Add Binary instances

src/Geometry/ConvexPoly.hs

@@ -16,6 +16,7 @@ module Geometry.ConvexPoly (
 
 import Control.Lens
 import Data.Aeson
+import Data.Binary
 import Flat
 import Geometry.Data
 import Geometry.Intersect
@@ -31,6 +32,7 @@ data ConvexPoly = ConvexPoly
     , _cpRad :: Float
     }
     deriving (Eq, Ord, Show, Read, Generic, Flat)
+instance Binary ConvexPoly 
 
 instance ToJSON ConvexPoly where
     toEncoding = genericToEncoding defaultOptions