diff --git a/exercises/enums/enums1.rs b/exercises/enums/enums1.rs
index 511ba740..ff7af009 100644
--- a/exercises/enums/enums1.rs
+++ b/exercises/enums/enums1.rs
@@ -1,11 +1,12 @@
 // enums1.rs
 // No hints this time! ;)
 
-// I AM NOT DONE
-
 #[derive(Debug)]
 enum Message {
-    // TODO: define a few types of messages as used below
+    Quit,
+    Echo,
+    Move,
+    ChangeColor,
 }
 
 fn main() {
diff --git a/exercises/enums/enums2.rs b/exercises/enums/enums2.rs
index 18479f87..6c9b15fb 100644
--- a/exercises/enums/enums2.rs
+++ b/exercises/enums/enums2.rs
@@ -1,11 +1,16 @@
 // enums2.rs
 // Execute `rustlings hint enums2` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
 
 #[derive(Debug)]
 enum Message {
-    // TODO: define the different variants used below
+    Move {
+      x: i32,
+      y: i32,
+    },
+    Echo(String),
+    ChangeColor(i32, i32, i32),
+    Quit
 }
 
 impl Message {
diff --git a/exercises/enums/enums3.rs b/exercises/enums/enums3.rs
index 55acf6bc..b0394d1f 100644
--- a/exercises/enums/enums3.rs
+++ b/exercises/enums/enums3.rs
@@ -2,10 +2,11 @@
 // Address all the TODOs to make the tests pass!
 // Execute `rustlings hint enums3` or use the `hint` watch subcommand for a hint.
 
-// I AM NOT DONE
-
 enum Message {
-    // TODO: implement the message variant types based on their usage below
+    Move(Point),
+    Echo(String),
+    ChangeColor((u8, u8, u8)),
+    Quit
 }
 
 struct Point {
@@ -37,7 +38,12 @@ impl State {
     }
 
     fn process(&mut self, message: Message) {
-        // TODO: create a match expression to process the different message variants
+        match message {
+            Message::Echo(string) => println!("{}", string),
+            Message::Move(point) => self.position = point,
+            Message::ChangeColor(color) => self.color = color,
+            Message::Quit => self.quit = true,
+        }
     }
 }
 
diff --git a/exercises/quiz2.rs b/exercises/quiz2.rs
index a98b09b1..01cc4f60 100644
--- a/exercises/quiz2.rs
+++ b/exercises/quiz2.rs
@@ -33,7 +33,7 @@ mod my_module {
             Command::Uppercase => content.to_uppercase(),
             Command::Trim => content.trim().to_string(),
             Command::Append(n) => format!("{}{}", content, "bar".repeat(*n))
-        }
+          }
         }).collect()
     }
 }