> Notably, stateful filesystem I/O is also an area where Haskell tends to fall down. Can you give an example? I do not understand what you mean. The filesyste

> Notably, stateful filesystem I/O is also an area where Haskell tends to fall down. Can you give an example? I do not understand what you mean. The filesystem is stateful, but I do not see that impeding Haskell.