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${a[(i)pattern]} if a=()

X-seq: zsh-workers 24716
From: Stephane Chazelas <Stephane_Chazelas@xxxxxxxx>
To: Zsh hackers list <zsh-workers@xxxxxxxxxx>
Subject: ${a[(i)pattern]} if a=()
Date: Sun, 16 Mar 2008 14:40:38 +0000
Mail-followup-to: Zsh hackers list <zsh-workers@xxxxxxxxxx>
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Hiya,

$ zsh -f -c 'a=(b); echo ${a[(i)a]}'
2
$ zsh -f -c 'a=(); echo ${a[(i)a]}'
0

Shouldn't the above return 1?

That at leasts causes compinstall to fail on

         elt=${amenu[(i)*select*]}
	 [...]
	 amenu[$elt]="select=$select"
__ci_do_selection:91: amenu: assignment to invalid subscript range

Best regards,
Stéphane

Follow-Ups:
- Re: ${a[(i)pattern]} if a=()
  - From: Bart Schaefer

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