Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!hp4nl!phigate!prle!prles2!cstw56!roosen From: roosen@cstw56.prl.philips.nl (Monique Roosen) Newsgroups: comp.lang.eiffel Subject: Extension of STRING class Message-ID: <1713@prles2.prl.philips.nl> Date: 6 Jun 90 12:44:13 GMT References: <1990May25.000500.7492@asterix.drev.dnd.ca> <120019@gore.com> Sender: news@prles2.prl.philips.nl Reply-To: roosen@cst.philips.nl (Monique Roosen) Organization: Centre for Software Technology, Philips Eindhoven Lines: 13 Is there anybody out there in Eiffel-land who knows how to extend the Eiffel STRING class with a feature for example , Tail(s:String_ext):String_ext to class STRING_EXT and still have the possibility for an assignment like n:STRING_EXT ; n := "TEST". I always receive a message like "STRING is not a descendant class of STRING_EXT". Thanks in advance. Monique