forked from boostorg/fusion
Sync from trunk (except adapt class)
[SVN r56714]
This commit is contained in:
Joel de Guzman
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>equal</title>
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<div class="spirit-nav">
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<a accesskey="p" href="../comparison.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../comparison.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="not_equal.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
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<div class="titlepage"><div><div><h5 class="title">
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<a name="fusion.sequence.operator.comparison.equal"></a><a class="link" href="equal.html" title="equal">equal</a>
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</h5></div></div></div>
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<div class="section" lang="en">
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<div class="titlepage">
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<div><div><h5 class="title">
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<a name="fusion.sequence.operator.comparison.equal"></a><a href="equal.html" title="equal">equal</a>
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</h5></div></div>
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<div></div>
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</div>
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<a name="fusion.sequence.operator.comparison.equal.description"></a><h6>
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<a name="id609164"></a>
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<a class="link" href="equal.html#fusion.sequence.operator.comparison.equal.description">Description</a>
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<a name="id472785"></a>
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<a href="equal.html#fusion.sequence.operator.comparison.equal.description">Description</a>
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</h6>
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<p>
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Compare two sequences for equality.
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</p>
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<a name="fusion.sequence.operator.comparison.equal.synopsis"></a><h6>
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<a name="id609182"></a>
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<a class="link" href="equal.html#fusion.sequence.operator.comparison.equal.synopsis">Synopsis</a>
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<a name="id472815"></a>
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<a href="equal.html#fusion.sequence.operator.comparison.equal.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">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">bool</span>
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<span class="keyword">operator</span><span class="special">==(</span><span class="identifier">Seq1</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">a</span><span class="special">,</span> <span class="identifier">Seq2</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">b</span><span class="special">);</span>
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</pre>
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<a name="fusion.sequence.operator.comparison.equal.parameters"></a><h6>
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<a name="id609289"></a>
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<a class="link" href="equal.html#fusion.sequence.operator.comparison.equal.parameters">Parameters</a>
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<a name="id472966"></a>
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<a href="equal.html#fusion.sequence.operator.comparison.equal.parameters">Parameters</a>
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</h6>
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<div class="informaltable"><table class="table">
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<colgroup>
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@ -52,59 +56,47 @@
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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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Requirement
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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><tr>
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<td>
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<p>
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<code class="computeroutput"><span class="identifier">a</span><span class="special">,</span>
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<span class="identifier">b</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 <a class="link" href="../../../sequence.html" title="Sequence">Sequence</a>
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</p>
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</td>
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<td>
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<p>
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<a class="link" href="../../../sequence.html" title="Sequence">Sequence</a>(s) to compare
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</p>
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</td>
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<td><p>
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<tt class="computeroutput"><span class="identifier">a</span><span class="special">,</span>
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<span class="identifier">b</span></tt>
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</p></td>
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<td><p>
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Instances of <a href="../../../sequence.html" title="Sequence">Sequence</a>
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</p></td>
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<td><p>
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<a href="../../../sequence.html" title="Sequence">Sequence</a>(s) to compare
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</p></td>
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</tr></tbody>
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</table></div>
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<a name="fusion.sequence.operator.comparison.equal.expression_semantics"></a><h6>
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<a name="id609392"></a>
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<a class="link" href="equal.html#fusion.sequence.operator.comparison.equal.expression_semantics">Expression
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<a name="id473097"></a>
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<a href="equal.html#fusion.sequence.operator.comparison.equal.expression_semantics">Expression
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Semantics</a>
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</h6>
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<pre class="programlisting"><span class="identifier">a</span> <span class="special">==</span> <span class="identifier">b</span>
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</pre>
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<p>
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<span class="bold"><strong>Return type</strong></span>: <code class="computeroutput"><span class="keyword">bool</span></code>
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<span class="bold"><b>Return type</b></span>: <tt class="computeroutput"><span class="keyword">bool</span></tt>
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</p>
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<p>
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<span class="bold"><strong>Requirements</strong></span>:
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<span class="bold"><b>Requirements</b></span>:
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</p>
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<p>
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For each element, <code class="computeroutput"><span class="identifier">e1</span></code>,
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in sequence <code class="computeroutput"><span class="identifier">a</span></code>, and for
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each element, <code class="computeroutput"><span class="identifier">e2</span></code>, in
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sequence <code class="computeroutput"><span class="identifier">b</span></code>, <code class="computeroutput"><span class="identifier">a</span> <span class="special">==</span> <span class="identifier">b</span></code> is a valid expression returning a
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For each element, <tt class="computeroutput"><span class="identifier">e1</span></tt>,
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in sequence <tt class="computeroutput"><span class="identifier">a</span></tt>, and for
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each element, <tt class="computeroutput"><span class="identifier">e2</span></tt>, in
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sequence <tt class="computeroutput"><span class="identifier">b</span></tt>, <tt class="computeroutput"><span class="identifier">a</span> <span class="special">==</span> <span class="identifier">b</span></tt> is a valid expression returning a
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type that is convertible to bool.
