class MonsterDB {
private :
	~MonsterDB() {}; // prevents instances on stack
public:
	static void DestroyInstance(MonsterDB *db) {
		delete db;
	}

	void doSomething() {}
};
int main() {
	MonsterDB *db = new MonsterDB();
	db->doSomething();
	MonsterDB::DestroyInstance(db);
	return 0;
}