Remove undefined subscribeDeltaC

src/lib/Qd/Observable/Delta.hs

@@ -3,7 +3,7 @@ module Qd.Observable.Delta where
 import Qd.Observable
 import Qd.Prelude
 
-import Conduit
+--import Conduit
 import qualified Data.HashMap.Strict as HM
 import Data.Binary (Binary(..))
 import Data.IORef
@@ -29,10 +29,9 @@ instance (Eq k, Hashable k, Binary k, Binary v) => Binary (Delta k v) where
 
 class Observable (HM.HashMap k v) o => DeltaObservable k v o | o -> k, o -> v where
   subscribeDelta :: o -> (Delta k v -> IO ()) -> IO SubscriptionHandle
-  subscribeDelta = undefined
-  subscribeDeltaC :: o -> ConduitT () (Delta k v) IO ()
-  subscribeDeltaC = undefined
-  {-# MINIMAL subscribeDelta | subscribeDeltaC #-}
+  --subscribeDeltaC :: o -> ConduitT () (Delta k v) IO ()
+  --subscribeDeltaC = undefined
+  --{-# MINIMAL subscribeDelta | subscribeDeltaC #-}
 
 observeHashMapDefaultImpl :: forall k v o. (Eq k, Hashable k) => DeltaObservable k v o => o -> (HM.HashMap k v -> IO ()) -> IO SubscriptionHandle
 observeHashMapDefaultImpl o callback = do