I have an enum named ProgrammingLanguage: enum ProgrammingLanguage { case Swift, Haskell, Scala } Now I have a class named Programmer with the following property: let favouriteLanguages: Progr...

Swift has the OptionSet type, which basically adds set operations to C-Style bit flags. Apple is using them pretty extensively in their frameworks. Examples include the options parameter in animate...

I'm porting an older app over to Xcode 7 beta and I'm getting an error on my animations: Cannot invoke 'animateWithDuration' with an argument list of type '(Double, delay: Double, options: nil,...

With the following OptionSet: struct StatusOptions : OptionSet { let rawValue: Int static let CountdownDuration0 = StatusOptions(rawValue: 1 << 0) static let CountdownDuration1 = StatusOp...