List and FocusState - non functioning

TaskList.swift

struct Task: Identifiable, Codable {
    var id = UUID().uuidString
    var text: String = ""
    static var examples = [ Task(text: "one"), Task(text: "two")]
}

struct Tasks: View {
    enum Field : Hashable { case text }
    @State private var tasks = Task.examples
    @FocusState private var focusedField: Field?
    var body: some View {
        List() {
            ForEach($tasks) { $task in
                TaskRow(task: $task)
                    .focused($focusedField, equals: .text)
            }
        }
    }
}
struct TaskRow: View {
    @EnvironmentObject var vm: TaskListVM
    @Binding var task: Task
    var body: some View {
        HStack {
            TextField("Task name", text: $task.text )
        }
        .swipeActions() {
            Button(role: .destructive) {} // -todo: write code to delete task 
                label: { Label("Delete", systemImage: "delete.left.fill" ) }
            }
        }
    }
}