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From: Joost Kremers <joostkremers@yahoo.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Declaring a local dynamic variable?
Date: 23 Sep 2013 16:17:39 GMT	[thread overview]
Message-ID: <slrnl40qd3.31s.joostkremers@j.kremers4.news.arnhem.chello.nl> (raw)
In-Reply-To: 878uyo4w8n.fsf@informatimago.com

Pascal J. Bourguignon wrote:
> Joost Kremers <joostkremers@yahoo.com> writes:
>> If I purposefully use a local dynamic variable as in:
>
> CL has the (declare (special var…)) declaration for that.

Yeah, I was wondering if there was something similar for Elisp.

> To implement that in emacs lisp, you could define defun, let, let* and
> locally in a separate package, oops, no package in emacs.

Something that will hopefully be remedied one day. :-)

> To implement that in emacs lisp, you could define defun@, let@,
> let*@ and locally@ as macros that will check for the special
> declarations and define the variables as symbol-macrolets expanding to
> (symbol-value 'variable), and that save the old symbol-value and restore
> it.  Something like:

Erm, I believe you. :-) I'm afraid I don't have the time to go through
your code and grok it fully, but I'm duly impressed.



-- 
Joost Kremers                                   joostkremers@fastmail.fm
Selbst in die Unterwelt dringt durch Spalten Licht
EN:SiS(9)


  reply	other threads:[~2013-09-23 16:17 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-20  9:52 Declaring a local dynamic variable? Joost Kremers
2013-09-20 12:30 ` Stefan Monnier
2013-09-20 14:54   ` Andreas Röhler
     [not found]   ` <mailman.2569.1379688787.10748.help-gnu-emacs@gnu.org>
2013-09-20 15:10     ` Barry Margolin
2013-09-20 16:34       ` Andreas Röhler
     [not found]       ` <mailman.2578.1379694764.10748.help-gnu-emacs@gnu.org>
2013-09-20 20:59         ` Barry Margolin
2013-09-21  5:49           ` Andreas Röhler
2013-09-23 16:19           ` Joost Kremers
     [not found]           ` <mailman.2622.1379742443.10748.help-gnu-emacs@gnu.org>
2013-09-21 11:31             ` Barry Margolin
2013-09-21 13:32               ` Andreas Röhler
     [not found]               ` <mailman.2638.1379770251.10748.help-gnu-emacs@gnu.org>
2013-09-22  3:49                 ` Barry Margolin
2013-09-23 16:26             ` Joost Kremers
2013-09-23 21:17               ` Barry Margolin
2013-09-23 22:14                 ` Joost Kremers
2013-09-24  0:03                   ` Barry Margolin
2013-09-25  8:58                     ` Joost Kremers
2013-09-22 17:11 ` Pascal J. Bourguignon
2013-09-23 16:17   ` Joost Kremers [this message]
2013-09-24 21:40   ` Stefan Monnier
2013-11-02 23:56   ` WJ
2013-11-03  1:42   ` WJ
     [not found] ` <mailman.2566.1379680283.10748.help-gnu-emacs@gnu.org>
2013-09-23 16:11   ` Joost Kremers
2013-09-24 21:34     ` Stefan Monnier
2013-09-25  5:52       ` Andreas Röhler
2013-09-25  7:24         ` Stefan Monnier
2013-09-25  8:43       ` Joost Kremers
2013-09-25 12:26         ` Stefan Monnier
2013-10-12 16:54           ` Andreas Röhler
     [not found]           ` <mailman.3886.1381596756.10748.help-gnu-emacs@gnu.org>
2013-10-12 21:25             ` Kai Grossjohann
2013-10-13  8:12               ` Andreas Röhler
2013-10-13 13:37                 ` Stefan Monnier
2013-10-13 17:41                   ` Andreas Röhler
2013-10-13 19:56                     ` Kai Großjohann
     [not found]         ` <mailman.2843.1380112007.10748.help-gnu-emacs@gnu.org>
2013-09-25 15:46           ` Barry Margolin
2013-09-25 18:53             ` Stefan Monnier
2013-09-27  9:53               ` Andreas Röhler
2013-09-27 13:15                 ` Stefan Monnier
     [not found]               ` <mailman.2982.1380275511.10748.help-gnu-emacs@gnu.org>
2013-09-27 14:31                 ` Barry Margolin
2013-09-27 18:48                   ` Andreas Röhler
     [not found]                   ` <mailman.3016.1380307597.10748.help-gnu-emacs@gnu.org>
2013-09-27 20:18                     ` Pascal J. Bourguignon
2013-09-27 23:57                       ` Stefan Monnier
2013-09-28  6:20                       ` Andreas Röhler
2013-09-28  6:24                         ` W. Greenhouse
2013-09-28  6:50                           ` Andreas Röhler
2013-09-28  7:21                             ` W. Greenhouse
     [not found]             ` <mailman.2873.1380135245.10748.help-gnu-emacs@gnu.org>
2013-09-26  0:06               ` Barry Margolin

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