gistfile1.txt

  def self.friend_ids(id, &blk)
    http = EventMachine::HttpRequest.new("http://twitter.com/friends/ids/#{id}.json").get
    http.callback { yield }
    http.errback { raise StandardError, http.inspect }
  end

gistfile2.txt

#<EventMachine::HttpClient:0x10100e478 @parser=#<EventMachine::HttpClientParser:0x10100e388>, @errors="", @state=:response_header, @errbacks=[], @options={}, @deferred_args=[#<EventMachine::HttpClient:0x10100e478 ...>], @inflate=[], @method="GET", @chunk_header={}, @stream=nil, @response="", @uri=#<URI::HTTP:0x10100e798 URL:http://twitter.com/friends/ids/kevinrose.json>, @response_header={}, @data=#<EventMachine::Buffer:0x10100e360>, @callbacks=[#<Proc:0x000000010118d628@./twitter-em.rb:25>], @content_decoder=nil, @deferred_status=:failed, @parser_nbytes=0, @signature="90e9a62e086207975e805c2e829bb2f82">