From: Tim Hunter <cyclists@...>
Date: 2002-11-20T09:31:15+09:00
Subject: Defining <=>

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?