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</p>
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<p>
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@ -112,29 +104,29 @@
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compile time error.
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</p>
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<p>
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<span class="bold"><strong>Semantics</strong></span>:
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<span class="bold"><b>Semantics</b></span>:
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</p>
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<p>
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For each element, <code class="computeroutput"><span class="identifier">e1</span></code>,
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in sequence <code class="computeroutput"><span class="identifier">a</span></code>, and for
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each element, <code class="computeroutput"><span class="identifier">e2</span></code>, in
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sequence <code class="computeroutput"><span class="identifier">b</span></code>, <code class="computeroutput"><span class="identifier">e1</span> <span class="special">==</span> <span class="identifier">e2</span></code> returns true. For any 2 zero length
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For each element, <tt class="computeroutput"><span class="identifier">e1</span></tt>,
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in sequence <tt class="computeroutput"><span class="identifier">a</span></tt>, and for
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each element, <tt class="computeroutput"><span class="identifier">e2</span></tt>, in
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sequence <tt class="computeroutput"><span class="identifier">b</span></tt>, <tt class="computeroutput"><span class="identifier">e1</span> <span class="special">==</span> <span class="identifier">e2</span></tt> returns true. For any 2 zero length
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<span class="underline">_sequence</span>_s, e and f, e == f returns
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true.
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</p>
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<a name="fusion.sequence.operator.comparison.equal.header"></a><h6>
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<a name="id609566"></a>
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<a class="link" href="equal.html#fusion.sequence.operator.comparison.equal.header">Header</a>
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<a name="id473355"></a>
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<a href="equal.html#fusion.sequence.operator.comparison.equal.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">comparison</span><span class="special">/</span><span class="identifier">equal_to</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">equal_to</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.operator.comparison.equal.example"></a><h6>
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<a name="id609682"></a>
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<a class="link" href="equal.html#fusion.sequence.operator.comparison.equal.example">Example</a>
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<a name="id473522"></a>
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<a href="equal.html#fusion.sequence.operator.comparison.equal.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">char</span><span class="special">></span> <span class="identifier">v1</span><span class="special">(</span><span class="number">5</span><span class="special">,</span> <span class="char">'a'</span><span class="special">);</span>
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<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">char</span><span class="special">></span> <span class="identifier">v2</span><span class="special">(</span><span class="number">5</span><span class="special">,</span> <span class="char">'a'</span><span class="special">);</span>
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<pre class="programlisting"><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="keyword">char</span><span class="special">></span> <span class="identifier">v1</span><span class="special">(</span><span class="number">5</span><span class="special">,</span> <span class="char">'a'</span><span class="special">);</span>
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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="keyword">char</span><span class="special">></span> <span class="identifier">v2</span><span class="special">(</span><span class="number">5</span><span class="special">,</span> <span class="char">'a'</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> <span class="identifier">v2</span><span class="special">);</span>
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</pre>
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</div>
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