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Date: Sun, 6 Oct 2002 08:24:51 -0400
From: Hans Dieter Pearcey <hdp@pobox.com>
To: Zsh workers <zsh-workers@sunsite.dk>
Subject: Re: db module
Message-ID: <20021006122451.GV24160@malachi.theoscape.net>
References: <E17w1iC-00012d-00@bimbo.logica.co.uk> <20021006053229.GA14350@dman.com>
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On Sun, Oct 06, 2002 at 01:32:29AM -0400, Clint Adams wrote:
> > typeset -A things -S db -f /tmp/newdb
> > typeset string -S mapfile -f /tmp/file
> 
> Someone suggested tying assocs to functions, so we could add something
> like
> 
> f() { print $(( $1 * 2 )) }
> typeset -A twice -S function -f f
> print $f[2]
> 
> I'm not sure that there are any useful applications for this though.

As demonstrated above, I can't see how it's any better than calling f()
directly.  However, if the function got an extra argument when an element was
assigned to, it could be pretty neat, e.g.:

f() { [ "$2" ] && echo $2 > $1; cat $1 }

hdp.