forked from boostorg/fusion
updates functional module: only two unfused variants, now
[SVN r51381]
This commit is contained in:
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>map_tie</title>
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<link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css">
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<meta name="generator" content="DocBook XSL Stylesheets V1.66.1">
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<link rel="start" href="../../../../index.html" title="Chapter<65>1.<2E>Fusion 2.0">
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<link rel="up" href="../functions.html" title="Functions">
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<link rel="prev" href="vector_tie.html" title="vector_tie">
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@ -26,34 +26,32 @@
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<div class="titlepage"><div><div><h5 class="title">
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<a name="fusion.container.generation.functions.map_tie"></a><a href="map_tie.html" title="map_tie">map_tie</a></h5></div></div></div>
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<a name="fusion.container.generation.functions.map_tie.description"></a><h6>
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<a name="id547155"></a>
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<a name="id1102774"></a>
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<a href="map_tie.html#fusion.container.generation.functions.map_tie.description">Description</a>
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</h6>
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<p>
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Constructs a tie using a <a href="../../map.html" title="map"><tt class="computeroutput"><span class="identifier">map</span></tt></a> sequence.
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Constructs a tie using a <a href="../../map.html" title="map"><code class="computeroutput"><span class="identifier">map</span></code></a> sequence.
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</p>
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<a name="fusion.container.generation.functions.map_tie.synopsis"></a><h6>
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<a name="id547204"></a>
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<a name="id1102818"></a>
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<a href="map_tie.html#fusion.container.generation.functions.map_tie.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><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">></span>
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<a href="../../map.html" title="map"><tt class="computeroutput"><span class="identifier">map</span></tt></a><span class="special"><</span><a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">pair</span></tt></a><span class="special"><</span><span class="identifier">K0</span><span class="special">,</span> <span class="identifier">D0</span><span class="special">&>,</span> <a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">pair</span></tt></a><span class="special"><</span><span class="identifier">K1</span><span class="special">,</span> <span class="identifier">D1</span><span class="special">&>,...</span> <a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">pair</span></tt></a><span class="special"><</span><span class="identifier">KN</span><span class="special">,</span> <span class="identifier">DN</span><span class="special">&></span> <span class="special">></span>
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<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</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">></span>
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<a href="../../map.html" title="map"><code class="computeroutput"><span class="identifier">map</span></code></a><span class="special"><</span><a href="../../../support/pair.html" title="pair"><code class="computeroutput"><span class="identifier">pair</span></code></a><span class="special"><</span><span class="identifier">K0</span><span class="special">,</span> <span class="identifier">D0</span><span class="special">&>,</span> <a href="../../../support/pair.html" title="pair"><code class="computeroutput"><span class="identifier">pair</span></code></a><span class="special"><</span><span class="identifier">K1</span><span class="special">,</span> <span class="identifier">D1</span><span class="special">&>,...</span> <a href="../../../support/pair.html" title="pair"><code class="computeroutput"><span class="identifier">pair</span></code></a><span class="special"><</span><span class="identifier">KN</span><span class="special">,</span> <span class="identifier">DN</span><span class="special">&></span> <span class="special">></span>
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<span class="identifier">map_tie</span><span class="special">(</span><span class="identifier">D0</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">d1</span><span class="special">...</span> <span class="identifier">DN</span><span class="special">&</span> <span class="identifier">dN</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_MAP_SIZE</span></tt>
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elements, where <tt class="computeroutput"><span class="identifier">FUSION_MAX_MAP_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>, and a corresponding number of key types.
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You may define the preprocessor constant <tt class="computeroutput"><span class="identifier">FUSION_MAX_MAP_SIZE</span></tt>
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The variadic function accepts <code class="computeroutput"><span class="number">0</span></code>
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to <code class="computeroutput"><span class="identifier">FUSION_MAX_MAP_SIZE</span></code>
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elements, where <code class="computeroutput"><span class="identifier">FUSION_MAX_MAP_SIZE</span></code>
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is a user definable predefined maximum that defaults to <code class="computeroutput"><span class="number">10</span></code>, and a corresponding number of key types.
