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From: Bart Schaefer <schaefer@brasslantern.com>
To: Jun T <takimoto-j@kba.biglobe.ne.jp>
Cc: zsh-workers@zsh.org
Subject: Re: a few question about named reference
Date: Sun, 16 Jul 2023 10:15:22 -0700	[thread overview]
Message-ID: <CAH+w=7YUEyfKPxqWYbk4fw6O4A7qtEULBmytjsCo1i8v9eGXEA@mail.gmail.com> (raw)
In-Reply-To: <17346433-9026-4EA9-8181-6CFFCFB9BAFC@kba.biglobe.ne.jp>

On Sat, Jul 15, 2023 at 10:10 PM Jun T <takimoto-j@kba.biglobe.ne.jp> wrote:
>
> >> So we can't remove the readonly attribute (and will not be able
> >> to remove/unset it). Is this intentional?
> >
> > Yes, that's how it works in ksh.
>
> With ksh (Version AJM 93u+m/1.0.4 2022-10-22):
> $ typeset -n -r ref=i
> ksh: typeset: -n cannot be used with other options except -g

Hmm.  My previous reference was ksh88.  The ksh93 I have installed is
a bit older and doesn't have a -g option at all.  Looks like they're
borrowing stuff from zsh, now?

> But it's OK if it is intentional.

Upon reflection and for consistency with other parameter types, it
does seem like +r should be allowed.  There also aren't any test for
readonly namerefs, I should add a couple.


      reply	other threads:[~2023-07-16 17:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-13  4:05 Jun T
2023-07-13  6:12 ` Bart Schaefer
2023-07-16  5:09   ` Jun T
2023-07-16 17:15     ` Bart Schaefer [this message]

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