Processing as TTImp Written TTC Yaffle> Bye for now! Processing as TTImp Vect2.yaff:25:1--26:1:pat 0 {b:27} : Type => pat 0 {a:26} : Type => ($resolved95 {b:27}[1] {a:26}[0] $resolved77 ($resolved86 {a:26}[0]) ($resolved86 {b:27}[1])) is not a valid impossible pattern because it typechecks Yaffle> Bye for now! Processing as TTImp Vect3.yaff:25:1--26:1:Not a valid impossible pattern: Vect3.yaff:25:9--25:11:Type mismatch: $resolved76 and ($resolved84 ?Main.{n:21}_[] ?Main.{b:19}_[]) Yaffle> Bye for now!