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<div class="titlepage"><div><div><h5 class="title">
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<a name="range.reference.adaptors.reference.strided"></a><a class="link" href="strided.html" title="strided">strided</a>
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</h5></div></div></div>
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<div class="toc"><dl><dt><span class="section"><a href="strided.html#range.reference.adaptors.reference.strided.strided_example">strided
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example</a></span></dt></dl></div>
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<div class="informaltable"><table class="table">
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<code class="computeroutput"><span class="identifier">rng</span> <span class="special">|</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">adaptors</span><span class="special">::</span><span class="identifier">strided</span><span class="special">(</span><span class="identifier">n</span><span class="special">)</span></code>
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<code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">adaptors</span><span class="special">::</span><span class="identifier">stride</span><span class="special">(</span><span class="identifier">rng</span><span class="special">,</span>
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<span class="identifier">n</span><span class="special">)</span></code>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<span class="bold"><strong>Precondition:</strong></span> <code class="computeroutput"><span class="number">0</span>
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<span class="special"><=</span> <span class="identifier">n</span></code>.
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<span class="bold"><strong>Returns:</strong></span> A new range based on <code class="computeroutput"><span class="identifier">rng</span></code> where traversal is performed
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in steps of <code class="computeroutput"><span class="identifier">n</span></code>.
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<span class="bold"><strong>Range Category:</strong></span> <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
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<span class="bold"><strong>Returned Range Category:</strong></span> The range
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category of <code class="computeroutput"><span class="identifier">rng</span></code>.
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<div class="titlepage"><div><div><h6 class="title">
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<a name="range.reference.adaptors.reference.strided.strided_example"></a><a class="link" href="strided.html#range.reference.adaptors.reference.strided.strided_example" title="strided example">strided
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</h6></div></div></div>
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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">range</span><span class="special">/</span><span class="identifier">adaptor</span><span class="special">/</span><span class="identifier">strided</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">range</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">copy</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">assign</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">algorithm</span><span class="special">></span>
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<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span>
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<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">vector</span><span class="special">></span>
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<span class="keyword">int</span> <span class="identifier">main</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">argc</span><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">char</span><span class="special">*</span> <span class="identifier">argv</span><span class="special">[])</span>
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<span class="special">{</span>
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<span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">adaptors</span><span class="special">;</span>
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<span class="keyword">using</span> <span class="keyword">namespace</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">assign</span><span class="special">;</span>
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">input</span><span class="special">;</span>
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<span class="identifier">input</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><span class="number">4</span><span class="special">,</span><span class="number">5</span><span class="special">,</span><span class="number">6</span><span class="special">,</span><span class="number">7</span><span class="special">,</span><span class="number">8</span><span class="special">,</span><span class="number">9</span><span class="special">,</span><span class="number">10</span><span class="special">;</span>
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<span class="identifier">boost</span><span class="special">::</span><span class="identifier">copy</span><span class="special">(</span>
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<span class="identifier">input</span> <span class="special">|</span> <span class="identifier">strided</span><span class="special">(</span><span class="number">2</span><span class="special">),</span>
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<span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream_iterator</span><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">cout</span><span class="special">,</span> <span class="string">","</span><span class="special">));</span>
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<span class="keyword">return</span> <span class="number">0</span><span class="special">;</span>
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<span class="special">}</span>
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This would produce the output:
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<pre class="programlisting"><span class="number">1</span><span class="special">,</span><span class="number">3</span><span class="special">,</span><span class="number">5</span><span class="special">,</span><span class="number">7</span><span class="special">,</span><span class="number">9</span>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2003 -2010 Thorsten Ottosen, Neil Groves<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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