What about blocks w h = concatMap transpose . map (map (chop w)) . chop h
? @L. Guo: map concat . blocks w h is what you want. Cheers, Daniel Am Donnerstag, 14. Juni 2007 09:42 schrieb Janis Voigtlaender: > Anyway, as a challenge to others on the list: write a one-liner that > splits an "image" like ["abcd","efgh","ijkl","mnop"], interpreted as > > abcd > efgh > ijkl > mnop > > into the list of images: > > [ > ab > ef > , > cd > gh > , > ij > mn > , > kl > op > ] > > for (w,h)=(2,2), into: > > [ > a > e > , > b > f > , > c > g > , > d > h > , > i > m > , > j > n > , > k > o > , > l > p > ] > > for (w,h)=(1,2), and so on. > > (Where an image like > > ab > ef > > is represented as ["ab","ef"].) > > Have fun, Janis. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
