How to memoize functions?

[sismex01 at hebmex.com]

> From: Chris Reedy [mailto:creedy at mitretek.org] 
> Sent: Viernes, 27 de Junio de 2003 09:19 a.m.
> 
> That's true. Unfortunately, that misses the other half of the
> problem (which, admittedly, I didn't mention) which is that I
> would also like to be able to collect the results of the function,
> which could be complex data structures, as well as the arguments
> (which could be other instances of the same complex structures).
> 
>    Chris
>

So how do you wish to memoize, if you wish for the
results (which are gonna get cached) to be collected?

Is this a long running process?  If it's not, then
I'd say to cache the results which take more than X
seconds to calculate and forget about having the
results collected.

Or, use a shelf instead of a dictionary.

-gustavo

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