[libcxx-commits] [libcxx] [libc++] P1789R3: Library Support for Expansion Statements (PR #167184)

[A. Jiang via libcxx-commits]

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@@ -67,6 +72,30 @@ _LIBCPP_HIDE_FROM_ABI constexpr void __for_each_index_sequence(index_sequence<_I
 }
 #    endif // _LIBCPP_STD_VER >= 20
 
+#    if _LIBCPP_STD_VER >= 26
+// structured binding support for integer_sequence
+template <typename _Tp, _Tp... _Indices>
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frederick-vs-ja wrote:

I think we conventionally introduce type template parameters with `class` in produce code, as the standard wording consistently uses it in in library part. Ditto below.

```suggestion
template <class _Tp, _Tp... _Indices>
```

https://github.com/llvm/llvm-project/pull/167184