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Thomas Miedema authored
GHC Trac user nimnul reports in https://ghc.haskell.org/trac/ghc/ticket/10540: Hoopl exports showGraph :: Showing n -> Graph n e x -> String But it doesn't export Showing. This doesn't make sense, as it's a user-supplied function. So to know what I should pass to showGraph I can only look at the source. :i Showing doesn't work. Below is a patch to export the innocent type synonym:
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