xref: /freebsd/contrib/llvm-project/libcxx/include/__algorithm/replace_copy.h (revision cb14a3fe5122c879eae1fb480ed7ce82a699ddb6)
1fe6060f1SDimitry Andric //===----------------------------------------------------------------------===//
2fe6060f1SDimitry Andric //
3fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6fe6060f1SDimitry Andric //
7fe6060f1SDimitry Andric //===----------------------------------------------------------------------===//
8fe6060f1SDimitry Andric 
9fe6060f1SDimitry Andric #ifndef _LIBCPP___ALGORITHM_REPLACE_COPY_H
10fe6060f1SDimitry Andric #define _LIBCPP___ALGORITHM_REPLACE_COPY_H
11fe6060f1SDimitry Andric 
12fe6060f1SDimitry Andric #include <__config>
13fe6060f1SDimitry Andric 
14fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
15fe6060f1SDimitry Andric #  pragma GCC system_header
16fe6060f1SDimitry Andric #endif
17fe6060f1SDimitry Andric 
18fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD
19fe6060f1SDimitry Andric 
20fe6060f1SDimitry Andric template <class _InputIterator, class _OutputIterator, class _Tp>
21*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator replace_copy(
22*cb14a3feSDimitry Andric     _InputIterator __first,
23*cb14a3feSDimitry Andric     _InputIterator __last,
24*cb14a3feSDimitry Andric     _OutputIterator __result,
25*cb14a3feSDimitry Andric     const _Tp& __old_value,
26*cb14a3feSDimitry Andric     const _Tp& __new_value) {
27fe6060f1SDimitry Andric   for (; __first != __last; ++__first, (void)++__result)
28fe6060f1SDimitry Andric     if (*__first == __old_value)
29fe6060f1SDimitry Andric       *__result = __new_value;
30fe6060f1SDimitry Andric     else
31fe6060f1SDimitry Andric       *__result = *__first;
32fe6060f1SDimitry Andric   return __result;
33fe6060f1SDimitry Andric }
34fe6060f1SDimitry Andric 
35fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD
36fe6060f1SDimitry Andric 
37fe6060f1SDimitry Andric #endif // _LIBCPP___ALGORITHM_REPLACE_COPY_H
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