this post was submitted on 08 Dec 2023
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Isn't that also true with compile-time type checking though? Eg. 0 + x where x is int|null would be detected? I don't have much experience here so I could be wrong but I can't think of a case where they're not equivalent
Most languages that let you do ambiguous return types don't do compile-time type checking, and vice versa. But if it's actually implemented that way, then it's logically equivalent, you're right. Still, I prefer having things explicit
Yeah it's nice to be able to see it
Yes it is