Updated src/generic_types_traits_and_lifetimes/generics.md'.

projects/generic_method/src/main.rs

@@ -1,22 +1,23 @@
-struct Point<T> {
-    x: T,
-    y: T,
+#[derive(Debug)]
+struct Point<X1, Y1> {
+    x: X1,
+    y: Y1,
 }
 
-impl<T> Point<T> {
-    fn x(&self) -> &T {
-        &self.x
-    }
-}
-
-impl Point<f32, f32> {
-    fn distance_from_origin(&self) -> f32 {
-        (self.x.powi(2) + self.y.powi(2)).sqrt()
+impl<X1, Y1> Point<X1, Y1> {
+    fn mixup<X2, Y2>(self, other: Point<X2, Y2>) -> Point<X1, Y2> {
+        Point {
+            x: self.x,
+            y: other.y,
+        }
     }
 }
 
 fn main() {
-    let p = Point { x: 5, y: 10 };
+    let p1 = Point { x: 5, y: 10.4 };
+    let p2 = Point { x: "Hello", y: 'c' };
 
-    println!("p.x = {}", p.x());
+    let p3 = p1.mixup(p2);
+
+    println! ("p3.x = {}, p3.y = {}", p3.x, p3.y);
 }