 2207 | </span><span·class="s">"ab[&]d"</span></code></pre><p>If·the·replacement·is·given·as·a·fun,·it·will·be·called·with·the·whole·matching | 2207 | </span><span·class="s">"ab[&]d"</span></code></pre><p>If·the·replacement·is·given·as·a·fun,·it·will·be·called·with·the·whole·matching |
| 2208 | expression·as·the·first·argument·and·a·list·of·subexpression·matches·in·the | 2208 | expression·as·the·first·argument·and·a·list·of·subexpression·matches·in·the |
| 2209 | order·in·which·they·appear·in·the·regular·expression.·The·returned·value·will·be | 2209 | order·in·which·they·appear·in·the·regular·expression.·The·returned·value·will·be |
| 2210 | inserted·in·the·result.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">replace</span><span·class="p"·data-group-id=" | 2210 | inserted·in·the·result.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">replace</span><span·class="p"·data-group-id="8429399994-1">(</span><span·class="s">"abcd"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">".(.)"</span><span·class="p">,</span><span·class="w"> |
| 2211 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 2211 | ····</span><span·class="nf">fun</span><span·class="p"·data-group-id="8429399994-2">(</span><span·class="n">Whole</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8429399994-3">[</span><span·class="p"·data-group-id="8429399994-4"><<</span><span·class="n">C</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·133,·SHA:·339176f4aa16b9d7d4758bf58ac4a6b0dd16fdf896b49cc1ab11abd8354b46f1·...·]-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 2212 | ·········</span><span·class="p"·data-group-id=" | 2212 | ·········</span><span·class="p"·data-group-id="8429399994-5"><<</span><span·class="sc">$#</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Whole</span><span·class="o">/</span><span·class="ss">binary</span><span·class="p">,</span><span·class="w">·</span><span·class="sc">$-</sp[·...·truncated·by·diffoscope;·len:·492,·SHA:·7793a242714f87796cf0b71a0b013e56db740b5596d0d8183632154699aed054·...·]-5">>></span><span·class="w"> |
| 2213 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 2213 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 2214 | ····</span><span·class="p"·data-group-id=" | 2214 | ····</span><span·class="p"·data-group-id="8429399994-7">[</span><span·class="p"·data-group-id="8429399994-8">{</span><span·class="ss">return</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">list</span><span·class="p"·data-group-id="8429399994-8">}</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·72,·SHA:·3418030637683b16b70356b6a15aa47588d42671ce727e68d8ca18587a31049e·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 2215 | </span><span·class="s">"#ab-B#cd"</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Non-matching·optional·subexpressions·will·not·be·included·in·the·list·of | 2215 | </span><span·class="s">"#ab-B#cd"</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Non-matching·optional·subexpressions·will·not·be·included·in·the·list·of |
| 2216 | subexpression·matches·if·they·are·the·last·subexpressions·in·the·regular | 2216 | subexpression·matches·if·they·are·the·last·subexpressions·in·the·regular |
| 2217 | expression.</p><p><em>Example:</em></p><p>The·regular·expression·<code·class="inline">"(a)(b)?(c)?"</code>·("a",·optionally·followed·by·"b", | 2217 | expression.</p><p><em>Example:</em></p><p>The·regular·expression·<code·class="inline">"(a)(b)?(c)?"</code>·("a",·optionally·followed·by·"b", |
| 2218 | optionally·followed·by·"c")·will·create·the·following·subexpression·lists:</p><ul><li><code·class="inline">[<<"a">>,·<<"b">>,·<<"c">>]</code>·when·applied·to·the·string·<code·class="inline">"abc"</code></li><li><code·class="inline">[<<"a">>,·<<>>,·<<"c">>]</code>·when·applied·to·the·string·<code·class="inline">"acx"</code></li><li><code·class="inline">[<<"a">>,·<<"b">>]</code>·when·applied·to·the·string·<code·class="inline">"abx"</code></li><li><code·class="inline">[<<"a">>]</code>·when·applied·to·the·string·<code·class="inline">"axx"</code></li></ul></section><p>As·with·<a·href="#run/3"><code·class="inline">run/3</code></a>,·compilation·errors·raise·the·<code·class="inline">badarg</code>·exception. | 2218 | optionally·followed·by·"c")·will·create·the·following·subexpression·lists:</p><ul><li><code·class="inline">[<<"a">>,·<<"b">>,·<<"c">>]</code>·when·applied·to·the·string·<code·class="inline">"abc"</code></li><li><code·class="inline">[<<"a">>,·<<>>,·<<"c">>]</code>·when·applied·to·the·string·<code·class="inline">"acx"</code></li><li><code·class="inline">[<<"a">>,·<<"b">>]</code>·when·applied·to·the·string·<code·class="inline">"abx"</code></li><li><code·class="inline">[<<"a">>]</code>·when·applied·to·the·string·<code·class="inline">"axx"</code></li></ul></section><p>As·with·<a·href="#run/3"><code·class="inline">run/3</code></a>,·compilation·errors·raise·the·<code·class="inline">badarg</code>·exception. |
| 2219 | <a·href="#compile/2"><code·class="inline">compile/2</code></a>·can·be·used·to·get·more·information·about·the·error.</p> | 2219 | <a·href="#compile/2"><code·class="inline">compile/2</code></a>·can·be·used·to·get·more·information·about·the·error.</p> |
| 2220 | ··</section> | 2220 | ··</section> |
| 2221 | </section> | 2221 | </section> |
| Offset 2320, 27 lines modified | Offset 2320, 27 lines modified | ||
| 2320 | any·matching·subexpressions·(or·as·specified·by·option·<code·class="inline">capture</code>.·The | 2320 | any·matching·subexpressions·(or·as·specified·by·option·<code·class="inline">capture</code>.·The |
| 2321 | <code·class="inline">Captured</code>·part·of·the·return·value·is·hence·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:list/0"><code·class="inline">list/0</code></a>·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:list/0"><code·class="inline">list/0</code></a>s·when | 2321 | <code·class="inline">Captured</code>·part·of·the·return·value·is·hence·a·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:list/0"><code·class="inline">list/0</code></a>·of·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:list/0"><code·class="inline">list/0</code></a>s·when |
| 2322 | this·option·is·specified.</p><p>The·interaction·of·option·<code·class="inline">global</code>·with·a·regular·expression·that·matches·an | 2322 | this·option·is·specified.</p><p>The·interaction·of·option·<code·class="inline">global</code>·with·a·regular·expression·that·matches·an |
| 2323 | empty·string·surprises·some·users.·When·option·<code·class="inline">global</code>·is·specified, | 2323 | empty·string·surprises·some·users.·When·option·<code·class="inline">global</code>·is·specified, |
| 2324 | <a·href="#run/3"><code·class="inline">run/3</code></a>·handles·empty·matches·in·the·same·way·as·Perl:·a | 2324 | <a·href="#run/3"><code·class="inline">run/3</code></a>·handles·empty·matches·in·the·same·way·as·Perl:·a |
| 2325 | zero-length·match·at·any·point·is·also·retried·with·options | 2325 | zero-length·match·at·any·point·is·also·retried·with·options |
| 2326 | <code·class="inline">[anchored,·notempty_atstart]</code>.·If·that·search·gives·a·result·of·length·>·0, | 2326 | <code·class="inline">[anchored,·notempty_atstart]</code>.·If·that·search·gives·a·result·of·length·>·0, |
| 2327 | the·result·is·included.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="5 | 2327 | the·result·is·included.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="5254137627-1">(</span><span·class="s">"cat"</span><span·class="p">,</span><span·class="s">"(|at)"</span><span·class="p">,</span><span·class="p"·data-group-id="5254137627-2">[</span><span·class="ss">global</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·68,·SHA:·ce739c0ce717b804379f6facaba9f342f83c016dbd05a68ec731167e10b34db2·...·]-1">)</span><span·class="p">.</span></code></pre><p>The·following·matchings·are·performed:</p><ul><li><p><strong>At·offset·<code·class="inline">0</code></strong>·-·The·regular·expression·<code·class="inline">(|at)</code>·first·match·at·the |
| 2328 | initial·position·of·string·<code·class="inline">cat</code>,·giving·the·result·set·<code·class="inline">[{0,0},{0,0}]</code>·(the | 2328 | initial·position·of·string·<code·class="inline">cat</code>,·giving·the·result·set·<code·class="inline">[{0,0},{0,0}]</code>·(the |
| 2329 | second·<code·class="inline">{0,0}</code>·is·because·of·the·subexpression·marked·by·the·parentheses). | 2329 | second·<code·class="inline">{0,0}</code>·is·because·of·the·subexpression·marked·by·the·parentheses). |
| 2330 | As·the·length·of·the·match·is·0,·we·do·not·advance·to·the·next·position·yet.</p></li><li><p><strong>At·offset·<code·class="inline">0</code>·with·<code·class="inline">[anchored,·notempty_atstart]</code></strong>·-·The·search·is | 2330 | As·the·length·of·the·match·is·0,·we·do·not·advance·to·the·next·position·yet.</p></li><li><p><strong>At·offset·<code·class="inline">0</code>·with·<code·class="inline">[anchored,·notempty_atstart]</code></strong>·-·The·search·is |
| 2331 | retried·with·options·<code·class="inline">[anchored,·notempty_atstart]</code>·at·the·same·position, | 2331 | retried·with·options·<code·class="inline">[anchored,·notempty_atstart]</code>·at·the·same·position, |
| 2332 | which·does·not·give·any·interesting·result·of·longer·length,·so·the·search | 2332 | which·does·not·give·any·interesting·result·of·longer·length,·so·the·search |
| 2333 | position·is·advanced·to·the·next·character·(<code·class="inline">a</code>).</p></li><li><p><strong>At·offset·<code·class="inline">1</code></strong>·-·The·search·results·in·<code·class="inline">[{1,0},{1,0}]</code>,·so·this·search·is | 2333 | position·is·advanced·to·the·next·character·(<code·class="inline">a</code>).</p></li><li><p><strong>At·offset·<code·class="inline">1</code></strong>·-·The·search·results·in·<code·class="inline">[{1,0},{1,0}]</code>,·so·this·search·is |
| 2334 | also·repeated·with·the·extra·options.</p></li><li><p><strong>At·offset·<code·class="inline">1</code>·with·<code·class="inline">[anchored,·notempty_atstart]</code></strong>·-·Alternative·<code·class="inline">ab</code>·is | 2334 | also·repeated·with·the·extra·options.</p></li><li><p><strong>At·offset·<code·class="inline">1</code>·with·<code·class="inline">[anchored,·notempty_atstart]</code></strong>·-·Alternative·<code·class="inline">ab</code>·is |
| 2335 | found·and·the·result·is·[{1,2},{1,2}].·The·result·is·added·to·the·list | 2335 | found·and·the·result·is·[{1,2},{1,2}].·The·result·is·added·to·the·list |
| 2336 | of·results·and·the·position·in·the·search·string·is·advanced·two·steps.</p></li><li><p><strong>At·offset·<code·class="inline">3</code></strong>·-·The·search·once·again·matches·the·empty·string,·giving | 2336 | of·results·and·the·position·in·the·search·string·is·advanced·two·steps.</p></li><li><p><strong>At·offset·<code·class="inline">3</code></strong>·-·The·search·once·again·matches·the·empty·string,·giving |
| 2337 | <code·class="inline">[{3,0},{3,0}]</code>.</p></li><li><p><strong>At·offset·<code·class="inline">1</code>·with·<code·class="inline">[anchored,·notempty_atstart]</code></strong>·-·This·gives·no·result | 2337 | <code·class="inline">[{3,0},{3,0}]</code>.</p></li><li><p><strong>At·offset·<code·class="inline">1</code>·with·<code·class="inline">[anchored,·notempty_atstart]</code></strong>·-·This·gives·no·result |
| 2338 | of·length·>·0·and·we·are·at·the·last·position,·so·the·global·search·is | 2338 | of·length·>·0·and·we·are·at·the·last·position,·so·the·global·search·is |
| 2339 | complete.</p></li></ul><p>The·result·of·the·call·is:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 2339 | complete.</p></li></ul><p>The·result·of·the·call·is:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6525892359-1">{</span><span·class="ss">match</span><span·class="p">,</span><span·class="p"·data-group-id="6525892359-2">[</span><span·class="p"·data-group-id="6525892359-3">[</span><span·class="p"·data-group-id="6525892359-4">{</span><span·class="mi">0</sp[·...·truncated·by·diffoscope;·len:·2008,·SHA:·467e2c2126971b90766264a3bb4f9b828e7d56af4ec17dcfa8adbfee59f88aa5·...·]-1">}</span></code></pre></li><li><p><strong><code·class="inline">notempty</code></strong>·-·An·empty·string·is·not·considered·to·be·a·valid·match·if·this |
| 2340 | option·is·specified.·If·alternatives·in·the·pattern·exist,·they·are·tried.·If | 2340 | option·is·specified.·If·alternatives·in·the·pattern·exist,·they·are·tried.·If |
| 2341 | all·the·alternatives·match·the·empty·string,·the·entire·match·fails.</p><p><em>Example:</em></p><p>If·the·following·pattern·is·applied·to·a·string·not·beginning·with·"a"·or·"b", | 2341 | all·the·alternatives·match·the·empty·string,·the·entire·match·fails.</p><p><em>Example:</em></p><p>If·the·following·pattern·is·applied·to·a·string·not·beginning·with·"a"·or·"b", |
| 2342 | it·would·normally·match·the·empty·string·at·the·start·of·the·subject:</p><pre><code·class="text">a?b?</code></pre><p>With·option·<code·class="inline">notempty</code>,·this·match·is·invalid,·so·<a·href="#run/3"><code·class="inline">run/3</code></a>·searches | 2342 | it·would·normally·match·the·empty·string·at·the·start·of·the·subject:</p><pre><code·class="text">a?b?</code></pre><p>With·option·<code·class="inline">notempty</code>,·this·match·is·invalid,·so·<a·href="#run/3"><code·class="inline">run/3</code></a>·searches |
| 2343 | further·into·the·string·for·occurrences·of·"a"·or·"b".</p></li><li><p><strong><code·class="inline">notempty_atstart</code></strong>·-·Like·<code·class="inline">notempty</code>,·except·that·an·empty·string·match | 2343 | further·into·the·string·for·occurrences·of·"a"·or·"b".</p></li><li><p><strong><code·class="inline">notempty_atstart</code></strong>·-·Like·<code·class="inline">notempty</code>,·except·that·an·empty·string·match |
| 2344 | that·is·not·at·the·start·of·the·subject·is·permitted.·If·the·pattern·is | 2344 | that·is·not·at·the·start·of·the·subject·is·permitted.·If·the·pattern·is |
| 2345 | anchored,·such·a·match·can·occur·only·if·the·pattern·contains·\K.</p><p>Perl·has·no·direct·equivalent·of·<code·class="inline">notempty</code>·or·<code·class="inline">notempty_atstart</code>,·but·it·does | 2345 | anchored,·such·a·match·can·occur·only·if·the·pattern·contains·\K.</p><p>Perl·has·no·direct·equivalent·of·<code·class="inline">notempty</code>·or·<code·class="inline">notempty_atstart</code>,·but·it·does |
| 2346 | make·a·special·case·of·a·pattern·match·of·the·empty·string·within·its·split() | 2346 | make·a·special·case·of·a·pattern·match·of·the·empty·string·within·its·split() |
| Offset 2403, 20 lines modified | Offset 2403, 20 lines modified | ||
| 2403 | than·the·total·number·of·calls,·because·not·all·calls·to·match()·are | 2403 | than·the·total·number·of·calls,·because·not·all·calls·to·match()·are |
| 2404 | recursive.·This·limit·is·of·use·only·if·it·is·set·smaller·than | 2404 | recursive.·This·limit·is·of·use·only·if·it·is·set·smaller·than |
| 2405 | match_limit.</p><p>Limiting·the·recursion·depth·limits·the·amount·of·machine·stack·that | 2405 | match_limit.</p><p>Limiting·the·recursion·depth·limits·the·amount·of·machine·stack·that |
| 2406 | can·be·used,·or,·when·PCRE·has·been·compiled·to·use·memory·on·the·heap | 2406 | can·be·used,·or,·when·PCRE·has·been·compiled·to·use·memory·on·the·heap |
| 2407 | instead·of·the·stack,·the·amount·of·heap·memory·that·can·be·used.</p></blockquote><p>The·Erlang·VM·uses·a·PCRE·library·where·heap·memory·is·used·when·regular | 2407 | instead·of·the·stack,·the·amount·of·heap·memory·that·can·be·used.</p></blockquote><p>The·Erlang·VM·uses·a·PCRE·library·where·heap·memory·is·used·when·regular |
| 2408 | expression·match·recursion·occurs.·This·therefore·limits·the·use·of·machine | 2408 | expression·match·recursion·occurs.·This·therefore·limits·the·use·of·machine |
| 2409 | heap,·not·C·stack.</p><p>Specifying·a·lower·value·can·result·in·matches·with·deep·recursion·failing, | 2409 | heap,·not·C·stack.</p><p>Specifying·a·lower·value·can·result·in·matches·with·deep·recursion·failing, |
| 2410 | when·they·should·have·matched:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id=" | 2410 | when·they·should·have·matched:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="6301668551-1">(</span><span·class="s">"aaaaaaaaaaaaaz"</span><span·class="p">,</span><span·class="s">"(a+)*z"</span><span·class="p"·data-group-id="6301668551-1">)</span><span·class="p">.</span><span·class="w"> |
| 2411 | </span><span·class="p"·data-group-id=" | 2411 | </span><span·class="p"·data-group-id="6301668551-2">{</span><span·class="ss">match</span><span·class="p">,</span><span·class="p"·data-group-id="6301668551-3">[</span><span·class="p"·data-group-id="6301668551-4">{</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">14</span>[·...·truncated·by·diffoscope;·len:·352,·SHA:·50caae20741d3f5275e010afca18908c6f8995627fde1f99bfd253b96a0e5963·...·]-2">}</span><span·class="gp·unselectable"> |
| 2412 | 2>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id=" | 2412 | 2>·</span><span·class="nc">re</span><span·class="p">:</span><span·class="nf">run</span><span·class="p"·data-group-id="6301668551-6">(</span><span·class="s">"aaaaaaaaaaaaaz"</span><span·class="p">,</span><span·class="s">"(a+)*z"</span><span·class="p">,</span><span·class="p"·data-group-id="6301668551-7">[</span><span·class="p"·data-group-id="6301668551-8[·...·truncated·by·diffoscope;·len:·251,·SHA:·4190ad1069f7fe3caecd97eda943e05c7e83ef63cb4f4db224ef65bfbb93161b·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 2413 | </span><span·class="ss">nomatch</span><span·class="gp·unselectable"> | 2413 | </span><span·class="ss">nomatch</span><span·class="gp·unselectable"> |
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| Offset 141, 15 lines modified | Offset 141, 15 lines modified | ||
| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 152 | <p>The·following·functions·in·this·module·also·exist·and·provide·the·same | 152 | <p>The·following·functions·in·this·module·also·exist·and·provide·the·same |
| 153 | functionality·in·the·<a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>·and·<a·href="ordsets.html"><code·class="inline">ordsets</code></a>·modules.·That·is,·by·only | 153 | functionality·in·the·<a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>·and·<a·href="ordsets.html"><code·class="inline">ordsets</code></a>·modules.·That·is,·by·only |
| 154 | changing·the·module·name·for·each·call,·you·can·try·out·different·set | 154 | changing·the·module·name·for·each·call,·you·can·try·out·different·set |
| 155 | representations.</p><ul><li><a·href="#add_element/2"><code·class="inline">add_element/2</code></a></li><li><a·href="#del_element/2"><code·class="inline">del_element/2</code></a></li><li><a·href="#filter/2"><code·class="inline">filter/2</code></a></li><li><a·href="#filtermap/2"><code·class="inline">filtermap/2</code></a></li><li><a·href="#fold/3"><code·class="inline">fold/3</code></a></li><li><a·href="#from_list/1"><code·class="inline">from_list/1</code></a></li><li><a·href="#intersection/1"><code·class="inline">intersection/1</code></a></li><li><a·href="#intersection/2"><code·class="inline">intersection/2</code></a></li><li><a·href="#is_element/2"><code·class="inline">is_element/2</code></a></li><li><a·href="#is_empty/1"><code·class="inline">is_empty/1</code></a></li><li><a·href="#is_equal/2"><code·class="inline">is_equal/2</code></a></li><li><a·href="#is_set/1"><code·class="inline">is_set/1</code></a></li><li><a·href="#is_subset/2"><code·class="inline">is_subset/2</code></a></li><li><a·href="#map/2"><code·class="inline">map/2</code></a></li><li><a·href="#new/0"><code·class="inline">new/0</code></a></li><li><a·href="#size/1"><code·class="inline">size/1</code></a></li><li><a·href="#subtract/2"><code·class="inline">subtract/2</code></a></li><li><a·href="#to_list/1"><code·class="inline">to_list/1</code></a></li><li><a·href="#union/1"><code·class="inline">union/1</code></a></li><li><a·href="#union/2"><code·class="inline">union/2</code></a></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>While·the·three·set·implementations·offer·the·same·<em>functionality</em>·with | 155 | representations.</p><ul><li><a·href="#add_element/2"><code·class="inline">add_element/2</code></a></li><li><a·href="#del_element/2"><code·class="inline">del_element/2</code></a></li><li><a·href="#filter/2"><code·class="inline">filter/2</code></a></li><li><a·href="#filtermap/2"><code·class="inline">filtermap/2</code></a></li><li><a·href="#fold/3"><code·class="inline">fold/3</code></a></li><li><a·href="#from_list/1"><code·class="inline">from_list/1</code></a></li><li><a·href="#intersection/1"><code·class="inline">intersection/1</code></a></li><li><a·href="#intersection/2"><code·class="inline">intersection/2</code></a></li><li><a·href="#is_element/2"><code·class="inline">is_element/2</code></a></li><li><a·href="#is_empty/1"><code·class="inline">is_empty/1</code></a></li><li><a·href="#is_equal/2"><code·class="inline">is_equal/2</code></a></li><li><a·href="#is_set/1"><code·class="inline">is_set/1</code></a></li><li><a·href="#is_subset/2"><code·class="inline">is_subset/2</code></a></li><li><a·href="#map/2"><code·class="inline">map/2</code></a></li><li><a·href="#new/0"><code·class="inline">new/0</code></a></li><li><a·href="#size/1"><code·class="inline">size/1</code></a></li><li><a·href="#subtract/2"><code·class="inline">subtract/2</code></a></li><li><a·href="#to_list/1"><code·class="inline">to_list/1</code></a></li><li><a·href="#union/1"><code·class="inline">union/1</code></a></li><li><a·href="#union/2"><code·class="inline">union/2</code></a></li></ul><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>While·the·three·set·implementations·offer·the·same·<em>functionality</em>·with |
| 156 | respect·to·the·aforementioned·functions,·their·overall·<em>behavior</em>·may·differ. | 156 | respect·to·the·aforementioned·functions,·their·overall·<em>behavior</em>·may·differ. |
| 157 | As·mentioned,·this·module·considers·elements·as·different·if·and·only·if·they | 157 | As·mentioned,·this·module·considers·elements·as·different·if·and·only·if·they |
| 158 | do·not·match·(<code·class="inline">=:=</code>),·while·both·<a·href="ordsets.html"><code·class="inline">ordsets</code></a>·and·<a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>·consider·elements | 158 | do·not·match·(<code·class="inline">=:=</code>),·while·both·<a·href="ordsets.html"><code·class="inline">ordsets</code></a>·and·<a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>·consider·elements |
| 159 | as·different·if·and·only·if·they·do·not·compare·equal·(<code·class="inline">==</code>).</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">sets</span><span·class="p">:</span><span·class="nf">is_element</span><span·class="p"·data-group-id=" | 159 | as·different·if·and·only·if·they·do·not·compare·equal·(<code·class="inline">==</code>).</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">sets</span><span·class="p">:</span><span·class="nf">is_element</span><span·class="p"·data-group-id="9049762443-1">(</span><span·class="mf">1.0</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">sets</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="9049762443-2">(</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·204,·SHA:·8396854c0aafb13e968e7708b9c3a0da253aefbd803b156bd4fdc11d65b07753·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 160 | </span><span·class="ss">false</span><span·class="gp·unselectable"> | 160 | </span><span·class="ss">false</span><span·class="gp·unselectable"> |
| 161 | 2>·</span><span·class="nc">ordsets</span><span·class="p">:</span><span·class="nf">is_element</span><span·class="p"·data-group-id=" | 161 | 2>·</span><span·class="nc">ordsets</span><span·class="p">:</span><span·class="nf">is_element</span><span·class="p"·data-group-id="9049762443-4">(</span><span·class="mf">1.0</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">ordsets</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="9049762443-5">(</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·207,·SHA:·918c0d1d2433c00bc7ceaa0186b41f1e1ef619bae27c65d7cca2a5c91779f8b2·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 162 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 163 | 2>·</span><span·class="nc">gb_sets</span><span·class="p">:</span><span·class="nf">is_element</span><span·class="p"·data-group-id=" | 163 | 2>·</span><span·class="nc">gb_sets</span><span·class="p">:</span><span·class="nf">is_element</span><span·class="p"·data-group-id="9049762443-7">(</span><span·class="mf">1.0</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">gb_sets</span><span·class="p">:</span><span·class="nf">from_list</span><span·class="p"·data-group-id="9049762443-8">(</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·207,·SHA:·d4c1927bb0b54efd7537275d8cd576870f510edf1bca3ea1702beb6df4338dc7·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 164 | </span><span·class="ss">true</span></code></pre></section><h2·id="module-see-also"·class="section-heading"> | 164 | </span><span·class="ss">true</span></code></pre></section><h2·id="module-see-also"·class="section-heading"> |
| 165 | ··<a·href="#module-see-also"·class="hover-link"> | 165 | ··<a·href="#module-see-also"·class="hover-link"> |
| 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 167 | ··</a> | 167 | ··</a> |
| 168 | ··<span·class="text">See·Also</span> | 168 | ··<span·class="text">See·Also</span> |
| 169 | </h2> | 169 | </h2> |
| 170 | <p><a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>,·<a·href="ordsets.html"><code·class="inline">ordsets</code></a></p> | 170 | <p><a·href="gb_sets.html"><code·class="inline">gb_sets</code></a>,·<a·href="ordsets.html"><code·class="inline">ordsets</code></a></p> |
| Offset 1172, 15 lines modified | Offset 1172, 15 lines modified | ||
| 1172 | ······<p·class="built-using"> | 1172 | ······<p·class="built-using"> |
| 1173 | ········Built·using | 1173 | ········Built·using |
| 1174 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1174 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1175 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1175 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1176 | ······</p> | 1176 | ······</p> |
| 1177 | <p>Copyright·©·1996-202 | 1177 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1178 | ····</footer> | 1178 | ····</footer> |
| 1179 | ··</div> | 1179 | ··</div> |
| 1180 | </main> | 1180 | </main> |
| 1181 | </div> | 1181 | </div> |
| 1182 | <script> | 1182 | <script> |
| 1183 | ··function·mermaidLoaded()·{ | 1183 | ··function·mermaidLoaded()·{ |
| 1184 | ····mermaid.initialize({ | 1184 | ····mermaid.initialize({ |
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| 162 | used·by·the·compiler·are·unavailable·at·runtime.·So,·to·read·the·record·syntax | 162 | used·by·the·compiler·are·unavailable·at·runtime.·So,·to·read·the·record·syntax |
| 163 | and·print·tuples·as·records·when·possible,·record·definitions·must·be·maintained | 163 | and·print·tuples·as·records·when·possible,·record·definitions·must·be·maintained |
| 164 | by·the·shell·itself.</p><p>The·shell·commands·for·reading,·defining,·forgetting,·listing,·and·printing | 164 | by·the·shell·itself.</p><p>The·shell·commands·for·reading,·defining,·forgetting,·listing,·and·printing |
| 165 | records·are·described·below.·Notice·that·each·job·has·its·own·set·of·record | 165 | records·are·described·below.·Notice·that·each·job·has·its·own·set·of·record |
| 166 | definitions.·To·facilitate·matters,·record·definitions·in·modules | 166 | definitions.·To·facilitate·matters,·record·definitions·in·modules |
| 167 | <code·class="inline">shell_default</code>·and·<code·class="inline">user_default</code>·(if·loaded)·are·read·each·time·a·new·job·is | 167 | <code·class="inline">shell_default</code>·and·<code·class="inline">user_default</code>·(if·loaded)·are·read·each·time·a·new·job·is |
| 168 | started.·For·example,·adding·the·following·line·to·<code·class="inline">user_default</code>·makes·the | 168 | started.·For·example,·adding·the·following·line·to·<code·class="inline">user_default</code>·makes·the |
| 169 | definition·of·<code·class="inline">file_info</code>·readily·available·in·the·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 169 | definition·of·<code·class="inline">file_info</code>·readily·available·in·the·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="5453618374-1">(</span><span·class="s">"kernel/include/file.hrl"</span><span·class="p"·data-group-id="5453618374-1">)</span><span·class="p">.</span></code></pre><p>The·shell·runs·in·two·modes:</p><ul><li><code·class="inline">Normal·(possibly·restricted)</code>·mode,·in·which·commands·can·be·edited·and |
| 170 | expressions·evaluated</li><li>Job·Control·Mode,·<code·class="inline">JCL</code>,·in·which·jobs·can·be·started,·killed,·detached,·and | 170 | expressions·evaluated</li><li>Job·Control·Mode,·<code·class="inline">JCL</code>,·in·which·jobs·can·be·started,·killed,·detached,·and |
| 171 | connected</li></ul><p>Only·the·currently·connected·job·can·'talk'·to·the·shell.</p><h2·id="module-shell-commands"·class="section-heading"> | 171 | connected</li></ul><p>Only·the·currently·connected·job·can·'talk'·to·the·shell.</p><h2·id="module-shell-commands"·class="section-heading"> |
| 172 | ··<a·href="#module-shell-commands"·class="hover-link"> | 172 | ··<a·href="#module-shell-commands"·class="hover-link"> |
| 173 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 173 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 174 | ··</a> | 174 | ··</a> |
| 175 | ··<span·class="text">Shell·Commands</span> | 175 | ··<span·class="text">Shell·Commands</span> |
| 176 | </h2> | 176 | </h2> |
| Offset 230, 114 lines modified | Offset 230, 114 lines modified | ||
| 230 | ··<a·href="#module-example"·class="hover-link"> | 230 | ··<a·href="#module-example"·class="hover-link"> |
| 231 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 231 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 232 | ··</a> | 232 | ··</a> |
| 233 | ··<span·class="text">Example</span> | 233 | ··<span·class="text">Example</span> |
| 234 | </h2> | 234 | </h2> |
| 235 | <p>The·following·example·is·a·long·dialog·with·the·shell.·Commands·starting·with | 235 | <p>The·following·example·is·a·long·dialog·with·the·shell.·Commands·starting·with |
| 236 | <code·class="inline">></code>·are·inputs·to·the·shell.·All·other·lines·are·output·from·the·shell.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">strider</span><span·class="w">·</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="ss">erl</span><span·class="w"> | 236 | <code·class="inline">></code>·are·inputs·to·the·shell.·All·other·lines·are·output·from·the·shell.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="ss">strider</span><span·class="w">·</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="ss">erl</span><span·class="w"> |
| 237 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="p"·data-group-id=" | 237 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="p"·data-group-id="7961971452-1">(</span><span·class="n">BEAM</span><span·class="p"·data-group-id="7961971452-1">)</span><span·class="w">·</span><span·class="ss">emulator</span><span·class="w">·</span><span·class="ss">version</span><span·class="w">·</span><span·class="mf">5.[·...·truncated·by·diffoscope;·len:·364,·SHA:·1a0d4d7976ae9499971d0190a9913105963c86e23aa3e5ed5f3630633679669b·...·]-3">]</span><span·class="w"> |
| 238 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id=" | 238 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id="7961971452-4">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="7961971452-4">)</span><span·class="gp·unselectable"> |
| 239 | 1>·</span><span·class="n">Str</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"abcd"</span><span·class="p">.</span><span·class="w"> | 239 | 1>·</span><span·class="n">Str</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"abcd"</span><span·class="p">.</span><span·class="w"> |
| 240 | </span><span·class="s">"abcd"</span></code></pre><p>Command·1·sets·variable·<code·class="inline">Str</code>·to·string·<code·class="inline">"abcd"</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="n">L</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">length</span><span·class="p"·data-group-id=" | 240 | </span><span·class="s">"abcd"</span></code></pre><p>Command·1·sets·variable·<code·class="inline">Str</code>·to·string·<code·class="inline">"abcd"</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="n">L</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">length</span><span·class="p"·data-group-id="9032149516-1">(</span><span·class="n">Str</span><span·class="p"·data-group-id="9032149516-1">)</span><span·class="p">.</span><span·class="w"> |
| 241 | </span><span·class="mi">4</span></code></pre><p>Command·2·sets·<code·class="inline">L</code>·to·the·length·of·string·<code·class="inline">Str</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="n">Descriptor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4869911796-1">{</span><span·class="n">L</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">list_to_atom</span><span·class="p"·data-group-id="4869911796-2">(</span><span·class="n">Str</span><span·class="p"·data-group-id="4869911796-2">)</span><span·class="p"·data-group-id="4869911796-1">}</span><span·class="p">.</span><span·class="w"> | ||
| 242 | </span><span·class=" | 241 | </span><span·class="mi">4</span></code></pre><p>Command·2·sets·<code·class="inline">L</code>·to·the·length·of·string·<code·class="inline">Str</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="n">Descriptor</span[·...·truncated·by·diffoscope;·len:·459,·SHA:·b0690e3198e89a2edc74f528572034e4e3c3b5cd460c5b7c1e0b01c52d48982d·...·] |
| 242 | </span><span·class="p"·data-group-id="2927472550-3">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">abcd</span><span·class="p"·data-group-id="2927472550-3">}</span></code></pre><p>Command·3·builds·the·tuple·<code·class="inline">Descriptor</code>,·evaluating·the·BIF | ||
| 243 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#list_to_atom/1"><code·class="inline">list_to_atom/1</code>·</a>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="n">L</span><span·class="p">.</span><span·class="w"> | 243 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#list_to_atom/1"><code·class="inline">list_to_atom/1</code>·</a>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="n">L</span><span·class="p">.</span><span·class="w"> |
| 244 | </span><span·class="mi">4</span></code></pre><p>Command·4·prints·the·value·of·variable·<code·class="inline">L</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nf">b</span><span·class="p"·data-group-id=" | 244 | </span><span·class="mi">4</span></code></pre><p>Command·4·prints·the·value·of·variable·<code·class="inline">L</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nf">b</span><span·class="p"·data-group-id="6642649373-1">(</span><span·class="p"·data-group-id="6642649373-1">)</span><span·class="p">.</span><span·class="w"> |
| 245 | </span><span·class="n">Descriptor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 245 | </span><span·class="n">Descriptor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6642649373-2">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">abcd</span><span·class="p"·data-group-id="6642649373-2">}</span><span·class="w"> |
| 246 | </span><span·class="n">L</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">4</span><span·class="w"> | 246 | </span><span·class="n">L</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">4</span><span·class="w"> |
| 247 | </span><span·class="n">Str</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"abcd"</span><span·class="w"> | 247 | </span><span·class="n">Str</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"abcd"</span><span·class="w"> |
| 248 | </span><span·class="ss">ok</span></code></pre><p>Command·5·evaluates·the·internal·shell·command·<code·class="inline">b()</code>,·which·is·an·abbreviation | 248 | </span><span·class="ss">ok</span></code></pre><p>Command·5·evaluates·the·internal·shell·command·<code·class="inline">b()</code>,·which·is·an·abbreviation |
| 249 | of·"bindings".·This·prints·the·current·shell·variables·and·their·bindings.·<code·class="inline">ok</code> | 249 | of·"bindings".·This·prints·the·current·shell·variables·and·their·bindings.·<code·class="inline">ok</code> |
| 250 | at·the·end·is·the·return·value·of·function·<code·class="inline">b()</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="nf">f</span><span·class="p"·data-group-id=" | 250 | at·the·end·is·the·return·value·of·function·<code·class="inline">b()</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="nf">f</span><span·class="p"·data-group-id="3184541127-1">(</span><span·class="n">L</span><span·class="p"·data-group-id="3184541127-1">)</span><span·class="p">.</span><span·class="w"> |
| 251 | </span><span·class="ss">ok</span></code></pre><p>Command·6·evaluates·the·internal·shell·command·<code·class="inline">f(L)</code>·(abbreviation·of | 251 | </span><span·class="ss">ok</span></code></pre><p>Command·6·evaluates·the·internal·shell·command·<code·class="inline">f(L)</code>·(abbreviation·of |
| 252 | "forget").·The·value·of·variable·<code·class="inline">L</code>·is·removed.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">7>·</span><span·class="nf">b</span><span·class="p"·data-group-id=" | 252 | "forget").·The·value·of·variable·<code·class="inline">L</code>·is·removed.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">7>·</span><span·class="nf">b</span><span·class="p"·data-group-id="2471392731-1">(</span><span·class="p"·data-group-id="2471392731-1">)</span><span·class="p">.</span><span·class="w"> |
| 253 | </span><span·class="n">Descriptor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 253 | </span><span·class="n">Descriptor</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="2471392731-2">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">abcd</span><span·class="p"·data-group-id="2471392731-2">}</span><span·class="w"> |
| 254 | </span><span·class="n">Str</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"abcd"</span><span·class="w"> | 254 | </span><span·class="n">Str</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"abcd"</span><span·class="w"> |
| 255 | </span><span·class="ss">ok</span></code></pre><p>Command·7·prints·the·new·bindings.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">8>·</span><span·class="nf">f</span><span·class="p"·data-group-id=" | 255 | </span><span·class="ss">ok</span></code></pre><p>Command·7·prints·the·new·bindings.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">8>·</span><span·class="nf">f</span><span·class="p"·data-group-id="7028437223-1">(</span><span·class="n">L</span><span·class="p"·data-group-id="7028437223-1">)</span><span·class="p">.</span><span·class="w"> |
| 256 | </span><span·class="ss">ok</span></code></pre><p>Command·8·has·no·effect,·as·<code·class="inline">L</code>·has·no·value.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">9>·</span><span·class="p"·data-group-id=" | 256 | </span><span·class="ss">ok</span></code></pre><p>Command·8·has·no·effect,·as·<code·class="inline">L</code>·has·no·value.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">9>·</span><span·class="p"·data-group-id="4593599476-1">{</span><span·class="n">L</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p"·data-group-id="4593599476-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Descriptor</span><span·class="p">.</span><span·class="w"> |
| 257 | </span><span·class="p"·data-group-id=" | 257 | </span><span·class="p"·data-group-id="4593599476-2">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">abcd</span><span·class="p"·data-group-id="4593599476-2">}</span></code></pre><p>Command·9·performs·a·pattern·matching·operation·on·<code·class="inline">Descriptor</code>,·binding·a·new |
| 258 | value·to·<code·class="inline">L</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">10>·</span><span·class="n">L</span><span·class="p">.</span><span·class="w"> | 258 | value·to·<code·class="inline">L</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">10>·</span><span·class="n">L</span><span·class="p">.</span><span·class="w"> |
| 259 | </span><span·class="mi">4</span></code></pre><p>Command·10·prints·the·current·value·of·<code·class="inline">L</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">11>·</span><span·class="p"·data-group-id=" | 259 | </span><span·class="mi">4</span></code></pre><p>Command·10·prints·the·current·value·of·<code·class="inline">L</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">11>·</span><span·class="p"·data-group-id="0728677241-1">{</span><span·class="n">P</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Q</span><span·class="p">,</span><span·class="w">·</span><span·class="n">R</span><span·class="p"·data-group-id="0728677241-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Descriptor</span><span·class="p">.</span><span·class="w"> |
| 260 | </span><span·class="gt">**·exception·error:·no·match·of·right·hand·side·value·{4,abcd}</span></code></pre><p>Command·11·tries·to·match·<code·class="inline">{P,·Q,·R}</code>·against·<code·class="inline">Descriptor</code>,·which·is·<code·class="inline">{4,·abc}</code>. | 260 | </span><span·class="gt">**·exception·error:·no·match·of·right·hand·side·value·{4,abcd}</span></code></pre><p>Command·11·tries·to·match·<code·class="inline">{P,·Q,·R}</code>·against·<code·class="inline">Descriptor</code>,·which·is·<code·class="inline">{4,·abc}</code>. |
| 261 | The·match·fails·and·none·of·the·new·variables·become·bound.·The·printout | 261 | The·match·fails·and·none·of·the·new·variables·become·bound.·The·printout |
| 262 | starting·with·"<code·class="inline">**·exception·error:</code>"·is·not·the·value·of·the·expression·(the | 262 | starting·with·"<code·class="inline">**·exception·error:</code>"·is·not·the·value·of·the·expression·(the |
| 263 | expression·had·no·value·because·its·evaluation·failed),·but·a·warning·printed·by | 263 | expression·had·no·value·because·its·evaluation·failed),·but·a·warning·printed·by |
| 264 | the·system·to·inform·the·user·that·an·error·has·occurred.·The·values·of·the | 264 | the·system·to·inform·the·user·that·an·error·has·occurred.·The·values·of·the |
| 265 | other·variables·(<code·class="inline">L</code>,·<code·class="inline">Str</code>,·and·so·on)·are·unchanged.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">12>·</span><span·class="n">P</span><span·class="p">.</span><span·class="w"> | 265 | other·variables·(<code·class="inline">L</code>,·<code·class="inline">Str</code>,·and·so·on)·are·unchanged.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">12>·</span><span·class="n">P</span><span·class="p">.</span><span·class="w"> |
| 266 | </span><span·class="gt">*·1:1:·variable·'P'·is·unbound</span><span·class="gp·unselectable"> | 266 | </span><span·class="gt">*·1:1:·variable·'P'·is·unbound</span><span·class="gp·unselectable"> |
| 267 | 13>·</span><span·class="n">Descriptor</span><span·class="p">.</span><span·class="w"> | 267 | 13>·</span><span·class="n">Descriptor</span><span·class="p">.</span><span·class="w"> |
| 268 | </span><span·class="p"·data-group-id=" | 268 | </span><span·class="p"·data-group-id="7846529161-1">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">abcd</span><span·class="p"·data-group-id="7846529161-1">}</span></code></pre><p>Commands·12·and·13·show·that·<code·class="inline">P</code>·is·unbound·because·the·previous·command·failed, |
| 269 | and·that·<code·class="inline">Descriptor</code>·has·not·changed.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="mi">14</span><span·class="o">></span><span·class="p"·data-group-id=" | 269 | and·that·<code·class="inline">Descriptor</code>·has·not·changed.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="mi">14</span><span·class="o">></span><span·class="p"·data-group-id="7162399934-1">{</span><span·class="n">P</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Q</span><span·class="p"·data-group-id="7162399934-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Descriptor</span><span·class="p">.</span><span·class="w"> |
| 270 | </span><span·class="p"·data-group-id=" | 270 | </span><span·class="p"·data-group-id="7162399934-2">{</span><span·class="mi">4</span><span·class="p">,</span><span·class="ss">abcd</span><span·class="p"·data-group-id="7162399934-2">}</span><span·class="gp·unselectable"> |
| 271 | 15>·</span><span·class="n">P</span><span·class="p">.</span><span·class="w"> | 271 | 15>·</span><span·class="n">P</span><span·class="p">.</span><span·class="w"> |
| 272 | </span><span·class="mi">4</span></code></pre><p>Commands·14·and·15·show·a·correct·match·where·<code·class="inline">P</code>·and·<code·class="inline">Q</code>·are·bound.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">16>·</span><span·class="nf">f</span><span·class="p"·data-group-id=" | 272 | </span><span·class="mi">4</span></code></pre><p>Commands·14·and·15·show·a·correct·match·where·<code·class="inline">P</code>·and·<code·class="inline">Q</code>·are·bound.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">16>·</span><span·class="nf">f</span><span·class="p"·data-group-id="2786943971-1">(</span><span·class="p"·data-group-id="2786943971-1">)</span><span·class="p">.</span><span·class="w"> |
| 273 | </span><span·class="ss">ok</span></code></pre><p>Command·16·clears·all·bindings.</p><p>The·next·few·commands·assume·that·<code·class="inline">test1:demo(X)</code>·is·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">demo</span><span·class="p"·data-group-id=" | 273 | </span><span·class="ss">ok</span></code></pre><p>Command·16·clears·all·bindings.</p><p>The·next·few·commands·assume·that·<code·class="inline">test1:demo(X)</code>·is·defined·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">demo</span><span·class="p"·data-group-id="2652854070-1">(</span><span·class="n">X</span><span·class="p"·data-group-id="2652854070-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 274 | </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="nf">put</span><span·class="p"·data-group-id=" | 274 | </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="nf">put</span><span·class="p"·data-group-id="2652854070-2">(</span><span·class="ss">aa</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">worked</span><span·class="p"·data-group-id="2652854070-2">)</span><span·class="p">,</span><span·class="w"> |
| 275 | </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="n">X</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 275 | </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="n">X</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 276 | </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="n">X</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">10</span><span·class="p">.</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">17>·</span><span·class="nf">put</span><span·class="p"·data-group-id=" | 276 | </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="err"> </span><span·class="n">X</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">10</span><span·class="p">.</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">17>·</span><span·class="nf">put</span><span·class="p"·data-group-id="8772229385-1">(</span><span·class="ss">aa</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">hello</span><span·class="p"·data-group-id="8772229385-1">)</span><span·class="p">.</span><span·class="w"> |
| 277 | </span><span·class="ss">undefined</span><span·class="gp·unselectable"> | 277 | </span><span·class="ss">undefined</span><span·class="gp·unselectable"> |
| 278 | 18>·</span><span·class="nf">get</span><span·class="p"·data-group-id=" | 278 | 18>·</span><span·class="nf">get</span><span·class="p"·data-group-id="8772229385-2">(</span><span·class="ss">aa</span><span·class="p"·data-group-id="8772229385-2">)</span><span·class="p">.</span><span·class="w"> |
| 279 | </span><span·class="ss">hello</span></code></pre><p>Commands·17·and·18·set·and·inspect·the·value·of·item·<code·class="inline">aa</code>·in·the·process | 279 | </span><span·class="ss">hello</span></code></pre><p>Commands·17·and·18·set·and·inspect·the·value·of·item·<code·class="inline">aa</code>·in·the·process |
| 280 | dictionary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">19>·</span><span·class="n">Y</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">test1</span><span·class="p">:</span><span·class="nf">demo</span><span·class="p"·data-group-id=" | 280 | dictionary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">19>·</span><span·class="n">Y</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">test1</span><span·class="p">:</span><span·class="nf">demo</span><span·class="p"·data-group-id="2135847396-1">(</span><span·class="mi">1</span><span·class="p"·data-group-id="2135847396-1">)</span><span·class="p">.</span><span·class="w"> |
| 281 | </span><span·class="mi">11</span></code></pre><p>Command·19·evaluates·<code·class="inline">test1:demo(1)</code>.·The·evaluation·succeeds·and·the·changes | 281 | </span><span·class="mi">11</span></code></pre><p>Command·19·evaluates·<code·class="inline">test1:demo(1)</code>.·The·evaluation·succeeds·and·the·changes |
| 282 | made·in·the·process·dictionary·become·visible·to·the·shell.·The·new·value·of | 282 | made·in·the·process·dictionary·become·visible·to·the·shell.·The·new·value·of |
| 283 | dictionary·item·<code·class="inline">aa</code>·can·be·seen·in·command·20.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">20>·</span><span·class="nf">get</span><span·class="p"·data-group-id=" | 283 | dictionary·item·<code·class="inline">aa</code>·can·be·seen·in·command·20.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">20>·</span><span·class="nf">get</span><span·class="p"·data-group-id="0043708073-1">(</span><span·class="p"·data-group-id="0043708073-1">)</span><span·class="p">.</span><span·class="w"> |
| 284 | </span><span·class="p"·data-group-id=" | 284 | </span><span·class="p"·data-group-id="0043708073-2">[</span><span·class="p"·data-group-id="0043708073-3">{</span><span·class="ss">aa</span><span·class="p">,</span><span·class="ss">worked</span><span·class="p"·data-group-id="0043708073-3">}</span><span·class="p"·data-group-id="0043708073-2">]</span><span·class="gp·unselectable"> |
| 285 | 21>·</span><span·class="nf">put</span><span·class="p"·data-group-id=" | 285 | 21>·</span><span·class="nf">put</span><span·class="p"·data-group-id="0043708073-4">(</span><span·class="ss">aa</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">hello</span><span·class="p"·data-group-id="0043708073-4">)</span><span·class="p">.</span><span·class="w"> |
| 286 | </span><span·class="ss">worked</span><span·class="gp·unselectable"> | 286 | </span><span·class="ss">worked</span><span·class="gp·unselectable"> |
| 287 | 22>·</span><span·class="n">Z</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">test1</span><span·class="p">:</span><span·class="nf">demo</span><span·class="p"·data-group-id=" | 287 | 22>·</span><span·class="n">Z</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">test1</span><span·class="p">:</span><span·class="nf">demo</span><span·class="p"·data-group-id="0043708073-5">(</span><span·class="mi">2</span><span·class="p"·data-group-id="0043708073-5">)</span><span·class="p">.</span><span·class="w"> |
| 288 | </span><span·class="gt">**·exception·error:·no·match·of·right·hand·side·value·1 | 288 | </span><span·class="gt">**·exception·error:·no·match·of·right·hand·side·value·1 |
| 289 | ·····in·function··test1:demo/1</span></code></pre><p>Commands·21·and·22·change·the·value·of·dictionary·item·<code·class="inline">aa</code>·to·<code·class="inline">hello</code>·and·call | 289 | ·····in·function··test1:demo/1</span></code></pre><p>Commands·21·and·22·change·the·value·of·dictionary·item·<code·class="inline">aa</code>·to·<code·class="inline">hello</code>·and·call |
| 290 | <code·class="inline">test1:demo(2)</code>.·Evaluation·fails·and·the·changes·made·to·the·dictionary·in | 290 | <code·class="inline">test1:demo(2)</code>.·Evaluation·fails·and·the·changes·made·to·the·dictionary·in |
| 291 | <code·class="inline">test1:demo(2)</code>,·before·the·error·occurred,·are·discarded.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">23>·</span><span·class="n">Z</span><span·class="p">.</span><span·class="w"> | 291 | <code·class="inline">test1:demo(2)</code>,·before·the·error·occurred,·are·discarded.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">23>·</span><span·class="n">Z</span><span·class="p">.</span><span·class="w"> |
| 292 | </span><span·class="gt">*·1:1:·variable·'Z'·is·unbound</span><span·class="gp·unselectable"> | 292 | </span><span·class="gt">*·1:1:·variable·'Z'·is·unbound</span><span·class="gp·unselectable"> |
| 293 | 24>·</span><span·class="nf">get</span><span·class="p"·data-group-id=" | 293 | 24>·</span><span·class="nf">get</span><span·class="p"·data-group-id="9243436260-1">(</span><span·class="ss">aa</span><span·class="p"·data-group-id="9243436260-1">)</span><span·class="p">.</span><span·class="w"> |
| 294 | </span><span·class="ss">hello</span></code></pre><p>Commands·23·and·24·show·that·<code·class="inline">Z</code>·was·not·bound·and·that·dictionary·item·<code·class="inline">aa</code>·has | 294 | </span><span·class="ss">hello</span></code></pre><p>Commands·23·and·24·show·that·<code·class="inline">Z</code>·was·not·bound·and·that·dictionary·item·<code·class="inline">aa</code>·has |
| 295 | retained·its·original·value.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">25>·</span><span·class="nf">erase</span><span·class="p"·data-group-id="9 | 295 | retained·its·original·value.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">25>·</span><span·class="nf">erase</span><span·class="p"·data-group-id="9963595690-1">(</span><span·class="p"·data-group-id="9963595690-1">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">put</span><span·class="p"·data-group-id="9963595690-2">(</span><span·class="ss">aa</span><span·class="p">,</span><spa[·...·truncated·by·diffoscope;·len:·90,·SHA:·ea4f29405c61e001fb6a16d5e1b6c03a8e5f077ec8fc23b1daf66b9c13bcf350·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 296 | </span><span·class="ss">undefined</span><span·class="gp·unselectable"> | 296 | </span><span·class="ss">undefined</span><span·class="gp·unselectable"> |
| 297 | 26>·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="9 | 297 | 26>·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="9963595690-3">(</span><span·class="ss">test1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">demo</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9963595690-4">[</span><span·class="mi">1</span><spa[·...·truncated·by·diffoscope;·len:·90,·SHA:·cc98204d69cbeeeed3c04b953f91152045bec6eb37a742aeb09a179ecb1955c8·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 298 | </span><span·class="o"><</span><span·class="mf">0.57</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> | 298 | </span><span·class="o"><</span><span·class="mf">0.57</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> |
| 299 | 27>·</span><span·class="nf">get</span><span·class="p"·data-group-id="9 | 299 | 27>·</span><span·class="nf">get</span><span·class="p"·data-group-id="9963595690-5">(</span><span·class="ss">aa</span><span·class="p"·data-group-id="9963595690-5">)</span><span·class="p">.</span><span·class="w"> |
| 300 | </span><span·class="ss">hello</span></code></pre><p>Commands·25,·26,·and·27·show·the·effect·of·evaluating·<code·class="inline">test1:demo(1)</code>·in·the | 300 | </span><span·class="ss">hello</span></code></pre><p>Commands·25,·26,·and·27·show·the·effect·of·evaluating·<code·class="inline">test1:demo(1)</code>·in·the |
| 301 | background.·In·this·case,·the·expression·is·evaluated·in·a·newly·spawned | 301 | background.·In·this·case,·the·expression·is·evaluated·in·a·newly·spawned |
| 302 | process.·Any·changes·made·in·the·process·dictionary·are·local·to·the·newly | 302 | process.·Any·changes·made·in·the·process·dictionary·are·local·to·the·newly |
| 303 | spawned·process·and·therefore·not·visible·to·the·shell.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">28>·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5 | 303 | spawned·process·and·therefore·not·visible·to·the·shell.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">28>·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6569840187-1">(</span><span·class="s">"hello·hello\n"</span><span·class="p"·data-group-id="6569840187-1">)</span><span·class="p">.</span><span·class="w"> |
| 304 | </span><span·class="ss">hello</span><span·class="w">·</span><span·class="ss">hello</span><span·class="w"> | 304 | </span><span·class="ss">hello</span><span·class="w">·</span><span·class="ss">hello</span><span·class="w"> |
| 305 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 305 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 306 | 29>·</span><span·class="nf">e</span><span·class="p"·data-group-id="5 | 306 | 29>·</span><span·class="nf">e</span><span·class="p"·data-group-id="6569840187-2">(</span><span·class="mi">28</span><span·class="p"·data-group-id="6569840187-2">)</span><span·class="p">.</span><span·class="w"> |
| 307 | </span><span·class="ss">hello</span><span·class="w">·</span><span·class="ss">hello</span><span·class="w"> | 307 | </span><span·class="ss">hello</span><span·class="w">·</span><span·class="ss">hello</span><span·class="w"> |
| 308 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 308 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 309 | 30>·</span><span·class="nf">v</span><span·class="p"·data-group-id="5 | 309 | 30>·</span><span·class="nf">v</span><span·class="p"·data-group-id="6569840187-3">(</span><span·class="mi">28</span><span·class="p"·data-group-id="6569840187-3">)</span><span·class="p">.</span><span·class="w"> |
| 310 | </span><span·class="ss">ok</span></code></pre><p>Commands·28,·29·and·30·use·the·history·facilities·of·the·shell.·Command·29 | 310 | </span><span·class="ss">ok</span></code></pre><p>Commands·28,·29·and·30·use·the·history·facilities·of·the·shell.·Command·29 |
| 311 | re-evaluates·command·28.·Command·30·uses·the·value·(result)·of·command·28.·In | 311 | re-evaluates·command·28.·Command·30·uses·the·value·(result)·of·command·28.·In |
| 312 | the·cases·of·a·pure·function·(a·function·with·no·side·effects),·the·result·is | 312 | the·cases·of·a·pure·function·(a·function·with·no·side·effects),·the·result·is |
| 313 | the·same.·For·a·function·with·side·effects,·the·result·can·be·different.</p><p>The·next·few·commands·show·some·record·manipulation.·It·is·assumed·that·<code·class="inline">ex.erl</code> | 313 | the·same.·For·a·function·with·side·effects,·the·result·can·be·different.</p><p>The·next·few·commands·show·some·record·manipulation.·It·is·assumed·that·<code·class="inline">ex.erl</code> |
| 314 | defines·a·record·as·follows:</p><p><code·class="inline">-record(rec,·{a,·b·=·val()}).</code></p><p><code·class="inline">val()·-></code><br/> <code·class="inline">3.</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">31>·</span><span·class="nf">c</span><span·class="p"·data-group-id=" | 314 | defines·a·record·as·follows:</p><p><code·class="inline">-record(rec,·{a,·b·=·val()}).</code></p><p><code·class="inline">val()·-></code><br/> <code·class="inline">3.</code></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">31>·</span><span·class="nf">c</span><span·class="p"·data-group-id="8956358404-1">(</span><span·class="ss">ex</span><span·class="p"·data-group-id="8956358404-1">)</span><span·class="p">.</span><span·class="w"> |
| 315 | </span><span·class="p"·data-group-id=" | 315 | </span><span·class="p"·data-group-id="8956358404-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">ex</span><span·class="p"·data-group-id="8956358404-2">}</span><span·class="gp·unselectable"> |
| 316 | 32>·</span><span·class="nf">rr</span><span·class="p"·data-group-id=" | 316 | 32>·</span><span·class="nf">rr</span><span·class="p"·data-group-id="8956358404-3">(</span><span·class="ss">ex</span><span·class="p"·data-group-id="8956358404-3">)</span><span·class="p">.</span><span·class="w"> |
| 317 | </span><span·class="p"·data-group-id=" | 317 | </span><span·class="p"·data-group-id="8956358404-4">[</span><span·class="ss">rec</span><span·class="p"·data-group-id="8956358404-4">]</span></code></pre><p>Commands·31·and·32·compile·file·<code·class="inline">ex.erl</code>·and·read·the·record·definitions·in |
| 318 | <code·class="inline">ex.beam</code>.·If·the·compiler·did·not·output·any·record·definitions·on·the·BEAM | 318 | <code·class="inline">ex.beam</code>.·If·the·compiler·did·not·output·any·record·definitions·on·the·BEAM |
| 319 | file,·<code·class="inline">rr(ex)</code>·tries·to·read·record·definitions·from·the·source·file·instead.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">33>·</span><span·class="nf">rl</span><span·class="p"·data-group-id=" | 319 | file,·<code·class="inline">rr(ex)</code>·tries·to·read·record·definitions·from·the·source·file·instead.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">33>·</span><span·class="nf">rl</span><span·class="p"·data-group-id="7818021663-1">(</span><span·class="ss">rec</span><span·class="p"·data-group-id="7818021663-1">)</span><span·class="p">.</span><span·class="w"> |
| 320 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id=" | 320 | </span><span·class="p">-</span><span·class="na">record</span><span·class="p"·data-group-id="7818021663-2">(</span><span·class="ss">rec</span><span·class="p">,</span><span·class="p"·data-group-id="7818021663-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="ss">b</span><span·class="w">·</span><span·class="o">=</span><span·cl[·...·truncated·by·diffoscope;·len:·243,·SHA:·57430ccbfab96d4367b369660b7cbcf9e52413debd7189011d541de023e20159·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 321 | </span><span·class="ss">ok</span></code></pre><p>Command·33·prints·the·definition·of·the·record·named·<code·class="inline">rec</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">34>·</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 321 | </span><span·class="ss">ok</span></code></pre><p>Command·33·prints·the·definition·of·the·record·named·<code·class="inline">rec</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">34>·</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="2783176916-1">{</span><span·class="p"·data-group-id="2783176916-1">}</span><span·class="p">.</span><span·class="w"> |
| 322 | </span><span·class="gt">**·exception·error:·undefined·shell·command·val/0</span></code></pre><p>Command·34·tries·to·create·a·<code·class="inline">rec</code>·record,·but·fails·as·function·<code·class="inline">val/0</code>·is | 322 | </span><span·class="gt">**·exception·error:·undefined·shell·command·val/0</span></code></pre><p>Command·34·tries·to·create·a·<code·class="inline">rec</code>·record,·but·fails·as·function·<code·class="inline">val/0</code>·is |
| 323 | undefined.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">35>·</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 323 | undefined.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">35>·</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="6396375812-1">{</span><span·class="ss">b</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">3</span><span·class="p"·data-group-id="6396375812-1">}</span><span·class="p">.</span><span·class="w"> |
| 324 | </span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 324 | </span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="6396375812-2">{</span><span·class="ss">a</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="p">,</span><span·class="ss">b</span><span·class="w">·</span><span·class="o">=</span><span·c[·...·truncated·by·diffoscope;·len:·83,·SHA:·d7e01ec6bdbb46076bc9b464dee290bfe7681075da5c9a81c1ab8b0bec3a47c2·...·]-2">}</span></code></pre><p>Command·35·shows·the·workaround:·explicitly·assign·values·to·record·fields·that |
| 325 | cannot·otherwise·be·initialized.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">36>·</span><span·class="nf">rp</span><span·class="p"·data-group-id="0 | 325 | cannot·otherwise·be·initialized.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">36>·</span><span·class="nf">rp</span><span·class="p"·data-group-id="1086665968-1">(</span><span·class="nf">v</span><span·class="p"·data-group-id="1086665968-2">(</span><span·class="o">-</span><span·class="mi">1</span><span·class="p"·data-group-id="1086665968-2">)</span><span·class="p"·data-group-id="1086665968-1">)</span><span·class="p">.</span><span·class="w"> |
| 326 | </span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="0 | 326 | </span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="1086665968-3">{</span><span·class="ss">a</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="p">,</span><span·class="ss">b</span><span·class="w">·</span><span·class="o">=</span><span·c[·...·truncated·by·diffoscope;·len:·83,·SHA:·dbdd1bb935b8b3c3de22bca30a9e8a4f0a1be804024fb891d23ce261a3021696·...·]-3">}</span><span·class="w"> |
| 327 | </span><span·class="ss">ok</span></code></pre><p>Command·36·prints·the·newly·created·record·using·record·definitions·maintained | 327 | </span><span·class="ss">ok</span></code></pre><p>Command·36·prints·the·newly·created·record·using·record·definitions·maintained |
| 328 | by·the·shell.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">37>·</span><span·class="nf">rd</span><span·class="p"·data-group-id="4 | 328 | by·the·shell.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">37>·</span><span·class="nf">rd</span><span·class="p"·data-group-id="4353149034-1">(</span><span·class="ss">rec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4353149034-2">{</span><span·class="ss">f</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·272,·SHA:·fb44c65bf48e91dc9cf89614e6dd4e4c54fd152944fcef071d2c28e5b723f38f·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 329 | </span><span·class="ss">rec</span></code></pre><p>Command·37·defines·a·record·directly·in·the·shell.·The·definition·replaces·the | 329 | </span><span·class="ss">rec</span></code></pre><p>Command·37·defines·a·record·directly·in·the·shell.·The·definition·replaces·the |
| 330 | one·read·from·file·<code·class="inline">ex.beam</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">38>·</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="6 | 330 | one·read·from·file·<code·class="inline">ex.beam</code>.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">38>·</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="8626765416-1">{</span><span·class="p"·data-group-id="8626765416-1">}</span><span·class="p">.</span><span·class="w"> |
| 331 | </span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="6703414594-2">{</span><span·class="ss">f</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6703414594-3">[</span><span·class="p"·data-group-id="6703414594-3">]</span><span·class="p"·data-group-id="6703414594-2">}</span><span·class="w"> | ||
| 332 | </span><span·class=" | 331 | </span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="8626765416-2">{</span><span·class="ss">f</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="8626765416-3">[</span><span·class="p"[·...·truncated·by·diffoscope;·len:·84,·SHA:·7642d72b660b0176d7ef7452f1253bac829b629ab00753a72adcbb03cf8847b1·...·]</span><span·class="w"> |
| 332 | </span><span·class="ss">ok</span></code></pre><p>Command·38·creates·a·record·using·the·new·definition,·and·prints·the·result.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">39>·</span><span·class="nf">rd</span><span·class="p"·data-group-id="0285115672-1">(</span><span·class="ss">rec</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0285115672-2">{</span><span·class="ss">c</span><span·class="p"·data-group-id="0285115672-2">}</span><span·class="p"·data-group-id="0285115672-1">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">A</span><span·class="p">.</span><span·class="w"> | ||
| 333 | </span><span·class="gt">*·1:15:·variable·'A'·is·unbound</span><span·class="gp·unselectable"> | 333 | </span><span·class="gt">*·1:15:·variable·'A'·is·unbound</span><span·class="gp·unselectable"> |
| 334 | 40>·</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 334 | 40>·</span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="0285115672-3">{</span><span·class="p"·data-group-id="0285115672-3">}</span><span·class="p">.</span><span·class="w"> |
| 335 | </span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id=" | 335 | </span><span·class="o">#</span><span·class="ss">rec</span><span·class="p"·data-group-id="0285115672-4">{</span><span·class="ss">c</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="p"·data-group-id="0285115672-4">}</span><span·class="w"> |
| 336 | </span><span·class="ss">ok</span></code></pre><p>Command·39·and·40·show·that·record·definitions·are·updated·as·side·effects.·The | 336 | </span><span·class="ss">ok</span></code></pre><p>Command·39·and·40·show·that·record·definitions·are·updated·as·side·effects.·The |
| 337 | evaluation·of·the·command·fails,·but·the·definition·of·<code·class="inline">rec</code>·has·been·carried | 337 | evaluation·of·the·command·fails,·but·the·definition·of·<code·class="inline">rec</code>·has·been·carried |
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| 125 | ····<small·class="app-vsn"·translate="no">(stdlib·v6.2.1)</small> | 125 | ····<small·class="app-vsn"·translate="no">(stdlib·v6.2.1)</small> |
| 126 | ··</h1> | 126 | ··</h1> |
| 127 | ····<section·id="moduledoc"> | 127 | ····<section·id="moduledoc"> |
| 128 | <p>Customizing·the·Erlang·environment.</p><p>The·functions·in·this·module·are·called·when·no·module·name·is·specified·in·a | 128 | <p>Customizing·the·Erlang·environment.</p><p>The·functions·in·this·module·are·called·when·no·module·name·is·specified·in·a |
| 129 | shell·command.</p><p>Consider·the·following·shell·dialog:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id="1 | 129 | shell·command.</p><p>Consider·the·following·shell·dialog:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">reverse</span><span·class="p"·data-group-id="1290047100-1">(</span><span·class="s">"abc"</span><span·class="p"·data-group-id="1290047100-1">)</span><span·class="p">.</span><span·class="w"> |
| 130 | </span><span·class="s">"cba"</span><span·class="gp·unselectable"> | 130 | </span><span·class="s">"cba"</span><span·class="gp·unselectable"> |
| 131 | 2>·</span><span·class="nf">c</span><span·class="p"·data-group-id="1 | 131 | 2>·</span><span·class="nf">c</span><span·class="p"·data-group-id="1290047100-2">(</span><span·class="ss">foo</span><span·class="p"·data-group-id="1290047100-2">)</span><span·class="p">.</span><span·class="w"> |
| 132 | </span><span·class="p"·data-group-id="1 | 132 | </span><span·class="p"·data-group-id="1290047100-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">foo</span><span·class="p"·data-group-id="1290047100-3">}</span></code></pre><p>In·command·one,·module·<a·href="lists.html"><code·class="inline">lists</code></a>·is·called.·In·command·two,·no·module·name·is |
| 133 | specified.·The·shell·searches·module·<code·class="inline">user_default</code>·followed·by·module | 133 | specified.·The·shell·searches·module·<code·class="inline">user_default</code>·followed·by·module |
| 134 | <code·class="inline">shell_default</code>·for·function·<code·class="inline">c/1</code>.</p><p><code·class="inline">shell_default</code>·is·intended·for·"system·wide"·customizations·to·the·shell. | 134 | <code·class="inline">shell_default</code>·for·function·<code·class="inline">c/1</code>.</p><p><code·class="inline">shell_default</code>·is·intended·for·"system·wide"·customizations·to·the·shell. |
| 135 | <code·class="inline">user_default</code>·is·intended·for·"local"·or·individual·user·customizations.</p><h2·id="module-hint"·class="section-heading"> | 135 | <code·class="inline">user_default</code>·is·intended·for·"local"·or·individual·user·customizations.</p><h2·id="module-hint"·class="section-heading"> |
| 136 | ··<a·href="#module-hint"·class="hover-link"> | 136 | ··<a·href="#module-hint"·class="hover-link"> |
| 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 137 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 138 | ··</a> | 138 | ··</a> |
| 139 | ··<span·class="text">Hint</span> | 139 | ··<span·class="text">Hint</span> |
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| 231 | ······<p·class="built-using"> | 231 | ······<p·class="built-using"> |
| 232 | ········Built·using | 232 | ········Built·using |
| 233 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 233 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 234 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 234 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 235 | ······</p> | 235 | ······</p> |
| 236 | <p>Copyright·©·1996-202 | 236 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 237 | ····</footer> | 237 | ····</footer> |
| 238 | ··</div> | 238 | ··</div> |
| 239 | </main> | 239 | </main> |
| 240 | </div> | 240 | </div> |
| 241 | <script> | 241 | <script> |
| 242 | ··function·mermaidLoaded()·{ | 242 | ··function·mermaidLoaded()·{ |
| 243 | ····mermaid.initialize({ | 243 | ····mermaid.initialize({ |
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| 1242 | ······<p·class="built-using"> | 1242 | ······<p·class="built-using"> |
| 1243 | ········Built·using | 1243 | ········Built·using |
| 1244 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1244 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1245 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1245 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1246 | ······</p> | 1246 | ······</p> |
| 1247 | <p>Copyright·©·1996-202 | 1247 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1248 | ····</footer> | 1248 | ····</footer> |
| 1249 | ··</div> | 1249 | ··</div> |
| 1250 | </main> | 1250 | </main> |
| 1251 | </div> | 1251 | </div> |
| 1252 | <script> | 1252 | <script> |
| 1253 | ··function·mermaidLoaded()·{ | 1253 | ··function·mermaidLoaded()·{ |
| 1254 | ····mermaid.initialize({ | 1254 | ····mermaid.initialize({ |
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| 367 | ······</div> | 367 | ······</div> |
| 368 | <p>Starts·a·number·of·pseudo·servers.·A·pseudo·server·is·a·server·with·a·registered | 368 | <p>Starts·a·number·of·pseudo·servers.·A·pseudo·server·is·a·server·with·a·registered |
| 369 | name·that·does·nothing·but·pass·on·all·message·to·the·real·server·that·executes | 369 | name·that·does·nothing·but·pass·on·all·message·to·the·real·server·that·executes |
| 370 | at·a·master·node.·A·pseudo·server·is·an·intermediary·that·only·has·the·same | 370 | at·a·master·node.·A·pseudo·server·is·an·intermediary·that·only·has·the·same |
| 371 | registered·name·as·the·real·server.</p><p>For·example,·if·you·have·started·a·slave·node·<code·class="inline">N</code>·and·want·to·execute·<code·class="inline">pxw</code> | 371 | registered·name·as·the·real·server.</p><p>For·example,·if·you·have·started·a·slave·node·<code·class="inline">N</code>·and·want·to·execute·<code·class="inline">pxw</code> |
| 372 | graphics·code·on·this·node,·you·can·start·server·<code·class="inline">pxw_server</code>·as·a·pseudo·server | 372 | graphics·code·on·this·node,·you·can·start·server·<code·class="inline">pxw_server</code>·as·a·pseudo·server |
| 373 | at·the·slave·node.·This·is·illustrated·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">rpc</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="40 | 373 | at·the·slave·node.·This·is·illustrated·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">rpc</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="6764036256-1">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">slave</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">pseudo</span><span·class="p">,</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·462,·SHA:·c620ca6f772336f8e1ba7a5682c5803e8debc888b94a7cd6a4f4abcfde3e83c9·...·]-1">)</span><span·class="p">.</span></code></pre> |
| 374 | ··</section> | 374 | ··</section> |
| 375 | </section> | 375 | </section> |
| 376 | <section·class="detail"·id="relay/1"> | 376 | <section·class="detail"·id="relay/1"> |
| 377 | ··<div·class="detail-header"> | 377 | ··<div·class="detail-header"> |
| 378 | ····<a·href="#relay/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 378 | ····<a·href="#relay/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 379 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 379 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 513, 17 lines modified | Offset 513, 17 lines modified | ||
| 513 | as·fully·qualified·names;·short·names·can·also·be·used.·This·is·the·same | 513 | as·fully·qualified·names;·short·names·can·also·be·used.·This·is·the·same |
| 514 | condition·that·applies·to·names·of·distributed·Erlang·nodes.</p><p>The·name·of·the·started·node·becomes·<code·class="inline">Name@Host</code>.</p><p>The·slave·node·resets·its·<a·href="io.html#t:user/0"><code·class="inline">io:user/0</code></a>·process·so·that·all·terminal·I/O·that·is | 514 | condition·that·applies·to·names·of·distributed·Erlang·nodes.</p><p>The·name·of·the·started·node·becomes·<code·class="inline">Name@Host</code>.</p><p>The·slave·node·resets·its·<a·href="io.html#t:user/0"><code·class="inline">io:user/0</code></a>·process·so·that·all·terminal·I/O·that·is |
| 515 | produced·at·the·slave·is·automatically·relayed·to·the·master.·Also,·the·file | 515 | produced·at·the·slave·is·automatically·relayed·to·the·master.·Also,·the·file |
| 516 | server·is·relayed·to·the·master.</p><p>Argument·<code·class="inline">Args</code>·is·used·to·set·<code·class="inline">erl</code>·command-line·arguments.·It·is | 516 | server·is·relayed·to·the·master.</p><p>Argument·<code·class="inline">Args</code>·is·used·to·set·<code·class="inline">erl</code>·command-line·arguments.·It·is |
| 517 | passed·to·the·new·node·and·can·be·used·for·a·variety·of·purposes;·see | 517 | passed·to·the·new·node·and·can·be·used·for·a·variety·of·purposes;·see |
| 518 | <a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html"><code·class="inline">erl(1)</code></a>.</p><p>As·an·example,·suppose·that·you·want·to·start·a·slave·node·at·host·<code·class="inline">H</code>·with·node | 518 | <a·href="../../../../erts-15.2.3/doc/html/erl_cmd.html"><code·class="inline">erl(1)</code></a>.</p><p>As·an·example,·suppose·that·you·want·to·start·a·slave·node·at·host·<code·class="inline">H</code>·with·node |
| 519 | name·<code·class="inline">Name@H</code>·and·want·the·slave·node·to·have·the·following·properties:</p><ul><li>Directory·<code·class="inline">Dir</code>·is·to·be·added·to·the·code·path.</li><li>The·Mnesia·directory·is·to·be·set·to·<code·class="inline">M</code>.</li><li>The·Unix·<code·class="inline">DISPLAY</code>·environment·variable·is·to·be·set·to·the·display·of·the | 519 | name·<code·class="inline">Name@H</code>·and·want·the·slave·node·to·have·the·following·properties:</p><ul><li>Directory·<code·class="inline">Dir</code>·is·to·be·added·to·the·code·path.</li><li>The·Mnesia·directory·is·to·be·set·to·<code·class="inline">M</code>.</li><li>The·Unix·<code·class="inline">DISPLAY</code>·environment·variable·is·to·be·set·to·the·display·of·the |
| 520 | master·node.</li></ul><p>The·following·code·is·executed·to·achieve·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"·-env·DISPLAY·"</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="nc">net_adm</span><span·class="p">:</span><span·class="nf">localhost</span><span·class="p"·data-group-id=" | 520 | master·node.</li></ul><p>The·following·code·is·executed·to·achieve·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"·-env·DISPLAY·"</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="nc">net_adm</span><span·class="p">:</span><span·class="nf">localhost</span><span·class="p"·data-group-id="3010311499-1">(</span><span·class="p"·data-group-id="3010311499-1">)</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">":0·"</span><span·class="p">,</span><span·class="w"> |
| 521 | </span><span·class="n">Arg</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"-mnesia_dir·"</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">M</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">"·-pa·"</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">E</span><span·class="p">,</span><span·class="w"> | 521 | </span><span·class="n">Arg</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"-mnesia_dir·"</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">M</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="s">"·-pa·"</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">Dir</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="n">E</span><span·class="p">,</span><span·class="w"> |
| 522 | </span><span·class="nc">slave</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 522 | </span><span·class="nc">slave</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="3010311499-2">(</span><span·class="n">H</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Arg</span><span·class="p"·data-group-id="3010311499-2">)</span><span·class="p">.</span></code></pre><p>The·function·returns·<code·class="inline">{ok,·Node}</code>,·where·<code·class="inline">Node</code>·is·the·name·of·the·new·node, |
| 523 | otherwise·<code·class="inline">{error,·Reason}</code>,·where·<code·class="inline">Reason</code>·can·be·one·of:</p><ul><li><p><strong><code·class="inline">timeout</code></strong>·-·The·master·node·failed·to·get·in·contact·with·the·slave·node. | 523 | otherwise·<code·class="inline">{error,·Reason}</code>,·where·<code·class="inline">Reason</code>·can·be·one·of:</p><ul><li><p><strong><code·class="inline">timeout</code></strong>·-·The·master·node·failed·to·get·in·contact·with·the·slave·node. |
| 524 | This·can·occur·in·a·number·of·circumstances:</p><ul><li>Erlang/OTP·is·not·installed·on·the·remote·host.</li><li>The·file·system·on·the·other·host·has·a·different·structure·to·the·the | 524 | This·can·occur·in·a·number·of·circumstances:</p><ul><li>Erlang/OTP·is·not·installed·on·the·remote·host.</li><li>The·file·system·on·the·other·host·has·a·different·structure·to·the·the |
| 525 | master.</li><li>The·Erlang·nodes·have·different·cookies.</li></ul></li><li><p><strong><code·class="inline">no_rsh</code></strong>·-·No·remote·shell·program·was·found·on·the·computer.·Note·that | 525 | master.</li><li>The·Erlang·nodes·have·different·cookies.</li></ul></li><li><p><strong><code·class="inline">no_rsh</code></strong>·-·No·remote·shell·program·was·found·on·the·computer.·Note·that |
| 526 | <code·class="inline">ssh</code>·is·used·by·default,·but·this·can·be·overridden·with·the·<code·class="inline">-rsh</code>·flag.</p></li><li><p><strong><code·class="inline">{already_running,·Node}</code></strong>·-·A·node·with·name·<code·class="inline">Name@Host</code>·already·exists.</p></li></ul> | 526 | <code·class="inline">ssh</code>·is·used·by·default,·but·this·can·be·overridden·with·the·<code·class="inline">-rsh</code>·flag.</p></li><li><p><strong><code·class="inline">{already_running,·Node}</code></strong>·-·A·node·with·name·<code·class="inline">Name@Host</code>·already·exists.</p></li></ul> |
| 527 | ··</section> | 527 | ··</section> |
| 528 | </section> | 528 | </section> |
| 529 | <section·class="detail"·id="start_link/1"> | 529 | <section·class="detail"·id="start_link/1"> |
| Offset 686, 15 lines modified | Offset 686, 15 lines modified | ||
| 686 | ······<p·class="built-using"> | 686 | ······<p·class="built-using"> |
| 687 | ········Built·using | 687 | ········Built·using |
| 688 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 688 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 689 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 689 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 690 | ······</p> | 690 | ······</p> |
| 691 | <p>Copyright·©·1996-202 | 691 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 692 | ····</footer> | 692 | ····</footer> |
| 693 | ··</div> | 693 | ··</div> |
| 694 | </main> | 694 | </main> |
| 695 | </div> | 695 | </div> |
| 696 | <script> | 696 | <script> |
| 697 | ··function·mermaidLoaded()·{ | 697 | ··function·mermaidLoaded()·{ |
| 698 | ····mermaid.initialize({ | 698 | ····mermaid.initialize({ |
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| 157 | string·and·returns·a·formatted·expressions·as·a·string.·See | 157 | string·and·returns·a·formatted·expressions·as·a·string.·See |
| 158 | <a·href="shell.html#format_shell_func/1"><code·class="inline">shell:format_shell_func/1</code></a>·for·how·to·set·it·from·inside·the·shell.</p><p>If·instead·a·string·is·provided,·it·will·be·used·as·a·shell·command.·Your | 158 | <a·href="shell.html#format_shell_func/1"><code·class="inline">shell:format_shell_func/1</code></a>·for·how·to·set·it·from·inside·the·shell.</p><p>If·instead·a·string·is·provided,·it·will·be·used·as·a·shell·command.·Your |
| 159 | command·must·include·<code·class="inline">${file}</code>·somewhere·in·the·string,·for·the·shell·to·know | 159 | command·must·include·<code·class="inline">${file}</code>·somewhere·in·the·string,·for·the·shell·to·know |
| 160 | where·the·file·goes·in·the·command.</p><pre><code·class="text">-stdlib·format_shell_func·"\"emacs·-batch·\${file}·-l·~/erlang-format/emacs-format-file·-f·emacs-format-function\""</code></pre><pre><code·class="text">-stdlib·format_shell_func·"{shell,·erl_pp_format_func}"</code></pre></li><li><p><strong><code·class="inline"·id="shell_prompt_func">shell_prompt_func·=·{Mod,·Func}·|·default</code></strong>·-·where</p><ul><li><code·class="inline">Mod·=·atom()</code></li><li><code·class="inline">Func·=·atom()</code></li></ul><p>Can·be·used·to·set·a·customized·Erlang·shell·prompt·function.</p></li><li><p><strong><code·class="inline"·id="shell_multiline_prompt">shell_multiline_prompt·=·{Mod,·Func}·|·string()·|·default</code></strong>·-·where</p><ul><li><code·class="inline">Mod·=·atom()</code></li><li><code·class="inline">Func·=·atom()</code></li></ul><p>Can·be·used·to·set·a·customized·multiline·shell·prompt·function.·The·multiline | 160 | where·the·file·goes·in·the·command.</p><pre><code·class="text">-stdlib·format_shell_func·"\"emacs·-batch·\${file}·-l·~/erlang-format/emacs-format-file·-f·emacs-format-function\""</code></pre><pre><code·class="text">-stdlib·format_shell_func·"{shell,·erl_pp_format_func}"</code></pre></li><li><p><strong><code·class="inline"·id="shell_prompt_func">shell_prompt_func·=·{Mod,·Func}·|·default</code></strong>·-·where</p><ul><li><code·class="inline">Mod·=·atom()</code></li><li><code·class="inline">Func·=·atom()</code></li></ul><p>Can·be·used·to·set·a·customized·Erlang·shell·prompt·function.</p></li><li><p><strong><code·class="inline"·id="shell_multiline_prompt">shell_multiline_prompt·=·{Mod,·Func}·|·string()·|·default</code></strong>·-·where</p><ul><li><code·class="inline">Mod·=·atom()</code></li><li><code·class="inline">Func·=·atom()</code></li></ul><p>Can·be·used·to·set·a·customized·multiline·shell·prompt·function.·The·multiline |
| 161 | prompt·function·takes·the·main·prompt·as·its·only·parameter.</p></li><li><p><strong><code·class="inline"·id="shell_saved_results">shell_saved_results·=·integer()·>=·0</code></strong>·-·Can·be | 161 | prompt·function·takes·the·main·prompt·as·its·only·parameter.</p></li><li><p><strong><code·class="inline"·id="shell_saved_results">shell_saved_results·=·integer()·>=·0</code></strong>·-·Can·be |
| 162 | used·to·determine·how·many·results·are·saved·by·the·Erlang·shell.</p></li><li><p><strong><code·class="inline"·id="shell_session_slogan">shell_session_slogan·=·string()·|·fun()·->·string())</code></strong>·-·The·slogan·printed·when·starting·an·Erlang·shell. | 162 | used·to·determine·how·many·results·are·saved·by·the·Erlang·shell.</p></li><li><p><strong><code·class="inline"·id="shell_session_slogan">shell_session_slogan·=·string()·|·fun()·->·string())</code></strong>·-·The·slogan·printed·when·starting·an·Erlang·shell. |
| 163 | Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">stdlib</span><span·class="w">·</span><span·class="ss">shell_session_slogan</span><span·class="w">·</span><span·class="ss">'"Test·slogan"'</span><span·class="w"> | 163 | Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">stdlib</span><span·class="w">·</span><span·class="ss">shell_session_slogan</span><span·class="w">·</span><span·class="ss">'"Test·slogan"'</span><span·class="w"> |
| 164 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">26</span><span·class="w">·</span><span·class="p"·data-group-id=" | 164 | </span><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">26</span><span·class="w">·</span><span·class="p"·data-group-id="5125257326-1">[</span><span·class="n">DEVELOPMENT</span><span·class="p"·data-group-id="5125257326-1">]</span><span·class="w">·</span><span·class="p"·data-group-id="5125257326-2">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">1[·...·truncated·by·diffoscope;·len:·1496,·SHA:·4da66ccd3423093ffd2f0d60bc8f64cb7bd2bb85db5347059165b108a22317cc·...·]-8">]</span><span·class="w"> |
| 165 | </span><span·class="n">Test</span><span·class="w">·</span><span·class="ss">slogan</span><span·class="w"> | 165 | </span><span·class="n">Test</span><span·class="w">·</span><span·class="ss">slogan</span><span·class="w"> |
| 166 | </span><span·class="mi">1</span><span·class="o">></span></code></pre></li><li><p><strong><code·class="inline"·id="shell_slogan">shell_slogan·=·string()·|·fun(()·->·string())</code></strong>·-·The | 166 | </span><span·class="mi">1</span><span·class="o">></span></code></pre></li><li><p><strong><code·class="inline"·id="shell_slogan">shell_slogan·=·string()·|·fun(()·->·string())</code></strong>·-·The |
| 167 | slogan·printed·when·starting·the·Erlang·shell·subsystem.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">stdlib</span><span·class="w">·</span><span·class="ss">shell_slogan</span><span·class="w">·</span><span·class="ss">'"Test·slogan"'</span><span·class="w"> | 167 | slogan·printed·when·starting·the·Erlang·shell·subsystem.·Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">-</span><span·class="ss">stdlib</span><span·class="w">·</span><span·class="ss">shell_slogan</span><span·class="w">·</span><span·class="ss">'"Test·slogan"'</span><span·class="w"> |
| 168 | </span><span·class="n">Test</span><span·class="w">·</span><span·class="ss">slogan</span><span·class="w"> | 168 | </span><span·class="n">Test</span><span·class="w">·</span><span·class="ss">slogan</span><span·class="w"> |
| 169 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V13</span><span·class="p">.</span><span·class="mf">0.2</span><span·class="w">··</span><span·class="p"·data-group-id="5 | 169 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V13</span><span·class="p">.</span><span·class="mf">0.2</span><span·class="w">··</span><span·class="p"·data-group-id="5496966257-1">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="5496966257-1">)</span><span·class="w"> |
| 170 | </span><span·class="mi">1</span><span·class="o">></span></code></pre><p>The·default·is·the·return·value·of | 170 | </span><span·class="mi">1</span><span·class="o">></span></code></pre><p>The·default·is·the·return·value·of |
| 171 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#system_info_system_version"><code·class="inline">erlang:system_info(system_version)</code></a>.</p></li><li><p><strong><code·class="inline"·id="shell_strings">shell_strings·=·boolean()</code></strong>·-·Can·be·used·to·determine | 171 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#system_info_system_version"><code·class="inline">erlang:system_info(system_version)</code></a>.</p></li><li><p><strong><code·class="inline"·id="shell_strings">shell_strings·=·boolean()</code></strong>·-·Can·be·used·to·determine |
| 172 | how·the·Erlang·shell·outputs·lists·of·integers.</p></li></ul><h2·id="see-also"·class="section-heading"> | 172 | how·the·Erlang·shell·outputs·lists·of·integers.</p></li></ul><h2·id="see-also"·class="section-heading"> |
| 173 | ··<a·href="#see-also"·class="hover-link"> | 173 | ··<a·href="#see-also"·class="hover-link"> |
| 174 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 174 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 175 | ··</a> | 175 | ··</a> |
| 176 | ··<span·class="text">See·Also</span> | 176 | ··<span·class="text">See·Also</span> |
| Offset 223, 15 lines modified | Offset 223, 15 lines modified | ||
| 223 | ······<p·class="built-using"> | 223 | ······<p·class="built-using"> |
| 224 | ········Built·using | 224 | ········Built·using |
| 225 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 225 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 226 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 226 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 227 | ······</p> | 227 | ······</p> |
| 228 | <p>Copyright·©·1996-202 | 228 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 229 | ····</footer> | 229 | ····</footer> |
| 230 | ··</div> | 230 | ··</div> |
| 231 | </main> | 231 | </main> |
| 232 | </div> | 232 | </div> |
| 233 | <script> | 233 | <script> |
| 234 | ··function·mermaidLoaded()·{ | 234 | ··function·mermaidLoaded()·{ |
| 235 | ····mermaid.initialize({ | 235 | ····mermaid.initialize({ |
| Offset 145, 22 lines modified | Offset 145, 22 lines modified | ||
| 145 | <a·href="#replace/3"><code·class="inline">replace/3</code></a>,·<a·href="#split/2"><code·class="inline">split/2</code></a>,·<a·href="#split/3"><code·class="inline">split/3</code></a>·and·<a·href="#trim/3"><code·class="inline">trim/3</code></a>.</p><p>Splitting·and·appending·strings·is·to·be·done·on·grapheme·clusters·borders. | 145 | <a·href="#replace/3"><code·class="inline">replace/3</code></a>,·<a·href="#split/2"><code·class="inline">split/2</code></a>,·<a·href="#split/3"><code·class="inline">split/3</code></a>·and·<a·href="#trim/3"><code·class="inline">trim/3</code></a>.</p><p>Splitting·and·appending·strings·is·to·be·done·on·grapheme·clusters·borders. |
| 146 | There·is·no·verification·that·the·results·of·appending·strings·are·valid·or | 146 | There·is·no·verification·that·the·results·of·appending·strings·are·valid·or |
| 147 | normalized.</p><p>Most·of·the·functions·expect·all·input·to·be·normalized·to·one·form,·see·for | 147 | normalized.</p><p>Most·of·the·functions·expect·all·input·to·be·normalized·to·one·form,·see·for |
| 148 | example·<a·href="unicode.html#characters_to_nfc_list/1"><code·class="inline">unicode:characters_to_nfc_list/1</code></a>.</p><p>Language·or·locale·specific·handling·of·input·is·not·considered·in·any·function.</p><p>The·functions·can·crash·for·non-valid·input·strings.·For·example,·the·functions | 148 | example·<a·href="unicode.html#characters_to_nfc_list/1"><code·class="inline">unicode:characters_to_nfc_list/1</code></a>.</p><p>Language·or·locale·specific·handling·of·input·is·not·considered·in·any·function.</p><p>The·functions·can·crash·for·non-valid·input·strings.·For·example,·the·functions |
| 149 | expect·UTF-8·binaries·but·not·all·functions·verify·that·all·binaries·are·encoded | 149 | expect·UTF-8·binaries·but·not·all·functions·verify·that·all·binaries·are·encoded |
| 150 | correctly.</p><p>Unless·otherwise·specified·the·return·value·type·is·the·same·as·the·input·type. | 150 | correctly.</p><p>Unless·otherwise·specified·the·return·value·type·is·the·same·as·the·input·type. |
| 151 | That·is,·binary·input·returns·binary·output,·list·input·returns·a·list·output, | 151 | That·is,·binary·input·returns·binary·output,·list·input·returns·a·list·output, |
| 152 | and·mixed·input·can·return·a·mixed·output.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">trim</span><span·class="p"·data-group-id=" | 152 | and·mixed·input·can·return·a·mixed·output.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">trim</span><span·class="p"·data-group-id="0620457721-1">(</span><span·class="s">"··sarah··"</span><span·class="p"·data-group-id="0620457721-1">)</span><span·class="p">.</span><span·class="w"> |
| 153 | </span><span·class="s">"sarah"</span><span·class="gp·unselectable"> | 153 | </span><span·class="s">"sarah"</span><span·class="gp·unselectable"> |
| 154 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">trim</span><span·class="p"·data-group-id=" | 154 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">trim</span><span·class="p"·data-group-id="0620457721-2">(</span><span·class="p"·data-group-id="0620457721-3"><<</span><span·class="s">"··sarah··"</span><span·class="p"·data-group-id="0620457721-3">>></span><span·class="p"·data-group-id="0620457721-2">)</span><span·class="p">.</span><span·class="w"> |
| 155 | </span><span·class="p"·data-group-id=" | 155 | </span><span·class="p"·data-group-id="0620457721-4"><<</span><span·class="s">"sarah"</span><span·class="p"·data-group-id="0620457721-4">>></span><span·class="gp·unselectable"> |
| 156 | 3>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">lexemes</span><span·class="p"·data-group-id=" | 156 | 3>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">lexemes</span><span·class="p"·data-group-id="0620457721-5">(</span><span·class="s">"foo·bar"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"·"</span><span·class="p"·data-group-id="0620457721-5">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="p"·data-group-id=" | 157 | </span><span·class="p"·data-group-id="0620457721-6">[</span><span·class="s">"foo"</span><span·class="p">,</span><span·class="s">"bar"</span><span·class="p"·data-group-id="0620457721-6">]</span><span·class="gp·unselectable"> |
| 158 | 4>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">lexemes</span><span·class="p"·data-group-id=" | 158 | 4>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">lexemes</span><span·class="p"·data-group-id="0620457721-7">(</span><span·class="p"·data-group-id="0620457721-8"><<</span><span·class="s">"foo·bar"</span><span·class="p"·data-group-id="0620457721-8">>></span><span·class="p">,</span><span·class="w">·</span><span·class="s">"·&[·...·truncated·by·diffoscope;·len:·53,·SHA:·aaedd769f0efe3efcfa38a7cf47da4f335501d87baf98ada8082552543097f64·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="p"·data-group-id=" | 159 | </span><span·class="p"·data-group-id="0620457721-9">[</span><span·class="p"·data-group-id="0620457721-10"><<</span><span·class="s">"foo"</span><span·class="p"·data-group-id="0620457721-10">>></span><span·class="p">,</span><span·class="p"·data-group-id="0620457721-11"><[·...·truncated·by·diffoscope;·len:·151,·SHA:·88aff03ed70994861da0eb7a7e8081c96e52e3f82a3a9d556b485b272b38a6b5·...·]-9">]</span></code></pre><p>This·module·has·been·reworked·in·Erlang/OTP·20·to·handle·<a·href="unicode.html#t:chardata/0"><code·class="inline">unicode:chardata/0</code></a> |
| 160 | and·operate·on·grapheme·clusters.·The | 160 | and·operate·on·grapheme·clusters.·The |
| 161 | <a·href="string.html#obsolete-api-functions"><code·class="inline">old·functions</code></a>·that·only·work·on·Latin-1 | 161 | <a·href="string.html#obsolete-api-functions"><code·class="inline">old·functions</code></a>·that·only·work·on·Latin-1 |
| 162 | lists·as·input·are·still·available·but·should·not·be·used,·they·will·be | 162 | lists·as·input·are·still·available·but·should·not·be·used,·they·will·be |
| 163 | deprecated·in·a·future·release.</p><h2·id="module-notes"·class="section-heading"> | 163 | deprecated·in·a·future·release.</p><h2·id="module-notes"·class="section-heading"> |
| 164 | ··<a·href="#module-notes"·class="hover-link"> | 164 | ··<a·href="#module-notes"·class="hover-link"> |
| 165 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 165 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 166 | ··</a> | 166 | ··</a> |
| Offset 1062, 15 lines modified | Offset 1062, 15 lines modified | ||
| 1062 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·casefold(String·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>())·->·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>().</pre> | 1062 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·casefold(String·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>())·->·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>().</pre> |
| 1063 | ······</div> | 1063 | ······</div> |
| 1064 | <p>Converts·<code·class="inline">String</code>·to·a·case-agnostic·comparable·string.·Function | 1064 | <p>Converts·<code·class="inline">String</code>·to·a·case-agnostic·comparable·string.·Function |
| 1065 | <a·href="#casefold/1"><code·class="inline">casefold/1</code></a>·is·preferred·over·<a·href="#lowercase/1"><code·class="inline">lowercase/1</code></a> | 1065 | <a·href="#casefold/1"><code·class="inline">casefold/1</code></a>·is·preferred·over·<a·href="#lowercase/1"><code·class="inline">lowercase/1</code></a> |
| 1066 | when·two·strings·are·to·be·compared·for·equality.·See·also·<a·href="#equal/4"><code·class="inline">equal/4</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">casefold</span><span·class="p"·data-group-id="9 | 1066 | when·two·strings·are·to·be·compared·for·equality.·See·also·<a·href="#equal/4"><code·class="inline">equal/4</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">casefold</span><span·class="p"·data-group-id="0967673218-1">(</span><span·class="s">"Ω·and·ẞ·SHARP·S"</span><span·class="p"·data-group-id="0967673218-1">)</span><span·class="p">.</span><span·class="w"> |
| 1067 | </span><span·class="s">"ω·and·ss·sharp·s"</span></code></pre> | 1067 | </span><span·class="s">"ω·and·ss·sharp·s"</span></code></pre> |
| 1068 | ··</section> | 1068 | ··</section> |
| 1069 | </section> | 1069 | </section> |
| 1070 | <section·class="detail"·id="chomp/1"> | 1070 | <section·class="detail"·id="chomp/1"> |
| 1071 | ··<div·class="detail-header"> | 1071 | ··<div·class="detail-header"> |
| 1072 | ····<a·href="#chomp/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1072 | ····<a·href="#chomp/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1092, 17 lines modified | Offset 1092, 17 lines modified | ||
| 1092 | ······<div·class="specs"> | 1092 | ······<div·class="specs"> |
| 1093 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·chomp(String·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>())·->·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>().</pre> | 1093 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·chomp(String·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>())·->·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>().</pre> |
| 1094 | ······</div> | 1094 | ······</div> |
| 1095 | <p>Returns·a·string·where·any·trailing·<code·class="inline">\n</code>·or·<code·class="inline">\r\n</code>·have·been·removed·from | 1095 | <p>Returns·a·string·where·any·trailing·<code·class="inline">\n</code>·or·<code·class="inline">\r\n</code>·have·been·removed·from |
| 1096 | <code·class="inline">String</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">182>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">chomp</span><span·class="p"·data-group-id=" | 1096 | <code·class="inline">String</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">182>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">chomp</span><span·class="p"·data-group-id="4261899313-1">(</span><span·class="p"·data-group-id="4261899313-2"><<</span><span·class="s">"\nHello\n\n"</span><span·class="p"·data-group-id="4261899313-2">>></span><span·class="p"·data-group-id="4261899313-1">)</span><span·class="p">.</span><span·class="w"> |
| 1097 | </span><span·class="p"·data-group-id=" | 1097 | </span><span·class="p"·data-group-id="4261899313-3"><<</span><span·class="s">"\nHello"</span><span·class="p"·data-group-id="4261899313-3">>></span><span·class="gp·unselectable"> |
| 1098 | 183>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">chomp</span><span·class="p"·data-group-id=" | 1098 | 183>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">chomp</span><span·class="p"·data-group-id="4261899313-4">(</span><span·class="s">"\nHello\r\r\n"</span><span·class="p"·data-group-id="4261899313-4">)</span><span·class="p">.</span><span·class="w"> |
| 1099 | </span><span·class="s">"\nHello\r"</span></code></pre> | 1099 | </span><span·class="s">"\nHello\r"</span></code></pre> |
| 1100 | ··</section> | 1100 | ··</section> |
| 1101 | </section> | 1101 | </section> |
| 1102 | <section·class="detail"·id="equal/2"> | 1102 | <section·class="detail"·id="equal/2"> |
| 1103 | ··<div·class="detail-header"> | 1103 | ··<div·class="detail-header"> |
| 1104 | ····<a·href="#equal/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1104 | ····<a·href="#equal/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1189, 19 lines modified | Offset 1189, 19 lines modified | ||
| 1189 | <p>Returns·<code·class="inline">true</code>·if·<code·class="inline">A</code>·and·<code·class="inline">B</code>·are·equal,·otherwise·<code·class="inline">false</code>.</p><p>If·<code·class="inline">IgnoreCase</code>·is·<code·class="inline">true</code>·the·function·does·<a·href="#casefold/1"><code·class="inline">casefold</code>ing</a>·on·the | 1189 | <p>Returns·<code·class="inline">true</code>·if·<code·class="inline">A</code>·and·<code·class="inline">B</code>·are·equal,·otherwise·<code·class="inline">false</code>.</p><p>If·<code·class="inline">IgnoreCase</code>·is·<code·class="inline">true</code>·the·function·does·<a·href="#casefold/1"><code·class="inline">casefold</code>ing</a>·on·the |
| 1190 | fly·before·the·equality·test.</p><p>If·<code·class="inline">Norm</code>·is·not·<code·class="inline">none</code>·the·function·applies·normalization·on·the·fly·before·the | 1190 | fly·before·the·equality·test.</p><p>If·<code·class="inline">Norm</code>·is·not·<code·class="inline">none</code>·the·function·applies·normalization·on·the·fly·before·the |
| 1191 | equality·test.·There·are·four·available·normalization·forms: | 1191 | equality·test.·There·are·four·available·normalization·forms: |
| 1192 | <a·href="unicode.html#characters_to_nfc_list/1"><code·class="inline">nfc</code></a>, | 1192 | <a·href="unicode.html#characters_to_nfc_list/1"><code·class="inline">nfc</code></a>, |
| 1193 | <a·href="unicode.html#characters_to_nfd_list/1"><code·class="inline">nfd</code></a>, | 1193 | <a·href="unicode.html#characters_to_nfd_list/1"><code·class="inline">nfd</code></a>, |
| 1194 | <a·href="unicode.html#characters_to_nfkc_list/1"><code·class="inline">nfkc</code></a>,·and | 1194 | <a·href="unicode.html#characters_to_nfkc_list/1"><code·class="inline">nfkc</code></a>,·and |
| 1195 | <a·href="unicode.html#characters_to_nfkd_list/1"><code·class="inline">nfkd</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">equal</span><span·class="p"·data-group-id=" | 1195 | <a·href="unicode.html#characters_to_nfkd_list/1"><code·class="inline">nfkd</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">equal</span><span·class="p"·data-group-id="8109738035-1">(</span><span·class="s">"åäö"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8109738035-2"><<</span><span·class="s">"åäö"</span><span·class="o">/</span><span·class="ss">utf8</spa[·...·truncated·by·diffoscope;·len:·102,·SHA:·4964275f9fe94fe35763bf5b468cf54f12e466821341e2960da5c781f9560f52·...·]5-1">)</span><span·class="p">.</span><span·class="w"> |
| 1196 | </span><span·class="ss">true</span><span·class="gp·unselectable"> | 1196 | </span><span·class="ss">true</span><span·class="gp·unselectable"> |
| 1197 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">equal</span><span·class="p"·data-group-id=" | 1197 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">equal</span><span·class="p"·data-group-id="8109738035-3">(</span><span·class="s">"åäö"</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfd_binary</span><span·class="p"·data-group-id="8109738035-4">[·...·truncated·by·diffoscope;·len:·139,·SHA:·61c6a5aaafb565398b653cd2df2fc85e60ecec6f4d163b1ef11c0acfb0ce2fb0·...·]5-3">)</span><span·class="p">.</span><span·class="w"> |
| 1198 | </span><span·class="ss">false</span><span·class="gp·unselectable"> | 1198 | </span><span·class="ss">false</span><span·class="gp·unselectable"> |
| 1199 | 3>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">equal</span><span·class="p"·data-group-id=" | 1199 | 3>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">equal</span><span·class="p"·data-group-id="8109738035-5">(</span><span·class="s">"åäö"</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfd_binary</span><span·class="p"·data-group-id="8109738035-6">[·...·truncated·by·diffoscope;·len:·290,·SHA:·0f6207356d0c5ce3c03befb1ff2ad57480406a9327c4af487ebf213c9f969326·...·]5-5">)</span><span·class="p">.</span><span·class="w"> |
| 1200 | </span><span·class="ss">true</span></code></pre> | 1200 | </span><span·class="ss">true</span></code></pre> |
| 1201 | ··</section> | 1201 | ··</section> |
| 1202 | </section> | 1202 | </section> |
| 1203 | <section·class="detail"·id="find/2"> | 1203 | <section·class="detail"·id="find/2"> |
| 1204 | ··<div·class="detail-header"> | 1204 | ··<div·class="detail-header"> |
| 1205 | ····<a·href="#find/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1205 | ····<a·href="#find/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1255, 21 lines modified | Offset 1255, 21 lines modified | ||
| 1255 | ··············when·String·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>(),·SearchPattern·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>(),·Dir·::·<a·href="#t:direction/0">direction</a>().</pre> | 1255 | ··············when·String·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>(),·SearchPattern·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>(),·Dir·::·<a·href="#t:direction/0">direction</a>().</pre> |
| 1256 | ······</div> | 1256 | ······</div> |
| 1257 | <p>Removes·anything·before·<code·class="inline">SearchPattern</code>·in·<code·class="inline">String</code>·and·returns·the·remainder·of | 1257 | <p>Removes·anything·before·<code·class="inline">SearchPattern</code>·in·<code·class="inline">String</code>·and·returns·the·remainder·of |
| 1258 | the·string·or·<code·class="inline">nomatch</code>·if·<code·class="inline">SearchPattern</code>·is·not·found.·<code·class="inline">Dir</code>,·which·can·be | 1258 | the·string·or·<code·class="inline">nomatch</code>·if·<code·class="inline">SearchPattern</code>·is·not·found.·<code·class="inline">Dir</code>,·which·can·be |
| 1259 | <code·class="inline">leading</code>·or·<code·class="inline">trailing</code>,·indicates·from·which·direction·characters·are·to·be | 1259 | <code·class="inline">leading</code>·or·<code·class="inline">trailing</code>,·indicates·from·which·direction·characters·are·to·be |
| 1260 | searched.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">find</span><span·class="p"·data-group-id=" | 1260 | searched.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">find</span><span·class="p"·data-group-id="3335074636-1">(</span><span·class="s">"ab..cd..ef"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"."</span><span·class="p"·data-group-id="3335074636-1">)</span><span·class="p">.</span><span·class="w"> |
| 1261 | </span><span·class="s">"..cd..ef"</span><span·class="gp·unselectable"> | 1261 | </span><span·class="s">"..cd..ef"</span><span·class="gp·unselectable"> |
| 1262 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">find</span><span·class="p"·data-group-id=" | 1262 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">find</span><span·class="p"·data-group-id="3335074636-2">(</span><span·class="p"·data-group-id="3335074636-3"><<</span><span·class="s">"ab..cd..ef"</span><span·class="p"·data-group-id="3335074636-3">>></span><span·class="p">,</span><span·class="w">·</span><span·class="s">"[·...·truncated·by·diffoscope;·len:·137,·SHA:·1fa0da8b8634a928084c2042bcf1e0ed83c13f21afe90067e7ed0f05d25d10d7·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 1263 | </span><span·class="p"·data-group-id=" | 1263 | </span><span·class="p"·data-group-id="3335074636-4"><<</span><span·class="s">"..ef"</span><span·class="p"·data-group-id="3335074636-4">>></span><span·class="gp·unselectable"> |
| 1264 | 3>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">find</span><span·class="p"·data-group-id=" | 1264 | 3>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">find</span><span·class="p"·data-group-id="3335074636-5">(</span><span·class="p"·data-group-id="3335074636-6"><<</span><span·class="s">"ab..cd..ef"</span><span·class="p"·data-group-id="3335074636-6">>></span><span·class="p">,</span><span·class="w">·</span><span·class="s">"[·...·truncated·by·diffoscope;·len:·135,·SHA:·3a5e7b8cd3c63196ae7a6376139573bcf2ded47c1a8c04767fcb43cbaeadca90·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 1265 | </span><span·class="ss">nomatch</span><span·class="gp·unselectable"> | 1265 | </span><span·class="ss">nomatch</span><span·class="gp·unselectable"> |
| 1266 | 4>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">find</span><span·class="p"·data-group-id=" | 1266 | 4>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">find</span><span·class="p"·data-group-id="3335074636-7">(</span><span·class="s">"ab..cd..ef"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"x"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">trailing</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·bca01b4413dc3833f4c47c6baad7bcc6286f0c1139e7497e05b29f4e957ccf18·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 1267 | </span><span·class="ss">nomatch</span></code></pre> | 1267 | </span><span·class="ss">nomatch</span></code></pre> |
| 1268 | ··</section> | 1268 | ··</section> |
| 1269 | </section> | 1269 | </section> |
| 1270 | <section·class="detail"·id="is_empty/1"> | 1270 | <section·class="detail"·id="is_empty/1"> |
| 1271 | ··<div·class="detail-header"> | 1271 | ··<div·class="detail-header"> |
| 1272 | ····<a·href="#is_empty/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1272 | ····<a·href="#is_empty/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1290, 17 lines modified | Offset 1290, 17 lines modified | ||
| 1290 | ······<div·class="specs"> | 1290 | ······<div·class="specs"> |
| 1291 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·is_empty(String·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>().</pre> | 1291 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·is_empty(String·::·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>())·->·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:boolean/0">boolean</a>().</pre> |
| 1292 | ······</div> | 1292 | ······</div> |
| 1293 | <p>Returns·<code·class="inline">true</code>·if·<code·class="inline">String</code>·is·the·empty·string,·otherwise·<code·class="inline">false</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">is_empty</span><span·class="p"·data-group-id=" | 1293 | <p>Returns·<code·class="inline">true</code>·if·<code·class="inline">String</code>·is·the·empty·string,·otherwise·<code·class="inline">false</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">is_empty</span><span·class="p"·data-group-id="6079509073-1">(</span><span·class="s">"foo"</span><span·class="p"·data-group-id="6079509073-1">)</span><span·class="p">.</span><span·class="w"> |
| 1294 | </span><span·class="ss">false</span><span·class="gp·unselectable"> | 1294 | </span><span·class="ss">false</span><span·class="gp·unselectable"> |
| 1295 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">is_empty</span><span·class="p"·data-group-id=" | 1295 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">is_empty</span><span·class="p"·data-group-id="6079509073-2">(</span><span·class="p"·data-group-id="6079509073-3">[</span><span·class="s">""</span><span·class="p">,</span><span·class="p"·data-group-id="6079509073-4"><<</span><span·class="p"·data-group-id="6079509073-4">>></span><s[·...·truncated·by·diffoscope;·len:·92,·SHA:·686f1f82d21f761b7d0a91e50e9830e7969eb28147fdc060ade1c6c23f25224e·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 1296 | </span><span·class="ss">true</span></code></pre> | 1296 | </span><span·class="ss">true</span></code></pre> |
| 1297 | ··</section> | 1297 | ··</section> |
| 1298 | </section> | 1298 | </section> |
| 1299 | <section·class="detail"·id="jaro_similarity/2"> | 1299 | <section·class="detail"·id="jaro_similarity/2"> |
| 1300 | ··<div·class="detail-header"> | 1300 | ··<div·class="detail-header"> |
| 1301 | ····<a·href="#jaro_similarity/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1301 | ····<a·href="#jaro_similarity/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1328, 21 lines modified | Offset 1328, 21 lines modified | ||
| 1328 | ·····························Similarity·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:float/0">float</a>().</pre> | 1328 | ·····························Similarity·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:float/0">float</a>().</pre> |
| 1329 | ······</div> | 1329 | ······</div> |
| 1330 | <p>Returns·a·float·between·<code·class="inline">+0.0</code>·and·<code·class="inline">1.0</code>·representing·the | 1330 | <p>Returns·a·float·between·<code·class="inline">+0.0</code>·and·<code·class="inline">1.0</code>·representing·the |
| 1331 | <a·href="https://en.wikipedia.org/wiki/Jaro%E2%80%93Winkler_distance">Jaro·similarity</a> | 1331 | <a·href="https://en.wikipedia.org/wiki/Jaro%E2%80%93Winkler_distance">Jaro·similarity</a> |
| 1332 | between·the·given·strings.·Strings·with·a·higher·similarity·will·score·closer | 1332 | between·the·given·strings.·Strings·with·a·higher·similarity·will·score·closer |
| 1333 | to·<code·class="inline">1.0</code>,·with·<code·class="inline">+0.0</code>·meaning·no·similarity·and·<code·class="inline">1.0</code>·meaning·an·exact·match.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">jaro_similarity</span><span·class="p"·data-group-id=" | 1333 | to·<code·class="inline">1.0</code>,·with·<code·class="inline">+0.0</code>·meaning·no·similarity·and·<code·class="inline">1.0</code>·meaning·an·exact·match.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">jaro_similarity</span><span·class="p"·data-group-id="9092198287-1">(</span><span·class="s">"ditto"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"ditto"</span><span·class="p"·data-group-id="9092198287-1">)</span><span·class="p">.</span><span·class="w"> |
| 1334 | </span><span·class="mf">1.0</span><span·class="gp·unselectable"> | 1334 | </span><span·class="mf">1.0</span><span·class="gp·unselectable"> |
| 1335 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">jaro_similarity</span><span·class="p"·data-group-id=" | 1335 | 2>·</span><span·class="nc">string</span><span·class="p">:</span><span·class="nf">jaro_similarity</span><span·class="p"·data-group-id="9092198287-2">(</span><span·class="s">"foo"</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"bar"</span><span·class="p"·data-group-id="9092198287-2">)</span><span·class="p">.</span><span·class="w"> |
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| 154 | left.</p><p><a·href=""·id="sup_flags"></a></p><h3·id="module-supervisor-flags"·class="section-heading"> | 154 | left.</p><p><a·href=""·id="sup_flags"></a></p><h3·id="module-supervisor-flags"·class="section-heading"> |
| 155 | ··<a·href="#module-supervisor-flags"·class="hover-link"> | 155 | ··<a·href="#module-supervisor-flags"·class="hover-link"> |
| 156 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 156 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 157 | ··</a> | 157 | ··</a> |
| 158 | ··<span·class="text">Supervisor·flags</span> | 158 | ··<span·class="text">Supervisor·flags</span> |
| 159 | </h3> | 159 | </h3> |
| 160 | <p>The·supervisor·properties·are·defined·by·the·supervisor·flags.·The·type | 160 | <p>The·supervisor·properties·are·defined·by·the·supervisor·flags.·The·type |
| 161 | definition·for·the·supervisor·flags·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">sup_flags</span><span·class="p"·data-group-id=" | 161 | definition·for·the·supervisor·flags·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">sup_flags</span><span·class="p"·data-group-id="6339199189-1">(</span><span·class="p"·data-group-id="6339199189-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6339199189-2">#{</span><span·class="ss">strategy</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·179,·SHA:·5f58ba59df056cb0478b9eefbe65e6af707082dbaa93ef2ddeb0c6da14fa24e0·...·]-3">)</span><span·class="p">,</span><span·class="w">···········</span><span·class="c1">%·optional</span><span·class="w"> |
| 162 | ················</span><span·class="ss">intensity</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">non_neg_integer</span><span·class="p"·data-group-id=" | 162 | ················</span><span·class="ss">intensity</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">non_neg_integer</span><span·class="p"·data-group-id="6339199189-4">(</span><span·class="p"·data-group-id="6339199189-4">)</span><span·class="p">,</span><span·class="w">···</span><span·class="c1">%·optional</span><span·class="w"> |
| 163 | ················</span><span·class="ss">period</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">pos_integer</span><span·class="p"·data-group-id=" | 163 | ················</span><span·class="ss">period</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">pos_integer</span><span·class="p"·data-group-id="6339199189-5">(</span><span·class="p"·data-group-id="6339199189-5">)</span><span·class="p">,</span><span·class="w">··········</span><span·class="c1">%·optional</span><span·class="w"> |
| 164 | ················</span><span·class="ss">auto_shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">auto_shutdown</span><span·class="p"·data-group-id=" | 164 | ················</span><span·class="ss">auto_shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">auto_shutdown</span><span·class="p"·data-group-id="6339199189-6">(</span><span·class="p"·data-group-id="6339199189-6">)</span><span·class="p"·data-group-id="6339199189-2">}</span><span·class="w">·</span><span·class="c1">%·optional</span></code></pre><h4>Restart·Strategies</h4><p>A·supervisor·can·have·one·of·the·following·<em>restart·strategies</em>·specified·with |
| 165 | the·<code·class="inline">strategy</code>·key·in·the·above·map:</p><ul><li><p><code·class="inline">one_for_one</code>·-·If·one·child·process·terminates·and·is·to·be·restarted,·only | 165 | the·<code·class="inline">strategy</code>·key·in·the·above·map:</p><ul><li><p><code·class="inline">one_for_one</code>·-·If·one·child·process·terminates·and·is·to·be·restarted,·only |
| 166 | that·child·process·is·affected.·This·is·the·default·restart·strategy.</p></li><li><p><code·class="inline">one_for_all</code>·-·If·one·child·process·terminates·and·is·to·be·restarted,·all | 166 | that·child·process·is·affected.·This·is·the·default·restart·strategy.</p></li><li><p><code·class="inline">one_for_all</code>·-·If·one·child·process·terminates·and·is·to·be·restarted,·all |
| 167 | other·child·processes·are·terminated·and·then·all·child·processes·are | 167 | other·child·processes·are·terminated·and·then·all·child·processes·are |
| 168 | restarted.</p></li><li><p><code·class="inline">rest_for_one</code>·-·If·one·child·process·terminates·and·is·to·be·restarted,·the | 168 | restarted.</p></li><li><p><code·class="inline">rest_for_one</code>·-·If·one·child·process·terminates·and·is·to·be·restarted,·the |
| 169 | 'rest'·of·the·child·processes·(that·is,·the·child·processes·after·the | 169 | 'rest'·of·the·child·processes·(that·is,·the·child·processes·after·the |
| 170 | terminated·child·process·in·the·start·order)·are·terminated.·Then·the | 170 | terminated·child·process·in·the·start·order)·are·terminated.·Then·the |
| 171 | terminated·child·process·and·all·child·processes·after·it·are·restarted.</p></li><li><p><code·class="inline">simple_one_for_one</code>·-·A·simplified·<code·class="inline">one_for_one</code>·supervisor,·where·all·child | 171 | terminated·child·process·and·all·child·processes·after·it·are·restarted.</p></li><li><p><code·class="inline">simple_one_for_one</code>·-·A·simplified·<code·class="inline">one_for_one</code>·supervisor,·where·all·child |
| Offset 201, 21 lines modified | Offset 201, 21 lines modified | ||
| 201 | the·automatic·shutdowns·they·rely·on·will·not·happen.</p><p>It·is·up·to·implementors·to·take·proper·precautions·if·they·expect·that·their | 201 | the·automatic·shutdowns·they·rely·on·will·not·happen.</p><p>It·is·up·to·implementors·to·take·proper·precautions·if·they·expect·that·their |
| 202 | applications·may·be·compiled·with·older·OTP·versions.</p></section><p><a·href=""·id="child_spec"></a></p><h3·id="module-child-specification"·class="section-heading"> | 202 | applications·may·be·compiled·with·older·OTP·versions.</p></section><p><a·href=""·id="child_spec"></a></p><h3·id="module-child-specification"·class="section-heading"> |
| 203 | ··<a·href="#module-child-specification"·class="hover-link"> | 203 | ··<a·href="#module-child-specification"·class="hover-link"> |
| 204 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 204 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 205 | ··</a> | 205 | ··</a> |
| 206 | ··<span·class="text">Child·specification</span> | 206 | ··<span·class="text">Child·specification</span> |
| 207 | </h3> | 207 | </h3> |
| 208 | <p>The·type·definition·of·a·child·specification·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">child_spec</span><span·class="p"·data-group-id=" | 208 | <p>The·type·definition·of·a·child·specification·is·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">child_spec</span><span·class="p"·data-group-id="6501208538-1">(</span><span·class="p"·data-group-id="6501208538-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6501208538-2">#{</span><span·class="ss">id</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·173,·SHA:·3bb46a87a945563b0fd9bcb2ff622b7a5c1bb6473fad6bba84d6da37097caa40·...·]-3">)</span><span·class="p">,</span><span·class="w">·············</span><span·class="c1">%·mandatory</span><span·class="w"> |
| 209 | ·················</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">mfargs</span><span·class="p"·data-group-id=" | 209 | ·················</span><span·class="ss">start</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">mfargs</span><span·class="p"·data-group-id="6501208538-4">(</span><span·class="p"·data-group-id="6501208538-4">)</span><span·class="p">,</span><span·class="w">············</span><span·class="c1">%·mandatory</span><span·class="w"> |
| 210 | ·················</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">restart</span><span·class="p"·data-group-id=" | 210 | ·················</span><span·class="ss">restart</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">restart</span><span·class="p"·data-group-id="6501208538-5">(</span><span·class="p"·data-group-id="6501208538-5">)</span><span·class="p">,</span><span·class="w">·········</span><span·class="c1">%·optional</span><span·class="w"> |
| 211 | ·················</span><span·class="ss">significant</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">significant</span><span·class="p"·data-group-id=" | 211 | ·················</span><span·class="ss">significant</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">significant</span><span·class="p"·data-group-id="6501208538-6">(</span><span·class="p"·data-group-id="6501208538-6">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·optional</span><span·class="w"> |
| 212 | ·················</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">shutdown</span><span·class="p"·data-group-id=" | 212 | ·················</span><span·class="ss">shutdown</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">shutdown</span><span·class="p"·data-group-id="6501208538-7">(</span><span·class="p"·data-group-id="6501208538-7">)</span><span·class="p">,</span><span·class="w">·······</span><span·class="c1">%·optional</span><span·class="w"> |
| 213 | ·················</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">worker</span><span·class="p"·data-group-id=" | 213 | ·················</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">worker</span><span·class="p"·data-group-id="6501208538-8">(</span><span·class="p"·data-group-id="6501208538-8">)</span><span·class="p">,</span><span·class="w">·············</span><span·class="c1">%·optional</span><span·class="w"> |
| 214 | ·················</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">modules</span><span·class="p"·data-group-id=" | 214 | ·················</span><span·class="ss">modules</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="nf">modules</span><span·class="p"·data-group-id="6501208538-9">(</span><span·class="p"·data-group-id="6501208538-9">)</span><span·class="p"·data-group-id="6501208538-2">}</span><span·class="w">·········</span><span·class="c1">%·optional</span></code></pre><p>The·old·tuple·format·is·kept·for·backwards·compatibility,·see·<a·href="#t:child_spec/0"><code·class="inline">child_spec/0</code></a>, |
| 215 | but·the·map·is·preferred.</p><ul><li><p><code·class="inline">id</code>·is·used·to·identify·the·child·specification·internally·by·the·supervisor.</p><p>The·<code·class="inline">id</code>·key·is·mandatory.</p><p>Notice·that·this·identifier·on·occations·has·been·called·"name".·As·far·as | 215 | but·the·map·is·preferred.</p><ul><li><p><code·class="inline">id</code>·is·used·to·identify·the·child·specification·internally·by·the·supervisor.</p><p>The·<code·class="inline">id</code>·key·is·mandatory.</p><p>Notice·that·this·identifier·on·occations·has·been·called·"name".·As·far·as |
| 216 | possible,·the·terms·"identifier"·or·"id"·are·now·used·but·to·keep·backward | 216 | possible,·the·terms·"identifier"·or·"id"·are·now·used·but·to·keep·backward |
| 217 | compatibility,·some·occurences·of·"name"·can·still·be·found,·for·example·in | 217 | compatibility,·some·occurences·of·"name"·can·still·be·found,·for·example·in |
| 218 | error·messages.</p></li><li><p><code·class="inline">start</code>·defines·the·function·call·used·to·start·the·child·process.·It·must·be | 218 | error·messages.</p></li><li><p><code·class="inline">start</code>·defines·the·function·call·used·to·start·the·child·process.·It·must·be |
| 219 | a·module-function-arguments·tuple·<code·class="inline">{M,F,A}</code>·used·as | 219 | a·module-function-arguments·tuple·<code·class="inline">{M,F,A}</code>·used·as |
| 220 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(M,F,A)</code></a>.</p><p>The·start·function·<em>must·create·and·link·to</em>·the·child·process,·and·must | 220 | <a·href="../../../../erts-15.2.3/doc/html/erlang.html#apply/3"><code·class="inline">apply(M,F,A)</code></a>.</p><p>The·start·function·<em>must·create·and·link·to</em>·the·child·process,·and·must |
| 221 | return·<code·class="inline">{ok,Child}</code>·or·<code·class="inline">{ok,Child,Info}</code>,·where·<code·class="inline">Child</code>·is·the·pid·of·the | 221 | return·<code·class="inline">{ok,Child}</code>·or·<code·class="inline">{ok,Child,Info}</code>,·where·<code·class="inline">Child</code>·is·the·pid·of·the |
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| 1738 | ······<p·class="built-using"> | 1738 | ······<p·class="built-using"> |
| 1739 | ········Built·using | 1739 | ········Built·using |
| 1740 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1740 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1741 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1741 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1742 | ······</p> | 1742 | ······</p> |
| 1743 | <p>Copyright·©·1996-202 | 1743 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1744 | ····</footer> | 1744 | ····</footer> |
| 1745 | ··</div> | 1745 | ··</div> |
| 1746 | </main> | 1746 | </main> |
