efficient memoize decorator?

[Fredrik Lundh]

Gabriel Genellina wrote:

> This implementation uses cPickle to generate a key from the supplied 
> function arguments, which is very slow and defeats the purpose of 
> memoizing.

depends on the cost of recreating an object, of course.  it's a bit 
surprising that so many programmers seem to think that there are "one 
size fits all" solutions to caching and memoization...

</F>