>Depends on your load. For most human-generated messages, which tend to
>have only two or three addresses, I would say the cost is trivial. For a
>mailing list of 10,000 addresses it would be different.
CPU power is pretty cheap these days. It has been a while since the
cost of sorting 10,000 in-memory objects was much of an issue.
--
Ronald S. Karr
tron |-<=>-| tron@???