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  1. #include <iostream>
  2.  
  3. struct A
  4. {
  5.     void func() { std::cout << "Hello!\n"; }
  6. };
  7.  
  8. struct B : public A
  9. {
  10.     void func() { std::cout << "Goodbye!\n"; }
  11. };
  12.  
  13. int main()
  14. {
  15.     B b;
  16.     A *p = &b;
  17.  
  18.     p->func();
  19.     b.func();
  20. }
Success #stdin #stdout 0.02s 2724KB
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stdin
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Standard input is empty
stdout
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Hello!
Goodbye!
https://ideone.com/OXlgf
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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