...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::move_upd::unique_moveconvert_assignable
// In header: <boost/move/unique_ptr.hpp> template<typename T, typename D, typename U, typename E> struct unique_moveconvert_assignable { // public data members static const bool value; };