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struct Login: View {
    @State private var username = ""
    @State private var password = ""
    enum Field: Hashable {
        case username
        case password
    }
    @FocusState private var focusedField: Field?
    
    var body: some View {

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extension View {
    /// Mirror changes between an @Published variable (typically in your View Model) and an @FocusedState variable in a view
    func sync<T: Equatable>(_ field1: Binding<T>, _ field2: FocusState<T>.Binding ) -> some View {
        self
           .onChange(of: field1.wrappedValue) { field2.wrappedValue = $0 }
           .onChange(of: field2.wrappedValue) { field1.wrappedValue = $0 }
    }
}

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class LoginViewModel: ObservableObject {
    @Published var username = ""
    @Published var password = ""
    @Published var focusedField: Field?
    
    enum Field: Hashable {
        case username
        case password
    }
    

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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?

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import SwiftUI

struct TaskList: View {
    @StateObject var vm = TaskListVM()
    @FocusState private var focusedField: RowID?
    var body: some View {
        List() {
            ForEach($vm.tasks) { $task in
                TaskRow(task: $task)
                    .focused($focusedField, equals: .row(id: task.id))

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//
//  ReminderList.swift
//
//  Demonstrates:-
//    list settings (style, colouring etc )
//    autoscrolling
//    control of focus in List, 
//    adding new values with enter, or double click, 
//    auto deleting nil values, 
//    using Combine for managed delay/UI updates

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//
//  Easy Focus Example
//
// The package allows the code below to focus (🙂) on the data
// that is changing, and not on underlying id records as is required
// when using @FocusState.
// Code differences when using this package are highlighted
// below with /*👉*/
//
//  Created by Andrew Cowley on 21/11/2021.

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//  Created by Andrew Cowley on 01/12/2021.
//
import SwiftUI

enum Priority: String, Pickable {
   case none, low, medium, high           // any raw type can be used
}

struct ContentView: View {
   @State var priority: Priority = .none

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//
import SwiftUI
import ScreenSaver

struct Defaults {
   /// Use bundleID for the Module name. It is found in the project properties, of target, General Tab.
   let storage = ScreenSaverDefaults(forModuleWithName: "com.ajc.SSaver")!
   let refreshRateKey = "refreshRate"
   var refreshRate: Double { storage.double(forKey: refreshRateKey) }