From: ruby-talk@...
Date: 2002-04-11T03:11:10+09:00
Subject: Re: mix-in dependancy

Paul Brannan <paul@atdesk.com> writes:

> On Wed, Apr 10, 2002 at 10:36:52AM +0900, Yohanes Santoso wrote:
> > What I want is for the including to fail if A does not have #<=>. Is
> > there a built-in mechanism to detect this or should I do this
> > manually:
> 
> I know of no built-in mechanism.  However, RubyTreasures has something
> for this:
> 
>   http://rm-f.net/~cout/ruby/treasures/RubyTreasures-0.3/lib/hacks/safe_mixin.rb.html

Just curious, where do you guys find useful URLs like above? Thanks
for the pointer!

YS.