...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::units::make_scaled_unit
// In header: <boost/units/make_scaled_unit.hpp> template<typename Unit, typename Scale> struct make_scaled_unit { // types typedef make_scaled_unit< typename reduce_unit< Unit >::type, Scale >::type type; };