I see what you mean, but isn't the language still extensible? E.g., browsers have native typed arrays[1] which AFAIK are performant. [1] https://developer.mozi

I see what you mean, but isn't the language still extensible? E.g., browsers have native typed arrays[1] which AFAIK are performant. [1] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Typed_arrays https://developer.mozilla.org/en-US/docs/Web/JavaScript/Type...