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A comment on The Next Step for Generics. Parent comment

Re:The Next Step for Generics by nine_k on Tuesday June 16, 2020 @05:40PM (#23544563)
(1) This is why you can even ship code written in JS or Python. (2) This is why Typescript and mypy exist.
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Re:The Next Step for Generics by throwaway894345 on Tuesday June 16, 2020 @07:50PM (#23545804)
I agree, although my experience with Mypy has been miserable. I’m not sure the costs are less than the gains. Also there are other tradeoffs, like performance and artifact size (numpy and pandas alone are 100mb).
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