ref: 5927f8f8d3b4ab40d2aacfae4b3cbd593c5e7f01 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") }