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  26 <a name="boost.xpressive.op.front"></a><div class="titlepage"></div>
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  28 <h2><span class="refentrytitle">Struct front</span></h2>
  29 <p>boost::xpressive::op::front</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="../../../xpressive/reference.html#header.boost.xpressive.regex_actions_hpp" title="Header &lt;boost/xpressive/regex_actions.hpp&gt;">boost/xpressive/regex_actions.hpp</a>&gt;
  33
  34 </span>
  35 <span class="keyword">struct</span> <a class="link" href="front.html" title="Struct front">front</a> <span class="special">{</span>
  36   <span class="comment">// member classes/structs/unions</span>
  37   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Sig<span class="special">&gt;</span>
  38   <span class="keyword">struct</span> <a class="link" href="front/result.html" title="Struct template result">result</a> <span class="special">{</span>
  39   <span class="special">}</span><span class="special">;</span>
  40   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> This<span class="special">,</span> <span class="keyword">typename</span> Sequence<span class="special">&gt;</span>
  41   <span class="keyword">struct</span> <a class="link" href="front/result_This_Sequ_id1891881.html" title="Struct template result&lt;This(Sequence)&gt;">result</a><span class="special">&lt;</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">Sequence</span><span class="special">)</span><span class="special">&gt;</span> <span class="special">{</span>
  42     <span class="comment">// types</span>
  43     <span class="keyword">typedef</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">if_c</span><span class="special">&lt;</span> <span class="identifier">is_const</span><span class="special">&lt;</span> <span class="identifier">sequence_type</span> <span class="special">&gt;</span><span class="special">::</span><a class="link" href="../value.html" title="Struct template value">value</a><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">sequence_type</span><span class="special">::</span><span class="identifier">const_reference</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">sequence_type</span><span class="special">::</span><span class="identifier">reference</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <a class="link" href="front/result_This_Sequ_id1891881.html#boost.xpressive.op.front.result_This(Sequ_id1891881.type"><span class="identifier">type</span></a><span class="special">;</span>
  44
  45     <span class="comment">// <a class="link" href="front/result_This_Sequ_id1891881.html#id1891910-bb">public member functions</a></span>
  46     <span class="keyword">typedef</span> <a class="link" href="front/result_This_Sequ_id1891881.html#id1891913-bb"><span class="identifier">UNREF</span></a><span class="special">(</span><span class="identifier">Sequence</span><span class="special">)</span><span class="special">;</span>
  47   <span class="special">}</span><span class="special">;</span>
  48
  49   <span class="comment">// public data members</span>
  50   <a class="link" href="front/result.html" title="Struct template result">result</a><span class="special">&lt;</span> <a class="link" href="front.html" title="Struct front">front</a><span class="special">(</span><span class="identifier">Sequence</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <span class="identifier">operator()</span><span class="special">;</span>
  51 <span class="special">}</span><span class="special">;</span></pre></div>
  52 <div class="refsect1">
  53 <a name="id3873764"></a><h2>Description</h2>
  54 </div>
  55 </div>
  56 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
  57 <td align="left"></td>
  58 <td align="right"><div class="copyright-footer">Copyright &#169; 2007 Eric Niebler<p>
  59         Distributed under the Boost Software License, Version 1.0. (See accompanying
  60         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>)
  61       </p>
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