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  1. #include <iostream>
  2. using namespace std;
  3. template <class numtype>
  4. class Compare
  5. {
  6. public:
  7.     numtype* x;
  8. };
  9.  
  10. class test
  11. {
  12. public:
  13.     void fun(){
  14.         std::cout << "fun" << std::endl;
  15.     }
  16. };
  17.  
  18. int main()
  19. {
  20.     Compare<test> a;
  21.     a.x = new test();
  22.     a.x->fun(); // <-- this line
  23.     delete a.x;
  24.     return 0;
  25. }
Success #stdin #stdout 0s 15224KB
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fun
https://ideone.com/JZmUvs
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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