| 1747 | </div> | 1747 | </div> |
| 1748 | <script> | 1748 | <script> |
| 1749 | ··function·mermaidLoaded()·{ | 1749 | ··function·mermaidLoaded()·{ |
| 1750 | ····mermaid.initialize({ | 1750 | ····mermaid.initialize({ |
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| 407 | ······<p·class="built-using"> | 407 | ······<p·class="built-using"> |
| 408 | ········Built·using | 408 | ········Built·using |
| 409 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 409 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 410 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 410 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 411 | ······</p> | 411 | ······</p> |
| 412 | <p>Copyright·©·1996-202 | 412 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 413 | ····</footer> | 413 | ····</footer> |
| 414 | ··</div> | 414 | ··</div> |
| 415 | </main> | 415 | </main> |
| 416 | </div> | 416 | </div> |
| 417 | <script> | 417 | <script> |
| 418 | ··function·mermaidLoaded()·{ | 418 | ··function·mermaidLoaded()·{ |
| 419 | ····mermaid.initialize({ | 419 | ····mermaid.initialize({ |
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| 2229 | ······<p·class="built-using"> | 2229 | ······<p·class="built-using"> |
| 2230 | ········Built·using | 2230 | ········Built·using |
| 2231 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2231 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2232 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2232 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2233 | ······</p> | 2233 | ······</p> |
| 2234 | <p>Copyright·©·1996-202 | 2234 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2235 | ····</footer> | 2235 | ····</footer> |
| 2236 | ··</div> | 2236 | ··</div> |
| 2237 | </main> | 2237 | </main> |
| 2238 | </div> | 2238 | </div> |
| 2239 | <script> | 2239 | <script> |
| 2240 | ··function·mermaidLoaded()·{ | 2240 | ··function·mermaidLoaded()·{ |
| 2241 | ····mermaid.initialize({ | 2241 | ····mermaid.initialize({ |
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| 142 | <a·href="../../../../erts-15.2.3/doc/html/time_correction.html"><em>Time·and·Time·Correction·in·Erlang</em></a> | 142 | <a·href="../../../../erts-15.2.3/doc/html/time_correction.html"><em>Time·and·Time·Correction·in·Erlang</em></a> |
| 143 | ERTS·User's·guide.</p><h2·id="module-examples"·class="section-heading"> | 143 | ERTS·User's·guide.</p><h2·id="module-examples"·class="section-heading"> |
| 144 | ··<a·href="#module-examples"·class="hover-link"> | 144 | ··<a·href="#module-examples"·class="hover-link"> |
| 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 146 | ··</a> | 146 | ··</a> |
| 147 | ··<span·class="text">Examples</span> | 147 | ··<span·class="text">Examples</span> |
| 148 | </h2> | 148 | </h2> |
| 149 | <p><em>Example·1</em></p><p>The·following·example·shows·how·to·print·"Hello·World!"·in·5·seconds:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">apply_after</span><span·class="p"·data-group-id=" | 149 | <p><em>Example·1</em></p><p>The·following·example·shows·how·to·print·"Hello·World!"·in·5·seconds:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">apply_after</span><span·class="p"·data-group-id="5051071195-1">(</span><span·class="mi">5000</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">io</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">format</span><span·class="p">,</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·440,·SHA:·534a9fa4d81e4e90bdeaaaf032d861211714caf0a2482b4d85639b0796f635c2·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 150 | </span><span·class="p"·data-group-id=" | 150 | </span><span·class="p"·data-group-id="5051071195-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">TRef</span><span·class="p"·data-group-id="5051071195-4">}</span><span·class="w"> |
| 151 | </span><span·class="n">Hello</span><span·class="w">·</span><span·class="n">World</span><span·class="o">!</span></code></pre><p><em>Example·2</em></p><p>The·following·example·shows·a·process·performing·a·certain·action,·and·if·this | 151 | </span><span·class="n">Hello</span><span·class="w">·</span><span·class="n">World</span><span·class="o">!</span></code></pre><p><em>Example·2</em></p><p>The·following·example·shows·a·process·performing·a·certain·action,·and·if·this |
| 152 | action·is·not·completed·within·a·certain·limit,·the·process·is·killed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Pid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 152 | action·is·not·completed·within·a·certain·limit,·the·process·is·killed:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Pid</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn</span><span·class="p"·data-group-id="1537101171-1">(</span><span·class="ss">mod</span><span·class="p">,</span><span·class="w">·</span><span·class="k">fun</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1537101171-2">[</span><span·class="ss">foo</span><span[·...·truncated·by·diffoscope;·len:·164,·SHA:·e660dcaa9a61aff79a8207d7ef370584d802859b3dbb61fe183b56e44dc6d4c5·...·]-1">)</span><span·class="p">,</span><span·class="w"> |
| 153 | </span><span·class="c1">%%·If·pid·is·not·finished·in·10·seconds,·kill·him</span><span·class="w"> | 153 | </span><span·class="c1">%%·If·pid·is·not·finished·in·10·seconds,·kill·him</span><span·class="w"> |
| 154 | </span><span·class="p"·data-group-id=" | 154 | </span><span·class="p"·data-group-id="1537101171-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">R</span><span·class="p"·data-group-id="1537101171-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·460,·SHA:·13c2758d6c8c0884ce2eded9bf9d6de52252fcb63aaf020508f636e6b71c94e9·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 155 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 155 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 156 | </span><span·class="c1">%%·We·change·our·mind...</span><span·class="w"> | 156 | </span><span·class="c1">%%·We·change·our·mind...</span><span·class="w"> |
| 157 | </span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">cancel</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">cancel</span><span·class="p"·data-group-id="1537101171-6">(</span><span·class="n">R</span><span·class="p"·data-group-id="1537101171-6">)</span><span·class="p">,</span><span·class="w"> |
| 158 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h2·id="module-notes"·class="section-heading"> | 158 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h2·id="module-notes"·class="section-heading"> |
| 159 | ··<a·href="#module-notes"·class="hover-link"> | 159 | ··<a·href="#module-notes"·class="hover-link"> |
| 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 160 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 161 | ··</a> | 161 | ··</a> |
| 162 | ··<span·class="text">Notes</span> | 162 | ··<span·class="text">Notes</span> |
| 163 | </h2> | 163 | </h2> |
| 164 | <p>A·timer·can·always·be·removed·by·calling·<a·href="#cancel/1"><code·class="inline">cancel/1</code></a>.</p><p>An·interval·timer,·that·is,·a·timer·created·by·evaluating·any·of·the·functions | 164 | <p>A·timer·can·always·be·removed·by·calling·<a·href="#cancel/1"><code·class="inline">cancel/1</code></a>.</p><p>An·interval·timer,·that·is,·a·timer·created·by·evaluating·any·of·the·functions |
| Offset 177, 28 lines modified | Offset 177, 28 lines modified | ||
| 177 | process,·and·therefore·calls·to·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>·in·those·functions·will·return·the·Pid | 177 | process,·and·therefore·calls·to·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>·in·those·functions·will·return·the·Pid |
| 178 | of·this·process,·which·is·different·from·the·process·that·called | 178 | of·this·process,·which·is·different·from·the·process·that·called |
| 179 | <code·class="inline">timer:apply_*</code>.</p><p><em>Example</em></p><p>In·the·following·example,·the·intention·is·to·set·a·timer·to·execute·a·function | 179 | <code·class="inline">timer:apply_*</code>.</p><p><em>Example</em></p><p>In·the·following·example,·the·intention·is·to·set·a·timer·to·execute·a·function |
| 180 | after·1·second,·which·performs·a·fictional·task,·and·then·wants·to·inform·the | 180 | after·1·second,·which·performs·a·fictional·task,·and·then·wants·to·inform·the |
| 181 | process·which·set·the·timer·about·its·completion,·by·sending·it·a·<code·class="inline">done</code> | 181 | process·which·set·the·timer·about·its·completion,·by·sending·it·a·<code·class="inline">done</code> |
| 182 | message.</p><p>Using·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>·<em>inside</em>·the·timed·function,·the·code·below·does·not·work·as | 182 | message.</p><p>Using·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>·<em>inside</em>·the·timed·function,·the·code·below·does·not·work·as |
| 183 | intended.·The·task·gets·done,·but·the·<code·class="inline">done</code>·message·gets·sent·to·the·wrong | 183 | intended.·The·task·gets·done,·but·the·<code·class="inline">done</code>·message·gets·sent·to·the·wrong |
| 184 | process·and·is·lost.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">apply_after</span><span·class="p"·data-group-id=" | 184 | process·and·is·lost.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">apply_after</span><span·class="p"·data-group-id="4837046558-1">(</span><span·class="mi">1000</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="4837046558-2">(</span><span·class="p"·data-group-id="4837046558-2">)</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·566,·SHA:·022d1da9e3573c46dccf3b77f8821d36cc34b5cb35d351ab1cdf37362da45eff·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 185 | </span><span·class="p"·data-group-id=" | 185 | </span><span·class="p"·data-group-id="4837046558-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">TRef</span><span·class="p"·data-group-id="4837046558-5">}</span><span·class="gp·unselectable"> |
| 186 | 2>·</span><span·class="k">receive</span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">timeout</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 186 | 2>·</span><span·class="k">receive</span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">timeout</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 187 | </span><span·class="c1">%%·...·5s·pass...</span><span·class="w"> | 187 | </span><span·class="c1">%%·...·5s·pass...</span><span·class="w"> |
| 188 | </span><span·class="ss">timeout</span></code></pre><p>The·code·below·calls·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>·in·the·process·which·sets·the·timer·and·assigns·it | 188 | </span><span·class="ss">timeout</span></code></pre><p>The·code·below·calls·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#self/0"><code·class="inline">self/0</code></a>·in·the·process·which·sets·the·timer·and·assigns·it |
| 189 | to·a·variable,·which·is·then·used·in·the·function·to·send·the·<code·class="inline">done</code>·message·to, | 189 | to·a·variable,·which·is·then·used·in·the·function·to·send·the·<code·class="inline">done</code>·message·to, |
| 190 | and·so·works·as·intended.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Target</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id=" | 190 | and·so·works·as·intended.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="n">Target</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="3323997795-1">(</span><span·class="p"·data-group-id="3323997795-1">)</span><span·class="w"> |
| 191 | </span><span·class="o"><</span><span·class="mf">0.82</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> | 191 | </span><span·class="o"><</span><span·class="mf">0.82</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="gp·unselectable"> |
| 192 | 2>·</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">apply_after</span><span·class="p"·data-group-id=" | 192 | 2>·</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">apply_after</span><span·class="p"·data-group-id="3323997795-2">(</span><span·class="mi">1000</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="3323997795-3">(</span><span·class="p"·data-group-id="3323997795-3">)</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·460,·SHA:·ba3e6b9433cf829b713c2aa12946e70bbb77f8b89886fbf93aed7707e4ec7740·...·]5-2">)</span><span·class="p">.</span><span·class="w"> |
| 193 | </span><span·class="p"·data-group-id=" | 193 | </span><span·class="p"·data-group-id="3323997795-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">TRef</span><span·class="p"·data-group-id="3323997795-5">}</span><span·class="gp·unselectable"> |
| 194 | 3>·</span><span·class="k">receive</span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">timeout</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 194 | 3>·</span><span·class="k">receive</span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">timeout</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 195 | </span><span·class="c1">%%·...·1s·passes...</span><span·class="w"> | 195 | </span><span·class="c1">%%·...·1s·passes...</span><span·class="w"> |
| 196 | </span><span·class="ss">done</span></code></pre><p>Another·option·is·to·pass·the·message·target·as·a·parameter·to·the·function.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">apply_after</span><span·class="p"·data-group-id=" | 196 | </span><span·class="ss">done</span></code></pre><p>Another·option·is·to·pass·the·message·target·as·a·parameter·to·the·function.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">apply_after</span><span·class="p"·data-group-id="5586817581-1">(</span><span·class="mi">1000</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="5586817581-2">(</span><span·class="n">Target</span><span·class="p"·data-group-id="5586817581-2">)</s[·...·truncated·by·diffoscope;·len:·778,·SHA:·cb440f06dd907a89bba12d6b26e328a0a8ffe20d871a07db9f1374e13c6ae704·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 197 | </span><span·class="p"·data-group-id=" | 197 | </span><span·class="p"·data-group-id="5586817581-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">TRef</span><span·class="p"·data-group-id="5586817581-6">}</span><span·class="gp·unselectable"> |
| 198 | 2>·</span><span·class="k">receive</span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">timeout</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 198 | 2>·</span><span·class="k">receive</span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">done</span><span·class="w">·</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">5000</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">timeout</span><span·class="w">·</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 199 | </span><span·class="c1">%%·...·1s·passes...</span><span·class="w"> | 199 | </span><span·class="c1">%%·...·1s·passes...</span><span·class="w"> |
| 200 | </span><span·class="ss">done</span></code></pre> | 200 | </span><span·class="ss">done</span></code></pre> |
| 201 | ····</section> | 201 | ····</section> |
| 202 | </div> | 202 | </div> |
| Offset 1577, 15 lines modified | Offset 1577, 15 lines modified | ||
| 1577 | ······<p·class="built-using"> | 1577 | ······<p·class="built-using"> |
| 1578 | ········Built·using | 1578 | ········Built·using |
| 1579 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1579 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1580 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1580 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1581 | ······</p> | 1581 | ······</p> |
| 1582 | <p>Copyright·©·1996-202 | 1582 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1583 | ····</footer> | 1583 | ····</footer> |
| 1584 | ··</div> | 1584 | ··</div> |
| 1585 | </main> | 1585 | </main> |
| 1586 | </div> | 1586 | </div> |
| 1587 | <script> | 1587 | <script> |
| 1588 | ··function·mermaidLoaded()·{ | 1588 | ··function·mermaidLoaded()·{ |
| 1589 | ····mermaid.initialize({ | 1589 | ····mermaid.initialize({ |
| Offset 1031, 21 lines modified | Offset 1031, 21 lines modified | ||
| 1031 | binaries·in·other·ways·are·split·on·non-UTF·character·boundaries.·An | 1031 | binaries·in·other·ways·are·split·on·non-UTF·character·boundaries.·An |
| 1032 | <code·class="inline">incomplete</code>·tuple·is·then·returned·instead·of·the·<code·class="inline">error</code>·tuple.·It·consists·of | 1032 | <code·class="inline">incomplete</code>·tuple·is·then·returned·instead·of·the·<code·class="inline">error</code>·tuple.·It·consists·of |
| 1033 | the·same·parts·as·the·<code·class="inline">error</code>·tuple,·but·the·tag·is·<code·class="inline">incomplete</code>·instead·of | 1033 | the·same·parts·as·the·<code·class="inline">error</code>·tuple,·but·the·tag·is·<code·class="inline">incomplete</code>·instead·of |
| 1034 | <code·class="inline">error</code>·and·the·last·element·is·always·guaranteed·to·be·a·binary·consisting·of | 1034 | <code·class="inline">error</code>·and·the·last·element·is·always·guaranteed·to·be·a·binary·consisting·of |
| 1035 | the·first·part·of·a·(so·far)·valid·UTF·character.</p><p>If·one·UTF·character·is·split·over·two·consecutive·binaries·in·the·<code·class="inline">Data</code>,·the | 1035 | the·first·part·of·a·(so·far)·valid·UTF·character.</p><p>If·one·UTF·character·is·split·over·two·consecutive·binaries·in·the·<code·class="inline">Data</code>,·the |
| 1036 | conversion·succeeds.·This·means·that·a·character·can·be·decoded·from·a·range·of | 1036 | conversion·succeeds.·This·means·that·a·character·can·be·decoded·from·a·range·of |
| 1037 | binaries·as·long·as·the·whole·range·is·specified·as·input·without·errors | 1037 | binaries·as·long·as·the·whole·range·is·specified·as·input·without·errors |
| 1038 | occurring.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">decode_data</span><span·class="p"·data-group-id=" | 1038 | occurring.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">decode_data</span><span·class="p"·data-group-id="0261782691-1">(</span><span·class="n">Data</span><span·class="p"·data-group-id="0261782691-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1039 | ···</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_list</span><span·class="p"·data-group-id=" | 1039 | ···</span><span·class="k">case</span><span·class="w">·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_list</span><span·class="p"·data-group-id="0261782691-2">(</span><span·class="n">Data</span><span·class="p">,</span><span·class="ss">unicode</span><span·class="p"·data-group-id="0261782691-2">)</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 1040 | ······</span><span·class="p"·data-group-id=" | 1040 | ······</span><span·class="p"·data-group-id="0261782691-3">{</span><span·class="ss">incomplete</span><span·class="p">,</span><span·class="n">Encoded</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Rest</span><span·class="p"·data-group-id="0261782691-3">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1041 | ············</span><span·class="n">More</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">get_some_more_data</span><span·class="p"·data-group-id=" | 1041 | ············</span><span·class="n">More</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">get_some_more_data</span><span·class="p"·data-group-id="0261782691-4">(</span><span·class="p"·data-group-id="0261782691-4">)</span><span·class="p">,</span><span·class="w"> |
| 1042 | ············</span><span·class="n">Encoded</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="nf">decode_data</span><span·class="p"·data-group-id=" | 1042 | ············</span><span·class="n">Encoded</span><span·class="w">·</span><span·class="o">++</span><span·class="w">·</span><span·class="nf">decode_data</span><span·class="p"·data-group-id="0261782691-5">(</span><span·class="p"·data-group-id="0261782691-6">[</span><span·class="n">Rest</span><span·class="p">,</span><span·class="w">·</span><span·class="n">More</span><span·class="p"·data-group-id="0261782691-6">]</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·fc00dca7bc8be58aaba5f5438fd03853c860479d571dcdf97f6185e4137cd2dd·...·]-5">)</span><span·class="p">;</span><span·class="w"> |
| 1043 | ······</span><span·class="p"·data-group-id=" | 1043 | ······</span><span·class="p"·data-group-id="0261782691-7">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="n">Encoded</span><span·class="p">,</span><span·class="n">Rest</span><span·class="p"·data-group-id="0261782691-7">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1044 | ············</span><span·class="nf">handle_error</span><span·class="p"·data-group-id=" | 1044 | ············</span><span·class="nf">handle_error</span><span·class="p"·data-group-id="0261782691-8">(</span><span·class="n">Encoded</span><span·class="p">,</span><span·class="n">Rest</span><span·class="p"·data-group-id="0261782691-8">)</span><span·class="p">;</span><span·class="w"> |
| 1045 | ······</span><span·class="n">List</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 1045 | ······</span><span·class="n">List</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 1046 | ············</span><span·class="n">List</span><span·class="w"> | 1046 | ············</span><span·class="n">List</span><span·class="w"> |
| 1047 | ···</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>However,·bit·strings·that·are·not·whole·bytes·are·not·allowed,·so·a·UTF | 1047 | ···</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>However,·bit·strings·that·are·not·whole·bytes·are·not·allowed,·so·a·UTF |
| 1048 | character·must·be·split·along·8-bit·boundaries·to·ever·be·decoded.</p><p>A·<code·class="inline">badarg</code>·exception·is·thrown·for·the·following·cases:</p><ul><li>Any·parameters·are·of·the·wrong·type.</li><li>The·list·structure·is·invalid·(a·number·as·tail).</li><li>The·binaries·do·not·contain·whole·bytes·(bit·strings).</li></ul> | 1048 | character·must·be·split·along·8-bit·boundaries·to·ever·be·decoded.</p><p>A·<code·class="inline">badarg</code>·exception·is·thrown·for·the·following·cases:</p><ul><li>Any·parameters·are·of·the·wrong·type.</li><li>The·list·structure·is·invalid·(a·number·as·tail).</li><li>The·binaries·do·not·contain·whole·bytes·(bit·strings).</li></ul> |
| 1049 | ··</section> | 1049 | ··</section> |
| 1050 | </section> | 1050 | </section> |
| 1051 | <section·class="detail"·id="characters_to_nfc_binary/1"> | 1051 | <section·class="detail"·id="characters_to_nfc_binary/1"> |
| Offset 1070, 16 lines modified | Offset 1070, 16 lines modified | ||
| 1070 | ······<div·class="specs"> | 1070 | ······<div·class="specs"> |
| 1071 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfc_binary(<a·href="#t:chardata/0">chardata</a>())·->·<a·href="#t:unicode_binary/0">unicode_binary</a>()·|·{error,·<a·href="#t:unicode_binary/0">unicode_binary</a>(),·<a·href="#t:chardata/0">chardata</a>()}.</pre> | 1071 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfc_binary(<a·href="#t:chardata/0">chardata</a>())·->·<a·href="#t:unicode_binary/0">unicode_binary</a>()·|·{error,·<a·href="#t:unicode_binary/0">unicode_binary</a>(),·<a·href="#t:chardata/0">chardata</a>()}.</pre> |
| 1072 | ······</div> | 1072 | ······</div> |
| 1073 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form | 1073 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form |
| 1074 | of·canonical·equivalent·Composed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·an·utf8·encoded·binary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfc_binary</span><span·class="p"·data-group-id=" | 1074 | of·canonical·equivalent·Composed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·an·utf8·encoded·binary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfc_binary</span><span·class="p"·data-group-id="6503590175-1">(</span><span·class="p"·data-group-id="6503590175-2">[</span><span·class="p"·data-group-id="6503590175-3"><<</span><span·class="s">"abc..a"</span><span·class="p"·data-group-id="6503590175-3">>></span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·645,·SHA:·88ca996acc8ff963316c19da6eb351c94236c384c14725d916187e6b9da13613·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1075 | </span><span·class="p"·data-group-id=" | 1075 | </span><span·class="p"·data-group-id="6503590175-7"><<</span><span·class="s">"abc..åäö"</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="6503590175-7">>></span></code></pre> |
| 1076 | ··</section> | 1076 | ··</section> |
| 1077 | </section> | 1077 | </section> |
| 1078 | <section·class="detail"·id="characters_to_nfc_list/1"> | 1078 | <section·class="detail"·id="characters_to_nfc_list/1"> |
| 1079 | ··<div·class="detail-header"> | 1079 | ··<div·class="detail-header"> |
| 1080 | ····<a·href="#characters_to_nfc_list/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1080 | ····<a·href="#characters_to_nfc_list/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1081 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1081 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1100, 15 lines modified | Offset 1100, 15 lines modified | ||
| 1100 | ······<div·class="specs"> | 1100 | ······<div·class="specs"> |
| 1101 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfc_list(<a·href="#t:chardata/0">chardata</a>())·->·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()]·|·{error,·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()],·<a·href="#t:chardata/0">chardata</a>()}.</pre> | 1101 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfc_list(<a·href="#t:chardata/0">chardata</a>())·->·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()]·|·{error,·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()],·<a·href="#t:chardata/0">chardata</a>()}.</pre> |
| 1102 | ······</div> | 1102 | ······</div> |
| 1103 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form | 1103 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form |
| 1104 | of·canonical·equivalent·Composed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·a·list·of·characters.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfc_list</span><span·class="p"·data-group-id=" | 1104 | of·canonical·equivalent·Composed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·a·list·of·characters.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfc_list</span><span·class="p"·data-group-id="8045023921-1">(</span><span·class="p"·data-group-id="8045023921-2">[</span><span·class="p"·data-group-id="8045023921-3"><<</span><span·class="s">"abc..a"</span><span·class="p"·data-group-id="8045023921-3">>></span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·644,·SHA:·f02fe613c593f2553b9c6dce42a8757a1f1e1bdd76b4d9d5b4ed0a92081a7908·...·]1-1">)</span><span·class="p">.</span><span·class="w"> |
| 1105 | </span><span·class="s">"abc..åäö"</span></code></pre> | 1105 | </span><span·class="s">"abc..åäö"</span></code></pre> |
| 1106 | ··</section> | 1106 | ··</section> |
| 1107 | </section> | 1107 | </section> |
| 1108 | <section·class="detail"·id="characters_to_nfd_binary/1"> | 1108 | <section·class="detail"·id="characters_to_nfd_binary/1"> |
| 1109 | ··<div·class="detail-header"> | 1109 | ··<div·class="detail-header"> |
| 1110 | ····<a·href="#characters_to_nfd_binary/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1110 | ····<a·href="#characters_to_nfd_binary/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1130, 16 lines modified | Offset 1130, 16 lines modified | ||
| 1130 | ······<div·class="specs"> | 1130 | ······<div·class="specs"> |
| 1131 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfd_binary(<a·href="#t:chardata/0">chardata</a>())·->·<a·href="#t:unicode_binary/0">unicode_binary</a>()·|·{error,·<a·href="#t:unicode_binary/0">unicode_binary</a>(),·<a·href="#t:chardata/0">chardata</a>()}.</pre> | 1131 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfd_binary(<a·href="#t:chardata/0">chardata</a>())·->·<a·href="#t:unicode_binary/0">unicode_binary</a>()·|·{error,·<a·href="#t:unicode_binary/0">unicode_binary</a>(),·<a·href="#t:chardata/0">chardata</a>()}.</pre> |
| 1132 | ······</div> | 1132 | ······</div> |
| 1133 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form | 1133 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form |
| 1134 | of·canonical·equivalent·Decomposed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·an·utf8·encoded·binary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfd_binary</span><span·class="p"·data-group-id=" | 1134 | of·canonical·equivalent·Decomposed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·an·utf8·encoded·binary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfd_binary</span><span·class="p"·data-group-id="7872900367-1">(</span><span·class="s">"abc..åäö"</span><span·class="p"·data-group-id="7872900367-1">)</span><span·class="p">.</span><span·class="w"> |
| 1135 | </span><span·class="p"·data-group-id=" | 1135 | </span><span·class="p"·data-group-id="7872900367-2"><<</span><span·class="mi">97</span><span·class="p">,</span><span·class="mi">98</span><span·class="p">,</span><span·class="mi">99</span><span·class="p">,</span><span·class="mi">46</span><span·class="p">,</span><span·class="mi">46</span><[·...·truncated·by·diffoscope;·len:·497,·SHA:·e108db38bb68003ff32101aa2200dbba1e8459ff26a40c5ff52443ee0519872b·...·]-2">>></span></code></pre> |
| 1136 | ··</section> | 1136 | ··</section> |
| 1137 | </section> | 1137 | </section> |
| 1138 | <section·class="detail"·id="characters_to_nfd_list/1"> | 1138 | <section·class="detail"·id="characters_to_nfd_list/1"> |
| 1139 | ··<div·class="detail-header"> | 1139 | ··<div·class="detail-header"> |
| 1140 | ····<a·href="#characters_to_nfd_list/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1140 | ····<a·href="#characters_to_nfd_list/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1141 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1141 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1160, 16 lines modified | Offset 1160, 16 lines modified | ||
| 1160 | ······<div·class="specs"> | 1160 | ······<div·class="specs"> |
| 1161 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfd_list(<a·href="#t:chardata/0">chardata</a>())·->·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()]·|·{error,·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()],·<a·href="#t:chardata/0">chardata</a>()}.</pre> | 1161 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfd_list(<a·href="#t:chardata/0">chardata</a>())·->·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()]·|·{error,·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()],·<a·href="#t:chardata/0">chardata</a>()}.</pre> |
| 1162 | ······</div> | 1162 | ······</div> |
| 1163 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form | 1163 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form |
| 1164 | of·canonical·equivalent·Decomposed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·a·list·of·characters.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfd_list</span><span·class="p"·data-group-id=" | 1164 | of·canonical·equivalent·Decomposed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·a·list·of·characters.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfd_list</span><span·class="p"·data-group-id="6329180495-1">(</span><span·class="s">"abc..åäö"</span><span·class="p"·data-group-id="6329180495-1">)</span><span·class="p">.</span><span·class="w"> |
| 1165 | </span><span·class="p"·data-group-id=" | 1165 | </span><span·class="p"·data-group-id="6329180495-2">[</span><span·class="mi">97</span><span·class="p">,</span><span·class="mi">98</span><span·class="p">,</span><span·class="mi">99</span><span·class="p">,</span><span·class="mi">46</span><span·class="p">,</span><span·class="mi">46</span><span·cl[·...·truncated·by·diffoscope;·len:·337,·SHA:·87e2c5d70adae2bba065f2c410333d174807f95da954c521ede9ec11cb8a325e·...·]-2">]</span></code></pre> |
| 1166 | ··</section> | 1166 | ··</section> |
| 1167 | </section> | 1167 | </section> |
| 1168 | <section·class="detail"·id="characters_to_nfkc_binary/1"> | 1168 | <section·class="detail"·id="characters_to_nfkc_binary/1"> |
| 1169 | ··<div·class="detail-header"> | 1169 | ··<div·class="detail-header"> |
| 1170 | ····<a·href="#characters_to_nfkc_binary/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1170 | ····<a·href="#characters_to_nfkc_binary/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1171 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1171 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1190, 16 lines modified | Offset 1190, 16 lines modified | ||
| 1190 | ······<div·class="specs"> | 1190 | ······<div·class="specs"> |
| 1191 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfkc_binary(<a·href="#t:chardata/0">chardata</a>())·->·<a·href="#t:unicode_binary/0">unicode_binary</a>()·|·{error,·<a·href="#t:unicode_binary/0">unicode_binary</a>(),·<a·href="#t:chardata/0">chardata</a>()}.</pre> | 1191 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfkc_binary(<a·href="#t:chardata/0">chardata</a>())·->·<a·href="#t:unicode_binary/0">unicode_binary</a>()·|·{error,·<a·href="#t:unicode_binary/0">unicode_binary</a>(),·<a·href="#t:chardata/0">chardata</a>()}.</pre> |
| 1192 | ······</div> | 1192 | ······</div> |
| 1193 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form | 1193 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form |
| 1194 | of·compatibly·equivalent·Composed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·an·utf8·encoded·binary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfkc_binary</span><span·class="p"·data-group-id=" | 1194 | of·compatibly·equivalent·Composed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·an·utf8·encoded·binary.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfkc_binary</span><span·class="p"·data-group-id="1953476747-1">(</span><span·class="p"·data-group-id="1953476747-2">[</span><span·class="p"·data-group-id="1953476747-3"><<</span><span·class="s">"abc..a"</span><span·class="p"·data-group-id="1953476747-3">>></span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·857,·SHA:·dbb1bce707f0e7f5b29c0d2796975016ff7d8eef9136845482585d66d40e19d3·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1195 | </span><span·class="p"·data-group-id=" | 1195 | </span><span·class="p"·data-group-id="1953476747-8"><<</span><span·class="s">"abc..åäö32"</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="1953476747-8">>></span></code></pre> |
| 1196 | ··</section> | 1196 | ··</section> |
| 1197 | </section> | 1197 | </section> |
| 1198 | <section·class="detail"·id="characters_to_nfkc_list/1"> | 1198 | <section·class="detail"·id="characters_to_nfkc_list/1"> |
| 1199 | ··<div·class="detail-header"> | 1199 | ··<div·class="detail-header"> |
| 1200 | ····<a·href="#characters_to_nfkc_list/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1200 | ····<a·href="#characters_to_nfkc_list/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1201 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1201 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1220, 15 lines modified | Offset 1220, 15 lines modified | ||
| 1220 | ······<div·class="specs"> | 1220 | ······<div·class="specs"> |
| 1221 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfkc_list(<a·href="#t:chardata/0">chardata</a>())·->·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()]·|·{error,·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()],·<a·href="#t:chardata/0">chardata</a>()}.</pre> | 1221 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfkc_list(<a·href="#t:chardata/0">chardata</a>())·->·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()]·|·{error,·[<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:char/0">char</a>()],·<a·href="#t:chardata/0">chardata</a>()}.</pre> |
| 1222 | ······</div> | 1222 | ······</div> |
| 1223 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form | 1223 | <p>Converts·a·possibly·deep·list·of·characters·and·binaries·into·a·Normalized·Form |
| 1224 | of·compatibly·equivalent·Composed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·a·list·of·characters.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfkc_list</span><span·class="p"·data-group-id="5 | 1224 | of·compatibly·equivalent·Composed·characters·according·to·the·Unicode·standard.</p><p>Any·binaries·in·the·input·must·be·encoded·with·utf8·encoding.</p><p>The·result·is·a·list·of·characters.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">unicode</span><span·class="p">:</span><span·class="nf">characters_to_nfkc_list</span><span·class="p"·data-group-id="1597207807-1">(</span><span·class="p"·data-group-id="1597207807-2">[</span><span·class="p"·data-group-id="1597207807-3"><<</span><span·class="s">"abc..a"</span><span·class="p"·data-group-id="1597207807-3">>></span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·857,·SHA:·0767824df1913f67c44a42e550734265000d4bd408c75ede19112e3c761d8553·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 1225 | </span><span·class="s">"abc..åäö32"</span></code></pre> | 1225 | </span><span·class="s">"abc..åäö32"</span></code></pre> |
| 1226 | ··</section> | 1226 | ··</section> |
| 1227 | </section> | 1227 | </section> |
| 1228 | <section·class="detail"·id="characters_to_nfkd_binary/1"> | 1228 | <section·class="detail"·id="characters_to_nfkd_binary/1"> |
| 1229 | ··<div·class="detail-header"> | 1229 | ··<div·class="detail-header"> |
| 1230 | ····<a·href="#characters_to_nfkd_binary/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1230 | ····<a·href="#characters_to_nfkd_binary/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 1251, 16 lines modified | Offset 1251, 16 lines modified | ||
| 1251 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfkd_binary(<a·href="#t:chardata/0">chardata</a>())·->·<a·href="#t:unicode_binary/0">unicode_binary</a>()·|·{error,·<a·href="#t:unicode_binary/0">unicode_binary</a>(),·<a·href="#t:chardata/0">chardata</a>()}.</pre> | 1251 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·characters_to_nfkd_binary(<a·href="#t:chardata/0">chardata</a>())·->·<a·href="#t:unicode_binary/0">unicode_binary</a>()·|·{error,·<a·href="#t:unicode_binary/0">unicode_binary</a>(),·<a·href="#t:chardata/0">chardata</a>()}.</pre> |
| 1252 | ······</div> | 1252 | ······</div> |
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| Offset 335, 28 lines modified | Offset 335, 28 lines modified | ||
| 335 | communicating·externally.·Functions·and·bit·syntax·exist·to·encode·and·decode | 335 | communicating·externally.·Functions·and·bit·syntax·exist·to·encode·and·decode |
| 336 | both·UTF-8,·UTF-16,·and·UTF-32·in·binaries.·However,·library·functions·dealing | 336 | both·UTF-8,·UTF-16,·and·UTF-32·in·binaries.·However,·library·functions·dealing |
| 337 | with·binaries·and·Unicode·in·general·only·deal·with·the·default·encoding.</p><p>Character·data·can·be·combined·from·many·sources,·sometimes·available·in·a·mix | 337 | with·binaries·and·Unicode·in·general·only·deal·with·the·default·encoding.</p><p>Character·data·can·be·combined·from·many·sources,·sometimes·available·in·a·mix |
| 338 | of·strings·and·binaries.·Erlang·has·for·long·had·the·concept·of·<code·class="inline">iodata</code>·or | 338 | of·strings·and·binaries.·Erlang·has·for·long·had·the·concept·of·<code·class="inline">iodata</code>·or |
| 339 | <code·class="inline">iolist</code>s,·where·binaries·and·lists·can·be·combined·to·represent·a·sequence·of | 339 | <code·class="inline">iolist</code>s,·where·binaries·and·lists·can·be·combined·to·represent·a·sequence·of |
| 340 | bytes.·In·the·same·way,·the·Unicode-aware·modules·often·allow·for·combinations | 340 | bytes.·In·the·same·way,·the·Unicode-aware·modules·often·allow·for·combinations |
| 341 | of·binaries·and·lists,·where·the·binaries·have·characters·encoded·in·UTF-8·and | 341 | of·binaries·and·lists,·where·the·binaries·have·characters·encoded·in·UTF-8·and |
| 342 | the·lists·contain·such·binaries·or·numbers·representing·Unicode·code·points:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">unicode_binary</span><span·class="p"·data-group-id=" | 342 | the·lists·contain·such·binaries·or·numbers·representing·Unicode·code·points:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">unicode_binary</span><span·class="p"·data-group-id="9633775382-1">(</span><span·class="p"·data-group-id="9633775382-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id="9633775382-2">(</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·15,·SHA:·a8cb4f5cc9a3158d555cfb1e859cd0fde0494a27dc2ec418d41ad285930bc38c·...·]-2">)</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="ss">characters</span><span·class="w">·</span><span·class="ss">encoded</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="n">UTF</span><span·class="o">-</span><span·class="mi">8</span><span·class="w">·</span><span·class="ss">coding</span><span·class="w">·</span><span·class="ss">standard</span><span·class="w"> |
| 343 | </span><span·class="nf">chardata</span><span·class="p"·data-group-id=" | 343 | </span><span·class="nf">chardata</span><span·class="p"·data-group-id="9633775382-3">(</span><span·class="p"·data-group-id="9633775382-3">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">charlist</span><span·class="p"·data-group-id="9633775382-4">(</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·233,·SHA:·7840a9cbcc4211a04e200d69ac4238ae69ee641c16417d875c9dc79bf45689a2·...·]-5">)</span><span·class="w"> |
| 344 | </span><span·class="nf">charlist</span><span·class="p"·data-group-id=" | 344 | </span><span·class="nf">charlist</span><span·class="p"·data-group-id="9633775382-6">(</span><span·class="p"·data-group-id="9633775382-6">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">maybe_improper_list</span><span·class="p"·data-group-id="9633775382-7">(</span><span·class="[·...·truncated·by·diffoscope;·len:·536,·SHA:·8be79ac1280f6c4788403b183ce18167fa419e12b071ed4026f6560406f687f3·...·]-10">)</span><span·class="p">,</span><span·class="w"> |
| 345 | ··</span><span·class="nf">unicode_binary</span><span·class="p"·data-group-id=" | 345 | ··</span><span·class="nf">unicode_binary</span><span·class="p"·data-group-id="9633775382-11">(</span><span·class="p"·data-group-id="9633775382-11">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">nil</span><span·class="p"·data-group-id="9633775382-12">(</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·69,·SHA:·114c5ef9912111c3ee02c55ea32501343e40ce4761a71729e781e17104a69db7·...·]-7">)</span></code></pre><p>The·module·<a·href="unicode.html"><code·class="inline">unicode</code></a>·even·supports·similar·mixes·with·binaries·containing |
| 346 | other·encodings·than·UTF-8,·but·that·is·a·special·case·to·allow·for·conversions | 346 | other·encodings·than·UTF-8,·but·that·is·a·special·case·to·allow·for·conversions |
| 347 | to·and·from·external·data:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">external_unicode_binary</span><span·class="p"·data-group-id=" | 347 | to·and·from·external·data:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">external_unicode_binary</span><span·class="p"·data-group-id="0526724168-1">(</span><span·class="p"·data-group-id="0526724168-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">binary</span><span·class="p"·data-group-id="0526724168-2">(</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·14,·SHA:·e5c0b18aaac3dd94ad73c97c4c0270d7c74839608fb154288a7012147cd8aad2·...·]8-2">)</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="ss">characters</span><span·class="w">·</span><span·class="ss">coded</span><span·class="w">·</span><span·class="ss">in</span><span·class="w">·</span><span·class="ss">a</span><span·class="w">·</span><span·class="ss">user</span><span·class="o">-</span><span·class="ss">specified</span><span·class="w"> |
| 348 | ··</span><span·class="n">Unicode</span><span·class="w">·</span><span·class="ss">encoding</span><span·class="w">·</span><span·class="ss">other</span><span·class="w">·</span><span·class="ss">than</span><span·class="w">·</span><span·class="n">UTF</span><span·class="o">-</span><span·class="mi">8</span><span·class="w">·</span><span·class="p"·data-group-id=" | 348 | ··</span><span·class="n">Unicode</span><span·class="w">·</span><span·class="ss">encoding</span><span·class="w">·</span><span·class="ss">other</span><span·class="w">·</span><span·class="ss">than</span><span·class="w">·</span><span·class="n">UTF</span><span·class="o">-</span><span·class="mi">8</span><span·class="w">·</span><span·class="p"·data-group-id="0526724168-3">(</span><span·class="n">UTF</span><span·class="o">-</span><span·class="mi">16</span><span·class="w">·</span><span·class="ow">or</span><span·class="w">·</span><span·class="n">UTF</span><span·class="o">-</span><span·class="mi">32</span><span·cl[·...·truncated·by·diffoscope;·len:·32,·SHA:·230ce2ebc2422fbf9f82aab4e8b4e920cf0de9aea4920f293ad0836f23104615·...·]8-3">)</span><span·class="w"> |
| 349 | </span><span·class="nf">external_chardata</span><span·class="p"·data-group-id=" | 349 | </span><span·class="nf">external_chardata</span><span·class="p"·data-group-id="0526724168-4">(</span><span·class="p"·data-group-id="0526724168-4">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">external_charlist</span><span·class="p"·data-group-id="0526724168-5">(</span><span·class="p"[·...·truncated·by·diffoscope;·len:·250,·SHA:·cb42fb78d6d3f288fcd7b52ee0600e2cbdda00ed030dec9d814d4882fcc934fc·...·]8-6">)</span><span·class="w"> |
| 350 | </span><span·class="nf">external_charlist</span><span·class="p"·data-group-id="5641004098-7">(</span><span·class="p"·data-group-id="5641004098-7">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">maybe_improper_list</span><span·class="p"·data-group-id="5641004098-8">(</span><span·class="nf">char</span><span·class="p"·data-group-id="5641004098-9">(</span><span·class="p"·data-group-id="5641004098-9">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">external_unicode_binary</span><span·class="p"·data-group-id="5641004098-10">(</span><span·class="p"·data-group-id="5641004098-10">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 351 | 350 | </span><span·class="nf">external_charlist</span><span·class="p"·data-group-id="0526724168-7">(</span><span·class="p"·data-group-id="0526724168-7">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">maybe_imprope[·...·truncated·by·diffoscope;·len:·489,·SHA:·5bae836e30beb7fcc450dd503636a28317b5b7b430fad601c59b9f6bfa8138b4·...·]"> | |
| 351 | ··</span><span·class="nf">external_charlist</span><span·class="p"·data-group-id="0526724168-11">(</span><span·class="p"·data-group-id="0526724168-11">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">external_unicode_binary</span><span·class="p"·data-group-id="0526724168-12">(</span><span·class="p"·data-group-id="0526724168-12">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="nf">nil</span><span·class="p"·data-group-id="0526724168-13">(</span><span·class="p"·data-group-id="0526724168-13">)</span><span·class="p"·data-group-id="0526724168-8">)</span></code></pre><h2·id="basic-language-support"·class="section-heading"> | ||
| 352 | ··<a·href="#basic-language-support"·class="hover-link"> | 352 | ··<a·href="#basic-language-support"·class="hover-link"> |
| 353 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 353 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 354 | ··</a> | 354 | ··</a> |
| 355 | ··<span·class="text">Basic·Language·Support</span> | 355 | ··<span·class="text">Basic·Language·Support</span> |
| 356 | </h2> | 356 | </h2> |
| 357 | <p><a·href=""·id="unicode_in_erlang"></a>·As·from·Erlang/OTP·R16,·Erlang·source·files·can·be | 357 | <p><a·href=""·id="unicode_in_erlang"></a>·As·from·Erlang/OTP·R16,·Erlang·source·files·can·be |
| 358 | written·in·UTF-8·or·bytewise·(<code·class="inline">latin1</code>)·encoding.·For·information·about·how·to | 358 | written·in·UTF-8·or·bytewise·(<code·class="inline">latin1</code>)·encoding.·For·information·about·how·to |
| Offset 396, 78 lines modified | Offset 396, 78 lines modified | ||
| 396 | ··<a·href="#heuristic-string-detection"·class="hover-link"> | 396 | ··<a·href="#heuristic-string-detection"·class="hover-link"> |
| 397 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 397 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 398 | ··</a> | 398 | ··</a> |
| 399 | ··<span·class="text">Heuristic·String·Detection</span> | 399 | ··<span·class="text">Heuristic·String·Detection</span> |
| 400 | </h3> | 400 | </h3> |
| 401 | <p>In·certain·output·functions·and·in·the·output·of·return·values·in·the·shell, | 401 | <p>In·certain·output·functions·and·in·the·output·of·return·values·in·the·shell, |
| 402 | Erlang·tries·to·detect·string·data·in·lists·and·binaries·heuristically. | 402 | Erlang·tries·to·detect·string·data·in·lists·and·binaries·heuristically. |
| 403 | Typically·you·will·see·heuristic·detection·in·a·situation·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id=" | 403 | Typically·you·will·see·heuristic·detection·in·a·situation·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="p"·data-group-id="0744969876-1">[</span><span·class="mi">97</span><span·class="p">,</span><span·class="mi">98</span><span·class="p">,</span><span·class="mi">99</span><span·class="p"·data-group-id="0744969876-1">]</span><span·class="p">.</span><span·class="w"> |
| 404 | </span><span·class="s">"abc"</span><span·class="gp·unselectable"> | 404 | </span><span·class="s">"abc"</span><span·class="gp·unselectable"> |
| 405 | 2>·</span><span·class="p"·data-group-id=" | 405 | 2>·</span><span·class="p"·data-group-id="0744969876-2"><<</span><span·class="mi">97</span><span·class="p">,</span><span·class="mi">98</span><span·class="p">,</span><span·class="mi">99</span><span·class="p"·data-group-id="0744969876-2">>></span><span·class="p">.</span><span·class="w"> |
| 406 | </span><span·class="p"·data-group-id=" | 406 | </span><span·class="p"·data-group-id="0744969876-3"><<</span><span·class="s">"abc"</span><span·class="p"·data-group-id="0744969876-3">>></span><span·class="gp·unselectable"> |
| 407 | 3>·</span><span·class="p"·data-group-id=" | 407 | 3>·</span><span·class="p"·data-group-id="0744969876-4"><<</span><span·class="mi">195</span><span·class="p">,</span><span·class="mi">165</span><span·class="p">,</span><span·class="mi">195</span><span·class="p">,</span><span·class="mi">164</span><span·class="p">,</span><span·class="mi">195</s[·...·truncated·by·diffoscope;·len:·96,·SHA:·b1379b6baa7487f6589a145f94e0b02bbb3da953e4af21f79d53195946e8c452·...·]-4">>></span><span·class="p">.</span><span·class="w"> |
| 408 | </span><span·class="p"·data-group-id=" | 408 | </span><span·class="p"·data-group-id="0744969876-5"><<</span><span·class="s">"åäö"</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="0744969876-5">>></span></code></pre><p>Here·the·shell·detects·lists·containing·printable·characters·or·binaries |
| 409 | containing·printable·characters·in·bytewise·or·UTF-8·encoding.·But·what·is·a | 409 | containing·printable·characters·in·bytewise·or·UTF-8·encoding.·But·what·is·a |
| 410 | printable·character?·One·view·is·that·anything·the·Unicode·standard·thinks·is | 410 | printable·character?·One·view·is·that·anything·the·Unicode·standard·thinks·is |
| 411 | printable,·is·also·printable·according·to·the·heuristic·detection.·The·result·is | 411 | printable,·is·also·printable·according·to·the·heuristic·detection.·The·result·is |
| 412 | then·that·almost·any·list·of·integers·are·deemed·a·string,·and·all·sorts·of | 412 | then·that·almost·any·list·of·integers·are·deemed·a·string,·and·all·sorts·of |
| 413 | characters·are·printed,·maybe·also·characters·that·your·terminal·lacks·in·its | 413 | characters·are·printed,·maybe·also·characters·that·your·terminal·lacks·in·its |
| 414 | font·set·(resulting·in·some·unappreciated·generic·output).·Another·way·is·to | 414 | font·set·(resulting·in·some·unappreciated·generic·output).·Another·way·is·to |
| 415 | keep·it·backward·compatible·so·that·only·the·ISO·Latin-1·character·set·is·used | 415 | keep·it·backward·compatible·so·that·only·the·ISO·Latin-1·character·set·is·used |
| 416 | to·detect·a·string.·A·third·way·is·to·let·the·user·decide·exactly·what·Unicode | 416 | to·detect·a·string.·A·third·way·is·to·let·the·user·decide·exactly·what·Unicode |
| 417 | ranges·that·are·to·be·viewed·as·characters.</p><p>As·from·Erlang/OTP·R16B·you·can·select·the·ISO·Latin-1·range·or·the·whole | 417 | ranges·that·are·to·be·viewed·as·characters.</p><p>As·from·Erlang/OTP·R16B·you·can·select·the·ISO·Latin-1·range·or·the·whole |
| 418 | Unicode·range·by·supplying·startup·flag·<code·class="inline">+pc·latin1</code>·or·<code·class="inline">+pc·unicode</code>, | 418 | Unicode·range·by·supplying·startup·flag·<code·class="inline">+pc·latin1</code>·or·<code·class="inline">+pc·unicode</code>, |
| 419 | respectively.·For·backward·compatibility,·<code·class="inline">latin1</code>·is·default.·This·only | 419 | respectively.·For·backward·compatibility,·<code·class="inline">latin1</code>·is·default.·This·only |
| 420 | controls·how·heuristic·string·detection·is·done.·More·ranges·are·expected·to·be | 420 | controls·how·heuristic·string·detection·is·done.·More·ranges·are·expected·to·be |
| 421 | added·in·the·future,·enabling·tailoring·of·the·heuristics·to·the·language·and | 421 | added·in·the·future,·enabling·tailoring·of·the·heuristics·to·the·language·and |
| 422 | region·relevant·to·the·user.</p><p>The·following·examples·show·the·two·startup·options:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">+</span><span·class="ss">pc</span><span·class="w">·</span><span·class="ss">latin1</span><span·class="w"> | 422 | region·relevant·to·the·user.</p><p>The·following·examples·show·the·two·startup·options:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">+</span><span·class="ss">pc</span><span·class="w">·</span><span·class="ss">latin1</span><span·class="w"> |
| 423 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id=" | 423 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id="9220093079-1">(</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">5.10</span><span·class="p">.</span><span·class="mi">1</span><span·class="p"·data-group-id="9220093079-1">)</span><span·class="w">·</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·782,·SHA:·9410601ba04cdce7c8217c7a207e18b075fb8b29a602518ed4c7c6a67a2ec55a·...·]-5">]</span><span·class="w"> |
| 424 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id=" | 424 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id="9220093079-6">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="9220093079-6">)</span><span·class="gp·unselectable"> |
| 425 | 1>·</span><span·class="p"·data-group-id=" | 425 | 1>·</span><span·class="p"·data-group-id="9220093079-7">[</span><span·class="mi">1024</span><span·class="p"·data-group-id="9220093079-7">]</span><span·class="p">.</span><span·class="w"> |
| 426 | </span><span·class="p"·data-group-id=" | 426 | </span><span·class="p"·data-group-id="9220093079-8">[</span><span·class="mi">1024</span><span·class="p"·data-group-id="9220093079-8">]</span><span·class="gp·unselectable"> |
| 427 | 2>·</span><span·class="p"·data-group-id=" | 427 | 2>·</span><span·class="p"·data-group-id="9220093079-9">[</span><span·class="mi">1070</span><span·class="p">,</span><span·class="mi">1085</span><span·class="p">,</span><span·class="mi">1080</span><span·class="p">,</span><span·class="mi">1082</span><span·class="p">,</span><span·class="mi">1086</spa[·...·truncated·by·diffoscope;·len:·95,·SHA:·3195f56411066a4905f5353ce593d9e793fd0ec6bf4a7ebd297596267e25a95a·...·]-9">]</span><span·class="p">.</span><span·class="w"> |
| 428 | </span><span·class="p"·data-group-id=" | 428 | </span><span·class="p"·data-group-id="9220093079-10">[</span><span·class="mi">1070</span><span·class="p">,</span><span·class="mi">1085</span><span·class="p">,</span><span·class="mi">1080</span><span·class="p">,</span><span·class="mi">1082</span><span·class="p">,</span><span·class="mi">1086</sp[·...·truncated·by·diffoscope;·len:·96,·SHA:·1ffbe90d1e445fd953f880eac4358359bd263949df2c9d35cc2c5d6730ba9ea6·...·]-10">]</span><span·class="gp·unselectable"> |
| 429 | 3>·</span><span·class="p"·data-group-id=" | 429 | 3>·</span><span·class="p"·data-group-id="9220093079-11">[</span><span·class="mi">229</span><span·class="p">,</span><span·class="mi">228</span><span·class="p">,</span><span·class="mi">246</span><span·class="p"·data-group-id="9220093079-11">]</span><span·class="p">.</span><span·class="w"> |
| 430 | </span><span·class="s">"åäö"</span><span·class="gp·unselectable"> | 430 | </span><span·class="s">"åäö"</span><span·class="gp·unselectable"> |
| 431 | 4>·</span><span·class="p"·data-group-id=" | 431 | 4>·</span><span·class="p"·data-group-id="9220093079-12"><<</span><span·class="mi">208</span><span·class="p">,</span><span·class="mi">174</span><span·class="p">,</span><span·class="mi">208</span><span·class="p">,</span><span·class="mi">189</span><span·class="p">,</span><span·class="mi">208</[·...·truncated·by·diffoscope;·len:·403,·SHA:·f6c905b49b76339a0c70435b8bd05f28870ea4c41472556d025dcac288641329·...·]-12">>></span><span·class="p">.</span><span·class="w"> |
| 432 | </span><span·class="p"·data-group-id=" | 432 | </span><span·class="p"·data-group-id="9220093079-13"><<</span><span·class="mi">208</span><span·class="p">,</span><span·class="mi">174</span><span·class="p">,</span><span·class="mi">208</span><span·class="p">,</span><span·class="mi">189</span><span·class="p">,</span><span·class="mi">208</[·...·truncated·by·diffoscope;·len:·403,·SHA:·f6c905b49b76339a0c70435b8bd05f28870ea4c41472556d025dcac288641329·...·]-13">>></span><span·class="gp·unselectable"> |
| 433 | 5>·</span><span·class="p"·data-group-id=" | 433 | 5>·</span><span·class="p"·data-group-id="9220093079-14"><<</span><span·class="mi">229</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p">,</span><span·class="mi">228</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p">,</span><span·class="mi">246[·...·truncated·by·diffoscope;·len:·100,·SHA:·220b47e595d35b1107aa280b1dba78c91b0d74346552a4d7a0d97c7fd6f8bb8e·...·]-14">>></span><span·class="p">.</span><span·class="w"> |
| 434 | </span><span·class="p"·data-group-id=" | 434 | </span><span·class="p"·data-group-id="9220093079-15"><<</span><span·class="s">"åäö"</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="9220093079-15">>></span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">+</span><span·class="ss">pc</span><span·class="w">·</span><span·class="ss">unicode</span><span·class="w"> |
| 435 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id="9 | 435 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id="2945262632-1">(</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">5.10</span><span·class="p">.</span><span·class="mi">1</span><span·class="p"·data-group-id="2945262632-1">)</span><span·class="w">·</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·782,·SHA:·a8277c91c7339a669359198e7eef374f750d7965ea107825c538aa8b25ab9a46·...·]-5">]</span><span·class="w"> |
| 436 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id="9 | 436 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id="2945262632-6">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="2945262632-6">)</span><span·class="gp·unselectable"> |
| 437 | 1>·</span><span·class="p"·data-group-id="9 | 437 | 1>·</span><span·class="p"·data-group-id="2945262632-7">[</span><span·class="mi">1024</span><span·class="p"·data-group-id="2945262632-7">]</span><span·class="p">.</span><span·class="w"> |
| 438 | </span><span·class="s">"Ѐ"</span><span·class="gp·unselectable"> | 438 | </span><span·class="s">"Ѐ"</span><span·class="gp·unselectable"> |
| 439 | 2>·</span><span·class="p"·data-group-id="9 | 439 | 2>·</span><span·class="p"·data-group-id="2945262632-8">[</span><span·class="mi">1070</span><span·class="p">,</span><span·class="mi">1085</span><span·class="p">,</span><span·class="mi">1080</span><span·class="p">,</span><span·class="mi">1082</span><span·class="p">,</span><span·class="mi">1086</spa[·...·truncated·by·diffoscope;·len:·95,·SHA:·005a32a72ece1eb1c8a605f34e429e2931e8c79e8a45d8e79688b036617a4725·...·]-8">]</span><span·class="p">.</span><span·class="w"> |
| 440 | </span><span·class="s">"Юникод"</span><span·class="gp·unselectable"> | 440 | </span><span·class="s">"Юникод"</span><span·class="gp·unselectable"> |
| 441 | 3>·</span><span·class="p"·data-group-id="9 | 441 | 3>·</span><span·class="p"·data-group-id="2945262632-9">[</span><span·class="mi">229</span><span·class="p">,</span><span·class="mi">228</span><span·class="p">,</span><span·class="mi">246</span><span·class="p"·data-group-id="2945262632-9">]</span><span·class="p">.</span><span·class="w"> |
| 442 | </span><span·class="s">"åäö"</span><span·class="gp·unselectable"> | 442 | </span><span·class="s">"åäö"</span><span·class="gp·unselectable"> |
| 443 | 4>·</span><span·class="p"·data-group-id="9 | 443 | 4>·</span><span·class="p"·data-group-id="2945262632-10"><<</span><span·class="mi">208</span><span·class="p">,</span><span·class="mi">174</span><span·class="p">,</span><span·class="mi">208</span><span·class="p">,</span><span·class="mi">189</span><span·class="p">,</span><span·class="mi">208</[·...·truncated·by·diffoscope;·len:·403,·SHA:·2c8212b6452b498219f0ccfb3a0e32288d654450b5c3b73c5acda122863cd3f8·...·]-10">>></span><span·class="p">.</span><span·class="w"> |
| 444 | </span><span·class="p"·data-group-id="9 | 444 | </span><span·class="p"·data-group-id="2945262632-11"><<</span><span·class="s">"Юникод"</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="2945262632-11">>></span><span·class="gp·unselectable"> |
| 445 | 5>·</span><span·class="p"·data-group-id="9 | 445 | 5>·</span><span·class="p"·data-group-id="2945262632-12"><<</span><span·class="mi">229</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p">,</span><span·class="mi">228</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p">,</span><span·class="mi">246[·...·truncated·by·diffoscope;·len:·100,·SHA:·8381cb3c5aef5cb97a201f3c047c8fe9d6460ee61c5099c95731a9917ffaf155·...·]-12">>></span><span·class="p">.</span><span·class="w"> |
| 446 | </span><span·class="p"·data-group-id="9 | 446 | </span><span·class="p"·data-group-id="2945262632-13"><<</span><span·class="s">"åäö"</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="2945262632-13">>></span></code></pre><p>In·the·examples,·you·can·see·that·the·default·Erlang·shell·interprets·only |
| 447 | characters·from·the·ISO·Latin1·range·as·printable·and·only·detects·lists·or | 447 | characters·from·the·ISO·Latin1·range·as·printable·and·only·detects·lists·or |
| 448 | binaries·with·those·"printable"·characters·as·containing·string·data.·The·valid | 448 | binaries·with·those·"printable"·characters·as·containing·string·data.·The·valid |
| 449 | UTF-8·binary·containing·the·Russian·word·"Юникод",·is·not·printed·as·a·string. | 449 | UTF-8·binary·containing·the·Russian·word·"Юникод",·is·not·printed·as·a·string. |
| 450 | When·started·with·all·Unicode·characters·printable·(<code·class="inline">+pc·unicode</code>),·the·shell | 450 | When·started·with·all·Unicode·characters·printable·(<code·class="inline">+pc·unicode</code>),·the·shell |
| 451 | outputs·anything·containing·printable·Unicode·data·(in·binaries,·either·UTF-8·or | 451 | outputs·anything·containing·printable·Unicode·data·(in·binaries,·either·UTF-8·or |
| 452 | bytewise·encoded)·as·string·data.</p><p>These·heuristics·are·also·used·by·<a·href="io.html#format/2"><code·class="inline">io:format/2</code></a>,·<a·href="io_lib.html#format/2"><code·class="inline">io_lib:format/2</code></a>,·and·friends | 452 | bytewise·encoded)·as·string·data.</p><p>These·heuristics·are·also·used·by·<a·href="io.html#format/2"><code·class="inline">io:format/2</code></a>,·<a·href="io_lib.html#format/2"><code·class="inline">io_lib:format/2</code></a>,·and·friends |
| 453 | when·modifier·<code·class="inline">t</code>·is·used·with·<code·class="inline">~p</code>·or·<code·class="inline">~P</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">+</span><span·class="ss">pc</span><span·class="w">·</span><span·class="ss">latin1</span><span·class="w"> | 453 | when·modifier·<code·class="inline">t</code>·is·used·with·<code·class="inline">~p</code>·or·<code·class="inline">~P</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">+</span><span·class="ss">pc</span><span·class="w">·</span><span·class="ss">latin1</span><span·class="w"> |
| 454 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id=" | 454 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id="9132132969-1">(</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">5.10</span><span·class="p">.</span><span·class="mi">1</span><span·class="p"·data-group-id="9132132969-1">)</span><span·class="w">·</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·782,·SHA:·eec27352c90c95575fb3a5c6ed4a5dc8d26244b17c7ce13af89dd434b078bb0e·...·]-5">]</span><span·class="w"> |
| 455 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id=" | 455 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id="9132132969-6">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="9132132969-6">)</span><span·class="gp·unselectable"> |
| 456 | 1>·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 456 | 1>·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="9132132969-7">(</span><span·class="s">"~tp</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="p"·data-group-id="9132132969-8">[</span><span·class="p"·data-group-id="9132132969-9">{</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·1308,·SHA:·b9507ff96d2999dd08cb096abb0644931d9c4f38d97683276f5d99833f95b034·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 457 | </span><span·class="p"·data-group-id=" | 457 | </span><span·class="p"·data-group-id="9132132969-13">{</span><span·class="p"·data-group-id="9132132969-14"><<</span><span·class="s">"åäö"</span><span·class="p"·data-group-id="9132132969-14">>></span><span·class="p">,</span><span·class="p"·data-group-id="9132132969-15"><[·...·truncated·by·diffoscope;·len:·938,·SHA:·ed5022c85af0b2e81f97de513aa8511e57b95692abd4c8b9dc8096c27d378238·...·]-13">}</span><span·class="w"> |
| 458 | </span><span·class="ss">ok</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">+</span><span·class="ss">pc</span><span·class="w">·</span><span·class="ss">unicode</span><span·class="w"> | 458 | </span><span·class="ss">ok</span></code></pre><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="ss">erl</span><span·class="w">·</span><span·class="o">+</span><span·class="ss">pc</span><span·class="w">·</span><span·class="ss">unicode</span><span·class="w"> |
| 459 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id=" | 459 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id="1955162544-1">(</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">5.10</span><span·class="p">.</span><span·class="mi">1</span><span·class="p"·data-group-id="1955162544-1">)</span><span·class="w">·</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·782,·SHA:·e0f791ce0d222b028fe5f8fd625bedbd5253c0d091c3f1347b988249c582db45·...·]-5">]</span><span·class="w"> |
| 460 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id=" | 460 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id="1955162544-6">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="1955162544-6">)</span><span·class="gp·unselectable"> |
| 461 | 1>·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 461 | 1>·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="1955162544-7">(</span><span·class="s">"~tp</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="p"·data-group-id="1955162544-8">[</span><span·class="p"·data-group-id="1955162544-9">{</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·1308,·SHA:·4f412d5d4bd841a5c69bf70af75913a1e8816e7275fe3d47269b80b737811774·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 462 | </span><span·class="p"·data-group-id=" | 462 | </span><span·class="p"·data-group-id="1955162544-13">{</span><span·class="p"·data-group-id="1955162544-14"><<</span><span·class="s">"åäö"</span><span·class="p"·data-group-id="1955162544-14">>></span><span·class="p">,</span><span·class="p"·data-group-id="1955162544-15"><[·...·truncated·by·diffoscope;·len:·443,·SHA:·7d150bbc4b705d01428ec68dc503347c7ad1f991303adb8fab3b5222e20bd78b·...·]-13">}</span><span·class="w"> |
| 463 | </span><span·class="ss">ok</span></code></pre><p>Notice·that·this·only·affects·<em>heuristic</em>·interpretation·of·lists·and·binaries | 463 | </span><span·class="ss">ok</span></code></pre><p>Notice·that·this·only·affects·<em>heuristic</em>·interpretation·of·lists·and·binaries |
| 464 | on·output.·For·example,·the·<code·class="inline">~ts</code>·format·sequence·always·outputs·a·valid·list·of | 464 | on·output.·For·example,·the·<code·class="inline">~ts</code>·format·sequence·always·outputs·a·valid·list·of |
| 465 | characters,·regardless·of·the·<code·class="inline">+pc</code>·setting,·as·the·programmer·has·explicitly | 465 | characters,·regardless·of·the·<code·class="inline">+pc</code>·setting,·as·the·programmer·has·explicitly |
| 466 | requested·string·output.</p><h2·id="the-interactive-shell"·class="section-heading"> | 466 | requested·string·output.</p><h2·id="the-interactive-shell"·class="section-heading"> |
| 467 | ··<a·href="#the-interactive-shell"·class="hover-link"> | 467 | ··<a·href="#the-interactive-shell"·class="hover-link"> |
| 468 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 468 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 469 | ··</a> | 469 | ··</a> |
| Offset 482, 47 lines modified | Offset 482, 47 lines modified | ||
| 482 | example,·a·<code·class="inline">LANG</code>·environment·variable·can·be·set·as·follows:</p><pre><code·class="text">$·echo·$LANG | 482 | example,·a·<code·class="inline">LANG</code>·environment·variable·can·be·set·as·follows:</p><pre><code·class="text">$·echo·$LANG |
| 483 | en_US.UTF-8</code></pre><p>Most·systems·handle·variable·<code·class="inline">LC_CTYPE</code>·before·<code·class="inline">LANG</code>,·so·if·that·is·set,·it | 483 | en_US.UTF-8</code></pre><p>Most·systems·handle·variable·<code·class="inline">LC_CTYPE</code>·before·<code·class="inline">LANG</code>,·so·if·that·is·set,·it |
| 484 | must·be·set·to·<code·class="inline">UTF-8</code>:</p><pre><code·class="text">$·echo·$LC_CTYPE | 484 | must·be·set·to·<code·class="inline">UTF-8</code>:</p><pre><code·class="text">$·echo·$LC_CTYPE |
| 485 | en_US.UTF-8</code></pre><p>The·<code·class="inline">LANG</code>·or·<code·class="inline">LC_CTYPE</code>·setting·are·to·be·consistent·with·what·the·terminal·is | 485 | en_US.UTF-8</code></pre><p>The·<code·class="inline">LANG</code>·or·<code·class="inline">LC_CTYPE</code>·setting·are·to·be·consistent·with·what·the·terminal·is |
| 486 | capable·of.·There·is·no·portable·way·for·Erlang·to·ask·the·terminal·about·its | 486 | capable·of.·There·is·no·portable·way·for·Erlang·to·ask·the·terminal·about·its |
| 487 | UTF-8·capacity,·we·have·to·rely·on·the·language·and·character·type·settings.</p><p>To·investigate·what·Erlang·thinks·about·the·terminal,·the·call | 487 | UTF-8·capacity,·we·have·to·rely·on·the·language·and·character·type·settings.</p><p>To·investigate·what·Erlang·thinks·about·the·terminal,·the·call |
| 488 | <a·href="io.html#getopts/1"><code·class="inline">io:getopts()</code></a>·can·be·used·when·the·shell·is·started:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="n">LC_CTYPE</span><span·class="o">=</span><span·class="ss">en_US</span><span·class="p">.</span><span·class="n">ISO</span><span·class="o">-</span><span·class="mi">8859</span><span·class="o">-</span><span·class="mi">1</span><span·class="w">·</span><span·class="ss">erl</span><span·class="w"> | 488 | <a·href="io.html#getopts/1"><code·class="inline">io:getopts()</code></a>·can·be·used·when·the·shell·is·started:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="sc">$·</span><span·class="n">LC_CTYPE</span><span·class="o">=</span><span·class="ss">en_US</span><span·class="p">.</span><span·class="n">ISO</span><span·class="o">-</span><span·class="mi">8859</span><span·class="o">-</span><span·class="mi">1</span><span·class="w">·</span><span·class="ss">erl</span><span·class="w"> |
| 489 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id=" | 489 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id="3494363823-1">(</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">5.10</span><span·class="p">.</span><span·class="mi">1</span><span·class="p"·data-group-id="3494363823-1">)</span><span·class="w">·</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·782,·SHA:·311ca35429572ccee6349f624998d745635fc91912e5aac15f2166984875b235·...·]-5">]</span><span·class="w"> |
| 490 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id=" | 490 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id="3494363823-6">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="3494363823-6">)</span><span·class="gp·unselectable"> |
| 491 | 1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">keyfind</span><span·class="p"·data-group-id=" | 491 | 1>·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">keyfind</span><span·class="p"·data-group-id="3494363823-7">(</span><span·class="ss">encoding</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">getopts</span>[·...·truncated·by·diffoscope;·len:·147,·SHA:·67b24332eff3021d58c821214ca1ff2c5117f1d05f5f4c67b3a7d1e4cc9bea30·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 492 | </span><span·class="p"·data-group-id=" | 492 | </span><span·class="p"·data-group-id="3494363823-9">{</span><span·class="ss">encoding</span><span·class="p">,</span><span·class="ss">latin1</span><span·class="p"·data-group-id="3494363823-9">}</span><span·class="gp·unselectable"> |
| 493 | 2>·</span><span·class="nf">q</span><span·class="p"·data-group-id=" | 493 | 2>·</span><span·class="nf">q</span><span·class="p"·data-group-id="3494363823-10">(</span><span·class="p"·data-group-id="3494363823-10">)</span><span·class="p">.</span><span·class="w"> |
| 494 | </span><span·class="ss">ok</span><span·class="w"> | 494 | </span><span·class="ss">ok</span><span·class="w"> |
| 495 | </span><span·class="sc">$·</span><span·class="n">LC_CTYPE</span><span·class="o">=</span><span·class="ss">en_US</span><span·class="p">.</span><span·class="n">UTF</span><span·class="o">-</span><span·class="mi">8</span><span·class="w">·</span><span·class="ss">erl</span><span·class="w"> | 495 | </span><span·class="sc">$·</span><span·class="n">LC_CTYPE</span><span·class="o">=</span><span·class="ss">en_US</span><span·class="p">.</span><span·class="n">UTF</span><span·class="o">-</span><span·class="mi">8</span><span·class="w">·</span><span·class="ss">erl</span><span·class="w"> |
| 496 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id=" | 496 | </span><span·class="n">Erlang</span><span·class="w">·</span><span·class="n">R16B</span><span·class="w">·</span><span·class="p"·data-group-id="3494363823-11">(</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">5.10</span><span·class="p">.</span><span·class="mi">1</span><span·class="p"·data-group-id="3494363823-11">)</span><span·class="w">·</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·791,·SHA:·e277a5b382c8fe1cf2ae2b89c6afcbfd5da412cd04360151a9f13c9728278c29·...·]-15">]</span><span·class="w"> |
| 497 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id=" | 497 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V5</span><span·class="p">.</span><span·class="mf">10.1</span><span·class="w">··</span><span·class="p"·data-group-id="3494363823-16">(</span><span·class="ss">abort</span><span·class="w">·</span><span·class="ss">with</span><span·class="w">·</span><span·class="err">^</span><span·class="n">G</span><span·class="p"·data-group-id="3494363823-16">)</span><span·class="gp·unselectable"> |
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| 587 | ···························QueryString·::·<a·href="#t:uri_string/0">uri_string</a>()·|·<a·href="#t:error/0">error</a>().</pre> | 587 | ···························QueryString·::·<a·href="#t:uri_string/0">uri_string</a>()·|·<a·href="#t:error/0">error</a>().</pre> |
| 588 | ······</div> | 588 | ······</div> |
| 589 | <p>Composes·a·form-urlencoded·<code·class="inline">QueryString</code>·based·on·a·<code·class="inline">QueryList</code>,·a·list·of | 589 | <p>Composes·a·form-urlencoded·<code·class="inline">QueryString</code>·based·on·a·<code·class="inline">QueryList</code>,·a·list·of |
| 590 | non-percent-encoded·key-value·pairs.</p><p>Form-urlencoding·is·defined·in·section·4.10.21.6·of·the·<a·href="https://www.w3.org/TR/html52/">HTML·5.2</a> | 590 | non-percent-encoded·key-value·pairs.</p><p>Form-urlencoding·is·defined·in·section·4.10.21.6·of·the·<a·href="https://www.w3.org/TR/html52/">HTML·5.2</a> |
| 591 | specification·and·in·section·4.10.22.6·of·the·<a·href="https://www.w3.org/TR/html50/">HTML·5.0</a> | 591 | specification·and·in·section·4.10.22.6·of·the·<a·href="https://www.w3.org/TR/html50/">HTML·5.0</a> |
| 592 | specification·for·non-UTF-8·encodings.</p><p>See·also·the·opposite·operation·<a·href="#dissect_query/1"><code·class="inline">dissect_query/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">compose_query</span><span·class="p"·data-group-id="1 | 592 | specification·for·non-UTF-8·encodings.</p><p>See·also·the·opposite·operation·<a·href="#dissect_query/1"><code·class="inline">dissect_query/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">compose_query</span><span·class="p"·data-group-id="1682123625-1">(</span><span·class="p"·data-group-id="1682123625-2">[</span><span·class="p"·data-group-id="1682123625-3">{</span><span·class="s">"foo·bar"</span><span·class="p">,</span><span·class="s">"1"</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·354,·SHA:·654a1218efa8176e1e7adcb88802b63222586224b6f67832be4dfd5f74b8c236·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 593 | </span><span·class="s">"foo+bar=1&city=%C3%B6rebro"</span><span·class="gp·unselectable"> | 593 | </span><span·class="s">"foo+bar=1&city=%C3%B6rebro"</span><span·class="gp·unselectable"> |
| 594 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">compose_query</span><span·class="p"·data-group-id="1 | 594 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">compose_query</span><span·class="p"·data-group-id="1682123625-5">(</span><span·class="p"·data-group-id="1682123625-6">[</span><span·class="p"·data-group-id="1682123625-7">{</span><span·class="p"·data-group-id="1682123625-8"><<</span><span·class="s">"foo·bar"</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·254,·SHA:·181a7537b16cc436a84fe59c39fd2aa17fef0a83cf344507273dd60187ddd057·...·]-7">}</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 595 | 2>·</span><span·class="p"·data-group-id="1 | 595 | 2>·</span><span·class="p"·data-group-id="1682123625-10">{</span><span·class="p"·data-group-id="1682123625-11"><<</span><span·class="s">"city"</span><span·class="p"·data-group-id="1682123625-11">>></span><span·class="p">,</span><span·class="p"·data-group-id="1682123625-12"><[·...·truncated·by·diffoscope;·len:·314,·SHA:·5a52befbe7ab11a046a27014e9a16d6b4b4390592c143cb8d6d171066b649145·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 596 | </span><span·class="p"·data-group-id="1 | 596 | </span><span·class="p"·data-group-id="1682123625-13"><<</span><span·class="s">"foo+bar=1&city=%C3%B6rebro"</span><span·class="p"·data-group-id="1682123625-13">>></span></code></pre> |
| 597 | ··</section> | 597 | ··</section> |
| 598 | </section> | 598 | </section> |
| 599 | <section·class="detail"·id="compose_query/2"> | 599 | <section·class="detail"·id="compose_query/2"> |
| 600 | ··<div·class="detail-header"> | 600 | ··<div·class="detail-header"> |
| 601 | ····<a·href="#compose_query/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 601 | ····<a·href="#compose_query/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 602 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 602 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 632, 20 lines modified | Offset 632, 20 lines modified | ||
| 632 | algorithm.</p><p>There·are·two·supported·encodings:·<code·class="inline">utf8</code>·(or·<code·class="inline">unicode</code>)·and·<code·class="inline">latin1</code>.</p><p>Each·character·in·the·entry's·name·and·value·that·cannot·be·expressed·using·the | 632 | algorithm.</p><p>There·are·two·supported·encodings:·<code·class="inline">utf8</code>·(or·<code·class="inline">unicode</code>)·and·<code·class="inline">latin1</code>.</p><p>Each·character·in·the·entry's·name·and·value·that·cannot·be·expressed·using·the |
| 633 | selected·character·encoding,·is·replaced·by·a·string·consisting·of·a·U+0026 | 633 | selected·character·encoding,·is·replaced·by·a·string·consisting·of·a·U+0026 |
| 634 | AMPERSAND·character·(&),·a·"#"·(U+0023)·character,·one·or·more·ASCII·digits | 634 | AMPERSAND·character·(&),·a·"#"·(U+0023)·character,·one·or·more·ASCII·digits |
| 635 | representing·the·Unicode·code·point·of·the·character·in·base·ten,·and·finally·a | 635 | representing·the·Unicode·code·point·of·the·character·in·base·ten,·and·finally·a |
| 636 | ";"·(U+003B)·character.</p><p>Bytes·that·are·out·of·the·range·0x2A,·0x2D,·0x2E,·0x30·to·0x39,·0x41·to·0x5A, | 636 | ";"·(U+003B)·character.</p><p>Bytes·that·are·out·of·the·range·0x2A,·0x2D,·0x2E,·0x30·to·0x39,·0x41·to·0x5A, |
| 637 | 0x5F,·0x61·to·0x7A,·are·percent-encoded·(U+0025·PERCENT·SIGN·character·(%) | 637 | 0x5F,·0x61·to·0x7A,·are·percent-encoded·(U+0025·PERCENT·SIGN·character·(%) |
| 638 | followed·by·uppercase·ASCII·hex·digits·representing·the·hexadecimal·value·of·the | 638 | followed·by·uppercase·ASCII·hex·digits·representing·the·hexadecimal·value·of·the |
| 639 | byte).</p><p>See·also·the·opposite·operation·<a·href="#dissect_query/1"><code·class="inline">dissect_query/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">compose_query</span><span·class="p"·data-group-id="6980526096-1">(</span><span·class="p"·data-group-id="6980526096-2">[</span><span·class="p"·data-group-id="6980526096-3">{</span><span·class="s">"foo·bar"</span><span·class="p">,</span><span·class="s">"1"</span><span·class="p"·data-group-id="6980526096-3">}</span><span·class="p">,</span><span·class="p"·data-group-id="6980526096-4">{</span><span·class="s">"city"</span><span·class="p">,</span><span·class="s">"örebro"</span><span·class="p"·data-group-id="6980526096-4">}</span><span·class="p"·data-group-id="6980526096-2">]</span><span·class="p">,</span><span·class="gp·unselectable"> | ||
| 640 | 639 | byte).</p><p>See·also·the·opposite·operation·<a·href="#dissect_query/1"><code·class="inline">dissect_query/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">[·...·truncated·by·diffoscope;·len:·731,·SHA:·a8bac09bb00dfc425ef7cb38c18b17308e1cfc3cbd5bfc149aba8d820f68854a·...·]"> | |
| 640 | 1>·</span><span·class="p"·data-group-id="1522770414-5">[</span><span·class="p"·data-group-id="1522770414-6">{</span><span·class="ss">encoding</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">latin1</span><span·class="p"·data-group-id="1522770414-6">}</span><span·class="p"·data-group-id="1522770414-5">]</span><span·class="p"·data-group-id="1522770414-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 641 | </span><span·class="s">"foo+bar=1&city=%F6rebro"</span><span·class="gp·unselectable"> | 641 | </span><span·class="s">"foo+bar=1&city=%F6rebro"</span><span·class="gp·unselectable"> |
| 642 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">compose_query</span><span·class="p"·data-group-id="6980526096-7">(</span><span·class="p"·data-group-id="6980526096-8">[</span><span·class="p"·data-group-id="6980526096-9">{</span><span·class="p"·data-group-id="6980526096-10"><<</span><span·class="s">"foo·bar"</span><span·class="p"·data-group-id="6980526096-10">>></span><span·class="p">,</span><span·class="p"·data-group-id="6980526096-11"><<</span><span·class="s">"1"</span><span·class="p"·data-group-id="6980526096-11">>></span><span·class="p"·data-group-id="6980526096-9">}</span><span·class="p">,</span><span·class="gp·unselectable"> | ||
| 643 | 2>·</span><span·class=" | 642 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">compose_query</span><span·class="p"·data-group-id="1522770414-7">(</span><span·class="p"·data-group-id="1522770414-8">[</span><span·class="p"·data-group-id="1522770414-9">{</span><span·class="p"[·...·truncated·by·diffoscope;·len:·436,·SHA:·e7812842c59ee83eed49f78b78242950afa2eb7f8b32df8b52764dc1f97917ca·...·]"> |
| 643 | 2>·</span><span·class="p"·data-group-id="1522770414-12">{</span><span·class="p"·data-group-id="1522770414-13"><<</span><span·class="s">"city"</span><span·class="p"·data-group-id="1522770414-13">>></span><span·class="p">,</span><span·class="p"·data-group-id="1522770414-14"><<</span><span·class="s">"東京"</span><span·class="o">/</span><span·class="ss">utf8</span><span·class="p"·data-group-id="1522770414-14">>></span><span·class="p"·data-group-id="1522770414-12">}</span><span·class="p"·data-group-id="1522770414-8">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="1522770414-15">[</span><span·class="p"·data-group-id="1522770414-16">{</span><span·class="ss">encoding</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">latin1</span><span·class="p"·data-group-id="1522770414-16">}</span><span·class="p"·data-group-id="1522770414-15">]</span><span·class="p"·data-group-id="1522770414-7">)</span><span·class="p">.</span><span·class="w"> | ||
| 644 | </span><span·class="p"·data-group-id=" | 644 | </span><span·class="p"·data-group-id="1522770414-17"><<</span><span·class="s">"foo+bar=1&city=%26%2326481%3B%26%2320140%3B"</span><span·class="p"·data-group-id="1522770414-17">>></span></code></pre> |
| 645 | ··</section> | 645 | ··</section> |
| 646 | </section> | 646 | </section> |
| 647 | <section·class="detail"·id="dissect_query/1"> | 647 | <section·class="detail"·id="dissect_query/1"> |
| 648 | ··<div·class="detail-header"> | 648 | ··<div·class="detail-header"> |
| 649 | ····<a·href="#dissect_query/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 649 | ····<a·href="#dissect_query/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 650 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 650 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 671, 19 lines modified | Offset 671, 19 lines modified | ||
| 671 | ···························QueryList·::·[{<a·href="unicode.html#t:chardata/0">unicode:chardata</a>(),·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>()·|·true}]·|·<a·href="#t:error/0">error</a>().</pre> | 671 | ···························QueryList·::·[{<a·href="unicode.html#t:chardata/0">unicode:chardata</a>(),·<a·href="unicode.html#t:chardata/0">unicode:chardata</a>()·|·true}]·|·<a·href="#t:error/0">error</a>().</pre> |
| 672 | ······</div> | 672 | ······</div> |
| 673 | <p>Dissects·an·urlencoded·<code·class="inline">QueryString</code>·and·returns·a·<code·class="inline">QueryList</code>,·a·list·of | 673 | <p>Dissects·an·urlencoded·<code·class="inline">QueryString</code>·and·returns·a·<code·class="inline">QueryList</code>,·a·list·of |
| 674 | non-percent-encoded·key-value·pairs.</p><p>Form-urlencoding·is·defined·in·section·4.10.21.6·of·the·<a·href="https://www.w3.org/TR/html52/">HTML·5.2</a> | 674 | non-percent-encoded·key-value·pairs.</p><p>Form-urlencoding·is·defined·in·section·4.10.21.6·of·the·<a·href="https://www.w3.org/TR/html52/">HTML·5.2</a> |
| 675 | specification·and·in·section·4.10.22.6·of·the·<a·href="https://www.w3.org/TR/html50/">HTML·5.0</a> | 675 | specification·and·in·section·4.10.22.6·of·the·<a·href="https://www.w3.org/TR/html50/">HTML·5.0</a> |
| 676 | specification·for·non-UTF-8·encodings.</p><p>See·also·the·opposite·operation·<a·href="#compose_query/1"><code·class="inline">compose_query/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">dissect_query</span><span·class="p"·data-group-id=" | 676 | specification·for·non-UTF-8·encodings.</p><p>See·also·the·opposite·operation·<a·href="#compose_query/1"><code·class="inline">compose_query/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">dissect_query</span><span·class="p"·data-group-id="2184931591-1">(</span><span·class="s">"foo+bar=1&city=%C3%B6rebro"</span><span·class="p"·data-group-id="2184931591-1">)</span><span·class="p">.</span><span·class="w"> |
| 677 | </span><span·class="p"·data-group-id=" | 677 | </span><span·class="p"·data-group-id="2184931591-2">[</span><span·class="p"·data-group-id="2184931591-3">{</span><span·class="s">"foo·bar"</span><span·class="p">,</span><span·class="s">"1"</span><span·class="p"·data-group-id="2184931591-3">}</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·249,·SHA:·b2da4b962e4b523dc244dce320eeca788a2f2c559beb7c8f69fa9e06ccb23263·...·]-2">]</span><span·class="gp·unselectable"> |
| 678 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">dissect_query</span><span·class="p"·data-group-id=" | 678 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">dissect_query</span><span·class="p"·data-group-id="2184931591-5">(</span><span·class="p"·data-group-id="2184931591-6"><<</span><span·class="s">"foo+bar=1&city=%26%2326481%3B%26%2320140%3B"</span><span·class="p"·data-group-id="2184931591-6">>></span><span·class="p"·data-group-id="2[·...·truncated·by·diffoscope;·len:·9,·SHA:·cd8bfe5a8af46da091ba43de16729660309f2c55e390ee65b9d677fa77b0baa7·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 679 | </span><span·class="p"·data-group-id=" | 679 | </span><span·class="p"·data-group-id="2184931591-7">[</span><span·class="p"·data-group-id="2184931591-8">{</span><span·class="p"·data-group-id="2184931591-9"><<</span><span·class="s">"foo·bar"</span><span·class="p"·data-group-id="2184931591-9">>></span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·204,·SHA:·fb0248ab00c5a401f706d09827a2b9fe9a381075978c2bb6f4ce6bac24f8e1ab·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 680 | ·</span><span·class="p"·data-group-id=" | 680 | ·</span><span·class="p"·data-group-id="2184931591-11">{</span><span·class="p"·data-group-id="2184931591-12"><<</span><span·class="s">"city"</span><span·class="p"·data-group-id="2184931591-12">>></span><span·class="p">,</span><span·class="p"·data-group-id="2184931591-13">&l[·...·truncated·by·diffoscope;·len:·451,·SHA:·bdcc21ebed71f046b4e3b70d93b2f0aa410a8f3fc1edca93f4ab262916bbdd35·...·]-7">]</span></code></pre> |
| 681 | ··</section> | 681 | ··</section> |
| 682 | </section> | 682 | </section> |
| 683 | <section·class="detail"·id="normalize/1"> | 683 | <section·class="detail"·id="normalize/1"> |
| 684 | ··<div·class="detail-header"> | 684 | ··<div·class="detail-header"> |
| 685 | ····<a·href="#normalize/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 685 | ····<a·href="#normalize/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 686 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 686 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 707, 22 lines modified | Offset 707, 22 lines modified | ||
| 707 | ···················when·URI·::·<a·href="#t:uri_string/0">uri_string</a>()·|·<a·href="#t:uri_map/0">uri_map</a>(),·NormalizedURI·::·<a·href="#t:uri_string/0">uri_string</a>()·|·<a·href="#t:error/0">error</a>().</pre> | 707 | ···················when·URI·::·<a·href="#t:uri_string/0">uri_string</a>()·|·<a·href="#t:uri_map/0">uri_map</a>(),·NormalizedURI·::·<a·href="#t:uri_string/0">uri_string</a>()·|·<a·href="#t:error/0">error</a>().</pre> |
| 708 | ······</div> | 708 | ······</div> |
| 709 | <p>Transforms·an·<code·class="inline">URI</code>·into·a·normalized·form·using·Syntax-Based·Normalization·as | 709 | <p>Transforms·an·<code·class="inline">URI</code>·into·a·normalized·form·using·Syntax-Based·Normalization·as |
| 710 | defined·by·<a·href="https://www.ietf.org/rfc/rfc3986.txt">RFC·3986</a>.</p><p>This·function·implements·case·normalization,·percent-encoding·normalization, | 710 | defined·by·<a·href="https://www.ietf.org/rfc/rfc3986.txt">RFC·3986</a>.</p><p>This·function·implements·case·normalization,·percent-encoding·normalization, |
| 711 | path·segment·normalization·and·scheme·based·normalization·for·HTTP(S)·with·basic | 711 | path·segment·normalization·and·scheme·based·normalization·for·HTTP(S)·with·basic |
| 712 | support·for·FTP,·SSH,·SFTP·and·TFTP.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 712 | support·for·FTP,·SSH,·SFTP·and·TFTP.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="8621947189-1">(</span><span·class="s">"/a/b/c/./../../g"</span><span·class="p"·data-group-id="8621947189-1">)</span><span·class="p">.</span><span·class="w"> |
| 713 | </span><span·class="s">"/a/g"</span><span·class="gp·unselectable"> | 713 | </span><span·class="s">"/a/g"</span><span·class="gp·unselectable"> |
| 714 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 714 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="8621947189-2">(</span><span·class="p"·data-group-id="8621947189-3"><<</span><span·class="s">"mid/content=5/../6"</span><span·class="p"·data-group-id="8621947189-3">>></span><span·class="p"·data-group-id="8621947189-2">)</span><span·class="p">.</span><span·class="w"> |
| 715 | </span><span·class="p"·data-group-id=" | 715 | </span><span·class="p"·data-group-id="8621947189-4"><<</span><span·class="s">"mid/6"</span><span·class="p"·data-group-id="8621947189-4">>></span><span·class="gp·unselectable"> |
| 716 | 3>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 716 | 3>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="8621947189-5">(</span><span·class="s">"http://localhost:80"</span><span·class="p"·data-group-id="8621947189-5">)</span><span·class="p">.</span><span·class="w"> |
| 717 | </span><span·class="s">"http://localhost/"</span><span·class="gp·unselectable"> | 717 | </span><span·class="s">"http://localhost/"</span><span·class="gp·unselectable"> |
| 718 | 4>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 718 | 4>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="8621947189-6">(</span><span·class="p"·data-group-id="8621947189-7">#{</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p">,</span><span·class="ss">port</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"/a/b/c/./../../g"</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 719 | 4>·</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"localhost-örebro"</span><span·class="p"·data-group-id=" | 719 | 4>·</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"localhost-örebro"</span><span·class="p"·data-group-id="8621947189-7">}</span><span·class="p"·data-group-id="8621947189-6">)</span><span·class="p">.</span><span·class="w"> |
| 720 | </span><span·class="s">"http://localhost-%C3%B6rebro/a/g"</span></code></pre> | 720 | </span><span·class="s">"http://localhost-%C3%B6rebro/a/g"</span></code></pre> |
| 721 | ··</section> | 721 | ··</section> |
| 722 | </section> | 722 | </section> |
| 723 | <section·class="detail"·id="normalize/2"> | 723 | <section·class="detail"·id="normalize/2"> |
| 724 | ··<div·class="detail-header"> | 724 | ··<div·class="detail-header"> |
| 725 | ····<a·href="#normalize/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 725 | ····<a·href="#normalize/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| Offset 749, 23 lines modified | Offset 749, 23 lines modified | ||
| 749 | ·······················Options·::·[return_map], | 749 | ·······················Options·::·[return_map], |
| 750 | ·······················NormalizedURI·::·<a·href="#t:uri_string/0">uri_string</a>()·|·<a·href="#t:uri_map/0">uri_map</a>()·|·<a·href="#t:error/0">error</a>().</pre> | 750 | ·······················NormalizedURI·::·<a·href="#t:uri_string/0">uri_string</a>()·|·<a·href="#t:uri_map/0">uri_map</a>()·|·<a·href="#t:error/0">error</a>().</pre> |
| 751 | ······</div> | 751 | ······</div> |
| 752 | <p>Same·as·<a·href="#normalize/1"><code·class="inline">normalize/1</code></a>·but·with·an·additional·<code·class="inline">Options</code> | 752 | <p>Same·as·<a·href="#normalize/1"><code·class="inline">normalize/1</code></a>·but·with·an·additional·<code·class="inline">Options</code> |
| 753 | parameter,·that·controls·whether·the·normalized·URI·shall·be·returned·as·an | 753 | parameter,·that·controls·whether·the·normalized·URI·shall·be·returned·as·an |
| 754 | uri_map().</p><p>There·is·one·supported·option:·<code·class="inline">return_map</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 754 | uri_map().</p><p>There·is·one·supported·option:·<code·class="inline">return_map</code>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="7550013095-1">(</span><span·class="s">"/a/b/c/./../../g"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7550013095-2">[</span><span·class="ss">return_map</span><span·class="p"·data-group-id="7550013095-2">]</[·...·truncated·by·diffoscope;·len:·46,·SHA:·5a5e1fd7235e7d4e7cd8edd50ec3abe47b7b082058f84e64dcdf9621487e4161·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 755 | </span><span·class="p"·data-group-id=" | 755 | </span><span·class="p"·data-group-id="7550013095-3">#{</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"/a/g"</span><span·class="p"·data-group-id="7550013095-3">}</span><span·class="gp·unselectable"> |
| 756 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 756 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="7550013095-4">(</span><span·class="p"·data-group-id="7550013095-5"><<</span><span·class="s">"mid/content=5/../6"</span><span·class="p"·data-group-id="7550013095-5">>></span><span·class="p">,</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·168,·SHA:·ee56693890be4c07b1a307607e509378c75ec1a8528b14f5d7fb28a7238ddd14·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 757 | </span><span·class="p"·data-group-id=" | 757 | </span><span·class="p"·data-group-id="7550013095-7">#{</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="7550013095-8"><<</span><span·class="s">"mid/6"</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·72,·SHA:·3fd4a56763e9987b1ff0ca4d485a2ff946b5f3851a94c19e7ace8d849b96e642·...·]-7">}</span><span·class="gp·unselectable"> |
| 758 | 3>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 758 | 3>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="7550013095-9">(</span><span·class="s">"http://localhost:80"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7550013095-10">[</span><span·class="ss">return_map</span><span·class="p"·data-group-id="7550013095-10[·...·truncated·by·diffoscope;·len:·51,·SHA:·b13f9ea5def9f81349afacac5b477356c922d7f080cf1ccf410687d16f1e4022·...·]-9">)</span><span·class="p">.</span><span·class="w"> |
| 759 | </span><span·class="p"·data-group-id=" | 759 | </span><span·class="p"·data-group-id="7550013095-11">#{</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p">,</span><span·class="ss">path</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·290,·SHA:·89c96549a3f891a341ef7a6bc22c65ca81745c52e010c5345d2e456a29f35e14·...·]-11">}</span><span·class="gp·unselectable"> |
| 760 | 4>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 760 | 4>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="7550013095-12">(</span><span·class="p"·data-group-id="7550013095-13">#{</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p">,</span><span·class="ss">port</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">80</span><span·class="p">,</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"/a/b/c/./../../g"</span><span·class="p">,</span><span·class="gp·unselectable"> |
| 761 | 4>·</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"localhost-örebro"</span><span·class="p"·data-group-id=" | 761 | 4>·</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"localhost-örebro"</span><span·class="p"·data-group-id="7550013095-13">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7550013095-14">[</span><span·class="ss">return_map</span><span·class="p"·data-group-id="7550013095-14">]</span><span·class="p"·data-group-id="7550013095-12">)</span><span·class="p">.</span><span·class="w"> |
| 762 | </span><span·class="p"·data-group-id=" | 762 | </span><span·class="p"·data-group-id="7550013095-15">#{</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p">,</span><span·class="ss">path</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·300,·SHA:·bd4035ed691fdb07f6b3ef9c39008d45d831b5f1f4d786d95a6d512a8293c7ef·...·]-15">}</span></code></pre> |
| 763 | ··</section> | 763 | ··</section> |
| 764 | </section> | 764 | </section> |
| 765 | <section·class="detail"·id="parse/1"> | 765 | <section·class="detail"·id="parse/1"> |
| 766 | ··<div·class="detail-header"> | 766 | ··<div·class="detail-header"> |
| 767 | ····<a·href="#parse/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 767 | ····<a·href="#parse/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 768 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 768 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 787, 22 lines modified | Offset 787, 22 lines modified | ||
| 787 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·parse(URIString)·->·URIMap·when·URIString·::·<a·href="#t:uri_string/0">uri_string</a>(),·URIMap·::·<a·href="#t:uri_map/0">uri_map</a>()·|·<a·href="#t:error/0">error</a>().</pre> | 787 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·parse(URIString)·->·URIMap·when·URIString·::·<a·href="#t:uri_string/0">uri_string</a>(),·URIMap·::·<a·href="#t:uri_map/0">uri_map</a>()·|·<a·href="#t:error/0">error</a>().</pre> |
| 788 | ······</div> | 788 | ······</div> |
| 789 | <p>Parses·an·<a·href="https://www.ietf.org/rfc/rfc3986.txt">RFC·3986</a>·compliant | 789 | <p>Parses·an·<a·href="https://www.ietf.org/rfc/rfc3986.txt">RFC·3986</a>·compliant |
| 790 | <a·href="#t:uri_string/0"><code·class="inline">uri_string/0</code></a>·into·a·<a·href="#t:uri_map/0"><code·class="inline">uri_map/0</code></a>,·that·holds·the·parsed·components·of·the | 790 | <a·href="#t:uri_string/0"><code·class="inline">uri_string/0</code></a>·into·a·<a·href="#t:uri_map/0"><code·class="inline">uri_map/0</code></a>,·that·holds·the·parsed·components·of·the |
| 791 | <code·class="inline">URI</code>.·If·parsing·fails,·an·error·tuple·is·returned.</p><p>See·also·the·opposite·operation·<a·href="#recompose/1"><code·class="inline">recompose/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id=" | 791 | <code·class="inline">URI</code>.·If·parsing·fails,·an·error·tuple·is·returned.</p><p>See·also·the·opposite·operation·<a·href="#recompose/1"><code·class="inline">recompose/1</code></a>.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="4165921155-1">(</span><span·class="s">"foo://user@example.com:8042/over/there?name=ferret#nose"</span><span·class="p"·data-group-id="4165921155-1">)</span><span·class="p">.</span><span·class="w"> |
| 792 | </span><span·class="p"·data-group-id=" | 792 | </span><span·class="p"·data-group-id="4165921155-2">#{</span><span·class="ss">fragment</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"nose"</span><span·class="p">,</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"example.com"</span><span·class="p">,</span><span·class="w"> |
| 793 | ··</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"/over/there"</span><span·class="p">,</span><span·class="ss">port</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">8042</span><span·class="p">,</span><span·class="k">query</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"name=ferret"</span><span·class="p">,</span><span·class="w"> | 793 | ··</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"/over/there"</span><span·class="p">,</span><span·class="ss">port</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">8042</span><span·class="p">,</span><span·class="k">query</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"name=ferret"</span><span·class="p">,</span><span·class="w"> |
| 794 | ··</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">userinfo</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"user"</span><span·class="p"·data-group-id=" | 794 | ··</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">userinfo</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"user"</span><span·class="p"·data-group-id="4165921155-2">}</span><span·class="gp·unselectable"> |
| 795 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="8032597932-3">(</span><span·class="p"·data-group-id="8032597932-4"><<</span><span·class="s">"foo://user@example.com:8042/over/there?name=ferret"</span><span·class="p"·data-group-id="8032597932-4">>></span><span·class="p"·data-group-id="8032597932-3">)</span><span·class="p">.</span><span·class="w"> | ||
| 796 | </span><span·class= | 795 | 2>·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="4165921155-3">(</span><span·class="p"·data-group-id="4165921155-4"><<</span><span·class="s">"foo://user@example.co[·...·truncated·by·diffoscope;·len:·172,·SHA:·2463273c4556e4c0840758ba29edce69ce1fce8016179ee1caf17f3339e25d7b·...·]</span><span·class="w"> |
| 796 | </span><span·class="p"·data-group-id="4165921155-5">#{</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="4165921155-6"><<</span><span·class="s">"example.com"</span><span·class="p"·data-group-id="4165921155-6">>></span><span·class="p">,</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="4165921155-7"><<</span><span·class="s">"/over/there"</span><span·class="p"·data-group-id="4165921155-7">>></span><span·class="p">,</span><span·class="w"> | ||
| 797 | ··</span><span·class="ss">port</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">8042</span><span·class="p">,</span><span·class="k">query</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 797 | ··</span><span·class="ss">port</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="mi">8042</span><span·class="p">,</span><span·class="k">query</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="4165921155-8"><<</span><span·class="s">"name=ferret"</span><span·class="p"·data-group-id="4165921155-8">>></span><span·class="p">,</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w"[·...·truncated·by·diffoscope;·len:·148,·SHA:·2b383facb28210bfd70008e5261d87f43dde08bd2ca03992246a10dc1e8adbd7·...·]-9">>></span><span·class="p">,</span><span·class="w"> |
| 798 | ··</span><span·class="ss">userinfo</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id=" | 798 | ··</span><span·class="ss">userinfo</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="p"·data-group-id="4165921155-10"><<</span><span·class="s">"user"</span><span·class="p"·data-group-id="4165921155-10">>></span><span·class="p"·data-group-id="4165921155-5">}</span></code></pre> |
| 799 | ··</section> | 799 | ··</section> |
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| 190 | URI·components·using·<a·href="unicode_usage.html#what-unicode-is">Unicode</a>·characters. | 190 | URI·components·using·<a·href="unicode_usage.html#what-unicode-is">Unicode</a>·characters. |
| 191 | <a·href="uri_string.html#t:uri_map/0"><code·class="inline">uri_map()</code></a>·is·a·convenient·choice·for·enabling | 191 | <a·href="uri_string.html#t:uri_map/0"><code·class="inline">uri_map()</code></a>·is·a·convenient·choice·for·enabling |
| 192 | operations·such·as·producing·standard·compliant·URIs·out·of·components·that·have | 192 | operations·such·as·producing·standard·compliant·URIs·out·of·components·that·have |
| 193 | special·or·<a·href="unicode_usage.html#what-unicode-is">Unicode</a>·characters.·It·is·easier | 193 | special·or·<a·href="unicode_usage.html#what-unicode-is">Unicode</a>·characters.·It·is·easier |
| 194 | to·explain·this·by·an·example.</p><p>Let's·say·that·we·would·like·to·create·the·following·URI·and·send·it·over·the | 194 | to·explain·this·by·an·example.</p><p>Let's·say·that·we·would·like·to·create·the·following·URI·and·send·it·over·the |
| 195 | network:·<code·class="inline">http://cities/örebro?foo·bar</code>.·This·is·not·a·valid·URI·as·it·contains | 195 | network:·<code·class="inline">http://cities/örebro?foo·bar</code>.·This·is·not·a·valid·URI·as·it·contains |
| 196 | characters·that·are·not·allowed·in·a·URI·such·as·"ö"·and·the·space.·We·can | 196 | characters·that·are·not·allowed·in·a·URI·such·as·"ö"·and·the·space.·We·can |
| 197 | verify·this·by·parsing·the·URI:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="3 | 197 | verify·this·by·parsing·the·URI:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="3061008144-1">(</span><span·class="s">"http://cities/örebro?foo·bar"</span><span·class="p"·data-group-id="3061008144-1">)</span><span·class="p">.</span><span·class="w"> |
| 198 | ··</span><span·class="p"·data-group-id="3 | 198 | ··</span><span·class="p"·data-group-id="3061008144-2">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="ss">invalid_uri</span><span·class="p">,</span><span·class="s">":"</span><span·class="p"·data-group-id="3061008144-2">}</span></code></pre><p>The·URI·parser·tries·all·possible·combinations·to·interpret·the·input·and·fails |
| 199 | at·the·last·attempt·when·it·encounters·the·colon·character·<code·class="inline">":"</code>.·Note,·that·the | 199 | at·the·last·attempt·when·it·encounters·the·colon·character·<code·class="inline">":"</code>.·Note,·that·the |
| 200 | inital·fault·occurs·when·the·parser·attempts·to·interpret·the·character·<code·class="inline">"ö"</code> | 200 | inital·fault·occurs·when·the·parser·attempts·to·interpret·the·character·<code·class="inline">"ö"</code> |
| 201 | and·after·a·failure·back-tracks·to·the·point·where·it·has·another·possible | 201 | and·after·a·failure·back-tracks·to·the·point·where·it·has·another·possible |
| 202 | parsing·alternative.</p><p>The·proper·way·to·solve·this·problem·is·to·use·<a·href="uri_string.html#recompose/1"><code·class="inline">uri_string:recompose/1</code></a>·with·a | 202 | parsing·alternative.</p><p>The·proper·way·to·solve·this·problem·is·to·use·<a·href="uri_string.html#recompose/1"><code·class="inline">uri_string:recompose/1</code></a>·with·a |
| 203 | <a·href="uri_string.html#t:uri_map/0"><code·class="inline">uri_map()</code></a>·as·input:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">recompose</span><span·class="p"·data-group-id="5 | 203 | <a·href="uri_string.html#t:uri_map/0"><code·class="inline">uri_map()</code></a>·as·input:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">recompose</span><span·class="p"·data-group-id="5042354060-1">(</span><span·class="p"·data-group-id="5042354060-2">#{</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"cities"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"/örebro"</span><span·class="p">,</span><span·class="w"> |
| 204 | ··</span><span·class="k">query</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"foo·bar"</span><span·class="p"·data-group-id="5 | 204 | ··</span><span·class="k">query</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"foo·bar"</span><span·class="p"·data-group-id="5042354060-2">}</span><span·class="p"·data-group-id="5042354060-1">)</span><span·class="p">.</span><span·class="w"> |
| 205 | ··</span><span·class="s">"http://cities/%C3%B6rebro?foo%20bar"</span></code></pre><p>The·result·is·a·valid·URI·where·all·the·special·characters·are·encoded·as | 205 | ··</span><span·class="s">"http://cities/%C3%B6rebro?foo%20bar"</span></code></pre><p>The·result·is·a·valid·URI·where·all·the·special·characters·are·encoded·as |
| 206 | defined·by·the·standard.·Applying·<a·href="uri_string.html#parse/1"><code·class="inline">uri_string:parse/1</code></a>·and | 206 | defined·by·the·standard.·Applying·<a·href="uri_string.html#parse/1"><code·class="inline">uri_string:parse/1</code></a>·and |
| 207 | <a·href="uri_string.html#percent_decode/1"><code·class="inline">uri_string:percent_decode/1</code></a>·on·the·URI·returns·the·original·input:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id=" | 207 | <a·href="uri_string.html#percent_decode/1"><code·class="inline">uri_string:percent_decode/1</code></a>·on·the·URI·returns·the·original·input:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="mi">3</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id="8079570169-1">(</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="8079570169-2">(</span><span·class="s">"http://cities/%C3%B6rebro?foo%20bar"</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·69,·SHA:·82a2eb8bad4527c8e5935239c528d3794972bab7765d0b9a348ab4ad78eb97c9·...·]9-1">)</span><span·class="p">.</span><span·class="w"> |
| 208 | ··</span><span·class="p"·data-group-id=" | 208 | ··</span><span·class="p"·data-group-id="8079570169-3">#{</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"cities"</span><span·class="p">,</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"/örebro"</span><span·class="p">,</span><span·class="k">query</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"foo·bar"</span><span·class="p">,</span><span·class="w"> |
| 209 | ··</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p"·data-group-id=" | 209 | ··</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p"·data-group-id="8079570169-3">}</span></code></pre><p>This·symmetric·property·is·heavily·used·in·our·property·test·suite.</p><h2·id="percent-encoding"·class="section-heading"> |
| 210 | ··<a·href="#percent-encoding"·class="hover-link"> | 210 | ··<a·href="#percent-encoding"·class="hover-link"> |
| 211 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 211 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 212 | ··</a> | 212 | ··</a> |
| 213 | ··<span·class="text">Percent-encoding</span> | 213 | ··<span·class="text">Percent-encoding</span> |
| 214 | </h2> | 214 | </h2> |
| 215 | <p>As·you·have·seen·in·the·previous·chapter,·a·standard·URI·can·only·contain·a | 215 | <p>As·you·have·seen·in·the·previous·chapter,·a·standard·URI·can·only·contain·a |
| 216 | strict·subset·of·the·US·ASCII·character·set,·moreover·the·allowed·set·of | 216 | strict·subset·of·the·US·ASCII·character·set,·moreover·the·allowed·set·of |
| Offset 225, 72 lines modified | Offset 225, 72 lines modified | ||
| 225 | <a·href="unicode_usage.html#what-unicode-is">Unicode</a>·and·it·is·encoded·using·a·single | 225 | <a·href="unicode_usage.html#what-unicode-is">Unicode</a>·and·it·is·encoded·using·a·single |
| 226 | octet·<code·class="inline">0x20</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p><a·href="unicode_usage.html#what-unicode-is">Unicode</a>·is·backward·compatible·with·ASCII, | 226 | octet·<code·class="inline">0x20</code>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p><a·href="unicode_usage.html#what-unicode-is">Unicode</a>·is·backward·compatible·with·ASCII, |
| 227 | the·encoding·of·the·first·128·characters·is·the·same·binary·value·as·in·ASCII.</p></section><p><a·href=""·id="percent_encoding"></a>·It·is·a·major·source·of·confusion·exactly·which | 227 | the·encoding·of·the·first·128·characters·is·the·same·binary·value·as·in·ASCII.</p></section><p><a·href=""·id="percent_encoding"></a>·It·is·a·major·source·of·confusion·exactly·which |
| 228 | characters·will·be·percent-encoded.·In·order·to·make·it·easier·to·answer·this | 228 | characters·will·be·percent-encoded.·In·order·to·make·it·easier·to·answer·this |
| 229 | question·the·library·provides·a·utility·function, | 229 | question·the·library·provides·a·utility·function, |
| 230 | <a·href="uri_string.html#allowed_characters/0"><code·class="inline">uri_string:allowed_characters/0</code></a>,·that | 230 | <a·href="uri_string.html#allowed_characters/0"><code·class="inline">uri_string:allowed_characters/0</code></a>,·that |
| 231 | lists·the·allowed·set·of·characters·in·each·major·URI·component,·and·also·in·the | 231 | lists·the·allowed·set·of·characters·in·each·major·URI·component,·and·also·in·the |
| 232 | most·important·standard·character·sets.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">allowed_characters</span><span·class="p"·data-group-id="1 | 232 | most·important·standard·character·sets.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">allowed_characters</span><span·class="p"·data-group-id="6157283414-1">(</span><span·class="p"·data-group-id="6157283414-1">)</span><span·class="p">.</span><span·class="w"> |
| 233 | ····</span><span·class="p"·data-group-id="1 | 233 | ····</span><span·class="p"·data-group-id="6157283414-2">[</span><span·class="p"·data-group-id="6157283414-3">{</span><span·class="ss">scheme</span><span·class="p">,</span><span·class="w"> |
| 234 | ·····</span><span·class="s">"+-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"</span><span·class="p"·data-group-id="1 | 234 | ·····</span><span·class="s">"+-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"</span><span·class="p"·data-group-id="6157283414-3">}</span><span·class="p">,</span><span·class="w"> |
| 235 | ····</span><span·class="p"·data-group-id="1 | 235 | ····</span><span·class="p"·data-group-id="6157283414-4">{</span><span·class="ss">userinfo</span><span·class="p">,</span><span·class="w"> |
| 236 | ·····</span><span·class="s">"!$%&'()*+,-.0123456789:;=ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="1 | 236 | ·····</span><span·class="s">"!$%&'()*+,-.0123456789:;=ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="6157283414-4">}</span><span·class="p">,</span><span·class="w"> |
| 237 | ····</span><span·class="p"·data-group-id="1 | 237 | ····</span><span·class="p"·data-group-id="6157283414-5">{</span><span·class="ss">host</span><span·class="p">,</span><span·class="w"> |
| 238 | ·····</span><span·class="s">"!$&'()*+,-.0123456789:;=ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="1 | 238 | ·····</span><span·class="s">"!$&'()*+,-.0123456789:;=ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="6157283414-5">}</span><span·class="p">,</span><span·class="w"> |
| 239 | ····</span><span·class="p"·data-group-id="1 | 239 | ····</span><span·class="p"·data-group-id="6157283414-6">{</span><span·class="ss">ipv4</span><span·class="p">,</span><span·class="s">".0123456789"</span><span·class="p"·data-group-id="6157283414-6">}</span><span·class="p">,</span><span·class="w"> |
| 240 | ····</span><span·class="p"·data-group-id="1 | 240 | ····</span><span·class="p"·data-group-id="6157283414-7">{</span><span·class="ss">ipv6</span><span·class="p">,</span><span·class="s">".0123456789:ABCDEFabcdef"</span><span·class="p"·data-group-id="6157283414-7">}</span><span·class="p">,</span><span·class="w"> |
| 241 | ····</span><span·class="p"·data-group-id="1 | 241 | ····</span><span·class="p"·data-group-id="6157283414-8">{</span><span·class="ss">regname</span><span·class="p">,</span><span·class="w"> |
| 242 | ·····</span><span·class="s">"!$%&'()*+,-.0123456789;=ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="1 | 242 | ·····</span><span·class="s">"!$%&'()*+,-.0123456789;=ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="6157283414-8">}</span><span·class="p">,</span><span·class="w"> |
| 243 | ····</span><span·class="p"·data-group-id="1 | 243 | ····</span><span·class="p"·data-group-id="6157283414-9">{</span><span·class="ss">path</span><span·class="p">,</span><span·class="w"> |
| 244 | ·····</span><span·class="s">"!$%&'()*+,-./0123456789:;=@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="1 | 244 | ·····</span><span·class="s">"!$%&'()*+,-./0123456789:;=@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="6157283414-9">}</span><span·class="p">,</span><span·class="w"> |
| 245 | ····</span><span·class="p"·data-group-id="1 | 245 | ····</span><span·class="p"·data-group-id="6157283414-10">{</span><span·class="k">query</span><span·class="p">,</span><span·class="w"> |
| 246 | ·····</span><span·class="s">"!$%&'()*+,-./0123456789:;=?@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="1 | 246 | ·····</span><span·class="s">"!$%&'()*+,-./0123456789:;=?@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="6157283414-10">}</span><span·class="p">,</span><span·class="w"> |
| 247 | ····</span><span·class="p"·data-group-id="1 | 247 | ····</span><span·class="p"·data-group-id="6157283414-11">{</span><span·class="ss">fragment</span><span·class="p">,</span><span·class="w"> |
| 248 | ·····</span><span·class="s">"!$%&'()*+,-./0123456789:;=?@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="1 | 248 | ·····</span><span·class="s">"!$%&'()*+,-./0123456789:;=?@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="6157283414-11">}</span><span·class="p">,</span><span·class="w"> |
| 249 | ····</span><span·class="p"·data-group-id="1 | 249 | ····</span><span·class="p"·data-group-id="6157283414-12">{</span><span·class="ss">reserved</span><span·class="p">,</span><span·class="s">"!#$&'()*+,/:;=?@[]"</span><span·class="p"·data-group-id="6157283414-12">}</span><span·class="p">,</span><span·class="w"> |
| 250 | ····</span><span·class="p"·data-group-id="1 | 250 | ····</span><span·class="p"·data-group-id="6157283414-13">{</span><span·class="ss">unreserved</span><span·class="p">,</span><span·class="w"> |
| 251 | ·····</span><span·class="s">"-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="1 | 251 | ·····</span><span·class="s">"-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~"</span><span·class="p"·data-group-id="6157283414-13">}</span><span·class="p"·data-group-id="6157283414-2">]</span></code></pre><p>If·a·URI·component·has·a·character·that·is·not·allowed,·it·will·be |
| 252 | percent-encoded·when·the·URI·is·produced:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">recompose</span><span·class="p"·data-group-id=" | 252 | percent-encoded·when·the·URI·is·produced:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">2</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">recompose</span><span·class="p"·data-group-id="7611736176-1">(</span><span·class="p"·data-group-id="7611736176-2">#{</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"https"</span><span·class="p">,</span><span·clas[·...·truncated·by·diffoscope;·len:·444,·SHA:·5b0dd7e2927f3aceff7185e3c9f719828121bbc157efa450a7590d2ca8de04d1·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 253 | ····</span><span·class="s">"https://local%23host"</span></code></pre><p>Consuming·a·URI·containing·percent-encoded·triplets·can·take·many·steps.·The | 253 | ····</span><span·class="s">"https://local%23host"</span></code></pre><p>Consuming·a·URI·containing·percent-encoded·triplets·can·take·many·steps.·The |
| 254 | following·example·shows·how·to·handle·an·input·URI·that·is·not·normalized·and | 254 | following·example·shows·how·to·handle·an·input·URI·that·is·not·normalized·and |
| 255 | contains·multiple·percent-encoded·triplets.·First,·the·input | 255 | contains·multiple·percent-encoded·triplets.·First,·the·input |
| 256 | <a·href="uri_string.html#t:uri_string/0"><code·class="inline">uri_string()</code></a>·is·to·be·parsed·into·a | 256 | <a·href="uri_string.html#t:uri_string/0"><code·class="inline">uri_string()</code></a>·is·to·be·parsed·into·a |
| 257 | <a·href="uri_string.html#t:uri_map/0"><code·class="inline">uri_map()</code></a>.·The·parsing·only·splits·the·URI·into | 257 | <a·href="uri_string.html#t:uri_map/0"><code·class="inline">uri_map()</code></a>.·The·parsing·only·splits·the·URI·into |
| 258 | its·components·without·doing·any·decoding:</p><pre><code·class="text">····3>·uri_string:parse("http://%6C%6Fcal%23host/%F6re%26bro%20"). | 258 | its·components·without·doing·any·decoding:</p><pre><code·class="text">····3>·uri_string:parse("http://%6C%6Fcal%23host/%F6re%26bro%20"). |
| 259 | ····#{host·=>·"%6C%6Fcal%23host",path·=>·"/%F6re%26bro%20", | 259 | ····#{host·=>·"%6C%6Fcal%23host",path·=>·"/%F6re%26bro%20", |
| 260 | ······scheme·=>·"http"}}</code></pre><p>The·input·is·a·valid·URI·but·how·can·you·decode·those·percent-encoded·octets? | 260 | ······scheme·=>·"http"}}</code></pre><p>The·input·is·a·valid·URI·but·how·can·you·decode·those·percent-encoded·octets? |
| 261 | You·can·try·to·normalize·the·input·with·<a·href="uri_string.html#normalize/1"><code·class="inline">uri_string:normalize/1</code></a>.·The·normalize | 261 | You·can·try·to·normalize·the·input·with·<a·href="uri_string.html#normalize/1"><code·class="inline">uri_string:normalize/1</code></a>.·The·normalize |
| 262 | operation·decodes·those·percent-encoded·triplets·that·correspond·to·a·character | 262 | operation·decodes·those·percent-encoded·triplets·that·correspond·to·a·character |
| 263 | in·the·unreserved·set.·Normalization·is·a·safe,·idempotent·operation·that | 263 | in·the·unreserved·set.·Normalization·is·a·safe,·idempotent·operation·that |
| 264 | converts·a·URI·into·its·canonical·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 264 | converts·a·URI·into·its·canonical·form:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">4</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="9101975104-1">(</span><span·class="s">"http://%6C%6Fcal%23host/%F6re%26bro%20"</span><span·class="p"·data-group-id="9101975104-1">)</span><span·class="p">.</span><span·class="w"> |
| 265 | ····</span><span·class="s">"http://local%23host/%F6re%26bro%20"</span><span·class="w"> | 265 | ····</span><span·class="s">"http://local%23host/%F6re%26bro%20"</span><span·class="w"> |
| 266 | ····</span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id=" | 266 | ····</span><span·class="mi">5</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">normalize</span><span·class="p"·data-group-id="9101975104-2">(</span><span·class="s">"http://%6C%6Fcal%23host/%F6re%26bro%20"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9101975104-3">[</span><span·class="ss">return_map</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·67,·SHA:·89e1632e9f2a4cf2df5947b451b8d78d2acca5f40765385c4f4351a16e3c2ef6·...·]4-2">)</span><span·class="p">.</span><span·class="w"> |
| 267 | ····</span><span·class="p"·data-group-id=" | 267 | ····</span><span·class="p"·data-group-id="9101975104-4">#{</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"local%23host"</span><span·class="p">,</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"/%F6re%26bro%20"</span><span·class="p">,</span><span·class="w"> |
| 268 | ······</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p"·data-group-id=" | 268 | ······</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p"·data-group-id="9101975104-4">}</span></code></pre><p>There·are·still·a·few·percent-encoded·triplets·left·in·the·output.·At·this |
| 269 | point,·when·the·URI·is·already·parsed,·it·is·safe·to·apply·application·specific | 269 | point,·when·the·URI·is·already·parsed,·it·is·safe·to·apply·application·specific |
| 270 | decoding·on·the·remaining·character·triplets.·Erlang/OTP·provides·a·function, | 270 | decoding·on·the·remaining·character·triplets.·Erlang/OTP·provides·a·function, |
| 271 | <a·href="uri_string.html#percent_decode/1"><code·class="inline">uri_string:percent_decode/1</code></a>·for·raw·percent·decoding·that·you·can·use·on·the | 271 | <a·href="uri_string.html#percent_decode/1"><code·class="inline">uri_string:percent_decode/1</code></a>·for·raw·percent·decoding·that·you·can·use·on·the |
| 272 | host·and·path·components,·or·on·the·whole·map:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id=" | 272 | host·and·path·components,·or·on·the·whole·map:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">6</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id="7600555672-1">(</span><span·class="s">"local%23host"</span><span·class="p"·data-group-id="7600555672-1">)</span><span·class="p">.</span><span·class="w"> |
| 273 | ····</span><span·class="s">"local#host"</span><span·class="w"> | 273 | ····</span><span·class="s">"local#host"</span><span·class="w"> |
| 274 | ····</span><span·class="mi">7</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id=" | 274 | ····</span><span·class="mi">7</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id="7600555672-2">(</span><span·class="s">"/%F6re%26bro%20"</span><span·class="p"·data-group-id="7600555672-2">)</span><span·class="p">.</span><span·class="w"> |
| 275 | ····</span><span·class="p"·data-group-id=" | 275 | ····</span><span·class="p"·data-group-id="7600555672-3">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="ss">invalid_utf8</span><span·class="p">,</span><span·class="p"·data-group-id="7600555672-4"><<</span><span·class="s">"/öre&bro·"</span><span·class="[·...·truncated·by·diffoscope;·len:·88,·SHA:·d2a7eb35169ba63678e90c31f3d14d380540bba3c6d9348c502dcac120e57479·...·]-3">}</span><span·class="w"> |
| 276 | ····</span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id=" | 276 | ····</span><span·class="mi">8</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id="7600555672-5">(</span><span·class="p"·data-group-id="7600555672-6">#{</span><span·class="ss">host</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"local%23host"</span><span·class="p">,</span><span·class="ss">path</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"/%F6re%26bro%20"</span><span·class="p">,</span><span·class="w"> |
| 277 | ····</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p"·data-group-id=" | 277 | ····</span><span·class="ss">scheme</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="s">"http"</span><span·class="p"·data-group-id="7600555672-6">}</span><span·class="p"·data-group-id="7600555672-5">)</span><span·class="p">.</span><span·class="w"> |
| 278 | ····</span><span·class="p"·data-group-id=" | 278 | ····</span><span·class="p"·data-group-id="7600555672-7">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="p"·data-group-id="7600555672-8">{</span><span·class="ss">invalid</span><span·class="p">,</span><span·class="p"·data-group-id="7600555672-9">{</span><span·class="ss">pat[·...·truncated·by·diffoscope;·len:·517,·SHA:·5d6525721bc7d04d35d32c1006db786547411ddf01d2ff76de3691804e2453bd·...·]-7">}</span></code></pre><p>The·<code·class="inline">host</code>·was·successfully·decoded·but·the·path·contains·at·least·one·character |
| 279 | with·non-UTF-8·encoding.·In·order·to·be·able·to·decode·this,·you·have·to·make | 279 | with·non-UTF-8·encoding.·In·order·to·be·able·to·decode·this,·you·have·to·make |
| 280 | assumptions·about·the·encoding·used·in·these·triplets.·The·most·obvious·choice | 280 | assumptions·about·the·encoding·used·in·these·triplets.·The·most·obvious·choice |
| 281 | is·<em>latin-1</em>,·so·you·can·try·<a·href="uri_string.html#transcode/2"><code·class="inline">uri_string:transcode/2</code></a>,·to·transcode·the·path·to | 281 | is·<em>latin-1</em>,·so·you·can·try·<a·href="uri_string.html#transcode/2"><code·class="inline">uri_string:transcode/2</code></a>,·to·transcode·the·path·to |
| 282 | UTF-8·and·run·the·percent-decode·operation·on·the·transcoded·string:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">9</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">transcode</span><span·class="p"·data-group-id=" | 282 | UTF-8·and·run·the·percent-decode·operation·on·the·transcoded·string:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">9</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">transcode</span><span·class="p"·data-group-id="2393764255-1">(</span><span·class="s">"/%F6re%26bro%20"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2393764255-2">[</span><span·class="p"·data-group-id="2393764255-3">{</span><span·class="ss">in_encoding</[·...·truncated·by·diffoscope;·len:·230,·SHA:·1e873b1a88232393daf8cc854fac7dd208441326c0a425d46393cae78dcdddb3·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 283 | ····</span><span·class="s">"/%C3%B6re%26bro%20"</span><span·class="w"> | 283 | ····</span><span·class="s">"/%C3%B6re%26bro%20"</span><span·class="w"> |
| 284 | ····</span><span·class="mi">10</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id=" | 284 | ····</span><span·class="mi">10</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id="2393764255-4">(</span><span·class="s">"/%C3%B6re%26bro%20"</span><span·class="p"·data-group-id="2393764255-4">)</span><span·class="p">.</span><span·class="w"> |
| 285 | ····</span><span·class="s">"/öre&bro·"</span></code></pre><p>It·is·important·to·emphasize·that·it·is·not·safe·to·apply | 285 | ····</span><span·class="s">"/öre&bro·"</span></code></pre><p>It·is·important·to·emphasize·that·it·is·not·safe·to·apply |
