SwiftUI Swap the position of an element in a Stack View with animation

SwapSwiftUI.swift

import SwiftUI

extension String: Identifiable {
  public var id: String { return self }
}

struct ContentView: View {
  
  @State var list: [String] = ["Hello", "World"]
  
  var body: some View {
    VStack{
      ForEach(list) { str in
        Text(str)
      }
      Button(action: {
        self.list.swapAt(0, 1)
      }) {
        Text("Animate")
      }
    }.animation(.default)
  }
}

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