walling

# Lean and Mean Serial DSL for CoffeeScript
# (based of https://gist.github.com/1090670 by timcameronryan)
serial = (spec) ->
  commands = (func for key, func of spec when key != 'catch')
  next = (err, args...) ->
    return spec.catch(err) if err
    commands.shift().apply(next, args) if commands.length > 0
  next null
  return