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List cycles support #4

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jcubic opened this issue Dec 11, 2022 · 0 comments

jcubic commented Dec 11, 2022

Marwood doesn't support list cycle representation and create infinite loop:

(define x (let ((x '(1 2 3)))
   (set-cdr! (cddr x) x) x))
> x

It also doesn't support R7RS datum reference syntax, which allows for creating cycles:

(define x '#0=(1 2 . #0#))

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