ref: bc9ee15fdd4a4c961bac0de2f4f9c4fceccd4a86 dir: /test/recgeneric.myr/
use std type o(@a) :: integral @a = union `S @a ;; type x(@k) = struct n : o(x(@k)#) ;; const main = { var test : x(int) std.put("built\n") }