From: Stefan Monnier <monnier@iro.umontreal.ca>
To: "Pascal J. Bourguignon" <pjb@informatimago.com>
Cc: emacs-devel@gnu.org
Subject: Re: problems with flet on last emacs
Date: Wed, 27 Jun 2012 11:29:10 -0400 [thread overview]
Message-ID: <jwvmx3o6al4.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87zk7oq5qr.fsf@kuiper.lan.informatimago.com> (Pascal J. Bourguignon's message of "Wed, 27 Jun 2012 14:49:48 +0200")
>> stranges things happen with recent Emacs.
>> All functions that use flet don't work anymore.
And I hopefully have fixed this about half an hour ago.
> flet is a macro in cl-macs.el
> in emacs-version "23.4.2":
[...]
> This is spooky, because it rebinds the function slot of the symbol
> (globally).
Yes, it's pretty ugly.
> In Common Lisp, flet is a lexical binding.
> An alternative (and more correct) implementation of flet would use a
> code walker to substitute any call to (f 42) by something like:
> (--cl-letf-function-- 42).
`cl-flet' does something sane along these lines, which should be
compliant with the Common-Lisp semantics.
Stefan
next prev parent reply other threads:[~2012-06-27 15:29 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-27 12:36 problems with flet on last emacs Thierry Volpiatto
2012-06-27 12:49 ` Pascal J. Bourguignon
2012-06-27 15:29 ` Stefan Monnier [this message]
2012-06-27 16:38 ` Thierry Volpiatto
2012-06-28 6:53 ` Ivan Kanis
2012-06-28 7:31 ` Thierry Volpiatto
2012-06-29 5:42 ` Ivan Kanis
2012-06-29 6:17 ` Thierry Volpiatto
2012-07-12 8:22 ` Ivan Kanis
2012-07-12 14:40 ` Stefan Monnier
2012-07-12 16:44 ` Ivan Kanis
2012-11-09 17:41 ` João Távora
2012-11-09 19:23 ` Stefan Monnier
2012-11-10 14:12 ` João Távora
2012-11-10 22:46 ` Stefan Monnier
2012-11-10 23:07 ` João Távora
2012-11-10 23:38 ` Stefan Monnier
2012-11-12 8:02 ` Andreas Röhler
2012-06-27 13:24 ` Tassilo Horn
2012-06-27 13:43 ` Thierry Volpiatto
2012-06-27 14:27 ` Thierry Volpiatto
2012-06-27 14:42 ` Pascal J. Bourguignon
2012-06-27 15:55 ` Tassilo Horn
2012-06-27 16:29 ` Pascal J. Bourguignon
2012-06-27 19:42 ` Tassilo Horn
2012-06-27 19:46 ` Pascal J. Bourguignon
2012-06-27 15:01 ` Andreas Schwab
2012-06-27 16:03 ` Tassilo Horn
2012-06-27 16:22 ` Glenn Morris
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