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You may define the preprocessor constant <code class="computeroutput"><span class="identifier">FUSION_MAX_MAP_SIZE</span></code>
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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_MAP_SIZE</span> <span class="number">20</span>
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<pre class="programlisting"><span class="preprocessor">#define</span> <span class="identifier">FUSION_MAX_MAP_SIZE</span> <span class="number">20</span>
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</pre>
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<a name="fusion.container.generation.functions.map_tie.parameters"></a><h6>
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<a name="id547674"></a>
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<a name="id1103233"></a>
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<a href="map_tie.html#fusion.container.generation.functions.map_tie.parameters">Parameters</a>
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</h6>
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<div class="informaltable"><table class="table">
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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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<code 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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<span class="identifier">KN</span></code>
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</p>
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</td>
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<td>
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</td>
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<td>
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<p>
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The key types associated with each of the <tt class="computeroutput"><span class="identifier">x1</span><span class="special">,</span><span class="identifier">x2</span><span class="special">,...,</span><span class="identifier">xN</span></tt>
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The key types associated with each of the <code class="computeroutput"><span class="identifier">x1</span><span class="special">,</span><span class="identifier">x2</span><span class="special">,...,</span><span class="identifier">xN</span></code>
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values
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</p>
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</td>
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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">x0</span><span class="special">,</span>
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<code class="computeroutput"><span class="identifier">x0</span><span class="special">,</span>
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<span class="identifier">x1</span><span class="special">,...</span>
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<span class="identifier">xN</span></tt>
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<span class="identifier">xN</span></code>
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</p>
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</td>
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<td>
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<p>
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Instances of <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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Instances of <code 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></code>
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</p>
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</td>
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<td>
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<p>
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The arguments to <tt class="computeroutput"><span class="identifier">map_tie</span></tt>
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The arguments to <code class="computeroutput"><span class="identifier">map_tie</span></code>
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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.functions.map_tie.expression_semantics"></a><h6>
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<a name="id547940"></a>
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<a name="id1103469"></a>
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<a href="map_tie.html#fusion.container.generation.functions.map_tie.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">map_tie</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">x0</span><span class="special">,</span> <span class="identifier">x1</span><span class="special">,...</span> <span class="identifier">xN</span><span class="special">);</span>
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<pre class="programlisting"><span class="identifier">map_tie</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">x0</span><span class="special">,</span> <span class="identifier">x1</span><span class="special">,...</span> <span class="identifier">xN</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="../../map.html" title="map"><tt class="computeroutput"><span class="identifier">map</span></tt></a><<a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">pair</span></tt></a><K0, D0&>, <a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">pair</span></tt></a><K1,
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D1&>,... <a href="../../../support/pair.html" title="pair"><tt class="computeroutput"><span class="identifier">pair</span></tt></a><KN,
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<span class="bold"><strong>Return type</strong></span>: <a href="../../map.html" title="map"><code class="computeroutput"><span class="identifier">map</span></code></a><<a href="../../../support/pair.html" title="pair"><code class="computeroutput"><span class="identifier">pair</span></code></a><K0, D0&>, <a href="../../../support/pair.html" title="pair"><code class="computeroutput"><span class="identifier">pair</span></code></a><K1,
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D1&>,... <a href="../../../support/pair.html" title="pair"><code class="computeroutput"><span class="identifier">pair</span></code></a><KN,
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DN&> >
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</p>
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<p>
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<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">x0</span><span class="special">,</span> <span class="identifier">x1</span><span class="special">,...</span> <span class="identifier">xN</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>
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<span class="bold"><strong>Semantics</strong></span>: Create a <a href="../../map.html" title="map"><code class="computeroutput"><span class="identifier">map</span></code></a> of references from <code class="computeroutput"><span class="identifier">x0</span><span class="special">,</span> <span class="identifier">x1</span><span class="special">,...</span> <span class="identifier">xN</span></code> with keys <code 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></code>
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</p>
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<a name="fusion.container.generation.functions.map_tie.header"></a><h6>
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<a name="id548225"></a>
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<a name="id1103719"></a>
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<a href="map_tie.html#fusion.container.generation.functions.map_tie.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">map_tie</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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<pre class="programlisting"><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">map_tie</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">map_tie</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.functions.map_tie.example"></a><h6>
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<a name="id548395"></a>
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<a name="id1103867"></a>
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<a href="map_tie.html#fusion.container.generation.functions.map_tie.example">Example</a>
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</h6>
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<pre class="programlisting">
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<span class="keyword">struct</span> <span class="identifier">int_key</span><span class="special">;</span>
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<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">int_key</span><span class="special">;</span>
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<span class="keyword">struct</span> <span class="identifier">double_key</span><span class="special">;</span>
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<span class="special">...</span>
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<span class="keyword">int</span> <span class="identifier">i</span> <span class="special">=</span> <span class="number">123</span><span class="special">;</span>
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