v1/__algorithm/ranges_any_of.h

0001 //===----------------------------------------------------------------------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef _LIBCPP___ALGORITHM_RANGES_ANY_OF_H
0010 #define _LIBCPP___ALGORITHM_RANGES_ANY_OF_H
0011
0012 #include <__algorithm/any_of.h>
0013 #include <__config>
0014 #include <__functional/identity.h>
0015 #include <__iterator/concepts.h>
0016 #include <__iterator/projected.h>
0017 #include <__ranges/access.h>
0018 #include <__ranges/concepts.h>
0019 #include <__utility/move.h>
0020
0021 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0022 #  pragma GCC system_header
0023 #endif
0024
0025 _LIBCPP_PUSH_MACROS
0026 #include <__undef_macros>
0027
0028 #if _LIBCPP_STD_VER >= 20
0029
0030 _LIBCPP_BEGIN_NAMESPACE_STD
0031
0032 namespace ranges {
0033 struct __any_of {
0034   template <input_iterator _Iter,
0035             sentinel_for<_Iter> _Sent,
0036             class _Proj = identity,
0037             indirect_unary_predicate<projected<_Iter, _Proj>> _Pred>
0038   [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool
0039   operator()(_Iter __first, _Sent __last, _Pred __pred = {}, _Proj __proj = {}) const {
0040     return std::__any_of(std::move(__first), std::move(__last), __pred, __proj);
0041   }
0042
0043   template <input_range _Range,
0044             class _Proj = identity,
0045             indirect_unary_predicate<projected<iterator_t<_Range>, _Proj>> _Pred>
0046   [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool
0047   operator()(_Range&& __range, _Pred __pred, _Proj __proj = {}) const {
0048     return std::__any_of(ranges::begin(__range), ranges::end(__range), __pred, __proj);
0049   }
0050 };
0051
0052 inline namespace __cpo {
0053 inline constexpr auto any_of = __any_of{};
0054 } // namespace __cpo
0055 } // namespace ranges
0056
0057 _LIBCPP_END_NAMESPACE_STD
0058
0059 #endif // _LIBCPP_STD_VER >= 20
0060
0061 _LIBCPP_POP_MACROS
0062
0063 #endif // _LIBCPP___ALGORITHM_RANGES_ANY_OF_H