/* outputs:
 *
 * derived destructor called
 * base destructor called
 */

#include <iostream>

/* will generate a class's default ctor, copy ctor, copy assignment operator,
 * by default data member and dtor are private, default ctor, copy ctor and
 * assignment operator are public
 */
class Base
{
  public:
    virtual ~Base();
};
Base::~Base() {
    std::cout << "base destructor called\n";
}

class Derived : public Base
{
  public:
    ~Derived();
};
Derived::~Derived() {
    std::cout << "derived destructor called\n";
}

int main(int argc, char **argv)
{
    /* when d goes out of scope, it will call its destructor will call base
     * class destructor
     */
    Derived d;
    Base b = d; /* conversion of d into Base takes place on rhs, d is sliced down */

    return 0;
}