module Rack::Request::Helpers

def cookies 

def cookies
  hash = fetch_header(RACK_REQUEST_COOKIE_HASH) do |key|
    set_header(key, {})
  end
  string = get_header(HTTP_COOKIE)
  unless string == get_header(RACK_REQUEST_COOKIE_STRING)
    hash.replace Utils.parse_cookies_header(string)
    set_header(RACK_REQUEST_COOKIE_STRING, string)
  end
  hash
end