var s = new Signal();
s.on((arg) => print('Emitted signal with arg: $arg'));
s.emit(1)

> Emitted signal with arg: 1

1. Depend on it

Add this to your package's pubspec.yaml file:

dependencies:
  signals: 0.4.0

If your package is an application package you should use any as the version constraint.

2. Install it

If you're using the Dart Editor, choose:

Menu > Tools > Pub Install

Or if you want to install from the command line, run:

$ pub install

3. Import it

Now in your Dart code, you can use:

import 'package:signals/signals.dart';

Version	Uploaded	Archive
0.4.0	Jan 22, 2013	Download signals 0.4.0 archive
0.3.0	Jan 02, 2013	Download signals 0.3.0 archive
0.2.0	Jan 02, 2013	Download signals 0.2.0 archive
0.1.0	Dec 28, 2012	Download signals 0.1.0 archive