[Haskell-cafe] category-extras clash with transformers

[Tony Morris]

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On 21/11/10 04:43, Ross Paterson wrote:
> On Sat, Nov 20, 2010 at 10:58:44PM +1000, Tony Morris wrote:
>> I have installed mtl-1.1.1.0 so that xmonad-contrib-0.9.1 would
>> compile with GHC 6.12.1.
>> http://permalink.gmane.org/gmane.comp.lang.haskell.xmonad/10603
>>
>> Then I tried to installed category-extras-0.53.5, which clashed
>> with transformers-0.2.2.0 for the Applicative/Monad instances for
>> Either.
>>
>> Is there any way out of this problem? Thanks for any pointers.
>
> The instance in question is in the base package from GHC 7, which
> should avoid this problem of clashing orphans in the future.
> Unfortunately that doesn't help you -- I think both xmonad-contrib
> and category-extras need to be updated.
> _______________________________________________ Haskell-Cafe
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Thanks Ross,
I just wish to confirm -- I'm totally screwed, right?

- -- 
Tony Morris
http://tmorris.net/

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