#include <array>
#include <cstddef>
#include <iostream>
 
template<std::size_t n>
class float_vec
{
private:
  std::array<float, n> underlying_array;
 
public:
  template<typename... Types>
  float_vec(Types... args) : underlying_array{{args...}}
  {
  }
 
  float get(int index) {return underlying_array[index];}
};
 
int main()
{
  float_vec<4> v = {1.0f, 2.0f, 3.0f, 4.5f};
 
  for (int i = 0; i < 4; ++i)
  {
  	std::cout<<v.get(i)<<" ";
  }
}

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