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comparison libcxx/include/__algorithm/ranges_rotate_copy.h @ 252:1f2b6ac9f198 llvm-original

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LLVM16-1
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 18 Aug 2023 09:04:13 +0900
parents c4bab56944e8
children
comparison
equal deleted inserted replaced
237:c80f45b162ad 252:1f2b6ac9f198
21 21
22 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 22 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
23 # pragma GCC system_header 23 # pragma GCC system_header
24 #endif 24 #endif
25 25
26 #if _LIBCPP_STD_VER > 17 26 #if _LIBCPP_STD_VER >= 20
27 27
28 _LIBCPP_BEGIN_NAMESPACE_STD 28 _LIBCPP_BEGIN_NAMESPACE_STD
29 29
30 namespace ranges { 30 namespace ranges {
31 31
32 template <class _InIter, class _OutIter> 32 template <class _InIter, class _OutIter>
33 using rotate_copy_result = in_out_result<_InIter, _OutIter>; 33 using rotate_copy_result = in_out_result<_InIter, _OutIter>;
34 34
35 namespace __rotate_copy { 35 namespace __rotate_copy {
36 struct __fn { 36 struct __fn {
37
38 template <bidirectional_iterator _InIter, sentinel_for<_InIter> _Sent, weakly_incrementable _OutIter> 37 template <bidirectional_iterator _InIter, sentinel_for<_InIter> _Sent, weakly_incrementable _OutIter>
39 requires indirectly_copyable<_InIter, _OutIter> 38 requires indirectly_copyable<_InIter, _OutIter>
40 _LIBCPP_HIDE_FROM_ABI constexpr 39 _LIBCPP_HIDE_FROM_ABI constexpr rotate_copy_result<_InIter, _OutIter>
41 rotate_copy_result<_InIter, _OutIter>
42 operator()(_InIter __first, _InIter __middle, _Sent __last, _OutIter __result) const { 40 operator()(_InIter __first, _InIter __middle, _Sent __last, _OutIter __result) const {
43 auto __res1 = ranges::copy(__middle, __last, std::move(__result)); 41 auto __res1 = ranges::copy(__middle, __last, std::move(__result));
44 auto __res2 = ranges::copy(__first, __middle, std::move(__res1.out)); 42 auto __res2 = ranges::copy(__first, __middle, std::move(__res1.out));
45 return {std::move(__res1.in), std::move(__res2.out)}; 43 return {std::move(__res1.in), std::move(__res2.out)};
46 } 44 }
47 45
48 template <bidirectional_range _Range, weakly_incrementable _OutIter> 46 template <bidirectional_range _Range, weakly_incrementable _OutIter>
49 requires indirectly_copyable<iterator_t<_Range>, _OutIter> 47 requires indirectly_copyable<iterator_t<_Range>, _OutIter>
50 _LIBCPP_HIDE_FROM_ABI constexpr 48 _LIBCPP_HIDE_FROM_ABI constexpr rotate_copy_result<borrowed_iterator_t<_Range>, _OutIter>
51 rotate_copy_result<borrowed_iterator_t<_Range>, _OutIter>
52 operator()(_Range&& __range, iterator_t<_Range> __middle, _OutIter __result) const { 49 operator()(_Range&& __range, iterator_t<_Range> __middle, _OutIter __result) const {
53 return (*this)(ranges::begin(__range), std::move(__middle), ranges::end(__range), std::move(__result)); 50 return (*this)(ranges::begin(__range), std::move(__middle), ranges::end(__range), std::move(__result));
54 } 51 }
55
56 }; 52 };
57 } // namespace __rotate_copy 53 } // namespace __rotate_copy
58 54
59 inline namespace __cpo { 55 inline namespace __cpo {
60 inline constexpr auto rotate_copy = __rotate_copy::__fn{}; 56 inline constexpr auto rotate_copy = __rotate_copy::__fn{};
61 } // namespace __cpo 57 } // namespace __cpo
62 } // namespace ranges 58 } // namespace ranges
63 59
64 _LIBCPP_END_NAMESPACE_STD 60 _LIBCPP_END_NAMESPACE_STD
65 61
66 #endif // _LIBCPP_STD_VER > 17 62 #endif // _LIBCPP_STD_VER >= 20
67 63
68 #endif // _LIBCPP___ALGORITHM_RANGES_ROTATE_COPY_H 64 #endif // _LIBCPP___ALGORITHM_RANGES_ROTATE_COPY_H