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Swift Essentials (Second Edition)

Swift Essentials (Second Edition) - Second Edition

By : Alex Blewitt
5 (3)
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Swift Essentials (Second Edition)

Swift Essentials (Second Edition)

5 (3)
By: Alex Blewitt

Overview of this book

Swift was considered one of the biggest innovations last year, and certainly with Swift 2 announced at WWDC in 2015, this segment of the developer space will continue to be hot and dominating. This is a fast-paced guide to provide an overview of Swift programming and then walks you through in detail how to write iOS applications. Progress through chapters on custom views, networking, parsing and build a complete application as a Git repository, all by using Swift as the core language
Table of Contents (11 chapters)
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10
Index

Chapter 1. Exploring Swift

Apple announced Swift at WWDC 2014 as a new programming language that combines experience with the Objective-C platform and advances in dynamic and statically typed languages over the last few decades. Before Swift, most code written for iOS and OS X applications was in Objective-C, a set of object-oriented extensions to the C programming language. Swift aims to build upon patterns and frameworks of Objective-C but with a more modern runtime and automatic memory management. In December 2015, Apple open sourced Swift at https://swift.org and made binaries available for Linux as well as OS X. The content in this chapter can be run on either Linux or OS X, but the remainder of the book is either Xcode-specific or depends on iOS frameworks that are not open source. Developing iOS applications requires Xcode and OS X.

This chapter will present the following topics:

  • How to use the Swift REPL to evaluate Swift code
  • The different types of Swift literals
  • How to use arrays and dictionaries
  • Functions and the different types of function arguments
  • Compiling and running Swift from the command line
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