Singleton Coffee

Singleton = (->
  instance = null
  someVal = 5

  init = ->
    run: ->
      console.log "running ..."
    getVal: ->
      someVal
    setVal: (newVal) ->
      someVal = newVal
    fromZeroToVal: ->
      i=0
      while i<someVal
        console.log "i => " + i
        i++
      return
  getInstance: ->
    instance = init() if instance is null
    instance
)()