Contravariance allows supertypes and disallows subtypes, not vice versa.

Contravariance is a property of a type system where a subtype of the expected type is allowed where the supertype is expected. In other words, if type B is a subtype of type A, then an expression of type A can be used where an…
Mastering TypeScript: Are you writing your code in the best way possible?
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Aleksandr Sokolov
Милан Тодоров
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Jul 8, 2023
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Contravariance allows supertypes and disallows subtypes, not vice versa.
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Written by Милан Тодоров9 Followers
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Object orienter
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