xref: /llvm-project/libcxx/include/__algorithm/any_of.h (revision eab7be5d42ad30c9992ff72c3be9298702001dc8)
1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef _LIBCPP___ALGORITHM_ANY_OF_H
11 #define _LIBCPP___ALGORITHM_ANY_OF_H
12 
13 #include <__config>
14 #include <__functional/identity.h>
15 #include <__type_traits/invoke.h>
16 
17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18 #  pragma GCC system_header
19 #endif
20 
21 _LIBCPP_BEGIN_NAMESPACE_STD
22 
23 template <class _Iter, class _Sent, class _Proj, class _Pred>
24 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool
25 __any_of(_Iter __first, _Sent __last, _Pred& __pred, _Proj& __proj) {
26   for (; __first != __last; ++__first) {
27     if (std::__invoke(__pred, std::__invoke(__proj, *__first)))
28       return true;
29   }
30   return false;
31 }
32 
33 template <class _InputIterator, class _Predicate>
34 [[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool
35 any_of(_InputIterator __first, _InputIterator __last, _Predicate __pred) {
36   __identity __proj;
37   return std::__any_of(__first, __last, __pred, __proj);
38 }
39 
40 _LIBCPP_END_NAMESPACE_STD
41 
42 #endif // _LIBCPP___ALGORITHM_ANY_OF_H
43