async_task_groups_and_actors.swift

// RUN: %target-swift-frontend -disable-availability-checking %s -emit-sil -o /dev/null -verify -strict-concurrency=complete -enable-upcoming-feature RegionBasedIsolation

// REQUIRES: concurrency
// REQUIRES: libdispatch
// REQUIRES: swift_feature_RegionBasedIsolation

@MainActor
classMyActor{
func check()asyncthrows{
awaitwithTaskGroup(of:Int.self){ group in
 group.addTask{
2
}
await group.waitForAll()
}

tryawaitwithThrowingTaskGroup(of:Int.self){ throwingGroup in
 throwingGroup.addTask{
2
}
tryawait throwingGroup.waitForAll()
}

awaitwithDiscardingTaskGroup{ discardingGroup in
 discardingGroup.addTask{
()
}
}

tryawaitwithThrowingDiscardingTaskGroup{ throwingDiscardingGroup in
 throwingDiscardingGroup.addTask{
()
}
}
}
}