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markhibberd/gist:7915b7dc2f56d6b57d4b

Created June 30, 2014 03:36
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gistfile1.txt
> let x :: Int -> IO Int; x n = print n >> pure (1 + n)
> foldr (>=>) pure (replicate 5 x) 0
0
1
2
3
4
5
> foldl (>=>) pure (replicate 5 x) 0
0
1
2
3
4
5
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