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

28 Jun 2023


      I'm in support, this is a nice improvement.

Cheers,

Adam


On 28/06/2023 06:18, Moritz Angermann wrote:
...
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 mailto:eric@seidel.io> 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:
     > 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... https://github.com/ghc-proposals/ghc-proposals/pull/575#discussion_r12136538...
     >
     > On Wed, 24 May 2023 at 11:10, Simon Peyton Jones
     > mailto:simon.peytonjones@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
    mailto:moritz.angermann@gmail.com> wrote:
     >>> Dear Steering Committee,
     >>>
     >>> I strongly endorse GHC Proposal #575
    <https://github.com/ghc-proposals/ghc-proposals/pull/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
-- 
Adam Gundry, Haskell Consultant
Well-Typed LLP, https://www.well-typed.com/

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