On Fri, Apr 16, 2010 at 3:46 PM, Brian Wolf <[email protected]> wrote:
> Hi, Is it possible to call a multimethod in a map? In this simplified
> example, I just want to increment every element of the array when the
> multimethod is called (my real application is operating on sets of
> hash tables ie database )
>
>
> (defmulti cc (fn [c v] [(:category c) ]))
>
> (defmethod cc [:toys] [category v ]] ( inc v))
>
>
> can I do something like this? ( this doesn't work)
>
> (map (cc{:category :toys} ) [1 2])
>
> Thanks, Brian
(map #(cc {:category :toys} %) [1 2])
or
(map (fn [x] (cc {:category :toys} x)) [1 2])
is what you want. Untested.
David
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