AS3 Signals
Signals is a new approach for AS3 events, inspired by C# events
A library offering a modern event system for ActionScript 3 inspired by C# events and Qt’s signals/slots, replacing string-based events with type-safe, boilerplate-free Signals. A Signal is essentially a mini-dispatcher specific to one event, with its own array of listeners. A Signal gives an event a concrete membership in a class. Listeners subscribe to real objects, not to string-based channels.