Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
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boost::units::us::pint_base_unit
// In header: <boost/units/base_units/us/pint.hpp> struct pint_base_unit : public boost::units::base_unit< pint_base_unit, si::volume ::dimension_type, -503 > { // public static functions static const char * name(); static const char * symbol(); };