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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H10#define _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H11 12#include <__algorithm/iterator_operations.h>13#include <__algorithm/lower_bound.h>14#include <__config>15#include <__functional/identity.h>16#include <__functional/invoke.h>17#include <__functional/ranges_operations.h>18#include <__iterator/concepts.h>19#include <__iterator/projected.h>20#include <__ranges/access.h>21#include <__ranges/concepts.h>22#include <__ranges/dangling.h>23 24#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)25# pragma GCC system_header26#endif27 28#if _LIBCPP_STD_VER >= 2029 30_LIBCPP_BEGIN_NAMESPACE_STD31 32namespace ranges {33struct __upper_bound {34 template <forward_iterator _Iter,35 sentinel_for<_Iter> _Sent,36 class _Type,37 class _Proj = identity,38 indirect_strict_weak_order<const _Type*, projected<_Iter, _Proj>> _Comp = ranges::less>39 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr _Iter40 operator()(_Iter __first, _Sent __last, const _Type& __value, _Comp __comp = {}, _Proj __proj = {}) const {41 auto __comp_lhs_rhs_swapped = [&](const auto& __lhs, const auto& __rhs) -> bool {42 return !std::invoke(__comp, __rhs, __lhs);43 };44 45 return std::__lower_bound<_RangeAlgPolicy>(__first, __last, __value, __comp_lhs_rhs_swapped, __proj);46 }47 48 template <forward_range _Range,49 class _Type,50 class _Proj = identity,51 indirect_strict_weak_order<const _Type*, projected<iterator_t<_Range>, _Proj>> _Comp = ranges::less>52 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range>53 operator()(_Range&& __r, const _Type& __value, _Comp __comp = {}, _Proj __proj = {}) const {54 auto __comp_lhs_rhs_swapped = [&](const auto& __lhs, const auto& __rhs) -> bool {55 return !std::invoke(__comp, __rhs, __lhs);56 };57 58 return std::__lower_bound<_RangeAlgPolicy>(59 ranges::begin(__r), ranges::end(__r), __value, __comp_lhs_rhs_swapped, __proj);60 }61};62 63inline namespace __cpo {64inline constexpr auto upper_bound = __upper_bound{};65} // namespace __cpo66} // namespace ranges67 68_LIBCPP_END_NAMESPACE_STD69 70#endif // _LIBCPP_STD_VER >= 2071 72#endif // _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H73