[Haskell-cafe] Introducing Instances in GHC point releases

[Duncan Coutts]

On Sun, 2009-05-24 at 16:36 +0200, Ketil Malde wrote:
> Duncan Coutts <duncan.coutts at worc.ox.ac.uk> writes:
> 
> > The PVP says:
> 
> >              1. If any entity was removed, or the types of any entities
> >                 or the definitions of datatypes or classes were changed,
> >                 or instances were added or removed, then the new A.B
> >                 must be greater than the previous A.B.
> 
> ..and this should be machine-checkable, no?  Adding support for this
> to Hackage, so that conforming/non-conforming libraries could be
> highlighted might make a good Hac or (part of a) GSoC project.

Yes exactly. We proposed it for this summer's GSoC but it didn't quite
make the final cut.

http://hackage.haskell.org/trac/summer-of-code/ticket/1565

Duncan