Swift blog posts, tutorials, tips, and tricks

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@dynamicCallable in Swift explained with code examples

It's all in the name: @dynamicCallable in Swift allows you to dynamically call methods using an alternative syntax. While it's ...
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• 3 min read Nov 22, 2022 Swift

Binary Targets in Swift Package Manager

Binary Targets in Swift Package Manager (SPM) allow packages to declare xcframework bundles as available targets. The technique is often ...
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• 6 min read Nov 15, 2022 Optimization Swift

Result builders in Swift explained with code examples

Result builders in Swift allow you to build up a result using 'build blocks' lined up after each other. They ...
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• 9 min read Nov 08, 2022 Swift

Getting started with Unit Tests in Swift

Unit tests in programming languages ensure that written code works as expected. Given a particular input, you expect the code ...
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• 8 min read Nov 01, 2022 Swift Xcode

Announcing the SwiftLee Talent Collective

Today I'm excited to introduce you to the SwiftLee Talent Collective — an initiative to connect engineers with exciting companies ...
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• 4 min read Oct 18, 2022 Swift

Alternate App Icon Configuration in Xcode

Adding alternate app icons to your app allows users to customize their home screen with an app icon that fits ...
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• 5 min read Oct 11, 2022 Swift SwiftUI

Never keyword in Swift: return type explained with code examples

The Never type in Swift allows you to tell the compiler about an exit point in your code. It's a ...
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• 3 min read Oct 04, 2022 Swift

Deadlocks in Swift explained: detecting and solving

Deadlocks in Swift can make your app hang, causing a frustrating situation for both you and your users. Your app ...
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• 4 min read Sep 20, 2022 Debugging Swift

Shared with You implementation and testing explained

iOS 16 introduced Shared with You allowing you to showcase content shared in Messages inside your app. Users can find ...
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• 5 min read Aug 09, 2022 Swift

Sendable and @Sendable closures explained with code examples

Sendable and @Sendable are part of the concurrency changes that arrived in Swift 5.5 and address a challenging problem of ...
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• 7 min read Aug 02, 2022 Concurrency Swift

URLSessionConfiguration: Exploring opt-in configurations

URLSessionConfiguration can be used to initialize URLSession instances in Swift. While in most cases, you'll likely use the default configuration, ...
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• 4 min read Jul 19, 2022 Swift

App Store Connect API SDK in Swift: Creating Developer Tools

The new App Store Connect API was announced during WWDC 2018 and made it possible to write applications for App ...
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• 5 min read Jul 12, 2022 Swift