This is an idea that has been kicking around for a long time.  But no Haskell implementation that I know of implements it.

On Nov 27, 2007 3:43 PM, Maurí­cio < briqueabraque@yahoo.com> wrote:
Hi,

If available memory is low, is the
garbage collector going to eliminate
data that is still referenced, but
it knows it can be recalculated when
needed?

Thanks,
Maurício

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