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Update or set new date
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| extension Optional where Wrapped == Date { | |
| mutating func updateOrSet(newDate: Date?, comparedBy: (Date, Date) -> Bool) { | |
| if let currentDate = self, let nDate = newDate { | |
| self = comparedBy(currentDate, nDate) ? currentDate : nDate | |
| } | |
| else { | |
| self = newDate | |
| } | |
| } | |
| } |
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Usage:
resultDate.updateOrSet(newDate: lastDate, comparedBy: <)