Want to develop apps for the iPhone and iPad, but prefer to use a friendly language like Ruby? This in-depth guide shows you how MacRuby puts the power of Apple's development tools right at your fingertips. If you're a programmer familiar with Ruby, you can tap your skills to take advantage of Interface Builder, the Cocoa libraries, Objective-C runtime, and more with MacRuby, Apple's implementation of Ruby. Packed with code samples, MacRuby: The Definitive Guide is ideal for programmers of all experience levels. You'll get clear, detailed explanations of the language, including: * Datatypes and objects * Expressions and operators * Statements and control structures * Methods, procs, lambdas and closures * Classes and modules * Reflection and metaprogramming