...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::operator/
// In header: <boost/units/lambda.hpp> template<typename System, typename Dim, typename Arg> const divide_typeof_helper< boost::units::unit< Dim, System >, boost::lambda::lambda_functor< Arg > >::type operator/(const boost::units::unit< Dim, System > & a, const boost::lambda::lambda_functor< Arg > & b);