Doug Gregor's guest appearances

Doug Gregor

Swift Unwrapped

Swift by Sundell

Chris Lattner

Ted Kremenek

Mike Ash

Paige Bailey

Ryan Nystrom

Brian Lovin

Ben Cohen

Benedikt Terhechte

James Thomson

Chris Eidhof

Anastasiia Voitova

Marcin Krzyzanowski

Erica Sadun

David Hart

Adam Bell

OwlTail

Doug Gregor from Apple joins John to discuss Swift 5.5’s new concurrency features in great detail. How do features like async/await and actors work under the hood, and how were those concepts adapted in order to feel right at home within Swift’s existing ecosystem? That, and much more, on this WWDC21 special episode of the show.SponsorsDetailsPro: A native, fast, and beautiful design tool for iPhone, iPad and Mac, which lets you design, prototype and even build entire SwiftUI-powered UIs super easily. Try it for free at detailspro.app.RevenueCat: In-app subscriptions made easy. RevenueCat handles the pain points of implementing subscriptions and in-app purchases, so that you can get back to building your app. Learn more at revenuecat.com.LinksDoug on TwitterJohn on TwitterSwift EvolutionAsync/awaitFutures and PromisesCombineTaskURLSession’s async/await-powered APIsContinuationsUsing SwiftUI’s refreshable modifierSwiftUI’s task modifierCalling async APIs from a synchronous contextAsyncSequenceDoug and Dario Rexin’s WWDC21 talk about actorsErlangAkka’s implementation of actorsThe Sendable protocolThe MainActor typeIntro and outro music by Dariusz Dziuk

<p>Doug Gregor from Apple joins John to discuss Swift 5.5’s new concurrency features in great detail. How do features like async/await and actors work under the hood, and how were those concepts adapted in order to feel right at home within Swift’s existing ecosystem? That, and much more, on this WWDC21 special episode of the show.</p><h2>Sponsors</h2><ul><li><strong><a href="https://detailspro.app" rel="nofollow" target="_blank">DetailsPro</a>:</strong> A native, fast, and beautiful design tool for iPhone, iPad and Mac, which lets you design, prototype and even build entire SwiftUI-powered UIs super easily. Try it for free at <a href="https://detailspro.app" rel="nofollow" target="_blank">detailspro.app</a>.</li><li><strong><a href="https://www.revenuecat.com" rel="nofollow" target="_blank">RevenueCat</a>:</strong> In-app subscriptions made easy. RevenueCat handles the pain points of implementing subscriptions and in-app purchases, so that you can get back to building your app. Learn more at <a href="https://www.revenuecat.com" rel="nofollow" target="_blank">revenuecat.com</a>.</li></ul><h2>Links</h2><ul><li><a href="https://twitter.com/dgregor79" rel="nofollow" target="_blank">Doug on Twitter</a></li><li><a href="https://twitter.com/johnsundell" rel="nofollow" target="_blank">John on Twitter</a></li><li><a href="https://apple.github.io/swift-evolution" rel="nofollow" target="_blank">Swift Evolution</a></li><li><a href="https://github.com/apple/swift-evolution/blob/main/proposals/0296-async-await.md" rel="nofollow" target="_blank">Async/await</a></li><li><a href="https://www.swiftbysundell.com/articles/under-the-hood-of-futures-and-promises-in-swift" rel="nofollow" target="_blank">Futures and Promises</a></li><li><a href="https://www.swiftbysundell.com/discover/combine" rel="nofollow" target="_blank">Combine</a></li><li><a href="https://developer.apple.com/documentation/swift/task" rel="nofollow" target="_blank">Task</a></li><li><a href="https://wwdcbysundell.com/2021/using-async-await-with-urlsession" rel="nofollow" target="_blank">URLSession’s async/await-powered APIs</a></li><li><a href="https://github.com/apple/swift-evolution/blob/main/proposals/0300-continuation.md" rel="nofollow" target="_blank">Continuations</a></li><li><a href="https://wwdcbysundell.com/2021/exploring-new-swiftui-list-apis/#pull-to-refresh" rel="nofollow" target="_blank">Using SwiftUI’s refreshable modifier</a></li><li><a href="https://developer.apple.com/documentation/swiftui/emptyview/task(_:)" rel="nofollow" target="_blank">SwiftUI’s task modifier</a></li><li><a href="https://wwdcbysundell.com/2021/calling-async-apis-from-synchronous-contexts" rel="nofollow" target="_blank">Calling async APIs from a synchronous context</a></li><li><a href="https://developer.apple.com/documentation/swift/asyncsequence" rel="nofollow" target="_blank">AsyncSequence</a></li><li><a href="https://developer.apple.com/wwdc21/10133" rel="nofollow" target="_blank">Doug and Dario Rexin’s WWDC21 talk about actors</a></li><li><a href="https://www.erlang.org" rel="nofollow" target="_blank">Erlang</a></li><li><a href="https://doc.akka.io/docs/akka/current/actors.html" rel="nofollow" target="_blank">Akka’s implementation of actors</a></li><li><a href="https://developer.apple.com/documentation/swift/sendable" rel="nofollow" target="_blank">The Sendable protocol</a></li><li><a href="https://developer.apple.com/documentation/swift/mainactor" rel="nofollow" target="_blank">The MainActor type</a></li><li><a href="https://soundcloud.com/banana-drama" rel="nofollow" target="_blank">Intro and outro music by Dariusz Dziuk</a></li></ul>

