Bingo: user=> (filter (complement :dh-uuid) (apply concat (map find-records query-parts))) ({:a2p-id "3", :dh-uuid nil} {:a2p-id "3", :dh-uuid nil})
Thanks everyone! On Saturday, 25 May 2013 19:29:55 UTC+2, Andy Fingerhut wrote: > > Woops, and here I wasn't being careful enough... You have a list (or > sequence) of two elements, both of which are lists (or sequences) of maps. > You can use (apply concat (map find-records query-parts)) to return a > single list containing nothing but maps. > > Andy > > > On Sat, May 25, 2013 at 10:27 AM, Andy Fingerhut > <andy.fi...@gmail.com<javascript:> > > wrote: > >> If (map find-records query-parts) is returning this expression: >> >> >> (({: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})) >> >> then especially note the double parentheses. That is a list (or >> sequence), whose first element is a list (or sequence) of maps. You can >> use (first (map find-records query-parts)) to get the inner list. >> >> Andy >> >> >> On Sat, May 25, 2013 at 4:21 AM, Mond Ray <mondr...@gmail.com<javascript:> >> > 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 clo...@googlegroups.com<javascript:> >>> Note that posts from new members are moderated - please be patient with >>> your first post. >>> To unsubscribe from this group, send email to >>> clojure+u...@googlegroups.com <javascript:> >>> 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+u...@googlegroups.com <javascript:>. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> >> >> > -- -- 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.