From: ts <decoux@...>
Date: 2002-10-22T21:38:02+09:00
Subject: Re: "class" return value

>>>>> "G" == Gavin Sinclair <gsinclair@soyabean.com.au> writes:

G> The rule appears to be that a class definition returns nil unless it includes a
G> mixin.  Is this true, and if so, why?

 Well, in 1.6.7 `class' is a void expression, for example

pigeon% ruby -e 'a = class A; 12; end'
-e:1: void value expression
pigeon% 

 but

pigeon% ruby -e 'a = eval "class A; 12; end"; p a'
12
pigeon% 

 The class definition return the value of the last expression, `def' return
 nil, `include' return the class

Guy Decoux