You can annotate OR types in python so in this case you could do def fooify(x: i... | Hacker News

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		yoyohello13 on Jan 29, 2024 \| parent \| context \| favorite \| on: Python types have an expectations problem You can annotate OR types in python so in this case you could do def fooify(x: int \| list[int])

pharmakom on Jan 29, 2024 [–]

But if x is an int, the result is an int

If x is a list, the result is a list

I don’t think that the type system can describe this.

olejorgenb on Jan 30, 2024 | [–]

It can: https://news.ycombinator.com/item?id=39179144

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