#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::ops::{Add, Sub};
#[derive(Debug, Copy, Clone, PartialEq)]
struct Point {
    x: i32,
    y: i32,
}
impl Add for Point {
    type Output = Self;
    fn add(self, other: Self) -> Self {
        Self {
            x: self.x + other.x,
            y: self.y + other.y,
        }
    }
}
impl Sub for Point {
    type Output = Self;
    fn sub(self, other: Self) -> Self {
        Self {
            x: self.x - other.x,
            y: self.y - other.y,
        }
    }
}
fn main() {
    assert_eq!(Point { x : 3, y : 3 }, Point { x : 1, y : 0 } + Point { x : 2, y : 3 });
    assert_eq!(
        Point { x : - 1, y : - 3 }, Point { x : 1, y : 0 } - Point { x : 2, y : 3 }
    );
}