BMFWeatherSearchAlerts.fromMap constructor Null safety

BMFWeatherSearchAlerts.fromMap(
  1. Map map
)

map => BMFWeatherSearchAlerts

Implementation

BMFWeatherSearchAlerts.fromMap(Map map)
    : assert(
          map != null, // ignore: unnecessary_null_comparison
          'Construct a BMFWeatherSearchAlerts，The parameter map cannot be null !') {
  type = map['type'];
  level = map['level'];
  desc = map['desc'];
}