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- <title>The MPL Reference Manual: Integral Sequence Wrapper</title>
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- <div class="section" id="integral-sequence-wrapper">
- <h1><a class="toc-backref" href="./concepts.html#id1403">Integral Sequence Wrapper</a></h1>
- <div class="section" id="id40">
- <h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
- <p>An <a class="reference internal" href="./integral-sequence-wrapper.html">Integral Sequence Wrapper</a> is a class template that provides a concise
- interface for creating a corresponding sequence of <a class="reference internal" href="./integral-constant.html">Integral Constant</a>s. In
- particular, assuming that <tt class="literal"><span class="pre">seq</span></tt> is a name of the wrapper's underlying
- sequence and <em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub> are integral constants of an integral type <tt class="literal"><span class="pre">T</span></tt> to
- be stored in the sequence, the wrapper provides us with the following
- notation:</p>
- <blockquote>
- <div class="line-block">
- <div class="line"><tt class="literal"><span class="pre">seq_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt></div>
- </div>
- </blockquote>
- <p>If <tt class="literal"><span class="pre">seq</span></tt> is a <a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a>, <em>numbered</em> wrapper forms are
- also avaialable:</p>
- <blockquote>
- <div class="line-block">
- <div class="line"><tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre">_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt></div>
- </div>
- </blockquote>
- </div>
- <div class="section" id="id41">
- <h3><a class="subsection-title" href="#expression-requirements" name="expression-requirements">Expression requirements</a></h3>
- <p>In the following table and subsequent specifications, <tt class="literal"><span class="pre">seq</span></tt> is a placeholder token for the
- <a class="reference internal" href="./integral-sequence-wrapper.html">Integral Sequence Wrapper</a>'s underlying sequence's name.</p>
- <table border="1" class="docutils table">
- <colgroup>
- <col width="38%" />
- <col width="28%" />
- <col width="33%" />
- </colgroup>
- <thead valign="bottom">
- <tr><th class="head">Expression</th>
- <th class="head">Type</th>
- <th class="head">Complexity</th>
- </tr>
- </thead>
- <tbody valign="top">
- <tr><td><tt class="literal"><span class="pre">seq_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt></td>
- <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td>
- <td>Amortized constant time.</td>
- </tr>
- <tr><td><tt class="literal"><span class="pre">seq_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">>::type</span></tt></td>
- <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td>
- <td>Amortized constant time.</td>
- </tr>
- <tr><td><tt class="literal"><span class="pre">seq_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">>::<a href="./value-type.html" class="identifier">value_type</a></span></tt></td>
- <td>An integral type</td>
- <td>Amortized constant time.</td>
- </tr>
- <tr><td><tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre">_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt></td>
- <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td>
- <td>Amortized constant time.</td>
- </tr>
- <tr><td><tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre">_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">>::type</span></tt></td>
- <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td>
- <td>Amortized constant time.</td>
- </tr>
- <tr><td><tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre">_c<T</span></tt>,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub><tt class="literal"><span class="pre">>::<a href="./value-type.html" class="identifier">value_type</a></span></tt></td>
- <td>An integral type</td>
- <td>Amortized constant time.</td>
- </tr>
- </tbody>
- </table>
- </div>
- <div class="section" id="id42">
- <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
- <pre class="literal-block">
- typedef seq_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>> s;
- typedef seq<em>n</em>_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>> s;
- </pre>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><tt class="literal"><span class="pre">s</span></tt> is a sequence <tt class="literal"><span class="pre">seq</span></tt> of integral constant wrappers <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>1</sub><tt class="literal"><span class="pre">></span></tt>,
- <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>2</sub><tt class="literal"><span class="pre">></span></tt>, ... <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt>.</td>
- </tr>
- <tr class="field"><th class="field-name">Postcondition:</th><td class="field-body"><tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span> <span class="pre">==</span> <span class="pre">n</span></tt>.<!-- .. parsed-literal::
- BOOST_MPL_ASSERT_RELATION(( at_c<v,0>::type::value,==,\ |c1| ));
- BOOST_MPL_ASSERT_RELATION(( at_c<v,1>::type::value,==,\ |c2| ));
- ...
- BOOST_MPL_ASSERT_RELATION(( at_c<v,\ *n*>::type::value,==,\ |cn| )); -->
- </td>
- </tr>
- </tbody>
- </table>
- <!-- .......................................................................... -->
- <pre class="literal-block">
- typedef seq_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>>::type s;
- typedef seq<em>n</em>_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>>::type s;
- </pre>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><tt class="literal"><span class="pre">s</span></tt> is identical to
- <tt class="literal"><span class="pre">seq</span></tt><em>n</em><tt class="literal"><span class="pre"><</span></tt><tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>1</sub><tt class="literal"><span class="pre">></span></tt>,<tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>2</sub><tt class="literal"><span class="pre">></span></tt>,
- ... <tt class="literal"><span class="pre"><a href="./integral-c.html" class="identifier">integral_c</a><T,</span></tt><em>c</em><sub>n</sub><tt class="literal"><span class="pre">></span></tt> <tt class="literal"><span class="pre">></span></tt>.</td>
- </tr>
- </tbody>
- </table>
- <!-- .......................................................................... -->
- <pre class="literal-block">
- typedef seq_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>>::<a href="./value-type.html" class="identifier">value_type</a> t;
- typedef seq<em>n</em>_c<T,<em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>>::<a href="./value-type.html" class="identifier">value_type</a> t;
- </pre>
- <table class="docutils field-list" frame="void" rules="none">
- <col class="field-name" />
- <col class="field-body" />
- <tbody valign="top">
- <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><tt class="literal"><span class="pre">is_same<t,T>::value</span> <span class="pre">==</span> <span class="pre">true</span></tt>.</td>
- </tr>
- </tbody>
- </table>
- </div>
- <div class="section" id="id43">
- <h3><a class="subsection-title" href="#models" name="models">Models</a></h3>
- <ul class="simple">
- <li><a class="reference internal" href="./vector-c.html">vector_c</a></li>
- <li><a class="reference internal" href="./list-c.html">list_c</a></li>
- <li><a class="reference internal" href="./set-c.html">set_c</a></li>
- </ul>
- </div>
- <div class="section" id="id44">
- <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
- <p><a class="reference internal" href="./sequences.html">Sequences</a>, <a class="reference internal" href="./variadic-sequence.html">Variadic Sequence</a>, <a class="reference internal" href="./integral-constant.html">Integral Constant</a></p>
- <!-- Sequences/Concepts//Variadic Sequence |100 -->
- </div>
- </div>
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- <td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div>
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- 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>
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