anchor.diff:  
   -spec read_from_receiver(KeeperPid) -> Result when
       KeeperPid       :: pid(),
  -    Result          :: [] | [term()].
  +    Result          :: [] | [term()] | timeout_in_receiver.
   
   read_from_receiver(KeeperPid) ->
       KeeperPid ! {'read_and_die', self()},
  -    recieve_loop().
  +    receive
  +        Data -> Data
  +        after 15 -> timeout_in_receiver
  +    end.
   
   % batch receive loop in separate process (awaiting message in topic)
   batch_loop(Topic) ->
  
positive.code: -compile(export_all).
  
  -include_lib("eunit/include/eunit.hrl").
  
  -spec batch_receiver_and_loop(Topic) -> PidOfKeeper when
      Topic           :: erlroute:topic(),
  
negative.code:         Msg when is_pid(SendToPidOrKeep) ->
              SendToPidOrKeep ! {WaitFor, Msg},
              wait_msg_loop(SendToPidOrKeep, WaitFor, Acc);
          {WaitFor, Msg} when SendToPidOrKeep =:= 'keep' ->
              wait_msg_loop(SendToPidOrKeep, WaitFor, [Msg | Acc])
      end.
  
  