type checking fails with a correct type

[Jan Jakubuv]

On Thu, Apr 30, 2009 at 10:20:44AM -0400, Brandon S. Allbery KF8NH wrote:
>
> http://www.haskell.org/pipermail/haskell-cafe/2008-April/041397.html
> http://hackage.haskell.org/trac/ghc/ticket/1897
>

Thanks for your answer and these links. Although the issue discussed there
is more related to type families which were not used in my example, it was
still helpful for me. At least now I know about the "show . read" problem
;-)

Jan.



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