Hi,

In message "[ruby-talk:02772] Re: More code browsing questions"
    on 00/05/11, Albert Wagner <alwagner / tcac.net> writes:

|Thanks again, Dave. I understand your example, but not the following
|code from ext/tk/lib/tkafter.rb:
|:
|require 'tk'
|
|class TkAfter
|  include TkCore
|  extend TkCore

'include' adds features (methods) to instances of the class TkAfter.
'extend' add features to class TkAfter itself.

|(Am I hopelessly ignorant?)

No.  It's kinda complex.  Ruby is simple in appearance, but is very
complex inside, just like our human body.

							matz.