[ghc-steering-committee] Type-level type applications (#80): Recommend accept
Manuel M T Chakravarty
chak at justtesting.org
Sat Feb 24 04:25:00 UTC 2018
Sounds good to me!
> Am 24.02.2018 um 07:32 schrieb Richard Eisenberg <rae at cs.brynmawr.edu>:
>
> This proposal (https://github.com/ghc-proposals/ghc-proposals/pull/80 <https://github.com/ghc-proposals/ghc-proposals/pull/80>) introduces type-level type applications, extending the existing TypeApplications syntax to work in types.
>
> - With -XTypeApplications, you will be able to instantiate kind variables in types. For example, you could talk about `Proxy @(Type -> Type) Maybe` and `Category @(TYPE IntRep) (->)` or even `(->) @(TYPE LiftedRep) @(TYPE DoubleRep)`.
>
> And that's it! GHC *already* has the required/specified/inferred distinction in terms, which is unchanged in types.
>
> I believe strongly we should accept. There was no substantive dissenting commentary, just clarifying questions.
>
> Thanks,
> Richard
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