async_sequence_macosx.swift

// RUN: %target-swift-frontend -target %target-cpu-apple-macos14.0 %s -emit-sil -o /dev/null -verify -swift-version 6

// REQUIRES: concurrency, OS=macosx

func acceptClosure(_:()asyncthrows->Void){}

@available(macOS 13.0,*)
func f<S:AsyncSequence>(s:S)asyncthrows{
acceptClosure{
if #available(SwiftStdlib 6.0,*){
fortryawaitxin s {
print(x)
}
}
}
}

// Make sure we don't complain about crossing a concurrency boundary here.
@MainActor
classStore<Action:Sendable>{
privatefunc intercept(_ action:Action)asyncthrows{
awaitwithTaskGroup(of: Optional<Action>.self){ group in
forawaitcase let nextAction?in group {
 _ = nextAction
}
}

tryawaitwithThrowingTaskGroup(of: Optional<Action>.self){ group in
fortryawaitcase let nextAction?in group {
 _ = nextAction
}
}

}
}