El vie, 15 oct 2021 a las 14:42, Abdulla Al Kathiri (< alkathiri.abdu...@gmail.com>) escribió:
> I don’t understand why tuple structure is not supported already. It makes > reading the function signature a breeze and very natural. You can also do > it without parentheses which mimics the return of multiple objects often > seen in functions(def func(*args: int) -> str, [int]) > > I brought this up before and one issue is that it's hard to distinguish between a tuple used as a type parameter and multiple type parameters: GenericClass[(A, B)] # parameterized by the type Tuple[A, B] GenericClass[A, B] # two type parameters The ASTs for both of those are the same, so it would be difficult for mypy to distinguish them. I do agree that it would be nice to write types like ([str], [int]), but there are some practical problems.
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