From: Rein Henrichs <reinh@...>
Date: 2010-06-11T16:55:07+09:00
Subject: Re: case when and class

On 2010-06-11 00:29:24 -0700, Rein Henrichs said:

> On 2010-06-10 23:41:05 -0700, Une B�vue said:
> 
>> I've found in case / when if the case is about a class :
>> 
>> case my_var.class
>> when String then puts my_var
>> when Array  then my_var.each {|v| puts v}
>> end
>> 
>> doesn't work i do have to use :
>> 
>> case my_var.class.to_s
>> when 'String' then puts my_var
>> when 'Array'  then my_var.each {|v| puts v}
>> end
>> 
>> why ?
>> 
>> (with ruby 1.9.x)
> 
> Because of the behavior of the Module #== operator -- which you can 
> look it up at ruby-doc.org -- you can somply do this:
> 
> case my_var
> when String then puts my_var
> when Array ...
> end

Woops, that should be Module#=== of course.
-- 
Rein Henrichs
http://puppetlabs.com
http://reinh.com