Jannis · January 18, 2016 16:00
diff --git a/test.clj b/test.clj
 (defn popular? [friends]
  (> (count friends) 2))

 (d/q '[:find (boot.user/popular? ?f) .
       :in $ ?u
       :where [?u :user/friends ?f]]
     (d/db conn)
     (:db/id some-user))
  
 ;; The above works fine if :user/friends is set, however, if it is unset
 ;; (no friends at all), popular? is never called and the result is nil.
	(defn popular? [friends]
	(> (count friends) 2))

	(d/q '[:find (boot.user/popular? ?f) .
	:in $ ?u
	:where [?u :user/friends ?f]]
	(d/db conn)
	(:db/id some-user))

	;; The above works fine if :user/friends is set, however, if it is unset
	;; (no friends at all), popular? is never called and the result is nil.