| 286 | <a·href="uri_string.html#percent_decode/1"><code·class="inline">uri_string:percent_decode/1</code></a>·directly·on·an·input·URI:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">11</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id="0 | 286 | <a·href="uri_string.html#percent_decode/1"><code·class="inline">uri_string:percent_decode/1</code></a>·directly·on·an·input·URI:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="mi">11</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">percent_decode</span><span·class="p"·data-group-id="0326659018-1">(</span><span·class="s">"http://%6C%6Fcal%23host/%C3%B6re%26bro%20"</span><span·class="p"·data-group-id="0326659018-1">)</span><span·class="p">.</span><span·class="w"> |
| 287 | ····</span><span·class="s">"http://local#host/öre&bro·"</span><span·class="w"> | 287 | ····</span><span·class="s">"http://local#host/öre&bro·"</span><span·class="w"> |
| 288 | ····</span><span·class="mi">12</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="0 | 288 | ····</span><span·class="mi">12</span><span·class="o">></span><span·class="w">·</span><span·class="nc">uri_string</span><span·class="p">:</span><span·class="nf">parse</span><span·class="p"·data-group-id="0326659018-2">(</span><span·class="s">"http://local#host/öre&bro·"</span><span·class="p"·data-group-id="0326659018-2">)</span><span·class="p">.</span><span·class="w"> |
| 289 | ····</span><span·class="p"·data-group-id="0 | 289 | ····</span><span·class="p"·data-group-id="0326659018-3">{</span><span·class="ss">error</span><span·class="p">,</span><span·class="ss">invalid_uri</span><span·class="p">,</span><span·class="s">":"</span><span·class="p"·data-group-id="0326659018-3">}</span></code></pre><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>Percent-encoding·is·implemented·in·<a·href="uri_string.html#recompose/1"><code·class="inline">uri_string:recompose/1</code></a>·and·it·happens |
| 290 | when·converting·a·<a·href="uri_string.html#t:uri_map/0"><code·class="inline">uri_map()</code></a>·into·a | 290 | when·converting·a·<a·href="uri_string.html#t:uri_map/0"><code·class="inline">uri_map()</code></a>·into·a |
| 291 | <a·href="uri_string.html#t:uri_string/0"><code·class="inline">uri_string()</code></a>.·Applying·any·percent-encoding | 291 | <a·href="uri_string.html#t:uri_string/0"><code·class="inline">uri_string()</code></a>.·Applying·any·percent-encoding |
| 292 | directly·on·an·input·URI·would·not·be·safe·just·as·in·the·case·of | 292 | directly·on·an·input·URI·would·not·be·safe·just·as·in·the·case·of |
| 293 | <a·href="uri_string.html#percent_decode/1"><code·class="inline">uri_string:percent_decode/1</code></a>,·the·output·could·be·an·invalid·URI.·Quoting | 293 | <a·href="uri_string.html#percent_decode/1"><code·class="inline">uri_string:percent_decode/1</code></a>,·the·output·could·be·an·invalid·URI.·Quoting |
| 294 | functions·allow·users·to·perform·raw·percent·encoding·and·decoding·on | 294 | functions·allow·users·to·perform·raw·percent·encoding·and·decoding·on |
| 295 | application·data·which·cannot·be·handled·automatically·by | 295 | application·data·which·cannot·be·handled·automatically·by |
| 296 | <a·href="uri_string.html#recompose/1"><code·class="inline">uri_string:recompose/1</code></a>.·For·example·in·scenario·when·user·would·need·to·use | 296 | <a·href="uri_string.html#recompose/1"><code·class="inline">uri_string:recompose/1</code></a>.·For·example·in·scenario·when·user·would·need·to·use |
| Offset 378, 15 lines modified | Offset 378, 15 lines modified | ||
| 378 | ······<p·class="built-using"> | 378 | ······<p·class="built-using"> |
| 379 | ········Built·using | 379 | ········Built·using |
| 380 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 380 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 381 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 381 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 382 | ······</p> | 382 | ······</p> |
| 383 | <p>Copyright·©·1996-202 | 383 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 384 | ····</footer> | 384 | ····</footer> |
| 385 | ··</div> | 385 | ··</div> |
| 386 | </main> | 386 | </main> |
| 387 | </div> | 387 | </div> |
| 388 | <script> | 388 | <script> |
| 389 | ··function·mermaidLoaded()·{ | 389 | ··function·mermaidLoaded()·{ |
| 390 | ····mermaid.initialize({ | 390 | ····mermaid.initialize({ |
| Offset 882, 15 lines modified | Offset 882, 15 lines modified | ||
| 882 | ······<p·class="built-using"> | 882 | ······<p·class="built-using"> |
| 883 | ········Built·using | 883 | ········Built·using |
| 884 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 884 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 885 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 885 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 886 | ······</p> | 886 | ······</p> |
| 887 | <p>Copyright·©·1996-202 | 887 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 888 | ····</footer> | 888 | ····</footer> |
| 889 | ··</div> | 889 | ··</div> |
| 890 | </main> | 890 | </main> |
| 891 | </div> | 891 | </div> |
| 892 | <script> | 892 | <script> |
| 893 | ··function·mermaidLoaded()·{ | 893 | ··function·mermaidLoaded()·{ |
| 894 | ····mermaid.initialize({ | 894 | ····mermaid.initialize({ |
| Offset 1020, 37 lines modified | Offset 1020, 37 lines modified | ||
| 1020 | <code·class="inline">Archive</code>,·starting·with·<code·class="inline">AccIn·==·Acc0</code>.</p><p><code·class="inline">FileInArchive</code>·is·the·name·that·the·file·has·in·the·archive.</p><p><code·class="inline">GetInfo</code>·is·a·fun·that·returns·information·about·the·file.</p><p><code·class="inline">GetBin</code>·returns·the·file·contents.</p><p>Both·<code·class="inline">GetInfo</code>·and·<code·class="inline">GetBin</code>·must·be·called·within·the·<code·class="inline">Fun</code>.·Their·behavior·is | 1020 | <code·class="inline">Archive</code>,·starting·with·<code·class="inline">AccIn·==·Acc0</code>.</p><p><code·class="inline">FileInArchive</code>·is·the·name·that·the·file·has·in·the·archive.</p><p><code·class="inline">GetInfo</code>·is·a·fun·that·returns·information·about·the·file.</p><p><code·class="inline">GetBin</code>·returns·the·file·contents.</p><p>Both·<code·class="inline">GetInfo</code>·and·<code·class="inline">GetBin</code>·must·be·called·within·the·<code·class="inline">Fun</code>.·Their·behavior·is |
| 1021 | undefined·if·they·are·called·outside·the·context·of·<code·class="inline">Fun</code>.</p><p>The·<code·class="inline">Fun</code>·must·return·a·new·accumulator,·which·is·passed·to·the·next·call. | 1021 | undefined·if·they·are·called·outside·the·context·of·<code·class="inline">Fun</code>.</p><p>The·<code·class="inline">Fun</code>·must·return·a·new·accumulator,·which·is·passed·to·the·next·call. |
| 1022 | <a·href="#foldl/3"><code·class="inline">foldl/3</code></a>·returns·the·final·accumulator·value.·<code·class="inline">Acc0</code>·is·returned | 1022 | <a·href="#foldl/3"><code·class="inline">foldl/3</code></a>·returns·the·final·accumulator·value.·<code·class="inline">Acc0</code>·is·returned |
| 1023 | if·the·archive·is·empty.·It·is·not·necessary·to·iterate·over·all·files·in·the | 1023 | if·the·archive·is·empty.·It·is·not·necessary·to·iterate·over·all·files·in·the |
| 1024 | archive.·The·iteration·can·be·ended·prematurely·in·a·controlled·manner·by | 1024 | archive.·The·iteration·can·be·ended·prematurely·in·a·controlled·manner·by |
| 1025 | throwing·an·exception.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"dummy.zip"</span><span·class="p">.</span><span·class="w"> | 1025 | throwing·an·exception.</p><p><em>Example:</em></p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">>·</span><span·class="n">Name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="s">"dummy.zip"</span><span·class="p">.</span><span·class="w"> |
| 1026 | </span><span·class="s">"dummy.zip"</span><span·class="gp·unselectable"> | 1026 | </span><span·class="s">"dummy.zip"</span><span·class="gp·unselectable"> |
| 1027 | >·</span><span·class="p"·data-group-id=" | 1027 | >·</span><span·class="p"·data-group-id="8617245633-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8617245633-2">{</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bin</span><span·[·...·truncated·by·diffoscope;·len:·1460,·SHA:·3699d6b72e61d5a2ddba0384e8c30caaed7b5df0124c5a15923465cd95d75517·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 1028 | </span><span·class="p"·data-group-id=" | 1028 | </span><span·class="p"·data-group-id="8617245633-10">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="8617245633-11">{</span><span·class="s">"dummy.zip"</span><span·class="p">,</span><span·class="w"> |
| 1029 | ·····</span><span·class="p"·data-group-id=" | 1029 | ·····</span><span·class="p"·data-group-id="8617245633-12"><<</span><span·class="mi">80</span><span·class="p">,</span><span·class="mi">75</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">20</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">74</span><span·class="p">,</span><span·class="mi">152</span><span·class="p">,</span><span·class="mi">97</span><span·class="p">,</span><span·class="mi">60</span><span·class="p">,</span><span·class="mi">171</span><span·class="p">,</span><span·class="mi">39</span><span·class="p">,</span><span·class="mi">212</span><span·class="p">,</span><span·class="mi">26</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 1030 | ·······</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 1030 | ·······</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="8617245633-12">>></span><span·class="p"·data-group-id="8617245633-11">}</span><span·class="p"·data-group-id="8617245633-10">}</span><span·class="gp·unselectable"> |
| 1031 | >·</span><span·class="p"·data-group-id=" | 1031 | >·</span><span·class="p"·data-group-id="8617245633-13">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">FileSpec</span><span·class="p"·data-group-id="8617245633-13">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·1787,·SHA:·52e8d29b2aaad33396a6ab20b0dba4b27c1a5278661c80c32aaac601f4ae2040·...·]-14">)</span><span·class="p">.</span><span·class="w"> |
| 1032 | </span><span·class="p"·data-group-id=" | 1032 | </span><span·class="p"·data-group-id="8617245633-22">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="8617245633-23">[</span><span·class="p"·data-group-id="8617245633-24">{</span><span·class="s">"bar"</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·127,·SHA:·c5378ae3239f0ca1fae58419e357d73b6dbf652a25890eba26fb8802e90e3fe6·...·]-25">>></span><span·class="p">,</span><span·class="w"> |
| 1033 | ······</span><span·class="p"·data-group-id=" | 1033 | ······</span><span·class="p"·data-group-id="8617245633-26">{</span><span·class="ss">file_info</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="ss">regular</span><span·class="p">,</span><span·class="ss">read_write</span><span·class="p">,</span><span·class="w"> |
| 1034 | ·················</span><span·class="p"·data-group-id=" | 1034 | ·················</span><span·class="p"·data-group-id="8617245633-27">{</span><span·class="p"·data-group-id="8617245633-28">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8617245633-28">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·22a39aec6edc31f32f19f285c66c7894e16c5f2e6566717482d6f929b445eedf·...·]-27">}</span><span·class="p">,</span><span·class="w"> |
| 1035 | ·················</span><span·class="p"·data-group-id=" | 1035 | ·················</span><span·class="p"·data-group-id="8617245633-30">{</span><span·class="p"·data-group-id="8617245633-31">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8617245633-31">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·a6ceeeece5f16d734e12c3f898b81b3cdb7491e4f17bc1c4ea44d42478dde74e·...·]-30">}</span><span·class="p">,</span><span·class="w"> |
| 1036 | ·················</span><span·class="p"·data-group-id=" | 1036 | ·················</span><span·class="p"·data-group-id="8617245633-33">{</span><span·class="p"·data-group-id="8617245633-34">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8617245633-34">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·ee5590ff83a0209d0b5d648ea970453c4f6b4239b23f1c84d5f8866ede106993·...·]-33">}</span><span·class="p">,</span><span·class="w"> |
| 1037 | ·················</span><span·class="mi">54</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id=" | 1037 | ·················</span><span·class="mi">54</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="8617245633-26">}</span><span·class="p"·data-group-id="8617245633-24">}</span><span·class="p">,</span><span·class="w"> |
| 1038 | ·····</span><span·class="p"·data-group-id=" | 1038 | ·····</span><span·class="p"·data-group-id="8617245633-36">{</span><span·class="s">"foo"</span><span·class="p">,</span><span·class="p"·data-group-id="8617245633-37"><<</span><span·class="s">"FOO"</span><span·class="p"·data-group-id="8617245633-37">>></span><span·class="p">,</span><span·class="w"> |
| 1039 | ······</span><span·class="p"·data-group-id=" | 1039 | ······</span><span·class="p"·data-group-id="8617245633-38">{</span><span·class="ss">file_info</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="ss">regular</span><span·class="p">,</span><span·class="ss">read_write</span><span·class="p">,</span><span·class="w"> |
| 1040 | ·················</span><span·class="p"·data-group-id=" | 1040 | ·················</span><span·class="p"·data-group-id="8617245633-39">{</span><span·class="p"·data-group-id="8617245633-40">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8617245633-40">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·cda9d104bb6dc3e0e2bf21d7895692956f3f39d4728a60fdaa54b41d49d9dc25·...·]-39">}</span><span·class="p">,</span><span·class="w"> |
| 1041 | ·················</span><span·class="p"·data-group-id=" | 1041 | ·················</span><span·class="p"·data-group-id="8617245633-42">{</span><span·class="p"·data-group-id="8617245633-43">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8617245633-43">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·f3b36626c9d4ad191ab8af758d122861d34b2e9fe794d7ab8a294d03c3baf27a·...·]-42">}</span><span·class="p">,</span><span·class="w"> |
| 1042 | ·················</span><span·class="p"·data-group-id=" | 1042 | ·················</span><span·class="p"·data-group-id="8617245633-45">{</span><span·class="p"·data-group-id="8617245633-46">{</span><span·class="mi">2010</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8617245633-46">}</span[·...·truncated·by·diffoscope;·len:·299,·SHA:·4c81c9ebd8ff993aa78255571ef1b4d9f8d8a9b99c115a5bf038fbfd4d87d1e0·...·]-45">}</span><span·class="p">,</span><span·class="w"> |
| 1043 | ·················</span><span·class="mi">54</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id=" | 1043 | ·················</span><span·class="mi">54</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="8617245633-38">}</span><span·class="p"·data-group-id="8617245633-36">}</span><span·class="p"·data-group-id="8617245633-23">]</span><span·class="p"·data-group-id="8617245633-22">}</span><span·class="gp·unselectable"> |
| 1044 | >·</span><span·class="p"·data-group-id=" | 1044 | >·</span><span·class="p"·data-group-id="8617245633-48">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="8617245633-49">{</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Bin</span><spa[·...·truncated·by·diffoscope;·len:·836,·SHA:·e225dce090fff2920bd9ddde6c231a2039f76289bb8d29d2d160b73446c8b95f·...·]-50">)</span><span·class="p">.</span><span·class="w"> |
| 1045 | </span><span·class="p"·data-group-id=" | 1045 | </span><span·class="p"·data-group-id="8617245633-53">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="8617245633-54">{</span><span·class="s">"dummy.zip"</span><span·class="p">,</span><span·class="w"> |
| 1046 | ·····</span><span·class="p"·data-group-id=" | 1046 | ·····</span><span·class="p"·data-group-id="8617245633-55"><<</span><span·class="mi">80</span><span·class="p">,</span><span·class="mi">75</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">4</span><span·class="p">,</span><span·class="mi">20</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">74</span><span·class="p">,</span><span·class="mi">152</span><span·class="p">,</span><span·class="mi">97</span><span·class="p">,</span><span·class="mi">60</span><span·class="p">,</span><span·class="mi">171</span><span·class="p">,</span><span·class="mi">39</span><span·class="p">,</span><span·class="mi">212</span><span·class="p">,</span><span·class="mi">26</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 1047 | ·······</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id=" | 1047 | ·······</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="8617245633-55">>></span><span·class="p"·data-group-id="8617245633-54">}</span><span·class="p"·data-group-id="8617245633-53">}</span><span·class="gp·unselectable"> |
| 1048 | >·</span><span·class="k">catch</span><span·class="w">·</span><span·class="nc">zip</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id=" | 1048 | >·</span><span·class="k">catch</span><span·class="w">·</span><span·class="nc">zip</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="8617245633-56">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="8617245633-57">(</span><span·class="s">"foo"</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p">,</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·1433,·SHA:·8bd1409b707b652d8a13253acce0fe658b49745536abe0d2cbdf64a57a99abcf·...·]-56">)</span><span·class="p">.</span><span·class="w"> |
| 1049 | </span><span·class="p"·data-group-id=" | 1049 | </span><span·class="p"·data-group-id="8617245633-63"><<</span><span·class="s">"FOO"</span><span·class="p"·data-group-id="8617245633-63">>></span></code></pre> |
| 1050 | ··</section> | 1050 | ··</section> |
| 1051 | </section> | 1051 | </section> |
| 1052 | <section·class="detail"·id="list_dir/1"> | 1052 | <section·class="detail"·id="list_dir/1"> |
| 1053 | ··<div·class="detail-header"> | 1053 | ··<div·class="detail-header"> |
| 1054 | ····<a·href="#list_dir/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1054 | ····<a·href="#list_dir/1"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1055 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1055 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1619, 15 lines modified | Offset 1619, 15 lines modified | ||
| 1619 | ······<p·class="built-using"> | 1619 | ······<p·class="built-using"> |
| 1620 | ········Built·using | 1620 | ········Built·using |
| 1621 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1621 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1622 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1622 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1623 | ······</p> | 1623 | ······</p> |
| 1624 | <p>Copyright·©·1996-202 | 1624 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1625 | ····</footer> | 1625 | ····</footer> |
| 1626 | ··</div> | 1626 | ··</div> |
| 1627 | </main> | 1627 | </main> |
| 1628 | </div> | 1628 | </div> |
| 1629 | <script> | 1629 | <script> |
| 1630 | ··function·mermaidLoaded()·{ | 1630 | ··function·mermaidLoaded()·{ |
| 1631 | ····mermaid.initialize({ | 1631 | ····mermaid.initialize({ |
| Offset 139, 15 lines modified | Offset 139, 15 lines modified | ||
| 139 | ······<p·class="built-using"> | 139 | ······<p·class="built-using"> |
| 140 | ········Built·using | 140 | ········Built·using |
| 141 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 141 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 142 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 142 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 143 | ······</p> | 143 | ······</p> |
| 144 | <p>Copyright·©·1996-202 | 144 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 145 | ····</footer> | 145 | ····</footer> |
| 146 | ··</div> | 146 | ··</div> |
| 147 | </main> | 147 | </main> |
| 148 | </div> | 148 | </div> |
| 149 | <script> | 149 | <script> |
| 150 | ··function·mermaidLoaded()·{ | 150 | ··function·mermaidLoaded()·{ |
| 151 | ····mermaid.initialize({ | 151 | ····mermaid.initialize({ |
| Offset 249, 15 lines modified | Offset 249, 15 lines modified | ||
| 249 | ······<p·class="built-using"> | 249 | ······<p·class="built-using"> |
| 250 | ········Built·using | 250 | ········Built·using |
| 251 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 251 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 252 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 252 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 253 | ······</p> | 253 | ······</p> |
| 254 | <p>Copyright·©·1996-202 | 254 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 255 | ····</footer> | 255 | ····</footer> |
| 256 | ··</div> | 256 | ··</div> |
| 257 | </main> | 257 | </main> |
| 258 | </div> | 258 | </div> |
| 259 | <script> | 259 | <script> |
| 260 | ··function·mermaidLoaded()·{ | 260 | ··function·mermaidLoaded()·{ |
| 261 | ····mermaid.initialize({ | 261 | ····mermaid.initialize({ |
| Offset 177, 15 lines modified | Offset 177, 15 lines modified | ||
| 177 | ······<p·class="built-using"> | 177 | ······<p·class="built-using"> |
| 178 | ········Built·using | 178 | ········Built·using |
| 179 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 179 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 180 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 180 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 181 | ······</p> | 181 | ······</p> |
| 182 | <p>Copyright·©·1996-202 | 182 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 183 | ····</footer> | 183 | ····</footer> |
| 184 | ··</div> | 184 | ··</div> |
| 185 | </main> | 185 | </main> |
| 186 | </div> | 186 | </div> |
| 187 | <script> | 187 | <script> |
| 188 | ··function·mermaidLoaded()·{ | 188 | ··function·mermaidLoaded()·{ |
| 189 | ····mermaid.initialize({ | 189 | ····mermaid.initialize({ |
| Offset 853, 15 lines modified | Offset 853, 15 lines modified | ||
| 853 | ······<p·class="built-using"> | 853 | ······<p·class="built-using"> |
| 854 | ········Built·using | 854 | ········Built·using |
| 855 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 855 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 856 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 856 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 857 | ······</p> | 857 | ······</p> |
| 858 | <p>Copyright·©·1996-202 | 858 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 859 | ····</footer> | 859 | ····</footer> |
| 860 | ··</div> | 860 | ··</div> |
| 861 | </main> | 861 | </main> |
| 862 | </div> | 862 | </div> |
| 863 | <script> | 863 | <script> |
| 864 | ··function·mermaidLoaded()·{ | 864 | ··function·mermaidLoaded()·{ |
| 865 | ····mermaid.initialize({ | 865 | ····mermaid.initialize({ |
| Offset 433, 15 lines modified | Offset 433, 15 lines modified | ||
| 433 | ······<p·class="built-using"> | 433 | ······<p·class="built-using"> |
| 434 | ········Built·using | 434 | ········Built·using |
| 435 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 435 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 436 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 436 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 437 | ······</p> | 437 | ······</p> |
| 438 | <p>Copyright·©·1996-202 | 438 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 439 | ····</footer> | 439 | ····</footer> |
| 440 | ··</div> | 440 | ··</div> |
| 441 | </main> | 441 | </main> |
| 442 | </div> | 442 | </div> |
| 443 | <script> | 443 | <script> |
| 444 | ··function·mermaidLoaded()·{ | 444 | ··function·mermaidLoaded()·{ |
| 445 | ····mermaid.initialize({ | 445 | ····mermaid.initialize({ |
| Offset 969, 15 lines modified | Offset 969, 15 lines modified | ||
| 969 | ······<p·class="built-using"> | 969 | ······<p·class="built-using"> |
| 970 | ········Built·using | 970 | ········Built·using |
| 971 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 971 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 972 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 972 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 973 | ······</p> | 973 | ······</p> |
| 974 | <p>Copyright·©·1996-202 | 974 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 975 | ····</footer> | 975 | ····</footer> |
| 976 | ··</div> | 976 | ··</div> |
| 977 | </main> | 977 | </main> |
| 978 | </div> | 978 | </div> |
| 979 | <script> | 979 | <script> |
| 980 | ··function·mermaidLoaded()·{ | 980 | ··function·mermaidLoaded()·{ |
| 981 | ····mermaid.initialize({ | 981 | ····mermaid.initialize({ |
| Offset 379, 15 lines modified | Offset 379, 15 lines modified | ||
| 379 | ······<p·class="built-using"> | 379 | ······<p·class="built-using"> |
| 380 | ········Built·using | 380 | ········Built·using |
| 381 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 381 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 382 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 382 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 383 | ······</p> | 383 | ······</p> |
| 384 | <p>Copyright·©·1996-202 | 384 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 385 | ····</footer> | 385 | ····</footer> |
| 386 | ··</div> | 386 | ··</div> |
| 387 | </main> | 387 | </main> |
| 388 | </div> | 388 | </div> |
| 389 | <script> | 389 | <script> |
| 390 | ··function·mermaidLoaded()·{ | 390 | ··function·mermaidLoaded()·{ |
| 391 | ····mermaid.initialize({ | 391 | ····mermaid.initialize({ |
| Offset 6602, 18 lines modified | Offset 6602, 18 lines modified | ||
| 6602 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_postcomments(<a·href="#t:syntaxTree/0">syntaxTree</a>())·->·[<a·href="#t:syntaxTree/0">syntaxTree</a>()].</pre> | 6602 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_postcomments(<a·href="#t:syntaxTree/0">syntaxTree</a>())·->·[<a·href="#t:syntaxTree/0">syntaxTree</a>()].</pre> |
| 6603 | ······</div> | 6603 | ······</div> |
| 6604 | <p>Returns·the·associated·post-comments·of·a·node.</p><p>This·is·a·possibly·empty·list·of·abstract·comments,·in·top-down | 6604 | <p>Returns·the·associated·post-comments·of·a·node.</p><p>This·is·a·possibly·empty·list·of·abstract·comments,·in·top-down |
| 6605 | textual·order.·When·the·code·is·formatted,·post-comments·are·typically | 6605 | textual·order.·When·the·code·is·formatted,·post-comments·are·typically |
| 6606 | displayed·to·the·right·of·and/or·below·the·node.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 6606 | displayed·to·the·right·of·and/or·below·the·node.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2720941691-1">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Y</span><span·class="p"·data-group-id="2720941691-1">}</span><span·class="w">·····</span><span·class="c1">%·Post-comment·of·tuple</span></code></pre><p>If·possible,·the·comment·should·be·moved·past·any·following·separator·characters |
| 6607 | on·the·same·line,·rather·than·placing·the·separators·on·the·following·line. | 6607 | on·the·same·line,·rather·than·placing·the·separators·on·the·following·line. |
| 6608 | For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id=" | 6608 | For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="9504067068-1">(</span><span·class="p"·data-group-id="9504067068-2">[</span><span·class="n">X</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Xs</span><span·class="p"·data-group-id="9504067068-2">]</span><span·c[·...·truncated·by·diffoscope;·len:·106,·SHA:·6e844355e69f6aec1427248774b2bf48fcef15f0eae7c4d6d6281d94051be669·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 6609 | ····</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 6609 | ····</span><span·class="nf">foo</span><span·class="p"·data-group-id="9504067068-3">(</span><span·class="n">Xs</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">bar</span><span·class="p"·data-group-id="9504067068-4">(</span><span·class="n">X</span><span·class="p"·data-group-id="9504067068-4">)</span><spa[·...·truncated·by·diffoscope;·len:·37,·SHA:·f13d058924de0b736ba67ee42b131a64e4baf67734dd8761302fe254d4f94aeb·...·]-3">)</span><span·class="p">;</span><span·class="w">·····</span><span·class="c1">%·Post-comment·of·'bar(X)'·node</span><span·class="w"> |
| 6610 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>(where·the·comment·is·moved·past·the·rightmost·"<code·class="inline">)</code>"·and·the·"<code·class="inline">;</code>").</p><p><em>See·also:·</em><a·href="#comment/2"><code·class="inline">comment/2</code></a>,·<a·href="#get_attrs/1"><code·class="inline">get_attrs/1</code></a>,·<a·href="#get_precomments/1"><code·class="inline">get_precomments/1</code></a>, | 6610 | ·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>(where·the·comment·is·moved·past·the·rightmost·"<code·class="inline">)</code>"·and·the·"<code·class="inline">;</code>").</p><p><em>See·also:·</em><a·href="#comment/2"><code·class="inline">comment/2</code></a>,·<a·href="#get_attrs/1"><code·class="inline">get_attrs/1</code></a>,·<a·href="#get_precomments/1"><code·class="inline">get_precomments/1</code></a>, |
| 6611 | <a·href="#set_postcomments/2"><code·class="inline">set_postcomments/2</code></a>.</p> | 6611 | <a·href="#set_postcomments/2"><code·class="inline">set_postcomments/2</code></a>.</p> |
| 6612 | ··</section> | 6612 | ··</section> |
| 6613 | </section> | 6613 | </section> |
| 6614 | <section·class="detail"·id="get_precomments/1"> | 6614 | <section·class="detail"·id="get_precomments/1"> |
| 6615 | ··<div·class="detail-header"> | 6615 | ··<div·class="detail-header"> |
| Offset 6636, 18 lines modified | Offset 6636, 18 lines modified | ||
| 6636 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_precomments(<a·href="#t:syntaxTree/0">syntaxTree</a>())·->·[<a·href="#t:syntaxTree/0">syntaxTree</a>()].</pre> | 6636 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·get_precomments(<a·href="#t:syntaxTree/0">syntaxTree</a>())·->·[<a·href="#t:syntaxTree/0">syntaxTree</a>()].</pre> |
| 6637 | ······</div> | 6637 | ······</div> |
| 6638 | <p>Returns·the·associated·pre-comments·of·a·node.</p><p>This·is·a·possibly·empty·list·of·abstract·comments,·in·top-down | 6638 | <p>Returns·the·associated·pre-comments·of·a·node.</p><p>This·is·a·possibly·empty·list·of·abstract·comments,·in·top-down |
| 6639 | textual·order.·When·the·code·is·formatted,·pre-comments·are·typically | 6639 | textual·order.·When·the·code·is·formatted,·pre-comments·are·typically |
| 6640 | displayed·directly·above·the·node.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·Pre-comment·of·function</span><span·class="w"> | 6640 | displayed·directly·above·the·node.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·Pre-comment·of·function</span><span·class="w"> |
| 6641 | </span><span·class="nf">foo</span><span·class="p"·data-group-id="4416320740-1">(</span><span·class="n">X</span><span·class="p"·data-group-id="4416320740-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-group-id="4416320740-2">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="n">X</span><span·class="p"·data-group-id="4416320740-2">}</span><span·class="p">.</span></code></pre><p>If·possible,·the·comment·should·be·moved·before·any·preceding·separator | ||
| 6642 | 6641 | </span><span·class="nf">foo</span><span·class="p"·data-group-id="3349229808-1">(</span><span·class="n">X</span><span·class="p"·data-group-id="3349229808-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·[·...·truncated·by·diffoscope;·len:·300,·SHA:·63f89c2e47836de4ef157a1c3fbf55bdc94ba242b8feed07a4bdd3abafbbf232·...·] | |
| 6642 | characters·on·the·same·line.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">foo</span><span·class="p"·data-group-id="8669304364-1">(</span><span·class="p"·data-group-id="8669304364-2">[</span><span·class="n">X</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Xs</span><span·class="p"·data-group-id="8669304364-2">]</span><span·class="p"·data-group-id="8669304364-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 6643 | ····</span><span·class="c1">%·Pre-comment·of·'bar(X)'·node</span><span·class="w"> | 6643 | ····</span><span·class="c1">%·Pre-comment·of·'bar(X)'·node</span><span·class="w"> |
| 6644 | ····</span><span·class="p"·data-group-id=" | 6644 | ····</span><span·class="p"·data-group-id="8669304364-3">[</span><span·class="nf">bar</span><span·class="p"·data-group-id="8669304364-4">(</span><span·class="n">X</span><span·class="p"·data-group-id="8669304364-4">)</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·194,·SHA:·117754be79ad3ecb64d3d0d03abd839fcacbc81595724b2192228a9646608c73·...·]-3">]</span><span·class="p">;</span><span·class="w"> |
| 6645 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>(where·the·comment·is·moved·before·the·"<code·class="inline">[</code>").</p><p><em>See·also:·</em><a·href="#comment/2"><code·class="inline">comment/2</code></a>,·<a·href="#get_attrs/1"><code·class="inline">get_attrs/1</code></a>,·<a·href="#get_postcomments/1"><code·class="inline">get_postcomments/1</code></a>, | 6645 | </span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>(where·the·comment·is·moved·before·the·"<code·class="inline">[</code>").</p><p><em>See·also:·</em><a·href="#comment/2"><code·class="inline">comment/2</code></a>,·<a·href="#get_attrs/1"><code·class="inline">get_attrs/1</code></a>,·<a·href="#get_postcomments/1"><code·class="inline">get_postcomments/1</code></a>, |
| 6646 | <a·href="#set_precomments/2"><code·class="inline">set_precomments/2</code></a>.</p> | 6646 | <a·href="#set_precomments/2"><code·class="inline">set_precomments/2</code></a>.</p> |
| 6647 | ··</section> | 6647 | ··</section> |
| 6648 | </section> | 6648 | </section> |
| 6649 | <section·class="detail"·id="has_comments/1"> | 6649 | <section·class="detail"·id="has_comments/1"> |
| 6650 | ··<div·class="detail-header"> | 6650 | ··<div·class="detail-header"> |
| Offset 11543, 15 lines modified | Offset 11543, 15 lines modified | ||
| 11543 | ······<p·class="built-using"> | 11543 | ······<p·class="built-using"> |
| 11544 | ········Built·using | 11544 | ········Built·using |
| 11545 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 11545 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 11546 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 11546 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 11547 | ······</p> | 11547 | ······</p> |
| 11548 | <p>Copyright·©·1996-202 | 11548 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 11549 | ····</footer> | 11549 | ····</footer> |
| 11550 | ··</div> | 11550 | ··</div> |
| 11551 | </main> | 11551 | </main> |
| 11552 | </div> | 11552 | </div> |
| 11553 | <script> | 11553 | <script> |
| 11554 | ··function·mermaidLoaded()·{ | 11554 | ··function·mermaidLoaded()·{ |
| 11555 | ····mermaid.initialize({ | 11555 | ····mermaid.initialize({ |
| Offset 2386, 15 lines modified | Offset 2386, 15 lines modified | ||
| 2386 | ······<p·class="built-using"> | 2386 | ······<p·class="built-using"> |
| 2387 | ········Built·using | 2387 | ········Built·using |
| 2388 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2388 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2389 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2389 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2390 | ······</p> | 2390 | ······</p> |
| 2391 | <p>Copyright·©·1996-202 | 2391 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2392 | ····</footer> | 2392 | ····</footer> |
| 2393 | ··</div> | 2393 | ··</div> |
| 2394 | </main> | 2394 | </main> |
| 2395 | </div> | 2395 | </div> |
| 2396 | <script> | 2396 | <script> |
| 2397 | ··function·mermaidLoaded()·{ | 2397 | ··function·mermaidLoaded()·{ |
| 2398 | ····mermaid.initialize({ | 2398 | ····mermaid.initialize({ |
| Offset 134, 38 lines modified | Offset 134, 38 lines modified | ||
| 134 | Merl·itself,·see·the·documentation·of·<a·href="erl_syntax.html"><code·class="inline">erl_syntax</code></a>.</p><h3·id="module-quick-start"·class="section-heading"> | 134 | Merl·itself,·see·the·documentation·of·<a·href="erl_syntax.html"><code·class="inline">erl_syntax</code></a>.</p><h3·id="module-quick-start"·class="section-heading"> |
| 135 | ··<a·href="#module-quick-start"·class="hover-link"> | 135 | ··<a·href="#module-quick-start"·class="hover-link"> |
| 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 136 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 137 | ··</a> | 137 | ··</a> |
| 138 | ··<span·class="text">Quick·start</span> | 138 | ··<span·class="text">Quick·start</span> |
| 139 | </h3> | 139 | </h3> |
| 140 | <p>To·enable·the·full·power·of·Merl,·your·module·needs·to·include·the·Merl·header | 140 | <p>To·enable·the·full·power·of·Merl,·your·module·needs·to·include·the·Merl·header |
| 141 | file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id=" | 141 | file:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include_lib</span><span·class="p"·data-group-id="6717870979-1">(</span><span·class="s">"syntax_tools/include/merl.hrl"</span><span·class="p"·data-group-id="6717870979-1">)</span><span·class="p">.</span></code></pre><p>Then,·you·can·use·the·<code·class="inline">?Q(Text)</code>·macros·in·your·code·to·create·ASTs·or·match·on |
| 142 | existing·ASTs.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Tuple</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 142 | existing·ASTs.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Tuple</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="3420655419-1">(</span><span·class="s">"{foo,·42}"</span><span·class="p"·data-group-id="3420655419-1">)</span><span·class="p">,</span><span·class="w"> |
| 143 | </span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 143 | </span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="3420655419-2">(</span><span·class="s">"{foo,·_@Number}"</span><span·class="p"·data-group-id="3420655419-2">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Tuple</span><span·class="p">,</span><span·class="w"> |
| 144 | </span><span·class="n">Call</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 144 | </span><span·class="n">Call</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="3420655419-3">(</span><span·class="s">"foo:bar(_@Number)"</span><span·class="p"·data-group-id="3420655419-3">)</span></code></pre><p>Calling·<code·class="inline">merl:print(Call)</code>·will·then·print·the·following·code:</p><pre><code·class="mak[·...·truncated·by·diffoscope;·len:·225,·SHA:·131504aaae7abdb9f36508d6dd92f4c0d39140e5e85ee6d8e86bb515b1df374c·...·]-1">)</span></code></pre><p>The·<code·class="inline">?Q</code>·macros·turn·the·quoted·code·fragments·into·ASTs,·and·lifts |
| 145 | metavariables·such·as·<code·class="inline">_@Tuple</code>·and·<code·class="inline">_@Number</code>·to·the·level·of·your·Erlang·code, | 145 | metavariables·such·as·<code·class="inline">_@Tuple</code>·and·<code·class="inline">_@Number</code>·to·the·level·of·your·Erlang·code, |
| 146 | so·you·can·use·the·corresponding·Erlang·variables·<code·class="inline">Tuple</code>·and·<code·class="inline">Number</code>·directly. | 146 | so·you·can·use·the·corresponding·Erlang·variables·<code·class="inline">Tuple</code>·and·<code·class="inline">Number</code>·directly. |
| 147 | This·is·the·most·straightforward·way·to·use·Merl,·and·in·many·cases·it's·all·you | 147 | This·is·the·most·straightforward·way·to·use·Merl,·and·in·many·cases·it's·all·you |
| 148 | need.</p><p>You·can·even·write·case·switches·using·<code·class="inline">?Q</code>·macros·as·patterns.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="n">AST</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 148 | need.</p><p>You·can·even·write·case·switches·using·<code·class="inline">?Q</code>·macros·as·patterns.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="n">AST</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 149 | ····</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 149 | ····</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="0380818741-1">(</span><span·class="s">"{foo,·_@Foo}"</span><span·class="p"·data-group-id="0380818741-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">handle</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·92,·SHA:·8d64154f84c2ae6f83a84e22aa585580eb5706fa6abb95d5b7b8dc39c2628530·...·]-2">)</span><span·class="p">;</span><span·class="w"> |
| 150 | ····</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 150 | ····</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="0380818741-3">(</span><span·class="s">"{bar,·_@Bar}"</span><span·class="p"·data-group-id="0380818741-3">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nc">erl_syntax</span><span·class="p">:</span><[·...·truncated·by·diffoscope;·len:·391,·SHA:·6ba2a693363c42fa49c08d6c952fcf07ebb9c5fec8085b59c7b8f1d58df7954d·...·]-5">)</span><span·class="p">;</span><span·class="w"> |
| 151 | ····</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">handle_default</span><span·class="p"·data-group-id=" | 151 | ····</span><span·class="p">_</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">handle_default</span><span·class="p"·data-group-id="0380818741-6">(</span><span·class="p"·data-group-id="0380818741-6">)</span><span·class="w"> |
| 152 | </span><span·class="k">end</span></code></pre><p>These·case·switches·only·allow·<code·class="inline">?Q(...)</code>·or·<code·class="inline">_</code>·as·clause·patterns,·and·the | 152 | </span><span·class="k">end</span></code></pre><p>These·case·switches·only·allow·<code·class="inline">?Q(...)</code>·or·<code·class="inline">_</code>·as·clause·patterns,·and·the |
| 153 | guards·may·contain·any·expressions,·not·just·Erlang·guard·expressions.</p><p>If·the·macro·<code·class="inline">MERL_NO_TRANSFORM</code>·is·defined·before·the·<code·class="inline">merl.hrl</code>·header·file·is | 153 | guards·may·contain·any·expressions,·not·just·Erlang·guard·expressions.</p><p>If·the·macro·<code·class="inline">MERL_NO_TRANSFORM</code>·is·defined·before·the·<code·class="inline">merl.hrl</code>·header·file·is |
| 154 | included,·the·parse·transform·used·by·Merl·will·be·disabled,·and·in·that·case, | 154 | included,·the·parse·transform·used·by·Merl·will·be·disabled,·and·in·that·case, |
| 155 | the·match·expressions·<code·class="inline">?Q(...)·=·...</code>,·case·switches·using·<code·class="inline">?Q(...)</code>·patterns, | 155 | the·match·expressions·<code·class="inline">?Q(...)·=·...</code>,·case·switches·using·<code·class="inline">?Q(...)</code>·patterns, |
| 156 | and·automatic·metavariables·like·<code·class="inline">_@Tuple</code>·cannot·be·used·in·your·code,·but·the | 156 | and·automatic·metavariables·like·<code·class="inline">_@Tuple</code>·cannot·be·used·in·your·code,·but·the |
| 157 | Merl·macros·and·functions·still·work.·To·do·metavariable·substitution,·you·need | 157 | Merl·macros·and·functions·still·work.·To·do·metavariable·substitution,·you·need |
| 158 | to·use·the·<code·class="inline">?Q(Text,·Map)</code>·macro.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Tuple</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 158 | to·use·the·<code·class="inline">?Q(Text,·Map)</code>·macro.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Tuple</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="2345354539-1">(</span><span·class="s">"{foo,·_@bar,·_@baz}"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2345354539-2">[</span><span·class="p"·data-group-id="2345354539-3">{</span><span·class="ss">bar</span[·...·truncated·by·diffoscope;·len:·453,·SHA:·ede0a487eedf30b2e1b0d4d01fbc660d96617a3ea90243cad34a9848c83a68b6·...·]-1">)</span></code></pre><p>The·text·given·to·a·<code·class="inline">?Q(Text)</code>·macro·can·be·either·a·single·string·or·a·list·of |
| 159 | strings.·The·latter·is·useful·when·you·need·to·split·a·long·expression·over | 159 | strings.·The·latter·is·useful·when·you·need·to·split·a·long·expression·over |
| 160 | multiple·lines.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="5 | 160 | multiple·lines.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="5745872400-1">(</span><span·class="p"·data-group-id="5745872400-2">[</span><span·class="s">"case·_@Expr·of"</span><span·class="p">,</span><span·class="w"> |
| 161 | ····</span><span·class="s">"··{foo,·X}·->·f(X);"</span><span·class="p">,</span><span·class="w"> | 161 | ····</span><span·class="s">"··{foo,·X}·->·f(X);"</span><span·class="p">,</span><span·class="w"> |
| 162 | ····</span><span·class="s">"··{bar,·X}·->·g(X)"</span><span·class="p">,</span><span·class="w"> | 162 | ····</span><span·class="s">"··{bar,·X}·->·g(X)"</span><span·class="p">,</span><span·class="w"> |
| 163 | ····</span><span·class="s">"··_·->·h(X)"</span><span·class="w"> | 163 | ····</span><span·class="s">"··_·->·h(X)"</span><span·class="w"> |
| 164 | </span><span·class="s">"end"</span><span·class="p"·data-group-id="5 | 164 | </span><span·class="s">"end"</span><span·class="p"·data-group-id="5745872400-2">]</span><span·class="p"·data-group-id="5745872400-1">)</span></code></pre><p>If·there·is·a·syntax·error·somewhere·in·the·text·(like·the·missing·semicolon·in |
| 165 | the·second·clause·above)·this·allows·Merl·to·generate·an·error·message·pointing | 165 | the·second·clause·above)·this·allows·Merl·to·generate·an·error·message·pointing |
| 166 | to·the·exact·line·in·your·source·code.·(Just·remember·to·comma-separate·the | 166 | to·the·exact·line·in·your·source·code.·(Just·remember·to·comma-separate·the |
| 167 | strings·in·the·list,·otherwise·Erlang·will·concatenate·the·string·fragments·as | 167 | strings·in·the·list,·otherwise·Erlang·will·concatenate·the·string·fragments·as |
| 168 | if·they·were·a·single·string.)</p><h3·id="module-metavariable-syntax"·class="section-heading"> | 168 | if·they·were·a·single·string.)</p><h3·id="module-metavariable-syntax"·class="section-heading"> |
| 169 | ··<a·href="#module-metavariable-syntax"·class="hover-link"> | 169 | ··<a·href="#module-metavariable-syntax"·class="hover-link"> |
| 170 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 170 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 171 | ··</a> | 171 | ··</a> |
| Offset 180, 73 lines modified | Offset 180, 73 lines modified | ||
| 180 | note·that·globs·only·matter·for·matching;·when·doing·substitutions,·a·non-glob | 180 | note·that·globs·only·matter·for·matching;·when·doing·substitutions,·a·non-glob |
| 181 | variable·can·be·used·to·inject·a·sequence·of·elements,·and·vice·versa.)</p><p>If·the·name·after·the·prefix·and·any·lift·and·glob·markers·is·<code·class="inline">_</code>·or·<code·class="inline">0</code>,·the | 181 | variable·can·be·used·to·inject·a·sequence·of·elements,·and·vice·versa.)</p><p>If·the·name·after·the·prefix·and·any·lift·and·glob·markers·is·<code·class="inline">_</code>·or·<code·class="inline">0</code>,·the |
| 182 | variable·is·treated·as·an·anonymous·catch-all·pattern·in·matches.·For·example, | 182 | variable·is·treated·as·an·anonymous·catch-all·pattern·in·matches.·For·example, |
| 183 | <code·class="inline">_@_</code>,·<code·class="inline">_@@_</code>,·<code·class="inline">_@__</code>,·or·even·<code·class="inline">_@__@_</code>.</p><p>Finally,·if·the·name·without·any·prefixes·or·lift/glob·markers·begins·with·an | 183 | <code·class="inline">_@_</code>,·<code·class="inline">_@@_</code>,·<code·class="inline">_@__</code>,·or·even·<code·class="inline">_@__@_</code>.</p><p>Finally,·if·the·name·without·any·prefixes·or·lift/glob·markers·begins·with·an |
| 184 | uppercase·character,·as·in·<code·class="inline">_@Foo</code>·or·<code·class="inline">_@_@Foo</code>,·it·will·become·a·variable·on | 184 | uppercase·character,·as·in·<code·class="inline">_@Foo</code>·or·<code·class="inline">_@_@Foo</code>,·it·will·become·a·variable·on |
| 185 | the·Erlang·level,·and·can·be·used·to·easily·deconstruct·and·construct·syntax | 185 | the·Erlang·level,·and·can·be·used·to·easily·deconstruct·and·construct·syntax |
| 186 | trees:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="n">Input</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 186 | trees:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="n">Input</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 187 | ····</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 187 | ····</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="6310976565-1">(</span><span·class="s">"{foo,·_@Number}"</span><span·class="p"·data-group-id="6310976565-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·c[·...·truncated·by·diffoscope;·len:·139,·SHA:·1f5c0ce73a52117d67ec66985027d4f678ab153d5126ed7c7263dd715fd859f2·...·]-2">)</span><span·class="p">;</span><span·class="w"> |
| 188 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>We·refer·to·these·as·"automatic·metavariables".·If·in·addition·the·name·ends | 188 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>We·refer·to·these·as·"automatic·metavariables".·If·in·addition·the·name·ends |
| 189 | with·<code·class="inline">@</code>,·as·in·<code·class="inline">_@Foo@</code>,·the·value·of·the·variable·as·an·Erlang·term·will·be | 189 | with·<code·class="inline">@</code>,·as·in·<code·class="inline">_@Foo@</code>,·the·value·of·the·variable·as·an·Erlang·term·will·be |
| 190 | automatically·converted·to·the·corresponding·abstract·syntax·tree·when·used·to | 190 | automatically·converted·to·the·corresponding·abstract·syntax·tree·when·used·to |
| 191 | construct·a·larger·tree.·For·example,·in:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bar</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 191 | construct·a·larger·tree.·For·example,·in:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Bar</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="4716846377-1">{</span><span·class="ss">bar</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">42</span><span·class="p"·data-group-id="4716846377-1">}</span><span·class="p">,</span><span·class="w"> |
| 192 | </span><span·class="n">Foo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 192 | </span><span·class="n">Foo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="4716846377-2">(</span><span·class="s">"{foo,·_@Bar@}"</span><span·class="p"·data-group-id="4716846377-2">)</span></code></pre><p>(where·Bar·is·just·some·term,·not·a·syntax·tree)·the·result·<code·class="inline">Foo</code>·will·be·a |
| 193 | syntax·tree·representing·<code·class="inline">{foo,·{bar,·42}}</code>.·This·avoids·the·need·for·temporary | 193 | syntax·tree·representing·<code·class="inline">{foo,·{bar,·42}}</code>.·This·avoids·the·need·for·temporary |
| 194 | variables·in·order·to·inject·data,·as·in</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">TmpBar</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erl_syntax</span><span·class="p">:</span><span·class="nf">abstract</span><span·class="p"·data-group-id=" | 194 | variables·in·order·to·inject·data,·as·in</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">TmpBar</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erl_syntax</span><span·class="p">:</span><span·class="nf">abstract</span><span·class="p"·data-group-id="1725860534-1">(</span><span·class="n">Bar</span><span·class="p"·data-group-id="1725860534-1">)</span><span·class="p">,</span><span·class="w"> |
| 195 | </span><span·class="n">Foo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 195 | </span><span·class="n">Foo</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="1725860534-2">(</span><span·class="s">"{foo,·_@TmpBar}"</span><span·class="p"·data-group-id="1725860534-2">)</span></code></pre><p>If·the·context·requires·an·integer·rather·than·a·variable,·an·atom,·or·a·string, |
| 196 | you·cannot·use·the·uppercase·convention·to·mark·an·automatic·metavariable. | 196 | you·cannot·use·the·uppercase·convention·to·mark·an·automatic·metavariable. |
| 197 | Instead,·if·the·integer·(without·the·<code·class="inline">909</code>-prefix·and·lift/glob·markers)·ends | 197 | Instead,·if·the·integer·(without·the·<code·class="inline">909</code>-prefix·and·lift/glob·markers)·ends |
| 198 | in·a·<code·class="inline">9</code>,·the·integer·will·become·an·Erlang-level·variable·prefixed·with·<code·class="inline">Q</code>, | 198 | in·a·<code·class="inline">9</code>,·the·integer·will·become·an·Erlang-level·variable·prefixed·with·<code·class="inline">Q</code>, |
| 199 | and·if·it·ends·with·<code·class="inline">99</code>·it·will·also·be·automatically·abstracted.·For·example, | 199 | and·if·it·ends·with·<code·class="inline">99</code>·it·will·also·be·automatically·abstracted.·For·example, |
| 200 | the·following·will·increment·the·arity·of·the·exported·function·f:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="n">Form</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 200 | the·following·will·increment·the·arity·of·the·exported·function·f:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="k">case</span><span·class="w">·</span><span·class="n">Form</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 201 | ····</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 201 | ····</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="2857439821-1">(</span><span·class="s">"-export([f/90919])."</span><span·class="p"·data-group-id="2857439821-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 202 | ········</span><span·class="n">Q2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erl_syntax</span><span·class="p">:</span><span·class="nf">concrete</span><span·class="p"·data-group-id=" | 202 | ········</span><span·class="n">Q2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">erl_syntax</span><span·class="p">:</span><span·class="nf">concrete</span><span·class="p"·data-group-id="2857439821-2">(</span><span·class="n">Q1</span><span·class="p"·data-group-id="2857439821-2">)</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 203 | ········</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 203 | ········</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="2857439821-3">(</span><span·class="s">"-export([f/909299])."</span><span·class="p"·data-group-id="2857439821-3">)</span><span·class="p">;</span><span·class="w"> |
| 204 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h3·id="module-when-to-use-the-various-forms-of-metavariables"·class="section-heading"> | 204 | ····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h3·id="module-when-to-use-the-various-forms-of-metavariables"·class="section-heading"> |
| 205 | ··<a·href="#module-when-to-use-the-various-forms-of-metavariables"·class="hover-link"> | 205 | ··<a·href="#module-when-to-use-the-various-forms-of-metavariables"·class="hover-link"> |
| 206 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 206 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 207 | ··</a> | 207 | ··</a> |
| 208 | ··<span·class="text">When·to·use·the·various·forms·of·metavariables</span> | 208 | ··<span·class="text">When·to·use·the·various·forms·of·metavariables</span> |
| 209 | </h3> | 209 | </h3> |
| 210 | <p>Merl·can·only·parse·a·fragment·of·text·if·it·follows·the·basic·syntactical·rules | 210 | <p>Merl·can·only·parse·a·fragment·of·text·if·it·follows·the·basic·syntactical·rules |
| 211 | of·Erlang.·In·most·places,·a·normal·Erlang·variable·can·be·used·as·metavariable, | 211 | of·Erlang.·In·most·places,·a·normal·Erlang·variable·can·be·used·as·metavariable, |
| 212 | for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 212 | for·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="2425843693-1">(</span><span·class="s">"f(_@Arg)"</span><span·class="p"·data-group-id="2425843693-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Expr</span></code></pre><p>but·if·you·want·to·match·on·something·like·the·name·of·a·function,·you·have·to |
| 213 | use·an·atom·as·metavariable:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="6 | 213 | use·an·atom·as·metavariable:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="6361768855-1">(</span><span·class="s">"'@Name'()·->·_@@_."</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">Function</span></code></pre><p>(note·the·anonymous·glob·variable·<code·class="inline">_@@_</code>·to·ignore·the·function·body).</p><p>In·some·contexts,·only·a·string·or·an·integer·is·allowed.·For·example,·the |
| 214 | directive·<code·class="inline">-file(Name,·Line)</code>·requires·that·<code·class="inline">Name</code>·is·a·string·literal·and | 214 | directive·<code·class="inline">-file(Name,·Line)</code>·requires·that·<code·class="inline">Name</code>·is·a·string·literal·and |
| 215 | <code·class="inline">Line</code>·an·integer·literal:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 215 | <code·class="inline">Line</code>·an·integer·literal:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="2794691381-1">(</span><span·class="s">"-file(\"'@File\",·9090)."</span><span·class="p"·data-group-id="2794691381-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class=[·...·truncated·by·diffoscope;·len:·174,·SHA:·f78dc41b61f4e19d07e79520418da46a14daf6fef65bd72f5c2cde21ce58e877·...·]-2">)</span><span·class="p">)</span><span·class="p">.</span></code></pre><p>This·will·extract·the·string·literal·<code·class="inline">"foo.erl"</code>·into·the·variable·<code·class="inline">Foo</code>.·Note |
| 216 | the·use·of·the·anonymous·variable·<code·class="inline">9090</code>·to·ignore·the·line·number.·To·match·and | 216 | the·use·of·the·anonymous·variable·<code·class="inline">9090</code>·to·ignore·the·line·number.·To·match·and |
| 217 | also·bind·a·metavariable·that·must·be·an·integer·literal,·we·can·use·the | 217 | also·bind·a·metavariable·that·must·be·an·integer·literal,·we·can·use·the |
| 218 | convention·of·ending·the·integer·with·a·9,·turning·it·into·a·Q-prefixed·variable | 218 | convention·of·ending·the·integer·with·a·9,·turning·it·into·a·Q-prefixed·variable |
| 219 | on·the·Erlang·level·(see·the·previous·section).</p><h4>Globs</h4><p>Whenever·you·want·to·match·out·a·number·of·elements·in·a·sequence·(zero·or·more) | 219 | on·the·Erlang·level·(see·the·previous·section).</p><h4>Globs</h4><p>Whenever·you·want·to·match·out·a·number·of·elements·in·a·sequence·(zero·or·more) |
| 220 | rather·than·a·fixed·set·of·elements,·you·need·to·use·a·glob.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 220 | rather·than·a·fixed·set·of·elements,·you·need·to·use·a·glob.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="0125869195-1">(</span><span·class="s">"{_@@Elements}"</span><span·class="p"·data-group-id="0125869195-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="[·...·truncated·by·diffoscope;·len:·358,·SHA:·6d1d35cae556a2e0e768353ff5e2e534c264d2d001253f7fdc4a9229d1048417·...·]-2">)</span></code></pre><p>will·bind·Elements·to·the·list·of·individual·syntax·trees·representing·the·atoms |
| 221 | <code·class="inline">a</code>,·<code·class="inline">b</code>,·and·<code·class="inline">c</code>.·This·can·also·be·used·with·static·prefix·and·suffix·elements | 221 | <code·class="inline">a</code>,·<code·class="inline">b</code>,·and·<code·class="inline">c</code>.·This·can·also·be·used·with·static·prefix·and·suffix·elements |
| 222 | in·the·sequence.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="0972879428-1">(</span><span·class="s">"{a,·b,·_@@Elements}"</span><span·class="p"·data-group-id="0972879428-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="0972879428-2">(</span><span·class="p"·data-group-id="0972879428-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">c</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">d</span><span·class="p"·data-group-id="0972879428-3">}</span><span·class="p"·data-group-id="0972879428-2">)</span></code></pre><p>will·bind·Elements·to·the·list·of·the·<code·class="inline">c</code>·and·<code·class="inline">d</code>·subtrees,·and</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="8153641290-1">(</span><span·class="s">"{_@@Elements,·c,·d}"</span><span·class="p"·data-group-id="8153641290-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="8153641290-2">(</span><span·class="p"·data-group-id="8153641290-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">c</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">d</span><span·class="p"·data-group-id="8153641290-3">}</span><span·class="p"·data-group-id="8153641290-2">)</span></code></pre><p>will·bind·Elements·to·the·list·of·the·<code·class="inline">a</code>·and·<code·class="inline">b</code>·subtrees.·You·can·even·use | ||
| 223 | 222 | in·the·sequence.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="7606851354-1">(</span><span·class="s">"{a,·b,·_@@Elements}"</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·1720,·SHA:·3a536df92948cb1d46da12d03b3082fa1a1b7774f45f67d3b3ae378606f1813a·...·] | |
| 223 | plain·metavariables·in·the·prefix·or·suffix:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="2802995445-1">(</span><span·class="s">"{_@First,·_@@Rest}"</span><span·class="p"·data-group-id="2802995445-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="2802995445-2">(</span><span·class="p"·data-group-id="2802995445-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">c</span><span·class="p"·data-group-id="2802995445-3">}</span><span·class="p"·data-group-id="2802995445-2">)</span></code></pre><p>or</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="3169153428-1">(</span><span·class="s">"{_@@_,·_@Last}"</span><span·class="p"·data-group-id="3169153428-1">)</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="3169153428-2">(</span><span·class="p"·data-group-id="3169153428-3">{</span><span·class="ss">a</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">b</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">c</span><span·class="p"·data-group-id="3169153428-3">}</span><span·class="p"·data-group-id="3169153428-2">)</span></code></pre><p>(ignoring·all·but·the·last·element).·However,·you·cannot·have·two·globs·as·part | ||
| 224 | of·the·same·sequence.</p><h4>Lifted·metavariables</h4><p>In·some·cases,·the·Erlang·syntax·rules·make·it·impossible·to·place·a | 224 | of·the·same·sequence.</p><h4>Lifted·metavariables</h4><p>In·some·cases,·the·Erlang·syntax·rules·make·it·impossible·to·place·a |
| 225 | metavariable·directly·where·you·would·like·it.·For·example,·you·cannot·write:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 225 | metavariable·directly·where·you·would·like·it.·For·example,·you·cannot·write:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="4324028198-1">(</span><span·class="s">"-export([_@@Name])."</span><span·class="p"·data-group-id="4324028198-1">)</span></code></pre><p>to·match·out·all·name/arity·pairs·in·the·export·list,·or·to·insert·a·list·of |
| 226 | exports·in·a·declaration,·because·the·Erlang·parser·only·allows·elements·on·the | 226 | exports·in·a·declaration,·because·the·Erlang·parser·only·allows·elements·on·the |
| 227 | form·<code·class="inline">A/I</code>·(where·<code·class="inline">A</code>·is·an·atom·and·<code·class="inline">I</code>·an·integer)·in·the·export·list.·A | 227 | form·<code·class="inline">A/I</code>·(where·<code·class="inline">A</code>·is·an·atom·and·<code·class="inline">I</code>·an·integer)·in·the·export·list.·A |
| 228 | variable·like·the·above·is·not·allowed,·but·neither·is·a·single·atom·or·integer, | 228 | variable·like·the·above·is·not·allowed,·but·neither·is·a·single·atom·or·integer, |
| 229 | so·<code·class="inline">'@@Name'</code>·or·<code·class="inline">909919</code>·would·not·work·either.</p><p>What·you·have·to·do·in·such·cases·is·to·write·your·metavariable·in·a | 229 | so·<code·class="inline">'@@Name'</code>·or·<code·class="inline">909919</code>·would·not·work·either.</p><p>What·you·have·to·do·in·such·cases·is·to·write·your·metavariable·in·a |
| 230 | syntactically·valid·position,·and·use·lifting·markers·to·denote·where·it·should | 230 | syntactically·valid·position,·and·use·lifting·markers·to·denote·where·it·should |
| 231 | really·apply,·as·in:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 231 | really·apply,·as·in:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="2107798660-1">(</span><span·class="s">"-export(['@_@Name'/0])."</span><span·class="p"·data-group-id="2107798660-1">)</span></code></pre><p>This·causes·the·variable·to·be·lifted·(after·parsing)·to·the·next·higher·level |
| 232 | in·the·syntax·tree,·replacing·that·entire·subtree.·In·this·case,·the | 232 | in·the·syntax·tree,·replacing·that·entire·subtree.·In·this·case,·the |
| 233 | <code·class="inline">'@_@Name'/0</code>·will·be·replaced·with·<code·class="inline">'@@Name'</code>,·and·the·<code·class="inline">/0</code>·part·was·just·used | 233 | <code·class="inline">'@_@Name'/0</code>·will·be·replaced·with·<code·class="inline">'@@Name'</code>,·and·the·<code·class="inline">/0</code>·part·was·just·used |
| 234 | as·dummy·notation·and·will·be·discarded.</p><p>You·may·even·need·to·apply·lifting·more·than·once.·To·match·the·entire·export | 234 | as·dummy·notation·and·will·be·discarded.</p><p>You·may·even·need·to·apply·lifting·more·than·once.·To·match·the·entire·export |
| 235 | list·as·a·single·syntax·tree,·you·can·write:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id=" | 235 | list·as·a·single·syntax·tree,·you·can·write:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">?</span><span·class="n">Q</span><span·class="p"·data-group-id="2341098799-1">(</span><span·class="s">"-export(['@__Name'/0])."</span><span·class="p"·data-group-id="2341098799-1">)</span></code></pre><p>using·two·underscores,·but·with·no·glob·marker·this·time.·This·will·make·the |
| 236 | entire·<code·class="inline">['@__Name'/0]</code>·part·be·replaced·with·<code·class="inline">'@Name'</code>.</p><p>Sometimes,·the·tree·structure·of·a·code·fragment·is·not·very·obvious,·and·parts | 236 | entire·<code·class="inline">['@__Name'/0]</code>·part·be·replaced·with·<code·class="inline">'@Name'</code>.</p><p>Sometimes,·the·tree·structure·of·a·code·fragment·is·not·very·obvious,·and·parts |
| 237 | of·the·structure·may·be·invisible·when·printed·as·source·code.·For·instance,·a | 237 | of·the·structure·may·be·invisible·when·printed·as·source·code.·For·instance,·a |
| 238 | simple·function·definition·like·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">zero</span><span·class="p"·data-group-id=" | 238 | simple·function·definition·like·the·following:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">zero</span><span·class="p"·data-group-id="0126696246-1">(</span><span·class="p"·data-group-id="0126696246-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="mi">0</span><span·class="p">.</span></code></pre><p>consists·of·the·name·(the·atom·<code·class="inline">zero</code>),·and·a·list·of·clauses·containing·the |
| 239 | single·clause·<code·class="inline">()·->·0</code>.·The·clause·consists·of·an·argument·list·(empty),·a | 239 | single·clause·<code·class="inline">()·->·0</code>.·The·clause·consists·of·an·argument·list·(empty),·a |
| 240 | guard·(empty),·and·a·body·(which·is·always·a·list·of·expressions)·containing·the | 240 | guard·(empty),·and·a·body·(which·is·always·a·list·of·expressions)·containing·the |
| 241 | single·expression·<code·class="inline">0</code>.·This·means·that·to·match·out·the·name·and·the·list·of | 241 | single·expression·<code·class="inline">0</code>.·This·means·that·to·match·out·the·name·and·the·list·of |
| 242 | clauses·of·any·function,·you'll·need·to·use·a·pattern·like | 242 | clauses·of·any·function,·you'll·need·to·use·a·pattern·like |
| 243 | <code·class="inline">?Q("'@Name'()·->·_@_@Body.")</code>,·using·a·dummy·clause·whose·body·is·a·glob·lifted | 243 | <code·class="inline">?Q("'@Name'()·->·_@_@Body.")</code>,·using·a·dummy·clause·whose·body·is·a·glob·lifted |
| 244 | one·level.</p><p>To·visualize·the·structure·of·a·syntax·tree,·you·can·use·the·function | 244 | one·level.</p><p>To·visualize·the·structure·of·a·syntax·tree,·you·can·use·the·function |
| 245 | <code·class="inline">merl:show(T)</code>,·which·prints·a·summary.·For·example,·entering</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">merl</span><span·class="p">:</span><span·class="nf">show</span><span·class="p"·data-group-id=" | 245 | <code·class="inline">merl:show(T)</code>,·which·prints·a·summary.·For·example,·entering</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">merl</span><span·class="p">:</span><span·class="nf">show</span><span·class="p"·data-group-id="1742081885-1">(</span><span·class="nc">merl</span><span·class="p">:</span><span·class="nf">quote</span><span·class="p"·data-group-id="1742081885-2">(</span><span·class="s">"inc(X,·Y)·when·Y·>·0·->·X·+·Y."</span><span·class="p"·data-group-id[·...·truncated·by·diffoscope;·len:·65,·SHA:·60ea5844673157aaaa50e059c9008bce6b69cb6ea565944ff094f8f5bb9cfff6·...·]-1">)</span></code></pre><p>in·the·Erlang·shell·will·print·the·following·(where·the·<code·class="inline">+</code>·signs·separate |
| 246 | groups·of·subtrees·on·the·same·level):</p><pre><code·class="text">function:·inc(X,·Y)·when·...·->·X·+·Y. | 246 | groups·of·subtrees·on·the·same·level):</p><pre><code·class="text">function:·inc(X,·Y)·when·...·->·X·+·Y. |
| 247 | ··atom:·inc | 247 | ··atom:·inc |
| 248 | ··+ | 248 | ··+ |
| 249 | ··clause:·(X,·Y)·when·...·->·X·+·Y | 249 | ··clause:·(X,·Y)·when·...·->·X·+·Y |
| 250 | ····variable:·X | 250 | ····variable:·X |
| 251 | ····variable:·Y | 251 | ····variable:·Y |
| 252 | ····+ | 252 | ····+ |
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| 1698 | ······<p·class="built-using"> | 1698 | ······<p·class="built-using"> |
| 1699 | ········Built·using | 1699 | ········Built·using |
| 1700 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1700 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1701 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1701 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1702 | ······</p> | 1702 | ······</p> |
| 1703 | <p>Copyright·©·1996-202 | 1703 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1704 | ····</footer> | 1704 | ····</footer> |
| 1705 | ··</div> | 1705 | ··</div> |
| 1706 | </main> | 1706 | </main> |
| 1707 | </div> | 1707 | </div> |
| 1708 | <script> | 1708 | <script> |
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| 152 | ······<p·class="built-using"> | 152 | ······<p·class="built-using"> |
| 153 | ········Built·using | 153 | ········Built·using |
| 154 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 154 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 155 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 155 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 156 | ······</p> | 156 | ······</p> |
| 157 | <p>Copyright·©·1996-202 | 157 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 158 | ····</footer> | 158 | ····</footer> |
| 159 | ··</div> | 159 | ··</div> |
| 160 | </main> | 160 | </main> |
| 161 | </div> | 161 | </div> |
| 162 | <script> | 162 | <script> |
| 163 | ··function·mermaidLoaded()·{ | 163 | ··function·mermaidLoaded()·{ |
| 164 | ····mermaid.initialize({ | 164 | ····mermaid.initialize({ |
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| 918 | ······<p·class="built-using"> | 918 | ······<p·class="built-using"> |
| 919 | ········Built·using | 919 | ········Built·using |
| 920 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 920 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 921 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 921 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 922 | ······</p> | 922 | ······</p> |
| 923 | <p>Copyright·©·1996-202 | 923 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 924 | ····</footer> | 924 | ····</footer> |
| 925 | ··</div> | 925 | ··</div> |
| 926 | </main> | 926 | </main> |
| 927 | </div> | 927 | </div> |
| 928 | <script> | 928 | <script> |
| 929 | ··function·mermaidLoaded()·{ | 929 | ··function·mermaidLoaded()·{ |
| 930 | ····mermaid.initialize({ | 930 | ····mermaid.initialize({ |
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| 1122 | ······<p·class="built-using"> | 1122 | ······<p·class="built-using"> |
| 1123 | ········Built·using | 1123 | ········Built·using |
| 1124 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1124 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1125 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1125 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1126 | ······</p> | 1126 | ······</p> |
| 1127 | <p>Copyright·©·1996-202 | 1127 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1128 | ····</footer> | 1128 | ····</footer> |
| 1129 | ··</div> | 1129 | ··</div> |
| 1130 | </main> | 1130 | </main> |
| 1131 | </div> | 1131 | </div> |
| 1132 | <script> | 1132 | <script> |
| 1133 | ··function·mermaidLoaded()·{ | 1133 | ··function·mermaidLoaded()·{ |
| 1134 | ····mermaid.initialize({ | 1134 | ····mermaid.initialize({ |
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| 137 | ······<p·class="built-using"> | 137 | ······<p·class="built-using"> |
| 138 | ········Built·using | 138 | ········Built·using |
| 139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 141 | ······</p> | 141 | ······</p> |
| 142 | <p>Copyright·©·1996-202 | 142 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 143 | ····</footer> | 143 | ····</footer> |
| 144 | ··</div> | 144 | ··</div> |
| 145 | </main> | 145 | </main> |
| 146 | </div> | 146 | </div> |
| 147 | <script> | 147 | <script> |
| 148 | ··function·mermaidLoaded()·{ | 148 | ··function·mermaidLoaded()·{ |
| 149 | ····mermaid.initialize({ | 149 | ····mermaid.initialize({ |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
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| 190 | ······<p·class="built-using"> | 190 | ······<p·class="built-using"> |
| 191 | ········Built·using | 191 | ········Built·using |
| 192 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 192 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 193 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 193 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 194 | ······</p> | 194 | ······</p> |
| 195 | <p>Copyright·©·1996-202 | 195 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 196 | ····</footer> | 196 | ····</footer> |
| 197 | ··</div> | 197 | ··</div> |
| 198 | </main> | 198 | </main> |
| 199 | </div> | 199 | </div> |
| 200 | <script> | 200 | <script> |
| 201 | ··function·mermaidLoaded()·{ | 201 | ··function·mermaidLoaded()·{ |
| 202 | ····mermaid.initialize({ | 202 | ····mermaid.initialize({ |
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| 124 | ····<span>Examples</span> | 124 | ····<span>Examples</span> |
| 125 | ··</h1> | 125 | ··</h1> |
| 126 | <p>The·<a·href="tftp.html#start/1">start/1</a>·function·starts·a·daemon·process·listening·for·UDP | 126 | <p>The·<a·href="tftp.html#start/1">start/1</a>·function·starts·a·daemon·process·listening·for·UDP |
| 127 | packets·on·a·port.·When·it·receives·a·request·for·read·or·write,·it·spawns·a | 127 | packets·on·a·port.·When·it·receives·a·request·for·read·or·write,·it·spawns·a |
| 128 | temporary·server·process·handling·the·transfer.</p><p>This·is·a·simple·example·of·starting·the·TFTP·server·and·reading·the·content·of | 128 | temporary·server·process·handling·the·transfer.</p><p>This·is·a·simple·example·of·starting·the·TFTP·server·and·reading·the·content·of |
| 129 | a·sample·file·using·the·TFTP·client.</p><p><em>Step·1.</em>·Create·a·sample·file·to·be·used·for·the·transfer:</p><pre><code·class="text">······$·echo·"Erlang/OTP·21"·>·file.txt</code></pre><p><em>Step·2.</em>·Start·the·TFTP·server:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="p"·data-group-id="5626792990-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pid</span><span·class="p"·data-group-id="5626792990-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">tftp</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="5626792990-2">(</span><span·class="p"·data-group-id="5626792990-3">[</span><span·class="p"·data-group-id="5626792990-4">{</span><span·class="ss">port</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">19999</span><span·class="p"·data-group-id="5626792990-4">}</span><span·class="p"·data-group-id="5626792990-3">]</span><span·class="p"·data-group-id="5626792990-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 130 | ······</span><span·class="p"·data-group-id="5626792990-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.65</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="5626792990-5">}</span></code></pre><p><em>Step·3.</em>·Start·the·TFTP·client·(in·another·shell):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">tftp</span><span·class="p">:</span><span·class="nf">read_file</span><span·class="p"·data-group-id="6438076985-1">(</span><span·class="s">"file.txt"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">binary</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6438076985-2">[</span><span·class="p"·data-group-id="6438076985-3">{</span><span·class="ss">port</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">19999</span><span·class="p"·data-group-id="6438076985-3">}</span><span·class="p"·data-group-id="6438076985-2">]</span><span·class="p"·data-group-id="6438076985-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 131 | 129 | a·sample·file·using·the·TFTP·client.</p><p><em>Step·1.</em>·Create·a·sample·file·to·be·used·for·the·transfer:</p><pre><code·class="text">······$·echo·"Erlang/OTP·21"·>·file.txt</code></pre><p><em>Step·2.</em>·Start·the·TFTP·server:</p><pre><co[·...·truncated·by·diffoscope;·len:·966,·SHA:·35922434d6604025be233cda2a4f571fcc3f58103fbc2c38d26657b09f62261d·...·]> | |
| 130 | ······</span><span·class="p"·data-group-id="0632058322-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.65</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="0632058322-5">}</span></code></pre><p><em>Step·3.</em>·Start·the·TFTP·client·(in·another·shell):</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">······</span><span·class="mi">1</span><span·class="o">></span><span·class="w">·</span><span·class="nc">tftp</span><span·class="p">:</span><span·class="nf">read_file</span><span·class="p"·data-group-id="0391407389-1">(</span><span·class="s">"file.txt"</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">binary</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0391407389-2">[</span><span·class="p"·data-group-id="0391407389-3">{</span><span·class="ss">port</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">19999</span><span·class="p"·data-group-id="0391407389-3">}</span><span·class="p"·data-group-id="0391407389-2">]</span><span·class="p"·data-group-id="0391407389-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 131 | ······</span><span·class="p"·data-group-id="0391407389-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="0391407389-5"><<</span><span·class="s">"Erlang/OTP·21\n"</span><span·class="p"·data-group-id="0391407389-5">>></span><span·class="p"·data-group-id="0391407389-4">}</span></code></pre> | ||
| 132 | </div> | 132 | </div> |
| 133 | <div·class="bottom-actions"·id="bottom-actions"> | 133 | <div·class="bottom-actions"·id="bottom-actions"> |
| 134 | ··<div·class="bottom-actions-item"> | 134 | ··<div·class="bottom-actions-item"> |
| 135 | ······<a·href="introduction.html"·class="bottom-actions-button"·rel="prev"> | 135 | ······<a·href="introduction.html"·class="bottom-actions-button"·rel="prev"> |
| 136 | ········<span·class="subheader"> | 136 | ········<span·class="subheader"> |
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| 168 | ······<p·class="built-using"> | 168 | ······<p·class="built-using"> |
| 169 | ········Built·using | 169 | ········Built·using |
| 170 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 170 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 171 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 171 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 172 | ······</p> | 172 | ······</p> |
| 173 | <p>Copyright·©·1996-202 | 173 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 174 | ····</footer> | 174 | ····</footer> |
| 175 | ··</div> | 175 | ··</div> |
| 176 | </main> | 176 | </main> |
| 177 | </div> | 177 | </div> |
| 178 | <script> | 178 | <script> |
| 179 | ··function·mermaidLoaded()·{ | 179 | ··function·mermaidLoaded()·{ |
| 180 | ····mermaid.initialize({ | 180 | ····mermaid.initialize({ |
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| 185 | ······<p·class="built-using"> | 185 | ······<p·class="built-using"> |
| 186 | ········Built·using | 186 | ········Built·using |
| 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 187 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 188 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 189 | ······</p> | 189 | ······</p> |
| 190 | <p>Copyright·©·1996-202 | 190 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 191 | ····</footer> | 191 | ····</footer> |
| 192 | ··</div> | 192 | ··</div> |
| 193 | </main> | 193 | </main> |
| 194 | </div> | 194 | </div> |
| 195 | <script> | 195 | <script> |
| 196 | ··function·mermaidLoaded()·{ | 196 | ··function·mermaidLoaded()·{ |
| 197 | ····mermaid.initialize({ | 197 | ····mermaid.initialize({ |
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| 308 | ······<p·class="built-using"> | 308 | ······<p·class="built-using"> |
| 309 | ········Built·using | 309 | ········Built·using |
| 310 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 310 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 311 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 311 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 312 | ······</p> | 312 | ······</p> |
| 313 | <p>Copyright·©·1996-202 | 313 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 314 | ····</footer> | 314 | ····</footer> |
| 315 | ··</div> | 315 | ··</div> |
| 316 | </main> | 316 | </main> |
| 317 | </div> | 317 | </div> |
| 318 | <script> | 318 | <script> |
| 319 | ··function·mermaidLoaded()·{ | 319 | ··function·mermaidLoaded()·{ |
| 320 | ····mermaid.initialize({ | 320 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 130 | ····<section·id="moduledoc"> | 130 | ····<section·id="moduledoc"> |
| 131 | <p>Trivial·FTP.</p><p>Interface·module·for·the·<code·class="inline">tftp</code>·application.</p><h2·id="module-overwiew"·class="section-heading"> | 131 | <p>Trivial·FTP.</p><p>Interface·module·for·the·<code·class="inline">tftp</code>·application.</p><h2·id="module-overwiew"·class="section-heading"> |
| 132 | ··<a·href="#module-overwiew"·class="hover-link"> | 132 | ··<a·href="#module-overwiew"·class="hover-link"> |
| 133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 133 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 134 | ··</a> | 134 | ··</a> |
| 135 | ··<span·class="text">Overwiew</span> | 135 | ··<span·class="text">Overwiew</span> |
| 136 | </h2> | 136 | </h2> |
| 137 | <p>This·is·a·complete·implementation·of·the·following·IETF·standards:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">RFC</span><span·class="w">·</span><span·class="mi">1350</span><span·class="p">,</span><span·class="w">·</span><span·class="n">The</span><span·class="w">·</span><span·class="n">TFTP</span><span·class="w">·</span><span·class="n">Protocol</span><span·class="w">·</span><span·class="p"·data-group-id=" | 137 | <p>This·is·a·complete·implementation·of·the·following·IETF·standards:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">RFC</span><span·class="w">·</span><span·class="mi">1350</span><span·class="p">,</span><span·class="w">·</span><span·class="n">The</span><span·class="w">·</span><span·class="n">TFTP</span><span·class="w">·</span><span·class="n">Protocol</span><span·class="w">·</span><span·class="p"·data-group-id="1595779943-1">(</span><span·class="ss">revision</span><span·class="w">·</span><span·class="mi">2</span><span·class="p"·data-group-id="1595779943-1">)</span><span·class="p">.</span><span·class="w"> |
| 138 | </span><span·class="n">RFC</span><span·class="w">·</span><span·class="mi">2347</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TFTP</span><span·class="w">·</span><span·class="n">Option</span><span·class="w">·</span><span·class="n">Extension</span><span·class="p">.</span><span·class="w"> | 138 | </span><span·class="n">RFC</span><span·class="w">·</span><span·class="mi">2347</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TFTP</span><span·class="w">·</span><span·class="n">Option</span><span·class="w">·</span><span·class="n">Extension</span><span·class="p">.</span><span·class="w"> |
| 139 | </span><span·class="n">RFC</span><span·class="w">·</span><span·class="mi">2348</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TFTP</span><span·class="w">·</span><span·class="n">Blocksize</span><span·class="w">·</span><span·class="n">Option</span><span·class="p">.</span><span·class="w"> | 139 | </span><span·class="n">RFC</span><span·class="w">·</span><span·class="mi">2348</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TFTP</span><span·class="w">·</span><span·class="n">Blocksize</span><span·class="w">·</span><span·class="n">Option</span><span·class="p">.</span><span·class="w"> |
| 140 | </span><span·class="n">RFC</span><span·class="w">·</span><span·class="mi">2349</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TFTP</span><span·class="w">·</span><span·class="n">Timeout</span><span·class="w">·</span><span·class="n">Interval</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="n">Transfer</span><span·class="w">·</span><span·class="n">Size</span><span·class="w">·</span><span·class="n">Options</span><span·class="p">.</span></code></pre><p>The·only·feature·that·not·is·implemented·in·this·release·is | 140 | </span><span·class="n">RFC</span><span·class="w">·</span><span·class="mi">2349</span><span·class="p">,</span><span·class="w">·</span><span·class="n">TFTP</span><span·class="w">·</span><span·class="n">Timeout</span><span·class="w">·</span><span·class="n">Interval</span><span·class="w">·</span><span·class="ow">and</span><span·class="w">·</span><span·class="n">Transfer</span><span·class="w">·</span><span·class="n">Size</span><span·class="w">·</span><span·class="n">Options</span><span·class="p">.</span></code></pre><p>The·only·feature·that·not·is·implemented·in·this·release·is |
| 141 | the·"netascii"·transfer·mode.</p><p>The·<a·href="#start/1">start</a>·function·starts·a·daemon·process·which,·listens | 141 | the·"netascii"·transfer·mode.</p><p>The·<a·href="#start/1">start</a>·function·starts·a·daemon·process·which,·listens |
| 142 | for·UDP·packets·on·a·port.·When·it·receives·a·request·for·read·or | 142 | for·UDP·packets·on·a·port.·When·it·receives·a·request·for·read·or |
| 143 | write·it·spawns·a·temporary·server·process·which·handles·the·actual | 143 | write·it·spawns·a·temporary·server·process·which·handles·the·actual |
| 144 | transfer·of·the·file.·On·the·client·side·the | 144 | transfer·of·the·file.·On·the·client·side·the |
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| 930 | ······<p·class="built-using"> | 930 | ······<p·class="built-using"> |
| 931 | ········Built·using | 931 | ········Built·using |
| 932 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 932 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 933 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 933 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 934 | ······</p> | 934 | ······</p> |
| 935 | <p>Copyright·©·1996-202 | 935 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 936 | ····</footer> | 936 | ····</footer> |
| 937 | ··</div> | 937 | ··</div> |
| 938 | </main> | 938 | </main> |
| 939 | </div> | 939 | </div> |
| 940 | <script> | 940 | <script> |
| 941 | ··function·mermaidLoaded()·{ | 941 | ··function·mermaidLoaded()·{ |
| 942 | ····mermaid.initialize({ | 942 | ····mermaid.initialize({ |
| Offset 301, 15 lines modified | Offset 301, 15 lines modified | ||
| 301 | ······<p·class="built-using"> | 301 | ······<p·class="built-using"> |
| 302 | ········Built·using | 302 | ········Built·using |
| 303 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 303 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 304 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 304 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 305 | ······</p> | 305 | ······</p> |
| 306 | <p>Copyright·©·1996-202 | 306 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 307 | ····</footer> | 307 | ····</footer> |
| 308 | ··</div> | 308 | ··</div> |
| 309 | </main> | 309 | </main> |
| 310 | </div> | 310 | </div> |
| 311 | <script> | 311 | <script> |
| 312 | ··function·mermaidLoaded()·{ | 312 | ··function·mermaidLoaded()·{ |
| 313 | ····mermaid.initialize({ | 313 | ····mermaid.initialize({ |
| Offset 143, 15 lines modified | Offset 143, 15 lines modified | ||
| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 256, 15 lines modified | Offset 256, 15 lines modified | ||
| 256 | ······<p·class="built-using"> | 256 | ······<p·class="built-using"> |
| 257 | ········Built·using | 257 | ········Built·using |
| 258 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 258 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 259 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 259 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 260 | ······</p> | 260 | ······</p> |
| 261 | <p>Copyright·©·1996-202 | 261 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 262 | ····</footer> | 262 | ····</footer> |
| 263 | ··</div> | 263 | ··</div> |
| 264 | </main> | 264 | </main> |
| 265 | </div> | 265 | </div> |
| 266 | <script> | 266 | <script> |
| 267 | ··function·mermaidLoaded()·{ | 267 | ··function·mermaidLoaded()·{ |
| 268 | ····mermaid.initialize({ | 268 | ····mermaid.initialize({ |
| Offset 1507, 15 lines modified | Offset 1507, 15 lines modified | ||
| 1507 | ······</div> | 1507 | ······</div> |
| 1508 | <p>Analyzes·one·or·more·modules·as·specified·by·<code·class="inline">Arg</code>.</p><p>If·<code·class="inline">Arg</code>·is·one·of·the·values·in·<a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>,·this | 1508 | <p>Analyzes·one·or·more·modules·as·specified·by·<code·class="inline">Arg</code>.</p><p>If·<code·class="inline">Arg</code>·is·one·of·the·values·in·<a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>,·this |
| 1509 | call·is·equivalent·to·<a·href="#analyse/3"><code·class="inline">analyse('_',·Arg,·function)</code></a>.</p><p>If·<code·class="inline">Arg</code>·is·one·of·the·values·in·<a·href="#t:level/0"><code·class="inline">level()</code></a>,·this | 1509 | call·is·equivalent·to·<a·href="#analyse/3"><code·class="inline">analyse('_',·Arg,·function)</code></a>.</p><p>If·<code·class="inline">Arg</code>·is·one·of·the·values·in·<a·href="#t:level/0"><code·class="inline">level()</code></a>,·this |
| 1510 | call·is·equivalent·to·<a·href="#analyse/3"><code·class="inline">analyse('_',·coverage,·Arg)</code></a>.</p><p>Otherwise·<code·class="inline">Arg</code>·is·assumed·to·be·a·module·name,·and·this·call·is·equivalent | 1510 | call·is·equivalent·to·<a·href="#analyse/3"><code·class="inline">analyse('_',·coverage,·Arg)</code></a>.</p><p>Otherwise·<code·class="inline">Arg</code>·is·assumed·to·be·a·module·name,·and·this·call·is·equivalent |
| 1511 | to·<a·href="#analyse/3"><code·class="inline">analyse(Arg,·coverage,·function)</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>To·analyze·a·module·whose·name·overlaps·with·one·the·values·in | 1511 | to·<a·href="#analyse/3"><code·class="inline">analyse(Arg,·coverage,·function)</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>To·analyze·a·module·whose·name·overlaps·with·one·the·values·in |
| 1512 | <a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>·or·<a·href="#t:level/0"><code·class="inline">level()</code></a>,·the·module | 1512 | <a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>·or·<a·href="#t:level/0"><code·class="inline">level()</code></a>,·the·module |
| 1513 | name·has·to·be·in·a·list.·For·example,·to·analyze·a·module·named·<code·class="inline">calls</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id=" | 1513 | name·has·to·be·in·a·list.·For·example,·to·analyze·a·module·named·<code·class="inline">calls</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="7139100149-1">(</span><span·class="p"·data-group-id="7139100149-2">[</span><span·class="ss">calls</span><span·class="p"·data-group-id="7139100149-2">]</span><span·class="p"·data-group-id="7139100149-1">)</span><span·class="p">.</span></code></pre></section> |
| 1514 | ··</section> | 1514 | ··</section> |
| 1515 | </section> | 1515 | </section> |
| 1516 | <section·class="detail"·id="analyse/2"> | 1516 | <section·class="detail"·id="analyse/2"> |
| 1517 | ··<div·class="detail-header"> | 1517 | ··<div·class="detail-header"> |
| 1518 | ····<a·href="#analyse/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1518 | ····<a·href="#analyse/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1519 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1519 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1547, 15 lines modified | Offset 1547, 15 lines modified | ||
| 1547 | <p>Analyzes·one·or·more·modules·as·specified·by·<code·class="inline">Arg1</code>·and·<code·class="inline">Arg2</code>.</p><p>If·<code·class="inline">Arg1</code>·is·one·of·the·values·in·<a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>·and | 1547 | <p>Analyzes·one·or·more·modules·as·specified·by·<code·class="inline">Arg1</code>·and·<code·class="inline">Arg2</code>.</p><p>If·<code·class="inline">Arg1</code>·is·one·of·the·values·in·<a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>·and |
| 1548 | <code·class="inline">Arg2</code>·is·one·of·the·values·in·<a·href="#t:level/0"><code·class="inline">level()</code></a>,·this | 1548 | <code·class="inline">Arg2</code>·is·one·of·the·values·in·<a·href="#t:level/0"><code·class="inline">level()</code></a>,·this |
| 1549 | call·is·equivalent·to·<a·href="#analyse/3"><code·class="inline">analyse('_',·Arg1,·Arg2)</code></a>.</p><p>If·<code·class="inline">Arg2</code>·is·one·of·the·values·in·<a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>, | 1549 | call·is·equivalent·to·<a·href="#analyse/3"><code·class="inline">analyse('_',·Arg1,·Arg2)</code></a>.</p><p>If·<code·class="inline">Arg2</code>·is·one·of·the·values·in·<a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>, |
| 1550 | <code·class="inline">Arg1</code>·is·assumed·to·be·a·module·and·this·call·is·equivalent·to | 1550 | <code·class="inline">Arg1</code>·is·assumed·to·be·a·module·and·this·call·is·equivalent·to |
| 1551 | <a·href="#analyse/3"><code·class="inline">analyse(Arg1,·Arg2,·function)</code></a>.</p><p>If·<code·class="inline">Arg2</code>·is·one·of·the·values·in·<a·href="#t:level/0"><code·class="inline">level()</code></a>,·<code·class="inline">Arg1</code>·is | 1551 | <a·href="#analyse/3"><code·class="inline">analyse(Arg1,·Arg2,·function)</code></a>.</p><p>If·<code·class="inline">Arg2</code>·is·one·of·the·values·in·<a·href="#t:level/0"><code·class="inline">level()</code></a>,·<code·class="inline">Arg1</code>·is |
| 1552 | assumed·to·be·a·module·and·this·call·is·equivalent·to·<a·href="#analyse/3"><code·class="inline">analyse(Arg1,·coverage,·Arg2)</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>To·analyze·a·module·whose·name·overlaps·with·one·of·the·values·in | 1552 | assumed·to·be·a·module·and·this·call·is·equivalent·to·<a·href="#analyse/3"><code·class="inline">analyse(Arg1,·coverage,·Arg2)</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>To·analyze·a·module·whose·name·overlaps·with·one·of·the·values·in |
| 1553 | <a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>,·the·module·name·needs·to·be·in·a | 1553 | <a·href="#t:analysis/0"><code·class="inline">analysis()</code></a>,·the·module·name·needs·to·be·in·a |
| 1554 | list.·For·example,·to·analyze·a·module·named·<code·class="inline">calls</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id=" | 1554 | list.·For·example,·to·analyze·a·module·named·<code·class="inline">calls</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="9440805682-1">(</span><span·class="p"·data-group-id="9440805682-2">[</span><span·class="ss">calls</span><span·class="p"·data-group-id="9440805682-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">function</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·22,·SHA:·4e9528534915e2c179bd0e78821d92ed38fff299b8692c0cbd34df9b0983e870·...·]-1">)</span><span·class="p">.</span></code></pre></section> |
| 1555 | ··</section> | 1555 | ··</section> |
| 1556 | </section> | 1556 | </section> |
| 1557 | <section·class="detail"·id="analyse/3"> | 1557 | <section·class="detail"·id="analyse/3"> |
| 1558 | ··<div·class="detail-header"> | 1558 | ··<div·class="detail-header"> |
| 1559 | ····<a·href="#analyse/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1559 | ····<a·href="#analyse/3"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1560 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1560 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 1650, 15 lines modified | Offset 1650, 15 lines modified | ||
| 1650 | ······</div> | 1650 | ······</div> |
| 1651 | <p>If·<code·class="inline">Arg</code>·is·a·list·of·<a·href="#t:analyse_option/0"><code·class="inline">analyse_option()</code></a> | 1651 | <p>If·<code·class="inline">Arg</code>·is·a·list·of·<a·href="#t:analyse_option/0"><code·class="inline">analyse_option()</code></a> |
| 1652 | options,·this·call·is·equivalent·to·<a·href="#analyse_to_file/2"><code·class="inline">analyse_to_file('_',·Arg)</code></a>.</p><p>Otherwise·<code·class="inline">Arg</code>·is·assumed·to·be·a·module,·and·this·call·is·equivalent·to | 1652 | options,·this·call·is·equivalent·to·<a·href="#analyse_to_file/2"><code·class="inline">analyse_to_file('_',·Arg)</code></a>.</p><p>Otherwise·<code·class="inline">Arg</code>·is·assumed·to·be·a·module,·and·this·call·is·equivalent·to |
| 1653 | <a·href="#analyse_to_file/2"><code·class="inline">analyse_to_file(Arg,·[])</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>To·analyze·a·module·of·the·name·<code·class="inline">html</code>·(which·overlaps·with·an·option | 1653 | <a·href="#analyse_to_file/2"><code·class="inline">analyse_to_file(Arg,·[])</code></a>.</p><section·role="note"·class="admonition·info"><h4·class="admonition-title·info">Note</h4><p>To·analyze·a·module·of·the·name·<code·class="inline">html</code>·(which·overlaps·with·an·option |
| 1654 | in·<a·href="#t:analyse_option/0"><code·class="inline">analyse_option()</code></a>),·it·is·necessary·to | 1654 | in·<a·href="#t:analyse_option/0"><code·class="inline">analyse_option()</code></a>),·it·is·necessary·to |
| 1655 | use·<a·href="#analyse_to_file/2"><code·class="inline">cover:analyse_to_file/2</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse_to_file</span><span·class="p"·data-group-id=" | 1655 | use·<a·href="#analyse_to_file/2"><code·class="inline">cover:analyse_to_file/2</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse_to_file</span><span·class="p"·data-group-id="3509852860-1">(</span><span·class="p"·data-group-id="3509852860-2">[</span><span·class="ss">html</span><span·class="p"·data-group-id="3509852860-2">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3509852860-3">[</span[·...·truncated·by·diffoscope;·len:·95,·SHA:·5eef68978e7bfd1c0643d557dad9b154751127ffe0ff5766bec326b1ec960c81·...·]-1">)</span><span·class="p">.</span></code></pre></section> |
| 1656 | ··</section> | 1656 | ··</section> |
| 1657 | </section> | 1657 | </section> |
| 1658 | <section·class="detail"·id="analyse_to_file/2"> | 1658 | <section·class="detail"·id="analyse_to_file/2"> |
| 1659 | ··<div·class="detail-header"> | 1659 | ··<div·class="detail-header"> |
| 1660 | ····<a·href="#analyse_to_file/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> | 1660 | ····<a·href="#analyse_to_file/2"·class="detail-link"·data-no-tooltip·aria-label="Link·to·this·function"> |
| 1661 | ······<i·class="ri-link-m"·aria-hidden="true"></i> | 1661 | ······<i·class="ri-link-m"·aria-hidden="true"></i> |
| Offset 2583, 15 lines modified | Offset 2583, 15 lines modified | ||
| 2583 | ······<p·class="built-using"> | 2583 | ······<p·class="built-using"> |
| 2584 | ········Built·using | 2584 | ········Built·using |
| 2585 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2585 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2586 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2586 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2587 | ······</p> | 2587 | ······</p> |
| 2588 | <p>Copyright·©·1996-202 | 2588 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2589 | ····</footer> | 2589 | ····</footer> |
| 2590 | ··</div> | 2590 | ··</div> |
| 2591 | </main> | 2591 | </main> |
| 2592 | </div> | 2592 | </div> |
| 2593 | <script> | 2593 | <script> |
| 2594 | ··function·mermaidLoaded()·{ | 2594 | ··function·mermaidLoaded()·{ |
| 2595 | ····mermaid.initialize({ | 2595 | ····mermaid.initialize({ |
| Offset 142, 89 lines modified | Offset 142, 89 lines modified | ||
| 142 | </h2> | 142 | </h2> |
| 143 | <h3·id="example"·class="section-heading"> | 143 | <h3·id="example"·class="section-heading"> |
| 144 | ··<a·href="#example"·class="hover-link"> | 144 | ··<a·href="#example"·class="hover-link"> |
| 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 145 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 146 | ··</a> | 146 | ··</a> |
| 147 | ··<span·class="text">Example</span> | 147 | ··<span·class="text">Example</span> |
| 148 | </h3> | 148 | </h3> |
| 149 | <p>Assume·that·a·test·case·for·the·following·program·should·be·verified:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 149 | <p>Assume·that·a·test·case·for·the·following·program·should·be·verified:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="0494462687-1">(</span><span·class="ss">channel</span><span·class="p"·data-group-id="0494462687-1">)</span><span·class="p">.</span><span·class="w"> |
| 150 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id=" | 150 | </span><span·class="p">-</span><span·class="na">behaviour</span><span·class="p"·data-group-id="0494462687-2">(</span><span·class="ss">gen_server</span><span·class="p"·data-group-id="0494462687-2">)</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="w"> | 151 | </span><span·class="w"> |
| 152 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 152 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0494462687-3">(</span><span·class="p"·data-group-id="0494462687-4">[</span><span·class="ss">start_link</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="ss">stop</span><span·class="p">/</span><span·class="mi">0</sp[·...·truncated·by·diffoscope;·len:·97,·SHA:·03eeb44dcd68bf00b30574b9f74113d84983047aec24be77741cab06798eea50·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 153 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 153 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0494462687-5">(</span><span·class="p"·data-group-id="0494462687-6">[</span><span·class="ss">alloc</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="ss">free</span><span·class="p">/</span><span·class="mi">1</span><s[·...·truncated·by·diffoscope;·len:·92,·SHA:·18f7dba1fad9ac2625c2f02c0702fd6a5d558e82460efd6485d6e7aaeb6c4f24·...·]-5">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·client·interface</span><span·class="w"> |
| 154 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 154 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="0494462687-7">(</span><span·class="p"·data-group-id="0494462687-8">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="ss">handle_call</span><span·class="p">/</span><span·class="mi">3</s[·...·truncated·by·diffoscope;·len:·204,·SHA:·bf6297147fdf56c49cbdc056b3190a63a7d22e38dc322aea4e0943eec932ded6·...·]-7">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·callback·functions</span><span·class="w"> |
| 155 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 155 | </span><span·class="nf">start_link</span><span·class="p"·data-group-id="0494462687-9">(</span><span·class="p"·data-group-id="0494462687-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 156 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 156 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="0494462687-10">(</span><span·class="p"·data-group-id="0494462687-11">{</span><span·class="ss">local</span><span·class="p">,</span><span·class="ss">channel</span><span·class="p"·data-group-id="0494462687-11">}</span><span·class="p">,</span><span·class="w">·[·...·truncated·by·diffoscope;·len:·391,·SHA:·75160e167489f3a5e2dfb29fe39bfe51396c2c1bd5253af4518e2e17f63be004·...·]-10">)</span><span·class="p">.</span><span·class="w"> |
| 157 | </span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 157 | </span><span·class="nf">stop</span><span·class="p"·data-group-id="0494462687-14">(</span><span·class="p"·data-group-id="0494462687-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 158 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="0494462687-15">(</span><span·class="ss">channel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">stop</span><span·class="p"·data-group-id="0494462687-15">)</span><span·class="p">.</span><span·class="w"> |
| 159 | </span><span·class="c1">%%%-Client·interface·functions-------------------------------------------</span><span·class="w"> | 159 | </span><span·class="c1">%%%-Client·interface·functions-------------------------------------------</span><span·class="w"> |
| 160 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id=" | 160 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id="0494462687-16">(</span><span·class="p"·data-group-id="0494462687-16">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 161 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 161 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="0494462687-17">(</span><span·class="ss">channel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">alloc</span><span·class="p"·data-group-id="0494462687-17">)</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="nf">free</span><span·class="p"·data-group-id=" | 162 | </span><span·class="nf">free</span><span·class="p"·data-group-id="0494462687-18">(</span><span·class="n">Channel</span><span·class="p"·data-group-id="0494462687-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 163 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 163 | ····</span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="0494462687-19">(</span><span·class="ss">channel</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0494462687-20">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="n">Channel</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·77,·SHA:·363acc5bb8536f6dbffbe00e35d6708eaf84834a28fd1011ac42401d46531b60·...·]-19">)</span><span·class="p">.</span><span·class="w"> |
| 164 | </span><span·class="c1">%%%-gen_server·callback·functions----------------------------------------</span><span·class="w"> | 164 | </span><span·class="c1">%%%-gen_server·callback·functions----------------------------------------</span><span·class="w"> |
| 165 | </span><span·class="nf">init</span><span·class="p"·data-group-id=" | 165 | </span><span·class="nf">init</span><span·class="p"·data-group-id="0494462687-21">(</span><span·class="p">_</span><span·class="n">Arg</span><span·class="p"·data-group-id="0494462687-21">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 166 | ····</span><span·class="p"·data-group-id=" | 166 | ····</span><span·class="p"·data-group-id="0494462687-22">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="nf">channels</span><span·class="p"·data-group-id="0494462687-23">(</span><span·class="p"·data-group-id="0494462687-23">)</span><span·class="p"·data-group-id="0494462687-22">}</span><span·class="p">.</span><span·class="w"> |
| 167 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 167 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id="0494462687-24">(</span><span·class="ss">stop</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Client</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Channels</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·6c36b7b8eb966b66787af959d056c0a568283c5b3893c6a71a42f6833994df69·...·]-24">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 168 | ····</span><span·class="p"·data-group-id=" | 168 | ····</span><span·class="p"·data-group-id="0494462687-25">{</span><span·class="ss">stop</span><span·class="p">,</span><span·class="ss">normal</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Channels</span><span·class="p"·data-group-id="0494462687-25">}</span><span·class="p">;</span><span·class="w"> |
| 169 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 169 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id="0494462687-26">(</span><span·class="ss">alloc</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Client</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Channels</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·17,·SHA:·27a344f4177b5797aa499a474508e9a312e33a77bc6b49bcc98059418c797d62·...·]-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 170 | ····</span><span·class="p"·data-group-id=" | 170 | ····</span><span·class="p"·data-group-id="0494462687-27">{</span><span·class="n">Ch</span><span·class="p">,</span><span·class="n">Channels2</span><span·class="p"·data-group-id="0494462687-27">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">alloc</sp[·...·truncated·by·diffoscope;·len:·129,·SHA:·a46b513d5e72c23cb4ff0a70a945e11fe4798a550af49e44b654b248565b2b71·...·]-28">)</span><span·class="p">,</span><span·class="w"> |
| 171 | ····</span><span·class="p"·data-group-id=" | 171 | ····</span><span·class="p"·data-group-id="0494462687-29">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="p"·data-group-id="0494462687-30">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Ch</span><span·class="p"·data-group-id="0494462687-30">}</sp[·...·truncated·by·diffoscope;·len:·100,·SHA:·1ebaa98e2ccf5a44ab750aeb2107489eab428ffa3d4fb92747c2d1cbc8e638fd·...·]-29">}</span><span·class="p">;</span><span·class="w"> |
| 172 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 172 | </span><span·class="nf">handle_call</span><span·class="p"·data-group-id="0494462687-31">(</span><span·class="p"·data-group-id="0494462687-32">{</span><span·class="ss">free</span><span·class="p">,</span><span·class="n">Channel</span><span·class="p"·data-group-id="0494462687-32">}</span><span·class="p">,</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·178,·SHA:·62619e35cff1b4970759a2c9fc123843821ad7ce9e64a95cc63ab9f0e3e6f04c·...·]-31">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 173 | ····</span><span·class="n">Channels2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id=" | 173 | ····</span><span·class="n">Channels2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">free</span><span·class="p"·data-group-id="0494462687-33">(</span><span·class="n">Channel</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Channels</span><span·class="p"·data-group-id="0494462687-33">)</span><span·class="p">,</span><span·class="w"> |
| 174 | ····</span><span·class="p"·data-group-id=" | 174 | ····</span><span·class="p"·data-group-id="0494462687-34">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Channels2</span><span·class="p"·data-group-id="0494462687-34">}</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id=" | 175 | </span><span·class="nf">terminate</span><span·class="p"·data-group-id="0494462687-35">(</span><span·class="p">_</span><span·class="n">Reason</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">Channels</span><span·class="p"·data-group-id="0494462687-35">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 176 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> | 176 | ····</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 177 | </span><span·class="c1">%%%-Internal·functions---------------------------------------------------</span><span·class="w"> | 177 | </span><span·class="c1">%%%-Internal·functions---------------------------------------------------</span><span·class="w"> |
| 178 | </span><span·class="nf">channels</span><span·class="p"·data-group-id=" | 178 | </span><span·class="nf">channels</span><span·class="p"·data-group-id="0494462687-36">(</span><span·class="p"·data-group-id="0494462687-36">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | ····</span><span·class="p"·data-group-id=" | 179 | ····</span><span·class="p"·data-group-id="0494462687-37">[</span><span·class="ss">ch1</span><span·class="p">,</span><span·class="ss">ch2</span><span·class="p">,</span><span·class="ss">ch3</span><span·class="p"·data-group-id="0494462687-37">]</span><span·class="p">.</span><span·class="w"> |
| 180 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id=" | 180 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id="0494462687-38">(</span><span·class="p"·data-group-id="0494462687-39">[</span><span·class="n">Channel</span><span·class="p">|</span><span·class="n">Channels</span><span·class="p"·data-group-id="0494462687-39">]</span><span·class="p"·data-group-id="049446268[·...·truncated·by·diffoscope;·len:·1,·SHA:·7902699be42c8a8e46fbbb4501726517e86b22c56a189f7625a6da49081b2451·...·]-38">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 181 | ····</span><span·class="p"·data-group-id=" | 181 | ····</span><span·class="p"·data-group-id="0494462687-40">{</span><span·class="n">Channel</span><span·class="p">,</span><span·class="n">Channels</span><span·class="p"·data-group-id="0494462687-40">}</span><span·class="p">;</span><span·class="w"> |
| 182 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id=" | 182 | </span><span·class="nf">alloc</span><span·class="p"·data-group-id="0494462687-41">(</span><span·class="p"·data-group-id="0494462687-42">[</span><span·class="p"·data-group-id="0494462687-42">]</span><span·class="p"·data-group-id="0494462687-41">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 183 | ····</span><span·class="ss">false</span><span·class="p">.</span><span·class="w"> | 183 | ····</span><span·class="ss">false</span><span·class="p">.</span><span·class="w"> |
| 184 | </span><span·class="nf">free</span><span·class="p"·data-group-id=" | 184 | </span><span·class="nf">free</span><span·class="p"·data-group-id="0494462687-43">(</span><span·class="n">Channel</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Channels</span><span·class="p"·data-group-id="0494462687-43">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 185 | ····</span><span·class="p"·data-group-id=" | 185 | ····</span><span·class="p"·data-group-id="0494462687-44">[</span><span·class="n">Channel</span><span·class="p">|</span><span·class="n">Channels</span><span·class="p"·data-group-id="0494462687-44">]</span><span·class="p">.</span></code></pre><p>The·test·case·is·implemented·as·follows:</p><pre><code[·...·truncated·by·diffoscope;·len:·214,·SHA:·a6433cd70792a7c55eb18c09cbe5821ad0e36a08cc4fa282b09475e33ba0ce96·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 186 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 186 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="4417955175-2">(</span><span·class="p"·data-group-id="4417955175-3">[</span><span·class="ss">s</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="4417955175-3">]</span><span·class="p"·data-group-id="4417955175-2">)</span><span·class="p">.</span><span·class="w"> |
| 187 | </span><span·class="nf">s</span><span·class="p"·data-group-id=" | 187 | </span><span·class="nf">s</span><span·class="p"·data-group-id="4417955175-4">(</span><span·class="p"·data-group-id="4417955175-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 188 | ····</span><span·class="p"·data-group-id=" | 188 | ····</span><span·class="p"·data-group-id="4417955175-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Pid</span><span·class="p"·data-group-id="4417955175-5">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">channel</span><s[·...·truncated·by·diffoscope;·len:·150,·SHA:·86fc4aec9525ecddacff3ba2ac99a6dab9fcf72fd6c8fca2c7964d893c575b52·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 189 | ····</span><span·class="p"·data-group-id=" | 189 | ····</span><span·class="p"·data-group-id="4417955175-7">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">Ch1</span><span·class="p"·data-group-id="4417955175-7">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">channel</span><s[·...·truncated·by·diffoscope;·len:·145,·SHA:·eadb21cd12ab211b0a259cc91a29ed7d7b0cca67f1af4cbed4a9fd7c6b746f42·...·]-8">)</span><span·class="p">,</span><span·class="w"> |
| 190 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">channel</span><span·class="p">:</span><span·class="nf">free</span><span·class="p"·data-group-id=" | 190 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">channel</span><span·class="p">:</span><span·class="nf">free</span><span·class="p"·data-group-id="4417955175-9">(</span><span·class="n">Ch1</span><span·class="p"·data-group-id="4417955175-9">)</span><span·class="p">,</span><span·class="w"> |
| 191 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">channel</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 191 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">channel</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="4417955175-10">(</span><span·class="p"·data-group-id="4417955175-10">)</span><span·class="p">.</span></code></pre><h3·id="preparation"·class="section-heading"> |
| 192 | ··<a·href="#preparation"·class="hover-link"> | 192 | ··<a·href="#preparation"·class="hover-link"> |
| 193 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 193 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 194 | ··</a> | 194 | ··</a> |
| 195 | ··<span·class="text">Preparation</span> | 195 | ··<span·class="text">Preparation</span> |
| 196 | </h3> | 196 | </h3> |
| 197 | <p>First·of·all,·Cover·must·be·started.·This·spawns·a·process·which·owns·the·Cover | 197 | <p>First·of·all,·Cover·must·be·started.·This·spawns·a·process·which·owns·the·Cover |
| 198 | database·where·all·coverage·data·will·be·stored.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 198 | database·where·all·coverage·data·will·be·stored.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="2885888386-1">(</span><span·class="p"·data-group-id="2885888386-1">)</span><span·class="p">.</span><span·class="w"> |
| 199 | </span><span·class="p"·data-group-id=" | 199 | </span><span·class="p"·data-group-id="2885888386-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.90</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="2885888386-2">}</span></code></pre><p>To·include·other·nodes·in·the·coverage·analysis,·use |
| 200 | <a·href="cover.html#start/1"><code·class="inline">cover:start/1</code></a>.·All·cover-compiled·modules·will·then·be·loaded·on·all | 200 | <a·href="cover.html#start/1"><code·class="inline">cover:start/1</code></a>.·All·cover-compiled·modules·will·then·be·loaded·on·all |
| 201 | nodes,·and·data·from·all·nodes·will·be·summed·up·when·analysing.·For | 201 | nodes,·and·data·from·all·nodes·will·be·summed·up·when·analysing.·For |
| 202 | simplicity·this·example·only·involves·the·current·node.</p><p>Before·any·analysis·can·take·place,·the·involved·modules·must·be | 202 | simplicity·this·example·only·involves·the·current·node.</p><p>Before·any·analysis·can·take·place,·the·involved·modules·must·be |
| 203 | <em>cover-compiled</em>.·This·means·that·some·extra·information·is·added·to | 203 | <em>cover-compiled</em>.·This·means·that·some·extra·information·is·added·to |
| 204 | the·module·before·beging·compiled·into·a·binary·and | 204 | the·module·before·beging·compiled·into·a·binary·and |
| 205 | <a·href="cover_chapter.html#loading">loaded</a>.··The·source·file·of·the·module·is | 205 | <a·href="cover_chapter.html#loading">loaded</a>.··The·source·file·of·the·module·is |
| 206 | not·affected·and·no·<code·class="inline">.beam</code>·file·is·created.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">compile_module</span><span·class="p"·data-group-id=" | 206 | not·affected·and·no·<code·class="inline">.beam</code>·file·is·created.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">compile_module</span><span·class="p"·data-group-id="8379630654-1">(</span><span·class="ss">channel</span><span·class="p"·data-group-id="8379630654-1">)</span><span·class="p">.</span><span·class="w"> |
| 207 | </span><span·class="p"·data-group-id=" | 207 | </span><span·class="p"·data-group-id="8379630654-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">channel</span><span·class="p"·data-group-id="8379630654-2">}</span></code></pre><p>Each·time·a·function·in·the·cover-compiled·module·<code·class="inline">channel</code>·is·called, |
| 208 | information·about·the·call·will·be·added·to·the·Cover·database.·Run·the·test | 208 | information·about·the·call·will·be·added·to·the·Cover·database.·Run·the·test |
| 209 | case:</p><pre><code·class="text">3>·test:s(). | 209 | case:</p><pre><code·class="text">3>·test:s(). |
| 210 | ok</code></pre><p>Cover·analysis·is·performed·by·examining·the·contents·of·the·Cover·database.·The | 210 | ok</code></pre><p>Cover·analysis·is·performed·by·examining·the·contents·of·the·Cover·database.·The |
| 211 | output·is·determined·by·two·parameters,·<code·class="inline">Level</code>·and·<code·class="inline">Analysis</code>.·<code·class="inline">Analysis</code>·is | 211 | output·is·determined·by·two·parameters,·<code·class="inline">Level</code>·and·<code·class="inline">Analysis</code>.·<code·class="inline">Analysis</code>·is |
| 212 | either·<code·class="inline">coverage</code>·or·<code·class="inline">calls</code>·and·determines·the·type·of·the·analysis.·<code·class="inline">Level</code>·is | 212 | either·<code·class="inline">coverage</code>·or·<code·class="inline">calls</code>·and·determines·the·type·of·the·analysis.·<code·class="inline">Level</code>·is |
| 213 | either·<code·class="inline">module</code>,·<code·class="inline">function</code>,·<code·class="inline">clause</code>,·or·<code·class="inline">line</code>·and·determines·the·level·of·the | 213 | either·<code·class="inline">module</code>,·<code·class="inline">function</code>,·<code·class="inline">clause</code>,·or·<code·class="inline">line</code>·and·determines·the·level·of·the |
| 214 | analysis.</p><h3·id="coverage-analysis"·class="section-heading"> | 214 | analysis.</p><h3·id="coverage-analysis"·class="section-heading"> |
| Offset 234, 200 lines modified | Offset 234, 200 lines modified | ||
| 234 | ··<span·class="text">Coverage·Analysis</span> | 234 | ··<span·class="text">Coverage·Analysis</span> |
| 235 | </h3> | 235 | </h3> |
| 236 | <p>Analysis·of·type·<code·class="inline">coverage</code>·is·used·to·find·out·how·much·of·the·code·has·been | 236 | <p>Analysis·of·type·<code·class="inline">coverage</code>·is·used·to·find·out·how·much·of·the·code·has·been |
| 237 | executed·and·how·much·has·not·been·executed.·Coverage·is·represented·by·a·tuple | 237 | executed·and·how·much·has·not·been·executed.·Coverage·is·represented·by·a·tuple |
| 238 | <code·class="inline">{Cov,NotCov}</code>,·where·<code·class="inline">Cov</code>·is·the·number·of·executable·lines·that·have·been | 238 | <code·class="inline">{Cov,NotCov}</code>,·where·<code·class="inline">Cov</code>·is·the·number·of·executable·lines·that·have·been |
| 239 | executed·at·least·once·and·<code·class="inline">NotCov</code>·is·the·number·of·executable·lines·that·have | 239 | executed·at·least·once·and·<code·class="inline">NotCov</code>·is·the·number·of·executable·lines·that·have |
| 240 | not·been·executed.</p><p>If·the·analysis·is·made·on·module·level,·the·result·is·given·for·the·entire | 240 | not·been·executed.</p><p>If·the·analysis·is·made·on·module·level,·the·result·is·given·for·the·entire |
| 241 | module·as·a·tuple·<code·class="inline">{Module,{Cov,NotCov}}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id=" | 241 | module·as·a·tuple·<code·class="inline">{Module,{Cov,NotCov}}</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="1554413123-1">(</span><span·class="ss">channel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">coverage</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">module</span><span·class="p"·data-group-id="1554413123-1">)</span><span·class="p">.</span><span·class="w"> |
| 242 | </span><span·class="p"·data-group-id=" | 242 | </span><span·class="p"·data-group-id="1554413123-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="1554413123-3">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="p"·data-group-id="1554413123-4">{</span><span·class="mi">14</sp[·...·truncated·by·diffoscope;·len:·199,·SHA:·9ebc8c319370e320ff6c16912dd6075e7fd90aa3952c7bb82d8e8e37c49521e3·...·]-2">}</span></code></pre><p>For·<code·class="inline">channel</code>,·the·result·shows·that·14·lines·in·the·module·are·covered·but·one |
| 243 | line·is·not·covered.</p><p>If·the·analysis·is·made·on·function·level,·the·result·is·given·as·a·list·of | 243 | line·is·not·covered.</p><p>If·the·analysis·is·made·on·function·level,·the·result·is·given·as·a·list·of |
| 244 | tuples·<code·class="inline">{Function,{Cov,NotCov}}</code>,·one·for·each·function·in·the·module.·A | 244 | tuples·<code·class="inline">{Function,{Cov,NotCov}}</code>,·one·for·each·function·in·the·module.·A |
| 245 | function·is·specified·by·its·module·name,·function·name·and·arity:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id=" | 245 | function·is·specified·by·its·module·name,·function·name·and·arity:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">5>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="6804873615-1">(</span><span·class="ss">channel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">coverage</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">function</span><span·class="p"·data-group-id="6804873615-1">)</span><span·class="p">.</span><span·class="w"> |
| 246 | </span><span·class="p"·data-group-id=" | 246 | </span><span·class="p"·data-group-id="6804873615-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="6804873615-3">[</span><span·class="p"·data-group-id="6804873615-4">{</span><span·class="p"·data-group-id="6804873615-5">{</span><span·class="ss">channel<[·...·truncated·by·diffoscope;·len:·411,·SHA:·99728746a0d07a1e3b16de5029c98aeb8b92f6e0e8a5e13715edc3152bd01489·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 247 | ·····</span><span·class="p"·data-group-id=" | 247 | ·····</span><span·class="p"·data-group-id="6804873615-7">{</span><span·class="p"·data-group-id="6804873615-8">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">stop</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6804873615-8">}</s[·...·truncated·by·diffoscope;·len:·249,·SHA:·3ef78bb47a740a927bdedef275491921b2c1da3d40231fea9e4df65f1e57697b·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 248 | ·····</span><span·class="p"·data-group-id=" | 248 | ·····</span><span·class="p"·data-group-id="6804873615-10">{</span><span·class="p"·data-group-id="6804873615-11">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">alloc</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6804873615-11">[·...·truncated·by·diffoscope;·len:·255,·SHA:·f51c5e9f49219cc61bb47362d1bad2cd1142539197d843626738d8407d29f089·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 249 | ·····</span><span·class="p"·data-group-id=" | 249 | ·····</span><span·class="p"·data-group-id="6804873615-13">{</span><span·class="p"·data-group-id="6804873615-14">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">free</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="6804873615-14">}[·...·truncated·by·diffoscope;·len:·254,·SHA:·2520d3e288cd5d8b6d0b67a0847aab0bac2b9e512f28e381fc4db4049c22efa9·...·]-13">}</span><span·class="p">,</span><span·class="w"> |
| 250 | ·····</span><span·class="p"·data-group-id=" | 250 | ·····</span><span·class="p"·data-group-id="6804873615-16">{</span><span·class="p"·data-group-id="6804873615-17">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">init</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="6804873615-17">}[·...·truncated·by·diffoscope;·len:·254,·SHA:·849dad155ef5670ed386fd03985c13d6b91ee7bdb2dc2a4ec528e48760956fbc·...·]-16">}</span><span·class="p">,</span><span·class="w"> |
| 251 | ·····</span><span·class="p"·data-group-id=" | 251 | ·····</span><span·class="p"·data-group-id="6804873615-19">{</span><span·class="p"·data-group-id="6804873615-20">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">handle_call</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="680487361[·...·truncated·by·diffoscope;·len:·261,·SHA:·5341cd32a9b44b0d2cf58ab39f92e9e4b193c23e4c8fd169df1996e9323bbe98·...·]-19">}</span><span·class="p">,</span><span·class="w"> |
| 252 | ·····</span><span·class="p"·data-group-id=" | 252 | ·····</span><span·class="p"·data-group-id="6804873615-22">{</span><span·class="p"·data-group-id="6804873615-23">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">terminate</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="6804873615-[·...·truncated·by·diffoscope;·len:·259,·SHA:·0007f8c4b73f559f88188711a872ab03d515da556616b885fa129de73cb46f19·...·]-22">}</span><span·class="p">,</span><span·class="w"> |
| 253 | ·····</span><span·class="p"·data-group-id=" | 253 | ·····</span><span·class="p"·data-group-id="6804873615-25">{</span><span·class="p"·data-group-id="6804873615-26">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">channels</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="6804873615-2[·...·truncated·by·diffoscope;·len:·258,·SHA:·8118755d46276ee4ca1a0bc21c61b0b1cd648f81831b428091bf13fd9ba94c2e·...·]-25">}</span><span·class="p">,</span><span·class="w"> |
| 254 | ·····</span><span·class="p"·data-group-id=" | 254 | ·····</span><span·class="p"·data-group-id="6804873615-28">{</span><span·class="p"·data-group-id="6804873615-29">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">alloc</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="6804873615-29">[·...·truncated·by·diffoscope;·len:·255,·SHA:·38f3a13af162299adfc1537947f0cb3514d74ee7fdead37d71abddf8a3c077ec·...·]-28">}</span><span·class="p">,</span><span·class="w"> |
| 255 | ·····</span><span·class="p"·data-group-id=" | 255 | ·····</span><span·class="p"·data-group-id="6804873615-31">{</span><span·class="p"·data-group-id="6804873615-32">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">free</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="6804873615-32">}[·...·truncated·by·diffoscope;·len:·361,·SHA:·c75d23b4a98543b721c6fe1d794f3e45eb57e10493ecc077e2743ab76720cae1·...·]-2">}</span></code></pre><p>For·<code·class="inline">channel</code>,·the·result·shows·that·the·uncovered·line·is·in·the·function |
| 256 | <code·class="inline">channel:alloc/1</code>.</p><p>If·the·analysis·is·made·on·clause·level,·the·result·is·given·as·a·list·of·tuples | 256 | <code·class="inline">channel:alloc/1</code>.</p><p>If·the·analysis·is·made·on·clause·level,·the·result·is·given·as·a·list·of·tuples |
| 257 | <code·class="inline">{Clause,{Cov,NotCov}}</code>,·one·for·each·function·clause·in·the·module.·A·clause·is | 257 | <code·class="inline">{Clause,{Cov,NotCov}}</code>,·one·for·each·function·clause·in·the·module.·A·clause·is |
| 258 | specified·by·its·module·name,·function·name,·arity·and·position·within·the | 258 | specified·by·its·module·name,·function·name,·arity·and·position·within·the |
| 259 | function·definition:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="6 | 259 | function·definition:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">6>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="6437163672-1">(</span><span·class="ss">channel</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">coverage</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">clause</span><span·class="p"·data-group-id="6437163672-1">)</span><span·class="p">.</span><span·class="w"> |
