ContentView.swift

class ObjA {
    var isOn = false
}

struct ContentView: View {

    // Because this is not an observed object, the UI in this view should theoretically never update
    let obj = ObjA()
    
    var body: some View {
        print("Refreshed body")
        return VStack {
            Toggle("Test", isOn: Binding(
                get: { obj.isOn },
                set: {
                    obj.isOn = $0
                }
            ))
            .toggleStyle(SwitchToggleStyle())
            Toggle("Test", isOn: Binding(
                get: { obj.isOn },
                set: {
                    obj.isOn = $0
                }
            ))
        }
        .padding(30)
    }
}