* Re: [Emacs-diffs] /srv/bzr/emacs/emacs-24 r110798: Small doc updates for generalized variables
[not found] <E1TVy11-0001nh-HQ@vcs.savannah.gnu.org>
@ 2012-11-07 13:58 ` Stefan Monnier
0 siblings, 0 replies; only message in thread
From: Stefan Monnier @ 2012-11-07 13:58 UTC (permalink / raw)
To: Glenn Morris; +Cc: emacs-devel
> -instead the assignment is turned into (prog1 VAL (SETTER ARGS... VAL))
> +instead the assignment is turned into something equivalent to
> + \(let ((temp VAL))
> + (SETTER ARGS... temp)
> + temp)
Neither of the two forms is precisely correct (because both forms
evaluate VAL before ARGS).
The intent is not to be precise but to explain the kind of behavior
sought. So the `prog1' form works just as well.
Stefan
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[not found] <E1TVy11-0001nh-HQ@vcs.savannah.gnu.org>
2012-11-07 13:58 ` [Emacs-diffs] /srv/bzr/emacs/emacs-24 r110798: Small doc updates for generalized variables Stefan Monnier
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