Created
October 19, 2020 06:20
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OnChange handler for Binding
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| extension Binding { | |
| func onChange(_ handler: @escaping (Value) -> Void) -> Binding<Value> { | |
| Binding( | |
| get: { self.wrappedValue }, | |
| set: { newValue in | |
| self.wrappedValue = newValue | |
| handler(newValue) | |
| } | |
| ) | |
| } | |
| } | |
| struct ContentView: View { | |
| @State private var rating = 0.0 | |
| var body: some View { | |
| Slider(value: $rating.onChange(sliderChanged)) | |
| } | |
| func sliderChanged(_ value: Double) { | |
| print("Rating changed to \(value)") | |
| } | |
| } |
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