[boost] Layered Iterator concept (was:Third update to Token Iterator..)

From: Aleksey Gurtovoy (alexy_at_[hidden])
Date: 2000-09-13 05:30:18

John R. Bandela (<jbandela_at_[hidden]>) wrote:
> I have updated the Token Iterator and Tokenizer concepts. It is
> located in BoostUpdate3.zip in TokenIterator directory
[snip]

I've tried to generalize some things a little, and that resulted in a
Layered Iterator concept -
http://www.egroups.com/files/boost/LayeredIterator/LayeredIterator.html.
This file contains a few links that are dead right now (and also probably
some not-quite-understandable English), so please feel free to fix it :).

Any comments are welcome.

--Aleksey