From: Chad Perrin <perrin@...>
Date: 2006-08-03T02:07:46+09:00
Subject: Re: I thought this was the one that worked?

On Thu, Aug 03, 2006 at 01:11:35AM +0900, Jacob Fugal wrote:
> 
> self is not just a memory address (well, not any more than any other
> object reference). You're seeing the memory address because that's the
> default #inspect output for an object, but it's not really relevant
> here. self is an object reference just like any other variable would
> be. Let's replace the contents of the evals with a method call
> instead:
> 
>  # using the same definition of Foo as referenced earlier
>  foo1, foo2 = Foo.new, Foo.new
>  foo1.object_id # => 1742734
>  foo2.object_id # => 1742684
> 
>  blk1, blk2 = foo1.bar, foo2.bar
>  eval "object_id", blk1 # => 1742734
>  eval "object_id", blk2 # => 1742684
> 
> I also captured the Foo objects themselves so we can see that the
> object_id method call is being sent to the foo object rather than the
> block itself.

Are we sure, though, that we're not just looking at a number (associated
with that instance) that's stored in a hash table external to the
object?

-- 
CCD CopyWrite Chad Perrin [ http://ccd.apotheon.org ]
unix virus: If you're using a unixlike OS, please forward
this to 20 others and erase your system partition.