forked from boostorg/fusion
merge from trunk
[SVN r56179]
This commit is contained in:
Joel de Guzman
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@ -23,10 +23,14 @@
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<a accesskey="p" href="deduce_sequence.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="../iterator.html"><img src="../../../../../../doc/html/images/next.png" alt="Next"></a>
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<div class="section" lang="en">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="fusion.support.pair"></a><a href="pair.html" title="pair">pair</a></h3></div></div></div>
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<div class="titlepage">
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<div><div><h3 class="title">
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<a name="fusion.support.pair"></a><a href="pair.html" title="pair">pair</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.pair.description"></a><h4>
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<a name="id466201"></a>
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<a name="id418194"></a>
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<a href="pair.html#fusion.support.pair.description">Description</a>
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</h4>
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<p>
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@ -37,11 +41,10 @@
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for example.
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</p>
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<a name="fusion.support.pair.synopsis"></a><h4>
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<a name="id466305"></a>
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<a name="id418297"></a>
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<a href="pair.html#fusion.support.pair.synopsis">Synopsis</a>
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</h4>
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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">First</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Second</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">First</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Second</span><span class="special">></span>
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<span class="keyword">struct</span> <span class="identifier">pair</span><span class="special">;</span>
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<span class="keyword">namespace</span> <span class="identifier">result_of</span>
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@ -61,7 +64,7 @@
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<span class="identifier">make_pair</span><span class="special">(</span><span class="identifier">Second</span> <span class="keyword">const</span> <span class="special">&);</span>
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</pre>
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<a name="fusion.support.pair.template_parameters"></a><h4>
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<a name="id466713"></a>
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<a name="id418702"></a>
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<a href="pair.html#fusion.support.pair.template_parameters">Template parameters</a>
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</h4>
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<div class="informaltable"><table class="table">
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@ -70,41 +73,29 @@
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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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<th><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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</p></th>
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<th><p>
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Description
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</p>
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</th>
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</p></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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<td><p>
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First
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</p>
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</td>
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<td>
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<p>
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</p></td>
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<td><p>
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The first type. This is purely a type. No data is held.
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</p>
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</td>
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</p></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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<td><p>
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Second
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</p>
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</td>
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<td>
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<p>
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</p></td>
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<td><p>
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The second type. This contains data.
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</p>
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</td>
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</p></td>
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</tr>
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</tbody>
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</table></div>
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@ -140,7 +131,7 @@
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</dl>
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</div>
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<a name="fusion.support.pair.expression_semantics"></a><h4>
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<a name="id466993"></a>
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<a name="id418982"></a>
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<a href="pair.html#fusion.support.pair.expression_semantics">Expression Semantics</a>
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</h4>
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<div class="informaltable"><table class="table">
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@ -149,190 +140,136 @@
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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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<th><p>
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Expression
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</p>
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</th>
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<th>
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<p>
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</p></th>
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<th><p>
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Semantics
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</p>
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</th>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">P</span><span class="special">::</span><span class="identifier">first_type</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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</p></td>
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<td><p>
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The type of the first template parameter, <tt class="computeroutput"><span class="identifier">F</span></tt>,
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equivalent to <tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">first</span><span class="special"><</span><span class="identifier">P</span><span class="special">>::</span><span class="identifier">type</span></tt>.
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">P</span><span class="special">::</span><span class="identifier">second_type</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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</p></td>
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<td><p>
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The type of the second template parameter, <tt class="computeroutput"><span class="identifier">S</span></tt>,
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equivalent to <tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">second</span><span class="special"><</span><span class="identifier">P</span><span class="special">>::</span><span class="identifier">type</span></tt>.
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">P</span><span class="special">()</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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</p></td>
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<td><p>
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Default construction.
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">P</span><span class="special">(</span><span class="identifier">s</span><span class="special">)</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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</p></td>
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<td><p>
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Construct a pair given value for the second type, <tt class="computeroutput"><span class="identifier">s</span></tt>.
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">P</span><span class="special">(</span><span class="identifier">p2</span><span class="special">)</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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</p></td>
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<td><p>
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Copy constructs a pair from another pair, <tt class="computeroutput"><span class="identifier">p2</span></tt>.
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">p</span><span class="special">.</span><span class="identifier">second</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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</p></td>
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<td><p>
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Get the data from <tt class="computeroutput"><span class="identifier">p1</span></tt>.
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">p</span> <span class="special">=</span>
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<span class="identifier">p2</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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</p></td>
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<td><p>
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Assigns a pair, <tt class="computeroutput"><span class="identifier">p1</span></tt>,
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from another pair, <tt class="computeroutput"><span class="identifier">p2</span></tt>.
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</p>
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</td>
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</p></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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<td><p>
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make_pair<F>(s)
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</p>
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</td>
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<td>
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<p>
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</p></td>
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<td><p>
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Make a pair given the first type, <tt class="computeroutput"><span class="identifier">F</span></tt>,
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and a value for the second type, <tt class="computeroutput"><span class="identifier">s</span></tt>.
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The second type assumes the type of <tt class="computeroutput"><span class="identifier">s</span></tt>
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">o</span> <span class="special"><<</span>
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<span class="identifier">p</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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</p></td>
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<td><p>
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Output <tt class="computeroutput"><span class="identifier">p</span></tt> to output
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stream, <tt class="computeroutput"><span class="identifier">o</span></tt>.
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">i</span> <span class="special">>></span>
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<span class="identifier">p</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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</p></td>
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<td><p>
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Input <tt class="computeroutput"><span class="identifier">p</span></tt> from input
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stream, <tt class="computeroutput"><span class="identifier">i</span></tt>.
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">p</span> <span class="special">==</span>
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<span class="identifier">p2</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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</p></td>
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<td><p>
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Tests two pairs for equality.
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</p>
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</td>
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</p></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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<td><p>
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<tt class="computeroutput"><span class="identifier">p</span> <span class="special">!=</span>
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<span class="identifier">p2</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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</p></td>
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<td><p>
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Tests two pairs for inequality.
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</p>
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</td>
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</p></td>
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</tr>
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</tbody>
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</table></div>
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<a name="fusion.support.pair.header"></a><h4>
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<a name="id467770"></a>
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<a name="id419758"></a>
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<a href="pair.html#fusion.support.pair.header">Header</a>
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</h4>
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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">support</span><span class="special">/</span><span class="identifier">pair</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">support</span><span class="special">/</span><span class="identifier">pair</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">pair</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.pair.example"></a><h4>
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||||
<a name="id467926"></a>
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<a name="id419912"></a>
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<a href="pair.html#fusion.support.pair.example">Example</a>
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</h4>
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<pre class="programlisting">
|
||||
<span class="identifier">pair</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">char</span><span class="special">></span> <span class="identifier">p</span><span class="special">(</span><span class="char">'X'</span><span class="special">);</span>
|
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<pre class="programlisting"><span class="identifier">pair</span><span class="special"><</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">char</span><span class="special">></span> <span class="identifier">p</span><span class="special">(</span><span class="char">'X'</span><span class="special">);</span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">p</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
|
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">make_pair</span><span class="special"><</span><span class="keyword">int</span><span class="special">>(</span><span class="char">'X'</span><span class="special">)</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
|
||||
<span class="identifier">assert</span><span class="special">((</span><span class="identifier">p</span> <span class="special">==</span> <span class="identifier">make_pair</span><span class="special"><</span><span class="keyword">int</span><span class="special">>(</span><span class="char">'X'</span><span class="special">)));</span>
|
||||
|
||||
Reference in New Issue
Block a user