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 #if _LIBCPP_STD_VER > 17
26 
27 _LIBCPP_BEGIN_NAMESPACE_STD
28 
29 namespace ranges {
30 namespace __none_of {
31 struct __fn {
32 
33   template <class _Iter, class _Sent, class _Proj, class _Pred>
34   _LIBCPP_HIDE_FROM_ABI constexpr static
35   bool __none_of_impl(_Iter __first, _Sent __last, _Pred& __pred, _Proj& __proj) {
36     for (; __first != __last; ++__first) {
37       if (std::invoke(__pred, std::invoke(__proj, *__first)))
38         return false;
39     }
40     return true;
41   }
42 
43   template <input_iterator _Iter, sentinel_for<_Iter> _Sent, class _Proj = identity,
44             indirect_unary_predicate<projected<_Iter, _Proj>> _Pred>
45   _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr
46   bool operator()(_Iter __first, _Sent __last, _Pred __pred = {}, _Proj __proj = {}) const {
47     return __none_of_impl(std::move(__first), std::move(__last), __pred, __proj);
48   }
49 
50   template <input_range _Range, class _Proj = identity,
51             indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred>
52   _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr
53   bool operator()(_Range&& __range, _Pred __pred, _Proj __proj = {}) const {
54     return __none_of_impl(ranges::begin(__range), ranges::end(__range), __pred, __proj);
55   }
56 };
57 } // namespace __none_of
58 
59 inline namespace __cpo {
60   inline constexpr auto none_of = __none_of::__fn{};
61 } // namespace __cpo
62 } // namespace ranges
63 
64 _LIBCPP_END_NAMESPACE_STD
65 
66 #endif // _LIBCPP_STD_VER > 17
67 
68 #endif // _LIBCPP___ALGORITHM_RANGES_NONE_OF_H
69