reverse_copy.h 996 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_REVERSE_COPY_H
  9. #define _LIBCPP___ALGORITHM_REVERSE_COPY_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 _BidirectionalIterator, class _OutputIterator>
  16. inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator
  17. reverse_copy(_BidirectionalIterator __first, _BidirectionalIterator __last, _OutputIterator __result) {
  18. for (; __first != __last; ++__result)
  19. *__result = *--__last;
  20. return __result;
  21. }
  22. _LIBCPP_END_NAMESPACE_STD
  23. #endif // _LIBCPP___ALGORITHM_REVERSE_COPY_H