Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!decwrl!elroy.jpl.nasa.gov!forsight!gat From: gat@robotics.Jpl.Nasa.Gov (Erann Gat) Newsgroups: comp.lang.lisp Subject: STRUCTUREP Message-ID: <753@forsight.Jpl.Nasa.Gov> Date: 10 Oct 90 00:20:44 GMT Organization: Jet Propulsion Laboratory, Pasadena, CA Lines: 4 Is there any way in Common Lisp to test if an object is a structure? There doesn't seem to be a structurep function. E.