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| <title>The MPL Reference Manual: sort</title> |
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| <td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./algorithms.html" class="navigation-link">Algorithms</a> / <a href="./transformation-algorithms.html" class="navigation-link">Transformation Algorithms</a> / <a href="./sort.html" class="navigation-link">sort</a></td> |
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| <div class="section" id="sort"> |
| <h1><a class="toc-backref" href="./transformation-algorithms.html#id1496">sort</a></h1> |
| <div class="section" id="id705"> |
| <h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> |
| <pre class="literal-block"> |
| template< |
| typename Seq |
| , typename Pred = <a href="./less.html" class="identifier">less</a><<a href="./placeholders.html" class="identifier">_1</a>,<a href="./placeholders.html" class="identifier">_2</a>> |
| , typename In = <em>unspecified</em> |
| > |
| struct <a href="./sort.html" class="identifier">sort</a> |
| { |
| typedef <em>unspecified</em> type; |
| }; |
| </pre> |
| </div> |
| <div class="section" id="id706"> |
| <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> |
| <p>Returns a new sequence of all elements in the range [<tt class="literal"><span class="pre"><a href="./begin.html" class="identifier">begin</a><Seq>::type</span></tt>, <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a><Seq>::type</span></tt>) sorted according |
| to the ordering relation <tt class="literal"><span class="pre">Pred</span></tt>.</p> |
| <p>[<em>Note:</em> This wording applies to a no-inserter version(s) of the algorithm. See the |
| <cite>Expression semantics</cite> subsection for a precise specification of the algorithm's |
| details in all cases — <em>end note</em>]</p> |
| </div> |
| <div class="section" id="id707"> |
| <h3><a class="subsection-title" href="#header" name="header">Header</a></h3> |
| <pre class="literal-block"> |
| #include <<a href="../../../../boost/mpl/sort.hpp" class="header">boost/mpl/sort.hpp</a>> |
| </pre> |
| </div> |
| <div class="section" id="id708"> |
| <h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3> |
| <p><a class="reference internal" href="./reversible-algorithm.html">Reversible Algorithm</a></p> |
| </div> |
| <div class="section" id="id709"> |
| <h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3> |
| <table border="1" class="docutils table"> |
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| <col width="41%" /> |
| <col width="36%" /> |
| </colgroup> |
| <thead valign="bottom"> |
| <tr><th class="head">Parameter</th> |
| <th class="head">Requirement</th> |
| <th class="head">Description</th> |
| </tr> |
| </thead> |
| <tbody valign="top"> |
| <tr><td><tt class="literal"><span class="pre">Seq</span></tt></td> |
| <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td> |
| <td>An original sequence.</td> |
| </tr> |
| <tr><td><tt class="literal"><span class="pre">Pred</span></tt></td> |
| <td>Binary <a class="reference internal" href="./lambda-expression.html">Lambda Expression</a></td> |
| <td>An ordering relation.</td> |
| </tr> |
| <tr><td><tt class="literal"><span class="pre">In</span></tt></td> |
| <td><a class="reference internal" href="./inserter.html">Inserter</a></td> |
| <td>An inserter.</td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <div class="section" id="id710"> |
| <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="./reversible-algorithm.html">Reversible Algorithm</a>.</p> |
| <p>For any <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> <tt class="literal"><span class="pre">s</span></tt>, a binary <a class="reference internal" href="./lambda-expression.html">Lambda Expression</a> <tt class="literal"><span class="pre">pred</span></tt>, and an |
| <a class="reference internal" href="./inserter.html">Inserter</a> <tt class="literal"><span class="pre">in</span></tt>:</p> |
| <pre class="literal-block"> |
| typedef <a href="./sort.html" class="identifier">sort</a><s,pred,in>::type r; |
| </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">Return type:</th><td class="field-body"><p class="first">A type.</p> |
| </td> |
| </tr> |
| <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">If <tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span> <span class="pre"><=</span> <span class="pre">1</span></tt>, equivalent to</p> |
| <pre class="literal-block"> |
| typedef <a href="./copy.html" class="identifier">copy</a><s,in>::type r; |
| </pre> |
| <p>otherwise equivalent to</p> |
| <pre class="last literal-block"> |
| typedef <a href="./back-inserter.html" class="identifier">back_inserter</a>< <a href="./vector.html" class="identifier">vector</a><> > aux_in; |
| typedef <a href="./lambda.html" class="identifier">lambda</a><pred>::type p; |
| |
| typedef <a href="./begin.html" class="identifier">begin</a><s>::type pivot; |
| typedef <a href="./partition.html" class="identifier">partition</a>< |
| <a href="./iterator-range.html" class="identifier">iterator_range</a>< <a href="./next.html" class="identifier">next</a><pivot>::type, <a href="./end.html" class="identifier">end</a><s>::type > |
| , apply_wrap2<p,<a href="./placeholders.html" class="identifier">_1</a>,<a href="./deref.html" class="identifier">deref</a><pivot>::type> |
| , aux_in |
| , aux_in |
| >::type partitioned; |
| |
| typedef <a href="./sort.html" class="identifier">sort</a><partitioned::first,p,aux_in >::type part1; |
| typedef <a href="./sort.html" class="identifier">sort</a><partitioned::second,p,aux_in >::type part2; |
| |
| typedef <a href="./copy.html" class="identifier">copy</a>< |
| <a href="./joint-view.html" class="identifier">joint_view</a>< |
| <a href="./joint-view.html" class="identifier">joint_view</a><part1,<a href="./single-view.html" class="identifier">single_view</a>< <a href="./deref.html" class="identifier">deref</a><pivot>::type > > |
| , part2 |
| > |
| , in |
| >::type r; |
| </pre> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <div class="section" id="id711"> |
| <h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3> |
| <p>Average <em>O(n log(n))</em> where <em>n</em> == <tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span></tt>, quadratic at worst.</p> |
| </div> |
| <div class="section" id="id712"> |
| <h3><a class="subsection-title" href="#example" name="example">Example</a></h3> |
| <pre class="literal-block"> |
| typedef <a href="./vector-c.html" class="identifier">vector_c</a><int,3,4,0,-5,8,-1,7> numbers; |
| typedef <a href="./vector-c.html" class="identifier">vector_c</a><int,-5,-1,0,3,4,7,8> expected; |
| typedef <a href="./sort.html" class="identifier">sort</a><numbers>::type result; |
| |
| <a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./equal.html" class="identifier">equal</a>< result, expected, <a href="./equal-to.html" class="identifier">equal_to</a><_,_> > )); |
| </pre> |
| </div> |
| <div class="section" id="id713"> |
| <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> |
| <p><a class="reference internal" href="./transformation-algorithms.html">Transformation Algorithms</a>, <a class="reference internal" href="./reversible-algorithm.html">Reversible Algorithm</a>, <a class="reference internal" href="./partition.html">partition</a></p> |
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