Warning: This file is not a C or C++ file. It does not have highlighting.
| 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___CXX03___ALGORITHM_SWAP_RANGES_H |
| 10 | #define _LIBCPP___CXX03___ALGORITHM_SWAP_RANGES_H |
| 11 | |
| 12 | #include <__cxx03/__algorithm/iterator_operations.h> |
| 13 | #include <__cxx03/__config> |
| 14 | #include <__cxx03/__utility/move.h> |
| 15 | #include <__cxx03/__utility/pair.h> |
| 16 | |
| 17 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 18 | # pragma GCC system_header |
| 19 | #endif |
| 20 | |
| 21 | _LIBCPP_PUSH_MACROS |
| 22 | #include <__cxx03/__undef_macros> |
| 23 | |
| 24 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 25 | |
| 26 | // 2+2 iterators: the shorter size will be used. |
| 27 | template <class _AlgPolicy, class _ForwardIterator1, class _Sentinel1, class _ForwardIterator2, class _Sentinel2> |
| 28 | _LIBCPP_HIDE_FROM_ABI pair<_ForwardIterator1, _ForwardIterator2> |
| 29 | __swap_ranges(_ForwardIterator1 __first1, _Sentinel1 __last1, _ForwardIterator2 __first2, _Sentinel2 __last2) { |
| 30 | while (__first1 != __last1 && __first2 != __last2) { |
| 31 | _IterOps<_AlgPolicy>::iter_swap(__first1, __first2); |
| 32 | ++__first1; |
| 33 | ++__first2; |
| 34 | } |
| 35 | |
| 36 | return pair<_ForwardIterator1, _ForwardIterator2>(std::move(__first1), std::move(__first2)); |
| 37 | } |
| 38 | |
| 39 | // 2+1 iterators: size2 >= size1. |
| 40 | template <class _AlgPolicy, class _ForwardIterator1, class _Sentinel1, class _ForwardIterator2> |
| 41 | _LIBCPP_HIDE_FROM_ABI pair<_ForwardIterator1, _ForwardIterator2> |
| 42 | __swap_ranges(_ForwardIterator1 __first1, _Sentinel1 __last1, _ForwardIterator2 __first2) { |
| 43 | while (__first1 != __last1) { |
| 44 | _IterOps<_AlgPolicy>::iter_swap(__first1, __first2); |
| 45 | ++__first1; |
| 46 | ++__first2; |
| 47 | } |
| 48 | |
| 49 | return pair<_ForwardIterator1, _ForwardIterator2>(std::move(__first1), std::move(__first2)); |
| 50 | } |
| 51 | |
| 52 | template <class _ForwardIterator1, class _ForwardIterator2> |
| 53 | inline _LIBCPP_HIDE_FROM_ABI _ForwardIterator2 |
| 54 | swap_ranges(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2) { |
| 55 | return std::__swap_ranges<_ClassicAlgPolicy>(std::move(__first1), std::move(__last1), std::move(__first2)).second; |
| 56 | } |
| 57 | |
| 58 | _LIBCPP_END_NAMESPACE_STD |
| 59 | |
| 60 | _LIBCPP_POP_MACROS |
| 61 | |
| 62 | #endif // _LIBCPP___CXX03___ALGORITHM_SWAP_RANGES_H |
| 63 |
Warning: This file is not a C or C++ file. It does not have highlighting.