grant/swift-cheat-sheet — pull request #26 by ruslanskorb (2014-06-06 19:52:10+00:00)
Title: [Update] Array (from "Arrays and Dictionaries").

We can not always use the proposed version of the array initialization.
Swift can not initialize the array of items that have a generic type.
var emptyArray = T.GeneratorType.Element[]() // error
var emptyArray: T.GeneratorType.Element[] = [] // success