...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::knot_base_unit
// In header: <boost/units/base_units/metric/knot.hpp> struct knot_base_unit : public boost::units::base_unit< knot_base_unit, boost::units::si::velocity ::dimension_type, -403 > { // public static functions static const char * name(); static const char * symbol(); };