anchor.diff:      Result = case redis_backend:del(Bucket, Key, State#state.redis_state) of
                  {ok, _} ->
                      ok;
  -               {error, _, _} ->
  -                   error
  +               Error ->
  +                   Error
                end,
       {reply, {RequestId, Result}, State};
   
  
positive.code:     Result = case redis_backend:transaction(CommandList, State#state.redis_state) of
                 {ok, _} ->
                     ok;
                 {error, _, _} ->
                     error
               end,
      {reply, {RequestId, Result}, State};
  
  
negative.code:     Result = case redis_backend:put(Bucket, Key, "_", Value, State#state.redis_state) of
          {ok, _} ->
              ok;
          Error ->
              Error
      end,
      {reply, {RequestId, Result}, State};
  
  