From: "David A. Black" <dblack@...>
Date: 2008-04-29T20:18:28+09:00
Subject: Re: References in Ruby

Hi --

On Tue, 29 Apr 2008, Marcin Tyman wrote:

> Hi guys,
>
> I was quite a bit confused when write following code:
>
> a = 10
> b = a
> a = 50
>
> puts b   # -> puts 10
>
> Why?? Since everything is a reference in Ruby I expected "puts 50".

When you assign to a variable, you are reusing the identifer (a, in
this case). Any previous binding between the identifier and a value is
discarded.


David

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