Have you tried _x instead? On Saturday, January 9, 2016, Henning Thielemann < [email protected]> wrote:
> > GHC-8.0 emits several new warnings of this kind: > > Defined but not used: type variable ‘x’ > > for declarations like > > type instance Snd x y = y > > Enthusiastically, I started to replace unused type function arguments by > underscores, only to find out that older GHC versions do not accept that. > With what option can I disable this warning? Or can it be removed from > -Wall for now?
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