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Re: array prepend

X-seq: zsh-workers 30968
From: Greg Klanderman <gak@xxxxxxxxxxxxxx>
To: zsh-workers@xxxxxxx
Subject: Re: array prepend
Date: Mon, 14 Jan 2013 13:36:25 -0500
In-reply-to: <130113175023.ZM5855@torch.brasslantern.com> (Bart Schaefer's message of "Sun, 13 Jan 2013 17:50:23 -0800")
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Reply-to: gak@xxxxxxxxxxxxxx

>>>>> On January 13, 2013 Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:

> What about a special case for empty brackets?  VAR[] is not currently
> a valid identifier even though e.g. VAR[*] is.

>  	VAR[]=(this is prepended)

So that's the same as VAR[1,0]=(...) ?  It doesn't really "look" very
much like prepend to me.

>  	VAR[]+=(this is appended)
>  	VAR+=(short for 'VAR[]+=')

Does VAR+=($x) differ at all from VAR+=$x if VAR is an array?

I was thinking of maybe '++=' for prepend, the double '+' weighting
towards the front.

Greg

Follow-Ups:
- Re: array prepend
  - From: Bart Schaefer

References:
- Re: array prepend
  - From: Bart Schaefer

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