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Subtyping Articles

Page 1 of 1 (2 articles)

Covariance and Contravariance in TypeScript

10/14/2021 • EN

Covariance and Contravariance in TypeScript

An accessible guide explaining the concepts of covariance and contravariance in TypeScript's type system and subtyping.

Contravariance Covariance Subtyping type systems TypeScript

Dmitri Pavlutin

Subtyping in Java generics

6/15/2013 • EN

Subtyping in Java generics

Explains the principles of subtyping in Java generics, including why generic types like List<Number> are not supertypes of List<Integer>.

generics Java Subtyping type safety Wildcards

Rafael Winterhalter