| 260 | </span><span·class="p"·data-group-id="6 | 260 | </span><span·class="p"·data-group-id="6437163672-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="6437163672-3">[</span><span·class="p"·data-group-id="6437163672-4">{</span><span·class="p"·data-group-id="6437163672-5">{</span><span·class="ss">channel</[·...·truncated·by·diffoscope;·len:·459,·SHA:·c4a71afd96f703548231939f7320278f6211c9be0b102ed1fb1a64e5ca71df7c·...·]-4">}</span><span·class="p">,</span><span·class="w"> |
| 261 | ·····</span><span·class="p"·data-group-id="6 | 261 | ·····</span><span·class="p"·data-group-id="6437163672-7">{</span><span·class="p"·data-group-id="6437163672-8">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">stop</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</span><[·...·truncated·by·diffoscope;·len:·297,·SHA:·dd2a2039465c1a453cfe04749b4d87424d97546c8a6669958b63f2c713297100·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 262 | ·····</span><span·class="p"·data-group-id="6 | 262 | ·····</span><span·class="p"·data-group-id="6437163672-10">{</span><span·class="p"·data-group-id="6437163672-11">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">alloc</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</spa[·...·truncated·by·diffoscope;·len:·303,·SHA:·f0aaccccbaf732863ca4ce8d027081962cb3e7c4241f897a2dfe8b6fd51c9bb2·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 263 | ·····</span><span·class="p"·data-group-id="6 | 263 | ·····</span><span·class="p"·data-group-id="6437163672-13">{</span><span·class="p"·data-group-id="6437163672-14">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">free</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">1</span[·...·truncated·by·diffoscope;·len:·302,·SHA:·4e768199e287e950320b8e5ae8effc96cf9ba5a5c516cdada426e106a85ae3fc·...·]-13">}</span><span·class="p">,</span><span·class="w"> |
| 264 | ·····</span><span·class="p"·data-group-id="6 | 264 | ·····</span><span·class="p"·data-group-id="6437163672-16">{</span><span·class="p"·data-group-id="6437163672-17">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">init</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">1</span[·...·truncated·by·diffoscope;·len:·302,·SHA:·4a81285c7680281a510162531ca960fa82ccad304d40f6da912a7facf4e66100·...·]-16">}</span><span·class="p">,</span><span·class="w"> |
| 265 | ·····</span><span·class="p"·data-group-id="6 | 265 | ·····</span><span·class="p"·data-group-id="6437163672-19">{</span><span·class="p"·data-group-id="6437163672-20">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">handle_call</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">[·...·truncated·by·diffoscope;·len:·309,·SHA:·c1887f80627cd6ff66f869232c2a1942e9258c4ad02b595b824a5b008df85a59·...·]-19">}</span><span·class="p">,</span><span·class="w"> |
| 266 | ·····</span><span·class="p"·data-group-id="6 | 266 | ·····</span><span·class="p"·data-group-id="6437163672-22">{</span><span·class="p"·data-group-id="6437163672-23">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">handle_call</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">[·...·truncated·by·diffoscope;·len:·309,·SHA:·48f1fd3ff25d8dfe343e826f3f168cd82a6b68d13bdc4a6191035daeb0d079c4·...·]-22">}</span><span·class="p">,</span><span·class="w"> |
| 267 | ·····</span><span·class="p"·data-group-id="6 | 267 | ·····</span><span·class="p"·data-group-id="6437163672-25">{</span><span·class="p"·data-group-id="6437163672-26">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">handle_call</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="mi">[·...·truncated·by·diffoscope;·len:·309,·SHA:·06a3ee1b35e71d2c0454422e53f26e22bec4cabc6051428816179f642ad8e6c9·...·]-25">}</span><span·class="p">,</span><span·class="w"> |
| 268 | ·····</span><span·class="p"·data-group-id="6 | 268 | ·····</span><span·class="p"·data-group-id="6437163672-28">{</span><span·class="p"·data-group-id="6437163672-29">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">terminate</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="mi">1<[·...·truncated·by·diffoscope;·len:·307,·SHA:·00a9aa6666faa507c2963ef7033217b2d0dc3e29c7f9ed23d35b6b667e71a1f2·...·]-28">}</span><span·class="p">,</span><span·class="w"> |
| 269 | ·····</span><span·class="p"·data-group-id="6 | 269 | ·····</span><span·class="p"·data-group-id="6437163672-31">{</span><span·class="p"·data-group-id="6437163672-32">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">channels</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</[·...·truncated·by·diffoscope;·len:·306,·SHA:·87c54f16bef66595314ce4109f9c95aae6ff223c6c42b2b6ef765fbb648f3289·...·]-31">}</span><span·class="p">,</span><span·class="w"> |
| 270 | ·····</span><span·class="p"·data-group-id="6 | 270 | ·····</span><span·class="p"·data-group-id="6437163672-34">{</span><span·class="p"·data-group-id="6437163672-35">{</span><span·class="ss">channel</span><span·class="p">,</span><span·class="ss">alloc</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">1</spa[·...·truncated·by·diffoscope;·len:·303,·SHA:·f1409bc6305cbdf1f6eec8366b5f0e38968deed76018078f9ea454713a224f57·...·]-34">}</span><span·class="p">,</span><span·class="w"> |
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| Offset 574, 15 lines modified | Offset 574, 15 lines modified | ||
| 574 | ······<div·class="specs"> | 574 | ······<div·class="specs"> |
| 575 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·analyse(Mod,·Limit)·->·ModAnalysis·::·<a·href="#t:mod_analysis/0">mod_analysis</a>() | 575 | ··········<pre·translate="no"><span·class="attribute">-spec</span>·analyse(Mod,·Limit)·->·ModAnalysis·::·<a·href="#t:mod_analysis/0">mod_analysis</a>() |
| 576 | ·················when·Mod·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:module/0">module</a>(),·Limit·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>().</pre> | 576 | ·················when·Mod·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:module/0">module</a>(),·Limit·::·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#t:non_neg_integer/0">non_neg_integer</a>().</pre> |
| 577 | ······</div> | 577 | ······</div> |
| 578 | <p>Collects·and·analyses·all·call·counters·for·module·<code·class="inline">Module</code>.</p><p>This·function·returns:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 578 | <p>Collects·and·analyses·all·call·counters·for·module·<code·class="inline">Module</code>.</p><p>This·function·returns:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8344163387-1">{</span><span·class="n">Module</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ModuleCount</span><span·class="p">,</span><span·class="w">·</span><span·class="n">FuncAnalysisList</span><span·class="p"·data-group-id="83441[·...·truncated·by·diffoscope;·len:·651,·SHA:·e43110f3c11b8aeff1c38e60c3582468bcbb680b6acfdb7123ee9d836ce0e8d3·...·]-1">}</span></code></pre><p>If·call·counters·are·still·running·while·<code·class="inline">analyse/0,1,2</code>·is·executing,·the·result |
| 579 | could·be·inconsistent.·This·happens·if·the·process·executing·<code·class="inline">analyse/0,1,2</code> | 579 | could·be·inconsistent.·This·happens·if·the·process·executing·<code·class="inline">analyse/0,1,2</code> |
| 580 | is·scheduled·out·so·some·other·process·can·increment·the·counters·that·are | 580 | is·scheduled·out·so·some·other·process·can·increment·the·counters·that·are |
| 581 | being·analysed.·Calling·<a·href="#pause/0"><code·class="inline">pause()</code></a>·before·analysing·takes·care·of | 581 | being·analysed.·Calling·<a·href="#pause/0"><code·class="inline">pause()</code></a>·before·analysing·takes·care·of |
| 582 | that·problem.</p><p>All·functions·with·a·<code·class="inline">FuncCallCount</code>·lower·than·<code·class="inline">Limit</code>·are·excluded·from | 582 | that·problem.</p><p>All·functions·with·a·<code·class="inline">FuncCallCount</code>·lower·than·<code·class="inline">Limit</code>·are·excluded·from |
| 583 | <code·class="inline">FuncAnalysisList</code>.·They·are·still·included·in·<code·class="inline">ModCallCount</code>,·though.</p> | 583 | <code·class="inline">FuncAnalysisList</code>.·They·are·still·included·in·<code·class="inline">ModCallCount</code>,·though.</p> |
| 584 | ··</section> | 584 | ··</section> |
| 585 | </section> | 585 | </section> |
| Offset 1063, 15 lines modified | Offset 1063, 15 lines modified | ||
| 1063 | ······<p·class="built-using"> | 1063 | ······<p·class="built-using"> |
| 1064 | ········Built·using | 1064 | ········Built·using |
| 1065 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1065 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1066 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1066 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1067 | ······</p> | 1067 | ······</p> |
| 1068 | <p>Copyright·©·1996-202 | 1068 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1069 | ····</footer> | 1069 | ····</footer> |
| 1070 | ··</div> | 1070 | ··</div> |
| 1071 | </main> | 1071 | </main> |
| 1072 | </div> | 1072 | </div> |
| 1073 | <script> | 1073 | <script> |
| 1074 | ··function·mermaidLoaded()·{ | 1074 | ··function·mermaidLoaded()·{ |
| 1075 | ····mermaid.initialize({ | 1075 | ····mermaid.initialize({ |
| Offset 152, 130 lines modified | Offset 152, 130 lines modified | ||
| 152 | no·trace·message·has·to·be·generated.·Some·measurements·indicates·performance | 152 | no·trace·message·has·to·be·generated.·Some·measurements·indicates·performance |
| 153 | degradations·in·the·vicinity·of·10·percent.</p><p>The·following·sections·show·some·examples·of·profiling·with·<a·href="cprof.html"><code·class="inline">cprof</code></a>.</p><h2·id="example-background-work"·class="section-heading"> | 153 | degradations·in·the·vicinity·of·10·percent.</p><p>The·following·sections·show·some·examples·of·profiling·with·<a·href="cprof.html"><code·class="inline">cprof</code></a>.</p><h2·id="example-background-work"·class="section-heading"> |
| 154 | ··<a·href="#example-background-work"·class="hover-link"> | 154 | ··<a·href="#example-background-work"·class="hover-link"> |
| 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 155 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 156 | ··</a> | 156 | ··</a> |
| 157 | ··<span·class="text">Example:·Background·work</span> | 157 | ··<span·class="text">Example:·Background·work</span> |
| 158 | </h2> | 158 | </h2> |
| 159 | <p>From·the·Erlang·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 159 | <p>From·the·Erlang·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="5588992177-1">(</span><span·class="p"·data-group-id="5588992177-1">)</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">pause</span><span·class="p"·data-group-id="5588992177-2">(</spa[·...·truncated·by·diffoscope;·len:·43,·SHA:·c0a33ce3804d10c2cf99d10ec62bfaa08e4ea5bd5f102a823056ce20f4823ae8·...·]-2">)</span><span·class="p">.</span><span·class="w">·</span><span·class="c1">%·Stop·counters·just·after·start</span><span·class="w"> |
| 160 | </span><span·class="mi">8492</span><span·class="gp·unselectable"> | 160 | </span><span·class="mi">8492</span><span·class="gp·unselectable"> |
| 161 | 2>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id=" | 161 | 2>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="5588992177-3">(</span><span·class="p"·data-group-id="5588992177-3">)</span><span·class="p">.</span><span·class="w"> |
| 162 | </span><span·class="p"·data-group-id=" | 162 | </span><span·class="p"·data-group-id="5588992177-4">{</span><span·class="mi">539</span><span·class="p">,</span><span·class="w"> |
| 163 | ·</span><span·class="p"·data-group-id=" | 163 | ·</span><span·class="p"·data-group-id="5588992177-5">[</span><span·class="p"·data-group-id="5588992177-6">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="mi">155</span><span·class="p">,</span><span·class="w"> |
| 164 | ·········</span><span·class="p"·data-group-id=" | 164 | ·········</span><span·class="p"·data-group-id="5588992177-7">[</span><span·class="p"·data-group-id="5588992177-8">{</span><span·class="p"·data-group-id="5588992177-9">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">prep_check</span><span·class="p">,</span><span·class="mi">[·...·truncated·by·diffoscope;·len:·152,·SHA:·224957e41821d8ed713809725d3070b712dcdf9f8ebb18a43ab1237c30516d69·...·]-8">}</span><span·class="p">,</span><span·class="w"> |
| 165 | ··········</span><span·class="p"·data-group-id=" | 165 | ··········</span><span·class="p"·data-group-id="5588992177-10">{</span><span·class="p"·data-group-id="5588992177-11">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">used_records</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="5588992177[·...·truncated·by·diffoscope;·len:·104,·SHA:·05facd12a6e1ee07b7c015349c3a52405b3a9b373f9d5bdaf153f47a6c5f7cd7·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 166 | ··········</span><span·class="p"·data-group-id=" | 166 | ··········</span><span·class="p"·data-group-id="5588992177-12">{</span><span·class="p"·data-group-id="5588992177-13">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">used_records</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="5588992177[·...·truncated·by·diffoscope;·len:·104,·SHA:·973f4913e855db4d00bd527ef6cd617479763d8bce1e8699c9455d945def5679·...·]-12">}</span><span·class="p">,</span><span·class="w"> |
| 167 | ··········</span><span·class="p"·data-group-id=" | 167 | ··········</span><span·class="p"·data-group-id="5588992177-14">{</span><span·class="p"·data-group-id="5588992177-15">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">used_record_defs</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="558899[·...·truncated·by·diffoscope;·len:·107,·SHA:·731ecd1b1d7e43d292fc69c1e4db3a2700a43183c41320d9cf6c070d608a5fea·...·]-14">}</span><span·class="p">,</span><span·class="w"> |
| 168 | ··········</span><span·class="p"·data-group-id=" | 168 | ··········</span><span·class="p"·data-group-id="5588992177-16">{</span><span·class="p"·data-group-id="5588992177-17">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">record_defs</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5588992177-[·...·truncated·by·diffoscope;·len:·102,·SHA:·f581ec175e614311cea14938f3f4b3a2d7b568b9a93ffe0a7c4ec1ee4f433e17·...·]-16">}</span><span·class="p">,</span><span·class="w"> |
| 169 | ··········</span><span·class="p"·data-group-id=" | 169 | ··········</span><span·class="p"·data-group-id="5588992177-18">{</span><span·class="p"·data-group-id="5588992177-19">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">record_bindings</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5588992[·...·truncated·by·diffoscope;·len:·106,·SHA:·4f49b25b2bf1e466bb61fda41bfafb5fcbc80dbf7fbc4b55fa09d8f455bc939f·...·]-18">}</span><span·class="p">,</span><span·class="w"> |
| 170 | ··········</span><span·class="p"·data-group-id=" | 170 | ··········</span><span·class="p"·data-group-id="5588992177-20">{</span><span·class="p"·data-group-id="5588992177-21">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">exprs</span><span·class="p">,</span><span·class="mi">7</span><span·class="p"·data-group-id="5588992177-21">}<[·...·truncated·by·diffoscope;·len:·96,·SHA:·5a9bf49371797a76e71c326f02c75e47320ede0cb1cf5718a8c64095d2a414e7·...·]-20">}</span><span·class="p">,</span><span·class="w"> |
| 171 | ··········</span><span·class="p"·data-group-id=" | 171 | ··········</span><span·class="p"·data-group-id="5588992177-22">{</span><span·class="p"·data-group-id="5588992177-23">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">expr</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="5588992177-23">}</[·...·truncated·by·diffoscope;·len:·95,·SHA:·619b12ea6c86edcb2d2687f7523d402e5a25faa52a768de0777fd14a43eff665·...·]-22">}</span><span·class="p">,</span><span·class="w"> |
| 172 | ··········</span><span·class="p"·data-group-id=" | 172 | ··········</span><span·class="p"·data-group-id="5588992177-24">{</span><span·class="p"·data-group-id="5588992177-25">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">expand_records</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="55889921[·...·truncated·by·diffoscope;·len:·105,·SHA:·75a4b60c7b9432c1b49f8b1ef70f4d1051777b4f687d84374fec157b6bcee000·...·]-24">}</span><span·class="p">,</span><span·class="w"> |
| 173 | ··········</span><span·class="p"·data-group-id=" | 173 | ··········</span><span·class="p"·data-group-id="5588992177-26">{</span><span·class="p"·data-group-id="5588992177-27">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">check_command</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="558899217[·...·truncated·by·diffoscope;·len:·104,·SHA:·d781e71946791d277f2530c2d544d7685db71e5b4bf1bc6b038806c5d39ad4b0·...·]-26">}</span><span·class="p">,</span><span·class="w"> |
| 174 | ··········</span><span·class="p"·data-group-id=" | 174 | ··········</span><span·class="p"·data-group-id="5588992177-28">{</span><span·class="p"·data-group-id="5588992177-29">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">apply_fun</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="5588992177-29[·...·truncated·by·diffoscope;·len:·100,·SHA:·fcf29a09423cc5ad32bd4ab6cd1454a6d6f65e2c074a440da00a6d213e533347·...·]-28">}</span><span·class="p">,</span><span·class="w"> |
| 175 | ··········</span><span·class="p"·data-group-id=" | 175 | ··········</span><span·class="p"·data-group-id="5588992177-30">{</span><span·class="p"·data-group-id="5588992177-31">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">'-exprs/7-lc$^0/1-0-'</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·120,·SHA:·b68dcec5f43ebb1ca8286385a615c9a32abd79bff1563dc3f5fbffe4264cb666·...·]-30">}</span><span·class="p">,</span><span·class="w"> |
| 176 | ··········</span><span·class="p"·data-group-id=" | 176 | ··········</span><span·class="p"·data-group-id="5588992177-32">{</span><span·class="p"·data-group-id="5588992177-33">{</span><span·class="ss">shell</span><span·class="p">,</span><span·class="ss">'-eval_loop/3-fun-0-'</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·227,·SHA:·de419c6277565162abfe2cde9e5359567a913481493bd326d90be52e01a11888·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 177 | ··</span><span·class="c1">%%·Information·about·many·modules·omitted.</span><span·class="w"> | 177 | ··</span><span·class="c1">%%·Information·about·many·modules·omitted.</span><span·class="w"> |
| 178 | ·····················</span><span·class="p">.</span><span·class="w"> | 178 | ·····················</span><span·class="p">.</span><span·class="w"> |
| 179 | ·····················</span><span·class="p">.</span><span·class="w"> | 179 | ·····················</span><span·class="p">.</span><span·class="w"> |
| 180 | ·····················</span><span·class="p">.</span><span·class="w"> | 180 | ·····················</span><span·class="p">.</span><span·class="w"> |
| 181 | ··</span><span·class="c1">%%·Here·is·the·last·part.</span><span·class="w"> | 181 | ··</span><span·class="c1">%%·Here·is·the·last·part.</span><span·class="w"> |
| 182 | ··</span><span·class="p"·data-group-id=" | 182 | ··</span><span·class="p"·data-group-id="5588992177-34">{</span><span·class="ss">erts_internal</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="p"·data-group-id="5588992177-35">[</span><span·class="p"·data-group-id="5588992177-36">{</span><span·class="p"[·...·truncated·by·diffoscope;·len:·438,·SHA:·958f630fbe0f44388b2bfd0de372c0310a44c851faf72f7a340474027c694424·...·]-34">}</span><span·class="p">,</span><span·class="w"> |
| 183 | ··</span><span·class="p"·data-group-id="9890355445-38">{</span><span·class="ss">otp_internal</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="p"·data-group-id="9890355445-39">[</span><span·class="p"·data-group-id="9890355445-40">{</span><span·class="p"·data-group-id="9890355445-41">{</span><span·class="ss">otp_internal</span><span·class="p">,</span><span·class="ss">obsolete</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="9890355445-41">}</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="9890355445-40">}</span><span·class="p"·data-group-id="9890355445-39">]</span><span·class="p"·data-group-id="9890355445-38">}</span><span·class="p">,</span><span·class="w"> | ||
| 184 | ··</span><span·class="p"·data-group-id="9890355445-42">{</span><span·class="ss">maps</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="p"·data-group-id="9890355445-43">[</span><span·class="p"·data-group-id="9890355445-44">{</span><span·class="p"·data-group-id="9890355445-45">{</span><span·class="ss">maps</span><span·class="p">,</span><span·class="ss">from_list</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="9890355445-45">}</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="9890355445-44">}</span><span·class="p"·data-group-id="9890355445-43">]</span><span·class="p"·data-group-id="9890355445-42">}</span><span·class="p">,</span><span·class="w"> | ||
| 185 | ··</span><span·class="p"·data-group-id="9890355445-46">{</span><span·class="ss">erl_internal</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="p"·data-group-id="9890355445-47">[</span><span·class="p"·data-group-id="9890355445-48">{</span><span·class="p"·data-group-id="9890355445-49">{</span><span·class="ss">erl_internal</span><span·class="p">,</span><span·class="ss">bif</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="9890355445-49">}</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="9890355445-48">}</span><span·class="p"·data-group-id="9890355445-47">]</span><span·class="p"·data-group-id="9890355445-46">}</span><span·class="p"·data-group-id="9890355445-5">]</span><span·class="p"·data-group-id="9890355445-4">}</span><span·class="gp·unselectable"> | ||
| 186 | 3>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="9890355445-50">(</span><span·class="ss">cprof</span><span·class="p"·data-group-id="9890355445-50">)</span><span·class="p">.</span><span·class="w"> | ||
| 187 | </span><span·class="p"·data-group-id=" | 183 | ··</span><span·class="p"·data-group-id="5588992177-38">{</span><span·class="ss">otp_internal</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="p"·data-group-id="5588992177-39">[</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·522,·SHA:·48c91b1bc02f9778da59b78d21ef0746ee56c9f11183bc2031b303e8dd77c598·...·]"> |
| 184 | ··</span><span·class="p"·data-group-id="5588992177-42">{</span><span·class="ss">maps</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="p"·data-group-id="5588992177-43">[</span><span·class="p"·data-group-id="5588992177-44">{</span><span·class="p"·data-group-id="5588992177-45">{</span><span·class="ss">maps</span><span·class="p">,</span><span·class="ss">from_list</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="5588992177-45">}</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="5588992177-44">}</span><span·class="p"·data-group-id="5588992177-43">]</span><span·class="p"·data-group-id="5588992177-42">}</span><span·class="p">,</span><span·class="w"> | ||
| 185 | ··</span><span·class="p"·data-group-id="5588992177-46">{</span><span·class="ss">erl_internal</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="p"·data-group-id="5588992177-47">[</span><span·class="p"·data-group-id="5588992177-48">{</span><span·class="p"·data-group-id="5588992177-49">{</span><span·class="ss">erl_internal</span><span·class="p">,</span><span·class="ss">bif</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="5588992177-49">}</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="5588992177-48">}</span><span·class="p"·data-group-id="5588992177-47">]</span><span·class="p"·data-group-id="5588992177-46">}</span><span·class="p"·data-group-id="5588992177-5">]</span><span·class="p"·data-group-id="5588992177-4">}</span><span·class="gp·unselectable"> | ||
| 186 | 3>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="5588992177-50">(</span><span·class="ss">cprof</span><span·class="p"·data-group-id="5588992177-50">)</span><span·class="p">.</span><span·class="w"> | ||
| 187 | </span><span·class="p"·data-group-id="5588992177-51">{</span><span·class="ss">cprof</span><span·class="p">,</span><span·class="mi">3</span><span·class="p">,</span><span·class="p"·data-group-id="5588992177-52">[</span><span·class="p"·data-group-id="5588992177-53">{</span><span·class="p"·data-group-id="5588992177-54">{</span><span·class="ss">cprof</span><span·class="p">,</span><span·class="ss">tr</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5588992177-54">}</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="5588992177-53">}</span><span·class="p">,</span><span·class="p"·data-group-id="5588992177-55">{</span><span·class="p"·data-group-id="5588992177-56">{</span><span·class="ss">cprof</span><span·class="p">,</span><span·class="ss">pause</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="5588992177-56">}</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="5588992177-55">}</span><span·class="p"·data-group-id="5588992177-52">]</span><span·class="p"·data-group-id="5588992177-51">}</span><span·class="gp·unselectable"> | ||
| 188 | 4>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 188 | 4>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="5588992177-57">(</span><span·class="p"·data-group-id="5588992177-57">)</span><span·class="p">.</span><span·class="w"> |
| 189 | </span><span·class="mi">8586</span></code></pre><p>The·example·showed·some·of·the·background·work·that·the·shell·performs·just·to | 189 | </span><span·class="mi">8586</span></code></pre><p>The·example·showed·some·of·the·background·work·that·the·shell·performs·just·to |
| 190 | interpret·the·first·command·line.</p><p>What·is·captured·in·this·example·is·the·part·of·the·work·the·shell·does·while | 190 | interpret·the·first·command·line.</p><p>What·is·captured·in·this·example·is·the·part·of·the·work·the·shell·does·while |
| 191 | interpreting·the·command·line·that·occurs·between·the·actual·calls·to | 191 | interpreting·the·command·line·that·occurs·between·the·actual·calls·to |
| 192 | <a·href="cprof.html#start/0"><code·class="inline">cprof:start()</code></a>·and·<a·href="cprof.html#analyse/1"><code·class="inline">cprof:analyse()</code></a>.</p><h2·id="example-one-module"·class="section-heading"> | 192 | <a·href="cprof.html#start/0"><code·class="inline">cprof:start()</code></a>·and·<a·href="cprof.html#analyse/1"><code·class="inline">cprof:analyse()</code></a>.</p><h2·id="example-one-module"·class="section-heading"> |
| 193 | ··<a·href="#example-one-module"·class="hover-link"> | 193 | ··<a·href="#example-one-module"·class="hover-link"> |
| 194 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 194 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 195 | ··</a> | 195 | ··</a> |
| 196 | ··<span·class="text">Example:·One·module</span> | 196 | ··<span·class="text">Example:·One·module</span> |
| 197 | </h2> | 197 | </h2> |
| 198 | <p>From·the·Erlang·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 198 | <p>From·the·Erlang·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="6331640241-1">(</span><span·class="p"·data-group-id="6331640241-1">)</span><span·class="p">,</span><span·class="n">R</span><span·class="o">=</span><span·class="nc">calendar</span><span·class="p">:</span><span·class="nf">day_of_the_week</span><span·class="p[·...·truncated·by·diffoscope;·len:·419,·SHA:·c9f1de5170e54b2b2c527784d835f1d91e99b79da08e226c97b77b7e70a4e9e1·...·]-3">)</span><span·class="p">,</span><span·class="n">R</span><span·class="p">.</span><span·class="w"> |
| 199 | </span><span·class="mi">1</span><span·class="gp·unselectable"> | 199 | </span><span·class="mi">1</span><span·class="gp·unselectable"> |
| 200 | 2>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id=" | 200 | 2>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="6331640241-4">(</span><span·class="ss">calendar</span><span·class="p"·data-group-id="6331640241-4">)</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="p"·data-group-id=" | 201 | </span><span·class="p"·data-group-id="6331640241-5">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="mi">9</span><span·class="p">,</span><span·class="w"> |
| 202 | ··········</span><span·class="p"·data-group-id=" | 202 | ··········</span><span·class="p"·data-group-id="6331640241-6">[</span><span·class="p"·data-group-id="6331640241-7">{</span><span·class="p"·data-group-id="6331640241-8">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="ss">last_day_of_the_month1</span><span·class="p">,</span><s[·...·truncated·by·diffoscope;·len:·166,·SHA:·264abce0d5a2554a725bfbca01039402cbaa4067fddcaa3513fac2542456d65c·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 203 | ···········</span><span·class="p"·data-group-id=" | 203 | ···········</span><span·class="p"·data-group-id="6331640241-9">{</span><span·class="p"·data-group-id="6331640241-10">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="ss">last_day_of_the_month</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·114,·SHA:·602072259b639a9cf36a8b64e187931358503ce19fdc773f94c1d383aaa6a57c·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 204 | ···········</span><span·class="p"·data-group-id=" | 204 | ···········</span><span·class="p"·data-group-id="6331640241-11">{</span><span·class="p"·data-group-id="6331640241-12">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="ss">is_leap_year1</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="633164[·...·truncated·by·diffoscope;·len:·107,·SHA:·f1009a00d67a8da58f0c940b5ebfaeff661936af468ae0befc08875dd6974a23·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 205 | ···········</span><span·class="p"·data-group-id=" | 205 | ···········</span><span·class="p"·data-group-id="6331640241-13">{</span><span·class="p"·data-group-id="6331640241-14">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="ss">is_leap_year</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="6331640[·...·truncated·by·diffoscope;·len:·106,·SHA:·e36e4ac2f6a40ee16b07df6687635e58eb72965dbb1b43a622d843b9c57b26da·...·]-13">}</span><span·class="p">,</span><span·class="w"> |
| 206 | ···········</span><span·class="p"·data-group-id=" | 206 | ···········</span><span·class="p"·data-group-id="6331640241-15">{</span><span·class="p"·data-group-id="6331640241-16">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="ss">dy</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="6331640241-16">}<[·...·truncated·by·diffoscope;·len:·96,·SHA:·5dd981781a27589dc76c0e5c7331c6f0073fe1f752a6d81056737ac44bc1e00b·...·]-15">}</span><span·class="p">,</span><span·class="w"> |
| 207 | ···········</span><span·class="p"·data-group-id=" | 207 | ···········</span><span·class="p"·data-group-id="6331640241-17">{</span><span·class="p"·data-group-id="6331640241-18">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="ss">dm</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="6331640241-18">}<[·...·truncated·by·diffoscope;·len:·96,·SHA:·5dd981781a27589dc76c0e5c7331c6f0073fe1f752a6d81056737ac44bc1e00b·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 208 | ···········</span><span·class="p"·data-group-id=" | 208 | ···········</span><span·class="p"·data-group-id="6331640241-19">{</span><span·class="p"·data-group-id="6331640241-20">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="ss">df</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="6331640241-20">}<[·...·truncated·by·diffoscope;·len:·96,·SHA:·5dd981781a27589dc76c0e5c7331c6f0073fe1f752a6d81056737ac44bc1e00b·...·]-19">}</span><span·class="p">,</span><span·class="w"> |
| 209 | ···········</span><span·class="p"·data-group-id=" | 209 | ···········</span><span·class="p"·data-group-id="6331640241-21">{</span><span·class="p"·data-group-id="6331640241-22">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="ss">day_of_the_week</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="6331[·...·truncated·by·diffoscope;·len:·109,·SHA:·38a1f17d1d6f1d21ff6700b77b96463fea2090004321f0cc6eeeab19c63efdae·...·]-21">}</span><span·class="p">,</span><span·class="w"> |
| 210 | ···········</span><span·class="p"·data-group-id=" | 210 | ···········</span><span·class="p"·data-group-id="6331640241-23">{</span><span·class="p"·data-group-id="6331640241-24">{</span><span·class="ss">calendar</span><span·class="p">,</span><span·class="ss">date_to_gregorian_days</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-i[·...·truncated·by·diffoscope;·len:·223,·SHA:·7c05564c1134e27bd5beb7dd3a6e26cfaac1b095f670e2d735c7b4943a3e6f26·...·]-5">}</span><span·class="gp·unselectable"> |
| 211 | 3>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 211 | 3>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="6331640241-25">(</span><span·class="p"·data-group-id="6331640241-25">)</span><span·class="p">.</span><span·class="w"> |
| 212 | </span><span·class="mi">8648</span></code></pre><p>The·example·tells·us·that·"Aktiebolaget·LM·Ericsson·&·Co"·was·registered·on·a | 212 | </span><span·class="mi">8648</span></code></pre><p>The·example·tells·us·that·"Aktiebolaget·LM·Ericsson·&·Co"·was·registered·on·a |
| 213 | Monday·(since·the·return·value·of·the·first·command·is·1),·and·that·the | 213 | Monday·(since·the·return·value·of·the·first·command·is·1),·and·that·the |
| 214 | <code·class="inline">calendar</code>·module·needed·9·function·calls·to·calculate·that.</p><p>Using·<code·class="inline">cprof:analyse()</code>·in·this·example·also·shows·approximately·the·same | 214 | <code·class="inline">calendar</code>·module·needed·9·function·calls·to·calculate·that.</p><p>Using·<code·class="inline">cprof:analyse()</code>·in·this·example·also·shows·approximately·the·same |
| 215 | background·work·as·in·the·first·example.</p><h2·id="example-in-the-code"·class="section-heading"> | 215 | background·work·as·in·the·first·example.</p><h2·id="example-in-the-code"·class="section-heading"> |
| 216 | ··<a·href="#example-in-the-code"·class="hover-link"> | 216 | ··<a·href="#example-in-the-code"·class="hover-link"> |
| 217 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 217 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 218 | ··</a> | 218 | ··</a> |
| 219 | ··<span·class="text">Example:·In·the·code</span> | 219 | ··<span·class="text">Example:·In·the·code</span> |
| 220 | </h2> | 220 | </h2> |
| 221 | <p>Write·a·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="0427558147-1">(</span><span·class="ss">sort</span><span·class="p"·data-group-id="0427558147-1">)</span><span·class="p">.</span><span·class="w"> | ||
| 222 | < | 221 | <p>Write·a·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4014454233-1">(</span><span·class="ss">sort</span><span·class="p"·data-group-id="4014454233-1">)</span><span·class="p">.</span><span·class="w"> |
| 222 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="4014454233-2">(</span><span·class="p"·data-group-id="4014454233-3">[</span><span·class="ss">do</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="4014454233-3">]</span><span·class="p"·data-group-id="4014454233-2">)</span><span·class="p">.</span><span·class="w"> | ||
| 223 | </span><span·class="nf">do</span><span·class="p"·data-group-id=" | 223 | </span><span·class="nf">do</span><span·class="p"·data-group-id="4014454233-4">(</span><span·class="n">N</span><span·class="p"·data-group-id="4014454233-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 224 | ····</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id=" | 224 | ····</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">stop</span><span·class="p"·data-group-id="4014454233-5">(</span><span·class="p"·data-group-id="4014454233-5">)</span><span·class="p">,</span><span·class="w"> |
| 225 | ····</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 225 | ····</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="4014454233-6">(</span><span·class="p"·data-group-id="4014454233-6">)</span><span·class="p">,</span><span·class="w"> |
| 226 | ····</span><span·class="nf">do</span><span·class="p"·data-group-id=" | 226 | ····</span><span·class="nf">do</span><span·class="p"·data-group-id="4014454233-7">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4014454233-8">[</span><span·class="p"·data-group-id="4014454233-8">]</span><span·class="p"·data-group-id="4014454233-7">)</span><span·class="p">.</span><span·class="w"> |
| 227 | </span><span·class="nf">do</span><span·class="p"·data-group-id=" | 227 | </span><span·class="nf">do</span><span·class="p"·data-group-id="4014454233-9">(</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="n">L</span><span·class="p"·data-group-id="4014454233-9">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 228 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">sort</span><span·class="p"·data-group-id=" | 228 | ····</span><span·class="n">R</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">sort</span><span·class="p"·data-group-id="4014454233-10">(</span><span·class="n">L</span><span·class="p"·data-group-id="4014454233-10">)</span><span·class="p">,</span><span·class="w"> |
| 229 | ····</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">pause</span><span·class="p"·data-group-id=" | 229 | ····</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">pause</span><span·class="p"·data-group-id="4014454233-11">(</span><span·class="p"·data-group-id="4014454233-11">)</span><span·class="p">,</span><span·class="w"> |
| 230 | ····</span><span·class="n">R</span><span·class="p">;</span><span·class="w"> | 230 | ····</span><span·class="n">R</span><span·class="p">;</span><span·class="w"> |
| 231 | </span><span·class="nf">do</span><span·class="p"·data-group-id=" | 231 | </span><span·class="nf">do</span><span·class="p"·data-group-id="4014454233-12">(</span><span·class="n">N</span><span·class="p">,</span><span·class="w">·</span><span·class="n">L</span><span·class="p"·data-group-id="4014454233-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ····</span><span·class="nf">do</span><span·class="p"·data-group-id=" | 232 | ····</span><span·class="nf">do</span><span·class="p"·data-group-id="4014454233-13">(</span><span·class="n">N</span><span·class="o">-</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4014454233-14">[</span><span·class="nc">rand</span><span·class="p">:</span><span·[·...·truncated·by·diffoscope;·len:·715,·SHA:·144f3e5a9d9fb484eb7ae48d970a21ea4838feccb564103c4a2ff242bed03483·...·]53-1">)</span><span·class="p">.</span><span·class="w"> |
| 233 | </span><span·class="p"·data-group-id=" | 233 | </span><span·class="p"·data-group-id="8001929453-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">sort</span><span·class="p"·data-group-id="8001929453-2">}</span><span·class="gp·unselectable"> |
| 234 | 2>·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">seed</span><span·class="p"·data-group-id=" | 234 | 2>·</span><span·class="nc">rand</span><span·class="p">:</span><span·class="nf">seed</span><span·class="p"·data-group-id="8001929453-3">(</span><span·class="ss">default</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">42</span><span·class="p"·data-group-id="8001929453-3">)</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 235 | </span><span·class="ss">ok</span><span·class="p">.</span><span·class="gp·unselectable"> | 235 | </span><span·class="ss">ok</span><span·class="p">.</span><span·class="gp·unselectable"> |
| 236 | 3>·</span><span·class="nc">sort</span><span·class="p">:</span><span·class="nf">do</span><span·class="p"·data-group-id=" | 236 | 3>·</span><span·class="nc">sort</span><span·class="p">:</span><span·class="nf">do</span><span·class="p"·data-group-id="8001929453-4">(</span><span·class="mi">1000</span><span·class="p"·data-group-id="8001929453-4">)</span><span·class="p">.</span><span·class="w"> |
| 237 | </span><span·class="p"·data-group-id=" | 237 | </span><span·class="p"·data-group-id="8001929453-5">[</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">0</span><span·class="p">,</span><span·class="mi">1</span><span·class="p">,</span><span·class="mi">1</span><span·class="[·...·truncated·by·diffoscope;·len:·1298,·SHA:·14390c9020bfe23e8847f541769ec0128249e846116abfd30b7aef17e84bd93c·...·]53-5">]</span><span·class="gp·unselectable"> |
| 238 | 4>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id=" | 238 | 4>·</span><span·class="nc">cprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="8001929453-6">(</span><span·class="p"·data-group-id="8001929453-6">)</span><span·class="p">.</span><span·class="w"> |
| 239 | </span><span·class="p"·data-group-id=" | 239 | </span><span·class="p"·data-group-id="8001929453-7">{</span><span·class="mi">13180</span><span·class="p">,</span><span·class="w"> |
| 240 | ·</span><span·class="p"·data-group-id=" | 240 | ·</span><span·class="p"·data-group-id="8001929453-8">[</span><span·class="p"·data-group-id="8001929453-9">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="mi">6173</span><span·class="p">,</span><span·class="w"> |
| 241 | ·········</span><span·class="p"·data-group-id=" | 241 | ·········</span><span·class="p"·data-group-id="8001929453-10">[</span><span·class="p"·data-group-id="8001929453-11">{</span><span·class="p"·data-group-id="8001929453-12">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">rmerge3_1</span><span·class="p">,</span><span·class="mi[·...·truncated·by·diffoscope;·len:·155,·SHA:·8708ebcb6cb23a61eb10d5e76c159e93f826155ab290e3e5c1ea7cda96d1edb7·...·]53-11">}</span><span·class="p">,</span><span·class="w"> |
| 242 | ··········</span><span·class="p"·data-group-id=" | 242 | ··········</span><span·class="p"·data-group-id="8001929453-13">{</span><span·class="p"·data-group-id="8001929453-14">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">rmerge3_2</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8001929453-14[·...·truncated·by·diffoscope;·len:·100,·SHA:·9f1322347826672c706f5f5342a1c902254bc1965360b7761819f73b8678d6cd·...·]53-13">}</span><span·class="p">,</span><span·class="w"> |
| 243 | ··········</span><span·class="p"·data-group-id=" | 243 | ··········</span><span·class="p"·data-group-id="8001929453-15">{</span><span·class="p"·data-group-id="8001929453-16">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">split_1</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="8001929453-16">[·...·truncated·by·diffoscope;·len:·98,·SHA:·3bc190143e2a39c8501940ebac2ae656c2cc5a9eb7aeb5ef4f886355efabb265·...·]53-15">}</span><span·class="p">,</span><span·class="w"> |
| 244 | ··········</span><span·class="p"·data-group-id=" | 244 | ··········</span><span·class="p"·data-group-id="8001929453-17">{</span><span·class="p"·data-group-id="8001929453-18">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">merge3_1</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8001929453-18"[·...·truncated·by·diffoscope;·len:·99,·SHA:·b00e399123e3c14b22b569ee0db9c2db1c8c81b2c21c49da405ede613563b09f·...·]53-17">}</span><span·class="p">,</span><span·class="w"> |
| 245 | ··········</span><span·class="p"·data-group-id=" | 245 | ··········</span><span·class="p"·data-group-id="8001929453-19">{</span><span·class="p"·data-group-id="8001929453-20">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">merge3_2</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8001929453-20"[·...·truncated·by·diffoscope;·len:·99,·SHA:·9caaead8e802cd8e31af658270115b2f37a577cfe2e305380407e9d16588423a·...·]53-19">}</span><span·class="p">,</span><span·class="w"> |
| 246 | ··········</span><span·class="p"·data-group-id=" | 246 | ··········</span><span·class="p"·data-group-id="8001929453-21">{</span><span·class="p"·data-group-id="8001929453-22">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">rmerge3_12_3</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8001929453[·...·truncated·by·diffoscope;·len:·103,·SHA:·4f2276ac3106190b8208f4341dc87b31ddeee89ff4dd8cecfbfb2d582e85f858·...·]53-21">}</span><span·class="p">,</span><span·class="w"> |
| 247 | ··········</span><span·class="p"·data-group-id=" | 247 | ··········</span><span·class="p"·data-group-id="8001929453-23">{</span><span·class="p"·data-group-id="8001929453-24">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">split_1_1</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8001929453-24[·...·truncated·by·diffoscope;·len:·100,·SHA:·8bcb9636072fa9b605d8cd9699b84a0d28440c10c8328f3f2c6ccc6e0a6b98a9·...·]53-23">}</span><span·class="p">,</span><span·class="w"> |
| 248 | ··········</span><span·class="p"·data-group-id=" | 248 | ··········</span><span·class="p"·data-group-id="8001929453-25">{</span><span·class="p"·data-group-id="8001929453-26">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">merge3_12_3</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8001929453-[·...·truncated·by·diffoscope;·len:·102,·SHA:·37d5ff168ec4ea846d4a5672b6b40d9dc77e9a137191a214578c0049301b347e·...·]53-25">}</span><span·class="p">,</span><span·class="w"> |
| 249 | ··········</span><span·class="p"·data-group-id=" | 249 | ··········</span><span·class="p"·data-group-id="8001929453-27">{</span><span·class="p"·data-group-id="8001929453-28">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">rmerge3_21_3</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8001929453[·...·truncated·by·diffoscope;·len:·103,·SHA:·0ae736f3fc64c31b802f8da65169aea00cf13a60c4f0a5cf0a2f40d766eada5a·...·]53-27">}</span><span·class="p">,</span><span·class="w"> |
| 250 | ··········</span><span·class="p"·data-group-id=" | 250 | ··········</span><span·class="p"·data-group-id="8001929453-29">{</span><span·class="p"·data-group-id="8001929453-30">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">merge3_21_3</span><span·class="p">,</span><span·class="mi">6</span><span·class="p"·data-group-id="8001929453-[·...·truncated·by·diffoscope;·len:·102,·SHA:·4702e9979bd627fe9800cc0e42c1ea52f11fd16e7c00c894c943440aa3b8f483·...·]53-29">}</span><span·class="p">,</span><span·class="w"> |
| 251 | ··········</span><span·class="p"·data-group-id=" | 251 | ··········</span><span·class="p"·data-group-id="8001929453-31">{</span><span·class="p"·data-group-id="8001929453-32">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">merge2_1</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="8001929453-32"[·...·truncated·by·diffoscope;·len:·99,·SHA:·6510d33e9daf33604504bfe72176647034cbe4b3897b3950d35e26f01bfe89ca·...·]53-31">}</span><span·class="p">,</span><span·class="w"> |
| 252 | ··········</span><span·class="p"·data-group-id=" | 252 | ··········</span><span·class="p"·data-group-id="8001929453-33">{</span><span·class="p"·data-group-id="8001929453-34">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">merge2_2</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="8001929453-34"[·...·truncated·by·diffoscope;·len:·99,·SHA:·a3fb2368baf788efe511031a6dcdeb64301110c0e90268e58f49fe8307bac4d2·...·]53-33">}</span><span·class="p">,</span><span·class="w"> |
| 253 | ··········</span><span·class="p"·data-group-id=" | 253 | ··········</span><span·class="p"·data-group-id="8001929453-35">{</span><span·class="p"·data-group-id="8001929453-36">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">reverse</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8001929453-36">[·...·truncated·by·diffoscope;·len:·98,·SHA:·da6a9c438e83a672a18ffe4ca4f7bef2505f7141fda25579e504b1bd423af37b·...·]53-35">}</span><span·class="p">,</span><span·class="w"> |
| 254 | ··········</span><span·class="p"·data-group-id=" | 254 | ··········</span><span·class="p"·data-group-id="8001929453-37">{</span><span·class="p"·data-group-id="8001929453-38">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">rmerge2_2</span><span·class="p">,</span><span·class="mi">5</span><span·class="p"·data-group-id="8001929453-38[·...·truncated·by·diffoscope;·len:·99,·SHA:·adec85bdae43e83d24cea2557aa0a8fd5978241885698f69cff49e9869970dfc·...·]53-37">}</span><span·class="p">,</span><span·class="w"> |
| 255 | ··········</span><span·class="p"·data-group-id=" | 255 | ··········</span><span·class="p"·data-group-id="8001929453-39">{</span><span·class="p"·data-group-id="8001929453-40">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">rmergel</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8001929453-40">[·...·truncated·by·diffoscope;·len:·97,·SHA:·9716f46e06762b41cd48c8a96e46d8127f8dd41dbca1bdc0f11974e6348eb983·...·]53-39">}</span><span·class="p">,</span><span·class="w"> |
| 256 | ··········</span><span·class="p"·data-group-id=" | 256 | ··········</span><span·class="p"·data-group-id="8001929453-41">{</span><span·class="p"·data-group-id="8001929453-42">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">rmerge2_1</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="8001929453-42[·...·truncated·by·diffoscope;·len:·99,·SHA:·bafdc1aa1737207e54ea6f30a845cde153a00c7247d4a29701f48e4660c0f5b9·...·]53-41">}</span><span·class="p">,</span><span·class="w"> |
| 257 | ··········</span><span·class="p"·data-group-id=" | 257 | ··········</span><span·class="p"·data-group-id="8001929453-43">{</span><span·class="p"·data-group-id="8001929453-44">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">mergel</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8001929453-44">}[·...·truncated·by·diffoscope;·len:·96,·SHA:·fb21664c55b43069879cf416d80c60031620361ad2d20240b8b4bb34edd0eeaa·...·]53-43">}</span><span·class="p">,</span><span·class="w"> |
| 258 | ··········</span><span·class="p"·data-group-id=" | 258 | ··········</span><span·class="p"·data-group-id="8001929453-45">{</span><span·class="p"·data-group-id="8001929453-46">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">keyfind</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="8001929453-46">[·...·truncated·by·diffoscope;·len:·96,·SHA:·053a97efeec43bf00231bedc6b064eb991dbede95781e8f36e5b9a49521083d1·...·]53-45">}</span><span·class="p">,</span><span·class="w"> |
| 259 | ··········</span><span·class="p"·data-group-id=" | 259 | ··········</span><span·class="p"·data-group-id="8001929453-47">{</span><span·class="p"·data-group-id="8001929453-48">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">sort</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8001929453-48">}</[·...·truncated·by·diffoscope;·len:·201,·SHA:·d595979372978c8cb181e33cdafb9100afb06a3c2a6503d797bc0b2fe33f5520·...·]53-9">}</span><span·class="p">,</span><span·class="w"> |
| 260 | ··</span><span·class="p"·data-group-id=" | 260 | ··</span><span·class="p"·data-group-id="8001929453-49">{</span><span·class="ss">rand</span><span·class="p">,</span><span·class="mi">5000</span><span·class="p">,</span><span·class="w"> |
| 261 | ········</span><span·class="p"·data-group-id=" | 261 | ········</span><span·class="p"·data-group-id="8001929453-50">[</span><span·class="p"·data-group-id="8001929453-51">{</span><span·class="p"·data-group-id="8001929453-52">{</span><span·class="ss">rand</span><span·class="p">,</span><span·class="ss">uniform_s</span><span·class="p">,</span><span·class="mi"[·...·truncated·by·diffoscope;·len:·154,·SHA:·492d6f722cc062237c1b7f155edcd8eb87c81388b2d8c87df53337d0354c1fee·...·]53-51">}</span><span·class="p">,</span><span·class="w"> |
| 262 | ·········</span><span·class="p"·data-group-id=" | 262 | ·········</span><span·class="p"·data-group-id="8001929453-53">{</span><span·class="p"·data-group-id="8001929453-54">{</span><span·class="ss">rand</span><span·class="p">,</span><span·class="ss">uniform</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8001929453-54">}[·...·truncated·by·diffoscope;·len:·98,·SHA:·27353d07d9f4acfaa9409dced39d756bf84bb688ca398e0fc5f419609371ff50·...·]53-53">}</span><span·class="p">,</span><span·class="w"> |
| 263 | ·········</span><span·class="p"·data-group-id=" | 263 | ·········</span><span·class="p"·data-group-id="8001929453-55">{</span><span·class="p"·data-group-id="8001929453-56">{</span><span·class="ss">rand</span><span·class="p">,</span><span·class="ss">seed_put</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="8001929453-56">[·...·truncated·by·diffoscope;·len:·99,·SHA:·6b2d2c4ceb6c96ee55bce7c191c78eeee219e13a1ed6ccc64dbf94630a9ca63f·...·]53-55">}</span><span·class="p">,</span><span·class="w"> |
| 264 | ·········</span><span·class="p"·data-group-id=" | 264 | ·········</span><span·class="p"·data-group-id="8001929453-57">{</span><span·class="p"·data-group-id="8001929453-58">{</span><span·class="ss">rand</span><span·class="p">,</span><span·class="ss">seed_get</span><span·class="p">,</span><span·class="mi">0</span><span·class="p"·data-group-id="8001929453-58">[·...·truncated·by·diffoscope;·len:·99,·SHA:·6b2d2c4ceb6c96ee55bce7c191c78eeee219e13a1ed6ccc64dbf94630a9ca63f·...·]53-57">}</span><span·class="p">,</span><span·class="w"> |
| 265 | ·········</span><span·class="p"·data-group-id=" | 265 | ·········</span><span·class="p"·data-group-id="8001929453-59">{</span><span·class="p"·data-group-id="8001929453-60">{</span><span·class="ss">rand</span><span·class="p">,</span><span·class="ss">exsss_uniform</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8001929453[·...·truncated·by·diffoscope;·len:·212,·SHA:·b40b5b2e766f5ad6844c23a644a64f20df9d87072c2b20640c4ab67f52bd0865·...·]53-49">}</span><span·class="p">,</span><span·class="w"> |
| 266 | ··</span><span·class="p"·data-group-id=" | 266 | ··</span><span·class="p"·data-group-id="8001929453-61">{</span><span·class="ss">erlang</span><span·class="p">,</span><span·class="mi">1004</span><span·class="p">,</span><span·class="w"> |
| 267 | ··········</span><span·class="p"·data-group-id=" | 267 | ··········</span><span·class="p"·data-group-id="8001929453-62">[</span><span·class="p"·data-group-id="8001929453-63">{</span><span·class="p"·data-group-id="8001929453-64">{</span><span·class="ss">erlang</span><span·class="p">,</span><span·class="nb">put</span><span·class="p">,</span><span·class="mi">2</[·...·truncated·by·diffoscope;·len:·150,·SHA:·e45b5efe57d50bf549778b45d28db1499a2f0605d042811bbcb6aa4708c57253·...·]53-63">}</span><span·class="p">,</span><span·class="w"> |
| 268 | ···········</span><span·class="p"·data-group-id=" | 268 | ···········</span><span·class="p"·data-group-id="8001929453-65">{</span><span·class="p"·data-group-id="8001929453-66">{</span><span·class="ss">erlang</span><span·class="p">,</span><span·class="nb">trace_pattern</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="80019294[·...·truncated·by·diffoscope;·len:·103,·SHA:·3043a16ce82b67b0eea94e584744818cf00619f5fefff9645530b21bb0ed2e40·...·]53-65">}</span><span·class="p">,</span><span·class="w"> |
| 269 | ···········</span><span·class="p"·data-group-id=" | 269 | ···········</span><span·class="p"·data-group-id="8001929453-67">{</span><span·class="p"·data-group-id="8001929453-68">{</span><span·class="ss">erlang</span><span·class="p">,</span><span·class="ss">ensure_tracer_module_loaded</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·225,·SHA:·f43d8f90f68bb57c142583e5164b0056f8afc48ca37730d9bcbe86bcc1ced87a·...·]53-61">}</span><span·class="p">,</span><span·class="w"> |
| 270 | ··</span><span·class="p"·data-group-id=" | 270 | ··</span><span·class="p"·data-group-id="8001929453-69">{</span><span·class="ss">sort</span><span·class="p">,</span><span·class="mi">1001</span><span·class="p">,</span><span·class="p"·data-group-id="8001929453-70">[</span><span·class="p"·data-group-id="8001929453-71">{</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·413,·SHA:·9ecbcd7a071832d3a3f93dbd90a24def6e23afa07ad392dd412416ef82d62569·...·]53-69">}</span><span·class="p">,</span><span·class="w"> |
| 271 | ··</span><span·class="p"·data-group-id=" | 271 | ··</span><span·class="p"·data-group-id="8001929453-73">{</span><span·class="ss">erts_internal</span><span·class="p">,</span><span·class="mi">2</span><span·class="p">,</span><span·class="p"·data-group-id="8001929453-74">[</span><span·class="p"·data-group-id="8001929453-75">{</span><span·class="p"[·...·truncated·by·diffoscope;·len:·543,·SHA:·4e71be4b739134682d466b51201b3057a3320b22496f137bbde9312b3ae03039·...·]53-7">}</span><span·class="gp·unselectable"> |
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| 971 | ······<p·class="built-using"> | 971 | ······<p·class="built-using"> |
| 972 | ········Built·using | 972 | ········Built·using |
| 973 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 973 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 974 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 974 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 975 | ······</p> | 975 | ······</p> |
| 976 | <p>Copyright·©·1996-202 | 976 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 977 | ····</footer> | 977 | ····</footer> |
| 978 | ··</div> | 978 | ··</div> |
| 979 | </main> | 979 | </main> |
| 980 | </div> | 980 | </div> |
| 981 | <script> | 981 | <script> |
| 982 | ··function·mermaidLoaded()·{ | 982 | ··function·mermaidLoaded()·{ |
| 983 | ····mermaid.initialize({ | 983 | ····mermaid.initialize({ |
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| 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 208 | ··</a> | 208 | ··</a> |
| 209 | ··<span·class="text">Edit·-·Alignment</span> | 209 | ··<span·class="text">Edit·-·Alignment</span> |
| 210 | </h2> | 210 | </h2> |
| 211 | <ul><li>··<em><code·class="inline">C-c·C-a</code></em>·(<code·class="inline">align-current</code>)·-·aligns·comments,·arrows,·assignments, | 211 | <ul><li>··<em><code·class="inline">C-c·C-a</code></em>·(<code·class="inline">align-current</code>)·-·aligns·comments,·arrows,·assignments, |
| 212 | and·type·annotations·around·the·cursor.</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Example</span><span·class="p">:</span><span·class="w"> | 212 | and·type·annotations·around·the·cursor.</li></ul><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Example</span><span·class="p">:</span><span·class="w"> |
| 213 | </span><span·class="nf">sum</span><span·class="p"·data-group-id=" | 213 | </span><span·class="nf">sum</span><span·class="p"·data-group-id="7626674327-1">(</span><span·class="n">L</span><span·class="p"·data-group-id="7626674327-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">sum</span><span·class="p"·data-group-id="7626674327-2">(</span><[·...·truncated·by·diffoscope;·len:·136,·SHA:·7c98ba37cd92b74c313f3cdf4898a2151e9b6360e5af9a34ede782f319e1e197·...·]7-2">)</span><span·class="p">.</span><span·class="w"> |
| 214 | </span><span·class="nf">sum</span><span·class="p"·data-group-id=" | 214 | </span><span·class="nf">sum</span><span·class="p"·data-group-id="7626674327-3">(</span><span·class="p"·data-group-id="7626674327-4">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="7626674327-4">]</span><span·class="p">,</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·461,·SHA:·8d3e72ec13c4fa12e17e3dfd953ec65498771bd667e4d9c5d13eb0da9f11e4cc·...·]7-5">)</span><span·class="p">;</span><span·class="w">··</span><span·class="c1">%·recurse</span><span·class="w"> |
| 215 | </span><span·class="nf">sum</span><span·class="p"·data-group-id=" | 215 | </span><span·class="nf">sum</span><span·class="p"·data-group-id="7626674327-6">(</span><span·class="p"·data-group-id="7626674327-7">[</span><span·class="p"·data-group-id="7626674327-7">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Sum</span><span·class="p"·data-group-id="7626674327-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Sum</span><span·class="p">.</span><span·class="w">···</span><span·class="c1">%·base·case</span><span·class="w"> |
| 216 | </span><span·class="w"> | 216 | </span><span·class="w"> |
| 217 | </span><span·class="p">-</span><span·class="na">record</span><span·class="w">·</span><span·class="p"·data-group-id=" | 217 | </span><span·class="p">-</span><span·class="na">record</span><span·class="w">·</span><span·class="p"·data-group-id="7626674327-8">{</span><span·class="w">·</span><span·class="ss">two</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id="7626674327-9">(</span><span·c[·...·truncated·by·diffoscope;·len:·33,·SHA:·048713e384da24e6191f442faa9372a9f17774f43580382e8d99509af798dc4f·...·]7-9">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·hello</span><span·class="w"> |
| 218 | ··········</span><span·class="ss">three</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">hello</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 218 | ··········</span><span·class="ss">three</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">hello</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="7626674327-10">(</span><span·class="p"·data-group-id="7626674327-10">)</span><span·class="p">,</span><span·class="w">····</span><span·class="c1">%·there</span><span·class="w"> |
| 219 | ··········</span><span·class="ss">four</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id=" | 219 | ··········</span><span·class="ss">four</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id="7626674327-11">(</span><span·class="p"·data-group-id="7626674327-11">)</span><span·class="w">·</span><span·class="p"·data-group-id="7626674327-8">}</span><span·class="p">.</span><span·class="w"> |
| 220 | </span><span·class="nc">becomes</span><span·class="p">:</span><span·class="w"> | 220 | </span><span·class="nc">becomes</span><span·class="p">:</span><span·class="w"> |
| 221 | </span><span·class="nf">sum</span><span·class="p"·data-group-id=" | 221 | </span><span·class="nf">sum</span><span·class="p"·data-group-id="7626674327-12">(</span><span·class="n">L</span><span·class="p"·data-group-id="7626674327-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nf">sum</span><span·class="p"·data-group-id="7626674327-13">(</spa[·...·truncated·by·diffoscope;·len:·139,·SHA:·8132f8e63d378cc448de643704144477d43f51a6a30754cf41c740d0d310de7c·...·]7-13">)</span><span·class="p">.</span><span·class="w"> |
| 222 | </span><span·class="nf">sum</span><span·class="p"·data-group-id=" | 222 | </span><span·class="nf">sum</span><span·class="p"·data-group-id="7626674327-14">(</span><span·class="p"·data-group-id="7626674327-15">[</span><span·class="n">H</span><span·class="p">|</span><span·class="n">T</span><span·class="p"·data-group-id="7626674327-15">]</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·466,·SHA:·2810a3c777277660fbf7f057d8de83e1844eeb396725a23db7c4c9597a95cbae·...·]7-16">)</span><span·class="p">;</span><span·class="w">·</span><span·class="c1">%·recurse</span><span·class="w"> |
| 223 | </span><span·class="nf">sum</span><span·class="p"·data-group-id=" | 223 | </span><span·class="nf">sum</span><span·class="p"·data-group-id="7626674327-17">(</span><span·class="p"·data-group-id="7626674327-18">[</span><span·class="p"·data-group-id="7626674327-18">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Sum</span><span·class="p"·data-group-id="7626674327-17">)</span><span·class="w">····</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Sum</span><span·class="p">.</span><span·class="w">·············</span><span·class="c1">%·base·case</span><span·class="w"> |
| 224 | </span><span·class="w"> | 224 | </span><span·class="w"> |
| 225 | </span><span·class="p">-</span><span·class="na">record</span><span·class="w">·</span><span·class="p"·data-group-id=" | 225 | </span><span·class="p">-</span><span·class="na">record</span><span·class="w">·</span><span·class="p"·data-group-id="7626674327-19">{</span><span·class="w">·</span><span·class="ss">two</span><span·class="w">···········</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id="7626674327-20">(</[·...·truncated·by·diffoscope;·len:·45,·SHA:·041d1d38cbf8d0764565a86e34390783ec6958b00178b2b40a410cd84786d80a·...·]7-20">)</span><span·class="p">,</span><span·class="w">····</span><span·class="c1">%·hello</span><span·class="w"> |
| 226 | ··········</span><span·class="ss">three</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">hello</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id=" | 226 | ··········</span><span·class="ss">three</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">hello</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">string</span><span·class="p"·data-group-id="7626674327-21">(</span><span·class="p"·data-group-id="7626674327-21">)</span><span·class="p">,</span><span·class="w">·</span><span·class="c1">%·there</span><span·class="w"> |
| 227 | ··········</span><span·class="ss">four</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="w">····</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id=" | 227 | ··········</span><span·class="ss">four</span><span·class="w">··</span><span·class="o">=</span><span·class="w">·</span><span·class="mi">42</span><span·class="w">····</span><span·class="p">:</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">int</span><span·class="p"·data-group-id="7626674327-22">(</span><span·class="p"·data-group-id="7626674327-22">)</span><span·class="w">·</span><span·class="p"·data-group-id="7626674327-19">}</span><span·class="p">.</span></code></pre><h2·id="syntax-highlighting"·class="section-heading"> |
| 228 | ··<a·href="#syntax-highlighting"·class="hover-link"> | 228 | ··<a·href="#syntax-highlighting"·class="hover-link"> |
| 229 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 229 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 230 | ··</a> | 230 | ··</a> |
| 231 | ··<span·class="text">Syntax·highlighting</span> | 231 | ··<span·class="text">Syntax·highlighting</span> |
| 232 | </h2> | 232 | </h2> |
| 233 | <p>The·syntax·highlighting·can·be·activated·from·the·Erlang·menu.·There·are·four | 233 | <p>The·syntax·highlighting·can·be·activated·from·the·Erlang·menu.·There·are·four |
| 234 | different·alternatives:</p><ul><li>··Off:·Normal·black·and·white·display.</li><li>··Level·1:·Function·headers,·reserved·words,·comments,·strings,·quoted·atoms, | 234 | different·alternatives:</p><ul><li>··Off:·Normal·black·and·white·display.</li><li>··Level·1:·Function·headers,·reserved·words,·comments,·strings,·quoted·atoms, |
| Offset 351, 15 lines modified | Offset 351, 15 lines modified | ||
| 351 | ······<p·class="built-using"> | 351 | ······<p·class="built-using"> |
| 352 | ········Built·using | 352 | ········Built·using |
| 353 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 353 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 354 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 354 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 355 | ······</p> | 355 | ······</p> |
| 356 | <p>Copyright·©·1996-202 | 356 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 357 | ····</footer> | 357 | ····</footer> |
| 358 | ··</div> | 358 | ··</div> |
| 359 | </main> | 359 | </main> |
| 360 | </div> | 360 | </div> |
| 361 | <script> | 361 | <script> |
| 362 | ··function·mermaidLoaded()·{ | 362 | ··function·mermaidLoaded()·{ |
| 363 | ····mermaid.initialize({ | 363 | ····mermaid.initialize({ |
| Offset 327, 15 lines modified | Offset 327, 15 lines modified | ||
| 327 | ······<p·class="built-using"> | 327 | ······<p·class="built-using"> |
| 328 | ········Built·using | 328 | ········Built·using |
| 329 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 329 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 330 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 330 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 331 | ······</p> | 331 | ······</p> |
| 332 | <p>Copyright·©·1996-202 | 332 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 333 | ····</footer> | 333 | ····</footer> |
| 334 | ··</div> | 334 | ··</div> |
| 335 | </main> | 335 | </main> |
| 336 | </div> | 336 | </div> |
| 337 | <script> | 337 | <script> |
| 338 | ··function·mermaidLoaded()·{ | 338 | ··function·mermaidLoaded()·{ |
| 339 | ····mermaid.initialize({ | 339 | ····mermaid.initialize({ |
| Offset 171, 69 lines modified | Offset 171, 69 lines modified | ||
| 171 | </h2> | 171 | </h2> |
| 172 | <p>This·section·describes·the·output·format·of·the·<a·href="#analyse/1"><code·class="inline">analyse/1</code></a>·function.</p><p>The·format·is·parsable·with·the·standard·Erlang·parsing·tools | 172 | <p>This·section·describes·the·output·format·of·the·<a·href="#analyse/1"><code·class="inline">analyse/1</code></a>·function.</p><p>The·format·is·parsable·with·the·standard·Erlang·parsing·tools |
| 173 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/erl_scan.html"><code·class="inline">erl_scan</code></a>·and·<a·href="../../../../lib/stdlib-6.2.1/doc/html/erl_parse.html"><code·class="inline">erl_parse</code></a>,·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#consult/1"><code·class="inline">file:consult/1</code></a>,·or·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#read/2"><code·class="inline">io:read/2</code></a>.·The | 173 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/erl_scan.html"><code·class="inline">erl_scan</code></a>·and·<a·href="../../../../lib/stdlib-6.2.1/doc/html/erl_parse.html"><code·class="inline">erl_parse</code></a>,·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#consult/1"><code·class="inline">file:consult/1</code></a>,·or·<a·href="../../../../lib/stdlib-6.2.1/doc/html/io.html#read/2"><code·class="inline">io:read/2</code></a>.·The |
| 174 | parse·format·is·not·described·here·—·it·should·be·easy·enough·for·the | 174 | parse·format·is·not·described·here·—·it·should·be·easy·enough·for·the |
| 175 | interested·reader·to·try·it·out.·Note·that·some·flags·to | 175 | interested·reader·to·try·it·out.·Note·that·some·flags·to |
| 176 | <a·href="#analyse/1"><code·class="inline">analyse/1</code></a>·will·affect·the·format.</p><p>The·following·example·was·run·on·Erlang/OTP·R8·on·Solaris·8;·all·OTP | 176 | <a·href="#analyse/1"><code·class="inline">analyse/1</code></a>·will·affect·the·format.</p><p>The·following·example·was·run·on·Erlang/OTP·R8·on·Solaris·8;·all·OTP |
| 177 | internals·in·this·example·are·version·dependent.</p><p>As·an·example,·we·will·use·the·following·function,·which·is·a | 177 | internals·in·this·example·are·version·dependent.</p><p>As·an·example,·we·will·use·the·following·function,·which·is·a |
| 178 | slightly·modified·benchmark·function·from·module·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html"><code·class="inline">file</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 178 | slightly·modified·benchmark·function·from·module·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html"><code·class="inline">file</code></a>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="9861908943-1">(</span><span·class="ss">foo</span><span·class="p"·data-group-id="9861908943-1">)</span><span·class="p">.</span><span·class="w"> |
| 179 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 179 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="9861908943-2">(</span><span·class="p"·data-group-id="9861908943-3">[</span><span·class="ss">create_file_slow</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id="9861908943-3">]</span><span·class="p"·data-group-id="98619089[·...·truncated·by·diffoscope;·len:·2,·SHA:·44cb730c420480a0477b505ae68af508fb90f96cf0ec54c6ad16949dd427f13a·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 180 | </span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id=" | 180 | </span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id="9861908943-4">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p"·data-group-id="9861908943-4">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·145,·SHA:·90d33037cf6dc2be274492baf22249760bd5f5a2a72d65f8d3834a089df122eb·...·]-5">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">>=</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 181 | ····</span><span·class="p"·data-group-id=" | 181 | ····</span><span·class="p"·data-group-id="9861908943-6">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">FD</span><span·class="p"·data-group-id="9861908943-6">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 182 | ········</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id=" | 182 | ········</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">open</span><span·class="p"·data-group-id="9861908943-7">(</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9861908943-8">[</span><span·class="ss">raw</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">write</span><s[·...·truncated·by·diffoscope;·len:·255,·SHA:·c468290fe6b05016949b85549f97e820a534f86227ab1b433ca98b5cdedcaa67·...·]-7">)</span><span·class="p">,</span><span·class="w"> |
| 183 | ····</span><span·class="k">if</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">256</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 183 | ····</span><span·class="k">if</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">></span><span·class="w">·</span><span·class="mi">256</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 184 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 184 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="9861908943-9">(</span><span·class="n">FD</span><span·class="p">,</span><span·class="w"> |
| 185 | ····························</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 185 | ····························</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="9861908943-10">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="9861908943-11">(</span><span·class="n">X</span><span·class="p"·data-group-id="9861908943-11">)</span><span·class="w">·</span><span·class="p">-></spa[·...·truncated·by·diffoscope;·len:·258,·SHA:·8ae9463a3a187eeaea647dfca545ab19c0177ee981f1ed124c32f854af878741·...·]-12">>></span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 186 | ····························</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id=" | 186 | ····························</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">seq</span><span·class="p"·data-group-id="9861908943-13">(</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">255</span><span·class="p"·data-group-id="9861908943-13">)</span><span·class="p"·data-group-id="9861908943-10">)</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·16,·SHA:·d7fff90069e97f02da94b98d0e9373139aa4da8f65ac714e8351dd08a3c03926·...·]-9">)</span><span·class="p">,</span><span·class="w"> |
| 187 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id=" | 187 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id="9861908943-14">(</span><span·class="n">FD</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">256</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p"·data-group-id="9861908943-14">)</span><span·class="p">;</span><span·class="w"> |
| 188 | ·······</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 188 | ·······</span><span·class="ss">true</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 189 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id=" | 189 | ············</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id="9861908943-15">(</span><span·class="n">FD</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p"·data-group-id="9861908943-15">)</span><span·class="w"> |
| 190 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 190 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 191 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id=" | 191 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">close</span><span·class="p"·data-group-id="9861908943-16">(</span><span·class="n">FD</span><span·class="p"·data-group-id="9861908943-16">)</span><span·class="p">.</span><span·class="w"> |
| 192 | </span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id=" | 192 | </span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id="9861908943-17">(</span><span·class="n">FD</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="p"·data-group-id="9861908943-17">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 193 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 193 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 194 | </span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id=" | 194 | </span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id="9861908943-18">(</span><span·class="n">FD</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p"·data-group-id="9861908943-18">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 195 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id=" | 195 | ····</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">file</span><span·class="p">:</span><span·class="nf">write</span><span·class="p"·data-group-id="9861908943-19">(</span><span·class="n">FD</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9861908943-20"><<</span><span·class="n">M</span><span·class="p">:</span><span·class="mi">32</span><span·class="o">/</span><[·...·truncated·by·diffoscope;·len:·133,·SHA:·91144300d37a601bbb0ddc311f5970bdfcfe2522300748a32c97859131c5426c·...·]-19">)</span><span·class="p">,</span><span·class="w"> |
| 196 | ····</span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id="7348963886-21">(</span><span·class="n">FD</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="o">+</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p"·data-group-id="7348963886-21">)</span><span·class="p">.</span></code></pre><p>Let·us·have·a·look·at·the·printout·after·running:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">fprof</span><span·class="p">:</span><span·class="nf">apply</span><span·class="p"·data-group-id="2091161830-1">(</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">create_file_slow</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="2091161830-2">[</span><span·class="ss">junk</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">1024</span><span·class="p"·data-group-id="2091161830-2">]</span><span·class="p"·data-group-id="2091161830-1">)</span><span·class="p">.</span><span·class="gp·unselectable"> | ||
| 197 | 196 | ····</span><span·class="nf">create_file_slow</span><span·class="p"·data-group-id="9861908943-21">(</span><span·class="n">FD</span><span·class="p">,</span><span·class="w">·</span><span·class="n">M</span><span·class="o">+</span><span·class="mi">1</span><span[·...·truncated·by·diffoscope;·len:·856,·SHA:·91dc80d1c0a70cbcb805a4d4a18ef4687a2a726d027e7e4337ad086f53658062·...·]">)</span><span·class="p">.</span><span·class="gp·unselectable"> | |
| 197 | 2>·</span><span·class="nc">fprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="2563865991-3">(</span><span·class="p"·data-group-id="2563865991-3">)</span><span·class="p">.</span><span·class="gp·unselectable"> | ||
| 198 | 3>·</span><span·class="nc">fprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="2 | 198 | 3>·</span><span·class="nc">fprof</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="2563865991-4">(</span><span·class="p"·data-group-id="2563865991-4">)</span><span·class="p">.</span></code></pre><p>The·printout·starts·with:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·Analysis·results:</span><span·class="w"> |
| 199 | </span><span·class="p"·data-group-id=" | 199 | </span><span·class="p"·data-group-id="0569313473-1">{</span><span·class="w">··</span><span·class="ss">analysis_options</span><span·class="p">,</span><span·class="w"> |
| 200 | ·</span><span·class="p"·data-group-id=" | 200 | ·</span><span·class="p"·data-group-id="0569313473-2">[</span><span·class="p"·data-group-id="0569313473-3">{</span><span·class="ss">callers</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="0569313473-3">}</span><span·class="p">,</span><span·class="w"> |
| 201 | ··</span><span·class="p"·data-group-id=" | 201 | ··</span><span·class="p"·data-group-id="0569313473-4">{</span><span·class="ss">sort</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">acc</span><span·class="p"·data-group-id="0569313473-4">}</span><span·class="p">,</span><span·class="w"> |
| 202 | ··</span><span·class="p"·data-group-id=" | 202 | ··</span><span·class="p"·data-group-id="0569313473-5">{</span><span·class="ss">totals</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·class="p"·data-group-id="0569313473-5">}</span><span·class="p">,</span><span·class="w"> |
| 203 | ··</span><span·class="p"·data-group-id=" | 203 | ··</span><span·class="p"·data-group-id="0569313473-6">{</span><span·class="ss">details</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">true</span><span·class="p"·data-group-id="0569313473-6">}</span><span·class="p"·data-group-id="0569313473-2">]</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·19,·SHA:·47a8815c62da891dc3a823a7958b448c67424f3366da03364fca121bb281a31c·...·]3-1">}</span><span·class="p">.</span><span·class="w"> |
| 204 | </span><span·class="c1">%·······································CNT·······ACC·······OWN</span><span·class="w"> | 204 | </span><span·class="c1">%·······································CNT·······ACC·······OWN</span><span·class="w"> |
| 205 | </span><span·class="p"·data-group-id=" | 205 | </span><span·class="p"·data-group-id="0569313473-7">[</span><span·class="p"·data-group-id="0569313473-8">{</span><span·class="w">·</span><span·class="ss">totals</span><span·class="p">,</span><span·class="w">·····························</span><span·class="mi">9627</span><span·class="p">,</span[·...·truncated·by·diffoscope;·len:·230,·SHA:·9644874f19b370dbec8ec27445febdbba11a63cef96b0d17d083e78f8d410e92·...·]3-7">]</span><span·class="p">.</span><span·class="w">··</span><span·class="c1">%%%</span></code></pre><p>The·<code·class="inline">CNT</code>·column·shows·the·total·number·of·function·calls·that·was·found·in·the |
| 206 | trace.·In·the·<code·class="inline">ACC</code>·column·is·the·total·time·of·the·trace·from·first·timestamp·to | 206 | trace.·In·the·<code·class="inline">ACC</code>·column·is·the·total·time·of·the·trace·from·first·timestamp·to |
| 207 | last.·And·in·the·<code·class="inline">OWN</code>·column·is·the·sum·of·the·execution·time·in·functions·found | 207 | last.·And·in·the·<code·class="inline">OWN</code>·column·is·the·sum·of·the·execution·time·in·functions·found |
| 208 | in·the·trace,·not·including·called·functions.·In·this·case·it·is·very·close·to | 208 | in·the·trace,·not·including·called·functions.·In·this·case·it·is·very·close·to |
| 209 | the·<code·class="inline">ACC</code>·time·since·the·emulator·had·practically·nothing·to·do·except | 209 | the·<code·class="inline">ACC</code>·time·since·the·emulator·had·practically·nothing·to·do·except |
| 210 | executing·our·test·program.</p><p>All·time·values·in·the·printout·are·in·milliseconds.</p><p>The·printout·continues:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·······································CNT·······ACC·······OWN</span><span·class="w"> | 210 | executing·our·test·program.</p><p>All·time·values·in·the·printout·are·in·milliseconds.</p><p>The·printout·continues:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%·······································CNT·······ACC·······OWN</span><span·class="w"> |
| 211 | </span><span·class="p"·data-group-id=" | 211 | </span><span·class="p"·data-group-id="0022047242-1">[</span><span·class="p"·data-group-id="0022047242-2">{</span><span·class="w">·</span><span·class="s">"<0.28.0>"</span><span·class="p">,</span><span·class="w">·························</span><span·class="mi">9627</span><span·cl[·...·truncated·by·diffoscope;·len:·222,·SHA:·b276fe932ec42d020ed6afc8681bf9dad9e6812d06bfe50935a1ac4021847b95·...·]2-1">]</span><span·class="p">.</span><span·class="w">···</span><span·class="c1">%%</span></code></pre><p>This·is·the·printout·header·of·one·process.·The·printout·contains·only·this·one |
| 212 | process·since·we·called·<a·href="#apply/3"><code·class="inline">fprof:apply/3</code></a>·that·traces·only·the·current·process. | 212 | process·since·we·called·<a·href="#apply/3"><code·class="inline">fprof:apply/3</code></a>·that·traces·only·the·current·process. |
| 213 | Therefore·the·<code·class="inline">CNT</code>·and·<code·class="inline">OWN</code>·columns·perfectly·matches·the·totals·above.·The·<code·class="inline">ACC</code> | 213 | Therefore·the·<code·class="inline">CNT</code>·and·<code·class="inline">OWN</code>·columns·perfectly·matches·the·totals·above.·The·<code·class="inline">ACC</code> |
| 214 | column·is·undefined·since·summing·the·<code·class="inline">ACC</code>·times·of·all·calls·in·the·process | 214 | column·is·undefined·since·summing·the·<code·class="inline">ACC</code>·times·of·all·calls·in·the·process |
| 215 | makes·no·sense·—·one·would·get·something·like·the·<code·class="inline">ACC</code>·value·from·totals·above | 215 | makes·no·sense·—·one·would·get·something·like·the·<code·class="inline">ACC</code>·value·from·totals·above |
| 216 | multiplied·by·the·average·depth·of·the·call·stack.</p><p>All·paragraphs·up·to·the·next·process·header·only·concerns·function·calls·within | 216 | multiplied·by·the·average·depth·of·the·call·stack.</p><p>All·paragraphs·up·to·the·next·process·header·only·concerns·function·calls·within |
| 217 | this·process.</p><p>Now·we·come·to·something·more·interesting:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 217 | this·process.</p><p>Now·we·come·to·something·more·interesting:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6409046002-1">{</span><span·class="p"·data-group-id="6409046002-2">[</span><span·class="p"·data-group-id="6409046002-3">{</span><span·class="ss">undefined</span><span·class="p">,</span><span·class="w">·····························</span><span·class="mi">0<[·...·truncated·by·diffoscope;·len:·260,·SHA:·02d0272646738eb4545ca6576a78cb3c21cd5977f91351d545a17b446405b2b3·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 218 | ·</span><span·class="p"·data-group-id=" | 218 | ·</span><span·class="p"·data-group-id="6409046002-4">{</span><span·class="w">·</span><span·class="p"·data-group-id="6409046002-5">{</span><span·class="ss">fprof</span><span·class="p">,</span><span·class="ss">apply_start_stop</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"[·...·truncated·by·diffoscope;·len:·323,·SHA:·9947b5f7b23838f749a75bd63577d3011767085ba13b843207301e87c31ad5f7·...·]-4">}</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%</span><span·class="w"> |
| 219 | ·</span><span·class="p"·data-group-id=" | 219 | ·</span><span·class="p"·data-group-id="6409046002-6">[</span><span·class="p"·data-group-id="6409046002-7">{</span><span·class="p"·data-group-id="6409046002-8">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_file_slow</span><span·class="p">,</span><span·class="[·...·truncated·by·diffoscope;·len:·352,·SHA:·e440a519b03d0b9a735911f06f09042175491d853c4422cf907b3b923e8a61da·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 220 | ··</span><span·class="p"·data-group-id=" | 220 | ··</span><span·class="p"·data-group-id="6409046002-9">{</span><span·class="ss">suspend</span><span·class="p">,</span><span·class="w">·······························</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">····</span><span·class="mf">0.000</span><span·class="p">,</s[·...·truncated·by·diffoscope;·len:·207,·SHA:·a57a2f0fb620bdfc72f1d85068dad794d20852925008de8a5c8bf14bb9305235·...·]-1">}</span><span·class="p">.</span><span·class="w"> |
| 221 | </span><span·class="p"·data-group-id=" | 221 | </span><span·class="p"·data-group-id="6409046002-10">{</span><span·class="p"·data-group-id="6409046002-11">[</span><span·class="p"·data-group-id="6409046002-12">{</span><span·class="p"·data-group-id="6409046002-13">{</span><span·class="ss">fprof</span><span·class="p">,</span><span·class="ss">a[·...·truncated·by·diffoscope;·len:·464,·SHA:·5bda9836dc988ae2397181a2c8fbc8e4f858ba91fcc88cda32a3fb88f392780a·...·]-11">]</span><span·class="p">,</span><span·class="w"> |
| 222 | ·</span><span·class="p"·data-group-id=" | 222 | ·</span><span·class="p"·data-group-id="6409046002-14">{</span><span·class="w">·</span><span·class="p"·data-group-id="6409046002-15">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_file_slow</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"[·...·truncated·by·diffoscope;·len:·326,·SHA:·abf8a2604b514f1a8ee52567e96df0beb48eed77ba470bea37e53313ece70f63·...·]-14">}</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%</span><span·class="w"> |
| 223 | ·</span><span·class="p"·data-group-id=" | 223 | ·</span><span·class="p"·data-group-id="6409046002-16">[</span><span·class="p"·data-group-id="6409046002-17">{</span><span·class="p"·data-group-id="6409046002-18">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="ss">close</span><span·class="p">,</span><span·class="mi">1</[·...·truncated·by·diffoscope;·len:·356,·SHA:·9ec9bcc6478107d7cdb59c32f89c6dca7009c8e5d2347cd95398722578994bab·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 224 | ··</span><span·class="p"·data-group-id=" | 224 | ··</span><span·class="p"·data-group-id="6409046002-19">{</span><span·class="p"·data-group-id="6409046002-20">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_file_slow</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="64090460[·...·truncated·by·diffoscope;·len:·302,·SHA:·b37ebe4bd7cdf475e707204b88b100b549e3333e7f6dc3bfa50036b21a8b86aa·...·]-19">}</span><span·class="p">,</span><span·class="w"> |
| 225 | ··</span><span·class="p"·data-group-id=" | 225 | ··</span><span·class="p"·data-group-id="6409046002-21">{</span><span·class="p"·data-group-id="6409046002-22">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="ss">open</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="6409046002-22">}</s[·...·truncated·by·diffoscope;·len:·302,·SHA:·9b851407253438993364a284a95e00f67a5a3538c2b63be01491ed40ba49fde3·...·]-21">}</span><span·class="p">,</span><span·class="w"> |
| 226 | ··</span><span·class="p"·data-group-id=" | 226 | ··</span><span·class="p"·data-group-id="6409046002-23">{</span><span·class="p"·data-group-id="6409046002-24">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">map</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="6409046002-24">}</s[·...·truncated·by·diffoscope;·len:·302,·SHA:·67361d45abceb34d7996c87236ebb89e3648b41dc42c8d075c2a903b2be9d250·...·]-23">}</span><span·class="p">,</span><span·class="w"> |
| 227 | ··</span><span·class="p"·data-group-id=" | 227 | ··</span><span·class="p"·data-group-id="6409046002-25">{</span><span·class="p"·data-group-id="6409046002-26">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">seq</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="6409046002-26">}</s[·...·truncated·by·diffoscope;·len:·302,·SHA:·0ca70c56637772f93de15d4bc34127a65ae273d10c209f87fe2d4f9e18a84ae5·...·]-25">}</span><span·class="p">,</span><span·class="w"> |
| 228 | ··</span><span·class="p"·data-group-id=" | 228 | ··</span><span·class="p"·data-group-id="6409046002-27">{</span><span·class="p"·data-group-id="6409046002-28">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="ss">write</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="6409046002-28">}</[·...·truncated·by·diffoscope;·len:·410,·SHA:·000c33a4507059868bf52f698bdde06c0f6edbff19fcac79a281f2b382595682·...·]-10">}</span><span·class="p">.</span></code></pre><p>The·printout·consists·of·one·paragraph·per·called·function.·The·function |
| 229 | <em>marked</em>·with·<code·class="inline">%</code>·is·the·one·the·paragraph·concerns·—·<code·class="inline">foo:create_file_slow/2</code>. | 229 | <em>marked</em>·with·<code·class="inline">%</code>·is·the·one·the·paragraph·concerns·—·<code·class="inline">foo:create_file_slow/2</code>. |
| 230 | Above·the·marked·function·are·the·<em>calling</em>·functions·—·those·that·has·called | 230 | Above·the·marked·function·are·the·<em>calling</em>·functions·—·those·that·has·called |
| 231 | the·marked,·and·below·are·those·<em>called</em>·by·the·marked·function.</p><p>The·paragraphs·are·per·default·sorted·in·descending·order·of·the·<code·class="inline">ACC</code>·column·for | 231 | the·marked,·and·below·are·those·<em>called</em>·by·the·marked·function.</p><p>The·paragraphs·are·per·default·sorted·in·descending·order·of·the·<code·class="inline">ACC</code>·column·for |
| 232 | the·marked·function.·The·calling·list·and·called·list·within·one·paragraph·are | 232 | the·marked·function.·The·calling·list·and·called·list·within·one·paragraph·are |
| 233 | also·per·default·sorted·in·descending·order·of·their·<code·class="inline">ACC</code>·column.</p><p>The·columns·are:</p><ul><li><code·class="inline">CNT</code>·-·the·number·of·times·the·function·has·been·called</li><li><code·class="inline">ACC</code>·-·the·time·spent·in·the·function·including·called·functions</li><li><code·class="inline">OWN</code>·-·the·time·spent·in·the·function·not·including·called·functions</li></ul><p>The·rows·for·the·<em>calling</em>·functions·contain·statistics·for·the·<em>marked</em> | 233 | also·per·default·sorted·in·descending·order·of·their·<code·class="inline">ACC</code>·column.</p><p>The·columns·are:</p><ul><li><code·class="inline">CNT</code>·-·the·number·of·times·the·function·has·been·called</li><li><code·class="inline">ACC</code>·-·the·time·spent·in·the·function·including·called·functions</li><li><code·class="inline">OWN</code>·-·the·time·spent·in·the·function·not·including·called·functions</li></ul><p>The·rows·for·the·<em>calling</em>·functions·contain·statistics·for·the·<em>marked</em> |
| 234 | function·with·the·constraint·that·only·the·occasions·when·a·call·was·made·from | 234 | function·with·the·constraint·that·only·the·occasions·when·a·call·was·made·from |
| 235 | the·<em>row's</em>·function·to·the·<em>marked</em>·function·are·accounted·for.</p><p>The·row·for·the·<em>marked</em>·function·simply·contains·the·sum·of·all·<em>calling</em>·rows.</p><p>The·rows·for·the·<em>called</em>·functions·contains·statistics·for·the·<em>row's</em>·function | 235 | the·<em>row's</em>·function·to·the·<em>marked</em>·function·are·accounted·for.</p><p>The·row·for·the·<em>marked</em>·function·simply·contains·the·sum·of·all·<em>calling</em>·rows.</p><p>The·rows·for·the·<em>called</em>·functions·contains·statistics·for·the·<em>row's</em>·function |
| Offset 242, 109 lines modified | Offset 242, 109 lines modified | ||
| 242 | execution.·It·spent·most·of·its·time·in·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#close/1"><code·class="inline">file:close/1</code></a>.·The·function | 242 | execution.·It·spent·most·of·its·time·in·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#close/1"><code·class="inline">file:close/1</code></a>.·The·function |
| 243 | <code·class="inline">foo:create_file_slow/3</code>·that·writes·3/4·of·the·file·contents·is·the·second | 243 | <code·class="inline">foo:create_file_slow/3</code>·that·writes·3/4·of·the·file·contents·is·the·second |
| 244 | biggest·time·thief.</p><p>We·also·see·that·the·call·to·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#write/2"><code·class="inline">file:write/2</code></a>·that·writes·1/4·of·the·file·contents | 244 | biggest·time·thief.</p><p>We·also·see·that·the·call·to·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#write/2"><code·class="inline">file:write/2</code></a>·that·writes·1/4·of·the·file·contents |
| 245 | takes·very·little·time·in·itself.·What·takes·time·is·to·build·the·data | 245 | takes·very·little·time·in·itself.·What·takes·time·is·to·build·the·data |
| 246 | (<a·href="../../../../lib/stdlib-6.2.1/doc/html/lists.html#seq/2"><code·class="inline">lists:seq/2</code></a>·and·<a·href="../../../../lib/stdlib-6.2.1/doc/html/lists.html#map/2"><code·class="inline">lists:map/2</code></a>).</p><p>The·function·<code·class="inline">undefined</code>·that·has·called·<code·class="inline">fprof:apply_start_stop/4</code>·is·an | 246 | (<a·href="../../../../lib/stdlib-6.2.1/doc/html/lists.html#seq/2"><code·class="inline">lists:seq/2</code></a>·and·<a·href="../../../../lib/stdlib-6.2.1/doc/html/lists.html#map/2"><code·class="inline">lists:map/2</code></a>).</p><p>The·function·<code·class="inline">undefined</code>·that·has·called·<code·class="inline">fprof:apply_start_stop/4</code>·is·an |
| 247 | unknown·function·because·that·call·was·not·recorded·in·the·trace.·It·was·only | 247 | unknown·function·because·that·call·was·not·recorded·in·the·trace.·It·was·only |
| 248 | recorded·that·the·execution·returned·from·<code·class="inline">fprof:apply_start_stop/4</code>·to·some | 248 | recorded·that·the·execution·returned·from·<code·class="inline">fprof:apply_start_stop/4</code>·to·some |
| 249 | other·function·above·in·the·call·stack,·or·that·the·process·exited·from·there.</p><p>Let·us·continue·down·the·printout·to·find:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 249 | other·function·above·in·the·call·stack,·or·that·the·process·exited·from·there.</p><p>Let·us·continue·down·the·printout·to·find:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9712068659-1">{</span><span·class="p"·data-group-id="9712068659-2">[</span><span·class="p"·data-group-id="9712068659-3">{</span><span·class="p"·data-group-id="9712068659-4">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_[·...·truncated·by·diffoscope;·len:·405,·SHA:·23822abe5e1d215e3e28489b0d19bed37dee3170a7160fa2174153697f0c9481·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 250 | ··</span><span·class="p"·data-group-id=" | 250 | ··</span><span·class="p"·data-group-id="9712068659-5">{</span><span·class="p"·data-group-id="9712068659-6">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_file_slow</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="9712068659[·...·truncated·by·diffoscope;·len:·352,·SHA:·7a38c11b06cd7e1d4bd648cd40c8208a9c828345b533a8d2c501642d06d8ab74·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 251 | ·</span><span·class="p"·data-group-id=" | 251 | ·</span><span·class="p"·data-group-id="9712068659-7">{</span><span·class="w">·</span><span·class="p"·data-group-id="9712068659-8">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_file_slow</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·323,·SHA:·27b8d7e11c465950b48bdb65f355b9ab6170d20e78b31ae468749aec71f1ea6b·...·]-7">}</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%</span><span·class="w"> |
| 252 | ·</span><span·class="p"·data-group-id=" | 252 | ·</span><span·class="p"·data-group-id="9712068659-9">[</span><span·class="p"·data-group-id="9712068659-10">{</span><span·class="p"·data-group-id="9712068659-11">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="ss">write</span><span·class="p">,</span><span·class="mi">2</s[·...·truncated·by·diffoscope;·len:·355,·SHA:·17f78aab2a5f56ef9cf7697ab5b22b0273cd621fdda11a7bdc920c92117d85e2·...·]-10">}</span><span·class="p">,</span><span·class="w"> |
| 253 | ··</span><span·class="p"·data-group-id=" | 253 | ··</span><span·class="p"·data-group-id="9712068659-12">{</span><span·class="ss">suspend</span><span·class="p">,</span><span·class="w">······························</span><span·class="mi">57</span><span·class="p">,</span><span·class="w">····</span><span·class="mf">6.041</span><span·class="p">,</[·...·truncated·by·diffoscope;·len:·102,·SHA:·dadd8516cc9617dad8444bffa3128946e78cf03e695ad6f86908d25c21eb6d00·...·]-12">}</span><span·class="p">,</span><span·class="w"> |
| 254 | ··</span><span·class="p"·data-group-id=" | 254 | ··</span><span·class="p"·data-group-id="9712068659-13">{</span><span·class="p"·data-group-id="9712068659-14">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_file_slow</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="97120686[·...·truncated·by·diffoscope;·len:·409,·SHA:·3f412b2219ffd5476cb72017a43111dc2aeb2480203579362c16646c616c9212·...·]-1">}</span><span·class="p">.</span></code></pre><p>If·you·compare·with·the·code·you·will·see·there·also·that |
| 255 | <code·class="inline">foo:create_file_slow/3</code>·was·called·only·from·<code·class="inline">foo:create_file_slow/2</code>·and | 255 | <code·class="inline">foo:create_file_slow/3</code>·was·called·only·from·<code·class="inline">foo:create_file_slow/2</code>·and |
| 256 | itself,·and·called·only·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#write/2"><code·class="inline">file:write/2</code></a>,·note·the·number·of·calls·to | 256 | itself,·and·called·only·<a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#write/2"><code·class="inline">file:write/2</code></a>,·note·the·number·of·calls·to |
| 257 | <a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#write/2"><code·class="inline">file:write/2</code></a>.·But·here·we·see·that·<code·class="inline">suspend</code>·was·called·a·few·times.·This·is·a | 257 | <a·href="../../../../lib/kernel-10.2.3/doc/html/file.html#write/2"><code·class="inline">file:write/2</code></a>.·But·here·we·see·that·<code·class="inline">suspend</code>·was·called·a·few·times.·This·is·a |
| 258 | pseudo·function·that·indicates·that·the·process·was·suspended·while·executing·in | 258 | pseudo·function·that·indicates·that·the·process·was·suspended·while·executing·in |
| 259 | <code·class="inline">foo:create_file_slow/3</code>,·and·since·there·is·no·<code·class="inline">receive</code>·or·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#yield/0"><code·class="inline">erlang:yield/0</code></a>·in | 259 | <code·class="inline">foo:create_file_slow/3</code>,·and·since·there·is·no·<code·class="inline">receive</code>·or·<a·href="../../../../erts-15.2.3/doc/html/erlang.html#yield/0"><code·class="inline">erlang:yield/0</code></a>·in |
| 260 | the·code,·it·must·be·Erlang·scheduling·suspensions,·or·the·trace·file·driver | 260 | the·code,·it·must·be·Erlang·scheduling·suspensions,·or·the·trace·file·driver |
| 261 | compensating·for·large·file·write·operations·(these·are·regarded·as·a·schedule | 261 | compensating·for·large·file·write·operations·(these·are·regarded·as·a·schedule |
| 262 | out·followed·by·a·schedule·in·to·the·same·process).</p><p>Let·us·find·the·<code·class="inline">suspend</code>·entry:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2 | 262 | out·followed·by·a·schedule·in·to·the·same·process).</p><p>Let·us·find·the·<code·class="inline">suspend</code>·entry:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8210410964-1">{</span><span·class="p"·data-group-id="8210410964-2">[</span><span·class="p"·data-group-id="8210410964-3">{</span><span·class="p"·data-group-id="8210410964-4">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="ss">write<[·...·truncated·by·diffoscope;·len:·405,·SHA:·fb6a364fffd3d1caa5fe3c70970f2499aa33093170f1b22c288307b30aa24fd8·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 263 | ··</span><span·class="p"·data-group-id="2 | 263 | ··</span><span·class="p"·data-group-id="8210410964-5">{</span><span·class="p"·data-group-id="8210410964-6">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_file_slow</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="8210410964[·...·truncated·by·diffoscope;·len:·299,·SHA:·818ad2687e3fcb3510387f6b4569778dd1d2a906b98fa78c96b1806825187528·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 264 | ··</span><span·class="p"·data-group-id="2 | 264 | ··</span><span·class="p"·data-group-id="8210410964-7">{</span><span·class="p"·data-group-id="8210410964-8">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">drv_command</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="821041096[·...·truncated·by·diffoscope;·len:·299,·SHA:·e91d3fe69a5c2f15f043f63ee5047508e0c652be59694ebf6858d9a6534f2c11·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 265 | ··</span><span·class="p"·data-group-id="2 | 265 | ··</span><span·class="p"·data-group-id="8210410964-9">{</span><span·class="p"·data-group-id="8210410964-10">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">drv_get_response</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="821[·...·truncated·by·diffoscope;·len:·301,·SHA:·ea18686f5015babeb25feb10427e86e4a147e3adb1fa1ebe5e11c72d4f0ae88f·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 266 | ··</span><span·class="p"·data-group-id="2 | 266 | ··</span><span·class="p"·data-group-id="8210410964-11">{</span><span·class="p"·data-group-id="8210410964-12">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">map</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8210410964-12">}</s[·...·truncated·by·diffoscope;·len:·302,·SHA:·f498600a72acce692cc90c4d6c2cc150eed6365c582aebfb739d49a70c85abbb·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 267 | ··</span><span·class="p"·data-group-id="2 | 267 | ··</span><span·class="p"·data-group-id="8210410964-13">{</span><span·class="p"·data-group-id="8210410964-14">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">write</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8210410964-14[·...·truncated·by·diffoscope;·len:·302,·SHA:·af6acde076da864c5cd9f15852b542b5a057d6e1fca5dd33ad009a3fc9f52224·...·]-13">}</span><span·class="p">,</span><span·class="w"> |
| 268 | ··</span><span·class="p"·data-group-id="2 | 268 | ··</span><span·class="p"·data-group-id="8210410964-15">{</span><span·class="p"·data-group-id="8210410964-16">{</span><span·class="ss">erlang</span><span·class="p">,</span><span·class="nb">port_command</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="821041096[·...·truncated·by·diffoscope;·len:·302,·SHA:·83306c00350b8cd8e3f02b8c22bf6b6d9c1237d0097c5c1b528a827f00fa99b9·...·]-15">}</span><span·class="p">,</span><span·class="w"> |
| 269 | ··</span><span·class="p"·data-group-id="2 | 269 | ··</span><span·class="p"·data-group-id="8210410964-17">{</span><span·class="p"·data-group-id="8210410964-18">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">drv_command</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8210410[·...·truncated·by·diffoscope;·len:·302,·SHA:·ba2b93c80cf449b1041cff735e3ffc2ba4e1a42f08168801546d2c0ae2db8720·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 270 | ··</span><span·class="p"·data-group-id="2 | 270 | ··</span><span·class="p"·data-group-id="8210410964-19">{</span><span·class="p"·data-group-id="8210410964-20">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">translate_response</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·302,·SHA:·dbdebe747357e6cf0aec8ea99144b91f76e9cc800626e5f3e63a14bc41385151·...·]-19">}</span><span·class="p">,</span><span·class="w"> |
| 271 | ··</span><span·class="p"·data-group-id="2 | 271 | ··</span><span·class="p"·data-group-id="8210410964-21">{</span><span·class="p"·data-group-id="8210410964-22">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">'-drv_command/2-fun-0-'</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·312,·SHA:·da6e3e03383baea4fbd43f4caa7f4a96e655cb89d0359a343f6c39b19585d8e9·...·]-21">}</span><span·class="p">,</span><span·class="w"> |
| 272 | ··</span><span·class="p"·data-group-id="2 | 272 | ··</span><span·class="p"·data-group-id="8210410964-23">{</span><span·class="p"·data-group-id="8210410964-24">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">seq</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="8210410964-24">}</s[·...·truncated·by·diffoscope;·len:·302,·SHA:·a26289ba35c5e1e4e73a56ec7a10c6d5db81d8804910f302c169b22707e9031d·...·]-23">}</span><span·class="p">,</span><span·class="w"> |
| 273 | ··</span><span·class="p"·data-group-id="2 | 273 | ··</span><span·class="p"·data-group-id="8210410964-25">{</span><span·class="p"·data-group-id="8210410964-26">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">'-create_file_slow/2-fun-0-'</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·dat[·...·truncated·by·diffoscope;·len:·311,·SHA:·d96a27402aa4d792c03569880cc1977400dcbf7fa9be9cc2112f63f816ddb4b5·...·]-25">}</span><span·class="p">,</span><span·class="w"> |
| 274 | ··</span><span·class="p"·data-group-id="2 | 274 | ··</span><span·class="p"·data-group-id="8210410964-27">{</span><span·class="p"·data-group-id="8210410964-28">{</span><span·class="ss">erlang</span><span·class="p">,</span><span·class="nb">bump_reductions</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="821041[·...·truncated·by·diffoscope;·len:·302,·SHA:·f745b665d365e60cf697b793f9066712a34f82d010bbe2aff84f5ff14afa6699·...·]-27">}</span><span·class="p">,</span><span·class="w"> |
| 275 | ··</span><span·class="p"·data-group-id="2 | 275 | ··</span><span·class="p"·data-group-id="8210410964-29">{</span><span·class="p"·data-group-id="8210410964-30">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">open_int_setopts</span><span·class="p">,</span><span·class="mi">3</span><span·class="p"·data-group-id="82[·...·truncated·by·diffoscope;·len:·302,·SHA:·778e7e535d79fb5dcf8bba11af2a8cec7cf5788a0311b3d2725b807d739abcef·...·]-29">}</span><span·class="p">,</span><span·class="w"> |
| 276 | ··</span><span·class="p"·data-group-id="2 | 276 | ··</span><span·class="p"·data-group-id="8210410964-31">{</span><span·class="p"·data-group-id="8210410964-32">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">i32</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="8210410964-32">[·...·truncated·by·diffoscope;·len:·302,·SHA:·1cede61c690c2e4f00a0bd46ff4e1fdef37bd585edd5599c8f764f3b9b311565·...·]-31">}</span><span·class="p">,</span><span·class="w"> |
| 277 | ··</span><span·class="p"·data-group-id="2 | 277 | ··</span><span·class="p"·data-group-id="8210410964-33">{</span><span·class="p"·data-group-id="8210410964-34">{</span><span·class="ss">fprof</span><span·class="p">,</span><span·class="ss">apply_start_stop</span><span·class="p">,</span><span·class="mi">4</span><span·class="p"·data-group-id="821041[·...·truncated·by·diffoscope;·len:·356,·SHA:·ec6da46efa53c23d58d70eb0650651d3f04c05dba3c4c915100b91ec51a88082·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 278 | ·</span><span·class="p"·data-group-id="2 | 278 | ·</span><span·class="p"·data-group-id="8210410964-35">{</span><span·class="w">·</span><span·class="ss">suspend</span><span·class="p">,</span><span·class="w">·····························</span><span·class="mi">299</span><span·class="p">,</span><span·class="w">···</span><span·class="mf">32.002</[·...·truncated·by·diffoscope;·len:·126,·SHA:·8623367202779eddc8ebfa1a51a5c82c11b8619a992fb73c6311e6953da045e1·...·]-35">}</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%</span><span·class="w"> |
| 279 | ·</span><span·class="p"·data-group-id="2 | 279 | ·</span><span·class="p"·data-group-id="8210410964-36">[</span><span·class="w">·</span><span·class="p"·data-group-id="8210410964-36">]</span><span·class="p"·data-group-id="8210410964-1">}</span><span·class="p">.</span></code></pre><p>We·find·no·particularly·long·suspend·times,·so·no·function·seems·to·have·waited |
| 280 | in·a·receive·statement.·Actually,·<code·class="inline">prim_file:drv_command/4</code>·contains·a·receive | 280 | in·a·receive·statement.·Actually,·<code·class="inline">prim_file:drv_command/4</code>·contains·a·receive |
| 281 | statement,·but·in·this·test·program,·the·message·lies·in·the·process·receive | 281 | statement,·but·in·this·test·program,·the·message·lies·in·the·process·receive |
| 282 | buffer·when·the·receive·statement·is·entered.·We·also·see·that·the·total·suspend | 282 | buffer·when·the·receive·statement·is·entered.·We·also·see·that·the·total·suspend |
| 283 | time·for·the·test·run·is·small.</p><p>The·<code·class="inline">suspend</code>·pseudo·function·has·an·<code·class="inline">OWN</code>·time·of·zero.·This·is·to·prevent | 283 | time·for·the·test·run·is·small.</p><p>The·<code·class="inline">suspend</code>·pseudo·function·has·an·<code·class="inline">OWN</code>·time·of·zero.·This·is·to·prevent |
| 284 | the·process·total·<code·class="inline">OWN</code>·time·from·including·time·in·suspension.·Whether·suspend | 284 | the·process·total·<code·class="inline">OWN</code>·time·from·including·time·in·suspension.·Whether·suspend |
| 285 | time·is·really·<code·class="inline">ACC</code>·or·<code·class="inline">OWN</code>·time·is·more·of·a·philosophical·question.</p><p>Now·we·look·at·another·interesting·pseudo·function,·<code·class="inline">garbage_collect</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 285 | time·is·really·<code·class="inline">ACC</code>·or·<code·class="inline">OWN</code>·time·is·more·of·a·philosophical·question.</p><p>Now·we·look·at·another·interesting·pseudo·function,·<code·class="inline">garbage_collect</code>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8272238607-1">{</span><span·class="p"·data-group-id="8272238607-2">[</span><span·class="p"·data-group-id="8272238607-3">{</span><span·class="p"·data-group-id="8272238607-4">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">d[·...·truncated·by·diffoscope;·len:·405,·SHA:·4e9b54d7bb39e7f03840771853b3e6a9a2dd6c3287bf794634df007e34e51b0b·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 286 | ··</span><span·class="p"·data-group-id=" | 286 | ··</span><span·class="p"·data-group-id="8272238607-5">{</span><span·class="p"·data-group-id="8272238607-6">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">write</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8272238607-6">}[·...·truncated·by·diffoscope;·len:·299,·SHA:·57ba5743bef17b2ce8bfe2b630a4206db50e7293202d8cda92e99729e245950f·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 287 | ··</span><span·class="p"·data-group-id=" | 287 | ··</span><span·class="p"·data-group-id="8272238607-7">{</span><span·class="p"·data-group-id="8272238607-8">{</span><span·class="ss">lists</span><span·class="p">,</span><span·class="ss">map</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="8272238607-8">}</span[·...·truncated·by·diffoscope;·len:·352,·SHA:·48bbacb7cdea1cf7eb713aac6169acbde852f0344c57916a2e2093a22bc0d6e1·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 288 | ·</span><span·class="p"·data-group-id=" | 288 | ·</span><span·class="p"·data-group-id="8272238607-9">{</span><span·class="w">·</span><span·class="nb">garbage_collect</span><span·class="p">,</span><span·class="w">······················</span><span·class="mi">43</span><span·class="p">,</span><span·class="w">····</span><span·class="mf">1.760</s[·...·truncated·by·diffoscope;·len:·125,·SHA:·01da06287b4188f12e3acff6fae9e8ab1ce3841fd3a268ee9b7b8ab660490c83·...·]-9">}</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%</span><span·class="w"> |
| 289 | ·</span><span·class="p"·data-group-id=" | 289 | ·</span><span·class="p"·data-group-id="8272238607-10">[</span><span·class="w">·</span><span·class="p"·data-group-id="8272238607-10">]</span><span·class="p"·data-group-id="8272238607-1">}</span><span·class="p">.</span></code></pre><p>Here·we·see·that·no·function·stands·out,·which·is·very·normal.</p><p>The·<code·class="inline">garbage_collect</code>·pseudo·function·has·not·an·<code·class="inline">OWN</code>·time·of·zero·like |
| 290 | <code·class="inline">suspend</code>,·instead·it·is·equal·to·the·<code·class="inline">ACC</code>·time.</p><p>Garbage·collection·often·occurs·while·a·process·is·suspended,·but·<code·class="inline">fprof</code>·hides | 290 | <code·class="inline">suspend</code>,·instead·it·is·equal·to·the·<code·class="inline">ACC</code>·time.</p><p>Garbage·collection·often·occurs·while·a·process·is·suspended,·but·<code·class="inline">fprof</code>·hides |
| 291 | this·fact·by·pretending·that·the·suspended·function·was·first·unsuspended·and | 291 | this·fact·by·pretending·that·the·suspended·function·was·first·unsuspended·and |
| 292 | then·garbage·collected.·Otherwise·the·printout·would·show·<code·class="inline">garbage_collect</code> | 292 | then·garbage·collected.·Otherwise·the·printout·would·show·<code·class="inline">garbage_collect</code> |
| 293 | being·called·from·<code·class="inline">suspend</code>,·but·not·which·function·that·might·have·caused·the | 293 | being·called·from·<code·class="inline">suspend</code>,·but·not·which·function·that·might·have·caused·the |
| 294 | garbage·collection.</p><p>Let·us·now·get·back·to·the·test·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 294 | garbage·collection.</p><p>Let·us·now·get·back·to·the·test·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4437148376-1">{</span><span·class="p"·data-group-id="4437148376-2">[</span><span·class="p"·data-group-id="4437148376-3">{</span><span·class="p"·data-group-id="4437148376-4">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_[·...·truncated·by·diffoscope;·len:·404,·SHA:·b784e8010801b66618ab6a7e86aa28a011e9a05a2ebddaac30b7bf921efc3c26·...·]6-3">}</span><span·class="p">,</span><span·class="w"> |
| 295 | ··</span><span·class="p"·data-group-id=" | 295 | ··</span><span·class="p"·data-group-id="4437148376-5">{</span><span·class="p"·data-group-id="4437148376-6">{</span><span·class="ss">foo</span><span·class="p">,</span><span·class="ss">create_file_slow</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="4437148376[·...·truncated·by·diffoscope;·len:·351,·SHA:·755f01aeb4c626da5d71ba7d67a6f0f6305c14012b844f10f0afa97b60e348d8·...·]6-2">]</span><span·class="p">,</span><span·class="w"> |
| 296 | ·</span><span·class="p"·data-group-id=" | 296 | ·</span><span·class="p"·data-group-id="4437148376-7">{</span><span·class="w">·</span><span·class="p"·data-group-id="4437148376-8">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="ss">write</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·322,·SHA:·dc25005b8f434d46b657319a1a65ecc2b1eabaa1204c990cb39b9d990d0c8a6f·...·]6-7">}</span><span·class="p">,</span><span·class="w">·····</span><span·class="c1">%</span><span·class="w"> |
| 297 | ·</span><span·class="p"·data-group-id=" | 297 | ·</span><span·class="p"·data-group-id="4437148376-9">[</span><span·class="p"·data-group-id="4437148376-10">{</span><span·class="p"·data-group-id="4437148376-11">{</span><span·class="ss">prim_file</span><span·class="p">,</span><span·class="ss">write</span><span·class="p">,</span><span·class="mi"[·...·truncated·by·diffoscope;·len:·354,·SHA:·f07fe37fc8fc9e3e5a8f1bbf612b218532a7a593d6d7ff8769dcf3e27a9ed239·...·]6-10">}</span><span·class="p">,</span><span·class="w"> |
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| 172 | ··<a·href="#immediate-profiling"·class="hover-link"> | 172 | ··<a·href="#immediate-profiling"·class="hover-link"> |
| 173 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 173 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 174 | ··</a> | 174 | ··</a> |
| 175 | ··<span·class="text">Immediate·profiling</span> | 175 | ··<span·class="text">Immediate·profiling</span> |
| 176 | </h2> | 176 | </h2> |
| 177 | <p>It·is·also·possible·to·trace·immediately·into·the·profiling·process·that·creates | 177 | <p>It·is·also·possible·to·trace·immediately·into·the·profiling·process·that·creates |
| 178 | the·raw·profile·data,·that·is·to·short·circuit·the·tracing·and·profiling·steps | 178 | the·raw·profile·data,·that·is·to·short·circuit·the·tracing·and·profiling·steps |
| 179 | so·that·the·filesystem·is·not·used·for·tracing.</p><p>Do·something·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 179 | so·that·the·filesystem·is·not·used·for·tracing.</p><p>Do·something·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4921532912-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tracer</span><span·class="p"·data-group-id="4921532912-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·[·...·truncated·by·diffoscope;·len:·201,·SHA:·917af68a2bf0f8fae66a8789ef9be72bfdedeea8019e56278d118176f8d0f59a·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 180 | </span><span·class="nc">fprof</span><span·class="p">:</span><span·class="nf">trace</span><span·class="p"·data-group-id=" | 180 | </span><span·class="nc">fprof</span><span·class="p">:</span><span·class="nf">trace</span><span·class="p"·data-group-id="4921532912-3">(</span><span·class="p"·data-group-id="4921532912-4">[</span><span·class="ss">start</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4921532912-5">{</span><span·class="ss">tracer</span><span·class="p">,</sp[·...·truncated·by·diffoscope;·len:·203,·SHA:·250c07293221b97aa95b7e5d0ceefb04af9e1b11b6f5d375edcc335a0d947781·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 181 | </span><span·class="c1">%%·Run·code·to·profile</span><span·class="w"> | 181 | </span><span·class="c1">%%·Run·code·to·profile</span><span·class="w"> |
| 182 | </span><span·class="nc">fprof</span><span·class="p">:</span><span·class="nf">trace</span><span·class="p"·data-group-id=" | 182 | </span><span·class="nc">fprof</span><span·class="p">:</span><span·class="nf">trace</span><span·class="p"·data-group-id="4921532912-6">(</span><span·class="ss">stop</span><span·class="p"·data-group-id="4921532912-6">)</span><span·class="p">;</span></code></pre><p>This·puts·less·load·on·the·filesystem,·but·much·more·load·on·the·Erlang·runtime |
| 183 | system.</p> | 183 | system.</p> |
| 184 | </div> | 184 | </div> |
| 185 | <div·class="bottom-actions"·id="bottom-actions"> | 185 | <div·class="bottom-actions"·id="bottom-actions"> |
| 186 | ··<div·class="bottom-actions-item"> | 186 | ··<div·class="bottom-actions-item"> |
| 187 | ······<a·href="erlang_mode_chapter.html"·class="bottom-actions-button"·rel="prev"> | 187 | ······<a·href="erlang_mode_chapter.html"·class="bottom-actions-button"·rel="prev"> |
| Offset 227, 15 lines modified | Offset 227, 15 lines modified | ||
| 227 | ······<p·class="built-using"> | 227 | ······<p·class="built-using"> |
| 228 | ········Built·using | 228 | ········Built·using |
| 229 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 229 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 230 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 230 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 231 | ······</p> | 231 | ······</p> |
| 232 | <p>Copyright·©·1996-202 | 232 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 233 | ····</footer> | 233 | ····</footer> |
| 234 | ··</div> | 234 | ··</div> |
| 235 | </main> | 235 | </main> |
| 236 | </div> | 236 | </div> |
| 237 | <script> | 237 | <script> |
| 238 | ··function·mermaidLoaded()·{ | 238 | ··function·mermaidLoaded()·{ |
| 239 | ····mermaid.initialize({ | 239 | ····mermaid.initialize({ |
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| 1777 | ······<p·class="built-using"> | 1777 | ······<p·class="built-using"> |
| 1778 | ········Built·using | 1778 | ········Built·using |
| 1779 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1779 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1780 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1780 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1781 | ······</p> | 1781 | ······</p> |
| 1782 | <p>Copyright·©·1996-202 | 1782 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1783 | ····</footer> | 1783 | ····</footer> |
| 1784 | ··</div> | 1784 | ··</div> |
| 1785 | </main> | 1785 | </main> |
| 1786 | </div> | 1786 | </div> |
| 1787 | <script> | 1787 | <script> |
| 1788 | ··function·mermaidLoaded()·{ | 1788 | ··function·mermaidLoaded()·{ |
| 1789 | ····mermaid.initialize({ | 1789 | ····mermaid.initialize({ |
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| 229 | ··<nonode@nohost.104.0>····5140··········0.7782········108 | 229 | ··<nonode@nohost.104.0>····5140··········0.7782········108 |
| 230 | ok</code></pre><h2·id="example-with-mnesia-transaction-benchmark"·class="section-heading"> | 230 | ok</code></pre><h2·id="example-with-mnesia-transaction-benchmark"·class="section-heading"> |
| 231 | ··<a·href="#example-with-mnesia-transaction-benchmark"·class="hover-link"> | 231 | ··<a·href="#example-with-mnesia-transaction-benchmark"·class="hover-link"> |
| 232 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 232 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 233 | ··</a> | 233 | ··</a> |
| 234 | ··<span·class="text">Example·with·Mnesia·Transaction·Benchmark</span> | 234 | ··<span·class="text">Example·with·Mnesia·Transaction·Benchmark</span> |
| 235 | </h2> | 235 | </h2> |
| 236 | <p>From·the·Erlang·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id=" | 236 | <p>From·the·Erlang·shell:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Erlang</span><span·class="o">/</span><span·class="n">OTP</span><span·class="w">·</span><span·class="mi">27</span><span·class="w">·</span><span·class="p"·data-group-id="6086371363-1">[</span><span·class="ss">erts</span><span·class="o">-</span><span·class="mf">15.0</span><span·class="p"·data-group-id="6086371363-1">]</span><span·class="w">·</span><span·class="p"·data-group-id="6086371363-2">[</span><span·class="mi">64</spa[·...·truncated·by·diffoscope;·len:·1287,·SHA:·0b966608dc3f3902603aa133329dfd5e960acf13046c5c5bda74116eff9003ad·...·]-7">]</span><span·class="w"> |
| 237 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mi">0</span><span·class="w">·</span><span·class="p"·data-group-id=" | 237 | </span><span·class="n">Eshell</span><span·class="w">·</span><span·class="n">V15</span><span·class="p">.</span><span·class="mi">0</span><span·class="w">·</span><span·class="p"·data-group-id="6086371363-8">(</span><span·class="ss">press</span><span·class="w">·</span><span·class="n">Ctrl</span><span·class="o">+</span><span·class="n">G</span><span·class="w">·</span><span·class="ss">to</span><span·class="w">·</span><span·class="ss">abort</span><sp[·...·truncated·by·diffoscope;·len:·399,·SHA:·40367ab9d2b1aac8a2870b95b8fc1617ece9a6467f1410b932d26f5ce6aed6dd·...·]-8">)</span><span·class="gp·unselectable"> |
| 238 | 1>·</span><span·class="n">Conf</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 238 | 1>·</span><span·class="n">Conf</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="6086371363-10">[</span><span·class="p"·data-group-id="6086371363-11">{</span><span·class="ss">db_nodes</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6086371363-12">[</span><span·class="nf">node</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·1155,·SHA:·ef4f58b8187727ee757e7573150b2844a8ccf0ae087ae151090bde5492954ad0·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 239 | ····</span><span·class="p"·data-group-id=" | 239 | ····</span><span·class="p"·data-group-id="6086371363-20">{</span><span·class="ss">n_drivers_per_node</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">10</span><span·class="p"·data-group-id="6086371363-20">}</span><span·class="p">,</span><span·class="w">·</span><span·class="p"[·...·truncated·by·diffoscope;·len:·465,·SHA:·f4f442ee3cd91fbb794278c6ff81acb4ed02e78b71ff44502e51f918e4ed8a44·...·]-22">}</span><span·class="p">,</span><span·class="w"> |
| 240 | ····</span><span·class="p"·data-group-id=" | 240 | ····</span><span·class="p"·data-group-id="6086371363-23">{</span><span·class="ss">replica_type</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ram_copies</span><span·class="p"·data-group-id="6086371363-23">}</span><span·class="p">,</span><span·class="w">·</span><span·class="[·...·truncated·by·diffoscope;·len:·519,·SHA:·12b5eb87aa836de248733100238e4f9d0cf7d4b38dab19a9643dfcdea5104bcc·...·]-10">]</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w"> |
| 241 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 241 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 242 | 2>·</span><span·class="nc">mnesia_tpcb</span><span·class="p">:</span><span·class="nf">init</span><span·class="p"·data-group-id=" | 242 | 2>·</span><span·class="nc">mnesia_tpcb</span><span·class="p">:</span><span·class="nf">init</span><span·class="p"·data-group-id="6086371363-26">(</span><span·class="p"·data-group-id="6086371363-27">[</span><span·class="p"·data-group-id="6086371363-28">{</span><span·class="ss">use_running_mnesia</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">false</span><span·[·...·truncated·by·diffoscope;·len:·194,·SHA:·7a15d00084490fd794a866b54f5007d1f6a68d672762b3cd28c33d22059780f9·...·]-26">)</span><span·class="p">.</span><span·class="w"> |
| 243 | ····</span><span·class="p">.</span><span·class="w"> | 243 | ····</span><span·class="p">.</span><span·class="w"> |
| 244 | ····</span><span·class="p">.</span><span·class="w"> | 244 | ····</span><span·class="p">.</span><span·class="w"> |
| 245 | ····</span><span·class="p">.</span><span·class="w"> | 245 | ····</span><span·class="p">.</span><span·class="w"> |
| 246 | </span><span·class="ss">ignore</span></code></pre><p>Initial·configuring·of·the·benchmark·is·done.·It·is·time·to·profile·the·actual | 246 | </span><span·class="ss">ignore</span></code></pre><p>Initial·configuring·of·the·benchmark·is·done.·It·is·time·to·profile·the·actual |
| 247 | Mnesia·benchmark:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">lcnt</span><span·class="p">:</span><span·class="nf">apply</span><span·class="p"·data-group-id=" | 247 | Mnesia·benchmark:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="nc">lcnt</span><span·class="p">:</span><span·class="nf">apply</span><span·class="p"·data-group-id="5312144376-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="5312144376-2">(</span><span·class="p"·data-group-id="5312144376-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·836,·SHA:·6a7b5f7907553bd8f382b805896980787dfe3d4a6c5f3db07bd5d844e994b393·...·]-7">{</span><span·class="ss">use_running_mnesia</span><span·class="p">,</span><span·class="w"> |
| 248 | ····</span><span·class="ss">true</span><span·class="p"·data-group-id=" | 248 | ····</span><span·class="ss">true</span><span·class="p"·data-group-id="5312144376-7">}</span><span·class="p">|</span><span·class="n">Conf</span><span·class="p"·data-group-id="5312144376-6">]</span><span·class="p"·data-group-id="5312144376-5">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tps</span><sp[·...·truncated·by·diffoscope;·len:·138,·SHA:·5f536c2bbc57b9ddfb07279cb1a649a40565122530528d800f0d3f2908569965·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 249 | ······</span><span·class="p">.</span><span·class="w"> | 249 | ······</span><span·class="p">.</span><span·class="w"> |
| 250 | ······</span><span·class="p">.</span><span·class="w"> | 250 | ······</span><span·class="p">.</span><span·class="w"> |
| 251 | ······</span><span·class="p">.</span><span·class="w"> | 251 | ······</span><span·class="p">.</span><span·class="w"> |
| 252 | </span><span·class="mf">50204.666666666664</span></code></pre><p>The·benchmark·runs·for·60·seconds·(followed·by·verification·and | 252 | </span><span·class="mf">50204.666666666664</span></code></pre><p>The·benchmark·runs·for·60·seconds·(followed·by·verification·and |
| 253 | analysis),·and·then·returns·the·number·of·transactions·per·seconds.</p><pre><code·class="text">4>·lcnt:swap_pid_keys(). | 253 | analysis),·and·then·returns·the·number·of·transactions·per·seconds.</p><pre><code·class="text">4>·lcnt:swap_pid_keys(). |
| 254 | ok | 254 | ok |
| 255 | 5>·lcnt:conflicts(). | 255 | 5>·lcnt:conflicts(). |
| Offset 346, 71 lines modified | Offset 346, 71 lines modified | ||
| 346 | problematic·if·they·begin·to·have·conflicts·even·if·it·is·not·shown·in·a | 346 | problematic·if·they·begin·to·have·conflicts·even·if·it·is·not·shown·in·a |
| 347 | particular·test.</p><h2·id="the-big-bang-benchmark"·class="section-heading"> | 347 | particular·test.</p><h2·id="the-big-bang-benchmark"·class="section-heading"> |
| 348 | ··<a·href="#the-big-bang-benchmark"·class="hover-link"> | 348 | ··<a·href="#the-big-bang-benchmark"·class="hover-link"> |
| 349 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 349 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 350 | ··</a> | 350 | ··</a> |
| 351 | ··<span·class="text">The·Big·Bang·Benchmark</span> | 351 | ··<span·class="text">The·Big·Bang·Benchmark</span> |
| 352 | </h2> | 352 | </h2> |
| 353 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 353 | <pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="7231162856-1">(</span><span·class="ss">big</span><span·class="p"·data-group-id="7231162856-1">)</span><span·class="p">.</span><span·class="w"> |
| 354 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 354 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="7231162856-2">(</span><span·class="p"·data-group-id="7231162856-3">[</span><span·class="ss">bang</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="7231162856-3">]</span><span·class="p"·data-group-id="7231162856-2">)</span><span·class="p">.</span><span·class="w"> |
| 355 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id=" | 355 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-4">(</span><span·class="p"·data-group-id="7231162856-5">[</span><span·class="p"·data-group-id="7231162856-5">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-6">[</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·143,·SHA:·f136056fea645659fe7615444beef646bd25a79051d85f463cd2e40baa988aaa·...·]-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 356 | ····</span><span·class="k">receive</span><span·class="w"> | 356 | ····</span><span·class="k">receive</span><span·class="w"> |
