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  1. #include <iostream>
  2. #include <typeinfo>
  3. using namespace std;
  4.  
  5. struct Base {};
  6.  
  7. struct Derived : Base {};
  8.  
  9.  
  10.  
  11. struct Base_Polymorphic {
  12. 	virtual ~Base_Polymorphic() {};
  13. };
  14.  
  15. struct Derived_Polymorphic : Base_Polymorphic {};
  16.  
  17.  
  18. int main() {
  19. 	cout << "Non-polymorphic:" << endl;
  20.  
  21. 	cout << std::is_pod<Base>::value << endl;
  22. 	cout << std::is_pod<Derived>::value << endl;
  23.  
  24. 	Base * x = new Base;
  25. 	Base * y = new Derived;
  26. 	cout << typeid(*x).name() << endl;
  27. 	cout << typeid(*y).name() << endl;
  28. 	delete x;
  29. 	delete y;
  30.  
  31. 	cout << "------------" << endl;
  32.  
  33. 	cout << "Polymorphic:" << endl;
  34.  
  35. 	cout << std::is_pod<Base_Polymorphic>::value << endl;
  36. 	cout << std::is_pod<Derived_Polymorphic>::value << endl;
  37.  
  38. 	Base_Polymorphic * px = new Base_Polymorphic;
  39. 	Base_Polymorphic * py = new Derived_Polymorphic;
  40. 	cout << typeid(*px).name() << endl;
  41. 	cout << typeid(*py).name() << endl;
  42. 	delete px;
  43. 	delete py;
  44.  
  45. 	cout << "------------" << endl;
  46.  
  47. 	return 0;
  48. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
Standard input is empty
stdout 
Non-polymorphic:
1
1
4Base
4Base
------------
Polymorphic:
0
0
16Base_Polymorphic
19Derived_Polymorphic
------------
https://ideone.com/2ZGeJS
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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