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  1. #include <iostream>
  2. #include <functional>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7. 	// your code goes here
  8. 	std::function<void()> a, b;
  9. 	a = [&]() {
  10. 		static bool call = true;
  11. 		cout << "a called" << endl;
  12. 		if(call) {
  13. 			call = false;
  14. 			b();
  15. 		}
  16. 	};
  17.  
  18. 	b = [&]() {
  19. 		static bool call = true;
  20. 		cout << "b called" << endl;
  21. 		if(call) {
  22. 			call = false;
  23. 			a();
  24. 		}
  25. 	};
  26.  
  27. 	a();
  28.  
  29. 	return 0;
  30. }
Success #stdin #stdout 0.01s 5384KB
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stdin
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Standard input is empty
stdout
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a called
b called
a called
https://ideone.com/c7FGCo
language:
C++14 (clang 8.0)
created:
3 years ago
visibility:
secret

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