![Building Immutable Models with Built Value and Built Collection in Dart's Flutter Framework — Steemit Building Immutable Models with Built Value and Built Collection in Dart's Flutter Framework — Steemit](https://steemitimages.com/640x0/https://steemitimages.com/DQmcCAkwobJEu12fBccp7PxwhuZqkLPBqCn6BRuc1J1PrBz/reddit-abstract.png)
Building Immutable Models with Built Value and Built Collection in Dart's Flutter Framework — Steemit
Make `new List.from([], growable:false)` return a constant, immutable empty list · Issue #32018 · dart-lang/sdk · GitHub
![This class inherits from a class marked as @immutable, and therefore should be immutable (all instance fields must be final) - Stack Overflow This class inherits from a class marked as @immutable, and therefore should be immutable (all instance fields must be final) - Stack Overflow](https://i.stack.imgur.com/Tu6Pi.png)
This class inherits from a class marked as @immutable, and therefore should be immutable (all instance fields must be final) - Stack Overflow
immutable lists/maps with faster than linear time append/mutation · Issue #44 · google/built_collection.dart · GitHub
![Dart/Flutter convert Map to List example, convert List to Map example using many ways: Map.fromIterable(), Map.forEach(), Iterable forEach() o… | Dart, Map, Flutter Dart/Flutter convert Map to List example, convert List to Map example using many ways: Map.fromIterable(), Map.forEach(), Iterable forEach() o… | Dart, Map, Flutter](https://i.pinimg.com/736x/96/67/d9/9667d9ab2f3ffad2ee322c0d2fba03c5.jpg)