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Re:Show HN: A dependently-typed programming language with st... by amelius on Saturday May 23, 2020 @02:16PM (#23285075)
Yes, indeed threads could be problematic.

But as long as you're not storing closures in those shared data-structures, these structures will always be acyclic, and could be collected through simple reference counting. Perhaps that's an acceptable compromise.

Re:Show HN: A dependently-typed programming language with st... by ferzul on Sunday May 24, 2020 @05:26AM (#23290323)
isn't:

    let x = 1:x
cyclic, but without closure? unless closure is so broad as to capture essentially any haskell value. it's not going to be obvious when there is a cyclic reference (e.g. if you use `let x = repeat 1` instead of the definition above)