[Haskell-cafe] How to import hidden modules

[Greg Horn]

It might be possible with the
http://hackage.haskell.org/package/true-name package.
I've never used it but I remember the hilarious announcement
https://mail.haskell.org/pipermail/haskell-cafe/2016-January/122707.html

Best,
Greg

On Thu, Aug 31, 2017 at 8:07 AM Ricardo Peña <ricardo at sip.ucm.es> wrote:

> Hi,
>
> I need to define a class instance for the algebraic datatype
> Data.Map.Map in the Hierarchical GCH libraries, but I do not find the
> way to import Data.Map.Internal which it is assumed to be hidden. Is
> there any way to access to this definition?
>
> Thanks
> -Ricardo
>
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