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  1. #include <iomanip>
  2. #include <iostream>
  3. #include <type_traits>
  4. using namespace std;
  5.  
  6. enum struct XXX : int {
  7. 	AAA = 123,
  8. 	BBB = 456,
  9. };
  10.  
  11. int main() {
  12. 	cout << "Is XXX self-assignable: "
  13. 		 << boolalpha << is_assignable<XXX, XXX>::value
  14. 		 << endl;
  15.  
  16. 	auto x = XXX::AAA;
  17. 	x = XXX::BBB;
  18. 	cout << "... but x == "
  19. 		 << static_cast<underlying_type_t<XXX>>(x)
  20. 		 << endl;
  21. 	return 0;
  22. }
Success #stdin #stdout 0.01s 5312KB
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stdin
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Standard input is empty
stdout
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Is XXX self-assignable: false
... but x == 456
https://ideone.com/LIp8NZ
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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