NavigationStackExample.swift

import SwiftUI

struct ChildView: View {
    @Binding var path: NavigationPath
    let string: String

    var body: some View {
        VStack {
            Text(string)

            Button("Go deeper") {
                path.append("Deeper")
            }

            Button("Pop to root") {
                path.removeLast(path.count)
            }
        }
    }
}

struct FloWritesCodeNavigationStackExample: View {
    @State private var path = NavigationPath()

    var body: some View {
        NavigationStack(path: $path) {
            List {
                NavigationLink("Simple String", value: "Simple String")
            }
            .navigationDestination(for: String.self) { string in
                ChildView(path: $path, string: string)
            }
        }
    }
}

struct FloWritesCodeNavigationStackExample_Previews: PreviewProvider {
    static var previews: some View {
        FloWritesCodeNavigationStackExample()
    }
}