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From: Andy Wingo <wingo@pobox.com>
To: Ken Raeburn <raeburn@raeburn.org>
Cc: Daniel Kraft <d@domob.eu>, guile-devel <guile-devel@gnu.org>,
	Neil Jerram <neil@ossau.uklinux.net>
Subject: Re: %nil once again
Date: Fri, 24 Jul 2009 00:18:41 +0200	[thread overview]
Message-ID: <m37hxzf3ge.fsf@pobox.com> (raw)
In-Reply-To: <FC97B505-C95C-4292-A661-5628E5E5059A@raeburn.org> (Ken Raeburn's message of "Sun, 19 Jul 2009 23:33:38 -0400")

On Mon 20 Jul 2009 05:33, Ken Raeburn <raeburn@raeburn.org> writes:

> On Jul 19, 2009, at 16:10, Neil Jerram wrote:
>>> BTW, I implemented also the function bindings of symbols using this
>>> fluid-based dynamic scoping at the moment -- but on second thought,
>>> there's no scoping at all for function slots (all are global), is
>>> there?
>>
>> No, I don't think there is.  `let' can't operate on function slots.
>
> Not in the main emacs lisp implementation.  However, cl-macs.el provides
> an "flet" macro that does work on function slots; it uses the  "letf"
> macro which expands to include a use of unwind-protect to do  its dirty
> work.

Then we should implement that in an efficient way in Guile too.

Andy
-- 
http://wingolog.org/




  parent reply	other threads:[~2009-07-23 22:18 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-16 13:47 %nil once again Daniel Kraft
2009-07-17  7:59 ` Neil Jerram
2009-07-17  9:02   ` Daniel Kraft
2009-07-17 14:20     ` Andreas Rottmann
2009-07-19 18:28     ` Neil Jerram
2009-07-19 19:44       ` Daniel Kraft
2009-07-19 20:10         ` Neil Jerram
2009-07-20  3:33           ` Ken Raeburn
2009-07-20  8:12             ` Daniel Kraft
2009-07-20  9:15               ` Ken Raeburn
2009-07-23 22:18             ` Andy Wingo [this message]
2009-07-20 18:17 ` Clinton Ebadi
2009-07-30 21:38   ` Neil Jerram
2009-07-31  5:03     ` Daniel Kraft
2009-07-23 20:35 ` Andy Wingo
2009-07-24  6:20   ` Daniel Kraft
2009-07-30 21:50   ` Neil Jerram
2009-07-31  5:05     ` Daniel Kraft

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