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| <title>The MPL Reference Manual: Integral Sequence Wrapper</title> |
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| <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="./concepts.html" class="navigation-link">Concepts</a> / <a href="./integral-sequence-wrapper.html" class="navigation-link">Integral Sequence Wrapper</a></td> |
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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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