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wrote take-drop-send function to pop n items off an agent-state

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Richard Harrington 2013-08-17 14:56:20 -04:00
parent 61a3eed9d6
commit 295a8fc007
1 changed files with 11 additions and 0 deletions
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src/robotwar/handler.clj
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@ -7,6 +7,17 @@
[robotwar.test-programs :as test-programs]
[robotwar.core :as core]))
(defn take-drop-send
"takes a collection agent and a number n,
returns a collection of the first n items and
drops those items from the agent's state.
TODO: find a built-in way to do this.
There must be one."
[a n]
(let [coll @a]
(send a (constantly (drop n coll)))
(take n coll)))
(defroutes app-routes
(GET "/" [] "Hello World, Welcome to Robotwar.")
(GET "/json-test" [] (response/response {:foo 6 :bar 8}))