Lorikeet
Lorikeet is a tiny library for implementing the observer pattern.
Installation
Add this line to your application's Gemfile:
gem 'lorikeet'
And then you can install Lorikeet with bundler with via:
$ bundle
Or without bundler:
$ gem install lorikeet
For RubyMotion, you must also require the gem inside your Gemfile:
$ require 'lorikeet'