forked from boostorg/fusion
updates functional module: only two unfused variants, now
[SVN r51381]
This commit is contained in:
Tobias Schwinger
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>swap</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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<meta name="generator" content="DocBook XSL Stylesheets V1.68.1">
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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="at_key.html" title="at_key">
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<div class="titlepage"><div><div><h5 class="title">
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<a name="fusion.sequence.intrinsic.functions.swap"></a><a href="swap.html" title="swap">swap</a></h5></div></div></div>
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<a name="fusion.sequence.intrinsic.functions.swap.description"></a><h6>
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<a name="id507705"></a>
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<a name="id1033101"></a>
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<a href="swap.html#fusion.sequence.intrinsic.functions.swap.description">Description</a>
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</h6>
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<p>
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Performs an element by element swap of the elements in 2 sequences.
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</p>
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<a name="fusion.sequence.intrinsic.functions.swap.synopsis"></a><h6>
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<a name="id1033129"></a>
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<a href="swap.html#fusion.sequence.intrinsic.functions.swap.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">Seq1</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Seq2</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">Seq1</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Seq2</span><span class="special">></span>
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<span class="keyword">void</span> <span class="identifier">swap</span><span class="special">(</span><span class="identifier">Seq1</span><span class="special">&</span> <span class="identifier">seq1</span><span class="special">,</span> <span class="identifier">Seq2</span><span class="special">&</span> <span class="identifier">seq2</span><span class="special">);</span>
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</pre>
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<a name="fusion.sequence.intrinsic.functions.swap.parameters"></a><h6>
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<a name="id507878"></a>
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<a name="id1033254"></a>
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<a href="swap.html#fusion.sequence.intrinsic.functions.swap.parameters">Parameters</a>
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</h6>
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<div class="informaltable"><table class="table">
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<tbody><tr>
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<td>
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<p>
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<tt class="computeroutput"><span class="identifier">seq1</span></tt>, <tt class="computeroutput"><span class="identifier">seq2</span></tt>
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<code class="computeroutput"><span class="identifier">seq1</span></code>, <code class="computeroutput"><span class="identifier">seq2</span></code>
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</p>
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</td>
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<td>
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</tr></tbody>
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</table></div>
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<a name="fusion.sequence.intrinsic.functions.swap.expression_semantics"></a><h6>
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<a name="id508005"></a>
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<a name="id1033369"></a>
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<a href="swap.html#fusion.sequence.intrinsic.functions.swap.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">swap</span><span class="special">(</span><span class="identifier">seq1</span><span class="special">,</span> <span class="identifier">seq2</span><span class="special">);</span>
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<pre class="programlisting"><span class="identifier">swap</span><span class="special">(</span><span class="identifier">seq1</span><span class="special">,</span> <span class="identifier">seq2</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>: <tt class="computeroutput"><span class="keyword">void</span></tt>
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<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">void</span></code>
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</p>
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<p>
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<span class="bold"><b>Precondition</b></span>: <tt class="computeroutput"><a href="size.html" title="size"><tt class="computeroutput"><span class="identifier">size</span></tt></a><span class="special">(</span><span class="identifier">seq1</span><span class="special">)</span> <span class="special">==</span> <a href="size.html" title="size"><tt class="computeroutput"><span class="identifier">size</span></tt></a><span class="special">(</span><span class="identifier">seq2</span><span class="special">)</span></tt>
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<span class="bold"><strong>Precondition</strong></span>: <code class="computeroutput"><a href="size.html" title="size"><code class="computeroutput"><span class="identifier">size</span></code></a><span class="special">(</span><span class="identifier">seq1</span><span class="special">)</span> <span class="special">==</span> <a href="size.html" title="size"><code class="computeroutput"><span class="identifier">size</span></code></a><span class="special">(</span><span class="identifier">seq2</span><span class="special">)</span></code>
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</p>
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<p>
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<span class="bold"><b>Semantics</b></span>: Calls <tt class="computeroutput"><span class="identifier">swap</span><span class="special">(</span><span class="identifier">a1</span><span class="special">,</span> <span class="identifier">b1</span><span class="special">)</span></tt> for corresponding elements in <tt class="computeroutput"><span class="identifier">seq1</span></tt> and <tt class="computeroutput"><span class="identifier">seq2</span></tt>.
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<span class="bold"><strong>Semantics</strong></span>: Calls <code class="computeroutput"><span class="identifier">swap</span><span class="special">(</span><span class="identifier">a1</span><span class="special">,</span> <span class="identifier">b1</span><span class="special">)</span></code> for corresponding elements in <code class="computeroutput"><span class="identifier">seq1</span></code> and <code class="computeroutput"><span class="identifier">seq2</span></code>.
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</p>
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<p>
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/sequence/intrinsic/swap.hpp>
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</p>
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<a name="fusion.sequence.intrinsic.functions.swap.example"></a><h6>
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<a name="id508255"></a>
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<a name="id1033587"></a>
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<a href="swap.html#fusion.sequence.intrinsic.functions.swap.example">Example</a>
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</h6>
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<pre class="programlisting">
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<a href="../../../container/vector.html" title="vector"><tt class="computeroutput"><span class="identifier">vector</span></tt></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">></span> <span class="identifier">v1</span><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="string">"hello"</span><span class="special">),</span> <span class="identifier">v2</span><span class="special">(</span><span class="number">2</span><span class="special">,</span> <span class="string">"world"</span><span class="special">);</span>
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<pre class="programlisting"><a href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">></span> <span class="identifier">v1</span><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="string">"hello"</span><span class="special">),</span> <span class="identifier">v2</span><span class="special">(</span><span class="number">2</span><span class="special">,</span> <span class="string">"world"</span><span class="special">);</span>
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<span class="identifier">swap</span><span class="special">(</span><span class="identifier">v1</span><span class="special">,</span> <span class="identifier">v2</span><span class="special">);</span>
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<span class="identifier">assert</span><span class="special">(</span><span class="identifier">v1</span> <span class="special">==</span> <a href="../../../container/generation/functions/make_vector.html" title="make_vector"><tt class="computeroutput"><span class="identifier">make_vector</span></tt></a><span class="special">(</span><span class="number">2</span><span class="special">,</span> <span class="string">"world"</span><span class="special">));</span>
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<span class="identifier">assert</span><span class="special">(</span><span class="identifier">v2</span> <span class="special">==</span> <a href="../../../container/generation/functions/make_vector.html" title="make_vector"><tt class="computeroutput"><span class="identifier">make_vector</span></tt></a><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="string">"hello"</span><span class="special">));</span>
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<span class="identifier">assert</span><span class="special">(</span><span class="identifier">v1</span> <span class="special">==</span> <a href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">2</span><span class="special">,</span> <span class="string">"world"</span><span class="special">));</span>
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<span class="identifier">assert</span><span class="special">(</span><span class="identifier">v2</span> <span class="special">==</span> <a href="../../../container/generation/functions/make_vector.html" title="make_vector"><code class="computeroutput"><span class="identifier">make_vector</span></code></a><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="string">"hello"</span><span class="special">));</span>
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</pre>
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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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