| 357 | » </span><span·class="p"·data-group-id=" | 357 | » </span><span·class="p"·data-group-id="7231162856-7">{</span><span·class="ss">procs</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Procs</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ReportTo</span><span·class="p"·data-group-id="7231162856-7">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 358 | » ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id=" | 358 | » ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-8">(</span><span·class="n">Procs</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-9">[</span><span·class="p"·data-group-id="7231162856-9">]</span><span·class="p">,</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·68,·SHA:·fab863b2c1a3bf6362431f0959f96046d722135db9f7abae17259eb55973839f·...·]-8">)</span><span·class="w"> |
| 359 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 359 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 360 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id=" | 360 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-10">(</span><span·class="p"·data-group-id="7231162856-11">[</span><span·class="p"·data-group-id="7231162856-11">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-12">[</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·149,·SHA:·5d0001e41f224426f32902026f23d73e13c5582e7a7fccf0b54c025bae8bd8c3·...·]-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 361 | ····</span><span·class="k">receive</span><span·class="w">·</span><span·class="p"·data-group-id=" | 361 | ····</span><span·class="k">receive</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-13">{</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span><span·class="n">From</span><span·class="p"·data-group-id="7231162856-13">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·406,·SHA:·3154cf4decc5e99fb78766e61de2e056b90a54c7a74c31449de7600b05b359d1·...·]-14">}</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 362 | ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id=" | 362 | ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-16">(</span><span·class="p"·data-group-id="7231162856-17">[</span><span·class="p"·data-group-id="7231162856-17">]</span><span·class="p">,</span><span·class="p"·data-group-id="7231162856-18">[</span><span·class="p"·data-group-id="7231162856-18">][·...·truncated·by·diffoscope;·len:·101,·SHA:·9c0612803d407c61e6ece7b313f5bba4628887d6aa357e41bb5efb55164b3737·...·]-16">)</span><span·class="p">;</span><span·class="w"> |
| 363 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id=" | 363 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-19">(</span><span·class="p"·data-group-id="7231162856-20">[</span><span·class="p"·data-group-id="7231162856-20">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-21">[</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·151,·SHA:·7fdcb52f710fd93c3d2d0609c8fb01543c7467efc77d88643b4c435eaee3eb5b·...·]-19">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 364 | ····</span><span·class="n">ReportTo</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 364 | ····</span><span·class="n">ReportTo</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-22">{</span><span·class="ss">done</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="7231162856-23">(</span><span·class="p"·data-group-id="7231162856-23">)</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·aa527be0b1fca60e57ec0fabd8d7c09a60ce4e191ff71cd314f0cf0483373e24·...·]-22">}</span><span·class="p">,</span><span·class="w"> |
| 365 | ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id=" | 365 | ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-24">(</span><span·class="p"·data-group-id="7231162856-25">[</span><span·class="p"·data-group-id="7231162856-25">]</span><span·class="p">,</span><span·class="p"·data-group-id="7231162856-26">[</span><span·class="p"·data-group-id="7231162856-26">][·...·truncated·by·diffoscope;·len:·101,·SHA:·9c0612803d407c61e6ece7b313f5bba4628887d6aa357e41bb5efb55164b3737·...·]-24">)</span><span·class="p">;</span><span·class="w"> |
| 366 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id=" | 366 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-27">(</span><span·class="p"·data-group-id="7231162856-28">[</span><span·class="p"·data-group-id="7231162856-28">]</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-29">[</span><span·class="n">Po</spa[·...·truncated·by·diffoscope;·len:·328,·SHA:·3d96f8fff8feaa0a19099137f27269bf06e706f25eb7316d7da6444c3dca8202·...·]-27">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 367 | ····</span><span·class="k">receive</span><span·class="w"> | 367 | ····</span><span·class="k">receive</span><span·class="w"> |
| 368 | » </span><span·class="p"·data-group-id=" | 368 | » </span><span·class="p"·data-group-id="7231162856-30">{</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span><span·class="n">From</span><span·class="p"·data-group-id="7231162856-30">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 369 | » ····</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 369 | » ····</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-31">{</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="7231162856-32">(</span><span·class="p"·data-group-id="7231162856-32">)</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·aa527be0b1fca60e57ec0fabd8d7c09a60ce4e191ff71cd314f0cf0483373e24·...·]-31">}</span><span·class="p">,</span><span·class="w"> |
| 370 | » ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id="9976797560-33">(</span><span·class="p"·data-group-id="9976797560-34">[</span><span·class="p"·data-group-id="9976797560-34">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pongers</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ReportTo</span><span·class="p"·data-group-id="9976797560-33">)</span><span·class="p">;</span><span·class="w"> | ||
| 371 | » </span><span·class= | 370 | » ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-33">(</span><span·class="p"·data-group-id="7231162856-34">[</span><span·class="p"·data-group-id="7231162856-34">]</span><span·class="p">,</span><span·class="w">·</span><span[·...·truncated·by·diffoscope;·len:·174,·SHA:·f09f5aa9bab1fb8e1d115055f7ec21b671dd29053c1cefffc80d6e9d0df28425·...·];</span><span·class="w"> |
| 371 | » </span><span·class="p"·data-group-id="7231162856-35">{</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Po</span><span·class="p"·data-group-id="7231162856-35">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 372 | » ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id=" | 372 | » ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-36">(</span><span·class="p"·data-group-id="7231162856-37">[</span><span·class="p"·data-group-id="7231162856-37">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pos</span><span·class="p">,</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·69,·SHA:·dbf418e74e824a9580c97b754726370d603638834bb9208b5eb640a6bec80793·...·]-36">)</span><span·class="w"> |
| 373 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> | 373 | ····</span><span·class="k">end</span><span·class="p">;</span><span·class="w"> |
| 374 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id="9976797560-38">(</span><span·class="p"·data-group-id="9976797560-39">[</span><span·class="n">Pi</span><span·class="p">|</span><span·class="n">Pis</span><span·class="p"·data-group-id="9976797560-39">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Pongers</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ReportTo</span><span·class="p"·data-group-id="9976797560-38">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | ||
| 375 | 374 | </span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-38">(</span><span·class="p"·data-group-id="7231162856-39">[</span><span·class="n">Pi</span><span·class="p">|</span><span·class="n">Pis</span><span·class="p"·data-group-id="72311[·...·truncated·by·diffoscope;·len:·274,·SHA:·9953e35d4bc5a8c5fb5da950b53cc17a2076a056f1bde63c4e2e4b876fe9f9b5·...·]</span><span·class="w"> | |
| 375 | ····</span><span·class="k">receive</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-40">{</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span><span·class="n">From</span><span·class="p"·data-group-id="7231162856-40">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">From</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-41">{</span><span·class="ss">pong</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="7231162856-42">(</span><span·class="p"·data-group-id="7231162856-42">)</span><span·class="p"·data-group-id="7231162856-41">}</span><span·class="w"> | ||
| 376 | ····</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w"> | 376 | ····</span><span·class="k">after</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="w"> |
| 377 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 377 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 378 | ····</span><span·class="n">Pi</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id=" | 378 | ····</span><span·class="n">Pi</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-43">{</span><span·class="ss">ping</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">self</span><span·class="p"·data-group-id="7231162856-44">(</span><span·class="p"·data-group-id="7231162856-44">)</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·aa527be0b1fca60e57ec0fabd8d7c09a60ce4e191ff71cd314f0cf0483373e24·...·]-43">}</span><span·class="p">,</span><span·class="w"> |
| 379 | ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id=" | 379 | ····</span><span·class="nf">pinger</span><span·class="p"·data-group-id="7231162856-45">(</span><span·class="n">Pis</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-46">[</span><span·class="n">Pi</span><span·class="p">|</span><span·class="n">Pongers</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·148,·SHA:·43a01f8063ca5ac53a9e434d69757f642a87ebb638a93c9754a7ac2b248aa694·...·]-45">)</span><span·class="p">.</span><span·class="w"> |
| 380 | </span><span·class="nf">spawn_procs</span><span·class="p"·data-group-id=" | 380 | </span><span·class="nf">spawn_procs</span><span·class="p"·data-group-id="7231162856-47">(</span><span·class="n">N</span><span·class="p"·data-group-id="7231162856-47">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="n">N</span><span·class="w">·</span><span·class="o">=<</span><span·class="w">·</span><span·class="mi">0</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 381 | ····</span><span·class="p"·data-group-id=" | 381 | ····</span><span·class="p"·data-group-id="7231162856-48">[</span><span·class="p"·data-group-id="7231162856-48">]</span><span·class="p">;</span><span·class="w"> |
| 382 | </span><span·class="nf">spawn_procs</span><span·class="p"·data-group-id=" | 382 | </span><span·class="nf">spawn_procs</span><span·class="p"·data-group-id="7231162856-49">(</span><span·class="n">N</span><span·class="p"·data-group-id="7231162856-49">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 383 | ····</span><span·class="p"·data-group-id=" | 383 | ····</span><span·class="p"·data-group-id="7231162856-50">[</span><span·class="nf">spawn_link</span><span·class="p"·data-group-id="7231162856-51">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-52">(</span><span·class="p"·data-group-id="723116285[·...·truncated·by·diffoscope;·len:·953,·SHA:·a3a776d9596ae1c995c7cb7b70d1c070f2c905181653c758f42a7bf8b6872dca·...·]-50">]</span><span·class="p">.</span><span·class="w"> |
| 384 | </span><span·class="nf">send_procs</span><span·class="p"·data-group-id=" | 384 | </span><span·class="nf">send_procs</span><span·class="p"·data-group-id="7231162856-57">(</span><span·class="p"·data-group-id="7231162856-58">[</span><span·class="p"·data-group-id="7231162856-58">]</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="7231162856-57">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 385 | ····</span><span·class="n">Msg</span><span·class="p">;</span><span·class="w"> | 385 | ····</span><span·class="n">Msg</span><span·class="p">;</span><span·class="w"> |
| 386 | </span><span·class="nf">send_procs</span><span·class="p"·data-group-id=" | 386 | </span><span·class="nf">send_procs</span><span·class="p"·data-group-id="7231162856-59">(</span><span·class="p"·data-group-id="7231162856-60">[</span><span·class="n">P</span><span·class="p">|</span><span·class="n">Ps</span><span·class="p"·data-group-id="7231162856-60">]</span><span·class="p">,</span><span·class="w">·</span><spa[·...·truncated·by·diffoscope;·len:·63,·SHA:·16149d192d36d812d6368082f5e914962f3be6c205221caffddb2547844c4c07·...·]-59">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 387 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w"> | 387 | ····</span><span·class="n">P</span><span·class="w">·</span><span·class="o">!</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p">,</span><span·class="w"> |
| 388 | ····</span><span·class="nf">send_procs</span><span·class="p"·data-group-id=" | 388 | ····</span><span·class="nf">send_procs</span><span·class="p"·data-group-id="7231162856-61">(</span><span·class="n">Ps</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="7231162856-61">)</span><span·class="p">.</span><span·class="w"> |
| 389 | </span><span·class="nf">receive_msgs</span><span·class="p"·data-group-id=" | 389 | </span><span·class="nf">receive_msgs</span><span·class="p"·data-group-id="7231162856-62">(</span><span·class="p"·data-group-id="7231162856-63">[</span><span·class="p"·data-group-id="7231162856-63">]</span><span·class="p"·data-group-id="7231162856-62">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 390 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> | 390 | ····</span><span·class="ss">ok</span><span·class="p">;</span><span·class="w"> |
| 391 | </span><span·class="nf">receive_msgs</span><span·class="p"·data-group-id=" | 391 | </span><span·class="nf">receive_msgs</span><span·class="p"·data-group-id="7231162856-64">(</span><span·class="p"·data-group-id="7231162856-65">[</span><span·class="n">M</span><span·class="p">|</span><span·class="n">Ms</span><span·class="p"·data-group-id="7231162856-65">]</span><span·class="p"·data-group-id="7231162856-64">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 392 | ····</span><span·class="k">receive</span><span·class="w"> | 392 | ····</span><span·class="k">receive</span><span·class="w"> |
| 393 | » </span><span·class="n">M</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 393 | » </span><span·class="n">M</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 394 | » ····</span><span·class="nf">receive_msgs</span><span·class="p"·data-group-id=" | 394 | » ····</span><span·class="nf">receive_msgs</span><span·class="p"·data-group-id="7231162856-66">(</span><span·class="n">Ms</span><span·class="p"·data-group-id="7231162856-66">)</span><span·class="w"> |
| 395 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> | 395 | ····</span><span·class="k">end</span><span·class="p">.</span><span·class="w"> |
| 396 | </span><span·class="nf">bang</span><span·class="p"·data-group-id=" | 396 | </span><span·class="nf">bang</span><span·class="p"·data-group-id="7231162856-67">(</span><span·class="n">N</span><span·class="p"·data-group-id="7231162856-67">)</span><span·class="w">·</span><span·class="k">when</span><span·class="w">·</span><span·class="nf">integer</span><span·class="p"·data-group-id="7231162856-68">(</[·...·truncated·by·diffoscope;·len:·70,·SHA:·218bd1c84735e7968506918513e45225d82b8f1f2d8f28e7f7367d2626955290·...·]-68">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 397 | ····</span><span·class="n">Procs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn_procs</span><span·class="p"·data-group-id=" | 397 | ····</span><span·class="n">Procs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">spawn_procs</span><span·class="p"·data-group-id="7231162856-69">(</span><span·class="n">N</span><span·class="p"·data-group-id="7231162856-69">)</span><span·class="p">,</span><span·class="w"> |
| 398 | ····</span><span·class="n">RMsgs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id=" | 398 | ····</span><span·class="n">RMsgs</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">map</span><span·class="p"·data-group-id="7231162856-70">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-71">(</span><span·class="n">P</span><span·class="p"·data-group-id="7231162856-71">)</span><span·class="w">·</span><span·class="p">-></spa[·...·truncated·by·diffoscope;·len:·401,·SHA:·1c76a0bd29ae55f5ebe2f461c0341aa908d26bc086b85987ae29edca9b9cfd7e·...·]-70">)</span><span·class="p">,</span><span·class="w"> |
| 399 | ····</span><span·class="n">Start</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">now</span><span·class="p"·data-group-id=" | 399 | ····</span><span·class="n">Start</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">now</span><span·class="p"·data-group-id="7231162856-73">(</span><span·class="p"·data-group-id="7231162856-73">)</span><span·class="p">,</span><span·class="w"> |
| 400 | ····</span><span·class="nf">send_procs</span><span·class="p"·data-group-id=" | 400 | ····</span><span·class="nf">send_procs</span><span·class="p"·data-group-id="7231162856-74">(</span><span·class="n">Procs</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-75">{</span><span·class="ss">procs</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Procs</spa[·...·truncated·by·diffoscope;·len:·281,·SHA:·7943b2491b9bacd0794166e6a6c4d815f1d545c001841c29a148b4c5aec7f09a·...·]-74">)</span><span·class="p">,</span><span·class="w"> |
| 401 | ····</span><span·class="nf">receive_msgs</span><span·class="p"·data-group-id=" | 401 | ····</span><span·class="nf">receive_msgs</span><span·class="p"·data-group-id="7231162856-77">(</span><span·class="n">RMsgs</span><span·class="p"·data-group-id="7231162856-77">)</span><span·class="p">,</span><span·class="w"> |
| 402 | ····</span><span·class="n">Stop</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">now</span><span·class="p"·data-group-id=" | 402 | ····</span><span·class="n">Stop</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">now</span><span·class="p"·data-group-id="7231162856-78">(</span><span·class="p"·data-group-id="7231162856-78">)</span><span·class="p">,</span><span·class="w"> |
| 403 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foreach</span><span·class="p"·data-group-id=" | 403 | ····</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foreach</span><span·class="p"·data-group-id="7231162856-79">(</span><span·class="nf">fun</span><span·class="w">·</span><span·class="p"·data-group-id="7231162856-80">(</span><span·class="n">P</span><span·class="p"·data-group-id="7231162856-80">)</span><span·class="w">·</span><span·class="p">-></spa[·...·truncated·by·diffoscope;·len:·431,·SHA:·5310cc1f9e6d4d7669d32a143dde553d7ce7dea9de07e21d6b097f5a1f71c4ac·...·]-79">)</span><span·class="p">,</span><span·class="w"> |
| 404 | ····</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">now_diff</span><span·class="p"·data-group-id=" | 404 | ····</span><span·class="nc">timer</span><span·class="p">:</span><span·class="nf">now_diff</span><span·class="p"·data-group-id="7231162856-82">(</span><span·class="n">Stop</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Start</span><span·class="p"·data-group-id="7231162856-82">)</span><span·class="p">.</span></code></pre><h2·id="see-also"·class="section-heading"> |
| 405 | ··<a·href="#see-also"·class="hover-link"> | 405 | ··<a·href="#see-also"·class="hover-link"> |
| 406 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 406 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 407 | ··</a> | 407 | ··</a> |
| 408 | ··<span·class="text">See·Also</span> | 408 | ··<span·class="text">See·Also</span> |
| 409 | </h2> | 409 | </h2> |
| 410 | <p><a·href="lcnt.html">LCNT·Reference·Manual</a></p> | 410 | <p><a·href="lcnt.html">LCNT·Reference·Manual</a></p> |
| 411 | </div> | 411 | </div> |
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| 459 | ······<p·class="built-using"> | 459 | ······<p·class="built-using"> |
| 460 | ········Built·using | 460 | ········Built·using |
| 461 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 461 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 462 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 462 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 463 | ······</p> | 463 | ······</p> |
| 464 | <p>Copyright·©·1996-202 | 464 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 465 | ····</footer> | 465 | ····</footer> |
| 466 | ··</div> | 466 | ··</div> |
| 467 | </main> | 467 | </main> |
| 468 | </div> | 468 | </div> |
| 469 | <script> | 469 | <script> |
| 470 | ··function·mermaidLoaded()·{ | 470 | ··function·mermaidLoaded()·{ |
| 471 | ····mermaid.initialize({ | 471 | ····mermaid.initialize({ |
| Offset 138, 16 lines modified | Offset 138, 16 lines modified | ||
| 138 | <p><a·href="#all/1"><code·class="inline">make:all/0,1</code></a>·and·<a·href="#files/2"><code·class="inline">make:files/1,2</code></a>·first·looks·for | 138 | <p><a·href="#all/1"><code·class="inline">make:all/0,1</code></a>·and·<a·href="#files/2"><code·class="inline">make:files/1,2</code></a>·first·looks·for |
| 139 | <code·class="inline">{emake,·Emake}</code>·in·options,·then·in·the·current·working·directory·for·a·file | 139 | <code·class="inline">{emake,·Emake}</code>·in·options,·then·in·the·current·working·directory·for·a·file |
| 140 | named·<code·class="inline">Emakefile</code>.·If·present·<code·class="inline">Emake</code>·should·contain·elements·like·this:</p><pre><code·class="text">Modules. | 140 | named·<code·class="inline">Emakefile</code>.·If·present·<code·class="inline">Emake</code>·should·contain·elements·like·this:</p><pre><code·class="text">Modules. |
| 141 | {Modules,Options}.</code></pre><p><code·class="inline">Modules</code>·is·an·atom·or·a·list·of·atoms.·It·can·be</p><ul><li>a·module·name,·for·exmaple,··<code·class="inline">file1</code></li><li>a·module·name·in·another·directory,·for·exmaple,·<code·class="inline">'../foo/file3'</code></li><li>a·set·of·modules·specified·with·a·wildcards,·for·exmaple,·<code·class="inline">'file*'</code></li><li>a·wildcard·indicating·all·modules·in·current·directory,·that·is:·<code·class="inline">'*'</code></li><li>a·list·of·any·of·the·above,·for·exmaple,·<code·class="inline">['file*','../foo/file3','File4']</code></li></ul><p><code·class="inline">Options</code>·is·a·list·of·compiler·options.</p><p><code·class="inline">Emakefile</code>·is·read·from·top·to·bottom.·If·a·module·matches·more·than·one·entry, | 141 | {Modules,Options}.</code></pre><p><code·class="inline">Modules</code>·is·an·atom·or·a·list·of·atoms.·It·can·be</p><ul><li>a·module·name,·for·exmaple,··<code·class="inline">file1</code></li><li>a·module·name·in·another·directory,·for·exmaple,·<code·class="inline">'../foo/file3'</code></li><li>a·set·of·modules·specified·with·a·wildcards,·for·exmaple,·<code·class="inline">'file*'</code></li><li>a·wildcard·indicating·all·modules·in·current·directory,·that·is:·<code·class="inline">'*'</code></li><li>a·list·of·any·of·the·above,·for·exmaple,·<code·class="inline">['file*','../foo/file3','File4']</code></li></ul><p><code·class="inline">Options</code>·is·a·list·of·compiler·options.</p><p><code·class="inline">Emakefile</code>·is·read·from·top·to·bottom.·If·a·module·matches·more·than·one·entry, |
| 142 | the·first·match·is·used.·For·example,·the·following·<code·class="inline">Emakefile</code>·means·that | 142 | the·first·match·is·used.·For·example,·the·following·<code·class="inline">Emakefile</code>·means·that |
| 143 | <code·class="inline">file1</code>·should·be·compiled·with·the·options·<code·class="inline">[debug_info,{i,"../foo"}]</code>,·while | 143 | <code·class="inline">file1</code>·should·be·compiled·with·the·options·<code·class="inline">[debug_info,{i,"../foo"}]</code>,·while |
| 144 | all·other·files·in·the·current·directory·should·be·compiled·with·only·the | 144 | all·other·files·in·the·current·directory·should·be·compiled·with·only·the |
| 145 | <code·class="inline">debug_info</code>·flag.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8009602975-1">{</span><span·class="ss">'file1'</span><span·class="p">,</span><span·class="p"·data-group-id="8009602975-2">[</span><span·class="ss">debug_info</span><span·class="p">,</span><span·class="p"·data-group-id="8009602975-3">{</span><span·class="ss">i</span><span·class="p">,</span><span·class="s">"../foo"</span><span·class="p"·data-group-id="8009602975-3">}</span><span·class="p"·data-group-id="8009602975-2">]</span><span·class="p"·data-group-id="8009602975-1">}</span><span·class="p">.</span><span·class="w"> | ||
| 146 | < | 145 | <code·class="inline">debug_info</code>·flag.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="6781379340-1">{</span><span·class="ss">'file1'</span><span·class="p">,</span><span·class="p"·data-group-id="6781379340-2">[·...·truncated·by·diffoscope;·len:·406,·SHA:·f1571a9b399ad4f4498a0e337c4fcfb96598ade1fc3049f5bcf924ec2e315a90·...·]"> |
| 146 | </span><span·class="p"·data-group-id="6781379340-4">{</span><span·class="ss">'*'</span><span·class="p">,</span><span·class="p"·data-group-id="6781379340-5">[</span><span·class="ss">debug_info</span><span·class="p"·data-group-id="6781379340-5">]</span><span·class="p"·data-group-id="6781379340-4">}</span><span·class="p">.</span></code></pre><h2·id="module-see-also"·class="section-heading"> | ||
| 147 | ··<a·href="#module-see-also"·class="hover-link"> | 147 | ··<a·href="#module-see-also"·class="hover-link"> |
| 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 148 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 149 | ··</a> | 149 | ··</a> |
| 150 | ··<span·class="text">See·Also</span> | 150 | ··<span·class="text">See·Also</span> |
| 151 | </h2> | 151 | </h2> |
| 152 | <p><a·href="../../../../lib/compiler-8.6/doc/html/compile.html">The·Compiler·Application</a></p> | 152 | <p><a·href="../../../../lib/compiler-8.6/doc/html/compile.html">The·Compiler·Application</a></p> |
| 153 | ····</section> | 153 | ····</section> |
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| 378 | ······<p·class="built-using"> | 378 | ······<p·class="built-using"> |
| 379 | ········Built·using | 379 | ········Built·using |
| 380 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 380 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 381 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 381 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 382 | ······</p> | 382 | ······</p> |
| 383 | <p>Copyright·©·1996-202 | 383 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 384 | ····</footer> | 384 | ····</footer> |
| 385 | ··</div> | 385 | ··</div> |
| 386 | </main> | 386 | </main> |
| 387 | </div> | 387 | </div> |
| 388 | <script> | 388 | <script> |
| 389 | ··function·mermaidLoaded()·{ | 389 | ··function·mermaidLoaded()·{ |
| 390 | ····mermaid.initialize({ | 390 | ····mermaid.initialize({ |
| Offset 163, 51 lines modified | Offset 163, 51 lines modified | ||
| 163 | </h2> | 163 | </h2> |
| 164 | <h3·id="fixed-bugs-and-malfunctions-2"·class="section-heading"> | 164 | <h3·id="fixed-bugs-and-malfunctions-2"·class="section-heading"> |
| 165 | ··<a·href="#fixed-bugs-and-malfunctions-2"·class="hover-link"> | 165 | ··<a·href="#fixed-bugs-and-malfunctions-2"·class="hover-link"> |
| 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 167 | ··</a> | 167 | ··</a> |
| 168 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> | 168 | ··<span·class="text">Fixed·Bugs·and·Malfunctions</span> |
| 169 | </h3> | 169 | </h3> |
| 170 | <ul><li><p>Dialyzer·warnings·due·to·type·specs·added·in·<a·href="../../../../lib/runtime_tools-2.1.1/doc/html/dbg.html"><code·class="inline">dbg</code></a>·have·been·eliminated.</p><p>Own·Id:·OTP-18860</p></li><li><p>In·Erlang/OTP·26,·doing·a·<a·href="cover.html"><code·class="inline">cover</code></a>·analysis·on·the·<code·class="inline">line</code>·level·would·return·multiple·entries·for·lines·on·which·multiple·functions·were·defined.</p><p>For·example,·consider·this·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 170 | <ul><li><p>Dialyzer·warnings·due·to·type·specs·added·in·<a·href="../../../../lib/runtime_tools-2.1.1/doc/html/dbg.html"><code·class="inline">dbg</code></a>·have·been·eliminated.</p><p>Own·Id:·OTP-18860</p></li><li><p>In·Erlang/OTP·26,·doing·a·<a·href="cover.html"><code·class="inline">cover</code></a>·analysis·on·the·<code·class="inline">line</code>·level·would·return·multiple·entries·for·lines·on·which·multiple·functions·were·defined.</p><p>For·example,·consider·this·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="1587363017-1">(</span><span·class="ss">foo</span><span·class="p"·data-group-id="1587363017-1">)</span><span·class="p">.</span><span·class="w"> |
| 171 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 171 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="1587363017-2">(</span><span·class="p"·data-group-id="1587363017-3">[</span><span·class="ss">bar</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">baz</span><span·class="p">/</span><span·[·...·truncated·by·diffoscope;·len:·113,·SHA:·e44b29be09da5b7eeb0741356813364c623775835602fb88be800f72edeea193·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 172 | </span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 172 | </span><span·class="nf">bar</span><span·class="p"·data-group-id="1587363017-4">(</span><span·class="p"·data-group-id="1587363017-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">.</span><span·class="w">·</span><span·class="nf">baz</span><spa[·...·truncated·by·diffoscope;·len:·90,·SHA:·ede9004618e0dce12d67e5317ecf2fc5ec0e629c257a1cef43520e581a9e742e·...·]-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="ss">not_ok</span><span·class="p">.</span></code></pre><p>In·Erlang/OTP·26,·analysing·on·the·<code·class="inline">line</code>·level·would·return·two·entries |
| 173 | for·line·4:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">compile_module</span><span·class="p"·data-group-id=" | 173 | for·line·4:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">compile_module</span><span·class="p"·data-group-id="7815844965-1">(</span><span·class="ss">foo</span><span·class="p"·data-group-id="7815844965-1">)</span><span·class="p">.</span><span·class="w"> |
| 174 | </span><span·class="p"·data-group-id=" | 174 | </span><span·class="p"·data-group-id="7815844965-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">foo</span><span·class="p"·data-group-id="7815844965-2">}</span><span·class="gp·unselectable"> |
| 175 | 2>·</span><span·class="nc">foo</span><span·class="p">:</span><span·class="nf">bar</span><span·class="p"·data-group-id=" | 175 | 2>·</span><span·class="nc">foo</span><span·class="p">:</span><span·class="nf">bar</span><span·class="p"·data-group-id="7815844965-3">(</span><span·class="p"·data-group-id="7815844965-3">)</span><span·class="p">.</span><span·class="w"> |
| 176 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 176 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 177 | 3>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id=" | 177 | 3>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="7815844965-4">(</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">coverage</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">line</span><span·class="p"·data-group-id="7815844965-4">)</span><span·class="p">.</span><span·class="w"> |
| 178 | </span><span·class="p"·data-group-id=" | 178 | </span><span·class="p"·data-group-id="7815844965-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="7815844965-6">[</span><span·class="p"·data-group-id="7815844965-7">{</span><span·class="p"·data-group-id="7815844965-8">{</span><span·class="ss">foo</spa[·...·truncated·by·diffoscope;·len:·977,·SHA:·4811404de3f35c3a83f96b00e6b1926876c370f0117daec261345064124f6ff4·...·]-5">}</span><span·class="gp·unselectable"> |
| 179 | 4>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id=" | 179 | 4>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="7815844965-13">(</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">calls</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">line</span><span·class="p"·data-group-id="7815844965-13">)</span><span·class="p">.</span><span·class="w"> |
| 180 | </span><span·class="p"·data-group-id=" | 180 | </span><span·class="p"·data-group-id="7815844965-14">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="7815844965-15">[</span><span·class="p"·data-group-id="7815844965-16">{</span><span·class="p"·data-group-id="7815844965-17">{</span><span·class="ss">foo<[·...·truncated·by·diffoscope;·len:·1071,·SHA:·6fe76eac13e8282587baa64c983e27ab223ed51cc5b8bfe5832efda0a87e671a·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 181 | </span><span·class="p"·data-group-id="3 | 181 | </span><span·class="p"·data-group-id="3083261314-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">foo</span><span·class="p"·data-group-id="3083261314-2">}</span><span·class="gp·unselectable"> |
| 182 | 2>·</span><span·class="nc">foo</span><span·class="p">:</span><span·class="nf">bar</span><span·class="p"·data-group-id="3 | 182 | 2>·</span><span·class="nc">foo</span><span·class="p">:</span><span·class="nf">bar</span><span·class="p"·data-group-id="3083261314-3">(</span><span·class="p"·data-group-id="3083261314-3">)</span><span·class="p">.</span><span·class="w"> |
| 183 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 183 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 184 | 3>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="3 | 184 | 3>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="3083261314-4">(</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">coverage</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">line</span><span·class="p"·data-group-id="3083261314-4">)</span><span·class="p">.</span><span·class="w"> |
| 185 | </span><span·class="p"·data-group-id="3 | 185 | </span><span·class="p"·data-group-id="3083261314-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3083261314-6">[</span><span·class="p"·data-group-id="3083261314-7">{</span><span·class="p"·data-group-id="3083261314-8">{</span><span·class="ss">foo</span[·...·truncated·by·diffoscope;·len:·454,·SHA:·984d7923dfd33007e1458b325b6413449ff8d5ddf8fb3e03b639cd7a780fc793·...·]-5">}</span><span·class="gp·unselectable"> |
| 186 | 4>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="3 | 186 | 4>·</span><span·class="nc">cover</span><span·class="p">:</span><span·class="nf">analyse</span><span·class="p"·data-group-id="3083261314-10">(</span><span·class="ss">foo</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">calls</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">line</span><span·class="p"·data-group-id="3083261314-10">)</span><span·class="p">.</span><span·class="w"> |
| 187 | </span><span·class="p"·data-group-id="3 | 187 | </span><span·class="p"·data-group-id="3083261314-11">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="3083261314-12">[</span><span·class="p"·data-group-id="3083261314-13">{</span><span·class="p"·data-group-id="3083261314-14">{</span><span·class="ss">foo</[·...·truncated·by·diffoscope;·len:·306,·SHA:·0378b0d15400024eb7ddd2e8525af47a907d54809bd8f99bcfcb241e3faf7caa·...·]-11">}</span></code></pre><p>Own·Id:·OTP-18998·Aux·Id:·<a·href="https://github.com/erlang/otp/issues/8159"·title="">GH-8159</a>,·<a·href="https://github.com/erlang/otp/pull/8182"·title="">PR-8182</a></p></li><li><p>Fixed·align·command·in·emacs·mode.</p><p>Own·Id:·OTP-19026·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8155"·title="">PR-8155</a></p></li></ul><h3·id="improvements-and-new-features-1"·class="section-heading"> |
| 188 | ··<a·href="#improvements-and-new-features-1"·class="hover-link"> | 188 | ··<a·href="#improvements-and-new-features-1"·class="hover-link"> |
| 189 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 189 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 190 | ··</a> | 190 | ··</a> |
| 191 | ··<span·class="text">Improvements·and·New·Features</span> | 191 | ··<span·class="text">Improvements·and·New·Features</span> |
| 192 | </h3> | 192 | </h3> |
| 193 | <ul><li><p>Triple-Quoted·Strings·has·been·implemented·as·per·<a·href="https://www.erlang.org/eeps/eep-0064">EEP·64</a>.·See·<a·href="../../../../doc/system/data_types.html#string">String</a>·in·the·Reference·Manual.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="s">""</span><span·class="s">" | 193 | <ul><li><p>Triple-Quoted·Strings·has·been·implemented·as·per·<a·href="https://www.erlang.org/eeps/eep-0064">EEP·64</a>.·See·<a·href="../../../../doc/system/data_types.html#string">String</a>·in·the·Reference·Manual.</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="s">""</span><span·class="s">" |
| 194 | ···a | 194 | ···a |
| 195 | ···b | 195 | ···b |
| 196 | ···c | 196 | ···c |
| 197 | ···"</span><span·class="s">""</span><span·class="p">.</span><span·class="w"> | 197 | ···"</span><span·class="s">""</span><span·class="p">.</span><span·class="w"> |
| 198 | </span><span·class="s">"a\nb\nc"</span></code></pre><p>Adjacent·string·literals·without·intervening·white·space·is·now·a·syntax·error,·to·avoid·possible·confusion·with·triple-quoted·strings.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="s">"abc"</span><span·class="s">"xyz"</span><span·class="p">.</span><span·class="w"> | 198 | </span><span·class="s">"a\nb\nc"</span></code></pre><p>Adjacent·string·literals·without·intervening·white·space·is·now·a·syntax·error,·to·avoid·possible·confusion·with·triple-quoted·strings.·For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="s">"abc"</span><span·class="s">"xyz"</span><span·class="p">.</span><span·class="w"> |
| 199 | </span><span·class="s">"xyz"</span><span·class="p">.</span><span·class="w"> | 199 | </span><span·class="s">"xyz"</span><span·class="p">.</span><span·class="w"> |
| 200 | </span><span·class="gt">*·1:6:·adjacent·string·literals·without·intervening·white·space</span></code></pre><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-18750·Aux·Id:·OTP-18746,·<a·href="https://github.com/erlang/otp/pull/7313"·title="">PR-7313</a>,·<a·href="https://github.com/erlang/otp/pull/7451"·title="">PR-7451</a></p></li><li><p>There·is·a·new·tool·<a·href="tprof.html"><code·class="inline">tprof</code></a>,·which·combines·the·functionality·of·<a·href="eprof.html"><code·class="inline">eprof</code></a>·and·<a·href="cprof.html"><code·class="inline">cprof</code></a>·under·one·interface·and·adds·heap·profiling.·It·also·has·functionality·to·help·with·profiling·process·hierarchies.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id=" | 200 | </span><span·class="gt">*·1:6:·adjacent·string·literals·without·intervening·white·space</span></code></pre><p><strong><em>·POTENTIAL·INCOMPATIBILITY·</em></strong></p><p>Own·Id:·OTP-18750·Aux·Id:·OTP-18746,·<a·href="https://github.com/erlang/otp/pull/7313"·title="">PR-7313</a>,·<a·href="https://github.com/erlang/otp/pull/7451"·title="">PR-7451</a></p></li><li><p>There·is·a·new·tool·<a·href="tprof.html"><code·class="inline">tprof</code></a>,·which·combines·the·functionality·of·<a·href="eprof.html"><code·class="inline">eprof</code></a>·and·<a·href="cprof.html"><code·class="inline">cprof</code></a>·under·one·interface·and·adds·heap·profiling.·It·also·has·functionality·to·help·with·profiling·process·hierarchies.</p><p><em>Example</em>:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="4210812169-1">(</span><span·class="ss">lists</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">seq</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="4210812169-2">[</span><span·class="mi">1</span><spa[·...·truncated·by·diffoscope;·len:·458,·SHA:·af092b68244a27d70b53f2c60b97ea144a25b625554bd738ef5003c5539b9aab·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 201 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.92</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">··</span><span·class="o">--</span><span·class="w">··</span><span·class="mf">100.00</span><span·class="c1">%·of·total·***·</span><span·class="w"> | 201 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.92</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">··</span><span·class="o">--</span><span·class="w">··</span><span·class="mf">100.00</span><span·class="c1">%·of·total·***·</span><span·class="w"> |
| 202 | </span><span·class="n">FUNCTION</span><span·class="w">··········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id=" | 202 | </span><span·class="n">FUNCTION</span><span·class="w">··········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="4210812169-4">[</span><span·class="w">·····</span><span·class="c1">%]</span><span·class="w"> |
| 203 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">······</span><span·class="mi">5</span><span·class="w">·····</span><span·class="mi">32</span><span·class="w">······</span><span·class="mf">6.40</span><span·class="w">··</span><span·class="p"·data-group-id=" | 203 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">······</span><span·class="mi">5</span><span·class="w">·····</span><span·class="mi">32</span><span·class="w">······</span><span·class="mf">6.40</span><span·class="w">··</span><span·class="p"·data-group-id="4210812169-5">[</span><span·class="mf">100.00</span><span·class="p"·data-group-id="4210812169-5">]</span><span·class="w"> |
| 204 | ····························</span><span·class="mi">32</span><span·class="w">············</span><span·class="p"·data-group-id=" | 204 | ····························</span><span·class="mi">32</span><span·class="w">············</span><span·class="p"·data-group-id="4210812169-6">[</span><span·class="w">·</span><span·class="mf">100.0</span><span·class="p"·data-group-id="4210812169-6">]</span><span·class="w"> |
| 205 | </span><span·class="ss">ok</span></code></pre><p>Own·Id:·OTP-18756·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/6639"·title="">PR-6639</a></p></li><li><p>Native·coverage·support·has·been·implemented·in·the·JIT.·It·will··automatically·be·used·by·the·<a·href="cover.html"><code·class="inline">cover</code></a>·tool·to·reduce·the·execution·overhead·when·running·cover-compiled·code.</p><p>There·are·also·new·APIs·to·support·native·coverage·without·using·the·<code·class="inline">cover</code>·tool.</p><p>To·instrument·code·for·native·coverage·it·must·be·compiled·with·the·<a·href="../../../../lib/compiler-8.6/doc/html/compile.html#line_coverage"><code·class="inline">line_coverage</code></a>·option.</p><p>To·enable·native·coverage·in·the·runtime·system,·start·it·like·so:</p><pre><code·class="text">$·erl·+JPcover·true</code></pre><p>There·are·also·the·following·new·functions·for·supporting·native·coverage:</p><ul><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#coverage_support/0"><code·class="inline">code:coverage_support/0</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage/2"><code·class="inline">code:get_coverage/2</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#reset_coverage/1"><code·class="inline">code:reset_coverage/1</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/0"><code·class="inline">code:get_coverage_mode/0</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/1"><code·class="inline">code:get_coverage_mode/1</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#set_coverage_mode/1"><code·class="inline">code:set_coverage_mode/1</code></a></li></ul><p>Own·Id:·OTP-18856·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7856"·title="">PR-7856</a></p></li><li><p>The·documentation·has·been·migrated·to·use·Markdown·and·ExDoc.</p><p>Own·Id:·OTP-18955·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8026"·title="">PR-8026</a></p></li><li><p>Improved·the·align·command·in·emacs·mode.</p><p>Own·Id:·OTP-19080·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8288"·title="">PR-8288</a></p></li></ul><h2·id="tools-3-6"·class="section-heading"> | 205 | </span><span·class="ss">ok</span></code></pre><p>Own·Id:·OTP-18756·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/6639"·title="">PR-6639</a></p></li><li><p>Native·coverage·support·has·been·implemented·in·the·JIT.·It·will··automatically·be·used·by·the·<a·href="cover.html"><code·class="inline">cover</code></a>·tool·to·reduce·the·execution·overhead·when·running·cover-compiled·code.</p><p>There·are·also·new·APIs·to·support·native·coverage·without·using·the·<code·class="inline">cover</code>·tool.</p><p>To·instrument·code·for·native·coverage·it·must·be·compiled·with·the·<a·href="../../../../lib/compiler-8.6/doc/html/compile.html#line_coverage"><code·class="inline">line_coverage</code></a>·option.</p><p>To·enable·native·coverage·in·the·runtime·system,·start·it·like·so:</p><pre><code·class="text">$·erl·+JPcover·true</code></pre><p>There·are·also·the·following·new·functions·for·supporting·native·coverage:</p><ul><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#coverage_support/0"><code·class="inline">code:coverage_support/0</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage/2"><code·class="inline">code:get_coverage/2</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#reset_coverage/1"><code·class="inline">code:reset_coverage/1</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/0"><code·class="inline">code:get_coverage_mode/0</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#get_coverage_mode/1"><code·class="inline">code:get_coverage_mode/1</code></a></li><li><a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#set_coverage_mode/1"><code·class="inline">code:set_coverage_mode/1</code></a></li></ul><p>Own·Id:·OTP-18856·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/7856"·title="">PR-7856</a></p></li><li><p>The·documentation·has·been·migrated·to·use·Markdown·and·ExDoc.</p><p>Own·Id:·OTP-18955·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8026"·title="">PR-8026</a></p></li><li><p>Improved·the·align·command·in·emacs·mode.</p><p>Own·Id:·OTP-19080·Aux·Id:·<a·href="https://github.com/erlang/otp/pull/8288"·title="">PR-8288</a></p></li></ul><h2·id="tools-3-6"·class="section-heading"> |
| 206 | ··<a·href="#tools-3-6"·class="hover-link"> | 206 | ··<a·href="#tools-3-6"·class="hover-link"> |
| 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 207 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 208 | ··</a> | 208 | ··</a> |
| 209 | ··<span·class="text">Tools·3.6</span> | 209 | ··<span·class="text">Tools·3.6</span> |
| 210 | </h2> | 210 | </h2> |
| 211 | <h3·id="improvements-and-new-features-2"·class="section-heading"> | 211 | <h3·id="improvements-and-new-features-2"·class="section-heading"> |
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| 1528 | ······<p·class="built-using"> | 1528 | ······<p·class="built-using"> |
| 1529 | ········Built·using | 1529 | ········Built·using |
| 1530 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1530 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1531 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1531 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1532 | ······</p> | 1532 | ······</p> |
| 1533 | <p>Copyright·©·1996-202 | 1533 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1534 | ····</footer> | 1534 | ····</footer> |
| 1535 | ··</div> | 1535 | ··</div> |
| 1536 | </main> | 1536 | </main> |
| 1537 | </div> | 1537 | </div> |
| 1538 | <script> | 1538 | <script> |
| 1539 | ··function·mermaidLoaded()·{ | 1539 | ··function·mermaidLoaded()·{ |
| 1540 | ····mermaid.initialize({ | 1540 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 770 | ······<p·class="built-using"> | 770 | ······<p·class="built-using"> |
| 771 | ········Built·using | 771 | ········Built·using |
| 772 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 772 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 773 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 773 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 774 | ······</p> | 774 | ······</p> |
| 775 | <p>Copyright·©·1996-202 | 775 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 776 | ····</footer> | 776 | ····</footer> |
| 777 | ··</div> | 777 | ··</div> |
| 778 | </main> | 778 | </main> |
| 779 | </div> | 779 | </div> |
| 780 | <script> | 780 | <script> |
| 781 | ··function·mermaidLoaded()·{ | 781 | ··function·mermaidLoaded()·{ |
| 782 | ····mermaid.initialize({ | 782 | ····mermaid.initialize({ |
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| 156 | The·<code·class="inline">tprof</code>·results·will·probably·be·incorrect·when·the·profiled·code·was | 156 | The·<code·class="inline">tprof</code>·results·will·probably·be·incorrect·when·the·profiled·code·was |
| 157 | reloading·during·a·profiling·session.</p></section><h2·id="module-ad-hoc-profiling"·class="section-heading"> | 157 | reloading·during·a·profiling·session.</p></section><h2·id="module-ad-hoc-profiling"·class="section-heading"> |
| 158 | ··<a·href="#module-ad-hoc-profiling"·class="hover-link"> | 158 | ··<a·href="#module-ad-hoc-profiling"·class="hover-link"> |
| 159 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 159 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 160 | ··</a> | 160 | ··</a> |
| 161 | ··<span·class="text">Ad-hoc·profiling</span> | 161 | ··<span·class="text">Ad-hoc·profiling</span> |
| 162 | </h2> | 162 | </h2> |
| 163 | <p>Ad-hoc·profiling·is·convenient·for·profiling·a·single·function·call.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id=" | 163 | <p>Ad-hoc·profiling·is·convenient·for·profiling·a·single·function·call.</p><p>For·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="0434056724-1">(</span><span·class="ss">lists</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">seq</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0434056724-2">[</span><span·class="mi">1</span><spa[·...·truncated·by·diffoscope;·len:·458,·SHA:·faebe4428fad8f39afe587ae778cbc9afc1ee40f2881feae3848b42e33a81a2e·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 164 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.92</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">··</span><span·class="o">--</span><span·class="w">··</span><span·class="mf">100.00</span><span·class="c1">%·of·total·***·</span><span·class="w"> | 164 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.92</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">··</span><span·class="o">--</span><span·class="w">··</span><span·class="mf">100.00</span><span·class="c1">%·of·total·***·</span><span·class="w"> |
| 165 | </span><span·class="n">FUNCTION</span><span·class="w">··········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id=" | 165 | </span><span·class="n">FUNCTION</span><span·class="w">··········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="0434056724-4">[</span><span·class="w">·····</span><span·class="c1">%]</span><span·class="w"> |
| 166 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">······</span><span·class="mi">5</span><span·class="w">·····</span><span·class="mi">32</span><span·class="w">······</span><span·class="mf">6.40</span><span·class="w">··</span><span·class="p"·data-group-id=" | 166 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">······</span><span·class="mi">5</span><span·class="w">·····</span><span·class="mi">32</span><span·class="w">······</span><span·class="mf">6.40</span><span·class="w">··</span><span·class="p"·data-group-id="0434056724-5">[</span><span·class="mf">100.00</span><span·class="p"·data-group-id="0434056724-5">]</span><span·class="w"> |
| 167 | ····························</span><span·class="mi">32</span><span·class="w">············</span><span·class="p"·data-group-id=" | 167 | ····························</span><span·class="mi">32</span><span·class="w">············</span><span·class="p"·data-group-id="0434056724-6">[</span><span·class="w">·</span><span·class="mf">100.0</span><span·class="p"·data-group-id="0434056724-6">]</span><span·class="w"> |
| 168 | </span><span·class="ss">ok</span></code></pre><p>By·default·tracing·is·enabled·for·all·functions·in·all·modules.·When·funs | 168 | </span><span·class="ss">ok</span></code></pre><p>By·default·tracing·is·enabled·for·all·functions·in·all·modules.·When·funs |
| 169 | are·created·in·the·interactive·shell,·parts·of·shell·code·are·also·traced:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id=" | 169 | are·created·in·the·interactive·shell,·parts·of·shell·code·are·also·traced:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="1792435016-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="1792435016-2">(</span><span·class="p"·data-group-id="1792435016-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">lists</s[·...·truncated·by·diffoscope;·len:·644,·SHA:·6a87d468381281f6d7f8691e896dd9273d4b7392e9f1561c10e76a3764dbd1c2·...·]6-1">)</span><span·class="p">.</span><span·class="w"> |
| 170 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.95</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">··</span><span·class="o">--</span><span·class="w">··</span><span·class="mf">100.00</span><span·class="c1">%·of·total·***·</span><span·class="w"> | 170 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.95</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">··</span><span·class="o">--</span><span·class="w">··</span><span·class="mf">100.00</span><span·class="c1">%·of·total·***·</span><span·class="w"> |
| 171 | </span><span·class="n">FUNCTION</span><span·class="w">···················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id=" | 171 | </span><span·class="n">FUNCTION</span><span·class="w">···················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="1792435016-5">[</span><span·class="w">····</span><span·class="c1">%]</span><span·class="w"> |
| 172 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">do_apply</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">············</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">······</span><span·class="mf">3.00</span><span·class="w">··</span><span·class="p"·data-group-id=" | 172 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">do_apply</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">············</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">······</span><span·class="mf">3.00</span><span·class="w">··</span><span·class="p"·data-group-id="1792435016-6">[</span><span·class="w">·</span><span·class="mf">3.61</span><span·class="p"·data-group-id="1792435016-6">]</span><span·class="w"> |
| 173 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">match_list</span><span·class="p">/</span><span·class="mi">6</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">······</span><span·class="mf">3.00</span><span·class="w">··</span><span·class="p"·data-group-id=" | 173 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">match_list</span><span·class="p">/</span><span·class="mi">6</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">······</span><span·class="mf">3.00</span><span·class="w">··</span><span·class="p"·data-group-id="1792435016-7">[</span><span·class="w">·</span><span·class="mf">3.61</span><span·class="p"·data-group-id="1792435016-7">]</span><span·class="w"> |
| 174 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">reverse</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">4</span><span·class="w">······</span><span·class="mf">4.00</span><span·class="w">··</span><span·class="p"·data-group-id=" | 174 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">reverse</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">4</span><span·class="w">······</span><span·class="mf">4.00</span><span·class="w">··</span><span·class="p"·data-group-id="1792435016-8">[</span><span·class="w">·</span><span·class="mf">4.82</span><span·class="p"·data-group-id="1792435016-8">]</span><span·class="w"> |
| 175 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">expr_list</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">···········</span><span·class="mi">3</span><span·class="w">······</span><span·class="mi">7</span><span·class="w">······</span><span·class="mf">2.33</span><span·class="w">··</span><span·class="p"·data-group-id=" | 175 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">expr_list</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">···········</span><span·class="mi">3</span><span·class="w">······</span><span·class="mi">7</span><span·class="w">······</span><span·class="mf">2.33</span><span·class="w">··</span><span·class="p"·data-group-id="1792435016-9">[</span><span·class="w">·</span><span·class="mf">8.43</span><span·class="p"·data-group-id="1792435016-9">]</span><span·class="w"> |
| 176 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">ret_expr</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">············</span><span·class="mi">4</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">······</span><span·class="mf">4.00</span><span·class="w">··</span><span·class="p"·data-group-id=" | 176 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">ret_expr</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">············</span><span·class="mi">4</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">······</span><span·class="mf">4.00</span><span·class="w">··</span><span·class="p"·data-group-id="1792435016-10">[</span><span·class="mf">19.28</span><span·class="p"·data-group-id="1792435016-10">]</span><span·class="w"> |
| 177 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">merge_bindings</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·····</span><span·class="mi">18</span><span·class="w">······</span><span·class="mf">6.00</span><span·class="w">··</span><span·class="p"·data-group-id=" | 177 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">merge_bindings</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·····</span><span·class="mi">18</span><span·class="w">······</span><span·class="mf">6.00</span><span·class="w">··</span><span·class="p"·data-group-id="1792435016-11">[</span><span·class="mf">21.69</span><span·class="p"·data-group-id="1792435016-11">]</span><span·class="w"> |
| 178 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">···············</span><span·class="mi">5</span><span·class="w">·····</span><span·class="mi">32</span><span·class="w">······</span><span·class="mf">6.40</span><span·class="w">··</span><span·class="p"·data-group-id=" | 178 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">···············</span><span·class="mi">5</span><span·class="w">·····</span><span·class="mi">32</span><span·class="w">······</span><span·class="mf">6.40</span><span·class="w">··</span><span·class="p"·data-group-id="1792435016-12">[</span><span·class="mf">38.55</span><span·class="p"·data-group-id="1792435016-12">]</span><span·class="w"> |
| 179 | ·····································</span><span·class="mi">83</span><span·class="w">············</span><span·class="p"·data-group-id=" | 179 | ·····································</span><span·class="mi">83</span><span·class="w">············</span><span·class="p"·data-group-id="1792435016-13">[</span><span·class="mf">100.0</span><span·class="p"·data-group-id="1792435016-13">]</span><span·class="w"> |
| 180 | </span><span·class="ss">ok</span></code></pre><p>However,·it·is·possible·to·limit·the·trace·to·specific·functions·or·modules:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="0 | 180 | </span><span·class="ss">ok</span></code></pre><p>However,·it·is·possible·to·limit·the·trace·to·specific·functions·or·modules:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="0248341812-1">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="0248341812-2">(</span><span·class="p"·data-group-id="0248341812-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">lists</sp[·...·truncated·by·diffoscope;·len:·247,·SHA:·08777fdb645aa5240ab1ec57335e63f9bdb5ec9d926b7134af1c888f04af3517·...·]-3">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 181 | ·················</span><span·class="p"·data-group-id="0 | 181 | ·················</span><span·class="p"·data-group-id="0248341812-4">#{</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">call_memory</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">pattern</span><span·class="w">[·...·truncated·by·diffoscope;·len:·558,·SHA:·0f4e82e4ca50c3ce2bfe6fda4fc487769e482bdbe2c3bf40cdb9d8640acf5722·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.98</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">··</span><span·class="o">--</span><span·class="w">··</span><span·class="mf">100.00</span><span·class="c1">%·of·total·***·</span><span·class="w"> | 182 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.98</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">··</span><span·class="o">--</span><span·class="w">··</span><span·class="mf">100.00</span><span·class="c1">%·of·total·***·</span><span·class="w"> |
| 183 | </span><span·class="n">FUNCTION</span><span·class="w">··········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="0 | 183 | </span><span·class="n">FUNCTION</span><span·class="w">··········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="0248341812-7">[</span><span·class="w">·····</span><span·class="c1">%]</span><span·class="w"> |
| 184 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">······</span><span·class="mi">5</span><span·class="w">·····</span><span·class="mi">32</span><span·class="w">······</span><span·class="mf">6.40</span><span·class="w">··</span><span·class="p"·data-group-id="0 | 184 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">······</span><span·class="mi">5</span><span·class="w">·····</span><span·class="mi">32</span><span·class="w">······</span><span·class="mf">6.40</span><span·class="w">··</span><span·class="p"·data-group-id="0248341812-8">[</span><span·class="mf">100.00</span><span·class="p"·data-group-id="0248341812-8">]</span><span·class="w"> |
| 185 | ····························</span><span·class="mi">32</span><span·class="w">············</span><span·class="p"·data-group-id="0 | 185 | ····························</span><span·class="mi">32</span><span·class="w">············</span><span·class="p"·data-group-id="0248341812-9">[</span><span·class="w">·</span><span·class="mf">100.0</span><span·class="p"·data-group-id="0248341812-9">]</span><span·class="w"> |
| 186 | </span><span·class="ss">ok</span></code></pre><p>Ad-hoc·profiling·results·can·be·printed·in·a·few·different·ways.·The·following | 186 | </span><span·class="ss">ok</span></code></pre><p>Ad-hoc·profiling·results·can·be·printed·in·a·few·different·ways.·The·following |
| 187 | examples·use·the·<code·class="inline">test</code>·module·defined·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 187 | examples·use·the·<code·class="inline">test</code>·module·defined·like·this:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="9830443070-1">(</span><span·class="ss">test</span><span·class="p"·data-group-id="9830443070-1">)</span><span·class="p">.</span><span·class="w"> |
| 188 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 188 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="9830443070-2">(</span><span·class="p"·data-group-id="9830443070-3">[</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="p"·data-group-id="9830443070-3">]</span><span·class="p"·data-group-id="9830443070-2">)</span><span·class="p">.</span><span·class="w"> |
| 189 | </span><span·class="nf">test_spawn</span><span·class="p"·data-group-id=" | 189 | </span><span·class="nf">test_spawn</span><span·class="p"·data-group-id="9830443070-4">(</span><span·class="p"·data-group-id="9830443070-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 190 | ····</span><span·class="p"·data-group-id=" | 190 | ····</span><span·class="p"·data-group-id="9830443070-5">{</span><span·class="n">Pid</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MRef</span><span·class="p"·data-group-id="9830443070-5">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·cl[·...·truncated·by·diffoscope;·len:·691,·SHA:·41231ba4aa9f04d6bd5b3892ba80776eaca3eaa970e0dbb901d938180723da64·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 191 | ····</span><span·class="k">receive</span><span·class="w"> | 191 | ····</span><span·class="k">receive</span><span·class="w"> |
| 192 | ········</span><span·class="p"·data-group-id=" | 192 | ········</span><span·class="p"·data-group-id="9830443070-9">{</span><span·class="ss">'DOWN'</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MRef</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">process</span><span·class="p">,</span><span·class="w">·<[·...·truncated·by·diffoscope;·len:·151,·SHA:·6c20fd9850dd27fb13dfab3149c63cc20c8e0e0e9c20d3068ce9081b2cc42863·...·]-9">}</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 193 | ············</span><span·class="ss">done</span><span·class="w"> | 193 | ············</span><span·class="ss">done</span><span·class="w"> |
| 194 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>By·default·per-process·statistics·is·shown:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id=" | 194 | ····</span><span·class="k">end</span><span·class="p">.</span></code></pre><p>By·default·per-process·statistics·is·shown:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="9180453371-1">(</span><span·class="ss">test</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">test_spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9180453371-2">[</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·365,·SHA:·94c8dd812fab0839fed247fb994475d7e94e69e20e444182357e6e4c217aeb81·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 195 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.176</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">23.66</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> | 195 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.176</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">23.66</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> |
| 196 | </span><span·class="n">FUNCTION</span><span·class="w">················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id=" | 196 | </span><span·class="n">FUNCTION</span><span·class="w">················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="9180453371-4">[</span><span·class="w">····</span><span·class="c1">%]</span><span·class="w"> |
| 197 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_monitor</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id=" | 197 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_monitor</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="9180453371-5">[</span><span·class="w">·</span><span·class="mf">9.09</span><span·class="p"·data-group-id="9180453371-5">]</span><span·class="w"> |
| 198 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_opt</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id=" | 198 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_opt</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id="9180453371-6">[</span><span·class="mf">27.27</span><span·class="p"·data-group-id="9180453371-6">]</span><span·class="w"> |
| 199 | </span><span·class="nc">test</span><span·class="p">:</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">···········</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">14</span><span·class="w">········</span><span·class="mi">14</span><span·class="w">··</span><span·class="p"·data-group-id=" | 199 | </span><span·class="nc">test</span><span·class="p">:</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">···········</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">14</span><span·class="w">········</span><span·class="mi">14</span><span·class="w">··</span><span·class="p"·data-group-id="9180453371-7">[</span><span·class="mf">63.64</span><span·class="p"·data-group-id="9180453371-7">]</span><span·class="w"> |
| 200 | ··································</span><span·class="mi">22</span><span·class="w">············</span><span·class="p"·data-group-id=" | 200 | ··································</span><span·class="mi">22</span><span·class="w">············</span><span·class="p"·data-group-id="9180453371-8">[</span><span·class="mf">100.0</span><span·class="p"·data-group-id="9180453371-8">]</span><span·class="w"> |
| 201 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.177</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">76.34</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> | 201 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.177</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">76.34</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> |
| 202 | </span><span·class="n">FUNCTION</span><span·class="w">···········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id=" | 202 | </span><span·class="n">FUNCTION</span><span·class="w">···········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="9180453371-9">[</span><span·class="w">····</span><span·class="c1">%]</span><span·class="w"> |
| 203 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">apply</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">7</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id=" | 203 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">apply</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">7</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id="9180453371-10">[</span><span·class="w">·</span><span·class="mf">9.86</span><span·class="p"·data-group-id="9180453371-10">]</span><span·class="w"> |
| 204 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">·······</span><span·class="mi">9</span><span·class="w">·····</span><span·class="mi">64</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id=" | 204 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">·······</span><span·class="mi">9</span><span·class="w">·····</span><span·class="mi">64</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id="9180453371-11">[</span><span·class="mf">90.14</span><span·class="p"·data-group-id="9180453371-11">]</span><span·class="w"> |
| 205 | ·····························</span><span·class="mi">71</span><span·class="w">············</span><span·class="p"·data-group-id=" | 205 | ·····························</span><span·class="mi">71</span><span·class="w">············</span><span·class="p"·data-group-id="9180453371-12">[</span><span·class="mf">100.0</span><span·class="p"·data-group-id="9180453371-12">]</span></code></pre><p>The·following·example·prints·the·combined·memory·allocation·of·all |
| 206 | processes,·sorted·by·the·total·number·of·allocated·words·in·descending | 206 | processes,·sorted·by·the·total·number·of·allocated·words·in·descending |
| 207 | order:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id=" | 207 | order:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="3070145761-1">(</span><span·class="ss">test</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">test_spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3070145761-2">[</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·18,·SHA:·68af7abfc481b07399dc9c88b7cc680821d7c1263c2c75d615e0bfaacd190f9e·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 208 | ·················</span><span·class="p"·data-group-id=" | 208 | ·················</span><span·class="p"·data-group-id="3070145761-3">#{</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">call_memory</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">report</span><span·class="w">[·...·truncated·by·diffoscope;·len:·560,·SHA:·a52d1aac573c5d2ca82b9f7f210cd60fe325b33f17918302963cf8f187edffcc·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 209 | </span><span·class="n">FUNCTION</span><span·class="w">················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id=" | 209 | </span><span·class="n">FUNCTION</span><span·class="w">················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="3070145761-6">[</span><span·class="w">····</span><span·class="c1">%]</span><span·class="w"> |
| 210 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">············</span><span·class="mi">9</span><span·class="w">·····</span><span·class="mi">64</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id=" | 210 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">············</span><span·class="mi">9</span><span·class="w">·····</span><span·class="mi">64</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id="3070145761-7">[</span><span·class="mf">68.82</span><span·class="p"·data-group-id="3070145761-7">]</span><span·class="w"> |
| 211 | </span><span·class="nc">test</span><span·class="p">:</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">···········</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">14</span><span·class="w">········</span><span·class="mi">14</span><span·class="w">··</span><span·class="p"·data-group-id=" | 211 | </span><span·class="nc">test</span><span·class="p">:</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">···········</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">14</span><span·class="w">········</span><span·class="mi">14</span><span·class="w">··</span><span·class="p"·data-group-id="3070145761-8">[</span><span·class="mf">15.05</span><span·class="p"·data-group-id="3070145761-8">]</span><span·class="w"> |
| 212 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">apply</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">··············</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">7</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id=" | 212 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">apply</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">··············</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">7</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id="3070145761-9">[</span><span·class="w">·</span><span·class="mf">7.53</span><span·class="p"·data-group-id="3070145761-9">]</span><span·class="w"> |
| 213 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_opt</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id=" | 213 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_opt</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id="3070145761-10">[</span><span·class="w">·</span><span·class="mf">6.45</span><span·class="p"·data-group-id="3070145761-10">]</span><span·class="w"> |
| 214 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_monitor</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id=" | 214 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_monitor</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="3070145761-11">[</span><span·class="w">·</span><span·class="mf">2.15</span><span·class="p"·data-group-id="3070145761-11">]</span><span·class="w"> |
| 215 | ··································</span><span·class="mi">93</span><span·class="w">············</span><span·class="p"·data-group-id=" | 215 | ··································</span><span·class="mi">93</span><span·class="w">············</span><span·class="p"·data-group-id="3070145761-12">[</span><span·class="mf">100.0</span><span·class="p"·data-group-id="3070145761-12">]</span></code></pre><p>The·profiling·data·can·also·be·collected·for·further·inspection:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·un[·...·truncated·by·diffoscope;·len:·438,·SHA:·4635673c80e776f9f31a4eddc12f0be5c9f06608112bbd49956ff5ace27dac92·...·]-2">(</span><span·class="k">fun</span><span·class="w">·</span><span·class="nc">test</span><span·class="p">:</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="p">,</span><span·class="w"> |
| 216 | ·······································</span><span·class="p"·data-group-id="5 | 216 | ·······································</span><span·class="p"·data-group-id="5409787827-3">#{</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">call_memory</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">report</span><span·class="w">·[·...·truncated·by·diffoscope;·len:·183,·SHA:·23accd9e563b96d61b36877264ceae23bcd62b00ed733f6952333005065022b4·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 217 | </span><span·class="o"><</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="o">></span><span·class="gp·unselectable"> | 217 | </span><span·class="o"><</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="o">></span><span·class="gp·unselectable"> |
| 218 | 4>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5 | 218 | 4>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="5409787827-4">(</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">inspect</span><span·class="p"·data-group-id="5409787827-5">(</span><span·class="n">ProfileData</span><span·class="p">,</span><span·class="w">·</span><span·class="ss"[·...·truncated·by·diffoscope;·len:·376,·SHA:·8a82e484d2b76c161c37895e455917acd5d069882046fe614240329a042fa8b1·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 219 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.223</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">23.66</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> | 219 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.223</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">23.66</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> |
| 220 | </span><span·class="n">FUNCTION</span><span·class="w">················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="5 | 220 | </span><span·class="n">FUNCTION</span><span·class="w">················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="5409787827-7">[</span><span·class="w">····</span><span·class="c1">%]</span><span·class="w"> |
| 221 | </span><span·class="nc">test</span><span·class="p">:</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">···········</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">14</span><span·class="w">········</span><span·class="mi">14</span><span·class="w">··</span><span·class="p"·data-group-id="5 | 221 | </span><span·class="nc">test</span><span·class="p">:</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">···········</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">14</span><span·class="w">········</span><span·class="mi">14</span><span·class="w">··</span><span·class="p"·data-group-id="5409787827-8">[</span><span·class="mf">63.64</span><span·class="p"·data-group-id="5409787827-8">]</span><span·class="w"> |
| 222 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_opt</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id="5 | 222 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_opt</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id="5409787827-9">[</span><span·class="mf">27.27</span><span·class="p"·data-group-id="5409787827-9">]</span><span·class="w"> |
| 223 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_monitor</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="5 | 223 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_monitor</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="5409787827-10">[</span><span·class="w">·</span><span·class="mf">9.09</span><span·class="p"·data-group-id="5409787827-10">]</span><span·class="w"> |
| 224 | ··································</span><span·class="mi">22</span><span·class="w">············</span><span·class="p"·data-group-id="5 | 224 | ··································</span><span·class="mi">22</span><span·class="w">············</span><span·class="p"·data-group-id="5409787827-11">[</span><span·class="mf">100.0</span><span·class="p"·data-group-id="5409787827-11">]</span><span·class="w"> |
| 225 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.224</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">76.34</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> | 225 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.224</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">76.34</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> |
| 226 | </span><span·class="n">FUNCTION</span><span·class="w">···········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="5 | 226 | </span><span·class="n">FUNCTION</span><span·class="w">···········</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="5409787827-12">[</span><span·class="w">····</span><span·class="c1">%]</span><span·class="w"> |
| 227 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">·······</span><span·class="mi">9</span><span·class="w">·····</span><span·class="mi">64</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id="5 | 227 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">seq_loop</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">·······</span><span·class="mi">9</span><span·class="w">·····</span><span·class="mi">64</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id="5409787827-13">[</span><span·class="mf">90.14</span><span·class="p"·data-group-id="5409787827-13">]</span><span·class="w"> |
| 228 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">apply</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">7</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id="5 | 228 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">apply</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">7</span><span·class="w">·········</span><span·class="mi">7</span><span·class="w">··</span><span·class="p"·data-group-id="5409787827-14">[</span><span·class="w">·</span><span·class="mf">9.86</span><span·class="p"·data-group-id="5409787827-14">]</span><span·class="w"> |
| 229 | ·····························</span><span·class="mi">71</span><span·class="w">············</span><span·class="p"·data-group-id="5 | 229 | ·····························</span><span·class="mi">71</span><span·class="w">············</span><span·class="p"·data-group-id="5409787827-15">[</span><span·class="mf">100.0</span><span·class="p"·data-group-id="5409787827-15">]</span></code></pre><p>Which·processes·that·are·profiled·depends·on·the·profiling·type.</p><ul><li><p><code·class="inline">call_count</code>·(default)·counts·calls·in·all·processes.</p></li><li><p><code·class="inline">call_time</code>·and·<code·class="inline">call_memory</code>·limits·the·profiling·to·the·processes |
| 230 | spawned·from·the·user-provided·function·(using·the·<code·class="inline">set_on_spawn</code> | 230 | spawned·from·the·user-provided·function·(using·the·<code·class="inline">set_on_spawn</code> |
| 231 | option·for·<a·href="../../../../lib/kernel-10.2.3/doc/html/trace.html#process/4"><code·class="inline">trace:process/4</code></a>).</p></li></ul><p><code·class="inline">call_time</code>·and·<code·class="inline">call_memory</code>·can·be·restricted·to·profile·a·single·process:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id=" | 231 | option·for·<a·href="../../../../lib/kernel-10.2.3/doc/html/trace.html#process/4"><code·class="inline">trace:process/4</code></a>).</p></li></ul><p><code·class="inline">call_time</code>·and·<code·class="inline">call_memory</code>·can·be·restricted·to·profile·a·single·process:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="0200860385-1">(</span><span·class="ss">test</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">test_spawn</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0200860385-2">[</span><span·class="p"·data-gr[·...·truncated·by·diffoscope;·len:·18,·SHA:·8e4c3344f9ab7bf47a8b1a64e1ff702b2e836a11280c5ac2342ca62b0f9d9e69·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 232 | ·················</span><span·class="p"·data-group-id=" | 232 | ·················</span><span·class="p"·data-group-id="0200860385-3">#{</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">call_memory</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">set_on_spawn</span><span·clas[·...·truncated·by·diffoscope;·len:·189,·SHA:·dfab4cf46498666f539929486bf5cc4f622d157e16f53b4f535159e70425b167·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 233 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.183</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">100.00</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> | 233 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.183</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">100.00</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> |
| 234 | </span><span·class="n">FUNCTION</span><span·class="w">················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id=" | 234 | </span><span·class="n">FUNCTION</span><span·class="w">················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="0200860385-4">[</span><span·class="w">····</span><span·class="c1">%]</span><span·class="w"> |
| 235 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_monitor</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id=" | 235 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_monitor</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="0200860385-5">[</span><span·class="w">·</span><span·class="mf">9.09</span><span·class="p"·data-group-id="0200860385-5">]</span><span·class="w"> |
| 236 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_opt</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id=" | 236 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">spawn_opt</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id="0200860385-6">[</span><span·class="mf">27.27</span><span·class="p"·data-group-id="0200860385-6">]</span><span·class="w"> |
| 237 | </span><span·class="nc">test</span><span·class="p">:</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">···········</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">14</span><span·class="w">········</span><span·class="mi">14</span><span·class="w">··</span><span·class="p"·data-group-id=" | 237 | </span><span·class="nc">test</span><span·class="p">:</span><span·class="ss">test_spawn</span><span·class="p">/</span><span·class="mi">0</span><span·class="w">···········</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">14</span><span·class="w">········</span><span·class="mi">14</span><span·class="w">··</span><span·class="p"·data-group-id="0200860385-7">[</span><span·class="mf">63.64</span><span·class="p"·data-group-id="0200860385-7">]</span></code></pre><p><a·href=""·id="pg_example"></a></p><p>Erlang·programs·can·perform·expensive·operations·in·other·processes |
| 238 | than·the·original·one.·You·can·include·multiple,·new,·or·even·all | 238 | than·the·original·one.·You·can·include·multiple,·new,·or·even·all |
| 239 | processes·in·the·trace·when·measuring·time·or·memory:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">7>·</span><span·class="nc">pg</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id=" | 239 | processes·in·the·trace·when·measuring·time·or·memory:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">7>·</span><span·class="nc">pg</span><span·class="p">:</span><span·class="nf">start_link</span><span·class="p"·data-group-id="9862998473-1">(</span><span·class="p"·data-group-id="9862998473-1">)</span><span·class="p">.</span><span·class="w"> |
| 240 | </span><span·class="p"·data-group-id=" | 240 | </span><span·class="p"·data-group-id="9862998473-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.252</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="9862998473-2">}</span><span·class="gp·unselectable"> |
| 241 | 8>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id=" | 241 | 8>·</span><span·class="nc">tprof</span><span·class="p">:</span><span·class="nf">profile</span><span·class="p"·data-group-id="9862998473-3">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="9862998473-4">(</span><span·class="p"·data-group-id="9862998473-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">pg</span[·...·truncated·by·diffoscope;·len:·358,·SHA:·e7fc6163236c1b21ac3258719d01ebbb7e0d978aa11ff8b10b8fb5b35ef453cf·...·]-5">)</span><span·class="w">·</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 242 | ·················</span><span·class="p"·data-group-id=" | 242 | ·················</span><span·class="p"·data-group-id="9862998473-7">#{</span><span·class="ss">type</span><span·class="w">·</span><span·class="p">=></span><span·class="w">·</span><span·class="ss">call_memory</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">rootset</span><span·class="w"[·...·truncated·by·diffoscope;·len:·287,·SHA:·6c18b1d0d5f1e2f10bbf50ec92b59df3503374fafacd609d08ebaa701a818294·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 243 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.252</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">52.86</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> | 243 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.252</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">52.86</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> |
| 244 | </span><span·class="n">FUNCTION</span><span·class="w">······················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id=" | 244 | </span><span·class="n">FUNCTION</span><span·class="w">······················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-9">[</span><span·class="w">····</span><span·class="c1">%]</span><span·class="w"> |
| 245 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">leave_local_update_ets</span><span·class="p">/</span><span·class="mi">5</span><span·class="w">·······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id=" | 245 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">leave_local_update_ets</span><span·class="p">/</span><span·class="mi">5</span><span·class="w">·······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">2</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-10">[</span><span·class="w">·</span><span·class="mf">1.80</span><span·class="p"·data-group-id="9862998473-10">]</span><span·class="w"> |
| 246 | </span><span·class="nc">gen</span><span·class="p">:</span><span·class="ss">reply</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·······················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id=" | 246 | </span><span·class="nc">gen</span><span·class="p">:</span><span·class="ss">reply</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·······················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-11">[</span><span·class="w">·</span><span·class="mf">2.70</span><span·class="p"·data-group-id="9862998473-11">]</span><span·class="w"> |
| 247 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">monitor</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">··················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id=" | 247 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">monitor</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">··················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-12">[</span><span·class="w">·</span><span·class="mf">2.70</span><span·class="p"·data-group-id="9862998473-12">]</span><span·class="w"> |
| 248 | </span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="ss">try_handle_call</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id=" | 248 | </span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="ss">try_handle_call</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">······</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-13">[</span><span·class="w">·</span><span·class="mf">2.70</span><span·class="p"·data-group-id="9862998473-13">]</span><span·class="w"> |
| 249 | </span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="ss">try_dispatch</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">·········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id=" | 249 | </span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="ss">try_dispatch</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">·········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-14">[</span><span·class="w">·</span><span·class="mf">2.70</span><span·class="p"·data-group-id="9862998473-14">]</span><span·class="w"> |
| 250 | </span><span·class="nc">maps</span><span·class="p">:</span><span·class="ss">iterator</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">···················</span><span·class="mi">2</span><span·class="w">······</span><span·class="mi">4</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id=" | 250 | </span><span·class="nc">maps</span><span·class="p">:</span><span·class="ss">iterator</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">···················</span><span·class="mi">2</span><span·class="w">······</span><span·class="mi">4</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-15">[</span><span·class="w">·</span><span·class="mf">3.60</span><span·class="p"·data-group-id="9862998473-15">]</span><span·class="w"> |
| 251 | </span><span·class="nc">maps</span><span·class="p">:</span><span·class="ss">take</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·······················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id=" | 251 | </span><span·class="nc">maps</span><span·class="p">:</span><span·class="ss">take</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">·······················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">6</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-16">[</span><span·class="w">·</span><span·class="mf">5.41</span><span·class="p"·data-group-id="9862998473-16">]</span><span·class="w"> |
| 252 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">join_local_update_ets</span><span·class="p">/</span><span·class="mi">5</span><span·class="w">········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">8</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id=" | 252 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">join_local_update_ets</span><span·class="p">/</span><span·class="mi">5</span><span·class="w">········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">8</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-17">[</span><span·class="w">·</span><span·class="mf">7.21</span><span·class="p"·data-group-id="9862998473-17">]</span><span·class="w"> |
| 253 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">handle_info</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">··················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">8</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id=" | 253 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">handle_info</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">··················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">8</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-18">[</span><span·class="w">·</span><span·class="mf">7.21</span><span·class="p"·data-group-id="9862998473-18">]</span><span·class="w"> |
| 254 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">handle_call</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">··················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">9</span><span·class="w">·········</span><span·class="mi">9</span><span·class="w">··</span><span·class="p"·data-group-id=" | 254 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">handle_call</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">··················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">9</span><span·class="w">·········</span><span·class="mi">9</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-19">[</span><span·class="w">·</span><span·class="mf">8.11</span><span·class="p"·data-group-id="9862998473-19">]</span><span·class="w"> |
| 255 | </span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="ss">loop</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">·················</span><span·class="mi">2</span><span·class="w">······</span><span·class="mi">9</span><span·class="w">·········</span><span·class="mi">4</span><span·class="w">··</span><span·class="p"·data-group-id=" | 255 | </span><span·class="nc">gen_server</span><span·class="p">:</span><span·class="ss">loop</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">·················</span><span·class="mi">2</span><span·class="w">······</span><span·class="mi">9</span><span·class="w">·········</span><span·class="mi">4</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-20">[</span><span·class="w">·</span><span·class="mf">8.11</span><span·class="p"·data-group-id="9862998473-20">]</span><span·class="w"> |
| 256 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="ss">lookup</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">······················</span><span·class="mi">2</span><span·class="w">·····</span><span·class="mi">10</span><span·class="w">·········</span><span·class="mi">5</span><span·class="w">··</span><span·class="p"·data-group-id=" | 256 | </span><span·class="nc">ets</span><span·class="p">:</span><span·class="ss">lookup</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">······················</span><span·class="mi">2</span><span·class="w">·····</span><span·class="mi">10</span><span·class="w">·········</span><span·class="mi">5</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-21">[</span><span·class="w">·</span><span·class="mf">9.01</span><span·class="p"·data-group-id="9862998473-21">]</span><span·class="w"> |
| 257 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">join_local</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">···················</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">11</span><span·class="w">········</span><span·class="mi">11</span><span·class="w">··</span><span·class="p"·data-group-id=" | 257 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">join_local</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">···················</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">11</span><span·class="w">········</span><span·class="mi">11</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-22">[</span><span·class="w">·</span><span·class="mf">9.91</span><span·class="p"·data-group-id="9862998473-22">]</span><span·class="w"> |
| 258 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">notify_group</span><span·class="p">/</span><span·class="mi">5</span><span·class="w">·················</span><span·class="mi">2</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id=" | 258 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">notify_group</span><span·class="p">/</span><span·class="mi">5</span><span·class="w">·················</span><span·class="mi">2</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-23">[</span><span·class="mf">14.41</span><span·class="p"·data-group-id="9862998473-23">]</span><span·class="w"> |
| 259 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">setelement</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">···············</span><span·class="mi">2</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id=" | 259 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">setelement</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">···············</span><span·class="mi">2</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-24">[</span><span·class="mf">14.41</span><span·class="p"·data-group-id="9862998473-24">]</span><span·class="w"> |
| 260 | ·······································</span><span·class="mi">111</span><span·class="w">············</span><span·class="p"·data-group-id=" | 260 | ·······································</span><span·class="mi">111</span><span·class="w">············</span><span·class="p"·data-group-id="9862998473-25">[</span><span·class="mf">100.0</span><span·class="p"·data-group-id="9862998473-25">]</span><span·class="w"> |
| 261 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.255</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">47.14</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> | 261 | </span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="o">*</span><span·class="w">·</span><span·class="n">Process</span><span·class="w">·</span><span·class="o"><</span><span·class="mf">0.255</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="w">····</span><span·class="o">--</span><span·class="w">·</span><span·class="mf">47.14</span><span·class="w">·</span><span·class="c1">%·of·total·allocations·***</span><span·class="w"> |
| 262 | </span><span·class="n">FUNCTION</span><span·class="w">···················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id=" | 262 | </span><span·class="n">FUNCTION</span><span·class="w">···················</span><span·class="n">CALLS</span><span·class="w">··</span><span·class="n">WORDS</span><span·class="w">··</span><span·class="n">PER</span><span·class="w">·</span><span·class="n">CALL</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-26">[</span><span·class="w">····</span><span·class="c1">%]</span><span·class="w"> |
| 263 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">match_list</span><span·class="p">/</span><span·class="mi">6</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id=" | 263 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">match_list</span><span·class="p">/</span><span·class="mi">6</span><span·class="w">··········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-27">[</span><span·class="w">·</span><span·class="mf">3.03</span><span·class="p"·data-group-id="9862998473-27">]</span><span·class="w"> |
| 264 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">monitor</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">···············</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id=" | 264 | </span><span·class="nc">erlang</span><span·class="p">:</span><span·class="nb">monitor</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">···············</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">3</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-28">[</span><span·class="w">·</span><span·class="mf">3.03</span><span·class="p"·data-group-id="9862998473-28">]</span><span·class="w"> |
| 265 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">reverse</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">················</span><span·class="mi">2</span><span·class="w">······</span><span·class="mi">4</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id=" | 265 | </span><span·class="nc">lists</span><span·class="p">:</span><span·class="ss">reverse</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">················</span><span·class="mi">2</span><span·class="w">······</span><span·class="mi">4</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-29">[</span><span·class="w">·</span><span·class="mf">4.04</span><span·class="p"·data-group-id="9862998473-29">]</span><span·class="w"> |
| 266 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">join</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">······················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">4</span><span·class="w">·········</span><span·class="mi">4</span><span·class="w">··</span><span·class="p"·data-group-id=" | 266 | </span><span·class="nc">pg</span><span·class="p">:</span><span·class="ss">join</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">······················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">4</span><span·class="w">·········</span><span·class="mi">4</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-30">[</span><span·class="w">·</span><span·class="mf">4.04</span><span·class="p"·data-group-id="9862998473-30">]</span><span·class="w"> |
| 267 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">add_bindings</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">5</span><span·class="w">·········</span><span·class="mi">5</span><span·class="w">··</span><span·class="p"·data-group-id=" | 267 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">add_bindings</span><span·class="p">/</span><span·class="mi">2</span><span·class="w">········</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">5</span><span·class="w">·········</span><span·class="mi">5</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-31">[</span><span·class="w">·</span><span·class="mf">5.05</span><span·class="p"·data-group-id="9862998473-31">]</span><span·class="w"> |
| 268 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">do_apply</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">············</span><span·class="mi">2</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id=" | 268 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">do_apply</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">············</span><span·class="mi">2</span><span·class="w">······</span><span·class="mi">6</span><span·class="w">·········</span><span·class="mi">3</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-32">[</span><span·class="w">·</span><span·class="mf">6.06</span><span·class="p"·data-group-id="9862998473-32">]</span><span·class="w"> |
| 269 | </span><span·class="nc">gen</span><span·class="p">:</span><span·class="ss">call</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">·····················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">8</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id=" | 269 | </span><span·class="nc">gen</span><span·class="p">:</span><span·class="ss">call</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">·····················</span><span·class="mi">1</span><span·class="w">······</span><span·class="mi">8</span><span·class="w">·········</span><span·class="mi">8</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-33">[</span><span·class="w">·</span><span·class="mf">8.08</span><span·class="p"·data-group-id="9862998473-33">]</span><span·class="w"> |
| 270 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">expr_list</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">···········</span><span·class="mi">4</span><span·class="w">·····</span><span·class="mi">10</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id=" | 270 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">expr_list</span><span·class="p">/</span><span·class="mi">7</span><span·class="w">···········</span><span·class="mi">4</span><span·class="w">·····</span><span·class="mi">10</span><span·class="w">·········</span><span·class="mi">2</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-34">[</span><span·class="mf">10.10</span><span·class="p"·data-group-id="9862998473-34">]</span><span·class="w"> |
| 271 | </span><span·class="nc">gen</span><span·class="p">:</span><span·class="ss">do_call</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··················</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">········</span><span·class="mi">16</span><span·class="w">··</span><span·class="p"·data-group-id=" | 271 | </span><span·class="nc">gen</span><span·class="p">:</span><span·class="ss">do_call</span><span·class="p">/</span><span·class="mi">4</span><span·class="w">··················</span><span·class="mi">1</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">········</span><span·class="mi">16</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-35">[</span><span·class="mf">16.16</span><span·class="p"·data-group-id="9862998473-35">]</span><span·class="w"> |
| 272 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">ret_expr</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">············</span><span·class="mi">4</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">·········</span><span·class="mi">4</span><span·class="w">··</span><span·class="p"·data-group-id=" | 272 | </span><span·class="nc">erl_eval</span><span·class="p">:</span><span·class="ss">ret_expr</span><span·class="p">/</span><span·class="mi">3</span><span·class="w">············</span><span·class="mi">4</span><span·class="w">·····</span><span·class="mi">16</span><span·class="w">·········</span><span·class="mi">4</span><span·class="w">··</span><span·class="p"·data-group-id="9862998473-36">[</span><span·class="mf">16.16</span><span·class="p"·data-group-id="9862998473-36">]</span><span·class="w"> |
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| 3576 | ······<p·class="built-using"> | 3576 | ······<p·class="built-using"> |
| 3577 | ········Built·using | 3577 | ········Built·using |
| 3578 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3578 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3579 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3579 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3580 | ······</p> | 3580 | ······</p> |
| 3581 | <p>Copyright·©·1996-202 | 3581 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3582 | ····</footer> | 3582 | ····</footer> |
| 3583 | ··</div> | 3583 | ··</div> |
| 3584 | </main> | 3584 | </main> |
| 3585 | </div> | 3585 | </div> |
| 3586 | <script> | 3586 | <script> |
| 3587 | ··function·mermaidLoaded()·{ | 3587 | ··function·mermaidLoaded()·{ |
| 3588 | ····mermaid.initialize({ | 3588 | ····mermaid.initialize({ |
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| 136 | reading;·not·all·of·the·concepts·used·are·explained,·and·it·is·assumed·that·the | 136 | reading;·not·all·of·the·concepts·used·are·explained,·and·it·is·assumed·that·the |
| 137 | <a·href="xref.html">reference·manual</a>·has·been·at·least·skimmed.</p><h2·id="module-check"·class="section-heading"> | 137 | <a·href="xref.html">reference·manual</a>·has·been·at·least·skimmed.</p><h2·id="module-check"·class="section-heading"> |
| 138 | ··<a·href="#module-check"·class="hover-link"> | 138 | ··<a·href="#module-check"·class="hover-link"> |
| 139 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 139 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 140 | ··</a> | 140 | ··</a> |
| 141 | ··<span·class="text">Module·Check</span> | 141 | ··<span·class="text">Module·Check</span> |
| 142 | </h2> | 142 | </h2> |
| 143 | <p>Assume·we·want·to·check·the·following·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="247 | 143 | <p>Assume·we·want·to·check·the·following·module:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="2400794143-1">(</span><span·class="ss">my_module</span><span·class="p"·data-group-id="2400794143-1">)</span><span·class="p">.</span><span·class="w"> |
| 144 | </span><span·class="w"> | 144 | </span><span·class="w"> |
| 145 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="247 | 145 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="2400794143-2">(</span><span·class="p"·data-group-id="2400794143-3">[</span><span·class="ss">t</span><span·class="p">/</span><span·class="mi">1</span><span·class="p"·data-group-id="2400794143-3">]</span><span·class="p"·data-group-id="2400794143-2">)</span><span·class="p">.</span><span·class="w"> |
| 146 | </span><span·class="nf">t</span><span·class="p"·data-group-id="247 | 146 | </span><span·class="nf">t</span><span·class="p"·data-group-id="2400794143-4">(</span><span·class="n">A</span><span·class="p"·data-group-id="2400794143-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 147 | ··</span><span·class="nc">my_module</span><span·class="p">:</span><span·class="nf">t2</span><span·class="p"·data-group-id="247 | 147 | ··</span><span·class="nc">my_module</span><span·class="p">:</span><span·class="nf">t2</span><span·class="p"·data-group-id="2400794143-5">(</span><span·class="n">A</span><span·class="p"·data-group-id="2400794143-5">)</span><span·class="p">.</span><span·class="w"> |
| 148 | </span><span·class="nf">t2</span><span·class="p"·data-group-id="247 | 148 | </span><span·class="nf">t2</span><span·class="p"·data-group-id="2400794143-6">(</span><span·class="p">_</span><span·class="p"·data-group-id="2400794143-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 149 | ··</span><span·class="ss">true</span><span·class="p">.</span></code></pre><p>Cross·reference·data·are·read·from·BEAM·files,·so·the·first·step·when·checking | 149 | ··</span><span·class="ss">true</span><span·class="p">.</span></code></pre><p>Cross·reference·data·are·read·from·BEAM·files,·so·the·first·step·when·checking |
| 150 | an·edited·module·is·to·compile·it:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">c</span><span·class="p"·data-group-id="8 | 150 | an·edited·module·is·to·compile·it:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nf">c</span><span·class="p"·data-group-id="0897518916-1">(</span><span·class="ss">my_module</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">debug_info</span><span·class="p"·data-group-id="0897518916-1">)</span><span·class="p">.</span><span·class="w"> |
| 151 | </span><span·class="p">.</span><span·class="o">/</span><span·class="ss">my_module</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">10</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="ss">t2</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">unused</span><span·class="w"> | 151 | </span><span·class="p">.</span><span·class="o">/</span><span·class="ss">my_module</span><span·class="p">.</span><span·class="nc">erl</span><span·class="p">:</span><span·class="mi">10</span><span·class="p">:</span><span·class="w">·</span><span·class="n">Warning</span><span·class="p">:</span><span·class="w">·</span><span·class="ss">function</span><span·class="w">·</span><span·class="ss">t2</span><span·class="p">/</span><span·class="mi">1</span><span·class="w">·</span><span·class="ss">is</span><span·class="w">·</span><span·class="ss">unused</span><span·class="w"> |
| 152 | </span><span·class="p"·data-group-id="8 | 152 | </span><span·class="p"·data-group-id="0897518916-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">my_module</span><span·class="p"·data-group-id="0897518916-2">}</span></code></pre><p>The·<code·class="inline">debug_info</code>·option·ensures·that·the·BEAM·file·contains·debug·information, |
| 153 | which·makes·it·possible·to·find·unused·local·functions.</p><p>The·module·can·now·be·checked·for·calls·to | 153 | which·makes·it·possible·to·find·unused·local·functions.</p><p>The·module·can·now·be·checked·for·calls·to |
| 154 | <a·href="xref.html#deprecated_function">deprecated·functions</a>,·calls·to | 154 | <a·href="xref.html#deprecated_function">deprecated·functions</a>,·calls·to |
| 155 | <a·href="xref.html#undefined_function">undefined·functions</a>,·and·for·unused·local | 155 | <a·href="xref.html#undefined_function">undefined·functions</a>,·and·for·unused·local |
| 156 | functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">m</span><span·class="p"·data-group-id="1 | 156 | functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">m</span><span·class="p"·data-group-id="1127685133-1">(</span><span·class="ss">my_module</span><span·class="p"·data-group-id="1127685133-1">)</span><span·class="w"> |
| 157 | </span><span·class="p"·data-group-id="1 | 157 | </span><span·class="p"·data-group-id="1127685133-2">[</span><span·class="p"·data-group-id="1127685133-3">{</span><span·class="ss">deprecated</span><span·class="p">,</span><span·class="p"·data-group-id="1127685133-4">[</span><span·class="p"·data-group-id="1127685133-4">]</span><span·class="p"·da[·...·truncated·by·diffoscope;·len:·23,·SHA:·c71171a40bba71073ec0b8e80d0538e38caff320c51b9cc1bd62e0b4f5e672a7·...·]-3">}</span><span·class="p">,</span><span·class="w"> |
| 158 | ·</span><span·class="p"·data-group-id="1 | 158 | ·</span><span·class="p"·data-group-id="1127685133-5">{</span><span·class="ss">undefined</span><span·class="p">,</span><span·class="p"·data-group-id="1127685133-6">[</span><span·class="p"·data-group-id="1127685133-7">{</span><span·class="p"·data-group-id="1127685133-8">{</span><span·class="ss">my[·...·truncated·by·diffoscope;·len:·574,·SHA:·067291bb63de08a1783ac3769d22aa3c2f089697ec55325ce9f6de338e9a4cd2·...·]-5">}</span><span·class="p">,</span><span·class="w"> |
| 159 | ·</span><span·class="p"·data-group-id="1 | 159 | ·</span><span·class="p"·data-group-id="1127685133-10">{</span><span·class="ss">unused</span><span·class="p">,</span><span·class="p"·data-group-id="1127685133-11">[</span><span·class="p"·data-group-id="1127685133-12">{</span><span·class="ss">my_module</span><span·class="p">,</span><span·class="ss[·...·truncated·by·diffoscope;·len:·263,·SHA:·c936d890c09b95e35f82a76d96bb3eae76d40cf22e877a48f1e461c031acf9f3·...·]-2">]</span></code></pre><p><code·class="inline">m/1</code>·is·also·suitable·for·checking·that·the·BEAM·file·of·a·module·that·is·about |
| 160 | to·be·loaded·into·a·running·a·system·does·not·call·any·undefined·functions.·In | 160 | to·be·loaded·into·a·running·a·system·does·not·call·any·undefined·functions.·In |
| 161 | either·case,·the·code·path·of·the·code·server·(see·the·module·<code·class="inline">code</code>)·is·used | 161 | either·case,·the·code·path·of·the·code·server·(see·the·module·<code·class="inline">code</code>)·is·used |
| 162 | for·finding·modules·that·export·externally·called·functions·not·exported·by·the | 162 | for·finding·modules·that·export·externally·called·functions·not·exported·by·the |
| 163 | checked·module·itself,·so·called·<a·href="xref.html#library_module">library·modules</a>.</p><h2·id="predefined-analysis"·class="section-heading"> | 163 | checked·module·itself,·so·called·<a·href="xref.html#library_module">library·modules</a>.</p><h2·id="predefined-analysis"·class="section-heading"> |
| 164 | ··<a·href="#predefined-analysis"·class="hover-link"> | 164 | ··<a·href="#predefined-analysis"·class="hover-link"> |
| 165 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 165 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 166 | ··</a> | 166 | ··</a> |
| 167 | ··<span·class="text">Predefined·Analysis</span> | 167 | ··<span·class="text">Predefined·Analysis</span> |
| 168 | </h2> | 168 | </h2> |
| 169 | <p>In·the·last·example·the·module·to·analyze·was·given·as·an·argument·to·<code·class="inline">m/1</code>,·and | 169 | <p>In·the·last·example·the·module·to·analyze·was·given·as·an·argument·to·<code·class="inline">m/1</code>,·and |
| 170 | the·code·path·was·(implicitly)·used·as·<a·href="xref.html#library_path">library·path</a>.·In | 170 | the·code·path·was·(implicitly)·used·as·<a·href="xref.html#library_path">library·path</a>.·In |
| 171 | this·example·an·<a·href="xref.html#xref_server">xref·server</a>·will·be·used,·which·makes·it | 171 | this·example·an·<a·href="xref.html#xref_server">xref·server</a>·will·be·used,·which·makes·it |
| 172 | possible·to·analyze·applications·and·releases,·and·also·to·select·the·library | 172 | possible·to·analyze·applications·and·releases,·and·also·to·select·the·library |
| 173 | path·explicitly.</p><p>Each·Xref·server·is·referred·to·by·a·unique·name.·The·name·is·given·when | 173 | path·explicitly.</p><p>Each·Xref·server·is·referred·to·by·a·unique·name.·The·name·is·given·when |
| 174 | creating·the·server:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 174 | creating·the·server:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">1>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="2984664599-1">(</span><span·class="ss">s</span><span·class="p"·data-group-id="2984664599-1">)</span><span·class="p">.</span><span·class="w"> |
| 175 | </span><span·class="p"·data-group-id=" | 175 | </span><span·class="p"·data-group-id="2984664599-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="o"><</span><span·class="mf">0.27</span><span·class="p">.</span><span·class="mi">0</span><span·class="o">></span><span·class="p"·data-group-id="2984664599-2">}</span></code></pre><p>Next·the·system·to·be·analyzed·is·added·to·the·Xref·server.·Here·the·system·will |
| 176 | be·OTP,·so·no·library·path·will·be·needed.·Otherwise,·when·analyzing·a·system | 176 | be·OTP,·so·no·library·path·will·be·needed.·Otherwise,·when·analyzing·a·system |
| 177 | that·uses·OTP,·the·OTP·modules·are·typically·made·library·modules·by·setting·the | 177 | that·uses·OTP,·the·OTP·modules·are·typically·made·library·modules·by·setting·the |
| 178 | library·path·to·the·default·OTP·code·path·(or·to·<code·class="inline">code_path</code>,·see·the | 178 | library·path·to·the·default·OTP·code·path·(or·to·<code·class="inline">code_path</code>,·see·the |
| 179 | <a·href="xref.html#code_path">reference·manual</a>).·By·default,·the·names·of·read·BEAM | 179 | <a·href="xref.html#code_path">reference·manual</a>).·By·default,·the·names·of·read·BEAM |
| 180 | files·and·warnings·are·output·when·adding·analyzed·modules,·but·these·messages | 180 | files·and·warnings·are·output·when·adding·analyzed·modules,·but·these·messages |
| 181 | can·be·avoided·by·setting·default·values·of·some·options:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">set_default</span><span·class="p"·data-group-id=" | 181 | can·be·avoided·by·setting·default·values·of·some·options:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">2>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">set_default</span><span·class="p"·data-group-id="7734187196-1">(</span><span·class="ss">s</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7734187196-2">[</span><span·class="p"·data-group-id="7734187196-3">{</span><span·class="ss">verbose</span><span·class="p">,</span>[·...·truncated·by·diffoscope;·len:·415,·SHA:·39d88c62db7d61be0a8060ccd82b8e9b6912717559d78d509a182425e0bd24b6·...·]-1">)</span><span·class="p">.</span><span·class="w"> |
| 182 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> | 182 | </span><span·class="ss">ok</span><span·class="gp·unselectable"> |
| 183 | 3>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">add_release</span><span·class="p"·data-group-id=" | 183 | 3>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">add_release</span><span·class="p"·data-group-id="7734187196-5">(</span><span·class="ss">s</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">lib_dir</span><span·class="p"·data-group-id="7734187196-6">(</span><span·class="p"·data-grou[·...·truncated·by·diffoscope;·len:·326,·SHA:·d51d52aedcd2dd49a25f5cabd5ebc8253b718f2615144ef6947b81071cf6bb3f·...·]-5">)</span><span·class="p">.</span><span·class="w"> |
| 184 | </span><span·class="p"·data-group-id=" | 184 | </span><span·class="p"·data-group-id="7734187196-8">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="ss">otp</span><span·class="p"·data-group-id="7734187196-8">}</span></code></pre><p><code·class="inline">add_release/3</code>·assumes·that·all·subdirectories·of·the·library·directory |
| 185 | returned·by·<a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#lib_dir/0"><code·class="inline">code:lib_dir()</code></a>·contain·applications; | 185 | returned·by·<a·href="../../../../lib/kernel-10.2.3/doc/html/code.html#lib_dir/0"><code·class="inline">code:lib_dir()</code></a>·contain·applications; |
| 186 | the·effect·is·that·of·reading·all·BEAM·files·for·the·application.</p><p>It·is·now·easy·to·check·the·release·for·calls·to·undefined·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">analyze</span><span·class="p"·data-group-id=" | 186 | the·effect·is·that·of·reading·all·BEAM·files·for·the·application.</p><p>It·is·now·easy·to·check·the·release·for·calls·to·undefined·functions:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">analyze</span><span·class="p"·data-group-id="0333409076-1">(</span><span·class="ss">s</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">undefined_function_calls</span><span·class="p"·data-group-id="0333409076-1">)</span><span·class="p">.</span><span·class="w"> |
| 187 | </span><span·class="p"·data-group-id=" | 187 | </span><span·class="p"·data-group-id="0333409076-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="0333409076-3">[</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="0333[·...·truncated·by·diffoscope;·len:·456,·SHA:·55e25b73ff93f63083d085a9403ea7f47016aa3f3fcc055535f0cb000108561e·...·]6-1">)</span><span·class="p">.</span></code></pre><p>The·check·for·calls·to·undefined·functions·is·an·example·of·a·predefined |
| 188 | analysis,·probably·the·most·useful·one.·Other·examples·are·the·analyses·that | 188 | analysis,·probably·the·most·useful·one.·Other·examples·are·the·analyses·that |
| 189 | find·unused·local·functions,·or·functions·that·call·some·given·functions.·See | 189 | find·unused·local·functions,·or·functions·that·call·some·given·functions.·See |
| 190 | the·<a·href="xref.html#analyze">analyze/2,3</a>·functions·for·a·complete·list·of·predefined | 190 | the·<a·href="xref.html#analyze">analyze/2,3</a>·functions·for·a·complete·list·of·predefined |
| 191 | analyses.</p><p>Each·predefined·analysis·is·a·shorthand·for·a·<a·href="xref.html#query">query</a>,·a | 191 | analyses.</p><p>Each·predefined·analysis·is·a·shorthand·for·a·<a·href="xref.html#query">query</a>,·a |
| 192 | sentence·of·a·tiny·language·providing·cross·reference·data·as·values·of | 192 | sentence·of·a·tiny·language·providing·cross·reference·data·as·values·of |
| 193 | <a·href="xref.html#predefined_variable">predefined·variables</a>.·The·check·for·calls·to | 193 | <a·href="xref.html#predefined_variable">predefined·variables</a>.·The·check·for·calls·to |
| 194 | undefined·functions·can·thus·be·stated·as·a·query:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">q</span><span·class="p"·data-group-id=" | 194 | undefined·functions·can·thus·be·stated·as·a·query:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">4>·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">q</span><span·class="p"·data-group-id="5203877043-1">(</span><span·class="ss">s</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"(XC·-·UC)·||·(XU·-·X·-·B)"</span><span·class="p"·data-group-id="5203877043-1">)</span><span·class="p">.</span><span·class="w"> |
| 195 | </span><span·class="p"·data-group-id=" | 195 | </span><span·class="p"·data-group-id="5203877043-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="p"·data-group-id="5203877043-3">[</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="5203877043-3">]</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·1234465e2acee2c7b980be02670c87f2bb894986a2cd3889cc3be9cdd6e667b6·...·]-2">}</span></code></pre><p>The·query·asks·for·the·restriction·of·external·calls·except·the·unresolved·calls |
| 196 | to·calls·to·functions·that·are·externally·used·but·neither·exported·nor·built-in | 196 | to·calls·to·functions·that·are·externally·used·but·neither·exported·nor·built-in |
| 197 | functions·(the·<code·class="inline">||</code>·operator·restricts·the·used·functions·while·the·<code·class="inline">|</code>·operator | 197 | functions·(the·<code·class="inline">||</code>·operator·restricts·the·used·functions·while·the·<code·class="inline">|</code>·operator |
| 198 | restricts·the·calling·functions).·The·<code·class="inline">-</code>·operator·returns·the·difference·of·two | 198 | restricts·the·calling·functions).·The·<code·class="inline">-</code>·operator·returns·the·difference·of·two |
| 199 | sets,·and·the·<code·class="inline">+</code>·operator·to·be·used·below·returns·the·union·of·two·sets.</p><p>The·relationships·between·the·predefined·variables·<code·class="inline">XU</code>,·<code·class="inline">X</code>,·<code·class="inline">B</code>·and·a·few | 199 | sets,·and·the·<code·class="inline">+</code>·operator·to·be·used·below·returns·the·union·of·two·sets.</p><p>The·relationships·between·the·predefined·variables·<code·class="inline">XU</code>,·<code·class="inline">X</code>,·<code·class="inline">B</code>·and·a·few |
| 200 | others·are·worth·elaborating·upon.·The·reference·manual·mentions·two·ways·of | 200 | others·are·worth·elaborating·upon.·The·reference·manual·mentions·two·ways·of |
| 201 | expressing·the·set·of·all·functions,·one·that·focuses·on·how·they·are·defined: | 201 | expressing·the·set·of·all·functions,·one·that·focuses·on·how·they·are·defined: |
| 202 | <code·class="inline">X + L + B + U</code>,·and·one·that·focuses·on·how·they·are·used:·<code·class="inline">UU + LU + XU</code>.·The | 202 | <code·class="inline">X + L + B + U</code>,·and·one·that·focuses·on·how·they·are·used:·<code·class="inline">UU + LU + XU</code>.·The |
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| 220 | </h2> | 220 | </h2> |
| 221 | <p>The·module·check·and·the·predefined·analyses·are·useful,·but·limited.·Sometimes | 221 | <p>The·module·check·and·the·predefined·analyses·are·useful,·but·limited.·Sometimes |
| 222 | more·flexibility·is·needed,·for·instance·one·might·not·need·to·apply·a·graph | 222 | more·flexibility·is·needed,·for·instance·one·might·not·need·to·apply·a·graph |
| 223 | analysis·on·all·calls,·but·some·subset·will·do·equally·well.·That·flexibility·is | 223 | analysis·on·all·calls,·but·some·subset·will·do·equally·well.·That·flexibility·is |
| 224 | provided·with·a·simple·language.·Below·are·some·expressions·of·the·language·with | 224 | provided·with·a·simple·language.·Below·are·some·expressions·of·the·language·with |
| 225 | comments,·focusing·on·elements·of·the·language·rather·than·providing·useful | 225 | comments,·focusing·on·elements·of·the·language·rather·than·providing·useful |
| 226 | examples.·The·analyzed·system·is·assumed·to·be·OTP,·so·in·order·to·run·the | 226 | examples.·The·analyzed·system·is·assumed·to·be·OTP,·so·in·order·to·run·the |
| 227 | queries,·first·evaluate·these·calls:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 227 | queries,·first·evaluate·these·calls:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="4529680879-1">(</span><span·class="ss">s</span><span·class="p"·data-group-id="4529680879-1">)</span><span·class="p">.</span><span·class="w"> |
| 228 | </span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">add_release</span><span·class="p"·data-group-id=" | 228 | </span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">add_release</span><span·class="p"·data-group-id="4529680879-2">(</span><span·class="ss">s</span><span·class="p">,</span><span·class="w">·</span><span·class="nc">code</span><span·class="p">:</span><span·class="nf">root_dir</span><span·class="p"·data-group-id="4529680879-3">(</span><span·class="p"·data-gro[·...·truncated·by·diffoscope;·len:·70,·SHA:·706f033189ed5d67ff0c6119298c68d825200c1a8473bb04c21e819b10e0d500·...·]-2">)</span><span·class="p">.</span></code></pre><ul><li><p><strong><code·class="inline">xref:q(s,·"(Fun)·xref·:·Mod").</code></strong>·-·All·functions·of·the·<code·class="inline">xref</code>·module.</p></li><li><p><strong><code·class="inline">xref:q(s,·"xref·:·Mod·*·X").</code></strong>·-·All·exported·functions·of·the·<code·class="inline">xref</code> |
| 229 | module.·The·first·operand·of·the·intersection·operator·<code·class="inline">*</code>·is·implicitly | 229 | module.·The·first·operand·of·the·intersection·operator·<code·class="inline">*</code>·is·implicitly |
| 230 | converted·to·the·more·special·type·of·the·second·operand.</p></li><li><p><strong><code·class="inline">xref:q(s,·"(Mod)·tools").</code></strong>·-·All·modules·of·the·Tools·application.</p></li><li><p><strong><code·class="inline">xref:q(s,·'"xref_.*"·:·Mod').</code></strong>·-·All·modules·with·a·name·beginning·with | 230 | converted·to·the·more·special·type·of·the·second·operand.</p></li><li><p><strong><code·class="inline">xref:q(s,·"(Mod)·tools").</code></strong>·-·All·modules·of·the·Tools·application.</p></li><li><p><strong><code·class="inline">xref:q(s,·'"xref_.*"·:·Mod').</code></strong>·-·All·modules·with·a·name·beginning·with |
| 231 | <code·class="inline">xref_</code>.</p></li><li><p><strong><code·class="inline">xref:q(s,·"#·E | X ").</code></strong>·-·Number·of·calls·from·exported·functions.</p></li><li><p><strong><code·class="inline">xref:q(s,·"XC || L ").</code></strong>·-·All·external·calls·to·local·functions.</p></li><li><p><strong><code·class="inline">xref:q(s,·"XC * LC").</code></strong>·-·All·calls·that·have·both·an·external·and·a·local | 231 | <code·class="inline">xref_</code>.</p></li><li><p><strong><code·class="inline">xref:q(s,·"#·E | X ").</code></strong>·-·Number·of·calls·from·exported·functions.</p></li><li><p><strong><code·class="inline">xref:q(s,·"XC || L ").</code></strong>·-·All·external·calls·to·local·functions.</p></li><li><p><strong><code·class="inline">xref:q(s,·"XC * LC").</code></strong>·-·All·calls·that·have·both·an·external·and·a·local |
