Hello David, Sunday, August 28, 2005, 4:19:07 PM, you wrote: DR> Hi all, DR> Does anyone have a nice bit of example code to implement memoization using DR> weak pointers and hash tables? It would be nice to have a pre-packaged DR> module that I could just use, which has already been tested. The contents DR> of Data.WeakPtr seem a bit lower-level than I'd rather work with. http://www.haskell.org/~simonmar/papers/weak.pdf -- Best regards, Bulat mailto:bulatz@HotPOP.com