ref: 2f39b00d65470909bee4e94ac58fe2a2be5a7050
dir: /test/generictype.myr/
use std /* checks that parameterized types work. exits with 0. */ type option(@a) = union `Some @a::(tcint,tcnum,tctest) `None ;; const main = { var v v = `Some 123 match v | `None: std.exit(1) | `Some 123: std.exit(0) ;; std.exit(60) }