(defn get-in
    ([m ks]
     (reduce get m ks))
  ([m ks not-found]
   (if-let [res (get-in m ks)] res not-found)))

Longer but still uses reduce


On Tue, May 18, 2010 at 12:20 PM, Stefan Kamphausen
<ska2...@googlemail.com>wrote:

> Hi,
>
> On May 17, 9:34 pm, braver <delivera...@gmail.com> wrote:
> > If get-in is to be consistent with get, it better allow to specify a
> > default value:
> >
> > (get-in nested-structure [k1 k2 ... kN] :default something)
> >
> > -- would it make sense to add that to the standard get-in?
>
> while I certainly agree from the users point of view, as an
> implementer, I'd hate to break the very nice implementation of get-
> in.  One would have to change reduce first. ;-)
>
> Cheers,
> stefan
>
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