76 lines
4.2 KiB
HTML
76 lines
4.2 KiB
HTML
<html>
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<title>strand::defer</title>
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<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="asio C++ library" width="250" height="60" src="../../../asio.png"></td></tr></table>
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<div class="section">
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<div class="titlepage"><div><div><h4 class="title">
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<a name="asio.reference.strand.defer"></a><a class="link" href="defer.html" title="strand::defer">strand::defer</a>
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</h4></div></div></div>
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<p>
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<a class="indexterm" name="asio.indexterm.strand.defer"></a>
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Request the strand to invoke the
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given function object.
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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">Function</span><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">Allocator</span><span class="special">></span>
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<span class="keyword">void</span> <span class="identifier">defer</span><span class="special">(</span>
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<span class="identifier">Function</span> <span class="special">&&</span> <span class="identifier">f</span><span class="special">,</span>
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<span class="keyword">const</span> <span class="identifier">Allocator</span> <span class="special">&</span> <span class="identifier">a</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
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</pre>
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<p>
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This function is used to ask the executor to execute the given function
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object. The function object will never be executed inside this function.
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Instead, it will be scheduled by the underlying executor's defer function.
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</p>
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<h6>
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<a name="asio.reference.strand.defer.h0"></a>
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<span><a name="asio.reference.strand.defer.parameters"></a></span><a class="link" href="defer.html#asio.reference.strand.defer.parameters">Parameters</a>
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</h6>
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<div class="variablelist">
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<p class="title"><b></b></p>
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<dl>
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<dt><span class="term">f</span></dt>
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<dd>
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<p>
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The function object to be called. The executor will make a copy of
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the handler object as required. The function signature of the function
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object must be:
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</p>
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<pre class="programlisting"><span class="keyword">void</span> <span class="identifier">function</span><span class="special">();</span>
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</pre>
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</dd>
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<dt><span class="term">a</span></dt>
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<dd><p>
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An allocator that may be used by the executor to allocate the internal
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storage needed for function invocation.
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</p></dd>
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</dl>
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</div>
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</div>
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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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</p>
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