libcxx/include/__algorithm/ranges_any_of.h

   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