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syntacticsugar/count-zero-golf.hs

Forked from trobertson/count-zero-golf.hs
Created November 20, 2012 21:28
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count-zero-golf.hs
countZeroes :: [String] -> Int
countZeroes = sum . map length . map (filter (=='0'))
countZeroesAgain :: Show a => [a] -> Int
countZeroesAgain = countZeroes . map show
-- and for the one line, because I guess that's the challenge
-- btw, it's type is
-- cz :: Show a => [a] -> Int
-- which means that this function works any list of things that can be printed
cz = sum . map length . map (filter (=='0')) . map show
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