ceph/src/boost/libs/mpl/doc/refmanual/range-c.html

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  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">
  19 template&lt;
  20       typename T
  21     , T Start
  22     , T Finish
  23     &gt;
  24 struct <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="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
  36 that because it is not an <a class="reference internal" href="./extensible-sequence.html">Extensible Sequence</a>, sequence-building
  37 intrinsic metafunctions such as <tt class="literal"><span class="pre"><a href="./push-front.html" class="identifier">push_front</a></span></tt> and transformation algorithms
  38 such 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
  39 them, you'd first need to copy the content of the range into a more suitable
  40 sequence.</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 &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="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>&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 internal" href="./random-access-sequence.html">Random Access Sequence</a> of integral constant
  73 wrappers 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>;
  79 see <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>&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>;
  83 see <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>&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 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>&lt;r&gt;::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>&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 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>&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 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>&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 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">
 111 typedef <a href="./range-c.html" class="identifier">range_c</a>&lt;int,0,0&gt; range0;
 112 typedef <a href="./range-c.html" class="identifier">range_c</a>&lt;int,0,1&gt; range1;
 113 typedef <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="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>
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