Protocol-oriented Programming in Swift - Apple WWDC 2015

At the heart of Swift's design are two incredibly powerful ideas: protocol-oriented programming and first class value semantics. Each of these concepts benefit predictability, performance, and productivity, but together they can change the way we think about programming. Find out how you can apply these ideas to improve the code you write. Sample Code: - Crustacean: https://developer.apple.com/sample-code/wwdc/2015/downloads/Crustacean.zip