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  1. #include <stdio.h>
  2. #include <cstdlib>
  3.  
  4. template <class CLASSNAME>
  5. class a
  6. {
  7. public:
  8. 	typedef void (CLASSNAME::*myFunction)();
  9.  
  10. 	a(CLASSNAME& myObject, myFunction callback) :
  11. 	m_myObject(myObject)
  12. 	{
  13. 		m_myFuntion = callback;
  14. 	}
  15.  
  16. 	void update()
  17. 	{
  18. 		(m_myObject.*m_myFuntion)();
  19. 	}
  20.  
  21. 	myFunction m_myFuntion;
  22. 	CLASSNAME& m_myObject;
  23. };
  24.  
  25.  
  26. class dummy
  27. {
  28. public:
  29. 	dummy()
  30. 	{
  31. 		var = 14;
  32. 	}
  33.  
  34.  
  35. 	void func()
  36. 	{
  37. 		printf("func!!");
  38. 	}
  39.  
  40. 	int var;
  41. };
  42.  
  43.  
  44. int main()
  45. {
  46. 	dummy dum;
  47.  
  48. 	a<dummy> avar(dum, &dummy::func);
  49.  
  50. 	avar.update();
  51. }
Success #stdin #stdout 0s 3412KB
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Standard input is empty
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func!!
https://ideone.com/0jBlgT
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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