v1/__algorithm/rotate_copy.h

0001 //===----------------------------------------------------------------------===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef _LIBCPP___ALGORITHM_ROTATE_COPY_H
0010 #define _LIBCPP___ALGORITHM_ROTATE_COPY_H
0011
0012 #include <__algorithm/copy.h>
0013 #include <__config>
0014
0015 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0016 #  pragma GCC system_header
0017 #endif
0018
0019 _LIBCPP_BEGIN_NAMESPACE_STD
0020
0021 template <class _ForwardIterator, class _OutputIterator>
0022 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _OutputIterator
0023 rotate_copy(_ForwardIterator __first, _ForwardIterator __middle, _ForwardIterator __last, _OutputIterator __result) {
0024   return std::copy(__first, __middle, std::copy(__middle, __last, __result));
0025 }
0026
0027 _LIBCPP_END_NAMESPACE_STD
0028
0029 #endif // _LIBCPP___ALGORITHM_ROTATE_COPY_H