forked from boostorg/fusion
Fusion: added nview and friends, docs and tests
[SVN r56377]
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Hartmut Kaiser
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>deduce</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 V1.65.1">
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.0">
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<link rel="home" href="../../index.html" title="Chapter<65>1.<2E>Fusion 2.0">
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<link rel="up" href="../support.html" title="Support">
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<link rel="previous" href="category_of.html" title="category_of">
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<link rel="prev" href="category_of.html" title="category_of">
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<link rel="next" href="deduce_sequence.html" title="deduce_sequence">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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<div class="spirit-nav">
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<a accesskey="p" href="category_of.html"><img src="../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../support.html"><img src="../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="deduce_sequence.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
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</div>
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<div class="section" lang="en">
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<div class="titlepage">
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<div><div><h3 class="title">
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<a name="fusion.support.deduce"></a><a href="deduce.html" title="deduce">deduce</a>
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</h3></div></div>
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<div></div>
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</div>
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<a name="fusion.support.deduce.description"></a><h4>
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<a name="id416417"></a>
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<a href="deduce.html#fusion.support.deduce.description">Description</a>
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</h4>
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<div class="section" title="deduce">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="fusion.support.deduce"></a><a class="link" href="deduce.html" title="deduce">deduce</a>
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</h3></div></div></div>
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<a name="fusion.support.deduce.description"></a><h5>
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<a name="id565244"></a>
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<a class="link" href="deduce.html#fusion.support.deduce.description">Description</a>
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</h5>
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<p>
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Metafunction to apply <a href="../notes.html#fusion.notes.element_conversion"><span class="emphasis"><em>element
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Metafunction to apply <a class="link" href="../notes.html#fusion.notes.element_conversion"><span class="emphasis"><em>element
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conversion</em></span></a> to the full argument type.
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</p>
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<p>
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It removes references to <tt class="computeroutput"><span class="keyword">const</span></tt>,
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references to array types are kept, even if the array is <tt class="computeroutput"><span class="keyword">const</span></tt>.
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Reference wrappers are removed (see <a href="../notes.html#fusion.notes.boost__ref"><tt class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">ref</span></tt></a>).
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It removes references to <code class="computeroutput"><span class="keyword">const</span></code>,
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references to array types are kept, even if the array is <code class="computeroutput"><span class="keyword">const</span></code>.
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Reference wrappers are removed (see <a class="link" href="../notes.html#fusion.notes.boost__ref"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">ref</span></code></a>).
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</p>
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<a name="fusion.support.deduce.header"></a><h4>
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<a name="id416515"></a>
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<a href="deduce.html#fusion.support.deduce.header">Header</a>
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</h4>
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<a name="fusion.support.deduce.header"></a><h5>
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<a name="id565302"></a>
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<a class="link" href="deduce.html#fusion.support.deduce.header">Header</a>
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</h5>
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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">support</span><span class="special">/</span><span class="identifier">deduce</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">deduce</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.support.deduce.synopsis"></a><h4>
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<a name="id416669"></a>
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<a href="deduce.html#fusion.support.deduce.synopsis">Synopsis</a>
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</h4>
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<a name="fusion.support.deduce.synopsis"></a><h5>
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<a name="id565410"></a>
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<a class="link" href="deduce.html#fusion.support.deduce.synopsis">Synopsis</a>
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</h5>
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<pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">traits</span>
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<span class="special">{</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">T</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.support.deduce.example"></a><h4>
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<a name="id416798"></a>
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<a href="deduce.html#fusion.support.deduce.example">Example</a>
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</h4>
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<a name="fusion.support.deduce.example"></a><h5>
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<a name="id565503"></a>
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<a class="link" href="deduce.html#fusion.support.deduce.example">Example</a>
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</h5>
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<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span>
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<span class="keyword">struct</span> <span class="identifier">holder</span>
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<span class="special">{</span>
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<span class="keyword">return</span> <span class="identifier">holder</span><span class="special"><</span><span class="identifier">T</span><span class="special">>(</span><span class="identifier">a</span><span class="special">);</span>
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<span class="special">}</span>
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</pre>
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<a name="fusion.support.deduce.see_also"></a><h4>
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<a name="id417162"></a>
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<a href="deduce.html#fusion.support.deduce.see_also">See also</a>
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</h4>
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<div class="itemizedlist"><ul type="disc"><li><a href="deduce_sequence.html" title="deduce_sequence"><tt class="computeroutput"><span class="identifier">deduce_sequence</span></tt></a></li></ul></div>
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<a name="fusion.support.deduce.see_also"></a><h5>
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<a name="id565771"></a>
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<a class="link" href="deduce.html#fusion.support.deduce.see_also">See also</a>
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</h5>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><a class="link" href="deduce_sequence.html" title="deduce_sequence"><code class="computeroutput"><span class="identifier">deduce_sequence</span></code></a></li></ul></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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