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  1. #include <initializer_list>
  2. #include <algorithm>
  3. #include <iostream>
  4.  
  5. template <typename T, std::size_t N>
  6. struct Array
  7. {
  8.     T body[N];
  9.  
  10.     Array(std::initializer_list<T> const& list)
  11.     {
  12.         std::copy(list.begin(), list.end(), body);
  13.     }
  14.  
  15.     operator T* () { return body; }
  16.     constexpr std::size_t size() const { return N; }
  17.  
  18.     T operator [](std::size_t n) const
  19.     {
  20.         return body[n];
  21.     }
  22.  
  23.     T* begin() const { return body; }
  24.  
  25.     T* end()   const { return body + N; }
  26.  
  27.     T& at(std::size_t offset) const
  28.     {
  29.         return body[offset];
  30.     }
  31. };
  32.  
  33. int main()
  34. {
  35.     Array<int, 4> x = {4, 2, 1, 4};
  36.  
  37.     std::cout << x.size();
  38. }
Success #stdin #stdout 0s 2896KB
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4
https://ideone.com/Zs27it
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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