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Covariance and Contravariance in TypeScript

Covariance and Contravariance in TypeScript

Covariance and Contravariance in TypeScript

Learning covariance and contravariance in TypeScript could be tricky (I know from my experience!), but knowing them is a great addition to understanding types and subtyping. In this post, I’ll read an accessible explanation of covariance and contravariance concepts. 1. Subtyping Thanks to inherit...

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