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range/doc/reference/adaptors/sliced.html
Neil Groves b0d1db7c2e Boost.RangeEx merged into Boost.Range
[SVN r60897]
2010-03-28 16:08:35 +00:00

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<title>Boost.Range Range Adaptors </title>
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<table border="0" >
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<td ><img src="../../../boost.png" border="0" /></td>
<td ><h1 align="center">Boost.Range </h1></td>
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<h2> Range Adaptors </h2>
<hr />
<a name="sliced"></a>
<h4><code>sliced</code></h4>
<blockquote>
<pre>rng | boost::adaptors::sliced( n, m )</pre>
<pre>boost::make_sliced_range( rng, n, m )</pre>
</blockquote>
<ul>
<li>
<b>Precondition:</b>
<code>0 <= n && n <= m && m < distance(rng)</code>
</li>
<li>
<b>Returns:</b>
<code>make_range(rng, n, m)</code>
</li>
<li>
<b>Range Category:</b>
RandomAccessRange
</li>
</ul>
<hr />
<h3>Example</h3>
<pre>
<span class="keyword">#include</span> &lt;boost/range/adaptor/sliced.hpp&gt;
<span class="keyword">#include</span> &lt;boost/range/algorithm/copy.hpp&gt;
<span class="keyword">#include</span> &lt;boost/assign.hpp&gt;
<span class="keyword">#include</span> &lt;algorithm&gt;
<span class="keyword">#include</span> &lt;iostream&gt;
<span class="keyword">#include</span> &lt;vector&gt;
<span class="keyword">int</span> main(<span class="keyword">int</span> argc, <span class="keyword">const char</span>* argv[])
{
<span class="keyword">using namespace</span> boost::adaptors;
<span class="keyword">using namespace</span> boost::assign;
std::vector&lt;<span class="keyword">int</span>&gt; input;
input += 1,2,3,4,5,6,7,8,9;
boost::copy(
input | sliced(2, 5),
std::ostream_iterator&lt;<span class="keyword">int</span>&gt;(std::cout, ","));
<span class="keyword">return</span> 0;
}
</pre>
<p>
This produces the output: <br />
<code>
3,4,5
</code>
</p>
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<p>
(C) Copyright Neil Groves 2009
(C) Copyright Thorsten Ottosen 2003-2004
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