| 232 | version.</p></li><li><p><strong><code·class="inline">xref:q(s,·"(LLin)·(LC·*·XC)").</code></strong>·-·The·lines·where·the·local·calls·of·the | 232 | version.</p></li><li><p><strong><code·class="inline">xref:q(s,·"(LLin)·(LC·*·XC)").</code></strong>·-·The·lines·where·the·local·calls·of·the |
| 233 | last·example·are·made.</p></li><li><p><strong><code·class="inline">xref:q(s,·"(XLin)·(LC·*·XC)").</code></strong>·-·The·lines·where·the·external·calls·of | 233 | last·example·are·made.</p></li><li><p><strong><code·class="inline">xref:q(s,·"(XLin)·(LC·*·XC)").</code></strong>·-·The·lines·where·the·external·calls·of |
| 234 | the·example·before·last·are·made.</p></li><li><p><strong><code·class="inline">xref:q(s,·"XC·*·(ME·-·strict·ME)").</code></strong>·-·External·calls·within·some·module.</p></li><li><p><strong><code·class="inline">xref:q(s,·"E ||| kernel").</code></strong>·-·All·calls·within·the·Kernel·application.</p></li><li><p><strong><code·class="inline">xref:q(s,·"closure E | kernel || kernel").</code></strong>·-·All·direct·and·indirect | 234 | the·example·before·last·are·made.</p></li><li><p><strong><code·class="inline">xref:q(s,·"XC·*·(ME·-·strict·ME)").</code></strong>·-·External·calls·within·some·module.</p></li><li><p><strong><code·class="inline">xref:q(s,·"E ||| kernel").</code></strong>·-·All·calls·within·the·Kernel·application.</p></li><li><p><strong><code·class="inline">xref:q(s,·"closure E | kernel || kernel").</code></strong>·-·All·direct·and·indirect |
| 235 | calls·within·the·Kernel·application.·Both·the·calling·and·the·used·functions | 235 | calls·within·the·Kernel·application.·Both·the·calling·and·the·used·functions |
| Offset 264, 26 lines modified | Offset 264, 26 lines modified | ||
| 264 | <code·class="inline">digraph</code>·representation·of·graphs)·has·to·be·explicitly·applied.</p><p>As·an·example·of·analyzing·indirect·calls,·the·following·Erlang·function·tries | 264 | <code·class="inline">digraph</code>·representation·of·graphs)·has·to·be·explicitly·applied.</p><p>As·an·example·of·analyzing·indirect·calls,·the·following·Erlang·function·tries |
| 265 | to·answer·the·question:·if·we·want·to·know·which·modules·are·used·indirectly·by | 265 | to·answer·the·question:·if·we·want·to·know·which·modules·are·used·indirectly·by |
| 266 | some·module(s),·is·it·worth·while·using·the | 266 | some·module(s),·is·it·worth·while·using·the |
| 267 | <a·href="xref.html#call_graph">function·graph</a>·rather·than·the·module·graph?·Recall·that | 267 | <a·href="xref.html#call_graph">function·graph</a>·rather·than·the·module·graph?·Recall·that |
| 268 | a·module·M1·is·said·to·call·a·module·M2·if·there·is·some·function·in·M1·that | 268 | a·module·M1·is·said·to·call·a·module·M2·if·there·is·some·function·in·M1·that |
| 269 | calls·some·function·in·M2.·It·would·be·nice·if·we·could·use·the·much·smaller | 269 | calls·some·function·in·M2.·It·would·be·nice·if·we·could·use·the·much·smaller |
| 270 | module·graph,·since·it·is·available·also·in·the·light·weight | 270 | module·graph,·since·it·is·available·also·in·the·light·weight |
| 271 | <code·class="inline">modules</code><a·href="xref.html#mode">mode</a>·of·Xref·servers.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">t</span><span·class="p"·data-group-id=" | 271 | <code·class="inline">modules</code><a·href="xref.html#mode">mode</a>·of·Xref·servers.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">t</span><span·class="p"·data-group-id="7153163058-1">(</span><span·class="n">S</span><span·class="p"·data-group-id="7153163058-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 272 | ··</span><span·class="p"·data-group-id=" | 272 | ··</span><span·class="p"·data-group-id="7153163058-2">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="p"·data-group-id="7153163058-2">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class[·...·truncated·by·diffoscope;·len:·285,·SHA:·57e759e465131ced356af1cf768f3613f7128b68679fcb5015248dacbb529889·...·]-3">)</span><span·class="p">,</span><span·class="w"> |
| 273 | ··</span><span·class="p"·data-group-id=" | 273 | ··</span><span·class="p"·data-group-id="7153163058-4">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ms</span><span·class="p"·data-group-id="7153163058-4">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·270,·SHA:·780f6239123792764db26517a3681c954dff2cbe2b784d9be76adc6d7942dddc·...·]-5">)</span><span·class="p">,</span><span·class="w"> |
| 274 | ··</span><span·class="n">Fun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 274 | ··</span><span·class="n">Fun</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="7153163058-6">(</span><span·class="n">M</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N</span><span·class="p"·data-group-id="7153163058-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 275 | ······</span><span·class="n">Q</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 275 | ······</span><span·class="n">Q</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">io_lib</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="7153163058-7">(</span><span·class="s">"#·(Mod)·(Eplus·|·</span><span·class="si">~p</span><span·class="s">·:·Mod)"</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="7153163058-8">[</span><span·class="n">M</span><[·...·truncated·by·diffoscope;·len:·93,·SHA:·047bf45ce05eac095275dbd307ee9e317b2e02d88837a13a290814dde33ec62b·...·]-7">)</span><span·class="p">,</span><span·class="w"> |
| 276 | ······</span><span·class="p"·data-group-id=" | 276 | ······</span><span·class="p"·data-group-id="7153163058-9">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">N0</span><span·class="p"·data-group-id="7153163058-9">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·clas[·...·truncated·by·diffoscope;·len:·450,·SHA:·ae2b3681fb54f60a228eb3735741d0b555ec0cdc00a2e9a30ca6ff92a5b1f070·...·]-10">)</span><span·class="p">,</span><span·class="w"> |
| 277 | ······</span><span·class="n">N</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">N0</span><span·class="w"> | 277 | ······</span><span·class="n">N</span><span·class="w">·</span><span·class="o">+</span><span·class="w">·</span><span·class="n">N0</span><span·class="w"> |
| 278 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> | 278 | ····</span><span·class="k">end</span><span·class="p">,</span><span·class="w"> |
| 279 | ··</span><span·class="n">Sum</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id=" | 279 | ··</span><span·class="n">Sum</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">foldl</span><span·class="p"·data-group-id="7153163058-12">(</span><span·class="n">Fun</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">0</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Ms</span><span·class="p"·data-group-id="7153163058-12">)</span><span·class="p">,</span><span·class="w"> |
| 280 | ··</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">forget</span><span·class="p"·data-group-id=" | 280 | ··</span><span·class="ss">ok</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xref</span><span·class="p">:</span><span·class="nf">forget</span><span·class="p"·data-group-id="7153163058-13">(</span><span·class="n">S</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">'Eplus'</span><span·class="p"·data-group-id="7153163058-13">)</span><span·class="p">,</span><span·class="w"> |
| 281 | ··</span><span·class="p"·data-group-id=" | 281 | ··</span><span·class="p"·data-group-id="7153163058-14">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Tot</span><span·class="p"·data-group-id="7153163058-14">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·c[·...·truncated·by·diffoscope;·len:·291,·SHA:·f449845aab0d25e316dba5ca984c9f42d5bdbc33c3998d4a75c669b7bc8911b1·...·]-15">)</span><span·class="p">,</span><span·class="w"> |
| 282 | ··</span><span·class="mi">100</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="p"·data-group-id=" | 282 | ··</span><span·class="mi">100</span><span·class="w">·</span><span·class="o">*</span><span·class="w">·</span><span·class="p"·data-group-id="7153163058-16">(</span><span·class="p"·data-group-id="7153163058-17">(</span><span·class="n">Tot</span><span·class="w">·</span><span·class="o">-</span><span·class="w">·</span><span·class="n">Sum</span><span·class="p"·data-group-id="7153163058-17">)</span><[·...·truncated·by·diffoscope;·len:·138,·SHA:·e042dcb0738b47cd570f48e7c6477f44c94a42f70b0490d6af569f6d356253cc·...·]-16">)</span><span·class="p">.</span></code></pre><p>Comments·on·the·code:</p><ul><li>We·want·to·find·the·reduction·of·the·closure·of·the·function·graph·to·modules. |
| 283 | The·direct·expression·for·doing·that·would·be·<code·class="inline">(Mod) (closure E | AM)</code>,·but | 283 | The·direct·expression·for·doing·that·would·be·<code·class="inline">(Mod) (closure E | AM)</code>,·but |
| 284 | then·we·would·have·to·represent·all·of·the·transitive·closure·of·E·in·memory. | 284 | then·we·would·have·to·represent·all·of·the·transitive·closure·of·E·in·memory. |
| 285 | Instead·the·number·of·indirectly·used·modules·is·found·for·each·analyzed | 285 | Instead·the·number·of·indirectly·used·modules·is·found·for·each·analyzed |
| 286 | module,·and·the·sum·over·all·modules·is·calculated.</li><li>A·user·variable·is·employed·for·holding·the·<code·class="inline">digraph</code>·representation·of·the | 286 | module,·and·the·sum·over·all·modules·is·calculated.</li><li>A·user·variable·is·employed·for·holding·the·<code·class="inline">digraph</code>·representation·of·the |
| 287 | function·graph·for·use·in·many·queries.·The·reason·is·efficiency.·As·opposed | 287 | function·graph·for·use·in·many·queries.·The·reason·is·efficiency.·As·opposed |
| 288 | to·the·<code·class="inline">=</code>·operator,·the·<code·class="inline">:=</code>·operator·saves·a·value·for·subsequent·analyses. | 288 | to·the·<code·class="inline">=</code>·operator,·the·<code·class="inline">:=</code>·operator·saves·a·value·for·subsequent·analyses. |
| 289 | Here·might·be·the·place·to·note·that·equal·subexpressions·within·a·query·are | 289 | Here·might·be·the·place·to·note·that·equal·subexpressions·within·a·query·are |
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| 350 | ······<p·class="built-using"> | 350 | ······<p·class="built-using"> |
| 351 | ········Built·using | 351 | ········Built·using |
| 352 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 352 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 353 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 353 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 354 | ······</p> | 354 | ······</p> |
| 355 | <p>Copyright·©·1996-202 | 355 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 356 | ····</footer> | 356 | ····</footer> |
| 357 | ··</div> | 357 | ··</div> |
| 358 | </main> | 358 | </main> |
| 359 | </div> | 359 | </div> |
| 360 | <script> | 360 | <script> |
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| 143 | ······<p·class="built-using"> | 143 | ······<p·class="built-using"> |
| 144 | ········Built·using | 144 | ········Built·using |
| 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 145 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 146 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 147 | ······</p> | 147 | ······</p> |
| 148 | <p>Copyright·©·1996-202 | 148 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 149 | ····</footer> | 149 | ····</footer> |
| 150 | ··</div> | 150 | ··</div> |
| 151 | </main> | 151 | </main> |
| 152 | </div> | 152 | </div> |
| 153 | <script> | 153 | <script> |
| 154 | ··function·mermaidLoaded()·{ | 154 | ··function·mermaidLoaded()·{ |
| 155 | ····mermaid.initialize({ | 155 | ····mermaid.initialize({ |
| Offset 2414, 15 lines modified | Offset 2414, 15 lines modified | ||
| 2414 | ······<p·class="built-using"> | 2414 | ······<p·class="built-using"> |
| 2415 | ········Built·using | 2415 | ········Built·using |
| 2416 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2416 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2417 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2417 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2418 | ······</p> | 2418 | ······</p> |
| 2419 | <p>Copyright·©·1996-202 | 2419 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2420 | ····</footer> | 2420 | ····</footer> |
| 2421 | ··</div> | 2421 | ··</div> |
| 2422 | </main> | 2422 | </main> |
| 2423 | </div> | 2423 | </div> |
| 2424 | <script> | 2424 | <script> |
| 2425 | ··function·mermaidLoaded()·{ | 2425 | ··function·mermaidLoaded()·{ |
| 2426 | ····mermaid.initialize({ | 2426 | ····mermaid.initialize({ |
| Offset 157, 21 lines modified | Offset 157, 21 lines modified | ||
| 157 | that·object.·Type·checking·is·done·so·that·a·module·only·operates·on·it's | 157 | that·object.·Type·checking·is·done·so·that·a·module·only·operates·on·it's |
| 158 | objects·or·inherited·classes.</p><p>An·object·is·created·with·<em>new</em>·and·destroyed·with·<em>destroy</em>.·Most·functions·in | 158 | objects·or·inherited·classes.</p><p>An·object·is·created·with·<em>new</em>·and·destroyed·with·<em>destroy</em>.·Most·functions·in |
| 159 | the·classes·are·named·the·same·as·their·C++·counterpart,·except·that·for | 159 | the·classes·are·named·the·same·as·their·C++·counterpart,·except·that·for |
| 160 | convenience,·in·erlang·they·start·with·a·lowercase·letter·and·the·first·argument | 160 | convenience,·in·erlang·they·start·with·a·lowercase·letter·and·the·first·argument |
| 161 | is·the·object·reference.·Optional·arguments·are·last·and·expressed·as·tagged | 161 | is·the·object·reference.·Optional·arguments·are·last·and·expressed·as·tagged |
| 162 | tuples·in·any·order.</p><p>For·example·the·<em>wxWindow</em>·C++·class·is·implemented·in·the·<em>wxWindow</em>·erlang | 162 | tuples·in·any·order.</p><p>For·example·the·<em>wxWindow</em>·C++·class·is·implemented·in·the·<em>wxWindow</em>·erlang |
| 163 | module·and·the·member·<em>wxWindow::CenterOnParent</em>·is·thus | 163 | module·and·the·member·<em>wxWindow::CenterOnParent</em>·is·thus |
| 164 | <em>wxWindow:centerOnParent</em>.·The·following·C++·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="ss">wxWindow</span><span·class="w">·</span><span·class="n">MyWin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">new</span><span·class="w">·</span><span·class="nf">wxWindow</span><span·class="p"·data-group-id="6 | 164 | <em>wxWindow:centerOnParent</em>.·The·following·C++·code:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="ss">wxWindow</span><span·class="w">·</span><span·class="n">MyWin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">new</span><span·class="w">·</span><span·class="nf">wxWindow</span><span·class="p"·data-group-id="6562969692-1">(</span><span·class="p"·data-group-id="6562969692-1">)</span><span·class="p">;</span><span·class="w"> |
| 165 | ··</span><span·class="n">MyWin</span><span·class="p">.</span><span·class="n">CenterOnParent</span><span·class="p"·data-group-id="6 | 165 | ··</span><span·class="n">MyWin</span><span·class="p">.</span><span·class="n">CenterOnParent</span><span·class="p"·data-group-id="6562969692-2">(</span><span·class="ss">wxVERTICAL</span><span·class="p"·data-group-id="6562969692-2">)</span><span·class="p">;</span><span·class="w"> |
| 166 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 166 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 167 | ··</span><span·class="ss">delete</span><span·class="w">·</span><span·class="n">MyWin</span><span·class="p">;</span></code></pre><p>would·in·erlang·look·like:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="n">MyWin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">wxWindow</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 167 | ··</span><span·class="ss">delete</span><span·class="w">·</span><span·class="n">MyWin</span><span·class="p">;</span></code></pre><p>would·in·erlang·look·like:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="n">MyWin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">wxWindow</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="3902524748-1">(</span><span·class="p"·data-group-id="3902524748-1">)</span><span·class="p">,</span><span·class="w"> |
| 168 | ··</span><span·class="nc">wxWindow</span><span·class="p">:</span><span·class="nf">centerOnParent</span><span·class="p"·data-group-id=" | 168 | ··</span><span·class="nc">wxWindow</span><span·class="p">:</span><span·class="nf">centerOnParent</span><span·class="p"·data-group-id="3902524748-2">(</span><span·class="n">MyWin</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="3902524748-3">[</span><span·class="p"·data-group-id="3902524748-4">{</span><span·class="ss">dir</span><span·class="p">,</span><[·...·truncated·by·diffoscope;·len:·204,·SHA:·228c8ecb1c966e54398b7b749c56a0b4f55887b700941fcd2fb0db5496f4e7a7·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 169 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 169 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 170 | ··</span><span·class="nc">wxWindow</span><span·class="p">:</span><span·class="nf">destroy</span><span·class="p"·data-group-id=" | 170 | ··</span><span·class="nc">wxWindow</span><span·class="p">:</span><span·class="nf">destroy</span><span·class="p"·data-group-id="3902524748-5">(</span><span·class="n">MyWin</span><span·class="p"·data-group-id="3902524748-5">)</span><span·class="p">,</span></code></pre><p>When·you·are·reading·wxWidgets·documentation·or·the·examples,·you·will·notice |
| 171 | that·some·of·the·most·basic·classes·are·missing·in·<em>wx</em>,·they·are·directly | 171 | that·some·of·the·most·basic·classes·are·missing·in·<em>wx</em>,·they·are·directly |
| 172 | mapped·to·corresponding·erlang·terms:</p><ul><li><p><strong><em>wxPoint</em>·is·represented·by·{Xcoord,Ycoord}</strong></p></li><li><p><strong><em>wxSize</em>·is·represented·by·{Width,Height}</strong></p></li><li><p><strong><em>wxRect</em>·is·represented·by·{Xcoord,Ycoord,Width,Height}</strong></p></li><li><p><strong><em>wxColour</em>·is·represented·by·{Red,Green,Blue[,Alpha]}</strong></p></li><li><p><strong><em>wxString</em>·is·represented·by | 172 | mapped·to·corresponding·erlang·terms:</p><ul><li><p><strong><em>wxPoint</em>·is·represented·by·{Xcoord,Ycoord}</strong></p></li><li><p><strong><em>wxSize</em>·is·represented·by·{Width,Height}</strong></p></li><li><p><strong><em>wxRect</em>·is·represented·by·{Xcoord,Ycoord,Width,Height}</strong></p></li><li><p><strong><em>wxColour</em>·is·represented·by·{Red,Green,Blue[,Alpha]}</strong></p></li><li><p><strong><em>wxString</em>·is·represented·by |
| 173 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/unicode.html#t:charlist/0">unicode:charlist()</a></strong></p></li><li><p><strong><em>wxGBPosition</em>·is·represented·by·{Row,Column}</strong></p></li><li><p><strong><em>wxGBSpan</em>·is·represented·by·{RowSpan,ColumnSPan}</strong></p></li><li><p><strong><em>wxGridCellCoords</em>·is·represented·by·{Row,Column}</strong></p></li></ul><p>In·the·places·where·the·erlang·API·differs·from·the·original·one·it·should·be | 173 | <a·href="../../../../lib/stdlib-6.2.1/doc/html/unicode.html#t:charlist/0">unicode:charlist()</a></strong></p></li><li><p><strong><em>wxGBPosition</em>·is·represented·by·{Row,Column}</strong></p></li><li><p><strong><em>wxGBSpan</em>·is·represented·by·{RowSpan,ColumnSPan}</strong></p></li><li><p><strong><em>wxGridCellCoords</em>·is·represented·by·{Row,Column}</strong></p></li></ul><p>In·the·places·where·the·erlang·API·differs·from·the·original·one·it·should·be |
| 174 | obvious·from·the·erlang·documentation·which·representation·has·been·used.·E.g. | 174 | obvious·from·the·erlang·documentation·which·representation·has·been·used.·E.g. |
| 175 | the·C++·arrays·and/or·lists·are·sometimes·represented·as·erlang·lists·and | 175 | the·C++·arrays·and/or·lists·are·sometimes·represented·as·erlang·lists·and |
| 176 | sometimes·as·tuples.</p><p>Colours·are·represented·with·{Red,Green,Blue[,Alpha]},·the·Alpha·value·is | 176 | sometimes·as·tuples.</p><p>Colours·are·represented·with·{Red,Green,Blue[,Alpha]},·the·Alpha·value·is |
| 177 | optional·when·used·as·an·argument·to·functions,·but·it·will·always·be·returned | 177 | optional·when·used·as·an·argument·to·functions,·but·it·will·always·be·returned |
| Offset 191, 22 lines modified | Offset 191, 22 lines modified | ||
| 191 | ··<span·class="text">Multiple·processes·and·memory·handling</span> | 191 | ··<span·class="text">Multiple·processes·and·memory·handling</span> |
| 192 | </h2> | 192 | </h2> |
| 193 | <p>The·intention·is·that·each·erlang·application·calls·wx:new()·once·to·setup·it's | 193 | <p>The·intention·is·that·each·erlang·application·calls·wx:new()·once·to·setup·it's |
| 194 | GUI·which·creates·an·environment·and·a·memory·mapping.·To·be·able·to·use·<em>wx</em> | 194 | GUI·which·creates·an·environment·and·a·memory·mapping.·To·be·able·to·use·<em>wx</em> |
| 195 | from·several·processes·in·your·application,·you·must·share·the·environment.·You | 195 | from·several·processes·in·your·application,·you·must·share·the·environment.·You |
| 196 | can·get·the·active·environment·with·<a·href="wx.html#get_env/0"><code·class="inline">wx:get_env/0</code></a>·and·set·it·in·the·new | 196 | can·get·the·active·environment·with·<a·href="wx.html#get_env/0"><code·class="inline">wx:get_env/0</code></a>·and·set·it·in·the·new |
| 197 | processes·with·<a·href="wx.html#set_env/1"><code·class="inline">wx:set_env/1</code></a>.·Two·processes·or·applications·which·have·both | 197 | processes·with·<a·href="wx.html#set_env/1"><code·class="inline">wx:set_env/1</code></a>.·Two·processes·or·applications·which·have·both |
| 198 | called·wx:new()·will·not·be·able·use·each·others·objects.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nc">wx</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 198 | called·wx:new()·will·not·be·able·use·each·others·objects.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="nc">wx</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="4889949226-1">(</span><span·class="p"·data-group-id="4889949226-1">)</span><span·class="p">,</span><span·class="w"> |
| 199 | ··</span><span·class="n">MyWin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">wxFrame</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 199 | ··</span><span·class="n">MyWin</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">wxFrame</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="4889949226-2">(</span><span·class="nc">wx</span><span·class="p">:</span><span·class="nf">null</span><span·class="p"·data-group-id="4889949226-3">(</span><span·class="p"·data-group-id="4889949226-3">)</span><span·class="p">,</span><span·class="w">·</span><s[·...·truncated·by·diffoscope;·len:·309,·SHA:·b9a18ed40161733205320f3b3e10df5587e536c8721b3765f668610d580dfed1·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 200 | ··</span><span·class="n">Env</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">wx</span><span·class="p">:</span><span·class="nf">get_env</span><span·class="p"·data-group-id=" | 200 | ··</span><span·class="n">Env</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">wx</span><span·class="p">:</span><span·class="nf">get_env</span><span·class="p"·data-group-id="4889949226-5">(</span><span·class="p"·data-group-id="4889949226-5">)</span><span·class="p">,</span><span·class="w"> |
| 201 | ··</span><span·class="nf">spawn</span><span·class="p"·data-group-id=" | 201 | ··</span><span·class="nf">spawn</span><span·class="p"·data-group-id="4889949226-6">(</span><span·class="nf">fun</span><span·class="p"·data-group-id="4889949226-7">(</span><span·class="p"·data-group-id="4889949226-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 202 | ···········</span><span·class="nc">wx</span><span·class="p">:</span><span·class="nf">set_env</span><span·class="p"·data-group-id=" | 202 | ···········</span><span·class="nc">wx</span><span·class="p">:</span><span·class="nf">set_env</span><span·class="p"·data-group-id="4889949226-8">(</span><span·class="n">Env</span><span·class="p"·data-group-id="4889949226-8">)</span><span·class="p">,</span><span·class="w"> |
| 203 | ···········</span><span·class="c1">%%·Here·you·can·do·wx·calls·from·your·helper·process.</span><span·class="w"> | 203 | ···········</span><span·class="c1">%%·Here·you·can·do·wx·calls·from·your·helper·process.</span><span·class="w"> |
| 204 | ···········</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 204 | ···········</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 205 | ········</span><span·class="k">end</span><span·class="p"·data-group-id=" | 205 | ········</span><span·class="k">end</span><span·class="p"·data-group-id="4889949226-6">)</span><span·class="p">,</span><span·class="w"> |
| 206 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>When·<a·href="wx.html#destroy/0"><code·class="inline">wx:destroy/0</code></a>·is·invoked·or·when·all·processes·in·the·application·have | 206 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><p>When·<a·href="wx.html#destroy/0"><code·class="inline">wx:destroy/0</code></a>·is·invoked·or·when·all·processes·in·the·application·have |
| 207 | died,·the·memory·is·deleted·and·all·windows·created·by·that·application·are | 207 | died,·the·memory·is·deleted·and·all·windows·created·by·that·application·are |
| 208 | closed.</p><p>The·<em>wx</em>·application·never·cleans·or·garbage·collects·memory·as·long·as·the·user | 208 | closed.</p><p>The·<em>wx</em>·application·never·cleans·or·garbage·collects·memory·as·long·as·the·user |
| 209 | application·is·alive.·Most·of·the·objects·are·deleted·when·a·window·is·closed, | 209 | application·is·alive.·Most·of·the·objects·are·deleted·when·a·window·is·closed, |
| 210 | or·at·least·all·the·objects·which·have·a·parent·argument·that·is·non·null.·By | 210 | or·at·least·all·the·objects·which·have·a·parent·argument·that·is·non·null.·By |
| 211 | using·<code·class="inline">wxCLASS:destroy/1</code>·when·possible·you·can·avoid·an·increasing·memory | 211 | using·<code·class="inline">wxCLASS:destroy/1</code>·when·possible·you·can·avoid·an·increasing·memory |
| 212 | usage.·This·is·especially·important·when·<em>wxWidgets</em>·assumes·or·recommends·that | 212 | usage.·This·is·especially·important·when·<em>wxWidgets</em>·assumes·or·recommends·that |
| Offset 304, 15 lines modified | Offset 304, 15 lines modified | ||
| 304 | ······<p·class="built-using"> | 304 | ······<p·class="built-using"> |
| 305 | ········Built·using | 305 | ········Built·using |
| 306 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 306 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 307 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 307 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 308 | ······</p> | 308 | ······</p> |
| 309 | <p>Copyright·©·1996-202 | 309 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 310 | ····</footer> | 310 | ····</footer> |
| 311 | ··</div> | 311 | ··</div> |
| 312 | </main> | 312 | </main> |
| 313 | </div> | 313 | </div> |
| 314 | <script> | 314 | <script> |
| 315 | ··function·mermaidLoaded()·{ | 315 | ··function·mermaidLoaded()·{ |
| 316 | ····mermaid.initialize({ | 316 | ····mermaid.initialize({ |
| Offset 39147, 15 lines modified | Offset 39147, 15 lines modified | ||
| 39147 | ······<p·class="built-using"> | 39147 | ······<p·class="built-using"> |
| 39148 | ········Built·using | 39148 | ········Built·using |
| 39149 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 39149 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 39150 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 39150 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 39151 | ······</p> | 39151 | ······</p> |
| 39152 | <p>Copyright·©·1996-202 | 39152 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 39153 | ····</footer> | 39153 | ····</footer> |
| 39154 | ··</div> | 39154 | ··</div> |
| 39155 | </main> | 39155 | </main> |
| 39156 | </div> | 39156 | </div> |
| 39157 | <script> | 39157 | <script> |
| 39158 | ··function·mermaidLoaded()·{ | 39158 | ··function·mermaidLoaded()·{ |
| 39159 | ····mermaid.initialize({ | 39159 | ····mermaid.initialize({ |
| Offset 1745, 15 lines modified | Offset 1745, 15 lines modified | ||
| 1745 | ······<p·class="built-using"> | 1745 | ······<p·class="built-using"> |
| 1746 | ········Built·using | 1746 | ········Built·using |
| 1747 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1747 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1748 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1748 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1749 | ······</p> | 1749 | ······</p> |
| 1750 | <p>Copyright·©·1996-202 | 1750 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1751 | ····</footer> | 1751 | ····</footer> |
| 1752 | ··</div> | 1752 | ··</div> |
| 1753 | </main> | 1753 | </main> |
| 1754 | </div> | 1754 | </div> |
| 1755 | <script> | 1755 | <script> |
| 1756 | ··function·mermaidLoaded()·{ | 1756 | ··function·mermaidLoaded()·{ |
| 1757 | ····mermaid.initialize({ | 1757 | ····mermaid.initialize({ |
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| 1078 | ······<p·class="built-using"> | 1078 | ······<p·class="built-using"> |
| 1079 | ········Built·using | 1079 | ········Built·using |
| 1080 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1080 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1081 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1081 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1082 | ······</p> | 1082 | ······</p> |
| 1083 | <p>Copyright·©·1996-202 | 1083 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1084 | ····</footer> | 1084 | ····</footer> |
| 1085 | ··</div> | 1085 | ··</div> |
| 1086 | </main> | 1086 | </main> |
| 1087 | </div> | 1087 | </div> |
| 1088 | <script> | 1088 | <script> |
| 1089 | ··function·mermaidLoaded()·{ | 1089 | ··function·mermaidLoaded()·{ |
| 1090 | ····mermaid.initialize({ | 1090 | ····mermaid.initialize({ |
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| 141 | ······<p·class="built-using"> | 141 | ······<p·class="built-using"> |
| 142 | ········Built·using | 142 | ········Built·using |
| 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 143 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 144 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 145 | ······</p> | 145 | ······</p> |
| 146 | <p>Copyright·©·1996-202 | 146 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 147 | ····</footer> | 147 | ····</footer> |
| 148 | ··</div> | 148 | ··</div> |
| 149 | </main> | 149 | </main> |
| 150 | </div> | 150 | </div> |
| 151 | <script> | 151 | <script> |
| 152 | ··function·mermaidLoaded()·{ | 152 | ··function·mermaidLoaded()·{ |
| 153 | ····mermaid.initialize({ | 153 | ····mermaid.initialize({ |
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| 1409 | ······<p·class="built-using"> | 1409 | ······<p·class="built-using"> |
| 1410 | ········Built·using | 1410 | ········Built·using |
| 1411 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1411 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1412 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1412 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1413 | ······</p> | 1413 | ······</p> |
| 1414 | <p>Copyright·©·1996-202 | 1414 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1415 | ····</footer> | 1415 | ····</footer> |
| 1416 | ··</div> | 1416 | ··</div> |
| 1417 | </main> | 1417 | </main> |
| 1418 | </div> | 1418 | </div> |
| 1419 | <script> | 1419 | <script> |
| 1420 | ··function·mermaidLoaded()·{ | 1420 | ··function·mermaidLoaded()·{ |
| 1421 | ····mermaid.initialize({ | 1421 | ····mermaid.initialize({ |
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| 538 | ······<p·class="built-using"> | 538 | ······<p·class="built-using"> |
| 539 | ········Built·using | 539 | ········Built·using |
| 540 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 540 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 541 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 541 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 542 | ······</p> | 542 | ······</p> |
| 543 | <p>Copyright·©·1996-202 | 543 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 544 | ····</footer> | 544 | ····</footer> |
| 545 | ··</div> | 545 | ··</div> |
| 546 | </main> | 546 | </main> |
| 547 | </div> | 547 | </div> |
| 548 | <script> | 548 | <script> |
| 549 | ··function·mermaidLoaded()·{ | 549 | ··function·mermaidLoaded()·{ |
| 550 | ····mermaid.initialize({ | 550 | ····mermaid.initialize({ |
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| 417 | ······<p·class="built-using"> | 417 | ······<p·class="built-using"> |
| 418 | ········Built·using | 418 | ········Built·using |
| 419 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 419 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 420 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 420 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 421 | ······</p> | 421 | ······</p> |
| 422 | <p>Copyright·©·1996-202 | 422 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 423 | ····</footer> | 423 | ····</footer> |
| 424 | ··</div> | 424 | ··</div> |
| 425 | </main> | 425 | </main> |
| 426 | </div> | 426 | </div> |
| 427 | <script> | 427 | <script> |
| 428 | ··function·mermaidLoaded()·{ | 428 | ··function·mermaidLoaded()·{ |
| 429 | ····mermaid.initialize({ | 429 | ····mermaid.initialize({ |
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| 342 | ······<p·class="built-using"> | 342 | ······<p·class="built-using"> |
| 343 | ········Built·using | 343 | ········Built·using |
| 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 346 | ······</p> | 346 | ······</p> |
| 347 | <p>Copyright·©·1996-202 | 347 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 348 | ····</footer> | 348 | ····</footer> |
| 349 | ··</div> | 349 | ··</div> |
| 350 | </main> | 350 | </main> |
| 351 | </div> | 351 | </div> |
| 352 | <script> | 352 | <script> |
| 353 | ··function·mermaidLoaded()·{ | 353 | ··function·mermaidLoaded()·{ |
| 354 | ····mermaid.initialize({ | 354 | ····mermaid.initialize({ |
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| 406 | ······<p·class="built-using"> | 406 | ······<p·class="built-using"> |
| 407 | ········Built·using | 407 | ········Built·using |
| 408 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 408 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 409 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 409 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 410 | ······</p> | 410 | ······</p> |
| 411 | <p>Copyright·©·1996-202 | 411 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 412 | ····</footer> | 412 | ····</footer> |
| 413 | ··</div> | 413 | ··</div> |
| 414 | </main> | 414 | </main> |
| 415 | </div> | 415 | </div> |
| 416 | <script> | 416 | <script> |
| 417 | ··function·mermaidLoaded()·{ | 417 | ··function·mermaidLoaded()·{ |
| 418 | ····mermaid.initialize({ | 418 | ····mermaid.initialize({ |
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| 455 | ······<p·class="built-using"> | 455 | ······<p·class="built-using"> |
| 456 | ········Built·using | 456 | ········Built·using |
| 457 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 457 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 458 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 458 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 459 | ······</p> | 459 | ······</p> |
| 460 | <p>Copyright·©·1996-202 | 460 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 461 | ····</footer> | 461 | ····</footer> |
| 462 | ··</div> | 462 | ··</div> |
| 463 | </main> | 463 | </main> |
| 464 | </div> | 464 | </div> |
| 465 | <script> | 465 | <script> |
| 466 | ··function·mermaidLoaded()·{ | 466 | ··function·mermaidLoaded()·{ |
| 467 | ····mermaid.initialize({ | 467 | ····mermaid.initialize({ |
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| 1409 | ······<p·class="built-using"> | 1409 | ······<p·class="built-using"> |
| 1410 | ········Built·using | 1410 | ········Built·using |
| 1411 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1411 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1412 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1412 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1413 | ······</p> | 1413 | ······</p> |
| 1414 | <p>Copyright·©·1996-202 | 1414 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1415 | ····</footer> | 1415 | ····</footer> |
| 1416 | ··</div> | 1416 | ··</div> |
| 1417 | </main> | 1417 | </main> |
| 1418 | </div> | 1418 | </div> |
| 1419 | <script> | 1419 | <script> |
| 1420 | ··function·mermaidLoaded()·{ | 1420 | ··function·mermaidLoaded()·{ |
| 1421 | ····mermaid.initialize({ | 1421 | ····mermaid.initialize({ |
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| 784 | ······<p·class="built-using"> | 784 | ······<p·class="built-using"> |
| 785 | ········Built·using | 785 | ········Built·using |
| 786 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 786 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 787 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 787 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 788 | ······</p> | 788 | ······</p> |
| 789 | <p>Copyright·©·1996-202 | 789 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 790 | ····</footer> | 790 | ····</footer> |
| 791 | ··</div> | 791 | ··</div> |
| 792 | </main> | 792 | </main> |
| 793 | </div> | 793 | </div> |
| 794 | <script> | 794 | <script> |
| 795 | ··function·mermaidLoaded()·{ | 795 | ··function·mermaidLoaded()·{ |
| 796 | ····mermaid.initialize({ | 796 | ····mermaid.initialize({ |
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| 1365 | ······<p·class="built-using"> | 1365 | ······<p·class="built-using"> |
| 1366 | ········Built·using | 1366 | ········Built·using |
| 1367 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1367 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1368 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1368 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1369 | ······</p> | 1369 | ······</p> |
| 1370 | <p>Copyright·©·1996-202 | 1370 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1371 | ····</footer> | 1371 | ····</footer> |
| 1372 | ··</div> | 1372 | ··</div> |
| 1373 | </main> | 1373 | </main> |
| 1374 | </div> | 1374 | </div> |
| 1375 | <script> | 1375 | <script> |
| 1376 | ··function·mermaidLoaded()·{ | 1376 | ··function·mermaidLoaded()·{ |
| 1377 | ····mermaid.initialize({ | 1377 | ····mermaid.initialize({ |
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| 537 | ······<p·class="built-using"> | 537 | ······<p·class="built-using"> |
| 538 | ········Built·using | 538 | ········Built·using |
| 539 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 539 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 540 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 540 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 541 | ······</p> | 541 | ······</p> |
| 542 | <p>Copyright·©·1996-202 | 542 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 543 | ····</footer> | 543 | ····</footer> |
| 544 | ··</div> | 544 | ··</div> |
| 545 | </main> | 545 | </main> |
| 546 | </div> | 546 | </div> |
| 547 | <script> | 547 | <script> |
| 548 | ··function·mermaidLoaded()·{ | 548 | ··function·mermaidLoaded()·{ |
| 549 | ····mermaid.initialize({ | 549 | ····mermaid.initialize({ |
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| 3891 | ······<p·class="built-using"> | 3891 | ······<p·class="built-using"> |
| 3892 | ········Built·using | 3892 | ········Built·using |
| 3893 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3893 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3894 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3894 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3895 | ······</p> | 3895 | ······</p> |
| 3896 | <p>Copyright·©·1996-202 | 3896 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3897 | ····</footer> | 3897 | ····</footer> |
| 3898 | ··</div> | 3898 | ··</div> |
| 3899 | </main> | 3899 | </main> |
| 3900 | </div> | 3900 | </div> |
| 3901 | <script> | 3901 | <script> |
| 3902 | ··function·mermaidLoaded()·{ | 3902 | ··function·mermaidLoaded()·{ |
| 3903 | ····mermaid.initialize({ | 3903 | ····mermaid.initialize({ |
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| 306 | ······<p·class="built-using"> | 306 | ······<p·class="built-using"> |
| 307 | ········Built·using | 307 | ········Built·using |
| 308 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 308 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 309 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 309 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 310 | ······</p> | 310 | ······</p> |
| 311 | <p>Copyright·©·1996-202 | 311 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 312 | ····</footer> | 312 | ····</footer> |
| 313 | ··</div> | 313 | ··</div> |
| 314 | </main> | 314 | </main> |
| 315 | </div> | 315 | </div> |
| 316 | <script> | 316 | <script> |
| 317 | ··function·mermaidLoaded()·{ | 317 | ··function·mermaidLoaded()·{ |
| 318 | ····mermaid.initialize({ | 318 | ····mermaid.initialize({ |
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| 451 | ······<p·class="built-using"> | 451 | ······<p·class="built-using"> |
| 452 | ········Built·using | 452 | ········Built·using |
| 453 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 453 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 454 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 454 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 455 | ······</p> | 455 | ······</p> |
| 456 | <p>Copyright·©·1996-202 | 456 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 457 | ····</footer> | 457 | ····</footer> |
| 458 | ··</div> | 458 | ··</div> |
| 459 | </main> | 459 | </main> |
| 460 | </div> | 460 | </div> |
| 461 | <script> | 461 | <script> |
| 462 | ··function·mermaidLoaded()·{ | 462 | ··function·mermaidLoaded()·{ |
| 463 | ····mermaid.initialize({ | 463 | ····mermaid.initialize({ |
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| 1317 | ······<p·class="built-using"> | 1317 | ······<p·class="built-using"> |
| 1318 | ········Built·using | 1318 | ········Built·using |
| 1319 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1319 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1320 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1320 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1321 | ······</p> | 1321 | ······</p> |
| 1322 | <p>Copyright·©·1996-202 | 1322 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1323 | ····</footer> | 1323 | ····</footer> |
| 1324 | ··</div> | 1324 | ··</div> |
| 1325 | </main> | 1325 | </main> |
| 1326 | </div> | 1326 | </div> |
| 1327 | <script> | 1327 | <script> |
| 1328 | ··function·mermaidLoaded()·{ | 1328 | ··function·mermaidLoaded()·{ |
| 1329 | ····mermaid.initialize({ | 1329 | ····mermaid.initialize({ |
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| 531 | ······<p·class="built-using"> | 531 | ······<p·class="built-using"> |
| 532 | ········Built·using | 532 | ········Built·using |
| 533 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 533 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 534 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 534 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 535 | ······</p> | 535 | ······</p> |
| 536 | <p>Copyright·©·1996-202 | 536 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 537 | ····</footer> | 537 | ····</footer> |
| 538 | ··</div> | 538 | ··</div> |
| 539 | </main> | 539 | </main> |
| 540 | </div> | 540 | </div> |
| 541 | <script> | 541 | <script> |
| 542 | ··function·mermaidLoaded()·{ | 542 | ··function·mermaidLoaded()·{ |
| 543 | ····mermaid.initialize({ | 543 | ····mermaid.initialize({ |
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| 418 | ······<p·class="built-using"> | 418 | ······<p·class="built-using"> |
| 419 | ········Built·using | 419 | ········Built·using |
| 420 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 420 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 421 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 421 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 422 | ······</p> | 422 | ······</p> |
| 423 | <p>Copyright·©·1996-202 | 423 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 424 | ····</footer> | 424 | ····</footer> |
| 425 | ··</div> | 425 | ··</div> |
| 426 | </main> | 426 | </main> |
| 427 | </div> | 427 | </div> |
| 428 | <script> | 428 | <script> |
| 429 | ··function·mermaidLoaded()·{ | 429 | ··function·mermaidLoaded()·{ |
| 430 | ····mermaid.initialize({ | 430 | ····mermaid.initialize({ |
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| 916 | ······<p·class="built-using"> | 916 | ······<p·class="built-using"> |
| 917 | ········Built·using | 917 | ········Built·using |
| 918 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 918 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 919 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 919 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 920 | ······</p> | 920 | ······</p> |
| 921 | <p>Copyright·©·1996-202 | 921 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 922 | ····</footer> | 922 | ····</footer> |
| 923 | ··</div> | 923 | ··</div> |
| 924 | </main> | 924 | </main> |
| 925 | </div> | 925 | </div> |
| 926 | <script> | 926 | <script> |
| 927 | ··function·mermaidLoaded()·{ | 927 | ··function·mermaidLoaded()·{ |
| 928 | ····mermaid.initialize({ | 928 | ····mermaid.initialize({ |
| Offset 459, 15 lines modified | Offset 459, 15 lines modified | ||
| 459 | ······<p·class="built-using"> | 459 | ······<p·class="built-using"> |
| 460 | ········Built·using | 460 | ········Built·using |
| 461 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 461 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 462 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 462 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 463 | ······</p> | 463 | ······</p> |
| 464 | <p>Copyright·©·1996-202 | 464 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 465 | ····</footer> | 465 | ····</footer> |
| 466 | ··</div> | 466 | ··</div> |
| 467 | </main> | 467 | </main> |
| 468 | </div> | 468 | </div> |
| 469 | <script> | 469 | <script> |
| 470 | ··function·mermaidLoaded()·{ | 470 | ··function·mermaidLoaded()·{ |
| 471 | ····mermaid.initialize({ | 471 | ····mermaid.initialize({ |
| Offset 342, 15 lines modified | Offset 342, 15 lines modified | ||
| 342 | ······<p·class="built-using"> | 342 | ······<p·class="built-using"> |
| 343 | ········Built·using | 343 | ········Built·using |
| 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 346 | ······</p> | 346 | ······</p> |
| 347 | <p>Copyright·©·1996-202 | 347 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 348 | ····</footer> | 348 | ····</footer> |
| 349 | ··</div> | 349 | ··</div> |
| 350 | </main> | 350 | </main> |
| 351 | </div> | 351 | </div> |
| 352 | <script> | 352 | <script> |
| 353 | ··function·mermaidLoaded()·{ | 353 | ··function·mermaidLoaded()·{ |
| 354 | ····mermaid.initialize({ | 354 | ····mermaid.initialize({ |
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| 716 | ······<p·class="built-using"> | 716 | ······<p·class="built-using"> |
| 717 | ········Built·using | 717 | ········Built·using |
| 718 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 718 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 719 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 719 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 720 | ······</p> | 720 | ······</p> |
| 721 | <p>Copyright·©·1996-202 | 721 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 722 | ····</footer> | 722 | ····</footer> |
| 723 | ··</div> | 723 | ··</div> |
| 724 | </main> | 724 | </main> |
| 725 | </div> | 725 | </div> |
| 726 | <script> | 726 | <script> |
| 727 | ··function·mermaidLoaded()·{ | 727 | ··function·mermaidLoaded()·{ |
| 728 | ····mermaid.initialize({ | 728 | ····mermaid.initialize({ |
| Offset 549, 15 lines modified | Offset 549, 15 lines modified | ||
| 549 | ······<p·class="built-using"> | 549 | ······<p·class="built-using"> |
| 550 | ········Built·using | 550 | ········Built·using |
| 551 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 551 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 552 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 552 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 553 | ······</p> | 553 | ······</p> |
| 554 | <p>Copyright·©·1996-202 | 554 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 555 | ····</footer> | 555 | ····</footer> |
| 556 | ··</div> | 556 | ··</div> |
| 557 | </main> | 557 | </main> |
| 558 | </div> | 558 | </div> |
| 559 | <script> | 559 | <script> |
| 560 | ··function·mermaidLoaded()·{ | 560 | ··function·mermaidLoaded()·{ |
| 561 | ····mermaid.initialize({ | 561 | ····mermaid.initialize({ |
| Offset 394, 15 lines modified | Offset 394, 15 lines modified | ||
| 394 | ······<p·class="built-using"> | 394 | ······<p·class="built-using"> |
| 395 | ········Built·using | 395 | ········Built·using |
| 396 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 396 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 397 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 397 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 398 | ······</p> | 398 | ······</p> |
| 399 | <p>Copyright·©·1996-202 | 399 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 400 | ····</footer> | 400 | ····</footer> |
| 401 | ··</div> | 401 | ··</div> |
| 402 | </main> | 402 | </main> |
| 403 | </div> | 403 | </div> |
| 404 | <script> | 404 | <script> |
| 405 | ··function·mermaidLoaded()·{ | 405 | ··function·mermaidLoaded()·{ |
| 406 | ····mermaid.initialize({ | 406 | ····mermaid.initialize({ |
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| 891 | ······<p·class="built-using"> | 891 | ······<p·class="built-using"> |
| 892 | ········Built·using | 892 | ········Built·using |
| 893 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 893 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 894 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 894 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 895 | ······</p> | 895 | ······</p> |
| 896 | <p>Copyright·©·1996-202 | 896 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 897 | ····</footer> | 897 | ····</footer> |
| 898 | ··</div> | 898 | ··</div> |
| 899 | </main> | 899 | </main> |
| 900 | </div> | 900 | </div> |
| 901 | <script> | 901 | <script> |
| 902 | ··function·mermaidLoaded()·{ | 902 | ··function·mermaidLoaded()·{ |
| 903 | ····mermaid.initialize({ | 903 | ····mermaid.initialize({ |
| Offset 1340, 15 lines modified | Offset 1340, 15 lines modified | ||
| 1340 | ······<p·class="built-using"> | 1340 | ······<p·class="built-using"> |
| 1341 | ········Built·using | 1341 | ········Built·using |
| 1342 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1342 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1343 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1343 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1344 | ······</p> | 1344 | ······</p> |
| 1345 | <p>Copyright·©·1996-202 | 1345 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1346 | ····</footer> | 1346 | ····</footer> |
| 1347 | ··</div> | 1347 | ··</div> |
| 1348 | </main> | 1348 | </main> |
| 1349 | </div> | 1349 | </div> |
| 1350 | <script> | 1350 | <script> |
| 1351 | ··function·mermaidLoaded()·{ | 1351 | ··function·mermaidLoaded()·{ |
| 1352 | ····mermaid.initialize({ | 1352 | ····mermaid.initialize({ |
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| 998 | ······<p·class="built-using"> | 998 | ······<p·class="built-using"> |
| 999 | ········Built·using | 999 | ········Built·using |
| 1000 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1000 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1001 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1001 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1002 | ······</p> | 1002 | ······</p> |
| 1003 | <p>Copyright·©·1996-202 | 1003 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1004 | ····</footer> | 1004 | ····</footer> |
| 1005 | ··</div> | 1005 | ··</div> |
| 1006 | </main> | 1006 | </main> |
| 1007 | </div> | 1007 | </div> |
| 1008 | <script> | 1008 | <script> |
| 1009 | ··function·mermaidLoaded()·{ | 1009 | ··function·mermaidLoaded()·{ |
| 1010 | ····mermaid.initialize({ | 1010 | ····mermaid.initialize({ |
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| 379 | ······<p·class="built-using"> | 379 | ······<p·class="built-using"> |
| 380 | ········Built·using | 380 | ········Built·using |
| 381 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 381 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 382 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 382 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 383 | ······</p> | 383 | ······</p> |
| 384 | <p>Copyright·©·1996-202 | 384 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 385 | ····</footer> | 385 | ····</footer> |
| 386 | ··</div> | 386 | ··</div> |
| 387 | </main> | 387 | </main> |
| 388 | </div> | 388 | </div> |
| 389 | <script> | 389 | <script> |
| 390 | ··function·mermaidLoaded()·{ | 390 | ··function·mermaidLoaded()·{ |
| 391 | ····mermaid.initialize({ | 391 | ····mermaid.initialize({ |
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| 942 | ······<p·class="built-using"> | 942 | ······<p·class="built-using"> |
| 943 | ········Built·using | 943 | ········Built·using |
| 944 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 944 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 945 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 945 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 946 | ······</p> | 946 | ······</p> |
| 947 | <p>Copyright·©·1996-202 | 947 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 948 | ····</footer> | 948 | ····</footer> |
| 949 | ··</div> | 949 | ··</div> |
| 950 | </main> | 950 | </main> |
| 951 | </div> | 951 | </div> |
| 952 | <script> | 952 | <script> |
| 953 | ··function·mermaidLoaded()·{ | 953 | ··function·mermaidLoaded()·{ |
| 954 | ····mermaid.initialize({ | 954 | ····mermaid.initialize({ |
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| 745 | ······<p·class="built-using"> | 745 | ······<p·class="built-using"> |
| 746 | ········Built·using | 746 | ········Built·using |
| 747 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 747 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 748 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 748 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 749 | ······</p> | 749 | ······</p> |
| 750 | <p>Copyright·©·1996-202 | 750 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 751 | ····</footer> | 751 | ····</footer> |
| 752 | ··</div> | 752 | ··</div> |
| 753 | </main> | 753 | </main> |
| 754 | </div> | 754 | </div> |
| 755 | <script> | 755 | <script> |
| 756 | ··function·mermaidLoaded()·{ | 756 | ··function·mermaidLoaded()·{ |
| 757 | ····mermaid.initialize({ | 757 | ····mermaid.initialize({ |
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| 502 | ······<p·class="built-using"> | 502 | ······<p·class="built-using"> |
| 503 | ········Built·using | 503 | ········Built·using |
| 504 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 504 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 505 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 505 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 506 | ······</p> | 506 | ······</p> |
| 507 | <p>Copyright·©·1996-202 | 507 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 508 | ····</footer> | 508 | ····</footer> |
| 509 | ··</div> | 509 | ··</div> |
| 510 | </main> | 510 | </main> |
| 511 | </div> | 511 | </div> |
| 512 | <script> | 512 | <script> |
| 513 | ··function·mermaidLoaded()·{ | 513 | ··function·mermaidLoaded()·{ |
| 514 | ····mermaid.initialize({ | 514 | ····mermaid.initialize({ |
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| 347 | ······<p·class="built-using"> | 347 | ······<p·class="built-using"> |
| 348 | ········Built·using | 348 | ········Built·using |
| 349 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 349 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 350 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 350 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 351 | ······</p> | 351 | ······</p> |
| 352 | <p>Copyright·©·1996-202 | 352 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 353 | ····</footer> | 353 | ····</footer> |
| 354 | ··</div> | 354 | ··</div> |
| 355 | </main> | 355 | </main> |
| 356 | </div> | 356 | </div> |
| 357 | <script> | 357 | <script> |
| 358 | ··function·mermaidLoaded()·{ | 358 | ··function·mermaidLoaded()·{ |
| 359 | ····mermaid.initialize({ | 359 | ····mermaid.initialize({ |
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| 636 | ······<p·class="built-using"> | 636 | ······<p·class="built-using"> |
| 637 | ········Built·using | 637 | ········Built·using |
| 638 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 638 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 639 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 639 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 640 | ······</p> | 640 | ······</p> |
| 641 | <p>Copyright·©·1996-202 | 641 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 642 | ····</footer> | 642 | ····</footer> |
| 643 | ··</div> | 643 | ··</div> |
| 644 | </main> | 644 | </main> |
| 645 | </div> | 645 | </div> |
| 646 | <script> | 646 | <script> |
| 647 | ··function·mermaidLoaded()·{ | 647 | ··function·mermaidLoaded()·{ |
| 648 | ····mermaid.initialize({ | 648 | ····mermaid.initialize({ |
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| 1308 | ······<p·class="built-using"> | 1308 | ······<p·class="built-using"> |
| 1309 | ········Built·using | 1309 | ········Built·using |
| 1310 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1310 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1311 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1311 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1312 | ······</p> | 1312 | ······</p> |
| 1313 | <p>Copyright·©·1996-202 | 1313 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1314 | ····</footer> | 1314 | ····</footer> |
| 1315 | ··</div> | 1315 | ··</div> |
| 1316 | </main> | 1316 | </main> |
| 1317 | </div> | 1317 | </div> |
| 1318 | <script> | 1318 | <script> |
| 1319 | ··function·mermaidLoaded()·{ | 1319 | ··function·mermaidLoaded()·{ |
| 1320 | ····mermaid.initialize({ | 1320 | ····mermaid.initialize({ |
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| 313 | ······<p·class="built-using"> | 313 | ······<p·class="built-using"> |
| 314 | ········Built·using | 314 | ········Built·using |
| 315 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 315 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 316 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 316 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 317 | ······</p> | 317 | ······</p> |
| 318 | <p>Copyright·©·1996-202 | 318 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 319 | ····</footer> | 319 | ····</footer> |
| 320 | ··</div> | 320 | ··</div> |
| 321 | </main> | 321 | </main> |
| 322 | </div> | 322 | </div> |
| 323 | <script> | 323 | <script> |
| 324 | ··function·mermaidLoaded()·{ | 324 | ··function·mermaidLoaded()·{ |
| 325 | ····mermaid.initialize({ | 325 | ····mermaid.initialize({ |
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| 767 | ······<p·class="built-using"> | 767 | ······<p·class="built-using"> |
| 768 | ········Built·using | 768 | ········Built·using |
| 769 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 769 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 770 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 770 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 771 | ······</p> | 771 | ······</p> |
| 772 | <p>Copyright·©·1996-202 | 772 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 773 | ····</footer> | 773 | ····</footer> |
| 774 | ··</div> | 774 | ··</div> |
| 775 | </main> | 775 | </main> |
| 776 | </div> | 776 | </div> |
| 777 | <script> | 777 | <script> |
| 778 | ··function·mermaidLoaded()·{ | 778 | ··function·mermaidLoaded()·{ |
| 779 | ····mermaid.initialize({ | 779 | ····mermaid.initialize({ |
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| 296 | ······<p·class="built-using"> | 296 | ······<p·class="built-using"> |
| 297 | ········Built·using | 297 | ········Built·using |
| 298 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 298 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 299 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 299 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 300 | ······</p> | 300 | ······</p> |
| 301 | <p>Copyright·©·1996-202 | 301 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 302 | ····</footer> | 302 | ····</footer> |
| 303 | ··</div> | 303 | ··</div> |
| 304 | </main> | 304 | </main> |
| 305 | </div> | 305 | </div> |
| 306 | <script> | 306 | <script> |
| 307 | ··function·mermaidLoaded()·{ | 307 | ··function·mermaidLoaded()·{ |
| 308 | ····mermaid.initialize({ | 308 | ····mermaid.initialize({ |
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| 540 | ······<p·class="built-using"> | 540 | ······<p·class="built-using"> |
| 541 | ········Built·using | 541 | ········Built·using |
| 542 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 542 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 543 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 543 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 544 | ······</p> | 544 | ······</p> |
| 545 | <p>Copyright·©·1996-202 | 545 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 546 | ····</footer> | 546 | ····</footer> |
| 547 | ··</div> | 547 | ··</div> |
| 548 | </main> | 548 | </main> |
| 549 | </div> | 549 | </div> |
| 550 | <script> | 550 | <script> |
| 551 | ··function·mermaidLoaded()·{ | 551 | ··function·mermaidLoaded()·{ |
| 552 | ····mermaid.initialize({ | 552 | ····mermaid.initialize({ |
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| 526 | ······<p·class="built-using"> | 526 | ······<p·class="built-using"> |
| 527 | ········Built·using | 527 | ········Built·using |
| 528 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 528 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 529 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 529 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 530 | ······</p> | 530 | ······</p> |
| 531 | <p>Copyright·©·1996-202 | 531 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 532 | ····</footer> | 532 | ····</footer> |
| 533 | ··</div> | 533 | ··</div> |
| 534 | </main> | 534 | </main> |
| 535 | </div> | 535 | </div> |
| 536 | <script> | 536 | <script> |
| 537 | ··function·mermaidLoaded()·{ | 537 | ··function·mermaidLoaded()·{ |
| 538 | ····mermaid.initialize({ | 538 | ····mermaid.initialize({ |
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| 497 | ······<p·class="built-using"> | 497 | ······<p·class="built-using"> |
| 498 | ········Built·using | 498 | ········Built·using |
| 499 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 499 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 500 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 500 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 501 | ······</p> | 501 | ······</p> |
| 502 | <p>Copyright·©·1996-202 | 502 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 503 | ····</footer> | 503 | ····</footer> |
| 504 | ··</div> | 504 | ··</div> |
| 505 | </main> | 505 | </main> |
| 506 | </div> | 506 | </div> |
| 507 | <script> | 507 | <script> |
| 508 | ··function·mermaidLoaded()·{ | 508 | ··function·mermaidLoaded()·{ |
| 509 | ····mermaid.initialize({ | 509 | ····mermaid.initialize({ |
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| 561 | ······<p·class="built-using"> | 561 | ······<p·class="built-using"> |
| 562 | ········Built·using | 562 | ········Built·using |
| 563 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 563 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 564 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 564 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 565 | ······</p> | 565 | ······</p> |
| 566 | <p>Copyright·©·1996-202 | 566 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 567 | ····</footer> | 567 | ····</footer> |
| 568 | ··</div> | 568 | ··</div> |
| 569 | </main> | 569 | </main> |
| 570 | </div> | 570 | </div> |
| 571 | <script> | 571 | <script> |
| 572 | ··function·mermaidLoaded()·{ | 572 | ··function·mermaidLoaded()·{ |
| 573 | ····mermaid.initialize({ | 573 | ····mermaid.initialize({ |
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| 344 | ······<p·class="built-using"> | 344 | ······<p·class="built-using"> |
| 345 | ········Built·using | 345 | ········Built·using |
| 346 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 346 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 347 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 347 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 348 | ······</p> | 348 | ······</p> |
| 349 | <p>Copyright·©·1996-202 | 349 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 350 | ····</footer> | 350 | ····</footer> |
| 351 | ··</div> | 351 | ··</div> |
| 352 | </main> | 352 | </main> |
| 353 | </div> | 353 | </div> |
| 354 | <script> | 354 | <script> |
| 355 | ··function·mermaidLoaded()·{ | 355 | ··function·mermaidLoaded()·{ |
| 356 | ····mermaid.initialize({ | 356 | ····mermaid.initialize({ |
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| 1244 | ······<p·class="built-using"> | 1244 | ······<p·class="built-using"> |
| 1245 | ········Built·using | 1245 | ········Built·using |
| 1246 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1246 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1247 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1247 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1248 | ······</p> | 1248 | ······</p> |
| 1249 | <p>Copyright·©·1996-202 | 1249 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1250 | ····</footer> | 1250 | ····</footer> |
| 1251 | ··</div> | 1251 | ··</div> |
| 1252 | </main> | 1252 | </main> |
| 1253 | </div> | 1253 | </div> |
| 1254 | <script> | 1254 | <script> |
| 1255 | ··function·mermaidLoaded()·{ | 1255 | ··function·mermaidLoaded()·{ |
| 1256 | ····mermaid.initialize({ | 1256 | ····mermaid.initialize({ |
| Offset 664, 15 lines modified | Offset 664, 15 lines modified | ||
| 664 | ······<p·class="built-using"> | 664 | ······<p·class="built-using"> |
| 665 | ········Built·using | 665 | ········Built·using |
| 666 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 666 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 667 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 667 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 668 | ······</p> | 668 | ······</p> |
| 669 | <p>Copyright·©·1996-202 | 669 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 670 | ····</footer> | 670 | ····</footer> |
| 671 | ··</div> | 671 | ··</div> |
| 672 | </main> | 672 | </main> |
| 673 | </div> | 673 | </div> |
| 674 | <script> | 674 | <script> |
| 675 | ··function·mermaidLoaded()·{ | 675 | ··function·mermaidLoaded()·{ |
| 676 | ····mermaid.initialize({ | 676 | ····mermaid.initialize({ |
| Offset 391, 15 lines modified | Offset 391, 15 lines modified | ||
| 391 | ······<p·class="built-using"> | 391 | ······<p·class="built-using"> |
| 392 | ········Built·using | 392 | ········Built·using |
| 393 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 393 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 394 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 394 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 395 | ······</p> | 395 | ······</p> |
| 396 | <p>Copyright·©·1996-202 | 396 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 397 | ····</footer> | 397 | ····</footer> |
| 398 | ··</div> | 398 | ··</div> |
| 399 | </main> | 399 | </main> |
| 400 | </div> | 400 | </div> |
| 401 | <script> | 401 | <script> |
| 402 | ··function·mermaidLoaded()·{ | 402 | ··function·mermaidLoaded()·{ |
| 403 | ····mermaid.initialize({ | 403 | ····mermaid.initialize({ |
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| 318 | ······<p·class="built-using"> | 318 | ······<p·class="built-using"> |
| 319 | ········Built·using | 319 | ········Built·using |
| 320 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 320 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 321 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 321 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 322 | ······</p> | 322 | ······</p> |
| 323 | <p>Copyright·©·1996-202 | 323 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 324 | ····</footer> | 324 | ····</footer> |
| 325 | ··</div> | 325 | ··</div> |
| 326 | </main> | 326 | </main> |
| 327 | </div> | 327 | </div> |
| 328 | <script> | 328 | <script> |
| 329 | ··function·mermaidLoaded()·{ | 329 | ··function·mermaidLoaded()·{ |
| 330 | ····mermaid.initialize({ | 330 | ····mermaid.initialize({ |
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| 1121 | ······<p·class="built-using"> | 1121 | ······<p·class="built-using"> |
| 1122 | ········Built·using | 1122 | ········Built·using |
| 1123 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1123 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1124 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1124 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1125 | ······</p> | 1125 | ······</p> |
| 1126 | <p>Copyright·©·1996-202 | 1126 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1127 | ····</footer> | 1127 | ····</footer> |
| 1128 | ··</div> | 1128 | ··</div> |
| 1129 | </main> | 1129 | </main> |
| 1130 | </div> | 1130 | </div> |
| 1131 | <script> | 1131 | <script> |
| 1132 | ··function·mermaidLoaded()·{ | 1132 | ··function·mermaidLoaded()·{ |
| 1133 | ····mermaid.initialize({ | 1133 | ····mermaid.initialize({ |
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| 463 | ······<p·class="built-using"> | 463 | ······<p·class="built-using"> |
| 464 | ········Built·using | 464 | ········Built·using |
| 465 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 465 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 466 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 466 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 467 | ······</p> | 467 | ······</p> |
| 468 | <p>Copyright·©·1996-202 | 468 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 469 | ····</footer> | 469 | ····</footer> |
| 470 | ··</div> | 470 | ··</div> |
| 471 | </main> | 471 | </main> |
| 472 | </div> | 472 | </div> |
| 473 | <script> | 473 | <script> |
| 474 | ··function·mermaidLoaded()·{ | 474 | ··function·mermaidLoaded()·{ |
| 475 | ····mermaid.initialize({ | 475 | ····mermaid.initialize({ |
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| 3866 | ······<p·class="built-using"> | 3866 | ······<p·class="built-using"> |
| 3867 | ········Built·using | 3867 | ········Built·using |
| 3868 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3868 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3869 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3869 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3870 | ······</p> | 3870 | ······</p> |
| 3871 | <p>Copyright·©·1996-202 | 3871 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3872 | ····</footer> | 3872 | ····</footer> |
| 3873 | ··</div> | 3873 | ··</div> |
| 3874 | </main> | 3874 | </main> |
| 3875 | </div> | 3875 | </div> |
| 3876 | <script> | 3876 | <script> |
| 3877 | ··function·mermaidLoaded()·{ | 3877 | ··function·mermaidLoaded()·{ |
| 3878 | ····mermaid.initialize({ | 3878 | ····mermaid.initialize({ |
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| 385 | ······<p·class="built-using"> | 385 | ······<p·class="built-using"> |
| 386 | ········Built·using | 386 | ········Built·using |
| 387 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 387 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 388 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 388 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 389 | ······</p> | 389 | ······</p> |
| 390 | <p>Copyright·©·1996-202 | 390 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 391 | ····</footer> | 391 | ····</footer> |
| 392 | ··</div> | 392 | ··</div> |
| 393 | </main> | 393 | </main> |
| 394 | </div> | 394 | </div> |
| 395 | <script> | 395 | <script> |
| 396 | ··function·mermaidLoaded()·{ | 396 | ··function·mermaidLoaded()·{ |
| 397 | ····mermaid.initialize({ | 397 | ····mermaid.initialize({ |
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| 252 | ······<p·class="built-using"> | 252 | ······<p·class="built-using"> |
| 253 | ········Built·using | 253 | ········Built·using |
| 254 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 254 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 255 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 255 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 256 | ······</p> | 256 | ······</p> |
| 257 | <p>Copyright·©·1996-202 | 257 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 258 | ····</footer> | 258 | ····</footer> |
| 259 | ··</div> | 259 | ··</div> |
| 260 | </main> | 260 | </main> |
| 261 | </div> | 261 | </div> |
| 262 | <script> | 262 | <script> |
| 263 | ··function·mermaidLoaded()·{ | 263 | ··function·mermaidLoaded()·{ |
| 264 | ····mermaid.initialize({ | 264 | ····mermaid.initialize({ |
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| 336 | ······<p·class="built-using"> | 336 | ······<p·class="built-using"> |
| 337 | ········Built·using | 337 | ········Built·using |
| 338 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 338 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 339 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 339 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 340 | ······</p> | 340 | ······</p> |
| 341 | <p>Copyright·©·1996-202 | 341 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 342 | ····</footer> | 342 | ····</footer> |
| 343 | ··</div> | 343 | ··</div> |
| 344 | </main> | 344 | </main> |
| 345 | </div> | 345 | </div> |
| 346 | <script> | 346 | <script> |
| 347 | ··function·mermaidLoaded()·{ | 347 | ··function·mermaidLoaded()·{ |
| 348 | ····mermaid.initialize({ | 348 | ····mermaid.initialize({ |
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| 570 | ······<p·class="built-using"> | 570 | ······<p·class="built-using"> |
| 571 | ········Built·using | 571 | ········Built·using |
| 572 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 572 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 573 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 573 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 574 | ······</p> | 574 | ······</p> |
| 575 | <p>Copyright·©·1996-202 | 575 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 576 | ····</footer> | 576 | ····</footer> |
| 577 | ··</div> | 577 | ··</div> |
| 578 | </main> | 578 | </main> |
| 579 | </div> | 579 | </div> |
| 580 | <script> | 580 | <script> |
| 581 | ··function·mermaidLoaded()·{ | 581 | ··function·mermaidLoaded()·{ |
| 582 | ····mermaid.initialize({ | 582 | ····mermaid.initialize({ |
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| 921 | ······<p·class="built-using"> | 921 | ······<p·class="built-using"> |
| 922 | ········Built·using | 922 | ········Built·using |
| 923 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 923 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 924 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 924 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 925 | ······</p> | 925 | ······</p> |
| 926 | <p>Copyright·©·1996-202 | 926 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 927 | ····</footer> | 927 | ····</footer> |
| 928 | ··</div> | 928 | ··</div> |
| 929 | </main> | 929 | </main> |
| 930 | </div> | 930 | </div> |
| 931 | <script> | 931 | <script> |
| 932 | ··function·mermaidLoaded()·{ | 932 | ··function·mermaidLoaded()·{ |
| 933 | ····mermaid.initialize({ | 933 | ····mermaid.initialize({ |
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| 515 | ······<p·class="built-using"> | 515 | ······<p·class="built-using"> |
| 516 | ········Built·using | 516 | ········Built·using |
| 517 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 517 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 518 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 518 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 519 | ······</p> | 519 | ······</p> |
| 520 | <p>Copyright·©·1996-202 | 520 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 521 | ····</footer> | 521 | ····</footer> |
| 522 | ··</div> | 522 | ··</div> |
| 523 | </main> | 523 | </main> |
| 524 | </div> | 524 | </div> |
| 525 | <script> | 525 | <script> |
| 526 | ··function·mermaidLoaded()·{ | 526 | ··function·mermaidLoaded()·{ |
| 527 | ····mermaid.initialize({ | 527 | ····mermaid.initialize({ |
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| 569 | ······<p·class="built-using"> | 569 | ······<p·class="built-using"> |
| 570 | ········Built·using | 570 | ········Built·using |
| 571 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 571 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 572 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 572 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 573 | ······</p> | 573 | ······</p> |
| 574 | <p>Copyright·©·1996-202 | 574 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 575 | ····</footer> | 575 | ····</footer> |
| 576 | ··</div> | 576 | ··</div> |
| 577 | </main> | 577 | </main> |
| 578 | </div> | 578 | </div> |
| 579 | <script> | 579 | <script> |
| 580 | ··function·mermaidLoaded()·{ | 580 | ··function·mermaidLoaded()·{ |
| 581 | ····mermaid.initialize({ | 581 | ····mermaid.initialize({ |
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| 675 | ······<p·class="built-using"> | 675 | ······<p·class="built-using"> |
| 676 | ········Built·using | 676 | ········Built·using |
| 677 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 677 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 678 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 678 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 679 | ······</p> | 679 | ······</p> |
| 680 | <p>Copyright·©·1996-202 | 680 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 681 | ····</footer> | 681 | ····</footer> |
| 682 | ··</div> | 682 | ··</div> |
| 683 | </main> | 683 | </main> |
| 684 | </div> | 684 | </div> |
| 685 | <script> | 685 | <script> |
| 686 | ··function·mermaidLoaded()·{ | 686 | ··function·mermaidLoaded()·{ |
| 687 | ····mermaid.initialize({ | 687 | ····mermaid.initialize({ |
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| 289 | ······<p·class="built-using"> | 289 | ······<p·class="built-using"> |
| 290 | ········Built·using | 290 | ········Built·using |
| 291 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 291 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 292 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 292 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 293 | ······</p> | 293 | ······</p> |
| 294 | <p>Copyright·©·1996-202 | 294 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 295 | ····</footer> | 295 | ····</footer> |
| 296 | ··</div> | 296 | ··</div> |
| 297 | </main> | 297 | </main> |
| 298 | </div> | 298 | </div> |
| 299 | <script> | 299 | <script> |
| 300 | ··function·mermaidLoaded()·{ | 300 | ··function·mermaidLoaded()·{ |
| 301 | ····mermaid.initialize({ | 301 | ····mermaid.initialize({ |
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| 420 | ······<p·class="built-using"> | 420 | ······<p·class="built-using"> |
| 421 | ········Built·using | 421 | ········Built·using |
| 422 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 422 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 423 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 423 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 424 | ······</p> | 424 | ······</p> |
| 425 | <p>Copyright·©·1996-202 | 425 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 426 | ····</footer> | 426 | ····</footer> |
| 427 | ··</div> | 427 | ··</div> |
| 428 | </main> | 428 | </main> |
| 429 | </div> | 429 | </div> |
| 430 | <script> | 430 | <script> |
| 431 | ··function·mermaidLoaded()·{ | 431 | ··function·mermaidLoaded()·{ |
| 432 | ····mermaid.initialize({ | 432 | ····mermaid.initialize({ |
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| 346 | ······<p·class="built-using"> | 346 | ······<p·class="built-using"> |
| 347 | ········Built·using | 347 | ········Built·using |
| 348 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 348 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 349 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 349 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 350 | ······</p> | 350 | ······</p> |
| 351 | <p>Copyright·©·1996-202 | 351 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 352 | ····</footer> | 352 | ····</footer> |
| 353 | ··</div> | 353 | ··</div> |
| 354 | </main> | 354 | </main> |
| 355 | </div> | 355 | </div> |
| 356 | <script> | 356 | <script> |
| 357 | ··function·mermaidLoaded()·{ | 357 | ··function·mermaidLoaded()·{ |
| 358 | ····mermaid.initialize({ | 358 | ····mermaid.initialize({ |
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| 575 | ······<p·class="built-using"> | 575 | ······<p·class="built-using"> |
| 576 | ········Built·using | 576 | ········Built·using |
| 577 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 577 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 578 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 578 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 579 | ······</p> | 579 | ······</p> |
| 580 | <p>Copyright·©·1996-202 | 580 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 581 | ····</footer> | 581 | ····</footer> |
| 582 | ··</div> | 582 | ··</div> |
| 583 | </main> | 583 | </main> |
| 584 | </div> | 584 | </div> |
| 585 | <script> | 585 | <script> |
| 586 | ··function·mermaidLoaded()·{ | 586 | ··function·mermaidLoaded()·{ |
| 587 | ····mermaid.initialize({ | 587 | ····mermaid.initialize({ |
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| 644 | ······<p·class="built-using"> | 644 | ······<p·class="built-using"> |
| 645 | ········Built·using | 645 | ········Built·using |
| 646 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 646 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 647 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 647 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 648 | ······</p> | 648 | ······</p> |
| 649 | <p>Copyright·©·1996-202 | 649 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 650 | ····</footer> | 650 | ····</footer> |
| 651 | ··</div> | 651 | ··</div> |
| 652 | </main> | 652 | </main> |
| 653 | </div> | 653 | </div> |
| 654 | <script> | 654 | <script> |
| 655 | ··function·mermaidLoaded()·{ | 655 | ··function·mermaidLoaded()·{ |
| 656 | ····mermaid.initialize({ | 656 | ····mermaid.initialize({ |
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| 379 | ······<p·class="built-using"> | 379 | ······<p·class="built-using"> |
| 380 | ········Built·using | 380 | ········Built·using |
| 381 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 381 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 382 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 382 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 383 | ······</p> | 383 | ······</p> |
| 384 | <p>Copyright·©·1996-202 | 384 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 385 | ····</footer> | 385 | ····</footer> |
| 386 | ··</div> | 386 | ··</div> |
| 387 | </main> | 387 | </main> |
| 388 | </div> | 388 | </div> |
| 389 | <script> | 389 | <script> |
| 390 | ··function·mermaidLoaded()·{ | 390 | ··function·mermaidLoaded()·{ |
| 391 | ····mermaid.initialize({ | 391 | ····mermaid.initialize({ |
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| 902 | ······<p·class="built-using"> | 902 | ······<p·class="built-using"> |
| 903 | ········Built·using | 903 | ········Built·using |
| 904 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 904 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 905 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 905 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 906 | ······</p> | 906 | ······</p> |
| 907 | <p>Copyright·©·1996-202 | 907 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 908 | ····</footer> | 908 | ····</footer> |
| 909 | ··</div> | 909 | ··</div> |
| 910 | </main> | 910 | </main> |
| 911 | </div> | 911 | </div> |
| 912 | <script> | 912 | <script> |
| 913 | ··function·mermaidLoaded()·{ | 913 | ··function·mermaidLoaded()·{ |
| 914 | ····mermaid.initialize({ | 914 | ····mermaid.initialize({ |
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| 344 | ······<p·class="built-using"> | 344 | ······<p·class="built-using"> |
| 345 | ········Built·using | 345 | ········Built·using |
| 346 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 346 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 347 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 347 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 348 | ······</p> | 348 | ······</p> |
| 349 | <p>Copyright·©·1996-202 | 349 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 350 | ····</footer> | 350 | ····</footer> |
| 351 | ··</div> | 351 | ··</div> |
| 352 | </main> | 352 | </main> |
| 353 | </div> | 353 | </div> |
| 354 | <script> | 354 | <script> |
| 355 | ··function·mermaidLoaded()·{ | 355 | ··function·mermaidLoaded()·{ |
| 356 | ····mermaid.initialize({ | 356 | ····mermaid.initialize({ |
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| 572 | ······<p·class="built-using"> | 572 | ······<p·class="built-using"> |
| 573 | ········Built·using | 573 | ········Built·using |
| 574 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 574 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 575 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 575 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 576 | ······</p> | 576 | ······</p> |
| 577 | <p>Copyright·©·1996-202 | 577 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 578 | ····</footer> | 578 | ····</footer> |
| 579 | ··</div> | 579 | ··</div> |
| 580 | </main> | 580 | </main> |
| 581 | </div> | 581 | </div> |
| 582 | <script> | 582 | <script> |
| 583 | ··function·mermaidLoaded()·{ | 583 | ··function·mermaidLoaded()·{ |
| 584 | ····mermaid.initialize({ | 584 | ····mermaid.initialize({ |
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| 560 | ······<p·class="built-using"> | 560 | ······<p·class="built-using"> |
| 561 | ········Built·using | 561 | ········Built·using |
| 562 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 562 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 563 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 563 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 564 | ······</p> | 564 | ······</p> |
| 565 | <p>Copyright·©·1996-202 | 565 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 566 | ····</footer> | 566 | ····</footer> |
| 567 | ··</div> | 567 | ··</div> |
| 568 | </main> | 568 | </main> |
| 569 | </div> | 569 | </div> |
| 570 | <script> | 570 | <script> |
| 571 | ··function·mermaidLoaded()·{ | 571 | ··function·mermaidLoaded()·{ |
| 572 | ····mermaid.initialize({ | 572 | ····mermaid.initialize({ |
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| 508 | ······<p·class="built-using"> | 508 | ······<p·class="built-using"> |
| 509 | ········Built·using | 509 | ········Built·using |
| 510 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 510 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 511 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 511 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 512 | ······</p> | 512 | ······</p> |
| 513 | <p>Copyright·©·1996-202 | 513 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 514 | ····</footer> | 514 | ····</footer> |
| 515 | ··</div> | 515 | ··</div> |
| 516 | </main> | 516 | </main> |
| 517 | </div> | 517 | </div> |
| 518 | <script> | 518 | <script> |
| 519 | ··function·mermaidLoaded()·{ | 519 | ··function·mermaidLoaded()·{ |
| 520 | ····mermaid.initialize({ | 520 | ····mermaid.initialize({ |
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| 815 | ······<p·class="built-using"> | 815 | ······<p·class="built-using"> |
| 816 | ········Built·using | 816 | ········Built·using |
| 817 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 817 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 818 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 818 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 819 | ······</p> | 819 | ······</p> |
| 820 | <p>Copyright·©·1996-202 | 820 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 821 | ····</footer> | 821 | ····</footer> |
| 822 | ··</div> | 822 | ··</div> |
| 823 | </main> | 823 | </main> |
| 824 | </div> | 824 | </div> |
| 825 | <script> | 825 | <script> |
| 826 | ··function·mermaidLoaded()·{ | 826 | ··function·mermaidLoaded()·{ |
| 827 | ····mermaid.initialize({ | 827 | ····mermaid.initialize({ |
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| 352 | ······<p·class="built-using"> | 352 | ······<p·class="built-using"> |
| 353 | ········Built·using | 353 | ········Built·using |
| 354 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 354 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 355 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 355 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 356 | ······</p> | 356 | ······</p> |
| 357 | <p>Copyright·©·1996-202 | 357 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 358 | ····</footer> | 358 | ····</footer> |
| 359 | ··</div> | 359 | ··</div> |
| 360 | </main> | 360 | </main> |
| 361 | </div> | 361 | </div> |
| 362 | <script> | 362 | <script> |
| 363 | ··function·mermaidLoaded()·{ | 363 | ··function·mermaidLoaded()·{ |
| 364 | ····mermaid.initialize({ | 364 | ····mermaid.initialize({ |
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| 1157 | ······<p·class="built-using"> | 1157 | ······<p·class="built-using"> |
| 1158 | ········Built·using | 1158 | ········Built·using |
| 1159 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1159 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1160 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1160 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1161 | ······</p> | 1161 | ······</p> |
| 1162 | <p>Copyright·©·1996-202 | 1162 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1163 | ····</footer> | 1163 | ····</footer> |
| 1164 | ··</div> | 1164 | ··</div> |
| 1165 | </main> | 1165 | </main> |
| 1166 | </div> | 1166 | </div> |
| 1167 | <script> | 1167 | <script> |
| 1168 | ··function·mermaidLoaded()·{ | 1168 | ··function·mermaidLoaded()·{ |
| 1169 | ····mermaid.initialize({ | 1169 | ····mermaid.initialize({ |
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| 811 | ······<p·class="built-using"> | 811 | ······<p·class="built-using"> |
| 812 | ········Built·using | 812 | ········Built·using |
| 813 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 813 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 814 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 814 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 815 | ······</p> | 815 | ······</p> |
| 816 | <p>Copyright·©·1996-202 | 816 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 817 | ····</footer> | 817 | ····</footer> |
| 818 | ··</div> | 818 | ··</div> |
| 819 | </main> | 819 | </main> |
| 820 | </div> | 820 | </div> |
| 821 | <script> | 821 | <script> |
| 822 | ··function·mermaidLoaded()·{ | 822 | ··function·mermaidLoaded()·{ |
| 823 | ····mermaid.initialize({ | 823 | ····mermaid.initialize({ |
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| 420 | ······<p·class="built-using"> | 420 | ······<p·class="built-using"> |
| 421 | ········Built·using | 421 | ········Built·using |
| 422 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 422 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 423 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 423 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 424 | ······</p> | 424 | ······</p> |
| 425 | <p>Copyright·©·1996-202 | 425 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 426 | ····</footer> | 426 | ····</footer> |
| 427 | ··</div> | 427 | ··</div> |
| 428 | </main> | 428 | </main> |
| 429 | </div> | 429 | </div> |
| 430 | <script> | 430 | <script> |
| 431 | ··function·mermaidLoaded()·{ | 431 | ··function·mermaidLoaded()·{ |
| 432 | ····mermaid.initialize({ | 432 | ····mermaid.initialize({ |
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| 637 | ······<p·class="built-using"> | 637 | ······<p·class="built-using"> |
| 638 | ········Built·using | 638 | ········Built·using |
| 639 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 639 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 640 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 640 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 641 | ······</p> | 641 | ······</p> |
| 642 | <p>Copyright·©·1996-202 | 642 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 643 | ····</footer> | 643 | ····</footer> |
| 644 | ··</div> | 644 | ··</div> |
| 645 | </main> | 645 | </main> |
| 646 | </div> | 646 | </div> |
| 647 | <script> | 647 | <script> |
| 648 | ··function·mermaidLoaded()·{ | 648 | ··function·mermaidLoaded()·{ |
| 649 | ····mermaid.initialize({ | 649 | ····mermaid.initialize({ |
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| 343 | ······<p·class="built-using"> | 343 | ······<p·class="built-using"> |
| 344 | ········Built·using | 344 | ········Built·using |
| 345 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 345 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 346 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 346 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 347 | ······</p> | 347 | ······</p> |
| 348 | <p>Copyright·©·1996-202 | 348 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 349 | ····</footer> | 349 | ····</footer> |
| 350 | ··</div> | 350 | ··</div> |
| 351 | </main> | 351 | </main> |
| 352 | </div> | 352 | </div> |
| 353 | <script> | 353 | <script> |
| 354 | ··function·mermaidLoaded()·{ | 354 | ··function·mermaidLoaded()·{ |
| 355 | ····mermaid.initialize({ | 355 | ····mermaid.initialize({ |
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| 1234 | ······<p·class="built-using"> | 1234 | ······<p·class="built-using"> |
| 1235 | ········Built·using | 1235 | ········Built·using |
| 1236 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1236 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1237 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1237 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1238 | ······</p> | 1238 | ······</p> |
| 1239 | <p>Copyright·©·1996-202 | 1239 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1240 | ····</footer> | 1240 | ····</footer> |
| 1241 | ··</div> | 1241 | ··</div> |
| 1242 | </main> | 1242 | </main> |
| 1243 | </div> | 1243 | </div> |
| 1244 | <script> | 1244 | <script> |
| 1245 | ··function·mermaidLoaded()·{ | 1245 | ··function·mermaidLoaded()·{ |
| 1246 | ····mermaid.initialize({ | 1246 | ····mermaid.initialize({ |
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| 218 | ······<p·class="built-using"> | 218 | ······<p·class="built-using"> |
| 219 | ········Built·using | 219 | ········Built·using |
| 220 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 220 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 221 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 221 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 222 | ······</p> | 222 | ······</p> |
| 223 | <p>Copyright·©·1996-202 | 223 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 224 | ····</footer> | 224 | ····</footer> |
| 225 | ··</div> | 225 | ··</div> |
| 226 | </main> | 226 | </main> |
| 227 | </div> | 227 | </div> |
| 228 | <script> | 228 | <script> |
| 229 | ··function·mermaidLoaded()·{ | 229 | ··function·mermaidLoaded()·{ |
| 230 | ····mermaid.initialize({ | 230 | ····mermaid.initialize({ |
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| 428 | ······<p·class="built-using"> | 428 | ······<p·class="built-using"> |
| 429 | ········Built·using | 429 | ········Built·using |
| 430 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 430 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 431 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 431 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 432 | ······</p> | 432 | ······</p> |
| 433 | <p>Copyright·©·1996-202 | 433 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 434 | ····</footer> | 434 | ····</footer> |
| 435 | ··</div> | 435 | ··</div> |
| 436 | </main> | 436 | </main> |
| 437 | </div> | 437 | </div> |
| 438 | <script> | 438 | <script> |
| 439 | ··function·mermaidLoaded()·{ | 439 | ··function·mermaidLoaded()·{ |
| 440 | ····mermaid.initialize({ | 440 | ····mermaid.initialize({ |
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| 524 | ······<p·class="built-using"> | 524 | ······<p·class="built-using"> |
| 525 | ········Built·using | 525 | ········Built·using |
| 526 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 526 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 527 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 527 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 528 | ······</p> | 528 | ······</p> |
| 529 | <p>Copyright·©·1996-202 | 529 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 530 | ····</footer> | 530 | ····</footer> |
| 531 | ··</div> | 531 | ··</div> |
| 532 | </main> | 532 | </main> |
| 533 | </div> | 533 | </div> |
| 534 | <script> | 534 | <script> |
| 535 | ··function·mermaidLoaded()·{ | 535 | ··function·mermaidLoaded()·{ |
| 536 | ····mermaid.initialize({ | 536 | ····mermaid.initialize({ |
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| 441 | ······<p·class="built-using"> | 441 | ······<p·class="built-using"> |
| 442 | ········Built·using | 442 | ········Built·using |
| 443 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 443 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 444 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 444 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 445 | ······</p> | 445 | ······</p> |
| 446 | <p>Copyright·©·1996-202 | 446 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 447 | ····</footer> | 447 | ····</footer> |
| 448 | ··</div> | 448 | ··</div> |
| 449 | </main> | 449 | </main> |
| 450 | </div> | 450 | </div> |
| 451 | <script> | 451 | <script> |
| 452 | ··function·mermaidLoaded()·{ | 452 | ··function·mermaidLoaded()·{ |
| 453 | ····mermaid.initialize({ | 453 | ····mermaid.initialize({ |
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| 708 | ······<p·class="built-using"> | 708 | ······<p·class="built-using"> |
| 709 | ········Built·using | 709 | ········Built·using |
| 710 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 710 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 711 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 711 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 712 | ······</p> | 712 | ······</p> |
| 713 | <p>Copyright·©·1996-202 | 713 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 714 | ····</footer> | 714 | ····</footer> |
| 715 | ··</div> | 715 | ··</div> |
| 716 | </main> | 716 | </main> |
| 717 | </div> | 717 | </div> |
| 718 | <script> | 718 | <script> |
| 719 | ··function·mermaidLoaded()·{ | 719 | ··function·mermaidLoaded()·{ |
| 720 | ····mermaid.initialize({ | 720 | ····mermaid.initialize({ |
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| 1062 | ······<p·class="built-using"> | 1062 | ······<p·class="built-using"> |
| 1063 | ········Built·using | 1063 | ········Built·using |
| 1064 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1064 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1065 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1065 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1066 | ······</p> | 1066 | ······</p> |
| 1067 | <p>Copyright·©·1996-202 | 1067 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1068 | ····</footer> | 1068 | ····</footer> |
| 1069 | ··</div> | 1069 | ··</div> |
| 1070 | </main> | 1070 | </main> |
| 1071 | </div> | 1071 | </div> |
| 1072 | <script> | 1072 | <script> |
| 1073 | ··function·mermaidLoaded()·{ | 1073 | ··function·mermaidLoaded()·{ |
| 1074 | ····mermaid.initialize({ | 1074 | ····mermaid.initialize({ |
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| 216 | ······<p·class="built-using"> | 216 | ······<p·class="built-using"> |
| 217 | ········Built·using | 217 | ········Built·using |
| 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 220 | ······</p> | 220 | ······</p> |
| 221 | <p>Copyright·©·1996-202 | 221 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 222 | ····</footer> | 222 | ····</footer> |
| 223 | ··</div> | 223 | ··</div> |
| 224 | </main> | 224 | </main> |
| 225 | </div> | 225 | </div> |
| 226 | <script> | 226 | <script> |
| 227 | ··function·mermaidLoaded()·{ | 227 | ··function·mermaidLoaded()·{ |
| 228 | ····mermaid.initialize({ | 228 | ····mermaid.initialize({ |
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| 2119 | ······<p·class="built-using"> | 2119 | ······<p·class="built-using"> |
| 2120 | ········Built·using | 2120 | ········Built·using |
| 2121 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2121 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2122 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2122 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2123 | ······</p> | 2123 | ······</p> |
| 2124 | <p>Copyright·©·1996-202 | 2124 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2125 | ····</footer> | 2125 | ····</footer> |
| 2126 | ··</div> | 2126 | ··</div> |
| 2127 | </main> | 2127 | </main> |
| 2128 | </div> | 2128 | </div> |
| 2129 | <script> | 2129 | <script> |
| 2130 | ··function·mermaidLoaded()·{ | 2130 | ··function·mermaidLoaded()·{ |
| 2131 | ····mermaid.initialize({ | 2131 | ····mermaid.initialize({ |
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| 216 | ······<p·class="built-using"> | 216 | ······<p·class="built-using"> |
| 217 | ········Built·using | 217 | ········Built·using |
| 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 220 | ······</p> | 220 | ······</p> |
| 221 | <p>Copyright·©·1996-202 | 221 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 222 | ····</footer> | 222 | ····</footer> |
| 223 | ··</div> | 223 | ··</div> |
| 224 | </main> | 224 | </main> |
| 225 | </div> | 225 | </div> |
| 226 | <script> | 226 | <script> |
| 227 | ··function·mermaidLoaded()·{ | 227 | ··function·mermaidLoaded()·{ |
| 228 | ····mermaid.initialize({ | 228 | ····mermaid.initialize({ |
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| 598 | ······<p·class="built-using"> | 598 | ······<p·class="built-using"> |
| 599 | ········Built·using | 599 | ········Built·using |
| 600 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 600 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 601 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 601 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 602 | ······</p> | 602 | ······</p> |
| 603 | <p>Copyright·©·1996-202 | 603 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 604 | ····</footer> | 604 | ····</footer> |
| 605 | ··</div> | 605 | ··</div> |
| 606 | </main> | 606 | </main> |
| 607 | </div> | 607 | </div> |
| 608 | <script> | 608 | <script> |
| 609 | ··function·mermaidLoaded()·{ | 609 | ··function·mermaidLoaded()·{ |
| 610 | ····mermaid.initialize({ | 610 | ····mermaid.initialize({ |
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| 686 | ······<p·class="built-using"> | 686 | ······<p·class="built-using"> |
| 687 | ········Built·using | 687 | ········Built·using |
| 688 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 688 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 689 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 689 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 690 | ······</p> | 690 | ······</p> |
| 691 | <p>Copyright·©·1996-202 | 691 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 692 | ····</footer> | 692 | ····</footer> |
| 693 | ··</div> | 693 | ··</div> |
| 694 | </main> | 694 | </main> |
| 695 | </div> | 695 | </div> |
| 696 | <script> | 696 | <script> |
| 697 | ··function·mermaidLoaded()·{ | 697 | ··function·mermaidLoaded()·{ |
| 698 | ····mermaid.initialize({ | 698 | ····mermaid.initialize({ |
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| 342 | ······<p·class="built-using"> | 342 | ······<p·class="built-using"> |
| 343 | ········Built·using | 343 | ········Built·using |
| 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 346 | ······</p> | 346 | ······</p> |
| 347 | <p>Copyright·©·1996-202 | 347 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 348 | ····</footer> | 348 | ····</footer> |
| 349 | ··</div> | 349 | ··</div> |
| 350 | </main> | 350 | </main> |
| 351 | </div> | 351 | </div> |
| 352 | <script> | 352 | <script> |
| 353 | ··function·mermaidLoaded()·{ | 353 | ··function·mermaidLoaded()·{ |
| 354 | ····mermaid.initialize({ | 354 | ····mermaid.initialize({ |
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| 1124 | ······<p·class="built-using"> | 1124 | ······<p·class="built-using"> |
| 1125 | ········Built·using | 1125 | ········Built·using |
| 1126 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1126 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1127 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1127 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1128 | ······</p> | 1128 | ······</p> |
| 1129 | <p>Copyright·©·1996-202 | 1129 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1130 | ····</footer> | 1130 | ····</footer> |
| 1131 | ··</div> | 1131 | ··</div> |
| 1132 | </main> | 1132 | </main> |
| 1133 | </div> | 1133 | </div> |
| 1134 | <script> | 1134 | <script> |
| 1135 | ··function·mermaidLoaded()·{ | 1135 | ··function·mermaidLoaded()·{ |
| 1136 | ····mermaid.initialize({ | 1136 | ····mermaid.initialize({ |
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| 216 | ······<p·class="built-using"> | 216 | ······<p·class="built-using"> |
| 217 | ········Built·using | 217 | ········Built·using |
| 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 218 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 219 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 220 | ······</p> | 220 | ······</p> |
| 221 | <p>Copyright·©·1996-202 | 221 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 222 | ····</footer> | 222 | ····</footer> |
| 223 | ··</div> | 223 | ··</div> |
| 224 | </main> | 224 | </main> |
| 225 | </div> | 225 | </div> |
| 226 | <script> | 226 | <script> |
| 227 | ··function·mermaidLoaded()·{ | 227 | ··function·mermaidLoaded()·{ |
| 228 | ····mermaid.initialize({ | 228 | ····mermaid.initialize({ |
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| 681 | ······<p·class="built-using"> | 681 | ······<p·class="built-using"> |
| 682 | ········Built·using | 682 | ········Built·using |
| 683 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 683 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 684 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 684 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 685 | ······</p> | 685 | ······</p> |
| 686 | <p>Copyright·©·1996-202 | 686 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 687 | ····</footer> | 687 | ····</footer> |
| 688 | ··</div> | 688 | ··</div> |
| 689 | </main> | 689 | </main> |
| 690 | </div> | 690 | </div> |
| 691 | <script> | 691 | <script> |
| 692 | ··function·mermaidLoaded()·{ | 692 | ··function·mermaidLoaded()·{ |
| 693 | ····mermaid.initialize({ | 693 | ····mermaid.initialize({ |
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| 8031 | ······<p·class="built-using"> | 8031 | ······<p·class="built-using"> |
| 8032 | ········Built·using | 8032 | ········Built·using |
| 8033 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 8033 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 8034 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 8034 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 8035 | ······</p> | 8035 | ······</p> |
| 8036 | <p>Copyright·©·1996-202 | 8036 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 8037 | ····</footer> | 8037 | ····</footer> |
| 8038 | ··</div> | 8038 | ··</div> |
| 8039 | </main> | 8039 | </main> |
| 8040 | </div> | 8040 | </div> |
| 8041 | <script> | 8041 | <script> |
| 8042 | ··function·mermaidLoaded()·{ | 8042 | ··function·mermaidLoaded()·{ |
| 8043 | ····mermaid.initialize({ | 8043 | ····mermaid.initialize({ |
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| 1114 | ······<p·class="built-using"> | 1114 | ······<p·class="built-using"> |
| 1115 | ········Built·using | 1115 | ········Built·using |
| 1116 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1116 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1117 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1117 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1118 | ······</p> | 1118 | ······</p> |
| 1119 | <p>Copyright·©·1996-202 | 1119 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1120 | ····</footer> | 1120 | ····</footer> |
| 1121 | ··</div> | 1121 | ··</div> |
| 1122 | </main> | 1122 | </main> |
| 1123 | </div> | 1123 | </div> |
| 1124 | <script> | 1124 | <script> |
| 1125 | ··function·mermaidLoaded()·{ | 1125 | ··function·mermaidLoaded()·{ |
| 1126 | ····mermaid.initialize({ | 1126 | ····mermaid.initialize({ |
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| 1045 | ······<p·class="built-using"> | 1045 | ······<p·class="built-using"> |
| 1046 | ········Built·using | 1046 | ········Built·using |
| 1047 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1047 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1048 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1048 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1049 | ······</p> | 1049 | ······</p> |
| 1050 | <p>Copyright·©·1996-202 | 1050 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1051 | ····</footer> | 1051 | ····</footer> |
| 1052 | ··</div> | 1052 | ··</div> |
| 1053 | </main> | 1053 | </main> |
| 1054 | </div> | 1054 | </div> |
| 1055 | <script> | 1055 | <script> |
| 1056 | ··function·mermaidLoaded()·{ | 1056 | ··function·mermaidLoaded()·{ |
| 1057 | ····mermaid.initialize({ | 1057 | ····mermaid.initialize({ |
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| 420 | ······<p·class="built-using"> | 420 | ······<p·class="built-using"> |
| 421 | ········Built·using | 421 | ········Built·using |
| 422 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 422 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 423 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 423 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 424 | ······</p> | 424 | ······</p> |
| 425 | <p>Copyright·©·1996-202 | 425 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 426 | ····</footer> | 426 | ····</footer> |
| 427 | ··</div> | 427 | ··</div> |
| 428 | </main> | 428 | </main> |
| 429 | </div> | 429 | </div> |
| 430 | <script> | 430 | <script> |
| 431 | ··function·mermaidLoaded()·{ | 431 | ··function·mermaidLoaded()·{ |
| 432 | ····mermaid.initialize({ | 432 | ····mermaid.initialize({ |
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| 304 | ······<p·class="built-using"> | 304 | ······<p·class="built-using"> |
| 305 | ········Built·using | 305 | ········Built·using |
| 306 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 306 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 307 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 307 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 308 | ······</p> | 308 | ······</p> |
| 309 | <p>Copyright·©·1996-202 | 309 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 310 | ····</footer> | 310 | ····</footer> |
| 311 | ··</div> | 311 | ··</div> |
| 312 | </main> | 312 | </main> |
| 313 | </div> | 313 | </div> |
| 314 | <script> | 314 | <script> |
| 315 | ··function·mermaidLoaded()·{ | 315 | ··function·mermaidLoaded()·{ |
| 316 | ····mermaid.initialize({ | 316 | ····mermaid.initialize({ |
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| 379 | ······<p·class="built-using"> | 379 | ······<p·class="built-using"> |
| 380 | ········Built·using | 380 | ········Built·using |
| 381 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 381 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 382 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 382 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 383 | ······</p> | 383 | ······</p> |
| 384 | <p>Copyright·©·1996-202 | 384 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 385 | ····</footer> | 385 | ····</footer> |
| 386 | ··</div> | 386 | ··</div> |
| 387 | </main> | 387 | </main> |
| 388 | </div> | 388 | </div> |
| 389 | <script> | 389 | <script> |
| 390 | ··function·mermaidLoaded()·{ | 390 | ··function·mermaidLoaded()·{ |
| 391 | ····mermaid.initialize({ | 391 | ····mermaid.initialize({ |
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| 579 | ······<p·class="built-using"> | 579 | ······<p·class="built-using"> |
| 580 | ········Built·using | 580 | ········Built·using |
| 581 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 581 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 582 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 582 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 583 | ······</p> | 583 | ······</p> |
| 584 | <p>Copyright·©·1996-202 | 584 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 585 | ····</footer> | 585 | ····</footer> |
| 586 | ··</div> | 586 | ··</div> |
| 587 | </main> | 587 | </main> |
| 588 | </div> | 588 | </div> |
| 589 | <script> | 589 | <script> |
| 590 | ··function·mermaidLoaded()·{ | 590 | ··function·mermaidLoaded()·{ |
| 591 | ····mermaid.initialize({ | 591 | ····mermaid.initialize({ |
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| 380 | ······<p·class="built-using"> | 380 | ······<p·class="built-using"> |
| 381 | ········Built·using | 381 | ········Built·using |
| 382 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 382 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 383 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 383 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 384 | ······</p> | 384 | ······</p> |
| 385 | <p>Copyright·©·1996-202 | 385 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 386 | ····</footer> | 386 | ····</footer> |
| 387 | ··</div> | 387 | ··</div> |
| 388 | </main> | 388 | </main> |
| 389 | </div> | 389 | </div> |
| 390 | <script> | 390 | <script> |
| 391 | ··function·mermaidLoaded()·{ | 391 | ··function·mermaidLoaded()·{ |
| 392 | ····mermaid.initialize({ | 392 | ····mermaid.initialize({ |
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| 524 | ······<p·class="built-using"> | 524 | ······<p·class="built-using"> |
| 525 | ········Built·using | 525 | ········Built·using |
| 526 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 526 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 527 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 527 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 528 | ······</p> | 528 | ······</p> |
| 529 | <p>Copyright·©·1996-202 | 529 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 530 | ····</footer> | 530 | ····</footer> |
| 531 | ··</div> | 531 | ··</div> |
| 532 | </main> | 532 | </main> |
| 533 | </div> | 533 | </div> |
| 534 | <script> | 534 | <script> |
| 535 | ··function·mermaidLoaded()·{ | 535 | ··function·mermaidLoaded()·{ |
| 536 | ····mermaid.initialize({ | 536 | ····mermaid.initialize({ |
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| 414 | ······<p·class="built-using"> | 414 | ······<p·class="built-using"> |
| 415 | ········Built·using | 415 | ········Built·using |
| 416 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 416 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 417 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 417 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 418 | ······</p> | 418 | ······</p> |
| 419 | <p>Copyright·©·1996-202 | 419 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 420 | ····</footer> | 420 | ····</footer> |
| 421 | ··</div> | 421 | ··</div> |
| 422 | </main> | 422 | </main> |
| 423 | </div> | 423 | </div> |
| 424 | <script> | 424 | <script> |
| 425 | ··function·mermaidLoaded()·{ | 425 | ··function·mermaidLoaded()·{ |
| 426 | ····mermaid.initialize({ | 426 | ····mermaid.initialize({ |
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| 304 | ······<p·class="built-using"> | 304 | ······<p·class="built-using"> |
| 305 | ········Built·using | 305 | ········Built·using |
| 306 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 306 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 307 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 307 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 308 | ······</p> | 308 | ······</p> |
| 309 | <p>Copyright·©·1996-202 | 309 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 310 | ····</footer> | 310 | ····</footer> |
| 311 | ··</div> | 311 | ··</div> |
| 312 | </main> | 312 | </main> |
| 313 | </div> | 313 | </div> |
| 314 | <script> | 314 | <script> |
| 315 | ··function·mermaidLoaded()·{ | 315 | ··function·mermaidLoaded()·{ |
| 316 | ····mermaid.initialize({ | 316 | ····mermaid.initialize({ |
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| 329 | ······<p·class="built-using"> | 329 | ······<p·class="built-using"> |
| 330 | ········Built·using | 330 | ········Built·using |
| 331 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 331 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 332 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 332 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 333 | ······</p> | 333 | ······</p> |
| 334 | <p>Copyright·©·1996-202 | 334 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 335 | ····</footer> | 335 | ····</footer> |
| 336 | ··</div> | 336 | ··</div> |
| 337 | </main> | 337 | </main> |
| 338 | </div> | 338 | </div> |
| 339 | <script> | 339 | <script> |
| 340 | ··function·mermaidLoaded()·{ | 340 | ··function·mermaidLoaded()·{ |
| 341 | ····mermaid.initialize({ | 341 | ····mermaid.initialize({ |
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| 305 | ······<p·class="built-using"> | 305 | ······<p·class="built-using"> |
| 306 | ········Built·using | 306 | ········Built·using |
| 307 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 307 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 308 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 308 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 309 | ······</p> | 309 | ······</p> |
| 310 | <p>Copyright·©·1996-202 | 310 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 311 | ····</footer> | 311 | ····</footer> |
| 312 | ··</div> | 312 | ··</div> |
| 313 | </main> | 313 | </main> |
| 314 | </div> | 314 | </div> |
| 315 | <script> | 315 | <script> |
| 316 | ··function·mermaidLoaded()·{ | 316 | ··function·mermaidLoaded()·{ |
| 317 | ····mermaid.initialize({ | 317 | ····mermaid.initialize({ |
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| 377 | ······<p·class="built-using"> | 377 | ······<p·class="built-using"> |
| 378 | ········Built·using | 378 | ········Built·using |
| 379 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 379 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 380 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 380 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 381 | ······</p> | 381 | ······</p> |
| 382 | <p>Copyright·©·1996-202 | 382 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 383 | ····</footer> | 383 | ····</footer> |
| 384 | ··</div> | 384 | ··</div> |
| 385 | </main> | 385 | </main> |
| 386 | </div> | 386 | </div> |
| 387 | <script> | 387 | <script> |
| 388 | ··function·mermaidLoaded()·{ | 388 | ··function·mermaidLoaded()·{ |
| 389 | ····mermaid.initialize({ | 389 | ····mermaid.initialize({ |
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| 617 | ······<p·class="built-using"> | 617 | ······<p·class="built-using"> |
| 618 | ········Built·using | 618 | ········Built·using |
| 619 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 619 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 620 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 620 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 621 | ······</p> | 621 | ······</p> |
| 622 | <p>Copyright·©·1996-202 | 622 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 623 | ····</footer> | 623 | ····</footer> |
| 624 | ··</div> | 624 | ··</div> |
| 625 | </main> | 625 | </main> |
| 626 | </div> | 626 | </div> |
| 627 | <script> | 627 | <script> |
| 628 | ··function·mermaidLoaded()·{ | 628 | ··function·mermaidLoaded()·{ |
| 629 | ····mermaid.initialize({ | 629 | ····mermaid.initialize({ |
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| 711 | ······<p·class="built-using"> | 711 | ······<p·class="built-using"> |
| 712 | ········Built·using | 712 | ········Built·using |
| 713 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 713 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 714 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 714 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 715 | ······</p> | 715 | ······</p> |
| 716 | <p>Copyright·©·1996-202 | 716 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 717 | ····</footer> | 717 | ····</footer> |
| 718 | ··</div> | 718 | ··</div> |
| 719 | </main> | 719 | </main> |
| 720 | </div> | 720 | </div> |
| 721 | <script> | 721 | <script> |
| 722 | ··function·mermaidLoaded()·{ | 722 | ··function·mermaidLoaded()·{ |
| 723 | ····mermaid.initialize({ | 723 | ····mermaid.initialize({ |
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| 459 | ······<p·class="built-using"> | 459 | ······<p·class="built-using"> |
| 460 | ········Built·using | 460 | ········Built·using |
| 461 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 461 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 462 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 462 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 463 | ······</p> | 463 | ······</p> |
| 464 | <p>Copyright·©·1996-202 | 464 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 465 | ····</footer> | 465 | ····</footer> |
| 466 | ··</div> | 466 | ··</div> |
| 467 | </main> | 467 | </main> |
| 468 | </div> | 468 | </div> |
| 469 | <script> | 469 | <script> |
| 470 | ··function·mermaidLoaded()·{ | 470 | ··function·mermaidLoaded()·{ |
| 471 | ····mermaid.initialize({ | 471 | ····mermaid.initialize({ |
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| 918 | ······<p·class="built-using"> | 918 | ······<p·class="built-using"> |
| 919 | ········Built·using | 919 | ········Built·using |
| 920 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 920 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 921 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 921 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 922 | ······</p> | 922 | ······</p> |
| 923 | <p>Copyright·©·1996-202 | 923 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 924 | ····</footer> | 924 | ····</footer> |
| 925 | ··</div> | 925 | ··</div> |
| 926 | </main> | 926 | </main> |
| 927 | </div> | 927 | </div> |
| 928 | <script> | 928 | <script> |
| 929 | ··function·mermaidLoaded()·{ | 929 | ··function·mermaidLoaded()·{ |
| 930 | ····mermaid.initialize({ | 930 | ····mermaid.initialize({ |
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| 345 | ······<p·class="built-using"> | 345 | ······<p·class="built-using"> |
| 346 | ········Built·using | 346 | ········Built·using |
| 347 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 347 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 348 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 348 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 349 | ······</p> | 349 | ······</p> |
| 350 | <p>Copyright·©·1996-202 | 350 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 351 | ····</footer> | 351 | ····</footer> |
| 352 | ··</div> | 352 | ··</div> |
| 353 | </main> | 353 | </main> |
| 354 | </div> | 354 | </div> |
| 355 | <script> | 355 | <script> |
| 356 | ··function·mermaidLoaded()·{ | 356 | ··function·mermaidLoaded()·{ |
| 357 | ····mermaid.initialize({ | 357 | ····mermaid.initialize({ |
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| 1299 | ······<p·class="built-using"> | 1299 | ······<p·class="built-using"> |
| 1300 | ········Built·using | 1300 | ········Built·using |
| 1301 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1301 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1302 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1302 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1303 | ······</p> | 1303 | ······</p> |
| 1304 | <p>Copyright·©·1996-202 | 1304 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1305 | ····</footer> | 1305 | ····</footer> |
| 1306 | ··</div> | 1306 | ··</div> |
| 1307 | </main> | 1307 | </main> |
| 1308 | </div> | 1308 | </div> |
| 1309 | <script> | 1309 | <script> |
| 1310 | ··function·mermaidLoaded()·{ | 1310 | ··function·mermaidLoaded()·{ |
| 1311 | ····mermaid.initialize({ | 1311 | ····mermaid.initialize({ |
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| 430 | ······<p·class="built-using"> | 430 | ······<p·class="built-using"> |
| 431 | ········Built·using | 431 | ········Built·using |
| 432 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 432 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 433 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 433 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 434 | ······</p> | 434 | ······</p> |
| 435 | <p>Copyright·©·1996-202 | 435 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 436 | ····</footer> | 436 | ····</footer> |
| 437 | ··</div> | 437 | ··</div> |
| 438 | </main> | 438 | </main> |
| 439 | </div> | 439 | </div> |
| 440 | <script> | 440 | <script> |
| 441 | ··function·mermaidLoaded()·{ | 441 | ··function·mermaidLoaded()·{ |
| 442 | ····mermaid.initialize({ | 442 | ····mermaid.initialize({ |
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| 576 | ······<p·class="built-using"> | 576 | ······<p·class="built-using"> |
| 577 | ········Built·using | 577 | ········Built·using |
| 578 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 578 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 579 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 579 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 580 | ······</p> | 580 | ······</p> |
| 581 | <p>Copyright·©·1996-202 | 581 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 582 | ····</footer> | 582 | ····</footer> |
| 583 | ··</div> | 583 | ··</div> |
| 584 | </main> | 584 | </main> |
| 585 | </div> | 585 | </div> |
| 586 | <script> | 586 | <script> |
| 587 | ··function·mermaidLoaded()·{ | 587 | ··function·mermaidLoaded()·{ |
| 588 | ····mermaid.initialize({ | 588 | ····mermaid.initialize({ |
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| 342 | ······<p·class="built-using"> | 342 | ······<p·class="built-using"> |
| 343 | ········Built·using | 343 | ········Built·using |
| 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 346 | ······</p> | 346 | ······</p> |
| 347 | <p>Copyright·©·1996-202 | 347 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 348 | ····</footer> | 348 | ····</footer> |
| 349 | ··</div> | 349 | ··</div> |
| 350 | </main> | 350 | </main> |
| 351 | </div> | 351 | </div> |
| 352 | <script> | 352 | <script> |
| 353 | ··function·mermaidLoaded()·{ | 353 | ··function·mermaidLoaded()·{ |
| 354 | ····mermaid.initialize({ | 354 | ····mermaid.initialize({ |
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| 521 | ······<p·class="built-using"> | 521 | ······<p·class="built-using"> |
| 522 | ········Built·using | 522 | ········Built·using |
| 523 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 523 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 524 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 524 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 525 | ······</p> | 525 | ······</p> |
| 526 | <p>Copyright·©·1996-202 | 526 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 527 | ····</footer> | 527 | ····</footer> |
| 528 | ··</div> | 528 | ··</div> |
| 529 | </main> | 529 | </main> |
| 530 | </div> | 530 | </div> |
| 531 | <script> | 531 | <script> |
| 532 | ··function·mermaidLoaded()·{ | 532 | ··function·mermaidLoaded()·{ |
| 533 | ····mermaid.initialize({ | 533 | ····mermaid.initialize({ |
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| 3681 | ······<p·class="built-using"> | 3681 | ······<p·class="built-using"> |
| 3682 | ········Built·using | 3682 | ········Built·using |
| 3683 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3683 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3684 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3684 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3685 | ······</p> | 3685 | ······</p> |
| 3686 | <p>Copyright·©·1996-202 | 3686 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3687 | ····</footer> | 3687 | ····</footer> |
| 3688 | ··</div> | 3688 | ··</div> |
| 3689 | </main> | 3689 | </main> |
| 3690 | </div> | 3690 | </div> |
| 3691 | <script> | 3691 | <script> |
| 3692 | ··function·mermaidLoaded()·{ | 3692 | ··function·mermaidLoaded()·{ |
| 3693 | ····mermaid.initialize({ | 3693 | ····mermaid.initialize({ |
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| 931 | ······<p·class="built-using"> | 931 | ······<p·class="built-using"> |
| 932 | ········Built·using | 932 | ········Built·using |
| 933 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 933 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 934 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 934 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 935 | ······</p> | 935 | ······</p> |
| 936 | <p>Copyright·©·1996-202 | 936 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 937 | ····</footer> | 937 | ····</footer> |
| 938 | ··</div> | 938 | ··</div> |
| 939 | </main> | 939 | </main> |
| 940 | </div> | 940 | </div> |
| 941 | <script> | 941 | <script> |
| 942 | ··function·mermaidLoaded()·{ | 942 | ··function·mermaidLoaded()·{ |
| 943 | ····mermaid.initialize({ | 943 | ····mermaid.initialize({ |
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| 288 | ······<p·class="built-using"> | 288 | ······<p·class="built-using"> |
| 289 | ········Built·using | 289 | ········Built·using |
| 290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 290 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 291 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 292 | ······</p> | 292 | ······</p> |
| 293 | <p>Copyright·©·1996-202 | 293 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 294 | ····</footer> | 294 | ····</footer> |
| 295 | ··</div> | 295 | ··</div> |
