On Monday 14 January 2008, Stefan Monnier wrote:
> > What I meant was simply that instead of using some fixed hash function,
> > one could use a perfect hashing function which is optimal for its known
> > set of inputs, and won't ever generate a collision.
>
> The problem is that the set of inputs is not know at compile time, only
> at link time.

As I've said in the cited post, the perfect hash generator would have to be 
invoked at link time, which shouldn't be a big deal.

Cheers, Kuba