Boost.Range

Range Adaptors


indirected

rng | boost::adaptors::indirected
boost::make_indirected_range( rng )

Example

        #include <boost/range/adaptor/indirected.hpp>
        #include <boost/range/algorithm/copy.hpp>
        #include <boost/shared_ptr.hpp>
        #include <algorithm>
        #include <iostream>
        #include <vector>
        
        int main(int argc, const char* argv[])
        {
            using namespace boost::adaptors;
            
            std::vector<boost::shared_ptr<int> > input;
            
            for (int i = 0; i < 10; ++i)
                input.push_back(boost::shared_ptr<int>(new int(i)));
                
            boost::copy(
                input | indirected,
                std::ostream_iterator<int>(std::cout, ","));
                
            return 0;
        }
    

This produces the output:
0,1,2,3,4,5,6,7,8,9


(C) Copyright Neil Groves 2009 (C) Copyright Thorsten Ottosen 2003-2004