Swift by Sundell - Swift by Sundell Newsletter #31

👋 Hi everyone!

Here’s your monthly recap of everything that I published on Swift by Sundell during February. Hope that you’re continuing to enjoy my Swift coverage, and feel free to reply if you have any feedback, questions, or topic requests.

📖 Articles

New articles of various lengths are now continuously posted on Swift by Sundell. These articles were published during the past month:

Passing methods as SwiftUI view actions

How event handling logic can be neatly encapsulated using private methods when building SwiftUI views.

Managing self and cancellable references when using Combine

Avoiding common memory-related issues when working with self and cancellable references within the context of Combine.

Chained implicit member expressions in Swift 5.4

How implicit member expressions can now be chained, and what sort of APIs that this new feature might enable us to design.

Unit testing Combine-based Swift code

Unit testing code that’s based on Combine publishers, and how Combine’s built-in APIs can be augmented with test-specific utilities.

Ignoring invalid JSON elements when using Codable

How elements containing missing or invalid data can be automatically ignored when using Swift’s Codable API to parse JSON.

🎧 Podcast episodes

The Swift by Sundell podcast is a bi-weekly show featuring special guests from all around the Swift community. You can find it in your podcast player of choice, for example Apple Podcasts or Overcast. These episodes were published during the past month:

91: “Is SwiftUI ready for production?”, with David Smith

David Smith, creator of apps like Widgetsmith, returned to the show to discuss whether SwiftUI is currently capable and stable enough to build production-level apps, and what sort of things that can be good to keep in mind when starting to deploy SwiftUI in production.

92: “All of our wildest Swift dreams”, with Kaitlin Mahar

Kaitlin Mahar, lead engineer at MongoDB and member of the Swift Server Work Group, joined me to discuss the current state of server-side Swift, designing APIs for server-side libraries, and Swift’s upcoming suite of structured concurrency features.

😊 Until next time

That’s it for this edition! I hope you enjoyed this newsletter. I always love to hear your feedback, so feel free to either reply to this email, or contact me on Twitter @johnsundell. I read every single piece of feedback that I get, and I try to reply to as many people as I possibly can.

Thanks for reading!

- John