XPost: comp.lang.functional   
   From: dot@dotat.at   
      
   Simon Richard Clarkstone  wrote:   
   >   
   >Have a look into Haskell's Data.Graph.Inductive.  The inventor wrote a   
   >paper explaining it.   
      
   I think you are referring to http://web.engr.oregonstate.edu/~erwig/fgl/   
   The library allows you to write really beautiful graph algorithms,   
   but its insides depend on fiendish cleverness.   
      
   Tony.   
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