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by rdtsc 3770 days ago
> Absolutely anything goes. Examples: Racket (in the REPL), Lisp, Clojure, Scala, Erlang, etc.

Well you can't mutate variables and data in Erlang. (Try X=1,X=2 in a repl, it will fail). There is a thing called process dictionary but it is frowned upon. Concurency is handled by processes. But that's a different thing.