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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct Foo
  5. {
  6. 	void Bar(int a)
  7. 	{
  8. 		cout<<"non-const "<<a<<endl;
  9. 	}
  10. 	void BarConst(int a) const
  11. 	{
  12. 		cout<<"const "<<a<<endl;
  13. 	}
  14. };
  15. struct CallMe
  16. {
  17. 	template<class This, class Return, class... Args>
  18. 	void Invoke(This *obj, Return(This::*MFPTR)(Args...), Args&&... args) const
  19. 	{
  20. 		// Do something need the Return, This, Args... types..
  21. 		(obj->*MFPTR)(std::forward<Args>(args)...);
  22. 	}
  23.  
  24. 	template<class This, class Return, class... Args>
  25. 	void Invoke(This *obj, Return(This::*MFPTR)(Args...) const, Args&&... args) const
  26. 	{
  27. 		(obj->*MFPTR)(std::forward<Args>(args)...);
  28. 	}
  29. };
  30. int main() {
  31. 	CallMe call;
  32. 	Foo f;
  33. 	call.Invoke(&f, &Foo::Bar, 1);
  34. 	call.Invoke(&f, &Foo::BarConst, 1);
  35. 	// your code goes here
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 3412KB
comments (?)
stdin 
Standard input is empty
stdout 
non-const 1
const 1
https://ideone.com/5rk1So
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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