Collections and utilities functions and classes related to collections.
Use this package as a library
1. Depend on it
Add this to your package's pubspec.yaml file:
dependencies: collection: ^1.15.0-nullsafety.2
2. Install it
You can install packages from the command line:
$ pub get
Alternatively, your editor might support
Check the docs for your editor to learn more.
3. Import it
Now in your Dart code, you can use: