40     requires(_Tp&& __t) {  in requires()  argument
41       { _LIBCPP_AUTO_CAST(__t.data()) } -> __ptr_to_object;  in requires()
48     requires(_Tp&& __t) {
49       { ranges::begin(__t) } -> contiguous_iterator;
55     constexpr auto operator()(_Tp&& __t) const  in operator()
56         noexcept(noexcept(__t.data())) {  in operator()
57       return __t.data();  in operator()
62     constexpr auto operator()(_Tp&& __t) const  in operator()
63         noexcept(noexcept(std::to_address(ranges::begin(__t)))) {  in operator()
64       return std::to_address(ranges::begin(__t));  in operator()
82     constexpr auto operator()(_Tp&& __t) const
83       noexcept(noexcept(ranges::data(static_cast<const remove_reference_t<_Tp>&>(__t))))
84       -> decltype(      ranges::data(static_cast<const remove_reference_t<_Tp>&>(__t)))
85       { return          ranges::data(static_cast<const remove_reference_t<_Tp>&>(__t)); }
90     constexpr auto operator()(_Tp&& __t) const
91       noexcept(noexcept(ranges::data(static_cast<const _Tp&&>(__t))))
92       -> decltype(      ranges::data(static_cast<const _Tp&&>(__t)))
93       { return          ranges::data(static_cast<const _Tp&&>(__t)); }