Drop and move behavior

src/main.rs

@@ -10,14 +10,28 @@ impl Vector3 {
     }
 }
 
-fn print(vec: Vector3) {
+fn print(vec: Vector3) -> Vector3 {
     println!("Vector3( x = {}, y = {}, z = {})", vec.x, vec.y, vec.z);
+
+    vec
+}
+
+impl Drop for Vector3 {
+    fn drop(&mut self) {
+        println!("Vector3 was dropped!");
+    }
 }
 
 fn main() {
     let mut vec = Vector3::new(1.0, 0.0, 0.0);
 
-    print(vec);
+    /*
+        println!("Calling print");
+        let vec2 = print(vec);
+        println!("Calling print returned");
+    */
+
+    let vec2 = vec;
 
     vec.y = 2.0;
 }