this post was submitted on 01 Sep 2023
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Programming
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mypyis great, but it doesn't come close to what you can do with TypeScript. I don't think that's necessarily a jab at Python (thoughTypeVar's limitations do come up here and there), more just throwing TypeScript on a pedestal.@TehPers I really wish Python had a satisfying way to do interfaces.
I really wish Python had multi-line lambdas. Sadly Python is very opinionated in ways I don't quite understand, but I can at least respect while using it.
For interfaces, honestly all I can suggest is using an
ABCwith only@abstractmethods. It's not perfect, but it's basically what you'd do in C++ anyway. If you're looking for an interface that models data, you could look at dataclasses orTypedDict(depending on what kind of data it is), but it's just not going to match what's possible in TS sadly (mapped types, conditional types, complex union types, custom type guards, etc).