From: Lyle Johnson <lyle@...>
Date: 2002-11-20T12:31:34+09:00
Subject: Re: Defining <=>

Tim Hunter wrote:

> I need to define <=> in a class. What is the appropriate thing to do when
> the "other" argument is not an object in the class? For example, comparing
> myObject <=> nil, which actually happens in the debugger. Should I just
> send it to the superclass?

If you can somehow coerce the other argument into the receiver's class, 
that would work. Otherwise, I think most or all of the built-in classes 
just raise a TypeError exception.