Proposal: Remove Show and Eq superclasses of Num

[Sebastian Fischer]

On Sat, Sep 17, 2011 at 8:37 AM, Paterson, Ross <R.Paterson at city.ac.uk> wrote:
> Those
>  who merely use the numeric classes in type signatures or call their
>  methods should be unaffected.

Then Eq and Show must be superclasses of Num forever, which is the
wart Ian wants to address. I think that these superclasses should be
removed *and* the classes should be restructured along the lines of
yap. I don't care in which order, so +1 from me.

Sebastian