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Re: BUG: Assigning a string to an array via a reference fails to change its type

X-seq: zsh-workers 53780
From: Mikael Magnusson <mikachu@xxxxxxxxx>
To: Philippe Altherr <philippe.altherr@xxxxxxxxx>
Cc: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Re: BUG: Assigning a string to an array via a reference fails to change its type
Date: Fri, 13 Jun 2025 13:31:07 +0200
Archived-at: <https://zsh.org/workers/53780>
In-reply-to: <CAGdYchvQ_vdN74r6SSYsUehgLpcf2+N4Bzh0AvGX3v-780stsA@mail.gmail.com>
List-id: <zsh-workers.zsh.org>
References: <CAGdYchvQ_vdN74r6SSYsUehgLpcf2+N4Bzh0AvGX3v-780stsA@mail.gmail.com>

On Fri, Jun 13, 2025 at 3:28 AM Philippe Altherr
<philippe.altherr@xxxxxxxxx> wrote:
>
> When a string is assigned to an array variable, the variable becomes a string variable initialized with that string. When the same is done via a reference, the content of the array is replaced with the string and a debug message is emitted (when debugging is enabled).
>
> typeset -a arr=(aa bb cc)
> typeset -n ref=arr
> ref=foo
> typeset -p ref arr
> Output:
> 3: params.c:1068: BUG: local parameter is not unset
> typeset -n ref=arr
> typeset -a arr=( foo )
>
> I haven't tried to understand what/where the problem was. Neither Bart's patch to disallow array initializers nor my patch to change PM_TYPE help.
>
> Philippe
>

I reported this in zw/53751 already.

-- 
Mikael Magnusson

Follow-Ups:
- Re: BUG: Assigning a string to an array via a reference fails to change its type
  - From: Philippe Altherr

References:
- BUG: Assigning a string to an array via a reference fails to change its type
  - From: Philippe Altherr

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