更新时间：2021-07-08 10:22:19
coverpage
Title Page
Copyright
Swift 4 Programming Cookbook
Credits
About the Author
About the Reviewer
www.PacktPub.com
Why subscribe?
Customer Feedback
Preface
What this book covers
What you need for this book
Who this book is for
Sections
Getting ready
How to do it…
How it works…
There's more…
See also
Conventions
Reader feedback
Customer support
Downloading the example code
Downloading the color images of this book
Errata
Piracy
Questions
Swift Building Blocks
Introduction
Your first Swift program
Downloading Xcode
How to do it...
There's more...
Strings Ints Floats and Bools
How it works...
Optionals unwrap and force unwrap
Getting started
Functions
Default parameter values
Parameter overloading
Object classes
Structs
Enumerations
Methods and computed variables
Associated values
Closures
Protocols
Building on the Building Blocks
Bundling variables into tuples
Ordering your data with arrays
