struct Point {
    x: i64,
    y: i64,
}

struct Rect {
    top_left: Point,
    bot_right: Point,
}

fn main() -> i64 {
    let r: Rect = Rect {
        top_left: Point { x: 0, y: 10 },
        bot_right: Point { x: 5, y: 0 },
    };
    print_i64(r.top_left.x);
    print_i64(r.bot_right.y);
    return 0;
}