[Haskell-cafe] List of nitpicks

[Alex Rozenshteyn]

But you can't do something like

instance E a

On Fri, Aug 28, 2015 at 9:27 AM, Johannes Waldmann <
johannes.waldmann at htwk-leipzig.de> wrote:

> Re: http://repetae.net/recent/out/classalias.html
>
> Prelude> :set -XConstraintKinds
> Prelude> class C a; class D a; type E a = (C a, D a); instance E a => C
> (Maybe a)
>
>
> https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/constraint-kind.html
>
> - J.W.
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