core.async

A Clojure library providing facilities for async programming and communication.

Releases and Dependency Information

Latest release: 0.4.500

All Released Versions

deps.edn dependency information:

  org.clojure/core.async {:mvn/version "0.4.500"}

Leiningen dependency information:

 [org.clojure/core.async "0.4.500"]

Maven dependency information:

<dependency>
  <groupId>org.clojure</groupId>
  <artifactId>core.async</artifactId>
  <version>0.4.500</version>
</dependency>

Documentation

Presentations

Rich Hickey on core.async
Tim Baldridge on core.async from Clojure/conj 2013 (code).
Tim Baldridge on go macro internals - part 1 part 2

Contributing

Contributing to Clojure projects requires a signed Contributor Agreement. Pull requests and GitHub issues are not accepted; please use the core.async JIRA project to report problems or enhancements.

To run the ClojureScript tests:

lein cljsbuild once
open script/runtests.html
View JavaScript console for test results

License

Distributed under the Eclipse Public License, the same as Clojure.

Changelog

Release 0.4.500 on 2019.06.11
- ASYNC-227 cljs alts! isn't non-deterministic
- ASYNC-224 Fix bad putter unwrapping in channel abort
- ASYNC-226 Fix bad cljs test code
Release 0.4.490 on 2018.11.19
- ASYNC-216 Delay start of timeout thread
- ASYNC-218 Fix docstring for put!
- ASYNC-213 Small addition to promise-chan docstring
Release 0.4.474 on 2018.01.08
- Fix typo in error message
- Remove Java code, depend on Java 1.7+
- Add deps.edn, can now be used as a git dependency
Release 0.3.465 on 2017.11.17
- ASYNC-119 Move macros to cljs.core.async ns (CLJS)
- ASYNC-201 Out-of-bounds index values passed in timers (CLJS)
Release 0.3.443 on 2017.05.26
- ASYNC-159 - promise-chan in ClojureScript is broken
Release 0.3.442 on 2017.03.14
- Fix bad :refer-clojure clause that violates new spec in Clojure 1.9.0-alpha15
Release 0.3.441 on 2017.02.23
- ASYNC-187 - Tag metadata is lost in local closed over by a loop
  - Related: ASYNC-188
- ASYNC-185 - thread prevents clearing of body locals
- ASYNC-186 - NPE when go closes over a local variable bound to nil
Release 0.3.426 on 2017.02.22
- ASYNC-169 - handling of catch and finally inside go blocks was broken, causing a number of issues. Related: ASYNC-100, ASYNC-173, ASYNC-180, ASYNC-179, ASYNC-122, ASYNC-78, ASYNC-168
- ASYNC-138 - go blocks do not allow closed over locals to be cleared which can lead to a memory leak. Related: ASYNC-32
- ASYNC-155 - preserve loop binding metadata when inside a go block
- ASYNC-54 - fix bad type hint on MAX-QUEUE-SIZE
- ASYNC-177 - fix typo in Buffer protocol full? method
- ASYNC-70 - docstring change in thread, thread-call
- ASYNC-143 - assert that fixed buffers must have size > 0
- Update tools.analyzer.jvm dependency
Release 0.2.395 on 2016.10.12
- Add async version of transduce
Release 0.2.391 on 2016.09.09
- Fix redefinition warning for bounded-count (added in Clojure 1.9)
- Add :deprecated meta to the deprecated functions
Release 0.2.385 on 2016.06.17
- Updated tools.analyzer.jvm version
Release 0.2.382 on 2016.06.13
- Important: Change default dispatch thread pool size to 8.
- Add Java system property clojure.core.async.pool-size to set the dispatch thread pool size
- ASYNC-152 - disable t.a.jvm's warn-on-reflection pass
Release 0.2.374 on 2015.11.11
- ASYNC-149 - fix error compiling recur inside case in a go block
- Updated tools.analyzer.jvm version (and other upstream deps)
- Updated to latest clojurescript and cljsbuild versions
Release 0.2.371 on 2015.10.28
- ASYNC-124 - dispatch multiple pending takers from expanding transducer
- ASYNC-103 - NEW promise-chan
- ASYNC-104 - NEW non-blocking offer!, poll!
- ASYNC-101 - async/reduce now respects reduced
- ASYNC-112 - replace "transformer" with "transducer" in deprecation messages
- ASYNC-6 - alts! docs updated to explicitly state ports is a vector
- Support (try (catch :default)) in CLJS exception handling
- Use cljs.test
- Updated tools.analyzer.jvm version (and other upstream deps)
Release 0.1.346.0-17112a-alpha on 2014.09.22
- cljs nextTick relies on goog.async.nextTick
- Updated docstring for put! re result on closed channel
Release 0.1.338.0-5c5012-alpha on 2014.08.19
- Add cljs transducers support
Release 0.1.319.0-6b1aca-alpha on 2014.08.06
- Add transducers support
- NEW pipeline
Release 0.1.303.0-886421-alpha on 2014.05.08
Release 0.1.301.0-deb34a-alpha on 2014.04.29
Release 0.1.298.0-2a82a1-alpha on 2014.04.25
Release 0.1.278.0-76b25b-alpha on 2014.02.07
Release 0.1.267.0-0d7780-alpha on 2013.12.11
Release 0.1.262.0-151b23-alpha on 2013.12.10
Release 0.1.256.0-1bf8cf-alpha on 2013.11.07
Release 0.1.242.0-44b1e3-alpha on 2013.09.27
Release 0.1.222.0-83d0c2-alpha on 2013.09.12