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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. void f1(int x)
  5. {
  6. 	x = 5;
  7. }
  8.  
  9. void f2(const int& x)
  10. {
  11. 	const_cast<int&>(x) = 5;
  12. }
  13.  
  14. int main()
  15. {
  16. 	int i = 0;
  17. 	cout << "start: " << i << endl;
  18. 	f1(i);
  19. 	cout << "after f1: " << i << endl;
  20. 	f2(i);
  21. 	cout << "after f2: " << i << endl;
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0s 3140KB
comments (?)
stdin
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Standard input is empty
stdout
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start: 0
after f1: 0
after f2: 5
https://ideone.com/t51Xp2
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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