...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::scaled_base_unit
// In header: <boost/units/scale.hpp> template<typename S, typename Scale> struct scaled_base_unit { // public static functions static std::string symbol(); static std::string name(); };