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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. struct virtual_base {
  6.     double data;
  7.     virtual_base() {}
  8.     virtual ~virtual_base() {}
  9. };
  10.  
  11. struct non_virtual_base {
  12.     double data;
  13.     non_virtual_base() {}
  14.     ~non_virtual_base() {}
  15. };
  16.  
  17. int main() {
  18.     std::cout << sizeof( virtual_base ) - sizeof( non_virtual_base ) << '\n';
  19.     return 0;
  20. }
Success #stdin #stdout 0s 4256KB
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https://ideone.com/Ycpg64
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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