From: dblack@...
Date: 2007-06-07T05:26:11+09:00
Subject: Re: === operator

Hi --

On Thu, 7 Jun 2007, Jon Leighton wrote:

> Hi,
>
>>> {} === Hash
> => false
>>> case {}
>>> when Hash then true
>>> end
> => true
>>> Hash === {}
> => true
>
> Why is the first statement false when the second is true? I understand
> case uses === to compare the objects? Perhaps it switches them round as
> in the last statement?

Yes; === is called on the when expression(s), with the case object as
argument.


David

-- 
Q. What is THE Ruby book for Rails developers?
A. RUBY FOR RAILS by David A. Black (http://www.manning.com/black)
    (See what readers are saying!  http://www.rubypal.com/r4rrevs.pdf)
Q. Where can I get Ruby/Rails on-site training, consulting, coaching?
A. Ruby Power and Light, LLC (http://www.rubypal.com)