iPhone で電子マネー（楽天Edy、nanaco、WAON）を読み取ってみよう！ - Qiita

import UIKit import TRETJapanNFCReader class ViewController: UIViewController, FeliCaReaderSessionDelegate { var reader: RakutenEdyReader! override func viewDidLoad() { super.viewDidLoad() self.reader = RakutenEdyReader(viewController: self) self.reader.get(itemTypes: [.balance]) } func feliCaReaderSession(didRead feliCaCard: FeliCaCard) { let rakutenEdyCard = feliCaCard as! RakutenEdyCard let bal