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  1. #include <iostream>
  2.  
  3. class A
  4. {
  5. public:
  6.     void f() const noexcept
  7.     {
  8.         std::cout << "Hello, world! :-)\n";
  9.     }
  10. };
  11.  
  12. class B : virtual public A
  13. {};
  14.  
  15. class C : virtual public A
  16. {};
  17.  
  18. class D : public B, public C
  19. {};
  20.  
  21. int main()
  22. {
  23.     D d;
  24.     d.f();
  25.  
  26.     return 0;
  27. }
  28.  
Success #stdin #stdout 0.01s 5284KB
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stdin
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Standard input is empty
stdout
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Hello, world! :-)
https://ideone.com/mySlDP
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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