拖动到SwiftUI中的另一个视图时删除视图

struct ContentView: View {
    @State private var views = [Color.red, Color.green, Color.blue]
    
    var body: some View {
        VStack {
            ForEach(views, id: \.self) { view in
                view
                    .frame(width: 100, height: 100)
                    .gesture(
                        DragGesture()
                            .onDrag {
                                NSItemProvider(object: String(describing: view))
                            }
                    )
                    .onDrop(of: ["public.text"], delegate: MyDropDelegate(item: view, views: $views))
            }
        }
    }
}

struct MyDropDelegate: DropDelegate {
    let item: Color
    @Binding var views: [Color]
    
    func performDrop(info: DropInfo) -> Bool {
        if let index = views.firstIndex(of: item) {
            views.remove(at: index)
            return true
        }
        return false
    }
    
    func validateDrop(info: DropInfo) -> Bool {
        true
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}