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

Simon Peyton Jones simon.peytonjones at gmail.com
Wed May 24 09:12:23 UTC 2023


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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