Missing instances for Eq1 (Const a), Ord1 (Const a), Show1 (Const a), Ord1 (Const a)

[Ross Paterson]

On Sat, Mar 07, 2015 at 02:39:47PM -0500, Edward Kmett wrote:
> I was looking at switching a chunk of my code over from prelude-extras to
> transformers 0.5, but the classes in
> 
> http://hackage.haskell.org/package/transformers-0.4.2.0/docs/
> Data-Functor-Classes.html
> 
> are currently missing instances for Control.Applicative.Const. =/

added now