If this object’s changed state
is true, invoke the update method in each currently associated
observer in turn, passing it the given arguments. The changed state is then set to
false.
# File lib/observer.rb, line 181
def notify_observers(*arg)
if defined? @observer_state and @observer_state
if defined? @observer_peers
for i in @observer_peers.dup
i.update(*arg)
end
end
@observer_state = false
end
end