[Haskell-cafe] Weak hashtable memoization code?

Simon Marlow simonmar at microsoft.com
Tue Sep 13 11:42:52 EDT 2005

On 28 August 2005 16:39, Bulat Ziganshin wrote:

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

There's the memo table implementation in the util package:
hslibs/util/Memo.lhs.  Note that this is scheduled for demolition in GHC


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