From: David Abrahams (dave_at_[hidden])
Date: 2003-05-06 19:48:51
Sylvain Pion <Sylvain.Pion_at_[hidden]> writes:
> Hi,
>
> I was wondering why the filter_iterator could not be made
> bidirectional when the base iterator is as well.
It could, for a (rather high) price.
> Is it because it would have to store the "begin" iterator ?
> Actually I am wondering whether it should have to store the begin iterator
> even in this case.
Yes, it would.
> Would it be possible to make filter_iterator support operator-- ?
Yes it would. It seems like a fun project for someone so inclined ;-)
Do you need this functionality for something, or are you just curious?
-- Dave Abrahams Boost Consulting www.boost-consulting.com