//ww:run-exit 63
package main;
type inner = struct { a: i64, b: i64 };
type middle = struct { in: inner, t: i64 };
type outer = struct { m: middle, x: i64 };
fn main() i32 = {
	let o: outer;
	o.m.t = 10i64;
	o.x = 20i64;
	o.m.in = inner { a = 11i64, b = 22i64 };
	return (o.m.in.a + o.m.in.b + o.m.t + o.x): i32;
};