> I need a class tree for haskell. where can i find it?
I'm interpreting this as you want a picture showing how the standard Haskell
classes relate to each other.
And my answer is to scroll 1/4 - 1/3 of the way down this page looking for a big
picture.
http://haskell.org/onlinereport/basic
Cris Okasaki [http://www.cs.columbia.edu/~cdo] has written tons of
papers on functional data structures, I guess you can steal code from
there. There was also a file containing all the examples from his
book `Purely Functional Data Structures' (Cambridge University Press,
1998, and everybody s
