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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int i = 1;
  5.  
  6. template<class T>
  7. void regist()
  8. {
  9.     ++i;
  10. }
  11.  
  12. template<class T>
  13. class A
  14. {
  15.     static bool d;
  16. };
  17.  
  18. template<class T> bool A<T>::d = [](){regist<A<T>>(); return true;}();
  19.  
  20. int main()
  21. {
  22.     A<int> a;
  23.     cout << i << endl;
  24.     return 0;
  25. }
Success #stdin #stdout 0s 3296KB
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https://ideone.com/r9fVCW
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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