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Re:Half a million lines of Go by tome on Monday May 17, 2021 @11:47AM (#27184791)
ML had "it" in 1973!

... if "it" is even a thing. I would say that it's not, rather implicit nullability is the thing. It's just not something you'd do in a typed language unless you really specifically chose it. That's how Hoare could claim it was his billion dollar mistake. Implicit nullability was a thing he (and subsequent language designers) opted in to.

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