Combine: Asynchronous Programming with Swift, 3rd Edition

Combine: Asynchronous Programming with Swift, 3rd Edition

eBook Details:

  • Paperback: 447 pages
  • Publisher: WOW! eBook; 3rd edition (September 28, 2021)
  • Language: English
  • ISBN-10: 1950325490
  • ISBN-13: 978-1950325498

eBook Description:

Combine: Asynchronous Programming with Swift, 3rd Edition: Dive into Combine!: Up to date for iOS 15, Swift 5.5 & Xcode 13

Combine: Asynchronous Programming with Swift, 3rd Edition is the best book to master declarative asynchronous programming with Swift using the Combine framework!

Writing asynchronous code can be challenging, with a variety of possible interfaces to represent, perform, and consume asynchronous work – delegates, notification center, KVO, closures, etc. Juggling all of these different mechanisms can be somewhat overwhelming. Does it really have to be this hard? Not anymore!

With Apple’s introduction of the Combine framework in WWDC 2019, it is clear that Apple aims to position declarative and reactive programming in Swift as a long-term investment and a game-changer in how developers perform and compose pieces of asynchronous work, making it a must-have tool at your disposal.

The introduction of Combine as a built-in framework in Apple’s ecosystem is promising news to developers who were interested in frameworks such as RxSwift or ReactiveSwift, but didn’t want the overhead of a third-party dependency; and while experience with either of the above could be useful, it is not a prerequisite for this book. You’ll learn everything from the ground up to become a true Combine master.

Combine is Apple’s framework to work with asynchronous events in a unified and reactive way that ensures your app is always up to date based on the latest state of its data.

What are these asynchronous events, you might ask? Anything that happens over time in your application can be represented by what is known as a Combine Publisher – network requests, user input, notifications, KVO, and much more. And since Combine unifies all of these different mechanisms under a single interface, this opens the door to interesting and powerful ways of composing logic and work in a declarative and universal way.

Combine is also tightly integrated throughout Apple’s SDKs. For example, the UI framework SwiftUI uses Combine to ensure your app’s views stay up to date, which makes Combine a must-have for your skillset.

Topics Covered in Combine: Asynchronous Programming with Swift, Third Edition

  • What & Why: Learn what is Combine and reactive programming and the problems they solve, and how you can unify all of your asynchronous piece of work.
  • Operators: Learn how to compose, transform, filter and otherwise manipulate different pieces of asynchronous work using operators.
  • In Practice: You’ll gain knowledge on various topics and techniques you’ll leverage when writing your own real-life apps, as well as practice these techniques with actual hands-on apps and projects.
  • SwiftUI: You’ll learn about how Combine is deeply rooted within SwiftUI and provides it with the ability to reactively update its views based on the state of your app.
  • Advanced Combine: Once you’ve got a handle on the basics, you’ll dive into advanced Combine topics such as Error Handling, Schedulers, and Custom Publishers.

By the end of this Combine: Asynchronous Programming with Swift, 3rd Edition book, you’ll be a pro in building full-fledged applications using Combine’s various abilities.

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