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 <__config>
13 #include <__algorithm/copy.h>
14 #include <iterator>
15 #include <type_traits>
16 
17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18 #pragma GCC system_header
19 #endif
20 
21 _LIBCPP_PUSH_MACROS
22 #include <__undef_macros>
23 
24 _LIBCPP_BEGIN_NAMESPACE_STD
25 
26 template <class _ForwardIterator, class _OutputIterator>
27 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
28 _OutputIterator
29 rotate_copy(_ForwardIterator __first, _ForwardIterator __middle, _ForwardIterator __last, _OutputIterator __result)
30 {
31     return _VSTD::copy(__first, __middle, _VSTD::copy(__middle, __last, __result));
32 }
33 
34 _LIBCPP_END_NAMESPACE_STD
35 
36 _LIBCPP_POP_MACROS
37 
38 #endif // _LIBCPP___ALGORITHM_ROTATE_COPY_H
39