Status of #10071 (class method deprecations)

Richard Eisenberg rae at
Fri Nov 6 20:02:15 UTC 2020

My take (not authoritative) is that some good ideas were floated, but nothing was decided on. Given that we now have a proper process for deciding on new features, I think we should use it, and go via a proposal. Note that I've fixed the link in the original description to point to


> On Nov 6, 2020, at 1:22 AM, Fumiaki Kinoshita <fumiexcel at> wrote:
> I stumbled upon a case where I want to deprecate a class method in favour of another ( <>), which reminded me of some discussion around Monad-of-no-return proposal.
> There seems to be an old ticket, but I'm not sure what the status is -- 
> is this approved and waiting for implementation, or something which needs to be resubmitted to ghc-proposals? 
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