From: Mohammad Khan <mkhan@...>
Date: 2005-01-20T02:14:59+09:00
Subject: Re: value by reference

On Wed, 2005-01-19 at 12:01, Florian Gross wrote:
> Mohammad Khan wrote:
> 
> > do_something(a, b, c)							# change a, b, c like other objects
> 
> Let me give an example:
> 
> x, y, z = 1, 2, 3
> do_something(x, y, z) # completely equivalent to
> do_something(1, 2, 3)
> 
> do_something() does not get variables. It gets the values the variables 
> refer to. (It gets the objects the variables are names for.)

I understand that.
But what about scenario 2?
Scenario 2 is not acting as scenario 1, is it because scenario 2 gets
object rather than variable?
Or, Scenario 2 gets clonable object while scenario 1 not?
Thanks, Florian.

--
Mohammad


> 
> Therefore it can not change the variables, they are nothing physical.
> 
> variable.rb lets you turn variables *themselves* into Objects that can 
> be passed to methods.