You can do that with explicit implementations just fine e.g. haskell type classes (and their less competent sibling rust traits).
It is, if anything, better: you can abstract over multiple third party types, and you’re not stuck with the interface they defined, so if you need to switch in the future you can.
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It would be useful in testing, mocking (faking) sealed classes etc
You can do that with explicit implementations just fine e.g. haskell type classes (and their less competent sibling rust traits).
It is, if anything, better: you can abstract over multiple third party types, and you’re not stuck with the interface they defined, so if you need to switch in the future you can.