[Haskell-beginners] Haskell.Exts parse failed: FlexibleContexts not enabled

Daniel Lincke daniel.lincke at pik-potsdam.de
Tue Sep 28 17:01:45 EDT 2010


when parsing a file containing a function signature with a context like
test :: (Functor f) => ...

I get the follewing failure:
ParseFailed "Malformed context: FlexibleContexts not enabled"

Actually I enables flexible contexts whereever I could ... any ideas?

Greets, daniel

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