//  B2_2.cpp

#include <iostream>
using namespace std;

class A { int x; public: int& value() { return x; } };

class B { double y; public: double& value() { return y; } };

class C : public A, public B {  

public:
  A cloneA() { return *(static_cast<A*>(this)); }
  B cloneB() { return *(static_cast<B*>(this)); }
  void showData() { 
    cout << "\n  A part is: " << A::value();
    cout << "\n  B part is: " << B::value();
  }
  void setData(int x, double y) {
    A::value() = x;
    B::value() = y;
  }
};

void main() {

  C c;
  c.setData(-3.5,0.3333);
  cout << "\n  C's data is:";
  c.showData();

  A a = c.cloneA();
  cout << "\n  A clone's value is " << a.value();
  B b = c.cloneB();
  cout << "\n  B clone's value is " << b.value();

  cout << "\n\n";
}