1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>async_completion</title> 5<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../boost_asio.html" title="Boost.Asio"> 8<link rel="up" href="../reference.html" title="Reference"> 9<link rel="prev" href="associated_executor/type.html" title="associated_executor::type"> 10<link rel="next" href="async_completion/async_completion.html" title="async_completion::async_completion"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 15<td align="center"><a href="../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 17<td 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Helper template to deduce the handler type from a CompletionToken, capture 31 a local copy of the handler, and then create an <a class="link" href="async_result.html" title="async_result"><code class="computeroutput">async_result</code></a> 32 for the handler. 33 </p> 34<pre class="programlisting">template< 35 typename CompletionToken, 36 typename Signature> 37struct async_completion 38</pre> 39<h5> 40<a name="boost_asio.reference.async_completion.h0"></a> 41 <span class="phrase"><a name="boost_asio.reference.async_completion.types"></a></span><a class="link" href="async_completion.html#boost_asio.reference.async_completion.types">Types</a> 42 </h5> 43<div class="informaltable"><table class="table"> 44<colgroup> 45<col> 46<col> 47</colgroup> 48<thead><tr> 49<th> 50 <p> 51 Name 52 </p> 53 </th> 54<th> 55 <p> 56 Description 57 </p> 58 </th> 59</tr></thead> 60<tbody><tr> 61<td> 62 <p> 63 <a class="link" href="async_completion/completion_handler_type.html" title="async_completion::completion_handler_type"><span class="bold"><strong>completion_handler_type</strong></span></a> 64 </p> 65 </td> 66<td> 67 <p> 68 The real handler type to be used for the asynchronous operation. 69 </p> 70 </td> 71</tr></tbody> 72</table></div> 73<h5> 74<a name="boost_asio.reference.async_completion.h1"></a> 75 <span class="phrase"><a name="boost_asio.reference.async_completion.member_functions"></a></span><a class="link" href="async_completion.html#boost_asio.reference.async_completion.member_functions">Member Functions</a> 76 </h5> 77<div class="informaltable"><table class="table"> 78<colgroup> 79<col> 80<col> 81</colgroup> 82<thead><tr> 83<th> 84 <p> 85 Name 86 </p> 87 </th> 88<th> 89 <p> 90 Description 91 </p> 92 </th> 93</tr></thead> 94<tbody><tr> 95<td> 96 <p> 97 <a class="link" href="async_completion/async_completion.html" title="async_completion::async_completion"><span class="bold"><strong>async_completion</strong></span></a> <span class="silver">[constructor]</span> 98 </p> 99 </td> 100<td> 101 <p> 102 Constructor. 103 </p> 104 </td> 105</tr></tbody> 106</table></div> 107<h5> 108<a name="boost_asio.reference.async_completion.h2"></a> 109 <span class="phrase"><a name="boost_asio.reference.async_completion.data_members"></a></span><a class="link" href="async_completion.html#boost_asio.reference.async_completion.data_members">Data 110 Members</a> 111 </h5> 112<div class="informaltable"><table class="table"> 113<colgroup> 114<col> 115<col> 116</colgroup> 117<thead><tr> 118<th> 119 <p> 120 Name 121 </p> 122 </th> 123<th> 124 <p> 125 Description 126 </p> 127 </th> 128</tr></thead> 129<tbody> 130<tr> 131<td> 132 <p> 133 <a class="link" href="async_completion/completion_handler.html" title="async_completion::completion_handler"><span class="bold"><strong>completion_handler</strong></span></a> 134 </p> 135 </td> 136<td> 137 <p> 138 A copy of, or reference to, a real handler object. 139 </p> 140 </td> 141</tr> 142<tr> 143<td> 144 <p> 145 <a class="link" href="async_completion/result.html" title="async_completion::result"><span class="bold"><strong>result</strong></span></a> 146 </p> 147 </td> 148<td> 149 <p> 150 The result of the asynchronous operation's initiating function. 151 </p> 152 </td> 153</tr> 154</tbody> 155</table></div> 156<h5> 157<a name="boost_asio.reference.async_completion.h3"></a> 158 <span class="phrase"><a name="boost_asio.reference.async_completion.requirements"></a></span><a class="link" href="async_completion.html#boost_asio.reference.async_completion.requirements">Requirements</a> 159 </h5> 160<p> 161 <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/async_result.hpp</code> 162 </p> 163<p> 164 <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code> 165 </p> 166</div> 167<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 168<td align="left"></td> 169<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 170 Kohlhoff<p> 171 Distributed under the Boost Software License, Version 1.0. (See accompanying 172 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>) 173 </p> 174</div></td> 175</tr></table> 176<hr> 177<div class="spirit-nav"> 178<a accesskey="p" href="associated_executor/type.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../boost_asio.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="async_completion/async_completion.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 179</div> 180</body> 181</html> 182
