Compilers can already do this: https://godbolt.org/z/jMMa8n48r https://godbolt.org/z/jMMa8n48r Yes, putting them into structs is a missing feature. It is not

Compilers can already do this: https://godbolt.org/z/jMMa8n48r https://godbolt.org/z/jMMa8n48r Yes, putting them into structs is a missing feature. It is not in the draft because no compiler can do it and their is no implementation experience. I am working on it.