From: Alex Young <alex@...>
Date: 2006-05-21T21:52:56+09:00
Subject: Re: Ruby namespaces and require

transfire@gmail.com wrote:
> Austin may be right that there are too many problems with doing this
> effectively as a standard. But I'm not yet sure of that. All I have
> seen for sure is the problem of core extensions, which like I said can
> be resolved using a prefix '::'.
That does feel clumsy.  It's a simple fix, I know, but it's still clumsy.

> Of course one should be careful not to
> reference things in the absolute but rather in the relative. For
> instance, never do:
> 
>   class X
>     def X.foo
> 
> but always
> 
>   class X
>     def self.foo
Why?

irb(main):001:0> class X; end
=> nil
irb(main):002:0> module Y; class X; def X.foo; end; end; end
=> nil
irb(main):003:0> Y::X.methods - X.methods
=> ["foo"]

-- 
Alex