Use SwiftUI bindings to keep the value of the slider synchronized with a state variable.
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/28797163-your-first-ios-swiftui-app-an-app-from-scratch/lessons/14
This is a companion discussion topic for the original entry at https://www.raywenderlich.com/28797163-your-first-ios-swiftui-app-an-app-from-scratch/lessons/14