Path: csiph.com!weretis.net!feeder8.news.weretis.net!reader5.news.weretis.net!news.solani.org!.POSTED!not-for-mail
From: Mild Shock <janburse@fastmail.fm>
Newsgroups: comp.lang.python
Subject: ANN: Dogelog Player 2.3.1 (Task Channels)
Date: Thu, 17 Sep 2026 23:53:38 +0200
Message-ID: <118hnh2$et22$3@solani.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Thu, 17 Sep 2026 21:53:38 -0000 (UTC)
Injection-Info: solani.org; logging-data="488514"; mail-complaints-to="abuse@news.solani.org"
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0 SeaMonkey/2.53.24
Cancel-Lock: sha1:Rlh4PB6h8MI1hetfNP4fRljQ9Fs=
X-User-ID: eJwFwYEBwCAIA7CXCoXKzlHQ/09YkpSpVygV+fIdxNZDE5ihH/fF7/b4FGI4bnd8G09np0B1HQ6kMqBr/VC5FQY=
X-Mozilla-News-Host: news://news.solani.org:119
Xref: csiph.com comp.lang.python:198015

Dear All,

We are happy to announce a new
  edition of the Dogelog Player:

- Enhanced catch/3:
We noticed that catch/3 causes a friction in
'$YIELD'/1. So we redesigned its implementation
by refraining from using the host programming
language stack. The engine now offers an exception
handler stack, and the Prolog interpreter trampolin
unwinds these exception handlers upon a
Prolog or host error.

- New call_cleanup/3:
The new predicate call_cleanup/3 supplants the
old predicate once_cleanup/3. Like catch/3 it
now features an implementation that refrains
from using the host programming language stack.
Its implementation makes use of a rogue '$CUT'/1
which is realized by choicepoint scanning
and continuation manipulation.

- Task Channels:
To lower the footprint of the core there are
new libraries library(timer) and library(tasks).
The later library offers a new predicate task_join/1
which is abortable. Further the library offers
predicates chan/1, recv/2 and send/2 to deal with
channels that live in the cooperative
multitasking realm.

Have Fun!

Jan Burse, September 17, 2026, https://www.herbrand.ai/