| 296 | </main> | 296 | </main> |
| 297 | </div> | 297 | </div> |
| 298 | <script> | 298 | <script> |
| 299 | ··function·mermaidLoaded()·{ | 299 | ··function·mermaidLoaded()·{ |
| 300 | ····mermaid.initialize({ | 300 | ····mermaid.initialize({ |
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| 823 | ······<p·class="built-using"> | 823 | ······<p·class="built-using"> |
| 824 | ········Built·using | 824 | ········Built·using |
| 825 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 825 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 826 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 826 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 827 | ······</p> | 827 | ······</p> |
| 828 | <p>Copyright·©·1996-202 | 828 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 829 | ····</footer> | 829 | ····</footer> |
| 830 | ··</div> | 830 | ··</div> |
| 831 | </main> | 831 | </main> |
| 832 | </div> | 832 | </div> |
| 833 | <script> | 833 | <script> |
| 834 | ··function·mermaidLoaded()·{ | 834 | ··function·mermaidLoaded()·{ |
| 835 | ····mermaid.initialize({ | 835 | ····mermaid.initialize({ |
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| 905 | ······<p·class="built-using"> | 905 | ······<p·class="built-using"> |
| 906 | ········Built·using | 906 | ········Built·using |
| 907 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 907 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 908 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 908 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 909 | ······</p> | 909 | ······</p> |
| 910 | <p>Copyright·©·1996-202 | 910 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 911 | ····</footer> | 911 | ····</footer> |
| 912 | ··</div> | 912 | ··</div> |
| 913 | </main> | 913 | </main> |
| 914 | </div> | 914 | </div> |
| 915 | <script> | 915 | <script> |
| 916 | ··function·mermaidLoaded()·{ | 916 | ··function·mermaidLoaded()·{ |
| 917 | ····mermaid.initialize({ | 917 | ····mermaid.initialize({ |
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| 577 | ······<p·class="built-using"> | 577 | ······<p·class="built-using"> |
| 578 | ········Built·using | 578 | ········Built·using |
| 579 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 579 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 580 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 580 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 581 | ······</p> | 581 | ······</p> |
| 582 | <p>Copyright·©·1996-202 | 582 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 583 | ····</footer> | 583 | ····</footer> |
| 584 | ··</div> | 584 | ··</div> |
| 585 | </main> | 585 | </main> |
| 586 | </div> | 586 | </div> |
| 587 | <script> | 587 | <script> |
| 588 | ··function·mermaidLoaded()·{ | 588 | ··function·mermaidLoaded()·{ |
| 589 | ····mermaid.initialize({ | 589 | ····mermaid.initialize({ |
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| 793 | ······<p·class="built-using"> | 793 | ······<p·class="built-using"> |
| 794 | ········Built·using | 794 | ········Built·using |
| 795 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 795 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 796 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 796 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 797 | ······</p> | 797 | ······</p> |
| 798 | <p>Copyright·©·1996-202 | 798 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 799 | ····</footer> | 799 | ····</footer> |
| 800 | ··</div> | 800 | ··</div> |
| 801 | </main> | 801 | </main> |
| 802 | </div> | 802 | </div> |
| 803 | <script> | 803 | <script> |
| 804 | ··function·mermaidLoaded()·{ | 804 | ··function·mermaidLoaded()·{ |
| 805 | ····mermaid.initialize({ | 805 | ····mermaid.initialize({ |
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| 3108 | ······<p·class="built-using"> | 3108 | ······<p·class="built-using"> |
| 3109 | ········Built·using | 3109 | ········Built·using |
| 3110 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3110 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3111 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3111 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3112 | ······</p> | 3112 | ······</p> |
| 3113 | <p>Copyright·©·1996-202 | 3113 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3114 | ····</footer> | 3114 | ····</footer> |
| 3115 | ··</div> | 3115 | ··</div> |
| 3116 | </main> | 3116 | </main> |
| 3117 | </div> | 3117 | </div> |
| 3118 | <script> | 3118 | <script> |
| 3119 | ··function·mermaidLoaded()·{ | 3119 | ··function·mermaidLoaded()·{ |
| 3120 | ····mermaid.initialize({ | 3120 | ····mermaid.initialize({ |
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| 801 | ······<p·class="built-using"> | 801 | ······<p·class="built-using"> |
| 802 | ········Built·using | 802 | ········Built·using |
| 803 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 803 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 804 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 804 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 805 | ······</p> | 805 | ······</p> |
| 806 | <p>Copyright·©·1996-202 | 806 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 807 | ····</footer> | 807 | ····</footer> |
| 808 | ··</div> | 808 | ··</div> |
| 809 | </main> | 809 | </main> |
| 810 | </div> | 810 | </div> |
| 811 | <script> | 811 | <script> |
| 812 | ··function·mermaidLoaded()·{ | 812 | ··function·mermaidLoaded()·{ |
| 813 | ····mermaid.initialize({ | 813 | ····mermaid.initialize({ |
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| 1212 | ······<p·class="built-using"> | 1212 | ······<p·class="built-using"> |
| 1213 | ········Built·using | 1213 | ········Built·using |
| 1214 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1214 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1215 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1215 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1216 | ······</p> | 1216 | ······</p> |
| 1217 | <p>Copyright·©·1996-202 | 1217 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1218 | ····</footer> | 1218 | ····</footer> |
| 1219 | ··</div> | 1219 | ··</div> |
| 1220 | </main> | 1220 | </main> |
| 1221 | </div> | 1221 | </div> |
| 1222 | <script> | 1222 | <script> |
| 1223 | ··function·mermaidLoaded()·{ | 1223 | ··function·mermaidLoaded()·{ |
| 1224 | ····mermaid.initialize({ | 1224 | ····mermaid.initialize({ |
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| 665 | ······<p·class="built-using"> | 665 | ······<p·class="built-using"> |
| 666 | ········Built·using | 666 | ········Built·using |
| 667 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 667 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 668 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 668 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 669 | ······</p> | 669 | ······</p> |
| 670 | <p>Copyright·©·1996-202 | 670 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 671 | ····</footer> | 671 | ····</footer> |
| 672 | ··</div> | 672 | ··</div> |
| 673 | </main> | 673 | </main> |
| 674 | </div> | 674 | </div> |
| 675 | <script> | 675 | <script> |
| 676 | ··function·mermaidLoaded()·{ | 676 | ··function·mermaidLoaded()·{ |
| 677 | ····mermaid.initialize({ | 677 | ····mermaid.initialize({ |
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| 565 | ······<p·class="built-using"> | 565 | ······<p·class="built-using"> |
| 566 | ········Built·using | 566 | ········Built·using |
| 567 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 567 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 568 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 568 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 569 | ······</p> | 569 | ······</p> |
| 570 | <p>Copyright·©·1996-202 | 570 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 571 | ····</footer> | 571 | ····</footer> |
| 572 | ··</div> | 572 | ··</div> |
| 573 | </main> | 573 | </main> |
| 574 | </div> | 574 | </div> |
| 575 | <script> | 575 | <script> |
| 576 | ··function·mermaidLoaded()·{ | 576 | ··function·mermaidLoaded()·{ |
| 577 | ····mermaid.initialize({ | 577 | ····mermaid.initialize({ |
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| 1307 | ······<p·class="built-using"> | 1307 | ······<p·class="built-using"> |
| 1308 | ········Built·using | 1308 | ········Built·using |
| 1309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1311 | ······</p> | 1311 | ······</p> |
| 1312 | <p>Copyright·©·1996-202 | 1312 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1313 | ····</footer> | 1313 | ····</footer> |
| 1314 | ··</div> | 1314 | ··</div> |
| 1315 | </main> | 1315 | </main> |
| 1316 | </div> | 1316 | </div> |
| 1317 | <script> | 1317 | <script> |
| 1318 | ··function·mermaidLoaded()·{ | 1318 | ··function·mermaidLoaded()·{ |
| 1319 | ····mermaid.initialize({ | 1319 | ····mermaid.initialize({ |
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| 1309 | ······<p·class="built-using"> | 1309 | ······<p·class="built-using"> |
| 1310 | ········Built·using | 1310 | ········Built·using |
| 1311 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1311 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1312 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1312 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1313 | ······</p> | 1313 | ······</p> |
| 1314 | <p>Copyright·©·1996-202 | 1314 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1315 | ····</footer> | 1315 | ····</footer> |
| 1316 | ··</div> | 1316 | ··</div> |
| 1317 | </main> | 1317 | </main> |
| 1318 | </div> | 1318 | </div> |
| 1319 | <script> | 1319 | <script> |
| 1320 | ··function·mermaidLoaded()·{ | 1320 | ··function·mermaidLoaded()·{ |
| 1321 | ····mermaid.initialize({ | 1321 | ····mermaid.initialize({ |
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| 307 | ······<p·class="built-using"> | 307 | ······<p·class="built-using"> |
| 308 | ········Built·using | 308 | ········Built·using |
| 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 311 | ······</p> | 311 | ······</p> |
| 312 | <p>Copyright·©·1996-202 | 312 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 313 | ····</footer> | 313 | ····</footer> |
| 314 | ··</div> | 314 | ··</div> |
| 315 | </main> | 315 | </main> |
| 316 | </div> | 316 | </div> |
| 317 | <script> | 317 | <script> |
| 318 | ··function·mermaidLoaded()·{ | 318 | ··function·mermaidLoaded()·{ |
| 319 | ····mermaid.initialize({ | 319 | ····mermaid.initialize({ |
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| 634 | ······<p·class="built-using"> | 634 | ······<p·class="built-using"> |
| 635 | ········Built·using | 635 | ········Built·using |
| 636 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 636 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 637 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 637 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 638 | ······</p> | 638 | ······</p> |
| 639 | <p>Copyright·©·1996-202 | 639 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 640 | ····</footer> | 640 | ····</footer> |
| 641 | ··</div> | 641 | ··</div> |
| 642 | </main> | 642 | </main> |
| 643 | </div> | 643 | </div> |
| 644 | <script> | 644 | <script> |
| 645 | ··function·mermaidLoaded()·{ | 645 | ··function·mermaidLoaded()·{ |
| 646 | ····mermaid.initialize({ | 646 | ····mermaid.initialize({ |
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| 391 | ······<p·class="built-using"> | 391 | ······<p·class="built-using"> |
| 392 | ········Built·using | 392 | ········Built·using |
| 393 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 393 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 394 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 394 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 395 | ······</p> | 395 | ······</p> |
| 396 | <p>Copyright·©·1996-202 | 396 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 397 | ····</footer> | 397 | ····</footer> |
| 398 | ··</div> | 398 | ··</div> |
| 399 | </main> | 399 | </main> |
| 400 | </div> | 400 | </div> |
| 401 | <script> | 401 | <script> |
| 402 | ··function·mermaidLoaded()·{ | 402 | ··function·mermaidLoaded()·{ |
| 403 | ····mermaid.initialize({ | 403 | ····mermaid.initialize({ |
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| 794 | ······<p·class="built-using"> | 794 | ······<p·class="built-using"> |
| 795 | ········Built·using | 795 | ········Built·using |
| 796 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 796 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 797 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 797 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 798 | ······</p> | 798 | ······</p> |
| 799 | <p>Copyright·©·1996-202 | 799 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 800 | ····</footer> | 800 | ····</footer> |
| 801 | ··</div> | 801 | ··</div> |
| 802 | </main> | 802 | </main> |
| 803 | </div> | 803 | </div> |
| 804 | <script> | 804 | <script> |
| 805 | ··function·mermaidLoaded()·{ | 805 | ··function·mermaidLoaded()·{ |
| 806 | ····mermaid.initialize({ | 806 | ····mermaid.initialize({ |
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| 456 | ······<p·class="built-using"> | 456 | ······<p·class="built-using"> |
| 457 | ········Built·using | 457 | ········Built·using |
| 458 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 458 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 459 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 459 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 460 | ······</p> | 460 | ······</p> |
| 461 | <p>Copyright·©·1996-202 | 461 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 462 | ····</footer> | 462 | ····</footer> |
| 463 | ··</div> | 463 | ··</div> |
| 464 | </main> | 464 | </main> |
| 465 | </div> | 465 | </div> |
| 466 | <script> | 466 | <script> |
| 467 | ··function·mermaidLoaded()·{ | 467 | ··function·mermaidLoaded()·{ |
| 468 | ····mermaid.initialize({ | 468 | ····mermaid.initialize({ |
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| 291 | ······<p·class="built-using"> | 291 | ······<p·class="built-using"> |
| 292 | ········Built·using | 292 | ········Built·using |
| 293 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 293 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 294 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 294 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 295 | ······</p> | 295 | ······</p> |
| 296 | <p>Copyright·©·1996-202 | 296 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 297 | ····</footer> | 297 | ····</footer> |
| 298 | ··</div> | 298 | ··</div> |
| 299 | </main> | 299 | </main> |
| 300 | </div> | 300 | </div> |
| 301 | <script> | 301 | <script> |
| 302 | ··function·mermaidLoaded()·{ | 302 | ··function·mermaidLoaded()·{ |
| 303 | ····mermaid.initialize({ | 303 | ····mermaid.initialize({ |
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| 431 | ······<p·class="built-using"> | 431 | ······<p·class="built-using"> |
| 432 | ········Built·using | 432 | ········Built·using |
| 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 435 | ······</p> | 435 | ······</p> |
| 436 | <p>Copyright·©·1996-202 | 436 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 437 | ····</footer> | 437 | ····</footer> |
| 438 | ··</div> | 438 | ··</div> |
| 439 | </main> | 439 | </main> |
| 440 | </div> | 440 | </div> |
| 441 | <script> | 441 | <script> |
| 442 | ··function·mermaidLoaded()·{ | 442 | ··function·mermaidLoaded()·{ |
| 443 | ····mermaid.initialize({ | 443 | ····mermaid.initialize({ |
| Offset 2140, 15 lines modified | Offset 2140, 15 lines modified | ||
| 2140 | ······<p·class="built-using"> | 2140 | ······<p·class="built-using"> |
| 2141 | ········Built·using | 2141 | ········Built·using |
| 2142 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2142 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2143 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2143 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2144 | ······</p> | 2144 | ······</p> |
| 2145 | <p>Copyright·©·1996-202 | 2145 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2146 | ····</footer> | 2146 | ····</footer> |
| 2147 | ··</div> | 2147 | ··</div> |
| 2148 | </main> | 2148 | </main> |
| 2149 | </div> | 2149 | </div> |
| 2150 | <script> | 2150 | <script> |
| 2151 | ··function·mermaidLoaded()·{ | 2151 | ··function·mermaidLoaded()·{ |
| 2152 | ····mermaid.initialize({ | 2152 | ····mermaid.initialize({ |
| Offset 1390, 15 lines modified | Offset 1390, 15 lines modified | ||
| 1390 | ······<p·class="built-using"> | 1390 | ······<p·class="built-using"> |
| 1391 | ········Built·using | 1391 | ········Built·using |
| 1392 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1392 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1393 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1393 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1394 | ······</p> | 1394 | ······</p> |
| 1395 | <p>Copyright·©·1996-202 | 1395 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1396 | ····</footer> | 1396 | ····</footer> |
| 1397 | ··</div> | 1397 | ··</div> |
| 1398 | </main> | 1398 | </main> |
| 1399 | </div> | 1399 | </div> |
| 1400 | <script> | 1400 | <script> |
| 1401 | ··function·mermaidLoaded()·{ | 1401 | ··function·mermaidLoaded()·{ |
| 1402 | ····mermaid.initialize({ | 1402 | ····mermaid.initialize({ |
| Offset 428, 15 lines modified | Offset 428, 15 lines modified | ||
| 428 | ······<p·class="built-using"> | 428 | ······<p·class="built-using"> |
| 429 | ········Built·using | 429 | ········Built·using |
| 430 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 430 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 431 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 431 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 432 | ······</p> | 432 | ······</p> |
| 433 | <p>Copyright·©·1996-202 | 433 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 434 | ····</footer> | 434 | ····</footer> |
| 435 | ··</div> | 435 | ··</div> |
| 436 | </main> | 436 | </main> |
| 437 | </div> | 437 | </div> |
| 438 | <script> | 438 | <script> |
| 439 | ··function·mermaidLoaded()·{ | 439 | ··function·mermaidLoaded()·{ |
| 440 | ····mermaid.initialize({ | 440 | ····mermaid.initialize({ |
| Offset 1365, 15 lines modified | Offset 1365, 15 lines modified | ||
| 1365 | ······<p·class="built-using"> | 1365 | ······<p·class="built-using"> |
| 1366 | ········Built·using | 1366 | ········Built·using |
| 1367 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1367 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1368 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1368 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1369 | ······</p> | 1369 | ······</p> |
| 1370 | <p>Copyright·©·1996-202 | 1370 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1371 | ····</footer> | 1371 | ····</footer> |
| 1372 | ··</div> | 1372 | ··</div> |
| 1373 | </main> | 1373 | </main> |
| 1374 | </div> | 1374 | </div> |
| 1375 | <script> | 1375 | <script> |
| 1376 | ··function·mermaidLoaded()·{ | 1376 | ··function·mermaidLoaded()·{ |
| 1377 | ····mermaid.initialize({ | 1377 | ····mermaid.initialize({ |
| Offset 385, 15 lines modified | Offset 385, 15 lines modified | ||
| 385 | ······<p·class="built-using"> | 385 | ······<p·class="built-using"> |
| 386 | ········Built·using | 386 | ········Built·using |
| 387 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 387 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 388 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 388 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 389 | ······</p> | 389 | ······</p> |
| 390 | <p>Copyright·©·1996-202 | 390 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 391 | ····</footer> | 391 | ····</footer> |
| 392 | ··</div> | 392 | ··</div> |
| 393 | </main> | 393 | </main> |
| 394 | </div> | 394 | </div> |
| 395 | <script> | 395 | <script> |
| 396 | ··function·mermaidLoaded()·{ | 396 | ··function·mermaidLoaded()·{ |
| 397 | ····mermaid.initialize({ | 397 | ····mermaid.initialize({ |
| Offset 480, 15 lines modified | Offset 480, 15 lines modified | ||
| 480 | ······<p·class="built-using"> | 480 | ······<p·class="built-using"> |
| 481 | ········Built·using | 481 | ········Built·using |
| 482 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 482 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 483 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 483 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 484 | ······</p> | 484 | ······</p> |
| 485 | <p>Copyright·©·1996-202 | 485 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 486 | ····</footer> | 486 | ····</footer> |
| 487 | ··</div> | 487 | ··</div> |
| 488 | </main> | 488 | </main> |
| 489 | </div> | 489 | </div> |
| 490 | <script> | 490 | <script> |
| 491 | ··function·mermaidLoaded()·{ | 491 | ··function·mermaidLoaded()·{ |
| 492 | ····mermaid.initialize({ | 492 | ····mermaid.initialize({ |
| Offset 307, 15 lines modified | Offset 307, 15 lines modified | ||
| 307 | ······<p·class="built-using"> | 307 | ······<p·class="built-using"> |
| 308 | ········Built·using | 308 | ········Built·using |
| 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 311 | ······</p> | 311 | ······</p> |
| 312 | <p>Copyright·©·1996-202 | 312 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 313 | ····</footer> | 313 | ····</footer> |
| 314 | ··</div> | 314 | ··</div> |
| 315 | </main> | 315 | </main> |
| 316 | </div> | 316 | </div> |
| 317 | <script> | 317 | <script> |
| 318 | ··function·mermaidLoaded()·{ | 318 | ··function·mermaidLoaded()·{ |
| 319 | ····mermaid.initialize({ | 319 | ····mermaid.initialize({ |
| Offset 345, 15 lines modified | Offset 345, 15 lines modified | ||
| 345 | ······<p·class="built-using"> | 345 | ······<p·class="built-using"> |
| 346 | ········Built·using | 346 | ········Built·using |
| 347 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 347 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 348 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 348 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 349 | ······</p> | 349 | ······</p> |
| 350 | <p>Copyright·©·1996-202 | 350 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 351 | ····</footer> | 351 | ····</footer> |
| 352 | ··</div> | 352 | ··</div> |
| 353 | </main> | 353 | </main> |
| 354 | </div> | 354 | </div> |
| 355 | <script> | 355 | <script> |
| 356 | ··function·mermaidLoaded()·{ | 356 | ··function·mermaidLoaded()·{ |
| 357 | ····mermaid.initialize({ | 357 | ····mermaid.initialize({ |
| Offset 293, 15 lines modified | Offset 293, 15 lines modified | ||
| 293 | ······<p·class="built-using"> | 293 | ······<p·class="built-using"> |
| 294 | ········Built·using | 294 | ········Built·using |
| 295 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 295 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 296 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 296 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 297 | ······</p> | 297 | ······</p> |
| 298 | <p>Copyright·©·1996-202 | 298 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 299 | ····</footer> | 299 | ····</footer> |
| 300 | ··</div> | 300 | ··</div> |
| 301 | </main> | 301 | </main> |
| 302 | </div> | 302 | </div> |
| 303 | <script> | 303 | <script> |
| 304 | ··function·mermaidLoaded()·{ | 304 | ··function·mermaidLoaded()·{ |
| 305 | ····mermaid.initialize({ | 305 | ····mermaid.initialize({ |
| Offset 1982, 15 lines modified | Offset 1982, 15 lines modified | ||
| 1982 | ······<p·class="built-using"> | 1982 | ······<p·class="built-using"> |
| 1983 | ········Built·using | 1983 | ········Built·using |
| 1984 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1984 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1985 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1985 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1986 | ······</p> | 1986 | ······</p> |
| 1987 | <p>Copyright·©·1996-202 | 1987 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1988 | ····</footer> | 1988 | ····</footer> |
| 1989 | ··</div> | 1989 | ··</div> |
| 1990 | </main> | 1990 | </main> |
| 1991 | </div> | 1991 | </div> |
| 1992 | <script> | 1992 | <script> |
| 1993 | ··function·mermaidLoaded()·{ | 1993 | ··function·mermaidLoaded()·{ |
| 1994 | ····mermaid.initialize({ | 1994 | ····mermaid.initialize({ |
| Offset 383, 15 lines modified | Offset 383, 15 lines modified | ||
| 383 | ······<p·class="built-using"> | 383 | ······<p·class="built-using"> |
| 384 | ········Built·using | 384 | ········Built·using |
| 385 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 385 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 386 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 386 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 387 | ······</p> | 387 | ······</p> |
| 388 | <p>Copyright·©·1996-202 | 388 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 389 | ····</footer> | 389 | ····</footer> |
| 390 | ··</div> | 390 | ··</div> |
| 391 | </main> | 391 | </main> |
| 392 | </div> | 392 | </div> |
| 393 | <script> | 393 | <script> |
| 394 | ··function·mermaidLoaded()·{ | 394 | ··function·mermaidLoaded()·{ |
| 395 | ····mermaid.initialize({ | 395 | ····mermaid.initialize({ |
| Offset 431, 15 lines modified | Offset 431, 15 lines modified | ||
| 431 | ······<p·class="built-using"> | 431 | ······<p·class="built-using"> |
| 432 | ········Built·using | 432 | ········Built·using |
| 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 435 | ······</p> | 435 | ······</p> |
| 436 | <p>Copyright·©·1996-202 | 436 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 437 | ····</footer> | 437 | ····</footer> |
| 438 | ··</div> | 438 | ··</div> |
| 439 | </main> | 439 | </main> |
| 440 | </div> | 440 | </div> |
| 441 | <script> | 441 | <script> |
| 442 | ··function·mermaidLoaded()·{ | 442 | ··function·mermaidLoaded()·{ |
| 443 | ····mermaid.initialize({ | 443 | ····mermaid.initialize({ |
| Offset 604, 15 lines modified | Offset 604, 15 lines modified | ||
| 604 | ······<p·class="built-using"> | 604 | ······<p·class="built-using"> |
| 605 | ········Built·using | 605 | ········Built·using |
| 606 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 606 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 607 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 607 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 608 | ······</p> | 608 | ······</p> |
| 609 | <p>Copyright·©·1996-202 | 609 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 610 | ····</footer> | 610 | ····</footer> |
| 611 | ··</div> | 611 | ··</div> |
| 612 | </main> | 612 | </main> |
| 613 | </div> | 613 | </div> |
| 614 | <script> | 614 | <script> |
| 615 | ··function·mermaidLoaded()·{ | 615 | ··function·mermaidLoaded()·{ |
| 616 | ····mermaid.initialize({ | 616 | ····mermaid.initialize({ |
| Offset 819, 15 lines modified | Offset 819, 15 lines modified | ||
| 819 | ······<p·class="built-using"> | 819 | ······<p·class="built-using"> |
| 820 | ········Built·using | 820 | ········Built·using |
| 821 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 821 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 822 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 822 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 823 | ······</p> | 823 | ······</p> |
| 824 | <p>Copyright·©·1996-202 | 824 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 825 | ····</footer> | 825 | ····</footer> |
| 826 | ··</div> | 826 | ··</div> |
| 827 | </main> | 827 | </main> |
| 828 | </div> | 828 | </div> |
| 829 | <script> | 829 | <script> |
| 830 | ··function·mermaidLoaded()·{ | 830 | ··function·mermaidLoaded()·{ |
| 831 | ····mermaid.initialize({ | 831 | ····mermaid.initialize({ |
| Offset 897, 15 lines modified | Offset 897, 15 lines modified | ||
| 897 | ······<p·class="built-using"> | 897 | ······<p·class="built-using"> |
| 898 | ········Built·using | 898 | ········Built·using |
| 899 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 899 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 900 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 900 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 901 | ······</p> | 901 | ······</p> |
| 902 | <p>Copyright·©·1996-202 | 902 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 903 | ····</footer> | 903 | ····</footer> |
| 904 | ··</div> | 904 | ··</div> |
| 905 | </main> | 905 | </main> |
| 906 | </div> | 906 | </div> |
| 907 | <script> | 907 | <script> |
| 908 | ··function·mermaidLoaded()·{ | 908 | ··function·mermaidLoaded()·{ |
| 909 | ····mermaid.initialize({ | 909 | ····mermaid.initialize({ |
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| 348 | ······<p·class="built-using"> | 348 | ······<p·class="built-using"> |
| 349 | ········Built·using | 349 | ········Built·using |
| 350 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 350 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 351 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 351 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 352 | ······</p> | 352 | ······</p> |
| 353 | <p>Copyright·©·1996-202 | 353 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 354 | ····</footer> | 354 | ····</footer> |
| 355 | ··</div> | 355 | ··</div> |
| 356 | </main> | 356 | </main> |
| 357 | </div> | 357 | </div> |
| 358 | <script> | 358 | <script> |
| 359 | ··function·mermaidLoaded()·{ | 359 | ··function·mermaidLoaded()·{ |
| 360 | ····mermaid.initialize({ | 360 | ····mermaid.initialize({ |
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| 342 | ······<p·class="built-using"> | 342 | ······<p·class="built-using"> |
| 343 | ········Built·using | 343 | ········Built·using |
| 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 346 | ······</p> | 346 | ······</p> |
| 347 | <p>Copyright·©·1996-202 | 347 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 348 | ····</footer> | 348 | ····</footer> |
| 349 | ··</div> | 349 | ··</div> |
| 350 | </main> | 350 | </main> |
| 351 | </div> | 351 | </div> |
| 352 | <script> | 352 | <script> |
| 353 | ··function·mermaidLoaded()·{ | 353 | ··function·mermaidLoaded()·{ |
| 354 | ····mermaid.initialize({ | 354 | ····mermaid.initialize({ |
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| 423 | ······<p·class="built-using"> | 423 | ······<p·class="built-using"> |
| 424 | ········Built·using | 424 | ········Built·using |
| 425 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 425 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 426 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 426 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 427 | ······</p> | 427 | ······</p> |
| 428 | <p>Copyright·©·1996-202 | 428 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 429 | ····</footer> | 429 | ····</footer> |
| 430 | ··</div> | 430 | ··</div> |
| 431 | </main> | 431 | </main> |
| 432 | </div> | 432 | </div> |
| 433 | <script> | 433 | <script> |
| 434 | ··function·mermaidLoaded()·{ | 434 | ··function·mermaidLoaded()·{ |
| 435 | ····mermaid.initialize({ | 435 | ····mermaid.initialize({ |
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| 1409 | ······<p·class="built-using"> | 1409 | ······<p·class="built-using"> |
| 1410 | ········Built·using | 1410 | ········Built·using |
| 1411 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1411 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1412 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1412 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1413 | ······</p> | 1413 | ······</p> |
| 1414 | <p>Copyright·©·1996-202 | 1414 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1415 | ····</footer> | 1415 | ····</footer> |
| 1416 | ··</div> | 1416 | ··</div> |
| 1417 | </main> | 1417 | </main> |
| 1418 | </div> | 1418 | </div> |
| 1419 | <script> | 1419 | <script> |
| 1420 | ··function·mermaidLoaded()·{ | 1420 | ··function·mermaidLoaded()·{ |
| 1421 | ····mermaid.initialize({ | 1421 | ····mermaid.initialize({ |
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| 310 | ······<p·class="built-using"> | 310 | ······<p·class="built-using"> |
| 311 | ········Built·using | 311 | ········Built·using |
| 312 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 312 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 313 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 313 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 314 | ······</p> | 314 | ······</p> |
| 315 | <p>Copyright·©·1996-202 | 315 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 316 | ····</footer> | 316 | ····</footer> |
| 317 | ··</div> | 317 | ··</div> |
| 318 | </main> | 318 | </main> |
| 319 | </div> | 319 | </div> |
| 320 | <script> | 320 | <script> |
| 321 | ··function·mermaidLoaded()·{ | 321 | ··function·mermaidLoaded()·{ |
| 322 | ····mermaid.initialize({ | 322 | ····mermaid.initialize({ |
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| 297 | ······<p·class="built-using"> | 297 | ······<p·class="built-using"> |
| 298 | ········Built·using | 298 | ········Built·using |
| 299 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 299 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 300 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 300 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 301 | ······</p> | 301 | ······</p> |
| 302 | <p>Copyright·©·1996-202 | 302 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 303 | ····</footer> | 303 | ····</footer> |
| 304 | ··</div> | 304 | ··</div> |
| 305 | </main> | 305 | </main> |
| 306 | </div> | 306 | </div> |
| 307 | <script> | 307 | <script> |
| 308 | ··function·mermaidLoaded()·{ | 308 | ··function·mermaidLoaded()·{ |
| 309 | ····mermaid.initialize({ | 309 | ····mermaid.initialize({ |
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| 605 | ······<p·class="built-using"> | 605 | ······<p·class="built-using"> |
| 606 | ········Built·using | 606 | ········Built·using |
| 607 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 607 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 608 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 608 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 609 | ······</p> | 609 | ······</p> |
| 610 | <p>Copyright·©·1996-202 | 610 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 611 | ····</footer> | 611 | ····</footer> |
| 612 | ··</div> | 612 | ··</div> |
| 613 | </main> | 613 | </main> |
| 614 | </div> | 614 | </div> |
| 615 | <script> | 615 | <script> |
| 616 | ··function·mermaidLoaded()·{ | 616 | ··function·mermaidLoaded()·{ |
| 617 | ····mermaid.initialize({ | 617 | ····mermaid.initialize({ |
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| 372 | ······<p·class="built-using"> | 372 | ······<p·class="built-using"> |
| 373 | ········Built·using | 373 | ········Built·using |
| 374 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 374 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 375 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 375 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 376 | ······</p> | 376 | ······</p> |
| 377 | <p>Copyright·©·1996-202 | 377 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 378 | ····</footer> | 378 | ····</footer> |
| 379 | ··</div> | 379 | ··</div> |
| 380 | </main> | 380 | </main> |
| 381 | </div> | 381 | </div> |
| 382 | <script> | 382 | <script> |
| 383 | ··function·mermaidLoaded()·{ | 383 | ··function·mermaidLoaded()·{ |
| 384 | ····mermaid.initialize({ | 384 | ····mermaid.initialize({ |
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| 469 | ······<p·class="built-using"> | 469 | ······<p·class="built-using"> |
| 470 | ········Built·using | 470 | ········Built·using |
| 471 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 471 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 472 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 472 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 473 | ······</p> | 473 | ······</p> |
| 474 | <p>Copyright·©·1996-202 | 474 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 475 | ····</footer> | 475 | ····</footer> |
| 476 | ··</div> | 476 | ··</div> |
| 477 | </main> | 477 | </main> |
| 478 | </div> | 478 | </div> |
| 479 | <script> | 479 | <script> |
| 480 | ··function·mermaidLoaded()·{ | 480 | ··function·mermaidLoaded()·{ |
| 481 | ····mermaid.initialize({ | 481 | ····mermaid.initialize({ |
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| 349 | ······<p·class="built-using"> | 349 | ······<p·class="built-using"> |
| 350 | ········Built·using | 350 | ········Built·using |
| 351 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 351 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 352 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 352 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 353 | ······</p> | 353 | ······</p> |
| 354 | <p>Copyright·©·1996-202 | 354 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 355 | ····</footer> | 355 | ····</footer> |
| 356 | ··</div> | 356 | ··</div> |
| 357 | </main> | 357 | </main> |
| 358 | </div> | 358 | </div> |
| 359 | <script> | 359 | <script> |
| 360 | ··function·mermaidLoaded()·{ | 360 | ··function·mermaidLoaded()·{ |
| 361 | ····mermaid.initialize({ | 361 | ····mermaid.initialize({ |
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| 824 | ······<p·class="built-using"> | 824 | ······<p·class="built-using"> |
| 825 | ········Built·using | 825 | ········Built·using |
| 826 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 826 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 827 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 827 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 828 | ······</p> | 828 | ······</p> |
| 829 | <p>Copyright·©·1996-202 | 829 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 830 | ····</footer> | 830 | ····</footer> |
| 831 | ··</div> | 831 | ··</div> |
| 832 | </main> | 832 | </main> |
| 833 | </div> | 833 | </div> |
| 834 | <script> | 834 | <script> |
| 835 | ··function·mermaidLoaded()·{ | 835 | ··function·mermaidLoaded()·{ |
| 836 | ····mermaid.initialize({ | 836 | ····mermaid.initialize({ |
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| 754 | ······<p·class="built-using"> | 754 | ······<p·class="built-using"> |
| 755 | ········Built·using | 755 | ········Built·using |
| 756 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 756 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 757 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 757 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 758 | ······</p> | 758 | ······</p> |
| 759 | <p>Copyright·©·1996-202 | 759 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 760 | ····</footer> | 760 | ····</footer> |
| 761 | ··</div> | 761 | ··</div> |
| 762 | </main> | 762 | </main> |
| 763 | </div> | 763 | </div> |
| 764 | <script> | 764 | <script> |
| 765 | ··function·mermaidLoaded()·{ | 765 | ··function·mermaidLoaded()·{ |
| 766 | ····mermaid.initialize({ | 766 | ····mermaid.initialize({ |
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| 489 | ······<p·class="built-using"> | 489 | ······<p·class="built-using"> |
| 490 | ········Built·using | 490 | ········Built·using |
| 491 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 491 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 492 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 492 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 493 | ······</p> | 493 | ······</p> |
| 494 | <p>Copyright·©·1996-202 | 494 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 495 | ····</footer> | 495 | ····</footer> |
| 496 | ··</div> | 496 | ··</div> |
| 497 | </main> | 497 | </main> |
| 498 | </div> | 498 | </div> |
| 499 | <script> | 499 | <script> |
| 500 | ··function·mermaidLoaded()·{ | 500 | ··function·mermaidLoaded()·{ |
| 501 | ····mermaid.initialize({ | 501 | ····mermaid.initialize({ |
| Offset 504, 15 lines modified | Offset 504, 15 lines modified | ||
| 504 | ······<p·class="built-using"> | 504 | ······<p·class="built-using"> |
| 505 | ········Built·using | 505 | ········Built·using |
| 506 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 506 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 507 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 507 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 508 | ······</p> | 508 | ······</p> |
| 509 | <p>Copyright·©·1996-202 | 509 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 510 | ····</footer> | 510 | ····</footer> |
| 511 | ··</div> | 511 | ··</div> |
| 512 | </main> | 512 | </main> |
| 513 | </div> | 513 | </div> |
| 514 | <script> | 514 | <script> |
| 515 | ··function·mermaidLoaded()·{ | 515 | ··function·mermaidLoaded()·{ |
| 516 | ····mermaid.initialize({ | 516 | ····mermaid.initialize({ |
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| 342 | ······<p·class="built-using"> | 342 | ······<p·class="built-using"> |
| 343 | ········Built·using | 343 | ········Built·using |
| 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 344 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 345 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 346 | ······</p> | 346 | ······</p> |
| 347 | <p>Copyright·©·1996-202 | 347 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 348 | ····</footer> | 348 | ····</footer> |
| 349 | ··</div> | 349 | ··</div> |
| 350 | </main> | 350 | </main> |
| 351 | </div> | 351 | </div> |
| 352 | <script> | 352 | <script> |
| 353 | ··function·mermaidLoaded()·{ | 353 | ··function·mermaidLoaded()·{ |
| 354 | ····mermaid.initialize({ | 354 | ····mermaid.initialize({ |
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| 215 | ······<p·class="built-using"> | 215 | ······<p·class="built-using"> |
| 216 | ········Built·using | 216 | ········Built·using |
| 217 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 217 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 218 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 218 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 219 | ······</p> | 219 | ······</p> |
| 220 | <p>Copyright·©·1996-202 | 220 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 221 | ····</footer> | 221 | ····</footer> |
| 222 | ··</div> | 222 | ··</div> |
| 223 | </main> | 223 | </main> |
| 224 | </div> | 224 | </div> |
| 225 | <script> | 225 | <script> |
| 226 | ··function·mermaidLoaded()·{ | 226 | ··function·mermaidLoaded()·{ |
| 227 | ····mermaid.initialize({ | 227 | ····mermaid.initialize({ |
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| 499 | ······<p·class="built-using"> | 499 | ······<p·class="built-using"> |
| 500 | ········Built·using | 500 | ········Built·using |
| 501 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 501 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 502 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 502 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 503 | ······</p> | 503 | ······</p> |
| 504 | <p>Copyright·©·1996-202 | 504 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 505 | ····</footer> | 505 | ····</footer> |
| 506 | ··</div> | 506 | ··</div> |
| 507 | </main> | 507 | </main> |
| 508 | </div> | 508 | </div> |
| 509 | <script> | 509 | <script> |
| 510 | ··function·mermaidLoaded()·{ | 510 | ··function·mermaidLoaded()·{ |
| 511 | ····mermaid.initialize({ | 511 | ····mermaid.initialize({ |
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| 500 | ······<p·class="built-using"> | 500 | ······<p·class="built-using"> |
| 501 | ········Built·using | 501 | ········Built·using |
| 502 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 502 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 503 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 503 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 504 | ······</p> | 504 | ······</p> |
| 505 | <p>Copyright·©·1996-202 | 505 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 506 | ····</footer> | 506 | ····</footer> |
| 507 | ··</div> | 507 | ··</div> |
| 508 | </main> | 508 | </main> |
| 509 | </div> | 509 | </div> |
| 510 | <script> | 510 | <script> |
| 511 | ··function·mermaidLoaded()·{ | 511 | ··function·mermaidLoaded()·{ |
| 512 | ····mermaid.initialize({ | 512 | ····mermaid.initialize({ |
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| 1035 | ······<p·class="built-using"> | 1035 | ······<p·class="built-using"> |
| 1036 | ········Built·using | 1036 | ········Built·using |
| 1037 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1037 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1038 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1038 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1039 | ······</p> | 1039 | ······</p> |
| 1040 | <p>Copyright·©·1996-202 | 1040 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1041 | ····</footer> | 1041 | ····</footer> |
| 1042 | ··</div> | 1042 | ··</div> |
| 1043 | </main> | 1043 | </main> |
| 1044 | </div> | 1044 | </div> |
| 1045 | <script> | 1045 | <script> |
| 1046 | ··function·mermaidLoaded()·{ | 1046 | ··function·mermaidLoaded()·{ |
| 1047 | ····mermaid.initialize({ | 1047 | ····mermaid.initialize({ |
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| 417 | ······<p·class="built-using"> | 417 | ······<p·class="built-using"> |
| 418 | ········Built·using | 418 | ········Built·using |
| 419 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 419 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 420 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 420 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 421 | ······</p> | 421 | ······</p> |
| 422 | <p>Copyright·©·1996-202 | 422 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 423 | ····</footer> | 423 | ····</footer> |
| 424 | ··</div> | 424 | ··</div> |
| 425 | </main> | 425 | </main> |
| 426 | </div> | 426 | </div> |
| 427 | <script> | 427 | <script> |
| 428 | ··function·mermaidLoaded()·{ | 428 | ··function·mermaidLoaded()·{ |
| 429 | ····mermaid.initialize({ | 429 | ····mermaid.initialize({ |
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| 1210 | ······<p·class="built-using"> | 1210 | ······<p·class="built-using"> |
| 1211 | ········Built·using | 1211 | ········Built·using |
| 1212 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1212 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1213 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1213 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1214 | ······</p> | 1214 | ······</p> |
| 1215 | <p>Copyright·©·1996-202 | 1215 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1216 | ····</footer> | 1216 | ····</footer> |
| 1217 | ··</div> | 1217 | ··</div> |
| 1218 | </main> | 1218 | </main> |
| 1219 | </div> | 1219 | </div> |
| 1220 | <script> | 1220 | <script> |
| 1221 | ··function·mermaidLoaded()·{ | 1221 | ··function·mermaidLoaded()·{ |
| 1222 | ····mermaid.initialize({ | 1222 | ····mermaid.initialize({ |
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| 987 | ······<p·class="built-using"> | 987 | ······<p·class="built-using"> |
| 988 | ········Built·using | 988 | ········Built·using |
| 989 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 989 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 990 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 990 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 991 | ······</p> | 991 | ······</p> |
| 992 | <p>Copyright·©·1996-202 | 992 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 993 | ····</footer> | 993 | ····</footer> |
| 994 | ··</div> | 994 | ··</div> |
| 995 | </main> | 995 | </main> |
| 996 | </div> | 996 | </div> |
| 997 | <script> | 997 | <script> |
| 998 | ··function·mermaidLoaded()·{ | 998 | ··function·mermaidLoaded()·{ |
| 999 | ····mermaid.initialize({ | 999 | ····mermaid.initialize({ |
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| 690 | ······<p·class="built-using"> | 690 | ······<p·class="built-using"> |
| 691 | ········Built·using | 691 | ········Built·using |
| 692 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 692 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 693 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 693 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 694 | ······</p> | 694 | ······</p> |
| 695 | <p>Copyright·©·1996-202 | 695 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 696 | ····</footer> | 696 | ····</footer> |
| 697 | ··</div> | 697 | ··</div> |
| 698 | </main> | 698 | </main> |
| 699 | </div> | 699 | </div> |
| 700 | <script> | 700 | <script> |
| 701 | ··function·mermaidLoaded()·{ | 701 | ··function·mermaidLoaded()·{ |
| 702 | ····mermaid.initialize({ | 702 | ····mermaid.initialize({ |
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| 1181 | ······<p·class="built-using"> | 1181 | ······<p·class="built-using"> |
| 1182 | ········Built·using | 1182 | ········Built·using |
| 1183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1183 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1184 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1185 | ······</p> | 1185 | ······</p> |
| 1186 | <p>Copyright·©·1996-202 | 1186 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1187 | ····</footer> | 1187 | ····</footer> |
| 1188 | ··</div> | 1188 | ··</div> |
| 1189 | </main> | 1189 | </main> |
| 1190 | </div> | 1190 | </div> |
| 1191 | <script> | 1191 | <script> |
| 1192 | ··function·mermaidLoaded()·{ | 1192 | ··function·mermaidLoaded()·{ |
| 1193 | ····mermaid.initialize({ | 1193 | ····mermaid.initialize({ |
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| 475 | ······<p·class="built-using"> | 475 | ······<p·class="built-using"> |
| 476 | ········Built·using | 476 | ········Built·using |
| 477 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 477 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 478 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 478 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 479 | ······</p> | 479 | ······</p> |
| 480 | <p>Copyright·©·1996-202 | 480 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 481 | ····</footer> | 481 | ····</footer> |
| 482 | ··</div> | 482 | ··</div> |
| 483 | </main> | 483 | </main> |
| 484 | </div> | 484 | </div> |
| 485 | <script> | 485 | <script> |
| 486 | ··function·mermaidLoaded()·{ | 486 | ··function·mermaidLoaded()·{ |
| 487 | ····mermaid.initialize({ | 487 | ····mermaid.initialize({ |
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| 374 | ······<p·class="built-using"> | 374 | ······<p·class="built-using"> |
| 375 | ········Built·using | 375 | ········Built·using |
| 376 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 376 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 377 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 377 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 378 | ······</p> | 378 | ······</p> |
| 379 | <p>Copyright·©·1996-202 | 379 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 380 | ····</footer> | 380 | ····</footer> |
| 381 | ··</div> | 381 | ··</div> |
| 382 | </main> | 382 | </main> |
| 383 | </div> | 383 | </div> |
| 384 | <script> | 384 | <script> |
| 385 | ··function·mermaidLoaded()·{ | 385 | ··function·mermaidLoaded()·{ |
| 386 | ····mermaid.initialize({ | 386 | ····mermaid.initialize({ |
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| 1083 | ······<p·class="built-using"> | 1083 | ······<p·class="built-using"> |
| 1084 | ········Built·using | 1084 | ········Built·using |
| 1085 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1085 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1086 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1086 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1087 | ······</p> | 1087 | ······</p> |
| 1088 | <p>Copyright·©·1996-202 | 1088 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1089 | ····</footer> | 1089 | ····</footer> |
| 1090 | ··</div> | 1090 | ··</div> |
| 1091 | </main> | 1091 | </main> |
| 1092 | </div> | 1092 | </div> |
| 1093 | <script> | 1093 | <script> |
| 1094 | ··function·mermaidLoaded()·{ | 1094 | ··function·mermaidLoaded()·{ |
| 1095 | ····mermaid.initialize({ | 1095 | ····mermaid.initialize({ |
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| 568 | ······<p·class="built-using"> | 568 | ······<p·class="built-using"> |
| 569 | ········Built·using | 569 | ········Built·using |
| 570 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 570 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 571 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 571 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 572 | ······</p> | 572 | ······</p> |
| 573 | <p>Copyright·©·1996-202 | 573 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 574 | ····</footer> | 574 | ····</footer> |
| 575 | ··</div> | 575 | ··</div> |
| 576 | </main> | 576 | </main> |
| 577 | </div> | 577 | </div> |
| 578 | <script> | 578 | <script> |
| 579 | ··function·mermaidLoaded()·{ | 579 | ··function·mermaidLoaded()·{ |
| 580 | ····mermaid.initialize({ | 580 | ····mermaid.initialize({ |
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| 1153 | ······<p·class="built-using"> | 1153 | ······<p·class="built-using"> |
| 1154 | ········Built·using | 1154 | ········Built·using |
| 1155 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1155 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1156 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1156 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1157 | ······</p> | 1157 | ······</p> |
| 1158 | <p>Copyright·©·1996-202 | 1158 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1159 | ····</footer> | 1159 | ····</footer> |
| 1160 | ··</div> | 1160 | ··</div> |
| 1161 | </main> | 1161 | </main> |
| 1162 | </div> | 1162 | </div> |
| 1163 | <script> | 1163 | <script> |
| 1164 | ··function·mermaidLoaded()·{ | 1164 | ··function·mermaidLoaded()·{ |
| 1165 | ····mermaid.initialize({ | 1165 | ····mermaid.initialize({ |
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| 431 | ······<p·class="built-using"> | 431 | ······<p·class="built-using"> |
| 432 | ········Built·using | 432 | ········Built·using |
| 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 435 | ······</p> | 435 | ······</p> |
| 436 | <p>Copyright·©·1996-202 | 436 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 437 | ····</footer> | 437 | ····</footer> |
| 438 | ··</div> | 438 | ··</div> |
| 439 | </main> | 439 | </main> |
| 440 | </div> | 440 | </div> |
| 441 | <script> | 441 | <script> |
| 442 | ··function·mermaidLoaded()·{ | 442 | ··function·mermaidLoaded()·{ |
| 443 | ····mermaid.initialize({ | 443 | ····mermaid.initialize({ |
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| 660 | ······<p·class="built-using"> | 660 | ······<p·class="built-using"> |
| 661 | ········Built·using | 661 | ········Built·using |
| 662 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 662 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 663 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 663 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 664 | ······</p> | 664 | ······</p> |
| 665 | <p>Copyright·©·1996-202 | 665 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 666 | ····</footer> | 666 | ····</footer> |
| 667 | ··</div> | 667 | ··</div> |
| 668 | </main> | 668 | </main> |
| 669 | </div> | 669 | </div> |
| 670 | <script> | 670 | <script> |
| 671 | ··function·mermaidLoaded()·{ | 671 | ··function·mermaidLoaded()·{ |
| 672 | ····mermaid.initialize({ | 672 | ····mermaid.initialize({ |
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| 759 | ······<p·class="built-using"> | 759 | ······<p·class="built-using"> |
| 760 | ········Built·using | 760 | ········Built·using |
| 761 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 761 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 762 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 762 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 763 | ······</p> | 763 | ······</p> |
| 764 | <p>Copyright·©·1996-202 | 764 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 765 | ····</footer> | 765 | ····</footer> |
| 766 | ··</div> | 766 | ··</div> |
| 767 | </main> | 767 | </main> |
| 768 | </div> | 768 | </div> |
| 769 | <script> | 769 | <script> |
| 770 | ··function·mermaidLoaded()·{ | 770 | ··function·mermaidLoaded()·{ |
| 771 | ····mermaid.initialize({ | 771 | ····mermaid.initialize({ |
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| 307 | ······<p·class="built-using"> | 307 | ······<p·class="built-using"> |
| 308 | ········Built·using | 308 | ········Built·using |
| 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 309 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 310 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 311 | ······</p> | 311 | ······</p> |
| 312 | <p>Copyright·©·1996-202 | 312 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 313 | ····</footer> | 313 | ····</footer> |
| 314 | ··</div> | 314 | ··</div> |
| 315 | </main> | 315 | </main> |
| 316 | </div> | 316 | </div> |
| 317 | <script> | 317 | <script> |
| 318 | ··function·mermaidLoaded()·{ | 318 | ··function·mermaidLoaded()·{ |
| 319 | ····mermaid.initialize({ | 319 | ····mermaid.initialize({ |
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| 773 | ······<p·class="built-using"> | 773 | ······<p·class="built-using"> |
| 774 | ········Built·using | 774 | ········Built·using |
| 775 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 775 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 776 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 776 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 777 | ······</p> | 777 | ······</p> |
| 778 | <p>Copyright·©·1996-202 | 778 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 779 | ····</footer> | 779 | ····</footer> |
| 780 | ··</div> | 780 | ··</div> |
| 781 | </main> | 781 | </main> |
| 782 | </div> | 782 | </div> |
| 783 | <script> | 783 | <script> |
| 784 | ··function·mermaidLoaded()·{ | 784 | ··function·mermaidLoaded()·{ |
| 785 | ····mermaid.initialize({ | 785 | ····mermaid.initialize({ |
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| 394 | ······<p·class="built-using"> | 394 | ······<p·class="built-using"> |
| 395 | ········Built·using | 395 | ········Built·using |
| 396 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 396 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 397 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 397 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 398 | ······</p> | 398 | ······</p> |
| 399 | <p>Copyright·©·1996-202 | 399 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 400 | ····</footer> | 400 | ····</footer> |
| 401 | ··</div> | 401 | ··</div> |
| 402 | </main> | 402 | </main> |
| 403 | </div> | 403 | </div> |
| 404 | <script> | 404 | <script> |
| 405 | ··function·mermaidLoaded()·{ | 405 | ··function·mermaidLoaded()·{ |
| 406 | ····mermaid.initialize({ | 406 | ····mermaid.initialize({ |
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| 385 | ······<p·class="built-using"> | 385 | ······<p·class="built-using"> |
| 386 | ········Built·using | 386 | ········Built·using |
| 387 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 387 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 388 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 388 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 389 | ······</p> | 389 | ······</p> |
| 390 | <p>Copyright·©·1996-202 | 390 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 391 | ····</footer> | 391 | ····</footer> |
| 392 | ··</div> | 392 | ··</div> |
| 393 | </main> | 393 | </main> |
| 394 | </div> | 394 | </div> |
| 395 | <script> | 395 | <script> |
| 396 | ··function·mermaidLoaded()·{ | 396 | ··function·mermaidLoaded()·{ |
| 397 | ····mermaid.initialize({ | 397 | ····mermaid.initialize({ |
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| 1035 | ······<p·class="built-using"> | 1035 | ······<p·class="built-using"> |
| 1036 | ········Built·using | 1036 | ········Built·using |
| 1037 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1037 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1038 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1038 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1039 | ······</p> | 1039 | ······</p> |
| 1040 | <p>Copyright·©·1996-202 | 1040 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1041 | ····</footer> | 1041 | ····</footer> |
| 1042 | ··</div> | 1042 | ··</div> |
| 1043 | </main> | 1043 | </main> |
| 1044 | </div> | 1044 | </div> |
| 1045 | <script> | 1045 | <script> |
| 1046 | ··function·mermaidLoaded()·{ | 1046 | ··function·mermaidLoaded()·{ |
| 1047 | ····mermaid.initialize({ | 1047 | ····mermaid.initialize({ |
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| 494 | ······<p·class="built-using"> | 494 | ······<p·class="built-using"> |
| 495 | ········Built·using | 495 | ········Built·using |
| 496 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 496 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 497 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 497 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 498 | ······</p> | 498 | ······</p> |
| 499 | <p>Copyright·©·1996-202 | 499 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 500 | ····</footer> | 500 | ····</footer> |
| 501 | ··</div> | 501 | ··</div> |
| 502 | </main> | 502 | </main> |
| 503 | </div> | 503 | </div> |
| 504 | <script> | 504 | <script> |
| 505 | ··function·mermaidLoaded()·{ | 505 | ··function·mermaidLoaded()·{ |
| 506 | ····mermaid.initialize({ | 506 | ····mermaid.initialize({ |
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| 381 | ······<p·class="built-using"> | 381 | ······<p·class="built-using"> |
| 382 | ········Built·using | 382 | ········Built·using |
| 383 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 383 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 384 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 384 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 385 | ······</p> | 385 | ······</p> |
| 386 | <p>Copyright·©·1996-202 | 386 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 387 | ····</footer> | 387 | ····</footer> |
| 388 | ··</div> | 388 | ··</div> |
| 389 | </main> | 389 | </main> |
| 390 | </div> | 390 | </div> |
| 391 | <script> | 391 | <script> |
| 392 | ··function·mermaidLoaded()·{ | 392 | ··function·mermaidLoaded()·{ |
| 393 | ····mermaid.initialize({ | 393 | ····mermaid.initialize({ |
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| 468 | ······<p·class="built-using"> | 468 | ······<p·class="built-using"> |
| 469 | ········Built·using | 469 | ········Built·using |
| 470 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 470 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 471 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 471 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 472 | ······</p> | 472 | ······</p> |
| 473 | <p>Copyright·©·1996-202 | 473 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 474 | ····</footer> | 474 | ····</footer> |
| 475 | ··</div> | 475 | ··</div> |
| 476 | </main> | 476 | </main> |
| 477 | </div> | 477 | </div> |
| 478 | <script> | 478 | <script> |
| 479 | ··function·mermaidLoaded()·{ | 479 | ··function·mermaidLoaded()·{ |
| 480 | ····mermaid.initialize({ | 480 | ····mermaid.initialize({ |
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| 390 | ······<p·class="built-using"> | 390 | ······<p·class="built-using"> |
| 391 | ········Built·using | 391 | ········Built·using |
| 392 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 392 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 393 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 393 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 394 | ······</p> | 394 | ······</p> |
| 395 | <p>Copyright·©·1996-202 | 395 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 396 | ····</footer> | 396 | ····</footer> |
| 397 | ··</div> | 397 | ··</div> |
| 398 | </main> | 398 | </main> |
| 399 | </div> | 399 | </div> |
| 400 | <script> | 400 | <script> |
| 401 | ··function·mermaidLoaded()·{ | 401 | ··function·mermaidLoaded()·{ |
| 402 | ····mermaid.initialize({ | 402 | ····mermaid.initialize({ |
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| 2242 | ······<p·class="built-using"> | 2242 | ······<p·class="built-using"> |
| 2243 | ········Built·using | 2243 | ········Built·using |
| 2244 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2244 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2245 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2245 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2246 | ······</p> | 2246 | ······</p> |
| 2247 | <p>Copyright·©·1996-202 | 2247 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2248 | ····</footer> | 2248 | ····</footer> |
| 2249 | ··</div> | 2249 | ··</div> |
| 2250 | </main> | 2250 | </main> |
| 2251 | </div> | 2251 | </div> |
| 2252 | <script> | 2252 | <script> |
| 2253 | ··function·mermaidLoaded()·{ | 2253 | ··function·mermaidLoaded()·{ |
| 2254 | ····mermaid.initialize({ | 2254 | ····mermaid.initialize({ |
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| 713 | ······<p·class="built-using"> | 713 | ······<p·class="built-using"> |
| 714 | ········Built·using | 714 | ········Built·using |
| 715 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 715 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 716 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 716 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 717 | ······</p> | 717 | ······</p> |
| 718 | <p>Copyright·©·1996-202 | 718 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 719 | ····</footer> | 719 | ····</footer> |
| 720 | ··</div> | 720 | ··</div> |
| 721 | </main> | 721 | </main> |
| 722 | </div> | 722 | </div> |
| 723 | <script> | 723 | <script> |
| 724 | ··function·mermaidLoaded()·{ | 724 | ··function·mermaidLoaded()·{ |
| 725 | ····mermaid.initialize({ | 725 | ····mermaid.initialize({ |
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| 1611 | ······<p·class="built-using"> | 1611 | ······<p·class="built-using"> |
| 1612 | ········Built·using | 1612 | ········Built·using |
| 1613 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1613 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1614 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1614 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1615 | ······</p> | 1615 | ······</p> |
| 1616 | <p>Copyright·©·1996-202 | 1616 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1617 | ····</footer> | 1617 | ····</footer> |
| 1618 | ··</div> | 1618 | ··</div> |
| 1619 | </main> | 1619 | </main> |
| 1620 | </div> | 1620 | </div> |
| 1621 | <script> | 1621 | <script> |
| 1622 | ··function·mermaidLoaded()·{ | 1622 | ··function·mermaidLoaded()·{ |
| 1623 | ····mermaid.initialize({ | 1623 | ····mermaid.initialize({ |
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| 910 | ······<p·class="built-using"> | 910 | ······<p·class="built-using"> |
| 911 | ········Built·using | 911 | ········Built·using |
| 912 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 912 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 913 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 913 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 914 | ······</p> | 914 | ······</p> |
| 915 | <p>Copyright·©·1996-202 | 915 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 916 | ····</footer> | 916 | ····</footer> |
| 917 | ··</div> | 917 | ··</div> |
| 918 | </main> | 918 | </main> |
| 919 | </div> | 919 | </div> |
| 920 | <script> | 920 | <script> |
| 921 | ··function·mermaidLoaded()·{ | 921 | ··function·mermaidLoaded()·{ |
| 922 | ····mermaid.initialize({ | 922 | ····mermaid.initialize({ |
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| 665 | ······<p·class="built-using"> | 665 | ······<p·class="built-using"> |
| 666 | ········Built·using | 666 | ········Built·using |
| 667 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 667 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 668 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 668 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 669 | ······</p> | 669 | ······</p> |
| 670 | <p>Copyright·©·1996-202 | 670 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 671 | ····</footer> | 671 | ····</footer> |
| 672 | ··</div> | 672 | ··</div> |
| 673 | </main> | 673 | </main> |
| 674 | </div> | 674 | </div> |
| 675 | <script> | 675 | <script> |
| 676 | ··function·mermaidLoaded()·{ | 676 | ··function·mermaidLoaded()·{ |
| 677 | ····mermaid.initialize({ | 677 | ····mermaid.initialize({ |
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| 715 | ······<p·class="built-using"> | 715 | ······<p·class="built-using"> |
| 716 | ········Built·using | 716 | ········Built·using |
| 717 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 717 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 718 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 718 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 719 | ······</p> | 719 | ······</p> |
| 720 | <p>Copyright·©·1996-202 | 720 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 721 | ····</footer> | 721 | ····</footer> |
| 722 | ··</div> | 722 | ··</div> |
| 723 | </main> | 723 | </main> |
| 724 | </div> | 724 | </div> |
| 725 | <script> | 725 | <script> |
| 726 | ··function·mermaidLoaded()·{ | 726 | ··function·mermaidLoaded()·{ |
| 727 | ····mermaid.initialize({ | 727 | ····mermaid.initialize({ |
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| 378 | ······<p·class="built-using"> | 378 | ······<p·class="built-using"> |
| 379 | ········Built·using | 379 | ········Built·using |
| 380 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 380 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 381 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 381 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 382 | ······</p> | 382 | ······</p> |
| 383 | <p>Copyright·©·1996-202 | 383 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 384 | ····</footer> | 384 | ····</footer> |
| 385 | ··</div> | 385 | ··</div> |
| 386 | </main> | 386 | </main> |
| 387 | </div> | 387 | </div> |
| 388 | <script> | 388 | <script> |
| 389 | ··function·mermaidLoaded()·{ | 389 | ··function·mermaidLoaded()·{ |
| 390 | ····mermaid.initialize({ | 390 | ····mermaid.initialize({ |
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| 431 | ······<p·class="built-using"> | 431 | ······<p·class="built-using"> |
| 432 | ········Built·using | 432 | ········Built·using |
| 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 433 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 434 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 435 | ······</p> | 435 | ······</p> |
| 436 | <p>Copyright·©·1996-202 | 436 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 437 | ····</footer> | 437 | ····</footer> |
| 438 | ··</div> | 438 | ··</div> |
| 439 | </main> | 439 | </main> |
| 440 | </div> | 440 | </div> |
| 441 | <script> | 441 | <script> |
| 442 | ··function·mermaidLoaded()·{ | 442 | ··function·mermaidLoaded()·{ |
| 443 | ····mermaid.initialize({ | 443 | ····mermaid.initialize({ |
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| 496 | ······<p·class="built-using"> | 496 | ······<p·class="built-using"> |
| 497 | ········Built·using | 497 | ········Built·using |
| 498 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 498 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 499 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 499 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 500 | ······</p> | 500 | ······</p> |
| 501 | <p>Copyright·©·1996-202 | 501 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 502 | ····</footer> | 502 | ····</footer> |
| 503 | ··</div> | 503 | ··</div> |
| 504 | </main> | 504 | </main> |
| 505 | </div> | 505 | </div> |
| 506 | <script> | 506 | <script> |
| 507 | ··function·mermaidLoaded()·{ | 507 | ··function·mermaidLoaded()·{ |
| 508 | ····mermaid.initialize({ | 508 | ····mermaid.initialize({ |
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| 1295 | ······<p·class="built-using"> | 1295 | ······<p·class="built-using"> |
| 1296 | ········Built·using | 1296 | ········Built·using |
| 1297 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1297 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1298 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1298 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1299 | ······</p> | 1299 | ······</p> |
| 1300 | <p>Copyright·©·1996-202 | 1300 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1301 | ····</footer> | 1301 | ····</footer> |
| 1302 | ··</div> | 1302 | ··</div> |
| 1303 | </main> | 1303 | </main> |
| 1304 | </div> | 1304 | </div> |
| 1305 | <script> | 1305 | <script> |
| 1306 | ··function·mermaidLoaded()·{ | 1306 | ··function·mermaidLoaded()·{ |
| 1307 | ····mermaid.initialize({ | 1307 | ····mermaid.initialize({ |
| Offset 550, 15 lines modified | Offset 550, 15 lines modified | ||
| 550 | ······<p·class="built-using"> | 550 | ······<p·class="built-using"> |
| 551 | ········Built·using | 551 | ········Built·using |
| 552 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 552 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 553 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 553 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 554 | ······</p> | 554 | ······</p> |
| 555 | <p>Copyright·©·1996-202 | 555 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 556 | ····</footer> | 556 | ····</footer> |
| 557 | ··</div> | 557 | ··</div> |
| 558 | </main> | 558 | </main> |
| 559 | </div> | 559 | </div> |
| 560 | <script> | 560 | <script> |
| 561 | ··function·mermaidLoaded()·{ | 561 | ··function·mermaidLoaded()·{ |
| 562 | ····mermaid.initialize({ | 562 | ····mermaid.initialize({ |
| Offset 477, 15 lines modified | Offset 477, 15 lines modified | ||
| 477 | ······<p·class="built-using"> | 477 | ······<p·class="built-using"> |
| 478 | ········Built·using | 478 | ········Built·using |
| 479 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 479 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 480 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 480 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 481 | ······</p> | 481 | ······</p> |
| 482 | <p>Copyright·©·1996-202 | 482 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 483 | ····</footer> | 483 | ····</footer> |
| 484 | ··</div> | 484 | ··</div> |
| 485 | </main> | 485 | </main> |
| 486 | </div> | 486 | </div> |
| 487 | <script> | 487 | <script> |
| 488 | ··function·mermaidLoaded()·{ | 488 | ··function·mermaidLoaded()·{ |
| 489 | ····mermaid.initialize({ | 489 | ····mermaid.initialize({ |
| Offset 386, 15 lines modified | Offset 386, 15 lines modified | ||
| 386 | ······<p·class="built-using"> | 386 | ······<p·class="built-using"> |
| 387 | ········Built·using | 387 | ········Built·using |
| 388 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 388 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 389 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 389 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 390 | ······</p> | 390 | ······</p> |
| 391 | <p>Copyright·©·1996-202 | 391 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 392 | ····</footer> | 392 | ····</footer> |
| 393 | ··</div> | 393 | ··</div> |
| 394 | </main> | 394 | </main> |
| 395 | </div> | 395 | </div> |
| 396 | <script> | 396 | <script> |
| 397 | ··function·mermaidLoaded()·{ | 397 | ··function·mermaidLoaded()·{ |
| 398 | ····mermaid.initialize({ | 398 | ····mermaid.initialize({ |
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| 546 | ······<p·class="built-using"> | 546 | ······<p·class="built-using"> |
| 547 | ········Built·using | 547 | ········Built·using |
| 548 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 548 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 549 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 549 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 550 | ······</p> | 550 | ······</p> |
| 551 | <p>Copyright·©·1996-202 | 551 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 552 | ····</footer> | 552 | ····</footer> |
| 553 | ··</div> | 553 | ··</div> |
| 554 | </main> | 554 | </main> |
| 555 | </div> | 555 | </div> |
| 556 | <script> | 556 | <script> |
| 557 | ··function·mermaidLoaded()·{ | 557 | ··function·mermaidLoaded()·{ |
| 558 | ····mermaid.initialize({ | 558 | ····mermaid.initialize({ |
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| 607 | ······<p·class="built-using"> | 607 | ······<p·class="built-using"> |
| 608 | ········Built·using | 608 | ········Built·using |
| 609 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 609 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 610 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 610 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 611 | ······</p> | 611 | ······</p> |
| 612 | <p>Copyright·©·1996-202 | 612 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 613 | ····</footer> | 613 | ····</footer> |
| 614 | ··</div> | 614 | ··</div> |
| 615 | </main> | 615 | </main> |
| 616 | </div> | 616 | </div> |
| 617 | <script> | 617 | <script> |
| 618 | ··function·mermaidLoaded()·{ | 618 | ··function·mermaidLoaded()·{ |
| 619 | ····mermaid.initialize({ | 619 | ····mermaid.initialize({ |
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| 1049 | ······<p·class="built-using"> | 1049 | ······<p·class="built-using"> |
| 1050 | ········Built·using | 1050 | ········Built·using |
| 1051 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1051 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1052 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1052 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1053 | ······</p> | 1053 | ······</p> |
| 1054 | <p>Copyright·©·1996-202 | 1054 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1055 | ····</footer> | 1055 | ····</footer> |
| 1056 | ··</div> | 1056 | ··</div> |
| 1057 | </main> | 1057 | </main> |
| 1058 | </div> | 1058 | </div> |
| 1059 | <script> | 1059 | <script> |
| 1060 | ··function·mermaidLoaded()·{ | 1060 | ··function·mermaidLoaded()·{ |
| 1061 | ····mermaid.initialize({ | 1061 | ····mermaid.initialize({ |
| Offset 497, 15 lines modified | Offset 497, 15 lines modified | ||
| 497 | ······<p·class="built-using"> | 497 | ······<p·class="built-using"> |
| 498 | ········Built·using | 498 | ········Built·using |
| 499 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 499 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 500 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 500 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 501 | ······</p> | 501 | ······</p> |
| 502 | <p>Copyright·©·1996-202 | 502 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 503 | ····</footer> | 503 | ····</footer> |
| 504 | ··</div> | 504 | ··</div> |
| 505 | </main> | 505 | </main> |
| 506 | </div> | 506 | </div> |
| 507 | <script> | 507 | <script> |
| 508 | ··function·mermaidLoaded()·{ | 508 | ··function·mermaidLoaded()·{ |
| 509 | ····mermaid.initialize({ | 509 | ····mermaid.initialize({ |
| Offset 16754, 15 lines modified | Offset 16754, 15 lines modified | ||
| 16754 | ······<p·class="built-using"> | 16754 | ······<p·class="built-using"> |
| 16755 | ········Built·using | 16755 | ········Built·using |
| 16756 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 16756 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 16757 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 16757 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 16758 | ······</p> | 16758 | ······</p> |
| 16759 | <p>Copyright·©·1996-202 | 16759 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 16760 | ····</footer> | 16760 | ····</footer> |
| 16761 | ··</div> | 16761 | ··</div> |
| 16762 | </main> | 16762 | </main> |
| 16763 | </div> | 16763 | </div> |
| 16764 | <script> | 16764 | <script> |
| 16765 | ··function·mermaidLoaded()·{ | 16765 | ··function·mermaidLoaded()·{ |
| 16766 | ····mermaid.initialize({ | 16766 | ····mermaid.initialize({ |
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| 1172 | ······<p·class="built-using"> | 1172 | ······<p·class="built-using"> |
| 1173 | ········Built·using | 1173 | ········Built·using |
| 1174 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1174 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1175 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1175 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1176 | ······</p> | 1176 | ······</p> |
| 1177 | <p>Copyright·©·1996-202 | 1177 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1178 | ····</footer> | 1178 | ····</footer> |
| 1179 | ··</div> | 1179 | ··</div> |
| 1180 | </main> | 1180 | </main> |
| 1181 | </div> | 1181 | </div> |
| 1182 | <script> | 1182 | <script> |
| 1183 | ··function·mermaidLoaded()·{ | 1183 | ··function·mermaidLoaded()·{ |
| 1184 | ····mermaid.initialize({ | 1184 | ····mermaid.initialize({ |
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| 293 | ······<p·class="built-using"> | 293 | ······<p·class="built-using"> |
| 294 | ········Built·using | 294 | ········Built·using |
| 295 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 295 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 296 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 296 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 297 | ······</p> | 297 | ······</p> |
| 298 | <p>Copyright·©·1996-202 | 298 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 299 | ····</footer> | 299 | ····</footer> |
| 300 | ··</div> | 300 | ··</div> |
| 301 | </main> | 301 | </main> |
| 302 | </div> | 302 | </div> |
| 303 | <script> | 303 | <script> |
| 304 | ··function·mermaidLoaded()·{ | 304 | ··function·mermaidLoaded()·{ |
| 305 | ····mermaid.initialize({ | 305 | ····mermaid.initialize({ |
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| 463 | ······<p·class="built-using"> | 463 | ······<p·class="built-using"> |
| 464 | ········Built·using | 464 | ········Built·using |
| 465 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 465 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 466 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 466 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 467 | ······</p> | 467 | ······</p> |
| 468 | <p>Copyright·©·1996-202 | 468 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 469 | ····</footer> | 469 | ····</footer> |
| 470 | ··</div> | 470 | ··</div> |
| 471 | </main> | 471 | </main> |
| 472 | </div> | 472 | </div> |
| 473 | <script> | 473 | <script> |
| 474 | ··function·mermaidLoaded()·{ | 474 | ··function·mermaidLoaded()·{ |
| 475 | ····mermaid.initialize({ | 475 | ····mermaid.initialize({ |
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| 422 | ······<p·class="built-using"> | 422 | ······<p·class="built-using"> |
| 423 | ········Built·using | 423 | ········Built·using |
| 424 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 424 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 425 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 425 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 426 | ······</p> | 426 | ······</p> |
| 427 | <p>Copyright·©·1996-202 | 427 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 428 | ····</footer> | 428 | ····</footer> |
| 429 | ··</div> | 429 | ··</div> |
| 430 | </main> | 430 | </main> |
| 431 | </div> | 431 | </div> |
| 432 | <script> | 432 | <script> |
| 433 | ··function·mermaidLoaded()·{ | 433 | ··function·mermaidLoaded()·{ |
| 434 | ····mermaid.initialize({ | 434 | ····mermaid.initialize({ |
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| 501 | ······<p·class="built-using"> | 501 | ······<p·class="built-using"> |
| 502 | ········Built·using | 502 | ········Built·using |
| 503 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 503 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 504 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 504 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 505 | ······</p> | 505 | ······</p> |
| 506 | <p>Copyright·©·1996-202 | 506 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 507 | ····</footer> | 507 | ····</footer> |
| 508 | ··</div> | 508 | ··</div> |
| 509 | </main> | 509 | </main> |
| 510 | </div> | 510 | </div> |
| 511 | <script> | 511 | <script> |
| 512 | ··function·mermaidLoaded()·{ | 512 | ··function·mermaidLoaded()·{ |
| 513 | ····mermaid.initialize({ | 513 | ····mermaid.initialize({ |
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| 285 | ······<p·class="built-using"> | 285 | ······<p·class="built-using"> |
| 286 | ········Built·using | 286 | ········Built·using |
| 287 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 287 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 288 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 288 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 289 | ······</p> | 289 | ······</p> |
| 290 | <p>Copyright·©·1996-202 | 290 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 291 | ····</footer> | 291 | ····</footer> |
| 292 | ··</div> | 292 | ··</div> |
| 293 | </main> | 293 | </main> |
| 294 | </div> | 294 | </div> |
| 295 | <script> | 295 | <script> |
| 296 | ··function·mermaidLoaded()·{ | 296 | ··function·mermaidLoaded()·{ |
| 297 | ····mermaid.initialize({ | 297 | ····mermaid.initialize({ |
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| 1762 | ······<p·class="built-using"> | 1762 | ······<p·class="built-using"> |
| 1763 | ········Built·using | 1763 | ········Built·using |
| 1764 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1764 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1765 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1765 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1766 | ······</p> | 1766 | ······</p> |
| 1767 | <p>Copyright·©·1996-202 | 1767 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1768 | ····</footer> | 1768 | ····</footer> |
| 1769 | ··</div> | 1769 | ··</div> |
| 1770 | </main> | 1770 | </main> |
| 1771 | </div> | 1771 | </div> |
| 1772 | <script> | 1772 | <script> |
| 1773 | ··function·mermaidLoaded()·{ | 1773 | ··function·mermaidLoaded()·{ |
| 1774 | ····mermaid.initialize({ | 1774 | ····mermaid.initialize({ |
| Offset 2410, 15 lines modified | Offset 2410, 15 lines modified | ||
| 2410 | ······<p·class="built-using"> | 2410 | ······<p·class="built-using"> |
| 2411 | ········Built·using | 2411 | ········Built·using |
| 2412 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2412 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2413 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2413 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2414 | ······</p> | 2414 | ······</p> |
| 2415 | <p>Copyright·©·1996-202 | 2415 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2416 | ····</footer> | 2416 | ····</footer> |
| 2417 | ··</div> | 2417 | ··</div> |
| 2418 | </main> | 2418 | </main> |
| 2419 | </div> | 2419 | </div> |
| 2420 | <script> | 2420 | <script> |
| 2421 | ··function·mermaidLoaded()·{ | 2421 | ··function·mermaidLoaded()·{ |
| 2422 | ····mermaid.initialize({ | 2422 | ····mermaid.initialize({ |
| Offset 463, 15 lines modified | Offset 463, 15 lines modified | ||
| 463 | ······<p·class="built-using"> | 463 | ······<p·class="built-using"> |
| 464 | ········Built·using | 464 | ········Built·using |
| 465 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 465 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 466 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 466 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 467 | ······</p> | 467 | ······</p> |
| 468 | <p>Copyright·©·1996-202 | 468 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 469 | ····</footer> | 469 | ····</footer> |
| 470 | ··</div> | 470 | ··</div> |
| 471 | </main> | 471 | </main> |
| 472 | </div> | 472 | </div> |
| 473 | <script> | 473 | <script> |
| 474 | ··function·mermaidLoaded()·{ | 474 | ··function·mermaidLoaded()·{ |
| 475 | ····mermaid.initialize({ | 475 | ····mermaid.initialize({ |
| Offset 459, 15 lines modified | Offset 459, 15 lines modified | ||
| 459 | ······<p·class="built-using"> | 459 | ······<p·class="built-using"> |
| 460 | ········Built·using | 460 | ········Built·using |
| 461 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 461 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 462 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 462 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 463 | ······</p> | 463 | ······</p> |
| 464 | <p>Copyright·©·1996-202 | 464 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 465 | ····</footer> | 465 | ····</footer> |
| 466 | ··</div> | 466 | ··</div> |
| 467 | </main> | 467 | </main> |
| 468 | </div> | 468 | </div> |
| 469 | <script> | 469 | <script> |
| 470 | ··function·mermaidLoaded()·{ | 470 | ··function·mermaidLoaded()·{ |
| 471 | ····mermaid.initialize({ | 471 | ····mermaid.initialize({ |
| Offset 551, 15 lines modified | Offset 551, 15 lines modified | ||
| 551 | ······<p·class="built-using"> | 551 | ······<p·class="built-using"> |
| 552 | ········Built·using | 552 | ········Built·using |
| 553 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 553 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 554 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 554 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 555 | ······</p> | 555 | ······</p> |
| 556 | <p>Copyright·©·1996-202 | 556 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 557 | ····</footer> | 557 | ····</footer> |
| 558 | ··</div> | 558 | ··</div> |
| 559 | </main> | 559 | </main> |
| 560 | </div> | 560 | </div> |
| 561 | <script> | 561 | <script> |
| 562 | ··function·mermaidLoaded()·{ | 562 | ··function·mermaidLoaded()·{ |
| 563 | ····mermaid.initialize({ | 563 | ····mermaid.initialize({ |
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| 1980 | ······<p·class="built-using"> | 1980 | ······<p·class="built-using"> |
| 1981 | ········Built·using | 1981 | ········Built·using |
| 1982 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1982 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1983 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1983 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1984 | ······</p> | 1984 | ······</p> |
| 1985 | <p>Copyright·©·1996-202 | 1985 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1986 | ····</footer> | 1986 | ····</footer> |
| 1987 | ··</div> | 1987 | ··</div> |
| 1988 | </main> | 1988 | </main> |
| 1989 | </div> | 1989 | </div> |
| 1990 | <script> | 1990 | <script> |
| 1991 | ··function·mermaidLoaded()·{ | 1991 | ··function·mermaidLoaded()·{ |
| 1992 | ····mermaid.initialize({ | 1992 | ····mermaid.initialize({ |
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| 485 | ······<p·class="built-using"> | 485 | ······<p·class="built-using"> |
| 486 | ········Built·using | 486 | ········Built·using |
| 487 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 487 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 488 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 488 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 489 | ······</p> | 489 | ······</p> |
| 490 | <p>Copyright·©·1996-202 | 490 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 491 | ····</footer> | 491 | ····</footer> |
| 492 | ··</div> | 492 | ··</div> |
| 493 | </main> | 493 | </main> |
| 494 | </div> | 494 | </div> |
| 495 | <script> | 495 | <script> |
| 496 | ··function·mermaidLoaded()·{ | 496 | ··function·mermaidLoaded()·{ |
| 497 | ····mermaid.initialize({ | 497 | ····mermaid.initialize({ |
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| 1309 | ······<p·class="built-using"> | 1309 | ······<p·class="built-using"> |
| 1310 | ········Built·using | 1310 | ········Built·using |
| 1311 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1311 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1312 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1312 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1313 | ······</p> | 1313 | ······</p> |
| 1314 | <p>Copyright·©·1996-202 | 1314 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1315 | ····</footer> | 1315 | ····</footer> |
| 1316 | ··</div> | 1316 | ··</div> |
| 1317 | </main> | 1317 | </main> |
| 1318 | </div> | 1318 | </div> |
| 1319 | <script> | 1319 | <script> |
| 1320 | ··function·mermaidLoaded()·{ | 1320 | ··function·mermaidLoaded()·{ |
| 1321 | ····mermaid.initialize({ | 1321 | ····mermaid.initialize({ |
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| 1095 | ······<p·class="built-using"> | 1095 | ······<p·class="built-using"> |
| 1096 | ········Built·using | 1096 | ········Built·using |
| 1097 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1097 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1098 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1098 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1099 | ······</p> | 1099 | ······</p> |
| 1100 | <p>Copyright·©·1996-202 | 1100 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1101 | ····</footer> | 1101 | ····</footer> |
| 1102 | ··</div> | 1102 | ··</div> |
| 1103 | </main> | 1103 | </main> |
| 1104 | </div> | 1104 | </div> |
| 1105 | <script> | 1105 | <script> |
| 1106 | ··function·mermaidLoaded()·{ | 1106 | ··function·mermaidLoaded()·{ |
| 1107 | ····mermaid.initialize({ | 1107 | ····mermaid.initialize({ |
| Offset 3491, 15 lines modified | Offset 3491, 15 lines modified | ||
| 3491 | ······<p·class="built-using"> | 3491 | ······<p·class="built-using"> |
| 3492 | ········Built·using | 3492 | ········Built·using |
| 3493 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 3493 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 3494 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 3494 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 3495 | ······</p> | 3495 | ······</p> |
| 3496 | <p>Copyright·©·1996-202 | 3496 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 3497 | ····</footer> | 3497 | ····</footer> |
| 3498 | ··</div> | 3498 | ··</div> |
| 3499 | </main> | 3499 | </main> |
| 3500 | </div> | 3500 | </div> |
| 3501 | <script> | 3501 | <script> |
| 3502 | ··function·mermaidLoaded()·{ | 3502 | ··function·mermaidLoaded()·{ |
| 3503 | ····mermaid.initialize({ | 3503 | ····mermaid.initialize({ |
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| 610 | ······<p·class="built-using"> | 610 | ······<p·class="built-using"> |
| 611 | ········Built·using | 611 | ········Built·using |
| 612 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 612 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 613 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 613 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 614 | ······</p> | 614 | ······</p> |
| 615 | <p>Copyright·©·1996-202 | 615 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 616 | ····</footer> | 616 | ····</footer> |
| 617 | ··</div> | 617 | ··</div> |
| 618 | </main> | 618 | </main> |
| 619 | </div> | 619 | </div> |
| 620 | <script> | 620 | <script> |
| 621 | ··function·mermaidLoaded()·{ | 621 | ··function·mermaidLoaded()·{ |
| 622 | ····mermaid.initialize({ | 622 | ····mermaid.initialize({ |
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| 1491 | ······<p·class="built-using"> | 1491 | ······<p·class="built-using"> |
| 1492 | ········Built·using | 1492 | ········Built·using |
| 1493 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1493 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1494 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1494 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1495 | ······</p> | 1495 | ······</p> |
| 1496 | <p>Copyright·©·1996-202 | 1496 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1497 | ····</footer> | 1497 | ····</footer> |
| 1498 | ··</div> | 1498 | ··</div> |
| 1499 | </main> | 1499 | </main> |
| 1500 | </div> | 1500 | </div> |
| 1501 | <script> | 1501 | <script> |
| 1502 | ··function·mermaidLoaded()·{ | 1502 | ··function·mermaidLoaded()·{ |
| 1503 | ····mermaid.initialize({ | 1503 | ····mermaid.initialize({ |
| Offset 986, 15 lines modified | Offset 986, 15 lines modified | ||
| 986 | ······<p·class="built-using"> | 986 | ······<p·class="built-using"> |
| 987 | ········Built·using | 987 | ········Built·using |
| 988 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 988 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 989 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 989 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 990 | ······</p> | 990 | ······</p> |
| 991 | <p>Copyright·©·1996-202 | 991 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 992 | ····</footer> | 992 | ····</footer> |
| 993 | ··</div> | 993 | ··</div> |
| 994 | </main> | 994 | </main> |
| 995 | </div> | 995 | </div> |
| 996 | <script> | 996 | <script> |
| 997 | ··function·mermaidLoaded()·{ | 997 | ··function·mermaidLoaded()·{ |
| 998 | ····mermaid.initialize({ | 998 | ····mermaid.initialize({ |
| Offset 2229, 15 lines modified | Offset 2229, 15 lines modified | ||
| 2229 | ······<p·class="built-using"> | 2229 | ······<p·class="built-using"> |
| 2230 | ········Built·using | 2230 | ········Built·using |
| 2231 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 2231 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 2232 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 2232 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 2233 | ······</p> | 2233 | ······</p> |
| 2234 | <p>Copyright·©·1996-202 | 2234 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 2235 | ····</footer> | 2235 | ····</footer> |
| 2236 | ··</div> | 2236 | ··</div> |
| 2237 | </main> | 2237 | </main> |
| 2238 | </div> | 2238 | </div> |
| 2239 | <script> | 2239 | <script> |
| 2240 | ··function·mermaidLoaded()·{ | 2240 | ··function·mermaidLoaded()·{ |
| 2241 | ····mermaid.initialize({ | 2241 | ····mermaid.initialize({ |
| Offset 466, 15 lines modified | Offset 466, 15 lines modified | ||
| 466 | ······<p·class="built-using"> | 466 | ······<p·class="built-using"> |
| 467 | ········Built·using | 467 | ········Built·using |
| 468 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 468 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 469 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 469 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 470 | ······</p> | 470 | ······</p> |
| 471 | <p>Copyright·©·1996-202 | 471 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 472 | ····</footer> | 472 | ····</footer> |
| 473 | ··</div> | 473 | ··</div> |
| 474 | </main> | 474 | </main> |
| 475 | </div> | 475 | </div> |
| 476 | <script> | 476 | <script> |
| 477 | ··function·mermaidLoaded()·{ | 477 | ··function·mermaidLoaded()·{ |
| 478 | ····mermaid.initialize({ | 478 | ····mermaid.initialize({ |
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| 7835 | ······<p·class="built-using"> | 7835 | ······<p·class="built-using"> |
| 7836 | ········Built·using | 7836 | ········Built·using |
| 7837 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 7837 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 7838 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 7838 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 7839 | ······</p> | 7839 | ······</p> |
| 7840 | <p>Copyright·©·1996-202 | 7840 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 7841 | ····</footer> | 7841 | ····</footer> |
| 7842 | ··</div> | 7842 | ··</div> |
| 7843 | </main> | 7843 | </main> |
| 7844 | </div> | 7844 | </div> |
| 7845 | <script> | 7845 | <script> |
| 7846 | ··function·mermaidLoaded()·{ | 7846 | ··function·mermaidLoaded()·{ |
| 7847 | ····mermaid.initialize({ | 7847 | ····mermaid.initialize({ |
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| 289 | ······<p·class="built-using"> | 289 | ······<p·class="built-using"> |
| 290 | ········Built·using | 290 | ········Built·using |
| 291 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 291 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 292 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 292 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 293 | ······</p> | 293 | ······</p> |
| 294 | <p>Copyright·©·1996-202 | 294 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 295 | ····</footer> | 295 | ····</footer> |
| 296 | ··</div> | 296 | ··</div> |
| 297 | </main> | 297 | </main> |
| 298 | </div> | 298 | </div> |
| 299 | <script> | 299 | <script> |
| 300 | ··function·mermaidLoaded()·{ | 300 | ··function·mermaidLoaded()·{ |
| 301 | ····mermaid.initialize({ | 301 | ····mermaid.initialize({ |
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| 308 | ······<p·class="built-using"> | 308 | ······<p·class="built-using"> |
| 309 | ········Built·using | 309 | ········Built·using |
| 310 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 310 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 311 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 311 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 312 | ······</p> | 312 | ······</p> |
| 313 | <p>Copyright·©·1996-202 | 313 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 314 | ····</footer> | 314 | ····</footer> |
| 315 | ··</div> | 315 | ··</div> |
| 316 | </main> | 316 | </main> |
| 317 | </div> | 317 | </div> |
| 318 | <script> | 318 | <script> |
| 319 | ··function·mermaidLoaded()·{ | 319 | ··function·mermaidLoaded()·{ |
| 320 | ····mermaid.initialize({ | 320 | ····mermaid.initialize({ |
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| 290 | ······<p·class="built-using"> | 290 | ······<p·class="built-using"> |
| 291 | ········Built·using | 291 | ········Built·using |
| 292 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 292 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 293 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 293 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 294 | ······</p> | 294 | ······</p> |
| 295 | <p>Copyright·©·1996-202 | 295 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 296 | ····</footer> | 296 | ····</footer> |
| 297 | ··</div> | 297 | ··</div> |
| 298 | </main> | 298 | </main> |
| 299 | </div> | 299 | </div> |
| 300 | <script> | 300 | <script> |
| 301 | ··function·mermaidLoaded()·{ | 301 | ··function·mermaidLoaded()·{ |
| 302 | ····mermaid.initialize({ | 302 | ····mermaid.initialize({ |
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| 1417 | ······<p·class="built-using"> | 1417 | ······<p·class="built-using"> |
| 1418 | ········Built·using | 1418 | ········Built·using |
| 1419 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1419 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1420 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1420 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1421 | ······</p> | 1421 | ······</p> |
| 1422 | <p>Copyright·©·1996-202 | 1422 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1423 | ····</footer> | 1423 | ····</footer> |
| 1424 | ··</div> | 1424 | ··</div> |
| 1425 | </main> | 1425 | </main> |
| 1426 | </div> | 1426 | </div> |
| 1427 | <script> | 1427 | <script> |
| 1428 | ··function·mermaidLoaded()·{ | 1428 | ··function·mermaidLoaded()·{ |
| 1429 | ····mermaid.initialize({ | 1429 | ····mermaid.initialize({ |
| Offset 1302, 15 lines modified | Offset 1302, 15 lines modified | ||
| 1302 | ······<p·class="built-using"> | 1302 | ······<p·class="built-using"> |
| 1303 | ········Built·using | 1303 | ········Built·using |
| 1304 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1304 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1305 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1305 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1306 | ······</p> | 1306 | ······</p> |
| 1307 | <p>Copyright·©·1996-202 | 1307 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1308 | ····</footer> | 1308 | ····</footer> |
| 1309 | ··</div> | 1309 | ··</div> |
| 1310 | </main> | 1310 | </main> |
| 1311 | </div> | 1311 | </div> |
| 1312 | <script> | 1312 | <script> |
| 1313 | ··function·mermaidLoaded()·{ | 1313 | ··function·mermaidLoaded()·{ |
| 1314 | ····mermaid.initialize({ | 1314 | ····mermaid.initialize({ |
| Offset 132, 44 lines modified | Offset 132, 44 lines modified | ||
| 132 | works·like·a·regular·gen_server·module·and·creates·a·server·per·object.</p><p>NOTE:·Currently·no·form·of·inheritance·is·implemented.</p><p>The·user·module·should·export:</p><p>init(Args)·should·return<br/>{wxWindow,·State}·|·{wxWindow,·State,·Timeout}·|·ignore·|·{stop,·Reason}</p><p>Asynchronous·window·event·handling:<br/>handle_event(#wx{},·State)·should·return<br/>{noreply,·State}·|·{noreply,·State,·Timeout}·|·{stop,·Reason,·State}</p><p>The·user·module·can·export·the·following·callback·functions:</p><p>handle_call(Msg,·{From,·Tag},·State)·should·return<br/>{reply,·Reply,·State}·|·{reply,·Reply,·State,·Timeout}·|·{noreply,·State} | 132 | works·like·a·regular·gen_server·module·and·creates·a·server·per·object.</p><p>NOTE:·Currently·no·form·of·inheritance·is·implemented.</p><p>The·user·module·should·export:</p><p>init(Args)·should·return<br/>{wxWindow,·State}·|·{wxWindow,·State,·Timeout}·|·ignore·|·{stop,·Reason}</p><p>Asynchronous·window·event·handling:<br/>handle_event(#wx{},·State)·should·return<br/>{noreply,·State}·|·{noreply,·State,·Timeout}·|·{stop,·Reason,·State}</p><p>The·user·module·can·export·the·following·callback·functions:</p><p>handle_call(Msg,·{From,·Tag},·State)·should·return<br/>{reply,·Reply,·State}·|·{reply,·Reply,·State,·Timeout}·|·{noreply,·State} |
| 133 | |·{noreply,·State,·Timeout}·|·{stop,·Reason,·Reply,·State}</p><p>handle_cast(Msg,·State)·should·return<br/>{noreply,·State}·|·{noreply,·State,·Timeout}·|·{stop,·Reason,·State}</p><p>If·the·above·are·not·exported·but·called,·the·wx_object·process·will·crash.·The | 133 | |·{noreply,·State,·Timeout}·|·{stop,·Reason,·Reply,·State}</p><p>handle_cast(Msg,·State)·should·return<br/>{noreply,·State}·|·{noreply,·State,·Timeout}·|·{stop,·Reason,·State}</p><p>If·the·above·are·not·exported·but·called,·the·wx_object·process·will·crash.·The |
| 134 | user·module·can·also·export:</p><p>Info·is·message·e.g.·{'EXIT',·P,·R},·{nodedown,·N},·...<br/>handle_info(Info,·State)·should·return·,·...<br/>{noreply,·State}·|·{noreply,·State,·Timeout}·|·{stop,·Reason,·State}</p><p>If·a·message·is·sent·to·the·wx_object·process·when·handle_info·is·not·exported, | 134 | user·module·can·also·export:</p><p>Info·is·message·e.g.·{'EXIT',·P,·R},·{nodedown,·N},·...<br/>handle_info(Info,·State)·should·return·,·...<br/>{noreply,·State}·|·{noreply,·State,·Timeout}·|·{stop,·Reason,·State}</p><p>If·a·message·is·sent·to·the·wx_object·process·when·handle_info·is·not·exported, |
| 135 | the·message·will·be·dropped·and·ignored.</p><p>When·stop·is·returned·in·one·of·the·functions·above·with·Reason·=·normal·| | 135 | the·message·will·be·dropped·and·ignored.</p><p>When·stop·is·returned·in·one·of·the·functions·above·with·Reason·=·normal·| |
| 136 | shutdown·|·Term,·terminate(State)·is·called.·It·lets·the·user·module·clean·up, | 136 | shutdown·|·Term,·terminate(State)·is·called.·It·lets·the·user·module·clean·up, |
| 137 | it·is·always·called·when·server·terminates·or·when·wx_object()·in·the·driver·is | 137 | it·is·always·called·when·server·terminates·or·when·wx_object()·in·the·driver·is |
| 138 | deleted.·If·the·Parent·process·terminates·the·Module:terminate/2·function·is | 138 | deleted.·If·the·Parent·process·terminates·the·Module:terminate/2·function·is |
| 139 | called.<br/>terminate(Reason,·State)</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 139 | called.<br/>terminate(Reason,·State)</p><p>Example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">··</span><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="6580235461-1">(</span><span·class="ss">myDialog</span><span·class="p"·data-group-id="6580235461-1">)</span><span·class="p">.</span><span·class="w"> |
| 140 | </span><span·class="w">··</span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 140 | </span><span·class="w">··</span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6580235461-2">(</span><span·class="p"·data-group-id="6580235461-3">[</span><span·class="ss">new</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">show</span><span·class="p">/</span><span[·...·truncated·by·diffoscope;·len:·242,·SHA:·e7ce371ea105261b090e34011e7f77b43b8b201676345ed879686b35a03d6906·...·]-2">)</span><span·class="p">.</span><span·class="w">··</span><span·class="c1">%%·API</span><span·class="w"> |
| 141 | </span><span·class="w">··</span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 141 | </span><span·class="w">··</span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="6580235461-4">(</span><span·class="p"·data-group-id="6580235461-5">[</span><span·class="ss">init</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">handle_call</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">handle_event</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 142 | ···········</span><span·class="ss">handle_info</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">terminate</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id=" | 142 | ···········</span><span·class="ss">handle_info</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">code_change</span><span·class="p">/</span><span·class="mi">3</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">terminate</span><span·class="p">/</span><span·class="mi">2</span><span·class="p"·data-group-id="6580235461-5">]</span><span·class="p"·data-group-id="6580235461-4">)</span><span·class="p">.</span><span·class="w"> |
| 143 | ···········</span><span·class="ss">new</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">showModal</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">destroy</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">]</span><span·class="p">)</span><span·class="p">.</span><span·class="w">··</span><span·class="c1">%%·Callbacks</span><span·class="w"> | 143 | ···········</span><span·class="ss">new</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">showModal</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">destroy</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">]</span><span·class="p">)</span><span·class="p">.</span><span·class="w">··</span><span·class="c1">%%·Callbacks</span><span·class="w"> |
| 144 | ··</span><span·class="c1">%%·Client·API</span><span·class="w"> | 144 | ··</span><span·class="c1">%%·Client·API</span><span·class="w"> |
| 145 | ··</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 145 | ··</span><span·class="nf">new</span><span·class="p"·data-group-id="6580235461-6">(</span><span·class="n">Parent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Msg</span><span·class="p"·data-group-id="6580235461-6">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 146 | ·····</span><span·class="nc">wx_object</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id=" | 146 | ·····</span><span·class="nc">wx_object</span><span·class="p">:</span><span·class="nf">start</span><span·class="p"·data-group-id="6580235461-7">(</span><span·class="o">?</span><span·class="n">MODULE</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="6580235461-8">[</span><span·class="n">Parent</span><span·class="p">,</span><span·class="n">Id</span><s[·...·truncated·by·diffoscope;·len:·246,·SHA:·2ae3c1c1b60dbc582658e2750003692db84092ce44816e3edc3d9949355856d6·...·]-7">)</span><span·class="p">.</span><span·class="w"> |
| 147 | ··</span><span·class="nf">show</span><span·class="p"·data-group-id=" | 147 | ··</span><span·class="nf">show</span><span·class="p"·data-group-id="6580235461-10">(</span><span·class="n">Dialog</span><span·class="p"·data-group-id="6580235461-10">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 148 | ·····</span><span·class="nc">wx_object</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 148 | ·····</span><span·class="nc">wx_object</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="6580235461-11">(</span><span·class="n">Dialog</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">show_modal</span><span·class="p"·data-group-id="6580235461-11">)</span><span·class="p">.</span><span·class="w"> |
| 149 | ··</span><span·class="nf">destroy</span><span·class="p"·data-group-id=" | 149 | ··</span><span·class="nf">destroy</span><span·class="p"·data-group-id="6580235461-12">(</span><span·class="n">Dialog</span><span·class="p"·data-group-id="6580235461-12">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 150 | ·····</span><span·class="nc">wx_object</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id=" | 150 | ·····</span><span·class="nc">wx_object</span><span·class="p">:</span><span·class="nf">call</span><span·class="p"·data-group-id="6580235461-13">(</span><span·class="n">Dialog</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">destroy</span><span·class="p"·data-group-id="6580235461-13">)</span><span·class="p">.</span><span·class="w"> |
| 151 | ··</span><span·class="c1">%%·Server·Implementation·ala·gen_server</span><span·class="w"> | 151 | ··</span><span·class="c1">%%·Server·Implementation·ala·gen_server</span><span·class="w"> |
| 152 | ··</span><span·class="nf">init</span><span·class="p"·data-group-id=" | 152 | ··</span><span·class="nf">init</span><span·class="p"·data-group-id="6580235461-14">(</span><span·class="p"·data-group-id="6580235461-15">[</span><span·class="n">Parent</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Str</span><span·class="p"·data-group-id="6580235461-15">]</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·c2b5509d88697405284c91a3fe8d09befb908b74961c8b651183536ea0ae9a1d·...·]-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 153 | ·····</span><span·class="n">Dialog</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">wxDialog</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id=" | 153 | ·····</span><span·class="n">Dialog</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">wxDialog</span><span·class="p">:</span><span·class="nf">new</span><span·class="p"·data-group-id="6580235461-16">(</span><span·class="n">Parent</span><span·class="p">,</span><span·class="w">·</span><span·class="mi">42</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"Testing"</span><span·class="p">,</span><span·class="w">[·...·truncated·by·diffoscope;·len:·157,·SHA:·63cb19629ce8bbb187543fdf16622e651cf17052bbc644856dfa28f12598736d·...·]-16">)</span><span·class="p">,</span><span·class="w"> |
| 154 | ·····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 154 | ·····</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 155 | ·····</span><span·class="nc">wxDialog</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id=" | 155 | ·····</span><span·class="nc">wxDialog</span><span·class="p">:</span><span·class="nf">connect</span><span·class="p"·data-group-id="6580235461-18">(</span><span·class="n">Dialog</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">command_button_clicked</span><span·class="p"·data-group-id="6580235461-18">)</span><span·class="p">,</span><span·class="w"> |
| 156 | ·····</span><span·class="p"·data-group-id=" | 156 | ·····</span><span·class="p"·data-group-id="6580235461-19">{</span><span·class="n">Dialog</span><span·class="p">,</span><span·class="w">·</span><span·class="n">MyState</span><span·class="p"·data-group-id="6580235461-19">}</span><span·class="p">.</span><span·class="w"> |
| 157 | ··</span><span·class="nf">handle_call</span><span·class="p"·data-group-id=" | 157 | ··</span><span·class="nf">handle_call</span><span·class="p"·data-group-id="6580235461-20">(</span><span·class="ss">show</span><span·class="p">,</span><span·class="w">·</span><span·class="p">_</span><span·class="n">From</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id=[·...·truncated·by·diffoscope;·len:·11,·SHA:·c42d56aff7cf5a46d7e09e20e34d168142c553bee42cf2e7ac38a987185e6792·...·]-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 158 | ·····</span><span·class="nc">wxDialog</span><span·class="p">:</span><span·class="nf">show</span><span·class="p"·data-group-id=" | 158 | ·····</span><span·class="nc">wxDialog</span><span·class="p">:</span><span·class="nf">show</span><span·class="p"·data-group-id="6580235461-21">(</span><span·class="n">State</span><span·class="o">#</span><span·class="ss">state</span><span·class="p">.</span><span·class="ss">win</span><span·class="p"·data-group-id="6580235461-21">)</span><span·class="p">,</span><span·class="w"> |
| 159 | ·····</span><span·class="p"·data-group-id=" | 159 | ·····</span><span·class="p"·data-group-id="6580235461-22">{</span><span·class="ss">reply</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="6580235461-22">}</span><span·class="p">;</span><span·class="w"> |
| 160 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 160 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 161 | ··</span><span·class="nf">handle_event</span><span·class="p"·data-group-id=" | 161 | ··</span><span·class="nf">handle_event</span><span·class="p"·data-group-id="6580235461-23">(</span><span·class="o">#</span><span·class="ss">wx</span><span·class="p"·data-group-id="6580235461-24">{</span><span·class="p"·data-group-id="6580235461-24">}</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span[·...·truncated·by·diffoscope;·len:·42,·SHA:·8d9d3345593b38c773f26b5c1f22464dcf3a16a31ad3b4cac6d6ae0aa50106d1·...·]-23">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 162 | ·····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 162 | ·····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="6580235461-25">(</span><span·class="s">"Users·clicked·button</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="p"·data-group-id="6580235461-26">[</span><span·class="p"·data-group-id="6580235461-26">]</sp[·...·truncated·by·diffoscope;·len:·44,·SHA:·99a82819bbdbcafaaa6e18c0d59123252239d927a1b5868d1345fd5be84656be·...·]-25">)</span><span·class="p">,</span><span·class="w"> |
| 163 | ·····</span><span·class="p"·data-group-id=" | 163 | ·····</span><span·class="p"·data-group-id="6580235461-27">{</span><span·class="ss">noreply</span><span·class="p">,</span><span·class="w">·</span><span·class="n">State</span><span·class="p"·data-group-id="6580235461-27">}</span><span·class="p">;</span><span·class="w"> |
| 164 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h2·id="module-data-types"·class="section-heading"> | 164 | ··</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span></code></pre><h2·id="module-data-types"·class="section-heading"> |
| 165 | ··<a·href="#module-data-types"·class="hover-link"> | 165 | ··<a·href="#module-data-types"·class="hover-link"> |
| 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 166 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 167 | ··</a> | 167 | ··</a> |
| 168 | ··<span·class="text">DATA·TYPES</span> | 168 | ··<span·class="text">DATA·TYPES</span> |
| 169 | </h2> | 169 | </h2> |
| 170 | <ul><li><p><strong><a·href=""·id="type-request_id"></a>·request_id()·=·term()</strong></p></li><li><p><strong><a·href=""·id="type-server_ref"></a>·server_ref()·= | 170 | <ul><li><p><strong><a·href=""·id="type-request_id"></a>·request_id()·=·term()</strong></p></li><li><p><strong><a·href=""·id="type-server_ref"></a>·server_ref()·= |
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| 1319 | ······<p·class="built-using"> | 1319 | ······<p·class="built-using"> |
| 1320 | ········Built·using | 1320 | ········Built·using |
| 1321 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1321 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1322 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1322 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1323 | ······</p> | 1323 | ······</p> |
| 1324 | <p>Copyright·©·1996-202 | 1324 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1325 | ····</footer> | 1325 | ····</footer> |
| 1326 | ··</div> | 1326 | ··</div> |
| 1327 | </main> | 1327 | </main> |
| 1328 | </div> | 1328 | </div> |
| 1329 | <script> | 1329 | <script> |
| 1330 | ··function·mermaidLoaded()·{ | 1330 | ··function·mermaidLoaded()·{ |
| 1331 | ····mermaid.initialize({ | 1331 | ····mermaid.initialize({ |
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| 139 | ······<p·class="built-using"> | 139 | ······<p·class="built-using"> |
| 140 | ········Built·using | 140 | ········Built·using |
| 141 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 141 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 142 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 142 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 143 | ······</p> | 143 | ······</p> |
| 144 | <p>Copyright·©·1996-202 | 144 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 145 | ····</footer> | 145 | ····</footer> |
| 146 | ··</div> | 146 | ··</div> |
| 147 | </main> | 147 | </main> |
| 148 | </div> | 148 | </div> |
| 149 | <script> | 149 | <script> |
| 150 | ··function·mermaidLoaded()·{ | 150 | ··function·mermaidLoaded()·{ |
| 151 | ····mermaid.initialize({ | 151 | ····mermaid.initialize({ |
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| 231 | ······<p·class="built-using"> | 231 | ······<p·class="built-using"> |
| 232 | ········Built·using | 232 | ········Built·using |
| 233 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 233 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 234 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 234 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 235 | ······</p> | 235 | ······</p> |
| 236 | <p>Copyright·©·1996-202 | 236 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 237 | ····</footer> | 237 | ····</footer> |
| 238 | ··</div> | 238 | ··</div> |
| 239 | </main> | 239 | </main> |
| 240 | </div> | 240 | </div> |
| 241 | <script> | 241 | <script> |
| 242 | ··function·mermaidLoaded()·{ | 242 | ··function·mermaidLoaded()·{ |
| 243 | ····mermaid.initialize({ | 243 | ····mermaid.initialize({ |
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| 1347 | ········Built·using | 1347 | ········Built·using |
| 1348 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1348 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1349 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1349 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1350 | ······</p> | 1350 | ······</p> |
| 1351 | <p>Copyright·©·1996-202 | 1351 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1352 | ····</footer> | 1352 | ····</footer> |
| 1353 | ··</div> | 1353 | ··</div> |
| 1354 | </main> | 1354 | </main> |
| 1355 | </div> | 1355 | </div> |
| 1356 | <script> | 1356 | <script> |
| 1357 | ··function·mermaidLoaded()·{ | 1357 | ··function·mermaidLoaded()·{ |
| 1358 | ····mermaid.initialize({ | 1358 | ····mermaid.initialize({ |
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| 137 | ······<p·class="built-using"> | 137 | ······<p·class="built-using"> |
| 138 | ········Built·using | 138 | ········Built·using |
| 139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 139 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 140 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 141 | ······</p> | 141 | ······</p> |
| 142 | <p>Copyright·©·1996-202 | 142 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 143 | ····</footer> | 143 | ····</footer> |
| 144 | ··</div> | 144 | ··</div> |
| 145 | </main> | 145 | </main> |
| 146 | </div> | 146 | </div> |
| 147 | <script> | 147 | <script> |
| 148 | ··function·mermaidLoaded()·{ | 148 | ··function·mermaidLoaded()·{ |
| 149 | ····mermaid.initialize({ | 149 | ····mermaid.initialize({ |
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| 1087 | ······<p·class="built-using"> | 1087 | ······<p·class="built-using"> |
| 1088 | ········Built·using | 1088 | ········Built·using |
| 1089 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1089 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1090 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1090 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1091 | ······</p> | 1091 | ······</p> |
| 1092 | <p>Copyright·©·1996-202 | 1092 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1093 | ····</footer> | 1093 | ····</footer> |
| 1094 | ··</div> | 1094 | ··</div> |
| 1095 | </main> | 1095 | </main> |
| 1096 | </div> | 1096 | </div> |
| 1097 | <script> | 1097 | <script> |
| 1098 | ··function·mermaidLoaded()·{ | 1098 | ··function·mermaidLoaded()·{ |
| 1099 | ····mermaid.initialize({ | 1099 | ····mermaid.initialize({ |
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| 538 | ······<p·class="built-using"> | 538 | ······<p·class="built-using"> |
| 539 | ········Built·using | 539 | ········Built·using |
| 540 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 540 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 541 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 541 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 542 | ······</p> | 542 | ······</p> |
| 543 | <p>Copyright·©·1996-202 | 543 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 544 | ····</footer> | 544 | ····</footer> |
| 545 | ··</div> | 545 | ··</div> |
| 546 | </main> | 546 | </main> |
| 547 | </div> | 547 | </div> |
| 548 | <script> | 548 | <script> |
| 549 | ··function·mermaidLoaded()·{ | 549 | ··function·mermaidLoaded()·{ |
| 550 | ····mermaid.initialize({ | 550 | ····mermaid.initialize({ |
| Offset 142, 100 lines modified | Offset 142, 100 lines modified | ||
| 142 | forms·are·<code·class="inline">{Tag, Fun}</code>,·or·<code·class="inline">{Tag, Fun, LocalState}</code>.·The·second·form·can·be·used | 142 | forms·are·<code·class="inline">{Tag, Fun}</code>,·or·<code·class="inline">{Tag, Fun, LocalState}</code>.·The·second·form·can·be·used |
| 143 | to·initialize·the·state·variable·in·question.</p><h4>1.1·User·State</h4><p>All·customization·functions·are·free·to·access·a·"User·state"·variable.·Care | 143 | to·initialize·the·state·variable·in·question.</p><h4>1.1·User·State</h4><p>All·customization·functions·are·free·to·access·a·"User·state"·variable.·Care |
| 144 | must·of·course·be·taken·to·coordinate·the·use·of·this·state.·It·is·recommended | 144 | must·of·course·be·taken·to·coordinate·the·use·of·this·state.·It·is·recommended |
| 145 | that·functions,·which·do·not·really·have·anything·to·contribute·to·the·"global" | 145 | that·functions,·which·do·not·really·have·anything·to·contribute·to·the·"global" |
| 146 | user·state,·use·their·own·state·variable·instead.·Another·option·(used·in·e.g. | 146 | user·state,·use·their·own·state·variable·instead.·Another·option·(used·in·e.g. |
| 147 | <code·class="inline">xmerl_eventp.erl</code>)·is·for·customization·functions·to·share·one·of·the·local | 147 | <code·class="inline">xmerl_eventp.erl</code>)·is·for·customization·functions·to·share·one·of·the·local |
| 148 | states·(in·<code·class="inline">xmerl_eventp.erl</code>,·the·continuation·function·and·the·fetch·function | 148 | states·(in·<code·class="inline">xmerl_eventp.erl</code>,·the·continuation·function·and·the·fetch·function |
| 149 | both·access·the·cont_state.)</p><p>Functions·to·access·user·state:</p><ul><li>··<code·class="inline">xmerl_scan:user_state(GlobalState)</code></li><li>··<code·class="inline">xmerl_scan:user_state(UserState,·GlobalState)</code></li></ul><h4>1.2·Event·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 149 | both·access·the·cont_state.)</p><p>Functions·to·access·user·state:</p><ul><li>··<code·class="inline">xmerl_scan:user_state(GlobalState)</code></li><li>··<code·class="inline">xmerl_scan:user_state(UserState,·GlobalState)</code></li></ul><h4>1.2·Event·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="2837131640-1">{</span><span·class="ss">event_fun</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="2837131640-2">(</span><span·class="p"·data-group-id="2837131640-2">)</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·494,·SHA:·b694240c06b5352b9883fe6e9f025de0abc3283e296b791c74e7da3d0177d203·...·]-3">}</span></code></pre><p>The·event·function·is·called·at·the·beginning·and·at·the·end·of·a·parsed·entity. |
| 150 | It·has·the·following·format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="6 | 150 | It·has·the·following·format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="6163934113-1">(</span><span·class="n">Event</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="6163934113-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 151 | ···</span><span·class="n">EventState</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">event_state</span><span·class="p"·data-group-id="6 | 151 | ···</span><span·class="n">EventState</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">event_state</span><span·class="p"·data-group-id="6163934113-2">(</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="6163934113-2">)</span><span·class="p">,</span><span·class="w"> |
| 152 | ···</span><span·class="n">EventState2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="6 | 152 | ···</span><span·class="n">EventState2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="6163934113-3">(</span><span·class="n">Event</span><span·class="p">,</span><span·class="w">·</span><span·class="n">EventState</span><span·class="p"·data-group-id="6163934113-3">)</span><span·class="p">,</span><span·class="w"> |
| 153 | ···</span><span·class="n">GlobalState2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">event_state</span><span·class="p"·data-group-id="6 | 153 | ···</span><span·class="n">GlobalState2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">event_state</span><span·class="p"·data-group-id="6163934113-4">(</span><span·class="n">EventState2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="6163934113-4">)</span><span·class="w"> |
| 154 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><h4>1.3·Hook·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 154 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><h4>1.3·Hook·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="5490377192-1">{</span><span·class="ss">hook_fun</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="5490377192-2">(</span><span·class="p"·data-group-id="5490377192-2">)</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·491,·SHA:·8bdcaa72fd85600b918682bfee07aee5d9b2da34e0c74f484d44eb32330a9bf6·...·]-3">}</span></code></pre><p>The·hook·function·is·called·when·the·processor·has·parsed·a·complete·entity. |
| 155 | Format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id=" | 155 | Format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="0540441550-1">(</span><span·class="n">Entity</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="0540441550-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 156 | ···</span><span·class="n">HookState</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">hook_state</span><span·class="p"·data-group-id=" | 156 | ···</span><span·class="n">HookState</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">hook_state</span><span·class="p"·data-group-id="0540441550-2">(</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="0540441550-2">)</span><span·class="p">,</span><span·class="w"> |
