anchor.diff:  handle_call({set_options, Options}, _From, State) ->
       {reply, ok, parse_options(Options, State)};
   handle_call(stop, _From, State) ->
  -    disconnect(State),
  +    _ = disconnect(State),
       {stop, normal, ok, State}.
   
   %% @private
  
positive.code: %% @private
  send_request(Request, State) when State#state.active =:= undefined ->
      Pkt = riakc_pb:encode(Request#request.msg),
      gen_tcp:send(State#state.sock, Pkt),
      maybe_reply(after_send(Request, State#state{active = Request})).
  
  %% Queue up a request if one is pending
  
negative.code: cancel_req_timer(undefined) ->
      ok;
  cancel_req_timer(Tref) ->
      _ = erlang:cancel_timer(Tref),
      ok.
  
  %% @private
  