this post was submitted on 26 Jul 2023
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[โ€“] lysdexic@programming.dev 1 points 1 year ago* (last edited 1 year ago)

I'm not sure you understand that what a union does or does not do is completely irrelevant and besides the point. Python's protocols add support for structural subtyping, and enable both runtime and build-time type checks without requiring major code changes. Don't you understand what that means?