structs and enums

exercises/08_enums/enums1.rs

@@ -1,6 +1,10 @@
 #[derive(Debug)]
 enum Message {
-    // TODO: Define a few types of messages as used below.
+    Resize,
+    Move,
+    Echo,
+    ChangeColor,
+    Quit,
 }
 
 fn main() {

exercises/08_enums/enums2.rs

@@ -6,7 +6,11 @@ struct Point {
 
 #[derive(Debug)]
 enum Message {
-    // TODO: Define the different variants used below.
+    Resize { width: u64, height: u64 },
+    Move(Point),
+    Echo(String),
+    ChangeColor(u8, u8, u8),
+    Quit,
 }
 
 impl Message {

exercises/08_enums/enums3.rs

@@ -44,8 +44,13 @@ impl State {
     }
 
     fn process(&mut self, message: Message) {
-        // TODO: Create a match expression to process the different message
-        // variants using the methods defined above.
+        match message {
+            Message::Resize { width, height } => self.resize(width, height),
+            Message::Move(point) => self.move_position(point),
+            Message::Echo(string) => self.echo(string),
+            Message::Quit => self.quit(),
+            Message::ChangeColor(r, g, b) => self.change_color(r, g, b),
+        }
     }
 }