Semi transparent blur or frosted glass effect in SwiftUI

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import SwiftUI
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struct Blur: UIViewRepresentable {
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    var effect: UIVisualEffect?
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    func makeUIView(context: UIViewRepresentableContext<Self>) -> UIVisualEffectView { UIVisualEffectView() }
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    func updateUIView(_ uiView: UIVisualEffectView, context: UIViewRepresentableContext<Self>) { uiView.effect = effect }
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}
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struct ContentView: View {
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    var body: some View {
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        ZStack {
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            Circle().fill(Color.orange).frame(width: 150, height: 150)
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            Blur(effect: UIBlurEffect(style: .light))
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        }.background(Color.white).frame(maxWidth: .infinity, maxHeight: .infinity)
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    }
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}