convertHolidayOnlyListFromSource<S> static method
Convert to DateRemindList for Holiday only in the List
Implementation
static DateRemindList convertHolidayOnlyListFromSource<S>(List<S> source,
{required Holiday Function(S) exportHoliday}) =>
convertListFromSource(source,
eventsCondition: (_) => false,
holidayCondition: (_) => true,
exportEvents: (_) => throw UnsupportedError(
"This method is not suppose to making Events object"),
exportHoliday: exportHoliday);