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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___ALGORITHM_RANGES_FIND_IF_NOT_H 10 #define _LIBCPP___ALGORITHM_RANGES_FIND_IF_NOT_H 11 12 #include <__algorithm/ranges_find_if.h> 13 #include <__config> 14 #include <__functional/identity.h> 15 #include <__functional/invoke.h> 16 #include <__functional/ranges_operations.h> 17 #include <__iterator/concepts.h> 18 #include <__iterator/projected.h> 19 #include <__ranges/access.h> 20 #include <__ranges/concepts.h> 21 #include <__ranges/dangling.h> 22 #include <__utility/forward.h> 23 #include <__utility/move.h> 24 25 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 26 # pragma GCC system_header 27 #endif 28 29 _LIBCPP_PUSH_MACROS 30 #include <__undef_macros> 31 32 #if _LIBCPP_STD_VER >= 20 33 34 _LIBCPP_BEGIN_NAMESPACE_STD 35 36 namespace ranges { 37 namespace __find_if_not { 38 struct __fn { 39 template <input_iterator _Ip, 40 sentinel_for<_Ip> _Sp, 41 class _Proj = identity, 42 indirect_unary_predicate<projected<_Ip, _Proj>> _Pred> 43 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr _Ip operator__fn44 operator()(_Ip __first, _Sp __last, _Pred __pred, _Proj __proj = {}) const { 45 auto __pred2 = [&](auto&& __e) -> bool { return !std::invoke(__pred, std::forward<decltype(__e)>(__e)); }; 46 return ranges::__find_if_impl(std::move(__first), std::move(__last), __pred2, __proj); 47 } 48 49 template <input_range _Rp, class _Proj = identity, indirect_unary_predicate<projected<iterator_t<_Rp>, _Proj>> _Pred> 50 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Rp> operator__fn51 operator()(_Rp&& __r, _Pred __pred, _Proj __proj = {}) const { 52 auto __pred2 = [&](auto&& __e) -> bool { return !std::invoke(__pred, std::forward<decltype(__e)>(__e)); }; 53 return ranges::__find_if_impl(ranges::begin(__r), ranges::end(__r), __pred2, __proj); 54 } 55 }; 56 } // namespace __find_if_not 57 58 inline namespace __cpo { 59 inline constexpr auto find_if_not = __find_if_not::__fn{}; 60 } // namespace __cpo 61 } // namespace ranges 62 63 _LIBCPP_END_NAMESPACE_STD 64 65 #endif // _LIBCPP_STD_VER >= 20 66 67 _LIBCPP_POP_MACROS 68 69 #endif // _LIBCPP___ALGORITHM_RANGES_FIND_IF_NOT_H 70