64 lines
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64 lines
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<div class="titlepage"><div><div><h3 class="title">
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<a name="asio.reference.execution__is_receiver"></a><a class="link" href="execution__is_receiver.html" title="execution::is_receiver">execution::is_receiver</a>
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<a class="indexterm" name="asio.indexterm.execution__is_receiver"></a>
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<p>
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The <a class="link" href="execution__is_receiver.html" title="execution::is_receiver"><code class="computeroutput"><span class="identifier">execution</span><span class="special">::</span><span class="identifier">is_receiver</span></code></a>
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trait detects whether a type T satisfies the execution::receiver concept.
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</p>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <span class="identifier">T</span><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">E</span> <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">exception_ptr</span><span class="special">></span>
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<span class="keyword">struct</span> <span class="identifier">is_receiver</span>
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</pre>
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<p>
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Class template <code class="computeroutput"><span class="identifier">is_receiver</span></code>
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is a type trait that is derived from <code class="computeroutput"><span class="identifier">true_type</span></code>
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if the type <code class="computeroutput"><span class="identifier">T</span></code> meets the concept
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definition for a receiver for error type <code class="computeroutput"><span class="identifier">E</span></code>,
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otherwise <code class="computeroutput"><span class="identifier">false_type</span></code>.
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</p>
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<h5>
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<a name="asio.reference.execution__is_receiver.h0"></a>
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<span><a name="asio.reference.execution__is_receiver.requirements"></a></span><a class="link" href="execution__is_receiver.html#asio.reference.execution__is_receiver.requirements">Requirements</a>
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</h5>
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<p>
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<span class="emphasis"><em>Header: </em></span><code class="literal">asio/execution/receiver.hpp</code>
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</p>
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<p>
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<span class="emphasis"><em>Convenience header: </em></span><code class="literal">asio/execution.hpp</code>
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</p>
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<div class="copyright-footer">Copyright © 2003-2023 Christopher M. Kohlhoff<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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