...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/scaled_base_unit.hpp> template<typename S, typename Scale> struct scaled_base_unit { // types typedef scaled_base_unit type; typedef scaled_base_unit_tag tag; typedef S system_type; typedef Scale scale_type; typedef S::dimension_type dimension_type; typedef unspecified unit_type; // public static functions static std::string symbol(); static std::string name(); };