Introduction to Swift: Functions

by Arthur Knopper www.ioscreator.com

Swift Version: unspecified

In Swift, functions are a self contain block of code which targets a specific task. Functions are first-class types, which means functions can be defined outside of a class in Swift. To follow this tutorial you will need Xcode 6 and start a playground file. Xcode 6 can be downloaded from Apple's developer portal.