boost_mpl/doc/refmanual/reverse-copy.html

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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="./reverse-copy.html" class="navigation-link">reverse_copy</a></td>
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<div class="section" id="reverse-copy">
<h1><a class="toc-backref" href="./transformation-algorithms.html#id426" name="reverse-copy">reverse_copy</a></h1>
<div class="section" id="algorithms-transformation-reverse-synopsis">
<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
<pre class="literal-block">
template&lt;
      typename Sequence
    , typename In = <em>unspecified</em>
    &gt;
struct <a href="./reverse-copy.html" class="identifier">reverse_copy</a>
{
    typedef <em>unspecified</em> type;
};
</pre>
</div>
<div class="section" id="algorithms-transformation-reverse-description">
<h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
<p>Returns a reversed copy of the original sequence.</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="algorithms-transformation-reverse-header">
<h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
<pre class="literal-block">
#include &lt;<a href="../../../../boost/mpl/copy.hpp" class="header">boost/mpl/copy.hpp</a>&gt;
</pre>
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<div class="section" id="reverse-model-of">
<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
<p><a class="reference" href="./reversible-algorithm.html">Reversible Algorithm</a></p>
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<div class="section" id="algorithms-transformation-reverse-parameters">
<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
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<tr><th>Parameter</th>
<th>Requirement</th>
<th>Description</th>
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<tr><td><tt class="literal"><span class="pre">Sequence</span></tt></td>
<td><a class="reference" href="./forward-sequence.html">Forward Sequence</a></td>
<td>A sequence to copy.</td>
</tr>
<tr><td><tt class="literal"><span class="pre">In</span></tt></td>
<td><a class="reference" href="./inserter.html">Inserter</a></td>
<td>An inserter.</td>
</tr>
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<div class="section" id="algorithms-transformation-reverse-expression-semantics">
<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" href="./reversible-algorithm.html">Reversible Algorithm</a>.</p>
<p>For any <a class="reference" href="./forward-sequence.html">Forward Sequence</a> <tt class="literal"><span class="pre">s</span></tt>, and an <a class="reference" href="./inserter.html">Inserter</a> <tt class="literal"><span class="pre">in</span></tt>:</p>
<pre class="literal-block">
typedef <a href="./reverse-copy.html" class="identifier">reverse_copy</a>&lt;s,in&gt;::type r; 
</pre>
<table class="field-list" frame="void" rules="none">
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<tr class="field"><th class="field-name">Return type:</th><td class="field-body">A type.</td>
</tr>
<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p>
<pre class="last literal-block">
typedef <a href="./reverse-fold.html" class="identifier">reverse_fold</a>&lt; s,in::state,in::operation &gt;::type r; 
</pre>
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<div class="section" id="algorithms-transformation-reverse-complexity">
<h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3>
<p>Linear. Exactly <tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a>&lt;s&gt;::value</span></tt> applications of <tt class="literal"><span class="pre">in::operation</span></tt>.</p>
</div>
<div class="section" id="algorithms-transformation-reverse-example">
<h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
<pre class="literal-block">
typedef <a href="./list-c.html" class="identifier">list_c</a>&lt;int,10,11,12,13,14,15,16,17,18,19&gt;::type numbers;
typedef <a href="./reverse-copy.html" class="identifier">reverse_copy</a>&lt;
      <a href="./range-c.html" class="identifier">range_c</a>&lt;int,0,10&gt;
    , <a href="./front-inserter.html" class="identifier">front_inserter</a>&lt; numbers &gt;
    &gt;::type result;

<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( <a href="./size.html" class="identifier">size</a>&lt;result&gt;::value, ==, 20 );
<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./equal.html" class="identifier">equal</a>&lt; result,<a href="./range-c.html" class="identifier">range_c</a>&lt;int,0,20&gt; > ));
</pre>
</div>
<div class="section" id="algorithms-transformation-reverse-see-also">
<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
<p><a class="reference" href="./transformation-algorithms.html">Transformation Algorithms</a>, <a class="reference" href="./reversible-algorithm.html">Reversible Algorithm</a>, <a class="refentry reference" href="./copy.html"><tt class="refentry literal"><span class="pre">copy</span></tt></a>, <a class="refentry reference" href="./reverse-copy-if.html"><tt class="refentry literal"><span class="pre">reverse_copy_if</span></tt></a>, <a class="refentry reference" href="./reverse-transform.html"><tt class="refentry literal"><span class="pre">reverse_transform</span></tt></a></p>
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