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   5 <title>Struct template transform</title>
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  26 <div class="refentry">
  27 <a name="boost.proto.transform"></a><div class="titlepage"></div>
  28 <div class="refnamediv">
  29 <h2><span class="refentrytitle">Struct template transform</span></h2>
  30 <p>boost::proto::transform &#8212; Inherit from this to make your type a <a class="link" href="../../PrimitiveTransform.html" title="Concept PrimitiveTransform">PrimitiveTransform</a>.</p>
  31 </div>
  32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  33 <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.transform.impl_hpp" title="Header &lt;boost/proto/transform/impl.hpp&gt;">boost/proto/transform/impl.hpp</a>&gt;
  34
  35 </span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <a class="link" href="../../PrimitiveTransform.html" title="Concept PrimitiveTransform">PrimitiveTransform</a><span class="special">&gt;</span>
  36 <span class="keyword">struct</span> <a class="link" href="transform.html" title="Struct template transform">transform</a> <span class="special">{</span>
  37   <span class="comment">// types</span>
  38   <span class="keyword">typedef</span> <span class="identifier">PrimitiveTransform</span> <a name="boost.proto.transform.transform_type"></a><span class="identifier">transform_type</span><span class="special">;</span>
  39
  40   <span class="comment">// member classes/structs/unions</span>
  41   <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> <a class="link" href="../../Expr.html" title="Concept Expr">Expr</a><span class="special">&gt;</span>
  42   <span class="keyword">struct</span> <a class="link" href="transform/result_This_E_idp705301392.html" title="Struct template result&lt;This(Expr)&gt;">result</a><span class="special">&lt;</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">Expr</span><span class="special">)</span><span class="special">&gt;</span> <span class="special">{</span>
  43     <span class="comment">// types</span>
  44     <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span> <span class="identifier">Expr</span><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span> <a class="link" href="transform/result_This_E_idp705301392.html#boost.proto.transform.result_This(E_idp705301392.type"><span class="identifier">type</span></a><span class="special">;</span>
  45   <span class="special">}</span><span class="special">;</span>
  46   <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> <a class="link" href="../../Expr.html" title="Concept Expr">Expr</a><span class="special">,</span> <span class="keyword">typename</span> State<span class="special">&gt;</span>
  47   <span class="keyword">struct</span> <a class="link" href="transform/result_This_E_idp705306672.html" title="Struct template result&lt;This(Expr, State)&gt;">result</a><span class="special">&lt;</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">Expr</span><span class="special">,</span> <span class="identifier">State</span><span class="special">)</span><span class="special">&gt;</span> <span class="special">{</span>
  48     <span class="comment">// types</span>
  49     <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span> <span class="identifier">Expr</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span> <a class="link" href="transform/result_This_E_idp705306672.html#boost.proto.transform.result_This(E_idp705306672.type"><span class="identifier">type</span></a><span class="special">;</span>
  50   <span class="special">}</span><span class="special">;</span>
  51   <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> <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>
  52   <span class="keyword">struct</span> <a class="link" href="transform/result_This_E_idp705312080.html" title="Struct template result&lt;This(Expr, State, Data)&gt;">result</a><span class="special">&lt;</span><span class="identifier">This</span><span class="special">(</span><span class="identifier">Expr</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">Data</span><span class="special">)</span><span class="special">&gt;</span> <span class="special">{</span>
  53     <span class="comment">// types</span>
  54     <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span> <span class="identifier">Expr</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">Data</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span> <a class="link" href="transform/result_This_E_idp705312080.html#boost.proto.transform.result_This(E_idp705312080.type"><span class="identifier">type</span></a><span class="special">;</span>
  55   <span class="special">}</span><span class="special">;</span>
  56
  57   <span class="comment">// <a class="link" href="transform.html#idp705318784-bb">public member functions</a></span>
  58   <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">&gt;</span>
  59     <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
  60     <a class="link" href="transform.html#idp705319344-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  61   <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">&gt;</span>
  62     <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="special">&amp;</span><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
  63     <a class="link" href="transform.html#idp705326624-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  64   <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">&gt;</span>
  65     <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
  66     <a class="link" href="transform.html#idp705334320-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  67   <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>
  68     <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">Data</span> <span class="special">&amp;</span><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
  69     <a class="link" href="transform.html#idp705342016-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">Data</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  70   <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>
  71     <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">Data</span> <span class="special">&amp;</span><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
  72     <a class="link" href="transform.html#idp705350160-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">Data</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  73 <span class="special">}</span><span class="special">;</span></pre></div>
  74 <div class="refsect1">
  75 <a name="idp482771632"></a><h2>Description</h2>
  76 <div class="refsect2">
  77 <a name="idp482772048"></a><h3>
  78 <a name="idp705318784-bb"></a><code class="computeroutput">transform</code> public member functions</h3>
