position module

src/position.rs

@@ -0,0 +1,34 @@
+
+#[derive(Debug, Eq, PartialEq)]
+pub struct Position {
+    pub(crate) x: u8,
+    pub(crate) y: u8,
+}
+
+impl From<String> for Position {
+    fn from(string: String) -> Position {
+        // e.g. "2,5"
+        let xy: Vec<&str> = string.split(',').collect();
+        let x = xy[0].parse().unwrap();
+        let y = xy[1].parse().unwrap();
+
+        Position { x, y }
+    }
+}
+
+impl ToString for Position {
+    #[inline]
+    fn to_string(&self) -> String {
+        format!("{},{}", self.x, self.y)
+    }
+}
+
+#[test]
+fn test_position_from_string() {
+    assert_eq!(Position::from("4,12".to_string()), Position { x: 4, y: 12 });
+}
+
+#[test]
+fn test_position_to_string() {
+    assert_eq!(Position { x: 4, y: 12 }.to_string(), "4,12".to_string())
+}