1 Oct
2008
1 Oct
'08
1:45 p.m.
Derek Elkins
parseCSVFromFile "in.csv" >>= return . either (const "error!")
Whenever you see this >>= return . f pattern think liftM or fmap or <$>.
...and "return . f >>= action" is just "action . f", no? -k -- If I haven't seen further, it is by standing in the footprints of giants