From: Guillaume Marcais <guslist@...>
Date: 2004-02-04T08:52:43+09:00
Subject: Re: ruby and pointers

Is there a specific reason of why you want to do that?

Guillaume.

On Tue, 2004-02-03 at 15:51, Elias Athanasopoulos wrote:
> On Tue, Feb 03, 2004 at 02:42:35PM -0600, Lyle Johnson wrote:
> > Elias Athanasopoulos wrote:
> > 
> > >Suppose:
> > >
> > >pool = [1.2, 2.434, 1.132, 1.1334]
> > >foo = 0.0
> > >pool.each do |x|
> > >    foo = x     # foo changes value and actual address in mem
> > >end
> > >
> > >Can I give foo the value *only* of x but not change its
> > >actual address in memory?
> > 
> > I don't think so, because foo is a reference to a Float object, and 
> > Float objects are immutable. In contrast, if foo were a reference to 
> 
> Thanks Lyle for the quick reply. What I wanted to do was
> something I could do in C like:
> 
>     RFLOAT(foo)->value = RFLOAT(x)->value;
> 
> I thought if Ruby could do this ad hoc for Float objects.
> 
> Regards,
> -- 
> University of Athens			I bet the human brain 
> Physics Department				is a kludge --Marvin Minsky 
> 
> 	
> 	
>