From: Sven Wischnowsky <wischnow@informatik.hu-berlin.de>
To: zsh-workers@sunsite.auc.dk
Subject: Re: Singleton arrays treated as scalars
Date: Fri, 16 Apr 1999 09:38:57 +0200 (MET DST) [thread overview]
Message-ID: <199904160738.JAA16057@beta.informatik.hu-berlin.de> (raw)
In-Reply-To: "Bart Schaefer"'s message of Fri, 16 Apr 1999 00:18:36 -0700
Bart Schaefer wrote:
> I tried this again and got much better results for two-or-more element
> arrays, but singleton arrays were still getting subscripted as scalars.
> Investigation led me to this fragment of paramsubst():
>
> if (isarr > 0 && !plan9 && (!aval || !aval[0])) {
> val = dupstring("");
> isarr = 0;
> } else if (isarr && aval && aval[0] && !aval[1]) {
> val = aval[0];
> isarr = 0;
> }
>
> Well, look at that. If we have a singleton array, make it into a scalar.
> This doesn't have anything to do with multsub() at all!
>
> Does anybody remember why this code is here? What part of the world is
> going to come crashing down if that "else if" clause gets deleted?
When buildin the patch I just sent, I stumbled over this, too. And no,
I have no idea whence this came or what would happen, if...
Bye
Sven
--
Sven Wischnowsky wischnow@informatik.hu-berlin.de
next reply other threads:[~1999-04-16 7:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-04-16 7:38 Sven Wischnowsky [this message]
-- strict thread matches above, loose matches on Subject: below --
1999-04-16 7:18 Bart Schaefer
1999-04-16 7:52 ` Geoff Wing
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