include/__algorithm/replace_copy.h

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP___ALGORITHM_REPLACE_COPY_H
#define _LIBCPP___ALGORITHM_REPLACE_COPY_H

#include <__config>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#  pragma GCC system_header
#endif

_LIBCPP_BEGIN_NAMESPACE_STD

template <class _InputIterator, class _OutputIterator, class _Tp>
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator replace_copy(
    _InputIterator __first,
    _InputIterator __last,
    _OutputIterator __result,
    const _Tp& __old_value,
    const _Tp& __new_value) {
  for (; __first != __last; ++__first, (void)++__result)
    if (*__first == __old_value)
      *__result = __new_value;
    else
      *__result = *__first;
  return __result;
}

_LIBCPP_END_NAMESPACE_STD

#endif // _LIBCPP___ALGORITHM_REPLACE_COPY_H