From: David Alan Black <dblack@...>
Date: 2001-01-31T23:23:04+09:00
Subject: [ruby-talk:10169] Re: ArrayMixin 0.2

Hi --

On Wed, 31 Jan 2001, Mathieu Bouchard wrote:

> 
> On Wed, 31 Jan 2001, David Alan Black wrote:
> > On Wed, 31 Jan 2001, Mathieu Bouchard wrote:
> > > Second "release" of ArrayMixin 0.2, a future equivalent to Perl's TIEARRAY
> > > system.
> > Can anyone help me out with an example or problem where Ruby (as it
> > currently is) does not already allow us to do what we might do with
> > Perl tie, with about the same amount of work?  (Perl: define STORE,
> > Ruby: (re)define #[]=, etc.)  I seem to be absolutely unable to see
> > it.
> 
> In Perl you don't need to redefine the array slice. You don't need to
> implement the complete semantics of what appears to be a store. When you
> do:
> 
> 	$blah[1] = 2
> 
> what is being done is really:
> 
> 	tied(@blah)->STORE(1,2)
> 	tied(@blah)->FETCH(1)

[etc.]

Thanks for your explanation and examples.  They helped a lot.
Looking forward to further news of ArrayMixin :-)


David

-- 
David Alan Black
home: dblack@candle.superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav