This is awesome, thanks Greg! I definitely have some code locally that could benefit from a better hashtable implementation. Michael On Sat, Jun 11, 2011 at 9:20 PM, Gregory Collins wrote:

Hi all,

I’m very pleased to announce today the release of the first version of hashtables, a Haskell library for fast mutable hash tables. The hashtables library contains three different mutable hash table implementations in the ST monad, as well as a type class abstracting out the functions common to each and a set of wrapper functions to use the hash tables in the IO monad. It's also substantially faster than Data.HashTable. For more information, including performance benchmarks vs. some of the other common Haskell associative datatypes, please see my blog post:

   http://gregorycollins.net/posts/2011/06/11/announcing-hashtables

Although I’ve made substantial efforts to test this code prior to release, it is a "version 1.0". Please send bug reports to the hashtables github issues page: https://github.com/gregorycollins/hashtables/issues.

Thanks!

G -- Gregory Collins

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