55     forward(typename std::remove_reference<_Tp>::type& __t) noexcept  in forward()  argument
56     { return static_cast<_Tp&&>(__t); }  in forward()
66     forward(typename std::remove_reference<_Tp>::type&& __t) noexcept  in forward()  argument
68       return static_cast<_Tp&&>(__t);  in forward()
78     move(_Tp&& __t) noexcept  in move()  argument
79     { return static_cast<typename std::remove_reference<_Tp>::type&&>(__t); }  in move()
140       _M_head(const _Tuple_impl& __t) noexcept { return _Base::_M_head(__t); }  in _M_head()
143       _M_tail(const _Tuple_impl& __t) noexcept { return __t; }  in _M_tail()
203     __get_helper(const _Tuple_impl<__i, _Head, _Tail...>& __t) noexcept  in __get_helper()  argument
204     { return _Tuple_impl<__i, _Head, _Tail...>::_M_head(__t); }  in __get_helper()
213     get(const tuple<_Elements...>& __t) noexcept  in get()  argument
214     { return __get_helper<__i>(__t); }  in get()