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Update: Chris Lattner has asked developers to not file duplicate radars for feature requests. Please do not duplicate any radars listed in this post. Apple introduced Swift as “Objective-C without the C”, but in many ways, Swift is closer to “C++ without the C” (or Objective-C without the Smalltalk). Swift’s generics, for example, are closer to C++'s templates than to any feature of Objective-C. O
Facets of Swift is a series of articles on various aspects of the Swift programming language. I chose optionals as the topic for the first article, as these are one of the first features of Swift you will notice. The idea of optionals is simple: To prevent errors and to model things in code more accurately, Swift distinguishes between optional and non-optional values. What are Optionals?In Objecti
class RoomsViewController: UITableViewController { var rooms = Array<Room>() override func viewDidLoad() { super.viewDidLoad() assert(User.currentUser()) let api = API() api.getRooms(User.currentUser()!) { (roomsObj, error) in if let rooms = roomsObj as? Array<Room> { self.rooms = rooms self.tableView.reloadData() } } } override func tableView(tableView: UITableView!, numberOfRowsInSection section
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