tobyhede/monger — comment on commit 300220da15a2a8879c0765d86427816761077c48
File: src/monger/db.clj line 20
By michaelklishin:

Is the idea here to set back a persistent set? If so, maybe we can switch to [clojure.core/set](http://clojuredocs.org/clojure_core/clojure.core/set)?