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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#id340" name="range-c">range_c</a></h1>
16<div class="section" id="synopsis">
17<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
18<pre class="literal-block">
19template&lt;
20      typename T
21    , T Start
22    , T Finish
23    &gt;
24struct <a href="./range-c.html" class="identifier">range_c</a>
25{
26    typedef <a href="./integral-c.html" class="identifier">integral_c</a>&lt;T,Start&gt; start;
27    typedef <a href="./integral-c.html" class="identifier">integral_c</a>&lt;T,Finish&gt; finish;
28    // <em>unspecified</em>
29    // <em>...</em>
30};
31</pre>
32</div>
33<div class="section" id="range-description">
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" href="./random-access-sequence.html">Random Access Sequence</a> of <a class="reference" href="./integral-constant.html">Integral Constant</a>s. Note
36that because it is not an <a class="reference" 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="range-header">
43<h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
44<pre class="literal-block">
45#include &lt;<a href="../../../../boost/mpl/range_c.hpp" class="header">boost/mpl/range_c.hpp</a>&gt;
46</pre>
47</div>
48<div class="section" id="range-model-of">
49<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
50<p><a class="reference" href="./random-access-sequence.html">Random Access Sequence</a></p>
51</div>
52<div class="section" id="range-expression-semantics">
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" 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="table">
57<colgroup>
58<col width="34%" />
59<col width="66%" />
60</colgroup>
61<thead valign="bottom">
62<tr><th>Expression</th>
63<th>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>&lt;T,n,m&gt;</span></tt>
69<tt class="literal"><span class="pre"><a href="./range-c.html" class="identifier">range_c</a>&lt;T,n,m&gt;::type</span></tt>
70</pre>
71</td>
72<td>A sorted <a class="reference" 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>&lt;T,n&gt;</span></tt>, <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a>&lt;T,n+1&gt;</span></tt>,...
75<tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a>&lt;T,m-1&gt;</span></tt>.</td>
76</tr>
77<tr><td><tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a>&lt;r&gt;::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" 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>&lt;r&gt;::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" 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>&lt;r&gt;::type</span></tt></td>
86<td>The size of <tt class="literal"><span class="pre">r</span></tt>; see <a class="reference" 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>&lt;r&gt;::type</span></tt></td>
89<td>A boolean <a class="reference" 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" 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>&lt;r&gt;::type</span></tt></td>
94<td>The first element in <tt class="literal"><span class="pre">r</span></tt>; see
95<a class="reference" 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>&lt;r&gt;::type</span></tt></td>
98<td>The last element in <tt class="literal"><span class="pre">r</span></tt>; see
99<a class="reference" 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>&lt;r,n&gt;::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" href="./random-access-sequence.html">Random Access Sequence</a>.</td>
104</tr>
105</tbody>
106</table>
107</div>
108<div class="section" id="range-example">
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>&lt;int,0,0&gt; range0;
112typedef <a href="./range-c.html" class="identifier">range_c</a>&lt;int,0,1&gt; range1;
113typedef <a href="./range-c.html" class="identifier">range_c</a>&lt;int,0,10&gt; range10;
114
115<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a>&lt;range0&gt;::value, ==, 0 );
116<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a>&lt;range1&gt;::value, ==, 1 );
117<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a>&lt;range10&gt;::value, ==, 10 );
118
119<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./empty.html" class="identifier">empty</a>&lt;range0&gt; ));
120<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( <a href="./empty.html" class="identifier">empty</a>&lt;range1&gt; ));
121<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( <a href="./empty.html" class="identifier">empty</a>&lt;range10&gt; ));
122
123<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same&lt; <a href="./begin.html" class="identifier">begin</a>&lt;range0&gt;::type, <a href="./end.html" class="identifier">end</a>&lt;range0&gt;::type &gt; ));
124<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( is_same&lt; <a href="./begin.html" class="identifier">begin</a>&lt;range1&gt;::type, <a href="./end.html" class="identifier">end</a>&lt;range1&gt;::type &gt; ));
125<a href="./assert-not.html" class="identifier">BOOST_MPL_ASSERT_NOT</a>(( is_same&lt; <a href="./begin.html" class="identifier">begin</a>&lt;range10&gt;::type, <a href="./end.html" class="identifier">end</a>&lt;range10&gt;::type &gt; ));
126
127<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./front.html" class="identifier">front</a>&lt;range1&gt;::type::value, ==, 0 );
128<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./back.html" class="identifier">back</a>&lt;range1&gt;::type::value, ==, 0 );
129<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./front.html" class="identifier">front</a>&lt;range10&gt;::type::value, ==, 0 );
130<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./back.html" class="identifier">back</a>&lt;range10&gt;::type::value, ==, 9 );
131</pre>
132</div>
133<div class="section" id="range-see-also">
134<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
135<p><a class="reference" href="./sequences.html">Sequences</a>, <a class="reference" href="./random-access-sequence.html">Random Access Sequence</a>, <a class="refentry reference" href="./vector-c.html"><tt class="refentry literal"><span class="pre">vector_c</span></tt></a>, <a class="refentry reference" href="./set-c.html"><tt class="refentry literal"><span class="pre">set_c</span></tt></a>, <a class="refentry reference" href="./list-c.html"><tt class="refentry literal"><span class="pre">list_c</span></tt></a></p>
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