Swift 4 Protocol-Oriented Programming - Third Edition电子书

Title Page

Third Edition

Copyright

Swift 4 Protocol-Oriented Programming

Third Edition

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

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

Starting with the Protocol

Protocol syntax

Defining a protocol

Property requirements

Method requirements

Optional requirements

Protocol inheritance

Protocol composition

Using protocols as a type

Polymorphism with protocols

Type casting with protocols

Associated types with protocols

Delegation

Designing with protocols

Protocols in the Swift standard library

Summary

Our Type Choices

Classes

Structures

Access controls

Enumerations

Tuples

Protocols

Value and reference types

Recursive data types for reference types only

Inheritance for reference types only

Dynamic dispatch

Swift's built-in types

Copy-on-write

Summary

Extensions

Defining an extension

Protocol extensions

Text validation

Extensions with the Swift standard library

Conforming to the Equatable protocol

Summary

Generics

Generic functions

Type constraints with Generics

Generic types

Associated types

Generic subscripts

Copy-on-write

Generics in a protocol-oriented design

Generics in the Swift standard library

Summary

Object-Oriented Programming

What is object-oriented programming?

Requirements for the sample code

Swift as an object-oriented programming language

Issues with the object-oriented design

Summary

Protocol-Oriented Programming

Requirements for the sample code

Swift as a protocol-oriented programming language

Summarizing protocol-oriented programming and object-oriented programming

Differences between object-oriented programming and protocol-oriented programming

Protocol and protocol extensions compared with superclasses

Implementing vehicle types

Using value and reference types

The winner is...

Summary

Adopting Design Patterns in Swift

What are design patterns?

Creational patterns

The singleton design pattern

Understanding the problem

Understanding the solution

Implementing the singleton pattern

The builder design pattern

Understanding the problem

Understanding the solution

Implementing the builder pattern

The factory method pattern

Understanding the problem

Understanding the solution

Implementing the factory method pattern

Structural design patterns

The bridge pattern

Understanding the problem

Understanding the solution

Implementing the bridge pattern

The facade pattern

Understanding the problem

Understanding the solution

Implementing the facade pattern

The proxy design pattern

Understanding the problem

Understanding the solution

Implementing the proxy pattern

Behavioral design patterns

The command design pattern

Understanding the problem

Understanding the solution

Implementing the command pattern

The strategy pattern

Understanding the problem

Understanding the solution

Implementing the strategy pattern

The observer pattern

Understanding the problem

Understanding the solution

Implementing the observer pattern

Summary

Case Studies

Logging service

Requirements

The design

Conclusion

Data access layer

Requirements

The design

Data model layer

Data helper layer

Bridge layer

Using the data access layer

Conclusion

Summary