99: “Structured concurrency”, with special guest Doug Gregor

 Burritos: https://github.com/guillermomuntaner/Burritos SE-0260 Library Evolution: https://github.com/apple/swift-evolution/blob/master/proposals/0260-library-evolution.md SE-0030 Property Behaviors: https://github.com/apple/swift-evolution/blob/master/proposals/0030-property-behavior-decls.md SE-0258 Property Wrappers: https://github.com/apple/swift-evolution/blob/master/proposals/0258-property-wrappers.md Function Builders: https://forums.swift.org/t/function-builders/25167 SE-0244 Opaque Result Types: https://github.com/apple/swift-evolution/blob/master/proposals/0244-opaque-result-types.md SE-0255 Implicit returns from single-expression functions: https://github.com/apple/swift-evolution/blob/master/proposals/0255-omit-return.md SwiftUI: https://developer.apple.com/xcode/swiftui/  Get in Touch If you're enjoying the show and want to say thank you, the best way to do that is by leaving us a review on iTunes! It lets us know what you think of the show and helps us climb the charts so other people can find the show. We've also got a channel set up on Spectrum.chat! If you want to talk about today's episode, ask us a question or just follow the conversation, jump in anytime at spectrum.chat/specfm/swift-unwrapped

<ul> <li>Burritos: <a href="https://github.com/guillermomuntaner/Burritos" rel="nofollow" target="_blank">https://github.com/guillermomuntaner/Burritos</a></li> <li>SE-0260 Library Evolution: <a href="https://github.com/apple/swift-evolution/blob/master/proposals/0260-library-evolution.md" rel="nofollow" target="_blank">https://github.com/apple/swift-evolution/blob/master/proposals/0260-library-evolution.md</a></li> <li>SE-0030 Property Behaviors: <a href="https://github.com/apple/swift-evolution/blob/master/proposals/0030-property-behavior-decls.md" rel="nofollow" target="_blank">https://github.com/apple/swift-evolution/blob/master/proposals/0030-property-behavior-decls.md</a></li> <li>SE-0258 Property Wrappers: <a href="https://github.com/apple/swift-evolution/blob/master/proposals/0258-property-wrappers.md" rel="nofollow" target="_blank">https://github.com/apple/swift-evolution/blob/master/proposals/0258-property-wrappers.md</a></li> <li>Function Builders: <a href="https://forums.swift.org/t/function-builders/25167" rel="nofollow" target="_blank">https://forums.swift.org/t/function-builders/25167</a></li> <li>SE-0244 Opaque Result Types: <a href="https://github.com/apple/swift-evolution/blob/master/proposals/0244-opaque-result-types.md" rel="nofollow" target="_blank">https://github.com/apple/swift-evolution/blob/master/proposals/0244-opaque-result-types.md</a></li> <li>SE-0255 Implicit returns from single-expression functions: <a href="https://github.com/apple/swift-evolution/blob/master/proposals/0255-omit-return.md" rel="nofollow" target="_blank">https://github.com/apple/swift-evolution/blob/master/proposals/0255-omit-return.md</a></li> <li>SwiftUI: <a href="https://developer.apple.com/xcode/swiftui/" rel="nofollow" target="_blank">https://developer.apple.com/xcode/swiftui/</a></li> </ul> <h2>Get in Touch</h2> <p>If you're enjoying the show and want to say thank you, the best way to do that is by <a href="https://itunes.apple.com/us/podcast/swift-unwrapped/id1209817203?mt=2" rel="nofollow" target="_blank">leaving us a review on iTunes</a>! It lets us know what you think of the show and helps us climb the charts so other people can find the show.</p> <p>We've also got a channel set up on Spectrum.chat! If you want to talk about today's episode, ask us a question or just follow the conversation, jump in anytime at <a href="https://spectrum.chat/specfm/swift-unwrapped" rel="nofollow" target="_blank">spectrum.chat/specfm/swift-unwrapped</a></p>

79: Swift 5.1 with Doug Gregor