I agree there are going to be problems with implementation as-well .. for
example if not all the keys in the current map are not in the kmap ... but
situation can be handled however, if we passed a function this is going to
be harder .. ..
On Wed, May 11, 2011 at 8:26 AM, Sunil S Nandihalli <
sunil.nandiha...@gmail.com> wrote:
> Hello everybody,
> I tried to use clojure.set/rename-keys .. I kind of felt it has a little
> odd behaviour... for example ..
>
> (clojure.set/rename-keys {1 :a 2 :b 3 :c} {1 2 2 3 3 4})
>
> returns
>
> {4 :a}
>
> I think a more reasonable behavior would be to have it return
>
> {2 :a 3 :b 4 :c}
>
> a further enhancement suggestion would be to accept a function instead of a
> map that way even the existing code will not break since the map already
> implements IFn
>
> a sample implementation which takes the above into account would be ..
>
> (defn rename-keys [mp kmap-fn]
> (into {} (map (fn [[key val]] [(kmap-fn key) val]) mp)))
>
>
> Thanks,
> Sunil.
>
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