Download or read book IOS 9 Programming Fundamentals with Swift written by Matt Neuburg and published by "O'Reilly Media, Inc.". This book was released on 2015-09-28 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: And ConclusionChapter 2. Functions; Function Parameters and Return Value; Void Return Type and Parameters; Function Signature; External Parameter Names; Overloading; Default Parameter Values; Variadic Parameters; Ignored Parameters; Modifiable Parameters; Function In Function; Recursion; Function As Value; Anonymous Functions; Define-and-Call; Closures; How Closures Improve Code; Function Returning Function; Closure Setting a Captured Variable; Closure Preserving Its Captured Environment; Curried Functions; Chapter 3. Variables and Simple Types; Variable Scope and Lifetime.