From: Hugh Sasse <hgs@...>
Date: 2006-10-28T03:44:35+09:00
Subject: Re: classless methods

On Sat, 28 Oct 2006, matt neuburg wrote:

> Jason Merrill <jason.merrill@yale.edu> wrote:
> 
> > And since Object is an ancestor of pretty much everything in ruby,
> > it's interesting to note that these methods are now defined for
> > practically everything in ruby:
> > 
> > irb(main):001:0> def say_hello
> > irb(main):002:1> "Hello"
> > irb(main):003:1> end
> > => nil
> > irb(main):004:0> say_hello
> > => "Hello"
> > irb(main):005:0> [1,3,5].say_hello
> > => "Hello"
> 
> But that's just a vagary of how irb works. You couldn't do that in a
> real script. m.

Why not?  say_hello is now a method of Object, an ancestor of [1,3,5].
Challenge:  show us what the error is when it fails. :-)

        Hugh