From: Eduardo Ochs <eduardoochs@gmail.com>
To: John Haman <mail@johnhaman.org>
Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>
Subject: Re: Morally equivalent
Date: Sat, 15 Oct 2022 23:55:52 -0300 [thread overview]
Message-ID: <CADs++6h_0n5C=sb1Z3PvAzNi=UE1N+Bj0TcQ1PmZ-fczsxHf0g@mail.gmail.com> (raw)
In-Reply-To: <tifr7h$952$1@ciao.gmane.io>
Maybe this?
https://eugeniacheng.com/wp-content/uploads/2017/02/cheng-morality.pdf
On Sat, 15 Oct 2022, 23:50 John Haman, <mail@johnhaman.org> wrote:
> 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
>
>
>
>
next prev parent reply other threads:[~2022-10-16 2:55 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-16 2:45 Morally equivalent John Haman
2022-10-16 2:55 ` Eduardo Ochs [this message]
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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