this post was submitted on 15 Sep 2023
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Python

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This is like Interface in Go (or Java, i don't speak Java but the article say so).

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[–] nikaro@jlai.lu 1 points 1 year ago (1 children)

From what i understand, Protocol is for custom interfaces that you define (this object must have do_x() method), while ABCs are generic (this object is iterable).

[–] twoframesperminute@mastodon.social 0 points 1 year ago* (last edited 1 year ago) (1 children)

@nikaro iterable means: has __iter__() method. So there's no real difference, as far as I can see.

[–] nikaro@jlai.lu 1 points 1 year ago

The difference is that with Protocol you can define which method presence you want to ensure. Like i said: custom vs. generic.