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I might be missing something here, don't records already exist? https://dart.dev/language/records https://dart.dev/language/records

• cageface 2y ago
  They exist but they're still missing a lot of things you'd want in a data class like copyWith, serialization etc. In practice in a Dart app you usually use freezed or something similar: https://pub.dev/packages/freezed https://pub.dev/packages/freezed