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  1. #include <iostream>
  2. #include <vector>
  3. #include <cstdarg>
  4. using namespace std;
  5.  
  6. class A
  7. {
  8. 	int valLen;
  9. 	int* values;
  10. 	vector<int> vect;
  11. 	public:
  12. 	A(int len, ...)
  13. 	{
  14. 	    va_list args;
  15. 	    va_start(args, len);
  16. 	    valLen = len;
  17. 	    for(int i=0; i<valLen; i++)
  18. 	    {
  19. 		vect.push_back(va_arg(args, int));	
  20. 	    }
  21. 	    values = &vect[0];
  22. 	    va_end(args);
  23. 	}
  24.  
  25. 	void print()
  26. 	{
  27. 		for(int i=0; i<valLen; i++)
  28. 			cout << values[i]<<endl;
  29. 	}
  30. };
  31.  
  32. int main()
  33. {
  34. 	A aVals[] ={A(3, 50,6,78), A(5, 67,-10,89,32,12)};
  35.  
  36. 	for(int i=0; i<2; i++)
  37. 	{
  38. 		aVals[i].print();
  39. 		cout<<"\n\n";
  40. 	}
  41. 	return 0;
  42. }
Success #stdin #stdout 0s 4396KB
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Standard input is empty
stdout
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50
6
78


67
-10
89
32
12
https://ideone.com/QWwgqW
https://stackoverflow.com/questions/47792281/constructor-initialization-list-for-an-array-in-c

http://e...content-available-to-author-only...e.com/w/cpp/utility/variadic/va_start
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
secret

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