xref: /freebsd/contrib/llvm-project/libcxx/include/__algorithm/replace.h (revision 02e9120893770924227138ba49df1edb3896112a)
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_H
10 #define _LIBCPP___ALGORITHM_REPLACE_H
11 
12 #include <__config>
13 
14 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15 #  pragma GCC system_header
16 #endif
17 
18 _LIBCPP_BEGIN_NAMESPACE_STD
19 
20 template <class _ForwardIterator, class _Tp>
21 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
22 void
23 replace(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __old_value, const _Tp& __new_value)
24 {
25     for (; __first != __last; ++__first)
26         if (*__first == __old_value)
27             *__first = __new_value;
28 }
29 
30 _LIBCPP_END_NAMESPACE_STD
31 
32 #endif // _LIBCPP___ALGORITHM_REPLACE_H
33