[Haskell-cafe] Suspected stupid Haskell Question

[Peter Verswyvelen]

Nice!!! As I'm learning Arrows now, this is really useful :-)

Stuart Cook wrote:
>   import Control.Arrow
>   import Data.List
>
>   freqs = map (head &&& length) . group . sort
>
> I have used this function quite a few times already.
>
>
> Stuart
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