1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>execution::context_as_t</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="execution__context_as.html" title="execution::context_as"> 10<link rel="next" href="execution__context_as_t/is_applicable_property_v.html" title="execution::context_as_t::is_applicable_property_v"> 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 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href="execution__context_as_t.html" title="execution::context_as_t">execution::context_as_t</a> 28</h3></div></div></div> 29<p> 30 A property that is used to obtain the execution context that is associated 31 with an executor. 32 </p> 33<pre class="programlisting">template< 34 typename U> 35struct context_as_t 36</pre> 37<h5> 38<a name="boost_asio.reference.execution__context_as_t.h0"></a> 39 <span class="phrase"><a name="boost_asio.reference.execution__context_as_t.types"></a></span><a class="link" href="execution__context_as_t.html#boost_asio.reference.execution__context_as_t.types">Types</a> 40 </h5> 41<div class="informaltable"><table class="table"> 42<colgroup> 43<col> 44<col> 45</colgroup> 46<thead><tr> 47<th> 48 <p> 49 Name 50 </p> 51 </th> 52<th> 53 <p> 54 Description 55 </p> 56 </th> 57</tr></thead> 58<tbody><tr> 59<td> 60 <p> 61 <a class="link" href="execution__context_as_t/polymorphic_query_result_type.html" title="execution::context_as_t::polymorphic_query_result_type"><span class="bold"><strong>polymorphic_query_result_type</strong></span></a> 62 </p> 63 </td> 64<td> 65 <p> 66 The type returned by queries against an any_executor. 67 </p> 68 </td> 69</tr></tbody> 70</table></div> 71<h5> 72<a name="boost_asio.reference.execution__context_as_t.h1"></a> 73 <span class="phrase"><a name="boost_asio.reference.execution__context_as_t.data_members"></a></span><a class="link" href="execution__context_as_t.html#boost_asio.reference.execution__context_as_t.data_members">Data 74 Members</a> 75 </h5> 76<div class="informaltable"><table class="table"> 77<colgroup> 78<col> 79<col> 80</colgroup> 81<thead><tr> 82<th> 83 <p> 84 Name 85 </p> 86 </th> 87<th> 88 <p> 89 Description 90 </p> 91 </th> 92</tr></thead> 93<tbody> 94<tr> 95<td> 96 <p> 97 <a class="link" href="execution__context_as_t/is_applicable_property_v.html" title="execution::context_as_t::is_applicable_property_v"><span class="bold"><strong>is_applicable_property_v</strong></span></a> <span class="silver">[static]</span> 98 </p> 99 </td> 100<td> 101 <p> 102 The context_as_t property applies to executors, senders, and schedulers. 103 </p> 104 </td> 105</tr> 106<tr> 107<td> 108 <p> 109 <a class="link" href="execution__context_as_t/is_preferable.html" title="execution::context_as_t::is_preferable"><span class="bold"><strong>is_preferable</strong></span></a> <span class="silver">[static]</span> 110 </p> 111 </td> 112<td> 113 <p> 114 The context_t property cannot be preferred. 115 </p> 116 </td> 117</tr> 118<tr> 119<td> 120 <p> 121 <a class="link" href="execution__context_as_t/is_requirable.html" title="execution::context_as_t::is_requirable"><span class="bold"><strong>is_requirable</strong></span></a> <span class="silver">[static]</span> 122 </p> 123 </td> 124<td> 125 <p> 126 The context_t property cannot be required. 127 </p> 128 </td> 129</tr> 130</tbody> 131</table></div> 132<h5> 133<a name="boost_asio.reference.execution__context_as_t.h2"></a> 134 <span class="phrase"><a name="boost_asio.reference.execution__context_as_t.requirements"></a></span><a class="link" href="execution__context_as_t.html#boost_asio.reference.execution__context_as_t.requirements">Requirements</a> 135 </h5> 136<p> 137 <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/execution/context_as.hpp</code> 138 </p> 139<p> 140 <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio/execution.hpp</code> 141 </p> 142</div> 143<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 144<td align="left"></td> 145<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 146 Kohlhoff<p> 147 Distributed under the Boost Software License, Version 1.0. (See accompanying 148 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>) 149 </p> 150</div></td> 151</tr></table> 152<hr> 153<div class="spirit-nav"> 154<a accesskey="p" href="execution__context_as.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="execution__context_as_t/is_applicable_property_v.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 155</div> 156</body> 157</html> 158
