And another one I found, in 81 lines of Haskell (may be interesting for comparison): https://github.com/ryantrinkle/memoise/blob/master/src/Main.hs https://gith

And another one I found, in 81 lines of Haskell (may be interesting for comparison): https://github.com/ryantrinkle/memoise/blob/master/src/Main.hs https://github.com/ryantrinkle/memoise/blob/master/src/Main.... There's also a presentation to go with it: http://vimeo.com/59109358 http://vimeo.com/59109358