I just migrated my Swift 1.2 code to Swift 2.0. This code previously works fine. but now there is an error saying Redundance Conformance of User to Protocol PFSubclassing (Swift 2.0) What mi...

With swift 1.2, I can no longer retrieve an array of poiter with parse subclass and downcasting it with another parse subclass. I always found the error: fatal error: NSArray element failed to ma...