ref: 4ef66b11ded8bc99387219a81328d33c775ce7a9
dir: /test/generictype.myr/
/* checks that parameterized types work. exits with 0. */ type option(@a) = union `Some @a `None ;; const main = { var v v = `Some 123 match v `None: -> 1;; `Some 123: -> 0;; ;; -> 60 }