Finding the instance reference of an object

Steven D'Aprano steve at
Fri Nov 7 17:12:49 CET 2008

On Fri, 07 Nov 2008 10:50:55 -0500, Steve Holden wrote:

> I am probably egregiously misunderstanding. The practical difficulty
> with the "moving huge blocks of data" approach would appear to emerge
> when a function that gets passed an instance of some container then
> calls another function that references the same container as a global,
> for example.

I have no doubt whatsoever that such an implementation would be fragile, 
complicated, convoluted and slow. In other words, it would be terrible. 
But that's merely a Quality of Implementation issue. It would still be 


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