swiftui-bug.swift

...

struct ContentView: View {
  @State private var selection: String?

  var body: some View {
    NavigationView {
      VStack {
        ButtonView(
          message: "First screen",
          buttonTitle: "Tap me!",
          onTap: { self.selection = "view-2" }
        )
       
        NavigationLink(
          destination: ButtonView(
            message: "Second screen",
            buttonTitle: "Tap me, again!",
            onTap: { self.selection = "view-3" }
          ),
          tag: "view-2",
          selection: self.$selection
        ) { EmptyView() }
       
        NavigationLink(
          destination: ButtonView(
            message: "Third screen",
            buttonTitle: "One more time...",
            onTap: { self.selection = "view-4" }
          ),
          tag: "view-3",
          selection: self.$selection
        ) { EmptyView() }
      
        NavigationLink(
          destination: Text("Final screen"),
          tag: "view-4",
          selection: self.$selection
        ) { EmptyView() }
      }
    }
  }
}