The Swift Programming Language guide has the following example: class Person { let name: String init(name: String) { self.name = name } var apartment: Apartment? deinit { println("\(name) is ...

I was very confused about forced unwrapping and implicit unwrapping at first. Now, the following understanding comes from my self-study: There is no action available for implicit unwrapping, but t...

I've been playing around with Swift and discovered that when down casting an object to be inserted into a dictionary, I get a weird warning: Treating a forced downcast to 'String' as optional will ...

When I am about to fire my segue for the 2nd view I also send some values like this: if let aTime = ads[indexPath.row]["unix_t"].int { toView.time = aTime } if let aTitle = ads[indexPath.row]["t...

Is there a way (via a compiler flag or a script) to detect forced unwraps across a Swift project? I'm thinking about stuff like these: let b = a as! B let c = a! a!.method() Without triggering ...

Is there a good way to access a Option Value inside a Option Object? The nested match cases result in a ugly tree structure. So if I have for example: case class MyObject(value: Option[Int]) val ...

I'm used to write code with early return/golden path in Objective-C. I tried this approach in Swift, and noticed that early return comes at the expense of using the forced unwrapping operator (!) w...

In swift documentation, you can find this : if convertedNumber != nil { println("convertedNumber has an integer value of \(convertedNumber!).") } // prints "convertedNumber has an integer value o...