[Haskell-cafe] Cons of -XUndecidableInstances
greg at gregorycollins.net
Mon Jun 6 09:52:57 CEST 2011
On Mon, Jun 6, 2011 at 7:52 AM, Yitzchak Gale <gale at sefer.org> wrote:
> You almost never want to use UndecidableInstances
> when writing practical programs in Haskell.
Surprisingly enough, mtl uses UndecidableInstances, so almost every
practical Haskell program uses it in one way or another.
Gregory Collins <greg at gregorycollins.net>
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