ProgressDemoView.swift

struct ProgressDemoView: View {
  @State var value = Double()
  var body: some View {
    VStack {
      Slider(value: $value, in: 0...1)
      ProgressView(value: value)
        .progressViewStyle(InvertedDirectionProgressViewStyle())
      HStack {
        ProgressView(value: value)
          .progressViewStyle(InvertedVerticalProgressViewStyle())
        Spacer()
          .frame(width: 370)
        ProgressView(value: value)
          .progressViewStyle(VerticalProgressViewStyle())
      }
      .frame(width: 50, height: 200)
      ProgressView(value: value)
        .progressViewStyle(InvertedColorProgressViewStyle())
    }
    .frame(height: 200)
  }
}