Hey Andrew, On 11 jun 2008, at 20:17, Andrew Coppin wrote:
According to the theory, anything that consumes a list and produces a value is some kind of fold. [Assuming it traverses the list in a sensible order!] So it looks like you could implement this as a fold. But should that be a LEFT-fold or a RIGHT-fold? (I always get confused between the two!)
Check out http://foldl.com/ and http://foldr.com ;)
-chris _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
