I can't get typed racket to work with for loops, e.g.: #lang typed/racket
(: p (Listof Natural)) (define p (for/list: : Natural ([i (in-range 30)]) i)) ==> Type Checker: Error in macro expansion -- untyped variable: for-loop in: (for/list: : Natural ((i (in-range 30))) i) Am I doing something silly here? I tried annotating the type of the loop variable 'i', with no change in the error message. John
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