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@rs By the way, you can just require core.async exactly the same way you would do so in Clojure. An example in lumo is:

(require '[clojure.core.async :refer [go >!] :as a])
(I also tried to repro what you describe above, and was unable to do so, at least in the lumo REPL; perhaps compilation via build differs, but if it did, that would be a defect.)


hey @mfikes I tried using built-in core.async but get this error after typing exactly what you put there:


No such namespace: cljs.core.async, could not locate cljs/core/async.cljs, cljs/core/async.cljc, or JavaScript source providing "cljs.core.async"


I thought this was because self-hosted cljs didn't have core.async hence the need for


@rs Oh, I didn't mean to imply that there is a built-in core.async. You need to use Andare. What I was referring to is that you can use clojure.core.async as the namespace and you don't need to treat macros specially. See


ahhhh I see now, apologies! I didn't spot the difference in namespace name


I'll give that a go, one less line too 👍


Another question (I'll try and limit myself to one a day simple_smile): has anyone had any success pulling in clojurescript libs from clojars while building with Lumo, without needing the JVM? I have been trying calvin ( to do this but it seems a bit flakey, for example it fails to pull reagent 0.8.1 but succeeds with reagent 0.6.0-alpha2. I'm digging into why now