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_NONE_OF_H 10 #define _LIBCPP___ALGORITHM_RANGES_NONE_OF_H 11 12 #include <__config> 13 #include <__functional/identity.h> 14 #include <__functional/invoke.h> 15 #include <__iterator/concepts.h> 16 #include <__iterator/projected.h> 17 #include <__ranges/access.h> 18 #include <__ranges/concepts.h> 19 #include <__utility/move.h> 20 21 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 22 # pragma GCC system_header 23 #endif 24 25 _LIBCPP_PUSH_MACROS 26 #include <__undef_macros> 27 28 #if _LIBCPP_STD_VER >= 20 29 30 _LIBCPP_BEGIN_NAMESPACE_STD 31 32 namespace ranges { 33 struct __none_of { 34 template <class _Iter, class _Sent, class _Proj, class _Pred> 35 _LIBCPP_HIDE_FROM_ABI constexpr static bool 36 __none_of_impl(_Iter __first, _Sent __last, _Pred& __pred, _Proj& __proj) { 37 for (; __first != __last; ++__first) { 38 if (std::invoke(__pred, std::invoke(__proj, *__first))) 39 return false; 40 } 41 return true; 42 } 43 44 template <input_iterator _Iter, 45 sentinel_for<_Iter> _Sent, 46 class _Proj = identity, 47 indirect_unary_predicate<projected<_Iter, _Proj>> _Pred> 48 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool 49 operator()(_Iter __first, _Sent __last, _Pred __pred = {}, _Proj __proj = {}) const { 50 return __none_of_impl(std::move(__first), std::move(__last), __pred, __proj); 51 } 52 53 template <input_range _Range, 54 class _Proj = identity, 55 indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred> 56 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool 57 operator()(_Range&& __range, _Pred __pred, _Proj __proj = {}) const { 58 return __none_of_impl(ranges::begin(__range), ranges::end(__range), __pred, __proj); 59 } 60 }; 61 62 inline namespace __cpo { 63 inline constexpr auto none_of = __none_of{}; 64 } // namespace __cpo 65 } // namespace ranges 66 67 _LIBCPP_END_NAMESPACE_STD 68 69 #endif // _LIBCPP_STD_VER >= 20 70 71 _LIBCPP_POP_MACROS 72 73 #endif // _LIBCPP___ALGORITHM_RANGES_NONE_OF_H 74