All Tutorials · 24 Results
iOS & Swift
Combine: Asynchronous Programming With Swift
Learn all about 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…
iOS & Swift
Chapter in Combine: Asynchronous Programming With Swift
Combining Operators
Publishers are extremely powerful, but they're even more powerful when composed together! This chapter will teach you about Combine's combining operators which let you take multiple streams and create meaningful logical relationships between them…
iOS & Swift
Chapter in Combine: Asynchronous Programming With Swift
In Practice: Combine & SwiftUI
SwiftUI is the new user interface paradigm from Apple and it's designed for an interplay with Combine on a whole new level. In this chapter you are going to work through a Combine based SwiftUI project…
iOS & Swift
Chapter in Combine: Asynchronous Programming With Swift
In Practice: Project "News"
…past few chapters, you learned about few practical applications of the Combine integration in Foundation types. You learned how to use URLSession‘s data task publisher to make network calls, you saw how to observe KVO-compatible objects with Combine and more. In this chapter, you will combine your solid…
iOS & Swift
Chapter in Combine: Asynchronous Programming With Swift
Custom Publishers & Handling Backpressure
…this point in your journey to learn Combine, you may feel like there are plenty of operators missing from the framework. This may be particularly true if you have experience with other reactive frameworks, which typically provide a rich ecosystem of operators, both built-in and third-party. Combine allows…
iOS & Swift
Chapter in Combine: Asynchronous Programming With Swift
In Practice: Building a Complete App
…gained valuable skills throughout this book, and in the last section you picked up some advanced Combine chops, too. In this final chapter, the pièce de résistance, you’ll build a complete app that applies what you’ve learned — but the learning is not done yet! Core Data in Combine…
iOS & Swift
Chapter in Combine: Asynchronous Programming With Swift
Publishers & Subscribers
…essence of Combine is that publishers send values to subscribers. In this chapter you’ll learn all about what that means and how to work with publishers and subscribers, and manage the subscriptions that are created between the two of them. This will start you on your foundation for learning…
iOS & Swift
Chapter in Combine: Asynchronous Programming With Swift
Transforming Operators
…this chapter, you’re going to learn about one of the essential categories of operators in Combine: Transforming operators. You’ll use transforming operators all the time, to manipulate values coming from publishers into a format that is usable for your subscribers. As you’ll see, there are parallels between…
iOS & Swift
Chapter in Combine: Asynchronous Programming With Swift
Conclusion
…finally here! Congratulations on completing this book, and we hope you enjoyed learning about Combine from the book as much as we’ve enjoyed making it. In this book, you’ve learned about how Combine enables you to write apps in a declarative and expressive way while also making your…
iOS & Swift
Chapter in Combine: Asynchronous Programming With Swift
Sequence Operators
…this point, you know most of the operators that Combine has to offer! How great is that? There’s still one more category for you to dig into, though: Sequence Operators. Sequence operators are easiest to understand when you realize that publishers are just sequences themselves. Sequence operators work with…