xref: /freebsd/contrib/llvm-project/libcxx/include/__algorithm/replace.h (revision ab71bbb75a92412f6327ff152ebe638568e9021c)
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_PUSH_MACROS
19  #include <__undef_macros>
20  
21  _LIBCPP_BEGIN_NAMESPACE_STD
22  
23  template <class _ForwardIterator, class _Tp>
24  inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
25  void
26  replace(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __old_value, const _Tp& __new_value)
27  {
28      for (; __first != __last; ++__first)
29          if (*__first == __old_value)
30              *__first = __new_value;
31  }
32  
33  _LIBCPP_END_NAMESPACE_STD
34  
35  _LIBCPP_POP_MACROS
36  
37  #endif // _LIBCPP___ALGORITHM_REPLACE_H
38