1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>buffer (25 of 32 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="../buffer.html" title="buffer"> 9<link rel="prev" href="overload24.html" title="buffer (24 of 32 overloads)"> 10<link rel="next" href="overload26.html" title="buffer (26 of 32 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="overload24.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../buffer.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="overload26.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.buffer.overload25"></a><a class="link" href="overload25.html" title="buffer (25 of 32 overloads)">buffer (25 28 of 32 overloads)</a> 29</h4></div></div></div> 30<p> 31 Create a new non-modifiable buffer that represents the given POD vector. 32 </p> 33<pre class="programlisting">template< 34 typename PodType, 35 typename Allocator> 36const_buffer buffer( 37 const std::vector< PodType, Allocator > & data); 38</pre> 39<h6> 40<a name="boost_asio.reference.buffer.overload25.h0"></a> 41 <span class="phrase"><a name="boost_asio.reference.buffer.overload25.return_value"></a></span><a class="link" href="overload25.html#boost_asio.reference.buffer.overload25.return_value">Return Value</a> 42 </h6> 43<p> 44 A <a class="link" href="../const_buffer.html" title="const_buffer"><code class="computeroutput">const_buffer</code></a> 45 value equivalent to: 46 </p> 47<pre class="programlisting">const_buffer( 48 data.size() ? &data[0] : 0, 49 data.size() * sizeof(PodType)); 50</pre> 51<h6> 52<a name="boost_asio.reference.buffer.overload25.h1"></a> 53 <span class="phrase"><a name="boost_asio.reference.buffer.overload25.remarks"></a></span><a class="link" href="overload25.html#boost_asio.reference.buffer.overload25.remarks">Remarks</a> 54 </h6> 55<p> 56 The buffer is invalidated by any vector operation that would also invalidate 57 iterators. 58 </p> 59</div> 60<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 61<td align="left"></td> 62<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 63 Kohlhoff<p> 64 Distributed under the Boost Software License, Version 1.0. (See accompanying 65 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>) 66 </p> 67</div></td> 68</tr></table> 69<hr> 70<div class="spirit-nav"> 71<a accesskey="p" href="overload24.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../buffer.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="overload26.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 72</div> 73</body> 74</html> 75