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From: Alan Mackenzie <acm@muc.de>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: emacs-devel@gnu.org
Subject: Re: What's the equivalent of `boundp' for lexical variables?
Date: Fri, 26 Jan 2024 20:58:05 +0000	[thread overview]
Message-ID: <ZbQc3T0wblAOQOQU@ACM> (raw)
In-Reply-To: <87jznv4y50.fsf@igel.home>

Hello, Andreas.

On Fri, Jan 26, 2024 at 21:50:51 +0100, Andreas Schwab wrote:
> On Jan 26 2024, Alan Mackenzie wrote:

> > Is there such a facility for lexical variables, and if so what is it?

> A lexical variable can never be unbound.

A symbol might have a lexical binding, it might not.  The problem is how
to test which one of these applies.

> -- 
> Andreas Schwab, schwab@linux-m68k.org
> GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
> "And now for something completely different."

-- 
Alan Mackenzie (Nuremberg, Germany).



  reply	other threads:[~2024-01-26 20:58 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-26 20:16 What's the equivalent of `boundp' for lexical variables? Alan Mackenzie
2024-01-26 20:50 ` Andreas Schwab
2024-01-26 20:58   ` Alan Mackenzie [this message]
2024-01-26 21:25     ` Andreas Schwab
2024-01-26 21:36       ` Alan Mackenzie
2024-01-26 21:44         ` Andreas Schwab
2024-01-28  5:28         ` Po Lu
2024-01-27  6:21 ` tomas
2024-01-28  3:01   ` Richard Stallman

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