From: "David A. Black" <dblack@...>
Date: 2009-09-26T00:29:23+09:00
Subject: Re: Roulette & rand

Hi --

On Fri, 25 Sep 2009, Aldric Giacomoni wrote:

> Symbols are a good habit to get into because they always represent a
> unique object, the symbol, while strings always create a new object.

That's true, but your example:

> irb(main):009:0> 0.object_id
> => 1
> irb(main):010:0> 0.object_id
> => 1
> irb(main):011:0> "0".object_id
> => 21396750
> irb(main):012:0> "0".object_id
> => 21393440

doesn't demonstrate it; you don't have any symbols :-)

irb(main):001:0> :x.object_id
=> 158738
irb(main):002:0> :x.object_id
=> 158738


David

-- 
David A. Black, Director
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Book: The Well-Grounded Rubyist (http://www.manning.com/black2)