v1/__algorithm/any_of.h

0001 // -*- C++ -*-
0002 //===----------------------------------------------------------------------===//
0003 //
0004 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0005 // See https://llvm.org/LICENSE.txt for license information.
0006 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0007 //
0008 //===----------------------------------------------------------------------===//
0009
0010 #ifndef _LIBCPP___ALGORITHM_ANY_OF_H
0011 #define _LIBCPP___ALGORITHM_ANY_OF_H
0012
0013 #include <__config>
0014 #include <__functional/identity.h>
0015 #include <__type_traits/invoke.h>
0016
0017 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0018 #  pragma GCC system_header
0019 #endif
0020
0021 _LIBCPP_BEGIN_NAMESPACE_STD
0022
0023 template <class _Iter, class _Sent, class _Proj, class _Pred>
0024 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool
0025 __any_of(_Iter __first, _Sent __last, _Pred& __pred, _Proj& __proj) {
0026   for (; __first != __last; ++__first) {
0027     if (std::__invoke(__pred, std::__invoke(__proj, *__first)))
0028       return true;
0029   }
0030   return false;
0031 }
0032
0033 template <class _InputIterator, class _Predicate>
0034 [[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool
0035 any_of(_InputIterator __first, _InputIterator __last, _Predicate __pred) {
0036   __identity __proj;
0037   return std::__any_of(__first, __last, __pred, __proj);
0038 }
0039
0040 _LIBCPP_END_NAMESPACE_STD
0041
0042 #endif // _LIBCPP___ALGORITHM_ANY_OF_H