LastName.fromJson constructor
Returns a valid LastName object.
If key
is null
LastName.key is used to get it's corresponding value in map
.
Throws InvalidValueException if map
's value is not a valid last name.
Implementation
factory LastName.fromJson(Map<String, dynamic> map, {String? key}) {
final flatMap = flattenMap(map);
final value = flatMap[key ?? LastName.key].toString();
return LastName(value);
}