From: Ryan Davis <ryand-ruby@...>
Date: 2011-06-02T05:34:40+09:00
Subject: Re: instance variable in pseudo-global scope


On Jun 1, 2011, at 10:01 , Chad Perrin wrote:

> As such, it seems that within your program's "global" scope (not truly
> global, but close enough for government work in most cases), the
> effective difference between variables named foo and @foo is nothing but
> one character.  Is there some technical difference that might have an
> effect on the "behavior"[0] of the code I write, as long as neither of
> them is being exported to some other running code or enclosed in a more
> restricted scope within my program?

The variable lookup code will go through different internal paths, but given your restrictions shouldn't have different behavior at all.