76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H
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#define _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H
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#include <__algorithm/iterator_operations.h>
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#include <__algorithm/lower_bound.h>
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#include <__config>
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#include <__functional/identity.h>
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#include <__functional/invoke.h>
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#include <__functional/ranges_operations.h>
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#include <__iterator/concepts.h>
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#include <__iterator/projected.h>
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#include <__ranges/access.h>
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#include <__ranges/concepts.h>
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#include <__ranges/dangling.h>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace ranges {
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namespace __upper_bound {
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struct __fn {
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template <forward_iterator _Iter, sentinel_for<_Iter> _Sent, class _Type, class _Proj = identity,
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indirect_strict_weak_order<const _Type*, projected<_Iter, _Proj>> _Comp = ranges::less>
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_LIBCPP_HIDE_FROM_ABI constexpr
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_Iter operator()(_Iter __first, _Sent __last, const _Type& __value, _Comp __comp = {}, _Proj __proj = {}) const {
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auto __comp_lhs_rhs_swapped = [&](const auto& __lhs, const auto& __rhs) {
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return !std::invoke(__comp, __rhs, __lhs);
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};
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return std::__lower_bound_impl<_RangesIterOps>(__first, __last, __value, __comp_lhs_rhs_swapped, __proj);
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}
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template <forward_range _Range, class _Type, class _Proj = identity,
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indirect_strict_weak_order<const _Type*, projected<iterator_t<_Range>, _Proj>> _Comp = ranges::less>
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_LIBCPP_HIDE_FROM_ABI constexpr
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borrowed_iterator_t<_Range> operator()(_Range&& __r,
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const _Type& __value,
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_Comp __comp = {},
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_Proj __proj = {}) const {
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auto __comp_lhs_rhs_swapped = [&](const auto& __lhs, const auto& __rhs) {
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return !std::invoke(__comp, __rhs, __lhs);
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};
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return std::__lower_bound_impl<_RangesIterOps>(ranges::begin(__r),
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ranges::end(__r),
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__value,
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__comp_lhs_rhs_swapped,
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__proj);
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}
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};
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} // namespace __upper_bound
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inline namespace __cpo {
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inline constexpr auto upper_bound = __upper_bound::__fn{};
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} // namespace __cpo
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} // namespace ranges
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES)
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#endif // _LIBCPP___ALGORITHM_RANGES_UPPER_BOUND_H
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