From: Michael Heerdegen <michael_heerdegen@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: Are two symbols `equal' iff they are `eq'?
Date: Sun, 09 Aug 2015 16:03:43 +0200 [thread overview]
Message-ID: <877fp4tv7k.fsf@web.de> (raw)
In-Reply-To: 878u9k7vru.fsf@mbork.pl
Marcin Borkowski <mbork@mbork.pl> writes:
> I cannot make two symbols which would be `equal' but not `eq'.
Unlike what your subject says, you seem to want to know
Are two symbols `eq' iff they are `equal'?
Which is the more interesting question.
> (defun eq (a b) (message "Haha!))
> (equal 'a 'a)
This is not a good test when the call to `eq' is done from C. So, a
negative result doesn't mean anything.
Michael.
next prev parent reply other threads:[~2015-08-09 14:03 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.7993.1439079676.904.help-gnu-emacs@gnu.org>
2015-08-09 0:31 ` Are two symbols `equal' iff they are `eq'? Joost Kremers
2015-08-09 5:16 ` Ian Zimmerman
2015-08-09 7:30 ` Marcin Borkowski
2015-08-09 14:05 ` Michael Heerdegen
2015-08-09 15:10 ` Marcin Borkowski
2015-08-09 15:19 ` Eli Zaretskii
2015-08-09 15:45 ` Marcin Borkowski
2015-08-09 18:19 ` Eli Zaretskii
2015-08-09 19:41 ` Marcin Borkowski
2015-08-10 15:26 ` Nicolas Richard
[not found] ` <mailman.8007.1439097407.904.help-gnu-emacs@gnu.org>
2015-08-09 5:21 ` Rusi
2015-08-09 5:33 ` Ian Zimmerman
2015-08-09 7:42 ` Marcin Borkowski
2015-08-09 14:03 ` Michael Heerdegen [this message]
2015-08-09 14:42 ` Marcin Borkowski
2015-08-09 14:47 ` Michael Heerdegen
[not found] ` <mailman.8011.1439106166.904.help-gnu-emacs@gnu.org>
2015-08-09 15:38 ` Joost Kremers
2015-08-09 0:20 Marcin Borkowski
2015-08-09 1:52 ` Emanuel Berg
2015-08-09 7:44 ` Marcin Borkowski
2015-08-09 15:28 ` Drew Adams
2015-08-09 15:46 ` Marcin Borkowski
2015-08-09 16:38 ` Drew Adams
[not found] ` <mailman.8032.1439135226.904.help-gnu-emacs@gnu.org>
2015-08-09 15:59 ` Stefan Monnier
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