using namespace Upp;
class A{
public:
	int	a;
	A(){
		a=1;
		Cout() << "A+\n";
	}
	
virtual	~A(){
		Cout() << "A-\n";
	}
	
virtual void Serialize(Stream &s){
		s % a;
	}
	
virtual void Print(){
		Cout() << "A: " << a << "\n";
	}
};

class B: public A{
public:
	int	b;
	B(){
		b=2;
		Cout() << "B+\n";
	}
	
	~B(){
		Cout() << "B-\n";
	}

virtual void Serialize(Stream &s){
		A::Serialize(s);
		s % b;
	}

virtual void Print(){
		Cout() << "B: " << a << ", " << b << "\n";
	}
};


CONSOLE_APP_MAIN{
	Array<A> v;
	
	v.Create<A>();
	v.Create<B>();
	v.Create<B>();
	v.Create<A>();
	
	Cout() << "Printing array...\n";
	for(int i=0;i<v.GetCount();i++) v[i].Print();

	Cout() << "Storing to file...\n";
	StoreToFile(v,GetHomeDirFile("Test.bin"));
	Cout() << "Clearing...\n";

	v.Clear();

	Cout() << "Loading from file...\n";
	LoadFromFile(v,GetHomeDirFile("Test.bin"));
	Cout() << "Loaded from file...\n";
	
	Cout() << "Printing array...\n";
	for(int i=0;i<v.GetCount();i++) v[i].Print();
}