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Re: new match system bug?
From: |
Stefan Israelsson Tampe |
Subject: |
Re: new match system bug? |
Date: |
Sat, 4 Sep 2010 17:02:03 +0200 |
User-agent: |
KMail/1.13.5 (Linux/2.6.34-12-desktop; KDE/4.4.4; x86_64; ; ) |
On Saturday, September 04, 2010 02:44:49 pm Ludovic Courtès wrote:
> Hello!
>
> Stefan Israelsson Tampe <address@hidden> writes:
> > While eating the dogfood of the new match macro I come across a bug
> > e.g, this does not work!
> >
> > (match '(a b) ((and x (a ... b)) a))
>
> But:
>
> scheme@(guile-user)> (match '(a b) ((and x (a . b)) a))
> $1 = a
>
> According to the grammar in the manual, I don’t think literal ‘...’ can
> be used in the middle of a list; it should only be used at the end of a
> list, where it means “zero or more”:
>
> scheme@(guile-user)> (match '(a b) ((a ...) a))
> $2 = (a b)
>
> Thanks,
> Ludo’.
I Included a trailing pattern error message to match.scm in this patch.
/Stefan
match-trailing.patch
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