A CoffeeScript and corrected version of https://gist.github.com/3428922.

lunchvoting.coffee

# CoffeeScript version of voting code from 
# <http://www.cap-lore.com/CapTheory/Language/lambdaSecurity.html>:

mocntr = ->
  x = 0
  voterMaker: ->
    yet = true
    -> if yet
       yet = false
       ++x
  votes: -> x

restaurants = ["Mandarin", "Casa Lupe", "Coffee Shop"]
lunchCrowd = ['Jim', 'Sue', 'Tom', 'Jennifer'];

lunchAgents = 
  for eater in lunchCrowd
    (->
      cell = eater: eater
      SEND eater, "LunchAgentAppointer", (agent) -> cell.agent = agent
      cell)()

noontime = ->
  bb = for restaurant in restaurants
    restaurant: restaurant
    counter: mocntr()

  for e in lunchAgents
    e.agent "Lunchtime!", 
      for r in bb
        restaurant: r.restaurant
        vote: r.voterMaker()

  -> for r in bb
    restaurant: r.restaurant
    votes: r.counter.votes()