From 25403eb169875b42d3162d0e94523853d757468f Mon Sep 17 00:00:00 2001 From: Christopher Allan Webber Date: Sat, 7 Jan 2017 18:18:37 -0600 Subject: [PATCH] NEWS: Updating news for v0.4.0. * NEWS: New 8sync 0.4 section. --- NEWS | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/NEWS b/NEWS index 093d32a..aa192de 100644 --- a/NEWS +++ b/NEWS @@ -8,6 +8,66 @@ : permitted in any medium without royalty provided the copyright notice : and this notice are preserved. +* 8sync 0.4 +** Actors are now "center stage" + +You can now import a toplevel (8sync) module, and this module includes +the full actor model system. The actor model is now *the* way to +handle concurrent synchronization in 8sync. So, 8sync is officially +less about its event loop, and more about the actor model. (It is +even possible that in the future, 8sync's actor model will be able to +run on another event loop.) + +** New 8sync tutorial + +The manual as been expanded with a full tutorial, walking from +extending an existing actor by writing an irc bot, to writing your own +basic actors, to writing network actors. + +** Better error propagation + +When actors wait on other procedures, the "wait" handling code happens +within the actor's message handler, rather than skipping execution +from the outside. This means it's possible to catch a general purpose +error named 'hive-unresumable-coroutine within the message handler +itself. + +(The name of the symbol in the thrown exception may change in a future +release.) + +** IRC bot is now an actor + +The irc bot code officially has become actor'ified, under the + class. + +** REPL handling via an actor + +The cooperative REPL code now also is handled via an actor. See +. + +** Major simplifications/cleanup of the agenda + +The agenda is significantly less bloated than it was; with actors +taking center stage, many previous (and somewhat wonkily written) +chunks of code have been removed or simplified. + +** "from" actor is now implicit in sending a message in <-foo procedures + +For the various <- style procedures, the actor is now explicitly +gathered from a parameter managed via the Hive. + +** New procedures: <-*, <-reply* + +<-* and <-reply* have been added, which like <-wait* and <-reply-wait* +are like their non-starred equivalents, except they can take some +additional options. + +** New implicit '*init* and '*cleanup* action handlers. + +There are now action handlers for '*init* and '*cleanup* which are +automatically invoked on actor initialization and destruction. + + * 8sync 0.3 ** 8sync now targets Guile 2.2, Guile 2.0 dropped -- 2.31.1