From: "David A. Black" <dblack@...>
Date: 2010-01-20T10:26:09+09:00
Subject: Re: Looking for object.inherits?(Classname)

Hi --

On Wed, 20 Jan 2010, Xeno Campanoli wrote:

> I'm looking for a way to make sure an object being passed is in some class 
> family, or to say it otherwise, inherits some specific class, but not 
> necessarily directly.  In fact, it could be a great-great-grandparent class, 
> and that would be okay, and needs to be okay.  Is there something where I can 
> take an object and go
>
> unless object.inherits?(MyClass)
> 	raise SyntaxError, "etc."
> end
>
>
> ?????
>
> Sorry, but could not find this in my pickaxe book.

object.is_a?(MyClass)

or

object.kind_of?(MyClass)

(same method, two different names).


David

-- 
David A. Black
Senior Developer, Cyrus Innovation Inc.
THE COMPLEAT RUBYIST, Ruby training with Black/Brown/McAnally!
January 22-23, Tampa, Florida
Info and registration at http://www.thecompleatrubyist.com