ref: c3798f64130c81c4b3e052288ef20b7710b634ac dir: /test/matchargunion.myr/
type u = union `Int int `Chr char `Nil ;; const main = { var v v = `Int 123 match v `Int 127: -> 42 ;; `Int 123: -> 69 ;; `Chr 'a': -> 4 ;; `Nil: -> 6 ;; ;; }