Modern Concurrency: Getting Started

Oct 18 2022 · Swift 5.5, iOS 15, Xcode 13.4

Part 1: Asynchronous Code

07. Conclusion

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You finished part one of this course, great work. To build your first asynchronous app, you took a quick look at some of the main features of Swift concurrency. Using a Async/Await, you fetched a list of stock symbols from the core server. And then you got a never ending AsyncSequence of price updates for the stock prices. You learned how to use the task view modifier to call an asynchronous method from a SwiftUI view and how to run your view updates on the main thread with MainActor. You even got some practice with handling errors. In part two of this course, you'll work on another app, SuperStorage. It's a cloud file storage app with three download plans. You get a more detailed look at Async/Await, AsyncSequence and MainActor. You'll use a top level asynchronous task to call an asynchronous method from a SwiftUI view. You'll learn the Async let syntax for grouping asynchronous tasks so they run at the same time. You'll use a download stream iterator to process Async sequence bites. You'll get more practice canceling tasks and you'll even integrate a combined publisher into your app. See you soon.