OK. I have figured it out. I just looked into core.clj and noticed that keyfn is a function which know how to get a value from an element in a collection. That value is just compared with other.
2009/11/7 Michael Jaaka <michael.ja...@googlemail.com> > Hello I have such data > > [ [ "tom" 23 ] [ "ann" 4434 ] [ "tom" 1234 ] ["mike" 34 ] ] > > I would like to sort these data so finally i got > > [ [ "ann" 4434 ] ["mike" 34 ] [ "tom" 23 ] [ "tom" 1234 ] ] > > note that i don't care the order between "tom" keys (1234 can be > before 23) > > I have seen sort-by but I can't find tutorial how to use keyfn --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---