...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::static_root — Take a scalar root of a dimension list.
// In header: <boost/units/dimension.hpp> template<typename DL, typename Rt> struct static_root { // types typedef unspecified type; };