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import Control.Concurrent
import System.IO
import System.Mem
main :: IO ()
main = do hSetBuffering stdout LineBuffering
mapM_ doIter [1..3]
doIter :: Int -> IO ()
doIter n = do putStrLn ("Iteration " ++ show n)
let xs = [n .. 1000000 + n]
putStrLn ("Last: " ++ show (last xs))
putStrLn "GC 1 start"
performGC
putStrLn "GC 1 done"
putStrLn ("Head: " ++ show (head xs))
putStrLn "GC 2 start"
performGC
putStrLn "GC 2 done"
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