weekdaysInMonth method
Gets all occurrences of a weekday in the current month.
Implementation
List<Hora> weekdaysInMonth(int weekday) {
final result = <Hora>[];
var current = firstWeekdayInMonth(weekday);
while (current.month == month) {
result.add(current);
current = current.add(7, TemporalUnit.day);
}
return result;
}