[Haskell-cafe] Newb: List of nodes in a graph - is there a prettier way?

Ryan Ingram ryani.spam at gmail.com
Fri Sep 28 19:24:11 EDT 2007

Take a look in Data.List, in particular "nub", "unzip", and "map".

You may also be interested in this function from the Prelude:
fst :: (a,b) -> a
fst (a,_) = a

  -- ryan

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