StringId - a dynamic key lookup

[vishna]

StringId - a dynamic key lookup

[vishna]

...or a bit more rigid version

class StringId {
  const StringId(this.value);
  final String value;
  static const onboarding_sell_photos = StringId("onboarding_sell_photos");
  static const mission_winners = StringId("mission_winners");
}

extension StringKeysExtension on S {
  dynamic operator [](StringId id) {
    switch(id.value) {
      case "onboarding_sell_photos": return onboarding_sell_photos;
      case "mission_winners": return mission_winners;
      default: return null;
    }
  }
}