SwiftUI Mac double-clicking in list

ContentView.swift

import SwiftUI

struct ContentView: View {
  @State private var selectedRow: Int?
  @State private var resultText = ""

  var body: some View {
    VStack {
      List(0 ..< 5, selection: $selectedRow) { item in
        HStack {
          Text("Row \(item)")
          Spacer()
        }
        // almost invisible background to make full width clickable
        .background(Color.white.opacity(0.01))
        .onTapGesture(count: 2) {
          selectedRow = item
          resultText = "Double click on row \(item)"
        }
        .onTapGesture(count: 1) {
          selectedRow = item
          resultText = "Single click on row \(item)"
        }
      }

      Text(resultText).padding()
    }
    .frame(width: 300, height: 300)
  }
}