Jules Bean wrote: > I think the 'right' answer for this case is to drop the maybes and just > use lists, which is what the OP himself realised.
Yes, part of the fun of programming is when you realize that you have been re-implementing the right data type inside of a wrong one. Alistair Bayley wrote: >> (BTW, this has probably come up before, but wouldn't it be a little >> bit nicer if "when" returned mzero rather than () in the "do nothing" >> case?) No. We already have both of those: when pred action guard pred >> action -Yitz _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
