@Animatable
struct CoolShape: Shape {
    var width: CGFloat
    var angle: Angle
    @AnimatableIgnored var isOpaque: Bool
    // animatableData synthesized from width + angle
}

struct SuggestionTextEditor: View {
    @State var text: AttributedString = ""
    @State var selection = AttributedTextSelection()

    var body: some View {
        VStack {
            TextEditor(text: $text, selection: $selection)
            SuggestionsView(substrings: getSubstrings(
                text: text, indices: selection.indices(in: text)))
        }
    }
}

struct MyTextFormattingDefinition: AttributedTextFormattingDefinition {
    var body: some AttributedTextFormattingDefinition<
        AttributeScopes.SwiftUIAttributes
    > {
        ValueConstraint(
            for: \.underlineStyle,
            values: [nil, .single],
            default: .single)
        MyAttributedTextValueConstraint()
        ContactsArePurple()
    }
}

import WebKit

struct ContentView: View {
    @State private var page = WebPage()

    var body: some View {
        NavigationStack {
            WebView(page)
                .navigationTitle(page.title)
        }
    }
}

class HostingSceneDelegate: UIHostingSceneDelegate {
    static var rootScene: some Scene {
        WindowGroup(id: "swiftui-window") {
            ContentView()
        }
    }
}

// Activate from UIKit:
if let request = UISceneSessionActivationRequest(
    hostingDelegateClass: HostingSceneDelegate.self,
    id: "swiftui-window"
) {
    UIApplication.shared.activateSceneSession(for: request)
}

ScrollView {
    LazyVStack {
        ForEach(data) { item in
            RowView(item)
        }
    }
}
.scrollEdgeEffectStyle(.hard, for: .all)

TabView {
    Tab("Numbers", systemImage: "number") {
        ScrollView {
            ForEach(0 ..< 50) { index in
                Text("\(index)").padding()
            }
        }
    }
}
.tabBarMinimizeBehavior(.onScrollDown)

ContentView()
    .toolbar(id: "main-toolbar") {
        ToolbarItem(id: "tag") { TagButton() }
        ToolbarItem(id: "share") { ShareButton() }
        ToolbarSpacer(.fixed)
        ToolbarItem(id: "more") { MoreButton() }
    }

struct HeightResizingExample: View {
    @State private var height: CGFloat = 300

    var body: some View {
        Color.red
            .overlay { Text("Tap to toggle").foregroundStyle(.white) }
            .onTapGesture {
                withAnimation(.easeInOut) {
                    height = height == 300 ? 700 : 300
                }
            }
            .frame(width: 250, height: height)
            .windowResizeAnchor(.top)
    }
}

VStack {
    ForEach(fruits) { fruit in
        FruitView(fruit)
            .draggable(containerItemID: fruit.name)
    }
}
.dragContainer(itemID: \Fruit.name) { ids in
    fruits(with: ids)
}