ref: 1d4b554015ba6bb9cce2902a648e4b5af2811df5
dir: /test/struct.myr/
use std
/* test reading and writing to struct members. exits with 42. */
type pair = struct
a : int
b : int
;;
const main = {
var s : pair
s.a = 12
s.b = 30
std.exit(s.a + s.b)
}