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I've never been a big Core Data fan since it has cost me many days of my life debugging odd issues. To be fair, the issues weren't caused by Core Data. It was all of the foot-guns it left around that the junior developers on the team were more than happy to pick up and play with. This does look like an interesting use of macros though and is certainly a good example of how to craft more complex macros.

This is one feature that I missed from some other languages like Kotlin. It isn’t super useful for ifs but a switch with a lot of cases? Bring it on.

It looks like a big improvement over the 4 but sadly needs active cooling or it throttles under load quickly. It has a new form factor which requires a new case too. Still there are a lot of great additions that make it a good upgrade.

cross-posted from: https://programming.dev/post/3558087

Type parameter packs and value parameter packs allow you to write a generic function that accepts an arbitrary number of arguments with distinct types. As a result of SE-393, SE-398, and SE-399, you can use this new feature from Swift 5.9.

Type parameter packs and value parameter packs allow you to write a generic function that accepts an arbitrary number of arguments with distinct types. As a result of SE-393, SE-398, and SE-399, you can use this new feature from Swift 5.9.

I found this link via SwiftUI Weekly #161

Actors is the new Swift language feature, making your types thread-safe. This week, we will learn how to use actors and their benefits over locks. We will also discuss actor reentrancy, the main confusing point of using actors.

In the previous post, we modeled a Store type, allowing us to implement state management predictably.

A modular project approach for Flutter. Nino Handler shows us how to organize our app into a package-based modular app architecture.

How to Fetch Data and Perform Data Mutations with the Riverpod Architecture. Andrea Bizzotto gives us a great tutorial on how to fetch data and perform mutations using Riverpod.

How to use URL Launcher package in flutter | URL Launcher | #flutter #flutterdev #flutterwidgets. By WorldOfFlutter. A brief description on how to use the URL Launcher package by flutter. Follow the above steps for different URL schemes and use it in your projects!

A Complete Guide for using Dynamic Island in your next Flutter App. By Yash Makan. In this comprehensive tutorial, I'll walk you through the exciting world of Dynamic Island on iOS and how to seamlessly integrate them into your Flutter application with real-time API integration.

And more

When constructing an app’s user interface (UI), the choice of framework is incredibly important. The right UI framework can make an app feel smooth, responsive, even delightful, while a UI framework that doesn’t match an app’s needs can make it feel sluggish and broken. This principle extends to developer experience as well; a UI framework with well-designed APIs can enable engineers to express themselves fluently, efficiently, and correctly, while one with the wrong abstractions or inconsistent APIs can make engineers’ jobs more difficult by slowing them down with unnecessary complexity.

At Airbnb, we want our mobile apps to provide a world-class user experience and a world-class developer experience. This desire led us to build our own UI framework named Epoxy in 2016. Epoxy is a declarative UI framework, which means that engineers describe what their UI should be structured like for a given screen state and the framework then figures out how to make updates to the view hierarchy to render the screen contents. Epoxy uses UIKit under the hood to render views.

The iOS UI framework landscape shifted in 2019 with the introduction of SwiftUI, a first-party declarative UI framework that accomplishes many of the same goals as Epoxy. Although SwiftUI was not a good fit for our needs during its first three years, by 2022 it offered increased stability and API availability. It was around this time that we started to consider adopting SwiftUI at Airbnb.

In my own experience rewriting a UIKit app to SwiftUI I would say that we realized a 3x code reduction. It isn't a perfect measurement because there are functionality changes from the old code and new.

I’m excited to announce a new open source project exploring improvements to the testing experience for Swift. My colleagues @briancroom, @grynspan, @chefski, @Dennis and I have been working on this in recent months and have some early progress we're excited to share.

Inspired by what’s possible with Swift macros, we’ve built a testing library API that can:

Provide granular details about individual tests using an attached macro named @Test. This enables many new features like expressing requirements, passing arguments, or adding custom tags, all directly in code instead of separate configuration files. Validate expected conditions in tests with detailed and actionable failure information using an expression macro spelled #expect(...). This works by capturing the values of passed-in expressions and their source code automatically to inform failure messages, and is also easier to learn than specialized assertion functions since it accepts built-in operator expressions like #expect(a == b). Easily repeat a test multiple times with different inputs by adding a parameter to the function and specifying its arguments in the @Test attribute.

Flutter Connection 2023 was held in Paris on June 2nd. There are 12 videos available to watch from YouTube with some interesting topics covered.

This edition covers Flutter performance tips, parallel API calls, the power of the late keyword, hook widgets for state management, and various Flutter-related videos and packages.

Swift 5.9 is now available! 🎉

This is a major new release that adds an expressive macro system to the language and introduces support for integrating Swift into C++ codebases through bidirectional interoperability.

It also introduces parameter packs, an improved expression evaluator while debugging, enhanced crash handling, Windows platform improvements, and more.