On Tue, Oct 6, 2015 at 6:16 PM, Bardur Arantsson <spam@scientician.net> wrote:

On 10/06/2015 11:11 AM, Johan Tibell wrote:
> It might be enough to just add a NOWARN <warning type> pragma that acts on
> a single line/expression. I've seen it in both C++ and Python linters and
> it works reasonably well and it's quite general.

+1. Simple is good and can hopefully also be backported to older GHC
releases. (Provided someone's willing to do said releases, obviously.)

I've thought of this in the past and it would be great to have. Another possible use case is to allow this for extensions as well, e.g. "Only allow UndecidableInstances for this declaration"

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