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<h1>
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<span class="m-breadcrumb"><a href="namespacetf.html">tf</a>::<wbr/></span>Graph <span class="m-thin">class</span>
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<div class="m-doc-include m-code m-inverted m-text-right"><span class="cp">#include</span> <a class="cpf" href="graph_8hpp.html"><taskflow/core/graph.hpp></a></div>
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</h1>
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<p>class to create a graph object</p>
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<h3>Contents</h3>
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Reference
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<li><a href="#typeless-methods">Constructors, destructors, conversion operators</a></li>
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<li><a href="#pub-methods">Public functions</a></li>
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<p>A graph is the ultimate storage for a task dependency graph and is the main gateway to interact with an executor. A graph manages a set of nodes in a global object pool that animates and recycles node objects efficiently without going through repetitive and expensive memory allocations and deallocations. This class is mainly used for creating an opaque graph object in a custom class to interact with the executor through taskflow composition.</p><p>A graph object is move-only.</p>
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<section id="typeless-methods">
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<h2><a href="#typeless-methods">Constructors, destructors, conversion operators</a></h2>
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<dl class="m-doc">
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<dt id="a1cd3bae8cabb45810b25cdbdd4e89006">
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<span class="m-doc-wrap-bumper"><a href="#a1cd3bae8cabb45810b25cdbdd4e89006" class="m-doc-self">Graph</a>(</span><span class="m-doc-wrap">) <span class="m-label m-flat m-info">defaulted</span></span>
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</dt>
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<dd>constructs a graph object</dd>
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<dt id="ade95936f49af81b9834e09e807033e61">
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<span class="m-doc-wrap-bumper"><a href="#ade95936f49af81b9834e09e807033e61" class="m-doc-self">Graph</a>(</span><span class="m-doc-wrap">const <a href="classtf_1_1Graph.html" class="m-doc">Graph</a>&) <span class="m-label m-flat m-danger">deleted</span></span>
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</dt>
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<dd>disabled copy constructor</dd>
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<dt id="a5fcaca536e67632ff6dd3cf2c0284cfd">
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<span class="m-doc-wrap-bumper"><a href="#a5fcaca536e67632ff6dd3cf2c0284cfd" class="m-doc-self">Graph</a>(</span><span class="m-doc-wrap"><a href="classtf_1_1Graph.html" class="m-doc">Graph</a>&&)</span>
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</dt>
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<dd>constructs a graph using move semantics</dd>
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<dt id="a493acc70cca8c0a09d7c407d28c59ee2">
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<span class="m-doc-wrap-bumper"><a href="#a493acc70cca8c0a09d7c407d28c59ee2" class="m-doc-self">~Graph</a>(</span><span class="m-doc-wrap">)</span>
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</dt>
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<dd>destructs the graph object</dd>
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</dl>
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</section>
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<section id="pub-methods">
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<h2><a href="#pub-methods">Public functions</a></h2>
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<dl class="m-doc">
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<dt id="a945eb240dd5d6840e282c525a1ea74e4">
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<span class="m-doc-wrap-bumper">auto <a href="#a945eb240dd5d6840e282c525a1ea74e4" class="m-doc-self">operator=</a>(</span><span class="m-doc-wrap">const <a href="classtf_1_1Graph.html" class="m-doc">Graph</a>&) -> <a href="classtf_1_1Graph.html" class="m-doc">Graph</a>& <span class="m-label m-flat m-danger">deleted</span></span>
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</dt>
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<dd>disabled copy assignment operator</dd>
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<dt id="a9104e2edd9e02c64d0102378f81ed9a9">
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<span class="m-doc-wrap-bumper">auto <a href="#a9104e2edd9e02c64d0102378f81ed9a9" class="m-doc-self">operator=</a>(</span><span class="m-doc-wrap"><a href="classtf_1_1Graph.html" class="m-doc">Graph</a>&&) -> <a href="classtf_1_1Graph.html" class="m-doc">Graph</a>&</span>
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</dt>
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<dd>assigns a graph using move semantics</dd>
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<dt id="a30750e1be2657e491854791cd3afff06">
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<span class="m-doc-wrap-bumper">auto <a href="#a30750e1be2657e491854791cd3afff06" class="m-doc-self">empty</a>(</span><span class="m-doc-wrap">) const -> bool</span>
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</dt>
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<dd>queries if the graph is empty</dd>
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<dt id="a790710289553897fa88672d9104d8ed1">
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<span class="m-doc-wrap-bumper">auto <a href="#a790710289553897fa88672d9104d8ed1" class="m-doc-self">size</a>(</span><span class="m-doc-wrap">) const -> size_t</span>
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</dt>
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<dd>queries the number of nodes in the graph</dd>
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<dt id="a8213e42bf3f7460757db411181d78c4c">
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<span class="m-doc-wrap-bumper">void <a href="#a8213e42bf3f7460757db411181d78c4c" class="m-doc-self">clear</a>(</span><span class="m-doc-wrap">)</span>
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</dt>
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<dd>clears the graph</dd>
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</dl>
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<p>Taskflow handbook is part of the <a href="https://taskflow.github.io">Taskflow project</a>, copyright © <a href="https://tsung-wei-huang.github.io/">Dr. Tsung-Wei Huang</a>, 2018–2024.<br />Generated by <a href="https://doxygen.org/">Doxygen</a> 1.9.1 and <a href="https://mcss.mosra.cz/">m.css</a>.</p>
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