Ouups.. COrrect please Le mardi 7 août 2012 17:33:33 UTC+2, Pierre-Henry Perret a écrit : > > Operators with appending ! are noted as special > ________________________ > clojure.core=> (doc set!) > ------------------------- > set! > (set! var-symbol expr) > (set! (. instance-expr instanceFieldName-symbol) expr) > (set! (. Classname-symbol staticFieldName-symbol) expr) > Special Form > Used to set thread-local-bound vars, Java object instance > fields, and Java class static fields. > > Please see http://clojure.org/vars#set > nil > clojure.core=> > ______________________________ > > You would write : > > (def !eb (atom ())) > > (defn ^:export main! [ ] > (let [eb (vertx.EventBus.)] > (reset! !eb eb) > @!eb)) > Notice I have renamed *main *to *main! *which signals his particular role > > Le mardi 7 août 2012 02:00:52 UTC+2, Paweł Gdula a écrit : >> >> I have code like >> >> (defn ^:export main[] >> (let [eb (vertx.EventBus.)] >> (set! (.onopen eb) #()) >> eb)) >> >> unfortunately it end up with compilation error: >> >> >> Assert failed: set! target must be a field or a symbol naming a var >> targetexpr >> >> Whats the problem? I am using lein (1.7.1) + lein-cljsbuild (0.2.5). >> >>
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