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value_type of the range defines
                unary operator*()
              x in the returned
                range, x is the result
                of *y
                where y is the corresponding
                element in the original range.
              boost::indirected_range<decltype(rng)>
              rng
              
#include <boost/range/adaptor/indirected.hpp> #include <boost/range/algorithm/copy.hpp> #include <boost/shared_ptr.hpp> #include <iterator> #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 would produce the output:
0,1,2,3,4,5,6,7,8,9,