From: ptkwt@...1.aracnet.com (Phil Tomson)
Date: 2001-12-01T04:37:23+09:00
Subject: [ruby-talk:27114] Re: thoughts on virtual base classes, interfaces

In article <20011130.221455.889023311.1860@zipworld.com.au>,
Harry Ohlsen <harryo@zipworld.com.au> wrote:
>In article <QXGN7.687171$Lg.26740252@sjcpnn01.usenetserver.com>, "Phil
>Tomson" <ptkwt@shell1.aracnet.com> wrote:
>
>> I could have a 'run' method in runnable that, if not overidden in the
>> class Runnable is mixed-into, raises an exception.
>
>Isn't that redundant, though, since it won't throw the exception unless
>you call run() and if you called it and the class that was supposed to
>implement it doesn't,  then  you'd get an exception, anyway?
>
>Or am I missing something?

I guess my point is that either way you've got to document it.  Just 
relying on the exception being raised by Runnable#run is probably not 
adequate documentation.

Phil