add :unique property for def-vertex and def-edge

kraison / vivace-graph-v3

VivaceGraph version 3. Open source Common Lisp graph database & Prolog implementation. Supersedes http://github.com/kraison/vivace-graph-v2.

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Open kraison opened 8 years ago

kraison commented 8 years ago

Unique slot values would be very useful. Enforcing uniqueness now is cumbersome.

fiddlerwoaroof commented 6 years ago

Is this implemented?

kraison commented 5 years ago

No, it is not implemented; that reference is from VG2. I have removed it to avoid confusion.