ref: 1a06a63131eff54522020c2ed5f7801d55a0c8e7 dir: /test/neststruct.myr/
type s1 = struct x : s2 ;; type s2 = struct a : int b : int ;; const main = { var s1 : s1 var s2 : s2 s1.x.a = 1 s1.x.b = 2 s2 = s1.x -> s2.a + s2.b }