Playing with classes in CoffeeScript

gistfile1.coffee

# Run this http://cl.ly/PnKK

class Animal
  constructor: (options)  ->
    {@name, @sound, @action} = options
  greeting: ->
     "#{@sound} #{@sound}"

dog = new Animal({sound:"woof", name:"Rover", action:"wags tail"})


class Description
  constructor: (@animal) ->
  text: ->
    # Invisible comment
    ###
    Visible comment
    ###
    "#{@animal.name} says “#{@animal.greeting()}” and #{@animal.action}!"

description = new Description(dog)


alert "#{description.text()}"