input error #7
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input error #7
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Du musst den |
| override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) { | ||
| if segue.identifier == "showInformation" { | ||
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| guard let informationViewController = (segue.destinationViewController as? UINavigationController)?.topViewController as? InformationViewController else { |
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Hier liegt der Fehler: der segue.destinationViewController ist direkt der InformationViewController, entferne also den ersten Cast zum UINavigationController.
Du findest so einen Fehler schnell, wenn du Breakpoints setzt und die Zeilen Schritt-für-Schritt ausführst.
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