SwiftUI-ButtonModal

  @State private var showModal = false

  var body: some View {
    Button(action: { self.showModal.toggle() }) {
      HStack {
        Text("Show MODAL")
        Spacer()
        Text("〉")
      }
    }.sheet(isPresented: $showModal) {
      Text("YAY MODAL")
    }
  }