ref: 16a7bb8f8cc86b22ce157e0944f66f60a556590f
dir: /test/generictype.myr/
use std /* checks that parameterized types work. exits with 0. */ type option(@a) :: integral,numeric @a = union `Some @a `None ;; const main = { var v v = `Some 123 match v | `None: std.exit(1) | `Some 123: std.exit(0) | `Some _: std.die("Impossible match failure\n") ;; std.exit(60) }