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| author | Mingming Liu <mingmingl@google.com> | 2025-09-10 15:25:31 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-09-10 15:25:31 -0700 |
| commit | 1417dafa1db9cb1b2b09438aa9f53ea5ab6e36e2 (patch) | |
| tree | 57f4b1f313c8cf74eed8819870f39c36ea263c68 /libcxx/include/__fwd/tuple.h | |
| parent | 898b813bc8a6d0276bf0f4769f5f2f64b34e632d (diff) | |
| parent | b8cefcb601ddaa18482555c4ff363c01a270c2fe (diff) | |
Merge branch 'main' into users/mingmingl-llvm/samplefdo-profile-formatusers/mingmingl-llvm/samplefdo-profile-format
Diffstat (limited to 'libcxx/include/__fwd/tuple.h')
| -rw-r--r-- | libcxx/include/__fwd/tuple.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libcxx/include/__fwd/tuple.h b/libcxx/include/__fwd/tuple.h index 39ed94d9806e..dc96c03e2024 100644 --- a/libcxx/include/__fwd/tuple.h +++ b/libcxx/include/__fwd/tuple.h @@ -21,11 +21,20 @@ _LIBCPP_BEGIN_NAMESPACE_STD template <size_t, class> struct tuple_element; +template <size_t _Np, class _Tp> +using __tuple_element_t _LIBCPP_NODEBUG = typename tuple_element<_Np, _Tp>::type; + #ifndef _LIBCPP_CXX03_LANG template <class...> class tuple; +template <class> +inline const bool __is_tuple_v = false; + +template <class... _Tp> +inline const bool __is_tuple_v<tuple<_Tp...>> = true; + template <size_t _Ip, class... _Tp> struct tuple_element<_Ip, tuple<_Tp...> > { using type _LIBCPP_NODEBUG = __type_pack_element<_Ip, _Tp...>; |