answering to myself: I guess this is related: http://hackage.haskell.org/trac/ghc/ticket/3497
On 14 April 2010 10:13, Ozgur Akgun <ozgurak...@gmail.com> wrote: > Cafe, > > How can I provide a Data instance for a GADT? I am trying to TH on it, and > Uniplate requires Data. > I tried StandaloneDeriving, but it seems not to work. > > Best, > > -- > Ozgur Akgun > -- Ozgur Akgun
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