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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class A
  5. {
  6. 	public:
  7. 	A() {};
  8. 	void talk() { speak(); };
  9. //	void speak(){
  10. //	  cout << "I am A\n";
  11. //	}
  12. };
  13.  
  14. class B: public A
  15. {
  16. 	public:
  17. 	B()  {};
  18. 	void speak(){
  19.  
  20. 	cout << "I am B\n";
  21. 	};
  22. 	//using A::talk;
  23. };
  24.  
  25. B example;
  26.  
  27. int main() {
  28. 	// your code goes here
  29. 	example.speak();
  30. 	example.talk();
  31. 	return 0;
  32. }
Compilation error #stdin compilation error #stdout 0s 3140KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In member function 'void A::talk()':
prog.cpp:8:22: error: 'speak' was not declared in this scope
  void talk() { speak(); };
                      ^
stdout
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Standard output is empty
https://ideone.com/lx3cl7
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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