1*4bdff4beSrobert //===----------------------------------------------------------------------===// 2*4bdff4beSrobert // 3*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information. 5*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*4bdff4beSrobert // 7*4bdff4beSrobert //===----------------------------------------------------------------------===// 8*4bdff4beSrobert 9*4bdff4beSrobert #ifndef _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H 10*4bdff4beSrobert #define _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H 11*4bdff4beSrobert 12*4bdff4beSrobert #include <__algorithm/iterator_operations.h> 13*4bdff4beSrobert #include <__algorithm/lower_bound.h> 14*4bdff4beSrobert #include <__config> 15*4bdff4beSrobert #include <__functional/identity.h> 16*4bdff4beSrobert #include <__functional/invoke.h> 17*4bdff4beSrobert #include <__functional/ranges_operations.h> 18*4bdff4beSrobert #include <__iterator/concepts.h> 19*4bdff4beSrobert #include <__iterator/projected.h> 20*4bdff4beSrobert #include <__ranges/access.h> 21*4bdff4beSrobert #include <__ranges/concepts.h> 22*4bdff4beSrobert #include <__ranges/dangling.h> 23*4bdff4beSrobert 24*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 25*4bdff4beSrobert # pragma GCC system_header 26*4bdff4beSrobert #endif 27*4bdff4beSrobert 28*4bdff4beSrobert #if _LIBCPP_STD_VER > 17 29*4bdff4beSrobert 30*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD 31*4bdff4beSrobert 32*4bdff4beSrobert namespace ranges { 33*4bdff4beSrobert namespace __upper_bound { 34*4bdff4beSrobert struct __fn { 35*4bdff4beSrobert template <forward_iterator _Iter, sentinel_for<_Iter> _Sent, class _Type, class _Proj = identity, 36*4bdff4beSrobert indirect_strict_weak_order<const _Type*, projected<_Iter, _Proj>> _Comp = ranges::less> 37*4bdff4beSrobert _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr operator__fn38*4bdff4beSrobert _Iter operator()(_Iter __first, _Sent __last, const _Type& __value, _Comp __comp = {}, _Proj __proj = {}) const { 39*4bdff4beSrobert auto __comp_lhs_rhs_swapped = [&](const auto& __lhs, const auto& __rhs) { 40*4bdff4beSrobert return !std::invoke(__comp, __rhs, __lhs); 41*4bdff4beSrobert }; 42*4bdff4beSrobert 43*4bdff4beSrobert return std::__lower_bound_impl<_RangeAlgPolicy>(__first, __last, __value, __comp_lhs_rhs_swapped, __proj); 44*4bdff4beSrobert } 45*4bdff4beSrobert 46*4bdff4beSrobert template <forward_range _Range, class _Type, class _Proj = identity, 47*4bdff4beSrobert indirect_strict_weak_order<const _Type*, projected<iterator_t<_Range>, _Proj>> _Comp = ranges::less> 48*4bdff4beSrobert _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr operator__fn49*4bdff4beSrobert borrowed_iterator_t<_Range> operator()(_Range&& __r, 50*4bdff4beSrobert const _Type& __value, 51*4bdff4beSrobert _Comp __comp = {}, 52*4bdff4beSrobert _Proj __proj = {}) const { 53*4bdff4beSrobert auto __comp_lhs_rhs_swapped = [&](const auto& __lhs, const auto& __rhs) { 54*4bdff4beSrobert return !std::invoke(__comp, __rhs, __lhs); 55*4bdff4beSrobert }; 56*4bdff4beSrobert 57*4bdff4beSrobert return std::__lower_bound_impl<_RangeAlgPolicy>(ranges::begin(__r), 58*4bdff4beSrobert ranges::end(__r), 59*4bdff4beSrobert __value, 60*4bdff4beSrobert __comp_lhs_rhs_swapped, 61*4bdff4beSrobert __proj); 62*4bdff4beSrobert } 63*4bdff4beSrobert }; 64*4bdff4beSrobert } // namespace __upper_bound 65*4bdff4beSrobert 66*4bdff4beSrobert inline namespace __cpo { 67*4bdff4beSrobert inline constexpr auto upper_bound = __upper_bound::__fn{}; 68*4bdff4beSrobert } // namespace __cpo 69*4bdff4beSrobert } // namespace ranges 70*4bdff4beSrobert 71*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD 72*4bdff4beSrobert 73*4bdff4beSrobert #endif // _LIBCPP_STD_VER > 17 74*4bdff4beSrobert 75*4bdff4beSrobert #endif // _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H 76