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On 9/24/05, James Edward Gray II <james / grayproductions.net> wrote:
>
> On Sep 24, 2005, at 12:57 AM, Steven Arnold wrote:
>
> > Hi,
> >
> > I was reading PickAxe and came across the very cool concept of
> > "once" methods, which are methods that only evaluate when first
> > called, returning a cached value for subsequent calls.
>
> This is usually called memoization, but I'm not aware of a standard
> library that handles it.
>

http://raa.ruby-lang.org/project/memoize/

I havent yet tried it out, but if this doesn't work, it's not too hard to
implement.

--
Rob

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