From: Farrel Lifson <farrel.lifson@...>
Date: 2008-08-18T19:29:34+09:00
Subject: Re: The symbol dilemma...

2008/8/18 Mayuresh Kathe <kathe.mayuresh@gmail.com>:
> The statement, "because two distinct Symbol objects will never have
> the same content" seems unclear to me.
>
> Can't I do the following?
> books = {
>  :excellent => "Iacocca",
>  :good => "Freakonomics",
>  :bad => "The World is Flat",
>  :ugly => "Guns, Germs and Steel",
>  :sick => "Guns, Germs and Steel"
> }
>
> In that case, won't two distinct Symbol objects, i.e. :ugly, and :sick
> have the same content?
>
> I'm sure there's something wrong in the way I'm understanding this,
> could someone please elaborate?

The symbols themselvs (:ugly and :sick) will always be distinct, not
the strings they act as keys for in the hash.

Farrel
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