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>Function trim_copy_if</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="../../string_algo/reference.html#header.boost.algorithm.string.trim_hpp" title="Header <boost/algorithm/string/trim.hpp>"> 10<link rel="prev" href="trim_right.html" title="Function template trim_right"> 11<link rel="next" href="trim_copy.html" title="Function template trim_copy"> 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="trim_right.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../string_algo/reference.html#header.boost.algorithm.string.trim_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="trim_copy.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.algorithm.trim_copy_if"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Function trim_copy_if</span></h2> 30<p>boost::algorithm::trim_copy_if — Trim - parametric. </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="../../string_algo/reference.html#header.boost.algorithm.string.trim_hpp" title="Header <boost/algorithm/string/trim.hpp>">boost/algorithm/string/trim.hpp</a>> 34 35</span> 36<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> OutputIteratorT<span class="special">,</span> <span class="keyword">typename</span> RangeT<span class="special">,</span> <span class="keyword">typename</span> PredicateT<span class="special">></span> 37 <span class="identifier">OutputIteratorT</span> 38 <span class="identifier">trim_copy_if</span><span class="special">(</span><span class="identifier">OutputIteratorT</span> Output<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">RangeT</span> <span class="special">&</span> Input<span class="special">,</span> 39 <span class="identifier">PredicateT</span> IsSpace<span class="special">)</span><span class="special">;</span> 40<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SequenceT<span class="special">,</span> <span class="keyword">typename</span> PredicateT<span class="special">></span> 41 <span class="identifier">SequenceT</span> <span class="identifier">trim_copy_if</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">SequenceT</span> <span class="special">&</span> Input<span class="special">,</span> <span class="identifier">PredicateT</span> IsSpace<span class="special">)</span><span class="special">;</span></pre></div> 42<div class="refsect1"> 43<a name="id-1.3.3.9.23.13.4"></a><h2>Description</h2> 44<p>Remove all trailing and leading spaces from the input. The supplied predicate is used to determine which characters are considered spaces. The result is a trimmed copy of the input. It is returned as a sequence or copied to the output iterator</p> 45<p> 46 47</p> 48<div class="note"><table border="0" summary="Note"> 49<tr> 50<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td> 51<th align="left">Note</th> 52</tr> 53<tr><td align="left" valign="top"><p>The second variant of this function provides the strong exception-safety guarantee </p></td></tr> 54</table></div> 55<p> 56</p> 57<div class="variablelist"><table border="0" class="variablelist compact"> 58<colgroup> 59<col align="left" valign="top"> 60<col> 61</colgroup> 62<tbody> 63<tr> 64<td><p><span class="term">Parameters:</span></p></td> 65<td><div class="variablelist"><table border="0" class="variablelist compact"> 66<colgroup> 67<col align="left" valign="top"> 68<col> 69</colgroup> 70<tbody> 71<tr> 72<td><p><span class="term"><code class="computeroutput">Input</code></span></p></td> 73<td><p>An input range </p></td> 74</tr> 75<tr> 76<td><p><span class="term"><code class="computeroutput">IsSpace</code></span></p></td> 77<td><p>A unary predicate identifying spaces </p></td> 78</tr> 79<tr> 80<td><p><span class="term"><code class="computeroutput">Output</code></span></p></td> 81<td><p>An output iterator to which the result will be copied </p></td> 82</tr> 83</tbody> 84</table></div></td> 85</tr> 86<tr> 87<td><p><span class="term">Returns:</span></p></td> 88<td><p>An output iterator pointing just after the last inserted character or a copy of the input</p></td> 89</tr> 90</tbody> 91</table></div> 92</div> 93</div> 94<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 95<td align="left"></td> 96<td align="right"><div class="copyright-footer">Copyright © 2002-2004 Pavol Droba<p>Use, modification and distribution is subject to the Boost 97 Software License, Version 1.0. (See accompanying file 98 <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 99 </p> 100</div></td> 101</tr></table> 102<hr> 103<div class="spirit-nav"> 104<a accesskey="p" href="trim_right.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../string_algo/reference.html#header.boost.algorithm.string.trim_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="trim_copy.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 105</div> 106</body> 107</html> 108
