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bug#27177: 26.0.50: Macroexpanding cl-loop and friends (make-symbol usag
bug#27177: 26.0.50: Macroexpanding cl-loop and friends (make-symbol usage)
Fri, 02 Jun 2017 19:17:14 -0400
Gnus/5.13 (Gnus v5.13) Emacs/25.2.50 (gnu/linux)
Alex <address@hidden> writes:
>> AFAICT `print-circle' and `print-gensym' also control how `prin1'
> 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.
You're producing 2 different symbols, try
(let ((sym (make-symbol "hello")))
(prin1 `(cons ,sym ,sym)))
> 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 looks like `print-continuous-numbering' and `print-number-table'
might be relevant.