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Re: [PATCH] zed fails with setopt nounset unless option -x is given

X-seq: zsh-workers 50265
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Re: [PATCH] zed fails with setopt nounset unless option -x is given
Date: Fri, 20 May 2022 08:00:17 -0700
Archived-at: <https://zsh.org/workers/50265>
In-reply-to: <641523655.251203.1653056242563@mail2.virginmedia.com>
List-id: <zsh-workers.zsh.org>
References: <CAA-Ti-jiCVGAGF6XMi2axwcwkkHrCGzyvh9Biaf-d=qT443pLg@mail.gmail.com> <641523655.251203.1653056242563@mail2.virginmedia.com>

On Fri, May 20, 2022 at 7:18 AM Peter Stephenson
<p.w.stephenson@xxxxxxxxxxxx> wrote:
>
> Looks straightforward.
>
> +if [[ $+opts[-x] == 1 && $opts[-x] == <-> ]]; then

This actually points out a potential issue with nounset in general:
There's no way to pre-declare an associative array key (or even a
normal array element) to prevent this from happening, the way one can
use typeset to declare a scalar.

References:
- [PATCH] zed fails with setopt nounset unless option -x is given
  - From: Risto Laitinen
- Re: [PATCH] zed fails with setopt nounset unless option -x is given
  - From: Peter Stephenson

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