Quiz · 5 questions
🧵 Concurrency and Isolation
The boss track: language modes, actors, Sendable, and the closure that trapped off the main thread
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Quiz
01The same dictation code worked as app code in Swift 5 mode and crashed once compiled inside a Swift 6 package. What changed?
02Which change actually removes that trap?
03A @MainActor view controller's conformance to NSServicesMenuRequestor fails in Swift 6. AppKit always calls it on the main thread. What states that guarantee?
04start() awaits a permission prompt a person answers. What must the line after that await do?
05An engine must walk a large directory tree with synchronous file-system calls. Where should that work run?
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