[Haskell-cafe] Class constraints on associated types ...

[adam vogt]

On Fri, Jan 2, 2015 at 1:59 PM, aditya siram <aditya.siram at gmail.com> wrote:
> Since I upgraded to 7.8 from 7.5 that instance declaration is no longer
> accepted is no longer accepted since it violates FD's.

There is a patch adding a -XDysfunctionalDependencies extension here
<https://phabricator.haskell.org/D69>. It looks like it didn't make it
into 7.10