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Showing content from http://mail.python.org/pipermail/python-dev/2000-August/008018.html below:

Fun with call/cc (was RE: [Python-Dev] Stackless Python

Fun with call/cc (was RE: [Python-Dev] Stackless Python - Pros and Cons)Eric S. Raymond esr@thyrsus.com
Mon, 7 Aug 2000 18:24:03 -0400
Tim Peters <tim_one@email.msn.com>:
> Doesn't mean call/cc sucks, but language designers *have* been avoiding it
> in vast numbers -- despite that the Scheme folks have been pushing it (&
> pushing it, & pushing it) in every real language they flee to <wink>.

Yes, we have.  I haven't participated in conspiratorial hugggermugger with
other ex-Schemers, but I suspect we'd all answer pretty much the same way.
Lots of people have been avoiding call/cc not because it sucks but but because
the whole area is very hard to think about even if you have the right set
of primitives.
 
> BTW, lest anyone get the wrong idea, I'm (mostly) in favor of it!  It can't
> possibly be sold on any grounds other than that "it works, for real Python
> programmers with real programming problems they can't solve in other ways",
> though.  Christian has been doing a wonderful (if slow-motion <wink>) job of
> building that critical base of real-life users.

And it's now Christian's job to do the next stop, supplying up-to-date
documentation on his patch and proposal as a PEP.

Suggestion: In order to satisfy the BDFL's conservative instincts, perhaps
it would be better to break the Stackless patch into two pieces -- one 
that de-stack-izes ceval, and one that implements new language features.
That way we can build a firm base for later exploration.
-- 
		<a href="http://www.tuxedo.org/~esr">Eric S. Raymond</a>

"Government is not reason, it is not eloquence, it is force; like fire, a
troublesome servant and a fearful master. Never for a moment should it be left
to irresponsible action."
	-- George Washington, in a speech of January 7, 1790



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