29.11 Implementing Add and Edit Buttons

The Add and Edit buttons will be added to a navigation bar applied to the List view in the ContentView layout. The Navigation bar will also be used to display a title at the top of the list. These changes require the use of the navigationBarTitle() and navigationBarItems() modifiers as follows:

var body: some View {

    

    NavigationView {

            List {

                ForEach (carStore.cars) { car in

                    ListCell(car: car)

            }

        }

        .navigationBarTitle(Text(...