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  1. #include <cstddef>
  2. #include <iomanip>
  3. #include <iostream>
  4. #include <type_traits>
  5.  
  6. struct S1 {
  7. private:
  8.     int a;
  9. public:
  10.     char b;
  11. };
  12.  
  13. struct S3 : S1 {
  14.     char c;
  15. };
  16.  
  17. int main()
  18. {
  19. 	std::cout << sizeof(S1) << "\n";
  20. 	std::cout << sizeof(S3) << "\n";
  21. 	std::cout << std::boolalpha << std::is_standard_layout<S1>::value << "\n";
  22. 	std::cout << std::boolalpha << std::is_standard_layout<S3>::value << "\n";
  23. }
Success #stdin #stdout 0s 3296KB
comments (?)
stdin
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Standard input is empty
stdout
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8
8
false
false
https://ideone.com/qceEYj
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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