Xref: utzoo comp.lang.lisp:2036 comp.lang.scheme:777 Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!boulder!unicads!les From: les@unicads.UUCP (Les Milash) Newsgroups: comp.lang.lisp,comp.lang.scheme Subject: Re: "Scheme has data types and Lisp doesn't." Message-ID: <598@unicads.UUCP> Date: 15 Aug 89 21:27:10 GMT References: <9085@thorin.cs.unc.edu> <13046@well.UUCP> <711@skye.ed.ac.uk> <13120@well.UUCP> Reply-To: les@unicads.UUCP (Les Milash) Followup-To: comp.lang.lisp Lines: 5 as regards having compiled code go faster, (this brash young hothead) thinks that what scheme has is LEXICAL SCOPING (i think this allows you to generate the addressing sequence for a free variable at lambda-expr-eval-time (i was gonna say "compile-time") and sometimes avoid run-time-type-ck cause you can do the type-ck at "compile-time")