...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::unit_test::data::monomorphic::is_dataset<join< DS1, DS2 >>
// In header: <boost/test/data/monomorphic/join.hpp> template<typename DS1, typename DS2> struct is_dataset<join< DS1, DS2 >> : public true_ { };