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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<typename _VType, size_t _Len>
  5. class Obc {
  6.   private:
  7.     const size_t len = _Len;
  8.     _VType m[_Len];     // attention: fixed size used for demo 
  9.   public:
  10.     Obc() {}
  11.     Obc(_VType *values) { 
  12.          for (int i=0; i<_Len; i++)
  13.              m[i]=values[i];
  14.     }
  15.     void show() const {
  16.           cout<<"Object with len "<<_Len<<" = [ "; 
  17.           for (int i=0; i<_Len; i++)
  18.              cout << m[i] <<" ";
  19.           cout<<"]"<<endl;
  20.  
  21.     }
  22. };
  23.  
  24. using _DType = int;
  25.  
  26. int main() {
  27. 	_DType values[]={ 1,2,3};
  28. 	Obc<_DType, 2> m;
  29. 	m.show(); 
  30. 	Obc<_DType, 2> mat{values};    // assuming _DType *values point to something
  31. 	mat.show();
  32. 	auto othermat = mat;
  33. 	othermat.show();
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 15240KB
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Standard input is empty
stdout
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Object with len 2 = [ 0 0 ]
Object with len 2 = [ 1 2 ]
Object with len 2 = [ 1 2 ]
https://ideone.com/JZYkq4
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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