ref: fd1b8b6f31b7a8c2705c3ac01e46fd707c0d3c9e dir: /test/recgeneric.myr/
use std type o(@a::integral) = union `S @a ;; type x(@k) = struct n : o(x(@k)#) ;; const main = { var test : x(int) std.put("built\n") }