This will eat all your memory,
(for/list ([x '(0 1 2 3 4 5 6)]
#:unless (= x 4)
[i (in-naturals)])
x)
and this won't.
(for/list ([x '(0 1 2 3 4 5 6)]
[i (in-naturals)]
#:unless (= x 4))
x)
Should we expect this behavior? I was really surprised by this.
-Ian
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