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Re: Strafunski/overlapping instances in ghc-6.5: msg#00001

lang.haskell.glasgow.bugs

Subject: Re: Strafunski/overlapping instances in ghc-6.5

Christopher Brown wrote:
Christian,


Did you try the switch -fallow-overlapping-instances when compiling?

Yes, but it doesn't seem to make much difference.

Maybe a couple of more library files have not been translated with the above flag.

http://article.gmane.org/gmane.comp.lang.haskell.glasgow.bugs/3625

In fact I became a problem with a Show instance and ghc-6.5.20060211

Christian

OMDoc/HetsDefs.hs:649:0:
Overlapping instances for Show AllMaps
arising from use of `GHC.Show.$dmshowList' at OMDoc/HetsDefs.hs:649:0
Matching instances:
instance (Show a, Show b, Show c, Show d, Show e, Show f) =>
Show (a, b, c, d, e, f)
-- Imported from GHC.Show
instance [overlap ok] Show AllMaps
-- Defined at OMDoc/HetsDefs.hs:649:0
In the expression: GHC.Show.$dmshowList
In the definition of `showList': showList = GHC.Show.$dmshowList
In the definition for method `showList'


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