ref: 2c4ac1330705a7358cd9946ac5af3308ba1cef23
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)
}