xref: /freebsd/contrib/llvm-project/libcxx/include/__algorithm/rotate_copy.h (revision 60d0871dbfbebe20a9e24c1b4c659cfe841154c1)
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_ROTATE_COPY_H
10  #define _LIBCPP___ALGORITHM_ROTATE_COPY_H
11  
12  #include <__algorithm/copy.h>
13  #include <__config>
14  
15  #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
16  #  pragma GCC system_header
17  #endif
18  
19  _LIBCPP_BEGIN_NAMESPACE_STD
20  
21  template <class _ForwardIterator, class _OutputIterator>
22  inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
23  _OutputIterator
24  rotate_copy(_ForwardIterator __first, _ForwardIterator __middle, _ForwardIterator __last, _OutputIterator __result)
25  {
26      return _VSTD::copy(__first, __middle, _VSTD::copy(__middle, __last, __result));
27  }
28  
29  _LIBCPP_END_NAMESPACE_STD
30  
31  #endif // _LIBCPP___ALGORITHM_ROTATE_COPY_H
32