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  1. #include <iostream>
  2.  
  3. template <typename T>
  4. struct is_pointer_type
  5. {
  6.     enum { value = false };
  7. };
  8.  
  9. template <typename T>
  10. struct is_pointer_type<T*>
  11. {
  12.     enum { value = true };
  13. };
  14.  
  15. template <typename T>
  16. bool is_pointer(const T&)
  17. {
  18.     return is_pointer_type<T>::value;
  19. } 
  20.  
  21. class A{};
  22.  
  23. int main()
  24. {
  25. 	A a;
  26. 	A* aptr;
  27. 	std::cout << is_pointer(a) << '\n' << is_pointer(aptr) << '\n';
  28. }
Success #stdin #stdout 0s 2724KB
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https://ideone.com/ESMtM
language:
C++ (gcc 8.3)
created:
14 years ago
visibility:
secret

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