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<div class="titlepage"><div><div><h4 class="title">
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<a name="fusion.extension.macros.adapt_struct"></a><a href="adapt_struct.html" title=" BOOST_FUSION_ADAPT_STRUCT"> BOOST_FUSION_ADAPT_STRUCT</a></h4></div></div></div>
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<a name="fusion.extension.macros.adapt_struct.description"></a><h5>
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<a name="id649650"></a>
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<a href="adapt_struct.html#fusion.extension.macros.adapt_struct.description">Description</a>
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<p>
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BOOST_FUSION_ADAPT_STRUCT is a macro that can be used to generate all the
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necessary boilerplate to make an arbitrary struct into a <a href="../../sequence/concepts/random_access_sequence.html" title="Random
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Access Sequence">Random
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Access Sequence</a>.
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</p>
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<a name="fusion.extension.macros.adapt_struct.synopsis"></a><h5>
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<a name="id649692"></a>
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<a href="adapt_struct.html#fusion.extension.macros.adapt_struct.synopsis">Synopsis</a>
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</h5>
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<pre class="programlisting">
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<span class="identifier">BOOST_FUSION_ADAPT_STRUCT</span><span class="special">(</span>
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<span class="identifier">struct_name</span>
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<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">)</span>
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<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">)</span>
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<span class="special">...</span>
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<span class="special">)</span>
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</pre>
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<a name="fusion.extension.macros.adapt_struct.semantics"></a><h5>
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<a name="id649812"></a>
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<a href="adapt_struct.html#fusion.extension.macros.adapt_struct.semantics">Semantics</a>
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</h5>
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<pre class="programlisting">
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<span class="identifier">BOOST_FUSION_ADAPT_STRUCT</span><span class="special">(</span>
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<span class="identifier">struct_name</span><span class="special">,</span>
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<span class="special">(</span><span class="identifier">member_type0</span><span class="special">,</span> <span class="identifier">member_name0</span><span class="special">)</span>
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<span class="special">(</span><span class="identifier">member_type1</span><span class="special">,</span> <span class="identifier">member_name1</span><span class="special">)</span>
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<span class="special">...</span>
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<span class="special">)</span>
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</pre>
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<p>
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The above macro generates the necessary code to adapt <tt class="computeroutput"><span class="identifier">struct_name</span></tt>
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as a model of <a href="../../sequence/concepts/random_access_sequence.html" title="Random
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Access Sequence">Random
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Access Sequence</a>. The sequence of <tt class="computeroutput"><span class="special">(</span><span class="identifier">member_typeN</span><span class="special">,</span>
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<span class="identifier">member_nameN</span><span class="special">)</span></tt>
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pairs declare the type and names of each of the struct members that will
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be part of the sequence.
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</p>
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<p>
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The macro should be used at global scope, and <tt class="computeroutput"><span class="identifier">struct_name</span></tt>
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should be the fully namespace qualified name of the struct to be converted.
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</p>
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<p>
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/adapted/struct/adapt_struct.hpp>
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</p>
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<a name="fusion.extension.macros.adapt_struct.example"></a><h5>
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<a name="id650020"></a>
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<a href="adapt_struct.html#fusion.extension.macros.adapt_struct.example">Example</a>
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</h5>
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<pre class="programlisting">
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<span class="keyword">namespace</span> <span class="identifier">demo</span>
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<span class="special">{</span>
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<span class="keyword">struct</span> <span class="identifier">employee</span>
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<span class="special">{</span>
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">name</span><span class="special">;</span>
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<span class="keyword">int</span> <span class="identifier">age</span><span class="special">;</span>
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<span class="special">};</span>
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<span class="special">}</span>
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<span class="comment">// demo::employee is now a Fusion sequence
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</span><span class="identifier">BOOST_FUSION_ADAPT_STRUCT</span><span class="special">(</span>
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<span class="identifier">demo</span><span class="special">::</span><span class="identifier">employee</span>
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<span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">,</span> <span class="identifier">name</span><span class="special">)</span>
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<span class="special">(</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">age</span><span class="special">))</span>
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</pre>
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<td align="right"><small>Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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Schwinger</small></td>
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