Json.fromMap constructor Null safety

Json.fromMap(
  1. Map<String, dynamic> map
)

Create Json from a Map

Implementation

Json.fromMap(Map<String, dynamic> map) {
  _rawValue = <String, dynamic>{};

  try {
    map.forEach((String key, dynamic value) => _set(key, value));
  } on JsonException catch (error) {
    exception = exception ?? error;
  }
}