[Haskell-cafe] problems with derive/TH
Alfonso Acosta
alfonso.acosta at gmail.com
Fri May 23 12:01:28 EDT 2008
On Fri, May 23, 2008 at 5:11 PM, Thomas Hartman <tphyahoo at gmail.com> wrote:
> I am assuming this used to work, but something changed, either in TH
> itself or switching from ghc6.6 to ghc6.8.
The "deriving" rules of 6.8 are more restrictive in some cases.
However, the same result can be obtained in 6.8 byt using stand-alone
deriving declarations:
http://www.haskell.org/ghc/docs/latest/html/users_guide/deriving.html#stand-alone-deriving
I guess this can be the problem.
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