Though of course it’d be really cool to evaluate what code may be incidentally using the monad fail instance by accident atm!
(is there any way we could do that?)
On Sun, Nov 24, 2019 at 12:35 PM Henning Thielemann <[hidden email]> wrote:
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.