$Metro.fromJson constructor Null safety

$Metro.fromJson(
  1. Map _json
)

Implementation

$Metro.fromJson(core.Map _json)
    : this(
        countryCode: _json.containsKey('countryCode')
            ? _json['countryCode'] as core.String
            : null,
        countryDartId: _json.containsKey('countryDartId')
            ? _json['countryDartId'] as core.String
            : null,
        dartId: _json.containsKey('dartId')
            ? _json['dartId'] as core.String
            : null,
        dmaId:
            _json.containsKey('dmaId') ? _json['dmaId'] as core.String : null,
        kind: _json.containsKey('kind') ? _json['kind'] as core.String : null,
        metroCode: _json.containsKey('metroCode')
            ? _json['metroCode'] as core.String
            : null,
        name: _json.containsKey('name') ? _json['name'] as core.String : null,
      );