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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. #define SUPER_BASE(name) \
  5. 	typedef name ThisClass; \
  6. 	typedef name Inherited;
  7.  
  8. #define SUPER(name) \
  9. 	typedef ThisClass Inherited; \
  10. 	typedef name ThisClass;
  11.  
  12. struct VeryBase
  13. {
  14. 	SUPER_BASE(VeryBase);
  15. };
  16.  
  17. struct Derived : public VeryBase
  18. {
  19. 	SUPER(Derived);
  20. };
  21.  
  22. struct MoreDerived : public Derived
  23. {
  24. 	SUPER(MoreDerived);
  25. };
  26.  
  27. void f(VeryBase) { cout << "VeryBase\n"; }
  28. void f(Derived) { cout << "Derived\n"; }
  29. void f(MoreDerived) { cout << "MoreDerived\n"; }
  30.  
  31. int main() {
  32.  
  33. 	f(MoreDerived::ThisClass());
  34. 	f(MoreDerived::Inherited());
  35.  
  36. 	f(Derived::ThisClass());
  37. 	f(Derived::Inherited());
  38.  
  39. 	return 0;
  40. }
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
MoreDerived
Derived
Derived
VeryBase
https://ideone.com/1WOXcc
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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