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  1. #include<iostream>
  2.  
  3. template < class Type, int N >struct Point
  4. {
  5.     template<class ... Args> Point( Args&&... args ) 
  6.     {
  7.         const Type arr[]={ args... };
  8.  
  9.         enum { SIZE = sizeof(arr)/sizeof(Type) };
  10.  
  11.         static_assert(SIZE<= N, "INVALID_SIZE");
  12.  
  13.         for(size_t n=0;n<SIZE;++n) m_values[n]=arr[n];
  14.         for(size_t n=SIZE;n<N;++n) m_values[n]=0;
  15.     }
  16.  
  17.     void View()const
  18.     {
  19.         std::cout<<"---BEGIN--------------------------\n";
  20.         for(size_t n=0;n<N;++n) std::cout<<n<<") "<<m_values[n]<<'\n';
  21.         std::cout<<"---END----------------------------\n";
  22.     }
  23.     Type m_values[N];
  24. };
  25.  
  26.  
  27. int main()
  28. {
  29.     int v=10;
  30.     Point<int,10> p(1,2,3,4,v);
  31.     p.View();
  32.     return 0;
  33. }
Success #stdin #stdout 0s 2852KB
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stdin
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Standard input is empty
stdout
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---BEGIN--------------------------
0) 1
1) 2
2) 3
3) 4
4) 10
5) 0
6) 0
7) 0
8) 0
9) 0
---END----------------------------
https://ideone.com/yiwPkQ
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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