From: Sven Wischnowsky <wischnow@informatik.hu-berlin.de>
To: zsh-workers@sunsite.auc.dk
Subject: Re: Magic associative arrays (and more)
Date: Mon, 1 Mar 1999 13:32:15 +0100 (MET) [thread overview]
Message-ID: <199903011232.NAA14510@beta.informatik.hu-berlin.de> (raw)
In-Reply-To: "Bart Schaefer"'s message of Sun, 21 Feb 1999 05:10:06 -0800
Bart Schaefer wrote:
> There are a whole lot of fun things we could do with special associative
> array paramters. Examples:
>
> An AA named "functions" that looks up values in the shell function hash
> table. `functions foo` would be the same as `print $functions[foo]`. The
> "functions" AA could be read-only, but perhaps it would be fun to be able
> to edit the function with `noglob vared functions[foo]`?
Looking at some of the completion example function makes this look
interesting, too, e.g.:
- being able to test for the existance of a function with
`${+functions[foo]}' would allow us to conditionally call the
`_match_*' functions
- having `$commands[foo]' give the path of `foo' would allow us to
remove the `$(whence -p ...)' in `_normal'
- with `${(k)parameters}' we could get rid of that horrible
expression in `_brace_params' (is there really no easier way
currently?)
Bye
Sven
--
Sven Wischnowsky wischnow@informatik.hu-berlin.de
reply other threads:[~1999-03-01 12:33 UTC|newest]
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