Oups, indeed this doesn't solve the problem, this other solution works (just a variant of Kresimir's one) :
(reduce (fn [m [k v]] (update-in m [k] #(conj (or %1 []) %2) v)) {} [[:a 1] [:b 3] [:b 5] [:c 1]]) 2009/6/24 Laurent PETIT <laurent.pe...@gmail.com> > Does this fit your need ? : > > (reduce (fn [m [k v]] (assoc m k [v])) {} [[:a 1] [:b 3] [:b 5] [:c 1]]) > > HTH, > > -- > Laurent > > 2009/6/24 samppi <rbysam...@gmail.com> > > >> The idiom (into {} coll-of-entries) is often used to create a map from >> a collection of entries or two-sized vectors. But what if I want to do >> something like this: >> >> (mystery-fn [[:a 1] [:b 3] [:b 5] [:c 1]]) ; returns {:a [1], :b [3 >> 5], :c [1]}) >> >> The only way I can think of doing this is with a complex loop >> construction. But can mystery-fn be built without resorting to that? >> What would be the best way? >> >> >> >> > > > -- Cordialement, Laurent PETIT --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---