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Re: Proposal #13: Structure Sharing in Arguments
- Subject: Re: Proposal #13: Structure Sharing in Arguments
- From: shebs%utah-orion@utah-cs.arpa (Stanley Shebs)
- Date: Sat, 26 Jul 86 17:26:34 MDT
- Apparently-to: common-lisp@su-ai.arpa
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- Newsgroups: fa.common-lisp
- Organization: University of Utah CS Dept
- References: <FAHLMAN.12225845128.BABYL@C.CS.CMU.EDU>
- Reply-to: shebs@utah-orion.UUCP (Stanley Shebs)
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In article <FAHLMAN.12225845128.BABYL@C.CS.CMU.EDU> Fahlman@C.CS.CMU.EDU (Scott E. Fahlman) writes:
>We are then left with something like Guy's rule: In general, it is not
>safe to do destructive operations on a list unless you know where it
>came from and who else might be holding on to it.
We teach our students this already, although most textbooks seem to have
only a token warning against it. Perhaps the new standard should print
this in red with purple polka-dots?
stan