grid_point/
lib.rs

1use std::fmt::Display;
2
3/// A Point represents an [x, y] location on a grid
4#[derive(PartialEq, Clone, Debug)]
5pub struct Point {
6    pub x: i32,
7    pub y: i32,
8}
9
10impl Display for Point {
11    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
12        write!(f, "[ x: {}, y: {} ]", &self.x, &self.y)
13    }
14}
15
16impl Point {
17    /// Adds two Points and returns the result as a new Point
18    pub fn add(point1: &Self, point2: &Self) -> Self {
19        Self {
20            x: point1.x + point2.x,
21            y: point1.y + point2.y,
22        }
23    }
24}
25
26#[cfg(test)]
27mod tests {
28    use crate::Point;
29
30    #[test]
31    fn add_points() {
32        let point1 = Point { x: 1, y: 2 };
33        let point2 = Point { x: 2, ..point1 };
34
35        let result = Point::add(&point1, &point2);
36        assert_eq!(result, Point { x: 3, y: 4 });
37    }
38
39    #[test]
40    fn format_point() {
41        let point1 = Point { x: 1, y: 2 };
42        let result = format!("{}", point1);
43        assert_eq!(result, "[ x: 1, y: 2 ]")
44    }
45}
grid_point/lib.rs

grid_point/
lib.rs
