From: Charles Steinman <acharlieblue@...>
Date: 2005-08-13T04:41:11+09:00
Subject: Re: eval, attr_* like methods


Patrick Gundlach wrote:
> That's cool. Where does 'Module' come into play? What part of
>
> class Foo ; end
>
> is or is related to 'Module'? Hmm, I think I see: class is an instance
> of Class, which is a subclass of Module, right?

That's right.

>
> class Class
>    def lookup_meth(*args)
>      args.each do |arg|
>      ....
>
> should do the same?

For classes, yes. It would not work with modules, obviously.

> But why is 'def' not a method of Class? Or would
> be this too tricky to implement, so it is part of some other level of
> parsing?

It wouldn't work to make def a method, because what goes after "def"
(e.g. "my_cool_method(something, something_else)") isn't a valid object
in Ruby. You can use Module#define_method if you want something similar.