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<div><div><h5 class="title">
<a name="fusion.container.generation.metafunctions.map_tie"></a><a href="map_tie.html" title="map_tie">map_tie</a>
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<p>
Returns the result type of <a href="../functions/vector_tie.html" title="vector_tie"><tt class="computeroutput"><span class="identifier">map_tie</span></tt></a>.
</p>
<a name="fusion.container.generation.metafunctions.map_tie.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">K0</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">K1</span><span class="special">,...</span> <span class="keyword">typename</span> <span class="identifier">KN</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">D0</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">D1</span><span class="special">,...</span> <span class="keyword">typename</span> <span class="identifier">DN</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">map_tie</span><span class="special">;</span>
</pre>
<p>
The variadic function accepts <tt class="computeroutput"><span class="number">0</span></tt>
to <tt class="computeroutput"><span class="identifier">FUSION_MAX_MAP_SIZE</span></tt>
elements, where <tt class="computeroutput"><span class="identifier">FUSION_MAX_MAP_SIZE</span></tt>
is a user definable predefined maximum that defaults to <tt class="computeroutput"><span class="number">10</span></tt>. You may define the preprocessor constant
<tt class="computeroutput"><span class="identifier">FUSION_MAX_MAP_SIZE</span></tt> before
including any Fusion header to change the default. Example:
</p>
<pre class="programlisting"><span class="preprocessor">#define</span> <span class="identifier">FUSION_MAX_MAP_SIZE</span> <span class="number">20</span>
</pre>
<a name="fusion.container.generation.metafunctions.map_tie.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">K0</span><span class="special">,</span>
<span class="identifier">K1</span><span class="special">,...</span>
<span class="identifier">KN</span></tt>
</p></td>
<td><p>
Any type
</p></td>
<td><p>
The key types for <tt class="computeroutput"><span class="identifier">map_tie</span></tt>
</p></td>
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<tr>
<td><p>
<tt class="computeroutput"><span class="identifier">D0</span><span class="special">,</span>
<span class="identifier">D1</span><span class="special">,...</span>
<span class="identifier">DN</span></tt>
</p></td>
<td><p>
Any type
</p></td>
<td><p>
The arguments types for <tt class="computeroutput"><span class="identifier">map_tie</span></tt>
</p></td>
</tr>
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</table></div>
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Semantics</a>
</h6>
<pre class="programlisting"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">map_tie</span><span class="special">&lt;</span><span class="identifier">K0</span><span class="special">,</span> <span class="identifier">K1</span><span class="special">,...</span> <span class="identifier">KN</span><span class="special">,</span> <span class="identifier">D0</span><span class="special">,</span> <span class="identifier">D1</span><span class="special">,...</span> <span class="identifier">DN</span><span class="special">&gt;::</span><span class="identifier">type</span><span class="special">;</span>
</pre>
<p>
<span class="bold"><b>Return type</b></span>: <a href="../../map.html" title="map"><tt class="computeroutput"><span class="identifier">map</span></tt></a>&lt;<a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">pair</span></tt></a>&lt;K0, D0&amp;&gt;, <a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">pair</span></tt></a>&lt;K1,
D1&amp;&gt;,... <a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">pair</span></tt></a>&lt;KN,
DN&amp;&gt; &gt;
</p>
<p>
<span class="bold"><b>Semantics</b></span>: Create a <a href="../../map.html" title="map"><tt class="computeroutput"><span class="identifier">map</span></tt></a> of references from <tt class="computeroutput"><span class="identifier">D0</span><span class="special">,</span> <span class="identifier">D1</span><span class="special">,...</span> <span class="identifier">DN</span></tt> with keys <tt class="computeroutput"><span class="identifier">K0</span><span class="special">,</span> <span class="identifier">K1</span><span class="special">,...</span> <span class="identifier">KN</span></tt>
</p>
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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">map_tie</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">map_tie</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
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<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">int_key</span><span class="special">;</span>
<span class="keyword">struct</span> <span class="identifier">double_key</span><span class="special">;</span>
<span class="special">...</span>
<span class="identifier">result_of</span><span class="special">::</span><span class="identifier">map_tie</span><span class="special">&lt;</span><span class="identifier">int_key</span><span class="special">,</span> <span class="identifier">double_key</span><span class="special">,</span> <span class="keyword">int</span><span class="special">,</span> <span class="keyword">double</span><span class="special">&gt;::</span><span class="identifier">type</span>
</pre>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger<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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