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<div class="refentry" title="Struct reverse">
<a name="boost.proto.functional.reverse"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Struct reverse</span></h2>
<p>boost::proto::functional::reverse — A <a class="link" href="../../../PolymorphicFunctionObject.html" title="Concept PolymorphicFunctionObject">PolymorphicFunctionObject</a> type that invokes the
<code class="computeroutput">fusion::reverse()</code> algorithm on its argument.
</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="emphasis"><em>// In header: <<a class="link" href="../../../proto/reference.html#header.boost.proto.fusion_hpp" title="Header <boost/proto/fusion.hpp>">boost/proto/fusion.hpp</a>>
</em></span>
<span class="bold"><strong>struct</strong></span> <a class="link" href="reverse.html" title="Struct reverse">reverse</a> : <span class="bold"><strong></strong></span> <span class="type"><a class="link" href="../callable.html" title="Struct callable">proto::callable</a></span> {
<span class="emphasis"><em>// member classes/structs/unions</em></span>
<span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> This, <span class="bold"><strong>typename</strong></span> Expr>
<span class="bold"><strong>struct</strong></span> <a class="link" href="reverse/result_This_Expr__id1239127.html" title="Struct template result<This(Expr)>">result</a><This(Expr)> : <span class="bold"><strong></strong></span> <span class="type">result< This(Expr <span class="bold"><strong>const</strong></span> &) ></span> {
};
<span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> This, <span class="bold"><strong>typename</strong></span> Expr>
<span class="bold"><strong>struct</strong></span> <a class="link" href="reverse/result_This_Expr____id1239161.html" title="Struct template result<This(Expr &)>">result</a><This(Expr &)> : <span class="bold"><strong></strong></span> <span class="type">fusion::result_of::reverse< Expr ></span> {
};
<span class="emphasis"><em>// <a class="link" href="reverse.html#id1239195-bb">public member functions</a></em></span>
<span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> Expr>
<span class="type"><span class="bold"><strong>typename</strong></span> fusion::result_of::reverse< Expr >::type</span> <a class="link" href="reverse.html#id1239200-bb"><span class="bold"><strong>operator</strong></span>()</a>(Expr &) <span class="bold"><strong>const</strong></span>;
<span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> Expr>
<span class="type"><span class="bold"><strong>typename</strong></span> fusion::result_of::reverse< Expr <span class="bold"><strong>const</strong></span> >::type</span>
<a class="link" href="reverse.html#id1239240-bb"><span class="bold"><strong>operator</strong></span>()</a>(Expr <span class="bold"><strong>const</strong></span> &) <span class="bold"><strong>const</strong></span>;
};</pre></div>
<div class="refsect1" title="Description">
<a name="id1589639"></a><h2>Description</h2>
<p>
A <a class="link" href="../../../PolymorphicFunctionObject.html" title="Concept PolymorphicFunctionObject">PolymorphicFunctionObject</a> type that invokes the
<code class="computeroutput">fusion::reverse()</code> algorithm on its argument. This is
useful for defining a <a class="link" href="../../../CallableTransform.html" title="Concept CallableTransform">CallableTransform</a> like
<code class="computeroutput">reverse(_)</code>, which reverses the order of the children
of a Proto expression node.
</p>
<div class="refsect2" title="reverse public member functions">
<a name="id1589678"></a><h3>
<a name="id1239195-bb"></a><code class="computeroutput">reverse</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> Expr>
<span class="type"><span class="bold"><strong>typename</strong></span> fusion::result_of::reverse< Expr >::type</span>
<a name="id1239200-bb"></a><span class="bold"><strong>operator</strong></span>()(Expr & expr) <span class="bold"><strong>const</strong></span>;</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term">Returns:</span></p></td>
<td><p><code class="computeroutput">fusion::reverse(expr)</code></p></td>
</tr></tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> Expr>
<span class="type"><span class="bold"><strong>typename</strong></span> fusion::result_of::reverse< Expr <span class="bold"><strong>const</strong></span> >::type</span>
<a name="id1239240-bb"></a><span class="bold"><strong>operator</strong></span>()(Expr <span class="bold"><strong>const</strong></span> & expr) <span class="bold"><strong>const</strong></span>;</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term">Returns:</span></p></td>
<td><p><code class="computeroutput">fusion::reverse(expr)</code></p></td>
</tr></tbody>
</table></div>
</li>
</ol></div>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2008 Eric Niebler<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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