Article View: comp.lang.misc
Article #2210Re: Some things that pointer-less languages can't do efficiently
From: Jeff Dalton
Date: Wed, 21 Nov 1990 20:07
Date: Wed, 21 Nov 1990 20:07
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1248 bytes
In article <4223@goanna.cs.rmit.oz.au> ok@goanna.cs.rmit.oz.au (Richard A. O'Keefe) writes: >In article <3716@skye.ed.ac.uk>, jeff@aiai.ed.ac.uk (Jeff Dalton) writes: >> In Lisp/Scheme, everything (all values of variables) is essentially a >> pointer. But then you can factor out the phrase "pointer to" and >> regard variables as naming the objects directly. So that's a sense >> in which Lisp and Scheme don't have pointers. > >Jim Giles has been saying at great length that the problem is ALIASING. No kidding, Richard. You will note that I was just providing some information about pointers and Scheme. Aliasing is, of course, still a problem.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!snorkelwacker.mit.edu!bloom-beacon!eru!hagbard!sunic!mcsun!ukc!edcastle!aiai!jeff From: jeff@aiai.ed.ac.uk (Jeff Dalton) Newsgroups: comp.lang.misc Subject: Re: Some things that pointer-less languages can't do efficiently Message-ID: <3807@skye.ed.ac.uk> Date: 21 Nov 90 20:07:47 GMT References: <26739:Oct1023:44:2690@kramden.acf.nyu.edu> <65450@lanl.gov> <3716@skye.ed.ac.uk> <4223@goanna.cs.rmit.oz.au> Reply-To: jeff@aiai.UUCP (Jeff Dalton) Organization: AIAI, University of Edinburgh, Scotland Lines: 13