From: ara.t.howard@...
Date: 2006-11-08T13:50:40+09:00
Subject: Re: Can't bind a singleton method to a subclass?

On Wed, 8 Nov 2006 dblack@wobblini.net wrote:

>> yes.  put another way, and something i was be-moaning several years ago, is
>> this:
>> 
>>    harp:~ > cat a.rb
>>    class A
>>      SINGLETON_CLASS = class << self
>>        self
>>      end
>>    end
>>    class B < A
>>      SINGLETON_CLASS = class << self
>>        self
>>      end
>>    end
>> 
>>    p B::SINGLETON_CLASS.ancestors
>> 
>>    harp:~ > ruby a.rb
>>    [Class, Module, Object, Kernel]
>> 
>> singleton classes should respect inheritence.
>
> I'm not sure what you mean here.  Is it that ancestors doesn't show
> singleton classes?

i meant that B's singleton class should inherit from A's singleton class - the
fact that it does not leads to all sorts of suprising behaviour...


-a
-- 
my religion is very simple.  my religion is kindness. -- the dalai lama