import 'package:meta/meta.dart'; import 'package:comunes_flutter/comunes_flutter.dart'; @immutable class User { final String userId; final String lang; final String token; const User.initial() : this.userId = null, lang = null, token = null; User({this.userId, this.lang, this.token}); User copyWith({String userId, String lang, String token}) { return new User( userId: userId ?? this.userId, token: token ?? this.token, lang: lang ?? this.lang); } @override String toString() { return 'User {userId: $userId, lang: $lang, token: ${ellipse(token)}'; } }