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_COPY_H
10#define _LIBCPP___ALGORITHM_REPLACE_COPY_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
20template <class _InputIterator, class _OutputIterator, class _Tp>
21inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
22_OutputIterator
23replace_copy(_InputIterator __first, _InputIterator __last, _OutputIterator __result,
24             const _Tp& __old_value, const _Tp& __new_value)
25{
26    for (; __first != __last; ++__first, (void) ++__result)
27        if (*__first == __old_value)
28            *__result = __new_value;
29        else
30            *__result = *__first;
31    return __result;
32}
33
34_LIBCPP_END_NAMESPACE_STD
35
36#endif // _LIBCPP___ALGORITHM_REPLACE_COPY_H
37