[Haskell-cafe] Foreign.Marshal.Error.void

Luke Palmer lrpalmer at gmail.com
Tue Oct 14 21:50:23 EDT 2008

On Tue, Oct 14, 2008 at 1:45 PM, J. Garrett Morris
<jgmorris at cecs.pdx.edu> wrote:
> mapM and mapM_ have different complexity - I don't know if the
> compiler would be smart enough to infer mapM_ style behavior for (void
> . mapM).

But there's the possibility of {-# RULES #-} pragmas to help it be smart enough.


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