...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::movelib::inverse
// In header: <boost/move/algo/predicate.hpp> template<typename Comp> class inverse { public: // construct/copy/destruct inverse(); explicit inverse(Comp); // public member functions template<typename T1, typename T2> bool operator()(const T1 &, const T2 &); };