Is it possible you could point me to the right part of the ghc source to fix, so that I can patch it and carry on working in the meantime? Keean. Simon Peyton-Jones wrote

It's all part of this newName stuff I wrote about. I hope to have it done in a week or so

| -----Original Message----- | From: template-haskell-bounces@haskell.org [mailto:template-haskell-bounces@haskell.org] On | Behalf Of Keean Schupke | Sent: 26 November 2004 11:09 | To: Ian Lynagh | Cc: template-haskell@haskell.org; Simon Peyton-Jones | Subject: [Template-haskell] Bug? Unique class names... | | Hi, | I am trying to generate classes on the fly... as classes may get | generated more | than once, I want guaranteed unique names (sounds like a job for newName)... | However, whilst the first example works, the second fails: | | >-- this works | >test :: Q [Dec] | >test = do | > k <- newName "k" | > c <- classD (cxt []) (mkName "MyClass") [k] [] [] | > return [c] | | >-- this fails | >test :: Q [Dec] | >test = do | > n <- newName "MyClass" | > k <- newName "k" | > c <- classD (cxt []) n [k] [] [] | > return [c] | | In the second case this error is given: | | ghc-6.3: panic! (the `impossible' happened, GHC version 6.3): | nameModule MyClass{tc a3dX} | | Is this a bug? How easy is it to fix? | | Regards, | Keean. | | | _______________________________________________ | template-haskell mailing list | template-haskell@haskell.org | http://www.haskell.org/mailman/listinfo/template-haskell