...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::metric::are_base_unit
// In header: <boost/units/base_units/metric/are.hpp> struct are_base_unit : public boost::units::base_unit< are_base_unit, si::area ::dimension_type, 10 > { // public static functions static const char * name(); static const char * symbol(); };