In article <1039993469.392945.14311.nullmailer / picachu.netlab.jp>,
  matz / ruby-lang.org (Yukihiro Matsumoto) writes:

> |Returning self is hardly intuitive when it is an assignment method.
> 
> Done.  Thank you for the suggestion.

If an assignment method which doesn't return an argument is not
intuitive, why don't ruby force it?
-- 
Tanaka Akira