Function printVector

Exercises/Modules/Chapter 20/Soln20_04/Soln20_04.cpp:50–55

}

void printVector(std::string_view message, const std::vector<int>& numbers)
{
  std::cout << message << ": ";
  for (int number : numbers) std::cout << number << ' ';
  std::cout << std::endl;
}