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Re:Roc – A fast, friendly, functional language by downvotetruth on Monday November 20, 2023 @12:57PM (#38351595)
> hidden («opportunistic») mutability > no borrowing and borrow problems

Not to say the borrow checker is perfect, but the BC disallowing > 1 RC, in the ideal no escape hatch scenario (no unsafe, etc.), is a stronger theoretical constraint than Roc optimizing to mutability in the case of 1 RC.

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