The comprehensive Objective-C reference every Mac and iOS developer needsObjective-C is central to both iOS and Mac OS development, and as the demand for iPhone and iPad apps continues to grow, so does interest in Objective-C. While beginner books on the language abound, Wrox has now brought forth a much-needed resource for those familiar with Objective-C who are ready to get more advanced. In the Wrox Professional tradition, it digs deeper into the details, covering the language and syntax, modern compiler infrastructure, application paradigms, creative approaches to extending Objective-C, and much more.Objective-C is the main language used for iPhone and iPad apps; it remains relevant for long periods of time, and with the growing demand for iPhone and iPad apps, is the world"s fastest growing programming languageThis Wrox Professional guide fulfills the need for an advanced-level reference on Objective-C, delving into the language semantics, run-time, and associated design patternsShows how Objective-C code is ultimately transformed to machine executable applicationsExplores Objective-C paradigms that enable effective software creation and ways to adopt similar paradigms in application codePresents new ideas from functional programming and concurrency, providing a glimpse into how future Objective-C programs may look Professional Objective-C Development gives intermediate-level Mac and iOS developers the tools and knowledge they need to create a new generation of applications.