AppView.swift

struct AppView: View {
  @ObservedObject var navigation: AppNavigation
  
  var body: some View {
    CustomTabBar(selection: $navigation.selectedTab) {
      feedTab()           // ] returns the feed SwiftUI view
      searchTab()         // ⎤
      liveTab()           // ⎥ return views of UIViewControllerRepresentable
      notificationsTab()  // ⎥
      profileTab()        // ⎦
    }
  }
}