Immutability in Dart

Pascal Welsch - Google Developer Expert for Flutter/Dart https://pascalwelsch.com

Twitter|Github: @passsy

Agenda

• What's an immutable object?
• Makes debugging easy
• Generate boilerplate
  • IntelliJ
  • VScode
• Immutable collections (kt_dart, built_collection,...)
• Easier data classes with @freezed
• Talk to other systems -> messages are immutable
• Breaking a part of your app noone has touched in months
• Prevent bug using immutable datatypes
• Freezed union types, deep copy, custom

Questions? Ask me on Twitter: @passsy