[z3-five] five.intid: cool!

[whit]

Jim Fulton wrote:
> whit wrote:
> ...
>> I haven't tried it yet ;) but yeah that's the general idea(should also 
>> allow the z3 reference implementations to be adapted for zope2).   I'm 
>> using it  with rdflib, but I believe the idea is the same.
> 
> I'll note in passing that reference systems don't need intids.
> Integer ids are mainly an optimization for indexing structures
> because integer ids can be stored and compared more efficiently
> than key references. This is a trade-off, since key references
> can be dereferenced more efficiently than integer ids.
> 
> Many reference systems can and should be implemented on key
> references directly.
> 

ah... good to know.  I was wondering about the exact purpose of that 
indirection while working on this.

-w