int main()
{
ConcreteSubject *cs = new ConcreteSubject;
Observer *obs[COUNT_OBS];
State s;
for (int i = 0; i < COUNT_OBS; i++)
obs[i] = new ConcreteObserver(cs);
s._state = 1;
cs->SetState(s);
printstate(obs);
cs->Detach(obs[5]);
s._state = 4;
cs->SetState(s);
printstate(obs);
cs->Attache(obs[5]);
s._state = 2;
cs->SetState(s);
printstate(obs);
return 0;
}
int main()
{
ConcreteSubject product;
ConcObs shop1("Shop 1");
ConcObs shop2("Shop 2");
ConcObs shop2("Shop 3");
product.Attach(&shop1);
product.Attach(&shop2);
product.Attach(&shop3);
product.ChangePrice(23.0f);
product.Detach(&shop2);
product.ChangePrice(26.0f);
return 0;
}