id summary reporter owner description type status milestone component version severity resolution keywords cc 4711 Must use implementation details to return move-only types Dave Abrahams viboes I can't directly return a move-only type and must instead return `boost::detail::thread_move_t<…>`. That should be improved/fixed. It is possible to write move emulation that allows them to be returned directly. Bugs closed Boost 1.50.0 thread Boost 1.44.0 Problem fixed move viboes