From: tamouse mailing lists <tamouse.lists@...>
Date: 2013-05-13T04:56:12+09:00
Subject: Re: difference Module#extend_object and Module#extended

On Sun, May 12, 2013 at 9:05 AM, Love U Ruby <lists@ruby-forum.com> wrote:
> Hi,
>
> I just introduced one callback says
>
> http://www.ruby-doc.org/core-2.0/Module.html#method-i-extend_object.
>
> extend_object(obj) → obj
>
> But I am familiar with Module#extended hook. But not understood while
> `Module#extended` we have,then why `Module#extend_object`?
>
> Is there any difference between them?

They have complete different uses. #extended  is a hook run *after*
you extend an Object using #extend_object.