[Haskell-cafe] A function that makes list of Bool lists from list
of Int lists
daniel.is.fischer at web.de
Sat Apr 3 10:10:16 EDT 2010
Am Samstag 03 April 2010 15:54:26 schrieb Maur Toter:
> I am new with Haskell so I think this will be a pretty dumb question.
> I would like to make a function that makes this:
> listbool :: [[Int]] -> [[Bool]]
> in this way:
> listbool [[1,2],[3,4]] == [[True, True],[False, False]]
> listbool [,[5,5],[5,4],] == [[True],[False, False],[True, True],
> So always True from the elements of the first list, False from the
> elements of the second one, etc...
> Can you help me to do that?
> Thanks for your help!
Looks like homework, so only a few hints:
zipWith, cycle, const
> Maur Toter
More information about the Haskell-Cafe