anchor.diff:      lists:keysort(#cpoint.point, CPoints);
   
   make({HashMod, HashCfg} = Hash, [{Addr, Data} | Rest], Acc) ->
  -    {ok, Points} = HashMod:hash_addr(Addr, HashCfg),
  +    Points = HashMod:hash_addr(Addr, HashCfg),
       {_, Acc2} =
           lists:foldl(
             fun (Point, {N, AccMore}) ->
  
positive.code:     XE5 = take_n(fun not_member/2, [1, 1, 1], 10, [1, 1, 1]),
      ?assertEqual([1], XE5),
      ok.
  
negative.code: 
  % Example hash_key/hash_addr functions.
  
  hash_key(Key, _) -> misc:hash({Key, 1}).
  
  hash_addr(Addr, NumPoints) ->
      hash_addr(Addr, 1, NumPoints, []).
  
  hash_addr(_, _, 0, Acc) -> lists:sort(Acc);
  hash_addr(Addr, Seed, N, Acc) ->
      Point = misc:hash(Addr, Seed),
      hash_addr(Addr, Point, N - 1, [Point | Acc]).
  