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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<int a> class T{
  5. 	class A{
  6. 		virtual ~A() = 0;
  7. 	public:
  8. 		static int f1();
  9. 		static int f2();
  10. 	};
  11. 	class B{
  12. 		virtual ~B() = 0;
  13. 	public:
  14. 		static int f1();
  15. 		static int f2();
  16. 	};
  17. public:
  18. 	void test();
  19. };
  20.  
  21. template<int a> void T<a>::test(){cout<<a<<A::f1()<<A::f2()<<B::f1()<<B::f2();}
  22. template<int a> int T<a>::A::f1(){return a+1;}
  23. template<int a> int T<a>::A::f2(){return a-1;}
  24. template<int a> int T<a>::B::f1(){return a*2;}
  25. template<int a> int T<a>::B::f2(){return a*3;}
  26.  
  27. int main() {
  28. 	T<2> t;
  29. 	t.test();
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 3468KB
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23146
https://ideone.com/PkoAwG
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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