Thanks for your quick reply. OK, your chapter highligths the polymorpism not the inheritance.
So I will try to change the Number methods in a dedicated image... Anyway, in the book InsideSmalltalk P. 250, it explains that (I quote) I suppose the "Number" mecanism is more complex than I can expect. Yves -- View this message in context: http://forum.world.st/new-chapter-on-double-dispatch-for-new-book-tp4963645p4965516.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.
