From: "Clément Pit-Claudel" <cpitclaudel@gmail.com>
To: emacs-devel@gnu.org
Subject: Re: Try and detect common problems in lexical code
Date: Wed, 18 Mar 2020 18:29:15 -0400 [thread overview]
Message-ID: <f64cf1f4-64c2-f4b3-c635-51b6fec00dea@gmail.com> (raw)
In-Reply-To: <jwvsgi5mn6n.fsf-monnier+emacs@gnu.org>
Well, that was fast! :)
> Another difference is that this probably has a more noticeable
> performance impact
Shouldn't the cost be essentially 0 when (defvar) happens "at the toplevel", within an empty specdpl stack? And isn't that the common case (a defvar is a toplevel form in a file loaded by a `require')?
Clément.
next prev parent reply other threads:[~2020-03-18 22:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-18 20:30 Try and detect common problems in lexical code Stefan Monnier
2020-03-18 22:29 ` Clément Pit-Claudel [this message]
2020-03-19 0:00 ` Stefan Monnier
2020-03-20 16:47 ` Clément Pit-Claudel
2020-03-19 1:54 ` Richard Stallman
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