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balodja/gist:9673677

Created March 20, 2014 20:59
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Why does it leak in ghci?
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gistfile1.hs
import Control.Monad.Writer
import Data.List
myAct :: Int -> Writer [String] ()
myAct i = tell [show i] >> myAct (succ i)
main :: IO ()
main = putStr . intercalate "\r" . execWriter . myAct $ 0
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