From: stefan <stefan.tampe@spray.se>
To: guile-devel@gnu.org
Subject: Re: srfe records in reworked match
Date: Fri, 23 Apr 2010 09:52:42 +0200 [thread overview]
Message-ID: <201004230952.42913.stefan.tampe@spray.se> (raw)
In-Reply-To: <878w8hkxky.fsf@gnu.org>
On Wednesday 21 April 2010 10:40:29 am Ludovic Courtès wrote:
> As noted in Shinn’s match-cond-expand.scm, this record matching form is
> not ideal:
>
> ;; Annoying unhygienic record matching. Record patterns look like
> ;; ($ record fields...)
> ;; where the record name simply assumes that the same name suffixed
> ;; with a "?" is the correct predicate.
>
Entering,
scheme@(guile-user)> (macroexpand '(n? x))
(if (struct? x) (eq? (struct-vtable x) n) #f)
So, I just tok the expanded line directly instead of n?.
/Stefan
next prev parent reply other threads:[~2010-04-23 7:52 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-20 13:14 srfe records in reworked match stefan
2010-04-21 8:40 ` Ludovic Courtès
[not found] ` <07487229-BEA5-49C8-B73F-83370F028513@spray.se>
2010-04-21 11:47 ` Ludovic Courtès
2010-04-22 11:13 ` Andy Wingo
2010-04-22 12:27 ` Ludovic Courtès
2010-04-22 12:52 ` Andy Wingo
2010-04-22 12:57 ` Ludovic Courtès
2010-04-22 13:48 ` Andy Wingo
2010-04-22 17:09 ` stefan
2010-04-23 7:52 ` stefan [this message]
2010-04-23 9:23 ` Ludovic Courtès
2010-04-23 20:21 ` stefan
2010-04-28 8:40 ` Ludovic Courtès
[not found] <CCF7F725-F332-40DE-8193-65FB81ADD08C@spray.se>
2010-04-28 13:50 ` Stefan
2010-05-03 12:38 ` Ludovic Courtès
2010-05-03 13:35 ` Stefan
2010-05-03 13:51 ` Ludovic Courtès
2010-05-03 16:24 ` stefan
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