31.7 Using OutlineGroup

Now that we’ve seen the use of the List view to display hierarchical data, the project will be modified to make use of the OutlineGroup view within a list to divide the list into groups, each with a section header.

Once again working within the ContentView.swift file, modify the ContentView declaration so that it reads as follows:

struct ContentView: View {

    var body: some View {

        List {

            ForEach(carItems) { carItem in

                Section(header: Text(carItem.name)) {

                    OutlineGroup(carItem.children ?? [CarInfo](),

             ...