Swiftui 如何在一个VStack中添加两个NavigationLink

我试图在一个VStack中添加两个NavigationLink，但它报告了一个未知错误

struct LoginView: View {   
    @State private var selector = ""

    var body: some View {
        NavigationView {
            VStack(spacing: 30) { // error `Unable to infer complex closure return type; add explicit type to disambiguate`
                NavigationLink(destination: OneView(), tag: "one",
                               selection: $selector) { EmptyView() }
                
                NavigationLink(destination: TwoView(), tag: "two",
                               selection: $selector) { EmptyView() }
                
                Button("change to view") {
                    self.selector = "one"
                }
            }
            .navigationBarTitle("Test Navigation")
        }
    }
}

---

通过签名进行选择应该是可选的，所以这里有一个修正

struct LoginView: View {
    @State private var selector: String? = ""     // << here

    // ... other your code

struct LoginView:View{
@状态私有变量选择器：字符串？=“”//为什么需要向其添加选项？因为这是
NavigationLink
constructor-
public init（目的地：目的地，标记：V，选择：绑定，@ViewBuilder标签：（）->标签）的要求，其中V:Hashable