From: "David A. Black" <dblack@...>
Date: 2005-09-13T21:47:58+09:00
Subject: Re: confused by nested functions

Hi --

On Tue, 13 Sep 2005, Devin Mullins wrote:

> Blrgh! Thanks, Mark & David. I have been schooled.
>
>> My interpretation is that only
>> methods whose definitions start in the outermost scope are made into
>> private methods of Object.
>
> Indeed, that's my impression now, too. I also know now that the magical 
> top-level Object does not have a singleton class:
>
>> a = ""
>> class << a; def foo; def y; puts 'yo'; end end end
>> a.foo
>> a.y
>> "hello".y
>> __END__
>> yo
>> -:5: undefined method `y' for "hello":String (NoMethodError)
>
> or, well, act like it.

You're not accessing the top-level object's singleton class there,
though.  What you'd want would be:

   $ ruby -e 'class << self; def x; p 1; end; end; x'
   1


David

-- 
David A. Black
dblack@wobblini.net