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5outh/graphFromFile.hs

Created December 5, 2012 22:04
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Graph from file
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graphFromFile.hs
graphFromFile :: String -> IO (Graph String)
graphFromFile f = do
contents <- readFile f
let info = map words $ lines contents
verts = nub . concat $ info
conns = map (\[a, b] -> (a, b)) info
graph = Graph verts conns
return graph
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