forked from boostorg/fusion
merged fusion from the trunk
[SVN r63560]
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<div class="spirit-nav">
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<a accesskey="p" href="size.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.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="at_c.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
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</div>
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<div class="section" title="at">
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<div class="section">
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<div class="titlepage"><div><div><h5 class="title">
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<a name="fusion.sequence.intrinsic.functions.at"></a><a class="link" href="at.html" title="at">at</a>
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</h5></div></div></div>
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<a name="fusion.sequence.intrinsic.functions.at.description"></a><h6>
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<a name="id677219"></a>
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<a name="id906302"></a>
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<a class="link" href="at.html#fusion.sequence.intrinsic.functions.at.description">Description</a>
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</h6>
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<p>
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Returns the N-th element from the beginning of the sequence.
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</p>
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<a name="fusion.sequence.intrinsic.functions.at.synopsis"></a><h6>
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<a class="link" href="at.html#fusion.sequence.intrinsic.functions.at.synopsis">Synopsis</a>
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</h6>
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<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">N</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">></span>
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<span class="identifier">at</span><span class="special">(</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">);</span>
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</pre>
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<a name="fusion.sequence.intrinsic.functions.at.parameters"></a><h6>
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<a name="id906552"></a>
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<a class="link" href="at.html#fusion.sequence.intrinsic.functions.at.parameters">Parameters</a>
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</h6>
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<div class="informaltable"><table class="table">
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</tbody>
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</table></div>
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<a name="fusion.sequence.intrinsic.functions.at.expression_semantics"></a><h6>
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<a name="id677600"></a>
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<a name="id906684"></a>
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<a class="link" href="at.html#fusion.sequence.intrinsic.functions.at.expression_semantics">Expression
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Semantics</a>
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</h6>
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<pre class="programlisting"><a class="link" href="../../../iterator/functions/deref.html" title="deref"><code class="computeroutput"><span class="identifier">deref</span></code></a><span class="special">(</span><a class="link" href="../../../iterator/functions/advance.html" title="advance"><code class="computeroutput"><span class="identifier">advance</span></code></a><span class="special"><</span><span class="identifier">N</span><span class="special">>(</span><a class="link" href="begin.html" title="begin"><code class="computeroutput"><span class="identifier">begin</span></code></a><span class="special">(</span><span class="identifier">s</span><span class="special">)))</span>
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</pre>
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<a name="fusion.sequence.intrinsic.functions.at.header"></a><h6>
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<a name="id677810"></a>
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<a name="id906894"></a>
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<a class="link" href="at.html#fusion.sequence.intrinsic.functions.at.header">Header</a>
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</h6>
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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">sequence</span><span class="special">/</span><span class="identifier">intrinsic</span><span class="special">/</span><span class="identifier">at</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">at</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.sequence.intrinsic.functions.at.example"></a><h6>
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<a name="id677926"></a>
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<a name="id907009"></a>
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<a class="link" href="at.html#fusion.sequence.intrinsic.functions.at.example">Example</a>
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</h6>
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<pre class="programlisting"><a class="link" 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="keyword">int</span><span class="special">,</span> <span class="keyword">int</span><span class="special">></span> <span class="identifier">v</span><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="number">2</span><span class="special">,</span> <span class="number">3</span><span class="special">);</span>
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