...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::difference_type_of<interval_traits< Type >>
// In header: <boost/icl/interval_traits.hpp> template<typename Type> struct difference_type_of<interval_traits< Type >> { // types typedef interval_traits< Type >::domain_type domain_type; typedef difference_type_of< domain_type >::type type; };