AppleCEO

//
//  ViewController.swift
//  ExFaceTouchId
//
//

import UIKit
import LocalAuthentication

class ViewController: UIViewController {

AppleCEO

import UIKit
import LocalAuthentication

class ViewController: UIViewController {
    @IBOutlet weak var loginButton: UIButton!
    enum AuthenticationState {
        case loggedin, loggedout
    }

    // ✅ 현재 로그인 상태에 따른 UI 변화

AppleCEO

func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {		
  guard let restaurantGrade = RestaurantGrade(rawValue: section) else { 
    return nil 
  }
  restaurantGradeName = restaurantGrade.getName()
  return restaurantGradeName
}

AppleCEO

enum RestaurantGrade: Int {
  case premium
  case superBaemin
  case general
	
  func getName() -> String {
    switch self {
      case .premium: return "프리미엄"
      case .superBaemin: return "슈퍼배민"
      case .general: return "일반"

AppleCEO

func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
  switch section {
  case 0:
    return "프리미엄"
  case 1:
    return "슈퍼배민"
  case 2:
    return "일반"
  default:
    return nil

AppleCEO

class SmartPhone {
  let inch: Double

  init(inch: Double) {
    self.inch = inch
  }
  
  func call(to: String) {
    print("calling to \(to)")
  }

AppleCEO

class SmartPhone {
  let inch: Double

  init(inch: Double) {
    self.inch = inch
  }
  
  func call(to: String) {
    print("calling to \(to)")
  }

AppleCEO

class SmartPhone {
  let inch: Double
  let isFolded: Bool = false

  init(inch: Double) {
    self.inch = inch
  }
  
  func call(to: String) {
    print("calling to \(to)")

AppleCEO

class SmartPhone {
  let inch: Double

  func call(to: String) {
    print("calling to \(to)")
  }
  func showYoutube() {
    print("Watching Youtube")
  }
}

AppleCEO

protocol Coffee {
  func drink()
}

struct Americano: Coffee {
  func drink() {
    print("아메리카노를 마십니다.")
  }
}