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C/C++ Source or Header  |  2000-05-25  |  465 b   |  27 lines
  1. //: C24:RTTIWithoutPolymorphism.cpp
  2. // From Thinking in C++, 2nd Edition
  3. // Available at http://www.BruceEckel.com
  4. // (c) Bruce Eckel 1999
  5. // Copyright notice in Copyright.txt
  6. #include <cassert>
  7. #include <typeinfo>
  8. using namespace std;
  9.  
  10. class X {
  11.  int i; 
  12. public:
  13.   // ...
  14. };
  15.  
  16. class Y : public X { 
  17.   int j;
  18. public:
  19.   // ...
  20. };
  21.  
  22. int main() {
  23.   X* xp = new Y;
  24.   assert(typeid(*xp) == typeid(X));
  25.   assert(typeid(*xp) != typeid(Y));
  26. } ///:~
  27.