What's New in Swift Five Dot Five?

Antoine van der Lee, creator of SwiftLee, joins John to discuss the new language features that are being introduced as part of Swift 5.5 — from the brand new concurrency system, to convenience features and various improvements.

Sponsors

• Stream: Build scalable in-app chat or activity feeds in record time using Stream’s open source, Swift-native SDK that’s backed by enterprise-grade server infrastructure. Get started for free at getstream.io/sundell, or browse their open job positions at getstream.io/team.
• 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.

Links

• Antoine on Twitter
• John on Twitter
• WeTransfer
• SwiftLee
• RocketSim
• The 2019 holiday special with Antoine and Donny Wals
• Xcode source editor extensions
• Automatic conversions between Double and CGFloat values
• Effectful read-only properties
• Computed properties vs methods
• Sendable
• Using the if compiler directive within expressions
• Unwrapping optionals within SwiftUI views
• Codable synthesis for enums with associated values
• Attaching property wrappers to function arguments
• Antoine’s article about using property wrappers for dependency injection
• Using static protocol APIs to create conforming instances
• The original Swift concurrency manifesto
• Previous episode about Swift’s concurrency features, with Doug Gregor from Apple
• Async/await
• NSLock
• Actors
• Structured concurrency
• Async let
• Connecting async/await to other Swift code
• The Operation type
• Using Combine subjects
• Async sequences
• Async streams
• RxSwift
• Intro and outro music by Dariusz Dziuk