https://medium.com/flutter-jp/flutter-learning-c5640c5f05b9
ここでオススメされているやつ
Reactive Programming with Dart https://www.udemy.com/course/dart-and-flutter-the-complete-developers-guide/
Advanced Flutter Architecture - The Block Pattern https://www.udemy.com/course/dart-and-flutter-the-complete-developers-guide/
Consuming BLOC Data https://www.udemy.com/course/dart-and-flutter-the-complete-developers-guide/
RxDart for Reactive ProgrammingReactive Programming with Dart どこ??