Hash-consing references?

smk@dcs.edinburgh.ac.uk (Stefan Kahrs)
Sun, 9 Feb 92 18:26:44 GMT

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Hash-consing references? smk@dcs.edinburgh.ac.uk (1992-02-09)
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Newsgroups: comp.compilers
From: smk@dcs.edinburgh.ac.uk (Stefan Kahrs)
Keywords: functional, storage, question
Organization: Compilers Central
Date: Sun, 9 Feb 92 18:26:44 GMT

Can anybody give me some references about "hash-consing"?

For those who don't know: hash-consing is occasionally used in
implementations of applicative (functional etc.) languages, and it roughly
means that the CONS operation does not automatically create a new
CONS-cell when called, because it first tries to find an already existing
cell with exactly the contents it is supposed to create.

Thanks in advance,
Stefan Kahrs

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