Boost.RangeEx merged into Boost.Range

[SVN r60897]

doc/reference/adaptors/strided.qbk

@@ -0,0 +1,45 @@
+[section:strided strided]
+
+[table
+    [[Syntax] [Code]]
+    [[Pipe] [`rng | boost::adaptors::strided(n)`]]
+    [[Function] [`boost::adaptors::stride(rng, n)`]]
+]
+
+* [*Precondition:] `0 <= n && n < distance(rng)`
+* [*Returns:] A new range based on `rng` where traversal is performed in steps of `n`.
+* [*Range Category:] `RandomAccessRange`
+
+[section:strided_example strided example]
+``
+#include <boost/range/adaptor/strided.hpp>
+#include <boost/range/algorithm/copy.hpp>
+#include <boost/assign.hpp>
+#include <algorithm>
+#include <iostream>
+#include <vector>
+
+int main(int argc, const char* argv[])
+{
+    using namespace boost::adaptors;
+    using namespace boost::assign;
+
+    std::vector<int> input;
+    input += 1,2,3,4,5,6,7,8,9,10;
+
+    boost::copy(
+        input | strided(2),
+        std::ostream_iterator<int>(std::cout, ","));
+
+    return 0;
+}
+``
+[endsect]
+
+This would produce the output:
+``
+1,3,5,7,9
+``
+[endsect]
+
+