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

Dear all, I believe the remaining concerns have been addressed. Are there any further concerns regarding this proposal? Otherwise, I recommend we accept it. Cheers, Moritz On Wed, 7 Jun 2023 at 22:59, Eric Seidel wrote:

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:

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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_r12136538...

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On Wed, 24 May 2023 at 11:10, Simon Peyton Jones wrote:

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I support acceptance, but I have asked a question about syntax.

Simon

On Fri, 19 May 2023 at 10:05, Moritz Angermann <

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Dear Steering Committee,

I strongly endorse GHC Proposal #575 < https://github.com/ghc-proposals/ghc-proposals/pull/575>, which suggests

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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.

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The lack of instance deprecation hinders controlled evolution of

moritz.angermann@gmail.com> wrote: the introduction of deprecation pragmas on instances. 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.

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In summary, Proposal #575 represents a valuable improvement for

Haskell. I urge the committee to give it favorable consideration.

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Best Regards, Moritz

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