[Haskell-cafe] Introducing Instances in GHC point releases

Ketil Malde ketil at malde.org
Sun May 24 10:36:34 EDT 2009

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.

If I haven't seen further, it is by standing in the footprints of giants

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