replace_if.h 991 B

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  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. #ifndef _LIBCPP___ALGORITHM_REPLACE_IF_H
  9. #define _LIBCPP___ALGORITHM_REPLACE_IF_H
  10. #include <__config>
  11. #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  12. # pragma GCC system_header
  13. #endif
  14. _LIBCPP_BEGIN_NAMESPACE_STD
  15. template <class _ForwardIterator, class _Predicate, class _Tp>
  16. inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
  17. replace_if(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred, const _Tp& __new_value) {
  18. for (; __first != __last; ++__first)
  19. if (__pred(*__first))
  20. *__first = __new_value;
  21. }
  22. _LIBCPP_END_NAMESPACE_STD
  23. #endif // _LIBCPP___ALGORITHM_REPLACE_IF_H