Binding objects using @Bindable

Let’s start with a short recap of what binding is.

In some cases, a view and its child must share a state and create a two-way connection for reading and modifying a value. To do that, we use something called binding.

One classic example is TextField – a TextField view is a SwiftUI component with a text variable. Both TextField and its parent view share the same value of text. Therefore, it’s a binding variable:

struct ContentView: View {
    @State var email: String = ""
    var body: some View {
        VStack {
            TextField("Email", text: $email)
        }
    }
}

We see that the email variable is marked as a state, but the TextField view is the one that updates it. The binding occurs using...