Thanks Don...
You are amazing... o_O always so quick with replies...
I was using GraphViz to generate some directed graphs*, knowing what to use for a dict/map will help speed things up!
Cetin

* (for analytic tableaux in Okitsune+)
+ (need a better name, maybe I should ask Haskell-Cafe for one in the near future)

2008/4/23 Don Stewart <dons@galois.com>:
cetin.sert:
>    Dear Haskell Devs ^_^,
>
>    1) what is the most performant lookup table/hashtable/dictionary solution
>    for Haskell?

Data.IntMap is awfully good.

>    1.1) should I use size-balanced binary trees for that or is there a more
>    common way?

I would. Data.Map/Data.IntMap

>    2) are there any established style guidelines for haskell code?

http://haskell.org/haskellwiki/Category:Style

Or pick an author you like, and look at their code on
hackage.haskell.org


-- Don