Path: utzoo!mnetor!uunet!husc6!cmcl2!brl-adm!umd5!ames!ucbcad!ucbvax!BCO-MULTICS.ARPA!Esler
From: Esler@BCO-MULTICS.ARPA
Newsgroups: comp.lang.scheme
Subject: "box" data type in Chez Scheme.
Message-ID: <871217194738.501942@BCO-MULTICS.ARPA>
Date: 17 Dec 87 19:47:00 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 7

I was looking through the code for a small operating system, posted by
Chris Haynes recently.  I found the functions "box", "set-box!", and
"swap-box!" used as primitives.  Could someone familiar with Chez Scheme
explain what these do ?  Equivalent functions written in standard (R^3)
Scheme would be helpful.

Kevin Esler, Honeywell Bull Inc, Billerica, MA.