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* Morally equivalent
@ 2022-10-16  2:45 John Haman
  2022-10-16  2:55 ` Eduardo Ochs
                   ` (3 more replies)
  0 siblings, 4 replies; 49+ messages in thread
From: John Haman @ 2022-10-16  2:45 UTC (permalink / raw)
  To: help-gnu-emacs

The documentation for push is

> push is a Lisp macro in ‘subr.el’.
> 
> (push NEWELT PLACE)
> 
> Add NEWELT to the list stored in the generalized variable PLACE.
> This is morally equivalent to (setf PLACE (cons NEWELT PLACE)),
> except that PLACE is evaluated only once (after NEWELT).
> 
>   Other relevant functions are documented in the list group.
>   Probably introduced at or before Emacs version 21.1.

What is a 'moral equivalence' in Emacs Lisp?

-- 
Dr. John Haman
Bethesda, MD





^ permalink raw reply	[flat|nested] 49+ messages in thread

end of thread, other threads:[~2022-10-24 21:06 UTC | newest]

Thread overview: 49+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-10-16  2:45 Morally equivalent John Haman
2022-10-16  2:55 ` Eduardo Ochs
2022-10-16  3:39 ` Michael Heerdegen
2022-10-16 14:29   ` [External] : " Drew Adams
2022-10-16 14:34     ` Heime
2022-10-16 14:42     ` Dr Rainer Woitok
2022-10-16 15:02       ` Drew Adams
2022-10-16 16:20         ` tomas
2022-10-16 19:27 ` Bob Newell
2022-10-16 19:43   ` [External] : " Drew Adams
2022-10-16 20:24     ` Bob Newell
2022-10-16 19:58   ` Christopher Dimech
2022-10-16 23:10     ` Michael Heerdegen
2022-10-16 23:17       ` Christopher Dimech
2022-10-16 23:32         ` Michael Heerdegen
2022-10-16 23:47           ` Eduardo Ochs
2022-10-17  1:13             ` Stefan Monnier via Users list for the GNU Emacs text editor
2022-10-18 10:44               ` Dr Rainer Woitok
2022-10-17  0:00           ` Christopher Dimech
2022-10-17  0:10             ` Michael Heerdegen
2022-10-17  0:32               ` Christopher Dimech
2022-10-17  0:53                 ` Michael Heerdegen
2022-10-17  1:18                   ` Christopher Dimech
2022-10-17  4:52                 ` tomas
2022-10-17  5:27                   ` Christopher Dimech
2022-10-20 14:08                     ` Akib Azmain Turja
2022-10-20 16:24                       ` Christopher Dimech
2022-10-20 18:29                         ` tomas
2022-10-20 19:54                           ` Christopher Dimech
2022-10-17  4:49       ` Akib Azmain Turja
2022-10-17  6:44         ` Eli Zaretskii
2022-10-17  7:48           ` tomas
2022-10-17  9:15             ` Thibaut Verron
2022-10-17 23:01               ` Rudolf Adamkovič
2022-10-18  1:01               ` Michael Heerdegen
2022-10-18  1:07                 ` Emanuel Berg
2022-10-18  2:39                 ` Po Lu
2022-10-18  3:50                   ` Michael Heerdegen
2022-10-18 14:11                   ` Eli Zaretskii
2022-10-18 16:50                     ` Christopher Dimech
2022-10-18 23:11                     ` Emanuel Berg
2022-10-20 14:05                       ` Akib Azmain Turja
2022-10-20 17:14                         ` Christopher Dimech
2022-10-17 15:42             ` Christopher Dimech
2022-10-17 11:47         ` Alessandro Bertulli
2022-10-23 10:16 ` Will Mengarini
2022-10-24 14:46   ` Marcin Borkowski
2022-10-24 21:06     ` Emanuel Berg
2022-10-24 21:05   ` Emanuel Berg

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