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new_value is
                      convertible to the value_type
                      of the range.
                    old_value is
                      convertible to the value_type
                      of the range.
                    x in the returned
                range, the value x
                is equal to the value of (y ==
                old_value)
                ? new_value
                : y
                where y is the corresponding
                element in the original range.
              boost::replaced_range<decltype(rng)>
              rng.
              
#include <boost/range/adaptor/replaced.hpp> #include <boost/range/algorithm/copy.hpp> #include <boost/assign.hpp> #include <iterator> #include <iostream> #include <vector> int main(int argc, const char* argv[]) { using namespace boost::adaptors; using namespace boost::assign; std::vector<int> input; input += 1,2,3,2,5,2,7,2,9; boost::copy( input | replaced(2, 10), std::ostream_iterator<int>(std::cout, ",")); return 0; }
This would produce the output:
1,10,3,10,5,10,7,10,9,