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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Base {
  5. protected:
  6.    static void call_foo(Base* base) { base->foo(); }
  7. private:
  8.    virtual void foo() = 0;
  9. };
  10.  
  11. class Derived : public Base {
  12. private:
  13.     Base *b;
  14. protected:
  15.     virtual void foo() { /* Some implementation */ };
  16.     virtual void foo2() {
  17.     	// b->foo(); // doesn't work
  18.         call_foo(b); // works
  19.     }
  20. };
  21.  
  22. int main() {
  23. 	// your code goes here
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 3464KB
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https://ideone.com/EGHhG5
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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