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From: George Neuner <gneuner2/@/comcast.net>
To: help-gnu-emacs@gnu.org
Subject: Re: The fundamental concept of continuations
Date: Mon, 15 Oct 2007 00:17:40 -0400	[thread overview]
Message-ID: <5cq5h3t7vk34famfl4od79vrlul32p2iss@4ax.com> (raw)
In-Reply-To: feu6r7$ccu$1@lust.ihug.co.nz

On Mon, 15 Oct 2007 11:56:39 +1300, Lawrence D'Oliveiro
<ldo@geek-central.gen.new_zealand> wrote:

>In message <see-36543E.18592809102007@lust.ihug.co.nz>, Barb Knox wrote:
>
>> Instead of function A returning to its caller, the
>> caller provides an additional argument (the "continuation") which is a
>> function B to be called by A with A's result(s).
>
>That's just a callback. I've been doing that in C code (and other
>similar-level languages) for years.

Callbacks are a form of continuation.  However, general continuations
such as those in Scheme, carry with them their execution context.
This allows them to used directly for things like user-space
threading.

George
--
for email reply remove "/" from address

  reply	other threads:[~2007-10-15  4:17 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1191906949.179197.217470@57g2000hsv.googlegroups.com>
2007-10-09  5:59 ` The fundamental concept of continuations Barb Knox
2007-10-09  6:07 ` Bakul Shah
2007-10-09  6:09 ` .
     [not found] ` <see-36543E.18592809102007@lust.ihug.co.nz>
2007-10-09  6:24   ` gnuist006
     [not found]   ` <1191911045.604596.50110@19g2000hsx.googlegroups.com>
2007-10-09 13:21     ` Joel J. Adamson
2007-10-14 22:56   ` Lawrence D'Oliveiro
2007-10-15  4:17     ` George Neuner [this message]
     [not found] ` <470b1aa6$0$79886$742ec2ed@news.sonic.net>
2007-10-09  6:33   ` gnuist006
     [not found]   ` <1191911604.169846.244430@r29g2000hsg.googlegroups.com>
2007-10-09  7:15     ` Bakul Shah
2007-10-09  7:11 ` Peter Danenberg
2007-10-09 12:05 ` Matthias Benkard
     [not found] ` <470b1b30$0$11022$4c368faf@roadrunner.com>
2007-10-09  6:34   ` gnuist006
     [not found]   ` <1191911662.983658.79540@g4g2000hsf.googlegroups.com>
2007-10-09 10:00     ` Tim Bradshaw
     [not found]     ` <1191924032.449463.13290@22g2000hsm.googlegroups.com>
2007-10-09 10:13       ` Diez B. Roggisch
2007-10-09 12:50   ` Matthias Blume
2007-10-09 13:50   ` josephoswald+gg@gmail.com
2007-10-09 19:20   ` gnuist006
     [not found]   ` <m2641g1mgn.fsf@my.address.elsewhere>
2007-10-09 19:37     ` gnuist006
2007-10-09 20:41       ` Chung-chieh Shan
2007-10-10  0:47       ` Matthias Blume
     [not found]       ` <ok5tt4-2ij.ln1@mantle.rutgers.edu>
2007-10-10  4:52         ` Marlene Miller
     [not found]   ` <1191957606.187050.272820@v3g2000hsg.googlegroups.com>
2007-10-09 20:32     ` .
2007-10-09 18:18 ` George Neuner
     [not found] ` <m5ang3h11oorvsrkit4q1moi6mirofbdbr@4ax.com>
2007-10-09 19:24   ` gnuist006
2007-10-09 19:27 ` Jeff M.
2007-10-10  4:39 ` Marlene Miller
     [not found] ` <8IYOi.658994$p47.379449@bgtnsc04-news.ops.worldnet.att.net>
2007-10-10  4:46   ` Marlene Miller
2007-10-10  7:11 ` Dmitri Minaev
2007-10-10 10:49 ` David Kastrup
     [not found] ` <85zlyrutux.fsf@lola.goethe.zz>
2007-10-11  7:18   ` George Neuner
     [not found]   ` <rqhrg3d2thcqaip790k1eb6t8cdk2g8d8v@4ax.com>
2007-10-12 19:17     ` David Kastrup
     [not found]     ` <85lka8p2h4.fsf@lola.goethe.zz>
2007-10-13  3:11       ` Rob Warnock
2007-10-13  3:13       ` Paul Rubin
     [not found] ` <1191931524.047907.98040@v3g2000hsg.googlegroups.com>
2007-10-13 23:14   ` Alex Martelli
2007-10-09  5:15 gnuist006

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