1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>strand::defer</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="../strand.html" title="strand"> 9<link rel="prev" href="../strand.html" title="strand"> 10<link rel="next" href="dispatch.html" title="strand::dispatch"> 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="../strand.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../strand.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="dispatch.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.strand.defer"></a><a class="link" href="defer.html" title="strand::defer">strand::defer</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="boost_asio.indexterm.strand.defer"></a> 31Request the strand to invoke 32 the given function object. 33 </p> 34<pre class="programlisting">template< 35 typename Function, 36 typename Allocator> 37void defer( 38 Function && f, 39 const Allocator & a) const; 40</pre> 41<p> 42 This function is used to ask the executor to execute the given function 43 object. The function object will never be executed inside this function. 44 Instead, it will be scheduled by the underlying executor's defer function. 45 </p> 46<h6> 47<a name="boost_asio.reference.strand.defer.h0"></a> 48 <span class="phrase"><a name="boost_asio.reference.strand.defer.parameters"></a></span><a class="link" href="defer.html#boost_asio.reference.strand.defer.parameters">Parameters</a> 49 </h6> 50<div class="variablelist"> 51<p class="title"><b></b></p> 52<dl class="variablelist"> 53<dt><span class="term">f</span></dt> 54<dd> 55<p> 56 The function object to be called. The executor will make a copy of 57 the handler object as required. The function signature of the function 58 object must be: 59</p> 60<pre class="programlisting">void function(); 61</pre> 62<p> 63 </p> 64</dd> 65<dt><span class="term">a</span></dt> 66<dd><p> 67 An allocator that may be used by the executor to allocate the internal 68 storage needed for function invocation. 69 </p></dd> 70</dl> 71</div> 72</div> 73<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 74<td align="left"></td> 75<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 76 Kohlhoff<p> 77 Distributed under the Boost Software License, Version 1.0. (See accompanying 78 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>) 79 </p> 80</div></td> 81</tr></table> 82<hr> 83<div class="spirit-nav"> 84<a accesskey="p" href="../strand.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../strand.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="dispatch.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 85</div> 86</body> 87</html> 88
