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
boost::icl::version<icl::inplace_minus< long double >>
// In header: <boost/icl/functors.hpp> struct version<icl::inplace_minus< long double >> : public boost::icl::conversion< icl::inplace_minus< long double > > { // types typedef version< icl::inplace_minus< long double > > type; typedef conversion< icl::inplace_minus< long double > > base_type; typedef base_type::argument_type argument_type; // public member functions long double operator()(long double); };