Status of Haskell'?

Edward Kmett ekmett at
Tue Nov 27 18:17:29 CET 2012

I think it has proven out pretty well in practice that probably want both
in the surface language. I know minimalists on the TF side of the debate
have tried to make the case that you don't even need FDs in the surface
syntax, but there are lots of places where it having a class with multiple
directional constraints makes the code much, much more sane.

I would be loathe to sacrifice either of them.


On Tue, Nov 27, 2012 at 12:11 PM, Brandon Allbery <allbery.b at>wrote:

> uestion yet?  I thought MPTC was not considered usable without one of
> those, and neither is yet considered standard (with some good reason in the
> case of FDs).
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