Hour 3, page 92, in the second paragraph of the “Downcasting” section – I state that we need to tell Xcode that an object is an NSDate
. This should really be “MyObject
.” I had originally written the text using specific object examples, but shifted it to generics (“MyObject
“) and missed one of the original object classes.
iOS 9 Hour 3: MyObject, not NSDate
Posted in Errata, iOS 9 Errata