From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: Any disadvantages of using put/get instead of defvar?
Date: Thu, 20 Feb 2014 20:40:08 -0500 [thread overview]
Message-ID: <jwvwqgpkzx7.fsf-monnier+gmane.emacs.help@gnu.org> (raw)
In-Reply-To: 87ob218lsu.fsf@thinkpad-t61.fritz.box
> You could also define the variable inside the function, i.e., that's a
> buffer-local counter:
> (defun counter ()
> (defvar counter-var 1)
> (setq-local counter-var (1+ counter-var)))
I'd recommend against it. Its semantics is pretty much the same as
(defun counter ()
(defvar counter-var 1)
(setq-local counter-var (1+ counter-var)))
except that `counter-var' will only be defined after the first call to
`counter'.
And no, it's not buffer-local.
Stefan
next prev parent reply other threads:[~2014-02-21 1:40 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-20 17:04 Any disadvantages of using put/get instead of defvar? Oleh
2014-02-20 22:24 ` Tassilo Horn
2014-02-21 1:40 ` Stefan Monnier [this message]
2014-02-21 10:29 ` Nicolas Richard
2014-02-21 13:57 ` Stefan Monnier
2014-02-21 11:49 ` Tassilo Horn
2014-02-21 14:41 ` Stefan Monnier
2014-02-21 9:12 ` Oleh
2014-02-21 9:39 ` Tassilo Horn
2014-02-21 9:44 ` Oleh
2014-02-21 9:51 ` Andreas Röhler
2014-02-21 9:56 ` Sebastian Wiesner
2014-02-21 11:56 ` Tassilo Horn
[not found] ` <mailman.15678.1392983787.10748.help-gnu-emacs@gnu.org>
2014-02-21 13:45 ` Helmut Eller
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