import Foundation enum Etat { case Echec case Difficile case Bon case Facile } struct Session: Identifiable { var id = UUID() var date = Date() var etat: Etat private static var dateFormatter: DateFormatter = { let formatter = DateFormatter() formatter.dateFormat = "dd/MM/yy" return formatter }() var formattedDate: String { Session.dateFormatter.string(from: date) } }