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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Interface {
  5. public:
  6.     virtual int interf1(int a) = 0;
  7.     virtual int interf2(char c) = 0;
  8. };
  9.  
  10.  
  11. class Implement1 : virtual public Interface {
  12. public:
  13.     int interf1(int a){
  14.         std::cout << a << a << std::endl;
  15.         return 0;
  16.     }
  17. };
  18.  
  19. class Inplement2 : virtual public Interface {
  20. public:
  21.     int interf2(char c){
  22.         std::cout << c << c << c << std::endl;
  23.         return 0;
  24.     }
  25. };
  26.  
  27. class Test : public Implement1, public Inplement2 {
  28.  
  29. };
  30.  
  31.  
  32. int main() {
  33. 	Test t;
  34.  
  35. 	// static usage:
  36. 	t.interf1(42);
  37. 	t.interf2('x');
  38.  
  39. 	// polymorphic usage via interface:
  40. 	Interface *i = &t;
  41. 	i->interf1(42);
  42. 	i->interf2('x');
  43.  
  44. 	return 0;
  45. }
Success #stdin #stdout 0s 3340KB
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Standard input is empty
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4242
xxx
4242
xxx
https://ideone.com/Qq1m7v
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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