Swift Programming: The Big Nerd Ranch Guide by Mikey Ward -- Read -- Imperial Library of Trantor

Index

Title Page Dedication Acknowledgments Table of Contents Introduction

Learning Swift Why Swift? What About Objective-C? Prerequisites How This Book Is Organized How to Use This Book Challenges and For the More Curious Typographical Conventions Necessary Hardware and Software Using an eBook Before You Begin

I. Getting Started

1. Getting Started

Getting Started with Xcode Playing in a Playground Running Your Code Troubleshooting Playgrounds Varying Variables and Printing to the Console Adding Comments You Are on Your Way! Bronze Challenge

2. Types, Constants, and Variables

Types Constants vs Variables String Interpolation Bronze Challenge

II. The Basics

3. Conditionals

if/else Ternary Operator Nested ifs else if Bronze Challenge

4. Numbers

Integers Creating Integer Instances Operations on Integers

Integer division Operator shorthand Overflow operators

Converting Between Integer Types Floating-Point Numbers Ranges of Numbers Bronze Challenge For the More Curious: Numeric Literals

5. Switch

Switch Syntax

Ranges Value binding where clauses

Tuples and Pattern Matching switch vs if/else Bronze Challenge Silver Challenge

6. Loops

for-in Loops

where

while Loops repeat-while Loops Control Transfer Statements in Loops Silver Challenge

7. Strings

Working with Strings

Characters

Unicode

Unicode scalars Canonical equivalence

Counting elements Indices and ranges

Bronze Challenge Silver Challenge For the More Curious: Substrings For the More Curious: Multiline Strings

III. Collections and Functions

8. Arrays

Creating an Array Accessing and Modifying Arrays Combining Arrays Array Equality Immutable Arrays Documentation Bronze Challenge Silver Challenge

9. Optionals

Optional Types Optional Binding Implicitly Unwrapped Optionals Optional Chaining Modifying an Optional in Place The Nil Coalescing Operator Bronze Challenge Silver Challenge Gold Challenge

10. Dictionaries

Creating a Dictionary Accessing and Modifying Values Adding and Removing Values Looping over a Dictionary Immutable Dictionaries Translating a Dictionary to an Array Silver Challenge Gold Challenge

11. Sets

What Is a Set? Getting a Set Working with Sets

Unions Intersections Disjoint

Moving Between Types Bronze Challenge Silver Challenge

12. Functions

A Basic Function Function Parameters

Parameter names Default parameter values In-out parameters

Returning from a Function Nested Function Definitions and Scope Multiple Returns Optional Return Types Exiting Early from a Function Function Types Bronze Challenge Silver Challenge For the More Curious: Void For the More Curious: Variadic Parameters

13. Closures

Closure Syntax Closure Expression Syntax Functions as Arguments Closures Capture Their Enclosing Scope Functional Programming Higher-Order Functions

map(_:) filter(_:) reduce(_:_:)

Bronze Challenge Silver Challenge Gold Challenge For the More Curious: Functions as Return Types

IV. Enumerations, Structures, and Classes

14. Enumerations

Basic Enumerations Enumerations with Raw Values Methods Associated Values Bronze Challenge Silver Challenge For the More Curious: Recursive Enumerations

15. Structs and Classes

A New Project Structures Instance Methods

Mutating methods

Classes

A Monster class Inheritance

A Zombie subclass Preventing overriding The zombie problem Polymorphism and type casting

Looking Ahead: What Is the Real Difference? Bronze Challenge Silver Challenge For the More Curious: Type Methods

16. Properties

Basic Stored Properties Nested Types Lazy Stored Properties Computed Properties

A getter and a setter

Property Observers Type Properties Access Control

Controlling getter and setter visibility

Bronze Challenge Silver Challenge Gold Challenge For the More Curious: Key Paths

17. Initialization

Initializer Syntax Struct Initialization

Default initializers for structs Custom initializers for structs

Initializer delegation

Class Initialization

Default initializers for classes Initialization and class inheritance

Automatic initializer inheritance Designated initializers for classes Convenience initializers for classes

Required initializers for classes Deinitialization

Failable Initializers

A failable Town initializer

Initialization Going Forward Silver Challenge Gold Challenge For the More Curious: Initializer Parameters

18. Value vs Reference Types

Value Semantics Reference Semantics Constant Value and Reference Types Using Value and Reference Types Together Copying Equality vs Identity What Should I Use? For the More Curious: Copy on Write

V. Advanced Swift

19. Protocols

Formatting a Table of Data Protocols Protocol Conformance Protocol Inheritance Protocols as Types Protocol Composition Mutating Methods Bronze Challenge Silver Challenge Electrum Challenge Gold Challenge

20. Extensions

Extending an Existing Type Extending Your Own Type

Using extensions to add protocol conformance Adding an initializer with an extension Nested types and extensions Extensions with methods

Bronze Challenge Silver Challenge

21. Generics

Generic Data Structures Generic Functions and Methods Type Constraints Associated Types Type Constraints in where Clauses Generic Composition and Opaque Types Bronze Challenge Silver Challenge Gold Challenge For the More Curious: Understanding Optionals

22. Protocol Extensions

Modeling Exercise Extending Exercise Self Types and Type Values Protocol Extension where Clauses Default Implementations with Protocol Extensions Implementation Conflicts Bronze Challenge Silver Challenge Gold Challenge For the More Curious: Polymorphism and Protocol-Oriented Programming

23. Error Handling

Classes of Errors Lexing an Input String Catching Errors Parsing the Token Array Handling Errors by Sticking Your Head in the Sand Swift Error-Handling Philosophy Bronze Challenge Silver Challenge Gold Challenge For the More Curious: Storing Failable Results for Later

24. Memory Management and ARC

Memory Allocation Strong Reference Cycles Breaking Strong Reference Cycles with weak Reference Cycles with Closures Escaping and Non-Escaping Closures Tin Challenge Bronze Challenge Gold Challenge For the More Curious: A Bit of History For the More Curious: Do I Have the Only Reference?

25. Equatable, Comparable, and Hashable

Equatable

Infix operators Buy one method, get another free!

Comparable

Protocol inheritance

Hashable

Custom hashing

Bronze Challenge Silver Challenge Gold Challenge Platinum Challenge For the More Curious: Custom Operators

26. Property Wrappers

Defining a Property Wrapper

Additional configuration

Accessing the Wrapper Itself Projecting Related Values Bronze Challenge Silver Challenge Gold Challenge

VI. Writing Applications

27. Command-Line Utilities

Introduction to the Command Line Building the Word Finder

Loading the words from disk

Retrieving Command-Line Arguments Receiving Input Interactively Running Your App from the Command Line Parsing Command-Line Arguments with ArgumentParser

Adding ArgumentParser to your project Declaring arguments for ArgumentParser to parse

Silver Challenge Gold Challenge

28. iOS and macOS Apps

Getting Started with TahDoodle That is some View Displaying Dynamic Data Accepting User Input

Sharing references to value-type data Interlude: Troubleshooting with property observers

Observing Changes to the Store Saving and Loading User Data Supporting macOS Bronze Challenge Silver Challenge Gold Challenge

29. Conclusion

Where to Go from Here? Shameless Plugs An Invitation to the Community

Index

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