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?
>
> >
>
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