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  26 <a name="boost.proto.not_.impl"></a><div class="titlepage"></div>
  27 <div class="refnamediv">
  28 <h2><span class="refentrytitle">Struct template impl</span></h2>
  29 <p>boost::proto::not_::impl</p>
  30 </div>
  31 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  32 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../../proto/reference.html#header.boost.proto.matches_hpp" title="Header &lt;boost/proto/matches.hpp&gt;">boost/proto/matches.hpp</a>&gt;
  33
  34 </span>
  35 <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <a class="link" href="../../../Expr.html" title="Concept Expr">Expr</a><span class="special">,</span> <span class="keyword">typename</span> State<span class="special">,</span> <span class="keyword">typename</span> Data<span class="special">&gt;</span>
  36 <span class="keyword">struct</span> <a class="link" href="impl.html" title="Struct template impl">impl</a> <span class="special">:</span> <span class="keyword"></span> <a class="link" href="../transform_impl.html" title="Struct template transform_impl">proto::transform_impl</a>&lt;Expr, State, Data&gt; <span class="special">{</span>
  37   <span class="comment">// types</span>
  38   <span class="keyword">typedef</span> <span class="identifier">Expr</span> <a name="boost.proto.not_.impl.result_type"></a><span class="identifier">result_type</span><span class="special">;</span>
  39
  40   <span class="comment">// <a class="link" href="impl.html#idp209102672-bb">public member functions</a></span>
  41   <span class="identifier">Expr</span> <a class="link" href="impl.html#idp209103232-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">impl</span><span class="special">::</span><span class="identifier">expr_param</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">impl</span><span class="special">::</span><span class="identifier">state_param</span><span class="special">,</span>
  42                   <span class="keyword">typename</span> <span class="identifier">impl</span><span class="special">::</span><span class="identifier">data_param</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  43 <span class="special">}</span><span class="special">;</span></pre></div>
  44 <div class="refsect1">
  45 <a name="idp375902816"></a><h2>Description</h2>
  46 <div class="refsect2">
  47 <a name="idp375903232"></a><h3>
  48 <a name="idp209102672-bb"></a><code class="computeroutput">impl</code> public member functions</h3>
  49 <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
  50 <pre class="literallayout"><span class="identifier">Expr</span> <a name="idp209103232-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">impl</span><span class="special">::</span><span class="identifier">expr_param</span> expr<span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">impl</span><span class="special">::</span><span class="identifier">state_param</span><span class="special">,</span>
  51                 <span class="keyword">typename</span> <span class="identifier">impl</span><span class="special">::</span><span class="identifier">data_param</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
  52 <div class="variablelist"><table border="0" class="variablelist compact">
  53 <colgroup>
  54 <col align="left" valign="top">
  55 <col>
  56 </colgroup>
  57 <tbody>
  58 <tr>
  59 <td><p><span class="term">Parameters:</span></p></td>
  60 <td><div class="variablelist"><table border="0" class="variablelist compact">
  61 <colgroup>
  62 <col align="left" valign="top">
  63 <col>
  64 </colgroup>
  65 <tbody><tr>
  66 <td><p><span class="term"><code class="computeroutput">expr</code></span></p></td>
  67 <td><p>An expression </p></td>
  68 </tr></tbody>
  69 </table></div></td>
  70 </tr>
  71 <tr>
  72 <td><p><span class="term">Requires:</span></p></td>
  73 <td><p>
  74                   <code class="computeroutput"><a class="link" href="../matches.html" title="Struct template matches">proto::matches</a>&lt;Expr, proto::not_&gt;::value</code>
  75                   is <code class="computeroutput">true</code>.
  76                 </p></td>
  77 </tr>
  78 <tr>
  79 <td><p><span class="term">Returns:</span></p></td>
  80 <td><p>
  81                   <code class="computeroutput">expr</code>
  82                 </p></td>
  83 </tr>
  84 </tbody>
  85 </table></div>
  86 </li></ol></div>
  87 </div>
  88 </div>
  89 </div>
  90 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
  91 <td align="left"></td>
  92 <td align="right"><div class="copyright-footer">Copyright &#169; 2008 Eric Niebler<p>
  93         Distributed under the Boost Software License, Version 1.0. (See accompanying
  94         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>)
  95       </p>
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