1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>http::basic_fields::operator[] (1 of 2 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="../../../../index.html" title="Chapter 1. Boost.Beast"> 8<link rel="up" href="../operator_lb__rb_.html" title="http::basic_fields::operator[]"> 9<link rel="prev" href="../operator_lb__rb_.html" title="http::basic_fields::operator[]"> 10<link rel="next" href="overload2.html" title="http::basic_fields::operator[] (2 of 2 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="../operator_lb__rb_.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../operator_lb__rb_.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="overload2.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h6 class="title"> 27<a name="beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1"></a><a class="link" href="overload1.html" title="http::basic_fields::operator[] (1 of 2 overloads)">http::basic_fields::operator[] 28 (1 of 2 overloads)</a> 29</h6></div></div></div> 30<p> 31 Returns the value for a field, or <code class="computeroutput"><span class="string">""</span></code> 32 if it does not exist. 33 </p> 34<h7><a name="beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1.h0"></a> 35 <span class="phrase"><a name="beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1.synopsis"></a></span><a class="link" href="overload1.html#beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1.synopsis">Synopsis</a> 36 </h7><pre class="programlisting"><span class="identifier">string_view</span> <span class="keyword">const</span> 37<span class="keyword">operator</span><span class="special">[](</span> 38 <span class="identifier">field</span> <span class="identifier">name</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 39</pre> 40<h7><a name="beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1.h1"></a> 41 <span class="phrase"><a name="beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1.description"></a></span><a class="link" href="overload1.html#beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1.description">Description</a> 42 </h7><p> 43 If more than one field with the specified name exists, the first field 44 defined by insertion order is returned. 45 </p> 46<h7><a name="beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1.h2"></a> 47 <span class="phrase"><a name="beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1.parameters"></a></span><a class="link" href="overload1.html#beast.ref.boost__beast__http__basic_fields.operator_lb__rb_.overload1.parameters">Parameters</a> 48 </h7><div class="informaltable"><table class="table"> 49<colgroup> 50<col> 51<col> 52</colgroup> 53<thead><tr> 54<th> 55 <p> 56 Name 57 </p> 58 </th> 59<th> 60 <p> 61 Description 62 </p> 63 </th> 64</tr></thead> 65<tbody><tr> 66<td> 67 <p> 68 <code class="computeroutput"><span class="identifier">name</span></code> 69 </p> 70 </td> 71<td> 72 <p> 73 The name of the field. 74 </p> 75 </td> 76</tr></tbody> 77</table></div> 78</div> 79<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 80<td align="left"></td> 81<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Vinnie 82 Falco<p> 83 Distributed under the Boost Software License, Version 1.0. (See accompanying 84 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>) 85 </p> 86</div></td> 87</tr></table> 88<hr> 89<div class="spirit-nav"> 90<a accesskey="p" href="../operator_lb__rb_.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../operator_lb__rb_.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="overload2.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 91</div> 92</body> 93</html> 94
