Derive Default implementations wherever possible

examples/game_of_life/src/main.rs

@@ -882,16 +882,15 @@ mod grid {
         }
     }
 
+    #[derive(Default)]
     pub enum Interaction {
+        #[default]
         None,
         Drawing,
         Erasing,
-        Panning { translation: Vector, start: Point },
-    }
-
-    impl Default for Interaction {
-        fn default() -> Self {
-            Self::None
-        }
+        Panning {
+            translation: Vector,
+            start: Point,
+        },
     }
 }

examples/todos/src/main.rs

@@ -285,18 +285,13 @@ struct Task {
     state: TaskState,
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Default)]
 pub enum TaskState {
+    #[default]
     Idle,
     Editing,
 }
 
-impl Default for TaskState {
-    fn default() -> Self {
-        Self::Idle
-    }
-}
-
 #[derive(Debug, Clone)]
 pub enum TaskMessage {
     Completed(bool),