var recurrenceRule = RecurrenceRule(frequency: .daily) recurrenceRule.calendar = ... recurrenceRule.frequency = ... recurrenceRule.interval = ... recurrenceRule.firstDayOfWeek = ... recurrenceRule.startDate = ... recurrenceRule.recurrenceEnd = ... recurrenceRule.bysetpos = ... recurrenceRule.byyearday = ... recurrenceRule.bymonth = ... recurrenceRule.byweekno = ... recurrenceRule.bymonthday = ... recurrenceRule.byweekday = ... recurrenceRule.byhour = ... recurrenceRule.byminute = ... recurrenceRule.bysecond = ... recurrenceRule.rdate = ... recurrenceRule.exdate = ...

let ruleString = "RRULE:FREQ=MONTHLY;DTSTART=20160404T021000Z;COUNT=5;INTERVAL=2;WKST=MO;BYDAY=MO,TU" let rule = RecurrenceRule(rruleString: ruleString)

let ruleString = rule.toRRuleString() print(ruleString) // RRULE:FREQ=MONTHLY;DTSTART=20160404T021000Z;COUNT=5;INTERVAL=2;WKST=MO;BYDAY=MO,TU

let rdateString = "RDATE:20180706T160000Z,20210706T160000Z" if let inclusionDate = InclusionDate(rdateString: rdateString) { print(inclusionDate.toRDateString()) // RDATE:20180706T160000Z,20210706T160000Z print(inclusionDate.dates) /* 2018-07-07 00:00:00 Sun 2021-07-07 00:00:00 Sun */ } let exdateString = "EXDATE:20181231T160000Z,20201231T160000Z" if let exclusionDate = ExclusionDate(exdateString: exdateString, granularity: .year) { print(exclusionDate.toExDateString()) // EXDATE:20181231T160000Z,20201231T160000Z print(exclusionDate.dates) /* 2019-01-01 00:00:00 Tue 2021-01-01 00:00:00 Fri */ }

let ruleString = "RRULE:FREQ=YEARLY;COUNT=11;WKST=MO" if let rule = RecurrenceRule(rruleString: ruleString) { var rule = rule rule.rdate = inclusionDate // RDATE:20180706T160000Z,20210706T160000Z rule.exdate = exclusionDate // EXDATE:20181231T160000Z,20201231T160000Z let allDates = rule.allOccurrences() print(allDates) /* 2016-04-14 14:22:30 Thu 2017-04-14 14:22:30 Fri 2018-04-14 14:22:30 Sat 2018-07-07 00:00:00 Sat 2020-04-14 14:22:30 Tue 2022-04-14 14:22:30 Thu 2023-04-14 14:22:30 Fri 2024-04-14 14:22:30 Sun 2025-04-14 14:22:30 Mon 2026-04-14 14:22:30 Tue */ let date = dateFormatter.date(from: "2018-01-01 00:00:00 Sun")! let otherDate = dateFormatter.date(from: "2024-01-01 00:00:00 Mon")! let betweenDates = rule.occurrences(between: date, and: otherDate) print(betweenDates) /* 2018-04-14 14:22:30 Sat 2018-07-07 00:00:00 Sat 2020-04-14 14:22:30 Tue 2022-04-14 14:22:30 Thu 2023-04-14 14:22:30 Fri */ }