fork download 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template <typename T>
  5. class Wrapper
  6. {
  7. public:
  8.     static int count;
  9.     T d_wrapped;
  10.  
  11.     Wrapper(T i_wrap) : d_wrapped(i_wrap)
  12.     {
  13.     	++count;
  14.     }
  15. };
  16.  
  17. template <typename T>
  18. int Wrapper<T>::count = 0;
  19.  
  20. int main() {
  21. 	Wrapper<int> wi(1);
  22. 	Wrapper<int> wi2(2);
  23. 	Wrapper<float> wf(1.0f);
  24.  
  25. 	Wrapper<int*> wip(new int());
  26. 	Wrapper<float*> wfp(new float());
  27.  
  28. 	cout << Wrapper<int>::count << ' ' << Wrapper<float>::count << '\n' <<
  29. 			Wrapper<int*>::count << ' ' << Wrapper<float*>::count << '\n';
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 3456KB
comments (?)
stdin 
Standard input is empty
stdout 
2 1
1 1
https://ideone.com/4ixSoV
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!