From: Joel VanderWerf <vjoel@...>
Date: 2006-07-13T02:22:28+09:00
Subject: Re: Determining a class's ancestor easily without instances

Wes Gamble wrote:
> Given two classes A and B, I know that I can loop through the 
> superclasses of A to determine it it's a descendant of B.
> 
> Is there a more expedient way to do this - something like "is_a?" but at 
> the class level (since is_a? is for objects)?

if A < B
   ###
end

if A <= B
   ###
end

[A, B].sort

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407