Thanks for the advice and code-snippet. On Monday, November 18, 2013 7:43:12 PM UTC-8, Norman Richards wrote: > > > On Mon, Nov 18, 2013 at 6:26 PM, Kevin Downey <red...@gmail.com<javascript:> > > wrote: > >> >> https://github.com/sonian/Greenmail/blob/master/src/clj/greenmail/db.clj#L98-L126 >> has an example, using clojure.core.logic/all to make a goal which is a >> conjunction of the clojure.core.logic/== goals > > > Based on my experience writing pldb, using == in this situation is going > to work better than using unify as shown in the code sample base on the > video. I found that using unify for this type of custom relation appears > to work but will not do the right thing with more complicated situations. > I found constraints particularly problematic. Switching from unify to == > makes sure everything you want to happen on unify actually happens. >
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