let future1 = Future<String, Never> { promise in
    DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
        promise(.success("hello"))
    }
}
        
let future2 = Future<String, Never> { promise in
    DispatchQueue.main.asyncAfter(deadline: .now() + 10) {
        promise(.success("world"))
    }
}
        
let publisherZipped = Publishers.Zip(future1, future2)
    .sink { print("\($0.0) \($0.1)") }