xref: /freebsd/contrib/llvm-project/libcxx/include/__algorithm/rotate_copy.h (revision 5e801ac66d24704442eba426ed13c3effb8a34e7)
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_BEGIN_NAMESPACE_STD
22 
23 template <class _ForwardIterator, class _OutputIterator>
24 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
25 _OutputIterator
26 rotate_copy(_ForwardIterator __first, _ForwardIterator __middle, _ForwardIterator __last, _OutputIterator __result)
27 {
28     return _VSTD::copy(__first, __middle, _VSTD::copy(__middle, __last, __result));
29 }
30 
31 _LIBCPP_END_NAMESPACE_STD
32 
33 #endif // _LIBCPP___ALGORITHM_ROTATE_COPY_H
34