From: Ryan Davis <ryand-ruby@...>
Date: 2006-07-09T16:24:56+09:00
Subject: Re: attr_reader as a class method


On Jul 9, 2006, at 12:17 AM, Minkoo Seo wrote:

> I'd like to use attr_reader to introduce a class method. For example,
> the following is the code I've tried.
>
> irb(main):001:0> class Foo
> irb(main):002:1>   ONE = 1
> irb(main):003:1> end

The example is simply flawed. ONE is a constant and can be accessed  
from outside Foo as Foo.ONE without any extra code. attr_* don't  
provide access to constants, only instance variables (including the  
instance of a class).