ref: e05b7f12bd9a5f807c2b6143f2a71168291ab8df
dir: /test/generictype.myr/
use std /* checks that parameterized types work. exits with 0. */ type option(@a) = union `Some @a::(integral,numeric) `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) }