Thank you all for replying! I am really beginning my baby steps in this fascinating language, and was just wondering if it was possible to naturally scan lists with arbitrary lists (aka trees :) ).
I guess this forum specifically is too advancaed for me (yet!), so my next questions will be posted on the beginners forum. Thanks, Vadali On Tue, Jul 13, 2010 at 11:07 AM, Ivan Lazar Miljenovic < [email protected]> wrote: > vadali <[email protected]> writes: > > > hello, > > iam really new to haskell, > > > > i want to define a function which takes as a parameter a list which can > > contain other lists, eg. [1,[2,3],[4,[5,6]]] > > > > how would i define a function that can iterate through the items so (in > this > > example) > > iter1 = 1 > > iter2 = [2,3] > > iter3 = [4,[5,6]] > > > > ? > > > > ( can i do that without using the Tree data type? ) > > Well, that's what a tree is, so why not use a tree? > > Your only other option is to define your own tree-like structure: > > data MyTree a = Value a | SubTree [MyTree a] > > > > > THANKS! > > YOUR WELCOME! :p > > -- > Ivan Lazar Miljenovic > [email protected] > IvanMiljenovic.wordpress.com >
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