Review Of Swift 1.2 Updates

Greg Heo does a thorough review (with code examples) of the latest beta release of Swift, version 1.2:

“I’ll highlight the most significant changes in Swift 1.2:
– Speed improvements
– Improved if-let optional binding
– Changes to as when casting
– Native Swift sets
– Changes to initializing constants
– Objective-C interop and bridging”

Greg also takes the Swift migrator tool for a test drive.