Proposal: Add common instances for Control.Applicative.Const

David Luposchainsky dluposchainsky at
Mon Oct 14 17:55:07 UTC 2013

On 2013-10-14 18:33, Eric Mertens wrote:
> It would be handy for Control.Applicative.Const to have the various
> derivable instances (Eq, Ord, Read, Show).

Let me ask the other way round: is there ever a reason to *not* add
these instances if they're possible and unambiguous?


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