
10 Sep
2007
10 Sep
'07
2:18 a.m.
On 9/10/07, PR Stanley
Can anyone come up with a better alternative?
*puts on his pointfree hat* import Control.Arrow ((&&&)) import Data.List (group, sort) countCS :: [Char] -> [(Char, Int)] -- Char can be generalised to any Ord countCS = map (head &&& length) . group . sort Stuart