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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct Wrapper {
  5. 	operator bool() { return true; }
  6. };
  7.  
  8. int main() {
  9. 	if (auto x = Wrapper{}) {}
  10. 	Wrapper w;
  11. 	if (w) {}
  12. 	int a[10];
  13. 	a[w] = 123;
  14. 	return 0;
  15. }
Success #stdin #stdout 0.01s 5276KB
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stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/7qv1oM
language:
C++ (gcc 8.3)
created:
24 days ago
visibility:
public

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