1<?xml version="1.0" encoding="utf-8" ?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 4<head> 5<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 6<meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" /> 7<title>The MPL Reference Manual: range_c</title> 8<link rel="stylesheet" href="../style.css" type="text/css" /> 9</head> 10<body class="docframe refmanual"> 11<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./map.html" class="navigation-link">Prev</a> <a href="./vector-c.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./map.html" class="navigation-link">Back</a> <a href="./vector-c.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./classes.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 12<td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./sequences.html" class="navigation-link">Sequences</a> / <a href="./classes.html" class="navigation-link">Classes</a> / <a href="./range-c.html" class="navigation-link">range_c</a></td> 13</tr></table><div class="header-separator"></div> 14<div class="section" id="range-c"> 15<h1><a class="toc-backref" href="./classes.html#id1411">range_c</a></h1> 16<div class="section" id="synopsis"> 17<h3>Synopsis</h3> 18<pre class="literal-block"> 19template< 20 typename T 21 , T Start 22 , T Finish 23 > 24struct <a href="./range-c.html" class="identifier">range_c</a> 25{ 26 typedef <a href="./integral-c.html" class="identifier">integral_c</a><T,Start> start; 27 typedef <a href="./integral-c.html" class="identifier">integral_c</a><T,Finish> finish; 28 // <em>unspecified</em> 29 // <em>...</em> 30}; 31</pre> 32</div> 33<div class="section" id="id88"> 34<h3><a class="subsection-title" href="#description" name="description">Description</a></h3> 35<p><tt class="literal"><span class="pre"><a href="./range-c.html" class="identifier">range_c</a></span></tt> is a sorted <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a> of <a class="reference internal" href="./integral-constant.html">Integral Constant</a>s. Note 36that because it is not an <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>, sequence-building 37intrinsic metafunctions such as <tt class="literal"><span class="pre"><a href="./push-front.html" class="identifier">push_front</a></span></tt> and transformation algorithms 38such as <tt class="literal"><span class="pre"><a href="./replace.html" class="identifier">replace</a></span></tt> are not directly applicable — to be able to use 39them, you'd first need to copy the content of the range into a more suitable 40sequence.</p> 41</div> 42<div class="section" id="id89"> 43<h3><a class="subsection-title" href="#header" name="header">Header</a></h3> 44<pre class="literal-block"> 45#include <<a href="../../../../boost/mpl/range_c.hpp" class="header">boost/mpl/range_c.hpp</a>> 46</pre> 47</div> 48<div class="section" id="id90"> 49<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3> 50<p><a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a></p> 51</div> 52<div class="section" id="id91"> 53<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> 54<p>In the following table, <tt class="literal"><span class="pre">r</span></tt> is an instance of <tt class="literal"><span class="pre"><a href="./range-c.html" class="identifier">range_c</a></span></tt>, <tt class="literal"><span class="pre">n</span></tt> is an <a class="reference internal" href="./integral-constant.html">Integral Constant</a>, 55<tt class="literal"><span class="pre">T</span></tt> is an arbitrary integral type, and <tt class="literal"><span class="pre">n</span></tt> and <tt class="literal"><span class="pre">m</span></tt> are integral constant values of type <tt class="literal"><span class="pre">T</span></tt>.</p> 56<table border="1" class="docutils table"> 57<colgroup> 58<col width="34%" /> 59<col width="66%" /> 60</colgroup> 61<thead valign="bottom"> 62<tr><th class="head">Expression</th> 63<th class="head">Semantics</th> 64</tr> 65</thead> 66<tbody valign="top"> 67<tr><td><pre class="first last literal-block"> 68<tt class="literal"><span class="pre"><a href="./range-c.html" class="identifier">range_c</a><T,n,m></span></tt> 69<tt class="literal"><span class="pre"><a href="./range-c.html" class="identifier">range_c</a><T,n,m>::type</span></tt> 70</pre> 71</td> 72<td>A sorted <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a> of integral constant 73wrappers for the half-open range of values [<tt class="literal"><span class="pre">n</span></tt>, 74<tt class="literal"><span class="pre">m</span></tt>): <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,n></span></tt>, <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,n+1></span></tt>,... 75<tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,m-1></span></tt>.