I'll take a look, thanks. On Thursday, October 29, 2015 at 10:52:08 AM UTC-5, Marian Schubert wrote: > > Awesome! > > I did try it on our project and it failed at one location with: > CompilerException java.lang.UnsupportedOperationException: Can only recur > from tail position > > Minimal example which still fails (alts! + case + recur combination) is: > > (defn this-fails-to-compile [x] > (go > (loop [] > (let [_ (async/alts! [,,,])] > (case :whatever > :something > (recur)))))) > > I guess this should work(?) Should I report it somewhere? > > Thanks, > Marian > > On Wednesday, October 28, 2015 at 10:06:41 PM UTC+1, Alex Miller wrote: >> >> I am happy to announce a long-overdue core.async release. >> >> Dependency info: [org.clojure/core.async "0.2.371"] >> >> There are a few new features in this release: >> >> 1) *promise-chan* is a function that returns a new kind of channel (with >> a custom buffer) with promise semantics. Specifically, channels make a >> one-time transition to having a deliverable value. *promise-chan* takes >> an optional transducer, and an optional exception-handler (like chan). A >> promise channel can take exactly one value that consumers will receive. >> Once full, puts complete but val is dropped (no transfer). >> Consumers will block until either a value is placed in the channel or the >> channel is closed (and nil will be delivered). >> >> 2) *offer!* and *poll!* are two new non-blocking functions available on >> channels. >> >> offer! puts a val into a channel if it can do so immediately and will >> never block. Returns true if offer succeeds. >> poll! takes a val from a channel if it can do so immediately and will >> never block. Return a value if successful, nil otherwise. >> >> All changes: >> >> - ASYNC-103 <http://dev.clojure.org/jira/browse/ASYNC-103> - NEW >> promise-chan >> - ASYNC-104 <http://dev.clojure.org/jira/browse/ASYNC-104> - NEW >> non-blocking offer!, poll! >> - ASYNC-124 <http://dev.clojure.org/jira/browse/ASYNC-124> - dispatch >> multiple pending takers resulting from expanding transducer >> - ASYNC-101 <http://dev.clojure.org/jira/browse/ASYNC-101> - >> async/reduce now respects reduced >> - ASYNC-112 <http://dev.clojure.org/jira/browse/ASYNC-112> - replace >> "transformer" with "transducer" in deprecation messages >> - ASYNC-6 <http://dev.clojure.org/jira/browse/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) - >> fixes various analyzer errors >> >> >>
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