doc/html/boost/proto/functional/pop_front.html


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<a name="boost.proto.functional.pop_front"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Struct pop_front</span></h2>
<p>boost::proto::functional::pop_front &#8212; A <a class="link" href="../../../PolymorphicFunctionObject.html" title="Concept PolymorphicFunctionObject">PolymorphicFunctionObject</a> type that invokes the
            <code class="computeroutput">fusion::pop_front()</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="comment">// In header: &lt;<a class="link" href="../../../proto/reference.html#header.boost.proto.functional.fusion.pop_front_hpp" title="Header &lt;boost/proto/functional/fusion/pop_front.hpp&gt;">boost/proto/functional/fusion/pop_front.hpp</a>&gt;

</span>
<span class="keyword">struct</span> <a class="link" href="pop_front.html" title="Struct pop_front">pop_front</a> <span class="special">:</span> <span class="keyword"></span> <a class="link" href="../callable.html" title="Struct callable">proto::callable</a> <span class="special">{</span>
  <span class="comment">// member classes/structs/unions</span>
  <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> Seq<span class="special">&gt;</span> 
  <span class="keyword">struct</span> <a class="link" href="pop_front/result_This_S_idp205401440.html" title="Struct template result&lt;This(Seq)&gt;">result</a><span class="special">&lt;</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">Seq</span><span class="special">)</span><span class="special">&gt;</span> <span class="special">:</span> <span class="keyword"></span> result&lt; This(Seq const &amp;) &gt; <span class="special">{</span>
  <span class="special">}</span><span class="special">;</span>
  <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> Seq<span class="special">&gt;</span> 
  <span class="keyword">struct</span> <a class="link" href="pop_front/result_This_S_idp205405488.html" title="Struct template result&lt;This(Seq &amp;)&gt;">result</a><span class="special">&lt;</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">Seq</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">&gt;</span> <span class="special">:</span> <span class="keyword"></span> fusion::result_of::pop_front&lt; Seq &gt; <span class="special">{</span>
  <span class="special">}</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="pop_front.html#idp205409536-bb">public member functions</a></span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Seq<span class="special">&gt;</span> 
    <span class="keyword">typename</span> <span class="identifier">fusion</span><span class="special">::</span><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">pop_front</span><span class="special">&lt;</span> <span class="identifier">Seq</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <a class="link" href="pop_front.html#idp205410096-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Seq</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Seq<span class="special">&gt;</span> 
    <span class="keyword">typename</span> <span class="identifier">fusion</span><span class="special">::</span><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">pop_front</span><span class="special">&lt;</span> <span class="identifier">Seq</span> <span class="keyword">const</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> 
    <a class="link" href="pop_front.html#idp205414704-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Seq</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp371492544"></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::pop_front()</code> algorithm on its argument. This is
              useful for defining a <a class="link" href="../../../CallableTransform.html" title="Concept CallableTransform">CallableTransform</a> such as
              <code class="computeroutput">pop_front(_)</code>, which removes the first child from a Proto
              expression node. Such a transform might be used as the first argument to the
              <code class="computeroutput"><a class="link" href="../fold.html" title="Struct template fold">proto::fold&lt;&gt;</a></code>
              transform; that is, fold all but the first child.
            </p>
<div class="refsect2">
<a name="idp371498208"></a><h3>
<a name="idp205409536-bb"></a><code class="computeroutput">pop_front</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Seq<span class="special">&gt;</span> 
  <span class="keyword">typename</span> <span class="identifier">fusion</span><span class="special">::</span><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">pop_front</span><span class="special">&lt;</span> <span class="identifier">Seq</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> 
  <a name="idp205410096-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Seq</span> <span class="special">&amp;</span> seq<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Returns:</span></p></td>
<td><p><code class="computeroutput">fusion::pop_front(seq)</code></p></td>
</tr></tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Seq<span class="special">&gt;</span> 
  <span class="keyword">typename</span> <span class="identifier">fusion</span><span class="special">::</span><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">pop_front</span><span class="special">&lt;</span> <span class="identifier">Seq</span> <span class="keyword">const</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> 
  <a name="idp205414704-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Seq</span> <span class="keyword">const</span> <span class="special">&amp;</span> seq<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Returns:</span></p></td>
<td><p><code class="computeroutput">fusion::pop_front(seq)</code></p></td>
</tr></tbody>
</table></div>
</li>
</ol></div>
</div>
</div>
</div>
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<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 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>)
      </p>
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