Get quick answers for developing and debugging applications with Swift, Apple’s multi-paradigm programming language. This pocket reference is the perfect on-the-job tool for learning Swift’s modern language features, including type safety, generics, type inference, closures, tuples, automatic memory management, and support for Unicode.

Designed to work with Cocoa and Cocoa Touch, Swift can be used in tandem with Objective-C, and either of these languages can call APIs implemented in the other. Swift is still evolving, but it’s clear that Apple sees it as the future language of choice for iOS and OS X software development.

Topics include:

Swift’s Run-Eval-Print-Loop (REPL) and interactive playgrounds
Supported data types, such as strings, arrays, and dictionaries
Variables and constants
Program flow: loops and conditional execution
Classes, structures, enumerations, functions, and protocols
Closures: similar to blocks in Objective-C and lambdas in C#
Optionals: values that can explicitly have no value
Operators, operator overloading, and custom operators
Access control: restricting access to types, methods, and properties
Built-in global functions and their parameter requirements

About the Author

Anthony Gray (but you can call him Tony) has a long history working in tertiary education, where he’s provided technical and systems support for academic and research staff, and some very smart students. He loves to teach, with his favorite subjects being Operating Systems, Computer Graphics and Animation with OpenGL, and most recently Mobile Development for iOS. In his spare time, he writes software to scratch his own itch, some of which is available at squidman.net. Secretly he pines for the days when you could hand-code assembler for your 6502, and occasionally writes emulators so he can do just that.

"About this title" may belong to another edition of this title.

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In 2002, World of Books Group was founded on an ethos to do good, protect the planet and support charities by enabling more goods to be reused. Since then, we've grown into to a global company pioneering the circular economy. Today, we drive the circular economy through three re-commerce brands: - Wob: Through Wob, we sell. We provide affordable, preloved books and media to customers all over the world. A book leaves our collection of over seven million titles and begins a new chapter every two seconds, enabling more goods to be reused. - Ziffit: Through Ziffit, we buy. We give people around the world the opportunity to contribute to the circular economy, earn money and protect the planet, by trading their unwanted books and media. - Shopiago: Through Shopiago, we help others. By sharing the technology that has grown World of Books Group into the business it is today, we?re helping charities increase revenue and reduce waste through re-commerce.

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