From: "Hal E. Fulton" <hal9000@...>
Date: 2003-03-29T07:30:33+09:00
Subject: Re: Need #collect! on partial array

----- Original Message -----
From: "Gennady" <gfb@tonesoft.com>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Friday, March 28, 2003 4:23 PM
Subject: Re: Need #collect! on partial array


> It is cheating, in a way ;-). `i' holds a reference to the original
element
> and your 'upcase!' modifies it in place. You can replace 'collect!' with
> 'each' and the result will be the same, in other words 'collect!' does not
> work here at all (to be precise, it modifies an array that will be marked
> for GC immediately). As far as I understand it is not what the original
post
> meant.

Right... for example, if instead of uppercasing
some strings you were incrementing some
integers, this wouldn't work.

Hal