getLastMonthLastDay static method
Implementation
static int getLastMonthLastDay(HeaderOptions headersStyle) {
final cMonth = CalendarUtils.getPartByInt(format: PartFormat.MONTH);
if (cMonth - 1 < 1) {
return -1;
}
return CalendarUtils.getDays(headersStyle.weekDayStringType, cMonth - 1).keys.last;
}