1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Synopsis</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="../concept_implementation.html" title="Range concept implementation"> 9<link rel="prev" href="../concept_implementation.html" title="Range concept implementation"> 10<link rel="next" href="semantics.html" title="Semantics"> 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="../concept_implementation.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../concept_implementation.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="semantics.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="range.reference.concept_implementation.synopsis"></a><a class="link" href="synopsis.html" title="Synopsis">Synopsis</a> 28</h4></div></div></div> 29<p> 30</p> 31<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span> 32<span class="special">{</span> 33 <span class="comment">//</span> 34 <span class="comment">// Single Pass Range metafunctions</span> 35 <span class="comment">//</span> 36 37 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Enabler</span><span class="special">=</span><span class="keyword">void</span> <span class="special">></span> 38 <span class="keyword">struct</span> <span class="identifier">range_iterator</span><span class="special">;</span> 39 40 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 41 <span class="keyword">struct</span> <span class="identifier">range_value</span><span class="special">;</span> 42 43 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 44 <span class="keyword">struct</span> <span class="identifier">range_reference</span><span class="special">;</span> 45 46 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 47 <span class="keyword">struct</span> <span class="identifier">range_pointer</span><span class="special">;</span> 48 49 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 50 <span class="keyword">struct</span> <span class="identifier">range_category</span><span class="special">;</span> 51 52 <span class="comment">//</span> 53 <span class="comment">// Forward Range metafunctions</span> 54 <span class="comment">//</span> 55 56 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 57 <span class="keyword">struct</span> <span class="identifier">range_difference</span><span class="special">;</span> 58 59 <span class="comment">//</span> 60 <span class="comment">// Bidirectional Range metafunctions</span> 61 <span class="comment">//</span> 62 63 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 64 <span class="keyword">struct</span> <span class="identifier">range_reverse_iterator</span><span class="special">;</span> 65 66 <span class="comment">//</span> 67 <span class="comment">// Single Pass Range functions</span> 68 <span class="comment">//</span> 69 70 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 71 <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 72 <span class="identifier">begin</span><span class="special">(</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 73 74 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 75 <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 76 <span class="identifier">begin</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 77 78 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 79 <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 80 <span class="identifier">end</span><span class="special">(</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 81 82 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 83 <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 84 <span class="identifier">end</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 85 86 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 87 <span class="keyword">bool</span> 88 <span class="identifier">empty</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 89 90 <span class="comment">//</span> 91 <span class="comment">// Forward Range functions</span> 92 <span class="comment">//</span> 93 94 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 95 <span class="keyword">typename</span> <span class="identifier">range_difference</span><span class="special"><</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 96 <span class="identifier">distance</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 97 98 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 99 <span class="keyword">typename</span> <span class="identifier">range_size</span><span class="special"><</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 100 <span class="identifier">size</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 101 102 <span class="comment">//</span> 103 <span class="comment">// Bidirectional Range functions</span> 104 <span class="comment">//</span> 105 106 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 107 <span class="keyword">typename</span> <span class="identifier">range_reverse_iterator</span><span class="special"><</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 108 <span class="identifier">rbegin</span><span class="special">(</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 109 110 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 111 <span class="keyword">typename</span> <span class="identifier">range_reverse_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 112 <span class="identifier">rbegin</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 113 114 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 115 <span class="keyword">typename</span> <span class="identifier">range_reverse_iterator</span><span class="special"><</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 116 <span class="identifier">rend</span><span class="special">(</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 117 118 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 119 <span class="keyword">typename</span> <span class="identifier">range_reverse_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 120 <span class="identifier">rend</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 121 122 <span class="comment">//</span> 123 <span class="comment">// Special const Range functions</span> 124 <span class="comment">//</span> 125 126 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 127 <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 128 <span class="identifier">const_begin</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 129 130 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 131 <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 132 <span class="identifier">const_end</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 133 134 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 135 <span class="keyword">typename</span> <span class="identifier">range_reverse_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 136 <span class="identifier">const_rbegin</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 137 138 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 139 <span class="keyword">typename</span> <span class="identifier">range_reverse_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> 140 <span class="identifier">const_rend</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 141 142 <span class="comment">//</span> 143 <span class="comment">// String utilities</span> 144 <span class="comment">//</span> 145 146 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 147 <span class="identifier">iterator_range</span><span class="special"><</span> <span class="special">...</span> <span class="identifier">see</span> <span class="identifier">below</span> <span class="special">...</span> <span class="special">></span> 148 <span class="identifier">as_literal</span><span class="special">(</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 149 150 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 151 <span class="identifier">iterator_range</span><span class="special"><</span> <span class="special">...</span> <span class="identifier">see</span> <span class="identifier">below</span> <span class="special">...</span> <span class="special">></span> 152 <span class="identifier">as_literal</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 153 154 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 155 <span class="identifier">iterator_range</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> <span class="special">></span> 156 <span class="identifier">as_array</span><span class="special">(</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 157 158 <span class="keyword">template</span><span class="special"><</span> <span class="keyword">class</span> <span class="identifier">T</span> <span class="special">></span> 159 <span class="identifier">iterator_range</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">range_iterator</span><span class="special"><</span><span class="keyword">const</span> <span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> <span class="special">></span> 160 <span class="identifier">as_array</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">r</span> <span class="special">);</span> 161 162<span class="special">}</span> <span class="comment">// namespace 'boost'</span> 163</pre> 164<p> 165 </p> 166</div> 167<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 168<td align="left"></td> 169<td align="right"><div class="copyright-footer">Copyright © 2003-2010 Thorsten Ottosen, 170 Neil Groves<p> 171 Distributed under the Boost Software License, Version 1.0. (See accompanying 172 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>) 173 </p> 174</div></td> 175</tr></table> 176<hr> 177<div class="spirit-nav"> 178<a accesskey="p" href="../concept_implementation.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../concept_implementation.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="semantics.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 179</div> 180</body> 181</html> 182