Swift actor

class Settings {
    var count:Int=0
}

actor Test{
    // var count:Int=0
    var settings:Settings

    init(s:Settings){
        self.settings = s
    }
}

let test = Test(s:Settings())

await withTaskGroup(of: Void.self){group in
    for i in 1...10000{
        print("index:\(i)")
        group.addTask{
            await add()
        }
    }
}

func add() async {
    await test.settings.count+=1
}

print(await test.settings.count)