Expert Swift.

Book License
What You Need
Book Source Code & Forums
	About the Authors
	About the Editors
	About the Artist
Introduction
	How to read this book
Chapter 1: Introduction
	Swift released
	Easy onboarding
	Multi-paradigm
	The Swift compiler
	Implementing a language feature
	Key points
	Where to go from here?
Chapter 2: Types & Mutation
	The fundamental types
	Modeling with types
	Functions and methods
	Exercises
	QuadTree
	Key points
Chapter 3: Protocols
	Getting started with protocols
	Behind the scenes of protocols
	Protocols and the type system
	Synthesized protocol conformance
	Protocol-oriented programming
	Key points
	Where to go from here?
Chapter 4: Generics
	Getting started with generics
	Creating a generic networking library
	Key points
	Where to go from here?
Chapter 5: Numerics & Ranges
	Representing numbers
	Integers
	Floating-point
	Full generic programming with floating-point
	Ranges
	Key points
	Where to go from here?
Chapter 6: Sequences, Collections & Algorithms
	A family of protocols
	Sequences and collections
	Iterators and sequences
	Collections
	Generic algorithms
	Key points
	Where to go from here?
Chapter 7: Strings
	Binary representations
	Human representation
	Grapheme cluster
	UTF in Swift
	String and Substring in memory
	Custom string interpolation
	Key points
Chapter 8: Codable
	What is Codable?
	What you’ll learn, and what you won’t
	Brushing up on the basics
	API #1: Ray’s Books
	Key decoding strategies
	Data decoding strategies
	API #2: Magic: The Gathering
	API #3: Alpha Vantage
	Encoding
	Key points
Chapter 9: Unsafe
	Definition of unsafe & undefined behaviors
	What is a pointer?
	Memory layout
	Trivial types
	Pointer types
	Memory binding
	Unsafe operations
	Key points
	Where to go from here?
Chapter 10: Higher-Order Functions
	A simple text printer
	First-order functions
	Your first higher-order function
	Higher-order functions in the standard library
	Function as a return type
	Key points
	Where to go from here?
Chapter 11: Functional Reactive Programming
	Functional? Reactive?
	Reactive basics
	The Luthier app
	Checkout
	Performing Checkout
	Key points
	Where to go from here?
Chapter 12: Objective-C Interoperability
	What you’ll learn
	Getting started
	Bridging and umbrella headers
	Making the app launch
	Enriching FeedItem
	Objective-C and … SwiftUI ?!
	Key points
	Where to go from here?
Chapter 13: Instrumentation
	Getting started
	Memory optimization
	Memory leaks
	Performance
	Core Data
	Build times
	Timelane
	Signpost
	Key points
Chapter 14: API Design Tips & Tricks
	What do developers want?
	What is the core of your API?
	Using access levels properly
	Exploring your interface
	Language features
	Documenting your code
	Publishing to the world
	Key points
	Where to go from here?
Conclusion