From: ara.t.howard@...
Date: 2006-11-30T07:30:05+09:00
Subject: Re: Need a range, but not getting it. . . .

On Thu, 30 Nov 2006, Paul Lutus wrote:

>
> Because the original example used a string, and yours uses an array, it is
> not a valid counterexample.
>
> Applying ".to_s" to a string has no effect, consequently the receiver is
> changed. Applying ".to_s" to anything other than a string makes a copy.

i wounn't quite say that.  mmap, for example, simply does some pointer tricks
to return a string.  many classes do such things.  one should assume only that
to_s returns a string representation of the object, whether or not it's a copy
is class dependant.

regards.

-a
-- 
if you want others to be happy, practice compassion.
if you want to be happy, practice compassion.  -- the dalai lama