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  1. #include <iostream>
  2.  
  3. struct rect {
  4.     int x, y, w, h;
  5. };
  6.  
  7. std::ostream& operator<<(std::ostream& os, rect r)
  8. {
  9.     return os << r.x << " " << r.y << " " << r.w << " " << r.h << '\n';
  10. }
  11.  
  12. struct A
  13. {
  14.     rect bounds;
  15.  
  16.     A(int x, int y, int w, int h)
  17.     {
  18.         std::cout << "O1: " << x << " " << y << " " << w << " " << h << "\n";
  19.         bounds = { x,y,w,h };
  20.         std::cout << "O2: " << rect(bounds);
  21.     }
  22. };
  23.  
  24. struct B : A
  25. {
  26.     B(rect bounds) : A(bounds.x, bounds.y, bounds.w, bounds.h)
  27.     {
  28.         std::cout << "T1: " << rect(bounds);
  29.         std::cout << "T2: " << rect(this->bounds) << "\n";
  30.     }
  31. };
  32.  
  33. int main()
  34. {
  35.     B b({ 300, 200, 200, 200 });
  36. }
Success #stdin #stdout 0s 3456KB
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stdin
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Standard input is empty
stdout
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O1: 300 200 200 200
O2: 300 200 200 200
T1: 300 200 200 200
T2: 300 200 200 200
https://ideone.com/9sdSMu
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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