General purity standards for Dart development.
Best practices for writing clean, maintainable Dart code.
_.const > final > var.--dart-define for secrets. Never hardcode API keys.=> for single-expression functions/getters..map, .where, .fold, .any over manual loops when clarity improves.<String>[], <String, User>{}) to avoid dynamic.if/for and spread operators for composable lists/maps.await futures unless intentionally fire-and-forget.import 'models/user.dart'; // Good
import 'package:app/models/user.dart'; // Avoid local absolute