Function get

extern/boost/boost/thread/future.hpp:651–654

                return result;
            }
            virtual move_dest_type get(boost::unique_lock<boost::mutex>& lk)
            {
                return boost::move(*get_storage(lk));
            }
            move_dest_type get()
            {
                boost::unique_lock<boost::mutex> lk(this->mutex);