10 lines
219 B
Racket
10 lines
219 B
Racket
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#lang typed/syndicate/roles
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(require rackunit/turnstile)
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(check-type (for/list ([x (for/list ([y (list 1 2 3)])
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y)])
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x)
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: (List Int)
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⇒ (list 1 2 3))
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