Custom Binding.swift

//
//  BindingBlurSampleView.swift
//  InstaFilter
//  Credit to Paul Hudson
//  Created by Anthony Da cruz on 05/10/2021.
//

import SwiftUI

struct BindingBlurSampleView: View {
    @State var blurAmount: CGFloat = 0
    var body: some View {
        let blur = Binding<CGFloat>(
            get: {
                self.blurAmount
            }, set: {
                self.blurAmount = $0
                print("New value is \(self.blurAmount)")
            }
        )
        return VStack {
            Text("Hello, World!")
                .blur(radius: blurAmount)
            
            Slider(value: blur, in: 0...20)
        }
    }
}

struct BindingBlurSampleView_Previews: PreviewProvider {
    static var previews: some View {
        BindingBlurSampleView()
    }
}