tcfail069.hs:20:
    Couldn't match the type `[aF3]' against `(aF7, aF9)'
    Expected: [aF3]
    Inferred: (aF7, aF9)
    In the scrutinee of a case expression: (list1, (list2))
    In the case expression: case (list1, (list2)) of [] -> error "foo"


Compilation had errors