December 2014
Intermediate to advanced
186 pages
3h 16m
English
Content preview from Swift Pocket Reference
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Swift Pocket Reference
Introduction
Swift is an exciting new language from Apple, first announced at the Apple Worldwide Developers Conference (WWDC) in June 2014. The language started life as the brainchild of Chris Lattner, director of Apple’s Developer Tools Department, and is the next step in the evolution of Apple’s software development ecosystem.
Swift brings with it many modern language features, including type safety, generics, type inference, closures, tuples, automatic memory management, and support for Unicode (for character and string values as well as for identifiers). You can use a mixture of Swift and Objective-C in a single project, and either language can call APIs implemented in the other.
The challenge for anyone learning (or even writing about) Swift is that the language is still evolving. Apple has stated that the language specification is not final, and the syntax and feature set will change.
Despite the uncertainty of a changing language, Swift shows great promise. It follows on from the company’s other major developer tools initiatives (all led by Lattner) including LLVM, Clang, LLDB, ARC, and a series of extensions to Objective-C, and it’s clear that Apple sees it as the future language of choice for iOS and OS X software development.
Conventions Used in This Book
The following typographical conventions are used in this book:
- Italic
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Indicates new terms, URLs, email addresses, filenames, and file extensions.
Constant width-
Used for program listings, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.