feedc0de/boost_range
1
0 Fork 0
forked from boostorg/range
Code Pull Requests Activity

Boost.RangeEx merged into Boost.Range

Browse Source 
[SVN r60897]
This commit is contained in:
Neil Groves committed 2010-03-28 16:08:35 +00:00
1 parent 1461479a17
commit b0d1db7c2e
471 files changed
+48610 -2065
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

doc/reference/adaptors/strided.html
Executable
+94
View File
@@ -0,0 +1,94 @@
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Boost.Range Range Adaptors </title>
<link rel="stylesheet" href="../style.css" type="text/css">
</head>
<body>
<table border="0" >
<tr>
<td ><img src="../../../boost.png" border="0" /></td>
<td ><h1 align="center">Boost.Range </h1></td>
</tr>
</table>
<h2> Range Adaptors </h2>
<hr />
<a name="strided"></a>
<h4><code>strided</code></h4>
<blockquote>
<pre>rng | boost::adaptors::strided( n )</pre>
<pre>boost::make_strided_range( rng, n )</pre>
</blockquote>
<ul>
<li>
<b>Precondition:</b>
<code>0 <= n && n &lt;= distance(rng)</code>
</li>
<li>
<b>Returns:</b>
A new range based on <code>rng</code> where traversal is performed in steps of <code>n</code>.
</li>
<li>
<b>Range Category:</b>
RandomAccessRange
</li>
</ul>
<hr />
<h3>Example</h3>
<pre>
<span class="keyword">#include</span> &lt;boost/range/adaptor/strided.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 += 1,2,3,4,5,6,7,8,9,10;
boost::copy(
input | strided(2),
std::ostream_iterator&lt;<span class="keyword">int</span>&gt;(std::cout, ","));
<span class="keyword">return</span> 0;
}
</pre>
<p>
This produces the output:
<code>
1,3,5,7,9
</code>
</p>
<hr />
<p>
(C) Copyright Neil Groves 2009
(C) Copyright Thorsten Ottosen 2003-2004
</p>
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
</body>
</html>