From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Helmut Eller <eller.helmut@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: emacs lisp syntax rfc: (cond (EXPR => (lambda (X) ...)))
Date: Thu, 06 Jan 2011 22:49:24 -0500 [thread overview]
Message-ID: <jwv4o9l4bph.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <m28vyy4ez4.fsf@gmail.com> (Helmut Eller's message of "Thu, 06 Jan 2011 09:24:15 +0100")
>> and have exp1 only evaluated the first time var is used. But we don't
>> want to add laziness, do we?
> Can't you add those exotic cases to pcase? Or perhaps add a pcond and a
> plet. Please keep cond as it is.
Right now, there's no plan whatsoever.
Any addition to the basic special forms will need to be very well
argumented (and come with a patch that handles all the relevant cases,
including byte-compiler).
Addition of a new macro OTOH is very straightforward, so I'd expect any
such change to take the form of a new macro.
Stefan
next prev parent reply other threads:[~2011-01-07 3:49 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-02 21:45 emacs lisp syntax rfc: (cond (EXPR => (lambda (X) ...))) Thien-Thi Nguyen
2011-01-02 21:57 ` Fren Zeee
2011-01-02 22:52 ` Harald Hanche-Olsen
2011-01-04 16:41 ` Thien-Thi Nguyen
2011-01-04 17:56 ` Harald Hanche-Olsen
2011-01-04 18:39 ` Thien-Thi Nguyen
2011-01-03 2:19 ` Stefan Monnier
2011-01-04 17:00 ` Thien-Thi Nguyen
2011-01-03 16:15 ` Richard Stallman
2011-01-04 18:12 ` Thien-Thi Nguyen
2011-01-05 1:55 ` Stephen J. Turnbull
2011-01-05 3:21 ` Thien-Thi Nguyen
2011-01-05 4:16 ` Stephen J. Turnbull
2011-01-05 5:15 ` Miles Bader
2011-01-05 21:29 ` Stefan Monnier
2011-01-05 22:40 ` Harald Hanche-Olsen
2011-01-06 0:10 ` Stefan Monnier
2011-01-06 8:24 ` Helmut Eller
2011-01-07 3:49 ` Stefan Monnier [this message]
2011-01-06 18:43 ` Richard Stallman
2011-01-05 23:36 ` Richard Stallman
2011-01-11 17:20 ` Andy Wingo
2011-01-05 5:17 ` Miles Bader
-- strict thread matches above, loose matches on Subject: below --
2011-01-03 5:37 MON KEY
2011-01-04 17:20 ` Thien-Thi Nguyen
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