mix_of.coffee

###*
 * @file
 * Provides mixin support for classes.
 * @url https://gist.github.com/donut/00e407abb7cece0bcdfa
 * @see http://coffeescriptcookbook.com/chapters/classes_and_objects/mixins
###

module.exports = (base, mixins...) ->
  constructors = []

  class Mixed extends base
    _construct_mixins: (args...) ->
      constructor.apply(@, args) for constructor in constructors

  for mixin in mixins by -1 # Earlier mixins override later ones.
    constructors.push mixin
    for name, method of mixin::
      Mixed::[name] = method

  Mixed