boost_fusion/doc/html/fusion/container/generation/metafunctions/make_cons.html

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<div><div><h5 class="title">
<a name="fusion.container.generation.metafunctions.make_cons"></a><a href="make_cons.html" title="make_cons">make_cons</a>
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<a name="fusion.container.generation.metafunctions.make_cons.description"></a><h6>
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<p>
            Returns the result type of <a href="../functions/make_cons.html" title="make_cons"><tt class="computeroutput"><span class="identifier">make_cons</span></tt></a>.
          </p>
<a name="fusion.container.generation.metafunctions.make_cons.synopsis"></a><h6>
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<pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Car</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Cdr</span> <span class="special">=</span> <span class="identifier">nil</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">make_cons</span><span class="special">;</span>
</pre>
<a name="fusion.container.generation.metafunctions.make_cons.parameters"></a><h6>
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<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th><p>
                    Parameter
                  </p></th>
<th><p>
                    Requirement
                  </p></th>
<th><p>
                    Description
                  </p></th>
</tr></thead>
<tbody>
<tr>
<td><p>
                    <tt class="computeroutput"><span class="identifier">Car</span></tt>
                  </p></td>
<td><p>
                    Any type
                  </p></td>
<td><p>
                    The list's head type
                  </p></td>
</tr>
<tr>
<td><p>
                    <tt class="computeroutput"><span class="identifier">Cdr</span></tt>
                  </p></td>
<td><p>
                    A <tt class="computeroutput"><span class="identifier">cons</span></tt>
                  </p></td>
<td><p>
                    The list's tail type (optional)
                  </p></td>
</tr>
</tbody>
</table></div>
<a name="fusion.container.generation.metafunctions.make_cons.expression_semantics"></a><h6>
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            Semantics</a>
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<pre class="programlisting"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">make_cons</span><span class="special">&lt;</span><span class="identifier">Car</span><span class="special">,</span> <span class="identifier">Cdr</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
<p>
            <span class="bold"><b>Return type</b></span>: A <a href="../../cons.html" title="cons"><tt class="computeroutput"><span class="identifier">cons</span></tt></a> with head element, <tt class="computeroutput"><span class="identifier">Car</span></tt>, of type converted following the
            rules for <a href="../../../notes.html#fusion.notes.element_conversion"><span class="emphasis"><em>element
            conversion</em></span></a>, and tail, <tt class="computeroutput"><span class="identifier">Cdr</span></tt>.
          </p>
<p>
            <span class="bold"><b>Semantics</b></span>: Create a <a href="../../cons.html" title="cons"><tt class="computeroutput"><span class="identifier">cons</span></tt></a> from <tt class="computeroutput"><span class="identifier">Car</span></tt>
            (<span class="emphasis"><em>head</em></span>) and optional <tt class="computeroutput"><span class="identifier">Cdr</span></tt>
            (<span class="emphasis"><em>tail</em></span>).
          </p>
<a name="fusion.container.generation.metafunctions.make_cons.header"></a><h6>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">container</span><span class="special">/</span><span class="identifier">generation</span><span class="special">/</span><span class="identifier">make_cons</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">make_cons</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
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<a name="fusion.container.generation.metafunctions.make_cons.example"></a><h6>
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<pre class="programlisting"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">make_cons</span><span class="special">&lt;</span><span class="keyword">char</span><span class="special">,</span> <span class="identifier">result_of</span><span class="special">::</span><span class="identifier">make_cons</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;::</span><span class="identifier">type</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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        Distributed under the Boost Software License, Version 1.0. (See accompanying
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