25 Jul
2010
25 Jul
'10
5:23 p.m.
On Sun, Jul 25, 2010 at 4:13 PM, aditya siram
Eta-reducing is nice, and sometimes it makes code more readable. But 'flip' is one of those functions that always seems to hinder rather than help readability, conversely factoring out flip always makes code easier to comprehend. I don't see a need for its existence - maybe I'm missing something and more experienced Haskellers can comment.
I'm a fan of (flip map), (flip mapM) and the like. These are usually renamed 'for' and 'forM' (and then 'forM_', of course). It makes for nice in-line function literals:
flip map xs $ \elem -> do something long and complex with xs
Antoine