diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2023-12-25 17:35:41 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2024-04-06 20:13:06 +0000 |
commit | cb14a3fe5122c879eae1fb480ed7ce82a699ddb6 (patch) | |
tree | b983a613c35ece61d561b5a9ef9cd66419f6c7fb /contrib/llvm-project/libcxx/include/__algorithm/reverse.h | |
parent | 3d68ee6cbdb244de9fab1df8a2525d2fa592571e (diff) | |
parent | 99aabd70801bd4bc72c4942747f6d62c675112f5 (diff) |
Diffstat (limited to 'contrib/llvm-project/libcxx/include/__algorithm/reverse.h')
-rw-r--r-- | contrib/llvm-project/libcxx/include/__algorithm/reverse.h | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/contrib/llvm-project/libcxx/include/__algorithm/reverse.h b/contrib/llvm-project/libcxx/include/__algorithm/reverse.h index 86634520aa26..6bd0aa393280 100644 --- a/contrib/llvm-project/libcxx/include/__algorithm/reverse.h +++ b/contrib/llvm-project/libcxx/include/__algorithm/reverse.h @@ -22,41 +22,33 @@ _LIBCPP_BEGIN_NAMESPACE_STD template <class _AlgPolicy, class _BidirectionalIterator> -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -void -__reverse_impl(_BidirectionalIterator __first, _BidirectionalIterator __last, bidirectional_iterator_tag) -{ - while (__first != __last) - { - if (__first == --__last) - break; - _IterOps<_AlgPolicy>::iter_swap(__first, __last); - ++__first; - } +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void +__reverse_impl(_BidirectionalIterator __first, _BidirectionalIterator __last, bidirectional_iterator_tag) { + while (__first != __last) { + if (__first == --__last) + break; + _IterOps<_AlgPolicy>::iter_swap(__first, __last); + ++__first; + } } template <class _AlgPolicy, class _RandomAccessIterator> -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -void -__reverse_impl(_RandomAccessIterator __first, _RandomAccessIterator __last, random_access_iterator_tag) -{ - if (__first != __last) - for (; __first < --__last; ++__first) - _IterOps<_AlgPolicy>::iter_swap(__first, __last); +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void +__reverse_impl(_RandomAccessIterator __first, _RandomAccessIterator __last, random_access_iterator_tag) { + if (__first != __last) + for (; __first < --__last; ++__first) + _IterOps<_AlgPolicy>::iter_swap(__first, __last); } template <class _AlgPolicy, class _BidirectionalIterator, class _Sentinel> -_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -void __reverse(_BidirectionalIterator __first, _Sentinel __last) { +_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __reverse(_BidirectionalIterator __first, _Sentinel __last) { using _IterCategory = typename _IterOps<_AlgPolicy>::template __iterator_category<_BidirectionalIterator>; std::__reverse_impl<_AlgPolicy>(std::move(__first), std::move(__last), _IterCategory()); } template <class _BidirectionalIterator> -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -void -reverse(_BidirectionalIterator __first, _BidirectionalIterator __last) -{ +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void +reverse(_BidirectionalIterator __first, _BidirectionalIterator __last) { std::__reverse<_ClassicAlgPolicy>(std::move(__first), std::move(__last)); } |