[rustc.git] / src / doc / book / listings / ch19-advanced-features / listing-19-14 / src / main.rs

use std::ops::Add;

#[derive(Debug, Copy, Clone, PartialEq)]
struct Point {
    x: i32,
    y: i32,
}

impl Add for Point {
    type Output = Point;

    fn add(self, other: Point) -> Point {
        Point {
            x: self.x + other.x,
            y: self.y + other.y,
        }
    }
}

fn main() {
    assert_eq!(
        Point { x: 1, y: 0 } + Point { x: 2, y: 3 },
        Point { x: 3, y: 3 }
    );
}
Commit	Line	Data
74b04a01 XL	1	use std::ops::Add;
74b04a01 XL	2
136023e0	3	#[derive(Debug, Copy, Clone, PartialEq)]
74b04a01 XL	4	struct Point {
	5	x: i32,
	6	y: i32,
	7	}
	8
	9	impl Add for Point {
	10	type Output = Point;
	11
	12	fn add(self, other: Point) -> Point {
	13	Point {
	14	x: self.x + other.x,
	15	y: self.y + other.y,
	16	}
	17	}
	18	}
	19
	20	fn main() {
	21	assert_eq!(
	22	Point { x: 1, y: 0 } + Point { x: 2, y: 3 },
	23	Point { x: 3, y: 3 }
	24	);
	25	}