User types "android" into your search box. That's 7 API calls if you wired it the way I did the first time. A few months later I shipped a pagination bug where every infinite-scroll fetch flashed a full-screen loader for half a second. And then there was the Settings screen that needed to refresh the Dashboard when the user changed theme — but Settings couldn't import Dashboard without a circular
Dart Records & Patterns Deep Dive — Destructuring, Sealed Classes & Exhaustive Matching Dart 3.0 shipped Records, Patterns, and Sealed Classes together. Used well, they eliminate entire categories of runtime errors and make state management dramatically more expressive. // Before: untyped Map Map<String, dynamic> getUserInfo() => {'name': 'Alice', 'age': 30}; // Dart 3: typed Record (String nam