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  1. #include <iostream>
  2.  
  3. class A
  4. {
  5. public:
  6.     virtual void foo() = 0;
  7. };
  8.  
  9. class B
  10. {
  11. public:
  12.     virtual void foo() = 0;
  13. };
  14.  
  15. class C : public A, public B
  16. {
  17. public:
  18.     virtual void foo();
  19. };
  20.  
  21. void C::foo()    { std::cout<<"C::foo"<<std::endl; }
  22.  
  23. int main()
  24. {
  25.     C c;
  26.     A* pa = &c;
  27.     B* pb = &c;
  28.  
  29.     c.foo();
  30.     pa->foo();
  31.     pb->foo();
  32. }
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
C::foo
C::foo
C::foo
https://ideone.com/HCYM1X
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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