From: Qian Jigui <qianjigui@...>
Date: 2008-11-20T22:36:40+09:00
Subject: Re: How the Ruby's super work in finding method?

Thanks for your help.
Now I know more about the module, super, class and the method finding.
The <RFR> doesn't describe detail.

Yossef Mendelssohn wrote:
> On Nov 19, 9:23�pm, Qian Jigui <qianji...@gmail.com> wrote: 
> First of all, you can't define a method more than once. That is,
> defining it a second time overwrites any previous definition, so if
> you're expecting to see B, C, or D report 1, that's not going to
> happen.
> 
> Second, once a module is part of the ancestor chain, re-including it
> doesn't do anything. You have B by itself, then C inherits from B, so
> the lookup chain is
> 
> C -> B
> 
> Then C includes M
> 
> C -> M -> B
> 
> Then D inherits from C
> 
> D -> C -> M -> B
> 
> Then D includes M, but M is already present as an ancestor
> 
> D -> C -> M -> B
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