Whatʼs new in Swift 4
An Xcode playground showing off the new features in Swift 4.0.
Written by Ole Begemann, May 2017.
You can already try out a surprising number of things that are coming in Swift 4. This playground works with Xcode 8.3, but you need to install the latest Swift 4.0 snapshot from swift.org (donʼt worry, itʼs easy).