| 157 | ···</span><span·class="p"·data-group-id=" | 157 | ···</span><span·class="p"·data-group-id="0540441550-3">{</span><span·class="n">TransformedEntity</span><span·class="p">,</span><span·class="w">·</span><span·class="n">HookState2</span><span·class="p"·data-group-id="0540441550-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class=[·...·truncated·by·diffoscope;·len:·241,·SHA:·eb4db1ae879d5e1a10bc0d2b80805ee428ec728cfc1398f039a0d05309325ca2·...·]0-4">)</span><span·class="p">,</span><span·class="w"> |
| 158 | ···</span><span·class="n">GlobalState2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">hook_state</span><span·class="p"·data-group-id=" | 158 | ···</span><span·class="n">GlobalState2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">hook_state</span><span·class="p"·data-group-id="0540441550-5">(</span><span·class="n">HookState2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="0540441550-5">)</span><span·class="p">,</span><span·class="w"> |
| 159 | ···</span><span·class="p"·data-group-id=" | 159 | ···</span><span·class="p"·data-group-id="0540441550-6">{</span><span·class="n">TransformedEntity</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState2</span><span·class="p"·data-group-id="0540441550-6">}</span><span·class="w"> |
| 160 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·relationship·between·the·event·function,·the·hook·function·and·the | 160 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><p>The·relationship·between·the·event·function,·the·hook·function·and·the |
| 161 | accumulator·function·is·as·follows:</p><ol><li>·The·event·function·is·first·called·with·an·'ended'·event·for·the·parsed | 161 | accumulator·function·is·as·follows:</p><ol><li>·The·event·function·is·first·called·with·an·'ended'·event·for·the·parsed |
| 162 | entity.</li><li>·The·hook·function·is·called,·possibly·re-formatting·the·entity.</li><li>·The·acc·function·is·called·in·order·to·(optionally)·add·the·re-formatted | 162 | entity.</li><li>·The·hook·function·is·called,·possibly·re-formatting·the·entity.</li><li>·The·acc·function·is·called·in·order·to·(optionally)·add·the·re-formatted |
| 163 | entity·to·the·contents·of·its·parent·element.</li></ol><h4>1.4·Fetch·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 163 | entity·to·the·contents·of·its·parent·element.</li></ol><h4>1.4·Fetch·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9890768686-1">{</span><span·class="ss">fetch_fun</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="9890768686-2">(</span><span·class="p"·data-group-id="9890768686-2">)</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·494,·SHA:·6627b14326508db19489ac87b25f55051b13666cd31dde730f08524165b4d824·...·]-3">}</span></code></pre><p>The·fetch·function·is·called·in·order·to·fetch·an·external·resource·(e.g.·a |
| 164 | DTD).</p><p>The·fetch·function·can·respond·with·three·different·return·values:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Result</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w"> | 164 | DTD).</p><p>The·fetch·function·can·respond·with·three·different·return·values:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Result</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w"> |
| 165 | ···</span><span·class="p"·data-group-id=" | 165 | ···</span><span·class="p"·data-group-id="9260261462-1">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9260261462-2">{</span><span·class="ss">file</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Filename</span>[·...·truncated·by·diffoscope;·len:·179,·SHA:·f4168b7f9d0a8232282192a32f5d4ddfd41c59a0e762dc2c3f2fae9b198e3858·...·]-1">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 166 | ···</span><span·class="p"·data-group-id=" | 166 | ···</span><span·class="p"·data-group-id="9260261462-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="p"·data-group-id="9260261462-4">{</span><span·class="ss">string</span><span·class="p">,</span><span·class="w">·</span><span·class="n">String</span>[·...·truncated·by·diffoscope;·len:·179,·SHA:·1dc92e8d975e222ea6a6a2573ea284f001c1ef44972b783cff511205cf42959a·...·]-3">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> |
| 167 | ···</span><span·class="p"·data-group-id=" | 167 | ···</span><span·class="p"·data-group-id="9260261462-5">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">not_fetched</span><span·class="p">,</span><span·class="w">·</span><span·class="n">NewGlobalState</span><span·class="p"·data-group-id="926026146[·...·truncated·by·diffoscope;·len:·331,·SHA:·a243d92a3727e2a9b9cbce1f5b46630de4a41f6b7648a18ffbc85c8ff9824d0e·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 168 | ···</span><span·class="n">FetchState</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">fetch_state</span><span·class="p"·data-group-id=" | 168 | ···</span><span·class="n">FetchState</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">fetch_state</span><span·class="p"·data-group-id="7155556276-2">(</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="7155556276-2">)</span><span·class="p">,</span><span·class="w"> |
| 169 | ···</span><span·class="n">Result</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id=" | 169 | ···</span><span·class="n">Result</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">foo</span><span·class="p"·data-group-id="7155556276-3">(</span><span·class="n">URI</span><span·class="p">,</span><span·class="w">·</span><span·class="n">FetchState</span><span·class="p"·data-group-id="7155556276-3">)</span><span·class="p">.</span><span·class="w">··</span><span·class="c1">%·Result·being·one·of·the·above</span><span·class="w"> |
| 170 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><h4>1.5·Continuation·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 170 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><h4>1.5·Continuation·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9974848319-1">{</span><span·class="ss">continuation_fun</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="9974848319-2">(</span><span·class="p"·data-group-id="9974848319-2">)</span><span·class="[·...·truncated·by·diffoscope;·len:·515,·SHA:·bea8f7c37176fe16ee74ad90e3072f83bb447a26f3a17a812ef778054820fc48·...·]-3">}</span></code></pre><p>The·continuation·function·is·called·when·the·parser·encounters·the·end·of·the |
| 171 | byte·stream.·Format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id=" | 171 | byte·stream.·Format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="4465204070-1">(</span><span·class="n">Continue</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Exception</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="4465204070-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 172 | ···</span><span·class="n">ContState</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">cont_state</span><span·class="p"·data-group-id=" | 172 | ···</span><span·class="n">ContState</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">cont_state</span><span·class="p"·data-group-id="4465204070-2">(</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="4465204070-2">)</span><span·class="p">,</span><span·class="w"> |
| 173 | ···</span><span·class="p"·data-group-id=" | 173 | ···</span><span·class="p"·data-group-id="4465204070-3">{</span><span·class="n">Result</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ContState2</span><span·class="p"·data-group-id="4465204070-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span[·...·truncated·by·diffoscope;·len:·165,·SHA:·2339c76dc274bc3c75ef55b49a79fd913e2d9f48bae18bad570f1cda765396dc·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 174 | ···</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Result</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> | 174 | ···</span><span·class="k">case</span><span·class="w">·</span><span·class="n">Result</span><span·class="w">·</span><span·class="k">of</span><span·class="w"> |
| 175 | ······</span><span·class="p"·data-group-id=" | 175 | ······</span><span·class="p"·data-group-id="4465204070-5">[</span><span·class="p"·data-group-id="4465204070-5">]</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 176 | ·········</span><span·class="n">GlobalState2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">cont_state</span><span·class="p"·data-group-id=" | 176 | ·········</span><span·class="n">GlobalState2</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">cont_state</span><span·class="p"·data-group-id="4465204070-6">(</span><span·class="n">ContState2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="4465204070-6">)</span><span·class="p">,</span><span·class="w"> |
| 177 | ·········</span><span·class="n">Exception</span><span·class="p"·data-group-id=" | 177 | ·········</span><span·class="n">Exception</span><span·class="p"·data-group-id="4465204070-7">(</span><span·class="n">GlobalState2</span><span·class="p"·data-group-id="4465204070-7">)</span><span·class="p">;</span><span·class="w"> |
| 178 | ······</span><span·class="n">MoreBytes</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> | 178 | ······</span><span·class="n">MoreBytes</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 179 | ·········</span><span·class="p"·data-group-id=" | 179 | ·········</span><span·class="p"·data-group-id="4465204070-8">{</span><span·class="n">MoreBytes2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Rest</span><span·class="p"·data-group-id="4465204070-8">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·171,·SHA:·35915cf2b37add8a8ef5a55ab5e77bcdd50039fd674dc530c2e53f759a78cb69·...·]-9">)</span><span·class="p">,</span><span·class="w"> |
| 180 | ·········</span><span·class="n">ContState3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">update_cont_state</span><span·class="p"·data-group-id=" | 180 | ·········</span><span·class="n">ContState3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nf">update_cont_state</span><span·class="p"·data-group-id="4465204070-10">(</span><span·class="n">Rest</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ContState2</span><span·class="p"·data-group-id="4465204070-10">)</span><span·class="p">,</span><span·class="w"> |
| 181 | ·········</span><span·class="n">GlobalState3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">cont_state</span><span·class="p"·data-group-id=" | 181 | ·········</span><span·class="n">GlobalState3</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">cont_state</span><span·class="p"·data-group-id="4465204070-11">(</span><span·class="n">ContState3</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="4465204070-11">)</span><span·class="p">,</span><span·class="w"> |
| 182 | ·········</span><span·class="n">Continue</span><span·class="p"·data-group-id=" | 182 | ·········</span><span·class="n">Continue</span><span·class="p"·data-group-id="4465204070-12">(</span><span·class="n">MoreBytes2</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState3</span><span·class="p"·data-group-id="4465204070-12">)</span><span·class="w"> |
| 183 | ···</span><span·class="k">end</span><span·class="w"> | 183 | ···</span><span·class="k">end</span><span·class="w"> |
| 184 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><h4>1.6·Rules·Functions</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="4987982324-1">{</span><span·class="ss">rules</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ReadFun</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="4987982324-2">(</span><span·class="p"·data-group-id="4987982324-2">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">WriteFun</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="4987982324-3">(</span><span·class="p"·data-group-id="4987982324-3">)</span><span·class="p">,</span><span·class="w">·</span><span·class="n">RulesState</span><span·class="p"·data-group-id="4987982324-1">}</span><span·class="w">·</span><span·class="p">|</span><span·class="w"> | ||
| 185 | </span><span·class=" | 184 | </span><span·class="k">end</span><span·class="p">.</span></code></pre><h4>1.6·Rules·Functions</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="8828296849-1">{</span><span·class="ss">rules</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·717,·SHA:·3ebebac77b826b6a2faeb52f80b023ec5b4f5f29071aef39354568208379ceca·...·] |
| 185 | </span><span·class="p"·data-group-id="8828296849-4">{</span><span·class="ss">rules</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Table</span><span·class="w">·</span><span·class="p">:</span><span·class="w">·</span><span·class="nf">ets</span><span·class="p"·data-group-id="8828296849-5">(</span><span·class="p"·data-group-id="8828296849-5">)</span><span·class="p"·data-group-id="8828296849-4">}</span></code></pre><p>The·rules·functions·take·care·of·storing·scanner·information·in·a·rules | ||
| 186 | database.·User-provided·rules·functions·may·opt·to·store·the·information·in | 186 | database.·User-provided·rules·functions·may·opt·to·store·the·information·in |
| 187 | mnesia,·or·perhaps·in·the·user_state(RulesState).</p><p>The·following·modes·exist:</p><ul><li>··If·the·user·doesn't·specify·an·option,·the·scanner·creates·an·ets·table,·and | 187 | mnesia,·or·perhaps·in·the·user_state(RulesState).</p><p>The·following·modes·exist:</p><ul><li>··If·the·user·doesn't·specify·an·option,·the·scanner·creates·an·ets·table,·and |
| 188 | uses·built-in·functions·to·read·and·write·data·to·it.·When·the·scanner·is | 188 | uses·built-in·functions·to·read·and·write·data·to·it.·When·the·scanner·is |
| 189 | done,·the·ets·table·is·deleted.</li><li>··If·the·user·specifies·an·ets·table·via·the·<code·class="inline">{rules, Table}</code>·option,·the | 189 | done,·the·ets·table·is·deleted.</li><li>··If·the·user·specifies·an·ets·table·via·the·<code·class="inline">{rules, Table}</code>·option,·the |
| 190 | scanner·uses·this·table.·When·the·scanner·is·done,·it·does·<em>not</em>·delete·the | 190 | scanner·uses·this·table.·When·the·scanner·is·done,·it·does·<em>not</em>·delete·the |
| 191 | table.</li><li>··If·the·user·specifies·read·and·write·functions,·the·scanner·will·use·them | 191 | table.</li><li>··If·the·user·specifies·read·and·write·functions,·the·scanner·will·use·them |
| 192 | instead.</li></ul><p>The·format·for·the·read·and·write·functions·are·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="n">WriteFun</span><span·class="p"·data-group-id=" | 192 | instead.</li></ul><p>The·format·for·the·read·and·write·functions·are·as·follows:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">·</span><span·class="n">WriteFun</span><span·class="p"·data-group-id="5013521844-1">(</span><span·class="n">Context</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Definition</span><span·class="p">,</span><span·class="w">·</span>[·...·truncated·by·diffoscope;·len:·76,·SHA:·d9870fee6a2a8f553a17e203fc1f277bd629dbe9a862a0357c18374c3da74745·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">NewScannerState</span><span·class="p">.</span><span·class="w"> |
| 193 | ·</span><span·class="n">ReadFun</span><span·class="p"·data-group-id=" | 193 | ·</span><span·class="n">ReadFun</span><span·class="p"·data-group-id="5013521844-2">(</span><span·class="n">Context</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Name</span><span·class="p">,</span><span·class="w">·</span><span·class="n">ScannerState</span><span·class="p"·data-group-id="5013521844-2">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Definition</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">undefined</span><span·class="p">.</span></code></pre><p>Here·is·a·summary·of·the·data·objects·currently·being·written·by·the·scanner:</p><table><thead><tr><th·style="text-align:·left;">Context</th><th·style="text-align:·left;">Key·Value</th><th·style="text-align:·left;">Definition</th></tr></thead><tbody><tr><td·style="text-align:·left;">notation</td><td·style="text-align:·left;">NotationName</td><td·style="text-align:·left;"><code·class="inline">{system, SL}·|·{public, PIDL, SL}</code></td></tr><tr><td·style="text-align:·left;">elem_def</td><td·style="text-align:·left;">ElementName</td><td·style="text-align:·left;"><code·class="inline">#xmlElement{content·=·ContentSpec}</code></td></tr><tr><td·style="text-align:·left;">parameter_entity</td><td·style="text-align:·left;">PEName</td><td·style="text-align:·left;"><code·class="inline">PEDef</code></td></tr><tr><td·style="text-align:·left;">entity</td><td·style="text-align:·left;">EntityName</td><td·style="text-align:·left;"><code·class="inline">EntityDef</code></td></tr></tbody></table><p><strong>·Table·1:</strong>·Scanner·data·objects</p><p>where</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">ContentSpec</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="ss">empty</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">any</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">ElemContent</span><span·class="w"> |
| 194 | </span><span·class="n">ElemContent</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="p"·data-group-id="7 | 194 | </span><span·class="n">ElemContent</span><span·class="w">·</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="p"·data-group-id="7972699362-1">{</span><span·class="n">Mode</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Elems</span><span·class="p"·data-group-id="7972699362-1">}</span><span·class="w"> |
| 195 | </span><span·class="n">Mode</span><span·class="w">········</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="ss">seq</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">choice</span><span·class="w"> | 195 | </span><span·class="n">Mode</span><span·class="w">········</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="ss">seq</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">choice</span><span·class="w"> |
| 196 | </span><span·class="n">Elems</span><span·class="w">·······</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="p"·data-group-id="7 | 196 | </span><span·class="n">Elems</span><span·class="w">·······</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="p"·data-group-id="7972699362-2">[</span><span·class="n">Elem</span><span·class="p"·data-group-id="7972699362-2">]</span><span·class="w"> |
| 197 | </span><span·class="n">Elem</span><span·class="w">········</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="ss">'#PCDATA'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Name</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">ElemContent</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="7 | 197 | </span><span·class="n">Elem</span><span·class="w">········</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="ss">'#PCDATA'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">Name</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="n">ElemContent</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="p"·data-group-id="7972699362-3">{</span><span·class="n">Occurrence</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Elems</span><span·class="p"·data-group-id="7972699362-3">}</span><span·class="w"> |
| 198 | </span><span·class="n">Occurrence</span><span·class="w">··</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="ss">'*'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'?'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'+'</span></code></pre><p>NOTE:·<em>When·<Elem>·is·not·wrapped·with·<Occurrence>,·(Occurrence·=·once)·is | 198 | </span><span·class="n">Occurrence</span><span·class="w">··</span><span·class="p">:</span><span·class="p">:=</span><span·class="w">·</span><span·class="ss">'*'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'?'</span><span·class="w">·</span><span·class="p">|</span><span·class="w">·</span><span·class="ss">'+'</span></code></pre><p>NOTE:·<em>When·<Elem>·is·not·wrapped·with·<Occurrence>,·(Occurrence·=·once)·is |
| 199 | implied.</em></p><h4>1.7·Accumulator·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id=" | 199 | implied.</em></p><h4>1.7·Accumulator·Function</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="p"·data-group-id="9681409456-1">{</span><span·class="ss">acc_fun</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="9681409456-2">(</span><span·class="p"·data-group-id="9681409456-2">)</span><span·class="p"·data-g[·...·truncated·by·diffoscope;·len:·19,·SHA:·16f120b4e16865d274b42cfcc8fb42926837966ff51e7c770969a6275f1bd6a9·...·]-1">}</span></code></pre><p>The·accumulator·function·is·called·to·accumulate·the·contents·of·an·entity.When |
| 200 | parsing·very·large·files,·it·may·not·be·desirable·to·do·so.In·this·case,·an·acc | 200 | parsing·very·large·files,·it·may·not·be·desirable·to·do·so.In·this·case,·an·acc |
| 201 | function·can·be·provided·that·simply·doesn't·accumulate.</p><p>Note·that·it·is·possible·to·even·modify·the·parsed·entity·before·accumulating | 201 | function·can·be·provided·that·simply·doesn't·accumulate.</p><p>Note·that·it·is·possible·to·even·modify·the·parsed·entity·before·accumulating |
| 202 | it,·but·this·must·be·done·with·care.·xmerl_scan·performs·post-processing·of·the | 202 | it,·but·this·must·be·done·with·care.·xmerl_scan·performs·post-processing·of·the |
| 203 | element·for·namespace·management.·Thus,·the·element·must·keep·its·original | 203 | element·for·namespace·management.·Thus,·the·element·must·keep·its·original |
| 204 | structure·for·this·to·work.</p><p>The·acc·function·has·the·following·format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·default·accumulating·acc·fun</span><span·class="w"> | 204 | structure·for·this·to·work.</p><p>The·acc·function·has·the·following·format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="c1">%%·default·accumulating·acc·fun</span><span·class="w"> |
| 205 | </span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 205 | </span><span·class="nf">fun</span><span·class="p"·data-group-id="3402195491-1">(</span><span·class="n">ParsedEntity</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="3402195491-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 206 | ···</span><span·class="p"·data-group-id=" | 206 | ···</span><span·class="p"·data-group-id="3402195491-2">{</span><span·class="p"·data-group-id="3402195491-3">[</span><span·class="n">ParsedEntity</span><span·class="p">|</span><span·class="n">Acc</span><span·class="p"·data-group-id="3402195491-3">]</span><span·class="p">,</span><span·class="w">·</[·...·truncated·by·diffoscope;·len:·80,·SHA:·cb69db5b42226ccb63013be9ff2866aa385fa346eb2cdcfef3221adedf635a72·...·]-2">}</span><span·class="p">.</span><span·class="w"> |
| 207 | </span><span·class="c1">%%·non-accumulating·acc·fun</span><span·class="w"> | 207 | </span><span·class="c1">%%·non-accumulating·acc·fun</span><span·class="w"> |
| 208 | </span><span·class="nf">fun</span><span·class="p"·data-group-id=" | 208 | </span><span·class="nf">fun</span><span·class="p"·data-group-id="3402195491-4">(</span><span·class="n">ParsedEntity</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Acc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="3402195491-4">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 209 | ···</span><span·class="p"·data-group-id=" | 209 | ···</span><span·class="p"·data-group-id="3402195491-5">{</span><span·class="n">Acc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="3402195491-5">}</span><span·class="p">.</span></code></pre><h4>1.8·Close·Function</h4><p>The·close·function·is·called·when·a·document·(either·the·main·document·or·an |
| 210 | external·DTD)·has·been·completely·parsed.·When·xmerl_scan·was·started·using | 210 | external·DTD)·has·been·completely·parsed.·When·xmerl_scan·was·started·using |
| 211 | <code·class="inline">xmerl_scan:file/[1,2]</code>,·the·file·will·be·read·in·full,·and·closed·immediately, | 211 | <code·class="inline">xmerl_scan:file/[1,2]</code>,·the·file·will·be·read·in·full,·and·closed·immediately, |
| 212 | before·the·parsing·starts,·so·when·the·close·function·is·called,·it·will·not | 212 | before·the·parsing·starts,·so·when·the·close·function·is·called,·it·will·not |
| 213 | need·to·actually·close·the·file.·In·this·case,·the·close·function·will·be·a·good | 213 | need·to·actually·close·the·file.·In·this·case,·the·close·function·will·be·a·good |
| 214 | place·to·modify·the·state·variables.</p><p>Format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id=" | 214 | place·to·modify·the·state·variables.</p><p>Format·and·semantics:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">fun</span><span·class="p"·data-group-id="8535647767-1">(</span><span·class="n">GlobalState</span><span·class="p"·data-group-id="8535647767-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 215 | ···</span><span·class="n">GlobalState1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w">··</span><span·class="c1">%·state·variables·may·be·altered</span></code></pre><h3·id="2-examples"·class="section-heading"> | 215 | ···</span><span·class="n">GlobalState1</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w">··</span><span·class="c1">%·state·variables·may·be·altered</span></code></pre><h3·id="2-examples"·class="section-heading"> |
| 216 | ··<a·href="#2-examples"·class="hover-link"> | 216 | ··<a·href="#2-examples"·class="hover-link"> |
| 217 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 217 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 218 | ··</a> | 218 | ··</a> |
| 219 | ··<span·class="text">2·Examples</span> | 219 | ··<span·class="text">2·Examples</span> |
| 220 | </h3> | 220 | </h3> |
| 221 | <p>See·<code·class="inline">xmerl_test.erl</code>·for·more·examples.</p><h4>2.1·Handling·spaces</h4><p>The·following·sample·program·illustrates·three·ways·of·scanning·a·document:</p><ol><li>·the·default·scan,·which·leaves·whitespace·untouched</li><li>·normalizing·spaces</li><li>·normalizing·spaces,·then·removing·text·elements·that·only·contain·one·space.</li></ol><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id=" | 221 | <p>See·<code·class="inline">xmerl_test.erl</code>·for·more·examples.</p><h4>2.1·Handling·spaces</h4><p>The·following·sample·program·illustrates·three·ways·of·scanning·a·document:</p><ol><li>·the·default·scan,·which·leaves·whitespace·untouched</li><li>·normalizing·spaces</li><li>·normalizing·spaces,·then·removing·text·elements·that·only·contain·one·space.</li></ol><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">module</span><span·class="p"·data-group-id="4176506666-1">(</span><span·class="ss">tmp</span><span·class="p"·data-group-id="4176506666-1">)</span><span·class="p">.</span><span·class="w"> |
| 222 | </span><span·class="w"> | 222 | </span><span·class="w"> |
| 223 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 223 | </span><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="4176506666-2">(</span><span·class="s">"xmerl.hrl"</span><span·class="p"·data-group-id="4176506666-2">)</span><span·class="p">.</span><span·class="w"> |
| 224 | </span><span·class="w"> | 224 | </span><span·class="w"> |
| 225 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id=" | 225 | </span><span·class="p">-</span><span·class="na">export</span><span·class="p"·data-group-id="4176506666-3">(</span><span·class="p"·data-group-id="4176506666-4">[</span><span·class="ss">file1</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">file2</span><span·class="p">/</span><s[·...·truncated·by·diffoscope;·len:·243,·SHA:·4133e003bf3d8af4801729e421ecdb3172f9e375ab27f6dbdf5ed33d6a5a7151·...·]-3">)</span><span·class="p">.</span><span·class="w"> |
| 226 | </span><span·class="nf">file1</span><span·class="p"·data-group-id=" | 226 | </span><span·class="nf">file1</span><span·class="p"·data-group-id="4176506666-5">(</span><span·class="n">F</span><span·class="p"·data-group-id="4176506666-5">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">file</[·...·truncated·by·diffoscope;·len:·123,·SHA:·643a5c6f0f6d848d8029efc920a81e2a883c8cc4e2e51b3bbd6fd3d4b2775d05·...·]-6">)</span><span·class="p">.</span><span·class="w"> |
| 227 | </span><span·class="nf">file2</span><span·class="p"·data-group-id=" | 227 | </span><span·class="nf">file2</span><span·class="p"·data-group-id="4176506666-7">(</span><span·class="n">F</span><span·class="p"·data-group-id="4176506666-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">file</[·...·truncated·by·diffoscope;·len:·471,·SHA:·1e7ec3e5b7dd682f9337d974d17ca542c6ee0f8587593a9ccd9e3f262dde8bf8·...·]-8">)</span><span·class="p">.</span><span·class="w"> |
| 228 | </span><span·class="nf">file3</span><span·class="p"·data-group-id=" | 228 | </span><span·class="nf">file3</span><span·class="p"·data-group-id="4176506666-11">(</span><span·class="n">F</span><span·class="p"·data-group-id="4176506666-11">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w">·</span><span·class="n">Acc</span><span·class="w">·</span><span·class="o">=</span><span[·...·truncated·by·diffoscope;·len:·888,·SHA:·988e35291236edbfed853e11d903054b784de706a87ef05a644929b9ac7b3a1b·...·]-14">{</span><span·class="n">Acc</span><span·class="p">,</span><span·class="w">·</span><span·class="n">P</span><span·class="p">,</span><span·class="w"> |
| 229 | </span><span·class="n">S</span><span·class="p"·data-group-id=" | 229 | </span><span·class="n">S</span><span·class="p"·data-group-id="4176506666-14">}</span><span·class="p">;</span><span·class="w">·</span><span·class="c1">%·new·return·format·(X,·Acc,·S)·->·{[X|Acc],·S}·end,·xmerl_scan:file(F,</span><span·class="w"> |
| 230 | </span><span·class="p"·data-group-id=" | 230 | </span><span·class="p"·data-group-id="4176506666-15">[</span><span·class="p"·data-group-id="4176506666-16">{</span><span·class="ss">space</span><span·class="p">,</span><span·class="ss">normalize</span><span·class="p"·data-group-id="4176506666-16">}</span><span·class="p">,</span><span·class="w"[·...·truncated·by·diffoscope;·len:·263,·SHA:·f33af8705e033ff43cdd6b083ad1307ad1c0c665df1e2a975758b950855ee31b·...·]-15">]</span><span·class="p">)</span><span·class="p">.</span></code></pre> |
| 231 | </div> | 231 | </div> |
| 232 | <div·class="bottom-actions"·id="bottom-actions"> | 232 | <div·class="bottom-actions"·id="bottom-actions"> |
| 233 | ··<div·class="bottom-actions-item"> | 233 | ··<div·class="bottom-actions-item"> |
| 234 | ······<a·href="xmerl_ug.html"·class="bottom-actions-button"·rel="prev"> | 234 | ······<a·href="xmerl_ug.html"·class="bottom-actions-button"·rel="prev"> |
| 235 | ········<span·class="subheader"> | 235 | ········<span·class="subheader"> |
| Offset 274, 15 lines modified | Offset 274, 15 lines modified | ||
| 274 | ······<p·class="built-using"> | 274 | ······<p·class="built-using"> |
| 275 | ········Built·using | 275 | ········Built·using |
| 276 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 276 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 277 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 277 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 278 | ······</p> | 278 | ······</p> |
| 279 | <p>Copyright·©·1996-202 | 279 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 280 | ····</footer> | 280 | ····</footer> |
| 281 | ··</div> | 281 | ··</div> |
| 282 | </main> | 282 | </main> |
| 283 | </div> | 283 | </div> |
| 284 | <script> | 284 | <script> |
| 285 | ··function·mermaidLoaded()·{ | 285 | ··function·mermaidLoaded()·{ |
| 286 | ····mermaid.initialize({ | 286 | ····mermaid.initialize({ |
| Offset 769, 15 lines modified | Offset 769, 15 lines modified | ||
| 769 | ······<p·class="built-using"> | 769 | ······<p·class="built-using"> |
| 770 | ········Built·using | 770 | ········Built·using |
| 771 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 771 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 772 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 772 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 773 | ······</p> | 773 | ······</p> |
| 774 | <p>Copyright·©·1996-202 | 774 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 775 | ····</footer> | 775 | ····</footer> |
| 776 | ··</div> | 776 | ··</div> |
| 777 | </main> | 777 | </main> |
| 778 | </div> | 778 | </div> |
| 779 | <script> | 779 | <script> |
| 780 | ··function·mermaidLoaded()·{ | 780 | ··function·mermaidLoaded()·{ |
| 781 | ····mermaid.initialize({ | 781 | ····mermaid.initialize({ |
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| 1099 | ······<p·class="built-using"> | 1099 | ······<p·class="built-using"> |
| 1100 | ········Built·using | 1100 | ········Built·using |
| 1101 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 1101 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 1102 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 1102 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 1103 | ······</p> | 1103 | ······</p> |
| 1104 | <p>Copyright·©·1996-202 | 1104 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 1105 | ····</footer> | 1105 | ····</footer> |
| 1106 | ··</div> | 1106 | ··</div> |
| 1107 | </main> | 1107 | </main> |
| 1108 | </div> | 1108 | </div> |
| 1109 | <script> | 1109 | <script> |
| 1110 | ··function·mermaidLoaded()·{ | 1110 | ··function·mermaidLoaded()·{ |
| 1111 | ····mermaid.initialize({ | 1111 | ····mermaid.initialize({ |
| Offset 189, 24 lines modified | Offset 189, 24 lines modified | ||
| 189 | first·element·in·each·tuple·is·the·name·of·the·parent·element.·The·list·is·in | 189 | first·element·in·each·tuple·is·the·name·of·the·parent·element.·The·list·is·in |
| 190 | reverse·order.</p><p>The·record·<code·class="inline">#xmlAttribute{}</code>·holds·the·name·and·value·of·an·attribute | 190 | reverse·order.</p><p>The·record·<code·class="inline">#xmlAttribute{}</code>·holds·the·name·and·value·of·an·attribute |
| 191 | in·the·fields·<code·class="inline">name</code>·and·<code·class="inline">value</code>.·All·attributes·of·an·element·is·a·list·of | 191 | in·the·fields·<code·class="inline">name</code>·and·<code·class="inline">value</code>.·All·attributes·of·an·element·is·a·list·of |
| 192 | <code·class="inline">#xmlAttribute{}</code>·in·the·field·<code·class="inline">attributes</code>·of·the·<code·class="inline">#xmlElement{}</code>·record.</p><p>The·<code·class="inline">content</code>·field·of·the·top·element·is·a·list·of·records·that·shows·the | 192 | <code·class="inline">#xmlAttribute{}</code>·in·the·field·<code·class="inline">attributes</code>·of·the·<code·class="inline">#xmlElement{}</code>·record.</p><p>The·<code·class="inline">content</code>·field·of·the·top·element·is·a·list·of·records·that·shows·the |
| 193 | structure·and·data·of·the·document.·If·it·is·a·simple·document·like:</p><pre><code·class="text"><?xml·version="1.0"?> | 193 | structure·and·data·of·the·document.·If·it·is·a·simple·document·like:</p><pre><code·class="text"><?xml·version="1.0"?> |
| 194 | <dog> | 194 | <dog> |
| 195 | Grand·Danois | 195 | Grand·Danois |
| 196 | </dog></code></pre><p>The·parse·result·will·be:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id=" | 196 | </dog></code></pre><p>The·parse·result·will·be:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="7396166229-1">{</span><span·class="ss">name</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="ss">dog</span><span·class="p">,</span><span·class="w"> |
| 197 | ············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 197 | ············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 198 | ············</span><span·class="ss">parents</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 198 | ············</span><span·class="ss">parents</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7396166229-2">[</span><span·class="p"·data-group-id="7396166229-2">]</span><span·class="p">,</span><span·class="w"> |
| 199 | ············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 199 | ············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 200 | ············</span><span·class="ss">attributes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 200 | ············</span><span·class="ss">attributes</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7396166229-3">[</span><span·class="p"·data-group-id="7396166229-3">]</span><span·class="p">,</span><span·class="w"> |
| 201 | ············</span><span·class="ss">content</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id=" | 201 | ············</span><span·class="ss">content</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="p"·data-group-id="7396166229-4">[</span><span·class="p"·data-group-id="7396166229-5">{</span><span·class="ss">xmlText</span><span·class="p">,</span><span·class="p"·data-group-id="7396166229-6">[</span><span·class="p"·data-group-id="7396166229-7">{</span><span·class="ss">dog[·...·truncated·by·diffoscope;·len:·329,·SHA:·e182dfb0f839a45c3ebfb1637a4fca14ed8b99fafc6ccab7fb140d9207f62795·...·]-8">]</span><span·class="p">,</span><span·class="s">"\ |
| 202 | Grand·Danois\ | 202 | Grand·Danois\ |
| 203 | "</span><span·class="p">,</span><span·class="ss">text</span><span·class="p"·data-group-id=" | 203 | "</span><span·class="p">,</span><span·class="ss">text</span><span·class="p"·data-group-id="7396166229-5">}</span><span·class="p"·data-group-id="7396166229-4">]</span><span·class="p">,</span><span·class="w"> |
| 204 | ············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 204 | ············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 205 | ············</span><span·class="p"·data-group-id=" | 205 | ············</span><span·class="p"·data-group-id="7396166229-1">}</span></code></pre><p>Where·the·content·of·the·top·element·is: |
| 206 | <code·class="inline">[{xmlText,[{dog,1}],1,[],"\·Grand·Danois\·",text}]</code>.·Text·will·be·returned·in | 206 | <code·class="inline">[{xmlText,[{dog,1}],1,[],"\·Grand·Danois\·",text}]</code>.·Text·will·be·returned·in |
| 207 | <code·class="inline">xmlText</code>·records.·Though,·usually·documents·are·more·complex,·and·the·content | 207 | <code·class="inline">xmlText</code>·records.·Though,·usually·documents·are·more·complex,·and·the·content |
| 208 | of·the·top·element·will·in·that·case·be·a·nested·structure·with·<code·class="inline">#xmlElement{}</code> | 208 | of·the·top·element·will·in·that·case·be·a·nested·structure·with·<code·class="inline">#xmlElement{}</code> |
| 209 | records·that·in·turn·may·have·complex·content.·All·of·this·reflects·the | 209 | records·that·in·turn·may·have·complex·content.·All·of·this·reflects·the |
| 210 | structure·of·the·XML·document.</p><p>Space·characters·between·mark-up·as·<code·class="inline">space</code>,·<code·class="inline">tab</code>·and·<code·class="inline">line·feed</code>·are | 210 | structure·of·the·XML·document.</p><p>Space·characters·between·mark-up·as·<code·class="inline">space</code>,·<code·class="inline">tab</code>·and·<code·class="inline">line·feed</code>·are |
| 211 | normalized·and·returned·as·xmlText·records.</p><h3·id="errors"·class="section-heading"> | 211 | normalized·and·returned·as·xmlText·records.</p><h3·id="errors"·class="section-heading"> |
| 212 | ··<a·href="#errors"·class="hover-link"> | 212 | ··<a·href="#errors"·class="hover-link"> |
| Offset 267, 49 lines modified | Offset 267, 49 lines modified | ||
| 267 | <!--·Date·of·the·format·yyyy.mm.dd·--> | 267 | <!--·Date·of·the·format·yyyy.mm.dd·--> |
| 268 | <!ELEMENT·date··············(#PCDATA)> | 268 | <!ELEMENT·date··············(#PCDATA)> |
| 269 | <!ATTLIST··bike·year·NMTOKEN·#REQUIRED | 269 | <!ATTLIST··bike·year·NMTOKEN·#REQUIRED |
| 270 | ················color·NMTOKENS·#REQUIRED | 270 | ················color·NMTOKENS·#REQUIRED |
| 271 | ················condition·(useless·|·bad·|·serviceable·|·moderate·|·good·| | 271 | ················condition·(useless·|·bad·|·serviceable·|·moderate·|·good·| |
| 272 | ···························excellent·|·new·|·outstanding)·"excellent"·></code></pre><p>If·you·want·to·parse·the·XML·file·motorcycles.xml·you·run·it·in·the·Erlang·shell | 272 | ···························excellent·|·new·|·outstanding)·"excellent"·></code></pre><p>If·you·want·to·parse·the·XML·file·motorcycles.xml·you·run·it·in·the·Erlang·shell |
| 273 | like:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="p"·data-group-id=" | 273 | like:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="gp·unselectable">3>·</span><span·class="p"·data-group-id="3055427921-1">{</span><span·class="n">ParseResult</span><span·class="p">,</span><span·class="n">Misc</span><span·class="p"·data-group-id="3055427921-1">}</span><span·class="o">=</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="n[·...·truncated·by·diffoscope;·len:·158,·SHA:·f43ee92e81e124634ff56d268557424e73eeaf3149a7ee45317b9039f181633e·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 274 | </span><span·class="p"·data-group-id=" | 274 | </span><span·class="p"·data-group-id="3055427921-3">{</span><span·class="p"·data-group-id="3055427921-4">{</span><span·class="ss">xmlElement</span><span·class="p">,</span><span·class="ss">motorcycles</span><span·class="p">,</span><span·class="w"> |
| 275 | ·············</span><span·class="ss">motorcycles</span><span·class="p">,</span><span·class="w"> | 275 | ·············</span><span·class="ss">motorcycles</span><span·class="p">,</span><span·class="w"> |
| 276 | ·············</span><span·class="p"·data-group-id=" | 276 | ·············</span><span·class="p"·data-group-id="3055427921-5">[</span><span·class="p"·data-group-id="3055427921-5">]</span><span·class="p">,</span><span·class="w"> |
| 277 | ·············</span><span·class="p"·data-group-id=" | 277 | ·············</span><span·class="p"·data-group-id="3055427921-6">{</span><span·class="ss">xmlNamespace</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-7">[</span><span·class="p"·data-group-id="3055427921-7">]</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-8"[·...·truncated·by·diffoscope;·len:·103,·SHA:·a4fe170000ec08c9edbf07443135466704555ca4ac58fe3088088c036cb2c89b·...·]-6">}</span><span·class="p">,</span><span·class="w"> |
| 278 | ·············</span><span·class="p"·data-group-id=" | 278 | ·············</span><span·class="p"·data-group-id="3055427921-9">[</span><span·class="p"·data-group-id="3055427921-9">]</span><span·class="p">,</span><span·class="w"> |
| 279 | ·············</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 279 | ·············</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 280 | ·············</span><span·class="p"·data-group-id=" | 280 | ·············</span><span·class="p"·data-group-id="3055427921-10">[</span><span·class="p"·data-group-id="3055427921-10">]</span><span·class="p">,</span><span·class="w"> |
| 281 | ·············</span><span·class="p"·data-group-id=" | 281 | ·············</span><span·class="p"·data-group-id="3055427921-11">[</span><span·class="p"·data-group-id="3055427921-12">{</span><span·class="ss">xmlText</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-13">[</span><span·class="p"·data-group-id="3055427921-14">{</span><span·class="ss"[·...·truncated·by·diffoscope;·len:·344,·SHA:·2e6bd9a461253a7d8c4f6e6405bd61d2bb4155f9a72fb179076acd882f33b122·...·]-15">]</span><span·class="p">,</span><span·class="s">"\ |
| 282 | ··"</span><span·class="p">,</span><span·class="ss">text</span><span·class="p"·data-group-id=" | 282 | ··"</span><span·class="p">,</span><span·class="ss">text</span><span·class="p"·data-group-id="3055427921-12">}</span><span·class="p">,</span><span·class="w"> |
| 283 | ··············</span><span·class="p"·data-group-id=" | 283 | ··············</span><span·class="p"·data-group-id="3055427921-16">{</span><span·class="ss">xmlElement</span><span·class="p">,</span><span·class="ss">bike</span><span·class="p">,</span><span·class="w"> |
| 284 | ··························</span><span·class="ss">bike</span><span·class="p">,</span><span·class="w"> | 284 | ··························</span><span·class="ss">bike</span><span·class="p">,</span><span·class="w"> |
| 285 | ··························</span><span·class="p"·data-group-id=" | 285 | ··························</span><span·class="p"·data-group-id="3055427921-17">[</span><span·class="p"·data-group-id="3055427921-17">]</span><span·class="p">,</span><span·class="w"> |
| 286 | ··························</span><span·class="p"·data-group-id="6272141289-18">{</span><span·class="ss">xmlNamespace</span><span·class="p">,</span><span·class="p"·data-group-id="6272141289-19">[</span><span·class="p"·data-group-id="6272141289-19">]</span><span·class="p">,</span><span·class="p"·data-group-id="6272141289-20">[</span><span·class="p"·data-group-id="6272141289-20">]</span><span·class="p"·data-group-id="6272141289-18">}</span><span·class="p">,</span><span·class="w"> | ||
| 287 | ··························</span><span·class="p"·data-group-id=" | 286 | ··························</span><span·class="p"·data-group-id="3055427921-18">{</span><span·class="ss">xmlNamespace</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-19">[</span><span·class="p"·data-group-id="3055427921-19">]</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921[·...·truncated·by·diffoscope;·len:·114,·SHA:·382d7e1d41d7bac5750a644cf56a5e4b2cac495fd5a09c1bb2919fa5aef381cc·...·]</span><span·class="p">,</span><span·class="w"> |
| 287 | ··························</span><span·class="p"·data-group-id="3055427921-21">[</span><span·class="p"·data-group-id="3055427921-22">{</span><span·class="ss">motorcycles</span><span·class="p">,</span><span·class="mi">1</span><span·class="p"·data-group-id="3055427921-22">}</span><span·class="p"·data-group-id="3055427921-21">]</span><span·class="p">,</span><span·class="w"> | ||
| 288 | ··························</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> | 288 | ··························</span><span·class="mi">2</span><span·class="p">,</span><span·class="w"> |
| 289 | ··························</span><span·class="p"·data-group-id="6272141289-23">[</span><span·class="p"·data-group-id="6272141289-24">{</span><span·class="ss">xmlAttribute</span><span·class="p">,</span><span·class="ss">year</span><span·class="p">,</span><span·class="p"·data-group-id="6272141289-25">[</span><span·class="p"·data-group-id="6272141289-25">]</span><span·class="p">,</span><span·class="p"·data-group-id="6272141289-26">[</span><span·class="p"·data-group-id="6272141289-26">]</span><span·class="p">,</span><span·class="p"·data-group-id="6272141289-27">[</span><span·class="p"·data-group-id="6272141289-27">]</span><span·class="p">,</span><span·class="p"·data-group-id="6272141289-28">[</span><span·class="p"·data-group-id="6272141289-28">]</span><span·class="p">|</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="6272141289-24">}</span><span·class="p">,</span><span·class="w"> | ||
| 290 | ···························</span><span·class="p"·data-group-id="6272141289-29">{</span><span·class="ss">xmlAttribute</span><span·class="p">,</span><span·class="ss">color</span><span·class="p">,</span><span·class="p"·data-group-id="6272141289-30">[</span><span·class="p"·data-group-id="6272141289-30">]</span><span·class="p">,</span><span·class="p"·data-group-id="6272141289-31">[</span><span·class="p"·data-group-id="6272141289-31">]</span><span·class="p">,</span><span·class="p"·data-group-id="6272141289-32">[</span><span·class="p"·data-group-id="6272141289-32">]</span><span·class="p">|</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="6272141289-29">}</span><span·class="p"·data-group-id="6272141289-23">]</span><span·class="p">,</span><span·class="w"> | ||
| 291 | ··························</span><span·class="p"·data-group-id=" | 289 | ··························</span><span·class="p"·data-group-id="3055427921-23">[</span><span·class="p"·data-group-id="3055427921-24">{</span><span·class="ss">xmlAttribute</span><span·class="p">,</span><span·class="ss">year</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-25">[</span><span·class="[·...·truncated·by·diffoscope;·len:·580,·SHA:·b1dfed97e79f858e6a9a527e956806b6324a0abd55e5ff1140961eff29c5b72e·...·]</span><span·class="p">,</span><span·class="w"> |
| 290 | ···························</span><span·class="p"·data-group-id="3055427921-29">{</span><span·class="ss">xmlAttribute</span><span·class="p">,</span><span·class="ss">color</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-30">[</span><span·class="p"·data-group-id="3055427921-30">]</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-31">[</span><span·class="p"·data-group-id="3055427921-31">]</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-32">[</span><span·class="p"·data-group-id="3055427921-32">]</span><span·class="p">|</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3055427921-29">}</span><span·class="p"·data-group-id="3055427921-23">]</span><span·class="p">,</span><span·class="w"> | ||
| 291 | ··························</span><span·class="p"·data-group-id="3055427921-33">[</span><span·class="p"·data-group-id="3055427921-34">{</span><span·class="ss">xmlText</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-35">[</span><span·class="p"·data-group-id="3055427921-36">{</span><span·class="ss">bike</span><span·class="p">,</span><span·class="mi">2</span><span·class="p"·data-group-id="3055427921-36">}</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-37">{</span><span·class="ss">motorcycles</span><span·class="p">|</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3055427921-37">}</span><span·class="p"·data-group-id="3055427921-35">]</span><span·class="p">,</span><span·class="w"> | ||
| 292 | ····································</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> | 292 | ····································</span><span·class="mi">1</span><span·class="p">,</span><span·class="w"> |
| 293 | ····································</span><span·class="p"·data-group-id=" | 293 | ····································</span><span·class="p"·data-group-id="3055427921-38">[</span><span·class="p"·data-group-id="3055427921-38">]</span><span·class="p">|</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3055427921-34">}</span><span·class="p">,</span><span·class="w"> |
| 294 | ···························</span><span·class="p"·data-group-id=" | 294 | ···························</span><span·class="p"·data-group-id="3055427921-39">{</span><span·class="ss">xmlElement</span><span·class="p">,</span><span·class="ss">name</span><span·class="p">,</span><span·class="ss">name</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-40">[</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·174,·SHA:·8e22b6a28f74a4f179227f9a185032680afd0f6a942c8439ec5b612dffb7180d·...·]-39">}</span><span·class="p">,</span><span·class="w"> |
| 295 | ···························</span><span·class="p"·data-group-id=" | 295 | ···························</span><span·class="p"·data-group-id="3055427921-41">{</span><span·class="ss">xmlText</span><span·class="p">,</span><span·class="p"·data-group-id="3055427921-42">[</span><span·class="p"·data-group-id="3055427921-43">{</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</spa[·...·truncated·by·diffoscope;·len:·392,·SHA:·ffca8f6f2bb2da663ea55588601f5e8fdb9c7f1f5a4e6e8c040920d319f81a2c·...·]-41">}</span><span·class="p">,</span><span·class="w"> |
| 296 | ···························</span><span·class="p"·data-group-id=" | 296 | ···························</span><span·class="p"·data-group-id="3055427921-44">{</span><span·class="ss">xmlElement</span><span·class="p">,</span><span·class="ss">engine</span><span·class="p">|</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3055427921-44">}</span><span·class="p">,</span><span·class="w"> |
| 297 | ···························</span><span·class="p"·data-group-id=" | 297 | ···························</span><span·class="p"·data-group-id="3055427921-45">{</span><span·class="ss">xmlText</span><span·class="p">|</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3055427921-45">}</span><span·class="p">,</span><span·class="w"> |
| 298 | ···························</span><span·class="p"·data-group-id=" | 298 | ···························</span><span·class="p"·data-group-id="3055427921-46">{</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="p"·data-group-id="3055427921-46">}</span><span·class="p">|</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class[·...·truncated·by·diffoscope;·len:·30,·SHA:·7ddfde2f09a0148566499dcdf19a4355073644ad100a0201b1f5d77289388fd0·...·]-33">]</span><span·class="p">,</span><span·class="w"> |
| 299 | ··························</span><span·class="p"·data-group-id=" | 299 | ··························</span><span·class="p"·data-group-id="3055427921-47">[</span><span·class="p"·data-group-id="3055427921-47">]</span><span·class="p">,</span><span·class="w"> |
| 300 | ··························</span><span·class="s">"."</span><span·class="p">,</span><span·class="w"> | 300 | ··························</span><span·class="s">"."</span><span·class="p">,</span><span·class="w"> |
| 301 | ··························</span><span·class="ss">undeclared</span><span·class="p"·data-group-id=" | 301 | ··························</span><span·class="ss">undeclared</span><span·class="p"·data-group-id="3055427921-16">}</span><span·class="p">,</span><span·class="w"> |
| 302 | ··············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> | 302 | ··············</span><span·class="p">.</span><span·class="p">.</span><span·class="p">.</span><span·class="w"> |
| 303 | ··············</span><span·class="p"·data-group-id=" | 303 | ··············</span><span·class="p"·data-group-id="3055427921-11">]</span><span·class="p">,</span><span·class="w"> |
| 304 | ·············</span><span·class="p"·data-group-id=" | 304 | ·············</span><span·class="p"·data-group-id="3055427921-48">[</span><span·class="p"·data-group-id="3055427921-48">]</span><span·class="p">,</span><span·class="w"> |
| 305 | ·············</span><span·class="s">"."</span><span·class="p">,</span><span·class="w"> | 305 | ·············</span><span·class="s">"."</span><span·class="p">,</span><span·class="w"> |
| 306 | ·············</span><span·class="ss">undeclared</span><span·class="p"·data-group-id=" | 306 | ·············</span><span·class="ss">undeclared</span><span·class="p"·data-group-id="3055427921-4">}</span><span·class="p">,</span><span·class="w"> |
| 307 | ·</span><span·class="p"·data-group-id=" | 307 | ·</span><span·class="p"·data-group-id="3055427921-49">[</span><span·class="p"·data-group-id="3055427921-49">]</span><span·class="p"·data-group-id="3055427921-3">}</span><span·class="w"> |
| 308 | </span><span·class="mi">4</span><span·class="o">></span></code></pre><p>If·you·instead·receives·the·XML·doc·as·a·string·you·can·parse·it·by | 308 | </span><span·class="mi">4</span><span·class="o">></span></code></pre><p>If·you·instead·receives·the·XML·doc·as·a·string·you·can·parse·it·by |
| 309 | <a·href="xmerl_scan.html#string/1"><code·class="inline">xmerl_scan:string/1</code></a>.·Both·file/2·and·string/2·exists·where·the·second·argument | 309 | <a·href="xmerl_scan.html#string/1"><code·class="inline">xmerl_scan:string/1</code></a>.·Both·file/2·and·string/2·exists·where·the·second·argument |
| 310 | is·a·list·of·options·to·the·parser,·see·the·<a·href="xmerl_scan.html">reference·manual</a>.</p><h2·id="example-extracting-data-from-xml-content"·class="section-heading"> | 310 | is·a·list·of·options·to·the·parser,·see·the·<a·href="xmerl_scan.html">reference·manual</a>.</p><h2·id="example-extracting-data-from-xml-content"·class="section-heading"> |
| 311 | ··<a·href="#example-extracting-data-from-xml-content"·class="hover-link"> | 311 | ··<a·href="#example-extracting-data-from-xml-content"·class="hover-link"> |
| 312 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 312 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 313 | ··</a> | 313 | ··</a> |
| 314 | ··<span·class="text">Example:·Extracting·Data·From·XML·Content</span> | 314 | ··<span·class="text">Example:·Extracting·Data·From·XML·Content</span> |
| Offset 338, 30 lines modified | Offset 338, 30 lines modified | ||
| 338 | fields·of·the·appropriate·element.</p><p>There·is·support·for·this·in·Xmerl·by·the·"simple-form"·format.·You·can·put·your | 338 | fields·of·the·appropriate·element.</p><p>There·is·support·for·this·in·Xmerl·by·the·"simple-form"·format.·You·can·put·your |
| 339 | data·in·a·simple-form·data·structure·and·feed·it·into | 339 | data·in·a·simple-form·data·structure·and·feed·it·into |
| 340 | <code·class="inline">xmerl:export_simple(Content,Callback,RootAttributes)</code>.·Content·may·be·a·mixture | 340 | <code·class="inline">xmerl:export_simple(Content,Callback,RootAttributes)</code>.·Content·may·be·a·mixture |
| 341 | of·simple-form·and·Xmerl·records·as·<code·class="inline">#xmlElement{}</code>·and·<code·class="inline">#xmlText{}</code>.</p><p>The·Types·are:</p><ul><li>Content·=·[Element]</li><li>Callback·=·atom()</li><li>RootAttributes·=·[Attributes]</li></ul><p>Element·is·any·of:</p><ul><li>{Tag,·Attributes,·Content}</li><li>{Tag,·Content}</li><li>Tag</li><li>IOString</li><li>#xmlText{}</li><li>#xmlElement{}</li><li>#xmlPI{}</li><li>#xmlComment{}</li><li>#xmlDecl{}</li></ul><p>The·simple-form·structure·is·any·of·<code·class="inline">{Tag,·Attributes,·Content}</code>, | 341 | of·simple-form·and·Xmerl·records·as·<code·class="inline">#xmlElement{}</code>·and·<code·class="inline">#xmlText{}</code>.</p><p>The·Types·are:</p><ul><li>Content·=·[Element]</li><li>Callback·=·atom()</li><li>RootAttributes·=·[Attributes]</li></ul><p>Element·is·any·of:</p><ul><li>{Tag,·Attributes,·Content}</li><li>{Tag,·Content}</li><li>Tag</li><li>IOString</li><li>#xmlText{}</li><li>#xmlElement{}</li><li>#xmlPI{}</li><li>#xmlComment{}</li><li>#xmlDecl{}</li></ul><p>The·simple-form·structure·is·any·of·<code·class="inline">{Tag,·Attributes,·Content}</code>, |
| 342 | <code·class="inline">{Tag,·Content}</code>·or·<code·class="inline">Tag</code>·where:</p><ul><li>Tag·=·atom()</li><li>Attributes·=·[{Name,·Value}|·#xmlAttribute{}]</li><li>Name·=·atom()</li><li><p>Value·=·IOString·|·atom()·|·integer()</p></li></ul><p>See·also·reference·manual·for·<a·href="xmerl.html#export_simple/3">xmerl</a></p><p>If·you·want·to·add·the·information·about·a·black·Harley·Davidsson·1200·cc | 342 | <code·class="inline">{Tag,·Content}</code>·or·<code·class="inline">Tag</code>·where:</p><ul><li>Tag·=·atom()</li><li>Attributes·=·[{Name,·Value}|·#xmlAttribute{}]</li><li>Name·=·atom()</li><li><p>Value·=·IOString·|·atom()·|·integer()</p></li></ul><p>See·also·reference·manual·for·<a·href="xmerl.html#export_simple/3">xmerl</a></p><p>If·you·want·to·add·the·information·about·a·black·Harley·Davidsson·1200·cc |
| 343 | Sportster·motorcycle·from·2003·that·is·in·shape·as·new·in·the·motorcycles.xml | 343 | Sportster·motorcycle·from·2003·that·is·in·shape·as·new·in·the·motorcycles.xml |
| 344 | document·you·can·put·the·data·in·a·simple-form·data·structure·like:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 344 | document·you·can·put·the·data·in·a·simple-form·data·structure·like:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 345 | ··</span><span·class="p"·data-group-id="4 | 345 | ··</span><span·class="p"·data-group-id="4736665569-1">{</span><span·class="ss">bike</span><span·class="p">,</span><span·class="w"> |
| 346 | ·····</span><span·class="p"·data-group-id="4 | 346 | ·····</span><span·class="p"·data-group-id="4736665569-2">[</span><span·class="p"·data-group-id="4736665569-3">{</span><span·class="ss">year</span><span·class="p">,</span><span·class="s">"2003"</span><span·class="p"·data-group-id="4736665569-3">}</span><span·class="p">,</span><span·class="p[·...·truncated·by·diffoscope;·len:·451,·SHA:·4859b55e76533ca637a8dd2628652d5eb41457dad9ef0b897fc775d9fc5fa75e·...·]-2">]</span><span·class="p">,</span><span·class="w"> |
| 347 | ·····</span><span·class="p"·data-group-id="4 | 347 | ·····</span><span·class="p"·data-group-id="4736665569-6">[</span><span·class="p"·data-group-id="4736665569-7">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="w"> |
| 348 | ·········</span><span·class="p"·data-group-id="4 | 348 | ·········</span><span·class="p"·data-group-id="4736665569-8">[</span><span·class="p"·data-group-id="4736665569-9">{</span><span·class="ss">manufacturer</span><span·class="p">,</span><span·class="p"·data-group-id="4736665569-10">[</span><span·class="s">"Harley·Davidsson"</span><span·class="p"·d[·...·truncated·by·diffoscope;·len:·78,·SHA:·2bc1a6ea95838bb5f905cfdfecb361f5a31c8dc940cc44eaa9a1797846a3343f·...·]-9">}</span><span·class="p">,</span><span·class="w"> |
| 349 | ··········</span><span·class="p"·data-group-id="4 | 349 | ··········</span><span·class="p"·data-group-id="4736665569-11">{</span><span·class="ss">brandName</span><span·class="p">,</span><span·class="p"·data-group-id="4736665569-12">[</span><span·class="s">"XL1200C"</span><span·class="p"·data-group-id="4736665569-12">]</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·14,·SHA:·49248216c6373dd93d99339214352157058901192e5560314d65104c73066b24·...·]-11">}</span><span·class="p">,</span><span·class="w"> |
| 350 | ··········</span><span·class="p"·data-group-id="4 | 350 | ··········</span><span·class="p"·data-group-id="4736665569-13">{</span><span·class="ss">additionalName</span><span·class="p">,</span><span·class="p"·data-group-id="4736665569-14">[</span><span·class="s">"Sportster"</span><span·class="p"·data-group-id="4736665569-14">]</span><span·class="p"·data[·...·truncated·by·diffoscope;·len:·128,·SHA:·64476b2be4af1de606a80d7ec0b088a78d46a26292053177b3bed0a1609d8f78·...·]-7">}</span><span·class="p">,</span><span·class="w"> |
| 351 | ······</span><span·class="p"·data-group-id="4 | 351 | ······</span><span·class="p"·data-group-id="4736665569-15">{</span><span·class="ss">engine</span><span·class="p">,</span><span·class="w"> |
| 352 | ·········</span><span·class="p"·data-group-id="4 | 352 | ·········</span><span·class="p"·data-group-id="4736665569-16">[</span><span·class="s">"V-engine,·2-cylinders,·1200·cc"</span><span·class="p"·data-group-id="4736665569-16">]</span><span·class="p"·data-group-id="4736665569-15">}</span><span·class="p">,</span><span·class="w"> |
| 353 | ······</span><span·class="p"·data-group-id="4 | 353 | ······</span><span·class="p"·data-group-id="4736665569-17">{</span><span·class="ss">kind</span><span·class="p">,</span><span·class="p"·data-group-id="4736665569-18">[</span><span·class="s">"custom"</span><span·class="p"·data-group-id="4736665569-18">]</span><span·class="p"·data-group-id="47[·...·truncated·by·diffoscope;·len:·8,·SHA:·9b7e0f625749b5ef17f4a54e5ba09c9c7886c864302dac33947d51584717b554·...·]-17">}</span><span·class="p">,</span><span·class="w"> |
| 354 | ······</span><span·class="p"·data-group-id="4 | 354 | ······</span><span·class="p"·data-group-id="4736665569-19">{</span><span·class="ss">drive</span><span·class="p">,</span><span·class="p"·data-group-id="4736665569-20">[</span><span·class="s">"belt"</span><span·class="p"·data-group-id="4736665569-20">]</span><span·class="p"·data-group-id="473[·...·truncated·by·diffoscope;·len:·114,·SHA:·ea1711761175ccf515de21bd04fd8c6d29c0141ee5df7c5332b04de95586cdb7·...·]-1">}</span></code></pre><p>In·order·to·append·this·data·to·the·end·of·the·motorcycles.xml·document·you·have |
| 355 | to·parse·the·file·and·add·Data·to·the·end·of·the·root·element·content.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="p"·data-group-id=" | 355 | to·parse·the·file·and·add·Data·to·the·end·of·the·root·element·content.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="p"·data-group-id="2282851836-1">{</span><span·class="n">RootEl</span><span·class="p">,</span><span·class="n">Misc</span><span·class="p"·data-group-id="2282851836-1">}</span><span·class="o">=</span><span·class="nc">xmerl_scan</span><span·class="p">:</span><span·class="nf">fi[·...·truncated·by·diffoscope;·len:·152,·SHA:·11c0d3ad31bbde3afa5f7916957f8a78c6a9fc57b6f8660621d8e3afa016207c·...·]-2">)</span><span·class="p">,</span><span·class="w"> |
| 356 | ····</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id=" | 356 | ····</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="2282851836-3">{</span><span·class="ss">content</span><span·class="o">=</span><span·class="n">Content</span><span·class="p"·data-group-id="2282851836-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="n">RootEl</span><span·class="p">,</span><span·class="w"> |
| 357 | ····</span><span·class="n">NewContent</span><span·class="o">=</span><span·class="n">Content</span><span·class="o">++</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id=" | 357 | ····</span><span·class="n">NewContent</span><span·class="o">=</span><span·class="n">Content</span><span·class="o">++</span><span·class="nc">lists</span><span·class="p">:</span><span·class="nf">flatten</span><span·class="p"·data-group-id="2282851836-4">(</span><span·class="p"·data-group-id="2282851836-5">[</span><span·class="n">Data</span><span·class="p"·data-group-id="2282851836-5">]</span><span·class="p"·data-group-id="2282851836-4">)</span><span·class="p">,</span><span·class="w"> |
| 358 | ····</span><span·class="n">NewRootEl</span><span·class="o">=</span><span·class="n">RootEl</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id=" | 358 | ····</span><span·class="n">NewRootEl</span><span·class="o">=</span><span·class="n">RootEl</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="2282851836-6">{</span><span·class="ss">content</span><span·class="o">=</span><span·class="n">NewContent</span><span·class="p"·data-group-id="2282851836-6">}</span><span·class="p">,</span></code></pre><p>Then·you·can·run·it·through·the·export_simple/2·funct[·...·truncated·by·diffoscope;·len:·674,·SHA:·5d95f1143f747aefed99797183ff240a14fbbbb446055ece6d199bc4d9ee47b8·...·]4-2">)</span><span·class="p">,</span><span·class="w"> |
| 359 | ····</span><span·class="n">Export</span><span·class="o">=</span><span·class="nc">xmerl</span><span·class="p">:</span><span·class="nf">export_simple</span><span·class="p"·data-group-id=" | 359 | ····</span><span·class="n">Export</span><span·class="o">=</span><span·class="nc">xmerl</span><span·class="p">:</span><span·class="nf">export_simple</span><span·class="p"·data-group-id="2275599574-4">(</span><span·class="p"·data-group-id="2275599574-5">[</span><span·class="n">NewRootEl</span><span·class="p"·data-group-id="2275599574-5">]</span><span·class="p">,</span><span·class="ss">xmerl_xml</span><span·class="p"·data-group-id="22755995[·...·truncated·by·diffoscope;·len:·1,·SHA:·7902699be42c8a8e46fbbb4501726517e86b22c56a189f7625a6da49081b2451·...·]4-4">)</span><span·class="p">,</span><span·class="w"> |
| 360 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id=" | 360 | ····</span><span·class="nc">io</span><span·class="p">:</span><span·class="nf">format</span><span·class="p"·data-group-id="2275599574-6">(</span><span·class="n">IOF</span><span·class="p">,</span><span·class="s">"</span><span·class="si">~s</span><span·class="si">~n</span><span·class="s">"</span><span·class="p">,</span><span·class="p"·data-group-id="2275599574-7">[</sp[·...·truncated·by·diffoscope;·len:·315,·SHA:·d942ea2cabe9448ed28546228a11370332ea345a3617bd1ea8046ba75a3988ed·...·]4-6">)</span><span·class="p">,</span></code></pre><p><a·href=""·id="new_motorcyclesxml"></a></p><p>The·result·would·be:</p><pre><code·class="text"> |
| 361 | <?xml·version="1.0"?><motorcycles> | 361 | <?xml·version="1.0"?><motorcycles> |
| 362 | ··<bike·year="2000"·color="black"> | 362 | ··<bike·year="2000"·color="black"> |
| 363 | ····<name> | 363 | ····<name> |
| 364 | ······<manufacturer>Suzuki</manufacturer> | 364 | ······<manufacturer>Suzuki</manufacturer> |
| 365 | ······<brandName>Suzuki·VL·1500</brandName> | 365 | ······<brandName>Suzuki·VL·1500</brandName> |
| 366 | ······<additionalName>Intruder</additionalName> | 366 | ······<additionalName>Intruder</additionalName> |
| 367 | ····</name> | 367 | ····</name> |
| Offset 383, 48 lines modified | Offset 383, 48 lines modified | ||
| 383 | ··</bike> | 383 | ··</bike> |
| 384 | <bike·year="2003"·color="black"·condition="new"><name><manufacturer>Harley·Davidsson</manufacturer><brandName>XL1200C</brandName><additionalName>Sportster</additionalName></name><engine>V-engine,·2-cylinders,·1200·cc</engine><kind>custom</kind><drive>belt</drive></bike></motorcycles></code></pre><p>If·it·is·important·to·get·similar·indentation·and·newlines·as·in·the·original | 384 | <bike·year="2003"·color="black"·condition="new"><name><manufacturer>Harley·Davidsson</manufacturer><brandName>XL1200C</brandName><additionalName>Sportster</additionalName></name><engine>V-engine,·2-cylinders,·1200·cc</engine><kind>custom</kind><drive>belt</drive></bike></motorcycles></code></pre><p>If·it·is·important·to·get·similar·indentation·and·newlines·as·in·the·original |
| 385 | document·you·have·to·add·<code·class="inline">#xmlText{}</code>·records·with·space·and·newline·values·in | 385 | document·you·have·to·add·<code·class="inline">#xmlText{}</code>·records·with·space·and·newline·values·in |
| 386 | appropriate·places.·It·may·also·be·necessary·to·keep·the·original·prolog·where | 386 | appropriate·places.·It·may·also·be·necessary·to·keep·the·original·prolog·where |
| 387 | the·DTD·is·referenced.·If·so,·it·is·possible·to·pass·a·RootAttribute | 387 | the·DTD·is·referenced.·If·so,·it·is·possible·to·pass·a·RootAttribute |
| 388 | <code·class="inline">{prolog,Value}</code>·to·<code·class="inline">export_simple/3</code>.·The·following·example·code·fixes·those | 388 | <code·class="inline">{prolog,Value}</code>·to·<code·class="inline">export_simple/3</code>.·The·following·example·code·fixes·those |
| 389 | changes·in·the·previous·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> | 389 | changes·in·the·previous·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="w">····</span><span·class="n">Data</span><span·class="w">·</span><span·class="o">=</span><span·class="w"> |
| 390 | ······</span><span·class="p"·data-group-id=" | 390 | ······</span><span·class="p"·data-group-id="3312701934-1">[</span><span·class="o">#</span><span·class="ss">xmlText</span><span·class="p"·data-group-id="3312701934-2">{</span><span·class="ss">value</span><span·class="o">=</span><span·class="s">"··"</span><span·class="p"·data-group-id="33127[·...·truncated·by·diffoscope;·len:·4,·SHA:·ccd76dc3daefa0404f3ea07e89276c8dfd359fd4c5675748b4d2795c4c308e02·...·]4-2">}</span><span·class="p">,</span><span·class="w"> |
| 391 | ·······</span><span·class="p"·data-group-id=" | 391 | ·······</span><span·class="p"·data-group-id="3312701934-3">{</span><span·class="ss">bike</span><span·class="p">,</span><span·class="p"·data-group-id="3312701934-4">[</span><span·class="p"·data-group-id="3312701934-5">{</span><span·class="ss">year</span><span·class="p">,</span><span·class="s">"20[·...·truncated·by·diffoscope;·len:·556,·SHA:·7cd1ee093727641f0755d9d0432029c23e016bd580d7768747720822e79618f3·...·]4-4">]</span><span·class="p">,</span><span·class="w"> |
| 392 | ·············</span><span·class="p"·data-group-id=" | 392 | ·············</span><span·class="p"·data-group-id="3312701934-8">[</span><span·class="o">#</span><span·class="ss">xmlText</span><span·class="p"·data-group-id="3312701934-9">{</span><span·class="ss">value</span><span·class="o">=</span><span·class="s">"\ |
| 393 | ····"</span><span·class="p"·data-group-id=" | 393 | ····"</span><span·class="p"·data-group-id="3312701934-9">}</span><span·class="p">,</span><span·class="w"> |
| 394 | ··············</span><span·class="p"·data-group-id=" | 394 | ··············</span><span·class="p"·data-group-id="3312701934-10">{</span><span·class="ss">name</span><span·class="p">,</span><span·class="p"·data-group-id="3312701934-11">[</span><span·class="o">#</span><span·class="ss">xmlText</span><span·class="p"·data-group-id="3312701934-12">{</span><span·class="ss">value</span><span·class="o">=</span><span·class="s">"\ |
| 395 | ······"</span><span·class="p"·data-group-id=" | 395 | ······"</span><span·class="p"·data-group-id="3312701934-12">}</span><span·class="p">,</span><span·class="w"> |
| 396 | ·····················</span><span·class="p"·data-group-id=" | 396 | ·····················</span><span·class="p"·data-group-id="3312701934-13">{</span><span·class="ss">manufacturer</span><span·class="p">,</span><span·class="p"·data-group-id="3312701934-14">[</span><span·class="s">"Harley·Davidsson"</span><span·class="p"·data-group-id="3312701934-14">]</span><span·class="p[·...·truncated·by·diffoscope;·len:·26,·SHA:·f2ae63923f5b822091d5226ed925c199ff6d9f947826d06c9c390840e0e8fc58·...·]4-13">}</span><span·class="p">,</span><span·class="w"> |
| 397 | ·····················</span><span·class="o">#</span><span·class="ss">xmlText</span><span·class="p"·data-group-id=" | 397 | ·····················</span><span·class="o">#</span><span·class="ss">xmlText</span><span·class="p"·data-group-id="3312701934-15">{</span><span·class="ss">value</span><span·class="o">=</span><span·class="s">"\ |
| 398 | ······"</span><span·class="p"·data-group-id=" | 398 | ······"</span><span·class="p"·data-group-id="3312701934-15">}</span><span·class="p">,</span><span·class="w"> |
| 399 | ·····················</span><span·class="p"·data-group-id=" | 399 | ·····················</span><span·class="p"·data-group-id="3312701934-16">{</span><span·class="ss">brandName</span><span·class="p">,</span><span·class="p"·data-group-id="3312701934-17">[</span><span·class="s">"XL1200C"</span><span·class="p"·data-group-id="3312701934-17">]</span><span·class="p"·data-group[·...·truncated·by·diffoscope;·len:·14,·SHA:·c138fc60944a1e18af48497a69ef17cb288ef14fd8832366089c275da8f36b7c·...·]4-16">}</span><span·class="p">,</span><span·class="w"> |
| 400 | ·····················</span><span·class="o">#</span><span·class="ss">xmlText</span><span·class="p"·data-group-id=" | 400 | ·····················</span><span·class="o">#</span><span·class="ss">xmlText</span><span·class="p"·data-group-id="3312701934-18">{</span><span·class="ss">value</span><span·class="o">=</span><span·class="s">"\ |
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| 482 | ······<p·class="built-using"> | 482 | ······<p·class="built-using"> |
| 483 | ········Built·using | 483 | ········Built·using |
| 484 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 484 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 485 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 485 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 486 | ······</p> | 486 | ······</p> |
| 487 | <p>Copyright·©·1996-202 | 487 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 488 | ····</footer> | 488 | ····</footer> |
| 489 | ··</div> | 489 | ··</div> |
| 490 | </main> | 490 | </main> |
| 491 | </div> | 491 | </div> |
| 492 | <script> | 492 | <script> |
| 493 | ··function·mermaidLoaded()·{ | 493 | ··function·mermaidLoaded()·{ |
| 494 | ····mermaid.initialize({ | 494 | ····mermaid.initialize({ |
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| 354 | ······<p·class="built-using"> | 354 | ······<p·class="built-using"> |
| 355 | ········Built·using | 355 | ········Built·using |
| 356 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 356 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 357 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 357 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 358 | ······</p> | 358 | ······</p> |
| 359 | <p>Copyright·©·1996-202 | 359 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 360 | ····</footer> | 360 | ····</footer> |
| 361 | ··</div> | 361 | ··</div> |
| 362 | </main> | 362 | </main> |
| 363 | </div> | 363 | </div> |
| 364 | <script> | 364 | <script> |
| 365 | ··function·mermaidLoaded()·{ | 365 | ··function·mermaidLoaded()·{ |
| 366 | ····mermaid.initialize({ | 366 | ····mermaid.initialize({ |
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| 131 | ··</a> | 131 | ··</a> |
| 132 | ··<span·class="text">Examples</span> | 132 | ··<span·class="text">Examples</span> |
| 133 | </h3> | 133 | </h3> |
| 134 | <hr·class="thin"/><h4>Example·1·Using·xslapply</h4><p>original·XSLT:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="w">·</span><span·class="ss">match</span><span·class="o">=</span><span·class="s">"doc/title"</span><span·class="o">></span><span·class="w"> | 134 | <hr·class="thin"/><h4>Example·1·Using·xslapply</h4><p>original·XSLT:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="w">·</span><span·class="ss">match</span><span·class="o">=</span><span·class="s">"doc/title"</span><span·class="o">></span><span·class="w"> |
| 135 | ····</span><span·class="o"><</span><span·class="ss">h1</span><span·class="o">></span><span·class="w"> | 135 | ····</span><span·class="o"><</span><span·class="ss">h1</span><span·class="o">></span><span·class="w"> |
| 136 | ······</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="nb">apply</span><span·class="o">-</span><span·class="ss">templates</span><span·class="o">/</span><span·class="o">></span><span·class="w"> | 136 | ······</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="nb">apply</span><span·class="o">-</span><span·class="ss">templates</span><span·class="o">/</span><span·class="o">></span><span·class="w"> |
| 137 | ····</span><span·class="o"><</span><span·class="o">/</span><span·class="ss">h1</span><span·class="o">></span><span·class="w"> | 137 | ····</span><span·class="o"><</span><span·class="o">/</span><span·class="ss">h1</span><span·class="o">></span><span·class="w"> |
| 138 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span></code></pre><p>becomes·in·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">template</span><span·class="p"·data-group-id=" | 138 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span></code></pre><p>becomes·in·Erlang:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">template</span><span·class="p"·data-group-id="7602289844-1">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="7602289844-2">{</span><span·class="w">·</span><sp[·...·truncated·by·diffoscope;·len:·630,·SHA:·08e489f0a5e664325afcbcf8e09dde2c4c938f468e0792f6513310d343b4111f·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 139 | ····</span><span·class="p"·data-group-id=" | 139 | ····</span><span·class="p"·data-group-id="7602289844-5">[</span><span·class="s">"<h1>"</span><span·class="p">,</span><span·class="w"> |
| 140 | ·········</span><span·class="nf">xslapply</span><span·class="p"·data-group-id=" | 140 | ·········</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="7602289844-6">(</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">template</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·class="p"·data-group-id="[·...·truncated·by·diffoscope;·len:·10,·SHA:·a442b97d89b7519745b60edfa5ecb385a28127dae9c66f6332567efa9b3e647b·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 141 | ·····</span><span·class="s">"</h1>"</span><span·class="p"·data-group-id=" | 141 | ·····</span><span·class="s">"</h1>"</span><span·class="p"·data-group-id="7602289844-5">]</span><span·class="p">;</span></code></pre><hr·class="thin"/><hr·class="thin"/><h4>Example·2·Using·value_of·and·select</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="w">·</span><span·class="ss">match</span><span·class="o">=</span><span·class="s">"title"</span><span·class="o">></span><span·class="w"> |
| 142 | ··</span><span·class="o"><</span><span·class="ow">div</span><span·class="w">·</span><span·class="ss">align</span><span·class="o">=</span><span·class="s">"center"</span><span·class="o">></span><span·class="o"><</span><span·class="ss">h1</span><span·class="o">></span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">value</span><span·class="o">-</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">select</span><span·class="o">=</span><span·class="s">"."</span><span·class="w">·</span><span·class="o">/</span><span·class="o">></span><span·class="o"><</span><span·class="o">/</span><span·class="ss">h1</span><span·class="o">></span><span·class="o"><</span><span·class="o">/</span><span·class="ow">div</span><span·class="o">></span><span·class="w"> | 142 | ··</span><span·class="o"><</span><span·class="ow">div</span><span·class="w">·</span><span·class="ss">align</span><span·class="o">=</span><span·class="s">"center"</span><span·class="o">></span><span·class="o"><</span><span·class="ss">h1</span><span·class="o">></span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">value</span><span·class="o">-</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">select</span><span·class="o">=</span><span·class="s">"."</span><span·class="w">·</span><span·class="o">/</span><span·class="o">></span><span·class="o"><</span><span·class="o">/</span><span·class="ss">h1</span><span·class="o">></span><span·class="o"><</span><span·class="o">/</span><span·class="ow">div</span><span·class="o">></span><span·class="w"> |
| 143 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span></code></pre><p>becomes:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">template</span><span·class="p"·data-group-id="1 | 143 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span></code></pre><p>becomes:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">template</span><span·class="p"·data-group-id="1953442015-1">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="1953442015-2">{</span><span·class="ss">name</span>[·...·truncated·by·diffoscope;·len:·157,·SHA:·499e765669e18a129eb76b6302c607c530859289258d9c5650956e5abfe955e1·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 144 | ····</span><span·class="p"·data-group-id="1 | 144 | ····</span><span·class="p"·data-group-id="1953442015-3">[</span><span·class="s">"<div·align=\"center\"><h1>"</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id="1953442015-4">(</span><span·class="nf">se[·...·truncated·by·diffoscope;·len:·425,·SHA:·68d3e2ef9dc50e434a2ab580eaed964596c6d22b9a49a7807bb85459ee2d4a86·...·]-3">]</span><span·class="p">;</span></code></pre><hr·class="thin"/><hr·class="thin"/><h4>Example·3·Simple·xsl·stylesheet</h4><p>A·complete·example·with·the·XSLT·sheet·in·the·xmerl·distribution.</p><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">stylesheet</span><span·class="w">·</span><span·class="ss">version</span><span·class="o">=</span><span·class="s">"1.0"</span><span·class="w"> |
| 145 | ········</span><span·class="nc">xmlns</span><span·class="p">:</span><span·class="ss">xsl</span><span·class="o">=</span><span·class="s">"http://www.w3.org/1999/XSL/Transform"</span><span·class="w"> | 145 | ········</span><span·class="nc">xmlns</span><span·class="p">:</span><span·class="ss">xsl</span><span·class="o">=</span><span·class="s">"http://www.w3.org/1999/XSL/Transform"</span><span·class="w"> |
| 146 | ········</span><span·class="ss">xmlns</span><span·class="o">=</span><span·class="s">"http://www.w3.org/TR/xhtml1/strict"</span><span·class="o">></span><span·class="w"> | 146 | ········</span><span·class="ss">xmlns</span><span·class="o">=</span><span·class="s">"http://www.w3.org/TR/xhtml1/strict"</span><span·class="o">></span><span·class="w"> |
| 147 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">strip</span><span·class="o">-</span><span·class="ss">space</span><span·class="w">·</span><span·class="ss">elements</span><span·class="o">=</span><span·class="s">"doc·chapter·section"</span><span·class="o">/</span><span·class="o">></span><span·class="w"> | 147 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">strip</span><span·class="o">-</span><span·class="ss">space</span><span·class="w">·</span><span·class="ss">elements</span><span·class="o">=</span><span·class="s">"doc·chapter·section"</span><span·class="o">/</span><span·class="o">></span><span·class="w"> |
| 148 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">output</span><span·class="w"> | 148 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">output</span><span·class="w"> |
| 149 | ····</span><span·class="ss">method</span><span·class="o">=</span><span·class="s">"xml"</span><span·class="w"> | 149 | ····</span><span·class="ss">method</span><span·class="o">=</span><span·class="s">"xml"</span><span·class="w"> |
| 150 | ····</span><span·class="ss">indent</span><span·class="o">=</span><span·class="s">"yes"</span><span·class="w"> | 150 | ····</span><span·class="ss">indent</span><span·class="o">=</span><span·class="s">"yes"</span><span·class="w"> |
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| 198 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="w">·</span><span·class="ss">match</span><span·class="o">=</span><span·class="s">"emph"</span><span·class="o">></span><span·class="w"> | 198 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="w">·</span><span·class="ss">match</span><span·class="o">=</span><span·class="s">"emph"</span><span·class="o">></span><span·class="w"> |
| 199 | ····</span><span·class="o"><</span><span·class="ss">em</span><span·class="o">></span><span·class="w"> | 199 | ····</span><span·class="o"><</span><span·class="ss">em</span><span·class="o">></span><span·class="w"> |
| 200 | ······</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="nb">apply</span><span·class="o">-</span><span·class="ss">templates</span><span·class="o">/</span><span·class="o">></span><span·class="w"> | 200 | ······</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="nb">apply</span><span·class="o">-</span><span·class="ss">templates</span><span·class="o">/</span><span·class="o">></span><span·class="w"> |
| 201 | ····</span><span·class="o"><</span><span·class="o">/</span><span·class="ss">em</span><span·class="o">></span><span·class="w"> | 201 | ····</span><span·class="o"><</span><span·class="o">/</span><span·class="ss">em</span><span·class="o">></span><span·class="w"> |
| 202 | ··</span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span><span·class="w"> | 202 | ··</span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span><span·class="w"> |
| 203 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">stylesheet</span><span·class="o">></span></code></pre><hr·class="thin"/><hr·class="thin"/><h4>Example·4·Erlang·version</h4><p>Erlang·transformation·of·previous·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id=" | 203 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">stylesheet</span><span·class="o">></span></code></pre><hr·class="thin"/><hr·class="thin"/><h4>Example·4·Erlang·version</h4><p>Erlang·transformation·of·previous·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="p">-</span><span·class="na">include</span><span·class="p"·data-group-id="0024728360-1">(</span><span·class="s">"xmerl.hrl"</span><span·class="p"·data-group-id="0024728360-1">)</span><span·class="p">.</span><span·class="w"> |
| 204 | </span><span·class="w"> | 204 | </span><span·class="w"> |
| 205 | </span><span·class="p">-</span><span·class="na">import</span><span·class="p"·data-group-id=" | 205 | </span><span·class="p">-</span><span·class="na">import</span><span·class="p"·data-group-id="0024728360-2">(</span><span·class="ss">xmerl_xs</span><span·class="p">,</span><span·class="w"> |
| 206 | ····</span><span·class="p"·data-group-id=" | 206 | ····</span><span·class="p"·data-group-id="0024728360-3">[</span><span·class="w">·</span><span·class="ss">xslapply</span><span·class="p">/</span><span·class="mi">2</span><span·class="p">,</span><span·class="w">·</span><span·class="ss">value_of</span><span·class="p">/</span><span·class="mi">1</span>[·...·truncated·by·diffoscope;·len:·380,·SHA:·2ad0be5feeee03d5c628b1ea74ecc56dc20f5cc7360443246c33a3b0b74ca22b·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 207 | </span><span·class="nf">doctype</span><span·class="p"·data-group-id=" | 207 | </span><span·class="nf">doctype</span><span·class="p"·data-group-id="0024728360-4">(</span><span·class="p"·data-group-id="0024728360-4">)</span><span·class="p">-></span><span·class="w"> |
| 208 | ····</span><span·class="s">"<!DOCTYPE·html·PUBLIC·\"-//W3C//DTD·XHTML·1.0·Transitional//EN\"\ | 208 | ····</span><span·class="s">"<!DOCTYPE·html·PUBLIC·\"-//W3C//DTD·XHTML·1.0·Transitional//EN\"\ |
| 209 | ·\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd·\">"</span><span·class="p">.</span><span·class="w"> | 209 | ·\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd·\">"</span><span·class="p">.</span><span·class="w"> |
| 210 | </span><span·class="nf">process_xml</span><span·class="p"·data-group-id=" | 210 | </span><span·class="nf">process_xml</span><span·class="p"·data-group-id="0024728360-5">(</span><span·class="n">Doc</span><span·class="p"·data-group-id="0024728360-5">)</span><span·class="p">-></span><span·class="w"> |
| 211 | ····</span><span·class="nf">template</span><span·class="p"·data-group-id=" | 211 | ····</span><span·class="nf">template</span><span·class="p"·data-group-id="0024728360-6">(</span><span·class="n">Doc</span><span·class="p"·data-group-id="0024728360-6">)</span><span·class="p">.</span><span·class="w"> |
| 212 | </span><span·class="nf">template</span><span·class="p"·data-group-id=" | 212 | </span><span·class="nf">template</span><span·class="p"·data-group-id="0024728360-7">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="0024728360-8">{</span><span·class="ss">name</span[·...·truncated·by·diffoscope;·len:·156,·SHA:·a9b354abd7d914228f526a4d3a2cd88d222354cbcd7db374ea336ff253e689f7·...·]-7">)</span><span·class="p">-></span><span·class="w"> |
| 213 | ····</span><span·class="p"·data-group-id=" | 213 | ····</span><span·class="p"·data-group-id="0024728360-9">[</span><span·class="w">·</span><span·class="s">"<\?xml·version=\"1.0\"·encoding=\"iso-8859-1\"\?>"</span><span·class="p">,</span><span·class="w"> |
| 214 | ······</span><span·class="nf">doctype</span><span·class="p"·data-group-id=" | 214 | ······</span><span·class="nf">doctype</span><span·class="p"·data-group-id="0024728360-10">(</span><span·class="p"·data-group-id="0024728360-10">)</span><span·class="p">,</span><span·class="w"> |
| 215 | ······</span><span·class="s">"<html·xmlns=\"http://www.w3.org/1999/xhtml\"·>"</span><span·class="w"> | 215 | ······</span><span·class="s">"<html·xmlns=\"http://www.w3.org/1999/xhtml\"·>"</span><span·class="w"> |
| 216 | ······</span><span·class="s">"<head>"</span><span·class="w"> | 216 | ······</span><span·class="s">"<head>"</span><span·class="w"> |
| 217 | ······</span><span·class="s">"<title>"</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id=" | 217 | ······</span><span·class="s">"<title>"</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id="0024728360-11">(</span><span·class="nf">select</span><span·class="p"·data-group-id="0024728360-12">(</span><span·class="s">"title"</span><span·class="p">,</span><span·class="n">E</span><span·class="p"·data-group-id="0024728360-12">)</span><span·c[·...·truncated·by·diffoscope;·len:·34,·SHA:·f4a5c7c48d670326b2ac9e3cf170be28b43ce9861f14ddc021c78513555aec0d·...·]-11">)</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"</title>"</span><span·class="w"> |
| 218 | ······</span><span·class="s">"</head>"</span><span·class="w"> | 218 | ······</span><span·class="s">"</head>"</span><span·class="w"> |
| 219 | ······</span><span·class="s">"<body>"</span><span·class="p">,</span><span·class="w"> | 219 | ······</span><span·class="s">"<body>"</span><span·class="p">,</span><span·class="w"> |
| 220 | ······</span><span·class="nf">xslapply</span><span·class="p"·data-group-id=" | 220 | ······</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="0024728360-13">(</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">template</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·208c453086c36b5175adf114cebed013d804683e77daf054001c9f234d353966·...·]-13">)</span><span·class="p">,</span><span·class="w"> |
| 221 | ······</span><span·class="s">"</body>"</span><span·class="w"> | 221 | ······</span><span·class="s">"</body>"</span><span·class="w"> |
| 222 | ······</span><span·class="s">"</html>"</span><span·class="w">·</span><span·class="p"·data-group-id=" | 222 | ······</span><span·class="s">"</html>"</span><span·class="w">·</span><span·class="p"·data-group-id="0024728360-9">]</span><span·class="p">;</span><span·class="w"> |
| 223 | </span><span·class="nf">template</span><span·class="p"·data-group-id=" | 223 | </span><span·class="nf">template</span><span·class="p"·data-group-id="0024728360-14">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="0024728360-15">{</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·637,·SHA:·37939bbe9081d12d5cc907cc8de4e2db31b24bde2e52b32a86aa53d1e49f9e9e·...·]-14">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 224 | ····</span><span·class="p"·data-group-id=" | 224 | ····</span><span·class="p"·data-group-id="0024728360-18">[</span><span·class="s">"<h1>"</span><span·class="p">,</span><span·class="w"> |
| 225 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id=" | 225 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="0024728360-19">(</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">template</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·208c453086c36b5175adf114cebed013d804683e77daf054001c9f234d353966·...·]-19">)</span><span·class="p">,</span><span·class="w"> |
| 226 | ·····</span><span·class="s">"</h1>"</span><span·class="p"·data-group-id=" | 226 | ·····</span><span·class="s">"</h1>"</span><span·class="p"·data-group-id="0024728360-18">]</span><span·class="p">;</span><span·class="w"> |
| 227 | </span><span·class="nf">template</span><span·class="p"·data-group-id=" | 227 | </span><span·class="nf">template</span><span·class="p"·data-group-id="0024728360-20">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="0024728360-21">{</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·641,·SHA:·8ba0527dc6baca436e66bbe108ee57cdab6d9b350745ac4a2b8a531950b4ff32·...·]-20">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 228 | ····</span><span·class="p"·data-group-id=" | 228 | ····</span><span·class="p"·data-group-id="0024728360-24">[</span><span·class="s">"<h2>"</span><span·class="p">,</span><span·class="w"> |
| 229 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id=" | 229 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="0024728360-25">(</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">template</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·208c453086c36b5175adf114cebed013d804683e77daf054001c9f234d353966·...·]-25">)</span><span·class="p">,</span><span·class="w"> |
| 230 | ·····</span><span·class="s">"</h2>"</span><span·class="p"·data-group-id=" | 230 | ·····</span><span·class="s">"</h2>"</span><span·class="p"·data-group-id="0024728360-24">]</span><span·class="p">;</span><span·class="w"> |
| 231 | </span><span·class="nf">template</span><span·class="p"·data-group-id=" | 231 | </span><span·class="nf">template</span><span·class="p"·data-group-id="0024728360-26">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="0024728360-27">{</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·641,·SHA:·682ae8bad3a665b1878d3b6b319821894ef756021587d931a0612bf5a8224cf9·...·]-26">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 232 | ····</span><span·class="p"·data-group-id=" | 232 | ····</span><span·class="p"·data-group-id="0024728360-30">[</span><span·class="s">"<h3>"</span><span·class="p">,</span><span·class="w"> |
| 233 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id=" | 233 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="0024728360-31">(</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">template</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·208c453086c36b5175adf114cebed013d804683e77daf054001c9f234d353966·...·]-31">)</span><span·class="p">,</span><span·class="w"> |
| 234 | ·····</span><span·class="s">"</h3>"</span><span·class="p"·data-group-id=" | 234 | ·····</span><span·class="s">"</h3>"</span><span·class="p"·data-group-id="0024728360-30">]</span><span·class="p">;</span><span·class="w"> |
| 235 | </span><span·class="nf">template</span><span·class="p"·data-group-id=" | 235 | </span><span·class="nf">template</span><span·class="p"·data-group-id="0024728360-32">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="0024728360-33">{</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·184,·SHA:·338af761bf09aa5e9f92faebe9df8ff73829cd7766a0bc115797585eebaf51c7·...·]-32">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 236 | ····</span><span·class="p"·data-group-id=" | 236 | ····</span><span·class="p"·data-group-id="0024728360-34">[</span><span·class="s">"<p>"</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="0024728360-35">(</span><span·class="w">·</span><span·class="k">fun</span><span[·...·truncated·by·diffoscope;·len:·360,·SHA:·89c1a656fe9cc044c23218c7b0e68e2e2a324f081cb2d2aac5c999e820381079·...·]-34">]</span><span·class="p">;</span><span·class="w"> |
| 237 | </span><span·class="nf">template</span><span·class="p"·data-group-id=" | 237 | </span><span·class="nf">template</span><span·class="p"·data-group-id="0024728360-36">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="0024728360-37">{</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·184,·SHA:·fd71685b87d65fa745887dc17fd065ab23fc7905b77b9d3b52f682ff3853266b·...·]-36">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 238 | ····</span><span·class="p"·data-group-id=" | 238 | ····</span><span·class="p"·data-group-id="0024728360-38">[</span><span·class="s">"<p·class=\"note\">"</span><span·class="w"> |
| 239 | ·····</span><span·class="s">"<b>NOTE:·</b>"</span><span·class="p">,</span><span·class="w"> | 239 | ·····</span><span·class="s">"<b>NOTE:·</b>"</span><span·class="p">,</span><span·class="w"> |
| 240 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id=" | 240 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="0024728360-39">(</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">template</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·208c453086c36b5175adf114cebed013d804683e77daf054001c9f234d353966·...·]-39">)</span><span·class="p">,</span><span·class="w"> |
| 241 | ·····</span><span·class="s">"</p>"</span><span·class="p"·data-group-id=" | 241 | ·····</span><span·class="s">"</p>"</span><span·class="p"·data-group-id="0024728360-38">]</span><span·class="p">;</span><span·class="w"> |
| 242 | </span><span·class="nf">template</span><span·class="p"·data-group-id=" | 242 | </span><span·class="nf">template</span><span·class="p"·data-group-id="0024728360-40">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="0024728360-41">{</span><span·class="w">·</span><[·...·truncated·by·diffoscope;·len:·184,·SHA:·f64579c4f7aebc9e33c219a6a5076d192e65910efc1d9f32b18bc70b49eabbb2·...·]-40">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 243 | ····</span><span·class="p"·data-group-id=" | 243 | ····</span><span·class="p"·data-group-id="0024728360-42">[</span><span·class="s">"<em>"</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="0024728360-43">(</span><span·class="w">·</span><span·class="k">fun</span><spa[·...·truncated·by·diffoscope;·len:·362,·SHA:·07b33858528142c1997dbd7036957a7ab21bc574e2172a5fed515dbcfbaa5594·...·]-42">]</span><span·class="p">;</span><span·class="w"> |
| 244 | </span><span·class="nf">template</span><span·class="p"·data-group-id=" | 244 | </span><span·class="nf">template</span><span·class="p"·data-group-id="0024728360-44">(</span><span·class="n">E</span><span·class="p"·data-group-id="0024728360-44">)</span><span·class="p">-></span><span·class="w"> |
| 245 | ····</span><span·class="nf">built_in_rules</span><span·class="p"·data-group-id=" | 245 | ····</span><span·class="nf">built_in_rules</span><span·class="p"·data-group-id="0024728360-45">(</span><span·class="w">·</span><span·class="k">fun</span><span·class="w">·</span><span·class="ss">template</span><span·class="p">/</span><span·class="mi">1</span><span·class="p">,</span><span·class="w">·</span><span·class="n">E</span><span·[·...·truncated·by·diffoscope;·len:·35,·SHA:·208c453086c36b5175adf114cebed013d804683e77daf054001c9f234d353966·...·]-45">)</span><span·class="p">.</span></code></pre><p>It·is·important·to·end·with·a·call·to·<a·href="xmerl_xs.html#built_in_rules/2"><code·class="inline">xmerl_xs:built_in_rules/2</code></a>·if·you·want·any |
| 246 | text·to·be·written·in·"push"·transforms.·That·are·the·ones·using·a·lot·<code·class="inline">xslapply(·fun·template/1,·E·)</code>·instead·of·<code·class="inline">value_of(select("xpath",E))</code>,·which·is·pull...</p><hr·class="thin"/><p>The·largest·example·is·the·stylesheet·to·transform·this·document·from·the | 246 | text·to·be·written·in·"push"·transforms.·That·are·the·ones·using·a·lot·<code·class="inline">xslapply(·fun·template/1,·E·)</code>·instead·of·<code·class="inline">value_of(select("xpath",E))</code>,·which·is·pull...</p><hr·class="thin"/><p>The·largest·example·is·the·stylesheet·to·transform·this·document·from·the |
| 247 | Simplified·Docbook·XML·format·to·xhtml.·The·source·file·is·sdocbook2xhtml.erl.</p><h3·id="tips-and-tricks"·class="section-heading"> | 247 | Simplified·Docbook·XML·format·to·xhtml.·The·source·file·is·sdocbook2xhtml.erl.</p><h3·id="tips-and-tricks"·class="section-heading"> |
| 248 | ··<a·href="#tips-and-tricks"·class="hover-link"> | 248 | ··<a·href="#tips-and-tricks"·class="hover-link"> |
| 249 | ····<i·class="ri-link-m"·aria-hidden="true"></i> | 249 | ····<i·class="ri-link-m"·aria-hidden="true"></i> |
| 250 | ··</a> | 250 | ··</a> |
| 251 | ··<span·class="text">Tips·and·tricks</span> | 251 | ··<span·class="text">Tips·and·tricks</span> |
| 252 | </h3> | 252 | </h3> |
| Offset 270, 29 lines modified | Offset 270, 29 lines modified | ||
| 270 | position·in·Erlang.</p><hr·class="thin"/><h4>Example·5·Counting·positions</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="w">·</span><span·class="ss">match</span><span·class="o">=</span><span·class="s">"stanza"</span><span·class="o">></span><span·class="w"> | 270 | position·in·Erlang.</p><hr·class="thin"/><h4>Example·5·Counting·positions</h4><pre><code·class="makeup·erlang"·translate="no"><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="w">·</span><span·class="ss">match</span><span·class="o">=</span><span·class="s">"stanza"</span><span·class="o">></span><span·class="w"> |
| 271 | ··</span><span·class="o"><</span><span·class="ss">p</span><span·class="o">></span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="nb">apply</span><span·class="o">-</span><span·class="ss">templates</span><span·class="w">·</span><span·class="ss">select</span><span·class="o">=</span><span·class="s">"line"</span><span·class="w">·</span><span·class="o">/</span><span·class="o">></span><span·class="o"><</span><span·class="o">/</span><span·class="ss">p</span><span·class="o">></span><span·class="w"> | 271 | ··</span><span·class="o"><</span><span·class="ss">p</span><span·class="o">></span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="nb">apply</span><span·class="o">-</span><span·class="ss">templates</span><span·class="w">·</span><span·class="ss">select</span><span·class="o">=</span><span·class="s">"line"</span><span·class="w">·</span><span·class="o">/</span><span·class="o">></span><span·class="o"><</span><span·class="o">/</span><span·class="ss">p</span><span·class="o">></span><span·class="w"> |
| 272 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span><span·class="w"> | 272 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span><span·class="w"> |
| 273 | </span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="w">·</span><span·class="ss">match</span><span·class="o">=</span><span·class="s">"line"</span><span·class="o">></span><span·class="w"> | 273 | </span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="w">·</span><span·class="ss">match</span><span·class="o">=</span><span·class="s">"line"</span><span·class="o">></span><span·class="w"> |
| 274 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="k">if</span><span·class="w">·</span><span·class="ss">test</span><span·class="o">=</span><span·class="s">"position()·mod·2·=·0"</span><span·class="o">></span><span·class="err">&</span><span·class="p">#</span><span·class="mi">160</span><span·class="p">;</span><span·class="err">&</span><span·class="p">#</span><span·class="mi">160</span><span·class="p">;</span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="k">if</span><span·class="o">></span><span·class="w"> | 274 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="k">if</span><span·class="w">·</span><span·class="ss">test</span><span·class="o">=</span><span·class="s">"position()·mod·2·=·0"</span><span·class="o">></span><span·class="err">&</span><span·class="p">#</span><span·class="mi">160</span><span·class="p">;</span><span·class="err">&</span><span·class="p">#</span><span·class="mi">160</span><span·class="p">;</span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="k">if</span><span·class="o">></span><span·class="w"> |
| 275 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">value</span><span·class="o">-</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">select</span><span·class="o">=</span><span·class="s">"."</span><span·class="w">·</span><span·class="o">/</span><span·class="o">></span><span·class="o"><</span><span·class="ss">br</span><span·class="w">·</span><span·class="o">/</span><span·class="o">></span><span·class="w"> | 275 | ··</span><span·class="o"><</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">value</span><span·class="o">-</span><span·class="k">of</span><span·class="w">·</span><span·class="ss">select</span><span·class="o">=</span><span·class="s">"."</span><span·class="w">·</span><span·class="o">/</span><span·class="o">></span><span·class="o"><</span><span·class="ss">br</span><span·class="w">·</span><span·class="o">/</span><span·class="o">></span><span·class="w"> |
| 276 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span></code></pre><p>Can·be·written·as</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">template</span><span·class="p"·data-group-id=" | 276 | </span><span·class="o"><</span><span·class="o">/</span><span·class="nc">xsl</span><span·class="p">:</span><span·class="ss">template</span><span·class="o">></span></code></pre><p>Can·be·written·as</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">template</span><span·class="p"·data-group-id="7929420853-1">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="7929420853-2">{</span><span·class="ss">name</span[·...·truncated·by·diffoscope;·len:·159,·SHA:·d17d01e16688251bd6673678b602311c44c88a47a36e91fd895dc73faa3635da·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 277 | ····</span><span·class="p"·data-group-id=" | 277 | ····</span><span·class="p"·data-group-id="7929420853-3">{</span><span·class="n">Lines</span><span·class="p">,</span><span·class="n">LineNo</span><span·class="p"·data-group-id="7929420853-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">lists</span[·...·truncated·by·diffoscope;·len:·654,·SHA:·0d1cebf560aa0a80da879b5338c714d41112bcfdcdf8b4570927bf6501fe7053·...·]-4">)</span><span·class="p">,</span><span·class="w"> |
| 278 | ····</span><span·class="p"·data-group-id=" | 278 | ····</span><span·class="p"·data-group-id="7929420853-6">[</span><span·class="s">"<p>"</span><span·class="p">,</span><span·class="w">·</span><span·class="n">Lines</span><span·class="p">,</span><span·class="w">·</span><span·class="s">"</p>"</span><span·class="p"·data-[·...·truncated·by·diffoscope;·len:·20,·SHA:·2aa5d97c65854c0e199be25e0b7a61887209b1e2ea81a17a5ede7ef157068509·...·]-6">]</span><span·class="p">.</span><span·class="w"> |
| 279 | </span><span·class="nf">template_pos</span><span·class="p"·data-group-id=" | 279 | </span><span·class="nf">template_pos</span><span·class="p"·data-group-id="7929420853-7">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="7929420853-8">{</span><span·class="ss">name</span[·...·truncated·by·diffoscope;·len:·229,·SHA:·11dc0d52f318b94a85bb216dfee4580337e36a1b641bdc8471e95ebfffe86614·...·]-7">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 280 | ····</span><span·class="p"·data-group-id=" | 280 | ····</span><span·class="p"·data-group-id="7929420853-9">{</span><span·class="p"·data-group-id="7929420853-10">[</span><span·class="nf">indent_line</span><span·class="p"·data-group-id="7929420853-11">(</span><span·class="n">P</span><span·class="w">·</span><span·class="ow">rem</span><span·class="w">[·...·truncated·by·diffoscope;·len:·795,·SHA:·5adfdcb72020b039c48d34cdd746a3be7c518a72f39869de8719c0004fb5e6d2·...·]-9">}</span><span·class="p">.</span><span·class="w"> |
| 281 | </span><span·class="nf">indent_line</span><span·class="p"·data-group-id=" | 281 | </span><span·class="nf">indent_line</span><span·class="p"·data-group-id="7929420853-13">(</span><span·class="mi">0</span><span·class="p"·data-group-id="7929420853-13">)</span><span·class="p">-></span><span·class="s">"&#160;&#160;"</span><span·class="p">;</span><span·class="w"> |
| 282 | </span><span·class="nf">indent_line</span><span·class="p"·data-group-id=" | 282 | </span><span·class="nf">indent_line</span><span·class="p"·data-group-id="7929420853-14">(</span><span·class="p">_</span><span·class="p"·data-group-id="7929420853-14">)</span><span·class="p">-></span><span·class="s">""</span><span·class="p">.</span></code></pre><hr·class="thin"/><h4>Global·tree·awareness</h4><p>In·XSLT·you·have·"root"·access·to·the·top·of·the·tree·with·XPath,·even·though |
| 283 | you·are·somewhere·deep·in·your·tree.</p><p>The·xslapply/2·function·only·carries·back·the·child·part·of·the·tree·to·the | 283 | you·are·somewhere·deep·in·your·tree.</p><p>The·xslapply/2·function·only·carries·back·the·child·part·of·the·tree·to·the |
| 284 | template·fun.·But·it·is·quite·easy·to·write·template·funs·that·handles·both·the | 284 | template·fun.·But·it·is·quite·easy·to·write·template·funs·that·handles·both·the |
| 285 | child·and·top·tree.</p><hr·class="thin"/><h4>Example·6·Passing·the·root·tree</h4><p>The·following·example·piece·will·prepend·the·article·title·to·any·section·title</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">template</span><span·class="p"·data-group-id="2 | 285 | child·and·top·tree.</p><hr·class="thin"/><h4>Example·6·Passing·the·root·tree</h4><p>The·following·example·piece·will·prepend·the·article·title·to·any·section·title</p><pre><code·class="makeup·erlang"·translate="no"><span·class="nf">template</span><span·class="p"·data-group-id="2967074267-1">(</span><span·class="n">E</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="o">#</span><span·class="ss">xmlElement</span><span·class="p"·data-group-id="2967074267-2">{</span><span·class="ss">name</span>[·...·truncated·by·diffoscope;·len:·256,·SHA:·9aacf78d3d7d5a3663968ff8ed4a6a224a8e5ce5c3e9893d027b0bd0a2547541·...·]-1">)</span><span·class="w">·</span><span·class="p">-></span><span·class="w"> |
| 286 | ····</span><span·class="p"·data-group-id="2 | 286 | ····</span><span·class="p"·data-group-id="2967074267-3">[</span><span·class="s">"<h3>"</span><span·class="p">,</span><span·class="w">·</span><span·class="nf">value_of</span><span·class="p"·data-group-id="2967074267-4">(</span><span·class="nf">select</span><span·class="p"·data-group-[·...·truncated·by·diffoscope;·len:·235,·SHA:·be8b046aeed6fce4ce9fc0d88512c00783a9852ddbdba54f6b667a5afb2e2a2c·...·]-4">)</span><span·class="p">,</span><span·class="s">"·-·"</span><span·class="p">,</span><span·class="w"> |
| 287 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="2 | 287 | ·····</span><span·class="nf">xslapply</span><span·class="p"·data-group-id="2967074267-6">(</span><span·class="w">·</span><span·class="nf">fun</span><span·class="p"·data-group-id="2967074267-7">(</span><span·class="n">A</span><span·class="p"·data-group-id="2967074267-7">)</span><span·class="w">·</span><span·class="p">-></span><s[·...·truncated·by·diffoscope;·len:·422,·SHA:·c2c6967ae7823ea5bf36d350d5b1c87950fb87f19093ca97792a250445582df2·...·]-6">)</span><span·class="p">,</span><span·class="w"> |
| 288 | ·····</span><span·class="s">"</h3>"</span><span·class="p"·data-group-id="2 | 288 | ·····</span><span·class="s">"</h3>"</span><span·class="p"·data-group-id="2967074267-3">]</span><span·class="p">;</span></code></pre><hr·class="thin"/> |
| 289 | </div> | 289 | </div> |
| 290 | <div·class="bottom-actions"·id="bottom-actions"> | 290 | <div·class="bottom-actions"·id="bottom-actions"> |
| 291 | ··<div·class="bottom-actions-item"> | 291 | ··<div·class="bottom-actions-item"> |
| 292 | ······<a·href="xmerl_examples.html"·class="bottom-actions-button"·rel="prev"> | 292 | ······<a·href="xmerl_examples.html"·class="bottom-actions-button"·rel="prev"> |
| 293 | ········<span·class="subheader"> | 293 | ········<span·class="subheader"> |
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| 322 | ······<p·class="built-using"> | 322 | ······<p·class="built-using"> |
| 323 | ········Built·using | 323 | ········Built·using |
| 324 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 324 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 325 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 325 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
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| 772 | parsed·XML·<a·href="xmerl.html#t:xmlElement/0"><code·class="inline">Element :: #xmlElement{}</code></a> | 772 | parsed·XML·<a·href="xmerl.html#t:xmlElement/0"><code·class="inline">Element :: #xmlElement{}</code></a> |
| 773 | and·a·State,·<a·href="#t:global_state/0"><code·class="inline">global_state/0</code></a>,·which·holds·necessary·information | 773 | and·a·State,·<a·href="#t:global_state/0"><code·class="inline">global_state/0</code></a>,·which·holds·necessary·information |
| 774 | from·an·already·processed·schema.··Thus·validate·enables·reuse | 774 | from·an·already·processed·schema.··Thus·validate·enables·reuse |
| 775 | of·the·schema·information·and·therefore·if·one·shall·validate | 775 | of·the·schema·information·and·therefore·if·one·shall·validate |
| 776 | several·times·towards·the·same·schema·it·reduces·time·consumption.</p><p>The·result,·<code·class="inline">ValidElement</code>,·is·the·valid·element·that·conforms·to·the | 776 | several·times·towards·the·same·schema·it·reduces·time·consumption.</p><p>The·result,·<code·class="inline">ValidElement</code>,·is·the·valid·element·that·conforms·to·the |
| 777 | post-schema-validation·infoset.·When·the·validator·finds·an·error·it·tries·to | 777 | post-schema-validation·infoset.·When·the·validator·finds·an·error·it·tries·to |
| 778 | continue·and·reports·a·list·of·all·errors·found.·In·those·cases·an·unexpected | 778 | continue·and·reports·a·list·of·all·errors·found.·In·those·cases·an·unexpected |
| 779 | error·is·found·it·may·cause·a·single·error·reason.</p><p>Usage·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="mi">1</span><span·class="o">></span><span·class="p"·data-group-id=" | 779 | error·is·found·it·may·cause·a·single·error·reason.</p><p>Usage·example:</p><pre><code·class="makeup·erlang"·translate="no"><span·class="mi">1</span><span·class="o">></span><span·class="p"·data-group-id="7842403639-1">{</span><span·class="n">E</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id="7842403639-1">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_scan</span><sp[·...·truncated·by·diffoscope;·len:·197,·SHA:·b1551f1a9b52c0ba14c0b0aae6c2ad763e878957fd158f0285e58e705d9e33ac·...·]-2">)</span><span·class="p">.</span><span·class="w"> |
| 780 | </span><span·class="mi">2</span><span·class="o">></span><span·class="p"·data-group-id=" | 780 | </span><span·class="mi">2</span><span·class="o">></span><span·class="p"·data-group-id="7842403639-3">{</span><span·class="ss">ok</span><span·class="p">,</span><span·class="n">S</span><span·class="p"·data-group-id="7842403639-3">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_xsd</span><s[·...·truncated·by·diffoscope;·len:·206,·SHA:·d4cb29638e56495dc82e7ac30f782172bdfcc93df4c1d50aef104631138e5006·...·]-4">)</span><span·class="p">.</span><span·class="w"> |
| 781 | </span><span·class="mi">3</span><span·class="o">></span><span·class="p"·data-group-id=" | 781 | </span><span·class="mi">3</span><span·class="o">></span><span·class="p"·data-group-id="7842403639-5">{</span><span·class="n">E2</span><span·class="p">,</span><span·class="p">_</span><span·class="p"·data-group-id="7842403639-5">}</span><span·class="w">·</span><span·class="o">=</span><span·class="w">·</span><span·class="nc">xmerl_xsd</span><sp[·...·truncated·by·diffoscope;·len:·219,·SHA:·99c3ff85296a18147987d3399c9a5cfe4d0691f4db30335f96ca101966e12a84·...·]-6">)</span><span·class="p">.</span></code></pre><p>Observe·that·E2·may·differ·from·E·if·for·instance·there·are·default·values |
| 782 | defined·in·<code·class="inline">my_XML_Schema.xsd</code>.</p> | 782 | defined·in·<code·class="inline">my_XML_Schema.xsd</code>.</p> |
| 783 | ··</section> | 783 | ··</section> |
| 784 | </section> | 784 | </section> |
| 785 | ····</div> | 785 | ····</div> |
| 786 | ··</section> | 786 | ··</section> |
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| 800 | ······<p·class="built-using"> | 800 | ······<p·class="built-using"> |
| 801 | ········Built·using | 801 | ········Built·using |
| 802 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the | 802 | ········<a·href="https://github.com/elixir-lang/ex_doc"·title="ExDoc"·target="_blank"·rel="help·noopener"·translate="no">ExDoc</a>·(v0.35.1)·for·the |
| 803 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> | 803 | ··········<a·href="https://erlang.org"·title="Erlang"·target="_blank"·translate="no">Erlang·programming·language</a> |
| 804 | ······</p> | 804 | ······</p> |
| 805 | <p>Copyright·©·1996-202 | 805 | <p>Copyright·©·1996-2025·<a·href="https://www.ericsson.com">Ericsson·AB</a></p> |
| 806 | ····</footer> | 806 | ····</footer> |
| 807 | ··</div> | 807 | ··</div> |
| 808 | </main> | 808 | </main> |
| 809 | </div> | 809 | </div> |
| 810 | <script> | 810 | <script> |
| 811 | ··function·mermaidLoaded()·{ | 811 | ··function·mermaidLoaded()·{ |
| 812 | ····mermaid.initialize({ | 812 | ····mermaid.initialize({ |
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| 2 | -rw-r--r--···0········0········0······832·2025-03-11·08:30:48.000000·control.tar.xz | 2 | -rw-r--r--···0········0········0······832·2025-03-11·08:30:48.000000·control.tar.xz |
| 3 | -rw-r--r--···0········0········0···112 | 3 | -rw-r--r--···0········0········0···112484·2025-03-11·08:30:48.000000·data.tar.xz |
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| 2 | -rw-r--r--···0········0········0·····1932·2025-03-11·08:30:48.000000·control.tar.xz | 2 | -rw-r--r--···0········0········0·····1932·2025-03-11·08:30:48.000000·control.tar.xz |
| 3 | -rw-r--r--···0········0········0··10067 | 3 | -rw-r--r--···0········0········0··1006716·2025-03-11·08:30:48.000000·data.tar.xz |
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| 00010da0:·6805·6803·7704·7479·7065·7708·7077·6466··h.h.w.typew.pwdf | 00010da0:·6805·6803·7704·7479·7065·7708·7077·6466··h.h.w.typew.pwdf | ||
| 00010db0:·756e·5f32·6100·6c00·0000·0268·0277·0466··un_2a.l....h.w.f | 00010db0:·756e·5f32·6100·6c00·0000·0268·0277·0466··un_2a.l....h.w.f | ||
| 00010dc0:·696c·656b·0007·7373·682e·6872·6c68·0277··ilek..ssh.hrlh.w | 00010dc0:·696c·656b·0007·7373·682e·6872·6c68·0277··ilek..ssh.hrlh.w | ||
| 00010dd0:·086c·6f63·6174·696f·6e68·0262·0000·0387··.locationh.b.... | 00010dd0:·086c·6f63·6174·696f·6e68·0262·0000·0387··.locationh.b.... | ||
| 00010de0:·6102·6a6c·0000·0001·6d00·0000·0a70·7764··a.jl....m....pwd | 00010de0:·6102·6a6c·0000·0001·6d00·0000·0a70·7764··a.jl....m....pwd | ||
| 00010df0:·6675·6e5f·3228·296a·7704·6e6f·6e65·7400··fun_2()jw.nonet. | 00010df0:·6675·6e5f·3228·296a·7704·6e6f·6e65·7400··fun_2()jw.nonet. | ||
| 00010e00:·0000·0377·0574·6974·6c65·6d00·0000·0e44··...w.titlem....D | 00010e00:·0000·0377·0574·6974·6c65·6d00·0000·0e44··...w.titlem....D | ||
| 00010e10:·6165·6d6f·6e20·4f70·7469·6f6e·7377·0 | 00010e10:·6165·6d6f·6e20·4f70·7469·6f6e·7377·0565··aemon·Optionsw.e | ||
| 00010e20:·7870·6f72·7465·6477·0566·616c·7365·7705··xportedw.falsew. | |||
| 00010e | 00010e20:·7175·6976·6d00·0000·0a70·7764·6675·6e5f··quivm....pwdfun_ | ||
| 00010e30:·342f·3077·0865·7870·6f72·7465·6477·0566··4/0w.exportedw.f | |||
| 00010e40:· | 00010e40:·616c·7365·6805·6803·7704·7479·7065·770c··alseh.h.w.typew. | ||
| 00010e50:·6b62·5f69·6e74·5f74·7570·6c65·6100·6c00··kb_int_tuplea.l. | 00010e50:·6b62·5f69·6e74·5f74·7570·6c65·6100·6c00··kb_int_tuplea.l. | ||
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| 00010e70:·682e·6872·6c68·0277·086c·6f63·6174·696f··h.hrlh.w.locatio | 00010e70:·682e·6872·6c68·0277·086c·6f63·6174·696f··h.hrlh.w.locatio | ||
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| 00010e90:·6d00·0000·0e6b·625f·696e·745f·7475·706c··m....kb_int_tupl | 00010e90:·6d00·0000·0e6b·625f·696e·745f·7475·706c··m....kb_int_tupl | ||
| 00010ea0:·6528·296a·7704·6e6f·6e65·7400·0000·0277··e()jw.nonet....w | 00010ea0:·6528·296a·7704·6e6f·6e65·7400·0000·0277··e()jw.nonet....w | ||
| 00010eb0:·0574·6974·6c65·6d00·0000·0e44·6165·6d6f··.titlem....Daemo | 00010eb0:·0574·6974·6c65·6d00·0000·0e44·6165·6d6f··.titlem....Daemo | ||
| Offset 4836, 28 lines modified | Offset 4836, 28 lines modified | ||
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| 00012e40:·0268·0277·0466·696c·656b·0007·7373·682e··.h.w.filek..ssh. | 00012e40:·0268·0277·0466·696c·656b·0007·7373·682e··.h.w.filek..ssh. | ||
| 00012e50:·6872·6c68·0277·086c·6f63·6174·696f·6e68··hrlh.w.locationh | 00012e50:·6872·6c68·0277·086c·6f63·6174·696f·6e68··hrlh.w.locationh | ||
| 00012e60:·0262·0000·02e0·6102·6a6c·0000·0001·6d00··.b....a.jl....m. | 00012e60:·0262·0000·02e0·6102·6a6c·0000·0001·6d00··.b....a.jl....m. | ||
| 00012e70:·0000·0f27·7368·656c·6c5f·6675·6e2f·3127··...'shell_fun/1' | 00012e70:·0000·0f27·7368·656c·6c5f·6675·6e2f·3127··...'shell_fun/1' | ||
| 00012e80:·2829·6a77·046e·6f6e·6574·0000·0003·7705··()jw.nonet....w. | 00012e80:·2829·6a77·046e·6f6e·6574·0000·0003·7705··()jw.nonet....w. | ||
| 00012e90:·7469·746c·656d·0000·000e·4461·656d·6f6e··titlem....Daemon | 00012e90:·7469·746c·656d·0000·000e·4461·656d·6f6e··titlem....Daemon | ||
| 00012ea0:·204f·7074·696f·6e73·770 | 00012ea0:·204f·7074·696f·6e73·7705·6571·7569·766d···Optionsw.equivm | ||
| 00012eb0:·6564·7705·6661·6c73·6577·0565·7175·6976··edw.falsew.equiv | |||
| 00012e | 00012eb0:·0000·000f·2773·6865·6c6c·5f66·756e·2f32··....'shell_fun/2 | ||
| 00012ec0:·272f·3077·0865·7870·6f72·7465·6477·0566··'/0w.exportedw.f | |||
| 00012ed0:· | 00012ed0:·616c·7365·6805·6803·7704·7479·7065·7709··alseh.h.w.typew. | ||
| 00012ee0:·7368·656c·6c5f·6675·6e61·006c·0000·0002··shell_funa.l.... | 00012ee0:·7368·656c·6c5f·6675·6e61·006c·0000·0002··shell_funa.l.... | ||
| 00012ef0:·6802·7704·6669·6c65·6b00·0773·7368·2e68··h.w.filek..ssh.h | 00012ef0:·6802·7704·6669·6c65·6b00·0773·7368·2e68··h.w.filek..ssh.h | ||
| 00012f00:·726c·6802·7708·6c6f·6361·7469·6f6e·6802··rlh.w.locationh. | 00012f00:·726c·6802·7708·6c6f·6361·7469·6f6e·6802··rlh.w.locationh. | ||
| 00012f10:·6200·0002·dd61·026a·6c00·0000·016d·0000··b....a.jl....m.. | 00012f10:·6200·0002·dd61·026a·6c00·0000·016d·0000··b....a.jl....m.. | ||
| 00012f20:·000b·7368·656c·6c5f·6675·6e28·296a·7704··..shell_fun()jw. | 00012f20:·000b·7368·656c·6c5f·6675·6e28·296a·7704··..shell_fun()jw. | ||
| 00012f30:·6e6f·6e65·7400·0000·0377·0574·6974·6c65··nonet....w.title | 00012f30:·6e6f·6e65·7400·0000·0377·0574·6974·6c65··nonet....w.title | ||
| 00012f40:·6d00·0000·0e44·6165·6d6f·6e20·4f70·7469··m....Daemon·Opti | 00012f40:·6d00·0000·0e44·6165·6d6f·6e20·4f70·7469··m....Daemon·Opti | ||
| 00012f50:·6f6e·7377·0865·7870·6f72·7465·6477·0566··onsw.exportedw.f | |||
| 00012f60:·616c·7365·7705·6571·7569·766d·0000·000f··alsew.equivm.... | |||
| 00012f | 00012f50:·6f6e·7377·0565·7175·6976·6d00·0000·0f27··onsw.equivm....' | ||
| 00012f60:·7368·656c·6c5f·6675·6e2f·3227·2f30·7708··shell_fun/2'/0w. | |||
| 00012f70:·6578·706f·7274·6564·7705·6661·6c73·6568··exportedw.falseh | |||
| 00012f80:·0568·0377·0474·7970·6577·0a73·6865·6c6c··.h.w.typew.shell | 00012f80:·0568·0377·0474·7970·6577·0a73·6865·6c6c··.h.w.typew.shell | ||
| 00012f90:·5f73·7065·6361·006c·0000·0002·6802·7704··_speca.l....h.w. | 00012f90:·5f73·7065·6361·006c·0000·0002·6802·7704··_speca.l....h.w. | ||
| 00012fa0:·6669·6c65·6b00·0773·7368·2e68·726c·6802··filek..ssh.hrlh. | 00012fa0:·6669·6c65·6b00·0773·7368·2e68·726c·6802··filek..ssh.hrlh. | ||
| 00012fb0:·7708·6c6f·6361·7469·6f6e·6802·6200·0002··w.locationh.b... | 00012fb0:·7708·6c6f·6361·7469·6f6e·6802·6200·0002··w.locationh.b... | ||
| 00012fc0:·da61·026a·6c00·0000·016d·0000·000c·7368··.a.jl....m....sh | 00012fc0:·da61·026a·6c00·0000·016d·0000·000c·7368··.a.jl....m....sh | ||
| 00012fd0:·656c·6c5f·7370·6563·2829·6a77·046e·6f6e··ell_spec()jw.non | 00012fd0:·656c·6c5f·7370·6563·2829·6a77·046e·6f6e··ell_spec()jw.non | ||
| 00012fe0:·6574·0000·0002·7705·7469·746c·656d·0000··et....w.titlem.. | 00012fe0:·6574·0000·0002·7705·7469·746c·656d·0000··et....w.titlem.. | ||
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| 00013030:·6100·6c00·0000·0268·0277·0466·696c·656b··a.l....h.w.filek | 00013030:·6100·6c00·0000·0268·0277·0466·696c·656b··a.l....h.w.filek | ||
| 00013040:·0007·7373·682e·6872·6c68·0277·086c·6f63··..ssh.hrlh.w.loc | 00013040:·0007·7373·682e·6872·6c68·0277·086c·6f63··..ssh.hrlh.w.loc | ||
| 00013050:·6174·696f·6e68·0262·0000·02d8·6102·6a6c··ationh.b....a.jl | 00013050:·6174·696f·6e68·0262·0000·02d8·6102·6a6c··ationh.b....a.jl | ||
| 00013060:·0000·0001·6d00·0000·1573·6865·6c6c·5f64··....m....shell_d | 00013060:·0000·0001·6d00·0000·1573·6865·6c6c·5f64··....m....shell_d | ||
| 00013070:·6165·6d6f·6e5f·6f70·7469·6f6e·2829·6a77··aemon_option()jw | 00013070:·6165·6d6f·6e5f·6f70·7469·6f6e·2829·6a77··aemon_option()jw | ||
| 00013080:·046e·6f6e·6574·0000·0003·7705·7469·746c··.nonet....w.titl | 00013080:·046e·6f6e·6574·0000·0003·7705·7469·746c··.nonet....w.titl | ||
| 00013090:·656d·0000·000e·4461·656d·6f6e·204f·7074··em....Daemon·Opt | 00013090:·656d·0000·000e·4461·656d·6f6e·204f·7074··em....Daemon·Opt | ||
| 000130a0:·696f·6e73·7708·6578·706f·7274·6564·7705··ionsw.exportedw. | |||
| 000130b0:·6661·6c73·6577·0565·7175·6976·6d00·0000··falsew.equivm... | |||
| 000130 | 000130a0:·696f·6e73·7705·6571·7569·766d·0000·000f··ionsw.equivm.... | ||
| 000130b0:·2773·6865·6c6c·5f66·756e·2f32·272f·3077··'shell_fun/2'/0w | |||
| 000130c0:·0865·7870·6f72·7465·6477·0566·616c·7365··.exportedw.false | |||
| 000130d0:·6805·6803·7704·7479·7065·770f·7375·6273··h.h.w.typew.subs | 000130d0:·6805·6803·7704·7479·7065·770f·7375·6273··h.h.w.typew.subs | ||
| 000130e0:·7973·7465·6d5f·7370·6563·7361·006c·0000··ystem_specsa.l.. | 000130e0:·7973·7465·6d5f·7370·6563·7361·006c·0000··ystem_specsa.l.. | ||
| 000130f0:·0002·6802·7704·6669·6c65·6b00·0773·7368··..h.w.filek..ssh | 000130f0:·0002·6802·7704·6669·6c65·6b00·0773·7368··..h.w.filek..ssh | ||
| 00013100:·2e68·726c·6802·7708·6c6f·6361·7469·6f6e··.hrlh.w.location | 00013100:·2e68·726c·6802·7708·6c6f·6361·7469·6f6e··.hrlh.w.location | ||
| 00013110:·6802·6200·0002·d461·026a·6c00·0000·016d··h.b....a.jl....m | 00013110:·6802·6200·0002·d461·026a·6c00·0000·016d··h.b....a.jl....m | ||
| 00013120:·0000·0011·7375·6273·7973·7465·6d5f·7370··....subsystem_sp | 00013120:·0000·0011·7375·6273·7973·7465·6d5f·7370··....subsystem_sp | ||
| 00013130:·6563·7328·296a·7704·6e6f·6e65·7400·0000··ecs()jw.nonet... | 00013130:·6563·7328·296a·7704·6e6f·6e65·7400·0000··ecs()jw.nonet... |
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| 1 | -rw-r--r--···0········0········0········4·2025-03-11·08:30:48.000000·debian-binary | 1 | -rw-r--r--···0········0········0········4·2025-03-11·08:30:48.000000·debian-binary |
| 2 | -rw-r--r--···0········0········0·····1148·2025-03-11·08:30:48.000000·control.tar.xz | 2 | -rw-r--r--···0········0········0·····1148·2025-03-11·08:30:48.000000·control.tar.xz |
| 3 | -rw-r--r--···0········0········0·1396 | 3 | -rw-r--r--···0········0········0·13961468·2025-03-11·08:30:48.000000·data.tar.xz |
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| 5 | Architecture:·arm64 | 5 | Architecture:·arm64 |
| 6 | Maintainer:·Debian·Erlang·Packagers·<pkg-erlang-devel@lists.alioth.debian.org> | 6 | Maintainer:·Debian·Erlang·Packagers·<pkg-erlang-devel@lists.alioth.debian.org> |
| 7 | Installed-Size:·18901 | 7 | Installed-Size:·18901 |
| 8 | Depends:·erlang-base·(=·1:27.3+dfsg-1) | 8 | Depends:·erlang-base·(=·1:27.3+dfsg-1) |
| 9 | Section:·debug | 9 | Section:·debug |
| 10 | Priority:·optional | 10 | Priority:·optional |
| 11 | Description:·debug·symbols·for·erlang-base | 11 | Description:·debug·symbols·for·erlang-base |
| 12 | Build-Ids:·1840a5a59cf5f934abb0ff7b8ab0ff10619ef971·4268d845b7b0c9f287f045d30a89188ce0f832a8·753e31510019d2619753803e8bcb4c7439cb25ea·77e79c5515cc4b4989c56bb7ec441d329b457cb0·7fcf89c0652aaf322ad5874eaee5625e95b9328e·887abe6848786634405c1f2b101e1e5ea42fb | 12 | Build-Ids:·1840a5a59cf5f934abb0ff7b8ab0ff10619ef971·4268d845b7b0c9f287f045d30a89188ce0f832a8·753e31510019d2619753803e8bcb4c7439cb25ea·76416c8adcfa340823068a6fdcfee4d5cb364af7·77e79c5515cc4b4989c56bb7ec441d329b457cb0·7fcf89c0652aaf322ad5874eaee5625e95b9328e·887abe6848786634405c1f2b101e1e5ea42fbf44·a670cfdc725e3eafa9ae8a5bb8ca1c1d68b67e35·c6843dd82a1b7113739e340b1c436b3cf0c54e1f·c88e33576beec1cb843753ea9632bda1c5a9fe3e·cd2650b3f08f526227c65a9e92345d963d8dc7cb·da6fd846a5c25269245b265f3c1245ecfb553736·f977866ff58b9fb934af0691ba82f40e37432a2e |
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| 5 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/ | 5 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/ |
| 6 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/18/ | 6 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/18/ |
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| 8 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/42/ | 8 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/42/ |
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| 10 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/75/ | 10 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/75/ |
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| 14 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/7f/ | 16 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/7f/ |
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| 17 | -rw-r--r--···0·root·········(0)·root·········(0)···502680·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/88/7abe6848786634405c1f2b101e1e5ea42fbf44.debug | 19 | -rw-r--r--···0·root·········(0)·root·········(0)···502680·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/88/7abe6848786634405c1f2b101e1e5ea42fbf44.debug |
| 18 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/9f/ | ||
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| 20 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/a6/ | 20 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/a6/ |
| 21 | -rw-r--r--···0·root·········(0)·root·········(0)····76952·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/a6/70cfdc725e3eafa9ae8a5bb8ca1c1d68b67e35.debug | 21 | -rw-r--r--···0·root·········(0)·root·········(0)····76952·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/a6/70cfdc725e3eafa9ae8a5bb8ca1c1d68b67e35.debug |
| 22 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/c6/ | 22 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/c6/ |
| 23 | -rw-r--r--···0·root·········(0)·root·········(0)···114088·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/c6/843dd82a1b7113739e340b1c436b3cf0c54e1f.debug | 23 | -rw-r--r--···0·root·········(0)·root·········(0)···114088·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/c6/843dd82a1b7113739e340b1c436b3cf0c54e1f.debug |
| 24 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/c8/ | 24 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/c8/ |
| 25 | -rw-r--r--···0·root·········(0)·root·········(0)····23760·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/c8/8e33576beec1cb843753ea9632bda1c5a9fe3e.debug | 25 | -rw-r--r--···0·root·········(0)·root·········(0)····23760·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/c8/8e33576beec1cb843753ea9632bda1c5a9fe3e.debug |
| 26 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/cd/ | 26 | drwxr-xr-x···0·root·········(0)·root·········(0)········0·2025-03-11·08:30:48.000000·./usr/lib/debug/.build-id/cd/ |