fork(7) download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Base
  5. {
  6. 	public:
  7. 		virtual void Foo() = 0;
  8. };
  9.  
  10. // ***** This is how you define pure virtual function outside class
  11. void Base::Foo () {
  12. 	cout << "Base::Foo()\n";
  13. }
  14.  
  15. class Derived
  16. 	: public Base
  17. {
  18. 	public:
  19. 	 void Foo() { 
  20. 	 	Base::Foo();  // ***** This is how you call it
  21. 	 }
  22. };
  23.  
  24. int main() {
  25. 	Derived d;
  26. 	d.Foo();
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 3340KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Base::Foo()
https://ideone.com/p8zYdG
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!