LastName.fromJson constructor

LastName.fromJson(
  1. Map<String, dynamic> map, {
  2. String? key,
})

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);
}