Derive Default implementations wherever possible

core/src/window/position.rs

@@ -1,9 +1,10 @@
 use crate::{Point, Size};
 
 /// The position of a window in a given screen.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, Default)]
 pub enum Position {
     /// The platform-specific default position for a new window.
+    #[default]
     Default,
     /// The window is completely centered on the screen.
     Centered,
@@ -22,9 +23,3 @@ pub enum Position {
     /// [`Specific`]: Self::Specific
     SpecificWith(fn(Size, Size) -> Point),
 }
-
-impl Default for Position {
-    fn default() -> Self {
-        Self::Default
-    }
-}

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),