#[derive(Debug, Clone)]
struct Point(i32, i32);

impl Point {
    fn move_to(&self, x: i32, y: i32) -> Point {
        Point(x, y)
    }
}
fn main() {
    let p = Point(1, 2);
    println!("{:?} x:{} y:{}", p, p.0, p.1);
    println!("{:?}", p.move_to(3, 2));
}