Refactor, try to limit dependencies

src/Dodge/Data/Bounds.hs

@@ -1,23 +1,22 @@
-{-# LANGUAGE DeriveGeneric #-}
-{-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE StrictData #-}
-module Dodge.Data.Bounds
-    where
+{-# LANGUAGE TemplateHaskell #-}
+
+module Dodge.Data.Bounds where
+
 import Control.Lens
-import GHC.Generics
 import Data.Aeson
+import Data.Aeson.TH
 
 data Bounds = Bounds
-    { _bdMinX            :: Float
-    , _bdMaxX            :: Float
-    , _bdMinY            :: Float
-    , _bdMaxY            :: Float
+    { _bdMinX :: Float
+    , _bdMaxX :: Float
+    , _bdMinY :: Float
+    , _bdMaxY :: Float
     }
-  deriving (Eq,Ord,Show,Read,Generic)
-instance ToJSON Bounds  where
-    toEncoding = genericToEncoding defaultOptions
-instance FromJSON Bounds 
+    deriving (Eq, Ord, Show, Read)
+
 defaultBounds :: Bounds
 defaultBounds = Bounds 0 0 0 0
 
 makeLenses ''Bounds
+deriveJSON defaultOptions ''Bounds