gistfile1.txt

# Reverse apply.
Object::apply = (func, args) -> func.apply this, args

# Base model class.
class Model
  has_many: (what) ->
    @[what] = ->
      how_many = @["number_of_#{what}"]
      console.log "I have #{how_many} shiney #{what}!"

# An example model.
class Foo extends Model
Foo::apply ->
  @has_many 'cars'

# Example usage.
f = new Foo()
f.number_of_cars = 3
f.cars()