  79 <div class="orderedlist"><ol class="orderedlist" type="1">
  80 <li class="listitem">
  81 <pre class="literallayout"><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">&gt;</span>
  82   <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
  83   <a name="idp705319344-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span> expr<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
  84 <div class="variablelist"><table border="0" class="variablelist compact">
  85 <colgroup>
  86 <col align="left" valign="top">
  87 <col>
  88 </colgroup>
  89 <tbody><tr>
  90 <td><p><span class="term">Returns:</span></p></td>
  91 <td><code class="computeroutput">
  92                 typename PrimitiveTransform::template impl&lt;Expr &amp;, <em class="replaceable"><code>unspecified</code></em>, <em class="replaceable"><code>unspecified</code></em>&gt;()(expr, <em class="replaceable"><code>unspecified</code></em>, <em class="replaceable"><code>unspecified</code></em>)
  93               </code></td>
  94 </tr></tbody>
  95 </table></div>
  96 </li>
  97 <li class="listitem">
  98 <pre class="literallayout"><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">&gt;</span>
  99   <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="special">&amp;</span><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
 100   <a name="idp705326624-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span> expr<span class="special">,</span> <span class="identifier">State</span> <span class="special">&amp;</span> state<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
 101 <div class="variablelist"><table border="0" class="variablelist compact">
 102 <colgroup>
 103 <col align="left" valign="top">
 104 <col>
 105 </colgroup>
 106 <tbody><tr>
 107 <td><p><span class="term">Returns:</span></p></td>
 108 <td><code class="computeroutput">
 109                 typename PrimitiveTransform::template impl&lt;Expr &amp;, State &amp;, <em class="replaceable"><code>unspecified</code></em>&gt;()(expr, state, <em class="replaceable"><code>unspecified</code></em>)
 110               </code></td>
 111 </tr></tbody>
 112 </table></div>
 113 </li>
 114 <li class="listitem">
 115 <pre class="literallayout"><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">&gt;</span>
 116   <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <em class="replaceable"><code><span class="identifier">unspecified</span></code></em><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
 117   <a name="idp705334320-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span> expr<span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span> <span class="special">&amp;</span> state<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
 118 <div class="variablelist"><table border="0" class="variablelist compact">
 119 <colgroup>
 120 <col align="left" valign="top">
 121 <col>
 122 </colgroup>
 123 <tbody><tr>
 124 <td><p><span class="term">Returns:</span></p></td>
 125 <td><code class="computeroutput">
 126                 typename PrimitiveTransform::template impl&lt;Expr &amp;, State const &amp;, <em class="replaceable"><code>unspecified</code></em>&gt;()(expr, state, <em class="replaceable"><code>unspecified</code></em>)
 127               </code></td>
 128 </tr></tbody>
 129 </table></div>
 130 </li>
 131 <li class="listitem">
 132 <pre class="literallayout"><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>
 133   <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">Data</span> <span class="special">&amp;</span><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
 134   <a name="idp705342016-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span> expr<span class="special">,</span> <span class="identifier">State</span> <span class="special">&amp;</span> state<span class="special">,</span> <span class="identifier">Data</span> <span class="special">&amp;</span> data<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
 135 <div class="variablelist"><table border="0" class="variablelist compact">
 136 <colgroup>
 137 <col align="left" valign="top">
 138 <col>
 139 </colgroup>
 140 <tbody><tr>
 141 <td><p><span class="term">Returns:</span></p></td>
 142 <td><code class="computeroutput">
 143                 typename PrimitiveTransform::template impl&lt;Expr &amp;, State &amp;, Data &amp;&gt;()(expr, state, data)
 144               </code></td>
 145 </tr></tbody>
 146 </table></div>
 147 </li>
 148 <li class="listitem">
 149 <pre class="literallayout"><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>
 150   <span class="keyword">typename</span> <span class="identifier">PrimitiveTransform</span><span class="special">::</span><span class="keyword">template</span> <span class="identifier">impl</span><span class="special">&lt;</span><span class="identifier">Expr</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">Data</span> <span class="special">&amp;</span><span class="special">&gt;</span><span class="special">::</span><span class="identifier">result_type</span>
 151   <a name="idp705350160-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Expr</span> <span class="special">&amp;</span> expr<span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span> <span class="special">&amp;</span> state<span class="special">,</span> <span class="identifier">Data</span> <span class="special">&amp;</span> data<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
 152 <div class="variablelist"><table border="0" class="variablelist compact">
 153 <colgroup>
 154 <col align="left" valign="top">
 155 <col>
 156 </colgroup>
 157 <tbody><tr>
 158 <td><p><span class="term">Returns:</span></p></td>
 159 <td><code class="computeroutput">
 160                 typename PrimitiveTransform::template impl&lt;Expr &amp;, State const &amp;, Data &amp;&gt;()(expr, state, data)
 161               </code></td>
 162 </tr></tbody>
 163 </table></div>
 164 </li>
 165 </ol></div>
 166 </div>
 167 </div>
 168 </div>
 169 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 170 <td align="left"></td>
 171 <td align="right"><div class="copyright-footer">Copyright &#169; 2008 Eric Niebler<p>
 172         Distributed under the Boost Software License, Version 1.0. (See accompanying
 173         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>)
 174       </p>
 175 </div></td>
 176 </tr></table>
 177 <hr>
 178 <div class="spirit-nav">
 179 <a accesskey="p" href="reverse_fold_tree/impl.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../proto/reference.html#header.boost.proto.transform.impl_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="transform/result_This_E_idp705301392.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a>
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