Derivation guideline

From: Julie (
Date: 03/30/04

Date: Mon, 29 Mar 2004 19:43:26 -0800

Would the following be considered and acceptable guideline:

(In the absence of documentation)

 - if a class definition has virtual method(s), it is intended or suitable for

 - if a class definition doesn't have virtual methods, it should *not* be
derived from

Comments, references?