(def some-list [{:a2p-id "1", :dh-uuid "abc-def-ghi-klm"} {:a2p-id "2", :dh-uuid "def-ghi-klm-opq"} {:a2p-id "3", :dh-uuid nil}])
If you want to filter out only nil: (filter (comp (complement nil?) :dh-uuid) some-list) If you want to filter out nil or false: (filter (comp identity :dh-uuid) some-list) -Steven On Saturday, May 25, 2013 6:21:22 AM UTC-5, Mond Ray wrote: > > I am missing something obvious... I get a list of maps back from a > function and I want to find the elements with nil > > (({:a2p-id "1", :dh-uuid "abc-def-ghi-klm"} {:a2p-id "2", :dh-uuid > "def-ghi-klm-opq"} {:a2p-id "3", :dh-uuid nil}) ({:a2p-id "1", :dh-uuid > "abc-def-ghi-klm"} {:a2p-id "2", :dh-uuid "def-ghi-klm-opq"} {:a2p-id "3", > :dh-uuid nil})) > > I try the select function but it has no effect ... same list > > (set/select #(not (:dh-uuid %)) (map find-records query-parts)) > > also tried the previously working example... same list > > (filter #(not (:dh-uuid %)) (map find-records query-parts)) > > I am assuming that I am not indexing into each of the maps but I cannot > remember or find out how to do this ... all examples only show one map > > Thanks > > Ray > -- -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.