...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::base_unit_info<abstract::plane_angle_unit_tag>
// In header: <boost/units/systems/abstract.hpp> struct base_unit_info<abstract::plane_angle_unit_tag> { // public static functions static std::string name(); static std::string symbol(); };