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<link rel="start" href="../../../../index.html" title="Chapter 1. Fusion 2.0">
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<link rel="up" href="../metafunctions.html" title="MetaFunctions">
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<link rel="prev" href="make_set.html" title="make_set">
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<div class="section" lang="en">
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<div class="titlepage"><div><div><h5 class="title">
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<a name="fusion.container.generation.metafunctions.make_map"></a><a href="make_map.html" title="make_map">make_map</a></h5></div></div></div>
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<a name="fusion.container.generation.metafunctions.make_map.description"></a><h6>
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<a name="id552168"></a>
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<a href="make_map.html#fusion.container.generation.metafunctions.make_map.description">Description</a>
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</h6>
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<p>
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Returns the result type of <a href="../functions/make_map.html" title="make_map"><tt class="computeroutput"><span class="identifier">make_map</span></tt></a>.
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</p>
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<a name="fusion.container.generation.metafunctions.make_map.synopsis"></a><h6>
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<a name="id552218"></a>
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<a href="make_map.html#fusion.container.generation.metafunctions.make_map.synopsis">Synopsis</a>
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</h6>
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<pre class="programlisting">
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<span class="keyword">template</span> <span class="special"><</span>
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<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>
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<span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">T0</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">T1</span><span class="special">,...</span> <span class="keyword">typename</span> <span class="identifier">TN</span><span class="special">></span>
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<span class="keyword">struct</span> <span class="identifier">make_map</span><span class="special">;</span>
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</pre>
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<p>
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The variadic function accepts <tt class="computeroutput"><span class="number">0</span></tt>
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to <tt class="computeroutput"><span class="identifier">FUSION_MAX_VECTOR_SIZE</span></tt>
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<sup>[<a name="id552407" href="#ftn.id552407">13</a>]</sup>
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elements, where <tt class="computeroutput"><span class="identifier">FUSION_MAX_VECTOR_SIZE</span></tt>
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is a user definable predefined maximum that defaults to <tt class="computeroutput"><span class="number">10</span></tt>. You may define the preprocessor constant
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<tt class="computeroutput"><span class="identifier">FUSION_MAX_VECTOR_SIZE</span></tt>
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before including any Fusion header to change the default. Example:
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</p>
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<pre class="programlisting">
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<span class="preprocessor">#define</span> <span class="identifier">FUSION_MAX_VECTOR_SIZE</span> <span class="number">20</span>
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</pre>
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<a name="fusion.container.generation.metafunctions.make_map.parameters"></a><h6>
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<a name="id552514"></a>
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<a href="make_map.html#fusion.container.generation.metafunctions.make_map.parameters">Parameters</a>
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</h6>
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<div class="informaltable"><table class="table">
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<colgroup>
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<col>
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<col>
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<col>
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</colgroup>
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<thead><tr>
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<th>
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<p>
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Parameter
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</p>
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</th>
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<th>
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<p>
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Requirement
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</p>
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</th>
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<th>
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<p>
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Description
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</p>
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</th>
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</tr></thead>
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<tbody>
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<tr>
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<td>
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<p>
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<tt class="computeroutput"><span class="identifier">K0</span><span class="special">,</span>
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<span class="identifier">K1</span><span class="special">,...</span>
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<span class="identifier">KN</span></tt>
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</p>
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</td>
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<td>
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<p>
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Any type
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</p>
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</td>
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<td>
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<p>
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Keys associated with <tt class="computeroutput"><span class="identifier">T0</span><span class="special">,</span> <span class="identifier">T1</span><span class="special">,...</span> <span class="identifier">TN</span></tt>
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<tt class="computeroutput"><span class="identifier">T0</span><span class="special">,</span>
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<span class="identifier">T1</span><span class="special">,...</span>
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<span class="identifier">TN</span></tt>
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</p>
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</td>
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<td>
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<p>
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Any type
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</p>
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</td>
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<td>
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<p>
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Data associated 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>
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</p>
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</td>
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</tr>
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</tbody>
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</table></div>
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<a name="fusion.container.generation.metafunctions.make_map.expression_semantics"></a><h6>
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<a name="id552770"></a>
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<a href="make_map.html#fusion.container.generation.metafunctions.make_map.expression_semantics">Expression
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Semantics</a>
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</h6>
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<pre class="programlisting">
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<span class="identifier">resulf_of</span><span class="special">::</span><span class="identifier">make_map</span><span class="special"><</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">T0</span><span class="special">,</span> <span class="identifier">T1</span><span class="special">,...</span> <span class="identifier">TN</span><span class="special">>::</span><span class="identifier">type</span><span class="special">;</span>
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</pre>
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<p>
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<span class="bold"><b>Return type</b></span>: <a href="make_map.html" title="make_map"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">make_map</span></tt></a><tt class="computeroutput"><span class="special"><</span><span class="identifier">K0</span><span class="special">,</span> <span class="identifier">K0</span><span class="special">,...</span> <span class="identifier">KN</span><span class="special">,</span> <span class="identifier">T0</span><span class="special">,</span> <span class="identifier">T1</span><span class="special">,...</span> <span class="identifier">TN</span><span class="special">>::</span><span class="identifier">type</span></tt>
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</p>
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<p>
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<span class="bold"><b>Semantics</b></span>: A <a href="../../map.html" title="map"><tt class="computeroutput"><span class="identifier">map</span></tt></a> with <a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">pair</span></tt></a> elements where the <tt class="computeroutput"><span class="identifier">second_type</span></tt> is converted following
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the rules for <a href="../../../notes.html#fusion.notes.element_conversion"><span class="emphasis"><em>element
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conversion</em></span></a>.
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</p>
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<p>
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<span class="bold"><b>Precondition</b></span>: There may be no duplicate
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key types.
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</p>
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<a name="fusion.container.generation.metafunctions.make_map.header"></a><h6>
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<a name="id553110"></a>
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<a href="make_map.html#fusion.container.generation.metafunctions.make_map.header">Header</a>
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</h6>
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<pre class="programlisting">
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<span class="preprocessor">#include</span> <span class="special"><</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_map</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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<span class="preprocessor">#include</span> <span class="special"><</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_map</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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</pre>
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<a name="fusion.container.generation.metafunctions.make_map.example"></a><h6>
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<a name="id553281"></a>
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<a href="make_map.html#fusion.container.generation.metafunctions.make_map.example">Example</a>
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</h6>
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<pre class="programlisting">
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<span class="identifier">result_of</span><span class="special">::</span><span class="identifier">make_map</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">double</span><span class="special">,</span> <span class="keyword">char</span><span class="special">,</span> <span class="keyword">double</span><span class="special">>::</span><span class="identifier">type</span>
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</pre>
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<a name="fusion.container.generation.metafunctions.make_map.see_also"></a><h6>
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<a name="id553386"></a>
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<a href="make_map.html#fusion.container.generation.metafunctions.make_map.see_also">See
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also</a>
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</h6>
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<p>
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<a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">fusion</span><span class="special">::</span><span class="identifier">pair</span></tt></a>
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</p>
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<div class="footnotes">
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<br><hr width="100" align="left">
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<div class="footnote"><p><sup>[<a name="ftn.id552407" href="#id552407">13</a>] </sup>
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<tt class="computeroutput"><span class="identifier">map</span></tt> is implemented
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in terms of the vector. That is why we reuse <tt class="computeroutput"><span class="identifier">FUSION_MAX_VECTOR_SIZE</span></tt>
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</p></div>
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</div>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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Schwinger<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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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>)
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</p>
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</div></td>
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