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From: gat@forsight.jpl.nasa.gov (Erann Gat)
Newsgroups: comp.lang.scheme
Subject: Re: Macros
Message-ID: <1991Jun1.000203.12258@elroy.jpl.nasa.gov>
Date: 1 Jun 91 00:02:03 GMT
References: <1490@yoakum.cs.utexas.edu> <6055@goanna.cs.rmit.oz.au> <TMB.91May31161941@volterra.ai.mit.edu>
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In article <TMB.91May31161941@volterra.ai.mit.edu> tmb@ai.mit.edu (Thomas M. Breuel) writes:
>ok@goanna.cs.rmit.oz.au:
>
>   But old kludges may
>   be allowed to hang around.  Scheme still has set-cdr! and string-set!
>
>I always thought that compared to CommonLisp SETF and other
>approaches, SET-CDR! etc.  are "the right thing (tm)".

T-style objects and operations, with the corresponding SET operation, are
the most elegant solution to this problem that I have seen.  I nominate
T for the "right thing" in destructive operations.

E.