getWeekday function Null safety

String getWeekday(
  1. int weekday
)

Implementation

String getWeekday(int weekday) {
  final Map<int, String> weekMap = {
    0: 'Sunday',
    1: 'Monday',
    2: 'Tuesday',
    3: 'Wednesday',
    4: 'Thursday',
    5: 'Friday',
    6: 'Saturday'
  };
  return weekMap[weekday] ?? 'weekday';
}