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From: Andy Wingo <wingo@pobox.com>
To: Keith Wright <kwright@keithdiane.us>
Cc: guile-user@gnu.org
Subject: Re: manipulating continuations
Date: Sat, 12 Feb 2011 18:16:20 +0100	[thread overview]
Message-ID: <m3k4h59nrv.fsf@unquote.localdomain> (raw)
In-Reply-To: <201102121640.p1CGe7PM003227@fcs13.keithdiane.us> (Keith Wright's message of "Sat, 12 Feb 2011 11:40:07 -0500")

On Sat 12 Feb 2011 17:40, Keith Wright <kwright@keithdiane.us> writes:

> What is (% ...)?  What is a "partial continuation"?

% sets up a prompt. 

  http://www.gnu.org/software/guile/docs/master/guile.html/Prompts.html
  http://en.wikipedia.org/wiki/Delimited_continuation
  http://www.ccs.neu.edu/scheme/pubs/pldi93-sitaram.pdf

> Has Guile gone off into left field, never to return?

Hardly, these control operators are nearly a quarter of a century old...

> Can we continue from R5RS or R6RS?

R5RS and R6RS's continuations are not generally useful for making
abstractions that compose well together.  I would not recommend them to
anyone.

Regards,

Andy
-- 
http://wingolog.org/



  reply	other threads:[~2011-02-12 17:16 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-12 14:10 manipulating continuations Thomas Girod
2011-02-12 15:43 ` Andy Wingo
2011-02-12 16:40   ` Keith Wright
2011-02-12 17:16     ` Andy Wingo [this message]
2011-02-12 20:56       ` Thien-Thi Nguyen
2011-02-12 21:33         ` Andy Wingo
     [not found]   ` <1297887196-sup-8146@cresylol.hd.free.fr>
2011-02-17 11:08     ` Andy Wingo
  -- strict thread matches above, loose matches on Subject: below --
2011-02-12  8:35 Tomtom

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