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Re: problems with Emacs 28


From: Michael Heerdegen
Subject: Re: problems with Emacs 28
Date: Sun, 25 Oct 2020 13:13:40 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Drew Adams <drew.adams@oracle.com> writes:

> If users can't depend on it, to let them know
> if a function might modify data destructively,
> then it can mislead, and so be even more
> "dangerous".  Now, we really need a giant sign
> saying that you can't rely on a destructive
> function's name having a suffix of `!'.

BTW, we use "destructive" most of the time to denote "might do anything
with the original value" (from "destroy).  Vs. here the ! means
"modifies in place" (you can rely on the value being present in the
original place).

Michael.




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