ref: 5fc8fe7bec594a98c7a2b9fbdfc5f7fb4f11c7c9
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)
;;
std.exit(60)
}