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Re: `unreadablep'

From: Po Lu
Subject: Re: `unreadablep'
Date: Wed, 15 Dec 2021 17:42:15 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) 
Lars Ingebrigtsen <larsi@gnus.org> writes:

> But having `prin1' return whether it printed something unreadable also
> sounds attractive.  I guess it depends on the use case.  If you're
> saying
>
> (if (unprintable o)
>     (insert ";; " (prin1 o (current-buffer)))
>   (prin1 o (current-buffer)))
>
> then you're traversing the data twice, which isn't efficient, so
> inserting it first and then checking would be nice.

Yes, my thoughts exactly.
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