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  1. #include <iostream>
  2.  
  3. struct base
  4. {
  5.     virtual ~base() {}
  6.     virtual void foo() const { std::cout << "base::foo\n" ; }
  7.     void bar() const { std::cout << "base::bar\n" ; }
  8. };
  9.  
  10. struct derived : base
  11. {
  12.     virtual void foo() const override
  13.     { std::cout << "derived::foo overrides base::foo\n" ; }
  14.  
  15.     void bar() const
  16.     { std::cout << "derived::bar hides base::bar\n" ; }
  17. };
  18.  
  19. void fun( const base& b )
  20. {
  21.     b.foo() ;
  22.     b.bar() ;
  23. }
  24.  
  25. int main()
  26. {
  27.     derived d ;
  28.     fun(d) ;
  29. }
  30.  
Success #stdin #stdout 0s 3340KB
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Standard input is empty
stdout
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derived::foo overrides base::foo
base::bar
https://ideone.com/CfejwQ
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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