enum Shape {
    Circle(int, int, int),
    Rectangle(int, int, int, int),
    Zero
}

fn print(s: Shape) {
    match s {
        Circle(cx, cy, r) => println!("Circle {{ {}, {}, {} }}", cx, cy, r),
        Rectangle(x, y, w, h) => println!("Rectangle {{ {}, {}, {}, {} }}", x, y, w, h),
        Zero => println!("Zero")
    }
}

fn main() {
    let s1 = Circle(1,2,3);
    let s2 = Rectangle(1,2,3,4);
    let s3 = Zero;

    let s2s = match s2 {
        Circle(_, _, _) => "Circle!",
        Rectangle(_, _, _, _) => "Rectangle!",
        _ => "Other"
    };

    println!("{}", s2s);

    print(s1);
    print(s2);
    print(s3);
}