42 lines
929 B
Racket
42 lines
929 B
Racket
#lang typed/syndicate
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(require rackunit/turnstile)
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(define-constructor* (run [distance : Int] [windy? : Bool]))
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(check-type
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(spawn
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(start-facet runner
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(assert (run 5 #t))))
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: ★/t)
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(check-type
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(spawn
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(start-facet longer
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(on (asserted (run $d $w?))
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(printf "run ~a ~a\n" (add1 d) (if w? "brr" "")))))
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: ★/t)
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(check-type
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(dataspace
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(spawn
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(start-facet runner
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(assert (run 5 #t))))
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(spawn
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(start-facet longer
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(on (asserted (run $d $w?))
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(printf "run ~a ~a\n" (add1 d) (if w? "brr" ""))))))
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: ★/t)
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(typecheck-fail
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(dataspace
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(spawn
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(start-facet runner
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;; NB
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(assert (run "FAR" #t))))
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(spawn
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(start-facet longer
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(on (asserted (run $d $w?))
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(printf "run ~a ~a\n" (add1 d) (if w? "brr" ""))))))
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#:verb-msg "unprepared to handle inputs: (RunT String True)")
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