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From: Dmitry <dgutov@yandex.ru>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: help-gnu-emacs@gnu.org
Subject: Re: What's the difference between (defvar foo) and (declare (special foo)), with lexical-binding on?
Date: Sun, 27 Jul 2014 12:00:31 +0300	[thread overview]
Message-ID: <86k36zi3bk.fsf@yandex.ru> (raw)
In-Reply-To: <jwvbnsb5icn.fsf-monnier+gmane.emacs.help@gnu.org> (Stefan Monnier's message of "Sun, 27 Jul 2014 04:16:11 -0400")

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> (declare (special foo))
>
> is a hack defined in CL.  It predates lexical-binding and I don't
> think anyone has tried to adapt it to lexical-binding, so I don't know
> what it does in the case of lexical-binding.

Thanks! So, you would advise not to use it in lexical-binding code at
all?

I think the biggest problem with it is it sorta-works-but-not-exactly.



  reply	other threads:[~2014-07-27  9:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-27  3:32 What's the difference between (defvar foo) and (declare (special foo)), with lexical-binding on? Dmitry Gutov
2014-07-27  8:16 ` Stefan Monnier
2014-07-27  9:00   ` Dmitry [this message]
2014-07-27  9:58     ` Stefan Monnier

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