optional 4.0.0+1

optional: ^4.0.0+1 copied to clipboard

Use this package as a library

Depend on it

Run this command:

With Dart:

 $ dart pub add optional

This will add a line like this to your package's pubspec.yaml (and run an implicit dart pub get):

dependencies:
  optional: ^4.0.0+1

Alternatively, your editor might support dart pub get. Check the docs for your editor to learn more.

Import it

Now in your Dart code, you can use:

import 'package:optional/optional.dart';