unixcharles

class Foo

  def self.define_attribute(name)
    class_eval %{
      def #{name}(*args)
        attribute(#{name.inspect}, *args)
      end
    }
  end

unixcharles

# Ported from https://github.com/jzaefferer/jquery-validation/blob/master/jquery.validate.js

creditcard = (value)->
  # accept only spaces, digits and dashes
  return unless /[^0-9 \-]+/.test(value)

  nCheck = nDigit = 0
  bEven = false

  checkDigit = (n) ->