anchor.diff:  -define(SERVER, ?MODULE).
   
   -record(state, {
  -          nodes = [{node(), joined}] :: [{node(), node_status()}],
  +          nodes = dict:new() :: dict:dict(node(), node_status()),
             tasks = dict:new() :: dict:dict(task_name(), {schedule(), detail()})
            }).
   
  
positive.code: %% @end
  %%--------------------------------------------------------------------
  init([]) ->
      {ok, #state{}}.
  
  %%--------------------------------------------------------------------
  %% @private
  
negative.code: %% @end
  %%--------------------------------------------------------------------
  handle_cast(_Msg, State) ->
      lager:info("test"),
      {noreply, State}.
  
  %%--------------------------------------------------------------------
  