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comparison libcxx/include/__algorithm/ranges_mismatch.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
25 # pragma GCC system_header 25 # pragma GCC system_header
26 #endif 26 #endif
27 27
28 _LIBCPP_BEGIN_NAMESPACE_STD 28 _LIBCPP_BEGIN_NAMESPACE_STD
29 29
30 #if _LIBCPP_STD_VER > 17 30 #if _LIBCPP_STD_VER >= 20
31 31
32 namespace ranges { 32 namespace ranges {
33 33
34 template <class _I1, class _I2> 34 template <class _I1, class _I2>
35 using mismatch_result = in_in_result<_I1, _I2>; 35 using mismatch_result = in_in_result<_I1, _I2>;
36 36
37 namespace __mismatch { 37 namespace __mismatch {
38 struct __fn { 38 struct __fn {
39 template <class _I1, class _S1, class _I2, class _S2, 39 template <class _I1, class _S1, class _I2, class _S2, class _Pred, class _Proj1, class _Proj2>
40 class _Pred, class _Proj1, class _Proj2> 40 static _LIBCPP_HIDE_FROM_ABI constexpr mismatch_result<_I1, _I2>
41 static _LIBCPP_HIDE_FROM_ABI constexpr 41 __go(_I1 __first1, _S1 __last1, _I2 __first2, _S2 __last2, _Pred& __pred, _Proj1& __proj1, _Proj2& __proj2) {
42 mismatch_result<_I1, _I2>
43 __go(_I1 __first1, _S1 __last1, _I2 __first2, _S2 __last2,
44 _Pred& __pred, _Proj1& __proj1, _Proj2& __proj2) {
45 while (__first1 != __last1 && __first2 != __last2) { 42 while (__first1 != __last1 && __first2 != __last2) {
46 if (!std::invoke(__pred, std::invoke(__proj1, *__first1), std::invoke(__proj2, *__first2))) 43 if (!std::invoke(__pred, std::invoke(__proj1, *__first1), std::invoke(__proj2, *__first2)))
47 break; 44 break;
48 ++__first1; 45 ++__first1;
49 ++__first2; 46 ++__first2;
50 } 47 }
51 return {std::move(__first1), std::move(__first2)}; 48 return {std::move(__first1), std::move(__first2)};
52 } 49 }
53 50
54 template <input_iterator _I1, sentinel_for<_I1> _S1, 51 template <input_iterator _I1,
55 input_iterator _I2, sentinel_for<_I2> _S2, 52 sentinel_for<_I1> _S1,
56 class _Pred = ranges::equal_to, class _Proj1 = identity, class _Proj2 = identity> 53 input_iterator _I2,
54 sentinel_for<_I2> _S2,
55 class _Pred = ranges::equal_to,
56 class _Proj1 = identity,
57 class _Proj2 = identity>
57 requires indirectly_comparable<_I1, _I2, _Pred, _Proj1, _Proj2> 58 requires indirectly_comparable<_I1, _I2, _Pred, _Proj1, _Proj2>
58 _LIBCPP_HIDE_FROM_ABI constexpr 59 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr mismatch_result<_I1, _I2> operator()(
59 mismatch_result<_I1, _I2> operator()(_I1 __first1, _S1 __last1, _I2 __first2, _S2 __last2, 60 _I1 __first1, _S1 __last1, _I2 __first2, _S2 __last2, _Pred __pred = {}, _Proj1 __proj1 = {}, _Proj2 __proj2 = {})
60 _Pred __pred = {}, _Proj1 __proj1 = {}, _Proj2 __proj2 = {}) const { 61 const {
61 return __go(std::move(__first1), __last1, std::move(__first2), __last2, __pred, __proj1, __proj2); 62 return __go(std::move(__first1), __last1, std::move(__first2), __last2, __pred, __proj1, __proj2);
62 } 63 }
63 64
64 template <input_range _R1, input_range _R2, 65 template <input_range _R1,
65 class _Pred = ranges::equal_to, class _Proj1 = identity, class _Proj2 = identity> 66 input_range _R2,
67 class _Pred = ranges::equal_to,
68 class _Proj1 = identity,
69 class _Proj2 = identity>
66 requires indirectly_comparable<iterator_t<_R1>, iterator_t<_R2>, _Pred, _Proj1, _Proj2> 70 requires indirectly_comparable<iterator_t<_R1>, iterator_t<_R2>, _Pred, _Proj1, _Proj2>
67 _LIBCPP_HIDE_FROM_ABI constexpr 71 _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr mismatch_result<borrowed_iterator_t<_R1>,
68 mismatch_result<borrowed_iterator_t<_R1>, borrowed_iterator_t<_R2>> 72 borrowed_iterator_t<_R2>>
69 operator()(_R1&& __r1, _R2&& __r2, _Pred __pred = {}, _Proj1 __proj1 = {}, _Proj2 __proj2 = {}) const { 73 operator()(_R1&& __r1, _R2&& __r2, _Pred __pred = {}, _Proj1 __proj1 = {}, _Proj2 __proj2 = {}) const {
70 return __go(ranges::begin(__r1), ranges::end(__r1), ranges::begin(__r2), ranges::end(__r2), 74 return __go(
71 __pred, __proj1, __proj2); 75 ranges::begin(__r1), ranges::end(__r1), ranges::begin(__r2), ranges::end(__r2), __pred, __proj1, __proj2);
72 } 76 }
73 }; 77 };
74 } // namespace __mismatch 78 } // namespace __mismatch
75 79
76 inline namespace __cpo { 80 inline namespace __cpo {
77 constexpr inline auto mismatch = __mismatch::__fn{}; 81 constexpr inline auto mismatch = __mismatch::__fn{};
78 } // namespace __cpo 82 } // namespace __cpo
79 } // namespace ranges 83 } // namespace ranges
80 84
81 #endif // _LIBCPP_STD_VER > 17 85 #endif // _LIBCPP_STD_VER >= 20
82 86
83 _LIBCPP_END_NAMESPACE_STD 87 _LIBCPP_END_NAMESPACE_STD
84 88
85 #endif // _LIBCPP___ALGORITHM_RANGES_MISMATCH_H 89 #endif // _LIBCPP___ALGORITHM_RANGES_MISMATCH_H