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bug#27177: 26.0.50: Macroexpanding cl-loop and friends (make-symbol usag

From: Stefan Monnier
Subject: bug#27177: 26.0.50: Macroexpanding cl-loop and friends (make-symbol usage)
Date: Tue, 06 Jun 2017 00:20:51 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

> I've browsed around for a few common loop implementations and they all
> use gensym (CCL uses gentemp) and descriptive naming:

gensym is the indeed what is commonly used in Common-Lisp, whereas
make-symbol is what is commonly used in ELisp.

> I also found a CHICKEN Scheme egg for CL's loop, and it uses gensym (but
> generic names, unfortunately).

Does Scheme have make-symbol or something equivalent?

> If there's a good reason to not use gensym, then that's fine, but if the
> problem is easy enough to work around (perhaps per-expansion counter so
> that it will never realistically hit most-positive-fixnum), then I think
> cl-loop should use it.

I'd prefer to solve it in the printer, but that's just my opinion.
FWIW, I've found print-gensym to be sufficient.


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