</td> 76</tr> 77<tr><td><tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><r>::type</span></tt></td> 78<td>An iterator pointing to the beginning of <tt class="literal"><span class="pre">r</span></tt>; 79see <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td> 80</tr> 81<tr><td><tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><r>::type</span></tt></td> 82<td>An iterator pointing to the end of <tt class="literal"><span class="pre">r</span></tt>; 83see <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td> 84</tr> 85<tr><td><tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><r>::type</span></tt></td> 86<td>The size of <tt class="literal"><span class="pre">r</span></tt>; see <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td> 87</tr> 88<tr><td><tt class="literal"><span class="pre"><a href="./empty.html" class="identifier">empty</a><r>::type</span></tt></td> 89<td>A boolean <a class="reference internal" href="./integral-constant.html">Integral Constant</a> <tt class="literal"><span class="pre">c</span></tt> such that 90<tt class="literal"><span class="pre">c::value</span> <span class="pre">==</span> <span class="pre">true</span></tt> if and only if <tt class="literal"><span class="pre">r</span></tt> is empty; see 91<a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td> 92</tr> 93<tr><td><tt class="literal"><span class="pre"><a href="./front.html" class="identifier">front</a><r>::type</span></tt></td> 94<td>The first element in <tt class="literal"><span class="pre">r</span></tt>; see 95<a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td> 96</tr> 97<tr><td><tt class="literal"><span class="pre"><a href="./back.html" class="identifier">back</a><r>::type</span></tt></td> 98<td>The last element in <tt class="literal"><span class="pre">r</span></tt>; see 99<a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td> 100</tr> 101<tr><td><tt class="literal"><span class="pre"><a href="./at.html" class="identifier">at</a><r,n>::type</span></tt></td> 102<td>The <tt class="literal"><span class="pre">n</span></tt>th element from the beginning of <tt class="literal"><span class="pre">r</span></tt>; see 103<a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>.</td> 104</tr> 105</tbody> 106</table> 107</div> 108<div class="section" id="id92"> 109<h3><a class="subsection-title" href="#example" name="example">Example</a></h3> 110<pre class="literal-block"> 111typedef <a href="./range-c.html" class="identifier">range_c</a><int,0,0> range0; 112typedef <a href="./range-c.html" class="identifier">range_c</a><int,0,1> range1; 113typedef <a href="./range-c.html" class="identifier">range_c</a><int,0,10> range10; 114 115<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a><range0>::value, ==, 0 ); 116<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a><range1>::value, ==, 1 ); 117<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a><range10>::value, ==, 10 ); 118 119<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./empty.html" class="identifier">empty</a><range0> )); 120<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( <a href="./empty.html" class="identifier">empty</a><range1> )); 121<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( <a href="./empty.html" class="identifier">empty</a><range10> )); 122 123<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./begin.html" class="identifier">begin</a><range0>::type, <a href="./end.html" class="identifier">end</a><range0>::type > )); 124<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( is_same< <a href="./begin.html" class="identifier">begin</a><range1>::type, <a href="./end.html" class="identifier">end</a><range1>::type > )); 125<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( is_same< <a href="./begin.html" class="identifier">begin</a><range10>::type, <a href="./end.html" class="identifier">end</a><range10>::type > )); 126 127<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./front.html" class="identifier">front</a><range1>::type::value, ==, 0 ); 128<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./back.html" class="identifier">back</a><range1>::type::value, ==, 0 ); 129<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./front.html" class="identifier">front</a><range10>::type::value, ==, 0 ); 130<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./back.html" class="identifier">back</a><range10>::type::value, ==, 9 ); 131</pre> 132</div> 133<div class="section" id="id93"> 134<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> 135<p><a class="reference internal" href="./sequences.html">Sequences</a>, <a class="reference internal" href="./random-access-sequence.html">Random Access Sequence</a>, <a class="reference internal" href="./vector-c.html">vector_c</a>, <a class="reference internal" href="./set-c.html">set_c</a>, <a class="reference internal" href="./list-c.html">list_c</a></p> 136<!-- Sequences/Classes//vector_c |70 --> 137</div> 138</div> 139 140<div class="footer-separator"></div> 141<table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./map.html" class="navigation-link">Prev</a> <a href="./vector-c.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./map.html" class="navigation-link">Back</a> <a href="./vector-c.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./classes.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> 142<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> 143Distributed under the Boost Software License, Version 1.0. (See accompanying 144file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body> 145</html> 146