1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>copy</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="../mutating.html" title="Mutating algorithms"> 10<link rel="next" href="copy_backward.html" title="copy_backward"> 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="../mutating.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="copy_backward.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.copy"></a><a class="link" href="copy.html" title="copy">copy</a> 28</h5></div></div></div> 29<h6> 30<a name="range.reference.algorithms.mutating.copy.h0"></a> 31 <span class="phrase"><a name="range.reference.algorithms.mutating.copy.prototype"></a></span><a class="link" href="copy.html#range.reference.algorithms.mutating.copy.prototype">Prototype</a> 32 </h6> 33<p> 34</p> 35<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">SinglePassRange</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">OutputIterator</span><span class="special">></span> 36<span class="identifier">OutputIterator</span> <span class="identifier">copy</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">SinglePassRange</span><span class="special">&</span> <span class="identifier">source_rng</span><span class="special">,</span> <span class="identifier">OutputIterator</span> <span class="identifier">out_it</span><span class="special">);</span> 37</pre> 38<p> 39 </p> 40<h6> 41<a name="range.reference.algorithms.mutating.copy.h1"></a> 42 <span class="phrase"><a name="range.reference.algorithms.mutating.copy.description"></a></span><a class="link" href="copy.html#range.reference.algorithms.mutating.copy.description">Description</a> 43 </h6> 44<p> 45 <code class="computeroutput"><span class="identifier">copy</span></code> copies all elements 46 from <code class="computeroutput"><span class="identifier">source_rng</span></code> to the 47 range <code class="computeroutput"><span class="special">[</span><span class="identifier">out_it</span><span class="special">,</span> <span class="identifier">out_it</span> 48 <span class="special">+</span> <span class="identifier">distance</span><span class="special">(</span><span class="identifier">source_rng</span><span class="special">))</span></code>. The return value is <code class="computeroutput"><span class="identifier">out_it</span> <span class="special">+</span> 49 <span class="identifier">distance</span><span class="special">(</span><span class="identifier">source_rng</span><span class="special">)</span></code> 50 </p> 51<h6> 52<a name="range.reference.algorithms.mutating.copy.h2"></a> 53 <span class="phrase"><a name="range.reference.algorithms.mutating.copy.definition"></a></span><a class="link" href="copy.html#range.reference.algorithms.mutating.copy.definition">Definition</a> 54 </h6> 55<p> 56 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">copy</span><span class="special">.</span><span class="identifier">hpp</span></code> 57 </p> 58<h6> 59<a name="range.reference.algorithms.mutating.copy.h3"></a> 60 <span class="phrase"><a name="range.reference.algorithms.mutating.copy.requirements"></a></span><a class="link" href="copy.html#range.reference.algorithms.mutating.copy.requirements">Requirements</a> 61 </h6> 62<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 63<li class="listitem"> 64 <code class="computeroutput"><span class="identifier">SinglePassRange</span></code> is 65 a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single 66 Pass Range</a> Concept. 67 </li> 68<li class="listitem"> 69 <code class="computeroutput"><span class="identifier">OutputIterator</span></code> is 70 a model of the <code class="computeroutput"><span class="identifier">OutputIteratorConcept</span></code>. 71 </li> 72<li class="listitem"> 73 The <code class="computeroutput"><span class="identifier">value_type</span></code> of 74 <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single Pass Range</a> 75 Concept is convertible to a type in <code class="computeroutput"><span class="identifier">OutputIterator</span></code>'s 76 set of value types. 77 </li> 78</ul></div> 79<h6> 80<a name="range.reference.algorithms.mutating.copy.h4"></a> 81 <span class="phrase"><a name="range.reference.algorithms.mutating.copy.precondition_"></a></span><a class="link" href="copy.html#range.reference.algorithms.mutating.copy.precondition_">Precondition:</a> 82 </h6> 83<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 84<li class="listitem"> 85 <code class="computeroutput"><span class="identifier">out_it</span></code> is not an 86 iterator within the <code class="computeroutput"><span class="identifier">source_rng</span></code>. 87 </li> 88<li class="listitem"> 89 <code class="computeroutput"><span class="special">[</span><span class="identifier">out_it</span><span class="special">,</span> <span class="identifier">out_it</span> 90 <span class="special">+</span> <span class="identifier">distance</span><span class="special">(</span><span class="identifier">source_rng</span><span class="special">))</span></code> is a valid range. 91 </li> 92</ul></div> 93<h6> 94<a name="range.reference.algorithms.mutating.copy.h5"></a> 95 <span class="phrase"><a name="range.reference.algorithms.mutating.copy.complexity"></a></span><a class="link" href="copy.html#range.reference.algorithms.mutating.copy.complexity">Complexity</a> 96 </h6> 97<p> 98 Linear. Exactly <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">source_rng</span><span class="special">)</span></code> assignments are performed. 99 </p> 100</div> 101<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 102<td align="left"></td> 103<td align="right"><div class="copyright-footer">Copyright © 2003-2010 Thorsten Ottosen, 104 Neil Groves<p> 105 Distributed under the Boost Software License, Version 1.0. (See accompanying 106 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>) 107 </p> 108</div></td> 109</tr></table> 110<hr> 111<div class="spirit-nav"> 112<a accesskey="p" href="../mutating.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="copy_backward.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 113</div> 114</body> 115</html> 116
