ArrayStruct

#include <iostream>

//wrap array in struct
struct INT100
{
  int val[100] = {0};
};

int main(int argc, char* argv[])
{
  INT100 x;
  // populate it
  for ( auto& i : x.val)
    {
      static int last = 0;
      i =  ++last;
    }

  for ( auto i : x.val) std::cout << i << "\t";
  std::cout << std::endl;

  // copy constructor
  INT100 y(x); // copies data

  for ( auto i : y.val) std::cout << i << "\t";
  std::cout << std::endl;

  std::cout << "sizeof(INT100):\t" <<   sizeof(INT100) << " bytes" << "\n";
  std::cout << "sizeof(x):\t" <<   sizeof(x) << "\n";

  // copy initialization
  auto z = new INT100{x};

  for ( auto i : z->val) std::cout << i << "\t";
  std::cout << std::endl;

  delete z;
  return 0;
}