xref: /llvm-project/libcxx/include/__algorithm/replace_if.h (revision 5aaefa510ef055e8f044ca89e352d4313f3aba49)
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_REPLACE_IF_H
10 #define _LIBCPP___ALGORITHM_REPLACE_IF_H
11 
12 #include <__config>
13 
14 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15 #  pragma GCC system_header
16 #  pragma clang include_instead(<algorithm>)
17 #endif
18 
19 _LIBCPP_BEGIN_NAMESPACE_STD
20 
21 template <class _ForwardIterator, class _Predicate, class _Tp>
22 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
23 void
24 replace_if(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred, const _Tp& __new_value)
25 {
26     for (; __first != __last; ++__first)
27         if (__pred(*__first))
28             *__first = __new_value;
29 }
30 
31 _LIBCPP_END_NAMESPACE_STD
32 
33 #endif // _LIBCPP___ALGORITHM_REPLACE_IF_H
34