Re-implementing Optionals using Swift’s powerful enum type.

This post updated December 6, 2014 to reflect changes in Xcode 6.2 If you've been messing with Swift much lately, you may have noticed that enum's do much more than they did in Objective-C, or in most other languages for that matter. In the WWDC videos discussing Swift, one of the presenters mentions that Optionals are implemented as enums. Let's…

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Access Control In Swift

Updated December 21 for Xcode 6.1.1 The Swift feature of Access Control is really important from a software architecture perspective, because it allows us to properly implement encapsulation. Without the ability to hide members and methods of classes, it's very easy to accidentally (or not) reach in to classes and mess with internals that were not designed to be directly…

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Developing iOS 8 Apps Using Swift – Animations, Audio, and Custom Table View Cells (Part 7)

This section completely updated to reflect changes in Xcode 6.3, as of April 17, 2015 In parts 1 through 6 we went over some basics of Swift, and set up a simple example project that creates a Table View and a puts some API results from iTunes inside of them. If you haven't read that yet, check out Part 1…

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