serializable.rb

# Makes any NSObject conform to the NSCoding protocol
module Serializable

  def initWithCoder(coder)
    self.init
    methods.grep(/\w=:$/).each do |method|
      key = method.to_s.sub('=:', '')
      self.send(method, coder.decodeObjectForKey(key))
    end
    self
  end

  def encodeWithCoder(coder)
    methods.grep(/\w=:$/).each do |method|
      key = method.to_s.sub('=:', '')
      coder.encodeObject(self.send(key), forKey: key)
    end
  end

end