#include "SingleTon.h"
#include <iostream>
#include <string>
using namespace std;
class Apple : public SingleTon<Apple>
{
 friend SingleTon<Apple>;

public:
 void show()
 {
 cout << __FUNCTION__ << endl;
 }
 ~Apple()
 {
 cout << __FUNCTION__ << endl;
 }

protected:
 Apple() {}
};

class Orange : public SingleTon<Orange>
{
 friend SingleTon<Orange>;

public:
 ~Orange()
 {
 cout << __FUNCTION__ << endl;
 }
 void show()
 {
 cout << __FUNCTION__ << endl;
 }

protected:
 Orange()
 {

 }
};

int main()
{
 Apple::GetInstance().show();
 cout << &Apple::GetInstance() << endl;
 Apple::GetInstance().show();
 cout << &Apple::GetInstance() << endl;

 Orange::GetInstance().show();
 Orange::GetInstance().show();
 Orange::GetInstance().show();
 return 0;
}