77 template <class _Container, class _Range, class... _Args>
81     constructible_from<_Container, iterator_t<_Range>, sentinel_t<_Range>, _Args...>;
87 template <class _Container, input_range _Range, class... _Args>
89 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr _Container to(_Range&& __range, _Args&&... __args) {  in to()
100     if constexpr (constructible_from<_Container, _Range, _Args...>) {  in to()
101       return _Container(std::forward<_Range>(__range), std::forward<_Args>(__args)...);  in to()
105     else if constexpr (constructible_from<_Container, from_range_t, _Range, _Args...>) {  in to()
106       return _Container(from_range, std::forward<_Range>(__range), std::forward<_Args>(__args)...);  in to()
110     else if constexpr (__constructible_from_iter_pair<_Container, _Range, _Args...>) {  in to()
111 …   return _Container(ranges::begin(__range), ranges::end(__range), std::forward<_Args>(__args)...);  in to()
115     else if constexpr (constructible_from<_Container, _Args...> &&  in to()
117       _Container __result(std::forward<_Args>(__args)...);  in to()
136         std::forward<_Args>(__args)...);  in to()
159 template <template <class...> class _Container, input_range _Range, class... _Args>
165     if constexpr (requires { _Container(std::declval<_Range>(), std::declval<_Args>()...); }) {  in __deduce_func()
167           _Container(std::declval<_Range>(), std::declval<_Args>()...));  in __deduce_func()
172         requires { _Container(from_range, std::declval<_Range>(), std::declval<_Args>()...); }) {  in __deduce_func()
174           decltype(_Container(from_range, std::declval<_Range>(), std::declval<_Args>()...));  in __deduce_func()
179 … _Container(std::declval<_InputIter>(), std::declval<_InputIter>(), std::declval<_Args>()...); }) {  in __deduce_func()
181 …type(_Container(std::declval<_InputIter>(), std::declval<_InputIter>(), std::declval<_Args>()...));  in __deduce_func()
195 template <template <class...> class _Container, input_range _Range, class... _Args>
196 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr auto to(_Range&& __range, _Args&&... __args) {  in to()
197   using _DeduceExpr = typename _Deducer<_Container, _Range, _Args...>::type;  in to()
198   return ranges::to<_DeduceExpr>(std::forward<_Range>(__range), std::forward<_Args>(__args)...);  in to()
203 template <class _Container, class... _Args>
205 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr auto to(_Args&&... __args) {  in to()
217   return __range_adaptor_closure_t(std::__bind_back(__to_func, std::forward<_Args>(__args)...));  in to()
222 template <template <class...> class _Container, class... _Args>
223 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr auto to(_Args&&... __args) {  in to()
236   return __range_adaptor_closure_t(std::__bind_back(__to_func, std::forward<_Args>(__args)...));  in to()