1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>dispatch (1 of 3 overloads)</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="../dispatch.html" title="dispatch"> 9<link rel="prev" href="../dispatch.html" title="dispatch"> 10<link rel="next" href="overload2.html" title="dispatch (2 of 3 overloads)"> 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 align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="../dispatch.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../dispatch.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="overload2.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="boost_asio.reference.dispatch.overload1"></a><a class="link" href="overload1.html" title="dispatch (1 of 3 overloads)">dispatch (1 28 of 3 overloads)</a> 29</h4></div></div></div> 30<p> 31 Submits a completion token or function object for execution. 32 </p> 33<pre class="programlisting">template< 34 typename CompletionToken> 35<a class="link" href="../asynchronous_operations.html#boost_asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> dispatch( 36 CompletionToken && token); 37</pre> 38<p> 39 This function submits an object for execution using the object's associated 40 executor. The function object may be called from the current thread prior 41 to returning from <code class="computeroutput">dispatch()</code>. Otherwise, it is queued for 42 execution. 43 </p> 44<p> 45 This function has the following effects: 46 </p> 47<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 48<li class="listitem"> 49 Constructs a function object handler of type <code class="computeroutput">Handler</code>, 50 initialized with <code class="computeroutput">handler(forward<CompletionToken>(token))</code>. 51 </li> 52<li class="listitem"> 53 Constructs an object <code class="computeroutput">result</code> of type <code class="computeroutput">async_result<Handler></code>, 54 initializing the object as <code class="computeroutput">result(handler)</code>. 55 </li> 56<li class="listitem"> 57 Obtains the handler's associated executor object <code class="computeroutput">ex</code> by 58 performing <code class="computeroutput">get_associated_executor(handler)</code>. 59 </li> 60<li class="listitem"> 61 Obtains the handler's associated allocator object <code class="computeroutput">alloc</code> 62 by performing <code class="computeroutput">get_associated_allocator(handler)</code>. 63 </li> 64<li class="listitem"> 65 Performs <code class="computeroutput">ex.dispatch(std::move(handler), alloc)</code>. 66 </li> 67<li class="listitem"> 68 Returns <code class="computeroutput">result.get()</code>. 69 </li> 70</ul></div> 71</div> 72<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 73<td align="left"></td> 74<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 75 Kohlhoff<p> 76 Distributed under the Boost Software License, Version 1.0. (See accompanying 77 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>) 78 </p> 79</div></td> 80</tr></table> 81<hr> 82<div class="spirit-nav"> 83<a accesskey="p" href="../dispatch.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../dispatch.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="overload2.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 84</div> 85</body> 86</html> 87