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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. enum class E{zero, one, two};
  5.  
  6. constexpr E get_next_E(E e){
  7. 	switch(e){
  8. 		case E::zero:
  9. 		return E::one;
  10. 		case E::one:
  11. 		return E::two;
  12. 		case E::two:
  13. 		return E::two;
  14. 	}
  15. }
  16.  
  17. int main() {
  18. 	std::cout << static_cast<int>(get_next_E(static_cast<E>(3)));
  19. }
Success #stdin #stdout 0s 3412KB
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https://ideone.com/X0yKZg
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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