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Re:Announcing TypeScript 3.0 by lucideer on Monday July 30, 2018 @03:47PM (#17647381)
> "Arrow functions" (lambdas) existed long before CoffeeScript

I think the question was about whether they existed in the JavaScript community.

I'm sure much of Typescripts great features are not completely novel nor unique—e.g. generics come from c# and Java—but it is responsible for bringing them to JavaScript.

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