Function month

Exercises/NoModules/Chapter 08/Soln8_01.cpp:55–60

Reads the month

// Reads the month
int month()
{
  const int low_month {1};
  const int high_month {12};
  return validate_input(low_month, high_month, "a month number");
}

// Reads in the date in the given month and year
int date(int month_number, int year)