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  1. #include <iostream>
  2.  
  3. class base
  4. {
  5. private:
  6.     struct inner { char c_; };
  7.     inner i_;
  8. public:
  9.     virtual ~base() {}
  10.     base() : i_{'a'} {}
  11. protected:
  12.     inner f() { return i_; }
  13. };
  14.  
  15. class derived : public base
  16. {
  17. public:
  18.     void g()
  19.     {
  20.         auto i = f();
  21.         std::cout << i.c_ << '\n';
  22.     }
  23. };
  24.  
  25. int main()
  26. {
  27.     derived d;
  28.     d.g();
  29. }
  30.  
Success #stdin #stdout 0s 2896KB
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Standard input is empty
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a
https://ideone.com/fSA9hl
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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