1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>http::basic_fields::clear</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="../../../index.html" title="Chapter 1. Boost.Beast"> 8<link rel="up" href="../boost__beast__http__basic_fields.html" title="http::basic_fields"> 9<link rel="prev" href="cend.html" title="http::basic_fields::cend"> 10<link rel="next" href="insert.html" title="http::basic_fields::insert"> 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="cend.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__beast__http__basic_fields.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="insert.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="beast.ref.boost__beast__http__basic_fields.clear"></a><a class="link" href="clear.html" title="http::basic_fields::clear">http::basic_fields::clear</a> 28</h5></div></div></div> 29<p> 30 <a class="indexterm" name="idm46057551189616"></a> 31 </p> 32<p> 33 Remove all fields from the container. 34 </p> 35<h6> 36<a name="beast.ref.boost__beast__http__basic_fields.clear.h0"></a> 37 <span class="phrase"><a name="beast.ref.boost__beast__http__basic_fields.clear.synopsis"></a></span><a class="link" href="clear.html#beast.ref.boost__beast__http__basic_fields.clear.synopsis">Synopsis</a> 38 </h6> 39<pre class="programlisting"><span class="keyword">void</span> 40<span class="identifier">clear</span><span class="special">();</span> 41</pre> 42<h6> 43<a name="beast.ref.boost__beast__http__basic_fields.clear.h1"></a> 44 <span class="phrase"><a name="beast.ref.boost__beast__http__basic_fields.clear.description"></a></span><a class="link" href="clear.html#beast.ref.boost__beast__http__basic_fields.clear.description">Description</a> 45 </h6> 46<p> 47 All references, pointers, or iterators referring to contained elements 48 are invalidated. All past-the-end iterators are also invalidated. 49 </p> 50<h6> 51<a name="beast.ref.boost__beast__http__basic_fields.clear.h2"></a> 52 <span class="phrase"><a name="beast.ref.boost__beast__http__basic_fields.clear.postconditions"></a></span><a class="link" href="clear.html#beast.ref.boost__beast__http__basic_fields.clear.postconditions">Postconditions:</a> 53 </h6> 54<pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">distance</span><span class="special">(</span><span class="keyword">this</span><span class="special">-></span><span class="identifier">begin</span><span class="special">(),</span> <span class="keyword">this</span><span class="special">-></span><span class="identifier">end</span><span class="special">())</span> <span class="special">==</span> <span class="number">0</span> 55</pre> 56</div> 57<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 58<td align="left"></td> 59<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Vinnie 60 Falco<p> 61 Distributed under the Boost Software License, Version 1.0. (See accompanying 62 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>) 63 </p> 64</div></td> 65</tr></table> 66<hr> 67<div class="spirit-nav"> 68<a accesskey="p" href="cend.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost__beast__http__basic_fields.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="insert.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 69</div> 70</body> 71</html> 72
