> I was just coming round to has-a. > Didn't you (ian) say is-a would barf with multiple inheritance ? Multiple inherietance (implementation-wise) equals danger. Lets stay out of there ;) > > What are the pros and cons ? > -- > > > _______________________________________________ > Dynamite mailing list - Dynamite@bioperl.org > http://www.bioperl.org/mailman/listinfo/dynamite >