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- <div class="section" id="integral-c">
- <h1><a class="toc-backref" href="./numeric.html#id1580">integral_c</a></h1>
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- <h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
- <pre class="literal-block">
- template<
- typename T, T N
- >
- struct <a href="./integral-c.html" class="identifier">integral_c</a>
- {
- // <em>unspecified</em>
- // ...
- };
- </pre>
- </div>
- <div class="section" id="id1255">
- <h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
- <p>A generic <a class="reference internal" href="./integral-constant.html">Integral Constant</a> wrapper.</p>
- </div>
- <div class="section" id="id1256">
- <h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
- <pre class="literal-block">
- #include <<a href="../../../../boost/mpl/integral_c.hpp" class="header">boost/mpl/integral_c.hpp</a>>
- </pre>
- </div>
- <div class="section" id="id1257">
- <h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
- <p><a class="reference internal" href="./integral-constant.html">Integral Constant</a></p>
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- <h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
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- <th class="head">Description</th>
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- <tr><td><tt class="literal"><span class="pre">T</span></tt></td>
- <td>An integral type</td>
- <td>Wrapper's value type.</td>
- </tr>
- <tr><td><tt class="literal"><span class="pre">N</span></tt></td>
- <td>An integral constant</td>
- <td>A value to wrap.</td>
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- <div class="section" id="id1259">
- <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
- <p>The semantics of an expression are defined only
- where they differ from, or are not defined in <a class="reference internal" href="./integral-constant.html">Integral Constant</a>.</p>
- <p>For arbitrary integral type <tt class="literal"><span class="pre">t</span></tt> and integral constant <tt class="literal"><span class="pre">n</span></tt>:</p>
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- <tr><th class="head">Expression</th>
- <th class="head">Semantics</th>
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- </thead>
- <tbody valign="top">
- <tr><td><tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><t,c></span></tt></td>
- <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>
- 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">t</span></tt>.</td>
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- <div class="section" id="id1260">
- <h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
- <pre class="literal-block">
- typedef <a href="./integral-c.html" class="identifier">integral_c</a><short,8> eight;
- <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< eight::<a href="./value-type.html" class="identifier">value_type</a>, short > ));
- <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< eight::type, eight > ));
- <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./next.html" class="identifier">next</a>< eight >::type, <a href="./integral-c.html" class="identifier">integral_c</a><short,9> > ));
- <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( is_same< <a href="./prior.html" class="identifier">prior</a>< eight >::type, <a href="./integral-c.html" class="identifier">integral_c</a><short,7> > ));
- <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (eight::value), ==, 8 );
- assert( eight() == 8 );
- </pre>
- </div>
- <div class="section" id="id1261">
- <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
- <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="./bool.html">bool_</a>, <a class="reference internal" href="./int.html">int_</a>, <a class="reference internal" href="./long.html">long_</a>, <a class="reference internal" href="./size-t.html">size_t</a></p>
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