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
This version of Boost is under active development. You are currently in the master branch. The current version is 1.91.0.
boost::units::reduce_unit — Returns a unique type for every unit.
// In header: <boost/units/reduce_unit.hpp> template<typename Unit> struct reduce_unit { // types typedef unspecified type; };