On the same day it announced a new programming language for iOS and OS X apps called Swift — but ahead of releasing the Xcode 6 IDE needed to actually code in it — Apple has published a free e-book guide to Swift on the iBookstore. Similar in nature to the educationally-oriented Scala language, Swift overcomes Scala’s Java-based slowness by using C, C++ and Objective-C as its base. The new language provides native speed and the support of existing frameworks while offering a simplified approach to writing code….
