From: Florian Gross <flgr@...>
Date: 2005-02-16T01:59:56+09:00
Subject: Re: Is this old style Ruby?

Austin Ziegler wrote:

> The difference between :: and . is that :: is used to access constants
> or methods and . is used exclusively to access methods. For fun, try
> doing:
> 
>   "foo"::length

And you can not use :: for accessing methods that start with an 
uppercase letter:

irb(main):001:0> def Xing(); end; self::Xing
TypeError: main is not a class/module