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  1. #include <array>
  2. #include <type_traits>
  3. #include <iostream>
  4.  
  5. union foo {
  6. 	std::array<int, 4> all;
  7. 	struct {
  8. 		int a,b,c,d;
  9. 	};
  10. };
  11.  
  12. int main()
  13. {
  14. 	std::cout << std::is_standard_layout<foo>::value << std::endl;
  15. }
Success #stdin #stdout 0s 3340KB
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https://ideone.com/7WFcu3
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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