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 #if _LIBCPP_STD_VER >= 20 30 31 _LIBCPP_BEGIN_NAMESPACE_STD 32 33 namespace ranges { 34 namespace __find_if_not { 35 struct __fn { 36 template <input_iterator _Ip, 37 sentinel_for<_Ip> _Sp, 38 class _Proj = identity, 39 indirect_unary_predicate<projected<_Ip, _Proj>> _Pred> 40 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr _Ip 41 operator()(_Ip __first, _Sp __last, _Pred __pred, _Proj __proj = {}) const { 42 auto __pred2 = [&](auto&& __e) { return !std::invoke(__pred, std::forward<decltype(__e)>(__e)); }; 43 return ranges::__find_if_impl(std::move(__first), std::move(__last), __pred2, __proj); 44 } 45 46 template <input_range _Rp, class _Proj = identity, indirect_unary_predicate<projected<iterator_t<_Rp>, _Proj>> _Pred> 47 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Rp> 48 operator()(_Rp&& __r, _Pred __pred, _Proj __proj = {}) const { 49 auto __pred2 = [&](auto&& __e) { return !std::invoke(__pred, std::forward<decltype(__e)>(__e)); }; 50 return ranges::__find_if_impl(ranges::begin(__r), ranges::end(__r), __pred2, __proj); 51 } 52 }; 53 } // namespace __find_if_not 54 55 inline namespace __cpo { 56 inline constexpr auto find_if_not = __find_if_not::__fn{}; 57 } // namespace __cpo 58 } // namespace ranges 59 60 _LIBCPP_END_NAMESPACE_STD 61 62 #endif // _LIBCPP_STD_VER >= 20 63 64 #endif // _LIBCPP___ALGORITHM_RANGES_FIND_IF_NOT_H 65