Re: Hashing on System.Address

[Robert A Duff <bobduff@shell01.TheWorld.com>]

"Matthew Heaney" <mheaney@on2.com> writes:

> Duncan Sands wrote:
> > Does anyone have an efficient portable algorithm for hashing
> > on a System.Address?
> >
> > The Ada 2005 package Ada.Containers defines Hash_Type as
> >
> > 	type Hash_Type is mod implementation-defined;
> >
> > This is the target type I would like for the hash.
> 
> Use System.Storage_Elements.To_Integer to convert the address to an
> Integer_Address, and then convert that to type Hash_Type.

It might be a good idea to divide that by 8, since most addresses have
zeros in the low three bits.

- Bob