Fix TimePeriodChain extremes after initialization

malcommac / SwiftDate

🐔 Toolkit to parse, validate, manipulate, compare and display dates, time & timezones in Swift.

MIT License

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Open AsioOtus opened 3 years ago

AsioOtus commented 3 years ago

Fixes a bug when after initializing the TimePeriodChain class, the start and end properties are nil.