SwiftUI 100일 중 62일차

struct ContentView: View {
    @State private var bidAmount: CGFloat = 0

    var body: some View {
        let bid = Binding<CGFloat>(
            get: {
                self.bidAmount
            },
            set: {
                self.bidAmount = $0
                print("New value is \(self.bidAmount)")
            }
        )

        return VStack {
            Text("Bid amount: \(bidAmount)")

            Slider(value: bid, in: 0...20)
        }
    }
}