...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::proto::functional::rbegin::result<This(Range)>
// In header: <boost/proto/functional/range/rbegin.hpp> template<typename This, typename Range> struct result<This(Range)> : boost::range_reverse_iterator< typename boost::remove_reference<Range>::type > { };