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Discussion on: 3 TypeScript Tricks I wish I knew when I learned TypeScript

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Anurag Hazra

In the first example, you don't need to use two generics to define readonly arrays.

You can simply use the built-in ReadonlyArray<number> generic

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Tim Raderschad Author

That's right! I just like the simplicity of only needing to memorize one keyword which then can be used with all types :)