ref: 44bd7d2ca3dc2b1a06cc0f4f688c0980d52a296e 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") }