From: daz <dooby@...10.karoo.co.uk>
Date: 2005-11-10T05:42:13+09:00
Subject: Re: to which object does the global scope belong?


Daniel Sch�le wrote:
>
> irb(main):004:0* def foobar;"foobar";end
> [...]
> I was wondering in what object scope is the function foobar
> defined?
> I supposed it would be in
>
> irb(main):037:0> Kernel.singleton_methods.grep /foo/
> => []
> irb(main):038:0> Object.singleton_methods.grep /foo/
> => []
> irb(main):039:0>
>


It's defined as a private method of the Kernel module.
When mixed-in to class Object, it is an instance method.
Then it's (almost) everywhere.


def foobar;"foobar";end

p Kernel.private_methods.grep(/foo/)                  # ["foobar"]
p Kernel.private_instance_methods(false).grep(/foo/)  # []
#   (Modules don't have instances)

p Object.private_methods.grep(/foo/)                  # ["foobar"]
p Object.private_instance_methods(false).grep(/foo/)  # ["foobar"]


daz