1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>replace</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. Range 2.0"> 8<link rel="up" href="../mutating.html" title="Mutating algorithms"> 9<link rel="prev" href="remove_if.html" title="remove_if"> 10<link rel="next" href="replace_copy.html" title="replace_copy"> 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="remove_if.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../mutating.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="replace_copy.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="range.reference.algorithms.mutating.replace"></a><a class="link" href="replace.html" title="replace">replace</a> 28</h5></div></div></div> 29<h6> 30<a name="range.reference.algorithms.mutating.replace.h0"></a> 31 <span class="phrase"><a name="range.reference.algorithms.mutating.replace.prototype"></a></span><a class="link" href="replace.html#range.reference.algorithms.mutating.replace.prototype">Prototype</a> 32 </h6> 33<p> 34</p> 35<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> 36 <span class="keyword">class</span> <span class="identifier">ForwardRange</span><span class="special">,</span> 37 <span class="keyword">class</span> <span class="identifier">Value</span> 38 <span class="special">></span> 39<span class="identifier">ForwardRange</span><span class="special">&</span> <span class="identifier">replace</span><span class="special">(</span><span class="identifier">ForwardRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">Value</span><span class="special">&</span> <span class="identifier">what</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">Value</span><span class="special">&</span> <span class="identifier">with_what</span><span class="special">);</span> 40 41<span class="keyword">template</span><span class="special"><</span> 42 <span class="keyword">class</span> <span class="identifier">ForwardRange</span><span class="special">,</span> 43 <span class="keyword">class</span> <span class="identifier">UnaryPredicate</span> 44 <span class="special">></span> 45<span class="keyword">const</span> <span class="identifier">ForwardRange</span><span class="special">&</span> <span class="identifier">replace</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">ForwardRange</span><span class="special">&</span> <span class="identifier">rng</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">Value</span><span class="special">&</span> <span class="identifier">what</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">Value</span><span class="special">&</span> <span class="identifier">with_what</span><span class="special">);</span> 46</pre> 47<p> 48 </p> 49<h6> 50<a name="range.reference.algorithms.mutating.replace.h1"></a> 51 <span class="phrase"><a name="range.reference.algorithms.mutating.replace.description"></a></span><a class="link" href="replace.html#range.reference.algorithms.mutating.replace.description">Description</a> 52 </h6> 53<p> 54 <code class="computeroutput"><span class="identifier">replace</span></code> every element 55 in <code class="computeroutput"><span class="identifier">rng</span></code> equal to <code class="computeroutput"><span class="identifier">what</span></code> with <code class="computeroutput"><span class="identifier">with_what</span></code>. 56 Return a reference to <code class="computeroutput"><span class="identifier">rng</span></code>. 57 </p> 58<h6> 59<a name="range.reference.algorithms.mutating.replace.h2"></a> 60 <span class="phrase"><a name="range.reference.algorithms.mutating.replace.definition"></a></span><a class="link" href="replace.html#range.reference.algorithms.mutating.replace.definition">Definition</a> 61 </h6> 62<p> 63 Defined in the header file <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">replace</span><span class="special">.</span><span class="identifier">hpp</span></code> 64 </p> 65<h6> 66<a name="range.reference.algorithms.mutating.replace.h3"></a> 67 <span class="phrase"><a name="range.reference.algorithms.mutating.replace.requirements"></a></span><a class="link" href="replace.html#range.reference.algorithms.mutating.replace.requirements">Requirements</a> 68 </h6> 69<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 70<li class="listitem"> 71 <code class="computeroutput"><span class="identifier">ForwardRange</span></code> is a 72 model of the <a class="link" href="../../../concepts/forward_range.html" title="Forward Range">Forward 73 Range</a> Concept. 74 </li> 75<li class="listitem"> 76 <code class="computeroutput"><span class="identifier">ForwardRange</span></code> is mutable. 77 </li> 78<li class="listitem"> 79 <code class="computeroutput"><span class="identifier">Value</span></code> is convertible 80 to <code class="computeroutput"><span class="identifier">ForwardRange</span></code>'s 81 value type. 82 </li> 83<li class="listitem"> 84 <code class="computeroutput"><span class="identifier">Value</span></code> is a model 85 of the <code class="computeroutput"><span class="identifier">AssignableConcept</span></code>. 86 </li> 87<li class="listitem"> 88 <code class="computeroutput"><span class="identifier">Value</span></code> is a model 89 of the <code class="computeroutput"><span class="identifier">EqualityComparableConcept</span></code>, 90 and may be compared for equality with objects of <code class="computeroutput"><span class="identifier">ForwardRange</span></code>'s 91 value type. 92 </li> 93</ul></div> 94<h6> 95<a name="range.reference.algorithms.mutating.replace.h4"></a> 96 <span class="phrase"><a name="range.reference.algorithms.mutating.replace.complexity"></a></span><a class="link" href="replace.html#range.reference.algorithms.mutating.replace.complexity">Complexity</a> 97 </h6> 98<p> 99 Linear. <code class="computeroutput"><span class="identifier">replace</span></code> performs 100 exactly <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span></code> 101 comparisons for equality and at most <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span></code> assignments. 102 </p> 103</div> 104<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 105<td align="left"></td> 106<td align="right"><div class="copyright-footer">Copyright © 2003-2010 Thorsten Ottosen, 107 Neil Groves<p> 108 Distributed under the Boost Software License, Version 1.0. (See accompanying 109 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>) 110 </p> 111</div></td> 112</tr></table> 113<hr> 114<div class="spirit-nav"> 115<a accesskey="p" href="remove_if.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../mutating.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="replace_copy.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 116</div> 117</body> 118</html> 119