[elephant-devel] Unique persistent slot value
Leslie P. Polzer
sky at viridian-project.de
Sun May 30 09:07:04 UTC 2010
Warren Lynn wrote:
> Is there a simple way to ensure that values of a persistent slot must be
> unique? Namely, when a instance is persisted (either with the plain
> make-instance or at the end of a transaction), an error of condition will be
> thrown if the slot value is not unique. Thank you.
There is no support for constraints like this right now.
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