Re: [Haskell-cafe] SYB with class: Bug in Derive.hs module

2012-09-05 Thread Roman Cheplyaka
* Andrea Vezzosi sanzhi...@gmail.com [2012-09-05 03:13:56+0200] I've pushed the discussed changes to the repo[1], it'd be good if you (and other users) could test them before they get to hackage. [1] darcs get http://patch-tag.com/r/Saizan/syb-with-class/ I confirm that it fixed my problem.

Re: [Haskell-cafe] SYB with class: Bug in Derive.hs module

2012-09-04 Thread Andrea Vezzosi
I've pushed the discussed changes to the repo[1], it'd be good if you (and other users) could test them before they get to hackage. [1] darcs get http://patch-tag.com/r/Saizan/syb-with-class/ -- Andrea ___ Haskell-Cafe mailing list

Re: [Haskell-cafe] SYB with class: Bug in Derive.hs module

2012-09-03 Thread Andrea Vezzosi
On Mon, Sep 3, 2012 at 12:00 PM, Roman Cheplyaka r...@ro-che.info wrote: There's a bug in syb-with-class reported by Alexey Rodriguez Yakushev in 2008 [1]. I can confirm that the bug is still there (syb-with-class-0.6.1.3, ghc 7.4.1). [1]:

Re: [Haskell-cafe] SYB with class: Bug in Derive.hs module

2012-09-03 Thread Roman Cheplyaka
* Andrea Vezzosi sanzhi...@gmail.com [2012-09-03 12:50:03+0200] On Mon, Sep 3, 2012 at 12:00 PM, Roman Cheplyaka r...@ro-che.info wrote: There's a bug in syb-with-class reported by Alexey Rodriguez Yakushev in 2008 [1]. I can confirm that the bug is still there (syb-with-class-0.6.1.3, ghc

Re: [Haskell-cafe] SYB with class: Bug in Derive.hs module

2012-09-03 Thread Andrea Vezzosi
On Mon, Sep 3, 2012 at 2:53 PM, Roman Cheplyaka r...@ro-che.info wrote: * Andrea Vezzosi sanzhi...@gmail.com [2012-09-03 12:50:03+0200] [...] This is pretty similar to what ended up being a ghc bug, fixed in 7.0 though: http://hackage.haskell.org/trac/ghc/ticket/3731 The difference between

RE: [Haskell-cafe] SYB with class: Bug in Derive.hs module

2008-09-16 Thread Simon Peyton-Jones
The message below is a rather old thread but, as Ian says, it's related to http://hackage.haskell.org/trac/ghc/ticket/1470 http://hackage.haskell.org/trac/ghc/ticket/1735 which I have been looking it in preparation for 6.10. The good news is that I think I have fixed #1470. I think #1735 is

Re: [Haskell-cafe] SYB with class: Bug in Derive.hs module

2008-04-02 Thread Ian Lynagh
On Mon, Mar 31, 2008 at 03:47:04PM +0200, Alexey Rodriguez Yakushev wrote: The Data instance that Derive generates is as follows: instance (Data ctx a, Data ctx (BinTree a), Sat (ctx (BinTree a))) = Data ctx (BinTree a) where