(module test_22b2_xmod_classmod
  (class TShow
    (param a)
    (method tshow
      (type (fn-type (params a) (ret (con Str))))))
  (instance
    (class TShow)
    (type (con Int))
    (method tshow
      (body (lam (params (typed x a)) (ret (con Str)) (body "n"))))))