Function main

Examples/NoModules/Appendix A/ExA_08/ExA_08.cpp:8–13

/*extern*/ int power_range;                // Not an unreasonable first attempt, right?

int main()
{
  for (int i{ -power_range }; i <= power_range; ++i)  // Calculate powers of 8
    std::cout << std::format("{:10}\n", power(8.0, i));
  std::cout << std::endl;
}