From ... Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!newsfeeds.belnet.be!news.belnet.be!news2.kpn.net!news.kpn.net!nslave.kpnqwest.net!nloc2.kpnqwest.net!nloc.kpnqwest.net!nmaster.kpnqwest.net!nreader2.kpnqwest.net.POSTED!not-for-mail Newsgroups: comp.lang.lisp Subject: Re: data hygiene [Re: Why is Scheme not a Lisp?] References: <87u1rkl068.fsf@charter.net> <87wuwg1b05.fsf@photino.sid.rice.edu> <87ofhrc3ed.fsf@charter.net> <874rjj1ve1.fsf@photino.sid.rice.edu> <87it7yz2sf.fsf@photino.sid.rice.edu> <87d6y5heq2.fsf@becket.becket.net> <87elilwsnx.fsf@photino.sid.rice.edu> <87u1rfn07o.fsf@becket.becket.net> <87k7sbtzp5.fsf@photino.sid.rice.edu> <871yej1v0h.fsf@becket.becket.net> <87y9grsf <3C99E6F8.BDA7534B@cfmu.eurocontrol.be> <3C9A02FE.725F7F6E@motorola.com> Mail-Copies-To: never From: Erik Naggum Message-ID: <3225739210766179@naggum.net> Organization: Naggum Software, Oslo, Norway Lines: 19 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.1 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 21 Mar 2002 22:39:57 GMT X-Complaints-To: newsmaster@KPNQwest.no X-Trace: nreader2.kpnqwest.net 1016750397 193.71.199.50 (Thu, 21 Mar 2002 23:39:57 MET) NNTP-Posting-Date: Thu, 21 Mar 2002 23:39:57 MET Xref: archiver1.google.com comp.lang.lisp:29778 * Paul Dietz | The point you are missing is that the car (and caar) you load for the | alist are not for the current cell, but for previous cells. There's no | dependency between this iteration's cdr, car, and caar. You can delay | the car and caar because they're not on the critical path. Who do you think you are kidding? | In contrast, there *is* a dependency between the cdr and the cddr for the | plist, and this dependency cannot be gotten rid of. But that is just like the dependency between the car and the caar! Please work this out for plists, too. You _will_ be suprrised. /// -- In a fight against something, the fight has value, victory has none. In a fight for something, the fight is a loss, victory merely relief.