refactor: reorder data structures for better readability

Proj2.hs

@@ -56,25 +56,26 @@ import Debug.Trace
 
 type GameState = [[Pitch]]
 
-data Note = A | B | C | D | E | F | G
-  deriving (Eq, Show, Ord, Enum, Bounded)
-
-data Octave = One | Two | Three
-  deriving (Eq, Ord, Enum, Bounded)
-
 data Pitch = Pitch
   { note :: Note,
     octave :: Octave
   }
   deriving (Eq, Ord)
 
+instance Show Pitch where
+  show (Pitch note octave) = show note ++ show octave
+
+data Note = A | B | C | D | E | F | G
+  deriving (Bounded, Enum, Eq, Ord, Show)
+
+data Octave = One | Two | Three
+  deriving (Bounded, Enum, Eq, Ord)
+
 instance Show Octave where
   show One = "1"
   show Two = "2"
   show Three = "3"
 
-instance Show Pitch where
-  show (Pitch note octave) = show note ++ show octave
 -- ==== REQUIRED FUNCTIONS ====================================================
 
 toPitch :: String -> Maybe Pitch