> Note that it was unclear to me where the "break" form could appear,
> so I restricted it to being at the end of the clause, like how
> people typically use "break" in C-like "switch" forms.
"it was unclear ... so I restricted" = the refuge of rogues.
Here's a test that my version passes:
(define (cas3 v)
(let ([w true])
(cas-cad-e v
[(0) (set! w false)]
[(1) (if w (break 1) (break 0))])))
(check-expect (cas3 0) 0)
(check-expect (cas3 1) 1)
Shriram
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