anchor.diff:  %% API
   -export([start_link/0]).
   
  +-export([
  +  get/0
  +]).
  +
  +
   %% gen_server callbacks
   -export([init/1,
     handle_call/3,
  
positive.code: %%--------------------------------------------------------------------
  -spec(terminate(Reason :: (normal | shutdown | {shutdown, term()} | term()),
      State :: #state{}) -> term()).
  terminate(_Reason, _State) ->
    ok.
  
  %%--------------------------------------------------------------------
  
negative.code: %%%===================================================================
  %%% Internal functions
  %%%===================================================================
  
  do_get_users(State = #state{cache = Cache}) ->
    {reply, ets:tab2list(Cache), State}.