[Haskell-cafe] Tracking down where an instance comes from

[Rudy Matela]

I can support the guess.  A similar problem was found in Tasty a while ago:

https://github.com/feuerbach/tasty/issues/71

In the case of Tasty, the problem was solved by using regex-tdfa-rc instead of
regex-tdfa.

On Tue, Oct 28, 2014 at 11:58:23AM +0100, Tobias Florek wrote:
> Hi,
> 
> > instance [safe] Show (a -> b) -- Defined in ‘Text.Show.Functions’
> > 
> > What would be the best way to track down through which import this
> > actually comes in? 
> 
> I might be late and you already found it, but my strong guess is that
> it's regex-tdfa.
> 
> Cheers,
>  tobias florek
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