Boost.RangeEx merged into Boost.Range

[SVN r60897]

doc/reference/adaptors/examples/indexed.cpp

@@ -0,0 +1,36 @@
+#include <boost/range/adaptor/indexed.hpp>
+#include <boost/range/algorithm/copy.hpp>
+#include <boost/assign.hpp>
+#include <algorithm>
+#include <iostream>
+#include <vector>
+
+template<typename Iterator>
+void display_element_and_index(Iterator first, Iterator last)
+{
+    for (Iterator it = first; it != last; ++it)
+    {
+        std::cout << "Element = " << *it
+                  << " Index = " << it.index() << std::endl;
+    }
+}
+
+template<typename SinglePassRange>
+void display_element_and_index(const SinglePassRange& rng)
+{
+    display_element_and_index(boost::begin(rng), boost::end(rng));
+}
+
+int main(int argc, const char* argv[])
+{
+    using namespace boost::assign;
+    using namespace boost::adaptors;
+    
+    std::vector<int> input;
+    input += 10,20,30,40,50,60,70,80,90;
+    
+    display_element_and_index( input | indexed(0) );
+    
+    return 0;
+]
+