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| 2 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
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| 6 | <meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" /> | |
| 7 | <title>The MPL Reference Manual: int_</title> | |
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| 10 | <body class="docframe refmanual"> | |
| 11 | <table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./bool.html" class="navigation-link">Prev</a> <a href="./long.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./bool.html" class="navigation-link">Back</a> <a href="./long.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./numeric.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="./data-types.html" class="navigation-link">Data Types</a> / <a href="./numeric.html" class="navigation-link">Numeric</a> / <a href="./int.html" class="navigation-link">int_</a></td> | |
| 13 | </tr></table><div class="header-separator"></div> | |
| 14 | <div class="section" id="int"> | |
| 15 | <h1><a class="toc-backref" href="./numeric.html#id1577">int_</a></h1> | |
| 16 | <div class="section" id="id1230"> | |
| 17 | <h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> | |
| 18 | <pre class="literal-block"> | |
| 19 | template< | |
| 20 | int N | |
| 21 | > | |
| 22 | struct <a href="./int.html" class="identifier">int_</a> | |
| 23 | { | |
| 24 | // <em>unspecified</em> | |
| 25 | // ... | |
| 26 | }; | |
| 27 | </pre> | |
| 28 | </div> | |
| 29 | <div class="section" id="id1231"> | |
| 30 | <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> | |
| 31 | <p>An <a class="reference internal" href="./integral-constant.html">Integral Constant</a> wrapper for <tt class="literal"><span class="pre">int</span></tt>.</p> | |
| 32 | </div> | |
| 33 | <div class="section" id="id1232"> | |
| 34 | <h3><a class="subsection-title" href="#header" name="header">Header</a></h3> | |
| 35 | <pre class="literal-block"> | |
| 36 | #include <<a href="../../../../boost/mpl/int.hpp" class="header">boost/mpl/int.hpp</a>> | |
| 37 | </pre> | |
| 38 | </div> | |
| 39 | <div class="section" id="id1233"> | |
| 40 | <h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3> | |
| 41 | <p><a class="reference internal" href="./integral-constant.html">Integral Constant</a></p> | |
| 42 | </div> | |
| 43 | <div class="section" id="id1234"> | |
| 44 | <h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3> | |
| 45 | <table border="1" class="docutils table"> | |
| 46 | <colgroup> | |
| 47 | <col width="21%" /> | |
| 48 | <col width="42%" /> | |
| 49 | <col width="37%" /> | |
| 50 | </colgroup> | |
| 51 | <thead valign="bottom"> | |
| 52 | <tr><th class="head">Parameter</th> | |
| 53 | <th class="head">Requirement</th> | |
| 54 | <th class="head">Description</th> | |
| 55 | </tr> | |
| 56 | </thead> | |
| 57 | <tbody valign="top"> | |
| 58 | <tr><td><tt class="literal"><span class="pre">N</span></tt></td> | |
| 59 | <td>An integral constant</td> | |
| 60 | <td>A value to wrap.</td> | |
| 61 | </tr> | |
| 62 | </tbody> | |
| 63 | </table> | |
| 64 | </div> | |
| 65 | <div class="section" id="id1235"> | |
| 66 | <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> | |
| 67 | <p>The semantics of an expression are defined only | |
| 68 | where they differ from, or are not defined in <a class="reference internal" href="./integral-constant.html">Integral Constant</a>.</p> | |
| 69 | <p>For arbitrary integral constant <tt class="literal"><span class="pre">n</span></tt>:</p> | |
| 70 | <table border="1" class="docutils table"> | |
| 71 | <colgroup> | |
| 72 | <col width="24%" /> | |
| 73 | <col width="76%" /> | |
| 74 | </colgroup> | |
| 75 | <thead valign="bottom"> | |
| 76 | <tr><th class="head">Expression</th> | |
| 77 | <th class="head">Semantics</th> | |
| 78 | </tr> | |
| 79 | </thead> | |
| 80 | <tbody valign="top"> | |
| 81 | <tr><td><tt class="literal"><span class="pre"><a href="./int.html" class="identifier">int_</a><c></span></tt></td> | |
| 82 | <td>An <a class="reference internal" href="./integral-constant.html">Integral Constant</a> <tt class="literal"><span class="pre">x</span></tt> such that <tt class="literal"><span class="pre">x::value</span> <span class="pre">==</span> <span class="pre">c</span></tt> | |
| 83 | and <tt class="literal"><span class="pre">x::<a href="./value-type.html" class="identifier">value_type</a></span></tt> is identical to <tt class="literal"><span class="pre">int</span></tt>.</td> | |
| 84 | </tr> | |
| 85 | </tbody> | |
| 86 | </table> | |
| 87 | </div> | |
| 88 | <div class="section" id="id1236"> | |
| 89 | <h3><a class="subsection-title" href="#example" name="example">Example</a></h3> | |
| 90 | <pre class="literal-block"> | |
| 91 | typedef <a href="./int.html" class="identifier">int_</a><8> eight; | |
| 92 | ||
| 93 | <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< eight::<a href="./value-type.html" class="identifier">value_type</a>, int > )); | |
| 94 | <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< eight::type, eight > )); | |
| 95 | <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./next.html" class="identifier">next</a>< eight >::type, <a href="./int.html" class="identifier">int_</a><9> > )); | |
| 96 | <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./prior.html" class="identifier">prior</a>< eight >::type, <a href="./int.html" class="identifier">int_</a><7> > )); | |
| 97 | <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (eight::value), ==, 8 ); | |
| 98 | assert( eight() == 8 ); | |
| 99 | </pre> | |
| 100 | </div> | |
| 101 | <div class="section" id="id1237"> | |
| 102 | <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> | |
| 103 | <p><a class="reference internal" href="./data-types.html">Data Types</a>, <a class="reference internal" href="./integral-constant.html">Integral Constant</a>, <a class="reference internal" href="./long.html">long_</a>, <a class="reference internal" href="./size-t.html">size_t</a>, <a class="reference internal" href="./integral-c.html">integral_c</a></p> | |
| 104 | <!-- Data Types/Numeric//long_ |30 --> | |
| 105 | </div> | |
| 106 | </div> | |
| 107 | ||
| 108 | <div class="footer-separator"></div> | |
| 109 | <table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./bool.html" class="navigation-link">Prev</a> <a href="./long.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./bool.html" class="navigation-link">Back</a> <a href="./long.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./numeric.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> | |
| 110 | <td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> | |
| 111 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 112 | file 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> | |
| 113 | </html> |