[Haskell-cafe] Re: Data instance for a GADT

Seeing this old thread[1], I hope something happened towards enabling this. Does anybody know the current status about using TH on GADTs? [1] http://www.haskell.org/pipermail/template-haskell/2006-August/000567.html On 14 April 2010 10:32, Ozgur Akgun wrote:

answering to myself: I guess this is related: http://hackage.haskell.org/trac/ghc/ticket/3497

On 14 April 2010 10:13, Ozgur Akgun 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

-- Ozgur Akgun