Newsgroups: comp.lang.scheme
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!snorkelwacker.mit.edu!bloom-beacon!dont-send-mail-to-path-lines
From: jeff@aiai.edinburgh.ac.UK (Jeff Dalton)
Subject: Benchmarking Scheme
Message-ID: <13905.9105041734@subnode.aiai.ed.ac.uk>
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Date: 4 May 91 17:34:02 GMT
Lines: 14

> Date: 3 May 91 20:23:21 GMT
> From: "Guillermo J. Rozas" <jinx@zurich.ai.mit.edu>

> How do you know that QUOTIENT or FORMAT (for example) may not error,
> thereby calling the condition system which may use
> CALL-WITH-CURRENT-CONTINUATION to construct a condition object to be
> used if the computation is going to be continued?
> 
> I think that it is almost impossible to know.  Because of this,
> essentially any potentially assigned variables must be on the heap so
> that invoking a continuation multiple times will not un-do side effects.

If so, this looks like a very strong argument against having full
continuations.