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Summary
Wrapping up the Swift track with what you can ship and where to go next.
What you learned
EXAMPLE
# Swift summary You can now: - Use optionals, generics, and protocols idiomatically - Build SwiftUI views with @State, @Binding, @Observable - Navigate with NavigationStack + sheets + paths - Concurrency: async/await, MainActor, Task, structured concurrency - Persist with SwiftData (or CoreData on older targets) - Network with URLSession async APIs + Codable - Test with XCTest, snapshot tests, integration tests - Ship to TestFlight + the App Store Next steps: - Try Swift on the server with Vapor or Hummingbird - Build a Vision Pro / visionOS app if the hardware fits your idea - Adopt @Observable everywhere targeting iOS 17+ - Read the Swift Evolution proposals quarterly What to avoid: - ObservableObject in new code if you target iOS 17+ - Completion handler patterns where async/await fits - Force unwrap (!) in production paths - Testing only on simulator - real devices reveal real issues
Why it matters
Swift evolves quickly. Stay on the latest tools, lean on @Observable + structured concurrency, and ship to TestFlight early. For server work, Vapor + Hummingbird are credible Node alternatives if your team is Swift-strong.
Tip: Tweak the snippet with Try it Yourself », then sit the quiz at the bottom of the page.
Example
Example
// Next: SwiftData, structured concurrency, macros, SwiftUI on macOS / visionOS.Try it Yourself »
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