C/C++ Users Group Library 1996 July/C-C++ Users Group Library July 1996.iso/listings/v_13_03/saks/dyncast.cpp

Text File | 1995-01-04 | 268 b | 14 lines

Listing 1 - Using the dynamic_cast operator.

class B { ... };
class D : public B { ... };

void f()
    {
    B *pb = new D;
    ...
    D *pd = dynamic_cast<D *>(pb);  // a downcast
    ...
    pb = dynamic_cast<B *>(pd);     // a "normal" upcast
    }