cabal install QuickCheck

[Thomas DuBuisson]

Cabal has this really ugly hack called "preferred versions".  This is
how you get QC 1 (vs 2) and Parsec 2 (vs 3) when you don't specify.
To get around this just add a constraint:

cabal install 'QuickCheck >= 2'

Cheers,
Thomas

On Fri, Jan 7, 2011 at 1:49 AM, Christian Maeder
<Christian.Maeder at dfki.de> wrote:
> Hi,
>
> I was recently puzzled by the fact that I got
> QuickCheck-1.2.0.1 via cabal although QuickCheck-2.1.1.1 is in the
> current haskell-platform-2010.2.0.0.
>
> Shouldn't hackage be adjusted?
>
> Cheers Christian
>
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