181ad6265SDimitry Andric //===----------------------------------------------------------------------===// 281ad6265SDimitry Andric // 381ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 481ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 581ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 681ad6265SDimitry Andric // 781ad6265SDimitry Andric //===----------------------------------------------------------------------===// 881ad6265SDimitry Andric 981ad6265SDimitry Andric #ifndef _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H 1081ad6265SDimitry Andric #define _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H 1181ad6265SDimitry Andric 1281ad6265SDimitry Andric #include <__algorithm/iterator_operations.h> 1381ad6265SDimitry Andric #include <__algorithm/lower_bound.h> 1481ad6265SDimitry Andric #include <__config> 1581ad6265SDimitry Andric #include <__functional/identity.h> 1681ad6265SDimitry Andric #include <__functional/invoke.h> 1781ad6265SDimitry Andric #include <__functional/ranges_operations.h> 1881ad6265SDimitry Andric #include <__iterator/concepts.h> 1981ad6265SDimitry Andric #include <__iterator/projected.h> 2081ad6265SDimitry Andric #include <__ranges/access.h> 2181ad6265SDimitry Andric #include <__ranges/concepts.h> 2281ad6265SDimitry Andric #include <__ranges/dangling.h> 2381ad6265SDimitry Andric 2481ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 2581ad6265SDimitry Andric # pragma GCC system_header 2681ad6265SDimitry Andric #endif 2781ad6265SDimitry Andric 2806c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 2981ad6265SDimitry Andric 3081ad6265SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 3181ad6265SDimitry Andric 3281ad6265SDimitry Andric namespace ranges { 3381ad6265SDimitry Andric namespace __upper_bound { 3481ad6265SDimitry Andric struct __fn { 3506c3fb27SDimitry Andric template <forward_iterator _Iter, 3606c3fb27SDimitry Andric sentinel_for<_Iter> _Sent, 3706c3fb27SDimitry Andric class _Type, 3806c3fb27SDimitry Andric class _Proj = identity, 3981ad6265SDimitry Andric indirect_strict_weak_order<const _Type*, projected<_Iter, _Proj>> _Comp = ranges::less> 40*0fca6ea1SDimitry Andric [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr _Iter 4106c3fb27SDimitry Andric operator()(_Iter __first, _Sent __last, const _Type& __value, _Comp __comp = {}, _Proj __proj = {}) const { 425f757f3fSDimitry Andric auto __comp_lhs_rhs_swapped = [&](const auto& __lhs, const auto& __rhs) -> bool { 4381ad6265SDimitry Andric return !std::invoke(__comp, __rhs, __lhs); 4481ad6265SDimitry Andric }; 4581ad6265SDimitry Andric 4606c3fb27SDimitry Andric return std::__lower_bound<_RangeAlgPolicy>(__first, __last, __value, __comp_lhs_rhs_swapped, __proj); 4781ad6265SDimitry Andric } 4881ad6265SDimitry Andric 4906c3fb27SDimitry Andric template <forward_range _Range, 5006c3fb27SDimitry Andric class _Type, 5106c3fb27SDimitry Andric class _Proj = identity, 5281ad6265SDimitry Andric indirect_strict_weak_order<const _Type*, projected<iterator_t<_Range>, _Proj>> _Comp = ranges::less> 53*0fca6ea1SDimitry Andric [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range> 5406c3fb27SDimitry Andric operator()(_Range&& __r, const _Type& __value, _Comp __comp = {}, _Proj __proj = {}) const { 555f757f3fSDimitry Andric auto __comp_lhs_rhs_swapped = [&](const auto& __lhs, const auto& __rhs) -> bool { 5681ad6265SDimitry Andric return !std::invoke(__comp, __rhs, __lhs); 5781ad6265SDimitry Andric }; 5881ad6265SDimitry Andric 5906c3fb27SDimitry Andric return std::__lower_bound<_RangeAlgPolicy>( 6006c3fb27SDimitry Andric ranges::begin(__r), ranges::end(__r), __value, __comp_lhs_rhs_swapped, __proj); 6181ad6265SDimitry Andric } 6281ad6265SDimitry Andric }; 6381ad6265SDimitry Andric } // namespace __upper_bound 6481ad6265SDimitry Andric 6581ad6265SDimitry Andric inline namespace __cpo { 6681ad6265SDimitry Andric inline constexpr auto upper_bound = __upper_bound::__fn{}; 6781ad6265SDimitry Andric } // namespace __cpo 6881ad6265SDimitry Andric } // namespace ranges 6981ad6265SDimitry Andric 7081ad6265SDimitry Andric _LIBCPP_END_NAMESPACE_STD 7181ad6265SDimitry Andric 7206c3fb27SDimitry Andric #endif // _LIBCPP_STD_VER >= 20 7381ad6265SDimitry Andric 7481ad6265SDimitry Andric #endif // _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H 75