[rtsan] Remove mkfifoat interceptor (#116997)
[llvm-project.git] / libcxx / include / __cxx03 / __algorithm / ranges_is_partitioned.h
blob87d59d0410fe5003c0a65dae0262baed6b1bf7d3
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 //===----------------------------------------------------------------------===//
9 #ifndef _LIBCPP___ALGORITHM_RANGES_IS_PARTITIONED_H
10 #define _LIBCPP___ALGORITHM_RANGES_IS_PARTITIONED_H
12 #include <__cxx03/__config>
13 #include <__cxx03/__functional/identity.h>
14 #include <__cxx03/__functional/invoke.h>
15 #include <__cxx03/__iterator/concepts.h>
16 #include <__cxx03/__iterator/indirectly_comparable.h>
17 #include <__cxx03/__iterator/projected.h>
18 #include <__cxx03/__ranges/access.h>
19 #include <__cxx03/__ranges/concepts.h>
20 #include <__cxx03/__utility/move.h>
22 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
23 # pragma GCC system_header
24 #endif
26 _LIBCPP_PUSH_MACROS
27 #include <__cxx03/__undef_macros>
29 #if _LIBCPP_STD_VER >= 20
31 _LIBCPP_BEGIN_NAMESPACE_STD
33 namespace ranges {
34 namespace __is_partitioned {
35 struct __fn {
36 template <class _Iter, class _Sent, class _Proj, class _Pred>
37 _LIBCPP_HIDE_FROM_ABI constexpr static bool
38 __is_partitioned_impl(_Iter __first, _Sent __last, _Pred& __pred, _Proj& __proj) {
39 for (; __first != __last; ++__first) {
40 if (!std::invoke(__pred, std::invoke(__proj, *__first)))
41 break;
44 if (__first == __last)
45 return true;
46 ++__first;
48 for (; __first != __last; ++__first) {
49 if (std::invoke(__pred, std::invoke(__proj, *__first)))
50 return false;
53 return true;
56 template <input_iterator _Iter,
57 sentinel_for<_Iter> _Sent,
58 class _Proj = identity,
59 indirect_unary_predicate<projected<_Iter, _Proj>> _Pred>
60 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool
61 operator()(_Iter __first, _Sent __last, _Pred __pred, _Proj __proj = {}) const {
62 return __is_partitioned_impl(std::move(__first), std::move(__last), __pred, __proj);
65 template <input_range _Range,
66 class _Proj = identity,
67 indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred>
68 [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool
69 operator()(_Range&& __range, _Pred __pred, _Proj __proj = {}) const {
70 return __is_partitioned_impl(ranges::begin(__range), ranges::end(__range), __pred, __proj);
73 } // namespace __is_partitioned
75 inline namespace __cpo {
76 inline constexpr auto is_partitioned = __is_partitioned::__fn{};
77 } // namespace __cpo
78 } // namespace ranges
80 _LIBCPP_END_NAMESPACE_STD
82 #endif // _LIBCPP_STD_VER >= 20
84 _LIBCPP_POP_MACROS
86 #endif // _LIBCPP___ALGORITHM_RANGES_IS_PARTITIONED_H