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| From: | Stefan Monnier |
| Subject: | Re: 31395511: "Don’t attempt to modify constant strings" |
| Date: | Thu, 04 Jun 2020 17:27:32 -0400 |
| User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
> To be honest, I'd prefer a mutablep predicate, with a strong warning not
> to use it in the way that was suggested:
>
> (if (mutablep object)
> (do-something object)
> (do-something (copy object)))
Aka (do-something (if (mutablep object) object (copy object)))
Stefan
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