[elephant-devel] Unique persistent slot value
wrn.lynn at gmail.com
Sun May 30 03:32:19 UTC 2010
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.
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