<div dir="ltr"><div>I support acceptance as well.</div><div><br></div><div>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.</div><div><br></div><div>Adam complains about semantics in the Github thread [1]. Probably something worth improving before merging.<br></div><div><br></div><div>[1]: <a href="https://github.com/ghc-proposals/ghc-proposals/pull/575#discussion_r1213653866">https://github.com/ghc-proposals/ghc-proposals/pull/575#discussion_r1213653866</a></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 24 May 2023 at 11:10, Simon Peyton Jones <<a href="mailto:simon.peytonjones@gmail.com">simon.peytonjones@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">I support acceptance, but I have asked a question about syntax.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Simon<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 19 May 2023 at 10:05, Moritz Angermann <<a href="mailto:moritz.angermann@gmail.com" target="_blank">moritz.angermann@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><p style="color:rgb(0,0,0)">Dear Steering Committee,</p><p style="color:rgb(0,0,0)">I strongly endorse <a href="https://github.com/ghc-proposals/ghc-proposals/pull/575" target="_blank">GHC Proposal #575</a>, which suggests the introduction of deprecation pragmas on instances.</p><p style="color:rgb(0,0,0)">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.</p><p style="color:rgb(0,0,0)">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.</p><p style="color:rgb(0,0,0)">In summary, Proposal #575 represents a valuable improvement for Haskell. I urge the committee to give it favorable consideration.</p><p style="color:rgb(0,0,0)">Best Regards, Moritz</p></div>
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</blockquote></div><br clear="all"><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr">Arnaud Spiwack<br>Director, Research at <a href="https://moduscreate.com" rel="noopener noreferrer" target="_blank">https://moduscreate.com</a> and <a href="https://tweag.io" rel="noopener noreferrer" target="_blank">https://tweag.io</a>.</div></div>