2011/11/29 Stefan Holdermans <[email protected]>: > Martin, > >> (The trick with `flip` is tempting, but again at the >> cost of having to peer rather too closely at the implementation of >> processFile when reading the code). > > That "trick" is of course completely orthogonal. One could just as well write: > > processFile :: (String -> [a]) -> (a -> (String, String)) -> Editor -> > String -> IO () > processFile f g ed path = do > s <- readFile path > ps -> mapM (makePair . g) (f s) > es -> return $ V.fromList ps > writeIORef ed es > > importFile = processFile lines (\x -> (x, "")) > loadFile = processFile parseFile id
With the TupleSections extension, you can write (,"") Cheers, Thu _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
