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
32namespace ranges {
33struct __none_of {
34 template <class _Iter, class _Sent, class _Proj, class _Pred>
35 constexpr static 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,
44 sentinel_for<_Iter> _Sent,
45 class _Proj = identity,
46 indirect_unary_predicate<projected<_Iter, _Proj>> _Pred>
47 [[nodiscard]] constexpr bool operator()(_Iter __first, _Sent __last, _Pred __pred = {}, _Proj __proj = {}) const {
48 return __none_of_impl(std::move(__first), std::move(__last), __pred, __proj);
49 }
50
51 template <input_range _Range,
52 class _Proj = identity,
53 indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred>
54 [[nodiscard]] constexpr bool operator()(_Range&& __range, _Pred __pred, _Proj __proj = {}) const {
55 return __none_of_impl(ranges::begin(__range), ranges::end(__range), __pred, __proj);
56 }
57};
58
59inline namespace __cpo {
60inline constexpr auto none_of = __none_of{};
61} // namespace __cpo
62} // namespace ranges
63
64_LIBCPP_END_NAMESPACE_STD
65
66#endif // _LIBCPP_STD_VER >= 20
67
68_LIBCPP_POP_MACROS
69
70#endif // _LIBCPP___ALGORITHM_RANGES_NONE_OF_H
71