Am 07.10.2004 um 13:54 schrieb Avi Bryant:

> Now that SqueakMap's back up, I can post this:
>
> WriteBarrier provides a way to watch for changes to the state of 
> individual objects.  It's intended for use with persistence, 
> transactional, or indexing mechanisms where you're managing a discrete 
> set of objects of varied classes, and want to be notified when any of 
> them are modified.  I expect to modify my GOODS client to make use of 
> this to speed up commits; it might also be useful for Magma, OmniBase, 
> GLORP, etc.
>
> It's quite fast and reasonably transparent, and has enough tests that 
> I'm pretty confident in it, but it still does nasty voodoo stuff and 
> so please test it before you load it into an image you care about.
>
> It requires Squeak 3.7 (and not 3.6 or 3.8, because neither includes 
> the BytecodeGenerator it uses).
>

which reminds me to put the BytecodeGenerator back into the unstable 
release... will come.

      Marcus