the MPTC Dilemma (please solve)

Simon Peyton-Jones simonpj at
Wed Mar 1 03:18:17 EST 2006

| >You addressed this to me -- but I'm an advocate for rather
| >extensions whereas you are calling for extensions that go beyond what
| >any current implementation can do.
| generally, that may be true,-) but in this specific case, I was just
| for an effort to document the differences in current handling of
| Haskell in hugs and ghc, by collecting test cases such as those I

Collecting test cases is indeed useful.

But since it is apparently well beyond Haskell', you probably don't want
to tangle it up with the Haskell' web site.  In that case, a plausible
place to collect them would be the GHC user documentation wiki   At the bottom is
"Collaborative documentation" and you could add a new page for
"Overlapping instances and functional dependencies" or whatever.  It's
all entirely world-writeable.

I know you want to describe the differences between GHC and Hugs, but
this seems as good a place as any to do so.



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