[Haskell-cafe] Are functional dependencies around to stay?
Andrey Sisoyev
Andrejs.Sisojevs at nextmail.ru
Tue Dec 22 18:43:00 EST 2009
The referenced writings are a bit old. I wonder, what are the current plans
and decisions (or at least dominating opinions) on FD and TF. And when the
equality constraint will be ready.
Andrey
Stephen Tetley-2 wrote:
>
> 2009/12/22 Eduard Sergeev <Eduard.Sergeev at gmail.com>:
>
>> As was previously noted they are supposed to be replaced by type
>> families,
>
> Hi Eduard
>
> Currently this seems a more like a rumour than a fact - from [1] Type
> Families and Fun Deps are equivalently expressive which seems a
> worthwhile point to restate. From [2] the Haskell prime committee want
> one or the other but not both, and will resolve matters sometime in
> the future.
>
> Best wishes
>
> Stephen
>
> [1]
> http://www.haskell.org/pipermail/haskell-cafe/2009-February/055890.html
> [2] http://www.haskell.org/pipermail/haskell-prime/2008-April/002434.html
> _______________________________________________
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
> http://www.haskell.org/mailman/listinfo/haskell-cafe
>
>
--
View this message in context: http://old.nabble.com/Are-functional-dependencies-around-to-stay--tp26873777p26895997.html
Sent from the Haskell - Haskell-Cafe mailing list archive at Nabble.com.
More information about the Haskell-Cafe
mailing list