Freezed 는 data class 에서 필요한 기능들을 제공해주는 매우 유용한 라이브러리 입니다. freezed | Dart Package Code generation for immutable classes that has a simple syntax/API without compromising on the features. pub.dev pubspec.yaml dependencies: freezed_annotation: ^2.1.0 dev_dependencies: build_runner: ^2.2.0 freezed: ^2.1.0+1 json_serializable: ^6.3.1 Class 작성 import 'package:freezed_annotation/freezed_annotation.dart'..
