From: Tim Hunter <rmagick@...>
Date: 2007-01-15T23:04:27+09:00
Subject: Re: Array#modified

Juozas Gaigalas wrote:
> I'm looking for a simple and short solution/library that does this:
(snip)
> ----OUTPUT----
> Array a changed
> x
> Array a changed
> y

Check out the Observable class in the standard library.

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