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Re: Elisp string function question

From: Emanuel Berg
Subject: Re: Elisp string function question
Date: Sun, 20 Jun 2021 03:09:14 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

>> I just tried and this:
>> (string-empty-p nil) returns nil. But nil is not an
>> non-empty string.
> nil is a lot of things, it is the boolean false, it is
> a variable with a value that isn't ready to be used, it is
> an empty list, and apparently and empty string as well:
>   (string= "" nil)
> Thanks for mentioning `string-empty-p' BTW, didn't know of
> that, now I can remove my own `empty-string-p' :P
> (which shows the same bahavior BTW)

No, it doesn't, why did I ever remove it? I thought it was the
same as this but it wasn't, (string-empty-p nil) should be
t according to the way I've been using it! Christ, no wonder
nothing works all of a sudden.

underground experts united

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