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Is type erasure utilized in the implementation of Typescript generics?

asked 2023-05-12 14:56:55 +0000

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answered 2023-05-12 14:58:01 +0000

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No, Type erasure is not utilized in the implementation of Typescript generics. Typescript's generics are implemented using structural typing, which means that a type parameter can match any type that has the required properties and methods. At runtime, Typescript's type information is not available due to Javascript's dynamic nature, so there is no type erasure involved. Instead, the Typescript compiler uses the type information to check the correctness of the code and generate Javascript that works with any compatible types.

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Asked: 2023-05-12 14:56:55 +0000

Seen: 21 times

Last updated: May 12 '23