1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Struct length</title> 6<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../../xpressive/reference.html#header.boost.xpressive.regex_actions_hpp" title="Header <boost/xpressive/regex_actions.hpp>"> 10<link rel="prev" href="insert/result.html" title="Struct template result"> 11<link rel="next" href="length/result.html" title="Struct template result"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> 16<td align="center"><a href="../../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="insert/result.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../xpressive/reference.html#header.boost.xpressive.regex_actions_hpp"><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="length/result.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.xpressive.op.length"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Struct length</span></h2> 30<p>boost::xpressive::op::length — <code class="computeroutput">length</code> is a PolymorphicFunctionObject for fetching the length of <code class="computeroutput"><a class="link" href="../sub_match.html" title="Struct template sub_match">sub_match</a></code>. </p> 31</div> 32<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 33<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../../xpressive/reference.html#header.boost.xpressive.regex_actions_hpp" title="Header <boost/xpressive/regex_actions.hpp>">boost/xpressive/regex_actions.hpp</a>> 34 35</span> 36<span class="keyword">struct</span> <a class="link" href="length.html" title="Struct length">length</a> <span class="special">{</span> 37 <span class="comment">// member classes/structs/unions</span> 38 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Sig<span class="special">></span> 39 <span class="keyword">struct</span> <a class="link" href="length/result.html" title="Struct template result">result</a> <span class="special">{</span> 40 <span class="special">}</span><span class="special">;</span> 41 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> This<span class="special">,</span> <span class="keyword">typename</span> Sub<span class="special">></span> 42 <span class="keyword">struct</span> <a class="link" href="length/resul_1_3_47_5_3_2_1_2_6_3.html" title="Struct template result<This(Sub)>">result</a><span class="special"><</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">Sub</span><span class="special">)</span><span class="special">></span> <span class="special">{</span> 43 <span class="comment">// types</span> 44 <span class="keyword">typedef</span> <span class="identifier">remove_reference</span><span class="special"><</span> <span class="identifier">Sub</span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span><span class="special">::</span><span class="identifier">difference_type</span> <a class="link" href="length/resul_1_3_47_5_3_2_1_2_6_3.html#boost.xpressive.op.length.resul_1_3_47_5_3_2_1_2_6_3.type"><span class="identifier">type</span></a><span class="special">;</span> 45 <span class="special">}</span><span class="special">;</span> 46 47 <span class="comment">// <a class="link" href="length.html#id-1_3_47_5_3_2_1_2_6_4-bb">public member functions</a></span> 48 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Sub<span class="special">></span> <span class="identifier">Sub</span><span class="special">::</span><span class="identifier">difference_type</span> <a class="link" href="length.html#id-1_3_47_5_3_2_1_2_6_4_1-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Sub</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 49<span class="special">}</span><span class="special">;</span></pre></div> 50<div class="refsect1"> 51<a name="id-1.3.47.5.4.9.4"></a><h2>Description</h2> 52<div class="refsect2"> 53<a name="id-1.3.47.5.4.9.4.2"></a><h3> 54<a name="id-1_3_47_5_3_2_1_2_6_4-bb"></a><code class="computeroutput">length</code> public member functions</h3> 55<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> 56<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Sub<span class="special">></span> <span class="identifier">Sub</span><span class="special">::</span><span class="identifier">difference_type</span> <a name="id-1_3_47_5_3_2_1_2_6_4_1-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Sub</span> <span class="keyword">const</span> <span class="special">&</span> sub<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 57<p> 58 59</p> 60<div class="variablelist"><table border="0" class="variablelist compact"> 61<colgroup> 62<col align="left" valign="top"> 63<col> 64</colgroup> 65<tbody> 66<tr> 67<td><p><span class="term">Parameters:</span></p></td> 68<td><div class="variablelist"><table border="0" class="variablelist compact"> 69<colgroup> 70<col align="left" valign="top"> 71<col> 72</colgroup> 73<tbody><tr> 74<td><p><span class="term"><code class="computeroutput">sub</code></span></p></td> 75<td><p>The <code class="computeroutput"><code class="computeroutput"><a class="link" href="../sub_match.html" title="Struct template sub_match">sub_match</a></code></code> object. </p></td> 76</tr></tbody> 77</table></div></td> 78</tr> 79<tr> 80<td><p><span class="term">Returns:</span></p></td> 81<td><p><code class="computeroutput">sub.length()</code> </p></td> 82</tr> 83</tbody> 84</table></div> 85</li></ol></div> 86</div> 87</div> 88</div> 89<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 90<td align="left"></td> 91<td align="right"><div class="copyright-footer">Copyright © 2007 Eric Niebler<p> 92 Distributed under the Boost Software License, Version 1.0. (See accompanying 93 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>) 94 </p> 95</div></td> 96</tr></table> 97<hr> 98<div class="spirit-nav"> 99<a accesskey="p" href="insert/result.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../xpressive/reference.html#header.boost.xpressive.regex_actions_hpp"><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="length/result.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 100</div> 101</body> 102</html> 103
