From: Mark Abramov <markizko@...>
Date: 2010-06-10T23:07:48+09:00
Subject: Re: comparing objects

Benoit Daloze wrote:

> I searched a bit and concluded this:
> 
> Array methods using comparison
> - with #hash and #eql?
>     &, |, uniq(!), -
> - with #==
>     include?, (r)assoc, count, delete, (r,find_)index
> (please say me if I forgot one)
> 
> I think Array methods should never have to look at #hash and #eql? 
> methods.
> I suppose this is done for performance.
> 
> I think this should change, because:
>  - it violates POLS
>  - it can make unexpected behavior because you defined #hash and #eql? , 
> for
> objects which should not need that (when you manage objects in an Array, 
> you
> do not expect to need to think about Hash's keys).
>  - it is not consistent with other Array's methods
> 

For me it doesn't work anyway.
Unsure how to paste code here, you could see an example here: 
http://pastie.org/999353
I am still like "WTF?"

$ ruby -v
ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin9.8.0]
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