Re: [Haskell-cafe] Practise fingerspelling with Haskell! (Code cleanup request)

2007-07-19 Thread Mirko Rahn
Just some remarks: difference = length . filter (==False) . uncurry (zipWith (==)) Maybe difference = length . filter id . uncurry (zipWith (/=)) or even difference w = length . filter id . zipWith (/=) w and defer the call of uncurry. We then have keepOneDiff = filter ((< 2) . uncurry d

[Haskell-cafe] Practise fingerspelling with Haskell! (Code cleanup request)

2007-07-17 Thread Dougal Stanton
The following is a slap-dash program for generating a list of pairs of words which differ by, at most, one letter. It's quite verbose at the moment, because (a) that was the way I wrote it, a snippet at a time, and (b) I lack the wit to make it shorter. Can anyone recommend ways to make this prog