Re: [boost] portable hash_map

From: Howard Hinnant (hinnant_at_[hidden])
Date: 2001-03-05 17:09:46

Mark Rodgers wrote on 3/5/01 2:43 AM
>Another problem with the SGI version is that they only support
>forward iterators, and thus don't conform to the associative
>container requirements (23.1.2 para 6).  It would be nicer if
>any hash container were to be a conformant associative container 
>and support bi-directional iterators, at least as an option.

I have trouble understanding the value of iterating through an unordered 
sequence in reverse order.  Could you give examples of when this 
functionality would be useful with a hash container?

-Howard