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  1. #include <iostream>
  2. #include <string>
  3.  
  4. struct Hello{
  5.     int a;
  6.     Hello():a(0){}
  7.     int world(){
  8.         return ++a;    
  9.     }
  10. };
  11.  
  12. int main()
  13. {
  14.     Hello test;
  15. 	std::cout << test.world() << std::endl;
  16. 	std::cout << test.world() << std::endl;
  17. 	std::cout << test.world() << std::endl;
  18. 	std::cout << test.world() << std::endl;
  19. }
  20.  
Success #stdin #stdout 0s 4520KB
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https://ideone.com/FAZ43n
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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