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Re: Are two symbols `equal' iff they are `eq'?
From: |
Marcin Borkowski |
Subject: |
Re: Are two symbols `equal' iff they are `eq'? |
Date: |
Sun, 09 Aug 2015 16:42:25 +0200 |
On 2015-08-09, at 16:03, Michael Heerdegen <michael_heerdegen@web.de> wrote:
> 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.
No, it's the same question.
https://en.wikipedia.org/w/index.php?title=Iff&redirect=no
>> (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.
That's what I suspected.
> Michael.
Thanks,
--
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Faculty of Mathematics and Computer Science
Adam Mickiewicz University
- Re: Are two symbols `equal' iff they are `eq'?, (continued)
- Re: Are two symbols `equal' iff they are `eq'?, Marcin Borkowski, 2015/08/09
- Re: Are two symbols `equal' iff they are `eq'?, Eli Zaretskii, 2015/08/09
- Re: Are two symbols `equal' iff they are `eq'?, Marcin Borkowski, 2015/08/09
- Re: Are two symbols `equal' iff they are `eq'?, Eli Zaretskii, 2015/08/09
- Re: Are two symbols `equal' iff they are `eq'?, Marcin Borkowski, 2015/08/09
- Re: Are two symbols `equal' iff they are `eq'?, Nicolas Richard, 2015/08/10
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- Re: Are two symbols `equal' iff they are `eq'?, Rusi, 2015/08/09
- Re: Are two symbols `equal' iff they are `eq'?, Ian Zimmerman, 2015/08/09
Re: Are two symbols `equal' iff they are `eq'?, Marcin Borkowski, 2015/08/09
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