I use them sometimes in transversing deep maps:
(def odd-coll [{:foo {:bar {:baz 42}}}
{:foo {:bar {:baz 43}}}])
(def find-it (comp :baz :bar :foo))
(map find-it odd-coll)
; [42 43]
On Thu, Dec 20, 2012 at 4:41 PM, Dave Ray <dave...@gmail.com> wrote:
> You can avoid superfluous anonymous functions. For example, this:
>
> (map #(get % :id) my-sequence)
>
> vs this:
>
> (map :id my-sequence)
>
> Cheers,
>
> Dave
>
>
> On Thu, Dec 20, 2012 at 3:13 PM, Jonathon McKitrick
> <jmckitr...@gmail.com> wrote:
> > I thought it was pretty interesting to treat maps as functions, and even
> > more intrigued at treating keywords as functions as well.
> >
> > What does this gain from a language design perspective, that you cannot
> get
> > with (get map keyword) or ever (map keyword)? Why the additional option
> of
> > (keyword map) ?
> >
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