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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_ADJACENT_FIND_H10#define _LIBCPP___ALGORITHM_RANGES_ADJACENT_FIND_H11 12#include <__algorithm/adjacent_find.h>13#include <__config>14#include <__functional/identity.h>15#include <__functional/ranges_operations.h>16#include <__iterator/concepts.h>17#include <__iterator/projected.h>18#include <__ranges/access.h>19#include <__ranges/concepts.h>20#include <__ranges/dangling.h>21#include <__utility/move.h>22 23#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)24# pragma GCC system_header25#endif26 27_LIBCPP_PUSH_MACROS28#include <__undef_macros>29 30#if _LIBCPP_STD_VER >= 2031 32_LIBCPP_BEGIN_NAMESPACE_STD33 34namespace ranges {35struct __adjacent_find {36 template <forward_iterator _Iter,37 sentinel_for<_Iter> _Sent,38 class _Proj = identity,39 indirect_binary_predicate<projected<_Iter, _Proj>, projected<_Iter, _Proj>> _Pred = ranges::equal_to>40 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr _Iter41 operator()(_Iter __first, _Sent __last, _Pred __pred = {}, _Proj __proj = {}) const {42 return std::__adjacent_find(std::move(__first), std::move(__last), __pred, __proj);43 }44 45 template <forward_range _Range,46 class _Proj = identity,47 indirect_binary_predicate<projected<iterator_t<_Range>, _Proj>, projected<iterator_t<_Range>, _Proj>>48 _Pred = ranges::equal_to>49 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range>50 operator()(_Range&& __range, _Pred __pred = {}, _Proj __proj = {}) const {51 return std::__adjacent_find(ranges::begin(__range), ranges::end(__range), __pred, __proj);52 }53};54 55inline namespace __cpo {56inline constexpr auto adjacent_find = __adjacent_find{};57} // namespace __cpo58} // namespace ranges59 60_LIBCPP_END_NAMESPACE_STD61 62#endif // _LIBCPP_STD_VER >= 2063 64_LIBCPP_POP_MACROS65 66#endif // _LIBCPP___ALGORITHM_RANGES_ADJACENT_FIND_H67