[Haskell-beginners] alternative sourcegraph

[Brent Yorgey]

On Fri, Aug 09, 2013 at 12:00:42PM +0200, Kees Bleijenberg wrote:
> I want to remove 'dead' code and unnecessary exports out of modules. I tried
> sourceGraph with  sourceGraph tbGlasDll.hs and I  got:
> 
> Could not parse source file ./Toetsing.hs
> 
> Could not parse source file ./TestGlas.hs
> 
> Could not parse source file ./TBGlasDll.hs
> 
> Could not parse source file ./Glas.hs
> 
> Could not parse source file ./CalcGlas.hs
> 
> Could not parse source file ./calc.hs
> 
> Could not parse source file ./BelastingFactoren.hs
> 
> sourceGraph: Map.findMin: empty map has no minimal element
> 
> The files above compile without errors with ghc.
> 
> Maybe it has to do with Template Haskell code? Is there an alternative to
> sourceGraph?

I don't know of any alternatives to sourceGraph.  Why don't you file a
bug report with the maintainer?

-Brent