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<!DOCTYPE html>
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<title>tf::TaskView class | Taskflow QuickStart</title>
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<h1>
<span class="m-breadcrumb"><a href="namespacetf.html">tf</a>::<wbr/></span>TaskView <span class="m-thin">class</span>
</h1>
<p>class to access task information from the observer interface</p>
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<h3>Contents</h3>
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Reference
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<li><a href="#pub-methods">Public functions</a></li>
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<section id="pub-methods">
<h2><a href="#pub-methods">Public functions</a></h2>
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<dt id="ac8cd58171de8ab4865e3c3f142db2db1">
<span class="m-doc-wrap-bumper">auto <a href="#ac8cd58171de8ab4865e3c3f142db2db1" class="m-doc-self">name</a>(</span><span class="m-doc-wrap">) const -> const <a href="http://en.cppreference.com/w/cpp/string/basic_string.html" class="m-doc-external">std::<wbr />string</a>&</span>
</dt>
<dd>queries the name of the task</dd>
<dt id="aff16d269ac75cffa55a312593f20d30d">
<span class="m-doc-wrap-bumper">auto <a href="#aff16d269ac75cffa55a312593f20d30d" class="m-doc-self">num_successors</a>(</span><span class="m-doc-wrap">) const -> size_t</span>
</dt>
<dd>queries the number of successors of the task</dd>
<dt id="acc4e2bef464e8fbb5706cefdf482a24f">
<span class="m-doc-wrap-bumper">auto <a href="#acc4e2bef464e8fbb5706cefdf482a24f" class="m-doc-self">num_dependents</a>(</span><span class="m-doc-wrap">) const -> size_t</span>
</dt>
<dd>queries the number of predecessors of the task</dd>
<dt id="ac7bcb9cb1ee8f020de56fdbf8e651388">
<span class="m-doc-wrap-bumper">auto <a href="#ac7bcb9cb1ee8f020de56fdbf8e651388" class="m-doc-self">num_strong_dependents</a>(</span><span class="m-doc-wrap">) const -> size_t</span>
</dt>
<dd>queries the number of strong dependents of the task</dd>
<dt id="ad1ddd9a7e68a81feee1785ece99e58f5">
<span class="m-doc-wrap-bumper">auto <a href="#ad1ddd9a7e68a81feee1785ece99e58f5" class="m-doc-self">num_weak_dependents</a>(</span><span class="m-doc-wrap">) const -> size_t</span>
</dt>
<dd>queries the number of weak dependents of the task</dd>
<dt id="a3cb647dc0064b5d11e0c87226c47f8f8">
<div class="m-doc-template">template<typename V></div>
<span class="m-doc-wrap-bumper">void <a href="#a3cb647dc0064b5d11e0c87226c47f8f8" class="m-doc-self">for_each_successor</a>(</span><span class="m-doc-wrap">V&& visitor) const</span>
</dt>
<dd>applies an visitor callable to each successor of the task</dd>
<dt id="a55651e26436bfc2499cadaca4a24e48d">
<div class="m-doc-template">template<typename V></div>
<span class="m-doc-wrap-bumper">void <a href="#a55651e26436bfc2499cadaca4a24e48d" class="m-doc-self">for_each_dependent</a>(</span><span class="m-doc-wrap">V&& visitor) const</span>
</dt>
<dd>applies an visitor callable to each dependents of the task</dd>
<dt id="aa20d7b5796064c3ab194e6d7ebe2adb1">
<span class="m-doc-wrap-bumper">auto <a href="#aa20d7b5796064c3ab194e6d7ebe2adb1" class="m-doc-self">type</a>(</span><span class="m-doc-wrap">) const -> <a href="namespacetf.html#a1355048578785a80414707ff308b395a" class="m-doc">TaskType</a></span>
</dt>
<dd>queries the task type</dd>
<dt id="abe95eb9e866cd7b8137d5e8ca5deace6">
<span class="m-doc-wrap-bumper">auto <a href="#abe95eb9e866cd7b8137d5e8ca5deace6" class="m-doc-self">hash_value</a>(</span><span class="m-doc-wrap">) const -> size_t</span>
</dt>
<dd>obtains a hash value of the underlying node</dd>
</dl>
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