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| author | hiddenpath <hiddenpath@yandex-team.com> | 2024-02-21 23:16:42 +0300 |
|---|---|---|
| committer | hiddenpath <hiddenpath@yandex-team.com> | 2024-02-21 23:33:25 +0300 |
| commit | 9052eb5cc304b8da8885fc4e3364ebddc16945f3 (patch) | |
| tree | 3c252f6161dd0745c7732d74c9304c000645ab47 /contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_find.h | |
| parent | f5eb715f103692e7c7536e13bef3f281fd78e5e7 (diff) | |
| download | ydb-9052eb5cc304b8da8885fc4e3364ebddc16945f3.tar.gz | |
Update libcxx to llvmorg-17.0.6
Update libcxx to llvmorg-17.0.6
c871ef572c71b4fef22d4a9e65bcebc57e625aea
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_find.h')
| -rw-r--r-- | contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_find.h | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_find.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_find.h index 580c2a14c9..de870e3811 100644 --- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_find.h +++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/ranges_find.h @@ -9,7 +9,9 @@ #ifndef _LIBCPP___ALGORITHM_RANGES_FIND_H #define _LIBCPP___ALGORITHM_RANGES_FIND_H +#include <__algorithm/find.h> #include <__algorithm/ranges_find_if.h> +#include <__algorithm/unwrap_range.h> #include <__config> #include <__functional/identity.h> #include <__functional/invoke.h> @@ -26,38 +28,48 @@ # pragma GCC system_header #endif -#if _LIBCPP_STD_VER > 17 +#if _LIBCPP_STD_VER >= 20 _LIBCPP_BEGIN_NAMESPACE_STD namespace ranges { namespace __find { struct __fn { + template <class _Iter, class _Sent, class _Tp, class _Proj> + _LIBCPP_HIDE_FROM_ABI static constexpr _Iter + __find_unwrap(_Iter __first, _Sent __last, const _Tp& __value, _Proj& __proj) { + if constexpr (forward_iterator<_Iter>) { + auto [__first_un, __last_un] = std::__unwrap_range(__first, std::move(__last)); + return std::__rewrap_range<_Sent>( + std::move(__first), std::__find_impl(std::move(__first_un), std::move(__last_un), __value, __proj)); + } else { + return std::__find_impl(std::move(__first), std::move(__last), __value, __proj); + } + } + template <input_iterator _Ip, sentinel_for<_Ip> _Sp, class _Tp, class _Proj = identity> requires indirect_binary_predicate<ranges::equal_to, projected<_Ip, _Proj>, const _Tp*> - _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr - _Ip operator()(_Ip __first, _Sp __last, const _Tp& __value, _Proj __proj = {}) const { - auto __pred = [&](auto&& __e) { return std::forward<decltype(__e)>(__e) == __value; }; - return ranges::__find_if_impl(std::move(__first), std::move(__last), __pred, __proj); + _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr _Ip + operator()(_Ip __first, _Sp __last, const _Tp& __value, _Proj __proj = {}) const { + return __find_unwrap(std::move(__first), std::move(__last), __value, __proj); } template <input_range _Rp, class _Tp, class _Proj = identity> requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<_Rp>, _Proj>, const _Tp*> - _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr - borrowed_iterator_t<_Rp> operator()(_Rp&& __r, const _Tp& __value, _Proj __proj = {}) const { - auto __pred = [&](auto&& __e) { return std::forward<decltype(__e)>(__e) == __value; }; - return ranges::__find_if_impl(ranges::begin(__r), ranges::end(__r), __pred, __proj); + _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Rp> + operator()(_Rp&& __r, const _Tp& __value, _Proj __proj = {}) const { + return __find_unwrap(ranges::begin(__r), ranges::end(__r), __value, __proj); } }; } // namespace __find inline namespace __cpo { - inline constexpr auto find = __find::__fn{}; +inline constexpr auto find = __find::__fn{}; } // namespace __cpo } // namespace ranges _LIBCPP_END_NAMESPACE_STD -#endif // _LIBCPP_STD_VER > 17 +#endif // _LIBCPP_STD_VER >= 20 #endif // _LIBCPP___ALGORITHM_RANGES_FIND_H |