24 Nov
2019
24 Nov
'19
5:35 p.m.
On Sun, 24 Nov 2019, Dan Burton wrote:
We're talking about an instance in `base`, so if there's no other way, it could at least be a flag akin to -Wmissing-monadfail-instances that gets included in -Wcompat. But relatedly: should there be a way to deprecate instances? I would say yes.
Sounds like another application of instance warnings that we already talked about: https://gitlab.haskell.org/ghc/ghc/issues/11796