/**********************************************************************************
 ***   FILE: cast.cpp
 ***   DATE: 03/07/2004
 *** AUTHOR: Daniel Dementiev
 ***   GOAL: This small program illustrates the dynamic_cast<...> operator.
 ***         To see what the static_cast<...> operator does, uncomment the lines
 ***         at the end of the main() function.
 ***         Use:
 ***            C:\> cl cast.cpp /EHsc /GR
 ***         to compile using the MS Visual C++ command line compiler.
 **********************************************************************************/

#include <iostream>

using namespace std;


class A {
   private:
      int a;
   public:
      A() : a(rand()%10) {};
      A(int v) : a(v) {};
      virtual int get() { return a; };
};

class B : public A {
   private:
      int b;
   public:
      B() : b(rand()%10) {};
      B(int v) : b(v) {};
      virtual int get() { return b; };
};

class C {
   private:
      int c;
   public:
      C() : c(rand()%10) {};
      C(int v) : c(v) {};
      virtual int get() { return c; };
};


void main()
{
   A *pb = new B(5);
   C *pc = new C(10);
   B *p;

   p = dynamic_cast<B*>(pb);
   if( p )
      cout<<"Variable pb contains a poinnter to an object of the type B\n";
   else
      cout<<"Variable pb does NOT contain a poinnter to an object of the type B\n";

   p = dynamic_cast<B*>(pc);
   if( p )
      cout<<"Variable pc contains a poinnter to an object of the type B\n";
   else
      cout<<"Variable pc does NOT contain a poinnter to an object of the type B\n";


   /* // uncomment these lines to see what the static_cast<> does
   cout<<"\n--------------------\nStatic casting:\n";
   p = static_cast<B*>(pb);
   cout<<"After static conversion: value stoder in 'pb' location is "<<p->get()<<endl;

   p = static_cast<B*>(pc);
   cout<<"After static conversion: value stoder in 'pc' location is "<<p->get()<<endl;
   */
}
class Square : public Rect