[Haskell-cafe] Re: Functional version of this OO snippet
duncan.coutts at worc.ox.ac.uk
Fri Dec 5 11:00:42 EST 2008
On Fri, 2008-12-05 at 16:50 +0100, Thomas Davie wrote:
> Sure, and he could then use a fold instead of a map. Reading files is
> problematic, but as long as you're only doing it once (the most common
> situation) is entirely fine wrapped up in an unsafePerformIO.
Please don't go telling people it's entirely fine to use unsafePerformIO
like that (or at all really).
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