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 distance</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="../../../proto/reference.html#header.boost.proto.functional.std.iterator_hpp" title="Header <boost/proto/functional/std/iterator.hpp>"> 10<link rel="prev" href="advance.html" title="Struct advance"> 11<link rel="next" href="distance/resu_1_3_33_5_26_2_1_1_2_4.html" title="Struct template result<This(InputIterator, InputIterator)>"> 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 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src="../../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.proto.functional.distance"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Struct distance</span></h2> 30<p>boost::proto::functional::distance — A <a class="link" href="../../../PolymorphicFunctionObject.html" title="Concept PolymorphicFunctionObject">PolymorphicFunctionObject</a> type that invokes the 31 <code class="computeroutput">std::distance()</code> function on its arguments.</p> 32</div> 33<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 34<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="../../../proto/reference.html#header.boost.proto.functional.std.iterator_hpp" title="Header <boost/proto/functional/std/iterator.hpp>">boost/proto/functional/std/iterator.hpp</a>> 35 36</span> 37<span class="keyword">struct</span> <a class="link" href="distance.html" title="Struct distance">distance</a> <span class="special">:</span> <span class="keyword"></span> <a class="link" href="../callable.html" title="Struct callable">proto::callable</a> <span class="special">{</span> 38 <span class="comment">// member classes/structs/unions</span> 39 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> This<span class="special">,</span> <span class="keyword">typename</span> <a class="link" href="../../../InputIterator.html" title="Concept InputIterator">InputIterator</a><span class="special">></span> 40 <span class="keyword">struct</span> <a class="link" href="distance/resu_1_3_33_5_26_2_1_1_2_4.html" title="Struct template result<This(InputIterator, InputIterator)>">result</a><span class="special"><</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">InputIterator</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">)</span><span class="special">></span> <span class="special">{</span> 41 <span class="comment">// types</span> 42 <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">iterator_traits</span><span class="special"><</span> 43 <span class="keyword">typename</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">remove_const</span><span class="special"><</span> 44 <span class="keyword">typename</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">remove_reference</span><span class="special"><</span><span class="identifier">InputIterator</span><span class="special">></span><span class="special">::</span><span class="identifier">type</span> 45 <span class="special">></span><span class="special">::</span><span class="identifier">type</span> 46 <span class="special">></span><span class="special">::</span><span class="identifier">difference_type</span> <a class="link" href="distance/resu_1_3_33_5_26_2_1_1_2_4.html#boost.proto.functional.distance.resu_1_3_33_5_26_2_1_1_2_4.type"><span class="identifier">type</span></a><span class="special">;</span> 47 <span class="special">}</span><span class="special">;</span> 48 49 <span class="comment">// <a class="link" href="distance.html#id-1_3_33_5_26_2_1_1_2_5-bb">public member functions</a></span> 50 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <a class="link" href="../../../InputIterator.html" title="Concept InputIterator">InputIterator</a><span class="special">></span> 51 <span class="keyword">void</span> <a class="link" href="distance.html#id-1_3_33_5_26_2_1_1_2_5_1-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">InputIterator</span><span class="special">,</span> <span class="identifier">InputIterator</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 52<span class="special">}</span><span class="special">;</span></pre></div> 53<div class="refsect1"> 54<a name="id-1.3.33.5.28.5.4"></a><h2>Description</h2> 55<p> 56 A <a class="link" href="../../../PolymorphicFunctionObject.html" title="Concept PolymorphicFunctionObject">PolymorphicFunctionObject</a> type that invokes the 57 <code class="computeroutput">std::distance()</code> function on its arguments.</p> 58<div class="refsect2"> 59<a name="id-1.3.33.5.28.5.4.3"></a><h3> 60<a name="id-1_3_33_5_26_2_1_1_2_5-bb"></a><code class="computeroutput">distance</code> public member functions</h3> 61<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> 62<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <a class="link" href="../../../InputIterator.html" title="Concept InputIterator">InputIterator</a><span class="special">></span> 63 <span class="keyword">void</span> <a name="id-1_3_33_5_26_2_1_1_2_5_1-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 64<div class="variablelist"><table border="0" class="variablelist compact"> 65<colgroup> 66<col align="left" valign="top"> 67<col> 68</colgroup> 69<tbody><tr> 70<td><p><span class="term">Returns:</span></p></td> 71<td><p><code class="computeroutput">std::distance(first, last)</code></p></td> 72</tr></tbody> 73</table></div> 74</li></ol></div> 75</div> 76</div> 77</div> 78<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 79<td align="left"></td> 80<td align="right"><div class="copyright-footer">Copyright © 2008 Eric Niebler<p> 81 Distributed under the Boost Software License, Version 1.0. (See accompanying 82 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>) 83 </p> 84</div></td> 85</tr></table> 86<hr> 87<div class="spirit-nav"> 88<a accesskey="p" href="advance.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../proto/reference.html#header.boost.proto.functional.std.iterator_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="distance/resu_1_3_33_5_26_2_1_1_2_4.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 89</div> 90</body> 91</html> 92
