On Fri, Mar 09, 2012 at 09:07:24PM +0200, Ovidiu Deac wrote:
Does anybody know if there are any functions like these in the Haskell
libray?
updateSnd f (x,y) -> (x, f y)
updateFst f (x,y) -> (f x, y)
Yes: 'first' and 'second' from Control.Arrow.
-Brent
