fork(2) download
copy 
  1. #include <string>
  2. #include <iostream>
  3.  
  4. class BaseIf
  5. {
  6. public:
  7.     virtual ~BaseIf() {}
  8.  
  9.     virtual std::string getName() = 0;
  10. };
  11.  
  12. class IntIf : public virtual BaseIf
  13. {
  14. public:
  15.     virtual ~IntIf() {}
  16.  
  17.     virtual int getValue() = 0;
  18. };
  19.  
  20. class FloatIf : public virtual BaseIf
  21. {
  22. public:
  23.     virtual ~FloatIf() {}
  24.  
  25.     virtual float getValue() = 0;
  26. };
  27.  
  28. class BaseImpl : public virtual BaseIf
  29. {
  30.   public:
  31. 	std::string getName () override { return "whoa dude"; }
  32. };
  33.  
  34. class IntImpl : public virtual IntIf, public BaseImpl
  35. {
  36.   public:
  37.     int getValue() override { return 42; }
  38. };
  39.  
  40. int main()
  41. {
  42.    BaseIf* bif = new IntImpl;
  43.    std::cout << bif->getName() << "\n";
  44.  
  45.    IntImpl iimp;
  46.    std::cout << iimp.getName() << "\n";
  47.  
  48. }
Success #stdin #stdout 0s 4192KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
whoa dude
whoa dude
https://ideone.com/2qQg0a
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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!