Dart Records & Patterns Deep Dive — Destructuring, Sealed Classes & Exhaustive Matching

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. Records — typed tuples without the boilerplate // Before: untyped Map Map String , dynamic > getUserInfo () = > { 'name' : 'Alice' , 'age' : 30 }; // Dart 3: typed Record ( String name , int age ) getUserInfo () = > ( 'Al