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bug#27177: 26.0.50: Macroexpanding cl-loop and friends (make-symbol usag
From: |
Michael Heerdegen |
Subject: |
bug#27177: 26.0.50: Macroexpanding cl-loop and friends (make-symbol usage) |
Date: |
Sat, 03 Jun 2017 01:09:01 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) |
Alex <agrambot@gmail.com> writes:
> > AFAICT `print-circle' and `print-gensym' also control how `prin1'
> > prints.
>
> Does print-circle? Consider:
>
> (prin1 `(cons ,(make-symbol "hello")
> ,(make-symbol "hello")))
>
> print-gensym certainly makes a difference in the output, but
> print-circle doesn't seem to.
There are no shared parts in your example expression, so it doesn't make
a difference in this particular case.
> However, I don't know how prin1 would keep track of the uninterned
> symbols across many different procedure calls, which it would need to do
> for it to know what is being shared.
It doesn't AFAICT.
Michael.