For a more in-depth exploration of Actors, refer to "An introduction to synchronizing access with Swift’s Actors" by Donny Wals. This new concept allows to solve data races and makes dealing with concurrent tasks much easier than before. To integrate the new async/await features to other parts of your existing code, consider John Sundell's "Connecting async/await to other Swift code" to develop a strategy for your project as they transition towards new Swift language features.Īctors are a new object in Swift 5.5 that isolates access to its mutable state, by requiring read or write access to be conducted asynchronously for any method that relies on the mutable state. For an easy-to-understand tutorial about async/await, follow the "Introduction to async/await in Swift" by Tibor Bödecs that he also extends towards Server Side Swift with his "Beginner's guide to the async/await concurrency API in Vapor & Fluent".
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Moving away from completion handlers and hard-to-read code blocks, developers can now await the results of asynchronous tasks with safer and much easier-to-read code.
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The async/await feature can certainly be seen as the star of the show at WWDC 2021 and completely shifts how to deal with concurrency in Swift. "Are these two different dogs? Or are these, in fact, two pictures of the same dog? The truth is, it's impossible to say! We just don't have enough information." Matt Ricketsonīuild interactive tutorials using DocC, introducing the powerful ability to craft immersive tutorials with rich instructions, example code with DocC that look just like those on the Apple Develop Documentation.Īlongside WWDC 2021 Swift 5.5 was released and even though the evolution of the language can be followed on, a lot of content was released by Apple to showcase new language features, most critically surrounding structured concurrency with async/await, actors, throwing properties, and extended property wrappers.įor a great summary of new features, we recommend "What's new in Swift 5.5?" by Paul Hudson that eloquently covers what is and what isn't new in Swift. In Jacob Xiao's words, "use tastefully".ĭemystify SwiftUI, the most comprehensive look at the underlying mechanics of SwiftUI and its philosophy of Identity, Lifetime, and Dependencies. These are some of our favorite session from WWDC 2021:Īdd rich graphics to your SwiftUI app, showcasing how to design beautiful, edge-to-edge graphics with super fancy materials and vibrancy options.
Whether you enjoyed WWDC more than ever or long for an in-presence conference in the future, there are tons of new things to explore for the next few months, so here are some of the articles from within the developer community about the latest features of Swift 5.5, new capabilities in SwiftUI or some of the newly released APIs. With over 200 sessions, more opportunities for one-on-one lab appointment with Apple engineers and specialists than ever, as well as the newly introduced digital pavilions on Slack, WWDC 2021 was certainly the most extensive and most accessible conference up to date with tons of new APIs introduced and upcoming versions of iOS, iPad OS, watchOS, tvOS and macOS being released as beta alongside Xcode 13. WWDC 2021 was the second all-digital conference after the switch to a remote event in 2020 due to the COVID-19 pandemic. Obviously, June is always the most critical month of the year for any Apple aficionado and the entire Apple developer community due to the annual worldwide developer conference.
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