I've always disliked methods that don't return anything.  I like 
Smalltalk's default of returning self.  It allows for chaining messages 
nicely.  Something I find inconvenient in Java with its preponderance 
of void methods.

On Tuesday, May 20, 2003, at 01:04  PM, Anthony Hannan wrote:

> In Squid, selectors will be more than just symbols.  I'm considering
> adding an attribute to Selector to indicate whether it returns a value
> or not.  All subclass/polymorphic methods would have conform to this,
> and all senders would not be allowed to get the value of a
> "procedure-only" selector.  This will speed up returns a little since
> only "function" methods will have to return something.
>
> Cheers,
> Anthony
>