gwj / po_oopc · Files

#include <iostream>

class Storable {
public:
Storable() {};
virtual void write() {};
virtual ~Storable() {write() ; } // to be called
// from overriding destructors
};

class Data : public Storable
{
  public:
  int* data;
  Data() { data = new int(32); };
  ~Data() { delete data; };
  void write() override  { std::cout << *(this->data) << std::endl;};
};

int main()
{
  Data d;
  Storable* ptr = &d;
  ptr->write();
}