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61 lines
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61 lines
2.9 KiB
HTML
<!doctype html public "-//ietf//dtd html//en">
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<html><head><title>boost::mpl::joint_view</title>
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<link rel="stylesheet" href="../mpl_wiki.css">
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</head><body bgcolor="white">
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<h1><a href="../Table_of_Contents.html"><img src="../mpl_logo.jpg" alt="[Home]" border=0 align="right"></a>joint_view</h1><h3>Synopsis</h3>
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<p>
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<pre>
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template<
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typename Sequence1
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, typename Sequence2
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>
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struct joint_view
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{
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<span class="cxx-comment">// unspecified</span>
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};
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</pre>
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<p>
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<h3>Description</h3>
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<p>
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<code>joint_view</code> is a two-sequence view that allows one to operate on a sequence of concatenated elements of sequences <code>Sequence1</code> and <code>Sequence2</code> without actually creating one.
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<p>
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<h3>Definition</h3>
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<p>
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<pre>
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#include "<a href="../../../../../boost/mpl/joint_view.hpp">boost/mpl/joint_view.hpp</a>"
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</pre>
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<p>
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<h3>Parameters</h3>
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<table border="1">
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<tr><th> Parameter </th><th> Requirement </th><th> Description </th></tr>
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<tr><td><code>Sequence1</code>, <code>Sequence2</code></td><td>A model of <a href="../Sequence.html">Sequence</a></td><td>Sequences to concatenate. </td></tr>
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</table>
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<p>
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<h3>Expression semantics</h3>
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<p>
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<table border="1">
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<tr><th> Expression </th><th> Expression type </th><th> Precondition </th><th> Semantics </th><th> Postcondition </th></tr>
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<tr><td><code>typedef joint_view<Sequence1,Sequence2> s;</code></td><td>A model of <a href="../Sequence.html">Sequence</a></td><td></td><td><code>s</code> prodives iterators to all the elements in the ranges <code>[<a href="../Reference/begin.html">begin</a><Sequence1>::type,<a href="../Reference/end.html">end</a><Sequence1>::type)</code>, <code>[<a href="../Reference/begin.html">begin</a><Sequence2>::type,<a href="../Reference/end.html">end</a><Sequence2>::type)</code>.</td><td><code><a href="../Reference/size.html">size</a><s>::type::value == <a href="../Reference/size.html">size</a>< Sequence1 >::type::value + <a href="../Reference/size.html">size</a>< Sequence2 >::type::value</code>. </td></tr>
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</table>
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<p>
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<h3>Complexity</h3>
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<p>
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Amortized constant time.
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<p>
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<h3>Example</h3>
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<p>
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<pre>
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typedef joint_view<
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<a href="../Reference/range_c.html">range_c</a><int,0,10>
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, <a href="../Reference/range_c.html">range_c</a><int,10,15>
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> numbers;
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<p>
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typedef <a href="../Reference/range_c.html">range_c</a><int,0,15> answer;
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BOOST_STATIC_ASSERT((<a href="../Reference/equal.html">equal</a><numbers,answer>::type::value));
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</pre>
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<p>
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<h3>See also</h3>
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<p>
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<a href="../Sequences.html">Sequences</a>, <code><a href="../Reference/transform_view.html">transform_view</a></code>, <code><a href="../Reference/filter_view.html">filter_view</a></code>, <code><a href="../Reference/zip_view.html">zip_view</a></code>
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<p><hr>
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<a href="../Table_of_Contents.html">Table of Contents</a><br>Last edited March 10, 2003 5:42 am</body></html> |