swiftbysundell.comadded August 2026
Swift by Sundell21d ago
Swift protocols and the main actor In Swift, the @MainActor attribute can be used to associate a given type, function, or value with the global main actor, which essentially makes any such code...
Swift by Sundell31 Aug 2025
Building a design system at Genius Scan As an app’s code base grows and evolves, it can be really tricky to maintain consistency within its UI.
Swift by Sundell23 Jul 2025
Deciding between ‘let’ and ‘var’ for Swift struct properties When declaring a Swift property, we use either the let or var keyword depending on whether we want our new property to be read-only once...
Swift by Sundell30 Jun 2025
Decoding Swift types that require additional data Swift’s Codable API — which consists of the Encodable protocol for encoding, and Decodable for decoding — offers a powerful, built-in mechanism for...
Swift by Sundell30 May 2025
Tips and tricks for when using SwiftUI’s ViewBuilder SwiftUI’s ViewBuilder type is a key part of the library’s overall API design, in that it’s what enables multiple view expressions to be declared...
Swift by Sundell15 Apr 2025
Using Swift’s defer keyword within async and throwing contexts Swift’s defer keyword allows us to delay the execution of a given block of code until the current scope is exited.
Swift by Sundell31 Mar 2025
Modern URL construction in Swift These days, most applications need to work with URLs in some form.
Swift by Sundell31 Mar 2025
Swift by Sundell is back! I never actually decided to stop writing Swift articles. It just sort of happened.
Swift by Sundell27 Feb 2023
This article has been archived, as it was published several years ago, so some of its information might now be outdated. For more recent articles, please visit the main article feed.
Swift by Sundell30 Jan 2023
This article has been archived, as it was published several years ago, so some of its information might now be outdated. For more recent articles, please visit the main article feed.
Swift by Sundell19 Dec 2022
123: “The evolution of Swift” with special guest Nick Lockwood On this final episode of 2022, Nick Lockwood returns to the show to discuss the overall evolution of Swift and its ecosystem of tools...
Swift by Sundell18 Nov 2022
122: “Swift concurrency in practice” with special guest Ben Scheirman Ben Scheirman returns to the show to discuss how Swift’s built-in concurrency features, such as async/await and tasks, can be...
Swift by Sundell12 Nov 2022
This article has been archived, as it was published several years ago, so some of its information might now be outdated. For more recent articles, please visit the main article feed.
Swift by Sundell31 Oct 2022
121: “Responsive and smooth UIs” with special guest Adam Bell Adam Bell returns to the podcast to discuss different techniques and approaches for optimizing UI code, and how to utilize tools like...
Swift by Sundell17 Sept 2022
120: “Freelancing and WWDC22 highlights” with special guest Donny Wals Donny Wals returns to the show to talk about being an iOS developer freelancer, and to discuss some of the key new APIs, Swift...
Swift by Sundell31 Aug 2022
119: “The role of system design” with special guest Gui Rambo Gui Rambo returns to the show to talk about the role and importance of system design when building apps and open source tools, and how...
Swift by Sundell13 Jul 2022
This sponsored article has been archived, as it was published several years ago, so some of its information might now be outdated. For more recent articles, please visit the main article feed.
Swift by Sundell11 Jul 2022
118: “What’s new in SwiftUI in iOS 16?” with special guest Natalia Panferova Natalia Panferova joins John to discuss some of the key new features that are coming to SwiftUI and UIKit in iOS 16, and...
Swift by Sundell8 Jul 2022
This article has been archived, as it was published several years ago, so some of its information might now be outdated. For more recent articles, please visit the main article feed.
Swift by Sundell10 Jun 2022
117: “Swift 5.7, generics, and the road to Swift 6” with special guest Ben Cohen Ben Cohen, manager of the Swift team at Apple, joins John on this WWDC22 special to discuss Swift 5.7, how generics...
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