[ghc-steering-committee] Please consider GHC Proposal #575 foracceptance.

[Eric Seidel]

Yes, to be clear I don't my concern as something to block on, it's a watch-out-for for library authors.

On Tue, Jun 6, 2023, at 03:44, Arnaud Spiwack wrote:
> I support acceptance as well.
>
> Eric's concern is a good point, but it probably shouldn't be an 
> obstacle to acceptance as 1/ the current proposal is still a clear 
> improvement on the situation 2/ it's unlikely that there is a 
> cost-effective way to improve on this axis.
>
> Adam complains about semantics in the Github thread [1]. Probably 
> something worth improving before merging.
>
> [1]: 
> https://github.com/ghc-proposals/ghc-proposals/pull/575#discussion_r1213653866
>
> On Wed, 24 May 2023 at 11:10, Simon Peyton Jones 
> <simon.peytonjones at gmail.com> wrote:
>> I support acceptance, but I have asked a question about syntax.
>> 
>> Simon
>> 
>> On Fri, 19 May 2023 at 10:05, Moritz Angermann <moritz.angermann at gmail.com> wrote:
>>> Dear Steering Committee,
>>> 
>>> I strongly endorse GHC Proposal #575 <https://github.com/ghc-proposals/ghc-proposals/pull/575>, which suggests the introduction of deprecation pragmas on instances.
>>> 
>>> The proposal is a logical extension of Haskell's existing deprecation facilities. Its implementation would fill a notable gap in the language's current deprecation capabilities.
>>> 
>>> The lack of instance deprecation hinders controlled evolution of libraries and codebases, often leading to unexpected changes for users. By allowing instance deprecation, we can enhance the stability and predictability of Haskell codebases and improve the user experience.
>>> 
>>> In summary, Proposal #575 represents a valuable improvement for Haskell. I urge the committee to give it favorable consideration.
>>> 
>>> Best Regards, Moritz
>>> 
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>
> -- 
> Arnaud Spiwack
> Director, Research at https://moduscreate.com and https://tweag.io.
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