Possible to return an AsyncSequence<T> for iOS 17 when building against iOS 18?

[vanvoorden (Rick van Voorden)]

How to use `AsyncSequence` on macOS 14.5 in Xcode 16 beta? Need help with availability check since `Failure` is unavailb.e

(I'm using Xcode 16 beta on macOS 14.5) How do I get this to compile for both macOS 15 and macOS 14? : public final class EmitterOfEvents { public typealias Element = Int public func notifications() -> some AsyncSequence<Element, Never> { AsyncStream<Element>.makeStream().stream } } I get error: [Screenshot 2024-06-13 at 11.02.34] I'm well aware of SE-0421, and I'm excited about the change. Hopefully I'm just a bit tired right now and what I want is possible, but it feels like somethi…

There might be some ideas here that could help.