Herb Sutter has been writing about this, he calls it the Non Virtual Interface (NVI) idiom. http://www.gotw.ca/publications/mill18.htm
I too believe it is a very sound idea and that it should be adopted where applicable (ie in quite a few places) /Fredrik _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost