xref: /llvm-project/libcxx/include/__algorithm/ranges_any_of.h (revision eab7be5d42ad30c9992ff72c3be9298702001dc8)
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_ANY_OF_H
10 #define _LIBCPP___ALGORITHM_RANGES_ANY_OF_H
11 
12 #include <__algorithm/any_of.h>
13 #include <__config>
14 #include <__functional/identity.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 __any_of {
34   template <input_iterator _Iter,
35             sentinel_for<_Iter> _Sent,
36             class _Proj = identity,
37             indirect_unary_predicate<projected<_Iter, _Proj>> _Pred>
38   [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool
39   operator()(_Iter __first, _Sent __last, _Pred __pred = {}, _Proj __proj = {}) const {
40     return std::__any_of(std::move(__first), std::move(__last), __pred, __proj);
41   }
42 
43   template <input_range _Range,
44             class _Proj = identity,
45             indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred>
46   [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool
47   operator()(_Range&& __range, _Pred __pred, _Proj __proj = {}) const {
48     return std::__any_of(ranges::begin(__range), ranges::end(__range), __pred, __proj);
49   }
50 };
51 
52 inline namespace __cpo {
53 inline constexpr auto any_of = __any_of{};
54 } // namespace __cpo
55 } // namespace ranges
56 
57 _LIBCPP_END_NAMESPACE_STD
58 
59 #endif // _LIBCPP_STD_VER >= 20
60 
61 _LIBCPP_POP_MACROS
62 
63 #endif // _LIBCPP___ALGORITHM_RANGES_ANY_OF_H
64