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

Struct template static_power

boost::units::static_power — Raise a dimension list to a scalar power.

// In header: <boost/units/dimension.hpp>

template<typename DL, typename Ex> 
struct static_power {
  // types
  typedef unspecified type;
};