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A comment on Why is OOP still so widely spread?. Parent comment

Re:Why is OOP still so widely spread? by pjmlp on Saturday September 05, 2020 @08:04AM (#24382975)
That is one way, informal use of categories, if we limit ourselves to Smalltalk-80 and Squeak.

Pharo also offers traits, not sure if Cinacom and Dolphin also do it.

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Re:Why is OOP still so widely spread? by andrekandre on Saturday September 05, 2020 @03:46PM (#24386379)
forgot about pharo, yes it has traits (protocols)
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