# File lib/rack/moneta_cookies.rb, line 48
    def call(env)
      stores = @pool.pop || @builder.build
      env['rack.moneta_cookies'] = env['rack.request.cookie_hash'] = stores.last
      env['rack.request.cookie_string'] = env['HTTP_COOKIE']
      stores.first.reset(Rack::Utils.parse_query(env['HTTP_COOKIE']))
      status, headers, body = @app.call(env)
      stores.first.cookies.each do |key, cookie|
        if cookie == nil
          Rack::Utils.delete_cookie_header!(headers, key)
        else
          Rack::Utils.set_cookie_header!(headers, key, cookie)
        end
      end
      @pool << stores
      [status, headers, body]
    end