struct DetailView: View {
   var body: some View {
      VStack {
         Text("Details")
            .padding()
         Spacer()
      }
      .navigationTitle("My Title")
      .navigationSubtitle("My Subtitle")
      .toolbarTitleDisplayMode(.inlineLarge)
      #if os(macOS)
      .ignoresSafeArea()
      .toolbar(removing: .title)
      .toolbarBackgroundVisibility(.hidden, for: .windowToolbar)
      #endif
   }
}