notify_observers

# File lib/drb/observer.rb, line 7
    def notify_observers(*arg)
      if defined? @observer_state and @observer_state
        if defined? @observer_peers
          for i in @observer_peers.dup
            begin
              i.update(*arg)
            rescue
              delete_observer(i)
            end
          end
        end
        @observer_state = false
      end
    end