On Dec 28, 2008, at 9:58 AM, Mark Volkmann wrote:
Are you sure the code below works? It doesn't work for me with the revision 1185. For me it outputs: #<Agent clojure.lang.ag...@355a47> 0 and stops.
A change to Clojure's behavior at r1158 caused my incorrect (or at least iffy) code break instead of working. I'm guessing that when I posted I hadn't yet updated past r1158 on that computer. Here's the session showing how I confirmed what you were seeing and found and fixed the problem. It includes corrected code and shows it working with r1185.
--Steve Clojure 1:1 user=> (def my-agent (agent 0)) #'user/my-agent 1:2 user=> (defn update [old-state] (prn old-state) (.sleep Thread 1000) (send-off *agent* update) (inc old-state)) #'user/update 1:4 user=> (send-off my-agent update) 0 #<Agent clojure.lang.ag...@75f172aa> 1:5 user=> 1:6 user=> 1:7 user=> 1:8 user=> (send-off my-agent update) java.lang.Exception: Agent has errors (repl-1:8) 1:9 user=> (agent-errors my-agent)(#<IllegalArgumentException java.lang.IllegalArgumentException: No matching method found: sleep for class java.lang.Class>)
1:10 user=> (defn update [old-state] (prn old-state) (Thread/sleep 1000) (send-off *agent* update) (inc old-state)) #'user/update 1:12 user=> (send-off my-agent update) java.lang.Exception: Agent has errors (repl-1:12) 1:13 user=> (clear-agent-errors my-agent) nil 1:14 user=> (send-off my-agent update) #<Agent clojure.lang.ag...@75f172aa> 1:15 user=> 0 1 2 3 4 5
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