From: ebeard <ecbearden@...>
Date: 2006-10-06T03:35:06+09:00
Subject: Re: Better ruby way for caseing on class?

I'm actually dealing with classes.  not instances thereof.


Gavin Kistner wrote:
> From: James Edward Gray II [mailto:james@grayproductions.net]
> > Sure.  Drop the call to to_s() and the ' .. 's around the class
> > names.  Case calls ===() for the condition object and Class defines
> > ===() to do what you expect here.
>
> Er...not quite, because (in his example) he has class objects, not
> instances.
>
> [Kernel,String,Object].each do |klass|
> case klass
>   when Kernel
>     puts "I'm doing stuff with object Kernel"
>   when String
>     puts "I'm doing stuff with object String"
>   when Object
>     puts "I'm doing stuff with object Object"
>   end
> end
> #=> I'm doing stuff with object Kernel
> #=> I'm doing stuff with object Kernel
> #=> I'm doing stuff with object Kernel
>
>
> ebeard, in reality are you trying to handle class objects in your case
> statement, or do you have instances of that class that you're trying to
> determine the class of?